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Code Issues Releases Wiki Activity

Reformat code project-wide (getting rid of tabs)

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This commit is contained in:
Fredrik Fornwall 2016-06-28 01:03:03 +02:00
parent d72fd579ee
commit 2db6923bc4
28 changed files with 6000 additions and 5748 deletions
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231
.idea/codeStyleSettings.xml Normal file
View File

@ -0,0 +1,231 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectCodeStyleSettingsManager">
<option name="PER_PROJECT_SETTINGS">
<value>
<option name="CLASS_COUNT_TO_USE_IMPORT_ON_DEMAND" value="99" />
<option name="NAMES_COUNT_TO_USE_IMPORT_ON_DEMAND" value="99" />
<option name="PACKAGES_TO_USE_IMPORT_ON_DEMAND">
<value />
</option>
<option name="IMPORT_LAYOUT_TABLE">
<value>
<package name="android" withSubpackages="true" static="false" />
<emptyLine />
<package name="com" withSubpackages="true" static="false" />
<emptyLine />
<package name="junit" withSubpackages="true" static="false" />
<emptyLine />
<package name="net" withSubpackages="true" static="false" />
<emptyLine />
<package name="org" withSubpackages="true" static="false" />
<emptyLine />
<package name="java" withSubpackages="true" static="false" />
<emptyLine />
<package name="javax" withSubpackages="true" static="false" />
<emptyLine />
<package name="" withSubpackages="true" static="false" />
<emptyLine />
<package name="" withSubpackages="true" static="true" />
<emptyLine />
</value>
</option>
<option name="RIGHT_MARGIN" value="100" />
<AndroidXmlCodeStyleSettings>
<option name="USE_CUSTOM_SETTINGS" value="true" />
</AndroidXmlCodeStyleSettings>
<Objective-C-extensions>
<option name="GENERATE_INSTANCE_VARIABLES_FOR_PROPERTIES" value="ASK" />
<option name="RELEASE_STYLE" value="IVAR" />
<option name="TYPE_QUALIFIERS_PLACEMENT" value="BEFORE" />
<file>
<option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Import" />
<option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Macro" />
<option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Typedef" />
<option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Enum" />
<option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Constant" />
<option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Global" />
<option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Struct" />
<option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="FunctionPredecl" />
<option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Function" />
</file>
<class>
<option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Property" />
<option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Synthesize" />
<option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="InitMethod" />
<option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="StaticMethod" />
<option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="InstanceMethod" />
<option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="DeallocMethod" />
</class>
<extensions>
<pair source="cpp" header="h" />
<pair source="c" header="h" />
</extensions>
</Objective-C-extensions>
<XML>
<option name="XML_KEEP_LINE_BREAKS" value="false" />
<option name="XML_ALIGN_ATTRIBUTES" value="false" />
<option name="XML_SPACE_INSIDE_EMPTY_TAG" value="true" />
</XML>
<codeStyleSettings language="XML">
<option name="FORCE_REARRANGE_MODE" value="1" />
<indentOptions>
<option name="CONTINUATION_INDENT_SIZE" value="4" />
</indentOptions>
<arrangement>
<rules>
<section>
<rule>
<match>
<AND>
<NAME>xmlns:android</NAME>
<XML_NAMESPACE>^$</XML_NAMESPACE>
</AND>
</match>
</rule>
</section>
<section>
<rule>
<match>
<AND>
<NAME>xmlns:.*</NAME>
<XML_NAMESPACE>^$</XML_NAMESPACE>
</AND>
</match>
<order>BY_NAME</order>
</rule>
</section>
<section>
<rule>
<match>
<AND>
<NAME>.*:id</NAME>
<XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
</AND>
</match>
</rule>
</section>
<section>
<rule>
<match>
<AND>
<NAME>.*:name</NAME>
<XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
</AND>
</match>
</rule>
</section>
<section>
<rule>
<match>
<AND>
<NAME>name</NAME>
<XML_NAMESPACE>^$</XML_NAMESPACE>
</AND>
</match>
</rule>
</section>
<section>
<rule>
<match>
<AND>
<NAME>style</NAME>
<XML_NAMESPACE>^$</XML_NAMESPACE>
</AND>
</match>
</rule>
</section>
<section>
<rule>
<match>
<AND>
<NAME>.*</NAME>
<XML_NAMESPACE>^$</XML_NAMESPACE>
</AND>
</match>
<order>BY_NAME</order>
</rule>
</section>
<section>
<rule>
<match>
<AND>
<NAME>.*:layout_width</NAME>
<XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
</AND>
</match>
</rule>
</section>
<section>
<rule>
<match>
<AND>
<NAME>.*:layout_height</NAME>
<XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
</AND>
</match>
</rule>
</section>
<section>
<rule>
<match>
<AND>
<NAME>.*:layout_.*</NAME>
<XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
</AND>
</match>
<order>BY_NAME</order>
</rule>
</section>
<section>
<rule>
<match>
<AND>
<NAME>.*:width</NAME>
<XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
</AND>
</match>
<order>BY_NAME</order>
</rule>
</section>
<section>
<rule>
<match>
<AND>
<NAME>.*:height</NAME>
<XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
</AND>
</match>
<order>BY_NAME</order>
</rule>
</section>
<section>
<rule>
<match>
<AND>
<NAME>.*</NAME>
<XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
</AND>
</match>
<order>BY_NAME</order>
</rule>
</section>
<section>
<rule>
<match>
<AND>
<NAME>.*</NAME>
<XML_NAMESPACE>.*</XML_NAMESPACE>
</AND>
</match>
<order>BY_NAME</order>
</rule>
</section>
</rules>
</arrangement>
</codeStyleSettings>
</value>
</option>
<option name="PREFERRED_PROJECT_CODE_STYLE" value="Default (1)" />
</component>
</project>

48
app/src/main/java/com/termux/app/BackgroundJob.java
View File

@ -21,7 +21,7 @@ public final class BackgroundJob {
public BackgroundJob(File cwd, File fileToExecute, String[] args) throws IOException {
String[] env = buildEnvironment(false, cwd.getAbsolutePath());
String[] progArray = new String[args.length+1];
String[] progArray = new String[args.length + 1];
mProcess = Runtime.getRuntime().exec(progArray, env, cwd);
@ -81,32 +81,32 @@ public final class BackgroundJob {
}
public String[] buildEnvironment(boolean failSafe, String cwd) {
new File(TermuxService.HOME_PATH).mkdirs();
new File(TermuxService.HOME_PATH).mkdirs();
if (cwd == null) cwd = TermuxService.HOME_PATH;
if (cwd == null) cwd = TermuxService.HOME_PATH;
final String termEnv = "TERM=xterm-256color";
final String homeEnv = "HOME=" + TermuxService.HOME_PATH;
final String prefixEnv = "PREFIX=" + TermuxService.PREFIX_PATH;
final String androidRootEnv = "ANDROID_ROOT=" + System.getenv("ANDROID_ROOT");
final String androidDataEnv = "ANDROID_DATA=" + System.getenv("ANDROID_DATA");
// EXTERNAL_STORAGE is needed for /system/bin/am to work on at least
// Samsung S7 - see https://plus.google.com/110070148244138185604/posts/gp8Lk3aCGp3.
final String externalStorageEnv = "EXTERNAL_STORAGE=" + System.getenv("EXTERNAL_STORAGE");
String[] env;
if (failSafe) {
// Keep the default path so that system binaries can be used in the failsafe session.
final String pathEnv = "PATH=" + System.getenv("PATH");
return new String[] { termEnv, homeEnv, prefixEnv, androidRootEnv, androidDataEnv, pathEnv, externalStorageEnv };
} else {
final String ps1Env = "PS1=$ ";
final String ldEnv = "LD_LIBRARY_PATH=" + TermuxService.PREFIX_PATH + "/lib";
final String langEnv = "LANG=en_US.UTF-8";
final String pathEnv = "PATH=" + TermuxService.PREFIX_PATH + "/bin:" + TermuxService.PREFIX_PATH + "/bin/applets";
final String pwdEnv = "PWD=" + cwd;
final String termEnv = "TERM=xterm-256color";
final String homeEnv = "HOME=" + TermuxService.HOME_PATH;
final String prefixEnv = "PREFIX=" + TermuxService.PREFIX_PATH;
final String androidRootEnv = "ANDROID_ROOT=" + System.getenv("ANDROID_ROOT");
final String androidDataEnv = "ANDROID_DATA=" + System.getenv("ANDROID_DATA");
// EXTERNAL_STORAGE is needed for /system/bin/am to work on at least
// Samsung S7 - see https://plus.google.com/110070148244138185604/posts/gp8Lk3aCGp3.
final String externalStorageEnv = "EXTERNAL_STORAGE=" + System.getenv("EXTERNAL_STORAGE");
String[] env;
if (failSafe) {
// Keep the default path so that system binaries can be used in the failsafe session.
final String pathEnv = "PATH=" + System.getenv("PATH");
return new String[]{termEnv, homeEnv, prefixEnv, androidRootEnv, androidDataEnv, pathEnv, externalStorageEnv};
} else {
final String ps1Env = "PS1=$ ";
final String ldEnv = "LD_LIBRARY_PATH=" + TermuxService.PREFIX_PATH + "/lib";
final String langEnv = "LANG=en_US.UTF-8";
final String pathEnv = "PATH=" + TermuxService.PREFIX_PATH + "/bin:" + TermuxService.PREFIX_PATH + "/bin/applets";
final String pwdEnv = "PWD=" + cwd;
return new String[] { termEnv, homeEnv, prefixEnv, ps1Env, ldEnv, langEnv, pathEnv, pwdEnv, androidRootEnv, androidDataEnv, externalStorageEnv };
}
return new String[]{termEnv, homeEnv, prefixEnv, ps1Env, ldEnv, langEnv, pathEnv, pwdEnv, androidRootEnv, androidDataEnv, externalStorageEnv};
}
}
}

80
app/src/main/java/com/termux/app/DialogUtils.java
View File

@ -13,52 +13,52 @@ import android.widget.TextView;
public final class DialogUtils {
public interface TextSetListener {
void onTextSet(String text);
}
public interface TextSetListener {
void onTextSet(String text);
}
public static void textInput(Activity activity, int titleText, String initialText,
public static void textInput(Activity activity, int titleText, String initialText,
int positiveButtonText, final TextSetListener onPositive,
int neutralButtonText, final TextSetListener onNeutral,
int negativeButtonText, final TextSetListener onNegative,
final DialogInterface.OnDismissListener onDismiss) {
final EditText input = new EditText(activity);
input.setSingleLine();
if (initialText != null) {
input.setText(initialText);
Selection.setSelection(input.getText(), initialText.length());
}
final EditText input = new EditText(activity);
input.setSingleLine();
if (initialText != null) {
input.setText(initialText);
Selection.setSelection(input.getText(), initialText.length());
}
final AlertDialog[] dialogHolder = new AlertDialog[1];
input.setImeActionLabel(activity.getResources().getString(positiveButtonText), KeyEvent.KEYCODE_ENTER);
input.setOnEditorActionListener(new TextView.OnEditorActionListener() {
@Override
public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
onPositive.onTextSet(input.getText().toString());
dialogHolder[0].dismiss();
return true;
}
});
final AlertDialog[] dialogHolder = new AlertDialog[1];
input.setImeActionLabel(activity.getResources().getString(positiveButtonText), KeyEvent.KEYCODE_ENTER);
input.setOnEditorActionListener(new TextView.OnEditorActionListener() {
@Override
public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
onPositive.onTextSet(input.getText().toString());
dialogHolder[0].dismiss();
return true;
}
});
float dipInPixels = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 1, activity.getResources().getDisplayMetrics());
// https://www.google.com/design/spec/components/dialogs.html#dialogs-specs
int paddingTopAndSides = Math.round(16 * dipInPixels);
int paddingBottom = Math.round(24 * dipInPixels);
float dipInPixels = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 1, activity.getResources().getDisplayMetrics());
// https://www.google.com/design/spec/components/dialogs.html#dialogs-specs
int paddingTopAndSides = Math.round(16 * dipInPixels);
int paddingBottom = Math.round(24 * dipInPixels);
LinearLayout layout = new LinearLayout(activity);
layout.setOrientation(LinearLayout.VERTICAL);
layout.setLayoutParams(new LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT));
layout.setPadding(paddingTopAndSides, paddingTopAndSides, paddingTopAndSides, paddingBottom);
layout.addView(input);
LinearLayout layout = new LinearLayout(activity);
layout.setOrientation(LinearLayout.VERTICAL);
layout.setLayoutParams(new LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT));
layout.setPadding(paddingTopAndSides, paddingTopAndSides, paddingTopAndSides, paddingBottom);
layout.addView(input);
AlertDialog.Builder builder = new AlertDialog.Builder(activity)
.setTitle(titleText).setView(layout)
.setPositiveButton(positiveButtonText, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface d, int whichButton) {
onPositive.onTextSet(input.getText().toString());
}
});
AlertDialog.Builder builder = new AlertDialog.Builder(activity)
.setTitle(titleText).setView(layout)
.setPositiveButton(positiveButtonText, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface d, int whichButton) {
onPositive.onTextSet(input.getText().toString());
}
});
if (onNeutral != null) {
builder.setNeutralButton(neutralButtonText, new DialogInterface.OnClickListener() {
@ -82,9 +82,9 @@ public final class DialogUtils {
if (onDismiss != null) builder.setOnDismissListener(onDismiss);
dialogHolder[0] = builder.create();
dialogHolder[0] = builder.create();
dialogHolder[0].setCanceledOnTouchOutside(false);
dialogHolder[0].show();
}
dialogHolder[0].show();
}
}

31
app/src/main/java/com/termux/app/ExtraKeysView.java
View File

@ -31,14 +31,29 @@ public final class ExtraKeysView extends GridLayout {
int keyCode = 0;
String chars = null;
switch (keyName) {
case "ESC": keyCode = KeyEvent.KEYCODE_ESCAPE; break;
case "TAB": keyCode = KeyEvent.KEYCODE_TAB; break;
case "▲": keyCode = KeyEvent.KEYCODE_DPAD_UP; break;
case "◀": keyCode = KeyEvent.KEYCODE_DPAD_LEFT; break;
case "▶": keyCode = KeyEvent.KEYCODE_DPAD_RIGHT; break;
case "▼": keyCode = KeyEvent.KEYCODE_DPAD_DOWN; break;
case "―": chars = "-"; break;
default: chars = keyName;
case "ESC":
keyCode = KeyEvent.KEYCODE_ESCAPE;
break;
case "TAB":
keyCode = KeyEvent.KEYCODE_TAB;
break;
case "▲":
keyCode = KeyEvent.KEYCODE_DPAD_UP;
break;
case "◀":
keyCode = KeyEvent.KEYCODE_DPAD_LEFT;
break;
case "▶":
keyCode = KeyEvent.KEYCODE_DPAD_RIGHT;
break;
case "▼":
keyCode = KeyEvent.KEYCODE_DPAD_DOWN;
break;
case "―":
chars = "-";
break;
default:
chars = keyName;
}
if (keyCode > 0) {

999
app/src/main/java/com/termux/app/TermuxActivity.java
View File

File diff suppressed because it is too large Load Diff

98
app/src/main/java/com/termux/app/TermuxHelpActivity.java
View File

@ -15,61 +15,61 @@ import android.widget.RelativeLayout;
/** Basic embedded browser for viewing help pages. */
public final class TermuxHelpActivity extends Activity {
private WebView mWebView;
private WebView mWebView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
final RelativeLayout progressLayout = new RelativeLayout(this);
RelativeLayout.LayoutParams lParams = new RelativeLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
lParams.addRule(RelativeLayout.CENTER_IN_PARENT);
ProgressBar progressBar = new ProgressBar(this);
progressBar.setIndeterminate(true);
progressBar.setLayoutParams(lParams);
progressLayout.addView(progressBar);
final RelativeLayout progressLayout = new RelativeLayout(this);
RelativeLayout.LayoutParams lParams = new RelativeLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
lParams.addRule(RelativeLayout.CENTER_IN_PARENT);
ProgressBar progressBar = new ProgressBar(this);
progressBar.setIndeterminate(true);
progressBar.setLayoutParams(lParams);
progressLayout.addView(progressBar);
mWebView = new WebView(this);
WebSettings settings = mWebView.getSettings();
settings.setCacheMode(WebSettings.LOAD_NO_CACHE);
settings.setAppCacheEnabled(false);
setContentView(progressLayout);
mWebView.clearCache(true);
mWebView = new WebView(this);
WebSettings settings = mWebView.getSettings();
settings.setCacheMode(WebSettings.LOAD_NO_CACHE);
settings.setAppCacheEnabled(false);
setContentView(progressLayout);
mWebView.clearCache(true);
mWebView.setWebViewClient(new WebViewClient() {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
if (url.startsWith("https://termux.com")) {
// Inline help.
setContentView(progressLayout);
return false;
}
mWebView.setWebViewClient(new WebViewClient() {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
if (url.startsWith("https://termux.com")) {
// Inline help.
setContentView(progressLayout);
return false;
}
try {
startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(url)).addFlags(Intent.FLAG_ACTIVITY_NEW_TASK));
} catch (ActivityNotFoundException e) {
// Android TV does not have a system browser.
setContentView(progressLayout);
return false;
}
return true;
}
try {
startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(url)).addFlags(Intent.FLAG_ACTIVITY_NEW_TASK));
} catch (ActivityNotFoundException e) {
// Android TV does not have a system browser.
setContentView(progressLayout);
return false;
}
return true;
}
@Override
public void onPageFinished(WebView view, String url) {
setContentView(mWebView);
}
});
mWebView.loadUrl("https://termux.com/help.html");
}
@Override
public void onPageFinished(WebView view, String url) {
setContentView(mWebView);
}
});
mWebView.loadUrl("https://termux.com/help.html");
}
@Override
public void onBackPressed() {
if (mWebView.canGoBack()) {
mWebView.goBack();
} else {
super.onBackPressed();
}
}
@Override
public void onBackPressed() {
if (mWebView.canGoBack()) {
mWebView.goBack();
} else {
super.onBackPressed();
}
}
}

353
app/src/main/java/com/termux/app/TermuxInstaller.java
View File

@ -31,152 +31,155 @@ import java.util.zip.ZipInputStream;
/**
* Install the Termux bootstrap packages if necessary by following the below steps:
*
* <p/>
* (1) If $PREFIX already exist, assume that it is correct and be done. Note that this relies on that we do not create a
* broken $PREFIX folder below.
*
* <p/>
* (2) A progress dialog is shown with "Installing..." message and a spinner.
*
* <p/>
* (3) A staging folder, $STAGING_PREFIX, is {@link #deleteFolder(File)} if left over from broken installation below.
*
* <p/>
* (4) The architecture is determined and an appropriate bootstrap zip url is determined in {@link #determineZipUrl()}.
*
* <p/>
* (5) The zip, containing entries relative to the $PREFIX, is is downloaded and extracted by a zip input stream
* continously encountering zip file entries:
*
* <p/>
* (5.1) If the zip entry encountered is SYMLINKS.txt, go through it and remember all symlinks to setup.
*
* <p/>
* (5.2) For every other zip entry, extract it into $STAGING_PREFIX and set execute permissions if necessary.
*/
final class TermuxInstaller {
/** Performs setup if necessary. */
static void setupIfNeeded(final Activity activity, final Runnable whenDone) {
// Termux can only be run as the primary user (device owner) since only that
// account has the expected file system paths. Verify that:
android.os.UserManager um = (android.os.UserManager) activity.getSystemService(Context.USER_SERVICE);
boolean isPrimaryUser = um.getSerialNumberForUser(android.os.Process.myUserHandle()) == 0;
if (!isPrimaryUser) {
new AlertDialog.Builder(activity).setTitle(R.string.bootstrap_error_title).setMessage(R.string.bootstrap_error_not_primary_user_message)
.setOnDismissListener(new OnDismissListener() {
@Override
public void onDismiss(DialogInterface dialog) {
System.exit(0);
}
}).setPositiveButton(android.R.string.ok, null).show();
return;
}
/** Performs setup if necessary. */
static void setupIfNeeded(final Activity activity, final Runnable whenDone) {
// Termux can only be run as the primary user (device owner) since only that
// account has the expected file system paths. Verify that:
android.os.UserManager um = (android.os.UserManager) activity.getSystemService(Context.USER_SERVICE);
boolean isPrimaryUser = um.getSerialNumberForUser(android.os.Process.myUserHandle()) == 0;
if (!isPrimaryUser) {
new AlertDialog.Builder(activity).setTitle(R.string.bootstrap_error_title).setMessage(R.string.bootstrap_error_not_primary_user_message)
.setOnDismissListener(new OnDismissListener() {
@Override
public void onDismiss(DialogInterface dialog) {
System.exit(0);
}
}).setPositiveButton(android.R.string.ok, null).show();
return;
}
final File PREFIX_FILE = new File(TermuxService.PREFIX_PATH);
if (PREFIX_FILE.isDirectory()) {
whenDone.run();
return;
}
final File PREFIX_FILE = new File(TermuxService.PREFIX_PATH);
if (PREFIX_FILE.isDirectory()) {
whenDone.run();
return;
}
final ProgressDialog progress = ProgressDialog.show(activity, null, activity.getString(R.string.bootstrap_installer_body), true, false);
new Thread() {
@Override
public void run() {
try {
final String STAGING_PREFIX_PATH = TermuxService.FILES_PATH + "/usr-staging";
final File STAGING_PREFIX_FILE = new File(STAGING_PREFIX_PATH);
final ProgressDialog progress = ProgressDialog.show(activity, null, activity.getString(R.string.bootstrap_installer_body), true, false);
new Thread() {
@Override
public void run() {
try {
final String STAGING_PREFIX_PATH = TermuxService.FILES_PATH + "/usr-staging";
final File STAGING_PREFIX_FILE = new File(STAGING_PREFIX_PATH);
if (STAGING_PREFIX_FILE.exists()) {
deleteFolder(STAGING_PREFIX_FILE);
}
if (STAGING_PREFIX_FILE.exists()) {
deleteFolder(STAGING_PREFIX_FILE);
}
final byte[] buffer = new byte[8096];
final List<Pair<String, String>> symlinks = new ArrayList<>(50);
final byte[] buffer = new byte[8096];
final List<Pair<String, String>> symlinks = new ArrayList<>(50);
final URL zipUrl = determineZipUrl();
try (ZipInputStream zipInput = new ZipInputStream(zipUrl.openStream())) {
ZipEntry zipEntry;
while ((zipEntry = zipInput.getNextEntry()) != null) {
if (zipEntry.getName().equals("SYMLINKS.txt")) {
BufferedReader symlinksReader = new BufferedReader(new InputStreamReader(zipInput));
String line;
while ((line = symlinksReader.readLine()) != null) {
String[] parts = line.split("←");
if (parts.length != 2) throw new RuntimeException("Malformed symlink line: " + line);
String oldPath = parts[0];
String newPath = STAGING_PREFIX_PATH + "/" + parts[1];
symlinks.add(Pair.create(oldPath, newPath));
}
} else {
String zipEntryName = zipEntry.getName();
File targetFile = new File(STAGING_PREFIX_PATH, zipEntryName);
if (zipEntry.isDirectory()) {
if (!targetFile.mkdirs()) throw new RuntimeException("Failed to create directory: " + targetFile.getAbsolutePath());
} else {
try (FileOutputStream outStream = new FileOutputStream(targetFile)) {
int readBytes;
while ((readBytes = zipInput.read(buffer)) != -1)
outStream.write(buffer, 0, readBytes);
}
if (zipEntryName.startsWith("bin/") || zipEntryName.startsWith("libexec") || zipEntryName.startsWith("lib/apt/methods")) {
//noinspection OctalInteger
Os.chmod(targetFile.getAbsolutePath(), 0700);
}
}
}
}
}
final URL zipUrl = determineZipUrl();
try (ZipInputStream zipInput = new ZipInputStream(zipUrl.openStream())) {
ZipEntry zipEntry;
while ((zipEntry = zipInput.getNextEntry()) != null) {
if (zipEntry.getName().equals("SYMLINKS.txt")) {
BufferedReader symlinksReader = new BufferedReader(new InputStreamReader(zipInput));
String line;
while ((line = symlinksReader.readLine()) != null) {
String[] parts = line.split("←");
if (parts.length != 2)
throw new RuntimeException("Malformed symlink line: " + line);
String oldPath = parts[0];
String newPath = STAGING_PREFIX_PATH + "/" + parts[1];
symlinks.add(Pair.create(oldPath, newPath));
}
} else {
String zipEntryName = zipEntry.getName();
File targetFile = new File(STAGING_PREFIX_PATH, zipEntryName);
if (zipEntry.isDirectory()) {
if (!targetFile.mkdirs())
throw new RuntimeException("Failed to create directory: " + targetFile.getAbsolutePath());
} else {
try (FileOutputStream outStream = new FileOutputStream(targetFile)) {
int readBytes;
while ((readBytes = zipInput.read(buffer)) != -1)
outStream.write(buffer, 0, readBytes);
}
if (zipEntryName.startsWith("bin/") || zipEntryName.startsWith("libexec") || zipEntryName.startsWith("lib/apt/methods")) {
//noinspection OctalInteger
Os.chmod(targetFile.getAbsolutePath(), 0700);
}
}
}
}
}
if (symlinks.isEmpty()) throw new RuntimeException("No SYMLINKS.txt encountered");
for (Pair<String, String> symlink : symlinks) {
Os.symlink(symlink.first, symlink.second);
}
if (symlinks.isEmpty())
throw new RuntimeException("No SYMLINKS.txt encountered");
for (Pair<String, String> symlink : symlinks) {
Os.symlink(symlink.first, symlink.second);
}
if (!STAGING_PREFIX_FILE.renameTo(PREFIX_FILE)) {
throw new RuntimeException("Unable to rename staging folder");
}
if (!STAGING_PREFIX_FILE.renameTo(PREFIX_FILE)) {
throw new RuntimeException("Unable to rename staging folder");
}
activity.runOnUiThread(new Runnable() {
@Override
public void run() {
whenDone.run();
}
});
} catch (final Exception e) {
Log.e(EmulatorDebug.LOG_TAG, "Bootstrap error", e);
activity.runOnUiThread(new Runnable() {
@Override
public void run() {
try {
new AlertDialog.Builder(activity).setTitle(R.string.bootstrap_error_title).setMessage(R.string.bootstrap_error_body)
.setNegativeButton(R.string.bootstrap_error_abort, new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
activity.finish();
}
}).setPositiveButton(R.string.bootstrap_error_try_again, new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
TermuxInstaller.setupIfNeeded(activity, whenDone);
}
}).show();
} catch (WindowManager.BadTokenException e) {
// Activity already dismissed - ignore.
}
}
});
} finally {
activity.runOnUiThread(new Runnable() {
@Override
public void run() {
try {
progress.dismiss();
} catch (RuntimeException e) {
// Activity already dismissed - ignore.
}
}
});
}
}
}.start();
}
activity.runOnUiThread(new Runnable() {
@Override
public void run() {
whenDone.run();
}
});
} catch (final Exception e) {
Log.e(EmulatorDebug.LOG_TAG, "Bootstrap error", e);
activity.runOnUiThread(new Runnable() {
@Override
public void run() {
try {
new AlertDialog.Builder(activity).setTitle(R.string.bootstrap_error_title).setMessage(R.string.bootstrap_error_body)
.setNegativeButton(R.string.bootstrap_error_abort, new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
activity.finish();
}
}).setPositiveButton(R.string.bootstrap_error_try_again, new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
TermuxInstaller.setupIfNeeded(activity, whenDone);
}
}).show();
} catch (WindowManager.BadTokenException e) {
// Activity already dismissed - ignore.
}
}
});
} finally {
activity.runOnUiThread(new Runnable() {
@Override
public void run() {
try {
progress.dismiss();
} catch (RuntimeException e) {
// Activity already dismissed - ignore.
}
}
});
}
}
}.start();
}
/** Get bootstrap zip url for this systems cpu architecture. */
static URL determineZipUrl() throws MalformedURLException {
@ -201,64 +204,64 @@ final class TermuxInstaller {
return new URL("https://termux.net/bootstrap/bootstrap-" + termuxArch + ".zip");
}
/** Delete a folder and all its content or throw. */
static void deleteFolder(File fileOrDirectory) {
File[] children = fileOrDirectory.listFiles();
if (children != null) {
for (File child : children) {
deleteFolder(child);
}
}
if (!fileOrDirectory.delete()) {
throw new RuntimeException("Unable to delete " + (fileOrDirectory.isDirectory() ? "directory " : "file ") + fileOrDirectory.getAbsolutePath());
}
}
/** Delete a folder and all its content or throw. */
static void deleteFolder(File fileOrDirectory) {
File[] children = fileOrDirectory.listFiles();
if (children != null) {
for (File child : children) {
deleteFolder(child);
}
}
if (!fileOrDirectory.delete()) {
throw new RuntimeException("Unable to delete " + (fileOrDirectory.isDirectory() ? "directory " : "file ") + fileOrDirectory.getAbsolutePath());
}
}
public static void setupStorageSymlinks(final Context context) {
final String LOG_TAG = "termux-storage";
new Thread() {
public void run() {
try {
File storageDir = new File(TermuxService.HOME_PATH, "storage");
public static void setupStorageSymlinks(final Context context) {
final String LOG_TAG = "termux-storage";
new Thread() {
public void run() {
try {
File storageDir = new File(TermuxService.HOME_PATH, "storage");
if (storageDir.exists() && !storageDir.delete()) {
Log.e(LOG_TAG, "Could not delete old $HOME/storage");
return;
}
if (storageDir.exists() && !storageDir.delete()) {
Log.e(LOG_TAG, "Could not delete old $HOME/storage");
return;
}
if (!storageDir.mkdirs()) {
Log.e(LOG_TAG, "Unable to mkdirs() for $HOME/storage");
return;
}
if (!storageDir.mkdirs()) {
Log.e(LOG_TAG, "Unable to mkdirs() for $HOME/storage");
return;
}
File sharedDir = Environment.getExternalStorageDirectory();
Os.symlink(sharedDir.getAbsolutePath(), new File(storageDir, "shared").getAbsolutePath());
File sharedDir = Environment.getExternalStorageDirectory();
Os.symlink(sharedDir.getAbsolutePath(), new File(storageDir, "shared").getAbsolutePath());
File downloadsDir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS);
Os.symlink(downloadsDir.getAbsolutePath(), new File(storageDir, "downloads").getAbsolutePath());
File downloadsDir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS);
Os.symlink(downloadsDir.getAbsolutePath(), new File(storageDir, "downloads").getAbsolutePath());
File dcimDir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM);
Os.symlink(dcimDir.getAbsolutePath(), new File(storageDir, "dcim").getAbsolutePath());
File dcimDir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM);
Os.symlink(dcimDir.getAbsolutePath(), new File(storageDir, "dcim").getAbsolutePath());
File picturesDir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES);
Os.symlink(picturesDir.getAbsolutePath(), new File(storageDir, "pictures").getAbsolutePath());
File picturesDir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES);
Os.symlink(picturesDir.getAbsolutePath(), new File(storageDir, "pictures").getAbsolutePath());
File musicDir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_MUSIC);
Os.symlink(musicDir.getAbsolutePath(), new File(storageDir, "music").getAbsolutePath());
File musicDir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_MUSIC);
Os.symlink(musicDir.getAbsolutePath(), new File(storageDir, "music").getAbsolutePath());
File moviesDir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_MOVIES);
Os.symlink(moviesDir.getAbsolutePath(), new File(storageDir, "movies").getAbsolutePath());
File moviesDir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_MOVIES);
Os.symlink(moviesDir.getAbsolutePath(), new File(storageDir, "movies").getAbsolutePath());
final File[] dirs = context.getExternalFilesDirs(null);
if (dirs != null && dirs.length >= 2) {
final File externalDir = dirs[1];
Os.symlink(externalDir.getAbsolutePath(), new File(storageDir, "external").getAbsolutePath());
}
} catch (Exception e) {
Log.e(LOG_TAG, "Error setting up link", e);
}
}
}.start();
}
final File[] dirs = context.getExternalFilesDirs(null);
if (dirs != null && dirs.length >= 2) {
final File externalDir = dirs[1];
Os.symlink(externalDir.getAbsolutePath(), new File(storageDir, "external").getAbsolutePath());
}
} catch (Exception e) {
Log.e(LOG_TAG, "Error setting up link", e);
}
}
}.start();
}
}

5
app/src/main/java/com/termux/app/TermuxKeyListener.java
View File

@ -111,7 +111,8 @@ public final class TermuxKeyListener implements TerminalKeyListener {
mActivity.changeFontSize(false);
} else if (unicodeChar >= '1' && unicodeChar <= '9') {
int num = unicodeChar - '1';
if (service.getSessions().size() > num) mActivity.switchToSession(service.getSessions().get(num));
if (service.getSessions().size() > num)
mActivity.switchToSession(service.getSessions().get(num));
}
return true;
}
@ -235,7 +236,7 @@ public final class TermuxKeyListener implements TerminalKeyListener {
session.writeCodePoint(altDown, resultingCodePoint);
}
return true;
} else if (ctrlDown) {
} else if (ctrlDown) {
List<TermuxPreferences.KeyboardShortcut> shortcuts = mActivity.mSettings.shortcuts;
if (!shortcuts.isEmpty()) {
for (int i = shortcuts.size() - 1; i >= 0; i--) {

188
app/src/main/java/com/termux/app/TermuxPreferences.java
View File

@ -20,66 +20,67 @@ import java.util.Properties;
final class TermuxPreferences {
@IntDef({BELL_VIBRATE, BELL_BEEP, BELL_IGNORE})
@Retention(RetentionPolicy.SOURCE)
public @interface AsciiBellBehaviour {}
@IntDef({BELL_VIBRATE, BELL_BEEP, BELL_IGNORE})
@Retention(RetentionPolicy.SOURCE)
public @interface AsciiBellBehaviour {
}
static final int BELL_VIBRATE = 1;
static final int BELL_BEEP = 2;
static final int BELL_IGNORE = 3;
static final int BELL_VIBRATE = 1;
static final int BELL_BEEP = 2;
static final int BELL_IGNORE = 3;
private final int MIN_FONTSIZE;
private static final int MAX_FONTSIZE = 256;
private final int MIN_FONTSIZE;
private static final int MAX_FONTSIZE = 256;
private static final String FULLSCREEN_KEY = "fullscreen";
private static final String FULLSCREEN_KEY = "fullscreen";
private static final String SHOW_EXTRA_KEYS_KEY = "show_extra_keys";
private static final String FONTSIZE_KEY = "fontsize";
private static final String CURRENT_SESSION_KEY = "current_session";
private static final String SHOW_WELCOME_DIALOG_KEY = "intro_dialog";
private static final String FONTSIZE_KEY = "fontsize";
private static final String CURRENT_SESSION_KEY = "current_session";
private static final String SHOW_WELCOME_DIALOG_KEY = "intro_dialog";
private boolean mFullScreen;
private int mFontSize;
private boolean mFullScreen;
private int mFontSize;
@AsciiBellBehaviour
int mBellBehaviour = BELL_VIBRATE;
@AsciiBellBehaviour
int mBellBehaviour = BELL_VIBRATE;
boolean mBackIsEscape;
boolean mShowExtraKeys;
TermuxPreferences(Context context) {
reloadFromProperties(context);
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
TermuxPreferences(Context context) {
reloadFromProperties(context);
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
float dipInPixels = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 1, context.getResources().getDisplayMetrics());
float dipInPixels = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 1, context.getResources().getDisplayMetrics());
// This is a bit arbitrary and sub-optimal. We want to give a sensible default for minimum font size
// to prevent invisible text due to zoom be mistake:
MIN_FONTSIZE = (int) (4f * dipInPixels);
// This is a bit arbitrary and sub-optimal. We want to give a sensible default for minimum font size
// to prevent invisible text due to zoom be mistake:
MIN_FONTSIZE = (int) (4f * dipInPixels);
mFullScreen = prefs.getBoolean(FULLSCREEN_KEY, false);
mFullScreen = prefs.getBoolean(FULLSCREEN_KEY, false);
mShowExtraKeys = prefs.getBoolean(SHOW_EXTRA_KEYS_KEY, false);
// http://www.google.com/design/spec/style/typography.html#typography-line-height
int defaultFontSize = Math.round(12 * dipInPixels);
// Make it divisible by 2 since that is the minimal adjustment step:
if (defaultFontSize % 2 == 1) defaultFontSize--;
// http://www.google.com/design/spec/style/typography.html#typography-line-height
int defaultFontSize = Math.round(12 * dipInPixels);
// Make it divisible by 2 since that is the minimal adjustment step:
if (defaultFontSize % 2 == 1) defaultFontSize--;
try {
mFontSize = Integer.parseInt(prefs.getString(FONTSIZE_KEY, Integer.toString(defaultFontSize)));
} catch (NumberFormatException | ClassCastException e) {
mFontSize = defaultFontSize;
}
mFontSize = Math.max(MIN_FONTSIZE, Math.min(mFontSize, MAX_FONTSIZE));
}
try {
mFontSize = Integer.parseInt(prefs.getString(FONTSIZE_KEY, Integer.toString(defaultFontSize)));
} catch (NumberFormatException | ClassCastException e) {
mFontSize = defaultFontSize;
}
mFontSize = Math.max(MIN_FONTSIZE, Math.min(mFontSize, MAX_FONTSIZE));
}
boolean isFullScreen() {
return mFullScreen;
}
boolean isFullScreen() {
return mFullScreen;
}
void setFullScreen(Context context, boolean newValue) {
mFullScreen = newValue;
void setFullScreen(Context context, boolean newValue) {
mFullScreen = newValue;
PreferenceManager.getDefaultSharedPreferences(context).edit().putBoolean(FULLSCREEN_KEY, newValue).apply();
}
}
boolean isShowExtraKeys() {
return mShowExtraKeys;
@ -92,74 +93,75 @@ final class TermuxPreferences {
}
int getFontSize() {
return mFontSize;
}
return mFontSize;
}
void changeFontSize(Context context, boolean increase) {
mFontSize += (increase ? 1 : -1) * 2;
mFontSize = Math.max(MIN_FONTSIZE, Math.min(mFontSize, MAX_FONTSIZE));
void changeFontSize(Context context, boolean increase) {
mFontSize += (increase ? 1 : -1) * 2;
mFontSize = Math.max(MIN_FONTSIZE, Math.min(mFontSize, MAX_FONTSIZE));
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
prefs.edit().putString(FONTSIZE_KEY, Integer.toString(mFontSize)).apply();
}
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
prefs.edit().putString(FONTSIZE_KEY, Integer.toString(mFontSize)).apply();
}
static void storeCurrentSession(Context context, TerminalSession session) {
PreferenceManager.getDefaultSharedPreferences(context).edit().putString(TermuxPreferences.CURRENT_SESSION_KEY, session.mHandle).commit();
}
static void storeCurrentSession(Context context, TerminalSession session) {
PreferenceManager.getDefaultSharedPreferences(context).edit().putString(TermuxPreferences.CURRENT_SESSION_KEY, session.mHandle).commit();
}
static TerminalSession getCurrentSession(TermuxActivity context) {
String sessionHandle = PreferenceManager.getDefaultSharedPreferences(context).getString(TermuxPreferences.CURRENT_SESSION_KEY, "");
for (int i = 0, len = context.mTermService.getSessions().size(); i < len; i++) {
TerminalSession session = context.mTermService.getSessions().get(i);
if (session.mHandle.equals(sessionHandle)) return session;
}
return null;
}
static TerminalSession getCurrentSession(TermuxActivity context) {
String sessionHandle = PreferenceManager.getDefaultSharedPreferences(context).getString(TermuxPreferences.CURRENT_SESSION_KEY, "");
for (int i = 0, len = context.mTermService.getSessions().size(); i < len; i++) {
TerminalSession session = context.mTermService.getSessions().get(i);
if (session.mHandle.equals(sessionHandle)) return session;
}
return null;
}
public static boolean isShowWelcomeDialog(Context context) {
return PreferenceManager.getDefaultSharedPreferences(context).getBoolean(SHOW_WELCOME_DIALOG_KEY, true);
}
public static boolean isShowWelcomeDialog(Context context) {
return PreferenceManager.getDefaultSharedPreferences(context).getBoolean(SHOW_WELCOME_DIALOG_KEY, true);
}
public static void disableWelcomeDialog(Context context) {
PreferenceManager.getDefaultSharedPreferences(context).edit().putBoolean(SHOW_WELCOME_DIALOG_KEY, false).apply();
}
public static void disableWelcomeDialog(Context context) {
PreferenceManager.getDefaultSharedPreferences(context).edit().putBoolean(SHOW_WELCOME_DIALOG_KEY, false).apply();
}
public void reloadFromProperties(Context context) {
try {
File propsFile = new File(TermuxService.HOME_PATH + "/.termux/termux.properties");
if (!propsFile.exists()) propsFile = new File(TermuxService.HOME_PATH + "/.config/termux/termux.properties");
public void reloadFromProperties(Context context) {
try {
File propsFile = new File(TermuxService.HOME_PATH + "/.termux/termux.properties");
if (!propsFile.exists())
propsFile = new File(TermuxService.HOME_PATH + "/.config/termux/termux.properties");
Properties props = new Properties();
if (propsFile.isFile() && propsFile.canRead()) {
try (FileInputStream in = new FileInputStream(propsFile)) {
props.load(in);
}
}
Properties props = new Properties();
if (propsFile.isFile() && propsFile.canRead()) {
try (FileInputStream in = new FileInputStream(propsFile)) {
props.load(in);
}
}
switch (props.getProperty("bell-character", "vibrate")) {
case "beep":
mBellBehaviour = BELL_BEEP;
break;
case "ignore":
mBellBehaviour = BELL_IGNORE;
break;
default: // "vibrate".
mBellBehaviour = BELL_VIBRATE;
break;
}
switch (props.getProperty("bell-character", "vibrate")) {
case "beep":
mBellBehaviour = BELL_BEEP;
break;
case "ignore":
mBellBehaviour = BELL_IGNORE;
break;
default: // "vibrate".
mBellBehaviour = BELL_VIBRATE;
break;
}
mBackIsEscape = "escape".equals(props.getProperty("back-key", "back"));
mBackIsEscape = "escape".equals(props.getProperty("back-key", "back"));
shortcuts.clear();
parseAction("shortcut.create-session", SHORTCUT_ACTION_CREATE_SESSION, props);
parseAction("shortcut.next-session", SHORTCUT_ACTION_NEXT_SESSION, props);
parseAction("shortcut.previous-session", SHORTCUT_ACTION_PREVIOUS_SESSION, props);
parseAction("shortcut.rename-session", SHORTCUT_ACTION_RENAME_SESSION, props);
} catch (Exception e) {
Toast.makeText(context, "Error loading properties: " + e.getMessage(), Toast.LENGTH_LONG).show();
Log.e("termux", "Error loading props", e);
}
}
} catch (Exception e) {
Toast.makeText(context, "Error loading properties: " + e.getMessage(), Toast.LENGTH_LONG).show();
Log.e("termux", "Error loading props", e);
}
}
public static final int SHORTCUT_ACTION_CREATE_SESSION = 1;
public static final int SHORTCUT_ACTION_NEXT_SESSION = 2;

533
app/src/main/java/com/termux/app/TermuxService.java
View File

@ -1,15 +1,5 @@
package com.termux.app;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import com.termux.R;
import com.termux.terminal.EmulatorDebug;
import com.termux.terminal.TerminalSession;
import com.termux.terminal.TerminalSession.SessionChangedCallback;
import android.annotation.SuppressLint;
import android.app.Notification;
import android.app.NotificationManager;
@ -26,331 +16,342 @@ import android.os.PowerManager;
import android.util.Log;
import android.widget.ArrayAdapter;
import com.termux.R;
import com.termux.terminal.EmulatorDebug;
import com.termux.terminal.TerminalSession;
import com.termux.terminal.TerminalSession.SessionChangedCallback;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
/**
* A service holding a list of terminal sessions, {@link #mTerminalSessions}, showing a foreground notification while
* running so that it is not terminated. The user interacts with the session through {@link TermuxActivity}, but this
* service may outlive the activity when the user or the system disposes of the activity. In that case the user may
* restart {@link TermuxActivity} later to yet again access the sessions.
*
* <p/>
* In order to keep both terminal sessions and spawned processes (who may outlive the terminal sessions) alive as long
* as wanted by the user this service is a foreground service, {@link Service#startForeground(int, Notification)}.
*
* <p/>
* Optionally may hold a wake and a wifi lock, in which case that is shown in the notification - see
* {@link #buildNotification()}.
*/
public final class TermuxService extends Service implements SessionChangedCallback {
/** Note that this is a symlink on the Android M preview. */
@SuppressLint("SdCardPath")
public static final String FILES_PATH = "/data/data/com.termux/files";
public static final String PREFIX_PATH = FILES_PATH + "/usr";
public static final String HOME_PATH = FILES_PATH + "/home";
/** Note that this is a symlink on the Android M preview. */
@SuppressLint("SdCardPath")
public static final String FILES_PATH = "/data/data/com.termux/files";
public static final String PREFIX_PATH = FILES_PATH + "/usr";
public static final String HOME_PATH = FILES_PATH + "/home";
private static final int NOTIFICATION_ID = 1337;
private static final int NOTIFICATION_ID = 1337;
/** Intent action to stop the service. */
private static final String ACTION_STOP_SERVICE = "com.termux.service_stop";
/** Intent action to toggle the wake lock, {@link #mWakeLock}, which this service may hold. */
private static final String ACTION_LOCK_WAKE = "com.termux.service_toggle_wake_lock";
/** Intent action to toggle the wifi lock, {@link #mWifiLock}, which this service may hold. */
private static final String ACTION_LOCK_WIFI = "com.termux.service_toggle_wifi_lock";
/** Intent action to launch a new terminal session. Executed from TermuxWidgetProvider. */
public static final String ACTION_EXECUTE = "com.termux.service_execute";
/** Intent action to stop the service. */
private static final String ACTION_STOP_SERVICE = "com.termux.service_stop";
/** Intent action to toggle the wake lock, {@link #mWakeLock}, which this service may hold. */
private static final String ACTION_LOCK_WAKE = "com.termux.service_toggle_wake_lock";
/** Intent action to toggle the wifi lock, {@link #mWifiLock}, which this service may hold. */
private static final String ACTION_LOCK_WIFI = "com.termux.service_toggle_wifi_lock";
/** Intent action to launch a new terminal session. Executed from TermuxWidgetProvider. */
public static final String ACTION_EXECUTE = "com.termux.service_execute";
public static final String EXTRA_ARGUMENTS = "com.termux.execute.arguments";
public static final String EXTRA_CURRENT_WORKING_DIRECTORY = "com.termux.execute.cwd";
/** This service is only bound from inside the same process and never uses IPC. */
class LocalBinder extends Binder {
public final TermuxService service = TermuxService.this;
}
/** This service is only bound from inside the same process and never uses IPC. */
class LocalBinder extends Binder {
public final TermuxService service = TermuxService.this;
}
private final IBinder mBinder = new LocalBinder();
private final IBinder mBinder = new LocalBinder();
/**
* The terminal sessions which this service manages.
*
* Note that this list is observed by {@link TermuxActivity#mListViewAdapter}, so any changes must be made on the UI
* thread and followed by a call to {@link ArrayAdapter#notifyDataSetChanged()} }.
*/
final List<TerminalSession> mTerminalSessions = new ArrayList<>();
/**
* The terminal sessions which this service manages.
* <p/>
* Note that this list is observed by {@link TermuxActivity#mListViewAdapter}, so any changes must be made on the UI
* thread and followed by a call to {@link ArrayAdapter#notifyDataSetChanged()} }.
*/
final List<TerminalSession> mTerminalSessions = new ArrayList<>();
/** Note that the service may often outlive the activity, so need to clear this reference. */
SessionChangedCallback mSessionChangeCallback;
/** Note that the service may often outlive the activity, so need to clear this reference. */
SessionChangedCallback mSessionChangeCallback;
private PowerManager.WakeLock mWakeLock;
private WifiManager.WifiLock mWifiLock;
private PowerManager.WakeLock mWakeLock;
private WifiManager.WifiLock mWifiLock;
/** If the user has executed the {@link #ACTION_STOP_SERVICE} intent. */
boolean mWantsToStop = false;
/** If the user has executed the {@link #ACTION_STOP_SERVICE} intent. */
boolean mWantsToStop = false;
@SuppressLint("Wakelock")
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
String action = intent.getAction();
if (ACTION_STOP_SERVICE.equals(action)) {
mWantsToStop = true;
for (int i = 0; i < mTerminalSessions.size(); i++)
mTerminalSessions.get(i).finishIfRunning();
stopSelf();
} else if (ACTION_LOCK_WAKE.equals(action)) {
if (mWakeLock == null) {
PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
mWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, EmulatorDebug.LOG_TAG);
mWakeLock.acquire();
} else {
mWakeLock.release();
mWakeLock = null;
}
updateNotification();
} else if (ACTION_LOCK_WIFI.equals(action)) {
if (mWifiLock == null) {
WifiManager wm = (WifiManager) getSystemService(Context.WIFI_SERVICE);
mWifiLock = wm.createWifiLock(WifiManager.WIFI_MODE_FULL_HIGH_PERF, EmulatorDebug.LOG_TAG);
mWifiLock.acquire();
} else {
mWifiLock.release();
mWifiLock = null;
}
updateNotification();
} else if (ACTION_EXECUTE.equals(action)) {
Uri executableUri = intent.getData();
String executablePath = (executableUri == null ? null : executableUri.getPath());
String[] arguments = (executableUri == null ? null : intent.getStringArrayExtra(EXTRA_ARGUMENTS));
String cwd = intent.getStringExtra(EXTRA_CURRENT_WORKING_DIRECTORY);
TerminalSession newSession = createTermSession(executablePath, arguments, cwd, false);
@SuppressLint("Wakelock")
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
String action = intent.getAction();
if (ACTION_STOP_SERVICE.equals(action)) {
mWantsToStop = true;
for (int i = 0; i < mTerminalSessions.size(); i++)
mTerminalSessions.get(i).finishIfRunning();
stopSelf();
} else if (ACTION_LOCK_WAKE.equals(action)) {
if (mWakeLock == null) {
PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
mWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, EmulatorDebug.LOG_TAG);
mWakeLock.acquire();
} else {
mWakeLock.release();
mWakeLock = null;
}
updateNotification();
} else if (ACTION_LOCK_WIFI.equals(action)) {
if (mWifiLock == null) {
WifiManager wm = (WifiManager) getSystemService(Context.WIFI_SERVICE);
mWifiLock = wm.createWifiLock(WifiManager.WIFI_MODE_FULL_HIGH_PERF, EmulatorDebug.LOG_TAG);
mWifiLock.acquire();
} else {
mWifiLock.release();
mWifiLock = null;
}
updateNotification();
} else if (ACTION_EXECUTE.equals(action)) {
Uri executableUri = intent.getData();
String executablePath = (executableUri == null ? null : executableUri.getPath());
String[] arguments = (executableUri == null ? null : intent.getStringArrayExtra(EXTRA_ARGUMENTS));
String cwd = intent.getStringExtra(EXTRA_CURRENT_WORKING_DIRECTORY);
TerminalSession newSession = createTermSession(executablePath, arguments, cwd, false);
// Transform executable path to session name, e.g. "/bin/do-something.sh" => "do something.sh".
if (executablePath != null) {
int lastSlash = executablePath.lastIndexOf('/');
String name = (lastSlash == -1) ? executablePath : executablePath.substring(lastSlash + 1);
name = name.replace('-', ' ');
newSession.mSessionName = name;
}
// Transform executable path to session name, e.g. "/bin/do-something.sh" => "do something.sh".
if (executablePath != null) {
int lastSlash = executablePath.lastIndexOf('/');
String name = (lastSlash == -1) ? executablePath : executablePath.substring(lastSlash + 1);
name = name.replace('-', ' ');
newSession.mSessionName = name;
}
// Make the newly created session the current one to be displayed:
TermuxPreferences.storeCurrentSession(this, newSession);
// Make the newly created session the current one to be displayed:
TermuxPreferences.storeCurrentSession(this, newSession);
// Launch the main Termux app, which will now show to current session:
startActivity(new Intent(this, TermuxActivity.class).addFlags(Intent.FLAG_ACTIVITY_NEW_TASK));
} else if (action != null) {
Log.e(EmulatorDebug.LOG_TAG, "Unknown TermuxService action: '" + action + "'");
}
// Launch the main Termux app, which will now show to current session:
startActivity(new Intent(this, TermuxActivity.class).addFlags(Intent.FLAG_ACTIVITY_NEW_TASK));
} else if (action != null) {
Log.e(EmulatorDebug.LOG_TAG, "Unknown TermuxService action: '" + action + "'");
}
// If this service really do get killed, there is no point restarting it automatically - let the user do on next
// start of {@link Term):
return Service.START_NOT_STICKY;
}
// If this service really do get killed, there is no point restarting it automatically - let the user do on next
// start of {@link Term):
return Service.START_NOT_STICKY;
}
@Override
public IBinder onBind(Intent intent) {
return mBinder;
}
@Override
public IBinder onBind(Intent intent) {
return mBinder;
}
@Override
public void onCreate() {
startForeground(NOTIFICATION_ID, buildNotification());
}
@Override
public void onCreate() {
startForeground(NOTIFICATION_ID, buildNotification());
}
/** Update the shown foreground service notification after making any changes that affect it. */
private void updateNotification() {
if (mWakeLock == null && mWifiLock == null && getSessions().isEmpty()) {
// Exit if we are updating after the user disabled all locks with no sessions.
stopSelf();
} else {
((NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE)).notify(NOTIFICATION_ID, buildNotification());
}
}
/** Update the shown foreground service notification after making any changes that affect it. */
private void updateNotification() {
if (mWakeLock == null && mWifiLock == null && getSessions().isEmpty()) {
// Exit if we are updating after the user disabled all locks with no sessions.
stopSelf();
} else {
((NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE)).notify(NOTIFICATION_ID, buildNotification());
}
}
private Notification buildNotification() {
Intent notifyIntent = new Intent(this, TermuxActivity.class);
// PendingIntent#getActivity(): "Note that the activity will be started outside of the context of an existing
// activity, so you must use the Intent.FLAG_ACTIVITY_NEW_TASK launch flag in the Intent":
notifyIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, notifyIntent, 0);
private Notification buildNotification() {
Intent notifyIntent = new Intent(this, TermuxActivity.class);
// PendingIntent#getActivity(): "Note that the activity will be started outside of the context of an existing
// activity, so you must use the Intent.FLAG_ACTIVITY_NEW_TASK launch flag in the Intent":
notifyIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, notifyIntent, 0);
int sessionCount = mTerminalSessions.size();
String contentText = sessionCount + " terminal session" + (sessionCount == 1 ? "" : "s");
int sessionCount = mTerminalSessions.size();
String contentText = sessionCount + " terminal session" + (sessionCount == 1 ? "" : "s");
boolean wakeLockHeld = mWakeLock != null;
boolean wifiLockHeld = mWifiLock != null;
if (wakeLockHeld && wifiLockHeld) {
contentText += " (wake&wifi lock held)";
} else if (wakeLockHeld) {
contentText += " (wake lock held)";
} else if (wifiLockHeld) {
contentText += " (wifi lock held)";
}
boolean wakeLockHeld = mWakeLock != null;
boolean wifiLockHeld = mWifiLock != null;
if (wakeLockHeld && wifiLockHeld) {
contentText += " (wake&wifi lock held)";
} else if (wakeLockHeld) {
contentText += " (wake lock held)";
} else if (wifiLockHeld) {
contentText += " (wifi lock held)";
}
Notification.Builder builder = new Notification.Builder(this);
builder.setContentTitle(getText(R.string.application_name));
builder.setContentText(contentText);
builder.setSmallIcon(R.drawable.ic_service_notification);
builder.setContentIntent(pendingIntent);
builder.setOngoing(true);
Notification.Builder builder = new Notification.Builder(this);
builder.setContentTitle(getText(R.string.application_name));
builder.setContentText(contentText);
builder.setSmallIcon(R.drawable.ic_service_notification);
builder.setContentIntent(pendingIntent);
builder.setOngoing(true);
// If holding a wake or wifi lock consider the notification of high priority since it's using power,
// otherwise use a minimal priority since this is just a background service notification:
builder.setPriority((wakeLockHeld || wifiLockHeld) ? Notification.PRIORITY_HIGH : Notification.PRIORITY_MIN);
// If holding a wake or wifi lock consider the notification of high priority since it's using power,
// otherwise use a minimal priority since this is just a background service notification:
builder.setPriority((wakeLockHeld || wifiLockHeld) ? Notification.PRIORITY_HIGH : Notification.PRIORITY_MIN);
// No need to show a timestamp:
builder.setShowWhen(false);
// No need to show a timestamp:
builder.setShowWhen(false);
// Background color for small notification icon:
builder.setColor(0xFF000000);
// Background color for small notification icon:
builder.setColor(0xFF000000);
Resources res = getResources();
Intent exitIntent = new Intent(this, TermuxService.class).setAction(ACTION_STOP_SERVICE);
builder.addAction(android.R.drawable.ic_delete, res.getString(R.string.notification_action_exit), PendingIntent.getService(this, 0, exitIntent, 0));
Resources res = getResources();
Intent exitIntent = new Intent(this, TermuxService.class).setAction(ACTION_STOP_SERVICE);
builder.addAction(android.R.drawable.ic_delete, res.getString(R.string.notification_action_exit), PendingIntent.getService(this, 0, exitIntent, 0));
Intent toggleWakeLockIntent = new Intent(this, TermuxService.class).setAction(ACTION_LOCK_WAKE);
builder.addAction(android.R.drawable.ic_lock_lock, res.getString(R.string.notification_action_wakelock),
PendingIntent.getService(this, 0, toggleWakeLockIntent, 0));
Intent toggleWakeLockIntent = new Intent(this, TermuxService.class).setAction(ACTION_LOCK_WAKE);
builder.addAction(android.R.drawable.ic_lock_lock, res.getString(R.string.notification_action_wakelock),
PendingIntent.getService(this, 0, toggleWakeLockIntent, 0));
Intent toggleWifiLockIntent = new Intent(this, TermuxService.class).setAction(ACTION_LOCK_WIFI);
builder.addAction(android.R.drawable.ic_lock_lock, res.getString(R.string.notification_action_wifilock),
PendingIntent.getService(this, 0, toggleWifiLockIntent, 0));
Intent toggleWifiLockIntent = new Intent(this, TermuxService.class).setAction(ACTION_LOCK_WIFI);
builder.addAction(android.R.drawable.ic_lock_lock, res.getString(R.string.notification_action_wifilock),
PendingIntent.getService(this, 0, toggleWifiLockIntent, 0));
return builder.build();
}
return builder.build();
}
@Override
public void onDestroy() {
if (mWakeLock != null) mWakeLock.release();
if (mWifiLock != null) mWifiLock.release();
@Override
public void onDestroy() {
if (mWakeLock != null) mWakeLock.release();
if (mWifiLock != null) mWifiLock.release();
stopForeground(true);
stopForeground(true);
for (int i = 0; i < mTerminalSessions.size(); i++)
mTerminalSessions.get(i).finishIfRunning();
mTerminalSessions.clear();
}
for (int i = 0; i < mTerminalSessions.size(); i++)
mTerminalSessions.get(i).finishIfRunning();
mTerminalSessions.clear();
}
public List<TerminalSession> getSessions() {
return mTerminalSessions;
}
public List<TerminalSession> getSessions() {
return mTerminalSessions;
}
TerminalSession createTermSession(String executablePath, String[] arguments, String cwd, boolean failSafe) {
new File(HOME_PATH).mkdirs();
TerminalSession createTermSession(String executablePath, String[] arguments, String cwd, boolean failSafe) {
new File(HOME_PATH).mkdirs();
if (cwd == null) cwd = HOME_PATH;
if (cwd == null) cwd = HOME_PATH;
final String termEnv = "TERM=xterm-256color";
final String homeEnv = "HOME=" + HOME_PATH;
final String prefixEnv = "PREFIX=" + PREFIX_PATH;
final String androidRootEnv = "ANDROID_ROOT=" + System.getenv("ANDROID_ROOT");
final String androidDataEnv = "ANDROID_DATA=" + System.getenv("ANDROID_DATA");
final String termEnv = "TERM=xterm-256color";
final String homeEnv = "HOME=" + HOME_PATH;
final String prefixEnv = "PREFIX=" + PREFIX_PATH;
final String androidRootEnv = "ANDROID_ROOT=" + System.getenv("ANDROID_ROOT");
final String androidDataEnv = "ANDROID_DATA=" + System.getenv("ANDROID_DATA");
// EXTERNAL_STORAGE is needed for /system/bin/am to work on at least
// Samsung S7 - see https://plus.google.com/110070148244138185604/posts/gp8Lk3aCGp3.
final String externalStorageEnv = "EXTERNAL_STORAGE=" + System.getenv("EXTERNAL_STORAGE");
String[] env;
if (failSafe) {
String[] env;
if (failSafe) {
// Keep the default path so that system binaries can be used in the failsafe session.
final String pathEnv = "PATH=" + System.getenv("PATH");
env = new String[] { termEnv, homeEnv, prefixEnv, androidRootEnv, androidDataEnv, pathEnv, externalStorageEnv };
} else {
final String ps1Env = "PS1=$ ";
final String ldEnv = "LD_LIBRARY_PATH=" + PREFIX_PATH + "/lib";
final String langEnv = "LANG=en_US.UTF-8";
final String pathEnv = "PATH=" + PREFIX_PATH + "/bin:" + PREFIX_PATH + "/bin/applets";
final String pwdEnv = "PWD=" + cwd;
env = new String[]{termEnv, homeEnv, prefixEnv, androidRootEnv, androidDataEnv, pathEnv, externalStorageEnv};
} else {
final String ps1Env = "PS1=$ ";
final String ldEnv = "LD_LIBRARY_PATH=" + PREFIX_PATH + "/lib";
final String langEnv = "LANG=en_US.UTF-8";
final String pathEnv = "PATH=" + PREFIX_PATH + "/bin:" + PREFIX_PATH + "/bin/applets";
final String pwdEnv = "PWD=" + cwd;
env = new String[] { termEnv, homeEnv, prefixEnv, ps1Env, ldEnv, langEnv, pathEnv, pwdEnv, androidRootEnv, androidDataEnv, externalStorageEnv };
}
env = new String[]{termEnv, homeEnv, prefixEnv, ps1Env, ldEnv, langEnv, pathEnv, pwdEnv, androidRootEnv, androidDataEnv, externalStorageEnv};
}
String shellName;
if (executablePath == null) {
File shell = new File(HOME_PATH, ".termux/shell");
if (shell.exists()) {
try {
File canonicalFile = shell.getCanonicalFile();
if (canonicalFile.isFile() && canonicalFile.canExecute()) {
executablePath = canonicalFile.getName().equals("busybox") ? (PREFIX_PATH + "/bin/ash") : canonicalFile.getAbsolutePath();
} else {
Log.w(EmulatorDebug.LOG_TAG, "$HOME/.termux/shell points to non-executable shell: " + canonicalFile.getAbsolutePath());
}
} catch (IOException e) {
Log.e(EmulatorDebug.LOG_TAG, "Error checking $HOME/.termux/shell", e);
}
}
String shellName;
if (executablePath == null) {
File shell = new File(HOME_PATH, ".termux/shell");
if (shell.exists()) {
try {
File canonicalFile = shell.getCanonicalFile();
if (canonicalFile.isFile() && canonicalFile.canExecute()) {
executablePath = canonicalFile.getName().equals("busybox") ? (PREFIX_PATH + "/bin/ash") : canonicalFile.getAbsolutePath();
} else {
Log.w(EmulatorDebug.LOG_TAG, "$HOME/.termux/shell points to non-executable shell: " + canonicalFile.getAbsolutePath());
}
} catch (IOException e) {
Log.e(EmulatorDebug.LOG_TAG, "Error checking $HOME/.termux/shell", e);
}
}
if (executablePath == null) {
// Try bash, zsh and ash in that order:
for (String shellBinary : new String[] { "bash", "zsh", "ash" }) {
File shellFile = new File(PREFIX_PATH + "/bin/" + shellBinary);
if (shellFile.canExecute()) {
executablePath = shellFile.getAbsolutePath();
break;
}
}
}
if (executablePath == null) {
// Try bash, zsh and ash in that order:
for (String shellBinary : new String[]{"bash", "zsh", "ash"}) {
File shellFile = new File(PREFIX_PATH + "/bin/" + shellBinary);
if (shellFile.canExecute()) {
executablePath = shellFile.getAbsolutePath();
break;
}
}
}
if (executablePath == null) {
// Fall back to system shell as last resort:
executablePath = "/system/bin/sh";
}
if (executablePath == null) {
// Fall back to system shell as last resort:
executablePath = "/system/bin/sh";
}
String[] parts = executablePath.split("/");
shellName = "-" + parts[parts.length - 1];
} else {
int lastSlashIndex = executablePath.lastIndexOf('/');
shellName = lastSlashIndex == -1 ? executablePath : executablePath.substring(lastSlashIndex + 1);
}
String[] parts = executablePath.split("/");
shellName = "-" + parts[parts.length - 1];
} else {
int lastSlashIndex = executablePath.lastIndexOf('/');
shellName = lastSlashIndex == -1 ? executablePath : executablePath.substring(lastSlashIndex + 1);
}
String[] args;
if (arguments == null) {
args = new String[] { shellName };
} else {
args = new String[arguments.length + 1];
args[0] = shellName;
String[] args;
if (arguments == null) {
args = new String[]{shellName};
} else {
args = new String[arguments.length + 1];
args[0] = shellName;
System.arraycopy(arguments, 0, args, 1, arguments.length);
}
System.arraycopy(arguments, 0, args, 1, arguments.length);
}
TerminalSession session = new TerminalSession(executablePath, cwd, args, env, this);
mTerminalSessions.add(session);
updateNotification();
return session;
}
TerminalSession session = new TerminalSession(executablePath, cwd, args, env, this);
mTerminalSessions.add(session);
updateNotification();
return session;
}
public int removeTermSession(TerminalSession sessionToRemove) {
int indexOfRemoved = mTerminalSessions.indexOf(sessionToRemove);
mTerminalSessions.remove(indexOfRemoved);
if (mTerminalSessions.isEmpty() && mWakeLock == null) {
// Finish if there are no sessions left and the wake lock is not held, otherwise keep the service alive if
// holding wake lock since there may be daemon processes (e.g. sshd) running.
stopSelf();
} else {
updateNotification();
}
return indexOfRemoved;
}
public int removeTermSession(TerminalSession sessionToRemove) {
int indexOfRemoved = mTerminalSessions.indexOf(sessionToRemove);
mTerminalSessions.remove(indexOfRemoved);
if (mTerminalSessions.isEmpty() && mWakeLock == null) {
// Finish if there are no sessions left and the wake lock is not held, otherwise keep the service alive if
// holding wake lock since there may be daemon processes (e.g. sshd) running.
stopSelf();
} else {
updateNotification();
}
return indexOfRemoved;
}
@Override
public void onTitleChanged(TerminalSession changedSession) {
if (mSessionChangeCallback != null) mSessionChangeCallback.onTitleChanged(changedSession);
}
@Override
public void onTitleChanged(TerminalSession changedSession) {
if (mSessionChangeCallback != null) mSessionChangeCallback.onTitleChanged(changedSession);
}
@Override
public void onSessionFinished(final TerminalSession finishedSession) {
if (mSessionChangeCallback != null) mSessionChangeCallback.onSessionFinished(finishedSession);
}
@Override
public void onSessionFinished(final TerminalSession finishedSession) {
if (mSessionChangeCallback != null)
mSessionChangeCallback.onSessionFinished(finishedSession);
}
@Override
public void onTextChanged(TerminalSession changedSession) {
if (mSessionChangeCallback != null) mSessionChangeCallback.onTextChanged(changedSession);
}
@Override
public void onTextChanged(TerminalSession changedSession) {
if (mSessionChangeCallback != null) mSessionChangeCallback.onTextChanged(changedSession);
}
@Override
public void onClipboardText(TerminalSession session, String text) {
if (mSessionChangeCallback != null) mSessionChangeCallback.onClipboardText(session, text);
}
@Override
public void onClipboardText(TerminalSession session, String text) {
if (mSessionChangeCallback != null) mSessionChangeCallback.onClipboardText(session, text);
}
@Override
public void onBell(TerminalSession session) {
if (mSessionChangeCallback != null) mSessionChangeCallback.onBell(session);
}
@Override
public void onBell(TerminalSession session) {
if (mSessionChangeCallback != null) mSessionChangeCallback.onBell(session);
}
@Override
public void onColorsChanged(TerminalSession session) {

6
app/src/main/java/com/termux/filepicker/TermuxDocumentsProvider.java
View File

@ -23,9 +23,9 @@ import java.util.LinkedList;
/**
* A document provider for the Storage Access Framework which exposes the files in the
* $HOME/ folder to other apps.
* <p>
* <p/>
* Note that this replaces providing an activity matching the ACTION_GET_CONTENT intent:
* <p>
* <p/>
* "A document provider and ACTION_GET_CONTENT should be considered mutually exclusive. If you
* support both of them simultaneously, your app will appear twice in the system picker UI,
* offering two different ways of accessing your stored data. This would be confusing for users."
@ -172,7 +172,7 @@ public class TermuxDocumentsProvider extends DocumentsProvider {
/**
* Get the document id given a file. This document id must be consistent across time as other
* applications may save the ID and use it to reference documents later.
* <p>
* <p/>
* The reverse of @{link #getFileForDocId}.
*/
private static String getDocIdForFile(File file) {

188
app/src/main/java/com/termux/terminal/ByteQueue.java
View File

@ -3,106 +3,106 @@ package com.termux.terminal;
/** A circular byte buffer allowing one producer and one consumer thread. */
final class ByteQueue {
private final byte[] mBuffer;
private int mHead;
private int mStoredBytes;
private boolean mOpen = true;
private final byte[] mBuffer;
private int mHead;
private int mStoredBytes;
private boolean mOpen = true;
public ByteQueue(int size) {
mBuffer = new byte[size];
}
public ByteQueue(int size) {
mBuffer = new byte[size];
}
public synchronized void close() {
mOpen = false;
notify();
}
public synchronized void close() {
mOpen = false;
notify();
}
public synchronized int read(byte[] buffer, boolean block) {
while (mStoredBytes == 0 && mOpen) {
if (block) {
try {
wait();
} catch (InterruptedException e) {
// Ignore.
}
} else {
return 0;
}
}
if (!mOpen) return -1;
public synchronized int read(byte[] buffer, boolean block) {
while (mStoredBytes == 0 && mOpen) {
if (block) {
try {
wait();
} catch (InterruptedException e) {
// Ignore.
}
} else {
return 0;
}
}
if (!mOpen) return -1;
int totalRead = 0;
int bufferLength = mBuffer.length;
boolean wasFull = bufferLength == mStoredBytes;
int length = buffer.length;
int offset = 0;
while (length > 0 && mStoredBytes > 0) {
int oneRun = Math.min(bufferLength - mHead, mStoredBytes);
int bytesToCopy = Math.min(length, oneRun);
System.arraycopy(mBuffer, mHead, buffer, offset, bytesToCopy);
mHead += bytesToCopy;
if (mHead >= bufferLength) mHead = 0;
mStoredBytes -= bytesToCopy;
length -= bytesToCopy;
offset += bytesToCopy;
totalRead += bytesToCopy;
}
if (wasFull) notify();
return totalRead;
}
int totalRead = 0;
int bufferLength = mBuffer.length;
boolean wasFull = bufferLength == mStoredBytes;
int length = buffer.length;
int offset = 0;
while (length > 0 && mStoredBytes > 0) {
int oneRun = Math.min(bufferLength - mHead, mStoredBytes);
int bytesToCopy = Math.min(length, oneRun);
System.arraycopy(mBuffer, mHead, buffer, offset, bytesToCopy);
mHead += bytesToCopy;
if (mHead >= bufferLength) mHead = 0;
mStoredBytes -= bytesToCopy;
length -= bytesToCopy;
offset += bytesToCopy;
totalRead += bytesToCopy;
}
if (wasFull) notify();
return totalRead;
}
/**
* Attempt to write the specified portion of the provided buffer to the queue.
*
* Returns whether the output was totally written, false if it was closed before.
*/
public boolean write(byte[] buffer, int offset, int lengthToWrite) {
if (lengthToWrite + offset > buffer.length) {
throw new IllegalArgumentException("length + offset > buffer.length");
} else if (lengthToWrite <= 0) {
throw new IllegalArgumentException("length <= 0");
}
/**
* Attempt to write the specified portion of the provided buffer to the queue.
* <p/>
* Returns whether the output was totally written, false if it was closed before.
*/
public boolean write(byte[] buffer, int offset, int lengthToWrite) {
if (lengthToWrite + offset > buffer.length) {
throw new IllegalArgumentException("length + offset > buffer.length");
} else if (lengthToWrite <= 0) {
throw new IllegalArgumentException("length <= 0");
}
final int bufferLength = mBuffer.length;
final int bufferLength = mBuffer.length;
synchronized (this) {
while (lengthToWrite > 0) {
while (bufferLength == mStoredBytes && mOpen) {
try {
wait();
} catch (InterruptedException e) {
// Ignore.
}
}
if (!mOpen) return false;
final boolean wasEmpty = mStoredBytes == 0;
int bytesToWriteBeforeWaiting = Math.min(lengthToWrite, bufferLength - mStoredBytes);
lengthToWrite -= bytesToWriteBeforeWaiting;
synchronized (this) {
while (lengthToWrite > 0) {
while (bufferLength == mStoredBytes && mOpen) {
try {
wait();
} catch (InterruptedException e) {
// Ignore.
}
}
if (!mOpen) return false;
final boolean wasEmpty = mStoredBytes == 0;
int bytesToWriteBeforeWaiting = Math.min(lengthToWrite, bufferLength - mStoredBytes);
lengthToWrite -= bytesToWriteBeforeWaiting;
while (bytesToWriteBeforeWaiting > 0) {
int tail = mHead + mStoredBytes;
int oneRun;
if (tail >= bufferLength) {
// Buffer: [.............]
// ________________H_______T
// =>
// Buffer: [.............]
// ___________T____H
// onRun= _____----_
tail = tail - bufferLength;
oneRun = mHead - tail;
} else {
oneRun = bufferLength - tail;
}
int bytesToCopy = Math.min(oneRun, bytesToWriteBeforeWaiting);
System.arraycopy(buffer, offset, mBuffer, tail, bytesToCopy);
offset += bytesToCopy;
bytesToWriteBeforeWaiting -= bytesToCopy;
mStoredBytes += bytesToCopy;
}
if (wasEmpty) notify();
}
}
return true;
}
while (bytesToWriteBeforeWaiting > 0) {
int tail = mHead + mStoredBytes;
int oneRun;
if (tail >= bufferLength) {
// Buffer: [.............]
// ________________H_______T
// =>
// Buffer: [.............]
// ___________T____H
// onRun= _____----_
tail = tail - bufferLength;
oneRun = mHead - tail;
} else {
oneRun = bufferLength - tail;
}
int bytesToCopy = Math.min(oneRun, bytesToWriteBeforeWaiting);
System.arraycopy(buffer, offset, mBuffer, tail, bytesToCopy);
offset += bytesToCopy;
bytesToWriteBeforeWaiting -= bytesToCopy;
mStoredBytes += bytesToCopy;
}
if (wasEmpty) notify();
}
}
return true;
}
}

4
app/src/main/java/com/termux/terminal/EmulatorDebug.java
View File

@ -4,7 +4,7 @@ import android.util.Log;
public final class EmulatorDebug {
/** The tag to use with {@link Log}. */
public static final String LOG_TAG = "termux";
/** The tag to use with {@link Log}. */
public static final String LOG_TAG = "termux";
}

61
app/src/main/java/com/termux/terminal/JNI.java
View File

@ -5,42 +5,37 @@ package com.termux.terminal;
*/
final class JNI {
static {
System.loadLibrary("termux");
}
static {
System.loadLibrary("termux");
}
/**
* Create a subprocess. Differs from {@link ProcessBuilder} in that a pseudoterminal is used to communicate with the
* subprocess.
*
* Callers are responsible for calling {@link #close(int)} on the returned file descriptor.
*
* @param cmd
* The command to execute
* @param cwd
* The current working directory for the executed command
* @param args
* An array of arguments to the command
* @param envVars
* An array of strings of the form "VAR=value" to be added to the environment of the process
* @param processId
* A one-element array to which the process ID of the started process will be written.
* @return the file descriptor resulting from opening /dev/ptmx master device. The sub process will have opened the
* slave device counterpart (/dev/pts/$N) and have it as stdint, stdout and stderr.
*/
public static native int createSubprocess(String cmd, String cwd, String[] args, String[] envVars, int[] processId, int rows, int columns);
/**
* Create a subprocess. Differs from {@link ProcessBuilder} in that a pseudoterminal is used to communicate with the
* subprocess.
* <p/>
* Callers are responsible for calling {@link #close(int)} on the returned file descriptor.
*
* @param cmd The command to execute
* @param cwd The current working directory for the executed command
* @param args An array of arguments to the command
* @param envVars An array of strings of the form "VAR=value" to be added to the environment of the process
* @param processId A one-element array to which the process ID of the started process will be written.
* @return the file descriptor resulting from opening /dev/ptmx master device. The sub process will have opened the
* slave device counterpart (/dev/pts/$N) and have it as stdint, stdout and stderr.
*/
public static native int createSubprocess(String cmd, String cwd, String[] args, String[] envVars, int[] processId, int rows, int columns);
/** Set the window size for a given pty, which allows connected programs to learn how large their screen is. */
public static native void setPtyWindowSize(int fd, int rows, int cols);
/** Set the window size for a given pty, which allows connected programs to learn how large their screen is. */
public static native void setPtyWindowSize(int fd, int rows, int cols);
/**
* Causes the calling thread to wait for the process associated with the receiver to finish executing.
*
* @return if >= 0, the exit status of the process. If < 0, the signal causing the process to stop negated.
*/
public static native int waitFor(int processId);
/**
* Causes the calling thread to wait for the process associated with the receiver to finish executing.
*
* @return if >= 0, the exit status of the process. If < 0, the signal causing the process to stop negated.
*/
public static native int waitFor(int processId);
/** Close a file descriptor through the close(2) system call. */
public static native void close(int fileDescriptor);
/** Close a file descriptor through the close(2) system call. */
public static native void close(int fileDescriptor);
}

471
app/src/main/java/com/termux/terminal/KeyHandler.java
View File

@ -1,5 +1,10 @@
package com.termux.terminal;
import android.view.KeyEvent;
import java.util.HashMap;
import java.util.Map;
import static android.view.KeyEvent.KEYCODE_BREAK;
import static android.view.KeyEvent.KEYCODE_DEL;
import static android.view.KeyEvent.KEYCODE_DPAD_CENTER;
@ -22,6 +27,7 @@ import static android.view.KeyEvent.KEYCODE_F7;
import static android.view.KeyEvent.KEYCODE_F8;
import static android.view.KeyEvent.KEYCODE_F9;
import static android.view.KeyEvent.KEYCODE_FORWARD_DEL;
import static android.view.KeyEvent.KEYCODE_HOME;
import static android.view.KeyEvent.KEYCODE_INSERT;
import static android.view.KeyEvent.KEYCODE_MOVE_END;
import static android.view.KeyEvent.KEYCODE_NUMPAD_0;
@ -47,264 +53,259 @@ import static android.view.KeyEvent.KEYCODE_PAGE_DOWN;
import static android.view.KeyEvent.KEYCODE_PAGE_UP;
import static android.view.KeyEvent.KEYCODE_SYSRQ;
import static android.view.KeyEvent.KEYCODE_TAB;
import static android.view.KeyEvent.KEYCODE_HOME;
import java.util.HashMap;
import java.util.Map;
import android.view.KeyEvent;
public final class KeyHandler {
public static final int KEYMOD_ALT = 0x80000000;
public static final int KEYMOD_CTRL = 0x40000000;
public static final int KEYMOD_SHIFT = 0x20000000;
public static final int KEYMOD_ALT = 0x80000000;
public static final int KEYMOD_CTRL = 0x40000000;
public static final int KEYMOD_SHIFT = 0x20000000;
private static final Map<String, Integer> TERMCAP_TO_KEYCODE = new HashMap<>();
static {
// terminfo: http://pubs.opengroup.org/onlinepubs/7990989799/xcurses/terminfo.html
// termcap: http://man7.org/linux/man-pages/man5/termcap.5.html
TERMCAP_TO_KEYCODE.put("%i", KEYMOD_SHIFT | KEYCODE_DPAD_RIGHT);
TERMCAP_TO_KEYCODE.put("#2", KEYMOD_SHIFT | KEYCODE_HOME); // Shifted home
TERMCAP_TO_KEYCODE.put("#4", KEYMOD_SHIFT | KEYCODE_DPAD_LEFT);
TERMCAP_TO_KEYCODE.put("*7", KEYMOD_SHIFT | KEYCODE_MOVE_END); // Shifted end key
private static final Map<String, Integer> TERMCAP_TO_KEYCODE = new HashMap<>();
TERMCAP_TO_KEYCODE.put("k1", KEYCODE_F1);
TERMCAP_TO_KEYCODE.put("k2", KEYCODE_F2);
TERMCAP_TO_KEYCODE.put("k3", KEYCODE_F3);
TERMCAP_TO_KEYCODE.put("k4", KEYCODE_F4);
TERMCAP_TO_KEYCODE.put("k5", KEYCODE_F5);
TERMCAP_TO_KEYCODE.put("k6", KEYCODE_F6);
TERMCAP_TO_KEYCODE.put("k7", KEYCODE_F7);
TERMCAP_TO_KEYCODE.put("k8", KEYCODE_F8);
TERMCAP_TO_KEYCODE.put("k9", KEYCODE_F9);
TERMCAP_TO_KEYCODE.put("k;", KEYCODE_F10);
TERMCAP_TO_KEYCODE.put("F1", KEYCODE_F11);
TERMCAP_TO_KEYCODE.put("F2", KEYCODE_F12);
TERMCAP_TO_KEYCODE.put("F3", KEYMOD_SHIFT | KEYCODE_F1);
TERMCAP_TO_KEYCODE.put("F4", KEYMOD_SHIFT | KEYCODE_F2);
TERMCAP_TO_KEYCODE.put("F5", KEYMOD_SHIFT | KEYCODE_F3);
TERMCAP_TO_KEYCODE.put("F6", KEYMOD_SHIFT | KEYCODE_F4);
TERMCAP_TO_KEYCODE.put("F7", KEYMOD_SHIFT | KEYCODE_F5);
TERMCAP_TO_KEYCODE.put("F8", KEYMOD_SHIFT | KEYCODE_F6);
TERMCAP_TO_KEYCODE.put("F9", KEYMOD_SHIFT | KEYCODE_F7);
TERMCAP_TO_KEYCODE.put("FA", KEYMOD_SHIFT | KEYCODE_F8);
TERMCAP_TO_KEYCODE.put("FB", KEYMOD_SHIFT | KEYCODE_F9);
TERMCAP_TO_KEYCODE.put("FC", KEYMOD_SHIFT | KEYCODE_F10);
TERMCAP_TO_KEYCODE.put("FD", KEYMOD_SHIFT | KEYCODE_F11);
TERMCAP_TO_KEYCODE.put("FE", KEYMOD_SHIFT | KEYCODE_F12);
static {
// terminfo: http://pubs.opengroup.org/onlinepubs/7990989799/xcurses/terminfo.html
// termcap: http://man7.org/linux/man-pages/man5/termcap.5.html
TERMCAP_TO_KEYCODE.put("%i", KEYMOD_SHIFT | KEYCODE_DPAD_RIGHT);
TERMCAP_TO_KEYCODE.put("#2", KEYMOD_SHIFT | KEYCODE_HOME); // Shifted home
TERMCAP_TO_KEYCODE.put("#4", KEYMOD_SHIFT | KEYCODE_DPAD_LEFT);
TERMCAP_TO_KEYCODE.put("*7", KEYMOD_SHIFT | KEYCODE_MOVE_END); // Shifted end key
TERMCAP_TO_KEYCODE.put("kb", KEYCODE_DEL); // backspace key
TERMCAP_TO_KEYCODE.put("k1", KEYCODE_F1);
TERMCAP_TO_KEYCODE.put("k2", KEYCODE_F2);
TERMCAP_TO_KEYCODE.put("k3", KEYCODE_F3);
TERMCAP_TO_KEYCODE.put("k4", KEYCODE_F4);
TERMCAP_TO_KEYCODE.put("k5", KEYCODE_F5);
TERMCAP_TO_KEYCODE.put("k6", KEYCODE_F6);
TERMCAP_TO_KEYCODE.put("k7", KEYCODE_F7);
TERMCAP_TO_KEYCODE.put("k8", KEYCODE_F8);
TERMCAP_TO_KEYCODE.put("k9", KEYCODE_F9);
TERMCAP_TO_KEYCODE.put("k;", KEYCODE_F10);
TERMCAP_TO_KEYCODE.put("F1", KEYCODE_F11);
TERMCAP_TO_KEYCODE.put("F2", KEYCODE_F12);
TERMCAP_TO_KEYCODE.put("F3", KEYMOD_SHIFT | KEYCODE_F1);
TERMCAP_TO_KEYCODE.put("F4", KEYMOD_SHIFT | KEYCODE_F2);
TERMCAP_TO_KEYCODE.put("F5", KEYMOD_SHIFT | KEYCODE_F3);
TERMCAP_TO_KEYCODE.put("F6", KEYMOD_SHIFT | KEYCODE_F4);
TERMCAP_TO_KEYCODE.put("F7", KEYMOD_SHIFT | KEYCODE_F5);
TERMCAP_TO_KEYCODE.put("F8", KEYMOD_SHIFT | KEYCODE_F6);
TERMCAP_TO_KEYCODE.put("F9", KEYMOD_SHIFT | KEYCODE_F7);
TERMCAP_TO_KEYCODE.put("FA", KEYMOD_SHIFT | KEYCODE_F8);
TERMCAP_TO_KEYCODE.put("FB", KEYMOD_SHIFT | KEYCODE_F9);
TERMCAP_TO_KEYCODE.put("FC", KEYMOD_SHIFT | KEYCODE_F10);
TERMCAP_TO_KEYCODE.put("FD", KEYMOD_SHIFT | KEYCODE_F11);
TERMCAP_TO_KEYCODE.put("FE", KEYMOD_SHIFT | KEYCODE_F12);
TERMCAP_TO_KEYCODE.put("kd", KEYCODE_DPAD_DOWN); // terminfo=kcud1, down-arrow key
TERMCAP_TO_KEYCODE.put("kh", KeyEvent.KEYCODE_HOME);
TERMCAP_TO_KEYCODE.put("kl", KEYCODE_DPAD_LEFT);
TERMCAP_TO_KEYCODE.put("kr", KEYCODE_DPAD_RIGHT);
TERMCAP_TO_KEYCODE.put("kb", KEYCODE_DEL); // backspace key
// K1=Upper left of keypad:
// t_K1 <kHome> keypad home key
// t_K3 <kPageUp> keypad page-up key
// t_K4 <kEnd> keypad end key
// t_K5 <kPageDown> keypad page-down key
TERMCAP_TO_KEYCODE.put("K1", KeyEvent.KEYCODE_HOME);
TERMCAP_TO_KEYCODE.put("K3", KeyEvent.KEYCODE_PAGE_UP);
TERMCAP_TO_KEYCODE.put("K4", KeyEvent.KEYCODE_MOVE_END);
TERMCAP_TO_KEYCODE.put("K5", KeyEvent.KEYCODE_PAGE_DOWN);
TERMCAP_TO_KEYCODE.put("kd", KEYCODE_DPAD_DOWN); // terminfo=kcud1, down-arrow key
TERMCAP_TO_KEYCODE.put("kh", KeyEvent.KEYCODE_HOME);
TERMCAP_TO_KEYCODE.put("kl", KEYCODE_DPAD_LEFT);
TERMCAP_TO_KEYCODE.put("kr", KEYCODE_DPAD_RIGHT);
TERMCAP_TO_KEYCODE.put("ku", KEYCODE_DPAD_UP);
// K1=Upper left of keypad:
// t_K1 <kHome> keypad home key
// t_K3 <kPageUp> keypad page-up key
// t_K4 <kEnd> keypad end key
// t_K5 <kPageDown> keypad page-down key
TERMCAP_TO_KEYCODE.put("K1", KeyEvent.KEYCODE_HOME);
TERMCAP_TO_KEYCODE.put("K3", KeyEvent.KEYCODE_PAGE_UP);
TERMCAP_TO_KEYCODE.put("K4", KeyEvent.KEYCODE_MOVE_END);
TERMCAP_TO_KEYCODE.put("K5", KeyEvent.KEYCODE_PAGE_DOWN);
TERMCAP_TO_KEYCODE.put("kB", KEYMOD_SHIFT | KEYCODE_TAB); // termcap=kB, terminfo=kcbt: Back-tab
TERMCAP_TO_KEYCODE.put("kD", KEYCODE_FORWARD_DEL); // terminfo=kdch1, delete-character key
TERMCAP_TO_KEYCODE.put("kDN", KEYMOD_SHIFT | KEYCODE_DPAD_DOWN); // non-standard shifted arrow down
TERMCAP_TO_KEYCODE.put("kF", KEYMOD_SHIFT | KEYCODE_DPAD_DOWN); // terminfo=kind, scroll-forward key
TERMCAP_TO_KEYCODE.put("kI", KEYCODE_INSERT);
TERMCAP_TO_KEYCODE.put("kN", KEYCODE_PAGE_UP);
TERMCAP_TO_KEYCODE.put("kP", KEYCODE_PAGE_DOWN);
TERMCAP_TO_KEYCODE.put("kR", KEYMOD_SHIFT | KEYCODE_DPAD_UP); // terminfo=kri, scroll-backward key
TERMCAP_TO_KEYCODE.put("kUP", KEYMOD_SHIFT | KEYCODE_DPAD_UP); // non-standard shifted up
TERMCAP_TO_KEYCODE.put("ku", KEYCODE_DPAD_UP);
TERMCAP_TO_KEYCODE.put("@7", KEYCODE_MOVE_END);
TERMCAP_TO_KEYCODE.put("@8", KEYCODE_NUMPAD_ENTER);
}
TERMCAP_TO_KEYCODE.put("kB", KEYMOD_SHIFT | KEYCODE_TAB); // termcap=kB, terminfo=kcbt: Back-tab
TERMCAP_TO_KEYCODE.put("kD", KEYCODE_FORWARD_DEL); // terminfo=kdch1, delete-character key
TERMCAP_TO_KEYCODE.put("kDN", KEYMOD_SHIFT | KEYCODE_DPAD_DOWN); // non-standard shifted arrow down
TERMCAP_TO_KEYCODE.put("kF", KEYMOD_SHIFT | KEYCODE_DPAD_DOWN); // terminfo=kind, scroll-forward key
TERMCAP_TO_KEYCODE.put("kI", KEYCODE_INSERT);
TERMCAP_TO_KEYCODE.put("kN", KEYCODE_PAGE_UP);
TERMCAP_TO_KEYCODE.put("kP", KEYCODE_PAGE_DOWN);
TERMCAP_TO_KEYCODE.put("kR", KEYMOD_SHIFT | KEYCODE_DPAD_UP); // terminfo=kri, scroll-backward key
TERMCAP_TO_KEYCODE.put("kUP", KEYMOD_SHIFT | KEYCODE_DPAD_UP); // non-standard shifted up
static String getCodeFromTermcap(String termcap, boolean cursorKeysApplication, boolean keypadApplication) {
Integer keyCodeAndMod = TERMCAP_TO_KEYCODE.get(termcap);
if (keyCodeAndMod == null) return null;
int keyCode = keyCodeAndMod;
int keyMod = 0;
if ((keyCode & KEYMOD_SHIFT) != 0) {
keyMod |= KEYMOD_SHIFT;
keyCode &= ~KEYMOD_SHIFT;
}
if ((keyCode & KEYMOD_CTRL) != 0) {
keyMod |= KEYMOD_CTRL;
keyCode &= ~KEYMOD_CTRL;
}
if ((keyCode & KEYMOD_ALT) != 0) {
keyMod |= KEYMOD_ALT;
keyCode &= ~KEYMOD_ALT;
}
return getCode(keyCode, keyMod, cursorKeysApplication, keypadApplication);
}
TERMCAP_TO_KEYCODE.put("@7", KEYCODE_MOVE_END);
TERMCAP_TO_KEYCODE.put("@8", KEYCODE_NUMPAD_ENTER);
}
public static String getCode(int keyCode, int keyMode, boolean cursorApp, boolean keypadApplication) {
switch (keyCode) {
case KEYCODE_DPAD_CENTER:
return "\015";
static String getCodeFromTermcap(String termcap, boolean cursorKeysApplication, boolean keypadApplication) {
Integer keyCodeAndMod = TERMCAP_TO_KEYCODE.get(termcap);
if (keyCodeAndMod == null) return null;
int keyCode = keyCodeAndMod;
int keyMod = 0;
if ((keyCode & KEYMOD_SHIFT) != 0) {
keyMod |= KEYMOD_SHIFT;
keyCode &= ~KEYMOD_SHIFT;
}
if ((keyCode & KEYMOD_CTRL) != 0) {
keyMod |= KEYMOD_CTRL;
keyCode &= ~KEYMOD_CTRL;
}
if ((keyCode & KEYMOD_ALT) != 0) {
keyMod |= KEYMOD_ALT;
keyCode &= ~KEYMOD_ALT;
}
return getCode(keyCode, keyMod, cursorKeysApplication, keypadApplication);
}
case KEYCODE_DPAD_UP:
return (keyMode == 0) ? (cursorApp ? "\033OA" : "\033[A") : transformForModifiers("\033[1", keyMode, 'A');
case KEYCODE_DPAD_DOWN:
return (keyMode == 0) ? (cursorApp ? "\033OB" : "\033[B") : transformForModifiers("\033[1", keyMode, 'B');
case KEYCODE_DPAD_RIGHT:
return (keyMode == 0) ? (cursorApp ? "\033OC" : "\033[C") : transformForModifiers("\033[1", keyMode, 'C');
case KEYCODE_DPAD_LEFT:
return (keyMode == 0) ? (cursorApp ? "\033OD" : "\033[D") : transformForModifiers("\033[1", keyMode, 'D');
public static String getCode(int keyCode, int keyMode, boolean cursorApp, boolean keypadApplication) {
switch (keyCode) {
case KEYCODE_DPAD_CENTER:
return "\015";
case KeyEvent.KEYCODE_HOME:
return (keyMode == 0) ? (cursorApp ? "\033OH" : "\033[H") : transformForModifiers("\033[1", keyMode, 'H');
case KEYCODE_MOVE_END:
return (keyMode == 0) ? (cursorApp ? "\033OF" : "\033[F") : transformForModifiers("\033[1", keyMode, 'F');
case KEYCODE_DPAD_UP:
return (keyMode == 0) ? (cursorApp ? "\033OA" : "\033[A") : transformForModifiers("\033[1", keyMode, 'A');
case KEYCODE_DPAD_DOWN:
return (keyMode == 0) ? (cursorApp ? "\033OB" : "\033[B") : transformForModifiers("\033[1", keyMode, 'B');
case KEYCODE_DPAD_RIGHT:
return (keyMode == 0) ? (cursorApp ? "\033OC" : "\033[C") : transformForModifiers("\033[1", keyMode, 'C');
case KEYCODE_DPAD_LEFT:
return (keyMode == 0) ? (cursorApp ? "\033OD" : "\033[D") : transformForModifiers("\033[1", keyMode, 'D');
// An xterm can send function keys F1 to F4 in two modes: vt100 compatible or
// not. Because Vim may not know what the xterm is sending, both types of keys
// are recognized. The same happens for the <Home> and <End> keys.
// normal vt100 ~
// <F1> t_k1 <Esc>[11~ <xF1> <Esc>OP *<xF1>-xterm*
// <F2> t_k2 <Esc>[12~ <xF2> <Esc>OQ *<xF2>-xterm*
// <F3> t_k3 <Esc>[13~ <xF3> <Esc>OR *<xF3>-xterm*
// <F4> t_k4 <Esc>[14~ <xF4> <Esc>OS *<xF4>-xterm*
// <Home> t_kh <Esc>[7~ <xHome> <Esc>OH *<xHome>-xterm*
// <End> t_@7 <Esc>[4~ <xEnd> <Esc>OF *<xEnd>-xterm*
case KEYCODE_F1:
return (keyMode == 0) ? "\033OP" : transformForModifiers("\033[1", keyMode, 'P');
case KEYCODE_F2:
return (keyMode == 0) ? "\033OQ" : transformForModifiers("\033[1", keyMode, 'Q');
case KEYCODE_F3:
return (keyMode == 0) ? "\033OR" : transformForModifiers("\033[1", keyMode, 'R');
case KEYCODE_F4:
return (keyMode == 0) ? "\033OS" : transformForModifiers("\033[1", keyMode, 'S');
case KEYCODE_F5:
return transformForModifiers("\033[15", keyMode, '~');
case KEYCODE_F6:
return transformForModifiers("\033[17", keyMode, '~');
case KEYCODE_F7:
return transformForModifiers("\033[18", keyMode, '~');
case KEYCODE_F8:
return transformForModifiers("\033[19", keyMode, '~');
case KEYCODE_F9:
return transformForModifiers("\033[20", keyMode, '~');
case KEYCODE_F10:
return transformForModifiers("\033[21", keyMode, '~');
case KEYCODE_F11:
return transformForModifiers("\033[23", keyMode, '~');
case KEYCODE_F12:
return transformForModifiers("\033[24", keyMode, '~');
case KeyEvent.KEYCODE_HOME:
return (keyMode == 0) ? (cursorApp ? "\033OH" : "\033[H") : transformForModifiers("\033[1", keyMode, 'H');
case KEYCODE_MOVE_END:
return (keyMode == 0) ? (cursorApp ? "\033OF" : "\033[F") : transformForModifiers("\033[1", keyMode, 'F');
case KEYCODE_SYSRQ:
return "\033[32~"; // Sys Request / Print
// Is this Scroll lock? case Cancel: return "\033[33~";
case KEYCODE_BREAK:
return "\033[34~"; // Pause/Break
// An xterm can send function keys F1 to F4 in two modes: vt100 compatible or
// not. Because Vim may not know what the xterm is sending, both types of keys
// are recognized. The same happens for the <Home> and <End> keys.
// normal vt100 ~
// <F1> t_k1 <Esc>[11~ <xF1> <Esc>OP *<xF1>-xterm*
// <F2> t_k2 <Esc>[12~ <xF2> <Esc>OQ *<xF2>-xterm*
// <F3> t_k3 <Esc>[13~ <xF3> <Esc>OR *<xF3>-xterm*
// <F4> t_k4 <Esc>[14~ <xF4> <Esc>OS *<xF4>-xterm*
// <Home> t_kh <Esc>[7~ <xHome> <Esc>OH *<xHome>-xterm*
// <End> t_@7 <Esc>[4~ <xEnd> <Esc>OF *<xEnd>-xterm*
case KEYCODE_F1:
return (keyMode == 0) ? "\033OP" : transformForModifiers("\033[1", keyMode, 'P');
case KEYCODE_F2:
return (keyMode == 0) ? "\033OQ" : transformForModifiers("\033[1", keyMode, 'Q');
case KEYCODE_F3:
return (keyMode == 0) ? "\033OR" : transformForModifiers("\033[1", keyMode, 'R');
case KEYCODE_F4:
return (keyMode == 0) ? "\033OS" : transformForModifiers("\033[1", keyMode, 'S');
case KEYCODE_F5:
return transformForModifiers("\033[15", keyMode, '~');
case KEYCODE_F6:
return transformForModifiers("\033[17", keyMode, '~');
case KEYCODE_F7:
return transformForModifiers("\033[18", keyMode, '~');
case KEYCODE_F8:
return transformForModifiers("\033[19", keyMode, '~');
case KEYCODE_F9:
return transformForModifiers("\033[20", keyMode, '~');
case KEYCODE_F10:
return transformForModifiers("\033[21", keyMode, '~');
case KEYCODE_F11:
return transformForModifiers("\033[23", keyMode, '~');
case KEYCODE_F12:
return transformForModifiers("\033[24", keyMode, '~');
case KEYCODE_ESCAPE:
case KeyEvent.KEYCODE_BACK:
return "\033";
case KEYCODE_SYSRQ:
return "\033[32~"; // Sys Request / Print
// Is this Scroll lock? case Cancel: return "\033[33~";
case KEYCODE_BREAK:
return "\033[34~"; // Pause/Break
case KEYCODE_INSERT:
return transformForModifiers("\033[2", keyMode, '~');
case KEYCODE_FORWARD_DEL:
return transformForModifiers("\033[3", keyMode, '~');
case KEYCODE_ESCAPE:
case KeyEvent.KEYCODE_BACK:
return "\033";
case KEYCODE_NUMPAD_DOT:
return keypadApplication ? "\033On" : "\033[3~";
case KEYCODE_INSERT:
return transformForModifiers("\033[2", keyMode, '~');
case KEYCODE_FORWARD_DEL:
return transformForModifiers("\033[3", keyMode, '~');
case KEYCODE_PAGE_UP:
return "\033[5~";
case KEYCODE_PAGE_DOWN:
return "\033[6~";
case KEYCODE_DEL:
// Yes, this needs to U+007F and not U+0008!
return "\u007F";
case KEYCODE_NUM_LOCK:
return "\033OP";
case KEYCODE_NUMPAD_DOT:
return keypadApplication ? "\033On" : "\033[3~";
case KeyEvent.KEYCODE_SPACE:
// If ctrl is not down, return null so that it goes through normal input processing (which may e.g. cause a
// combining accent to be written):
return ((keyMode & KEYMOD_CTRL) == 0) ? null : "\0";
case KEYCODE_TAB:
// This is back-tab when shifted:
return (keyMode & KEYMOD_SHIFT) == 0 ? "\011" : "\033[Z";
case KEYCODE_ENTER:
return ((keyMode & KEYMOD_ALT) == 0) ? "\r" : "\033\r";
case KEYCODE_PAGE_UP:
return "\033[5~";
case KEYCODE_PAGE_DOWN:
return "\033[6~";
case KEYCODE_DEL:
// Yes, this needs to U+007F and not U+0008!
return "\u007F";
case KEYCODE_NUM_LOCK:
return "\033OP";
case KEYCODE_NUMPAD_ENTER:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'M') : "\n";
case KEYCODE_NUMPAD_MULTIPLY:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'j') : "*";
case KEYCODE_NUMPAD_ADD:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'k') : "+";
case KEYCODE_NUMPAD_COMMA:
return ",";
case KEYCODE_NUMPAD_SUBTRACT:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'm') : "-";
case KEYCODE_NUMPAD_DIVIDE:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'o') : "/";
case KEYCODE_NUMPAD_0:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'p') : "1";
case KEYCODE_NUMPAD_1:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'q') : "1";
case KEYCODE_NUMPAD_2:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'r') : "2";
case KEYCODE_NUMPAD_3:
return keypadApplication ? transformForModifiers("\033O", keyMode, 's') : "3";
case KEYCODE_NUMPAD_4:
return keypadApplication ? transformForModifiers("\033O", keyMode, 't') : "4";
case KEYCODE_NUMPAD_5:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'u') : "5";
case KEYCODE_NUMPAD_6:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'v') : "6";
case KEYCODE_NUMPAD_7:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'w') : "7";
case KEYCODE_NUMPAD_8:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'x') : "8";
case KEYCODE_NUMPAD_9:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'y') : "9";
case KEYCODE_NUMPAD_EQUALS:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'X') : "=";
}
case KeyEvent.KEYCODE_SPACE:
// If ctrl is not down, return null so that it goes through normal input processing (which may e.g. cause a
// combining accent to be written):
return ((keyMode & KEYMOD_CTRL) == 0) ? null : "\0";
case KEYCODE_TAB:
// This is back-tab when shifted:
return (keyMode & KEYMOD_SHIFT) == 0 ? "\011" : "\033[Z";
case KEYCODE_ENTER:
return ((keyMode & KEYMOD_ALT) == 0) ? "\r" : "\033\r";
return null;
}
case KEYCODE_NUMPAD_ENTER:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'M') : "\n";
case KEYCODE_NUMPAD_MULTIPLY:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'j') : "*";
case KEYCODE_NUMPAD_ADD:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'k') : "+";
case KEYCODE_NUMPAD_COMMA:
return ",";
case KEYCODE_NUMPAD_SUBTRACT:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'm') : "-";
case KEYCODE_NUMPAD_DIVIDE:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'o') : "/";
case KEYCODE_NUMPAD_0:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'p') : "1";
case KEYCODE_NUMPAD_1:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'q') : "1";
case KEYCODE_NUMPAD_2:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'r') : "2";
case KEYCODE_NUMPAD_3:
return keypadApplication ? transformForModifiers("\033O", keyMode, 's') : "3";
case KEYCODE_NUMPAD_4:
return keypadApplication ? transformForModifiers("\033O", keyMode, 't') : "4";
case KEYCODE_NUMPAD_5:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'u') : "5";
case KEYCODE_NUMPAD_6:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'v') : "6";
case KEYCODE_NUMPAD_7:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'w') : "7";
case KEYCODE_NUMPAD_8:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'x') : "8";
case KEYCODE_NUMPAD_9:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'y') : "9";
case KEYCODE_NUMPAD_EQUALS:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'X') : "=";
}
private static String transformForModifiers(String start, int keymod, char lastChar) {
int modifier;
switch (keymod) {
case KEYMOD_SHIFT:
modifier = 2;
break;
case KEYMOD_ALT:
modifier = 3;
break;
case (KEYMOD_SHIFT | KEYMOD_ALT):
modifier = 4;
break;
case KEYMOD_CTRL:
modifier = 5;
break;
case KEYMOD_SHIFT | KEYMOD_CTRL:
modifier = 6;
break;
case KEYMOD_ALT | KEYMOD_CTRL:
modifier = 7;
break;
case KEYMOD_SHIFT | KEYMOD_ALT | KEYMOD_CTRL:
modifier = 8;
break;
default:
return start + lastChar;
}
return start + (";" + modifier) + lastChar;
}
return null;
}
private static String transformForModifiers(String start, int keymod, char lastChar) {
int modifier;
switch (keymod) {
case KEYMOD_SHIFT:
modifier = 2;
break;
case KEYMOD_ALT:
modifier = 3;
break;
case (KEYMOD_SHIFT | KEYMOD_ALT):
modifier = 4;
break;
case KEYMOD_CTRL:
modifier = 5;
break;
case KEYMOD_SHIFT | KEYMOD_CTRL:
modifier = 6;
break;
case KEYMOD_ALT | KEYMOD_CTRL:
modifier = 7;
break;
case KEYMOD_SHIFT | KEYMOD_ALT | KEYMOD_CTRL:
modifier = 8;
break;
default:
return start + lastChar;
}
return start + (";" + modifier) + lastChar;
}
}

768
app/src/main/java/com/termux/terminal/TerminalBuffer.java
View File

@ -3,441 +3,425 @@ package com.termux.terminal;
/**
* A circular buffer of {@link TerminalRow}:s which keeps notes about what is visible on a logical screen and the scroll
* history.
*
* <p/>
* See {@link #externalToInternalRow(int)} for how to map from logical screen rows to array indices.
*/
public final class TerminalBuffer {
TerminalRow[] mLines;
/** The length of {@link #mLines}. */
int mTotalRows;
/** The number of rows and columns visible on the screen. */
int mScreenRows, mColumns;
/** The number of rows kept in history. */
private int mActiveTranscriptRows = 0;
/** The index in the circular buffer where the visible screen starts. */
private int mScreenFirstRow = 0;
TerminalRow[] mLines;
/** The length of {@link #mLines}. */
int mTotalRows;
/** The number of rows and columns visible on the screen. */
int mScreenRows, mColumns;
/** The number of rows kept in history. */
private int mActiveTranscriptRows = 0;
/** The index in the circular buffer where the visible screen starts. */
private int mScreenFirstRow = 0;
/**
* Create a transcript screen.
*
* @param columns
* the width of the screen in characters.
* @param totalRows
* the height of the entire text area, in rows of text.
* @param screenRows
* the height of just the screen, not including the transcript that holds lines that have scrolled off
* the top of the screen.
*/
public TerminalBuffer(int columns, int totalRows, int screenRows) {
mColumns = columns;
mTotalRows = totalRows;
mScreenRows = screenRows;
mLines = new TerminalRow[totalRows];
/**
* Create a transcript screen.
*
* @param columns the width of the screen in characters.
* @param totalRows the height of the entire text area, in rows of text.
* @param screenRows the height of just the screen, not including the transcript that holds lines that have scrolled off
* the top of the screen.
*/
public TerminalBuffer(int columns, int totalRows, int screenRows) {
mColumns = columns;
mTotalRows = totalRows;
mScreenRows = screenRows;
mLines = new TerminalRow[totalRows];
blockSet(0, 0, columns, screenRows, ' ', TextStyle.NORMAL);
}
blockSet(0, 0, columns, screenRows, ' ', TextStyle.NORMAL);
}
public String getTranscriptText() {
return getSelectedText(0, -getActiveTranscriptRows(), mColumns, mScreenRows).trim();
}
public String getTranscriptText() {
return getSelectedText(0, -getActiveTranscriptRows(), mColumns, mScreenRows).trim();
}
public String getSelectedText(int selX1, int selY1, int selX2, int selY2) {
final StringBuilder builder = new StringBuilder();
final int columns = mColumns;
public String getSelectedText(int selX1, int selY1, int selX2, int selY2) {
final StringBuilder builder = new StringBuilder();
final int columns = mColumns;
if (selY1 < -getActiveTranscriptRows()) selY1 = -getActiveTranscriptRows();
if (selY2 >= mScreenRows) selY2 = mScreenRows - 1;
if (selY1 < -getActiveTranscriptRows()) selY1 = -getActiveTranscriptRows();
if (selY2 >= mScreenRows) selY2 = mScreenRows - 1;
for (int row = selY1; row <= selY2; row++) {
int x1 = (row == selY1) ? selX1 : 0;
int x2;
if (row == selY2) {
x2 = selX2 + 1;
if (x2 > columns) x2 = columns;
} else {
x2 = columns;
}
TerminalRow lineObject = mLines[externalToInternalRow(row)];
int x1Index = lineObject.findStartOfColumn(x1);
int x2Index = (x2 < mColumns) ? lineObject.findStartOfColumn(x2) : lineObject.getSpaceUsed();
if (x2Index == x1Index) {
// Selected the start of a wide character.
x2Index = lineObject.findStartOfColumn(x2+1);
}
char[] line = lineObject.mText;
int lastPrintingCharIndex = -1;
int i;
boolean rowLineWrap = getLineWrap(row);
if (rowLineWrap && x2 == columns) {
// If the line was wrapped, we shouldn't lose trailing space:
lastPrintingCharIndex = x2Index - 1;
} else {
for (i = x1Index; i < x2Index; ++i) {
char c = line[i];
if (c != ' ') lastPrintingCharIndex = i;
}
}
if (lastPrintingCharIndex != -1) builder.append(line, x1Index, lastPrintingCharIndex - x1Index + 1);
if (!rowLineWrap && row < selY2 && row < mScreenRows - 1) builder.append('\n');
}
return builder.toString();
}
for (int row = selY1; row <= selY2; row++) {
int x1 = (row == selY1) ? selX1 : 0;
int x2;
if (row == selY2) {
x2 = selX2 + 1;
if (x2 > columns) x2 = columns;
} else {
x2 = columns;
}
TerminalRow lineObject = mLines[externalToInternalRow(row)];
int x1Index = lineObject.findStartOfColumn(x1);
int x2Index = (x2 < mColumns) ? lineObject.findStartOfColumn(x2) : lineObject.getSpaceUsed();
if (x2Index == x1Index) {
// Selected the start of a wide character.
x2Index = lineObject.findStartOfColumn(x2 + 1);
}
char[] line = lineObject.mText;
int lastPrintingCharIndex = -1;
int i;
boolean rowLineWrap = getLineWrap(row);
if (rowLineWrap && x2 == columns) {
// If the line was wrapped, we shouldn't lose trailing space:
lastPrintingCharIndex = x2Index - 1;
} else {
for (i = x1Index; i < x2Index; ++i) {
char c = line[i];
if (c != ' ') lastPrintingCharIndex = i;
}
}
if (lastPrintingCharIndex != -1)
builder.append(line, x1Index, lastPrintingCharIndex - x1Index + 1);
if (!rowLineWrap && row < selY2 && row < mScreenRows - 1) builder.append('\n');
}
return builder.toString();
}
public int getActiveTranscriptRows() {
return mActiveTranscriptRows;
}
public int getActiveTranscriptRows() {
return mActiveTranscriptRows;
}
public int getActiveRows() {
return mActiveTranscriptRows + mScreenRows;
}
public int getActiveRows() {
return mActiveTranscriptRows + mScreenRows;
}
/**
* Convert a row value from the public external coordinate system to our internal private coordinate system.
*
* <ul>
* <li>External coordinate system: -mActiveTranscriptRows to mScreenRows-1, with the screen being 0..mScreenRows-1.
* <li>Internal coordinate system: the mScreenRows lines starting at mScreenFirstRow comprise the screen, while the
* mActiveTranscriptRows lines ending at mScreenFirstRow-1 form the transcript (as a circular buffer).
* </ul>
*
* External <---> Internal:
*
* <pre>
* [ ... ] [ ... ]
* [ -mActiveTranscriptRows ] [ mScreenFirstRow - mActiveTranscriptRows ]
* [ ... ] [ ... ]
* [ 0 (visible screen starts here) ] <-----> [ mScreenFirstRow ]
* [ ... ] [ ... ]
* [ mScreenRows-1 ] [ mScreenFirstRow + mScreenRows-1 ]
* </pre>
*
* @param externalRow
* a row in the external coordinate system.
* @return The row corresponding to the input argument in the private coordinate system.
*/
public int externalToInternalRow(int externalRow) {
if (externalRow < -mActiveTranscriptRows || externalRow > mScreenRows)
throw new IllegalArgumentException("extRow=" + externalRow + ", mScreenRows=" + mScreenRows + ", mActiveTranscriptRows=" + mActiveTranscriptRows);
final int internalRow = mScreenFirstRow + externalRow;
return (internalRow < 0) ? (mTotalRows + internalRow) : (internalRow % mTotalRows);
}
/**
* Convert a row value from the public external coordinate system to our internal private coordinate system.
* <p/>
* <ul>
* <li>External coordinate system: -mActiveTranscriptRows to mScreenRows-1, with the screen being 0..mScreenRows-1.
* <li>Internal coordinate system: the mScreenRows lines starting at mScreenFirstRow comprise the screen, while the
* mActiveTranscriptRows lines ending at mScreenFirstRow-1 form the transcript (as a circular buffer).
* </ul>
* <p/>
* External <---> Internal:
* <p/>
* <pre>
* [ ... ] [ ... ]
* [ -mActiveTranscriptRows ] [ mScreenFirstRow - mActiveTranscriptRows ]
* [ ... ] [ ... ]
* [ 0 (visible screen starts here) ] <-----> [ mScreenFirstRow ]
* [ ... ] [ ... ]
* [ mScreenRows-1 ] [ mScreenFirstRow + mScreenRows-1 ]
* </pre>
*
* @param externalRow a row in the external coordinate system.
* @return The row corresponding to the input argument in the private coordinate system.
*/
public int externalToInternalRow(int externalRow) {
if (externalRow < -mActiveTranscriptRows || externalRow > mScreenRows)
throw new IllegalArgumentException("extRow=" + externalRow + ", mScreenRows=" + mScreenRows + ", mActiveTranscriptRows=" + mActiveTranscriptRows);
final int internalRow = mScreenFirstRow + externalRow;
return (internalRow < 0) ? (mTotalRows + internalRow) : (internalRow % mTotalRows);
}
public void setLineWrap(int row) {
mLines[externalToInternalRow(row)].mLineWrap = true;
}
public void setLineWrap(int row) {
mLines[externalToInternalRow(row)].mLineWrap = true;
}
public boolean getLineWrap(int row) {
return mLines[externalToInternalRow(row)].mLineWrap;
}
public boolean getLineWrap(int row) {
return mLines[externalToInternalRow(row)].mLineWrap;
}
public void clearLineWrap(int row) {
mLines[externalToInternalRow(row)].mLineWrap = false;
}
/**
* Resize the screen which this transcript backs. Currently, this only works if the number of columns does not
* change or the rows expand (that is, it only works when shrinking the number of rows).
*
* @param newColumns
* The number of columns the screen should have.
* @param newRows
* The number of rows the screen should have.
* @param cursor
* An int[2] containing the (column, row) cursor location.
*/
public void resize(int newColumns, int newRows, int newTotalRows, int[] cursor, int currentStyle, boolean altScreen) {
// newRows > mTotalRows should not normally happen since mTotalRows is TRANSCRIPT_ROWS (10000):
if (newColumns == mColumns && newRows <= mTotalRows) {
// Fast resize where just the rows changed.
int shiftDownOfTopRow = mScreenRows - newRows;
if (shiftDownOfTopRow > 0 && shiftDownOfTopRow < mScreenRows) {
// Shrinking. Check if we can skip blank rows at bottom below cursor.
for (int i = mScreenRows - 1; i > 0; i--) {
if (cursor[1] >= i) break;
int r = externalToInternalRow(i);
if (mLines[r] == null || mLines[r].isBlank()) {
if (--shiftDownOfTopRow == 0) break;
}
}
} else if (shiftDownOfTopRow < 0) {
// Negative shift down = expanding. Only move screen up if there is transcript to show:
int actualShift = Math.max(shiftDownOfTopRow, -mActiveTranscriptRows);
if (shiftDownOfTopRow != actualShift) {
// The new lines revealed by the resizing are not all from the transcript. Blank the below ones.
for (int i = 0; i < actualShift - shiftDownOfTopRow; i++)
allocateFullLineIfNecessary((mScreenFirstRow + mScreenRows + i) % mTotalRows).clear(currentStyle);
shiftDownOfTopRow = actualShift;
}
}
mScreenFirstRow += shiftDownOfTopRow;
mScreenFirstRow = (mScreenFirstRow < 0) ? (mScreenFirstRow + mTotalRows) : (mScreenFirstRow % mTotalRows);
mTotalRows = newTotalRows;
mActiveTranscriptRows = altScreen ? 0 : Math.max(0, mActiveTranscriptRows + shiftDownOfTopRow);
cursor[1] -= shiftDownOfTopRow;
mScreenRows = newRows;
} else {
// Copy away old state and update new:
TerminalRow[] oldLines = mLines;
mLines = new TerminalRow[newTotalRows];
for (int i = 0; i < newTotalRows; i++)
mLines[i] = new TerminalRow(newColumns, currentStyle);
/**
* Resize the screen which this transcript backs. Currently, this only works if the number of columns does not
* change or the rows expand (that is, it only works when shrinking the number of rows).
*
* @param newColumns The number of columns the screen should have.
* @param newRows The number of rows the screen should have.
* @param cursor An int[2] containing the (column, row) cursor location.
*/
public void resize(int newColumns, int newRows, int newTotalRows, int[] cursor, int currentStyle, boolean altScreen) {
// newRows > mTotalRows should not normally happen since mTotalRows is TRANSCRIPT_ROWS (10000):
if (newColumns == mColumns && newRows <= mTotalRows) {
// Fast resize where just the rows changed.
int shiftDownOfTopRow = mScreenRows - newRows;
if (shiftDownOfTopRow > 0 && shiftDownOfTopRow < mScreenRows) {
// Shrinking. Check if we can skip blank rows at bottom below cursor.
for (int i = mScreenRows - 1; i > 0; i--) {
if (cursor[1] >= i) break;
int r = externalToInternalRow(i);
if (mLines[r] == null || mLines[r].isBlank()) {
if (--shiftDownOfTopRow == 0) break;
}
}
} else if (shiftDownOfTopRow < 0) {
// Negative shift down = expanding. Only move screen up if there is transcript to show:
int actualShift = Math.max(shiftDownOfTopRow, -mActiveTranscriptRows);
if (shiftDownOfTopRow != actualShift) {
// The new lines revealed by the resizing are not all from the transcript. Blank the below ones.
for (int i = 0; i < actualShift - shiftDownOfTopRow; i++)
allocateFullLineIfNecessary((mScreenFirstRow + mScreenRows + i) % mTotalRows).clear(currentStyle);
shiftDownOfTopRow = actualShift;
}
}
mScreenFirstRow += shiftDownOfTopRow;
mScreenFirstRow = (mScreenFirstRow < 0) ? (mScreenFirstRow + mTotalRows) : (mScreenFirstRow % mTotalRows);
mTotalRows = newTotalRows;
mActiveTranscriptRows = altScreen ? 0 : Math.max(0, mActiveTranscriptRows + shiftDownOfTopRow);
cursor[1] -= shiftDownOfTopRow;
mScreenRows = newRows;
} else {
// Copy away old state and update new:
TerminalRow[] oldLines = mLines;
mLines = new TerminalRow[newTotalRows];
for (int i = 0; i < newTotalRows; i++)
mLines[i] = new TerminalRow(newColumns, currentStyle);
final int oldActiveTranscriptRows = mActiveTranscriptRows;
final int oldScreenFirstRow = mScreenFirstRow;
final int oldScreenRows = mScreenRows;
final int oldTotalRows = mTotalRows;
mTotalRows = newTotalRows;
mScreenRows = newRows;
mActiveTranscriptRows = mScreenFirstRow = 0;
mColumns = newColumns;
final int oldActiveTranscriptRows = mActiveTranscriptRows;
final int oldScreenFirstRow = mScreenFirstRow;
final int oldScreenRows = mScreenRows;
final int oldTotalRows = mTotalRows;
mTotalRows = newTotalRows;
mScreenRows = newRows;
mActiveTranscriptRows = mScreenFirstRow = 0;
mColumns = newColumns;
int newCursorRow = -1;
int newCursorColumn = -1;
int oldCursorRow = cursor[1];
int oldCursorColumn = cursor[0];
boolean newCursorPlaced = false;
int newCursorRow = -1;
int newCursorColumn = -1;
int oldCursorRow = cursor[1];
int oldCursorColumn = cursor[0];
boolean newCursorPlaced = false;
int currentOutputExternalRow = 0;
int currentOutputExternalColumn = 0;
int currentOutputExternalRow = 0;
int currentOutputExternalColumn = 0;
// Loop over every character in the initial state.
// Blank lines should be skipped only if at end of transcript (just as is done in the "fast" resize), so we
// keep track how many blank lines we have skipped if we later on find a non-blank line.
int skippedBlankLines = 0;
for (int externalOldRow = -oldActiveTranscriptRows; externalOldRow < oldScreenRows; externalOldRow++) {
// Do what externalToInternalRow() does but for the old state:
int internalOldRow = oldScreenFirstRow + externalOldRow;
internalOldRow = (internalOldRow < 0) ? (oldTotalRows + internalOldRow) : (internalOldRow % oldTotalRows);
// Loop over every character in the initial state.
// Blank lines should be skipped only if at end of transcript (just as is done in the "fast" resize), so we
// keep track how many blank lines we have skipped if we later on find a non-blank line.
int skippedBlankLines = 0;
for (int externalOldRow = -oldActiveTranscriptRows; externalOldRow < oldScreenRows; externalOldRow++) {
// Do what externalToInternalRow() does but for the old state:
int internalOldRow = oldScreenFirstRow + externalOldRow;
internalOldRow = (internalOldRow < 0) ? (oldTotalRows + internalOldRow) : (internalOldRow % oldTotalRows);
TerminalRow oldLine = oldLines[internalOldRow];
boolean cursorAtThisRow = externalOldRow == oldCursorRow;
// The cursor may only be on a non-null line, which we should not skip:
if (oldLine == null || (!(!newCursorPlaced && cursorAtThisRow)) && oldLine.isBlank()) {
skippedBlankLines++;
continue;
} else if (skippedBlankLines > 0) {
// After skipping some blank lines we encounter a non-blank line. Insert the skipped blank lines.
for (int i = 0; i < skippedBlankLines; i++) {
if (currentOutputExternalRow == mScreenRows - 1) {
scrollDownOneLine(0, mScreenRows, currentStyle);
} else {
currentOutputExternalRow++;
}
currentOutputExternalColumn = 0;
}
skippedBlankLines = 0;
}
TerminalRow oldLine = oldLines[internalOldRow];
boolean cursorAtThisRow = externalOldRow == oldCursorRow;
// The cursor may only be on a non-null line, which we should not skip:
if (oldLine == null || (!(!newCursorPlaced && cursorAtThisRow)) && oldLine.isBlank()) {
skippedBlankLines++;
continue;
} else if (skippedBlankLines > 0) {
// After skipping some blank lines we encounter a non-blank line. Insert the skipped blank lines.
for (int i = 0; i < skippedBlankLines; i++) {
if (currentOutputExternalRow == mScreenRows - 1) {
scrollDownOneLine(0, mScreenRows, currentStyle);
} else {
currentOutputExternalRow++;
}
currentOutputExternalColumn = 0;
}
skippedBlankLines = 0;
}
int lastNonSpaceIndex = 0;
boolean justToCursor = false;
if (cursorAtThisRow || oldLine.mLineWrap) {
// Take the whole line, either because of cursor on it, or if line wrapping.
lastNonSpaceIndex = oldLine.getSpaceUsed();
if (cursorAtThisRow) justToCursor = true;
} else {
for (int i = 0; i < oldLine.getSpaceUsed(); i++)
// NEWLY INTRODUCED BUG! Should not index oldLine.mStyle with char indices
if (oldLine.mText[i] != ' '/* || oldLine.mStyle[i] != currentStyle */) lastNonSpaceIndex = i + 1;
}
int lastNonSpaceIndex = 0;
boolean justToCursor = false;
if (cursorAtThisRow || oldLine.mLineWrap) {
// Take the whole line, either because of cursor on it, or if line wrapping.
lastNonSpaceIndex = oldLine.getSpaceUsed();
if (cursorAtThisRow) justToCursor = true;
} else {
for (int i = 0; i < oldLine.getSpaceUsed(); i++)
// NEWLY INTRODUCED BUG! Should not index oldLine.mStyle with char indices
if (oldLine.mText[i] != ' '/* || oldLine.mStyle[i] != currentStyle */)
lastNonSpaceIndex = i + 1;
}
int currentOldCol = 0;
int styleAtCol = 0;
for (int i = 0; i < lastNonSpaceIndex; i++) {
// Note that looping over java character, not cells.
char c = oldLine.mText[i];
int codePoint = (Character.isHighSurrogate(c)) ? Character.toCodePoint(c, oldLine.mText[++i]) : c;
int displayWidth = WcWidth.width(codePoint);
// Use the last style if this is a zero-width character:
if (displayWidth > 0) styleAtCol = oldLine.getStyle(currentOldCol);
int currentOldCol = 0;
int styleAtCol = 0;
for (int i = 0; i < lastNonSpaceIndex; i++) {
// Note that looping over java character, not cells.
char c = oldLine.mText[i];
int codePoint = (Character.isHighSurrogate(c)) ? Character.toCodePoint(c, oldLine.mText[++i]) : c;
int displayWidth = WcWidth.width(codePoint);
// Use the last style if this is a zero-width character:
if (displayWidth > 0) styleAtCol = oldLine.getStyle(currentOldCol);
// Line wrap as necessary:
if (currentOutputExternalColumn + displayWidth > mColumns) {
setLineWrap(currentOutputExternalRow);
if (currentOutputExternalRow == mScreenRows - 1) {
if (newCursorPlaced) newCursorRow--;
scrollDownOneLine(0, mScreenRows, currentStyle);
} else {
currentOutputExternalRow++;
}
currentOutputExternalColumn = 0;
}
// Line wrap as necessary:
if (currentOutputExternalColumn + displayWidth > mColumns) {
setLineWrap(currentOutputExternalRow);
if (currentOutputExternalRow == mScreenRows - 1) {
if (newCursorPlaced) newCursorRow--;
scrollDownOneLine(0, mScreenRows, currentStyle);
} else {
currentOutputExternalRow++;
}
currentOutputExternalColumn = 0;
}
int offsetDueToCombiningChar = ((displayWidth <= 0 && currentOutputExternalColumn > 0) ? 1 : 0);
int outputColumn = currentOutputExternalColumn - offsetDueToCombiningChar;
setChar(outputColumn, currentOutputExternalRow, codePoint, styleAtCol);
int offsetDueToCombiningChar = ((displayWidth <= 0 && currentOutputExternalColumn > 0) ? 1 : 0);
int outputColumn = currentOutputExternalColumn - offsetDueToCombiningChar;
setChar(outputColumn, currentOutputExternalRow, codePoint, styleAtCol);
if (displayWidth > 0) {
if (oldCursorRow == externalOldRow && oldCursorColumn == currentOldCol) {
newCursorColumn = currentOutputExternalColumn;
newCursorRow = currentOutputExternalRow;
newCursorPlaced = true;
}
currentOldCol += displayWidth;
currentOutputExternalColumn += displayWidth;
if (justToCursor && newCursorPlaced) break;
}
}
// Old row has been copied. Check if we need to insert newline if old line was not wrapping:
if (externalOldRow != (oldScreenRows - 1) && !oldLine.mLineWrap) {
if (currentOutputExternalRow == mScreenRows - 1) {
if (newCursorPlaced) newCursorRow--;
scrollDownOneLine(0, mScreenRows, currentStyle);
} else {
currentOutputExternalRow++;
}
currentOutputExternalColumn = 0;
}
}
if (displayWidth > 0) {
if (oldCursorRow == externalOldRow && oldCursorColumn == currentOldCol) {
newCursorColumn = currentOutputExternalColumn;
newCursorRow = currentOutputExternalRow;
newCursorPlaced = true;
}
currentOldCol += displayWidth;
currentOutputExternalColumn += displayWidth;
if (justToCursor && newCursorPlaced) break;
}
}
// Old row has been copied. Check if we need to insert newline if old line was not wrapping:
if (externalOldRow != (oldScreenRows - 1) && !oldLine.mLineWrap) {
if (currentOutputExternalRow == mScreenRows - 1) {
if (newCursorPlaced) newCursorRow--;
scrollDownOneLine(0, mScreenRows, currentStyle);
} else {
currentOutputExternalRow++;
}
currentOutputExternalColumn = 0;
}
}
cursor[0] = newCursorColumn;
cursor[1] = newCursorRow;
}
cursor[0] = newCursorColumn;
cursor[1] = newCursorRow;
}
// Handle cursor scrolling off screen:
if (cursor[0] < 0 || cursor[1] < 0) cursor[0] = cursor[1] = 0;
}
// Handle cursor scrolling off screen:
if (cursor[0] < 0 || cursor[1] < 0) cursor[0] = cursor[1] = 0;
}
/**
* Block copy lines and associated metadata from one location to another in the circular buffer, taking wraparound
* into account.
*
* @param srcInternal
* The first line to be copied.
* @param len
* The number of lines to be copied.
*/
private void blockCopyLinesDown(int srcInternal, int len) {
if (len == 0) return;
int totalRows = mTotalRows;
/**
* Block copy lines and associated metadata from one location to another in the circular buffer, taking wraparound
* into account.
*
* @param srcInternal The first line to be copied.
* @param len The number of lines to be copied.
*/
private void blockCopyLinesDown(int srcInternal, int len) {
if (len == 0) return;
int totalRows = mTotalRows;
int start = len - 1;
// Save away line to be overwritten:
TerminalRow lineToBeOverWritten = mLines[(srcInternal + start + 1) % totalRows];
// Do the copy from bottom to top.
for (int i = start; i >= 0; --i)
mLines[(srcInternal + i + 1) % totalRows] = mLines[(srcInternal + i) % totalRows];
// Put back overwritten line, now above the block:
mLines[(srcInternal) % totalRows] = lineToBeOverWritten;
}
int start = len - 1;
// Save away line to be overwritten:
TerminalRow lineToBeOverWritten = mLines[(srcInternal + start + 1) % totalRows];
// Do the copy from bottom to top.
for (int i = start; i >= 0; --i)
mLines[(srcInternal + i + 1) % totalRows] = mLines[(srcInternal + i) % totalRows];
// Put back overwritten line, now above the block:
mLines[(srcInternal) % totalRows] = lineToBeOverWritten;
}
/**
* Scroll the screen down one line. To scroll the whole screen of a 24 line screen, the arguments would be (0, 24).
*
* @param topMargin
* First line that is scrolled.
* @param bottomMargin
* One line after the last line that is scrolled.
* @param style
* the style for the newly exposed line.
*/
public void scrollDownOneLine(int topMargin, int bottomMargin, int style) {
if (topMargin > bottomMargin - 1 || topMargin < 0 || bottomMargin > mScreenRows)
throw new IllegalArgumentException("topMargin=" + topMargin + ", bottomMargin=" + bottomMargin + ", mScreenRows=" + mScreenRows);
/**
* Scroll the screen down one line. To scroll the whole screen of a 24 line screen, the arguments would be (0, 24).
*
* @param topMargin First line that is scrolled.
* @param bottomMargin One line after the last line that is scrolled.
* @param style the style for the newly exposed line.
*/
public void scrollDownOneLine(int topMargin, int bottomMargin, int style) {
if (topMargin > bottomMargin - 1 || topMargin < 0 || bottomMargin > mScreenRows)
throw new IllegalArgumentException("topMargin=" + topMargin + ", bottomMargin=" + bottomMargin + ", mScreenRows=" + mScreenRows);
// Copy the fixed topMargin lines one line down so that they remain on screen in same position:
blockCopyLinesDown(mScreenFirstRow, topMargin);
// Copy the fixed mScreenRows-bottomMargin lines one line down so that they remain on screen in same
// position:
blockCopyLinesDown(externalToInternalRow(bottomMargin), mScreenRows - bottomMargin);
// Copy the fixed topMargin lines one line down so that they remain on screen in same position:
blockCopyLinesDown(mScreenFirstRow, topMargin);
// Copy the fixed mScreenRows-bottomMargin lines one line down so that they remain on screen in same
// position:
blockCopyLinesDown(externalToInternalRow(bottomMargin), mScreenRows - bottomMargin);
// Update the screen location in the ring buffer:
mScreenFirstRow = (mScreenFirstRow + 1) % mTotalRows;
// Note that the history has grown if not already full:
if (mActiveTranscriptRows < mTotalRows - mScreenRows) mActiveTranscriptRows++;
// Update the screen location in the ring buffer:
mScreenFirstRow = (mScreenFirstRow + 1) % mTotalRows;
// Note that the history has grown if not already full:
if (mActiveTranscriptRows < mTotalRows - mScreenRows) mActiveTranscriptRows++;
// Blank the newly revealed line above the bottom margin:
int blankRow = externalToInternalRow(bottomMargin - 1);
if (mLines[blankRow] == null) {
mLines[blankRow] = new TerminalRow(mColumns, style);
} else {
mLines[blankRow].clear(style);
}
}
// Blank the newly revealed line above the bottom margin:
int blankRow = externalToInternalRow(bottomMargin - 1);
if (mLines[blankRow] == null) {
mLines[blankRow] = new TerminalRow(mColumns, style);
} else {
mLines[blankRow].clear(style);
}
}
/**
* Block copy characters from one position in the screen to another. The two positions can overlap. All characters
* of the source and destination must be within the bounds of the screen, or else an InvalidParameterException will
* be thrown.
*
* @param sx
* source X coordinate
* @param sy
* source Y coordinate
* @param w
* width
* @param h
* height
* @param dx
* destination X coordinate
* @param dy
* destination Y coordinate
*/
public void blockCopy(int sx, int sy, int w, int h, int dx, int dy) {
if (w == 0) return;
if (sx < 0 || sx + w > mColumns || sy < 0 || sy + h > mScreenRows || dx < 0 || dx + w > mColumns || dy < 0 || dy + h > mScreenRows)
throw new IllegalArgumentException();
boolean copyingUp = sy > dy;
for (int y = 0; y < h; y++) {
int y2 = copyingUp ? y : (h - (y + 1));
TerminalRow sourceRow = allocateFullLineIfNecessary(externalToInternalRow(sy + y2));
allocateFullLineIfNecessary(externalToInternalRow(dy + y2)).copyInterval(sourceRow, sx, sx + w, dx);
}
}
/**
* Block copy characters from one position in the screen to another. The two positions can overlap. All characters
* of the source and destination must be within the bounds of the screen, or else an InvalidParameterException will
* be thrown.
*
* @param sx source X coordinate
* @param sy source Y coordinate
* @param w width
* @param h height
* @param dx destination X coordinate
* @param dy destination Y coordinate
*/
public void blockCopy(int sx, int sy, int w, int h, int dx, int dy) {
if (w == 0) return;
if (sx < 0 || sx + w > mColumns || sy < 0 || sy + h > mScreenRows || dx < 0 || dx + w > mColumns || dy < 0 || dy + h > mScreenRows)
throw new IllegalArgumentException();
boolean copyingUp = sy > dy;
for (int y = 0; y < h; y++) {
int y2 = copyingUp ? y : (h - (y + 1));
TerminalRow sourceRow = allocateFullLineIfNecessary(externalToInternalRow(sy + y2));
allocateFullLineIfNecessary(externalToInternalRow(dy + y2)).copyInterval(sourceRow, sx, sx + w, dx);
}
}
/**
* Block set characters. All characters must be within the bounds of the screen, or else and
* InvalidParemeterException will be thrown. Typically this is called with a "val" argument of 32 to clear a block
* of characters.
*/
public void blockSet(int sx, int sy, int w, int h, int val, int style) {
if (sx < 0 || sx + w > mColumns || sy < 0 || sy + h > mScreenRows) {
throw new IllegalArgumentException(
"Illegal arguments! blockSet(" + sx + ", " + sy + ", " + w + ", " + h + ", " + val + ", " + mColumns + ", " + mScreenRows + ")");
}
for (int y = 0; y < h; y++)
for (int x = 0; x < w; x++)
setChar(sx + x, sy + y, val, style);
}
/**
* Block set characters. All characters must be within the bounds of the screen, or else and
* InvalidParemeterException will be thrown. Typically this is called with a "val" argument of 32 to clear a block
* of characters.
*/
public void blockSet(int sx, int sy, int w, int h, int val, int style) {
if (sx < 0 || sx + w > mColumns || sy < 0 || sy + h > mScreenRows) {
throw new IllegalArgumentException(
"Illegal arguments! blockSet(" + sx + ", " + sy + ", " + w + ", " + h + ", " + val + ", " + mColumns + ", " + mScreenRows + ")");
}
for (int y = 0; y < h; y++)
for (int x = 0; x < w; x++)
setChar(sx + x, sy + y, val, style);
}
public TerminalRow allocateFullLineIfNecessary(int row) {
return (mLines[row] == null) ? (mLines[row] = new TerminalRow(mColumns, 0)) : mLines[row];
}
public TerminalRow allocateFullLineIfNecessary(int row) {
return (mLines[row] == null) ? (mLines[row] = new TerminalRow(mColumns, 0)) : mLines[row];
}
public void setChar(int column, int row, int codePoint, int style) {
if (row >= mScreenRows || column >= mColumns)
throw new IllegalArgumentException("row=" + row + ", column=" + column + ", mScreenRows=" + mScreenRows + ", mColumns=" + mColumns);
row = externalToInternalRow(row);
allocateFullLineIfNecessary(row).setChar(column, codePoint, style);
}
public void setChar(int column, int row, int codePoint, int style) {
if (row >= mScreenRows || column >= mColumns)
throw new IllegalArgumentException("row=" + row + ", column=" + column + ", mScreenRows=" + mScreenRows + ", mColumns=" + mColumns);
row = externalToInternalRow(row);
allocateFullLineIfNecessary(row).setChar(column, codePoint, style);
}
public int getStyleAt(int externalRow, int column) {
return allocateFullLineIfNecessary(externalToInternalRow(externalRow)).getStyle(column);
}
public int getStyleAt(int externalRow, int column) {
return allocateFullLineIfNecessary(externalToInternalRow(externalRow)).getStyle(column);
}
/** Support for http://vt100.net/docs/vt510-rm/DECCARA and http://vt100.net/docs/vt510-rm/DECCARA */
public void setOrClearEffect(int bits, boolean setOrClear, boolean reverse, boolean rectangular, int leftMargin, int rightMargin, int top, int left,
int bottom, int right) {
for (int y = top; y < bottom; y++) {
TerminalRow line = mLines[externalToInternalRow(y)];
int startOfLine = (rectangular || y == top) ? left : leftMargin;
int endOfLine = (rectangular || y + 1 == bottom) ? right : rightMargin;
for (int x = startOfLine; x < endOfLine; x++) {
int currentStyle = line.getStyle(x);
int foreColor = TextStyle.decodeForeColor(currentStyle);
int backColor = TextStyle.decodeBackColor(currentStyle);
int effect = TextStyle.decodeEffect(currentStyle);
if (reverse) {
// Clear out the bits to reverse and add them back in reversed:
effect = (effect & ~bits) | (bits & ~effect);
} else if (setOrClear) {
effect |= bits;
} else {
effect &= ~bits;
}
line.mStyle[x] = TextStyle.encode(foreColor, backColor, effect);
}
}
}
/** Support for http://vt100.net/docs/vt510-rm/DECCARA and http://vt100.net/docs/vt510-rm/DECCARA */
public void setOrClearEffect(int bits, boolean setOrClear, boolean reverse, boolean rectangular, int leftMargin, int rightMargin, int top, int left,
int bottom, int right) {
for (int y = top; y < bottom; y++) {
TerminalRow line = mLines[externalToInternalRow(y)];
int startOfLine = (rectangular || y == top) ? left : leftMargin;
int endOfLine = (rectangular || y + 1 == bottom) ? right : rightMargin;
for (int x = startOfLine; x < endOfLine; x++) {
int currentStyle = line.getStyle(x);
int foreColor = TextStyle.decodeForeColor(currentStyle);
int backColor = TextStyle.decodeBackColor(currentStyle);
int effect = TextStyle.decodeEffect(currentStyle);
if (reverse) {
// Clear out the bits to reverse and add them back in reversed:
effect = (effect & ~bits) | (bits & ~effect);
} else if (setOrClear) {
effect |= bits;
} else {
effect &= ~bits;
}
line.mStyle[x] = TextStyle.encode(foreColor, backColor, effect);
}
}
}
}

157
app/src/main/java/com/termux/terminal/TerminalColorScheme.java
View File

@ -6,97 +6,98 @@ import java.util.Properties;
/**
* Color scheme for a terminal with default colors, which may be overridden (and then reset) from the shell using
* Operating System Control (OSC) sequences.
*
*
* @see TerminalColors
*/
public final class TerminalColorScheme {
/** http://upload.wikimedia.org/wikipedia/en/1/15/Xterm_256color_chart.svg, but with blue color brighter. */
private static final int[] DEFAULT_COLORSCHEME = {
// 16 original colors. First 8 are dim.
0xff000000, // black
0xffcd0000, // dim red
0xff00cd00, // dim green
0xffcdcd00, // dim yellow
0xff6495ed, // dim blue
0xffcd00cd, // dim magenta
0xff00cdcd, // dim cyan
0xffe5e5e5, // dim white
// Second 8 are bright:
0xff7f7f7f, // medium grey
0xffff0000, // bright red
0xff00ff00, // bright green
0xffffff00, // bright yellow
0xff5c5cff, // light blue
0xffff00ff, // bright magenta
0xff00ffff, // bright cyan
0xffffffff, // bright white
/** http://upload.wikimedia.org/wikipedia/en/1/15/Xterm_256color_chart.svg, but with blue color brighter. */
private static final int[] DEFAULT_COLORSCHEME = {
// 16 original colors. First 8 are dim.
0xff000000, // black
0xffcd0000, // dim red
0xff00cd00, // dim green
0xffcdcd00, // dim yellow
0xff6495ed, // dim blue
0xffcd00cd, // dim magenta
0xff00cdcd, // dim cyan
0xffe5e5e5, // dim white
// Second 8 are bright:
0xff7f7f7f, // medium grey
0xffff0000, // bright red
0xff00ff00, // bright green
0xffffff00, // bright yellow
0xff5c5cff, // light blue
0xffff00ff, // bright magenta
0xff00ffff, // bright cyan
0xffffffff, // bright white
// 216 color cube, six shades of each color:
0xff000000, 0xff00005f, 0xff000087, 0xff0000af, 0xff0000d7, 0xff0000ff, 0xff005f00, 0xff005f5f, 0xff005f87, 0xff005faf, 0xff005fd7, 0xff005fff,
0xff008700, 0xff00875f, 0xff008787, 0xff0087af, 0xff0087d7, 0xff0087ff, 0xff00af00, 0xff00af5f, 0xff00af87, 0xff00afaf, 0xff00afd7, 0xff00afff,
0xff00d700, 0xff00d75f, 0xff00d787, 0xff00d7af, 0xff00d7d7, 0xff00d7ff, 0xff00ff00, 0xff00ff5f, 0xff00ff87, 0xff00ffaf, 0xff00ffd7, 0xff00ffff,
0xff5f0000, 0xff5f005f, 0xff5f0087, 0xff5f00af, 0xff5f00d7, 0xff5f00ff, 0xff5f5f00, 0xff5f5f5f, 0xff5f5f87, 0xff5f5faf, 0xff5f5fd7, 0xff5f5fff,
0xff5f8700, 0xff5f875f, 0xff5f8787, 0xff5f87af, 0xff5f87d7, 0xff5f87ff, 0xff5faf00, 0xff5faf5f, 0xff5faf87, 0xff5fafaf, 0xff5fafd7, 0xff5fafff,
0xff5fd700, 0xff5fd75f, 0xff5fd787, 0xff5fd7af, 0xff5fd7d7, 0xff5fd7ff, 0xff5fff00, 0xff5fff5f, 0xff5fff87, 0xff5fffaf, 0xff5fffd7, 0xff5fffff,
0xff870000, 0xff87005f, 0xff870087, 0xff8700af, 0xff8700d7, 0xff8700ff, 0xff875f00, 0xff875f5f, 0xff875f87, 0xff875faf, 0xff875fd7, 0xff875fff,
0xff878700, 0xff87875f, 0xff878787, 0xff8787af, 0xff8787d7, 0xff8787ff, 0xff87af00, 0xff87af5f, 0xff87af87, 0xff87afaf, 0xff87afd7, 0xff87afff,
0xff87d700, 0xff87d75f, 0xff87d787, 0xff87d7af, 0xff87d7d7, 0xff87d7ff, 0xff87ff00, 0xff87ff5f, 0xff87ff87, 0xff87ffaf, 0xff87ffd7, 0xff87ffff,
0xffaf0000, 0xffaf005f, 0xffaf0087, 0xffaf00af, 0xffaf00d7, 0xffaf00ff, 0xffaf5f00, 0xffaf5f5f, 0xffaf5f87, 0xffaf5faf, 0xffaf5fd7, 0xffaf5fff,
0xffaf8700, 0xffaf875f, 0xffaf8787, 0xffaf87af, 0xffaf87d7, 0xffaf87ff, 0xffafaf00, 0xffafaf5f, 0xffafaf87, 0xffafafaf, 0xffafafd7, 0xffafafff,
0xffafd700, 0xffafd75f, 0xffafd787, 0xffafd7af, 0xffafd7d7, 0xffafd7ff, 0xffafff00, 0xffafff5f, 0xffafff87, 0xffafffaf, 0xffafffd7, 0xffafffff,
0xffd70000, 0xffd7005f, 0xffd70087, 0xffd700af, 0xffd700d7, 0xffd700ff, 0xffd75f00, 0xffd75f5f, 0xffd75f87, 0xffd75faf, 0xffd75fd7, 0xffd75fff,
0xffd78700, 0xffd7875f, 0xffd78787, 0xffd787af, 0xffd787d7, 0xffd787ff, 0xffd7af00, 0xffd7af5f, 0xffd7af87, 0xffd7afaf, 0xffd7afd7, 0xffd7afff,
0xffd7d700, 0xffd7d75f, 0xffd7d787, 0xffd7d7af, 0xffd7d7d7, 0xffd7d7ff, 0xffd7ff00, 0xffd7ff5f, 0xffd7ff87, 0xffd7ffaf, 0xffd7ffd7, 0xffd7ffff,
0xffff0000, 0xffff005f, 0xffff0087, 0xffff00af, 0xffff00d7, 0xffff00ff, 0xffff5f00, 0xffff5f5f, 0xffff5f87, 0xffff5faf, 0xffff5fd7, 0xffff5fff,
0xffff8700, 0xffff875f, 0xffff8787, 0xffff87af, 0xffff87d7, 0xffff87ff, 0xffffaf00, 0xffffaf5f, 0xffffaf87, 0xffffafaf, 0xffffafd7, 0xffffafff,
0xffffd700, 0xffffd75f, 0xffffd787, 0xffffd7af, 0xffffd7d7, 0xffffd7ff, 0xffffff00, 0xffffff5f, 0xffffff87, 0xffffffaf, 0xffffffd7, 0xffffffff,
// 216 color cube, six shades of each color:
0xff000000, 0xff00005f, 0xff000087, 0xff0000af, 0xff0000d7, 0xff0000ff, 0xff005f00, 0xff005f5f, 0xff005f87, 0xff005faf, 0xff005fd7, 0xff005fff,
0xff008700, 0xff00875f, 0xff008787, 0xff0087af, 0xff0087d7, 0xff0087ff, 0xff00af00, 0xff00af5f, 0xff00af87, 0xff00afaf, 0xff00afd7, 0xff00afff,
0xff00d700, 0xff00d75f, 0xff00d787, 0xff00d7af, 0xff00d7d7, 0xff00d7ff, 0xff00ff00, 0xff00ff5f, 0xff00ff87, 0xff00ffaf, 0xff00ffd7, 0xff00ffff,
0xff5f0000, 0xff5f005f, 0xff5f0087, 0xff5f00af, 0xff5f00d7, 0xff5f00ff, 0xff5f5f00, 0xff5f5f5f, 0xff5f5f87, 0xff5f5faf, 0xff5f5fd7, 0xff5f5fff,
0xff5f8700, 0xff5f875f, 0xff5f8787, 0xff5f87af, 0xff5f87d7, 0xff5f87ff, 0xff5faf00, 0xff5faf5f, 0xff5faf87, 0xff5fafaf, 0xff5fafd7, 0xff5fafff,
0xff5fd700, 0xff5fd75f, 0xff5fd787, 0xff5fd7af, 0xff5fd7d7, 0xff5fd7ff, 0xff5fff00, 0xff5fff5f, 0xff5fff87, 0xff5fffaf, 0xff5fffd7, 0xff5fffff,
0xff870000, 0xff87005f, 0xff870087, 0xff8700af, 0xff8700d7, 0xff8700ff, 0xff875f00, 0xff875f5f, 0xff875f87, 0xff875faf, 0xff875fd7, 0xff875fff,
0xff878700, 0xff87875f, 0xff878787, 0xff8787af, 0xff8787d7, 0xff8787ff, 0xff87af00, 0xff87af5f, 0xff87af87, 0xff87afaf, 0xff87afd7, 0xff87afff,
0xff87d700, 0xff87d75f, 0xff87d787, 0xff87d7af, 0xff87d7d7, 0xff87d7ff, 0xff87ff00, 0xff87ff5f, 0xff87ff87, 0xff87ffaf, 0xff87ffd7, 0xff87ffff,
0xffaf0000, 0xffaf005f, 0xffaf0087, 0xffaf00af, 0xffaf00d7, 0xffaf00ff, 0xffaf5f00, 0xffaf5f5f, 0xffaf5f87, 0xffaf5faf, 0xffaf5fd7, 0xffaf5fff,
0xffaf8700, 0xffaf875f, 0xffaf8787, 0xffaf87af, 0xffaf87d7, 0xffaf87ff, 0xffafaf00, 0xffafaf5f, 0xffafaf87, 0xffafafaf, 0xffafafd7, 0xffafafff,
0xffafd700, 0xffafd75f, 0xffafd787, 0xffafd7af, 0xffafd7d7, 0xffafd7ff, 0xffafff00, 0xffafff5f, 0xffafff87, 0xffafffaf, 0xffafffd7, 0xffafffff,
0xffd70000, 0xffd7005f, 0xffd70087, 0xffd700af, 0xffd700d7, 0xffd700ff, 0xffd75f00, 0xffd75f5f, 0xffd75f87, 0xffd75faf, 0xffd75fd7, 0xffd75fff,
0xffd78700, 0xffd7875f, 0xffd78787, 0xffd787af, 0xffd787d7, 0xffd787ff, 0xffd7af00, 0xffd7af5f, 0xffd7af87, 0xffd7afaf, 0xffd7afd7, 0xffd7afff,
0xffd7d700, 0xffd7d75f, 0xffd7d787, 0xffd7d7af, 0xffd7d7d7, 0xffd7d7ff, 0xffd7ff00, 0xffd7ff5f, 0xffd7ff87, 0xffd7ffaf, 0xffd7ffd7, 0xffd7ffff,
0xffff0000, 0xffff005f, 0xffff0087, 0xffff00af, 0xffff00d7, 0xffff00ff, 0xffff5f00, 0xffff5f5f, 0xffff5f87, 0xffff5faf, 0xffff5fd7, 0xffff5fff,
0xffff8700, 0xffff875f, 0xffff8787, 0xffff87af, 0xffff87d7, 0xffff87ff, 0xffffaf00, 0xffffaf5f, 0xffffaf87, 0xffffafaf, 0xffffafd7, 0xffffafff,
0xffffd700, 0xffffd75f, 0xffffd787, 0xffffd7af, 0xffffd7d7, 0xffffd7ff, 0xffffff00, 0xffffff5f, 0xffffff87, 0xffffffaf, 0xffffffd7, 0xffffffff,
// 24 grey scale ramp:
0xff080808, 0xff121212, 0xff1c1c1c, 0xff262626, 0xff303030, 0xff3a3a3a, 0xff444444, 0xff4e4e4e, 0xff585858, 0xff626262, 0xff6c6c6c, 0xff767676,
0xff808080, 0xff8a8a8a, 0xff949494, 0xff9e9e9e, 0xffa8a8a8, 0xffb2b2b2, 0xffbcbcbc, 0xffc6c6c6, 0xffd0d0d0, 0xffdadada, 0xffe4e4e4, 0xffeeeeee,
// 24 grey scale ramp:
0xff080808, 0xff121212, 0xff1c1c1c, 0xff262626, 0xff303030, 0xff3a3a3a, 0xff444444, 0xff4e4e4e, 0xff585858, 0xff626262, 0xff6c6c6c, 0xff767676,
0xff808080, 0xff8a8a8a, 0xff949494, 0xff9e9e9e, 0xffa8a8a8, 0xffb2b2b2, 0xffbcbcbc, 0xffc6c6c6, 0xffd0d0d0, 0xffdadada, 0xffe4e4e4, 0xffeeeeee,
// COLOR_INDEX_DEFAULT_FOREGROUND, COLOR_INDEX_DEFAULT_BACKGROUND and COLOR_INDEX_DEFAULT_CURSOR:
0xffffffff, 0xff000000, 0xffffffff };
// COLOR_INDEX_DEFAULT_FOREGROUND, COLOR_INDEX_DEFAULT_BACKGROUND and COLOR_INDEX_DEFAULT_CURSOR:
0xffffffff, 0xff000000, 0xffffffff};
public final int[] mDefaultColors = new int[TextStyle.NUM_INDEXED_COLORS];
public final int[] mDefaultColors = new int[TextStyle.NUM_INDEXED_COLORS];
public TerminalColorScheme() {
reset();
}
public TerminalColorScheme() {
reset();
}
private void reset() {
System.arraycopy(DEFAULT_COLORSCHEME, 0, mDefaultColors, 0, TextStyle.NUM_INDEXED_COLORS);
}
private void reset() {
System.arraycopy(DEFAULT_COLORSCHEME, 0, mDefaultColors, 0, TextStyle.NUM_INDEXED_COLORS);
}
public void updateWith(Properties props) {
reset();
for (Map.Entry<Object, Object> entries : props.entrySet()) {
String key = (String) entries.getKey();
String value = (String) entries.getValue();
int colorIndex;
public void updateWith(Properties props) {
reset();
for (Map.Entry<Object, Object> entries : props.entrySet()) {
String key = (String) entries.getKey();
String value = (String) entries.getValue();
int colorIndex;
if (key.equals("foreground")) {
colorIndex = TextStyle.COLOR_INDEX_FOREGROUND;
} else if (key.equals("background")) {
colorIndex = TextStyle.COLOR_INDEX_BACKGROUND;
} else if (key.equals("cursor")) {
colorIndex = TextStyle.COLOR_INDEX_CURSOR;
} else if (key.startsWith("color")) {
try {
colorIndex = Integer.parseInt(key.substring(5));
} catch (NumberFormatException e) {
throw new IllegalArgumentException("Invalid property: '" + key + "'");
}
} else {
throw new IllegalArgumentException("Invalid property: '" + key + "'");
}
if (key.equals("foreground")) {
colorIndex = TextStyle.COLOR_INDEX_FOREGROUND;
} else if (key.equals("background")) {
colorIndex = TextStyle.COLOR_INDEX_BACKGROUND;
} else if (key.equals("cursor")) {
colorIndex = TextStyle.COLOR_INDEX_CURSOR;
} else if (key.startsWith("color")) {
try {
colorIndex = Integer.parseInt(key.substring(5));
} catch (NumberFormatException e) {
throw new IllegalArgumentException("Invalid property: '" + key + "'");
}
} else {
throw new IllegalArgumentException("Invalid property: '" + key + "'");
}
int colorValue = TerminalColors.parse(value);
if (colorValue == 0) throw new IllegalArgumentException("Property '" + key + "' has invalid color: '" + value + "'");
int colorValue = TerminalColors.parse(value);
if (colorValue == 0)
throw new IllegalArgumentException("Property '" + key + "' has invalid color: '" + value + "'");
mDefaultColors[colorIndex] = colorValue;
}
}
mDefaultColors[colorIndex] = colorValue;
}
}
}

122
app/src/main/java/com/termux/terminal/TerminalColors.java
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@ -3,74 +3,74 @@ package com.termux.terminal;
/** Current terminal colors (if different from default). */
public final class TerminalColors {
/** Static data - a bit ugly but ok for now. */
public static final TerminalColorScheme COLOR_SCHEME = new TerminalColorScheme();
/** Static data - a bit ugly but ok for now. */
public static final TerminalColorScheme COLOR_SCHEME = new TerminalColorScheme();
/**
* The current terminal colors, which are normally set from the color theme, but may be set dynamically with the OSC
* 4 control sequence.
*/
public final int[] mCurrentColors = new int[TextStyle.NUM_INDEXED_COLORS];
/**
* The current terminal colors, which are normally set from the color theme, but may be set dynamically with the OSC
* 4 control sequence.
*/
public final int[] mCurrentColors = new int[TextStyle.NUM_INDEXED_COLORS];
/** Create a new instance with default colors from the theme. */
public TerminalColors() {
reset();
}
/** Create a new instance with default colors from the theme. */
public TerminalColors() {
reset();
}
/** Reset a particular indexed color with the default color from the color theme. */
public void reset(int index) {
mCurrentColors[index] = COLOR_SCHEME.mDefaultColors[index];
}
/** Reset a particular indexed color with the default color from the color theme. */
public void reset(int index) {
mCurrentColors[index] = COLOR_SCHEME.mDefaultColors[index];
}
/** Reset all indexed colors with the default color from the color theme. */
public void reset() {
System.arraycopy(COLOR_SCHEME.mDefaultColors, 0, mCurrentColors, 0, TextStyle.NUM_INDEXED_COLORS);
}
/** Reset all indexed colors with the default color from the color theme. */
public void reset() {
System.arraycopy(COLOR_SCHEME.mDefaultColors, 0, mCurrentColors, 0, TextStyle.NUM_INDEXED_COLORS);
}
/**
* Parse color according to http://manpages.ubuntu.com/manpages/intrepid/man3/XQueryColor.3.html
*
* Highest bit is set if successful, so return value is 0xFF${R}${G}${B}. Return 0 if failed.
*/
static int parse(String c) {
try {
int skipInitial, skipBetween;
if (c.charAt(0) == '#') {
// #RGB, #RRGGBB, #RRRGGGBBB or #RRRRGGGGBBBB. Most significant bits.
skipInitial = 1;
skipBetween = 0;
} else if (c.startsWith("rgb:")) {
// rgb:<red>/<green>/<blue> where <red>, <green>, <blue> := h | hh | hhh | hhhh. Scaled.
skipInitial = 4;
skipBetween = 1;
} else {
return 0;
}
int charsForColors = c.length() - skipInitial - 2 * skipBetween;
if (charsForColors % 3 != 0) return 0; // Unequal lengths.
int componentLength = charsForColors / 3;
double mult = 255 / (Math.pow(2, componentLength * 4) - 1);
/**
* Parse color according to http://manpages.ubuntu.com/manpages/intrepid/man3/XQueryColor.3.html
* <p/>
* Highest bit is set if successful, so return value is 0xFF${R}${G}${B}. Return 0 if failed.
*/
static int parse(String c) {
try {
int skipInitial, skipBetween;
if (c.charAt(0) == '#') {
// #RGB, #RRGGBB, #RRRGGGBBB or #RRRRGGGGBBBB. Most significant bits.
skipInitial = 1;
skipBetween = 0;
} else if (c.startsWith("rgb:")) {
// rgb:<red>/<green>/<blue> where <red>, <green>, <blue> := h | hh | hhh | hhhh. Scaled.
skipInitial = 4;
skipBetween = 1;
} else {
return 0;
}
int charsForColors = c.length() - skipInitial - 2 * skipBetween;
if (charsForColors % 3 != 0) return 0; // Unequal lengths.
int componentLength = charsForColors / 3;
double mult = 255 / (Math.pow(2, componentLength * 4) - 1);
int currentPosition = skipInitial;
String rString = c.substring(currentPosition, currentPosition + componentLength);
currentPosition += componentLength + skipBetween;
String gString = c.substring(currentPosition, currentPosition + componentLength);
currentPosition += componentLength + skipBetween;
String bString = c.substring(currentPosition, currentPosition + componentLength);
int currentPosition = skipInitial;
String rString = c.substring(currentPosition, currentPosition + componentLength);
currentPosition += componentLength + skipBetween;
String gString = c.substring(currentPosition, currentPosition + componentLength);
currentPosition += componentLength + skipBetween;
String bString = c.substring(currentPosition, currentPosition + componentLength);
int r = (int) (Integer.parseInt(rString, 16) * mult);
int g = (int) (Integer.parseInt(gString, 16) * mult);
int b = (int) (Integer.parseInt(bString, 16) * mult);
return 0xFF << 24 | r << 16 | g << 8 | b;
} catch (NumberFormatException | IndexOutOfBoundsException e) {
return 0;
}
}
int r = (int) (Integer.parseInt(rString, 16) * mult);
int g = (int) (Integer.parseInt(gString, 16) * mult);
int b = (int) (Integer.parseInt(bString, 16) * mult);
return 0xFF << 24 | r << 16 | g << 8 | b;
} catch (NumberFormatException | IndexOutOfBoundsException e) {
return 0;
}
}
/** Try parse a color from a text parameter and into a specified index. */
public void tryParseColor(int intoIndex, String textParameter) {
int c = parse(textParameter);
if (c != 0) mCurrentColors[intoIndex] = c;
}
/** Try parse a color from a text parameter and into a specified index. */
public void tryParseColor(int intoIndex, String textParameter) {
int c = parse(textParameter);
if (c != 0) mCurrentColors[intoIndex] = c;
}
}

4387
app/src/main/java/com/termux/terminal/TerminalEmulator.java
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File diff suppressed because it is too large Load Diff

26
app/src/main/java/com/termux/terminal/TerminalOutput.java
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@ -5,23 +5,23 @@ import java.nio.charset.StandardCharsets;
/** A client which receives callbacks from events triggered by feeding input to a {@link TerminalEmulator}. */
public abstract class TerminalOutput {
/** Write a string using the UTF-8 encoding to the terminal client. */
public final void write(String data) {
byte[] bytes = data.getBytes(StandardCharsets.UTF_8);
write(bytes, 0, bytes.length);
}
/** Write a string using the UTF-8 encoding to the terminal client. */
public final void write(String data) {
byte[] bytes = data.getBytes(StandardCharsets.UTF_8);
write(bytes, 0, bytes.length);
}
/** Write bytes to the terminal client. */
public abstract void write(byte[] data, int offset, int count);
/** Write bytes to the terminal client. */
public abstract void write(byte[] data, int offset, int count);
/** Notify the terminal client that the terminal title has changed. */
public abstract void titleChanged(String oldTitle, String newTitle);
/** Notify the terminal client that the terminal title has changed. */
public abstract void titleChanged(String oldTitle, String newTitle);
/** Notify the terminal client that the terminal title has changed. */
public abstract void clipboardText(String text);
/** Notify the terminal client that the terminal title has changed. */
public abstract void clipboardText(String text);
/** Notify the terminal client that a bell character (ASCII 7, bell, BEL, \a, ^G)) has been received. */
public abstract void onBell();
/** Notify the terminal client that a bell character (ASCII 7, bell, BEL, \a, ^G)) has been received. */
public abstract void onBell();
public abstract void onColorsChanged();

394
app/src/main/java/com/termux/terminal/TerminalRow.java
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@ -4,229 +4,229 @@ import java.util.Arrays;
/**
* A row in a terminal, composed of a fixed number of cells.
*
* <p/>
* The text in the row is stored in a char[] array, {@link #mText}, for quick access during rendering.
*/
public final class TerminalRow {
private static final float SPARE_CAPACITY_FACTOR = 1.5f;
private static final float SPARE_CAPACITY_FACTOR = 1.5f;
/** The number of columns in this terminal row. */
private final int mColumns;
/** The text filling this terminal row. */
public char[] mText;
/** The number of java char:s used in {@link #mText}. */
private short mSpaceUsed;
/** If this row has been line wrapped due to text output at the end of line. */
boolean mLineWrap;
/** The style bits of each cell in the row. See {@link TextStyle}. */
final int[] mStyle;
/** The number of columns in this terminal row. */
private final int mColumns;
/** The text filling this terminal row. */
public char[] mText;
/** The number of java char:s used in {@link #mText}. */
private short mSpaceUsed;
/** If this row has been line wrapped due to text output at the end of line. */
boolean mLineWrap;
/** The style bits of each cell in the row. See {@link TextStyle}. */
final int[] mStyle;
/** Construct a blank row (containing only whitespace, ' ') with a specified style. */
public TerminalRow(int columns, int style) {
mColumns = columns;
mText = new char[(int) (SPARE_CAPACITY_FACTOR * columns)];
mStyle = new int[columns];
clear(style);
}
/** Construct a blank row (containing only whitespace, ' ') with a specified style. */
public TerminalRow(int columns, int style) {
mColumns = columns;
mText = new char[(int) (SPARE_CAPACITY_FACTOR * columns)];
mStyle = new int[columns];
clear(style);
}
/** NOTE: The sourceX2 is exclusive. */
public void copyInterval(TerminalRow line, int sourceX1, int sourceX2, int destinationX) {
final int x1 = line.findStartOfColumn(sourceX1);
final int x2 = line.findStartOfColumn(sourceX2);
boolean startingFromSecondHalfOfWideChar = (sourceX1 > 0 && line.wideDisplayCharacterStartingAt(sourceX1 - 1));
final char[] sourceChars = (this == line) ? Arrays.copyOf(line.mText, line.mText.length) : line.mText;
int latestNonCombiningWidth = 0;
for (int i = x1; i < x2; i++) {
char sourceChar = sourceChars[i];
int codePoint = Character.isHighSurrogate(sourceChar) ? Character.toCodePoint(sourceChar, sourceChars[++i]) : sourceChar;
if (startingFromSecondHalfOfWideChar) {
// Just treat copying second half of wide char as copying whitespace.
codePoint = ' ';
startingFromSecondHalfOfWideChar = false;
}
int w = WcWidth.width(codePoint);
if (w > 0) {
destinationX += latestNonCombiningWidth;
sourceX1 += latestNonCombiningWidth;
latestNonCombiningWidth = w;
}
setChar(destinationX, codePoint, line.getStyle(sourceX1));
}
}
/** NOTE: The sourceX2 is exclusive. */
public void copyInterval(TerminalRow line, int sourceX1, int sourceX2, int destinationX) {
final int x1 = line.findStartOfColumn(sourceX1);
final int x2 = line.findStartOfColumn(sourceX2);
boolean startingFromSecondHalfOfWideChar = (sourceX1 > 0 && line.wideDisplayCharacterStartingAt(sourceX1 - 1));
final char[] sourceChars = (this == line) ? Arrays.copyOf(line.mText, line.mText.length) : line.mText;
int latestNonCombiningWidth = 0;
for (int i = x1; i < x2; i++) {
char sourceChar = sourceChars[i];
int codePoint = Character.isHighSurrogate(sourceChar) ? Character.toCodePoint(sourceChar, sourceChars[++i]) : sourceChar;
if (startingFromSecondHalfOfWideChar) {
// Just treat copying second half of wide char as copying whitespace.
codePoint = ' ';
startingFromSecondHalfOfWideChar = false;
}
int w = WcWidth.width(codePoint);
if (w > 0) {
destinationX += latestNonCombiningWidth;
sourceX1 += latestNonCombiningWidth;
latestNonCombiningWidth = w;
}
setChar(destinationX, codePoint, line.getStyle(sourceX1));
}
}
public int getSpaceUsed() {
return mSpaceUsed;
}
public int getSpaceUsed() {
return mSpaceUsed;
}
/** Note that the column may end of second half of wide character. */
public int findStartOfColumn(int column) {
if (column == mColumns) return getSpaceUsed();
/** Note that the column may end of second half of wide character. */
public int findStartOfColumn(int column) {
if (column == mColumns) return getSpaceUsed();
int currentColumn = 0;
int currentCharIndex = 0;
while (true) { // 0<2 1 < 2
int newCharIndex = currentCharIndex;
char c = mText[newCharIndex++]; // cci=1, cci=2
boolean isHigh = Character.isHighSurrogate(c);
int codePoint = isHigh ? Character.toCodePoint(c, mText[newCharIndex++]) : c;
int wcwidth = WcWidth.width(codePoint); // 1, 2
if (wcwidth > 0) {
currentColumn += wcwidth;
if (currentColumn == column) {
while (newCharIndex < mSpaceUsed) {
// Skip combining chars.
if (Character.isHighSurrogate(mText[newCharIndex])) {
if (WcWidth.width(Character.toCodePoint(mText[newCharIndex], mText[newCharIndex + 1])) <= 0) {
newCharIndex += 2;
} else {
break;
}
} else if (WcWidth.width(mText[newCharIndex]) <= 0) {
newCharIndex++;
} else {
break;
}
}
return newCharIndex;
} else if (currentColumn > column) {
// Wide column going past end.
return currentCharIndex;
}
}
currentCharIndex = newCharIndex;
}
}
int currentColumn = 0;
int currentCharIndex = 0;
while (true) { // 0<2 1 < 2
int newCharIndex = currentCharIndex;
char c = mText[newCharIndex++]; // cci=1, cci=2
boolean isHigh = Character.isHighSurrogate(c);
int codePoint = isHigh ? Character.toCodePoint(c, mText[newCharIndex++]) : c;
int wcwidth = WcWidth.width(codePoint); // 1, 2
if (wcwidth > 0) {
currentColumn += wcwidth;
if (currentColumn == column) {
while (newCharIndex < mSpaceUsed) {
// Skip combining chars.
if (Character.isHighSurrogate(mText[newCharIndex])) {
if (WcWidth.width(Character.toCodePoint(mText[newCharIndex], mText[newCharIndex + 1])) <= 0) {
newCharIndex += 2;
} else {
break;
}
} else if (WcWidth.width(mText[newCharIndex]) <= 0) {
newCharIndex++;
} else {
break;
}
}
return newCharIndex;
} else if (currentColumn > column) {
// Wide column going past end.
return currentCharIndex;
}
}
currentCharIndex = newCharIndex;
}
}
private boolean wideDisplayCharacterStartingAt(int column) {
for (int currentCharIndex = 0, currentColumn = 0; currentCharIndex < mSpaceUsed;) {
char c = mText[currentCharIndex++];
int codePoint = Character.isHighSurrogate(c) ? Character.toCodePoint(c, mText[currentCharIndex++]) : c;
int wcwidth = WcWidth.width(codePoint);
if (wcwidth > 0) {
if (currentColumn == column && wcwidth == 2) return true;
currentColumn += wcwidth;
if (currentColumn > column) return false;
}
}
return false;
}
private boolean wideDisplayCharacterStartingAt(int column) {
for (int currentCharIndex = 0, currentColumn = 0; currentCharIndex < mSpaceUsed; ) {
char c = mText[currentCharIndex++];
int codePoint = Character.isHighSurrogate(c) ? Character.toCodePoint(c, mText[currentCharIndex++]) : c;
int wcwidth = WcWidth.width(codePoint);
if (wcwidth > 0) {
if (currentColumn == column && wcwidth == 2) return true;
currentColumn += wcwidth;
if (currentColumn > column) return false;
}
}
return false;
}
public void clear(int style) {
Arrays.fill(mText, ' ');
Arrays.fill(mStyle, style);
mSpaceUsed = (short) mColumns;
}
public void clear(int style) {
Arrays.fill(mText, ' ');
Arrays.fill(mStyle, style);
mSpaceUsed = (short) mColumns;
}
// https://github.com/steven676/Android-Terminal-Emulator/commit/9a47042620bec87617f0b4f5d50568535668fe26
public void setChar(int columnToSet, int codePoint, int style) {
mStyle[columnToSet] = style;
// https://github.com/steven676/Android-Terminal-Emulator/commit/9a47042620bec87617f0b4f5d50568535668fe26
public void setChar(int columnToSet, int codePoint, int style) {
mStyle[columnToSet] = style;
final int newCodePointDisplayWidth = WcWidth.width(codePoint);
final boolean newIsCombining = newCodePointDisplayWidth <= 0;
final int newCodePointDisplayWidth = WcWidth.width(codePoint);
final boolean newIsCombining = newCodePointDisplayWidth <= 0;
boolean wasExtraColForWideChar = (columnToSet > 0) && wideDisplayCharacterStartingAt(columnToSet - 1);
boolean wasExtraColForWideChar = (columnToSet > 0) && wideDisplayCharacterStartingAt(columnToSet - 1);
if (newIsCombining) {
// When standing at second half of wide character and inserting combining:
if (wasExtraColForWideChar) columnToSet--;
} else {
// Check if we are overwriting the second half of a wide character starting at the previous column:
if (wasExtraColForWideChar) setChar(columnToSet - 1, ' ', style);
// Check if we are overwriting the first half of a wide character starting at the next column:
boolean overwritingWideCharInNextColumn = newCodePointDisplayWidth == 2 && wideDisplayCharacterStartingAt(columnToSet + 1);
if (overwritingWideCharInNextColumn) setChar(columnToSet + 1, ' ', style);
}
if (newIsCombining) {
// When standing at second half of wide character and inserting combining:
if (wasExtraColForWideChar) columnToSet--;
} else {
// Check if we are overwriting the second half of a wide character starting at the previous column:
if (wasExtraColForWideChar) setChar(columnToSet - 1, ' ', style);
// Check if we are overwriting the first half of a wide character starting at the next column:
boolean overwritingWideCharInNextColumn = newCodePointDisplayWidth == 2 && wideDisplayCharacterStartingAt(columnToSet + 1);
if (overwritingWideCharInNextColumn) setChar(columnToSet + 1, ' ', style);
}
char[] text = mText;
final int oldStartOfColumnIndex = findStartOfColumn(columnToSet);
final int oldCodePointDisplayWidth = WcWidth.width(text, oldStartOfColumnIndex);
char[] text = mText;
final int oldStartOfColumnIndex = findStartOfColumn(columnToSet);
final int oldCodePointDisplayWidth = WcWidth.width(text, oldStartOfColumnIndex);
// Get the number of elements in the mText array this column uses now
int oldCharactersUsedForColumn;
if (columnToSet + oldCodePointDisplayWidth < mColumns) {
oldCharactersUsedForColumn = findStartOfColumn(columnToSet + oldCodePointDisplayWidth) - oldStartOfColumnIndex;
} else {
// Last character.
oldCharactersUsedForColumn = mSpaceUsed - oldStartOfColumnIndex;
}
// Get the number of elements in the mText array this column uses now
int oldCharactersUsedForColumn;
if (columnToSet + oldCodePointDisplayWidth < mColumns) {
oldCharactersUsedForColumn = findStartOfColumn(columnToSet + oldCodePointDisplayWidth) - oldStartOfColumnIndex;
} else {
// Last character.
oldCharactersUsedForColumn = mSpaceUsed - oldStartOfColumnIndex;
}
// Find how many chars this column will need
int newCharactersUsedForColumn = Character.charCount(codePoint);
if (newIsCombining) {
// Combining characters are added to the contents of the column instead of overwriting them, so that they
// modify the existing contents.
// FIXME: Put a limit of combining characters.
// FIXME: Unassigned characters also get width=0.
newCharactersUsedForColumn += oldCharactersUsedForColumn;
}
// Find how many chars this column will need
int newCharactersUsedForColumn = Character.charCount(codePoint);
if (newIsCombining) {
// Combining characters are added to the contents of the column instead of overwriting them, so that they
// modify the existing contents.
// FIXME: Put a limit of combining characters.
// FIXME: Unassigned characters also get width=0.
newCharactersUsedForColumn += oldCharactersUsedForColumn;
}
int oldNextColumnIndex = oldStartOfColumnIndex + oldCharactersUsedForColumn;
int newNextColumnIndex = oldStartOfColumnIndex + newCharactersUsedForColumn;
int oldNextColumnIndex = oldStartOfColumnIndex + oldCharactersUsedForColumn;
int newNextColumnIndex = oldStartOfColumnIndex + newCharactersUsedForColumn;
final int javaCharDifference = newCharactersUsedForColumn - oldCharactersUsedForColumn;
if (javaCharDifference > 0) {
// Shift the rest of the line right.
int oldCharactersAfterColumn = mSpaceUsed - oldNextColumnIndex;
if (mSpaceUsed + javaCharDifference > text.length) {
// We need to grow the array
char[] newText = new char[text.length + mColumns];
System.arraycopy(text, 0, newText, 0, oldStartOfColumnIndex + oldCharactersUsedForColumn);
System.arraycopy(text, oldNextColumnIndex, newText, newNextColumnIndex, oldCharactersAfterColumn);
mText = text = newText;
} else {
System.arraycopy(text, oldNextColumnIndex, text, newNextColumnIndex, oldCharactersAfterColumn);
}
} else if (javaCharDifference < 0) {
// Shift the rest of the line left.
System.arraycopy(text, oldNextColumnIndex, text, newNextColumnIndex, mSpaceUsed - oldNextColumnIndex);
}
mSpaceUsed += javaCharDifference;
final int javaCharDifference = newCharactersUsedForColumn - oldCharactersUsedForColumn;
if (javaCharDifference > 0) {
// Shift the rest of the line right.
int oldCharactersAfterColumn = mSpaceUsed - oldNextColumnIndex;
if (mSpaceUsed + javaCharDifference > text.length) {
// We need to grow the array
char[] newText = new char[text.length + mColumns];
System.arraycopy(text, 0, newText, 0, oldStartOfColumnIndex + oldCharactersUsedForColumn);
System.arraycopy(text, oldNextColumnIndex, newText, newNextColumnIndex, oldCharactersAfterColumn);
mText = text = newText;
} else {
System.arraycopy(text, oldNextColumnIndex, text, newNextColumnIndex, oldCharactersAfterColumn);
}
} else if (javaCharDifference < 0) {
// Shift the rest of the line left.
System.arraycopy(text, oldNextColumnIndex, text, newNextColumnIndex, mSpaceUsed - oldNextColumnIndex);
}
mSpaceUsed += javaCharDifference;
// Store char. A combining character is stored at the end of the existing contents so that it modifies them:
//noinspection ResultOfMethodCallIgnored - since we already now how many java chars is used.
Character.toChars(codePoint, text, oldStartOfColumnIndex + (newIsCombining ? oldCharactersUsedForColumn : 0));
// Store char. A combining character is stored at the end of the existing contents so that it modifies them:
//noinspection ResultOfMethodCallIgnored - since we already now how many java chars is used.
Character.toChars(codePoint, text, oldStartOfColumnIndex + (newIsCombining ? oldCharactersUsedForColumn : 0));
if (oldCodePointDisplayWidth == 2 && newCodePointDisplayWidth == 1) {
// Replace second half of wide char with a space. Which mean that we actually add a ' ' java character.
if (mSpaceUsed + 1 > text.length) {
char[] newText = new char[text.length + mColumns];
System.arraycopy(text, 0, newText, 0, newNextColumnIndex);
System.arraycopy(text, newNextColumnIndex, newText, newNextColumnIndex + 1, mSpaceUsed - newNextColumnIndex);
mText = text = newText;
} else {
System.arraycopy(text, newNextColumnIndex, text, newNextColumnIndex + 1, mSpaceUsed - newNextColumnIndex);
}
text[newNextColumnIndex] = ' ';
if (oldCodePointDisplayWidth == 2 && newCodePointDisplayWidth == 1) {
// Replace second half of wide char with a space. Which mean that we actually add a ' ' java character.
if (mSpaceUsed + 1 > text.length) {
char[] newText = new char[text.length + mColumns];
System.arraycopy(text, 0, newText, 0, newNextColumnIndex);
System.arraycopy(text, newNextColumnIndex, newText, newNextColumnIndex + 1, mSpaceUsed - newNextColumnIndex);
mText = text = newText;
} else {
System.arraycopy(text, newNextColumnIndex, text, newNextColumnIndex + 1, mSpaceUsed - newNextColumnIndex);
}
text[newNextColumnIndex] = ' ';
++mSpaceUsed;
} else if (oldCodePointDisplayWidth == 1 && newCodePointDisplayWidth == 2) {
if (columnToSet == mColumns - 1) {
throw new IllegalArgumentException("Cannot put wide character in last column");
} else if (columnToSet == mColumns - 2) {
// Truncate the line to the second part of this wide char:
mSpaceUsed = (short) newNextColumnIndex;
} else {
// Overwrite the contents of the next column, which mean we actually remove java characters. Due to the
// check at the beginning of this method we know that we are not overwriting a wide char.
int newNextNextColumnIndex = newNextColumnIndex + (Character.isHighSurrogate(mText[newNextColumnIndex]) ? 2 : 1);
int nextLen = newNextNextColumnIndex - newNextColumnIndex;
++mSpaceUsed;
} else if (oldCodePointDisplayWidth == 1 && newCodePointDisplayWidth == 2) {
if (columnToSet == mColumns - 1) {
throw new IllegalArgumentException("Cannot put wide character in last column");
} else if (columnToSet == mColumns - 2) {
// Truncate the line to the second part of this wide char:
mSpaceUsed = (short) newNextColumnIndex;
} else {
// Overwrite the contents of the next column, which mean we actually remove java characters. Due to the
// check at the beginning of this method we know that we are not overwriting a wide char.
int newNextNextColumnIndex = newNextColumnIndex + (Character.isHighSurrogate(mText[newNextColumnIndex]) ? 2 : 1);
int nextLen = newNextNextColumnIndex - newNextColumnIndex;
// Shift the array leftwards.
System.arraycopy(text, newNextNextColumnIndex, text, newNextColumnIndex, mSpaceUsed - newNextNextColumnIndex);
mSpaceUsed -= nextLen;
}
}
}
// Shift the array leftwards.
System.arraycopy(text, newNextNextColumnIndex, text, newNextColumnIndex, mSpaceUsed - newNextNextColumnIndex);
mSpaceUsed -= nextLen;
}
}
}
boolean isBlank() {
for (int charIndex = 0, charLen = getSpaceUsed(); charIndex < charLen; charIndex++)
if (mText[charIndex] != ' ') return false;
return true;
}
boolean isBlank() {
for (int charIndex = 0, charLen = getSpaceUsed(); charIndex < charLen; charIndex++)
if (mText[charIndex] != ' ') return false;
return true;
}
public final int getStyle(int column) {
return mStyle[column];
}
public final int getStyle(int column) {
return mStyle[column];
}
}

462
app/src/main/java/com/termux/terminal/TerminalSession.java
View File

@ -19,202 +19,200 @@ import java.util.UUID;
/**
* A terminal session, consisting of a process coupled to a terminal interface.
* <p>
* <p/>
* The subprocess will be executed by the constructor, and when the size is made known by a call to
* {@link #updateSize(int, int)} terminal emulation will begin and threads will be spawned to handle the subprocess I/O.
* All terminal emulation and callback methods will be performed on the main thread.
* <p>
* <p/>
* The child process may be exited forcefully by using the {@link #finishIfRunning()} method.
*
* <p/>
* NOTE: The terminal session may outlive the EmulatorView, so be careful with callbacks!
*/
public final class TerminalSession extends TerminalOutput {
/** Callback to be invoked when a {@link TerminalSession} changes. */
public interface SessionChangedCallback {
void onTextChanged(TerminalSession changedSession);
/** Callback to be invoked when a {@link TerminalSession} changes. */
public interface SessionChangedCallback {
void onTextChanged(TerminalSession changedSession);
void onTitleChanged(TerminalSession changedSession);
void onTitleChanged(TerminalSession changedSession);
void onSessionFinished(TerminalSession finishedSession);
void onSessionFinished(TerminalSession finishedSession);
void onClipboardText(TerminalSession session, String text);
void onClipboardText(TerminalSession session, String text);
void onBell(TerminalSession session);
void onBell(TerminalSession session);
void onColorsChanged(TerminalSession session);
}
}
private static FileDescriptor wrapFileDescriptor(int fileDescriptor) {
FileDescriptor result = new FileDescriptor();
try {
Field descriptorField;
try {
descriptorField = FileDescriptor.class.getDeclaredField("descriptor");
} catch (NoSuchFieldException e) {
// For desktop java:
descriptorField = FileDescriptor.class.getDeclaredField("fd");
}
descriptorField.setAccessible(true);
descriptorField.set(result, fileDescriptor);
} catch (NoSuchFieldException | IllegalAccessException | IllegalArgumentException e) {
Log.wtf(EmulatorDebug.LOG_TAG, "Error accessing FileDescriptor#descriptor private field", e);
System.exit(1);
}
return result;
}
private static FileDescriptor wrapFileDescriptor(int fileDescriptor) {
FileDescriptor result = new FileDescriptor();
try {
Field descriptorField;
try {
descriptorField = FileDescriptor.class.getDeclaredField("descriptor");
} catch (NoSuchFieldException e) {
// For desktop java:
descriptorField = FileDescriptor.class.getDeclaredField("fd");
}
descriptorField.setAccessible(true);
descriptorField.set(result, fileDescriptor);
} catch (NoSuchFieldException | IllegalAccessException | IllegalArgumentException e) {
Log.wtf(EmulatorDebug.LOG_TAG, "Error accessing FileDescriptor#descriptor private field", e);
System.exit(1);
}
return result;
}
private static final int MSG_NEW_INPUT = 1;
private static final int MSG_PROCESS_EXITED = 4;
private static final int MSG_NEW_INPUT = 1;
private static final int MSG_PROCESS_EXITED = 4;
public final String mHandle = UUID.randomUUID().toString();
public final String mHandle = UUID.randomUUID().toString();
TerminalEmulator mEmulator;
TerminalEmulator mEmulator;
/**
* A queue written to from a separate thread when the process outputs, and read by main thread to process by
* terminal emulator.
*/
final ByteQueue mProcessToTerminalIOQueue = new ByteQueue(4096);
/**
* A queue written to from the main thread due to user interaction, and read by another thread which forwards by
* writing to the {@link #mTerminalFileDescriptor}.
*/
final ByteQueue mTerminalToProcessIOQueue = new ByteQueue(4096);
/** Buffer to write translate code points into utf8 before writing to mTerminalToProcessIOQueue */
private final byte[] mUtf8InputBuffer = new byte[5];
/**
* A queue written to from a separate thread when the process outputs, and read by main thread to process by
* terminal emulator.
*/
final ByteQueue mProcessToTerminalIOQueue = new ByteQueue(4096);
/**
* A queue written to from the main thread due to user interaction, and read by another thread which forwards by
* writing to the {@link #mTerminalFileDescriptor}.
*/
final ByteQueue mTerminalToProcessIOQueue = new ByteQueue(4096);
/** Buffer to write translate code points into utf8 before writing to mTerminalToProcessIOQueue */
private final byte[] mUtf8InputBuffer = new byte[5];
/** Callback which gets notified when a session finishes or changes title. */
final SessionChangedCallback mChangeCallback;
/** Callback which gets notified when a session finishes or changes title. */
final SessionChangedCallback mChangeCallback;
/** The pid of the shell process. 0 if not started and -1 if finished running. */
int mShellPid;
/** The pid of the shell process. 0 if not started and -1 if finished running. */
int mShellPid;
/** The exit status of the shell process. Only valid if ${@link #mShellPid} is -1. */
int mShellExitStatus;
/** The exit status of the shell process. Only valid if ${@link #mShellPid} is -1. */
int mShellExitStatus;
/**
* The file descriptor referencing the master half of a pseudo-terminal pair, resulting from calling
* {@link JNI#createSubprocess(String, String, String[], String[], int[], int, int)}.
*/
private int mTerminalFileDescriptor;
/**
* The file descriptor referencing the master half of a pseudo-terminal pair, resulting from calling
* {@link JNI#createSubprocess(String, String, String[], String[], int[], int, int)}.
*/
private int mTerminalFileDescriptor;
/** Set by the application for user identification of session, not by terminal. */
public String mSessionName;
/** Set by the application for user identification of session, not by terminal. */
public String mSessionName;
@SuppressLint("HandlerLeak")
final Handler mMainThreadHandler = new Handler() {
final byte[] mReceiveBuffer = new byte[4 * 1024];
@SuppressLint("HandlerLeak")
final Handler mMainThreadHandler = new Handler() {
final byte[] mReceiveBuffer = new byte[4 * 1024];
@Override
public void handleMessage(Message msg) {
if (msg.what == MSG_NEW_INPUT && isRunning()) {
int bytesRead = mProcessToTerminalIOQueue.read(mReceiveBuffer, false);
if (bytesRead > 0) {
mEmulator.append(mReceiveBuffer, bytesRead);
notifyScreenUpdate();
}
} else if (msg.what == MSG_PROCESS_EXITED) {
int exitCode = (Integer) msg.obj;
cleanupResources(exitCode);
mChangeCallback.onSessionFinished(TerminalSession.this);
@Override
public void handleMessage(Message msg) {
if (msg.what == MSG_NEW_INPUT && isRunning()) {
int bytesRead = mProcessToTerminalIOQueue.read(mReceiveBuffer, false);
if (bytesRead > 0) {
mEmulator.append(mReceiveBuffer, bytesRead);
notifyScreenUpdate();
}
} else if (msg.what == MSG_PROCESS_EXITED) {
int exitCode = (Integer) msg.obj;
cleanupResources(exitCode);
mChangeCallback.onSessionFinished(TerminalSession.this);
String exitDescription = "\r\n[Process completed";
if (exitCode > 0) {
// Non-zero process exit.
exitDescription += " with code " + exitCode;
} else if (exitCode < 0) {
// Negated signal.
exitDescription += " with signal " + (-exitCode);
}
exitDescription += " - press Enter to close]";
String exitDescription = "\r\n[Process completed";
if (exitCode > 0) {
// Non-zero process exit.
exitDescription += " with code " + exitCode;
} else if (exitCode < 0) {
// Negated signal.
exitDescription += " with signal " + (-exitCode);
}
exitDescription += " - press Enter to close]";
byte[] bytesToWrite = exitDescription.getBytes(StandardCharsets.UTF_8);
mEmulator.append(bytesToWrite, bytesToWrite.length);
notifyScreenUpdate();
}
}
};
byte[] bytesToWrite = exitDescription.getBytes(StandardCharsets.UTF_8);
mEmulator.append(bytesToWrite, bytesToWrite.length);
notifyScreenUpdate();
}
}
};
private final String mShellPath;
private final String mCwd;
private final String[] mArgs;
private final String[] mEnv;
private final String mShellPath;
private final String mCwd;
private final String[] mArgs;
private final String[] mEnv;
public TerminalSession(String shellPath, String cwd, String[] args, String[] env, SessionChangedCallback changeCallback) {
mChangeCallback = changeCallback;
public TerminalSession(String shellPath, String cwd, String[] args, String[] env, SessionChangedCallback changeCallback) {
mChangeCallback = changeCallback;
this.mShellPath = shellPath;
this.mCwd = cwd;
this.mArgs = args;
this.mEnv = env;
}
this.mShellPath = shellPath;
this.mCwd = cwd;
this.mArgs = args;
this.mEnv = env;
}
/** Inform the attached pty of the new size and reflow or initialize the emulator. */
public void updateSize(int columns, int rows) {
if (mEmulator == null) {
initializeEmulator(columns, rows);
} else {
JNI.setPtyWindowSize(mTerminalFileDescriptor, rows, columns);
mEmulator.resize(columns, rows);
}
}
/** Inform the attached pty of the new size and reflow or initialize the emulator. */
public void updateSize(int columns, int rows) {
if (mEmulator == null) {
initializeEmulator(columns, rows);
} else {
JNI.setPtyWindowSize(mTerminalFileDescriptor, rows, columns);
mEmulator.resize(columns, rows);
}
}
/** The terminal title as set through escape sequences or null if none set. */
public String getTitle() {
return (mEmulator == null) ? null : mEmulator.getTitle();
}
/** The terminal title as set through escape sequences or null if none set. */
public String getTitle() {
return (mEmulator == null) ? null : mEmulator.getTitle();
}
/**
* Set the terminal emulator's window size and start terminal emulation.
*
* @param columns
* The number of columns in the terminal window.
* @param rows
* The number of rows in the terminal window.
*/
public void initializeEmulator(int columns, int rows) {
mEmulator = new TerminalEmulator(this, columns, rows, /* transcript= */5000);
/**
* Set the terminal emulator's window size and start terminal emulation.
*
* @param columns The number of columns in the terminal window.
* @param rows The number of rows in the terminal window.
*/
public void initializeEmulator(int columns, int rows) {
mEmulator = new TerminalEmulator(this, columns, rows, /* transcript= */5000);
int[] processId = new int[1];
mTerminalFileDescriptor = JNI.createSubprocess(mShellPath, mCwd, mArgs, mEnv, processId, rows, columns);
mShellPid = processId[0];
int[] processId = new int[1];
mTerminalFileDescriptor = JNI.createSubprocess(mShellPath, mCwd, mArgs, mEnv, processId, rows, columns);
mShellPid = processId[0];
final FileDescriptor terminalFileDescriptorWrapped = wrapFileDescriptor(mTerminalFileDescriptor);
final FileDescriptor terminalFileDescriptorWrapped = wrapFileDescriptor(mTerminalFileDescriptor);
new Thread("TermSessionInputReader[pid=" + mShellPid + "]") {
@Override
public void run() {
try (InputStream termIn = new FileInputStream(terminalFileDescriptorWrapped)) {
final byte[] buffer = new byte[4096];
while (true) {
int read = termIn.read(buffer);
if (read == -1) return;
if (!mProcessToTerminalIOQueue.write(buffer, 0, read)) return;
mMainThreadHandler.sendEmptyMessage(MSG_NEW_INPUT);
}
} catch (Exception e) {
// Ignore, just shutting down.
}
}
}.start();
new Thread("TermSessionInputReader[pid=" + mShellPid + "]") {
@Override
public void run() {
try (InputStream termIn = new FileInputStream(terminalFileDescriptorWrapped)) {
final byte[] buffer = new byte[4096];
while (true) {
int read = termIn.read(buffer);
if (read == -1) return;
if (!mProcessToTerminalIOQueue.write(buffer, 0, read)) return;
mMainThreadHandler.sendEmptyMessage(MSG_NEW_INPUT);
}
} catch (Exception e) {
// Ignore, just shutting down.
}
}
}.start();
new Thread("TermSessionOutputWriter[pid=" + mShellPid + "]") {
@Override
public void run() {
final byte[] buffer = new byte[4096];
try (FileOutputStream termOut = new FileOutputStream(terminalFileDescriptorWrapped)) {
while (true) {
int bytesToWrite = mTerminalToProcessIOQueue.read(buffer, true);
if (bytesToWrite == -1) return;
termOut.write(buffer, 0, bytesToWrite);
}
} catch (IOException e) {
// Ignore.
}
}
}.start();
new Thread("TermSessionOutputWriter[pid=" + mShellPid + "]") {
@Override
public void run() {
final byte[] buffer = new byte[4096];
try (FileOutputStream termOut = new FileOutputStream(terminalFileDescriptorWrapped)) {
while (true) {
int bytesToWrite = mTerminalToProcessIOQueue.read(buffer, true);
if (bytesToWrite == -1) return;
termOut.write(buffer, 0, bytesToWrite);
}
} catch (IOException e) {
// Ignore.
}
}
}.start();
new Thread("TermSessionWaiter[pid=" + mShellPid + "]") {
@Override
@ -226,63 +224,63 @@ public final class TerminalSession extends TerminalOutput {
}
/** Write data to the shell process. */
@Override
public void write(byte[] data, int offset, int count) {
if (mShellPid > 0) mTerminalToProcessIOQueue.write(data, offset, count);
}
/** Write data to the shell process. */
@Override
public void write(byte[] data, int offset, int count) {
if (mShellPid > 0) mTerminalToProcessIOQueue.write(data, offset, count);
}
/** Write the Unicode code point to the terminal encoded in UTF-8. */
public void writeCodePoint(boolean prependEscape, int codePoint) {
if (codePoint > 1114111 || (codePoint >= 0xD800 && codePoint <= 0xDFFF)) {
// 1114111 (= 2**16 + 1024**2 - 1) is the highest code point, [0xD800,0xDFFF] is the surrogate range.
throw new IllegalArgumentException("Invalid code point: " + codePoint);
}
/** Write the Unicode code point to the terminal encoded in UTF-8. */
public void writeCodePoint(boolean prependEscape, int codePoint) {
if (codePoint > 1114111 || (codePoint >= 0xD800 && codePoint <= 0xDFFF)) {
// 1114111 (= 2**16 + 1024**2 - 1) is the highest code point, [0xD800,0xDFFF] is the surrogate range.
throw new IllegalArgumentException("Invalid code point: " + codePoint);
}
int bufferPosition = 0;
if (prependEscape) mUtf8InputBuffer[bufferPosition++] = 27;
int bufferPosition = 0;
if (prependEscape) mUtf8InputBuffer[bufferPosition++] = 27;
if (codePoint <= /* 7 bits */0b1111111) {
mUtf8InputBuffer[bufferPosition++] = (byte) codePoint;
} else if (codePoint <= /* 11 bits */0b11111111111) {
/* 110xxxxx leading byte with leading 5 bits */
mUtf8InputBuffer[bufferPosition++] = (byte) (0b11000000 | (codePoint >> 6));
if (codePoint <= /* 7 bits */0b1111111) {
mUtf8InputBuffer[bufferPosition++] = (byte) codePoint;
} else if (codePoint <= /* 11 bits */0b11111111111) {
/* 110xxxxx leading byte with leading 5 bits */
mUtf8InputBuffer[bufferPosition++] = (byte) (0b11000000 | (codePoint >> 6));
/* 10xxxxxx continuation byte with following 6 bits */
mUtf8InputBuffer[bufferPosition++] = (byte) (0b10000000 | (codePoint & 0b111111));
} else if (codePoint <= /* 16 bits */0b1111111111111111) {
mUtf8InputBuffer[bufferPosition++] = (byte) (0b10000000 | (codePoint & 0b111111));
} else if (codePoint <= /* 16 bits */0b1111111111111111) {
/* 1110xxxx leading byte with leading 4 bits */
mUtf8InputBuffer[bufferPosition++] = (byte) (0b11100000 | (codePoint >> 12));
mUtf8InputBuffer[bufferPosition++] = (byte) (0b11100000 | (codePoint >> 12));
/* 10xxxxxx continuation byte with following 6 bits */
mUtf8InputBuffer[bufferPosition++] = (byte) (0b10000000 | ((codePoint >> 6) & 0b111111));
mUtf8InputBuffer[bufferPosition++] = (byte) (0b10000000 | ((codePoint >> 6) & 0b111111));
/* 10xxxxxx continuation byte with following 6 bits */
mUtf8InputBuffer[bufferPosition++] = (byte) (0b10000000 | (codePoint & 0b111111));
} else { /* We have checked codePoint <= 1114111 above, so we have max 21 bits = 0b111111111111111111111 */
mUtf8InputBuffer[bufferPosition++] = (byte) (0b10000000 | (codePoint & 0b111111));
} else { /* We have checked codePoint <= 1114111 above, so we have max 21 bits = 0b111111111111111111111 */
/* 11110xxx leading byte with leading 3 bits */
mUtf8InputBuffer[bufferPosition++] = (byte) (0b11110000 | (codePoint >> 18));
mUtf8InputBuffer[bufferPosition++] = (byte) (0b11110000 | (codePoint >> 18));
/* 10xxxxxx continuation byte with following 6 bits */
mUtf8InputBuffer[bufferPosition++] = (byte) (0b10000000 | ((codePoint >> 12) & 0b111111));
mUtf8InputBuffer[bufferPosition++] = (byte) (0b10000000 | ((codePoint >> 12) & 0b111111));
/* 10xxxxxx continuation byte with following 6 bits */
mUtf8InputBuffer[bufferPosition++] = (byte) (0b10000000 | ((codePoint >> 6) & 0b111111));
mUtf8InputBuffer[bufferPosition++] = (byte) (0b10000000 | ((codePoint >> 6) & 0b111111));
/* 10xxxxxx continuation byte with following 6 bits */
mUtf8InputBuffer[bufferPosition++] = (byte) (0b10000000 | (codePoint & 0b111111));
}
write(mUtf8InputBuffer, 0, bufferPosition);
}
mUtf8InputBuffer[bufferPosition++] = (byte) (0b10000000 | (codePoint & 0b111111));
}
write(mUtf8InputBuffer, 0, bufferPosition);
}
public TerminalEmulator getEmulator() {
return mEmulator;
}
public TerminalEmulator getEmulator() {
return mEmulator;
}
/** Notify the {@link #mChangeCallback} that the screen has changed. */
protected void notifyScreenUpdate() {
mChangeCallback.onTextChanged(this);
}
/** Notify the {@link #mChangeCallback} that the screen has changed. */
protected void notifyScreenUpdate() {
mChangeCallback.onTextChanged(this);
}
/** Reset state for terminal emulator state. */
public void reset() {
mEmulator.reset();
notifyScreenUpdate();
}
/** Reset state for terminal emulator state. */
public void reset() {
mEmulator.reset();
notifyScreenUpdate();
}
/** Finish this terminal session by sending SIGKILL to the shell. */
public void finishIfRunning() {
@ -295,48 +293,50 @@ public final class TerminalSession extends TerminalOutput {
}
}
/** Cleanup resources when the process exits. */
void cleanupResources(int exitStatus) {
synchronized (this) {
mShellPid = -1;
mShellExitStatus = exitStatus;
}
/** Cleanup resources when the process exits. */
void cleanupResources(int exitStatus) {
synchronized (this) {
mShellPid = -1;
mShellExitStatus = exitStatus;
}
// Stop the reader and writer threads, and close the I/O streams
mTerminalToProcessIOQueue.close();
mProcessToTerminalIOQueue.close();
JNI.close(mTerminalFileDescriptor);
}
// Stop the reader and writer threads, and close the I/O streams
mTerminalToProcessIOQueue.close();
mProcessToTerminalIOQueue.close();
JNI.close(mTerminalFileDescriptor);
}
@Override
public void titleChanged(String oldTitle, String newTitle) {
mChangeCallback.onTitleChanged(this);
}
@Override
public void titleChanged(String oldTitle, String newTitle) {
mChangeCallback.onTitleChanged(this);
}
public synchronized boolean isRunning() {
return mShellPid != -1;
}
public synchronized boolean isRunning() {
return mShellPid != -1;
}
/** Only valid if not {@link #isRunning()}. */
public synchronized int getExitStatus() {
return mShellExitStatus;
}
/** Only valid if not {@link #isRunning()}. */
public synchronized int getExitStatus() {
return mShellExitStatus;
}
@Override
public void clipboardText(String text) {
mChangeCallback.onClipboardText(this, text);
}
@Override
public void clipboardText(String text) {
mChangeCallback.onClipboardText(this, text);
}
@Override
public void onBell() {
mChangeCallback.onBell(this);
}
@Override
public void onBell() {
mChangeCallback.onBell(this);
}
@Override
public void onColorsChanged() {
mChangeCallback.onColorsChanged(this);
}
public int getPid() { return mShellPid; }
public int getPid() {
return mShellPid;
}
}

72
app/src/main/java/com/termux/terminal/TextStyle.java
View File

@ -3,53 +3,53 @@ package com.termux.terminal;
/**
* Encodes effects, foreground and background colors into a 32 bit integer, which are stored for each cell in a terminal
* row in {@link TerminalRow#mStyle}.
*
* <p/>
* The foreground and background colors take 9 bits each, leaving (32-9-9)=14 bits for effect flags. Using 9 for now
* (the different CHARACTER_ATTRIBUTE_* bits).
*/
public final class TextStyle {
public final static int CHARACTER_ATTRIBUTE_BOLD = 1;
public final static int CHARACTER_ATTRIBUTE_ITALIC = 1 << 1;
public final static int CHARACTER_ATTRIBUTE_UNDERLINE = 1 << 2;
public final static int CHARACTER_ATTRIBUTE_BLINK = 1 << 3;
public final static int CHARACTER_ATTRIBUTE_INVERSE = 1 << 4;
public final static int CHARACTER_ATTRIBUTE_INVISIBLE = 1 << 5;
public final static int CHARACTER_ATTRIBUTE_STRIKETHROUGH = 1 << 6;
/**
* The selective erase control functions (DECSED and DECSEL) can only erase characters defined as erasable.
*
* This bit is set if DECSCA (Select Character Protection Attribute) has been used to define the characters that
* come after it as erasable from the screen.
*/
public final static int CHARACTER_ATTRIBUTE_PROTECTED = 1 << 7;
/** Dim colors. Also known as faint or half intensity. */
public final static int CHARACTER_ATTRIBUTE_DIM = 1 << 8;
public final static int CHARACTER_ATTRIBUTE_BOLD = 1;
public final static int CHARACTER_ATTRIBUTE_ITALIC = 1 << 1;
public final static int CHARACTER_ATTRIBUTE_UNDERLINE = 1 << 2;
public final static int CHARACTER_ATTRIBUTE_BLINK = 1 << 3;
public final static int CHARACTER_ATTRIBUTE_INVERSE = 1 << 4;
public final static int CHARACTER_ATTRIBUTE_INVISIBLE = 1 << 5;
public final static int CHARACTER_ATTRIBUTE_STRIKETHROUGH = 1 << 6;
/**
* The selective erase control functions (DECSED and DECSEL) can only erase characters defined as erasable.
* <p/>
* This bit is set if DECSCA (Select Character Protection Attribute) has been used to define the characters that
* come after it as erasable from the screen.
*/
public final static int CHARACTER_ATTRIBUTE_PROTECTED = 1 << 7;
/** Dim colors. Also known as faint or half intensity. */
public final static int CHARACTER_ATTRIBUTE_DIM = 1 << 8;
public final static int COLOR_INDEX_FOREGROUND = 256;
public final static int COLOR_INDEX_BACKGROUND = 257;
public final static int COLOR_INDEX_CURSOR = 258;
public final static int COLOR_INDEX_FOREGROUND = 256;
public final static int COLOR_INDEX_BACKGROUND = 257;
public final static int COLOR_INDEX_CURSOR = 258;
/** The 256 standard color entries and the three special (foreground, background and cursor) ones. */
public final static int NUM_INDEXED_COLORS = 259;
/** The 256 standard color entries and the three special (foreground, background and cursor) ones. */
public final static int NUM_INDEXED_COLORS = 259;
/** Normal foreground and background colors and no effects. */
final static int NORMAL = encode(COLOR_INDEX_FOREGROUND, COLOR_INDEX_BACKGROUND, 0);
/** Normal foreground and background colors and no effects. */
final static int NORMAL = encode(COLOR_INDEX_FOREGROUND, COLOR_INDEX_BACKGROUND, 0);
static int encode(int foreColor, int backColor, int effect) {
return ((effect & 0b111111111) << 18) | ((foreColor & 0b111111111) << 9) | (backColor & 0b111111111);
}
static int encode(int foreColor, int backColor, int effect) {
return ((effect & 0b111111111) << 18) | ((foreColor & 0b111111111) << 9) | (backColor & 0b111111111);
}
public static int decodeForeColor(int encodedColor) {
return (encodedColor >> 9) & 0b111111111;
}
public static int decodeForeColor(int encodedColor) {
return (encodedColor >> 9) & 0b111111111;
}
public static int decodeBackColor(int encodedColor) {
return encodedColor & 0b111111111;
}
public static int decodeBackColor(int encodedColor) {
return encodedColor & 0b111111111;
}
public static int decodeEffect(int encodedColor) {
return (encodedColor >> 18) & 0b111111111;
}
public static int decodeEffect(int encodedColor) {
return (encodedColor >> 18) & 0b111111111;
}
}

190
app/src/main/java/com/termux/terminal/WcWidth.java
View File

@ -2,107 +2,107 @@ package com.termux.terminal;
/**
* wcwidth() implementation from http://git.musl-libc.org/cgit/musl/tree/src/ctype
*
* <p/>
* Modified to return 0 instead of -1.
*/
public final class WcWidth {
private static final short table[] = { 16, 16, 16, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 16, 16, 32, 16, 16, 16, 33, 34, 35, 36, 37, 38,
39, 16, 16, 40, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 41, 42, 16, 16, 43, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 44, 16, 45, 46, 47, 48, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
49, 16, 16, 50, 51, 16, 52, 16, 16, 16, 16, 16, 16, 16, 16, 53, 16, 16, 16, 16, 16, 54, 55, 16, 16, 16, 16, 56, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 57, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 58, 59, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
248, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 254, 255, 255, 255, 255, 191, 182, 0, 0, 0,
0, 0, 0, 0, 31, 0, 255, 7, 0, 0, 0, 0, 0, 248, 255, 255, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 192, 191, 159, 61, 0, 0, 0, 128, 2, 0, 0, 0,
255, 255, 255, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 192, 255, 1, 0, 0, 0, 0, 0, 0, 248, 15, 0, 0, 0, 192, 251, 239, 62, 0, 0, 0, 0, 0, 14, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 240, 255, 255, 127, 7, 0, 0, 0, 0, 0, 0, 20, 254, 33, 254, 0, 12, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 16, 30, 32, 0,
0, 12, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 16, 134, 57, 2, 0, 0, 0, 35, 0, 6, 0, 0, 0, 0, 0, 0, 16, 190, 33, 0, 0, 12, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 144,
30, 32, 64, 0, 12, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 1, 32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 192, 193, 61, 96, 0, 12, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 144, 64, 48, 0, 0, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 30, 32, 0, 0, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 92, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 242, 7, 128, 127, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 242, 27, 0, 63, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 160, 2, 0, 0, 0, 0, 0, 0, 254,
127, 223, 224, 255, 254, 255, 255, 255, 31, 64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 224, 253, 102, 0, 0, 0, 195, 1, 0, 30, 0, 100, 32, 0, 32, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 224, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 28, 0, 0, 0,
28, 0, 0, 0, 12, 0, 0, 0, 12, 0, 0, 0, 0, 0, 0, 0, 176, 63, 64, 254, 15, 32, 0, 0, 0, 0, 0, 56, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 135, 1, 4, 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
128, 1, 0, 0, 0, 0, 0, 0, 64, 127, 229, 31, 248, 159, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 15, 0, 0, 0, 0, 0, 208, 23, 4, 0, 0, 0, 0,
248, 15, 0, 3, 0, 0, 0, 60, 11, 0, 0, 0, 0, 0, 0, 64, 163, 3, 0, 0, 0, 0, 0, 0, 240, 207, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
247, 255, 253, 33, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 127, 0, 0, 240, 0, 248, 0, 0,
0, 124, 0, 0, 0, 0, 0, 0, 31, 252, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255,
255, 0, 0, 0, 0, 0, 60, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128,
247, 63, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 68, 8, 0, 0, 96, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 16, 0, 0, 0,
255, 255, 3, 0, 0, 0, 0, 0, 192, 63, 0, 0, 128, 255, 3, 0, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 200, 19, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 126, 102,
0, 8, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 157, 193, 2, 0, 0, 0, 0, 48, 64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 32, 33, 0, 0, 0, 0, 0, 64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 0, 0,
127, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 32, 110, 240, 0,
0, 0, 0, 0, 135, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 255, 127, 0, 0, 0, 0, 0, 0, 0, 3, 0,
0, 0, 0, 0, 120, 38, 0, 0, 0, 0, 0, 0, 0, 0, 7, 0, 0, 0, 128, 239, 31, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 192, 127, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 40, 191, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 128, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 3, 248, 255, 231, 15, 0, 0, 0, 60, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 28, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, };
private static final short table[] = {16, 16, 16, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 16, 16, 32, 16, 16, 16, 33, 34, 35, 36, 37, 38,
39, 16, 16, 40, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 41, 42, 16, 16, 43, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 44, 16, 45, 46, 47, 48, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
49, 16, 16, 50, 51, 16, 52, 16, 16, 16, 16, 16, 16, 16, 16, 53, 16, 16, 16, 16, 16, 54, 55, 16, 16, 16, 16, 56, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 57, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 58, 59, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
248, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 254, 255, 255, 255, 255, 191, 182, 0, 0, 0,
0, 0, 0, 0, 31, 0, 255, 7, 0, 0, 0, 0, 0, 248, 255, 255, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 192, 191, 159, 61, 0, 0, 0, 128, 2, 0, 0, 0,
255, 255, 255, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 192, 255, 1, 0, 0, 0, 0, 0, 0, 248, 15, 0, 0, 0, 192, 251, 239, 62, 0, 0, 0, 0, 0, 14, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 240, 255, 255, 127, 7, 0, 0, 0, 0, 0, 0, 20, 254, 33, 254, 0, 12, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 16, 30, 32, 0,
0, 12, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 16, 134, 57, 2, 0, 0, 0, 35, 0, 6, 0, 0, 0, 0, 0, 0, 16, 190, 33, 0, 0, 12, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 144,
30, 32, 64, 0, 12, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 1, 32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 192, 193, 61, 96, 0, 12, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 144, 64, 48, 0, 0, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 30, 32, 0, 0, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 92, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 242, 7, 128, 127, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 242, 27, 0, 63, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 160, 2, 0, 0, 0, 0, 0, 0, 254,
127, 223, 224, 255, 254, 255, 255, 255, 31, 64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 224, 253, 102, 0, 0, 0, 195, 1, 0, 30, 0, 100, 32, 0, 32, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 224, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 28, 0, 0, 0,
28, 0, 0, 0, 12, 0, 0, 0, 12, 0, 0, 0, 0, 0, 0, 0, 176, 63, 64, 254, 15, 32, 0, 0, 0, 0, 0, 56, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 135, 1, 4, 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
128, 1, 0, 0, 0, 0, 0, 0, 64, 127, 229, 31, 248, 159, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 15, 0, 0, 0, 0, 0, 208, 23, 4, 0, 0, 0, 0,
248, 15, 0, 3, 0, 0, 0, 60, 11, 0, 0, 0, 0, 0, 0, 64, 163, 3, 0, 0, 0, 0, 0, 0, 240, 207, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
247, 255, 253, 33, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 127, 0, 0, 240, 0, 248, 0, 0,
0, 124, 0, 0, 0, 0, 0, 0, 31, 252, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255,
255, 0, 0, 0, 0, 0, 60, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128,
247, 63, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 68, 8, 0, 0, 96, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 16, 0, 0, 0,
255, 255, 3, 0, 0, 0, 0, 0, 192, 63, 0, 0, 128, 255, 3, 0, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 200, 19, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 126, 102,
0, 8, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 157, 193, 2, 0, 0, 0, 0, 48, 64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 32, 33, 0, 0, 0, 0, 0, 64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 0, 0,
127, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 32, 110, 240, 0,
0, 0, 0, 0, 135, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 255, 127, 0, 0, 0, 0, 0, 0, 0, 3, 0,
0, 0, 0, 0, 120, 38, 0, 0, 0, 0, 0, 0, 0, 0, 7, 0, 0, 0, 128, 239, 31, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 192, 127, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 40, 191, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 128, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 3, 248, 255, 231, 15, 0, 0, 0, 60, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 28, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,};
private static final short wtable[] = { 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 18, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 19, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 20, 21, 22, 23, 24, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 25, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 26, 16, 16, 16, 16, 27, 16, 16, 17, 17, 17, 17, 17,
17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
17, 28, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 17, 17,
16, 16, 16, 29, 30, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 31, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 32, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 248, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 252, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 251, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 15, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 63, 0, 0, 0, 255, 15, 255, 255, 255, 255, 255, 255, 255, 127, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 127, 254, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 224, 255, 255, 255, 255, 63, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 127, 255, 255,
255, 255, 255, 7, 255, 255, 255, 255, 15, 0, 255, 255, 255, 255, 255, 127, 255, 255, 255, 255, 255, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 127, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 31, 255, 255, 255, 255, 255, 255, 127, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 31, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 15, 0, 255, 255, 127, 248,
255, 255, 255, 255, 255, 15, 0, 0, 255, 3, 0, 0, 255, 255, 255, 255, 247, 255, 127, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 254,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 127, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 7, 0, 255, 255, 255, 255, 255, 7, 255, 1, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0 };
private static final short wtable[] = {16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 18, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 19, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 20, 21, 22, 23, 24, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 25, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 26, 16, 16, 16, 16, 27, 16, 16, 17, 17, 17, 17, 17,
17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
17, 28, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 17, 17,
16, 16, 16, 29, 30, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 31, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 32, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 248, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 252, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 251, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 15, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 63, 0, 0, 0, 255, 15, 255, 255, 255, 255, 255, 255, 255, 127, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 127, 254, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 224, 255, 255, 255, 255, 63, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 127, 255, 255,
255, 255, 255, 7, 255, 255, 255, 255, 15, 0, 255, 255, 255, 255, 255, 127, 255, 255, 255, 255, 255, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 127, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 31, 255, 255, 255, 255, 255, 255, 127, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 31, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 15, 0, 255, 255, 127, 248,
255, 255, 255, 255, 255, 15, 0, 0, 255, 3, 0, 0, 255, 255, 255, 255, 247, 255, 127, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 254,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 127, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 7, 0, 255, 255, 255, 255, 255, 7, 255, 1, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0};
/** Return the terminal display width of a code point: 0, 1 or 2. */
public static int width(int wc) {
if (wc < 0xff) return (wc + 1 & 0x7f) >= 0x21 ? 1 : (wc != 0) ? 0 : 0;
if ((wc & 0xfffeffff) < 0xfffe) {
if (((table[table[wc >> 8] * 32 + ((wc & 255) >> 3)] >> (wc & 7)) & 1) != 0) return 0;
if (((wtable[wtable[wc >> 8] * 32 + ((wc & 255) >> 3)] >> (wc & 7)) & 1) != 0) return 2;
return 1;
}
if ((wc & 0xfffe) == 0xfffe) return 0;
if (wc - 0x20000 < 0x20000) return 2;
if (wc == 0xe0001 || wc - 0xe0020 < 0x5f || wc - 0xe0100 < 0xef) return 0;
return 1;
}
/** Return the terminal display width of a code point: 0, 1 or 2. */
public static int width(int wc) {
if (wc < 0xff) return (wc + 1 & 0x7f) >= 0x21 ? 1 : (wc != 0) ? 0 : 0;
if ((wc & 0xfffeffff) < 0xfffe) {
if (((table[table[wc >> 8] * 32 + ((wc & 255) >> 3)] >> (wc & 7)) & 1) != 0) return 0;
if (((wtable[wtable[wc >> 8] * 32 + ((wc & 255) >> 3)] >> (wc & 7)) & 1) != 0) return 2;
return 1;
}
if ((wc & 0xfffe) == 0xfffe) return 0;
if (wc - 0x20000 < 0x20000) return 2;
if (wc == 0xe0001 || wc - 0xe0020 < 0x5f || wc - 0xe0100 < 0xef) return 0;
return 1;
}
/** The width at an index position in a java char array. */
public static int width(char[] chars, int index) {
char c = chars[index];
return Character.isHighSurrogate(c) ? width(Character.toCodePoint(c, chars[index + 1])) : width(c);
}
/** The width at an index position in a java char array. */
public static int width(char[] chars, int index) {
char c = chars[index];
return Character.isHighSurrogate(c) ? width(Character.toCodePoint(c, chars[index + 1])) : width(c);
}
}

158
app/src/main/java/com/termux/view/GestureAndScaleRecognizer.java
View File

@ -8,104 +8,104 @@ import android.view.ScaleGestureDetector;
/** A combination of {@link GestureDetector} and {@link ScaleGestureDetector}. */
public final class GestureAndScaleRecognizer {
public interface Listener {
boolean onSingleTapUp(MotionEvent e);
public interface Listener {
boolean onSingleTapUp(MotionEvent e);
boolean onDoubleTap(MotionEvent e);
boolean onDoubleTap(MotionEvent e);
boolean onScroll(MotionEvent e2, float dx, float dy);
boolean onScroll(MotionEvent e2, float dx, float dy);
boolean onFling(MotionEvent e, float velocityX, float velocityY);
boolean onFling(MotionEvent e, float velocityX, float velocityY);
boolean onScale(float focusX, float focusY, float scale);
boolean onScale(float focusX, float focusY, float scale);
boolean onDown(float x, float y);
boolean onDown(float x, float y);
boolean onUp(MotionEvent e);
boolean onUp(MotionEvent e);
void onLongPress(MotionEvent e);
}
void onLongPress(MotionEvent e);
}
private final GestureDetector mGestureDetector;
private final ScaleGestureDetector mScaleDetector;
final Listener mListener;
boolean isAfterLongPress;
private final GestureDetector mGestureDetector;
private final ScaleGestureDetector mScaleDetector;
final Listener mListener;
boolean isAfterLongPress;
public GestureAndScaleRecognizer(Context context, Listener listener) {
mListener = listener;
public GestureAndScaleRecognizer(Context context, Listener listener) {
mListener = listener;
mGestureDetector = new GestureDetector(context, new GestureDetector.SimpleOnGestureListener() {
@Override
public boolean onScroll(MotionEvent e1, MotionEvent e2, float dx, float dy) {
return mListener.onScroll(e2, dx, dy);
}
mGestureDetector = new GestureDetector(context, new GestureDetector.SimpleOnGestureListener() {
@Override
public boolean onScroll(MotionEvent e1, MotionEvent e2, float dx, float dy) {
return mListener.onScroll(e2, dx, dy);
}
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
return mListener.onFling(e2, velocityX, velocityY);
}
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
return mListener.onFling(e2, velocityX, velocityY);
}
@Override
public boolean onDown(MotionEvent e) {
return mListener.onDown(e.getX(), e.getY());
}
@Override
public boolean onDown(MotionEvent e) {
return mListener.onDown(e.getX(), e.getY());
}
@Override
public void onLongPress(MotionEvent e) {
mListener.onLongPress(e);
isAfterLongPress = true;
}
}, null, true /* ignoreMultitouch */);
@Override
public void onLongPress(MotionEvent e) {
mListener.onLongPress(e);
isAfterLongPress = true;
}
}, null, true /* ignoreMultitouch */);
mGestureDetector.setOnDoubleTapListener(new GestureDetector.OnDoubleTapListener() {
@Override
public boolean onSingleTapConfirmed(MotionEvent e) {
return mListener.onSingleTapUp(e);
}
mGestureDetector.setOnDoubleTapListener(new GestureDetector.OnDoubleTapListener() {
@Override
public boolean onSingleTapConfirmed(MotionEvent e) {
return mListener.onSingleTapUp(e);
}
@Override
public boolean onDoubleTap(MotionEvent e) {
return mListener.onDoubleTap(e);
}
@Override
public boolean onDoubleTap(MotionEvent e) {
return mListener.onDoubleTap(e);
}
@Override
public boolean onDoubleTapEvent(MotionEvent e) {
return true;
}
});
@Override
public boolean onDoubleTapEvent(MotionEvent e) {
return true;
}
});
mScaleDetector = new ScaleGestureDetector(context, new ScaleGestureDetector.SimpleOnScaleGestureListener() {
@Override
public boolean onScaleBegin(ScaleGestureDetector detector) {
return true;
}
mScaleDetector = new ScaleGestureDetector(context, new ScaleGestureDetector.SimpleOnScaleGestureListener() {
@Override
public boolean onScaleBegin(ScaleGestureDetector detector) {
return true;
}
@Override
public boolean onScale(ScaleGestureDetector detector) {
return mListener.onScale(detector.getFocusX(), detector.getFocusY(), detector.getScaleFactor());
}
});
}
@Override
public boolean onScale(ScaleGestureDetector detector) {
return mListener.onScale(detector.getFocusX(), detector.getFocusY(), detector.getScaleFactor());
}
});
}
public void onTouchEvent(MotionEvent event) {
mGestureDetector.onTouchEvent(event);
mScaleDetector.onTouchEvent(event);
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
isAfterLongPress = false;
break;
case MotionEvent.ACTION_UP:
if (!isAfterLongPress) {
// This behaviour is desired when in e.g. vim with mouse events, where we do not
// want to move the cursor when lifting finger after a long press.
mListener.onUp(event);
}
break;
}
}
public void onTouchEvent(MotionEvent event) {
mGestureDetector.onTouchEvent(event);
mScaleDetector.onTouchEvent(event);
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
isAfterLongPress = false;
break;
case MotionEvent.ACTION_UP:
if (!isAfterLongPress) {
// This behaviour is desired when in e.g. vim with mouse events, where we do not
// want to move the cursor when lifting finger after a long press.
mListener.onUp(event);
}
break;
}
}
public boolean isInProgress() {
return mScaleDetector.isInProgress();
}
public boolean isInProgress() {
return mScaleDetector.isInProgress();
}
}

14
app/src/main/java/com/termux/view/TerminalKeyListener.java
View File

@ -9,20 +9,20 @@ import com.termux.terminal.TerminalSession;
/**
* Input and scale listener which may be set on a {@link TerminalView} through
* {@link TerminalView#setOnKeyListener(TerminalKeyListener)}.
*
* <p/>
* TODO: Rename to TerminalViewClient.
*/
public interface TerminalKeyListener {
/** Callback function on scale events according to {@link ScaleGestureDetector#getScaleFactor()}. */
float onScale(float scale);
/** Callback function on scale events according to {@link ScaleGestureDetector#getScaleFactor()}. */
float onScale(float scale);
/** On a single tap on the terminal if terminal mouse reporting not enabled. */
void onSingleTapUp(MotionEvent e);
/** On a single tap on the terminal if terminal mouse reporting not enabled. */
void onSingleTapUp(MotionEvent e);
boolean shouldBackButtonBeMappedToEscape();
boolean shouldBackButtonBeMappedToEscape();
void copyModeChanged(boolean copyMode);
void copyModeChanged(boolean copyMode);
boolean onKeyDown(int keyCode, KeyEvent e, TerminalSession session);

368
app/src/main/java/com/termux/view/TerminalRenderer.java
View File

@ -13,223 +13,213 @@ import com.termux.terminal.WcWidth;
/**
* Renderer of a {@link TerminalEmulator} into a {@link Canvas}.
*
* <p/>
* Saves font metrics, so needs to be recreated each time the typeface or font size changes.
*/
final class TerminalRenderer {
final int mTextSize;
final Typeface mTypeface;
private final Paint mTextPaint = new Paint();
final int mTextSize;
final Typeface mTypeface;
private final Paint mTextPaint = new Paint();
/** The width of a single mono spaced character obtained by {@link Paint#measureText(String)} on a single 'X'. */
final float mFontWidth;
/** The {@link Paint#getFontSpacing()}. See http://www.fampennings.nl/maarten/android/08numgrid/font.png */
final int mFontLineSpacing;
/** The {@link Paint#ascent()}. See http://www.fampennings.nl/maarten/android/08numgrid/font.png */
private final int mFontAscent;
/** The {@link #mFontLineSpacing} + {@link #mFontAscent}. */
final int mFontLineSpacingAndAscent;
/** The width of a single mono spaced character obtained by {@link Paint#measureText(String)} on a single 'X'. */
final float mFontWidth;
/** The {@link Paint#getFontSpacing()}. See http://www.fampennings.nl/maarten/android/08numgrid/font.png */
final int mFontLineSpacing;
/** The {@link Paint#ascent()}. See http://www.fampennings.nl/maarten/android/08numgrid/font.png */
private final int mFontAscent;
/** The {@link #mFontLineSpacing} + {@link #mFontAscent}. */
final int mFontLineSpacingAndAscent;
private final float[] asciiMeasures = new float[127];
private final float[] asciiMeasures = new float[127];
public TerminalRenderer(int textSize, Typeface typeface) {
mTextSize = textSize;
mTypeface = typeface;
public TerminalRenderer(int textSize, Typeface typeface) {
mTextSize = textSize;
mTypeface = typeface;
mTextPaint.setTypeface(typeface);
mTextPaint.setAntiAlias(true);
mTextPaint.setTextSize(textSize);
mTextPaint.setTypeface(typeface);
mTextPaint.setAntiAlias(true);
mTextPaint.setTextSize(textSize);
mFontLineSpacing = (int) Math.ceil(mTextPaint.getFontSpacing());
mFontAscent = (int) Math.ceil(mTextPaint.ascent());
mFontLineSpacingAndAscent = mFontLineSpacing + mFontAscent;
mFontWidth = mTextPaint.measureText("X");
mFontLineSpacing = (int) Math.ceil(mTextPaint.getFontSpacing());
mFontAscent = (int) Math.ceil(mTextPaint.ascent());
mFontLineSpacingAndAscent = mFontLineSpacing + mFontAscent;
mFontWidth = mTextPaint.measureText("X");
StringBuilder sb = new StringBuilder(" ");
for (int i = 0; i < asciiMeasures.length; i++) {
sb.setCharAt(0, (char) i);
asciiMeasures[i] = mTextPaint.measureText(sb, 0, 1);
}
}
StringBuilder sb = new StringBuilder(" ");
for (int i = 0; i < asciiMeasures.length; i++) {
sb.setCharAt(0, (char) i);
asciiMeasures[i] = mTextPaint.measureText(sb, 0, 1);
}
}
/** Render the terminal to a canvas with at a specified row scroll, and an optional rectangular selection. */
public final void render(TerminalEmulator mEmulator, Canvas canvas, int topRow, int selectionY1, int selectionY2, int selectionX1, int selectionX2) {
final boolean reverseVideo = mEmulator.isReverseVideo();
final int endRow = topRow + mEmulator.mRows;
final int columns = mEmulator.mColumns;
final int cursorCol = mEmulator.getCursorCol();
final int cursorRow = mEmulator.getCursorRow();
final boolean cursorVisible = mEmulator.isShowingCursor();
final TerminalBuffer screen = mEmulator.getScreen();
final int[] palette = mEmulator.mColors.mCurrentColors;
/** Render the terminal to a canvas with at a specified row scroll, and an optional rectangular selection. */
public final void render(TerminalEmulator mEmulator, Canvas canvas, int topRow, int selectionY1, int selectionY2, int selectionX1, int selectionX2) {
final boolean reverseVideo = mEmulator.isReverseVideo();
final int endRow = topRow + mEmulator.mRows;
final int columns = mEmulator.mColumns;
final int cursorCol = mEmulator.getCursorCol();
final int cursorRow = mEmulator.getCursorRow();
final boolean cursorVisible = mEmulator.isShowingCursor();
final TerminalBuffer screen = mEmulator.getScreen();
final int[] palette = mEmulator.mColors.mCurrentColors;
if (reverseVideo) canvas.drawColor(palette[TextStyle.COLOR_INDEX_FOREGROUND], PorterDuff.Mode.SRC);
if (reverseVideo)
canvas.drawColor(palette[TextStyle.COLOR_INDEX_FOREGROUND], PorterDuff.Mode.SRC);
float heightOffset = mFontLineSpacingAndAscent;
for (int row = topRow; row < endRow; row++) {
heightOffset += mFontLineSpacing;
float heightOffset = mFontLineSpacingAndAscent;
for (int row = topRow; row < endRow; row++) {
heightOffset += mFontLineSpacing;
final int cursorX = (row == cursorRow && cursorVisible) ? cursorCol : -1;
int selx1 = -1, selx2 = -1;
if (row >= selectionY1 && row <= selectionY2) {
if (row == selectionY1) selx1 = selectionX1;
selx2 = (row == selectionY2) ? selectionX2 : mEmulator.mColumns;
}
final int cursorX = (row == cursorRow && cursorVisible) ? cursorCol : -1;
int selx1 = -1, selx2 = -1;
if (row >= selectionY1 && row <= selectionY2) {
if (row == selectionY1) selx1 = selectionX1;
selx2 = (row == selectionY2) ? selectionX2 : mEmulator.mColumns;
}
TerminalRow lineObject = screen.allocateFullLineIfNecessary(screen.externalToInternalRow(row));
final char[] line = lineObject.mText;
final int charsUsedInLine = lineObject.getSpaceUsed();
TerminalRow lineObject = screen.allocateFullLineIfNecessary(screen.externalToInternalRow(row));
final char[] line = lineObject.mText;
final int charsUsedInLine = lineObject.getSpaceUsed();
int lastRunStyle = 0;
boolean lastRunInsideCursor = false;
int lastRunStartColumn = -1;
int lastRunStartIndex = 0;
boolean lastRunFontWidthMismatch = false;
int currentCharIndex = 0;
float measuredWidthForRun = 0.f;
int lastRunStyle = 0;
boolean lastRunInsideCursor = false;
int lastRunStartColumn = -1;
int lastRunStartIndex = 0;
boolean lastRunFontWidthMismatch = false;
int currentCharIndex = 0;
float measuredWidthForRun = 0.f;
for (int column = 0; column < columns;) {
final char charAtIndex = line[currentCharIndex];
final boolean charIsHighsurrogate = Character.isHighSurrogate(charAtIndex);
final int charsForCodePoint = charIsHighsurrogate ? 2 : 1;
final int codePoint = charIsHighsurrogate ? Character.toCodePoint(charAtIndex, line[currentCharIndex + 1]) : charAtIndex;
final int codePointWcWidth = WcWidth.width(codePoint);
final boolean insideCursor = (column >= selx1 && column <= selx2) || (cursorX == column || (codePointWcWidth == 2 && cursorX == column + 1));
final int style = lineObject.getStyle(column);
for (int column = 0; column < columns; ) {
final char charAtIndex = line[currentCharIndex];
final boolean charIsHighsurrogate = Character.isHighSurrogate(charAtIndex);
final int charsForCodePoint = charIsHighsurrogate ? 2 : 1;
final int codePoint = charIsHighsurrogate ? Character.toCodePoint(charAtIndex, line[currentCharIndex + 1]) : charAtIndex;
final int codePointWcWidth = WcWidth.width(codePoint);
final boolean insideCursor = (column >= selx1 && column <= selx2) || (cursorX == column || (codePointWcWidth == 2 && cursorX == column + 1));
final int style = lineObject.getStyle(column);
// Check if the measured text width for this code point is not the same as that expected by wcwidth().
// This could happen for some fonts which are not truly monospace, or for more exotic characters such as
// smileys which android font renders as wide.
// If this is detected, we draw this code point scaled to match what wcwidth() expects.
final float measuredCodePointWidth = (codePoint < asciiMeasures.length) ? asciiMeasures[codePoint] : mTextPaint.measureText(line,
currentCharIndex, charsForCodePoint);
final boolean fontWidthMismatch = Math.abs(measuredCodePointWidth / mFontWidth - codePointWcWidth) > 0.01;
// Check if the measured text width for this code point is not the same as that expected by wcwidth().
// This could happen for some fonts which are not truly monospace, or for more exotic characters such as
// smileys which android font renders as wide.
// If this is detected, we draw this code point scaled to match what wcwidth() expects.
final float measuredCodePointWidth = (codePoint < asciiMeasures.length) ? asciiMeasures[codePoint] : mTextPaint.measureText(line,
currentCharIndex, charsForCodePoint);
final boolean fontWidthMismatch = Math.abs(measuredCodePointWidth / mFontWidth - codePointWcWidth) > 0.01;
if (style != lastRunStyle || insideCursor != lastRunInsideCursor || fontWidthMismatch || lastRunFontWidthMismatch) {
if (column == 0) {
// Skip first column as there is nothing to draw, just record the current style.
} else {
final int columnWidthSinceLastRun = column - lastRunStartColumn;
final int charsSinceLastRun = currentCharIndex - lastRunStartIndex;
drawTextRun(canvas, line, palette, heightOffset, lastRunStartColumn, columnWidthSinceLastRun, lastRunStartIndex, charsSinceLastRun,
measuredWidthForRun, lastRunInsideCursor, lastRunStyle, reverseVideo);
}
measuredWidthForRun = 0.f;
lastRunStyle = style;
lastRunInsideCursor = insideCursor;
lastRunStartColumn = column;
lastRunStartIndex = currentCharIndex;
lastRunFontWidthMismatch = fontWidthMismatch;
}
measuredWidthForRun += measuredCodePointWidth;
column += codePointWcWidth;
currentCharIndex += charsForCodePoint;
while (currentCharIndex < charsUsedInLine && WcWidth.width(line, currentCharIndex) <= 0) {
// Eat combining chars so that they are treated as part of the last non-combining code point,
// instead of e.g. being considered inside the cursor in the next run.
currentCharIndex += Character.isHighSurrogate(line[currentCharIndex]) ? 2 : 1;
}
}
if (style != lastRunStyle || insideCursor != lastRunInsideCursor || fontWidthMismatch || lastRunFontWidthMismatch) {
if (column == 0) {
// Skip first column as there is nothing to draw, just record the current style.
} else {
final int columnWidthSinceLastRun = column - lastRunStartColumn;
final int charsSinceLastRun = currentCharIndex - lastRunStartIndex;
drawTextRun(canvas, line, palette, heightOffset, lastRunStartColumn, columnWidthSinceLastRun, lastRunStartIndex, charsSinceLastRun,
measuredWidthForRun, lastRunInsideCursor, lastRunStyle, reverseVideo);
}
measuredWidthForRun = 0.f;
lastRunStyle = style;
lastRunInsideCursor = insideCursor;
lastRunStartColumn = column;
lastRunStartIndex = currentCharIndex;
lastRunFontWidthMismatch = fontWidthMismatch;
}
measuredWidthForRun += measuredCodePointWidth;
column += codePointWcWidth;
currentCharIndex += charsForCodePoint;
while (currentCharIndex < charsUsedInLine && WcWidth.width(line, currentCharIndex) <= 0) {
// Eat combining chars so that they are treated as part of the last non-combining code point,
// instead of e.g. being considered inside the cursor in the next run.
currentCharIndex += Character.isHighSurrogate(line[currentCharIndex]) ? 2 : 1;
}
}
final int columnWidthSinceLastRun = columns - lastRunStartColumn;
final int charsSinceLastRun = currentCharIndex - lastRunStartIndex;
drawTextRun(canvas, line, palette, heightOffset, lastRunStartColumn, columnWidthSinceLastRun, lastRunStartIndex, charsSinceLastRun,
measuredWidthForRun, lastRunInsideCursor, lastRunStyle, reverseVideo);
}
}
final int columnWidthSinceLastRun = columns - lastRunStartColumn;
final int charsSinceLastRun = currentCharIndex - lastRunStartIndex;
drawTextRun(canvas, line, palette, heightOffset, lastRunStartColumn, columnWidthSinceLastRun, lastRunStartIndex, charsSinceLastRun,
measuredWidthForRun, lastRunInsideCursor, lastRunStyle, reverseVideo);
}
}
/**
* @param canvas
* the canvas to render on
* @param palette
* the color palette to look up colors from textStyle
* @param y
* height offset into the canvas where to render the line: line * {@link #mFontLineSpacing}
* @param startColumn
* the run offset in columns
* @param runWidthColumns
* the run width in columns - this is computed from wcwidth() and may not be what the font measures to
* @param text
* the java char array to render text from
* @param startCharIndex
* index into the text array where to start
* @param runWidthChars
* number of java characters from the text array to render
* @param cursor
* true if rendering a cursor or selection
* @param textStyle
* the background, foreground and effect encoded using {@link TextStyle}
* @param reverseVideo
* if the screen is rendered with the global reverse video flag set
*/
private void drawTextRun(Canvas canvas, char[] text, int[] palette, float y, int startColumn, int runWidthColumns, int startCharIndex, int runWidthChars,
float mes, boolean cursor, int textStyle, boolean reverseVideo) {
int foreColor = TextStyle.decodeForeColor(textStyle);
int backColor = TextStyle.decodeBackColor(textStyle);
final int effect = TextStyle.decodeEffect(textStyle);
float left = startColumn * mFontWidth;
float right = left + runWidthColumns * mFontWidth;
/**
* @param canvas the canvas to render on
* @param palette the color palette to look up colors from textStyle
* @param y height offset into the canvas where to render the line: line * {@link #mFontLineSpacing}
* @param startColumn the run offset in columns
* @param runWidthColumns the run width in columns - this is computed from wcwidth() and may not be what the font measures to
* @param text the java char array to render text from
* @param startCharIndex index into the text array where to start
* @param runWidthChars number of java characters from the text array to render
* @param cursor true if rendering a cursor or selection
* @param textStyle the background, foreground and effect encoded using {@link TextStyle}
* @param reverseVideo if the screen is rendered with the global reverse video flag set
*/
private void drawTextRun(Canvas canvas, char[] text, int[] palette, float y, int startColumn, int runWidthColumns, int startCharIndex, int runWidthChars,
float mes, boolean cursor, int textStyle, boolean reverseVideo) {
int foreColor = TextStyle.decodeForeColor(textStyle);
int backColor = TextStyle.decodeBackColor(textStyle);
final int effect = TextStyle.decodeEffect(textStyle);
float left = startColumn * mFontWidth;
float right = left + runWidthColumns * mFontWidth;
mes = mes / mFontWidth;
boolean savedMatrix = false;
if (Math.abs(mes - runWidthColumns) > 0.01) {
canvas.save();
canvas.scale(runWidthColumns / mes, 1.f);
left *= mes / runWidthColumns;
right *= mes / runWidthColumns;
savedMatrix = true;
}
mes = mes / mFontWidth;
boolean savedMatrix = false;
if (Math.abs(mes - runWidthColumns) > 0.01) {
canvas.save();
canvas.scale(runWidthColumns / mes, 1.f);
left *= mes / runWidthColumns;
right *= mes / runWidthColumns;
savedMatrix = true;
}
// Reverse video here if _one and only one_ of the reverse flags are set:
boolean reverseVideoHere = reverseVideo ^ (effect & (TextStyle.CHARACTER_ATTRIBUTE_INVERSE)) != 0;
// Switch if _one and only one_ of reverse video and cursor is set:
if (reverseVideoHere ^ cursor) {
int tmp = foreColor;
foreColor = backColor;
backColor = tmp;
}
// Reverse video here if _one and only one_ of the reverse flags are set:
boolean reverseVideoHere = reverseVideo ^ (effect & (TextStyle.CHARACTER_ATTRIBUTE_INVERSE)) != 0;
// Switch if _one and only one_ of reverse video and cursor is set:
if (reverseVideoHere ^ cursor) {
int tmp = foreColor;
foreColor = backColor;
backColor = tmp;
}
if (backColor != TextStyle.COLOR_INDEX_BACKGROUND) {
// Only draw non-default background.
mTextPaint.setColor(palette[backColor]);
canvas.drawRect(left, y - mFontLineSpacingAndAscent + mFontAscent, right, y, mTextPaint);
}
if (backColor != TextStyle.COLOR_INDEX_BACKGROUND) {
// Only draw non-default background.
mTextPaint.setColor(palette[backColor]);
canvas.drawRect(left, y - mFontLineSpacingAndAscent + mFontAscent, right, y, mTextPaint);
}
if ((effect & TextStyle.CHARACTER_ATTRIBUTE_INVISIBLE) == 0) {
// Treat blink as bold:
final boolean bold = (effect & (TextStyle.CHARACTER_ATTRIBUTE_BOLD | TextStyle.CHARACTER_ATTRIBUTE_BLINK)) != 0;
final boolean underline = (effect & TextStyle.CHARACTER_ATTRIBUTE_UNDERLINE) != 0;
final boolean italic = (effect & TextStyle.CHARACTER_ATTRIBUTE_ITALIC) != 0;
final boolean strikeThrough = (effect & TextStyle.CHARACTER_ATTRIBUTE_STRIKETHROUGH) != 0;
final boolean dim = (effect & TextStyle.CHARACTER_ATTRIBUTE_DIM) != 0;
if ((effect & TextStyle.CHARACTER_ATTRIBUTE_INVISIBLE) == 0) {
// Treat blink as bold:
final boolean bold = (effect & (TextStyle.CHARACTER_ATTRIBUTE_BOLD | TextStyle.CHARACTER_ATTRIBUTE_BLINK)) != 0;
final boolean underline = (effect & TextStyle.CHARACTER_ATTRIBUTE_UNDERLINE) != 0;
final boolean italic = (effect & TextStyle.CHARACTER_ATTRIBUTE_ITALIC) != 0;
final boolean strikeThrough = (effect & TextStyle.CHARACTER_ATTRIBUTE_STRIKETHROUGH) != 0;
final boolean dim = (effect & TextStyle.CHARACTER_ATTRIBUTE_DIM) != 0;
// Let bold have bright colors if applicable (one of the first 8):
final int actualForeColor = foreColor + (bold && foreColor < 8 ? 8 : 0);
// Let bold have bright colors if applicable (one of the first 8):
final int actualForeColor = foreColor + (bold && foreColor < 8 ? 8 : 0);
int foreColorARGB = palette[actualForeColor];
if (dim) {
int red = (0xFF & (foreColorARGB >> 16));
int green = (0xFF & (foreColorARGB >> 8));
int blue = (0xFF & foreColorARGB);
// Dim color handling used by libvte which in turn took it from xterm
// (https://bug735245.bugzilla-attachments.gnome.org/attachment.cgi?id=284267):
red = red * 2 / 3;
green = green * 2 / 3;
blue = blue * 2 / 3;
foreColorARGB = 0xFF000000 + (red << 16) + (green << 8) + blue;
}
int foreColorARGB = palette[actualForeColor];
if (dim) {
int red = (0xFF & (foreColorARGB >> 16));
int green = (0xFF & (foreColorARGB >> 8));
int blue = (0xFF & foreColorARGB);
// Dim color handling used by libvte which in turn took it from xterm
// (https://bug735245.bugzilla-attachments.gnome.org/attachment.cgi?id=284267):
red = red * 2 / 3;
green = green * 2 / 3;
blue = blue * 2 / 3;
foreColorARGB = 0xFF000000 + (red << 16) + (green << 8) + blue;
}
mTextPaint.setFakeBoldText(bold);
mTextPaint.setUnderlineText(underline);
mTextPaint.setTextSkewX(italic ? -0.35f : 0.f);
mTextPaint.setStrikeThruText(strikeThrough);
mTextPaint.setColor(foreColorARGB);
mTextPaint.setFakeBoldText(bold);
mTextPaint.setUnderlineText(underline);
mTextPaint.setTextSkewX(italic ? -0.35f : 0.f);
mTextPaint.setStrikeThruText(strikeThrough);
mTextPaint.setColor(foreColorARGB);
// The text alignment is the default Paint.Align.LEFT.
canvas.drawText(text, startCharIndex, runWidthChars, left, y - mFontLineSpacingAndAscent, mTextPaint);
}
// The text alignment is the default Paint.Align.LEFT.
canvas.drawText(text, startCharIndex, runWidthChars, left, y - mFontLineSpacingAndAscent, mTextPaint);
}
if (savedMatrix) canvas.restore();
}
if (savedMatrix) canvas.restore();
}
}

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app/src/main/java/com/termux/view/TerminalView.java
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