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Make cursor save/restore affect color attributes

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SGR attributes are stored in three variables: mEffect, mForeColor, and
mBackColor.  Saving/restoring the cursor only preserves mEffect.

Change the cursor save/restore methods to additionally preserve
mForeColor and mBackColor.  This affects both 'explit' saving/restoring
the cursor and switching to/from the alternate screen buffer.
This commit is contained in:
Jeff Smith 2017-06-02 00:14:12 -05:00
parent 58f9f1be71
commit 2e9383720c
1 changed files with 7 additions and 3 deletions
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10
terminal-emulator/src/main/java/com/termux/terminal/TerminalEmulator.java
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@ -1307,6 +1307,8 @@ public final class TerminalEmulator {
state.mSavedCursorRow = mCursorRow;
state.mSavedCursorCol = mCursorCol;
state.mSavedEffect = mEffect;
state.mSavedForeColor = mForeColor;
state.mSavedBackColor = mBackColor;
state.mSavedDecFlags = mCurrentDecSetFlags;
state.mUseLineDrawingG0 = mUseLineDrawingG0;
state.mUseLineDrawingG1 = mUseLineDrawingG1;
@ -1318,6 +1320,8 @@ public final class TerminalEmulator {
SavedScreenState state = (mScreen == mMainBuffer) ? mSavedStateMain : mSavedStateAlt;
setCursorRowCol(state.mSavedCursorRow, state.mSavedCursorCol);
mEffect = state.mSavedEffect;
mForeColor = state.mSavedForeColor;
mBackColor = state.mSavedBackColor;
int mask = (DECSET_BIT_AUTOWRAP | DECSET_BIT_ORIGIN_MODE);
mCurrentDecSetFlags = (mCurrentDecSetFlags & ~mask) | (state.mSavedDecFlags & mask);
mUseLineDrawingG0 = state.mUseLineDrawingG0;
@ -2263,8 +2267,8 @@ public final class TerminalEmulator {
mBottomMargin = mRows;
mRightMargin = mColumns;
mAboutToAutoWrap = false;
mForeColor = TextStyle.COLOR_INDEX_FOREGROUND;
mBackColor = TextStyle.COLOR_INDEX_BACKGROUND;
mForeColor = mSavedStateMain.mSavedForeColor = mSavedStateAlt.mSavedForeColor = TextStyle.COLOR_INDEX_FOREGROUND;
mBackColor = mSavedStateMain.mSavedBackColor = mSavedStateAlt.mSavedBackColor = TextStyle.COLOR_INDEX_BACKGROUND;
setDefaultTabStops();
mUseLineDrawingG0 = mUseLineDrawingG1 = false;
@ -2318,7 +2322,7 @@ public final class TerminalEmulator {
static final class SavedScreenState {
/** Saved state of the cursor position, Used to implement the save/restore cursor position escape sequences. */
int mSavedCursorRow, mSavedCursorCol;
int mSavedEffect;
int mSavedEffect, mSavedForeColor, mSavedBackColor;
int mSavedDecFlags;
boolean mUseLineDrawingG0, mUseLineDrawingG1, mUseLineDrawingUsesG0 = true;
}