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gmrun/src/gtkcompletionline.cc

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/*****************************************************************************
* $Id: gtkcompletionline.cc,v 1.33 2003/11/16 10:55:07 andreas99 Exp $
* Copyright (C) 2000, Mishoo
* Author: Mihai Bazon Email: mishoo@fenrir.infoiasi.ro
*
* Distributed under the terms of the GNU General Public License. You are
* free to use/modify/distribute this program as long as you comply to the
* terms of the GNU General Public License, version 2 or above, at your
* option, and provided that this copyright notice remains intact.
*****************************************************************************/
#include <gdk/gdkkeysyms.h>
#include <gtk/gtk.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <dirent.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <iostream>
#include <set>
#include <sstream>
#include <string>
#include <vector>
using namespace std;
#include "gtkcompletionline.h"
static int on_row_selected_handler = 0;
static int on_key_press_handler = 0;
/* GLOBALS */
/* signals */
enum {
UNIQUE,
NOTUNIQUE,
INCOMPLETE,
RUNWITHTERM,
SEARCH_MODE,
SEARCH_LETTER,
SEARCH_NOT_FOUND,
EXT_HANDLER,
CANCEL,
LAST_SIGNAL
};
#define GEN_COMPLETION_OK 1
#define GEN_CANT_COMPLETE 2
#define GEN_NOT_UNIQUE 3
static guint gtk_completion_line_signals[LAST_SIGNAL];
typedef set<string> StrSet;
typedef vector<string> StrList;
static StrSet path;
static StrSet execs;
static StrSet dirlist;
static string prefix;
static int g_show_dot_files;
/* callbacks */
static void gtk_completion_line_class_init(GtkCompletionLineClass *klass);
static void gtk_completion_line_init(GtkCompletionLine *object);
static gboolean
on_key_press(GtkCompletionLine *cl, GdkEventKey *event, gpointer data);
/* get_type */
GType gtk_completion_line_get_type(void)
{
static GType type = 0;
if (type == 0)
{
static const GTypeInfo type_info =
{
sizeof(GtkCompletionLineClass),
NULL,
NULL,
(GClassInitFunc)gtk_completion_line_class_init,
NULL,
NULL,
sizeof(GtkCompletionLine),
0,
(GInstanceInitFunc)gtk_completion_line_init,
NULL
};
type = g_type_register_static(GTK_TYPE_ENTRY, "GtkCompletionLine",
&type_info, (GTypeFlags)0);
}
return type;
}
/* class_init */
static void
gtk_completion_line_class_init(GtkCompletionLineClass *klass)
{
GtkWidgetClass *object_class;
object_class = (GtkWidgetClass*)klass;
gtk_completion_line_signals[UNIQUE] =
g_signal_new("unique",
G_TYPE_FROM_CLASS(object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET(GtkCompletionLineClass, unique),
NULL,
NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE,
0);
gtk_completion_line_signals[NOTUNIQUE] =
g_signal_new("notunique",
G_TYPE_FROM_CLASS(object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET(GtkCompletionLineClass, notunique),
NULL,
NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE,
0);
gtk_completion_line_signals[INCOMPLETE] =
g_signal_new("incomplete",
G_TYPE_FROM_CLASS(object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET(GtkCompletionLineClass, incomplete),
NULL,
NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE,
0);
gtk_completion_line_signals[RUNWITHTERM] =
g_signal_new("runwithterm",
G_TYPE_FROM_CLASS(object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET(GtkCompletionLineClass, runwithterm),
NULL,
NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE,
0);
gtk_completion_line_signals[SEARCH_MODE] =
g_signal_new("search_mode",
G_TYPE_FROM_CLASS(object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET(GtkCompletionLineClass, search_mode),
NULL,
NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE,
0);
gtk_completion_line_signals[SEARCH_NOT_FOUND] =
g_signal_new("search_not_found",
G_TYPE_FROM_CLASS(object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET(GtkCompletionLineClass, search_not_found),
NULL,
NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE,
0);
gtk_completion_line_signals[SEARCH_LETTER] =
g_signal_new("search_letter",
G_TYPE_FROM_CLASS(object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET(GtkCompletionLineClass, search_letter),
NULL,
NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE,
0);
gtk_completion_line_signals[EXT_HANDLER] =
g_signal_new("ext_handler",
G_TYPE_FROM_CLASS(object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET(GtkCompletionLineClass, ext_handler),
NULL,
NULL,
g_cclosure_marshal_VOID__POINTER,
G_TYPE_NONE,
1,
G_TYPE_POINTER);
gtk_completion_line_signals[CANCEL] =
g_signal_new("cancel",
G_TYPE_FROM_CLASS(object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET(GtkCompletionLineClass, ext_handler),
NULL,
NULL,
g_cclosure_marshal_VOID__POINTER,
G_TYPE_NONE,
1,
G_TYPE_POINTER);
//GTK_WIDGET_class_add_signals(object_class,
// gtk_completion_line_signals, LAST_SIGNAL);
klass->unique = NULL;
klass->notunique = NULL;
klass->incomplete = NULL;
klass->runwithterm = NULL;
klass->search_mode = NULL;
klass->search_letter = NULL;
klass->search_not_found = NULL;
klass->ext_handler = NULL;
klass->cancel = NULL;
}
/* init */
static void
gtk_completion_line_init(GtkCompletionLine *object)
{
/* Add object initialization / creation stuff here */
object->where = NULL;
object->cmpl = NULL;
object->win_compl = NULL;
object->list_compl = NULL;
object->hist_search_mode = GCL_SEARCH_OFF;
object->hist_word = new string;
object->tabtimeout = 0;
object->show_dot_files = 0;
on_key_press_handler =
g_signal_connect(GTK_WIDGET(object), "key_press_event",
G_CALLBACK(on_key_press), NULL);
g_signal_connect(GTK_WIDGET(object), "key_release_event",
G_CALLBACK(on_key_press), NULL);
object->hist = new HistoryFile();
object->first_key = 1;
}
void gtk_completion_line_last_history_item(GtkCompletionLine* object) {
const char *last_item = object->hist->last_item();
if (last_item) {
object->hist->set_default("");
const char* txt = object->hist->prev();
gtk_entry_set_text(GTK_ENTRY(object),
g_locale_to_utf8 (txt, -1, NULL, NULL, NULL));
}
}
string quote_string(const string& str)
{
string res;
const char* i = str.c_str();
while (*i) {
char c = *i++;
switch (c) {
case ' ':
res += '\\';
default:
res += c;
}
}
return res;
}
static void
get_token(istream& is, string& s)
{
s.clear();
bool escaped = false;
while (!is.eof()) {
char c = is.get();
if (is.eof())
break;
if (escaped) {
s += c;
escaped = false;
} else if (c == '\\') {
// s += c;
escaped = true;
} else if (::isspace(c)) {
while (::isspace(c) && !is.eof()) c = is.get();
if (!is.eof())
is.unget();
break;
} else {
s += c;
}
}
}
int
get_words(GtkCompletionLine *object, vector<string>& words)
{
string content(gtk_entry_get_text(GTK_ENTRY(object)));
int pos_in_text = gtk_editable_get_position(GTK_EDITABLE(object));
int pos = 0;
{
string::iterator i = content.begin() + pos_in_text;
if (i != content.end())
content.insert(i, ' ');
}
istringstream ss(content);
while (!ss.eof()) {
string s;
// ss >> s;
get_token(ss, s);
words.push_back(s);
if (ss.eof()) break;
if (ss.tellg() < pos_in_text && ss.tellg() >= 0)
++pos;
}
return pos;
}
int
set_words(GtkCompletionLine *object, const vector<string>& words, int pos = -1)
{
ostringstream ss;
if (pos == -1)
pos = words.size() - 1;
int where = 0;
vector<string>::const_iterator
i = words.begin(),
i_end = words.end();
while (i != i_end) {
ss << quote_string(*i++);
if (i != i_end)
ss << ' ';
if (!pos && !where)
where = ss.tellp();
else
--pos;
}
ss << ends;
if (words.size() == 1) {
const string& s = words.back();
size_t pos = s.rfind('.');
if (pos != string::npos)
g_signal_emit_by_name(
GTK_WIDGET(object), "ext_handler", s.substr(pos + 1).c_str());
else
g_signal_emit_by_name(GTK_WIDGET(object), "ext_handler", NULL);
}
gtk_entry_set_text(GTK_ENTRY(object),
g_locale_to_utf8 (ss.str().c_str(), -1, NULL, NULL, NULL));
gtk_editable_set_position(GTK_EDITABLE(object), where);
return where;
}
static void
generate_path()
{
char *path_cstr = (char*)getenv("PATH");
istringstream path_ss(path_cstr);
string tmp;
path.clear();
while (!path_ss.eof()) {
tmp = "";
do {
char c;
c = path_ss.get();
if (c == ':' || path_ss.eof()) break;
else tmp += c;
} while (true);
if (tmp.length() != 0)
path.insert(tmp);
}
}
static int
select_executables_only(const struct dirent* dent)
{
int len = strlen(dent->d_name);
int lenp = prefix.length();
if (dent->d_name[0] == '.') {
if (!g_show_dot_files)
return 0;
if (dent->d_name[1] == '\0')
return 0;
if ((dent->d_name[1] == '.') && (dent->d_name[2] == '\0'))
return 0;
}
if (dent->d_name[len - 1] == '~')
return 0;
if (lenp == 0)
return 1;
if (lenp > len)
return 0;
if (strncmp(dent->d_name, prefix.c_str(), lenp) == 0)
return 1;
return 0;
}
int my_alphasort(const struct dirent **a, const struct dirent **b) {
const char* s1 = (*a)->d_name;
const char* s2 = (*b)->d_name;
int l1 = strlen(s1);
int l2 = strlen(s2);
int result = strcmp(s1, s2);
if (result == 0) return 0;
if (l1 < l2) {
int res2 = strncmp(s1, s2, l1);
if (res2 == 0) return -1;
} else {
int res2 = strncmp(s1, s2, l2);
if (res2 == 0) return 1;
}
return result;
}
static void
generate_execs()
{
execs.clear();
for (StrSet::iterator i = path.begin(); i != path.end(); i++) {
struct dirent **eps;
int n = scandir(i->c_str(), &eps, select_executables_only, my_alphasort);
if (n >= 0) {
for (int j = 0; j < n; j++) {
execs.insert(eps[j]->d_name);
free(eps[j]);
}
free(eps);
}
}
}
static int
generate_completion_from_execs(GtkCompletionLine *object)
{
g_list_foreach(object->cmpl, (GFunc)g_string_free, NULL);
g_list_free(object->cmpl);
object->cmpl = NULL;
for (StrSet::const_iterator i = execs.begin(); i != execs.end(); i++) {
GString *the_fucking_gstring = g_string_new(i->c_str());
object->cmpl = g_list_append(object->cmpl, the_fucking_gstring);
}
return 0;
}
static string
get_common_part(const char *p1, const char *p2)
{
string ret;
while (*p1 == *p2 && *p1 != '\0' && *p2 != '\0') {
ret += *p1;
p1++;
p2++;
}
return ret;
}
static int
complete_common(GtkCompletionLine *object)
{
GList *l;
GList *ls = object->cmpl;
vector<string> words;
int pos = get_words(object, words);
words[pos] = ((GString*)ls->data)->str;
ls = g_list_next(ls);
while (ls != NULL) {
words[pos] = get_common_part(words[pos].c_str(),
((GString*)ls->data)->str);
ls = g_list_next(ls);
}
set_words(object, words, pos);
ls = object->cmpl;
l = ls;
return 0;
}
static int
generate_dirlist(const char *what)
{
char *str = strdup(what);
char *p = str + 1;
char *filename = str;
string dest("/");
int n;
while (*p != '\0') {
dest += *p;
if (*p == '/') {
DIR* dir = opendir(dest.c_str());
if (!dir)
goto dirty;
closedir(dir);
filename = p;
}
++p;
}
*filename = '\0';
filename++;
dest = str;
dest += '/';
dirlist.clear();
struct dirent **eps;
prefix = filename;
n = scandir(dest.c_str(), &eps, select_executables_only, my_alphasort);
if (n >= 0) {
for (int j = 0; j < n; j++) {
{
string foo(dest);
foo += eps[j]->d_name;
struct stat filestatus;
stat(foo.c_str(), &filestatus);
if (S_ISDIR(filestatus.st_mode)) foo += '/';
dirlist.insert(foo);
}
free(eps[j]);
}
free(eps);
}
free(str);
return GEN_COMPLETION_OK;
dirty:
free(str);
return GEN_CANT_COMPLETE;
}
static int
generate_completion_from_dirlist(GtkCompletionLine *object)
{
g_list_foreach(object->cmpl, (GFunc)g_string_free, NULL);
g_list_free(object->cmpl);
object->cmpl = NULL;
for (StrSet::const_iterator i = dirlist.begin(); i != dirlist.end(); i++) {
GString *the_fucking_gstring = g_string_new(i->c_str());
object->cmpl = g_list_append(object->cmpl, the_fucking_gstring);
}
return 0;
}
static int
parse_tilda(GtkCompletionLine *object)
{
string text = gtk_entry_get_text(GTK_ENTRY(object));
gint where = (gint)text.find("~");
if (where != string::npos) {
if ((where > 0) && (text[where - 1] != ' '))
return 0;
if (where < text.size() - 1 && text[where + 1] != '/') {
// FIXME: Parse another user's home
} else {
string home = g_get_home_dir();
size_t i = home.length() - 1;
while ((i >= 0) && (home[i] == '/'))
home.erase(i--);
gtk_editable_insert_text(GTK_EDITABLE(object), home.c_str(), home.length(), &where);
gtk_editable_delete_text(GTK_EDITABLE(object), where, where + 1);
}
}
return 0;
}
static void
complete_from_list(GtkCompletionLine *object)
{
parse_tilda(object);
vector<string> words;
int pos = get_words(object, words);
prefix = words[pos];
if (object->win_compl != NULL) {
object->where = (GList*)gtk_clist_get_row_data(
GTK_CLIST(object->list_compl), object->list_compl_items_where);
words[pos] = ((GString*)object->where->data)->str;
int current_pos = set_words(object, words, pos);
int &item = object->list_compl_items_where;
gtk_clist_select_row(GTK_CLIST(object->list_compl), item, 0);
gtk_clist_moveto(GTK_CLIST(object->list_compl), item, 0, 0.5, 0.0);
} else {
words[pos] = ((GString*)object->where->data)->str;
object->pos_in_text = gtk_editable_get_position(GTK_EDITABLE(object));
int current_pos = set_words(object, words, pos);
object->where = g_list_next(object->where);
}
}
static void
on_row_selected(GtkWidget *ls, gint row, gint col, GdkEvent *ev, gpointer data)
{
GtkCompletionLine *cl = GTK_COMPLETION_LINE(data);
cl->list_compl_items_where = row;
g_signal_handler_block(GTK_WIDGET(cl->list_compl),
on_row_selected_handler);
complete_from_list(cl);
g_signal_handler_block(GTK_WIDGET(cl->list_compl),
on_row_selected_handler);
}
static void
get_prefix(GtkCompletionLine *object)
{
parse_tilda(object);
vector<string> words;
int pos = get_words(object, words);
prefix = words[pos];
}
static int
complete_line(GtkCompletionLine *object)
{
parse_tilda(object);
vector<string> words;
int pos = get_words(object, words);
prefix = words[pos];
g_show_dot_files = object->show_dot_files;
if (prefix[0] != '/') {
if (object->where == NULL) {
generate_path();
generate_execs();
generate_completion_from_execs(object);
object->where = NULL;
}
} else if (object->where == NULL) {
generate_dirlist(prefix.c_str());
generate_completion_from_dirlist(object);
object->where = NULL;
}
if (object->cmpl != NULL) {
complete_common(object);
object->where = object->cmpl;
}
// FUCK C! C++ Rules!
if (object->where != NULL) {
if (object->win_compl != NULL) {
int &item = object->list_compl_items_where;
++item;
if (item >= object->list_compl_nr_rows)
item = object->list_compl_nr_rows - 1;
}
complete_from_list(object);
} else if (object->cmpl != NULL) {
complete_common(object);
object->where = object->cmpl;
}
GList *ls = object->cmpl;
if (g_list_length(ls) == 1) {
g_signal_emit_by_name(GTK_WIDGET(object), "unique");
return GEN_COMPLETION_OK;
} else if (g_list_length(ls) == 0 || ls == NULL) {
g_signal_emit_by_name(GTK_WIDGET(object), "incomplete");
return GEN_CANT_COMPLETE;
} else if (g_list_length(ls) > 1) {
g_signal_emit_by_name(GTK_WIDGET(object), "notunique");
vector<string> words;
int pos = get_words(object, words);
if (words[pos] == ((GString*)ls->data)->str) {
if (object->win_compl == NULL) {
object->win_compl = gtk_window_new(GTK_WINDOW_POPUP);
gtk_widget_set_name(object->win_compl, "Msh_Run_Window");
/*gtk_window_set_position(GTK_WINDOW(object->win_compl),
GTK_WIN_POS_MOUSE);*/
gtk_window_set_policy(GTK_WINDOW(object->win_compl),
FALSE, FALSE, TRUE);
object->list_compl = gtk_clist_new(1);
on_row_selected_handler =
g_signal_connect(GTK_WIDGET(object->list_compl), "select_row",
G_CALLBACK(on_row_selected), object);
g_signal_handler_block(GTK_WIDGET(object->list_compl),
on_row_selected_handler);
GList *p = ls;
object->list_compl_nr_rows = 0;
while (p) {
char *tmp[2];
tmp[0] = ((GString*)p->data)->str;
tmp[1] = NULL;
int row = gtk_clist_append(GTK_CLIST(object->list_compl), tmp);
gtk_clist_set_row_data(GTK_CLIST(object->list_compl), row, p);
object->list_compl_nr_rows++;
p = g_list_next(p);
}
GtkWidget *scroll = gtk_scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scroll), GTK_SHADOW_OUT);
gtk_widget_show(scroll);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW (scroll),
GTK_POLICY_NEVER,
GTK_POLICY_AUTOMATIC);
gtk_container_set_border_width(GTK_CONTAINER(object->list_compl), 2);
gtk_container_add(GTK_CONTAINER (scroll), object->list_compl);
object->list_compl_items_where = 0;
gtk_widget_show(object->list_compl);
int w = gtk_clist_optimal_column_width(GTK_CLIST(object->list_compl), 0);
gtk_widget_set_usize(scroll, w + 40, 150);
gtk_container_add(GTK_CONTAINER(object->win_compl), scroll);
GdkWindow *top = gtk_widget_get_parent_window(GTK_WIDGET(object));
int x, y;
gdk_window_get_position(top, &x, &y);
x += GTK_WIDGET(object)->allocation.x;
y += GTK_WIDGET(object)->allocation.y +
GTK_WIDGET(object)->allocation.height;
// gtk_widget_popup(object->win_compl, x, y);
gtk_window_move(GTK_WINDOW(object->win_compl), x, y);
gtk_widget_show(object->win_compl);
gtk_clist_select_row(GTK_CLIST(object->list_compl),
object->list_compl_items_where, 0);
g_signal_handler_block(GTK_WIDGET(object->list_compl),
on_row_selected_handler);
}
return GEN_COMPLETION_OK;
}
return GEN_NOT_UNIQUE;
}
return GEN_COMPLETION_OK;
}
GtkWidget *
gtk_completion_line_new()
{
return GTK_WIDGET(g_object_new(gtk_completion_line_get_type(), NULL));
}
static void
up_history(GtkCompletionLine* cl)
{
cl->hist->set_default(gtk_entry_get_text(GTK_ENTRY(cl)));
gtk_entry_set_text(GTK_ENTRY(cl),
g_locale_to_utf8 (cl->hist->prev(), -1, NULL, NULL, NULL));
}
static void
down_history(GtkCompletionLine* cl)
{
cl->hist->set_default(gtk_entry_get_text(GTK_ENTRY(cl)));
gtk_entry_set_text(GTK_ENTRY(cl),
g_locale_to_utf8 (cl->hist->next(), -1, NULL, NULL, NULL));
}
static int
search_back_history(GtkCompletionLine* cl, bool avance, bool begin)
{
if (!cl->hist_word->empty()) {
const char * histext;
if (avance) {
histext = cl->hist->prev_to_first();
if (histext == NULL) {
g_signal_emit_by_name(GTK_WIDGET(cl), "search_not_found");
return 0;
}
} else {
histext = gtk_entry_get_text(GTK_ENTRY(cl));
}
while (true) {
string s = histext;
string::size_type i;
i = s.find(*cl->hist_word);
if (i != string::npos && !(begin && i != 0)) {
const char *tmp = gtk_entry_get_text(GTK_ENTRY(cl));
if (!(avance && strcmp(tmp, histext) == 0)) {
gtk_entry_set_text(GTK_ENTRY(cl),
g_locale_to_utf8 (histext, -1, NULL, NULL, NULL));
g_signal_emit_by_name(GTK_WIDGET(cl), "search_letter");
return 1;
}
}
histext = cl->hist->prev_to_first();
if (histext == NULL) {
g_signal_emit_by_name(GTK_WIDGET(cl), "search_not_found");
break;
}
}
} else {
g_signal_emit_by_name(GTK_WIDGET(cl), "search_letter");
}
return 0;
}
static int
search_forward_history(GtkCompletionLine* cl, bool avance, bool begin)
{
if (!cl->hist_word->empty()) {
const char * histext;
if (avance) {
histext = cl->hist->next_to_last();
if (histext == NULL) {
g_signal_emit_by_name(GTK_WIDGET(cl), "search_not_found");
return 0;
}
} else {
histext = gtk_entry_get_text(GTK_ENTRY(cl));
}
while (true) {
string s = histext;
string::size_type i;
i = s.find(*cl->hist_word);
if (i != string::npos && !(begin && i != 0)) {
const char *tmp = gtk_entry_get_text(GTK_ENTRY(cl));
if (!(avance && strcmp(tmp, histext) == 0)) {
gtk_entry_set_text(GTK_ENTRY(cl),
g_locale_to_utf8 (histext, -1, NULL, NULL, NULL));
g_signal_emit_by_name(GTK_WIDGET(cl), "search_letter");
return 1;
}
}
histext = cl->hist->next_to_last();
if (histext == NULL) {
g_signal_emit_by_name(GTK_WIDGET(cl), "search_not_found");
break;
}
}
} else {
g_signal_emit_by_name(GTK_WIDGET(cl), "search_letter");
}
return 0;
}
static int
search_history(GtkCompletionLine* cl, bool avance, bool begin)
{
switch (cl->hist_search_mode) {
case GCL_SEARCH_REW:
case GCL_SEARCH_BEG:
return search_back_history(cl, avance, begin);
case GCL_SEARCH_FWD:
return search_forward_history(cl, avance, begin);
default:
return -1;
}
}
static void
search_off(GtkCompletionLine* cl)
{
int pos = gtk_editable_get_position(GTK_EDITABLE(cl));
cl->hist_search_mode = GCL_SEARCH_OFF;
g_signal_emit_by_name(GTK_WIDGET(cl), "search_mode");
cl->hist->reset_position();
}
#define STOP_PRESS \
(g_signal_stop_emission_by_name(GTK_WIDGET(cl), "key_press_event"))
#define MODE_BEG \
(cl->hist_search_mode == GCL_SEARCH_BEG)
#define MODE_REW \
(cl->hist_search_mode == GCL_SEARCH_REW)
#define MODE_FWD \
(cl->hist_search_mode == GCL_SEARCH_FWD)
#define MODE_SRC \
(cl->hist_search_mode != GCL_SEARCH_OFF)
static gint tab_pressed(GtkCompletionLine* cl)
{
if (MODE_SRC)
search_off(cl);
complete_line(cl);
return FALSE;
}
static void
clear_selection(GtkCompletionLine* cl)
{
int pos = gtk_editable_get_position(GTK_EDITABLE(cl));
gtk_editable_select_region(GTK_EDITABLE(cl), pos, pos);
}
static gboolean
on_key_press(GtkCompletionLine *cl, GdkEventKey *event, gpointer data)
{
static gint tt_id = -1;
switch (event->type) {
case GDK_KEY_PRESS:
switch (event->keyval) {
case GDK_KEY_Control_R:
case GDK_KEY_Control_L:
case GDK_KEY_Shift_R:
case GDK_KEY_Shift_L:
case GDK_KEY_Alt_R:
case GDK_KEY_Alt_L:
break;
case GDK_KEY_Tab:
if (tt_id != -1) {
gtk_timeout_remove(tt_id);
tt_id = -1;
}
tab_pressed(cl);
STOP_PRESS;
return TRUE;
case GDK_KEY_Up:
if (cl->win_compl != NULL) {
int &item = cl->list_compl_items_where;
item--;
if (item < 0) {
item = 0;
} else {
complete_from_list(cl);
}
} else {
up_history(cl);
}
if (MODE_SRC) {
search_off(cl);
}
STOP_PRESS;
return TRUE;
case GDK_KEY_space:
{
cl->first_key = 0;
bool search = MODE_SRC;
if (search)
search_off(cl);
if (cl->win_compl != NULL) {
gtk_widget_destroy(cl->win_compl);
cl->win_compl = NULL;
if (!search) {
int pos = gtk_editable_get_position(GTK_EDITABLE(cl));
}
}
}
return FALSE;
case GDK_KEY_Down:
if (cl->win_compl != NULL) {
int &item = cl->list_compl_items_where;
item++;
if (item >= cl->list_compl_nr_rows) {
item = cl->list_compl_nr_rows - 1;
} else {
complete_from_list(cl);
}
} else {
down_history(cl);
}
if (MODE_SRC) {
search_off(cl);
}
STOP_PRESS;
return TRUE;
case GDK_KEY_Return:
if (cl->win_compl != NULL) {
gtk_widget_destroy(cl->win_compl);
cl->win_compl = NULL;
}
if (event->state & GDK_CONTROL_MASK) {
g_signal_emit_by_name(GTK_WIDGET(cl), "runwithterm");
} else {
g_signal_emit_by_name(GTK_WIDGET(cl), "activate");
}
STOP_PRESS;
return TRUE;
case GDK_KEY_exclam:
if (!MODE_BEG) {
if (!MODE_SRC)
gtk_editable_delete_selection(GTK_EDITABLE(cl));
const char *tmp = gtk_entry_get_text(GTK_ENTRY(cl));
if (!(*tmp == '\0' || cl->first_key))
goto ordinary;
cl->hist_search_mode = GCL_SEARCH_BEG;
cl->hist_word->clear();
g_signal_emit_by_name(GTK_WIDGET(cl), "search_mode");
STOP_PRESS;
return true;
} else goto ordinary;
case GDK_KEY_R:
case GDK_KEY_r:
if (event->state & GDK_CONTROL_MASK) {
if (MODE_SRC) {
search_back_history(cl, true, MODE_BEG);
} else {
cl->hist_search_mode = GCL_SEARCH_REW;
cl->hist_word->clear();
cl->hist->reset_position();
g_signal_emit_by_name(GTK_WIDGET(cl), "search_mode");
}
STOP_PRESS;
return TRUE;
} else goto ordinary;
case GDK_KEY_S:
case GDK_KEY_s:
if (event->state & GDK_CONTROL_MASK) {
if (MODE_SRC) {
search_forward_history(cl, true, MODE_BEG);
} else {
cl->hist_search_mode = GCL_SEARCH_FWD;
cl->hist_word->clear();
cl->hist->reset_position();
g_signal_emit_by_name(GTK_WIDGET(cl), "search_mode");
}
STOP_PRESS;
return TRUE;
} else goto ordinary;
case GDK_KEY_BackSpace:
if (MODE_SRC) {
if (!cl->hist_word->empty()) {
cl->hist_word->erase(cl->hist_word->length() - 1);
g_signal_emit_by_name(GTK_WIDGET(cl), "search_letter");
}
STOP_PRESS;
return TRUE;
}
return FALSE;
case GDK_KEY_Home:
case GDK_KEY_End:
clear_selection(cl);
goto ordinary;
case GDK_KEY_Escape:
if (MODE_SRC) {
search_off(cl);
} else if (cl->win_compl != NULL) {
gtk_widget_destroy(cl->win_compl);
cl->win_compl = NULL;
} else {
// user cancelled
g_signal_emit_by_name(GTK_WIDGET(cl), "cancel");
}
STOP_PRESS;
return TRUE;
case GDK_KEY_G:
case GDK_KEY_g:
if (event->state & GDK_CONTROL_MASK) {
search_off(cl);
if (MODE_SRC)
STOP_PRESS;
return TRUE;
} else goto ordinary;
case GDK_KEY_E:
case GDK_KEY_e:
if (event->state & GDK_CONTROL_MASK) {
search_off(cl);
if (MODE_SRC)
clear_selection(cl);
}
goto ordinary;
ordinary:
default:
cl->first_key = 0;
if (cl->win_compl != NULL) {
gtk_widget_destroy(cl->win_compl);
cl->win_compl = NULL;
}
cl->where = NULL;
if (MODE_SRC) {
if (event->length > 0) {
*cl->hist_word += event->string;
if (search_history(cl, false, MODE_BEG) <= 0)
cl->hist_word->erase(cl->hist_word->length() - 1);
STOP_PRESS;
return TRUE;
} else
search_off(cl);
}
if (cl->tabtimeout != 0) {
if (tt_id != -1) {
gtk_timeout_remove(tt_id);
tt_id = -1;
}
if (::isprint(*event->string))
tt_id = gtk_timeout_add(cl->tabtimeout,
GtkFunction(tab_pressed), cl);
}
break;
}
break;
default:
break;
}
return FALSE;
}
#undef STOP_PRESS
#undef MODE_BEG
#undef MODE_REW
#undef MODE_FWD
#undef MODE_SRC
// Local Variables: ***
// mode: c++ ***
// c-basic-offset: 2 ***
// End: ***
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