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[X11] Prevent IME activation from entering infinite loop.

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This commit is contained in:
bruvzg 2023-01-25 10:21:27 +02:00
parent a3a42159e3
commit b713cfdccd
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GPG key ID: 7960FCF39844EC38
1 changed files with 34 additions and 31 deletions
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65
platform/linuxbsd/x11/display_server_x11.cpp
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@ -2496,6 +2496,9 @@ void DisplayServerX11::window_set_ime_active(const bool p_active, WindowID p_win
return;
}
if (!wd.focused) {
wd.ime_active = false;
im_text = String();
im_selection = Vector2i();
return;
}
@ -2524,7 +2527,6 @@ void DisplayServerX11::window_set_ime_active(const bool p_active, WindowID p_win
im_text = String();
im_selection = Vector2i();
}
OS_Unix::get_singleton()->get_main_loop()->notification(MainLoop::NOTIFICATION_OS_IME_UPDATE);
}
void DisplayServerX11::window_set_ime_position(const Point2i &p_pos, WindowID p_window) {
@ -3316,42 +3318,43 @@ void DisplayServerX11::_xim_preedit_draw_callback(::XIM xim, ::XPointer client_d
WindowData &wd = ds->windows[window_id];
XIMText *xim_text = call_data->text;
if (xim_text != nullptr) {
String changed_text;
if (xim_text->encoding_is_wchar) {
changed_text = String(xim_text->string.wide_char);
} else {
changed_text.parse_utf8(xim_text->string.multi_byte);
}
if (wd.ime_active) {
if (xim_text != nullptr) {
String changed_text;
if (xim_text->encoding_is_wchar) {
changed_text = String(xim_text->string.wide_char);
} else {
changed_text.parse_utf8(xim_text->string.multi_byte);
}
if (call_data->chg_length < 0) {
ds->im_text = ds->im_text.substr(0, call_data->chg_first) + changed_text;
} else {
ds->im_text = ds->im_text.substr(0, call_data->chg_first) + changed_text + ds->im_text.substr(call_data->chg_length);
}
if (call_data->chg_length < 0) {
ds->im_text = ds->im_text.substr(0, call_data->chg_first) + changed_text;
} else {
ds->im_text = ds->im_text.substr(0, call_data->chg_first) + changed_text + ds->im_text.substr(call_data->chg_length);
}
// Find the start and end of the selection.
int start = 0, count = 0;
for (int i = 0; i < xim_text->length; i++) {
if (xim_text->feedback[i] & XIMReverse) {
if (count == 0) {
start = i;
count = 1;
} else {
count++;
// Find the start and end of the selection.
int start = 0, count = 0;
for (int i = 0; i < xim_text->length; i++) {
if (xim_text->feedback[i] & XIMReverse) {
if (count == 0) {
start = i;
count = 1;
} else {
count++;
}
}
}
}
if (count > 0) {
ds->im_selection = Point2i(start + call_data->chg_first, count);
if (count > 0) {
ds->im_selection = Point2i(start + call_data->chg_first, count);
} else {
ds->im_selection = Point2i(call_data->caret, 0);
}
} else {
ds->im_selection = Point2i(call_data->caret, 0);
ds->im_text = String();
ds->im_selection = Point2i();
}
} else {
ds->im_text = String();
ds->im_selection = Point2i();
}
if (wd.ime_active) {
OS_Unix::get_singleton()->get_main_loop()->notification(MainLoop::NOTIFICATION_OS_IME_UPDATE);
}
}