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core: Add ::focus-window signal

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This will be triggered whenever the input focus changes, so that
other pieces may hook to this place.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3269>
This commit is contained in:
Carlos Garnacho 2023-09-05 13:08:14 +02:00 committed by Georges Basile Stavracas Neto
parent ae102ee301
commit 24344d8141
1 changed files with 10 additions and 0 deletions
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10
src/core/display.c
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@ -347,6 +347,14 @@ meta_display_class_init (MetaDisplayClass *klass)
g_signal_accumulator_first_wins, NULL, NULL,
G_TYPE_BOOLEAN, 0);
display_signals[FOCUS_WINDOW] =
g_signal_new ("focus-window",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL, NULL,
G_TYPE_NONE, 2, META_TYPE_WINDOW, G_TYPE_INT64);
display_signals[WINDOW_CREATED] =
g_signal_new ("window-created",
G_TYPE_FROM_CLASS (klass),
@ -1618,6 +1626,8 @@ meta_display_set_input_focus (MetaDisplay *display,
if (meta_display_timestamp_too_old (display, &timestamp))
return;
g_signal_emit (display, display_signals[FOCUS_WINDOW], 0, window, ms2us (timestamp));
#ifdef HAVE_X11_CLIENT
if (display->x11_display)
{