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surface: Introduce an ::event signal

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This will eventually replace the event handler
as the method to get events over the gdk/gtk
boundary.
This commit is contained in:
Matthias Clasen 2019-02-23 13:45:10 -05:00
parent ccbaec0231
commit 23fb77af43
1 changed files with 20 additions and 2 deletions
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22
gdk/gdksurface.c
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@ -99,6 +99,7 @@ enum {
MOVED_TO_RECT,
SIZE_CHANGED,
RENDER,
EVENT,
LAST_SIGNAL
};
@ -345,6 +346,18 @@ gdk_surface_class_init (GdkSurfaceClass *klass)
G_TYPE_BOOLEAN,
1,
CAIRO_GOBJECT_TYPE_REGION);
signals[EVENT] =
g_signal_new (g_intern_static_string ("event"),
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
0,
g_signal_accumulator_true_handled,
NULL,
NULL,
G_TYPE_BOOLEAN,
1,
GDK_TYPE_EVENT);
}
static void
@ -5462,12 +5475,17 @@ gdk_synthesize_surface_state (GdkSurface *surface,
gboolean
gdk_surface_handle_event (GdkEvent *event)
{
gboolean handled = FALSE;
if (gdk_event_get_event_type (event) == GDK_CONFIGURE)
{
g_signal_emit (gdk_event_get_surface (event), signals[SIZE_CHANGED], 0,
event->configure.width, event->configure.height);
return TRUE;
handled = TRUE;
}
else
{
g_signal_emit (gdk_event_get_surface (event), signals[EVENT], 0, event, &handled);
}
return FALSE;
return handled;
}