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Button/ImageButton: consume touch events

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Androids button consumes touch events, while GTKs button lets touch
events propagate to the parent. This previously caused some glitches
with buttons inside a CoordinatorLayout.
This commit is contained in:
Julian Winkler
2024-07-19 14:06:52 +02:00
parent c7f64cd24b
commit 23e7d32924
4 changed files with 27 additions and 0 deletions
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24
src/api-impl-jni/widgets/WrapperWidget.c
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@@ -224,3 +224,27 @@ void wrapper_widget_set_background(WrapperWidget *wrapper, GdkPaintable *paintab
}
gtk_picture_set_paintable(GTK_PICTURE(wrapper->background), paintable);
}
static gboolean on_touch_event_consume(GtkEventControllerLegacy *controller, GdkEvent *event) {
switch(gdk_event_get_event_type(event)) {
case GDK_BUTTON_PRESS:
case GDK_TOUCH_BEGIN:
case GDK_BUTTON_RELEASE:
case GDK_TOUCH_END:
case GDK_MOTION_NOTIFY:
case GDK_TOUCH_UPDATE:
return TRUE;
default:
return FALSE;
}
}
// Add default on touch listener, which just consumes all events to prevent bubbling to the parent
void wrapper_widget_consume_touch_events(WrapperWidget *wrapper)
{
GtkEventController *controller = GTK_EVENT_CONTROLLER(gtk_event_controller_legacy_new());
g_signal_connect(controller, "event", G_CALLBACK(on_touch_event_consume), NULL);
gtk_widget_add_controller(GTK_WIDGET(wrapper), controller);
g_object_set_data(G_OBJECT(wrapper), "on_touch_listener", controller);
}