Allow dragging with the middle mouse button

This commit is contained in:
Přemysl Eric Janouch 2022-09-03 16:16:46 +02:00
parent 9c2d659d89
commit 7b88e89489
Signed by: p
GPG Key ID: A0420B94F92B9493

View File

@ -921,8 +921,18 @@ on_drag_begin(GtkGestureDrag *drag, G_GNUC_UNUSED gdouble start_x,
G_GNUC_UNUSED gdouble start_y, gpointer user_data)
{
GtkGesture *gesture = GTK_GESTURE(drag);
GdkEventSequence *sequence = gtk_gesture_get_last_updated_sequence(gesture);
switch (
gtk_gesture_single_get_current_button(GTK_GESTURE_SINGLE(gesture))) {
case GDK_BUTTON_PRIMARY:
case GDK_BUTTON_MIDDLE:
break;
default:
gtk_gesture_set_state(gesture, GTK_EVENT_SEQUENCE_DENIED);
return;
}
GdkModifierType state = 0;
GdkEventSequence *sequence = gtk_gesture_get_last_updated_sequence(gesture);
gdk_event_get_state(gtk_gesture_get_last_event(gesture, sequence), &state);
if (state & gtk_accelerator_get_default_mod_mask()) {
gtk_gesture_set_state(gesture, GTK_EVENT_SEQUENCE_DENIED);
@ -1325,6 +1335,7 @@ fiv_view_init(FivView *self)
// so we can't change this), hopefully this is mutually exclusive with that.
// Though note that the GdkWindow doesn't register for touch events now.
gtk_gesture_single_set_exclusive(GTK_GESTURE_SINGLE(drag), TRUE);
gtk_gesture_single_set_button(GTK_GESTURE_SINGLE(drag), 0);
g_signal_connect(drag, "drag-begin",
G_CALLBACK(on_drag_begin), self);