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Merge branch 'wip/carlosg/tablet-invalid-reads' into 'gtk-3-24'

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Fix invalid reads on tablet input

See merge request GNOME/gtk!1121
This commit is contained in:
Matthias Clasen 2019-10-09 12:18:02 +00:00
commit e997ef60da
1 changed files with 14 additions and 7 deletions
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21
gdk/wayland/gdkdevice-wayland.c
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@ -3468,6 +3468,8 @@ static void
gdk_wayland_tablet_flush_frame_event (GdkWaylandTabletData *tablet,
guint32 time)
{
GdkEventType event_type;
GdkWindow *window;
GdkEvent *event;
event = tablet->pointer_info.frame.event;
@ -3476,7 +3478,10 @@ gdk_wayland_tablet_flush_frame_event (GdkWaylandTabletData *tablet,
if (!event)
return;
switch (event->type)
event_type = event->type;
window = g_object_ref (gdk_event_get_window (event));
switch (event_type)
{
case GDK_MOTION_NOTIFY:
event->motion.time = time;
@ -3504,18 +3509,20 @@ gdk_wayland_tablet_flush_frame_event (GdkWaylandTabletData *tablet,
return;
}
if (event->type == GDK_PROXIMITY_OUT)
emulate_crossing (event->proximity.window, NULL, tablet->master,
if (event_type == GDK_PROXIMITY_OUT)
emulate_crossing (window, NULL, tablet->master,
tablet->current_device, GDK_LEAVE_NOTIFY,
GDK_CROSSING_NORMAL, time);
_gdk_wayland_display_deliver_event (gdk_seat_get_display (tablet->seat),
event);
if (event->type == GDK_PROXIMITY_IN)
emulate_crossing (event->proximity.window, NULL, tablet->master,
if (event_type == GDK_PROXIMITY_IN)
emulate_crossing (window, NULL, tablet->master,
tablet->current_device, GDK_ENTER_NOTIFY,
GDK_CROSSING_NORMAL, time);
g_object_unref (window);
}
static GdkEvent *
@ -4616,7 +4623,7 @@ pointer_surface_enter (void *data,
if (tablet)
{
tablet->pointer_info.pointer_surface_outputs =
g_slist_append (seat->pointer_info.pointer_surface_outputs, output);
g_slist_append (tablet->pointer_info.pointer_surface_outputs, output);
}
else
{
@ -4645,7 +4652,7 @@ pointer_surface_leave (void *data,
if (tablet)
{
tablet->pointer_info.pointer_surface_outputs =
g_slist_remove (seat->pointer_info.pointer_surface_outputs, output);
g_slist_remove (tablet->pointer_info.pointer_surface_outputs, output);
}
else
{