The GDK motion-notify-event isn't generated when the pointer goes out of the target window even if the pointer is grabbed, which essentially means to lose the pointer tracking in gtk-ui.
Meanwhile the generic "event" signal is sent when the pointer is grabbed, so we can use this and pick the motion notify events manually there instead. Reference: https://bugzilla.novell.com/show_bug.cgi?id=849587 Tested-by: Cole Robinson <crobi...@redhat.com> Reviewed-by: Cole Robinson <crobi...@redhat.com> Signed-off-by: Takashi Iwai <ti...@suse.de> --- ui/gtk.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/ui/gtk.c b/ui/gtk.c index f056e4034b3e..c9f6d24eeb1a 100644 --- a/ui/gtk.c +++ b/ui/gtk.c @@ -765,6 +765,14 @@ static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque) return TRUE; } +static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque) +{ + if (event->type == GDK_MOTION_NOTIFY) { + return gd_motion_event(widget, &event->motion, opaque); + } + return FALSE; +} + /** Window Menu Actions **/ static void gd_menu_pause(GtkMenuItem *item, void *opaque) @@ -1267,8 +1275,8 @@ static void gd_connect_signals(GtkDisplayState *s) g_signal_connect(s->drawing_area, "expose-event", G_CALLBACK(gd_expose_event), s); #endif - g_signal_connect(s->drawing_area, "motion-notify-event", - G_CALLBACK(gd_motion_event), s); + g_signal_connect(s->drawing_area, "event", + G_CALLBACK(gd_event), s); g_signal_connect(s->drawing_area, "button-press-event", G_CALLBACK(gd_button_event), s); g_signal_connect(s->drawing_area, "button-release-event", -- 1.9.1