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gtk: Use gtk generic event signal instead of motion-notify-event 

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 <crobinso@redhat.com>
Reviewed-by: Cole Robinson <crobinso@redhat.com>
Tested-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
master
Takashi Iwai 2014-04-04 12:41:21 +02:00 committed by Gerd Hoffmann
parent 466e6e9d13
commit 0d0e044dee
1 changed files with 10 additions and 2 deletions
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12
ui/gtk.c
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@ -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",