[gnome-shell] st-button: Don't rely on hover to accept clicks

[Florian Müllner <fmuellner src gnome org>]

commit 464d5d8a13e41c4495301071de0d04f9fde726f5
Author: Florian Müllner <fmuellner gnome org>
Date:   Wed Oct 7 01:21:02 2015 +0200

    st-button: Don't rely on hover to accept clicks
    
    Since commit 4f1f226828 we only consider buttons clicked when the
    release event had a corresponding press event. However as we use
    the hover state to check whether a release event actually occurred
    on the button, we dismiss any clicks in cases where we missed the
    enter event - most likely due to some other actor holding a grab.
    Instead, check whether the button contains the event's source, which
    should be less error-prone.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=748919

 src/st/st-button.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/st/st-button.c b/src/st/st-button.c
index f47ce21..78a931f 100644
--- a/src/st/st-button.c
+++ b/src/st/st-button.c
@@ -211,7 +211,7 @@ st_button_button_release (ClutterActor       *actor,
     {
       gboolean is_click;
 
-      is_click = button->priv->grabbed && st_widget_get_hover (ST_WIDGET (button));
+      is_click = button->priv->grabbed && clutter_actor_contains (actor, event->source);
       st_button_release (button, device, mask, is_click ? event->button : 0, NULL);
 
       button->priv->grabbed &= ~mask;