From 99ce3deeb05162c0e97a884f47858e66930c8c0b Mon Sep 17 00:00:00 2001
From: verdre <verdre@v0yd.nl>
Date: Fri, 18 Jan 2019 09:37:04 +0100
Subject: [PATCH] st-button: Handle touch-cancel events

Handling those events is neccessary if a touch event that pressed down a
button turns out to be a gesture. In this case the button should be
released without emitting the clicked signal.
---
 src/st/st-button.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/st/st-button.c b/src/st/st-button.c
index a3a7b2442..a95ddff2d 100644
--- a/src/st/st-button.c
+++ b/src/st/st-button.c
@@ -262,6 +262,10 @@ st_button_touch_event (ClutterActor      *actor,
       clutter_input_device_sequence_ungrab (device, sequence);
       return CLUTTER_EVENT_STOP;
     }
+  else if (event->type == CLUTTER_TOUCH_CANCEL)
+    {
+      st_button_fake_release (button);
+    }
 
   return CLUTTER_EVENT_PROPAGATE;
 }