From f52da158d9421b1c3109b59ed99968d766875234 Mon Sep 17 00:00:00 2001
From: Marc Gilleron <marc.gilleron@gmail.com>
Date: Sun, 10 Dec 2017 02:25:39 +0100
Subject: Fix mouse button release not sent to gui_input if it's different from
 the button that gave focus

---
 scene/main/viewport.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'scene')

diff --git a/scene/main/viewport.cpp b/scene/main/viewport.cpp
index ea8adc58cd..2f75ff7936 100644
--- a/scene/main/viewport.cpp
+++ b/scene/main/viewport.cpp
@@ -1800,7 +1800,8 @@ void Viewport::_gui_input_event(Ref<InputEvent> p_event) {
 				_gui_call_input(gui.mouse_focus, mb);
 			}
 
-			if (mb->get_button_index() == gui.mouse_focus_button) {
+			if (mb->get_button_mask() == 0) {
+				// Last mouse button was released
 				gui.mouse_focus = NULL;
 				gui.mouse_focus_button = -1;
 			}
-- 
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