[Bf-blender-cvs] [8f49299134b] master: WM: fix drag events applying after release

[Campbell Barton]

Commit: 8f49299134b504a59558aad8e66a81ae3c6c9748
Author: Campbell Barton
Date:   Thu Jun 7 20:37:28 2018 +0200
Branches: master
https://developer.blender.org/rB8f49299134b504a59558aad8e66a81ae3c6c9748

WM: fix drag events applying after release

===================================================================

M	source/blender/windowmanager/intern/wm_event_system.c

===================================================================

diff --git a/source/blender/windowmanager/intern/wm_event_system.c b/source/blender/windowmanager/intern/wm_event_system.c
index f820a0a1b8d..5974d4fddee 100644
--- a/source/blender/windowmanager/intern/wm_event_system.c
+++ b/source/blender/windowmanager/intern/wm_event_system.c
@@ -2252,9 +2252,14 @@ static int wm_handlers_do(bContext *C, wmEvent *event, ListBase *handlers)
 			/* eventstate stores if previous event was a KM_PRESS, in case that
 			 * wasn't handled, the KM_RELEASE will become a KM_CLICK */
 
-			if (win && event->val == KM_PRESS) {
-				win->eventstate->check_click = true;
-				win->eventstate->check_drag = true;
+			if (win != NULL) {
+				if (event->val == KM_PRESS) {
+					win->eventstate->check_click = true;
+					win->eventstate->check_drag = true;
+				}
+				else if (event->val == KM_RELEASE) {
+					win->eventstate->check_drag = false;
+				}
 			}
 
 			if (win && win->eventstate->prevtype == event->type) {