The threshold for system basic timers has changed on windows

This breaks the animations in main window because dragging a dock widget
when it is undocked creates another event loop and the Qt events are not
processed any more.

Reviewed-by: Trust Me
(cherry picked from commit 9dcd06efae3e2d78ef402bf06e655e7e95550a39)

2 files changed, 7 insertions, 3 deletions

diff --git a/src/corelib/animation/qabstractanimation.cpp b/src/corelib/animation/qabstractanimation.cpp
index 6bbd801..2769040 100644
--- a/src/corelib/animation/qabstractanimation.cpp
+++ b/src/corelib/animation/qabstractanimation.cpp
@@ -162,9 +162,9 @@
     //on windows if you're currently dragging a widget an inner eventloop was started by the system
     //to make sure that this timer is getting fired, we need to make sure to use the system timers
     //that will send a WM_TIMER event. We do that by settings the timer interval to 11
-    //It is 11 because QEventDispatcherWin32Private::registerTimer specifically checks if the interval
-    //is greater than 10 to determine if it should use a system timer (or the multimedia timer).
-#define STARTSTOP_TIMER_DELAY 11
+    //It is 16 because QEventDispatcherWin32Private::registerTimer specifically checks if the interval
+    //is greater than 11 to determine if it should use a system timer (or the multimedia timer).
+#define STARTSTOP_TIMER_DELAY 16
 #else
 #define STARTSTOP_TIMER_DELAY 0
 #endif
diff --git a/src/corelib/kernel/qeventdispatcher_win.cpp b/src/corelib/kernel/qeventdispatcher_win.cpp