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Windows QPA: Fix scrolling down with mouse wheel.

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Use GET_WHEEL_DELTA_WPARAM() instead of HIWORD and casting.

Fix breakage introduced by b20548f999 .

Change-Id: I11bd97d73c12d72e824e3f769e9c402975f27d48
Reviewed-by: Joerg Bornemann <joerg.bornemann@theqtcompany.com>
This commit is contained in:
Friedemann Kleint 2016-02-25 12:32:26 +01:00 committed by Simon Hausmann
parent ea757da436
commit 827420c4c6
1 changed files with 1 additions and 1 deletions
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src/plugins/platforms/windows/qwindowsmousehandler.cpp
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@ -422,7 +422,7 @@ bool QWindowsMouseHandler::translateMouseWheelEvent(QWindow *window, HWND,
int delta;
if (msg.message == WM_MOUSEWHEEL || msg.message == WM_MOUSEHWHEEL)
delta = HIWORD (msg.wParam);
delta = GET_WHEEL_DELTA_WPARAM(msg.wParam);
else
delta = int(msg.wParam);