From 7f6f83007104795de1b7d5abca5c97627fccfb93 Mon Sep 17 00:00:00 2001
From: zeljko <zeljko@lazarus-ide.org>
Date: Mon, 2 Jan 2017 17:45:48 +0000
Subject: [PATCH] Qt5: use Qt mouse capture, fixes problems with MDI under
 win32.

git-svn-id: trunk@53836 -
---
 lcl/interfaces/qt5/qtwinapi.inc | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/lcl/interfaces/qt5/qtwinapi.inc b/lcl/interfaces/qt5/qtwinapi.inc
index c44b263e40..2f021d6c40 100644
--- a/lcl/interfaces/qt5/qtwinapi.inc
+++ b/lcl/interfaces/qt5/qtwinapi.inc
@@ -2508,11 +2508,11 @@ function TQtWidgetSet.GetCapture: HWND;
 var
   w: QWidgetH;
   Widget: TQtWidget;
-  {$IFDEF MSWINDOWS}
+  {$IFDEF MSWINDOWSQT4}
   AWin: HWND;
   {$ENDIF}
 begin
-  {$IFDEF MSWINDOWS}
+  {$IFDEF MSWINDOWSQT4}
   AWin := Windows.GetCapture;
   if AWin <> 0 then
     w := QWidget_find(AWin)
@@ -2534,7 +2534,7 @@ begin
     // Capture widget can be child of complex control. In any case we should return TQtWidget as result.
     // So we will look for parent while not found apropriate LCL handle.
     Widget := GetFirstQtObjectFromWidgetH(w);
-    {$IFDEF MSWINDOWS}
+    {$IFDEF MSWINDOWSQT4}
     if Widget <> nil then
     begin
       if Widget is TQtCustomControl then
@@ -5376,7 +5376,7 @@ begin
   Result := w <> nil;
   if Result then
   begin
-    {$IFDEF MSWINDOWS}
+    {$IFDEF MSWINDOWSQT4}
     if (w is TQtMainWindow) then
       w.releaseMouse()
     else
@@ -5816,7 +5816,7 @@ begin
       ReleaseCapture;
     if IsValidHandle(AHandle) then
     begin
-      {$IFDEF MSWINDOWS}
+      {$IFDEF MSWINDOWSQT4}
       if TQtWidget(AHandle) is TQtCustomControl then
       begin
         Windows.SetCapture(QWidget_winID(TQtCustomControl(AHandle).Viewport.Widget))