1 files changed, 40 insertions, 17 deletions

diff --git a/src/plugins/platforms/windows/qwindowscursor.cpp b/src/plugins/platforms/windows/qwindowscursor.cpp
index 844fe23517..d02648fade 100644
--- a/src/plugins/platforms/windows/qwindowscursor.cpp
+++ b/src/plugins/platforms/windows/qwindowscursor.cpp
@@ -1,31 +1,37 @@
 /****************************************************************************
 **
-** Copyright (C) 2015 The Qt Company Ltd.
-** Contact: http://www.qt.io/licensing/
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the plugins of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:LGPL21$
+** $QT_BEGIN_LICENSE:LGPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
 ** Software or, alternatively, in accordance with the terms contained in
 ** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see http://www.qt.io/terms-conditions. For further
-** information use the contact form at http://www.qt.io/contact-us.
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
 **
 ** GNU Lesser General Public License Usage
 ** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 or version 3 as published by the Free
-** Software Foundation and appearing in the file LICENSE.LGPLv21 and
-** LICENSE.LGPLv3 included in the packaging of this file. Please review the
-** following information to ensure the GNU Lesser General Public License
-** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
-** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
 **
-** As a special exception, The Qt Company gives you certain additional
-** rights. These rights are described in The Qt Company LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
 **
 ** $QT_END_LICENSE$
 **
@@ -643,17 +649,19 @@ QWindowsCursor::QWindowsCursor(const QPlatformScreen *screen)
 
 void QWindowsCursor::changeCursor(QCursor *cursorIn, QWindow *window)
 {
-    if (!window)
+    QWindowsWindow *platformWindow = QWindowsWindow::windowsWindowOf(window);
+    if (!platformWindow) // Desktop/Foreign window.
         return;
+
     if (!cursorIn) {
-        QWindowsWindow::baseWindowOf(window)->setCursor(CursorHandlePtr(new CursorHandle));
+        platformWindow->setCursor(CursorHandlePtr(new CursorHandle));
         return;
     }
     const CursorHandlePtr wcursor =
         cursorIn->shape() == Qt::BitmapCursor ?
         pixmapWindowCursor(*cursorIn) : standardWindowCursor(cursorIn->shape());
     if (wcursor->handle()) {
-        QWindowsWindow::baseWindowOf(window)->setCursor(wcursor);
+        platformWindow->setCursor(wcursor);
     } else {
         qWarning("%s: Unable to obtain system cursor for %d",
                  __FUNCTION__, cursorIn->shape());
@@ -781,6 +789,21 @@ QPixmap QWindowsCursor::dragDefaultCursor(Qt::DropAction action) const
     return m_ignoreDragCursor;
 }
 
+HCURSOR QWindowsCursor::hCursor(const QCursor &c) const
+{
+    const Qt::CursorShape shape = c.shape();
+    if (shape == Qt::BitmapCursor) {
+        const auto pit = m_pixmapCursorCache.constFind(QWindowsPixmapCursorCacheKey(c));
+        if (pit != m_pixmapCursorCache.constEnd())
+            return pit.value()->handle();
+    } else {
+        const auto sit = m_standardCursorCache.constFind(shape);
+        if (sit != m_standardCursorCache.constEnd())
+            return sit.value()->handle();
+    }
+    return HCURSOR(0);
+}
+
 /*!
     \class QWindowsWindowCursor
     \brief Per-Window cursor. Contains a QCursor and manages its associated system