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Diffstat (limited to 'src/plugins/platforms/windows/qwindowsmousehandler.h')
-rw-r--r-- | src/plugins/platforms/windows/qwindowsmousehandler.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/src/plugins/platforms/windows/qwindowsmousehandler.h b/src/plugins/platforms/windows/qwindowsmousehandler.h new file mode 100644 index 0000000000..953649102a --- /dev/null +++ b/src/plugins/platforms/windows/qwindowsmousehandler.h @@ -0,0 +1,115 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (info@qt.nokia.com) +** +** This file is part of the plugins of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt 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 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QWINDOWSMOUSEHANDLER_H +#define QWINDOWSMOUSEHANDLER_H + +#include "qtwindowsglobal.h" +#include "qtwindows_additional.h" + +#include <QtCore/QPointer> +#include <QtCore/QHash> + +QT_BEGIN_NAMESPACE + +class QWindow; + +class QWindowsMouseHandler +{ + Q_DISABLE_COPY(QWindowsMouseHandler) +public: + QWindowsMouseHandler(); + + bool translateMouseEvent(QWindow *widget, HWND hwnd, + QtWindows::WindowsEventType t, MSG msg, + LRESULT *result); + bool translateTouchEvent(QWindow *widget, HWND hwnd, + QtWindows::WindowsEventType t, MSG msg, + LRESULT *result); + + static inline Qt::MouseButtons keyStateToMouseButtons(int); + static inline int mouseButtonsToKeyState(Qt::MouseButtons); + + QWindow *windowUnderMouse() const { return m_windowUnderMouse.data(); } + +private: + inline bool translateMouseWheelEvent(QWindow *window, HWND hwnd, + MSG msg, LRESULT *result); + + QPointer<QWindow> m_windowUnderMouse; + QHash<DWORD, int> m_touchInputIDToTouchPointID; +}; + +Qt::MouseButtons QWindowsMouseHandler::keyStateToMouseButtons(int wParam) +{ + Qt::MouseButtons mb(Qt::NoButton); + if (wParam & MK_LBUTTON) + mb |= Qt::LeftButton; + if (wParam & MK_MBUTTON) + mb |= Qt::MiddleButton; + if (wParam & MK_RBUTTON) + mb |= Qt::RightButton; + if (wParam & MK_XBUTTON1) + mb |= Qt::XButton1; + if (wParam & MK_XBUTTON2) + mb |= Qt::XButton2; + return mb; +} + +int QWindowsMouseHandler::mouseButtonsToKeyState(Qt::MouseButtons mb) +{ + int result = 0; + if (mb & Qt::LeftButton) + result |= MK_LBUTTON; + if (mb & Qt::MiddleButton) + result |= MK_MBUTTON; + if (mb & Qt::RightButton) + result |= MK_RBUTTON; + if (mb & Qt::XButton1) + result |= MK_XBUTTON1; + if (mb & Qt::XButton2) + result |= MK_XBUTTON2; + return result; +} + +QT_END_NAMESPACE + +#endif // QWINDOWSMOUSEHANDLER_H |