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Diffstat (limited to 'src/plugins/platforms/windows/qwindowscontext.h')
| -rw-r--r-- | src/plugins/platforms/windows/qwindowscontext.h | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/src/plugins/platforms/windows/qwindowscontext.h b/src/plugins/platforms/windows/qwindowscontext.h new file mode 100644 index 0000000000..8985c7f0f9 --- /dev/null +++ b/src/plugins/platforms/windows/qwindowscontext.h @@ -0,0 +1,171 @@ +/**************************************************************************** +** +** 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 QWINDOWSCONTEXT_H +#define QWINDOWSCONTEXT_H + +#include "qtwindowsglobal.h" +#include "qtwindows_additional.h" + +#include <QtCore/QScopedPointer> +#include <QtCore/QSharedPointer> + +QT_BEGIN_NAMESPACE + +class QWindow; +class QPlatformScreen; +class QWindowsWindow; +class QWindowsMimeConverter; +struct QWindowCreationContext; +struct QWindowsContextPrivate; +class QPoint; + +struct QWindowsUser32DLL +{ + QWindowsUser32DLL(); + inline void init(); + inline bool initTouch(); + + typedef BOOL (WINAPI *RegisterTouchWindow)(HWND, ULONG); + typedef BOOL (WINAPI *GetTouchInputInfo)(HANDLE, UINT, PVOID, int); + typedef BOOL (WINAPI *CloseTouchInputHandle)(HANDLE); + typedef BOOL (WINAPI *SetLayeredWindowAttributes)(HWND, COLORREF, BYTE, DWORD); + typedef BOOL (WINAPI *UpdateLayeredWindow)(HWND, HDC , const POINT *, + const SIZE *, HDC, const POINT *, COLORREF, + const BLENDFUNCTION *, DWORD); + typedef BOOL (WINAPI *UpdateLayeredWindowIndirect)(HWND, const UPDATELAYEREDWINDOWINFO *); + typedef BOOL (WINAPI *IsHungAppWindow)(HWND); + + // Functions missing in Q_CC_GNU stub libraries. + SetLayeredWindowAttributes setLayeredWindowAttributes; + UpdateLayeredWindow updateLayeredWindow; + UpdateLayeredWindowIndirect updateLayeredWindowIndirect; + + // Functions missing in older versions of Windows + IsHungAppWindow isHungAppWindow; + + // Touch functions from Windows 7 onwards (also for use with Q_CC_MSVC). + RegisterTouchWindow registerTouchWindow; + GetTouchInputInfo getTouchInputInfo; + CloseTouchInputHandle closeTouchInputHandle; +}; + +class QWindowsContext +{ + Q_DISABLE_COPY(QWindowsContext) +public: + enum SystemInfoFlags + { + SI_RTL_Extensions = 0x1, + SI_SupportsTouch = 0x2 + }; + + // Verbose flag set by environment variable QT_LIGHTHOUSE_WINDOWS_VERBOSE + static int verboseIntegration; + static int verboseWindows; + static int verboseBackingStore; + static int verboseEvents; + static int verboseFonts; + static int verboseGL; + static int verboseOLE; + + explicit QWindowsContext(bool isOpenGL); + ~QWindowsContext(); + + bool isOpenGL() const; + + int defaultDPI() const; + + QString registerWindowClass(const QWindow *w, bool isGL); + QString registerWindowClass(QString cname, WNDPROC proc, + unsigned style = 0, HBRUSH brush = 0, + bool icon = false); + HWND createDummyWindow(const QString &classNameIn, + const wchar_t *windowName, + WNDPROC wndProc = 0, DWORD style = WS_OVERLAPPED); + + HDC displayContext() const; + int screenDepth() const; + + static QWindowsContext *instance(); + + static QString windowsErrorMessage(unsigned long errorCode); + + void addWindow(HWND, QWindowsWindow *w); + void removeWindow(HWND); + + QWindowsWindow *findPlatformWindow(HWND) const; + QWindow *findWindow(HWND) const; + QWindowsWindow *findPlatformWindowAt(HWND parent, const QPoint &screenPoint, + unsigned cwex_flags) const; + + QWindow *windowUnderMouse() const; + + inline bool windowsProc(HWND hwnd, UINT message, + QtWindows::WindowsEventType et, + WPARAM wParam, LPARAM lParam, LRESULT *result); + + QWindow *keyGrabber() const; + void setKeyGrabber(QWindow *hwnd); + + void setWindowCreationContext(const QSharedPointer<QWindowCreationContext> &ctx); + + // Returns a combination of SystemInfoFlags + unsigned systemInfo() const; + + QWindowsMimeConverter &mimeConverter() const; + + static QWindowsUser32DLL user32dll; + + static QByteArray comErrorString(HRESULT hr); + +private: + void unregisterWindowClasses(); + + QScopedPointer<QWindowsContextPrivate> d; + static QWindowsContext *m_instance; +}; + +extern "C" LRESULT QT_WIN_CALLBACK qWindowsWndProc(HWND, UINT, WPARAM, LPARAM); + +QT_END_NAMESPACE + +#endif // QWINDOWSCONTEXT_H |