Long live Qt 4.5!

1 files changed, 508 insertions, 0 deletions

diff --git a/src/gui/embedded/qwindowsystem_qws.h b/src/gui/embedded/qwindowsystem_qws.h
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+++ b/src/gui/embedded/qwindowsystem_qws.h
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QWINDOWSYSTEM_QWS_H
+#define QWINDOWSYSTEM_QWS_H
+
+#include <QtCore/qbytearray.h>
+#include <QtCore/qmap.h>
+#include <QtCore/qdatetime.h>
+#include <QtCore/qlist.h>
+
+#include <QtGui/qwsevent_qws.h>
+#include <QtGui/qkbd_qws.h>
+#include <QtGui/qregion.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Gui)
+
+struct QWSWindowPrivate;
+class QWSCursor;
+class QWSClient;
+class QWSRegionManager;
+class QBrush;
+class QVariant;
+class QInputMethodEvent;
+class QWSInputMethod;
+class QWSBackingStore;
+class QWSWindowSurface;
+
+#ifdef QT3_SUPPORT
+class QImage;
+class QColor;
+#endif
+
+class QWSInternalWindowInfo
+{
+public:
+    int winid;
+    unsigned int clientid;
+    QString name;   // Corresponds to QObject name of top-level widget
+};
+
+
+class Q_GUI_EXPORT QWSScreenSaver
+{
+public:
+    virtual ~QWSScreenSaver();
+    virtual void restore()=0;
+    virtual bool save(int level)=0;
+};
+
+
+class Q_GUI_EXPORT QWSWindow
+{
+    friend class QWSServer;
+    friend class QWSServerPrivate;
+
+public:
+    QWSWindow(int i, QWSClient* client);
+    ~QWSWindow();
+
+    int winId() const { return id; }
+    const QString &name() const { return rgnName; }
+    const QString &caption() const { return rgnCaption; }
+    QWSClient* client() const { return c; }
+    const QRegion &requestedRegion() const { return requested_region; }
+    QRegion allocatedRegion() const;
+    QRegion paintedRegion() const;
+    bool isVisible() const { return !requested_region.isEmpty(); }
+    bool isPartiallyObscured() const { return requested_region != allocatedRegion(); }
+    bool isFullyObscured() const { return allocatedRegion().isEmpty(); }
+
+    enum State { NoState, Hidden, Showing, Visible, Hiding, Raising, Lowering, Moving, ChangingGeometry, Destroyed };
+    State state() const;
+    Qt::WindowFlags windowFlags() const;
+    QRegion dirtyOnScreen() const;
+
+    void raise();
+    void lower();
+    void show();
+    void hide();
+    void setActiveWindow();
+
+    bool isOpaque() const {return opaque && _opacity == 255;}
+    uint opacity() const { return _opacity; }
+
+    QWSWindowSurface* windowSurface() const { return surface; }
+
+private:
+    bool hidden() const { return requested_region.isEmpty(); }
+    bool forClient(const QWSClient* cl) const { return cl==c; }
+
+    void setName(const QString &n);
+    void setCaption(const QString &c);
+
+    void focus(bool get);
+    int focusPriority() const { return last_focus_time; }
+    void operation(QWSWindowOperationEvent::Operation o);
+    void shuttingDown() { last_focus_time=0; }
+
+#ifdef QT_QWS_CLIENTBLIT
+    QRegion directPaintRegion() const;
+    inline void setDirectPaintRegion(const QRegion &topmost);
+#endif
+    inline void setAllocatedRegion(const QRegion &region);
+
+    void createSurface(const QString &key, const QByteArray &data);
+
+#ifndef QT_NO_QWSEMBEDWIDGET
+    void startEmbed(QWSWindow *window);
+    void stopEmbed(QWSWindow *window);
+#endif
+
+private:
+    int id;
+    QString rgnName;
+    QString rgnCaption;
+    bool modified;
+    bool onTop;
+    QWSClient* c;
+    QRegion requested_region;
+    QRegion exposed;
+    int last_focus_time;
+    QWSWindowSurface *surface;
+    uint _opacity;
+    bool opaque;
+    QWSWindowPrivate *d;
+#ifdef QT3_SUPPORT
+    inline QT3_SUPPORT QRegion requested() const { return requested_region; }
+//    inline QT3_SUPPORT QRegion allocation() const { return allocated_region; }
+#endif
+};
+
+
+#ifndef QT_NO_SOUND
+class QWSSoundServer;
+#ifdef QT_USE_OLD_QWS_SOUND
+class QWSSoundServerData;
+
+class Q_GUI_EXPORT QWSSoundServer : public QObject {
+    Q_OBJECT
+public:
+    QWSSoundServer(QObject* parent);
+    ~QWSSoundServer();
+    void playFile(const QString& filename);
+private Q_SLOTS:
+    void feedDevice(int fd);
+private:
+    QWSSoundServerData* d;
+};
+#endif
+#endif
+
+
+/*********************************************************************
+ *
+ * Class: QWSServer
+ *
+ *********************************************************************/
+
+class QWSMouseHandler;
+struct QWSCommandStruct;
+class QWSServerPrivate;
+class QWSServer;
+
+extern Q_GUI_EXPORT QWSServer *qwsServer;
+
+class Q_GUI_EXPORT QWSServer : public QObject
+{
+    friend class QCopChannel;
+    friend class QWSMouseHandler;
+    friend class QWSWindow;
+    friend class QWSDisplay;
+    friend class QWSInputMethod;
+    Q_OBJECT
+    Q_DECLARE_PRIVATE(QWSServer)
+public:
+    explicit QWSServer(int flags = 0, QObject *parent=0);
+#ifdef QT3_SUPPORT
+    QT3_SUPPORT_CONSTRUCTOR QWSServer(int flags, QObject *parent, const char *name);
+#endif
+    ~QWSServer();
+    enum ServerFlags { DisableKeyboard = 0x01,
+                       DisableMouse = 0x02 };
+
+    static void sendKeyEvent(int unicode, int keycode, Qt::KeyboardModifiers modifiers,
+                             bool isPress, bool autoRepeat);
+#ifndef QT_NO_QWS_KEYBOARD
+    static void processKeyEvent(int unicode, int keycode, Qt::KeyboardModifiers modifiers,
+                                bool isPress, bool autoRepeat);
+#endif
+
+    static QWSServer* instance() { return qwsServer; }
+
+#ifndef QT_NO_QWS_INPUTMETHODS
+#ifdef QT3_SUPPORT
+    enum IMState { IMCompose, IMEnd, IMStart = IMCompose };
+#endif
+    enum IMMouse { MousePress, MouseRelease, MouseMove, MouseOutside }; //MouseMove reserved but not used
+    void sendIMEvent(const QInputMethodEvent*);
+    void sendIMQuery(int property);
+#endif
+
+#ifndef QT_NO_QWS_KEYBOARD
+    class KeyboardFilter
+    {
+    public:
+        virtual ~KeyboardFilter() {}
+        virtual bool filter(int unicode, int keycode, int modifiers,
+                            bool isPress, bool autoRepeat)=0;
+    };
+    static void addKeyboardFilter(KeyboardFilter *f);
+    static void removeKeyboardFilter();
+#endif
+
+#ifndef QT_NO_QWS_INPUTMETHODS
+    static void setCurrentInputMethod(QWSInputMethod *im);
+    static void resetInputMethod();
+#endif
+
+    static void setDefaultMouse(const char *);
+    static void setDefaultKeyboard(const char *);
+    static void setMaxWindowRect(const QRect&);
+    static void sendMouseEvent(const QPoint& pos, int state, int wheel = 0);
+
+    static void setBackground(const QBrush &);
+#ifdef QT3_SUPPORT
+    static QT3_SUPPORT void setDesktopBackground(const QImage &img);
+    static QT3_SUPPORT void setDesktopBackground(const QColor &);
+#endif
+    static QWSMouseHandler *mouseHandler();
+    static const QList<QWSMouseHandler*>& mouseHandlers();
+    static void setMouseHandler(QWSMouseHandler*);
+#ifndef QT_NO_QWS_KEYBOARD
+    static QWSKeyboardHandler* keyboardHandler();
+    static void setKeyboardHandler(QWSKeyboardHandler* kh);
+#endif
+    QWSWindow *windowAt(const QPoint& pos);
+
+    const QList<QWSWindow*> &clientWindows();
+
+    void openMouse();
+    void closeMouse();
+    void suspendMouse();
+    void resumeMouse();
+#ifndef QT_NO_QWS_KEYBOARD
+    void openKeyboard();
+    void closeKeyboard();
+#endif
+
+    static void setScreenSaver(QWSScreenSaver*);
+    static void setScreenSaverIntervals(int* ms);
+    static void setScreenSaverInterval(int);
+    static void setScreenSaverBlockLevel(int);
+    static bool screenSaverActive();
+    static void screenSaverActivate(bool);
+
+    // the following are internal.
+    void refresh();
+    void refresh(QRegion &);
+
+    void enablePainting(bool);
+    static void processEventQueue();
+    static QList<QWSInternalWindowInfo*> * windowList();
+
+    void sendPropertyNotifyEvent(int property, int state);
+
+    static QPoint mousePosition;
+
+    static void startup(int flags);
+    static void closedown();
+
+    static void beginDisplayReconfigure();
+    static void endDisplayReconfigure();
+
+#ifndef QT_NO_QWS_CURSOR
+    static void setCursorVisible(bool);
+    static bool isCursorVisible();
+#endif
+
+    const QBrush &backgroundBrush() const;
+
+    enum WindowEvent { Create=0x0001, Destroy=0x0002, Hide=0x0004, Show=0x0008,
+                       Raise=0x0010, Lower=0x0020, Geometry=0x0040, Active = 0x0080,
+                       Name=0x0100 };
+
+Q_SIGNALS:
+    void windowEvent(QWSWindow *w, QWSServer::WindowEvent e);
+
+#ifndef QT_NO_COP
+    void newChannel(const QString& channel);
+    void removedChannel(const QString& channel);
+
+#endif
+#ifndef QT_NO_QWS_INPUTMETHODS
+    void markedText(const QString &);
+#endif
+
+protected:
+    void timerEvent(QTimerEvent *e);
+
+private:
+    friend class QApplicationPrivate;
+    void updateWindowRegions() const;
+
+#ifdef QT3_SUPPORT
+#ifndef QT_NO_QWS_KEYBOARD
+    static inline QT3_SUPPORT void setKeyboardFilter(QWSServer::KeyboardFilter *f)
+        { if (f) addKeyboardFilter(f); else removeKeyboardFilter(); }
+#endif
+#endif
+
+private:
+#ifndef QT_NO_QWS_MULTIPROCESS
+    Q_PRIVATE_SLOT(d_func(), void _q_clientClosed())
+    Q_PRIVATE_SLOT(d_func(), void _q_doClient())
+    Q_PRIVATE_SLOT(d_func(), void _q_deleteWindowsLater())
+#endif
+
+    Q_PRIVATE_SLOT(d_func(), void _q_screenSaverWake())
+    Q_PRIVATE_SLOT(d_func(), void _q_screenSaverSleep())
+    Q_PRIVATE_SLOT(d_func(), void _q_screenSaverTimeout())
+
+#ifndef QT_NO_QWS_MULTIPROCESS
+    Q_PRIVATE_SLOT(d_func(), void _q_newConnection())
+#endif
+};
+
+#ifndef QT_NO_QWS_INPUTMETHODS
+class Q_GUI_EXPORT QWSInputMethod : public QObject
+{
+    Q_OBJECT
+public:
+    QWSInputMethod();
+    virtual ~QWSInputMethod();
+
+    enum UpdateType {Update, FocusIn, FocusOut, Reset, Destroyed};
+
+    virtual bool filter(int unicode, int keycode, int modifiers,
+                        bool isPress, bool autoRepeat);
+
+    virtual bool filter(const QPoint &, int state, int wheel);
+
+    virtual void reset();
+    virtual void updateHandler(int type);
+    virtual void mouseHandler(int pos, int state);
+    virtual void queryResponse(int property, const QVariant&);
+
+protected:
+    uint setInputResolution(bool isHigh);
+    uint inputResolutionShift() const;
+    // needed for required transform
+    void sendMouseEvent(const QPoint &pos, int state, int wheel);
+
+    void sendEvent(const QInputMethodEvent*);
+    void sendPreeditString(const QString &preeditString, int cursorPosition, int selectionLength = 0);
+    void sendCommitString(const QString &commitString, int replaceFrom = 0, int replaceLength = 0);
+    void sendQuery(int property);
+
+#ifdef QT3_SUPPORT
+    inline void sendIMEvent(QWSServer::IMState, const QString& txt, int cpos, int selLen = 0);
+#endif
+private:
+    bool mIResolution;
+};
+
+inline void QWSInputMethod::sendEvent(const QInputMethodEvent *ime)
+{
+    qwsServer->sendIMEvent(ime);
+}
+#ifdef QT3_SUPPORT
+inline void QWSInputMethod::sendIMEvent(QWSServer::IMState state, const QString& txt, int cpos, int selLen)
+{
+    if (state == QWSServer::IMCompose) sendPreeditString(txt, cpos, selLen); else sendCommitString(txt);
+}
+#endif
+
+inline void QWSInputMethod::sendQuery(int property)
+{
+    qwsServer->sendIMQuery(property);
+}
+
+// mouse events not inline as involve transformations.
+#endif // QT_NO_QWS_INPUTMETHODS
+
+
+
+/*********************************************************************
+ *
+ * Class: QWSClient
+ *
+ *********************************************************************/
+
+struct QWSMouseEvent;
+
+typedef QMap<int, QWSCursor*> QWSCursorMap;
+
+class QWSClientPrivate;
+class QWSCommand;
+class QWSConvertSelectionCommand;
+
+class Q_GUI_EXPORT QWSClient : public QObject
+{
+    Q_OBJECT
+    Q_DECLARE_PRIVATE(QWSClient)
+public:
+    QWSClient(QObject* parent, QWS_SOCK_BASE *, int id);
+    ~QWSClient();
+
+    int socket() const;
+
+    void setIdentity(const QString&);
+    QString identity() const { return id; }
+
+    void sendEvent(QWSEvent* event);
+    void sendConnectedEvent(const char *display_spec);
+    void sendMaxWindowRectEvent(const QRect &rect);
+    void sendPropertyNotifyEvent(int property, int state);
+    void sendPropertyReplyEvent(int property, int len, const char *data);
+    void sendSelectionClearEvent(int windowid);
+    void sendSelectionRequestEvent(QWSConvertSelectionCommand *cmd, int windowid);
+#ifndef QT_QWS_CLIENTBLIT
+    void sendRegionEvent(int winid, QRegion rgn, int type);
+#else
+    void sendRegionEvent(int winid, QRegion rgn, int type, int id = 0);
+#endif
+#ifndef QT_NO_QWSEMBEDWIDGET
+    void sendEmbedEvent(int winid, QWSEmbedEvent::Type type,
+                        const QRegion &region = QRegion());
+#endif
+    QWSCommand* readMoreCommand();
+
+    int clientId() const { return cid; }
+
+    QWSCursorMap cursors; // cursors defined by this client
+Q_SIGNALS:
+    void connectionClosed();
+    void readyRead();
+private Q_SLOTS:
+    void closeHandler();
+    void errorHandler();
+
+private:
+#ifndef QT_NO_QWS_MULTIPROCESS
+    friend class QWSWindow;
+    void removeUnbufferedSurface();
+    void addUnbufferedSurface();
+#endif
+
+private:
+    int socketDescriptor;
+#ifndef QT_NO_QWS_MULTIPROCESS
+    QWSSocket *csocket;
+#endif
+    QWSCommand* command;
+    uint isClosed : 1;
+    QString id;
+    int cid;
+
+    friend class QWSServerPrivate;
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QWINDOWSYSTEM_QWS_H