qwindowsystem_qws.h

著名的A780系列,E680系列的SDK开发包

/****************************************************************************
** $Id: qt/src/kernel/qwindowsystem_qws.h   2.3.6   edited 2003-05-16 $
**
** Definition of Qt/FB central server classes
**
** Created : 991025
**
** Copyright (C) 1992-2000 Trolltech AS.  All rights reserved.
**
** This file is part of the kernel module of the Qt GUI Toolkit.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
** licenses for Qt/Embedded may use this file in accordance with the
** Qt Embedded Commercial License Agreement provided with the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/pricing.html or email [e-mail] for
**   information about Qt Commercial License Agreements.
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact [e-mail] if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/

#ifndef QTFB_H
#define QTFB_H

#ifndef QT_H
#include <qwssocket_qws.h>
#include <qmap.h>
#include <qdatetime.h>
#include <qlist.h>
#include <qimage.h>
#include <qintdict.h>

#include "qwsproperty_qws.h"
#include "qwscommand_qws.h"
#include "qwsevent_qws.h"
#include "qkeyboard_qws.h"
#endif // QT_H

struct SWCursorData;
class QWSCursor;
class QWSClient;
class QWSRegionManager;
class QGfx;
class QWSServerData;

class QWSInternalWindowInfo
{

public:

    int winid;
    unsigned int clientid;
    QString name;   // Corresponds to QObject name of top-level widget

};

struct QWSWindowData;

class QWSScreenSaver
{
public:
    virtual ~QWSScreenSaver();
    virtual void restore()=0;
    virtual bool save(int level)=0;
};

class QWSWindow
{
    friend class QWSServer;
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; }
    QRegion requested() const { return requested_region; }
    QRegion allocation() const { return allocated_region; }
    bool isVisible() const { return !requested_region.isEmpty(); }
    bool isPartiallyObscured() const { return requested_region!=allocated_region; }
    bool isFullyObscured() const { return allocated_region.isEmpty(); }

    void raise();
    void lower();
    void show();
    void hide();
    void setActiveWindow();

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 addAllocation( QWSRegionManager *, const QRegion & );
    void removeAllocation( QWSRegionManager *, const QRegion & );

    int  allocationIndex() const { return alloc_region_idx; }
    void setAllocationIndex( int i ) { alloc_region_idx = i; modified = TRUE; }
    void updateAllocation();

    void setNeedAck( bool n ) { needAck = n; }

    void focus(bool get);
    int focusPriority() const { return last_focus_time; }
    void operation( QWSWindowOperationEvent::Operation o );
    void shuttingDown() { last_focus_time=0; }

private:
    int id;
    QString rgnName;
    QString rgnCaption;
    int alloc_region_idx;
    bool modified;
    bool needAck;
    bool onTop;
    QWSClient* c;
    QRegion requested_region;
    QRegion allocated_region;
    QRegion exposed;
    int last_focus_time;
    QWSWindowData *d;
};

#ifndef QT_NO_SOUND
class QWSSoundServer;
#ifdef QT_USE_OLD_QWS_SOUND

class QWSSoundServer : public QObject {
    Q_OBJECT
public:
    QWSSoundServer(QObject* parent);
    ~QWSSoundServer();
    void playFile(const QString& filename);
private slots:
    void feedDevice(int fd);
private:
    QWSSoundServerData* d;
};
#endif
#endif







/*********************************************************************
 *
 * Class: QWSServer
 *
 *********************************************************************/

class QWSMouseHandler;
struct QWSCommandStruct;

#ifndef QT_NO_QWS_MULTIPROCESS
class QWSServer : public QWSServerSocket
#else
class QWSServer : public QObject
#endif
{
    friend class QCopChannel;
    friend class QWSMouseHandler;
    friend class QWSWindow;
    friend class QWSDisplay;
    friend class QWSInputMethod;
    Q_OBJECT

public:
    QWSServer( int flags = 0, QObject *parent=0, const char *name=0 );
    ~QWSServer();
    enum ServerFlags { DisableKeyboard = 0x01,
		       DisableMouse = 0x02 };

    
    enum GUIMode { NoGui = FALSE, NormalGUI = TRUE, Server };
    
    static void sendKeyEvent(int unicode, int keycode, int modifiers, bool isPress,
			     bool autoRepeat);
    static void processKeyEvent(int unicode, int keycode, int modifiers, bool isPress,
				bool autoRepeat);

#ifndef QT_NO_QWS_IM
    enum IMState { Reserved, IMCompose, IMEnd, IMInternal = 42, IMMarkedText };
    enum IMMouse { MousePress, MouseRelease, MouseMove }; //MouseMove reserved but not used
    
    void sendIMEvent( IMState state, const QString& txt, int cpos, int selLen );
#endif



#ifndef QT_NO_QWS_KEYBOARD    
    typedef struct KeyMap {
	int  key_code;
	ushort unicode;
	ushort shift_unicode;
	ushort ctrl_unicode;
    };

    static const KeyMap *keyMap();

#if !defined(QT_EZX_INPUT)
    static void setOverrideKeys( QIntDict<QWSServer::KeyMap> *map );
#endif

    class KeyboardFilter
    {
    public:
	virtual bool filter(int unicode, int keycode, int modifiers, bool isPress,
		      bool autoRepeat)=0;
    };
    
    static void setKeyboardFilter( KeyboardFilter *f );
#endif    
#ifndef QT_NO_QWS_IM
    static void setCurrentInputMethod( QWSInputMethod *im );
    static void resetInputMethod();
    static void setMicroFocus( int x, int y );
    static void requestMarkedText();
#endif

    static void setDefaultMouse( const char * );
    static void setDefaultKeyboard( const char * );
    static void setMaxWindowRect(const QRect&);
    static void sendMouseEvent(const QPoint& pos, int state);

    static void setDesktopBackground( const QImage &img );
    static void setDesktopBackground( const QColor & );
    static QWSMouseHandler *mouseHandler();
    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() { return windows; }

    void openMouse();
    void closeMouse();
#ifndef QT_NO_QWS_KEYBOARD    
    void openKeyboard();
    void closeKeyboard();
#endif

    static void setScreenSaver(QWSScreenSaver*);
    static void setScreenSaverIntervals(int* ms);
    static void setScreenSaverInterval(int);
    static bool screenSaverActive();
    static void screenSaverActivate(bool);

    // the following are internal.
    void refresh();
    void enablePainting(bool);
    static void processEventQueue();
    static QList<QWSInternalWindowInfo> * windowList();

    void sendPropertyNotifyEvent( int property, int state );
#ifndef QT_NO_QWS_PROPERTIES
    QWSPropertyManager *manager() {
	return &propertyManager;
    }
#endif
    
    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

    enum WindowEvent { Create=0x01, Destroy=0x02, Hide=0x04, Show=0x08,
		       Raise=0x10, Lower=0x20, Geometry=0x40, Active=0x80 };

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_IM
    void markedText( const QString & );