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tqtinterface/qtinterface/qt4/Qt/qwindowsystem_qws.h

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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** 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 1.1, 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@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