source: trunk/src/gui/kernel/qapplication.h@ 251

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**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information ([email protected])
**
** This file is part of the QtGui module of the Qt Toolkit.
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** General Public License version 3.0 as published by the Free Software
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#ifndef QAPPLICATION_H
#define QAPPLICATION_H

#include <QtCore/qcoreapplication.h>
#include <QtGui/qwindowdefs.h>
#include <QtCore/qpoint.h>
#include <QtCore/qsize.h>
#include <QtGui/qcursor.h>
#ifdef QT_INCLUDE_COMPAT
# include <QtGui/qdesktopwidget.h>
#endif
#ifdef QT3_SUPPORT
# include <QtGui/qwidget.h>
# include <QtGui/qpalette.h>
#endif
#ifdef Q_WS_QWS
# include <QtGui/qrgb.h>
# include <QtGui/qtransportauth_qws.h>
#endif

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)

class QSessionManager;
class QDesktopWidget;
class QStyle;
class QEventLoop;
class QIcon;
class QInputContext;
template <typename T> class QList;
class QLocale;
#if defined(Q_WS_QWS)
class QDecoration;
#endif

class QApplication;
class QApplicationPrivate;
#if defined(qApp)
#undef qApp
#endif
#define qApp (static_cast<QApplication *>(QCoreApplication::instance()))

class Q_GUI_EXPORT QApplication : public QCoreApplication
{
    Q_OBJECT
    Q_PROPERTY(Qt::LayoutDirection layoutDirection READ layoutDirection WRITE setLayoutDirection)
    Q_PROPERTY(QIcon windowIcon READ windowIcon WRITE setWindowIcon)
    Q_PROPERTY(int cursorFlashTime READ cursorFlashTime WRITE setCursorFlashTime)
    Q_PROPERTY(int doubleClickInterval  READ doubleClickInterval WRITE setDoubleClickInterval)
    Q_PROPERTY(int keyboardInputInterval READ keyboardInputInterval WRITE setKeyboardInputInterval)
#ifndef QT_NO_WHEELEVENT
    Q_PROPERTY(int wheelScrollLines  READ wheelScrollLines WRITE setWheelScrollLines)
#endif
    Q_PROPERTY(QSize globalStrut READ globalStrut WRITE setGlobalStrut)
    Q_PROPERTY(int startDragTime  READ startDragTime WRITE setStartDragTime)
    Q_PROPERTY(int startDragDistance  READ startDragDistance WRITE setStartDragDistance)
    Q_PROPERTY(bool quitOnLastWindowClosed  READ quitOnLastWindowClosed WRITE setQuitOnLastWindowClosed)
#ifndef QT_NO_STYLE_STYLESHEET
    Q_PROPERTY(QString styleSheet READ styleSheet WRITE setStyleSheet)
#endif
#ifdef Q_OS_WINCE
    Q_PROPERTY(int autoMaximizeThreshold READ autoMaximizeThreshold WRITE setAutoMaximizeThreshold)
    Q_PROPERTY(bool autoSipEnabled READ autoSipEnabled WRITE setAutoSipEnabled)
#endif

public:
    enum Type { Tty, GuiClient, GuiServer };
#ifndef qdoc
    QApplication(int &argc, char **argv, int = QT_VERSION);
    QApplication(int &argc, char **argv, bool GUIenabled, int = QT_VERSION);
    QApplication(int &argc, char **argv, Type, int = QT_VERSION);
#if defined(Q_WS_X11)
    QApplication(Display* dpy, Qt::HANDLE visual = 0, Qt::HANDLE cmap = 0, int = QT_VERSION);
    QApplication(Display *dpy, int &argc, char **argv, Qt::HANDLE visual = 0, Qt::HANDLE cmap= 0, int = QT_VERSION);
#endif
#endif
    virtual ~QApplication();

    static Type type();

    static QStyle *style();
    static void setStyle(QStyle*);
    static QStyle *setStyle(const QString&);
    enum ColorSpec { NormalColor=0, CustomColor=1, ManyColor=2 };
    static int colorSpec();
    static void setColorSpec(int);
    static void setGraphicsSystem(const QString &);

#ifndef QT_NO_CURSOR
    static QCursor *overrideCursor();
    static void setOverrideCursor(const QCursor &);
    static void changeOverrideCursor(const QCursor &);
    static void restoreOverrideCursor();
#endif
    static QPalette palette();
    static QPalette palette(const QWidget *);
    static QPalette palette(const char *className);
    static void setPalette(const QPalette &, const char* className = 0);
    static QFont font();
    static QFont font(const QWidget*);
    static QFont font(const char *className);
    static void setFont(const QFont &, const char* className = 0);
    static QFontMetrics fontMetrics();

    static void setWindowIcon(const QIcon &icon);
    static QIcon windowIcon();


#ifdef QT3_SUPPORT
    static QT3_SUPPORT QWidget *mainWidget();
    static QT3_SUPPORT void setMainWidget(QWidget *);
#endif

    static QWidgetList allWidgets();
    static QWidgetList topLevelWidgets();

    static QDesktopWidget *desktop();