src/gui/kernel/qdesktopwidget.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 19 Feb 2010 23:40:16 +0200
branchRCL_3
changeset 4 3b1da2848fc7
parent 0 1918ee327afb
permissions -rw-r--r--
Revision: 201003 Kit: 201007

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#ifndef QDESKTOPWIDGET_H
#define QDESKTOPWIDGET_H

#include <QtGui/qwidget.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)

class QApplication;
class QDesktopWidgetPrivate;

class Q_GUI_EXPORT QDesktopWidget : public QWidget
{
    Q_OBJECT
    Q_PROPERTY(bool virtualDesktop READ isVirtualDesktop)
    Q_PROPERTY(int screenCount READ screenCount NOTIFY screenCountChanged)
    Q_PROPERTY(int primaryScreen READ primaryScreen)
public:
    QDesktopWidget();
    ~QDesktopWidget();

    bool isVirtualDesktop() const;

    int numScreens() const;
    int screenCount() const;
    int primaryScreen() const;

    int screenNumber(const QWidget *widget = 0) const;
    int screenNumber(const QPoint &) const;

    QWidget *screen(int screen = -1);

    const QRect screenGeometry(int screen = -1) const;
    const QRect screenGeometry(const QWidget *widget) const;
    const QRect screenGeometry(const QPoint &point) const
    { return screenGeometry(screenNumber(point)); }

    const QRect availableGeometry(int screen = -1) const;
    const QRect availableGeometry(const QWidget *widget) const;
    const QRect availableGeometry(const QPoint &point) const
    { return availableGeometry(screenNumber(point)); }

Q_SIGNALS:
    void resized(int);
    void workAreaResized(int);
    void screenCountChanged(int);

protected:
    void resizeEvent(QResizeEvent *e);

private:
    Q_DISABLE_COPY(QDesktopWidget)
    Q_DECLARE_PRIVATE(QDesktopWidget)

    friend class QApplication;
    friend class QApplicationPrivate;
};

inline int QDesktopWidget::screenCount() const
{ return numScreens(); }

QT_END_NAMESPACE

QT_END_HEADER

#endif // QDESKTOPWIDGET_H