source: trunk/src/gui/kernel/qdesktopwidget_x11.cpp@ 466

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#include "qapplication.h"
#include "qdesktopwidget.h"
#include "qlibrary.h"
#include "qt_x11_p.h"
#include "qvariant.h"
#include "qwidget_p.h"
#include "qx11info_x11.h"
#include <limits.h>

QT_BEGIN_NAMESPACE

// defined in qwidget_x11.cpp
extern int qt_x11_create_desktop_on_screen;


// function to update the workarea of the screen
static bool qt_desktopwidget_workarea_dirty = true;
void qt_desktopwidget_update_workarea()
{
    qt_desktopwidget_workarea_dirty = true;
}


class QSingleDesktopWidget : public QWidget
{
public:
    QSingleDesktopWidget();
    ~QSingleDesktopWidget();
};

QSingleDesktopWidget::QSingleDesktopWidget()
    : QWidget(0, Qt::Desktop)
{
}

QSingleDesktopWidget::~QSingleDesktopWidget()
{
    const QObjectList &childList = children();
    for (int i = childList.size(); i > 0 ;) {
        --i;
        childList.at(i)->setParent(0);
    }
}


class QDesktopWidgetPrivate : public QWidgetPrivate
{
public:
    QDesktopWidgetPrivate();
    ~QDesktopWidgetPrivate();

    void init();

    bool use_xinerama;
    int defaultScreen;
    int screenCount;

    QWidget **screens;
    QRect *rects;
    QRect *workareas;
};

QDesktopWidgetPrivate::QDesktopWidgetPrivate()
    : use_xinerama(false), defaultScreen(0), screenCount(1),
      screens(0), rects(0), workareas(0)
{
}

QDesktopWidgetPrivate::~QDesktopWidgetPrivate()
{
    if (screens) {
        for (int i = 0; i < screenCount; ++i) {
            if (i == defaultScreen) continue;
            delete screens[i];
            screens[i] = 0;
        }

        free (screens);
    }

    if (rects)     delete [] rects;
    if (workareas) delete [] workareas;
}