/******************************************************************************** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).** All rights reserved.** Contact: Nokia Corporation (qt-info@nokia.com)**** This file is part of the QtGui of the Qt Toolkit.**** $QT_BEGIN_LICENSE:LGPL$** No Commercial Usage** This file contains pre-release code and may not be distributed.** You may use this file in accordance with the terms and conditions** contained in the Technology Preview License Agreement accompanying** this package.**** 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.**** If you have questions regarding the use of this file, please contact** Nokia at qt-info@nokia.com.****************** $QT_END_LICENSE$******************************************************************************/#include "qdesktopwidget.h"#include "qapplication_p.h"#include "qwidget_p.h"#include "qt_s60_p.h"#include <w32std.h>#include "hal.h"#include "hal_data.h"QT_BEGIN_NAMESPACEclass QDesktopWidgetPrivate : public QWidgetPrivate{public: QDesktopWidgetPrivate(); ~QDesktopWidgetPrivate(); static void init(QDesktopWidget *that); static void cleanup(); static int screenCount; static int primaryScreen; static QVector<QRect> *rects; static QVector<QRect> *workrects; static int refcount;};int QDesktopWidgetPrivate::screenCount = 1;int QDesktopWidgetPrivate::primaryScreen = 0;QVector<QRect> *QDesktopWidgetPrivate::rects = 0;QVector<QRect> *QDesktopWidgetPrivate::workrects = 0;int QDesktopWidgetPrivate::refcount = 0;QDesktopWidgetPrivate::QDesktopWidgetPrivate(){ ++refcount;}QDesktopWidgetPrivate::~QDesktopWidgetPrivate(){ if (!--refcount) cleanup();}void QDesktopWidgetPrivate::init(QDesktopWidget *that){ int screenCount=0; if (HAL::Get(0, HALData::EDisplayNumberOfScreens, screenCount) == KErrNone) QDesktopWidgetPrivate::screenCount = screenCount; else QDesktopWidgetPrivate::screenCount = 0; rects = new QVector<QRect>(); workrects = new QVector<QRect>(); rects->resize(QDesktopWidgetPrivate::screenCount); workrects->resize(QDesktopWidgetPrivate::screenCount); // ### TODO: Implement proper multi-display support rects->resize(1); rects->replace(0, that->rect()); workrects->resize(1); workrects->replace(0, that->rect());}void QDesktopWidgetPrivate::cleanup(){ delete rects; rects = 0; delete workrects; workrects = 0;}QDesktopWidget::QDesktopWidget() : QWidget(*new QDesktopWidgetPrivate, 0, Qt::Desktop){ setObjectName(QLatin1String("desktop")); QDesktopWidgetPrivate::init(this);}QDesktopWidget::~QDesktopWidget(){}bool QDesktopWidget::isVirtualDesktop() const{ return true;}int QDesktopWidget::primaryScreen() const{ return QDesktopWidgetPrivate::primaryScreen;}int QDesktopWidget::numScreens() const{ Q_D(const QDesktopWidget); return QDesktopWidgetPrivate::screenCount;}QWidget *QDesktopWidget::screen(int /* screen */){ return this;}const QRect QDesktopWidget::availableGeometry(int /* screen */) const{ TRect clientRect = static_cast<CEikAppUi*>(S60->appUi())->ClientRect(); return qt_TRect2QRect(clientRect);}const QRect QDesktopWidget::screenGeometry(int /* screen */) const{ Q_D(const QDesktopWidget); return QRect(0, 0, S60->screenWidthInPixels, S60->screenHeightInPixels); }int QDesktopWidget::screenNumber(const QWidget * /* widget */) const{ return QDesktopWidgetPrivate::primaryScreen;}int QDesktopWidget::screenNumber(const QPoint & /* point */) const{ return QDesktopWidgetPrivate::primaryScreen;}void QDesktopWidget::resizeEvent(QResizeEvent *){ Q_D(QDesktopWidget); QVector<QRect> oldrects; oldrects = *d->rects; QVector<QRect> oldworkrects; oldworkrects = *d->workrects; int oldscreencount = d->screenCount; QDesktopWidgetPrivate::cleanup(); QDesktopWidgetPrivate::init(this); for (int i = 0; i < qMin(oldscreencount, d->screenCount); ++i) { QRect oldrect = oldrects[i]; QRect newrect = d->rects->at(i); if (oldrect != newrect) emit resized(i); } for (int j = 0; j < qMin(oldscreencount, d->screenCount); ++j) { QRect oldrect = oldworkrects[j]; QRect newrect = d->workrects->at(j); if (oldrect != newrect) emit workAreaResized(j); }}QT_END_NAMESPACE