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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** 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_NAMESPACE
class 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
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