src/gui/kernel/qdesktopwidget_s60.cpp
changeset 0 1918ee327afb
child 3 41300fa6a67c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/kernel/qdesktopwidget_s60.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,201 @@
+/****************************************************************************
+**
+** 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_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