diff options
Diffstat (limited to 'src/widgets/platforms/s60/qdesktopwidget_s60.cpp')
-rw-r--r-- | src/widgets/platforms/s60/qdesktopwidget_s60.cpp | 316 |
1 files changed, 316 insertions, 0 deletions
diff --git a/src/widgets/platforms/s60/qdesktopwidget_s60.cpp b/src/widgets/platforms/s60/qdesktopwidget_s60.cpp new file mode 100644 index 0000000000..156c9700ed --- /dev/null +++ b/src/widgets/platforms/s60/qdesktopwidget_s60.cpp @@ -0,0 +1,316 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qdesktopwidget.h" +#include "qapplication_p.h" +#include "qwidget_p.h" +#include "qt_s60_p.h" +#include <w32std.h> +#if defined(Q_SYMBIAN_SUPPORTS_MULTIPLE_SCREENS) +#include <graphics/displaycontrol.h> +#endif + +QT_BEGIN_NAMESPACE + +extern int qt_symbian_create_desktop_on_screen; + +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(); + static void init(QDesktopWidget *that); + static void cleanup(); + static void init_sys(); + + static int screenCount; + static int primaryScreen; + + static QVector<QRect> *rects; + static QVector<QRect> *workrects; + static QVector<QWidget *> *screens; + + static int refcount; + +#if defined(Q_SYMBIAN_SUPPORTS_MULTIPLE_SCREENS) + static MDisplayControl *displayControl; +#endif +}; + +int QDesktopWidgetPrivate::screenCount = 1; +int QDesktopWidgetPrivate::primaryScreen = 0; +QVector<QRect> *QDesktopWidgetPrivate::rects = 0; +QVector<QRect> *QDesktopWidgetPrivate::workrects = 0; +QVector<QWidget *> *QDesktopWidgetPrivate::screens = 0; +int QDesktopWidgetPrivate::refcount = 0; +#if defined(Q_SYMBIAN_SUPPORTS_MULTIPLE_SCREENS) +MDisplayControl *QDesktopWidgetPrivate::displayControl = 0; +#endif + +QDesktopWidgetPrivate::QDesktopWidgetPrivate() +{ + ++refcount; +} + +QDesktopWidgetPrivate::~QDesktopWidgetPrivate() +{ + if (!--refcount) + cleanup(); +} + +void QDesktopWidgetPrivate::init(QDesktopWidget *that) +{ + // Note that on S^3 devices the screen count retrieved via RWsSession + // will always be 2 but the width and height for screen number 1 will + // be 0 as long as TV-out is not connected. + // + // On the other hand a valid size for screen 1 will be reported even + // after the cable is disconnected. In order to overcome this, we use + // MDisplayControl::NumberOfResolutions() to check if the display is + // valid or not. + + screenCount = S60->screenCount(); +#if defined(Q_SYMBIAN_SUPPORTS_MULTIPLE_SCREENS) + if (displayControl) { + if (displayControl->NumberOfResolutions() < 1) + screenCount = 1; + } +#endif + if (screenCount < 1) { + qWarning("No screen available"); + screenCount = 1; + } + + rects = new QVector<QRect>(); + workrects = new QVector<QRect>(); + screens = new QVector<QWidget *>(); + + rects->resize(screenCount); + workrects->resize(screenCount); + screens->resize(screenCount); + + for (int i = 0; i < screenCount; ++i) { + // All screens will have a position of (0, 0) as there is no true virtual desktop + // or pointer event support for multiple screens on Symbian. + QRect r(0, 0, + S60->screenWidthInPixelsForScreen[i], S60->screenHeightInPixelsForScreen[i]); + // Stop here if empty and ignore this screen. + if (r.isEmpty()) { + screenCount = i; + break; + } + (*rects)[i] = r; + QRect wr; + if (i == 0) + wr = qt_TRect2QRect(static_cast<CEikAppUi*>(S60->appUi())->ClientRect()); + else + wr = rects->at(i); + (*workrects)[i].setRect(wr.x(), wr.y(), wr.width(), wr.height()); + (*screens)[i] = 0; + } + (*screens)[0] = that; +} + +void QDesktopWidgetPrivate::cleanup() +{ + delete rects; + rects = 0; + delete workrects; + workrects = 0; + if (screens) { + // First item is the QDesktopWidget so skip it. + for (int i = 1; i < screens->count(); ++i) + delete screens->at(i); + } + delete screens; + screens = 0; +} + +void QDesktopWidgetPrivate::init_sys() +{ +#if defined(Q_SYMBIAN_SUPPORTS_MULTIPLE_SCREENS) + if (S60->screenCount() > 1) { + CWsScreenDevice *dev = S60->screenDevice(1); + if (dev) { + displayControl = static_cast<MDisplayControl *>( + dev->GetInterface(MDisplayControl::ETypeId)); + if (displayControl) { + displayControl->EnableDisplayChangeEvents(ETrue); + } + } + } +#endif +} + + +QDesktopWidget::QDesktopWidget() + : QWidget(*new QDesktopWidgetPrivate, 0, Qt::Desktop) +{ + setObjectName(QLatin1String("desktop")); + QDesktopWidgetPrivate::init_sys(); + QDesktopWidgetPrivate::init(this); +} + +QDesktopWidget::~QDesktopWidget() +{ +} + +bool QDesktopWidget::isVirtualDesktop() const +{ + return false; +} + +int QDesktopWidget::primaryScreen() const +{ + return QDesktopWidgetPrivate::primaryScreen; +} + +int QDesktopWidget::numScreens() const +{ + Q_D(const QDesktopWidget); + return QDesktopWidgetPrivate::screenCount; +} + +static inline QWidget *newSingleDesktopWidget(int screen) +{ + qt_symbian_create_desktop_on_screen = screen; + QWidget *w = new QSingleDesktopWidget; + qt_symbian_create_desktop_on_screen = -1; + return w; +} + +QWidget *QDesktopWidget::screen(int screen) +{ + Q_D(QDesktopWidget); + if (screen < 0 || screen >= d->screenCount) + screen = d->primaryScreen; + if (!d->screens->at(screen) + || d->screens->at(screen)->windowType() != Qt::Desktop) + (*d->screens)[screen] = newSingleDesktopWidget(screen); + return (*d->screens)[screen]; +} + +const QRect QDesktopWidget::availableGeometry(int screen) const +{ + Q_D(const QDesktopWidget); + if (screen < 0 || screen >= d->screenCount) + screen = d->primaryScreen; + + return d->workrects->at(screen); +} + +const QRect QDesktopWidget::screenGeometry(int screen) const +{ + Q_D(const QDesktopWidget); + if (screen < 0 || screen >= d->screenCount) + screen = d->primaryScreen; + + return d->rects->at(screen); +} + +int QDesktopWidget::screenNumber(const QWidget *widget) const +{ + Q_D(const QDesktopWidget); + return widget + ? S60->screenNumberForWidget(widget) + : d->primaryScreen; +} + +int QDesktopWidget::screenNumber(const QPoint &point) const +{ + Q_UNUSED(point); + Q_D(const QDesktopWidget); + return d->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); + } + + if (oldscreencount != d->screenCount) { + emit screenCountChanged(d->screenCount); + } +} + +QT_END_NAMESPACE |