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Diffstat (limited to 'src/gui/kernel/qdesktopwidget_lite.cpp')
-rw-r--r-- | src/gui/kernel/qdesktopwidget_lite.cpp | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/src/gui/kernel/qdesktopwidget_lite.cpp b/src/gui/kernel/qdesktopwidget_lite.cpp new file mode 100644 index 0000000..7aea787 --- /dev/null +++ b/src/gui/kernel/qdesktopwidget_lite.cpp @@ -0,0 +1,141 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtGui module 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 "private/qapplication_p.h" +#include "private/qgraphicssystem_p.h" + +QT_BEGIN_NAMESPACE + +QT_USE_NAMESPACE + +QDesktopWidget::QDesktopWidget() + : QWidget(0, Qt::Desktop) +{ + setObjectName(QLatin1String("desktop")); +} + +QDesktopWidget::~QDesktopWidget() +{ +} + +bool QDesktopWidget::isVirtualDesktop() const +{ + return true; +} + +int QDesktopWidget::primaryScreen() const +{ + return 0; +} + +int QDesktopWidget::numScreens() const +{ + QGraphicsSystem *gs = QApplicationPrivate::graphicsSystem(); + if (!gs) + return 0; + return qMax(gs->screens().size(), 1); +} + +QWidget *QDesktopWidget::screen(int) +{ + return this; +} + +const QRect QDesktopWidget::availableGeometry(int screenNo) const +{ + QGraphicsSystem *gs = QApplicationPrivate::graphicsSystem(); + if (!gs) + return QRect(); + QList<QGraphicsSystemScreen *> screens = gs->screens(); + if (screenNo == -1) + screenNo = 0; + if (screenNo < 0 || screenNo >= screens.size()) + return QRect(); + else + return screens[screenNo]->availableGeometry(); +} + +const QRect QDesktopWidget::screenGeometry(int screenNo) const +{ + QGraphicsSystem *gs = QApplicationPrivate::graphicsSystem(); + if (!gs) + return QRect(); + QList<QGraphicsSystemScreen *> screens = gs->screens(); + if (screenNo == -1) + screenNo = 0; + if (screenNo < 0 || screenNo >= screens.size()) + return QRect(); + else + return screens[screenNo]->geometry(); +} + +int QDesktopWidget::screenNumber(const QWidget *w) const +{ + if (!w) + return 0; + + QRect frame = w->frameGeometry(); + if (!w->isWindow()) + frame.moveTopLeft(w->mapToGlobal(QPoint(0, 0))); + const QPoint midpoint = (frame.topLeft() + frame.bottomRight()) / 2; + return screenNumber(midpoint); +} + +int QDesktopWidget::screenNumber(const QPoint &p) const +{ + QGraphicsSystem *gs = QApplicationPrivate::graphicsSystem(); + if (!gs) + return -1; + QList<QGraphicsSystemScreen *> screens = gs->screens(); + + for (int i = 0; i < screens.size(); ++i) + if (screens[i]->geometry().contains(p)) + return i; + + return -1; +} + +void QDesktopWidget::resizeEvent(QResizeEvent *) +{ +} + +QT_END_NAMESPACE |