/**************************************************************************** ** ** 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 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. ** ** ** ** ** ** ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ /**************************************************************************** ** ** Copyright (c) 2007-2008, Apple, Inc. ** ** All rights reserved. ** ** Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are met: ** ** * Redistributions of source code must retain the above copyright notice, ** this list of conditions and the following disclaimer. ** ** * Redistributions in binary form must reproduce the above copyright notice, ** this list of conditions and the following disclaimer in the documentation ** and/or other materials provided with the distribution. ** ** * Neither the name of Apple, Inc. nor the names of its contributors ** may be used to endorse or promote products derived from this software ** without specific prior written permission. ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR ** CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, ** EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, ** PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR ** PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF ** LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING ** NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS ** SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ** ****************************************************************************/ #import #include "qapplication.h" #include "qdesktopwidget.h" #include #include "qwidget_p.h" #include #include QT_BEGIN_NAMESPACE QT_USE_NAMESPACE /***************************************************************************** Externals *****************************************************************************/ /***************************************************************************** QDesktopWidget member functions *****************************************************************************/ Q_GLOBAL_STATIC(QDesktopWidgetImplementation, qdesktopWidgetImplementation) QDesktopWidgetImplementation::QDesktopWidgetImplementation() : appScreen(0), displays(0) { onResize(); } QDesktopWidgetImplementation::~QDesktopWidgetImplementation() { if (displays) [displays release]; } QDesktopWidgetImplementation *QDesktopWidgetImplementation::instance() { return qdesktopWidgetImplementation(); } QRect QDesktopWidgetImplementation::availableRect(int screenIndex) const { if (screenIndex < 0 || screenIndex >= screenCount) screenIndex = appScreen; NSRect r = [[displays objectAtIndex:screenIndex] visibleFrame]; NSRect primaryRect = [[displays objectAtIndex:0] frame]; const int flippedY = - r.origin.y + // account for position offset and primaryRect.size.height - r.size.height; // height difference. return QRectF(r.origin.x, flippedY, r.size.width, r.size.height).toRect(); } QRect QDesktopWidgetImplementation::screenRect(int screenIndex) const { if (screenIndex < 0 || screenIndex >= screenCount) screenIndex = appScreen; NSRect r = [[displays objectAtIndex:screenIndex] frame]; NSRect primaryRect = [[displays objectAtIndex:0] frame]; const int flippedY = - r.origin.y + // account for position offset and primaryRect.size.height - r.size.height; // height difference. return QRectF(r.origin.x, flippedY, r.size.width, r.size.height).toRect(); } void QDesktopWidgetImplementation::onResize() { if (displays) [displays release]; displays = [[NSScreen screens] retain]; screenCount = [displays count]; } QDesktopWidget::QDesktopWidget() : QWidget(0, Qt::Desktop) { setObjectName(QLatin1String("desktop")); setAttribute(Qt::WA_WState_Visible); } QDesktopWidget::~QDesktopWidget() { } bool QDesktopWidget::isVirtualDesktop() const { return true; } int QDesktopWidget::primaryScreen() const { return qdesktopWidgetImplementation()->appScreen; } int QDesktopWidget::numScreens() const { return qdesktopWidgetImplementation()->screenCount; } QWidget *QDesktopWidget::screen(int) { return this; } const QRect QDesktopWidget::availableGeometry(int screen) const { return qdesktopWidgetImplementation()->availableRect(screen); } const QRect QDesktopWidget::screenGeometry(int screen) const { return qdesktopWidgetImplementation()->screenRect(screen); } int QDesktopWidget::screenNumber(const QWidget *widget) const { QDesktopWidgetImplementation *d = qdesktopWidgetImplementation(); if (!widget) return d->appScreen; QRect frame = widget->frameGeometry(); if (!widget->isWindow()) frame.moveTopLeft(widget->mapToGlobal(QPoint(0,0))); int maxSize = -1, maxScreen = -1; for (int i = 0; i < d->screenCount; ++i) { QRect rr = d->screenRect(i); QRect sect = rr.intersected(frame); int size = sect.width() * sect.height(); if (size > maxSize && sect.width() > 0 && sect.height() > 0) { maxSize = size; maxScreen = i; } } return maxScreen; } int QDesktopWidget::screenNumber(const QPoint &point) const { QDesktopWidgetImplementation *d = qdesktopWidgetImplementation(); int closestScreen = -1; int shortestDistance = INT_MAX; for (int i = 0; i < d->screenCount; ++i) { QRect rr = d->screenRect(i); int thisDistance = QWidgetPrivate::pointToRect(point, rr); if (thisDistance < shortestDistance) { shortestDistance = thisDistance; closestScreen = i; } } return closestScreen; } void QDesktopWidget::resizeEvent(QResizeEvent *) { QDesktopWidgetImplementation *d = qdesktopWidgetImplementation(); d->onResize(); for (int i = 0; i < d->screenCount; ++i) { emit resized(i); } } QT_END_NAMESPACE