/****************************************************************************+ −
**+ −
** 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.+ −
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** If you have questions regarding the use of this file, please contact+ −
** Nokia at qt-info@nokia.com.+ −
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**+ −
** $QT_END_LICENSE$+ −
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****************************************************************************/+ −
+ − /****************************************************************************+ −
**+ −
** Copyright (c) 2007-2008, Apple, Inc.+ −
**+ −
** All rights reserved.+ −
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** Redistribution and use in source and binary forms, with or without+ −
** modification, are permitted provided that the following conditions are met:+ −
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** * Redistributions of source code must retain the above copyright notice,+ −
** this list of conditions and the following disclaimer.+ −
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** * Redistributions in binary form must reproduce the above copyright notice,+ −
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** * Neither the name of Apple, Inc. nor the names of its contributors+ −
** may be used to endorse or promote products derived from this software+ −
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****************************************************************************/+ −
+ − #import <Cocoa/Cocoa.h>+ −
+ − #include "qapplication.h"+ −
#include "qdesktopwidget.h"+ −
#include <private/qt_mac_p.h>+ −
#include "qwidget_p.h"+ −
#include <private/qt_cocoa_helpers_mac_p.h>+ −
#include <private/qdesktopwidget_mac_p.h>+ −
+ − QT_BEGIN_NAMESPACE+ −
+ − QT_USE_NAMESPACE+ −
+ − /*****************************************************************************+ −
Externals+ −
*****************************************************************************/+ −
+ − /*****************************************************************************+ −
QDesktopWidget member functions+ −
*****************************************************************************/+ −
+ − Q_GLOBAL_STATIC(QDesktopWidgetImplementation, qdesktopWidgetImplementation)+ −
+ − QDesktopWidgetImplementation::QDesktopWidgetImplementation()+ −
: appScreen(0)+ −
{+ −
onResize();+ −
}+ −
+ − QDesktopWidgetImplementation::~QDesktopWidgetImplementation()+ −
{+ −
}+ −
+ − QDesktopWidgetImplementation *QDesktopWidgetImplementation::instance()+ −
{+ −
return qdesktopWidgetImplementation();+ −
}+ −
+ − QRect QDesktopWidgetImplementation::availableRect(int screenIndex) const+ −
{+ −
if (screenIndex < 0 || screenIndex >= screenCount)+ −
screenIndex = appScreen;+ −
+ − return availableRects[screenIndex].toRect(); + −
}+ −
+ − QRect QDesktopWidgetImplementation::screenRect(int screenIndex) const+ −
{+ −
if (screenIndex < 0 || screenIndex >= screenCount)+ −
screenIndex = appScreen;+ −
+ − return screenRects[screenIndex].toRect();+ −
}+ −
+ − void QDesktopWidgetImplementation::onResize()+ −
{+ −
QMacCocoaAutoReleasePool pool; + −
NSArray *displays = [NSScreen screens]; + −
screenCount = [displays count]; + −
+ −
screenRects.clear(); + −
availableRects.clear(); + −
NSRect primaryRect = [[displays objectAtIndex:0] frame]; + −
for (int i = 0; i<screenCount; i++) { + −
NSRect r = [[displays objectAtIndex:i] frame]; + −
const int flippedY = - r.origin.y + // account for position offset and + −
primaryRect.size.height - r.size.height; // height difference. + −
screenRects.append(QRectF(r.origin.x, flippedY, + −
r.size.width, r.size.height)); + −
r = [[displays objectAtIndex:i] visibleFrame]; + −
availableRects.append(QRectF(r.origin.x, flippedY, + −
r.size.width, r.size.height)); + −
} + −
}+ −
+ − + − + − 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();+ −
+ − const int oldScreenCount = d->screenCount;+ −
const QVector<QRectF> oldRects(d->screenRects);+ −
const QVector<QRectF> oldWorks(d->availableRects);+ −
+ − d->onResize();+ −
+ − for (int i = 0; i < qMin(oldScreenCount, d->screenCount); ++i) {+ −
if (oldRects.at(i) != d->screenRects.at(i))+ −
emit resized(i);+ −
}+ −
for (int i = 0; i < qMin(oldScreenCount, d->screenCount); ++i) {+ −
if (oldWorks.at(i) != d->availableRects.at(i))+ −
emit workAreaResized(i);+ −
}+ −
+ − if (oldScreenCount != d->screenCount)+ −
emit screenCountChanged(d->screenCount);+ −
}+ −
+ − QT_END_NAMESPACE+ −