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/****************************************************************************
**
** 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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
/****************************************************************************
**
** 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 <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), 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
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