Windows-4.7.4/src/gui/kernel/qdesktopwidget_mac.mm - platform/external/qt - Git at Google

 /****************************************************************************
 **
 ** 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.
 **
 **
 **
 **
 **
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 /****************************************************************************
 **
 ** 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)
 {
     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];
         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];
         flippedY = - r.origin.y +                      // account for position offset and
               primaryRect.size.height - r.size.height; // height difference.
         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
	/****************************************************************************
	**
	** 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.
	**
	**
	**
	**
	**
	** $QT_END_LICENSE$
	**
	****************************************************************************/

	/****************************************************************************
	**
	** 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)
	{
	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];
	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];
	flippedY = - r.origin.y + // account for position offset and
	primaryRect.size.height - r.size.height; // height difference.
	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