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252 lines
8.6 KiB
Text
252 lines
8.6 KiB
Text
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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/****************************************************************************
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**
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** Copyright (c) 2007-2008, Apple, Inc.
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**
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are met:
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**
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** * Redistributions of source code must retain the above copyright notice,
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** this list of conditions and the following disclaimer.
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**
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** * Redistributions in binary form must reproduce the above copyright notice,
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** this list of conditions and the following disclaimer in the documentation
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** and/or other materials provided with the distribution.
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**
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** * Neither the name of Apple, Inc. nor the names of its contributors
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** may be used to endorse or promote products derived from this software
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** without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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** CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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** EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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** PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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** PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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** LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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** NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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** SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**
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****************************************************************************/
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#import <Cocoa/Cocoa.h>
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#include "qapplication.h"
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#include "qdesktopwidget.h"
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#include <qt_mac_p.h>
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#include "qwidget_p.h"
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#include <qt_cocoa_helpers_mac_p.h>
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#include <qdesktopwidget_mac_p.h>
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QT_BEGIN_NAMESPACE
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QT_USE_NAMESPACE
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/*****************************************************************************
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Externals
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*****************************************************************************/
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/*****************************************************************************
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QDesktopWidget member functions
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*****************************************************************************/
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Q_GLOBAL_STATIC(QDesktopWidgetImplementation, qdesktopWidgetImplementation)
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QDesktopWidgetImplementation::QDesktopWidgetImplementation()
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: appScreen(0)
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{
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onResize();
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}
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QDesktopWidgetImplementation::~QDesktopWidgetImplementation()
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{
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}
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QDesktopWidgetImplementation *QDesktopWidgetImplementation::instance()
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{
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return qdesktopWidgetImplementation();
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}
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QRect QDesktopWidgetImplementation::availableRect(int screenIndex) const
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{
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if (screenIndex < 0 || screenIndex >= screenCount)
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screenIndex = appScreen;
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return availableRects[screenIndex].toRect();
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}
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QRect QDesktopWidgetImplementation::screenRect(int screenIndex) const
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{
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if (screenIndex < 0 || screenIndex >= screenCount)
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screenIndex = appScreen;
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return screenRects[screenIndex].toRect();
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}
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void QDesktopWidgetImplementation::onResize()
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{
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QMacCocoaAutoReleasePool pool;
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NSArray *displays = [NSScreen screens];
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screenCount = [displays count];
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screenRects.clear();
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availableRects.clear();
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NSRect primaryRect = [[displays objectAtIndex:0] frame];
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for (int i = 0; i<screenCount; i++) {
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NSRect r = [[displays objectAtIndex:i] frame];
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int flippedY = - r.origin.y + // account for position offset and
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primaryRect.size.height - r.size.height; // height difference.
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screenRects.append(QRectF(r.origin.x, flippedY,
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r.size.width, r.size.height));
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r = [[displays objectAtIndex:i] visibleFrame];
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flippedY = - r.origin.y + // account for position offset and
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primaryRect.size.height - r.size.height; // height difference.
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availableRects.append(QRectF(r.origin.x, flippedY,
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r.size.width, r.size.height));
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}
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}
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QDesktopWidget::QDesktopWidget()
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: QWidget(0, Qt::Desktop)
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{
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setObjectName(QLatin1String("desktop"));
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setAttribute(Qt::WA_WState_Visible);
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}
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QDesktopWidget::~QDesktopWidget()
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{
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}
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bool QDesktopWidget::isVirtualDesktop() const
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{
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return true;
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}
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int QDesktopWidget::primaryScreen() const
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{
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return qdesktopWidgetImplementation()->appScreen;
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}
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QWidget *QDesktopWidget::screen(int)
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{
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return this;
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}
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const QRect QDesktopWidget::availableGeometry(int screen) const
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{
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return qdesktopWidgetImplementation()->availableRect(screen);
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}
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const QRect QDesktopWidget::screenGeometry(int screen) const
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{
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return qdesktopWidgetImplementation()->screenRect(screen);
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}
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int QDesktopWidget::screenNumber(const QWidget *widget) const
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{
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QDesktopWidgetImplementation *d = qdesktopWidgetImplementation();
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if (!widget)
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return d->appScreen;
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QRect frame = widget->frameGeometry();
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if (!widget->isWindow())
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frame.moveTopLeft(widget->mapToGlobal(QPoint(0,0)));
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int maxSize = -1, maxScreen = -1;
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for (int i = 0; i < d->screenCount; ++i) {
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QRect rr = d->screenRect(i);
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QRect sect = rr.intersected(frame);
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int size = sect.width() * sect.height();
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if (size > maxSize && sect.width() > 0 && sect.height() > 0) {
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maxSize = size;
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maxScreen = i;
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}
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}
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return maxScreen;
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}
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int QDesktopWidget::screenNumber(const QPoint &point) const
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{
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QDesktopWidgetImplementation *d = qdesktopWidgetImplementation();
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int closestScreen = -1;
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int shortestDistance = INT_MAX;
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for (int i = 0; i < d->screenCount; ++i) {
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QRect rr = d->screenRect(i);
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int thisDistance = QWidgetPrivate::pointToRect(point, rr);
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if (thisDistance < shortestDistance) {
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shortestDistance = thisDistance;
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closestScreen = i;
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}
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}
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return closestScreen;
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}
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void QDesktopWidget::resizeEvent(QResizeEvent *)
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{
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QDesktopWidgetImplementation *d = qdesktopWidgetImplementation();
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const int oldScreenCount = d->screenCount;
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const QVector<QRectF> oldRects(d->screenRects);
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const QVector<QRectF> oldWorks(d->availableRects);
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d->onResize();
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for (int i = 0; i < qMin(oldScreenCount, d->screenCount); ++i) {
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if (oldRects.at(i) != d->screenRects.at(i))
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emit resized(i);
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}
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for (int i = 0; i < qMin(oldScreenCount, d->screenCount); ++i) {
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if (oldWorks.at(i) != d->availableRects.at(i))
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emit workAreaResized(i);
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}
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if (oldScreenCount != d->screenCount)
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emit screenCountChanged(d->screenCount);
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}
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QT_END_NAMESPACE
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