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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qnswindowdelegate.h"
#include "qcocoahelpers.h"
#include "qcocoascreen.h"
#include <QDebug>
#include <qpa/qplatformscreen.h>
#include <qpa/qwindowsysteminterface.h>
static QRegExp whitespaceRegex = QRegExp(QStringLiteral("\\s*"));
@implementation QNSWindowDelegate
- (id)initWithQCocoaWindow:(QCocoaWindow *)cocoaWindow
{
if (self = [super init])
m_cocoaWindow = cocoaWindow;
return self;
}
- (BOOL)windowShouldClose:(NSNotification *)notification
{
Q_UNUSED(notification);
if (m_cocoaWindow) {
return m_cocoaWindow->windowShouldClose();
}
return YES;
}
/*!
Overridden to ensure that the zoomed state always results in a maximized
window, which would otherwise not be the case for borderless windows.
We also keep the window on the same screen as before; something AppKit
sometimes fails to do using its built in logic.
*/
- (NSRect)windowWillUseStandardFrame:(NSWindow *)window defaultFrame:(NSRect)proposedFrame
{
Q_UNUSED(proposedFrame);
Q_ASSERT(window == m_cocoaWindow->nativeWindow());
const QWindow *w = m_cocoaWindow->window();
// maximumSize() refers to the client size, but AppKit expects the full frame size
QSizeF maximumSize = w->maximumSize() + QSize(0, w->frameMargins().top());
// The window should never be larger than the current screen geometry
const QRectF screenGeometry = m_cocoaWindow->screen()->geometry();
maximumSize = maximumSize.boundedTo(screenGeometry.size());
// Use the current frame position for the initial maximized frame,
// so that the window stays put and just expand, in case its maximum
// size is within the screen bounds.
QRectF maximizedFrame = QRectF(w->framePosition(), maximumSize);
// But constrain the frame to the screen bounds in case the frame
// extends beyond the screen bounds as a result of starting out
// with the current frame position.
maximizedFrame.translate(QPoint(
qMax(screenGeometry.left() - maximizedFrame.left(), 0.0) +
qMin(screenGeometry.right() - maximizedFrame.right(), 0.0),
qMax(screenGeometry.top() - maximizedFrame.top(), 0.0) +
qMin(screenGeometry.bottom() - maximizedFrame.bottom(), 0.0)));
return QCocoaScreen::mapToNative(maximizedFrame);
}
- (BOOL)window:(NSWindow *)window shouldPopUpDocumentPathMenu:(NSMenu *)menu
{
Q_UNUSED(window);
Q_UNUSED(menu);
// Only pop up document path if the filename is non-empty. We allow whitespace, to
// allow faking a window icon by setting the file path to a single space character.
return !whitespaceRegex.exactMatch(m_cocoaWindow->window()->filePath());
}
- (BOOL)window:(NSWindow *)window shouldDragDocumentWithEvent:(NSEvent *)event from:(NSPoint)dragImageLocation withPasteboard:(NSPasteboard *)pasteboard
{
Q_UNUSED(window);
Q_UNUSED(event);
Q_UNUSED(dragImageLocation);
Q_UNUSED(pasteboard);
// Only allow drag if the filename is non-empty. We allow whitespace, to
// allow faking a window icon by setting the file path to a single space.
return !whitespaceRegex.exactMatch(m_cocoaWindow->window()->filePath());
}
@end
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