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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include <AppKit/AppKit.h>
#include "qnswindowdelegate.h"
#include "qcocoahelpers.h"
#include "qcocoawindow.h"
#include "qcocoascreen.h"
#include <QDebug>
#include <QtCore/private/qcore_mac_p.h>
#include <qpa/qplatformscreen.h>
#include <qpa/qwindowsysteminterface.h>
static inline bool isWhiteSpace(const QString &s)
{
for (int i = 0; i < s.size(); ++i)
if (!s.at(i).isSpace())
return false;
return true;
}
static QCocoaWindow *toPlatformWindow(NSWindow *window)
{
if ([window conformsToProtocol:@protocol(QNSWindowProtocol)])
return static_cast<QCocoaNSWindow *>(window).platformWindow;
return nullptr;
}
@implementation QNSWindowDelegate
- (BOOL)windowShouldClose:(NSWindow *)window
{
if (QCocoaWindow *platformWindow = toPlatformWindow(window))
return platformWindow->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);
QCocoaWindow *platformWindow = toPlatformWindow(window);
Q_ASSERT(platformWindow);
const QWindow *w = platformWindow->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 = platformWindow->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)windowShouldZoom:(NSWindow*)window toFrame:(NSRect)newFrame
{
QCocoaWindow *platformWindow = toPlatformWindow(window);
Q_ASSERT(platformWindow);
platformWindow->windowWillZoom();
return YES;
}
- (BOOL)window:(NSWindow *)window shouldPopUpDocumentPathMenu:(NSMenu *)menu
{
Q_UNUSED(menu);
QCocoaWindow *platformWindow = toPlatformWindow(window);
Q_ASSERT(platformWindow);
// 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 !isWhiteSpace(platformWindow->window()->filePath());
}
- (BOOL)window:(NSWindow *)window shouldDragDocumentWithEvent:(NSEvent *)event from:(NSPoint)dragImageLocation withPasteboard:(NSPasteboard *)pasteboard
{
Q_UNUSED(event);
Q_UNUSED(dragImageLocation);
Q_UNUSED(pasteboard);
QCocoaWindow *platformWindow = toPlatformWindow(window);
Q_ASSERT(platformWindow);
// 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 !isWhiteSpace(platformWindow->window()->filePath());
}
@end
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