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// Copyright (C) 2018 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
// This file is included from qnsview.mm, and only used to organize the code
#include "qcocoaapplicationdelegate.h"
#include "qcocoansmenu.h"
#include "qcocoamenuitem.h"
#include "qcocoamenu.h"
#include "qcocoamenubar.h"
static bool selectorIsCutCopyPaste(SEL selector)
{
return (selector == @selector(cut:)
|| selector == @selector(copy:)
|| selector == @selector(paste:)
|| selector == @selector(selectAll:));
}
@interface QNSView (Menus)
- (void)qt_itemFired:(QCocoaNSMenuItem *)item;
@end
@implementation QNSView (Menus)
- (BOOL)validateMenuItem:(NSMenuItem*)item
{
qCDebug(lcQpaMenus) << "Validating" << item << "for" << self;
auto *nativeItem = qt_objc_cast<QCocoaNSMenuItem *>(item);
if (!nativeItem)
return item.enabled; // FIXME Test with with Qt as plugin or embedded QWindow.
auto *platformItem = nativeItem.platformMenuItem;
if (!platformItem)
return NO;
// Menu-holding items are always enabled, as it's conventional in Cocoa
if (platformItem->menu())
return YES;
// Check if a modal dialog is active. If so, enable only menu
// items explicitly belonging to this window's own menu bar, or to the window.
if (QGuiApplication::modalWindow() && QGuiApplication::modalWindow()->isActive()) {
QCocoaMenuBar *menubar = nullptr;
QCocoaWindow *menuWindow = nullptr;
QObject *menuParent = platformItem->menuParent();
while (menuParent && !(menubar = qobject_cast<QCocoaMenuBar *>(menuParent))) {
menuWindow = qobject_cast<QCocoaWindow *>(menuParent);
auto *menuObject = dynamic_cast<QCocoaMenuObject *>(menuParent);
menuParent = menuObject ? menuObject->menuParent() : nullptr;
}
if ((!menuWindow || menuWindow->window() != QGuiApplication::modalWindow())
&& (!menubar || menubar->cocoaWindow() != self.platformWindow))
return NO;
}
return platformItem->isEnabled();
}
- (BOOL)respondsToSelector:(SEL)selector
{
// Not exactly true. Both copy: and selectAll: can work on non key views.
if (selectorIsCutCopyPaste(selector))
return ([NSApp keyWindow] == self.window) && (self.window.firstResponder == self);
return [super respondsToSelector:selector];
}
- (void)qt_itemFired:(QCocoaNSMenuItem *)item
{
auto *appDelegate = [QCocoaApplicationDelegate sharedDelegate];
[appDelegate qt_itemFired:item];
}
- (NSMethodSignature *)methodSignatureForSelector:(SEL)selector
{
if (selectorIsCutCopyPaste(selector)) {
NSMethodSignature *itemFiredSign = [super methodSignatureForSelector:@selector(qt_itemFired:)];
return itemFiredSign;
}
return [super methodSignatureForSelector:selector];
}
- (void)forwardInvocation:(NSInvocation *)invocation
{
if (selectorIsCutCopyPaste(invocation.selector)) {
NSObject *sender;
[invocation getArgument:&sender atIndex:2];
qCDebug(lcQpaMenus) << "Forwarding" << invocation.selector << "from" << sender;
// We claim to respond to standard edit actions such as cut/copy/paste,
// but these might not be exclusively coming from menu items that we
// control. For example, when embedded into a native UI (as a plugin),
// the menu items might be part of the host application, and if we're
// the first responder, we'll be the target of these actions. As we
// don't have a mechanism in Qt to trigger generic actions, we have
// to bail out if we don't have a QCocoaNSMenuItem we can activate().
// Note that we skip the call to super as well, as that would just
// try to invoke the current action on ourselves again.
if (auto *nativeItem = qt_objc_cast<QCocoaNSMenuItem *>(sender))
[self qt_itemFired:nativeItem];
else
qCDebug(lcQpaMenus) << "Ignoring action for menu item we didn't create";
return;
}
[super forwardInvocation:invocation];
}
@end
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