/**************************************************************************** ** ** 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. 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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. ** ** $QT_END_LICENSE$ ** ****************************************************************************/ /**************************************************************************** ** ** 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. ** ****************************************************************************/ #include "qcocoaapplication.h" #include "qcocoaintrospection.h" #include "qcocoaapplicationdelegate.h" #include "qcocoahelpers.h" #include "qcocoawindow.h" #include #include QT_USE_NAMESPACE static void qt_sendPostedMessage(NSEvent *event) { // WARNING: data1 and data2 is truncated to from 64-bit to 32-bit on OS 10.5! // That is why we need to split the address in two parts: quint64 lower = [event data1]; quint64 upper = [event data2]; QCocoaPostMessageArgs *args = reinterpret_cast(lower | (upper << 32)); // Special case for convenience: if the argument is an NSNumber, we unbox it directly. // Use NSValue instead if this behaviour is unwanted. id a1 = ([args->arg1 isKindOfClass:[NSNumber class]]) ? (id)[args->arg1 longValue] : args->arg1; id a2 = ([args->arg2 isKindOfClass:[NSNumber class]]) ? (id)[args->arg2 longValue] : args->arg2; switch (args->argCount) { case 0: [args->target performSelector:args->selector]; break; case 1: [args->target performSelector:args->selector withObject:a1]; break; case 3: [args->target performSelector:args->selector withObject:a1 withObject:a2]; break; } delete args; } static const QByteArray q_macLocalEventType = QByteArrayLiteral("mac_generic_NSEvent"); static bool qt_filterEvent(NSEvent *event) { if (qApp && qApp->eventDispatcher()-> filterNativeEvent(q_macLocalEventType, static_cast(event), 0)) return true; if ([event type] == NSApplicationDefined) { switch (static_cast([event subtype])) { case QtCocoaEventSubTypePostMessage: qt_sendPostedMessage(event); return true; default: break; } } return false; } static void qt_maybeSendKeyEquivalentUpEvent(NSEvent *event) { // Cocoa is known for not sending key up events for key // equivalents, regardless of whether it's an actual // recognized key equivalent. We decide to force fate // and forward the key event to the key (focus) window. // However, non-Qt windows will not (and should not) get // any special treatment, only QWindow-owned NSWindows. if (event.type == NSKeyUp && (event.modifierFlags & NSCommandKeyMask)) { NSWindow *targetWindow = event.window; if ([targetWindow.class conformsToProtocol:@protocol(QNSWindowProtocol)]) [targetWindow sendEvent:event]; } } @implementation QT_MANGLE_NAMESPACE(QNSApplication) - (void)QT_MANGLE_NAMESPACE(qt_sendEvent_original):(NSEvent *)event { Q_UNUSED(event); // This method will only be used as a signature // template for the method we add into NSApplication // containing the original [NSApplication sendEvent:] implementation } - (void)QT_MANGLE_NAMESPACE(qt_sendEvent_replacement):(NSEvent *)event { // This method (or its implementation to be precise) will // be called instead of sendEvent if redirection occurs. // 'self' will then be an instance of NSApplication // (and not QNSApplication) if (!qt_filterEvent(event)) { [self QT_MANGLE_NAMESPACE(qt_sendEvent_original):event]; qt_maybeSendKeyEquivalentUpEvent(event); } } - (void)sendEvent:(NSEvent *)event { // This method will be called if // no redirection occurs if (!qt_filterEvent(event)) { [super sendEvent:event]; qt_maybeSendKeyEquivalentUpEvent(event); } } @end QT_BEGIN_NAMESPACE void qt_redirectNSApplicationSendEvent() { if (QCoreApplication::testAttribute(Qt::AA_PluginApplication)) // In a plugin we cannot chain sendEvent hooks: a second plugin could // store the implementation of the first, which during the program flow // can be unloaded. return; if ([NSApp isMemberOfClass:[QT_MANGLE_NAMESPACE(QNSApplication) class]]) { // No need to change implementation since Qt // already controls a subclass of NSApplication return; } // Change the implementation of [NSApplication sendEvent] to the // implementation of qt_sendEvent_replacement found in QNSApplication. // And keep the old implementation that gets overwritten inside a new // method 'qt_sendEvent_original' that we add to NSApplication qt_cocoa_change_implementation( [NSApplication class], @selector(sendEvent:), [QT_MANGLE_NAMESPACE(QNSApplication) class], @selector(QT_MANGLE_NAMESPACE(qt_sendEvent_replacement):), @selector(QT_MANGLE_NAMESPACE(qt_sendEvent_original):)); } void qt_resetNSApplicationSendEvent() { if (QCoreApplication::testAttribute(Qt::AA_PluginApplication)) return; qt_cocoa_change_back_implementation([NSApplication class], @selector(sendEvent:), @selector(QT_MANGLE_NAMESPACE(qt_sendEvent_original):)); } QT_END_NAMESPACE