| /**************************************************************************** |
| ** |
| ** Copyright (C) 2019 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 "qcocoawindowmanager.h" |
| #include "qcocoawindow.h" |
| |
| #include <QtCore/private/qcore_mac_p.h> |
| |
| #include <QtGui/qguiapplication.h> |
| #include <QtGui/qwindow.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| QCocoaWindowManager *QCocoaWindowManager::instance() |
| { |
| static auto *instance = new QCocoaWindowManager; |
| return instance; |
| } |
| |
| QCocoaWindowManager::QCocoaWindowManager() |
| { |
| if (NSApp) { |
| initialize(); |
| } else { |
| static auto applicationDidFinishLaunching(QMacNotificationObserver(nil, |
| NSApplicationDidFinishLaunchingNotification, [this] { initialize(); })); |
| } |
| } |
| |
| void QCocoaWindowManager::initialize() |
| { |
| Q_ASSERT(NSApp); |
| |
| // Whenever the modalWindow property of NSApplication changes we have a new |
| // modal session running. Observing the app modal window instead of our own |
| // event dispatcher sessions allows us to track session started by native |
| // APIs as well. We need to check the initial state as well, in case there |
| // is already a modal session running. |
| static auto modalSessionObserver(QMacKeyValueObserver( |
| NSApp, @"modalWindow", [this] { modalSessionChanged(); }, |
| NSKeyValueObservingOptionInitial | NSKeyValueObservingOptionNew)); |
| } |
| |
| void QCocoaWindowManager::modalSessionChanged() |
| { |
| // Make sure that no window is overlapping the modal window. This can |
| // happen for e.g. splash screens, which have the NSPopUpMenuWindowLevel. |
| for (auto *window : QGuiApplication::topLevelWindows()) { |
| auto *platformWindow = static_cast<QCocoaWindow*>(window->handle()); |
| if (!platformWindow) |
| continue; |
| |
| auto naturalWindowLevel = platformWindow->windowLevel(window->flags()); |
| if (naturalWindowLevel > NSModalPanelWindowLevel) { |
| NSWindow *nativeWindow = platformWindow->nativeWindow(); |
| if (NSApp.modalWindow) { |
| // Lower window to that of the modal windows, but no less |
| nativeWindow.level = NSModalPanelWindowLevel; |
| if ([nativeWindow isVisible]) |
| [nativeWindow orderBack:nil]; |
| } else { |
| // Restore window's natural window level, whatever that was |
| nativeWindow.level = naturalWindowLevel; |
| } |
| } |
| } |
| } |
| |
| static void initializeWindowManager() { Q_UNUSED(QCocoaWindowManager::instance()); } |
| Q_CONSTRUCTOR_FUNCTION(initializeWindowManager) |
| |
| QT_END_NAMESPACE |
| |