| /*************************************************************************** |
| ** |
| ** Copyright (C) 2018 QNX Software Systems. All rights reserved. |
| ** 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 <QApplication> |
| #include <QDebug> |
| #include <QHBoxLayout> |
| #include <QWindow> |
| |
| #include <algorithm> |
| #include <screen/screen.h> |
| |
| #include "collector.h" |
| |
| constexpr int MANAGER_EVENT_NAME_SUGGESTION = 9999; |
| |
| Collector::Collector(QWidget *parent) |
| : QWidget(parent) |
| { |
| QApplication::instance()->installNativeEventFilter(this); |
| |
| QLayout *layout = new QHBoxLayout(this); |
| setLayout(layout); |
| } |
| |
| Collector::~Collector() |
| { |
| QApplication::instance()->removeNativeEventFilter(this); |
| } |
| |
| bool Collector::nativeEventFilter(const QByteArray &eventType, void *message, long *result) |
| { |
| Q_UNUSED(result); |
| |
| if (eventType == QByteArrayLiteral("screen_event_t")) |
| return filterQnxScreenEvent(static_cast<screen_event_t>(message)); |
| |
| return false; |
| } |
| |
| bool Collector::filterQnxScreenEvent(screen_event_t event) |
| { |
| int objectType = SCREEN_OBJECT_TYPE_CONTEXT; |
| screen_get_event_property_iv(event, SCREEN_PROPERTY_OBJECT_TYPE, &objectType); |
| |
| if (objectType == SCREEN_OBJECT_TYPE_WINDOW) |
| return filterQnxScreenWindowEvent(event); |
| |
| return false; |
| } |
| |
| bool Collector::filterQnxScreenWindowEvent(screen_event_t event) |
| { |
| int eventType = SCREEN_EVENT_NONE; |
| screen_get_event_property_iv(event, SCREEN_PROPERTY_TYPE, &eventType); |
| screen_window_t window = nullptr; |
| screen_get_event_property_pv(event, |
| SCREEN_PROPERTY_WINDOW, |
| reinterpret_cast<void **>(&window)); |
| |
| if (eventType == SCREEN_EVENT_CREATE) |
| return filterQnxScreenWindowCreateEvent(window, event); |
| else if (eventType == SCREEN_EVENT_CLOSE) |
| return filterQnxScreenWindowCloseEvent(window, event); |
| else if (eventType == SCREEN_EVENT_MANAGER) |
| return filterQnxScreenWindowManagerEvent(window, event); |
| |
| return false; |
| } |
| |
| bool Collector::filterQnxScreenWindowCreateEvent(screen_window_t window, screen_event_t event) |
| { |
| Q_UNUSED(event); |
| WId winId = reinterpret_cast<WId>(window); |
| |
| QByteArray parentGroup(256, 0); |
| screen_get_window_property_cv(window, |
| SCREEN_PROPERTY_PARENT, |
| parentGroup.length(), |
| parentGroup.data()); |
| parentGroup.resize(strlen(parentGroup.constData())); |
| |
| QByteArray group(256, 0); |
| screen_get_window_property_cv(reinterpret_cast<screen_window_t>(windowHandle()->winId()), |
| SCREEN_PROPERTY_GROUP, |
| group.length(), |
| group.data()); |
| group.resize(strlen(group.constData())); |
| |
| if (parentGroup != group) |
| return false; |
| |
| Collectible collectible; |
| collectible.window = QWindow::fromWinId(winId); |
| collectible.widget = QWidget::createWindowContainer(collectible.window, this); |
| layout()->addWidget(collectible.widget); |
| m_collectibles.append(collectible); |
| |
| return false; |
| } |
| |
| bool Collector::filterQnxScreenWindowCloseEvent(screen_window_t window, screen_event_t event) |
| { |
| Q_UNUSED(event); |
| WId winId = reinterpret_cast<WId>(window); |
| auto it = std::find_if(m_collectibles.begin(), m_collectibles.end(), |
| [winId] (const Collectible &collectible) { |
| return collectible.window->winId() == winId; |
| }); |
| if (it != m_collectibles.end()) { |
| delete it->widget; |
| // it->window is deleted by it->widget. |
| m_collectibles.erase(it); |
| } |
| |
| return false; |
| } |
| |
| bool Collector::filterQnxScreenWindowManagerEvent(screen_window_t window, screen_event_t event) |
| { |
| int managerEventType = 0; |
| screen_get_event_property_iv(event, SCREEN_PROPERTY_SUBTYPE, &managerEventType); |
| |
| if (managerEventType == MANAGER_EVENT_NAME_SUGGESTION) |
| return filterQnxScreenWindowManagerNameEvent(window, event); |
| |
| return false; |
| } |
| |
| bool Collector::filterQnxScreenWindowManagerNameEvent(screen_window_t window, screen_event_t event) |
| { |
| Q_UNUSED(window); |
| int dataSize = 0; |
| screen_get_event_property_iv(event, SCREEN_PROPERTY_SIZE, &dataSize); |
| if (dataSize > 0) { |
| QByteArray data(dataSize, 0); |
| screen_get_event_property_cv(event, SCREEN_PROPERTY_USER_DATA, data.size(), data.data()); |
| } |
| |
| return false; |
| } |