From 9ec564b0bfc94c2d33f02b24ca081b64ff9ebb9b Mon Sep 17 00:00:00 2001 From: James McDonnell Date: Fri, 4 May 2018 14:23:51 -0400 Subject: Basic foreign window support for QNX Requires a screen with working context permission parsing. Currently, all context permission requests fail because the parsing is incorrect. A context permission is added temporarily to prevent CLOSE/CREATE events when Qt reparents foreign windows. Qt does this temporarily when a foreign window is wrapped in a widget. Change-Id: I84c18e70d43239286fcd53715332d7015cf1a826 Reviewed-by: Rafael Roquetto --- examples/widgets/qnx/foreignwindows/collector.cpp | 176 +++++++++++++++++++++ examples/widgets/qnx/foreignwindows/collector.h | 75 +++++++++ .../widgets/qnx/foreignwindows/foreignwindows.pro | 11 ++ examples/widgets/qnx/foreignwindows/main.cpp | 53 +++++++ 4 files changed, 315 insertions(+) create mode 100644 examples/widgets/qnx/foreignwindows/collector.cpp create mode 100644 examples/widgets/qnx/foreignwindows/collector.h create mode 100644 examples/widgets/qnx/foreignwindows/foreignwindows.pro create mode 100644 examples/widgets/qnx/foreignwindows/main.cpp (limited to 'examples/widgets/qnx') diff --git a/examples/widgets/qnx/foreignwindows/collector.cpp b/examples/widgets/qnx/foreignwindows/collector.cpp new file mode 100644 index 0000000000..4b9e774945 --- /dev/null +++ b/examples/widgets/qnx/foreignwindows/collector.cpp @@ -0,0 +1,176 @@ +/*************************************************************************** +** +** 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 +#include +#include +#include + +#include +#include + +#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(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(&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(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(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(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; +} diff --git a/examples/widgets/qnx/foreignwindows/collector.h b/examples/widgets/qnx/foreignwindows/collector.h new file mode 100644 index 0000000000..2b1ed499ff --- /dev/null +++ b/examples/widgets/qnx/foreignwindows/collector.h @@ -0,0 +1,75 @@ +/*************************************************************************** +** +** 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. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef COLLECTOR_H_ +#define COLLECTOR_H_ + +#include +#include +#include + +#include + +class Collector : public QWidget, public QAbstractNativeEventFilter +{ +public: + explicit Collector(QWidget *parent = nullptr); + ~Collector() override; + + bool nativeEventFilter(const QByteArray &eventType, void *message, long *result) override; + +private: + struct Collectible + { + QWindow *window; + QWidget *widget; + }; + QVector m_collectibles; + + bool filterQnxScreenEvent(screen_event_t event); + bool filterQnxScreenWindowEvent(screen_event_t event); + bool filterQnxScreenWindowCreateEvent(screen_window_t window, screen_event_t event); + bool filterQnxScreenWindowCloseEvent(screen_window_t window, screen_event_t event); + bool filterQnxScreenWindowManagerEvent(screen_window_t window, screen_event_t event); + bool filterQnxScreenWindowManagerNameEvent(screen_window_t window, + screen_event_t event); +}; + + +#endif /* COLLECTOR_H_ */ diff --git a/examples/widgets/qnx/foreignwindows/foreignwindows.pro b/examples/widgets/qnx/foreignwindows/foreignwindows.pro new file mode 100644 index 0000000000..09ff8633eb --- /dev/null +++ b/examples/widgets/qnx/foreignwindows/foreignwindows.pro @@ -0,0 +1,11 @@ +TEMPLATE = app + +HEADERS += collector.h +SOURCES += main.cpp collector.cpp +LIBS += -lscreen + +QT += widgets + +# install +target.path = $$[QT_INSTALL_EXAMPLES]/widgets/qnx/foreignwindows +INSTALLS += target diff --git a/examples/widgets/qnx/foreignwindows/main.cpp b/examples/widgets/qnx/foreignwindows/main.cpp new file mode 100644 index 0000000000..128e93cf88 --- /dev/null +++ b/examples/widgets/qnx/foreignwindows/main.cpp @@ -0,0 +1,53 @@ +/*************************************************************************** +** +** 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 + +#include "collector.h" + +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + + Collector collector; + collector.resize(640, 480); + collector.show(); + + return app.exec(); +} -- cgit v1.2.3