306 lines
9.1 KiB
C++
306 lines
9.1 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the plugins of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qxcbintegration.h"
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#include "qxcbconnection.h"
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#include "qxcbscreen.h"
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#include "qxcbwindow.h"
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#include "qxcbcursor.h"
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#include "qxcbkeyboard.h"
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#include "qxcbbackingstore.h"
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#include "qxcbnativeinterface.h"
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#include "qxcbclipboard.h"
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#include "qxcbdrag.h"
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#include <xcb/xcb.h>
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#include <QtPlatformSupport/private/qgenericunixeventdispatcher_p.h>
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#include <QtPlatformSupport/private/qgenericunixfontdatabase_p.h>
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#include <QtPlatformSupport/private/qgenericunixservices_p.h>
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#include <stdio.h>
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//this has to be included before egl, since egl pulls in X headers
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#include <QtGui/private/qguiapplication_p.h>
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#ifdef XCB_USE_EGL
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#include <EGL/egl.h>
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#endif
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#ifdef XCB_USE_XLIB
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#include <X11/Xlib.h>
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#endif
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#include <qpa/qplatforminputcontextfactory_p.h>
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#include <private/qgenericunixthemes_p.h>
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#include <qpa/qplatforminputcontext.h>
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#if defined(XCB_USE_GLX)
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#include "qglxintegration.h"
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#elif defined(XCB_USE_EGL)
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#include "qxcbeglsurface.h"
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#include <QtPlatformSupport/private/qeglplatformcontext_p.h>
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#include <QtPlatformSupport/private/qeglpbuffer_p.h>
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#endif
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#include <QtGui/QOpenGLContext>
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#include <QtGui/QScreen>
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#include <QtGui/QOffscreenSurface>
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#ifndef QT_NO_ACCESSIBILITY
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#include <qpa/qplatformaccessibility.h>
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#ifndef QT_NO_ACCESSIBILITY_ATSPI_BRIDGE
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#include "../../../platformsupport/linuxaccessibility/bridge_p.h"
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#endif
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#endif
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QT_BEGIN_NAMESPACE
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QXcbIntegration::QXcbIntegration(const QStringList ¶meters)
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: m_eventDispatcher(createUnixEventDispatcher())
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, m_services(new QGenericUnixServices)
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{
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QGuiApplicationPrivate::instance()->setEventDispatcher(m_eventDispatcher);
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#ifdef XCB_USE_XLIB
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XInitThreads();
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#endif
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m_nativeInterface.reset(new QXcbNativeInterface);
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m_connections << new QXcbConnection(m_nativeInterface.data());
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for (int i = 0; i < parameters.size() - 1; i += 2) {
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#ifdef Q_XCB_DEBUG
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qDebug() << "QXcbIntegration: Connecting to additional display: " << parameters.at(i) << parameters.at(i+1);
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#endif
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QString display = parameters.at(i) + ':' + parameters.at(i+1);
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m_connections << new QXcbConnection(m_nativeInterface.data(), display.toLatin1().constData());
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}
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m_fontDatabase.reset(new QGenericUnixFontDatabase());
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m_inputContext.reset(QPlatformInputContextFactory::create());
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#if !defined(QT_NO_ACCESSIBILITY) && !defined(QT_NO_ACCESSIBILITY_ATSPI_BRIDGE)
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m_accessibility.reset(new QSpiAccessibleBridge());
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#endif
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}
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QXcbIntegration::~QXcbIntegration()
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{
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qDeleteAll(m_connections);
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}
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QPlatformWindow *QXcbIntegration::createPlatformWindow(QWindow *window) const
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{
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return new QXcbWindow(window);
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}
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#if defined(XCB_USE_EGL)
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class QEGLXcbPlatformContext : public QEGLPlatformContext
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{
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public:
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QEGLXcbPlatformContext(const QSurfaceFormat &glFormat, QPlatformOpenGLContext *share,
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EGLDisplay display, QXcbConnection *c)
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: QEGLPlatformContext(glFormat, share, display)
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, m_connection(c)
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{
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Q_XCB_NOOP(m_connection);
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}
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void swapBuffers(QPlatformSurface *surface)
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{
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Q_XCB_NOOP(m_connection);
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QEGLPlatformContext::swapBuffers(surface);
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Q_XCB_NOOP(m_connection);
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}
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bool makeCurrent(QPlatformSurface *surface)
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{
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Q_XCB_NOOP(m_connection);
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bool ret = QEGLPlatformContext::makeCurrent(surface);
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Q_XCB_NOOP(m_connection);
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return ret;
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}
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void doneCurrent()
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{
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Q_XCB_NOOP(m_connection);
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QEGLPlatformContext::doneCurrent();
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Q_XCB_NOOP(m_connection);
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}
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EGLSurface eglSurfaceForPlatformSurface(QPlatformSurface *surface)
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{
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if (surface->surface()->surfaceClass() == QSurface::Window)
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return static_cast<QXcbWindow *>(surface)->eglSurface()->surface();
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else
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return static_cast<QEGLPbuffer *>(surface)->pbuffer();
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}
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private:
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QXcbConnection *m_connection;
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};
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#endif
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#ifndef QT_NO_OPENGL
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QPlatformOpenGLContext *QXcbIntegration::createPlatformOpenGLContext(QOpenGLContext *context) const
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{
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QXcbScreen *screen = static_cast<QXcbScreen *>(context->screen()->handle());
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#if defined(XCB_USE_GLX)
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return new QGLXContext(screen, context->format(), context->shareHandle());
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#elif defined(XCB_USE_EGL)
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return new QEGLXcbPlatformContext(context->format(), context->shareHandle(),
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screen->connection()->egl_display(), screen->connection());
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#else
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Q_UNUSED(screen);
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qWarning("QXcbIntegration: Cannot create platform OpenGL context, neither GLX nor EGL are enabled");
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return 0;
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#endif
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}
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#endif
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QPlatformBackingStore *QXcbIntegration::createPlatformBackingStore(QWindow *window) const
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{
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return new QXcbBackingStore(window);
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}
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QPlatformOffscreenSurface *QXcbIntegration::createPlatformOffscreenSurface(QOffscreenSurface *surface) const
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{
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#if defined(XCB_USE_GLX)
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return new QGLXPbuffer(surface);
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#elif defined(XCB_USE_EGL)
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QXcbScreen *screen = static_cast<QXcbScreen *>(surface->screen()->handle());
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return new QEGLPbuffer(screen->connection()->egl_display(), surface->requestedFormat(), surface);
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#else
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Q_UNUSED(surface);
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qWarning("QXcbIntegration: Cannot create platform offscreen surface, neither GLX nor EGL are enabled");
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return 0;
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#endif
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}
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bool QXcbIntegration::hasCapability(QPlatformIntegration::Capability cap) const
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{
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switch (cap) {
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case ThreadedPixmaps: return true;
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#if defined(XCB_USE_GLX)
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case OpenGL: return m_connections.at(0)->hasGLX();
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#elif defined(XCB_USE_EGL)
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case OpenGL: return true;
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#else
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case OpenGL: return false;
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#endif
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case ThreadedOpenGL: return m_connections.at(0)->supportsThreadedRendering();
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case WindowMasks: return true;
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case MultipleWindows: return true;
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default: return QPlatformIntegration::hasCapability(cap);
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}
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}
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QAbstractEventDispatcher *QXcbIntegration::guiThreadEventDispatcher() const
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{
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return m_eventDispatcher;
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}
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void QXcbIntegration::moveToScreen(QWindow *window, int screen)
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{
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Q_UNUSED(window);
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Q_UNUSED(screen);
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}
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QPlatformFontDatabase *QXcbIntegration::fontDatabase() const
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{
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return m_fontDatabase.data();
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}
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QPlatformNativeInterface * QXcbIntegration::nativeInterface() const
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{
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return m_nativeInterface.data();
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}
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#ifndef QT_NO_CLIPBOARD
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QPlatformClipboard *QXcbIntegration::clipboard() const
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{
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return m_connections.at(0)->clipboard();
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}
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#endif
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#ifndef QT_NO_DRAGANDDROP
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QPlatformDrag *QXcbIntegration::drag() const
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{
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return m_connections.at(0)->drag();
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}
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#endif
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QPlatformInputContext *QXcbIntegration::inputContext() const
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{
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return m_inputContext.data();
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}
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#ifndef QT_NO_ACCESSIBILITY
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QPlatformAccessibility *QXcbIntegration::accessibility() const
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{
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return m_accessibility.data();
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}
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#endif
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QPlatformServices *QXcbIntegration::services() const
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{
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return m_services.data();
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}
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Qt::KeyboardModifiers QXcbIntegration::queryKeyboardModifiers() const
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{
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int keybMask = 0;
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QXcbConnection *conn = m_connections.at(0);
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QXcbCursor::queryPointer(conn, 0, 0, &keybMask);
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return conn->keyboard()->translateModifiers(keybMask);
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}
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QStringList QXcbIntegration::themeNames() const
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{
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return QGenericUnixTheme::themeNames();
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}
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QPlatformTheme *QXcbIntegration::createPlatformTheme(const QString &name) const
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{
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return QGenericUnixTheme::createUnixTheme(name);
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}
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QT_END_NAMESPACE
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