1 files changed, 321 insertions, 0 deletions
diff --git a/src/client/qwaylandintegration.cpp b/src/client/qwaylandintegration.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the config.tests 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 Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qwaylandintegration_p.h"
+
+#include "qwaylanddisplay_p.h"
+#include "qwaylandinputcontext_p.h"
+#include "qwaylandshmbackingstore_p.h"
+#include "qwaylandshmwindow_p.h"
+#include "qwaylandnativeinterface_p.h"
+#include "qwaylandclipboard_p.h"
+#include "qwaylanddnd_p.h"
+#include "qwaylandwindowmanagerintegration_p.h"
+
+#include "QtPlatformSupport/private/qgenericunixfontdatabase_p.h"
+#include <QtPlatformSupport/private/qgenericunixeventdispatcher_p.h>
+#include <QtPlatformSupport/private/qgenericunixthemes_p.h>
+
+#include <QtGui/private/qguiapplication_p.h>
+
+#include <qpa/qwindowsysteminterface.h>
+#include <qpa/qplatformcursor.h>
+#include <QtGui/QSurfaceFormat>
+#include <QtGui/QOpenGLContext>
+
+#include <qpa/qplatforminputcontextfactory_p.h>
+#include <qpa/qplatformaccessibility.h>
+#include <qpa/qplatforminputcontext.h>
+
+#include "qwaylandhardwareintegration_p.h"
+#include "qwaylandclientbufferintegration_p.h"
+#include "qwaylandclientbufferintegrationfactory_p.h"
+
+#include "qwaylandserverbufferintegration_p.h"
+#include "qwaylandserverbufferintegrationfactory_p.h"
+
+QT_BEGIN_NAMESPACE
+
+class GenericWaylandTheme: public QGenericUnixTheme
+{
+public:
+    static QStringList themeNames()
+    {
+        QStringList result;
+
+        if (QGuiApplication::desktopSettingsAware()) {
+            const QByteArray desktopEnvironment = QGuiApplicationPrivate::platformIntegration()->services()->desktopEnvironment();
+
+            // Ignore X11 desktop environments
+            if (!desktopEnvironment.isEmpty() &&
+                desktopEnvironment != QByteArrayLiteral("UNKNOWN") &&
+                desktopEnvironment != QByteArrayLiteral("KDE") &&
+                desktopEnvironment != QByteArrayLiteral("GNOME") &&
+                desktopEnvironment != QByteArrayLiteral("UNITY") &&
+                desktopEnvironment != QByteArrayLiteral("MATE") &&
+                desktopEnvironment != QByteArrayLiteral("XFCE") &&
+                desktopEnvironment != QByteArrayLiteral("LXDE"))
+                result.push_back(QString::fromLocal8Bit(desktopEnvironment.toLower()));
+        }
+
+        if (result.isEmpty())
+            result.push_back(QLatin1String(QGenericUnixTheme::name));
+
+        return result;
+    }
+};
+
+QWaylandIntegration::QWaylandIntegration()
+    : mClientBufferIntegration(0)
+    , mFontDb(new QGenericUnixFontDatabase())
+    , mNativeInterface(new QWaylandNativeInterface(this))
+#ifndef QT_NO_ACCESSIBILITY
+    , mAccessibility(new QPlatformAccessibility())
+#else
+    , mAccessibility(0)
+#endif
+    , mClientBufferIntegrationInitialized(false)
+    , mServerBufferIntegrationInitialized(false)
+{
+    mDisplay = new QWaylandDisplay(this);
+    mClipboard = new QWaylandClipboard(mDisplay);
+    mDrag = new QWaylandDrag(mDisplay);
+
+    foreach (QPlatformScreen *screen, mDisplay->screens())
+        screenAdded(screen);
+
+    mInputContext.reset(new QWaylandInputContext(mDisplay));
+}
+
+QWaylandIntegration::~QWaylandIntegration()
+{
+    delete mDrag;
+    delete mClipboard;
+#ifndef QT_NO_ACCESSIBILITY
+    delete mAccessibility;
+#endif
+    delete mNativeInterface;
+    delete mDisplay;
+}
+
+QPlatformNativeInterface * QWaylandIntegration::nativeInterface() const
+{
+    return mNativeInterface;
+}
+
+bool QWaylandIntegration::hasCapability(QPlatformIntegration::Capability cap) const
+{
+    switch (cap) {
+    case ThreadedPixmaps: return true;
+    case OpenGL:
+        return mDisplay->clientBufferIntegration();
+    case ThreadedOpenGL:
+        return mDisplay->clientBufferIntegration() && mDisplay->clientBufferIntegration()->supportsThreadedOpenGL();
+    case BufferQueueingOpenGL:
+        return true;
+    case MultipleWindows:
+    case NonFullScreenWindows:
+        return true;
+    default: return QPlatformIntegration::hasCapability(cap);
+    }
+}
+
+QPlatformWindow *QWaylandIntegration::createPlatformWindow(QWindow *window) const
+{
+    if (window->surfaceType() == QWindow::OpenGLSurface && mDisplay->clientBufferIntegration())
+        return mDisplay->clientBufferIntegration()->createEglWindow(window);
+    return new QWaylandShmWindow(window);
+}
+
+QPlatformOpenGLContext *QWaylandIntegration::createPlatformOpenGLContext(QOpenGLContext *context) const
+{
+    if (mDisplay->clientBufferIntegration())
+        return mDisplay->clientBufferIntegration()->createPlatformOpenGLContext(context->format(), context->shareHandle());
+    return 0;
+}
+
+QPlatformBackingStore *QWaylandIntegration::createPlatformBackingStore(QWindow *window) const
+{
+    return new QWaylandShmBackingStore(window);
+}
+
+QAbstractEventDispatcher *QWaylandIntegration::createEventDispatcher() const
+{
+    return createUnixEventDispatcher();
+}
+
+void QWaylandIntegration::initialize()
+{
+    QAbstractEventDispatcher *dispatcher = QGuiApplicationPrivate::eventDispatcher;
+    QObject::connect(dispatcher, SIGNAL(aboutToBlock()), mDisplay, SLOT(flushRequests()));
+}
+
+QPlatformFontDatabase *QWaylandIntegration::fontDatabase() const
+{
+    return mFontDb;
+}
+
+QPlatformClipboard *QWaylandIntegration::clipboard() const
+{
+    return mClipboard;
+}
+
+QPlatformDrag *QWaylandIntegration::drag() const
+{
+    return mDrag;
+}
+
+QPlatformInputContext *QWaylandIntegration::inputContext() const
+{
+    return mInputContext.data();
+}
+
+QVariant QWaylandIntegration::styleHint(StyleHint hint) const
+{
+    if (hint == ShowIsFullScreen && mDisplay->windowManagerIntegration())
+        return mDisplay->windowManagerIntegration()->showIsFullScreen();
+
+    return QPlatformIntegration::styleHint(hint);
+}
+
+QPlatformAccessibility *QWaylandIntegration::accessibility() const
+{
+    return mAccessibility;
+}
+
+QPlatformServices *QWaylandIntegration::services() const
+{
+    return mDisplay->windowManagerIntegration();
+}
+
+QWaylandDisplay *QWaylandIntegration::display() const
+{
+    return mDisplay;
+}
+
+QStringList QWaylandIntegration::themeNames() const
+{
+    return GenericWaylandTheme::themeNames();
+}
+
+QPlatformTheme *QWaylandIntegration::createPlatformTheme(const QString &name) const
+{
+    return GenericWaylandTheme::createUnixTheme(name);
+}
+
+QWaylandClientBufferIntegration *QWaylandIntegration::clientBufferIntegration() const
+{
+    if (!mClientBufferIntegrationInitialized)
+        const_cast<QWaylandIntegration *>(this)->initializeClientBufferIntegration();
+
+    return mClientBufferIntegration;
+}
+
+QWaylandServerBufferIntegration *QWaylandIntegration::serverBufferIntegration() const
+{
+    if (!mServerBufferIntegrationInitialized)
+        const_cast<QWaylandIntegration *>(this)->initializeServerBufferIntegration();
+
+    return mServerBufferIntegration;
+}
+
+void QWaylandIntegration::initializeClientBufferIntegration()
+{
+    mClientBufferIntegrationInitialized = true;
+
+    QString targetKey;
+    bool disableHardwareIntegration = qEnvironmentVariableIsSet("QT_WAYLAND_DISABLE_HW_INTEGRATION");
+    disableHardwareIntegration = disableHardwareIntegration || !mDisplay->hardwareIntegration();
+    if (disableHardwareIntegration) {
+        QByteArray clientBufferIntegrationName = qgetenv("QT_WAYLAND_CLIENT_BUFFER_INTEGRATION");
+        if (clientBufferIntegrationName.isEmpty())
+            clientBufferIntegrationName = QByteArrayLiteral("wayland-egl");
+        targetKey = QString::fromLocal8Bit(clientBufferIntegrationName);
+    } else {
+        targetKey = mDisplay->hardwareIntegration()->clientBufferIntegration();
+    }
+
+    if (targetKey.isEmpty()) {
+        qWarning("Failed to determin what client buffer integration to use");
+        return;
+    }
+
+    QStringList keys = QWaylandClientBufferIntegrationFactory::keys();
+    if (keys.contains(targetKey)) {
+        mClientBufferIntegration = QWaylandClientBufferIntegrationFactory::create(targetKey, QStringList());
+    }
+    if (mClientBufferIntegration)
+        mClientBufferIntegration->initialize(mDisplay);
+    else
+        qWarning("Failed to load client buffer intgration: %s\n", qPrintable(targetKey));
+}
+
+void QWaylandIntegration::initializeServerBufferIntegration()
+{
+    mServerBufferIntegrationInitialized = true;
+
+    QString targetKey;
+
+    bool disableHardwareIntegration = qEnvironmentVariableIsSet("QT_WAYLAND_DISABLE_HW_INTEGRATION");
+    disableHardwareIntegration = disableHardwareIntegration || !mDisplay->hardwareIntegration();
+    if (disableHardwareIntegration) {
+        QByteArray serverBufferIntegrationName = qgetenv("QT_WAYLAND_SERVER_BUFFER_INTEGRATION");
+        QString targetKey = QString::fromLocal8Bit(serverBufferIntegrationName);
+    } else {
+        targetKey = mDisplay->hardwareIntegration()->serverBufferIntegration();
+    }
+
+    if (targetKey.isEmpty()) {
+        qWarning("Failed to determin what server buffer integration to use");
+        return;
+    }
+
+    QStringList keys = QWaylandServerBufferIntegrationFactory::keys();
+    if (keys.contains(targetKey)) {
+        mServerBufferIntegration = QWaylandServerBufferIntegrationFactory::create(targetKey, QStringList());
+    }
+    if (mServerBufferIntegration)
+        mServerBufferIntegration->initialize(mDisplay);
+    else
+        qWarning("Failed to load server buffer integration %s\n", qPrintable(targetKey));
+}
+
+QT_END_NAMESPACE