Move xdg-shell-v5 to a plugin

This is the first step in deprecating xdg-shell unstable v5 and making the good
names available for the good names for xdg-shell stable.

Shell initialization has been refactored slightly, so the
QWaylandShellIntegrationFactory actually tries to initialize the shell
integration before returning it. Similarly for the factory method of non-plugin
shells.

Change-Id: I85e60594c4fc03c6f302c04316110aed428d28dc
Reviewed-by: Paul Olav Tvete <paul.tvete@qt.io>

src/plugins/platforms/wayland/client.pro

@@ -28,7 +28,6 @@ WAYLANDCLIENTSOURCES += \
             ../extensions/qtkey-extension.xml \
             ../extensions/qt-windowmanager.xml \
             ../3rdparty/protocol/text-input-unstable-v2.xml \
-            ../3rdparty/protocol/xdg-shell.xml \
             ../3rdparty/protocol/xdg-shell-unstable-v6.xml \
 
 WAYLANDCLIENTSOURCES_SYSTEM += \
@@ -45,10 +44,6 @@ SOURCES +=  qwaylandintegration.cpp \
             qwaylandshellsurface.cpp \
             qwaylandwlshellsurface.cpp \
             qwaylandwlshellintegration.cpp \
-            qwaylandxdgshell.cpp \
-            qwaylandxdgsurface.cpp \
-            qwaylandxdgpopup.cpp \
-            qwaylandxdgshellintegration.cpp \
             qwaylandxdgshellv6.cpp \
             qwaylandxdgshellv6integration.cpp \
             qwaylandextendedsurface.cpp \
@@ -78,10 +73,6 @@ HEADERS +=  qwaylandintegration_p.h \
             qwaylandshellsurface_p.h \
             qwaylandwlshellsurface_p.h \
             qwaylandwlshellintegration_p.h \
-            qwaylandxdgshell_p.h \
-            qwaylandxdgsurface_p.h \
-            qwaylandxdgpopup_p.h \
-            qwaylandxdgshellintegration_p.h \
             qwaylandxdgshellv6_p.h \
             qwaylandxdgshellv6integration_p.h \
             qwaylandextendedsurface_p.h \

src/plugins/platforms/wayland/plugins/shellintegration/shellintegration.pro

@@ -1,3 +1,5 @@
 TEMPLATE = subdirs
 
-SUBDIRS += ivi-shell
+SUBDIRS += \
+    ivi-shell \
+    xdg-shell-v5

src/plugins/platforms/wayland/plugins/shellintegration/xdg-shell-v5/main.cpp

@@ -0,0 +1,70 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Copyright (C) 2017 ITAGE Corporation, author: <yusuke.binsaki@itage.co.jp>
+** 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 "qwaylandxdgshellintegration_p.h"
+
+#include <QtWaylandClient/private/qwaylandshellintegrationplugin_p.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace QtWaylandClient {
+
+class QWaylandXdgShellV5IntegrationPlugin : public QWaylandShellIntegrationPlugin
+{
+    Q_OBJECT
+    Q_PLUGIN_METADATA(IID QWaylandShellIntegrationFactoryInterface_iid FILE "xdg-shell-v5.json")
+
+public:
+    QWaylandShellIntegration *create(const QString &key, const QStringList &paramList) override;
+};
+
+QWaylandShellIntegration *QWaylandXdgShellV5IntegrationPlugin::create(const QString &key, const QStringList &paramList)
+{
+    qDebug() << Q_FUNC_INFO;
+    Q_UNUSED(key);
+    Q_UNUSED(paramList);
+    return new QWaylandXdgShellIntegration();
+}
+
+}
+
+QT_END_NAMESPACE
+
+#include "main.moc"

src/plugins/platforms/wayland/plugins/shellintegration/xdg-shell-v5/qwaylandxdgpopup.cpp

@@ -39,9 +39,9 @@
 
 #include "qwaylandxdgpopup_p.h"
 
-#include "qwaylandwindow_p.h"
-#include "qwaylanddisplay_p.h"
-#include "qwaylandextendedsurface_p.h"
+#include <QtWaylandClient/private/qwaylanddisplay_p.h>
+#include <QtWaylandClient/private/qwaylandwindow_p.h>
+#include <QtWaylandClient/private/qwaylandextendedsurface_p.h>
 
 QT_BEGIN_NAMESPACE
 

src/plugins/platforms/wayland/plugins/shellintegration/xdg-shell-v5/qwaylandxdgpopup_p.h

@@ -51,10 +51,11 @@
 // We mean it.
 //
 
+#include "qwayland-xdg-shell.h"
+
 #include <wayland-client.h>
 
 #include <QtWaylandClient/qtwaylandclientglobal.h>
-#include <QtWaylandClient/private/qwayland-xdg-shell.h>
 #include <QtWaylandClient/private/qwaylandshellsurface_p.h>
 
 QT_BEGIN_NAMESPACE

src/plugins/platforms/wayland/plugins/shellintegration/xdg-shell-v5/qwaylandxdgshell.cpp

@@ -38,16 +38,16 @@
 ****************************************************************************/
 
 #include "qwaylandxdgshell_p.h"
-
-#include "qwaylanddisplay_p.h"
-#include "qwaylandwindow_p.h"
-#include "qwaylandinputdevice_p.h"
-#include "qwaylandscreen_p.h"
 #include "qwaylandxdgpopup_p.h"
 #include "qwaylandxdgsurface_p.h"
 
 #include <QtCore/QDebug>
 
+#include <QtWaylandClient/private/qwaylanddisplay_p.h>
+#include <QtWaylandClient/private/qwaylandwindow_p.h>
+#include <QtWaylandClient/private/qwaylandinputdevice_p.h>
+#include <QtWaylandClient/private/qwaylandscreen_p.h>
+
 QT_BEGIN_NAMESPACE
 
 namespace QtWaylandClient {

src/plugins/platforms/wayland/plugins/shellintegration/xdg-shell-v5/qwaylandxdgshell_p.h

@@ -51,12 +51,13 @@
 // We mean it.
 //
 
+#include "qwayland-xdg-shell.h"
+
 #include <QtCore/QSize>
 #include <QtCore/QVector>
 
 #include <wayland-client.h>
 
-#include <QtWaylandClient/private/qwayland-xdg-shell.h>
 #include <QtWaylandClient/qtwaylandclientglobal.h>
 #include <QtWaylandClient/private/qwaylandshellsurface_p.h>
 

src/plugins/platforms/wayland/plugins/shellintegration/xdg-shell-v5/qwaylandxdgshellintegration.cpp

@@ -38,38 +38,32 @@
 ****************************************************************************/
 
 #include "qwaylandxdgshellintegration_p.h"
+#include "qwaylandxdgsurface_p.h"
+#include "qwaylandxdgpopup_p.h"
+#include "qwaylandxdgshell_p.h"
 
 #include <QtWaylandClient/private/qwaylandwindow_p.h>
 #include <QtWaylandClient/private/qwaylanddisplay_p.h>
-#include <QtWaylandClient/private/qwaylandxdgsurface_p.h>
-#include <QtWaylandClient/private/qwaylandxdgpopup_p.h>
-#include <QtWaylandClient/private/qwaylandxdgshell_p.h>
 
 QT_BEGIN_NAMESPACE
 
 namespace QtWaylandClient {
 
-QWaylandXdgShellIntegration *QWaylandXdgShellIntegration::create(QWaylandDisplay *display)
-{
-    if (display->hasRegistryGlobal(QLatin1String("xdg_shell")))
-        return new QWaylandXdgShellIntegration(display);
-    return nullptr;
-}
-
-QWaylandXdgShellIntegration::QWaylandXdgShellIntegration(QWaylandDisplay *display)
+bool QWaylandXdgShellIntegration::initialize(QWaylandDisplay *display)
 {
     Q_FOREACH (QWaylandDisplay::RegistryGlobal global, display->globals()) {
         if (global.interface == QLatin1String("xdg_shell")) {
-            m_xdgShell = new QWaylandXdgShell(display->wl_registry(), global.id);
+            m_xdgShell.reset(new QWaylandXdgShell(display->wl_registry(), global.id));
             break;
         }
     }
-}
 
-bool QWaylandXdgShellIntegration::initialize(QWaylandDisplay *display)
-{
-    QWaylandShellIntegration::initialize(display);
-    return m_xdgShell != nullptr;
+    if (!m_xdgShell) {
+        qWarning() << "Couldn't find global xdg_shell for xdg-shell unstable v5";
+        return false;
+    }
+
+    return QWaylandShellIntegration::initialize(display);
 }
 
 QWaylandShellSurface *QWaylandXdgShellIntegration::createShellSurface(QWaylandWindow *window)

src/plugins/platforms/wayland/plugins/shellintegration/xdg-shell-v5/qwaylandxdgshellintegration_p.h

@@ -51,7 +51,7 @@
 // We mean it.
 //
 
-#include <wayland-client.h>
+#include "qwaylandxdgshell_p.h"
 
 #include <QtWaylandClient/private/qwaylandshellintegration_p.h>
 
@@ -64,15 +64,13 @@ class QWaylandXdgShell;
 class Q_WAYLAND_CLIENT_EXPORT QWaylandXdgShellIntegration : public QWaylandShellIntegration
 {
 public:
-    static QWaylandXdgShellIntegration *create(QWaylandDisplay* display);
+    QWaylandXdgShellIntegration() {qDebug() << Q_FUNC_INFO;}
     bool initialize(QWaylandDisplay *display) override;
     QWaylandShellSurface *createShellSurface(QWaylandWindow *window) override;
     void handleKeyboardFocusChanged(QWaylandWindow *newFocus, QWaylandWindow *oldFocus) override;
 
 private:
-    QWaylandXdgShellIntegration(QWaylandDisplay *display);
-
-    QWaylandXdgShell *m_xdgShell = nullptr;
+    QScopedPointer<QWaylandXdgShell> m_xdgShell;
 };
 
 }

src/plugins/platforms/wayland/plugins/shellintegration/xdg-shell-v5/qwaylandxdgsurface.cpp

@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2016 The Qt Company Ltd.
+** Copyright (C) 2018 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the config.tests of the Qt Toolkit.
@@ -38,15 +38,15 @@
 ****************************************************************************/
 
 #include "qwaylandxdgsurface_p.h"
-
-#include "qwaylanddisplay_p.h"
-#include "qwaylandwindow_p.h"
-#include "qwaylandinputdevice_p.h"
-#include "qwaylandabstractdecoration_p.h"
-#include "qwaylandscreen_p.h"
-#include "qwaylandextendedsurface_p.h"
 #include "qwaylandxdgshell_p.h"
 
+#include <QtWaylandClient/private/qwaylanddisplay_p.h>
+#include <QtWaylandClient/private/qwaylanddisplay_p.h>
+#include <QtWaylandClient/private/qwaylandwindow_p.h>
+#include <QtWaylandClient/private/qwaylandinputdevice_p.h>
+#include <QtWaylandClient/private/qwaylandabstractdecoration_p.h>
+#include <QtWaylandClient/private/qwaylandscreen_p.h>
+#include <QtWaylandClient/private/qwaylandextendedsurface_p.h>
 
 QT_BEGIN_NAMESPACE
 

src/plugins/platforms/wayland/plugins/shellintegration/xdg-shell-v5/qwaylandxdgsurface_p.h

@@ -51,15 +51,16 @@
 // We mean it.
 //
 
+#include "qwayland-xdg-shell.h"
+
+#include <QtWaylandClient/qtwaylandclientglobal.h>
+#include <QtWaylandClient/private/qwaylandshellsurface_p.h>
+
 #include <QtCore/QSize>
 #include <QtCore/QMargins>
 
 #include <wayland-client.h>
 
-#include <QtWaylandClient/qtwaylandclientglobal.h>
-#include <QtWaylandClient/private/qwayland-xdg-shell.h>
-#include <QtWaylandClient/private/qwaylandshellsurface_p.h>
-
 QT_BEGIN_NAMESPACE
 
 class QWindow;

src/plugins/platforms/wayland/plugins/shellintegration/xdg-shell-v5/xdg-shell-v5.json

@@ -0,0 +1,3 @@
+{
+    "Keys":[ "xdg-shell-v5" ]
+}

src/plugins/platforms/wayland/plugins/shellintegration/xdg-shell-v5/xdg-shell-v5.pro

@@ -0,0 +1,30 @@
+QT += gui-private waylandclient-private
+CONFIG += wayland-scanner
+
+QMAKE_USE += wayland-client
+
+qtConfig(xkbcommon-evdev): \
+    QMAKE_USE += xkbcommon_evdev
+
+WAYLANDCLIENTSOURCES += \
+    ../../../3rdparty/protocol/xdg-shell.xml
+
+HEADERS += \
+    qwaylandxdgpopup_p.h \
+    qwaylandxdgshell_p.h \
+    qwaylandxdgshellintegration_p.h \
+    qwaylandxdgsurface_p.h \
+
+SOURCES += \
+    main.cpp \
+    qwaylandxdgpopup.cpp \
+    qwaylandxdgshell.cpp \
+    qwaylandxdgshellintegration.cpp \
+    qwaylandxdgsurface.cpp \
+
+OTHER_FILES += \
+    xdg-shell-v5.json
+
+PLUGIN_TYPE = wayland-shell-integration
+PLUGIN_CLASS_NAME = QWaylandXdgShellV5IntegrationPlugin
+load(qt_plugin)

src/plugins/platforms/wayland/qwaylanddisplay.cpp

@@ -51,8 +51,6 @@
 #include "qwaylanddatadevicemanager_p.h"
 #endif
 #include "qwaylandhardwareintegration_p.h"
-#include "qwaylandxdgshell_p.h"
-#include "qwaylandxdgsurface_p.h"
 #include "qwaylandwlshellsurface_p.h"
 #include "qwaylandinputcontext_p.h"
 
@@ -66,7 +64,6 @@
 #include "qwaylandqtkey_p.h"
 
 #include <QtWaylandClient/private/qwayland-text-input-unstable-v2.h>
-#include <QtWaylandClient/private/qwayland-xdg-shell.h>
 
 #include <QtCore/QAbstractEventDispatcher>
 #include <QtGui/private/qguiapplication_p.h>

src/plugins/platforms/wayland/qwaylanddisplay_p.h

@@ -63,7 +63,6 @@
 
 #include <QtWaylandClient/private/qwayland-wayland.h>
 #include <QtWaylandClient/private/qtwaylandclientglobal_p.h>
-#include <QtWaylandClient/private/qwayland-xdg-shell.h>
 #include <QtWaylandClient/private/qwaylandshm_p.h>
 
 struct wl_cursor_image;

src/plugins/platforms/wayland/qwaylandintegration.cpp

@@ -77,7 +77,6 @@
 
 #include "qwaylandshellintegration_p.h"
 #include "qwaylandshellintegrationfactory_p.h"
-#include "qwaylandxdgshellintegration_p.h"
 #include "qwaylandwlshellintegration_p.h"
 #include "qwaylandxdgshellv6integration_p.h"
 
@@ -409,9 +408,9 @@ void QWaylandIntegration::initializeShellIntegration()
         }
     }
 
-    if (!mShellIntegration || !mShellIntegration->initialize(mDisplay.data())) {
-        mShellIntegration.reset();
-        qWarning("Failed to load shell integration %s", qPrintable(targetKey));
+    if (!mShellIntegration) {
+        qCWarning(lcQpaWayland) << "Loading shell integration failed.";
+        qCWarning(lcQpaWayland) << "Attempted to load the following shells" << preferredShells;
     }
 }
 
@@ -445,13 +444,12 @@ QWaylandShellIntegration *QWaylandIntegration::createShellIntegration(const QStr
 {
     if (integrationName == QLatin1Literal("wl-shell")) {
         return QWaylandWlShellIntegration::create(mDisplay.data());
-    } else if (integrationName == QLatin1Literal("xdg-shell-v5")) {
-        return QWaylandXdgShellIntegration::create(mDisplay.data());
     } else if (integrationName == QLatin1Literal("xdg-shell-v6")) {
         return QWaylandXdgShellV6Integration::create(mDisplay.data());
     } else if (QWaylandShellIntegrationFactory::keys().contains(integrationName)) {
-        return QWaylandShellIntegrationFactory::create(integrationName, QStringList());
+        return QWaylandShellIntegrationFactory::create(integrationName, mDisplay.data());
     } else {
+        qCWarning(lcQpaWayland) << "No shell integration named" << integrationName << "found";
         return nullptr;
     }
 }

src/plugins/platforms/wayland/qwaylandwindow.cpp

@@ -45,7 +45,6 @@
 #include "qwaylandscreen_p.h"
 #include "qwaylandshellsurface_p.h"
 #include "qwaylandwlshellsurface_p.h"
-#include "qwaylandxdgsurface_p.h"
 #include "qwaylandsubsurface_p.h"
 #include "qwaylandabstractdecoration_p.h"
 #include "qwaylandwindowmanagerintegration_p.h"

src/plugins/platforms/wayland/qwaylandwlshellintegration.cpp

@@ -49,9 +49,15 @@ namespace QtWaylandClient {
 
 QWaylandWlShellIntegration *QWaylandWlShellIntegration::create(QWaylandDisplay *display)
 {
-    if (display->hasRegistryGlobal(QLatin1String("wl_shell")))
-        return new QWaylandWlShellIntegration(display);
-    return nullptr;
+    if (!display->hasRegistryGlobal(QLatin1String("wl_shell")))
+        return nullptr;
+
+    QScopedPointer<QWaylandWlShellIntegration> integration;
+    integration.reset(new QWaylandWlShellIntegration(display));
+    if (integration && !integration->initialize(display))
+        return nullptr;
+
+    return integration.take();
 }
 
 QWaylandWlShellIntegration::QWaylandWlShellIntegration(QWaylandDisplay *display)

src/plugins/platforms/wayland/qwaylandxdgshellv6integration.cpp

@@ -59,9 +59,15 @@ QWaylandXdgShellV6Integration::QWaylandXdgShellV6Integration(QWaylandDisplay *di
 
 QWaylandXdgShellV6Integration *QWaylandXdgShellV6Integration::create(QWaylandDisplay *display)
 {
-    if (display->hasRegistryGlobal(QLatin1String("zxdg_shell_v6")))
-        return new QWaylandXdgShellV6Integration(display);
-    return nullptr;
+    if (!display->hasRegistryGlobal(QLatin1String("zxdg_shell_v6")))
+        return nullptr;
+
+    QScopedPointer<QWaylandXdgShellV6Integration> integration;
+    integration.reset(new QWaylandXdgShellV6Integration(display));
+    if (integration && !integration->initialize(display))
+        return nullptr;
+
+    return integration.take();
 }
 
 bool QWaylandXdgShellV6Integration::initialize(QWaylandDisplay *display)

src/plugins/platforms/wayland/shellintegration/qwaylandshellintegrationfactory.cpp

@@ -78,19 +78,24 @@ QStringList QWaylandShellIntegrationFactory::keys(const QString &pluginPath)
 #endif
 }
 
-QWaylandShellIntegration *QWaylandShellIntegrationFactory::create(const QString &name, const QStringList &args, const QString &pluginPath)
+QWaylandShellIntegration *QWaylandShellIntegrationFactory::create(const QString &name, QWaylandDisplay *display, const QStringList &args, const QString &pluginPath)
 {
 #if QT_CONFIG(library)
+    QScopedPointer<QWaylandShellIntegration> integration;
+
     // Try loading the plugin from platformPluginPath first:
     if (!pluginPath.isEmpty()) {
         QCoreApplication::addLibraryPath(pluginPath);
-        if (QWaylandShellIntegration *ret = qLoadPlugin<QWaylandShellIntegration, QWaylandShellIntegrationPlugin>(directLoader(), name, args))
-            return ret;
+        integration.reset(qLoadPlugin<QWaylandShellIntegration, QWaylandShellIntegrationPlugin>(directLoader(), name, args));
     }
-    if (QWaylandShellIntegration *ret = qLoadPlugin<QWaylandShellIntegration, QWaylandShellIntegrationPlugin>(loader(), name, args))
-        return ret;
+    if (!integration)
+        integration.reset(qLoadPlugin<QWaylandShellIntegration, QWaylandShellIntegrationPlugin>(loader(), name, args));
 #endif
-    return nullptr;
+
+    if (integration && !integration->initialize(display))
+        return nullptr;
+
+    return integration.take();
 }
 
 }

src/plugins/platforms/wayland/shellintegration/qwaylandshellintegrationfactory_p.h

@@ -51,7 +51,10 @@
 // We mean it.
 //
 
+#include <QtWaylandClient/private/qwaylanddisplay_p.h>
+
 #include <QtWaylandClient/qtwaylandclientglobal.h>
+
 #include <QtCore/QStringList>
 
 QT_BEGIN_NAMESPACE
@@ -64,7 +67,7 @@ class Q_WAYLAND_CLIENT_EXPORT QWaylandShellIntegrationFactory
 {
 public:
     static QStringList keys(const QString &pluginPath = QString());
-    static QWaylandShellIntegration *create(const QString &name, const QStringList &args, const QString &pluginPath = QString());
+    static QWaylandShellIntegration *create(const QString &name, QWaylandDisplay *display, const QStringList &args = QStringList(), const QString &pluginPath = QString());
 };
 
 }