Lighthouse: Add a native interface.

Sometimes in applications code you need to get the native handles for
displays, egl displays etc. The native interface class is how you
access these handles.

Reviewed-by: paul

5 files changed, 150 insertions, 3 deletions

diff --git a/src/gui/kernel/kernel.pri b/src/gui/kernel/kernel.pri
index 0ff3d88..32fa3d3 100644
--- a/src/gui/kernel/kernel.pri
+++ b/src/gui/kernel/kernel.pri
@@ -223,7 +223,8 @@ qpa {
                 kernel/qdesktopwidget_qpa_p.h \
                 kernel/qplatformeventloopintegration_qpa.h \
                 kernel/qplatformcursor_qpa.h \
-                kernel/qplatformclipboard_qpa.h
+                kernel/qplatformclipboard_qpa.h \
+                kernel/qplatformnativeinterface_qpa.h
 
 	SOURCES += \
 		kernel/qapplication_qpa.cpp \
@@ -246,7 +247,8 @@ qpa {
                 kernel/qplatformeventloopintegration_qpa.cpp \
                 kernel/qplatformglcontext_qpa.cpp \
                 kernel/qplatformcursor_qpa.cpp \
-                kernel/qplatformclipboard_qpa.cpp
+                kernel/qplatformclipboard_qpa.cpp \
+                kernel/qplatformnativeinterface_qpa.cpp
 
         contains(QT_CONFIG, glib) {
             SOURCES += \
diff --git a/src/gui/kernel/qplatformintegration_qpa.cpp b/src/gui/kernel/qplatformintegration_qpa.cpp
index 0cac57d..9f62538 100644
--- a/src/gui/kernel/qplatformintegration_qpa.cpp
+++ b/src/gui/kernel/qplatformintegration_qpa.cpp
@@ -111,6 +111,11 @@ QPlatformClipboard *QPlatformIntegration::clipboard() const
     return clipboard;
 }
 
+QPlatformNativeInterface * QPlatformIntegration::nativeInterface() const
+{
+    return 0;
+}
+
 /*!
     \class QPlatformIntegration
     \since 4.8
diff --git a/src/gui/kernel/qplatformintegration_qpa.h b/src/gui/kernel/qplatformintegration_qpa.h
index 7050245..f01d462 100644
--- a/src/gui/kernel/qplatformintegration_qpa.h
+++ b/src/gui/kernel/qplatformintegration_qpa.h
@@ -60,6 +60,7 @@ class QWidget;
 class QPlatformEventLoopIntegration;
 class QPlatformFontDatabase;
 class QPlatformClipboard;
+class QPlatformNativeInterface;
 
 class Q_GUI_EXPORT QPlatformIntegration
 {
@@ -89,7 +90,8 @@ public:
 //jl:XXX should it be hasGLContext and do we need it at all?
     virtual bool hasOpenGL() const;
 
-
+// Access native handles. The window handle is allready available from Wid;
+    virtual QPlatformNativeInterface *nativeInterface() const;
 };
 
 QT_END_NAMESPACE
diff --git a/src/gui/kernel/qplatformnativeinterface_qpa.cpp b/src/gui/kernel/qplatformnativeinterface_qpa.cpp
new file mode 100644
index 0000000..67406cd
--- /dev/null
+++ b/src/gui/kernel/qplatformnativeinterface_qpa.cpp
@@ -0,0 +1,70 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qplatformnativeinterface_qpa.h"
+
+QT_BEGIN_NAMESPACE
+
+void * QPlatformNativeInterface::nativeDisplayForWidget(QWidget *widget)
+{
+    Q_UNUSED(widget);
+    return 0;
+}
+
+void * QPlatformNativeInterface::eglDisplayForWidget(QWidget *widget)
+{
+    Q_UNUSED(widget);
+    return 0;
+}
+
+void * QPlatformNativeInterface::nativeConnectionForWidget(QWidget *widget)
+{
+    Q_UNUSED(widget);
+    return 0;
+}
+
+void * QPlatformNativeInterface::nativeScreenForWidget(QWidget *widget)
+{
+    Q_UNUSED(widget);
+    return 0;
+}
+
+QT_END_NAMESPACE
diff --git a/src/gui/kernel/qplatformnativeinterface_qpa.h b/src/gui/kernel/qplatformnativeinterface_qpa.h
new file mode 100644
index 0000000..d576297
--- /dev/null
+++ b/src/gui/kernel/qplatformnativeinterface_qpa.h
@@ -0,0 +1,68 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QPLATFORMNATIVEINTERFACE_QPA_H
+#define QPLATFORMNATIVEINTERFACE_QPA_H
+
+#include <QtGui/qwindowdefs.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Gui)
+
+class QWidget;
+
+class Q_GUI_EXPORT QPlatformNativeInterface
+{
+public:
+    virtual void *nativeDisplayForWidget(QWidget *widget);
+    virtual void *eglDisplayForWidget(QWidget *widget);
+    virtual void *nativeConnectionForWidget(QWidget *widget);
+    virtual void *nativeScreenForWidget(QWidget *widget);
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QPLATFORMNATIVEINTERFACE_QPA_H