Initial support for WS specific clipboard support in Lighthouse

default implementation in QPlatformIntegration still supports in process
copy/paste

7 files changed, 209 insertions, 74 deletions

diff --git a/src/gui/kernel/kernel.pri b/src/gui/kernel/kernel.pri
index 4261e93..0ff3d88 100644
--- a/src/gui/kernel/kernel.pri
+++ b/src/gui/kernel/kernel.pri
@@ -222,7 +222,8 @@ qpa {
                 kernel/qplatformglcontext_qpa.h \
                 kernel/qdesktopwidget_qpa_p.h \
                 kernel/qplatformeventloopintegration_qpa.h \
-                kernel/qplatformcursor_qpa.h
+                kernel/qplatformcursor_qpa.h \
+                kernel/qplatformclipboard_qpa.h
 
 	SOURCES += \
 		kernel/qapplication_qpa.cpp \
@@ -244,7 +245,8 @@ qpa {
                 kernel/qplatformwindowformat_qpa.cpp \
                 kernel/qplatformeventloopintegration_qpa.cpp \
                 kernel/qplatformglcontext_qpa.cpp \
-                kernel/qplatformcursor_qpa.cpp
+                kernel/qplatformcursor_qpa.cpp \
+                kernel/qplatformclipboard_qpa.cpp
 
         contains(QT_CONFIG, glib) {
             SOURCES += \
diff --git a/src/gui/kernel/qclipboard_qpa.cpp b/src/gui/kernel/qclipboard_qpa.cpp
index 92b9e83..b8ce60e 100644
--- a/src/gui/kernel/qclipboard_qpa.cpp
+++ b/src/gui/kernel/qclipboard_qpa.cpp
@@ -44,73 +44,16 @@
 #ifndef QT_NO_CLIPBOARD
 
 #include "qmimedata.h"
-#include "qapplication.h"
+#include "private/qapplication_p.h"
+#include "qplatformclipboard_qpa.h"
 
 QT_BEGIN_NAMESPACE
 
 QT_USE_NAMESPACE
 
-
-class QClipboardData
-{
-public:
-    QClipboardData();
-   ~QClipboardData();
-
-    void setSource(QMimeData* s)
-    {
-        if (s == src)
-            return;
-        delete src;
-        src = s;
-    }
-    QMimeData* source()
-        { return src; }
-
-    void clear();
-
-private:
-    QMimeData* src;
-};
-
-QClipboardData::QClipboardData()
-{
-    src = 0;
-}
-
-QClipboardData::~QClipboardData()
-{
-    delete src;
-}
-
-void QClipboardData::clear()
-{
-    delete src;
-    src = 0;
-}
-
-
-static QClipboardData *internalCbData = 0;
-
-static void cleanupClipboardData()
-{
-    delete internalCbData;
-    internalCbData = 0;
-}
-
-static QClipboardData *clipboardData()
-{
-    if (internalCbData == 0) {
-        internalCbData = new QClipboardData;
-        qAddPostRoutine(cleanupClipboardData);
-    }
-    return internalCbData;
-}
-
-
 void QClipboard::clear(Mode mode)
 {
-    setText(QString(), mode);
+    setMimeData(0,mode);
 }
 
 
@@ -121,26 +64,25 @@ bool QClipboard::event(QEvent *e)
 
 const QMimeData* QClipboard::mimeData(Mode mode) const
 {
-    if (mode != Clipboard) return 0;
-
-    QClipboardData *d = clipboardData();
-    return d->source();
+    QPlatformClipboard *clipboard = QApplicationPrivate::platformIntegration()->clipboard();
+    if (!clipboard->supportsMode(mode)) return 0;
+    return clipboard->mimeData(mode);
 }
 
 void QClipboard::setMimeData(QMimeData* src, Mode mode)
 {
-    if (mode != Clipboard) return;
-
-    QClipboardData *d = clipboardData();
+    QPlatformClipboard *clipboard = QApplicationPrivate::platformIntegration()->clipboard();
+    if (!clipboard->supportsMode(mode)) return;
 
-    d->setSource(src);
+    clipboard->setMimeData(src,mode);
 
-    emitChanged(QClipboard::Clipboard);
+    emitChanged(mode);
 }
 
 bool QClipboard::supportsMode(Mode mode) const
 {
-    return (mode == Clipboard);
+    QPlatformClipboard *clipboard = QApplicationPrivate::platformIntegration()->clipboard();
+    return clipboard->supportsMode(mode);
 }
 
 bool QClipboard::ownsMode(Mode mode) const
diff --git a/src/gui/kernel/qdnd_p.h b/src/gui/kernel/qdnd_p.h
index 598a9de..7b23630 100644
--- a/src/gui/kernel/qdnd_p.h
+++ b/src/gui/kernel/qdnd_p.h
@@ -76,7 +76,7 @@ class QEventLoop;
 
 #if !(defined(QT_NO_DRAGANDDROP) && defined(QT_NO_CLIPBOARD))
 
-class QInternalMimeData : public QMimeData
+class Q_GUI_EXPORT QInternalMimeData : public QMimeData
 {
     Q_OBJECT
 public:
diff --git a/src/gui/kernel/qplatformclipboard_qpa.cpp b/src/gui/kernel/qplatformclipboard_qpa.cpp
new file mode 100644
index 0000000..fff4e19
--- /dev/null
+++ b/src/gui/kernel/qplatformclipboard_qpa.cpp
@@ -0,0 +1,101 @@
+/****************************************************************************
+**
+** 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 "qplatformclipboard_qpa.h"
+
+QT_BEGIN_NAMESPACE
+
+class QClipboardData
+{
+public:
+    QClipboardData();
+   ~QClipboardData();
+
+    void setSource(QMimeData* s)
+    {
+        if (s == src)
+            return;
+        delete src;
+        src = s;
+    }
+    QMimeData* source()
+        { return src; }
+
+private:
+    QMimeData* src;
+};
+
+QClipboardData::QClipboardData()
+{
+    src = 0;
+}
+
+QClipboardData::~QClipboardData()
+{
+    delete src;
+}
+
+Q_GLOBAL_STATIC(QClipboardData,q_clipboardData);
+
+QPlatformClipboard::~QPlatformClipboard()
+{
+
+}
+
+const QMimeData *QPlatformClipboard::mimeData(QClipboard::Mode mode) const
+{
+    //we know its clipboard
+    Q_UNUSED(mode);
+    return q_clipboardData()->source();
+}
+
+void QPlatformClipboard::setMimeData(QMimeData *data, QClipboard::Mode mode)
+{
+    //we know its clipboard
+    Q_UNUSED(mode);
+    q_clipboardData()->setSource(data);
+}
+
+bool QPlatformClipboard::supportsMode(QClipboard::Mode mode) const
+{
+    return mode == QClipboard::Clipboard;
+}
+
+QT_END_NAMESPACE
diff --git a/src/gui/kernel/qplatformclipboard_qpa.h b/src/gui/kernel/qplatformclipboard_qpa.h
new file mode 100644
index 0000000..3f7bfbb
--- /dev/null
+++ b/src/gui/kernel/qplatformclipboard_qpa.h
@@ -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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QPLATFORMCLIPBOARD_QPA_H
+#define QPLATFORMCLIPBOARD_QPA_H
+
+#include <qplatformdefs.h>
+
+#include <QtGui/QClipboard>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Gui)
+
+class Q_GUI_EXPORT QPlatformClipboard
+{
+public:
+    virtual ~QPlatformClipboard();
+
+    virtual const QMimeData *mimeData(QClipboard::Mode mode = QClipboard::Clipboard ) const;
+    virtual void setMimeData(QMimeData *data, QClipboard::Mode mode = QClipboard::Clipboard);
+    virtual bool supportsMode(QClipboard::Mode mode) const;
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+
+#endif //QPLATFORMCLIPBOARD_QPA_H
diff --git a/src/gui/kernel/qplatformintegration_qpa.cpp b/src/gui/kernel/qplatformintegration_qpa.cpp
index 9b6e590..0cac57d 100644
--- a/src/gui/kernel/qplatformintegration_qpa.cpp
+++ b/src/gui/kernel/qplatformintegration_qpa.cpp
@@ -42,6 +42,7 @@
 #include "qplatformintegration_qpa.h"
 
 #include <QtGui/QPlatformFontDatabase>
+#include <QtGui/QPlatformClipboard>
 
 QT_BEGIN_NAMESPACE
 
@@ -94,6 +95,23 @@ QPlatformFontDatabase *QPlatformIntegration::fontDatabase() const
 }
 
 /*!
+    Accessor for the platform integrations clipboard.
+
+    Default implementation returns a default QPlatformClipboard.
+
+    \sa QPlatformClipboard
+
+*/
+QPlatformClipboard *QPlatformIntegration::clipboard() const
+{
+    static QPlatformClipboard *clipboard = 0;
+    if (!clipboard) {
+        clipboard = new QPlatformClipboard;
+    }
+    return clipboard;
+}
+
+/*!
     \class QPlatformIntegration
     \since 4.8
     \internal
diff --git a/src/gui/kernel/qplatformintegration_qpa.h b/src/gui/kernel/qplatformintegration_qpa.h
index f01b4f4..7050245 100644
--- a/src/gui/kernel/qplatformintegration_qpa.h
+++ b/src/gui/kernel/qplatformintegration_qpa.h
@@ -59,6 +59,7 @@ class QBlittable;
 class QWidget;
 class QPlatformEventLoopIntegration;
 class QPlatformFontDatabase;
+class QPlatformClipboard;
 
 class Q_GUI_EXPORT QPlatformIntegration
 {
@@ -76,8 +77,9 @@ public:
     virtual bool isVirtualDesktop() { return false; }
     virtual QPixmap grabWindow(WId window, int x, int y, int width, int height) const;
 
-//Fontdatabase integration.
+//Deeper window system integrations
     virtual QPlatformFontDatabase *fontDatabase() const;
+    virtual QPlatformClipboard *clipboard() const;
 
 // Experimental in mainthread eventloop integration
 // This should only be used if it is only possible to do window system event processing in