summaryrefslogtreecommitdiffstats
path: root/src/plugins/platforms/vnc/qvnccursor.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/plugins/platforms/vnc/qvnccursor.cpp')
-rw-r--r--src/plugins/platforms/vnc/qvnccursor.cpp156
1 files changed, 156 insertions, 0 deletions
diff --git a/src/plugins/platforms/vnc/qvnccursor.cpp b/src/plugins/platforms/vnc/qvnccursor.cpp
new file mode 100644
index 0000000..e83696d
--- /dev/null
+++ b/src/plugins/platforms/vnc/qvnccursor.cpp
@@ -0,0 +1,156 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtOpenVG 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 <QPainter>
+#include <QTcpSocket>
+#include <arpa/inet.h>
+#include <QBitmap>
+#include <QApplication>
+
+#include <QDebug>
+
+#include "qvnccursor.h"
+#include "qvncserver.h"
+#include "qvncintegration.h"
+
+QT_BEGIN_NAMESPACE
+
+QVNCCursor::QVNCCursor(QVNCServer * srvr, QVNCScreen *scr )
+ :QPlatformSoftwareCursor(scr), useVncCursor(false), server(srvr)
+{
+}
+
+void QVNCCursor::changeCursor(QCursor * widgetCursor, QWidget * widget)
+{
+ QPlatformSoftwareCursor::changeCursor(widgetCursor, widget);
+ if (useVncCursor) {
+ server->setDirtyCursor();
+ } else {
+ setDirty();
+ }
+}
+
+void QVNCCursor::setCursorMode(bool vnc)
+{
+ if (vnc) {
+ setDirty();
+ server->setDirtyCursor();
+ } else {
+ server->setDirtyCursor();
+ }
+ useVncCursor = vnc;
+}
+
+QRect QVNCCursor::drawCursor(QPainter & painter)
+{
+ if (useVncCursor)
+ return QRect();
+
+ return QPlatformSoftwareCursor::drawCursor(painter);
+}
+
+void QVNCCursor::clearClientCursor()
+{
+ QTcpSocket *socket = server->clientSocket();
+ if (!socket) {
+ return;
+ }
+ // FramebufferUpdate header
+ {
+ const quint16 tmp[6] = { htons(0),
+ htons(1),
+ htons(0), htons(0),
+ htons(0),
+ htons(0) };
+ socket->write((char*)tmp, sizeof(tmp));
+
+ const quint32 encoding = htonl(-239);
+ socket->write((char*)(&encoding), sizeof(encoding));
+ }
+}
+
+void QVNCCursor::sendClientCursor()
+{
+ if (useVncCursor == false) {
+ clearClientCursor();
+ return;
+ }
+ QImage *image = graphic->image();
+ if (image->isNull())
+ return;
+ QTcpSocket *socket = server->clientSocket();
+ if (!socket) {
+ return;
+ }
+ // FramebufferUpdate header
+ {
+ const quint16 tmp[6] = { htons(0),
+ htons(1),
+ htons(graphic->hotspot().x()), htons(graphic->hotspot().y()),
+ htons(image->width()),
+ htons(image->height()) };
+ socket->write((char*)tmp, sizeof(tmp));
+
+ const quint32 encoding = htonl(-239);
+ socket->write((char*)(&encoding), sizeof(encoding));
+ }
+
+ // write pixels
+ //Q_ASSERT(cursor->hasAlphaChannel());
+ const QImage img = image->convertToFormat(QImage::Format_RGB32);
+ const int n = server->clientBytesPerPixel() * img.width();
+ char *buffer = new char[n];
+ for (int i = 0; i < img.height(); ++i) {
+ server->convertPixels(buffer, (const char*)img.scanLine(i), img.width());
+ socket->write(buffer, n);
+ }
+ delete[] buffer;
+
+ // write mask
+ const QImage bitmap = image->createAlphaMask().convertToFormat(QImage::Format_Mono);
+ Q_ASSERT(bitmap.depth() == 1);
+ Q_ASSERT(bitmap.size() == img.size());
+ const int width = (bitmap.width() + 7) / 8;
+ for (int i = 0; i < bitmap.height(); ++i)
+ socket->write((const char*)bitmap.scanLine(i), width);
+}
+
+QT_END_NAMESPACE