--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/plugins/gfxdrivers/vnc/qscreenvnc_p.h Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,524 @@
+/****************************************************************************
+**
+** 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 plugins 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 QSCREENVNC_P_H
+#define QSCREENVNC_P_H
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. It exists for the convenience
+// of the QLibrary class. This header file may change from version to version
+// without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qscreenvnc_qws.h"
+
+#ifndef QT_NO_QWS_VNC
+
+#include <QtCore/qvarlengtharray.h>
+#include <QtCore/qsharedmemory.h>
+#include <QtNetwork/qtcpsocket.h>
+#include <QtNetwork/qtcpserver.h>
+
+QT_BEGIN_NAMESPACE
+
+class QVNCServer;
+
+#ifndef QT_NO_QWS_CURSOR
+class QVNCCursor : public QProxyScreenCursor
+{
+public:
+ QVNCCursor(QVNCScreen *s);
+ ~QVNCCursor();
+
+ void hide();
+ void show();
+ void set(const QImage &image, int hotx, int hoty);
+ void move(int x, int y);
+
+private:
+ void setDirty(const QRect &r) const;
+ QVNCScreen *screen;
+};
+
+class QVNCClientCursor : public QProxyScreenCursor
+{
+public:
+ QVNCClientCursor(QVNCServer *s);
+ ~QVNCClientCursor();
+
+ void set(const QImage &image, int hotx, int hoty);
+ void write() const;
+
+private:
+ QVNCServer *server;
+};
+#endif // QT_NO_QWS_CURSOR
+
+#define MAP_TILE_SIZE 16
+#define MAP_WIDTH 1280 / MAP_TILE_SIZE
+#define MAP_HEIGHT 1024 / MAP_TILE_SIZE
+
+class QVNCDirtyMap
+{
+public:
+ QVNCDirtyMap(QScreen *screen);
+ virtual ~QVNCDirtyMap();
+
+ void reset();
+ bool dirty(int x, int y) const;
+ virtual void setDirty(int x, int y, bool force = false) = 0;
+ void setClean(int x, int y);
+
+ int bytesPerPixel;
+
+ int numDirty;
+ int mapWidth;
+ int mapHeight;
+
+protected:
+ uchar *map;
+ QScreen *screen;
+ uchar *buffer;
+ int bufferWidth;
+ int bufferHeight;
+ int bufferStride;
+ int numTiles;
+};
+
+template <class T>
+class QVNCDirtyMapOptimized : public QVNCDirtyMap
+{
+public:
+ QVNCDirtyMapOptimized(QScreen *screen) : QVNCDirtyMap(screen) {}
+ ~QVNCDirtyMapOptimized() {}
+
+ void setDirty(int x, int y, bool force = false);
+};
+
+class QRfbRect
+{
+public:
+ QRfbRect() {}
+ QRfbRect(quint16 _x, quint16 _y, quint16 _w, quint16 _h) {
+ x = _x; y = _y; w = _w; h = _h;
+ }
+
+ void read(QTcpSocket *s);
+ void write(QTcpSocket *s) const;
+
+ quint16 x;
+ quint16 y;
+ quint16 w;
+ quint16 h;
+};
+
+class QRfbPixelFormat
+{
+public:
+ static int size() { return 16; }
+
+ void read(QTcpSocket *s);
+ void write(QTcpSocket *s);
+
+ int bitsPerPixel;
+ int depth;
+ bool bigEndian;
+ bool trueColor;
+ int redBits;
+ int greenBits;
+ int blueBits;
+ int redShift;
+ int greenShift;
+ int blueShift;
+};
+
+class QRfbServerInit
+{
+public:
+ QRfbServerInit() { name = 0; }
+ ~QRfbServerInit() { delete[] name; }
+
+ int size() const { return QRfbPixelFormat::size() + 8 + strlen(name); }
+ void setName(const char *n);
+
+ void read(QTcpSocket *s);
+ void write(QTcpSocket *s);
+
+ quint16 width;
+ quint16 height;
+ QRfbPixelFormat format;
+ char *name;
+};
+
+class QRfbSetEncodings
+{
+public:
+ bool read(QTcpSocket *s);
+
+ quint16 count;
+};
+
+class QRfbFrameBufferUpdateRequest
+{
+public:
+ bool read(QTcpSocket *s);
+
+ char incremental;
+ QRfbRect rect;
+};
+
+class QRfbKeyEvent
+{
+public:
+ bool read(QTcpSocket *s);
+
+ char down;
+ int keycode;
+ int unicode;
+};
+
+class QRfbPointerEvent
+{
+public:
+ bool read(QTcpSocket *s);
+
+ uint buttons;
+ quint16 x;
+ quint16 y;
+};
+
+class QRfbClientCutText
+{
+public:
+ bool read(QTcpSocket *s);
+
+ quint32 length;
+};
+
+class QVNCScreenPrivate : public QObject
+{
+public:
+ QVNCScreenPrivate(QVNCScreen *parent);
+ ~QVNCScreenPrivate();
+
+ void setDirty(const QRect &rect, bool force = false);
+ void configure();
+
+ qreal dpiX;
+ qreal dpiY;
+ bool doOnScreenSurface;
+ QVNCDirtyMap *dirty;
+ int refreshRate;
+ QVNCServer *vncServer;
+
+#if !defined(QT_NO_QWS_MULTIPROCESS) && !defined(QT_NO_SHAREDMEMORY)
+ QSharedMemory shm;
+#endif
+
+ QVNCScreen *q_ptr;
+
+ bool noDisablePainting;
+};
+
+class QRfbEncoder
+{
+public:
+ QRfbEncoder(QVNCServer *s) : server(s) {}
+ virtual ~QRfbEncoder() {}
+
+ virtual void write() = 0;
+
+protected:
+ QVNCServer *server;
+};
+
+class QRfbRawEncoder : public QRfbEncoder
+{
+public:
+ QRfbRawEncoder(QVNCServer *s) : QRfbEncoder(s) {}
+
+ void write();
+
+private:
+ QByteArray buffer;
+};
+
+template <class SRC> class QRfbHextileEncoder;
+
+template <class SRC>
+class QRfbSingleColorHextile
+{
+public:
+ QRfbSingleColorHextile(QRfbHextileEncoder<SRC> *e) : encoder(e) {}
+ bool read(const uchar *data, int width, int height, int stride);
+ void write(QTcpSocket *socket) const;
+
+private:
+ QRfbHextileEncoder<SRC> *encoder;
+};
+
+template <class SRC>
+class QRfbDualColorHextile
+{
+public:
+ QRfbDualColorHextile(QRfbHextileEncoder<SRC> *e) : encoder(e) {}
+ bool read(const uchar *data, int width, int height, int stride);
+ void write(QTcpSocket *socket) const;
+
+private:
+ struct Rect {
+ quint8 xy;
+ quint8 wh;
+ } Q_PACKED rects[8 * 16];
+
+ quint8 numRects;
+ QRfbHextileEncoder<SRC> *encoder;
+
+private:
+ inline int lastx() const { return rectx(numRects); }
+ inline int lasty() const { return recty(numRects); }
+ inline int rectx(int r) const { return rects[r].xy >> 4; }
+ inline int recty(int r) const { return rects[r].xy & 0x0f; }
+ inline int width(int r) const { return (rects[r].wh >> 4) + 1; }
+ inline int height(int r) const { return (rects[r].wh & 0x0f) + 1; }
+
+ inline void setX(int r, int x) {
+ rects[r].xy = (x << 4) | (rects[r].xy & 0x0f);
+ }
+ inline void setY(int r, int y) {
+ rects[r].xy = (rects[r].xy & 0xf0) | y;
+ }
+ inline void setWidth(int r, int width) {
+ rects[r].wh = ((width - 1) << 4) | (rects[r].wh & 0x0f);
+ }
+ inline void setHeight(int r, int height) {
+ rects[r].wh = (rects[r].wh & 0xf0) | (height - 1);
+ }
+
+ inline void setWidth(int width) { setWidth(numRects, width); }
+ inline void setHeight(int height) { setHeight(numRects, height); }
+ inline void setX(int x) { setX(numRects, x); }
+ inline void setY(int y) { setY(numRects, y); }
+ void next();
+};
+
+template <class SRC>
+class QRfbMultiColorHextile
+{
+public:
+ QRfbMultiColorHextile(QRfbHextileEncoder<SRC> *e) : encoder(e) {}
+ bool read(const uchar *data, int width, int height, int stride);
+ void write(QTcpSocket *socket) const;
+
+private:
+ inline quint8* rect(int r) {
+ return rects.data() + r * (bpp + 2);
+ }
+ inline const quint8* rect(int r) const {
+ return rects.constData() + r * (bpp + 2);
+ }
+ inline void setX(int r, int x) {
+ quint8 *ptr = rect(r) + bpp;
+ *ptr = (x << 4) | (*ptr & 0x0f);
+ }
+ inline void setY(int r, int y) {
+ quint8 *ptr = rect(r) + bpp;
+ *ptr = (*ptr & 0xf0) | y;
+ }
+ void setColor(SRC color);
+ inline int rectx(int r) const {
+ const quint8 *ptr = rect(r) + bpp;
+ return *ptr >> 4;
+ }
+ inline int recty(int r) const {
+ const quint8 *ptr = rect(r) + bpp;
+ return *ptr & 0x0f;
+ }
+ inline void setWidth(int r, int width) {
+ quint8 *ptr = rect(r) + bpp + 1;
+ *ptr = ((width - 1) << 4) | (*ptr & 0x0f);
+ }
+ inline void setHeight(int r, int height) {
+ quint8 *ptr = rect(r) + bpp + 1;
+ *ptr = (*ptr & 0xf0) | (height - 1);
+ }
+
+ bool beginRect();
+ void endRect();
+
+ static const int maxRectsSize = 16 * 16;
+ QVarLengthArray<quint8, maxRectsSize> rects;
+
+ quint8 bpp;
+ quint8 numRects;
+ QRfbHextileEncoder<SRC> *encoder;
+};
+
+template <class SRC>
+class QRfbHextileEncoder : public QRfbEncoder
+{
+public:
+ QRfbHextileEncoder(QVNCServer *s);
+ void write();
+
+private:
+ enum SubEncoding {
+ Raw = 1,
+ BackgroundSpecified = 2,
+ ForegroundSpecified = 4,
+ AnySubrects = 8,
+ SubrectsColoured = 16
+ };
+
+ QByteArray buffer;
+ QRfbSingleColorHextile<SRC> singleColorHextile;
+ QRfbDualColorHextile<SRC> dualColorHextile;
+ QRfbMultiColorHextile<SRC> multiColorHextile;
+
+ SRC bg;
+ SRC fg;
+ bool newBg;
+ bool newFg;
+
+ friend class QRfbSingleColorHextile<SRC>;
+ friend class QRfbDualColorHextile<SRC>;
+ friend class QRfbMultiColorHextile<SRC>;
+};
+
+class QVNCServer : public QObject
+{
+ Q_OBJECT
+public:
+ QVNCServer(QVNCScreen *screen);
+ QVNCServer(QVNCScreen *screen, int id);
+ ~QVNCServer();
+
+ void setDirty();
+ void setDirtyCursor() { dirtyCursor = true; setDirty(); }
+ inline bool isConnected() const { return state == Connected; }
+ inline void setRefreshRate(int rate) { refreshRate = rate; }
+
+ enum ClientMsg { SetPixelFormat = 0,
+ FixColourMapEntries = 1,
+ SetEncodings = 2,
+ FramebufferUpdateRequest = 3,
+ KeyEvent = 4,
+ PointerEvent = 5,
+ ClientCutText = 6 };
+
+ enum ServerMsg { FramebufferUpdate = 0,
+ SetColourMapEntries = 1 };
+
+ void convertPixels(char *dst, const char *src, int count) const;
+
+ inline int clientBytesPerPixel() const {
+ return pixelFormat.bitsPerPixel / 8;
+ }
+
+ inline QVNCScreen* screen() const { return qvnc_screen; }
+ inline QVNCDirtyMap* dirtyMap() const { return qvnc_screen->d_ptr->dirty; }
+ inline QTcpSocket* clientSocket() const { return client; }
+ QImage screenImage() const;
+ inline bool doPixelConversion() const { return needConversion; }
+#ifndef QT_NO_QWS_CURSOR
+ inline bool hasClientCursor() const { return qvnc_cursor != 0; }
+#endif
+
+private:
+ void setPixelFormat();
+ void setEncodings();
+ void frameBufferUpdateRequest();
+ void pointerEvent();
+ void keyEvent();
+ void clientCutText();
+ bool pixelConversionNeeded() const;
+
+private slots:
+ void newConnection();
+ void readClient();
+ void checkUpdate();
+ void discardClient();
+
+private:
+ void init(uint port);
+ enum ClientState { Unconnected, Protocol, Init, Connected };
+ QTimer *timer;
+ QTcpServer *serverSocket;
+ QTcpSocket *client;
+ ClientState state;
+ quint8 msgType;
+ bool handleMsg;
+ QRfbPixelFormat pixelFormat;
+ Qt::KeyboardModifiers keymod;
+ int encodingsPending;
+ int cutTextPending;
+ uint supportCopyRect : 1;
+ uint supportRRE : 1;
+ uint supportCoRRE : 1;
+ uint supportHextile : 1;
+ uint supportZRLE : 1;
+ uint supportCursor : 1;
+ uint supportDesktopSize : 1;
+ bool wantUpdate;
+ bool sameEndian;
+ bool needConversion;
+#if Q_BYTE_ORDER == Q_BIG_ENDIAN
+ bool swapBytes;
+#endif
+ bool dirtyCursor;
+ int refreshRate;
+ QVNCScreen *qvnc_screen;
+#ifndef QT_NO_QWS_CURSOR
+ QVNCClientCursor *qvnc_cursor;
+#endif
+
+ QRfbEncoder *encoder;
+};
+
+
+QT_END_NAMESPACE
+#endif // QT_NO_QWS_VNC
+#endif // QSCREENVNC_P_H