1 files changed, 134 insertions, 0 deletions
diff --git a/noncore/comm/keypebble/krfbdecoder.h b/noncore/comm/keypebble/krfbdecoder.h
new file mode 100644
index 0000000..4ba0185
--- a/dev/null
+++ b/noncore/comm/keypebble/krfbdecoder.h
@@ -0,0 +1,134 @@
+// -*- c++ -*-
+
+#ifndef KRFBDECODER_H
+#define KRFBDECODER_H
+
+#include <qobject.h>
+
+class KRFBConnection;
+class KRFBServerInfo;
+class KRFBPixelFormat;
+class KRFBBuffer;
+
+
+typedef unsigned char CARD8;
+typedef unsigned short CARD16;
+typedef unsigned long CARD32;
+
+/**
+ * Negotiates the pixel format to be used then decodes the resulting
+ * data stream.
+ *
+ * @author Richard Moore, rich@kde.org
+ */
+class KRFBDecoder : public QObject
+{
+  Q_OBJECT
+
+public:
+  friend class KRFBBuffer;
+
+  enum State {
+    AwaitingServerInit,
+    AwaitingDesktopName,
+    AwaitingUpdate,
+    AwaitingRectHeader,
+    AwaitingRawRectChunk,
+    AwaitingCopyRectPos,
+    AwaitingServerCutLength,
+    AwaitingServerCutText,
+    Idle,
+    Error
+  };
+
+  /**
+   * Create a KRFBDecoder that reads data from a logged in KRFBConnection
+   * and sends its output to a KRFBBuffer.
+   */
+  KRFBDecoder( KRFBConnection *con );
+  ~KRFBDecoder();
+
+  void setBuffer( KRFBBuffer *buf ) { this->buf = buf; };
+  void start();
+
+  int toKeySym( QKeyEvent *k );
+
+  //
+  // Client -> Server messages
+  //
+  void sendUpdateRequest( bool incremental );
+  void sendMouseEvent( QMouseEvent *e );
+  void sendKeyPressEvent( QKeyEvent *e );
+  void sendKeyReleaseEvent( QKeyEvent *e );
+  void sendCutEvent( const QString &text );
+
+protected:
+  //
+  // Initial format negotiation
+  //
+  void decidePixelFormat();
+  void sendPixelFormat();
+  void sendClientInit();
+  void sendAllowedEncodings();
+
+  //
+  // Rectange processing
+  //
+  void handleRawRect();
+  void handleCopyRect();
+  void handleRRERect();
+  void handleCoRRERect();
+  void handleHexTileRect();
+
+  void getRawRectChunk( int lines );
+
+protected slots:
+  void gotServerInit();
+  void gotDesktopName();
+  void gotUpdateHeader();
+  void gotRectHeader();
+  void gotRawRectChunk();
+  void gotCopyRectPos();
+  void gotServerCut();
+  void gotServerCutLength();
+  void gotServerCutText();
+  void gotBell();
+
+signals:
+  void error( const QString & );
+  void status( const QString & );
+
+private:
+  State currentState;
+
+  // Used to store the state we were in before a cut or bell msg
+  State oldState;
+
+  // The number of rects we're expecting
+  CARD16 noRects;
+
+  //
+  // Info about the current rect.
+  //
+  CARD16 x, y, w, h;
+  int lines;
+  CARD32 encoding;
+
+  CARD32 serverCutTextLen;
+
+  /** Where we draw the data (and the source of our events). */
+  KRFBBuffer *buf;
+  /** The connection to the server. */
+  KRFBConnection *con;
+
+  /** Info about the RFB server. */
+  KRFBServerInfo *info;
+  /** The pixel format we want. */
+  KRFBPixelFormat *format;
+
+  CARD8 buttonMask;
+};
+
+#endif // KRFBDECODER_H
+
+