krdc/vnc/vncviewer.h

   1 #ifndef VNCVIEWER_H
   2 #define VNCVIEWER_H
   3 /*
   4  *  Copyright (C) 2000, 2001 Const Kaplinsky.  All Rights Reserved.
   5  *  Copyright (C) 2000 Tridia Corporation.  All Rights Reserved.
   6  *  Copyright (C) 1999 AT&T Laboratories Cambridge.  All Rights Reserved.
   7  *
   8  *  This is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This software is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this software; if not, write to the Free Software
  20  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
  21  *  USA.
  22  */
  23
  24 /*
  25  * vncviewer.h
  26  */
  27
  28 #include <stdio.h>
  29 #include <stdlib.h>
  30 #include <string.h>
  31 #include <sys/time.h>
  32 #include <unistd.h>
  33 #include <X11/IntrinsicP.h>
  34 #include <X11/StringDefs.h>
  35 #include <X11/Shell.h>
  36 #include <X11/keysym.h>
  37 #include <X11/Xatom.h>
  38 #include <X11/Xmu/StdSel.h>
  39 #include "vnctypes.h"
  40
  41 #if(defined __cplusplus)
  42 extern "C"
  43 {
  44 #endif
  45
  46 #include "rfbproto.h"
  47
  48 extern int endianTest;
  49
  50 #define Swap16IfLE(s) \
  51     (*(char *)&endianTest ? ((((s) & 0xff) << 8) | (((s) >> 8) & 0xff)) : (s))
  52
  53 #define Swap32IfLE(l) \
  54     (*(char *)&endianTest ? ((((l) & 0xff000000) >> 24) | \
  55                              (((l) & 0x00ff0000) >> 8)  | \
  56                              (((l) & 0x0000ff00) << 8)  | \
  57                              (((l) & 0x000000ff) << 24))  : (l))
  58
  59 #define MAX_ENCODINGS 20
  60
  61
  62 /** kvncview.cpp **/
  63
  64 extern AppData appData;
  65
  66 extern Display* dpy;
  67 extern const char *vncServerHost;
  68 extern int vncServerPort;
  69
  70 extern int isQuitFlagSet();
  71 extern int getPassword(char *passwd, int pwlen);
  72 extern void DrawScreenRegion(int x, int y, int width, int height);
  73 extern void DrawAnyScreenRegionX11Thread(int x, int y, int width, int height);
  74 extern void LockFramebuffer();
  75 extern void UnlockFramebuffer();
  76 extern void EnableClientCursor(int state);
  77 extern void beep();
  78 extern void newServerCut(char *bytes, int len);
  79 extern void postMouseEvent(int x, int y, int buttonMask);
  80
  81 /** threads.cpp **/
  82
  83 extern void queueIncrementalUpdateRequest();
  84 extern void announceIncrementalUpdateRequest();
  85
  86 /* colour.c */
  87
  88 extern unsigned long BGR233ToPixel[];
  89
  90 extern Colormap cmap;
  91 extern Visual *vis;
  92 extern unsigned int visdepth, visbpp;
  93
  94 extern void SetVisualAndCmap(void);
  95
  96 /* desktop.c */
  97
  98 extern Widget form, viewport, desktop;
  99 extern GC gc;
 100 extern GC srcGC, dstGC;
 101 extern Dimension dpyWidth, dpyHeight;
 102
 103 extern void DesktopInit(Window win);
 104 extern void ToplevelInit(void);
 105 extern void SendRFBEvent(XEvent *event, String *params, Cardinal *num_params);
 106 extern void CopyDataToScreen(char *buf, int x, int y, int width, int height);
 107 extern void CopyDataFromScreen(char *buf, int x, int y, int width, int height);
 108 extern void FillRectangle8(CARD8, int x, int y, int width, int height);
 109 extern void FillRectangle16(CARD16, int x, int y, int width, int height);
 110 extern void FillRectangle32(CARD32, int x, int y, int width, int height);
 111 extern void CopyArea(int srcX, int srcY, int width, int height, int x, int y);
 112 extern void SyncScreenRegion(int x, int y, int width, int height);
 113 extern void SyncScreenRegionX11Thread(int x, int y, int width, int height);
 114 extern void drawCursor(void);
 115 extern void DrawCursorX11Thread(int x, int y);
 116 extern void undrawCursor(void);
 117 extern void getBoundingRectCursor(int cx, int cy, int _imageIndex,
 118                                   int *x, int *y, int *w, int *h);
 119 extern int rectsIntersect(int x, int y, int w, int h,
 120                           int x2, int y2, int w2, int h2);
 121 extern int rectContains(int outX, int outY, int outW, int outH,
 122                         int inX, int inY, int inW, int inH);
 123 extern void rectsJoin(int *nx1, int *ny1, int *nw1, int *nh1,
 124                       int x2, int y2, int w2, int h2);
 125 extern void DrawZoomedScreenRegionX11Thread(Window win, int zwidth,
 126                                             int zheight,
 127                                             int x, int y,
 128                                             int width, int height);
 129 extern void DrawScreenRegionX11Thread(Window win, int x, int y,
 130                                       int width, int height);
 131 extern void Cleanup(void);
 132 extern XImage *CreateShmZoomImage(void);
 133 extern XImage *CreateShmImage(void);
 134 extern void ShmCleanup(void);
 135 extern void freeDesktopResources(void);
 136
 137 /* rfbproto.c */
 138
 139 extern int rfbsock;
 140 extern Bool canUseCoRRE;
 141 extern Bool canUseHextile;
 142 extern char *desktopName;
 143 extern rfbPixelFormat myFormat;
 144 extern rfbServerInitMsg si;
 145
 146 extern int cursorX, cursorY;
 147 extern int imageIndex;
 148 typedef struct {
 149   int set;
 150   int w, h;
 151   int hotX, hotY;
 152   int len;
 153   char *image;
 154 } PointerImage;
 155 extern PointerImage pointerImages[];
 156
 157 extern int ConnectToRFBServer(const char *hostname, int port);
 158 extern enum InitStatus InitialiseRFBConnection(void);
 159 extern Bool SetFormatAndEncodings(void);
 160 extern Bool SendIncrementalFramebufferUpdateRequest(void);
 161 extern Bool SendFramebufferUpdateRequest(int x, int y, int w, int h,
 162                                          Bool incremental);
 163 extern Bool SendPointerEvent(int x, int y, int buttonMask);
 164 extern Bool SendKeyEvent(CARD32 key, Bool down);
 165 extern Bool SendClientCutText(const char *str, int len);
 166 extern Bool HandleRFBServerMessage(void);
 167
 168 extern void PrintPixelFormat(rfbPixelFormat *format);
 169 extern void freeRFBProtoResources(void);
 170 extern void freeResources(void);
 171
 172 /* sockets.c */
 173
 174 extern Bool errorMessageOnReadFailure;
 175
 176 extern Bool ReadFromRFBServer(char *out, unsigned int n);
 177 extern Bool WriteExact(int sock, const char *buf, int n);
 178 extern int ConnectToTcpAddr(unsigned int host, int port);
 179
 180 extern int StringToIPAddr(const char *str, unsigned int *addr);
 181 extern void freeSocketsResources(void);
 182
 183 #if(defined __cplusplus)
 184 }
 185 #endif
 186 #endif