add rfbDrawLine, rfbDrawPixel and vncev, an xev "lookalike"

1 files changed, 119 insertions, 0 deletions

diff --git a/vncev.c b/vncev.c
new file mode 100644
index 0000000..ca3b379
--- /dev/null
+++ b/vncev.c
@@ -0,0 +1,119 @@
+/* This program is a simple server to show events coming from the client */
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/socket.h>
+#include "rfb.h"
+#include "default8x16.h"
+
+char f[640*480];
+char* keys[0x400];
+
+int hex2number(unsigned char c)
+{
+   if(c>'f') return(-1);
+   else if(c>'F')
+     return(10+c-'a');
+   else if(c>'9')
+     return(10+c-'A');
+   else
+     return(c-'0');
+}
+
+void read_keys()
+{
+   int i,j,k;
+   char buffer[1024];
+   FILE* keysyms=fopen("keysym.h","r");
+
+   memset(keys,0,0x400*sizeof(char*));
+   
+   if(!keysyms)
+     return;
+   
+   while(!feof(keysyms)) {
+      fgets(buffer,1024,keysyms);
+      if(!strncmp(buffer,"#define XK_",strlen("#define XK_"))) {
+	 for(i=strlen("#define XK_");buffer[i] && buffer[i]!=' '
+	     && buffer[i]!='\t';i++);
+	 if(buffer[i]==0) /* don't support wrapped lines */
+	   continue;
+	 buffer[i]=0;
+	 for(i++;buffer[i] && buffer[i]!='0';i++);
+	 if(buffer[i]==0 || buffer[i+1]!='x') continue;
+	 for(j=0,i+=2;(k=hex2number(buffer[i]))>=0;i++)
+	   j=j*16+k;
+	 if(keys[j&0x3ff]) {
+	    char* x=malloc(1+strlen(keys[j&0x3ff])+1+strlen(buffer+strlen("#define ")));
+	    strcpy(x,keys[j&0x3ff]);
+	    strcat(x,",");
+	    strcat(x,buffer+strlen("#define "));
+	    free(keys[j&0x3ff]);
+	    keys[j&0x3ff]=x;
+	 } else
+	   keys[j&0x3ff] = strdup(buffer+strlen("#define "));
+      }
+      
+   }
+   fclose(keysyms);
+}
+
+int lineHeight=16,lineY=480-16;
+void output(rfbScreenInfoPtr s,char* line)
+{
+   rfbDoCopyRect(s,0,0,640,480-lineHeight,0,-lineHeight);
+   rfbDrawString(s,&default8x16Font,10,lineY,line,0x01);
+   fprintf(stderr,"%s\n",line);
+}
+
+void dokey(Bool down,KeySym k,rfbClientPtr cl)
+{
+   char buffer[1024];
+   
+   sprintf(buffer,"%s: %s (0x%x)",
+	   down?"down":"up",keys[k&0x3ff]?keys[k&0x3ff]:"",k);
+   output(cl->screen,buffer);
+}
+
+void doptr(int buttonMask,int x,int y,rfbClientPtr cl)
+{
+   char buffer[1024];
+   if(buttonMask) {
+      sprintf(buffer,"Ptr: mouse button mask 0x%x at %d,%d",buttonMask,x,y);
+      output(cl->screen,buffer);
+   }
+   
+}
+
+void newclient(rfbClientPtr cl)
+{
+   char buffer[1024];
+   struct sockaddr_in addr;
+   int len=sizeof(addr),ip;
+   
+   getpeername(cl->sock,&addr,&len);
+   ip=ntohl(addr.sin_addr.s_addr);
+   sprintf(buffer,"Client connected from ip %d.%d.%d.%d",
+	   (ip>>24)&0xff,(ip>>16)&0xff,(ip>>8)&0xff,ip&0xff);
+   output(cl->screen,buffer);
+}
+
+int main(int argc,char** argv)
+{
+   rfbScreenInfoPtr s=rfbGetScreen(argc,argv,640,480,8,1,1);
+   s->colourMap.is16=FALSE;
+   s->colourMap.count=2;
+   s->colourMap.data.bytes="\xd0\xd0\xd0\x30\x01\xe0";
+   s->rfbServerFormat.trueColour=FALSE;
+   s->frameBuffer=f;
+   s->kbdAddEvent=dokey;
+   s->ptrAddEvent=doptr;
+   s->newClientHook=newclient;
+   
+   memset(f,0,640*480);
+   read_keys();
+   rfbInitServer(s);
+   
+   while(1) {
+      rfbProcessEvents(s,999999);
+   }
+}