diff options
Diffstat (limited to 'vncterm/LinuxVNC.c')
| -rw-r--r-- | vncterm/LinuxVNC.c | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/vncterm/LinuxVNC.c b/vncterm/LinuxVNC.c new file mode 100644 index 0000000..ec4eb25 --- /dev/null +++ b/vncterm/LinuxVNC.c @@ -0,0 +1,172 @@ +#include "VNConsole.h" +#include "vga.h" +#include <fcntl.h> +#include <sys/ioctl.h> + +static int tty=2; +static int tty_inject_device; + +void do_key(Bool down,KeySym keySym,rfbClientPtr cl) +{ + static char isControl=0; + + if(down) { + /* if(keySym==XK_Escape) + rfbCloseClient(cl); + else */ if(keySym==XK_Control_L || keySym==XK_Control_R) + isControl++; + else if(tty_inject_device>=0) { + if(keySym==XK_Escape) + keySym=27; + if(isControl) { + if(keySym>='a' && keySym<='z') + keySym-='a'-1; + else if(keySym>='A' && keySym<='Z') + keySym-='A'-1; + else + keySym=0xffff; + } + + if(keySym==XK_Tab) + keySym='\t'; + else if(keySym==XK_Return) + keySym='\r'; + else if(keySym==XK_BackSpace) + keySym=8; + else if(keySym==XK_Home || keySym==XK_KP_Home) + keySym=1; + else if(keySym==XK_End || keySym==XK_KP_End) + keySym=5; + else if(keySym==XK_Up || keySym==XK_KP_Up) + keySym=16; + else if(keySym==XK_Down || keySym==XK_KP_Down) + keySym=14; + else if(keySym==XK_Right || keySym==XK_KP_Right) + keySym=6; + else if(keySym==XK_Left || keySym==XK_KP_Left) + keySym=2; + + if(keySym<0x100) { + int ret; + //fprintf(stderr,"do_key: %c (0x%lx)\n",(char)keySym,keySym); + ret=ioctl(tty_inject_device,TIOCSTI,&keySym); + if(ret<0) { + static char device[64]; + close(tty_inject_device); + sprintf(device,"/dev/tty%d",tty); + tty_inject_device=open(device,O_WRONLY); + ret=ioctl(tty_inject_device,TIOCSTI,&keySym); + if(ret<0) + fprintf(stderr,"Couldn't reopen device %s!\n",device); + } + } + } + } else if(keySym==XK_Control_L || keySym==XK_Control_R) + isControl--; +} + +int main(int argc,char **argv) +{ + int width=80,height=25; + char *buffer; + vncConsolePtr console; + char tty_device[64],title[128]; + int i; + FILE* tty_file; + struct winsize dimensions; + + if(argc>1) { + if((tty=atoi(argv[1]))<1) { + fprintf(stderr,"Usage: %s [tty_number [vnc args]]\n",argv[0]); + exit(1); + } else { + argv++; + argc--; + } + } + + /* getopt goes here! */ + + sprintf(tty_device,"/dev/tty%d",tty); + if((tty_inject_device=open(tty_device,O_WRONLY))<0) { + fprintf(stderr,"Couldn't open tty device %s!\n",tty_device); + exit(1); + } + fprintf(stderr,"Using device %s.\n",tty_device); + + if(ioctl(tty_inject_device,TIOCGWINSZ,&dimensions)>=0) { + width=dimensions.ws_col; + height=dimensions.ws_row; + } + + sprintf(title,"LinuxVNC: /dev/tty%d",tty); + + /* console init */ + console=vcGetConsole(&argc,argv,width,height,&vgaFont,TRUE); + console->rfbScreen->desktopName=title; + console->rfbScreen->kbdAddEvent=do_key; + console->selectTimeOut=100000; + console->wrapBottomToTop=TRUE; +#ifdef USE_OLD_VCS + buffer=malloc(width*height); + console->cursorActive=FALSE; +#else + buffer=malloc(width*height*2+4); + console->cursorActive=TRUE; +#endif + /* memcpy(buffer,console->screenBuffer,width*height); */ + +#ifdef USE_OLD_VCS + sprintf(tty_device,"/dev/vcs%d",tty); +#else + sprintf(tty_device,"/dev/vcsa%d",tty); +#endif + + while(1) { + if(!console->currentlyMarking) { + tty_file=fopen(tty_device,"rb"); + if(!tty_file) { + fprintf(stderr,"cannot open device \"%s\"\n", + tty_device); + exit(1); + } +#ifdef USE_OLD_VCS + fread(buffer,width,height,tty_file); +#else + fread(buffer,width*height*2+4,1,tty_file); + vcHideCursor(console); +#endif + fclose(tty_file); + + for(i=0;i<console->width*console->height;i++) { + if +#ifdef USE_OLD_VCS + (buffer[i]!=console->screenBuffer[i]) +#else + (buffer[4+2*i]!=console->screenBuffer[i] || + buffer[5+2*i]!=console->attributeBuffer[i]) +#endif + { + console->x=(i%console->width); + console->y=(i/console->width); + /* + fprintf(stderr,"changes: %d,%d (%d!=%d || %d!=%d)\n", + console->x,console->y, + buffer[4+2*i],console->screenBuffer[i], + buffer[5+2*i],console->attributeBuffer[i]); + */ + +#ifdef USE_OLD_VCS + vcPutChar(console,buffer[i]); +#else + vcPutCharColour(console,buffer[4+i*2],buffer[5+i*2]&0x7,buffer[5+i*2]>>4); +#endif + } + } + console->x=buffer[2]; + console->y=buffer[3]; + } + vcProcessEvents(console); + } + return(0); +} |