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#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(rfbBool down,rfbKeySym 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;
//rfbLog("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)
rfbErr("Couldn't reopen device %s!\n",device);
}
}
}
} else if(keySym==XK_Control_L || keySym==XK_Control_R)
isControl--;
}
/* these colours are from linux kernel drivers/char/console.c */
unsigned char color_table[] = { 0, 4, 2, 6, 1, 5, 3, 7,
8,12,10,14, 9,13,11,15 };
/* the default colour table, for VGA+ colour systems */
int default_red[] = {0x00,0xaa,0x00,0xaa,0x00,0xaa,0x00,0xaa,
0x55,0xff,0x55,0xff,0x55,0xff,0x55,0xff};
int default_grn[] = {0x00,0x00,0xaa,0x55,0x00,0x00,0xaa,0xaa,
0x55,0x55,0xff,0xff,0x55,0x55,0xff,0xff};
int default_blu[] = {0x00,0x00,0x00,0x00,0xaa,0xaa,0xaa,0xaa,
0x55,0x55,0x55,0x55,0xff,0xff,0xff,0xff};
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) {
rfbErr("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) {
rfbErr("Couldn't open tty device %s!\n",tty_device);
exit(1);
}
rfbLog("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);
for(i=0;i<16;i++) {
console->rfbScreen->colourMap.data.bytes[i*3+0]=default_red[color_table[i]];
console->rfbScreen->colourMap.data.bytes[i*3+1]=default_grn[color_table[i]];
console->rfbScreen->colourMap.data.bytes[i*3+2]=default_blu[color_table[i]];
}
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) {
rfbErr("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);
/*
rfbLog("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);
}
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