WINDOW* vwmterm_init(gpointer anything)
{
extern WINDOW *SCREEN_WINDOW;
extern ps_runq_t *vwm_runq;
vterm_t *vterm;
WINDOW *window;
gint width,height;
int master_fd;
int fflags;
getmaxyx(SCREEN_WINDOW,height,width);
if(height>30 && width>84)
{
height=25;
width=80;
}
else
{
/* calculate scaled window size */
window_get_size_scaled(NULL,&width,&height,0.85,0.65);
if(width>80) width=80;
if(height>25) height=25;
}
vterm=vterm_create(width,height,0);
vterm_set_colors(vterm,COLOR_WHITE,COLOR_BLACK);
master_fd=vterm_get_pty_fd(vterm);
// configure SIGIO acceleration
#ifdef SIGPOLL
vwmterm_sigset(SIGPOLL,vwmterm_SIGIO);
#else
vwmterm_sigset(SIGIO,vwmterm_SIGIO);
#endif
fcntl(master_fd,F_SETOWN,getpid());
fflags=fcntl(master_fd,F_GETFL);
fcntl(master_fd,F_SETFL,fflags | FASYNC);
viper_thread_enter();
// create window
window=viper_window_create(" VTerm ",0.5,0.5,width,height,TRUE);
viper_window_set_state(window,STATE_UNSET | STATE_NORESIZE);
viper_window_set_limits(window,15,2,WSIZE_UNCHANGED,WSIZE_UNCHANGED);
// libviper set the default bkgd OR to WHITE on BLACK. undo it.
wbkgdset(window,0);
wattron(window,VIPER_COLORS(COLOR_WHITE,COLOR_BLACK));
// init terminal
vterm_wnd_set(vterm,window);
vterm_erase(vterm);
// attache event handlers
viper_event_set(window,"window-resized",vwmterm_ON_RESIZE,(gpointer)vterm);
viper_event_set(window,"window-close",vwmterm_ON_CLOSE,(gpointer)vterm);
viper_event_set(window,"window-destroy",vwmterm_ON_DESTROY,
(gpointer)vterm);
viper_window_set_key_func(window,vwmterm_ON_KEYSTROKE);
viper_window_set_userptr(window,(gpointer)vterm);
// push pseudo-thread onto run queue
psthread_add(vwm_runq,vwmterm_psthread,(gpointer)window);
viper_thread_leave();
return window;
}
vterm_t* vterm_create(guint width,guint height,guint flags)
{
vterm_t *vterm;
struct passwd *user_profile;
const char *user_shell=NULL;
pid_t child_pid;
int master_fd;
struct winsize ws={0};//.ws_xpixel=0,.ws_ypixel=0};
// int cell_count;
guint i;
if(height <= 0 || width <= 0) return NULL;
vterm=(vterm_t*)g_malloc0(sizeof(vterm_t));
/* record dimensions */
vterm->rows=height;
vterm->cols=width;
// cell_count=width*height;
/* create the cell matrix */
vterm->cells=(vterm_cell_t**)g_malloc0(sizeof(vterm_cell_t*)*height);
for(i=0;i < height;i++)
{
vterm->cells[i]=(vterm_cell_t*)g_malloc0(sizeof(vterm_cell_t)*width);
}
// initialize all cells with defaults
vterm_erase(vterm);
// initialization of other public fields
vterm->crow=0;
vterm->ccol=0;
// default active colors
vterm->curattr = A_NORMAL;//COLOR_PAIR_TV(vterm->colors);
//fprintf(stderr, "vterm->curattr = %d\n", vterm->curattr);
// initial scrolling area is the whole window
vterm->scroll_min=0;
vterm->scroll_max=height-1;
vterm->flags=flags;
memset(&ws,0,sizeof(ws));
ws.ws_row=height;
ws.ws_col=width;
child_pid=forkpty(&master_fd,NULL,NULL,&ws);
vterm->pty_fd=master_fd;
if(child_pid < 0)
{
vterm_destroy(vterm);
return NULL;
}
if(child_pid==0)
{
signal(SIGINT,SIG_DFL);
// default is rxvt emulation
setenv("TERM","rxvt",1);
if(flags & VTERM_FLAG_VT100)
{
setenv("TERM","vt100",1);
}
user_profile=getpwuid(getuid());
if(user_profile==NULL) user_shell="/bin/sh";
else if(user_profile->pw_shell==NULL) user_shell="/bin/sh";
else user_shell=user_profile->pw_shell;
if(user_shell==NULL) user_shell="/bin/sh";
//fprintf(stderr, "execl\n");
// start the shell
if(execl(user_shell,user_shell,"-l",NULL)==-1)
{
//fprintf(stderr, "FAIL\n");
exit(EXIT_FAILURE);
}
//fprintf(stderr, "OK\n");
exit(EXIT_SUCCESS);
}
vterm->child_pid=child_pid;
if(ttyname_r(master_fd,vterm->ttyname,sizeof(vterm->ttyname)-1) !=0)
{
snprintf(vterm->ttyname,sizeof(vterm->ttyname)-1,"vterm");
}
if(flags & VTERM_FLAG_VT100) vterm->write=vterm_write_vt100;
else vterm->write=vterm_write_rxvt;
return vterm;
}
