e16/eesh/main.c

#include "E.h"
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>

extern char         waitonly;

int
main(int argc, char **argv)
{
   XEvent              ev;
   Client             *me, *e;
   char                buf[10240];
   int                 i, j, k;
   fd_set              fd;
   char                ret;
   char               *command;

   waitonly = 0;
   lists.next = NULL;
   display_name = NULL;
   command = NULL;

   for (i = 0; i < argc; i++)
     {
	if (!strcmp(argv[i], "-e"))
	  {
	     if (i != (argc - 1))
	       {
                  command = argv[++i];
	       }
	  }
	else if (!strcmp(argv[i], "-ewait"))
	  {
	     waitonly = 1;
	     if (i != (argc - 1))
                command = argv[++i];
	  }
        else if (!strcmp(argv[i], "-display"))
          {
	     if (i != (argc - 1))
                display_name = duplicate(argv[++i]);
          }
	else if ((!strcmp(argv[i], "-h")) ||
		 (!strcmp(argv[i], "--h")) ||
		 (!strcmp(argv[i], "-help")) ||
		 (!strcmp(argv[i], "--help")))
	  {
	     printf("%s [ -e \"Command to Send to Enlightenment then exit\"]\n"
		    "     [ -ewait \"Command to Send to E then wait for a reply then exit\"]\n",
		    argv[0]);
	     printf("Use \"%s\" by itself to enter the \"interactive mode\"\n"
		    "Ctrl-D will exit interactive mode (EOF)\n"
		    "use \"help\" from inside interactive mode for further "
		    "assistance\n", argv[0]);
	     exit(0);
	  }
     }

   SetupX();
   CommsSetup();
   CommsFindCommsWindow();
   XSelectInput(disp, comms_win, StructureNotifyMask);
   XSelectInput(disp, root.win, PropertyChangeMask);
   e = MakeClient(comms_win);
   AddItem(e, "E", e->win, LIST_TYPE_CLIENT);
   me = MakeClient(my_win);
   AddItem(me, "ME", me->win, LIST_TYPE_CLIENT);
   CommsSend(e, "set clientname eesh");
   CommsSend(e, "set version 0.1");
   CommsSend(e, "set author The Rasterman");
   CommsSend(e, "set email raster@rasterman.com");
   CommsSend(e, "set web http://www.enlightenment.org");
/*  CommsSend(e, "set address NONE"); */
   CommsSend(e, "set info Enlightenment IPC Shell - talk to E direct");
/*  CommsSend(e, "set pixmap 0"); */

   if (command)
     {
        CommsSend(e, command);
        if (!waitonly)
          {
             XSync(disp, False);
             exit(0);
          }
     }

   XSync(disp, False);
   j = 0;
   fcntl(0, F_SETFL, O_NONBLOCK);
   for (;;)
     {
	if (waitonly)
	  {
	     XNextEvent(disp, &ev);
	     if (ev.type == ClientMessage)
		HandleComms(&ev);
	     else if (ev.type == DestroyNotify)
		exit(0);
	     XSync(disp, False);
	  }
	else
	  {
	     FD_ZERO(&fd);
	     FD_SET(0, &fd);
	     FD_SET(ConnectionNumber(disp), &fd);
	     if (select(ConnectionNumber(disp) + 1, &fd, NULL, NULL, NULL) < 0)
		exit(0);
	     XSync(disp, False);

	     if (FD_ISSET(0, &fd))
	       {
		  k = 0;
		  while ((ret = read(0, &(buf[j]), 1) > 0))
		    {
		       k = 1;
		       if (buf[j] == '\n')
			 {
			    buf[j] = 0;
			    if (strlen(buf) > 0)
			      {
				 CommsSend(e, buf);
				 XSync(disp, False);
			      }
			    j = -1;
			 }
		       j++;
		    }
		  if ((ret < 0) || ((k == 0) && (ret == 0)))
		     exit(0);
	       }
	     else if (FD_ISSET(ConnectionNumber(disp), &fd))
	       {
		  while (XPending(disp))
		    {
		       XNextEvent(disp, &ev);
		       if (ev.type == ClientMessage)
			  HandleComms(&ev);
		       else if (ev.type == DestroyNotify)
			  exit(0);
		    }
		  XSync(disp, False);
	       }
	  }
     }
   return 0;
}