示例#1
0
void Done(int restart, char *command)
{
  MenuRoot *mr;

#ifndef NON_VIRTUAL
  MoveViewport(0, 0, False);
#endif

  mr = FindPopup("ExitFunction");
  if (mr != NULL)
    ExecuteFunction("Function ExitFunction", NULL, &Event, C_ROOT, -1);

  /* Close all my pipes */
  ClosePipes();

  Reborder();

  if (restart) {
    SaveDesktopState();		/* I wonder why ... */

    /* Really make sure that the connection is closed and cleared! */
    XSelectInput(dpy, Scr.Root, 0);
    XSync(dpy, 0);
    XCloseDisplay(dpy);

    {
      char *my_argv[10];
      int i, done, j;

      i = 0;
      j = 0;
      done = 0;
      while ((g_argv[j] != NULL) && (i < 8)) {
	if (strcmp(g_argv[j], "-s") != 0) {
	  my_argv[i] = g_argv[j];
	  i++;
	  j++;
	} else
	  j++;
      }
      if (strstr(command, "fvwm") != NULL)
	my_argv[i++] = "-s";
      while (i < 10)
	my_argv[i++] = NULL;

      /* really need to destroy all windows, explicitly,
       * not sleep, but this is adequate for now */
      sleep(1);
      ReapChildren();
      execvp(command, my_argv);
    }
    fvwm_msg(ERR, "Done", "Call of '%s' failed!!!!", command);
    execvp(g_argv[0], g_argv);	/* that _should_ work */
    fvwm_msg(ERR, "Done", "Call of '%s' failed!!!!", g_argv[0]);
  } else {
    XCloseDisplay(dpy);
    exit(0);
  }
}
示例#2
0
int main(int argc, char **argv)
{
  unsigned long valuemask;		/* mask for create windows */
  XSetWindowAttributes attributes;	/* attributes for create windows */
  void InternUsefulAtoms(void);
  void InitVariables(void);
  int  i, len;
  extern int x_fd;
  char *display_string;
  char message[255];
  Bool single = False;
  Bool option_error = FALSE;
  MenuRoot *mr;

  g_argv = argv;
  g_argc = argc;

  OpenConsole();
  DBUG("main", "Entered, about to parse args");

  for (i = 1; i < argc; i++) {
    if (strncasecmp(argv[i], "-debug", 6) == 0) {
      debugging = True;
    } else if (strncasecmp(argv[i], "-s", 2) == 0) {
      single = True;
    } else if (strncasecmp(argv[i], "-d", 2) == 0) {
      if (++i >= argc)
	usage();
      display_name = argv[i];
    } else if (strncasecmp(argv[i], "-f", 2) == 0) {
      if (++i >= argc)
	usage();
      config_command = (char *) malloc(6 + strlen(argv[i]));
      strcpy(config_command, "Read ");
      strcat(config_command, argv[i]);
      free_config_command = True;
    } else if (strncasecmp(argv[i], "-cmd", 4) == 0) {
      if (++i >= argc)
	usage();
      config_command = argv[i];
    } else if (strncasecmp(argv[i], "-file", 5) == 0) {
      if (++i >= argc)
	usage();
      output_file = argv[i];
    } else if (strncasecmp(argv[i], "-h", 2) == 0) {
      usage();
      exit(0);
    } else if (strncasecmp(argv[i], "-blackout", 9) == 0) {
      Blackout = True;
    } else if (strncasecmp(argv[i], "-version", 8) == 0) {
      fvwm_msg(INFO, "main", "Fvwm95 Version %s compiled on %s at %s\n",
	       VERSION, __DATE__, __TIME__);
    } else {
      fvwm_msg(ERR, "main", "Unknown option: `%s'\n", argv[i]);
      option_error = TRUE;
    }
  }

  DBUG("main", "Done parsing args");

  if (option_error) {
    usage();
  }

  DBUG("main", "Installing signal handlers");

  newhandler(SIGINT);
  newhandler(SIGHUP);
  newhandler(SIGQUIT);
  newhandler(SIGTERM);
  signal(SIGUSR1, Restart);
  signal(SIGPIPE, DeadPipe);

  ReapChildren();

  if (!(dpy = XOpenDisplay(display_name))) {
    fvwm_msg(ERR, "main", "can't open display %s",
	     XDisplayName(display_name));
    exit(1);
  }
  Scr.screen = DefaultScreen(dpy);
  Scr.NumberOfScreens = ScreenCount(dpy);

  master_pid = getpid();

  if (!single) {
    int myscreen = 0;
    char *cp;

    strcpy(message, XDisplayString(dpy));

    XCloseDisplay(dpy);

    for (i = 1; i < Scr.NumberOfScreens; i++) {
      if (fork() == 0) {
	myscreen = i;
	break;
      }
    }
    /*
     * Truncate the string 'whatever:n.n' to 'whatever:n',
     * and then append the screen number.
     */
    cp = strchr(message, ':');
    if (cp != NULL) {
      cp = strchr(cp, '.');
      if (cp != NULL)
	*cp = '\0';		/* truncate at display part */
    }
    sprintf(message + strlen(message), ".%d", myscreen);
    dpy = XOpenDisplay(message);
    Scr.screen = myscreen;
    Scr.NumberOfScreens = ScreenCount(dpy);
  }

  x_fd = XConnectionNumber(dpy);
  fd_width = GetFdWidth();

  if (fcntl(x_fd, F_SETFD, 1) == -1) {
    fvwm_msg(ERR, "main", "close-on-exec failed");
    exit(1);
  }

  /*  Add a DISPLAY entry to the environment, in case we were started
   *  with fvwm -display term:0.0
   */
  len = strlen(XDisplayString(dpy));
  display_string = safemalloc(len + 10);
  sprintf(display_string, "DISPLAY=%s", XDisplayString(dpy));
  putenv(display_string);

  /* Add a HOSTDISPLAY environment variable, which is the same as
   * DISPLAY, unless display = :0.0 or unix:0.0, in which case the full
   * host name will be used for ease in networking . */

  /* Note: Can't free the rdisplay_string after putenv, because it
   * becomes part of the environment! */

  if (strncmp(display_string, "DISPLAY=:", 9) == 0) {
    char client[MAXHOSTNAME], *rdisplay_string;

    mygethostname(client, MAXHOSTNAME);
    rdisplay_string = safemalloc(len + 14 + strlen(client));
    sprintf(rdisplay_string, "HOSTDISPLAY=%s:%s", client,
	    &display_string[9]);
    putenv(rdisplay_string);
  } else if (strncmp(display_string, "DISPLAY=unix:", 13) == 0) {
    char client[MAXHOSTNAME], *rdisplay_string;

    mygethostname(client, MAXHOSTNAME);
    rdisplay_string = safemalloc(len + 14 + strlen(client));
    sprintf(rdisplay_string, "HOSTDISPLAY=%s:%s", client,
	    &display_string[13]);
    putenv(rdisplay_string);
  } else {
    char *rdisplay_string;

    rdisplay_string = safemalloc(len + 14);
    sprintf(rdisplay_string, "HOSTDISPLAY=%s", XDisplayString(dpy));
    putenv(rdisplay_string);
  }

  Scr.Root = RootWindow(dpy, Scr.screen);
  if (Scr.Root == None) {
    fvwm_msg(ERR, "main", "Screen %d is not a valid screen",
	     (char *) Scr.screen);
    exit(1);
  }

#ifdef SHAPE
  ShapesSupported =
      XShapeQueryExtension(dpy, &ShapeEventBase, &ShapeErrorBase);
#endif	/* SHAPE */

  InternUsefulAtoms();

  /* Make sure property priority colors is empty */
  XChangeProperty(dpy, Scr.Root, _XA_MIT_PRIORITY_COLORS,
		  XA_CARDINAL, 32, PropModeReplace, NULL, 0);

  XSetErrorHandler((XErrorHandler) CatchRedirectError);
  XSetIOErrorHandler((XIOErrorHandler) CatchFatal);

  XSelectInput(dpy, Scr.Root,
	       LeaveWindowMask | EnterWindowMask | PropertyChangeMask |
	       SubstructureRedirectMask | KeyPressMask |
	       SubstructureNotifyMask |
	       ButtonPressMask | ButtonReleaseMask);

  XSync(dpy, 0);

  XSetErrorHandler((XErrorHandler) FvwmErrorHandler);

  BlackoutScreen();

  CreateCursors();
  InitVariables();
  InitEventHandlerJumpTable();
  initModules();

  InitPictureCMap(dpy, Scr.Root);	/* for the pixmap cache... */

  Scr.gray_bitmap =
      XCreateBitmapFromData(dpy, Scr.Root, g_bits, g_width, g_height);

  DBUG("main", "Setting up rc file defaults...");
  SetRCDefaults();

  DBUG("main", "Running config_command...");
  ExecuteFunction(config_command, NULL, &Event, C_ROOT, -1);
  DBUG("main", "Done running config_command");

/*
  CaptureAllWindows();
  MakeMenus();
*/

#if 0	/* this seems to cause problems for FvwmCpp/M4 startup actually */
  /* if not a direct 'Read', we'll capture all windows here, in case cmd
     fails we'll still have defaults */
  if (strncasecmp(config_command, "Read", 4) != 0 &&
      strncasecmp(config_command, "PipeRead", 8) != 0) {
    /* so if cmd (FvwmM4/Cpp most likely) fails, we can still have
       borders & stuff... */
    StartupStuff();
  }
#endif	/* 0 */

  if (free_config_command) {
    free(config_command);
  }

  if (Scr.d_depth < 2) {
    Scr.gray_pixmap =
	XCreatePixmapFromBitmapData(dpy, Scr.Root, g_bits, g_width,
				    g_height, Scr.WinColors.fore,
				    Scr.WinColors.back, Scr.d_depth);
    Scr.light_gray_pixmap =
	XCreatePixmapFromBitmapData(dpy, Scr.Root, l_g_bits, l_g_width,
				    l_g_height, Scr.WinColors.fore,
				    Scr.WinColors.back, Scr.d_depth);
  }

  /* create a window which will accept the keyboard focus when no other 
     windows have it */
  attributes.event_mask = KeyPressMask | FocusChangeMask;
  attributes.override_redirect = True;
  Scr.NoFocusWin = XCreateWindow(dpy, Scr.Root, -10, -10, 10, 10, 0, 0,
				 InputOnly, CopyFromParent,
				 CWEventMask | CWOverrideRedirect,
				 &attributes);
  XMapWindow(dpy, Scr.NoFocusWin);

  SetMWM_INFO(Scr.NoFocusWin);

  XSetInputFocus(dpy, Scr.NoFocusWin, RevertToParent, CurrentTime);

  XSync(dpy, 0);
  if (debugging)
    XSynchronize(dpy, 1);

  Scr.SizeStringWidth = XTextWidth(Scr.StdFont.font,
				   " +8888 x +8888 ", 15);
  attributes.border_pixel = Scr.WinColors.fore;
  attributes.background_pixel = Scr.WinColors.back;
  attributes.bit_gravity = NorthWestGravity;
  attributes.save_under = True;
  valuemask = (CWBorderPixel | CWBackPixel | CWBitGravity | CWSaveUnder);

  /* create the window for coordinates */
  Scr.SizeWindow = XCreateWindow(dpy, Scr.Root,
				 Scr.MyDisplayWidth / 2 -
				 (Scr.SizeStringWidth +
				  SIZE_HINDENT * 2) / 2,
				 Scr.MyDisplayHeight / 2 -
				 (Scr.StdFont.height +
				  SIZE_VINDENT * 2) / 2,
				 (unsigned int) (Scr.SizeStringWidth +
						 SIZE_HINDENT * 2),
				 (unsigned int) (Scr.StdFont.height +
						 SIZE_VINDENT * 2),
				 (unsigned int) 0, 0,
				 (unsigned int) CopyFromParent,
				 (Visual *) CopyFromParent,
				 valuemask, &attributes);

#ifndef NON_VIRTUAL
  initPanFrames();
#endif

  XGrabServer(dpy);

#ifndef NON_VIRTUAL
  checkPanFrames();
#endif
  XUngrabServer(dpy);
  UnBlackoutScreen();
  DBUG("main", "Entering HandleEvents loop...");
  HandleEvents();
  DBUG("main", "Back from HandleEvents loop?  Exiting...");

  return 0;
}
示例#3
0
/***************************************************************************
 *
 * Waits for next X event, or for an auto-raise timeout.
 *
 ****************************************************************************/
int My_XNextEvent(Display *dpy, XEvent *event)
{
  extern int fd_width, x_fd;
  fd_set in_fdset, out_fdset;
  Window targetWindow;
  int i;

  DBUG("My_XNextEvent","Routine Entered");

  /* Do this IMMEDIATELY prior to select, to prevent any nasty
   * queued up X events from just hanging around waiting to be
   * flushed */
  XFlush(dpy);
  if(XPending(dpy))
    {
      DBUG("My_XNextEvent","taking care of queued up events & returning");
      XNextEvent(dpy,event);
      StashEventTime(event);
      return 1;
    }

  DBUG("My_XNextEvent","no X events waiting - about to reap children");
  /* Zap all those zombies! */
  /* If we get to here, then there are no X events waiting to be processed.
   * Just take a moment to check for dead children. */
  ReapChildren();

  FD_ZERO(&in_fdset);
  FD_SET(x_fd,&in_fdset);
  FD_ZERO(&out_fdset);
  for(i=0; i<npipes; i++)
    {
      if(readPipes[i]>=0)
	{
	  FD_SET(readPipes[i], &in_fdset);
	}
      if(pipeQueue[i]!= NULL)
	{
	  FD_SET(writePipes[i], &out_fdset);
	}
    }

  DBUG("My_XNextEvent","waiting for module input/output");
  XFlush(dpy);
  if (select((SELECT_TYPE_ARG1)fd_width,
             SELECT_TYPE_ARG234 &in_fdset,
             SELECT_TYPE_ARG234 &out_fdset,
             SELECT_TYPE_ARG234 0,
             SELECT_TYPE_ARG5   NULL) > 0)
  {

  /* Check for module input. */
  for(i=0;i<npipes;i++)
    {
      if(readPipes[i] >= 0)
	{
	  if(FD_ISSET(readPipes[i], &in_fdset))
	    {
	      if( read(readPipes[i],&targetWindow, sizeof(Window)) >0 )
		{
                  DBUG("My_XNextEvent","calling HandleModuleInput");
		  HandleModuleInput(targetWindow,i);
		}
              else
		{
                  DBUG("My_XNextEvent","calling KillModule");
		  KillModule(i,10);
		}
	    }
	}
      if(writePipes[i] >= 0)
	{
	  if(FD_ISSET(writePipes[i], &out_fdset))
	    {
              DBUG("My_XNextEvent","calling FlushQueue");
	      FlushQueue(i);
	    }
	}
    } /* for */
  }
  DBUG("My_XNextEvent","leaving My_XNextEvent");
  return 0;
}