/* $Id: viewer_ex.c,v 1.16 2005/04/24 17:53:03 tom Exp $ */

#include <cdk.h>

#ifdef HAVE_XCURSES
char *XCursesProgramName="viewer_ex";
#endif

/*
 * This program demonstrates the file selector and the viewer widget.
 */
int main (int argc, char **argv)
{
   /* Declare variables. */
   CDKSCREEN *cdkscreen = 0;
   CDKVIEWER *example	= 0;
   CDKFSELECT *fSelect	= 0;
   WINDOW *cursesWin	= 0;
   char *title		= "<C>Pick\n<C>A\n<C>File";
   char *label		= "File: ";
   char **info		= 0;
   char *button[5];
   char vTitle[256];
   char *mesg[4];
   char temp[256];
   int selected, lines;

   CDK_PARAMS params;
   char *filename;		/* specify filename, bypassing fselect */
   char *directory;		/* specify starting directory for fselect */
   int interp_it;		/* interpret embedded markup */
   int link_it;			/* load file via embedded link */

   CDKparseParams(argc, argv, &params, "f:d:il" CDK_CLI_PARAMS);
   filename     = CDKparamString (&params, 'f');
   directory    = CDKparamString2 (&params, 'd', ".");
   interp_it	= CDKparamNumber2 (&params, 'i', FALSE);
   link_it	= CDKparamNumber2 (&params, 'l', FALSE);

   /* Create the viewer buttons. */
   button[0]	= "</5><OK><!5>";
   button[1]	= "</5><Cancel><!5>";

   /* Set up CDK. */
   cursesWin = initscr();
   cdkscreen = initCDKScreen (cursesWin);

   /* Start color. */
   initCDKColor();

   /* Get the filename. */
   if (filename == 0)
   {
      fSelect = newCDKFselect (cdkscreen,
			       CDKparamValue(&params, 'X', CENTER),
			       CDKparamValue(&params, 'Y', CENTER),
			       CDKparamValue(&params, 'H', 20),
			       CDKparamValue(&params, 'W', 65),
			       title, label, A_NORMAL, '_', A_REVERSE,
			       "</5>", "</48>", "</N>", "</N>",
			       CDKparamValue(&params, 'N', TRUE),
			       CDKparamValue(&params, 'S', FALSE));

      /*
       * Set the starting directory. This is not necessary because when
       * the file selector starts it uses the present directory as a default.
       */
      setCDKFselect (fSelect, directory, A_NORMAL, '.', A_REVERSE,
		     "</5>", "</48>", "</N>", "</N>", ObjOf(fSelect)->box);

      /* Activate the file selector. */
      filename = activateCDKFselect (fSelect, 0);

      /* Check how the person exited from the widget. */
      if (fSelect->exitType == vESCAPE_HIT)
      {
	 /* Pop up a message for the user. */
	 mesg[0] = "<C>Escape hit. No file selected.";
	 mesg[1] = "";
	 mesg[2] = "<C>Press any key to continue.";
	 popupLabel (cdkscreen, mesg, 3);

	 /* Exit CDK. */
	 destroyCDKFselect (fSelect);
	 destroyCDKScreen (cdkscreen);
	 endCDK();
	 exit (EXIT_SUCCESS);
      }
   }

   /* Create the file viewer to view the file selected.*/
   example = newCDKViewer (cdkscreen,
			   CDKparamValue(&params, 'X', CENTER),
			   CDKparamValue(&params, 'Y', CENTER),
			   CDKparamValue(&params, 'H', 20),
			   CDKparamValue(&params, 'W', -2),
			   button, 2, A_REVERSE,
			   CDKparamValue(&params, 'N', TRUE),
			   CDKparamValue(&params, 'S', FALSE));

   /* Could we create the viewer widget? */
   if (example == 0)
   {
      /* Exit CDK. */
      destroyCDKFselect (fSelect);
      destroyCDKScreen (cdkscreen);
      endCDK();

      /* Print out a message and exit. */
      printf ("Oops. Can't seem to create viewer. Is the window too small?\n");
      exit (EXIT_SUCCESS);
   }

   if (link_it)
   {
      info = (char **) calloc(2, sizeof(char *));
      info[0] = (char *) malloc(5 + strlen(filename));
      sprintf (info[0], "<F=%s>", filename);
      lines = -1;
      interp_it = TRUE;
   }
   else
   {
      setCDKViewer (example, "reading...", 0, 0, A_REVERSE, TRUE, TRUE, TRUE);
      /* Open the file and read the contents. */
      lines = CDKreadFile (filename, &info);
      if (lines == -1)
      {
	 endCDK();
	 printf ("Could not open \"%s\"\n", filename);
	 exit (EXIT_FAILURE);
      }
   }

   /* Set up the viewer title, and the contents to the widget. */
   sprintf (vTitle, "<C></B/21>Filename:<!21></22>%20s<!22!B>", filename);
   setCDKViewer (example, vTitle, info, lines, A_REVERSE, interp_it, TRUE, TRUE);

   /* Destroy the file selector widget. */
   destroyCDKFselect (fSelect);

   /* Activate the viewer widget. */
   selected = activateCDKViewer (example, 0);

   /* Check how the person exited from the widget.*/
   if (example->exitType == vESCAPE_HIT)
   {
      mesg[0] = "<C>Escape hit. No Button selected.";
      mesg[1] = "";
      mesg[2] = "<C>Press any key to continue.";
      popupLabel (cdkscreen, mesg, 3);
   }
   else if (example->exitType == vNORMAL)
   {
      sprintf (temp, "<C>You selected button %d", selected);
      mesg[0] = copyChar (temp);
      mesg[1] = "";
      mesg[2] = "<C>Press any key to continue.";
      popupLabel (cdkscreen, mesg, 3);
   }

   /* Clean up. */
   destroyCDKViewer (example);
   destroyCDKScreen (cdkscreen);
   endCDK();
   exit (EXIT_SUCCESS);
}