#include <dos/dos.h>
#include <dos/rdargs.h>
#include <clib/dos_protos.h>
#include <stdio.h>
#include <string.h>
#include <exec/lists.h>

#include <libraries/reqtools.h>

#include <functions.h>

static char version_string[] = "$VER: rtFontRequest 2.3 (11.16.94)";

char MyExtHelp[] =
"\n"
"Usage : rtFontRequest\n"
"\n"
"  TITLE/A,NOBUFFER/S,FIXEDWIDTH/S,COLORFONTS/S,CHANGEPALETTE/S,LEAVEPALETTE/S,\n"
"  SCALE/S,STYLE/S,HEIGHT/N/K,OKTEXT/K,SAMPLEHEIGHT/N/K,MINHEIGHT/N/K,\n"
"  MAXHEIGHT/N/K,POSITION=POS/K,TOPOFFSET=TOP/N/K,LEFFTOFFSET=LEFT/N/K,\n"
"  PUBSCREEN/K\n"
"\n"
"Arguments:\n"
"\n"
"  TITLE    <text> - Title text for requester window.\n"
"  NOBUFFER        - do not buffer the font list for subsequent calls.\n"
"  FIXEDWIDTH      - only show fixed-width fonts.\n"
"  COLORFONTS      - show color fonts also.\n"
"  CHANGEPALETTE   - change the screen's palette to match that of a selected\n"
"                    color font.\n"
"  LEAVEPALETTE    - leave the palette as it is when exiting rtFontRequest.\n"
"                    Useful in combination with CHANGEPALETTE.\n"
"  SCALE           - allow fonts to be scaled when they don't exist in the\n"
"                    requested size. (works on Kickstart 2.0 only, has no\n" 
"                    effect on 1.2/1.3).\n"
"  STYLE           - include gadgets so the user may select the font's style.\n"
"  HEIGHT    <num> - Suggested height of font requester window.\n"
"  OKTEXT   <text> - Replacement text for \"Ok\" gadget.  Maximum 6 chars.\n"
"  SAMPLEHEIGHT <num> - Height of font sample display in pixels (default 24).\n"
"  MINHEIGHT    <num> - Minimum font size displayed.\n"
"  MAXHEIGHT    <num> - Maximum font size displayed.\n"
"  POSITION     <pos> - Open requester window at <pos>.  Permissible values are:\n"
" >or POS               CENTERSCR, TOPLEFTSCR, CENTERWIN, TOPLEFTWIN, POINTER.\n"
"  TOPOFFSET    <num> - Offset position relative to above.\n"
" >or TOP\n"
"  LEFFTOFFSET  <num> - Offset position relative to above.\n"
" >or LEFT\n"
"  PUBSCREEN <screen> - Public screen name.\n";

#define TEMPLATE "TITLE/A,NOBUFFER/S,FIXEDWIDTH/S,COLORFONTS/S,CHANGEPALETTE/S,LEAVEPALETTE/S,SCALE/S,STYLE/S,HEIGHT/N/K,OKTEXT/K,SAMPLEHEIGHT/N/K,MINHEIGHT/N/K,MAXHEIGHT/N/K,POSITION=POS/K,TOPOFFSET=TOP/N/K,LEFFTOFFSET=LEFT/N/K,PUBSCREEN/K"

#define OPT_TITLE 0
#define OPT_NOBUFFER 1
#define OPT_FIXEDWIDTH 2
#define OPT_COLORFONTS 3
#define OPT_CHANGEPALETTE 4
#define OPT_LEAVEPALETTE 5
#define OPT_SCALE 6
#define OPT_STYLE 7
#define OPT_HEIGHT 8
#define OPT_OKTEXT 9
#define OPT_SAMPLEHEIGHT 10
#define OPT_MINHEIGHT 11
#define OPT_MAXHEIGHT 12
#define OPT_POSITION 13
#define OPT_TOPOFFSET 14
#define OPT_LEFTOFFSET 15
#define OPT_PUBSCREEN 16
#define OPT_COUNT 17

struct Library *ReqToolsBase;

int
main (int argc, char **argv)
{
  int retval = 0;

  if (argc)
    {
      if ((argc == 2) && (stricmp (argv[1], "HELP") == 0))
	{
	  fprintf (stdout, "%s", MyExtHelp);
	}
      else
	{
	  /* My custom RDArgs */
	  struct RDArgs *myrda;

	  /* Need to ask DOS for a RDArgs structure */
	  if (myrda = (struct RDArgs *) AllocDosObject (DOS_RDARGS, NULL))
	    {
	      /*
	       * The array of LONGs where ReadArgs() will store the data from
	       * the command line arguments.  C guarantees that all the array
	       * entries will be set to zero.
	       */
	      LONG *result[OPT_COUNT] =
	      {NULL};

	      /* parse my command line */
	      if (ReadArgs (TEMPLATE, result, myrda))
		{
		  if (ReqToolsBase = (struct Library *) OpenLibrary ("reqtools.library", LIBRARY_MINIMUM))
		    {
		      struct rtFileRequester *requester;

		      if (requester = (struct rtFileRequester *) rtAllocRequest (RT_FONTREQ, NULL))
			{
			  /*
			   * Take care of requester positioning -
			   * These flags common to most rt requesters
			   */
			  if (stricmp (result[OPT_POSITION], "CENTERSCR") == 0)
			    requester->ReqPos = REQPOS_CENTERSCR;
			  else if (stricmp (result[OPT_POSITION], "TOPLEFTSCR") == 0)
			    requester->ReqPos = REQPOS_TOPLEFTSCR;
			  else if (stricmp (result[OPT_POSITION], "CENTERWIN") == 0)
			    requester->ReqPos = REQPOS_CENTERWIN;
			  else if (stricmp (result[OPT_POSITION], "TOPLEFTWIN") == 0)
			    requester->ReqPos = REQPOS_TOPLEFTWIN;
			  else
			    requester->ReqPos = REQPOS_POINTER;

			  /*
			   * take care of some rtFontRequest () specific flags
			   */
			  requester->Flags =
			  ((result[OPT_NOBUFFER]) ? FREQF_NOBUFFER : NULL) |
			  ((result[OPT_FIXEDWIDTH]) ? FREQF_FIXEDWIDTH : NULL) |
			  ((result[OPT_COLORFONTS]) ? FREQF_COLORFONTS : NULL) |
			  ((result[OPT_CHANGEPALETTE]) ? FREQF_CHANGEPALETTE : NULL) |
			  ((result[OPT_LEAVEPALETTE]) ? FREQF_LEAVEPALETTE : NULL) |
			  ((result[OPT_SCALE]) ? FREQF_SCALE  : NULL) |
			  ((result[OPT_STYLE]) ? FREQF_STYLE : NULL);			   

			  {
			    struct Process *process = (struct Process *) FindTask (NULL);
			    APTR windowptr = process->pr_WindowPtr;

			    APTR func_return;

			    /*
			     * Tags will be used to take care ofattributes not directly
			     * settable in the rtReqInfo structure
			     */

			    rtFontRequest (requester, result[OPT_TITLE],

			    (result[OPT_HEIGHT]) ? RTFO_Height : TAG_IGNORE,
							 *result[OPT_HEIGHT],
			    (result[OPT_OKTEXT]) ? RTFO_OkText : TAG_IGNORE,
							 result[OPT_OKTEXT],

			    (result[OPT_SAMPLEHEIGHT]) ? RTFO_SampleHeight : TAG_IGNORE,
				                          *result[OPT_SAMPLEHEIGHT],
                            (result[OPT_MINHEIGHT]) ? RTFO_MinHeight : TAG_IGNORE,
                                                          *result[OPT_MINHEIGHT],
                            (result[OPT_MAXHEIGHT]) ? RTFO_MaxHeight : TAG_IGNORE,
                                                          *result[OPT_MAXHEIGHT],
			    /*
			     * Finally,
			     * set some more general tags shared by most requesters
			     */
             		    RT_Underscore, '_',

			    (result[OPT_TOPOFFSET]) ? RT_TopOffset : TAG_IGNORE,
			    *result[OPT_TOPOFFSET],
			    (result[OPT_LEFTOFFSET]) ? RT_LeftOffset : TAG_IGNORE,
			    *result[OPT_LEFTOFFSET],
			    (windowptr) ? RT_Window : TAG_IGNORE,
			    windowptr,
			    (result[OPT_PUBSCREEN]) ? RT_PubScrName : TAG_IGNORE,
			    result[OPT_PUBSCREEN],
			    TAG_END);
			  }

			  rtFreeRequest (requester);
			}
		      else
			{
			  /* Unable to allocate request structure */
			  retval = 20;
			}
		      CloseLibrary (ReqToolsBase);
		    }
		  else
		    {
		      /* Unable to open reqtools.library */
		      fprintf (stderr, "rtGetString: Unable to open reqtools.library.\n");
		      retval = 20;
		    }
		  FreeArgs (myrda);
		}
	      else
		{
		  /*
		   * Something went wrong in the parse
		   */

		  if (result[OPT_TITLE] == NULL)
		    {
		      fprintf (stderr, "rtFontRequest: Required argument missing.\n");
		    }
		  else
		    {
		      /* something else is wrong */
		      fprintf (stderr, "rtFontRequest: Command syntax error.\n");
		    }

		  fprintf (stderr, "Try - rtFontRequest help.\n");

		  retval = 20;
		}
	      FreeDosObject (DOS_RDARGS, myrda);
	    }
	  else
	    {
	      /* Unable to alloc readargs structure */
	      retval = 20;
	    }
	}
    }
  else
    {
      /* launched from workbench */
    }

  return (retval);
}