/****************************************************************************
 * NCSA Mosaic for the X Window System                                      *
 * Software Development Group                                               *
 * National Center for Supercomputing Applications                          *
 * University of Illinois at Urbana-Champaign                               *
 * 605 E. Springfield, Champaign IL 61820                                   *
 * mosaic@ncsa.uiuc.edu                                                     *
 *                                                                          *
 * Copyright (C) 1993, Board of Trustees of the University of Illinois      *
 *                                                                          *
 * NCSA Mosaic software, both binary and source (hereafter, Software) is    *
 * copyrighted by The Board of Trustees of the University of Illinois       *
 * (UI), and ownership remains with the UI.                                 *
 *                                                                          *
 * The UI grants you (hereafter, Licensee) a license to use the Software    *
 * for academic, research and internal business purposes only, without a    *
 * fee.  Licensee may distribute the binary and source code (if released)   *
 * to third parties provided that the copyright notice and this statement   *
 * appears on all copies and that no charge is associated with such         *
 * copies.                                                                  *
 *                                                                          *
 * Licensee may make derivative works.  However, if Licensee distributes    *
 * any derivative work based on or derived from the Software, then          *
 * Licensee will (1) notify NCSA regarding its distribution of the          *
 * derivative work, and (2) clearly notify users that such derivative       *
 * work is a modified version and not the original NCSA Mosaic              *
 * distributed by the UI.                                                   *
 *                                                                          *
 * Any Licensee wishing to make commercial use of the Software should       *
 * contact the UI, c/o NCSA, to negotiate an appropriate license for such   *
 * commercial use.  Commercial use includes (1) integration of all or       *
 * part of the source code into a product for sale or license by or on      *
 * behalf of Licensee to third parties, or (2) distribution of the binary   *
 * code or source code to third parties that need it to utilize a           *
 * commercial product sold or licensed by or on behalf of Licensee.         *
 *                                                                          *
 * UI MAKES NO REPRESENTATIONS ABOUT THE SUITABILITY OF THIS SOFTWARE FOR   *
 * ANY PURPOSE.  IT IS PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED          *
 * WARRANTY.  THE UI SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY THE    *
 * USERS OF THIS SOFTWARE.                                                  *
 *                                                                          *
 * By using or copying this Software, Licensee agrees to abide by the       *
 * copyright law and all other applicable laws of the U.S. including, but   *
 * not limited to, export control laws, and the terms of this license.      *
 * UI shall have the right to terminate this license immediately by         *
 * written notice upon Licensee's breach of, or non-compliance with, any    *
 * of its terms.  Licensee may be held legally responsible for any          *
 * copyright infringement that is caused or encouraged by Licensee's        *
 * failure to abide by the terms of this license.                           *
 *                                                                          *
 * Comments and questions are welcome and can be sent to                    *
 * mosaic-x@ncsa.uiuc.edu.                                                  *
 ****************************************************************************/

/* Copyright (C) 2005, 2006, 2007, 2008 - The VMS Mosaic Project */

#include "../config.h"

#include "mosaic.h"
#include "gui.h"
#include "gui-dialogs.h"
#include "gui-documents.h"
#include "mo-www.h"
#include "pan.h"
#include "annotate.h"
#include "grpan.h"
#include "history.h"
#ifndef VMS
#include <pwd.h>
#else
#include "vms_pwd.h"
#endif  /* PGE */
#include <sys/types.h>
#include <Xm/ToggleB.h>
#include <Xm/TextF.h>
#include <Xm/Text.h>
#include <Xm/FileSB.h>
#include "bitmaps/annotate.xbm"
#ifndef VMS
#include "../libnut/system.h"
#endif

extern char *home_document;

typedef enum {
  mo_new_annotation = 0,
  mo_edit_annotation
} mo_amode;

#ifdef VMS
/*
 * Here is a replacement for getpwuid for VMS.  It returns pointers
 * to userid (*pw_name) and owner (*pw_gecos) only.  Other fields
 * may be added later.
 * Note that sys$getuai returns owner as a counted string.
 */
static struct passwd vms_passwd;
static char vms_userid[16];
static char vms_owner[40];
#define UAI$_OWNER 12

struct passwd *getpwuid()
{
  struct  dsc$descriptor_s {
    unsigned short  dsc$w_length;
    unsigned char   dsc$b_dtype;
    unsigned char   dsc$b_class;
    char           *dsc$a_pointer;
  } user_desc = {0, 14, 1, NULL};
  struct {
    short buffer_length;
    short item_code;
    int buffer_address;
    int return_length_address;
    int terminator;
  } itmlst;
  char *t_userid;
  char owner[40];
  int status, length;
  int sys$getuai();

#ifdef __GNUC__
  (int)t_userid = cuserid((char *) NULL);
#else
  t_userid = cuserid((char *) NULL);
#endif /* GNU C is strange, GEC */
  user_desc.dsc$w_length       = strlen(t_userid);
  user_desc.dsc$a_pointer      = t_userid;
  itmlst.buffer_length         = sizeof(owner);
  itmlst.item_code             = UAI$_OWNER;
  itmlst.buffer_address        = (int)owner;
  itmlst.return_length_address = (int)&length;
  itmlst.terminator            = 0;

  status = sys$getuai(0, 0, &user_desc, &itmlst, 0, 0, 0);
  if (status == 1) {
      length = (int)owner[0];
      owner[length + 1] = '\0';
      strcpy(vms_userid, t_userid);
      strcpy(vms_owner, &owner[1]);
  } else {
      vms_userid[0] = '\0';
      vms_owner[0] = '\0';
  }
  vms_passwd.pw_name = vms_userid;
  vms_passwd.pw_gecos = vms_owner;
  return (&vms_passwd);
}
#endif /* VMS, BSN, GEC */

/* ---------------------- mo_is_editable_annotation ----------------------- */

mo_status mo_is_editable_annotation (mo_window *win, char *text)
{
  if (!win->current_node)
      return mo_fail;
  /*
   * In group annotations we first need to check if this document is one,
   * and we also need to set the annotation_type in current_node so we do the
   * right thing when the Delete or Edit menus items are selected.
   */
  /* For now, it can only be a pan or a grpan. */
  if (mo_is_editable_grpan(text) == mo_succeed) {
      win->current_node->annotation_type = mo_annotation_workgroup;
      return mo_succeed;
  } else if (mo_is_editable_pan(text) == mo_succeed) {
      win->current_node->annotation_type = mo_annotation_private;
      return mo_succeed;
  } else {
      win->current_node->annotation_type = mo_annotation_private;
      return mo_fail;
  }
}

/* ---------------------- mo_fetch_annotation_links ----------------------- */

char *mo_fetch_annotation_links (char *url, int on_top)
{
  char *pans, *grpans;
  char *msg = NULL;	/* Used to compose the merged annotation returns */
  char *uniqdoc = mo_url_canonicalize(url, "");

  pans = mo_fetch_pan_links(uniqdoc, on_top);
  grpans = mo_fetch_grpan_links(uniqdoc);

  /* Merge into pans */
  if (!pans && !grpans) {
      /* pans is already NULL, do nothing */
  } else if (pans && !grpans) {
      /* pans is all there is, do nothing */
  } else if (!pans && grpans) {
      /* grpans is all there is, swap pans and grpans */
      pans = grpans;
      grpans = NULL;
  } else {  /* Both exist */
      char *ret = (char *)malloc(strlen(pans) + strlen(grpans) + 8);

      strcpy(ret, grpans);
      strcat(ret, pans);
      free(grpans);
      free(pans);
      pans = ret;
  }

  /*
   * If we have no annotations, return NULL
   */
  if (pans) {
      /*
       * Compose the annotations into msg, adding a line at either the top
       * or bottom depending on where the annotations will appear.
       */
      if (msg = (char *)malloc(strlen(pans) + 40)) {
          if (on_top) {
              strcpy(msg, pans);
              strcat(msg, "\n<HR>\n");
          } else {
              strcpy(msg, "<HR>\n");
              strcat(msg, pans);
	  }
      }
      free(pans);
  }
  free(uniqdoc);
  return msg;
}

/* ------------------------- set_annotation_mode -------------------------- */

static void set_annotation_mode (mo_window *win, int mode)
{
  win->annotation_mode = mode;

  XmxSetSensitive(win->delete_button, 
		  mode == mo_edit_annotation ? XmxSensitive : XmxNotSensitive);
  return;
}

/* ----------------------- mo_post_annotate_window ------------------------ */

static XmxCallback (annotate_win_cb)
{
  mo_window *win = mo_fetch_window_by_id(XmxExtractUniqid((int)client_data));

  if (!win->current_node) {
      XtUnmanageChild(win->annotate_win);
      return;
  }

  switch (XmxExtractToken((int)client_data)) {
    case 0: {
      /*
       * When finished with the annotation window, do the right thing based
       * on whether this is private or group, and whether this is an edit or
       * a new annotation.
       */
      char *tmpurl = mo_url_canonicalize(win->current_node->url, "");

      if (win->pubpri == mo_annotation_public ||
          win->pubpri == mo_annotation_workgroup) {
          char *txt = XmxTextGetString(win->annotate_text);

          /* Make sure text exists before actually annotating. */
          /* In the case of editing, no text should result in a delete. */
          if (txt && *txt) {
	      char *title = XmxTextGetString(win->annotate_title);
	      char *author = XmxTextGetString(win->annotate_author);
              int i;
	      int aXtFree = 1;
	      int tXtFree = 1;

              if (!title || !*title) {
		  if (title)
		      XtFree(title);
		  tXtFree = 0;
                  title = strdup("Annotation with no title");
	      }
              if (!author || !*author) {
		  if (author)
		      XtFree(author);
		  aXtFree = 0;
                  author = strdup("No Author");
	      }
              /* This is a temporary fix because Eric's real
               * fix doesn't seem to be working. */
              for (i = 0; i < strlen(title); i++) {
                  if (title[i] == '\"')
                      title[i] = '\'';
	      }
              for (i = 0; i < strlen(author); i++) {
                  if (author[i] == '\"')
                      author[i] = '\'';
	      }
              if (win->annotation_mode == mo_new_annotation) {
		  /*
		   * Add the new annotation to the server.
		   */
                  mo_new_grpan(tmpurl, title, author, txt);
                  mo_set_win_current_node(win, win->current_node);
              } else {  /* Edit annotation */
		  /*
		   * Change the annotation on the server
		   */
                  mo_modify_grpan(tmpurl, title, author, txt);
                  mo_reload_window_text(win, 0);
              }
	      XtFree(txt);
	      if (author) {
		  if (aXtFree) {
		      XtFree(author);
		  } else {
		      free(author);
		  }
	      }
	      if (title) {
		  if (tXtFree) {
		      XtFree(title);
		  } else {
		      free(title);
		  }
	      }
          } else if (txt) {
	      XtFree(txt);
	  }
          XtUnmanageChild(win->annotate_win);
      } else {
          char *txt = XmxTextGetString(win->annotate_text);

          /* Make sure text exists before actually annotating. */
          /* In the case of editing, no text should result in a delete. */
          if (txt && *txt) {
	      char *author = XmxTextGetString(win->annotate_author);
	      char *title = XmxTextGetString(win->annotate_title);

              if (win->annotation_mode == mo_new_annotation) {
                  mo_new_pan(tmpurl, title, author, txt);
                  /* Inefficient, but safe. */
                  mo_write_pan_list();
                  mo_set_win_current_node(win, win->current_node);
              } else {  /* Edit annotation */
                  mo_modify_pan(win->editing_id, title, author, txt);
                  /* Inefficient, but safe. */
                  mo_write_pan_list();
                  mo_reload_window_text(win, 0);
              }
	      XtFree(txt);
	      if (title)
		  XtFree(title);
	      if (author)
		  XtFree(author);
          } else if (txt) {
	      XtFree(txt);
	  }
          XtUnmanageChild(win->annotate_win);
      }
      if (tmpurl)
          free(tmpurl);
      break;
    }
    case 1:
      XtUnmanageChild(win->annotate_win);
      /* Do nothing. */
      break;
    case 2:
      mo_open_another_window(win,
         		     mo_assemble_help_url("help-on-annotate-win.html"),
         		     NULL, NULL);
      break;
  }
  return;
}

#ifdef GRPAN_PASSWD
static XmxCallback (passwd_toggle_cb)
{
  mo_window *win = mo_fetch_window_by_id(XmxExtractUniqid((int)client_data));
  
  if (XmToggleButtonGetState(win->passwd_toggle)) {
      XmxSetSensitive(win->passwd_label, XmxSensitive);
      XmxSetSensitive(win->annotate_passwd, XmxSensitive);
  } else {
      XmxSetSensitive(win->passwd_label, XmxNotSensitive);
      XmxSetSensitive(win->annotate_passwd, XmxNotSensitive);
      XmxTextSetString(win->annotate_passwd, "");
  }
  return;
}
#endif

/* ---------------------- clear slate & include file ---------------------- */

static void do_slate (mo_window *win)
{
  /* Namestr has to be long, as passwd entries are now getting absurdly long. */
  char namestr[1024];
  char *name = get_pref_string(eDEFAULT_AUTHOR_NAME);

  sprintf(namestr, "%s (%s)", get_pref_string(eDEFAULT_AUTHOR_EMAIL), name);

  XmxTextSetString(win->annotate_author, namestr);

  sprintf(namestr, "Annotation by %s", name);

  XmxTextSetString(win->annotate_title, namestr);

#ifdef GRPAN_PASSWD
  XmxTextSetString(win->annotate_passwd, "");
#endif
  XmxTextSetString(win->annotate_text, "");

  return;
}

static XmxCallback (include_fsb_cb)
{
  FILE *fp;
  long pos;
  char *fname, *status;
  char efname[MO_LINE_LENGTH];
  char line[MO_LINE_LENGTH];
  mo_window *win = mo_fetch_window_by_id(XmxExtractUniqid((int)client_data));

  if (!win)
      return;

  XtUnmanageChild(win->include_fsb);
  
  XmStringGetLtoR(((XmFileSelectionBoxCallbackStruct *)call_data)->value,
                  XmSTRING_DEFAULT_CHARSET, &fname);
  pathEval(efname, fname);
  XtFree(fname);

  if (!(fp = fopen(efname, "r"))) {
#ifndef VMS
        char *buf = my_strerror(errno);
	char *final;
	char tmpbuf[80];
	int final_len;

        if (!buf || !*buf || !strcmp(buf, "Error 0")) {
                sprintf(tmpbuf, "Unknown Error");
                buf = tmpbuf;
	}
        final_len = 30 + ((!efname || !*efname ? 3 : strlen(efname)) + 13) +
		    15 + (strlen(buf) + 13);
        final = (char *)malloc(final_len);

	sprintf(final, "\nUnable to Open File:\n   %s\n\nOpen Error:\n   %s\n",
		!efname || !*efname ? " " : efname, buf);
	XmxMakeErrorDialog(win->annotate_win, final, "Annotation Open Error");

	if (final)
		free(final);
#else
        char str[1024];

        sprintf(str, "Unable to Open File: %s\nOpen Error: %s",
        	efname, strerror(errno, vaxc$errno));
        XmxMakeErrorDialog(win->annotate_win, str, "Open Error");
#endif /* VMS, GEC */
        return;
  }
  
  while (1) {
      status = fgets(line, MO_LINE_LENGTH, fp);
      if (!status || !*line)
          break;
      XmTextInsert(win->annotate_text,
                   pos = XmTextGetInsertionPosition(win->annotate_text), line);
      /* Move insertion position to past this line to avoid inserting
       * the lines in reverse order */
      XmTextSetInsertionPosition(win->annotate_text, pos + strlen(line));
  }
  return;
}

static XmxCallback (include_button_cb)
{
  mo_window *win = mo_fetch_window_by_id(XmxExtractUniqid((int)client_data));

  if (!win->include_fsb) {
      win->include_fsb = XmxMakeFileSBDialog(win->annotate_win,
         			       "VMS Mosaic: Include File In Annotation",
         			       "Name of file to include:",
         			       include_fsb_cb, 0);
  } else {
      XmFileSelectionDoSearch(win->include_fsb, NULL);
  }
  XmxManageRemanage(win->include_fsb);

  return;
}

static XmxCallback (clear_button_cb)
{
  do_slate(mo_fetch_window_by_id(XmxExtractUniqid((int)client_data)));

  return;
}

/* ------------------------- mo_delete_annotation ------------------------- */

mo_status mo_delete_annotation (mo_window *win, int id)
{
  /* Delete the annotation currently being viewed. */
  if (!win->current_node)
      return mo_fail;

  mo_delete_pan(id);
  
  /* Now that we've deleted the annotation, take care of
   * business.  Damn, but this shouldn't have to happen here. */
  if (win->current_node->previous) {
      mo_node *prev = win->current_node->previous;
      
      mo_kill_node_descendents(win, prev);
      prev->next = NULL;
      win->current_node = prev;
      /* Set the text. */
      mo_reload_window_text(win, 0);
  } else {
      /* No previous node; this only happens if someone's dumb enough
       * to have his/her home document be a personal annotation which
       * he/she then deletes. */
      mo_kill_node_descendents(win, win->current_node);
      mo_kill_node(win, win->current_node);
      win->current_node = NULL;
      win->history = NULL;

      mo_load_window_text(win, home_document, NULL);
  }
  return mo_succeed;
}


mo_status mo_delete_group_annotation (mo_window *win, char *url)
{
  /* Delete the annotation currently being viewed. */
  char *tmpurl;

  if (!win->current_node)
      return mo_fail;

  tmpurl = mo_url_canonicalize(url, "");
  mo_delete_grpan(tmpurl);
  free(tmpurl);

  /* Now that we've deleted the annotation, take care of
   * business.  Damn, but this shouldn't have to happen here. */
  if (win->current_node->previous) {
      mo_node *prev = win->current_node->previous;
      
      mo_kill_node_descendents(win, prev);
      prev->next = NULL;
      win->current_node = prev;
      /* Set the text. */
      mo_reload_window_text(win, 0);
  } else {
      /* No previous node; this only happens if someone's dumb enough
       * to have his/her home document be a group annotation which
       * he/she then deletes. */
      mo_kill_node_descendents(win, win->current_node);
      mo_kill_node(win, win->current_node);
      win->current_node = NULL;
      win->history = NULL;

      mo_load_window_text(win, home_document, NULL);
  }
  return mo_succeed;
}

static XmxCallback (delete_button_cb)
{
  mo_window *win = mo_fetch_window_by_id(XmxExtractUniqid((int)client_data));

  XtUnmanageChild(win->annotate_win);

  if (!win->current_node)
      return;

  if (win->current_node->annotation_type == mo_annotation_private) {
      mo_delete_annotation(win, win->editing_id);
  } else if (win->current_node->annotation_type == mo_annotation_workgroup) {
      mo_delete_group_annotation(win, win->current_node->url);
  }
  return;
}

/* ---------------------------- public/private ---------------------------- */

XmxOptionMenuStruct *pubpri_opts;

#ifdef GRPAN_PASSWD
static void do_privacy (mo_window *win)
{
  /* If pubpri = mo_annotation_public, unfreeze the appropriate
   * GUI pieces.  Else, freeze 'em. */
  if (win->pubpri == mo_annotation_public ||
      win->pubpri == mo_annotation_workgroup) {
      /* Match current state */
      if (XmToggleButtonGetState(win->passwd_toggle)) {
          XmxSetSensitive(win->passwd_label, XmxSensitive);
          XmxSetSensitive(win->annotate_passwd, XmxSensitive);
      }
      XmxSetSensitive(win->passwd_toggle, XmxSensitive);
      XtVaSetValues(win->passwd_toggle, XmNfillOnSelect, True, NULL);
  } else {
      /* We're private.  No password, nohow. */
      XmxSetSensitive(win->passwd_label, XmxNotSensitive);
      XmxSetSensitive(win->annotate_passwd, XmxNotSensitive);
      XmxTextSetString(win->annotate_passwd, "");
      XmxSetSensitive(win->passwd_toggle, XmxNotSensitive);
      XtVaSetValues(win->passwd_toggle, XmNfillOnSelect, False, NULL);
  }
  return;
}
#endif

static XmxCallback (pubpri_opts_cb)
{
  mo_window *win = mo_fetch_window_by_id(XmxExtractUniqid((int)client_data));
  
  win->pubpri = XmxExtractToken((int)client_data);

#ifdef GRPAN_PASSWD
  do_privacy(win);
#endif

  return;
}

/*
 * OK, here's how we're gonna work this.
 *
 * There will still only be one annotate window per document view window.
 * The annotate window will either be in new_annotation or edit_annotation mode.
 * This mode will be stored in win->annotation_mode.
 * Only routines in this file will touch that mode.
 *
 * The mode will be set upon entry to mo_post_annotate_win.
 *
 * If mo_post_annotate_win is told it's supposed to edit,
 * then it installs title, author, text, etc. as it sees fit.
 *
 * If, while in edit mode, 'Clear Slate' gets hit,
 * mode flips to mo_edit_annotation regardless -- everything's wiped out.
 */

static void make_annotate_win (mo_window *win)
{
  Widget dialog_frame, dialog_sep, buttons_form, annotate_form;
  Widget logo, sep, author_label, title_label, text_label;
  Widget include_button, clear_button;
#ifdef GRPAN_PASSWD
  Widget passwd_frame, passwd_f;
#endif

  /* Create it for the first time. */
  XmxSetUniqid(win->id);
  XmxSetArg(XmNresizePolicy, XmRESIZE_GROW);
  win->annotate_win = XmxMakeFormDialog(win->base,
					"VMS Mosaic: Annotate Window");
  dialog_frame = XmxMakeFrame(win->annotate_win, XmxShadowOut);

  /* Constraints for base. */
  XmxSetConstraints
    (dialog_frame, XmATTACH_FORM, XmATTACH_FORM, XmATTACH_FORM, XmATTACH_FORM,
     NULL, NULL, NULL, NULL);

  /* Main form. */
  annotate_form = XmxMakeForm(dialog_frame);

  author_label = XmxMakeLabel(annotate_form, "Annotation Author:");
  win->annotate_author = XmxMakeTextField(annotate_form);

  title_label = XmxMakeLabel(annotate_form, "Annotation Title:");
  win->annotate_title = XmxMakeTextField(annotate_form);

  /* Let's just not do any of this stuff if we don't have
   * group annotations yet. */
  win->pubpri_menu = XmxRMakeOptionMenu(annotate_form, "", pubpri_opts_cb,
					pubpri_opts);
  XmxRSetSensitive(win->pubpri_menu, mo_annotation_public, XmxNotSensitive);
  if (!get_pref_string(eANNOTATION_SERVER))
      XmxRSetSensitive(win->pubpri_menu, mo_annotation_workgroup,
                       XmxNotSensitive);
  win->pubpri = mo_annotation_private;

#ifdef GRPAN_PASSWD
  /* --- Frame for the password fields. --- */
  XmxSetArg(XmNmarginWidth, 4);
  XmxSetArg(XmNmarginHeight, 4);
  XmxSetArg(XmNadjustLast, True);
  passwd_frame = XmxMakeFrame(annotate_form, XmxShadowEtchedOut);
  passwd_f = XmxMakeForm(passwd_frame);
  win->passwd_toggle = XmxMakeToggleButton(passwd_f, "Password Protection",
					   passwd_toggle_cb, 0);
  XmxSetToggleButton(win->passwd_toggle, XmxSet);

  win->passwd_label = XmxMakeLabel(passwd_f, "Password:");
  XmxSetArg(XmNcolumns, 20);
  win->annotate_passwd = XmxMakeTextField(passwd_f);

  XmxSetOffsets(win->passwd_toggle, 1, 0, 2, 10);
  XmxSetConstraints
    (win->passwd_toggle, XmATTACH_FORM, XmATTACH_FORM,
     XmATTACH_FORM, XmATTACH_NONE, NULL, NULL, NULL, NULL);
  XmxSetOffsets(win->passwd_label, 1, 0, 15, 10);
  XmxSetConstraints
    (win->passwd_label, XmATTACH_FORM, XmATTACH_FORM,
     XmATTACH_WIDGET, XmATTACH_NONE, NULL, NULL, win->passwd_toggle, NULL);
  XmxSetOffsets(win->annotate_passwd, 1, 0, 6, 6);
  XmxSetConstraints
    (win->annotate_passwd, XmATTACH_FORM, XmATTACH_FORM,
     XmATTACH_WIDGET, XmATTACH_FORM, NULL, NULL, win->passwd_label, NULL);
#endif

  logo = XmxMakeNamedLabel(annotate_form, NULL, "logo");
  XmxApplyBitmapToLabelWidget(logo, annotate_bits, annotate_width,
			      annotate_height);
  sep = XmxMakeHorizontalSeparator(annotate_form);

  text_label = XmxMakeLabel(annotate_form, "Enter the annotation text:");

  clear_button = XmxMakePushButton(annotate_form, "Clean Slate",
				   clear_button_cb, 0);
  include_button = XmxMakePushButton(annotate_form, "Include File...",
				     include_button_cb, 0);
  win->delete_button = XmxMakePushButton(annotate_form, "Delete",
					 delete_button_cb, 0);
  XmxSetArg(XmNscrolledWindowMarginWidth, 10);
  XmxSetArg(XmNscrolledWindowMarginHeight, 8);
  XmxSetArg(XmNcursorPositionVisible, True);
  XmxSetArg(XmNeditable, True);
  XmxSetArg(XmNeditMode, XmMULTI_LINE_EDIT);
  XmxSetArg(XmNrows, 15);
  XmxSetArg(XmNcolumns, 80);
  win->annotate_text = XmxMakeScrolledText(annotate_form);

  dialog_sep = XmxMakeHorizontalSeparator(annotate_form);

  buttons_form = XmxMakeFormAndThreeButtonsTight(annotate_form, annotate_win_cb,
						 "Save", "Dismiss", "Help...",
						 0, 1, 2);
  /* Constraints for annotate_form. */
  /* author_label: top form, bottom nothing,
   * left form, right nothing. */
  XmxSetOffsets(author_label, 14, 10, 10, 10);
  XmxSetConstraints
    (author_label, XmATTACH_FORM, XmATTACH_NONE, XmATTACH_FORM, XmATTACH_NONE,
     NULL, NULL, NULL, NULL);
  /* annotate_author: top form, bottom nothing,
   * left author_label, right logo. */
  XmxSetOffsets(win->annotate_author, 10, 10, 10, 10);
  XmxSetConstraints
    (win->annotate_author, XmATTACH_FORM, XmATTACH_NONE,
     XmATTACH_WIDGET, XmATTACH_WIDGET,
     NULL, NULL, author_label, logo);
  /* title_label: top annotate_author, bottom nothing,
   * left form, right nothing */
  XmxSetOffsets(title_label, 14, 10, 10, 10);
  XmxSetConstraints
    (title_label, XmATTACH_WIDGET, XmATTACH_NONE, XmATTACH_FORM, XmATTACH_NONE, 
     win->annotate_author, NULL, NULL, NULL);
  /* annotate_title: top annotate_author, bottom nothing,
   * left title_label, right logo. */
  XmxSetOffsets(win->annotate_title, 10, 10, 10, 10);
  XmxSetConstraints
    (win->annotate_title, XmATTACH_WIDGET, XmATTACH_NONE,
     XmATTACH_WIDGET, XmATTACH_WIDGET,
     win->annotate_author, NULL, title_label, logo);
#ifdef GRPAN_PASSWD
  XmxSetOffsets(win->pubpri_menu->base, 19, 10, 0, 10);
#else
  XmxSetOffsets(win->pubpri_menu->base, 10, 10, 0, 10);
#endif
  XmxSetConstraints
    (win->pubpri_menu->base, XmATTACH_WIDGET, XmATTACH_NONE,
     XmATTACH_FORM, XmATTACH_NONE,
     win->annotate_title, NULL, NULL, NULL);
#ifdef GRPAN_PASSWD
  /* passwd_frame: top annotate_title, bottom nothing,
   * left pubpri_menu, right form */
  XmxSetOffsets(passwd_frame, 10, 10, 10, 10);
  XmxSetConstraints
    (passwd_frame, XmATTACH_WIDGET, XmATTACH_NONE,
     XmATTACH_WIDGET, XmATTACH_FORM,
     win->annotate_title, NULL, win->pubpri_menu->base, NULL);
  XmxSetOffsets(sep, 10, 0, 0, 0);
  XmxSetConstraints
    (sep, XmATTACH_WIDGET, XmATTACH_NONE, XmATTACH_FORM, XmATTACH_FORM,
     passwd_frame, NULL, NULL, NULL);
#else /* not GRPAN_PASSWD */
  XmxSetOffsets(sep, 10, 0, 0, 0);
  XmxSetConstraints
    (sep, XmATTACH_WIDGET, XmATTACH_NONE, XmATTACH_FORM, XmATTACH_FORM,
     win->pubpri_menu->base, NULL, NULL, NULL);
#endif /* not GRPAN_PASSWD */

  /* text_label: top sep, bottom nothing,
   * left form, right nothing */
  XmxSetOffsets(text_label, 12, 0, 10, 10);
  XmxSetConstraints
    (text_label, XmATTACH_WIDGET, XmATTACH_NONE, XmATTACH_FORM, XmATTACH_NONE,
     sep, NULL, NULL, NULL);

  /* Buttons */
  XmxSetOffsets(clear_button, 8, 0, 0, 3);
  XmxSetConstraints
    (clear_button, XmATTACH_WIDGET, XmATTACH_NONE,
     XmATTACH_NONE, XmATTACH_WIDGET,
     sep, NULL, NULL, include_button);
  XmxSetOffsets(include_button, 8, 0, 0, 3);
  XmxSetConstraints
    (include_button, XmATTACH_WIDGET, XmATTACH_NONE,
     XmATTACH_NONE, XmATTACH_WIDGET,
     sep, NULL, NULL, win->delete_button);
  XmxSetOffsets(win->delete_button, 8, 0, 10, 10);
  XmxSetConstraints
    (win->delete_button, XmATTACH_WIDGET, XmATTACH_NONE,
     XmATTACH_NONE, XmATTACH_FORM,
     sep, NULL, NULL, NULL);

  /* logo: top form, bottom nothing,
   * left nothing, right form. */
  XmxSetOffsets(logo, 5, 10, 10, 5);
  XmxSetConstraints
    (logo, XmATTACH_FORM, XmATTACH_NONE, XmATTACH_NONE, XmATTACH_FORM,
     NULL, NULL, NULL, NULL);

  XmxSetOffsets(XtParent(win->annotate_text), 0, 2, 0, 0);
  XmxSetConstraints
    (XtParent(win->annotate_text), XmATTACH_WIDGET, XmATTACH_WIDGET,
     XmATTACH_FORM, XmATTACH_FORM,
     text_label, dialog_sep, NULL, NULL);

  XmxSetArg(XmNtopOffset, 10);
  XmxSetConstraints
    (dialog_sep, XmATTACH_NONE, XmATTACH_WIDGET, XmATTACH_FORM, XmATTACH_FORM,
     NULL, buttons_form, NULL, NULL);
  XmxSetConstraints
    (buttons_form, XmATTACH_NONE, XmATTACH_FORM, XmATTACH_FORM,  XmATTACH_FORM,
     NULL, NULL, NULL, NULL);

  XtRealizeWidget(win->annotate_win);
  do_slate(win);
#ifdef GRPAN_PASSWD
  do_privacy(win);
#endif

  return;
}


/* For editing, we should pass in:
 *   (x) a flag to indicate that we're editing
 *   (a) the URL we're annotation
 *   (b) the ID of the current annotation
 *   (c) the starting Title
 *   (d) the starting Author
 *   (e) the starting Text.
 *   (f) the original filename (probably not needed).
 *
 * If editflag is high, then:
 *   - window title should change (to Edit Annotation)
 *   - 'Annotate' should change to 'Commit'.
 * Right now this doesn't happen.
 */
mo_status mo_post_annotate_win(mo_window *win, int edit_flag, int id,
			       char *title, char *author, char *text,
			       char *fname)
{
  if (!win->current_node)
      return mo_fail;

  /* First thing we do is create the window if it doesn't exist yet. */
  if (!win->annotate_win)
      make_annotate_win(win);

  /* If we're in edit mode, then do the right thing. */
  if (edit_flag) {
      set_annotation_mode(win, mo_edit_annotation);
      win->editing_id = id;
      /*
       * When editing an annotation, we need to set pubpri
       * properly so the right thing happens when we hit commit.
       */
      if (win->current_node->annotation_type == mo_annotation_private) {
          win->pubpri = mo_annotation_private;
      } else if (win->current_node->annotation_type == mo_annotation_workgroup){
          win->pubpri = mo_annotation_workgroup;
      }
      XmxRSetOptionMenuHistory(win->pubpri_menu, win->pubpri);

      XmxTextSetString(win->annotate_author, author);
      XmxTextSetString(win->annotate_title, title);
#ifdef GRPAN_PASSWD
      XmxTextSetString(win->annotate_passwd, "");
#endif
      XmxTextSetString(win->annotate_text, text);
      XmTextSetTopCharacter(win->annotate_text, 0);
  } else {
      set_annotation_mode(win, mo_new_annotation);
  }

  /* Finally, we manage. */
  XmxManageRemanage(win->annotate_win);

  return mo_succeed;
}
