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    /*	$OpenBSD: frm_def.c,v 1.8 2015/01/23 22:48:51 krw Exp $	*/  | 
    
    
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    /****************************************************************************  | 
    
    
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     * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc.              *  | 
    
    
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     *                                                                          *  | 
    
    
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     * Permission is hereby granted, free of charge, to any person obtaining a  *  | 
    
    
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     * copy of this software and associated documentation files (the            *  | 
    
    
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     * "Software"), to deal in the Software without restriction, including      *  | 
    
    
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     * without limitation the rights to use, copy, modify, merge, publish,      *  | 
    
    
    9  | 
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     * distribute, distribute with modifications, sublicense, and/or sell       *  | 
    
    
    10  | 
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     * copies of the Software, and to permit persons to whom the Software is    *  | 
    
    
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     * furnished to do so, subject to the following conditions:                 *  | 
    
    
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     *                                                                          *  | 
    
    
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     * The above copyright notice and this permission notice shall be included  *  | 
    
    
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     * in all copies or substantial portions of the Software.                   *  | 
    
    
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     *                                                                          *  | 
    
    
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     * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *  | 
    
    
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     * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *  | 
    
    
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     * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *  | 
    
    
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     * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *  | 
    
    
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     * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *  | 
    
    
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     * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *  | 
    
    
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     * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *  | 
    
    
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     *                                                                          *  | 
    
    
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     * Except as contained in this notice, the name(s) of the above copyright   *  | 
    
    
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     * holders shall not be used in advertising or otherwise to promote the     *  | 
    
    
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     * sale, use or other dealings in this Software without prior written       *  | 
    
    
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     * authorization.                                                           *  | 
    
    
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     ****************************************************************************/  | 
    
    
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    /****************************************************************************  | 
    
    
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     *   Author:  Juergen Pfeifer, 1995,1997                                    *  | 
    
    
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     ****************************************************************************/  | 
    
    
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    #include "form.priv.h"  | 
    
    
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    MODULE_ID("$Id: frm_def.c,v 1.8 2015/01/23 22:48:51 krw Exp $") | 
    
    
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    /* this can't be readonly */  | 
    
    
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    static FORM default_form =  | 
    
    
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    { | 
    
    
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      0,				/* status     */  | 
    
    
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      0,				/* rows       */  | 
    
    
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      0,				/* cols       */  | 
    
    
    44  | 
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      0,				/* currow     */  | 
    
    
    45  | 
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      0,				/* curcol     */  | 
    
    
    46  | 
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      0,				/* toprow     */  | 
    
    
    47  | 
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      0,				/* begincol   */  | 
    
    
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      -1,				/* maxfield   */  | 
    
    
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      -1,				/* maxpage    */  | 
    
    
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      -1,				/* curpage    */  | 
    
    
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      ALL_FORM_OPTS,		/* opts       */  | 
    
    
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      (WINDOW *)0,			/* win        */  | 
    
    
    53  | 
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      (WINDOW *)0,			/* sub        */  | 
    
    
    54  | 
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      (WINDOW *)0,			/* w          */  | 
    
    
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      (FIELD **)0,			/* field      */  | 
    
    
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      (FIELD *)0,			/* current    */  | 
    
    
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      (_PAGE *) 0,			/* page       */  | 
    
    
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      (char *)0,			/* usrptr     */  | 
    
    
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      NULL,				/* forminit   */  | 
    
    
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      NULL,				/* formterm   */  | 
    
    
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      NULL,				/* fieldinit  */  | 
    
    
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      NULL				/* fieldterm  */  | 
    
    
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    };  | 
    
    
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    NCURSES_EXPORT_VAR(FORM *) _nc_Default_Form = &default_form;  | 
    
    
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    /*---------------------------------------------------------------------------  | 
    
    
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    |   Facility      :  libnform  | 
    
    
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    |   Function      :  static FIELD *Insert_Field_By_Position(  | 
    
    
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    |                                     FIELD *new_field,  | 
    
    
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    |                                     FIELD *head )  | 
    
    
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    |  | 
    
    
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    |   Description   :  Insert new_field into sorted fieldlist with head "head"  | 
    
    
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    |                    and return new head of sorted fieldlist. Sorting  | 
    
    
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    |                    criteria is (row,column). This is a circular list.  | 
    
    
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    |  | 
    
    
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    |   Return Values :  New head of sorted fieldlist  | 
    
    
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    +--------------------------------------------------------------------------*/  | 
    
    
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    static FIELD *  | 
    
    
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    Insert_Field_By_Position(FIELD *newfield, FIELD *head)  | 
    
    
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    { | 
    
    
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      FIELD *current, *newhead;  | 
    
    
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      assert(newfield);  | 
    
    
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      if (!head)  | 
    
    
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        {				/* empty list is trivial */ | 
    
    
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          newhead = newfield->snext = newfield->sprev = newfield;  | 
    
    
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        }  | 
    
    
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      else  | 
    
    
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        { | 
    
    
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          newhead = current = head;  | 
    
    
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          while ((current->frow < newfield->frow) ||  | 
    
    
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    	     ((current->frow == newfield->frow) &&  | 
    
    
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    	      (current->fcol < newfield->fcol)))  | 
    
    
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    	{ | 
    
    
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    	  current = current->snext;  | 
    
    
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    	  if (current == head)  | 
    
    
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    	    {			/* We cycled through. Reset head to indicate that */ | 
    
    
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    	      head = (FIELD *)0;  | 
    
    
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    	      break;  | 
    
    
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    	    }  | 
    
    
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    	}  | 
    
    
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          /* we leave the loop with current pointing to the field after newfield */  | 
    
    
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          newfield->snext = current;  | 
    
    
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          newfield->sprev = current->sprev;  | 
    
    
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          newfield->snext->sprev = newfield;  | 
    
    
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          newfield->sprev->snext = newfield;  | 
    
    
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          if (current == head)  | 
    
    
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    	newhead = newfield;  | 
    
    
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        }  | 
    
    
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      return (newhead);  | 
    
    
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    }  | 
    
    
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    /*---------------------------------------------------------------------------  | 
    
    
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    |   Facility      :  libnform  | 
    
    
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    |   Function      :  static void Disconnect_Fields(FORM *form)  | 
    
    
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    |  | 
    
    
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    |   Description   :  Break association between form and array of fields.  | 
    
    
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    |  | 
    
    
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    |   Return Values :  -  | 
    
    
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    +--------------------------------------------------------------------------*/  | 
    
    
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    static void  | 
    
    
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    Disconnect_Fields(FORM *form)  | 
    
    
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    { | 
    
    
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      if (form->field)  | 
    
    
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        { | 
    
    
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          FIELD **fields;  | 
    
    
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          for (fields = form->field; *fields; fields++)  | 
    
    
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    	{ | 
    
    
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    	  if (form == (*fields)->form)  | 
    
    
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    	    (*fields)->form = (FORM *)0;  | 
    
    
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    	}  | 
    
    
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          form->rows = form->cols = 0;  | 
    
    
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          form->maxfield = form->maxpage = -1;  | 
    
    
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          form->field = (FIELD **)0;  | 
    
    
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          if (form->page)  | 
    
    
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    	free(form->page);  | 
    
    
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          form->page = (_PAGE *) 0;  | 
    
    
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        }  | 
    
    
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    }  | 
    
    
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    /*---------------------------------------------------------------------------  | 
    
    
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    |   Facility      :  libnform  | 
    
    
    147  | 
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    |   Function      :  static int Connect_Fields(FORM *form, FIELD **fields)  | 
    
    
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    |  | 
    
    
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    |   Description   :  Set association between form and array of fields.  | 
    
    
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    |   Return Values :  E_OK            - no error  | 
    
    
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    |                    E_CONNECTED     - a field is already connected  | 
    
    
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    |                    E_BAD_ARGUMENT  - Invalid form pointer or field array  | 
    
    
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    |                    E_SYSTEM_ERROR  - not enough memory  | 
    
    
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    +--------------------------------------------------------------------------*/  | 
    
    
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    static int  | 
    
    
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    Connect_Fields(FORM *form, FIELD **fields)  | 
    
    
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    { | 
    
    
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      int field_cnt, j;  | 
    
    
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      int page_nr;  | 
    
    
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      int maximum_row_in_field, maximum_col_in_field;  | 
    
    
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      _PAGE *pg;  | 
    
    
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      T((T_CALLED("Connect_Fields(%p,%p)"), form, fields)); | 
    
    
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      assert(form);  | 
    
    
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      form->field = fields;  | 
    
    
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      form->maxfield = 0;  | 
    
    
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      form->maxpage = 0;  | 
    
    
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      if (!fields)  | 
    
    
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        RETURN(E_OK);  | 
    
    
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      page_nr = 0;  | 
    
    
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      /* store formpointer in fields and count pages */  | 
    
    
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      for (field_cnt = 0; fields[field_cnt]; field_cnt++)  | 
    
    
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        { | 
    
    
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          if (fields[field_cnt]->form)  | 
    
    
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    	RETURN(E_CONNECTED);  | 
    
    
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          if (field_cnt == 0 ||  | 
    
    
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    	  (fields[field_cnt]->status & _NEWPAGE))  | 
    
    
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    	page_nr++;  | 
    
    
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          fields[field_cnt]->form = form;  | 
    
    
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        }  | 
    
    
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      if (field_cnt == 0 || (short)field_cnt < 0)  | 
    
    
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        RETURN(E_BAD_ARGUMENT);  | 
    
    
    188  | 
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      /* allocate page structures */  | 
    
    
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      if ((pg = typeMalloc(_PAGE, page_nr)) != (_PAGE *) 0)  | 
    
    
    191  | 
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        { | 
    
    
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          T((T_CREATE("_PAGE %p"), pg)); | 
    
    
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          form->page = pg;  | 
    
    
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        }  | 
    
    
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      else  | 
    
    
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        RETURN(E_SYSTEM_ERROR);  | 
    
    
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      /* Cycle through fields and calculate page boundaries as well as  | 
    
    
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         size of the form */  | 
    
    
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      for (j = 0; j < field_cnt; j++)  | 
    
    
    201  | 
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        { | 
    
    
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          if (j == 0)  | 
    
    
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    	pg->pmin = j;  | 
    
    
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          else  | 
    
    
    205  | 
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    	{ | 
    
    
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    	  if (fields[j]->status & _NEWPAGE)  | 
    
    
    207  | 
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    	    { | 
    
    
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    	      pg->pmax = j - 1;  | 
    
    
    209  | 
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    	      pg++;  | 
    
    
    210  | 
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    	      pg->pmin = j;  | 
    
    
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    	    }  | 
    
    
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    	}  | 
    
    
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          maximum_row_in_field = fields[j]->frow + fields[j]->rows;  | 
    
    
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          maximum_col_in_field = fields[j]->fcol + fields[j]->cols;  | 
    
    
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          if (form->rows < maximum_row_in_field)  | 
    
    
    218  | 
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    	form->rows = maximum_row_in_field;  | 
    
    
    219  | 
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          if (form->cols < maximum_col_in_field)  | 
    
    
    220  | 
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    	form->cols = maximum_col_in_field;  | 
    
    
    221  | 
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        }  | 
    
    
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      pg->pmax = field_cnt - 1;  | 
    
    
    224  | 
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      form->maxfield = field_cnt;  | 
    
    
    225  | 
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      form->maxpage = page_nr;  | 
    
    
    226  | 
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    227  | 
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      /* Sort fields on form pages */  | 
    
    
    228  | 
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      for (page_nr = 0; page_nr < form->maxpage; page_nr++)  | 
    
    
    229  | 
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        { | 
    
    
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          FIELD *fld = (FIELD *)0;  | 
    
    
    231  | 
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    232  | 
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          for (j = form->page[page_nr].pmin; j <= form->page[page_nr].pmax; j++)  | 
    
    
    233  | 
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    	{ | 
    
    
    234  | 
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    	  fields[j]->index = j;  | 
    
    
    235  | 
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    	  fields[j]->page = page_nr;  | 
    
    
    236  | 
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    	  fld = Insert_Field_By_Position(fields[j], fld);  | 
    
    
    237  | 
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    	}  | 
    
    
    238  | 
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          if (fld)  | 
    
    
    239  | 
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    	{ | 
    
    
    240  | 
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    	  form->page[page_nr].smin = fld->index;  | 
    
    
    241  | 
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    	  form->page[page_nr].smax = fld->sprev->index;  | 
    
    
    242  | 
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    	}  | 
    
    
    243  | 
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          else  | 
    
    
    244  | 
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    	{ | 
    
    
    245  | 
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    	  form->page[page_nr].smin = 0;  | 
    
    
    246  | 
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    	  form->page[page_nr].smax = 0;  | 
    
    
    247  | 
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    	}  | 
    
    
    248  | 
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        }  | 
    
    
    249  | 
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      RETURN(E_OK);  | 
    
    
    250  | 
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    }  | 
    
    
    251  | 
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    252  | 
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    /*---------------------------------------------------------------------------  | 
    
    
    253  | 
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    |   Facility      :  libnform  | 
    
    
    254  | 
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    |   Function      :  static int Associate_Fields(FORM *form, FIELD **fields)  | 
    
    
    255  | 
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    |  | 
    
    
    256  | 
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    |   Description   :  Set association between form and array of fields.  | 
    
    
    257  | 
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    |                    If there are fields, position to first active field.  | 
    
    
    258  | 
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    |  | 
    
    
    259  | 
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    |   Return Values :  E_OK            - success  | 
    
    
    260  | 
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    |                    E_BAD_ARGUMENT  - Invalid form pointer or field array  | 
    
    
    261  | 
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    |                    E_CONNECTED     - a field is already connected  | 
    
    
    262  | 
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    |                    E_SYSTEM_ERROR  - not enough memory  | 
    
    
    263  | 
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     | 
    +--------------------------------------------------------------------------*/  | 
    
    
    264  | 
     | 
     | 
    NCURSES_INLINE static int  | 
    
    
    265  | 
     | 
     | 
    Associate_Fields(FORM *form, FIELD **fields)  | 
    
    
    266  | 
     | 
     | 
    { | 
    
    
    267  | 
     | 
     | 
      int res = Connect_Fields(form, fields);  | 
    
    
    268  | 
     | 
     | 
     | 
    
    
    269  | 
     | 
     | 
      if (res == E_OK)  | 
    
    
    270  | 
     | 
     | 
        { | 
    
    
    271  | 
     | 
     | 
          if (form->maxpage > 0)  | 
    
    
    272  | 
     | 
     | 
    	{ | 
    
    
    273  | 
     | 
     | 
    	  form->curpage = 0;  | 
    
    
    274  | 
     | 
     | 
    	  form_driver(form, FIRST_ACTIVE_MAGIC);  | 
    
    
    275  | 
     | 
     | 
    	}  | 
    
    
    276  | 
     | 
     | 
          else  | 
    
    
    277  | 
     | 
     | 
    	{ | 
    
    
    278  | 
     | 
     | 
    	  form->curpage = -1;  | 
    
    
    279  | 
     | 
     | 
    	  form->current = (FIELD *)0;  | 
    
    
    280  | 
     | 
     | 
    	}  | 
    
    
    281  | 
     | 
     | 
        }  | 
    
    
    282  | 
     | 
     | 
      return (res);  | 
    
    
    283  | 
     | 
     | 
    }  | 
    
    
    284  | 
     | 
     | 
     | 
    
    
    285  | 
     | 
     | 
    /*---------------------------------------------------------------------------  | 
    
    
    286  | 
     | 
     | 
    |   Facility      :  libnform  | 
    
    
    287  | 
     | 
     | 
    |   Function      :  FORM *new_form( FIELD **fields )  | 
    
    
    288  | 
     | 
     | 
    |  | 
    
    
    289  | 
     | 
     | 
    |   Description   :  Create new form with given array of fields.  | 
    
    
    290  | 
     | 
     | 
    |  | 
    
    
    291  | 
     | 
     | 
    |   Return Values :  Pointer to form. NULL if error occurred.  | 
    
    
    292  | 
     | 
     | 
    !                    Set errno:  | 
    
    
    293  | 
     | 
     | 
    |                    E_OK            - success  | 
    
    
    294  | 
     | 
     | 
    |                    E_BAD_ARGUMENT  - Invalid form pointer or field array  | 
    
    
    295  | 
     | 
     | 
    |                    E_CONNECTED     - a field is already connected  | 
    
    
    296  | 
     | 
     | 
    |                    E_SYSTEM_ERROR  - not enough memory  | 
    
    
    297  | 
     | 
     | 
    +--------------------------------------------------------------------------*/  | 
    
    
    298  | 
     | 
     | 
    NCURSES_EXPORT(FORM *)  | 
    
    
    299  | 
     | 
     | 
    new_form(FIELD **fields)  | 
    
    
    300  | 
     | 
     | 
    { | 
    
    
    301  | 
     | 
     | 
      int err = E_SYSTEM_ERROR;  | 
    
    
    302  | 
     | 
     | 
     | 
    
    
    303  | 
     | 
     | 
      FORM *form = typeMalloc(FORM, 1);  | 
    
    
    304  | 
     | 
     | 
     | 
    
    
    305  | 
     | 
     | 
      T((T_CALLED("new_form(%p)"), fields)); | 
    
    
    306  | 
     | 
     | 
      if (form)  | 
    
    
    307  | 
     | 
     | 
        { | 
    
    
    308  | 
     | 
     | 
          T((T_CREATE("form %p"), form)); | 
    
    
    309  | 
     | 
     | 
          *form = *_nc_Default_Form;  | 
    
    
    310  | 
     | 
     | 
          if ((err = Associate_Fields(form, fields)) != E_OK)  | 
    
    
    311  | 
     | 
     | 
    	{ | 
    
    
    312  | 
     | 
     | 
    	  free_form(form);  | 
    
    
    313  | 
     | 
     | 
    	  form = (FORM *)0;  | 
    
    
    314  | 
     | 
     | 
    	}  | 
    
    
    315  | 
     | 
     | 
        }  | 
    
    
    316  | 
     | 
     | 
     | 
    
    
    317  | 
     | 
     | 
      if (!form)  | 
    
    
    318  | 
     | 
     | 
        SET_ERROR(err);  | 
    
    
    319  | 
     | 
     | 
     | 
    
    
    320  | 
     | 
     | 
      returnForm(form);  | 
    
    
    321  | 
     | 
     | 
    }  | 
    
    
    322  | 
     | 
     | 
     | 
    
    
    323  | 
     | 
     | 
    /*---------------------------------------------------------------------------  | 
    
    
    324  | 
     | 
     | 
    |   Facility      :  libnform  | 
    
    
    325  | 
     | 
     | 
    |   Function      :  int free_form( FORM *form )  | 
    
    
    326  | 
     | 
     | 
    |  | 
    
    
    327  | 
     | 
     | 
    |   Description   :  Release internal memory associated with form.  | 
    
    
    328  | 
     | 
     | 
    |  | 
    
    
    329  | 
     | 
     | 
    |   Return Values :  E_OK           - no error  | 
    
    
    330  | 
     | 
     | 
    |                    E_BAD_ARGUMENT - invalid form pointer  | 
    
    
    331  | 
     | 
     | 
    |                    E_POSTED       - form is posted  | 
    
    
    332  | 
     | 
     | 
    +--------------------------------------------------------------------------*/  | 
    
    
    333  | 
     | 
     | 
    NCURSES_EXPORT(int)  | 
    
    
    334  | 
     | 
     | 
    free_form(FORM *form)  | 
    
    
    335  | 
     | 
     | 
    { | 
    
    
    336  | 
     | 
     | 
      T((T_CALLED("free_form(%p)"), form)); | 
    
    
    337  | 
     | 
     | 
     | 
    
    
    338  | 
     | 
     | 
      if (!form)  | 
    
    
    339  | 
     | 
     | 
        RETURN(E_BAD_ARGUMENT);  | 
    
    
    340  | 
     | 
     | 
     | 
    
    
    341  | 
     | 
     | 
      if (form->status & _POSTED)  | 
    
    
    342  | 
     | 
     | 
        RETURN(E_POSTED);  | 
    
    
    343  | 
     | 
     | 
     | 
    
    
    344  | 
     | 
     | 
      Disconnect_Fields(form);  | 
    
    
    345  | 
     | 
     | 
      if (form->page)  | 
    
    
    346  | 
     | 
     | 
        free(form->page);  | 
    
    
    347  | 
     | 
     | 
      free(form);  | 
    
    
    348  | 
     | 
     | 
     | 
    
    
    349  | 
     | 
     | 
      RETURN(E_OK);  | 
    
    
    350  | 
     | 
     | 
    }  | 
    
    
    351  | 
     | 
     | 
     | 
    
    
    352  | 
     | 
     | 
    /*---------------------------------------------------------------------------  | 
    
    
    353  | 
     | 
     | 
    |   Facility      :  libnform  | 
    
    
    354  | 
     | 
     | 
    |   Function      :  int set_form_fields( FORM *form, FIELD **fields )  | 
    
    
    355  | 
     | 
     | 
    |  | 
    
    
    356  | 
     | 
     | 
    |   Description   :  Set a new association of an array of fields to a form  | 
    
    
    357  | 
     | 
     | 
    |  | 
    
    
    358  | 
     | 
     | 
    |   Return Values :  E_OK            - no error  | 
    
    
    359  | 
     | 
     | 
    |                    E_BAD_ARGUMENT  - Invalid form pointer or field array  | 
    
    
    360  | 
     | 
     | 
    |                    E_CONNECTED     - a field is already connected  | 
    
    
    361  | 
     | 
     | 
    |                    E_POSTED        - form is posted  | 
    
    
    362  | 
     | 
     | 
    |                    E_SYSTEM_ERROR  - not enough memory  | 
    
    
    363  | 
     | 
     | 
    +--------------------------------------------------------------------------*/  | 
    
    
    364  | 
     | 
     | 
    NCURSES_EXPORT(int)  | 
    
    
    365  | 
     | 
     | 
    set_form_fields(FORM *form, FIELD **fields)  | 
    
    
    366  | 
     | 
     | 
    { | 
    
    
    367  | 
     | 
     | 
      FIELD **old;  | 
    
    
    368  | 
     | 
     | 
      int res;  | 
    
    
    369  | 
     | 
     | 
     | 
    
    
    370  | 
     | 
     | 
      T((T_CALLED("set_form_fields(%p,%p)"), form, fields)); | 
    
    
    371  | 
     | 
     | 
     | 
    
    
    372  | 
     | 
     | 
      if (!form)  | 
    
    
    373  | 
     | 
     | 
        RETURN(E_BAD_ARGUMENT);  | 
    
    
    374  | 
     | 
     | 
     | 
    
    
    375  | 
     | 
     | 
      if (form->status & _POSTED)  | 
    
    
    376  | 
     | 
     | 
        RETURN(E_POSTED);  | 
    
    
    377  | 
     | 
     | 
     | 
    
    
    378  | 
     | 
     | 
      old = form->field;  | 
    
    
    379  | 
     | 
     | 
      Disconnect_Fields(form);  | 
    
    
    380  | 
     | 
     | 
     | 
    
    
    381  | 
     | 
     | 
      if ((res = Associate_Fields(form, fields)) != E_OK)  | 
    
    
    382  | 
     | 
     | 
        Connect_Fields(form, old);  | 
    
    
    383  | 
     | 
     | 
     | 
    
    
    384  | 
     | 
     | 
      RETURN(res);  | 
    
    
    385  | 
     | 
     | 
    }  | 
    
    
    386  | 
     | 
     | 
     | 
    
    
    387  | 
     | 
     | 
    /*---------------------------------------------------------------------------  | 
    
    
    388  | 
     | 
     | 
    |   Facility      :  libnform  | 
    
    
    389  | 
     | 
     | 
    |   Function      :  FIELD **form_fields( const FORM *form )  | 
    
    
    390  | 
     | 
     | 
    |  | 
    
    
    391  | 
     | 
     | 
    |   Description   :  Retrieve array of fields  | 
    
    
    392  | 
     | 
     | 
    |  | 
    
    
    393  | 
     | 
     | 
    |   Return Values :  Pointer to field array  | 
    
    
    394  | 
     | 
     | 
    +--------------------------------------------------------------------------*/  | 
    
    
    395  | 
     | 
     | 
    NCURSES_EXPORT(FIELD **)  | 
    
    
    396  | 
     | 
     | 
    form_fields(const FORM *form)  | 
    
    
    397  | 
     | 
     | 
    { | 
    
    
    398  | 
     | 
     | 
      T((T_CALLED("form_field(%p)"), form)); | 
    
    
    399  | 
     | 
     | 
      returnFieldPtr(Normalize_Form(form)->field);  | 
    
    
    400  | 
     | 
     | 
    }  | 
    
    
    401  | 
     | 
     | 
     | 
    
    
    402  | 
     | 
     | 
    /*---------------------------------------------------------------------------  | 
    
    
    403  | 
     | 
     | 
    |   Facility      :  libnform  | 
    
    
    404  | 
     | 
     | 
    |   Function      :  int field_count( const FORM *form )  | 
    
    
    405  | 
     | 
     | 
    |  | 
    
    
    406  | 
     | 
     | 
    |   Description   :  Retrieve number of fields  | 
    
    
    407  | 
     | 
     | 
    |  | 
    
    
    408  | 
     | 
     | 
    |   Return Values :  Number of fields, -1 if none are defined  | 
    
    
    409  | 
     | 
     | 
    +--------------------------------------------------------------------------*/  | 
    
    
    410  | 
     | 
     | 
    NCURSES_EXPORT(int)  | 
    
    
    411  | 
     | 
     | 
    field_count(const FORM *form)  | 
    
    
    412  | 
     | 
     | 
    { | 
    
    
    413  | 
     | 
     | 
      T((T_CALLED("field_count(%p)"), form)); | 
    
    
    414  | 
     | 
     | 
     | 
    
    
    415  | 
     | 
     | 
      returnCode(Normalize_Form(form)->maxfield);  | 
    
    
    416  | 
     | 
     | 
    }  | 
    
    
    417  | 
     | 
     | 
     | 
    
    
    418  | 
     | 
     | 
    /* frm_def.c ends here */  |