1 /**************************************************************************** 2 * Copyright (c) 1998 Free Software Foundation, Inc. * 3 * * 4 * Permission is hereby granted, free of charge, to any person obtaining a * 5 * copy of this software and associated documentation files (the * 6 * "Software"), to deal in the Software without restriction, including * 7 * without limitation the rights to use, copy, modify, merge, publish, * 8 * distribute, distribute with modifications, sublicense, and/or sell * 9 * copies of the Software, and to permit persons to whom the Software is * 10 * furnished to do so, subject to the following conditions: * 11 * * 12 * The above copyright notice and this permission notice shall be included * 13 * in all copies or substantial portions of the Software. * 14 * * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 22 * * 23 * Except as contained in this notice, the name(s) of the above copyright * 24 * holders shall not be used in advertising or otherwise to promote the * 25 * sale, use or other dealings in this Software without prior written * 26 * authorization. * 27 ****************************************************************************/ 28 29 /**************************************************************************** 30 * Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1995,1997 * 31 ****************************************************************************/ 32 33 #include "form.priv.h" 34 35 MODULE_ID("$Id: frm_page.c,v 1.5 1999/05/16 17:21:26 juergen Exp $") 36 37 /*--------------------------------------------------------------------------- 38 | Facility : libnform 39 | Function : int set_form_page(FORM * form,int page) 40 | 41 | Description : Set the page number of the form. 42 | 43 | Return Values : E_OK - success 44 | E_BAD_ARGUMENT - invalid form pointer or page number 45 | E_BAD_STATE - called from a hook routine 46 | E_INVALID_FIELD - current field can't be left 47 | E_SYSTEM_ERROR - system error 48 +--------------------------------------------------------------------------*/ 49 int set_form_page(FORM * form, int page) 50 { 51 int err = E_OK; 52 53 if ( !form || (page<0) || (page>=form->maxpage) ) 54 RETURN(E_BAD_ARGUMENT); 55 56 if (!(form->status & _POSTED)) 57 { 58 form->curpage = page; 59 form->current = _nc_First_Active_Field(form); 60 } 61 else 62 { 63 if (form->status & _IN_DRIVER) 64 err = E_BAD_STATE; 65 else 66 { 67 if (form->curpage != page) 68 { 69 if (!_nc_Internal_Validation(form)) 70 err = E_INVALID_FIELD; 71 else 72 { 73 Call_Hook(form,fieldterm); 74 Call_Hook(form,formterm); 75 err = _nc_Set_Form_Page(form,page,(FIELD *)0); 76 Call_Hook(form,forminit); 77 Call_Hook(form,fieldinit); 78 _nc_Refresh_Current_Field(form); 79 } 80 } 81 } 82 } 83 RETURN(err); 84 } 85 86 /*--------------------------------------------------------------------------- 87 | Facility : libnform 88 | Function : int form_page(const FORM * form) 89 | 90 | Description : Return the current page of the form. 91 | 92 | Return Values : >= 0 : current page number 93 | -1 : invalid form pointer 94 +--------------------------------------------------------------------------*/ 95 int form_page(const FORM * form) 96 { 97 return Normalize_Form(form)->curpage; 98 } 99 100 /* frm_page.c ends here */ 101