1 /* $OpenBSD: frm_page.c,v 1.4 2001/01/22 18:02:15 millert Exp $ */ 2 3 /**************************************************************************** 4 * Copyright (c) 1998,2000 Free Software Foundation, Inc. * 5 * * 6 * Permission is hereby granted, free of charge, to any person obtaining a * 7 * copy of this software and associated documentation files (the * 8 * "Software"), to deal in the Software without restriction, including * 9 * without limitation the rights to use, copy, modify, merge, publish, * 10 * distribute, distribute with modifications, sublicense, and/or sell * 11 * copies of the Software, and to permit persons to whom the Software is * 12 * furnished to do so, subject to the following conditions: * 13 * * 14 * The above copyright notice and this permission notice shall be included * 15 * in all copies or substantial portions of the Software. * 16 * * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 20 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 21 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 22 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 23 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 24 * * 25 * Except as contained in this notice, the name(s) of the above copyright * 26 * holders shall not be used in advertising or otherwise to promote the * 27 * sale, use or other dealings in this Software without prior written * 28 * authorization. * 29 ****************************************************************************/ 30 31 /**************************************************************************** 32 * Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1995,1997 * 33 ****************************************************************************/ 34 35 #include "form.priv.h" 36 37 MODULE_ID("$From: frm_page.c,v 1.6 2000/12/10 02:09:37 tom Exp $") 38 39 /*--------------------------------------------------------------------------- 40 | Facility : libnform 41 | Function : int set_form_page(FORM * form,int page) 42 | 43 | Description : Set the page number of the form. 44 | 45 | Return Values : E_OK - success 46 | E_BAD_ARGUMENT - invalid form pointer or page number 47 | E_BAD_STATE - called from a hook routine 48 | E_INVALID_FIELD - current field can't be left 49 | E_SYSTEM_ERROR - system error 50 +--------------------------------------------------------------------------*/ 51 NCURSES_EXPORT(int) 52 set_form_page (FORM * form, int page) 53 { 54 int err = E_OK; 55 56 if ( !form || (page<0) || (page>=form->maxpage) ) 57 RETURN(E_BAD_ARGUMENT); 58 59 if (!(form->status & _POSTED)) 60 { 61 form->curpage = page; 62 form->current = _nc_First_Active_Field(form); 63 } 64 else 65 { 66 if (form->status & _IN_DRIVER) 67 err = E_BAD_STATE; 68 else 69 { 70 if (form->curpage != page) 71 { 72 if (!_nc_Internal_Validation(form)) 73 err = E_INVALID_FIELD; 74 else 75 { 76 Call_Hook(form,fieldterm); 77 Call_Hook(form,formterm); 78 err = _nc_Set_Form_Page(form,page,(FIELD *)0); 79 Call_Hook(form,forminit); 80 Call_Hook(form,fieldinit); 81 _nc_Refresh_Current_Field(form); 82 } 83 } 84 } 85 } 86 RETURN(err); 87 } 88 89 /*--------------------------------------------------------------------------- 90 | Facility : libnform 91 | Function : int form_page(const FORM * form) 92 | 93 | Description : Return the current page of the form. 94 | 95 | Return Values : >= 0 : current page number 96 | -1 : invalid form pointer 97 +--------------------------------------------------------------------------*/ 98 NCURSES_EXPORT(int) 99 form_page (const FORM * form) 100 { 101 return Normalize_Form(form)->curpage; 102 } 103 104 /* frm_page.c ends here */ 105