1 /**************************************************************************** 2 * Copyright (c) 1998,2000 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 1.6 2000/12/10 02:09:37 tom 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 NCURSES_EXPORT(int) 50 set_form_page (FORM * form, int page) 51 { 52 int err = E_OK; 53 54 if ( !form || (page<0) || (page>=form->maxpage) ) 55 RETURN(E_BAD_ARGUMENT); 56 57 if (!(form->status & _POSTED)) 58 { 59 form->curpage = page; 60 form->current = _nc_First_Active_Field(form); 61 } 62 else 63 { 64 if (form->status & _IN_DRIVER) 65 err = E_BAD_STATE; 66 else 67 { 68 if (form->curpage != page) 69 { 70 if (!_nc_Internal_Validation(form)) 71 err = E_INVALID_FIELD; 72 else 73 { 74 Call_Hook(form,fieldterm); 75 Call_Hook(form,formterm); 76 err = _nc_Set_Form_Page(form,page,(FIELD *)0); 77 Call_Hook(form,forminit); 78 Call_Hook(form,fieldinit); 79 _nc_Refresh_Current_Field(form); 80 } 81 } 82 } 83 } 84 RETURN(err); 85 } 86 87 /*--------------------------------------------------------------------------- 88 | Facility : libnform 89 | Function : int form_page(const FORM * form) 90 | 91 | Description : Return the current page of the form. 92 | 93 | Return Values : >= 0 : current page number 94 | -1 : invalid form pointer 95 +--------------------------------------------------------------------------*/ 96 NCURSES_EXPORT(int) 97 form_page (const FORM * form) 98 { 99 return Normalize_Form(form)->curpage; 100 } 101 102 /* frm_page.c ends here */ 103