1 /**************************************************************************** 2 * Copyright (c) 1998-2003,2004 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, 1995,1997 * 31 ****************************************************************************/ 32 33 #include "form.priv.h" 34 35 MODULE_ID("$Id: frm_page.c,v 1.10 2004/12/11 22:08:21 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 T((T_CALLED("set_form_page(%p,%d)"), form, page)); 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 T((T_CALLED("form_page(%p)"), form)); 102 103 returnCode(Normalize_Form(form)->curpage); 104 } 105 106 /* frm_page.c ends here */ 107