1 /**************************************************************************** 2 * Copyright 2020,2021 Thomas E. Dickey * 3 * Copyright 1998-2010,2012 Free Software Foundation, Inc. * 4 * * 5 * Permission is hereby granted, free of charge, to any person obtaining a * 6 * copy of this software and associated documentation files (the * 7 * "Software"), to deal in the Software without restriction, including * 8 * without limitation the rights to use, copy, modify, merge, publish, * 9 * distribute, distribute with modifications, sublicense, and/or sell * 10 * copies of the Software, and to permit persons to whom the Software is * 11 * furnished to do so, subject to the following conditions: * 12 * * 13 * The above copyright notice and this permission notice shall be included * 14 * in all copies or substantial portions of the Software. * 15 * * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 19 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 22 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 23 * * 24 * Except as contained in this notice, the name(s) of the above copyright * 25 * holders shall not be used in advertising or otherwise to promote the * 26 * sale, use or other dealings in this Software without prior written * 27 * authorization. * 28 ****************************************************************************/ 29 30 /**************************************************************************** 31 * Author: Juergen Pfeifer, 1995,1997 * 32 ****************************************************************************/ 33 34 #include "form.priv.h" 35 36 MODULE_ID("$Id: frm_page.c,v 1.15 2021/06/17 21:20:30 tom Exp $") 37 38 /*--------------------------------------------------------------------------- 39 | Facility : libnform 40 | Function : int set_form_page(FORM * form,int page) 41 | 42 | Description : Set the page number of the form. 43 | 44 | Return Values : E_OK - success 45 | E_BAD_ARGUMENT - invalid form pointer or page number 46 | E_BAD_STATE - called from a hook routine 47 | E_INVALID_FIELD - current field can't be left 48 | E_SYSTEM_ERROR - system error 49 +--------------------------------------------------------------------------*/ 50 FORM_EXPORT(int) 51 set_form_page(FORM *form, int page) 52 { 53 int err = E_OK; 54 55 T((T_CALLED("set_form_page(%p,%d)"), (void *)form, page)); 56 57 if (!form || (page < 0) || (page >= form->maxpage)) 58 RETURN(E_BAD_ARGUMENT); 59 60 if (!(form->status & _POSTED)) 61 { 62 form->curpage = (short)page; 63 form->current = _nc_First_Active_Field(form); 64 } 65 else 66 { 67 if (form->status & _IN_DRIVER) 68 err = E_BAD_STATE; 69 else 70 { 71 if (form->curpage != page) 72 { 73 if (!_nc_Internal_Validation(form)) 74 err = E_INVALID_FIELD; 75 else 76 { 77 Call_Hook(form, fieldterm); 78 Call_Hook(form, formterm); 79 err = _nc_Set_Form_Page(form, page, (FIELD *)0); 80 Call_Hook(form, forminit); 81 Call_Hook(form, fieldinit); 82 _nc_Refresh_Current_Field(form); 83 } 84 } 85 } 86 } 87 RETURN(err); 88 } 89 90 /*--------------------------------------------------------------------------- 91 | Facility : libnform 92 | Function : int form_page(const FORM * form) 93 | 94 | Description : Return the current page of the form. 95 | 96 | Return Values : >= 0 : current page number 97 | -1 : invalid form pointer 98 +--------------------------------------------------------------------------*/ 99 FORM_EXPORT(int) 100 form_page(const FORM *form) 101 { 102 T((T_CALLED("form_page(%p)"), (const void *)form)); 103 104 returnCode(Normalize_Form(form)->curpage); 105 } 106 107 /* frm_page.c ends here */ 108