1 /* $OpenBSD: frm_post.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 #include "form.priv.h" 35 36 MODULE_ID("$From: frm_post.c,v 1.5 2000/12/10 02:09:37 tom Exp $") 37 38 /*--------------------------------------------------------------------------- 39 | Facility : libnform 40 | Function : int post_form(FORM * form) 41 | 42 | Description : Writes the form into its associated subwindow. 43 | 44 | Return Values : E_OK - success 45 | E_BAD_ARGUMENT - invalid form pointer 46 | E_POSTED - form already posted 47 | E_NOT_CONNECTED - no fields connected to form 48 | E_NO_ROOM - form doesn't fit into subwindow 49 | E_SYSTEM_ERROR - system error 50 +--------------------------------------------------------------------------*/ 51 NCURSES_EXPORT(int) 52 post_form (FORM * form) 53 { 54 WINDOW *formwin; 55 int err; 56 int page; 57 58 if (!form) 59 RETURN(E_BAD_ARGUMENT); 60 61 if (form->status & _POSTED) 62 RETURN(E_POSTED); 63 64 if (!(form->field)) 65 RETURN(E_NOT_CONNECTED); 66 67 formwin = Get_Form_Window(form); 68 if ((form->cols > getmaxx(formwin)) || (form->rows > getmaxy(formwin))) 69 RETURN(E_NO_ROOM); 70 71 /* reset form->curpage to an invald value. This forces Set_Form_Page 72 to do the page initialization which is required by post_form. 73 */ 74 page = form->curpage; 75 form->curpage = -1; 76 if ((err = _nc_Set_Form_Page(form,page,form->current))!=E_OK) 77 RETURN(err); 78 79 form->status |= _POSTED; 80 81 Call_Hook(form,forminit); 82 Call_Hook(form,fieldinit); 83 84 _nc_Refresh_Current_Field(form); 85 RETURN(E_OK); 86 } 87 88 /*--------------------------------------------------------------------------- 89 | Facility : libnform 90 | Function : int unpost_form(FORM * form) 91 | 92 | Description : Erase form from its associated subwindow. 93 | 94 | Return Values : E_OK - success 95 | E_BAD_ARGUMENT - invalid form pointer 96 | E_NOT_POSTED - form isn't posted 97 | E_BAD_STATE - called from a hook routine 98 +--------------------------------------------------------------------------*/ 99 NCURSES_EXPORT(int) 100 unpost_form (FORM * form) 101 { 102 if (!form) 103 RETURN(E_BAD_ARGUMENT); 104 105 if (!(form->status & _POSTED)) 106 RETURN(E_NOT_POSTED); 107 108 if (form->status & _IN_DRIVER) 109 RETURN(E_BAD_STATE); 110 111 Call_Hook(form,fieldterm); 112 Call_Hook(form,formterm); 113 114 werase(Get_Form_Window(form)); 115 delwin(form->w); 116 form->w = (WINDOW *)0; 117 form->status &= ~_POSTED; 118 RETURN(E_OK); 119 } 120 121 /* frm_post.c ends here */ 122