1 /**************************************************************************** 2 * Copyright (c) 1998 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 #include "form.priv.h" 33 34 MODULE_ID("$Id: frm_post.c,v 1.4 1999/05/16 17:21:39 juergen Exp $") 35 36 /*--------------------------------------------------------------------------- 37 | Facility : libnform 38 | Function : int post_form(FORM * form) 39 | 40 | Description : Writes the form into its associated subwindow. 41 | 42 | Return Values : E_OK - success 43 | E_BAD_ARGUMENT - invalid form pointer 44 | E_POSTED - form already posted 45 | E_NOT_CONNECTED - no fields connected to form 46 | E_NO_ROOM - form doesn't fit into subwindow 47 | E_SYSTEM_ERROR - system error 48 +--------------------------------------------------------------------------*/ 49 int post_form(FORM * form) 50 { 51 WINDOW *formwin; 52 int err; 53 int page; 54 55 if (!form) 56 RETURN(E_BAD_ARGUMENT); 57 58 if (form->status & _POSTED) 59 RETURN(E_POSTED); 60 61 if (!(form->field)) 62 RETURN(E_NOT_CONNECTED); 63 64 formwin = Get_Form_Window(form); 65 if ((form->cols > getmaxx(formwin)) || (form->rows > getmaxy(formwin))) 66 RETURN(E_NO_ROOM); 67 68 /* reset form->curpage to an invald value. This forces Set_Form_Page 69 to do the page initialization which is required by post_form. 70 */ 71 page = form->curpage; 72 form->curpage = -1; 73 if ((err = _nc_Set_Form_Page(form,page,form->current))!=E_OK) 74 RETURN(err); 75 76 form->status |= _POSTED; 77 78 Call_Hook(form,forminit); 79 Call_Hook(form,fieldinit); 80 81 _nc_Refresh_Current_Field(form); 82 RETURN(E_OK); 83 } 84 85 /*--------------------------------------------------------------------------- 86 | Facility : libnform 87 | Function : int unpost_form(FORM * form) 88 | 89 | Description : Erase form from its associated subwindow. 90 | 91 | Return Values : E_OK - success 92 | E_BAD_ARGUMENT - invalid form pointer 93 | E_NOT_POSTED - form isn't posted 94 | E_BAD_STATE - called from a hook routine 95 +--------------------------------------------------------------------------*/ 96 int unpost_form(FORM * form) 97 { 98 if (!form) 99 RETURN(E_BAD_ARGUMENT); 100 101 if (!(form->status & _POSTED)) 102 RETURN(E_NOT_POSTED); 103 104 if (form->status & _IN_DRIVER) 105 RETURN(E_BAD_STATE); 106 107 Call_Hook(form,fieldterm); 108 Call_Hook(form,formterm); 109 110 werase(Get_Form_Window(form)); 111 delwin(form->w); 112 form->w = (WINDOW *)0; 113 form->status &= ~_POSTED; 114 RETURN(E_OK); 115 } 116 117 /* frm_post.c ends here */ 118