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 #include "form.priv.h" 33 34 MODULE_ID("$Id: frm_post.c,v 1.5 2000/12/10 02:09:37 tom 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 NCURSES_EXPORT(int) 50 post_form (FORM * form) 51 { 52 WINDOW *formwin; 53 int err; 54 int page; 55 56 if (!form) 57 RETURN(E_BAD_ARGUMENT); 58 59 if (form->status & _POSTED) 60 RETURN(E_POSTED); 61 62 if (!(form->field)) 63 RETURN(E_NOT_CONNECTED); 64 65 formwin = Get_Form_Window(form); 66 if ((form->cols > getmaxx(formwin)) || (form->rows > getmaxy(formwin))) 67 RETURN(E_NO_ROOM); 68 69 /* reset form->curpage to an invald value. This forces Set_Form_Page 70 to do the page initialization which is required by post_form. 71 */ 72 page = form->curpage; 73 form->curpage = -1; 74 if ((err = _nc_Set_Form_Page(form,page,form->current))!=E_OK) 75 RETURN(err); 76 77 form->status |= _POSTED; 78 79 Call_Hook(form,forminit); 80 Call_Hook(form,fieldinit); 81 82 _nc_Refresh_Current_Field(form); 83 RETURN(E_OK); 84 } 85 86 /*--------------------------------------------------------------------------- 87 | Facility : libnform 88 | Function : int unpost_form(FORM * form) 89 | 90 | Description : Erase form from its associated subwindow. 91 | 92 | Return Values : E_OK - success 93 | E_BAD_ARGUMENT - invalid form pointer 94 | E_NOT_POSTED - form isn't posted 95 | E_BAD_STATE - called from a hook routine 96 +--------------------------------------------------------------------------*/ 97 NCURSES_EXPORT(int) 98 unpost_form (FORM * form) 99 { 100 if (!form) 101 RETURN(E_BAD_ARGUMENT); 102 103 if (!(form->status & _POSTED)) 104 RETURN(E_NOT_POSTED); 105 106 if (form->status & _IN_DRIVER) 107 RETURN(E_BAD_STATE); 108 109 Call_Hook(form,fieldterm); 110 Call_Hook(form,formterm); 111 112 werase(Get_Form_Window(form)); 113 delwin(form->w); 114 form->w = (WINDOW *)0; 115 form->status &= ~_POSTED; 116 RETURN(E_OK); 117 } 118 119 /* frm_post.c ends here */ 120