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_post.c,v 1.9 2004/12/11 22:19:06 tom Exp $") 36 37 /*--------------------------------------------------------------------------- 38 | Facility : libnform 39 | Function : int post_form(FORM * form) 40 | 41 | Description : Writes the form into its associated subwindow. 42 | 43 | Return Values : E_OK - success 44 | E_BAD_ARGUMENT - invalid form pointer 45 | E_POSTED - form already posted 46 | E_NOT_CONNECTED - no fields connected to form 47 | E_NO_ROOM - form doesn't fit into subwindow 48 | E_SYSTEM_ERROR - system error 49 +--------------------------------------------------------------------------*/ 50 NCURSES_EXPORT(int) 51 post_form(FORM *form) 52 { 53 WINDOW *formwin; 54 int err; 55 int page; 56 57 T((T_CALLED("post_form(%p)"), form)); 58 59 if (!form) 60 RETURN(E_BAD_ARGUMENT); 61 62 if (form->status & _POSTED) 63 RETURN(E_POSTED); 64 65 if (!(form->field)) 66 RETURN(E_NOT_CONNECTED); 67 68 formwin = Get_Form_Window(form); 69 if ((form->cols > getmaxx(formwin)) || (form->rows > getmaxy(formwin))) 70 RETURN(E_NO_ROOM); 71 72 /* reset form->curpage to an invald value. This forces Set_Form_Page 73 to do the page initialization which is required by post_form. 74 */ 75 page = form->curpage; 76 form->curpage = -1; 77 if ((err = _nc_Set_Form_Page(form, page, form->current)) != E_OK) 78 RETURN(err); 79 80 form->status |= _POSTED; 81 82 Call_Hook(form, forminit); 83 Call_Hook(form, fieldinit); 84 85 _nc_Refresh_Current_Field(form); 86 RETURN(E_OK); 87 } 88 89 /*--------------------------------------------------------------------------- 90 | Facility : libnform 91 | Function : int unpost_form(FORM * form) 92 | 93 | Description : Erase form from its associated subwindow. 94 | 95 | Return Values : E_OK - success 96 | E_BAD_ARGUMENT - invalid form pointer 97 | E_NOT_POSTED - form isn't posted 98 | E_BAD_STATE - called from a hook routine 99 +--------------------------------------------------------------------------*/ 100 NCURSES_EXPORT(int) 101 unpost_form(FORM *form) 102 { 103 T((T_CALLED("unpost_form(%p)"), form)); 104 105 if (!form) 106 RETURN(E_BAD_ARGUMENT); 107 108 if (!(form->status & _POSTED)) 109 RETURN(E_NOT_POSTED); 110 111 if (form->status & _IN_DRIVER) 112 RETURN(E_BAD_STATE); 113 114 Call_Hook(form, fieldterm); 115 Call_Hook(form, formterm); 116 117 werase(Get_Form_Window(form)); 118 delwin(form->w); 119 form->w = (WINDOW *)0; 120 form->status &= ~_POSTED; 121 RETURN(E_OK); 122 } 123 124 /* frm_post.c ends here */ 125