1 /**************************************************************************** 2 * Copyright 2020 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_post.c,v 1.13 2020/02/02 23:34:34 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 T((T_CALLED("post_form(%p)"), (void *)form)); 59 60 if (!form) 61 RETURN(E_BAD_ARGUMENT); 62 63 if (form->status & _POSTED) 64 RETURN(E_POSTED); 65 66 if (!(form->field)) 67 RETURN(E_NOT_CONNECTED); 68 69 formwin = Get_Form_Window(form); 70 if ((form->cols > getmaxx(formwin)) || (form->rows > getmaxy(formwin))) 71 RETURN(E_NO_ROOM); 72 73 /* reset form->curpage to an invalid value. This forces Set_Form_Page 74 to do the page initialization which is required by post_form. 75 */ 76 page = form->curpage; 77 form->curpage = -1; 78 if ((err = _nc_Set_Form_Page(form, page, form->current)) != E_OK) 79 RETURN(err); 80 81 SetStatus(form, _POSTED); 82 83 Call_Hook(form, forminit); 84 Call_Hook(form, fieldinit); 85 86 _nc_Refresh_Current_Field(form); 87 RETURN(E_OK); 88 } 89 90 /*--------------------------------------------------------------------------- 91 | Facility : libnform 92 | Function : int unpost_form(FORM * form) 93 | 94 | Description : Erase form from its associated subwindow. 95 | 96 | Return Values : E_OK - success 97 | E_BAD_ARGUMENT - invalid form pointer 98 | E_NOT_POSTED - form isn't posted 99 | E_BAD_STATE - called from a hook routine 100 +--------------------------------------------------------------------------*/ 101 NCURSES_EXPORT(int) 102 unpost_form(FORM *form) 103 { 104 T((T_CALLED("unpost_form(%p)"), (void *)form)); 105 106 if (!form) 107 RETURN(E_BAD_ARGUMENT); 108 109 if (!(form->status & _POSTED)) 110 RETURN(E_NOT_POSTED); 111 112 if (form->status & _IN_DRIVER) 113 RETURN(E_BAD_STATE); 114 115 Call_Hook(form, fieldterm); 116 Call_Hook(form, formterm); 117 118 werase(Get_Form_Window(form)); 119 delwin(form->w); 120 form->w = (WINDOW *)0; 121 ClrStatus(form, _POSTED); 122 RETURN(E_OK); 123 } 124 125 /* frm_post.c ends here */ 126