| Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 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 */ |