| 1 | /* |
| 2 | Copyright (C) 1992, 1993 Lucid, Inc. |
| 3 | Copyright (C) 1994, 1999-2014 Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of the Lucid Widget Library. |
| 6 | |
| 7 | The Lucid Widget Library is free software; you can redistribute it and/or |
| 8 | modify it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 1, or (at your option) |
| 10 | any later version. |
| 11 | |
| 12 | The Lucid Widget Library is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
| 19 | |
| 20 | /* This part is separate from lwlib.h because it does not need X, |
| 21 | and thus can be used by non-X code in Emacs proper. */ |
| 22 | |
| 23 | #ifndef LWLIB_WIDGET_H |
| 24 | #define LWLIB_WIDGET_H |
| 25 | |
| 26 | typedef enum |
| 27 | { |
| 28 | NO_CHANGE = 0, |
| 29 | INVISIBLE_CHANGE = 1, |
| 30 | VISIBLE_CHANGE = 2, |
| 31 | STRUCTURAL_CHANGE = 3 |
| 32 | } change_type; |
| 33 | |
| 34 | enum button_type |
| 35 | { |
| 36 | BUTTON_TYPE_NONE, |
| 37 | BUTTON_TYPE_TOGGLE, |
| 38 | BUTTON_TYPE_RADIO |
| 39 | }; |
| 40 | |
| 41 | typedef struct _widget_value |
| 42 | { |
| 43 | /* Name of widget. */ |
| 44 | Lisp_Object lname; |
| 45 | char *name; |
| 46 | |
| 47 | /* Value (meaning depend on widget type). */ |
| 48 | char *value; |
| 49 | |
| 50 | /* Keyboard equivalent. no implications for XtTranslations. */ |
| 51 | Lisp_Object lkey; |
| 52 | char *key; |
| 53 | |
| 54 | /* Help string or nil if none. |
| 55 | GC finds this string through the frame's menu_bar_vector |
| 56 | or through menu_items. */ |
| 57 | Lisp_Object help; |
| 58 | |
| 59 | /* True if enabled. */ |
| 60 | bool enabled; |
| 61 | |
| 62 | /* True if selected. */ |
| 63 | bool selected; |
| 64 | |
| 65 | /* True if was edited (maintained by get_value). */ |
| 66 | bool edited; |
| 67 | |
| 68 | #ifdef HAVE_NTGUI |
| 69 | /* True if menu title. */ |
| 70 | bool title; |
| 71 | #endif |
| 72 | |
| 73 | /* The type of a button. */ |
| 74 | enum button_type button_type; |
| 75 | |
| 76 | /* Contents of the sub-widgets, also selected slot for checkbox. */ |
| 77 | struct _widget_value *contents; |
| 78 | |
| 79 | /* Data passed to callback. */ |
| 80 | void *call_data; |
| 81 | |
| 82 | /* Next one in the list. */ |
| 83 | struct _widget_value *next; |
| 84 | |
| 85 | #ifdef USE_X_TOOLKIT |
| 86 | /* Type of change (maintained by lw library). */ |
| 87 | change_type change; |
| 88 | |
| 89 | /* Type of this widget's change, but not counting the other widgets |
| 90 | found in the `next' field. */ |
| 91 | change_type this_one_change; |
| 92 | |
| 93 | /* Slot for the toolkit dependent part. Always initialize to NULL. */ |
| 94 | void *toolkit_data; |
| 95 | |
| 96 | /* Whether we should free the toolkit data slot when freeing the |
| 97 | widget_value itself. */ |
| 98 | bool free_toolkit_data; |
| 99 | #endif |
| 100 | |
| 101 | } widget_value; |
| 102 | |
| 103 | #endif |