4 * This file is part of BeRTOS.
6 * Bertos is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 * As a special exception, you may use this file as part of a free software
21 * library without restriction. Specifically, if other files instantiate
22 * templates or use macros or inline functions from this file, or you compile
23 * this file and link it with other files to produce an executable, this
24 * file does not by itself cause the resulting executable to be covered by
25 * the GNU General Public License. This exception does not however
26 * invalidate any other reasons why the executable file might be covered by
27 * the GNU General Public License.
29 * Copyright 2003, 2004, 2006 Develer S.r.l. (http://www.develer.com/)
30 * Copyright 2000 Bernie Innocenti <bernie@codewiz.org>
31 * All Rights Reserved.
36 * \author Bernie Innocenti <bernie@codewiz.org>
37 * \author Stefano Fedrigo <aleph@develer.com>
39 * \brief Common menu handling API
44 *#* Revision 1.5 2007/09/19 16:23:27 batt
45 *#* Fix doxygen warnings.
47 *#* Revision 1.4 2006/09/13 13:58:33 bernie
48 *#* Add RenderHook support.
50 *#* Revision 1.3 2006/07/19 12:56:27 bernie
51 *#* Convert to new Doxygen style.
53 *#* Revision 1.2 2006/06/03 13:58:02 bernie
54 *#* Fix recursive timeout and add exit status information.
56 *#* Revision 1.1 2006/05/15 07:20:54 bernie
57 *#* Move menu to gui/.
59 *#* Revision 1.4 2006/04/11 00:07:32 bernie
60 *#* Implemenent MF_SAVESEL flag.
62 *#* Revision 1.3 2006/03/22 09:49:51 bernie
63 *#* Simplifications from project_grl.
65 *#* Revision 1.2 2006/03/20 17:48:35 bernie
66 *#* Implement support for ROM menus.
68 *#* Revision 1.1 2006/02/10 12:29:36 bernie
71 *#* Revision 1.20 2005/11/16 18:10:19 bernie
72 *#* Move top-level headers to cfg/ as in DevLib.
74 *#* Revision 1.19 2005/02/11 19:11:38 aleph
75 *#* Move menu_displaymsg() in new displaymsg module
77 *#* Revision 1.18 2005/01/13 16:56:36 aleph
78 *#* Fix progmem includes.
80 *#* Revision 1.17 2004/12/14 12:52:45 aleph
81 *#* Add exclude menu flags
83 *#* Revision 1.16 2004/10/01 14:04:59 customer_pw
84 *#* Add accessor functions for menu flags
86 *#* Revision 1.15 2004/09/09 08:31:36 customer_pw
87 *#* Add disabled item type
89 *#* Revision 1.14 2004/08/29 21:46:12 bernie
90 *#* CVSSILENT: Mark CVS log blocks.
92 *#* Revision 1.13 2004/08/25 15:35:23 customer_pw
93 *#* IPTR -> iptr_t conversion.
95 *#* Revision 1.12 2004/08/25 13:23:45 bernie
96 *#* IPTR -> iptr_t conversion.
101 #include <cfg/compiler.h>
106 /** Menu callback function */
107 typedef iptr_t (*MenuHook)(iptr_t userdata);
110 * Menu item description.
112 typedef struct MenuItem
114 const_iptr_t label; /**< Item label (ID or ptr to string, 0 to disable) */
115 int flags; /**< See MIF_#? definitions below */
116 MenuHook hook; /**< Callback function (NULL to terminate item list) */
117 iptr_t userdata; /**< User data to be passed back to the hook */
120 /** Render hook callback function prototype */
121 typedef void (*RenderHook)(struct Bitmap *bitmap, int ypos, bool selected, const struct MenuItem *item);
124 * \name Flags for MenuItem.flags.
127 #define MIF_EXCLUDE_MASK 0x00FF /**< Mask for mutual exclusion map (shared with priority). */
128 #define MIF_PRI_MASK 0x00FF /**< Mask for priority value (shared with mutual exclusion). */
129 #define MIF_PRI(x) ((x) & MIF_PRI_MASK) /**< Set menu item priority. */
130 #define MIF_EXCLUDE_0 BV(0) /**< Exclude item 0 when this item is checked */
131 #define MIF_EXCLUDE_1 BV(1) /**< Exclude item 1 when this item is checked */
132 #define MIF_EXCLUDE_2 BV(2) /**< Exclude item 2 when this item is checked */
133 #define MIF_EXCLUDE_3 BV(3) /**< Exclude item 3 when this item is checked */
134 #define MIF_EXCLUDE_4 BV(4) /**< Exclude item 4 when this item is checked */
135 #define MIF_EXCLUDE_5 BV(5) /**< Exclude item 5 when this item is checked */
136 #define MIF_EXCLUDE_6 BV(6) /**< Exclude item 6 when this item is checked */
137 #define MIF_EXCLUDE_7 BV(7) /**< Exclude item 7 when this item is checked */
138 #define MIF_CHECKED BV(8) /**< Item is currently checked */
139 #define MIF_CHECKIT BV(9) /**< Automatically check this item when selected */
140 #define MIF_TOGGLE BV(10) /**< Toggle MIF_CHECKED when item is selected */
141 #define MIF_HIDDEN BV(11) /**< This menu item is not visible */
142 #define MIF_DISABLED BV(12) /**< This menu item is not visible */
143 #define MIF_RAMLABEL BV(13) /**< Item label is stored in RAM, not in program memory */
144 #define MIF_RENDERHOOK BV(14) /**< Menu render function is passed in label field */
152 MenuItem *items; /**< Array of items (end with a NULL hook) */
153 const_iptr_t title; /**< Menu title (ID or ptr to string, 0 to disable) */
154 int flags; /**< See MF_#? definitions below */
155 struct Bitmap *bitmap; /**< Bitmap where the menu is rendered */
156 int selected; /**< Initial selection (written to if MF_SAVESEL is set). */
160 * \name Flags for Menu.flags.
163 #define MF_STICKY BV(0) /**< Stay in the menu when the items called return */
164 #define MF_TOPLEVEL BV(1) /**< Top-level menu (do not display "back" label) */
165 #define MF_ROMITEMS BV(2) /**< Menu items are stored in ROM (default is RAM) */
166 #define MF_SAVESEL BV(3) /**< Remember the selected item across invocations. */
170 * \name Special result codes for menu_handle().
173 #define MENU_OK ((iptr_t)0)
174 #define MENU_CANCEL ((iptr_t)-1)
175 #define MENU_TIMEOUT ((iptr_t)-2)
176 #define MENU_ABORT ((iptr_t)-3)
177 #define MENU_DISABLED ((iptr_t)-4)
180 /* Function prototypes */
181 iptr_t menu_handle(const struct Menu *menu);
182 int menu_setFlags(struct Menu *menu, int idx, int flags);
183 int menu_clearFlags(struct Menu *menu, int idx, int flags);
185 #endif /* MWARE_MENU_H */