4 * Copyright 2003, 2004, 2006 Develer S.r.l. (http://www.develer.com/)
5 * Copyright 2000 Bernardo Innocenti <bernie@codewiz.org>
11 * \author Bernardo Innocenti <bernie@develer.com>
12 * \author Stefano Fedrigo <aleph@develer.com>
14 * \brief Common menu handling API
19 *#* Revision 1.3 2006/07/19 12:56:27 bernie
20 *#* Convert to new Doxygen style.
22 *#* Revision 1.2 2006/06/03 13:58:02 bernie
23 *#* Fix recursive timeout and add exit status information.
25 *#* Revision 1.1 2006/05/15 07:20:54 bernie
26 *#* Move menu to gui/.
28 *#* Revision 1.4 2006/04/11 00:07:32 bernie
29 *#* Implemenent MF_SAVESEL flag.
31 *#* Revision 1.3 2006/03/22 09:49:51 bernie
32 *#* Simplifications from project_grl.
34 *#* Revision 1.2 2006/03/20 17:48:35 bernie
35 *#* Implement support for ROM menus.
37 *#* Revision 1.1 2006/02/10 12:29:36 bernie
40 *#* Revision 1.20 2005/11/16 18:10:19 bernie
41 *#* Move top-level headers to cfg/ as in DevLib.
43 *#* Revision 1.19 2005/02/11 19:11:38 aleph
44 *#* Move menu_displaymsg() in new displaymsg module
46 *#* Revision 1.18 2005/01/13 16:56:36 aleph
47 *#* Fix progmem includes.
49 *#* Revision 1.17 2004/12/14 12:52:45 aleph
50 *#* Add exclude menu flags
52 *#* Revision 1.16 2004/10/01 14:04:59 customer_pw
53 *#* Add accessor functions for menu flags
55 *#* Revision 1.15 2004/09/09 08:31:36 customer_pw
56 *#* Add disabled item type
58 *#* Revision 1.14 2004/08/29 21:46:12 bernie
59 *#* CVSSILENT: Mark CVS log blocks.
61 *#* Revision 1.13 2004/08/25 15:35:23 customer_pw
62 *#* IPTR -> iptr_t conversion.
64 *#* Revision 1.12 2004/08/25 13:23:45 bernie
65 *#* IPTR -> iptr_t conversion.
70 #include <cfg/compiler.h>
75 /** Menu callback function */
76 typedef iptr_t (*MenuHook)(iptr_t userdata);
79 * Menu item description.
81 typedef struct MenuItem
83 const_iptr_t label; /**< Item label (ID or ptr to string, 0 to disable) */
84 int flags; /**< See MIF_#? definitions below */
85 MenuHook hook; /**< Callback function (NULL to terminate item list) */
86 iptr_t userdata; /**< User data to be passed back to the hook */
90 * \name Flags for MenuItem.flags.
93 #define MIF_EXCLUDE_MASK 0x00FF /**< Mask for mutual exclusion map (shared with priority). */
94 #define MIF_PRI_MASK 0x00FF /**< Mask for priority value (shared with mutual exclusion). */
95 #define MIF_PRI(x) ((x) & MIF_PRI_MASK) /**< Set menu item priority. */
96 #define MIF_EXCLUDE_0 BV(0) /**< Exclude item 0 when this item is checked */
97 #define MIF_EXCLUDE_1 BV(1) /**< Exclude item 1 when this item is checked */
98 #define MIF_EXCLUDE_2 BV(2) /**< Exclude item 2 when this item is checked */
99 #define MIF_EXCLUDE_3 BV(3) /**< Exclude item 3 when this item is checked */
100 #define MIF_EXCLUDE_4 BV(4) /**< Exclude item 4 when this item is checked */
101 #define MIF_EXCLUDE_5 BV(5) /**< Exclude item 5 when this item is checked */
102 #define MIF_EXCLUDE_6 BV(6) /**< Exclude item 6 when this item is checked */
103 #define MIF_EXCLUDE_7 BV(7) /**< Exclude item 7 when this item is checked */
104 #define MIF_CHECKED BV(8) /**< Item is currently checked */
105 #define MIF_CHECKIT BV(9) /**< Automatically check this item when selected */
106 #define MIF_TOGGLE BV(10) /**< Toggle MIF_CHECKED when item is selected */
107 #define MIF_HIDDEN BV(11) /**< This menu item is not visible */
108 #define MIF_DISABLED BV(12) /**< This menu item is not visible */
109 #define MIF_RAMLABEL BV(13) /**< Item label is stored in RAM, not in program memory */
117 MenuItem *items; /**< Array of items (end with a NULL hook) */
118 const_iptr_t title; /**< Menu title (ID or ptr to string, 0 to disable) */
119 int flags; /**< See MF_#? definitions below */
120 struct Bitmap *bitmap; /**< Bitmap where the menu is rendered */
121 int selected; /**< Initial selection (written to if #MF_SAVESEL is set). */
125 * \name Flags for Menu.flags.
128 #define MF_STICKY BV(0) /**< Stay in the menu when the items called return */
129 #define MF_TOPLEVEL BV(1) /**< Top-level menu (do not display "back" label) */
130 #define MF_ROMITEMS BV(2) /**< Menu items are stored in ROM (default is RAM) */
131 #define MF_SAVESEL BV(3) /**< Remember the selected item across invocations. */
135 * \name Special result codes for menu_handle().
138 #define MENU_OK ((iptr_t)0)
139 #define MENU_CANCEL ((iptr_t)-1)
140 #define MENU_TIMEOUT ((iptr_t)-2)
141 #define MENU_ABORT ((iptr_t)-3)
142 #define MENU_DISABLED ((iptr_t)-4)
145 /* Function prototypes */
146 iptr_t menu_handle(const struct Menu *menu);
147 int menu_setFlags(struct Menu *menu, int idx, int flags);
148 int menu_clearFlags(struct Menu *menu, int idx, int flags);
150 #endif /* MWARE_MENU_H */