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Diffstat (limited to 'apps/menu.c')
-rw-r--r-- | apps/menu.c | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/apps/menu.c b/apps/menu.c new file mode 100644 index 0000000000..5c8356c93a --- /dev/null +++ b/apps/menu.c | |||
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1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2002 Robert E. Hak | ||
11 | * | ||
12 | * All files in this archive are subject to the GNU General Public License. | ||
13 | * See the file COPYING in the source tree root for full license agreement. | ||
14 | * | ||
15 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
16 | * KIND, either express or implied. | ||
17 | * | ||
18 | ****************************************************************************/ | ||
19 | |||
20 | #include "lcd.h" | ||
21 | #include "menu.h" | ||
22 | |||
23 | #include "tree.h" | ||
24 | |||
25 | #ifdef HAVE_LCD_BITMAP | ||
26 | |||
27 | #include "screensaver.h" | ||
28 | extern void tetris(void); | ||
29 | |||
30 | |||
31 | #define MENU_ITEM_FONT 0 | ||
32 | #define MENU_ITEM_Y_LOC 6 | ||
33 | #define MENU_LINE_HEIGHT 8 | ||
34 | |||
35 | enum Main_Menu_Ids { | ||
36 | Tetris, Screen_Saver, Browse, Last_Id | ||
37 | }; | ||
38 | |||
39 | struct main_menu_items items[] = { | ||
40 | { Tetris, "Tetris", tetris }, | ||
41 | { Screen_Saver, "Screen Saver", screensaver }, | ||
42 | { Browse, "Browse", browse_root }, | ||
43 | }; | ||
44 | |||
45 | /* Global values for menuing */ | ||
46 | int menu_top; | ||
47 | int menu_bottom; | ||
48 | int menu_line_height; | ||
49 | int cursor; | ||
50 | |||
51 | int get_line_height(void) | ||
52 | { | ||
53 | return menu_line_height; | ||
54 | } | ||
55 | |||
56 | int is_cursor_menu_top(void) | ||
57 | { | ||
58 | return ((cursor == menu_top) ? 1 : 0); | ||
59 | } | ||
60 | |||
61 | int is_cursor_menu_bottom(void) | ||
62 | { | ||
63 | return ((cursor == menu_bottom) ? 1 : 0); | ||
64 | } | ||
65 | |||
66 | void put_cursor_menu_top(void) | ||
67 | { | ||
68 | put_cursor(menu_top); | ||
69 | } | ||
70 | |||
71 | void put_cursor_menu_bottom(void) | ||
72 | { | ||
73 | put_cursor(menu_bottom); | ||
74 | } | ||
75 | |||
76 | void move_cursor_up(void) | ||
77 | { | ||
78 | put_cursor(cursor-1); | ||
79 | } | ||
80 | |||
81 | void move_cursor_down(void) | ||
82 | { | ||
83 | put_cursor(cursor+1); | ||
84 | } | ||
85 | |||
86 | void redraw_cursor(void) | ||
87 | { | ||
88 | lcd_putsxy(0, cursor*menu_line_height, "-", 0); | ||
89 | } | ||
90 | |||
91 | /* | ||
92 | * Move the cursor to a particular id, | ||
93 | * current: where it is now | ||
94 | * target: where you want it to be | ||
95 | */ | ||
96 | void put_cursor(int target) | ||
97 | { | ||
98 | lcd_putsxy(0, cursor*menu_line_height, " ",0); | ||
99 | cursor = target; | ||
100 | lcd_putsxy(0, cursor*menu_line_height, "-",0); | ||
101 | } | ||
102 | |||
103 | /* We call the function pointer related to the current cursor position */ | ||
104 | void execute_menu_item(void) | ||
105 | { | ||
106 | /* call the proper function for this line */ | ||
107 | items[cursor].function(); | ||
108 | } | ||
109 | |||
110 | void add_menu_item(int location, char *string) | ||
111 | { | ||
112 | lcd_putsxy(MENU_ITEM_Y_LOC, MENU_LINE_HEIGHT*location, string, | ||
113 | MENU_ITEM_FONT); | ||
114 | if (location < menu_top) | ||
115 | menu_top = location; | ||
116 | if (location > menu_bottom) | ||
117 | menu_bottom = location; | ||
118 | } | ||
119 | |||
120 | void show_logo(void) | ||
121 | { | ||
122 | unsigned char buffer[112 * 8]; | ||
123 | |||
124 | int failure; | ||
125 | int width=0; | ||
126 | int height=0; | ||
127 | |||
128 | failure = read_bmp_file("/rockbox112.bmp", &width, &height, buffer); | ||
129 | |||
130 | debugf("read_bmp_file() returned %d, width %d height %d\n", | ||
131 | failure, width, height); | ||
132 | |||
133 | if(!failure) { | ||
134 | int i; | ||
135 | int eline; | ||
136 | for(i=0, eline=0; i< height; i+=8, eline++) { | ||
137 | int x,y; | ||
138 | |||
139 | /* the bitmap function doesn't work with full-height bitmaps | ||
140 | so we "stripe" the logo output */ | ||
141 | |||
142 | lcd_bitmap(&buffer[eline*width], 0, 24+i, width, | ||
143 | (height-i)>8?8:height-i, false); | ||
144 | |||
145 | #if 0 | ||
146 | /* for screen output debugging */ | ||
147 | for(y=0; y<8 && (i+y < height); y++) { | ||
148 | for(x=0; x < width; x++) { | ||
149 | |||
150 | if(buffer[eline*width + x] & (1<<y)) { | ||
151 | printf("*"); | ||
152 | } | ||
153 | else | ||
154 | printf(" "); | ||
155 | } | ||
156 | printf("\n"); | ||
157 | } | ||
158 | #endif | ||
159 | } | ||
160 | |||
161 | lcd_update(); | ||
162 | } | ||
163 | |||
164 | } | ||
165 | |||
166 | void menu_init(void) | ||
167 | { | ||
168 | menu_top = Tetris; | ||
169 | menu_bottom = Last_Id-1; | ||
170 | menu_line_height = MENU_LINE_HEIGHT; | ||
171 | cursor = menu_top; | ||
172 | } | ||
173 | |||
174 | void menu_draw(void) | ||
175 | { | ||
176 | int i = 0; | ||
177 | |||
178 | for (i = i; i < Last_Id; i++) | ||
179 | add_menu_item(items[i].menu_id, (char *) items[i].menu_desc); | ||
180 | |||
181 | show_logo(); | ||
182 | redraw_cursor(); | ||
183 | } | ||
184 | |||
185 | #endif /* end HAVE_LCD_BITMAP */ | ||
186 | |||
187 | |||