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comparison examples/menu/main.c @ 296:2e97e8082d83

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* Fix the symbol definition code which does not assume the id is the same as the mbname. * Add appleTV style list demo. We need to add animation latter. It is staic for now.
author wycc
date Sun, 01 Feb 2009 16:28:28 +0800
parents
children e885dc875f30
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295:2469f8d23658 296:2e97e8082d83
1 /*! \file
2 *
3 * This is the demo program for the animated menu. We will use to test the MBAF API.
4 */
5 #include <stdio.h>
6 #include <mb.h>
7 #include <string.h>
8 #include "menu.h"
9 #include "mbapp.h"
10
11 char *menus[] = {
12 "Item 1",
13 "Item 2",
14 "Item 3",
15 "Item 4",
16 "Item 5",
17 "Item 6",
18 "Item 7",
19 "Item 8",
20 "Item 9",
21 "Item 10",
22 "Item 11",
23 "Item 12",
24 "Item 13",
25 "Item 14",
26 "Item 15",
27 "Item 16",
28 "Item 17",
29 "Item 18",
30 };
31
32 typedef struct {
33 int top;
34 int cur;
35 int max;
36 }MyAppData;
37
38 MBApp *myApp;
39
40 static void fillMenuContent()
41 {
42 int i;
43 MyAppData *data = MBAPP_DATA(myApp,MyAppData);
44 mb_sprite_t *sprite=myApp->rootsprite;
45 shape_t *text;
46 coord_t *group;
47 coord_t *lightbar;
48 char name[255];
49
50 for(i=0;i<8;i++) {
51 if (i+data->top > data->max) break;
52 snprintf(name,sizeof(name),"item%dtext", i+1);
53 text = (shape_t *) MB_SPRITE_GET_OBJ(sprite, name);
54 if (text == NULL) {
55 printf("Can not find object %s\n",name);
56 continue;
57 }
58 sh_text_set_text(text,menus[i+data->top]);
59 rdman_shape_changed(MBAPP_RDMAN(myApp), text);
60 }
61 for(;i<8;i++) {
62 snprintf(name,sizeof(name),"item%dtext", i+1);
63 text = (shape_t *) MB_SPRITE_GET_OBJ(sprite, name);
64 if (text == NULL) {
65 printf("Can not find object %s\n",name);
66 continue;
67 }
68 sh_text_set_text(text,"");
69 rdman_shape_changed(MBAPP_RDMAN(myApp), text);
70 }
71 lightbar = (coord_t *) MB_SPRITE_GET_OBJ(sprite, "lightbar");
72 snprintf(name,sizeof(name),"item%d", data->cur+1);
73 group = (coord_t *) MB_SPRITE_GET_OBJ(sprite, name);
74 coord_x(lightbar) = coord_x(group);
75 coord_y(lightbar) = coord_y(group);
76 rdman_coord_changed(MBAPP_RDMAN(myApp), lightbar);
77 rdman_redraw_changed(MBAPP_RDMAN(myApp));
78 }
79
80 void menu_up()
81 {
82 MyAppData *data = MBAPP_DATA(myApp,MyAppData);
83
84 if (data->cur > 5)
85 data->cur--;
86 else {
87 if (data->top > 0) {
88 data->top--;
89 } else {
90 if (data->cur == 0)
91 return;
92 data->cur--;
93 }
94 }
95 fillMenuContent();
96 }
97 void menu_down()
98 {
99 MyAppData *data = MBAPP_DATA(myApp,MyAppData);
100
101 if (data->cur < 5) {
102 if (data->top+data->cur <= data->max)
103 data->cur++;
104 } else {
105 if ((data->top+8) < data->max) {
106 data->top++;
107 } else {
108 if (data->cur+data->top < data->max-1)
109 data->cur++;
110 else
111 return;
112 }
113 printf("top=%d\n",data->top);
114 }
115 fillMenuContent();
116 }
117 void menu_select()
118 {
119 MyAppData *data = MBAPP_DATA(myApp,MyAppData);
120
121 printf("menu '%s' is selected\n", menus[data->top+data->cur]);
122 }
123
124 void keyHandler(event_t *ev, void *arg)
125 {
126 X_kb_event_t *xkey = (X_kb_event_t *)ev;
127 if(xkey->event.type != EVT_KB_PRESS) {
128 return;
129 }
130 switch(xkey->sym) {
131 case 0xff51: /* left */
132 break;
133
134 case 0xff52: /* up */
135 menu_up();
136 break;
137
138 case 0xff53: /* right */
139 break;
140
141 case 0xff54: /* down */
142 menu_down();
143 break;
144
145 case 0xff0d: /* enter */
146 menu_select();
147 break;
148 default:
149 return;
150 }
151 }
152
153 MyApp_InitContent()
154 {
155 MyAppData *data = MBAPP_DATA(myApp,MyAppData);
156 subject_t *key = MBAPP_keySubject(myApp);
157
158 data->top = 0;
159 data->cur = 0;
160 data->max = sizeof(menus)/sizeof(int)-1;
161
162 fillMenuContent();
163 subject_add_observer(key, keyHandler,NULL);
164 }
165
166 int main(int argc, char * const argv[]) {
167 subject_t *subject;
168 mb_obj_t *button;
169 MyAppData data;
170 mb_timeval_t tmo,interval;
171
172 if (argc > 1)
173 myApp = MBApp_Init(argv[1]);
174 else
175 myApp = MBApp_Init("list");
176 MBApp_setData(myApp,&data);
177 MyApp_InitContent();
178
179 MBApp_loop(myApp);
180
181 return 0;
182 }
183
184 /* vim: set ts=4 */