diff options
| -rw-r--r-- | uisimulator/app.c | 155 |
1 files changed, 95 insertions, 60 deletions
diff --git a/uisimulator/app.c b/uisimulator/app.c index d64017735d..d6d12451b8 100644 --- a/uisimulator/app.c +++ b/uisimulator/app.c @@ -26,77 +26,112 @@ extern void tetris(void); -#define LINE_HEIGHT 8 +#define MENU_ITEM_FONT 0 +#define MENU_ITEM_Y_LOC 6 +#define MENU_LINE_HEIGHT 8 -#define MAX_LINE 3 /* the last index with info, starting on 0 */ +/* menu ids */ +#define ITEM_TETRIS 0 +#define ITEM_SCREENSAVER 1 +#define ITEM_BROWSE 2 +#define ITEM_ROCKABOX 3 -/* global cursor */ -int cursor = 0; +/* the last index with info, starting on 0 */ +#define MAX_LINE 3 + +int menu_top = 0; +int menu_bottom = MAX_LINE; + +void add_menu_item(int location, char *string) +{ + lcd_puts(MENU_ITEM_Y_LOC, MENU_LINE_HEIGHT*location, + string, MENU_ITEM_FONT); + if (location < menu_top) + menu_top = location; + if (location > menu_bottom) + menu_bottom = location; +} void menu_init(void) { - lcd_puts(6, 0, "Rockabox", 0); - lcd_puts(6, 8, "Screen Saver", 0); -#define LINE_SS 1 - lcd_puts(6, 16, "Browse", 0); -#define LINE_BROWSE 2 - lcd_puts(6, 24, "Tetris", 0); -#define LINE_TETRIS 3 - lcd_puts(8, 38, "Rockbox!", 2); - - lcd_puts(0, cursor, "-", 0); + /* x, y, string, font */ + /* lcd_puts(6, 0, "Rockabox", 0);*/ + add_menu_item(ITEM_ROCKABOX, "Rockabox"); + add_menu_item(ITEM_SCREENSAVER, "Screen Saver"); + add_menu_item(ITEM_BROWSE, "Browse"); + add_menu_item(ITEM_TETRIS, "Tetris"); + + lcd_puts(8, 38, "Rockbox!", 2); + put_cursor(0, 0); +} + +/* Move the cursor to a particular id */ +int put_cursor(int current, int target) +{ + lcd_puts(0, current*MENU_LINE_HEIGHT, " ", 0); + lcd_puts(0, target*MENU_LINE_HEIGHT, "-", 0); + return target; } void app_main(void) { - int key; + int key; + int cursor = 0; - menu_init(); + menu_init(); - while(1) { - key = button_get(); + while(1) { + key = button_get(); - if(!key) { - sleep(1); - continue; - } - switch(key) { - case BUTTON_UP: - if(cursor) { - lcd_puts(0, cursor, " ", 0); - cursor-= LINE_HEIGHT; - lcd_puts(0, cursor, "-", 0); - } - break; - case BUTTON_DOWN: - if(cursor<(MAX_LINE*LINE_HEIGHT)) { - lcd_puts(0, cursor, " ", 0); - cursor+=LINE_HEIGHT; - lcd_puts(0, cursor, "-", 0); - } - break; - case BUTTON_RIGHT: - case BUTTON_PLAY: - switch(cursor) { - case (LINE_TETRIS * LINE_HEIGHT): - lcd_clearrect(0, 0, LCD_WIDTH, LCD_HEIGHT); - tetris(); - lcd_clearrect(0, 0, LCD_WIDTH, LCD_HEIGHT); - menu_init(); - break; - case (LINE_BROWSE * LINE_HEIGHT): - dirbrowse("/"); - lcd_clearrect(0, 0, LCD_WIDTH, LCD_HEIGHT); - menu_init(); - break; - case (LINE_SS * LINE_HEIGHT): - screensaver(); - lcd_clearrect(0, 0, LCD_WIDTH, LCD_HEIGHT); - menu_init(); - break; - } - break; + if(!key) { + sleep(1); + continue; + } + switch(key) { + case BUTTON_UP: + if(cursor == menu_top ){ + /* wrap around to menu bottom */ + printf("from (%d) to (%d)\n", cursor, menu_bottom); + cursor = put_cursor(cursor, menu_bottom); + } else { + /* move up */ + printf("from (%d) to (%d)\n", cursor, cursor-1); + cursor = put_cursor(cursor, cursor-1); + } + break; + case BUTTON_DOWN: + if(cursor == menu_bottom ){ + /* wrap around to menu top */ + printf("from (%d) to (%d)\n", cursor, menu_top); + cursor = put_cursor(cursor, menu_top); + } else { + /* move down */ + printf("from (%d) to (%d)\n", cursor, cursor+1); + cursor = put_cursor(cursor, cursor+1); + } + break; + case BUTTON_RIGHT: + case BUTTON_PLAY: + /* Erase current display state */ + lcd_clear_display(); + + switch(cursor) { + case ITEM_TETRIS: + tetris(); + break; + case ITEM_BROWSE: + dirbrowse("/"); + break; + case ITEM_SCREENSAVER: + screensaver(); + break; + } + + /* Return to previous display state */ + lcd_clear_display(); + menu_init(); + break; + } + lcd_update(); } - lcd_update(); - } } |