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Cleaned up for menu.c/h usage

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@465 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Robert Hak 2002-05-06 08:42:20 +00:00
parent 083e7d451b
commit fe6c52cc76
1 changed files with 17 additions and 74 deletions
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91
uisimulator/app.c
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@ -21,125 +21,68 @@
#include "lcd.h" #include "lcd.h"
#include "button.h" #include "button.h"
#include "kernel.h" #include "kernel.h"
#include "menu.h"
/* Apps to include */ /* Apps to include */
#include "tree.h" #include "tree.h"
#include "screensaver.h"
#ifdef HAVE_LCD_BITMAP #ifdef HAVE_LCD_BITMAP
extern void tetris(void); /*#include "screensaver.h"*/
#define MENU_ITEM_FONT 0 /*extern void tetris(void);*/
#define MENU_ITEM_Y_LOC 6
#define MENU_LINE_HEIGHT 8
enum Menu_Ids {
Tetris, Screen_Saver, Browse, Last_Id
};
struct Menu_Items {
int menu_id;
const char *menu_desc;
void (*function) (void);
};
struct Menu_Items items[] = {
{ Tetris, "Tetris", tetris },
{ Screen_Saver, "Screen Saver", screensaver },
{ Browse, "Browse", browse_root },
};
int menu_top = Tetris;
int menu_bottom = Last_Id-1;
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)
{
int i = 0;
for (i = i; i < Last_Id; i++)
add_menu_item(items[i].menu_id, (char *) items[i].menu_desc);
lcd_puts(8, 38, "Rockbox!", 2);
}
/*
* Move the cursor to a particular id,
* current: where it is now
* target: where you want it to be
* Returns: the new current location
*/
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) void app_main(void)
{ {
int key; int key;
int cursor = 0;
menu_init(); menu_init();
cursor = put_cursor(menu_top, menu_top); put_cursor_menu_top();
while(1) { while(1) {
key = button_get(); key = button_get();
if(!key) { if(!key) {
sleep(1); sleep(1);
continue; continue;
} }
switch(key) { switch(key) {
case BUTTON_UP: case BUTTON_UP:
if(cursor == menu_top ){ if(is_cursor_menu_top()){
/* wrap around to menu bottom */ /* wrap around to menu bottom */
cursor = put_cursor(cursor, menu_bottom); put_cursor_menu_bottom();
} else { } else {
/* move up */ /* move up */
cursor = put_cursor(cursor, cursor-1); move_cursor_up();
} }
break; break;
case BUTTON_DOWN: case BUTTON_DOWN:
if(cursor == menu_bottom ){ if(is_cursor_menu_bottom() ){
/* wrap around to menu top */ /* wrap around to menu top */
cursor = put_cursor(cursor, menu_top); put_cursor_menu_top();
} else { } else {
/* move down */ /* move down */
cursor = put_cursor(cursor, cursor+1); move_cursor_down();
} }
break; break;
case BUTTON_RIGHT: case BUTTON_RIGHT:
case BUTTON_PLAY: case BUTTON_PLAY:
/* Erase current display state */ /* Erase current display state */
lcd_clear_display(); lcd_clear_display();
/* call the proper function for this line */ execute_menu_item();
items[cursor].function();
/* Return to previous display state */ /* Return to previous display state */
lcd_clear_display(); lcd_clear_display();
menu_init(); menu_init();
cursor = put_cursor(cursor, cursor);
break; break;
case BUTTON_OFF: case BUTTON_OFF:
return; return;
default: default:
break; break;
} }
lcd_update(); lcd_update();
} }
} }