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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 Robert E. Hak
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "lcd.h"
#include "menu.h"
#include "tree.h"
#ifdef HAVE_LCD_BITMAP
#include "screensaver.h"
extern void tetris(void);
#define MENU_ITEM_FONT 0
#define MENU_ITEM_Y_LOC 6
#define MENU_LINE_HEIGHT 8
enum Main_Menu_Ids {
Tetris, Screen_Saver, Browse, Last_Id
};
struct main_menu_items items[] = {
{ Tetris, "Tetris", tetris },
{ Screen_Saver, "Screen Saver", screensaver },
{ Browse, "Browse", browse_root },
};
/* Global values for menuing */
int menu_top;
int menu_bottom;
int menu_line_height;
int cursor;
int get_line_height(void)
{
return menu_line_height;
}
int is_cursor_menu_top(void)
{
return ((cursor == menu_top) ? 1 : 0);
}
int is_cursor_menu_bottom(void)
{
return ((cursor == menu_bottom) ? 1 : 0);
}
void put_cursor_menu_top(void)
{
put_cursor(menu_top);
}
void put_cursor_menu_bottom(void)
{
put_cursor(menu_bottom);
}
void move_cursor_up(void)
{
put_cursor(cursor-1);
}
void move_cursor_down(void)
{
put_cursor(cursor+1);
}
void redraw_cursor(void)
{
lcd_putsxy(0, cursor*menu_line_height, "-", 0);
}
/*
* Move the cursor to a particular id,
* current: where it is now
* target: where you want it to be
*/
void put_cursor(int target)
{
lcd_putsxy(0, cursor*menu_line_height, " ",0);
cursor = target;
lcd_putsxy(0, cursor*menu_line_height, "-",0);
}
/* We call the function pointer related to the current cursor position */
void execute_menu_item(void)
{
/* call the proper function for this line */
items[cursor].function();
}
void add_menu_item(int location, char *string)
{
lcd_putsxy(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 show_logo(void)
{
unsigned char buffer[112 * 8];
int failure;
int width=0;
int height=0;
failure = read_bmp_file("/rockbox112.bmp", &width, &height, buffer);
debugf("read_bmp_file() returned %d, width %d height %d\n",
failure, width, height);
if(!failure) {
int i;
int eline;
for(i=0, eline=0; i< height; i+=8, eline++) {
int x,y;
/* the bitmap function doesn't work with full-height bitmaps
so we "stripe" the logo output */
lcd_bitmap(&buffer[eline*width], 0, 24+i, width,
(height-i)>8?8:height-i, false);
#if 0
/* for screen output debugging */
for(y=0; y<8 && (i+y < height); y++) {
for(x=0; x < width; x++) {
if(buffer[eline*width + x] & (1<<y)) {
printf("*");
}
else
printf(" ");
}
printf("\n");
}
#endif
}
lcd_update();
}
}
void menu_init(void)
{
menu_top = Tetris;
menu_bottom = Last_Id-1;
menu_line_height = MENU_LINE_HEIGHT;
cursor = menu_top;
}
void menu_draw(void)
{
int i = 0;
for (i = i; i < Last_Id; i++)
add_menu_item(items[i].menu_id, (char *) items[i].menu_desc);
show_logo();
redraw_cursor();
}
#endif /* end HAVE_LCD_BITMAP */
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