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