1 files changed, 187 insertions, 0 deletions

diff --git a/apps/menu.c b/apps/menu.c
new file mode 100644
index 0000000000..5c8356c93a
--- /dev/null
+++ b/apps/menu.c
@@ -0,0 +1,187 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   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 */
+
+