Made playlist shuffle an option instead of an action

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@1031 a1c6a512-1295-4272-9138-f99709370657

apps/main_menu.c

@@ -169,18 +169,29 @@ void scroll_speed(void)
 
 void shuffle(void)
 {
+    bool done = false;
+
     lcd_clear_display();
-    if(playlist.amount) {
-        lcd_puts(0,0,"Shuffling...");
+    lcd_puts(0,0,"[Shuffle]");
+
+    while ( !done ) {
+        lcd_puts(0,1,playlist_shuffle ? "on " : "off");
         lcd_update();
-        randomise_playlist( &playlist, current_tick );
-       lcd_puts(0,1,"Done.");
+
+        switch ( button_get(true) ) {
+#ifdef HAVE_RECORDER_KEYPAD
+            case BUTTON_LEFT:
+#else
+            case BUTTON_STOP:
+#endif
+                done = true;
+                break;
+
+            default:
+                playlist_shuffle = !playlist_shuffle;
+                break;
+        }
     }
-    else {
-        lcd_puts(0,0,"No playlist");
-    }
-    lcd_update();
-    sleep(HZ);
 }
 
 void main_menu(void)

apps/playlist.c

@@ -31,6 +31,7 @@
 #include "kernel.h"
 
 playlist_info_t playlist;
+bool playlist_shuffle = false;
 
 char now_playing[256];
 
@@ -101,9 +102,13 @@ void play_list(char *dir, char *file)
     /* add track indices to playlist data structure */
     add_indices_to_playlist(&playlist);
 
-    /* if shuffle is wanted, this is where to do that */
+    if(playlist_shuffle) {
+        lcd_puts(0,0,"Shuffling...");
+        lcd_update();
+        randomise_playlist( &playlist, current_tick );
+    }
 
-    lcd_puts(0,0,"Complete. ");
+    lcd_puts(0,0,"Playing...  ");
     lcd_update();
     /* also make the first song get playing */
     mpeg_play(playlist_next(0));

apps/playlist.h

@@ -20,6 +20,8 @@
 #ifndef __PLAYLIST_H__
 #define __PLAYLIST_H__
 
+#include <stdbool.h>
+
 /* playlist data */
 
 #define MAX_PLAYLIST_SIZE 10000
@@ -33,6 +35,7 @@ typedef struct
 } playlist_info_t;
 
 extern playlist_info_t playlist;
+extern bool playlist_shuffle;
 
 void play_list(char *dir, char *file);
 char* playlist_next(int type);