allow the user to change the shuffle and repeat modes from the touchscreen, update the mr500 default wps to show how to do it (hint, press the shuffle/rep icon)

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20937 a1c6a512-1295-4272-9138-f99709370657

apps/action.h

@@ -228,6 +228,14 @@ enum {
     ACTION_KBD_DOWN,
     ACTION_KBD_MORSE_INPUT,
     ACTION_KBD_MORSE_SELECT,
+    
+#ifdef HAVE_TOUCHSCREEN
+    /* the following are helper actions for touchscreen targets,
+     * These are for actions which are not doable or required if buttons are
+     * being used, but are nice additions if the touchscreen is used */
+    ACTION_TOUCH_SHUFFLE,
+    ACTION_TOUCH_REPMODE,
+#endif    
 
 
     LAST_ACTION_PLACEHOLDER, /* custom actions should be this + something */

apps/gui/gwps.c

@@ -64,6 +64,8 @@
 #include "appevents.h"
 #include "viewport.h"
 #include "pcmbuf.h"
+#include "option_select.h"
+#include "dsp.h"
 
 #define RESTORE_WPS_INSTANTLY       0l
 #define RESTORE_WPS_NEXT_SECOND     ((long)(HZ+current_tick))
@@ -732,7 +734,29 @@ long gui_wps_show(void)
                 restore = true;
             }
             break;
-
+#ifdef HAVE_TOUCHSCREEN
+            case ACTION_TOUCH_SHUFFLE: /* toggle shuffle mode */
+            {
+                global_settings.playlist_shuffle = 
+                                                !global_settings.playlist_shuffle;
+#if CONFIG_CODEC == SWCODEC
+                dsp_set_replaygain();
+#endif
+                if (global_settings.playlist_shuffle)
+                    playlist_randomise(NULL, current_tick, true);
+                else
+                    playlist_sort(NULL, true);
+            }
+            break;
+            case ACTION_TOUCH_REPMODE: /* cycle the repeat mode setting */
+            {
+                const struct settings_list *rep_setting = 
+                                find_setting(&global_settings.repeat_mode, NULL);
+                option_select_next_val(rep_setting, false, true);
+                audio_flush_and_reload_tracks();
+            }
+            break;
+#endif /* HAVE_TOUCHSCREEN */            
             case ACTION_REDRAW: /* yes are locked, just redraw */
                 /* fall througgh */
             case ACTION_NONE: /* Timeout, do an partial update */

apps/gui/wps_parser.c

@@ -1162,7 +1162,8 @@ struct touchaction {char* s; int action;};
 static struct touchaction touchactions[] = {
     {"play", ACTION_WPS_PLAY }, {"stop", ACTION_WPS_STOP },
     {"prev", ACTION_WPS_SKIPPREV }, {"next", ACTION_WPS_SKIPNEXT },
-    {"menu", ACTION_WPS_MENU }, {"browse", ACTION_WPS_BROWSE }
+    {"menu", ACTION_WPS_MENU }, {"browse", ACTION_WPS_BROWSE },
+    {"shuffle", ACTION_TOUCH_SHUFFLE }, {"repmode", ACTION_TOUCH_REPMODE }
 };
 static int parse_touchregion(const char *wps_bufptr,
         struct wps_token *token, struct wps_data *wps_data)
@@ -1184,6 +1185,8 @@ static int parse_touchregion(const char *wps_bufptr,
      * rwd
      * menu  -  go back to the main menu
      * browse - go back to the file/db browser
+     * shuffle - toggle shuffle mode
+     * repmode - cycle the repeat mode
     */
 
     if ((wps_data->touchregion_count +1 >= MAX_TOUCHREGIONS) || (*ptr != '|'))

wps/cabbiev2.320x240x16.mrobe500.wps

@@ -4,6 +4,8 @@
 %wd
 %T|286|207|24|24|play|
 %T|0|207|84|24|menu|
+%T|218|211|24|24|shuffle|
+%T|261|207|24|24|repmode|
 %X|wpsbackdrop-320x240x16.bmp|
 %xl|A|lock-320x240x16.bmp|91|207|2|
 %xl|B|battery-320x240x16.bmp|126|207|10|