Fix FS#6716 - make it easier to follow the selected file going in and

out of the trees


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12638 a1c6a512-1295-4272-9138-f99709370657

3 files changed, 20 insertions, 5 deletions

diff --git a/apps/root_menu.c b/apps/root_menu.c
index 279b5f8bf4..f30e10c249 100644
--- a/apps/root_menu.c
+++ b/apps/root_menu.c
@@ -88,10 +88,10 @@ static int browser(void* param)
                     last_screen == GO_TO_WPS && audio_status() &&
                     wps_state.current_track_path[0] != '\0')
             {
-                snprintf(folder, MAX_PATH, "%s", wps_state.current_track_path);
+                strcpy(folder, wps_state.current_track_path);
             }
             else
-                snprintf(folder, MAX_PATH, "%s/", last_folder);
+                strcpy(folder, last_folder);
         break;
         case GO_TO_DBBROWSER:
             if ((last_screen != GO_TO_ROOT) && !tagcache_is_usable())
@@ -111,7 +111,7 @@ static int browser(void* param)
     switch ((intptr_t)param)
     {
         case GO_TO_FILEBROWSER:
-            strcpy(last_folder, tc->currdir);
+            get_current_file(last_folder, MAX_PATH);
         break;
         case GO_TO_DBBROWSER:
             last_db_dirlevel = tc->dirlevel;
diff --git a/apps/tree.c b/apps/tree.c
index 06b42b7c86..e4237dc598 100644
--- a/apps/tree.c
+++ b/apps/tree.c
@@ -474,6 +474,21 @@ void reload_directory(void)
     reload_dir = true;
 }
 
+void get_current_file(char* buffer, int buffer_len)
+{
+#ifdef HAVE_TAGCACHE
+    /* in ID3DB mode it is a bad idea to call this function */
+    /* (only happens with `follow playlist') */
+    if( *tc.dirfilter == SHOW_ID3DB )
+        return;
+#endif
+
+    struct entry* dc = tc.dircache;
+    struct entry* e = &dc[tc.selected_item];
+    snprintf(buffer, buffer_len, "%s/%s", getcwd(NULL,0),
+                                          e->name);
+}
+
 /* Selects a file and update tree context properly */
 void set_current_file(char *path)
 {
@@ -505,8 +520,6 @@ void set_current_file(char *path)
 
     strcpy(lastfile, name);
 
-    /* undefined item selected */
-    tc.selected_item = -1;
 
     /* If we changed dir we must recalculate the dirlevel
        and adjust the selected history properly */
@@ -1153,6 +1166,7 @@ int rockbox_browse(const char *root, int dirfilter)
         int last_context;
         
         backup = tc;
+        tc.selected_item = 0;
         tc.dirlevel = 0;
         memcpy(tc.currdir, root, sizeof(tc.currdir));
         start_wps = false;
diff --git a/apps/tree.h b/apps/tree.h
index 7b202e0fbc..9fb8c233a0 100644
--- a/apps/tree.h
+++ b/apps/tree.h
@@ -100,6 +100,7 @@ struct tree_context {
 void tree_get_filetypes(const struct filetype**, int*);
 void tree_init(void);
 void browse_root(void);
+void get_current_file(char* buffer, int buffer_len);
 void set_current_file(char *path);
 int rockbox_browse(const char *root, int dirfilter);
 bool create_playlist(void);