Added reload_directory() to plugin api and modified text editor and sudoku plugins to call it when saving a new file. Fixes B#5360.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@10053 a1c6a512-1295-4272-9138-f99709370657

apps/plugin.c

@@ -441,6 +441,7 @@ static const struct plugin_api rockbox_api = {
     utf8seek,
     
     set_int,
+    reload_directory,
 };
 
 int plugin_load(const char* plugin, void* parameter)

apps/plugin.h

@@ -104,7 +104,7 @@
 #define PLUGIN_MAGIC 0x526F634B /* RocK */
 
 /* increase this every time the api struct changes */
-#define PLUGIN_API_VERSION 21
+#define PLUGIN_API_VERSION 22
 
 /* update this to latest version if a change to the api struct breaks
    backwards compatibility (and please take the opportunity to sort in any
@@ -520,6 +520,7 @@ struct plugin_api {
     bool (*set_int)(const unsigned char* string, const char* unit, int voice_unit,
                     int* variable, void (*function)(int), int step, int min,
                     int max, void (*formatter)(char*, int, int, const char*) );
+    void (*reload_directory)(void);
 };
 
 /* plugin header */

apps/plugins/sudoku/sudoku.c

@@ -689,6 +689,7 @@ bool save_sudoku(struct sudoku_state_t* state)
         /* Add a blank line at end */
         rb->write(fd,"\r\n",2);
         rb->close(fd);
+        rb->reload_directory();
         /* Save a copy of the saved state - so we can reload without
            using the disk */
         rb->memcpy(state->savedboard,state->currentboard,81);

apps/plugins/text_editor.c

@@ -223,6 +223,10 @@ void save_changes(int overwrite)
         return;
     }
 
+    if (!overwrite)
+        /* current directory may have changed */
+        rb->reload_directory();
+
     rb->lcd_clear_display();
 #ifdef HAVE_ADJUSTABLE_CPU_FREQ
     rb->cpu_boost(1);