From 57e928f9f3c78aa2aa4dbcbd0fb90151566f7cb0 Mon Sep 17 00:00:00 2001
From: Linus Nielsen Feltzing <linus@haxx.se>
Date: Mon, 14 Apr 2003 07:53:58 +0000
Subject: Fixed the garbled display when deleting the last file in a directory
 (bug #680811)

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@3549 a1c6a512-1295-4272-9138-f99709370657
---
 apps/tree.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'apps')

diff --git a/apps/tree.c b/apps/tree.c
index b50dd5c826..5a8618babb 100644
--- a/apps/tree.c
+++ b/apps/tree.c
@@ -380,6 +380,21 @@ static int showdir(char *path, int start)
         dirstart = start;
     }
 
+    /* The cursor might point to an invalid line, for example if someone
+       deleted the last file in the dir */
+    if(filesindir)
+    {
+        while(start + dircursor >= filesindir)
+        {
+            if(start)
+                start--;
+            else
+                if(dircursor)
+                    dircursor--;
+        }
+        dirstart = start;
+    }
+
 #ifdef HAVE_LCD_CHARCELLS
     lcd_stop_scroll();
     lcd_double_height(false);
@@ -1119,6 +1134,7 @@ bool dirbrowse(char *root)
 
         if (restore || reload_dir) {
             /* restore display */
+
             /* We need to adjust if the number of lines on screen have
                changed because of a status bar change */
             if(CURSOR_Y+LINE_Y+dircursor>tree_max_on_screen) {
-- 
cgit v1.2.3