Player: Credits plugin correctly working with UTF-8. Patch by Marcoen Hirschberg.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@9862 a1c6a512-1295-4272-9138-f99709370657

3 files changed, 8 insertions, 5 deletions

diff --git a/apps/plugin.c b/apps/plugin.c
index 0b09d07ad6..4f56e2d5da 100644
--- a/apps/plugin.c
+++ b/apps/plugin.c
@@ -438,6 +438,7 @@ static const struct plugin_api rockbox_api = {
 #ifdef HAVE_LCD_BITMAP
     lcd_setmargins,
 #endif
+    utf8seek,
 };
 
 int plugin_load(const char* plugin, void* parameter)
diff --git a/apps/plugin.h b/apps/plugin.h
index 52732c5ff7..8d451d8f6f 100644
--- a/apps/plugin.h
+++ b/apps/plugin.h
@@ -103,7 +103,7 @@
 #define PLUGIN_MAGIC 0x526F634B /* RocK */
 
 /* increase this every time the api struct changes */
-#define PLUGIN_API_VERSION 19
+#define PLUGIN_API_VERSION 20
 
 /* update this to latest version if a change to the api struct breaks
    backwards compatibility (and please take the opportunity to sort in any
@@ -514,6 +514,7 @@ struct plugin_api {
 #ifdef HAVE_LCD_BITMAP
     void (*lcd_setmargins)(int x, int y);
 #endif
+    int (*utf8seek)(const unsigned char* utf8, int offset);
 };
 
 /* plugin header */
diff --git a/apps/plugins/credits.c b/apps/plugins/credits.c
index 12bfa60a8f..b726771edc 100644
--- a/apps/plugins/credits.c
+++ b/apps/plugins/credits.c
@@ -58,7 +58,7 @@ void roll_credits(void)
 {
     int numnames = sizeof(credits)/sizeof(char*);
     int curr_name = 0;
-    int curr_len = rb->strlen(credits[0]);
+    int curr_len = rb->utf8length(credits[0]);
     int curr_index = 0;
     int curr_line = 0;
     int name, len, new_len, line, x;
@@ -77,19 +77,20 @@ void roll_credits(void)
             int x2;
 
             if (x < 0)
-                rb->lcd_puts(0, line, credits[name] - x);
+                rb->lcd_puts(0, line, credits[name] + rb->utf8seek(credits[name], -x));
             else
                 rb->lcd_puts(x, line, credits[name]);
 
             if (++name >= numnames)
                 break;
+
             line ^= 1;
 
             x2 = x + len/2;
             if ((unsigned)x2 < 11)
                 rb->lcd_putc(x2, line, '*');
 
-            new_len = rb->strlen(credits[name]);
+            new_len = rb->utf8length(credits[name]);
             x += MAX(len/2 + 2, len - new_len/2 + 1);
             len = new_len;
         }
@@ -101,7 +102,7 @@ void roll_credits(void)
         {
             if (++curr_name >= numnames)
                 break;
-            new_len = rb->strlen(credits[curr_name]);
+            new_len = rb->utf8length(credits[curr_name]);
             curr_index -= MAX(curr_len/2 + 2, curr_len - new_len/2 + 1);
             curr_len = new_len;
             curr_line ^= 1;