[Bug-wget] [PATCH] Make the marquee a proper marquee

[Alex Henrie]

This patch gives the user plenty of time to see the beginning and the
end of the filename before the edge scrolls out of view.

The marquee initially appears in the middle of the available space.
---
 src/progress.c | 23 +++++++++++++++++++----
 1 file changed, 19 insertions(+), 4 deletions(-)

diff --git a/src/progress.c b/src/progress.c
index 465bebf..61b635d 100644
--- a/src/progress.c
+++ b/src/progress.c
@@ -967,16 +967,31 @@ create_image (struct bar_progress *bp, double 
dl_total_time, bool done)
       if ((orig_filename_cols > MAX_FILENAME_COLS + MIN_SCROLL_TEXT) &&
           !opt.noscroll &&
           !done)
-        offset_cols = ((int) bp->tick) % (orig_filename_cols - 
MAX_FILENAME_COLS + 1);
+        {
+          offset_cols = ((int) bp->tick + orig_filename_cols + 
MAX_FILENAME_COLS / 2)
+                        % (orig_filename_cols + MAX_FILENAME_COLS);
+          if (offset_cols > orig_filename_cols)
+            {
+              padding = MAX_FILENAME_COLS - (offset_cols - orig_filename_cols);
+              memset(p, ' ', padding);
+              p += padding;
+              offset_cols = 0;
+            }
+          else
+            padding = 0;
+        }
       else
-        offset_cols = 0;
+        {
+          padding = 0;
+          offset_cols = 0;
+        }
       offset_bytes = cols_to_bytes (bp->f_download, offset_cols, cols_ret);
       bytes_in_filename = cols_to_bytes (bp->f_download + offset_bytes,
-                                         MAX_FILENAME_COLS,
+                                         MAX_FILENAME_COLS - padding,
                                          cols_ret);
       memcpy (p, bp->f_download + offset_bytes, bytes_in_filename);
       p += bytes_in_filename;
-      padding = MAX_FILENAME_COLS - *cols_ret;
+      padding = MAX_FILENAME_COLS - (padding + *cols_ret);
       for (;padding;padding--)
           *p++ = ' ';
       *p++ = ' ';
-- 
2.4.4