Redraw bugfix: redraw from snapshot when suspended.

Without this, we cannot move horizontally while suspended, because
the display refuses to refresh. Suspend mode means that we still
refresh the display, but using the current snapshot data, rather
than replacing that snapshot from the FIFO.

1 files changed, 3 insertions, 1 deletions

diff --git a/pw.c b/pw.c
index 7f39674..96181f0 100644
--- a/pw.c
+++ b/pw.c
@@ -204,7 +204,9 @@ static void redraw(char **circbuf, int nlines, int hpos,
       snapshot[i] = dsref(circbuf[i]);
     }
   } else {
-    clrline();
+    printf("\r\033[%dA\033[J", snaplines);
+    for (int i = 0; i < snaplines; i++)
+      drawline(snapshot[i], hpos, columns);
   }
   drawstatus(stat, cmd);
 }