screen: correctly clear expansion area

We incorrectly clear the alternate-screen and width-extensions. Fix this.

Signed-off-by: David Herrmann <dh.herrmann@gmail.com>

diff --git a/src/tsm_screen.c b/src/tsm_screen.c
index 871fad7..a4d86bf 100644 (file)
--- a/src/tsm_screen.c
+++ b/src/tsm_screen.c
@@ -644,24 +644,20 @@ int tsm_screen_resize(struct tsm_screen *con, unsigned int x,
                }
        }
 
+       /* clear expansion area */
        for (j = 0; j < con->line_num; ++j) {
-               if (j >= con->size_y)
-                       i = 0;
-               else
+               i = 0;
+               if (j < con->size_y)
                        i = con->size_x;
 
-               if (x < con->main_lines[j]->size)
-                       width = x;
-               else
-                       width = con->main_lines[j]->size;
-               for (; i < width; ++i)
+               for ( ; i < x; ++i)
                        cell_init(con, &con->main_lines[j]->cells[i]);
 
-               if (x < con->alt_lines[j]->size)
-                       width = x;
-               else
-                       width = con->alt_lines[j]->size;
-               for (; i < width; ++i)
+               i = 0;
+               if (j < con->size_y)
+                       i = con->size_x;
+
+               for ( ; i < x; ++i)
                        cell_init(con, &con->alt_lines[j]->cells[i]);
        }