Fix resize bug.

[apps/madtty.git] / madtty / madtty.c

diff --git a/madtty/madtty.c b/madtty/madtty.c
index 95ea5e2..251780f 100644 (file)
--- a/madtty/madtty.c
+++ b/madtty/madtty.c
@@ -856,6 +856,8 @@ void madtty_resize(madtty_t *t, int rows, int cols)
             lines[row].attr = realloc(lines[row].attr, sizeof(uint16_t) * cols);
             if (t->cols < cols)
                 t_row_set(lines + row, t->cols, cols - t->cols, 0);
+            else
+                lines[row].dirty = true;
         }
         t->cols = cols;
     }
@@ -863,14 +865,13 @@ void madtty_resize(madtty_t *t, int rows, int cols)
     while (t->rows < rows) {
         lines[t->rows].text = (wchar_t *)calloc(sizeof(wchar_t), cols);
         lines[t->rows].attr = (uint16_t *)calloc(sizeof(uint16_t), cols);
+        t_row_set(lines + t->rows, 0, t->cols, 0);
         t->rows++;
     }
 
     t->curs_row   += lines - t->lines;
-    t->scroll_top += lines - t->lines;
-    t->scroll_bot += lines - t->lines;
-    if (t->scroll_bot > lines + t->rows)
-        t->scroll_bot = lines + t->rows;
+    t->scroll_top = lines;
+    t->scroll_bot = lines + rows;
     t->lines = lines;
     clamp_cursor_to_bounds(t);
     ioctl(t->pty, TIOCSWINSZ, &ws);