core: fix display bug when scrolling in buffer on a filtered line (closes #240)

1 files changed, 9 insertions, 0 deletions

diff --git a/src/gui/curses/gui-curses-chat.c b/src/gui/curses/gui-curses-chat.c
index bdc14f25a..c50047f0b 100644
--- a/src/gui/curses/gui-curses-chat.c
+++ b/src/gui/curses/gui-curses-chat.c
@@ -1739,6 +1739,12 @@ gui_chat_draw_formatted_buffer (struct t_gui_window *window)
                 }
             }
         }
+        else if (!ptr_line->data->displayed)
+        {
+            /* skip filtered lines on top when scrolling */
+            ptr_line = gui_line_get_next_displayed (ptr_line);
+            line_pos = 0;
+        }
     }
 
     if (auto_search_first_line)
@@ -1748,6 +1754,9 @@ gui_chat_draw_formatted_buffer (struct t_gui_window *window)
                                       (-1) * (window->win_chat_height - 1));
     }
 
+    if (!ptr_line)
+        return;
+
     count = 0;
 
     if (line_pos > 0)