preemptively load messages when scrolling

diff --git a/lib/sup/modes/line-cursor-mode.rb b/lib/sup/modes/line-cursor-mode.rb
index 246f2b5461c69a7a53241d237fa7a647d14371fc..0b1fd1de5418cf2c533590e4dfcc2836cb705551 100644 (file)
--- a/lib/sup/modes/line-cursor-mode.rb
+++ b/lib/sup/modes/line-cursor-mode.rb
@@ -77,7 +77,7 @@ protected
   end
 
   def cursor_down
-    call_load_more_callbacks buffer.content_height if @curpos == lines - 1
+    call_load_more_callbacks buffer.content_height if @curpos >= lines - [buffer.content_height/2,1].max
     return false unless @curpos < lines - 1
 
     if @curpos >= botline - 1