lib/sup/modes/scroll-mode.rb in sup-0.0.2 vs lib/sup/modes/scroll-mode.rb in sup-0.0.3

@@ -75,25 +75,35 @@
     @topline = @topline.clamp 0, lines - 1
     @topline = 0 if @topline < 0 # empty 
     @botline = [@topline + buffer.content_height, lines].min
   end
 
+  def resize *a
+    super *a
+    ensure_mode_validity
+  end
+
 protected
 
   def draw_line ln, opts={}
     case(s = self[ln])
     when String
       buffer.write ln - @topline, 0, s[@leftcol .. -1],
                    :highlight => opts[:highlight]
     when Array
       xpos = 0
+
+      ## speed test
+      # str = s.map { |color, text| text }.join
+      # buffer.write ln - @topline, 0, str, :color => :none, :highlight => opts[:highlight]
+      # return
+
       s.each do |color, text|
-        raise "nil text for color '#{color}'" if text.nil?
+        raise "nil text for color '#{color}'" if text.nil? # good for debugging
         if xpos + text.length < @leftcol
           buffer.write ln - @topline, 0, "", :color => color,
                        :highlight => opts[:highlight]
           xpos += text.length
-          ## nothing
         elsif xpos < @leftcol
           ## partial
           buffer.write ln - @topline, 0, text[(@leftcol - xpos) .. -1],
                        :color => color,
                        :highlight => opts[:highlight]