message: Draw bars with no alpha and width of num_events up to max width of 4
diff: @@ -1215,15 +1215,11 @@ protected:
  void draw()
  {
  - // Try to figure out how many events per x unit.
  - // Usually is around 1 (not crowded) to 40 (really crowded)
  - float crowding = num_events / floor( x1 - x0 + 1.0f );
  + ImU32 color = get_hue( hue, num_events ) | IM_COL32_A_MASK;
  + float min_width = std::min( num_events + 1.0f, 4.0f );
  + float width = std::max( x1 - x0, min_width );
  - // Try to map crowding to color hue.
  - uint32_t index = crowding * 6.0f / 42.0f;
  - ImU32 color = get_hue( hue, index );
  -
  - imgui_drawrect( x0, x1 - x0, y, h, color );
  + imgui_drawrect( x0, width, y, h, color );
  }
  public:
  