diff options
| -rw-r--r-- | lib/reline/line_editor.rb | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/reline/line_editor.rb b/lib/reline/line_editor.rb index 9a03903d14..a1402a0f9e 100644 --- a/lib/reline/line_editor.rb +++ b/lib/reline/line_editor.rb @@ -52,6 +52,7 @@ class Reline::LineEditor MenuInfo = Struct.new('MenuInfo', :target, :list) PROMPT_LIST_CACHE_TIMEOUT = 0.5 + MINIMUM_SCROLLBAR_HEIGHT = 1 def initialize(config, encoding) @config = config @@ -715,7 +716,7 @@ class Reline::LineEditor moving_distance = (dialog_render_info.contents.size - height) * 2 position_ratio = dialog.scroll_top.zero? ? 0.0 : ((dialog.scroll_top * 2).to_f / moving_distance) bar_height = (bar_max_height * ((dialog.contents.size * 2).to_f / (dialog_render_info.contents.size * 2))).floor.to_i - bar_height = 1 if bar_height.zero? + bar_height = MINIMUM_SCROLLBAR_HEIGHT if bar_height < MINIMUM_SCROLLBAR_HEIGHT dialog.scrollbar_pos = ((bar_max_height - bar_height) * position_ratio).floor.to_i else dialog.scrollbar_pos = nil |