[ruby/reline] Use cached prompt list when just moved the cursor

ruby/reline@cfe619460b
ruby · Dec 18, 2020 · c2a5594 · c2a5594
1 parent d4257c6
commit c2a5594
Showing 1 changed file with 9 additions and 1 deletion.
diff --git a/lib/reline/line_editor.rb b/lib/reline/line_editor.rb
@@ -80,7 +80,15 @@ def simplified_rendering?
     end
     return [prompt, calculate_width(prompt, true), [prompt] * buffer.size] if simplified_rendering?
     if @prompt_proc
-      if @cached_prompt_list and Time.now.to_f < (@prompt_cache_time + PROMPT_LIST_CACHE_TIMEOUT) and buffer.size == @cached_prompt_list.size
+      use_cached_prompt_list = false
+      if @cached_prompt_list
+        if @just_cursor_moving
+          use_cached_prompt_list = true
+        elsif Time.now.to_f < (@prompt_cache_time + PROMPT_LIST_CACHE_TIMEOUT) and buffer.size == @cached_prompt_list.size
+          use_cached_prompt_list = true
+        end
+      end
+      if use_cached_prompt_list
         prompt_list = @cached_prompt_list
       else
         prompt_list = @cached_prompt_list = @prompt_proc.(buffer)