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[ruby/reline] Add comments about where rerendering

https://github.com/ruby/reline/commit/4406069b7e
This commit is contained in:
aycabta 2021-08-19 03:49:38 +09:00
parent 55459bdd67
commit 6f66927aef

View file

@ -603,6 +603,7 @@ class Reline::LineEditor
visual_lines.concat(vl)
}
if old_dialog_vertical_offset < @dialog_vertical_offset
# rerender top
move_cursor_down(old_dialog_vertical_offset)
start = visual_start + old_dialog_vertical_offset
line_num = @dialog_vertical_offset - old_dialog_vertical_offset
@ -615,6 +616,7 @@ class Reline::LineEditor
move_cursor_up(old_dialog_vertical_offset + line_num - 1)
end
if (old_dialog_vertical_offset + old_dialog_contents.size) > (@dialog_vertical_offset + @dialog_contents.size)
# rerender bottom
move_cursor_down(@dialog_vertical_offset + @dialog_contents.size)
start = visual_start + @dialog_vertical_offset + @dialog_contents.size
line_num = (old_dialog_vertical_offset + old_dialog_contents.size) - (@dialog_vertical_offset + @dialog_contents.size)
@ -627,6 +629,7 @@ class Reline::LineEditor
move_cursor_up(@dialog_vertical_offset + @dialog_contents.size + line_num - 1)
end
if old_dialog_column < @dialog_column
# rerender left
move_cursor_down(old_dialog_vertical_offset)
width = @dialog_column - old_dialog_column
start = visual_start + old_dialog_vertical_offset
@ -644,6 +647,7 @@ class Reline::LineEditor
move_cursor_up(old_dialog_vertical_offset + line_num - 1)
end
if (old_dialog_column + DIALOG_WIDTH) > (@dialog_column + DIALOG_WIDTH)
# rerender right
move_cursor_down(old_dialog_vertical_offset)
width = (old_dialog_column + DIALOG_WIDTH) - (@dialog_column + DIALOG_WIDTH)
start = visual_start + old_dialog_vertical_offset