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[ruby/reline] Stop erasing chars after the cursor at eol

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When the cursor is at the end of the line and erases characters after the
cursor, some terminals delete the character at the cursor position.

e96ec97b02
This commit is contained in:
aycabta 2020-09-09 19:46:30 +09:00
parent 2e34b35a0f
commit 0ec19cc843
1 changed files with 12 additions and 2 deletions
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14
lib/reline/line_editor.rb
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@ -492,8 +492,18 @@ class Reline::LineEditor
Reline::IOGate.move_cursor_column(0)
visual_lines.each_with_index do |line, index|
if line.nil?
if Reline::IOGate.win? and calculate_width(visual_lines[index - 1], true) == Reline::IOGate.get_screen_size.last
# A newline is automatically inserted if a character is rendered at eol on command prompt.
if calculate_width(visual_lines[index - 1], true) == Reline::IOGate.get_screen_size.last
# reaches the end of line
if Reline::IOGate.win?
# A newline is automatically inserted if a character is rendered at
# eol on command prompt.
else
# When the cursor is at the end of the line and erases characters
# after the cursor, some terminals delete the character at the
# cursor position.
move_cursor_down(1)
Reline::IOGate.move_cursor_column(0)
end
else
Reline::IOGate.erase_after_cursor
move_cursor_down(1)