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authoraycabta <aycabta@gmail.com>2020-12-27 18:37:16 +0900
committeraycabta <aycabta@gmail.com>2021-01-08 13:25:18 +0900
commit54c1dcba2ba670c671afe5c2dc3213d74f57e0e3 (patch)
tree652f425613293db9ba6d5c80e086a0598b67f13b
parent559f844bf4a607eb94ab16817ee6f9fcfb0d54bd (diff)
[ruby/reline] Update cursor correctly when just cursor moving
This fixes ruby/reline#236 and ruby/reline#239. https://github.com/ruby/reline/commit/3e3c89d00b
-rw-r--r--lib/reline/line_editor.rb4
-rw-r--r--test/reline/yamatanooroti/test_rendering.rb18
2 files changed, 21 insertions, 1 deletions
diff --git a/lib/reline/line_editor.rb b/lib/reline/line_editor.rb
index d4075c0934..5b598357e5 100644
--- a/lib/reline/line_editor.rb
+++ b/lib/reline/line_editor.rb
@@ -471,7 +471,7 @@ class Reline::LineEditor
calculate_height_by_lines(@buffer_of_lines[0..(@line_index - 1)], prompt_list || prompt)
end
first_line_diff = new_first_line_started_from - @first_line_started_from
- new_cursor, _, new_started_from, _ = calculate_nearest_cursor(@line, @cursor, @started_from, @byte_pointer, false)
+ new_cursor, new_cursor_max, new_started_from, new_byte_pointer = calculate_nearest_cursor(@buffer_of_lines[@line_index], @cursor, @started_from, @byte_pointer, false)
new_started_from = calculate_height_by_width(prompt_width + new_cursor) - 1
calculate_scroll_partial_screen(@highest_in_all, new_first_line_started_from + new_started_from)
@previous_line_index = nil
@@ -485,6 +485,8 @@ class Reline::LineEditor
@first_line_started_from = new_first_line_started_from
@started_from = new_started_from
@cursor = new_cursor
+ @cursor_max = new_cursor_max
+ @byte_pointer = new_byte_pointer
move_cursor_down(first_line_diff + @started_from)
Reline::IOGate.move_cursor_column((prompt_width + @cursor) % @screen_size.last)
false
diff --git a/test/reline/yamatanooroti/test_rendering.rb b/test/reline/yamatanooroti/test_rendering.rb
index 0ec48c1896..3ba157a7ef 100644
--- a/test/reline/yamatanooroti/test_rendering.rb
+++ b/test/reline/yamatanooroti/test_rendering.rb
@@ -620,6 +620,24 @@ begin
EOC
end
+ def test_update_cursor_correctly_when_just_cursor_moving
+ start_terminal(5, 30, %W{ruby -I#{@pwd}/lib #{@pwd}/bin/multiline_repl}, startup_message: 'Multiline REPL.')
+ puts %W{ruby -I#{@pwd}/lib #{@pwd}/bin/multiline_repl}.inspect
+ write("def hoge\n 01234678")
+ write("\C-p")
+ write("\C-b")
+ write("\C-n")
+ write('5')
+ write("\C-e")
+ write('9')
+ close
+ assert_screen(<<~EOC)
+ Multiline REPL.
+ prompt> def hoge
+ prompt> 0123456789
+ EOC
+ end
+
private def write_inputrc(content)
File.open(@inputrc_file, 'w') do |f|
f.write content