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| author | YO4 <ysno@ac.auone-net.jp> | 2021-12-11 23:40:01 +0900 |
|---|---|---|
| committer | git <svn-admin@ruby-lang.org> | 2021-12-20 14:51:52 +0900 |
| commit | 65cb250cb15f8b93cee8a1a7c1e8adb1b2e6e95e (patch) | |
| tree | 021321d7dd400b340b5ba353932bd9c1ed9dc76b | |
| parent | 2c415cda854ab02f8341428b5346a115d3648a48 (diff) | |
| download | ruby-65cb250cb15f8b93cee8a1a7c1e8adb1b2e6e95e.tar.gz | |
[ruby/reline] windows clear screen with \e 2 J
Windows Terminal does smart screen clearing when \e 2 J (not clear entire screen but scrolls down just needed)
On consoles not support sequences, ruby still converts it to API call.
https://github.com/ruby/reline/commit/c00930dab9
| -rw-r--r-- | lib/reline/windows.rb | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/lib/reline/windows.rb b/lib/reline/windows.rb index 23bbd087a4..8710e6cb80 100644 --- a/lib/reline/windows.rb +++ b/lib/reline/windows.rb @@ -390,16 +390,7 @@ class Reline::Windows end def self.clear_screen - return unless csbi = get_console_screen_buffer_info - buffer_width = csbi[0, 2].unpack1('S') - attributes = csbi[8, 2].unpack1('S') - _window_left, window_top, _window_right, window_bottom = *csbi[10,8].unpack('S*') - fill_length = buffer_width * (window_bottom - window_top + 1) - screen_topleft = window_top * 65536 - written = 0.chr * 4 - @@FillConsoleOutputCharacter.call(@@hConsoleHandle, 0x20, fill_length, screen_topleft, written) - @@FillConsoleOutputAttribute.call(@@hConsoleHandle, attributes, fill_length, screen_topleft, written) - @@SetConsoleCursorPosition.call(@@hConsoleHandle, screen_topleft) + @@output.write "\e[2J" "\e[H" end def self.set_screen_size(rows, columns) |