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mruby-bin-mirb: make Ctrl+K delete empty lines

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when pressing Ctrl+K on an empty line, delete the entire line instead
of doing nothing. this makes it easier to clean up empty lines while
editing multi-line input.

Co-authored-by: Claude <noreply@anthropic.com>
This commit is contained in:
Yukihiro "Matz" Matsumoto
2025-12-14 22:15:22 +09:00
parent 53e78b8353
commit cda57fcf03
1 changed files with 11 additions and 1 deletions
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mrbgems/mruby-bin-mirb/tools/mirb/mirb_buffer.c
+11 -1
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@@ -689,8 +689,18 @@ mirb_buffer_kill_to_end(mirb_buffer *buf)
line->len = buf->cursor_col;
buf->modified = TRUE;
}
else if (line->len == 0 && buf->line_count > 1) {
/* Empty line: delete the entire line */
save_to_kill(buf, "\n", 1);
mirb_buffer_delete_line(buf, buf->cursor_line);
/* Adjust cursor to end of previous line if we deleted from middle */
if (buf->cursor_line > 0 && buf->cursor_line >= buf->line_count) {
buf->cursor_line = buf->line_count - 1;
}
buf->cursor_col = 0;
}
else if (buf->cursor_line < buf->line_count - 1) {
/* At end of line: kill newline (join with next line) */
/* At end of non-empty line: kill newline (join with next line) */
save_to_kill(buf, "\n", 1);
mirb_buffer_delete_forward(buf);
}