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| author | Simon Ruderich <simon@ruderich.org> | 2010-10-03 02:41:51 +0000 |
|---|---|---|
| committer | Simon Ruderich <simon@ruderich.org> | 2010-10-03 02:41:51 +0000 |
| commit | 0e08f7de0ff69c5b4c7bae34f29c79b16486ac99 (patch) | |
| tree | 22ebe85dd133fb086d14d7855720e7adf73b8089 /vim-mode/vim_mode.pl | |
| parent | vim_mode: Only track input positions for d operator. (diff) | |
| download | irssi-scripts-0e08f7de0ff69c5b4c7bae34f29c79b16486ac99.tar.gz irssi-scripts-0e08f7de0ff69c5b4c7bae34f29c79b16486ac99.zip | |
vim_mode: Fix undo if some changes were already undid.
Diffstat (limited to 'vim-mode/vim_mode.pl')
| -rw-r--r-- | vim-mode/vim_mode.pl | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/vim-mode/vim_mode.pl b/vim-mode/vim_mode.pl index 512a281..74d8403 100644 --- a/vim-mode/vim_mode.pl +++ b/vim-mode/vim_mode.pl @@ -1872,6 +1872,14 @@ sub UNLOAD { sub _add_undo_entry { my ($line, $pos) = @_; + + # If we aren't at the top of the history stack, then drop newer entries as + # we can't branch (yet). + while ($undo_index > 0) { + shift @undo_buffer; + $undo_index--; + } + # check it's not a dupe of the list head my $current = $undo_buffer[$undo_index]; if ($line eq $current->[0] && $pos == $current->[1]) { |