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Diffstat (limited to 'urxvt/ext/select.pl')
-rw-r--r-- | urxvt/ext/select.pl | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/urxvt/ext/select.pl b/urxvt/ext/select.pl new file mode 100644 index 00000000..90b13960 --- /dev/null +++ b/urxvt/ext/select.pl @@ -0,0 +1,93 @@ +# Tom Ryder's choice of selection behaviours for urxvt, butchered from included +# URxvt extension scripts. + +# Force me to write this properly +use strict; +use warnings; +use utf8; + +# Require at least this version of Perl +use 5.006; + +# Use plain-English variable names +use English qw(-no_match_vars); + +# Set version of this extension +our $VERSION = 1.0; + +# On creation, read all of cutchars into a list of regex-quoted patterns +sub on_init { + my ($self) = @_; + if ( defined( my $res = $self->resource('cutchars') ) ) { + $res = $self->locale_decode($res); + push @{ $self->{patterns} }, + qr{\G [\Q$res\E[:space:]]* ([^\Q$res\E[:space:]]+) }msx; + } + return (); +} + +# Handle multiple-clicking selection extension +sub on_sel_extend { + my ($self) = @_; + + # Get attributes of the current selection + my ( $row, $col ) = $self->selection_mark; + my $line = $self->line($row); + my $text = $line->t; + my $markofs = $line->offset_of( $row, $col ); + my $curlen = + $line->offset_of( $self->selection_end ) - + $line->offset_of( $self->selection_beg ); + + # Find all the possible matches + my @matches; + if ( $markofs < $line->l ) { + + # `perldoc -f study` says this does nothing useful anymore since + # version 5.16 + study $text; + + for my $regex ( @{ $self->{patterns} } ) { + while ( $text =~ m{$regex}gmsx ) { + if ( $LAST_MATCH_START[1] <= $markofs + and $markofs <= $LAST_MATCH_END[1] ) + { + my $ofs = $LAST_MATCH_START[1]; + my $match = $1; + + push @matches, [ $ofs, length $match ]; + } + } + } + } + + # If no more clever patterns matched, just snarf the whole line + push @matches, [ 0, ( $line->end - $line->beg + 1 ) * $self->ncol ]; + + # Iterate over the matches to choose the shortest one + MATCH: + for ( + sort { ## no critic (ProhibitReverseSortBlock) + $a->[1] <=> $b->[1] + or $b->[0] <=> $a->[0] + } @matches + ) + { + my ( $ofs, $len ) = @{$_}; + next MATCH if $len <= $curlen; + $self->selection_beg( $line->coord_of($ofs) ); + $self->selection_end( $line->coord_of( $ofs + $len ) ); + return 1; + } + + # Done + return (); +} + +# Copy selections to CLIPBOARD as well as PRIMARY. +sub on_sel_grab { + my ( $self, $time ) = @_; + $self->selection( $self->selection, 1 ); + $self->selection_grab( $time, 1 ); + return (); +} |