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Revision 1.221 by sf-exg, Thu Jun 21 06:08:05 2012 UTC vs.
Revision 1.241 by sf-exg, Fri Oct 10 14:38:02 2014 UTC

1=encoding utf8 1=encoding utf8
2 2
3=head1 NAME 3=head1 NAME
4 4
5@@RXVT_NAME@@perl - rxvt-unicode's embedded perl interpreter 5urxvtperl - rxvt-unicode's embedded perl interpreter
6 6
7=head1 SYNOPSIS 7=head1 SYNOPSIS
8 8
9 # create a file grab_test in $HOME: 9 # create a file grab_test in $HOME:
10 10
11 sub on_sel_grab { 11 sub on_sel_grab {
12 warn "you selected ", $_[0]->selection; 12 warn "you selected ", $_[0]->selection;
13 () 13 ()
14 } 14 }
15 15
16 # start a @@RXVT_NAME@@ using it: 16 # start a urxvt using it:
17 17
18 @@RXVT_NAME@@ --perl-lib $HOME -pe grab_test 18 urxvt --perl-lib $HOME -pe grab_test
19 19
20=head1 DESCRIPTION 20=head1 DESCRIPTION
21 21
22Every time a terminal object gets created, extension scripts specified via 22Every time a terminal object gets created, extension scripts specified via
23the C<perl> resource are loaded and associated with it. 23the C<perl> resource are loaded and associated with it.
24 24
25Scripts are compiled in a 'use strict "vars"' and 'use utf8' environment, and 25Scripts are compiled in a 'use strict "vars"' and 'use utf8' environment, and
26thus must be encoded as UTF-8. 26thus must be encoded as UTF-8.
27 27
28Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where 28Each script will only ever be loaded once, even in urxvtd, where
29scripts will be shared (but not enabled) for all terminals. 29scripts will be shared (but not enabled) for all terminals.
30 30
31You can disable the embedded perl interpreter by setting both "perl-ext" 31You can disable the embedded perl interpreter by setting both "perl-ext"
32and "perl-ext-common" resources to the empty string. 32and "perl-ext-common" resources to the empty string.
33 33
34=head1 PREPACKAGED EXTENSIONS 34=head1 PREPACKAGED EXTENSIONS
35 35
36A number of extensions are delivered with this release. You can find them 36A number of extensions are delivered with this release. You can find them
37in F<@@RXVT_LIBDIR@@/urxvt/perl/>, and the documentation can be viewed 37in F<< <libdir>/urxvt/perl/ >>, and the documentation can be viewed using
38using F<< man urxvt-<EXTENSIONNAME> >>. 38F<< man urxvt-<EXTENSIONNAME> >>.
39 39
40You can activate them like this: 40You can activate them like this:
41 41
42 @@RXVT_NAME@@ -pe <extensionname> 42 urxvt -pe <extensionname>
43 43
44Or by adding them to the resource for extensions loaded by default: 44Or by adding them to the resource for extensions loaded by default:
45 45
46 URxvt.perl-ext-common: default,selection-autotransform 46 URxvt.perl-ext-common: default,selection-autotransform
47 47
103internal use. 103internal use.
104 104
105Although it isn't a C<urxvt::term> object, you can call all methods of the 105Although it isn't a C<urxvt::term> object, you can call all methods of the
106C<urxvt::term> class on this object. 106C<urxvt::term> class on this object.
107 107
108It has the following methods and data members: 108Additional methods only supported for extension objects are described in
109 109the C<urxvt::extension> section below.
110=over 4
111
112=item $urxvt_term = $self->{term}
113
114Returns the C<urxvt::term> object associated with this instance of the
115extension. This member I<must not> be changed in any way.
116
117=item $self->enable ($hook_name => $cb[, $hook_name => $cb..])
118
119Dynamically enable the given hooks (named without the C<on_> prefix) for
120this extension, replacing any previous hook. This is useful when you want
121to overwrite time-critical hooks only temporarily.
122
123To install additional callbacks for the same hook, you can use the C<on>
124method of the C<urxvt::term> class.
125
126=item $self->disable ($hook_name[, $hook_name..])
127
128Dynamically disable the given hooks.
129
130=item $self->x_resource ($pattern)
131
132=item $self->x_resource_boolean ($pattern)
133
134These methods support an additional C<%> prefix when called on an
135extension object - see the description of these methods in the
136C<urxvt::term> class for details.
137
138=back
139 110
140=head2 Hooks 111=head2 Hooks
141 112
142The following subroutines can be declared in extension files, and will be 113The following subroutines can be declared in extension files, and will be
143called whenever the relevant event happens. 114called whenever the relevant event happens.
310 281
311=item on_refresh_end $term 282=item on_refresh_end $term
312 283
313Called just after the screen gets redrawn. See C<on_refresh_begin>. 284Called just after the screen gets redrawn. See C<on_refresh_begin>.
314 285
315=item on_user_command $term, $string 286=item on_user_command $term, $string *DEPRECATED*
316 287
317Called whenever a user-configured event is being activated (e.g. via 288Called whenever a user-configured event is being activated (e.g. via
318a C<perl:string> action bound to a key, see description of the B<keysym> 289a C<perl:string> action bound to a key, see description of the B<keysym>
319resource in the @@RXVT_NAME@@(1) manpage). 290resource in the urxvt(1) manpage).
320 291
321The event is simply the action string. This interface is assumed to change 292The event is simply the action string. This interface is going away in
322slightly in the future. 293preference to the C<on_action> hook.
323
324=item on_register_command $term, $keysym, $modifiermask, $string
325
326Called after parsing a keysym resource but before registering the
327associated binding. If this hook returns TRUE the binding is not
328registered. It can be used to modify a binding by calling
329C<register_command>.
330 294
331=item on_resize_all_windows $term, $new_width, $new_height 295=item on_resize_all_windows $term, $new_width, $new_height
332 296
333Called just after the new window size has been calculated, but before 297Called just after the new window size has been calculated, but before
334windows are actually being resized or hints are being set. If this hook 298windows are actually being resized or hints are being set. If this hook
335returns TRUE, setting of the window hints is being skipped. 299returns a true value, setting of the window hints is being skipped.
336 300
337=item on_x_event $term, $event 301=item on_x_event $term, $event
338 302
339Called on every X event received on the vt window (and possibly other 303Called on every X event received on the vt window (and possibly other
340windows). Should only be used as a last resort. Most event structure 304windows). Should only be used as a last resort. Most event structure
379manpage), with the additional members C<row> and C<col>, which are the 343manpage), with the additional members C<row> and C<col>, which are the
380(real, not screen-based) row and column under the mouse cursor. 344(real, not screen-based) row and column under the mouse cursor.
381 345
382C<on_key_press> additionally receives the string rxvt-unicode would 346C<on_key_press> additionally receives the string rxvt-unicode would
383output, if any, in locale-specific encoding. 347output, if any, in locale-specific encoding.
384
385subwindow.
386 348
387=item on_client_message $term, $event 349=item on_client_message $term, $event
388 350
389=item on_wm_protocols $term, $event 351=item on_wm_protocols $term, $event
390 352
593no warnings 'utf8'; 555no warnings 'utf8';
594 556
595sub parse_resource { 557sub parse_resource {
596 my ($term, $name, $isarg, $longopt, $flag, $value) = @_; 558 my ($term, $name, $isarg, $longopt, $flag, $value) = @_;
597 559
598 $name =~ y/-/./ if $isarg;
599
600 $term->scan_meta; 560 $term->scan_extensions;
601 561
602 my $r = $term->{meta}{resource}; 562 my $r = $term->{meta}{resource};
603 keys %$r; # reste iterator 563 keys %$r; # reset iterator
604 while (my ($pattern, $v) = each %$r) { 564 while (my ($k, $v) = each %$r) {
605 if ( 565 my $pattern = $k;
566 $pattern =~ y/./-/ if $isarg;
567 my $prefix = $name;
568 my $suffix;
606 $pattern =~ /\.$/ 569 if ($pattern =~ /\-$/) {
607 ? $pattern eq substr $name, 0, length $pattern 570 $prefix = substr $name, 0, length $pattern;
608 : $pattern eq $name 571 $suffix = substr $name, length $pattern;
609 ) { 572 }
573 if ($pattern eq $prefix) {
610 $name = "$urxvt::RESCLASS.$name"; 574 $name = "$urxvt::RESCLASS.$k$suffix";
611 575
612 push @{ $term->{perl_ext_3} }, $v->[0]; 576 push @{ $term->{perl_ext_3} }, $v->[0];
613 577
614 if ($v->[1] eq "boolean") { 578 if ($v->[1] eq "boolean") {
615 $term->put_option_db ($name, $flag ? "true" : "false"); 579 $term->put_option_db ($name, $flag ? "true" : "false");
625} 589}
626 590
627sub usage { 591sub usage {
628 my ($term, $usage_type) = @_; 592 my ($term, $usage_type) = @_;
629 593
630 $term->scan_meta; 594 $term->scan_extensions;
631 595
632 my $r = $term->{meta}{resource}; 596 my $r = $term->{meta}{resource};
633 597
634 for my $pattern (sort keys %$r) { 598 for my $pattern (sort keys %$r) {
635 my ($ext, $type, $desc) = @{ $r->{$pattern} }; 599 my ($ext, $type, $desc) = @{ $r->{$pattern} };
696# called by the rxvt core 660# called by the rxvt core
697sub invoke { 661sub invoke {
698 local $TERM = shift; 662 local $TERM = shift;
699 my $htype = shift; 663 my $htype = shift;
700 664
701 if ($htype == 0) { # INIT 665 if ($htype == HOOK_INIT) {
702 my @dirs = $TERM->perl_libdirs; 666 my @dirs = $TERM->perl_libdirs;
667
668 $TERM->scan_extensions;
703 669
704 my %ext_arg; 670 my %ext_arg;
705 671
706 { 672 {
707 my @init = @TERM_INIT; 673 my @init = @TERM_INIT;
711 @TERM_EXT = (); 677 @TERM_EXT = ();
712 $TERM->register_package ($_) for @pkg; 678 $TERM->register_package ($_) for @pkg;
713 } 679 }
714 680
715 for ( 681 for (
716 @{ delete $TERM->{perl_ext_3} },
717 grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2 682 grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2
718 ) { 683 ) {
719 if ($_ eq "default") { 684 if ($_ eq "default") {
720 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline); 685
686 $ext_arg{$_} = []
687 for
688 qw(selection option-popup selection-popup readline),
689 @{ delete $TERM->{perl_ext_3} },
690 map $_->[0], values %{ $TERM->{meta}{binding} };
691
692 for ($TERM->_keysym_resources) {
693 next if /^(?:string|command|builtin|builtin-string|perl)/;
694 next unless /^([A-Za-z0-9_\-]+):/;
695
696 my $ext = $1;
697
698 $ext_arg{$ext} = [];
699 }
700
721 } elsif (/^-(.*)$/) { 701 } elsif (/^-(.*)$/) {
722 delete $ext_arg{$1}; 702 delete $ext_arg{$1};
703
723 } elsif (/^([^<]+)<(.*)>$/) { 704 } elsif (/^([^<]+)<(.*)>$/) {
724 push @{ $ext_arg{$1} }, $2; 705 push @{ $ext_arg{$1} }, $2;
706
725 } else { 707 } else {
726 $ext_arg{$_} ||= []; 708 $ext_arg{$_} ||= [];
709 }
710 }
711
712 # now register default key bindings
713 for my $ext (sort keys %ext_arg) {
714 while (my ($k, $v) = each %{ $TERM->{meta}{ext}{$ext}{binding} }) {
715 $TERM->bind_action ($k, "$v->[0]:$v->[1]");
727 } 716 }
728 } 717 }
729 718
730 for my $ext (sort keys %ext_arg) { 719 for my $ext (sort keys %ext_arg) {
731 my @files = grep -f $_, map "$_/$ext", @dirs; 720 my @files = grep -f $_, map "$_/$ext", @dirs;
745 734
746 if (my $cb = $TERM->{_hook}[$htype]) { 735 if (my $cb = $TERM->{_hook}[$htype]) {
747 verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")" 736 verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
748 if $verbosity >= 10; 737 if $verbosity >= 10;
749 738
739 if ($htype == HOOK_ACTION) {
740 # this hook is only sent to the extension with the name
741 # matching the first arg
742 my $pkg = shift;
743 $pkg =~ y/-/_/;
744 $pkg = "urxvt::ext::$pkg";
745
746 $cb = $cb->{$pkg}
747 or return undef; #TODO: maybe warn user?
748
749 $cb = { $pkg => $cb };
750 }
751
750 for my $pkg (keys %$cb) { 752 for my $pkg (keys %$cb) {
751 my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg} || $TERM, @_) }; 753 my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg} || $TERM, @_) };
752 $retval ||= $retval_; 754 $retval ||= $retval_;
753 755
754 if ($@) { 756 if ($@) {
759 761
760 verbose 11, "$HOOKNAME[$htype] returning <$retval>" 762 verbose 11, "$HOOKNAME[$htype] returning <$retval>"
761 if $verbosity >= 11; 763 if $verbosity >= 11;
762 } 764 }
763 765
764 if ($htype == 1) { # DESTROY 766 if ($htype == HOOK_DESTROY) {
765 # clear package objects 767 # clear package objects
766 %$_ = () for values %{ $TERM->{_pkg} }; 768 %$_ = () for values %{ $TERM->{_pkg} };
767 769
768 # clear package 770 # clear package
769 %$TERM = (); 771 %$TERM = ();
801 ($mask, @color{qw(fg bg)}, \@failed) 803 ($mask, @color{qw(fg bg)}, \@failed)
802} 804}
803 805
804package urxvt::term::extension; 806package urxvt::term::extension;
805 807
806sub enable { 808=head2 The C<urxvt::term::extension> class
807 my ($self, %hook) = @_;
808 my $pkg = $self->{_pkg};
809 809
810 while (my ($name, $cb) = each %hook) { 810Each extension attached to a terminal object is represented by
811 my $htype = $HOOKTYPE{uc $name}; 811a C<urxvt::term::extension> object.
812 defined $htype
813 or Carp::croak "unsupported hook type '$name'";
814 812
815 $self->set_should_invoke ($htype, +1) 813You can use these objects, which are passed to all callbacks to store any
816 unless exists $self->{term}{_hook}[$htype]{$pkg}; 814state related to the terminal and extension instance.
817 815
818 $self->{term}{_hook}[$htype]{$pkg} = $cb; 816The methods (And data members) documented below can be called on extension
819 } 817objects, in addition to call methods documented for the <urxvt::term>
820} 818class.
821 819
822sub disable { 820=over 4
823 my ($self, @hook) = @_;
824 my $pkg = $self->{_pkg};
825 821
826 for my $name (@hook) { 822=item $urxvt_term = $self->{term}
827 my $htype = $HOOKTYPE{uc $name};
828 defined $htype
829 or Carp::croak "unsupported hook type '$name'";
830 823
831 $self->set_should_invoke ($htype, -1) 824Returns the C<urxvt::term> object associated with this instance of the
832 if delete $self->{term}{_hook}[$htype]{$pkg}; 825extension. This member I<must not> be changed in any way.
833 } 826
834} 827=cut
835 828
836our $AUTOLOAD; 829our $AUTOLOAD;
837 830
838sub AUTOLOAD { 831sub AUTOLOAD {
839 $AUTOLOAD =~ /:([^:]+)$/ 832 $AUTOLOAD =~ /:([^:]+)$/
852 845
853sub DESTROY { 846sub DESTROY {
854 # nop 847 # nop
855} 848}
856 849
857# urxvt::destroy_hook 850# urxvt::destroy_hook (basically a cheap Guard:: implementation)
858 851
859sub urxvt::destroy_hook::DESTROY { 852sub urxvt::destroy_hook::DESTROY {
860 ${$_[0]}->(); 853 ${$_[0]}->();
861} 854}
862 855
863sub urxvt::destroy_hook(&) { 856sub urxvt::destroy_hook(&) {
864 bless \shift, urxvt::destroy_hook:: 857 bless \shift, urxvt::destroy_hook::
865} 858}
859
860=item $self->enable ($hook_name => $cb[, $hook_name => $cb..])
861
862Dynamically enable the given hooks (named without the C<on_> prefix) for
863this extension, replacing any hook previously installed via C<enable> in
864this extension.
865
866This is useful when you want to overwrite time-critical hooks only
867temporarily.
868
869To install additional callbacks for the same hook, you can use the C<on>
870method of the C<urxvt::term> class.
871
872=item $self->disable ($hook_name[, $hook_name..])
873
874Dynamically disable the given hooks.
875
876=cut
877
878sub enable {
879 my ($self, %hook) = @_;
880 my $pkg = $self->{_pkg};
881
882 while (my ($name, $cb) = each %hook) {
883 my $htype = $HOOKTYPE{uc $name};
884 defined $htype
885 or Carp::croak "unsupported hook type '$name'";
886
887 $self->set_should_invoke ($htype, +1)
888 unless exists $self->{term}{_hook}[$htype]{$pkg};
889
890 $self->{term}{_hook}[$htype]{$pkg} = $cb;
891 }
892}
893
894sub disable {
895 my ($self, @hook) = @_;
896 my $pkg = $self->{_pkg};
897
898 for my $name (@hook) {
899 my $htype = $HOOKTYPE{uc $name};
900 defined $htype
901 or Carp::croak "unsupported hook type '$name'";
902
903 $self->set_should_invoke ($htype, -1)
904 if delete $self->{term}{_hook}[$htype]{$pkg};
905 }
906}
907
908=item $guard = $self->on ($hook_name => $cb[, $hook_name => $cb..])
909
910Similar to the C<enable> enable, but installs additional callbacks for
911the given hook(s) (that is, it doesn't replace existing callbacks), and
912returns a guard object. When the guard object is destroyed the callbacks
913are disabled again.
914
915=cut
916
917sub urxvt::extension::on_disable::DESTROY {
918 my $disable = shift;
919
920 my $term = delete $disable->{""};
921
922 while (my ($htype, $id) = each %$disable) {
923 delete $term->{_hook}[$htype]{$id};
924 $term->set_should_invoke ($htype, -1);
925 }
926}
927
928sub on {
929 my ($self, %hook) = @_;
930
931 my $term = $self->{term};
932
933 my %disable = ( "" => $term );
934
935 while (my ($name, $cb) = each %hook) {
936 my $htype = $HOOKTYPE{uc $name};
937 defined $htype
938 or Carp::croak "unsupported hook type '$name'";
939
940 $term->set_should_invoke ($htype, +1);
941 $term->{_hook}[$htype]{ $disable{$htype} = $cb+0 }
942 = sub { shift; $cb->($self, @_) }; # very ugly indeed
943 }
944
945 bless \%disable, "urxvt::extension::on_disable"
946}
947
948=item $self->x_resource ($pattern)
949
950=item $self->x_resource_boolean ($pattern)
951
952These methods support an additional C<%> prefix when called on an
953extension object - see the description of these methods in the
954C<urxvt::term> class for details.
955
956=cut
866 957
867sub x_resource { 958sub x_resource {
868 my ($self, $name) = @_; 959 my ($self, $name) = @_;
869 $name =~ s/^%(\.|$)/$_[0]{_name}$1/; 960 $name =~ s/^%(\.|$)/$_[0]{_name}$1/;
870 $self->{term}->x_resource ($name) 961 $self->{term}->x_resource ($name)
873sub x_resource_boolean { 964sub x_resource_boolean {
874 my ($self, $name) = @_; 965 my ($self, $name) = @_;
875 $name =~ s/^%(\.|$)/$_[0]{_name}$1/; 966 $name =~ s/^%(\.|$)/$_[0]{_name}$1/;
876 $self->{term}->x_resource_boolean ($name) 967 $self->{term}->x_resource_boolean ($name)
877} 968}
969
970=back
971
972=cut
878 973
879package urxvt::anyevent; 974package urxvt::anyevent;
880 975
881=head2 The C<urxvt::anyevent> Class 976=head2 The C<urxvt::anyevent> Class
882 977
1001 $ENV{URXVT_PERL_LIB}, 1096 $ENV{URXVT_PERL_LIB},
1002 "$ENV{HOME}/.urxvt/ext", 1097 "$ENV{HOME}/.urxvt/ext",
1003 "$LIBDIR/perl" 1098 "$LIBDIR/perl"
1004} 1099}
1005 1100
1006sub scan_meta { 1101# scan for available extensions and collect their metadata
1102sub scan_extensions {
1007 my ($self) = @_; 1103 my ($self) = @_;
1104
1105 return if exists $self->{meta};
1106
1008 my @libdirs = perl_libdirs $self; 1107 my @libdirs = perl_libdirs $self;
1009 1108
1010 return if $self->{meta_libdirs} eq join "\x00", @libdirs; 1109# return if $self->{meta_libdirs} eq join "\x00", @libdirs;#d#
1011 1110
1012 my %meta;
1013
1014 $self->{meta_libdirs} = join "\x00", @libdirs; 1111# $self->{meta_libdirs} = join "\x00", @libdirs;#d#
1015 $self->{meta} = \%meta; 1112 $self->{meta} = \my %meta;
1016 1113
1114 # first gather extensions
1017 for my $dir (reverse @libdirs) { 1115 for my $dir (reverse @libdirs) {
1018 opendir my $fh, $dir 1116 opendir my $fh, $dir
1019 or next; 1117 or next;
1020 for my $ext (readdir $fh) { 1118 for my $ext (readdir $fh) {
1021 $ext ne "." 1119 $ext !~ /^\./
1022 and $ext ne ".."
1023 and open my $fh, "<", "$dir/$ext" 1120 and open my $fh, "<", "$dir/$ext"
1024 or next; 1121 or next;
1025 1122
1123 my %ext = (dir => $dir);
1124
1026 while (<$fh>) { 1125 while (<$fh>) {
1027 if (/^#:META:X_RESOURCE:(.*)/) { 1126 if (/^#:META:(?:X_)?RESOURCE:(.*)/) {
1028 my ($pattern, $type, $desc) = split /:/, $1; 1127 my ($pattern, $type, $desc) = split /:/, $1;
1029 $pattern =~ s/^%(\.|$)/$ext$1/g; # % in pattern == extension name 1128 $pattern =~ s/^%(\.|$)/$ext$1/g; # % in pattern == extension name
1030 if ($pattern =~ /[^a-zA-Z0-9\-\.]/) { 1129 if ($pattern =~ /[^a-zA-Z0-9\-\.]/) {
1031 warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n"; 1130 warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n";
1032 } else { 1131 } else {
1033 $meta{resource}{$pattern} = [$ext, $type, $desc]; 1132 $ext{resource}{$pattern} = [$ext, $type, $desc];
1034 } 1133 }
1134 } elsif (/^#:META:BINDING:(.*)/) {
1135 my ($keysym, $action) = split /:/, $1;
1136 $ext{binding}{$keysym} = [$ext, $action];
1035 } elsif (/^\s*(?:#|$)/) { 1137 } elsif (/^\s*(?:#|$)/) {
1036 # skip other comments and empty lines 1138 # skip other comments and empty lines
1037 } else { 1139 } else {
1038 last; # stop parsing on first non-empty non-comment line 1140 last; # stop parsing on first non-empty non-comment line
1039 } 1141 }
1040 } 1142 }
1143
1144 $meta{ext}{$ext} = \%ext;
1041 } 1145 }
1146 }
1147
1148 # and now merge resources and bindings
1149 while (my ($k, $v) = each %{ $meta{ext} }) {
1150 #TODO: should check for extensions overriding each other
1151 %{ $meta{resource} } = (%{ $meta{resource} }, %{ $v->{resource} });
1152 %{ $meta{binding} } = (%{ $meta{binding} }, %{ $v->{binding} });
1042 } 1153 }
1043} 1154}
1044 1155
1045=item $term = new urxvt::term $envhashref, $rxvtname, [arg...] 1156=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
1046 1157
1066} 1177}
1067 1178
1068=item $term->destroy 1179=item $term->destroy
1069 1180
1070Destroy the terminal object (close the window, free resources 1181Destroy the terminal object (close the window, free resources
1071etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event 1182etc.). Please note that urxvt will not exit as long as any event
1072watchers (timers, io watchers) are still active. 1183watchers (timers, io watchers) are still active.
1073
1074=item $guard = $self->on ($hook_name => $cb[, $hook_name => $cb..])
1075
1076Similar to the extension method C<enable>, but installs additional
1077callbacks for the given hook(s) (existing ones are not replaced), and
1078returns a guard object. When the guard object is destroyed the callbacks
1079are disabled again.
1080
1081Note that these callbacks receive the normal parameters, but the first
1082argument (normally the extension) is currently undefined.
1083
1084=cut
1085
1086sub urxvt::term::on_disable::DESTROY {
1087 my $disable = shift;
1088
1089 my $self = delete $disable->{""};
1090
1091 while (my ($htype, $id) = each %$disable) {
1092 delete $self->{_hook}[$htype]{$id};
1093 $self->set_should_invoke ($htype, -1);
1094 }
1095}
1096
1097sub on {
1098 my ($self, %hook) = @_;
1099
1100 my %disable = ( "" => $self );
1101
1102 while (my ($name, $cb) = each %hook) {
1103 my $htype = $HOOKTYPE{uc $name};
1104 defined $htype
1105 or Carp::croak "unsupported hook type '$name'";
1106
1107 my $id = $cb+0;
1108
1109 $self->set_should_invoke ($htype, +1);
1110 $disable{$htype} = $id;
1111 $self->{_hook}[$htype]{$id} = $cb;
1112 }
1113
1114 bless \%disable, "urxvt::term::on_disable"
1115}
1116 1184
1117=item $term->exec_async ($cmd[, @args]) 1185=item $term->exec_async ($cmd[, @args])
1118 1186
1119Works like the combination of the C<fork>/C<exec> builtins, which executes 1187Works like the combination of the C<fork>/C<exec> builtins, which executes
1120("starts") programs in the background. This function takes care of setting 1188("starts") programs in the background. This function takes care of setting
1235 my $res = &x_resource; 1303 my $res = &x_resource;
1236 1304
1237 $res =~ /^\s*(?:true|yes|on|1)\s*$/i ? 1 : defined $res && 0 1305 $res =~ /^\s*(?:true|yes|on|1)\s*$/i ? 1 : defined $res && 0
1238} 1306}
1239 1307
1240=item $success = $term->parse_keysym ($key, $octets) 1308=item $success = $term->bind_action ($key, $octets)
1241 1309
1242Adds a key binding exactly as specified via a resource. See the 1310Adds a key binding exactly as specified via a C<keysym> resource. See the
1243C<keysym> resource in the @@RXVT_NAME@@(1) manpage. 1311C<keysym> resource in the urxvt(1) manpage.
1244
1245=item $term->register_command ($keysym, $modifiermask, $string)
1246
1247Adds a key binding. This is a lower level api compared to
1248C<parse_keysym>, as it expects a parsed key description, and can be
1249used only inside either the C<on_init> hook, to add a binding, or the
1250C<on_register_command> hook, to modify a parsed binding.
1251 1312
1252=item $rend = $term->rstyle ([$new_rstyle]) 1313=item $rend = $term->rstyle ([$new_rstyle])
1253 1314
1254Return and optionally change the current rendition. Text that is output by 1315Return and optionally change the current rendition. Text that is output by
1255the terminal application will use this style. 1316the terminal application will use this style.
1435=item $term->tt_write ($octets) 1496=item $term->tt_write ($octets)
1436 1497
1437Write the octets given in C<$octets> to the tty (i.e. as program input). To 1498Write the octets given in C<$octets> to the tty (i.e. as program input). To
1438pass characters instead of octets, you should convert your strings first 1499pass characters instead of octets, you should convert your strings first
1439to the locale-specific encoding using C<< $term->locale_encode >>. 1500to the locale-specific encoding using C<< $term->locale_encode >>.
1501
1502=item $term->tt_write_user_input ($octets)
1503
1504Like C<tt_write>, but should be used when writing strings in response to
1505the user pressing a key, to invoke the additional actions requested by
1506the user for that case (C<tt_write> doesn't do that).
1507
1508The typical use case would be inside C<on_action> hooks.
1440 1509
1441=item $term->tt_paste ($octets) 1510=item $term->tt_paste ($octets)
1442 1511
1443Write the octets given in C<$octets> to the tty as a paste, converting NL to 1512Write the octets given in C<$octets> to the tty as a paste, converting NL to
1444CR and bracketing the data with control sequences if bracketed paste mode 1513CR and bracketing the data with control sequences if bracketed paste mode
1678} 1747}
1679 1748
1680sub urxvt::line::t { 1749sub urxvt::line::t {
1681 my ($self) = @_; 1750 my ($self) = @_;
1682 1751
1683 if (@_ > 1) 1752 if (@_ > 1) {
1684 {
1685 $self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol}) 1753 $self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1686 for $self->{beg} .. $self->{end}; 1754 for $self->{beg} .. $self->{end};
1687 } 1755 }
1688 1756
1689 defined wantarray && 1757 defined wantarray &&
1690 substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}), 1758 substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),
1691 0, $self->{len} 1759 0, $self->{len}
1692} 1760}
1693 1761
1694sub urxvt::line::r { 1762sub urxvt::line::r {
1695 my ($self) = @_; 1763 my ($self) = @_;
1696 1764
1697 if (@_ > 1) 1765 if (@_ > 1) {
1698 {
1699 $self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol}) 1766 $self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1700 for $self->{beg} .. $self->{end}; 1767 for $self->{beg} .. $self->{end};
1701 } 1768 }
1702 1769
1703 if (defined wantarray) { 1770 if (defined wantarray) {
1704 my $rend = [ 1771 my $rend = [
1705 map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end} 1772 map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}
1706 ]; 1773 ];

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