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Comparing rxvt-unicode/src/urxvt.pm (file contents):
Revision 1.223 by root, Sat Jul 14 08:00:18 2012 UTC vs.
Revision 1.235 by sf-exg, Sat May 17 15:33:24 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
281 281
282=item on_refresh_end $term 282=item on_refresh_end $term
283 283
284Called just after the screen gets redrawn. See C<on_refresh_begin>. 284Called just after the screen gets redrawn. See C<on_refresh_begin>.
285 285
286=item on_user_command $term, $string 286=item on_user_command $term, $string *DEPRECATED*
287 287
288Called whenever a user-configured event is being activated (e.g. via 288Called whenever a user-configured event is being activated (e.g. via
289a 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>
290resource in the @@RXVT_NAME@@(1) manpage). 290resource in the urxvt(1) manpage).
291 291
292The 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
293slightly in the future. 293preference to the C<on_action> hook.
294
295=item on_register_command $term, $keysym, $modifiermask, $string
296
297Called after parsing a keysym resource but before registering the
298associated binding. If this hook returns TRUE the binding is not
299registered. It can be used to modify a binding by calling
300C<register_command>.
301 294
302=item on_resize_all_windows $term, $new_width, $new_height 295=item on_resize_all_windows $term, $new_width, $new_height
303 296
304Called just after the new window size has been calculated, but before 297Called just after the new window size has been calculated, but before
305windows 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
306returns TRUE, setting of the window hints is being skipped. 299returns a true value, setting of the window hints is being skipped.
307 300
308=item on_x_event $term, $event 301=item on_x_event $term, $event
309 302
310Called 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
311windows). Should only be used as a last resort. Most event structure 304windows). Should only be used as a last resort. Most event structure
350manpage), 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
351(real, not screen-based) row and column under the mouse cursor. 344(real, not screen-based) row and column under the mouse cursor.
352 345
353C<on_key_press> additionally receives the string rxvt-unicode would 346C<on_key_press> additionally receives the string rxvt-unicode would
354output, if any, in locale-specific encoding. 347output, if any, in locale-specific encoding.
355
356subwindow.
357 348
358=item on_client_message $term, $event 349=item on_client_message $term, $event
359 350
360=item on_wm_protocols $term, $event 351=item on_wm_protocols $term, $event
361 352
566sub parse_resource { 557sub parse_resource {
567 my ($term, $name, $isarg, $longopt, $flag, $value) = @_; 558 my ($term, $name, $isarg, $longopt, $flag, $value) = @_;
568 559
569 $name =~ y/-/./ if $isarg; 560 $name =~ y/-/./ if $isarg;
570 561
571 $term->scan_meta; 562 $term->scan_extensions;
572 563
573 my $r = $term->{meta}{resource}; 564 my $r = $term->{meta}{resource};
574 keys %$r; # reste iterator 565 keys %$r; # reset iterator
575 while (my ($pattern, $v) = each %$r) { 566 while (my ($pattern, $v) = each %$r) {
576 if ( 567 if (
577 $pattern =~ /\.$/ 568 $pattern =~ /\.$/
578 ? $pattern eq substr $name, 0, length $pattern 569 ? $pattern eq substr $name, 0, length $pattern
579 : $pattern eq $name 570 : $pattern eq $name
596} 587}
597 588
598sub usage { 589sub usage {
599 my ($term, $usage_type) = @_; 590 my ($term, $usage_type) = @_;
600 591
601 $term->scan_meta; 592 $term->scan_extensions;
602 593
603 my $r = $term->{meta}{resource}; 594 my $r = $term->{meta}{resource};
604 595
605 for my $pattern (sort keys %$r) { 596 for my $pattern (sort keys %$r) {
606 my ($ext, $type, $desc) = @{ $r->{$pattern} }; 597 my ($ext, $type, $desc) = @{ $r->{$pattern} };
667# called by the rxvt core 658# called by the rxvt core
668sub invoke { 659sub invoke {
669 local $TERM = shift; 660 local $TERM = shift;
670 my $htype = shift; 661 my $htype = shift;
671 662
672 if ($htype == 0) { # INIT 663 if ($htype == HOOK_INIT) {
673 my @dirs = $TERM->perl_libdirs; 664 my @dirs = $TERM->perl_libdirs;
665
666 $TERM->scan_extensions;
674 667
675 my %ext_arg; 668 my %ext_arg;
676 669
677 { 670 {
678 my @init = @TERM_INIT; 671 my @init = @TERM_INIT;
716 709
717 if (my $cb = $TERM->{_hook}[$htype]) { 710 if (my $cb = $TERM->{_hook}[$htype]) {
718 verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")" 711 verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
719 if $verbosity >= 10; 712 if $verbosity >= 10;
720 713
714 if ($htype == HOOK_ACTION) {
715 # this hook is only sent to the extension with the name
716 # matching the first arg
717 my $pkg = shift;
718 $pkg =~ y/-/_/;
719 $pkg = "urxvt::ext::$pkg";
720
721 $cb = $cb->{$pkg}
722 or return undef; #TODO: maybe warn user?
723
724 $cb = { $pkg => $cb };
725 }
726
721 for my $pkg (keys %$cb) { 727 for my $pkg (keys %$cb) {
722 my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg} || $TERM, @_) }; 728 my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg} || $TERM, @_) };
723 $retval ||= $retval_; 729 $retval ||= $retval_;
724 730
725 if ($@) { 731 if ($@) {
730 736
731 verbose 11, "$HOOKNAME[$htype] returning <$retval>" 737 verbose 11, "$HOOKNAME[$htype] returning <$retval>"
732 if $verbosity >= 11; 738 if $verbosity >= 11;
733 } 739 }
734 740
735 if ($htype == 1) { # DESTROY 741 if ($htype == HOOK_DESTROY) {
736 # clear package objects 742 # clear package objects
737 %$_ = () for values %{ $TERM->{_pkg} }; 743 %$_ = () for values %{ $TERM->{_pkg} };
738 744
739 # clear package 745 # clear package
740 %$TERM = (); 746 %$TERM = ();
827} 833}
828 834
829=item $self->enable ($hook_name => $cb[, $hook_name => $cb..]) 835=item $self->enable ($hook_name => $cb[, $hook_name => $cb..])
830 836
831Dynamically enable the given hooks (named without the C<on_> prefix) for 837Dynamically enable the given hooks (named without the C<on_> prefix) for
832this extension, replacing any previous hook. This is useful when you want 838this extension, replacing any hook previously installed via C<enable> in
833to overwrite time-critical hooks only temporarily. 839this extension.
840
841This is useful when you want to overwrite time-critical hooks only
842temporarily.
834 843
835To install additional callbacks for the same hook, you can use the C<on> 844To install additional callbacks for the same hook, you can use the C<on>
836method of the C<urxvt::term> class. 845method of the C<urxvt::term> class.
837 846
838=item $self->disable ($hook_name[, $hook_name..]) 847=item $self->disable ($hook_name[, $hook_name..])
884 my $disable = shift; 893 my $disable = shift;
885 894
886 my $term = delete $disable->{""}; 895 my $term = delete $disable->{""};
887 896
888 while (my ($htype, $id) = each %$disable) { 897 while (my ($htype, $id) = each %$disable) {
889 warn "disable hook $htype,$id\n";#d#
890 delete $term->{_hook}[$htype]{$id}; 898 delete $term->{_hook}[$htype]{$id};
891 $term->set_should_invoke ($htype, -1); 899 $term->set_should_invoke ($htype, -1);
892 } 900 }
893} 901}
894 902
1063 $ENV{URXVT_PERL_LIB}, 1071 $ENV{URXVT_PERL_LIB},
1064 "$ENV{HOME}/.urxvt/ext", 1072 "$ENV{HOME}/.urxvt/ext",
1065 "$LIBDIR/perl" 1073 "$LIBDIR/perl"
1066} 1074}
1067 1075
1068sub scan_meta { 1076# scan for available extensions and collect their metadata
1077sub scan_extensions {
1069 my ($self) = @_; 1078 my ($self) = @_;
1079
1080 return if exists $self->{meta};
1081
1070 my @libdirs = perl_libdirs $self; 1082 my @libdirs = perl_libdirs $self;
1071 1083
1072 return if $self->{meta_libdirs} eq join "\x00", @libdirs; 1084 return if $self->{meta_libdirs} eq join "\x00", @libdirs;
1073 1085
1074 my %meta; 1086 my %meta;
1075 1087
1076 $self->{meta_libdirs} = join "\x00", @libdirs; 1088 $self->{meta_libdirs} = join "\x00", @libdirs;
1077 $self->{meta} = \%meta; 1089 $self->{meta} = \%meta;
1078 1090
1091 my %ext;
1092
1093 # first gather extensions
1079 for my $dir (reverse @libdirs) { 1094 for my $dir (reverse @libdirs) {
1080 opendir my $fh, $dir 1095 opendir my $fh, $dir
1081 or next; 1096 or next;
1082 for my $ext (readdir $fh) { 1097 for my $ext (readdir $fh) {
1083 $ext ne "." 1098 $ext !~ /^\./
1084 and $ext ne ".."
1085 and open my $fh, "<", "$dir/$ext" 1099 and open my $fh, "<", "$dir/$ext"
1086 or next; 1100 or next;
1087 1101
1102 my %ext = (dir => $dir);
1103
1088 while (<$fh>) { 1104 while (<$fh>) {
1089 if (/^#:META:X_RESOURCE:(.*)/) { 1105 if (/^#:META:(?:X_)?RESOURCE:(.*)/) {
1090 my ($pattern, $type, $desc) = split /:/, $1; 1106 my ($pattern, $type, $desc) = split /:/, $1;
1091 $pattern =~ s/^%(\.|$)/$ext$1/g; # % in pattern == extension name 1107 $pattern =~ s/^%(\.|$)/$ext$1/g; # % in pattern == extension name
1092 if ($pattern =~ /[^a-zA-Z0-9\-\.]/) { 1108 if ($pattern =~ /[^a-zA-Z0-9\-\.]/) {
1093 warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n"; 1109 warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n";
1094 } else { 1110 } else {
1095 $meta{resource}{$pattern} = [$ext, $type, $desc]; 1111 $ext{resource}{$pattern} = [$ext, $type, $desc];
1096 } 1112 }
1113 } elsif (/^#:META:BINDING:(.*)/) {
1114 my ($keysym, $action) = split /:/, $1;
1115 $ext{binding}{$keysym} = $action;
1097 } elsif (/^\s*(?:#|$)/) { 1116 } elsif (/^\s*(?:#|$)/) {
1098 # skip other comments and empty lines 1117 # skip other comments and empty lines
1099 } else { 1118 } else {
1100 last; # stop parsing on first non-empty non-comment line 1119 last; # stop parsing on first non-empty non-comment line
1101 } 1120 }
1102 } 1121 }
1122
1123 $meta{$ext} = \%ext;
1103 } 1124 }
1125 }
1126
1127 # and now merge resources and bindings
1128 while (my ($k, $v) = each %ext) {
1129 #TODO: should check for extensions overriding each other
1130 %{ $meta{resource} } = (%{ $meta{resource} }, %{ $v->{resource} });
1131 %{ $meta{binding} } = (%{ $meta{binding} }, %{ $v->{binding} });
1104 } 1132 }
1105} 1133}
1106 1134
1107=item $term = new urxvt::term $envhashref, $rxvtname, [arg...] 1135=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
1108 1136
1128} 1156}
1129 1157
1130=item $term->destroy 1158=item $term->destroy
1131 1159
1132Destroy the terminal object (close the window, free resources 1160Destroy the terminal object (close the window, free resources
1133etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event 1161etc.). Please note that urxvt will not exit as long as any event
1134watchers (timers, io watchers) are still active. 1162watchers (timers, io watchers) are still active.
1135 1163
1136=item $term->exec_async ($cmd[, @args]) 1164=item $term->exec_async ($cmd[, @args])
1137 1165
1138Works like the combination of the C<fork>/C<exec> builtins, which executes 1166Works like the combination of the C<fork>/C<exec> builtins, which executes
1254 my $res = &x_resource; 1282 my $res = &x_resource;
1255 1283
1256 $res =~ /^\s*(?:true|yes|on|1)\s*$/i ? 1 : defined $res && 0 1284 $res =~ /^\s*(?:true|yes|on|1)\s*$/i ? 1 : defined $res && 0
1257} 1285}
1258 1286
1259=item $success = $term->parse_keysym ($key, $octets) 1287=item $success = $term->bind_action ($key, $octets)
1260 1288
1261Adds a key binding exactly as specified via a resource. See the 1289Adds a key binding exactly as specified via a C<keysym> resource. See the
1262C<keysym> resource in the @@RXVT_NAME@@(1) manpage. 1290C<keysym> resource in the urxvt(1) manpage.
1263
1264=item $term->register_command ($keysym, $modifiermask, $string)
1265
1266Adds a key binding. This is a lower level api compared to
1267C<parse_keysym>, as it expects a parsed key description, and can be
1268used only inside either the C<on_init> hook, to add a binding, or the
1269C<on_register_command> hook, to modify a parsed binding.
1270 1291
1271=item $rend = $term->rstyle ([$new_rstyle]) 1292=item $rend = $term->rstyle ([$new_rstyle])
1272 1293
1273Return and optionally change the current rendition. Text that is output by 1294Return and optionally change the current rendition. Text that is output by
1274the terminal application will use this style. 1295the terminal application will use this style.
1454=item $term->tt_write ($octets) 1475=item $term->tt_write ($octets)
1455 1476
1456Write the octets given in C<$octets> to the tty (i.e. as program input). To 1477Write the octets given in C<$octets> to the tty (i.e. as program input). To
1457pass characters instead of octets, you should convert your strings first 1478pass characters instead of octets, you should convert your strings first
1458to the locale-specific encoding using C<< $term->locale_encode >>. 1479to the locale-specific encoding using C<< $term->locale_encode >>.
1480
1481=item $term->tt_write_user_input ($octets)
1482
1483Like C<tt_write>, but should be used when writing strings in response to
1484the user pressing a key, to invokes the additional actions requested by
1485the user for that case (C<tt_write> doesn't do that).
1486
1487The typical use case would be inside C<on_action> hooks.
1459 1488
1460=item $term->tt_paste ($octets) 1489=item $term->tt_paste ($octets)
1461 1490
1462Write the octets given in C<$octets> to the tty as a paste, converting NL to 1491Write the octets given in C<$octets> to the tty as a paste, converting NL to
1463CR and bracketing the data with control sequences if bracketed paste mode 1492CR and bracketing the data with control sequences if bracketed paste mode
1697} 1726}
1698 1727
1699sub urxvt::line::t { 1728sub urxvt::line::t {
1700 my ($self) = @_; 1729 my ($self) = @_;
1701 1730
1702 if (@_ > 1) 1731 if (@_ > 1) {
1703 {
1704 $self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol}) 1732 $self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1705 for $self->{beg} .. $self->{end}; 1733 for $self->{beg} .. $self->{end};
1706 } 1734 }
1707 1735
1708 defined wantarray && 1736 defined wantarray &&
1709 substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}), 1737 substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),
1710 0, $self->{len} 1738 0, $self->{len}
1711} 1739}
1712 1740
1713sub urxvt::line::r { 1741sub urxvt::line::r {
1714 my ($self) = @_; 1742 my ($self) = @_;
1715 1743
1716 if (@_ > 1) 1744 if (@_ > 1) {
1717 {
1718 $self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol}) 1745 $self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1719 for $self->{beg} .. $self->{end}; 1746 for $self->{beg} .. $self->{end};
1720 } 1747 }
1721 1748
1722 if (defined wantarray) { 1749 if (defined wantarray) {
1723 my $rend = [ 1750 my $rend = [
1724 map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end} 1751 map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}
1725 ]; 1752 ];

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