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Comparing rxvt-unicode/src/urxvt.pm (file contents):
Revision 1.103 by root, Wed Jan 18 11:05:09 2006 UTC vs.
Revision 1.115 by root, Fri Jan 20 15:57:21 2006 UTC

34find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>. 34find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>.
35 35
36You can activate them like this: 36You can activate them like this:
37 37
38 @@RXVT_NAME@@ -pe <extensionname> 38 @@RXVT_NAME@@ -pe <extensionname>
39
40Or by adding them to the resource for extensions loaded by default:
41
42 URxvt.perl-ext-common: default,automove-background,selection-autotransform
39 43
40=over 4 44=over 4
41 45
42=item selection (enabled by default) 46=item selection (enabled by default)
43 47
89 93
90Binds a popup menu to Ctrl-Button3 that lets you convert the selection 94Binds a popup menu to Ctrl-Button3 that lets you convert the selection
91text into various other formats/action (such as uri unescaping, perl 95text into various other formats/action (such as uri unescaping, perl
92evalution, web-browser starting etc.), depending on content. 96evalution, web-browser starting etc.), depending on content.
93 97
94Other extensions can extend this popup menu by pushing a code reference onto 98Other extensions can extend this popup menu by pushing a code reference
95C<@urxvt::ext::selection_popup::hook>, that is called whenever the popup is displayed. 99onto C<@{ $term->{selection_popup_hook} }>, that is called whenever the
100popup is displayed.
96 101
97It's sole argument is the popup menu, which can be modified. The selection 102It's sole argument is the popup menu, which can be modified. The selection
98is in C<$_>, which can be used to decide wether to add something or not. 103is in C<$_>, which can be used to decide wether to add something or not.
99It should either return nothing or a string and a code reference. The 104It should either return nothing or a string and a code reference. The
100string will be used as button text and the code reference will be called 105string will be used as button text and the code reference will be called
102 107
103The following will add an entry C<a to b> that transforms all C<a>s in 108The following will add an entry C<a to b> that transforms all C<a>s in
104the selection to C<b>s, but only if the selection currently contains any 109the selection to C<b>s, but only if the selection currently contains any
105C<a>s: 110C<a>s:
106 111
107 push urxvt::ext::selection_popup::hook, sub { 112 push @{ $self->{term}{selection_popup_hook} }, sub {
108 /a/ ? ("a to be" => sub { s/a/b/g } 113 /a/ ? ("a to be" => sub { s/a/b/g }
109 : () 114 : ()
110 }; 115 };
111 116
112=item searchable-scrollback<hotkey> (enabled by default) 117=item searchable-scrollback<hotkey> (enabled by default)
143 URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/ 148 URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/
144 149
145And this example matches the same,but replaces it with vi-commands you can 150And this example matches the same,but replaces it with vi-commands you can
146paste directly into your (vi :) editor: 151paste directly into your (vi :) editor:
147 152
148 URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/\\x1b:e \\Q$1\\E\\x0d:$2\\x0d/ 153 URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/:e \\Q$1\\E\\x0d:$2\\x0d/
149 154
150Of course, this can be modified to suit your needs and your editor :) 155Of course, this can be modified to suit your needs and your editor :)
151 156
152To expand the example above to typical perl error messages ("XXX at 157To expand the example above to typical perl error messages ("XXX at
153FILENAME line YYY."), you need a slightly more elaborate solution: 158FILENAME line YYY."), you need a slightly more elaborate solution:
154 159
155 URxvt.selection.pattern-0: ( at .*? line \\d+\\.) 160 URxvt.selection.pattern-0: ( at .*? line \\d+[,.])
156 URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)\\.$/\x1b:e \\Q$1\E\\x0d:$2\\x0d/ 161 URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)[,.]$/:e \\Q$1\E\\x0d:$2\\x0d/
157 162
158The first line tells the selection code to treat the unchanging part of 163The first line tells the selection code to treat the unchanging part of
159every error message as a selection pattern, and the second line transforms 164every error message as a selection pattern, and the second line transforms
160the message into vi commands to load the file. 165the message into vi commands to load the file.
166
167=item tabbed
168
169This transforms the terminal into a tabbar with additional terminals, that
170is, it implements what is commonly refered to as "tabbed terminal". The topmost line
171displays a "[NEW]" button, which, when clicked, will add a new tab, followed by one
172button per tab.
173
174Clicking a button will activate that tab. Pressing Shift-Left and
175Shift-Right will switch to the tab left or right of the current one.
161 176
162=item mark-urls 177=item mark-urls
163 178
164Uses per-line display filtering (C<on_line_update>) to underline urls and 179Uses per-line display filtering (C<on_line_update>) to underline urls and
165make them clickable. When middle-clicked, the program specified in the 180make them clickable. When middle-clicked, the program specified in the
166resource C<urlLauncher> (default C<x-www-browser>) will be started with 181resource C<urlLauncher> (default C<x-www-browser>) will be started with
167the URL as first argument. 182the URL as first argument.
183
184=item automove-background
185
186This is basically a one-line extension that dynamically changes the background pixmap offset
187to the window position, in effect creating the same effect as pseudo transparency with
188a custom pixmap. No scaling is supported in this mode. Exmaple:
189
190 @@RXVT_NAME@@ -pixmap background.xpm -pe automove-background
168 191
169=item block-graphics-to-ascii 192=item block-graphics-to-ascii
170 193
171A not very useful example of filtering all text output to the terminal, 194A not very useful example of filtering all text output to the terminal,
172by replacing all line-drawing characters (U+2500 .. U+259F) by a 195by replacing all line-drawing characters (U+2500 .. U+259F) by a
290called whenever the relevant event happens. 313called whenever the relevant event happens.
291 314
292The first argument passed to them is an extension oject as described in 315The first argument passed to them is an extension oject as described in
293the in the C<Extension Objects> section. 316the in the C<Extension Objects> section.
294 317
295B<All> of these hooks must return a boolean value. If it is true, then the 318B<All> of these hooks must return a boolean value. If any of the called
296event counts as being I<consumed>, and the invocation of other hooks is 319hooks returns true, then the event counts as being I<consumed>, and the
297skipped, and the relevant action might not be carried out by the C++ code. 320relevant action might not be carried out by the C++ code.
298 321
299I<< When in doubt, return a false value (preferably C<()>). >> 322I<< When in doubt, return a false value (preferably C<()>). >>
300 323
301=over 4 324=over 4
302 325
303=item on_init $term 326=item on_init $term
304 327
305Called after a new terminal object has been initialized, but before 328Called after a new terminal object has been initialized, but before
306windows are created or the command gets run. Most methods are unsafe to 329windows are created or the command gets run. Most methods are unsafe to
307call or deliver senseless data, as terminal size and other characteristics 330call or deliver senseless data, as terminal size and other characteristics
308have not yet been determined. You can safely query and change resources, 331have not yet been determined. You can safely query and change resources
309though. 332and options, though. For many purposes the C<on_start> hook is a better
333place.
334
335=item on_start $term
336
337Called at the very end of initialisation of a new terminal, just before
338trying to map (display) the toplevel and returning to the mainloop.
339
340=item on_destroy $term
341
342Called whenever something tries to destroy terminal, before doing anything
343yet. If this hook returns true, then destruction is skipped, but this is
344rarely a good idea.
310 345
311=item on_reset $term 346=item on_reset $term
312 347
313Called after the screen is "reset" for any reason, such as resizing or 348Called after the screen is "reset" for any reason, such as resizing or
314control sequences. Here is where you can react on changes to size-related 349control sequences. Here is where you can react on changes to size-related
315variables. 350variables.
316 351
317=item on_start $term 352=item on_child_start $term, $pid
318 353
319Called at the very end of initialisation of a new terminal, just before 354Called just after the child process has been C<fork>ed.
320returning to the mainloop. 355
356=item on_child_exit $term, $status
357
358Called just after the child process has exited. C<$status> is the status
359from C<waitpid>.
321 360
322=item on_sel_make $term, $eventtime 361=item on_sel_make $term, $eventtime
323 362
324Called whenever a selection has been made by the user, but before the 363Called whenever a selection has been made by the user, but before the
325selection text is copied, so changes to the beginning, end or type of the 364selection text is copied, so changes to the beginning, end or type of the
462C<on_key_press> additionally receives the string rxvt-unicode would 501C<on_key_press> additionally receives the string rxvt-unicode would
463output, if any, in locale-specific encoding. 502output, if any, in locale-specific encoding.
464 503
465subwindow. 504subwindow.
466 505
506=item on_client_message $term, $event
507
508=item on_wm_protocols $term, $event
509
510=item on_wm_delete_window $term, $event
511
512Called when various types of ClientMessage events are received (all with
513format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
514
467=back 515=back
468 516
469=cut 517=cut
470 518
471package urxvt; 519package urxvt;
476use Scalar::Util (); 524use Scalar::Util ();
477use List::Util (); 525use List::Util ();
478 526
479our $VERSION = 1; 527our $VERSION = 1;
480our $TERM; 528our $TERM;
529our @TERM_INIT;
530our @TERM_EXT;
481our @HOOKNAME; 531our @HOOKNAME;
482our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME; 532our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
483our %OPTION; 533our %OPTION;
484 534
485our $LIBDIR; 535our $LIBDIR;
506 556
507=item $urxvt::TERM 557=item $urxvt::TERM
508 558
509The current terminal. This variable stores the current C<urxvt::term> 559The current terminal. This variable stores the current C<urxvt::term>
510object, whenever a callback/hook is executing. 560object, whenever a callback/hook is executing.
561
562=item @urxvt::TERM_INIT
563
564All coderefs in this array will be called as methods of the next newly
565created C<urxvt::term> object (during the C<on_init> phase). The array
566gets cleared before the codereferences that were in it are being executed,
567so coderefs can push themselves onto it again if they so desire.
568
569This complements to the perl-eval commandline option, but gets executed
570first.
571
572=item @urxvt::TERM_EXT
573
574Works similar to C<@TERM_INIT>, but contains perl package/class names, which
575get registered as normal extensions after calling the hooks in C<@TERM_INIT>
576but before other extensions. Gets cleared just like C<@TERM_INIT>.
511 577
512=back 578=back
513 579
514=head2 Functions in the C<urxvt> Package 580=head2 Functions in the C<urxvt> Package
515 581
622 my $msg = join "", @_; 688 my $msg = join "", @_;
623 $msg .= "\n" 689 $msg .= "\n"
624 unless $msg =~ /\n$/; 690 unless $msg =~ /\n$/;
625 urxvt::warn ($msg); 691 urxvt::warn ($msg);
626 }; 692 };
627
628 # %ENV is the original startup environment
629 delete $ENV{IFS};
630 delete $ENV{CDPATH};
631 delete $ENV{BASH_ENV};
632 $ENV{PATH} = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin:/opt/sbin";
633} 693}
634 694
635my $verbosity = $ENV{URXVT_PERL_VERBOSITY}; 695my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
636 696
637sub verbose { 697sub verbose {
642my %extension_pkg; 702my %extension_pkg;
643 703
644# load a single script into its own package, once only 704# load a single script into its own package, once only
645sub extension_package($) { 705sub extension_package($) {
646 my ($path) = @_; 706 my ($path) = @_;
647
648 no strict 'refs';
649 707
650 $extension_pkg{$path} ||= do { 708 $extension_pkg{$path} ||= do {
651 $path =~ /([^\/\\]+)$/; 709 $path =~ /([^\/\\]+)$/;
652 my $pkg = $1; 710 my $pkg = $1;
653 $pkg =~ s/[^[:word:]]/_/g; 711 $pkg =~ s/[^[:word:]]/_/g;
656 verbose 3, "loading extension '$path' into package '$pkg'"; 714 verbose 3, "loading extension '$path' into package '$pkg'";
657 715
658 open my $fh, "<:raw", $path 716 open my $fh, "<:raw", $path
659 or die "$path: $!"; 717 or die "$path: $!";
660 718
661 @{"$pkg\::ISA"} = urxvt::term::extension::;
662
663 my $source = 719 my $source =
664 "package $pkg; use strict; use utf8;\n" 720 "package $pkg; use strict; use utf8;\n"
665 . "#line 1 \"$path\"\n{\n" 721 . "#line 1 \"$path\"\n{\n"
666 . (do { local $/; <$fh> }) 722 . (do { local $/; <$fh> })
667 . "\n};\n1"; 723 . "\n};\n1";
683 if ($htype == 0) { # INIT 739 if ($htype == 0) { # INIT
684 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); 740 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
685 741
686 my %ext_arg; 742 my %ext_arg;
687 743
744 {
745 my @init = @TERM_INIT;
746 @TERM_INIT = ();
747 $_->($TERM) for @init;
748 my @pkg = @TERM_EXT;
749 @TERM_EXT = ();
750 $TERM->register_package ($_) for @pkg;
751 }
752
688 for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) { 753 for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
689 if ($_ eq "default") { 754 if ($_ eq "default") {
690 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback); 755 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback);
691 } elsif (/^-(.*)$/) { 756 } elsif (/^-(.*)$/) {
692 delete $ext_arg{$1}; 757 delete $ext_arg{$1};
693 } elsif (/^([^<]+)<(.*)>$/) { 758 } elsif (/^([^<]+)<(.*)>$/) {
718 if $verbosity >= 10; 783 if $verbosity >= 10;
719 784
720 keys %$cb; 785 keys %$cb;
721 786
722 while (my ($pkg, $cb) = each %$cb) { 787 while (my ($pkg, $cb) = each %$cb) {
723 $retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) } 788 my $retval_ = eval { $cb->($TERM->{_pkg}{$pkg}, @_) };
724 and last; 789 $retval ||= $retval_;
725 790
726 if ($@) { 791 if ($@) {
727 $TERM->ungrab; # better to lose the grab than the session 792 $TERM->ungrab; # better to lose the grab than the session
728 warn $@; 793 warn $@;
729 } 794 }
740 # clear package 805 # clear package
741 %$TERM = (); 806 %$TERM = ();
742 } 807 }
743 808
744 $retval 809 $retval
745}
746
747sub exec_async(@) {
748 my $pid = fork;
749
750 return
751 if !defined $pid or $pid;
752
753 %ENV = %{ $TERM->env };
754
755 exec @_;
756 _exit 255;
757} 810}
758 811
759# urxvt::term::extension 812# urxvt::term::extension
760 813
761package urxvt::term::extension; 814package urxvt::term::extension;
900# find on_xxx subs in the package and register them 953# find on_xxx subs in the package and register them
901# as hooks 954# as hooks
902sub register_package { 955sub register_package {
903 my ($self, $pkg, $argv) = @_; 956 my ($self, $pkg, $argv) = @_;
904 957
958 no strict 'refs';
959
960 urxvt::verbose 6, "register package $pkg to $self";
961
962 @{"$pkg\::ISA"} = urxvt::term::extension::;
963
905 my $proxy = bless { 964 my $proxy = bless {
906 _pkg => $pkg, 965 _pkg => $pkg,
907 argv => $argv, 966 argv => $argv,
908 }, $pkg; 967 }, $pkg;
909 Scalar::Util::weaken ($proxy->{term} = $self); 968 Scalar::Util::weaken ($proxy->{term} = $self);
940 999
941Destroy the terminal object (close the window, free resources 1000Destroy the terminal object (close the window, free resources
942etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event 1001etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event
943watchers (timers, io watchers) are still active. 1002watchers (timers, io watchers) are still active.
944 1003
1004=item $term->exec_async ($cmd[, @args])
1005
1006Works like the combination of the C<fork>/C<exec> builtins, which executes
1007("starts") programs in the background. This function takes care of setting
1008the user environment before exec'ing the command (e.g. C<PATH>) and should
1009be preferred over explicit calls to C<exec> or C<system>.
1010
1011Returns the pid of the subprocess or C<undef> on error.
1012
1013=cut
1014
1015sub exec_async {
1016 my $self = shift;
1017
1018 my $pid = fork;
1019
1020 return $pid
1021 if !defined $pid or $pid;
1022
1023 %ENV = %{ $self->env };
1024
1025 exec @_;
1026 urxvt::_exit 255;
1027}
1028
945=item $isset = $term->option ($optval[, $set]) 1029=item $isset = $term->option ($optval[, $set])
946 1030
947Returns true if the option specified by C<$optval> is enabled, and 1031Returns true if the option specified by C<$optval> is enabled, and
948optionally change it. All option values are stored by name in the hash 1032optionally change it. All option values are stored by name in the hash
949C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash. 1033C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
951Here is a a likely non-exhaustive list of option names, please see the 1035Here is a a likely non-exhaustive list of option names, please see the
952source file F</src/optinc.h> to see the actual list: 1036source file F</src/optinc.h> to see the actual list:
953 1037
954 borderLess console cursorBlink cursorUnderline hold iconic insecure 1038 borderLess console cursorBlink cursorUnderline hold iconic insecure
955 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage 1039 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage
956 pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating 1040 override-redirect pastableTabs pointerBlank reverseVideo scrollBar
957 scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer 1041 scrollBar_floating scrollBar_right scrollTtyKeypress scrollTtyOutput
958 secondaryScreen secondaryScroll skipBuiltinGlyphs transparent 1042 scrollWithBuffer secondaryScreen secondaryScroll skipBuiltinGlyphs
959 tripleclickwords utmpInhibit visualBell 1043 transparent tripleclickwords utmpInhibit visualBell
960 1044
961=item $value = $term->resource ($name[, $newval]) 1045=item $value = $term->resource ($name[, $newval])
962 1046
963Returns the current resource value associated with a given name and 1047Returns the current resource value associated with a given name and
964optionally sets a new value. Setting values is most useful in the C<init> 1048optionally sets a new value. Setting values is most useful in the C<init>
981 1065
982 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont 1066 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
983 borderLess color cursorBlink cursorUnderline cutchars delete_key 1067 borderLess color cursorBlink cursorUnderline cutchars delete_key
984 display_name embed ext_bwidth fade font geometry hold iconName 1068 display_name embed ext_bwidth fade font geometry hold iconName
985 imFont imLocale inputMethod insecure int_bwidth intensityStyles 1069 imFont imLocale inputMethod insecure int_bwidth intensityStyles
986 italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier 1070 italicFont jumpScroll lineSpace loginShell mapAlert meta8 modifier
987 mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2 1071 mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
988 perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd 1072 perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
989 reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating 1073 preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
990 scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput 1074 scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
991 scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle 1075 scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
992 shade term_name title transparent transparent_all tripleclickwords 1076 secondaryScreen secondaryScroll selectstyle shade term_name title
993 utmpInhibit visualBell 1077 transient_for transparent transparent_all tripleclickwords utmpInhibit
1078 visualBell
994 1079
995=cut 1080=cut
996 1081
997sub resource($$;$) { 1082sub resource($$;$) {
998 my ($self, $name) = (shift, shift); 1083 my ($self, $name) = (shift, shift);
1591 # we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE. 1676 # we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
1592 delete $env->{LC_ALL}; 1677 delete $env->{LC_ALL};
1593 $env->{LC_CTYPE} = $self->{term}->locale; 1678 $env->{LC_CTYPE} = $self->{term}->locale;
1594 1679
1595 urxvt::term->new ($env, "popup", 1680 urxvt::term->new ($env, "popup",
1596 "--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0, 1681 "--perl-lib" => "", "--perl-ext-common" => "",
1682 "-pty-fd" => -1, "-sl" => 0,
1683 "-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1597 "--transient-for" => $self->{term}->parent, 1684 "--transient-for" => $self->{term}->parent,
1598 "-display" => $self->{term}->display_id, 1685 "-display" => $self->{term}->display_id,
1599 "-pe" => "urxvt-popup") 1686 "-pe" => "urxvt-popup")
1600 or die "unable to create popup window\n"; 1687 or die "unable to create popup window\n";
1601} 1688}
1606 delete $self->{term}{_destroy}{$self}; 1693 delete $self->{term}{_destroy}{$self};
1607 $self->{term}->ungrab; 1694 $self->{term}->ungrab;
1608} 1695}
1609 1696
1610=back 1697=back
1698
1699=cut
1700
1701package urxvt::watcher;
1702
1703@urxvt::timer::ISA = __PACKAGE__;
1704@urxvt::iow::ISA = __PACKAGE__;
1705@urxvt::pw::ISA = __PACKAGE__;
1706@urxvt::iw::ISA = __PACKAGE__;
1611 1707
1612=head2 The C<urxvt::timer> Class 1708=head2 The C<urxvt::timer> Class
1613 1709
1614This class implements timer watchers/events. Time is represented as a 1710This class implements timer watchers/events. Time is represented as a
1615fractional number of seconds since the epoch. Example: 1711fractional number of seconds since the epoch. Example:
1713 1809
1714Stop watching for events on the given filehandle. 1810Stop watching for events on the given filehandle.
1715 1811
1716=back 1812=back
1717 1813
1814=head2 The C<urxvt::iw> Class
1815
1816This class implements idle watchers, that get called automatically when
1817the process is idle. They should return as fast as possible, after doing
1818some useful work.
1819
1820=over 4
1821
1822=item $iw = new urxvt::iw
1823
1824Create a new idle watcher object in stopped state.
1825
1826=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
1827
1828Set the callback to be called when the watcher triggers.
1829
1830=item $timer = $timer->start
1831
1832Start the watcher.
1833
1834=item $timer = $timer->stop
1835
1836Stop the watcher.
1837
1838=back
1839
1840=head2 The C<urxvt::pw> Class
1841
1842This class implements process watchers. They create an event whenever a
1843process exits, after which they stop automatically.
1844
1845 my $pid = fork;
1846 ...
1847 $term->{pw} = urxvt::pw
1848 ->new
1849 ->start ($pid)
1850 ->cb (sub {
1851 my ($pw, $exit_status) = @_;
1852 ...
1853 });
1854
1855=over 4
1856
1857=item $pw = new urxvt::pw
1858
1859Create a new process watcher in stopped state.
1860
1861=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
1862
1863Set the callback to be called when the timer triggers.
1864
1865=item $pw = $timer->start ($pid)
1866
1867Tells the wqtcher to start watching for process C<$pid>.
1868
1869=item $pw = $pw->stop
1870
1871Stop the watcher.
1872
1873=back
1874
1718=head1 ENVIRONMENT 1875=head1 ENVIRONMENT
1719 1876
1720=head2 URXVT_PERL_VERBOSITY 1877=head2 URXVT_PERL_VERBOSITY
1721 1878
1722This variable controls the verbosity level of the perl extension. Higher 1879This variable controls the verbosity level of the perl extension. Higher

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