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Comparing rxvt-unicode/src/urxvt.pm (file contents):
Revision 1.100 by root, Wed Jan 18 08:33:34 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
88=item selection-popup (enabled by default) 92=item selection-popup (enabled by default)
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.
97
98Other extensions can extend this popup menu by pushing a code reference
99onto C<@{ $term->{selection_popup_hook} }>, that is called whenever the
100popup is displayed.
101
102It's sole argument is the popup menu, which can be modified. The selection
103is in C<$_>, which can be used to decide wether to add something or not.
104It should either return nothing or a string and a code reference. The
105string will be used as button text and the code reference will be called
106when the button gets activated and should transform C<$_>.
107
108The following will add an entry C<a to b> that transforms all C<a>s in
109the selection to C<b>s, but only if the selection currently contains any
110C<a>s:
111
112 push @{ $self->{term}{selection_popup_hook} }, sub {
113 /a/ ? ("a to be" => sub { s/a/b/g }
114 : ()
115 };
93 116
94=item searchable-scrollback<hotkey> (enabled by default) 117=item searchable-scrollback<hotkey> (enabled by default)
95 118
96Adds regex search functionality to the scrollback buffer, triggered 119Adds regex search functionality to the scrollback buffer, triggered
97by a hotkey (default: C<M-s>). While in search mode, normal terminal 120by a hotkey (default: C<M-s>). While in search mode, normal terminal
125 URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/ 148 URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/
126 149
127And this example matches the same,but replaces it with vi-commands you can 150And this example matches the same,but replaces it with vi-commands you can
128paste directly into your (vi :) editor: 151paste directly into your (vi :) editor:
129 152
130 URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/\\x1b:e \\Q$1\\E\\x0d:$2\\x0d/ 153 URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/:e \\Q$1\\E\\x0d:$2\\x0d/
131 154
132Of course, this can be modified to suit your needs and your editor :) 155Of course, this can be modified to suit your needs and your editor :)
133 156
134To expand the example above to typical perl error messages ("XXX at 157To expand the example above to typical perl error messages ("XXX at
135FILENAME line YYY."), you need a slightly more elaborate solution: 158FILENAME line YYY."), you need a slightly more elaborate solution:
136 159
137 URxvt.selection.pattern-0: ( at .*? line \\d+\\.) 160 URxvt.selection.pattern-0: ( at .*? line \\d+[,.])
138 URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)\\.$/\x1b:e \\Q$1\E\\x0d:$2\\x0d/ 161 URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)[,.]$/:e \\Q$1\E\\x0d:$2\\x0d/
139 162
140The 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
141every error message as a selection pattern, and the second line transforms 164every error message as a selection pattern, and the second line transforms
142the 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.
143 176
144=item mark-urls 177=item mark-urls
145 178
146Uses 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
147make them clickable. When middle-clicked, the program specified in the 180make them clickable. When middle-clicked, the program specified in the
148resource C<urlLauncher> (default C<x-www-browser>) will be started with 181resource C<urlLauncher> (default C<x-www-browser>) will be started with
149the 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
150 191
151=item block-graphics-to-ascii 192=item block-graphics-to-ascii
152 193
153A 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,
154by replacing all line-drawing characters (U+2500 .. U+259F) by a 195by replacing all line-drawing characters (U+2500 .. U+259F) by a
272called whenever the relevant event happens. 313called whenever the relevant event happens.
273 314
274The 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
275the in the C<Extension Objects> section. 316the in the C<Extension Objects> section.
276 317
277B<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
278event 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
279skipped, and the relevant action might not be carried out by the C++ code. 320relevant action might not be carried out by the C++ code.
280 321
281I<< When in doubt, return a false value (preferably C<()>). >> 322I<< When in doubt, return a false value (preferably C<()>). >>
282 323
283=over 4 324=over 4
284 325
285=item on_init $term 326=item on_init $term
286 327
287Called after a new terminal object has been initialized, but before 328Called after a new terminal object has been initialized, but before
288windows 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
289call or deliver senseless data, as terminal size and other characteristics 330call or deliver senseless data, as terminal size and other characteristics
290have not yet been determined. You can safely query and change resources, 331have not yet been determined. You can safely query and change resources
291though. 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.
292 345
293=item on_reset $term 346=item on_reset $term
294 347
295Called 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
296control 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
297variables. 350variables.
298 351
299=item on_start $term 352=item on_child_start $term, $pid
300 353
301Called at the very end of initialisation of a new terminal, just before 354Called just after the child process has been C<fork>ed.
302returning 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>.
303 360
304=item on_sel_make $term, $eventtime 361=item on_sel_make $term, $eventtime
305 362
306Called 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
307selection 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
416=item on_focus_out $term 473=item on_focus_out $term
417 474
418Called wheneever the window loses keyboard focus, before rxvt-unicode does 475Called wheneever the window loses keyboard focus, before rxvt-unicode does
419focus out processing. 476focus out processing.
420 477
478=item on_configure_notify $term, $event
479
421=item on_key_press $term, $event, $keysym, $octets 480=item on_key_press $term, $event, $keysym, $octets
422 481
423=item on_key_release $term, $event, $keysym 482=item on_key_release $term, $event, $keysym
424 483
425=item on_button_press $term, $event 484=item on_button_press $term, $event
441 500
442C<on_key_press> additionally receives the string rxvt-unicode would 501C<on_key_press> additionally receives the string rxvt-unicode would
443output, if any, in locale-specific encoding. 502output, if any, in locale-specific encoding.
444 503
445subwindow. 504subwindow.
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).
446 514
447=back 515=back
448 516
449=cut 517=cut
450 518
456use Scalar::Util (); 524use Scalar::Util ();
457use List::Util (); 525use List::Util ();
458 526
459our $VERSION = 1; 527our $VERSION = 1;
460our $TERM; 528our $TERM;
529our @TERM_INIT;
530our @TERM_EXT;
461our @HOOKNAME; 531our @HOOKNAME;
462our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME; 532our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
463our %OPTION; 533our %OPTION;
464 534
465our $LIBDIR; 535our $LIBDIR;
486 556
487=item $urxvt::TERM 557=item $urxvt::TERM
488 558
489The current terminal. This variable stores the current C<urxvt::term> 559The current terminal. This variable stores the current C<urxvt::term>
490object, 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>.
491 577
492=back 578=back
493 579
494=head2 Functions in the C<urxvt> Package 580=head2 Functions in the C<urxvt> Package
495 581
602 my $msg = join "", @_; 688 my $msg = join "", @_;
603 $msg .= "\n" 689 $msg .= "\n"
604 unless $msg =~ /\n$/; 690 unless $msg =~ /\n$/;
605 urxvt::warn ($msg); 691 urxvt::warn ($msg);
606 }; 692 };
607
608 # %ENV is the original startup environment
609 delete $ENV{IFS};
610 delete $ENV{CDPATH};
611 delete $ENV{BASH_ENV};
612 $ENV{PATH} = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin:/opt/sbin";
613} 693}
614 694
615my $verbosity = $ENV{URXVT_PERL_VERBOSITY}; 695my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
616 696
617sub verbose { 697sub verbose {
622my %extension_pkg; 702my %extension_pkg;
623 703
624# load a single script into its own package, once only 704# load a single script into its own package, once only
625sub extension_package($) { 705sub extension_package($) {
626 my ($path) = @_; 706 my ($path) = @_;
627
628 no strict 'refs';
629 707
630 $extension_pkg{$path} ||= do { 708 $extension_pkg{$path} ||= do {
631 $path =~ /([^\/\\]+)$/; 709 $path =~ /([^\/\\]+)$/;
632 my $pkg = $1; 710 my $pkg = $1;
633 $pkg =~ s/[^[:word:]]/_/g; 711 $pkg =~ s/[^[:word:]]/_/g;
636 verbose 3, "loading extension '$path' into package '$pkg'"; 714 verbose 3, "loading extension '$path' into package '$pkg'";
637 715
638 open my $fh, "<:raw", $path 716 open my $fh, "<:raw", $path
639 or die "$path: $!"; 717 or die "$path: $!";
640 718
641 @{"$pkg\::ISA"} = urxvt::term::extension::;
642
643 my $source = 719 my $source =
644 "package $pkg; use strict; use utf8;\n" 720 "package $pkg; use strict; use utf8;\n"
645 . "#line 1 \"$path\"\n{\n" 721 . "#line 1 \"$path\"\n{\n"
646 . (do { local $/; <$fh> }) 722 . (do { local $/; <$fh> })
647 . "\n};\n1"; 723 . "\n};\n1";
663 if ($htype == 0) { # INIT 739 if ($htype == 0) { # INIT
664 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); 740 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
665 741
666 my %ext_arg; 742 my %ext_arg;
667 743
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
668 for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) { 753 for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
669 if ($_ eq "default") { 754 if ($_ eq "default") {
670 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback); 755 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback);
671 } elsif (/^-(.*)$/) { 756 } elsif (/^-(.*)$/) {
672 delete $ext_arg{$1}; 757 delete $ext_arg{$1};
673 } elsif (/^([^<]+)<(.*)>$/) { 758 } elsif (/^([^<]+)<(.*)>$/) {
698 if $verbosity >= 10; 783 if $verbosity >= 10;
699 784
700 keys %$cb; 785 keys %$cb;
701 786
702 while (my ($pkg, $cb) = each %$cb) { 787 while (my ($pkg, $cb) = each %$cb) {
703 $retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) } 788 my $retval_ = eval { $cb->($TERM->{_pkg}{$pkg}, @_) };
704 and last; 789 $retval ||= $retval_;
705 790
706 if ($@) { 791 if ($@) {
707 $TERM->ungrab; # better to lose the grab than the session 792 $TERM->ungrab; # better to lose the grab than the session
708 warn $@; 793 warn $@;
709 } 794 }
720 # clear package 805 # clear package
721 %$TERM = (); 806 %$TERM = ();
722 } 807 }
723 808
724 $retval 809 $retval
725}
726
727sub exec_async(@) {
728 my $pid = fork;
729
730 return
731 if !defined $pid or $pid;
732
733 %ENV = %{ $TERM->env };
734
735 exec @_;
736 _exit 255;
737} 810}
738 811
739# urxvt::term::extension 812# urxvt::term::extension
740 813
741package urxvt::term::extension; 814package urxvt::term::extension;
880# find on_xxx subs in the package and register them 953# find on_xxx subs in the package and register them
881# as hooks 954# as hooks
882sub register_package { 955sub register_package {
883 my ($self, $pkg, $argv) = @_; 956 my ($self, $pkg, $argv) = @_;
884 957
958 no strict 'refs';
959
960 urxvt::verbose 6, "register package $pkg to $self";
961
962 @{"$pkg\::ISA"} = urxvt::term::extension::;
963
885 my $proxy = bless { 964 my $proxy = bless {
886 _pkg => $pkg, 965 _pkg => $pkg,
887 argv => $argv, 966 argv => $argv,
888 }, $pkg; 967 }, $pkg;
889 Scalar::Util::weaken ($proxy->{term} = $self); 968 Scalar::Util::weaken ($proxy->{term} = $self);
920 999
921Destroy the terminal object (close the window, free resources 1000Destroy the terminal object (close the window, free resources
922etc.). 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
923watchers (timers, io watchers) are still active. 1002watchers (timers, io watchers) are still active.
924 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
925=item $isset = $term->option ($optval[, $set]) 1029=item $isset = $term->option ($optval[, $set])
926 1030
927Returns true if the option specified by C<$optval> is enabled, and 1031Returns true if the option specified by C<$optval> is enabled, and
928optionally 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
929C<%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.
931Here 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
932source file F</src/optinc.h> to see the actual list: 1036source file F</src/optinc.h> to see the actual list:
933 1037
934 borderLess console cursorBlink cursorUnderline hold iconic insecure 1038 borderLess console cursorBlink cursorUnderline hold iconic insecure
935 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage 1039 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage
936 pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating 1040 override-redirect pastableTabs pointerBlank reverseVideo scrollBar
937 scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer 1041 scrollBar_floating scrollBar_right scrollTtyKeypress scrollTtyOutput
938 secondaryScreen secondaryScroll skipBuiltinGlyphs transparent 1042 scrollWithBuffer secondaryScreen secondaryScroll skipBuiltinGlyphs
939 tripleclickwords utmpInhibit visualBell 1043 transparent tripleclickwords utmpInhibit visualBell
940 1044
941=item $value = $term->resource ($name[, $newval]) 1045=item $value = $term->resource ($name[, $newval])
942 1046
943Returns the current resource value associated with a given name and 1047Returns the current resource value associated with a given name and
944optionally 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>
961 1065
962 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont 1066 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
963 borderLess color cursorBlink cursorUnderline cutchars delete_key 1067 borderLess color cursorBlink cursorUnderline cutchars delete_key
964 display_name embed ext_bwidth fade font geometry hold iconName 1068 display_name embed ext_bwidth fade font geometry hold iconName
965 imFont imLocale inputMethod insecure int_bwidth intensityStyles 1069 imFont imLocale inputMethod insecure int_bwidth intensityStyles
966 italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier 1070 italicFont jumpScroll lineSpace loginShell mapAlert meta8 modifier
967 mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2 1071 mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
968 perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd 1072 perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
969 reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating 1073 preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
970 scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput 1074 scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
971 scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle 1075 scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
972 shade term_name title transparent transparent_all tripleclickwords 1076 secondaryScreen secondaryScroll selectstyle shade term_name title
973 utmpInhibit visualBell 1077 transient_for transparent transparent_all tripleclickwords utmpInhibit
1078 visualBell
974 1079
975=cut 1080=cut
976 1081
977sub resource($$;$) { 1082sub resource($$;$) {
978 my ($self, $name) = (shift, shift); 1083 my ($self, $name) = (shift, shift);
1570 my $env = $self->{term}->env; 1675 my $env = $self->{term}->env;
1571 # 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.
1572 delete $env->{LC_ALL}; 1677 delete $env->{LC_ALL};
1573 $env->{LC_CTYPE} = $self->{term}->locale; 1678 $env->{LC_CTYPE} = $self->{term}->locale;
1574 1679
1575 urxvt::term->new ($env, $self->{term}->resource ("name"), 1680 urxvt::term->new ($env, "popup",
1576 "--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",
1577 "--transient-for" => $self->{term}->parent, 1684 "--transient-for" => $self->{term}->parent,
1578 "-display" => $self->{term}->display_id, 1685 "-display" => $self->{term}->display_id,
1579 "-pe" => "urxvt-popup") 1686 "-pe" => "urxvt-popup")
1580 or die "unable to create popup window\n"; 1687 or die "unable to create popup window\n";
1581} 1688}
1586 delete $self->{term}{_destroy}{$self}; 1693 delete $self->{term}{_destroy}{$self};
1587 $self->{term}->ungrab; 1694 $self->{term}->ungrab;
1588} 1695}
1589 1696
1590=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__;
1591 1707
1592=head2 The C<urxvt::timer> Class 1708=head2 The C<urxvt::timer> Class
1593 1709
1594This class implements timer watchers/events. Time is represented as a 1710This class implements timer watchers/events. Time is represented as a
1595fractional number of seconds since the epoch. Example: 1711fractional number of seconds since the epoch. Example:
1633Start the timer. 1749Start the timer.
1634 1750
1635=item $timer = $timer->start ($tstamp) 1751=item $timer = $timer->start ($tstamp)
1636 1752
1637Set the event trigger time to C<$tstamp> and start the timer. 1753Set the event trigger time to C<$tstamp> and start the timer.
1754
1755=item $timer = $timer->after ($delay)
1756
1757Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1638 1758
1639=item $timer = $timer->stop 1759=item $timer = $timer->stop
1640 1760
1641Stop the timer. 1761Stop the timer.
1642 1762
1689 1809
1690Stop watching for events on the given filehandle. 1810Stop watching for events on the given filehandle.
1691 1811
1692=back 1812=back
1693 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
1694=head1 ENVIRONMENT 1875=head1 ENVIRONMENT
1695 1876
1696=head2 URXVT_PERL_VERBOSITY 1877=head2 URXVT_PERL_VERBOSITY
1697 1878
1698This 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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