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Comparing rxvt-unicode/src/urxvt.pm (file contents):
Revision 1.110 by root, Thu Jan 19 16:22:13 2006 UTC vs.
Revision 1.116 by root, Fri Jan 20 16:18:07 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
158 162
159The 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
160every error message as a selection pattern, and the second line transforms 164every error message as a selection pattern, and the second line transforms
161the message into vi commands to load the file. 165the message into vi commands to load the file.
162 166
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 B<Shift-Left> and
175B<Shift-Right> will switch to the tab left or right of the current one,
176while B<Shift-Down> creates a new tab.
177
163=item mark-urls 178=item mark-urls
164 179
165Uses per-line display filtering (C<on_line_update>) to underline urls and 180Uses per-line display filtering (C<on_line_update>) to underline urls and
166make them clickable. When middle-clicked, the program specified in the 181make them clickable. When middle-clicked, the program specified in the
167resource C<urlLauncher> (default C<x-www-browser>) will be started with 182resource C<urlLauncher> (default C<x-www-browser>) will be started with
299called whenever the relevant event happens. 314called whenever the relevant event happens.
300 315
301The first argument passed to them is an extension oject as described in 316The first argument passed to them is an extension oject as described in
302the in the C<Extension Objects> section. 317the in the C<Extension Objects> section.
303 318
304B<All> of these hooks must return a boolean value. If it is true, then the 319B<All> of these hooks must return a boolean value. If any of the called
305event counts as being I<consumed>, and the invocation of other hooks is 320hooks returns true, then the event counts as being I<consumed>, and the
306skipped, and the relevant action might not be carried out by the C++ code. 321relevant action might not be carried out by the C++ code.
307 322
308I<< When in doubt, return a false value (preferably C<()>). >> 323I<< When in doubt, return a false value (preferably C<()>). >>
309 324
310=over 4 325=over 4
311 326
312=item on_init $term 327=item on_init $term
313 328
314Called after a new terminal object has been initialized, but before 329Called after a new terminal object has been initialized, but before
315windows are created or the command gets run. Most methods are unsafe to 330windows are created or the command gets run. Most methods are unsafe to
316call or deliver senseless data, as terminal size and other characteristics 331call or deliver senseless data, as terminal size and other characteristics
317have not yet been determined. You can safely query and change resources, 332have not yet been determined. You can safely query and change resources
318though. 333and options, though. For many purposes the C<on_start> hook is a better
334place.
335
336=item on_start $term
337
338Called at the very end of initialisation of a new terminal, just before
339trying to map (display) the toplevel and returning to the mainloop.
340
341=item on_destroy $term
342
343Called whenever something tries to destroy terminal, before doing anything
344yet. If this hook returns true, then destruction is skipped, but this is
345rarely a good idea.
319 346
320=item on_reset $term 347=item on_reset $term
321 348
322Called after the screen is "reset" for any reason, such as resizing or 349Called after the screen is "reset" for any reason, such as resizing or
323control sequences. Here is where you can react on changes to size-related 350control sequences. Here is where you can react on changes to size-related
324variables. 351variables.
325
326=item on_start $term
327
328Called at the very end of initialisation of a new terminal, just before
329returning to the mainloop.
330 352
331=item on_child_start $term, $pid 353=item on_child_start $term, $pid
332 354
333Called just after the child process has been C<fork>ed. 355Called just after the child process has been C<fork>ed.
334 356
480C<on_key_press> additionally receives the string rxvt-unicode would 502C<on_key_press> additionally receives the string rxvt-unicode would
481output, if any, in locale-specific encoding. 503output, if any, in locale-specific encoding.
482 504
483subwindow. 505subwindow.
484 506
507=item on_client_message $term, $event
508
509=item on_wm_protocols $term, $event
510
511=item on_wm_delete_window $term, $event
512
513Called when various types of ClientMessage events are received (all with
514format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
515
485=back 516=back
486 517
487=cut 518=cut
488 519
489package urxvt; 520package urxvt;
494use Scalar::Util (); 525use Scalar::Util ();
495use List::Util (); 526use List::Util ();
496 527
497our $VERSION = 1; 528our $VERSION = 1;
498our $TERM; 529our $TERM;
530our @TERM_INIT;
531our @TERM_EXT;
499our @HOOKNAME; 532our @HOOKNAME;
500our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME; 533our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
501our %OPTION; 534our %OPTION;
502 535
503our $LIBDIR; 536our $LIBDIR;
524 557
525=item $urxvt::TERM 558=item $urxvt::TERM
526 559
527The current terminal. This variable stores the current C<urxvt::term> 560The current terminal. This variable stores the current C<urxvt::term>
528object, whenever a callback/hook is executing. 561object, whenever a callback/hook is executing.
562
563=item @urxvt::TERM_INIT
564
565All coderefs in this array will be called as methods of the next newly
566created C<urxvt::term> object (during the C<on_init> phase). The array
567gets cleared before the codereferences that were in it are being executed,
568so coderefs can push themselves onto it again if they so desire.
569
570This complements to the perl-eval commandline option, but gets executed
571first.
572
573=item @urxvt::TERM_EXT
574
575Works similar to C<@TERM_INIT>, but contains perl package/class names, which
576get registered as normal extensions after calling the hooks in C<@TERM_INIT>
577but before other extensions. Gets cleared just like C<@TERM_INIT>.
529 578
530=back 579=back
531 580
532=head2 Functions in the C<urxvt> Package 581=head2 Functions in the C<urxvt> Package
533 582
655 704
656# load a single script into its own package, once only 705# load a single script into its own package, once only
657sub extension_package($) { 706sub extension_package($) {
658 my ($path) = @_; 707 my ($path) = @_;
659 708
660 no strict 'refs';
661
662 $extension_pkg{$path} ||= do { 709 $extension_pkg{$path} ||= do {
663 $path =~ /([^\/\\]+)$/; 710 $path =~ /([^\/\\]+)$/;
664 my $pkg = $1; 711 my $pkg = $1;
665 $pkg =~ s/[^[:word:]]/_/g; 712 $pkg =~ s/[^[:word:]]/_/g;
666 $pkg = "urxvt::ext::$pkg"; 713 $pkg = "urxvt::ext::$pkg";
668 verbose 3, "loading extension '$path' into package '$pkg'"; 715 verbose 3, "loading extension '$path' into package '$pkg'";
669 716
670 open my $fh, "<:raw", $path 717 open my $fh, "<:raw", $path
671 or die "$path: $!"; 718 or die "$path: $!";
672 719
673 @{"$pkg\::ISA"} = urxvt::term::extension::;
674
675 my $source = 720 my $source =
676 "package $pkg; use strict; use utf8;\n" 721 "package $pkg; use strict; use utf8;\n"
677 . "#line 1 \"$path\"\n{\n" 722 . "#line 1 \"$path\"\n{\n"
678 . (do { local $/; <$fh> }) 723 . (do { local $/; <$fh> })
679 . "\n};\n1"; 724 . "\n};\n1";
695 if ($htype == 0) { # INIT 740 if ($htype == 0) { # INIT
696 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); 741 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
697 742
698 my %ext_arg; 743 my %ext_arg;
699 744
745 {
746 my @init = @TERM_INIT;
747 @TERM_INIT = ();
748 $_->($TERM) for @init;
749 my @pkg = @TERM_EXT;
750 @TERM_EXT = ();
751 $TERM->register_package ($_) for @pkg;
752 }
753
700 for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) { 754 for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
701 if ($_ eq "default") { 755 if ($_ eq "default") {
702 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback); 756 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback);
703 } elsif (/^-(.*)$/) { 757 } elsif (/^-(.*)$/) {
704 delete $ext_arg{$1}; 758 delete $ext_arg{$1};
705 } elsif (/^([^<]+)<(.*)>$/) { 759 } elsif (/^([^<]+)<(.*)>$/) {
730 if $verbosity >= 10; 784 if $verbosity >= 10;
731 785
732 keys %$cb; 786 keys %$cb;
733 787
734 while (my ($pkg, $cb) = each %$cb) { 788 while (my ($pkg, $cb) = each %$cb) {
735 $retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) } 789 my $retval_ = eval { $cb->($TERM->{_pkg}{$pkg}, @_) };
736 and last; 790 $retval ||= $retval_;
737 791
738 if ($@) { 792 if ($@) {
739 $TERM->ungrab; # better to lose the grab than the session 793 $TERM->ungrab; # better to lose the grab than the session
740 warn $@; 794 warn $@;
741 } 795 }
899 953
900# find on_xxx subs in the package and register them 954# find on_xxx subs in the package and register them
901# as hooks 955# as hooks
902sub register_package { 956sub register_package {
903 my ($self, $pkg, $argv) = @_; 957 my ($self, $pkg, $argv) = @_;
958
959 no strict 'refs';
960
961 urxvt::verbose 6, "register package $pkg to $self";
962
963 @{"$pkg\::ISA"} = urxvt::term::extension::;
904 964
905 my $proxy = bless { 965 my $proxy = bless {
906 _pkg => $pkg, 966 _pkg => $pkg,
907 argv => $argv, 967 argv => $argv,
908 }, $pkg; 968 }, $pkg;
1635 $self->{term}->ungrab; 1695 $self->{term}->ungrab;
1636} 1696}
1637 1697
1638=back 1698=back
1639 1699
1700=cut
1701
1702package urxvt::watcher;
1703
1704@urxvt::timer::ISA = __PACKAGE__;
1705@urxvt::iow::ISA = __PACKAGE__;
1706@urxvt::pw::ISA = __PACKAGE__;
1707@urxvt::iw::ISA = __PACKAGE__;
1708
1640=head2 The C<urxvt::timer> Class 1709=head2 The C<urxvt::timer> Class
1641 1710
1642This class implements timer watchers/events. Time is represented as a 1711This class implements timer watchers/events. Time is represented as a
1643fractional number of seconds since the epoch. Example: 1712fractional number of seconds since the epoch. Example:
1644 1713
1741 1810
1742Stop watching for events on the given filehandle. 1811Stop watching for events on the given filehandle.
1743 1812
1744=back 1813=back
1745 1814
1815=head2 The C<urxvt::iw> Class
1816
1817This class implements idle watchers, that get called automatically when
1818the process is idle. They should return as fast as possible, after doing
1819some useful work.
1820
1821=over 4
1822
1823=item $iw = new urxvt::iw
1824
1825Create a new idle watcher object in stopped state.
1826
1827=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
1828
1829Set the callback to be called when the watcher triggers.
1830
1831=item $timer = $timer->start
1832
1833Start the watcher.
1834
1835=item $timer = $timer->stop
1836
1837Stop the watcher.
1838
1839=back
1840
1841=head2 The C<urxvt::pw> Class
1842
1843This class implements process watchers. They create an event whenever a
1844process exits, after which they stop automatically.
1845
1846 my $pid = fork;
1847 ...
1848 $term->{pw} = urxvt::pw
1849 ->new
1850 ->start ($pid)
1851 ->cb (sub {
1852 my ($pw, $exit_status) = @_;
1853 ...
1854 });
1855
1856=over 4
1857
1858=item $pw = new urxvt::pw
1859
1860Create a new process watcher in stopped state.
1861
1862=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
1863
1864Set the callback to be called when the timer triggers.
1865
1866=item $pw = $timer->start ($pid)
1867
1868Tells the wqtcher to start watching for process C<$pid>.
1869
1870=item $pw = $pw->stop
1871
1872Stop the watcher.
1873
1874=back
1875
1746=head1 ENVIRONMENT 1876=head1 ENVIRONMENT
1747 1877
1748=head2 URXVT_PERL_VERBOSITY 1878=head2 URXVT_PERL_VERBOSITY
1749 1879
1750This variable controls the verbosity level of the perl extension. Higher 1880This variable controls the verbosity level of the perl extension. Higher

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