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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 1.115 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
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 Shift-Left and
175Shift-Right will switch to the tab left or right of the current one.
176
163=item mark-urls 177=item mark-urls
164 178
165Uses 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
166make them clickable. When middle-clicked, the program specified in the 180make them clickable. When middle-clicked, the program specified in the
167resource C<urlLauncher> (default C<x-www-browser>) will be started with 181resource C<urlLauncher> (default C<x-www-browser>) will be started with
299called whenever the relevant event happens. 313called whenever the relevant event happens.
300 314
301The 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
302the in the C<Extension Objects> section. 316the in the C<Extension Objects> section.
303 317
304B<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
305event 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
306skipped, and the relevant action might not be carried out by the C++ code. 320relevant action might not be carried out by the C++ code.
307 321
308I<< When in doubt, return a false value (preferably C<()>). >> 322I<< When in doubt, return a false value (preferably C<()>). >>
309 323
310=over 4 324=over 4
311 325
312=item on_init $term 326=item on_init $term
313 327
314Called after a new terminal object has been initialized, but before 328Called after a new terminal object has been initialized, but before
315windows 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
316call or deliver senseless data, as terminal size and other characteristics 330call or deliver senseless data, as terminal size and other characteristics
317have not yet been determined. You can safely query and change resources, 331have not yet been determined. You can safely query and change resources
318though. 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.
319 345
320=item on_reset $term 346=item on_reset $term
321 347
322Called 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
323control 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
324variables. 350variables.
325
326=item on_start $term
327
328Called at the very end of initialisation of a new terminal, just before
329returning to the mainloop.
330 351
331=item on_child_start $term, $pid 352=item on_child_start $term, $pid
332 353
333Called just after the child process has been C<fork>ed. 354Called just after the child process has been C<fork>ed.
334 355
480C<on_key_press> additionally receives the string rxvt-unicode would 501C<on_key_press> additionally receives the string rxvt-unicode would
481output, if any, in locale-specific encoding. 502output, if any, in locale-specific encoding.
482 503
483subwindow. 504subwindow.
484 505
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
485=back 515=back
486 516
487=cut 517=cut
488 518
489package urxvt; 519package urxvt;
494use Scalar::Util (); 524use Scalar::Util ();
495use List::Util (); 525use List::Util ();
496 526
497our $VERSION = 1; 527our $VERSION = 1;
498our $TERM; 528our $TERM;
529our @TERM_INIT;
530our @TERM_EXT;
499our @HOOKNAME; 531our @HOOKNAME;
500our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME; 532our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
501our %OPTION; 533our %OPTION;
502 534
503our $LIBDIR; 535our $LIBDIR;
524 556
525=item $urxvt::TERM 557=item $urxvt::TERM
526 558
527The current terminal. This variable stores the current C<urxvt::term> 559The current terminal. This variable stores the current C<urxvt::term>
528object, whenever a callback/hook is executing. 560object, whenever a callback/hook is executing.
561
562=item @urxvt::TERM_INIT
563
564All coderefs in this array will be called as methods of the next newly
565created C<urxvt::term> object (during the C<on_init> phase). The array
566gets cleared before the codereferences that were in it are being executed,
567so coderefs can push themselves onto it again if they so desire.
568
569This complements to the perl-eval commandline option, but gets executed
570first.
571
572=item @urxvt::TERM_EXT
573
574Works similar to C<@TERM_INIT>, but contains perl package/class names, which
575get registered as normal extensions after calling the hooks in C<@TERM_INIT>
576but before other extensions. Gets cleared just like C<@TERM_INIT>.
529 577
530=back 578=back
531 579
532=head2 Functions in the C<urxvt> Package 580=head2 Functions in the C<urxvt> Package
533 581
655 703
656# load a single script into its own package, once only 704# load a single script into its own package, once only
657sub extension_package($) { 705sub extension_package($) {
658 my ($path) = @_; 706 my ($path) = @_;
659 707
660 no strict 'refs';
661
662 $extension_pkg{$path} ||= do { 708 $extension_pkg{$path} ||= do {
663 $path =~ /([^\/\\]+)$/; 709 $path =~ /([^\/\\]+)$/;
664 my $pkg = $1; 710 my $pkg = $1;
665 $pkg =~ s/[^[:word:]]/_/g; 711 $pkg =~ s/[^[:word:]]/_/g;
666 $pkg = "urxvt::ext::$pkg"; 712 $pkg = "urxvt::ext::$pkg";
668 verbose 3, "loading extension '$path' into package '$pkg'"; 714 verbose 3, "loading extension '$path' into package '$pkg'";
669 715
670 open my $fh, "<:raw", $path 716 open my $fh, "<:raw", $path
671 or die "$path: $!"; 717 or die "$path: $!";
672 718
673 @{"$pkg\::ISA"} = urxvt::term::extension::;
674
675 my $source = 719 my $source =
676 "package $pkg; use strict; use utf8;\n" 720 "package $pkg; use strict; use utf8;\n"
677 . "#line 1 \"$path\"\n{\n" 721 . "#line 1 \"$path\"\n{\n"
678 . (do { local $/; <$fh> }) 722 . (do { local $/; <$fh> })
679 . "\n};\n1"; 723 . "\n};\n1";
695 if ($htype == 0) { # INIT 739 if ($htype == 0) { # INIT
696 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); 740 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
697 741
698 my %ext_arg; 742 my %ext_arg;
699 743
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
700 for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) { 753 for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
701 if ($_ eq "default") { 754 if ($_ eq "default") {
702 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback); 755 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback);
703 } elsif (/^-(.*)$/) { 756 } elsif (/^-(.*)$/) {
704 delete $ext_arg{$1}; 757 delete $ext_arg{$1};
705 } elsif (/^([^<]+)<(.*)>$/) { 758 } elsif (/^([^<]+)<(.*)>$/) {
730 if $verbosity >= 10; 783 if $verbosity >= 10;
731 784
732 keys %$cb; 785 keys %$cb;
733 786
734 while (my ($pkg, $cb) = each %$cb) { 787 while (my ($pkg, $cb) = each %$cb) {
735 $retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) } 788 my $retval_ = eval { $cb->($TERM->{_pkg}{$pkg}, @_) };
736 and last; 789 $retval ||= $retval_;
737 790
738 if ($@) { 791 if ($@) {
739 $TERM->ungrab; # better to lose the grab than the session 792 $TERM->ungrab; # better to lose the grab than the session
740 warn $@; 793 warn $@;
741 } 794 }
899 952
900# find on_xxx subs in the package and register them 953# find on_xxx subs in the package and register them
901# as hooks 954# as hooks
902sub register_package { 955sub register_package {
903 my ($self, $pkg, $argv) = @_; 956 my ($self, $pkg, $argv) = @_;
957
958 no strict 'refs';
959
960 urxvt::verbose 6, "register package $pkg to $self";
961
962 @{"$pkg\::ISA"} = urxvt::term::extension::;
904 963
905 my $proxy = bless { 964 my $proxy = bless {
906 _pkg => $pkg, 965 _pkg => $pkg,
907 argv => $argv, 966 argv => $argv,
908 }, $pkg; 967 }, $pkg;
1635 $self->{term}->ungrab; 1694 $self->{term}->ungrab;
1636} 1695}
1637 1696
1638=back 1697=back
1639 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__;
1707
1640=head2 The C<urxvt::timer> Class 1708=head2 The C<urxvt::timer> Class
1641 1709
1642This class implements timer watchers/events. Time is represented as a 1710This class implements timer watchers/events. Time is represented as a
1643fractional number of seconds since the epoch. Example: 1711fractional number of seconds since the epoch. Example:
1644 1712
1741 1809
1742Stop watching for events on the given filehandle. 1810Stop watching for events on the given filehandle.
1743 1811
1744=back 1812=back
1745 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
1746=head1 ENVIRONMENT 1875=head1 ENVIRONMENT
1747 1876
1748=head2 URXVT_PERL_VERBOSITY 1877=head2 URXVT_PERL_VERBOSITY
1749 1878
1750This 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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