ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/rxvt-unicode/src/urxvt.pm
(Generate patch)

Comparing rxvt-unicode/src/urxvt.pm (file contents):
Revision 1.109 by root, Thu Jan 19 16:07:09 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
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
112Don't run it in a hook, otherwise the menu will grow and grow. Instead put
113it at the toplevel of your extension.
114 116
115=item searchable-scrollback<hotkey> (enabled by default) 117=item searchable-scrollback<hotkey> (enabled by default)
116 118
117Adds regex search functionality to the scrollback buffer, triggered 119Adds regex search functionality to the scrollback buffer, triggered
118by 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
160 162
161The 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
162every error message as a selection pattern, and the second line transforms 164every error message as a selection pattern, and the second line transforms
163the message into vi commands to load the file. 165the message into vi commands to load the file.
164 166
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
165=item mark-urls 178=item mark-urls
166 179
167Uses 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
168make them clickable. When middle-clicked, the program specified in the 181make them clickable. When middle-clicked, the program specified in the
169resource C<urlLauncher> (default C<x-www-browser>) will be started with 182resource C<urlLauncher> (default C<x-www-browser>) will be started with
301called whenever the relevant event happens. 314called whenever the relevant event happens.
302 315
303The 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
304the in the C<Extension Objects> section. 317the in the C<Extension Objects> section.
305 318
306B<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
307event 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
308skipped, and the relevant action might not be carried out by the C++ code. 321relevant action might not be carried out by the C++ code.
309 322
310I<< When in doubt, return a false value (preferably C<()>). >> 323I<< When in doubt, return a false value (preferably C<()>). >>
311 324
312=over 4 325=over 4
313 326
314=item on_init $term 327=item on_init $term
315 328
316Called after a new terminal object has been initialized, but before 329Called after a new terminal object has been initialized, but before
317windows 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
318call or deliver senseless data, as terminal size and other characteristics 331call or deliver senseless data, as terminal size and other characteristics
319have not yet been determined. You can safely query and change resources, 332have not yet been determined. You can safely query and change resources
320though. 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.
321 346
322=item on_reset $term 347=item on_reset $term
323 348
324Called 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
325control 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
326variables. 351variables.
327
328=item on_start $term
329
330Called at the very end of initialisation of a new terminal, just before
331returning to the mainloop.
332 352
333=item on_child_start $term, $pid 353=item on_child_start $term, $pid
334 354
335Called just after the child process has been C<fork>ed. 355Called just after the child process has been C<fork>ed.
336 356
482C<on_key_press> additionally receives the string rxvt-unicode would 502C<on_key_press> additionally receives the string rxvt-unicode would
483output, if any, in locale-specific encoding. 503output, if any, in locale-specific encoding.
484 504
485subwindow. 505subwindow.
486 506
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
487=back 516=back
488 517
489=cut 518=cut
490 519
491package urxvt; 520package urxvt;
496use Scalar::Util (); 525use Scalar::Util ();
497use List::Util (); 526use List::Util ();
498 527
499our $VERSION = 1; 528our $VERSION = 1;
500our $TERM; 529our $TERM;
530our @TERM_INIT;
531our @TERM_EXT;
501our @HOOKNAME; 532our @HOOKNAME;
502our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME; 533our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
503our %OPTION; 534our %OPTION;
504 535
505our $LIBDIR; 536our $LIBDIR;
526 557
527=item $urxvt::TERM 558=item $urxvt::TERM
528 559
529The current terminal. This variable stores the current C<urxvt::term> 560The current terminal. This variable stores the current C<urxvt::term>
530object, whenever a callback/hook is executing. 561object, whenever a callback/hook is executing.
562
563=item @urxvt::TERM_INIT
564
565All coderefs in this array will be called as methods of the next newly
566created C<urxvt::term> object (during the C<on_init> phase). The array
567gets cleared before the codereferences that were in it are being executed,
568so coderefs can push themselves onto it again if they so desire.
569
570This complements to the perl-eval commandline option, but gets executed
571first.
572
573=item @urxvt::TERM_EXT
574
575Works similar to C<@TERM_INIT>, but contains perl package/class names, which
576get registered as normal extensions after calling the hooks in C<@TERM_INIT>
577but before other extensions. Gets cleared just like C<@TERM_INIT>.
531 578
532=back 579=back
533 580
534=head2 Functions in the C<urxvt> Package 581=head2 Functions in the C<urxvt> Package
535 582
657 704
658# load a single script into its own package, once only 705# load a single script into its own package, once only
659sub extension_package($) { 706sub extension_package($) {
660 my ($path) = @_; 707 my ($path) = @_;
661 708
662 no strict 'refs';
663
664 $extension_pkg{$path} ||= do { 709 $extension_pkg{$path} ||= do {
665 $path =~ /([^\/\\]+)$/; 710 $path =~ /([^\/\\]+)$/;
666 my $pkg = $1; 711 my $pkg = $1;
667 $pkg =~ s/[^[:word:]]/_/g; 712 $pkg =~ s/[^[:word:]]/_/g;
668 $pkg = "urxvt::ext::$pkg"; 713 $pkg = "urxvt::ext::$pkg";
670 verbose 3, "loading extension '$path' into package '$pkg'"; 715 verbose 3, "loading extension '$path' into package '$pkg'";
671 716
672 open my $fh, "<:raw", $path 717 open my $fh, "<:raw", $path
673 or die "$path: $!"; 718 or die "$path: $!";
674 719
675 @{"$pkg\::ISA"} = urxvt::term::extension::;
676
677 my $source = 720 my $source =
678 "package $pkg; use strict; use utf8;\n" 721 "package $pkg; use strict; use utf8;\n"
679 . "#line 1 \"$path\"\n{\n" 722 . "#line 1 \"$path\"\n{\n"
680 . (do { local $/; <$fh> }) 723 . (do { local $/; <$fh> })
681 . "\n};\n1"; 724 . "\n};\n1";
697 if ($htype == 0) { # INIT 740 if ($htype == 0) { # INIT
698 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); 741 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
699 742
700 my %ext_arg; 743 my %ext_arg;
701 744
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
702 for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) { 754 for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
703 if ($_ eq "default") { 755 if ($_ eq "default") {
704 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback); 756 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback);
705 } elsif (/^-(.*)$/) { 757 } elsif (/^-(.*)$/) {
706 delete $ext_arg{$1}; 758 delete $ext_arg{$1};
707 } elsif (/^([^<]+)<(.*)>$/) { 759 } elsif (/^([^<]+)<(.*)>$/) {
732 if $verbosity >= 10; 784 if $verbosity >= 10;
733 785
734 keys %$cb; 786 keys %$cb;
735 787
736 while (my ($pkg, $cb) = each %$cb) { 788 while (my ($pkg, $cb) = each %$cb) {
737 $retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) } 789 my $retval_ = eval { $cb->($TERM->{_pkg}{$pkg}, @_) };
738 and last; 790 $retval ||= $retval_;
739 791
740 if ($@) { 792 if ($@) {
741 $TERM->ungrab; # better to lose the grab than the session 793 $TERM->ungrab; # better to lose the grab than the session
742 warn $@; 794 warn $@;
743 } 795 }
901 953
902# find on_xxx subs in the package and register them 954# find on_xxx subs in the package and register them
903# as hooks 955# as hooks
904sub register_package { 956sub register_package {
905 my ($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::;
906 964
907 my $proxy = bless { 965 my $proxy = bless {
908 _pkg => $pkg, 966 _pkg => $pkg,
909 argv => $argv, 967 argv => $argv,
910 }, $pkg; 968 }, $pkg;
1637 $self->{term}->ungrab; 1695 $self->{term}->ungrab;
1638} 1696}
1639 1697
1640=back 1698=back
1641 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
1642=head2 The C<urxvt::timer> Class 1709=head2 The C<urxvt::timer> Class
1643 1710
1644This class implements timer watchers/events. Time is represented as a 1711This class implements timer watchers/events. Time is represented as a
1645fractional number of seconds since the epoch. Example: 1712fractional number of seconds since the epoch. Example:
1646 1713
1743 1810
1744Stop watching for events on the given filehandle. 1811Stop watching for events on the given filehandle.
1745 1812
1746=back 1813=back
1747 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
1748=head1 ENVIRONMENT 1876=head1 ENVIRONMENT
1749 1877
1750=head2 URXVT_PERL_VERBOSITY 1878=head2 URXVT_PERL_VERBOSITY
1751 1879
1752This variable controls the verbosity level of the perl extension. Higher 1880This variable controls the verbosity level of the perl extension. Higher

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines