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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 1.119 by root, Fri Jan 20 18:59:31 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
87 91
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. 96evaluation, web-browser starting etc.), depending on content.
93 97
94Other extensions can extend this popup menu by pushing a code reference 98Other extensions can extend this popup menu by pushing a code reference
95onto C<@{ $term->{selection_popup_hook} }>, that is called whenever the 99onto C<@{ $term->{selection_popup_hook} }>, that is called whenever the
96popup is displayed. 100popup is displayed.
97 101
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
454Called wheneever the window loses keyboard focus, before rxvt-unicode does 476Called wheneever the window loses keyboard focus, before rxvt-unicode does
455focus out processing. 477focus out processing.
456 478
457=item on_configure_notify $term, $event 479=item on_configure_notify $term, $event
458 480
481=item on_property_notify $term, $event
482
459=item on_key_press $term, $event, $keysym, $octets 483=item on_key_press $term, $event, $keysym, $octets
460 484
461=item on_key_release $term, $event, $keysym 485=item on_key_release $term, $event, $keysym
462 486
463=item on_button_press $term, $event 487=item on_button_press $term, $event
479 503
480C<on_key_press> additionally receives the string rxvt-unicode would 504C<on_key_press> additionally receives the string rxvt-unicode would
481output, if any, in locale-specific encoding. 505output, if any, in locale-specific encoding.
482 506
483subwindow. 507subwindow.
508
509=item on_client_message $term, $event
510
511=item on_wm_protocols $term, $event
512
513=item on_wm_delete_window $term, $event
514
515Called when various types of ClientMessage events are received (all with
516format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
484 517
485=back 518=back
486 519
487=cut 520=cut
488 521
494use Scalar::Util (); 527use Scalar::Util ();
495use List::Util (); 528use List::Util ();
496 529
497our $VERSION = 1; 530our $VERSION = 1;
498our $TERM; 531our $TERM;
532our @TERM_INIT;
533our @TERM_EXT;
499our @HOOKNAME; 534our @HOOKNAME;
500our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME; 535our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
501our %OPTION; 536our %OPTION;
502 537
503our $LIBDIR; 538our $LIBDIR;
524 559
525=item $urxvt::TERM 560=item $urxvt::TERM
526 561
527The current terminal. This variable stores the current C<urxvt::term> 562The current terminal. This variable stores the current C<urxvt::term>
528object, whenever a callback/hook is executing. 563object, whenever a callback/hook is executing.
564
565=item @urxvt::TERM_INIT
566
567All coderefs in this array will be called as methods of the next newly
568created C<urxvt::term> object (during the C<on_init> phase). The array
569gets cleared before the codereferences that were in it are being executed,
570so coderefs can push themselves onto it again if they so desire.
571
572This complements to the perl-eval commandline option, but gets executed
573first.
574
575=item @urxvt::TERM_EXT
576
577Works similar to C<@TERM_INIT>, but contains perl package/class names, which
578get registered as normal extensions after calling the hooks in C<@TERM_INIT>
579but before other extensions. Gets cleared just like C<@TERM_INIT>.
529 580
530=back 581=back
531 582
532=head2 Functions in the C<urxvt> Package 583=head2 Functions in the C<urxvt> Package
533 584
655 706
656# load a single script into its own package, once only 707# load a single script into its own package, once only
657sub extension_package($) { 708sub extension_package($) {
658 my ($path) = @_; 709 my ($path) = @_;
659 710
660 no strict 'refs';
661
662 $extension_pkg{$path} ||= do { 711 $extension_pkg{$path} ||= do {
663 $path =~ /([^\/\\]+)$/; 712 $path =~ /([^\/\\]+)$/;
664 my $pkg = $1; 713 my $pkg = $1;
665 $pkg =~ s/[^[:word:]]/_/g; 714 $pkg =~ s/[^[:word:]]/_/g;
666 $pkg = "urxvt::ext::$pkg"; 715 $pkg = "urxvt::ext::$pkg";
668 verbose 3, "loading extension '$path' into package '$pkg'"; 717 verbose 3, "loading extension '$path' into package '$pkg'";
669 718
670 open my $fh, "<:raw", $path 719 open my $fh, "<:raw", $path
671 or die "$path: $!"; 720 or die "$path: $!";
672 721
673 @{"$pkg\::ISA"} = urxvt::term::extension::;
674
675 my $source = 722 my $source =
676 "package $pkg; use strict; use utf8;\n" 723 "package $pkg; use strict; use utf8;\n"
677 . "#line 1 \"$path\"\n{\n" 724 . "#line 1 \"$path\"\n{\n"
678 . (do { local $/; <$fh> }) 725 . (do { local $/; <$fh> })
679 . "\n};\n1"; 726 . "\n};\n1";
695 if ($htype == 0) { # INIT 742 if ($htype == 0) { # INIT
696 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); 743 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
697 744
698 my %ext_arg; 745 my %ext_arg;
699 746
747 {
748 my @init = @TERM_INIT;
749 @TERM_INIT = ();
750 $_->($TERM) for @init;
751 my @pkg = @TERM_EXT;
752 @TERM_EXT = ();
753 $TERM->register_package ($_) for @pkg;
754 }
755
700 for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) { 756 for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
701 if ($_ eq "default") { 757 if ($_ eq "default") {
702 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback); 758 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback);
703 } elsif (/^-(.*)$/) { 759 } elsif (/^-(.*)$/) {
704 delete $ext_arg{$1}; 760 delete $ext_arg{$1};
705 } elsif (/^([^<]+)<(.*)>$/) { 761 } elsif (/^([^<]+)<(.*)>$/) {
730 if $verbosity >= 10; 786 if $verbosity >= 10;
731 787
732 keys %$cb; 788 keys %$cb;
733 789
734 while (my ($pkg, $cb) = each %$cb) { 790 while (my ($pkg, $cb) = each %$cb) {
735 $retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) } 791 my $retval_ = eval { $cb->($TERM->{_pkg}{$pkg}, @_) };
736 and last; 792 $retval ||= $retval_;
737 793
738 if ($@) { 794 if ($@) {
739 $TERM->ungrab; # better to lose the grab than the session 795 $TERM->ungrab; # better to lose the grab than the session
740 warn $@; 796 warn $@;
741 } 797 }
899 955
900# find on_xxx subs in the package and register them 956# find on_xxx subs in the package and register them
901# as hooks 957# as hooks
902sub register_package { 958sub register_package {
903 my ($self, $pkg, $argv) = @_; 959 my ($self, $pkg, $argv) = @_;
960
961 no strict 'refs';
962
963 urxvt::verbose 6, "register package $pkg to $self";
964
965 @{"$pkg\::ISA"} = urxvt::term::extension::;
904 966
905 my $proxy = bless { 967 my $proxy = bless {
906 _pkg => $pkg, 968 _pkg => $pkg,
907 argv => $argv, 969 argv => $argv,
908 }, $pkg; 970 }, $pkg;
1506 1568
1507Calls XUngrab for the most recent grab. Is called automatically on 1569Calls XUngrab for the most recent grab. Is called automatically on
1508evaluation errors, as it is better to lose the grab in the error case as 1570evaluation errors, as it is better to lose the grab in the error case as
1509the session. 1571the session.
1510 1572
1573=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
1574
1575=item $atom_name = $term->XGetAtomName ($atom)
1576
1577=item @atoms = $term->XListProperties ($window)
1578
1579=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
1580
1581=item $term->XChangeWindowProperty ($window, $property, $type, $format, $octets)
1582
1583=item $term->XDeleteProperty ($window, $property)
1584
1585=item $window = $term->DefaultRootWindow
1586
1587=item $term->XReparentWindow ($window, $parent, [$x, $y])
1588
1589=item $term->XMapWindow ($window)
1590
1591=item $term->XUnmapWindow ($window)
1592
1593=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
1594
1595=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
1596
1597=item $term->XChangeInput ($window, $add_events[, $del_events])
1598
1599Various X or X-related functions. The C<$term> object only serves as
1600the source of the display, otherwise those functions map more-or-less
1601directory onto the X functions of the same name.
1602
1511=back 1603=back
1512 1604
1513=cut 1605=cut
1514 1606
1515package urxvt::popup; 1607package urxvt::popup;
1634 delete $self->{term}{_destroy}{$self}; 1726 delete $self->{term}{_destroy}{$self};
1635 $self->{term}->ungrab; 1727 $self->{term}->ungrab;
1636} 1728}
1637 1729
1638=back 1730=back
1731
1732=cut
1733
1734package urxvt::watcher;
1735
1736@urxvt::timer::ISA = __PACKAGE__;
1737@urxvt::iow::ISA = __PACKAGE__;
1738@urxvt::pw::ISA = __PACKAGE__;
1739@urxvt::iw::ISA = __PACKAGE__;
1639 1740
1640=head2 The C<urxvt::timer> Class 1741=head2 The C<urxvt::timer> Class
1641 1742
1642This class implements timer watchers/events. Time is represented as a 1743This class implements timer watchers/events. Time is represented as a
1643fractional number of seconds since the epoch. Example: 1744fractional number of seconds since the epoch. Example:
1741 1842
1742Stop watching for events on the given filehandle. 1843Stop watching for events on the given filehandle.
1743 1844
1744=back 1845=back
1745 1846
1847=head2 The C<urxvt::iw> Class
1848
1849This class implements idle watchers, that get called automatically when
1850the process is idle. They should return as fast as possible, after doing
1851some useful work.
1852
1853=over 4
1854
1855=item $iw = new urxvt::iw
1856
1857Create a new idle watcher object in stopped state.
1858
1859=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
1860
1861Set the callback to be called when the watcher triggers.
1862
1863=item $timer = $timer->start
1864
1865Start the watcher.
1866
1867=item $timer = $timer->stop
1868
1869Stop the watcher.
1870
1871=back
1872
1873=head2 The C<urxvt::pw> Class
1874
1875This class implements process watchers. They create an event whenever a
1876process exits, after which they stop automatically.
1877
1878 my $pid = fork;
1879 ...
1880 $term->{pw} = urxvt::pw
1881 ->new
1882 ->start ($pid)
1883 ->cb (sub {
1884 my ($pw, $exit_status) = @_;
1885 ...
1886 });
1887
1888=over 4
1889
1890=item $pw = new urxvt::pw
1891
1892Create a new process watcher in stopped state.
1893
1894=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
1895
1896Set the callback to be called when the timer triggers.
1897
1898=item $pw = $timer->start ($pid)
1899
1900Tells the wqtcher to start watching for process C<$pid>.
1901
1902=item $pw = $pw->stop
1903
1904Stop the watcher.
1905
1906=back
1907
1746=head1 ENVIRONMENT 1908=head1 ENVIRONMENT
1747 1909
1748=head2 URXVT_PERL_VERBOSITY 1910=head2 URXVT_PERL_VERBOSITY
1749 1911
1750This variable controls the verbosity level of the perl extension. Higher 1912This variable controls the verbosity level of the perl extension. Higher

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