… | |
… | |
34 | find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>. |
34 | find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>. |
35 | |
35 | |
36 | You can activate them like this: |
36 | You can activate them like this: |
37 | |
37 | |
38 | @@RXVT_NAME@@ -pe <extensionname> |
38 | @@RXVT_NAME@@ -pe <extensionname> |
|
|
39 | |
|
|
40 | Or 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 | |
… | |
… | |
299 | called whenever the relevant event happens. |
303 | called whenever the relevant event happens. |
300 | |
304 | |
301 | The first argument passed to them is an extension oject as described in |
305 | The first argument passed to them is an extension oject as described in |
302 | the in the C<Extension Objects> section. |
306 | the in the C<Extension Objects> section. |
303 | |
307 | |
304 | B<All> of these hooks must return a boolean value. If it is true, then the |
308 | B<All> of these hooks must return a boolean value. If any of the called |
305 | event counts as being I<consumed>, and the invocation of other hooks is |
309 | hooks returns true, then the event counts as being I<consumed>, and the |
306 | skipped, and the relevant action might not be carried out by the C++ code. |
310 | relevant action might not be carried out by the C++ code. |
307 | |
311 | |
308 | I<< When in doubt, return a false value (preferably C<()>). >> |
312 | I<< When in doubt, return a false value (preferably C<()>). >> |
309 | |
313 | |
310 | =over 4 |
314 | =over 4 |
311 | |
315 | |
312 | =item on_init $term |
316 | =item on_init $term |
313 | |
317 | |
314 | Called after a new terminal object has been initialized, but before |
318 | Called after a new terminal object has been initialized, but before |
315 | windows are created or the command gets run. Most methods are unsafe to |
319 | windows are created or the command gets run. Most methods are unsafe to |
316 | call or deliver senseless data, as terminal size and other characteristics |
320 | call or deliver senseless data, as terminal size and other characteristics |
317 | have not yet been determined. You can safely query and change resources, |
321 | have not yet been determined. You can safely query and change resources |
318 | though. |
322 | and options, though. For many purposes the C<on_start> hook is a better |
|
|
323 | place. |
|
|
324 | |
|
|
325 | =item on_start $term |
|
|
326 | |
|
|
327 | Called at the very end of initialisation of a new terminal, just before |
|
|
328 | trying to map (display) the toplevel and returning to the mainloop. |
|
|
329 | |
|
|
330 | =item on_destroy $term |
|
|
331 | |
|
|
332 | Called whenever something tries to destroy terminal, before doing anything |
|
|
333 | yet. If this hook returns true, then destruction is skipped, but this is |
|
|
334 | rarely a good idea. |
319 | |
335 | |
320 | =item on_reset $term |
336 | =item on_reset $term |
321 | |
337 | |
322 | Called after the screen is "reset" for any reason, such as resizing or |
338 | Called after the screen is "reset" for any reason, such as resizing or |
323 | control sequences. Here is where you can react on changes to size-related |
339 | control sequences. Here is where you can react on changes to size-related |
324 | variables. |
340 | variables. |
325 | |
|
|
326 | =item on_start $term |
|
|
327 | |
|
|
328 | Called at the very end of initialisation of a new terminal, just before |
|
|
329 | returning to the mainloop. |
|
|
330 | |
341 | |
331 | =item on_child_start $term, $pid |
342 | =item on_child_start $term, $pid |
332 | |
343 | |
333 | Called just after the child process has been C<fork>ed. |
344 | Called just after the child process has been C<fork>ed. |
334 | |
345 | |
… | |
… | |
480 | C<on_key_press> additionally receives the string rxvt-unicode would |
491 | C<on_key_press> additionally receives the string rxvt-unicode would |
481 | output, if any, in locale-specific encoding. |
492 | output, if any, in locale-specific encoding. |
482 | |
493 | |
483 | subwindow. |
494 | subwindow. |
484 | |
495 | |
|
|
496 | =item on_client_message $term, $event |
|
|
497 | |
|
|
498 | =item on_wm_protocols $term, $event |
|
|
499 | |
|
|
500 | =item on_wm_delete_window $term, $event |
|
|
501 | |
|
|
502 | Called when various types of ClientMessage events are received (all with |
|
|
503 | format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW). |
|
|
504 | |
485 | =back |
505 | =back |
486 | |
506 | |
487 | =cut |
507 | =cut |
488 | |
508 | |
489 | package urxvt; |
509 | package urxvt; |
… | |
… | |
494 | use Scalar::Util (); |
514 | use Scalar::Util (); |
495 | use List::Util (); |
515 | use List::Util (); |
496 | |
516 | |
497 | our $VERSION = 1; |
517 | our $VERSION = 1; |
498 | our $TERM; |
518 | our $TERM; |
|
|
519 | our @TERM_INIT; |
|
|
520 | our @TERM_EXT; |
499 | our @HOOKNAME; |
521 | our @HOOKNAME; |
500 | our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME; |
522 | our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME; |
501 | our %OPTION; |
523 | our %OPTION; |
502 | |
524 | |
503 | our $LIBDIR; |
525 | our $LIBDIR; |
… | |
… | |
524 | |
546 | |
525 | =item $urxvt::TERM |
547 | =item $urxvt::TERM |
526 | |
548 | |
527 | The current terminal. This variable stores the current C<urxvt::term> |
549 | The current terminal. This variable stores the current C<urxvt::term> |
528 | object, whenever a callback/hook is executing. |
550 | object, whenever a callback/hook is executing. |
|
|
551 | |
|
|
552 | =item @urxvt::TERM_INIT |
|
|
553 | |
|
|
554 | All coderefs in this array will be called as methods of the next newly |
|
|
555 | created C<urxvt::term> object (during the C<on_init> phase). The array |
|
|
556 | gets cleared before the codereferences that were in it are being executed, |
|
|
557 | so coderefs can push themselves onto it again if they so desire. |
|
|
558 | |
|
|
559 | This complements to the perl-eval commandline option, but gets executed |
|
|
560 | first. |
|
|
561 | |
|
|
562 | =item @urxvt::TERM_EXT |
|
|
563 | |
|
|
564 | Works similar to C<@TERM_INIT>, but contains perl package/class names, which |
|
|
565 | get registered as normal extensions after calling the hooks in C<@TERM_INIT> |
|
|
566 | but before other extensions. Gets cleared just like C<@TERM_INIT>. |
529 | |
567 | |
530 | =back |
568 | =back |
531 | |
569 | |
532 | =head2 Functions in the C<urxvt> Package |
570 | =head2 Functions in the C<urxvt> Package |
533 | |
571 | |
… | |
… | |
655 | |
693 | |
656 | # load a single script into its own package, once only |
694 | # load a single script into its own package, once only |
657 | sub extension_package($) { |
695 | sub extension_package($) { |
658 | my ($path) = @_; |
696 | my ($path) = @_; |
659 | |
697 | |
660 | no strict 'refs'; |
|
|
661 | |
|
|
662 | $extension_pkg{$path} ||= do { |
698 | $extension_pkg{$path} ||= do { |
663 | $path =~ /([^\/\\]+)$/; |
699 | $path =~ /([^\/\\]+)$/; |
664 | my $pkg = $1; |
700 | my $pkg = $1; |
665 | $pkg =~ s/[^[:word:]]/_/g; |
701 | $pkg =~ s/[^[:word:]]/_/g; |
666 | $pkg = "urxvt::ext::$pkg"; |
702 | $pkg = "urxvt::ext::$pkg"; |
… | |
… | |
668 | verbose 3, "loading extension '$path' into package '$pkg'"; |
704 | verbose 3, "loading extension '$path' into package '$pkg'"; |
669 | |
705 | |
670 | open my $fh, "<:raw", $path |
706 | open my $fh, "<:raw", $path |
671 | or die "$path: $!"; |
707 | or die "$path: $!"; |
672 | |
708 | |
673 | @{"$pkg\::ISA"} = urxvt::term::extension::; |
|
|
674 | |
|
|
675 | my $source = |
709 | my $source = |
676 | "package $pkg; use strict; use utf8;\n" |
710 | "package $pkg; use strict; use utf8;\n" |
677 | . "#line 1 \"$path\"\n{\n" |
711 | . "#line 1 \"$path\"\n{\n" |
678 | . (do { local $/; <$fh> }) |
712 | . (do { local $/; <$fh> }) |
679 | . "\n};\n1"; |
713 | . "\n};\n1"; |
… | |
… | |
695 | if ($htype == 0) { # INIT |
729 | if ($htype == 0) { # INIT |
696 | my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); |
730 | my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); |
697 | |
731 | |
698 | my %ext_arg; |
732 | my %ext_arg; |
699 | |
733 | |
|
|
734 | { |
|
|
735 | my @init = @TERM_INIT; |
|
|
736 | @TERM_INIT = (); |
|
|
737 | $_->($TERM) for @init; |
|
|
738 | my @pkg = @TERM_EXT; |
|
|
739 | @TERM_EXT = (); |
|
|
740 | $TERM->register_package ($_) for @pkg; |
|
|
741 | } |
|
|
742 | |
700 | for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) { |
743 | for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) { |
701 | if ($_ eq "default") { |
744 | if ($_ eq "default") { |
702 | $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback); |
745 | $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback); |
703 | } elsif (/^-(.*)$/) { |
746 | } elsif (/^-(.*)$/) { |
704 | delete $ext_arg{$1}; |
747 | delete $ext_arg{$1}; |
705 | } elsif (/^([^<]+)<(.*)>$/) { |
748 | } elsif (/^([^<]+)<(.*)>$/) { |
… | |
… | |
730 | if $verbosity >= 10; |
773 | if $verbosity >= 10; |
731 | |
774 | |
732 | keys %$cb; |
775 | keys %$cb; |
733 | |
776 | |
734 | while (my ($pkg, $cb) = each %$cb) { |
777 | while (my ($pkg, $cb) = each %$cb) { |
735 | $retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) } |
778 | my $retval_ = eval { $cb->($TERM->{_pkg}{$pkg}, @_) }; |
736 | and last; |
779 | $retval ||= $retval_; |
737 | |
780 | |
738 | if ($@) { |
781 | if ($@) { |
739 | $TERM->ungrab; # better to lose the grab than the session |
782 | $TERM->ungrab; # better to lose the grab than the session |
740 | warn $@; |
783 | warn $@; |
741 | } |
784 | } |
… | |
… | |
899 | |
942 | |
900 | # find on_xxx subs in the package and register them |
943 | # find on_xxx subs in the package and register them |
901 | # as hooks |
944 | # as hooks |
902 | sub register_package { |
945 | sub register_package { |
903 | my ($self, $pkg, $argv) = @_; |
946 | my ($self, $pkg, $argv) = @_; |
|
|
947 | |
|
|
948 | no strict 'refs'; |
|
|
949 | |
|
|
950 | urxvt::verbose 6, "register package $pkg to $self"; |
|
|
951 | |
|
|
952 | @{"$pkg\::ISA"} = urxvt::term::extension::; |
904 | |
953 | |
905 | my $proxy = bless { |
954 | my $proxy = bless { |
906 | _pkg => $pkg, |
955 | _pkg => $pkg, |
907 | argv => $argv, |
956 | argv => $argv, |
908 | }, $pkg; |
957 | }, $pkg; |
… | |
… | |
1635 | $self->{term}->ungrab; |
1684 | $self->{term}->ungrab; |
1636 | } |
1685 | } |
1637 | |
1686 | |
1638 | =back |
1687 | =back |
1639 | |
1688 | |
|
|
1689 | =cut |
|
|
1690 | |
|
|
1691 | package urxvt::watcher; |
|
|
1692 | |
|
|
1693 | @urxvt::timer::ISA = __PACKAGE__; |
|
|
1694 | @urxvt::iow::ISA = __PACKAGE__; |
|
|
1695 | @urxvt::pw::ISA = __PACKAGE__; |
|
|
1696 | @urxvt::iw::ISA = __PACKAGE__; |
|
|
1697 | |
1640 | =head2 The C<urxvt::timer> Class |
1698 | =head2 The C<urxvt::timer> Class |
1641 | |
1699 | |
1642 | This class implements timer watchers/events. Time is represented as a |
1700 | This class implements timer watchers/events. Time is represented as a |
1643 | fractional number of seconds since the epoch. Example: |
1701 | fractional number of seconds since the epoch. Example: |
1644 | |
1702 | |
… | |
… | |
1741 | |
1799 | |
1742 | Stop watching for events on the given filehandle. |
1800 | Stop watching for events on the given filehandle. |
1743 | |
1801 | |
1744 | =back |
1802 | =back |
1745 | |
1803 | |
|
|
1804 | =head2 The C<urxvt::iw> Class |
|
|
1805 | |
|
|
1806 | This class implements idle watchers, that get called automatically when |
|
|
1807 | the process is idle. They should return as fast as possible, after doing |
|
|
1808 | some useful work. |
|
|
1809 | |
|
|
1810 | =over 4 |
|
|
1811 | |
|
|
1812 | =item $iw = new urxvt::iw |
|
|
1813 | |
|
|
1814 | Create a new idle watcher object in stopped state. |
|
|
1815 | |
|
|
1816 | =item $iw = $iw->cb (sub { my ($iw) = @_; ... }) |
|
|
1817 | |
|
|
1818 | Set the callback to be called when the watcher triggers. |
|
|
1819 | |
|
|
1820 | =item $timer = $timer->start |
|
|
1821 | |
|
|
1822 | Start the watcher. |
|
|
1823 | |
|
|
1824 | =item $timer = $timer->stop |
|
|
1825 | |
|
|
1826 | Stop the watcher. |
|
|
1827 | |
|
|
1828 | =back |
|
|
1829 | |
|
|
1830 | =head2 The C<urxvt::pw> Class |
|
|
1831 | |
|
|
1832 | This class implements process watchers. They create an event whenever a |
|
|
1833 | process exits, after which they stop automatically. |
|
|
1834 | |
|
|
1835 | my $pid = fork; |
|
|
1836 | ... |
|
|
1837 | $term->{pw} = urxvt::pw |
|
|
1838 | ->new |
|
|
1839 | ->start ($pid) |
|
|
1840 | ->cb (sub { |
|
|
1841 | my ($pw, $exit_status) = @_; |
|
|
1842 | ... |
|
|
1843 | }); |
|
|
1844 | |
|
|
1845 | =over 4 |
|
|
1846 | |
|
|
1847 | =item $pw = new urxvt::pw |
|
|
1848 | |
|
|
1849 | Create a new process watcher in stopped state. |
|
|
1850 | |
|
|
1851 | =item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... }) |
|
|
1852 | |
|
|
1853 | Set the callback to be called when the timer triggers. |
|
|
1854 | |
|
|
1855 | =item $pw = $timer->start ($pid) |
|
|
1856 | |
|
|
1857 | Tells the wqtcher to start watching for process C<$pid>. |
|
|
1858 | |
|
|
1859 | =item $pw = $pw->stop |
|
|
1860 | |
|
|
1861 | Stop the watcher. |
|
|
1862 | |
|
|
1863 | =back |
|
|
1864 | |
1746 | =head1 ENVIRONMENT |
1865 | =head1 ENVIRONMENT |
1747 | |
1866 | |
1748 | =head2 URXVT_PERL_VERBOSITY |
1867 | =head2 URXVT_PERL_VERBOSITY |
1749 | |
1868 | |
1750 | This variable controls the verbosity level of the perl extension. Higher |
1869 | This variable controls the verbosity level of the perl extension. Higher |