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Comparing rxvt-unicode/src/urxvt.pm (file contents):
Revision 1.109 by root, Thu Jan 19 16:07:09 2006 UTC vs.
Revision 1.120 by root, Fri Jan 20 22:05:41 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 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
456Called wheneever the window loses keyboard focus, before rxvt-unicode does 476Called wheneever the window loses keyboard focus, before rxvt-unicode does
457focus out processing. 477focus out processing.
458 478
459=item on_configure_notify $term, $event 479=item on_configure_notify $term, $event
460 480
481=item on_property_notify $term, $event
482
461=item on_key_press $term, $event, $keysym, $octets 483=item on_key_press $term, $event, $keysym, $octets
462 484
463=item on_key_release $term, $event, $keysym 485=item on_key_release $term, $event, $keysym
464 486
465=item on_button_press $term, $event 487=item on_button_press $term, $event
474 496
475Called whenever the corresponding X event is received for the terminal If 497Called whenever the corresponding X event is received for the terminal If
476the hook returns true, then the even will be ignored by rxvt-unicode. 498the hook returns true, then the even will be ignored by rxvt-unicode.
477 499
478The event is a hash with most values as named by Xlib (see the XEvent 500The event is a hash with most values as named by Xlib (see the XEvent
479manpage), with the additional members C<row> and C<col>, which are the row 501manpage), with the additional members C<row> and C<col>, which are the
480and column under the mouse cursor. 502(real, not screen-based) row and column under the mouse cursor.
481 503
482C<on_key_press> additionally receives the string rxvt-unicode would 504C<on_key_press> additionally receives the string rxvt-unicode would
483output, if any, in locale-specific encoding. 505output, if any, in locale-specific encoding.
484 506
485subwindow. 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).
486 517
487=back 518=back
488 519
489=cut 520=cut
490 521
496use Scalar::Util (); 527use Scalar::Util ();
497use List::Util (); 528use List::Util ();
498 529
499our $VERSION = 1; 530our $VERSION = 1;
500our $TERM; 531our $TERM;
532our @TERM_INIT;
533our @TERM_EXT;
501our @HOOKNAME; 534our @HOOKNAME;
502our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME; 535our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
503our %OPTION; 536our %OPTION;
504 537
505our $LIBDIR; 538our $LIBDIR;
526 559
527=item $urxvt::TERM 560=item $urxvt::TERM
528 561
529The current terminal. This variable stores the current C<urxvt::term> 562The current terminal. This variable stores the current C<urxvt::term>
530object, whenever a callback/hook is executing. 563object, whenever a callback/hook is executing.
564
565=item @urxvt::TERM_INIT
566
567All coderefs in this array will be called as methods of the next newly
568created C<urxvt::term> object (during the C<on_init> phase). The array
569gets cleared before the codereferences that were in it are being executed,
570so coderefs can push themselves onto it again if they so desire.
571
572This complements to the perl-eval commandline option, but gets executed
573first.
574
575=item @urxvt::TERM_EXT
576
577Works similar to C<@TERM_INIT>, but contains perl package/class names, which
578get registered as normal extensions after calling the hooks in C<@TERM_INIT>
579but before other extensions. Gets cleared just like C<@TERM_INIT>.
531 580
532=back 581=back
533 582
534=head2 Functions in the C<urxvt> Package 583=head2 Functions in the C<urxvt> Package
535 584
657 706
658# load a single script into its own package, once only 707# load a single script into its own package, once only
659sub extension_package($) { 708sub extension_package($) {
660 my ($path) = @_; 709 my ($path) = @_;
661 710
662 no strict 'refs';
663
664 $extension_pkg{$path} ||= do { 711 $extension_pkg{$path} ||= do {
665 $path =~ /([^\/\\]+)$/; 712 $path =~ /([^\/\\]+)$/;
666 my $pkg = $1; 713 my $pkg = $1;
667 $pkg =~ s/[^[:word:]]/_/g; 714 $pkg =~ s/[^[:word:]]/_/g;
668 $pkg = "urxvt::ext::$pkg"; 715 $pkg = "urxvt::ext::$pkg";
670 verbose 3, "loading extension '$path' into package '$pkg'"; 717 verbose 3, "loading extension '$path' into package '$pkg'";
671 718
672 open my $fh, "<:raw", $path 719 open my $fh, "<:raw", $path
673 or die "$path: $!"; 720 or die "$path: $!";
674 721
675 @{"$pkg\::ISA"} = urxvt::term::extension::;
676
677 my $source = 722 my $source =
678 "package $pkg; use strict; use utf8;\n" 723 "package $pkg; use strict; use utf8;\n"
679 . "#line 1 \"$path\"\n{\n" 724 . "#line 1 \"$path\"\n{\n"
680 . (do { local $/; <$fh> }) 725 . (do { local $/; <$fh> })
681 . "\n};\n1"; 726 . "\n};\n1";
697 if ($htype == 0) { # INIT 742 if ($htype == 0) { # INIT
698 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); 743 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
699 744
700 my %ext_arg; 745 my %ext_arg;
701 746
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
702 for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) { 756 for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
703 if ($_ eq "default") { 757 if ($_ eq "default") {
704 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback); 758 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback);
705 } elsif (/^-(.*)$/) { 759 } elsif (/^-(.*)$/) {
706 delete $ext_arg{$1}; 760 delete $ext_arg{$1};
707 } elsif (/^([^<]+)<(.*)>$/) { 761 } elsif (/^([^<]+)<(.*)>$/) {
732 if $verbosity >= 10; 786 if $verbosity >= 10;
733 787
734 keys %$cb; 788 keys %$cb;
735 789
736 while (my ($pkg, $cb) = each %$cb) { 790 while (my ($pkg, $cb) = each %$cb) {
737 $retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) } 791 my $retval_ = eval { $cb->($TERM->{_pkg}{$pkg}, @_) };
738 and last; 792 $retval ||= $retval_;
739 793
740 if ($@) { 794 if ($@) {
741 $TERM->ungrab; # better to lose the grab than the session 795 $TERM->ungrab; # better to lose the grab than the session
742 warn $@; 796 warn $@;
743 } 797 }
901 955
902# find on_xxx subs in the package and register them 956# find on_xxx subs in the package and register them
903# as hooks 957# as hooks
904sub register_package { 958sub register_package {
905 my ($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::;
906 966
907 my $proxy = bless { 967 my $proxy = bless {
908 _pkg => $pkg, 968 _pkg => $pkg,
909 argv => $argv, 969 argv => $argv,
910 }, $pkg; 970 }, $pkg;
1508 1568
1509Calls XUngrab for the most recent grab. Is called automatically on 1569Calls XUngrab for the most recent grab. Is called automatically on
1510evaluation 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
1511the session. 1571the session.
1512 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
1513=back 1603=back
1514 1604
1515=cut 1605=cut
1516 1606
1517package urxvt::popup; 1607package urxvt::popup;
1636 delete $self->{term}{_destroy}{$self}; 1726 delete $self->{term}{_destroy}{$self};
1637 $self->{term}->ungrab; 1727 $self->{term}->ungrab;
1638} 1728}
1639 1729
1640=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__;
1641 1740
1642=head2 The C<urxvt::timer> Class 1741=head2 The C<urxvt::timer> Class
1643 1742
1644This class implements timer watchers/events. Time is represented as a 1743This class implements timer watchers/events. Time is represented as a
1645fractional number of seconds since the epoch. Example: 1744fractional number of seconds since the epoch. Example:
1743 1842
1744Stop watching for events on the given filehandle. 1843Stop watching for events on the given filehandle.
1745 1844
1746=back 1845=back
1747 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
1748=head1 ENVIRONMENT 1908=head1 ENVIRONMENT
1749 1909
1750=head2 URXVT_PERL_VERBOSITY 1910=head2 URXVT_PERL_VERBOSITY
1751 1911
1752This 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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