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Revision 1.89 by root, Thu Jan 12 12:10:06 2006 UTC vs.
Revision 1.118 by root, Fri Jan 20 18:50:49 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
66 URxvt.selection.pattern-0: \\|([^|]+)\\| 70 URxvt.selection.pattern-0: \\|([^|]+)\\|
67 71
68You can look at the source of the selection extension to see more 72You can look at the source of the selection extension to see more
69interesting uses, such as parsing a line from beginning to end. 73interesting uses, such as parsing a line from beginning to end.
70 74
71This extension also offers the following bindable keyboard command: 75This extension also offers following bindable keyboard commands:
72 76
73=over 4 77=over 4
74 78
75=item rot13 79=item rot13
76 80
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.
97
98Other extensions can extend this popup menu by pushing a code reference
99onto C<@{ $term->{selection_popup_hook} }>, that is called whenever the
100popup is displayed.
101
102It's sole argument is the popup menu, which can be modified. The selection
103is in C<$_>, which can be used to decide wether to add something or not.
104It should either return nothing or a string and a code reference. The
105string will be used as button text and the code reference will be called
106when the button gets activated and should transform C<$_>.
107
108The following will add an entry C<a to b> that transforms all C<a>s in
109the selection to C<b>s, but only if the selection currently contains any
110C<a>s:
111
112 push @{ $self->{term}{selection_popup_hook} }, sub {
113 /a/ ? ("a to be" => sub { s/a/b/g }
114 : ()
115 };
93 116
94=item searchable-scrollback<hotkey> (enabled by default) 117=item searchable-scrollback<hotkey> (enabled by default)
95 118
96Adds regex search functionality to the scrollback buffer, triggered 119Adds regex search functionality to the scrollback buffer, triggered
97by a hotkey (default: C<M-s>). While in search mode, normal terminal 120by a hotkey (default: C<M-s>). While in search mode, normal terminal
120 143
121For example, the following will transform selections of the form 144For example, the following will transform selections of the form
122C<filename:number>, often seen in compiler messages, into C<vi +$filename 145C<filename:number>, often seen in compiler messages, into C<vi +$filename
123$word>: 146$word>:
124 147
125 URxvt.selection-autotransform.0: s/^(\\S+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/ 148 URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/
126 149
127And this example matches the same,but replaces it with vi-commands you can 150And this example matches the same,but replaces it with vi-commands you can
128paste directly into your (vi :) editor: 151paste directly into your (vi :) editor:
129 152
130 URxvt.selection-autotransform.0: s/^(S+):(d+):?$/\\x1b:e \\Q$1\\E\\x0d:$2\\x0d/ 153 URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/:e \\Q$1\\E\\x0d:$2\\x0d/
154
155Of course, this can be modified to suit your needs and your editor :)
156
157To expand the example above to typical perl error messages ("XXX at
158FILENAME line YYY."), you need a slightly more elaborate solution:
159
160 URxvt.selection.pattern-0: ( at .*? line \\d+[,.])
161 URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)[,.]$/:e \\Q$1\E\\x0d:$2\\x0d/
162
163The first line tells the selection code to treat the unchanging part of
164every error message as a selection pattern, and the second line transforms
165the message into vi commands to load the file.
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.
131 177
132=item mark-urls 178=item mark-urls
133 179
134Uses 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
135make them clickable. When middle-clicked, the program specified in the 181make them clickable. When middle-clicked, the program specified in the
136resource C<urlLauncher> (default C<x-www-browser>) will be started with 182resource C<urlLauncher> (default C<x-www-browser>) will be started with
137the URL as first argument. 183the URL as first argument.
138 184
185=item automove-background
186
187This is basically a one-line extension that dynamically changes the background pixmap offset
188to the window position, in effect creating the same effect as pseudo transparency with
189a custom pixmap. No scaling is supported in this mode. Exmaple:
190
191 @@RXVT_NAME@@ -pixmap background.xpm -pe automove-background
192
139=item block-graphics-to-ascii 193=item block-graphics-to-ascii
140 194
141A not very useful example of filtering all text output to the terminal, 195A not very useful example of filtering all text output to the terminal,
142by replacing all line-drawing characters (U+2500 .. U+259F) by a 196by replacing all line-drawing characters (U+2500 .. U+259F) by a
143similar-looking ascii character. 197similar-looking ascii character.
149=item example-refresh-hooks 203=item example-refresh-hooks
150 204
151Displays a very simple digital clock in the upper right corner of the 205Displays a very simple digital clock in the upper right corner of the
152window. Illustrates overwriting the refresh callbacks to create your own 206window. Illustrates overwriting the refresh callbacks to create your own
153overlays or changes. 207overlays or changes.
208
209=item selection-pastebin
210
211This is a little rarely useful extension that Uploads the selection as
212textfile to a remote site (or does other things). (The implementation is
213not currently secure for use in a multiuser environment as it writes to
214F</tmp> directly.).
215
216It listens to the C<selection-pastebin:remote-pastebin> keyboard command,
217i.e.
218
219 URxvt.keysym.C-M-e: perl:selection-pastebin:remote-pastebin
220
221Pressing this combination runs a command with C<%> replaced by the name of
222the textfile. This command can be set via a resource:
223
224 URxvt.selection-pastebin.cmd: rsync -apP % ruth:/var/www/www.ta-sa.org/files/txt/.
225
226And the default is likely not useful to anybody but the few people around
227here :)
228
229The name of the textfile is the hex encoded md5 sum of the selection, so
230the same content should lead to the same filename.
231
232After a successful upload the selection will be replaced by the text given
233in the C<selection-pastebin-url> resource (again, the % is the placeholder
234for the filename):
235
236 URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/%
154 237
155=back 238=back
156 239
157=head1 API DOCUMENTATION 240=head1 API DOCUMENTATION
158 241
231called whenever the relevant event happens. 314called whenever the relevant event happens.
232 315
233The 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
234the in the C<Extension Objects> section. 317the in the C<Extension Objects> section.
235 318
236B<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
237event 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
238skipped, and the relevant action might not be carried out by the C++ code. 321relevant action might not be carried out by the C++ code.
239 322
240I<< When in doubt, return a false value (preferably C<()>). >> 323I<< When in doubt, return a false value (preferably C<()>). >>
241 324
242=over 4 325=over 4
243 326
244=item on_init $term 327=item on_init $term
245 328
246Called after a new terminal object has been initialized, but before 329Called after a new terminal object has been initialized, but before
247windows 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
248call or deliver senseless data, as terminal size and other characteristics 331call or deliver senseless data, as terminal size and other characteristics
249have not yet been determined. You can safely query and change resources, 332have not yet been determined. You can safely query and change resources
250though. 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.
251 346
252=item on_reset $term 347=item on_reset $term
253 348
254Called 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
255control 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
256variables. 351variables.
257 352
258=item on_start $term 353=item on_child_start $term, $pid
259 354
260Called at the very end of initialisation of a new terminal, just before 355Called just after the child process has been C<fork>ed.
261returning to the mainloop. 356
357=item on_child_exit $term, $status
358
359Called just after the child process has exited. C<$status> is the status
360from C<waitpid>.
262 361
263=item on_sel_make $term, $eventtime 362=item on_sel_make $term, $eventtime
264 363
265Called whenever a selection has been made by the user, but before the 364Called whenever a selection has been made by the user, but before the
266selection text is copied, so changes to the beginning, end or type of the 365selection text is copied, so changes to the beginning, end or type of the
359 458
360Called whenever the user presses a key combination that has a 459Called whenever the user presses a key combination that has a
361C<perl:string> action bound to it (see description of the B<keysym> 460C<perl:string> action bound to it (see description of the B<keysym>
362resource in the @@RXVT_NAME@@(1) manpage). 461resource in the @@RXVT_NAME@@(1) manpage).
363 462
463=item on_x_event $term, $event
464
465Called on every X event received on the vt window (and possibly other
466windows). Should only be used as a last resort. Most event structure
467members are not passed.
468
364=item on_focus_in $term 469=item on_focus_in $term
365 470
366Called whenever the window gets the keyboard focus, before rxvt-unicode 471Called whenever the window gets the keyboard focus, before rxvt-unicode
367does focus in processing. 472does focus in processing.
368 473
369=item on_focus_out $term 474=item on_focus_out $term
370 475
371Called wheneever the window loses keyboard focus, before rxvt-unicode does 476Called wheneever the window loses keyboard focus, before rxvt-unicode does
372focus out processing. 477focus out processing.
478
479=item on_configure_notify $term, $event
480
481=item on_property_notify $term, $event
373 482
374=item on_key_press $term, $event, $keysym, $octets 483=item on_key_press $term, $event, $keysym, $octets
375 484
376=item on_key_release $term, $event, $keysym 485=item on_key_release $term, $event, $keysym
377 486
394 503
395C<on_key_press> additionally receives the string rxvt-unicode would 504C<on_key_press> additionally receives the string rxvt-unicode would
396output, if any, in locale-specific encoding. 505output, if any, in locale-specific encoding.
397 506
398subwindow. 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).
399 517
400=back 518=back
401 519
402=cut 520=cut
403 521
409use Scalar::Util (); 527use Scalar::Util ();
410use List::Util (); 528use List::Util ();
411 529
412our $VERSION = 1; 530our $VERSION = 1;
413our $TERM; 531our $TERM;
532our @TERM_INIT;
533our @TERM_EXT;
414our @HOOKNAME; 534our @HOOKNAME;
415our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME; 535our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
416our %OPTION; 536our %OPTION;
417 537
418our $LIBDIR; 538our $LIBDIR;
440=item $urxvt::TERM 560=item $urxvt::TERM
441 561
442The current terminal. This variable stores the current C<urxvt::term> 562The current terminal. This variable stores the current C<urxvt::term>
443object, whenever a callback/hook is executing. 563object, whenever a callback/hook is executing.
444 564
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>.
580
445=back 581=back
446 582
447=head2 Functions in the C<urxvt> Package 583=head2 Functions in the C<urxvt> Package
448 584
449=over 4 585=over 4
463Using this function has the advantage that its output ends up in the 599Using this function has the advantage that its output ends up in the
464correct place, e.g. on stderr of the connecting urxvtc client. 600correct place, e.g. on stderr of the connecting urxvtc client.
465 601
466Messages have a size limit of 1023 bytes currently. 602Messages have a size limit of 1023 bytes currently.
467 603
468=item $is_safe = urxvt::safe
469
470Returns true when it is safe to do potentially unsafe things, such as
471evaluating perl code specified by the user. This is true when urxvt was
472started setuid or setgid.
473
474=item $time = urxvt::NOW 604=item $time = urxvt::NOW
475 605
476Returns the "current time" (as per the event loop). 606Returns the "current time" (as per the event loop).
477 607
478=item urxvt::CurrentTime 608=item urxvt::CurrentTime
479 609
480=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask, 610=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
481Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask, 611Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
482Button4Mask, Button5Mask, AnyModifier 612Button4Mask, Button5Mask, AnyModifier
613
614=item urxvt::NoEventMask, KeyPressMask, KeyReleaseMask,
615ButtonPressMask, ButtonReleaseMask, EnterWindowMask, LeaveWindowMask,
616PointerMotionMask, PointerMotionHintMask, Button1MotionMask, Button2MotionMask,
617Button3MotionMask, Button4MotionMask, Button5MotionMask, ButtonMotionMask,
618KeymapStateMask, ExposureMask, VisibilityChangeMask, StructureNotifyMask,
619ResizeRedirectMask, SubstructureNotifyMask, SubstructureRedirectMask,
620FocusChangeMask, PropertyChangeMask, ColormapChangeMask, OwnerGrabButtonMask
621
622=item urxvt::KeyPress, KeyRelease, ButtonPress, ButtonRelease, MotionNotify,
623EnterNotify, LeaveNotify, FocusIn, FocusOut, KeymapNotify, Expose,
624GraphicsExpose, NoExpose, VisibilityNotify, CreateNotify, DestroyNotify,
625UnmapNotify, MapNotify, MapRequest, ReparentNotify, ConfigureNotify,
626ConfigureRequest, GravityNotify, ResizeRequest, CirculateNotify,
627CirculateRequest, PropertyNotify, SelectionClear, SelectionRequest,
628SelectionNotify, ColormapNotify, ClientMessage, MappingNotify
483 629
484Various constants for use in X calls and event processing. 630Various constants for use in X calls and event processing.
485 631
486=back 632=back
487 633
538=back 684=back
539 685
540=cut 686=cut
541 687
542BEGIN { 688BEGIN {
543 urxvt->bootstrap;
544
545 # overwrite perl's warn 689 # overwrite perl's warn
546 *CORE::GLOBAL::warn = sub { 690 *CORE::GLOBAL::warn = sub {
547 my $msg = join "", @_; 691 my $msg = join "", @_;
548 $msg .= "\n" 692 $msg .= "\n"
549 unless $msg =~ /\n$/; 693 unless $msg =~ /\n$/;
550 urxvt::warn ($msg); 694 urxvt::warn ($msg);
551 }; 695 };
552
553 # %ENV is the original startup environment
554 delete $ENV{IFS};
555 delete $ENV{CDPATH};
556 delete $ENV{BASH_ENV};
557 $ENV{PATH} = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin:/opt/sbin";
558} 696}
559 697
560my @hook_count;
561my $verbosity = $ENV{URXVT_PERL_VERBOSITY}; 698my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
562 699
563sub verbose { 700sub verbose {
564 my ($level, $msg) = @_; 701 my ($level, $msg) = @_;
565 warn "$msg\n" if $level <= $verbosity; 702 warn "$msg\n" if $level <= $verbosity;
566} 703}
567 704
568my $extension_pkg = "extension0000";
569my %extension_pkg; 705my %extension_pkg;
570 706
571# load a single script into its own package, once only 707# load a single script into its own package, once only
572sub extension_package($) { 708sub extension_package($) {
573 my ($path) = @_; 709 my ($path) = @_;
574 710
575 $extension_pkg{$path} ||= do { 711 $extension_pkg{$path} ||= do {
576 my $pkg = "urxvt::" . ($extension_pkg++); 712 $path =~ /([^\/\\]+)$/;
713 my $pkg = $1;
714 $pkg =~ s/[^[:word:]]/_/g;
715 $pkg = "urxvt::ext::$pkg";
577 716
578 verbose 3, "loading extension '$path' into package '$pkg'"; 717 verbose 3, "loading extension '$path' into package '$pkg'";
579 718
580 open my $fh, "<:raw", $path 719 open my $fh, "<:raw", $path
581 or die "$path: $!"; 720 or die "$path: $!";
582 721
583 my $source = untaint 722 my $source =
584 "package $pkg; use strict; use utf8;\n" 723 "package $pkg; use strict; use utf8;\n"
585 . "use base urxvt::term::extension::;\n"
586 . "#line 1 \"$path\"\n{\n" 724 . "#line 1 \"$path\"\n{\n"
587 . (do { local $/; <$fh> }) 725 . (do { local $/; <$fh> })
588 . "\n};\n1"; 726 . "\n};\n1";
589 727
590 eval $source 728 eval $source
604 if ($htype == 0) { # INIT 742 if ($htype == 0) { # INIT
605 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); 743 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
606 744
607 my %ext_arg; 745 my %ext_arg;
608 746
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
609 for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) { 756 for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
610 if ($_ eq "default") { 757 if ($_ eq "default") {
611 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback); 758 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback);
612 } elsif (/^-(.*)$/) { 759 } elsif (/^-(.*)$/) {
613 delete $ext_arg{$1}; 760 delete $ext_arg{$1};
614 } elsif (/^([^<]+)<(.*)>$/) { 761 } elsif (/^([^<]+)<(.*)>$/) {
639 if $verbosity >= 10; 786 if $verbosity >= 10;
640 787
641 keys %$cb; 788 keys %$cb;
642 789
643 while (my ($pkg, $cb) = each %$cb) { 790 while (my ($pkg, $cb) = each %$cb) {
644 $retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) } 791 my $retval_ = eval { $cb->($TERM->{_pkg}{$pkg}, @_) };
645 and last; 792 $retval ||= $retval_;
646 793
647 if ($@) { 794 if ($@) {
648 $TERM->ungrab; # better to lose the grab than the session 795 $TERM->ungrab; # better to lose the grab than the session
649 warn $@; 796 warn $@;
650 } 797 }
653 verbose 11, "$HOOKNAME[$htype] returning <$retval>" 800 verbose 11, "$HOOKNAME[$htype] returning <$retval>"
654 if $verbosity >= 11; 801 if $verbosity >= 11;
655 } 802 }
656 803
657 if ($htype == 1) { # DESTROY 804 if ($htype == 1) { # DESTROY
658 if (my $hook = delete $TERM->{_hook}) {
659 for my $htype (0..$#$hook) {
660 $hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
661 or set_should_invoke $htype, 0;
662 }
663 }
664
665 # clear package objects 805 # clear package objects
666 %$_ = () for values %{ $TERM->{_pkg} }; 806 %$_ = () for values %{ $TERM->{_pkg} };
667 807
668 # clear package 808 # clear package
669 %$TERM = (); 809 %$TERM = ();
670 } 810 }
671 811
672 $retval 812 $retval
673}
674
675sub exec_async(@) {
676 my $pid = fork;
677
678 return
679 if !defined $pid or $pid;
680
681 %ENV = %{ $TERM->env };
682
683 exec @_;
684 _exit 255;
685} 813}
686 814
687# urxvt::term::extension 815# urxvt::term::extension
688 816
689package urxvt::term::extension; 817package urxvt::term::extension;
695 while (my ($name, $cb) = each %hook) { 823 while (my ($name, $cb) = each %hook) {
696 my $htype = $HOOKTYPE{uc $name}; 824 my $htype = $HOOKTYPE{uc $name};
697 defined $htype 825 defined $htype
698 or Carp::croak "unsupported hook type '$name'"; 826 or Carp::croak "unsupported hook type '$name'";
699 827
828 $self->set_should_invoke ($htype, +1)
700 unless (exists $self->{term}{_hook}[$htype]{$pkg}) { 829 unless exists $self->{term}{_hook}[$htype]{$pkg};
701 $hook_count[$htype]++
702 or urxvt::set_should_invoke $htype, 1;
703 }
704 830
705 $self->{term}{_hook}[$htype]{$pkg} = $cb; 831 $self->{term}{_hook}[$htype]{$pkg} = $cb;
706 } 832 }
707} 833}
708 834
713 for my $name (@hook) { 839 for my $name (@hook) {
714 my $htype = $HOOKTYPE{uc $name}; 840 my $htype = $HOOKTYPE{uc $name};
715 defined $htype 841 defined $htype
716 or Carp::croak "unsupported hook type '$name'"; 842 or Carp::croak "unsupported hook type '$name'";
717 843
844 $self->set_should_invoke ($htype, -1)
718 if (delete $self->{term}{_hook}[$htype]{$pkg}) { 845 if delete $self->{term}{_hook}[$htype]{$pkg};
719 --$hook_count[$htype]
720 or urxvt::set_should_invoke $htype, 0;
721 }
722 } 846 }
723} 847}
724 848
725our $AUTOLOAD; 849our $AUTOLOAD;
726 850
832# find on_xxx subs in the package and register them 956# find on_xxx subs in the package and register them
833# as hooks 957# as hooks
834sub register_package { 958sub register_package {
835 my ($self, $pkg, $argv) = @_; 959 my ($self, $pkg, $argv) = @_;
836 960
961 no strict 'refs';
962
963 urxvt::verbose 6, "register package $pkg to $self";
964
965 @{"$pkg\::ISA"} = urxvt::term::extension::;
966
837 my $proxy = bless { 967 my $proxy = bless {
838 _pkg => $pkg, 968 _pkg => $pkg,
839 argv => $argv, 969 argv => $argv,
840 }, $pkg; 970 }, $pkg;
841 Scalar::Util::weaken ($proxy->{term} = $self); 971 Scalar::Util::weaken ($proxy->{term} = $self);
872 1002
873Destroy the terminal object (close the window, free resources 1003Destroy the terminal object (close the window, free resources
874etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event 1004etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event
875watchers (timers, io watchers) are still active. 1005watchers (timers, io watchers) are still active.
876 1006
1007=item $term->exec_async ($cmd[, @args])
1008
1009Works like the combination of the C<fork>/C<exec> builtins, which executes
1010("starts") programs in the background. This function takes care of setting
1011the user environment before exec'ing the command (e.g. C<PATH>) and should
1012be preferred over explicit calls to C<exec> or C<system>.
1013
1014Returns the pid of the subprocess or C<undef> on error.
1015
1016=cut
1017
1018sub exec_async {
1019 my $self = shift;
1020
1021 my $pid = fork;
1022
1023 return $pid
1024 if !defined $pid or $pid;
1025
1026 %ENV = %{ $self->env };
1027
1028 exec @_;
1029 urxvt::_exit 255;
1030}
1031
877=item $isset = $term->option ($optval[, $set]) 1032=item $isset = $term->option ($optval[, $set])
878 1033
879Returns true if the option specified by C<$optval> is enabled, and 1034Returns true if the option specified by C<$optval> is enabled, and
880optionally change it. All option values are stored by name in the hash 1035optionally change it. All option values are stored by name in the hash
881C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash. 1036C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
883Here is a a likely non-exhaustive list of option names, please see the 1038Here is a a likely non-exhaustive list of option names, please see the
884source file F</src/optinc.h> to see the actual list: 1039source file F</src/optinc.h> to see the actual list:
885 1040
886 borderLess console cursorBlink cursorUnderline hold iconic insecure 1041 borderLess console cursorBlink cursorUnderline hold iconic insecure
887 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage 1042 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage
888 pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating 1043 override-redirect pastableTabs pointerBlank reverseVideo scrollBar
889 scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer 1044 scrollBar_floating scrollBar_right scrollTtyKeypress scrollTtyOutput
890 secondaryScreen secondaryScroll skipBuiltinGlyphs transparent 1045 scrollWithBuffer secondaryScreen secondaryScroll skipBuiltinGlyphs
891 tripleclickwords utmpInhibit visualBell 1046 transparent tripleclickwords utmpInhibit visualBell
892 1047
893=item $value = $term->resource ($name[, $newval]) 1048=item $value = $term->resource ($name[, $newval])
894 1049
895Returns the current resource value associated with a given name and 1050Returns the current resource value associated with a given name and
896optionally sets a new value. Setting values is most useful in the C<init> 1051optionally sets a new value. Setting values is most useful in the C<init>
913 1068
914 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont 1069 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
915 borderLess color cursorBlink cursorUnderline cutchars delete_key 1070 borderLess color cursorBlink cursorUnderline cutchars delete_key
916 display_name embed ext_bwidth fade font geometry hold iconName 1071 display_name embed ext_bwidth fade font geometry hold iconName
917 imFont imLocale inputMethod insecure int_bwidth intensityStyles 1072 imFont imLocale inputMethod insecure int_bwidth intensityStyles
918 italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier 1073 italicFont jumpScroll lineSpace loginShell mapAlert meta8 modifier
919 mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2 1074 mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
920 perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd 1075 perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
921 reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating 1076 preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
922 scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput 1077 scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
923 scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle 1078 scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
924 shade term_name title transparent transparent_all tripleclickwords 1079 secondaryScreen secondaryScroll selectstyle shade term_name title
925 utmpInhibit visualBell 1080 transient_for transparent transparent_all tripleclickwords utmpInhibit
1081 visualBell
926 1082
927=cut 1083=cut
928 1084
929sub resource($$;$) { 1085sub resource($$;$) {
930 my ($self, $name) = (shift, shift); 1086 my ($self, $name) = (shift, shift);
1131 1287
1132=item $windowid = $term->vt 1288=item $windowid = $term->vt
1133 1289
1134Return the window id of the terminal window. 1290Return the window id of the terminal window.
1135 1291
1292=item $term->vt_emask_add ($x_event_mask)
1293
1294Adds the specified events to the vt event mask. Useful e.g. when you want
1295to receive pointer events all the times:
1296
1297 $term->vt_emask_add (urxvt::PointerMotionMask);
1298
1136=item $window_width = $term->width 1299=item $window_width = $term->width
1137 1300
1138=item $window_height = $term->height 1301=item $window_height = $term->height
1139 1302
1140=item $font_width = $term->fwidth 1303=item $font_width = $term->fwidth
1153 1316
1154=item $max_scrollback = $term->saveLines 1317=item $max_scrollback = $term->saveLines
1155 1318
1156=item $nrow_plus_saveLines = $term->total_rows 1319=item $nrow_plus_saveLines = $term->total_rows
1157 1320
1158=item $lines_in_scrollback = $term->nsaved 1321=item $topmost_scrollback_row = $term->top_row
1159 1322
1160Return various integers describing terminal characteristics. 1323Return various integers describing terminal characteristics.
1161 1324
1162=item $x_display = $term->display_id 1325=item $x_display = $term->display_id
1163 1326
1191Return the modifier masks corresponding to the "ISO Level 3 Shift" (often 1354Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
1192AltGr), the meta key (often Alt) and the num lock key, if applicable. 1355AltGr), the meta key (often Alt) and the num lock key, if applicable.
1193 1356
1194=item $view_start = $term->view_start ([$newvalue]) 1357=item $view_start = $term->view_start ([$newvalue])
1195 1358
1196Returns the negative row number of the topmost line. Minimum value is 1359Returns the row number of the topmost displayed line. Maximum value is
1197C<0>, which displays the normal terminal contents. Larger values scroll 1360C<0>, which displays the normal terminal contents. Lower values scroll
1198this many lines into the scrollback buffer. 1361this many lines into the scrollback buffer.
1199 1362
1200=item $term->want_refresh 1363=item $term->want_refresh
1201 1364
1202Requests a screen refresh. At the next opportunity, rxvt-unicode will 1365Requests a screen refresh. At the next opportunity, rxvt-unicode will
1515 my $env = $self->{term}->env; 1678 my $env = $self->{term}->env;
1516 # we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE. 1679 # we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
1517 delete $env->{LC_ALL}; 1680 delete $env->{LC_ALL};
1518 $env->{LC_CTYPE} = $self->{term}->locale; 1681 $env->{LC_CTYPE} = $self->{term}->locale;
1519 1682
1520 urxvt::term->new ($env, $self->{term}->resource ("name"), 1683 urxvt::term->new ($env, "popup",
1521 "--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0, 1684 "--perl-lib" => "", "--perl-ext-common" => "",
1685 "-pty-fd" => -1, "-sl" => 0,
1686 "-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1522 "--transient-for" => $self->{term}->parent, 1687 "--transient-for" => $self->{term}->parent,
1523 "-display" => $self->{term}->display_id, 1688 "-display" => $self->{term}->display_id,
1524 "-pe" => "urxvt-popup") 1689 "-pe" => "urxvt-popup")
1525 or die "unable to create popup window\n"; 1690 or die "unable to create popup window\n";
1526} 1691}
1531 delete $self->{term}{_destroy}{$self}; 1696 delete $self->{term}{_destroy}{$self};
1532 $self->{term}->ungrab; 1697 $self->{term}->ungrab;
1533} 1698}
1534 1699
1535=back 1700=back
1701
1702=cut
1703
1704package urxvt::watcher;
1705
1706@urxvt::timer::ISA = __PACKAGE__;
1707@urxvt::iow::ISA = __PACKAGE__;
1708@urxvt::pw::ISA = __PACKAGE__;
1709@urxvt::iw::ISA = __PACKAGE__;
1536 1710
1537=head2 The C<urxvt::timer> Class 1711=head2 The C<urxvt::timer> Class
1538 1712
1539This class implements timer watchers/events. Time is represented as a 1713This class implements timer watchers/events. Time is represented as a
1540fractional number of seconds since the epoch. Example: 1714fractional number of seconds since the epoch. Example:
1578Start the timer. 1752Start the timer.
1579 1753
1580=item $timer = $timer->start ($tstamp) 1754=item $timer = $timer->start ($tstamp)
1581 1755
1582Set the event trigger time to C<$tstamp> and start the timer. 1756Set the event trigger time to C<$tstamp> and start the timer.
1757
1758=item $timer = $timer->after ($delay)
1759
1760Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1583 1761
1584=item $timer = $timer->stop 1762=item $timer = $timer->stop
1585 1763
1586Stop the timer. 1764Stop the timer.
1587 1765
1634 1812
1635Stop watching for events on the given filehandle. 1813Stop watching for events on the given filehandle.
1636 1814
1637=back 1815=back
1638 1816
1817=head2 The C<urxvt::iw> Class
1818
1819This class implements idle watchers, that get called automatically when
1820the process is idle. They should return as fast as possible, after doing
1821some useful work.
1822
1823=over 4
1824
1825=item $iw = new urxvt::iw
1826
1827Create a new idle watcher object in stopped state.
1828
1829=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
1830
1831Set the callback to be called when the watcher triggers.
1832
1833=item $timer = $timer->start
1834
1835Start the watcher.
1836
1837=item $timer = $timer->stop
1838
1839Stop the watcher.
1840
1841=back
1842
1843=head2 The C<urxvt::pw> Class
1844
1845This class implements process watchers. They create an event whenever a
1846process exits, after which they stop automatically.
1847
1848 my $pid = fork;
1849 ...
1850 $term->{pw} = urxvt::pw
1851 ->new
1852 ->start ($pid)
1853 ->cb (sub {
1854 my ($pw, $exit_status) = @_;
1855 ...
1856 });
1857
1858=over 4
1859
1860=item $pw = new urxvt::pw
1861
1862Create a new process watcher in stopped state.
1863
1864=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
1865
1866Set the callback to be called when the timer triggers.
1867
1868=item $pw = $timer->start ($pid)
1869
1870Tells the wqtcher to start watching for process C<$pid>.
1871
1872=item $pw = $pw->stop
1873
1874Stop the watcher.
1875
1876=back
1877
1639=head1 ENVIRONMENT 1878=head1 ENVIRONMENT
1640 1879
1641=head2 URXVT_PERL_VERBOSITY 1880=head2 URXVT_PERL_VERBOSITY
1642 1881
1643This variable controls the verbosity level of the perl extension. Higher 1882This variable controls the verbosity level of the perl extension. Higher

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