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Revision 1.87 by root, Thu Jan 12 05:37:34 2006 UTC vs.
Revision 1.117 by ayin, Fri Jan 20 18:02:43 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
48C<--quoting-style=shell>. 52C<--quoting-style=shell>.
49 53
50A double-click usually selects the word under the cursor, further clicks 54A double-click usually selects the word under the cursor, further clicks
51will enlarge the selection. 55will enlarge the selection.
52 56
57The selection works by trying to match a number of regexes and displaying
58them in increasing order of length. You can add your own regexes by
59specifying resources of the form:
60
61 URxvt.selection.pattern-0: perl-regex
62 URxvt.selection.pattern-1: perl-regex
63 ...
64
65The index number (0, 1...) must not have any holes, and each regex must
66contain at least one pair of capturing parentheses, which will be used for
67the match. For example, the followign adds a regex that matches everything
68between two vertical bars:
69
70 URxvt.selection.pattern-0: \\|([^|]+)\\|
71
72You can look at the source of the selection extension to see more
73interesting uses, such as parsing a line from beginning to end.
74
53It also offers the following bindable keyboard command: 75This extension also offers following bindable keyboard commands:
54 76
55=over 4 77=over 4
56 78
57=item rot13 79=item rot13
58 80
69 91
70=item selection-popup (enabled by default) 92=item selection-popup (enabled by default)
71 93
72Binds 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
73text into various other formats/action (such as uri unescaping, perl 95text into various other formats/action (such as uri unescaping, perl
74evalution, 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 @{ $self->{term}{selection_popup_hook} }, sub {
113 /a/ ? ("a to be" => sub { s/a/b/g }
114 : ()
115 };
75 116
76=item searchable-scrollback<hotkey> (enabled by default) 117=item searchable-scrollback<hotkey> (enabled by default)
77 118
78Adds regex search functionality to the scrollback buffer, triggered 119Adds regex search functionality to the scrollback buffer, triggered
79by a hotkey (default: C<M-s>). While in search mode, normal terminal 120by a hotkey (default: C<M-s>). While in search mode, normal terminal
86bottom. C<Escape> leaves search mode and returns to the point where search 127bottom. C<Escape> leaves search mode and returns to the point where search
87was started, while C<Enter> or C<Return> stay at the current position and 128was started, while C<Enter> or C<Return> stay at the current position and
88additionally stores the first match in the current line into the primary 129additionally stores the first match in the current line into the primary
89selection. 130selection.
90 131
91=item digital-clock 132=item selection-autotransform
92 133
93Displays a digital clock using the built-in overlay. 134This selection allows you to do automatic transforms on a selection
135whenever a selection is made.
136
137It works by specifying perl snippets (most useful is a single C<s///>
138operator) that modify C<$_> as resources:
139
140 URxvt.selection-autotransform.0: transform
141 URxvt.selection-autotransform.1: transform
142 ...
143
144For example, the following will transform selections of the form
145C<filename:number>, often seen in compiler messages, into C<vi +$filename
146$word>:
147
148 URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/
149
150And this example matches the same,but replaces it with vi-commands you can
151paste directly into your (vi :) editor:
152
153 URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/: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.
94 177
95=item mark-urls 178=item mark-urls
96 179
97Uses 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
98make them clickable. When middle-clicked, the program specified in the 181make them clickable. When middle-clicked, the program specified in the
99resource C<urlLauncher> (default C<x-www-browser>) will be started with 182resource C<urlLauncher> (default C<x-www-browser>) will be started with
100the URL as first argument. 183the URL as first argument.
101 184
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
102=item block-graphics-to-ascii 193=item block-graphics-to-ascii
103 194
104A 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,
105by replacing all line-drawing characters (U+2500 .. U+259F) by a 196by replacing all line-drawing characters (U+2500 .. U+259F) by a
106similar-looking ascii character. 197similar-looking ascii character.
107 198
199=item digital-clock
200
201Displays a digital clock using the built-in overlay.
202
108=item example-refresh-hooks 203=item example-refresh-hooks
109 204
110Displays 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
111window. Illustrates overwriting the refresh callbacks to create your own 206window. Illustrates overwriting the refresh callbacks to create your own
112overlays 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/%
113 237
114=back 238=back
115 239
116=head1 API DOCUMENTATION 240=head1 API DOCUMENTATION
117 241
190called whenever the relevant event happens. 314called whenever the relevant event happens.
191 315
192The 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
193the in the C<Extension Objects> section. 317the in the C<Extension Objects> section.
194 318
195B<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
196event 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
197skipped, and the relevant action might not be carried out by the C++ code. 321relevant action might not be carried out by the C++ code.
198 322
199I<< When in doubt, return a false value (preferably C<()>). >> 323I<< When in doubt, return a false value (preferably C<()>). >>
200 324
201=over 4 325=over 4
202 326
203=item on_init $term 327=item on_init $term
204 328
205Called after a new terminal object has been initialized, but before 329Called after a new terminal object has been initialized, but before
206windows 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
207call or deliver senseless data, as terminal size and other characteristics 331call or deliver senseless data, as terminal size and other characteristics
208have not yet been determined. You can safely query and change resources, 332have not yet been determined. You can safely query and change resources
209though. 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.
210 346
211=item on_reset $term 347=item on_reset $term
212 348
213Called 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
214control 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
215variables. 351variables.
216 352
217=item on_start $term 353=item on_child_start $term, $pid
218 354
219Called at the very end of initialisation of a new terminal, just before 355Called just after the child process has been C<fork>ed.
220returning 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>.
221 361
222=item on_sel_make $term, $eventtime 362=item on_sel_make $term, $eventtime
223 363
224Called 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
225selection 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
318 458
319Called whenever the user presses a key combination that has a 459Called whenever the user presses a key combination that has a
320C<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>
321resource in the @@RXVT_NAME@@(1) manpage). 461resource in the @@RXVT_NAME@@(1) manpage).
322 462
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
323=item on_focus_in $term 469=item on_focus_in $term
324 470
325Called whenever the window gets the keyboard focus, before rxvt-unicode 471Called whenever the window gets the keyboard focus, before rxvt-unicode
326does focus in processing. 472does focus in processing.
327 473
328=item on_focus_out $term 474=item on_focus_out $term
329 475
330Called wheneever the window loses keyboard focus, before rxvt-unicode does 476Called wheneever the window loses keyboard focus, before rxvt-unicode does
331focus out processing. 477focus out processing.
478
479=item on_configure_notify $term, $event
332 480
333=item on_key_press $term, $event, $keysym, $octets 481=item on_key_press $term, $event, $keysym, $octets
334 482
335=item on_key_release $term, $event, $keysym 483=item on_key_release $term, $event, $keysym
336 484
353 501
354C<on_key_press> additionally receives the string rxvt-unicode would 502C<on_key_press> additionally receives the string rxvt-unicode would
355output, if any, in locale-specific encoding. 503output, if any, in locale-specific encoding.
356 504
357subwindow. 505subwindow.
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).
358 515
359=back 516=back
360 517
361=cut 518=cut
362 519
368use Scalar::Util (); 525use Scalar::Util ();
369use List::Util (); 526use List::Util ();
370 527
371our $VERSION = 1; 528our $VERSION = 1;
372our $TERM; 529our $TERM;
530our @TERM_INIT;
531our @TERM_EXT;
373our @HOOKNAME; 532our @HOOKNAME;
374our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME; 533our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
375our %OPTION; 534our %OPTION;
376 535
377our $LIBDIR; 536our $LIBDIR;
399=item $urxvt::TERM 558=item $urxvt::TERM
400 559
401The current terminal. This variable stores the current C<urxvt::term> 560The current terminal. This variable stores the current C<urxvt::term>
402object, whenever a callback/hook is executing. 561object, whenever a callback/hook is executing.
403 562
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>.
578
404=back 579=back
405 580
406=head2 Functions in the C<urxvt> Package 581=head2 Functions in the C<urxvt> Package
407 582
408=over 4 583=over 4
422Using this function has the advantage that its output ends up in the 597Using this function has the advantage that its output ends up in the
423correct place, e.g. on stderr of the connecting urxvtc client. 598correct place, e.g. on stderr of the connecting urxvtc client.
424 599
425Messages have a size limit of 1023 bytes currently. 600Messages have a size limit of 1023 bytes currently.
426 601
427=item $is_safe = urxvt::safe
428
429Returns true when it is safe to do potentially unsafe things, such as
430evaluating perl code specified by the user. This is true when urxvt was
431started setuid or setgid.
432
433=item $time = urxvt::NOW 602=item $time = urxvt::NOW
434 603
435Returns the "current time" (as per the event loop). 604Returns the "current time" (as per the event loop).
436 605
437=item urxvt::CurrentTime 606=item urxvt::CurrentTime
438 607
439=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask, 608=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
440Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask, 609Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
441Button4Mask, Button5Mask, AnyModifier 610Button4Mask, Button5Mask, AnyModifier
611
612=item urxvt::NoEventMask, KeyPressMask, KeyReleaseMask,
613ButtonPressMask, ButtonReleaseMask, EnterWindowMask, LeaveWindowMask,
614PointerMotionMask, PointerMotionHintMask, Button1MotionMask, Button2MotionMask,
615Button3MotionMask, Button4MotionMask, Button5MotionMask, ButtonMotionMask,
616KeymapStateMask, ExposureMask, VisibilityChangeMask, StructureNotifyMask,
617ResizeRedirectMask, SubstructureNotifyMask, SubstructureRedirectMask,
618FocusChangeMask, PropertyChangeMask, ColormapChangeMask, OwnerGrabButtonMask
619
620=item urxvt::KeyPress, KeyRelease, ButtonPress, ButtonRelease, MotionNotify,
621EnterNotify, LeaveNotify, FocusIn, FocusOut, KeymapNotify, Expose,
622GraphicsExpose, NoExpose, VisibilityNotify, CreateNotify, DestroyNotify,
623UnmapNotify, MapNotify, MapRequest, ReparentNotify, ConfigureNotify,
624ConfigureRequest, GravityNotify, ResizeRequest, CirculateNotify,
625CirculateRequest, PropertyNotify, SelectionClear, SelectionRequest,
626SelectionNotify, ColormapNotify, ClientMessage, MappingNotify
442 627
443Various constants for use in X calls and event processing. 628Various constants for use in X calls and event processing.
444 629
445=back 630=back
446 631
497=back 682=back
498 683
499=cut 684=cut
500 685
501BEGIN { 686BEGIN {
502 urxvt->bootstrap;
503
504 # overwrite perl's warn 687 # overwrite perl's warn
505 *CORE::GLOBAL::warn = sub { 688 *CORE::GLOBAL::warn = sub {
506 my $msg = join "", @_; 689 my $msg = join "", @_;
507 $msg .= "\n" 690 $msg .= "\n"
508 unless $msg =~ /\n$/; 691 unless $msg =~ /\n$/;
509 urxvt::warn ($msg); 692 urxvt::warn ($msg);
510 }; 693 };
511
512 # %ENV is the original startup environment
513 delete $ENV{IFS};
514 delete $ENV{CDPATH};
515 delete $ENV{BASH_ENV};
516 $ENV{PATH} = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin:/opt/sbin";
517} 694}
518 695
519my @hook_count;
520my $verbosity = $ENV{URXVT_PERL_VERBOSITY}; 696my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
521 697
522sub verbose { 698sub verbose {
523 my ($level, $msg) = @_; 699 my ($level, $msg) = @_;
524 warn "$msg\n" if $level <= $verbosity; 700 warn "$msg\n" if $level <= $verbosity;
525} 701}
526 702
527my $extension_pkg = "extension0000";
528my %extension_pkg; 703my %extension_pkg;
529 704
530# load a single script into its own package, once only 705# load a single script into its own package, once only
531sub extension_package($) { 706sub extension_package($) {
532 my ($path) = @_; 707 my ($path) = @_;
533 708
534 $extension_pkg{$path} ||= do { 709 $extension_pkg{$path} ||= do {
535 my $pkg = "urxvt::" . ($extension_pkg++); 710 $path =~ /([^\/\\]+)$/;
711 my $pkg = $1;
712 $pkg =~ s/[^[:word:]]/_/g;
713 $pkg = "urxvt::ext::$pkg";
536 714
537 verbose 3, "loading extension '$path' into package '$pkg'"; 715 verbose 3, "loading extension '$path' into package '$pkg'";
538 716
539 open my $fh, "<:raw", $path 717 open my $fh, "<:raw", $path
540 or die "$path: $!"; 718 or die "$path: $!";
541 719
542 my $source = untaint 720 my $source =
543 "package $pkg; use strict; use utf8;\n" 721 "package $pkg; use strict; use utf8;\n"
544 . "use base urxvt::term::extension::;\n"
545 . "#line 1 \"$path\"\n{\n" 722 . "#line 1 \"$path\"\n{\n"
546 . (do { local $/; <$fh> }) 723 . (do { local $/; <$fh> })
547 . "\n};\n1"; 724 . "\n};\n1";
548 725
549 eval $source 726 eval $source
563 if ($htype == 0) { # INIT 740 if ($htype == 0) { # INIT
564 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); 741 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
565 742
566 my %ext_arg; 743 my %ext_arg;
567 744
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
568 for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) { 754 for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
569 if ($_ eq "default") { 755 if ($_ eq "default") {
570 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback); 756 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback);
571 } elsif (/^-(.*)$/) { 757 } elsif (/^-(.*)$/) {
572 delete $ext_arg{$1}; 758 delete $ext_arg{$1};
573 } elsif (/^([^<]+)<(.*)>$/) { 759 } elsif (/^([^<]+)<(.*)>$/) {
598 if $verbosity >= 10; 784 if $verbosity >= 10;
599 785
600 keys %$cb; 786 keys %$cb;
601 787
602 while (my ($pkg, $cb) = each %$cb) { 788 while (my ($pkg, $cb) = each %$cb) {
603 $retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) } 789 my $retval_ = eval { $cb->($TERM->{_pkg}{$pkg}, @_) };
604 and last; 790 $retval ||= $retval_;
605 791
606 if ($@) { 792 if ($@) {
607 $TERM->ungrab; # better to lose the grab than the session 793 $TERM->ungrab; # better to lose the grab than the session
608 warn $@; 794 warn $@;
609 } 795 }
612 verbose 11, "$HOOKNAME[$htype] returning <$retval>" 798 verbose 11, "$HOOKNAME[$htype] returning <$retval>"
613 if $verbosity >= 11; 799 if $verbosity >= 11;
614 } 800 }
615 801
616 if ($htype == 1) { # DESTROY 802 if ($htype == 1) { # DESTROY
617 if (my $hook = delete $TERM->{_hook}) {
618 for my $htype (0..$#$hook) {
619 $hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
620 or set_should_invoke $htype, 0;
621 }
622 }
623
624 # clear package objects 803 # clear package objects
625 %$_ = () for values %{ $TERM->{_pkg} }; 804 %$_ = () for values %{ $TERM->{_pkg} };
626 805
627 # clear package 806 # clear package
628 %$TERM = (); 807 %$TERM = ();
629 } 808 }
630 809
631 $retval 810 $retval
632}
633
634sub exec_async(@) {
635 my $pid = fork;
636
637 return
638 if !defined $pid or $pid;
639
640 %ENV = %{ $TERM->env };
641
642 exec @_;
643 _exit 255;
644} 811}
645 812
646# urxvt::term::extension 813# urxvt::term::extension
647 814
648package urxvt::term::extension; 815package urxvt::term::extension;
654 while (my ($name, $cb) = each %hook) { 821 while (my ($name, $cb) = each %hook) {
655 my $htype = $HOOKTYPE{uc $name}; 822 my $htype = $HOOKTYPE{uc $name};
656 defined $htype 823 defined $htype
657 or Carp::croak "unsupported hook type '$name'"; 824 or Carp::croak "unsupported hook type '$name'";
658 825
826 $self->set_should_invoke ($htype, +1)
659 unless (exists $self->{term}{_hook}[$htype]{$pkg}) { 827 unless exists $self->{term}{_hook}[$htype]{$pkg};
660 $hook_count[$htype]++
661 or urxvt::set_should_invoke $htype, 1;
662 }
663 828
664 $self->{term}{_hook}[$htype]{$pkg} = $cb; 829 $self->{term}{_hook}[$htype]{$pkg} = $cb;
665 } 830 }
666} 831}
667 832
672 for my $name (@hook) { 837 for my $name (@hook) {
673 my $htype = $HOOKTYPE{uc $name}; 838 my $htype = $HOOKTYPE{uc $name};
674 defined $htype 839 defined $htype
675 or Carp::croak "unsupported hook type '$name'"; 840 or Carp::croak "unsupported hook type '$name'";
676 841
842 $self->set_should_invoke ($htype, -1)
677 if (delete $self->{term}{_hook}[$htype]{$pkg}) { 843 if delete $self->{term}{_hook}[$htype]{$pkg};
678 --$hook_count[$htype]
679 or urxvt::set_should_invoke $htype, 0;
680 }
681 } 844 }
682} 845}
683 846
684our $AUTOLOAD; 847our $AUTOLOAD;
685 848
791# find on_xxx subs in the package and register them 954# find on_xxx subs in the package and register them
792# as hooks 955# as hooks
793sub register_package { 956sub register_package {
794 my ($self, $pkg, $argv) = @_; 957 my ($self, $pkg, $argv) = @_;
795 958
959 no strict 'refs';
960
961 urxvt::verbose 6, "register package $pkg to $self";
962
963 @{"$pkg\::ISA"} = urxvt::term::extension::;
964
796 my $proxy = bless { 965 my $proxy = bless {
797 _pkg => $pkg, 966 _pkg => $pkg,
798 argv => $argv, 967 argv => $argv,
799 }, $pkg; 968 }, $pkg;
800 Scalar::Util::weaken ($proxy->{term} = $self); 969 Scalar::Util::weaken ($proxy->{term} = $self);
831 1000
832Destroy the terminal object (close the window, free resources 1001Destroy the terminal object (close the window, free resources
833etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event 1002etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event
834watchers (timers, io watchers) are still active. 1003watchers (timers, io watchers) are still active.
835 1004
1005=item $term->exec_async ($cmd[, @args])
1006
1007Works like the combination of the C<fork>/C<exec> builtins, which executes
1008("starts") programs in the background. This function takes care of setting
1009the user environment before exec'ing the command (e.g. C<PATH>) and should
1010be preferred over explicit calls to C<exec> or C<system>.
1011
1012Returns the pid of the subprocess or C<undef> on error.
1013
1014=cut
1015
1016sub exec_async {
1017 my $self = shift;
1018
1019 my $pid = fork;
1020
1021 return $pid
1022 if !defined $pid or $pid;
1023
1024 %ENV = %{ $self->env };
1025
1026 exec @_;
1027 urxvt::_exit 255;
1028}
1029
836=item $isset = $term->option ($optval[, $set]) 1030=item $isset = $term->option ($optval[, $set])
837 1031
838Returns true if the option specified by C<$optval> is enabled, and 1032Returns true if the option specified by C<$optval> is enabled, and
839optionally change it. All option values are stored by name in the hash 1033optionally change it. All option values are stored by name in the hash
840C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash. 1034C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
842Here is a a likely non-exhaustive list of option names, please see the 1036Here is a a likely non-exhaustive list of option names, please see the
843source file F</src/optinc.h> to see the actual list: 1037source file F</src/optinc.h> to see the actual list:
844 1038
845 borderLess console cursorBlink cursorUnderline hold iconic insecure 1039 borderLess console cursorBlink cursorUnderline hold iconic insecure
846 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage 1040 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage
847 pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating 1041 override-redirect pastableTabs pointerBlank reverseVideo scrollBar
848 scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer 1042 scrollBar_floating scrollBar_right scrollTtyKeypress scrollTtyOutput
849 secondaryScreen secondaryScroll skipBuiltinGlyphs transparent 1043 scrollWithBuffer secondaryScreen secondaryScroll skipBuiltinGlyphs
850 tripleclickwords utmpInhibit visualBell 1044 transparent tripleclickwords utmpInhibit visualBell
851 1045
852=item $value = $term->resource ($name[, $newval]) 1046=item $value = $term->resource ($name[, $newval])
853 1047
854Returns the current resource value associated with a given name and 1048Returns the current resource value associated with a given name and
855optionally sets a new value. Setting values is most useful in the C<init> 1049optionally sets a new value. Setting values is most useful in the C<init>
872 1066
873 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont 1067 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
874 borderLess color cursorBlink cursorUnderline cutchars delete_key 1068 borderLess color cursorBlink cursorUnderline cutchars delete_key
875 display_name embed ext_bwidth fade font geometry hold iconName 1069 display_name embed ext_bwidth fade font geometry hold iconName
876 imFont imLocale inputMethod insecure int_bwidth intensityStyles 1070 imFont imLocale inputMethod insecure int_bwidth intensityStyles
877 italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier 1071 italicFont jumpScroll lineSpace loginShell mapAlert meta8 modifier
878 mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2 1072 mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
879 perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd 1073 perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
880 reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating 1074 preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
881 scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput 1075 scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
882 scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle 1076 scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
883 shade term_name title transparent transparent_all tripleclickwords 1077 secondaryScreen secondaryScroll selectstyle shade term_name title
884 utmpInhibit visualBell 1078 transient_for transparent transparent_all tripleclickwords utmpInhibit
1079 visualBell
885 1080
886=cut 1081=cut
887 1082
888sub resource($$;$) { 1083sub resource($$;$) {
889 my ($self, $name) = (shift, shift); 1084 my ($self, $name) = (shift, shift);
1090 1285
1091=item $windowid = $term->vt 1286=item $windowid = $term->vt
1092 1287
1093Return the window id of the terminal window. 1288Return the window id of the terminal window.
1094 1289
1290=item $term->vt_emask_add ($x_event_mask)
1291
1292Adds the specified events to the vt event mask. Useful e.g. when you want
1293to receive pointer events all the times:
1294
1295 $term->vt_emask_add (urxvt::PointerMotionMask);
1296
1095=item $window_width = $term->width 1297=item $window_width = $term->width
1096 1298
1097=item $window_height = $term->height 1299=item $window_height = $term->height
1098 1300
1099=item $font_width = $term->fwidth 1301=item $font_width = $term->fwidth
1112 1314
1113=item $max_scrollback = $term->saveLines 1315=item $max_scrollback = $term->saveLines
1114 1316
1115=item $nrow_plus_saveLines = $term->total_rows 1317=item $nrow_plus_saveLines = $term->total_rows
1116 1318
1117=item $lines_in_scrollback = $term->nsaved 1319=item $topmost_scrollback_row = $term->top_row
1118 1320
1119Return various integers describing terminal characteristics. 1321Return various integers describing terminal characteristics.
1120 1322
1121=item $x_display = $term->display_id 1323=item $x_display = $term->display_id
1122 1324
1150Return the modifier masks corresponding to the "ISO Level 3 Shift" (often 1352Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
1151AltGr), the meta key (often Alt) and the num lock key, if applicable. 1353AltGr), the meta key (often Alt) and the num lock key, if applicable.
1152 1354
1153=item $view_start = $term->view_start ([$newvalue]) 1355=item $view_start = $term->view_start ([$newvalue])
1154 1356
1155Returns the negative row number of the topmost line. Minimum value is 1357Returns the row number of the topmost displayed line. Maximum value is
1156C<0>, which displays the normal terminal contents. Larger values scroll 1358C<0>, which displays the normal terminal contents. Lower values scroll
1157this many lines into the scrollback buffer. 1359this many lines into the scrollback buffer.
1158 1360
1159=item $term->want_refresh 1361=item $term->want_refresh
1160 1362
1161Requests a screen refresh. At the next opportunity, rxvt-unicode will 1363Requests a screen refresh. At the next opportunity, rxvt-unicode will
1474 my $env = $self->{term}->env; 1676 my $env = $self->{term}->env;
1475 # we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE. 1677 # we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
1476 delete $env->{LC_ALL}; 1678 delete $env->{LC_ALL};
1477 $env->{LC_CTYPE} = $self->{term}->locale; 1679 $env->{LC_CTYPE} = $self->{term}->locale;
1478 1680
1479 urxvt::term->new ($env, $self->{term}->resource ("name"), 1681 urxvt::term->new ($env, "popup",
1480 "--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0, 1682 "--perl-lib" => "", "--perl-ext-common" => "",
1683 "-pty-fd" => -1, "-sl" => 0,
1684 "-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1481 "--transient-for" => $self->{term}->parent, 1685 "--transient-for" => $self->{term}->parent,
1482 "-display" => $self->{term}->display_id, 1686 "-display" => $self->{term}->display_id,
1483 "-pe" => "urxvt-popup") 1687 "-pe" => "urxvt-popup")
1484 or die "unable to create popup window\n"; 1688 or die "unable to create popup window\n";
1485} 1689}
1490 delete $self->{term}{_destroy}{$self}; 1694 delete $self->{term}{_destroy}{$self};
1491 $self->{term}->ungrab; 1695 $self->{term}->ungrab;
1492} 1696}
1493 1697
1494=back 1698=back
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__;
1495 1708
1496=head2 The C<urxvt::timer> Class 1709=head2 The C<urxvt::timer> Class
1497 1710
1498This class implements timer watchers/events. Time is represented as a 1711This class implements timer watchers/events. Time is represented as a
1499fractional number of seconds since the epoch. Example: 1712fractional number of seconds since the epoch. Example:
1537Start the timer. 1750Start the timer.
1538 1751
1539=item $timer = $timer->start ($tstamp) 1752=item $timer = $timer->start ($tstamp)
1540 1753
1541Set the event trigger time to C<$tstamp> and start the timer. 1754Set the event trigger time to C<$tstamp> and start the timer.
1755
1756=item $timer = $timer->after ($delay)
1757
1758Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1542 1759
1543=item $timer = $timer->stop 1760=item $timer = $timer->stop
1544 1761
1545Stop the timer. 1762Stop the timer.
1546 1763
1593 1810
1594Stop watching for events on the given filehandle. 1811Stop watching for events on the given filehandle.
1595 1812
1596=back 1813=back
1597 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
1598=head1 ENVIRONMENT 1876=head1 ENVIRONMENT
1599 1877
1600=head2 URXVT_PERL_VERBOSITY 1878=head2 URXVT_PERL_VERBOSITY
1601 1879
1602This variable controls the verbosity level of the perl extension. Higher 1880This variable controls the verbosity level of the perl extension. Higher

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