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Comparing rxvt-unicode/src/urxvt.pm (file contents):
Revision 1.42 by root, Fri Jan 6 21:06:09 2006 UTC vs.
Revision 1.56 by root, Sun Jan 8 05:52:42 2006 UTC

17 17
18 @@RXVT_NAME@@ --perl-lib $HOME -pe grab_test 18 @@RXVT_NAME@@ --perl-lib $HOME -pe grab_test
19 19
20=head1 DESCRIPTION 20=head1 DESCRIPTION
21 21
22Everytime a terminal object gets created, scripts specified via the 22Everytime a terminal object gets created, extension scripts specified via
23C<perl> resource are loaded and associated with it. 23the C<perl> resource are loaded and associated with it.
24 24
25Scripts are compiled in a 'use strict' and 'use utf8' environment, and 25Scripts are compiled in a 'use strict' and 'use utf8' environment, and
26thus must be encoded as UTF-8. 26thus must be encoded as UTF-8.
27 27
28Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where 28Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where
37 37
38 @@RXVT_NAME@@ -pe <extensionname> 38 @@RXVT_NAME@@ -pe <extensionname>
39 39
40=over 4 40=over 4
41 41
42=item selection 42=item selection (enabled by default)
43 43
44Intelligent selection. This extension tries to be more intelligent when 44Intelligent selection. This extension tries to be more intelligent when
45the user extends selections (double-click). Right now, it tries to select 45the user extends selections (double-click). Right now, it tries to select
46urls and complete shell-quoted arguments, which is very convenient, too, 46urls and complete shell-quoted arguments, which is very convenient, too,
47if your F<ls> supports C<--quoting-style=shell>. 47if your F<ls> supports C<--quoting-style=shell>.
55Rot-13 the selection when activated. Used via keyboard trigger: 55Rot-13 the selection when activated. Used via keyboard trigger:
56 56
57 URxvt.keysym.C-M-r: perl:selection:rot13 57 URxvt.keysym.C-M-r: perl:selection:rot13
58 58
59=back 59=back
60
61=item option-popup (enabled by default)
62
63Binds a popup menu to Ctrl-Button3 that lets you toggle (some) options at
64runtime.
60 65
61=item digital-clock 66=item digital-clock
62 67
63Displays a digital clock using the built-in overlay. 68Displays a digital clock using the built-in overlay.
64 69
116 121
117=back 122=back
118 123
119=head2 Hooks 124=head2 Hooks
120 125
121The following subroutines can be declared in loaded scripts, and will be 126The following subroutines can be declared in extension files, and will be
122called whenever the relevant event happens. 127called whenever the relevant event happens.
123 128
124The first argument passed to them is an object private to each terminal 129The first argument passed to them is an object private to each terminal
125and extension package. You can call all C<urxvt::term> methods on it, but 130and extension package. You can call all C<urxvt::term> methods on it, but
126its not a real C<urxvt::term> object. Instead, the real C<urxvt::term> 131its not a real C<urxvt::term> object. Instead, the real C<urxvt::term>
127object that is shared between all packages is stored in the C<term> 132object that is shared between all packages is stored in the C<term>
128member. 133member. It is, however, blessed intot he package of the extension script,
134so for all practical purposes you can treat an extension script as a class.
129 135
130All of them must return a boolean value. If it is true, then the event 136All of them must return a boolean value. If it is true, then the event
131counts as being I<consumed>, and the invocation of other hooks is skipped, 137counts as being I<consumed>, and the invocation of other hooks is skipped,
132and the relevant action might not be carried out by the C++ code. 138and the relevant action might not be carried out by the C++ code.
133 139
177click) and is either supposed to return false (normal operation), or 183click) and is either supposed to return false (normal operation), or
178should extend the selection itelf and return true to suppress the built-in 184should extend the selection itelf and return true to suppress the built-in
179processing. 185processing.
180 186
181See the F<selection> example extension. 187See the F<selection> example extension.
182
183=item on_focus_in $term
184
185Called whenever the window gets the keyboard focus, before urxvt does
186focus in processing.
187
188=item on_focus_out $term
189
190Called wheneever the window loses keyboard focus, before urxvt does focus
191out processing.
192 188
193=item on_view_change $term, $offset 189=item on_view_change $term, $offset
194 190
195Called whenever the view offset changes, i..e the user or program 191Called whenever the view offset changes, i..e the user or program
196scrolls. Offset C<0> means display the normal terminal, positive values 192scrolls. Offset C<0> means display the normal terminal, positive values
260 256
261Called whenever the user presses a key combination that has a 257Called whenever the user presses a key combination that has a
262C<perl:string> action bound to it (see description of the B<keysym> 258C<perl:string> action bound to it (see description of the B<keysym>
263resource in the @@RXVT_NAME@@(1) manpage). 259resource in the @@RXVT_NAME@@(1) manpage).
264 260
261=item on_focus_in $term
262
263Called whenever the window gets the keyboard focus, before rxvt-unicode
264does focus in processing.
265
266=item on_focus_out $term
267
268Called wheneever the window loses keyboard focus, before rxvt-unicode does
269focus out processing.
270
265=item on_key_press $term, $event, $octets 271=item on_key_press $term, $event, $octets
266 272
267=item on_key_release $term, $event 273=item on_key_release $term, $event
268 274
269=item on_button_press $term, $event 275=item on_button_press $term, $event
270 276
271=item on_button_release $term, $event 277=item on_button_release $term, $event
272 278
273=item on_motion_notify $term, $event 279=item on_motion_notify $term, $event
280
281=item on_map_notify $term, $event
282
283=item on_unmap_notify $term, $event
274 284
275Called whenever the corresponding X event is received for the terminal If 285Called whenever the corresponding X event is received for the terminal If
276the hook returns true, then the even will be ignored by rxvt-unicode. 286the hook returns true, then the even will be ignored by rxvt-unicode.
277 287
278The event is a hash with most values as named by Xlib (see the XEvent 288The event is a hash with most values as named by Xlib (see the XEvent
290 300
291=over 4 301=over 4
292 302
293=item $urxvt::TERM 303=item $urxvt::TERM
294 304
295The current terminal. Whenever a callback/Hook is bein executed, this 305The current terminal. This variable stores the current C<urxvt::term>
296variable stores the current C<urxvt::term> object. 306object, whenever a callback/hook is executing.
297 307
298=back 308=back
299 309
300=head2 Functions in the C<urxvt> Package 310=head2 Functions in the C<urxvt> Package
301 311
326 336
327=item $time = urxvt::NOW 337=item $time = urxvt::NOW
328 338
329Returns the "current time" (as per the event loop). 339Returns the "current time" (as per the event loop).
330 340
341=item urxvt::CurrentTime
342
343=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
344Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
345Button4Mask, Button5Mask, AnyModifier
346
347Various constants for use in X calls and event processing.
348
331=back 349=back
332 350
333=head2 RENDITION 351=head2 RENDITION
334 352
335Rendition bitsets contain information about colour, font, font styles and 353Rendition bitsets contain information about colour, font, font styles and
384 402
385=cut 403=cut
386 404
387package urxvt; 405package urxvt;
388 406
407use utf8;
389use strict; 408use strict;
390use Scalar::Util (); 409use Scalar::Util ();
410use List::Util ();
391 411
412our $VERSION = 1;
392our $TERM; 413our $TERM;
393our @HOOKNAME; 414our @HOOKNAME;
415our %OPTION;
394our $LIBDIR; 416our $LIBDIR;
395 417
396BEGIN { 418BEGIN {
397 urxvt->bootstrap; 419 urxvt->bootstrap;
398 420
428 $hook_count[$htype]++ 450 $hook_count[$htype]++
429 or set_should_invoke $htype, 1; 451 or set_should_invoke $htype, 1;
430 } 452 }
431} 453}
432 454
433my $script_pkg = "script0000"; 455my $extension_pkg = "extension0000";
434my %script_pkg; 456my %extension_pkg;
435 457
436# load a single script into its own package, once only 458# load a single script into its own package, once only
437sub script_package($) { 459sub extension_package($) {
438 my ($path) = @_; 460 my ($path) = @_;
439 461
440 $script_pkg{$path} ||= do { 462 $extension_pkg{$path} ||= do {
441 my $pkg = "urxvt::" . ($script_pkg++); 463 my $pkg = "urxvt::" . ($extension_pkg++);
442 464
443 verbose 3, "loading script '$path' into package '$pkg'"; 465 verbose 3, "loading extension '$path' into package '$pkg'";
444 466
445 open my $fh, "<:raw", $path 467 open my $fh, "<:raw", $path
446 or die "$path: $!"; 468 or die "$path: $!";
447 469
448 my $source = "package $pkg; use strict; use utf8;\n" 470 my $source = "package $pkg; use strict; use utf8;\n"
471 . "use base urxvt::term::proxy::;\n"
449 . "#line 1 \"$path\"\n{\n" 472 . "#line 1 \"$path\"\n{\n"
450 . (do { local $/; <$fh> }) 473 . (do { local $/; <$fh> })
451 . "\n};\n1"; 474 . "\n};\n1";
452 475
453 eval $source or die "$path: $@"; 476 eval $source or die "$path: $@";
463 local $TERM = shift; 486 local $TERM = shift;
464 my $htype = shift; 487 my $htype = shift;
465 488
466 if ($htype == 0) { # INIT 489 if ($htype == 0) { # INIT
467 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); 490 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
491
492 my %want_ext;
468 493
469 for my $ext (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) { 494 for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
495 if ($_ eq "default") {
496 $want_ext{$_}++ for qw(selection option-popup);
497 } elsif (/^-(.*)$/) {
498 delete $want_ext{$1};
499 } else {
500 $want_ext{$_}++;
501 }
502 }
503
504 for my $ext (keys %want_ext) {
470 my @files = grep -f $_, map "$_/$ext", @dirs; 505 my @files = grep -f $_, map "$_/$ext", @dirs;
471 506
472 if (@files) { 507 if (@files) {
473 register_package script_package $files[0]; 508 register_package extension_package $files[0];
474 } else { 509 } else {
475 warn "perl extension '$ext' not found in perl library search path\n"; 510 warn "perl extension '$ext' not found in perl library search path\n";
476 } 511 }
477 } 512 }
513
514 eval "#line 1 \"--perl-eval resource/argument\"\n" . $TERM->resource ("perl_eval");
515 warn $@ if $@;
478 } 516 }
479 517
480 $retval = undef; 518 $retval = undef;
481 519
482 if (my $cb = $TERM->{_hook}[$htype]) { 520 if (my $cb = $TERM->{_hook}[$htype]) {
484 if $verbosity >= 10; 522 if $verbosity >= 10;
485 523
486 keys %$cb; 524 keys %$cb;
487 525
488 while (my ($pkg, $cb) = each %$cb) { 526 while (my ($pkg, $cb) = each %$cb) {
527 eval {
489 $retval = $cb->( 528 $retval = $cb->(
490 $TERM->{_pkg}{$pkg} ||= do { 529 $TERM->{_pkg}{$pkg} ||= do {
491 my $proxy = bless { }, urxvt::term::proxy::; 530 my $proxy = bless { }, $pkg;
492 Scalar::Util::weaken ($proxy->{term} = $TERM); 531 Scalar::Util::weaken ($proxy->{term} = $TERM);
493 $proxy 532 $proxy
494 }, 533 },
495 @_, 534 @_,
496 ) and last; 535 ) and last;
536 };
537 warn $@ if $@;#d#
497 } 538 }
498 } 539 }
499 540
500 if ($htype == 1) { # DESTROY 541 if ($htype == 1) { # DESTROY
501 # remove hooks if unused 542 # remove hooks if unused
514 } 555 }
515 556
516 $retval 557 $retval
517} 558}
518 559
560# urxvt::term::proxy
561
519sub urxvt::term::proxy::AUTOLOAD { 562sub urxvt::term::proxy::AUTOLOAD {
520 $urxvt::term::proxy::AUTOLOAD =~ /:([^:]+)$/ 563 $urxvt::term::proxy::AUTOLOAD =~ /:([^:]+)$/
521 or die "FATAL: \$AUTOLOAD '$urxvt::term::proxy::AUTOLOAD' unparsable"; 564 or die "FATAL: \$AUTOLOAD '$urxvt::term::proxy::AUTOLOAD' unparsable";
522 565
523 eval qq{ 566 eval qq{
529 } or die "FATAL: unable to compile method forwarder: $@"; 572 } or die "FATAL: unable to compile method forwarder: $@";
530 573
531 goto &$urxvt::term::proxy::AUTOLOAD; 574 goto &$urxvt::term::proxy::AUTOLOAD;
532} 575}
533 576
577# urxvt::destroy_hook
578
579sub urxvt::destroy_hook::DESTROY {
580 ${$_[0]}->();
581}
582
583sub urxvt::destroy_hook(&) {
584 bless \shift, urxvt::destroy_hook::
585}
586
587package urxvt::anyevent;
588
589=head2 The C<urxvt::anyevent> Class
590
591The sole purpose of this class is to deliver an interface to the
592C<AnyEvent> module - any module using it will work inside urxvt without
593further work. The only exception is that you cannot wait on condition
594variables, but non-blocking condvar use is ok. What this means is that you
595cannot use blocking APIs, but the non-blocking variant should work.
596
597=cut
598
599our $VERSION = 1;
600
601$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
602push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
603
604sub timer {
605 my ($class, %arg) = @_;
606
607 my $cb = $arg{cb};
608
609 urxvt::timer
610 ->new
611 ->start (urxvt::NOW + $arg{after})
612 ->cb (sub {
613 $_[0]->stop; # need to cancel manually
614 $cb->();
615 })
616}
617
618sub io {
619 my ($class, %arg) = @_;
620
621 my $cb = $arg{cb};
622
623 bless [$arg{fh}, urxvt::iow
624 ->new
625 ->fd (fileno $arg{fh})
626 ->events (($arg{poll} =~ /r/ ? 1 : 0)
627 | ($arg{poll} =~ /w/ ? 2 : 0))
628 ->start
629 ->cb (sub {
630 $cb->(($_[1] & 1 ? 'r' : '')
631 . ($_[1] & 2 ? 'w' : ''));
632 })],
633 urxvt::anyevent::
634}
635
636sub DESTROY {
637 $_[0][1]->stop;
638}
639
640sub condvar {
641 bless \my $flag, urxvt::anyevent::condvar::
642}
643
644sub urxvt::anyevent::condvar::broadcast {
645 ${$_[0]}++;
646}
647
648sub urxvt::anyevent::condvar::wait {
649 unless (${$_[0]}) {
650 require Carp;
651 Carp::croak ("AnyEvent->condvar blocking wait unsupported in urxvt, use a non-blocking API");
652 }
653}
654
655package urxvt::term;
656
534=head2 The C<urxvt::term> Class 657=head2 The C<urxvt::term> Class
535 658
536=over 4 659=over 4
537 660
538=item $term->destroy 661=item $term->destroy
539 662
540Destroy the terminal object (close the window, free resources etc.). 663Destroy the terminal object (close the window, free resources etc.).
664
665=item $isset = $term->option ($optval[, $set])
666
667Returns true if the option specified by C<$optval> is enabled, and
668optionally change it. All option values are stored by name in the hash
669C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
670
671Here is a a likely non-exhaustive list of option names, please see the
672source file F</src/optinc.h> to see the actual list:
673
674 borderLess console cursorBlink cursorUnderline hold iconic insecure
675 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage
676 pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating
677 scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer
678 secondaryScreen secondaryScroll skipBuiltinGlyphs transparent
679 tripleclickwords utmpInhibit visualBell
541 680
542=item $value = $term->resource ($name[, $newval]) 681=item $value = $term->resource ($name[, $newval])
543 682
544Returns the current resource value associated with a given name and 683Returns the current resource value associated with a given name and
545optionally sets a new value. Setting values is most useful in the C<init> 684optionally sets a new value. Setting values is most useful in the C<init>
555 694
556Please note that resource strings will currently only be freed when the 695Please note that resource strings will currently only be freed when the
557terminal is destroyed, so changing options frequently will eat memory. 696terminal is destroyed, so changing options frequently will eat memory.
558 697
559Here is a a likely non-exhaustive list of resource names, not all of which 698Here is a a likely non-exhaustive list of resource names, not all of which
560are supported in every build, please see the source to see the actual 699are supported in every build, please see the source file F</src/rsinc.h>
561list: 700to see the actual list:
562 701
563 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont 702 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
564 borderLess color cursorBlink cursorUnderline cutchars delete_key 703 borderLess color cursorBlink cursorUnderline cutchars delete_key
565 display_name embed ext_bwidth fade font geometry hold iconName 704 display_name embed ext_bwidth fade font geometry hold iconName
566 imFont imLocale inputMethod insecure int_bwidth intensityStyles 705 imFont imLocale inputMethod insecure int_bwidth intensityStyles
573 shade term_name title transparent transparent_all tripleclickwords 712 shade term_name title transparent transparent_all tripleclickwords
574 utmpInhibit visualBell 713 utmpInhibit visualBell
575 714
576=cut 715=cut
577 716
578sub urxvt::term::resource($$;$) { 717sub resource($$;$) {
579 my ($self, $name) = (shift, shift); 718 my ($self, $name) = (shift, shift);
580 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0); 719 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
581 goto &urxvt::term::_resource; 720 &urxvt::term::_resource
582} 721}
583 722
584=item $rend = $term->rstyle ([$new_rstyle]) 723=item $rend = $term->rstyle ([$new_rstyle])
585 724
586Return and optionally change the current rendition. Text that is output by 725Return and optionally change the current rendition. Text that is output by
662 801
663If hidden, display the overlay again. 802If hidden, display the overlay again.
664 803
665=back 804=back
666 805
806=item $popup = $term->popup ($event)
807
808Creates a new C<urxvt::popup> object that implements a popup menu. The
809C<$event> I<must> be the event causing the menu to pop up (a button event,
810currently).
811
812=cut
813
814sub popup {
815 my ($self, $event) = @_;
816
817 $self->grab ($event->{time}, 1)
818 or return;
819
820 my $popup = bless {
821 term => $self,
822 event => $event,
823 }, urxvt::popup::;
824
825 Scalar::Util::weaken $popup->{term};
826
827 $self->{_destroy}{$popup} = urxvt::destroy_hook { $popup->{popup}->destroy };
828 Scalar::Util::weaken $self->{_destroy}{$popup};
829
830 $popup
831}
832
667=item $cellwidth = $term->strwidth ($string) 833=item $cellwidth = $term->strwidth ($string)
668 834
669Returns the number of screen-cells this string would need. Correctly 835Returns the number of screen-cells this string would need. Correctly
670accounts for wide and combining characters. 836accounts for wide and combining characters.
671 837
731=item $nrow_plus_saveLines = $term->total_rows 897=item $nrow_plus_saveLines = $term->total_rows
732 898
733=item $lines_in_scrollback = $term->nsaved 899=item $lines_in_scrollback = $term->nsaved
734 900
735Return various integers describing terminal characteristics. 901Return various integers describing terminal characteristics.
902
903=item $modifiermask = $term->ModLevel3Mask
904
905=item $modifiermask = $term->ModMetaMask
906
907=item $modifiermask = $term->ModNumLockMask
908
909Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
910AltGr), the meta key (often Alt) and the num lock key, if applicable.
736 911
737=item $view_start = $term->view_start ([$newvalue]) 912=item $view_start = $term->view_start ([$newvalue])
738 913
739Returns the negative row number of the topmost line. Minimum value is 914Returns the negative row number of the topmost line. Minimum value is
740C<0>, which displays the normal terminal contents. Larger values scroll 915C<0>, which displays the normal terminal contents. Larger values scroll
834 1009
835=back 1010=back
836 1011
837=cut 1012=cut
838 1013
839sub urxvt::term::line { 1014sub line {
840 my ($self, $row) = @_; 1015 my ($self, $row) = @_;
841 1016
842 my $maxrow = $self->nrow - 1; 1017 my $maxrow = $self->nrow - 1;
843 1018
844 my ($beg, $end) = ($row, $row); 1019 my ($beg, $end) = ($row, $row);
921 1096
922Converts rxvt-unicodes text reprsentation into a perl string. See 1097Converts rxvt-unicodes text reprsentation into a perl string. See
923C<< $term->ROW_t >> for details. 1098C<< $term->ROW_t >> for details.
924 1099
925=back 1100=back
1101
1102=cut
1103
1104package urxvt::popup;
1105
1106=head2 The C<urxvt::popup> Class
1107
1108=over 4
1109
1110=cut
1111
1112sub add_item {
1113 my ($self, $item) = @_;
1114
1115 $item->{rend}{normal} = "\x1b[0;30;47m" unless exists $item->{rend}{normal};
1116 $item->{rend}{hover} = "\x1b[0;30;46m" unless exists $item->{rend}{hover};
1117 $item->{rend}{active} = "\x1b[m" unless exists $item->{rend}{active};
1118
1119 $item->{render} ||= sub { $_[0]{text} };
1120
1121 push @{ $self->{item} }, $item;
1122}
1123
1124sub add_separator {
1125 my ($self, $sep) = @_;
1126
1127 $sep ||= "═";
1128
1129 $self->add_item ({
1130 rend => { normal => "\x1b[0;30;47m", hover => "\x1b[0;30;47m", active => "\x1b[0;30;47m" },
1131 text => "",
1132 render => sub { $sep x $urxvt::TERM->ncol },
1133 activate => sub { },
1134 });
1135}
1136
1137sub add_title {
1138 my ($self, $title) = @_;
1139
1140 $self->add_item ({
1141 rend => { normal => "\x1b[38;5;11;44m", hover => "\x1b[38;5;11;44m", active => "\x1b[38;5;11;44m" },
1142 text => $title,
1143 activate => sub { },
1144 });
1145}
1146
1147sub add_button {
1148 my ($self, $text, $cb) = @_;
1149
1150 $self->add_item ({ type => "button", text => "[ $text ]", activate => $cb});
1151}
1152
1153sub add_toggle {
1154 my ($self, $text, $cb, $value) = @_;
1155
1156 my $item; $item = {
1157 type => "button",
1158 text => " $text",
1159 value => $value,
1160 render => sub { ($item->{value} ? "* " : " ") . $text },
1161 activate => sub { $cb->($item->{value} = !$item->{value}); },
1162 };
1163
1164 $self->add_item ($item);
1165}
1166
1167sub show {
1168 my ($self) = @_;
1169
1170 local $urxvt::popup::self = $self;
1171
1172 urxvt->new ("--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0,
1173 "--transient-for" => $self->{term}->parent,
1174 "-pe" => "urxvt-popup")
1175 or die "unable to create popup window\n";
1176}
1177
1178sub DESTROY {
1179 my ($self) = @_;
1180
1181 $self->{term}->ungrab;
1182}
926 1183
927=head2 The C<urxvt::timer> Class 1184=head2 The C<urxvt::timer> Class
928 1185
929This class implements timer watchers/events. Time is represented as a 1186This class implements timer watchers/events. Time is represented as a
930fractional number of seconds since the epoch. Example: 1187fractional number of seconds since the epoch. Example:

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