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Comparing rxvt-unicode/src/urxvt.pm (file contents):
Revision 1.36 by root, Fri Jan 6 02:58:02 2006 UTC vs.
Revision 1.45 by root, Sat Jan 7 20:23:52 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
62 62
63Displays a digital clock using the built-in overlay. 63Displays a digital clock using the built-in overlay.
64 64
65=item mark-urls 65=item mark-urls
66 66
67Uses per-line filtering (C<on_line_update>) to underline urls. 67Uses per-line display filtering (C<on_line_update>) to underline urls.
68
69=item block-graphics-to-ascii
70
71A not very useful example of filtering all text output to the terminal,
72by replacing all line-drawing characters (U+2500 .. U+259F) by a
73similar-looking ascii character.
68 74
69=item example-refresh-hooks 75=item example-refresh-hooks
70 76
71Displays a very simple digital clock in the upper right corner of the 77Displays a very simple digital clock in the upper right corner of the
72window. Illustrates overwriting the refresh callbacks to create your own 78window. Illustrates overwriting the refresh callbacks to create your own
73overlays or changes. 79overlays or changes.
74
75=item example-filter-input
76
77A not very useful example of filtering all text output to the terminal, by
78underlining all urls that matches a certain regex (i.e. some urls :). It
79is not very useful because urls that are output in multiple steps (e.g.
80when typing them) do not get marked.
81 80
82=back 81=back
83 82
84=head2 General API Considerations 83=head2 General API Considerations
85 84
117 116
118=back 117=back
119 118
120=head2 Hooks 119=head2 Hooks
121 120
122The following subroutines can be declared in loaded scripts, and will be 121The following subroutines can be declared in extension files, and will be
123called whenever the relevant event happens. 122called whenever the relevant event happens.
124 123
125The first argument passed to them is an object private to each terminal 124The first argument passed to them is an object private to each terminal
126and extension package. You can call all C<urxvt::term> methods on it, but 125and extension package. You can call all C<urxvt::term> methods on it, but
127its not a real C<urxvt::term> object. Instead, the real C<urxvt::term> 126its not a real C<urxvt::term> object. Instead, the real C<urxvt::term>
128object that is shared between all packages is stored in the C<term> 127object that is shared between all packages is stored in the C<term>
129member. 128member. It is, however, blessed intot he package of the extension script,
129so for all practical purposes you can treat an extension script as a class.
130 130
131All of them must return a boolean value. If it is true, then the event 131All of them must return a boolean value. If it is true, then the event
132counts as being I<consumed>, and the invocation of other hooks is skipped, 132counts as being I<consumed>, and the invocation of other hooks is skipped,
133and the relevant action might not be carried out by the C++ code. 133and the relevant action might not be carried out by the C++ code.
134 134
178click) and is either supposed to return false (normal operation), or 178click) and is either supposed to return false (normal operation), or
179should extend the selection itelf and return true to suppress the built-in 179should extend the selection itelf and return true to suppress the built-in
180processing. 180processing.
181 181
182See the F<selection> example extension. 182See the F<selection> example extension.
183
184=item on_focus_in $term
185
186Called whenever the window gets the keyboard focus, before urxvt does
187focus in processing.
188
189=item on_focus_out $term
190
191Called wheneever the window loses keyboard focus, before urxvt does focus
192out processing.
193 183
194=item on_view_change $term, $offset 184=item on_view_change $term, $offset
195 185
196Called whenever the view offset changes, i..e the user or program 186Called whenever the view offset changes, i..e the user or program
197scrolls. Offset C<0> means display the normal terminal, positive values 187scrolls. Offset C<0> means display the normal terminal, positive values
261 251
262Called whenever the user presses a key combination that has a 252Called whenever the user presses a key combination that has a
263C<perl:string> action bound to it (see description of the B<keysym> 253C<perl:string> action bound to it (see description of the B<keysym>
264resource in the @@RXVT_NAME@@(1) manpage). 254resource in the @@RXVT_NAME@@(1) manpage).
265 255
256=item on_focus_in $term
257
258Called whenever the window gets the keyboard focus, before rxvt-unicode
259does focus in processing.
260
261=item on_focus_out $term
262
263Called wheneever the window loses keyboard focus, before rxvt-unicode does
264focus out processing.
265
266=item on_key_press $term, $event, $octets
267
268=item on_key_release $term, $event
269
270=item on_button_press $term, $event
271
272=item on_button_release $term, $event
273
274=item on_motion_notify $term, $event
275
276=item on_map_notify $term, $event
277
278=item on_unmap_notify $term, $event
279
280Called whenever the corresponding X event is received for the terminal If
281the hook returns true, then the even will be ignored by rxvt-unicode.
282
283The event is a hash with most values as named by Xlib (see the XEvent
284manpage), with the additional members C<row> and C<col>, which are the row
285and column under the mouse cursor.
286
287C<on_key_press> additionally receives the string rxvt-unicode would
288output, if any, in locale-specific encoding.
289
290subwindow.
291
266=back 292=back
267 293
268=head2 Variables in the C<urxvt> Package 294=head2 Variables in the C<urxvt> Package
269 295
270=over 4 296=over 4
271 297
272=item $urxvt::TERM 298=item $urxvt::TERM
273 299
274The current terminal. Whenever a callback/Hook is bein executed, this 300The current terminal. This variable stores the current C<urxvt::term>
275variable stores the current C<urxvt::term> object. 301object, whenever a callback/hook is executing.
276 302
277=back 303=back
278 304
279=head2 Functions in the C<urxvt> Package 305=head2 Functions in the C<urxvt> Package
280 306
407 $hook_count[$htype]++ 433 $hook_count[$htype]++
408 or set_should_invoke $htype, 1; 434 or set_should_invoke $htype, 1;
409 } 435 }
410} 436}
411 437
412my $script_pkg = "script0000"; 438my $extension_pkg = "extension0000";
413my %script_pkg; 439my %extension_pkg;
414 440
415# load a single script into its own package, once only 441# load a single script into its own package, once only
416sub script_package($) { 442sub extension_package($) {
417 my ($path) = @_; 443 my ($path) = @_;
418 444
419 $script_pkg{$path} ||= do { 445 $extension_pkg{$path} ||= do {
420 my $pkg = "urxvt::" . ($script_pkg++); 446 my $pkg = "urxvt::" . ($extension_pkg++);
421 447
422 verbose 3, "loading script '$path' into package '$pkg'"; 448 verbose 3, "loading extension '$path' into package '$pkg'";
423 449
424 open my $fh, "<:raw", $path 450 open my $fh, "<:raw", $path
425 or die "$path: $!"; 451 or die "$path: $!";
426 452
427 my $source = "package $pkg; use strict; use utf8;\n" 453 my $source = "package $pkg; use strict; use utf8;\n"
454 . "use base urxvt::term::proxy::;\n"
428 . "#line 1 \"$path\"\n{\n" 455 . "#line 1 \"$path\"\n{\n"
429 . (do { local $/; <$fh> }) 456 . (do { local $/; <$fh> })
430 . "\n};\n1"; 457 . "\n};\n1";
431 458
432 eval $source or die "$path: $@"; 459 eval $source or die "$path: $@";
443 my $htype = shift; 470 my $htype = shift;
444 471
445 if ($htype == 0) { # INIT 472 if ($htype == 0) { # INIT
446 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); 473 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
447 474
448 for my $ext (map { split /:/, $TERM->resource ("perl_ext_$_") } 1, 2) { 475 for my $ext (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
449 my @files = grep -f $_, map "$_/$ext", @dirs; 476 my @files = grep -f $_, map "$_/$ext", @dirs;
450 477
451 if (@files) { 478 if (@files) {
452 register_package script_package $files[0]; 479 register_package extension_package $files[0];
453 } else { 480 } else {
454 warn "perl extension '$ext' not found in perl library search path\n"; 481 warn "perl extension '$ext' not found in perl library search path\n";
455 } 482 }
456 } 483 }
457 } 484 }
463 if $verbosity >= 10; 490 if $verbosity >= 10;
464 491
465 keys %$cb; 492 keys %$cb;
466 493
467 while (my ($pkg, $cb) = each %$cb) { 494 while (my ($pkg, $cb) = each %$cb) {
495 eval {
468 $retval = $cb->( 496 $retval = $cb->(
469 $TERM->{_pkg}{$pkg} ||= do { 497 $TERM->{_pkg}{$pkg} ||= do {
470 my $proxy = bless { }, urxvt::term::proxy::; 498 my $proxy = bless { }, $pkg;
471 Scalar::Util::weaken ($proxy->{term} = $TERM); 499 Scalar::Util::weaken ($proxy->{term} = $TERM);
472 $proxy 500 $proxy
473 }, 501 },
474 @_, 502 @_,
475 ) and last; 503 ) and last;
504 };
505 warn $@ if $@;#d#
476 } 506 }
477 } 507 }
478 508
479 if ($htype == 1) { # DESTROY 509 if ($htype == 1) { # DESTROY
480 # remove hooks if unused 510 # remove hooks if unused
506 } 536 }
507 1 537 1
508 } or die "FATAL: unable to compile method forwarder: $@"; 538 } or die "FATAL: unable to compile method forwarder: $@";
509 539
510 goto &$urxvt::term::proxy::AUTOLOAD; 540 goto &$urxvt::term::proxy::AUTOLOAD;
541}
542
543sub urxvt::destroy_hook::DESTROY {
544 ${$_[0]}->();
545}
546
547sub urxvt::destroy_hook(&) {
548 bless \shift, urxvt::destroy_hook::
511} 549}
512 550
513=head2 The C<urxvt::term> Class 551=head2 The C<urxvt::term> Class
514 552
515=over 4 553=over 4
555=cut 593=cut
556 594
557sub urxvt::term::resource($$;$) { 595sub urxvt::term::resource($$;$) {
558 my ($self, $name) = (shift, shift); 596 my ($self, $name) = (shift, shift);
559 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0); 597 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
560 goto &urxvt::term::_resource; 598 &urxvt::term::_resource
561} 599}
562 600
563=item $rend = $term->rstyle ([$new_rstyle]) 601=item $rend = $term->rstyle ([$new_rstyle])
564 602
565Return and optionally change the current rendition. Text that is output by 603Return and optionally change the current rendition. Text that is output by
641 679
642If hidden, display the overlay again. 680If hidden, display the overlay again.
643 681
644=back 682=back
645 683
684=item $popup = $term->popup ($event)
685
686Creates a new C<urxvt::popup> object that implements a popup menu. The
687C<$event> I<must> be the event causing the menu to pop up (a button event,
688currently).
689
690=cut
691
692sub urxvt::term::popup {
693 my ($self, $event) = @_;
694
695 $self->grab ($event->{time}, 1)
696 or return;
697
698 my $popup = bless {
699 term => $self,
700 event => $event,
701 }, urxvt::popup::;
702
703 Scalar::Util::weaken $popup->{term};
704
705 $self->{_destroy}{$popup} = urxvt::destroy_hook { $popup->{popup}->destroy };
706 Scalar::Util::weaken $self->{_destroy}{$popup};
707
708 $popup
709}
710
646=item $cellwidth = $term->strwidth $string 711=item $cellwidth = $term->strwidth ($string)
647 712
648Returns the number of screen-cells this string would need. Correctly 713Returns the number of screen-cells this string would need. Correctly
649accounts for wide and combining characters. 714accounts for wide and combining characters.
650 715
651=item $octets = $term->locale_encode $string 716=item $octets = $term->locale_encode ($string)
652 717
653Convert the given text string into the corresponding locale encoding. 718Convert the given text string into the corresponding locale encoding.
654 719
655=item $string = $term->locale_decode $octets 720=item $string = $term->locale_decode ($octets)
656 721
657Convert the given locale-encoded octets into a perl string. 722Convert the given locale-encoded octets into a perl string.
658 723
659=item $term->scr_add_lines ($string) 724=item $term->scr_add_lines ($string)
660 725
676=item $term->tt_write ($octets) 741=item $term->tt_write ($octets)
677 742
678Write the octets given in C<$data> to the tty (i.e. as program input). To 743Write the octets given in C<$data> to the tty (i.e. as program input). To
679pass characters instead of octets, you should convert your strings first 744pass characters instead of octets, you should convert your strings first
680to the locale-specific encoding using C<< $term->locale_encode >>. 745to the locale-specific encoding using C<< $term->locale_encode >>.
746
747=item $windowid = $term->parent
748
749Return the window id of the toplevel window.
750
751=item $windowid = $term->vt
752
753Return the window id of the terminal window.
681 754
682=item $window_width = $term->width 755=item $window_width = $term->width
683 756
684=item $window_height = $term->height 757=item $window_height = $term->height
685 758
892 965
893Converts rxvt-unicodes text reprsentation into a perl string. See 966Converts rxvt-unicodes text reprsentation into a perl string. See
894C<< $term->ROW_t >> for details. 967C<< $term->ROW_t >> for details.
895 968
896=back 969=back
970
971=head2 The C<urxvt::popup> Class
972
973=over 4
974
975=cut
976
977package urxvt::popup;
978
979sub add_item {
980 my ($self, $item) = @_;
981
982 push @{ $self->{item} }, $item;
983}
984
985sub add_button {
986 my ($self, $text, $cb) = @_;
987
988 $self->add_item ({ type => "button", text => "[ $text ]", activate => $cb });
989}
990
991sub show {
992 my ($self) = @_;
993
994 local $urxvt::popup::self = $self;
995
996 urxvt->new ("--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0,
997 "--transient-for" => $self->{term}->parent,
998 "-pe" => "urxvt_popup")
999 or die "unable to create popup window\n";
1000}
1001
1002sub DESTROY {
1003 my ($self) = @_;
1004
1005 $self->{term}->ungrab;
1006}
897 1007
898=head2 The C<urxvt::timer> Class 1008=head2 The C<urxvt::timer> Class
899 1009
900This class implements timer watchers/events. Time is represented as a 1010This class implements timer watchers/events. Time is represented as a
901fractional number of seconds since the epoch. Example: 1011fractional number of seconds since the epoch. Example:

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