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Comparing rxvt-unicode/src/urxvt.pm (file contents):
Revision 1.38 by root, Fri Jan 6 03:43:12 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 266=item on_key_press $term, $event, $octets
267 267
268=item on_key_release $term, $event 268=item on_key_release $term, $event
269 269
270=item on_button_press $term, $event 270=item on_button_press $term, $event
271 271
272=item on_button_release $term, $event 272=item on_button_release $term, $event
273 273
274=item on_motion_notify $term, $event 274=item on_motion_notify $term, $event
275 275
276=item on_map_notify $term, $event
277
278=item on_unmap_notify $term, $event
279
276Called whenever the corresponding X event is received for the terminal 280Called whenever the corresponding X event is received for the terminal If
277(see the XEvent manpage) If the hook returns true, then the even will be 281the hook returns true, then the even will be ignored by rxvt-unicode.
278ignored 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.
279 286
280C<on_key_press> additionally receives the string rxvt-unicode would 287C<on_key_press> additionally receives the string rxvt-unicode would
281output, if any, in locale-specific encoding. 288output, if any, in locale-specific encoding.
282 289
283subwindow. 290subwindow.
288 295
289=over 4 296=over 4
290 297
291=item $urxvt::TERM 298=item $urxvt::TERM
292 299
293The current terminal. Whenever a callback/Hook is bein executed, this 300The current terminal. This variable stores the current C<urxvt::term>
294variable stores the current C<urxvt::term> object. 301object, whenever a callback/hook is executing.
295 302
296=back 303=back
297 304
298=head2 Functions in the C<urxvt> Package 305=head2 Functions in the C<urxvt> Package
299 306
426 $hook_count[$htype]++ 433 $hook_count[$htype]++
427 or set_should_invoke $htype, 1; 434 or set_should_invoke $htype, 1;
428 } 435 }
429} 436}
430 437
431my $script_pkg = "script0000"; 438my $extension_pkg = "extension0000";
432my %script_pkg; 439my %extension_pkg;
433 440
434# load a single script into its own package, once only 441# load a single script into its own package, once only
435sub script_package($) { 442sub extension_package($) {
436 my ($path) = @_; 443 my ($path) = @_;
437 444
438 $script_pkg{$path} ||= do { 445 $extension_pkg{$path} ||= do {
439 my $pkg = "urxvt::" . ($script_pkg++); 446 my $pkg = "urxvt::" . ($extension_pkg++);
440 447
441 verbose 3, "loading script '$path' into package '$pkg'"; 448 verbose 3, "loading extension '$path' into package '$pkg'";
442 449
443 open my $fh, "<:raw", $path 450 open my $fh, "<:raw", $path
444 or die "$path: $!"; 451 or die "$path: $!";
445 452
446 my $source = "package $pkg; use strict; use utf8;\n" 453 my $source = "package $pkg; use strict; use utf8;\n"
454 . "use base urxvt::term::proxy::;\n"
447 . "#line 1 \"$path\"\n{\n" 455 . "#line 1 \"$path\"\n{\n"
448 . (do { local $/; <$fh> }) 456 . (do { local $/; <$fh> })
449 . "\n};\n1"; 457 . "\n};\n1";
450 458
451 eval $source or die "$path: $@"; 459 eval $source or die "$path: $@";
462 my $htype = shift; 470 my $htype = shift;
463 471
464 if ($htype == 0) { # INIT 472 if ($htype == 0) { # INIT
465 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); 473 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
466 474
467 for my $ext (map { split /:/, $TERM->resource ("perl_ext_$_") } 1, 2) { 475 for my $ext (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
468 my @files = grep -f $_, map "$_/$ext", @dirs; 476 my @files = grep -f $_, map "$_/$ext", @dirs;
469 477
470 if (@files) { 478 if (@files) {
471 register_package script_package $files[0]; 479 register_package extension_package $files[0];
472 } else { 480 } else {
473 warn "perl extension '$ext' not found in perl library search path\n"; 481 warn "perl extension '$ext' not found in perl library search path\n";
474 } 482 }
475 } 483 }
476 } 484 }
482 if $verbosity >= 10; 490 if $verbosity >= 10;
483 491
484 keys %$cb; 492 keys %$cb;
485 493
486 while (my ($pkg, $cb) = each %$cb) { 494 while (my ($pkg, $cb) = each %$cb) {
495 eval {
487 $retval = $cb->( 496 $retval = $cb->(
488 $TERM->{_pkg}{$pkg} ||= do { 497 $TERM->{_pkg}{$pkg} ||= do {
489 my $proxy = bless { }, urxvt::term::proxy::; 498 my $proxy = bless { }, $pkg;
490 Scalar::Util::weaken ($proxy->{term} = $TERM); 499 Scalar::Util::weaken ($proxy->{term} = $TERM);
491 $proxy 500 $proxy
492 }, 501 },
493 @_, 502 @_,
494 ) and last; 503 ) and last;
504 };
505 warn $@ if $@;#d#
495 } 506 }
496 } 507 }
497 508
498 if ($htype == 1) { # DESTROY 509 if ($htype == 1) { # DESTROY
499 # remove hooks if unused 510 # remove hooks if unused
525 } 536 }
526 1 537 1
527 } or die "FATAL: unable to compile method forwarder: $@"; 538 } or die "FATAL: unable to compile method forwarder: $@";
528 539
529 goto &$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::
530} 549}
531 550
532=head2 The C<urxvt::term> Class 551=head2 The C<urxvt::term> Class
533 552
534=over 4 553=over 4
574=cut 593=cut
575 594
576sub urxvt::term::resource($$;$) { 595sub urxvt::term::resource($$;$) {
577 my ($self, $name) = (shift, shift); 596 my ($self, $name) = (shift, shift);
578 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0); 597 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
579 goto &urxvt::term::_resource; 598 &urxvt::term::_resource
580} 599}
581 600
582=item $rend = $term->rstyle ([$new_rstyle]) 601=item $rend = $term->rstyle ([$new_rstyle])
583 602
584Return and optionally change the current rendition. Text that is output by 603Return and optionally change the current rendition. Text that is output by
660 679
661If hidden, display the overlay again. 680If hidden, display the overlay again.
662 681
663=back 682=back
664 683
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
665=item $cellwidth = $term->strwidth $string 711=item $cellwidth = $term->strwidth ($string)
666 712
667Returns the number of screen-cells this string would need. Correctly 713Returns the number of screen-cells this string would need. Correctly
668accounts for wide and combining characters. 714accounts for wide and combining characters.
669 715
670=item $octets = $term->locale_encode $string 716=item $octets = $term->locale_encode ($string)
671 717
672Convert the given text string into the corresponding locale encoding. 718Convert the given text string into the corresponding locale encoding.
673 719
674=item $string = $term->locale_decode $octets 720=item $string = $term->locale_decode ($octets)
675 721
676Convert the given locale-encoded octets into a perl string. 722Convert the given locale-encoded octets into a perl string.
677 723
678=item $term->scr_add_lines ($string) 724=item $term->scr_add_lines ($string)
679 725
695=item $term->tt_write ($octets) 741=item $term->tt_write ($octets)
696 742
697Write 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
698pass characters instead of octets, you should convert your strings first 744pass characters instead of octets, you should convert your strings first
699to 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.
700 754
701=item $window_width = $term->width 755=item $window_width = $term->width
702 756
703=item $window_height = $term->height 757=item $window_height = $term->height
704 758
911 965
912Converts rxvt-unicodes text reprsentation into a perl string. See 966Converts rxvt-unicodes text reprsentation into a perl string. See
913C<< $term->ROW_t >> for details. 967C<< $term->ROW_t >> for details.
914 968
915=back 969=back
970
971=head2 The C<urxvt::popup> Class
972
973=over 4
974
975=cut
976
977package urxvt::popup;
978
979sub add_item {
980 my ($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}
916 1007
917=head2 The C<urxvt::timer> Class 1008=head2 The C<urxvt::timer> Class
918 1009
919This class implements timer watchers/events. Time is represented as a 1010This class implements timer watchers/events. Time is represented as a
920fractional number of seconds since the epoch. Example: 1011fractional number of seconds since the epoch. Example:

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