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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 1.47 by root, Sat Jan 7 21:22:02 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
116 116
117=back 117=back
118 118
119=head2 Hooks 119=head2 Hooks
120 120
121The following subroutines can be declared in loaded scripts, and will be 121The following subroutines can be declared in extension files, and will be
122called whenever the relevant event happens. 122called whenever the relevant event happens.
123 123
124The 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
125and 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
126its 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>
127object 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>
128member. 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.
129 130
130All 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
131counts 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,
132and 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.
133 134
177click) and is either supposed to return false (normal operation), or 178click) and is either supposed to return false (normal operation), or
178should 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
179processing. 180processing.
180 181
181See the F<selection> example extension. 182See 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.
192 183
193=item on_view_change $term, $offset 184=item on_view_change $term, $offset
194 185
195Called whenever the view offset changes, i..e the user or program 186Called whenever the view offset changes, i..e the user or program
196scrolls. Offset C<0> means display the normal terminal, positive values 187scrolls. Offset C<0> means display the normal terminal, positive values
260 251
261Called whenever the user presses a key combination that has a 252Called whenever the user presses a key combination that has a
262C<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>
263resource in the @@RXVT_NAME@@(1) manpage). 254resource in the @@RXVT_NAME@@(1) manpage).
264 255
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
265=item on_key_press $term, $event, $octets 266=item on_key_press $term, $event, $octets
266 267
267=item on_key_release $term, $event 268=item on_key_release $term, $event
268 269
269=item on_button_press $term, $event 270=item on_button_press $term, $event
270 271
271=item on_button_release $term, $event 272=item on_button_release $term, $event
272 273
273=item on_motion_notify $term, $event 274=item on_motion_notify $term, $event
275
276=item on_map_notify $term, $event
277
278=item on_unmap_notify $term, $event
274 279
275Called whenever the corresponding X event is received for the terminal If 280Called whenever the corresponding X event is received for the terminal If
276the hook returns true, then the even will be ignored by rxvt-unicode. 281the hook returns true, then the even will be ignored by rxvt-unicode.
277 282
278The event is a hash with most values as named by Xlib (see the XEvent 283The event is a hash with most values as named by Xlib (see the XEvent
290 295
291=over 4 296=over 4
292 297
293=item $urxvt::TERM 298=item $urxvt::TERM
294 299
295The current terminal. Whenever a callback/Hook is bein executed, this 300The current terminal. This variable stores the current C<urxvt::term>
296variable stores the current C<urxvt::term> object. 301object, whenever a callback/hook is executing.
297 302
298=back 303=back
299 304
300=head2 Functions in the C<urxvt> Package 305=head2 Functions in the C<urxvt> Package
301 306
325correct place, e.g. on stderr of the connecting urxvtc client. 330correct place, e.g. on stderr of the connecting urxvtc client.
326 331
327=item $time = urxvt::NOW 332=item $time = urxvt::NOW
328 333
329Returns the "current time" (as per the event loop). 334Returns the "current time" (as per the event loop).
335
336=item urxvt::CurrentTime
337
338=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
339Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
340Button4Mask, Button5Mask, AnyModifier
341
342Various constants for use in X events.
330 343
331=back 344=back
332 345
333=head2 RENDITION 346=head2 RENDITION
334 347
428 $hook_count[$htype]++ 441 $hook_count[$htype]++
429 or set_should_invoke $htype, 1; 442 or set_should_invoke $htype, 1;
430 } 443 }
431} 444}
432 445
433my $script_pkg = "script0000"; 446my $extension_pkg = "extension0000";
434my %script_pkg; 447my %extension_pkg;
435 448
436# load a single script into its own package, once only 449# load a single script into its own package, once only
437sub script_package($) { 450sub extension_package($) {
438 my ($path) = @_; 451 my ($path) = @_;
439 452
440 $script_pkg{$path} ||= do { 453 $extension_pkg{$path} ||= do {
441 my $pkg = "urxvt::" . ($script_pkg++); 454 my $pkg = "urxvt::" . ($extension_pkg++);
442 455
443 verbose 3, "loading script '$path' into package '$pkg'"; 456 verbose 3, "loading extension '$path' into package '$pkg'";
444 457
445 open my $fh, "<:raw", $path 458 open my $fh, "<:raw", $path
446 or die "$path: $!"; 459 or die "$path: $!";
447 460
448 my $source = "package $pkg; use strict; use utf8;\n" 461 my $source = "package $pkg; use strict; use utf8;\n"
462 . "use base urxvt::term::proxy::;\n"
449 . "#line 1 \"$path\"\n{\n" 463 . "#line 1 \"$path\"\n{\n"
450 . (do { local $/; <$fh> }) 464 . (do { local $/; <$fh> })
451 . "\n};\n1"; 465 . "\n};\n1";
452 466
453 eval $source or die "$path: $@"; 467 eval $source or die "$path: $@";
468 482
469 for my $ext (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) { 483 for my $ext (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
470 my @files = grep -f $_, map "$_/$ext", @dirs; 484 my @files = grep -f $_, map "$_/$ext", @dirs;
471 485
472 if (@files) { 486 if (@files) {
473 register_package script_package $files[0]; 487 register_package extension_package $files[0];
474 } else { 488 } else {
475 warn "perl extension '$ext' not found in perl library search path\n"; 489 warn "perl extension '$ext' not found in perl library search path\n";
476 } 490 }
477 } 491 }
478 } 492 }
484 if $verbosity >= 10; 498 if $verbosity >= 10;
485 499
486 keys %$cb; 500 keys %$cb;
487 501
488 while (my ($pkg, $cb) = each %$cb) { 502 while (my ($pkg, $cb) = each %$cb) {
503 eval {
489 $retval = $cb->( 504 $retval = $cb->(
490 $TERM->{_pkg}{$pkg} ||= do { 505 $TERM->{_pkg}{$pkg} ||= do {
491 my $proxy = bless { }, urxvt::term::proxy::; 506 my $proxy = bless { }, $pkg;
492 Scalar::Util::weaken ($proxy->{term} = $TERM); 507 Scalar::Util::weaken ($proxy->{term} = $TERM);
493 $proxy 508 $proxy
494 }, 509 },
495 @_, 510 @_,
496 ) and last; 511 ) and last;
512 };
513 warn $@ if $@;#d#
497 } 514 }
498 } 515 }
499 516
500 if ($htype == 1) { # DESTROY 517 if ($htype == 1) { # DESTROY
501 # remove hooks if unused 518 # remove hooks if unused
527 } 544 }
528 1 545 1
529 } or die "FATAL: unable to compile method forwarder: $@"; 546 } or die "FATAL: unable to compile method forwarder: $@";
530 547
531 goto &$urxvt::term::proxy::AUTOLOAD; 548 goto &$urxvt::term::proxy::AUTOLOAD;
549}
550
551sub urxvt::destroy_hook::DESTROY {
552 ${$_[0]}->();
553}
554
555sub urxvt::destroy_hook(&) {
556 bless \shift, urxvt::destroy_hook::
532} 557}
533 558
534=head2 The C<urxvt::term> Class 559=head2 The C<urxvt::term> Class
535 560
536=over 4 561=over 4
576=cut 601=cut
577 602
578sub urxvt::term::resource($$;$) { 603sub urxvt::term::resource($$;$) {
579 my ($self, $name) = (shift, shift); 604 my ($self, $name) = (shift, shift);
580 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0); 605 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
581 goto &urxvt::term::_resource; 606 &urxvt::term::_resource
582} 607}
583 608
584=item $rend = $term->rstyle ([$new_rstyle]) 609=item $rend = $term->rstyle ([$new_rstyle])
585 610
586Return and optionally change the current rendition. Text that is output by 611Return and optionally change the current rendition. Text that is output by
662 687
663If hidden, display the overlay again. 688If hidden, display the overlay again.
664 689
665=back 690=back
666 691
692=item $popup = $term->popup ($event)
693
694Creates a new C<urxvt::popup> object that implements a popup menu. The
695C<$event> I<must> be the event causing the menu to pop up (a button event,
696currently).
697
698=cut
699
700sub urxvt::term::popup {
701 my ($self, $event) = @_;
702
703 $self->grab ($event->{time}, 1)
704 or return;
705
706 my $popup = bless {
707 term => $self,
708 event => $event,
709 }, urxvt::popup::;
710
711 Scalar::Util::weaken $popup->{term};
712
713 $self->{_destroy}{$popup} = urxvt::destroy_hook { $popup->{popup}->destroy };
714 Scalar::Util::weaken $self->{_destroy}{$popup};
715
716 $popup
717}
718
667=item $cellwidth = $term->strwidth ($string) 719=item $cellwidth = $term->strwidth ($string)
668 720
669Returns the number of screen-cells this string would need. Correctly 721Returns the number of screen-cells this string would need. Correctly
670accounts for wide and combining characters. 722accounts for wide and combining characters.
671 723
731=item $nrow_plus_saveLines = $term->total_rows 783=item $nrow_plus_saveLines = $term->total_rows
732 784
733=item $lines_in_scrollback = $term->nsaved 785=item $lines_in_scrollback = $term->nsaved
734 786
735Return various integers describing terminal characteristics. 787Return various integers describing terminal characteristics.
788
789=item $modifiermask = $term->ModLevel3Mask
790
791=item $modifiermask = $term->ModMetaMask
792
793=item $modifiermask = $term->ModNumLockMask
794
795Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
796AltGr), the meta key (often Alt) and the num lock key, if applicable.
736 797
737=item $view_start = $term->view_start ([$newvalue]) 798=item $view_start = $term->view_start ([$newvalue])
738 799
739Returns the negative row number of the topmost line. Minimum value is 800Returns the negative row number of the topmost line. Minimum value is
740C<0>, which displays the normal terminal contents. Larger values scroll 801C<0>, which displays the normal terminal contents. Larger values scroll
921 982
922Converts rxvt-unicodes text reprsentation into a perl string. See 983Converts rxvt-unicodes text reprsentation into a perl string. See
923C<< $term->ROW_t >> for details. 984C<< $term->ROW_t >> for details.
924 985
925=back 986=back
987
988=head2 The C<urxvt::popup> Class
989
990=over 4
991
992=cut
993
994package urxvt::popup;
995
996sub add_item {
997 my ($self, $item) = @_;
998
999 push @{ $self->{item} }, $item;
1000}
1001
1002sub add_button {
1003 my ($self, $text, $cb) = @_;
1004
1005 $self->add_item ({ type => "button", text => "[ $text ]", activate => $cb });
1006}
1007
1008sub show {
1009 my ($self) = @_;
1010
1011 local $urxvt::popup::self = $self;
1012
1013 urxvt->new ("--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0,
1014 "--transient-for" => $self->{term}->parent,
1015 "-pe" => "urxvt-popup")
1016 or die "unable to create popup window\n";
1017}
1018
1019sub DESTROY {
1020 my ($self) = @_;
1021
1022 $self->{term}->ungrab;
1023}
926 1024
927=head2 The C<urxvt::timer> Class 1025=head2 The C<urxvt::timer> Class
928 1026
929This class implements timer watchers/events. Time is represented as a 1027This class implements timer watchers/events. Time is represented as a
930fractional number of seconds since the epoch. Example: 1028fractional number of seconds since the epoch. Example:

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