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Comparing rxvt-unicode/src/urxvt.pm (file contents):
Revision 1.22 by root, Tue Jan 3 19:10:54 2006 UTC vs.
Revision 1.26 by root, Tue Jan 3 21:22:22 2006 UTC

39 39
40=over 4 40=over 4
41 41
42=item selection 42=item selection
43 43
44Intelligent selection. This etxension tries to be more intelligent when the user 44Intelligent selection. This extension tries to be more intelligent when
45extends selections (double-click). 45the user extends selections (double-click). Right now, it tries to select
46urls and complete shell-quoted arguments, which is very convenient, too,
47if your F<ls> supports C<--quoting-style=shell>.
46 48
47It also offers the following bindable event: 49It also offers the following bindable event:
48 50
49=over 4 51=over 4
50 52
71=head2 General API Considerations 73=head2 General API Considerations
72 74
73All objects (such as terminals, time watchers etc.) are typical 75All objects (such as terminals, time watchers etc.) are typical
74reference-to-hash objects. The hash can be used to store anything you 76reference-to-hash objects. The hash can be used to store anything you
75like. All members starting with an underscore (such as C<_ptr> or 77like. All members starting with an underscore (such as C<_ptr> or
76C<_hook>) are reserved for internal uses and must not be accessed or 78C<_hook>) are reserved for internal uses and B<MUST NOT> be accessed or
77modified). 79modified).
78 80
79When objects are destroyed on the C++ side, the perl object hashes are 81When objects are destroyed on the C++ side, the perl object hashes are
80emptied, so its best to store related objects such as time watchers and 82emptied, so its best to store related objects such as time watchers and
81the like inside the terminal object so they get destroyed as soon as the 83the like inside the terminal object so they get destroyed as soon as the
82terminal is destroyed. 84terminal is destroyed.
83 85
84=head2 Hooks 86=head2 Hooks
85 87
86The following subroutines can be declared in loaded scripts, and will be called 88The following subroutines can be declared in loaded scripts, and will be
87whenever the relevant event happens. 89called whenever the relevant event happens.
90
91The first argument passed to them is an object private to each terminal
92and extension package. You can call all C<urxvt::term> methods on it, but
93its not a real C<urxvt::term> object. Instead, the real C<urxvt::term>
94object that is shared between all packages is stored in the C<term>
95member.
88 96
89All of them must return a boolean value. If it is true, then the event 97All of them must return a boolean value. If it is true, then the event
90counts as being I<consumed>, and the invocation of other hooks is skipped, 98counts as being I<consumed>, and the invocation of other hooks is skipped,
91and the relevant action might not be carried out by the C++ code. 99and the relevant action might not be carried out by the C++ code.
92 100
183C<perl:string> action bound to it (see description of the B<keysym> 191C<perl:string> action bound to it (see description of the B<keysym>
184resource in the @@RXVT_NAME@@(1) manpage). 192resource in the @@RXVT_NAME@@(1) manpage).
185 193
186=back 194=back
187 195
196=head2 Variables in the C<urxvt> Package
197
198=over 4
199
200=item $urxvt::TERM
201
202The current terminal. Whenever a callback/Hook is bein executed, this
203variable stores the current C<urxvt::term> object.
204
205=back
206
188=head2 Functions in the C<urxvt> Package 207=head2 Functions in the C<urxvt> Package
189 208
190=over 4 209=over 4
191 210
192=item urxvt::fatal $errormessage 211=item urxvt::fatal $errormessage
265=cut 284=cut
266 285
267package urxvt; 286package urxvt;
268 287
269use strict; 288use strict;
289use Scalar::Util ();
270 290
271our $term; 291our $TERM;
272our @HOOKNAME; 292our @HOOKNAME;
273our $LIBDIR; 293our $LIBDIR;
274 294
275BEGIN { 295BEGIN {
276 urxvt->bootstrap; 296 urxvt->bootstrap;
301 my $name = $HOOKNAME[$htype]; 321 my $name = $HOOKNAME[$htype];
302 322
303 my $ref = $pkg->can ("on_" . lc $name) 323 my $ref = $pkg->can ("on_" . lc $name)
304 or next; 324 or next;
305 325
306 $term->{_hook}[$htype]{$ref*1} = $ref; 326 $TERM->{_hook}[$htype]{$pkg} = $ref;
307 $hook_count[$htype]++ 327 $hook_count[$htype]++
308 or set_should_invoke $htype, 1; 328 or set_should_invoke $htype, 1;
309 } 329 }
310} 330}
311 331
335 } 355 }
336} 356}
337 357
338# called by the rxvt core 358# called by the rxvt core
339sub invoke { 359sub invoke {
340 local $term = shift; 360 local $TERM = shift;
341 my $htype = shift; 361 my $htype = shift;
342 362
343 if ($htype == 0) { # INIT 363 if ($htype == 0) { # INIT
344 my @dirs = ((split /:/, $term->resource ("perl_lib")), "$LIBDIR/perl"); 364 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
345 365
346 for my $ext (split /:/, $term->resource ("perl_ext")) { 366 for my $ext (split /:/, $TERM->resource ("perl_ext")) {
347 my @files = grep -f $_, map "$_/$ext", @dirs; 367 my @files = grep -f $_, map "$_/$ext", @dirs;
348 368
349 if (@files) { 369 if (@files) {
350 register_package script_package $files[0]; 370 register_package script_package $files[0];
351 } else { 371 } else {
352 warn "perl extension '$ext' not found in perl library search path\n"; 372 warn "perl extension '$ext' not found in perl library search path\n";
353 } 373 }
354 } 374 }
355 375
356 } elsif ($htype == 1) { # DESTROY 376 } elsif ($htype == 1) { # DESTROY
357 if (my $hook = $term->{_hook}) { 377 if (my $hook = $TERM->{_hook}) {
358 for my $htype (0..$#$hook) { 378 for my $htype (0..$#$hook) {
359 $hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} } 379 $hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
360 or set_should_invoke $htype, 0; 380 or set_should_invoke $htype, 0;
361 } 381 }
362 } 382 }
363 } 383 }
364 384
365 my $cb = $term->{_hook}[$htype] 385 my $cb = $TERM->{_hook}[$htype]
366 or return; 386 or return;
367 387
368 verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $term, @_) . ")" 388 verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
369 if $verbosity >= 10; 389 if $verbosity >= 10;
370 390
391 keys %$cb;
392
371 while (my ($k, $v) = each %$cb) { 393 while (my ($pkg, $cb) = each %$cb) {
372 return 1 if $v->($term, @_); 394 return 1
395 if $cb->(
396 $TERM->{$pkg} ||= do {
397 my $proxy = bless { }, urxvt::term::proxy::;
398 Scalar::Util::weaken ($proxy->{term} = $TERM);
399 $proxy
400 },
401 @_,
402 );
373 } 403 }
374 404
375 0 405 0
406}
407
408sub urxvt::term::proxy::AUTOLOAD {
409 $urxvt::term::proxy::AUTOLOAD =~ /:([^:]+)$/
410 or die "FATAL: \$AUTOLOAD '$urxvt::term::proxy::AUTOLOAD' unparsable";
411
412 eval qq{
413 sub $urxvt::term::proxy::AUTOLOAD {
414 my \$proxy = shift;
415 \$proxy->{term}->$1 (\@_)
416 }
417 1
418 } or die "FATAL: unable to compile method forwarder: $@";
419
420 goto &$urxvt::term::proxy::AUTOLOAD;
376} 421}
377 422
378=head2 The C<urxvt::term> Class 423=head2 The C<urxvt::term> Class
379 424
380=over 4 425=over 4
542=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]]) 587=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
543 588
544Returns the text of the entire row with number C<$row_number>. Row C<0> 589Returns the text of the entire row with number C<$row_number>. Row C<0>
545is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost 590is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost
546terminal line. The scrollback buffer starts at line C<-1> and extends to 591terminal line. The scrollback buffer starts at line C<-1> and extends to
547line C<< -$term->nsaved >>. 592line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line
593is requested.
548 594
549If C<$new_text> is specified, it will replace characters in the current 595If C<$new_text> is specified, it will replace characters in the current
550line, starting at column C<$start_col> (default C<0>), which is useful 596line, starting at column C<$start_col> (default C<0>), which is useful
551to replace only parts of a line. The font index in the rendition will 597to replace only parts of a line. The font index in the rendition will
552automatically be updated. 598automatically be updated.
574 620
575See the section on RENDITION, above. 621See the section on RENDITION, above.
576 622
577=item $length = $term->ROW_l ($row_number[, $new_length]) 623=item $length = $term->ROW_l ($row_number[, $new_length])
578 624
579Returns the number of screen cells that are in use ("the line length"). If 625Returns the number of screen cells that are in use ("the line
580it is C<-1>, then the line is part of a multiple-row logical "line", which 626length"). Unlike the urxvt core, this returns C<< $term->ncol >> if the
581means all characters are in use and it is continued on the next row. 627line is joined with the following one.
582 628
629=item $bool = $term->is_longer ($row_number)
630
631Returns true if the row is part of a multiple-row logical "line" (i.e.
632joined with the following row), which means all characters are in use
633and it is continued on the next row (and possibly a continuation of the
634previous row(s)).
635
636=item $line = $term->line ($row_number)
637
638Create and return a new C<urxvt::line> object that stores information
639about the logical line that row C<$row_number> is part of. It supports the
640following methods:
641
642=over 4
643
644=item $text = $line->t
645
646Returns the full text of the line, similar to C<ROW_t>
647
648=item $rend = $line->r
649
650Returns the full rendition array of the line, similar to C<ROW_r>
651
652=item $length = $line->l
653
654Returns the length of the line in cells, similar to C<ROW_l>.
655
656=item $rownum = $line->beg
657
658=item $rownum = $line->end
659
660Return the row number of the first/last row of the line, respectively.
661
662=item $offset = $line->offset_of ($row, $col)
663
664Returns the character offset of the given row|col pair within the logical
665line.
666
667=item ($row, $col) = $line->coord_of ($offset)
668
669Translates a string offset into terminal coordinates again.
670
671=back
672
673=cut
674
675sub urxvt::term::line {
676 my ($self, $row) = @_;
677
678 my $maxrow = $self->nrow - 1;
679
680 my ($beg, $end) = ($row, $row);
681
682 --$beg while $self->ROW_is_longer ($beg - 1);
683 ++$end while $self->ROW_is_longer ($end) && $end < $maxrow;
684
685 bless {
686 term => $self,
687 beg => $beg,
688 end => $end,
689 len => ($end - $beg) * $self->ncol + $self->ROW_l ($end),
690 }, urxvt::line::
691}
692
693sub urxvt::line::t {
694 my ($self) = @_;
695
696 substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),
697 0, $self->{len}
698}
699
700sub urxvt::line::r {
701 my ($self) = @_;
702
703 my $rend = [
704 map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}
705 ];
706 $#$rend = $self->{len} - 1;
707 $rend
708}
709
710sub urxvt::line::beg { $_[0]{beg} }
711sub urxvt::line::end { $_[0]{end} }
712sub urxvt::line::l { $_[0]{len} }
713
714sub urxvt::line::offset_of {
715 my ($self, $row, $col) = @_;
716
717 ($row - $self->{beg}) * $self->{term}->ncol + $col
718}
719
720sub urxvt::line::coord_of {
721 my ($self, $offset) = @_;
722
723 use integer;
724
725 (
726 $offset / $self->{term}->ncol + $self->{beg},
727 $offset % $self->{term}->ncol
728 )
729}
730
731=item ($row, $col) = $line->coord_of ($offset)
583=item $text = $term->special_encode $string 732=item $text = $term->special_encode $string
584 733
585Converts a perl string into the special encoding used by rxvt-unicode, 734Converts a perl string into the special encoding used by rxvt-unicode,
586where one character corresponds to one screen cell. See 735where one character corresponds to one screen cell. See
587C<< $term->ROW_t >> for details. 736C<< $term->ROW_t >> for details.

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