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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 1.30 by root, Wed Jan 4 05:35:34 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
164 172
165=item on_tty_activity $term *NYI* 173=item on_tty_activity $term *NYI*
166 174
167Called whenever the program(s) running in the urxvt window send output. 175Called whenever the program(s) running in the urxvt window send output.
168 176
177=item on_osc_seq $term, $string
178
179Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
180operating system command) is processed. Cursor position and other state
181information is up-to-date when this happens. For interoperability, the
182string should start with the extension name and a colon, to distinguish
183it from commands for other extensions, and this might be enforced in the
184future.
185
186Be careful not ever to trust (in a security sense) the data you receive,
187as its source can not easily be controleld (e-mail content, messages from
188other users on the same system etc.).
189
169=item on_refresh_begin $term 190=item on_refresh_begin $term
170 191
171Called just before the screen gets redrawn. Can be used for overlay 192Called just before the screen gets redrawn. Can be used for overlay
172or similar effects by modify terminal contents in refresh_begin, and 193or similar effects by modify terminal contents in refresh_begin, and
173restoring them in refresh_end. The built-in overlay and selection display 194restoring them in refresh_end. The built-in overlay and selection display
183C<perl:string> action bound to it (see description of the B<keysym> 204C<perl:string> action bound to it (see description of the B<keysym>
184resource in the @@RXVT_NAME@@(1) manpage). 205resource in the @@RXVT_NAME@@(1) manpage).
185 206
186=back 207=back
187 208
209=head2 Variables in the C<urxvt> Package
210
211=over 4
212
213=item $urxvt::TERM
214
215The current terminal. Whenever a callback/Hook is bein executed, this
216variable stores the current C<urxvt::term> object.
217
218=back
219
188=head2 Functions in the C<urxvt> Package 220=head2 Functions in the C<urxvt> Package
189 221
190=over 4 222=over 4
191 223
192=item urxvt::fatal $errormessage 224=item urxvt::fatal $errormessage
265=cut 297=cut
266 298
267package urxvt; 299package urxvt;
268 300
269use strict; 301use strict;
302use Scalar::Util ();
270 303
271our $term; 304our $TERM;
272our @HOOKNAME; 305our @HOOKNAME;
273our $LIBDIR; 306our $LIBDIR;
274 307
275BEGIN { 308BEGIN {
276 urxvt->bootstrap; 309 urxvt->bootstrap;
301 my $name = $HOOKNAME[$htype]; 334 my $name = $HOOKNAME[$htype];
302 335
303 my $ref = $pkg->can ("on_" . lc $name) 336 my $ref = $pkg->can ("on_" . lc $name)
304 or next; 337 or next;
305 338
306 $term->{_hook}[$htype]{$ref*1} = $ref; 339 $TERM->{_hook}[$htype]{$pkg} = $ref;
307 $hook_count[$htype]++ 340 $hook_count[$htype]++
308 or set_should_invoke $htype, 1; 341 or set_should_invoke $htype, 1;
309 } 342 }
310} 343}
311 344
335 } 368 }
336} 369}
337 370
338# called by the rxvt core 371# called by the rxvt core
339sub invoke { 372sub invoke {
340 local $term = shift; 373 local $TERM = shift;
341 my $htype = shift; 374 my $htype = shift;
342 375
343 if ($htype == 0) { # INIT 376 if ($htype == 0) { # INIT
344 my @dirs = ((split /:/, $term->resource ("perl_lib")), "$LIBDIR/perl"); 377 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
345 378
346 for my $ext (split /:/, $term->resource ("perl_ext")) { 379 for my $ext (map { split /:/, $TERM->resource ("perl_ext_$_") } 1, 2) {
347 my @files = grep -f $_, map "$_/$ext", @dirs; 380 my @files = grep -f $_, map "$_/$ext", @dirs;
348 381
349 if (@files) { 382 if (@files) {
350 register_package script_package $files[0]; 383 register_package script_package $files[0];
351 } else { 384 } else {
352 warn "perl extension '$ext' not found in perl library search path\n"; 385 warn "perl extension '$ext' not found in perl library search path\n";
353 } 386 }
354 } 387 }
355 388
356 } elsif ($htype == 1) { # DESTROY 389 } elsif ($htype == 1) { # DESTROY
357 if (my $hook = $term->{_hook}) { 390 if (my $hook = $TERM->{_hook}) {
358 for my $htype (0..$#$hook) { 391 for my $htype (0..$#$hook) {
359 $hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} } 392 $hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
360 or set_should_invoke $htype, 0; 393 or set_should_invoke $htype, 0;
361 } 394 }
362 } 395 }
363 } 396 }
364 397
365 my $cb = $term->{_hook}[$htype] 398 my $cb = $TERM->{_hook}[$htype]
366 or return; 399 or return;
367 400
368 verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $term, @_) . ")" 401 verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
369 if $verbosity >= 10; 402 if $verbosity >= 10;
370 403
404 keys %$cb;
405
371 while (my ($k, $v) = each %$cb) { 406 while (my ($pkg, $cb) = each %$cb) {
372 return 1 if $v->($term, @_); 407 return 1
408 if $cb->(
409 $TERM->{$pkg} ||= do {
410 my $proxy = bless { }, urxvt::term::proxy::;
411 Scalar::Util::weaken ($proxy->{term} = $TERM);
412 $proxy
413 },
414 @_,
415 );
373 } 416 }
374 417
375 0 418 0
419}
420
421sub urxvt::term::proxy::AUTOLOAD {
422 $urxvt::term::proxy::AUTOLOAD =~ /:([^:]+)$/
423 or die "FATAL: \$AUTOLOAD '$urxvt::term::proxy::AUTOLOAD' unparsable";
424
425 eval qq{
426 sub $urxvt::term::proxy::AUTOLOAD {
427 my \$proxy = shift;
428 \$proxy->{term}->$1 (\@_)
429 }
430 1
431 } or die "FATAL: unable to compile method forwarder: $@";
432
433 goto &$urxvt::term::proxy::AUTOLOAD;
376} 434}
377 435
378=head2 The C<urxvt::term> Class 436=head2 The C<urxvt::term> Class
379 437
380=over 4 438=over 4
403 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont 461 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
404 borderLess color cursorBlink cursorUnderline cutchars delete_key 462 borderLess color cursorBlink cursorUnderline cutchars delete_key
405 display_name embed ext_bwidth fade font geometry hold iconName 463 display_name embed ext_bwidth fade font geometry hold iconName
406 imFont imLocale inputMethod insecure int_bwidth intensityStyles 464 imFont imLocale inputMethod insecure int_bwidth intensityStyles
407 italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier 465 italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier
408 mouseWheelScrollPage name pastableTabs path perl_eval perl_ext 466 mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2
409 perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd 467 perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd
410 reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating 468 reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating
411 scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput 469 scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput
412 scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle 470 scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle
413 shade term_name title transparent transparent_all tripleclickwords 471 shade term_name title transparent transparent_all tripleclickwords
542=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]]) 600=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
543 601
544Returns the text of the entire row with number C<$row_number>. Row C<0> 602Returns 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 603is 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 604terminal line. The scrollback buffer starts at line C<-1> and extends to
547line C<< -$term->nsaved >>. 605line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line
606is requested.
548 607
549If C<$new_text> is specified, it will replace characters in the current 608If C<$new_text> is specified, it will replace characters in the current
550line, starting at column C<$start_col> (default C<0>), which is useful 609line, starting at column C<$start_col> (default C<0>), which is useful
551to replace only parts of a line. The font index in the rendition will 610to replace only parts of a line. The font index in the rendition will
552automatically be updated. 611automatically be updated.
574 633
575See the section on RENDITION, above. 634See the section on RENDITION, above.
576 635
577=item $length = $term->ROW_l ($row_number[, $new_length]) 636=item $length = $term->ROW_l ($row_number[, $new_length])
578 637
579Returns the number of screen cells that are in use ("the line length"). If 638Returns 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 639length"). 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. 640line is joined with the following one.
582 641
642=item $bool = $term->is_longer ($row_number)
643
644Returns true if the row is part of a multiple-row logical "line" (i.e.
645joined with the following row), which means all characters are in use
646and it is continued on the next row (and possibly a continuation of the
647previous row(s)).
648
649=item $line = $term->line ($row_number)
650
651Create and return a new C<urxvt::line> object that stores information
652about the logical line that row C<$row_number> is part of. It supports the
653following methods:
654
655=over 4
656
657=item $text = $line->t
658
659Returns the full text of the line, similar to C<ROW_t>
660
661=item $rend = $line->r
662
663Returns the full rendition array of the line, similar to C<ROW_r>
664
665=item $length = $line->l
666
667Returns the length of the line in cells, similar to C<ROW_l>.
668
669=item $rownum = $line->beg
670
671=item $rownum = $line->end
672
673Return the row number of the first/last row of the line, respectively.
674
675=item $offset = $line->offset_of ($row, $col)
676
677Returns the character offset of the given row|col pair within the logical
678line.
679
680=item ($row, $col) = $line->coord_of ($offset)
681
682Translates a string offset into terminal coordinates again.
683
684=back
685
686=cut
687
688sub urxvt::term::line {
689 my ($self, $row) = @_;
690
691 my $maxrow = $self->nrow - 1;
692
693 my ($beg, $end) = ($row, $row);
694
695 --$beg while $self->ROW_is_longer ($beg - 1);
696 ++$end while $self->ROW_is_longer ($end) && $end < $maxrow;
697
698 bless {
699 term => $self,
700 beg => $beg,
701 end => $end,
702 len => ($end - $beg) * $self->ncol + $self->ROW_l ($end),
703 }, urxvt::line::
704}
705
706sub urxvt::line::t {
707 my ($self) = @_;
708
709 substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),
710 0, $self->{len}
711}
712
713sub urxvt::line::r {
714 my ($self) = @_;
715
716 my $rend = [
717 map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}
718 ];
719 $#$rend = $self->{len} - 1;
720 $rend
721}
722
723sub urxvt::line::beg { $_[0]{beg} }
724sub urxvt::line::end { $_[0]{end} }
725sub urxvt::line::l { $_[0]{len} }
726
727sub urxvt::line::offset_of {
728 my ($self, $row, $col) = @_;
729
730 ($row - $self->{beg}) * $self->{term}->ncol + $col
731}
732
733sub urxvt::line::coord_of {
734 my ($self, $offset) = @_;
735
736 use integer;
737
738 (
739 $offset / $self->{term}->ncol + $self->{beg},
740 $offset % $self->{term}->ncol
741 )
742}
743
744=item ($row, $col) = $line->coord_of ($offset)
583=item $text = $term->special_encode $string 745=item $text = $term->special_encode $string
584 746
585Converts a perl string into the special encoding used by rxvt-unicode, 747Converts a perl string into the special encoding used by rxvt-unicode,
586where one character corresponds to one screen cell. See 748where one character corresponds to one screen cell. See
587C<< $term->ROW_t >> for details. 749C<< $term->ROW_t >> for details.
701This variable controls the verbosity level of the perl extension. Higher 863This variable controls the verbosity level of the perl extension. Higher
702numbers indicate more verbose output. 864numbers indicate more verbose output.
703 865
704=over 4 866=over 4
705 867
706=item 0 - only fatal messages 868=item =0 - only fatal messages
707 869
708=item 3 - script loading and management 870=item =3 - script loading and management
709 871
710=item 10 - all events received 872=item =10 - all events received
711 873
712=back 874=back
713 875
714=head1 AUTHOR 876=head1 AUTHOR
715 877

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