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Revision 1.16 by root, Tue Jan 3 01:41:06 2006 UTC vs.
Revision 1.30 by root, Wed Jan 4 05:35:34 2006 UTC

1=encoding utf8
2
1=head1 NAME 3=head1 NAME
2 4
3@@RXVT_NAME@@perl - rxvt-unicode's embedded perl interpreter 5@@RXVT_NAME@@perl - rxvt-unicode's embedded perl interpreter
4 6
5=head1 SYNOPSIS 7=head1 SYNOPSIS
24thus must be encoded as UTF-8. 26thus must be encoded as UTF-8.
25 27
26Each 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
27scripts will be shared (but not enabled) for all terminals. 29scripts will be shared (but not enabled) for all terminals.
28 30
29=head1 PACKAGED EXTENSIONS 31=head2 Prepackaged Extensions
30 32
31This section describes the extensiosn delivered with this version. You can 33This section describes the extensiosn delivered with this version. You can
32find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>. 34find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>.
33 35
34You can activate them like this: 36You can activate them like this:
37 39
38=over 4 40=over 4
39 41
40=item selection 42=item selection
41 43
42Miscellaneous selection modifications. 44Intelligent selection. This extension tries to be more intelligent when
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>.
48
49It also offers the following bindable event:
43 50
44=over 4 51=over 4
45 52
46=item rot13 53=item rot13
47 54
50 URxvt.keysym.C-M-r: perl:selection:rot13 57 URxvt.keysym.C-M-r: perl:selection:rot13
51 58
52=back 59=back
53 60
54=item digital-clock 61=item digital-clock
62
63Displays a digital clock using the built-in overlay.
64
65=item example-refresh-hooks
55 66
56Displays a very simple digital clock in the upper right corner of the 67Displays a very simple digital clock in the upper right corner of the
57window. Illustrates overwriting the refresh callbacks to create your own 68window. Illustrates overwriting the refresh callbacks to create your own
58overlays or changes. 69overlays or changes.
59 70
60=item simple-overlay-clock
61
62Displays a digital clock using the built-in overlay (colorful, useless).
63
64=back 71=back
65 72
66=head2 General API Considerations 73=head2 General API Considerations
67 74
68All objects (such as terminals, time watchers etc.) are typical 75All objects (such as terminals, time watchers etc.) are typical
69reference-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
70like. All members starting with an underscore (such as C<_ptr> or 77like. All members starting with an underscore (such as C<_ptr> or
71C<_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
72modified). 79modified).
73 80
74When 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
75emptied, 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
76the 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
77terminal is destroyed. 84terminal is destroyed.
78 85
79=head2 Hooks 86=head2 Hooks
80 87
81The following subroutines can be declared in loaded scripts, and will be called 88The following subroutines can be declared in loaded scripts, and will be
82whenever 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.
83 96
84All 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
85counts 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,
86and 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.
87 100
120requested from the server. The selection text can be queried and changed 133requested from the server. The selection text can be queried and changed
121by calling C<< $term->selection >>. 134by calling C<< $term->selection >>.
122 135
123Returning a true value aborts selection grabbing. It will still be hilighted. 136Returning a true value aborts selection grabbing. It will still be hilighted.
124 137
138=item on_sel_extend $term
139
140Called whenever the user tries to extend the selection (e.g. with a double
141click) and is either supposed to return false (normal operation), or
142should extend the selection itelf and return true to suppress the built-in
143processing.
144
145See the F<selection> example extension.
146
125=item on_focus_in $term 147=item on_focus_in $term
126 148
127Called whenever the window gets the keyboard focus, before urxvt does 149Called whenever the window gets the keyboard focus, before urxvt does
128focus in processing. 150focus in processing.
129 151
149number of lines that will be in the scrollback buffer. 171number of lines that will be in the scrollback buffer.
150 172
151=item on_tty_activity $term *NYI* 173=item on_tty_activity $term *NYI*
152 174
153Called whenever the program(s) running in the urxvt window send output. 175Called whenever the program(s) running in the urxvt window send output.
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.).
154 189
155=item on_refresh_begin $term 190=item on_refresh_begin $term
156 191
157Called just before the screen gets redrawn. Can be used for overlay 192Called just before the screen gets redrawn. Can be used for overlay
158or similar effects by modify terminal contents in refresh_begin, and 193or similar effects by modify terminal contents in refresh_begin, and
169C<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>
170resource in the @@RXVT_NAME@@(1) manpage). 205resource in the @@RXVT_NAME@@(1) manpage).
171 206
172=back 207=back
173 208
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
174=head2 Functions in the C<urxvt> Package 220=head2 Functions in the C<urxvt> Package
175 221
176=over 4 222=over 4
177 223
178=item urxvt::fatal $errormessage 224=item urxvt::fatal $errormessage
192 238
193=item $time = urxvt::NOW 239=item $time = urxvt::NOW
194 240
195Returns the "current time" (as per the event loop). 241Returns the "current time" (as per the event loop).
196 242
243=back
244
245=head2 RENDITION
246
247Rendition bitsets contain information about colour, font, font styles and
248similar information for each screen cell.
249
250The following "macros" deal with changes in rendition sets. You should
251never just create a bitset, you should always modify an existing one,
252as they contain important information required for correct operation of
253rxvt-unicode.
254
255=over 4
256
257=item $rend = urxvt::DEFAULT_RSTYLE
258
259Returns the default rendition, as used when the terminal is starting up or
260being reset. Useful as a base to start when creating renditions.
261
262=item $rend = urxvt::OVERLAY_RSTYLE
263
264Return the rendition mask used for overlays by default.
265
266=item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline
267
268Return the bit that enabled bold, italic, blink, reverse-video and
269underline, respectively. To enable such a style, just logically OR it into
270the bitset.
271
272=item $foreground = urxvt::GET_BASEFG $rend
273
274=item $background = urxvt::GET_BASEBG $rend
275
276Return the foreground/background colour index, respectively.
277
278=item $rend = urxvt::SET_FGCOLOR ($rend, $new_colour)
279
280=item $rend = urxvt::SET_BGCOLOR ($rend, $new_colour)
281
282Replace the foreground/background colour in the rendition mask with the
283specified one.
284
285=item $value = urxvt::GET_CUSTOM ($rend)
286
287Return the "custom" value: Every rendition has 5 bits for use by
288extensions. They can be set and changed as you like and are initially
289zero.
290
291=item $rend = urxvt::SET_CUSTOM ($rend, $new_value)
292
293Change the custom value.
294
295=back
296
197=cut 297=cut
198 298
199package urxvt; 299package urxvt;
200 300
201use strict; 301use strict;
302use Scalar::Util ();
202 303
203our $term; 304our $TERM;
204our @HOOKNAME; 305our @HOOKNAME;
205our $LIBDIR; 306our $LIBDIR;
206 307
207BEGIN { 308BEGIN {
208 urxvt->bootstrap; 309 urxvt->bootstrap;
233 my $name = $HOOKNAME[$htype]; 334 my $name = $HOOKNAME[$htype];
234 335
235 my $ref = $pkg->can ("on_" . lc $name) 336 my $ref = $pkg->can ("on_" . lc $name)
236 or next; 337 or next;
237 338
238 $term->{_hook}[$htype]{$ref*1} = $ref; 339 $TERM->{_hook}[$htype]{$pkg} = $ref;
239 $hook_count[$htype]++ 340 $hook_count[$htype]++
240 or set_should_invoke $htype, 1; 341 or set_should_invoke $htype, 1;
241 } 342 }
242} 343}
243 344
267 } 368 }
268} 369}
269 370
270# called by the rxvt core 371# called by the rxvt core
271sub invoke { 372sub invoke {
272 local $term = shift; 373 local $TERM = shift;
273 my $htype = shift; 374 my $htype = shift;
274 375
275 if ($htype == 0) { # INIT 376 if ($htype == 0) { # INIT
276 my @dirs = ((split /:/, $term->resource ("perl_lib")), "$LIBDIR/perl"); 377 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
277 378
278 for my $ext (split /:/, $term->resource ("perl_ext")) { 379 for my $ext (map { split /:/, $TERM->resource ("perl_ext_$_") } 1, 2) {
279 my @files = grep -f $_, map "$_/$ext", @dirs; 380 my @files = grep -f $_, map "$_/$ext", @dirs;
280 381
281 if (@files) { 382 if (@files) {
282 register_package script_package $files[0]; 383 register_package script_package $files[0];
283 } else { 384 } else {
284 warn "perl extension '$ext' not found in perl library search path\n"; 385 warn "perl extension '$ext' not found in perl library search path\n";
285 } 386 }
286 } 387 }
287 388
288 } elsif ($htype == 1) { # DESTROY 389 } elsif ($htype == 1) { # DESTROY
289 if (my $hook = $term->{_hook}) { 390 if (my $hook = $TERM->{_hook}) {
290 for my $htype (0..$#$hook) { 391 for my $htype (0..$#$hook) {
291 $hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} } 392 $hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
292 or set_should_invoke $htype, 0; 393 or set_should_invoke $htype, 0;
293 } 394 }
294 } 395 }
295 } 396 }
296 397
297 my $cb = $term->{_hook}[$htype] 398 my $cb = $TERM->{_hook}[$htype]
298 or return; 399 or return;
299 400
300 verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $term, @_) . ")" 401 verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
301 if $verbosity >= 10; 402 if $verbosity >= 10;
302 403
404 keys %$cb;
405
303 while (my ($k, $v) = each %$cb) { 406 while (my ($pkg, $cb) = each %$cb) {
304 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 );
305 } 416 }
306 417
307 0 418 0
308} 419}
309 420
310=back 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;
434}
311 435
312=head2 The C<urxvt::term> Class 436=head2 The C<urxvt::term> Class
313 437
314=over 4 438=over 4
315 439
337 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont 461 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
338 borderLess color cursorBlink cursorUnderline cutchars delete_key 462 borderLess color cursorBlink cursorUnderline cutchars delete_key
339 display_name embed ext_bwidth fade font geometry hold iconName 463 display_name embed ext_bwidth fade font geometry hold iconName
340 imFont imLocale inputMethod insecure int_bwidth intensityStyles 464 imFont imLocale inputMethod insecure int_bwidth intensityStyles
341 italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier 465 italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier
342 mouseWheelScrollPage name pastableTabs path perl_eval perl_ext 466 mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2
343 perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd 467 perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd
344 reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating 468 reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating
345 scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput 469 scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput
346 scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle 470 scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle
347 shade term_name title transparent transparent_all tripleclickwords 471 shade term_name title transparent transparent_all tripleclickwords
371 495
372=item $oldtext = $term->selection ([$newtext]) 496=item $oldtext = $term->selection ([$newtext])
373 497
374Return the current selection text and optionally replace it by C<$newtext>. 498Return the current selection text and optionally replace it by C<$newtext>.
375 499
376=item $term->scr_overlay ($x, $y, $text) 500#=item $term->overlay ($x, $y, $text)
377 501#
378Create a simple multi-line overlay box. See the next method for details. 502#Create a simple multi-line overlay box. See the next method for details.
379 503#
380=cut 504#=cut
381 505
382sub urxvt::term::scr_overlay { 506sub urxvt::term::scr_overlay {
507die;
383 my ($self, $x, $y, $text) = @_; 508 my ($self, $x, $y, $text) = @_;
384 509
385 my @lines = split /\n/, $text; 510 my @lines = split /\n/, $text;
386 511
387 my $w = 0; 512 my $w = 0;
391 516
392 $self->scr_overlay_new ($x, $y, $w, scalar @lines); 517 $self->scr_overlay_new ($x, $y, $w, scalar @lines);
393 $self->scr_overlay_set (0, $_, $lines[$_]) for 0.. $#lines; 518 $self->scr_overlay_set (0, $_, $lines[$_]) for 0.. $#lines;
394} 519}
395 520
396=item $term->scr_overlay_new ($x, $y, $width, $height) 521=item $term->overlay ($x, $y, $width, $height[, $rstyle[, $border]])
397 522
398Create a new (empty) overlay at the given position with the given 523Create a new (empty) overlay at the given position with the given
399width/height. A border will be put around the box. If either C<$x> or 524width/height. C<$rstyle> defines the initial rendition style
400C<$y> is negative, then this is counted from the right/bottom side, 525(default: C<OVERLAY_RSTYLE>).
401respectively.
402 526
403=item $term->scr_overlay_off 527If C<$border> is C<2> (default), then a decorative border will be put
528around the box.
404 529
405Switch the overlay off again. 530If either C<$x> or C<$y> is negative, then this is counted from the
531right/bottom side, respectively.
406 532
407=item $term->scr_overlay_set_char ($x, $y, $char, $rend = OVERLAY_RSTYLE) 533This method returns an urxvt::overlay object. The overlay will be visible
534as long as the perl object is referenced.
408 535
409Put a single character (specified numerically) at the given overlay 536The methods currently supported on C<urxvt::overlay> objects are:
410position.
411 537
538=over 4
539
412=item $term->scr_overlay_set ($x, $y, $text) 540=item $overlay->set ($x, $y, $text, $rend)
413 541
414Write a string at the given position into the overlay. 542Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts
543text in rxvt-unicode's special encoding and an array of rendition values
544at a specific position inside the overlay.
545
546=item $overlay->hide
547
548If visible, hide the overlay, but do not destroy it.
549
550=item $overlay->show
551
552If hidden, display the overlay again.
553
554=back
415 555
416=item $cellwidth = $term->strwidth $string 556=item $cellwidth = $term->strwidth $string
417 557
418Returns the number of screen-cells this string would need. Correctly 558Returns the number of screen-cells this string would need. Correctly
419accounts for wide and combining characters. 559accounts for wide and combining characters.
460=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]]) 600=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
461 601
462Returns the text of the entire row with number C<$row_number>. Row C<0> 602Returns the text of the entire row with number C<$row_number>. Row C<0>
463is 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
464terminal 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
465line C<< -$term->nsaved >>. 605line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line
606is requested.
466 607
467If 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
468line, 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
469to replace only parts of a line. The font iindex in the rendition will 610to replace only parts of a line. The font index in the rendition will
470automatically be updated. 611automatically be updated.
471 612
472C<$text> is in a special encoding: tabs and wide characters that use more 613C<$text> is in a special encoding: tabs and wide characters that use more
473than one cell when displayed are padded with urxvt::NOCHAR characters 614than one cell when displayed are padded with urxvt::NOCHAR characters
474(C<chr 65535>). Characters with combining characters and other characters 615(C<chr 65535>). Characters with combining characters and other characters
488bitsets. Rendition bitsets contain information about colour, font, font 629bitsets. Rendition bitsets contain information about colour, font, font
489styles and similar information. See also C<< $term->ROW_t >>. 630styles and similar information. See also C<< $term->ROW_t >>.
490 631
491When setting rendition, the font mask will be ignored. 632When setting rendition, the font mask will be ignored.
492 633
493See the section on RENDITION, below. 634See the section on RENDITION, above.
494 635
495=item $length = $term->ROW_l ($row_number[, $new_length]) 636=item $length = $term->ROW_l ($row_number[, $new_length])
496 637
497Returns 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
498it 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
499means all characters are in use and it is continued on the next row. 640line is joined with the following one.
500 641
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)
501=item $text = $term->special_encode $string 745=item $text = $term->special_encode $string
502 746
503Converts a perl string into the special encoding used by rxvt-unicode, 747Converts a perl string into the special encoding used by rxvt-unicode,
504where one character corresponds to one screen cell. See 748where one character corresponds to one screen cell. See
505C<< $term->ROW_t >> for details. 749C<< $term->ROW_t >> for details.
509Converts rxvt-unicodes text reprsentation into a perl string. See 753Converts rxvt-unicodes text reprsentation into a perl string. See
510C<< $term->ROW_t >> for details. 754C<< $term->ROW_t >> for details.
511 755
512=back 756=back
513 757
514=head2 RENDITION
515
516Rendition bitsets contain information about colour, font, font styles and
517similar information for each screen cell.
518
519The following "macros" deal with changes in rendition sets. You should
520never just create a bitset, you should always modify an existing one,
521as they contain important information required for correct operation of
522rxvt-unicode.
523
524=over 4
525
526=item $rend = urxvt::DEFAULT_RSTYLE
527
528Returns the default rendition, as used when the terminal is starting up or
529being reset. Useful as a base
530
531=back
532
533=cut
534
535=head2 The C<urxvt::timer> Class 758=head2 The C<urxvt::timer> Class
536 759
537This class implements timer watchers/events. Time is represented as a 760This class implements timer watchers/events. Time is represented as a
538fractional number of seconds since the epoch. Example: 761fractional number of seconds since the epoch. Example:
539 762
540 # create a digital clock display in upper right corner 763 $term->{overlay} = $term->overlay (-1, 0, 8, 1, urxvt::OVERLAY_RSTYLE, 0);
541 $term->{timer} = urxvt::timer 764 $term->{timer} = urxvt::timer
542 ->new 765 ->new
543 ->start (urxvt::NOW) 766 ->interval (1)
544 ->cb (sub { 767 ->cb (sub {
545 my ($timer) = @_;
546 my $time = $timer->at;
547 $timer->start ($time + 1);
548 $self->scr_overlay (-1, 0, 768 $term->{overlay}->set (0, 0,
549 POSIX::strftime "%H:%M:%S", localtime $time); 769 sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
550 }); 770 });
551 771
552=over 4 772=over 4
553 773
554=item $timer = new urxvt::timer 774=item $timer = new urxvt::timer
555 775
556Create a new timer object in stopped state. 776Create a new timer object in started state. It is scheduled to fire
777immediately.
557 778
558=item $timer = $timer->cb (sub { my ($timer) = @_; ... }) 779=item $timer = $timer->cb (sub { my ($timer) = @_; ... })
559 780
560Set the callback to be called when the timer triggers. 781Set the callback to be called when the timer triggers.
561 782
564Return the time this watcher will fire next. 785Return the time this watcher will fire next.
565 786
566=item $timer = $timer->set ($tstamp) 787=item $timer = $timer->set ($tstamp)
567 788
568Set the time the event is generated to $tstamp. 789Set the time the event is generated to $tstamp.
790
791=item $timer = $timer->interval ($interval)
792
793Normally (and when C<$interval> is C<0>), the timer will automatically
794stop after it has fired once. If C<$interval> is non-zero, then the timer
795is automatically rescheduled at the given intervals.
569 796
570=item $timer = $timer->start 797=item $timer = $timer->start
571 798
572Start the timer. 799Start the timer.
573 800
636This variable controls the verbosity level of the perl extension. Higher 863This variable controls the verbosity level of the perl extension. Higher
637numbers indicate more verbose output. 864numbers indicate more verbose output.
638 865
639=over 4 866=over 4
640 867
641=item 0 - only fatal messages 868=item =0 - only fatal messages
642 869
643=item 3 - script loading and management 870=item =3 - script loading and management
644 871
645=item 10 - all events received 872=item =10 - all events received
646 873
647=back 874=back
648 875
649=head1 AUTHOR 876=head1 AUTHOR
650 877

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