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Revision 1.47 by root, Sat Jan 7 21:22:02 2006 UTC vs.
Revision 1.89 by root, Thu Jan 12 12:10:06 2006 UTC

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
29scripts will be shared (but not enabled) for all terminals. 29scripts will be shared (but not enabled) for all terminals.
30 30
31=head2 Prepackaged Extensions 31=head1 PREPACKAGED EXTENSIONS
32 32
33This section describes the extensiosn delivered with this version. You can 33This section describes the extensions delivered with this release. You can
34find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>. 34find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>.
35 35
36You can activate them like this: 36You can activate them like this:
37 37
38 @@RXVT_NAME@@ -pe <extensionname> 38 @@RXVT_NAME@@ -pe <extensionname>
39 39
40=over 4 40=over 4
41 41
42=item selection 42=item selection (enabled by default)
43 43
44Intelligent selection. This extension tries to be more intelligent when 44(More) intelligent selection. This extension tries to be more intelligent
45the user extends selections (double-click). Right now, it tries to select 45when the user extends selections (double-click and further clicks). Right
46urls and complete shell-quoted arguments, which is very convenient, too, 46now, it tries to select words, urls and complete shell-quoted
47if your F<ls> supports C<--quoting-style=shell>. 47arguments, which is very convenient, too, if your F<ls> supports
48C<--quoting-style=shell>.
48 49
49It also offers the following bindable event: 50A double-click usually selects the word under the cursor, further clicks
51will enlarge the selection.
52
53The selection works by trying to match a number of regexes and displaying
54them in increasing order of length. You can add your own regexes by
55specifying resources of the form:
56
57 URxvt.selection.pattern-0: perl-regex
58 URxvt.selection.pattern-1: perl-regex
59 ...
60
61The index number (0, 1...) must not have any holes, and each regex must
62contain at least one pair of capturing parentheses, which will be used for
63the match. For example, the followign adds a regex that matches everything
64between two vertical bars:
65
66 URxvt.selection.pattern-0: \\|([^|]+)\\|
67
68You can look at the source of the selection extension to see more
69interesting uses, such as parsing a line from beginning to end.
70
71This extension also offers the following bindable keyboard command:
50 72
51=over 4 73=over 4
52 74
53=item rot13 75=item rot13
54 76
56 78
57 URxvt.keysym.C-M-r: perl:selection:rot13 79 URxvt.keysym.C-M-r: perl:selection:rot13
58 80
59=back 81=back
60 82
61=item digital-clock 83=item option-popup (enabled by default)
62 84
63Displays a digital clock using the built-in overlay. 85Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at
86runtime.
87
88=item selection-popup (enabled by default)
89
90Binds a popup menu to Ctrl-Button3 that lets you convert the selection
91text into various other formats/action (such as uri unescaping, perl
92evalution, web-browser starting etc.), depending on content.
93
94=item searchable-scrollback<hotkey> (enabled by default)
95
96Adds regex search functionality to the scrollback buffer, triggered
97by a hotkey (default: C<M-s>). While in search mode, normal terminal
98input/output is suspended and a regex is displayed at the bottom of the
99screen.
100
101Inputting characters appends them to the regex and continues incremental
102search. C<BackSpace> removes a character from the regex, C<Up> and C<Down>
103search upwards/downwards in the scrollback buffer, C<End> jumps to the
104bottom. C<Escape> leaves search mode and returns to the point where search
105was started, while C<Enter> or C<Return> stay at the current position and
106additionally stores the first match in the current line into the primary
107selection.
108
109=item selection-autotransform
110
111This selection allows you to do automatic transforms on a selection
112whenever a selection is made.
113
114It works by specifying perl snippets (most useful is a single C<s///>
115operator) that modify C<$_> as resources:
116
117 URxvt.selection-autotransform.0: transform
118 URxvt.selection-autotransform.1: transform
119 ...
120
121For example, the following will transform selections of the form
122C<filename:number>, often seen in compiler messages, into C<vi +$filename
123$word>:
124
125 URxvt.selection-autotransform.0: s/^(\\S+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/
126
127And this example matches the same,but replaces it with vi-commands you can
128paste directly into your (vi :) editor:
129
130 URxvt.selection-autotransform.0: s/^(S+):(d+):?$/\\x1b:e \\Q$1\\E\\x0d:$2\\x0d/
64 131
65=item mark-urls 132=item mark-urls
66 133
67Uses per-line display filtering (C<on_line_update>) to underline urls. 134Uses per-line display filtering (C<on_line_update>) to underline urls and
135make them clickable. When middle-clicked, the program specified in the
136resource C<urlLauncher> (default C<x-www-browser>) will be started with
137the URL as first argument.
68 138
69=item block-graphics-to-ascii 139=item block-graphics-to-ascii
70 140
71A not very useful example of filtering all text output to the terminal, 141A not very useful example of filtering all text output to the terminal,
72by replacing all line-drawing characters (U+2500 .. U+259F) by a 142by replacing all line-drawing characters (U+2500 .. U+259F) by a
73similar-looking ascii character. 143similar-looking ascii character.
74 144
145=item digital-clock
146
147Displays a digital clock using the built-in overlay.
148
75=item example-refresh-hooks 149=item example-refresh-hooks
76 150
77Displays a very simple digital clock in the upper right corner of the 151Displays a very simple digital clock in the upper right corner of the
78window. Illustrates overwriting the refresh callbacks to create your own 152window. Illustrates overwriting the refresh callbacks to create your own
79overlays or changes. 153overlays or changes.
80 154
81=back 155=back
156
157=head1 API DOCUMENTATION
82 158
83=head2 General API Considerations 159=head2 General API Considerations
84 160
85All objects (such as terminals, time watchers etc.) are typical 161All objects (such as terminals, time watchers etc.) are typical
86reference-to-hash objects. The hash can be used to store anything you 162reference-to-hash objects. The hash can be used to store anything you
99=over 4 175=over 4
100 176
101=item $text 177=item $text
102 178
103Rxvt-unicodes special way of encoding text, where one "unicode" character 179Rxvt-unicodes special way of encoding text, where one "unicode" character
104always represents one screen cell. See L<row_t> for a discussion of this format. 180always represents one screen cell. See L<ROW_t> for a discussion of this format.
105 181
106=item $string 182=item $string
107 183
108A perl text string, with an emphasis on I<text>. It can store all unicode 184A perl text string, with an emphasis on I<text>. It can store all unicode
109characters and is to be distinguished with text encoded in a specific 185characters and is to be distinguished with text encoded in a specific
114Either binary data or - more common - a text string encoded in a 190Either binary data or - more common - a text string encoded in a
115locale-specific way. 191locale-specific way.
116 192
117=back 193=back
118 194
195=head2 Extension Objects
196
197Very perl extension is a perl class. A separate perl object is created
198for each terminal and each extension and passed as the first parameter to
199hooks. So extensions can use their C<$self> object without having to think
200about other extensions, with the exception of methods and members that
201begin with an underscore character C<_>: these are reserved for internal
202use.
203
204Although it isn't a C<urxvt::term> object, you can call all methods of the
205C<urxvt::term> class on this object.
206
207It has the following methods and data members:
208
209=over 4
210
211=item $urxvt_term = $self->{term}
212
213Returns the C<urxvt::term> object associated with this instance of the
214extension. This member I<must not> be changed in any way.
215
216=item $self->enable ($hook_name => $cb, [$hook_name => $cb..])
217
218Dynamically enable the given hooks (named without the C<on_> prefix) for
219this extension, replacing any previous hook. This is useful when you want
220to overwrite time-critical hooks only temporarily.
221
222=item $self->disable ($hook_name[, $hook_name..])
223
224Dynamically disable the given hooks.
225
226=back
227
119=head2 Hooks 228=head2 Hooks
120 229
121The following subroutines can be declared in extension files, and will be 230The following subroutines can be declared in extension files, and will be
122called whenever the relevant event happens. 231called whenever the relevant event happens.
123 232
124The first argument passed to them is an object private to each terminal 233The first argument passed to them is an extension oject as described in
125and extension package. You can call all C<urxvt::term> methods on it, but 234the in the C<Extension Objects> section.
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>
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.
130 235
131All of them must return a boolean value. If it is true, then the event 236B<All> of these hooks must return a boolean value. If it is true, then the
132counts as being I<consumed>, and the invocation of other hooks is skipped, 237event counts as being I<consumed>, and the invocation of other hooks is
133and the relevant action might not be carried out by the C++ code. 238skipped, and the relevant action might not be carried out by the C++ code.
134 239
135When in doubt, return a false value (preferably C<()>). 240I<< When in doubt, return a false value (preferably C<()>). >>
136 241
137=over 4 242=over 4
138 243
139=item on_init $term 244=item on_init $term
140 245
175=item on_sel_extend $term 280=item on_sel_extend $term
176 281
177Called whenever the user tries to extend the selection (e.g. with a double 282Called whenever the user tries to extend the selection (e.g. with a double
178click) and is either supposed to return false (normal operation), or 283click) and is either supposed to return false (normal operation), or
179should extend the selection itelf and return true to suppress the built-in 284should extend the selection itelf and return true to suppress the built-in
180processing. 285processing. This can happen multiple times, as long as the callback
286returns true, it will be called on every further click by the user and is
287supposed to enlarge the selection more and more, if possible.
181 288
182See the F<selection> example extension. 289See the F<selection> example extension.
183 290
184=item on_view_change $term, $offset 291=item on_view_change $term, $offset
185 292
194than the scroll back buffer or the terminal. 301than the scroll back buffer or the terminal.
195 302
196It is called before lines are scrolled out (so rows 0 .. min ($lines - 1, 303It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,
197$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total 304$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total
198number of lines that will be in the scrollback buffer. 305number of lines that will be in the scrollback buffer.
199
200=item on_tty_activity $term *NYI*
201
202Called whenever the program(s) running in the urxvt window send output.
203 306
204=item on_osc_seq $term, $string 307=item on_osc_seq $term, $string
205 308
206Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC = 309Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
207operating system command) is processed. Cursor position and other state 310operating system command) is processed. Cursor position and other state
220can filter/change and output the text yourself by returning a true value 323can filter/change and output the text yourself by returning a true value
221and calling C<< $term->scr_add_lines >> yourself. Please note that this 324and calling C<< $term->scr_add_lines >> yourself. Please note that this
222might be very slow, however, as your hook is called for B<all> text being 325might be very slow, however, as your hook is called for B<all> text being
223output. 326output.
224 327
328=item on_tt_write $term, $octets
329
330Called whenever some data is written to the tty/pty and can be used to
331suppress or filter tty input.
332
225=item on_line_update $term, $row 333=item on_line_update $term, $row
226 334
227Called whenever a line was updated or changed. Can be used to filter 335Called whenever a line was updated or changed. Can be used to filter
228screen output (e.g. underline urls or other useless stuff). Only lines 336screen output (e.g. underline urls or other useless stuff). Only lines
229that are being shown will be filtered, and, due to performance reasons, 337that are being shown will be filtered, and, due to performance reasons,
261=item on_focus_out $term 369=item on_focus_out $term
262 370
263Called wheneever the window loses keyboard focus, before rxvt-unicode does 371Called wheneever the window loses keyboard focus, before rxvt-unicode does
264focus out processing. 372focus out processing.
265 373
266=item on_key_press $term, $event, $octets 374=item on_key_press $term, $event, $keysym, $octets
267 375
268=item on_key_release $term, $event 376=item on_key_release $term, $event, $keysym
269 377
270=item on_button_press $term, $event 378=item on_button_press $term, $event
271 379
272=item on_button_release $term, $event 380=item on_button_release $term, $event
273 381
289 397
290subwindow. 398subwindow.
291 399
292=back 400=back
293 401
402=cut
403
404package urxvt;
405
406use utf8;
407use strict;
408use Carp ();
409use Scalar::Util ();
410use List::Util ();
411
412our $VERSION = 1;
413our $TERM;
414our @HOOKNAME;
415our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
416our %OPTION;
417
418our $LIBDIR;
419our $RESNAME;
420our $RESCLASS;
421our $RXVTNAME;
422
294=head2 Variables in the C<urxvt> Package 423=head2 Variables in the C<urxvt> Package
295 424
296=over 4 425=over 4
426
427=item $urxvt::LIBDIR
428
429The rxvt-unicode library directory, where, among other things, the perl
430modules and scripts are stored.
431
432=item $urxvt::RESCLASS, $urxvt::RESCLASS
433
434The resource class and name rxvt-unicode uses to look up X resources.
435
436=item $urxvt::RXVTNAME
437
438The basename of the installed binaries, usually C<urxvt>.
297 439
298=item $urxvt::TERM 440=item $urxvt::TERM
299 441
300The current terminal. This variable stores the current C<urxvt::term> 442The current terminal. This variable stores the current C<urxvt::term>
301object, whenever a callback/hook is executing. 443object, whenever a callback/hook is executing.
303=back 445=back
304 446
305=head2 Functions in the C<urxvt> Package 447=head2 Functions in the C<urxvt> Package
306 448
307=over 4 449=over 4
308
309=item $term = new urxvt [arg...]
310
311Creates a new terminal, very similar as if you had started it with
312C<system $binfile, arg...>. Croaks (and probably outputs an error message)
313if the new instance couldn't be created. Returns C<undef> if the new
314instance didn't initialise perl, and the terminal object otherwise. The
315C<init> and C<start> hooks will be called during the call.
316 450
317=item urxvt::fatal $errormessage 451=item urxvt::fatal $errormessage
318 452
319Fatally aborts execution with the given error message. Avoid at all 453Fatally aborts execution with the given error message. Avoid at all
320costs! The only time this is acceptable is when the terminal process 454costs! The only time this is acceptable is when the terminal process
327that calls this function. 461that calls this function.
328 462
329Using this function has the advantage that its output ends up in the 463Using this function has the advantage that its output ends up in the
330correct place, e.g. on stderr of the connecting urxvtc client. 464correct place, e.g. on stderr of the connecting urxvtc client.
331 465
466Messages have a size limit of 1023 bytes currently.
467
468=item $is_safe = urxvt::safe
469
470Returns true when it is safe to do potentially unsafe things, such as
471evaluating perl code specified by the user. This is true when urxvt was
472started setuid or setgid.
473
332=item $time = urxvt::NOW 474=item $time = urxvt::NOW
333 475
334Returns the "current time" (as per the event loop). 476Returns the "current time" (as per the event loop).
335 477
336=item urxvt::CurrentTime 478=item urxvt::CurrentTime
337 479
338=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask, 480=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
339Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask, 481Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
340Button4Mask, Button5Mask, AnyModifier 482Button4Mask, Button5Mask, AnyModifier
341 483
342Various constants for use in X events. 484Various constants for use in X calls and event processing.
343 485
344=back 486=back
345 487
346=head2 RENDITION 488=head2 RENDITION
347 489
374 516
375=item $background = urxvt::GET_BASEBG $rend 517=item $background = urxvt::GET_BASEBG $rend
376 518
377Return the foreground/background colour index, respectively. 519Return the foreground/background colour index, respectively.
378 520
379=item $rend = urxvt::SET_FGCOLOR ($rend, $new_colour) 521=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour
380 522
381=item $rend = urxvt::SET_BGCOLOR ($rend, $new_colour) 523=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour
382 524
383Replace the foreground/background colour in the rendition mask with the 525Replace the foreground/background colour in the rendition mask with the
384specified one. 526specified one.
385 527
386=item $value = urxvt::GET_CUSTOM ($rend) 528=item $value = urxvt::GET_CUSTOM $rend
387 529
388Return the "custom" value: Every rendition has 5 bits for use by 530Return the "custom" value: Every rendition has 5 bits for use by
389extensions. They can be set and changed as you like and are initially 531extensions. They can be set and changed as you like and are initially
390zero. 532zero.
391 533
392=item $rend = urxvt::SET_CUSTOM ($rend, $new_value) 534=item $rend = urxvt::SET_CUSTOM $rend, $new_value
393 535
394Change the custom value. 536Change the custom value.
395 537
396=back 538=back
397 539
398=cut 540=cut
399
400package urxvt;
401
402use strict;
403use Scalar::Util ();
404
405our $TERM;
406our @HOOKNAME;
407our $LIBDIR;
408 541
409BEGIN { 542BEGIN {
410 urxvt->bootstrap; 543 urxvt->bootstrap;
411 544
412 # overwrite perl's warn 545 # overwrite perl's warn
414 my $msg = join "", @_; 547 my $msg = join "", @_;
415 $msg .= "\n" 548 $msg .= "\n"
416 unless $msg =~ /\n$/; 549 unless $msg =~ /\n$/;
417 urxvt::warn ($msg); 550 urxvt::warn ($msg);
418 }; 551 };
552
553 # %ENV is the original startup environment
554 delete $ENV{IFS};
555 delete $ENV{CDPATH};
556 delete $ENV{BASH_ENV};
557 $ENV{PATH} = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin:/opt/sbin";
419} 558}
420 559
421my @hook_count; 560my @hook_count;
422my $verbosity = $ENV{URXVT_PERL_VERBOSITY}; 561my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
423 562
424sub verbose { 563sub verbose {
425 my ($level, $msg) = @_; 564 my ($level, $msg) = @_;
426 warn "$msg\n" if $level <= $verbosity; 565 warn "$msg\n" if $level <= $verbosity;
427} 566}
428 567
429# find on_xxx subs in the package and register them
430# as hooks
431sub register_package($) {
432 my ($pkg) = @_;
433
434 for my $htype (0.. $#HOOKNAME) {
435 my $name = $HOOKNAME[$htype];
436
437 my $ref = $pkg->can ("on_" . lc $name)
438 or next;
439
440 $TERM->{_hook}[$htype]{$pkg} = $ref;
441 $hook_count[$htype]++
442 or set_should_invoke $htype, 1;
443 }
444}
445
446my $extension_pkg = "extension0000"; 568my $extension_pkg = "extension0000";
447my %extension_pkg; 569my %extension_pkg;
448 570
449# load a single script into its own package, once only 571# load a single script into its own package, once only
450sub extension_package($) { 572sub extension_package($) {
456 verbose 3, "loading extension '$path' into package '$pkg'"; 578 verbose 3, "loading extension '$path' into package '$pkg'";
457 579
458 open my $fh, "<:raw", $path 580 open my $fh, "<:raw", $path
459 or die "$path: $!"; 581 or die "$path: $!";
460 582
583 my $source = untaint
461 my $source = "package $pkg; use strict; use utf8;\n" 584 "package $pkg; use strict; use utf8;\n"
462 . "use base urxvt::term::proxy::;\n" 585 . "use base urxvt::term::extension::;\n"
463 . "#line 1 \"$path\"\n{\n" 586 . "#line 1 \"$path\"\n{\n"
464 . (do { local $/; <$fh> }) 587 . (do { local $/; <$fh> })
465 . "\n};\n1"; 588 . "\n};\n1";
466 589
590 eval $source
467 eval $source or die "$path: $@"; 591 or die "$path: $@";
468 592
469 $pkg 593 $pkg
470 } 594 }
471} 595}
472 596
477 local $TERM = shift; 601 local $TERM = shift;
478 my $htype = shift; 602 my $htype = shift;
479 603
480 if ($htype == 0) { # INIT 604 if ($htype == 0) { # INIT
481 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); 605 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
606
607 my %ext_arg;
482 608
483 for my $ext (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) { 609 for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
610 if ($_ eq "default") {
611 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback);
612 } elsif (/^-(.*)$/) {
613 delete $ext_arg{$1};
614 } elsif (/^([^<]+)<(.*)>$/) {
615 push @{ $ext_arg{$1} }, $2;
616 } else {
617 $ext_arg{$_} ||= [];
618 }
619 }
620
621 while (my ($ext, $argv) = each %ext_arg) {
484 my @files = grep -f $_, map "$_/$ext", @dirs; 622 my @files = grep -f $_, map "$_/$ext", @dirs;
485 623
486 if (@files) { 624 if (@files) {
487 register_package extension_package $files[0]; 625 $TERM->register_package (extension_package $files[0], $argv);
488 } else { 626 } else {
489 warn "perl extension '$ext' not found in perl library search path\n"; 627 warn "perl extension '$ext' not found in perl library search path\n";
490 } 628 }
491 } 629 }
630
631 eval "#line 1 \"--perl-eval resource/argument\"\n" . $TERM->resource ("perl_eval");
632 warn $@ if $@;
492 } 633 }
493 634
494 $retval = undef; 635 $retval = undef;
495 636
496 if (my $cb = $TERM->{_hook}[$htype]) { 637 if (my $cb = $TERM->{_hook}[$htype]) {
498 if $verbosity >= 10; 639 if $verbosity >= 10;
499 640
500 keys %$cb; 641 keys %$cb;
501 642
502 while (my ($pkg, $cb) = each %$cb) { 643 while (my ($pkg, $cb) = each %$cb) {
503 eval { 644 $retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) }
504 $retval = $cb->(
505 $TERM->{_pkg}{$pkg} ||= do {
506 my $proxy = bless { }, $pkg;
507 Scalar::Util::weaken ($proxy->{term} = $TERM);
508 $proxy
509 },
510 @_,
511 ) and last; 645 and last;
646
647 if ($@) {
648 $TERM->ungrab; # better to lose the grab than the session
649 warn $@;
512 }; 650 }
513 warn $@ if $@;#d#
514 } 651 }
652
653 verbose 11, "$HOOKNAME[$htype] returning <$retval>"
654 if $verbosity >= 11;
515 } 655 }
516 656
517 if ($htype == 1) { # DESTROY 657 if ($htype == 1) { # DESTROY
518 # remove hooks if unused
519 if (my $hook = $TERM->{_hook}) { 658 if (my $hook = delete $TERM->{_hook}) {
520 for my $htype (0..$#$hook) { 659 for my $htype (0..$#$hook) {
521 $hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} } 660 $hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
522 or set_should_invoke $htype, 0; 661 or set_should_invoke $htype, 0;
523 } 662 }
524 } 663 }
531 } 670 }
532 671
533 $retval 672 $retval
534} 673}
535 674
536sub urxvt::term::proxy::AUTOLOAD { 675sub exec_async(@) {
537 $urxvt::term::proxy::AUTOLOAD =~ /:([^:]+)$/ 676 my $pid = fork;
677
678 return
679 if !defined $pid or $pid;
680
681 %ENV = %{ $TERM->env };
682
683 exec @_;
684 _exit 255;
685}
686
687# urxvt::term::extension
688
689package urxvt::term::extension;
690
691sub enable {
692 my ($self, %hook) = @_;
693 my $pkg = $self->{_pkg};
694
695 while (my ($name, $cb) = each %hook) {
696 my $htype = $HOOKTYPE{uc $name};
697 defined $htype
698 or Carp::croak "unsupported hook type '$name'";
699
700 unless (exists $self->{term}{_hook}[$htype]{$pkg}) {
701 $hook_count[$htype]++
702 or urxvt::set_should_invoke $htype, 1;
703 }
704
705 $self->{term}{_hook}[$htype]{$pkg} = $cb;
706 }
707}
708
709sub disable {
710 my ($self, @hook) = @_;
711 my $pkg = $self->{_pkg};
712
713 for my $name (@hook) {
714 my $htype = $HOOKTYPE{uc $name};
715 defined $htype
716 or Carp::croak "unsupported hook type '$name'";
717
718 if (delete $self->{term}{_hook}[$htype]{$pkg}) {
719 --$hook_count[$htype]
720 or urxvt::set_should_invoke $htype, 0;
721 }
722 }
723}
724
725our $AUTOLOAD;
726
727sub AUTOLOAD {
728 $AUTOLOAD =~ /:([^:]+)$/
538 or die "FATAL: \$AUTOLOAD '$urxvt::term::proxy::AUTOLOAD' unparsable"; 729 or die "FATAL: \$AUTOLOAD '$AUTOLOAD' unparsable";
539 730
540 eval qq{ 731 eval qq{
541 sub $urxvt::term::proxy::AUTOLOAD { 732 sub $AUTOLOAD {
542 my \$proxy = shift; 733 my \$proxy = shift;
543 \$proxy->{term}->$1 (\@_) 734 \$proxy->{term}->$1 (\@_)
544 } 735 }
545 1 736 1
546 } or die "FATAL: unable to compile method forwarder: $@"; 737 } or die "FATAL: unable to compile method forwarder: $@";
547 738
548 goto &$urxvt::term::proxy::AUTOLOAD; 739 goto &$AUTOLOAD;
549} 740}
741
742sub DESTROY {
743 # nop
744}
745
746# urxvt::destroy_hook
550 747
551sub urxvt::destroy_hook::DESTROY { 748sub urxvt::destroy_hook::DESTROY {
552 ${$_[0]}->(); 749 ${$_[0]}->();
553} 750}
554 751
555sub urxvt::destroy_hook(&) { 752sub urxvt::destroy_hook(&) {
556 bless \shift, urxvt::destroy_hook:: 753 bless \shift, urxvt::destroy_hook::
557} 754}
558 755
756package urxvt::anyevent;
757
758=head2 The C<urxvt::anyevent> Class
759
760The sole purpose of this class is to deliver an interface to the
761C<AnyEvent> module - any module using it will work inside urxvt without
762further programming. The only exception is that you cannot wait on
763condition variables, but non-blocking condvar use is ok. What this means
764is that you cannot use blocking APIs, but the non-blocking variant should
765work.
766
767=cut
768
769our $VERSION = 1;
770
771$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
772push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
773
774sub timer {
775 my ($class, %arg) = @_;
776
777 my $cb = $arg{cb};
778
779 urxvt::timer
780 ->new
781 ->start (urxvt::NOW + $arg{after})
782 ->cb (sub {
783 $_[0]->stop; # need to cancel manually
784 $cb->();
785 })
786}
787
788sub io {
789 my ($class, %arg) = @_;
790
791 my $cb = $arg{cb};
792
793 bless [$arg{fh}, urxvt::iow
794 ->new
795 ->fd (fileno $arg{fh})
796 ->events (($arg{poll} =~ /r/ ? 1 : 0)
797 | ($arg{poll} =~ /w/ ? 2 : 0))
798 ->start
799 ->cb (sub {
800 $cb->(($_[1] & 1 ? 'r' : '')
801 . ($_[1] & 2 ? 'w' : ''));
802 })],
803 urxvt::anyevent::
804}
805
806sub DESTROY {
807 $_[0][1]->stop;
808}
809
810sub condvar {
811 bless \my $flag, urxvt::anyevent::condvar::
812}
813
814sub urxvt::anyevent::condvar::broadcast {
815 ${$_[0]}++;
816}
817
818sub urxvt::anyevent::condvar::wait {
819 unless (${$_[0]}) {
820 Carp::croak "AnyEvent->condvar blocking wait unsupported in urxvt, use a non-blocking API";
821 }
822}
823
824package urxvt::term;
825
559=head2 The C<urxvt::term> Class 826=head2 The C<urxvt::term> Class
560 827
561=over 4 828=over 4
562 829
830=cut
831
832# find on_xxx subs in the package and register them
833# as hooks
834sub register_package {
835 my ($self, $pkg, $argv) = @_;
836
837 my $proxy = bless {
838 _pkg => $pkg,
839 argv => $argv,
840 }, $pkg;
841 Scalar::Util::weaken ($proxy->{term} = $self);
842
843 $self->{_pkg}{$pkg} = $proxy;
844
845 for my $name (@HOOKNAME) {
846 if (my $ref = $pkg->can ("on_" . lc $name)) {
847 $proxy->enable ($name => $ref);
848 }
849 }
850}
851
852=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
853
854Creates a new terminal, very similar as if you had started it with system
855C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
856hash which defines the environment of the new terminal.
857
858Croaks (and probably outputs an error message) if the new instance
859couldn't be created. Returns C<undef> if the new instance didn't
860initialise perl, and the terminal object otherwise. The C<init> and
861C<start> hooks will be called during this call.
862
863=cut
864
865sub new {
866 my ($class, $env, @args) = @_;
867
868 _new ([ map "$_=$env->{$_}", keys %$env ], @args);
869}
870
563=item $term->destroy 871=item $term->destroy
564 872
565Destroy the terminal object (close the window, free resources etc.). 873Destroy the terminal object (close the window, free resources
874etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event
875watchers (timers, io watchers) are still active.
876
877=item $isset = $term->option ($optval[, $set])
878
879Returns true if the option specified by C<$optval> is enabled, and
880optionally change it. All option values are stored by name in the hash
881C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
882
883Here is a a likely non-exhaustive list of option names, please see the
884source file F</src/optinc.h> to see the actual list:
885
886 borderLess console cursorBlink cursorUnderline hold iconic insecure
887 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage
888 pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating
889 scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer
890 secondaryScreen secondaryScroll skipBuiltinGlyphs transparent
891 tripleclickwords utmpInhibit visualBell
566 892
567=item $value = $term->resource ($name[, $newval]) 893=item $value = $term->resource ($name[, $newval])
568 894
569Returns the current resource value associated with a given name and 895Returns the current resource value associated with a given name and
570optionally sets a new value. Setting values is most useful in the C<init> 896optionally sets a new value. Setting values is most useful in the C<init>
580 906
581Please note that resource strings will currently only be freed when the 907Please note that resource strings will currently only be freed when the
582terminal is destroyed, so changing options frequently will eat memory. 908terminal is destroyed, so changing options frequently will eat memory.
583 909
584Here is a a likely non-exhaustive list of resource names, not all of which 910Here is a a likely non-exhaustive list of resource names, not all of which
585are supported in every build, please see the source to see the actual 911are supported in every build, please see the source file F</src/rsinc.h>
586list: 912to see the actual list:
587 913
588 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont 914 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
589 borderLess color cursorBlink cursorUnderline cutchars delete_key 915 borderLess color cursorBlink cursorUnderline cutchars delete_key
590 display_name embed ext_bwidth fade font geometry hold iconName 916 display_name embed ext_bwidth fade font geometry hold iconName
591 imFont imLocale inputMethod insecure int_bwidth intensityStyles 917 imFont imLocale inputMethod insecure int_bwidth intensityStyles
598 shade term_name title transparent transparent_all tripleclickwords 924 shade term_name title transparent transparent_all tripleclickwords
599 utmpInhibit visualBell 925 utmpInhibit visualBell
600 926
601=cut 927=cut
602 928
603sub urxvt::term::resource($$;$) { 929sub resource($$;$) {
604 my ($self, $name) = (shift, shift); 930 my ($self, $name) = (shift, shift);
605 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0); 931 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
606 &urxvt::term::_resource 932 &urxvt::term::_resource
607} 933}
608 934
935=item $value = $term->x_resource ($pattern)
936
937Returns the X-Resource for the given pattern, excluding the program or
938class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
939same value as used by this instance of rxvt-unicode. Returns C<undef> if no
940resource with that pattern exists.
941
942This method should only be called during the C<on_start> hook, as there is
943only one resource database per display, and later invocations might return
944the wrong resources.
945
946=item $success = $term->parse_keysym ($keysym_spec, $command_string)
947
948Adds a keymap translation exactly as specified via a resource. See the
949C<keysym> resource in the @@RXVT_NAME@@(1) manpage.
950
609=item $rend = $term->rstyle ([$new_rstyle]) 951=item $rend = $term->rstyle ([$new_rstyle])
610 952
611Return and optionally change the current rendition. Text that is output by 953Return and optionally change the current rendition. Text that is output by
612the terminal application will use this style. 954the terminal application will use this style.
613 955
623=item ($row, $col) = $term->selection_end ([$row, $col]) 965=item ($row, $col) = $term->selection_end ([$row, $col])
624 966
625Return the current values of the selection mark, begin or end positions, 967Return the current values of the selection mark, begin or end positions,
626and optionally set them to new values. 968and optionally set them to new values.
627 969
970=item $term->selection_make ($eventtime[, $rectangular])
971
972Tries to make a selection as set by C<selection_beg> and
973C<selection_end>. If C<$rectangular> is true (default: false), a
974rectangular selection will be made. This is the prefered function to make
975a selection.
976
628=item $success = $term->selection_grab ($eventtime) 977=item $success = $term->selection_grab ($eventtime)
629 978
630Try to request the primary selection from the server (for example, as set 979Try to request the primary selection text from the server (for example, as
631by the next method). 980set by the next method). No visual feedback will be given. This function
981is mostly useful from within C<on_sel_grab> hooks.
632 982
633=item $oldtext = $term->selection ([$newtext]) 983=item $oldtext = $term->selection ([$newtext])
634 984
635Return the current selection text and optionally replace it by C<$newtext>. 985Return the current selection text and optionally replace it by C<$newtext>.
636 986
637#=item $term->overlay ($x, $y, $text) 987=item $term->overlay_simple ($x, $y, $text)
638# 988
639#Create a simple multi-line overlay box. See the next method for details. 989Create a simple multi-line overlay box. See the next method for details.
640# 990
641#=cut 991=cut
642# 992
643#sub urxvt::term::scr_overlay { 993sub overlay_simple {
644# my ($self, $x, $y, $text) = @_; 994 my ($self, $x, $y, $text) = @_;
645# 995
646# my @lines = split /\n/, $text; 996 my @lines = split /\n/, $text;
647# 997
648# my $w = 0; 998 my $w = List::Util::max map $self->strwidth ($_), @lines;
649# for (map $self->strwidth ($_), @lines) { 999
650# $w = $_ if $w < $_;
651# }
652#
653# $self->scr_overlay_new ($x, $y, $w, scalar @lines); 1000 my $overlay = $self->overlay ($x, $y, $w, scalar @lines);
654# $self->scr_overlay_set (0, $_, $lines[$_]) for 0.. $#lines; 1001 $overlay->set (0, $_, $lines[$_]) for 0.. $#lines;
655#} 1002
1003 $overlay
1004}
656 1005
657=item $term->overlay ($x, $y, $width, $height[, $rstyle[, $border]]) 1006=item $term->overlay ($x, $y, $width, $height[, $rstyle[, $border]])
658 1007
659Create a new (empty) overlay at the given position with the given 1008Create a new (empty) overlay at the given position with the given
660width/height. C<$rstyle> defines the initial rendition style 1009width/height. C<$rstyle> defines the initial rendition style
695C<$event> I<must> be the event causing the menu to pop up (a button event, 1044C<$event> I<must> be the event causing the menu to pop up (a button event,
696currently). 1045currently).
697 1046
698=cut 1047=cut
699 1048
700sub urxvt::term::popup { 1049sub popup {
701 my ($self, $event) = @_; 1050 my ($self, $event) = @_;
702 1051
703 $self->grab ($event->{time}, 1) 1052 $self->grab ($event->{time}, 1)
704 or return; 1053 or return;
705 1054
727 1076
728=item $string = $term->locale_decode ($octets) 1077=item $string = $term->locale_decode ($octets)
729 1078
730Convert the given locale-encoded octets into a perl string. 1079Convert the given locale-encoded octets into a perl string.
731 1080
1081=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])
1082
1083XORs the rendition values in the given span with the provided value
1084(default: C<RS_RVid>), which I<MUST NOT> contain font styles. Useful in
1085refresh hooks to provide effects similar to the selection.
1086
1087=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])
1088
1089Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing
1090whitespace will additionally be xored with the C<$rstyle2>, which defaults
1091to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines
1092it instead. Both styles I<MUST NOT> contain font styles.
1093
1094=item $term->scr_bell
1095
1096Ring the bell!
1097
732=item $term->scr_add_lines ($string) 1098=item $term->scr_add_lines ($string)
733 1099
734Write the given text string to the screen, as if output by the application 1100Write the given text string to the screen, as if output by the application
735running inside the terminal. It may not contain command sequences (escape 1101running inside the terminal. It may not contain command sequences (escape
736codes), but is free to use line feeds, carriage returns and tabs. The 1102codes), but is free to use line feeds, carriage returns and tabs. The
750 1116
751Write the octets given in C<$data> to the tty (i.e. as program input). To 1117Write the octets given in C<$data> to the tty (i.e. as program input). To
752pass characters instead of octets, you should convert your strings first 1118pass characters instead of octets, you should convert your strings first
753to the locale-specific encoding using C<< $term->locale_encode >>. 1119to the locale-specific encoding using C<< $term->locale_encode >>.
754 1120
1121=item $old_events = $term->pty_ev_events ([$new_events])
1122
1123Replaces the event mask of the pty watcher by the given event mask. Can
1124be used to suppress input and output handling to the pty/tty. See the
1125description of C<< urxvt::timer->events >>. Make sure to always restore
1126the previous value.
1127
755=item $windowid = $term->parent 1128=item $windowid = $term->parent
756 1129
757Return the window id of the toplevel window. 1130Return the window id of the toplevel window.
758 1131
759=item $windowid = $term->vt 1132=item $windowid = $term->vt
783=item $nrow_plus_saveLines = $term->total_rows 1156=item $nrow_plus_saveLines = $term->total_rows
784 1157
785=item $lines_in_scrollback = $term->nsaved 1158=item $lines_in_scrollback = $term->nsaved
786 1159
787Return various integers describing terminal characteristics. 1160Return various integers describing terminal characteristics.
1161
1162=item $x_display = $term->display_id
1163
1164Return the DISPLAY used by rxvt-unicode.
1165
1166=item $lc_ctype = $term->locale
1167
1168Returns the LC_CTYPE category string used by this rxvt-unicode.
1169
1170=item $env = $term->env
1171
1172Returns a copy of the environment in effect for the terminal as a hashref
1173similar to C<\%ENV>.
1174
1175=cut
1176
1177sub env {
1178 if (my $env = $_[0]->_env) {
1179 +{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), @$env }
1180 } else {
1181 +{ %ENV }
1182 }
1183}
788 1184
789=item $modifiermask = $term->ModLevel3Mask 1185=item $modifiermask = $term->ModLevel3Mask
790 1186
791=item $modifiermask = $term->ModMetaMask 1187=item $modifiermask = $term->ModMetaMask
792 1188
885Return the row number of the first/last row of the line, respectively. 1281Return the row number of the first/last row of the line, respectively.
886 1282
887=item $offset = $line->offset_of ($row, $col) 1283=item $offset = $line->offset_of ($row, $col)
888 1284
889Returns the character offset of the given row|col pair within the logical 1285Returns the character offset of the given row|col pair within the logical
890line. 1286line. Works for rows outside the line, too, and returns corresponding
1287offsets outside the string.
891 1288
892=item ($row, $col) = $line->coord_of ($offset) 1289=item ($row, $col) = $line->coord_of ($offset)
893 1290
894Translates a string offset into terminal coordinates again. 1291Translates a string offset into terminal coordinates again.
895 1292
896=back 1293=back
897 1294
898=cut 1295=cut
899 1296
900sub urxvt::term::line { 1297sub line {
901 my ($self, $row) = @_; 1298 my ($self, $row) = @_;
902 1299
903 my $maxrow = $self->nrow - 1; 1300 my $maxrow = $self->nrow - 1;
904 1301
905 my ($beg, $end) = ($row, $row); 1302 my ($beg, $end) = ($row, $row);
969 $offset / $self->{ncol} + $self->{beg}, 1366 $offset / $self->{ncol} + $self->{beg},
970 $offset % $self->{ncol} 1367 $offset % $self->{ncol}
971 ) 1368 )
972} 1369}
973 1370
974=item ($row, $col) = $line->coord_of ($offset)
975=item $text = $term->special_encode $string 1371=item $text = $term->special_encode $string
976 1372
977Converts a perl string into the special encoding used by rxvt-unicode, 1373Converts a perl string into the special encoding used by rxvt-unicode,
978where one character corresponds to one screen cell. See 1374where one character corresponds to one screen cell. See
979C<< $term->ROW_t >> for details. 1375C<< $term->ROW_t >> for details.
981=item $string = $term->special_decode $text 1377=item $string = $term->special_decode $text
982 1378
983Converts rxvt-unicodes text reprsentation into a perl string. See 1379Converts rxvt-unicodes text reprsentation into a perl string. See
984C<< $term->ROW_t >> for details. 1380C<< $term->ROW_t >> for details.
985 1381
1382=item $success = $term->grab_button ($button, $modifiermask)
1383
1384Registers a synchronous button grab. See the XGrabButton manpage.
1385
1386=item $success = $term->grab ($eventtime[, $sync])
1387
1388Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1389synchronous (C<$sync> is true). Also remembers the grab timestampe.
1390
1391=item $term->allow_events_async
1392
1393Calls XAllowEvents with AsyncBoth for the most recent grab.
1394
1395=item $term->allow_events_sync
1396
1397Calls XAllowEvents with SyncBoth for the most recent grab.
1398
1399=item $term->allow_events_replay
1400
1401Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
1402recent grab.
1403
1404=item $term->ungrab
1405
1406Calls XUngrab for the most recent grab. Is called automatically on
1407evaluation errors, as it is better to lose the grab in the error case as
1408the session.
1409
986=back 1410=back
987 1411
1412=cut
1413
1414package urxvt::popup;
1415
988=head2 The C<urxvt::popup> Class 1416=head2 The C<urxvt::popup> Class
989 1417
990=over 4 1418=over 4
991 1419
992=cut 1420=cut
993
994package urxvt::popup;
995 1421
996sub add_item { 1422sub add_item {
997 my ($self, $item) = @_; 1423 my ($self, $item) = @_;
998 1424
1425 $item->{rend}{normal} = "\x1b[0;30;47m" unless exists $item->{rend}{normal};
1426 $item->{rend}{hover} = "\x1b[0;30;46m" unless exists $item->{rend}{hover};
1427 $item->{rend}{active} = "\x1b[m" unless exists $item->{rend}{active};
1428
1429 $item->{render} ||= sub { $_[0]{text} };
1430
999 push @{ $self->{item} }, $item; 1431 push @{ $self->{item} }, $item;
1000} 1432}
1433
1434=item $popup->add_title ($title)
1435
1436Adds a non-clickable title to the popup.
1437
1438=cut
1439
1440sub add_title {
1441 my ($self, $title) = @_;
1442
1443 $self->add_item ({
1444 rend => { normal => "\x1b[38;5;11;44m", hover => "\x1b[38;5;11;44m", active => "\x1b[38;5;11;44m" },
1445 text => $title,
1446 activate => sub { },
1447 });
1448}
1449
1450=item $popup->add_separator ([$sepchr])
1451
1452Creates a separator, optionally using the character given as C<$sepchr>.
1453
1454=cut
1455
1456sub add_separator {
1457 my ($self, $sep) = @_;
1458
1459 $sep ||= "=";
1460
1461 $self->add_item ({
1462 rend => { normal => "\x1b[0;30;47m", hover => "\x1b[0;30;47m", active => "\x1b[0;30;47m" },
1463 text => "",
1464 render => sub { $sep x $self->{term}->ncol },
1465 activate => sub { },
1466 });
1467}
1468
1469=item $popup->add_button ($text, $cb)
1470
1471Adds a clickable button to the popup. C<$cb> is called whenever it is
1472selected.
1473
1474=cut
1001 1475
1002sub add_button { 1476sub add_button {
1003 my ($self, $text, $cb) = @_; 1477 my ($self, $text, $cb) = @_;
1004 1478
1005 $self->add_item ({ type => "button", text => "[ $text ]", activate => $cb }); 1479 $self->add_item ({ type => "button", text => $text, activate => $cb});
1006} 1480}
1481
1482=item $popup->add_toggle ($text, $cb, $initial_value)
1483
1484Adds a toggle/checkbox item to the popup. Teh callback gets called
1485whenever it gets toggled, with a boolean indicating its value as its first
1486argument.
1487
1488=cut
1489
1490sub add_toggle {
1491 my ($self, $text, $cb, $value) = @_;
1492
1493 my $item; $item = {
1494 type => "button",
1495 text => " $text",
1496 value => $value,
1497 render => sub { ($_[0]{value} ? "* " : " ") . $text },
1498 activate => sub { $cb->($_[1]{value} = !$_[1]{value}); },
1499 };
1500
1501 $self->add_item ($item);
1502}
1503
1504=item $popup->show
1505
1506Displays the popup (which is initially hidden).
1507
1508=cut
1007 1509
1008sub show { 1510sub show {
1009 my ($self) = @_; 1511 my ($self) = @_;
1010 1512
1011 local $urxvt::popup::self = $self; 1513 local $urxvt::popup::self = $self;
1012 1514
1515 my $env = $self->{term}->env;
1516 # we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
1517 delete $env->{LC_ALL};
1518 $env->{LC_CTYPE} = $self->{term}->locale;
1519
1520 urxvt::term->new ($env, $self->{term}->resource ("name"),
1013 urxvt->new ("--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0, 1521 "--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0,
1014 "--transient-for" => $self->{term}->parent, 1522 "--transient-for" => $self->{term}->parent,
1523 "-display" => $self->{term}->display_id,
1015 "-pe" => "urxvt-popup") 1524 "-pe" => "urxvt-popup")
1016 or die "unable to create popup window\n"; 1525 or die "unable to create popup window\n";
1017} 1526}
1018 1527
1019sub DESTROY { 1528sub DESTROY {
1020 my ($self) = @_; 1529 my ($self) = @_;
1021 1530
1531 delete $self->{term}{_destroy}{$self};
1022 $self->{term}->ungrab; 1532 $self->{term}->ungrab;
1023} 1533}
1534
1535=back
1024 1536
1025=head2 The C<urxvt::timer> Class 1537=head2 The C<urxvt::timer> Class
1026 1538
1027This class implements timer watchers/events. Time is represented as a 1539This class implements timer watchers/events. Time is represented as a
1028fractional number of seconds since the epoch. Example: 1540fractional number of seconds since the epoch. Example:
1081 1593
1082 $term->{socket} = ... 1594 $term->{socket} = ...
1083 $term->{iow} = urxvt::iow 1595 $term->{iow} = urxvt::iow
1084 ->new 1596 ->new
1085 ->fd (fileno $term->{socket}) 1597 ->fd (fileno $term->{socket})
1086 ->events (1) # wait for read data 1598 ->events (urxvt::EVENT_READ)
1087 ->start 1599 ->start
1088 ->cb (sub { 1600 ->cb (sub {
1089 my ($iow, $revents) = @_; 1601 my ($iow, $revents) = @_;
1090 # $revents must be 1 here, no need to check 1602 # $revents must be 1 here, no need to check
1091 sysread $term->{socket}, my $buf, 8192 1603 sysread $term->{socket}, my $buf, 8192
1108 1620
1109Set the filedescriptor (not handle) to watch. 1621Set the filedescriptor (not handle) to watch.
1110 1622
1111=item $iow = $iow->events ($eventmask) 1623=item $iow = $iow->events ($eventmask)
1112 1624
1113Set the event mask to watch. Bit #0 (value C<1>) enables watching for read 1625Set the event mask to watch. The only allowed values are
1114data, Bit #1 (value C<2>) enables watching for write data. 1626C<urxvt::EVENT_READ> and C<urxvt::EVENT_WRITE>, which might be ORed
1627together, or C<urxvt::EVENT_NONE>.
1115 1628
1116=item $iow = $iow->start 1629=item $iow = $iow->start
1117 1630
1118Start watching for requested events on the given handle. 1631Start watching for requested events on the given handle.
1119 1632
1130This variable controls the verbosity level of the perl extension. Higher 1643This variable controls the verbosity level of the perl extension. Higher
1131numbers indicate more verbose output. 1644numbers indicate more verbose output.
1132 1645
1133=over 4 1646=over 4
1134 1647
1135=item =0 - only fatal messages 1648=item == 0 - fatal messages
1136 1649
1137=item =3 - script loading and management 1650=item >= 3 - script loading and management
1138 1651
1139=item =10 - all events received 1652=item >=10 - all called hooks
1653
1654=item >=11 - hook reutrn values
1140 1655
1141=back 1656=back
1142 1657
1143=head1 AUTHOR 1658=head1 AUTHOR
1144 1659

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