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Revision 1.18 by root, Tue Jan 3 02:01:27 2006 UTC vs.
Revision 1.61 by root, Mon Jan 9 01:36:56 2006 UTC

17 17
18 @@RXVT_NAME@@ --perl-lib $HOME -pe grab_test 18 @@RXVT_NAME@@ --perl-lib $HOME -pe grab_test
19 19
20=head1 DESCRIPTION 20=head1 DESCRIPTION
21 21
22Everytime a terminal object gets created, scripts specified via the 22Everytime a terminal object gets created, extension scripts specified via
23C<perl> resource are loaded and associated with it. 23the C<perl> resource are loaded and associated with it.
24 24
25Scripts are compiled in a 'use strict' and 'use utf8' environment, and 25Scripts are compiled in a 'use strict' and 'use utf8' environment, and
26thus must be encoded as UTF-8. 26thus must be encoded as UTF-8.
27 27
28Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where 28Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where
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
44Miscellaneous 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:
45 50
46=over 4 51=over 4
47 52
48=item rot13 53=item rot13
49 54
51 56
52 URxvt.keysym.C-M-r: perl:selection:rot13 57 URxvt.keysym.C-M-r: perl:selection:rot13
53 58
54=back 59=back
55 60
61=item option-popup (enabled by default)
62
63Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at
64runtime.
65
66=item selection-popup (enabled by default)
67
68Binds a popup menu to Ctrl-Button3 that lets you convert the selection
69text into various other formats/action.
70
56=item digital-clock 71=item digital-clock
72
73Displays a digital clock using the built-in overlay.
74
75=item mark-urls
76
77Uses per-line display filtering (C<on_line_update>) to underline urls.
78
79=item block-graphics-to-ascii
80
81A not very useful example of filtering all text output to the terminal,
82by replacing all line-drawing characters (U+2500 .. U+259F) by a
83similar-looking ascii character.
84
85=item example-refresh-hooks
57 86
58Displays a very simple digital clock in the upper right corner of the 87Displays a very simple digital clock in the upper right corner of the
59window. Illustrates overwriting the refresh callbacks to create your own 88window. Illustrates overwriting the refresh callbacks to create your own
60overlays or changes. 89overlays or changes.
61 90
62=item simple-overlay-clock
63
64Displays a digital clock using the built-in overlay (colourful, useless).
65
66=back 91=back
67 92
68=head2 General API Considerations 93=head2 General API Considerations
69 94
70All objects (such as terminals, time watchers etc.) are typical 95All objects (such as terminals, time watchers etc.) are typical
71reference-to-hash objects. The hash can be used to store anything you 96reference-to-hash objects. The hash can be used to store anything you
72like. All members starting with an underscore (such as C<_ptr> or 97like. All members starting with an underscore (such as C<_ptr> or
73C<_hook>) are reserved for internal uses and must not be accessed or 98C<_hook>) are reserved for internal uses and B<MUST NOT> be accessed or
74modified). 99modified).
75 100
76When objects are destroyed on the C++ side, the perl object hashes are 101When objects are destroyed on the C++ side, the perl object hashes are
77emptied, so its best to store related objects such as time watchers and 102emptied, so its best to store related objects such as time watchers and
78the like inside the terminal object so they get destroyed as soon as the 103the like inside the terminal object so they get destroyed as soon as the
79terminal is destroyed. 104terminal is destroyed.
80 105
106Argument names also often indicate the type of a parameter. Here are some
107hints on what they mean:
108
109=over 4
110
111=item $text
112
113Rxvt-unicodes special way of encoding text, where one "unicode" character
114always represents one screen cell. See L<row_t> for a discussion of this format.
115
116=item $string
117
118A perl text string, with an emphasis on I<text>. It can store all unicode
119characters and is to be distinguished with text encoded in a specific
120encoding (often locale-specific) and binary data.
121
122=item $octets
123
124Either binary data or - more common - a text string encoded in a
125locale-specific way.
126
127=back
128
81=head2 Hooks 129=head2 Hooks
82 130
83The following subroutines can be declared in loaded scripts, and will be called 131The following subroutines can be declared in extension files, and will be
84whenever the relevant event happens. 132called whenever the relevant event happens.
133
134The first argument passed to them is an object private to each terminal
135and extension package. You can call all C<urxvt::term> methods on it, but
136its not a real C<urxvt::term> object. Instead, the real C<urxvt::term>
137object that is shared between all packages is stored in the C<term>
138member. It is, however, blessed intot he package of the extension script,
139so for all practical purposes you can treat an extension script as a class.
85 140
86All of them must return a boolean value. If it is true, then the event 141All of them must return a boolean value. If it is true, then the event
87counts as being I<consumed>, and the invocation of other hooks is skipped, 142counts as being I<consumed>, and the invocation of other hooks is skipped,
88and the relevant action might not be carried out by the C++ code. 143and the relevant action might not be carried out by the C++ code.
89 144
92=over 4 147=over 4
93 148
94=item on_init $term 149=item on_init $term
95 150
96Called after a new terminal object has been initialized, but before 151Called after a new terminal object has been initialized, but before
97windows are created or the command gets run. 152windows are created or the command gets run. Most methods are unsafe to
153call or deliver senseless data, as terminal size and other characteristics
154have not yet been determined. You can safely query and change resources,
155though.
98 156
99=item on_reset $term 157=item on_reset $term
100 158
101Called after the screen is "reset" for any reason, such as resizing or 159Called after the screen is "reset" for any reason, such as resizing or
102control sequences. Here is where you can react on changes to size-related 160control sequences. Here is where you can react on changes to size-related
122requested from the server. The selection text can be queried and changed 180requested from the server. The selection text can be queried and changed
123by calling C<< $term->selection >>. 181by calling C<< $term->selection >>.
124 182
125Returning a true value aborts selection grabbing. It will still be hilighted. 183Returning a true value aborts selection grabbing. It will still be hilighted.
126 184
127=item on_focus_in $term 185=item on_sel_extend $term
128 186
129Called whenever the window gets the keyboard focus, before urxvt does 187Called whenever the user tries to extend the selection (e.g. with a double
130focus in processing. 188click) and is either supposed to return false (normal operation), or
131 189should extend the selection itelf and return true to suppress the built-in
132=item on_focus_out $term
133
134Called wheneever the window loses keyboard focus, before urxvt does focus
135out processing. 190processing.
191
192See the F<selection> example extension.
136 193
137=item on_view_change $term, $offset 194=item on_view_change $term, $offset
138 195
139Called whenever the view offset changes, i..e the user or program 196Called whenever the view offset changes, i..e the user or program
140scrolls. Offset C<0> means display the normal terminal, positive values 197scrolls. Offset C<0> means display the normal terminal, positive values
148 205
149It is called before lines are scrolled out (so rows 0 .. min ($lines - 1, 206It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,
150$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total 207$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total
151number of lines that will be in the scrollback buffer. 208number of lines that will be in the scrollback buffer.
152 209
153=item on_tty_activity $term *NYI* 210=item on_osc_seq $term, $string
154 211
155Called whenever the program(s) running in the urxvt window send output. 212Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
213operating system command) is processed. Cursor position and other state
214information is up-to-date when this happens. For interoperability, the
215string should start with the extension name and a colon, to distinguish
216it from commands for other extensions, and this might be enforced in the
217future.
218
219Be careful not ever to trust (in a security sense) the data you receive,
220as its source can not easily be controleld (e-mail content, messages from
221other users on the same system etc.).
222
223=item on_add_lines $term, $string
224
225Called whenever text is about to be output, with the text as argument. You
226can filter/change and output the text yourself by returning a true value
227and calling C<< $term->scr_add_lines >> yourself. Please note that this
228might be very slow, however, as your hook is called for B<all> text being
229output.
230
231=item on_line_update $term, $row
232
233Called whenever a line was updated or changed. Can be used to filter
234screen output (e.g. underline urls or other useless stuff). Only lines
235that are being shown will be filtered, and, due to performance reasons,
236not always immediately.
237
238The row number is always the topmost row of the line if the line spans
239multiple rows.
240
241Please note that, if you change the line, then the hook might get called
242later with the already-modified line (e.g. if unrelated parts change), so
243you cannot just toggle rendition bits, but only set them.
156 244
157=item on_refresh_begin $term 245=item on_refresh_begin $term
158 246
159Called just before the screen gets redrawn. Can be used for overlay 247Called just before the screen gets redrawn. Can be used for overlay
160or similar effects by modify terminal contents in refresh_begin, and 248or similar effects by modify terminal contents in refresh_begin, and
169 257
170Called whenever the user presses a key combination that has a 258Called whenever the user presses a key combination that has a
171C<perl:string> action bound to it (see description of the B<keysym> 259C<perl:string> action bound to it (see description of the B<keysym>
172resource in the @@RXVT_NAME@@(1) manpage). 260resource in the @@RXVT_NAME@@(1) manpage).
173 261
262=item on_focus_in $term
263
264Called whenever the window gets the keyboard focus, before rxvt-unicode
265does focus in processing.
266
267=item on_focus_out $term
268
269Called wheneever the window loses keyboard focus, before rxvt-unicode does
270focus out processing.
271
272=item on_key_press $term, $event, $octets
273
274=item on_key_release $term, $event
275
276=item on_button_press $term, $event
277
278=item on_button_release $term, $event
279
280=item on_motion_notify $term, $event
281
282=item on_map_notify $term, $event
283
284=item on_unmap_notify $term, $event
285
286Called whenever the corresponding X event is received for the terminal If
287the hook returns true, then the even will be ignored by rxvt-unicode.
288
289The event is a hash with most values as named by Xlib (see the XEvent
290manpage), with the additional members C<row> and C<col>, which are the row
291and column under the mouse cursor.
292
293C<on_key_press> additionally receives the string rxvt-unicode would
294output, if any, in locale-specific encoding.
295
296subwindow.
297
174=back 298=back
175 299
300=head2 Variables in the C<urxvt> Package
301
302=over 4
303
304=item $urxvt::TERM
305
306The current terminal. This variable stores the current C<urxvt::term>
307object, whenever a callback/hook is executing.
308
309=back
310
176=head2 Functions in the C<urxvt> Package 311=head2 Functions in the C<urxvt> Package
177 312
178=over 4 313=over 4
314
315=item $term = new urxvt [arg...]
316
317Creates a new terminal, very similar as if you had started it with
318C<system $binfile, arg...>. Croaks (and probably outputs an error message)
319if the new instance couldn't be created. Returns C<undef> if the new
320instance didn't initialise perl, and the terminal object otherwise. The
321C<init> and C<start> hooks will be called during the call.
179 322
180=item urxvt::fatal $errormessage 323=item urxvt::fatal $errormessage
181 324
182Fatally aborts execution with the given error message. Avoid at all 325Fatally aborts execution with the given error message. Avoid at all
183costs! The only time this is acceptable is when the terminal process 326costs! The only time this is acceptable is when the terminal process
193correct place, e.g. on stderr of the connecting urxvtc client. 336correct place, e.g. on stderr of the connecting urxvtc client.
194 337
195=item $time = urxvt::NOW 338=item $time = urxvt::NOW
196 339
197Returns the "current time" (as per the event loop). 340Returns the "current time" (as per the event loop).
341
342=item urxvt::CurrentTime
343
344=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
345Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
346Button4Mask, Button5Mask, AnyModifier
347
348Various constants for use in X calls and event processing.
349
350=back
198 351
199=head2 RENDITION 352=head2 RENDITION
200 353
201Rendition bitsets contain information about colour, font, font styles and 354Rendition bitsets contain information about colour, font, font styles and
202similar information for each screen cell. 355similar information for each screen cell.
218Return the rendition mask used for overlays by default. 371Return the rendition mask used for overlays by default.
219 372
220=item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline 373=item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline
221 374
222Return the bit that enabled bold, italic, blink, reverse-video and 375Return the bit that enabled bold, italic, blink, reverse-video and
223underline, respectively. To enable such a style, just or it onto the 376underline, respectively. To enable such a style, just logically OR it into
224bitset. 377the bitset.
225 378
226=item $foreground = urxvt::GET_BASEFG $rend 379=item $foreground = urxvt::GET_BASEFG $rend
227 380
228=item $background = urxvt::GET_BASEBG $rend 381=item $background = urxvt::GET_BASEBG $rend
229 382
234=item $rend = urxvt::SET_BGCOLOR ($rend, $new_colour) 387=item $rend = urxvt::SET_BGCOLOR ($rend, $new_colour)
235 388
236Replace the foreground/background colour in the rendition mask with the 389Replace the foreground/background colour in the rendition mask with the
237specified one. 390specified one.
238 391
392=item $value = urxvt::GET_CUSTOM ($rend)
393
394Return the "custom" value: Every rendition has 5 bits for use by
395extensions. They can be set and changed as you like and are initially
396zero.
397
398=item $rend = urxvt::SET_CUSTOM ($rend, $new_value)
399
400Change the custom value.
401
239=back 402=back
240 403
241=cut 404=cut
242 405
243package urxvt; 406package urxvt;
244 407
408use utf8;
245use strict; 409use strict;
410use Scalar::Util ();
411use List::Util ();
246 412
247our $term; 413our $VERSION = 1;
414our $TERM;
248our @HOOKNAME; 415our @HOOKNAME;
416our %OPTION;
249our $LIBDIR; 417our $LIBDIR;
250 418
251BEGIN { 419BEGIN {
252 urxvt->bootstrap; 420 urxvt->bootstrap;
253 421
256 my $msg = join "", @_; 424 my $msg = join "", @_;
257 $msg .= "\n" 425 $msg .= "\n"
258 unless $msg =~ /\n$/; 426 unless $msg =~ /\n$/;
259 urxvt::warn ($msg); 427 urxvt::warn ($msg);
260 }; 428 };
429
430 delete $ENV{IFS};
431 delete $ENV{CDPATH};
432 delete $ENV{BASH_ENV};
433 $ENV{PATH} = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin:/opt/sbin";
261} 434}
262 435
263my @hook_count; 436my @hook_count;
264my $verbosity = $ENV{URXVT_PERL_VERBOSITY}; 437my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
265 438
277 my $name = $HOOKNAME[$htype]; 450 my $name = $HOOKNAME[$htype];
278 451
279 my $ref = $pkg->can ("on_" . lc $name) 452 my $ref = $pkg->can ("on_" . lc $name)
280 or next; 453 or next;
281 454
282 $term->{_hook}[$htype]{$ref*1} = $ref; 455 $TERM->{_hook}[$htype]{$pkg} = $ref;
283 $hook_count[$htype]++ 456 $hook_count[$htype]++
284 or set_should_invoke $htype, 1; 457 or set_should_invoke $htype, 1;
285 } 458 }
286} 459}
287 460
288my $script_pkg = "script0000"; 461my $extension_pkg = "extension0000";
289my %script_pkg; 462my %extension_pkg;
290 463
291# load a single script into its own package, once only 464# load a single script into its own package, once only
292sub script_package($) { 465sub extension_package($) {
293 my ($path) = @_; 466 my ($path) = @_;
294 467
295 $script_pkg{$path} ||= do { 468 $extension_pkg{$path} ||= do {
296 my $pkg = "urxvt::" . ($script_pkg++); 469 my $pkg = "urxvt::" . ($extension_pkg++);
297 470
298 verbose 3, "loading script '$path' into package '$pkg'"; 471 verbose 3, "loading extension '$path' into package '$pkg'";
299 472
300 open my $fh, "<:raw", $path 473 open my $fh, "<:raw", $path
301 or die "$path: $!"; 474 or die "$path: $!";
302 475
303 my $source = "package $pkg; use strict; use utf8;\n" 476 my $source = untaint "package $pkg; use strict; use utf8;\n"
477 . "use base urxvt::term::proxy::;\n"
304 . "#line 1 \"$path\"\n{\n" 478 . "#line 1 \"$path\"\n{\n"
305 . (do { local $/; <$fh> }) 479 . (do { local $/; <$fh> })
306 . "\n};\n1"; 480 . "\n};\n1";
307 481
308 eval $source or die "$path: $@"; 482 eval $source or die "$path: $@";
309 483
310 $pkg 484 $pkg
311 } 485 }
312} 486}
313 487
488our $retval; # return value for urxvt
489
314# called by the rxvt core 490# called by the rxvt core
315sub invoke { 491sub invoke {
316 local $term = shift; 492 local $TERM = shift;
317 my $htype = shift; 493 my $htype = shift;
318 494
319 if ($htype == 0) { # INIT 495 if ($htype == 0) { # INIT
320 my @dirs = ((split /:/, $term->resource ("perl_lib")), "$LIBDIR/perl"); 496 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
497
498 my %want_ext;
321 499
322 for my $ext (split /:/, $term->resource ("perl_ext")) { 500 for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
501 if ($_ eq "default") {
502 $want_ext{$_}++ for qw(selection option-popup selection-popup);
503 } elsif (/^-(.*)$/) {
504 delete $want_ext{$1};
505 } else {
506 $want_ext{$_}++;
507 }
508 }
509
510 for my $ext (keys %want_ext) {
323 my @files = grep -f $_, map "$_/$ext", @dirs; 511 my @files = grep -f $_, map "$_/$ext", @dirs;
324 512
325 if (@files) { 513 if (@files) {
326 register_package script_package $files[0]; 514 register_package extension_package $files[0];
327 } else { 515 } else {
328 warn "perl extension '$ext' not found in perl library search path\n"; 516 warn "perl extension '$ext' not found in perl library search path\n";
329 } 517 }
330 } 518 }
331 519
520 eval "#line 1 \"--perl-eval resource/argument\"\n" . $TERM->resource ("perl_eval");
521 warn $@ if $@;
522 }
523
524 $retval = undef;
525
526 if (my $cb = $TERM->{_hook}[$htype]) {
527 verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
528 if $verbosity >= 10;
529
530 keys %$cb;
531
532 while (my ($pkg, $cb) = each %$cb) {
533 eval {
534 $retval = $cb->(
535 $TERM->{_pkg}{$pkg} ||= do {
536 my $proxy = bless { }, $pkg;
537 Scalar::Util::weaken ($proxy->{term} = $TERM);
538 $proxy
539 },
540 @_,
541 ) and last;
542 };
543 if ($@) {
544 $TERM->ungrab; # better to lose the grab than the session
545 warn $@;
546 }
547 }
548 }
549
332 } elsif ($htype == 1) { # DESTROY 550 if ($htype == 1) { # DESTROY
551 # remove hooks if unused
333 if (my $hook = $term->{_hook}) { 552 if (my $hook = $TERM->{_hook}) {
334 for my $htype (0..$#$hook) { 553 for my $htype (0..$#$hook) {
335 $hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} } 554 $hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
336 or set_should_invoke $htype, 0; 555 or set_should_invoke $htype, 0;
337 } 556 }
338 } 557 }
558
559 # clear package objects
560 %$_ = () for values %{ $TERM->{_pkg} };
561
562 # clear package
563 %$TERM = ();
339 } 564 }
340 565
341 my $cb = $term->{_hook}[$htype] 566 $retval
342 or return; 567}
343 568
344 verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $term, @_) . ")" 569# urxvt::term::proxy
345 if $verbosity >= 10;
346 570
347 while (my ($k, $v) = each %$cb) { 571sub urxvt::term::proxy::AUTOLOAD {
348 return 1 if $v->($term, @_); 572 $urxvt::term::proxy::AUTOLOAD =~ /:([^:]+)$/
573 or die "FATAL: \$AUTOLOAD '$urxvt::term::proxy::AUTOLOAD' unparsable";
574
575 eval qq{
576 sub $urxvt::term::proxy::AUTOLOAD {
577 my \$proxy = shift;
578 \$proxy->{term}->$1 (\@_)
579 }
580 1
581 } or die "FATAL: unable to compile method forwarder: $@";
582
583 goto &$urxvt::term::proxy::AUTOLOAD;
584}
585
586sub urxvt::term::proxy::DESTROY {
587 # nop
588}
589
590# urxvt::destroy_hook
591
592sub urxvt::destroy_hook::DESTROY {
593 ${$_[0]}->();
594}
595
596sub urxvt::destroy_hook(&) {
597 bless \shift, urxvt::destroy_hook::
598}
599
600package urxvt::anyevent;
601
602=head2 The C<urxvt::anyevent> Class
603
604The sole purpose of this class is to deliver an interface to the
605C<AnyEvent> module - any module using it will work inside urxvt without
606further work. The only exception is that you cannot wait on condition
607variables, but non-blocking condvar use is ok. What this means is that you
608cannot use blocking APIs, but the non-blocking variant should work.
609
610=cut
611
612our $VERSION = 1;
613
614$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
615push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
616
617sub timer {
618 my ($class, %arg) = @_;
619
620 my $cb = $arg{cb};
621
622 urxvt::timer
623 ->new
624 ->start (urxvt::NOW + $arg{after})
625 ->cb (sub {
626 $_[0]->stop; # need to cancel manually
627 $cb->();
628 })
629}
630
631sub io {
632 my ($class, %arg) = @_;
633
634 my $cb = $arg{cb};
635
636 bless [$arg{fh}, urxvt::iow
637 ->new
638 ->fd (fileno $arg{fh})
639 ->events (($arg{poll} =~ /r/ ? 1 : 0)
640 | ($arg{poll} =~ /w/ ? 2 : 0))
641 ->start
642 ->cb (sub {
643 $cb->(($_[1] & 1 ? 'r' : '')
644 . ($_[1] & 2 ? 'w' : ''));
645 })],
646 urxvt::anyevent::
647}
648
649sub DESTROY {
650 $_[0][1]->stop;
651}
652
653sub condvar {
654 bless \my $flag, urxvt::anyevent::condvar::
655}
656
657sub urxvt::anyevent::condvar::broadcast {
658 ${$_[0]}++;
659}
660
661sub urxvt::anyevent::condvar::wait {
662 unless (${$_[0]}) {
663 require Carp;
664 Carp::croak ("AnyEvent->condvar blocking wait unsupported in urxvt, use a non-blocking API");
349 } 665 }
350
351 0
352} 666}
353 667
354=back 668package urxvt::term;
355 669
356=head2 The C<urxvt::term> Class 670=head2 The C<urxvt::term> Class
357 671
358=over 4 672=over 4
673
674=item $term->destroy
675
676Destroy the terminal object (close the window, free resources etc.).
677
678=item $isset = $term->option ($optval[, $set])
679
680Returns true if the option specified by C<$optval> is enabled, and
681optionally change it. All option values are stored by name in the hash
682C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
683
684Here is a a likely non-exhaustive list of option names, please see the
685source file F</src/optinc.h> to see the actual list:
686
687 borderLess console cursorBlink cursorUnderline hold iconic insecure
688 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage
689 pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating
690 scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer
691 secondaryScreen secondaryScroll skipBuiltinGlyphs transparent
692 tripleclickwords utmpInhibit visualBell
359 693
360=item $value = $term->resource ($name[, $newval]) 694=item $value = $term->resource ($name[, $newval])
361 695
362Returns the current resource value associated with a given name and 696Returns the current resource value associated with a given name and
363optionally sets a new value. Setting values is most useful in the C<init> 697optionally sets a new value. Setting values is most useful in the C<init>
373 707
374Please note that resource strings will currently only be freed when the 708Please note that resource strings will currently only be freed when the
375terminal is destroyed, so changing options frequently will eat memory. 709terminal is destroyed, so changing options frequently will eat memory.
376 710
377Here is a a likely non-exhaustive list of resource names, not all of which 711Here is a a likely non-exhaustive list of resource names, not all of which
378are supported in every build, please see the source to see the actual 712are supported in every build, please see the source file F</src/rsinc.h>
379list: 713to see the actual list:
380 714
381 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont 715 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
382 borderLess color cursorBlink cursorUnderline cutchars delete_key 716 borderLess color cursorBlink cursorUnderline cutchars delete_key
383 display_name embed ext_bwidth fade font geometry hold iconName 717 display_name embed ext_bwidth fade font geometry hold iconName
384 imFont imLocale inputMethod insecure int_bwidth intensityStyles 718 imFont imLocale inputMethod insecure int_bwidth intensityStyles
385 italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier 719 italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier
386 mouseWheelScrollPage name pastableTabs path perl_eval perl_ext 720 mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2
387 perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd 721 perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd
388 reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating 722 reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating
389 scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput 723 scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput
390 scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle 724 scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle
391 shade term_name title transparent transparent_all tripleclickwords 725 shade term_name title transparent transparent_all tripleclickwords
392 utmpInhibit visualBell 726 utmpInhibit visualBell
393 727
394=cut 728=cut
395 729
396sub urxvt::term::resource($$;$) { 730sub resource($$;$) {
397 my ($self, $name) = (shift, shift); 731 my ($self, $name) = (shift, shift);
398 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0); 732 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
399 goto &urxvt::term::_resource; 733 &urxvt::term::_resource
400} 734}
735
736=item $rend = $term->rstyle ([$new_rstyle])
737
738Return and optionally change the current rendition. Text that is output by
739the terminal application will use this style.
740
741=item ($row, $col) = $term->screen_cur ([$row, $col])
742
743Return the current coordinates of the text cursor position and optionally
744set it (which is usually bad as applications don't expect that).
401 745
402=item ($row, $col) = $term->selection_mark ([$row, $col]) 746=item ($row, $col) = $term->selection_mark ([$row, $col])
403 747
404=item ($row, $col) = $term->selection_beg ([$row, $col]) 748=item ($row, $col) = $term->selection_beg ([$row, $col])
405 749
415 759
416=item $oldtext = $term->selection ([$newtext]) 760=item $oldtext = $term->selection ([$newtext])
417 761
418Return the current selection text and optionally replace it by C<$newtext>. 762Return the current selection text and optionally replace it by C<$newtext>.
419 763
420=item $term->scr_overlay ($x, $y, $text) 764#=item $term->overlay ($x, $y, $text)
421 765#
422Create a simple multi-line overlay box. See the next method for details. 766#Create a simple multi-line overlay box. See the next method for details.
767#
768#=cut
769#
770#sub urxvt::term::scr_overlay {
771# my ($self, $x, $y, $text) = @_;
772#
773# my @lines = split /\n/, $text;
774#
775# my $w = 0;
776# for (map $self->strwidth ($_), @lines) {
777# $w = $_ if $w < $_;
778# }
779#
780# $self->scr_overlay_new ($x, $y, $w, scalar @lines);
781# $self->scr_overlay_set (0, $_, $lines[$_]) for 0.. $#lines;
782#}
783
784=item $term->overlay ($x, $y, $width, $height[, $rstyle[, $border]])
785
786Create a new (empty) overlay at the given position with the given
787width/height. C<$rstyle> defines the initial rendition style
788(default: C<OVERLAY_RSTYLE>).
789
790If C<$border> is C<2> (default), then a decorative border will be put
791around the box.
792
793If either C<$x> or C<$y> is negative, then this is counted from the
794right/bottom side, respectively.
795
796This method returns an urxvt::overlay object. The overlay will be visible
797as long as the perl object is referenced.
798
799The methods currently supported on C<urxvt::overlay> objects are:
800
801=over 4
802
803=item $overlay->set ($x, $y, $text, $rend)
804
805Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts
806text in rxvt-unicode's special encoding and an array of rendition values
807at a specific position inside the overlay.
808
809=item $overlay->hide
810
811If visible, hide the overlay, but do not destroy it.
812
813=item $overlay->show
814
815If hidden, display the overlay again.
816
817=back
818
819=item $popup = $term->popup ($event)
820
821Creates a new C<urxvt::popup> object that implements a popup menu. The
822C<$event> I<must> be the event causing the menu to pop up (a button event,
823currently).
423 824
424=cut 825=cut
425 826
426sub urxvt::term::scr_overlay { 827sub popup {
427 my ($self, $x, $y, $text) = @_; 828 my ($self, $event) = @_;
428 829
429 my @lines = split /\n/, $text; 830 $self->grab ($event->{time}, 1)
831 or return;
430 832
431 my $w = 0; 833 my $popup = bless {
432 for (map $self->strwidth ($_), @lines) { 834 term => $self,
433 $w = $_ if $w < $_; 835 event => $event,
434 } 836 }, urxvt::popup::;
435 837
436 $self->scr_overlay_new ($x, $y, $w, scalar @lines); 838 Scalar::Util::weaken $popup->{term};
437 $self->scr_overlay_set (0, $_, $lines[$_]) for 0.. $#lines;
438}
439 839
440=item $term->scr_overlay_new ($x, $y, $width, $height) 840 $self->{_destroy}{$popup} = urxvt::destroy_hook { $popup->{popup}->destroy };
841 Scalar::Util::weaken $self->{_destroy}{$popup};
441 842
442Create a new (empty) overlay at the given position with the given 843 $popup
443width/height. A border will be put around the box. If either C<$x> or 844}
444C<$y> is negative, then this is counted from the right/bottom side,
445respectively.
446 845
447=item $term->scr_overlay_off
448
449Switch the overlay off again.
450
451=item $term->scr_overlay_set_char ($x, $y, $char, $rend = OVERLAY_RSTYLE)
452
453Put a single character (specified numerically) at the given overlay
454position.
455
456=item $term->scr_overlay_set ($x, $y, $text)
457
458Write a string at the given position into the overlay.
459
460=item $cellwidth = $term->strwidth $string 846=item $cellwidth = $term->strwidth ($string)
461 847
462Returns the number of screen-cells this string would need. Correctly 848Returns the number of screen-cells this string would need. Correctly
463accounts for wide and combining characters. 849accounts for wide and combining characters.
464 850
465=item $octets = $term->locale_encode $string 851=item $octets = $term->locale_encode ($string)
466 852
467Convert the given text string into the corresponding locale encoding. 853Convert the given text string into the corresponding locale encoding.
468 854
469=item $string = $term->locale_decode $octets 855=item $string = $term->locale_decode ($octets)
470 856
471Convert the given locale-encoded octets into a perl string. 857Convert the given locale-encoded octets into a perl string.
858
859=item $term->scr_add_lines ($string)
860
861Write the given text string to the screen, as if output by the application
862running inside the terminal. It may not contain command sequences (escape
863codes), but is free to use line feeds, carriage returns and tabs. The
864string is a normal text string, not in locale-dependent encoding.
865
866Normally its not a good idea to use this function, as programs might be
867confused by changes in cursor position or scrolling. Its useful inside a
868C<on_add_lines> hook, though.
869
870=item $term->cmd_parse ($octets)
871
872Similar to C<scr_add_lines>, but the argument must be in the
873locale-specific encoding of the terminal and can contain command sequences
874(escape codes) that will be interpreted.
472 875
473=item $term->tt_write ($octets) 876=item $term->tt_write ($octets)
474 877
475Write the octets given in C<$data> to the tty (i.e. as program input). To 878Write the octets given in C<$data> to the tty (i.e. as program input). To
476pass characters instead of octets, you should convert your strings first 879pass characters instead of octets, you should convert your strings first
477to the locale-specific encoding using C<< $term->locale_encode >>. 880to the locale-specific encoding using C<< $term->locale_encode >>.
478 881
882=item $windowid = $term->parent
883
884Return the window id of the toplevel window.
885
886=item $windowid = $term->vt
887
888Return the window id of the terminal window.
889
890=item $window_width = $term->width
891
892=item $window_height = $term->height
893
894=item $font_width = $term->fwidth
895
896=item $font_height = $term->fheight
897
898=item $font_ascent = $term->fbase
899
479=item $nrow = $term->nrow 900=item $terminal_rows = $term->nrow
480 901
481=item $ncol = $term->ncol 902=item $terminal_columns = $term->ncol
482 903
483Return the number of rows/columns of the terminal window (i.e. as 904=item $has_focus = $term->focus
484specified by C<-geometry>, excluding any scrollback).
485 905
486=item $nsaved = $term->nsaved 906=item $is_mapped = $term->mapped
487 907
488Returns the number of lines in the scrollback buffer. 908=item $max_scrollback = $term->saveLines
909
910=item $nrow_plus_saveLines = $term->total_rows
911
912=item $lines_in_scrollback = $term->nsaved
913
914Return various integers describing terminal characteristics.
915
916=item $modifiermask = $term->ModLevel3Mask
917
918=item $modifiermask = $term->ModMetaMask
919
920=item $modifiermask = $term->ModNumLockMask
921
922Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
923AltGr), the meta key (often Alt) and the num lock key, if applicable.
489 924
490=item $view_start = $term->view_start ([$newvalue]) 925=item $view_start = $term->view_start ([$newvalue])
491 926
492Returns the negative row number of the topmost line. Minimum value is 927Returns the negative row number of the topmost line. Minimum value is
493C<0>, which displays the normal terminal contents. Larger values scroll 928C<0>, which displays the normal terminal contents. Larger values scroll
504=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]]) 939=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
505 940
506Returns the text of the entire row with number C<$row_number>. Row C<0> 941Returns the text of the entire row with number C<$row_number>. Row C<0>
507is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost 942is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost
508terminal line. The scrollback buffer starts at line C<-1> and extends to 943terminal line. The scrollback buffer starts at line C<-1> and extends to
509line C<< -$term->nsaved >>. 944line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line
945is requested.
510 946
511If C<$new_text> is specified, it will replace characters in the current 947If C<$new_text> is specified, it will replace characters in the current
512line, starting at column C<$start_col> (default C<0>), which is useful 948line, starting at column C<$start_col> (default C<0>), which is useful
513to replace only parts of a line. The font index in the rendition will 949to replace only parts of a line. The font index in the rendition will
514automatically be updated. 950automatically be updated.
536 972
537See the section on RENDITION, above. 973See the section on RENDITION, above.
538 974
539=item $length = $term->ROW_l ($row_number[, $new_length]) 975=item $length = $term->ROW_l ($row_number[, $new_length])
540 976
541Returns the number of screen cells that are in use ("the line length"). If 977Returns the number of screen cells that are in use ("the line
542it is C<-1>, then the line is part of a multiple-row logical "line", which 978length"). Unlike the urxvt core, this returns C<< $term->ncol >> if the
543means all characters are in use and it is continued on the next row. 979line is joined with the following one.
980
981=item $bool = $term->is_longer ($row_number)
982
983Returns true if the row is part of a multiple-row logical "line" (i.e.
984joined with the following row), which means all characters are in use
985and it is continued on the next row (and possibly a continuation of the
986previous row(s)).
987
988=item $line = $term->line ($row_number)
989
990Create and return a new C<urxvt::line> object that stores information
991about the logical line that row C<$row_number> is part of. It supports the
992following methods:
993
994=over 4
995
996=item $text = $line->t ([$new_text])
997
998Returns or replaces the full text of the line, similar to C<ROW_t>
999
1000=item $rend = $line->r ([$new_rend])
1001
1002Returns or replaces the full rendition array of the line, similar to C<ROW_r>
1003
1004=item $length = $line->l
1005
1006Returns the length of the line in cells, similar to C<ROW_l>.
1007
1008=item $rownum = $line->beg
1009
1010=item $rownum = $line->end
1011
1012Return the row number of the first/last row of the line, respectively.
1013
1014=item $offset = $line->offset_of ($row, $col)
1015
1016Returns the character offset of the given row|col pair within the logical
1017line.
1018
1019=item ($row, $col) = $line->coord_of ($offset)
1020
1021Translates a string offset into terminal coordinates again.
1022
1023=back
1024
1025=cut
1026
1027sub line {
1028 my ($self, $row) = @_;
1029
1030 my $maxrow = $self->nrow - 1;
1031
1032 my ($beg, $end) = ($row, $row);
1033
1034 --$beg while $self->ROW_is_longer ($beg - 1);
1035 ++$end while $self->ROW_is_longer ($end) && $end < $maxrow;
1036
1037 bless {
1038 term => $self,
1039 beg => $beg,
1040 end => $end,
1041 ncol => $self->ncol,
1042 len => ($end - $beg) * $self->ncol + $self->ROW_l ($end),
1043 }, urxvt::line::
1044}
1045
1046sub urxvt::line::t {
1047 my ($self) = @_;
1048
1049 if (@_ > 1)
1050 {
1051 $self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1052 for $self->{beg} .. $self->{end};
1053 }
1054
1055 defined wantarray &&
1056 substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),
1057 0, $self->{len}
1058}
1059
1060sub urxvt::line::r {
1061 my ($self) = @_;
1062
1063 if (@_ > 1)
1064 {
1065 $self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1066 for $self->{beg} .. $self->{end};
1067 }
1068
1069 if (defined wantarray) {
1070 my $rend = [
1071 map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}
1072 ];
1073 $#$rend = $self->{len} - 1;
1074 return $rend;
1075 }
1076
1077 ()
1078}
1079
1080sub urxvt::line::beg { $_[0]{beg} }
1081sub urxvt::line::end { $_[0]{end} }
1082sub urxvt::line::l { $_[0]{len} }
1083
1084sub urxvt::line::offset_of {
1085 my ($self, $row, $col) = @_;
1086
1087 ($row - $self->{beg}) * $self->{ncol} + $col
1088}
1089
1090sub urxvt::line::coord_of {
1091 my ($self, $offset) = @_;
1092
1093 use integer;
1094
1095 (
1096 $offset / $self->{ncol} + $self->{beg},
1097 $offset % $self->{ncol}
1098 )
1099}
544 1100
545=item $text = $term->special_encode $string 1101=item $text = $term->special_encode $string
546 1102
547Converts a perl string into the special encoding used by rxvt-unicode, 1103Converts a perl string into the special encoding used by rxvt-unicode,
548where one character corresponds to one screen cell. See 1104where one character corresponds to one screen cell. See
551=item $string = $term->special_decode $text 1107=item $string = $term->special_decode $text
552 1108
553Converts rxvt-unicodes text reprsentation into a perl string. See 1109Converts rxvt-unicodes text reprsentation into a perl string. See
554C<< $term->ROW_t >> for details. 1110C<< $term->ROW_t >> for details.
555 1111
1112=item $success = $term->grab_button ($button, $modifiermask)
1113
1114Registers a synchronous button grab. See XGrabButton.
1115
1116=item $success = $term->grab ($eventtime[, $sync])
1117
1118Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1119synchronous (C<$sync> is true). Also remembers the grab timestampe.
1120
1121=item $term->allow_events_async
1122
1123Calls XAllowEvents with AsyncBoth for the most recent grab.
1124
1125=item $term->allow_events_sync
1126
1127Calls XAllowEvents with SyncBoth for the most recent grab.
1128
1129=item $term->allow_events_replay
1130
1131Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
1132recent grab.
1133
1134=item $term->ungrab
1135
1136Calls XUngrab for the most recent grab. Is called automatically on
1137evaluation errors, as it is better to lose the grab in the error case as
1138the session.
1139
556=back 1140=back
1141
1142=cut
1143
1144package urxvt::popup;
1145
1146=head2 The C<urxvt::popup> Class
1147
1148=over 4
1149
1150=cut
1151
1152sub add_item {
1153 my ($self, $item) = @_;
1154
1155 $item->{rend}{normal} = "\x1b[0;30;47m" unless exists $item->{rend}{normal};
1156 $item->{rend}{hover} = "\x1b[0;30;46m" unless exists $item->{rend}{hover};
1157 $item->{rend}{active} = "\x1b[m" unless exists $item->{rend}{active};
1158
1159 $item->{render} ||= sub { $_[0]{text} };
1160
1161 push @{ $self->{item} }, $item;
1162}
1163
1164sub add_separator {
1165 my ($self, $sep) = @_;
1166
1167 $sep ||= "═";
1168
1169 $self->add_item ({
1170 rend => { normal => "\x1b[0;30;47m", hover => "\x1b[0;30;47m", active => "\x1b[0;30;47m" },
1171 text => "",
1172 render => sub { $sep x $urxvt::TERM->ncol },
1173 activate => sub { },
1174 });
1175}
1176
1177sub add_title {
1178 my ($self, $title) = @_;
1179
1180 $self->add_item ({
1181 rend => { normal => "\x1b[38;5;11;44m", hover => "\x1b[38;5;11;44m", active => "\x1b[38;5;11;44m" },
1182 text => $title,
1183 activate => sub { },
1184 });
1185}
1186
1187sub add_button {
1188 my ($self, $text, $cb) = @_;
1189
1190 $self->add_item ({ type => "button", text => "[ $text ]", activate => $cb});
1191}
1192
1193sub add_toggle {
1194 my ($self, $text, $cb, $value) = @_;
1195
1196 my $item; $item = {
1197 type => "button",
1198 text => " $text",
1199 value => $value,
1200 render => sub { ($_[0]{value} ? "* " : " ") . $text },
1201 activate => sub { $cb->($_[0]{value} = !$_[0]{value}); },
1202 };
1203
1204 $self->add_item ($item);
1205}
1206
1207sub show {
1208 my ($self) = @_;
1209
1210 local $urxvt::popup::self = $self;
1211
1212 urxvt->new ("--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0,
1213 "--transient-for" => $self->{term}->parent,
1214 "-pe" => "urxvt-popup")
1215 or die "unable to create popup window\n";
1216}
1217
1218sub DESTROY {
1219 my ($self) = @_;
1220
1221 delete $self->{term}{_destroy}{$self};
1222 $self->{term}->ungrab;
1223}
557 1224
558=head2 The C<urxvt::timer> Class 1225=head2 The C<urxvt::timer> Class
559 1226
560This class implements timer watchers/events. Time is represented as a 1227This class implements timer watchers/events. Time is represented as a
561fractional number of seconds since the epoch. Example: 1228fractional number of seconds since the epoch. Example:
562 1229
563 # create a digital clock display in upper right corner 1230 $term->{overlay} = $term->overlay (-1, 0, 8, 1, urxvt::OVERLAY_RSTYLE, 0);
564 $term->{timer} = urxvt::timer 1231 $term->{timer} = urxvt::timer
565 ->new 1232 ->new
566 ->start (urxvt::NOW) 1233 ->interval (1)
567 ->cb (sub { 1234 ->cb (sub {
568 my ($timer) = @_;
569 my $time = $timer->at;
570 $timer->start ($time + 1);
571 $self->scr_overlay (-1, 0, 1235 $term->{overlay}->set (0, 0,
572 POSIX::strftime "%H:%M:%S", localtime $time); 1236 sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
573 }); 1237 });
574 1238
575=over 4 1239=over 4
576 1240
577=item $timer = new urxvt::timer 1241=item $timer = new urxvt::timer
578 1242
579Create a new timer object in stopped state. 1243Create a new timer object in started state. It is scheduled to fire
1244immediately.
580 1245
581=item $timer = $timer->cb (sub { my ($timer) = @_; ... }) 1246=item $timer = $timer->cb (sub { my ($timer) = @_; ... })
582 1247
583Set the callback to be called when the timer triggers. 1248Set the callback to be called when the timer triggers.
584 1249
587Return the time this watcher will fire next. 1252Return the time this watcher will fire next.
588 1253
589=item $timer = $timer->set ($tstamp) 1254=item $timer = $timer->set ($tstamp)
590 1255
591Set the time the event is generated to $tstamp. 1256Set the time the event is generated to $tstamp.
1257
1258=item $timer = $timer->interval ($interval)
1259
1260Normally (and when C<$interval> is C<0>), the timer will automatically
1261stop after it has fired once. If C<$interval> is non-zero, then the timer
1262is automatically rescheduled at the given intervals.
592 1263
593=item $timer = $timer->start 1264=item $timer = $timer->start
594 1265
595Start the timer. 1266Start the timer.
596 1267
659This variable controls the verbosity level of the perl extension. Higher 1330This variable controls the verbosity level of the perl extension. Higher
660numbers indicate more verbose output. 1331numbers indicate more verbose output.
661 1332
662=over 4 1333=over 4
663 1334
664=item 0 - only fatal messages 1335=item == 0 - fatal messages
665 1336
666=item 3 - script loading and management 1337=item >= 3 - script loading and management
667 1338
668=item 10 - all events received 1339=item >=10 - all events received
669 1340
670=back 1341=back
671 1342
672=head1 AUTHOR 1343=head1 AUTHOR
673 1344

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