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Comparing rxvt-unicode/src/urxvt.pm (file contents):
Revision 1.26 by root, Tue Jan 3 21:22:22 2006 UTC vs.
Revision 1.85 by root, Thu Jan 12 03:32:56 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
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). Right now, it tries to
46urls and complete shell-quoted arguments, which is very convenient, too, 46select urls and complete shell-quoted arguments, which is very convenient,
47if your F<ls> supports C<--quoting-style=shell>. 47too, if your F<ls> supports C<--quoting-style=shell>.
48 48
49It also offers the following bindable event: 49It also offers the following bindable keyboard command:
50 50
51=over 4 51=over 4
52 52
53=item rot13 53=item rot13
54 54
56 56
57 URxvt.keysym.C-M-r: perl:selection:rot13 57 URxvt.keysym.C-M-r: perl:selection:rot13
58 58
59=back 59=back
60 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 (such as uri unescaping, perl
70evalution, web-browser starting etc.), depending on content.
71
72=item searchable-scrollback<hotkey> (enabled by default)
73
74Adds regex search functionality to the scrollback buffer, triggered
75by a hotkey (default: C<M-s>). When in search mode, normal terminal
76input/output is suspended.
77
78C</> starts an incremental regex search, C<n> searches further, C<p> or
79C<N> jump to the previous match, C<G> jumps to the bottom and clears the
80history, C<enter> leaves search mode at the current position and C<escape>
81returns to the original position.
82
61=item digital-clock 83=item digital-clock
62 84
63Displays a digital clock using the built-in overlay. 85Displays a digital clock using the built-in overlay.
86
87=item mark-urls
88
89Uses per-line display filtering (C<on_line_update>) to underline urls and
90make them clickable. When middle-clicked, the program specified in the
91resource C<urlLauncher> (default C<x-www-browser>) will be started.
92
93=item block-graphics-to-ascii
94
95A not very useful example of filtering all text output to the terminal,
96by replacing all line-drawing characters (U+2500 .. U+259F) by a
97similar-looking ascii character.
64 98
65=item example-refresh-hooks 99=item example-refresh-hooks
66 100
67Displays a very simple digital clock in the upper right corner of the 101Displays a very simple digital clock in the upper right corner of the
68window. Illustrates overwriting the refresh callbacks to create your own 102window. Illustrates overwriting the refresh callbacks to create your own
69overlays or changes. 103overlays or changes.
70 104
71=back 105=back
106
107=head1 API DOCUMENTATION
72 108
73=head2 General API Considerations 109=head2 General API Considerations
74 110
75All objects (such as terminals, time watchers etc.) are typical 111All objects (such as terminals, time watchers etc.) are typical
76reference-to-hash objects. The hash can be used to store anything you 112reference-to-hash objects. The hash can be used to store anything you
81When objects are destroyed on the C++ side, the perl object hashes are 117When objects are destroyed on the C++ side, the perl object hashes are
82emptied, so its best to store related objects such as time watchers and 118emptied, so its best to store related objects such as time watchers and
83the like inside the terminal object so they get destroyed as soon as the 119the like inside the terminal object so they get destroyed as soon as the
84terminal is destroyed. 120terminal is destroyed.
85 121
122Argument names also often indicate the type of a parameter. Here are some
123hints on what they mean:
124
125=over 4
126
127=item $text
128
129Rxvt-unicodes special way of encoding text, where one "unicode" character
130always represents one screen cell. See L<ROW_t> for a discussion of this format.
131
132=item $string
133
134A perl text string, with an emphasis on I<text>. It can store all unicode
135characters and is to be distinguished with text encoded in a specific
136encoding (often locale-specific) and binary data.
137
138=item $octets
139
140Either binary data or - more common - a text string encoded in a
141locale-specific way.
142
143=back
144
145=head2 Extension Objects
146
147Very perl extension is a perl class. A separate perl object is created
148for each terminal and each extension and passed as the first parameter to
149hooks. So extensions can use their C<$self> object without having to think
150about other extensions, with the exception of methods and members that
151begin with an underscore character C<_>: these are reserved for internal
152use.
153
154Although it isn't a C<urxvt::term> object, you can call all methods of the
155C<urxvt::term> class on this object.
156
157It has the following methods and data members:
158
159=over 4
160
161=item $urxvt_term = $self->{term}
162
163Returns the C<urxvt::term> object associated with this instance of the
164extension. This member I<must not> be changed in any way.
165
166=item $self->enable ($hook_name => $cb, [$hook_name => $cb..])
167
168Dynamically enable the given hooks (named without the C<on_> prefix) for
169this extension, replacing any previous hook. This is useful when you want
170to overwrite time-critical hooks only temporarily.
171
172=item $self->disable ($hook_name[, $hook_name..])
173
174Dynamically disable the given hooks.
175
176=back
177
86=head2 Hooks 178=head2 Hooks
87 179
88The following subroutines can be declared in loaded scripts, and will be 180The following subroutines can be declared in extension files, and will be
89called whenever the relevant event happens. 181called whenever the relevant event happens.
90 182
91The first argument passed to them is an object private to each terminal 183The first argument passed to them is an extension oject as described in
92and extension package. You can call all C<urxvt::term> methods on it, but 184the in the C<Extension Objects> section.
93its not a real C<urxvt::term> object. Instead, the real C<urxvt::term>
94object that is shared between all packages is stored in the C<term>
95member.
96 185
97All of them must return a boolean value. If it is true, then the event 186B<All> of these hooks must return a boolean value. If it is true, then the
98counts as being I<consumed>, and the invocation of other hooks is skipped, 187event counts as being I<consumed>, and the invocation of other hooks is
99and the relevant action might not be carried out by the C++ code. 188skipped, and the relevant action might not be carried out by the C++ code.
100 189
101When in doubt, return a false value (preferably C<()>). 190I<< When in doubt, return a false value (preferably C<()>). >>
102 191
103=over 4 192=over 4
104 193
105=item on_init $term 194=item on_init $term
106 195
107Called after a new terminal object has been initialized, but before 196Called after a new terminal object has been initialized, but before
108windows are created or the command gets run. 197windows are created or the command gets run. Most methods are unsafe to
198call or deliver senseless data, as terminal size and other characteristics
199have not yet been determined. You can safely query and change resources,
200though.
109 201
110=item on_reset $term 202=item on_reset $term
111 203
112Called after the screen is "reset" for any reason, such as resizing or 204Called after the screen is "reset" for any reason, such as resizing or
113control sequences. Here is where you can react on changes to size-related 205control sequences. Here is where you can react on changes to size-related
138=item on_sel_extend $term 230=item on_sel_extend $term
139 231
140Called whenever the user tries to extend the selection (e.g. with a double 232Called whenever the user tries to extend the selection (e.g. with a double
141click) and is either supposed to return false (normal operation), or 233click) and is either supposed to return false (normal operation), or
142should extend the selection itelf and return true to suppress the built-in 234should extend the selection itelf and return true to suppress the built-in
143processing. 235processing. This can happen multiple times, as long as the callback
236returns true, it will be called on every further click by the user and is
237supposed to enlarge the selection more and more, if possible.
144 238
145See the F<selection> example extension. 239See the F<selection> example extension.
146
147=item on_focus_in $term
148
149Called whenever the window gets the keyboard focus, before urxvt does
150focus in processing.
151
152=item on_focus_out $term
153
154Called wheneever the window loses keyboard focus, before urxvt does focus
155out processing.
156 240
157=item on_view_change $term, $offset 241=item on_view_change $term, $offset
158 242
159Called whenever the view offset changes, i..e the user or program 243Called whenever the view offset changes, i..e the user or program
160scrolls. Offset C<0> means display the normal terminal, positive values 244scrolls. Offset C<0> means display the normal terminal, positive values
168 252
169It is called before lines are scrolled out (so rows 0 .. min ($lines - 1, 253It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,
170$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total 254$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total
171number of lines that will be in the scrollback buffer. 255number of lines that will be in the scrollback buffer.
172 256
173=item on_tty_activity $term *NYI* 257=item on_osc_seq $term, $string
174 258
175Called whenever the program(s) running in the urxvt window send output. 259Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
260operating system command) is processed. Cursor position and other state
261information is up-to-date when this happens. For interoperability, the
262string should start with the extension name and a colon, to distinguish
263it from commands for other extensions, and this might be enforced in the
264future.
265
266Be careful not ever to trust (in a security sense) the data you receive,
267as its source can not easily be controleld (e-mail content, messages from
268other users on the same system etc.).
269
270=item on_add_lines $term, $string
271
272Called whenever text is about to be output, with the text as argument. You
273can filter/change and output the text yourself by returning a true value
274and calling C<< $term->scr_add_lines >> yourself. Please note that this
275might be very slow, however, as your hook is called for B<all> text being
276output.
277
278=item on_tt_write $term, $octets
279
280Called whenever some data is written to the tty/pty and can be used to
281suppress or filter tty input.
282
283=item on_line_update $term, $row
284
285Called whenever a line was updated or changed. Can be used to filter
286screen output (e.g. underline urls or other useless stuff). Only lines
287that are being shown will be filtered, and, due to performance reasons,
288not always immediately.
289
290The row number is always the topmost row of the line if the line spans
291multiple rows.
292
293Please note that, if you change the line, then the hook might get called
294later with the already-modified line (e.g. if unrelated parts change), so
295you cannot just toggle rendition bits, but only set them.
176 296
177=item on_refresh_begin $term 297=item on_refresh_begin $term
178 298
179Called just before the screen gets redrawn. Can be used for overlay 299Called just before the screen gets redrawn. Can be used for overlay
180or similar effects by modify terminal contents in refresh_begin, and 300or similar effects by modify terminal contents in refresh_begin, and
189 309
190Called whenever the user presses a key combination that has a 310Called whenever the user presses a key combination that has a
191C<perl:string> action bound to it (see description of the B<keysym> 311C<perl:string> action bound to it (see description of the B<keysym>
192resource in the @@RXVT_NAME@@(1) manpage). 312resource in the @@RXVT_NAME@@(1) manpage).
193 313
314=item on_focus_in $term
315
316Called whenever the window gets the keyboard focus, before rxvt-unicode
317does focus in processing.
318
319=item on_focus_out $term
320
321Called wheneever the window loses keyboard focus, before rxvt-unicode does
322focus out processing.
323
324=item on_key_press $term, $event, $keysym, $octets
325
326=item on_key_release $term, $event, $keysym
327
328=item on_button_press $term, $event
329
330=item on_button_release $term, $event
331
332=item on_motion_notify $term, $event
333
334=item on_map_notify $term, $event
335
336=item on_unmap_notify $term, $event
337
338Called whenever the corresponding X event is received for the terminal If
339the hook returns true, then the even will be ignored by rxvt-unicode.
340
341The event is a hash with most values as named by Xlib (see the XEvent
342manpage), with the additional members C<row> and C<col>, which are the row
343and column under the mouse cursor.
344
345C<on_key_press> additionally receives the string rxvt-unicode would
346output, if any, in locale-specific encoding.
347
348subwindow.
349
194=back 350=back
195 351
352=cut
353
354package urxvt;
355
356use utf8;
357use strict;
358use Carp ();
359use Scalar::Util ();
360use List::Util ();
361
362our $VERSION = 1;
363our $TERM;
364our @HOOKNAME;
365our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
366our %OPTION;
367
368our $LIBDIR;
369our $RESNAME;
370our $RESCLASS;
371our $RXVTNAME;
372
196=head2 Variables in the C<urxvt> Package 373=head2 Variables in the C<urxvt> Package
197 374
198=over 4 375=over 4
199 376
377=item $urxvt::LIBDIR
378
379The rxvt-unicode library directory, where, among other things, the perl
380modules and scripts are stored.
381
382=item $urxvt::RESCLASS, $urxvt::RESCLASS
383
384The resource class and name rxvt-unicode uses to look up X resources.
385
386=item $urxvt::RXVTNAME
387
388The basename of the installed binaries, usually C<urxvt>.
389
200=item $urxvt::TERM 390=item $urxvt::TERM
201 391
202The current terminal. Whenever a callback/Hook is bein executed, this 392The current terminal. This variable stores the current C<urxvt::term>
203variable stores the current C<urxvt::term> object. 393object, whenever a callback/hook is executing.
204 394
205=back 395=back
206 396
207=head2 Functions in the C<urxvt> Package 397=head2 Functions in the C<urxvt> Package
208 398
221that calls this function. 411that calls this function.
222 412
223Using this function has the advantage that its output ends up in the 413Using this function has the advantage that its output ends up in the
224correct place, e.g. on stderr of the connecting urxvtc client. 414correct place, e.g. on stderr of the connecting urxvtc client.
225 415
416Messages have a size limit of 1023 bytes currently.
417
418=item $is_safe = urxvt::safe
419
420Returns true when it is safe to do potentially unsafe things, such as
421evaluating perl code specified by the user. This is true when urxvt was
422started setuid or setgid.
423
226=item $time = urxvt::NOW 424=item $time = urxvt::NOW
227 425
228Returns the "current time" (as per the event loop). 426Returns the "current time" (as per the event loop).
427
428=item urxvt::CurrentTime
429
430=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
431Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
432Button4Mask, Button5Mask, AnyModifier
433
434Various constants for use in X calls and event processing.
229 435
230=back 436=back
231 437
232=head2 RENDITION 438=head2 RENDITION
233 439
260 466
261=item $background = urxvt::GET_BASEBG $rend 467=item $background = urxvt::GET_BASEBG $rend
262 468
263Return the foreground/background colour index, respectively. 469Return the foreground/background colour index, respectively.
264 470
265=item $rend = urxvt::SET_FGCOLOR ($rend, $new_colour) 471=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour
266 472
267=item $rend = urxvt::SET_BGCOLOR ($rend, $new_colour) 473=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour
268 474
269Replace the foreground/background colour in the rendition mask with the 475Replace the foreground/background colour in the rendition mask with the
270specified one. 476specified one.
271 477
272=item $value = urxvt::GET_CUSTOM ($rend) 478=item $value = urxvt::GET_CUSTOM $rend
273 479
274Return the "custom" value: Every rendition has 5 bits for use by 480Return the "custom" value: Every rendition has 5 bits for use by
275extensions. They can be set and changed as you like and are initially 481extensions. They can be set and changed as you like and are initially
276zero. 482zero.
277 483
278=item $rend = urxvt::SET_CUSTOM ($rend, $new_value) 484=item $rend = urxvt::SET_CUSTOM $rend, $new_value
279 485
280Change the custom value. 486Change the custom value.
281 487
282=back 488=back
283 489
284=cut 490=cut
285
286package urxvt;
287
288use strict;
289use Scalar::Util ();
290
291our $TERM;
292our @HOOKNAME;
293our $LIBDIR;
294 491
295BEGIN { 492BEGIN {
296 urxvt->bootstrap; 493 urxvt->bootstrap;
297 494
298 # overwrite perl's warn 495 # overwrite perl's warn
300 my $msg = join "", @_; 497 my $msg = join "", @_;
301 $msg .= "\n" 498 $msg .= "\n"
302 unless $msg =~ /\n$/; 499 unless $msg =~ /\n$/;
303 urxvt::warn ($msg); 500 urxvt::warn ($msg);
304 }; 501 };
502
503 # %ENV is the original startup environment
504 delete $ENV{IFS};
505 delete $ENV{CDPATH};
506 delete $ENV{BASH_ENV};
507 $ENV{PATH} = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin:/opt/sbin";
305} 508}
306 509
307my @hook_count; 510my @hook_count;
308my $verbosity = $ENV{URXVT_PERL_VERBOSITY}; 511my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
309 512
310sub verbose { 513sub verbose {
311 my ($level, $msg) = @_; 514 my ($level, $msg) = @_;
312 warn "$msg\n" if $level <= $verbosity; 515 warn "$msg\n" if $level <= $verbosity;
313} 516}
314 517
315# find on_xxx subs in the package and register them 518my $extension_pkg = "extension0000";
316# as hooks 519my %extension_pkg;
317sub register_package($) {
318 my ($pkg) = @_;
319
320 for my $htype (0.. $#HOOKNAME) {
321 my $name = $HOOKNAME[$htype];
322
323 my $ref = $pkg->can ("on_" . lc $name)
324 or next;
325
326 $TERM->{_hook}[$htype]{$pkg} = $ref;
327 $hook_count[$htype]++
328 or set_should_invoke $htype, 1;
329 }
330}
331
332my $script_pkg = "script0000";
333my %script_pkg;
334 520
335# load a single script into its own package, once only 521# load a single script into its own package, once only
336sub script_package($) { 522sub extension_package($) {
337 my ($path) = @_; 523 my ($path) = @_;
338 524
339 $script_pkg{$path} ||= do { 525 $extension_pkg{$path} ||= do {
340 my $pkg = "urxvt::" . ($script_pkg++); 526 my $pkg = "urxvt::" . ($extension_pkg++);
341 527
342 verbose 3, "loading script '$path' into package '$pkg'"; 528 verbose 3, "loading extension '$path' into package '$pkg'";
343 529
344 open my $fh, "<:raw", $path 530 open my $fh, "<:raw", $path
345 or die "$path: $!"; 531 or die "$path: $!";
346 532
533 my $source = untaint
347 my $source = "package $pkg; use strict; use utf8;\n" 534 "package $pkg; use strict; use utf8;\n"
535 . "use base urxvt::term::extension::;\n"
348 . "#line 1 \"$path\"\n{\n" 536 . "#line 1 \"$path\"\n{\n"
349 . (do { local $/; <$fh> }) 537 . (do { local $/; <$fh> })
350 . "\n};\n1"; 538 . "\n};\n1";
351 539
540 eval $source
352 eval $source or die "$path: $@"; 541 or die "$path: $@";
353 542
354 $pkg 543 $pkg
355 } 544 }
356} 545}
546
547our $retval; # return value for urxvt
357 548
358# called by the rxvt core 549# called by the rxvt core
359sub invoke { 550sub invoke {
360 local $TERM = shift; 551 local $TERM = shift;
361 my $htype = shift; 552 my $htype = shift;
362 553
363 if ($htype == 0) { # INIT 554 if ($htype == 0) { # INIT
364 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); 555 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
556
557 my %ext_arg;
365 558
366 for my $ext (split /:/, $TERM->resource ("perl_ext")) { 559 for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
560 if ($_ eq "default") {
561 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback);
562 } elsif (/^-(.*)$/) {
563 delete $ext_arg{$1};
564 } elsif (/^([^<]+)<(.*)>$/) {
565 push @{ $ext_arg{$1} }, $2;
566 } else {
567 $ext_arg{$_} ||= [];
568 }
569 }
570
571 while (my ($ext, $argv) = each %ext_arg) {
367 my @files = grep -f $_, map "$_/$ext", @dirs; 572 my @files = grep -f $_, map "$_/$ext", @dirs;
368 573
369 if (@files) { 574 if (@files) {
370 register_package script_package $files[0]; 575 $TERM->register_package (extension_package $files[0], $argv);
371 } else { 576 } else {
372 warn "perl extension '$ext' not found in perl library search path\n"; 577 warn "perl extension '$ext' not found in perl library search path\n";
373 } 578 }
374 } 579 }
375 580
581 eval "#line 1 \"--perl-eval resource/argument\"\n" . $TERM->resource ("perl_eval");
582 warn $@ if $@;
583 }
584
585 $retval = undef;
586
587 if (my $cb = $TERM->{_hook}[$htype]) {
588 verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
589 if $verbosity >= 10;
590
591 keys %$cb;
592
593 while (my ($pkg, $cb) = each %$cb) {
594 $retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) }
595 and last;
596
597 if ($@) {
598 $TERM->ungrab; # better to lose the grab than the session
599 warn $@;
600 }
601 }
602
603 verbose 11, "$HOOKNAME[$htype] returning <$retval>"
604 if $verbosity >= 11;
605 }
606
376 } elsif ($htype == 1) { # DESTROY 607 if ($htype == 1) { # DESTROY
377 if (my $hook = $TERM->{_hook}) { 608 if (my $hook = delete $TERM->{_hook}) {
378 for my $htype (0..$#$hook) { 609 for my $htype (0..$#$hook) {
379 $hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} } 610 $hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
380 or set_should_invoke $htype, 0; 611 or set_should_invoke $htype, 0;
381 } 612 }
382 } 613 }
614
615 # clear package objects
616 %$_ = () for values %{ $TERM->{_pkg} };
617
618 # clear package
619 %$TERM = ();
383 } 620 }
384 621
385 my $cb = $TERM->{_hook}[$htype] 622 $retval
386 or return; 623}
387 624
388 verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")" 625sub exec_async(@) {
389 if $verbosity >= 10; 626 my $pid = fork;
390 627
391 keys %$cb; 628 return
629 if !defined $pid or $pid;
392 630
631 %ENV = %{ $TERM->env };
632
633 exec @_;
634 _exit 255;
635}
636
637# urxvt::term::extension
638
639package urxvt::term::extension;
640
641sub enable {
642 my ($self, %hook) = @_;
643 my $pkg = $self->{_pkg};
644
393 while (my ($pkg, $cb) = each %$cb) { 645 while (my ($name, $cb) = each %hook) {
394 return 1 646 my $htype = $HOOKTYPE{uc $name};
395 if $cb->( 647 defined $htype
396 $TERM->{$pkg} ||= do { 648 or Carp::croak "unsupported hook type '$name'";
397 my $proxy = bless { }, urxvt::term::proxy::; 649
398 Scalar::Util::weaken ($proxy->{term} = $TERM); 650 unless (exists $self->{term}{_hook}[$htype]{$pkg}) {
399 $proxy 651 $hook_count[$htype]++
400 }, 652 or urxvt::set_should_invoke $htype, 1;
401 @_, 653 }
402 ); 654
655 $self->{term}{_hook}[$htype]{$pkg} = $cb;
403 } 656 }
657}
404 658
659sub disable {
660 my ($self, @hook) = @_;
661 my $pkg = $self->{_pkg};
662
663 for my $name (@hook) {
664 my $htype = $HOOKTYPE{uc $name};
665 defined $htype
666 or Carp::croak "unsupported hook type '$name'";
667
668 if (delete $self->{term}{_hook}[$htype]{$pkg}) {
669 --$hook_count[$htype]
670 or urxvt::set_should_invoke $htype, 0;
671 }
405 0 672 }
406} 673}
407 674
408sub urxvt::term::proxy::AUTOLOAD { 675our $AUTOLOAD;
409 $urxvt::term::proxy::AUTOLOAD =~ /:([^:]+)$/ 676
677sub AUTOLOAD {
678 $AUTOLOAD =~ /:([^:]+)$/
410 or die "FATAL: \$AUTOLOAD '$urxvt::term::proxy::AUTOLOAD' unparsable"; 679 or die "FATAL: \$AUTOLOAD '$AUTOLOAD' unparsable";
411 680
412 eval qq{ 681 eval qq{
413 sub $urxvt::term::proxy::AUTOLOAD { 682 sub $AUTOLOAD {
414 my \$proxy = shift; 683 my \$proxy = shift;
415 \$proxy->{term}->$1 (\@_) 684 \$proxy->{term}->$1 (\@_)
416 } 685 }
417 1 686 1
418 } or die "FATAL: unable to compile method forwarder: $@"; 687 } or die "FATAL: unable to compile method forwarder: $@";
419 688
420 goto &$urxvt::term::proxy::AUTOLOAD; 689 goto &$AUTOLOAD;
421} 690}
691
692sub DESTROY {
693 # nop
694}
695
696# urxvt::destroy_hook
697
698sub urxvt::destroy_hook::DESTROY {
699 ${$_[0]}->();
700}
701
702sub urxvt::destroy_hook(&) {
703 bless \shift, urxvt::destroy_hook::
704}
705
706package urxvt::anyevent;
707
708=head2 The C<urxvt::anyevent> Class
709
710The sole purpose of this class is to deliver an interface to the
711C<AnyEvent> module - any module using it will work inside urxvt without
712further programming. The only exception is that you cannot wait on
713condition variables, but non-blocking condvar use is ok. What this means
714is that you cannot use blocking APIs, but the non-blocking variant should
715work.
716
717=cut
718
719our $VERSION = 1;
720
721$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
722push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
723
724sub timer {
725 my ($class, %arg) = @_;
726
727 my $cb = $arg{cb};
728
729 urxvt::timer
730 ->new
731 ->start (urxvt::NOW + $arg{after})
732 ->cb (sub {
733 $_[0]->stop; # need to cancel manually
734 $cb->();
735 })
736}
737
738sub io {
739 my ($class, %arg) = @_;
740
741 my $cb = $arg{cb};
742
743 bless [$arg{fh}, urxvt::iow
744 ->new
745 ->fd (fileno $arg{fh})
746 ->events (($arg{poll} =~ /r/ ? 1 : 0)
747 | ($arg{poll} =~ /w/ ? 2 : 0))
748 ->start
749 ->cb (sub {
750 $cb->(($_[1] & 1 ? 'r' : '')
751 . ($_[1] & 2 ? 'w' : ''));
752 })],
753 urxvt::anyevent::
754}
755
756sub DESTROY {
757 $_[0][1]->stop;
758}
759
760sub condvar {
761 bless \my $flag, urxvt::anyevent::condvar::
762}
763
764sub urxvt::anyevent::condvar::broadcast {
765 ${$_[0]}++;
766}
767
768sub urxvt::anyevent::condvar::wait {
769 unless (${$_[0]}) {
770 Carp::croak "AnyEvent->condvar blocking wait unsupported in urxvt, use a non-blocking API";
771 }
772}
773
774package urxvt::term;
422 775
423=head2 The C<urxvt::term> Class 776=head2 The C<urxvt::term> Class
424 777
425=over 4 778=over 4
779
780=cut
781
782# find on_xxx subs in the package and register them
783# as hooks
784sub register_package {
785 my ($self, $pkg, $argv) = @_;
786
787 my $proxy = bless {
788 _pkg => $pkg,
789 argv => $argv,
790 }, $pkg;
791 Scalar::Util::weaken ($proxy->{term} = $self);
792
793 $self->{_pkg}{$pkg} = $proxy;
794
795 for my $name (@HOOKNAME) {
796 if (my $ref = $pkg->can ("on_" . lc $name)) {
797 $proxy->enable ($name => $ref);
798 }
799 }
800}
801
802=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
803
804Creates a new terminal, very similar as if you had started it with system
805C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
806hash which defines the environment of the new terminal.
807
808Croaks (and probably outputs an error message) if the new instance
809couldn't be created. Returns C<undef> if the new instance didn't
810initialise perl, and the terminal object otherwise. The C<init> and
811C<start> hooks will be called during this call.
812
813=cut
814
815sub new {
816 my ($class, $env, @args) = @_;
817
818 _new ([ map "$_=$env->{$_}", keys %$env ], @args);
819}
820
821=item $term->destroy
822
823Destroy the terminal object (close the window, free resources
824etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event
825watchers (timers, io watchers) are still active.
826
827=item $isset = $term->option ($optval[, $set])
828
829Returns true if the option specified by C<$optval> is enabled, and
830optionally change it. All option values are stored by name in the hash
831C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
832
833Here is a a likely non-exhaustive list of option names, please see the
834source file F</src/optinc.h> to see the actual list:
835
836 borderLess console cursorBlink cursorUnderline hold iconic insecure
837 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage
838 pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating
839 scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer
840 secondaryScreen secondaryScroll skipBuiltinGlyphs transparent
841 tripleclickwords utmpInhibit visualBell
426 842
427=item $value = $term->resource ($name[, $newval]) 843=item $value = $term->resource ($name[, $newval])
428 844
429Returns the current resource value associated with a given name and 845Returns the current resource value associated with a given name and
430optionally sets a new value. Setting values is most useful in the C<init> 846optionally sets a new value. Setting values is most useful in the C<init>
440 856
441Please note that resource strings will currently only be freed when the 857Please note that resource strings will currently only be freed when the
442terminal is destroyed, so changing options frequently will eat memory. 858terminal is destroyed, so changing options frequently will eat memory.
443 859
444Here is a a likely non-exhaustive list of resource names, not all of which 860Here is a a likely non-exhaustive list of resource names, not all of which
445are supported in every build, please see the source to see the actual 861are supported in every build, please see the source file F</src/rsinc.h>
446list: 862to see the actual list:
447 863
448 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont 864 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
449 borderLess color cursorBlink cursorUnderline cutchars delete_key 865 borderLess color cursorBlink cursorUnderline cutchars delete_key
450 display_name embed ext_bwidth fade font geometry hold iconName 866 display_name embed ext_bwidth fade font geometry hold iconName
451 imFont imLocale inputMethod insecure int_bwidth intensityStyles 867 imFont imLocale inputMethod insecure int_bwidth intensityStyles
452 italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier 868 italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier
453 mouseWheelScrollPage name pastableTabs path perl_eval perl_ext 869 mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2
454 perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd 870 perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd
455 reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating 871 reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating
456 scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput 872 scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput
457 scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle 873 scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle
458 shade term_name title transparent transparent_all tripleclickwords 874 shade term_name title transparent transparent_all tripleclickwords
459 utmpInhibit visualBell 875 utmpInhibit visualBell
460 876
461=cut 877=cut
462 878
463sub urxvt::term::resource($$;$) { 879sub resource($$;$) {
464 my ($self, $name) = (shift, shift); 880 my ($self, $name) = (shift, shift);
465 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0); 881 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
466 goto &urxvt::term::_resource; 882 &urxvt::term::_resource
467} 883}
884
885=item $value = $term->x_resource ($pattern)
886
887Returns the X-Resource for the given pattern, excluding the program or
888class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
889same value as used by this instance of rxvt-unicode. Returns C<undef> if no
890resource with that pattern exists.
891
892This method should only be called during the C<on_start> hook, as there is
893only one resource database per display, and later invocations might return
894the wrong resources.
895
896=item $success = $term->parse_keysym ($keysym_spec, $command_string)
897
898Adds a keymap translation exactly as specified via a resource. See the
899C<keysym> resource in the @@RXVT_NAME@@(1) manpage.
900
901=item $rend = $term->rstyle ([$new_rstyle])
902
903Return and optionally change the current rendition. Text that is output by
904the terminal application will use this style.
905
906=item ($row, $col) = $term->screen_cur ([$row, $col])
907
908Return the current coordinates of the text cursor position and optionally
909set it (which is usually bad as applications don't expect that).
468 910
469=item ($row, $col) = $term->selection_mark ([$row, $col]) 911=item ($row, $col) = $term->selection_mark ([$row, $col])
470 912
471=item ($row, $col) = $term->selection_beg ([$row, $col]) 913=item ($row, $col) = $term->selection_beg ([$row, $col])
472 914
482 924
483=item $oldtext = $term->selection ([$newtext]) 925=item $oldtext = $term->selection ([$newtext])
484 926
485Return the current selection text and optionally replace it by C<$newtext>. 927Return the current selection text and optionally replace it by C<$newtext>.
486 928
487#=item $term->overlay ($x, $y, $text) 929=item $term->overlay_simple ($x, $y, $text)
488# 930
489#Create a simple multi-line overlay box. See the next method for details. 931Create a simple multi-line overlay box. See the next method for details.
490# 932
491#=cut 933=cut
492 934
493sub urxvt::term::scr_overlay { 935sub overlay_simple {
494die;
495 my ($self, $x, $y, $text) = @_; 936 my ($self, $x, $y, $text) = @_;
496 937
497 my @lines = split /\n/, $text; 938 my @lines = split /\n/, $text;
498 939
499 my $w = 0; 940 my $w = List::Util::max map $self->strwidth ($_), @lines;
500 for (map $self->strwidth ($_), @lines) {
501 $w = $_ if $w < $_;
502 }
503 941
504 $self->scr_overlay_new ($x, $y, $w, scalar @lines); 942 my $overlay = $self->overlay ($x, $y, $w, scalar @lines);
505 $self->scr_overlay_set (0, $_, $lines[$_]) for 0.. $#lines; 943 $overlay->set (0, $_, $lines[$_]) for 0.. $#lines;
944
945 $overlay
506} 946}
507 947
508=item $term->overlay ($x, $y, $width, $height[, $rstyle[, $border]]) 948=item $term->overlay ($x, $y, $width, $height[, $rstyle[, $border]])
509 949
510Create a new (empty) overlay at the given position with the given 950Create a new (empty) overlay at the given position with the given
538 978
539If hidden, display the overlay again. 979If hidden, display the overlay again.
540 980
541=back 981=back
542 982
983=item $popup = $term->popup ($event)
984
985Creates a new C<urxvt::popup> object that implements a popup menu. The
986C<$event> I<must> be the event causing the menu to pop up (a button event,
987currently).
988
989=cut
990
991sub popup {
992 my ($self, $event) = @_;
993
994 $self->grab ($event->{time}, 1)
995 or return;
996
997 my $popup = bless {
998 term => $self,
999 event => $event,
1000 }, urxvt::popup::;
1001
1002 Scalar::Util::weaken $popup->{term};
1003
1004 $self->{_destroy}{$popup} = urxvt::destroy_hook { $popup->{popup}->destroy };
1005 Scalar::Util::weaken $self->{_destroy}{$popup};
1006
1007 $popup
1008}
1009
543=item $cellwidth = $term->strwidth $string 1010=item $cellwidth = $term->strwidth ($string)
544 1011
545Returns the number of screen-cells this string would need. Correctly 1012Returns the number of screen-cells this string would need. Correctly
546accounts for wide and combining characters. 1013accounts for wide and combining characters.
547 1014
548=item $octets = $term->locale_encode $string 1015=item $octets = $term->locale_encode ($string)
549 1016
550Convert the given text string into the corresponding locale encoding. 1017Convert the given text string into the corresponding locale encoding.
551 1018
552=item $string = $term->locale_decode $octets 1019=item $string = $term->locale_decode ($octets)
553 1020
554Convert the given locale-encoded octets into a perl string. 1021Convert the given locale-encoded octets into a perl string.
1022
1023=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])
1024
1025XORs the rendition values in the given span with the provided value
1026(default: C<RS_RVid>). Useful in refresh hooks to provide effects similar
1027to the selection.
1028
1029=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])
1030
1031Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing
1032whitespace will additionally be xored with the C<$rstyle2>, which defaults
1033to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines
1034it instead.
1035
1036=item $term->scr_bell
1037
1038Ring the bell!
1039
1040=item $term->scr_add_lines ($string)
1041
1042Write the given text string to the screen, as if output by the application
1043running inside the terminal. It may not contain command sequences (escape
1044codes), but is free to use line feeds, carriage returns and tabs. The
1045string is a normal text string, not in locale-dependent encoding.
1046
1047Normally its not a good idea to use this function, as programs might be
1048confused by changes in cursor position or scrolling. Its useful inside a
1049C<on_add_lines> hook, though.
1050
1051=item $term->cmd_parse ($octets)
1052
1053Similar to C<scr_add_lines>, but the argument must be in the
1054locale-specific encoding of the terminal and can contain command sequences
1055(escape codes) that will be interpreted.
555 1056
556=item $term->tt_write ($octets) 1057=item $term->tt_write ($octets)
557 1058
558Write the octets given in C<$data> to the tty (i.e. as program input). To 1059Write the octets given in C<$data> to the tty (i.e. as program input). To
559pass characters instead of octets, you should convert your strings first 1060pass characters instead of octets, you should convert your strings first
560to the locale-specific encoding using C<< $term->locale_encode >>. 1061to the locale-specific encoding using C<< $term->locale_encode >>.
561 1062
1063=item $old_events = $term->pty_ev_events ([$new_events])
1064
1065Replaces the event mask of the pty watcher by the given event mask. Can
1066be used to suppress input and output handling to the pty/tty. See the
1067description of C<< urxvt::timer->events >>. Make sure to always restore
1068the previous value.
1069
1070=item $windowid = $term->parent
1071
1072Return the window id of the toplevel window.
1073
1074=item $windowid = $term->vt
1075
1076Return the window id of the terminal window.
1077
1078=item $window_width = $term->width
1079
1080=item $window_height = $term->height
1081
1082=item $font_width = $term->fwidth
1083
1084=item $font_height = $term->fheight
1085
1086=item $font_ascent = $term->fbase
1087
562=item $nrow = $term->nrow 1088=item $terminal_rows = $term->nrow
563 1089
564=item $ncol = $term->ncol 1090=item $terminal_columns = $term->ncol
565 1091
566Return the number of rows/columns of the terminal window (i.e. as 1092=item $has_focus = $term->focus
567specified by C<-geometry>, excluding any scrollback).
568 1093
1094=item $is_mapped = $term->mapped
1095
1096=item $max_scrollback = $term->saveLines
1097
1098=item $nrow_plus_saveLines = $term->total_rows
1099
1100=item $lines_in_scrollback = $term->nsaved
1101
1102Return various integers describing terminal characteristics.
1103
1104=item $x_display = $term->display_id
1105
1106Return the DISPLAY used by rxvt-unicode.
1107
1108=item $lc_ctype = $term->locale
1109
1110Returns the LC_CTYPE category string used by this rxvt-unicode.
1111
569=item $nsaved = $term->nsaved 1112=item $env = $term->env
570 1113
571Returns the number of lines in the scrollback buffer. 1114Returns a copy of the environment in effect for the terminal as a hashref
1115similar to C<\%ENV>.
1116
1117=cut
1118
1119sub env {
1120 if (my $env = $_[0]->_env) {
1121 +{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), @$env }
1122 } else {
1123 +{ %ENV }
1124 }
1125}
1126
1127=item $modifiermask = $term->ModLevel3Mask
1128
1129=item $modifiermask = $term->ModMetaMask
1130
1131=item $modifiermask = $term->ModNumLockMask
1132
1133Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
1134AltGr), the meta key (often Alt) and the num lock key, if applicable.
572 1135
573=item $view_start = $term->view_start ([$newvalue]) 1136=item $view_start = $term->view_start ([$newvalue])
574 1137
575Returns the negative row number of the topmost line. Minimum value is 1138Returns the negative row number of the topmost line. Minimum value is
576C<0>, which displays the normal terminal contents. Larger values scroll 1139C<0>, which displays the normal terminal contents. Larger values scroll
639about the logical line that row C<$row_number> is part of. It supports the 1202about the logical line that row C<$row_number> is part of. It supports the
640following methods: 1203following methods:
641 1204
642=over 4 1205=over 4
643 1206
644=item $text = $line->t 1207=item $text = $line->t ([$new_text])
645 1208
646Returns the full text of the line, similar to C<ROW_t> 1209Returns or replaces the full text of the line, similar to C<ROW_t>
647 1210
648=item $rend = $line->r 1211=item $rend = $line->r ([$new_rend])
649 1212
650Returns the full rendition array of the line, similar to C<ROW_r> 1213Returns or replaces the full rendition array of the line, similar to C<ROW_r>
651 1214
652=item $length = $line->l 1215=item $length = $line->l
653 1216
654Returns the length of the line in cells, similar to C<ROW_l>. 1217Returns the length of the line in cells, similar to C<ROW_l>.
655 1218
660Return the row number of the first/last row of the line, respectively. 1223Return the row number of the first/last row of the line, respectively.
661 1224
662=item $offset = $line->offset_of ($row, $col) 1225=item $offset = $line->offset_of ($row, $col)
663 1226
664Returns the character offset of the given row|col pair within the logical 1227Returns the character offset of the given row|col pair within the logical
665line. 1228line. Works for rows outside the line, too, and returns corresponding
1229offsets outside the string.
666 1230
667=item ($row, $col) = $line->coord_of ($offset) 1231=item ($row, $col) = $line->coord_of ($offset)
668 1232
669Translates a string offset into terminal coordinates again. 1233Translates a string offset into terminal coordinates again.
670 1234
671=back 1235=back
672 1236
673=cut 1237=cut
674 1238
675sub urxvt::term::line { 1239sub line {
676 my ($self, $row) = @_; 1240 my ($self, $row) = @_;
677 1241
678 my $maxrow = $self->nrow - 1; 1242 my $maxrow = $self->nrow - 1;
679 1243
680 my ($beg, $end) = ($row, $row); 1244 my ($beg, $end) = ($row, $row);
684 1248
685 bless { 1249 bless {
686 term => $self, 1250 term => $self,
687 beg => $beg, 1251 beg => $beg,
688 end => $end, 1252 end => $end,
1253 ncol => $self->ncol,
689 len => ($end - $beg) * $self->ncol + $self->ROW_l ($end), 1254 len => ($end - $beg) * $self->ncol + $self->ROW_l ($end),
690 }, urxvt::line:: 1255 }, urxvt::line::
691} 1256}
692 1257
693sub urxvt::line::t { 1258sub urxvt::line::t {
694 my ($self) = @_; 1259 my ($self) = @_;
695 1260
1261 if (@_ > 1)
1262 {
1263 $self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1264 for $self->{beg} .. $self->{end};
1265 }
1266
1267 defined wantarray &&
696 substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}), 1268 substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),
697 0, $self->{len} 1269 0, $self->{len}
698} 1270}
699 1271
700sub urxvt::line::r { 1272sub urxvt::line::r {
701 my ($self) = @_; 1273 my ($self) = @_;
702 1274
1275 if (@_ > 1)
1276 {
1277 $self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1278 for $self->{beg} .. $self->{end};
1279 }
1280
1281 if (defined wantarray) {
703 my $rend = [ 1282 my $rend = [
704 map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end} 1283 map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}
705 ]; 1284 ];
706 $#$rend = $self->{len} - 1; 1285 $#$rend = $self->{len} - 1;
707 $rend 1286 return $rend;
1287 }
1288
1289 ()
708} 1290}
709 1291
710sub urxvt::line::beg { $_[0]{beg} } 1292sub urxvt::line::beg { $_[0]{beg} }
711sub urxvt::line::end { $_[0]{end} } 1293sub urxvt::line::end { $_[0]{end} }
712sub urxvt::line::l { $_[0]{len} } 1294sub urxvt::line::l { $_[0]{len} }
713 1295
714sub urxvt::line::offset_of { 1296sub urxvt::line::offset_of {
715 my ($self, $row, $col) = @_; 1297 my ($self, $row, $col) = @_;
716 1298
717 ($row - $self->{beg}) * $self->{term}->ncol + $col 1299 ($row - $self->{beg}) * $self->{ncol} + $col
718} 1300}
719 1301
720sub urxvt::line::coord_of { 1302sub urxvt::line::coord_of {
721 my ($self, $offset) = @_; 1303 my ($self, $offset) = @_;
722 1304
723 use integer; 1305 use integer;
724 1306
725 ( 1307 (
726 $offset / $self->{term}->ncol + $self->{beg}, 1308 $offset / $self->{ncol} + $self->{beg},
727 $offset % $self->{term}->ncol 1309 $offset % $self->{ncol}
728 ) 1310 )
729} 1311}
730 1312
731=item ($row, $col) = $line->coord_of ($offset)
732=item $text = $term->special_encode $string 1313=item $text = $term->special_encode $string
733 1314
734Converts a perl string into the special encoding used by rxvt-unicode, 1315Converts a perl string into the special encoding used by rxvt-unicode,
735where one character corresponds to one screen cell. See 1316where one character corresponds to one screen cell. See
736C<< $term->ROW_t >> for details. 1317C<< $term->ROW_t >> for details.
737 1318
738=item $string = $term->special_decode $text 1319=item $string = $term->special_decode $text
739 1320
740Converts rxvt-unicodes text reprsentation into a perl string. See 1321Converts rxvt-unicodes text reprsentation into a perl string. See
741C<< $term->ROW_t >> for details. 1322C<< $term->ROW_t >> for details.
1323
1324=item $success = $term->grab_button ($button, $modifiermask)
1325
1326Registers a synchronous button grab. See the XGrabButton manpage.
1327
1328=item $success = $term->grab ($eventtime[, $sync])
1329
1330Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1331synchronous (C<$sync> is true). Also remembers the grab timestampe.
1332
1333=item $term->allow_events_async
1334
1335Calls XAllowEvents with AsyncBoth for the most recent grab.
1336
1337=item $term->allow_events_sync
1338
1339Calls XAllowEvents with SyncBoth for the most recent grab.
1340
1341=item $term->allow_events_replay
1342
1343Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
1344recent grab.
1345
1346=item $term->ungrab
1347
1348Calls XUngrab for the most recent grab. Is called automatically on
1349evaluation errors, as it is better to lose the grab in the error case as
1350the session.
1351
1352=back
1353
1354=cut
1355
1356package urxvt::popup;
1357
1358=head2 The C<urxvt::popup> Class
1359
1360=over 4
1361
1362=cut
1363
1364sub add_item {
1365 my ($self, $item) = @_;
1366
1367 $item->{rend}{normal} = "\x1b[0;30;47m" unless exists $item->{rend}{normal};
1368 $item->{rend}{hover} = "\x1b[0;30;46m" unless exists $item->{rend}{hover};
1369 $item->{rend}{active} = "\x1b[m" unless exists $item->{rend}{active};
1370
1371 $item->{render} ||= sub { $_[0]{text} };
1372
1373 push @{ $self->{item} }, $item;
1374}
1375
1376=item $popup->add_title ($title)
1377
1378Adds a non-clickable title to the popup.
1379
1380=cut
1381
1382sub add_title {
1383 my ($self, $title) = @_;
1384
1385 $self->add_item ({
1386 rend => { normal => "\x1b[38;5;11;44m", hover => "\x1b[38;5;11;44m", active => "\x1b[38;5;11;44m" },
1387 text => $title,
1388 activate => sub { },
1389 });
1390}
1391
1392=item $popup->add_separator ([$sepchr])
1393
1394Creates a separator, optionally using the character given as C<$sepchr>.
1395
1396=cut
1397
1398sub add_separator {
1399 my ($self, $sep) = @_;
1400
1401 $sep ||= "=";
1402
1403 $self->add_item ({
1404 rend => { normal => "\x1b[0;30;47m", hover => "\x1b[0;30;47m", active => "\x1b[0;30;47m" },
1405 text => "",
1406 render => sub { $sep x $self->{term}->ncol },
1407 activate => sub { },
1408 });
1409}
1410
1411=item $popup->add_button ($text, $cb)
1412
1413Adds a clickable button to the popup. C<$cb> is called whenever it is
1414selected.
1415
1416=cut
1417
1418sub add_button {
1419 my ($self, $text, $cb) = @_;
1420
1421 $self->add_item ({ type => "button", text => $text, activate => $cb});
1422}
1423
1424=item $popup->add_toggle ($text, $cb, $initial_value)
1425
1426Adds a toggle/checkbox item to the popup. Teh callback gets called
1427whenever it gets toggled, with a boolean indicating its value as its first
1428argument.
1429
1430=cut
1431
1432sub add_toggle {
1433 my ($self, $text, $cb, $value) = @_;
1434
1435 my $item; $item = {
1436 type => "button",
1437 text => " $text",
1438 value => $value,
1439 render => sub { ($_[0]{value} ? "* " : " ") . $text },
1440 activate => sub { $cb->($_[1]{value} = !$_[1]{value}); },
1441 };
1442
1443 $self->add_item ($item);
1444}
1445
1446=item $popup->show
1447
1448Displays the popup (which is initially hidden).
1449
1450=cut
1451
1452sub show {
1453 my ($self) = @_;
1454
1455 local $urxvt::popup::self = $self;
1456
1457 my $env = $self->{term}->env;
1458 # we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
1459 delete $env->{LC_ALL};
1460 $env->{LC_CTYPE} = $self->{term}->locale;
1461
1462 urxvt::term->new ($env, $self->{term}->resource ("name"),
1463 "--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0,
1464 "--transient-for" => $self->{term}->parent,
1465 "-display" => $self->{term}->display_id,
1466 "-pe" => "urxvt-popup")
1467 or die "unable to create popup window\n";
1468}
1469
1470sub DESTROY {
1471 my ($self) = @_;
1472
1473 delete $self->{term}{_destroy}{$self};
1474 $self->{term}->ungrab;
1475}
742 1476
743=back 1477=back
744 1478
745=head2 The C<urxvt::timer> Class 1479=head2 The C<urxvt::timer> Class
746 1480
801 1535
802 $term->{socket} = ... 1536 $term->{socket} = ...
803 $term->{iow} = urxvt::iow 1537 $term->{iow} = urxvt::iow
804 ->new 1538 ->new
805 ->fd (fileno $term->{socket}) 1539 ->fd (fileno $term->{socket})
806 ->events (1) # wait for read data 1540 ->events (urxvt::EVENT_READ)
807 ->start 1541 ->start
808 ->cb (sub { 1542 ->cb (sub {
809 my ($iow, $revents) = @_; 1543 my ($iow, $revents) = @_;
810 # $revents must be 1 here, no need to check 1544 # $revents must be 1 here, no need to check
811 sysread $term->{socket}, my $buf, 8192 1545 sysread $term->{socket}, my $buf, 8192
828 1562
829Set the filedescriptor (not handle) to watch. 1563Set the filedescriptor (not handle) to watch.
830 1564
831=item $iow = $iow->events ($eventmask) 1565=item $iow = $iow->events ($eventmask)
832 1566
833Set the event mask to watch. Bit #0 (value C<1>) enables watching for read 1567Set the event mask to watch. The only allowed values are
834data, Bit #1 (value C<2>) enables watching for write data. 1568C<urxvt::EVENT_READ> and C<urxvt::EVENT_WRITE>, which might be ORed
1569together, or C<urxvt::EVENT_NONE>.
835 1570
836=item $iow = $iow->start 1571=item $iow = $iow->start
837 1572
838Start watching for requested events on the given handle. 1573Start watching for requested events on the given handle.
839 1574
850This variable controls the verbosity level of the perl extension. Higher 1585This variable controls the verbosity level of the perl extension. Higher
851numbers indicate more verbose output. 1586numbers indicate more verbose output.
852 1587
853=over 4 1588=over 4
854 1589
855=item 0 - only fatal messages 1590=item == 0 - fatal messages
856 1591
857=item 3 - script loading and management 1592=item >= 3 - script loading and management
858 1593
859=item 10 - all events received 1594=item >=10 - all called hooks
1595
1596=item >=11 - hook reutrn values
860 1597
861=back 1598=back
862 1599
863=head1 AUTHOR 1600=head1 AUTHOR
864 1601

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