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Revision 1.142 by root, Thu Jul 6 18:56:10 2006 UTC vs.
Revision 1.254 by sf-exg, Tue Mar 17 09:23:08 2015 UTC

1	=encoding utf8	1	=encoding utf8
2		2
3	=head1 NAME	3	=head1 NAME
4		4
5	@@RXVT_NAME@@perl - rxvt-unicode's embedded perl interpreter	5	urxvtperl - rxvt-unicode's embedded perl interpreter
6		6
7	=head1 SYNOPSIS	7	=head1 SYNOPSIS
8		8
9	# create a file grab_test in $HOME:	9	# create a file grab_test in $HOME:
10		10
11	sub on_sel_grab {	11	sub on_sel_grab {
12	warn "you selected ", $_[0]->selection;	12	warn "you selected ", $_[0]->selection;
13	()	13	()
14	}	14	}
15		15
16	# start a @@RXVT_NAME@@ using it:	16	# start a urxvt using it:
17		17
18	@@RXVT_NAME@@ --perl-lib $HOME -pe grab_test	18	urxvt --perl-lib $HOME -pe grab_test
19		19
20	=head1 DESCRIPTION	20	=head1 DESCRIPTION
21		21
22	Everytime a terminal object gets created, extension scripts specified via	22	Every time a terminal object gets created, extension scripts specified via
23	the C<perl> resource are loaded and associated with it.	23	the C<perl> resource are loaded and associated with it.
24		24
25	Scripts are compiled in a 'use strict' and 'use utf8' environment, and	25	Scripts are compiled in a 'use strict "vars"' and 'use utf8' environment, and
26	thus must be encoded as UTF-8.	26	thus must be encoded as UTF-8.
27		27
28	Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where	28	Each script will only ever be loaded once, even in urxvtd, where
29	scripts will be shared (but not enabled) for all terminals.	29	scripts will be shared (but not enabled) for all terminals.
30		30
		31	You can disable the embedded perl interpreter by setting both "perl-ext"
		32	and "perl-ext-common" resources to the empty string.
		33
31	=head1 PREPACKAGED EXTENSIONS	34	=head1 PREPACKAGED EXTENSIONS
32		35
33	This section describes the extensions delivered with this release. You can	36	A number of extensions are delivered with this release. You can find them
34	find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>.	37	in F<< <libdir>/urxvt/perl/ >>, and the documentation can be viewed using
		38	F<< man urxvt-<EXTENSIONNAME> >>.
35		39
36	You can activate them like this:	40	You can activate them like this:
37		41
38	@@RXVT_NAME@@ -pe <extensionname>	42	urxvt -pe <extensionname>
39		43
40	Or by adding them to the resource for extensions loaded by default:	44	Or by adding them to the resource for extensions loaded by default:
41		45
42	URxvt.perl-ext-common: default,automove-background,selection-autotransform	46	URxvt.perl-ext-common: default,selection-autotransform
43		47
44	=over 4	48	Extensions may add additional resources and C<actions>, i.e., methods
45		49	which can be bound to a key and invoked by the user. An extension can
46	=item selection (enabled by default)	50	define the resources it support using so called META comments,
47		51	described below. Similarly to builtin resources, extension resources
48	(More) intelligent selection. This extension tries to be more intelligent	52	can also be specified on the command line as long options (with C<.>
49	when the user extends selections (double-click and further clicks). Right	53	replaced by C<->), in which case the corresponding extension is loaded
50	now, it tries to select words, urls and complete shell-quoted	54	automatically. For this to work the extension B<must> define META
51	arguments, which is very convenient, too, if your F<ls> supports	55	comments for its resources.
52	C<--quoting-style=shell>.
53
54	A double-click usually selects the word under the cursor, further clicks
55	will enlarge the selection.
56
57	The selection works by trying to match a number of regexes and displaying
58	them in increasing order of length. You can add your own regexes by
59	specifying resources of the form:
60
61	URxvt.selection.pattern-0: perl-regex
62	URxvt.selection.pattern-1: perl-regex
63	...
64
65	The index number (0, 1...) must not have any holes, and each regex must
66	contain at least one pair of capturing parentheses, which will be used for
67	the match. For example, the followign adds a regex that matches everything
68	between two vertical bars:
69
70	URxvt.selection.pattern-0: \\|([^|]+)\\|
71
72	Another example: Programs I use often output "absolute path: " at the
73	beginning of a line when they process multiple files. The following
74	pattern matches the filename (note, there is a single space at the very
75	end):
76
77	URxvt.selection.pattern-0: ^(/[^:]+):\
78
79	You can look at the source of the selection extension to see more
80	interesting uses, such as parsing a line from beginning to end.
81
82	This extension also offers following bindable keyboard commands:
83
84	=over 4
85
86	=item rot13
87
88	Rot-13 the selection when activated. Used via keyboard trigger:
89
90	URxvt.keysym.C-M-r: perl:selection:rot13
91
92	=back
93
94	=item option-popup (enabled by default)
95
96	Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at
97	runtime.
98
99	Other extensions can extend this popup menu by pushing a code reference
100	onto C<@{ $term->{option_popup_hook} }>, which gets called whenever the
101	popup is being displayed.
102
103	It's sole argument is the popup menu, which can be modified. It should
104	either return nothing or a string, the initial boolean value and a code
105	reference. The string will be used as button text and the code reference
106	will be called when the toggle changes, with the new boolean value as
107	first argument.
108
109	The following will add an entry C<myoption> that changes
110	C<$self->{myoption}>:
111
112	push @{ $self->{term}{option_popup_hook} }, sub {
113	("my option" => $myoption, sub { $self->{myoption} = $_[0] })
114	};
115
116	=item selection-popup (enabled by default)
117
118	Binds a popup menu to Ctrl-Button3 that lets you convert the selection
119	text into various other formats/action (such as uri unescaping, perl
120	evaluation, web-browser starting etc.), depending on content.
121
122	Other extensions can extend this popup menu by pushing a code reference
123	onto C<@{ $term->{selection_popup_hook} }>, which gets called whenever the
124	popup is being displayed.
125
126	It's sole argument is the popup menu, which can be modified. The selection
127	is in C<$_>, which can be used to decide wether to add something or not.
128	It should either return nothing or a string and a code reference. The
129	string will be used as button text and the code reference will be called
130	when the button gets activated and should transform C<$_>.
131
132	The following will add an entry C<a to b> that transforms all C<a>s in
133	the selection to C<b>s, but only if the selection currently contains any
134	C<a>s:
135
136	push @{ $self->{term}{selection_popup_hook} }, sub {
137	/a/ ? ("a to be" => sub { s/a/b/g }
138	: ()
139	};
140
141	=item searchable-scrollback<hotkey> (enabled by default)
142
143	Adds regex search functionality to the scrollback buffer, triggered
144	by a hotkey (default: C<M-s>). While in search mode, normal terminal
145	input/output is suspended and a regex is displayed at the bottom of the
146	screen.
147
148	Inputting characters appends them to the regex and continues incremental
149	search. C<BackSpace> removes a character from the regex, C<Up> and C<Down>
150	search upwards/downwards in the scrollback buffer, C<End> jumps to the
151	bottom. C<Escape> leaves search mode and returns to the point where search
152	was started, while C<Enter> or C<Return> stay at the current position and
153	additionally stores the first match in the current line into the primary
154	selection.
155
156	The regex defaults to "(?i)", resulting in a case-insensitive search. To
157	get a case-sensitive search you can delete this prefix using C<BackSpace>
158	or simply use an uppercase character which removes the "(?i)" prefix.
159
160	See L<perlre> for more info about perl regular expression syntax.
161
162	=item readline (enabled by default)
163
164	A support package that tries to make editing with readline easier. At
165	the moment, it reacts to clicking shift-left mouse button by trying to
166	move the text cursor to this position. It does so by generating as many
167	cursor-left or cursor-right keypresses as required (the this only works
168	for programs that correctly support wide characters).
169
170	To avoid too many false positives, this is only done when:
171
172	=over 4
173
174	=item - the tty is in ICANON state.
175
176	=item - the text cursor is visible.
177
178	=item - the primary screen is currently being displayed.
179
180	=item - the mouse is on the same (multi-row-) line as the text cursor.
181
182	=back
183
184	The normal selection mechanism isn't disabled, so quick successive clicks
185	might interfere with selection creation in harmless ways.
186
187	=item selection-autotransform
188
189	This selection allows you to do automatic transforms on a selection
190	whenever a selection is made.
191
192	It works by specifying perl snippets (most useful is a single C<s///>
193	operator) that modify C<$_> as resources:
194
195	URxvt.selection-autotransform.0: transform
196	URxvt.selection-autotransform.1: transform
197	...
198
199	For example, the following will transform selections of the form
200	C<filename:number>, often seen in compiler messages, into C<vi +$filename
201	$word>:
202
203	URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/
204
205	And this example matches the same,but replaces it with vi-commands you can
206	paste directly into your (vi :) editor:
207
208	URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/:e \\Q$1\\E\\x0d:$2\\x0d/
209
210	Of course, this can be modified to suit your needs and your editor :)
211
212	To expand the example above to typical perl error messages ("XXX at
213	FILENAME line YYY."), you need a slightly more elaborate solution:
214
215	URxvt.selection.pattern-0: ( at .*? line \\d+[,.])
216	URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)[,.]$/:e \\Q$1\E\\x0d:$2\\x0d/
217
218	The first line tells the selection code to treat the unchanging part of
219	every error message as a selection pattern, and the second line transforms
220	the message into vi commands to load the file.
221
222	=item tabbed
223
224	This transforms the terminal into a tabbar with additional terminals, that
225	is, it implements what is commonly refered to as "tabbed terminal". The topmost line
226	displays a "[NEW]" button, which, when clicked, will add a new tab, followed by one
227	button per tab.
228
229	Clicking a button will activate that tab. Pressing B<Shift-Left> and
230	B<Shift-Right> will switch to the tab left or right of the current one,
231	while B<Shift-Down> creates a new tab.
232
233	The tabbar itself can be configured similarly to a normal terminal, but
234	with a resource class of C<URxvt.tabbed>. In addition, it supports the
235	following four resources (shown with defaults):
236
237	URxvt.tabbed.tabbar-fg: <colour-index, default 3>
238	URxvt.tabbed.tabbar-bg: <colour-index, default 0>
239	URxvt.tabbed.tab-fg: <colour-index, default 0>
240	URxvt.tabbed.tab-bg: <colour-index, default 1>
241
242	See I<COLOR AND GRAPHICS> in the @@RXVT_NAME@@(1) manpage for valid
243	indices.
244
245	=item mark-urls
246
247	Uses per-line display filtering (C<on_line_update>) to underline urls and
248	make them clickable. When middle-clicked, the program specified in the
249	resource C<urlLauncher> (default C<x-www-browser>) will be started with
250	the URL as first argument.
251
252	=item xim-onthespot
253
254	This (experimental) perl extension implements OnTheSpot editing. It does
255	not work perfectly, and some input methods don't seem to work well with
256	OnTheSpot editing in general, but it seems to work at leats for SCIM and
257	kinput2.
258
259	You enable it by specifying this extension and a preedit style of
260	C<OnTheSpot>, i.e.:
261
262	@@RXVT_NAME@@ -pt OnTheSpot -pe xim-onthespot
263
264	=item automove-background
265
266	This is basically a very small extension that dynamically changes the
267	background pixmap offset to the window position, in effect creating the
268	same effect as pseudo transparency with a custom pixmap. No scaling is
269	supported in this mode. Exmaple:
270
271	@@RXVT_NAME@@ -pixmap background.xpm -pe automove-background
272
273	=item block-graphics-to-ascii
274
275	A not very useful example of filtering all text output to the terminal
276	by replacing all line-drawing characters (U+2500 .. U+259F) by a
277	similar-looking ascii character.
278
279	=item digital-clock
280
281	Displays a digital clock using the built-in overlay.
282
283	=item remote-clipboard
284
285	Somewhat of a misnomer, this extension adds two menu entries to the
286	selection popup that allows one ti run external commands to store the
287	selection somewhere and fetch it again.
288
289	We use it to implement a "distributed selection mechanism", which just
290	means that one command uploads the file to a remote server, and another
291	reads it.
292
293	The commands can be set using the C<URxvt.remote-selection.store> and
294	C<URxvt.remote-selection.fetch> resources. The first should read the
295	selection to store from STDIN (always in UTF-8), the second should provide
296	the selection data on STDOUT (also in UTF-8).
297
298	The defaults (which are likely useless to you) use rsh and cat:
299
300	URxvt.remote-selection.store: rsh ruth 'cat >/tmp/distributed-selection'
301	URxvt.remote-selection.fetch: rsh ruth 'cat /tmp/distributed-selection'
302
303	=item selection-pastebin
304
305	This is a little rarely useful extension that Uploads the selection as
306	textfile to a remote site (or does other things). (The implementation is
307	not currently secure for use in a multiuser environment as it writes to
308	F</tmp> directly.).
309
310	It listens to the C<selection-pastebin:remote-pastebin> keyboard command,
311	i.e.
312
313	URxvt.keysym.C-M-e: perl:selection-pastebin:remote-pastebin
314
315	Pressing this combination runs a command with C<%> replaced by the name of
316	the textfile. This command can be set via a resource:
317
318	URxvt.selection-pastebin.cmd: rsync -apP % ruth:/var/www/www.ta-sa.org/files/txt/.
319
320	And the default is likely not useful to anybody but the few people around
321	here :)
322
323	The name of the textfile is the hex encoded md5 sum of the selection, so
324	the same content should lead to the same filename.
325
326	After a successful upload the selection will be replaced by the text given
327	in the C<selection-pastebin-url> resource (again, the % is the placeholder
328	for the filename):
329
330	URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/%
331
332	=item example-refresh-hooks
333
334	Displays a very simple digital clock in the upper right corner of the
335	window. Illustrates overwriting the refresh callbacks to create your own
336	overlays or changes.
337
338	=back
339		56
340	=head1 API DOCUMENTATION	57	=head1 API DOCUMENTATION
341		58
342	=head2 General API Considerations	59	=head2 General API Considerations
343		60
…		…
357		74
358	=over 4	75	=over 4
359		76
360	=item $text	77	=item $text
361		78
362	Rxvt-unicodes special way of encoding text, where one "unicode" character	79	Rxvt-unicode's special way of encoding text, where one "unicode" character
363	always represents one screen cell. See L<ROW_t> for a discussion of this format.	80	always represents one screen cell. See L<ROW_t> for a discussion of this format.
364		81
365	=item $string	82	=item $string
366		83
367	A perl text string, with an emphasis on I<text>. It can store all unicode	84	A perl text string, with an emphasis on I<text>. It can store all unicode
…		…
371	=item $octets	88	=item $octets
372		89
373	Either binary data or - more common - a text string encoded in a	90	Either binary data or - more common - a text string encoded in a
374	locale-specific way.	91	locale-specific way.
375		92
		93	=item $keysym
		94
		95	an integer that is a valid X11 keysym code. You can convert a string
		96	into a keysym and viceversa by using C<XStringToKeysym> and
		97	C<XKeysymToString>.
		98
376	=back	99	=back
377		100
378	=head2 Extension Objects	101	=head2 Extension Objects
379		102
380	Every perl extension is a perl class. A separate perl object is created	103	Every perl extension is a perl class. A separate perl object is created
381	for each terminal and each extension and passed as the first parameter to	104	for each terminal, and each terminal has its own set of extension objects,
382	hooks. So extensions can use their C<$self> object without having to think	105	which are passed as the first parameter to hooks. So extensions can use
383	about other extensions, with the exception of methods and members that	106	their C<$self> object without having to think about clashes with other
		107	extensions or other terminals, with the exception of methods and members
384	begin with an underscore character C<_>: these are reserved for internal	108	that begin with an underscore character C<_>: these are reserved for
385	use.	109	internal use.
386		110
387	Although it isn't a C<urxvt::term> object, you can call all methods of the	111	Although it isn't a C<urxvt::term> object, you can call all methods of the
388	C<urxvt::term> class on this object.	112	C<urxvt::term> class on this object.
389		113
390	It has the following methods and data members:	114	Additional methods only supported for extension objects are described in
		115	the C<urxvt::extension> section below.
		116
		117	=head2 META comments
		118
		119	Rxvt-unicode recognizes special meta comments in extensions that define
		120	different types of metadata.
		121
		122	Currently, it recognises only one such comment:
391		123
392	=over 4	124	=over 4
393		125
394	=item $urxvt_term = $self->{term}	126	=item #:META:RESOURCE:name:type:desc
395		127
396	Returns the C<urxvt::term> object associated with this instance of the	128	The RESOURCE comment defines a resource used by the extension, where
397	extension. This member I<must not> be changed in any way.	129	C<name> is the resource name, C<type> is the resource type, C<boolean>
398		130	or C<string>, and C<desc> is the resource description.
399	=item $self->enable ($hook_name => $cb, [$hook_name => $cb..])
400
401	Dynamically enable the given hooks (named without the C<on_> prefix) for
402	this extension, replacing any previous hook. This is useful when you want
403	to overwrite time-critical hooks only temporarily.
404
405	=item $self->disable ($hook_name[, $hook_name..])
406
407	Dynamically disable the given hooks.
408		131
409	=back	132	=back
410		133
411	=head2 Hooks	134	=head2 Hooks
412		135
413	The following subroutines can be declared in extension files, and will be	136	The following subroutines can be declared in extension files, and will be
414	called whenever the relevant event happens.	137	called whenever the relevant event happens.
415		138
416	The first argument passed to them is an extension oject as described in	139	The first argument passed to them is an extension object as described in
417	the in the C<Extension Objects> section.	140	the in the C<Extension Objects> section.
418		141
419	B<All> of these hooks must return a boolean value. If any of the called	142	B<All> of these hooks must return a boolean value. If any of the called
420	hooks returns true, then the event counts as being I<consumed>, and the	143	hooks returns true, then the event counts as being I<consumed>, and the
421	relevant action might not be carried out by the C++ code.	144	relevant action might not be carried out by the C++ code.
…		…
434	place.	157	place.
435		158
436	=item on_start $term	159	=item on_start $term
437		160
438	Called at the very end of initialisation of a new terminal, just before	161	Called at the very end of initialisation of a new terminal, just before
439	trying to map (display) the toplevel and returning to the mainloop.	162	trying to map (display) the toplevel and returning to the main loop.
440		163
441	=item on_destroy $term	164	=item on_destroy $term
442		165
443	Called whenever something tries to destroy terminal, when the terminal is	166	Called whenever something tries to destroy terminal, when the terminal is
444	still fully functional (not for long, though).	167	still fully functional (not for long, though).
…		…
471		194
472	Called whenever a selection has been copied, but before the selection is	195	Called whenever a selection has been copied, but before the selection is
473	requested from the server. The selection text can be queried and changed	196	requested from the server. The selection text can be queried and changed
474	by calling C<< $term->selection >>.	197	by calling C<< $term->selection >>.
475		198
476	Returning a true value aborts selection grabbing. It will still be hilighted.	199	Returning a true value aborts selection grabbing. It will still be highlighted.
477		200
478	=item on_sel_extend $term	201	=item on_sel_extend $term
479		202
480	Called whenever the user tries to extend the selection (e.g. with a double	203	Called whenever the user tries to extend the selection (e.g. with a double
481	click) and is either supposed to return false (normal operation), or	204	click) and is either supposed to return false (normal operation), or
482	should extend the selection itelf and return true to suppress the built-in	205	should extend the selection itself and return true to suppress the built-in
483	processing. This can happen multiple times, as long as the callback	206	processing. This can happen multiple times, as long as the callback
484	returns true, it will be called on every further click by the user and is	207	returns true, it will be called on every further click by the user and is
485	supposed to enlarge the selection more and more, if possible.	208	supposed to enlarge the selection more and more, if possible.
486		209
487	See the F<selection> example extension.	210	See the F<selection> example extension.
488		211
489	=item on_view_change $term, $offset	212	=item on_view_change $term, $offset
490		213
491	Called whenever the view offset changes, i..e the user or program	214	Called whenever the view offset changes, i.e. the user or program
492	scrolls. Offset C<0> means display the normal terminal, positive values	215	scrolls. Offset C<0> means display the normal terminal, positive values
493	show this many lines of scrollback.	216	show this many lines of scrollback.
494		217
495	=item on_scroll_back $term, $lines, $saved	218	=item on_scroll_back $term, $lines, $saved
496		219
…		…
500		223
501	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,	224	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,
502	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total	225	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total
503	number of lines that will be in the scrollback buffer.	226	number of lines that will be in the scrollback buffer.
504		227
505	=item on_osc_seq $term, $op, $args	228	=item on_osc_seq $term, $op, $args, $resp
506		229
507	Called on every OSC sequence and can be used to suppress it or modify its	230	Called on every OSC sequence and can be used to suppress it or modify its
508	behaviour. The default should be to return an empty list. A true value	231	behaviour. The default should be to return an empty list. A true value
509	suppresses execution of the request completely. Make sure you don't get	232	suppresses execution of the request completely. Make sure you don't get
510	confused by recursive invocations when you output an osc sequence within	233	confused by recursive invocations when you output an OSC sequence within
511	this callback.	234	this callback.
512		235
513	C<on_osc_seq_perl> should be used for new behaviour.	236	C<on_osc_seq_perl> should be used for new behaviour.
514		237
515	=item on_osc_seq_perl $term, $string	238	=item on_osc_seq_perl $term, $args, $resp
516		239
517	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =	240	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
518	operating system command) is processed. Cursor position and other state	241	operating system command) is processed. Cursor position and other state
519	information is up-to-date when this happens. For interoperability, the	242	information is up-to-date when this happens. For interoperability, the
520	string should start with the extension name and a colon, to distinguish	243	string should start with the extension name (sans -osc) and a semicolon,
521	it from commands for other extensions, and this might be enforced in the	244	to distinguish it from commands for other extensions, and this might be
522	future.	245	enforced in the future.
		246
		247	For example, C<overlay-osc> uses this:
		248
		249	sub on_osc_seq_perl {
		250	my ($self, $osc, $resp) = @_;
		251
		252	return unless $osc =~ s/^overlay;//;
		253
		254	... process remaining $osc string
		255	}
523		256
524	Be careful not ever to trust (in a security sense) the data you receive,	257	Be careful not ever to trust (in a security sense) the data you receive,
525	as its source can not easily be controleld (e-mail content, messages from	258	as its source can not easily be controlled (e-mail content, messages from
526	other users on the same system etc.).	259	other users on the same system etc.).
		260
		261	For responses, C<$resp> contains the end-of-args separator used by the
		262	sender.
527		263
528	=item on_add_lines $term, $string	264	=item on_add_lines $term, $string
529		265
530	Called whenever text is about to be output, with the text as argument. You	266	Called whenever text is about to be output, with the text as argument. You
531	can filter/change and output the text yourself by returning a true value	267	can filter/change and output the text yourself by returning a true value
…		…
536	=item on_tt_write $term, $octets	272	=item on_tt_write $term, $octets
537		273
538	Called whenever some data is written to the tty/pty and can be used to	274	Called whenever some data is written to the tty/pty and can be used to
539	suppress or filter tty input.	275	suppress or filter tty input.
540		276
		277	=item on_tt_paste $term, $octets
		278
		279	Called whenever text is about to be pasted, with the text as argument. You
		280	can filter/change and paste the text yourself by returning a true value
		281	and calling C<< $term->tt_paste >> yourself. C<$octets> is
		282	locale-encoded.
		283
541	=item on_line_update $term, $row	284	=item on_line_update $term, $row
542		285
543	Called whenever a line was updated or changed. Can be used to filter	286	Called whenever a line was updated or changed. Can be used to filter
544	screen output (e.g. underline urls or other useless stuff). Only lines	287	screen output (e.g. underline urls or other useless stuff). Only lines
545	that are being shown will be filtered, and, due to performance reasons,	288	that are being shown will be filtered, and, due to performance reasons,
…		…
552	later with the already-modified line (e.g. if unrelated parts change), so	295	later with the already-modified line (e.g. if unrelated parts change), so
553	you cannot just toggle rendition bits, but only set them.	296	you cannot just toggle rendition bits, but only set them.
554		297
555	=item on_refresh_begin $term	298	=item on_refresh_begin $term
556		299
557	Called just before the screen gets redrawn. Can be used for overlay	300	Called just before the screen gets redrawn. Can be used for overlay or
558	or similar effects by modify terminal contents in refresh_begin, and	301	similar effects by modifying the terminal contents in refresh_begin, and
559	restoring them in refresh_end. The built-in overlay and selection display	302	restoring them in refresh_end. The built-in overlay and selection display
560	code is run after this hook, and takes precedence.	303	code is run after this hook, and takes precedence.
561		304
562	=item on_refresh_end $term	305	=item on_refresh_end $term
563		306
564	Called just after the screen gets redrawn. See C<on_refresh_begin>.	307	Called just after the screen gets redrawn. See C<on_refresh_begin>.
565		308
		309	=item on_action $term, $string
		310
		311	Called whenever an action is invoked for the corresponding extension
		312	(e.g. via a C<extension:string> builtin action bound to a key, see
		313	description of the B<keysym> resource in the urxvt(1) manpage). The
		314	event is simply the action string. Note that an action event is always
		315	associated to a single extension.
		316
566	=item on_user_command $term, $string	317	=item on_user_command $term, $string *DEPRECATED*
567		318
568	Called whenever the a user-configured event is being activated (e.g. via	319	Called whenever a user-configured event is being activated (e.g. via
569	a C<perl:string> action bound to a key, see description of the B<keysym>	320	a C<perl:string> action bound to a key, see description of the B<keysym>
570	resource in the @@RXVT_NAME@@(1) manpage).	321	resource in the urxvt(1) manpage).
571		322
572	The event is simply the action string. This interface is assumed to change	323	The event is simply the action string. This interface is going away in
573	slightly in the future.	324	preference to the C<on_action> hook.
574		325
575	=item on_resize_all_windows $tern, $new_width, $new_height	326	=item on_resize_all_windows $term, $new_width, $new_height
576		327
577	Called just after the new window size has been calculcated, but before	328	Called just after the new window size has been calculated, but before
578	windows are actually being resized or hints are being set. If this hook	329	windows are actually being resized or hints are being set. If this hook
579	returns TRUE, setting of the window hints is being skipped.	330	returns a true value, setting of the window hints is being skipped.
580		331
581	=item on_x_event $term, $event	332	=item on_x_event $term, $event
582		333
583	Called on every X event received on the vt window (and possibly other	334	Called on every X event received on the vt window (and possibly other
584	windows). Should only be used as a last resort. Most event structure	335	windows). Should only be used as a last resort. Most event structure
585	members are not passed.	336	members are not passed.
586		337
		338	=item on_root_event $term, $event
		339
		340	Like C<on_x_event>, but is called for events on the root window.
		341
587	=item on_focus_in $term	342	=item on_focus_in $term
588		343
589	Called whenever the window gets the keyboard focus, before rxvt-unicode	344	Called whenever the window gets the keyboard focus, before rxvt-unicode
590	does focus in processing.	345	does focus in processing.
591		346
592	=item on_focus_out $term	347	=item on_focus_out $term
593		348
594	Called wheneever the window loses keyboard focus, before rxvt-unicode does	349	Called whenever the window loses keyboard focus, before rxvt-unicode does
595	focus out processing.	350	focus out processing.
596		351
597	=item on_configure_notify $term, $event	352	=item on_configure_notify $term, $event
598		353
599	=item on_property_notify $term, $event	354	=item on_property_notify $term, $event
…		…
610		365
611	=item on_map_notify $term, $event	366	=item on_map_notify $term, $event
612		367
613	=item on_unmap_notify $term, $event	368	=item on_unmap_notify $term, $event
614		369
615	Called whenever the corresponding X event is received for the terminal If	370	Called whenever the corresponding X event is received for the terminal. If
616	the hook returns true, then the even will be ignored by rxvt-unicode.	371	the hook returns true, then the event will be ignored by rxvt-unicode.
617		372
618	The event is a hash with most values as named by Xlib (see the XEvent	373	The event is a hash with most values as named by Xlib (see the XEvent
619	manpage), with the additional members C<row> and C<col>, which are the	374	manpage), with the additional members C<row> and C<col>, which are the
620	(real, not screen-based) row and column under the mouse cursor.	375	(real, not screen-based) row and column under the mouse cursor.
621		376
622	C<on_key_press> additionally receives the string rxvt-unicode would	377	C<on_key_press> additionally receives the string rxvt-unicode would
623	output, if any, in locale-specific encoding.	378	output, if any, in locale-specific encoding.
624		379
625	subwindow.
626
627	=item on_client_message $term, $event	380	=item on_client_message $term, $event
628		381
629	=item on_wm_protocols $term, $event	382	=item on_wm_protocols $term, $event
630		383
631	=item on_wm_delete_window $term, $event	384	=item on_wm_delete_window $term, $event
632		385
633	Called when various types of ClientMessage events are received (all with	386	Called when various types of ClientMessage events are received (all with
634	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).	387	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
635		388
		389	=item on_bell $term
		390
		391	Called on receipt of a bell character.
		392
636	=back	393	=back
637		394
638	=cut	395	=cut
639		396
640	package urxvt;	397	package urxvt;
641		398
642	use utf8;	399	use utf8;
643	use strict;	400	use strict 'vars';
644	use Carp ();	401	use Carp ();
645	use Scalar::Util ();	402	use Scalar::Util ();
646	use List::Util ();	403	use List::Util ();
647		404
648	our $VERSION = 1;	405	our $VERSION = 1;
649	our $TERM;	406	our $TERM;
650	our @TERM_INIT;	407	our @TERM_INIT; # should go, prevents async I/O etc.
651	our @TERM_EXT;	408	our @TERM_EXT; # should go, prevents async I/O etc.
652	our @HOOKNAME;	409	our @HOOKNAME;
653	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;	410	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
654	our %OPTION;	411	our %OPTION;
655		412
656	our $LIBDIR;	413	our $LIBDIR;
…		…
682	The current terminal. This variable stores the current C<urxvt::term>	439	The current terminal. This variable stores the current C<urxvt::term>
683	object, whenever a callback/hook is executing.	440	object, whenever a callback/hook is executing.
684		441
685	=item @urxvt::TERM_INIT	442	=item @urxvt::TERM_INIT
686		443
687	All coderefs in this array will be called as methods of the next newly	444	All code references in this array will be called as methods of the next newly
688	created C<urxvt::term> object (during the C<on_init> phase). The array	445	created C<urxvt::term> object (during the C<on_init> phase). The array
689	gets cleared before the codereferences that were in it are being executed,	446	gets cleared before the code references that were in it are being executed,
690	so coderefs can push themselves onto it again if they so desire.	447	so references can push themselves onto it again if they so desire.
691		448
692	This complements to the perl-eval commandline option, but gets executed	449	This complements to the perl-eval command line option, but gets executed
693	first.	450	first.
694		451
695	=item @urxvt::TERM_EXT	452	=item @urxvt::TERM_EXT
696		453
697	Works similar to C<@TERM_INIT>, but contains perl package/class names, which	454	Works similar to C<@TERM_INIT>, but contains perl package/class names, which
…		…
704		461
705	=over 4	462	=over 4
706		463
707	=item urxvt::fatal $errormessage	464	=item urxvt::fatal $errormessage
708		465
709	Fatally aborts execution with the given error message. Avoid at all	466	Fatally aborts execution with the given error message (which should
710	costs! The only time this is acceptable is when the terminal process	467	include a trailing newline). Avoid at all costs! The only time this
711	starts up.	468	is acceptable (and useful) is in the init hook, where it prevents the
		469	terminal from starting up.
712		470
713	=item urxvt::warn $string	471	=item urxvt::warn $string
714		472
715	Calls C<rxvt_warn> with the given string which should not include a	473	Calls C<rxvt_warn> with the given string which should include a trailing
716	newline. The module also overwrites the C<warn> builtin with a function	474	newline. The module also overwrites the C<warn> builtin with a function
717	that calls this function.	475	that calls this function.
718		476
719	Using this function has the advantage that its output ends up in the	477	Using this function has the advantage that its output ends up in the
720	correct place, e.g. on stderr of the connecting urxvtc client.	478	correct place, e.g. on stderr of the connecting urxvtc client.
…		…
722	Messages have a size limit of 1023 bytes currently.	480	Messages have a size limit of 1023 bytes currently.
723		481
724	=item @terms = urxvt::termlist	482	=item @terms = urxvt::termlist
725		483
726	Returns all urxvt::term objects that exist in this process, regardless of	484	Returns all urxvt::term objects that exist in this process, regardless of
727	wether they are started, being destroyed etc., so be careful. Only term	485	whether they are started, being destroyed etc., so be careful. Only term
728	objects that have perl extensions attached will be returned (because there	486	objects that have perl extensions attached will be returned (because there
729	is no urxvt::term objet associated with others).	487	is no urxvt::term object associated with others).
730		488
731	=item $time = urxvt::NOW	489	=item $time = urxvt::NOW
732		490
733	Returns the "current time" (as per the event loop).	491	Returns the "current time" (as per the event loop).
734		492
…		…
777		535
778	=item $rend = urxvt::OVERLAY_RSTYLE	536	=item $rend = urxvt::OVERLAY_RSTYLE
779		537
780	Return the rendition mask used for overlays by default.	538	Return the rendition mask used for overlays by default.
781		539
782	=item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline	540	=item $rendbit = urxvt::RS_Bold, urxvt::RS_Italic, urxvt::RS_Blink,
		541	urxvt::RS_RVid, urxvt::RS_Uline
783		542
784	Return the bit that enabled bold, italic, blink, reverse-video and	543	Return the bit that enabled bold, italic, blink, reverse-video and
785	underline, respectively. To enable such a style, just logically OR it into	544	underline, respectively. To enable such a style, just logically OR it into
786	the bitset.	545	the bitset.
787		546
…		…
824	};	583	};
825	}	584	}
826		585
827	no warnings 'utf8';	586	no warnings 'utf8';
828		587
		588	sub parse_resource {
		589	my ($term, $name, $isarg, $longopt, $flag, $value) = @_;
		590
		591	$term->scan_extensions;
		592
		593	my $r = $term->{meta}{resource};
		594	keys %$r; # reset iterator
		595	while (my ($k, $v) = each %$r) {
		596	my $pattern = $k;
		597	$pattern =~ y/./-/ if $isarg;
		598	my $prefix = $name;
		599	my $suffix;
		600	if ($pattern =~ /\-$/) {
		601	$prefix = substr $name, 0, length $pattern;
		602	$suffix = substr $name, length $pattern;
		603	}
		604	if ($pattern eq $prefix) {
		605	$name = "$urxvt::RESCLASS.$k$suffix";
		606
		607	push @{ $term->{perl_ext_3} }, $v->[0];
		608
		609	if ($v->[1] eq "boolean") {
		610	$term->put_option_db ($name, $flag ? "true" : "false");
		611	return 1;
		612	} else {
		613	$term->put_option_db ($name, $value);
		614	return 1 + 2;
		615	}
		616	}
		617	}
		618
		619	0
		620	}
		621
		622	sub usage {
		623	my ($term, $usage_type) = @_;
		624
		625	$term->scan_extensions;
		626
		627	my $r = $term->{meta}{resource};
		628
		629	for my $pattern (sort keys %$r) {
		630	my ($ext, $type, $desc) = @{ $r->{$pattern} };
		631
		632	$desc .= " (-pe $ext)";
		633
		634	if ($usage_type == 1) {
		635	$pattern =~ y/./-/;
		636	$pattern =~ s/-$/-.../g;
		637
		638	if ($type eq "boolean") {
		639	urxvt::log sprintf " -%-30s %s\n", "/+$pattern", $desc;
		640	} else {
		641	urxvt::log sprintf " -%-30s %s\n", "$pattern $type", $desc;
		642	}
		643	} else {
		644	$pattern =~ s/\.$/.*/g;
		645	urxvt::log sprintf " %-31s %s\n", "$pattern:", $type;
		646	}
		647	}
		648	}
		649
829	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};	650	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
830		651
831	sub verbose {	652	sub verbose {
832	my ($level, $msg) = @_;	653	my ($level, $msg) = @_;
833	warn "$msg\n" if $level <= $verbosity;	654	warn "$msg\n" if $level <= $verbosity;
…		…
845	$pkg =~ s/[^[:word:]]/_/g;	666	$pkg =~ s/[^[:word:]]/_/g;
846	$pkg = "urxvt::ext::$pkg";	667	$pkg = "urxvt::ext::$pkg";
847		668
848	verbose 3, "loading extension '$path' into package '$pkg'";	669	verbose 3, "loading extension '$path' into package '$pkg'";
849		670
		671	(${"$pkg\::_NAME"} = $path) =~ s/^.*[\\\/]//; # hackish
		672
850	open my $fh, "<:raw", $path	673	open my $fh, "<:raw", $path
851	or die "$path: $!";	674	or die "$path: $!";
852		675
853	my $source =	676	my $source =
854	"package $pkg; use strict; use utf8; no warnings 'utf8';\n"	677	"package $pkg; use strict 'vars'; use utf8; no warnings 'utf8';\n"
855	. "#line 1 \"$path\"\n{\n"	678	. "#line 1 \"$path\"\n{\n"
856	. (do { local $/; <$fh> })	679	. (do { local $/; <$fh> })
857	. "\n};\n1";	680	. "\n};\n1";
858		681
859	eval $source	682	eval $source
…		…
868	# called by the rxvt core	691	# called by the rxvt core
869	sub invoke {	692	sub invoke {
870	local $TERM = shift;	693	local $TERM = shift;
871	my $htype = shift;	694	my $htype = shift;
872		695
873	if ($htype == 0) { # INIT	696	if ($htype == HOOK_INIT) {
874	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");	697	my @dirs = $TERM->perl_libdirs;
875		698
		699	$TERM->scan_extensions;
		700
876	my %ext_arg;	701	my %ext_arg;
877		702
878	{	703	{
879	my @init = @TERM_INIT;	704	my @init = @TERM_INIT;
880	@TERM_INIT = ();	705	@TERM_INIT = ();
…		…
882	my @pkg = @TERM_EXT;	707	my @pkg = @TERM_EXT;
883	@TERM_EXT = ();	708	@TERM_EXT = ();
884	$TERM->register_package ($_) for @pkg;	709	$TERM->register_package ($_) for @pkg;
885	}	710	}
886		711
		712	for (
887	for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {	713	(grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2),
		714	@{ delete $TERM->{perl_ext_3} }
		715	) {
888	if ($_ eq "default") {	716	if ($_ eq "default") {
		717
		718	$ext_arg{$_} = []
889	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline);	719	for qw(selection option-popup selection-popup readline searchable-scrollback);
		720
		721	for ($TERM->_keysym_resources) {
		722	next if /^(?:string|command|builtin|builtin-string|perl)/;
		723	next unless /^([A-Za-z0-9_\-]+):/;
		724
		725	my $ext = $1;
		726
		727	$ext_arg{$ext} = [];
		728	}
		729
890	} elsif (/^-(.*)$/) {	730	} elsif (/^-(.*)$/) {
891	delete $ext_arg{$1};	731	delete $ext_arg{$1};
		732
892	} elsif (/^([^<]+)<(.*)>$/) {	733	} elsif (/^([^<]+)<(.*)>$/) {
893	push @{ $ext_arg{$1} }, $2;	734	push @{ $ext_arg{$1} }, $2;
		735
894	} else {	736	} else {
895	$ext_arg{$_} ||= [];	737	$ext_arg{$_} ||= [];
896	}	738	}
897	}	739	}
898		740
…		…
914		756
915	if (my $cb = $TERM->{_hook}[$htype]) {	757	if (my $cb = $TERM->{_hook}[$htype]) {
916	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"	758	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
917	if $verbosity >= 10;	759	if $verbosity >= 10;
918		760
		761	if ($htype == HOOK_ACTION) {
		762	# this hook is only sent to the extension with the name
		763	# matching the first arg
		764	my $pkg = shift;
		765	$pkg =~ y/-/_/;
		766	$pkg = "urxvt::ext::$pkg";
		767
		768	$cb = $cb->{$pkg}
		769	or return undef; #TODO: maybe warn user?
		770
		771	$cb = { $pkg => $cb };
		772	}
		773
919	for my $pkg (keys %$cb) {	774	for my $pkg (keys %$cb) {
920	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg}, @_) };	775	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg} || $TERM, @_) };
921	$retval ||= $retval_;	776	$retval ||= $retval_;
922		777
923	if ($@) {	778	if ($@) {
924	$TERM->ungrab; # better to lose the grab than the session	779	$TERM->ungrab; # better to lose the grab than the session
925	warn $@;	780	warn $@;
…		…
928		783
929	verbose 11, "$HOOKNAME[$htype] returning <$retval>"	784	verbose 11, "$HOOKNAME[$htype] returning <$retval>"
930	if $verbosity >= 11;	785	if $verbosity >= 11;
931	}	786	}
932		787
933	if ($htype == 1) { # DESTROY	788	if ($htype == HOOK_DESTROY) {
934	# clear package objects	789	# clear package objects
935	%$_ = () for values %{ $TERM->{_pkg} };	790	%$_ = () for values %{ $TERM->{_pkg} };
936		791
937	# clear package	792	# clear package
938	%$TERM = ();	793	%$TERM = ();
…		…
943		798
944	sub SET_COLOR($$$) {	799	sub SET_COLOR($$$) {
945	SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])	800	SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
946	}	801	}
947		802
948	# urxvt::term::extension	803	sub rend2mask {
		804	no strict 'refs';
		805	my ($str, $mask) = (@_, 0);
		806	my %color = ( fg => undef, bg => undef );
		807	my @failed;
		808	for my $spec ( split /\s+/, $str ) {
		809	if ( $spec =~ /^([fb]g)[_:-]?(\d+)/i ) {
		810	$color{lc($1)} = $2;
		811	} else {
		812	my $neg = $spec =~ s/^[-^]//;
		813	unless ( exists &{"RS_$spec"} ) {
		814	push @failed, $spec;
		815	next;
		816	}
		817	my $cur = &{"RS_$spec"};
		818	if ( $neg ) {
		819	$mask &= ~$cur;
		820	} else {
		821	$mask |= $cur;
		822	}
		823	}
		824	}
		825	($mask, @color{qw(fg bg)}, \@failed)
		826	}
949		827
950	package urxvt::term::extension;	828	package urxvt::term::extension;
951		829
952	sub enable {	830	=head2 The C<urxvt::term::extension> class
953	my ($self, %hook) = @_;
954	my $pkg = $self->{_pkg};
955		831
956	while (my ($name, $cb) = each %hook) {	832	Each extension attached to a terminal object is represented by
957	my $htype = $HOOKTYPE{uc $name};	833	a C<urxvt::term::extension> object.
958	defined $htype
959	or Carp::croak "unsupported hook type '$name'";
960		834
961	$self->set_should_invoke ($htype, +1)	835	You can use these objects, which are passed to all callbacks to store any
962	unless exists $self->{term}{_hook}[$htype]{$pkg};	836	state related to the terminal and extension instance.
963		837
964	$self->{term}{_hook}[$htype]{$pkg} = $cb;	838	The methods (And data members) documented below can be called on extension
965	}	839	objects, in addition to call methods documented for the <urxvt::term>
966	}	840	class.
967		841
968	sub disable {	842	=over 4
969	my ($self, @hook) = @_;
970	my $pkg = $self->{_pkg};
971		843
972	for my $name (@hook) {	844	=item $urxvt_term = $self->{term}
973	my $htype = $HOOKTYPE{uc $name};
974	defined $htype
975	or Carp::croak "unsupported hook type '$name'";
976		845
977	$self->set_should_invoke ($htype, -1)	846	Returns the C<urxvt::term> object associated with this instance of the
978	if delete $self->{term}{_hook}[$htype]{$pkg};	847	extension. This member I<must not> be changed in any way.
979	}	848
980	}	849	=cut
981		850
982	our $AUTOLOAD;	851	our $AUTOLOAD;
983		852
984	sub AUTOLOAD {	853	sub AUTOLOAD {
985	$AUTOLOAD =~ /:([^:]+)$/	854	$AUTOLOAD =~ /:([^:]+)$/
…		…
998		867
999	sub DESTROY {	868	sub DESTROY {
1000	# nop	869	# nop
1001	}	870	}
1002		871
1003	# urxvt::destroy_hook	872	# urxvt::destroy_hook (basically a cheap Guard:: implementation)
1004		873
1005	sub urxvt::destroy_hook::DESTROY {	874	sub urxvt::destroy_hook::DESTROY {
1006	${$_[0]}->();	875	${$_[0]}->();
1007	}	876	}
1008		877
1009	sub urxvt::destroy_hook(&) {	878	sub urxvt::destroy_hook(&) {
1010	bless \shift, urxvt::destroy_hook::	879	bless \shift, urxvt::destroy_hook::
1011	}	880	}
		881
		882	=item $self->enable ($hook_name => $cb[, $hook_name => $cb..])
		883
		884	Dynamically enable the given hooks (named without the C<on_> prefix) for
		885	this extension, replacing any hook previously installed via C<enable> in
		886	this extension.
		887
		888	This is useful when you want to overwrite time-critical hooks only
		889	temporarily.
		890
		891	To install additional callbacks for the same hook, you can use the C<on>
		892	method of the C<urxvt::term> class.
		893
		894	=item $self->disable ($hook_name[, $hook_name..])
		895
		896	Dynamically disable the given hooks.
		897
		898	=cut
		899
		900	sub enable {
		901	my ($self, %hook) = @_;
		902	my $pkg = $self->{_pkg};
		903
		904	while (my ($name, $cb) = each %hook) {
		905	my $htype = $HOOKTYPE{uc $name};
		906	defined $htype
		907	or Carp::croak "unsupported hook type '$name'";
		908
		909	$self->set_should_invoke ($htype, +1)
		910	unless exists $self->{term}{_hook}[$htype]{$pkg};
		911
		912	$self->{term}{_hook}[$htype]{$pkg} = $cb;
		913	}
		914	}
		915
		916	sub disable {
		917	my ($self, @hook) = @_;
		918	my $pkg = $self->{_pkg};
		919
		920	for my $name (@hook) {
		921	my $htype = $HOOKTYPE{uc $name};
		922	defined $htype
		923	or Carp::croak "unsupported hook type '$name'";
		924
		925	$self->set_should_invoke ($htype, -1)
		926	if delete $self->{term}{_hook}[$htype]{$pkg};
		927	}
		928	}
		929
		930	=item $guard = $self->on ($hook_name => $cb[, $hook_name => $cb..])
		931
		932	Similar to the C<enable> enable, but installs additional callbacks for
		933	the given hook(s) (that is, it doesn't replace existing callbacks), and
		934	returns a guard object. When the guard object is destroyed the callbacks
		935	are disabled again.
		936
		937	=cut
		938
		939	sub urxvt::extension::on_disable::DESTROY {
		940	my $disable = shift;
		941
		942	my $term = delete $disable->{""};
		943
		944	while (my ($htype, $id) = each %$disable) {
		945	delete $term->{_hook}[$htype]{$id};
		946	$term->set_should_invoke ($htype, -1);
		947	}
		948	}
		949
		950	sub on {
		951	my ($self, %hook) = @_;
		952
		953	my $term = $self->{term};
		954
		955	my %disable = ( "" => $term );
		956
		957	while (my ($name, $cb) = each %hook) {
		958	my $htype = $HOOKTYPE{uc $name};
		959	defined $htype
		960	or Carp::croak "unsupported hook type '$name'";
		961
		962	$term->set_should_invoke ($htype, +1);
		963	$term->{_hook}[$htype]{ $disable{$htype} = $cb+0 }
		964	= sub { shift; $cb->($self, @_) }; # very ugly indeed
		965	}
		966
		967	bless \%disable, "urxvt::extension::on_disable"
		968	}
		969
		970	=item $self->bind_action ($hotkey, $action)
		971
		972	=item $self->x_resource ($pattern)
		973
		974	=item $self->x_resource_boolean ($pattern)
		975
		976	These methods support an additional C<%> prefix for C<$action> or
		977	C<$pattern> when called on an extension object, compared to the
		978	C<urxvt::term> methods of the same name - see the description of these
		979	methods in the C<urxvt::term> class for details.
		980
		981	=cut
		982
		983	sub bind_action {
		984	my ($self, $hotkey, $action) = @_;
		985	$action =~ s/^%:/$_[0]{_name}:/;
		986	$self->{term}->bind_action ($hotkey, $action)
		987	}
		988
		989	sub x_resource {
		990	my ($self, $name) = @_;
		991	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		992	$self->{term}->x_resource ($name)
		993	}
		994
		995	sub x_resource_boolean {
		996	my ($self, $name) = @_;
		997	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		998	$self->{term}->x_resource_boolean ($name)
		999	}
		1000
		1001	=back
		1002
		1003	=cut
1012		1004
1013	package urxvt::anyevent;	1005	package urxvt::anyevent;
1014		1006
1015	=head2 The C<urxvt::anyevent> Class	1007	=head2 The C<urxvt::anyevent> Class
1016		1008
1017	The sole purpose of this class is to deliver an interface to the	1009	The sole purpose of this class is to deliver an interface to the
1018	C<AnyEvent> module - any module using it will work inside urxvt without	1010	C<AnyEvent> module - any module using it will work inside urxvt without
1019	further programming. The only exception is that you cannot wait on	1011	further programming. The only exception is that you cannot wait on
1020	condition variables, but non-blocking condvar use is ok. What this means	1012	condition variables, but non-blocking condvar use is ok.
1021	is that you cannot use blocking APIs, but the non-blocking variant should
1022	work.
1023		1013
1024	=cut	1014	In practical terms this means is that you cannot use blocking APIs, but
		1015	the non-blocking variant should work.
1025		1016
		1017	=cut
		1018
1026	our $VERSION = 1;	1019	our $VERSION = '5.23';
1027		1020
1028	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there	1021	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
1029	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];	1022	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
1030		1023
1031	sub timer {	1024	sub timer {
…		…
1033		1026
1034	my $cb = $arg{cb};	1027	my $cb = $arg{cb};
1035		1028
1036	urxvt::timer	1029	urxvt::timer
1037	->new	1030	->new
1038	->start (urxvt::NOW + $arg{after})	1031	->after ($arg{after}, $arg{interval})
1039	->cb (sub {	1032	->cb ($arg{interval} ? $cb : sub {
1040	$_[0]->stop; # need to cancel manually	1033	$_[0]->stop; # need to cancel manually
1041	$cb->();	1034	$cb->();
1042	})	1035	})
1043	}	1036	}
1044		1037
1045	sub io {	1038	sub io {
1046	my ($class, %arg) = @_;	1039	my ($class, %arg) = @_;
1047		1040
1048	my $cb = $arg{cb};	1041	my $cb = $arg{cb};
		1042	my $fd = fileno $arg{fh};
		1043	defined $fd or $fd = $arg{fh};
1049		1044
1050	bless [$arg{fh}, urxvt::iow	1045	bless [$arg{fh}, urxvt::iow
1051	->new	1046	->new
1052	->fd (fileno $arg{fh})	1047	->fd ($fd)
1053	->events (($arg{poll} =~ /r/ ? 1 : 0)	1048	->events (($arg{poll} =~ /r/ ? 1 : 0)
1054	| ($arg{poll} =~ /w/ ? 2 : 0))	1049	| ($arg{poll} =~ /w/ ? 2 : 0))
1055	->start	1050	->start
1056	->cb (sub {	1051	->cb ($cb)
1057	$cb->(($_[1] & 1 ? 'r' : '')
1058	. ($_[1] & 2 ? 'w' : ''));
1059	})],
1060	urxvt::anyevent::	1052	], urxvt::anyevent::
		1053	}
		1054
		1055	sub idle {
		1056	my ($class, %arg) = @_;
		1057
		1058	my $cb = $arg{cb};
		1059
		1060	urxvt::iw
		1061	->new
		1062	->start
		1063	->cb ($cb)
		1064	}
		1065
		1066	sub child {
		1067	my ($class, %arg) = @_;
		1068
		1069	my $cb = $arg{cb};
		1070
		1071	urxvt::pw
		1072	->new
		1073	->start ($arg{pid})
		1074	->cb (sub {
		1075	$_[0]->stop; # need to cancel manually
		1076	$cb->($_[0]->rpid, $_[0]->rstatus);
		1077	})
1061	}	1078	}
1062		1079
1063	sub DESTROY {	1080	sub DESTROY {
1064	$_[0][1]->stop;	1081	$_[0][1]->stop;
1065	}	1082	}
1066		1083
1067	sub condvar {	1084	# only needed for AnyEvent < 6 compatibility
1068	bless \my $flag, urxvt::anyevent::condvar::	1085	sub one_event {
1069	}
1070
1071	sub urxvt::anyevent::condvar::broadcast {
1072	${$_[0]}++;
1073	}
1074
1075	sub urxvt::anyevent::condvar::wait {
1076	unless (${$_[0]}) {
1077	Carp::croak "AnyEvent->condvar blocking wait unsupported in urxvt, use a non-blocking API";	1086	Carp::croak "AnyEvent->one_event blocking wait unsupported in urxvt, use a non-blocking API";
1078	}
1079	}	1087	}
1080		1088
1081	package urxvt::term;	1089	package urxvt::term;
1082		1090
1083	=head2 The C<urxvt::term> Class	1091	=head2 The C<urxvt::term> Class
…		…
1096	urxvt::verbose 6, "register package $pkg to $self";	1104	urxvt::verbose 6, "register package $pkg to $self";
1097		1105
1098	@{"$pkg\::ISA"} = urxvt::term::extension::;	1106	@{"$pkg\::ISA"} = urxvt::term::extension::;
1099		1107
1100	my $proxy = bless {	1108	my $proxy = bless {
1101	_pkg => $pkg,	1109	_pkg => $pkg,
		1110	_name => ${"$pkg\::_NAME"}, # hackish
1102	argv => $argv,	1111	argv => $argv,
1103	}, $pkg;	1112	}, $pkg;
1104	Scalar::Util::weaken ($proxy->{term} = $self);	1113	Scalar::Util::weaken ($proxy->{term} = $self);
1105		1114
1106	$self->{_pkg}{$pkg} = $proxy;	1115	$self->{_pkg}{$pkg} = $proxy;
1107		1116
…		…
1110	$proxy->enable ($name => $ref);	1119	$proxy->enable ($name => $ref);
1111	}	1120	}
1112	}	1121	}
1113	}	1122	}
1114		1123
		1124	sub perl_libdirs {
		1125	map { split /:/ }
		1126	$_[0]->resource ("perl_lib"),
		1127	$ENV{URXVT_PERL_LIB},
		1128	"$ENV{HOME}/.urxvt/ext",
		1129	"$LIBDIR/perl"
		1130	}
		1131
		1132	# scan for available extensions and collect their metadata
		1133	sub scan_extensions {
		1134	my ($self) = @_;
		1135
		1136	return if exists $self->{meta};
		1137
		1138	my @urxvtdirs = perl_libdirs $self;
		1139	# my @cpandirs = grep -d, map "$_/URxvt/Ext", @INC;
		1140
		1141	$self->{meta} = \my %meta;
		1142
		1143	# first gather extensions
		1144
		1145	my $gather = sub {
		1146	my ($dir, $core) = @_;
		1147
		1148	opendir my $fh, $dir
		1149	or return;
		1150
		1151	for my $ext (readdir $fh) {
		1152	$ext !~ /^\./
		1153	or next;
		1154
		1155	open my $fh, "<", "$dir/$ext"
		1156	or next;
		1157
		1158	-f $fh
		1159	or next;
		1160
		1161	$ext =~ s/\.uext$// or $core
		1162	or next;
		1163
		1164	my %ext = (dir => $dir);
		1165
		1166	while (<$fh>) {
		1167	if (/^#:META:(?:X_)?RESOURCE:(.*)/) {
		1168	my ($pattern, $type, $desc) = split /:/, $1;
		1169	$pattern =~ s/^%(\.|$)/$ext$1/g; # % in pattern == extension name
		1170	if ($pattern =~ /[^a-zA-Z0-9\-\.]/) {
		1171	warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n";
		1172	} else {
		1173	$ext{resource}{$pattern} = [$ext, $type, $desc];
		1174	}
		1175	} elsif (/^\s*(?:#|$)/) {
		1176	# skip other comments and empty lines
		1177	} else {
		1178	last; # stop parsing on first non-empty non-comment line
		1179	}
		1180	}
		1181
		1182	$meta{ext}{$ext} = \%ext;
		1183	}
		1184	};
		1185
		1186	# $gather->($_, 0) for @cpandirs;
		1187	$gather->($_, 1) for @urxvtdirs;
		1188
		1189	# and now merge resources
		1190
		1191	$meta{resource} = \my %resource;
		1192
		1193	while (my ($k, $v) = each %{ $meta{ext} }) {
		1194	#TODO: should check for extensions overriding each other
		1195	%resource = (%resource, %{ $v->{resource} });
		1196	}
		1197	}
		1198
1115	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]	1199	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
1116		1200
1117	Creates a new terminal, very similar as if you had started it with system	1201	Creates a new terminal, very similar as if you had started it with system
1118	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like	1202	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
1119	hash which defines the environment of the new terminal.	1203	hash which defines the environment of the new terminal.
…		…
1136	}	1220	}
1137		1221
1138	=item $term->destroy	1222	=item $term->destroy
1139		1223
1140	Destroy the terminal object (close the window, free resources	1224	Destroy the terminal object (close the window, free resources
1141	etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event	1225	etc.). Please note that urxvt will not exit as long as any event
1142	watchers (timers, io watchers) are still active.	1226	watchers (timers, io watchers) are still active.
1143		1227
1144	=item $term->exec_async ($cmd[, @args])	1228	=item $term->exec_async ($cmd[, @args])
1145		1229
1146	Works like the combination of the C<fork>/C<exec> builtins, which executes	1230	Works like the combination of the C<fork>/C<exec> builtins, which executes
…		…
1170		1254
1171	Returns true if the option specified by C<$optval> is enabled, and	1255	Returns true if the option specified by C<$optval> is enabled, and
1172	optionally change it. All option values are stored by name in the hash	1256	optionally change it. All option values are stored by name in the hash
1173	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.	1257	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
1174		1258
1175	Here is a a likely non-exhaustive list of option names, please see the	1259	Here is a likely non-exhaustive list of option names, please see the
1176	source file F</src/optinc.h> to see the actual list:	1260	source file F</src/optinc.h> to see the actual list:
1177		1261
1178	borderLess console cursorBlink cursorUnderline hold iconic insecure	1262	borderLess buffered console cursorBlink cursorUnderline hold iconic
1179	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage	1263	insecure intensityStyles iso14755 iso14755_52 jumpScroll loginShell
1180	override-redirect pastableTabs pointerBlank reverseVideo scrollBar	1264	mapAlert meta8 mouseWheelScrollPage override_redirect pastableTabs
1181	scrollBar_floating scrollBar_right scrollTtyKeypress scrollTtyOutput	1265	pointerBlank reverseVideo scrollBar scrollBar_floating scrollBar_right
1182	scrollWithBuffer secondaryScreen secondaryScroll skipBuiltinGlyphs	1266	scrollTtyKeypress scrollTtyOutput scrollWithBuffer secondaryScreen
1183	transparent tripleclickwords utmpInhibit visualBell	1267	secondaryScroll skipBuiltinGlyphs skipScroll transparent tripleclickwords
		1268	urgentOnBell utmpInhibit visualBell
1184		1269
1185	=item $value = $term->resource ($name[, $newval])	1270	=item $value = $term->resource ($name[, $newval])
1186		1271
1187	Returns the current resource value associated with a given name and	1272	Returns the current resource value associated with a given name and
1188	optionally sets a new value. Setting values is most useful in the C<init>	1273	optionally sets a new value. Setting values is most useful in the C<init>
…		…
1197	likely change).	1282	likely change).
1198		1283
1199	Please note that resource strings will currently only be freed when the	1284	Please note that resource strings will currently only be freed when the
1200	terminal is destroyed, so changing options frequently will eat memory.	1285	terminal is destroyed, so changing options frequently will eat memory.
1201		1286
1202	Here is a a likely non-exhaustive list of resource names, not all of which	1287	Here is a likely non-exhaustive list of resource names, not all of which
1203	are supported in every build, please see the source file F</src/rsinc.h>	1288	are supported in every build, please see the source file F</src/rsinc.h>
1204	to see the actual list:	1289	to see the actual list:
1205		1290
1206	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont	1291	answerbackstring backgroundPixmap backspace_key blurradius
1207	borderLess color cursorBlink cursorUnderline cutchars delete_key	1292	boldFont boldItalicFont borderLess buffered chdir color cursorBlink
1208	display_name embed ext_bwidth fade font geometry hold iconName	1293	cursorUnderline cutchars delete_key depth display_name embed ext_bwidth
1209	imFont imLocale inputMethod insecure int_bwidth intensityStyles	1294	fade font geometry hold iconName iconfile imFont imLocale inputMethod
		1295	insecure int_bwidth intensityStyles iso14755 iso14755_52 italicFont
1210	italicFont jumpScroll lineSpace loginShell mapAlert meta8 modifier	1296	jumpScroll letterSpace lineSpace loginShell mapAlert meta8 modifier
1211	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval	1297	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
1212	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay	1298	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
1213	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar	1299	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
1214	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness	1300	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
1215	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle	1301	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
1216	secondaryScreen secondaryScroll selectstyle shade term_name title	1302	secondaryScreen secondaryScroll shade skipBuiltinGlyphs skipScroll
1217	transient_for transparent transparent_all tripleclickwords utmpInhibit	1303	term_name title transient_for transparent tripleclickwords urgentOnBell
1218	visualBell	1304	utmpInhibit visualBell
1219		1305
1220	=cut	1306	=cut
1221		1307
1222	sub resource($$;$) {	1308	sub resource($$;$) {
1223	my ($self, $name) = (shift, shift);	1309	my ($self, $name) = (shift, shift);
1224	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);	1310	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
1225	&urxvt::term::_resource	1311	goto &urxvt::term::_resource
1226	}	1312	}
1227		1313
1228	=item $value = $term->x_resource ($pattern)	1314	=item $value = $term->x_resource ($pattern)
1229		1315
1230	Returns the X-Resource for the given pattern, excluding the program or	1316	Returns the X-Resource for the given pattern, excluding the program or
1231	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the	1317	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
1232	same value as used by this instance of rxvt-unicode. Returns C<undef> if no	1318	same value as used by this instance of rxvt-unicode. Returns C<undef> if no
1233	resource with that pattern exists.	1319	resource with that pattern exists.
1234		1320
		1321	Extensions that define extra resources also need to call this method
		1322	to access their values.
		1323
		1324	If the method is called on an extension object (basically, from an
		1325	extension), then the special prefix C<%.> will be replaced by the name of
		1326	the extension and a dot, and the lone string C<%> will be replaced by the
		1327	extension name itself. This makes it possible to code extensions so you
		1328	can rename them and get a new set of resources without having to change
		1329	the actual code.
		1330
1235	This method should only be called during the C<on_start> hook, as there is	1331	This method should only be called during the C<on_start> hook, as there is
1236	only one resource database per display, and later invocations might return	1332	only one resource database per display, and later invocations might return
1237	the wrong resources.	1333	the wrong resources.
1238		1334
1239	=item $success = $term->parse_keysym ($keysym_spec, $command_string)	1335	=item $value = $term->x_resource_boolean ($pattern)
1240		1336
		1337	Like C<x_resource>, above, but interprets the string value as a boolean
		1338	and returns C<1> for true values, C<0> for false values and C<undef> if
		1339	the resource or option isn't specified.
		1340
		1341	You should always use this method to parse boolean resources.
		1342
		1343	=cut
		1344
		1345	sub x_resource_boolean {
		1346	my $res = &x_resource;
		1347
		1348	$res =~ /^\s*(?:true|yes|on|1)\s*$/i ? 1 : defined $res && 0
		1349	}
		1350
		1351	=item $action = $term->lookup_keysym ($keysym, $state)
		1352
		1353	Returns the action bound to key combination C<($keysym, $state)>,
		1354	if a binding for it exists, and C<undef> otherwise.
		1355
		1356	=item $success = $term->bind_action ($key, $action)
		1357
1241	Adds a keymap translation exactly as specified via a resource. See the	1358	Adds a key binding exactly as specified via a C<keysym> resource. See the
1242	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.	1359	C<keysym> resource in the urxvt(1) manpage.
		1360
		1361	To add default bindings for actions, an extension should call C<<
		1362	->bind_action >> in its C<init> hook for every such binding. Doing it
		1363	in the C<init> hook allows users to override or remove the binding
		1364	again.
		1365
		1366	Example: the C<searchable-scrollback> by default binds itself
		1367	on C<Meta-s>, using C<< $self->bind_action >>, which calls C<<
		1368	$term->bind_action >>.
		1369
		1370	sub init {
		1371	my ($self) = @_;
		1372
		1373	$self->bind_action ("M-s" => "%:start");
		1374	}
1243		1375
1244	=item $rend = $term->rstyle ([$new_rstyle])	1376	=item $rend = $term->rstyle ([$new_rstyle])
1245		1377
1246	Return and optionally change the current rendition. Text that is output by	1378	Return and optionally change the current rendition. Text that is output by
1247	the terminal application will use this style.	1379	the terminal application will use this style.
…		…
1255		1387
1256	=item ($row, $col) = $term->selection_beg ([$row, $col])	1388	=item ($row, $col) = $term->selection_beg ([$row, $col])
1257		1389
1258	=item ($row, $col) = $term->selection_end ([$row, $col])	1390	=item ($row, $col) = $term->selection_end ([$row, $col])
1259		1391
1260	Return the current values of the selection mark, begin or end positions,	1392	Return the current values of the selection mark, begin or end positions.
1261	and optionally set them to new values.	1393
		1394	When arguments are given, then the selection coordinates are set to
		1395	C<$row> and C<$col>, and the selection screen is set to the current
		1396	screen.
		1397
		1398	=item $screen = $term->selection_screen ([$screen])
		1399
		1400	Returns the current selection screen, and then optionally sets it.
1262		1401
1263	=item $term->selection_make ($eventtime[, $rectangular])	1402	=item $term->selection_make ($eventtime[, $rectangular])
1264		1403
1265	Tries to make a selection as set by C<selection_beg> and	1404	Tries to make a selection as set by C<selection_beg> and
1266	C<selection_end>. If C<$rectangular> is true (default: false), a	1405	C<selection_end>. If C<$rectangular> is true (default: false), a
1267	rectangular selection will be made. This is the prefered function to make	1406	rectangular selection will be made. This is the preferred function to make
1268	a selection.	1407	a selection.
1269		1408
1270	=item $success = $term->selection_grab ($eventtime)	1409	=item $success = $term->selection_grab ($eventtime[, $clipboard])
1271		1410
1272	Try to request the primary selection text from the server (for example, as	1411	Try to acquire ownership of the primary (clipboard if C<$clipboard> is
		1412	true) selection from the server. The corresponding text can be set
1273	set by the next method). No visual feedback will be given. This function	1413	with the next method. No visual feedback will be given. This function
1274	is mostly useful from within C<on_sel_grab> hooks.	1414	is mostly useful from within C<on_sel_grab> hooks.
1275		1415
1276	=item $oldtext = $term->selection ([$newtext])	1416	=item $oldtext = $term->selection ([$newtext, $clipboard])
1277		1417
1278	Return the current selection text and optionally replace it by C<$newtext>.	1418	Return the current selection (clipboard if C<$clipboard> is true) text
		1419	and optionally replace it by C<$newtext>.
		1420
		1421	=item $term->selection_clear ([$clipboard])
		1422
		1423	Revoke ownership of the primary (clipboard if C<$clipboard> is true) selection.
1279		1424
1280	=item $term->overlay_simple ($x, $y, $text)	1425	=item $term->overlay_simple ($x, $y, $text)
1281		1426
1282	Create a simple multi-line overlay box. See the next method for details.	1427	Create a simple multi-line overlay box. See the next method for details.
1283		1428
…		…
1313		1458
1314	The methods currently supported on C<urxvt::overlay> objects are:	1459	The methods currently supported on C<urxvt::overlay> objects are:
1315		1460
1316	=over 4	1461	=over 4
1317		1462
1318	=item $overlay->set ($x, $y, $text, $rend)	1463	=item $overlay->set ($x, $y, $text[, $rend])
1319		1464
1320	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts	1465	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts
1321	text in rxvt-unicode's special encoding and an array of rendition values	1466	text in rxvt-unicode's special encoding and an array of rendition values
1322	at a specific position inside the overlay.	1467	at a specific position inside the overlay.
		1468
		1469	If C<$rend> is missing, then the rendition will not be changed.
1323		1470
1324	=item $overlay->hide	1471	=item $overlay->hide
1325		1472
1326	If visible, hide the overlay, but do not destroy it.	1473	If visible, hide the overlay, but do not destroy it.
1327		1474
…		…
1390		1537
1391	=item $term->scr_add_lines ($string)	1538	=item $term->scr_add_lines ($string)
1392		1539
1393	Write the given text string to the screen, as if output by the application	1540	Write the given text string to the screen, as if output by the application
1394	running inside the terminal. It may not contain command sequences (escape	1541	running inside the terminal. It may not contain command sequences (escape
1395	codes), but is free to use line feeds, carriage returns and tabs. The	1542	codes - see C<cmd_parse> for that), but is free to use line feeds,
1396	string is a normal text string, not in locale-dependent encoding.	1543	carriage returns and tabs. The string is a normal text string, not in
		1544	locale-dependent encoding.
1397		1545
1398	Normally its not a good idea to use this function, as programs might be	1546	Normally its not a good idea to use this function, as programs might be
1399	confused by changes in cursor position or scrolling. Its useful inside a	1547	confused by changes in cursor position or scrolling. Its useful inside a
1400	C<on_add_lines> hook, though.	1548	C<on_add_lines> hook, though.
1401		1549
…		…
1409	locale-specific encoding of the terminal and can contain command sequences	1557	locale-specific encoding of the terminal and can contain command sequences
1410	(escape codes) that will be interpreted.	1558	(escape codes) that will be interpreted.
1411		1559
1412	=item $term->tt_write ($octets)	1560	=item $term->tt_write ($octets)
1413		1561
1414	Write the octets given in C<$data> to the tty (i.e. as program input). To	1562	Write the octets given in C<$octets> to the tty (i.e. as user input
		1563	to the program, see C<cmd_parse> for the opposite direction). To pass
1415	pass characters instead of octets, you should convert your strings first	1564	characters instead of octets, you should convert your strings first to the
1416	to the locale-specific encoding using C<< $term->locale_encode >>.	1565	locale-specific encoding using C<< $term->locale_encode >>.
		1566
		1567	=item $term->tt_write_user_input ($octets)
		1568
		1569	Like C<tt_write>, but should be used when writing strings in response to
		1570	the user pressing a key, to invoke the additional actions requested by
		1571	the user for that case (C<tt_write> doesn't do that).
		1572
		1573	The typical use case would be inside C<on_action> hooks.
		1574
		1575	=item $term->tt_paste ($octets)
		1576
		1577	Write the octets given in C<$octets> to the tty as a paste, converting NL to
		1578	CR and bracketing the data with control sequences if bracketed paste mode
		1579	is set.
1417		1580
1418	=item $old_events = $term->pty_ev_events ([$new_events])	1581	=item $old_events = $term->pty_ev_events ([$new_events])
1419		1582
1420	Replaces the event mask of the pty watcher by the given event mask. Can	1583	Replaces the event mask of the pty watcher by the given event mask. Can
1421	be used to suppress input and output handling to the pty/tty. See the	1584	be used to suppress input and output handling to the pty/tty. See the
…		…
1440	Adds the specified events to the vt event mask. Useful e.g. when you want	1603	Adds the specified events to the vt event mask. Useful e.g. when you want
1441	to receive pointer events all the times:	1604	to receive pointer events all the times:
1442		1605
1443	$term->vt_emask_add (urxvt::PointerMotionMask);	1606	$term->vt_emask_add (urxvt::PointerMotionMask);
1444		1607
		1608	=item $term->set_urgency ($set)
		1609
		1610	Enable/disable the urgency hint on the toplevel window.
		1611
1445	=item $term->focus_in	1612	=item $term->focus_in
1446		1613
1447	=item $term->focus_out	1614	=item $term->focus_out
1448		1615
1449	=item $term->key_press ($state, $keycode[, $time])	1616	=item $term->key_press ($state, $keycode[, $time])
…		…
1519		1686
1520	Returns the currently displayed screen (0 primary, 1 secondary).	1687	Returns the currently displayed screen (0 primary, 1 secondary).
1521		1688
1522	=item $cursor_is_hidden = $term->hidden_cursor	1689	=item $cursor_is_hidden = $term->hidden_cursor
1523		1690
1524	Returns wether the cursor is currently hidden or not.	1691	Returns whether the cursor is currently hidden or not.
1525		1692
1526	=item $view_start = $term->view_start ([$newvalue])	1693	=item $view_start = $term->view_start ([$newvalue])
1527		1694
1528	Returns the row number of the topmost displayed line. Maximum value is	1695	Returns the row number of the topmost displayed line. Maximum value is
1529	C<0>, which displays the normal terminal contents. Lower values scroll	1696	C<0>, which displays the normal terminal contents. Lower values scroll
…		…
1535	compare the on-screen display with its stored representation. If they	1702	compare the on-screen display with its stored representation. If they
1536	differ, it redraws the differences.	1703	differ, it redraws the differences.
1537		1704
1538	Used after changing terminal contents to display them.	1705	Used after changing terminal contents to display them.
1539		1706
		1707	=item $term->refresh_check
		1708
		1709	Checks if a refresh has been requested and, if so, schedules one.
		1710
1540	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])	1711	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
1541		1712
1542	Returns the text of the entire row with number C<$row_number>. Row C<0>	1713	Returns the text of the entire row with number C<$row_number>. Row C<< $term->top_row >>
1543	is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost	1714	is the topmost terminal line, row C<< $term->nrow-1 >> is the bottommost
1544	terminal line. The scrollback buffer starts at line C<-1> and extends to
1545	line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line	1715	terminal line. Nothing will be returned if a nonexistent line
1546	is requested.	1716	is requested.
1547		1717
1548	If C<$new_text> is specified, it will replace characters in the current	1718	If C<$new_text> is specified, it will replace characters in the current
1549	line, starting at column C<$start_col> (default C<0>), which is useful	1719	line, starting at column C<$start_col> (default C<0>), which is useful
1550	to replace only parts of a line. The font index in the rendition will	1720	to replace only parts of a line. The font index in the rendition will
1551	automatically be updated.	1721	automatically be updated.
1552		1722
1553	C<$text> is in a special encoding: tabs and wide characters that use more	1723	C<$text> is in a special encoding: tabs and wide characters that use more
1554	than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)	1724	than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
1555	characters. Characters with combining characters and other characters that	1725	characters. Characters with combining characters and other characters that
1556	do not fit into the normal tetx encoding will be replaced with characters	1726	do not fit into the normal text encoding will be replaced with characters
1557	in the private use area.	1727	in the private use area.
1558		1728
1559	You have to obey this encoding when changing text. The advantage is	1729	You have to obey this encoding when changing text. The advantage is
1560	that C<substr> and similar functions work on screen cells and not on	1730	that C<substr> and similar functions work on screen cells and not on
1561	characters.	1731	characters.
…		…
1646	}	1816	}
1647		1817
1648	sub urxvt::line::t {	1818	sub urxvt::line::t {
1649	my ($self) = @_;	1819	my ($self) = @_;
1650		1820
1651	if (@_ > 1)	1821	if (@_ > 1) {
1652	{
1653	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1822	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1654	for $self->{beg} .. $self->{end};	1823	for $self->{beg} .. $self->{end};
1655	}	1824	}
1656		1825
1657	defined wantarray &&	1826	defined wantarray &&
1658	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),	1827	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),
1659	0, $self->{len}	1828	0, $self->{len}
1660	}	1829	}
1661		1830
1662	sub urxvt::line::r {	1831	sub urxvt::line::r {
1663	my ($self) = @_;	1832	my ($self) = @_;
1664		1833
1665	if (@_ > 1)	1834	if (@_ > 1) {
1666	{
1667	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1835	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1668	for $self->{beg} .. $self->{end};	1836	for $self->{beg} .. $self->{end};
1669	}	1837	}
1670		1838
1671	if (defined wantarray) {	1839	if (defined wantarray) {
1672	my $rend = [	1840	my $rend = [
1673	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}	1841	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}
1674	];	1842	];
…		…
1706	where one character corresponds to one screen cell. See	1874	where one character corresponds to one screen cell. See
1707	C<< $term->ROW_t >> for details.	1875	C<< $term->ROW_t >> for details.
1708		1876
1709	=item $string = $term->special_decode $text	1877	=item $string = $term->special_decode $text
1710		1878
1711	Converts rxvt-unicodes text reprsentation into a perl string. See	1879	Converts rxvt-unicodes text representation into a perl string. See
1712	C<< $term->ROW_t >> for details.	1880	C<< $term->ROW_t >> for details.
1713		1881
1714	=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])	1882	=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
1715		1883
1716	=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])	1884	=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
…		…
1719	manpage.	1887	manpage.
1720		1888
1721	=item $success = $term->grab ($eventtime[, $sync])	1889	=item $success = $term->grab ($eventtime[, $sync])
1722		1890
1723	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or	1891	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1724	synchronous (C<$sync> is true). Also remembers the grab timestampe.	1892	synchronous (C<$sync> is true). Also remembers the grab timestamp.
1725		1893
1726	=item $term->allow_events_async	1894	=item $term->allow_events_async
1727		1895
1728	Calls XAllowEvents with AsyncBoth for the most recent grab.	1896	Calls XAllowEvents with AsyncBoth for the most recent grab.
1729		1897
…		…
1736	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most	1904	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
1737	recent grab.	1905	recent grab.
1738		1906
1739	=item $term->ungrab	1907	=item $term->ungrab
1740		1908
1741	Calls XUngrab for the most recent grab. Is called automatically on	1909	Calls XUngrabPointer and XUngrabKeyboard for the most recent grab. Is called automatically on
1742	evaluation errors, as it is better to lose the grab in the error case as	1910	evaluation errors, as it is better to lose the grab in the error case as
1743	the session.	1911	the session.
1744		1912
1745	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])	1913	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
1746		1914
…		…
1748		1916
1749	=item @atoms = $term->XListProperties ($window)	1917	=item @atoms = $term->XListProperties ($window)
1750		1918
1751	=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)	1919	=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
1752		1920
1753	=item $term->XChangeWindowProperty ($window, $property, $type, $format, $octets)	1921	=item $term->XChangeProperty ($window, $property, $type, $format, $octets)
1754		1922
1755	=item $term->XDeleteProperty ($window, $property)	1923	=item $term->XDeleteProperty ($window, $property)
1756		1924
1757	=item $window = $term->DefaultRootWindow	1925	=item $window = $term->DefaultRootWindow
1758		1926
…		…
1765	=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)	1933	=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
1766		1934
1767	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)	1935	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
1768		1936
1769	=item $term->XChangeInput ($window, $add_events[, $del_events])	1937	=item $term->XChangeInput ($window, $add_events[, $del_events])
		1938
		1939	=item $keysym = $term->XStringToKeysym ($string)
		1940
		1941	=item $string = $term->XKeysymToString ($keysym)
1770		1942
1771	Various X or X-related functions. The C<$term> object only serves as	1943	Various X or X-related functions. The C<$term> object only serves as
1772	the source of the display, otherwise those functions map more-or-less	1944	the source of the display, otherwise those functions map more-or-less
1773	directory onto the X functions of the same name.	1945	directly onto the X functions of the same name.
1774		1946
1775	=back	1947	=back
1776		1948
1777	=cut	1949	=cut
1778		1950
…		…
1880	my $env = $self->{term}->env;	2052	my $env = $self->{term}->env;
1881	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.	2053	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
1882	delete $env->{LC_ALL};	2054	delete $env->{LC_ALL};
1883	$env->{LC_CTYPE} = $self->{term}->locale;	2055	$env->{LC_CTYPE} = $self->{term}->locale;
1884		2056
1885	urxvt::term->new ($env, "popup",	2057	my $term = urxvt::term->new (
		2058	$env, "popup",
1886	"--perl-lib" => "", "--perl-ext-common" => "",	2059	"--perl-lib" => "", "--perl-ext-common" => "",
1887	"-pty-fd" => -1, "-sl" => 0,	2060	"-pty-fd" => -1, "-sl" => 0,
1888	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",	2061	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1889	"--transient-for" => $self->{term}->parent,	2062	"--transient-for" => $self->{term}->parent,
1890	"-display" => $self->{term}->display_id,	2063	"-display" => $self->{term}->display_id,
1891	"-pe" => "urxvt-popup")	2064	"-pe" => "urxvt-popup",
1892	or die "unable to create popup window\n";	2065	) or die "unable to create popup window\n";
		2066
		2067	unless (delete $term->{urxvt_popup_init_done}) {
		2068	$term->ungrab;
		2069	$term->destroy;
		2070	die "unable to initialise popup window\n";
		2071	}
1893	}	2072	}
1894		2073
1895	sub DESTROY {	2074	sub DESTROY {
1896	my ($self) = @_;	2075	my ($self) = @_;
1897		2076
…		…
1902	=back	2081	=back
1903		2082
1904	=cut	2083	=cut
1905		2084
1906	package urxvt::watcher;	2085	package urxvt::watcher;
1907
1908	@urxvt::timer::ISA = __PACKAGE__;
1909	@urxvt::iow::ISA = __PACKAGE__;
1910	@urxvt::pw::ISA = __PACKAGE__;
1911	@urxvt::iw::ISA = __PACKAGE__;
1912		2086
1913	=head2 The C<urxvt::timer> Class	2087	=head2 The C<urxvt::timer> Class
1914		2088
1915	This class implements timer watchers/events. Time is represented as a	2089	This class implements timer watchers/events. Time is represented as a
1916	fractional number of seconds since the epoch. Example:	2090	fractional number of seconds since the epoch. Example:
…		…
1920	->new	2094	->new
1921	->interval (1)	2095	->interval (1)
1922	->cb (sub {	2096	->cb (sub {
1923	$term->{overlay}->set (0, 0,	2097	$term->{overlay}->set (0, 0,
1924	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);	2098	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
1925	});	2099	});
1926		2100
1927	=over 4	2101	=over 4
1928		2102
1929	=item $timer = new urxvt::timer	2103	=item $timer = new urxvt::timer
1930		2104
…		…
1933		2107
1934	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })	2108	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })
1935		2109
1936	Set the callback to be called when the timer triggers.	2110	Set the callback to be called when the timer triggers.
1937		2111
1938	=item $tstamp = $timer->at
1939
1940	Return the time this watcher will fire next.
1941
1942	=item $timer = $timer->set ($tstamp)	2112	=item $timer = $timer->set ($tstamp[, $interval])
1943		2113
1944	Set the time the event is generated to $tstamp.	2114	Set the time the event is generated to $tstamp (and optionally specifies a
		2115	new $interval).
1945		2116
1946	=item $timer = $timer->interval ($interval)	2117	=item $timer = $timer->interval ($interval)
1947		2118
1948	Normally (and when C<$interval> is C<0>), the timer will automatically	2119	By default (and when C<$interval> is C<0>), the timer will automatically
1949	stop after it has fired once. If C<$interval> is non-zero, then the timer	2120	stop after it has fired once. If C<$interval> is non-zero, then the timer
1950	is automatically rescheduled at the given intervals.	2121	is automatically rescheduled at the given intervals.
1951		2122
1952	=item $timer = $timer->start	2123	=item $timer = $timer->start
1953		2124
1954	Start the timer.	2125	Start the timer.
1955		2126
1956	=item $timer = $timer->start ($tstamp)	2127	=item $timer = $timer->start ($tstamp[, $interval])
1957		2128
1958	Set the event trigger time to C<$tstamp> and start the timer.	2129	Set the event trigger time to C<$tstamp> and start the timer. Optionally
		2130	also replaces the interval.
1959		2131
1960	=item $timer = $timer->after ($delay)	2132	=item $timer = $timer->after ($delay[, $interval])
1961		2133
1962	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.	2134	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1963		2135
1964	=item $timer = $timer->stop	2136	=item $timer = $timer->stop
1965		2137
…		…
1973		2145
1974	$term->{socket} = ...	2146	$term->{socket} = ...
1975	$term->{iow} = urxvt::iow	2147	$term->{iow} = urxvt::iow
1976	->new	2148	->new
1977	->fd (fileno $term->{socket})	2149	->fd (fileno $term->{socket})
1978	->events (urxvt::EVENT_READ)	2150	->events (urxvt::EV_READ)
1979	->start	2151	->start
1980	->cb (sub {	2152	->cb (sub {
1981	my ($iow, $revents) = @_;	2153	my ($iow, $revents) = @_;
1982	# $revents must be 1 here, no need to check	2154	# $revents must be 1 here, no need to check
1983	sysread $term->{socket}, my $buf, 8192	2155	sysread $term->{socket}, my $buf, 8192
…		…
1996	Set the callback to be called when io events are triggered. C<$reventmask>	2168	Set the callback to be called when io events are triggered. C<$reventmask>
1997	is a bitset as described in the C<events> method.	2169	is a bitset as described in the C<events> method.
1998		2170
1999	=item $iow = $iow->fd ($fd)	2171	=item $iow = $iow->fd ($fd)
2000		2172
2001	Set the filedescriptor (not handle) to watch.	2173	Set the file descriptor (not handle) to watch.
2002		2174
2003	=item $iow = $iow->events ($eventmask)	2175	=item $iow = $iow->events ($eventmask)
2004		2176
2005	Set the event mask to watch. The only allowed values are	2177	Set the event mask to watch. The only allowed values are
2006	C<urxvt::EVENT_READ> and C<urxvt::EVENT_WRITE>, which might be ORed	2178	C<urxvt::EV_READ> and C<urxvt::EV_WRITE>, which might be ORed
2007	together, or C<urxvt::EVENT_NONE>.	2179	together, or C<urxvt::EV_NONE>.
2008		2180
2009	=item $iow = $iow->start	2181	=item $iow = $iow->start
2010		2182
2011	Start watching for requested events on the given handle.	2183	Start watching for requested events on the given handle.
2012		2184
2013	=item $iow = $iow->stop	2185	=item $iow = $iow->stop
2014		2186
2015	Stop watching for events on the given filehandle.	2187	Stop watching for events on the given file handle.
2016		2188
2017	=back	2189	=back
2018		2190
2019	=head2 The C<urxvt::iw> Class	2191	=head2 The C<urxvt::iw> Class
2020		2192
…		…
2053	->new	2225	->new
2054	->start ($pid)	2226	->start ($pid)
2055	->cb (sub {	2227	->cb (sub {
2056	my ($pw, $exit_status) = @_;	2228	my ($pw, $exit_status) = @_;
2057	...	2229	...
2058	});	2230	});
2059		2231
2060	=over 4	2232	=over 4
2061		2233
2062	=item $pw = new urxvt::pw	2234	=item $pw = new urxvt::pw
2063		2235
…		…
2067		2239
2068	Set the callback to be called when the timer triggers.	2240	Set the callback to be called when the timer triggers.
2069		2241
2070	=item $pw = $timer->start ($pid)	2242	=item $pw = $timer->start ($pid)
2071		2243
2072	Tells the wqtcher to start watching for process C<$pid>.	2244	Tells the watcher to start watching for process C<$pid>.
2073		2245
2074	=item $pw = $pw->stop	2246	=item $pw = $pw->stop
2075		2247
2076	Stop the watcher.	2248	Stop the watcher.
2077		2249
…		…
2090		2262
2091	=item >= 3 - script loading and management	2263	=item >= 3 - script loading and management
2092		2264
2093	=item >=10 - all called hooks	2265	=item >=10 - all called hooks
2094		2266
2095	=item >=11 - hook reutrn values	2267	=item >=11 - hook return values
2096		2268
2097	=back	2269	=back
2098		2270
2099	=head1 AUTHOR	2271	=head1 AUTHOR
2100		2272
2101	Marc Lehmann <pcg@goof.com>	2273	Marc Lehmann <schmorp@schmorp.de>
2102	http://software.schmorp.de/pkg/rxvt-unicode	2274	http://software.schmorp.de/pkg/rxvt-unicode
2103		2275
2104	=cut	2276	=cut
2105		2277
2106	1	2278	1
		2279
		2280	# vim: sw=3:

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