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Revision 1.140 by root, Mon Jul 3 19:10:09 2006 UTC vs.
Revision 1.244 by sf-exg, Mon Oct 13 12:17:48 2014 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 and also default bindings for one or
47		51	more actions it provides using so called META comments, described
48	(More) intelligent selection. This extension tries to be more intelligent	52	below. Similarly to builtin resources, extension resources can also be
49	when the user extends selections (double-click and further clicks). Right	53	specified on the command line as long options (with C<.> replaced by
50	now, it tries to select words, urls and complete shell-quoted	54	C<->), in which case the corresponding extension is loaded
51	arguments, which is very convenient, too, if your F<ls> supports	55	automatically. For this to work the extension B<must> define META
52	C<--quoting-style=shell>.	56	comments for its resources.
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	=item readline (enabled by default)
157
158	A support package that tries to make editing with readline easier. At
159	the moment, it reacts to clicking shift-left mouse button by trying to
160	move the text cursor to this position. It does so by generating as many
161	cursor-left or cursor-right keypresses as required (the this only works
162	for programs that correctly support wide characters).
163
164	To avoid too many false positives, this is only done when:
165
166	=over 4
167
168	=item - the tty is in ICANON state.
169
170	=item - the text cursor is visible.
171
172	=item - the primary screen is currently being displayed.
173
174	=item - the mouse is on the same (multi-row-) line as the text cursor.
175
176	=back
177
178	The normal selection mechanism isn't disabled, so quick successive clicks
179	might interfere with selection creation in harmless ways.
180
181	=item selection-autotransform
182
183	This selection allows you to do automatic transforms on a selection
184	whenever a selection is made.
185
186	It works by specifying perl snippets (most useful is a single C<s///>
187	operator) that modify C<$_> as resources:
188
189	URxvt.selection-autotransform.0: transform
190	URxvt.selection-autotransform.1: transform
191	...
192
193	For example, the following will transform selections of the form
194	C<filename:number>, often seen in compiler messages, into C<vi +$filename
195	$word>:
196
197	URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/
198
199	And this example matches the same,but replaces it with vi-commands you can
200	paste directly into your (vi :) editor:
201
202	URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/:e \\Q$1\\E\\x0d:$2\\x0d/
203
204	Of course, this can be modified to suit your needs and your editor :)
205
206	To expand the example above to typical perl error messages ("XXX at
207	FILENAME line YYY."), you need a slightly more elaborate solution:
208
209	URxvt.selection.pattern-0: ( at .*? line \\d+[,.])
210	URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)[,.]$/:e \\Q$1\E\\x0d:$2\\x0d/
211
212	The first line tells the selection code to treat the unchanging part of
213	every error message as a selection pattern, and the second line transforms
214	the message into vi commands to load the file.
215
216	=item tabbed
217
218	This transforms the terminal into a tabbar with additional terminals, that
219	is, it implements what is commonly refered to as "tabbed terminal". The topmost line
220	displays a "[NEW]" button, which, when clicked, will add a new tab, followed by one
221	button per tab.
222
223	Clicking a button will activate that tab. Pressing B<Shift-Left> and
224	B<Shift-Right> will switch to the tab left or right of the current one,
225	while B<Shift-Down> creates a new tab.
226
227	The tabbar itself can be configured similarly to a normal terminal, but
228	with a resource class of C<URxvt.tabbed>. In addition, it supports the
229	following four resources (shown with defaults):
230
231	URxvt.tabbed.tabbar-fg: <colour-index, default 3>
232	URxvt.tabbed.tabbar-bg: <colour-index, default 0>
233	URxvt.tabbed.tab-fg: <colour-index, default 0>
234	URxvt.tabbed.tab-bg: <colour-index, default 1>
235
236	See I<COLOR AND GRAPHICS> in the @@RXVT_NAME@@(1) manpage for valid
237	indices.
238
239	=item mark-urls
240
241	Uses per-line display filtering (C<on_line_update>) to underline urls and
242	make them clickable. When middle-clicked, the program specified in the
243	resource C<urlLauncher> (default C<x-www-browser>) will be started with
244	the URL as first argument.
245
246	=item xim-onthespot
247
248	This (experimental) perl extension implements OnTheSpot editing. It does
249	not work perfectly, and some input methods don't seem to work well with
250	OnTheSpot editing in general, but it seems to work at leats for SCIM and
251	kinput2.
252
253	You enable it by specifying this extension and a preedit style of
254	C<OnTheSpot>, i.e.:
255
256	@@RXVT_NAME@@ -pt OnTheSpot -pe xim-onthespot
257
258	=item automove-background
259
260	This is basically a very small extension that dynamically changes the
261	background pixmap offset to the window position, in effect creating the
262	same effect as pseudo transparency with a custom pixmap. No scaling is
263	supported in this mode. Exmaple:
264
265	@@RXVT_NAME@@ -pixmap background.xpm -pe automove-background
266
267	=item block-graphics-to-ascii
268
269	A not very useful example of filtering all text output to the terminal,
270	by replacing all line-drawing characters (U+2500 .. U+259F) by a
271	similar-looking ascii character.
272
273	=item digital-clock
274
275	Displays a digital clock using the built-in overlay.
276
277	=item remote-clipboard
278
279	Somewhat of a misnomer, this extension adds two menu entries to the
280	selection popup that allows one ti run external commands to store the
281	selection somewhere and fetch it again.
282
283	We use it to implement a "distributed selection mechanism", which just
284	means that one command uploads the file to a remote server, and another
285	reads it.
286
287	The commands can be set using the C<URxvt.remote-selection.store> and
288	C<URxvt.remote-selection.fetch> resources. The first should read the
289	selection to store from STDIN (always in UTF-8), the second should provide
290	the selection data on STDOUT (also in UTF-8).
291
292	The defaults (which are likely useless to you) use rsh and cat:
293
294	URxvt.remote-selection.store: rsh ruth 'cat >/tmp/distributed-selection'
295	URxvt.remote-selection.fetch: rsh ruth 'cat /tmp/distributed-selection'
296
297	=item selection-pastebin
298
299	This is a little rarely useful extension that Uploads the selection as
300	textfile to a remote site (or does other things). (The implementation is
301	not currently secure for use in a multiuser environment as it writes to
302	F</tmp> directly.).
303
304	It listens to the C<selection-pastebin:remote-pastebin> keyboard command,
305	i.e.
306
307	URxvt.keysym.C-M-e: perl:selection-pastebin:remote-pastebin
308
309	Pressing this combination runs a command with C<%> replaced by the name of
310	the textfile. This command can be set via a resource:
311
312	URxvt.selection-pastebin.cmd: rsync -apP % ruth:/var/www/www.ta-sa.org/files/txt/.
313
314	And the default is likely not useful to anybody but the few people around
315	here :)
316
317	The name of the textfile is the hex encoded md5 sum of the selection, so
318	the same content should lead to the same filename.
319
320	After a successful upload the selection will be replaced by the text given
321	in the C<selection-pastebin-url> resource (again, the % is the placeholder
322	for the filename):
323
324	URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/%
325
326	=item example-refresh-hooks
327
328	Displays a very simple digital clock in the upper right corner of the
329	window. Illustrates overwriting the refresh callbacks to create your own
330	overlays or changes.
331
332	=back
333		57
334	=head1 API DOCUMENTATION	58	=head1 API DOCUMENTATION
335		59
336	=head2 General API Considerations	60	=head2 General API Considerations
337		61
…		…
351		75
352	=over 4	76	=over 4
353		77
354	=item $text	78	=item $text
355		79
356	Rxvt-unicodes special way of encoding text, where one "unicode" character	80	Rxvt-unicode's special way of encoding text, where one "unicode" character
357	always represents one screen cell. See L<ROW_t> for a discussion of this format.	81	always represents one screen cell. See L<ROW_t> for a discussion of this format.
358		82
359	=item $string	83	=item $string
360		84
361	A perl text string, with an emphasis on I<text>. It can store all unicode	85	A perl text string, with an emphasis on I<text>. It can store all unicode
…		…
365	=item $octets	89	=item $octets
366		90
367	Either binary data or - more common - a text string encoded in a	91	Either binary data or - more common - a text string encoded in a
368	locale-specific way.	92	locale-specific way.
369		93
		94	=item $keysym
		95
		96	an integer that is a valid X11 keysym code. You can convert a string
		97	into a keysym and viceversa by using C<XStringToKeysym> and
		98	C<XKeysymToString>.
		99
370	=back	100	=back
371		101
372	=head2 Extension Objects	102	=head2 Extension Objects
373		103
374	Every perl extension is a perl class. A separate perl object is created	104	Every perl extension is a perl class. A separate perl object is created
375	for each terminal and each extension and passed as the first parameter to	105	for each terminal, and each terminal has its own set of extension objects,
376	hooks. So extensions can use their C<$self> object without having to think	106	which are passed as the first parameter to hooks. So extensions can use
377	about other extensions, with the exception of methods and members that	107	their C<$self> object without having to think about clashes with other
		108	extensions or other terminals, with the exception of methods and members
378	begin with an underscore character C<_>: these are reserved for internal	109	that begin with an underscore character C<_>: these are reserved for
379	use.	110	internal use.
380		111
381	Although it isn't a C<urxvt::term> object, you can call all methods of the	112	Although it isn't a C<urxvt::term> object, you can call all methods of the
382	C<urxvt::term> class on this object.	113	C<urxvt::term> class on this object.
383		114
384	It has the following methods and data members:	115	Additional methods only supported for extension objects are described in
		116	the C<urxvt::extension> section below.
		117
		118	=head2 META comments
		119
		120	rxvt-unicode recognizes special comments in extensions that define
		121	different types of metadata:
385		122
386	=over 4	123	=over 4
387		124
388	=item $urxvt_term = $self->{term}	125	=item #:META:RESOURCE:name:type:desc
389		126
390	Returns the C<urxvt::term> object associated with this instance of the	127	The RESOURCE comment defines a resource used by the extension, where
391	extension. This member I<must not> be changed in any way.	128	C<name> is the resource name, C<type> is the resource type, C<boolean>
		129	or C<string>, and C<desc> is the resource description.
392		130
393	=item $self->enable ($hook_name => $cb, [$hook_name => $cb..])	131	=item #:META:BINDING:sym:action
394		132
395	Dynamically enable the given hooks (named without the C<on_> prefix) for	133	The BINDING comment defines a default binding for an action provided
396	this extension, replacing any previous hook. This is useful when you want	134	by the extension, where C<sym> is the key combination that triggers
397	to overwrite time-critical hooks only temporarily.	135	the action, whose format is defined in the description of the
398		136	B<keysym> resource in the urxvt(1) manpage, and C<action> is the name
399	=item $self->disable ($hook_name[, $hook_name..])	137	of the action method.
400
401	Dynamically disable the given hooks.
402		138
403	=back	139	=back
404		140
405	=head2 Hooks	141	=head2 Hooks
406		142
407	The following subroutines can be declared in extension files, and will be	143	The following subroutines can be declared in extension files, and will be
408	called whenever the relevant event happens.	144	called whenever the relevant event happens.
409		145
410	The first argument passed to them is an extension oject as described in	146	The first argument passed to them is an extension object as described in
411	the in the C<Extension Objects> section.	147	the in the C<Extension Objects> section.
412		148
413	B<All> of these hooks must return a boolean value. If any of the called	149	B<All> of these hooks must return a boolean value. If any of the called
414	hooks returns true, then the event counts as being I<consumed>, and the	150	hooks returns true, then the event counts as being I<consumed>, and the
415	relevant action might not be carried out by the C++ code.	151	relevant action might not be carried out by the C++ code.
…		…
428	place.	164	place.
429		165
430	=item on_start $term	166	=item on_start $term
431		167
432	Called at the very end of initialisation of a new terminal, just before	168	Called at the very end of initialisation of a new terminal, just before
433	trying to map (display) the toplevel and returning to the mainloop.	169	trying to map (display) the toplevel and returning to the main loop.
434		170
435	=item on_destroy $term	171	=item on_destroy $term
436		172
437	Called whenever something tries to destroy terminal, when the terminal is	173	Called whenever something tries to destroy terminal, when the terminal is
438	still fully functional (not for long, though).	174	still fully functional (not for long, though).
…		…
465		201
466	Called whenever a selection has been copied, but before the selection is	202	Called whenever a selection has been copied, but before the selection is
467	requested from the server. The selection text can be queried and changed	203	requested from the server. The selection text can be queried and changed
468	by calling C<< $term->selection >>.	204	by calling C<< $term->selection >>.
469		205
470	Returning a true value aborts selection grabbing. It will still be hilighted.	206	Returning a true value aborts selection grabbing. It will still be highlighted.
471		207
472	=item on_sel_extend $term	208	=item on_sel_extend $term
473		209
474	Called whenever the user tries to extend the selection (e.g. with a double	210	Called whenever the user tries to extend the selection (e.g. with a double
475	click) and is either supposed to return false (normal operation), or	211	click) and is either supposed to return false (normal operation), or
476	should extend the selection itelf and return true to suppress the built-in	212	should extend the selection itself and return true to suppress the built-in
477	processing. This can happen multiple times, as long as the callback	213	processing. This can happen multiple times, as long as the callback
478	returns true, it will be called on every further click by the user and is	214	returns true, it will be called on every further click by the user and is
479	supposed to enlarge the selection more and more, if possible.	215	supposed to enlarge the selection more and more, if possible.
480		216
481	See the F<selection> example extension.	217	See the F<selection> example extension.
482		218
483	=item on_view_change $term, $offset	219	=item on_view_change $term, $offset
484		220
485	Called whenever the view offset changes, i..e the user or program	221	Called whenever the view offset changes, i.e. the user or program
486	scrolls. Offset C<0> means display the normal terminal, positive values	222	scrolls. Offset C<0> means display the normal terminal, positive values
487	show this many lines of scrollback.	223	show this many lines of scrollback.
488		224
489	=item on_scroll_back $term, $lines, $saved	225	=item on_scroll_back $term, $lines, $saved
490		226
…		…
494		230
495	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,	231	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,
496	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total	232	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total
497	number of lines that will be in the scrollback buffer.	233	number of lines that will be in the scrollback buffer.
498		234
499	=item on_osc_seq $term, $op, $args	235	=item on_osc_seq $term, $op, $args, $resp
500		236
501	Called on every OSC sequence and can be used to suppress it or modify its	237	Called on every OSC sequence and can be used to suppress it or modify its
502	behaviour. The default should be to return an empty list. A true value	238	behaviour. The default should be to return an empty list. A true value
503	suppresses execution of the request completely. Make sure you don't get	239	suppresses execution of the request completely. Make sure you don't get
504	confused by recursive invocations when you output an osc sequence within	240	confused by recursive invocations when you output an OSC sequence within
505	this callback.	241	this callback.
506		242
507	C<on_osc_seq_perl> should be used for new behaviour.	243	C<on_osc_seq_perl> should be used for new behaviour.
508		244
509	=item on_osc_seq_perl $term, $string	245	=item on_osc_seq_perl $term, $args, $resp
510		246
511	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =	247	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
512	operating system command) is processed. Cursor position and other state	248	operating system command) is processed. Cursor position and other state
513	information is up-to-date when this happens. For interoperability, the	249	information is up-to-date when this happens. For interoperability, the
514	string should start with the extension name and a colon, to distinguish	250	string should start with the extension name (sans -osc) and a semicolon,
515	it from commands for other extensions, and this might be enforced in the	251	to distinguish it from commands for other extensions, and this might be
516	future.	252	enforced in the future.
		253
		254	For example, C<overlay-osc> uses this:
		255
		256	sub on_osc_seq_perl {
		257	my ($self, $osc, $resp) = @_;
		258
		259	return unless $osc =~ s/^overlay;//;
		260
		261	... process remaining $osc string
		262	}
517		263
518	Be careful not ever to trust (in a security sense) the data you receive,	264	Be careful not ever to trust (in a security sense) the data you receive,
519	as its source can not easily be controleld (e-mail content, messages from	265	as its source can not easily be controlled (e-mail content, messages from
520	other users on the same system etc.).	266	other users on the same system etc.).
		267
		268	For responses, C<$resp> contains the end-of-args separator used by the
		269	sender.
521		270
522	=item on_add_lines $term, $string	271	=item on_add_lines $term, $string
523		272
524	Called whenever text is about to be output, with the text as argument. You	273	Called whenever text is about to be output, with the text as argument. You
525	can filter/change and output the text yourself by returning a true value	274	can filter/change and output the text yourself by returning a true value
…		…
530	=item on_tt_write $term, $octets	279	=item on_tt_write $term, $octets
531		280
532	Called whenever some data is written to the tty/pty and can be used to	281	Called whenever some data is written to the tty/pty and can be used to
533	suppress or filter tty input.	282	suppress or filter tty input.
534		283
		284	=item on_tt_paste $term, $octets
		285
		286	Called whenever text is about to be pasted, with the text as argument. You
		287	can filter/change and paste the text yourself by returning a true value
		288	and calling C<< $term->tt_paste >> yourself. C<$octets> is
		289	locale-encoded.
		290
535	=item on_line_update $term, $row	291	=item on_line_update $term, $row
536		292
537	Called whenever a line was updated or changed. Can be used to filter	293	Called whenever a line was updated or changed. Can be used to filter
538	screen output (e.g. underline urls or other useless stuff). Only lines	294	screen output (e.g. underline urls or other useless stuff). Only lines
539	that are being shown will be filtered, and, due to performance reasons,	295	that are being shown will be filtered, and, due to performance reasons,
…		…
546	later with the already-modified line (e.g. if unrelated parts change), so	302	later with the already-modified line (e.g. if unrelated parts change), so
547	you cannot just toggle rendition bits, but only set them.	303	you cannot just toggle rendition bits, but only set them.
548		304
549	=item on_refresh_begin $term	305	=item on_refresh_begin $term
550		306
551	Called just before the screen gets redrawn. Can be used for overlay	307	Called just before the screen gets redrawn. Can be used for overlay or
552	or similar effects by modify terminal contents in refresh_begin, and	308	similar effects by modifying the terminal contents in refresh_begin, and
553	restoring them in refresh_end. The built-in overlay and selection display	309	restoring them in refresh_end. The built-in overlay and selection display
554	code is run after this hook, and takes precedence.	310	code is run after this hook, and takes precedence.
555		311
556	=item on_refresh_end $term	312	=item on_refresh_end $term
557		313
558	Called just after the screen gets redrawn. See C<on_refresh_begin>.	314	Called just after the screen gets redrawn. See C<on_refresh_begin>.
559		315
		316	=item on_action $term, $string
		317
		318	Called whenever an action is invoked for the corresponding extension
		319	(e.g. via a C<extension:string> builtin action bound to a key, see
		320	description of the B<keysym> resource in the urxvt(1) manpage). The
		321	event is simply the action string. Note that an action event is always
		322	associated to a single extension.
		323
560	=item on_user_command $term, $string	324	=item on_user_command $term, $string *DEPRECATED*
561		325
562	Called whenever the a user-configured event is being activated (e.g. via	326	Called whenever a user-configured event is being activated (e.g. via
563	a C<perl:string> action bound to a key, see description of the B<keysym>	327	a C<perl:string> action bound to a key, see description of the B<keysym>
564	resource in the @@RXVT_NAME@@(1) manpage).	328	resource in the urxvt(1) manpage).
565		329
566	The event is simply the action string. This interface is assumed to change	330	The event is simply the action string. This interface is going away in
567	slightly in the future.	331	preference to the C<on_action> hook.
568		332
569	=item on_resize_all_windows $tern, $new_width, $new_height	333	=item on_resize_all_windows $term, $new_width, $new_height
570		334
571	Called just after the new window size has been calculcated, but before	335	Called just after the new window size has been calculated, but before
572	windows are actually being resized or hints are being set. If this hook	336	windows are actually being resized or hints are being set. If this hook
573	returns TRUE, setting of the window hints is being skipped.	337	returns a true value, setting of the window hints is being skipped.
574		338
575	=item on_x_event $term, $event	339	=item on_x_event $term, $event
576		340
577	Called on every X event received on the vt window (and possibly other	341	Called on every X event received on the vt window (and possibly other
578	windows). Should only be used as a last resort. Most event structure	342	windows). Should only be used as a last resort. Most event structure
579	members are not passed.	343	members are not passed.
580		344
		345	=item on_root_event $term, $event
		346
		347	Like C<on_x_event>, but is called for events on the root window.
		348
581	=item on_focus_in $term	349	=item on_focus_in $term
582		350
583	Called whenever the window gets the keyboard focus, before rxvt-unicode	351	Called whenever the window gets the keyboard focus, before rxvt-unicode
584	does focus in processing.	352	does focus in processing.
585		353
586	=item on_focus_out $term	354	=item on_focus_out $term
587		355
588	Called wheneever the window loses keyboard focus, before rxvt-unicode does	356	Called whenever the window loses keyboard focus, before rxvt-unicode does
589	focus out processing.	357	focus out processing.
590		358
591	=item on_configure_notify $term, $event	359	=item on_configure_notify $term, $event
592		360
593	=item on_property_notify $term, $event	361	=item on_property_notify $term, $event
…		…
604		372
605	=item on_map_notify $term, $event	373	=item on_map_notify $term, $event
606		374
607	=item on_unmap_notify $term, $event	375	=item on_unmap_notify $term, $event
608		376
609	Called whenever the corresponding X event is received for the terminal If	377	Called whenever the corresponding X event is received for the terminal. If
610	the hook returns true, then the even will be ignored by rxvt-unicode.	378	the hook returns true, then the event will be ignored by rxvt-unicode.
611		379
612	The event is a hash with most values as named by Xlib (see the XEvent	380	The event is a hash with most values as named by Xlib (see the XEvent
613	manpage), with the additional members C<row> and C<col>, which are the	381	manpage), with the additional members C<row> and C<col>, which are the
614	(real, not screen-based) row and column under the mouse cursor.	382	(real, not screen-based) row and column under the mouse cursor.
615		383
616	C<on_key_press> additionally receives the string rxvt-unicode would	384	C<on_key_press> additionally receives the string rxvt-unicode would
617	output, if any, in locale-specific encoding.	385	output, if any, in locale-specific encoding.
618		386
619	subwindow.
620
621	=item on_client_message $term, $event	387	=item on_client_message $term, $event
622		388
623	=item on_wm_protocols $term, $event	389	=item on_wm_protocols $term, $event
624		390
625	=item on_wm_delete_window $term, $event	391	=item on_wm_delete_window $term, $event
626		392
627	Called when various types of ClientMessage events are received (all with	393	Called when various types of ClientMessage events are received (all with
628	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).	394	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
629		395
		396	=item on_bell $term
		397
		398	Called on receipt of a bell character.
		399
630	=back	400	=back
631		401
632	=cut	402	=cut
633		403
634	package urxvt;	404	package urxvt;
635		405
636	use utf8;	406	use utf8;
637	use strict;	407	use strict 'vars';
638	use Carp ();	408	use Carp ();
639	use Scalar::Util ();	409	use Scalar::Util ();
640	use List::Util ();	410	use List::Util ();
641		411
642	our $VERSION = 1;	412	our $VERSION = 1;
643	our $TERM;	413	our $TERM;
644	our @TERM_INIT;	414	our @TERM_INIT; # should go, prevents async I/O etc.
645	our @TERM_EXT;	415	our @TERM_EXT; # should go, prevents async I/O etc.
646	our @HOOKNAME;	416	our @HOOKNAME;
647	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;	417	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
648	our %OPTION;	418	our %OPTION;
649		419
650	our $LIBDIR;	420	our $LIBDIR;
…		…
676	The current terminal. This variable stores the current C<urxvt::term>	446	The current terminal. This variable stores the current C<urxvt::term>
677	object, whenever a callback/hook is executing.	447	object, whenever a callback/hook is executing.
678		448
679	=item @urxvt::TERM_INIT	449	=item @urxvt::TERM_INIT
680		450
681	All coderefs in this array will be called as methods of the next newly	451	All code references in this array will be called as methods of the next newly
682	created C<urxvt::term> object (during the C<on_init> phase). The array	452	created C<urxvt::term> object (during the C<on_init> phase). The array
683	gets cleared before the codereferences that were in it are being executed,	453	gets cleared before the code references that were in it are being executed,
684	so coderefs can push themselves onto it again if they so desire.	454	so references can push themselves onto it again if they so desire.
685		455
686	This complements to the perl-eval commandline option, but gets executed	456	This complements to the perl-eval command line option, but gets executed
687	first.	457	first.
688		458
689	=item @urxvt::TERM_EXT	459	=item @urxvt::TERM_EXT
690		460
691	Works similar to C<@TERM_INIT>, but contains perl package/class names, which	461	Works similar to C<@TERM_INIT>, but contains perl package/class names, which
…		…
698		468
699	=over 4	469	=over 4
700		470
701	=item urxvt::fatal $errormessage	471	=item urxvt::fatal $errormessage
702		472
703	Fatally aborts execution with the given error message. Avoid at all	473	Fatally aborts execution with the given error message (which should
704	costs! The only time this is acceptable is when the terminal process	474	include a trailing newline). Avoid at all costs! The only time this
705	starts up.	475	is acceptable (and useful) is in the init hook, where it prevents the
		476	terminal from starting up.
706		477
707	=item urxvt::warn $string	478	=item urxvt::warn $string
708		479
709	Calls C<rxvt_warn> with the given string which should not include a	480	Calls C<rxvt_warn> with the given string which should include a trailing
710	newline. The module also overwrites the C<warn> builtin with a function	481	newline. The module also overwrites the C<warn> builtin with a function
711	that calls this function.	482	that calls this function.
712		483
713	Using this function has the advantage that its output ends up in the	484	Using this function has the advantage that its output ends up in the
714	correct place, e.g. on stderr of the connecting urxvtc client.	485	correct place, e.g. on stderr of the connecting urxvtc client.
…		…
716	Messages have a size limit of 1023 bytes currently.	487	Messages have a size limit of 1023 bytes currently.
717		488
718	=item @terms = urxvt::termlist	489	=item @terms = urxvt::termlist
719		490
720	Returns all urxvt::term objects that exist in this process, regardless of	491	Returns all urxvt::term objects that exist in this process, regardless of
721	wether they are started, being destroyed etc., so be careful. Only term	492	whether they are started, being destroyed etc., so be careful. Only term
722	objects that have perl extensions attached will be returned (because there	493	objects that have perl extensions attached will be returned (because there
723	is no urxvt::term objet associated with others).	494	is no urxvt::term object associated with others).
724		495
725	=item $time = urxvt::NOW	496	=item $time = urxvt::NOW
726		497
727	Returns the "current time" (as per the event loop).	498	Returns the "current time" (as per the event loop).
728		499
…		…
771		542
772	=item $rend = urxvt::OVERLAY_RSTYLE	543	=item $rend = urxvt::OVERLAY_RSTYLE
773		544
774	Return the rendition mask used for overlays by default.	545	Return the rendition mask used for overlays by default.
775		546
776	=item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline	547	=item $rendbit = urxvt::RS_Bold, urxvt::RS_Italic, urxvt::RS_Blink,
		548	urxvt::RS_RVid, urxvt::RS_Uline
777		549
778	Return the bit that enabled bold, italic, blink, reverse-video and	550	Return the bit that enabled bold, italic, blink, reverse-video and
779	underline, respectively. To enable such a style, just logically OR it into	551	underline, respectively. To enable such a style, just logically OR it into
780	the bitset.	552	the bitset.
781		553
…		…
818	};	590	};
819	}	591	}
820		592
821	no warnings 'utf8';	593	no warnings 'utf8';
822		594
		595	sub parse_resource {
		596	my ($term, $name, $isarg, $longopt, $flag, $value) = @_;
		597
		598	$term->scan_extensions;
		599
		600	my $r = $term->{meta}{resource};
		601	keys %$r; # reset iterator
		602	while (my ($k, $v) = each %$r) {
		603	my $pattern = $k;
		604	$pattern =~ y/./-/ if $isarg;
		605	my $prefix = $name;
		606	my $suffix;
		607	if ($pattern =~ /\-$/) {
		608	$prefix = substr $name, 0, length $pattern;
		609	$suffix = substr $name, length $pattern;
		610	}
		611	if ($pattern eq $prefix) {
		612	$name = "$urxvt::RESCLASS.$k$suffix";
		613
		614	push @{ $term->{perl_ext_3} }, $v->[0];
		615
		616	if ($v->[1] eq "boolean") {
		617	$term->put_option_db ($name, $flag ? "true" : "false");
		618	return 1;
		619	} else {
		620	$term->put_option_db ($name, $value);
		621	return 1 + 2;
		622	}
		623	}
		624	}
		625
		626	0
		627	}
		628
		629	sub usage {
		630	my ($term, $usage_type) = @_;
		631
		632	$term->scan_extensions;
		633
		634	my $r = $term->{meta}{resource};
		635
		636	for my $pattern (sort keys %$r) {
		637	my ($ext, $type, $desc) = @{ $r->{$pattern} };
		638
		639	$desc .= " (-pe $ext)";
		640
		641	if ($usage_type == 1) {
		642	$pattern =~ y/./-/;
		643	$pattern =~ s/-$/-.../g;
		644
		645	if ($type eq "boolean") {
		646	urxvt::log sprintf " -%-30s %s\n", "/+$pattern", $desc;
		647	} else {
		648	urxvt::log sprintf " -%-30s %s\n", "$pattern $type", $desc;
		649	}
		650	} else {
		651	$pattern =~ s/\.$/.*/g;
		652	urxvt::log sprintf " %-31s %s\n", "$pattern:", $type;
		653	}
		654	}
		655	}
		656
823	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};	657	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
824		658
825	sub verbose {	659	sub verbose {
826	my ($level, $msg) = @_;	660	my ($level, $msg) = @_;
827	warn "$msg\n" if $level <= $verbosity;	661	warn "$msg\n" if $level <= $verbosity;
…		…
839	$pkg =~ s/[^[:word:]]/_/g;	673	$pkg =~ s/[^[:word:]]/_/g;
840	$pkg = "urxvt::ext::$pkg";	674	$pkg = "urxvt::ext::$pkg";
841		675
842	verbose 3, "loading extension '$path' into package '$pkg'";	676	verbose 3, "loading extension '$path' into package '$pkg'";
843		677
		678	(${"$pkg\::_NAME"} = $path) =~ s/^.*[\\\/]//; # hackish
		679
844	open my $fh, "<:raw", $path	680	open my $fh, "<:raw", $path
845	or die "$path: $!";	681	or die "$path: $!";
846		682
847	my $source =	683	my $source =
848	"package $pkg; use strict; use utf8; no warnings 'utf8';\n"	684	"package $pkg; use strict 'vars'; use utf8; no warnings 'utf8';\n"
849	. "#line 1 \"$path\"\n{\n"	685	. "#line 1 \"$path\"\n{\n"
850	. (do { local $/; <$fh> })	686	. (do { local $/; <$fh> })
851	. "\n};\n1";	687	. "\n};\n1";
852		688
853	eval $source	689	eval $source
…		…
862	# called by the rxvt core	698	# called by the rxvt core
863	sub invoke {	699	sub invoke {
864	local $TERM = shift;	700	local $TERM = shift;
865	my $htype = shift;	701	my $htype = shift;
866		702
867	if ($htype == 0) { # INIT	703	if ($htype == HOOK_INIT) {
868	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");	704	my @dirs = $TERM->perl_libdirs;
869		705
		706	$TERM->scan_extensions;
		707
870	my %ext_arg;	708	my %ext_arg;
871		709
872	{	710	{
873	my @init = @TERM_INIT;	711	my @init = @TERM_INIT;
874	@TERM_INIT = ();	712	@TERM_INIT = ();
…		…
876	my @pkg = @TERM_EXT;	714	my @pkg = @TERM_EXT;
877	@TERM_EXT = ();	715	@TERM_EXT = ();
878	$TERM->register_package ($_) for @pkg;	716	$TERM->register_package ($_) for @pkg;
879	}	717	}
880		718
		719	for (
881	for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {	720	(grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2),
		721	@{ delete $TERM->{perl_ext_3} }
		722	) {
882	if ($_ eq "default") {	723	if ($_ eq "default") {
883	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline);	724
		725	$ext_arg{$_} = []
		726	for
		727	qw(selection option-popup selection-popup readline),
		728	map $_->[0], values %{ $TERM->{meta}{binding} };
		729
		730	for ($TERM->_keysym_resources) {
		731	next if /^(?:string|command|builtin|builtin-string|perl)/;
		732	next unless /^([A-Za-z0-9_\-]+):/;
		733
		734	my $ext = $1;
		735
		736	$ext_arg{$ext} = [];
		737	}
		738
884	} elsif (/^-(.*)$/) {	739	} elsif (/^-(.*)$/) {
885	delete $ext_arg{$1};	740	delete $ext_arg{$1};
		741
886	} elsif (/^([^<]+)<(.*)>$/) {	742	} elsif (/^([^<]+)<(.*)>$/) {
887	push @{ $ext_arg{$1} }, $2;	743	push @{ $ext_arg{$1} }, $2;
		744
888	} else {	745	} else {
889	$ext_arg{$_} ||= [];	746	$ext_arg{$_} ||= [];
		747	}
		748	}
		749
		750	# now register default key bindings
		751	for my $ext (sort keys %ext_arg) {
		752	while (my ($k, $v) = each %{ $TERM->{meta}{ext}{$ext}{binding} }) {
		753	$TERM->bind_action ($k, "$v->[0]:$v->[1]");
890	}	754	}
891	}	755	}
892		756
893	for my $ext (sort keys %ext_arg) {	757	for my $ext (sort keys %ext_arg) {
894	my @files = grep -f $_, map "$_/$ext", @dirs;	758	my @files = grep -f $_, map "$_/$ext", @dirs;
…		…
908		772
909	if (my $cb = $TERM->{_hook}[$htype]) {	773	if (my $cb = $TERM->{_hook}[$htype]) {
910	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"	774	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
911	if $verbosity >= 10;	775	if $verbosity >= 10;
912		776
		777	if ($htype == HOOK_ACTION) {
		778	# this hook is only sent to the extension with the name
		779	# matching the first arg
		780	my $pkg = shift;
		781	$pkg =~ y/-/_/;
		782	$pkg = "urxvt::ext::$pkg";
		783
		784	$cb = $cb->{$pkg}
		785	or return undef; #TODO: maybe warn user?
		786
		787	$cb = { $pkg => $cb };
		788	}
		789
913	for my $pkg (keys %$cb) {	790	for my $pkg (keys %$cb) {
914	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg}, @_) };	791	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg} || $TERM, @_) };
915	$retval ||= $retval_;	792	$retval ||= $retval_;
916		793
917	if ($@) {	794	if ($@) {
918	$TERM->ungrab; # better to lose the grab than the session	795	$TERM->ungrab; # better to lose the grab than the session
919	warn $@;	796	warn $@;
…		…
922		799
923	verbose 11, "$HOOKNAME[$htype] returning <$retval>"	800	verbose 11, "$HOOKNAME[$htype] returning <$retval>"
924	if $verbosity >= 11;	801	if $verbosity >= 11;
925	}	802	}
926		803
927	if ($htype == 1) { # DESTROY	804	if ($htype == HOOK_DESTROY) {
928	# clear package objects	805	# clear package objects
929	%$_ = () for values %{ $TERM->{_pkg} };	806	%$_ = () for values %{ $TERM->{_pkg} };
930		807
931	# clear package	808	# clear package
932	%$TERM = ();	809	%$TERM = ();
…		…
937		814
938	sub SET_COLOR($$$) {	815	sub SET_COLOR($$$) {
939	SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])	816	SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
940	}	817	}
941		818
942	# urxvt::term::extension	819	sub rend2mask {
		820	no strict 'refs';
		821	my ($str, $mask) = (@_, 0);
		822	my %color = ( fg => undef, bg => undef );
		823	my @failed;
		824	for my $spec ( split /\s+/, $str ) {
		825	if ( $spec =~ /^([fb]g)[_:-]?(\d+)/i ) {
		826	$color{lc($1)} = $2;
		827	} else {
		828	my $neg = $spec =~ s/^[-^]//;
		829	unless ( exists &{"RS_$spec"} ) {
		830	push @failed, $spec;
		831	next;
		832	}
		833	my $cur = &{"RS_$spec"};
		834	if ( $neg ) {
		835	$mask &= ~$cur;
		836	} else {
		837	$mask |= $cur;
		838	}
		839	}
		840	}
		841	($mask, @color{qw(fg bg)}, \@failed)
		842	}
943		843
944	package urxvt::term::extension;	844	package urxvt::term::extension;
945		845
946	sub enable {	846	=head2 The C<urxvt::term::extension> class
947	my ($self, %hook) = @_;
948	my $pkg = $self->{_pkg};
949		847
950	while (my ($name, $cb) = each %hook) {	848	Each extension attached to a terminal object is represented by
951	my $htype = $HOOKTYPE{uc $name};	849	a C<urxvt::term::extension> object.
952	defined $htype
953	or Carp::croak "unsupported hook type '$name'";
954		850
955	$self->set_should_invoke ($htype, +1)	851	You can use these objects, which are passed to all callbacks to store any
956	unless exists $self->{term}{_hook}[$htype]{$pkg};	852	state related to the terminal and extension instance.
957		853
958	$self->{term}{_hook}[$htype]{$pkg} = $cb;	854	The methods (And data members) documented below can be called on extension
959	}	855	objects, in addition to call methods documented for the <urxvt::term>
960	}	856	class.
961		857
962	sub disable {	858	=over 4
963	my ($self, @hook) = @_;
964	my $pkg = $self->{_pkg};
965		859
966	for my $name (@hook) {	860	=item $urxvt_term = $self->{term}
967	my $htype = $HOOKTYPE{uc $name};
968	defined $htype
969	or Carp::croak "unsupported hook type '$name'";
970		861
971	$self->set_should_invoke ($htype, -1)	862	Returns the C<urxvt::term> object associated with this instance of the
972	if delete $self->{term}{_hook}[$htype]{$pkg};	863	extension. This member I<must not> be changed in any way.
973	}	864
974	}	865	=cut
975		866
976	our $AUTOLOAD;	867	our $AUTOLOAD;
977		868
978	sub AUTOLOAD {	869	sub AUTOLOAD {
979	$AUTOLOAD =~ /:([^:]+)$/	870	$AUTOLOAD =~ /:([^:]+)$/
…		…
992		883
993	sub DESTROY {	884	sub DESTROY {
994	# nop	885	# nop
995	}	886	}
996		887
997	# urxvt::destroy_hook	888	# urxvt::destroy_hook (basically a cheap Guard:: implementation)
998		889
999	sub urxvt::destroy_hook::DESTROY {	890	sub urxvt::destroy_hook::DESTROY {
1000	${$_[0]}->();	891	${$_[0]}->();
1001	}	892	}
1002		893
1003	sub urxvt::destroy_hook(&) {	894	sub urxvt::destroy_hook(&) {
1004	bless \shift, urxvt::destroy_hook::	895	bless \shift, urxvt::destroy_hook::
1005	}	896	}
		897
		898	=item $self->enable ($hook_name => $cb[, $hook_name => $cb..])
		899
		900	Dynamically enable the given hooks (named without the C<on_> prefix) for
		901	this extension, replacing any hook previously installed via C<enable> in
		902	this extension.
		903
		904	This is useful when you want to overwrite time-critical hooks only
		905	temporarily.
		906
		907	To install additional callbacks for the same hook, you can use the C<on>
		908	method of the C<urxvt::term> class.
		909
		910	=item $self->disable ($hook_name[, $hook_name..])
		911
		912	Dynamically disable the given hooks.
		913
		914	=cut
		915
		916	sub enable {
		917	my ($self, %hook) = @_;
		918	my $pkg = $self->{_pkg};
		919
		920	while (my ($name, $cb) = each %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	unless exists $self->{term}{_hook}[$htype]{$pkg};
		927
		928	$self->{term}{_hook}[$htype]{$pkg} = $cb;
		929	}
		930	}
		931
		932	sub disable {
		933	my ($self, @hook) = @_;
		934	my $pkg = $self->{_pkg};
		935
		936	for my $name (@hook) {
		937	my $htype = $HOOKTYPE{uc $name};
		938	defined $htype
		939	or Carp::croak "unsupported hook type '$name'";
		940
		941	$self->set_should_invoke ($htype, -1)
		942	if delete $self->{term}{_hook}[$htype]{$pkg};
		943	}
		944	}
		945
		946	=item $guard = $self->on ($hook_name => $cb[, $hook_name => $cb..])
		947
		948	Similar to the C<enable> enable, but installs additional callbacks for
		949	the given hook(s) (that is, it doesn't replace existing callbacks), and
		950	returns a guard object. When the guard object is destroyed the callbacks
		951	are disabled again.
		952
		953	=cut
		954
		955	sub urxvt::extension::on_disable::DESTROY {
		956	my $disable = shift;
		957
		958	my $term = delete $disable->{""};
		959
		960	while (my ($htype, $id) = each %$disable) {
		961	delete $term->{_hook}[$htype]{$id};
		962	$term->set_should_invoke ($htype, -1);
		963	}
		964	}
		965
		966	sub on {
		967	my ($self, %hook) = @_;
		968
		969	my $term = $self->{term};
		970
		971	my %disable = ( "" => $term );
		972
		973	while (my ($name, $cb) = each %hook) {
		974	my $htype = $HOOKTYPE{uc $name};
		975	defined $htype
		976	or Carp::croak "unsupported hook type '$name'";
		977
		978	$term->set_should_invoke ($htype, +1);
		979	$term->{_hook}[$htype]{ $disable{$htype} = $cb+0 }
		980	= sub { shift; $cb->($self, @_) }; # very ugly indeed
		981	}
		982
		983	bless \%disable, "urxvt::extension::on_disable"
		984	}
		985
		986	=item $self->x_resource ($pattern)
		987
		988	=item $self->x_resource_boolean ($pattern)
		989
		990	These methods support an additional C<%> prefix when called on an
		991	extension object - see the description of these methods in the
		992	C<urxvt::term> class for details.
		993
		994	=cut
		995
		996	sub x_resource {
		997	my ($self, $name) = @_;
		998	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		999	$self->{term}->x_resource ($name)
		1000	}
		1001
		1002	sub x_resource_boolean {
		1003	my ($self, $name) = @_;
		1004	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		1005	$self->{term}->x_resource_boolean ($name)
		1006	}
		1007
		1008	=back
		1009
		1010	=cut
1006		1011
1007	package urxvt::anyevent;	1012	package urxvt::anyevent;
1008		1013
1009	=head2 The C<urxvt::anyevent> Class	1014	=head2 The C<urxvt::anyevent> Class
1010		1015
1011	The sole purpose of this class is to deliver an interface to the	1016	The sole purpose of this class is to deliver an interface to the
1012	C<AnyEvent> module - any module using it will work inside urxvt without	1017	C<AnyEvent> module - any module using it will work inside urxvt without
1013	further programming. The only exception is that you cannot wait on	1018	further programming. The only exception is that you cannot wait on
1014	condition variables, but non-blocking condvar use is ok. What this means	1019	condition variables, but non-blocking condvar use is ok.
1015	is that you cannot use blocking APIs, but the non-blocking variant should
1016	work.
1017		1020
1018	=cut	1021	In practical terms this means is that you cannot use blocking APIs, but
		1022	the non-blocking variant should work.
1019		1023
		1024	=cut
		1025
1020	our $VERSION = 1;	1026	our $VERSION = '5.23';
1021		1027
1022	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there	1028	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
1023	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];	1029	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
1024		1030
1025	sub timer {	1031	sub timer {
…		…
1027		1033
1028	my $cb = $arg{cb};	1034	my $cb = $arg{cb};
1029		1035
1030	urxvt::timer	1036	urxvt::timer
1031	->new	1037	->new
1032	->start (urxvt::NOW + $arg{after})	1038	->after ($arg{after}, $arg{interval})
1033	->cb (sub {	1039	->cb ($arg{interval} ? $cb : sub {
1034	$_[0]->stop; # need to cancel manually	1040	$_[0]->stop; # need to cancel manually
1035	$cb->();	1041	$cb->();
1036	})	1042	})
1037	}	1043	}
1038		1044
1039	sub io {	1045	sub io {
1040	my ($class, %arg) = @_;	1046	my ($class, %arg) = @_;
1041		1047
1042	my $cb = $arg{cb};	1048	my $cb = $arg{cb};
		1049	my $fd = fileno $arg{fh};
		1050	defined $fd or $fd = $arg{fh};
1043		1051
1044	bless [$arg{fh}, urxvt::iow	1052	bless [$arg{fh}, urxvt::iow
1045	->new	1053	->new
1046	->fd (fileno $arg{fh})	1054	->fd ($fd)
1047	->events (($arg{poll} =~ /r/ ? 1 : 0)	1055	->events (($arg{poll} =~ /r/ ? 1 : 0)
1048	| ($arg{poll} =~ /w/ ? 2 : 0))	1056	| ($arg{poll} =~ /w/ ? 2 : 0))
1049	->start	1057	->start
1050	->cb (sub {	1058	->cb ($cb)
1051	$cb->(($_[1] & 1 ? 'r' : '')
1052	. ($_[1] & 2 ? 'w' : ''));
1053	})],
1054	urxvt::anyevent::	1059	], urxvt::anyevent::
		1060	}
		1061
		1062	sub idle {
		1063	my ($class, %arg) = @_;
		1064
		1065	my $cb = $arg{cb};
		1066
		1067	urxvt::iw
		1068	->new
		1069	->start
		1070	->cb ($cb)
		1071	}
		1072
		1073	sub child {
		1074	my ($class, %arg) = @_;
		1075
		1076	my $cb = $arg{cb};
		1077
		1078	urxvt::pw
		1079	->new
		1080	->start ($arg{pid})
		1081	->cb (sub {
		1082	$_[0]->stop; # need to cancel manually
		1083	$cb->($_[0]->rpid, $_[0]->rstatus);
		1084	})
1055	}	1085	}
1056		1086
1057	sub DESTROY {	1087	sub DESTROY {
1058	$_[0][1]->stop;	1088	$_[0][1]->stop;
1059	}	1089	}
1060		1090
1061	sub condvar {	1091	# only needed for AnyEvent < 6 compatibility
1062	bless \my $flag, urxvt::anyevent::condvar::	1092	sub one_event {
1063	}
1064
1065	sub urxvt::anyevent::condvar::broadcast {
1066	${$_[0]}++;
1067	}
1068
1069	sub urxvt::anyevent::condvar::wait {
1070	unless (${$_[0]}) {
1071	Carp::croak "AnyEvent->condvar blocking wait unsupported in urxvt, use a non-blocking API";	1093	Carp::croak "AnyEvent->one_event blocking wait unsupported in urxvt, use a non-blocking API";
1072	}
1073	}	1094	}
1074		1095
1075	package urxvt::term;	1096	package urxvt::term;
1076		1097
1077	=head2 The C<urxvt::term> Class	1098	=head2 The C<urxvt::term> Class
…		…
1090	urxvt::verbose 6, "register package $pkg to $self";	1111	urxvt::verbose 6, "register package $pkg to $self";
1091		1112
1092	@{"$pkg\::ISA"} = urxvt::term::extension::;	1113	@{"$pkg\::ISA"} = urxvt::term::extension::;
1093		1114
1094	my $proxy = bless {	1115	my $proxy = bless {
1095	_pkg => $pkg,	1116	_pkg => $pkg,
		1117	_name => ${"$pkg\::_NAME"}, # hackish
1096	argv => $argv,	1118	argv => $argv,
1097	}, $pkg;	1119	}, $pkg;
1098	Scalar::Util::weaken ($proxy->{term} = $self);	1120	Scalar::Util::weaken ($proxy->{term} = $self);
1099		1121
1100	$self->{_pkg}{$pkg} = $proxy;	1122	$self->{_pkg}{$pkg} = $proxy;
1101		1123
…		…
1104	$proxy->enable ($name => $ref);	1126	$proxy->enable ($name => $ref);
1105	}	1127	}
1106	}	1128	}
1107	}	1129	}
1108		1130
		1131	sub perl_libdirs {
		1132	map { split /:/ }
		1133	$_[0]->resource ("perl_lib"),
		1134	$ENV{URXVT_PERL_LIB},
		1135	"$ENV{HOME}/.urxvt/ext",
		1136	"$LIBDIR/perl"
		1137	}
		1138
		1139	# scan for available extensions and collect their metadata
		1140	sub scan_extensions {
		1141	my ($self) = @_;
		1142
		1143	return if exists $self->{meta};
		1144
		1145	my @libdirs = perl_libdirs $self;
		1146
		1147	# return if $self->{meta_libdirs} eq join "\x00", @libdirs;#d#
		1148
		1149	# $self->{meta_libdirs} = join "\x00", @libdirs;#d#
		1150	$self->{meta} = \my %meta;
		1151
		1152	# first gather extensions
		1153	for my $dir (reverse @libdirs) {
		1154	opendir my $fh, $dir
		1155	or next;
		1156	for my $ext (readdir $fh) {
		1157	$ext !~ /^\./
		1158	and open my $fh, "<", "$dir/$ext"
		1159	or next;
		1160
		1161	my %ext = (dir => $dir);
		1162
		1163	while (<$fh>) {
		1164	if (/^#:META:(?:X_)?RESOURCE:(.*)/) {
		1165	my ($pattern, $type, $desc) = split /:/, $1;
		1166	$pattern =~ s/^%(\.|$)/$ext$1/g; # % in pattern == extension name
		1167	if ($pattern =~ /[^a-zA-Z0-9\-\.]/) {
		1168	warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n";
		1169	} else {
		1170	$ext{resource}{$pattern} = [$ext, $type, $desc];
		1171	}
		1172	} elsif (/^#:META:BINDING:(.*)/) {
		1173	my ($keysym, $action) = split /:/, $1;
		1174	$ext{binding}{$keysym} = [$ext, $action];
		1175	} elsif (/^\s*(?:#|$)/) {
		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	# and now merge resources and bindings
		1187	while (my ($k, $v) = each %{ $meta{ext} }) {
		1188	#TODO: should check for extensions overriding each other
		1189	%{ $meta{resource} } = (%{ $meta{resource} }, %{ $v->{resource} });
		1190	%{ $meta{binding} } = (%{ $meta{binding} }, %{ $v->{binding} });
		1191	}
		1192	}
		1193
1109	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]	1194	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
1110		1195
1111	Creates a new terminal, very similar as if you had started it with system	1196	Creates a new terminal, very similar as if you had started it with system
1112	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like	1197	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
1113	hash which defines the environment of the new terminal.	1198	hash which defines the environment of the new terminal.
…		…
1130	}	1215	}
1131		1216
1132	=item $term->destroy	1217	=item $term->destroy
1133		1218
1134	Destroy the terminal object (close the window, free resources	1219	Destroy the terminal object (close the window, free resources
1135	etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event	1220	etc.). Please note that urxvt will not exit as long as any event
1136	watchers (timers, io watchers) are still active.	1221	watchers (timers, io watchers) are still active.
1137		1222
1138	=item $term->exec_async ($cmd[, @args])	1223	=item $term->exec_async ($cmd[, @args])
1139		1224
1140	Works like the combination of the C<fork>/C<exec> builtins, which executes	1225	Works like the combination of the C<fork>/C<exec> builtins, which executes
…		…
1164		1249
1165	Returns true if the option specified by C<$optval> is enabled, and	1250	Returns true if the option specified by C<$optval> is enabled, and
1166	optionally change it. All option values are stored by name in the hash	1251	optionally change it. All option values are stored by name in the hash
1167	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.	1252	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
1168		1253
1169	Here is a a likely non-exhaustive list of option names, please see the	1254	Here is a likely non-exhaustive list of option names, please see the
1170	source file F</src/optinc.h> to see the actual list:	1255	source file F</src/optinc.h> to see the actual list:
1171		1256
1172	borderLess console cursorBlink cursorUnderline hold iconic insecure	1257	borderLess buffered console cursorBlink cursorUnderline hold iconic
1173	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage	1258	insecure intensityStyles iso14755 iso14755_52 jumpScroll loginShell
1174	override-redirect pastableTabs pointerBlank reverseVideo scrollBar	1259	mapAlert meta8 mouseWheelScrollPage override_redirect pastableTabs
1175	scrollBar_floating scrollBar_right scrollTtyKeypress scrollTtyOutput	1260	pointerBlank reverseVideo scrollBar scrollBar_floating scrollBar_right
1176	scrollWithBuffer secondaryScreen secondaryScroll skipBuiltinGlyphs	1261	scrollTtyKeypress scrollTtyOutput scrollWithBuffer secondaryScreen
1177	transparent tripleclickwords utmpInhibit visualBell	1262	secondaryScroll skipBuiltinGlyphs skipScroll transparent tripleclickwords
		1263	urgentOnBell utmpInhibit visualBell
1178		1264
1179	=item $value = $term->resource ($name[, $newval])	1265	=item $value = $term->resource ($name[, $newval])
1180		1266
1181	Returns the current resource value associated with a given name and	1267	Returns the current resource value associated with a given name and
1182	optionally sets a new value. Setting values is most useful in the C<init>	1268	optionally sets a new value. Setting values is most useful in the C<init>
…		…
1191	likely change).	1277	likely change).
1192		1278
1193	Please note that resource strings will currently only be freed when the	1279	Please note that resource strings will currently only be freed when the
1194	terminal is destroyed, so changing options frequently will eat memory.	1280	terminal is destroyed, so changing options frequently will eat memory.
1195		1281
1196	Here is a a likely non-exhaustive list of resource names, not all of which	1282	Here is a likely non-exhaustive list of resource names, not all of which
1197	are supported in every build, please see the source file F</src/rsinc.h>	1283	are supported in every build, please see the source file F</src/rsinc.h>
1198	to see the actual list:	1284	to see the actual list:
1199		1285
1200	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont	1286	answerbackstring backgroundPixmap backspace_key blurradius
1201	borderLess color cursorBlink cursorUnderline cutchars delete_key	1287	boldFont boldItalicFont borderLess buffered chdir color cursorBlink
1202	display_name embed ext_bwidth fade font geometry hold iconName	1288	cursorUnderline cutchars delete_key depth display_name embed ext_bwidth
1203	imFont imLocale inputMethod insecure int_bwidth intensityStyles	1289	fade font geometry hold iconName iconfile imFont imLocale inputMethod
		1290	insecure int_bwidth intensityStyles iso14755 iso14755_52 italicFont
1204	italicFont jumpScroll lineSpace loginShell mapAlert meta8 modifier	1291	jumpScroll letterSpace lineSpace loginShell mapAlert meta8 modifier
1205	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval	1292	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
1206	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay	1293	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
1207	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar	1294	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
1208	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness	1295	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
1209	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle	1296	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
1210	secondaryScreen secondaryScroll selectstyle shade term_name title	1297	secondaryScreen secondaryScroll shade skipBuiltinGlyphs skipScroll
1211	transient_for transparent transparent_all tripleclickwords utmpInhibit	1298	term_name title transient_for transparent tripleclickwords urgentOnBell
1212	visualBell	1299	utmpInhibit visualBell
1213		1300
1214	=cut	1301	=cut
1215		1302
1216	sub resource($$;$) {	1303	sub resource($$;$) {
1217	my ($self, $name) = (shift, shift);	1304	my ($self, $name) = (shift, shift);
1218	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);	1305	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
1219	&urxvt::term::_resource	1306	goto &urxvt::term::_resource
1220	}	1307	}
1221		1308
1222	=item $value = $term->x_resource ($pattern)	1309	=item $value = $term->x_resource ($pattern)
1223		1310
1224	Returns the X-Resource for the given pattern, excluding the program or	1311	Returns the X-Resource for the given pattern, excluding the program or
1225	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the	1312	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
1226	same value as used by this instance of rxvt-unicode. Returns C<undef> if no	1313	same value as used by this instance of rxvt-unicode. Returns C<undef> if no
1227	resource with that pattern exists.	1314	resource with that pattern exists.
1228		1315
		1316	Extensions that define extra resources also need to call this method
		1317	to access their values.
		1318
		1319	If the method is called on an extension object (basically, from an
		1320	extension), then the special prefix C<%.> will be replaced by the name of
		1321	the extension and a dot, and the lone string C<%> will be replaced by the
		1322	extension name itself. This makes it possible to code extensions so you
		1323	can rename them and get a new set of resources without having to change
		1324	the actual code.
		1325
1229	This method should only be called during the C<on_start> hook, as there is	1326	This method should only be called during the C<on_start> hook, as there is
1230	only one resource database per display, and later invocations might return	1327	only one resource database per display, and later invocations might return
1231	the wrong resources.	1328	the wrong resources.
1232		1329
1233	=item $success = $term->parse_keysym ($keysym_spec, $command_string)	1330	=item $value = $term->x_resource_boolean ($pattern)
1234		1331
		1332	Like C<x_resource>, above, but interprets the string value as a boolean
		1333	and returns C<1> for true values, C<0> for false values and C<undef> if
		1334	the resource or option isn't specified.
		1335
		1336	You should always use this method to parse boolean resources.
		1337
		1338	=cut
		1339
		1340	sub x_resource_boolean {
		1341	my $res = &x_resource;
		1342
		1343	$res =~ /^\s*(?:true|yes|on|1)\s*$/i ? 1 : defined $res && 0
		1344	}
		1345
		1346	=item $success = $term->bind_action ($key, $octets)
		1347
1235	Adds a keymap translation exactly as specified via a resource. See the	1348	Adds a key binding exactly as specified via a C<keysym> resource. See the
1236	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.	1349	C<keysym> resource in the urxvt(1) manpage.
1237		1350
1238	=item $rend = $term->rstyle ([$new_rstyle])	1351	=item $rend = $term->rstyle ([$new_rstyle])
1239		1352
1240	Return and optionally change the current rendition. Text that is output by	1353	Return and optionally change the current rendition. Text that is output by
1241	the terminal application will use this style.	1354	the terminal application will use this style.
…		…
1249		1362
1250	=item ($row, $col) = $term->selection_beg ([$row, $col])	1363	=item ($row, $col) = $term->selection_beg ([$row, $col])
1251		1364
1252	=item ($row, $col) = $term->selection_end ([$row, $col])	1365	=item ($row, $col) = $term->selection_end ([$row, $col])
1253		1366
1254	Return the current values of the selection mark, begin or end positions,	1367	Return the current values of the selection mark, begin or end positions.
1255	and optionally set them to new values.	1368
		1369	When arguments are given, then the selection coordinates are set to
		1370	C<$row> and C<$col>, and the selection screen is set to the current
		1371	screen.
		1372
		1373	=item $screen = $term->selection_screen ([$screen])
		1374
		1375	Returns the current selection screen, and then optionally sets it.
1256		1376
1257	=item $term->selection_make ($eventtime[, $rectangular])	1377	=item $term->selection_make ($eventtime[, $rectangular])
1258		1378
1259	Tries to make a selection as set by C<selection_beg> and	1379	Tries to make a selection as set by C<selection_beg> and
1260	C<selection_end>. If C<$rectangular> is true (default: false), a	1380	C<selection_end>. If C<$rectangular> is true (default: false), a
1261	rectangular selection will be made. This is the prefered function to make	1381	rectangular selection will be made. This is the preferred function to make
1262	a selection.	1382	a selection.
1263		1383
1264	=item $success = $term->selection_grab ($eventtime)	1384	=item $success = $term->selection_grab ($eventtime[, $clipboard])
1265		1385
1266	Try to request the primary selection text from the server (for example, as	1386	Try to acquire ownership of the primary (clipboard if C<$clipboard> is
		1387	true) selection from the server. The corresponding text can be set
1267	set by the next method). No visual feedback will be given. This function	1388	with the next method. No visual feedback will be given. This function
1268	is mostly useful from within C<on_sel_grab> hooks.	1389	is mostly useful from within C<on_sel_grab> hooks.
1269		1390
1270	=item $oldtext = $term->selection ([$newtext])	1391	=item $oldtext = $term->selection ([$newtext, $clipboard])
1271		1392
1272	Return the current selection text and optionally replace it by C<$newtext>.	1393	Return the current selection (clipboard if C<$clipboard> is true) text
		1394	and optionally replace it by C<$newtext>.
		1395
		1396	=item $term->selection_clear ([$clipboard])
		1397
		1398	Revoke ownership of the primary (clipboard if C<$clipboard> is true) selection.
1273		1399
1274	=item $term->overlay_simple ($x, $y, $text)	1400	=item $term->overlay_simple ($x, $y, $text)
1275		1401
1276	Create a simple multi-line overlay box. See the next method for details.	1402	Create a simple multi-line overlay box. See the next method for details.
1277		1403
…		…
1307		1433
1308	The methods currently supported on C<urxvt::overlay> objects are:	1434	The methods currently supported on C<urxvt::overlay> objects are:
1309		1435
1310	=over 4	1436	=over 4
1311		1437
1312	=item $overlay->set ($x, $y, $text, $rend)	1438	=item $overlay->set ($x, $y, $text[, $rend])
1313		1439
1314	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts	1440	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts
1315	text in rxvt-unicode's special encoding and an array of rendition values	1441	text in rxvt-unicode's special encoding and an array of rendition values
1316	at a specific position inside the overlay.	1442	at a specific position inside the overlay.
		1443
		1444	If C<$rend> is missing, then the rendition will not be changed.
1317		1445
1318	=item $overlay->hide	1446	=item $overlay->hide
1319		1447
1320	If visible, hide the overlay, but do not destroy it.	1448	If visible, hide the overlay, but do not destroy it.
1321		1449
…		…
1403	locale-specific encoding of the terminal and can contain command sequences	1531	locale-specific encoding of the terminal and can contain command sequences
1404	(escape codes) that will be interpreted.	1532	(escape codes) that will be interpreted.
1405		1533
1406	=item $term->tt_write ($octets)	1534	=item $term->tt_write ($octets)
1407		1535
1408	Write the octets given in C<$data> to the tty (i.e. as program input). To	1536	Write the octets given in C<$octets> to the tty (i.e. as program input). To
1409	pass characters instead of octets, you should convert your strings first	1537	pass characters instead of octets, you should convert your strings first
1410	to the locale-specific encoding using C<< $term->locale_encode >>.	1538	to the locale-specific encoding using C<< $term->locale_encode >>.
		1539
		1540	=item $term->tt_write_user_input ($octets)
		1541
		1542	Like C<tt_write>, but should be used when writing strings in response to
		1543	the user pressing a key, to invoke the additional actions requested by
		1544	the user for that case (C<tt_write> doesn't do that).
		1545
		1546	The typical use case would be inside C<on_action> hooks.
		1547
		1548	=item $term->tt_paste ($octets)
		1549
		1550	Write the octets given in C<$octets> to the tty as a paste, converting NL to
		1551	CR and bracketing the data with control sequences if bracketed paste mode
		1552	is set.
1411		1553
1412	=item $old_events = $term->pty_ev_events ([$new_events])	1554	=item $old_events = $term->pty_ev_events ([$new_events])
1413		1555
1414	Replaces the event mask of the pty watcher by the given event mask. Can	1556	Replaces the event mask of the pty watcher by the given event mask. Can
1415	be used to suppress input and output handling to the pty/tty. See the	1557	be used to suppress input and output handling to the pty/tty. See the
…		…
1434	Adds the specified events to the vt event mask. Useful e.g. when you want	1576	Adds the specified events to the vt event mask. Useful e.g. when you want
1435	to receive pointer events all the times:	1577	to receive pointer events all the times:
1436		1578
1437	$term->vt_emask_add (urxvt::PointerMotionMask);	1579	$term->vt_emask_add (urxvt::PointerMotionMask);
1438		1580
		1581	=item $term->set_urgency ($set)
		1582
		1583	Enable/disable the urgency hint on the toplevel window.
		1584
1439	=item $term->focus_in	1585	=item $term->focus_in
1440		1586
1441	=item $term->focus_out	1587	=item $term->focus_out
1442		1588
1443	=item $term->key_press ($state, $keycode[, $time])	1589	=item $term->key_press ($state, $keycode[, $time])
…		…
1513		1659
1514	Returns the currently displayed screen (0 primary, 1 secondary).	1660	Returns the currently displayed screen (0 primary, 1 secondary).
1515		1661
1516	=item $cursor_is_hidden = $term->hidden_cursor	1662	=item $cursor_is_hidden = $term->hidden_cursor
1517		1663
1518	Returns wether the cursor is currently hidden or not.	1664	Returns whether the cursor is currently hidden or not.
1519		1665
1520	=item $view_start = $term->view_start ([$newvalue])	1666	=item $view_start = $term->view_start ([$newvalue])
1521		1667
1522	Returns the row number of the topmost displayed line. Maximum value is	1668	Returns the row number of the topmost displayed line. Maximum value is
1523	C<0>, which displays the normal terminal contents. Lower values scroll	1669	C<0>, which displays the normal terminal contents. Lower values scroll
…		…
1531		1677
1532	Used after changing terminal contents to display them.	1678	Used after changing terminal contents to display them.
1533		1679
1534	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])	1680	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
1535		1681
1536	Returns the text of the entire row with number C<$row_number>. Row C<0>	1682	Returns the text of the entire row with number C<$row_number>. Row C<< $term->top_row >>
1537	is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost	1683	is the topmost terminal line, row C<< $term->nrow-1 >> is the bottommost
1538	terminal line. The scrollback buffer starts at line C<-1> and extends to
1539	line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line	1684	terminal line. Nothing will be returned if a nonexistent line
1540	is requested.	1685	is requested.
1541		1686
1542	If C<$new_text> is specified, it will replace characters in the current	1687	If C<$new_text> is specified, it will replace characters in the current
1543	line, starting at column C<$start_col> (default C<0>), which is useful	1688	line, starting at column C<$start_col> (default C<0>), which is useful
1544	to replace only parts of a line. The font index in the rendition will	1689	to replace only parts of a line. The font index in the rendition will
1545	automatically be updated.	1690	automatically be updated.
1546		1691
1547	C<$text> is in a special encoding: tabs and wide characters that use more	1692	C<$text> is in a special encoding: tabs and wide characters that use more
1548	than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)	1693	than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
1549	characters. Characters with combining characters and other characters that	1694	characters. Characters with combining characters and other characters that
1550	do not fit into the normal tetx encoding will be replaced with characters	1695	do not fit into the normal text encoding will be replaced with characters
1551	in the private use area.	1696	in the private use area.
1552		1697
1553	You have to obey this encoding when changing text. The advantage is	1698	You have to obey this encoding when changing text. The advantage is
1554	that C<substr> and similar functions work on screen cells and not on	1699	that C<substr> and similar functions work on screen cells and not on
1555	characters.	1700	characters.
…		…
1640	}	1785	}
1641		1786
1642	sub urxvt::line::t {	1787	sub urxvt::line::t {
1643	my ($self) = @_;	1788	my ($self) = @_;
1644		1789
1645	if (@_ > 1)	1790	if (@_ > 1) {
1646	{
1647	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1791	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1648	for $self->{beg} .. $self->{end};	1792	for $self->{beg} .. $self->{end};
1649	}	1793	}
1650		1794
1651	defined wantarray &&	1795	defined wantarray &&
1652	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),	1796	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),
1653	0, $self->{len}	1797	0, $self->{len}
1654	}	1798	}
1655		1799
1656	sub urxvt::line::r {	1800	sub urxvt::line::r {
1657	my ($self) = @_;	1801	my ($self) = @_;
1658		1802
1659	if (@_ > 1)	1803	if (@_ > 1) {
1660	{
1661	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1804	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1662	for $self->{beg} .. $self->{end};	1805	for $self->{beg} .. $self->{end};
1663	}	1806	}
1664		1807
1665	if (defined wantarray) {	1808	if (defined wantarray) {
1666	my $rend = [	1809	my $rend = [
1667	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}	1810	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}
1668	];	1811	];
…		…
1700	where one character corresponds to one screen cell. See	1843	where one character corresponds to one screen cell. See
1701	C<< $term->ROW_t >> for details.	1844	C<< $term->ROW_t >> for details.
1702		1845
1703	=item $string = $term->special_decode $text	1846	=item $string = $term->special_decode $text
1704		1847
1705	Converts rxvt-unicodes text reprsentation into a perl string. See	1848	Converts rxvt-unicodes text representation into a perl string. See
1706	C<< $term->ROW_t >> for details.	1849	C<< $term->ROW_t >> for details.
1707		1850
1708	=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])	1851	=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
1709		1852
1710	=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])	1853	=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
…		…
1713	manpage.	1856	manpage.
1714		1857
1715	=item $success = $term->grab ($eventtime[, $sync])	1858	=item $success = $term->grab ($eventtime[, $sync])
1716		1859
1717	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or	1860	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1718	synchronous (C<$sync> is true). Also remembers the grab timestampe.	1861	synchronous (C<$sync> is true). Also remembers the grab timestamp.
1719		1862
1720	=item $term->allow_events_async	1863	=item $term->allow_events_async
1721		1864
1722	Calls XAllowEvents with AsyncBoth for the most recent grab.	1865	Calls XAllowEvents with AsyncBoth for the most recent grab.
1723		1866
…		…
1730	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most	1873	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
1731	recent grab.	1874	recent grab.
1732		1875
1733	=item $term->ungrab	1876	=item $term->ungrab
1734		1877
1735	Calls XUngrab for the most recent grab. Is called automatically on	1878	Calls XUngrabPointer and XUngrabKeyboard for the most recent grab. Is called automatically on
1736	evaluation errors, as it is better to lose the grab in the error case as	1879	evaluation errors, as it is better to lose the grab in the error case as
1737	the session.	1880	the session.
1738		1881
1739	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])	1882	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
1740		1883
…		…
1742		1885
1743	=item @atoms = $term->XListProperties ($window)	1886	=item @atoms = $term->XListProperties ($window)
1744		1887
1745	=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)	1888	=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
1746		1889
1747	=item $term->XChangeWindowProperty ($window, $property, $type, $format, $octets)	1890	=item $term->XChangeProperty ($window, $property, $type, $format, $octets)
1748		1891
1749	=item $term->XDeleteProperty ($window, $property)	1892	=item $term->XDeleteProperty ($window, $property)
1750		1893
1751	=item $window = $term->DefaultRootWindow	1894	=item $window = $term->DefaultRootWindow
1752		1895
…		…
1759	=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)	1902	=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
1760		1903
1761	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)	1904	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
1762		1905
1763	=item $term->XChangeInput ($window, $add_events[, $del_events])	1906	=item $term->XChangeInput ($window, $add_events[, $del_events])
		1907
		1908	=item $keysym = $term->XStringToKeysym ($string)
		1909
		1910	=item $string = $term->XKeysymToString ($keysym)
1764		1911
1765	Various X or X-related functions. The C<$term> object only serves as	1912	Various X or X-related functions. The C<$term> object only serves as
1766	the source of the display, otherwise those functions map more-or-less	1913	the source of the display, otherwise those functions map more-or-less
1767	directory onto the X functions of the same name.	1914	directly onto the X functions of the same name.
1768		1915
1769	=back	1916	=back
1770		1917
1771	=cut	1918	=cut
1772		1919
…		…
1874	my $env = $self->{term}->env;	2021	my $env = $self->{term}->env;
1875	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.	2022	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
1876	delete $env->{LC_ALL};	2023	delete $env->{LC_ALL};
1877	$env->{LC_CTYPE} = $self->{term}->locale;	2024	$env->{LC_CTYPE} = $self->{term}->locale;
1878		2025
1879	urxvt::term->new ($env, "popup",	2026	my $term = urxvt::term->new (
		2027	$env, "popup",
1880	"--perl-lib" => "", "--perl-ext-common" => "",	2028	"--perl-lib" => "", "--perl-ext-common" => "",
1881	"-pty-fd" => -1, "-sl" => 0,	2029	"-pty-fd" => -1, "-sl" => 0,
1882	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",	2030	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1883	"--transient-for" => $self->{term}->parent,	2031	"--transient-for" => $self->{term}->parent,
1884	"-display" => $self->{term}->display_id,	2032	"-display" => $self->{term}->display_id,
1885	"-pe" => "urxvt-popup")	2033	"-pe" => "urxvt-popup",
1886	or die "unable to create popup window\n";	2034	) or die "unable to create popup window\n";
		2035
		2036	unless (delete $term->{urxvt_popup_init_done}) {
		2037	$term->ungrab;
		2038	$term->destroy;
		2039	die "unable to initialise popup window\n";
		2040	}
1887	}	2041	}
1888		2042
1889	sub DESTROY {	2043	sub DESTROY {
1890	my ($self) = @_;	2044	my ($self) = @_;
1891		2045
…		…
1896	=back	2050	=back
1897		2051
1898	=cut	2052	=cut
1899		2053
1900	package urxvt::watcher;	2054	package urxvt::watcher;
1901
1902	@urxvt::timer::ISA = __PACKAGE__;
1903	@urxvt::iow::ISA = __PACKAGE__;
1904	@urxvt::pw::ISA = __PACKAGE__;
1905	@urxvt::iw::ISA = __PACKAGE__;
1906		2055
1907	=head2 The C<urxvt::timer> Class	2056	=head2 The C<urxvt::timer> Class
1908		2057
1909	This class implements timer watchers/events. Time is represented as a	2058	This class implements timer watchers/events. Time is represented as a
1910	fractional number of seconds since the epoch. Example:	2059	fractional number of seconds since the epoch. Example:
…		…
1914	->new	2063	->new
1915	->interval (1)	2064	->interval (1)
1916	->cb (sub {	2065	->cb (sub {
1917	$term->{overlay}->set (0, 0,	2066	$term->{overlay}->set (0, 0,
1918	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);	2067	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
1919	});	2068	});
1920		2069
1921	=over 4	2070	=over 4
1922		2071
1923	=item $timer = new urxvt::timer	2072	=item $timer = new urxvt::timer
1924		2073
…		…
1927		2076
1928	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })	2077	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })
1929		2078
1930	Set the callback to be called when the timer triggers.	2079	Set the callback to be called when the timer triggers.
1931		2080
1932	=item $tstamp = $timer->at
1933
1934	Return the time this watcher will fire next.
1935
1936	=item $timer = $timer->set ($tstamp)	2081	=item $timer = $timer->set ($tstamp[, $interval])
1937		2082
1938	Set the time the event is generated to $tstamp.	2083	Set the time the event is generated to $tstamp (and optionally specifies a
		2084	new $interval).
1939		2085
1940	=item $timer = $timer->interval ($interval)	2086	=item $timer = $timer->interval ($interval)
1941		2087
1942	Normally (and when C<$interval> is C<0>), the timer will automatically	2088	By default (and when C<$interval> is C<0>), the timer will automatically
1943	stop after it has fired once. If C<$interval> is non-zero, then the timer	2089	stop after it has fired once. If C<$interval> is non-zero, then the timer
1944	is automatically rescheduled at the given intervals.	2090	is automatically rescheduled at the given intervals.
1945		2091
1946	=item $timer = $timer->start	2092	=item $timer = $timer->start
1947		2093
1948	Start the timer.	2094	Start the timer.
1949		2095
1950	=item $timer = $timer->start ($tstamp)	2096	=item $timer = $timer->start ($tstamp[, $interval])
1951		2097
1952	Set the event trigger time to C<$tstamp> and start the timer.	2098	Set the event trigger time to C<$tstamp> and start the timer. Optionally
		2099	also replaces the interval.
1953		2100
1954	=item $timer = $timer->after ($delay)	2101	=item $timer = $timer->after ($delay[, $interval])
1955		2102
1956	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.	2103	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1957		2104
1958	=item $timer = $timer->stop	2105	=item $timer = $timer->stop
1959		2106
…		…
1967		2114
1968	$term->{socket} = ...	2115	$term->{socket} = ...
1969	$term->{iow} = urxvt::iow	2116	$term->{iow} = urxvt::iow
1970	->new	2117	->new
1971	->fd (fileno $term->{socket})	2118	->fd (fileno $term->{socket})
1972	->events (urxvt::EVENT_READ)	2119	->events (urxvt::EV_READ)
1973	->start	2120	->start
1974	->cb (sub {	2121	->cb (sub {
1975	my ($iow, $revents) = @_;	2122	my ($iow, $revents) = @_;
1976	# $revents must be 1 here, no need to check	2123	# $revents must be 1 here, no need to check
1977	sysread $term->{socket}, my $buf, 8192	2124	sysread $term->{socket}, my $buf, 8192
…		…
1990	Set the callback to be called when io events are triggered. C<$reventmask>	2137	Set the callback to be called when io events are triggered. C<$reventmask>
1991	is a bitset as described in the C<events> method.	2138	is a bitset as described in the C<events> method.
1992		2139
1993	=item $iow = $iow->fd ($fd)	2140	=item $iow = $iow->fd ($fd)
1994		2141
1995	Set the filedescriptor (not handle) to watch.	2142	Set the file descriptor (not handle) to watch.
1996		2143
1997	=item $iow = $iow->events ($eventmask)	2144	=item $iow = $iow->events ($eventmask)
1998		2145
1999	Set the event mask to watch. The only allowed values are	2146	Set the event mask to watch. The only allowed values are
2000	C<urxvt::EVENT_READ> and C<urxvt::EVENT_WRITE>, which might be ORed	2147	C<urxvt::EV_READ> and C<urxvt::EV_WRITE>, which might be ORed
2001	together, or C<urxvt::EVENT_NONE>.	2148	together, or C<urxvt::EV_NONE>.
2002		2149
2003	=item $iow = $iow->start	2150	=item $iow = $iow->start
2004		2151
2005	Start watching for requested events on the given handle.	2152	Start watching for requested events on the given handle.
2006		2153
2007	=item $iow = $iow->stop	2154	=item $iow = $iow->stop
2008		2155
2009	Stop watching for events on the given filehandle.	2156	Stop watching for events on the given file handle.
2010		2157
2011	=back	2158	=back
2012		2159
2013	=head2 The C<urxvt::iw> Class	2160	=head2 The C<urxvt::iw> Class
2014		2161
…		…
2047	->new	2194	->new
2048	->start ($pid)	2195	->start ($pid)
2049	->cb (sub {	2196	->cb (sub {
2050	my ($pw, $exit_status) = @_;	2197	my ($pw, $exit_status) = @_;
2051	...	2198	...
2052	});	2199	});
2053		2200
2054	=over 4	2201	=over 4
2055		2202
2056	=item $pw = new urxvt::pw	2203	=item $pw = new urxvt::pw
2057		2204
…		…
2061		2208
2062	Set the callback to be called when the timer triggers.	2209	Set the callback to be called when the timer triggers.
2063		2210
2064	=item $pw = $timer->start ($pid)	2211	=item $pw = $timer->start ($pid)
2065		2212
2066	Tells the wqtcher to start watching for process C<$pid>.	2213	Tells the watcher to start watching for process C<$pid>.
2067		2214
2068	=item $pw = $pw->stop	2215	=item $pw = $pw->stop
2069		2216
2070	Stop the watcher.	2217	Stop the watcher.
2071		2218
…		…
2084		2231
2085	=item >= 3 - script loading and management	2232	=item >= 3 - script loading and management
2086		2233
2087	=item >=10 - all called hooks	2234	=item >=10 - all called hooks
2088		2235
2089	=item >=11 - hook reutrn values	2236	=item >=11 - hook return values
2090		2237
2091	=back	2238	=back
2092		2239
2093	=head1 AUTHOR	2240	=head1 AUTHOR
2094		2241
2095	Marc Lehmann <pcg@goof.com>	2242	Marc Lehmann <schmorp@schmorp.de>
2096	http://software.schmorp.de/pkg/rxvt-unicode	2243	http://software.schmorp.de/pkg/rxvt-unicode
2097		2244
2098	=cut	2245	=cut
2099		2246
2100	1	2247	1
		2248
		2249	# vim: sw=3:

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