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Revision 1.110 by root, Thu Jan 19 16:22:13 2006 UTC vs.
Revision 1.269 by root, Sun Nov 21 15:15:02 2021 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 some directory:
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 instance using it:
17		17
18	@@RXVT_NAME@@ --perl-lib $HOME -pe grab_test	18	urxvt --perl-lib path/to/somedirectory -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 qw(vars subs)' and 'use utf8'
26	thus must be encoded as UTF-8.	26	environment, and 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	=over 4	44	Or by adding them to the resource for extensions loaded by default:
41		45
42	=item selection (enabled by default)	46	URxvt.perl-ext-common: default,selection-autotransform
43		47
44	(More) intelligent selection. This extension tries to be more intelligent	48	Extensions may add additional resources and C<actions>, i.e., methods
45	when the user extends selections (double-click and further clicks). Right	49	which can be bound to a key and invoked by the user. An extension can
46	now, it tries to select words, urls and complete shell-quoted	50	define the resources it support using so called META comments,
47	arguments, which is very convenient, too, if your F<ls> supports	51	described below. Similarly to builtin resources, extension resources
48	C<--quoting-style=shell>.	52	can also be specified on the command line as long options (with C<.>
49		53	replaced by C<->), in which case the corresponding extension is loaded
50	A double-click usually selects the word under the cursor, further clicks	54	automatically. For this to work the extension B<must> define META
51	will enlarge the selection.	55	comments for its resources.
52
53	The selection works by trying to match a number of regexes and displaying
54	them in increasing order of length. You can add your own regexes by
55	specifying resources of the form:
56
57	URxvt.selection.pattern-0: perl-regex
58	URxvt.selection.pattern-1: perl-regex
59	...
60
61	The index number (0, 1...) must not have any holes, and each regex must
62	contain at least one pair of capturing parentheses, which will be used for
63	the match. For example, the followign adds a regex that matches everything
64	between two vertical bars:
65
66	URxvt.selection.pattern-0: \\|([^|]+)\\|
67
68	You can look at the source of the selection extension to see more
69	interesting uses, such as parsing a line from beginning to end.
70
71	This extension also offers following bindable keyboard commands:
72
73	=over 4
74
75	=item rot13
76
77	Rot-13 the selection when activated. Used via keyboard trigger:
78
79	URxvt.keysym.C-M-r: perl:selection:rot13
80
81	=back
82
83	=item option-popup (enabled by default)
84
85	Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at
86	runtime.
87
88	=item selection-popup (enabled by default)
89
90	Binds a popup menu to Ctrl-Button3 that lets you convert the selection
91	text into various other formats/action (such as uri unescaping, perl
92	evalution, web-browser starting etc.), depending on content.
93
94	Other extensions can extend this popup menu by pushing a code reference
95	onto C<@{ $term->{selection_popup_hook} }>, that is called whenever the
96	popup is displayed.
97
98	It's sole argument is the popup menu, which can be modified. The selection
99	is in C<$_>, which can be used to decide wether to add something or not.
100	It should either return nothing or a string and a code reference. The
101	string will be used as button text and the code reference will be called
102	when the button gets activated and should transform C<$_>.
103
104	The following will add an entry C<a to b> that transforms all C<a>s in
105	the selection to C<b>s, but only if the selection currently contains any
106	C<a>s:
107
108	push @{ $self->{term}{selection_popup_hook} }, sub {
109	/a/ ? ("a to be" => sub { s/a/b/g }
110	: ()
111	};
112
113	=item searchable-scrollback<hotkey> (enabled by default)
114
115	Adds regex search functionality to the scrollback buffer, triggered
116	by a hotkey (default: C<M-s>). While in search mode, normal terminal
117	input/output is suspended and a regex is displayed at the bottom of the
118	screen.
119
120	Inputting characters appends them to the regex and continues incremental
121	search. C<BackSpace> removes a character from the regex, C<Up> and C<Down>
122	search upwards/downwards in the scrollback buffer, C<End> jumps to the
123	bottom. C<Escape> leaves search mode and returns to the point where search
124	was started, while C<Enter> or C<Return> stay at the current position and
125	additionally stores the first match in the current line into the primary
126	selection.
127
128	=item selection-autotransform
129
130	This selection allows you to do automatic transforms on a selection
131	whenever a selection is made.
132
133	It works by specifying perl snippets (most useful is a single C<s///>
134	operator) that modify C<$_> as resources:
135
136	URxvt.selection-autotransform.0: transform
137	URxvt.selection-autotransform.1: transform
138	...
139
140	For example, the following will transform selections of the form
141	C<filename:number>, often seen in compiler messages, into C<vi +$filename
142	$word>:
143
144	URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/
145
146	And this example matches the same,but replaces it with vi-commands you can
147	paste directly into your (vi :) editor:
148
149	URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/:e \\Q$1\\E\\x0d:$2\\x0d/
150
151	Of course, this can be modified to suit your needs and your editor :)
152
153	To expand the example above to typical perl error messages ("XXX at
154	FILENAME line YYY."), you need a slightly more elaborate solution:
155
156	URxvt.selection.pattern-0: ( at .*? line \\d+[,.])
157	URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)[,.]$/:e \\Q$1\E\\x0d:$2\\x0d/
158
159	The first line tells the selection code to treat the unchanging part of
160	every error message as a selection pattern, and the second line transforms
161	the message into vi commands to load the file.
162
163	=item mark-urls
164
165	Uses per-line display filtering (C<on_line_update>) to underline urls and
166	make them clickable. When middle-clicked, the program specified in the
167	resource C<urlLauncher> (default C<x-www-browser>) will be started with
168	the URL as first argument.
169
170	=item automove-background
171
172	This is basically a one-line extension that dynamically changes the background pixmap offset
173	to the window position, in effect creating the same effect as pseudo transparency with
174	a custom pixmap. No scaling is supported in this mode. Exmaple:
175
176	@@RXVT_NAME@@ -pixmap background.xpm -pe automove-background
177
178	=item block-graphics-to-ascii
179
180	A not very useful example of filtering all text output to the terminal,
181	by replacing all line-drawing characters (U+2500 .. U+259F) by a
182	similar-looking ascii character.
183
184	=item digital-clock
185
186	Displays a digital clock using the built-in overlay.
187
188	=item example-refresh-hooks
189
190	Displays a very simple digital clock in the upper right corner of the
191	window. Illustrates overwriting the refresh callbacks to create your own
192	overlays or changes.
193
194	=item selection-pastebin
195
196	This is a little rarely useful extension that Uploads the selection as
197	textfile to a remote site (or does other things). (The implementation is
198	not currently secure for use in a multiuser environment as it writes to
199	F</tmp> directly.).
200
201	It listens to the C<selection-pastebin:remote-pastebin> keyboard command,
202	i.e.
203
204	URxvt.keysym.C-M-e: perl:selection-pastebin:remote-pastebin
205
206	Pressing this combination runs a command with C<%> replaced by the name of
207	the textfile. This command can be set via a resource:
208
209	URxvt.selection-pastebin.cmd: rsync -apP % ruth:/var/www/www.ta-sa.org/files/txt/.
210
211	And the default is likely not useful to anybody but the few people around
212	here :)
213
214	The name of the textfile is the hex encoded md5 sum of the selection, so
215	the same content should lead to the same filename.
216
217	After a successful upload the selection will be replaced by the text given
218	in the C<selection-pastebin-url> resource (again, the % is the placeholder
219	for the filename):
220
221	URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/%
222
223	=back
224		56
225	=head1 API DOCUMENTATION	57	=head1 API DOCUMENTATION
226		58
227	=head2 General API Considerations	59	=head2 General API Considerations
228		60
…		…
238	terminal is destroyed.	70	terminal is destroyed.
239		71
240	Argument names also often indicate the type of a parameter. Here are some	72	Argument names also often indicate the type of a parameter. Here are some
241	hints on what they mean:	73	hints on what they mean:
242		74
243	=over 4	75	=over
244		76
245	=item $text	77	=item $text
246		78
247	Rxvt-unicodes special way of encoding text, where one "unicode" character	79	Rxvt-unicode's special way of encoding text, where one "unicode" character
248	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.
249		81
250	=item $string	82	=item $string
251		83
252	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
…		…
256	=item $octets	88	=item $octets
257		89
258	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
259	locale-specific way.	91	locale-specific way.
260		92
		93	=item $keysym
		94
		95	an integer that is a valid X11 keysym code. You can convert a string
		96	into a keysym and viceversa by using C<XStringToKeysym> and
		97	C<XKeysymToString>.
		98
261	=back	99	=back
262		100
263	=head2 Extension Objects	101	=head2 Extension Objects
264		102
265	Very perl extension is a perl class. A separate perl object is created	103	Every perl extension is a perl class. A separate perl object is created
266	for each terminal and each extension and passed as the first parameter to	104	for each terminal, and each terminal has its own set of extension objects,
267	hooks. So extensions can use their C<$self> object without having to think	105	which are passed as the first parameter to hooks. So extensions can use
268	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
269	begin with an underscore character C<_>: these are reserved for internal	108	that begin with an underscore character C<_>: these are reserved for
270	use.	109	internal use.
271		110
272	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
273	C<urxvt::term> class on this object.	112	C<urxvt::term> class on this object.
274		113
275	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.
276		116
		117	=head2 META comments
		118
		119	Rxvt-unicode recognizes special meta comments in extensions that define
		120	different types of metadata. These comments are scanned whenever a
		121	terminal is created and are typically used to autoload extensions when
		122	their resources or command line parameters are used.
		123
		124	Currently, it recognises these comments below. Individual components are
		125	separated by colons (C<:>), and should not contain colons themselves -
		126	there is also currently no escaping mechanism provided for this.
		127
277	=over 4	128	=over
278		129
279	=item $urxvt_term = $self->{term}	130	=item #:META:RESOURCE:name:type:desc
280		131
281	Returns the C<urxvt::term> object associated with this instance of the	132	The RESOURCE comment defines a resource used by the extension, where
282	extension. This member I<must not> be changed in any way.	133	C<name> is the resource name, C<type> is the resource type, C<boolean>
		134	or C<string>, and C<desc> is the resource description.
283		135
284	=item $self->enable ($hook_name => $cb, [$hook_name => $cb..])	136	The extension will be autoloaded when this resource is specified or used
		137	as a command line parameter.
285		138
286	Dynamically enable the given hooks (named without the C<on_> prefix) for	139	Example: matcher provides the C<matcher.launcher> resource by having this
287	this extension, replacing any previous hook. This is useful when you want	140	comment:
288	to overwrite time-critical hooks only temporarily.
289		141
290	=item $self->disable ($hook_name[, $hook_name..])	142	#:META:RESOURCE:%.launcher:string:default launcher command
291		143
292	Dynamically disable the given hooks.	144	Example: load this extension when the C<-tr> command line option or
		145	resource name is used.
		146
		147	#:META:RESOURCE:tr:boolean:set root pixmap as background
		148
		149	=item #:META:OSC:number:desc
		150
		151	The OSC comment specifies an OSC sequence, where C<number> is the
		152	numerical OSC code and C<desc> is a short description that is currently
		153	unused.
		154
		155	This will cause the extension to be autoloaded when the OSC sequence is
		156	used for the first time.
		157
		158	Note that autoloading carries some extra responsibilities with it:
		159	although the terminal cannot really protect itself against malicious
		160	sources of command sequences, therefore relying on the programs running
		161	I<inside> to sanitize data that they output, it is very common for
		162	programs to emit command sequences from untrusted sources.
		163
		164	While this means that extensions should, as a defense-in-depth mechanism,
		165	always consider whether OSC sequences are safe, autoloading automatically
		166	exposes any autoloaded extension in all terminal windows, so extra care
		167	should be taken.
		168
		169	Example: the background extension registers OSC C<20> like this:
		170
		171	#:META:OSC:20:change/query background image
		172
		173	=item #:META:OSC_PERL:prefix:desc
		174
		175	The same as the OSC comment, but for the Perl OSC sequence (C<777>). The
		176	C<prefix> should be unique among extensions, of course, which is most
		177	easily arranged by using the extension name, although this is not
		178	required.
		179
		180	Example: the overlay-osc extension registers its Perl OSC like this:
		181
		182	#:META:OSC_PERL:overlay:man overlay-osc
293		183
294	=back	184	=back
295		185
296	=head2 Hooks	186	=head2 Hooks
297		187
298	The following subroutines can be declared in extension files, and will be	188	The following subroutines can be declared in extension files, and will be
299	called whenever the relevant event happens.	189	called whenever the relevant event happens.
300		190
301	The first argument passed to them is an extension oject as described in	191	The first argument passed to them is an extension object as described in
302	the in the C<Extension Objects> section.	192	the in the C<Extension Objects> section.
303		193
304	B<All> of these hooks must return a boolean value. If it is true, then the	194	B<All> of these hooks must return a boolean value. If any of the called
305	event counts as being I<consumed>, and the invocation of other hooks is	195	hooks returns true, then the event counts as being I<consumed>, and the
306	skipped, and the relevant action might not be carried out by the C++ code.	196	relevant action might not be carried out by the C++ code.
307		197
308	I<< When in doubt, return a false value (preferably C<()>). >>	198	I<< When in doubt, return a false value (preferably C<()>). >>
309		199
310	=over 4	200	=over
311		201
312	=item on_init $term	202	=item on_init $term
313		203
314	Called after a new terminal object has been initialized, but before	204	Called after a new terminal object has been initialized, but before
315	windows are created or the command gets run. Most methods are unsafe to	205	windows are created or the command gets run. Most methods are unsafe to
316	call or deliver senseless data, as terminal size and other characteristics	206	call or deliver senseless data, as terminal size and other characteristics
317	have not yet been determined. You can safely query and change resources,	207	have not yet been determined. You can safely query and change resources
318	though.	208	and options, though. For many purposes the C<on_start> hook is a better
		209	place.
		210
		211	=item on_start $term
		212
		213	Called at the very end of initialisation of a new terminal, just before
		214	trying to map (display) the toplevel and returning to the main loop.
		215
		216	=item on_destroy $term
		217
		218	Called whenever something tries to destroy terminal, when the terminal is
		219	still fully functional (not for long, though).
319		220
320	=item on_reset $term	221	=item on_reset $term
321		222
322	Called after the screen is "reset" for any reason, such as resizing or	223	Called after the screen is "reset" for any reason, such as resizing or
323	control sequences. Here is where you can react on changes to size-related	224	control sequences. Here is where you can react on changes to size-related
324	variables.	225	variables.
325		226
326	=item on_start $term
327
328	Called at the very end of initialisation of a new terminal, just before
329	returning to the mainloop.
330
331	=item on_child_start $term, $pid	227	=item on_child_start $term, $pid
332		228
333	Called just after the child process has been C<fork>ed.	229	Called just after the child process has been C<fork>ed.
334		230
335	=item on_child_exit $term, $status	231	=item on_child_exit $term, $status
…		…
350		246
351	Called whenever a selection has been copied, but before the selection is	247	Called whenever a selection has been copied, but before the selection is
352	requested from the server. The selection text can be queried and changed	248	requested from the server. The selection text can be queried and changed
353	by calling C<< $term->selection >>.	249	by calling C<< $term->selection >>.
354		250
355	Returning a true value aborts selection grabbing. It will still be hilighted.	251	Returning a true value aborts selection grabbing. It will still be highlighted.
356		252
357	=item on_sel_extend $term	253	=item on_sel_extend $term
358		254
359	Called whenever the user tries to extend the selection (e.g. with a double	255	Called whenever the user tries to extend the selection (e.g. with a double
360	click) and is either supposed to return false (normal operation), or	256	click) and is either supposed to return false (normal operation), or
361	should extend the selection itelf and return true to suppress the built-in	257	should extend the selection itself and return true to suppress the built-in
362	processing. This can happen multiple times, as long as the callback	258	processing. This can happen multiple times, as long as the callback
363	returns true, it will be called on every further click by the user and is	259	returns true, it will be called on every further click by the user and is
364	supposed to enlarge the selection more and more, if possible.	260	supposed to enlarge the selection more and more, if possible.
365		261
366	See the F<selection> example extension.	262	See the F<selection> example extension.
367		263
368	=item on_view_change $term, $offset	264	=item on_view_change $term, $offset
369		265
370	Called whenever the view offset changes, i..e the user or program	266	Called whenever the view offset changes, i.e. the user or program
371	scrolls. Offset C<0> means display the normal terminal, positive values	267	scrolls. Offset C<0> means display the normal terminal, positive values
372	show this many lines of scrollback.	268	show this many lines of scrollback.
373		269
374	=item on_scroll_back $term, $lines, $saved	270	=item on_scroll_back $term, $lines, $saved
375		271
…		…
379		275
380	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,	276	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,
381	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total	277	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total
382	number of lines that will be in the scrollback buffer.	278	number of lines that will be in the scrollback buffer.
383		279
384	=item on_osc_seq $term, $string	280	=item on_osc_seq $term, $op, $args, $resp
385		281
		282	Called on every OSC sequence and can be used to suppress it or modify its
		283	behaviour. The default should be to return an empty list. A true value
		284	suppresses execution of the request completely. Make sure you don't get
		285	confused by recursive invocations when you output an OSC sequence within
		286	this callback.
		287
		288	C<on_osc_seq_perl> should be used for new behaviour.
		289
		290	=item on_osc_seq_perl $term, $args, $resp
		291
386	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =	292	Called whenever the B<ESC ] 777 ; prefix ; string ST> command sequence
387	operating system command) is processed. Cursor position and other state	293	(OSC = operating system command) is processed. Cursor position and other
388	information is up-to-date when this happens. For interoperability, the	294	state information is up-to-date when this happens. For interoperability,
389	string should start with the extension name and a colon, to distinguish	295	the argument should start with the extension name (sans -osc) or some
390	it from commands for other extensions, and this might be enforced in the	296	other suitable prefix, and a semicolon, to distinguish it from commands
391	future.	297	for other extensions.
		298
		299	For example, C<overlay-osc> uses this:
		300
		301	sub on_osc_seq_perl {
		302	my ($self, $osc, $resp) = @_;
		303
		304	return unless $osc =~ s/^overlay;//;
		305
		306	... process remaining $osc string
		307	}
392		308
393	Be careful not ever to trust (in a security sense) the data you receive,	309	Be careful not ever to trust (in a security sense) the data you receive,
394	as its source can not easily be controleld (e-mail content, messages from	310	as its source can not easily be controlled (e-mail content, messages from
395	other users on the same system etc.).	311	other users on the same system etc.).
		312
		313	For responses, C<$resp> contains the end-of-args separator used by the
		314	sender.
396		315
397	=item on_add_lines $term, $string	316	=item on_add_lines $term, $string
398		317
399	Called whenever text is about to be output, with the text as argument. You	318	Called whenever text is about to be output, with the text as argument. You
400	can filter/change and output the text yourself by returning a true value	319	can filter/change and output the text yourself by returning a true value
…		…
405	=item on_tt_write $term, $octets	324	=item on_tt_write $term, $octets
406		325
407	Called whenever some data is written to the tty/pty and can be used to	326	Called whenever some data is written to the tty/pty and can be used to
408	suppress or filter tty input.	327	suppress or filter tty input.
409		328
		329	=item on_tt_paste $term, $octets
		330
		331	Called whenever text is about to be pasted, with the text as argument. You
		332	can filter/change and paste the text yourself by returning a true value
		333	and calling C<< $term->tt_paste >> yourself. C<$octets> is
		334	locale-encoded.
		335
410	=item on_line_update $term, $row	336	=item on_line_update $term, $row
411		337
412	Called whenever a line was updated or changed. Can be used to filter	338	Called whenever a line was updated or changed. Can be used to filter
413	screen output (e.g. underline urls or other useless stuff). Only lines	339	screen output (e.g. underline urls or other useless stuff). Only lines
414	that are being shown will be filtered, and, due to performance reasons,	340	that are being shown will be filtered, and, due to performance reasons,
…		…
421	later with the already-modified line (e.g. if unrelated parts change), so	347	later with the already-modified line (e.g. if unrelated parts change), so
422	you cannot just toggle rendition bits, but only set them.	348	you cannot just toggle rendition bits, but only set them.
423		349
424	=item on_refresh_begin $term	350	=item on_refresh_begin $term
425		351
426	Called just before the screen gets redrawn. Can be used for overlay	352	Called just before the screen gets redrawn. Can be used for overlay or
427	or similar effects by modify terminal contents in refresh_begin, and	353	similar effects by modifying the terminal contents in refresh_begin, and
428	restoring them in refresh_end. The built-in overlay and selection display	354	restoring them in refresh_end. The built-in overlay and selection display
429	code is run after this hook, and takes precedence.	355	code is run after this hook, and takes precedence.
430		356
431	=item on_refresh_end $term	357	=item on_refresh_end $term
432		358
433	Called just after the screen gets redrawn. See C<on_refresh_begin>.	359	Called just after the screen gets redrawn. See C<on_refresh_begin>.
434		360
		361	=item on_action $term, $string
		362
		363	Called whenever an action is invoked for the corresponding extension
		364	(e.g. via a C<extension:string> builtin action bound to a key, see
		365	description of the B<keysym> resource in the urxvt(1) manpage). The
		366	event is simply the action string. Note that an action event is always
		367	associated to a single extension.
		368
435	=item on_keyboard_command $term, $string	369	=item on_user_command $term, $string *DEPRECATED*
436		370
437	Called whenever the user presses a key combination that has a	371	Called whenever a user-configured event is being activated (e.g. via
438	C<perl:string> action bound to it (see description of the B<keysym>	372	a C<perl:string> action bound to a key, see description of the B<keysym>
439	resource in the @@RXVT_NAME@@(1) manpage).	373	resource in the urxvt(1) manpage).
		374
		375	The event is simply the action string. This interface is going away in
		376	preference to the C<on_action> hook.
		377
		378	=item on_resize_all_windows $term, $new_width, $new_height
		379
		380	Called just after the new window size has been calculated, but before
		381	windows are actually being resized or hints are being set. If this hook
		382	returns a true value, setting of the window hints is being skipped.
440		383
441	=item on_x_event $term, $event	384	=item on_x_event $term, $event
442		385
443	Called on every X event received on the vt window (and possibly other	386	Called on every X event received on the vt window (and possibly other
444	windows). Should only be used as a last resort. Most event structure	387	windows). Should only be used as a last resort. Most event structure
445	members are not passed.	388	members are not passed.
446		389
		390	=item on_root_event $term, $event
		391
		392	Like C<on_x_event>, but is called for events on the root window.
		393
447	=item on_focus_in $term	394	=item on_focus_in $term
448		395
449	Called whenever the window gets the keyboard focus, before rxvt-unicode	396	Called whenever the window gets the keyboard focus, before rxvt-unicode
450	does focus in processing.	397	does focus in processing.
451		398
452	=item on_focus_out $term	399	=item on_focus_out $term
453		400
454	Called wheneever the window loses keyboard focus, before rxvt-unicode does	401	Called whenever the window loses keyboard focus, before rxvt-unicode does
455	focus out processing.	402	focus out processing.
456		403
457	=item on_configure_notify $term, $event	404	=item on_configure_notify $term, $event
458		405
		406	=item on_property_notify $term, $event
		407
459	=item on_key_press $term, $event, $keysym, $octets	408	=item on_key_press $term, $event, $keysym, $octets
460		409
461	=item on_key_release $term, $event, $keysym	410	=item on_key_release $term, $event, $keysym
462		411
463	=item on_button_press $term, $event	412	=item on_button_press $term, $event
…		…
468		417
469	=item on_map_notify $term, $event	418	=item on_map_notify $term, $event
470		419
471	=item on_unmap_notify $term, $event	420	=item on_unmap_notify $term, $event
472		421
473	Called whenever the corresponding X event is received for the terminal If	422	Called whenever the corresponding X event is received for the terminal. If
474	the hook returns true, then the even will be ignored by rxvt-unicode.	423	the hook returns true, then the event will be ignored by rxvt-unicode.
475		424
476	The event is a hash with most values as named by Xlib (see the XEvent	425	The event is a hash with most values as named by Xlib (see the XEvent
477	manpage), with the additional members C<row> and C<col>, which are the row	426	manpage), with the additional members C<row> and C<col>, which are the
478	and column under the mouse cursor.	427	(real, not screen-based) row and column under the mouse cursor.
479		428
480	C<on_key_press> additionally receives the string rxvt-unicode would	429	C<on_key_press> additionally receives the string rxvt-unicode would
481	output, if any, in locale-specific encoding.	430	output, if any, in locale-specific encoding.
482		431
483	subwindow.	432	=item on_client_message $term, $event
		433
		434	=item on_wm_protocols $term, $event
		435
		436	=item on_wm_delete_window $term, $event
		437
		438	Called when various types of ClientMessage events are received (all with
		439	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
		440
		441	=item on_bell $term
		442
		443	Called on receipt of a bell character.
484		444
485	=back	445	=back
486		446
487	=cut	447	=cut
488		448
489	package urxvt;	449	package urxvt;
490		450
491	use utf8;	451	use utf8;
492	use strict;	452	use strict qw(vars subs);
493	use Carp ();	453	use Carp ();
494	use Scalar::Util ();	454	use Scalar::Util ();
495	use List::Util ();	455	use List::Util ();
496		456
497	our $VERSION = 1;	457	our $VERSION = 1;
498	our $TERM;	458	our $TERM;
		459	our @TERM_INIT; # should go, prevents async I/O etc.
		460	our @TERM_EXT; # should go, prevents async I/O etc.
499	our @HOOKNAME;	461	our @HOOKNAME;
500	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;	462	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
501	our %OPTION;	463	our %OPTION;
502		464
503	our $LIBDIR;	465	our $LIBDIR;
504	our $RESNAME;	466	our $RESNAME;
505	our $RESCLASS;	467	our $RESCLASS;
506	our $RXVTNAME;	468	our $RXVTNAME;
507		469
		470	our $NOCHAR = chr 0xffff;
		471
508	=head2 Variables in the C<urxvt> Package	472	=head2 Variables in the C<urxvt> Package
509		473
510	=over 4	474	=over
511		475
512	=item $urxvt::LIBDIR	476	=item $urxvt::LIBDIR
513		477
514	The rxvt-unicode library directory, where, among other things, the perl	478	The rxvt-unicode library directory, where, among other things, the perl
515	modules and scripts are stored.	479	modules and scripts are stored.
…		…
525	=item $urxvt::TERM	489	=item $urxvt::TERM
526		490
527	The current terminal. This variable stores the current C<urxvt::term>	491	The current terminal. This variable stores the current C<urxvt::term>
528	object, whenever a callback/hook is executing.	492	object, whenever a callback/hook is executing.
529		493
		494	=item @urxvt::TERM_INIT
		495
		496	All code references in this array will be called as methods of the next newly
		497	created C<urxvt::term> object (during the C<on_init> phase). The array
		498	gets cleared before the code references that were in it are being executed,
		499	so references can push themselves onto it again if they so desire.
		500
		501	This complements to the perl-eval command line option, but gets executed
		502	first.
		503
		504	=item @urxvt::TERM_EXT
		505
		506	Works similar to C<@TERM_INIT>, but contains perl package/class names, which
		507	get registered as normal extensions after calling the hooks in C<@TERM_INIT>
		508	but before other extensions. Gets cleared just like C<@TERM_INIT>.
		509
530	=back	510	=back
531		511
532	=head2 Functions in the C<urxvt> Package	512	=head2 Functions in the C<urxvt> Package
533		513
534	=over 4	514	=over
535		515
536	=item urxvt::fatal $errormessage	516	=item urxvt::fatal $errormessage
537		517
538	Fatally aborts execution with the given error message. Avoid at all	518	Fatally aborts execution with the given error message (which should
539	costs! The only time this is acceptable is when the terminal process	519	include a trailing newline). Avoid at all costs! The only time this
540	starts up.	520	is acceptable (and useful) is in the init hook, where it prevents the
		521	terminal from starting up.
541		522
542	=item urxvt::warn $string	523	=item urxvt::warn $string
543		524
544	Calls C<rxvt_warn> with the given string which should not include a	525	Calls C<rxvt_warn> with the given string which should include a trailing
545	newline. The module also overwrites the C<warn> builtin with a function	526	newline. The module also overwrites the C<warn> builtin with a function
546	that calls this function.	527	that calls this function.
547		528
548	Using this function has the advantage that its output ends up in the	529	Using this function has the advantage that its output ends up in the
549	correct place, e.g. on stderr of the connecting urxvtc client.	530	correct place, e.g. on stderr of the connecting urxvtc client.
550		531
551	Messages have a size limit of 1023 bytes currently.	532	Messages have a size limit of 1023 bytes currently.
		533
		534	=item @terms = urxvt::termlist
		535
		536	Returns all urxvt::term objects that exist in this process, regardless of
		537	whether they are started, being destroyed etc., so be careful. Only term
		538	objects that have perl extensions attached will be returned (because there
		539	is no urxvt::term object associated with others).
552		540
553	=item $time = urxvt::NOW	541	=item $time = urxvt::NOW
554		542
555	Returns the "current time" (as per the event loop).	543	Returns the "current time" (as per the event loop).
556		544
…		…
576	CirculateRequest, PropertyNotify, SelectionClear, SelectionRequest,	564	CirculateRequest, PropertyNotify, SelectionClear, SelectionRequest,
577	SelectionNotify, ColormapNotify, ClientMessage, MappingNotify	565	SelectionNotify, ColormapNotify, ClientMessage, MappingNotify
578		566
579	Various constants for use in X calls and event processing.	567	Various constants for use in X calls and event processing.
580		568
		569	=item urxvt::PrivMode_132, PrivMode_132OK, PrivMode_rVideo, PrivMode_relOrigin,
		570	PrivMode_Screen, PrivMode_Autowrap, PrivMode_aplCUR, PrivMode_aplKP,
		571	PrivMode_HaveBackSpace, PrivMode_BackSpace, PrivMode_ShiftKeys,
		572	PrivMode_VisibleCursor, PrivMode_MouseX10, PrivMode_MouseX11,
		573	PrivMode_scrollBar, PrivMode_TtyOutputInh, PrivMode_Keypress,
		574	PrivMode_smoothScroll, PrivMode_vt52, PrivMode_LFNL, PrivMode_MouseBtnEvent,
		575	PrivMode_MouseAnyEvent, PrivMode_BracketPaste, PrivMode_ExtMouseUTF8,
		576	PrivMode_ExtMouseUrxvt, PrivMode_BlinkingCursor, PrivMode_mouse_report,
		577	PrivMode_Default
		578
		579	Constants for checking DEC private modes.
		580
581	=back	581	=back
582		582
583	=head2 RENDITION	583	=head2 RENDITION
584		584
585	Rendition bitsets contain information about colour, font, font styles and	585	Rendition bitsets contain information about colour, font, font styles and
…		…
588	The following "macros" deal with changes in rendition sets. You should	588	The following "macros" deal with changes in rendition sets. You should
589	never just create a bitset, you should always modify an existing one,	589	never just create a bitset, you should always modify an existing one,
590	as they contain important information required for correct operation of	590	as they contain important information required for correct operation of
591	rxvt-unicode.	591	rxvt-unicode.
592		592
593	=over 4	593	=over
594		594
595	=item $rend = urxvt::DEFAULT_RSTYLE	595	=item $rend = urxvt::DEFAULT_RSTYLE
596		596
597	Returns the default rendition, as used when the terminal is starting up or	597	Returns the default rendition, as used when the terminal is starting up or
598	being reset. Useful as a base to start when creating renditions.	598	being reset. Useful as a base to start when creating renditions.
599		599
600	=item $rend = urxvt::OVERLAY_RSTYLE	600	=item $rend = urxvt::OVERLAY_RSTYLE
601		601
602	Return the rendition mask used for overlays by default.	602	Return the rendition mask used for overlays by default.
603		603
604	=item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline	604	=item $rendbit = urxvt::RS_Bold, urxvt::RS_Italic, urxvt::RS_Blink,
		605	urxvt::RS_RVid, urxvt::RS_Uline
605		606
606	Return the bit that enabled bold, italic, blink, reverse-video and	607	Return the bit that enabled bold, italic, blink, reverse-video and
607	underline, respectively. To enable such a style, just logically OR it into	608	underline, respectively. To enable such a style, just logically OR it into
608	the bitset.	609	the bitset.
609		610
…		…
614	Return the foreground/background colour index, respectively.	615	Return the foreground/background colour index, respectively.
615		616
616	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour	617	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour
617		618
618	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour	619	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour
		620
		621	=item $rend = urxvt::SET_COLOR $rend, $new_fg, $new_bg
619		622
620	Replace the foreground/background colour in the rendition mask with the	623	Replace the foreground/background colour in the rendition mask with the
621	specified one.	624	specified one.
622		625
623	=item $value = urxvt::GET_CUSTOM $rend	626	=item $value = urxvt::GET_CUSTOM $rend
…		…
642	unless $msg =~ /\n$/;	645	unless $msg =~ /\n$/;
643	urxvt::warn ($msg);	646	urxvt::warn ($msg);
644	};	647	};
645	}	648	}
646		649
		650	no warnings 'utf8';
		651
		652	sub parse_resource {
		653	my ($term, $name, $isarg, $longopt, $flag, $value) = @_;
		654
		655	$term->scan_extensions;
		656
		657	# iterating over all resources has quadratic time overhead
		658	# overall, maybe this could be optimised?
		659	my $r = $term->{meta}{resource};
		660	keys %$r; # reset iterator
		661	while (my ($k, $v) = each %$r) {
		662	my $pattern = $k;
		663	$pattern =~ y/./-/ if $isarg;
		664	my $prefix = $name;
		665	my $suffix;
		666	if ($pattern =~ /\-$/) {
		667	$prefix = substr $name, 0, length $pattern;
		668	$suffix = substr $name, length $pattern;
		669	}
		670	if ($pattern eq $prefix) {
		671	$name = "$urxvt::RESCLASS.$k$suffix";
		672
		673	push @{ $term->{perl_ext_3} }, $v->[0];
		674
		675	return 1 unless $isarg;
		676
		677	if ($v->[1] eq "boolean") {
		678	$term->put_option_db ($name, $flag ? "true" : "false");
		679	return 1;
		680	} else {
		681	$term->put_option_db ($name, $value);
		682	return 1 + 2;
		683	}
		684	}
		685	}
		686
		687	0
		688	}
		689
		690	sub usage {
		691	my ($term, $usage_type) = @_;
		692
		693	$term->scan_extensions;
		694
		695	my $r = $term->{meta}{resource};
		696
		697	for my $pattern (sort keys %$r) {
		698	my ($ext, $type, $desc) = @{ $r->{$pattern} };
		699
		700	$desc .= " (-pe $ext)";
		701
		702	if ($usage_type == 1) {
		703	$pattern =~ y/./-/;
		704	$pattern =~ s/-$/-.../g;
		705
		706	if ($type eq "boolean") {
		707	urxvt::log sprintf " -%-30s %s\n", "/+$pattern", $desc;
		708	} else {
		709	urxvt::log sprintf " -%-30s %s\n", "$pattern $type", $desc;
		710	}
		711	} else {
		712	$pattern =~ s/\.$/.*/g;
		713	urxvt::log sprintf " %-31s %s\n", "$pattern:", $type;
		714	}
		715	}
		716	}
		717
647	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};	718	my $verbosity = $ENV{URXVT_PERL_VERBOSITY} // 2;
648		719
649	sub verbose {	720	sub verbose {
650	my ($level, $msg) = @_;	721	my ($level, $msg) = @_;
651	warn "$msg\n" if $level <= $verbosity;	722	warn "$msg\n" if $level <= $verbosity;
652	}	723	}
…		…
654	my %extension_pkg;	725	my %extension_pkg;
655		726
656	# load a single script into its own package, once only	727	# load a single script into its own package, once only
657	sub extension_package($) {	728	sub extension_package($) {
658	my ($path) = @_;	729	my ($path) = @_;
659
660	no strict 'refs';
661		730
662	$extension_pkg{$path} ||= do {	731	$extension_pkg{$path} ||= do {
663	$path =~ /([^\/\\]+)$/;	732	$path =~ /([^\/\\]+)$/;
664	my $pkg = $1;	733	my $pkg = $1;
665	$pkg =~ s/[^[:word:]]/_/g;	734	$pkg =~ s/[^[:word:]]/_/g;
666	$pkg = "urxvt::ext::$pkg";	735	$pkg = "urxvt::ext::$pkg";
667		736
668	verbose 3, "loading extension '$path' into package '$pkg'";	737	verbose 3, "loading extension '$path' into package '$pkg'";
669		738
		739	(${"$pkg\::_NAME"} = $path) =~ s/^.*[\\\/]//; # hackish
		740
670	open my $fh, "<:raw", $path	741	open my $fh, "<:raw", $path
671	or die "$path: $!";	742	or die "$path: $!";
672		743
673	@{"$pkg\::ISA"} = urxvt::term::extension::;
674
675	my $source =	744	my $source =
676	"package $pkg; use strict; use utf8;\n"	745	"package $pkg; use strict qw(vars subs); use utf8; no warnings 'utf8';\n"
677	. "#line 1 \"$path\"\n{\n"	746	. "#line 1 \"$path\"\n{\n"
678	. (do { local $/; <$fh> })	747	. (do { local $/; <$fh> })
679	. "\n};\n1";	748	. "\n};\n1";
680		749
681	eval $source	750	eval $source
…		…
690	# called by the rxvt core	759	# called by the rxvt core
691	sub invoke {	760	sub invoke {
692	local $TERM = shift;	761	local $TERM = shift;
693	my $htype = shift;	762	my $htype = shift;
694		763
695	if ($htype == 0) { # INIT	764	if ($htype == HOOK_INIT) {
696	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");	765	$TERM->scan_extensions;
697		766
698	my %ext_arg;	767	my %ext_arg;
699		768
		769	{
		770	my @init = @TERM_INIT;
		771	@TERM_INIT = ();
		772	$_->($TERM) for @init;
		773	my @pkg = @TERM_EXT;
		774	@TERM_EXT = ();
		775	$TERM->register_package ($_) for @pkg;
		776	}
		777
		778	for (
		779	@{ delete $TERM->{perl_ext_3} },
700	for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {	780	(grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2),
		781	) {
701	if ($_ eq "default") {	782	if ($_ eq "default") {
		783
		784	$ext_arg{$_} = []
702	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback);	785	for qw(selection option-popup selection-popup readline searchable-scrollback confirm-paste);
		786
		787	for ($TERM->_keysym_resources) {
		788	next if /^(?:string|command|builtin|builtin-string|perl)/;
		789	next unless /^([A-Za-z0-9_\-]+):/;
		790
		791	my $ext = $1;
		792
		793	$ext_arg{$ext} = [];
		794	}
		795
703	} elsif (/^-(.*)$/) {	796	} elsif (/^-(.*)$/) { # remove from set
704	delete $ext_arg{$1};	797	delete $ext_arg{$1};
705	} elsif (/^([^<]+)<(.*)>$/) {	798
		799	} elsif (/^\/(.*)$/) { # prohibit loading
		800	undef $TERM->{ext_prohibit}{$1};
		801
		802	} elsif (/^([^<]+)(?:<(.*)>)?$/) { # add to set, clear prohibit status
		803	delete $TERM->{ext_prohibit}{$1};
706	push @{ $ext_arg{$1} }, $2;	804	push @{ $ext_arg{$1} }, defined $2 ? $2 : ();
		805
707	} else {	806	} else {
708	$ext_arg{$_} ||= [];	807	verbose 2, "cannot parse extension specification '$_', ignoring.";
709	}	808	}
710	}	809	}
711		810
712	while (my ($ext, $argv) = each %ext_arg) {	811	$TERM->set_should_invoke (HOOK_OSC_SEQ , +1) if $TERM->{meta}{autoload_osc};
713	my @files = grep -f $_, map "$_/$ext", @dirs;	812	$TERM->set_should_invoke (HOOK_OSC_SEQ_PERL, +1) if $TERM->{meta}{autoload_osc_perl};
714		813
715	if (@files) {	814	for my $ext (sort keys %ext_arg) {
716	$TERM->register_package (extension_package $files[0], $argv);	815	my $path = $TERM->extension_path ($ext);
		816
		817	if (defined $path) {
		818	$TERM->autoload_extension ($ext, $ext_arg{$ext});
717	} else {	819	} else {
718	warn "perl extension '$ext' not found in perl library search path\n";	820	verbose 2, "perl extension '$ext' not found in perl library search path";
719	}	821	}
720	}	822	}
721		823
722	eval "#line 1 \"--perl-eval resource/argument\"\n" . $TERM->resource ("perl_eval");	824	eval "#line 1 \"--perl-eval resource/argument\"\n" . $TERM->resource ("perl_eval");
723	warn $@ if $@;	825	warn $@ if $@;
724	}	826	}
725		827
		828	if ($htype == HOOK_OSC_SEQ) {
		829	if (my $exts = delete $TERM->{meta}{autoload_osc}{$_[0]}) {
		830	$TERM->autoload_extension ($_->[0]) for @$exts;
		831	}
		832	} elsif ($htype == HOOK_OSC_SEQ_PERL) {
		833	if ($_[0] =~ /^([^;]+)/ and (my $exts = delete $TERM->{meta}{autoload_osc_perl}{$1})) {
		834	$TERM->autoload_extension ($_->[0]) for @$exts;
		835	}
		836	}
		837
726	$retval = undef;	838	$retval = undef;
727		839
728	if (my $cb = $TERM->{_hook}[$htype]) {	840	if (my $cb = $TERM->{_hook}[$htype]) {
729	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"	841	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
730	if $verbosity >= 10;	842	if $verbosity >= 10;
731		843
732	keys %$cb;	844	if ($htype == HOOK_ACTION) {
		845	# this hook is only sent to the extension with the name
		846	# matching the first arg
		847	my $pkg = shift;
		848	$pkg =~ y/-/_/;
		849	$pkg = "urxvt::ext::$pkg";
733		850
734	while (my ($pkg, $cb) = each %$cb) {	851	$cb = $cb->{$pkg}
		852	or return undef; #TODO: maybe warn user?
		853
		854	$cb = { $pkg => $cb };
		855	}
		856
		857	for my $pkg (keys %$cb) {
735	$retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) }	858	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg} || $TERM, @_) };
736	and last;	859	$retval ||= $retval_;
737		860
738	if ($@) {	861	if ($@) {
739	$TERM->ungrab; # better to lose the grab than the session	862	$TERM->ungrab; # better to lose the grab than the session
740	warn $@;	863	warn $@;
741	}	864	}
…		…
743		866
744	verbose 11, "$HOOKNAME[$htype] returning <$retval>"	867	verbose 11, "$HOOKNAME[$htype] returning <$retval>"
745	if $verbosity >= 11;	868	if $verbosity >= 11;
746	}	869	}
747		870
748	if ($htype == 1) { # DESTROY	871	if ($htype == HOOK_DESTROY) {
749	# clear package objects	872	# clear package objects
750	%$_ = () for values %{ $TERM->{_pkg} };	873	%$_ = () for values %{ $TERM->{_pkg} };
751		874
752	# clear package	875	# clear package
753	%$TERM = ();	876	%$TERM = ();
754	}	877	}
755		878
756	$retval	879	$retval
757	}	880	}
758		881
759	# urxvt::term::extension	882	sub SET_COLOR($$$) {
		883	SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
		884	}
		885
		886	sub rend2mask {
		887	no strict 'refs';
		888	my ($str, $mask) = (@_, 0);
		889	my %color = ( fg => undef, bg => undef );
		890	my @failed;
		891	for my $spec ( split /\s+/, $str ) {
		892	if ( $spec =~ /^([fb]g)[_:-]?(\d+)/i ) {
		893	$color{lc($1)} = $2;
		894	} else {
		895	my $neg = $spec =~ s/^[-^]//;
		896	unless ( exists &{"RS_$spec"} ) {
		897	push @failed, $spec;
		898	next;
		899	}
		900	my $cur = &{"RS_$spec"};
		901	if ( $neg ) {
		902	$mask &= ~$cur;
		903	} else {
		904	$mask |= $cur;
		905	}
		906	}
		907	}
		908	($mask, @color{qw(fg bg)}, \@failed)
		909	}
760		910
761	package urxvt::term::extension;	911	package urxvt::term::extension;
762		912
763	sub enable {	913	=head2 The C<urxvt::term::extension> class
764	my ($self, %hook) = @_;
765	my $pkg = $self->{_pkg};
766		914
767	while (my ($name, $cb) = each %hook) {	915	Each extension attached to a terminal object is represented by
768	my $htype = $HOOKTYPE{uc $name};	916	a C<urxvt::term::extension> object.
769	defined $htype
770	or Carp::croak "unsupported hook type '$name'";
771		917
772	$self->set_should_invoke ($htype, +1)	918	You can use these objects, which are passed to all callbacks to store any
773	unless exists $self->{term}{_hook}[$htype]{$pkg};	919	state related to the terminal and extension instance.
774		920
775	$self->{term}{_hook}[$htype]{$pkg} = $cb;	921	The methods (And data members) documented below can be called on extension
776	}	922	objects, in addition to call methods documented for the <urxvt::term>
777	}	923	class.
778		924
779	sub disable {	925	=over
780	my ($self, @hook) = @_;
781	my $pkg = $self->{_pkg};
782		926
783	for my $name (@hook) {	927	=item $urxvt_term = $self->{term}
784	my $htype = $HOOKTYPE{uc $name};
785	defined $htype
786	or Carp::croak "unsupported hook type '$name'";
787		928
788	$self->set_should_invoke ($htype, -1)	929	Returns the C<urxvt::term> object associated with this instance of the
789	if delete $self->{term}{_hook}[$htype]{$pkg};	930	extension. This member I<must not> be changed in any way.
790	}	931
791	}	932	=cut
792		933
793	our $AUTOLOAD;	934	our $AUTOLOAD;
794		935
795	sub AUTOLOAD {	936	sub AUTOLOAD {
796	$AUTOLOAD =~ /:([^:]+)$/	937	$AUTOLOAD =~ /:([^:]+)$/
…		…
809		950
810	sub DESTROY {	951	sub DESTROY {
811	# nop	952	# nop
812	}	953	}
813		954
814	# urxvt::destroy_hook	955	# urxvt::destroy_hook (basically a cheap Guard:: implementation)
815		956
816	sub urxvt::destroy_hook::DESTROY {	957	sub urxvt::destroy_hook::DESTROY {
817	${$_[0]}->();	958	${$_[0]}->();
818	}	959	}
819		960
820	sub urxvt::destroy_hook(&) {	961	sub urxvt::destroy_hook(&) {
821	bless \shift, urxvt::destroy_hook::	962	bless \shift, urxvt::destroy_hook::
822	}	963	}
		964
		965	=item $self->enable ($hook_name => $cb[, $hook_name => $cb..])
		966
		967	Dynamically enable the given hooks (named without the C<on_> prefix) for
		968	this extension, replacing any hook previously installed via C<enable> in
		969	this extension.
		970
		971	This is useful when you want to overwrite time-critical hooks only
		972	temporarily.
		973
		974	To install additional callbacks for the same hook, you can use the C<on>
		975	method of the C<urxvt::term> class.
		976
		977	=item $self->disable ($hook_name[, $hook_name..])
		978
		979	Dynamically disable the given hooks.
		980
		981	=cut
		982
		983	sub enable {
		984	my ($self, %hook) = @_;
		985	my $pkg = $self->{_pkg};
		986
		987	while (my ($name, $cb) = each %hook) {
		988	my $htype = $HOOKTYPE{uc $name};
		989	defined $htype
		990	or Carp::croak "unsupported hook type '$name'";
		991
		992	$self->set_should_invoke ($htype, +1)
		993	unless exists $self->{term}{_hook}[$htype]{$pkg};
		994
		995	$self->{term}{_hook}[$htype]{$pkg} = $cb;
		996	}
		997	}
		998
		999	sub disable {
		1000	my ($self, @hook) = @_;
		1001	my $pkg = $self->{_pkg};
		1002
		1003	for my $name (@hook) {
		1004	my $htype = $HOOKTYPE{uc $name};
		1005	defined $htype
		1006	or Carp::croak "unsupported hook type '$name'";
		1007
		1008	$self->set_should_invoke ($htype, -1)
		1009	if delete $self->{term}{_hook}[$htype]{$pkg};
		1010	}
		1011	}
		1012
		1013	=item $guard = $self->on ($hook_name => $cb[, $hook_name => $cb..])
		1014
		1015	Similar to the C<enable> enable, but installs additional callbacks for
		1016	the given hook(s) (that is, it doesn't replace existing callbacks), and
		1017	returns a guard object. When the guard object is destroyed the callbacks
		1018	are disabled again.
		1019
		1020	=cut
		1021
		1022	sub urxvt::extension::on_disable::DESTROY {
		1023	my $disable = shift;
		1024
		1025	my $term = delete $disable->{""};
		1026
		1027	while (my ($htype, $id) = each %$disable) {
		1028	delete $term->{_hook}[$htype]{$id};
		1029	$term->set_should_invoke ($htype, -1);
		1030	}
		1031	}
		1032
		1033	sub on {
		1034	my ($self, %hook) = @_;
		1035
		1036	my $term = $self->{term};
		1037
		1038	my %disable = ( "" => $term );
		1039
		1040	while (my ($name, $cb) = each %hook) {
		1041	my $htype = $HOOKTYPE{uc $name};
		1042	defined $htype
		1043	or Carp::croak "unsupported hook type '$name'";
		1044
		1045	$term->set_should_invoke ($htype, +1);
		1046	$term->{_hook}[$htype]{ $disable{$htype} = $cb+0 }
		1047	= sub { shift; $cb->($self, @_) }; # very ugly indeed
		1048	}
		1049
		1050	bless \%disable, "urxvt::extension::on_disable"
		1051	}
		1052
		1053	=item $self->bind_action ($hotkey, $action)
		1054
		1055	=item $self->x_resource ($pattern)
		1056
		1057	=item $self->x_resource_boolean ($pattern)
		1058
		1059	These methods support an additional C<%> prefix for C<$action> or
		1060	C<$pattern> when called on an extension object, compared to the
		1061	C<urxvt::term> methods of the same name - see the description of these
		1062	methods in the C<urxvt::term> class for details.
		1063
		1064	=cut
		1065
		1066	sub bind_action {
		1067	my ($self, $hotkey, $action) = @_;
		1068	$action =~ s/^%:/$_[0]{_name}:/;
		1069	$self->{term}->bind_action ($hotkey, $action)
		1070	}
		1071
		1072	sub x_resource {
		1073	my ($self, $name) = @_;
		1074	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		1075	$self->{term}->x_resource ($name)
		1076	}
		1077
		1078	sub x_resource_boolean {
		1079	my ($self, $name) = @_;
		1080	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		1081	$self->{term}->x_resource_boolean ($name)
		1082	}
		1083
		1084	=back
		1085
		1086	=cut
823		1087
824	package urxvt::anyevent;	1088	package urxvt::anyevent;
825		1089
826	=head2 The C<urxvt::anyevent> Class	1090	=head2 The C<urxvt::anyevent> Class
827		1091
828	The sole purpose of this class is to deliver an interface to the	1092	The sole purpose of this class is to deliver an interface to the
829	C<AnyEvent> module - any module using it will work inside urxvt without	1093	C<AnyEvent> module - any module using it will work inside urxvt without
830	further programming. The only exception is that you cannot wait on	1094	further programming. The only exception is that you cannot wait on
831	condition variables, but non-blocking condvar use is ok. What this means	1095	condition variables, but non-blocking condvar use is ok.
832	is that you cannot use blocking APIs, but the non-blocking variant should
833	work.
834		1096
835	=cut	1097	In practical terms this means is that you cannot use blocking APIs, but
		1098	the non-blocking variant should work.
836		1099
		1100	=cut
		1101
837	our $VERSION = 1;	1102	our $VERSION = '5.23';
838		1103
839	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there	1104	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
840	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];	1105	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
841		1106
842	sub timer {	1107	sub timer {
…		…
844		1109
845	my $cb = $arg{cb};	1110	my $cb = $arg{cb};
846		1111
847	urxvt::timer	1112	urxvt::timer
848	->new	1113	->new
849	->start (urxvt::NOW + $arg{after})	1114	->after ($arg{after}, $arg{interval})
850	->cb (sub {	1115	->cb ($arg{interval} ? $cb : sub {
851	$_[0]->stop; # need to cancel manually	1116	$_[0]->stop; # need to cancel manually
852	$cb->();	1117	$cb->();
853	})	1118	})
854	}	1119	}
855		1120
856	sub io {	1121	sub io {
857	my ($class, %arg) = @_;	1122	my ($class, %arg) = @_;
858		1123
859	my $cb = $arg{cb};	1124	my $cb = $arg{cb};
		1125	my $fd = fileno $arg{fh};
		1126	defined $fd or $fd = $arg{fh};
860		1127
861	bless [$arg{fh}, urxvt::iow	1128	bless [$arg{fh}, urxvt::iow
862	->new	1129	->new
863	->fd (fileno $arg{fh})	1130	->fd ($fd)
864	->events (($arg{poll} =~ /r/ ? 1 : 0)	1131	->events (($arg{poll} =~ /r/ ? 1 : 0)
865	| ($arg{poll} =~ /w/ ? 2 : 0))	1132	| ($arg{poll} =~ /w/ ? 2 : 0))
866	->start	1133	->start
867	->cb (sub {	1134	->cb ($cb)
868	$cb->(($_[1] & 1 ? 'r' : '')
869	. ($_[1] & 2 ? 'w' : ''));
870	})],
871	urxvt::anyevent::	1135	], urxvt::anyevent::
		1136	}
		1137
		1138	sub idle {
		1139	my ($class, %arg) = @_;
		1140
		1141	my $cb = $arg{cb};
		1142
		1143	urxvt::iw
		1144	->new
		1145	->start
		1146	->cb ($cb)
		1147	}
		1148
		1149	sub child {
		1150	my ($class, %arg) = @_;
		1151
		1152	my $cb = $arg{cb};
		1153
		1154	urxvt::pw
		1155	->new
		1156	->start ($arg{pid})
		1157	->cb (sub {
		1158	$_[0]->stop; # need to cancel manually
		1159	$cb->($_[0]->rpid, $_[0]->rstatus);
		1160	})
872	}	1161	}
873		1162
874	sub DESTROY {	1163	sub DESTROY {
875	$_[0][1]->stop;	1164	$_[0][1]->stop;
876	}	1165	}
877		1166
878	sub condvar {	1167	# only needed for AnyEvent < 6 compatibility
879	bless \my $flag, urxvt::anyevent::condvar::	1168	sub one_event {
880	}
881
882	sub urxvt::anyevent::condvar::broadcast {
883	${$_[0]}++;
884	}
885
886	sub urxvt::anyevent::condvar::wait {
887	unless (${$_[0]}) {
888	Carp::croak "AnyEvent->condvar blocking wait unsupported in urxvt, use a non-blocking API";	1169	Carp::croak "AnyEvent->one_event blocking wait unsupported in urxvt, use a non-blocking API";
889	}
890	}	1170	}
891		1171
892	package urxvt::term;	1172	package urxvt::term;
893		1173
894	=head2 The C<urxvt::term> Class	1174	=head2 The C<urxvt::term> Class
895		1175
896	=over 4	1176	=over
897		1177
898	=cut	1178	=cut
899		1179
900	# find on_xxx subs in the package and register them	1180	# find on_xxx subs in the package and register them
901	# as hooks	1181	# as hooks
902	sub register_package {	1182	sub register_package {
903	my ($self, $pkg, $argv) = @_;	1183	my ($self, $pkg, $argv) = @_;
904		1184
		1185	no strict 'refs';
		1186
		1187	urxvt::verbose 6, "register package $pkg to $self";
		1188
		1189	@{"$pkg\::ISA"} = urxvt::term::extension::;
		1190
905	my $proxy = bless {	1191	my $proxy = bless {
906	_pkg => $pkg,	1192	_pkg => $pkg,
		1193	_name => ${"$pkg\::_NAME"}, # hackish
907	argv => $argv,	1194	argv => $argv,
908	}, $pkg;	1195	}, $pkg;
909	Scalar::Util::weaken ($proxy->{term} = $self);	1196	Scalar::Util::weaken ($proxy->{term} = $self);
910		1197
911	$self->{_pkg}{$pkg} = $proxy;	1198	$self->{_pkg}{$pkg} = $proxy;
912		1199
…		…
915	$proxy->enable ($name => $ref);	1202	$proxy->enable ($name => $ref);
916	}	1203	}
917	}	1204	}
918	}	1205	}
919		1206
		1207	# map extension name to filesystem path
		1208	sub extension_path {
		1209	(grep -f $_, map "$_/$_[1]", $_[0]->perl_libdirs)[0]
		1210	}
		1211
		1212	# load an extension by name
		1213	sub load_extension_file {
		1214	my ($self, $path, $argv) = @_;
		1215
		1216	$self->register_package (urxvt::extension_package $path, $argv);
		1217	}
		1218
		1219	# autoload an extension unless loading it is prohibited
		1220	sub autoload_extension {
		1221	my ($self, $name, $argv) = @_;
		1222
		1223	return if exists $self->{ext_prohibit}{$name};
		1224
		1225	my $path = $self->extension_path ($name)
		1226	// return urxvt::verbose 2, "perl extension '$name' not found in perl library search path (during autoload)";
		1227
		1228	$self->load_extension_file ($path, $argv);
		1229	}
		1230
		1231	sub perl_libdirs {
		1232	map { split /:/ }
		1233	$_[0]->resource ("perl_lib"),
		1234	$ENV{URXVT_PERL_LIB},
		1235	"$ENV{HOME}/.urxvt/ext",
		1236	"$LIBDIR/perl"
		1237	}
		1238
		1239	# scan for available extensions and collect their metadata
		1240	sub scan_extensions {
		1241	my ($self) = @_;
		1242
		1243	return if exists $self->{meta};
		1244
		1245	my @urxvtdirs = perl_libdirs $self;
		1246	# my @cpandirs = grep -d, map "$_/URxvt/Ext", @INC;
		1247
		1248	$self->{meta} = \my %allmeta;
		1249
		1250	# first gather extensions
		1251
		1252	my $gather = sub {
		1253	my ($dir, $core) = @_;
		1254
		1255	opendir my $fh, $dir
		1256	or return;
		1257
		1258	for my $ext (readdir $fh) {
		1259	$ext !~ /^\./
		1260	or next;
		1261
		1262	open my $fh, "<", "$dir/$ext"
		1263	or next;
		1264
		1265	-f $fh
		1266	or next;
		1267
		1268	$ext =~ s/\.uext$// or $core
		1269	or next;
		1270
		1271	my %meta = (dir => $dir);
		1272
		1273	while (<$fh>) {
		1274	if (/^#:META:(?:X_)?RESOURCE:(.*)/) {
		1275	my ($pattern, $type, $desc) = split /:/, $1;
		1276	$pattern =~ s/^%(\.|$)/$ext$1/g; # % in pattern == extension name
		1277	if ($pattern =~ /[^a-zA-Z0-9\-\.]/) {
		1278	warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n";
		1279	} else {
		1280	$meta{resource}{$pattern} = [$ext, $type, $desc];
		1281	}
		1282
		1283	} elsif (/^#:META:OSC:([0-9]+):(.*)/) {
		1284	push @{$allmeta{autoload_osc}{$1}}, [$ext, $2];
		1285
		1286	} elsif (/^#:META:OSC_PERL:([^:]+):(.*)/) {
		1287	push @{$allmeta{autoload_osc_perl}{$1}}, [$ext, $2];
		1288
		1289	} elsif (/^\s*(?:#|$)/) {
		1290	# skip other comments and empty lines
		1291
		1292	} else {
		1293	last; # stop parsing on first non-empty non-comment line
		1294	}
		1295	}
		1296
		1297	$allmeta{ext}{$ext} = \%meta;
		1298	}
		1299	};
		1300
		1301	# $gather->($_, 0) for @cpandirs;
		1302	$gather->($_, 1) for @urxvtdirs;
		1303
		1304	# and now merge resources
		1305
		1306	$allmeta{resource} = \my %resource;
		1307
		1308	while (my ($k, $v) = each %{ $allmeta{ext} }) {
		1309	#TODO: should check for extensions overriding each other
		1310	%resource = (%resource, %{ $v->{resource} });
		1311	}
		1312	}
		1313
920	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]	1314	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
921		1315
922	Creates a new terminal, very similar as if you had started it with system	1316	Creates a new terminal, very similar as if you had started it with system
923	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like	1317	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
924	hash which defines the environment of the new terminal.	1318	hash which defines the environment of the new terminal.
925		1319
926	Croaks (and probably outputs an error message) if the new instance	1320	Croaks (and probably outputs an error message) if the new instance
927	couldn't be created. Returns C<undef> if the new instance didn't	1321	couldn't be created. Returns C<undef> if the new instance didn't
928	initialise perl, and the terminal object otherwise. The C<init> and	1322	initialise perl, and the terminal object otherwise. The C<init> and
929	C<start> hooks will be called during this call.	1323	C<start> hooks will be called before this call returns, and are free to
		1324	refer to global data (which is race free).
930		1325
931	=cut	1326	=cut
932		1327
933	sub new {	1328	sub new {
934	my ($class, $env, @args) = @_;	1329	my ($class, $env, @args) = @_;
935		1330
		1331	$env or Carp::croak "environment hash missing in call to urxvt::term->new";
		1332	@args or Carp::croak "name argument missing in call to urxvt::term->new";
		1333
936	_new ([ map "$_=$env->{$_}", keys %$env ], @args);	1334	_new ([ map "$_=$env->{$_}", keys %$env ], \@args);
937	}	1335	}
938		1336
939	=item $term->destroy	1337	=item $term->destroy
940		1338
941	Destroy the terminal object (close the window, free resources	1339	Destroy the terminal object (close the window, free resources
942	etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event	1340	etc.). Please note that urxvt will not exit as long as any event
943	watchers (timers, io watchers) are still active.	1341	watchers (timers, io watchers) are still active.
944		1342
945	=item $term->exec_async ($cmd[, @args])	1343	=item $term->exec_async ($cmd[, @args])
946		1344
947	Works like the combination of the C<fork>/C<exec> builtins, which executes	1345	Works like the combination of the C<fork>/C<exec> builtins, which executes
…		…
971		1369
972	Returns true if the option specified by C<$optval> is enabled, and	1370	Returns true if the option specified by C<$optval> is enabled, and
973	optionally change it. All option values are stored by name in the hash	1371	optionally change it. All option values are stored by name in the hash
974	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.	1372	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
975		1373
976	Here is a a likely non-exhaustive list of option names, please see the	1374	Here is a likely non-exhaustive list of option names, please see the
977	source file F</src/optinc.h> to see the actual list:	1375	source file F</src/optinc.h> to see the actual list:
978		1376
979	borderLess console cursorBlink cursorUnderline hold iconic insecure	1377	borderLess buffered console cursorBlink cursorUnderline hold iconic
980	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage	1378	insecure intensityStyles iso14755 iso14755_52 jumpScroll loginShell
981	override-redirect pastableTabs pointerBlank reverseVideo scrollBar	1379	mapAlert meta8 mouseWheelScrollPage override_redirect pastableTabs
982	scrollBar_floating scrollBar_right scrollTtyKeypress scrollTtyOutput	1380	pointerBlank reverseVideo scrollBar scrollBar_floating scrollBar_right
983	scrollWithBuffer secondaryScreen secondaryScroll skipBuiltinGlyphs	1381	scrollTtyKeypress scrollTtyOutput scrollWithBuffer secondaryScreen
984	transparent tripleclickwords utmpInhibit visualBell	1382	secondaryScroll skipBuiltinGlyphs skipScroll transparent tripleclickwords
		1383	urgentOnBell utmpInhibit visualBell disablePasteBrackets
985		1384
986	=item $value = $term->resource ($name[, $newval])	1385	=item $value = $term->resource ($name[, $newval])
987		1386
988	Returns the current resource value associated with a given name and	1387	Returns the current resource value associated with a given name and
989	optionally sets a new value. Setting values is most useful in the C<init>	1388	optionally sets a new value. Setting values is most useful in the C<init>
…		…
998	likely change).	1397	likely change).
999		1398
1000	Please note that resource strings will currently only be freed when the	1399	Please note that resource strings will currently only be freed when the
1001	terminal is destroyed, so changing options frequently will eat memory.	1400	terminal is destroyed, so changing options frequently will eat memory.
1002		1401
1003	Here is a a likely non-exhaustive list of resource names, not all of which	1402	Here is a likely non-exhaustive list of resource names, not all of which
1004	are supported in every build, please see the source file F</src/rsinc.h>	1403	are supported in every build, please see the source file F</src/rsinc.h>
1005	to see the actual list:	1404	to see the actual list:
1006		1405
1007	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont	1406	answerbackstring backgroundPixmap backspace_key blurradius
1008	borderLess color cursorBlink cursorUnderline cutchars delete_key	1407	boldFont boldItalicFont borderLess buffered chdir color cursorBlink
1009	display_name embed ext_bwidth fade font geometry hold iconName	1408	cursorUnderline cutchars delete_key depth display_name embed ext_bwidth
1010	imFont imLocale inputMethod insecure int_bwidth intensityStyles	1409	fade font geometry hold iconName iconfile imFont imLocale inputMethod
		1410	insecure int_bwidth intensityStyles iso14755 iso14755_52 italicFont
1011	italicFont jumpScroll lineSpace loginShell mapAlert meta8 modifier	1411	jumpScroll letterSpace lineSpace loginShell mapAlert meta8 modifier
1012	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval	1412	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
1013	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay	1413	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
1014	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar	1414	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
1015	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness	1415	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
1016	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle	1416	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
1017	secondaryScreen secondaryScroll selectstyle shade term_name title	1417	secondaryScreen secondaryScroll shade skipBuiltinGlyphs skipScroll
1018	transient_for transparent transparent_all tripleclickwords utmpInhibit	1418	term_name title transient_for transparent tripleclickwords urgentOnBell
1019	visualBell	1419	utmpInhibit visualBell rewrapMode disablePasteBrackets
1020		1420
1021	=cut	1421	=cut
1022		1422
1023	sub resource($$;$) {	1423	sub resource($$;$) {
1024	my ($self, $name) = (shift, shift);	1424	my ($self, $name) = (shift, shift);
1025	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);	1425	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
1026	&urxvt::term::_resource	1426	goto &urxvt::term::_resource
1027	}	1427	}
1028		1428
1029	=item $value = $term->x_resource ($pattern)	1429	=item $value = $term->x_resource ($pattern)
1030		1430
1031	Returns the X-Resource for the given pattern, excluding the program or	1431	Returns the X-Resource for the given pattern, excluding the program or
1032	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the	1432	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
1033	same value as used by this instance of rxvt-unicode. Returns C<undef> if no	1433	same value as used by this instance of rxvt-unicode. Returns C<undef> if no
1034	resource with that pattern exists.	1434	resource with that pattern exists.
1035		1435
		1436	Extensions that define extra resources also need to call this method
		1437	to access their values.
		1438
		1439	If the method is called on an extension object (basically, from an
		1440	extension), then the special prefix C<%.> will be replaced by the name of
		1441	the extension and a dot, and the lone string C<%> will be replaced by the
		1442	extension name itself. This makes it possible to code extensions so you
		1443	can rename them and get a new set of resources without having to change
		1444	the actual code.
		1445
1036	This method should only be called during the C<on_start> hook, as there is	1446	This method should only be called during the C<on_start> hook, as there is
1037	only one resource database per display, and later invocations might return	1447	only one resource database per display, and later invocations might return
1038	the wrong resources.	1448	the wrong resources.
1039		1449
1040	=item $success = $term->parse_keysym ($keysym_spec, $command_string)	1450	=item $value = $term->x_resource_boolean ($pattern)
1041		1451
		1452	Like C<x_resource>, above, but interprets the string value as a boolean
		1453	and returns C<1> for true values, C<0> for false values and C<undef> if
		1454	the resource or option isn't specified.
		1455
		1456	You should always use this method to parse boolean resources.
		1457
		1458	=cut
		1459
		1460	sub x_resource_boolean {
		1461	my $res = &x_resource;
		1462
		1463	$res =~ /^\s*(?:true|yes|on|1)\s*$/i ? 1 : defined $res && 0
		1464	}
		1465
		1466	=item $action = $term->lookup_keysym ($keysym, $state)
		1467
		1468	Returns the action bound to key combination C<($keysym, $state)>,
		1469	if a binding for it exists, and C<undef> otherwise.
		1470
		1471	=item $success = $term->bind_action ($key, $action)
		1472
1042	Adds a keymap translation exactly as specified via a resource. See the	1473	Adds a key binding exactly as specified via a C<keysym> resource. See the
1043	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.	1474	C<keysym> resource in the urxvt(1) manpage.
		1475
		1476	To add default bindings for actions, an extension should call C<<
		1477	->bind_action >> in its C<init> hook for every such binding. Doing it
		1478	in the C<init> hook allows users to override or remove the binding
		1479	again.
		1480
		1481	Example: the C<searchable-scrollback> by default binds itself
		1482	on C<Meta-s>, using C<< $self->bind_action >>, which calls C<<
		1483	$term->bind_action >>.
		1484
		1485	sub init {
		1486	my ($self) = @_;
		1487
		1488	$self->bind_action ("M-s" => "%:start");
		1489	}
1044		1490
1045	=item $rend = $term->rstyle ([$new_rstyle])	1491	=item $rend = $term->rstyle ([$new_rstyle])
1046		1492
1047	Return and optionally change the current rendition. Text that is output by	1493	Return and optionally change the current rendition. Text that is output by
1048	the terminal application will use this style.	1494	the terminal application will use this style.
…		…
1056		1502
1057	=item ($row, $col) = $term->selection_beg ([$row, $col])	1503	=item ($row, $col) = $term->selection_beg ([$row, $col])
1058		1504
1059	=item ($row, $col) = $term->selection_end ([$row, $col])	1505	=item ($row, $col) = $term->selection_end ([$row, $col])
1060		1506
1061	Return the current values of the selection mark, begin or end positions,	1507	Return the current values of the selection mark, begin or end positions.
1062	and optionally set them to new values.	1508
		1509	When arguments are given, then the selection coordinates are set to
		1510	C<$row> and C<$col>, and the selection screen is set to the current
		1511	screen.
		1512
		1513	=item $screen = $term->selection_screen ([$screen])
		1514
		1515	Returns the current selection screen, and then optionally sets it.
1063		1516
1064	=item $term->selection_make ($eventtime[, $rectangular])	1517	=item $term->selection_make ($eventtime[, $rectangular])
1065		1518
1066	Tries to make a selection as set by C<selection_beg> and	1519	Tries to make a selection as set by C<selection_beg> and
1067	C<selection_end>. If C<$rectangular> is true (default: false), a	1520	C<selection_end>. If C<$rectangular> is true (default: false), a
1068	rectangular selection will be made. This is the prefered function to make	1521	rectangular selection will be made. This is the preferred function to make
1069	a selection.	1522	a selection.
1070		1523
1071	=item $success = $term->selection_grab ($eventtime)	1524	=item $success = $term->selection_grab ($eventtime[, $clipboard])
1072		1525
1073	Try to request the primary selection text from the server (for example, as	1526	Try to acquire ownership of the primary (clipboard if C<$clipboard> is
		1527	true) selection from the server. The corresponding text can be set
1074	set by the next method). No visual feedback will be given. This function	1528	with the next method. No visual feedback will be given. This function
1075	is mostly useful from within C<on_sel_grab> hooks.	1529	is mostly useful from within C<on_sel_grab> hooks.
1076		1530
1077	=item $oldtext = $term->selection ([$newtext])	1531	=item $oldtext = $term->selection ([$newtext, $clipboard])
1078		1532
1079	Return the current selection text and optionally replace it by C<$newtext>.	1533	Return the current selection (clipboard if C<$clipboard> is true) text
		1534	and optionally replace it by C<$newtext>.
		1535
		1536	=item $term->selection_clear ([$clipboard])
		1537
		1538	Revoke ownership of the primary (clipboard if C<$clipboard> is true) selection.
1080		1539
1081	=item $term->overlay_simple ($x, $y, $text)	1540	=item $term->overlay_simple ($x, $y, $text)
1082		1541
1083	Create a simple multi-line overlay box. See the next method for details.	1542	Create a simple multi-line overlay box. See the next method for details.
1084		1543
…		…
1112	This method returns an urxvt::overlay object. The overlay will be visible	1571	This method returns an urxvt::overlay object. The overlay will be visible
1113	as long as the perl object is referenced.	1572	as long as the perl object is referenced.
1114		1573
1115	The methods currently supported on C<urxvt::overlay> objects are:	1574	The methods currently supported on C<urxvt::overlay> objects are:
1116		1575
1117	=over 4	1576	=over
1118		1577
1119	=item $overlay->set ($x, $y, $text, $rend)	1578	=item $overlay->set ($x, $y, $text[, $rend])
1120		1579
1121	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts	1580	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts
1122	text in rxvt-unicode's special encoding and an array of rendition values	1581	text in rxvt-unicode's special encoding and an array of rendition values
1123	at a specific position inside the overlay.	1582	at a specific position inside the overlay.
		1583
		1584	If C<$rend> is missing, then the rendition will not be changed.
1124		1585
1125	=item $overlay->hide	1586	=item $overlay->hide
1126		1587
1127	If visible, hide the overlay, but do not destroy it.	1588	If visible, hide the overlay, but do not destroy it.
1128		1589
…		…
1164	Returns the number of screen-cells this string would need. Correctly	1625	Returns the number of screen-cells this string would need. Correctly
1165	accounts for wide and combining characters.	1626	accounts for wide and combining characters.
1166		1627
1167	=item $octets = $term->locale_encode ($string)	1628	=item $octets = $term->locale_encode ($string)
1168		1629
1169	Convert the given text string into the corresponding locale encoding.	1630	Convert the given text string into the corresponding locale
		1631	encoding. Returns C<undef> if C<$string> is C<undef>.
1170		1632
1171	=item $string = $term->locale_decode ($octets)	1633	=item $string = $term->locale_decode ($octets)
1172		1634
1173	Convert the given locale-encoded octets into a perl string.	1635	Convert the given locale-encoded octets into a perl string. Returns
		1636	C<undef> if C<$octets> is C<undef>.
1174		1637
1175	=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])	1638	=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])
1176		1639
1177	XORs the rendition values in the given span with the provided value	1640	XORs the rendition values in the given span with the provided value
1178	(default: C<RS_RVid>), which I<MUST NOT> contain font styles. Useful in	1641	(default: C<RS_RVid>), which I<MUST NOT> contain font styles. Useful in
…		…
1191		1654
1192	=item $term->scr_add_lines ($string)	1655	=item $term->scr_add_lines ($string)
1193		1656
1194	Write the given text string to the screen, as if output by the application	1657	Write the given text string to the screen, as if output by the application
1195	running inside the terminal. It may not contain command sequences (escape	1658	running inside the terminal. It may not contain command sequences (escape
1196	codes), but is free to use line feeds, carriage returns and tabs. The	1659	codes - see C<cmd_parse> for that), but is free to use line feeds,
1197	string is a normal text string, not in locale-dependent encoding.	1660	carriage returns and tabs. The string is a normal text string, not in
		1661	locale-dependent encoding.
1198		1662
1199	Normally its not a good idea to use this function, as programs might be	1663	Normally its not a good idea to use this function, as programs might be
1200	confused by changes in cursor position or scrolling. Its useful inside a	1664	confused by changes in cursor position or scrolling. Its useful inside a
1201	C<on_add_lines> hook, though.	1665	C<on_add_lines> hook, though.
1202		1666
		1667	=item $term->scr_change_screen ($screen)
		1668
		1669	Switch to given screen - 0 primary, 1 secondary.
		1670
1203	=item $term->cmd_parse ($octets)	1671	=item $term->cmd_parse ($octets)
1204		1672
1205	Similar to C<scr_add_lines>, but the argument must be in the	1673	Similar to C<scr_add_lines>, but the argument must be in the
1206	locale-specific encoding of the terminal and can contain command sequences	1674	locale-specific encoding of the terminal and can contain command sequences
1207	(escape codes) that will be interpreted.	1675	(escape codes) that will be interpreted.
1208		1676
1209	=item $term->tt_write ($octets)	1677	=item $term->tt_write ($octets)
1210		1678
1211	Write the octets given in C<$data> to the tty (i.e. as program input). To	1679	Write the octets given in C<$octets> to the tty (i.e. as user input
		1680	to the program, see C<cmd_parse> for the opposite direction). To pass
1212	pass characters instead of octets, you should convert your strings first	1681	characters instead of octets, you should convert your strings first to the
1213	to the locale-specific encoding using C<< $term->locale_encode >>.	1682	locale-specific encoding using C<< $term->locale_encode >>.
		1683
		1684	=item $term->tt_write_user_input ($octets)
		1685
		1686	Like C<tt_write>, but should be used when writing strings in response to
		1687	the user pressing a key, to invoke the additional actions requested by
		1688	the user for that case (C<tt_write> doesn't do that).
		1689
		1690	The typical use case would be inside C<on_action> hooks.
		1691
		1692	=item $term->tt_paste ($octets)
		1693
		1694	Write the octets given in C<$octets> to the tty as a paste, converting NL to
		1695	CR and bracketing the data with control sequences if bracketed paste mode
		1696	is set.
1214		1697
1215	=item $old_events = $term->pty_ev_events ([$new_events])	1698	=item $old_events = $term->pty_ev_events ([$new_events])
1216		1699
1217	Replaces the event mask of the pty watcher by the given event mask. Can	1700	Replaces the event mask of the pty watcher by the given event mask. Can
1218	be used to suppress input and output handling to the pty/tty. See the	1701	be used to suppress input and output handling to the pty/tty. See the
1219	description of C<< urxvt::timer->events >>. Make sure to always restore	1702	description of C<< urxvt::timer->events >>. Make sure to always restore
1220	the previous value.	1703	the previous value.
1221		1704
		1705	=item $fd = $term->pty_fd
		1706
		1707	Returns the master file descriptor for the pty in use, or C<-1> if no pty
		1708	is used.
		1709
1222	=item $windowid = $term->parent	1710	=item $windowid = $term->parent
1223		1711
1224	Return the window id of the toplevel window.	1712	Return the window id of the toplevel window.
1225		1713
1226	=item $windowid = $term->vt	1714	=item $windowid = $term->vt
…		…
1232	Adds the specified events to the vt event mask. Useful e.g. when you want	1720	Adds the specified events to the vt event mask. Useful e.g. when you want
1233	to receive pointer events all the times:	1721	to receive pointer events all the times:
1234		1722
1235	$term->vt_emask_add (urxvt::PointerMotionMask);	1723	$term->vt_emask_add (urxvt::PointerMotionMask);
1236		1724
		1725	=item $term->set_urgency ($set)
		1726
		1727	Enable/disable the urgency hint on the toplevel window.
		1728
		1729	=item $term->focus_in
		1730
		1731	=item $term->focus_out
		1732
		1733	=item $term->key_press ($state, $keycode[, $time])
		1734
		1735	=item $term->key_release ($state, $keycode[, $time])
		1736
		1737	Deliver various fake events to to terminal.
		1738
1237	=item $window_width = $term->width	1739	=item $window_width = $term->width ([$new_value])
1238		1740
1239	=item $window_height = $term->height	1741	=item $window_height = $term->height ([$new_value])
1240		1742
1241	=item $font_width = $term->fwidth	1743	=item $font_width = $term->fwidth ([$new_value])
1242		1744
1243	=item $font_height = $term->fheight	1745	=item $font_height = $term->fheight ([$new_value])
1244		1746
1245	=item $font_ascent = $term->fbase	1747	=item $font_ascent = $term->fbase ([$new_value])
1246		1748
1247	=item $terminal_rows = $term->nrow	1749	=item $terminal_rows = $term->nrow ([$new_value])
1248		1750
1249	=item $terminal_columns = $term->ncol	1751	=item $terminal_columns = $term->ncol ([$new_value])
1250		1752
1251	=item $has_focus = $term->focus	1753	=item $has_focus = $term->focus ([$new_value])
1252		1754
1253	=item $is_mapped = $term->mapped	1755	=item $is_mapped = $term->mapped ([$new_value])
1254		1756
1255	=item $max_scrollback = $term->saveLines	1757	=item $max_scrollback = $term->saveLines ([$new_value])
1256		1758
1257	=item $nrow_plus_saveLines = $term->total_rows	1759	=item $nrow_plus_saveLines = $term->total_rows ([$new_value])
1258		1760
1259	=item $topmost_scrollback_row = $term->top_row	1761	=item $topmost_scrollback_row = $term->top_row ([$new_value])
1260		1762
1261	Return various integers describing terminal characteristics.	1763	Return various integers describing terminal characteristics. If an
		1764	argument is given, changes the value and returns the previous one.
1262		1765
1263	=item $x_display = $term->display_id	1766	=item $x_display = $term->display_id
1264		1767
1265	Return the DISPLAY used by rxvt-unicode.	1768	Return the DISPLAY used by rxvt-unicode.
1266		1769
…		…
1271	=item $env = $term->env	1774	=item $env = $term->env
1272		1775
1273	Returns a copy of the environment in effect for the terminal as a hashref	1776	Returns a copy of the environment in effect for the terminal as a hashref
1274	similar to C<\%ENV>.	1777	similar to C<\%ENV>.
1275		1778
		1779	=item @envv = $term->envv
		1780
		1781	Returns the environment as array of strings of the form C<VAR=VALUE>.
		1782
		1783	=item @argv = $term->argv
		1784
		1785	Return the argument vector as this terminal, similar to @ARGV, but
		1786	includes the program name as first element.
		1787
1276	=cut	1788	=cut
1277		1789
1278	sub env {	1790	sub env {
1279	if (my $env = $_[0]->_env) {
1280	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), @$env }	1791	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), $_[0]->envv }
1281	} else {
1282	+{ %ENV }
1283	}
1284	}	1792	}
1285		1793
1286	=item $modifiermask = $term->ModLevel3Mask	1794	=item $modifiermask = $term->ModLevel3Mask
1287		1795
1288	=item $modifiermask = $term->ModMetaMask	1796	=item $modifiermask = $term->ModMetaMask
…		…
1290	=item $modifiermask = $term->ModNumLockMask	1798	=item $modifiermask = $term->ModNumLockMask
1291		1799
1292	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often	1800	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
1293	AltGr), the meta key (often Alt) and the num lock key, if applicable.	1801	AltGr), the meta key (often Alt) and the num lock key, if applicable.
1294		1802
		1803	=item $screen = $term->current_screen
		1804
		1805	Returns the currently displayed screen (0 primary, 1 secondary).
		1806
		1807	=item $cursor_is_hidden = $term->hidden_cursor
		1808
		1809	Returns whether the cursor is currently hidden or not.
		1810
		1811	=item $priv_modes = $term->priv_modes
		1812
		1813	Returns a bitset with the state of DEC private modes.
		1814
		1815	Example:
		1816
		1817	if ($term->priv_modes & urxvt::PrivMode_mouse_report) {
		1818	# mouse reporting is turned on
		1819	}
		1820
1295	=item $view_start = $term->view_start ([$newvalue])	1821	=item $view_start = $term->view_start ([$newvalue])
1296		1822
1297	Returns the row number of the topmost displayed line. Maximum value is	1823	Returns the row number of the topmost displayed line and changes it,
1298	C<0>, which displays the normal terminal contents. Lower values scroll	1824	if an argument is given. Values greater than or equal to C<0> display
1299	this many lines into the scrollback buffer.	1825	the terminal contents. Lower values scroll this many lines into the
		1826	scrollback buffer.
1300		1827
1301	=item $term->want_refresh	1828	=item $term->want_refresh
1302		1829
1303	Requests a screen refresh. At the next opportunity, rxvt-unicode will	1830	Requests a screen refresh. At the next opportunity, rxvt-unicode will
1304	compare the on-screen display with its stored representation. If they	1831	compare the on-screen display with its stored representation. If they
1305	differ, it redraws the differences.	1832	differ, it redraws the differences.
1306		1833
1307	Used after changing terminal contents to display them.	1834	Used after changing terminal contents to display them.
1308		1835
		1836	=item $term->refresh_check
		1837
		1838	Checks if a refresh has been requested and, if so, schedules one.
		1839
1309	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])	1840	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
1310		1841
1311	Returns the text of the entire row with number C<$row_number>. Row C<0>	1842	Returns the text of the entire row with number C<$row_number>. Row C<< $term->top_row >>
1312	is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost	1843	is the topmost terminal line, row C<< $term->nrow-1 >> is the bottommost
1313	terminal line. The scrollback buffer starts at line C<-1> and extends to
1314	line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line	1844	terminal line. Nothing will be returned if a nonexistent line
1315	is requested.	1845	is requested.
1316		1846
1317	If C<$new_text> is specified, it will replace characters in the current	1847	If C<$new_text> is specified, it will replace characters in the current
1318	line, starting at column C<$start_col> (default C<0>), which is useful	1848	line, starting at column C<$start_col> (default C<0>), which is useful
1319	to replace only parts of a line. The font index in the rendition will	1849	to replace only parts of a line. The font index in the rendition will
1320	automatically be updated.	1850	automatically be updated.
1321		1851
1322	C<$text> is in a special encoding: tabs and wide characters that use more	1852	C<$text> is in a special encoding: tabs and wide characters that use more
1323	than one cell when displayed are padded with urxvt::NOCHAR characters	1853	than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
1324	(C<chr 65535>). Characters with combining characters and other characters	1854	characters. Characters with combining characters and other characters that
1325	that do not fit into the normal tetx encoding will be replaced with	1855	do not fit into the normal text encoding will be replaced with characters
1326	characters in the private use area.	1856	in the private use area.
1327		1857
1328	You have to obey this encoding when changing text. The advantage is	1858	You have to obey this encoding when changing text. The advantage is
1329	that C<substr> and similar functions work on screen cells and not on	1859	that C<substr> and similar functions work on screen cells and not on
1330	characters.	1860	characters.
1331		1861
…		…
1359		1889
1360	Create and return a new C<urxvt::line> object that stores information	1890	Create and return a new C<urxvt::line> object that stores information
1361	about the logical line that row C<$row_number> is part of. It supports the	1891	about the logical line that row C<$row_number> is part of. It supports the
1362	following methods:	1892	following methods:
1363		1893
1364	=over 4	1894	=over
1365		1895
1366	=item $text = $line->t ([$new_text])	1896	=item $text = $line->t ([$new_text])
1367		1897
1368	Returns or replaces the full text of the line, similar to C<ROW_t>	1898	Returns or replaces the full text of the line, similar to C<ROW_t>
1369		1899
…		…
1415	}	1945	}
1416		1946
1417	sub urxvt::line::t {	1947	sub urxvt::line::t {
1418	my ($self) = @_;	1948	my ($self) = @_;
1419		1949
1420	if (@_ > 1)	1950	if (@_ > 1) {
1421	{
1422	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1951	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1423	for $self->{beg} .. $self->{end};	1952	for $self->{beg} .. $self->{end};
1424	}	1953	}
1425		1954
1426	defined wantarray &&	1955	defined wantarray &&
1427	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),	1956	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),
1428	0, $self->{len}	1957	0, $self->{len}
1429	}	1958	}
1430		1959
1431	sub urxvt::line::r {	1960	sub urxvt::line::r {
1432	my ($self) = @_;	1961	my ($self) = @_;
1433		1962
1434	if (@_ > 1)	1963	if (@_ > 1) {
1435	{
1436	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1964	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1437	for $self->{beg} .. $self->{end};	1965	for $self->{beg} .. $self->{end};
1438	}	1966	}
1439		1967
1440	if (defined wantarray) {	1968	if (defined wantarray) {
1441	my $rend = [	1969	my $rend = [
1442	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}	1970	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}
1443	];	1971	];
…		…
1475	where one character corresponds to one screen cell. See	2003	where one character corresponds to one screen cell. See
1476	C<< $term->ROW_t >> for details.	2004	C<< $term->ROW_t >> for details.
1477		2005
1478	=item $string = $term->special_decode $text	2006	=item $string = $term->special_decode $text
1479		2007
1480	Converts rxvt-unicodes text reprsentation into a perl string. See	2008	Converts rxvt-unicode's text representation into a perl string. See
1481	C<< $term->ROW_t >> for details.	2009	C<< $term->ROW_t >> for details.
1482		2010
1483	=item $success = $term->grab_button ($button, $modifiermask)	2011	=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
1484		2012
		2013	=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
		2014
1485	Registers a synchronous button grab. See the XGrabButton manpage.	2015	Register/unregister a synchronous button grab. See the XGrabButton
		2016	manpage.
1486		2017
1487	=item $success = $term->grab ($eventtime[, $sync])	2018	=item $success = $term->grab ($eventtime[, $sync])
1488		2019
1489	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or	2020	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1490	synchronous (C<$sync> is true). Also remembers the grab timestampe.	2021	synchronous (C<$sync> is true). Also remembers the grab timestamp.
1491		2022
1492	=item $term->allow_events_async	2023	=item $term->allow_events_async
1493		2024
1494	Calls XAllowEvents with AsyncBoth for the most recent grab.	2025	Calls XAllowEvents with AsyncBoth for the most recent grab.
1495		2026
…		…
1502	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most	2033	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
1503	recent grab.	2034	recent grab.
1504		2035
1505	=item $term->ungrab	2036	=item $term->ungrab
1506		2037
1507	Calls XUngrab for the most recent grab. Is called automatically on	2038	Calls XUngrabPointer and XUngrabKeyboard for the most recent grab. Is called automatically on
1508	evaluation errors, as it is better to lose the grab in the error case as	2039	evaluation errors, as it is better to lose the grab in the error case as
1509	the session.	2040	the session.
1510		2041
		2042	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
		2043
		2044	=item $atom_name = $term->XGetAtomName ($atom)
		2045
		2046	=item @atoms = $term->XListProperties ($window)
		2047
		2048	=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
		2049
		2050	=item $term->XChangeProperty ($window, $property, $type, $format, $octets)
		2051
		2052	=item $term->XDeleteProperty ($window, $property)
		2053
		2054	=item $window = $term->DefaultRootWindow
		2055
		2056	=item $term->XReparentWindow ($window, $parent, [$x, $y])
		2057
		2058	=item $term->XMapWindow ($window)
		2059
		2060	=item $term->XUnmapWindow ($window)
		2061
		2062	=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
		2063
		2064	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
		2065
		2066	=item $term->XChangeInput ($window, $add_events[, $del_events])
		2067
		2068	=item $keysym = $term->XStringToKeysym ($string)
		2069
		2070	=item $string = $term->XKeysymToString ($keysym)
		2071
		2072	Various X or X-related functions. The C<$term> object only serves as
		2073	the source of the display, otherwise those functions map more-or-less
		2074	directly onto the X functions of the same name.
		2075
1511	=back	2076	=back
1512		2077
1513	=cut	2078	=cut
1514		2079
1515	package urxvt::popup;	2080	package urxvt::popup;
1516		2081
1517	=head2 The C<urxvt::popup> Class	2082	=head2 The C<urxvt::popup> Class
1518		2083
1519	=over 4	2084	=over
1520		2085
1521	=cut	2086	=cut
1522		2087
1523	sub add_item {	2088	sub add_item {
1524	my ($self, $item) = @_;	2089	my ($self, $item) = @_;
…		…
1578	my ($self, $text, $cb) = @_;	2143	my ($self, $text, $cb) = @_;
1579		2144
1580	$self->add_item ({ type => "button", text => $text, activate => $cb});	2145	$self->add_item ({ type => "button", text => $text, activate => $cb});
1581	}	2146	}
1582		2147
1583	=item $popup->add_toggle ($text, $cb, $initial_value)	2148	=item $popup->add_toggle ($text, $initial_value, $cb)
1584		2149
1585	Adds a toggle/checkbox item to the popup. Teh callback gets called	2150	Adds a toggle/checkbox item to the popup. The callback gets called
1586	whenever it gets toggled, with a boolean indicating its value as its first	2151	whenever it gets toggled, with a boolean indicating its new value as its
1587	argument.	2152	first argument.
1588		2153
1589	=cut	2154	=cut
1590		2155
1591	sub add_toggle {	2156	sub add_toggle {
1592	my ($self, $text, $cb, $value) = @_;	2157	my ($self, $text, $value, $cb) = @_;
1593		2158
1594	my $item; $item = {	2159	my $item; $item = {
1595	type => "button",	2160	type => "button",
1596	text => " $text",	2161	text => " $text",
1597	value => $value,	2162	value => $value,
…		…
1616	my $env = $self->{term}->env;	2181	my $env = $self->{term}->env;
1617	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.	2182	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
1618	delete $env->{LC_ALL};	2183	delete $env->{LC_ALL};
1619	$env->{LC_CTYPE} = $self->{term}->locale;	2184	$env->{LC_CTYPE} = $self->{term}->locale;
1620		2185
1621	urxvt::term->new ($env, "popup",	2186	my $term = urxvt::term->new (
		2187	$env, "popup",
1622	"--perl-lib" => "", "--perl-ext-common" => "",	2188	"--perl-lib" => "", "--perl-ext-common" => "",
1623	"-pty-fd" => -1, "-sl" => 0,	2189	"-pty-fd" => -1, "-sl" => 0,
1624	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",	2190	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1625	"--transient-for" => $self->{term}->parent,	2191	"--transient-for" => $self->{term}->parent,
1626	"-display" => $self->{term}->display_id,	2192	"-display" => $self->{term}->display_id,
1627	"-pe" => "urxvt-popup")	2193	"-pe" => "urxvt-popup",
1628	or die "unable to create popup window\n";	2194	) or die "unable to create popup window\n";
		2195
		2196	unless (delete $term->{urxvt_popup_init_done}) {
		2197	$term->ungrab;
		2198	$term->destroy;
		2199	die "unable to initialise popup window\n";
		2200	}
1629	}	2201	}
1630		2202
1631	sub DESTROY {	2203	sub DESTROY {
1632	my ($self) = @_;	2204	my ($self) = @_;
1633		2205
1634	delete $self->{term}{_destroy}{$self};	2206	delete $self->{term}{_destroy}{$self};
1635	$self->{term}->ungrab;	2207	$self->{term}->ungrab;
1636	}	2208	}
1637		2209
1638	=back	2210	=back
		2211
		2212	=cut
		2213
		2214	package urxvt::watcher;
1639		2215
1640	=head2 The C<urxvt::timer> Class	2216	=head2 The C<urxvt::timer> Class
1641		2217
1642	This class implements timer watchers/events. Time is represented as a	2218	This class implements timer watchers/events. Time is represented as a
1643	fractional number of seconds since the epoch. Example:	2219	fractional number of seconds since the epoch. Example:
…		…
1647	->new	2223	->new
1648	->interval (1)	2224	->interval (1)
1649	->cb (sub {	2225	->cb (sub {
1650	$term->{overlay}->set (0, 0,	2226	$term->{overlay}->set (0, 0,
1651	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);	2227	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
1652	});	2228	});
1653		2229
1654	=over 4	2230	=over
1655		2231
1656	=item $timer = new urxvt::timer	2232	=item $timer = new urxvt::timer
1657		2233
1658	Create a new timer object in started state. It is scheduled to fire	2234	Create a new timer object in started state. It is scheduled to fire
1659	immediately.	2235	immediately.
1660		2236
1661	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })	2237	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })
1662		2238
1663	Set the callback to be called when the timer triggers.	2239	Set the callback to be called when the timer triggers.
1664		2240
1665	=item $tstamp = $timer->at
1666
1667	Return the time this watcher will fire next.
1668
1669	=item $timer = $timer->set ($tstamp)	2241	=item $timer = $timer->set ($tstamp[, $interval])
1670		2242
1671	Set the time the event is generated to $tstamp.	2243	Set the time the event is generated to $tstamp (and optionally specifies a
		2244	new $interval).
1672		2245
1673	=item $timer = $timer->interval ($interval)	2246	=item $timer = $timer->interval ($interval)
1674		2247
1675	Normally (and when C<$interval> is C<0>), the timer will automatically	2248	By default (and when C<$interval> is C<0>), the timer will automatically
1676	stop after it has fired once. If C<$interval> is non-zero, then the timer	2249	stop after it has fired once. If C<$interval> is non-zero, then the timer
1677	is automatically rescheduled at the given intervals.	2250	is automatically rescheduled at the given intervals.
1678		2251
1679	=item $timer = $timer->start	2252	=item $timer = $timer->start
1680		2253
1681	Start the timer.	2254	Start the timer.
1682		2255
1683	=item $timer = $timer->start ($tstamp)	2256	=item $timer = $timer->start ($tstamp[, $interval])
1684		2257
1685	Set the event trigger time to C<$tstamp> and start the timer.	2258	Set the event trigger time to C<$tstamp> and start the timer. Optionally
		2259	also replaces the interval.
1686		2260
1687	=item $timer = $timer->after ($delay)	2261	=item $timer = $timer->after ($delay[, $interval])
1688		2262
1689	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.	2263	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1690		2264
1691	=item $timer = $timer->stop	2265	=item $timer = $timer->stop
1692		2266
…		…
1700		2274
1701	$term->{socket} = ...	2275	$term->{socket} = ...
1702	$term->{iow} = urxvt::iow	2276	$term->{iow} = urxvt::iow
1703	->new	2277	->new
1704	->fd (fileno $term->{socket})	2278	->fd (fileno $term->{socket})
1705	->events (urxvt::EVENT_READ)	2279	->events (urxvt::EV_READ)
1706	->start	2280	->start
1707	->cb (sub {	2281	->cb (sub {
1708	my ($iow, $revents) = @_;	2282	my ($iow, $revents) = @_;
1709	# $revents must be 1 here, no need to check	2283	# $revents must be 1 here, no need to check
1710	sysread $term->{socket}, my $buf, 8192	2284	sysread $term->{socket}, my $buf, 8192
1711	or end-of-file;	2285	or end-of-file;
1712	});	2286	});
1713		2287
1714		2288
1715	=over 4	2289	=over
1716		2290
1717	=item $iow = new urxvt::iow	2291	=item $iow = new urxvt::iow
1718		2292
1719	Create a new io watcher object in stopped state.	2293	Create a new io watcher object in stopped state.
1720		2294
…		…
1723	Set the callback to be called when io events are triggered. C<$reventmask>	2297	Set the callback to be called when io events are triggered. C<$reventmask>
1724	is a bitset as described in the C<events> method.	2298	is a bitset as described in the C<events> method.
1725		2299
1726	=item $iow = $iow->fd ($fd)	2300	=item $iow = $iow->fd ($fd)
1727		2301
1728	Set the filedescriptor (not handle) to watch.	2302	Set the file descriptor (not handle) to watch.
1729		2303
1730	=item $iow = $iow->events ($eventmask)	2304	=item $iow = $iow->events ($eventmask)
1731		2305
1732	Set the event mask to watch. The only allowed values are	2306	Set the event mask to watch. The only allowed values are
1733	C<urxvt::EVENT_READ> and C<urxvt::EVENT_WRITE>, which might be ORed	2307	C<urxvt::EV_READ> and C<urxvt::EV_WRITE>, which might be ORed
1734	together, or C<urxvt::EVENT_NONE>.	2308	together, or C<urxvt::EV_NONE>.
1735		2309
1736	=item $iow = $iow->start	2310	=item $iow = $iow->start
1737		2311
1738	Start watching for requested events on the given handle.	2312	Start watching for requested events on the given handle.
1739		2313
1740	=item $iow = $iow->stop	2314	=item $iow = $iow->stop
1741		2315
1742	Stop watching for events on the given filehandle.	2316	Stop watching for events on the given file handle.
		2317
		2318	=back
		2319
		2320	=head2 The C<urxvt::iw> Class
		2321
		2322	This class implements idle watchers, that get called automatically when
		2323	the process is idle. They should return as fast as possible, after doing
		2324	some useful work.
		2325
		2326	=over
		2327
		2328	=item $iw = new urxvt::iw
		2329
		2330	Create a new idle watcher object in stopped state.
		2331
		2332	=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
		2333
		2334	Set the callback to be called when the watcher triggers.
		2335
		2336	=item $timer = $timer->start
		2337
		2338	Start the watcher.
		2339
		2340	=item $timer = $timer->stop
		2341
		2342	Stop the watcher.
		2343
		2344	=back
		2345
		2346	=head2 The C<urxvt::pw> Class
		2347
		2348	This class implements process watchers. They create an event whenever a
		2349	process exits, after which they stop automatically.
		2350
		2351	my $pid = fork;
		2352	...
		2353	$term->{pw} = urxvt::pw
		2354	->new
		2355	->start ($pid)
		2356	->cb (sub {
		2357	my ($pw, $exit_status) = @_;
		2358	...
		2359	});
		2360
		2361	=over
		2362
		2363	=item $pw = new urxvt::pw
		2364
		2365	Create a new process watcher in stopped state.
		2366
		2367	=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
		2368
		2369	Set the callback to be called when the timer triggers.
		2370
		2371	=item $pw = $timer->start ($pid)
		2372
		2373	Tells the watcher to start watching for process C<$pid>.
		2374
		2375	=item $pw = $pw->stop
		2376
		2377	Stop the watcher.
1743		2378
1744	=back	2379	=back
1745		2380
1746	=head1 ENVIRONMENT	2381	=head1 ENVIRONMENT
1747		2382
1748	=head2 URXVT_PERL_VERBOSITY	2383	=head2 URXVT_PERL_VERBOSITY
1749		2384
1750	This variable controls the verbosity level of the perl extension. Higher	2385	This variable controls the verbosity level of the perl extension. Higher
1751	numbers indicate more verbose output.	2386	numbers indicate more verbose output.
1752		2387
1753	=over 4	2388	=over
1754		2389
1755	=item == 0 - fatal messages	2390	=item == 0 - fatal messages only
		2391
		2392	=item >= 2 - general warnings (default level)
1756		2393
1757	=item >= 3 - script loading and management	2394	=item >= 3 - script loading and management
1758		2395
1759	=item >=10 - all called hooks	2396	=item >=10 - all called hooks
1760		2397
1761	=item >=11 - hook reutrn values	2398	=item >=11 - hook return values
1762		2399
1763	=back	2400	=back
1764		2401
1765	=head1 AUTHOR	2402	=head1 AUTHOR
1766		2403
1767	Marc Lehmann <pcg@goof.com>	2404	Marc Lehmann <schmorp@schmorp.de>
1768	http://software.schmorp.de/pkg/rxvt-unicode	2405	http://software.schmorp.de/pkg/rxvt-unicode
1769		2406
1770	=cut	2407	=cut
1771		2408
1772	1	2409	1
		2410
		2411	# vim: sw=3:

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