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Revision 1.144 by root, Mon Aug 7 15:59:44 2006 UTC vs.
Revision 1.220 by root, Tue Jun 19 18:17:56 2012 UTC

…		…
20	=head1 DESCRIPTION	20	=head1 DESCRIPTION
21		21
22	Every time a terminal object gets created, extension scripts specified via	22	Every time a terminal object gets created, extension scripts specified via
23	the C<perl> resource are loaded and associated with it.	23	the C<perl> resource are loaded and associated with it.
24		24
25	Scripts are compiled in a 'use strict' and 'use utf8' environment, and	25	Scripts are compiled in a 'use strict "vars"' and 'use utf8' environment, and
26	thus must be encoded as UTF-8.	26	thus must be encoded as UTF-8.
27		27
28	Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where	28	Each script will only ever be loaded once, even in @@RXVT_NAME@@d, 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<@@RXVT_LIBDIR@@/urxvt/perl/>, and the documentation can be viewed
		38	using 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	@@RXVT_NAME@@ -pe <extensionname>
39		43
40	Or by adding them to the resource for extensions loaded by default:	44	Or by adding them to the resource for extensions loaded by default:
41		45
42	URxvt.perl-ext-common: default,automove-background,selection-autotransform	46	URxvt.perl-ext-common: default,selection-autotransform
43		47
44	=over 4	48	Extensions that add command line parameters or resources on their own are
45		49	loaded automatically when used.
46	=item selection (enabled by default)
47
48	(More) intelligent selection. This extension tries to be more intelligent
49	when the user extends selections (double-click and further clicks). Right
50	now, it tries to select words, urls and complete shell-quoted
51	arguments, which is very convenient, too, if your F<ls> supports
52	C<--quoting-style=shell>.
53
54	A double-click usually selects the word under the cursor, further clicks
55	will enlarge the selection.
56
57	The selection works by trying to match a number of regexes and displaying
58	them in increasing order of length. You can add your own regexes by
59	specifying resources of the form:
60
61	URxvt.selection.pattern-0: perl-regex
62	URxvt.selection.pattern-1: perl-regex
63	...
64
65	The index number (0, 1...) must not have any holes, and each regex must
66	contain at least one pair of capturing parentheses, which will be used for
67	the match. For example, the following adds a regex that matches everything
68	between two vertical bars:
69
70	URxvt.selection.pattern-0: \\|([^|]+)\\|
71
72	Another example: Programs I use often output "absolute path: " at the
73	beginning of a line when they process multiple files. The following
74	pattern matches the filename (note, there is a single space at the very
75	end):
76
77	URxvt.selection.pattern-0: ^(/[^:]+):\
78
79	You can look at the source of the selection extension to see more
80	interesting uses, such as parsing a line from beginning to end.
81
82	This extension also offers following bindable keyboard commands:
83
84	=over 4
85
86	=item rot13
87
88	Rot-13 the selection when activated. Used via keyboard trigger:
89
90	URxvt.keysym.C-M-r: perl:selection:rot13
91
92	=back
93
94	=item option-popup (enabled by default)
95
96	Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at
97	runtime.
98
99	Other extensions can extend this popup menu by pushing a code reference
100	onto C<@{ $term->{option_popup_hook} }>, which gets called whenever the
101	popup is being displayed.
102
103	It's sole argument is the popup menu, which can be modified. It should
104	either return nothing or a string, the initial boolean value and a code
105	reference. The string will be used as button text and the code reference
106	will be called when the toggle changes, with the new boolean value as
107	first argument.
108
109	The following will add an entry C<myoption> that changes
110	C<$self->{myoption}>:
111
112	push @{ $self->{term}{option_popup_hook} }, sub {
113	("my option" => $myoption, sub { $self->{myoption} = $_[0] })
114	};
115
116	=item selection-popup (enabled by default)
117
118	Binds a popup menu to Ctrl-Button3 that lets you convert the selection
119	text into various other formats/action (such as uri unescaping, perl
120	evaluation, web-browser starting etc.), depending on content.
121
122	Other extensions can extend this popup menu by pushing a code reference
123	onto C<@{ $term->{selection_popup_hook} }>, which gets called whenever the
124	popup is being displayed.
125
126	It's sole argument is the popup menu, which can be modified. The selection
127	is in C<$_>, which can be used to decide whether to add something or not.
128	It should either return nothing or a string and a code reference. The
129	string will be used as button text and the code reference will be called
130	when the button gets activated and should transform C<$_>.
131
132	The following will add an entry C<a to b> that transforms all C<a>s in
133	the selection to C<b>s, but only if the selection currently contains any
134	C<a>s:
135
136	push @{ $self->{term}{selection_popup_hook} }, sub {
137	/a/ ? ("a to be" => sub { s/a/b/g }
138	: ()
139	};
140
141	=item searchable-scrollback<hotkey> (enabled by default)
142
143	Adds regex search functionality to the scrollback buffer, triggered
144	by a hotkey (default: C<M-s>). While in search mode, normal terminal
145	input/output is suspended and a regex is displayed at the bottom of the
146	screen.
147
148	Inputting characters appends them to the regex and continues incremental
149	search. C<BackSpace> removes a character from the regex, C<Up> and C<Down>
150	search upwards/downwards in the scrollback buffer, C<End> jumps to the
151	bottom. C<Escape> leaves search mode and returns to the point where search
152	was started, while C<Enter> or C<Return> stay at the current position and
153	additionally stores the first match in the current line into the primary
154	selection.
155
156	The regex defaults to "(?i)", resulting in a case-insensitive search. To
157	get a case-sensitive search you can delete this prefix using C<BackSpace>
158	or simply use an uppercase character which removes the "(?i)" prefix.
159
160	See L<perlre> for more info about perl regular expression syntax.
161
162	=item readline (enabled by default)
163
164	A support package that tries to make editing with readline easier. At
165	the moment, it reacts to clicking shift-left mouse button by trying to
166	move the text cursor to this position. It does so by generating as many
167	cursor-left or cursor-right keypresses as required (the this only works
168	for programs that correctly support wide characters).
169
170	To avoid too many false positives, this is only done when:
171
172	=over 4
173
174	=item - the tty is in ICANON state.
175
176	=item - the text cursor is visible.
177
178	=item - the primary screen is currently being displayed.
179
180	=item - the mouse is on the same (multi-row-) line as the text cursor.
181
182	=back
183
184	The normal selection mechanism isn't disabled, so quick successive clicks
185	might interfere with selection creation in harmless ways.
186
187	=item selection-autotransform
188
189	This selection allows you to do automatic transforms on a selection
190	whenever a selection is made.
191
192	It works by specifying perl snippets (most useful is a single C<s///>
193	operator) that modify C<$_> as resources:
194
195	URxvt.selection-autotransform.0: transform
196	URxvt.selection-autotransform.1: transform
197	...
198
199	For example, the following will transform selections of the form
200	C<filename:number>, often seen in compiler messages, into C<vi +$filename
201	$word>:
202
203	URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/
204
205	And this example matches the same,but replaces it with vi-commands you can
206	paste directly into your (vi :) editor:
207
208	URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/:e \\Q$1\\E\\x0d:$2\\x0d/
209
210	Of course, this can be modified to suit your needs and your editor :)
211
212	To expand the example above to typical perl error messages ("XXX at
213	FILENAME line YYY."), you need a slightly more elaborate solution:
214
215	URxvt.selection.pattern-0: ( at .*? line \\d+[,.])
216	URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)[,.]$/:e \\Q$1\E\\x0d:$2\\x0d/
217
218	The first line tells the selection code to treat the unchanging part of
219	every error message as a selection pattern, and the second line transforms
220	the message into vi commands to load the file.
221
222	=item tabbed
223
224	This transforms the terminal into a tabbar with additional terminals, that
225	is, it implements what is commonly referred to as "tabbed terminal". The topmost line
226	displays a "[NEW]" button, which, when clicked, will add a new tab, followed by one
227	button per tab.
228
229	Clicking a button will activate that tab. Pressing B<Shift-Left> and
230	B<Shift-Right> will switch to the tab left or right of the current one,
231	while B<Shift-Down> creates a new tab.
232
233	The tabbar itself can be configured similarly to a normal terminal, but
234	with a resource class of C<URxvt.tabbed>. In addition, it supports the
235	following four resources (shown with defaults):
236
237	URxvt.tabbed.tabbar-fg: <colour-index, default 3>
238	URxvt.tabbed.tabbar-bg: <colour-index, default 0>
239	URxvt.tabbed.tab-fg: <colour-index, default 0>
240	URxvt.tabbed.tab-bg: <colour-index, default 1>
241
242	See I<COLOR AND GRAPHICS> in the @@RXVT_NAME@@(1) manpage for valid
243	indices.
244
245	=item mark-urls
246
247	Uses per-line display filtering (C<on_line_update>) to underline urls and
248	make them clickable. When middle-clicked, the program specified in the
249	resource C<urlLauncher> (default C<x-www-browser>) will be started with
250	the URL as first argument.
251
252	=item xim-onthespot
253
254	This (experimental) perl extension implements OnTheSpot editing. It does
255	not work perfectly, and some input methods don't seem to work well with
256	OnTheSpot editing in general, but it seems to work at leats for SCIM and
257	kinput2.
258
259	You enable it by specifying this extension and a preedit style of
260	C<OnTheSpot>, i.e.:
261
262	@@RXVT_NAME@@ -pt OnTheSpot -pe xim-onthespot
263
264	=item kuake<hotkey>
265
266	A very primitive quake-console-like extension. It was inspired by a
267	description of how the programs C<kuake> and C<yakuake> work: Whenever the
268	user presses a global accelerator key (by default C<F10>), the terminal
269	will show or hide itself. Another press of the accelerator key will hide
270	or show it again.
271
272	Initially, the window will not be shown when using this extension.
273
274	This is useful if you need a single terminal thats not using any desktop
275	space most of the time but is quickly available at the press of a key.
276
277	The accelerator key is grabbed regardless of any modifiers, so this
278	extension will actually grab a physical key just for this function.
279
280	If you want a quake-like animation, tell your window manager to do so
281	(fvwm can do it).
282
283	=item automove-background
284
285	This is basically a very small extension that dynamically changes the
286	background pixmap offset to the window position, in effect creating the
287	same effect as pseudo transparency with a custom pixmap. No scaling is
288	supported in this mode. Example:
289
290	@@RXVT_NAME@@ -pixmap background.xpm -pe automove-background
291
292	=item block-graphics-to-ascii
293
294	A not very useful example of filtering all text output to the terminal
295	by replacing all line-drawing characters (U+2500 .. U+259F) by a
296	similar-looking ascii character.
297
298	=item digital-clock
299
300	Displays a digital clock using the built-in overlay.
301
302	=item remote-clipboard
303
304	Somewhat of a misnomer, this extension adds two menu entries to the
305	selection popup that allows one ti run external commands to store the
306	selection somewhere and fetch it again.
307
308	We use it to implement a "distributed selection mechanism", which just
309	means that one command uploads the file to a remote server, and another
310	reads it.
311
312	The commands can be set using the C<URxvt.remote-selection.store> and
313	C<URxvt.remote-selection.fetch> resources. The first should read the
314	selection to store from STDIN (always in UTF-8), the second should provide
315	the selection data on STDOUT (also in UTF-8).
316
317	The defaults (which are likely useless to you) use rsh and cat:
318
319	URxvt.remote-selection.store: rsh ruth 'cat >/tmp/distributed-selection'
320	URxvt.remote-selection.fetch: rsh ruth 'cat /tmp/distributed-selection'
321
322	=item selection-pastebin
323
324	This is a little rarely useful extension that Uploads the selection as
325	textfile to a remote site (or does other things). (The implementation is
326	not currently secure for use in a multiuser environment as it writes to
327	F</tmp> directly.).
328
329	It listens to the C<selection-pastebin:remote-pastebin> keyboard command,
330	i.e.
331
332	URxvt.keysym.C-M-e: perl:selection-pastebin:remote-pastebin
333
334	Pressing this combination runs a command with C<%> replaced by the name of
335	the textfile. This command can be set via a resource:
336
337	URxvt.selection-pastebin.cmd: rsync -apP % ruth:/var/www/www.ta-sa.org/files/txt/.
338
339	And the default is likely not useful to anybody but the few people around
340	here :)
341
342	The name of the textfile is the hex encoded md5 sum of the selection, so
343	the same content should lead to the same filename.
344
345	After a successful upload the selection will be replaced by the text given
346	in the C<selection-pastebin-url> resource (again, the % is the placeholder
347	for the filename):
348
349	URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/%
350
351	=item example-refresh-hooks
352
353	Displays a very simple digital clock in the upper right corner of the
354	window. Illustrates overwriting the refresh callbacks to create your own
355	overlays or changes.
356
357	=back
358		50
359	=head1 API DOCUMENTATION	51	=head1 API DOCUMENTATION
360		52
361	=head2 General API Considerations	53	=head2 General API Considerations
362		54
…		…
376		68
377	=over 4	69	=over 4
378		70
379	=item $text	71	=item $text
380		72
381	Rxvt-unicodes special way of encoding text, where one "unicode" character	73	Rxvt-unicode's special way of encoding text, where one "unicode" character
382	always represents one screen cell. See L<ROW_t> for a discussion of this format.	74	always represents one screen cell. See L<ROW_t> for a discussion of this format.
383		75
384	=item $string	76	=item $string
385		77
386	A perl text string, with an emphasis on I<text>. It can store all unicode	78	A perl text string, with an emphasis on I<text>. It can store all unicode
…		…
390	=item $octets	82	=item $octets
391		83
392	Either binary data or - more common - a text string encoded in a	84	Either binary data or - more common - a text string encoded in a
393	locale-specific way.	85	locale-specific way.
394		86
		87	=item $keysym
		88
		89	an integer that is a valid X11 keysym code. You can convert a string
		90	into a keysym and viceversa by using C<XStringToKeysym> and
		91	C<XKeysymToString>.
		92
395	=back	93	=back
396		94
397	=head2 Extension Objects	95	=head2 Extension Objects
398		96
399	Every perl extension is a perl class. A separate perl object is created	97	Every perl extension is a perl class. A separate perl object is created
400	for each terminal and each extension and passed as the first parameter to	98	for each terminal, and each terminal has its own set of extension objects,
401	hooks. So extensions can use their C<$self> object without having to think	99	which are passed as the first parameter to hooks. So extensions can use
402	about other extensions, with the exception of methods and members that	100	their C<$self> object without having to think about clashes with other
		101	extensions or other terminals, with the exception of methods and members
403	begin with an underscore character C<_>: these are reserved for internal	102	that begin with an underscore character C<_>: these are reserved for
404	use.	103	internal use.
405		104
406	Although it isn't a C<urxvt::term> object, you can call all methods of the	105	Although it isn't a C<urxvt::term> object, you can call all methods of the
407	C<urxvt::term> class on this object.	106	C<urxvt::term> class on this object.
408		107
409	It has the following methods and data members:	108	It has the following methods and data members:
…		…
413	=item $urxvt_term = $self->{term}	112	=item $urxvt_term = $self->{term}
414		113
415	Returns the C<urxvt::term> object associated with this instance of the	114	Returns the C<urxvt::term> object associated with this instance of the
416	extension. This member I<must not> be changed in any way.	115	extension. This member I<must not> be changed in any way.
417		116
418	=item $self->enable ($hook_name => $cb, [$hook_name => $cb..])	117	=item $self->enable ($hook_name => $cb[, $hook_name => $cb..])
419		118
420	Dynamically enable the given hooks (named without the C<on_> prefix) for	119	Dynamically enable the given hooks (named without the C<on_> prefix) for
421	this extension, replacing any previous hook. This is useful when you want	120	this extension, replacing any previous hook. This is useful when you want
422	to overwrite time-critical hooks only temporarily.	121	to overwrite time-critical hooks only temporarily.
423		122
		123	To install additional callbacks for the same hook, you cna use the C<on>
		124	method of the C<urxvt::term> class.
		125
424	=item $self->disable ($hook_name[, $hook_name..])	126	=item $self->disable ($hook_name[, $hook_name..])
425		127
426	Dynamically disable the given hooks.	128	Dynamically disable the given hooks.
		129
		130	=item $self->x_resource ($pattern)
		131
		132	=item $self->x_resource_boolean ($pattern)
		133
		134	These methods support an additional C<%> prefix when called on an
		135	extension object - see the description of these methods in the
		136	C<urxvt::term> class for details.
427		137
428	=back	138	=back
429		139
430	=head2 Hooks	140	=head2 Hooks
431		141
…		…
519		229
520	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,	230	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,
521	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total	231	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total
522	number of lines that will be in the scrollback buffer.	232	number of lines that will be in the scrollback buffer.
523		233
524	=item on_osc_seq $term, $op, $args	234	=item on_osc_seq $term, $op, $args, $resp
525		235
526	Called on every OSC sequence and can be used to suppress it or modify its	236	Called on every OSC sequence and can be used to suppress it or modify its
527	behaviour. The default should be to return an empty list. A true value	237	behaviour. The default should be to return an empty list. A true value
528	suppresses execution of the request completely. Make sure you don't get	238	suppresses execution of the request completely. Make sure you don't get
529	confused by recursive invocations when you output an osc sequence within	239	confused by recursive invocations when you output an OSC sequence within
530	this callback.	240	this callback.
531		241
532	C<on_osc_seq_perl> should be used for new behaviour.	242	C<on_osc_seq_perl> should be used for new behaviour.
533		243
534	=item on_osc_seq_perl $term, $string	244	=item on_osc_seq_perl $term, $args, $resp
535		245
536	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =	246	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
537	operating system command) is processed. Cursor position and other state	247	operating system command) is processed. Cursor position and other state
538	information is up-to-date when this happens. For interoperability, the	248	information is up-to-date when this happens. For interoperability, the
539	string should start with the extension name and a colon, to distinguish	249	string should start with the extension name (sans -osc) and a semicolon,
540	it from commands for other extensions, and this might be enforced in the	250	to distinguish it from commands for other extensions, and this might be
541	future.	251	enforced in the future.
		252
		253	For example, C<overlay-osc> uses this:
		254
		255	sub on_osc_seq_perl {
		256	my ($self, $osc, $resp) = @_;
		257
		258	return unless $osc =~ s/^overlay;//;
		259
		260	... process remaining $osc string
		261	}
542		262
543	Be careful not ever to trust (in a security sense) the data you receive,	263	Be careful not ever to trust (in a security sense) the data you receive,
544	as its source can not easily be controlled (e-mail content, messages from	264	as its source can not easily be controlled (e-mail content, messages from
545	other users on the same system etc.).	265	other users on the same system etc.).
		266
		267	For responses, C<$resp> contains the end-of-args separator used by the
		268	sender.
546		269
547	=item on_add_lines $term, $string	270	=item on_add_lines $term, $string
548		271
549	Called whenever text is about to be output, with the text as argument. You	272	Called whenever text is about to be output, with the text as argument. You
550	can filter/change and output the text yourself by returning a true value	273	can filter/change and output the text yourself by returning a true value
…		…
555	=item on_tt_write $term, $octets	278	=item on_tt_write $term, $octets
556		279
557	Called whenever some data is written to the tty/pty and can be used to	280	Called whenever some data is written to the tty/pty and can be used to
558	suppress or filter tty input.	281	suppress or filter tty input.
559		282
		283	=item on_tt_paste $term, $octets
		284
		285	Called whenever text is about to be pasted, with the text as argument. You
		286	can filter/change and paste the text yourself by returning a true value
		287	and calling C<< $term->tt_paste >> yourself. C<$octets> is
		288	locale-encoded.
		289
560	=item on_line_update $term, $row	290	=item on_line_update $term, $row
561		291
562	Called whenever a line was updated or changed. Can be used to filter	292	Called whenever a line was updated or changed. Can be used to filter
563	screen output (e.g. underline urls or other useless stuff). Only lines	293	screen output (e.g. underline urls or other useless stuff). Only lines
564	that are being shown will be filtered, and, due to performance reasons,	294	that are being shown will be filtered, and, due to performance reasons,
…		…
571	later with the already-modified line (e.g. if unrelated parts change), so	301	later with the already-modified line (e.g. if unrelated parts change), so
572	you cannot just toggle rendition bits, but only set them.	302	you cannot just toggle rendition bits, but only set them.
573		303
574	=item on_refresh_begin $term	304	=item on_refresh_begin $term
575		305
576	Called just before the screen gets redrawn. Can be used for overlay	306	Called just before the screen gets redrawn. Can be used for overlay or
577	or similar effects by modify terminal contents in refresh_begin, and	307	similar effects by modifying the terminal contents in refresh_begin, and
578	restoring them in refresh_end. The built-in overlay and selection display	308	restoring them in refresh_end. The built-in overlay and selection display
579	code is run after this hook, and takes precedence.	309	code is run after this hook, and takes precedence.
580		310
581	=item on_refresh_end $term	311	=item on_refresh_end $term
582		312
…		…
589	resource in the @@RXVT_NAME@@(1) manpage).	319	resource in the @@RXVT_NAME@@(1) manpage).
590		320
591	The event is simply the action string. This interface is assumed to change	321	The event is simply the action string. This interface is assumed to change
592	slightly in the future.	322	slightly in the future.
593		323
		324	=item on_register_command $term, $keysym, $modifiermask, $string
		325
		326	Called after parsing a keysym resource but before registering the
		327	associated binding. If this hook returns TRUE the binding is not
		328	registered. It can be used to modify a binding by calling
		329	C<register_command>.
		330
594	=item on_resize_all_windows $tern, $new_width, $new_height	331	=item on_resize_all_windows $term, $new_width, $new_height
595		332
596	Called just after the new window size has been calculated, but before	333	Called just after the new window size has been calculated, but before
597	windows are actually being resized or hints are being set. If this hook	334	windows are actually being resized or hints are being set. If this hook
598	returns TRUE, setting of the window hints is being skipped.	335	returns TRUE, setting of the window hints is being skipped.
599		336
…		…
633		370
634	=item on_map_notify $term, $event	371	=item on_map_notify $term, $event
635		372
636	=item on_unmap_notify $term, $event	373	=item on_unmap_notify $term, $event
637		374
638	Called whenever the corresponding X event is received for the terminal If	375	Called whenever the corresponding X event is received for the terminal. If
639	the hook returns true, then the even will be ignored by rxvt-unicode.	376	the hook returns true, then the event will be ignored by rxvt-unicode.
640		377
641	The event is a hash with most values as named by Xlib (see the XEvent	378	The event is a hash with most values as named by Xlib (see the XEvent
642	manpage), with the additional members C<row> and C<col>, which are the	379	manpage), with the additional members C<row> and C<col>, which are the
643	(real, not screen-based) row and column under the mouse cursor.	380	(real, not screen-based) row and column under the mouse cursor.
644		381
…		…
654	=item on_wm_delete_window $term, $event	391	=item on_wm_delete_window $term, $event
655		392
656	Called when various types of ClientMessage events are received (all with	393	Called when various types of ClientMessage events are received (all with
657	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).	394	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
658		395
		396	=item on_bell $term
		397
		398	Called on receipt of a bell character.
		399
659	=back	400	=back
660		401
661	=cut	402	=cut
662		403
663	package urxvt;	404	package urxvt;
664		405
665	use utf8;	406	use utf8;
666	use strict;	407	use strict 'vars';
667	use Carp ();	408	use Carp ();
668	use Scalar::Util ();	409	use Scalar::Util ();
669	use List::Util ();	410	use List::Util ();
670		411
671	our $VERSION = 1;	412	our $VERSION = 1;
672	our $TERM;	413	our $TERM;
673	our @TERM_INIT;	414	our @TERM_INIT; # should go, prevents async I/O etc.
674	our @TERM_EXT;	415	our @TERM_EXT; # should go, prevents async I/O etc.
675	our @HOOKNAME;	416	our @HOOKNAME;
676	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;	417	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
677	our %OPTION;	418	our %OPTION;
678		419
679	our $LIBDIR;	420	our $LIBDIR;
…		…
727		468
728	=over 4	469	=over 4
729		470
730	=item urxvt::fatal $errormessage	471	=item urxvt::fatal $errormessage
731		472
732	Fatally aborts execution with the given error message. Avoid at all	473	Fatally aborts execution with the given error message (which should
733	costs! The only time this is acceptable is when the terminal process	474	include a trailing newline). Avoid at all costs! The only time this
734	starts up.	475	is acceptable (and useful) is in the init hook, where it prevents the
		476	terminal from starting up.
735		477
736	=item urxvt::warn $string	478	=item urxvt::warn $string
737		479
738	Calls C<rxvt_warn> with the given string which should not include a	480	Calls C<rxvt_warn> with the given string which should include a trailing
739	newline. The module also overwrites the C<warn> builtin with a function	481	newline. The module also overwrites the C<warn> builtin with a function
740	that calls this function.	482	that calls this function.
741		483
742	Using this function has the advantage that its output ends up in the	484	Using this function has the advantage that its output ends up in the
743	correct place, e.g. on stderr of the connecting urxvtc client.	485	correct place, e.g. on stderr of the connecting urxvtc client.
…		…
747	=item @terms = urxvt::termlist	489	=item @terms = urxvt::termlist
748		490
749	Returns all urxvt::term objects that exist in this process, regardless of	491	Returns all urxvt::term objects that exist in this process, regardless of
750	whether they are started, being destroyed etc., so be careful. Only term	492	whether they are started, being destroyed etc., so be careful. Only term
751	objects that have perl extensions attached will be returned (because there	493	objects that have perl extensions attached will be returned (because there
752	is no urxvt::term objet associated with others).	494	is no urxvt::term object associated with others).
753		495
754	=item $time = urxvt::NOW	496	=item $time = urxvt::NOW
755		497
756	Returns the "current time" (as per the event loop).	498	Returns the "current time" (as per the event loop).
757		499
…		…
800		542
801	=item $rend = urxvt::OVERLAY_RSTYLE	543	=item $rend = urxvt::OVERLAY_RSTYLE
802		544
803	Return the rendition mask used for overlays by default.	545	Return the rendition mask used for overlays by default.
804		546
805	=item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline	547	=item $rendbit = urxvt::RS_Bold, urxvt::RS_Italic, urxvt::RS_Blink,
		548	urxvt::RS_RVid, urxvt::RS_Uline
806		549
807	Return the bit that enabled bold, italic, blink, reverse-video and	550	Return the bit that enabled bold, italic, blink, reverse-video and
808	underline, respectively. To enable such a style, just logically OR it into	551	underline, respectively. To enable such a style, just logically OR it into
809	the bitset.	552	the bitset.
810		553
…		…
847	};	590	};
848	}	591	}
849		592
850	no warnings 'utf8';	593	no warnings 'utf8';
851		594
		595	sub parse_resource {
		596	my ($term, $name, $isarg, $longopt, $flag, $value) = @_;
		597
		598	$name =~ y/-/./ if $isarg;
		599
		600	$term->scan_meta;
		601
		602	my $r = $term->{meta}{resource};
		603	keys %$r; # reste iterator
		604	while (my ($pattern, $v) = each %$r) {
		605	if (
		606	$pattern =~ /\.$/
		607	? $pattern eq substr $name, 0, length $pattern
		608	: $pattern eq $name
		609	) {
		610	$name = "$urxvt::RESCLASS.$name";
		611
		612	push @{ $term->{perl_ext_3} }, $v->[0];
		613
		614	if ($v->[1] eq "boolean") {
		615	$term->put_option_db ($name, $flag ? "true" : "false");
		616	return 1;
		617	} else {
		618	$term->put_option_db ($name, $value);
		619	return 1 + 2;
		620	}
		621	}
		622	}
		623
		624	0
		625	}
		626
		627	sub usage {
		628	my ($term, $usage_type) = @_;
		629
		630	$term->scan_meta;
		631
		632	my $r = $term->{meta}{resource};
		633
		634	for my $pattern (sort keys %$r) {
		635	my ($ext, $type, $desc) = @{ $r->{$pattern} };
		636
		637	$desc .= " (-pe $ext)";
		638
		639	if ($usage_type == 1) {
		640	$pattern =~ y/./-/;
		641	$pattern =~ s/-$/-.../g;
		642
		643	if ($type eq "boolean") {
		644	urxvt::log sprintf " -%-30s %s\n", "/+$pattern", $desc;
		645	} else {
		646	urxvt::log sprintf " -%-30s %s\n", "$pattern $type", $desc;
		647	}
		648	} else {
		649	$pattern =~ s/\.$/.*/g;
		650	urxvt::log sprintf " %-31s %s\n", "$pattern:", $type;
		651	}
		652	}
		653	}
		654
852	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};	655	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
853		656
854	sub verbose {	657	sub verbose {
855	my ($level, $msg) = @_;	658	my ($level, $msg) = @_;
856	warn "$msg\n" if $level <= $verbosity;	659	warn "$msg\n" if $level <= $verbosity;
…		…
868	$pkg =~ s/[^[:word:]]/_/g;	671	$pkg =~ s/[^[:word:]]/_/g;
869	$pkg = "urxvt::ext::$pkg";	672	$pkg = "urxvt::ext::$pkg";
870		673
871	verbose 3, "loading extension '$path' into package '$pkg'";	674	verbose 3, "loading extension '$path' into package '$pkg'";
872		675
		676	(${"$pkg\::_NAME"} = $path) =~ s/^.*[\\\/]//; # hackish
		677
873	open my $fh, "<:raw", $path	678	open my $fh, "<:raw", $path
874	or die "$path: $!";	679	or die "$path: $!";
875		680
876	my $source =	681	my $source =
877	"package $pkg; use strict; use utf8; no warnings 'utf8';\n"	682	"package $pkg; use strict 'vars'; use utf8; no warnings 'utf8';\n"
878	. "#line 1 \"$path\"\n{\n"	683	. "#line 1 \"$path\"\n{\n"
879	. (do { local $/; <$fh> })	684	. (do { local $/; <$fh> })
880	. "\n};\n1";	685	. "\n};\n1";
881		686
882	eval $source	687	eval $source
…		…
892	sub invoke {	697	sub invoke {
893	local $TERM = shift;	698	local $TERM = shift;
894	my $htype = shift;	699	my $htype = shift;
895		700
896	if ($htype == 0) { # INIT	701	if ($htype == 0) { # INIT
897	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");	702	my @dirs = $TERM->perl_libdirs;
898		703
899	my %ext_arg;	704	my %ext_arg;
900		705
901	{	706	{
902	my @init = @TERM_INIT;	707	my @init = @TERM_INIT;
903	@TERM_INIT = ();	708	@TERM_INIT = ();
…		…
905	my @pkg = @TERM_EXT;	710	my @pkg = @TERM_EXT;
906	@TERM_EXT = ();	711	@TERM_EXT = ();
907	$TERM->register_package ($_) for @pkg;	712	$TERM->register_package ($_) for @pkg;
908	}	713	}
909		714
		715	for (
		716	@{ delete $TERM->{perl_ext_3} },
910	for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {	717	grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2
		718	) {
911	if ($_ eq "default") {	719	if ($_ eq "default") {
912	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline);	720	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline);
913	} elsif (/^-(.*)$/) {	721	} elsif (/^-(.*)$/) {
914	delete $ext_arg{$1};	722	delete $ext_arg{$1};
915	} elsif (/^([^<]+)<(.*)>$/) {	723	} elsif (/^([^<]+)<(.*)>$/) {
…		…
938	if (my $cb = $TERM->{_hook}[$htype]) {	746	if (my $cb = $TERM->{_hook}[$htype]) {
939	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"	747	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
940	if $verbosity >= 10;	748	if $verbosity >= 10;
941		749
942	for my $pkg (keys %$cb) {	750	for my $pkg (keys %$cb) {
943	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg}, @_) };	751	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg} || $TERM, @_) };
944	$retval ||= $retval_;	752	$retval ||= $retval_;
945		753
946	if ($@) {	754	if ($@) {
947	$TERM->ungrab; # better to lose the grab than the session	755	$TERM->ungrab; # better to lose the grab than the session
948	warn $@;	756	warn $@;
…		…
966		774
967	sub SET_COLOR($$$) {	775	sub SET_COLOR($$$) {
968	SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])	776	SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
969	}	777	}
970		778
971	# urxvt::term::extension	779	sub rend2mask {
		780	no strict 'refs';
		781	my ($str, $mask) = (@_, 0);
		782	my %color = ( fg => undef, bg => undef );
		783	my @failed;
		784	for my $spec ( split /\s+/, $str ) {
		785	if ( $spec =~ /^([fb]g)[_:-]?(\d+)/i ) {
		786	$color{lc($1)} = $2;
		787	} else {
		788	my $neg = $spec =~ s/^[-^]//;
		789	unless ( exists &{"RS_$spec"} ) {
		790	push @failed, $spec;
		791	next;
		792	}
		793	my $cur = &{"RS_$spec"};
		794	if ( $neg ) {
		795	$mask &= ~$cur;
		796	} else {
		797	$mask |= $cur;
		798	}
		799	}
		800	}
		801	($mask, @color{qw(fg bg)}, \@failed)
		802	}
972		803
973	package urxvt::term::extension;	804	package urxvt::term::extension;
974		805
975	sub enable {	806	sub enable {
976	my ($self, %hook) = @_;	807	my ($self, %hook) = @_;
…		…
1031		862
1032	sub urxvt::destroy_hook(&) {	863	sub urxvt::destroy_hook(&) {
1033	bless \shift, urxvt::destroy_hook::	864	bless \shift, urxvt::destroy_hook::
1034	}	865	}
1035		866
		867	sub x_resource {
		868	my ($self, $name) = @_;
		869	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		870	$self->{term}->x_resource ($name)
		871	}
		872
		873	sub x_resource_boolean {
		874	my ($self, $name) = @_;
		875	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		876	$self->{term}->x_resource_boolean ($name)
		877	}
		878
1036	package urxvt::anyevent;	879	package urxvt::anyevent;
1037		880
1038	=head2 The C<urxvt::anyevent> Class	881	=head2 The C<urxvt::anyevent> Class
1039		882
1040	The sole purpose of this class is to deliver an interface to the	883	The sole purpose of this class is to deliver an interface to the
1041	C<AnyEvent> module - any module using it will work inside urxvt without	884	C<AnyEvent> module - any module using it will work inside urxvt without
1042	further programming. The only exception is that you cannot wait on	885	further programming. The only exception is that you cannot wait on
1043	condition variables, but non-blocking condvar use is ok. What this means	886	condition variables, but non-blocking condvar use is ok.
1044	is that you cannot use blocking APIs, but the non-blocking variant should	887
1045	work.	888	In practical terms this means is that you cannot use blocking APIs, but
		889	the non-blocking variant should work.
1046		890
1047	=cut	891	=cut
1048		892
1049	our $VERSION = 1;	893	our $VERSION = '5.23';
1050		894
1051	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there	895	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
1052	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];	896	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
1053		897
1054	sub timer {	898	sub timer {
…		…
1056		900
1057	my $cb = $arg{cb};	901	my $cb = $arg{cb};
1058		902
1059	urxvt::timer	903	urxvt::timer
1060	->new	904	->new
1061	->start (urxvt::NOW + $arg{after})	905	->after ($arg{after}, $arg{interval})
1062	->cb (sub {	906	->cb ($arg{interval} ? $cb : sub {
1063	$_[0]->stop; # need to cancel manually	907	$_[0]->stop; # need to cancel manually
1064	$cb->();	908	$cb->();
1065	})	909	})
1066	}	910	}
1067		911
1068	sub io {	912	sub io {
1069	my ($class, %arg) = @_;	913	my ($class, %arg) = @_;
1070		914
1071	my $cb = $arg{cb};	915	my $cb = $arg{cb};
		916	my $fd = fileno $arg{fh};
		917	defined $fd or $fd = $arg{fh};
1072		918
1073	bless [$arg{fh}, urxvt::iow	919	bless [$arg{fh}, urxvt::iow
1074	->new	920	->new
1075	->fd (fileno $arg{fh})	921	->fd ($fd)
1076	->events (($arg{poll} =~ /r/ ? 1 : 0)	922	->events (($arg{poll} =~ /r/ ? 1 : 0)
1077	| ($arg{poll} =~ /w/ ? 2 : 0))	923	| ($arg{poll} =~ /w/ ? 2 : 0))
1078	->start	924	->start
1079	->cb (sub {	925	->cb ($cb)
1080	$cb->(($_[1] & 1 ? 'r' : '')
1081	. ($_[1] & 2 ? 'w' : ''));
1082	})],
1083	urxvt::anyevent::	926	], urxvt::anyevent::
		927	}
		928
		929	sub idle {
		930	my ($class, %arg) = @_;
		931
		932	my $cb = $arg{cb};
		933
		934	urxvt::iw
		935	->new
		936	->start
		937	->cb ($cb)
		938	}
		939
		940	sub child {
		941	my ($class, %arg) = @_;
		942
		943	my $cb = $arg{cb};
		944
		945	urxvt::pw
		946	->new
		947	->start ($arg{pid})
		948	->cb (sub {
		949	$_[0]->stop; # need to cancel manually
		950	$cb->($_[0]->rpid, $_[0]->rstatus);
		951	})
1084	}	952	}
1085		953
1086	sub DESTROY {	954	sub DESTROY {
1087	$_[0][1]->stop;	955	$_[0][1]->stop;
1088	}	956	}
1089		957
1090	sub condvar {	958	# only needed for AnyEvent < 6 compatibility
1091	bless \my $flag, urxvt::anyevent::condvar::	959	sub one_event {
1092	}
1093
1094	sub urxvt::anyevent::condvar::broadcast {
1095	${$_[0]}++;
1096	}
1097
1098	sub urxvt::anyevent::condvar::wait {
1099	unless (${$_[0]}) {
1100	Carp::croak "AnyEvent->condvar blocking wait unsupported in urxvt, use a non-blocking API";	960	Carp::croak "AnyEvent->one_event blocking wait unsupported in urxvt, use a non-blocking API";
1101	}
1102	}	961	}
1103		962
1104	package urxvt::term;	963	package urxvt::term;
1105		964
1106	=head2 The C<urxvt::term> Class	965	=head2 The C<urxvt::term> Class
…		…
1119	urxvt::verbose 6, "register package $pkg to $self";	978	urxvt::verbose 6, "register package $pkg to $self";
1120		979
1121	@{"$pkg\::ISA"} = urxvt::term::extension::;	980	@{"$pkg\::ISA"} = urxvt::term::extension::;
1122		981
1123	my $proxy = bless {	982	my $proxy = bless {
1124	_pkg => $pkg,	983	_pkg => $pkg,
		984	_name => ${"$pkg\::_NAME"}, # hackish
1125	argv => $argv,	985	argv => $argv,
1126	}, $pkg;	986	}, $pkg;
1127	Scalar::Util::weaken ($proxy->{term} = $self);	987	Scalar::Util::weaken ($proxy->{term} = $self);
1128		988
1129	$self->{_pkg}{$pkg} = $proxy;	989	$self->{_pkg}{$pkg} = $proxy;
1130		990
…		…
1133	$proxy->enable ($name => $ref);	993	$proxy->enable ($name => $ref);
1134	}	994	}
1135	}	995	}
1136	}	996	}
1137		997
		998	sub perl_libdirs {
		999	map { split /:/ }
		1000	$_[0]->resource ("perl_lib"),
		1001	$ENV{URXVT_PERL_LIB},
		1002	"$ENV{HOME}/.urxvt/ext",
		1003	"$LIBDIR/perl"
		1004	}
		1005
		1006	sub scan_meta {
		1007	my ($self) = @_;
		1008	my @libdirs = perl_libdirs $self;
		1009
		1010	return if $self->{meta_libdirs} eq join "\x00", @libdirs;
		1011
		1012	my %meta;
		1013
		1014	$self->{meta_libdirs} = join "\x00", @libdirs;
		1015	$self->{meta} = \%meta;
		1016
		1017	for my $dir (reverse @libdirs) {
		1018	opendir my $fh, $dir
		1019	or next;
		1020	for my $ext (readdir $fh) {
		1021	$ext ne "."
		1022	and $ext ne ".."
		1023	and open my $fh, "<", "$dir/$ext"
		1024	or next;
		1025
		1026	while (<$fh>) {
		1027	if (/^#:META:X_RESOURCE:(.*)/) {
		1028	my ($pattern, $type, $desc) = split /:/, $1;
		1029	$pattern =~ s/^%(\.|$)/$ext$1/g; # % in pattern == extension name
		1030	if ($pattern =~ /[^a-zA-Z0-9\-\.]/) {
		1031	warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n";
		1032	} else {
		1033	$meta{resource}{$pattern} = [$ext, $type, $desc];
		1034	}
		1035	} elsif (/^\s*(?:#|$)/) {
		1036	# skip other comments and empty lines
		1037	} else {
		1038	last; # stop parsing on first non-empty non-comment line
		1039	}
		1040	}
		1041	}
		1042	}
		1043	}
		1044
1138	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]	1045	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
1139		1046
1140	Creates a new terminal, very similar as if you had started it with system	1047	Creates a new terminal, very similar as if you had started it with system
1141	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like	1048	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
1142	hash which defines the environment of the new terminal.	1049	hash which defines the environment of the new terminal.
…		…
1162		1069
1163	Destroy the terminal object (close the window, free resources	1070	Destroy the terminal object (close the window, free resources
1164	etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event	1071	etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event
1165	watchers (timers, io watchers) are still active.	1072	watchers (timers, io watchers) are still active.
1166		1073
		1074	=item $guard = $self->on ($hook_name => $cb[, $hook_name => $cb..])
		1075
		1076	Similar to the extension method C<enable>, but installs additional
		1077	callbacks for the givne hook(s) (existing ones are not replaced), and
		1078	returns a guard object. When the guard object is destroyed the callbacks
		1079	are disabled again.
		1080
		1081	Note that these callbacks receive the normal paramaters, but the first
		1082	argument (normally the extension) is currently undefined.
		1083
		1084	=cut
		1085
		1086	sub urxvt::term::on_disable::DESTROY {
		1087	my $disable = shift;
		1088
		1089	my $self = delete $disable->{""};
		1090
		1091	while (my ($htype, $id) = each %$disable) {
		1092	delete $self->{_hook}[$htype]{$id};
		1093	$self->set_should_invoke ($htype, -1);
		1094	}
		1095	}
		1096
		1097	sub on {
		1098	my ($self, %hook) = @_;
		1099
		1100	my %disable = ( "" => $self );
		1101
		1102	while (my ($name, $cb) = each %hook) {
		1103	my $htype = $HOOKTYPE{uc $name};
		1104	defined $htype
		1105	or Carp::croak "unsupported hook type '$name'";
		1106
		1107	my $id = $cb+0;
		1108
		1109	$self->set_should_invoke ($htype, +1);
		1110	$disable{$htype} = $id;
		1111	$self->{_hook}[$htype]{$id} = $cb;
		1112	}
		1113
		1114	bless \%disable, "urxvt::term::on_disable"
		1115	}
		1116
1167	=item $term->exec_async ($cmd[, @args])	1117	=item $term->exec_async ($cmd[, @args])
1168		1118
1169	Works like the combination of the C<fork>/C<exec> builtins, which executes	1119	Works like the combination of the C<fork>/C<exec> builtins, which executes
1170	("starts") programs in the background. This function takes care of setting	1120	("starts") programs in the background. This function takes care of setting
1171	the user environment before exec'ing the command (e.g. C<PATH>) and should	1121	the user environment before exec'ing the command (e.g. C<PATH>) and should
…		…
1196	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.	1146	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
1197		1147
1198	Here is a likely non-exhaustive list of option names, please see the	1148	Here is a likely non-exhaustive list of option names, please see the
1199	source file F</src/optinc.h> to see the actual list:	1149	source file F</src/optinc.h> to see the actual list:
1200		1150
1201	borderLess console cursorBlink cursorUnderline hold iconic insecure	1151	borderLess buffered console cursorBlink cursorUnderline hold iconic
1202	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage	1152	insecure intensityStyles iso14755 iso14755_52 jumpScroll loginShell
1203	override-redirect pastableTabs pointerBlank reverseVideo scrollBar	1153	mapAlert meta8 mouseWheelScrollPage override_redirect pastableTabs
1204	scrollBar_floating scrollBar_right scrollTtyKeypress scrollTtyOutput	1154	pointerBlank reverseVideo scrollBar scrollBar_floating scrollBar_right
1205	scrollWithBuffer secondaryScreen secondaryScroll skipBuiltinGlyphs	1155	scrollTtyKeypress scrollTtyOutput scrollWithBuffer secondaryScreen
1206	transparent tripleclickwords utmpInhibit visualBell	1156	secondaryScroll skipBuiltinGlyphs skipScroll transparent tripleclickwords
		1157	urgentOnBell utmpInhibit visualBell
1207		1158
1208	=item $value = $term->resource ($name[, $newval])	1159	=item $value = $term->resource ($name[, $newval])
1209		1160
1210	Returns the current resource value associated with a given name and	1161	Returns the current resource value associated with a given name and
1211	optionally sets a new value. Setting values is most useful in the C<init>	1162	optionally sets a new value. Setting values is most useful in the C<init>
…		…
1224		1175
1225	Here is a likely non-exhaustive list of resource names, not all of which	1176	Here is a likely non-exhaustive list of resource names, not all of which
1226	are supported in every build, please see the source file F</src/rsinc.h>	1177	are supported in every build, please see the source file F</src/rsinc.h>
1227	to see the actual list:	1178	to see the actual list:
1228		1179
1229	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont	1180	answerbackstring backgroundPixmap backspace_key blurradius
1230	borderLess color cursorBlink cursorUnderline cutchars delete_key	1181	boldFont boldItalicFont borderLess buffered chdir color cursorBlink
1231	display_name embed ext_bwidth fade font geometry hold iconName	1182	cursorUnderline cutchars delete_key depth display_name embed ext_bwidth
1232	imFont imLocale inputMethod insecure int_bwidth intensityStyles	1183	fade font geometry hold iconName iconfile imFont imLocale inputMethod
		1184	insecure int_bwidth intensityStyles iso14755 iso14755_52 italicFont
1233	italicFont jumpScroll lineSpace loginShell mapAlert meta8 modifier	1185	jumpScroll letterSpace lineSpace loginShell mapAlert meta8 modifier
1234	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval	1186	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
1235	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay	1187	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
1236	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar	1188	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
1237	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness	1189	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
1238	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle	1190	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
1239	secondaryScreen secondaryScroll selectstyle shade term_name title	1191	secondaryScreen secondaryScroll shade skipBuiltinGlyphs skipScroll
1240	transient_for transparent transparent_all tripleclickwords utmpInhibit	1192	term_name title transient_for transparent tripleclickwords urgentOnBell
1241	visualBell	1193	utmpInhibit visualBell
1242		1194
1243	=cut	1195	=cut
1244		1196
1245	sub resource($$;$) {	1197	sub resource($$;$) {
1246	my ($self, $name) = (shift, shift);	1198	my ($self, $name) = (shift, shift);
1247	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);	1199	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
1248	&urxvt::term::_resource	1200	goto &urxvt::term::_resource
1249	}	1201	}
1250		1202
1251	=item $value = $term->x_resource ($pattern)	1203	=item $value = $term->x_resource ($pattern)
1252		1204
1253	Returns the X-Resource for the given pattern, excluding the program or	1205	Returns the X-Resource for the given pattern, excluding the program or
1254	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the	1206	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
1255	same value as used by this instance of rxvt-unicode. Returns C<undef> if no	1207	same value as used by this instance of rxvt-unicode. Returns C<undef> if no
1256	resource with that pattern exists.	1208	resource with that pattern exists.
1257		1209
		1210	Extensions that define extra resource or command line arguments also need
		1211	to call this method to access their values.
		1212
		1213	If the method is called on an extension object (basically, from an
		1214	extension), then the special prefix C<%.> will be replaced by the name of
		1215	the extension and a dot, and the lone string C<%> will be replaced by the
		1216	extension name itself. This makes it possible to code extensions so you
		1217	can rename them and get a new set of commandline switches and resources
		1218	without having to change the actual code.
		1219
1258	This method should only be called during the C<on_start> hook, as there is	1220	This method should only be called during the C<on_start> hook, as there is
1259	only one resource database per display, and later invocations might return	1221	only one resource database per display, and later invocations might return
1260	the wrong resources.	1222	the wrong resources.
1261		1223
1262	=item $success = $term->parse_keysym ($keysym_spec, $command_string)	1224	=item $value = $term->x_resource_boolean ($pattern)
1263		1225
		1226	Like C<x_resource>, above, but interprets the string value as a boolean
		1227	and returns C<1> for true values, C<0> for false values and C<undef> if
		1228	the resource or option isn't specified.
		1229
		1230	You should always use this method to parse boolean resources.
		1231
		1232	=cut
		1233
		1234	sub x_resource_boolean {
		1235	my $res = &x_resource;
		1236
		1237	$res =~ /^\s*(?:true|yes|on|1)\s*$/i ? 1 : defined $res && 0
		1238	}
		1239
		1240	=item $success = $term->parse_keysym ($key, $octets)
		1241
1264	Adds a keymap translation exactly as specified via a resource. See the	1242	Adds a key binding exactly as specified via a resource. See the
1265	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.	1243	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.
		1244
		1245	=item $term->register_command ($keysym, $modifiermask, $string)
		1246
		1247	Adds a key binding. This is a lower level api compared to
		1248	C<parse_keysym>, as it expects a parsed key description, and can be
		1249	used only inside either the C<on_init> hook, to add a binding, or the
		1250	C<on_register_command> hook, to modify a parsed binding.
1266		1251
1267	=item $rend = $term->rstyle ([$new_rstyle])	1252	=item $rend = $term->rstyle ([$new_rstyle])
1268		1253
1269	Return and optionally change the current rendition. Text that is output by	1254	Return and optionally change the current rendition. Text that is output by
1270	the terminal application will use this style.	1255	the terminal application will use this style.
…		…
1278		1263
1279	=item ($row, $col) = $term->selection_beg ([$row, $col])	1264	=item ($row, $col) = $term->selection_beg ([$row, $col])
1280		1265
1281	=item ($row, $col) = $term->selection_end ([$row, $col])	1266	=item ($row, $col) = $term->selection_end ([$row, $col])
1282		1267
1283	Return the current values of the selection mark, begin or end positions,	1268	Return the current values of the selection mark, begin or end positions.
1284	and optionally set them to new values.	1269
		1270	When arguments are given, then the selection coordinates are set to
		1271	C<$row> and C<$col>, and the selection screen is set to the current
		1272	screen.
		1273
		1274	=item $screen = $term->selection_screen ([$screen])
		1275
		1276	Returns the current selection screen, and then optionally sets it.
1285		1277
1286	=item $term->selection_make ($eventtime[, $rectangular])	1278	=item $term->selection_make ($eventtime[, $rectangular])
1287		1279
1288	Tries to make a selection as set by C<selection_beg> and	1280	Tries to make a selection as set by C<selection_beg> and
1289	C<selection_end>. If C<$rectangular> is true (default: false), a	1281	C<selection_end>. If C<$rectangular> is true (default: false), a
1290	rectangular selection will be made. This is the prefered function to make	1282	rectangular selection will be made. This is the preferred function to make
1291	a selection.	1283	a selection.
1292		1284
1293	=item $success = $term->selection_grab ($eventtime)	1285	=item $success = $term->selection_grab ($eventtime[, $clipboard])
1294		1286
1295	Try to request the primary selection text from the server (for example, as	1287	Try to acquire ownership of the primary (clipboard if C<$clipboard> is
		1288	true) selection from the server. The corresponding text can be set
1296	set by the next method). No visual feedback will be given. This function	1289	with the next method. No visual feedback will be given. This function
1297	is mostly useful from within C<on_sel_grab> hooks.	1290	is mostly useful from within C<on_sel_grab> hooks.
1298		1291
1299	=item $oldtext = $term->selection ([$newtext])	1292	=item $oldtext = $term->selection ([$newtext, $clipboard])
1300		1293
1301	Return the current selection text and optionally replace it by C<$newtext>.	1294	Return the current selection (clipboard if C<$clipboard> is true) text
		1295	and optionally replace it by C<$newtext>.
		1296
		1297	=item $term->selection_clear ([$clipboard])
		1298
		1299	Revoke ownership of the primary (clipboard if C<$clipboard> is true) selection.
1302		1300
1303	=item $term->overlay_simple ($x, $y, $text)	1301	=item $term->overlay_simple ($x, $y, $text)
1304		1302
1305	Create a simple multi-line overlay box. See the next method for details.	1303	Create a simple multi-line overlay box. See the next method for details.
1306		1304
…		…
1336		1334
1337	The methods currently supported on C<urxvt::overlay> objects are:	1335	The methods currently supported on C<urxvt::overlay> objects are:
1338		1336
1339	=over 4	1337	=over 4
1340		1338
1341	=item $overlay->set ($x, $y, $text, $rend)	1339	=item $overlay->set ($x, $y, $text[, $rend])
1342		1340
1343	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts	1341	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts
1344	text in rxvt-unicode's special encoding and an array of rendition values	1342	text in rxvt-unicode's special encoding and an array of rendition values
1345	at a specific position inside the overlay.	1343	at a specific position inside the overlay.
		1344
		1345	If C<$rend> is missing, then the rendition will not be changed.
1346		1346
1347	=item $overlay->hide	1347	=item $overlay->hide
1348		1348
1349	If visible, hide the overlay, but do not destroy it.	1349	If visible, hide the overlay, but do not destroy it.
1350		1350
…		…
1432	locale-specific encoding of the terminal and can contain command sequences	1432	locale-specific encoding of the terminal and can contain command sequences
1433	(escape codes) that will be interpreted.	1433	(escape codes) that will be interpreted.
1434		1434
1435	=item $term->tt_write ($octets)	1435	=item $term->tt_write ($octets)
1436		1436
1437	Write the octets given in C<$data> to the tty (i.e. as program input). To	1437	Write the octets given in C<$octets> to the tty (i.e. as program input). To
1438	pass characters instead of octets, you should convert your strings first	1438	pass characters instead of octets, you should convert your strings first
1439	to the locale-specific encoding using C<< $term->locale_encode >>.	1439	to the locale-specific encoding using C<< $term->locale_encode >>.
		1440
		1441	=item $term->tt_paste ($octets)
		1442
		1443	Write the octets given in C<$octets> to the tty as a paste, converting NL to
		1444	CR and bracketing the data with control sequences if bracketed paste mode
		1445	is set.
1440		1446
1441	=item $old_events = $term->pty_ev_events ([$new_events])	1447	=item $old_events = $term->pty_ev_events ([$new_events])
1442		1448
1443	Replaces the event mask of the pty watcher by the given event mask. Can	1449	Replaces the event mask of the pty watcher by the given event mask. Can
1444	be used to suppress input and output handling to the pty/tty. See the	1450	be used to suppress input and output handling to the pty/tty. See the
…		…
1463	Adds the specified events to the vt event mask. Useful e.g. when you want	1469	Adds the specified events to the vt event mask. Useful e.g. when you want
1464	to receive pointer events all the times:	1470	to receive pointer events all the times:
1465		1471
1466	$term->vt_emask_add (urxvt::PointerMotionMask);	1472	$term->vt_emask_add (urxvt::PointerMotionMask);
1467		1473
		1474	=item $term->set_urgency ($set)
		1475
		1476	Enable/disable the urgency hint on the toplevel window.
		1477
1468	=item $term->focus_in	1478	=item $term->focus_in
1469		1479
1470	=item $term->focus_out	1480	=item $term->focus_out
1471		1481
1472	=item $term->key_press ($state, $keycode[, $time])	1482	=item $term->key_press ($state, $keycode[, $time])
…		…
1560		1570
1561	Used after changing terminal contents to display them.	1571	Used after changing terminal contents to display them.
1562		1572
1563	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])	1573	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
1564		1574
1565	Returns the text of the entire row with number C<$row_number>. Row C<0>	1575	Returns the text of the entire row with number C<$row_number>. Row C<< $term->top_row >>
1566	is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost	1576	is the topmost terminal line, row C<< $term->nrow-1 >> is the bottommost
1567	terminal line. The scrollback buffer starts at line C<-1> and extends to
1568	line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line	1577	terminal line. Nothing will be returned if a nonexistent line
1569	is requested.	1578	is requested.
1570		1579
1571	If C<$new_text> is specified, it will replace characters in the current	1580	If C<$new_text> is specified, it will replace characters in the current
1572	line, starting at column C<$start_col> (default C<0>), which is useful	1581	line, starting at column C<$start_col> (default C<0>), which is useful
1573	to replace only parts of a line. The font index in the rendition will	1582	to replace only parts of a line. The font index in the rendition will
1574	automatically be updated.	1583	automatically be updated.
1575		1584
1576	C<$text> is in a special encoding: tabs and wide characters that use more	1585	C<$text> is in a special encoding: tabs and wide characters that use more
1577	than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)	1586	than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
1578	characters. Characters with combining characters and other characters that	1587	characters. Characters with combining characters and other characters that
1579	do not fit into the normal tetx encoding will be replaced with characters	1588	do not fit into the normal text encoding will be replaced with characters
1580	in the private use area.	1589	in the private use area.
1581		1590
1582	You have to obey this encoding when changing text. The advantage is	1591	You have to obey this encoding when changing text. The advantage is
1583	that C<substr> and similar functions work on screen cells and not on	1592	that C<substr> and similar functions work on screen cells and not on
1584	characters.	1593	characters.
…		…
1759	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most	1768	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
1760	recent grab.	1769	recent grab.
1761		1770
1762	=item $term->ungrab	1771	=item $term->ungrab
1763		1772
1764	Calls XUngrab for the most recent grab. Is called automatically on	1773	Calls XUngrabPointer and XUngrabKeyboard for the most recent grab. Is called automatically on
1765	evaluation errors, as it is better to lose the grab in the error case as	1774	evaluation errors, as it is better to lose the grab in the error case as
1766	the session.	1775	the session.
1767		1776
1768	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])	1777	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
1769		1778
…		…
1771		1780
1772	=item @atoms = $term->XListProperties ($window)	1781	=item @atoms = $term->XListProperties ($window)
1773		1782
1774	=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)	1783	=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
1775		1784
1776	=item $term->XChangeWindowProperty ($window, $property, $type, $format, $octets)	1785	=item $term->XChangeProperty ($window, $property, $type, $format, $octets)
1777		1786
1778	=item $term->XDeleteProperty ($window, $property)	1787	=item $term->XDeleteProperty ($window, $property)
1779		1788
1780	=item $window = $term->DefaultRootWindow	1789	=item $window = $term->DefaultRootWindow
1781		1790
…		…
1788	=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)	1797	=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
1789		1798
1790	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)	1799	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
1791		1800
1792	=item $term->XChangeInput ($window, $add_events[, $del_events])	1801	=item $term->XChangeInput ($window, $add_events[, $del_events])
		1802
		1803	=item $keysym = $term->XStringToKeysym ($string)
		1804
		1805	=item $string = $term->XKeysymToString ($keysym)
1793		1806
1794	Various X or X-related functions. The C<$term> object only serves as	1807	Various X or X-related functions. The C<$term> object only serves as
1795	the source of the display, otherwise those functions map more-or-less	1808	the source of the display, otherwise those functions map more-or-less
1796	directory onto the X functions of the same name.	1809	directly onto the X functions of the same name.
1797		1810
1798	=back	1811	=back
1799		1812
1800	=cut	1813	=cut
1801		1814
…		…
1903	my $env = $self->{term}->env;	1916	my $env = $self->{term}->env;
1904	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.	1917	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
1905	delete $env->{LC_ALL};	1918	delete $env->{LC_ALL};
1906	$env->{LC_CTYPE} = $self->{term}->locale;	1919	$env->{LC_CTYPE} = $self->{term}->locale;
1907		1920
1908	urxvt::term->new ($env, "popup",	1921	my $term = urxvt::term->new (
		1922	$env, "popup",
1909	"--perl-lib" => "", "--perl-ext-common" => "",	1923	"--perl-lib" => "", "--perl-ext-common" => "",
1910	"-pty-fd" => -1, "-sl" => 0,	1924	"-pty-fd" => -1, "-sl" => 0,
1911	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",	1925	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1912	"--transient-for" => $self->{term}->parent,	1926	"--transient-for" => $self->{term}->parent,
1913	"-display" => $self->{term}->display_id,	1927	"-display" => $self->{term}->display_id,
1914	"-pe" => "urxvt-popup")	1928	"-pe" => "urxvt-popup",
1915	or die "unable to create popup window\n";	1929	) or die "unable to create popup window\n";
		1930
		1931	unless (delete $term->{urxvt_popup_init_done}) {
		1932	$term->ungrab;
		1933	$term->destroy;
		1934	die "unable to initialise popup window\n";
		1935	}
1916	}	1936	}
1917		1937
1918	sub DESTROY {	1938	sub DESTROY {
1919	my ($self) = @_;	1939	my ($self) = @_;
1920		1940
…		…
1925	=back	1945	=back
1926		1946
1927	=cut	1947	=cut
1928		1948
1929	package urxvt::watcher;	1949	package urxvt::watcher;
1930
1931	@urxvt::timer::ISA = __PACKAGE__;
1932	@urxvt::iow::ISA = __PACKAGE__;
1933	@urxvt::pw::ISA = __PACKAGE__;
1934	@urxvt::iw::ISA = __PACKAGE__;
1935		1950
1936	=head2 The C<urxvt::timer> Class	1951	=head2 The C<urxvt::timer> Class
1937		1952
1938	This class implements timer watchers/events. Time is represented as a	1953	This class implements timer watchers/events. Time is represented as a
1939	fractional number of seconds since the epoch. Example:	1954	fractional number of seconds since the epoch. Example:
…		…
1943	->new	1958	->new
1944	->interval (1)	1959	->interval (1)
1945	->cb (sub {	1960	->cb (sub {
1946	$term->{overlay}->set (0, 0,	1961	$term->{overlay}->set (0, 0,
1947	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);	1962	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
1948	});	1963	});
1949		1964
1950	=over 4	1965	=over 4
1951		1966
1952	=item $timer = new urxvt::timer	1967	=item $timer = new urxvt::timer
1953		1968
…		…
1956		1971
1957	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })	1972	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })
1958		1973
1959	Set the callback to be called when the timer triggers.	1974	Set the callback to be called when the timer triggers.
1960		1975
1961	=item $tstamp = $timer->at
1962
1963	Return the time this watcher will fire next.
1964
1965	=item $timer = $timer->set ($tstamp)	1976	=item $timer = $timer->set ($tstamp[, $interval])
1966		1977
1967	Set the time the event is generated to $tstamp.	1978	Set the time the event is generated to $tstamp (and optionally specifies a
		1979	new $interval).
1968		1980
1969	=item $timer = $timer->interval ($interval)	1981	=item $timer = $timer->interval ($interval)
1970		1982
1971	Normally (and when C<$interval> is C<0>), the timer will automatically	1983	By default (and when C<$interval> is C<0>), the timer will automatically
1972	stop after it has fired once. If C<$interval> is non-zero, then the timer	1984	stop after it has fired once. If C<$interval> is non-zero, then the timer
1973	is automatically rescheduled at the given intervals.	1985	is automatically rescheduled at the given intervals.
1974		1986
1975	=item $timer = $timer->start	1987	=item $timer = $timer->start
1976		1988
1977	Start the timer.	1989	Start the timer.
1978		1990
1979	=item $timer = $timer->start ($tstamp)	1991	=item $timer = $timer->start ($tstamp[, $interval])
1980		1992
1981	Set the event trigger time to C<$tstamp> and start the timer.	1993	Set the event trigger time to C<$tstamp> and start the timer. Optionally
		1994	also replaces the interval.
1982		1995
1983	=item $timer = $timer->after ($delay)	1996	=item $timer = $timer->after ($delay[, $interval])
1984		1997
1985	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.	1998	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1986		1999
1987	=item $timer = $timer->stop	2000	=item $timer = $timer->stop
1988		2001
…		…
1996		2009
1997	$term->{socket} = ...	2010	$term->{socket} = ...
1998	$term->{iow} = urxvt::iow	2011	$term->{iow} = urxvt::iow
1999	->new	2012	->new
2000	->fd (fileno $term->{socket})	2013	->fd (fileno $term->{socket})
2001	->events (urxvt::EVENT_READ)	2014	->events (urxvt::EV_READ)
2002	->start	2015	->start
2003	->cb (sub {	2016	->cb (sub {
2004	my ($iow, $revents) = @_;	2017	my ($iow, $revents) = @_;
2005	# $revents must be 1 here, no need to check	2018	# $revents must be 1 here, no need to check
2006	sysread $term->{socket}, my $buf, 8192	2019	sysread $term->{socket}, my $buf, 8192
…		…
2024	Set the file descriptor (not handle) to watch.	2037	Set the file descriptor (not handle) to watch.
2025		2038
2026	=item $iow = $iow->events ($eventmask)	2039	=item $iow = $iow->events ($eventmask)
2027		2040
2028	Set the event mask to watch. The only allowed values are	2041	Set the event mask to watch. The only allowed values are
2029	C<urxvt::EVENT_READ> and C<urxvt::EVENT_WRITE>, which might be ORed	2042	C<urxvt::EV_READ> and C<urxvt::EV_WRITE>, which might be ORed
2030	together, or C<urxvt::EVENT_NONE>.	2043	together, or C<urxvt::EV_NONE>.
2031		2044
2032	=item $iow = $iow->start	2045	=item $iow = $iow->start
2033		2046
2034	Start watching for requested events on the given handle.	2047	Start watching for requested events on the given handle.
2035		2048
…		…
2076	->new	2089	->new
2077	->start ($pid)	2090	->start ($pid)
2078	->cb (sub {	2091	->cb (sub {
2079	my ($pw, $exit_status) = @_;	2092	my ($pw, $exit_status) = @_;
2080	...	2093	...
2081	});	2094	});
2082		2095
2083	=over 4	2096	=over 4
2084		2097
2085	=item $pw = new urxvt::pw	2098	=item $pw = new urxvt::pw
2086		2099
…		…
2119		2132
2120	=back	2133	=back
2121		2134
2122	=head1 AUTHOR	2135	=head1 AUTHOR
2123		2136
2124	Marc Lehmann <pcg@goof.com>	2137	Marc Lehmann <schmorp@schmorp.de>
2125	http://software.schmorp.de/pkg/rxvt-unicode	2138	http://software.schmorp.de/pkg/rxvt-unicode
2126		2139
2127	=cut	2140	=cut
2128		2141
2129	1	2142	1
		2143
		2144	# vim: sw=3:

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