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Revision 1.171 by root, Fri Oct 10 00:11:44 2008 UTC vs.
Revision 1.246 by root, Fri Dec 26 18:58:19 2014 UTC

1	=encoding utf8	1	=encoding utf8
2		2
3	=head1 NAME	3	=head1 NAME
4		4
5	@@RXVT_NAME@@perl - rxvt-unicode's embedded perl interpreter	5	urxvtperl - rxvt-unicode's embedded perl interpreter
6		6
7	=head1 SYNOPSIS	7	=head1 SYNOPSIS
8		8
9	# create a file grab_test in $HOME:	9	# create a file grab_test in $HOME:
10		10
11	sub on_sel_grab {	11	sub on_sel_grab {
12	warn "you selected ", $_[0]->selection;	12	warn "you selected ", $_[0]->selection;
13	()	13	()
14	}	14	}
15		15
16	# start a @@RXVT_NAME@@ using it:	16	# start a urxvt using it:
17		17
18	@@RXVT_NAME@@ --perl-lib $HOME -pe grab_test	18	urxvt --perl-lib $HOME -pe grab_test
19		19
20	=head1 DESCRIPTION	20	=head1 DESCRIPTION
21		21
22	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 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"	31	You can disable the embedded perl interpreter by setting both "perl-ext"
32	and "perl-ext-common" resources to the empty string.	32	and "perl-ext-common" resources to the empty string.
33		33
34	=head1 PREPACKAGED EXTENSIONS	34	=head1 PREPACKAGED EXTENSIONS
35		35
36	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
37	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> >>.
38		39
39	You can activate them like this:	40	You can activate them like this:
40		41
41	@@RXVT_NAME@@ -pe <extensionname>	42	urxvt -pe <extensionname>
42		43
43	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:
44		45
45	URxvt.perl-ext-common: default,selection-autotransform	46	URxvt.perl-ext-common: default,selection-autotransform
46		47
47	=over 4	48	Extensions may add additional resources and C<actions>, i.e., methods
48		49	which can be bound to a key and invoked by the user. An extension can
49	=item selection (enabled by default)	50	define the resources it support and also default bindings for one or
50		51	more actions it provides using so called META comments, described
51	(More) intelligent selection. This extension tries to be more intelligent	52	below. Similarly to builtin resources, extension resources can also be
52	when the user extends selections (double-click and further clicks). Right	53	specified on the command line as long options (with C<.> replaced by
53	now, it tries to select words, urls and complete shell-quoted	54	C<->), in which case the corresponding extension is loaded
54	arguments, which is very convenient, too, if your F<ls> supports	55	automatically. For this to work the extension B<must> define META
55	C<--quoting-style=shell>.	56	comments for its resources.
56
57	A double-click usually selects the word under the cursor, further clicks
58	will enlarge the selection.
59
60	The selection works by trying to match a number of regexes and displaying
61	them in increasing order of length. You can add your own regexes by
62	specifying resources of the form:
63
64	URxvt.selection.pattern-0: perl-regex
65	URxvt.selection.pattern-1: perl-regex
66	...
67
68	The index number (0, 1...) must not have any holes, and each regex must
69	contain at least one pair of capturing parentheses, which will be used for
70	the match. For example, the following adds a regex that matches everything
71	between two vertical bars:
72
73	URxvt.selection.pattern-0: \\|([^|]+)\\|
74
75	Another example: Programs I use often output "absolute path: " at the
76	beginning of a line when they process multiple files. The following
77	pattern matches the filename (note, there is a single space at the very
78	end):
79
80	URxvt.selection.pattern-0: ^(/[^:]+):\
81
82	You can look at the source of the selection extension to see more
83	interesting uses, such as parsing a line from beginning to end.
84
85	This extension also offers following bindable keyboard commands:
86
87	=over 4
88
89	=item rot13
90
91	Rot-13 the selection when activated. Used via keyboard trigger:
92
93	URxvt.keysym.C-M-r: perl:selection:rot13
94
95	=back
96
97	=item option-popup (enabled by default)
98
99	Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at
100	runtime.
101
102	Other extensions can extend this popup menu by pushing a code reference
103	onto C<@{ $term->{option_popup_hook} }>, which gets called whenever the
104	popup is being displayed.
105
106	Its sole argument is the popup menu, which can be modified. It should
107	either return nothing or a string, the initial boolean value and a code
108	reference. The string will be used as button text and the code reference
109	will be called when the toggle changes, with the new boolean value as
110	first argument.
111
112	The following will add an entry C<myoption> that changes
113	C<< $self->{myoption} >>:
114
115	push @{ $self->{term}{option_popup_hook} }, sub {
116	("my option" => $myoption, sub { $self->{myoption} = $_[0] })
117	};
118
119	=item selection-popup (enabled by default)
120
121	Binds a popup menu to Ctrl-Button3 that lets you convert the selection
122	text into various other formats/action (such as uri unescaping, perl
123	evaluation, web-browser starting etc.), depending on content.
124
125	Other extensions can extend this popup menu by pushing a code reference
126	onto C<@{ $term->{selection_popup_hook} }>, which gets called whenever the
127	popup is being displayed.
128
129	Its sole argument is the popup menu, which can be modified. The selection
130	is in C<$_>, which can be used to decide whether to add something or not.
131	It should either return nothing or a string and a code reference. The
132	string will be used as button text and the code reference will be called
133	when the button gets activated and should transform C<$_>.
134
135	The following will add an entry C<a to b> that transforms all C<a>s in
136	the selection to C<b>s, but only if the selection currently contains any
137	C<a>s:
138
139	push @{ $self->{term}{selection_popup_hook} }, sub {
140	/a/ ? ("a to b" => sub { s/a/b/g }
141	: ()
142	};
143
144	=item searchable-scrollback<hotkey> (enabled by default)
145
146	Adds regex search functionality to the scrollback buffer, triggered
147	by a hotkey (default: C<M-s>). While in search mode, normal terminal
148	input/output is suspended and a regex is displayed at the bottom of the
149	screen.
150
151	Inputting characters appends them to the regex and continues incremental
152	search. C<BackSpace> removes a character from the regex, C<Up> and C<Down>
153	search upwards/downwards in the scrollback buffer, C<End> jumps to the
154	bottom. C<Escape> leaves search mode and returns to the point where search
155	was started, while C<Enter> or C<Return> stay at the current position and
156	additionally stores the first match in the current line into the primary
157	selection if the C<Shift> modifier is active.
158
159	The regex defaults to "(?i)", resulting in a case-insensitive search. To
160	get a case-sensitive search you can delete this prefix using C<BackSpace>
161	or simply use an uppercase character which removes the "(?i)" prefix.
162
163	See L<perlre> for more info about perl regular expression syntax.
164
165	=item readline (enabled by default)
166
167	A support package that tries to make editing with readline easier. At
168	the moment, it reacts to clicking shift-left mouse button by trying to
169	move the text cursor to this position. It does so by generating as many
170	cursor-left or cursor-right keypresses as required (this only works
171	for programs that correctly support wide characters).
172
173	To avoid too many false positives, this is only done when:
174
175	=over 4
176
177	=item - the tty is in ICANON state.
178
179	=item - the text cursor is visible.
180
181	=item - the primary screen is currently being displayed.
182
183	=item - the mouse is on the same (multi-row-) line as the text cursor.
184
185	=back
186
187	The normal selection mechanism isn't disabled, so quick successive clicks
188	might interfere with selection creation in harmless ways.
189
190	=item selection-autotransform
191
192	This selection allows you to do automatic transforms on a selection
193	whenever a selection is made.
194
195	It works by specifying perl snippets (most useful is a single C<s///>
196	operator) that modify C<$_> as resources:
197
198	URxvt.selection-autotransform.0: transform
199	URxvt.selection-autotransform.1: transform
200	...
201
202	For example, the following will transform selections of the form
203	C<filename:number>, often seen in compiler messages, into C<vi +$filename
204	$word>:
205
206	URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/
207
208	And this example matches the same,but replaces it with vi-commands you can
209	paste directly into your (vi :) editor:
210
211	URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/:e \\Q$1\\E\\x0d:$2\\x0d/
212
213	Of course, this can be modified to suit your needs and your editor :)
214
215	To expand the example above to typical perl error messages ("XXX at
216	FILENAME line YYY."), you need a slightly more elaborate solution:
217
218	URxvt.selection.pattern-0: ( at .*? line \\d+[,.])
219	URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)[,.]$/:e \\Q$1\E\\x0d:$2\\x0d/
220
221	The first line tells the selection code to treat the unchanging part of
222	every error message as a selection pattern, and the second line transforms
223	the message into vi commands to load the file.
224
225	=item tabbed
226
227	This transforms the terminal into a tabbar with additional terminals, that
228	is, it implements what is commonly referred to as "tabbed terminal". The topmost line
229	displays a "[NEW]" button, which, when clicked, will add a new tab, followed by one
230	button per tab.
231
232	Clicking a button will activate that tab. Pressing B<Shift-Left> and
233	B<Shift-Right> will switch to the tab left or right of the current one,
234	while B<Shift-Down> creates a new tab.
235
236	The tabbar itself can be configured similarly to a normal terminal, but
237	with a resource class of C<URxvt.tabbed>. In addition, it supports the
238	following four resources (shown with defaults):
239
240	URxvt.tabbed.tabbar-fg: <colour-index, default 3>
241	URxvt.tabbed.tabbar-bg: <colour-index, default 0>
242	URxvt.tabbed.tab-fg: <colour-index, default 0>
243	URxvt.tabbed.tab-bg: <colour-index, default 1>
244
245	See I<COLOR AND GRAPHICS> in the @@RXVT_NAME@@(1) manpage for valid
246	indices.
247
248	=item matcher
249
250	Uses per-line display filtering (C<on_line_update>) to underline text
251	matching a certain pattern and make it clickable. When clicked with the
252	mouse button specified in the C<matcher.button> resource (default 2, or
253	middle), the program specified in the C<matcher.launcher> resource
254	(default, the C<urlLauncher> resource, C<sensible-browser>) will be started
255	with the matched text as first argument. The default configuration is
256	suitable for matching URLs and launching a web browser, like the
257	former "mark-urls" extension.
258
259	The default pattern to match URLs can be overridden with the
260	C<matcher.pattern.0> resource, and additional patterns can be specified
261	with numbered patterns, in a manner similar to the "selection" extension.
262	The launcher can also be overridden on a per-pattern basis.
263
264	It is possible to activate the most recently seen match from the keyboard.
265	Simply bind a keysym to "perl:matcher" as seen in the example below.
266
267	Example configuration:
268
269	URxvt.perl-ext: default,matcher
270	URxvt.urlLauncher: sensible-browser
271	URxvt.keysym.C-Delete: perl:matcher
272	URxvt.matcher.button: 1
273	URxvt.matcher.pattern.1: \\bwww\\.[\\w-]+\\.[\\w./?&@#-]*[\\w/-]
274	URxvt.matcher.pattern.2: \\B(/\\S+?):(\\d+)(?=:|$)
275	URxvt.matcher.launcher.2: gvim +$2 $1
276
277	=item xim-onthespot
278
279	This (experimental) perl extension implements OnTheSpot editing. It does
280	not work perfectly, and some input methods don't seem to work well with
281	OnTheSpot editing in general, but it seems to work at least for SCIM and
282	kinput2.
283
284	You enable it by specifying this extension and a preedit style of
285	C<OnTheSpot>, i.e.:
286
287	@@RXVT_NAME@@ -pt OnTheSpot -pe xim-onthespot
288
289	=item kuake<hotkey>
290
291	A very primitive quake-console-like extension. It was inspired by a
292	description of how the programs C<kuake> and C<yakuake> work: Whenever the
293	user presses a global accelerator key (by default C<F10>), the terminal
294	will show or hide itself. Another press of the accelerator key will hide
295	or show it again.
296
297	Initially, the window will not be shown when using this extension.
298
299	This is useful if you need a single terminal that is not using any desktop
300	space most of the time but is quickly available at the press of a key.
301
302	The accelerator key is grabbed regardless of any modifiers, so this
303	extension will actually grab a physical key just for this function.
304
305	If you want a quake-like animation, tell your window manager to do so
306	(fvwm can do it).
307
308	=item block-graphics-to-ascii
309
310	A not very useful example of filtering all text output to the terminal
311	by replacing all line-drawing characters (U+2500 .. U+259F) by a
312	similar-looking ascii character.
313
314	=item digital-clock
315
316	Displays a digital clock using the built-in overlay.
317
318	=item remote-clipboard
319
320	Somewhat of a misnomer, this extension adds two menu entries to the
321	selection popup that allows one to run external commands to store the
322	selection somewhere and fetch it again.
323
324	We use it to implement a "distributed selection mechanism", which just
325	means that one command uploads the file to a remote server, and another
326	reads it.
327
328	The commands can be set using the C<URxvt.remote-selection.store> and
329	C<URxvt.remote-selection.fetch> resources. The first should read the
330	selection to store from STDIN (always in UTF-8), the second should provide
331	the selection data on STDOUT (also in UTF-8).
332
333	The defaults (which are likely useless to you) use rsh and cat:
334
335	URxvt.remote-selection.store: rsh ruth 'cat >/tmp/distributed-selection'
336	URxvt.remote-selection.fetch: rsh ruth 'cat /tmp/distributed-selection'
337
338	=item selection-pastebin
339
340	This is a little rarely useful extension that Uploads the selection as
341	textfile to a remote site (or does other things). (The implementation is
342	not currently secure for use in a multiuser environment as it writes to
343	F</tmp> directly.).
344
345	It listens to the C<selection-pastebin:remote-pastebin> keyboard command,
346	i.e.
347
348	URxvt.keysym.C-M-e: perl:selection-pastebin:remote-pastebin
349
350	Pressing this combination runs a command with C<%> replaced by the name of
351	the textfile. This command can be set via a resource:
352
353	URxvt.selection-pastebin.cmd: rsync -apP % ruth:/var/www/www.ta-sa.org/files/txt/.
354
355	And the default is likely not useful to anybody but the few people around
356	here :)
357
358	The name of the textfile is the hex encoded md5 sum of the selection, so
359	the same content should lead to the same filename.
360
361	After a successful upload the selection will be replaced by the text given
362	in the C<selection-pastebin-url> resource (again, the % is the placeholder
363	for the filename):
364
365	URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/%
366
367	I<Note to xrdb users:> xrdb uses the C preprocessor, which might interpret
368	the double C</> characters as comment start. Use C<\057\057> instead,
369	which works regardless of wether xrdb is used to parse the resource file
370	or not.
371
372	=item example-refresh-hooks
373
374	Displays a very simple digital clock in the upper right corner of the
375	window. Illustrates overwriting the refresh callbacks to create your own
376	overlays or changes.
377
378	=back
379		57
380	=head1 API DOCUMENTATION	58	=head1 API DOCUMENTATION
381		59
382	=head2 General API Considerations	60	=head2 General API Considerations
383		61
…		…
397		75
398	=over 4	76	=over 4
399		77
400	=item $text	78	=item $text
401		79
402	Rxvt-unicodes special way of encoding text, where one "unicode" character	80	Rxvt-unicode's special way of encoding text, where one "unicode" character
403	always represents one screen cell. See L<ROW_t> for a discussion of this format.	81	always represents one screen cell. See L<ROW_t> for a discussion of this format.
404		82
405	=item $string	83	=item $string
406		84
407	A perl text string, with an emphasis on I<text>. It can store all unicode	85	A perl text string, with an emphasis on I<text>. It can store all unicode
…		…
411	=item $octets	89	=item $octets
412		90
413	Either binary data or - more common - a text string encoded in a	91	Either binary data or - more common - a text string encoded in a
414	locale-specific way.	92	locale-specific way.
415		93
		94	=item $keysym
		95
		96	an integer that is a valid X11 keysym code. You can convert a string
		97	into a keysym and viceversa by using C<XStringToKeysym> and
		98	C<XKeysymToString>.
		99
416	=back	100	=back
417		101
418	=head2 Extension Objects	102	=head2 Extension Objects
419		103
420	Every perl extension is a perl class. A separate perl object is created	104	Every perl extension is a perl class. A separate perl object is created
421	for each terminal, and each terminal has its own set of extenion objects,	105	for each terminal, and each terminal has its own set of extension objects,
422	which are passed as the first parameter to hooks. So extensions can use	106	which are passed as the first parameter to hooks. So extensions can use
423	their C<$self> object without having to think about clashes with other	107	their C<$self> object without having to think about clashes with other
424	extensions or other terminals, with the exception of methods and members	108	extensions or other terminals, with the exception of methods and members
425	that begin with an underscore character C<_>: these are reserved for	109	that begin with an underscore character C<_>: these are reserved for
426	internal use.	110	internal use.
427		111
428	Although it isn't a C<urxvt::term> object, you can call all methods of the	112	Although it isn't a C<urxvt::term> object, you can call all methods of the
429	C<urxvt::term> class on this object.	113	C<urxvt::term> class on this object.
430		114
431	It has the following methods and data members:	115	Additional methods only supported for extension objects are described in
		116	the C<urxvt::extension> section below.
		117
		118	=head2 META comments
		119
		120	rxvt-unicode recognizes special comments in extensions that define
		121	different types of metadata:
432		122
433	=over 4	123	=over 4
434		124
435	=item $urxvt_term = $self->{term}	125	=item #:META:RESOURCE:name:type:desc
436		126
437	Returns the C<urxvt::term> object associated with this instance of the	127	The RESOURCE comment defines a resource used by the extension, where
438	extension. This member I<must not> be changed in any way.	128	C<name> is the resource name, C<type> is the resource type, C<boolean>
		129	or C<string>, and C<desc> is the resource description.
439		130
440	=item $self->enable ($hook_name => $cb, [$hook_name => $cb..])	131	=item #:META:BINDING:sym:action
441		132
442	Dynamically enable the given hooks (named without the C<on_> prefix) for	133	The BINDING comment defines a default binding for an action provided
443	this extension, replacing any previous hook. This is useful when you want	134	by the extension, where C<sym> is the key combination that triggers
444	to overwrite time-critical hooks only temporarily.	135	the action, whose format is defined in the description of the
445		136	B<keysym> resource in the urxvt(1) manpage, and C<action> is the name
446	=item $self->disable ($hook_name[, $hook_name..])	137	of the action method.
447
448	Dynamically disable the given hooks.
449		138
450	=back	139	=back
451		140
452	=head2 Hooks	141	=head2 Hooks
453		142
…		…
590	=item on_tt_write $term, $octets	279	=item on_tt_write $term, $octets
591		280
592	Called whenever some data is written to the tty/pty and can be used to	281	Called whenever some data is written to the tty/pty and can be used to
593	suppress or filter tty input.	282	suppress or filter tty input.
594		283
		284	=item on_tt_paste $term, $octets
		285
		286	Called whenever text is about to be pasted, with the text as argument. You
		287	can filter/change and paste the text yourself by returning a true value
		288	and calling C<< $term->tt_paste >> yourself. C<$octets> is
		289	locale-encoded.
		290
595	=item on_line_update $term, $row	291	=item on_line_update $term, $row
596		292
597	Called whenever a line was updated or changed. Can be used to filter	293	Called whenever a line was updated or changed. Can be used to filter
598	screen output (e.g. underline urls or other useless stuff). Only lines	294	screen output (e.g. underline urls or other useless stuff). Only lines
599	that are being shown will be filtered, and, due to performance reasons,	295	that are being shown will be filtered, and, due to performance reasons,
…		…
615		311
616	=item on_refresh_end $term	312	=item on_refresh_end $term
617		313
618	Called just after the screen gets redrawn. See C<on_refresh_begin>.	314	Called just after the screen gets redrawn. See C<on_refresh_begin>.
619		315
		316	=item on_action $term, $string
		317
		318	Called whenever an action is invoked for the corresponding extension
		319	(e.g. via a C<extension:string> builtin action bound to a key, see
		320	description of the B<keysym> resource in the urxvt(1) manpage). The
		321	event is simply the action string. Note that an action event is always
		322	associated to a single extension.
		323
620	=item on_user_command $term, $string	324	=item on_user_command $term, $string *DEPRECATED*
621		325
622	Called whenever a user-configured event is being activated (e.g. via	326	Called whenever a user-configured event is being activated (e.g. via
623	a C<perl:string> action bound to a key, see description of the B<keysym>	327	a C<perl:string> action bound to a key, see description of the B<keysym>
624	resource in the @@RXVT_NAME@@(1) manpage).	328	resource in the urxvt(1) manpage).
625		329
626	The event is simply the action string. This interface is assumed to change	330	The event is simply the action string. This interface is going away in
627	slightly in the future.	331	preference to the C<on_action> hook.
628		332
629	=item on_resize_all_windows $tern, $new_width, $new_height	333	=item on_resize_all_windows $term, $new_width, $new_height
630		334
631	Called just after the new window size has been calculated, but before	335	Called just after the new window size has been calculated, but before
632	windows are actually being resized or hints are being set. If this hook	336	windows are actually being resized or hints are being set. If this hook
633	returns TRUE, setting of the window hints is being skipped.	337	returns a true value, setting of the window hints is being skipped.
634		338
635	=item on_x_event $term, $event	339	=item on_x_event $term, $event
636		340
637	Called on every X event received on the vt window (and possibly other	341	Called on every X event received on the vt window (and possibly other
638	windows). Should only be used as a last resort. Most event structure	342	windows). Should only be used as a last resort. Most event structure
…		…
668		372
669	=item on_map_notify $term, $event	373	=item on_map_notify $term, $event
670		374
671	=item on_unmap_notify $term, $event	375	=item on_unmap_notify $term, $event
672		376
673	Called whenever the corresponding X event is received for the terminal If	377	Called whenever the corresponding X event is received for the terminal. If
674	the hook returns true, then the even will be ignored by rxvt-unicode.	378	the hook returns true, then the event will be ignored by rxvt-unicode.
675		379
676	The event is a hash with most values as named by Xlib (see the XEvent	380	The event is a hash with most values as named by Xlib (see the XEvent
677	manpage), with the additional members C<row> and C<col>, which are the	381	manpage), with the additional members C<row> and C<col>, which are the
678	(real, not screen-based) row and column under the mouse cursor.	382	(real, not screen-based) row and column under the mouse cursor.
679		383
680	C<on_key_press> additionally receives the string rxvt-unicode would	384	C<on_key_press> additionally receives the string rxvt-unicode would
681	output, if any, in locale-specific encoding.	385	output, if any, in locale-specific encoding.
682		386
683	subwindow.
684
685	=item on_client_message $term, $event	387	=item on_client_message $term, $event
686		388
687	=item on_wm_protocols $term, $event	389	=item on_wm_protocols $term, $event
688		390
689	=item on_wm_delete_window $term, $event	391	=item on_wm_delete_window $term, $event
690		392
691	Called when various types of ClientMessage events are received (all with	393	Called when various types of ClientMessage events are received (all with
692	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).	394	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
693		395
		396	=item on_bell $term
		397
		398	Called on receipt of a bell character.
		399
694	=back	400	=back
695		401
696	=cut	402	=cut
697		403
698	package urxvt;	404	package urxvt;
699		405
700	use utf8;	406	use utf8;
701	use strict;	407	use strict 'vars';
702	use Carp ();	408	use Carp ();
703	use Scalar::Util ();	409	use Scalar::Util ();
704	use List::Util ();	410	use List::Util ();
705		411
706	our $VERSION = 1;	412	our $VERSION = 1;
707	our $TERM;	413	our $TERM;
708	our @TERM_INIT;	414	our @TERM_INIT; # should go, prevents async I/O etc.
709	our @TERM_EXT;	415	our @TERM_EXT; # should go, prevents async I/O etc.
710	our @HOOKNAME;	416	our @HOOKNAME;
711	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;	417	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
712	our %OPTION;	418	our %OPTION;
713		419
714	our $LIBDIR;	420	our $LIBDIR;
…		…
762		468
763	=over 4	469	=over 4
764		470
765	=item urxvt::fatal $errormessage	471	=item urxvt::fatal $errormessage
766		472
767	Fatally aborts execution with the given error message. Avoid at all	473	Fatally aborts execution with the given error message (which should
768	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
769	starts up.	475	is acceptable (and useful) is in the init hook, where it prevents the
		476	terminal from starting up.
770		477
771	=item urxvt::warn $string	478	=item urxvt::warn $string
772		479
773	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
774	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
775	that calls this function.	482	that calls this function.
776		483
777	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
778	correct place, e.g. on stderr of the connecting urxvtc client.	485	correct place, e.g. on stderr of the connecting urxvtc client.
…		…
782	=item @terms = urxvt::termlist	489	=item @terms = urxvt::termlist
783		490
784	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
785	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
786	objects that have perl extensions attached will be returned (because there	493	objects that have perl extensions attached will be returned (because there
787	is no urxvt::term objet associated with others).	494	is no urxvt::term object associated with others).
788		495
789	=item $time = urxvt::NOW	496	=item $time = urxvt::NOW
790		497
791	Returns the "current time" (as per the event loop).	498	Returns the "current time" (as per the event loop).
792		499
…		…
835		542
836	=item $rend = urxvt::OVERLAY_RSTYLE	543	=item $rend = urxvt::OVERLAY_RSTYLE
837		544
838	Return the rendition mask used for overlays by default.	545	Return the rendition mask used for overlays by default.
839		546
840	=item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline	547	=item $rendbit = urxvt::RS_Bold, urxvt::RS_Italic, urxvt::RS_Blink,
		548	urxvt::RS_RVid, urxvt::RS_Uline
841		549
842	Return the bit that enabled bold, italic, blink, reverse-video and	550	Return the bit that enabled bold, italic, blink, reverse-video and
843	underline, respectively. To enable such a style, just logically OR it into	551	underline, respectively. To enable such a style, just logically OR it into
844	the bitset.	552	the bitset.
845		553
…		…
882	};	590	};
883	}	591	}
884		592
885	no warnings 'utf8';	593	no warnings 'utf8';
886		594
		595	sub parse_resource {
		596	my ($term, $name, $isarg, $longopt, $flag, $value) = @_;
		597
		598	$term->scan_extensions;
		599
		600	my $r = $term->{meta}{resource};
		601	keys %$r; # reset iterator
		602	while (my ($k, $v) = each %$r) {
		603	my $pattern = $k;
		604	$pattern =~ y/./-/ if $isarg;
		605	my $prefix = $name;
		606	my $suffix;
		607	if ($pattern =~ /\-$/) {
		608	$prefix = substr $name, 0, length $pattern;
		609	$suffix = substr $name, length $pattern;
		610	}
		611	if ($pattern eq $prefix) {
		612	$name = "$urxvt::RESCLASS.$k$suffix";
		613
		614	push @{ $term->{perl_ext_3} }, $v->[0];
		615
		616	if ($v->[1] eq "boolean") {
		617	$term->put_option_db ($name, $flag ? "true" : "false");
		618	return 1;
		619	} else {
		620	$term->put_option_db ($name, $value);
		621	return 1 + 2;
		622	}
		623	}
		624	}
		625
		626	0
		627	}
		628
		629	sub usage {
		630	my ($term, $usage_type) = @_;
		631
		632	$term->scan_extensions;
		633
		634	my $r = $term->{meta}{resource};
		635
		636	for my $pattern (sort keys %$r) {
		637	my ($ext, $type, $desc) = @{ $r->{$pattern} };
		638
		639	$desc .= " (-pe $ext)";
		640
		641	if ($usage_type == 1) {
		642	$pattern =~ y/./-/;
		643	$pattern =~ s/-$/-.../g;
		644
		645	if ($type eq "boolean") {
		646	urxvt::log sprintf " -%-30s %s\n", "/+$pattern", $desc;
		647	} else {
		648	urxvt::log sprintf " -%-30s %s\n", "$pattern $type", $desc;
		649	}
		650	} else {
		651	$pattern =~ s/\.$/.*/g;
		652	urxvt::log sprintf " %-31s %s\n", "$pattern:", $type;
		653	}
		654	}
		655	}
		656
887	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};	657	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
888		658
889	sub verbose {	659	sub verbose {
890	my ($level, $msg) = @_;	660	my ($level, $msg) = @_;
891	warn "$msg\n" if $level <= $verbosity;	661	warn "$msg\n" if $level <= $verbosity;
…		…
903	$pkg =~ s/[^[:word:]]/_/g;	673	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "urxvt::ext::$pkg";	674	$pkg = "urxvt::ext::$pkg";
905		675
906	verbose 3, "loading extension '$path' into package '$pkg'";	676	verbose 3, "loading extension '$path' into package '$pkg'";
907		677
		678	(${"$pkg\::_NAME"} = $path) =~ s/^.*[\\\/]//; # hackish
		679
908	open my $fh, "<:raw", $path	680	open my $fh, "<:raw", $path
909	or die "$path: $!";	681	or die "$path: $!";
910		682
911	my $source =	683	my $source =
912	"package $pkg; use strict; use utf8; no warnings 'utf8';\n"	684	"package $pkg; use strict 'vars'; use utf8; no warnings 'utf8';\n"
913	. "#line 1 \"$path\"\n{\n"	685	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })	686	. (do { local $/; <$fh> })
915	. "\n};\n1";	687	. "\n};\n1";
916		688
917	eval $source	689	eval $source
…		…
926	# called by the rxvt core	698	# called by the rxvt core
927	sub invoke {	699	sub invoke {
928	local $TERM = shift;	700	local $TERM = shift;
929	my $htype = shift;	701	my $htype = shift;
930		702
931	if ($htype == 0) { # INIT	703	if ($htype == HOOK_INIT) {
932	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");	704	my @dirs = $TERM->perl_libdirs;
		705
		706	$TERM->scan_extensions;
933		707
934	my %ext_arg;	708	my %ext_arg;
935		709
936	{	710	{
937	my @init = @TERM_INIT;	711	my @init = @TERM_INIT;
…		…
940	my @pkg = @TERM_EXT;	714	my @pkg = @TERM_EXT;
941	@TERM_EXT = ();	715	@TERM_EXT = ();
942	$TERM->register_package ($_) for @pkg;	716	$TERM->register_package ($_) for @pkg;
943	}	717	}
944		718
		719	for (
945	for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {	720	(grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2),
		721	@{ delete $TERM->{perl_ext_3} }
		722	) {
946	if ($_ eq "default") {	723	if ($_ eq "default") {
		724
		725	$ext_arg{$_} = []
		726	for
947	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline);	727	qw(selection option-popup selection-popup readline searchable-scrollback),
		728	map $_->[0], values %{ $TERM->{meta}{binding} };
		729
		730	for ($TERM->_keysym_resources) {
		731	next if /^(?:string|command|builtin|builtin-string|perl)/;
		732	next unless /^([A-Za-z0-9_\-]+):/;
		733
		734	my $ext = $1;
		735
		736	$ext_arg{$ext} = [];
		737	}
		738
948	} elsif (/^-(.*)$/) {	739	} elsif (/^-(.*)$/) {
949	delete $ext_arg{$1};	740	delete $ext_arg{$1};
		741
950	} elsif (/^([^<]+)<(.*)>$/) {	742	} elsif (/^([^<]+)<(.*)>$/) {
951	push @{ $ext_arg{$1} }, $2;	743	push @{ $ext_arg{$1} }, $2;
		744
952	} else {	745	} else {
953	$ext_arg{$_} ||= [];	746	$ext_arg{$_} ||= [];
		747	}
		748	}
		749
		750	# now register default key bindings
		751	for my $ext (sort keys %ext_arg) {
		752	while (my ($k, $v) = each %{ $TERM->{meta}{ext}{$ext}{binding} }) {
		753	$TERM->bind_action ($k, "$v->[0]:$v->[1]");
954	}	754	}
955	}	755	}
956		756
957	for my $ext (sort keys %ext_arg) {	757	for my $ext (sort keys %ext_arg) {
958	my @files = grep -f $_, map "$_/$ext", @dirs;	758	my @files = grep -f $_, map "$_/$ext", @dirs;
…		…
972		772
973	if (my $cb = $TERM->{_hook}[$htype]) {	773	if (my $cb = $TERM->{_hook}[$htype]) {
974	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"	774	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
975	if $verbosity >= 10;	775	if $verbosity >= 10;
976		776
		777	if ($htype == HOOK_ACTION) {
		778	# this hook is only sent to the extension with the name
		779	# matching the first arg
		780	my $pkg = shift;
		781	$pkg =~ y/-/_/;
		782	$pkg = "urxvt::ext::$pkg";
		783
		784	$cb = $cb->{$pkg}
		785	or return undef; #TODO: maybe warn user?
		786
		787	$cb = { $pkg => $cb };
		788	}
		789
977	for my $pkg (keys %$cb) {	790	for my $pkg (keys %$cb) {
978	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg}, @_) };	791	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg} || $TERM, @_) };
979	$retval ||= $retval_;	792	$retval ||= $retval_;
980		793
981	if ($@) {	794	if ($@) {
982	$TERM->ungrab; # better to lose the grab than the session	795	$TERM->ungrab; # better to lose the grab than the session
983	warn $@;	796	warn $@;
…		…
986		799
987	verbose 11, "$HOOKNAME[$htype] returning <$retval>"	800	verbose 11, "$HOOKNAME[$htype] returning <$retval>"
988	if $verbosity >= 11;	801	if $verbosity >= 11;
989	}	802	}
990		803
991	if ($htype == 1) { # DESTROY	804	if ($htype == HOOK_DESTROY) {
992	# clear package objects	805	# clear package objects
993	%$_ = () for values %{ $TERM->{_pkg} };	806	%$_ = () for values %{ $TERM->{_pkg} };
994		807
995	# clear package	808	# clear package
996	%$TERM = ();	809	%$TERM = ();
…		…
1026	}	839	}
1027	}	840	}
1028	($mask, @color{qw(fg bg)}, \@failed)	841	($mask, @color{qw(fg bg)}, \@failed)
1029	}	842	}
1030		843
1031	# urxvt::term::extension
1032
1033	package urxvt::term::extension;	844	package urxvt::term::extension;
1034		845
1035	sub enable {	846	=head2 The C<urxvt::term::extension> class
1036	my ($self, %hook) = @_;
1037	my $pkg = $self->{_pkg};
1038		847
1039	while (my ($name, $cb) = each %hook) {	848	Each extension attached to a terminal object is represented by
1040	my $htype = $HOOKTYPE{uc $name};	849	a C<urxvt::term::extension> object.
1041	defined $htype
1042	or Carp::croak "unsupported hook type '$name'";
1043		850
1044	$self->set_should_invoke ($htype, +1)	851	You can use these objects, which are passed to all callbacks to store any
1045	unless exists $self->{term}{_hook}[$htype]{$pkg};	852	state related to the terminal and extension instance.
1046		853
1047	$self->{term}{_hook}[$htype]{$pkg} = $cb;	854	The methods (And data members) documented below can be called on extension
1048	}	855	objects, in addition to call methods documented for the <urxvt::term>
1049	}	856	class.
1050		857
1051	sub disable {	858	=over 4
1052	my ($self, @hook) = @_;
1053	my $pkg = $self->{_pkg};
1054		859
1055	for my $name (@hook) {	860	=item $urxvt_term = $self->{term}
1056	my $htype = $HOOKTYPE{uc $name};
1057	defined $htype
1058	or Carp::croak "unsupported hook type '$name'";
1059		861
1060	$self->set_should_invoke ($htype, -1)	862	Returns the C<urxvt::term> object associated with this instance of the
1061	if delete $self->{term}{_hook}[$htype]{$pkg};	863	extension. This member I<must not> be changed in any way.
1062	}	864
1063	}	865	=cut
1064		866
1065	our $AUTOLOAD;	867	our $AUTOLOAD;
1066		868
1067	sub AUTOLOAD {	869	sub AUTOLOAD {
1068	$AUTOLOAD =~ /:([^:]+)$/	870	$AUTOLOAD =~ /:([^:]+)$/
…		…
1081		883
1082	sub DESTROY {	884	sub DESTROY {
1083	# nop	885	# nop
1084	}	886	}
1085		887
1086	# urxvt::destroy_hook	888	# urxvt::destroy_hook (basically a cheap Guard:: implementation)
1087		889
1088	sub urxvt::destroy_hook::DESTROY {	890	sub urxvt::destroy_hook::DESTROY {
1089	${$_[0]}->();	891	${$_[0]}->();
1090	}	892	}
1091		893
1092	sub urxvt::destroy_hook(&) {	894	sub urxvt::destroy_hook(&) {
1093	bless \shift, urxvt::destroy_hook::	895	bless \shift, urxvt::destroy_hook::
1094	}	896	}
		897
		898	=item $self->enable ($hook_name => $cb[, $hook_name => $cb..])
		899
		900	Dynamically enable the given hooks (named without the C<on_> prefix) for
		901	this extension, replacing any hook previously installed via C<enable> in
		902	this extension.
		903
		904	This is useful when you want to overwrite time-critical hooks only
		905	temporarily.
		906
		907	To install additional callbacks for the same hook, you can use the C<on>
		908	method of the C<urxvt::term> class.
		909
		910	=item $self->disable ($hook_name[, $hook_name..])
		911
		912	Dynamically disable the given hooks.
		913
		914	=cut
		915
		916	sub enable {
		917	my ($self, %hook) = @_;
		918	my $pkg = $self->{_pkg};
		919
		920	while (my ($name, $cb) = each %hook) {
		921	my $htype = $HOOKTYPE{uc $name};
		922	defined $htype
		923	or Carp::croak "unsupported hook type '$name'";
		924
		925	$self->set_should_invoke ($htype, +1)
		926	unless exists $self->{term}{_hook}[$htype]{$pkg};
		927
		928	$self->{term}{_hook}[$htype]{$pkg} = $cb;
		929	}
		930	}
		931
		932	sub disable {
		933	my ($self, @hook) = @_;
		934	my $pkg = $self->{_pkg};
		935
		936	for my $name (@hook) {
		937	my $htype = $HOOKTYPE{uc $name};
		938	defined $htype
		939	or Carp::croak "unsupported hook type '$name'";
		940
		941	$self->set_should_invoke ($htype, -1)
		942	if delete $self->{term}{_hook}[$htype]{$pkg};
		943	}
		944	}
		945
		946	=item $guard = $self->on ($hook_name => $cb[, $hook_name => $cb..])
		947
		948	Similar to the C<enable> enable, but installs additional callbacks for
		949	the given hook(s) (that is, it doesn't replace existing callbacks), and
		950	returns a guard object. When the guard object is destroyed the callbacks
		951	are disabled again.
		952
		953	=cut
		954
		955	sub urxvt::extension::on_disable::DESTROY {
		956	my $disable = shift;
		957
		958	my $term = delete $disable->{""};
		959
		960	while (my ($htype, $id) = each %$disable) {
		961	delete $term->{_hook}[$htype]{$id};
		962	$term->set_should_invoke ($htype, -1);
		963	}
		964	}
		965
		966	sub on {
		967	my ($self, %hook) = @_;
		968
		969	my $term = $self->{term};
		970
		971	my %disable = ( "" => $term );
		972
		973	while (my ($name, $cb) = each %hook) {
		974	my $htype = $HOOKTYPE{uc $name};
		975	defined $htype
		976	or Carp::croak "unsupported hook type '$name'";
		977
		978	$term->set_should_invoke ($htype, +1);
		979	$term->{_hook}[$htype]{ $disable{$htype} = $cb+0 }
		980	= sub { shift; $cb->($self, @_) }; # very ugly indeed
		981	}
		982
		983	bless \%disable, "urxvt::extension::on_disable"
		984	}
		985
		986	=item $self->x_resource ($pattern)
		987
		988	=item $self->x_resource_boolean ($pattern)
		989
		990	These methods support an additional C<%> prefix when called on an
		991	extension object - see the description of these methods in the
		992	C<urxvt::term> class for details.
		993
		994	=cut
		995
		996	sub x_resource {
		997	my ($self, $name) = @_;
		998	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		999	$self->{term}->x_resource ($name)
		1000	}
		1001
		1002	sub x_resource_boolean {
		1003	my ($self, $name) = @_;
		1004	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		1005	$self->{term}->x_resource_boolean ($name)
		1006	}
		1007
		1008	=back
		1009
		1010	=cut
1095		1011
1096	package urxvt::anyevent;	1012	package urxvt::anyevent;
1097		1013
1098	=head2 The C<urxvt::anyevent> Class	1014	=head2 The C<urxvt::anyevent> Class
1099		1015
1100	The sole purpose of this class is to deliver an interface to the	1016	The sole purpose of this class is to deliver an interface to the
1101	C<AnyEvent> module - any module using it will work inside urxvt without	1017	C<AnyEvent> module - any module using it will work inside urxvt without
1102	further programming. The only exception is that you cannot wait on	1018	further programming. The only exception is that you cannot wait on
1103	condition variables, but non-blocking condvar use is ok. What this means	1019	condition variables, but non-blocking condvar use is ok.
1104	is that you cannot use blocking APIs, but the non-blocking variant should
1105	work.
1106		1020
1107	=cut	1021	In practical terms this means is that you cannot use blocking APIs, but
		1022	the non-blocking variant should work.
1108		1023
		1024	=cut
		1025
1109	our $VERSION = '3.4';	1026	our $VERSION = '5.23';
1110		1027
1111	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there	1028	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
1112	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];	1029	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
1113		1030
1114	sub timer {	1031	sub timer {
…		…
1116		1033
1117	my $cb = $arg{cb};	1034	my $cb = $arg{cb};
1118		1035
1119	urxvt::timer	1036	urxvt::timer
1120	->new	1037	->new
1121	->start (urxvt::NOW + $arg{after})	1038	->after ($arg{after}, $arg{interval})
1122	->cb (sub {	1039	->cb ($arg{interval} ? $cb : sub {
1123	$_[0]->stop; # need to cancel manually	1040	$_[0]->stop; # need to cancel manually
1124	$cb->();	1041	$cb->();
1125	})	1042	})
1126	}	1043	}
1127		1044
1128	sub io {	1045	sub io {
1129	my ($class, %arg) = @_;	1046	my ($class, %arg) = @_;
1130		1047
1131	my $cb = $arg{cb};	1048	my $cb = $arg{cb};
		1049	my $fd = fileno $arg{fh};
		1050	defined $fd or $fd = $arg{fh};
1132		1051
1133	bless [$arg{fh}, urxvt::iow	1052	bless [$arg{fh}, urxvt::iow
1134	->new	1053	->new
1135	->fd (fileno $arg{fh})	1054	->fd ($fd)
1136	->events (($arg{poll} =~ /r/ ? 1 : 0)	1055	->events (($arg{poll} =~ /r/ ? 1 : 0)
1137	| ($arg{poll} =~ /w/ ? 2 : 0))	1056	| ($arg{poll} =~ /w/ ? 2 : 0))
1138	->start	1057	->start
1139	->cb (sub {	1058	->cb ($cb)
1140	$cb->(($_[1] & 1 ? 'r' : '')
1141	. ($_[1] & 2 ? 'w' : ''));
1142	})],
1143	urxvt::anyevent::	1059	], urxvt::anyevent::
		1060	}
		1061
		1062	sub idle {
		1063	my ($class, %arg) = @_;
		1064
		1065	my $cb = $arg{cb};
		1066
		1067	urxvt::iw
		1068	->new
		1069	->start
		1070	->cb ($cb)
		1071	}
		1072
		1073	sub child {
		1074	my ($class, %arg) = @_;
		1075
		1076	my $cb = $arg{cb};
		1077
		1078	urxvt::pw
		1079	->new
		1080	->start ($arg{pid})
		1081	->cb (sub {
		1082	$_[0]->stop; # need to cancel manually
		1083	$cb->($_[0]->rpid, $_[0]->rstatus);
		1084	})
1144	}	1085	}
1145		1086
1146	sub DESTROY {	1087	sub DESTROY {
1147	$_[0][1]->stop;	1088	$_[0][1]->stop;
1148	}	1089	}
1149		1090
		1091	# only needed for AnyEvent < 6 compatibility
1150	sub one_event {	1092	sub one_event {
1151	Carp::croak "AnyEvent->one_event blocking wait unsupported in urxvt, use a non-blocking API";	1093	Carp::croak "AnyEvent->one_event blocking wait unsupported in urxvt, use a non-blocking API";
1152	}	1094	}
1153		1095
1154	package urxvt::term;	1096	package urxvt::term;
…		…
1169	urxvt::verbose 6, "register package $pkg to $self";	1111	urxvt::verbose 6, "register package $pkg to $self";
1170		1112
1171	@{"$pkg\::ISA"} = urxvt::term::extension::;	1113	@{"$pkg\::ISA"} = urxvt::term::extension::;
1172		1114
1173	my $proxy = bless {	1115	my $proxy = bless {
1174	_pkg => $pkg,	1116	_pkg => $pkg,
		1117	_name => ${"$pkg\::_NAME"}, # hackish
1175	argv => $argv,	1118	argv => $argv,
1176	}, $pkg;	1119	}, $pkg;
1177	Scalar::Util::weaken ($proxy->{term} = $self);	1120	Scalar::Util::weaken ($proxy->{term} = $self);
1178		1121
1179	$self->{_pkg}{$pkg} = $proxy;	1122	$self->{_pkg}{$pkg} = $proxy;
1180		1123
…		…
1183	$proxy->enable ($name => $ref);	1126	$proxy->enable ($name => $ref);
1184	}	1127	}
1185	}	1128	}
1186	}	1129	}
1187		1130
		1131	sub perl_libdirs {
		1132	map { split /:/ }
		1133	$_[0]->resource ("perl_lib"),
		1134	$ENV{URXVT_PERL_LIB},
		1135	"$ENV{HOME}/.urxvt/ext",
		1136	"$LIBDIR/perl"
		1137	}
		1138
		1139	# scan for available extensions and collect their metadata
		1140	sub scan_extensions {
		1141	my ($self) = @_;
		1142
		1143	return if exists $self->{meta};
		1144
		1145	my @libdirs = perl_libdirs $self;
		1146
		1147	# return if $self->{meta_libdirs} eq join "\x00", @libdirs;#d#
		1148
		1149	# $self->{meta_libdirs} = join "\x00", @libdirs;#d#
		1150	$self->{meta} = \my %meta;
		1151
		1152	# first gather extensions
		1153	for my $dir (reverse @libdirs) {
		1154	opendir my $fh, $dir
		1155	or next;
		1156	for my $ext (readdir $fh) {
		1157	$ext !~ /^\./
		1158	and open my $fh, "<", "$dir/$ext"
		1159	or next;
		1160
		1161	my %ext = (dir => $dir);
		1162
		1163	while (<$fh>) {
		1164	if (/^#:META:(?:X_)?RESOURCE:(.*)/) {
		1165	my ($pattern, $type, $desc) = split /:/, $1;
		1166	$pattern =~ s/^%(\.|$)/$ext$1/g; # % in pattern == extension name
		1167	if ($pattern =~ /[^a-zA-Z0-9\-\.]/) {
		1168	warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n";
		1169	} else {
		1170	$ext{resource}{$pattern} = [$ext, $type, $desc];
		1171	}
		1172	} elsif (/^#:META:BINDING:(.*)/) {
		1173	my ($keysym, $action) = split /:/, $1;
		1174	$ext{binding}{$keysym} = [$ext, $action];
		1175	} elsif (/^\s*(?:#|$)/) {
		1176	# skip other comments and empty lines
		1177	} else {
		1178	last; # stop parsing on first non-empty non-comment line
		1179	}
		1180	}
		1181
		1182	$meta{ext}{$ext} = \%ext;
		1183	}
		1184	}
		1185
		1186	# and now merge resources and bindings
		1187	while (my ($k, $v) = each %{ $meta{ext} }) {
		1188	#TODO: should check for extensions overriding each other
		1189	%{ $meta{resource} } = (%{ $meta{resource} }, %{ $v->{resource} });
		1190	%{ $meta{binding} } = (%{ $meta{binding} }, %{ $v->{binding} });
		1191	}
		1192	}
		1193
1188	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]	1194	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
1189		1195
1190	Creates a new terminal, very similar as if you had started it with system	1196	Creates a new terminal, very similar as if you had started it with system
1191	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like	1197	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
1192	hash which defines the environment of the new terminal.	1198	hash which defines the environment of the new terminal.
…		…
1209	}	1215	}
1210		1216
1211	=item $term->destroy	1217	=item $term->destroy
1212		1218
1213	Destroy the terminal object (close the window, free resources	1219	Destroy the terminal object (close the window, free resources
1214	etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event	1220	etc.). Please note that urxvt will not exit as long as any event
1215	watchers (timers, io watchers) are still active.	1221	watchers (timers, io watchers) are still active.
1216		1222
1217	=item $term->exec_async ($cmd[, @args])	1223	=item $term->exec_async ($cmd[, @args])
1218		1224
1219	Works like the combination of the C<fork>/C<exec> builtins, which executes	1225	Works like the combination of the C<fork>/C<exec> builtins, which executes
…		…
1246	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.	1252	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
1247		1253
1248	Here is a likely non-exhaustive list of option names, please see the	1254	Here is a likely non-exhaustive list of option names, please see the
1249	source file F</src/optinc.h> to see the actual list:	1255	source file F</src/optinc.h> to see the actual list:
1250		1256
1251	borderLess console cursorBlink cursorUnderline hold iconic insecure	1257	borderLess buffered console cursorBlink cursorUnderline hold iconic
1252	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage	1258	insecure intensityStyles iso14755 iso14755_52 jumpScroll loginShell
1253	override-redirect pastableTabs pointerBlank reverseVideo scrollBar	1259	mapAlert meta8 mouseWheelScrollPage override_redirect pastableTabs
1254	scrollBar_floating scrollBar_right scrollTtyKeypress scrollTtyOutput	1260	pointerBlank reverseVideo scrollBar scrollBar_floating scrollBar_right
1255	scrollWithBuffer secondaryScreen secondaryScroll skipBuiltinGlyphs	1261	scrollTtyKeypress scrollTtyOutput scrollWithBuffer secondaryScreen
1256	transparent tripleclickwords utmpInhibit visualBell	1262	secondaryScroll skipBuiltinGlyphs skipScroll transparent tripleclickwords
		1263	urgentOnBell utmpInhibit visualBell
1257		1264
1258	=item $value = $term->resource ($name[, $newval])	1265	=item $value = $term->resource ($name[, $newval])
1259		1266
1260	Returns the current resource value associated with a given name and	1267	Returns the current resource value associated with a given name and
1261	optionally sets a new value. Setting values is most useful in the C<init>	1268	optionally sets a new value. Setting values is most useful in the C<init>
…		…
1274		1281
1275	Here is a likely non-exhaustive list of resource names, not all of which	1282	Here is a likely non-exhaustive list of resource names, not all of which
1276	are supported in every build, please see the source file F</src/rsinc.h>	1283	are supported in every build, please see the source file F</src/rsinc.h>
1277	to see the actual list:	1284	to see the actual list:
1278		1285
1279	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont	1286	answerbackstring backgroundPixmap backspace_key blurradius
1280	borderLess chdir color cursorBlink cursorUnderline cutchars delete_key	1287	boldFont boldItalicFont borderLess buffered chdir color cursorBlink
1281	display_name embed ext_bwidth fade font geometry hold iconName	1288	cursorUnderline cutchars delete_key depth display_name embed ext_bwidth
1282	imFont imLocale inputMethod insecure int_bwidth intensityStyles	1289	fade font geometry hold iconName iconfile imFont imLocale inputMethod
		1290	insecure int_bwidth intensityStyles iso14755 iso14755_52 italicFont
1283	italicFont jumpScroll lineSpace loginShell mapAlert meta8 modifier	1291	jumpScroll letterSpace lineSpace loginShell mapAlert meta8 modifier
1284	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval	1292	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
1285	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay	1293	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
1286	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar	1294	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
1287	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness	1295	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
1288	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle	1296	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
1289	secondaryScreen secondaryScroll shade term_name title	1297	secondaryScreen secondaryScroll shade skipBuiltinGlyphs skipScroll
1290	transient_for transparent transparent_all tripleclickwords utmpInhibit	1298	term_name title transient_for transparent tripleclickwords urgentOnBell
1291	visualBell	1299	utmpInhibit visualBell
1292		1300
1293	=cut	1301	=cut
1294		1302
1295	sub resource($$;$) {	1303	sub resource($$;$) {
1296	my ($self, $name) = (shift, shift);	1304	my ($self, $name) = (shift, shift);
…		…
1303	Returns the X-Resource for the given pattern, excluding the program or	1311	Returns the X-Resource for the given pattern, excluding the program or
1304	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the	1312	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
1305	same value as used by this instance of rxvt-unicode. Returns C<undef> if no	1313	same value as used by this instance of rxvt-unicode. Returns C<undef> if no
1306	resource with that pattern exists.	1314	resource with that pattern exists.
1307		1315
		1316	Extensions that define extra resources also need to call this method
		1317	to access their values.
		1318
		1319	If the method is called on an extension object (basically, from an
		1320	extension), then the special prefix C<%.> will be replaced by the name of
		1321	the extension and a dot, and the lone string C<%> will be replaced by the
		1322	extension name itself. This makes it possible to code extensions so you
		1323	can rename them and get a new set of resources without having to change
		1324	the actual code.
		1325
1308	This method should only be called during the C<on_start> hook, as there is	1326	This method should only be called during the C<on_start> hook, as there is
1309	only one resource database per display, and later invocations might return	1327	only one resource database per display, and later invocations might return
1310	the wrong resources.	1328	the wrong resources.
1311		1329
1312	=item $success = $term->parse_keysym ($keysym_spec, $command_string)	1330	=item $value = $term->x_resource_boolean ($pattern)
1313		1331
		1332	Like C<x_resource>, above, but interprets the string value as a boolean
		1333	and returns C<1> for true values, C<0> for false values and C<undef> if
		1334	the resource or option isn't specified.
		1335
		1336	You should always use this method to parse boolean resources.
		1337
		1338	=cut
		1339
		1340	sub x_resource_boolean {
		1341	my $res = &x_resource;
		1342
		1343	$res =~ /^\s*(?:true|yes|on|1)\s*$/i ? 1 : defined $res && 0
		1344	}
		1345
		1346	=item $success = $term->bind_action ($key, $octets)
		1347
1314	Adds a keymap translation exactly as specified via a resource. See the	1348	Adds a key binding exactly as specified via a C<keysym> resource. See the
1315	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.	1349	C<keysym> resource in the urxvt(1) manpage.
1316		1350
1317	=item $rend = $term->rstyle ([$new_rstyle])	1351	=item $rend = $term->rstyle ([$new_rstyle])
1318		1352
1319	Return and optionally change the current rendition. Text that is output by	1353	Return and optionally change the current rendition. Text that is output by
1320	the terminal application will use this style.	1354	the terminal application will use this style.
…		…
1328		1362
1329	=item ($row, $col) = $term->selection_beg ([$row, $col])	1363	=item ($row, $col) = $term->selection_beg ([$row, $col])
1330		1364
1331	=item ($row, $col) = $term->selection_end ([$row, $col])	1365	=item ($row, $col) = $term->selection_end ([$row, $col])
1332		1366
1333	Return the current values of the selection mark, begin or end positions,	1367	Return the current values of the selection mark, begin or end positions.
1334	and optionally set them to new values.	1368
		1369	When arguments are given, then the selection coordinates are set to
		1370	C<$row> and C<$col>, and the selection screen is set to the current
		1371	screen.
		1372
		1373	=item $screen = $term->selection_screen ([$screen])
		1374
		1375	Returns the current selection screen, and then optionally sets it.
1335		1376
1336	=item $term->selection_make ($eventtime[, $rectangular])	1377	=item $term->selection_make ($eventtime[, $rectangular])
1337		1378
1338	Tries to make a selection as set by C<selection_beg> and	1379	Tries to make a selection as set by C<selection_beg> and
1339	C<selection_end>. If C<$rectangular> is true (default: false), a	1380	C<selection_end>. If C<$rectangular> is true (default: false), a
1340	rectangular selection will be made. This is the prefered function to make	1381	rectangular selection will be made. This is the preferred function to make
1341	a selection.	1382	a selection.
1342		1383
1343	=item $success = $term->selection_grab ($eventtime)	1384	=item $success = $term->selection_grab ($eventtime[, $clipboard])
1344		1385
1345	Try to request the primary selection text from the server (for example, as	1386	Try to acquire ownership of the primary (clipboard if C<$clipboard> is
		1387	true) selection from the server. The corresponding text can be set
1346	set by the next method). No visual feedback will be given. This function	1388	with the next method. No visual feedback will be given. This function
1347	is mostly useful from within C<on_sel_grab> hooks.	1389	is mostly useful from within C<on_sel_grab> hooks.
1348		1390
1349	=item $oldtext = $term->selection ([$newtext])	1391	=item $oldtext = $term->selection ([$newtext, $clipboard])
1350		1392
1351	Return the current selection text and optionally replace it by C<$newtext>.	1393	Return the current selection (clipboard if C<$clipboard> is true) text
		1394	and optionally replace it by C<$newtext>.
		1395
		1396	=item $term->selection_clear ([$clipboard])
		1397
		1398	Revoke ownership of the primary (clipboard if C<$clipboard> is true) selection.
1352		1399
1353	=item $term->overlay_simple ($x, $y, $text)	1400	=item $term->overlay_simple ($x, $y, $text)
1354		1401
1355	Create a simple multi-line overlay box. See the next method for details.	1402	Create a simple multi-line overlay box. See the next method for details.
1356		1403
…		…
1386		1433
1387	The methods currently supported on C<urxvt::overlay> objects are:	1434	The methods currently supported on C<urxvt::overlay> objects are:
1388		1435
1389	=over 4	1436	=over 4
1390		1437
1391	=item $overlay->set ($x, $y, $text, $rend)	1438	=item $overlay->set ($x, $y, $text[, $rend])
1392		1439
1393	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts	1440	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts
1394	text in rxvt-unicode's special encoding and an array of rendition values	1441	text in rxvt-unicode's special encoding and an array of rendition values
1395	at a specific position inside the overlay.	1442	at a specific position inside the overlay.
		1443
		1444	If C<$rend> is missing, then the rendition will not be changed.
1396		1445
1397	=item $overlay->hide	1446	=item $overlay->hide
1398		1447
1399	If visible, hide the overlay, but do not destroy it.	1448	If visible, hide the overlay, but do not destroy it.
1400		1449
…		…
1463		1512
1464	=item $term->scr_add_lines ($string)	1513	=item $term->scr_add_lines ($string)
1465		1514
1466	Write the given text string to the screen, as if output by the application	1515	Write the given text string to the screen, as if output by the application
1467	running inside the terminal. It may not contain command sequences (escape	1516	running inside the terminal. It may not contain command sequences (escape
1468	codes), but is free to use line feeds, carriage returns and tabs. The	1517	codes - see C<cmd_parse> for that), but is free to use line feeds,
1469	string is a normal text string, not in locale-dependent encoding.	1518	carriage returns and tabs. The string is a normal text string, not in
		1519	locale-dependent encoding.
1470		1520
1471	Normally its not a good idea to use this function, as programs might be	1521	Normally its not a good idea to use this function, as programs might be
1472	confused by changes in cursor position or scrolling. Its useful inside a	1522	confused by changes in cursor position or scrolling. Its useful inside a
1473	C<on_add_lines> hook, though.	1523	C<on_add_lines> hook, though.
1474		1524
…		…
1482	locale-specific encoding of the terminal and can contain command sequences	1532	locale-specific encoding of the terminal and can contain command sequences
1483	(escape codes) that will be interpreted.	1533	(escape codes) that will be interpreted.
1484		1534
1485	=item $term->tt_write ($octets)	1535	=item $term->tt_write ($octets)
1486		1536
1487	Write the octets given in C<$data> to the tty (i.e. as program input). To	1537	Write the octets given in C<$octets> to the tty (i.e. as user input
		1538	to the program, see C<cmd_parse> for the opposite direction). To pass
1488	pass characters instead of octets, you should convert your strings first	1539	characters instead of octets, you should convert your strings first to the
1489	to the locale-specific encoding using C<< $term->locale_encode >>.	1540	locale-specific encoding using C<< $term->locale_encode >>.
		1541
		1542	=item $term->tt_write_user_input ($octets)
		1543
		1544	Like C<tt_write>, but should be used when writing strings in response to
		1545	the user pressing a key, to invoke the additional actions requested by
		1546	the user for that case (C<tt_write> doesn't do that).
		1547
		1548	The typical use case would be inside C<on_action> hooks.
		1549
		1550	=item $term->tt_paste ($octets)
		1551
		1552	Write the octets given in C<$octets> to the tty as a paste, converting NL to
		1553	CR and bracketing the data with control sequences if bracketed paste mode
		1554	is set.
1490		1555
1491	=item $old_events = $term->pty_ev_events ([$new_events])	1556	=item $old_events = $term->pty_ev_events ([$new_events])
1492		1557
1493	Replaces the event mask of the pty watcher by the given event mask. Can	1558	Replaces the event mask of the pty watcher by the given event mask. Can
1494	be used to suppress input and output handling to the pty/tty. See the	1559	be used to suppress input and output handling to the pty/tty. See the
…		…
1512		1577
1513	Adds the specified events to the vt event mask. Useful e.g. when you want	1578	Adds the specified events to the vt event mask. Useful e.g. when you want
1514	to receive pointer events all the times:	1579	to receive pointer events all the times:
1515		1580
1516	$term->vt_emask_add (urxvt::PointerMotionMask);	1581	$term->vt_emask_add (urxvt::PointerMotionMask);
		1582
		1583	=item $term->set_urgency ($set)
		1584
		1585	Enable/disable the urgency hint on the toplevel window.
1517		1586
1518	=item $term->focus_in	1587	=item $term->focus_in
1519		1588
1520	=item $term->focus_out	1589	=item $term->focus_out
1521		1590
…		…
1718	}	1787	}
1719		1788
1720	sub urxvt::line::t {	1789	sub urxvt::line::t {
1721	my ($self) = @_;	1790	my ($self) = @_;
1722		1791
1723	if (@_ > 1)	1792	if (@_ > 1) {
1724	{
1725	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1793	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1726	for $self->{beg} .. $self->{end};	1794	for $self->{beg} .. $self->{end};
1727	}	1795	}
1728		1796
1729	defined wantarray &&	1797	defined wantarray &&
1730	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),	1798	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),
1731	0, $self->{len}	1799	0, $self->{len}
1732	}	1800	}
1733		1801
1734	sub urxvt::line::r {	1802	sub urxvt::line::r {
1735	my ($self) = @_;	1803	my ($self) = @_;
1736		1804
1737	if (@_ > 1)	1805	if (@_ > 1) {
1738	{
1739	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1806	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1740	for $self->{beg} .. $self->{end};	1807	for $self->{beg} .. $self->{end};
1741	}	1808	}
1742		1809
1743	if (defined wantarray) {	1810	if (defined wantarray) {
1744	my $rend = [	1811	my $rend = [
1745	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}	1812	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}
1746	];	1813	];
…		…
1808	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most	1875	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
1809	recent grab.	1876	recent grab.
1810		1877
1811	=item $term->ungrab	1878	=item $term->ungrab
1812		1879
1813	Calls XUngrab for the most recent grab. Is called automatically on	1880	Calls XUngrabPointer and XUngrabKeyboard for the most recent grab. Is called automatically on
1814	evaluation errors, as it is better to lose the grab in the error case as	1881	evaluation errors, as it is better to lose the grab in the error case as
1815	the session.	1882	the session.
1816		1883
1817	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])	1884	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
1818		1885
…		…
1838		1905
1839	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)	1906	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
1840		1907
1841	=item $term->XChangeInput ($window, $add_events[, $del_events])	1908	=item $term->XChangeInput ($window, $add_events[, $del_events])
1842		1909
		1910	=item $keysym = $term->XStringToKeysym ($string)
		1911
		1912	=item $string = $term->XKeysymToString ($keysym)
		1913
1843	Various X or X-related functions. The C<$term> object only serves as	1914	Various X or X-related functions. The C<$term> object only serves as
1844	the source of the display, otherwise those functions map more-or-less	1915	the source of the display, otherwise those functions map more-or-less
1845	directory onto the X functions of the same name.	1916	directly onto the X functions of the same name.
1846		1917
1847	=back	1918	=back
1848		1919
1849	=cut	1920	=cut
1850		1921
…		…
2007		2078
2008	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })	2079	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })
2009		2080
2010	Set the callback to be called when the timer triggers.	2081	Set the callback to be called when the timer triggers.
2011		2082
2012	=item $tstamp = $timer->at
2013
2014	Return the time this watcher will fire next.
2015
2016	=item $timer = $timer->set ($tstamp)	2083	=item $timer = $timer->set ($tstamp[, $interval])
2017		2084
2018	Set the time the event is generated to $tstamp.	2085	Set the time the event is generated to $tstamp (and optionally specifies a
		2086	new $interval).
2019		2087
2020	=item $timer = $timer->interval ($interval)	2088	=item $timer = $timer->interval ($interval)
2021		2089
2022	Normally (and when C<$interval> is C<0>), the timer will automatically	2090	By default (and when C<$interval> is C<0>), the timer will automatically
2023	stop after it has fired once. If C<$interval> is non-zero, then the timer	2091	stop after it has fired once. If C<$interval> is non-zero, then the timer
2024	is automatically rescheduled at the given intervals.	2092	is automatically rescheduled at the given intervals.
2025		2093
2026	=item $timer = $timer->start	2094	=item $timer = $timer->start
2027		2095
2028	Start the timer.	2096	Start the timer.
2029		2097
2030	=item $timer = $timer->start ($tstamp)	2098	=item $timer = $timer->start ($tstamp[, $interval])
2031		2099
2032	Set the event trigger time to C<$tstamp> and start the timer.	2100	Set the event trigger time to C<$tstamp> and start the timer. Optionally
		2101	also replaces the interval.
2033		2102
2034	=item $timer = $timer->after ($delay)	2103	=item $timer = $timer->after ($delay[, $interval])
2035		2104
2036	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.	2105	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
2037		2106
2038	=item $timer = $timer->stop	2107	=item $timer = $timer->stop
2039		2108
…		…
2170		2239
2171	=back	2240	=back
2172		2241
2173	=head1 AUTHOR	2242	=head1 AUTHOR
2174		2243
2175	Marc Lehmann <pcg@goof.com>	2244	Marc Lehmann <schmorp@schmorp.de>
2176	http://software.schmorp.de/pkg/rxvt-unicode	2245	http://software.schmorp.de/pkg/rxvt-unicode
2177		2246
2178	=cut	2247	=cut
2179		2248
2180	1	2249	1

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