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Revision 1.121 by root, Fri Jan 20 22:49:34 2006 UTC vs.
Revision 1.253 by sf-exg, Fri Jan 16 20:13:01 2015 UTC

1	=encoding utf8	1	=encoding utf8
2		2
3	=head1 NAME	3	=head1 NAME
4		4
5	@@RXVT_NAME@@perl - rxvt-unicode's embedded perl interpreter	5	urxvtperl - rxvt-unicode's embedded perl interpreter
6		6
7	=head1 SYNOPSIS	7	=head1 SYNOPSIS
8		8
9	# create a file grab_test in $HOME:	9	# create a file grab_test in $HOME:
10		10
11	sub on_sel_grab {	11	sub on_sel_grab {
12	warn "you selected ", $_[0]->selection;	12	warn "you selected ", $_[0]->selection;
13	()	13	()
14	}	14	}
15		15
16	# start a @@RXVT_NAME@@ using it:	16	# start a urxvt using it:
17		17
18	@@RXVT_NAME@@ --perl-lib $HOME -pe grab_test	18	urxvt --perl-lib $HOME -pe grab_test
19		19
20	=head1 DESCRIPTION	20	=head1 DESCRIPTION
21		21
22	Everytime a terminal object gets created, extension scripts specified via	22	Every time a terminal object gets created, extension scripts specified via
23	the C<perl> resource are loaded and associated with it.	23	the C<perl> resource are loaded and associated with it.
24		24
25	Scripts are compiled in a 'use strict' and 'use utf8' environment, and	25	Scripts are compiled in a 'use strict "vars"' and 'use utf8' environment, and
26	thus must be encoded as UTF-8.	26	thus must be encoded as UTF-8.
27		27
28	Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where	28	Each script will only ever be loaded once, even in urxvtd, where
29	scripts will be shared (but not enabled) for all terminals.	29	scripts will be shared (but not enabled) for all terminals.
30		30
		31	You can disable the embedded perl interpreter by setting both "perl-ext"
		32	and "perl-ext-common" resources to the empty string.
		33
31	=head1 PREPACKAGED EXTENSIONS	34	=head1 PREPACKAGED EXTENSIONS
32		35
33	This section describes the extensions delivered with this release. You can	36	A number of extensions are delivered with this release. You can find them
34	find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>.	37	in F<< <libdir>/urxvt/perl/ >>, and the documentation can be viewed using
		38	F<< man urxvt-<EXTENSIONNAME> >>.
35		39
36	You can activate them like this:	40	You can activate them like this:
37		41
38	@@RXVT_NAME@@ -pe <extensionname>	42	urxvt -pe <extensionname>
39		43
40	Or by adding them to the resource for extensions loaded by default:	44	Or by adding them to the resource for extensions loaded by default:
41		45
42	URxvt.perl-ext-common: default,automove-background,selection-autotransform	46	URxvt.perl-ext-common: default,selection-autotransform
43		47
44	=over 4	48	Extensions may add additional resources and C<actions>, i.e., methods
45		49	which can be bound to a key and invoked by the user. An extension can
46	=item selection (enabled by default)	50	define the resources it support using so called META comments,
47		51	described below. Similarly to builtin resources, extension resources
48	(More) intelligent selection. This extension tries to be more intelligent	52	can also be specified on the command line as long options (with C<.>
49	when the user extends selections (double-click and further clicks). Right	53	replaced by C<->), in which case the corresponding extension is loaded
50	now, it tries to select words, urls and complete shell-quoted	54	automatically. For this to work the extension B<must> define META
51	arguments, which is very convenient, too, if your F<ls> supports	55	comments for its resources.
52	C<--quoting-style=shell>.
53
54	A double-click usually selects the word under the cursor, further clicks
55	will enlarge the selection.
56
57	The selection works by trying to match a number of regexes and displaying
58	them in increasing order of length. You can add your own regexes by
59	specifying resources of the form:
60
61	URxvt.selection.pattern-0: perl-regex
62	URxvt.selection.pattern-1: perl-regex
63	...
64
65	The index number (0, 1...) must not have any holes, and each regex must
66	contain at least one pair of capturing parentheses, which will be used for
67	the match. For example, the followign adds a regex that matches everything
68	between two vertical bars:
69
70	URxvt.selection.pattern-0: \\|([^|]+)\\|
71
72	You can look at the source of the selection extension to see more
73	interesting uses, such as parsing a line from beginning to end.
74
75	This extension also offers following bindable keyboard commands:
76
77	=over 4
78
79	=item rot13
80
81	Rot-13 the selection when activated. Used via keyboard trigger:
82
83	URxvt.keysym.C-M-r: perl:selection:rot13
84
85	=back
86
87	=item option-popup (enabled by default)
88
89	Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at
90	runtime.
91
92	=item selection-popup (enabled by default)
93
94	Binds a popup menu to Ctrl-Button3 that lets you convert the selection
95	text into various other formats/action (such as uri unescaping, perl
96	evaluation, web-browser starting etc.), depending on content.
97
98	Other extensions can extend this popup menu by pushing a code reference
99	onto C<@{ $term->{selection_popup_hook} }>, that is called whenever the
100	popup is displayed.
101
102	It's sole argument is the popup menu, which can be modified. The selection
103	is in C<$_>, which can be used to decide wether to add something or not.
104	It should either return nothing or a string and a code reference. The
105	string will be used as button text and the code reference will be called
106	when the button gets activated and should transform C<$_>.
107
108	The following will add an entry C<a to b> that transforms all C<a>s in
109	the selection to C<b>s, but only if the selection currently contains any
110	C<a>s:
111
112	push @{ $self->{term}{selection_popup_hook} }, sub {
113	/a/ ? ("a to be" => sub { s/a/b/g }
114	: ()
115	};
116
117	=item searchable-scrollback<hotkey> (enabled by default)
118
119	Adds regex search functionality to the scrollback buffer, triggered
120	by a hotkey (default: C<M-s>). While in search mode, normal terminal
121	input/output is suspended and a regex is displayed at the bottom of the
122	screen.
123
124	Inputting characters appends them to the regex and continues incremental
125	search. C<BackSpace> removes a character from the regex, C<Up> and C<Down>
126	search upwards/downwards in the scrollback buffer, C<End> jumps to the
127	bottom. C<Escape> leaves search mode and returns to the point where search
128	was started, while C<Enter> or C<Return> stay at the current position and
129	additionally stores the first match in the current line into the primary
130	selection.
131
132	=item selection-autotransform
133
134	This selection allows you to do automatic transforms on a selection
135	whenever a selection is made.
136
137	It works by specifying perl snippets (most useful is a single C<s///>
138	operator) that modify C<$_> as resources:
139
140	URxvt.selection-autotransform.0: transform
141	URxvt.selection-autotransform.1: transform
142	...
143
144	For example, the following will transform selections of the form
145	C<filename:number>, often seen in compiler messages, into C<vi +$filename
146	$word>:
147
148	URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/
149
150	And this example matches the same,but replaces it with vi-commands you can
151	paste directly into your (vi :) editor:
152
153	URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/:e \\Q$1\\E\\x0d:$2\\x0d/
154
155	Of course, this can be modified to suit your needs and your editor :)
156
157	To expand the example above to typical perl error messages ("XXX at
158	FILENAME line YYY."), you need a slightly more elaborate solution:
159
160	URxvt.selection.pattern-0: ( at .*? line \\d+[,.])
161	URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)[,.]$/:e \\Q$1\E\\x0d:$2\\x0d/
162
163	The first line tells the selection code to treat the unchanging part of
164	every error message as a selection pattern, and the second line transforms
165	the message into vi commands to load the file.
166
167	=item readline
168
169	A support package that tries to make editing with readline easier. At the
170	moment, it reacts to clicking with the left mouse button by trying to
171	move the text cursor to this position. It does so by generating as many
172	cursor-left or cursor-right keypresses as required (the this only works
173	for programs that correctly support wide characters).
174
175	It only works when clicking into the same line (possibly extended over
176	multiple rows) as the text cursor and on the primary screen, to reduce the
177	risk of misinterpreting. The normal selection isn't disabled, so quick
178	successive clicks might interfere with selection creation in harmless
179	ways.
180
181	=item tabbed
182
183	This transforms the terminal into a tabbar with additional terminals, that
184	is, it implements what is commonly refered to as "tabbed terminal". The topmost line
185	displays a "[NEW]" button, which, when clicked, will add a new tab, followed by one
186	button per tab.
187
188	Clicking a button will activate that tab. Pressing B<Shift-Left> and
189	B<Shift-Right> will switch to the tab left or right of the current one,
190	while B<Shift-Down> creates a new tab.
191
192	=item mark-urls
193
194	Uses per-line display filtering (C<on_line_update>) to underline urls and
195	make them clickable. When middle-clicked, the program specified in the
196	resource C<urlLauncher> (default C<x-www-browser>) will be started with
197	the URL as first argument.
198
199	=item automove-background
200
201	This is basically a one-line extension that dynamically changes the background pixmap offset
202	to the window position, in effect creating the same effect as pseudo transparency with
203	a custom pixmap. No scaling is supported in this mode. Exmaple:
204
205	@@RXVT_NAME@@ -pixmap background.xpm -pe automove-background
206
207	=item block-graphics-to-ascii
208
209	A not very useful example of filtering all text output to the terminal,
210	by replacing all line-drawing characters (U+2500 .. U+259F) by a
211	similar-looking ascii character.
212
213	=item digital-clock
214
215	Displays a digital clock using the built-in overlay.
216
217	=item example-refresh-hooks
218
219	Displays a very simple digital clock in the upper right corner of the
220	window. Illustrates overwriting the refresh callbacks to create your own
221	overlays or changes.
222
223	=item selection-pastebin
224
225	This is a little rarely useful extension that Uploads the selection as
226	textfile to a remote site (or does other things). (The implementation is
227	not currently secure for use in a multiuser environment as it writes to
228	F</tmp> directly.).
229
230	It listens to the C<selection-pastebin:remote-pastebin> keyboard command,
231	i.e.
232
233	URxvt.keysym.C-M-e: perl:selection-pastebin:remote-pastebin
234
235	Pressing this combination runs a command with C<%> replaced by the name of
236	the textfile. This command can be set via a resource:
237
238	URxvt.selection-pastebin.cmd: rsync -apP % ruth:/var/www/www.ta-sa.org/files/txt/.
239
240	And the default is likely not useful to anybody but the few people around
241	here :)
242
243	The name of the textfile is the hex encoded md5 sum of the selection, so
244	the same content should lead to the same filename.
245
246	After a successful upload the selection will be replaced by the text given
247	in the C<selection-pastebin-url> resource (again, the % is the placeholder
248	for the filename):
249
250	URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/%
251
252	=back
253		56
254	=head1 API DOCUMENTATION	57	=head1 API DOCUMENTATION
255		58
256	=head2 General API Considerations	59	=head2 General API Considerations
257		60
…		…
271		74
272	=over 4	75	=over 4
273		76
274	=item $text	77	=item $text
275		78
276	Rxvt-unicodes special way of encoding text, where one "unicode" character	79	Rxvt-unicode's special way of encoding text, where one "unicode" character
277	always represents one screen cell. See L<ROW_t> for a discussion of this format.	80	always represents one screen cell. See L<ROW_t> for a discussion of this format.
278		81
279	=item $string	82	=item $string
280		83
281	A perl text string, with an emphasis on I<text>. It can store all unicode	84	A perl text string, with an emphasis on I<text>. It can store all unicode
…		…
285	=item $octets	88	=item $octets
286		89
287	Either binary data or - more common - a text string encoded in a	90	Either binary data or - more common - a text string encoded in a
288	locale-specific way.	91	locale-specific way.
289		92
		93	=item $keysym
		94
		95	an integer that is a valid X11 keysym code. You can convert a string
		96	into a keysym and viceversa by using C<XStringToKeysym> and
		97	C<XKeysymToString>.
		98
290	=back	99	=back
291		100
292	=head2 Extension Objects	101	=head2 Extension Objects
293		102
294	Very perl extension is a perl class. A separate perl object is created	103	Every perl extension is a perl class. A separate perl object is created
295	for each terminal and each extension and passed as the first parameter to	104	for each terminal, and each terminal has its own set of extension objects,
296	hooks. So extensions can use their C<$self> object without having to think	105	which are passed as the first parameter to hooks. So extensions can use
297	about other extensions, with the exception of methods and members that	106	their C<$self> object without having to think about clashes with other
		107	extensions or other terminals, with the exception of methods and members
298	begin with an underscore character C<_>: these are reserved for internal	108	that begin with an underscore character C<_>: these are reserved for
299	use.	109	internal use.
300		110
301	Although it isn't a C<urxvt::term> object, you can call all methods of the	111	Although it isn't a C<urxvt::term> object, you can call all methods of the
302	C<urxvt::term> class on this object.	112	C<urxvt::term> class on this object.
303		113
304	It has the following methods and data members:	114	Additional methods only supported for extension objects are described in
		115	the C<urxvt::extension> section below.
		116
		117	=head2 META comments
		118
		119	Rxvt-unicode recognizes special meta comments in extensions that define
		120	different types of metadata.
		121
		122	Currently, it recognises only one such comment:
305		123
306	=over 4	124	=over 4
307		125
308	=item $urxvt_term = $self->{term}	126	=item #:META:RESOURCE:name:type:desc
309		127
310	Returns the C<urxvt::term> object associated with this instance of the	128	The RESOURCE comment defines a resource used by the extension, where
311	extension. This member I<must not> be changed in any way.	129	C<name> is the resource name, C<type> is the resource type, C<boolean>
312		130	or C<string>, and C<desc> is the resource description.
313	=item $self->enable ($hook_name => $cb, [$hook_name => $cb..])
314
315	Dynamically enable the given hooks (named without the C<on_> prefix) for
316	this extension, replacing any previous hook. This is useful when you want
317	to overwrite time-critical hooks only temporarily.
318
319	=item $self->disable ($hook_name[, $hook_name..])
320
321	Dynamically disable the given hooks.
322		131
323	=back	132	=back
324		133
325	=head2 Hooks	134	=head2 Hooks
326		135
327	The following subroutines can be declared in extension files, and will be	136	The following subroutines can be declared in extension files, and will be
328	called whenever the relevant event happens.	137	called whenever the relevant event happens.
329		138
330	The first argument passed to them is an extension oject as described in	139	The first argument passed to them is an extension object as described in
331	the in the C<Extension Objects> section.	140	the in the C<Extension Objects> section.
332		141
333	B<All> of these hooks must return a boolean value. If any of the called	142	B<All> of these hooks must return a boolean value. If any of the called
334	hooks returns true, then the event counts as being I<consumed>, and the	143	hooks returns true, then the event counts as being I<consumed>, and the
335	relevant action might not be carried out by the C++ code.	144	relevant action might not be carried out by the C++ code.
…		…
348	place.	157	place.
349		158
350	=item on_start $term	159	=item on_start $term
351		160
352	Called at the very end of initialisation of a new terminal, just before	161	Called at the very end of initialisation of a new terminal, just before
353	trying to map (display) the toplevel and returning to the mainloop.	162	trying to map (display) the toplevel and returning to the main loop.
354		163
355	=item on_destroy $term	164	=item on_destroy $term
356		165
357	Called whenever something tries to destroy terminal, before doing anything	166	Called whenever something tries to destroy terminal, when the terminal is
358	yet. If this hook returns true, then destruction is skipped, but this is	167	still fully functional (not for long, though).
359	rarely a good idea.
360		168
361	=item on_reset $term	169	=item on_reset $term
362		170
363	Called after the screen is "reset" for any reason, such as resizing or	171	Called after the screen is "reset" for any reason, such as resizing or
364	control sequences. Here is where you can react on changes to size-related	172	control sequences. Here is where you can react on changes to size-related
…		…
386		194
387	Called whenever a selection has been copied, but before the selection is	195	Called whenever a selection has been copied, but before the selection is
388	requested from the server. The selection text can be queried and changed	196	requested from the server. The selection text can be queried and changed
389	by calling C<< $term->selection >>.	197	by calling C<< $term->selection >>.
390		198
391	Returning a true value aborts selection grabbing. It will still be hilighted.	199	Returning a true value aborts selection grabbing. It will still be highlighted.
392		200
393	=item on_sel_extend $term	201	=item on_sel_extend $term
394		202
395	Called whenever the user tries to extend the selection (e.g. with a double	203	Called whenever the user tries to extend the selection (e.g. with a double
396	click) and is either supposed to return false (normal operation), or	204	click) and is either supposed to return false (normal operation), or
397	should extend the selection itelf and return true to suppress the built-in	205	should extend the selection itself and return true to suppress the built-in
398	processing. This can happen multiple times, as long as the callback	206	processing. This can happen multiple times, as long as the callback
399	returns true, it will be called on every further click by the user and is	207	returns true, it will be called on every further click by the user and is
400	supposed to enlarge the selection more and more, if possible.	208	supposed to enlarge the selection more and more, if possible.
401		209
402	See the F<selection> example extension.	210	See the F<selection> example extension.
403		211
404	=item on_view_change $term, $offset	212	=item on_view_change $term, $offset
405		213
406	Called whenever the view offset changes, i..e the user or program	214	Called whenever the view offset changes, i.e. the user or program
407	scrolls. Offset C<0> means display the normal terminal, positive values	215	scrolls. Offset C<0> means display the normal terminal, positive values
408	show this many lines of scrollback.	216	show this many lines of scrollback.
409		217
410	=item on_scroll_back $term, $lines, $saved	218	=item on_scroll_back $term, $lines, $saved
411		219
…		…
415		223
416	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,	224	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,
417	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total	225	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total
418	number of lines that will be in the scrollback buffer.	226	number of lines that will be in the scrollback buffer.
419		227
420	=item on_osc_seq $term, $string	228	=item on_osc_seq $term, $op, $args, $resp
		229
		230	Called on every OSC sequence and can be used to suppress it or modify its
		231	behaviour. The default should be to return an empty list. A true value
		232	suppresses execution of the request completely. Make sure you don't get
		233	confused by recursive invocations when you output an OSC sequence within
		234	this callback.
		235
		236	C<on_osc_seq_perl> should be used for new behaviour.
		237
		238	=item on_osc_seq_perl $term, $args, $resp
421		239
422	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =	240	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
423	operating system command) is processed. Cursor position and other state	241	operating system command) is processed. Cursor position and other state
424	information is up-to-date when this happens. For interoperability, the	242	information is up-to-date when this happens. For interoperability, the
425	string should start with the extension name and a colon, to distinguish	243	string should start with the extension name (sans -osc) and a semicolon,
426	it from commands for other extensions, and this might be enforced in the	244	to distinguish it from commands for other extensions, and this might be
427	future.	245	enforced in the future.
		246
		247	For example, C<overlay-osc> uses this:
		248
		249	sub on_osc_seq_perl {
		250	my ($self, $osc, $resp) = @_;
		251
		252	return unless $osc =~ s/^overlay;//;
		253
		254	... process remaining $osc string
		255	}
428		256
429	Be careful not ever to trust (in a security sense) the data you receive,	257	Be careful not ever to trust (in a security sense) the data you receive,
430	as its source can not easily be controleld (e-mail content, messages from	258	as its source can not easily be controlled (e-mail content, messages from
431	other users on the same system etc.).	259	other users on the same system etc.).
		260
		261	For responses, C<$resp> contains the end-of-args separator used by the
		262	sender.
432		263
433	=item on_add_lines $term, $string	264	=item on_add_lines $term, $string
434		265
435	Called whenever text is about to be output, with the text as argument. You	266	Called whenever text is about to be output, with the text as argument. You
436	can filter/change and output the text yourself by returning a true value	267	can filter/change and output the text yourself by returning a true value
…		…
441	=item on_tt_write $term, $octets	272	=item on_tt_write $term, $octets
442		273
443	Called whenever some data is written to the tty/pty and can be used to	274	Called whenever some data is written to the tty/pty and can be used to
444	suppress or filter tty input.	275	suppress or filter tty input.
445		276
		277	=item on_tt_paste $term, $octets
		278
		279	Called whenever text is about to be pasted, with the text as argument. You
		280	can filter/change and paste the text yourself by returning a true value
		281	and calling C<< $term->tt_paste >> yourself. C<$octets> is
		282	locale-encoded.
		283
446	=item on_line_update $term, $row	284	=item on_line_update $term, $row
447		285
448	Called whenever a line was updated or changed. Can be used to filter	286	Called whenever a line was updated or changed. Can be used to filter
449	screen output (e.g. underline urls or other useless stuff). Only lines	287	screen output (e.g. underline urls or other useless stuff). Only lines
450	that are being shown will be filtered, and, due to performance reasons,	288	that are being shown will be filtered, and, due to performance reasons,
…		…
457	later with the already-modified line (e.g. if unrelated parts change), so	295	later with the already-modified line (e.g. if unrelated parts change), so
458	you cannot just toggle rendition bits, but only set them.	296	you cannot just toggle rendition bits, but only set them.
459		297
460	=item on_refresh_begin $term	298	=item on_refresh_begin $term
461		299
462	Called just before the screen gets redrawn. Can be used for overlay	300	Called just before the screen gets redrawn. Can be used for overlay or
463	or similar effects by modify terminal contents in refresh_begin, and	301	similar effects by modifying the terminal contents in refresh_begin, and
464	restoring them in refresh_end. The built-in overlay and selection display	302	restoring them in refresh_end. The built-in overlay and selection display
465	code is run after this hook, and takes precedence.	303	code is run after this hook, and takes precedence.
466		304
467	=item on_refresh_end $term	305	=item on_refresh_end $term
468		306
469	Called just after the screen gets redrawn. See C<on_refresh_begin>.	307	Called just after the screen gets redrawn. See C<on_refresh_begin>.
470		308
		309	=item on_action $term, $string
		310
		311	Called whenever an action is invoked for the corresponding extension
		312	(e.g. via a C<extension:string> builtin action bound to a key, see
		313	description of the B<keysym> resource in the urxvt(1) manpage). The
		314	event is simply the action string. Note that an action event is always
		315	associated to a single extension.
		316
471	=item on_keyboard_command $term, $string	317	=item on_user_command $term, $string *DEPRECATED*
472		318
473	Called whenever the user presses a key combination that has a	319	Called whenever a user-configured event is being activated (e.g. via
474	C<perl:string> action bound to it (see description of the B<keysym>	320	a C<perl:string> action bound to a key, see description of the B<keysym>
475	resource in the @@RXVT_NAME@@(1) manpage).	321	resource in the urxvt(1) manpage).
		322
		323	The event is simply the action string. This interface is going away in
		324	preference to the C<on_action> hook.
		325
		326	=item on_resize_all_windows $term, $new_width, $new_height
		327
		328	Called just after the new window size has been calculated, but before
		329	windows are actually being resized or hints are being set. If this hook
		330	returns a true value, setting of the window hints is being skipped.
476		331
477	=item on_x_event $term, $event	332	=item on_x_event $term, $event
478		333
479	Called on every X event received on the vt window (and possibly other	334	Called on every X event received on the vt window (and possibly other
480	windows). Should only be used as a last resort. Most event structure	335	windows). Should only be used as a last resort. Most event structure
481	members are not passed.	336	members are not passed.
482		337
		338	=item on_root_event $term, $event
		339
		340	Like C<on_x_event>, but is called for events on the root window.
		341
483	=item on_focus_in $term	342	=item on_focus_in $term
484		343
485	Called whenever the window gets the keyboard focus, before rxvt-unicode	344	Called whenever the window gets the keyboard focus, before rxvt-unicode
486	does focus in processing.	345	does focus in processing.
487		346
488	=item on_focus_out $term	347	=item on_focus_out $term
489		348
490	Called wheneever the window loses keyboard focus, before rxvt-unicode does	349	Called whenever the window loses keyboard focus, before rxvt-unicode does
491	focus out processing.	350	focus out processing.
492		351
493	=item on_configure_notify $term, $event	352	=item on_configure_notify $term, $event
494		353
495	=item on_property_notify $term, $event	354	=item on_property_notify $term, $event
…		…
506		365
507	=item on_map_notify $term, $event	366	=item on_map_notify $term, $event
508		367
509	=item on_unmap_notify $term, $event	368	=item on_unmap_notify $term, $event
510		369
511	Called whenever the corresponding X event is received for the terminal If	370	Called whenever the corresponding X event is received for the terminal. If
512	the hook returns true, then the even will be ignored by rxvt-unicode.	371	the hook returns true, then the event will be ignored by rxvt-unicode.
513		372
514	The event is a hash with most values as named by Xlib (see the XEvent	373	The event is a hash with most values as named by Xlib (see the XEvent
515	manpage), with the additional members C<row> and C<col>, which are the	374	manpage), with the additional members C<row> and C<col>, which are the
516	(real, not screen-based) row and column under the mouse cursor.	375	(real, not screen-based) row and column under the mouse cursor.
517		376
518	C<on_key_press> additionally receives the string rxvt-unicode would	377	C<on_key_press> additionally receives the string rxvt-unicode would
519	output, if any, in locale-specific encoding.	378	output, if any, in locale-specific encoding.
520		379
521	subwindow.
522
523	=item on_client_message $term, $event	380	=item on_client_message $term, $event
524		381
525	=item on_wm_protocols $term, $event	382	=item on_wm_protocols $term, $event
526		383
527	=item on_wm_delete_window $term, $event	384	=item on_wm_delete_window $term, $event
528		385
529	Called when various types of ClientMessage events are received (all with	386	Called when various types of ClientMessage events are received (all with
530	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).	387	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
531		388
		389	=item on_bell $term
		390
		391	Called on receipt of a bell character.
		392
532	=back	393	=back
533		394
534	=cut	395	=cut
535		396
536	package urxvt;	397	package urxvt;
537		398
538	use utf8;	399	use utf8;
539	use strict;	400	use strict 'vars';
540	use Carp ();	401	use Carp ();
541	use Scalar::Util ();	402	use Scalar::Util ();
542	use List::Util ();	403	use List::Util ();
543		404
544	our $VERSION = 1;	405	our $VERSION = 1;
545	our $TERM;	406	our $TERM;
546	our @TERM_INIT;	407	our @TERM_INIT; # should go, prevents async I/O etc.
547	our @TERM_EXT;	408	our @TERM_EXT; # should go, prevents async I/O etc.
548	our @HOOKNAME;	409	our @HOOKNAME;
549	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;	410	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
550	our %OPTION;	411	our %OPTION;
551		412
552	our $LIBDIR;	413	our $LIBDIR;
553	our $RESNAME;	414	our $RESNAME;
554	our $RESCLASS;	415	our $RESCLASS;
555	our $RXVTNAME;	416	our $RXVTNAME;
556		417
557	our $NOCHAR = chr 0xfffe;	418	our $NOCHAR = chr 0xffff;
558		419
559	=head2 Variables in the C<urxvt> Package	420	=head2 Variables in the C<urxvt> Package
560		421
561	=over 4	422	=over 4
562		423
…		…
578	The current terminal. This variable stores the current C<urxvt::term>	439	The current terminal. This variable stores the current C<urxvt::term>
579	object, whenever a callback/hook is executing.	440	object, whenever a callback/hook is executing.
580		441
581	=item @urxvt::TERM_INIT	442	=item @urxvt::TERM_INIT
582		443
583	All coderefs in this array will be called as methods of the next newly	444	All code references in this array will be called as methods of the next newly
584	created C<urxvt::term> object (during the C<on_init> phase). The array	445	created C<urxvt::term> object (during the C<on_init> phase). The array
585	gets cleared before the codereferences that were in it are being executed,	446	gets cleared before the code references that were in it are being executed,
586	so coderefs can push themselves onto it again if they so desire.	447	so references can push themselves onto it again if they so desire.
587		448
588	This complements to the perl-eval commandline option, but gets executed	449	This complements to the perl-eval command line option, but gets executed
589	first.	450	first.
590		451
591	=item @urxvt::TERM_EXT	452	=item @urxvt::TERM_EXT
592		453
593	Works similar to C<@TERM_INIT>, but contains perl package/class names, which	454	Works similar to C<@TERM_INIT>, but contains perl package/class names, which
…		…
600		461
601	=over 4	462	=over 4
602		463
603	=item urxvt::fatal $errormessage	464	=item urxvt::fatal $errormessage
604		465
605	Fatally aborts execution with the given error message. Avoid at all	466	Fatally aborts execution with the given error message (which should
606	costs! The only time this is acceptable is when the terminal process	467	include a trailing newline). Avoid at all costs! The only time this
607	starts up.	468	is acceptable (and useful) is in the init hook, where it prevents the
		469	terminal from starting up.
608		470
609	=item urxvt::warn $string	471	=item urxvt::warn $string
610		472
611	Calls C<rxvt_warn> with the given string which should not include a	473	Calls C<rxvt_warn> with the given string which should include a trailing
612	newline. The module also overwrites the C<warn> builtin with a function	474	newline. The module also overwrites the C<warn> builtin with a function
613	that calls this function.	475	that calls this function.
614		476
615	Using this function has the advantage that its output ends up in the	477	Using this function has the advantage that its output ends up in the
616	correct place, e.g. on stderr of the connecting urxvtc client.	478	correct place, e.g. on stderr of the connecting urxvtc client.
617		479
618	Messages have a size limit of 1023 bytes currently.	480	Messages have a size limit of 1023 bytes currently.
		481
		482	=item @terms = urxvt::termlist
		483
		484	Returns all urxvt::term objects that exist in this process, regardless of
		485	whether they are started, being destroyed etc., so be careful. Only term
		486	objects that have perl extensions attached will be returned (because there
		487	is no urxvt::term object associated with others).
619		488
620	=item $time = urxvt::NOW	489	=item $time = urxvt::NOW
621		490
622	Returns the "current time" (as per the event loop).	491	Returns the "current time" (as per the event loop).
623		492
…		…
666		535
667	=item $rend = urxvt::OVERLAY_RSTYLE	536	=item $rend = urxvt::OVERLAY_RSTYLE
668		537
669	Return the rendition mask used for overlays by default.	538	Return the rendition mask used for overlays by default.
670		539
671	=item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline	540	=item $rendbit = urxvt::RS_Bold, urxvt::RS_Italic, urxvt::RS_Blink,
		541	urxvt::RS_RVid, urxvt::RS_Uline
672		542
673	Return the bit that enabled bold, italic, blink, reverse-video and	543	Return the bit that enabled bold, italic, blink, reverse-video and
674	underline, respectively. To enable such a style, just logically OR it into	544	underline, respectively. To enable such a style, just logically OR it into
675	the bitset.	545	the bitset.
676		546
…		…
681	Return the foreground/background colour index, respectively.	551	Return the foreground/background colour index, respectively.
682		552
683	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour	553	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour
684		554
685	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour	555	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour
		556
		557	=item $rend = urxvt::SET_COLOR $rend, $new_fg, $new_bg
686		558
687	Replace the foreground/background colour in the rendition mask with the	559	Replace the foreground/background colour in the rendition mask with the
688	specified one.	560	specified one.
689		561
690	=item $value = urxvt::GET_CUSTOM $rend	562	=item $value = urxvt::GET_CUSTOM $rend
…		…
709	unless $msg =~ /\n$/;	581	unless $msg =~ /\n$/;
710	urxvt::warn ($msg);	582	urxvt::warn ($msg);
711	};	583	};
712	}	584	}
713		585
		586	no warnings 'utf8';
		587
		588	sub parse_resource {
		589	my ($term, $name, $isarg, $longopt, $flag, $value) = @_;
		590
		591	$term->scan_extensions;
		592
		593	my $r = $term->{meta}{resource};
		594	keys %$r; # reset iterator
		595	while (my ($k, $v) = each %$r) {
		596	my $pattern = $k;
		597	$pattern =~ y/./-/ if $isarg;
		598	my $prefix = $name;
		599	my $suffix;
		600	if ($pattern =~ /\-$/) {
		601	$prefix = substr $name, 0, length $pattern;
		602	$suffix = substr $name, length $pattern;
		603	}
		604	if ($pattern eq $prefix) {
		605	$name = "$urxvt::RESCLASS.$k$suffix";
		606
		607	push @{ $term->{perl_ext_3} }, $v->[0];
		608
		609	if ($v->[1] eq "boolean") {
		610	$term->put_option_db ($name, $flag ? "true" : "false");
		611	return 1;
		612	} else {
		613	$term->put_option_db ($name, $value);
		614	return 1 + 2;
		615	}
		616	}
		617	}
		618
		619	0
		620	}
		621
		622	sub usage {
		623	my ($term, $usage_type) = @_;
		624
		625	$term->scan_extensions;
		626
		627	my $r = $term->{meta}{resource};
		628
		629	for my $pattern (sort keys %$r) {
		630	my ($ext, $type, $desc) = @{ $r->{$pattern} };
		631
		632	$desc .= " (-pe $ext)";
		633
		634	if ($usage_type == 1) {
		635	$pattern =~ y/./-/;
		636	$pattern =~ s/-$/-.../g;
		637
		638	if ($type eq "boolean") {
		639	urxvt::log sprintf " -%-30s %s\n", "/+$pattern", $desc;
		640	} else {
		641	urxvt::log sprintf " -%-30s %s\n", "$pattern $type", $desc;
		642	}
		643	} else {
		644	$pattern =~ s/\.$/.*/g;
		645	urxvt::log sprintf " %-31s %s\n", "$pattern:", $type;
		646	}
		647	}
		648	}
		649
714	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};	650	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
715		651
716	sub verbose {	652	sub verbose {
717	my ($level, $msg) = @_;	653	my ($level, $msg) = @_;
718	warn "$msg\n" if $level <= $verbosity;	654	warn "$msg\n" if $level <= $verbosity;
…		…
730	$pkg =~ s/[^[:word:]]/_/g;	666	$pkg =~ s/[^[:word:]]/_/g;
731	$pkg = "urxvt::ext::$pkg";	667	$pkg = "urxvt::ext::$pkg";
732		668
733	verbose 3, "loading extension '$path' into package '$pkg'";	669	verbose 3, "loading extension '$path' into package '$pkg'";
734		670
		671	(${"$pkg\::_NAME"} = $path) =~ s/^.*[\\\/]//; # hackish
		672
735	open my $fh, "<:raw", $path	673	open my $fh, "<:raw", $path
736	or die "$path: $!";	674	or die "$path: $!";
737		675
738	my $source =	676	my $source =
739	"package $pkg; use strict; use utf8;\n"	677	"package $pkg; use strict 'vars'; use utf8; no warnings 'utf8';\n"
740	. "#line 1 \"$path\"\n{\n"	678	. "#line 1 \"$path\"\n{\n"
741	. (do { local $/; <$fh> })	679	. (do { local $/; <$fh> })
742	. "\n};\n1";	680	. "\n};\n1";
743		681
744	eval $source	682	eval $source
…		…
753	# called by the rxvt core	691	# called by the rxvt core
754	sub invoke {	692	sub invoke {
755	local $TERM = shift;	693	local $TERM = shift;
756	my $htype = shift;	694	my $htype = shift;
757		695
758	if ($htype == 0) { # INIT	696	if ($htype == HOOK_INIT) {
759	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");	697	my @dirs = $TERM->perl_libdirs;
760		698
		699	$TERM->scan_extensions;
		700
761	my %ext_arg;	701	my %ext_arg;
762		702
763	{	703	{
764	my @init = @TERM_INIT;	704	my @init = @TERM_INIT;
765	@TERM_INIT = ();	705	@TERM_INIT = ();
…		…
767	my @pkg = @TERM_EXT;	707	my @pkg = @TERM_EXT;
768	@TERM_EXT = ();	708	@TERM_EXT = ();
769	$TERM->register_package ($_) for @pkg;	709	$TERM->register_package ($_) for @pkg;
770	}	710	}
771		711
		712	for (
772	for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {	713	(grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2),
		714	@{ delete $TERM->{perl_ext_3} }
		715	) {
773	if ($_ eq "default") {	716	if ($_ eq "default") {
		717
		718	$ext_arg{$_} = []
774	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback);	719	for qw(selection option-popup selection-popup readline searchable-scrollback);
		720
		721	for ($TERM->_keysym_resources) {
		722	next if /^(?:string|command|builtin|builtin-string|perl)/;
		723	next unless /^([A-Za-z0-9_\-]+):/;
		724
		725	my $ext = $1;
		726
		727	$ext_arg{$ext} = [];
		728	}
		729
775	} elsif (/^-(.*)$/) {	730	} elsif (/^-(.*)$/) {
776	delete $ext_arg{$1};	731	delete $ext_arg{$1};
		732
777	} elsif (/^([^<]+)<(.*)>$/) {	733	} elsif (/^([^<]+)<(.*)>$/) {
778	push @{ $ext_arg{$1} }, $2;	734	push @{ $ext_arg{$1} }, $2;
		735
779	} else {	736	} else {
780	$ext_arg{$_} ||= [];	737	$ext_arg{$_} ||= [];
781	}	738	}
782	}	739	}
783		740
784	while (my ($ext, $argv) = each %ext_arg) {	741	for my $ext (sort keys %ext_arg) {
785	my @files = grep -f $_, map "$_/$ext", @dirs;	742	my @files = grep -f $_, map "$_/$ext", @dirs;
786		743
787	if (@files) {	744	if (@files) {
788	$TERM->register_package (extension_package $files[0], $argv);	745	$TERM->register_package (extension_package $files[0], $ext_arg{$ext});
789	} else {	746	} else {
790	warn "perl extension '$ext' not found in perl library search path\n";	747	warn "perl extension '$ext' not found in perl library search path\n";
791	}	748	}
792	}	749	}
793		750
…		…
799		756
800	if (my $cb = $TERM->{_hook}[$htype]) {	757	if (my $cb = $TERM->{_hook}[$htype]) {
801	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"	758	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
802	if $verbosity >= 10;	759	if $verbosity >= 10;
803		760
804	keys %$cb;	761	if ($htype == HOOK_ACTION) {
		762	# this hook is only sent to the extension with the name
		763	# matching the first arg
		764	my $pkg = shift;
		765	$pkg =~ y/-/_/;
		766	$pkg = "urxvt::ext::$pkg";
805		767
806	while (my ($pkg, $cb) = each %$cb) {	768	$cb = $cb->{$pkg}
		769	or return undef; #TODO: maybe warn user?
		770
		771	$cb = { $pkg => $cb };
		772	}
		773
		774	for my $pkg (keys %$cb) {
807	my $retval_ = eval { $cb->($TERM->{_pkg}{$pkg}, @_) };	775	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg} || $TERM, @_) };
808	$retval ||= $retval_;	776	$retval ||= $retval_;
809		777
810	if ($@) {	778	if ($@) {
811	$TERM->ungrab; # better to lose the grab than the session	779	$TERM->ungrab; # better to lose the grab than the session
812	warn $@;	780	warn $@;
…		…
815		783
816	verbose 11, "$HOOKNAME[$htype] returning <$retval>"	784	verbose 11, "$HOOKNAME[$htype] returning <$retval>"
817	if $verbosity >= 11;	785	if $verbosity >= 11;
818	}	786	}
819		787
820	if ($htype == 1) { # DESTROY	788	if ($htype == HOOK_DESTROY) {
821	# clear package objects	789	# clear package objects
822	%$_ = () for values %{ $TERM->{_pkg} };	790	%$_ = () for values %{ $TERM->{_pkg} };
823		791
824	# clear package	792	# clear package
825	%$TERM = ();	793	%$TERM = ();
826	}	794	}
827		795
828	$retval	796	$retval
829	}	797	}
830		798
831	# urxvt::term::extension	799	sub SET_COLOR($$$) {
		800	SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
		801	}
		802
		803	sub rend2mask {
		804	no strict 'refs';
		805	my ($str, $mask) = (@_, 0);
		806	my %color = ( fg => undef, bg => undef );
		807	my @failed;
		808	for my $spec ( split /\s+/, $str ) {
		809	if ( $spec =~ /^([fb]g)[_:-]?(\d+)/i ) {
		810	$color{lc($1)} = $2;
		811	} else {
		812	my $neg = $spec =~ s/^[-^]//;
		813	unless ( exists &{"RS_$spec"} ) {
		814	push @failed, $spec;
		815	next;
		816	}
		817	my $cur = &{"RS_$spec"};
		818	if ( $neg ) {
		819	$mask &= ~$cur;
		820	} else {
		821	$mask |= $cur;
		822	}
		823	}
		824	}
		825	($mask, @color{qw(fg bg)}, \@failed)
		826	}
832		827
833	package urxvt::term::extension;	828	package urxvt::term::extension;
834		829
835	sub enable {	830	=head2 The C<urxvt::term::extension> class
836	my ($self, %hook) = @_;
837	my $pkg = $self->{_pkg};
838		831
839	while (my ($name, $cb) = each %hook) {	832	Each extension attached to a terminal object is represented by
840	my $htype = $HOOKTYPE{uc $name};	833	a C<urxvt::term::extension> object.
841	defined $htype
842	or Carp::croak "unsupported hook type '$name'";
843		834
844	$self->set_should_invoke ($htype, +1)	835	You can use these objects, which are passed to all callbacks to store any
845	unless exists $self->{term}{_hook}[$htype]{$pkg};	836	state related to the terminal and extension instance.
846		837
847	$self->{term}{_hook}[$htype]{$pkg} = $cb;	838	The methods (And data members) documented below can be called on extension
848	}	839	objects, in addition to call methods documented for the <urxvt::term>
849	}	840	class.
850		841
851	sub disable {	842	=over 4
852	my ($self, @hook) = @_;
853	my $pkg = $self->{_pkg};
854		843
855	for my $name (@hook) {	844	=item $urxvt_term = $self->{term}
856	my $htype = $HOOKTYPE{uc $name};
857	defined $htype
858	or Carp::croak "unsupported hook type '$name'";
859		845
860	$self->set_should_invoke ($htype, -1)	846	Returns the C<urxvt::term> object associated with this instance of the
861	if delete $self->{term}{_hook}[$htype]{$pkg};	847	extension. This member I<must not> be changed in any way.
862	}	848
863	}	849	=cut
864		850
865	our $AUTOLOAD;	851	our $AUTOLOAD;
866		852
867	sub AUTOLOAD {	853	sub AUTOLOAD {
868	$AUTOLOAD =~ /:([^:]+)$/	854	$AUTOLOAD =~ /:([^:]+)$/
…		…
881		867
882	sub DESTROY {	868	sub DESTROY {
883	# nop	869	# nop
884	}	870	}
885		871
886	# urxvt::destroy_hook	872	# urxvt::destroy_hook (basically a cheap Guard:: implementation)
887		873
888	sub urxvt::destroy_hook::DESTROY {	874	sub urxvt::destroy_hook::DESTROY {
889	${$_[0]}->();	875	${$_[0]}->();
890	}	876	}
891		877
892	sub urxvt::destroy_hook(&) {	878	sub urxvt::destroy_hook(&) {
893	bless \shift, urxvt::destroy_hook::	879	bless \shift, urxvt::destroy_hook::
894	}	880	}
		881
		882	=item $self->enable ($hook_name => $cb[, $hook_name => $cb..])
		883
		884	Dynamically enable the given hooks (named without the C<on_> prefix) for
		885	this extension, replacing any hook previously installed via C<enable> in
		886	this extension.
		887
		888	This is useful when you want to overwrite time-critical hooks only
		889	temporarily.
		890
		891	To install additional callbacks for the same hook, you can use the C<on>
		892	method of the C<urxvt::term> class.
		893
		894	=item $self->disable ($hook_name[, $hook_name..])
		895
		896	Dynamically disable the given hooks.
		897
		898	=cut
		899
		900	sub enable {
		901	my ($self, %hook) = @_;
		902	my $pkg = $self->{_pkg};
		903
		904	while (my ($name, $cb) = each %hook) {
		905	my $htype = $HOOKTYPE{uc $name};
		906	defined $htype
		907	or Carp::croak "unsupported hook type '$name'";
		908
		909	$self->set_should_invoke ($htype, +1)
		910	unless exists $self->{term}{_hook}[$htype]{$pkg};
		911
		912	$self->{term}{_hook}[$htype]{$pkg} = $cb;
		913	}
		914	}
		915
		916	sub disable {
		917	my ($self, @hook) = @_;
		918	my $pkg = $self->{_pkg};
		919
		920	for my $name (@hook) {
		921	my $htype = $HOOKTYPE{uc $name};
		922	defined $htype
		923	or Carp::croak "unsupported hook type '$name'";
		924
		925	$self->set_should_invoke ($htype, -1)
		926	if delete $self->{term}{_hook}[$htype]{$pkg};
		927	}
		928	}
		929
		930	=item $guard = $self->on ($hook_name => $cb[, $hook_name => $cb..])
		931
		932	Similar to the C<enable> enable, but installs additional callbacks for
		933	the given hook(s) (that is, it doesn't replace existing callbacks), and
		934	returns a guard object. When the guard object is destroyed the callbacks
		935	are disabled again.
		936
		937	=cut
		938
		939	sub urxvt::extension::on_disable::DESTROY {
		940	my $disable = shift;
		941
		942	my $term = delete $disable->{""};
		943
		944	while (my ($htype, $id) = each %$disable) {
		945	delete $term->{_hook}[$htype]{$id};
		946	$term->set_should_invoke ($htype, -1);
		947	}
		948	}
		949
		950	sub on {
		951	my ($self, %hook) = @_;
		952
		953	my $term = $self->{term};
		954
		955	my %disable = ( "" => $term );
		956
		957	while (my ($name, $cb) = each %hook) {
		958	my $htype = $HOOKTYPE{uc $name};
		959	defined $htype
		960	or Carp::croak "unsupported hook type '$name'";
		961
		962	$term->set_should_invoke ($htype, +1);
		963	$term->{_hook}[$htype]{ $disable{$htype} = $cb+0 }
		964	= sub { shift; $cb->($self, @_) }; # very ugly indeed
		965	}
		966
		967	bless \%disable, "urxvt::extension::on_disable"
		968	}
		969
		970	=item $self->bind_action ($hotkey, $action)
		971
		972	=item $self->x_resource ($pattern)
		973
		974	=item $self->x_resource_boolean ($pattern)
		975
		976	These methods support an additional C<%> prefix for C<$action> or
		977	C<$pattern> when called on an extension object, compared to the
		978	C<urxvt::term> methods of the same name - see the description of these
		979	methods in the C<urxvt::term> class for details.
		980
		981	=cut
		982
		983	sub bind_action {
		984	my ($self, $hotkey, $action) = @_;
		985	$action =~ s/^%:/$_[0]{_name}:/;
		986	$self->{term}->bind_action ($hotkey, $action)
		987	}
		988
		989	sub x_resource {
		990	my ($self, $name) = @_;
		991	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		992	$self->{term}->x_resource ($name)
		993	}
		994
		995	sub x_resource_boolean {
		996	my ($self, $name) = @_;
		997	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		998	$self->{term}->x_resource_boolean ($name)
		999	}
		1000
		1001	=back
		1002
		1003	=cut
895		1004
896	package urxvt::anyevent;	1005	package urxvt::anyevent;
897		1006
898	=head2 The C<urxvt::anyevent> Class	1007	=head2 The C<urxvt::anyevent> Class
899		1008
900	The sole purpose of this class is to deliver an interface to the	1009	The sole purpose of this class is to deliver an interface to the
901	C<AnyEvent> module - any module using it will work inside urxvt without	1010	C<AnyEvent> module - any module using it will work inside urxvt without
902	further programming. The only exception is that you cannot wait on	1011	further programming. The only exception is that you cannot wait on
903	condition variables, but non-blocking condvar use is ok. What this means	1012	condition variables, but non-blocking condvar use is ok.
904	is that you cannot use blocking APIs, but the non-blocking variant should
905	work.
906		1013
907	=cut	1014	In practical terms this means is that you cannot use blocking APIs, but
		1015	the non-blocking variant should work.
908		1016
		1017	=cut
		1018
909	our $VERSION = 1;	1019	our $VERSION = '5.23';
910		1020
911	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there	1021	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
912	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];	1022	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
913		1023
914	sub timer {	1024	sub timer {
…		…
916		1026
917	my $cb = $arg{cb};	1027	my $cb = $arg{cb};
918		1028
919	urxvt::timer	1029	urxvt::timer
920	->new	1030	->new
921	->start (urxvt::NOW + $arg{after})	1031	->after ($arg{after}, $arg{interval})
922	->cb (sub {	1032	->cb ($arg{interval} ? $cb : sub {
923	$_[0]->stop; # need to cancel manually	1033	$_[0]->stop; # need to cancel manually
924	$cb->();	1034	$cb->();
925	})	1035	})
926	}	1036	}
927		1037
928	sub io {	1038	sub io {
929	my ($class, %arg) = @_;	1039	my ($class, %arg) = @_;
930		1040
931	my $cb = $arg{cb};	1041	my $cb = $arg{cb};
		1042	my $fd = fileno $arg{fh};
		1043	defined $fd or $fd = $arg{fh};
932		1044
933	bless [$arg{fh}, urxvt::iow	1045	bless [$arg{fh}, urxvt::iow
934	->new	1046	->new
935	->fd (fileno $arg{fh})	1047	->fd ($fd)
936	->events (($arg{poll} =~ /r/ ? 1 : 0)	1048	->events (($arg{poll} =~ /r/ ? 1 : 0)
937	| ($arg{poll} =~ /w/ ? 2 : 0))	1049	| ($arg{poll} =~ /w/ ? 2 : 0))
938	->start	1050	->start
939	->cb (sub {	1051	->cb ($cb)
940	$cb->(($_[1] & 1 ? 'r' : '')
941	. ($_[1] & 2 ? 'w' : ''));
942	})],
943	urxvt::anyevent::	1052	], urxvt::anyevent::
		1053	}
		1054
		1055	sub idle {
		1056	my ($class, %arg) = @_;
		1057
		1058	my $cb = $arg{cb};
		1059
		1060	urxvt::iw
		1061	->new
		1062	->start
		1063	->cb ($cb)
		1064	}
		1065
		1066	sub child {
		1067	my ($class, %arg) = @_;
		1068
		1069	my $cb = $arg{cb};
		1070
		1071	urxvt::pw
		1072	->new
		1073	->start ($arg{pid})
		1074	->cb (sub {
		1075	$_[0]->stop; # need to cancel manually
		1076	$cb->($_[0]->rpid, $_[0]->rstatus);
		1077	})
944	}	1078	}
945		1079
946	sub DESTROY {	1080	sub DESTROY {
947	$_[0][1]->stop;	1081	$_[0][1]->stop;
948	}	1082	}
949		1083
950	sub condvar {	1084	# only needed for AnyEvent < 6 compatibility
951	bless \my $flag, urxvt::anyevent::condvar::	1085	sub one_event {
952	}
953
954	sub urxvt::anyevent::condvar::broadcast {
955	${$_[0]}++;
956	}
957
958	sub urxvt::anyevent::condvar::wait {
959	unless (${$_[0]}) {
960	Carp::croak "AnyEvent->condvar blocking wait unsupported in urxvt, use a non-blocking API";	1086	Carp::croak "AnyEvent->one_event blocking wait unsupported in urxvt, use a non-blocking API";
961	}
962	}	1087	}
963		1088
964	package urxvt::term;	1089	package urxvt::term;
965		1090
966	=head2 The C<urxvt::term> Class	1091	=head2 The C<urxvt::term> Class
…		…
979	urxvt::verbose 6, "register package $pkg to $self";	1104	urxvt::verbose 6, "register package $pkg to $self";
980		1105
981	@{"$pkg\::ISA"} = urxvt::term::extension::;	1106	@{"$pkg\::ISA"} = urxvt::term::extension::;
982		1107
983	my $proxy = bless {	1108	my $proxy = bless {
984	_pkg => $pkg,	1109	_pkg => $pkg,
		1110	_name => ${"$pkg\::_NAME"}, # hackish
985	argv => $argv,	1111	argv => $argv,
986	}, $pkg;	1112	}, $pkg;
987	Scalar::Util::weaken ($proxy->{term} = $self);	1113	Scalar::Util::weaken ($proxy->{term} = $self);
988		1114
989	$self->{_pkg}{$pkg} = $proxy;	1115	$self->{_pkg}{$pkg} = $proxy;
990		1116
…		…
993	$proxy->enable ($name => $ref);	1119	$proxy->enable ($name => $ref);
994	}	1120	}
995	}	1121	}
996	}	1122	}
997		1123
		1124	sub perl_libdirs {
		1125	map { split /:/ }
		1126	$_[0]->resource ("perl_lib"),
		1127	$ENV{URXVT_PERL_LIB},
		1128	"$ENV{HOME}/.urxvt/ext",
		1129	"$LIBDIR/perl"
		1130	}
		1131
		1132	# scan for available extensions and collect their metadata
		1133	sub scan_extensions {
		1134	my ($self) = @_;
		1135
		1136	return if exists $self->{meta};
		1137
		1138	my @urxvtdirs = perl_libdirs $self;
		1139	# my @cpandirs = grep -d, map "$_/URxvt/Ext", @INC;
		1140
		1141	$self->{meta} = \my %meta;
		1142
		1143	# first gather extensions
		1144
		1145	my $gather = sub {
		1146	my ($dir, $core) = @_;
		1147
		1148	opendir my $fh, $dir
		1149	or return;
		1150
		1151	for my $ext (readdir $fh) {
		1152	$ext !~ /^\./
		1153	or next;
		1154
		1155	open my $fh, "<", "$dir/$ext"
		1156	or next;
		1157
		1158	-f $fh
		1159	or next;
		1160
		1161	$ext =~ s/\.uext$// or $core
		1162	or next;
		1163
		1164	my %ext = (dir => $dir);
		1165
		1166	while (<$fh>) {
		1167	if (/^#:META:(?:X_)?RESOURCE:(.*)/) {
		1168	my ($pattern, $type, $desc) = split /:/, $1;
		1169	$pattern =~ s/^%(\.|$)/$ext$1/g; # % in pattern == extension name
		1170	if ($pattern =~ /[^a-zA-Z0-9\-\.]/) {
		1171	warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n";
		1172	} else {
		1173	$ext{resource}{$pattern} = [$ext, $type, $desc];
		1174	}
		1175	} elsif (/^\s*(?:#|$)/) {
		1176	# skip other comments and empty lines
		1177	} else {
		1178	last; # stop parsing on first non-empty non-comment line
		1179	}
		1180	}
		1181
		1182	$meta{ext}{$ext} = \%ext;
		1183	}
		1184	};
		1185
		1186	# $gather->($_, 0) for @cpandirs;
		1187	$gather->($_, 1) for @urxvtdirs;
		1188
		1189	# and now merge resources
		1190
		1191	$meta{resource} = \my %resource;
		1192
		1193	while (my ($k, $v) = each %{ $meta{ext} }) {
		1194	#TODO: should check for extensions overriding each other
		1195	%resource = (%resource, %{ $v->{resource} });
		1196	}
		1197	}
		1198
998	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]	1199	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
999		1200
1000	Creates a new terminal, very similar as if you had started it with system	1201	Creates a new terminal, very similar as if you had started it with system
1001	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like	1202	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
1002	hash which defines the environment of the new terminal.	1203	hash which defines the environment of the new terminal.
1003		1204
1004	Croaks (and probably outputs an error message) if the new instance	1205	Croaks (and probably outputs an error message) if the new instance
1005	couldn't be created. Returns C<undef> if the new instance didn't	1206	couldn't be created. Returns C<undef> if the new instance didn't
1006	initialise perl, and the terminal object otherwise. The C<init> and	1207	initialise perl, and the terminal object otherwise. The C<init> and
1007	C<start> hooks will be called during this call.	1208	C<start> hooks will be called before this call returns, and are free to
		1209	refer to global data (which is race free).
1008		1210
1009	=cut	1211	=cut
1010		1212
1011	sub new {	1213	sub new {
1012	my ($class, $env, @args) = @_;	1214	my ($class, $env, @args) = @_;
1013		1215
		1216	$env or Carp::croak "environment hash missing in call to urxvt::term->new";
		1217	@args or Carp::croak "name argument missing in call to urxvt::term->new";
		1218
1014	_new ([ map "$_=$env->{$_}", keys %$env ], @args);	1219	_new ([ map "$_=$env->{$_}", keys %$env ], \@args);
1015	}	1220	}
1016		1221
1017	=item $term->destroy	1222	=item $term->destroy
1018		1223
1019	Destroy the terminal object (close the window, free resources	1224	Destroy the terminal object (close the window, free resources
1020	etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event	1225	etc.). Please note that urxvt will not exit as long as any event
1021	watchers (timers, io watchers) are still active.	1226	watchers (timers, io watchers) are still active.
1022		1227
1023	=item $term->exec_async ($cmd[, @args])	1228	=item $term->exec_async ($cmd[, @args])
1024		1229
1025	Works like the combination of the C<fork>/C<exec> builtins, which executes	1230	Works like the combination of the C<fork>/C<exec> builtins, which executes
…		…
1049		1254
1050	Returns true if the option specified by C<$optval> is enabled, and	1255	Returns true if the option specified by C<$optval> is enabled, and
1051	optionally change it. All option values are stored by name in the hash	1256	optionally change it. All option values are stored by name in the hash
1052	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.	1257	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
1053		1258
1054	Here is a a likely non-exhaustive list of option names, please see the	1259	Here is a likely non-exhaustive list of option names, please see the
1055	source file F</src/optinc.h> to see the actual list:	1260	source file F</src/optinc.h> to see the actual list:
1056		1261
1057	borderLess console cursorBlink cursorUnderline hold iconic insecure	1262	borderLess buffered console cursorBlink cursorUnderline hold iconic
1058	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage	1263	insecure intensityStyles iso14755 iso14755_52 jumpScroll loginShell
1059	override-redirect pastableTabs pointerBlank reverseVideo scrollBar	1264	mapAlert meta8 mouseWheelScrollPage override_redirect pastableTabs
1060	scrollBar_floating scrollBar_right scrollTtyKeypress scrollTtyOutput	1265	pointerBlank reverseVideo scrollBar scrollBar_floating scrollBar_right
1061	scrollWithBuffer secondaryScreen secondaryScroll skipBuiltinGlyphs	1266	scrollTtyKeypress scrollTtyOutput scrollWithBuffer secondaryScreen
1062	transparent tripleclickwords utmpInhibit visualBell	1267	secondaryScroll skipBuiltinGlyphs skipScroll transparent tripleclickwords
		1268	urgentOnBell utmpInhibit visualBell
1063		1269
1064	=item $value = $term->resource ($name[, $newval])	1270	=item $value = $term->resource ($name[, $newval])
1065		1271
1066	Returns the current resource value associated with a given name and	1272	Returns the current resource value associated with a given name and
1067	optionally sets a new value. Setting values is most useful in the C<init>	1273	optionally sets a new value. Setting values is most useful in the C<init>
…		…
1076	likely change).	1282	likely change).
1077		1283
1078	Please note that resource strings will currently only be freed when the	1284	Please note that resource strings will currently only be freed when the
1079	terminal is destroyed, so changing options frequently will eat memory.	1285	terminal is destroyed, so changing options frequently will eat memory.
1080		1286
1081	Here is a a likely non-exhaustive list of resource names, not all of which	1287	Here is a likely non-exhaustive list of resource names, not all of which
1082	are supported in every build, please see the source file F</src/rsinc.h>	1288	are supported in every build, please see the source file F</src/rsinc.h>
1083	to see the actual list:	1289	to see the actual list:
1084		1290
1085	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont	1291	answerbackstring backgroundPixmap backspace_key blurradius
1086	borderLess color cursorBlink cursorUnderline cutchars delete_key	1292	boldFont boldItalicFont borderLess buffered chdir color cursorBlink
1087	display_name embed ext_bwidth fade font geometry hold iconName	1293	cursorUnderline cutchars delete_key depth display_name embed ext_bwidth
1088	imFont imLocale inputMethod insecure int_bwidth intensityStyles	1294	fade font geometry hold iconName iconfile imFont imLocale inputMethod
		1295	insecure int_bwidth intensityStyles iso14755 iso14755_52 italicFont
1089	italicFont jumpScroll lineSpace loginShell mapAlert meta8 modifier	1296	jumpScroll letterSpace lineSpace loginShell mapAlert meta8 modifier
1090	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval	1297	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
1091	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay	1298	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
1092	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar	1299	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
1093	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness	1300	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
1094	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle	1301	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
1095	secondaryScreen secondaryScroll selectstyle shade term_name title	1302	secondaryScreen secondaryScroll shade skipBuiltinGlyphs skipScroll
1096	transient_for transparent transparent_all tripleclickwords utmpInhibit	1303	term_name title transient_for transparent tripleclickwords urgentOnBell
1097	visualBell	1304	utmpInhibit visualBell
1098		1305
1099	=cut	1306	=cut
1100		1307
1101	sub resource($$;$) {	1308	sub resource($$;$) {
1102	my ($self, $name) = (shift, shift);	1309	my ($self, $name) = (shift, shift);
1103	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);	1310	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
1104	&urxvt::term::_resource	1311	goto &urxvt::term::_resource
1105	}	1312	}
1106		1313
1107	=item $value = $term->x_resource ($pattern)	1314	=item $value = $term->x_resource ($pattern)
1108		1315
1109	Returns the X-Resource for the given pattern, excluding the program or	1316	Returns the X-Resource for the given pattern, excluding the program or
1110	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the	1317	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
1111	same value as used by this instance of rxvt-unicode. Returns C<undef> if no	1318	same value as used by this instance of rxvt-unicode. Returns C<undef> if no
1112	resource with that pattern exists.	1319	resource with that pattern exists.
1113		1320
		1321	Extensions that define extra resources also need to call this method
		1322	to access their values.
		1323
		1324	If the method is called on an extension object (basically, from an
		1325	extension), then the special prefix C<%.> will be replaced by the name of
		1326	the extension and a dot, and the lone string C<%> will be replaced by the
		1327	extension name itself. This makes it possible to code extensions so you
		1328	can rename them and get a new set of resources without having to change
		1329	the actual code.
		1330
1114	This method should only be called during the C<on_start> hook, as there is	1331	This method should only be called during the C<on_start> hook, as there is
1115	only one resource database per display, and later invocations might return	1332	only one resource database per display, and later invocations might return
1116	the wrong resources.	1333	the wrong resources.
1117		1334
1118	=item $success = $term->parse_keysym ($keysym_spec, $command_string)	1335	=item $value = $term->x_resource_boolean ($pattern)
1119		1336
		1337	Like C<x_resource>, above, but interprets the string value as a boolean
		1338	and returns C<1> for true values, C<0> for false values and C<undef> if
		1339	the resource or option isn't specified.
		1340
		1341	You should always use this method to parse boolean resources.
		1342
		1343	=cut
		1344
		1345	sub x_resource_boolean {
		1346	my $res = &x_resource;
		1347
		1348	$res =~ /^\s*(?:true|yes|on|1)\s*$/i ? 1 : defined $res && 0
		1349	}
		1350
		1351	=item $success = $term->bind_action ($key, $action)
		1352
1120	Adds a keymap translation exactly as specified via a resource. See the	1353	Adds a key binding exactly as specified via a C<keysym> resource. See the
1121	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.	1354	C<keysym> resource in the urxvt(1) manpage.
		1355
		1356	To add default bindings for actions, an extension should call C<<
		1357	->bind_action >> in its C<init> hook for every such binding. Doing it
		1358	in the C<init> hook allows users to override or remove the binding
		1359	again.
		1360
		1361	Example: the C<searchable-scrollback> by default binds itself
		1362	on C<Meta-s>, using C<< $self->bind_action >>, which calls C<<
		1363	$term->bind_action >>.
		1364
		1365	sub init {
		1366	my ($self) = @_;
		1367
		1368	$self->bind_action ("M-s" => "%:start");
		1369	}
1122		1370
1123	=item $rend = $term->rstyle ([$new_rstyle])	1371	=item $rend = $term->rstyle ([$new_rstyle])
1124		1372
1125	Return and optionally change the current rendition. Text that is output by	1373	Return and optionally change the current rendition. Text that is output by
1126	the terminal application will use this style.	1374	the terminal application will use this style.
…		…
1134		1382
1135	=item ($row, $col) = $term->selection_beg ([$row, $col])	1383	=item ($row, $col) = $term->selection_beg ([$row, $col])
1136		1384
1137	=item ($row, $col) = $term->selection_end ([$row, $col])	1385	=item ($row, $col) = $term->selection_end ([$row, $col])
1138		1386
1139	Return the current values of the selection mark, begin or end positions,	1387	Return the current values of the selection mark, begin or end positions.
1140	and optionally set them to new values.	1388
		1389	When arguments are given, then the selection coordinates are set to
		1390	C<$row> and C<$col>, and the selection screen is set to the current
		1391	screen.
		1392
		1393	=item $screen = $term->selection_screen ([$screen])
		1394
		1395	Returns the current selection screen, and then optionally sets it.
1141		1396
1142	=item $term->selection_make ($eventtime[, $rectangular])	1397	=item $term->selection_make ($eventtime[, $rectangular])
1143		1398
1144	Tries to make a selection as set by C<selection_beg> and	1399	Tries to make a selection as set by C<selection_beg> and
1145	C<selection_end>. If C<$rectangular> is true (default: false), a	1400	C<selection_end>. If C<$rectangular> is true (default: false), a
1146	rectangular selection will be made. This is the prefered function to make	1401	rectangular selection will be made. This is the preferred function to make
1147	a selection.	1402	a selection.
1148		1403
1149	=item $success = $term->selection_grab ($eventtime)	1404	=item $success = $term->selection_grab ($eventtime[, $clipboard])
1150		1405
1151	Try to request the primary selection text from the server (for example, as	1406	Try to acquire ownership of the primary (clipboard if C<$clipboard> is
		1407	true) selection from the server. The corresponding text can be set
1152	set by the next method). No visual feedback will be given. This function	1408	with the next method. No visual feedback will be given. This function
1153	is mostly useful from within C<on_sel_grab> hooks.	1409	is mostly useful from within C<on_sel_grab> hooks.
1154		1410
1155	=item $oldtext = $term->selection ([$newtext])	1411	=item $oldtext = $term->selection ([$newtext, $clipboard])
1156		1412
1157	Return the current selection text and optionally replace it by C<$newtext>.	1413	Return the current selection (clipboard if C<$clipboard> is true) text
		1414	and optionally replace it by C<$newtext>.
		1415
		1416	=item $term->selection_clear ([$clipboard])
		1417
		1418	Revoke ownership of the primary (clipboard if C<$clipboard> is true) selection.
1158		1419
1159	=item $term->overlay_simple ($x, $y, $text)	1420	=item $term->overlay_simple ($x, $y, $text)
1160		1421
1161	Create a simple multi-line overlay box. See the next method for details.	1422	Create a simple multi-line overlay box. See the next method for details.
1162		1423
…		…
1192		1453
1193	The methods currently supported on C<urxvt::overlay> objects are:	1454	The methods currently supported on C<urxvt::overlay> objects are:
1194		1455
1195	=over 4	1456	=over 4
1196		1457
1197	=item $overlay->set ($x, $y, $text, $rend)	1458	=item $overlay->set ($x, $y, $text[, $rend])
1198		1459
1199	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts	1460	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts
1200	text in rxvt-unicode's special encoding and an array of rendition values	1461	text in rxvt-unicode's special encoding and an array of rendition values
1201	at a specific position inside the overlay.	1462	at a specific position inside the overlay.
		1463
		1464	If C<$rend> is missing, then the rendition will not be changed.
1202		1465
1203	=item $overlay->hide	1466	=item $overlay->hide
1204		1467
1205	If visible, hide the overlay, but do not destroy it.	1468	If visible, hide the overlay, but do not destroy it.
1206		1469
…		…
1269		1532
1270	=item $term->scr_add_lines ($string)	1533	=item $term->scr_add_lines ($string)
1271		1534
1272	Write the given text string to the screen, as if output by the application	1535	Write the given text string to the screen, as if output by the application
1273	running inside the terminal. It may not contain command sequences (escape	1536	running inside the terminal. It may not contain command sequences (escape
1274	codes), but is free to use line feeds, carriage returns and tabs. The	1537	codes - see C<cmd_parse> for that), but is free to use line feeds,
1275	string is a normal text string, not in locale-dependent encoding.	1538	carriage returns and tabs. The string is a normal text string, not in
		1539	locale-dependent encoding.
1276		1540
1277	Normally its not a good idea to use this function, as programs might be	1541	Normally its not a good idea to use this function, as programs might be
1278	confused by changes in cursor position or scrolling. Its useful inside a	1542	confused by changes in cursor position or scrolling. Its useful inside a
1279	C<on_add_lines> hook, though.	1543	C<on_add_lines> hook, though.
1280		1544
…		…
1288	locale-specific encoding of the terminal and can contain command sequences	1552	locale-specific encoding of the terminal and can contain command sequences
1289	(escape codes) that will be interpreted.	1553	(escape codes) that will be interpreted.
1290		1554
1291	=item $term->tt_write ($octets)	1555	=item $term->tt_write ($octets)
1292		1556
1293	Write the octets given in C<$data> to the tty (i.e. as program input). To	1557	Write the octets given in C<$octets> to the tty (i.e. as user input
		1558	to the program, see C<cmd_parse> for the opposite direction). To pass
1294	pass characters instead of octets, you should convert your strings first	1559	characters instead of octets, you should convert your strings first to the
1295	to the locale-specific encoding using C<< $term->locale_encode >>.	1560	locale-specific encoding using C<< $term->locale_encode >>.
		1561
		1562	=item $term->tt_write_user_input ($octets)
		1563
		1564	Like C<tt_write>, but should be used when writing strings in response to
		1565	the user pressing a key, to invoke the additional actions requested by
		1566	the user for that case (C<tt_write> doesn't do that).
		1567
		1568	The typical use case would be inside C<on_action> hooks.
		1569
		1570	=item $term->tt_paste ($octets)
		1571
		1572	Write the octets given in C<$octets> to the tty as a paste, converting NL to
		1573	CR and bracketing the data with control sequences if bracketed paste mode
		1574	is set.
1296		1575
1297	=item $old_events = $term->pty_ev_events ([$new_events])	1576	=item $old_events = $term->pty_ev_events ([$new_events])
1298		1577
1299	Replaces the event mask of the pty watcher by the given event mask. Can	1578	Replaces the event mask of the pty watcher by the given event mask. Can
1300	be used to suppress input and output handling to the pty/tty. See the	1579	be used to suppress input and output handling to the pty/tty. See the
1301	description of C<< urxvt::timer->events >>. Make sure to always restore	1580	description of C<< urxvt::timer->events >>. Make sure to always restore
1302	the previous value.	1581	the previous value.
1303		1582
		1583	=item $fd = $term->pty_fd
		1584
		1585	Returns the master file descriptor for the pty in use, or C<-1> if no pty
		1586	is used.
		1587
1304	=item $windowid = $term->parent	1588	=item $windowid = $term->parent
1305		1589
1306	Return the window id of the toplevel window.	1590	Return the window id of the toplevel window.
1307		1591
1308	=item $windowid = $term->vt	1592	=item $windowid = $term->vt
…		…
1314	Adds the specified events to the vt event mask. Useful e.g. when you want	1598	Adds the specified events to the vt event mask. Useful e.g. when you want
1315	to receive pointer events all the times:	1599	to receive pointer events all the times:
1316		1600
1317	$term->vt_emask_add (urxvt::PointerMotionMask);	1601	$term->vt_emask_add (urxvt::PointerMotionMask);
1318		1602
		1603	=item $term->set_urgency ($set)
		1604
		1605	Enable/disable the urgency hint on the toplevel window.
		1606
		1607	=item $term->focus_in
		1608
		1609	=item $term->focus_out
		1610
		1611	=item $term->key_press ($state, $keycode[, $time])
		1612
		1613	=item $term->key_release ($state, $keycode[, $time])
		1614
		1615	Deliver various fake events to to terminal.
		1616
1319	=item $window_width = $term->width	1617	=item $window_width = $term->width
1320		1618
1321	=item $window_height = $term->height	1619	=item $window_height = $term->height
1322		1620
1323	=item $font_width = $term->fwidth	1621	=item $font_width = $term->fwidth
…		…
1353	=item $env = $term->env	1651	=item $env = $term->env
1354		1652
1355	Returns a copy of the environment in effect for the terminal as a hashref	1653	Returns a copy of the environment in effect for the terminal as a hashref
1356	similar to C<\%ENV>.	1654	similar to C<\%ENV>.
1357		1655
		1656	=item @envv = $term->envv
		1657
		1658	Returns the environment as array of strings of the form C<VAR=VALUE>.
		1659
		1660	=item @argv = $term->argv
		1661
		1662	Return the argument vector as this terminal, similar to @ARGV, but
		1663	includes the program name as first element.
		1664
1358	=cut	1665	=cut
1359		1666
1360	sub env {	1667	sub env {
1361	if (my $env = $_[0]->_env) {
1362	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), @$env }	1668	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), $_[0]->envv }
1363	} else {
1364	+{ %ENV }
1365	}
1366	}	1669	}
1367		1670
1368	=item $modifiermask = $term->ModLevel3Mask	1671	=item $modifiermask = $term->ModLevel3Mask
1369		1672
1370	=item $modifiermask = $term->ModMetaMask	1673	=item $modifiermask = $term->ModMetaMask
…		…
1375	AltGr), the meta key (often Alt) and the num lock key, if applicable.	1678	AltGr), the meta key (often Alt) and the num lock key, if applicable.
1376		1679
1377	=item $screen = $term->current_screen	1680	=item $screen = $term->current_screen
1378		1681
1379	Returns the currently displayed screen (0 primary, 1 secondary).	1682	Returns the currently displayed screen (0 primary, 1 secondary).
		1683
		1684	=item $cursor_is_hidden = $term->hidden_cursor
		1685
		1686	Returns whether the cursor is currently hidden or not.
1380		1687
1381	=item $view_start = $term->view_start ([$newvalue])	1688	=item $view_start = $term->view_start ([$newvalue])
1382		1689
1383	Returns the row number of the topmost displayed line. Maximum value is	1690	Returns the row number of the topmost displayed line. Maximum value is
1384	C<0>, which displays the normal terminal contents. Lower values scroll	1691	C<0>, which displays the normal terminal contents. Lower values scroll
…		…
1390	compare the on-screen display with its stored representation. If they	1697	compare the on-screen display with its stored representation. If they
1391	differ, it redraws the differences.	1698	differ, it redraws the differences.
1392		1699
1393	Used after changing terminal contents to display them.	1700	Used after changing terminal contents to display them.
1394		1701
		1702	=item $term->refresh_check
		1703
		1704	Checks if a refresh has been requested and, if so, schedules one.
		1705
1395	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])	1706	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
1396		1707
1397	Returns the text of the entire row with number C<$row_number>. Row C<0>	1708	Returns the text of the entire row with number C<$row_number>. Row C<< $term->top_row >>
1398	is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost	1709	is the topmost terminal line, row C<< $term->nrow-1 >> is the bottommost
1399	terminal line. The scrollback buffer starts at line C<-1> and extends to
1400	line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line	1710	terminal line. Nothing will be returned if a nonexistent line
1401	is requested.	1711	is requested.
1402		1712
1403	If C<$new_text> is specified, it will replace characters in the current	1713	If C<$new_text> is specified, it will replace characters in the current
1404	line, starting at column C<$start_col> (default C<0>), which is useful	1714	line, starting at column C<$start_col> (default C<0>), which is useful
1405	to replace only parts of a line. The font index in the rendition will	1715	to replace only parts of a line. The font index in the rendition will
1406	automatically be updated.	1716	automatically be updated.
1407		1717
1408	C<$text> is in a special encoding: tabs and wide characters that use	1718	C<$text> is in a special encoding: tabs and wide characters that use more
1409	more than one cell when displayed are padded with C<$urxvt::NOCHAR>	1719	than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
1410	characters. Characters with combining characters and other characters that	1720	characters. Characters with combining characters and other characters that
1411	do not fit into the normal tetx encoding will be replaced with characters	1721	do not fit into the normal text encoding will be replaced with characters
1412	in the private use area.	1722	in the private use area.
1413		1723
1414	You have to obey this encoding when changing text. The advantage is	1724	You have to obey this encoding when changing text. The advantage is
1415	that C<substr> and similar functions work on screen cells and not on	1725	that C<substr> and similar functions work on screen cells and not on
1416	characters.	1726	characters.
…		…
1501	}	1811	}
1502		1812
1503	sub urxvt::line::t {	1813	sub urxvt::line::t {
1504	my ($self) = @_;	1814	my ($self) = @_;
1505		1815
1506	if (@_ > 1)	1816	if (@_ > 1) {
1507	{
1508	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1817	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1509	for $self->{beg} .. $self->{end};	1818	for $self->{beg} .. $self->{end};
1510	}	1819	}
1511		1820
1512	defined wantarray &&	1821	defined wantarray &&
1513	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),	1822	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),
1514	0, $self->{len}	1823	0, $self->{len}
1515	}	1824	}
1516		1825
1517	sub urxvt::line::r {	1826	sub urxvt::line::r {
1518	my ($self) = @_;	1827	my ($self) = @_;
1519		1828
1520	if (@_ > 1)	1829	if (@_ > 1) {
1521	{
1522	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1830	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1523	for $self->{beg} .. $self->{end};	1831	for $self->{beg} .. $self->{end};
1524	}	1832	}
1525		1833
1526	if (defined wantarray) {	1834	if (defined wantarray) {
1527	my $rend = [	1835	my $rend = [
1528	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}	1836	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}
1529	];	1837	];
…		…
1561	where one character corresponds to one screen cell. See	1869	where one character corresponds to one screen cell. See
1562	C<< $term->ROW_t >> for details.	1870	C<< $term->ROW_t >> for details.
1563		1871
1564	=item $string = $term->special_decode $text	1872	=item $string = $term->special_decode $text
1565		1873
1566	Converts rxvt-unicodes text reprsentation into a perl string. See	1874	Converts rxvt-unicodes text representation into a perl string. See
1567	C<< $term->ROW_t >> for details.	1875	C<< $term->ROW_t >> for details.
1568		1876
1569	=item $success = $term->grab_button ($button, $modifiermask)	1877	=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
1570		1878
		1879	=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
		1880
1571	Registers a synchronous button grab. See the XGrabButton manpage.	1881	Register/unregister a synchronous button grab. See the XGrabButton
		1882	manpage.
1572		1883
1573	=item $success = $term->grab ($eventtime[, $sync])	1884	=item $success = $term->grab ($eventtime[, $sync])
1574		1885
1575	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or	1886	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1576	synchronous (C<$sync> is true). Also remembers the grab timestampe.	1887	synchronous (C<$sync> is true). Also remembers the grab timestamp.
1577		1888
1578	=item $term->allow_events_async	1889	=item $term->allow_events_async
1579		1890
1580	Calls XAllowEvents with AsyncBoth for the most recent grab.	1891	Calls XAllowEvents with AsyncBoth for the most recent grab.
1581		1892
…		…
1588	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most	1899	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
1589	recent grab.	1900	recent grab.
1590		1901
1591	=item $term->ungrab	1902	=item $term->ungrab
1592		1903
1593	Calls XUngrab for the most recent grab. Is called automatically on	1904	Calls XUngrabPointer and XUngrabKeyboard for the most recent grab. Is called automatically on
1594	evaluation errors, as it is better to lose the grab in the error case as	1905	evaluation errors, as it is better to lose the grab in the error case as
1595	the session.	1906	the session.
1596		1907
1597	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])	1908	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
1598		1909
…		…
1600		1911
1601	=item @atoms = $term->XListProperties ($window)	1912	=item @atoms = $term->XListProperties ($window)
1602		1913
1603	=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)	1914	=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
1604		1915
1605	=item $term->XChangeWindowProperty ($window, $property, $type, $format, $octets)	1916	=item $term->XChangeProperty ($window, $property, $type, $format, $octets)
1606		1917
1607	=item $term->XDeleteProperty ($window, $property)	1918	=item $term->XDeleteProperty ($window, $property)
1608		1919
1609	=item $window = $term->DefaultRootWindow	1920	=item $window = $term->DefaultRootWindow
1610		1921
…		…
1617	=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)	1928	=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
1618		1929
1619	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)	1930	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
1620		1931
1621	=item $term->XChangeInput ($window, $add_events[, $del_events])	1932	=item $term->XChangeInput ($window, $add_events[, $del_events])
		1933
		1934	=item $keysym = $term->XStringToKeysym ($string)
		1935
		1936	=item $string = $term->XKeysymToString ($keysym)
1622		1937
1623	Various X or X-related functions. The C<$term> object only serves as	1938	Various X or X-related functions. The C<$term> object only serves as
1624	the source of the display, otherwise those functions map more-or-less	1939	the source of the display, otherwise those functions map more-or-less
1625	directory onto the X functions of the same name.	1940	directly onto the X functions of the same name.
1626		1941
1627	=back	1942	=back
1628		1943
1629	=cut	1944	=cut
1630		1945
…		…
1694	my ($self, $text, $cb) = @_;	2009	my ($self, $text, $cb) = @_;
1695		2010
1696	$self->add_item ({ type => "button", text => $text, activate => $cb});	2011	$self->add_item ({ type => "button", text => $text, activate => $cb});
1697	}	2012	}
1698		2013
1699	=item $popup->add_toggle ($text, $cb, $initial_value)	2014	=item $popup->add_toggle ($text, $initial_value, $cb)
1700		2015
1701	Adds a toggle/checkbox item to the popup. Teh callback gets called	2016	Adds a toggle/checkbox item to the popup. The callback gets called
1702	whenever it gets toggled, with a boolean indicating its value as its first	2017	whenever it gets toggled, with a boolean indicating its new value as its
1703	argument.	2018	first argument.
1704		2019
1705	=cut	2020	=cut
1706		2021
1707	sub add_toggle {	2022	sub add_toggle {
1708	my ($self, $text, $cb, $value) = @_;	2023	my ($self, $text, $value, $cb) = @_;
1709		2024
1710	my $item; $item = {	2025	my $item; $item = {
1711	type => "button",	2026	type => "button",
1712	text => " $text",	2027	text => " $text",
1713	value => $value,	2028	value => $value,
…		…
1732	my $env = $self->{term}->env;	2047	my $env = $self->{term}->env;
1733	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.	2048	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
1734	delete $env->{LC_ALL};	2049	delete $env->{LC_ALL};
1735	$env->{LC_CTYPE} = $self->{term}->locale;	2050	$env->{LC_CTYPE} = $self->{term}->locale;
1736		2051
1737	urxvt::term->new ($env, "popup",	2052	my $term = urxvt::term->new (
		2053	$env, "popup",
1738	"--perl-lib" => "", "--perl-ext-common" => "",	2054	"--perl-lib" => "", "--perl-ext-common" => "",
1739	"-pty-fd" => -1, "-sl" => 0,	2055	"-pty-fd" => -1, "-sl" => 0,
1740	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",	2056	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1741	"--transient-for" => $self->{term}->parent,	2057	"--transient-for" => $self->{term}->parent,
1742	"-display" => $self->{term}->display_id,	2058	"-display" => $self->{term}->display_id,
1743	"-pe" => "urxvt-popup")	2059	"-pe" => "urxvt-popup",
1744	or die "unable to create popup window\n";	2060	) or die "unable to create popup window\n";
		2061
		2062	unless (delete $term->{urxvt_popup_init_done}) {
		2063	$term->ungrab;
		2064	$term->destroy;
		2065	die "unable to initialise popup window\n";
		2066	}
1745	}	2067	}
1746		2068
1747	sub DESTROY {	2069	sub DESTROY {
1748	my ($self) = @_;	2070	my ($self) = @_;
1749		2071
…		…
1754	=back	2076	=back
1755		2077
1756	=cut	2078	=cut
1757		2079
1758	package urxvt::watcher;	2080	package urxvt::watcher;
1759
1760	@urxvt::timer::ISA = __PACKAGE__;
1761	@urxvt::iow::ISA = __PACKAGE__;
1762	@urxvt::pw::ISA = __PACKAGE__;
1763	@urxvt::iw::ISA = __PACKAGE__;
1764		2081
1765	=head2 The C<urxvt::timer> Class	2082	=head2 The C<urxvt::timer> Class
1766		2083
1767	This class implements timer watchers/events. Time is represented as a	2084	This class implements timer watchers/events. Time is represented as a
1768	fractional number of seconds since the epoch. Example:	2085	fractional number of seconds since the epoch. Example:
…		…
1772	->new	2089	->new
1773	->interval (1)	2090	->interval (1)
1774	->cb (sub {	2091	->cb (sub {
1775	$term->{overlay}->set (0, 0,	2092	$term->{overlay}->set (0, 0,
1776	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);	2093	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
1777	});	2094	});
1778		2095
1779	=over 4	2096	=over 4
1780		2097
1781	=item $timer = new urxvt::timer	2098	=item $timer = new urxvt::timer
1782		2099
…		…
1785		2102
1786	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })	2103	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })
1787		2104
1788	Set the callback to be called when the timer triggers.	2105	Set the callback to be called when the timer triggers.
1789		2106
1790	=item $tstamp = $timer->at
1791
1792	Return the time this watcher will fire next.
1793
1794	=item $timer = $timer->set ($tstamp)	2107	=item $timer = $timer->set ($tstamp[, $interval])
1795		2108
1796	Set the time the event is generated to $tstamp.	2109	Set the time the event is generated to $tstamp (and optionally specifies a
		2110	new $interval).
1797		2111
1798	=item $timer = $timer->interval ($interval)	2112	=item $timer = $timer->interval ($interval)
1799		2113
1800	Normally (and when C<$interval> is C<0>), the timer will automatically	2114	By default (and when C<$interval> is C<0>), the timer will automatically
1801	stop after it has fired once. If C<$interval> is non-zero, then the timer	2115	stop after it has fired once. If C<$interval> is non-zero, then the timer
1802	is automatically rescheduled at the given intervals.	2116	is automatically rescheduled at the given intervals.
1803		2117
1804	=item $timer = $timer->start	2118	=item $timer = $timer->start
1805		2119
1806	Start the timer.	2120	Start the timer.
1807		2121
1808	=item $timer = $timer->start ($tstamp)	2122	=item $timer = $timer->start ($tstamp[, $interval])
1809		2123
1810	Set the event trigger time to C<$tstamp> and start the timer.	2124	Set the event trigger time to C<$tstamp> and start the timer. Optionally
		2125	also replaces the interval.
1811		2126
1812	=item $timer = $timer->after ($delay)	2127	=item $timer = $timer->after ($delay[, $interval])
1813		2128
1814	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.	2129	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1815		2130
1816	=item $timer = $timer->stop	2131	=item $timer = $timer->stop
1817		2132
…		…
1825		2140
1826	$term->{socket} = ...	2141	$term->{socket} = ...
1827	$term->{iow} = urxvt::iow	2142	$term->{iow} = urxvt::iow
1828	->new	2143	->new
1829	->fd (fileno $term->{socket})	2144	->fd (fileno $term->{socket})
1830	->events (urxvt::EVENT_READ)	2145	->events (urxvt::EV_READ)
1831	->start	2146	->start
1832	->cb (sub {	2147	->cb (sub {
1833	my ($iow, $revents) = @_;	2148	my ($iow, $revents) = @_;
1834	# $revents must be 1 here, no need to check	2149	# $revents must be 1 here, no need to check
1835	sysread $term->{socket}, my $buf, 8192	2150	sysread $term->{socket}, my $buf, 8192
…		…
1848	Set the callback to be called when io events are triggered. C<$reventmask>	2163	Set the callback to be called when io events are triggered. C<$reventmask>
1849	is a bitset as described in the C<events> method.	2164	is a bitset as described in the C<events> method.
1850		2165
1851	=item $iow = $iow->fd ($fd)	2166	=item $iow = $iow->fd ($fd)
1852		2167
1853	Set the filedescriptor (not handle) to watch.	2168	Set the file descriptor (not handle) to watch.
1854		2169
1855	=item $iow = $iow->events ($eventmask)	2170	=item $iow = $iow->events ($eventmask)
1856		2171
1857	Set the event mask to watch. The only allowed values are	2172	Set the event mask to watch. The only allowed values are
1858	C<urxvt::EVENT_READ> and C<urxvt::EVENT_WRITE>, which might be ORed	2173	C<urxvt::EV_READ> and C<urxvt::EV_WRITE>, which might be ORed
1859	together, or C<urxvt::EVENT_NONE>.	2174	together, or C<urxvt::EV_NONE>.
1860		2175
1861	=item $iow = $iow->start	2176	=item $iow = $iow->start
1862		2177
1863	Start watching for requested events on the given handle.	2178	Start watching for requested events on the given handle.
1864		2179
1865	=item $iow = $iow->stop	2180	=item $iow = $iow->stop
1866		2181
1867	Stop watching for events on the given filehandle.	2182	Stop watching for events on the given file handle.
1868		2183
1869	=back	2184	=back
1870		2185
1871	=head2 The C<urxvt::iw> Class	2186	=head2 The C<urxvt::iw> Class
1872		2187
…		…
1905	->new	2220	->new
1906	->start ($pid)	2221	->start ($pid)
1907	->cb (sub {	2222	->cb (sub {
1908	my ($pw, $exit_status) = @_;	2223	my ($pw, $exit_status) = @_;
1909	...	2224	...
1910	});	2225	});
1911		2226
1912	=over 4	2227	=over 4
1913		2228
1914	=item $pw = new urxvt::pw	2229	=item $pw = new urxvt::pw
1915		2230
…		…
1919		2234
1920	Set the callback to be called when the timer triggers.	2235	Set the callback to be called when the timer triggers.
1921		2236
1922	=item $pw = $timer->start ($pid)	2237	=item $pw = $timer->start ($pid)
1923		2238
1924	Tells the wqtcher to start watching for process C<$pid>.	2239	Tells the watcher to start watching for process C<$pid>.
1925		2240
1926	=item $pw = $pw->stop	2241	=item $pw = $pw->stop
1927		2242
1928	Stop the watcher.	2243	Stop the watcher.
1929		2244
…		…
1942		2257
1943	=item >= 3 - script loading and management	2258	=item >= 3 - script loading and management
1944		2259
1945	=item >=10 - all called hooks	2260	=item >=10 - all called hooks
1946		2261
1947	=item >=11 - hook reutrn values	2262	=item >=11 - hook return values
1948		2263
1949	=back	2264	=back
1950		2265
1951	=head1 AUTHOR	2266	=head1 AUTHOR
1952		2267
1953	Marc Lehmann <pcg@goof.com>	2268	Marc Lehmann <schmorp@schmorp.de>
1954	http://software.schmorp.de/pkg/rxvt-unicode	2269	http://software.schmorp.de/pkg/rxvt-unicode
1955		2270
1956	=cut	2271	=cut
1957		2272
1958	1	2273	1
		2274
		2275	# vim: sw=3:

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