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Revision 1.176 by root, Sat Jul 18 05:59:49 2009 UTC vs.
Revision 1.245 by root, Mon Dec 22 09:10:12 2014 UTC

1	=encoding utf8	1	=encoding utf8
2		2
3	=head1 NAME	3	=head1 NAME
4		4
5	@@RXVT_NAME@@perl - rxvt-unicode's embedded perl interpreter	5	urxvtperl - rxvt-unicode's embedded perl interpreter
6		6
7	=head1 SYNOPSIS	7	=head1 SYNOPSIS
8		8
9	# create a file grab_test in $HOME:	9	# create a file grab_test in $HOME:
10		10
11	sub on_sel_grab {	11	sub on_sel_grab {
12	warn "you selected ", $_[0]->selection;	12	warn "you selected ", $_[0]->selection;
13	()	13	()
14	}	14	}
15		15
16	# start a @@RXVT_NAME@@ using it:	16	# start a urxvt using it:
17		17
18	@@RXVT_NAME@@ --perl-lib $HOME -pe grab_test	18	urxvt --perl-lib $HOME -pe grab_test
19		19
20	=head1 DESCRIPTION	20	=head1 DESCRIPTION
21		21
22	Every time a terminal object gets created, extension scripts specified via	22	Every time a terminal object gets created, extension scripts specified via
23	the C<perl> resource are loaded and associated with it.	23	the C<perl> resource are loaded and associated with it.
24		24
25	Scripts are compiled in a 'use strict' and 'use utf8' environment, and	25	Scripts are compiled in a 'use strict "vars"' and 'use utf8' environment, and
26	thus must be encoded as UTF-8.	26	thus must be encoded as UTF-8.
27		27
28	Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where	28	Each script will only ever be loaded once, even in urxvtd, where
29	scripts will be shared (but not enabled) for all terminals.	29	scripts will be shared (but not enabled) for all terminals.
30		30
31	You can disable the embedded perl interpreter by setting both "perl-ext"	31	You can disable the embedded perl interpreter by setting both "perl-ext"
32	and "perl-ext-common" resources to the empty string.	32	and "perl-ext-common" resources to the empty string.
33		33
34	=head1 PREPACKAGED EXTENSIONS	34	=head1 PREPACKAGED EXTENSIONS
35		35
36	This section describes the extensions delivered with this release. You can	36	A number of extensions are delivered with this release. You can find them
37	find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>.	37	in F<< <libdir>/urxvt/perl/ >>, and the documentation can be viewed using
		38	F<< man urxvt-<EXTENSIONNAME> >>.
38		39
39	You can activate them like this:	40	You can activate them like this:
40		41
41	@@RXVT_NAME@@ -pe <extensionname>	42	urxvt -pe <extensionname>
42		43
43	Or by adding them to the resource for extensions loaded by default:	44	Or by adding them to the resource for extensions loaded by default:
44		45
45	URxvt.perl-ext-common: default,selection-autotransform	46	URxvt.perl-ext-common: default,selection-autotransform
46		47
47	=over 4	48	Extensions may add additional resources and C<actions>, i.e., methods
48		49	which can be bound to a key and invoked by the user. An extension can
49	=item selection (enabled by default)	50	define the resources it support and also default bindings for one or
50		51	more actions it provides using so called META comments, described
51	(More) intelligent selection. This extension tries to be more intelligent	52	below. Similarly to builtin resources, extension resources can also be
52	when the user extends selections (double-click and further clicks). Right	53	specified on the command line as long options (with C<.> replaced by
53	now, it tries to select words, urls and complete shell-quoted	54	C<->), in which case the corresponding extension is loaded
54	arguments, which is very convenient, too, if your F<ls> supports	55	automatically. For this to work the extension B<must> define META
55	C<--quoting-style=shell>.	56	comments for its resources.
56
57	A double-click usually selects the word under the cursor, further clicks
58	will enlarge the selection.
59
60	The selection works by trying to match a number of regexes and displaying
61	them in increasing order of length. You can add your own regexes by
62	specifying resources of the form:
63
64	URxvt.selection.pattern-0: perl-regex
65	URxvt.selection.pattern-1: perl-regex
66	...
67
68	The index number (0, 1...) must not have any holes, and each regex must
69	contain at least one pair of capturing parentheses, which will be used for
70	the match. For example, the following adds a regex that matches everything
71	between two vertical bars:
72
73	URxvt.selection.pattern-0: \\|([^|]+)\\|
74
75	Another example: Programs I use often output "absolute path: " at the
76	beginning of a line when they process multiple files. The following
77	pattern matches the filename (note, there is a single space at the very
78	end):
79
80	URxvt.selection.pattern-0: ^(/[^:]+):\
81
82	You can look at the source of the selection extension to see more
83	interesting uses, such as parsing a line from beginning to end.
84
85	This extension also offers following bindable keyboard commands:
86
87	=over 4
88
89	=item rot13
90
91	Rot-13 the selection when activated. Used via keyboard trigger:
92
93	URxvt.keysym.C-M-r: perl:selection:rot13
94
95	=back
96
97	=item option-popup (enabled by default)
98
99	Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at
100	runtime.
101
102	Other extensions can extend this popup menu by pushing a code reference
103	onto C<@{ $term->{option_popup_hook} }>, which gets called whenever the
104	popup is being displayed.
105
106	Its sole argument is the popup menu, which can be modified. It should
107	either return nothing or a string, the initial boolean value and a code
108	reference. The string will be used as button text and the code reference
109	will be called when the toggle changes, with the new boolean value as
110	first argument.
111
112	The following will add an entry C<myoption> that changes
113	C<< $self->{myoption} >>:
114
115	push @{ $self->{term}{option_popup_hook} }, sub {
116	("my option" => $myoption, sub { $self->{myoption} = $_[0] })
117	};
118
119	=item selection-popup (enabled by default)
120
121	Binds a popup menu to Ctrl-Button3 that lets you convert the selection
122	text into various other formats/action (such as uri unescaping, perl
123	evaluation, web-browser starting etc.), depending on content.
124
125	Other extensions can extend this popup menu by pushing a code reference
126	onto C<@{ $term->{selection_popup_hook} }>, which gets called whenever the
127	popup is being displayed.
128
129	Its sole argument is the popup menu, which can be modified. The selection
130	is in C<$_>, which can be used to decide whether to add something or not.
131	It should either return nothing or a string and a code reference. The
132	string will be used as button text and the code reference will be called
133	when the button gets activated and should transform C<$_>.
134
135	The following will add an entry C<a to b> that transforms all C<a>s in
136	the selection to C<b>s, but only if the selection currently contains any
137	C<a>s:
138
139	push @{ $self->{term}{selection_popup_hook} }, sub {
140	/a/ ? ("a to b" => sub { s/a/b/g }
141	: ()
142	};
143
144	=item searchable-scrollback<hotkey> (enabled by default)
145
146	Adds regex search functionality to the scrollback buffer, triggered
147	by a hotkey (default: C<M-s>). While in search mode, normal terminal
148	input/output is suspended and a regex is displayed at the bottom of the
149	screen.
150
151	Inputting characters appends them to the regex and continues incremental
152	search. C<BackSpace> removes a character from the regex, C<Up> and C<Down>
153	search upwards/downwards in the scrollback buffer, C<End> jumps to the
154	bottom. C<Escape> leaves search mode and returns to the point where search
155	was started, while C<Enter> or C<Return> stay at the current position and
156	additionally stores the first match in the current line into the primary
157	selection if the C<Shift> modifier is active.
158
159	The regex defaults to "(?i)", resulting in a case-insensitive search. To
160	get a case-sensitive search you can delete this prefix using C<BackSpace>
161	or simply use an uppercase character which removes the "(?i)" prefix.
162
163	See L<perlre> for more info about perl regular expression syntax.
164
165	=item readline (enabled by default)
166
167	A support package that tries to make editing with readline easier. At
168	the moment, it reacts to clicking shift-left mouse button by trying to
169	move the text cursor to this position. It does so by generating as many
170	cursor-left or cursor-right keypresses as required (this only works
171	for programs that correctly support wide characters).
172
173	To avoid too many false positives, this is only done when:
174
175	=over 4
176
177	=item - the tty is in ICANON state.
178
179	=item - the text cursor is visible.
180
181	=item - the primary screen is currently being displayed.
182
183	=item - the mouse is on the same (multi-row-) line as the text cursor.
184
185	=back
186
187	The normal selection mechanism isn't disabled, so quick successive clicks
188	might interfere with selection creation in harmless ways.
189
190	=item selection-autotransform
191
192	This selection allows you to do automatic transforms on a selection
193	whenever a selection is made.
194
195	It works by specifying perl snippets (most useful is a single C<s///>
196	operator) that modify C<$_> as resources:
197
198	URxvt.selection-autotransform.0: transform
199	URxvt.selection-autotransform.1: transform
200	...
201
202	For example, the following will transform selections of the form
203	C<filename:number>, often seen in compiler messages, into C<vi +$filename
204	$word>:
205
206	URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/
207
208	And this example matches the same,but replaces it with vi-commands you can
209	paste directly into your (vi :) editor:
210
211	URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/:e \\Q$1\\E\\x0d:$2\\x0d/
212
213	Of course, this can be modified to suit your needs and your editor :)
214
215	To expand the example above to typical perl error messages ("XXX at
216	FILENAME line YYY."), you need a slightly more elaborate solution:
217
218	URxvt.selection.pattern-0: ( at .*? line \\d+[,.])
219	URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)[,.]$/:e \\Q$1\E\\x0d:$2\\x0d/
220
221	The first line tells the selection code to treat the unchanging part of
222	every error message as a selection pattern, and the second line transforms
223	the message into vi commands to load the file.
224
225	=item tabbed
226
227	This transforms the terminal into a tabbar with additional terminals, that
228	is, it implements what is commonly referred to as "tabbed terminal". The topmost line
229	displays a "[NEW]" button, which, when clicked, will add a new tab, followed by one
230	button per tab.
231
232	Clicking a button will activate that tab. Pressing B<Shift-Left> and
233	B<Shift-Right> will switch to the tab left or right of the current one,
234	while B<Shift-Down> creates a new tab.
235
236	The tabbar itself can be configured similarly to a normal terminal, but
237	with a resource class of C<URxvt.tabbed>. In addition, it supports the
238	following four resources (shown with defaults):
239
240	URxvt.tabbed.tabbar-fg: <colour-index, default 3>
241	URxvt.tabbed.tabbar-bg: <colour-index, default 0>
242	URxvt.tabbed.tab-fg: <colour-index, default 0>
243	URxvt.tabbed.tab-bg: <colour-index, default 1>
244
245	See I<COLOR AND GRAPHICS> in the @@RXVT_NAME@@(1) manpage for valid
246	indices.
247
248	=item matcher
249
250	Uses per-line display filtering (C<on_line_update>) to underline text
251	matching a certain pattern and make it clickable. When clicked with the
252	mouse button specified in the C<matcher.button> resource (default 2, or
253	middle), the program specified in the C<matcher.launcher> resource
254	(default, the C<urlLauncher> resource, C<sensible-browser>) will be started
255	with the matched text as first argument. The default configuration is
256	suitable for matching URLs and launching a web browser, like the
257	former "mark-urls" extension.
258
259	The default pattern to match URLs can be overridden with the
260	C<matcher.pattern.0> resource, and additional patterns can be specified
261	with numbered patterns, in a manner similar to the "selection" extension.
262	The launcher can also be overridden on a per-pattern basis.
263
264	It is possible to activate the most recently seen match from the keyboard.
265	Simply bind a keysym to "perl:matcher" as seen in the example below.
266
267	Example configuration:
268
269	URxvt.perl-ext: default,matcher
270	URxvt.urlLauncher: sensible-browser
271	URxvt.keysym.C-Delete: perl:matcher
272	URxvt.matcher.button: 1
273	URxvt.matcher.pattern.1: \\bwww\\.[\\w-]+\\.[\\w./?&@#-]*[\\w/-]
274	URxvt.matcher.pattern.2: \\B(/\\S+?):(\\d+)(?=:|$)
275	URxvt.matcher.launcher.2: gvim +$2 $1
276
277	=item xim-onthespot
278
279	This (experimental) perl extension implements OnTheSpot editing. It does
280	not work perfectly, and some input methods don't seem to work well with
281	OnTheSpot editing in general, but it seems to work at least for SCIM and
282	kinput2.
283
284	You enable it by specifying this extension and a preedit style of
285	C<OnTheSpot>, i.e.:
286
287	@@RXVT_NAME@@ -pt OnTheSpot -pe xim-onthespot
288
289	=item kuake<hotkey>
290
291	A very primitive quake-console-like extension. It was inspired by a
292	description of how the programs C<kuake> and C<yakuake> work: Whenever the
293	user presses a global accelerator key (by default C<F10>), the terminal
294	will show or hide itself. Another press of the accelerator key will hide
295	or show it again.
296
297	Initially, the window will not be shown when using this extension.
298
299	This is useful if you need a single terminal that is not using any desktop
300	space most of the time but is quickly available at the press of a key.
301
302	The accelerator key is grabbed regardless of any modifiers, so this
303	extension will actually grab a physical key just for this function.
304
305	If you want a quake-like animation, tell your window manager to do so
306	(fvwm can do it).
307
308	=item overlay-osc
309
310	This extension implements some OSC commands to display timed popups on the
311	screen - useful for status displays from within scripts. You have to read
312	the sources for more info.
313
314	=item block-graphics-to-ascii
315
316	A not very useful example of filtering all text output to the terminal
317	by replacing all line-drawing characters (U+2500 .. U+259F) by a
318	similar-looking ascii character.
319
320	=item digital-clock
321
322	Displays a digital clock using the built-in overlay.
323
324	=item remote-clipboard
325
326	Somewhat of a misnomer, this extension adds two menu entries to the
327	selection popup that allows one to run external commands to store the
328	selection somewhere and fetch it again.
329
330	We use it to implement a "distributed selection mechanism", which just
331	means that one command uploads the file to a remote server, and another
332	reads it.
333
334	The commands can be set using the C<URxvt.remote-selection.store> and
335	C<URxvt.remote-selection.fetch> resources. The first should read the
336	selection to store from STDIN (always in UTF-8), the second should provide
337	the selection data on STDOUT (also in UTF-8).
338
339	The defaults (which are likely useless to you) use rsh and cat:
340
341	URxvt.remote-selection.store: rsh ruth 'cat >/tmp/distributed-selection'
342	URxvt.remote-selection.fetch: rsh ruth 'cat /tmp/distributed-selection'
343
344	=item selection-pastebin
345
346	This is a little rarely useful extension that Uploads the selection as
347	textfile to a remote site (or does other things). (The implementation is
348	not currently secure for use in a multiuser environment as it writes to
349	F</tmp> directly.).
350
351	It listens to the C<selection-pastebin:remote-pastebin> keyboard command,
352	i.e.
353
354	URxvt.keysym.C-M-e: perl:selection-pastebin:remote-pastebin
355
356	Pressing this combination runs a command with C<%> replaced by the name of
357	the textfile. This command can be set via a resource:
358
359	URxvt.selection-pastebin.cmd: rsync -apP % ruth:/var/www/www.ta-sa.org/files/txt/.
360
361	And the default is likely not useful to anybody but the few people around
362	here :)
363
364	The name of the textfile is the hex encoded md5 sum of the selection, so
365	the same content should lead to the same filename.
366
367	After a successful upload the selection will be replaced by the text given
368	in the C<selection-pastebin-url> resource (again, the % is the placeholder
369	for the filename):
370
371	URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/%
372
373	I<Note to xrdb users:> xrdb uses the C preprocessor, which might interpret
374	the double C</> characters as comment start. Use C<\057\057> instead,
375	which works regardless of wether xrdb is used to parse the resource file
376	or not.
377
378	=item macosx-pastebin and macosx-pastebin-native
379
380	These two modules implement an extended clipboard for Mac OS X. They are
381	used like this:
382
383	URxvt.perl-ext-common: default,macosx-clipboard
384	URxvt.keysym.M-c: perl:macosx-clipboard:copy
385	URxvt.keysym.M-v: perl:macosx-clipboard:paste
386
387	The difference between them is that the native variant requires a
388	perl from apple's devkit or so, and C<maxosx-pastebin> requires the
389	C<Mac::Pasteboard> module, works with other perls, has fewer bugs, is
390	simpler etc. etc.
391
392	=item example-refresh-hooks
393
394	Displays a very simple digital clock in the upper right corner of the
395	window. Illustrates overwriting the refresh callbacks to create your own
396	overlays or changes.
397
398	=back
399		57
400	=head1 API DOCUMENTATION	58	=head1 API DOCUMENTATION
401		59
402	=head2 General API Considerations	60	=head2 General API Considerations
403		61
…		…
417		75
418	=over 4	76	=over 4
419		77
420	=item $text	78	=item $text
421		79
422	Rxvt-unicodes special way of encoding text, where one "unicode" character	80	Rxvt-unicode's special way of encoding text, where one "unicode" character
423	always represents one screen cell. See L<ROW_t> for a discussion of this format.	81	always represents one screen cell. See L<ROW_t> for a discussion of this format.
424		82
425	=item $string	83	=item $string
426		84
427	A perl text string, with an emphasis on I<text>. It can store all unicode	85	A perl text string, with an emphasis on I<text>. It can store all unicode
…		…
431	=item $octets	89	=item $octets
432		90
433	Either binary data or - more common - a text string encoded in a	91	Either binary data or - more common - a text string encoded in a
434	locale-specific way.	92	locale-specific way.
435		93
		94	=item $keysym
		95
		96	an integer that is a valid X11 keysym code. You can convert a string
		97	into a keysym and viceversa by using C<XStringToKeysym> and
		98	C<XKeysymToString>.
		99
436	=back	100	=back
437		101
438	=head2 Extension Objects	102	=head2 Extension Objects
439		103
440	Every perl extension is a perl class. A separate perl object is created	104	Every perl extension is a perl class. A separate perl object is created
441	for each terminal, and each terminal has its own set of extenion objects,	105	for each terminal, and each terminal has its own set of extension objects,
442	which are passed as the first parameter to hooks. So extensions can use	106	which are passed as the first parameter to hooks. So extensions can use
443	their C<$self> object without having to think about clashes with other	107	their C<$self> object without having to think about clashes with other
444	extensions or other terminals, with the exception of methods and members	108	extensions or other terminals, with the exception of methods and members
445	that begin with an underscore character C<_>: these are reserved for	109	that begin with an underscore character C<_>: these are reserved for
446	internal use.	110	internal use.
447		111
448	Although it isn't a C<urxvt::term> object, you can call all methods of the	112	Although it isn't a C<urxvt::term> object, you can call all methods of the
449	C<urxvt::term> class on this object.	113	C<urxvt::term> class on this object.
450		114
451	It has the following methods and data members:	115	Additional methods only supported for extension objects are described in
		116	the C<urxvt::extension> section below.
		117
		118	=head2 META comments
		119
		120	rxvt-unicode recognizes special comments in extensions that define
		121	different types of metadata:
452		122
453	=over 4	123	=over 4
454		124
455	=item $urxvt_term = $self->{term}	125	=item #:META:RESOURCE:name:type:desc
456		126
457	Returns the C<urxvt::term> object associated with this instance of the	127	The RESOURCE comment defines a resource used by the extension, where
458	extension. This member I<must not> be changed in any way.	128	C<name> is the resource name, C<type> is the resource type, C<boolean>
		129	or C<string>, and C<desc> is the resource description.
459		130
460	=item $self->enable ($hook_name => $cb, [$hook_name => $cb..])	131	=item #:META:BINDING:sym:action
461		132
462	Dynamically enable the given hooks (named without the C<on_> prefix) for	133	The BINDING comment defines a default binding for an action provided
463	this extension, replacing any previous hook. This is useful when you want	134	by the extension, where C<sym> is the key combination that triggers
464	to overwrite time-critical hooks only temporarily.	135	the action, whose format is defined in the description of the
465		136	B<keysym> resource in the urxvt(1) manpage, and C<action> is the name
466	=item $self->disable ($hook_name[, $hook_name..])	137	of the action method.
467
468	Dynamically disable the given hooks.
469		138
470	=back	139	=back
471		140
472	=head2 Hooks	141	=head2 Hooks
473		142
…		…
610	=item on_tt_write $term, $octets	279	=item on_tt_write $term, $octets
611		280
612	Called whenever some data is written to the tty/pty and can be used to	281	Called whenever some data is written to the tty/pty and can be used to
613	suppress or filter tty input.	282	suppress or filter tty input.
614		283
		284	=item on_tt_paste $term, $octets
		285
		286	Called whenever text is about to be pasted, with the text as argument. You
		287	can filter/change and paste the text yourself by returning a true value
		288	and calling C<< $term->tt_paste >> yourself. C<$octets> is
		289	locale-encoded.
		290
615	=item on_line_update $term, $row	291	=item on_line_update $term, $row
616		292
617	Called whenever a line was updated or changed. Can be used to filter	293	Called whenever a line was updated or changed. Can be used to filter
618	screen output (e.g. underline urls or other useless stuff). Only lines	294	screen output (e.g. underline urls or other useless stuff). Only lines
619	that are being shown will be filtered, and, due to performance reasons,	295	that are being shown will be filtered, and, due to performance reasons,
…		…
635		311
636	=item on_refresh_end $term	312	=item on_refresh_end $term
637		313
638	Called just after the screen gets redrawn. See C<on_refresh_begin>.	314	Called just after the screen gets redrawn. See C<on_refresh_begin>.
639		315
		316	=item on_action $term, $string
		317
		318	Called whenever an action is invoked for the corresponding extension
		319	(e.g. via a C<extension:string> builtin action bound to a key, see
		320	description of the B<keysym> resource in the urxvt(1) manpage). The
		321	event is simply the action string. Note that an action event is always
		322	associated to a single extension.
		323
640	=item on_user_command $term, $string	324	=item on_user_command $term, $string *DEPRECATED*
641		325
642	Called whenever a user-configured event is being activated (e.g. via	326	Called whenever a user-configured event is being activated (e.g. via
643	a C<perl:string> action bound to a key, see description of the B<keysym>	327	a C<perl:string> action bound to a key, see description of the B<keysym>
644	resource in the @@RXVT_NAME@@(1) manpage).	328	resource in the urxvt(1) manpage).
645		329
646	The event is simply the action string. This interface is assumed to change	330	The event is simply the action string. This interface is going away in
647	slightly in the future.	331	preference to the C<on_action> hook.
648		332
649	=item on_resize_all_windows $tern, $new_width, $new_height	333	=item on_resize_all_windows $term, $new_width, $new_height
650		334
651	Called just after the new window size has been calculated, but before	335	Called just after the new window size has been calculated, but before
652	windows are actually being resized or hints are being set. If this hook	336	windows are actually being resized or hints are being set. If this hook
653	returns TRUE, setting of the window hints is being skipped.	337	returns a true value, setting of the window hints is being skipped.
654		338
655	=item on_x_event $term, $event	339	=item on_x_event $term, $event
656		340
657	Called on every X event received on the vt window (and possibly other	341	Called on every X event received on the vt window (and possibly other
658	windows). Should only be used as a last resort. Most event structure	342	windows). Should only be used as a last resort. Most event structure
…		…
688		372
689	=item on_map_notify $term, $event	373	=item on_map_notify $term, $event
690		374
691	=item on_unmap_notify $term, $event	375	=item on_unmap_notify $term, $event
692		376
693	Called whenever the corresponding X event is received for the terminal If	377	Called whenever the corresponding X event is received for the terminal. If
694	the hook returns true, then the even will be ignored by rxvt-unicode.	378	the hook returns true, then the event will be ignored by rxvt-unicode.
695		379
696	The event is a hash with most values as named by Xlib (see the XEvent	380	The event is a hash with most values as named by Xlib (see the XEvent
697	manpage), with the additional members C<row> and C<col>, which are the	381	manpage), with the additional members C<row> and C<col>, which are the
698	(real, not screen-based) row and column under the mouse cursor.	382	(real, not screen-based) row and column under the mouse cursor.
699		383
700	C<on_key_press> additionally receives the string rxvt-unicode would	384	C<on_key_press> additionally receives the string rxvt-unicode would
701	output, if any, in locale-specific encoding.	385	output, if any, in locale-specific encoding.
702		386
703	subwindow.
704
705	=item on_client_message $term, $event	387	=item on_client_message $term, $event
706		388
707	=item on_wm_protocols $term, $event	389	=item on_wm_protocols $term, $event
708		390
709	=item on_wm_delete_window $term, $event	391	=item on_wm_delete_window $term, $event
710		392
711	Called when various types of ClientMessage events are received (all with	393	Called when various types of ClientMessage events are received (all with
712	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).	394	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
713		395
		396	=item on_bell $term
		397
		398	Called on receipt of a bell character.
		399
714	=back	400	=back
715		401
716	=cut	402	=cut
717		403
718	package urxvt;	404	package urxvt;
719		405
720	use utf8;	406	use utf8;
721	use strict;	407	use strict 'vars';
722	use Carp ();	408	use Carp ();
723	use Scalar::Util ();	409	use Scalar::Util ();
724	use List::Util ();	410	use List::Util ();
725		411
726	our $VERSION = 1;	412	our $VERSION = 1;
727	our $TERM;	413	our $TERM;
728	our @TERM_INIT;	414	our @TERM_INIT; # should go, prevents async I/O etc.
729	our @TERM_EXT;	415	our @TERM_EXT; # should go, prevents async I/O etc.
730	our @HOOKNAME;	416	our @HOOKNAME;
731	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;	417	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
732	our %OPTION;	418	our %OPTION;
733		419
734	our $LIBDIR;	420	our $LIBDIR;
…		…
782		468
783	=over 4	469	=over 4
784		470
785	=item urxvt::fatal $errormessage	471	=item urxvt::fatal $errormessage
786		472
787	Fatally aborts execution with the given error message. Avoid at all	473	Fatally aborts execution with the given error message (which should
788	costs! The only time this is acceptable is when the terminal process	474	include a trailing newline). Avoid at all costs! The only time this
789	starts up.	475	is acceptable (and useful) is in the init hook, where it prevents the
		476	terminal from starting up.
790		477
791	=item urxvt::warn $string	478	=item urxvt::warn $string
792		479
793	Calls C<rxvt_warn> with the given string which should not include a	480	Calls C<rxvt_warn> with the given string which should include a trailing
794	newline. The module also overwrites the C<warn> builtin with a function	481	newline. The module also overwrites the C<warn> builtin with a function
795	that calls this function.	482	that calls this function.
796		483
797	Using this function has the advantage that its output ends up in the	484	Using this function has the advantage that its output ends up in the
798	correct place, e.g. on stderr of the connecting urxvtc client.	485	correct place, e.g. on stderr of the connecting urxvtc client.
…		…
802	=item @terms = urxvt::termlist	489	=item @terms = urxvt::termlist
803		490
804	Returns all urxvt::term objects that exist in this process, regardless of	491	Returns all urxvt::term objects that exist in this process, regardless of
805	whether they are started, being destroyed etc., so be careful. Only term	492	whether they are started, being destroyed etc., so be careful. Only term
806	objects that have perl extensions attached will be returned (because there	493	objects that have perl extensions attached will be returned (because there
807	is no urxvt::term objet associated with others).	494	is no urxvt::term object associated with others).
808		495
809	=item $time = urxvt::NOW	496	=item $time = urxvt::NOW
810		497
811	Returns the "current time" (as per the event loop).	498	Returns the "current time" (as per the event loop).
812		499
…		…
855		542
856	=item $rend = urxvt::OVERLAY_RSTYLE	543	=item $rend = urxvt::OVERLAY_RSTYLE
857		544
858	Return the rendition mask used for overlays by default.	545	Return the rendition mask used for overlays by default.
859		546
860	=item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline	547	=item $rendbit = urxvt::RS_Bold, urxvt::RS_Italic, urxvt::RS_Blink,
		548	urxvt::RS_RVid, urxvt::RS_Uline
861		549
862	Return the bit that enabled bold, italic, blink, reverse-video and	550	Return the bit that enabled bold, italic, blink, reverse-video and
863	underline, respectively. To enable such a style, just logically OR it into	551	underline, respectively. To enable such a style, just logically OR it into
864	the bitset.	552	the bitset.
865		553
…		…
902	};	590	};
903	}	591	}
904		592
905	no warnings 'utf8';	593	no warnings 'utf8';
906		594
		595	sub parse_resource {
		596	my ($term, $name, $isarg, $longopt, $flag, $value) = @_;
		597
		598	$term->scan_extensions;
		599
		600	my $r = $term->{meta}{resource};
		601	keys %$r; # reset iterator
		602	while (my ($k, $v) = each %$r) {
		603	my $pattern = $k;
		604	$pattern =~ y/./-/ if $isarg;
		605	my $prefix = $name;
		606	my $suffix;
		607	if ($pattern =~ /\-$/) {
		608	$prefix = substr $name, 0, length $pattern;
		609	$suffix = substr $name, length $pattern;
		610	}
		611	if ($pattern eq $prefix) {
		612	$name = "$urxvt::RESCLASS.$k$suffix";
		613
		614	push @{ $term->{perl_ext_3} }, $v->[0];
		615
		616	if ($v->[1] eq "boolean") {
		617	$term->put_option_db ($name, $flag ? "true" : "false");
		618	return 1;
		619	} else {
		620	$term->put_option_db ($name, $value);
		621	return 1 + 2;
		622	}
		623	}
		624	}
		625
		626	0
		627	}
		628
		629	sub usage {
		630	my ($term, $usage_type) = @_;
		631
		632	$term->scan_extensions;
		633
		634	my $r = $term->{meta}{resource};
		635
		636	for my $pattern (sort keys %$r) {
		637	my ($ext, $type, $desc) = @{ $r->{$pattern} };
		638
		639	$desc .= " (-pe $ext)";
		640
		641	if ($usage_type == 1) {
		642	$pattern =~ y/./-/;
		643	$pattern =~ s/-$/-.../g;
		644
		645	if ($type eq "boolean") {
		646	urxvt::log sprintf " -%-30s %s\n", "/+$pattern", $desc;
		647	} else {
		648	urxvt::log sprintf " -%-30s %s\n", "$pattern $type", $desc;
		649	}
		650	} else {
		651	$pattern =~ s/\.$/.*/g;
		652	urxvt::log sprintf " %-31s %s\n", "$pattern:", $type;
		653	}
		654	}
		655	}
		656
907	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};	657	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
908		658
909	sub verbose {	659	sub verbose {
910	my ($level, $msg) = @_;	660	my ($level, $msg) = @_;
911	warn "$msg\n" if $level <= $verbosity;	661	warn "$msg\n" if $level <= $verbosity;
…		…
923	$pkg =~ s/[^[:word:]]/_/g;	673	$pkg =~ s/[^[:word:]]/_/g;
924	$pkg = "urxvt::ext::$pkg";	674	$pkg = "urxvt::ext::$pkg";
925		675
926	verbose 3, "loading extension '$path' into package '$pkg'";	676	verbose 3, "loading extension '$path' into package '$pkg'";
927		677
		678	(${"$pkg\::_NAME"} = $path) =~ s/^.*[\\\/]//; # hackish
		679
928	open my $fh, "<:raw", $path	680	open my $fh, "<:raw", $path
929	or die "$path: $!";	681	or die "$path: $!";
930		682
931	my $source =	683	my $source =
932	"package $pkg; use strict; use utf8; no warnings 'utf8';\n"	684	"package $pkg; use strict 'vars'; use utf8; no warnings 'utf8';\n"
933	. "#line 1 \"$path\"\n{\n"	685	. "#line 1 \"$path\"\n{\n"
934	. (do { local $/; <$fh> })	686	. (do { local $/; <$fh> })
935	. "\n};\n1";	687	. "\n};\n1";
936		688
937	eval $source	689	eval $source
…		…
946	# called by the rxvt core	698	# called by the rxvt core
947	sub invoke {	699	sub invoke {
948	local $TERM = shift;	700	local $TERM = shift;
949	my $htype = shift;	701	my $htype = shift;
950		702
951	if ($htype == 0) { # INIT	703	if ($htype == HOOK_INIT) {
952	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");	704	my @dirs = $TERM->perl_libdirs;
		705
		706	$TERM->scan_extensions;
953		707
954	my %ext_arg;	708	my %ext_arg;
955		709
956	{	710	{
957	my @init = @TERM_INIT;	711	my @init = @TERM_INIT;
…		…
960	my @pkg = @TERM_EXT;	714	my @pkg = @TERM_EXT;
961	@TERM_EXT = ();	715	@TERM_EXT = ();
962	$TERM->register_package ($_) for @pkg;	716	$TERM->register_package ($_) for @pkg;
963	}	717	}
964		718
		719	for (
965	for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {	720	(grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2),
		721	@{ delete $TERM->{perl_ext_3} }
		722	) {
966	if ($_ eq "default") {	723	if ($_ eq "default") {
967	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline);	724
		725	$ext_arg{$_} = []
		726	for
		727	qw(selection option-popup selection-popup readline),
		728	map $_->[0], values %{ $TERM->{meta}{binding} };
		729
		730	for ($TERM->_keysym_resources) {
		731	next if /^(?:string|command|builtin|builtin-string|perl)/;
		732	next unless /^([A-Za-z0-9_\-]+):/;
		733
		734	my $ext = $1;
		735
		736	$ext_arg{$ext} = [];
		737	}
		738
968	} elsif (/^-(.*)$/) {	739	} elsif (/^-(.*)$/) {
969	delete $ext_arg{$1};	740	delete $ext_arg{$1};
		741
970	} elsif (/^([^<]+)<(.*)>$/) {	742	} elsif (/^([^<]+)<(.*)>$/) {
971	push @{ $ext_arg{$1} }, $2;	743	push @{ $ext_arg{$1} }, $2;
		744
972	} else {	745	} else {
973	$ext_arg{$_} ||= [];	746	$ext_arg{$_} ||= [];
		747	}
		748	}
		749
		750	# now register default key bindings
		751	for my $ext (sort keys %ext_arg) {
		752	while (my ($k, $v) = each %{ $TERM->{meta}{ext}{$ext}{binding} }) {
		753	$TERM->bind_action ($k, "$v->[0]:$v->[1]");
974	}	754	}
975	}	755	}
976		756
977	for my $ext (sort keys %ext_arg) {	757	for my $ext (sort keys %ext_arg) {
978	my @files = grep -f $_, map "$_/$ext", @dirs;	758	my @files = grep -f $_, map "$_/$ext", @dirs;
…		…
992		772
993	if (my $cb = $TERM->{_hook}[$htype]) {	773	if (my $cb = $TERM->{_hook}[$htype]) {
994	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"	774	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
995	if $verbosity >= 10;	775	if $verbosity >= 10;
996		776
		777	if ($htype == HOOK_ACTION) {
		778	# this hook is only sent to the extension with the name
		779	# matching the first arg
		780	my $pkg = shift;
		781	$pkg =~ y/-/_/;
		782	$pkg = "urxvt::ext::$pkg";
		783
		784	$cb = $cb->{$pkg}
		785	or return undef; #TODO: maybe warn user?
		786
		787	$cb = { $pkg => $cb };
		788	}
		789
997	for my $pkg (keys %$cb) {	790	for my $pkg (keys %$cb) {
998	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg}, @_) };	791	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg} || $TERM, @_) };
999	$retval ||= $retval_;	792	$retval ||= $retval_;
1000		793
1001	if ($@) {	794	if ($@) {
1002	$TERM->ungrab; # better to lose the grab than the session	795	$TERM->ungrab; # better to lose the grab than the session
1003	warn $@;	796	warn $@;
…		…
1006		799
1007	verbose 11, "$HOOKNAME[$htype] returning <$retval>"	800	verbose 11, "$HOOKNAME[$htype] returning <$retval>"
1008	if $verbosity >= 11;	801	if $verbosity >= 11;
1009	}	802	}
1010		803
1011	if ($htype == 1) { # DESTROY	804	if ($htype == HOOK_DESTROY) {
1012	# clear package objects	805	# clear package objects
1013	%$_ = () for values %{ $TERM->{_pkg} };	806	%$_ = () for values %{ $TERM->{_pkg} };
1014		807
1015	# clear package	808	# clear package
1016	%$TERM = ();	809	%$TERM = ();
…		…
1046	}	839	}
1047	}	840	}
1048	($mask, @color{qw(fg bg)}, \@failed)	841	($mask, @color{qw(fg bg)}, \@failed)
1049	}	842	}
1050		843
1051	# urxvt::term::extension
1052
1053	package urxvt::term::extension;	844	package urxvt::term::extension;
1054		845
1055	sub enable {	846	=head2 The C<urxvt::term::extension> class
1056	my ($self, %hook) = @_;
1057	my $pkg = $self->{_pkg};
1058		847
1059	while (my ($name, $cb) = each %hook) {	848	Each extension attached to a terminal object is represented by
1060	my $htype = $HOOKTYPE{uc $name};	849	a C<urxvt::term::extension> object.
1061	defined $htype
1062	or Carp::croak "unsupported hook type '$name'";
1063		850
1064	$self->set_should_invoke ($htype, +1)	851	You can use these objects, which are passed to all callbacks to store any
1065	unless exists $self->{term}{_hook}[$htype]{$pkg};	852	state related to the terminal and extension instance.
1066		853
1067	$self->{term}{_hook}[$htype]{$pkg} = $cb;	854	The methods (And data members) documented below can be called on extension
1068	}	855	objects, in addition to call methods documented for the <urxvt::term>
1069	}	856	class.
1070		857
1071	sub disable {	858	=over 4
1072	my ($self, @hook) = @_;
1073	my $pkg = $self->{_pkg};
1074		859
1075	for my $name (@hook) {	860	=item $urxvt_term = $self->{term}
1076	my $htype = $HOOKTYPE{uc $name};
1077	defined $htype
1078	or Carp::croak "unsupported hook type '$name'";
1079		861
1080	$self->set_should_invoke ($htype, -1)	862	Returns the C<urxvt::term> object associated with this instance of the
1081	if delete $self->{term}{_hook}[$htype]{$pkg};	863	extension. This member I<must not> be changed in any way.
1082	}	864
1083	}	865	=cut
1084		866
1085	our $AUTOLOAD;	867	our $AUTOLOAD;
1086		868
1087	sub AUTOLOAD {	869	sub AUTOLOAD {
1088	$AUTOLOAD =~ /:([^:]+)$/	870	$AUTOLOAD =~ /:([^:]+)$/
…		…
1101		883
1102	sub DESTROY {	884	sub DESTROY {
1103	# nop	885	# nop
1104	}	886	}
1105		887
1106	# urxvt::destroy_hook	888	# urxvt::destroy_hook (basically a cheap Guard:: implementation)
1107		889
1108	sub urxvt::destroy_hook::DESTROY {	890	sub urxvt::destroy_hook::DESTROY {
1109	${$_[0]}->();	891	${$_[0]}->();
1110	}	892	}
1111		893
1112	sub urxvt::destroy_hook(&) {	894	sub urxvt::destroy_hook(&) {
1113	bless \shift, urxvt::destroy_hook::	895	bless \shift, urxvt::destroy_hook::
1114	}	896	}
		897
		898	=item $self->enable ($hook_name => $cb[, $hook_name => $cb..])
		899
		900	Dynamically enable the given hooks (named without the C<on_> prefix) for
		901	this extension, replacing any hook previously installed via C<enable> in
		902	this extension.
		903
		904	This is useful when you want to overwrite time-critical hooks only
		905	temporarily.
		906
		907	To install additional callbacks for the same hook, you can use the C<on>
		908	method of the C<urxvt::term> class.
		909
		910	=item $self->disable ($hook_name[, $hook_name..])
		911
		912	Dynamically disable the given hooks.
		913
		914	=cut
		915
		916	sub enable {
		917	my ($self, %hook) = @_;
		918	my $pkg = $self->{_pkg};
		919
		920	while (my ($name, $cb) = each %hook) {
		921	my $htype = $HOOKTYPE{uc $name};
		922	defined $htype
		923	or Carp::croak "unsupported hook type '$name'";
		924
		925	$self->set_should_invoke ($htype, +1)
		926	unless exists $self->{term}{_hook}[$htype]{$pkg};
		927
		928	$self->{term}{_hook}[$htype]{$pkg} = $cb;
		929	}
		930	}
		931
		932	sub disable {
		933	my ($self, @hook) = @_;
		934	my $pkg = $self->{_pkg};
		935
		936	for my $name (@hook) {
		937	my $htype = $HOOKTYPE{uc $name};
		938	defined $htype
		939	or Carp::croak "unsupported hook type '$name'";
		940
		941	$self->set_should_invoke ($htype, -1)
		942	if delete $self->{term}{_hook}[$htype]{$pkg};
		943	}
		944	}
		945
		946	=item $guard = $self->on ($hook_name => $cb[, $hook_name => $cb..])
		947
		948	Similar to the C<enable> enable, but installs additional callbacks for
		949	the given hook(s) (that is, it doesn't replace existing callbacks), and
		950	returns a guard object. When the guard object is destroyed the callbacks
		951	are disabled again.
		952
		953	=cut
		954
		955	sub urxvt::extension::on_disable::DESTROY {
		956	my $disable = shift;
		957
		958	my $term = delete $disable->{""};
		959
		960	while (my ($htype, $id) = each %$disable) {
		961	delete $term->{_hook}[$htype]{$id};
		962	$term->set_should_invoke ($htype, -1);
		963	}
		964	}
		965
		966	sub on {
		967	my ($self, %hook) = @_;
		968
		969	my $term = $self->{term};
		970
		971	my %disable = ( "" => $term );
		972
		973	while (my ($name, $cb) = each %hook) {
		974	my $htype = $HOOKTYPE{uc $name};
		975	defined $htype
		976	or Carp::croak "unsupported hook type '$name'";
		977
		978	$term->set_should_invoke ($htype, +1);
		979	$term->{_hook}[$htype]{ $disable{$htype} = $cb+0 }
		980	= sub { shift; $cb->($self, @_) }; # very ugly indeed
		981	}
		982
		983	bless \%disable, "urxvt::extension::on_disable"
		984	}
		985
		986	=item $self->x_resource ($pattern)
		987
		988	=item $self->x_resource_boolean ($pattern)
		989
		990	These methods support an additional C<%> prefix when called on an
		991	extension object - see the description of these methods in the
		992	C<urxvt::term> class for details.
		993
		994	=cut
		995
		996	sub x_resource {
		997	my ($self, $name) = @_;
		998	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		999	$self->{term}->x_resource ($name)
		1000	}
		1001
		1002	sub x_resource_boolean {
		1003	my ($self, $name) = @_;
		1004	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		1005	$self->{term}->x_resource_boolean ($name)
		1006	}
		1007
		1008	=back
		1009
		1010	=cut
1115		1011
1116	package urxvt::anyevent;	1012	package urxvt::anyevent;
1117		1013
1118	=head2 The C<urxvt::anyevent> Class	1014	=head2 The C<urxvt::anyevent> Class
1119		1015
1120	The sole purpose of this class is to deliver an interface to the	1016	The sole purpose of this class is to deliver an interface to the
1121	C<AnyEvent> module - any module using it will work inside urxvt without	1017	C<AnyEvent> module - any module using it will work inside urxvt without
1122	further programming. The only exception is that you cannot wait on	1018	further programming. The only exception is that you cannot wait on
1123	condition variables, but non-blocking condvar use is ok. What this means	1019	condition variables, but non-blocking condvar use is ok.
1124	is that you cannot use blocking APIs, but the non-blocking variant should
1125	work.
1126		1020
1127	=cut	1021	In practical terms this means is that you cannot use blocking APIs, but
		1022	the non-blocking variant should work.
1128		1023
		1024	=cut
		1025
1129	our $VERSION = '3.4';	1026	our $VERSION = '5.23';
1130		1027
1131	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there	1028	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
1132	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];	1029	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
1133		1030
1134	sub timer {	1031	sub timer {
…		…
1136		1033
1137	my $cb = $arg{cb};	1034	my $cb = $arg{cb};
1138		1035
1139	urxvt::timer	1036	urxvt::timer
1140	->new	1037	->new
1141	->after ($arg{after})	1038	->after ($arg{after}, $arg{interval})
1142	->interval ($arg{interval})	1039	->cb ($arg{interval} ? $cb : sub {
1143	->start
1144	->cb (sub {
1145	#TODO interval?
1146	$_[0]->stop; # need to cancel manually	1040	$_[0]->stop; # need to cancel manually
1147	$cb->();	1041	$cb->();
1148	})	1042	})
1149	}	1043	}
1150		1044
…		…
1155	my $fd = fileno $arg{fh};	1049	my $fd = fileno $arg{fh};
1156	defined $fd or $fd = $arg{fh};	1050	defined $fd or $fd = $arg{fh};
1157		1051
1158	bless [$arg{fh}, urxvt::iow	1052	bless [$arg{fh}, urxvt::iow
1159	->new	1053	->new
1160	->fd (defined fileno $arg{fh})	1054	->fd ($fd)
1161	->events (($arg{poll} =~ /r/ ? 1 : 0)	1055	->events (($arg{poll} =~ /r/ ? 1 : 0)
1162	| ($arg{poll} =~ /w/ ? 2 : 0))	1056	| ($arg{poll} =~ /w/ ? 2 : 0))
1163	->start	1057	->start
1164	->cb ($cb)	1058	->cb ($cb)
1165	], urxvt::anyevent::	1059	], urxvt::anyevent::
…		…
1171	my $cb = $arg{cb};	1065	my $cb = $arg{cb};
1172		1066
1173	urxvt::iw	1067	urxvt::iw
1174	->new	1068	->new
1175	->start	1069	->start
1176	->cb (sub {	1070	->cb ($cb)
1177	#TODO really cancel?
1178	$_[0]->stop; # need to cancel manually
1179	$cb->();
1180	})
1181	}	1071	}
1182		1072
1183	sub child {	1073	sub child {
1184	my ($class, %arg) = @_;	1074	my ($class, %arg) = @_;
1185		1075
…		…
1187		1077
1188	urxvt::pw	1078	urxvt::pw
1189	->new	1079	->new
1190	->start ($arg{pid})	1080	->start ($arg{pid})
1191	->cb (sub {	1081	->cb (sub {
1192	#TODO really cancel?
1193	$_[0]->stop; # need to cancel manually	1082	$_[0]->stop; # need to cancel manually
1194	$cb->($_[0]->rpid, $_[0]->rstatus);	1083	$cb->($_[0]->rpid, $_[0]->rstatus);
1195	})	1084	})
1196	}	1085	}
1197		1086
1198	sub DESTROY {	1087	sub DESTROY {
1199	$_[0][1]->stop;	1088	$_[0][1]->stop;
1200	}	1089	}
1201		1090
		1091	# only needed for AnyEvent < 6 compatibility
1202	sub one_event {	1092	sub one_event {
1203	Carp::croak "AnyEvent->one_event blocking wait unsupported in urxvt, use a non-blocking API";	1093	Carp::croak "AnyEvent->one_event blocking wait unsupported in urxvt, use a non-blocking API";
1204	}	1094	}
1205		1095
1206	package urxvt::term;	1096	package urxvt::term;
…		…
1221	urxvt::verbose 6, "register package $pkg to $self";	1111	urxvt::verbose 6, "register package $pkg to $self";
1222		1112
1223	@{"$pkg\::ISA"} = urxvt::term::extension::;	1113	@{"$pkg\::ISA"} = urxvt::term::extension::;
1224		1114
1225	my $proxy = bless {	1115	my $proxy = bless {
1226	_pkg => $pkg,	1116	_pkg => $pkg,
		1117	_name => ${"$pkg\::_NAME"}, # hackish
1227	argv => $argv,	1118	argv => $argv,
1228	}, $pkg;	1119	}, $pkg;
1229	Scalar::Util::weaken ($proxy->{term} = $self);	1120	Scalar::Util::weaken ($proxy->{term} = $self);
1230		1121
1231	$self->{_pkg}{$pkg} = $proxy;	1122	$self->{_pkg}{$pkg} = $proxy;
1232		1123
…		…
1235	$proxy->enable ($name => $ref);	1126	$proxy->enable ($name => $ref);
1236	}	1127	}
1237	}	1128	}
1238	}	1129	}
1239		1130
		1131	sub perl_libdirs {
		1132	map { split /:/ }
		1133	$_[0]->resource ("perl_lib"),
		1134	$ENV{URXVT_PERL_LIB},
		1135	"$ENV{HOME}/.urxvt/ext",
		1136	"$LIBDIR/perl"
		1137	}
		1138
		1139	# scan for available extensions and collect their metadata
		1140	sub scan_extensions {
		1141	my ($self) = @_;
		1142
		1143	return if exists $self->{meta};
		1144
		1145	my @libdirs = perl_libdirs $self;
		1146
		1147	# return if $self->{meta_libdirs} eq join "\x00", @libdirs;#d#
		1148
		1149	# $self->{meta_libdirs} = join "\x00", @libdirs;#d#
		1150	$self->{meta} = \my %meta;
		1151
		1152	# first gather extensions
		1153	for my $dir (reverse @libdirs) {
		1154	opendir my $fh, $dir
		1155	or next;
		1156	for my $ext (readdir $fh) {
		1157	$ext !~ /^\./
		1158	and open my $fh, "<", "$dir/$ext"
		1159	or next;
		1160
		1161	my %ext = (dir => $dir);
		1162
		1163	while (<$fh>) {
		1164	if (/^#:META:(?:X_)?RESOURCE:(.*)/) {
		1165	my ($pattern, $type, $desc) = split /:/, $1;
		1166	$pattern =~ s/^%(\.|$)/$ext$1/g; # % in pattern == extension name
		1167	if ($pattern =~ /[^a-zA-Z0-9\-\.]/) {
		1168	warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n";
		1169	} else {
		1170	$ext{resource}{$pattern} = [$ext, $type, $desc];
		1171	}
		1172	} elsif (/^#:META:BINDING:(.*)/) {
		1173	my ($keysym, $action) = split /:/, $1;
		1174	$ext{binding}{$keysym} = [$ext, $action];
		1175	} elsif (/^\s*(?:#|$)/) {
		1176	# skip other comments and empty lines
		1177	} else {
		1178	last; # stop parsing on first non-empty non-comment line
		1179	}
		1180	}
		1181
		1182	$meta{ext}{$ext} = \%ext;
		1183	}
		1184	}
		1185
		1186	# and now merge resources and bindings
		1187	while (my ($k, $v) = each %{ $meta{ext} }) {
		1188	#TODO: should check for extensions overriding each other
		1189	%{ $meta{resource} } = (%{ $meta{resource} }, %{ $v->{resource} });
		1190	%{ $meta{binding} } = (%{ $meta{binding} }, %{ $v->{binding} });
		1191	}
		1192	}
		1193
1240	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]	1194	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
1241		1195
1242	Creates a new terminal, very similar as if you had started it with system	1196	Creates a new terminal, very similar as if you had started it with system
1243	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like	1197	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
1244	hash which defines the environment of the new terminal.	1198	hash which defines the environment of the new terminal.
…		…
1261	}	1215	}
1262		1216
1263	=item $term->destroy	1217	=item $term->destroy
1264		1218
1265	Destroy the terminal object (close the window, free resources	1219	Destroy the terminal object (close the window, free resources
1266	etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event	1220	etc.). Please note that urxvt will not exit as long as any event
1267	watchers (timers, io watchers) are still active.	1221	watchers (timers, io watchers) are still active.
1268		1222
1269	=item $term->exec_async ($cmd[, @args])	1223	=item $term->exec_async ($cmd[, @args])
1270		1224
1271	Works like the combination of the C<fork>/C<exec> builtins, which executes	1225	Works like the combination of the C<fork>/C<exec> builtins, which executes
…		…
1298	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.	1252	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
1299		1253
1300	Here is a likely non-exhaustive list of option names, please see the	1254	Here is a likely non-exhaustive list of option names, please see the
1301	source file F</src/optinc.h> to see the actual list:	1255	source file F</src/optinc.h> to see the actual list:
1302		1256
1303	borderLess console cursorBlink cursorUnderline hold iconic insecure	1257	borderLess buffered console cursorBlink cursorUnderline hold iconic
1304	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage	1258	insecure intensityStyles iso14755 iso14755_52 jumpScroll loginShell
1305	override-redirect pastableTabs pointerBlank reverseVideo scrollBar	1259	mapAlert meta8 mouseWheelScrollPage override_redirect pastableTabs
1306	scrollBar_floating scrollBar_right scrollTtyKeypress scrollTtyOutput	1260	pointerBlank reverseVideo scrollBar scrollBar_floating scrollBar_right
1307	scrollWithBuffer secondaryScreen secondaryScroll skipBuiltinGlyphs	1261	scrollTtyKeypress scrollTtyOutput scrollWithBuffer secondaryScreen
1308	transparent tripleclickwords utmpInhibit visualBell	1262	secondaryScroll skipBuiltinGlyphs skipScroll transparent tripleclickwords
		1263	urgentOnBell utmpInhibit visualBell
1309		1264
1310	=item $value = $term->resource ($name[, $newval])	1265	=item $value = $term->resource ($name[, $newval])
1311		1266
1312	Returns the current resource value associated with a given name and	1267	Returns the current resource value associated with a given name and
1313	optionally sets a new value. Setting values is most useful in the C<init>	1268	optionally sets a new value. Setting values is most useful in the C<init>
…		…
1326		1281
1327	Here is a likely non-exhaustive list of resource names, not all of which	1282	Here is a likely non-exhaustive list of resource names, not all of which
1328	are supported in every build, please see the source file F</src/rsinc.h>	1283	are supported in every build, please see the source file F</src/rsinc.h>
1329	to see the actual list:	1284	to see the actual list:
1330		1285
1331	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont	1286	answerbackstring backgroundPixmap backspace_key blurradius
1332	borderLess chdir color cursorBlink cursorUnderline cutchars delete_key	1287	boldFont boldItalicFont borderLess buffered chdir color cursorBlink
1333	display_name embed ext_bwidth fade font geometry hold iconName	1288	cursorUnderline cutchars delete_key depth display_name embed ext_bwidth
1334	imFont imLocale inputMethod insecure int_bwidth intensityStyles	1289	fade font geometry hold iconName iconfile imFont imLocale inputMethod
1335	italicFont jumpScroll lineSpace letterSpace loginShell mapAlert meta8	1290	insecure int_bwidth intensityStyles iso14755 iso14755_52 italicFont
		1291	jumpScroll letterSpace lineSpace loginShell mapAlert meta8 modifier
1336	modifier mouseWheelScrollPage name override_redirect pastableTabs path	1292	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
1337	perl_eval perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay	1293	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
1338	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar	1294	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
1339	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness	1295	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
1340	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle	1296	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
1341	secondaryScreen secondaryScroll shade term_name title	1297	secondaryScreen secondaryScroll shade skipBuiltinGlyphs skipScroll
1342	transient_for transparent transparent_all tripleclickwords utmpInhibit	1298	term_name title transient_for transparent tripleclickwords urgentOnBell
1343	visualBell	1299	utmpInhibit visualBell
1344		1300
1345	=cut	1301	=cut
1346		1302
1347	sub resource($$;$) {	1303	sub resource($$;$) {
1348	my ($self, $name) = (shift, shift);	1304	my ($self, $name) = (shift, shift);
…		…
1355	Returns the X-Resource for the given pattern, excluding the program or	1311	Returns the X-Resource for the given pattern, excluding the program or
1356	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the	1312	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
1357	same value as used by this instance of rxvt-unicode. Returns C<undef> if no	1313	same value as used by this instance of rxvt-unicode. Returns C<undef> if no
1358	resource with that pattern exists.	1314	resource with that pattern exists.
1359		1315
		1316	Extensions that define extra resources also need to call this method
		1317	to access their values.
		1318
		1319	If the method is called on an extension object (basically, from an
		1320	extension), then the special prefix C<%.> will be replaced by the name of
		1321	the extension and a dot, and the lone string C<%> will be replaced by the
		1322	extension name itself. This makes it possible to code extensions so you
		1323	can rename them and get a new set of resources without having to change
		1324	the actual code.
		1325
1360	This method should only be called during the C<on_start> hook, as there is	1326	This method should only be called during the C<on_start> hook, as there is
1361	only one resource database per display, and later invocations might return	1327	only one resource database per display, and later invocations might return
1362	the wrong resources.	1328	the wrong resources.
1363		1329
1364	=item $success = $term->parse_keysym ($keysym_spec, $command_string)	1330	=item $value = $term->x_resource_boolean ($pattern)
1365		1331
		1332	Like C<x_resource>, above, but interprets the string value as a boolean
		1333	and returns C<1> for true values, C<0> for false values and C<undef> if
		1334	the resource or option isn't specified.
		1335
		1336	You should always use this method to parse boolean resources.
		1337
		1338	=cut
		1339
		1340	sub x_resource_boolean {
		1341	my $res = &x_resource;
		1342
		1343	$res =~ /^\s*(?:true|yes|on|1)\s*$/i ? 1 : defined $res && 0
		1344	}
		1345
		1346	=item $success = $term->bind_action ($key, $octets)
		1347
1366	Adds a keymap translation exactly as specified via a resource. See the	1348	Adds a key binding exactly as specified via a C<keysym> resource. See the
1367	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.	1349	C<keysym> resource in the urxvt(1) manpage.
1368		1350
1369	=item $rend = $term->rstyle ([$new_rstyle])	1351	=item $rend = $term->rstyle ([$new_rstyle])
1370		1352
1371	Return and optionally change the current rendition. Text that is output by	1353	Return and optionally change the current rendition. Text that is output by
1372	the terminal application will use this style.	1354	the terminal application will use this style.
…		…
1380		1362
1381	=item ($row, $col) = $term->selection_beg ([$row, $col])	1363	=item ($row, $col) = $term->selection_beg ([$row, $col])
1382		1364
1383	=item ($row, $col) = $term->selection_end ([$row, $col])	1365	=item ($row, $col) = $term->selection_end ([$row, $col])
1384		1366
1385	Return the current values of the selection mark, begin or end positions,	1367	Return the current values of the selection mark, begin or end positions.
1386	and optionally set them to new values.	1368
		1369	When arguments are given, then the selection coordinates are set to
		1370	C<$row> and C<$col>, and the selection screen is set to the current
		1371	screen.
		1372
		1373	=item $screen = $term->selection_screen ([$screen])
		1374
		1375	Returns the current selection screen, and then optionally sets it.
1387		1376
1388	=item $term->selection_make ($eventtime[, $rectangular])	1377	=item $term->selection_make ($eventtime[, $rectangular])
1389		1378
1390	Tries to make a selection as set by C<selection_beg> and	1379	Tries to make a selection as set by C<selection_beg> and
1391	C<selection_end>. If C<$rectangular> is true (default: false), a	1380	C<selection_end>. If C<$rectangular> is true (default: false), a
1392	rectangular selection will be made. This is the prefered function to make	1381	rectangular selection will be made. This is the preferred function to make
1393	a selection.	1382	a selection.
1394		1383
1395	=item $success = $term->selection_grab ($eventtime)	1384	=item $success = $term->selection_grab ($eventtime[, $clipboard])
1396		1385
1397	Try to request the primary selection text from the server (for example, as	1386	Try to acquire ownership of the primary (clipboard if C<$clipboard> is
		1387	true) selection from the server. The corresponding text can be set
1398	set by the next method). No visual feedback will be given. This function	1388	with the next method. No visual feedback will be given. This function
1399	is mostly useful from within C<on_sel_grab> hooks.	1389	is mostly useful from within C<on_sel_grab> hooks.
1400		1390
1401	=item $oldtext = $term->selection ([$newtext])	1391	=item $oldtext = $term->selection ([$newtext, $clipboard])
1402		1392
1403	Return the current selection text and optionally replace it by C<$newtext>.	1393	Return the current selection (clipboard if C<$clipboard> is true) text
		1394	and optionally replace it by C<$newtext>.
		1395
		1396	=item $term->selection_clear ([$clipboard])
		1397
		1398	Revoke ownership of the primary (clipboard if C<$clipboard> is true) selection.
1404		1399
1405	=item $term->overlay_simple ($x, $y, $text)	1400	=item $term->overlay_simple ($x, $y, $text)
1406		1401
1407	Create a simple multi-line overlay box. See the next method for details.	1402	Create a simple multi-line overlay box. See the next method for details.
1408		1403
…		…
1517		1512
1518	=item $term->scr_add_lines ($string)	1513	=item $term->scr_add_lines ($string)
1519		1514
1520	Write the given text string to the screen, as if output by the application	1515	Write the given text string to the screen, as if output by the application
1521	running inside the terminal. It may not contain command sequences (escape	1516	running inside the terminal. It may not contain command sequences (escape
1522	codes), but is free to use line feeds, carriage returns and tabs. The	1517	codes - see C<cmd_parse> for that), but is free to use line feeds,
1523	string is a normal text string, not in locale-dependent encoding.	1518	carriage returns and tabs. The string is a normal text string, not in
		1519	locale-dependent encoding.
1524		1520
1525	Normally its not a good idea to use this function, as programs might be	1521	Normally its not a good idea to use this function, as programs might be
1526	confused by changes in cursor position or scrolling. Its useful inside a	1522	confused by changes in cursor position or scrolling. Its useful inside a
1527	C<on_add_lines> hook, though.	1523	C<on_add_lines> hook, though.
1528		1524
…		…
1536	locale-specific encoding of the terminal and can contain command sequences	1532	locale-specific encoding of the terminal and can contain command sequences
1537	(escape codes) that will be interpreted.	1533	(escape codes) that will be interpreted.
1538		1534
1539	=item $term->tt_write ($octets)	1535	=item $term->tt_write ($octets)
1540		1536
1541	Write the octets given in C<$data> to the tty (i.e. as program input). To	1537	Write the octets given in C<$octets> to the tty (i.e. as user input
		1538	to the program, see C<cmd_parse> for the opposite direction). To pass
1542	pass characters instead of octets, you should convert your strings first	1539	characters instead of octets, you should convert your strings first to the
1543	to the locale-specific encoding using C<< $term->locale_encode >>.	1540	locale-specific encoding using C<< $term->locale_encode >>.
		1541
		1542	=item $term->tt_write_user_input ($octets)
		1543
		1544	Like C<tt_write>, but should be used when writing strings in response to
		1545	the user pressing a key, to invoke the additional actions requested by
		1546	the user for that case (C<tt_write> doesn't do that).
		1547
		1548	The typical use case would be inside C<on_action> hooks.
		1549
		1550	=item $term->tt_paste ($octets)
		1551
		1552	Write the octets given in C<$octets> to the tty as a paste, converting NL to
		1553	CR and bracketing the data with control sequences if bracketed paste mode
		1554	is set.
1544		1555
1545	=item $old_events = $term->pty_ev_events ([$new_events])	1556	=item $old_events = $term->pty_ev_events ([$new_events])
1546		1557
1547	Replaces the event mask of the pty watcher by the given event mask. Can	1558	Replaces the event mask of the pty watcher by the given event mask. Can
1548	be used to suppress input and output handling to the pty/tty. See the	1559	be used to suppress input and output handling to the pty/tty. See the
…		…
1566		1577
1567	Adds the specified events to the vt event mask. Useful e.g. when you want	1578	Adds the specified events to the vt event mask. Useful e.g. when you want
1568	to receive pointer events all the times:	1579	to receive pointer events all the times:
1569		1580
1570	$term->vt_emask_add (urxvt::PointerMotionMask);	1581	$term->vt_emask_add (urxvt::PointerMotionMask);
		1582
		1583	=item $term->set_urgency ($set)
		1584
		1585	Enable/disable the urgency hint on the toplevel window.
1571		1586
1572	=item $term->focus_in	1587	=item $term->focus_in
1573		1588
1574	=item $term->focus_out	1589	=item $term->focus_out
1575		1590
…		…
1772	}	1787	}
1773		1788
1774	sub urxvt::line::t {	1789	sub urxvt::line::t {
1775	my ($self) = @_;	1790	my ($self) = @_;
1776		1791
1777	if (@_ > 1)	1792	if (@_ > 1) {
1778	{
1779	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1793	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1780	for $self->{beg} .. $self->{end};	1794	for $self->{beg} .. $self->{end};
1781	}	1795	}
1782		1796
1783	defined wantarray &&	1797	defined wantarray &&
1784	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),	1798	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),
1785	0, $self->{len}	1799	0, $self->{len}
1786	}	1800	}
1787		1801
1788	sub urxvt::line::r {	1802	sub urxvt::line::r {
1789	my ($self) = @_;	1803	my ($self) = @_;
1790		1804
1791	if (@_ > 1)	1805	if (@_ > 1) {
1792	{
1793	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1806	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1794	for $self->{beg} .. $self->{end};	1807	for $self->{beg} .. $self->{end};
1795	}	1808	}
1796		1809
1797	if (defined wantarray) {	1810	if (defined wantarray) {
1798	my $rend = [	1811	my $rend = [
1799	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}	1812	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}
1800	];	1813	];
…		…
1862	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most	1875	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
1863	recent grab.	1876	recent grab.
1864		1877
1865	=item $term->ungrab	1878	=item $term->ungrab
1866		1879
1867	Calls XUngrab for the most recent grab. Is called automatically on	1880	Calls XUngrabPointer and XUngrabKeyboard for the most recent grab. Is called automatically on
1868	evaluation errors, as it is better to lose the grab in the error case as	1881	evaluation errors, as it is better to lose the grab in the error case as
1869	the session.	1882	the session.
1870		1883
1871	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])	1884	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
1872		1885
…		…
1892		1905
1893	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)	1906	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
1894		1907
1895	=item $term->XChangeInput ($window, $add_events[, $del_events])	1908	=item $term->XChangeInput ($window, $add_events[, $del_events])
1896		1909
		1910	=item $keysym = $term->XStringToKeysym ($string)
		1911
		1912	=item $string = $term->XKeysymToString ($keysym)
		1913
1897	Various X or X-related functions. The C<$term> object only serves as	1914	Various X or X-related functions. The C<$term> object only serves as
1898	the source of the display, otherwise those functions map more-or-less	1915	the source of the display, otherwise those functions map more-or-less
1899	directory onto the X functions of the same name.	1916	directly onto the X functions of the same name.
1900		1917
1901	=back	1918	=back
1902		1919
1903	=cut	1920	=cut
1904		1921
…		…
2061		2078
2062	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })	2079	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })
2063		2080
2064	Set the callback to be called when the timer triggers.	2081	Set the callback to be called when the timer triggers.
2065		2082
2066	=item $tstamp = $timer->at
2067
2068	Return the time this watcher will fire next.
2069
2070	=item $timer = $timer->set ($tstamp)	2083	=item $timer = $timer->set ($tstamp[, $interval])
2071		2084
2072	Set the time the event is generated to $tstamp.	2085	Set the time the event is generated to $tstamp (and optionally specifies a
		2086	new $interval).
2073		2087
2074	=item $timer = $timer->interval ($interval)	2088	=item $timer = $timer->interval ($interval)
2075		2089
2076	Normally (and when C<$interval> is C<0>), the timer will automatically	2090	By default (and when C<$interval> is C<0>), the timer will automatically
2077	stop after it has fired once. If C<$interval> is non-zero, then the timer	2091	stop after it has fired once. If C<$interval> is non-zero, then the timer
2078	is automatically rescheduled at the given intervals.	2092	is automatically rescheduled at the given intervals.
2079		2093
2080	=item $timer = $timer->start	2094	=item $timer = $timer->start
2081		2095
2082	Start the timer.	2096	Start the timer.
2083		2097
2084	=item $timer = $timer->start ($tstamp)	2098	=item $timer = $timer->start ($tstamp[, $interval])
2085		2099
2086	Set the event trigger time to C<$tstamp> and start the timer.	2100	Set the event trigger time to C<$tstamp> and start the timer. Optionally
		2101	also replaces the interval.
2087		2102
2088	=item $timer = $timer->after ($delay)	2103	=item $timer = $timer->after ($delay[, $interval])
2089		2104
2090	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.	2105	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
2091		2106
2092	=item $timer = $timer->stop	2107	=item $timer = $timer->stop
2093		2108
…		…
2224		2239
2225	=back	2240	=back
2226		2241
2227	=head1 AUTHOR	2242	=head1 AUTHOR
2228		2243
2229	Marc Lehmann <pcg@goof.com>	2244	Marc Lehmann <schmorp@schmorp.de>
2230	http://software.schmorp.de/pkg/rxvt-unicode	2245	http://software.schmorp.de/pkg/rxvt-unicode
2231		2246
2232	=cut	2247	=cut
2233		2248
2234	1	2249	1

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