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Revision 1.133 by root, Mon Feb 6 06:14:08 2006 UTC vs.
Revision 1.233 by sf-exg, Fri May 2 20:34:24 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	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 that add command line parameters or resources on their own are
45		49	loaded automatically when used.
46	=item selection (enabled by default)
47
48	(More) intelligent selection. This extension tries to be more intelligent
49	when the user extends selections (double-click and further clicks). Right
50	now, it tries to select words, urls and complete shell-quoted
51	arguments, which is very convenient, too, if your F<ls> supports
52	C<--quoting-style=shell>.
53
54	A double-click usually selects the word under the cursor, further clicks
55	will enlarge the selection.
56
57	The selection works by trying to match a number of regexes and displaying
58	them in increasing order of length. You can add your own regexes by
59	specifying resources of the form:
60
61	URxvt.selection.pattern-0: perl-regex
62	URxvt.selection.pattern-1: perl-regex
63	...
64
65	The index number (0, 1...) must not have any holes, and each regex must
66	contain at least one pair of capturing parentheses, which will be used for
67	the match. For example, the followign adds a regex that matches everything
68	between two vertical bars:
69
70	URxvt.selection.pattern-0: \\|([^|]+)\\|
71
72	Another example: Programs I use often output "absolute path: " at the
73	beginning of a line when they process multiple files. The following
74	pattern matches the filename (note, there is a single space at the very
75	end):
76
77	URxvt.selection.pattern-0: ^(/[^:]+):\
78
79	You can look at the source of the selection extension to see more
80	interesting uses, such as parsing a line from beginning to end.
81
82	This extension also offers following bindable keyboard commands:
83
84	=over 4
85
86	=item rot13
87
88	Rot-13 the selection when activated. Used via keyboard trigger:
89
90	URxvt.keysym.C-M-r: perl:selection:rot13
91
92	=back
93
94	=item option-popup (enabled by default)
95
96	Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at
97	runtime.
98
99	Other extensions can extend this popup menu by pushing a code reference
100	onto C<@{ $term->{option_popup_hook} }>, which gets called whenever the
101	popup is being displayed.
102
103	It's sole argument is the popup menu, which can be modified. It should
104	either return nothing or a string, the initial boolean value and a code
105	reference. The string will be used as button text and the code reference
106	will be called when the toggle changes, with the new boolean value as
107	first argument.
108
109	The following will add an entry C<myoption> that changes
110	C<$self->{myoption}>:
111
112	push @{ $self->{term}{option_popup_hook} }, sub {
113	("my option" => $myoption, sub { $self->{myoption} = $_[0] })
114	};
115
116	=item selection-popup (enabled by default)
117
118	Binds a popup menu to Ctrl-Button3 that lets you convert the selection
119	text into various other formats/action (such as uri unescaping, perl
120	evaluation, web-browser starting etc.), depending on content.
121
122	Other extensions can extend this popup menu by pushing a code reference
123	onto C<@{ $term->{selection_popup_hook} }>, which gets called whenever the
124	popup is being displayed.
125
126	It's sole argument is the popup menu, which can be modified. The selection
127	is in C<$_>, which can be used to decide wether to add something or not.
128	It should either return nothing or a string and a code reference. The
129	string will be used as button text and the code reference will be called
130	when the button gets activated and should transform C<$_>.
131
132	The following will add an entry C<a to b> that transforms all C<a>s in
133	the selection to C<b>s, but only if the selection currently contains any
134	C<a>s:
135
136	push @{ $self->{term}{selection_popup_hook} }, sub {
137	/a/ ? ("a to be" => sub { s/a/b/g }
138	: ()
139	};
140
141	=item searchable-scrollback<hotkey> (enabled by default)
142
143	Adds regex search functionality to the scrollback buffer, triggered
144	by a hotkey (default: C<M-s>). While in search mode, normal terminal
145	input/output is suspended and a regex is displayed at the bottom of the
146	screen.
147
148	Inputting characters appends them to the regex and continues incremental
149	search. C<BackSpace> removes a character from the regex, C<Up> and C<Down>
150	search upwards/downwards in the scrollback buffer, C<End> jumps to the
151	bottom. C<Escape> leaves search mode and returns to the point where search
152	was started, while C<Enter> or C<Return> stay at the current position and
153	additionally stores the first match in the current line into the primary
154	selection.
155
156	=item readline (enabled by default)
157
158	A support package that tries to make editing with readline easier. At the
159	moment, it reacts to clicking with the left mouse button by trying to
160	move the text cursor to this position. It does so by generating as many
161	cursor-left or cursor-right keypresses as required (the this only works
162	for programs that correctly support wide characters).
163
164	To avoid too many false positives, this is only done when:
165
166	=over 4
167
168	=item - the tty is in ICANON state.
169
170	=item - the text cursor is visible.
171
172	=item - the primary screen is currently being displayed.
173
174	=item - the mouse is on the same (multi-row-) line as the text cursor.
175
176	=back
177
178	The normal selection mechanism isn't disabled, so quick successive clicks
179	might interfere with selection creation in harmless ways.
180
181	=item selection-autotransform
182
183	This selection allows you to do automatic transforms on a selection
184	whenever a selection is made.
185
186	It works by specifying perl snippets (most useful is a single C<s///>
187	operator) that modify C<$_> as resources:
188
189	URxvt.selection-autotransform.0: transform
190	URxvt.selection-autotransform.1: transform
191	...
192
193	For example, the following will transform selections of the form
194	C<filename:number>, often seen in compiler messages, into C<vi +$filename
195	$word>:
196
197	URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/
198
199	And this example matches the same,but replaces it with vi-commands you can
200	paste directly into your (vi :) editor:
201
202	URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/:e \\Q$1\\E\\x0d:$2\\x0d/
203
204	Of course, this can be modified to suit your needs and your editor :)
205
206	To expand the example above to typical perl error messages ("XXX at
207	FILENAME line YYY."), you need a slightly more elaborate solution:
208
209	URxvt.selection.pattern-0: ( at .*? line \\d+[,.])
210	URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)[,.]$/:e \\Q$1\E\\x0d:$2\\x0d/
211
212	The first line tells the selection code to treat the unchanging part of
213	every error message as a selection pattern, and the second line transforms
214	the message into vi commands to load the file.
215
216	=item tabbed
217
218	This transforms the terminal into a tabbar with additional terminals, that
219	is, it implements what is commonly refered to as "tabbed terminal". The topmost line
220	displays a "[NEW]" button, which, when clicked, will add a new tab, followed by one
221	button per tab.
222
223	Clicking a button will activate that tab. Pressing B<Shift-Left> and
224	B<Shift-Right> will switch to the tab left or right of the current one,
225	while B<Shift-Down> creates a new tab.
226
227	The tabbar itself can be configured similarly to a normal terminal, but
228	with a resource class of C<URxvt.tabbed>. In addition, it supports the
229	following four resources (shown with defaults):
230
231	URxvt.tabbed.tabbar-fg: <colour-index, default 3>
232	URxvt.tabbed.tabbar-bg: <colour-index, default 0>
233	URxvt.tabbed.tab-fg: <colour-index, default 0>
234	URxvt.tabbed.tab-bg: <colour-index, default 1>
235
236	See I<COLOR AND GRAPHICS> in the @@RXVT_NAME@@(1) manpage for valid
237	indices.
238
239	=item mark-urls
240
241	Uses per-line display filtering (C<on_line_update>) to underline urls and
242	make them clickable. When middle-clicked, the program specified in the
243	resource C<urlLauncher> (default C<x-www-browser>) will be started with
244	the URL as first argument.
245
246	=item xim-onthespot
247
248	This (experimental) perl extension implements OnTheSpot editing. It does
249	not work perfectly, and some input methods don't seem to work well with
250	OnTheSpot editing in general, but it seems to work at leats for SCIM and
251	kinput2.
252
253	You enable it by specifying this extension and a preedit style of
254	C<OnTheSpot>, i.e.:
255
256	@@RXVT_NAME@@ -pt OnTheSpot -pe xim-onthespot
257
258	=item automove-background
259
260	This is basically a one-line extension that dynamically changes the background pixmap offset
261	to the window position, in effect creating the same effect as pseudo transparency with
262	a custom pixmap. No scaling is supported in this mode. Exmaple:
263
264	@@RXVT_NAME@@ -pixmap background.xpm -pe automove-background
265
266	=item block-graphics-to-ascii
267
268	A not very useful example of filtering all text output to the terminal,
269	by replacing all line-drawing characters (U+2500 .. U+259F) by a
270	similar-looking ascii character.
271
272	=item digital-clock
273
274	Displays a digital clock using the built-in overlay.
275
276	=item remote-clipboard
277
278	Somewhat of a misnomer, this extension adds two menu entries to the
279	selection popup that allows one ti run external commands to store the
280	selection somewhere and fetch it again.
281
282	We use it to implement a "distributed selection mechanism", which just
283	means that one command uploads the file to a remote server, and another
284	reads it.
285
286	The commands can be set using the C<URxvt.remote-selection.store> and
287	C<URxvt.remote-selection.fetch> resources. The first should read the
288	selection to store from STDIN (always in UTF-8), the second should provide
289	the selection data on STDOUT (also in UTF-8).
290
291	The defaults (which are likely useless to you) use rsh and cat:
292
293	URxvt.remote-selection.store: rsh ruth 'cat >/tmp/distributed-selection'
294	URxvt.remote-selection.fetch: rsh ruth 'cat /tmp/distributed-selection'
295
296	=item selection-pastebin
297
298	This is a little rarely useful extension that Uploads the selection as
299	textfile to a remote site (or does other things). (The implementation is
300	not currently secure for use in a multiuser environment as it writes to
301	F</tmp> directly.).
302
303	It listens to the C<selection-pastebin:remote-pastebin> keyboard command,
304	i.e.
305
306	URxvt.keysym.C-M-e: perl:selection-pastebin:remote-pastebin
307
308	Pressing this combination runs a command with C<%> replaced by the name of
309	the textfile. This command can be set via a resource:
310
311	URxvt.selection-pastebin.cmd: rsync -apP % ruth:/var/www/www.ta-sa.org/files/txt/.
312
313	And the default is likely not useful to anybody but the few people around
314	here :)
315
316	The name of the textfile is the hex encoded md5 sum of the selection, so
317	the same content should lead to the same filename.
318
319	After a successful upload the selection will be replaced by the text given
320	in the C<selection-pastebin-url> resource (again, the % is the placeholder
321	for the filename):
322
323	URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/%
324
325	=item example-refresh-hooks
326
327	Displays a very simple digital clock in the upper right corner of the
328	window. Illustrates overwriting the refresh callbacks to create your own
329	overlays or changes.
330
331	=back
332		50
333	=head1 API DOCUMENTATION	51	=head1 API DOCUMENTATION
334		52
335	=head2 General API Considerations	53	=head2 General API Considerations
336		54
…		…
350		68
351	=over 4	69	=over 4
352		70
353	=item $text	71	=item $text
354		72
355	Rxvt-unicodes special way of encoding text, where one "unicode" character	73	Rxvt-unicode's special way of encoding text, where one "unicode" character
356	always represents one screen cell. See L<ROW_t> for a discussion of this format.	74	always represents one screen cell. See L<ROW_t> for a discussion of this format.
357		75
358	=item $string	76	=item $string
359		77
360	A perl text string, with an emphasis on I<text>. It can store all unicode	78	A perl text string, with an emphasis on I<text>. It can store all unicode
…		…
364	=item $octets	82	=item $octets
365		83
366	Either binary data or - more common - a text string encoded in a	84	Either binary data or - more common - a text string encoded in a
367	locale-specific way.	85	locale-specific way.
368		86
		87	=item $keysym
		88
		89	an integer that is a valid X11 keysym code. You can convert a string
		90	into a keysym and viceversa by using C<XStringToKeysym> and
		91	C<XKeysymToString>.
		92
369	=back	93	=back
370		94
371	=head2 Extension Objects	95	=head2 Extension Objects
372		96
373	Very perl extension is a perl class. A separate perl object is created	97	Every perl extension is a perl class. A separate perl object is created
374	for each terminal and each extension and passed as the first parameter to	98	for each terminal, and each terminal has its own set of extension objects,
375	hooks. So extensions can use their C<$self> object without having to think	99	which are passed as the first parameter to hooks. So extensions can use
376	about other extensions, with the exception of methods and members that	100	their C<$self> object without having to think about clashes with other
		101	extensions or other terminals, with the exception of methods and members
377	begin with an underscore character C<_>: these are reserved for internal	102	that begin with an underscore character C<_>: these are reserved for
378	use.	103	internal use.
379		104
380	Although it isn't a C<urxvt::term> object, you can call all methods of the	105	Although it isn't a C<urxvt::term> object, you can call all methods of the
381	C<urxvt::term> class on this object.	106	C<urxvt::term> class on this object.
382		107
383	It has the following methods and data members:	108	Additional methods only supported for extension objects are described in
384		109	the C<urxvt::extension> section below.
385	=over 4
386
387	=item $urxvt_term = $self->{term}
388
389	Returns the C<urxvt::term> object associated with this instance of the
390	extension. This member I<must not> be changed in any way.
391
392	=item $self->enable ($hook_name => $cb, [$hook_name => $cb..])
393
394	Dynamically enable the given hooks (named without the C<on_> prefix) for
395	this extension, replacing any previous hook. This is useful when you want
396	to overwrite time-critical hooks only temporarily.
397
398	=item $self->disable ($hook_name[, $hook_name..])
399
400	Dynamically disable the given hooks.
401
402	=back
403		110
404	=head2 Hooks	111	=head2 Hooks
405		112
406	The following subroutines can be declared in extension files, and will be	113	The following subroutines can be declared in extension files, and will be
407	called whenever the relevant event happens.	114	called whenever the relevant event happens.
408		115
409	The first argument passed to them is an extension oject as described in	116	The first argument passed to them is an extension object as described in
410	the in the C<Extension Objects> section.	117	the in the C<Extension Objects> section.
411		118
412	B<All> of these hooks must return a boolean value. If any of the called	119	B<All> of these hooks must return a boolean value. If any of the called
413	hooks returns true, then the event counts as being I<consumed>, and the	120	hooks returns true, then the event counts as being I<consumed>, and the
414	relevant action might not be carried out by the C++ code.	121	relevant action might not be carried out by the C++ code.
…		…
427	place.	134	place.
428		135
429	=item on_start $term	136	=item on_start $term
430		137
431	Called at the very end of initialisation of a new terminal, just before	138	Called at the very end of initialisation of a new terminal, just before
432	trying to map (display) the toplevel and returning to the mainloop.	139	trying to map (display) the toplevel and returning to the main loop.
433		140
434	=item on_destroy $term	141	=item on_destroy $term
435		142
436	Called whenever something tries to destroy terminal, when the terminal is	143	Called whenever something tries to destroy terminal, when the terminal is
437	still fully functional (not for long, though).	144	still fully functional (not for long, though).
…		…
464		171
465	Called whenever a selection has been copied, but before the selection is	172	Called whenever a selection has been copied, but before the selection is
466	requested from the server. The selection text can be queried and changed	173	requested from the server. The selection text can be queried and changed
467	by calling C<< $term->selection >>.	174	by calling C<< $term->selection >>.
468		175
469	Returning a true value aborts selection grabbing. It will still be hilighted.	176	Returning a true value aborts selection grabbing. It will still be highlighted.
470		177
471	=item on_sel_extend $term	178	=item on_sel_extend $term
472		179
473	Called whenever the user tries to extend the selection (e.g. with a double	180	Called whenever the user tries to extend the selection (e.g. with a double
474	click) and is either supposed to return false (normal operation), or	181	click) and is either supposed to return false (normal operation), or
475	should extend the selection itelf and return true to suppress the built-in	182	should extend the selection itself and return true to suppress the built-in
476	processing. This can happen multiple times, as long as the callback	183	processing. This can happen multiple times, as long as the callback
477	returns true, it will be called on every further click by the user and is	184	returns true, it will be called on every further click by the user and is
478	supposed to enlarge the selection more and more, if possible.	185	supposed to enlarge the selection more and more, if possible.
479		186
480	See the F<selection> example extension.	187	See the F<selection> example extension.
481		188
482	=item on_view_change $term, $offset	189	=item on_view_change $term, $offset
483		190
484	Called whenever the view offset changes, i..e the user or program	191	Called whenever the view offset changes, i.e. the user or program
485	scrolls. Offset C<0> means display the normal terminal, positive values	192	scrolls. Offset C<0> means display the normal terminal, positive values
486	show this many lines of scrollback.	193	show this many lines of scrollback.
487		194
488	=item on_scroll_back $term, $lines, $saved	195	=item on_scroll_back $term, $lines, $saved
489		196
…		…
493		200
494	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,	201	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,
495	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total	202	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total
496	number of lines that will be in the scrollback buffer.	203	number of lines that will be in the scrollback buffer.
497		204
498	=item on_osc_seq $term, $string	205	=item on_osc_seq $term, $op, $args, $resp
		206
		207	Called on every OSC sequence and can be used to suppress it or modify its
		208	behaviour. The default should be to return an empty list. A true value
		209	suppresses execution of the request completely. Make sure you don't get
		210	confused by recursive invocations when you output an OSC sequence within
		211	this callback.
		212
		213	C<on_osc_seq_perl> should be used for new behaviour.
		214
		215	=item on_osc_seq_perl $term, $args, $resp
499		216
500	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =	217	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
501	operating system command) is processed. Cursor position and other state	218	operating system command) is processed. Cursor position and other state
502	information is up-to-date when this happens. For interoperability, the	219	information is up-to-date when this happens. For interoperability, the
503	string should start with the extension name and a colon, to distinguish	220	string should start with the extension name (sans -osc) and a semicolon,
504	it from commands for other extensions, and this might be enforced in the	221	to distinguish it from commands for other extensions, and this might be
505	future.	222	enforced in the future.
		223
		224	For example, C<overlay-osc> uses this:
		225
		226	sub on_osc_seq_perl {
		227	my ($self, $osc, $resp) = @_;
		228
		229	return unless $osc =~ s/^overlay;//;
		230
		231	... process remaining $osc string
		232	}
506		233
507	Be careful not ever to trust (in a security sense) the data you receive,	234	Be careful not ever to trust (in a security sense) the data you receive,
508	as its source can not easily be controleld (e-mail content, messages from	235	as its source can not easily be controlled (e-mail content, messages from
509	other users on the same system etc.).	236	other users on the same system etc.).
		237
		238	For responses, C<$resp> contains the end-of-args separator used by the
		239	sender.
510		240
511	=item on_add_lines $term, $string	241	=item on_add_lines $term, $string
512		242
513	Called whenever text is about to be output, with the text as argument. You	243	Called whenever text is about to be output, with the text as argument. You
514	can filter/change and output the text yourself by returning a true value	244	can filter/change and output the text yourself by returning a true value
…		…
519	=item on_tt_write $term, $octets	249	=item on_tt_write $term, $octets
520		250
521	Called whenever some data is written to the tty/pty and can be used to	251	Called whenever some data is written to the tty/pty and can be used to
522	suppress or filter tty input.	252	suppress or filter tty input.
523		253
		254	=item on_tt_paste $term, $octets
		255
		256	Called whenever text is about to be pasted, with the text as argument. You
		257	can filter/change and paste the text yourself by returning a true value
		258	and calling C<< $term->tt_paste >> yourself. C<$octets> is
		259	locale-encoded.
		260
524	=item on_line_update $term, $row	261	=item on_line_update $term, $row
525		262
526	Called whenever a line was updated or changed. Can be used to filter	263	Called whenever a line was updated or changed. Can be used to filter
527	screen output (e.g. underline urls or other useless stuff). Only lines	264	screen output (e.g. underline urls or other useless stuff). Only lines
528	that are being shown will be filtered, and, due to performance reasons,	265	that are being shown will be filtered, and, due to performance reasons,
…		…
535	later with the already-modified line (e.g. if unrelated parts change), so	272	later with the already-modified line (e.g. if unrelated parts change), so
536	you cannot just toggle rendition bits, but only set them.	273	you cannot just toggle rendition bits, but only set them.
537		274
538	=item on_refresh_begin $term	275	=item on_refresh_begin $term
539		276
540	Called just before the screen gets redrawn. Can be used for overlay	277	Called just before the screen gets redrawn. Can be used for overlay or
541	or similar effects by modify terminal contents in refresh_begin, and	278	similar effects by modifying the terminal contents in refresh_begin, and
542	restoring them in refresh_end. The built-in overlay and selection display	279	restoring them in refresh_end. The built-in overlay and selection display
543	code is run after this hook, and takes precedence.	280	code is run after this hook, and takes precedence.
544		281
545	=item on_refresh_end $term	282	=item on_refresh_end $term
546		283
547	Called just after the screen gets redrawn. See C<on_refresh_begin>.	284	Called just after the screen gets redrawn. See C<on_refresh_begin>.
548		285
549	=item on_user_command $term, $string	286	=item on_user_command $term, $string *DEPRECATED*
550		287
551	Called whenever the a user-configured event is being activated (e.g. via	288	Called whenever a user-configured event is being activated (e.g. via
552	a C<perl:string> action bound to a key, see description of the B<keysym>	289	a C<perl:string> action bound to a key, see description of the B<keysym>
553	resource in the @@RXVT_NAME@@(1) manpage).	290	resource in the urxvt(1) manpage).
554		291
555	The event is simply the action string. This interface is assumed to change	292	The event is simply the action string. This interface is going away in
556	slightly in the future.	293	preference to the C<< ->register_keysym_action >> method.
		294
		295	=item on_resize_all_windows $term, $new_width, $new_height
		296
		297	Called just after the new window size has been calculated, but before
		298	windows are actually being resized or hints are being set. If this hook
		299	returns a true value, setting of the window hints is being skipped.
557		300
558	=item on_x_event $term, $event	301	=item on_x_event $term, $event
559		302
560	Called on every X event received on the vt window (and possibly other	303	Called on every X event received on the vt window (and possibly other
561	windows). Should only be used as a last resort. Most event structure	304	windows). Should only be used as a last resort. Most event structure
562	members are not passed.	305	members are not passed.
563		306
		307	=item on_root_event $term, $event
		308
		309	Like C<on_x_event>, but is called for events on the root window.
		310
564	=item on_focus_in $term	311	=item on_focus_in $term
565		312
566	Called whenever the window gets the keyboard focus, before rxvt-unicode	313	Called whenever the window gets the keyboard focus, before rxvt-unicode
567	does focus in processing.	314	does focus in processing.
568		315
569	=item on_focus_out $term	316	=item on_focus_out $term
570		317
571	Called wheneever the window loses keyboard focus, before rxvt-unicode does	318	Called whenever the window loses keyboard focus, before rxvt-unicode does
572	focus out processing.	319	focus out processing.
573		320
574	=item on_configure_notify $term, $event	321	=item on_configure_notify $term, $event
575		322
576	=item on_property_notify $term, $event	323	=item on_property_notify $term, $event
…		…
587		334
588	=item on_map_notify $term, $event	335	=item on_map_notify $term, $event
589		336
590	=item on_unmap_notify $term, $event	337	=item on_unmap_notify $term, $event
591		338
592	Called whenever the corresponding X event is received for the terminal If	339	Called whenever the corresponding X event is received for the terminal. If
593	the hook returns true, then the even will be ignored by rxvt-unicode.	340	the hook returns true, then the event will be ignored by rxvt-unicode.
594		341
595	The event is a hash with most values as named by Xlib (see the XEvent	342	The event is a hash with most values as named by Xlib (see the XEvent
596	manpage), with the additional members C<row> and C<col>, which are the	343	manpage), with the additional members C<row> and C<col>, which are the
597	(real, not screen-based) row and column under the mouse cursor.	344	(real, not screen-based) row and column under the mouse cursor.
598		345
599	C<on_key_press> additionally receives the string rxvt-unicode would	346	C<on_key_press> additionally receives the string rxvt-unicode would
600	output, if any, in locale-specific encoding.	347	output, if any, in locale-specific encoding.
601		348
602	subwindow.
603
604	=item on_client_message $term, $event	349	=item on_client_message $term, $event
605		350
606	=item on_wm_protocols $term, $event	351	=item on_wm_protocols $term, $event
607		352
608	=item on_wm_delete_window $term, $event	353	=item on_wm_delete_window $term, $event
609		354
610	Called when various types of ClientMessage events are received (all with	355	Called when various types of ClientMessage events are received (all with
611	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).	356	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
612		357
		358	=item on_bell $term
		359
		360	Called on receipt of a bell character.
		361
613	=back	362	=back
614		363
615	=cut	364	=cut
616		365
617	package urxvt;	366	package urxvt;
618		367
619	use utf8;	368	use utf8;
620	use strict;	369	use strict 'vars';
621	use Carp ();	370	use Carp ();
622	use Scalar::Util ();	371	use Scalar::Util ();
623	use List::Util ();	372	use List::Util ();
624		373
625	our $VERSION = 1;	374	our $VERSION = 1;
626	our $TERM;	375	our $TERM;
627	our @TERM_INIT;	376	our @TERM_INIT; # should go, prevents async I/O etc.
628	our @TERM_EXT;	377	our @TERM_EXT; # should go, prevents async I/O etc.
629	our @HOOKNAME;	378	our @HOOKNAME;
630	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;	379	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
631	our %OPTION;	380	our %OPTION;
632		381
633	our $LIBDIR;	382	our $LIBDIR;
…		…
659	The current terminal. This variable stores the current C<urxvt::term>	408	The current terminal. This variable stores the current C<urxvt::term>
660	object, whenever a callback/hook is executing.	409	object, whenever a callback/hook is executing.
661		410
662	=item @urxvt::TERM_INIT	411	=item @urxvt::TERM_INIT
663		412
664	All coderefs in this array will be called as methods of the next newly	413	All code references in this array will be called as methods of the next newly
665	created C<urxvt::term> object (during the C<on_init> phase). The array	414	created C<urxvt::term> object (during the C<on_init> phase). The array
666	gets cleared before the codereferences that were in it are being executed,	415	gets cleared before the code references that were in it are being executed,
667	so coderefs can push themselves onto it again if they so desire.	416	so references can push themselves onto it again if they so desire.
668		417
669	This complements to the perl-eval commandline option, but gets executed	418	This complements to the perl-eval command line option, but gets executed
670	first.	419	first.
671		420
672	=item @urxvt::TERM_EXT	421	=item @urxvt::TERM_EXT
673		422
674	Works similar to C<@TERM_INIT>, but contains perl package/class names, which	423	Works similar to C<@TERM_INIT>, but contains perl package/class names, which
…		…
681		430
682	=over 4	431	=over 4
683		432
684	=item urxvt::fatal $errormessage	433	=item urxvt::fatal $errormessage
685		434
686	Fatally aborts execution with the given error message. Avoid at all	435	Fatally aborts execution with the given error message (which should
687	costs! The only time this is acceptable is when the terminal process	436	include a trailing newline). Avoid at all costs! The only time this
688	starts up.	437	is acceptable (and useful) is in the init hook, where it prevents the
		438	terminal from starting up.
689		439
690	=item urxvt::warn $string	440	=item urxvt::warn $string
691		441
692	Calls C<rxvt_warn> with the given string which should not include a	442	Calls C<rxvt_warn> with the given string which should include a trailing
693	newline. The module also overwrites the C<warn> builtin with a function	443	newline. The module also overwrites the C<warn> builtin with a function
694	that calls this function.	444	that calls this function.
695		445
696	Using this function has the advantage that its output ends up in the	446	Using this function has the advantage that its output ends up in the
697	correct place, e.g. on stderr of the connecting urxvtc client.	447	correct place, e.g. on stderr of the connecting urxvtc client.
…		…
699	Messages have a size limit of 1023 bytes currently.	449	Messages have a size limit of 1023 bytes currently.
700		450
701	=item @terms = urxvt::termlist	451	=item @terms = urxvt::termlist
702		452
703	Returns all urxvt::term objects that exist in this process, regardless of	453	Returns all urxvt::term objects that exist in this process, regardless of
704	wether they are started, being destroyed etc., so be careful. Only term	454	whether they are started, being destroyed etc., so be careful. Only term
705	objects that have perl extensions attached will be returned (because there	455	objects that have perl extensions attached will be returned (because there
706	is no urxvt::term objet associated with others).	456	is no urxvt::term object associated with others).
707		457
708	=item $time = urxvt::NOW	458	=item $time = urxvt::NOW
709		459
710	Returns the "current time" (as per the event loop).	460	Returns the "current time" (as per the event loop).
711		461
…		…
754		504
755	=item $rend = urxvt::OVERLAY_RSTYLE	505	=item $rend = urxvt::OVERLAY_RSTYLE
756		506
757	Return the rendition mask used for overlays by default.	507	Return the rendition mask used for overlays by default.
758		508
759	=item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline	509	=item $rendbit = urxvt::RS_Bold, urxvt::RS_Italic, urxvt::RS_Blink,
		510	urxvt::RS_RVid, urxvt::RS_Uline
760		511
761	Return the bit that enabled bold, italic, blink, reverse-video and	512	Return the bit that enabled bold, italic, blink, reverse-video and
762	underline, respectively. To enable such a style, just logically OR it into	513	underline, respectively. To enable such a style, just logically OR it into
763	the bitset.	514	the bitset.
764		515
…		…
801	};	552	};
802	}	553	}
803		554
804	no warnings 'utf8';	555	no warnings 'utf8';
805		556
		557	sub parse_resource {
		558	my ($term, $name, $isarg, $longopt, $flag, $value) = @_;
		559
		560	$name =~ y/-/./ if $isarg;
		561
		562	$term->scan_meta;
		563
		564	my $r = $term->{meta}{resource};
		565	keys %$r; # reset iterator
		566	while (my ($pattern, $v) = each %$r) {
		567	if (
		568	$pattern =~ /\.$/
		569	? $pattern eq substr $name, 0, length $pattern
		570	: $pattern eq $name
		571	) {
		572	$name = "$urxvt::RESCLASS.$name";
		573
		574	push @{ $term->{perl_ext_3} }, $v->[0];
		575
		576	if ($v->[1] eq "boolean") {
		577	$term->put_option_db ($name, $flag ? "true" : "false");
		578	return 1;
		579	} else {
		580	$term->put_option_db ($name, $value);
		581	return 1 + 2;
		582	}
		583	}
		584	}
		585
		586	0
		587	}
		588
		589	sub usage {
		590	my ($term, $usage_type) = @_;
		591
		592	$term->scan_meta;
		593
		594	my $r = $term->{meta}{resource};
		595
		596	for my $pattern (sort keys %$r) {
		597	my ($ext, $type, $desc) = @{ $r->{$pattern} };
		598
		599	$desc .= " (-pe $ext)";
		600
		601	if ($usage_type == 1) {
		602	$pattern =~ y/./-/;
		603	$pattern =~ s/-$/-.../g;
		604
		605	if ($type eq "boolean") {
		606	urxvt::log sprintf " -%-30s %s\n", "/+$pattern", $desc;
		607	} else {
		608	urxvt::log sprintf " -%-30s %s\n", "$pattern $type", $desc;
		609	}
		610	} else {
		611	$pattern =~ s/\.$/.*/g;
		612	urxvt::log sprintf " %-31s %s\n", "$pattern:", $type;
		613	}
		614	}
		615	}
		616
806	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};	617	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
807		618
808	sub verbose {	619	sub verbose {
809	my ($level, $msg) = @_;	620	my ($level, $msg) = @_;
810	warn "$msg\n" if $level <= $verbosity;	621	warn "$msg\n" if $level <= $verbosity;
…		…
822	$pkg =~ s/[^[:word:]]/_/g;	633	$pkg =~ s/[^[:word:]]/_/g;
823	$pkg = "urxvt::ext::$pkg";	634	$pkg = "urxvt::ext::$pkg";
824		635
825	verbose 3, "loading extension '$path' into package '$pkg'";	636	verbose 3, "loading extension '$path' into package '$pkg'";
826		637
		638	(${"$pkg\::_NAME"} = $path) =~ s/^.*[\\\/]//; # hackish
		639
827	open my $fh, "<:raw", $path	640	open my $fh, "<:raw", $path
828	or die "$path: $!";	641	or die "$path: $!";
829		642
830	my $source =	643	my $source =
831	"package $pkg; use strict; use utf8; no warnings 'utf8';\n"	644	"package $pkg; use strict 'vars'; use utf8; no warnings 'utf8';\n"
832	. "#line 1 \"$path\"\n{\n"	645	. "#line 1 \"$path\"\n{\n"
833	. (do { local $/; <$fh> })	646	. (do { local $/; <$fh> })
834	. "\n};\n1";	647	. "\n};\n1";
835		648
836	eval $source	649	eval $source
…		…
845	# called by the rxvt core	658	# called by the rxvt core
846	sub invoke {	659	sub invoke {
847	local $TERM = shift;	660	local $TERM = shift;
848	my $htype = shift;	661	my $htype = shift;
849		662
850	if ($htype == 0) { # INIT	663	if ($htype == HOOK_INIT) {
851	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");	664	my @dirs = $TERM->perl_libdirs;
852		665
853	my %ext_arg;	666	my %ext_arg;
854		667
855	{	668	{
856	my @init = @TERM_INIT;	669	my @init = @TERM_INIT;
857	@TERM_INIT = ();	670	@TERM_INIT = ();
…		…
859	my @pkg = @TERM_EXT;	672	my @pkg = @TERM_EXT;
860	@TERM_EXT = ();	673	@TERM_EXT = ();
861	$TERM->register_package ($_) for @pkg;	674	$TERM->register_package ($_) for @pkg;
862	}	675	}
863		676
		677	for (
		678	@{ delete $TERM->{perl_ext_3} },
864	for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {	679	grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2
		680	) {
865	if ($_ eq "default") {	681	if ($_ eq "default") {
866	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline);	682	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline);
867	} elsif (/^-(.*)$/) {	683	} elsif (/^-(.*)$/) {
868	delete $ext_arg{$1};	684	delete $ext_arg{$1};
869	} elsif (/^([^<]+)<(.*)>$/) {	685	} elsif (/^([^<]+)<(.*)>$/) {
…		…
891		707
892	if (my $cb = $TERM->{_hook}[$htype]) {	708	if (my $cb = $TERM->{_hook}[$htype]) {
893	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"	709	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
894	if $verbosity >= 10;	710	if $verbosity >= 10;
895		711
		712	for my $pkg (
		713	# this hook is only sent to the extension with the name
		714	# matching the first arg
		715	$htype == HOOK_KEYBOARD_DISPATCH
		716	? exists $cb->{"urxvt::ext::$_[0]"} ? "urxvt::ext::" . shift : return undef
896	keys %$cb;	717	: keys %$cb
897		718	) {
898	while (my ($pkg, $cb) = each %$cb) {
899	my $retval_ = eval { $cb->($TERM->{_pkg}{$pkg}, @_) };	719	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg} || $TERM, @_) };
900	$retval ||= $retval_;	720	$retval ||= $retval_;
901		721
902	if ($@) {	722	if ($@) {
903	$TERM->ungrab; # better to lose the grab than the session	723	$TERM->ungrab; # better to lose the grab than the session
904	warn $@;	724	warn $@;
…		…
907		727
908	verbose 11, "$HOOKNAME[$htype] returning <$retval>"	728	verbose 11, "$HOOKNAME[$htype] returning <$retval>"
909	if $verbosity >= 11;	729	if $verbosity >= 11;
910	}	730	}
911		731
912	if ($htype == 1) { # DESTROY	732	if ($htype == HOOK_DESTROY) {
913	# clear package objects	733	# clear package objects
914	%$_ = () for values %{ $TERM->{_pkg} };	734	%$_ = () for values %{ $TERM->{_pkg} };
915		735
916	# clear package	736	# clear package
917	%$TERM = ();	737	%$TERM = ();
…		…
922		742
923	sub SET_COLOR($$$) {	743	sub SET_COLOR($$$) {
924	SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])	744	SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
925	}	745	}
926		746
927	# urxvt::term::extension	747	sub rend2mask {
		748	no strict 'refs';
		749	my ($str, $mask) = (@_, 0);
		750	my %color = ( fg => undef, bg => undef );
		751	my @failed;
		752	for my $spec ( split /\s+/, $str ) {
		753	if ( $spec =~ /^([fb]g)[_:-]?(\d+)/i ) {
		754	$color{lc($1)} = $2;
		755	} else {
		756	my $neg = $spec =~ s/^[-^]//;
		757	unless ( exists &{"RS_$spec"} ) {
		758	push @failed, $spec;
		759	next;
		760	}
		761	my $cur = &{"RS_$spec"};
		762	if ( $neg ) {
		763	$mask &= ~$cur;
		764	} else {
		765	$mask |= $cur;
		766	}
		767	}
		768	}
		769	($mask, @color{qw(fg bg)}, \@failed)
		770	}
928		771
929	package urxvt::term::extension;	772	package urxvt::term::extension;
930		773
931	sub enable {	774	=head2 The C<urxvt::term::extension> class
932	my ($self, %hook) = @_;
933	my $pkg = $self->{_pkg};
934		775
935	while (my ($name, $cb) = each %hook) {	776	Each extension attached to a terminal object is represented by
936	my $htype = $HOOKTYPE{uc $name};	777	a C<urxvt::term::extension> object.
937	defined $htype
938	or Carp::croak "unsupported hook type '$name'";
939		778
940	$self->set_should_invoke ($htype, +1)	779	You can use these objects, which are passed to all callbacks to store any
941	unless exists $self->{term}{_hook}[$htype]{$pkg};	780	state related to the terminal and extension instance.
942		781
943	$self->{term}{_hook}[$htype]{$pkg} = $cb;	782	The methods (And data members) documented below can be called on extension
944	}	783	objects, in addition to call methods documented for the <urxvt::term>
945	}	784	class.
946		785
947	sub disable {	786	=over 4
948	my ($self, @hook) = @_;
949	my $pkg = $self->{_pkg};
950		787
951	for my $name (@hook) {	788	=item $urxvt_term = $self->{term}
952	my $htype = $HOOKTYPE{uc $name};
953	defined $htype
954	or Carp::croak "unsupported hook type '$name'";
955		789
956	$self->set_should_invoke ($htype, -1)	790	Returns the C<urxvt::term> object associated with this instance of the
957	if delete $self->{term}{_hook}[$htype]{$pkg};	791	extension. This member I<must not> be changed in any way.
958	}	792
959	}	793	=cut
960		794
961	our $AUTOLOAD;	795	our $AUTOLOAD;
962		796
963	sub AUTOLOAD {	797	sub AUTOLOAD {
964	$AUTOLOAD =~ /:([^:]+)$/	798	$AUTOLOAD =~ /:([^:]+)$/
…		…
977		811
978	sub DESTROY {	812	sub DESTROY {
979	# nop	813	# nop
980	}	814	}
981		815
982	# urxvt::destroy_hook	816	# urxvt::destroy_hook (basically a cheap Guard:: implementation)
983		817
984	sub urxvt::destroy_hook::DESTROY {	818	sub urxvt::destroy_hook::DESTROY {
985	${$_[0]}->();	819	${$_[0]}->();
986	}	820	}
987		821
988	sub urxvt::destroy_hook(&) {	822	sub urxvt::destroy_hook(&) {
989	bless \shift, urxvt::destroy_hook::	823	bless \shift, urxvt::destroy_hook::
990	}	824	}
		825
		826	=item $self->enable ($hook_name => $cb[, $hook_name => $cb..])
		827
		828	Dynamically enable the given hooks (named without the C<on_> prefix) for
		829	this extension, replacing any hook previously installed via C<enable> in
		830	this extension.
		831
		832	This is useful when you want to overwrite time-critical hooks only
		833	temporarily.
		834
		835	To install additional callbacks for the same hook, you can use the C<on>
		836	method of the C<urxvt::term> class.
		837
		838	=item $self->disable ($hook_name[, $hook_name..])
		839
		840	Dynamically disable the given hooks.
		841
		842	=cut
		843
		844	sub enable {
		845	my ($self, %hook) = @_;
		846	my $pkg = $self->{_pkg};
		847
		848	while (my ($name, $cb) = each %hook) {
		849	my $htype = $HOOKTYPE{uc $name};
		850	defined $htype
		851	or Carp::croak "unsupported hook type '$name'";
		852
		853	$self->set_should_invoke ($htype, +1)
		854	unless exists $self->{term}{_hook}[$htype]{$pkg};
		855
		856	$self->{term}{_hook}[$htype]{$pkg} = $cb;
		857	}
		858	}
		859
		860	sub disable {
		861	my ($self, @hook) = @_;
		862	my $pkg = $self->{_pkg};
		863
		864	for my $name (@hook) {
		865	my $htype = $HOOKTYPE{uc $name};
		866	defined $htype
		867	or Carp::croak "unsupported hook type '$name'";
		868
		869	$self->set_should_invoke ($htype, -1)
		870	if delete $self->{term}{_hook}[$htype]{$pkg};
		871	}
		872	}
		873
		874	=item $guard = $self->on ($hook_name => $cb[, $hook_name => $cb..])
		875
		876	Similar to the C<enable> enable, but installs additional callbacks for
		877	the given hook(s) (that is, it doesn't replace existing callbacks), and
		878	returns a guard object. When the guard object is destroyed the callbacks
		879	are disabled again.
		880
		881	=cut
		882
		883	sub urxvt::extension::on_disable::DESTROY {
		884	my $disable = shift;
		885
		886	my $term = delete $disable->{""};
		887
		888	while (my ($htype, $id) = each %$disable) {
		889	delete $term->{_hook}[$htype]{$id};
		890	$term->set_should_invoke ($htype, -1);
		891	}
		892	}
		893
		894	sub on {
		895	my ($self, %hook) = @_;
		896
		897	my $term = $self->{term};
		898
		899	my %disable = ( "" => $term );
		900
		901	while (my ($name, $cb) = each %hook) {
		902	my $htype = $HOOKTYPE{uc $name};
		903	defined $htype
		904	or Carp::croak "unsupported hook type '$name'";
		905
		906	$term->set_should_invoke ($htype, +1);
		907	$term->{_hook}[$htype]{ $disable{$htype} = $cb+0 }
		908	= sub { shift; $cb->($self, @_) }; # very ugly indeed
		909	}
		910
		911	bless \%disable, "urxvt::extension::on_disable"
		912	}
		913
		914	=item $self->x_resource ($pattern)
		915
		916	=item $self->x_resource_boolean ($pattern)
		917
		918	These methods support an additional C<%> prefix when called on an
		919	extension object - see the description of these methods in the
		920	C<urxvt::term> class for details.
		921
		922	=cut
		923
		924	sub x_resource {
		925	my ($self, $name) = @_;
		926	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		927	$self->{term}->x_resource ($name)
		928	}
		929
		930	sub x_resource_boolean {
		931	my ($self, $name) = @_;
		932	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		933	$self->{term}->x_resource_boolean ($name)
		934	}
		935
		936	=back
		937
		938	=cut
991		939
992	package urxvt::anyevent;	940	package urxvt::anyevent;
993		941
994	=head2 The C<urxvt::anyevent> Class	942	=head2 The C<urxvt::anyevent> Class
995		943
996	The sole purpose of this class is to deliver an interface to the	944	The sole purpose of this class is to deliver an interface to the
997	C<AnyEvent> module - any module using it will work inside urxvt without	945	C<AnyEvent> module - any module using it will work inside urxvt without
998	further programming. The only exception is that you cannot wait on	946	further programming. The only exception is that you cannot wait on
999	condition variables, but non-blocking condvar use is ok. What this means	947	condition variables, but non-blocking condvar use is ok.
1000	is that you cannot use blocking APIs, but the non-blocking variant should
1001	work.
1002		948
1003	=cut	949	In practical terms this means is that you cannot use blocking APIs, but
		950	the non-blocking variant should work.
1004		951
		952	=cut
		953
1005	our $VERSION = 1;	954	our $VERSION = '5.23';
1006		955
1007	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there	956	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
1008	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];	957	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
1009		958
1010	sub timer {	959	sub timer {
…		…
1012		961
1013	my $cb = $arg{cb};	962	my $cb = $arg{cb};
1014		963
1015	urxvt::timer	964	urxvt::timer
1016	->new	965	->new
1017	->start (urxvt::NOW + $arg{after})	966	->after ($arg{after}, $arg{interval})
1018	->cb (sub {	967	->cb ($arg{interval} ? $cb : sub {
1019	$_[0]->stop; # need to cancel manually	968	$_[0]->stop; # need to cancel manually
1020	$cb->();	969	$cb->();
1021	})	970	})
1022	}	971	}
1023		972
1024	sub io {	973	sub io {
1025	my ($class, %arg) = @_;	974	my ($class, %arg) = @_;
1026		975
1027	my $cb = $arg{cb};	976	my $cb = $arg{cb};
		977	my $fd = fileno $arg{fh};
		978	defined $fd or $fd = $arg{fh};
1028		979
1029	bless [$arg{fh}, urxvt::iow	980	bless [$arg{fh}, urxvt::iow
1030	->new	981	->new
1031	->fd (fileno $arg{fh})	982	->fd ($fd)
1032	->events (($arg{poll} =~ /r/ ? 1 : 0)	983	->events (($arg{poll} =~ /r/ ? 1 : 0)
1033	| ($arg{poll} =~ /w/ ? 2 : 0))	984	| ($arg{poll} =~ /w/ ? 2 : 0))
1034	->start	985	->start
1035	->cb (sub {	986	->cb ($cb)
1036	$cb->(($_[1] & 1 ? 'r' : '')
1037	. ($_[1] & 2 ? 'w' : ''));
1038	})],
1039	urxvt::anyevent::	987	], urxvt::anyevent::
		988	}
		989
		990	sub idle {
		991	my ($class, %arg) = @_;
		992
		993	my $cb = $arg{cb};
		994
		995	urxvt::iw
		996	->new
		997	->start
		998	->cb ($cb)
		999	}
		1000
		1001	sub child {
		1002	my ($class, %arg) = @_;
		1003
		1004	my $cb = $arg{cb};
		1005
		1006	urxvt::pw
		1007	->new
		1008	->start ($arg{pid})
		1009	->cb (sub {
		1010	$_[0]->stop; # need to cancel manually
		1011	$cb->($_[0]->rpid, $_[0]->rstatus);
		1012	})
1040	}	1013	}
1041		1014
1042	sub DESTROY {	1015	sub DESTROY {
1043	$_[0][1]->stop;	1016	$_[0][1]->stop;
1044	}	1017	}
1045		1018
1046	sub condvar {	1019	# only needed for AnyEvent < 6 compatibility
1047	bless \my $flag, urxvt::anyevent::condvar::	1020	sub one_event {
1048	}
1049
1050	sub urxvt::anyevent::condvar::broadcast {
1051	${$_[0]}++;
1052	}
1053
1054	sub urxvt::anyevent::condvar::wait {
1055	unless (${$_[0]}) {
1056	Carp::croak "AnyEvent->condvar blocking wait unsupported in urxvt, use a non-blocking API";	1021	Carp::croak "AnyEvent->one_event blocking wait unsupported in urxvt, use a non-blocking API";
1057	}
1058	}	1022	}
1059		1023
1060	package urxvt::term;	1024	package urxvt::term;
1061		1025
1062	=head2 The C<urxvt::term> Class	1026	=head2 The C<urxvt::term> Class
…		…
1075	urxvt::verbose 6, "register package $pkg to $self";	1039	urxvt::verbose 6, "register package $pkg to $self";
1076		1040
1077	@{"$pkg\::ISA"} = urxvt::term::extension::;	1041	@{"$pkg\::ISA"} = urxvt::term::extension::;
1078		1042
1079	my $proxy = bless {	1043	my $proxy = bless {
1080	_pkg => $pkg,	1044	_pkg => $pkg,
		1045	_name => ${"$pkg\::_NAME"}, # hackish
1081	argv => $argv,	1046	argv => $argv,
1082	}, $pkg;	1047	}, $pkg;
1083	Scalar::Util::weaken ($proxy->{term} = $self);	1048	Scalar::Util::weaken ($proxy->{term} = $self);
1084		1049
1085	$self->{_pkg}{$pkg} = $proxy;	1050	$self->{_pkg}{$pkg} = $proxy;
1086		1051
…		…
1089	$proxy->enable ($name => $ref);	1054	$proxy->enable ($name => $ref);
1090	}	1055	}
1091	}	1056	}
1092	}	1057	}
1093		1058
		1059	sub perl_libdirs {
		1060	map { split /:/ }
		1061	$_[0]->resource ("perl_lib"),
		1062	$ENV{URXVT_PERL_LIB},
		1063	"$ENV{HOME}/.urxvt/ext",
		1064	"$LIBDIR/perl"
		1065	}
		1066
		1067	sub scan_meta {
		1068	my ($self) = @_;
		1069	my @libdirs = perl_libdirs $self;
		1070
		1071	return if $self->{meta_libdirs} eq join "\x00", @libdirs;
		1072
		1073	my %meta;
		1074
		1075	$self->{meta_libdirs} = join "\x00", @libdirs;
		1076	$self->{meta} = \%meta;
		1077
		1078	for my $dir (reverse @libdirs) {
		1079	opendir my $fh, $dir
		1080	or next;
		1081	for my $ext (readdir $fh) {
		1082	$ext !~ /^\./
		1083	and open my $fh, "<", "$dir/$ext"
		1084	or next;
		1085
		1086	while (<$fh>) {
		1087	if (/^#:META:X_RESOURCE:(.*)/) {
		1088	my ($pattern, $type, $desc) = split /:/, $1;
		1089	$pattern =~ s/^%(\.|$)/$ext$1/g; # % in pattern == extension name
		1090	if ($pattern =~ /[^a-zA-Z0-9\-\.]/) {
		1091	warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n";
		1092	} else {
		1093	$meta{resource}{$pattern} = [$ext, $type, $desc];
		1094	}
		1095	} elsif (/^\s*(?:#|$)/) {
		1096	# skip other comments and empty lines
		1097	} else {
		1098	last; # stop parsing on first non-empty non-comment line
		1099	}
		1100	}
		1101	}
		1102	}
		1103	}
		1104
1094	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]	1105	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
1095		1106
1096	Creates a new terminal, very similar as if you had started it with system	1107	Creates a new terminal, very similar as if you had started it with system
1097	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like	1108	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
1098	hash which defines the environment of the new terminal.	1109	hash which defines the environment of the new terminal.
…		…
1115	}	1126	}
1116		1127
1117	=item $term->destroy	1128	=item $term->destroy
1118		1129
1119	Destroy the terminal object (close the window, free resources	1130	Destroy the terminal object (close the window, free resources
1120	etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event	1131	etc.). Please note that urxvt will not exit as long as any event
1121	watchers (timers, io watchers) are still active.	1132	watchers (timers, io watchers) are still active.
1122		1133
1123	=item $term->exec_async ($cmd[, @args])	1134	=item $term->exec_async ($cmd[, @args])
1124		1135
1125	Works like the combination of the C<fork>/C<exec> builtins, which executes	1136	Works like the combination of the C<fork>/C<exec> builtins, which executes
…		…
1149		1160
1150	Returns true if the option specified by C<$optval> is enabled, and	1161	Returns true if the option specified by C<$optval> is enabled, and
1151	optionally change it. All option values are stored by name in the hash	1162	optionally change it. All option values are stored by name in the hash
1152	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.	1163	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
1153		1164
1154	Here is a a likely non-exhaustive list of option names, please see the	1165	Here is a likely non-exhaustive list of option names, please see the
1155	source file F</src/optinc.h> to see the actual list:	1166	source file F</src/optinc.h> to see the actual list:
1156		1167
1157	borderLess console cursorBlink cursorUnderline hold iconic insecure	1168	borderLess buffered console cursorBlink cursorUnderline hold iconic
1158	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage	1169	insecure intensityStyles iso14755 iso14755_52 jumpScroll loginShell
1159	override-redirect pastableTabs pointerBlank reverseVideo scrollBar	1170	mapAlert meta8 mouseWheelScrollPage override_redirect pastableTabs
1160	scrollBar_floating scrollBar_right scrollTtyKeypress scrollTtyOutput	1171	pointerBlank reverseVideo scrollBar scrollBar_floating scrollBar_right
1161	scrollWithBuffer secondaryScreen secondaryScroll skipBuiltinGlyphs	1172	scrollTtyKeypress scrollTtyOutput scrollWithBuffer secondaryScreen
1162	transparent tripleclickwords utmpInhibit visualBell	1173	secondaryScroll skipBuiltinGlyphs skipScroll transparent tripleclickwords
		1174	urgentOnBell utmpInhibit visualBell
1163		1175
1164	=item $value = $term->resource ($name[, $newval])	1176	=item $value = $term->resource ($name[, $newval])
1165		1177
1166	Returns the current resource value associated with a given name and	1178	Returns the current resource value associated with a given name and
1167	optionally sets a new value. Setting values is most useful in the C<init>	1179	optionally sets a new value. Setting values is most useful in the C<init>
…		…
1176	likely change).	1188	likely change).
1177		1189
1178	Please note that resource strings will currently only be freed when the	1190	Please note that resource strings will currently only be freed when the
1179	terminal is destroyed, so changing options frequently will eat memory.	1191	terminal is destroyed, so changing options frequently will eat memory.
1180		1192
1181	Here is a a likely non-exhaustive list of resource names, not all of which	1193	Here is a likely non-exhaustive list of resource names, not all of which
1182	are supported in every build, please see the source file F</src/rsinc.h>	1194	are supported in every build, please see the source file F</src/rsinc.h>
1183	to see the actual list:	1195	to see the actual list:
1184		1196
1185	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont	1197	answerbackstring backgroundPixmap backspace_key blurradius
1186	borderLess color cursorBlink cursorUnderline cutchars delete_key	1198	boldFont boldItalicFont borderLess buffered chdir color cursorBlink
1187	display_name embed ext_bwidth fade font geometry hold iconName	1199	cursorUnderline cutchars delete_key depth display_name embed ext_bwidth
1188	imFont imLocale inputMethod insecure int_bwidth intensityStyles	1200	fade font geometry hold iconName iconfile imFont imLocale inputMethod
		1201	insecure int_bwidth intensityStyles iso14755 iso14755_52 italicFont
1189	italicFont jumpScroll lineSpace loginShell mapAlert meta8 modifier	1202	jumpScroll letterSpace lineSpace loginShell mapAlert meta8 modifier
1190	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval	1203	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
1191	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay	1204	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
1192	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar	1205	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
1193	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness	1206	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
1194	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle	1207	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
1195	secondaryScreen secondaryScroll selectstyle shade term_name title	1208	secondaryScreen secondaryScroll shade skipBuiltinGlyphs skipScroll
1196	transient_for transparent transparent_all tripleclickwords utmpInhibit	1209	term_name title transient_for transparent tripleclickwords urgentOnBell
1197	visualBell	1210	utmpInhibit visualBell
1198		1211
1199	=cut	1212	=cut
1200		1213
1201	sub resource($$;$) {	1214	sub resource($$;$) {
1202	my ($self, $name) = (shift, shift);	1215	my ($self, $name) = (shift, shift);
1203	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);	1216	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
1204	&urxvt::term::_resource	1217	goto &urxvt::term::_resource
1205	}	1218	}
1206		1219
1207	=item $value = $term->x_resource ($pattern)	1220	=item $value = $term->x_resource ($pattern)
1208		1221
1209	Returns the X-Resource for the given pattern, excluding the program or	1222	Returns the X-Resource for the given pattern, excluding the program or
1210	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the	1223	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
1211	same value as used by this instance of rxvt-unicode. Returns C<undef> if no	1224	same value as used by this instance of rxvt-unicode. Returns C<undef> if no
1212	resource with that pattern exists.	1225	resource with that pattern exists.
1213		1226
		1227	Extensions that define extra resource or command line arguments also need
		1228	to call this method to access their values.
		1229
		1230	If the method is called on an extension object (basically, from an
		1231	extension), then the special prefix C<%.> will be replaced by the name of
		1232	the extension and a dot, and the lone string C<%> will be replaced by the
		1233	extension name itself. This makes it possible to code extensions so you
		1234	can rename them and get a new set of commandline switches and resources
		1235	without having to change the actual code.
		1236
1214	This method should only be called during the C<on_start> hook, as there is	1237	This method should only be called during the C<on_start> hook, as there is
1215	only one resource database per display, and later invocations might return	1238	only one resource database per display, and later invocations might return
1216	the wrong resources.	1239	the wrong resources.
1217		1240
1218	=item $success = $term->parse_keysym ($keysym_spec, $command_string)	1241	=item $value = $term->x_resource_boolean ($pattern)
1219		1242
		1243	Like C<x_resource>, above, but interprets the string value as a boolean
		1244	and returns C<1> for true values, C<0> for false values and C<undef> if
		1245	the resource or option isn't specified.
		1246
		1247	You should always use this method to parse boolean resources.
		1248
		1249	=cut
		1250
		1251	sub x_resource_boolean {
		1252	my $res = &x_resource;
		1253
		1254	$res =~ /^\s*(?:true|yes|on|1)\s*$/i ? 1 : defined $res && 0
		1255	}
		1256
		1257	=item $success = $term->bind_action ($key, $octets)
		1258
1220	Adds a keymap translation exactly as specified via a resource. See the	1259	Adds a key binding exactly as specified via a resource. See the
1221	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.	1260	C<keysym> resource in the urxvt(1) manpage.
1222		1261
1223	=item $rend = $term->rstyle ([$new_rstyle])	1262	=item $rend = $term->rstyle ([$new_rstyle])
1224		1263
1225	Return and optionally change the current rendition. Text that is output by	1264	Return and optionally change the current rendition. Text that is output by
1226	the terminal application will use this style.	1265	the terminal application will use this style.
…		…
1234		1273
1235	=item ($row, $col) = $term->selection_beg ([$row, $col])	1274	=item ($row, $col) = $term->selection_beg ([$row, $col])
1236		1275
1237	=item ($row, $col) = $term->selection_end ([$row, $col])	1276	=item ($row, $col) = $term->selection_end ([$row, $col])
1238		1277
1239	Return the current values of the selection mark, begin or end positions,	1278	Return the current values of the selection mark, begin or end positions.
1240	and optionally set them to new values.	1279
		1280	When arguments are given, then the selection coordinates are set to
		1281	C<$row> and C<$col>, and the selection screen is set to the current
		1282	screen.
		1283
		1284	=item $screen = $term->selection_screen ([$screen])
		1285
		1286	Returns the current selection screen, and then optionally sets it.
1241		1287
1242	=item $term->selection_make ($eventtime[, $rectangular])	1288	=item $term->selection_make ($eventtime[, $rectangular])
1243		1289
1244	Tries to make a selection as set by C<selection_beg> and	1290	Tries to make a selection as set by C<selection_beg> and
1245	C<selection_end>. If C<$rectangular> is true (default: false), a	1291	C<selection_end>. If C<$rectangular> is true (default: false), a
1246	rectangular selection will be made. This is the prefered function to make	1292	rectangular selection will be made. This is the preferred function to make
1247	a selection.	1293	a selection.
1248		1294
1249	=item $success = $term->selection_grab ($eventtime)	1295	=item $success = $term->selection_grab ($eventtime[, $clipboard])
1250		1296
1251	Try to request the primary selection text from the server (for example, as	1297	Try to acquire ownership of the primary (clipboard if C<$clipboard> is
		1298	true) selection from the server. The corresponding text can be set
1252	set by the next method). No visual feedback will be given. This function	1299	with the next method. No visual feedback will be given. This function
1253	is mostly useful from within C<on_sel_grab> hooks.	1300	is mostly useful from within C<on_sel_grab> hooks.
1254		1301
1255	=item $oldtext = $term->selection ([$newtext])	1302	=item $oldtext = $term->selection ([$newtext, $clipboard])
1256		1303
1257	Return the current selection text and optionally replace it by C<$newtext>.	1304	Return the current selection (clipboard if C<$clipboard> is true) text
		1305	and optionally replace it by C<$newtext>.
		1306
		1307	=item $term->selection_clear ([$clipboard])
		1308
		1309	Revoke ownership of the primary (clipboard if C<$clipboard> is true) selection.
1258		1310
1259	=item $term->overlay_simple ($x, $y, $text)	1311	=item $term->overlay_simple ($x, $y, $text)
1260		1312
1261	Create a simple multi-line overlay box. See the next method for details.	1313	Create a simple multi-line overlay box. See the next method for details.
1262		1314
…		…
1292		1344
1293	The methods currently supported on C<urxvt::overlay> objects are:	1345	The methods currently supported on C<urxvt::overlay> objects are:
1294		1346
1295	=over 4	1347	=over 4
1296		1348
1297	=item $overlay->set ($x, $y, $text, $rend)	1349	=item $overlay->set ($x, $y, $text[, $rend])
1298		1350
1299	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts	1351	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts
1300	text in rxvt-unicode's special encoding and an array of rendition values	1352	text in rxvt-unicode's special encoding and an array of rendition values
1301	at a specific position inside the overlay.	1353	at a specific position inside the overlay.
		1354
		1355	If C<$rend> is missing, then the rendition will not be changed.
1302		1356
1303	=item $overlay->hide	1357	=item $overlay->hide
1304		1358
1305	If visible, hide the overlay, but do not destroy it.	1359	If visible, hide the overlay, but do not destroy it.
1306		1360
…		…
1388	locale-specific encoding of the terminal and can contain command sequences	1442	locale-specific encoding of the terminal and can contain command sequences
1389	(escape codes) that will be interpreted.	1443	(escape codes) that will be interpreted.
1390		1444
1391	=item $term->tt_write ($octets)	1445	=item $term->tt_write ($octets)
1392		1446
1393	Write the octets given in C<$data> to the tty (i.e. as program input). To	1447	Write the octets given in C<$octets> to the tty (i.e. as program input). To
1394	pass characters instead of octets, you should convert your strings first	1448	pass characters instead of octets, you should convert your strings first
1395	to the locale-specific encoding using C<< $term->locale_encode >>.	1449	to the locale-specific encoding using C<< $term->locale_encode >>.
		1450
		1451	=item $term->tt_paste ($octets)
		1452
		1453	Write the octets given in C<$octets> to the tty as a paste, converting NL to
		1454	CR and bracketing the data with control sequences if bracketed paste mode
		1455	is set.
1396		1456
1397	=item $old_events = $term->pty_ev_events ([$new_events])	1457	=item $old_events = $term->pty_ev_events ([$new_events])
1398		1458
1399	Replaces the event mask of the pty watcher by the given event mask. Can	1459	Replaces the event mask of the pty watcher by the given event mask. Can
1400	be used to suppress input and output handling to the pty/tty. See the	1460	be used to suppress input and output handling to the pty/tty. See the
…		…
1419	Adds the specified events to the vt event mask. Useful e.g. when you want	1479	Adds the specified events to the vt event mask. Useful e.g. when you want
1420	to receive pointer events all the times:	1480	to receive pointer events all the times:
1421		1481
1422	$term->vt_emask_add (urxvt::PointerMotionMask);	1482	$term->vt_emask_add (urxvt::PointerMotionMask);
1423		1483
		1484	=item $term->set_urgency ($set)
		1485
		1486	Enable/disable the urgency hint on the toplevel window.
		1487
1424	=item $term->focus_in	1488	=item $term->focus_in
1425		1489
1426	=item $term->focus_out	1490	=item $term->focus_out
1427		1491
1428	=item $term->key_press ($state, $keycode[, $time])	1492	=item $term->key_press ($state, $keycode[, $time])
…		…
1468	=item $env = $term->env	1532	=item $env = $term->env
1469		1533
1470	Returns a copy of the environment in effect for the terminal as a hashref	1534	Returns a copy of the environment in effect for the terminal as a hashref
1471	similar to C<\%ENV>.	1535	similar to C<\%ENV>.
1472		1536
		1537	=item @envv = $term->envv
		1538
		1539	Returns the environment as array of strings of the form C<VAR=VALUE>.
		1540
		1541	=item @argv = $term->argv
		1542
		1543	Return the argument vector as this terminal, similar to @ARGV, but
		1544	includes the program name as first element.
		1545
1473	=cut	1546	=cut
1474		1547
1475	sub env {	1548	sub env {
1476	if (my $env = $_[0]->_env) {
1477	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), @$env }	1549	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), $_[0]->envv }
1478	} else {
1479	+{ %ENV }
1480	}
1481	}	1550	}
1482		1551
1483	=item $modifiermask = $term->ModLevel3Mask	1552	=item $modifiermask = $term->ModLevel3Mask
1484		1553
1485	=item $modifiermask = $term->ModMetaMask	1554	=item $modifiermask = $term->ModMetaMask
…		…
1493		1562
1494	Returns the currently displayed screen (0 primary, 1 secondary).	1563	Returns the currently displayed screen (0 primary, 1 secondary).
1495		1564
1496	=item $cursor_is_hidden = $term->hidden_cursor	1565	=item $cursor_is_hidden = $term->hidden_cursor
1497		1566
1498	Returns wether the cursor is currently hidden or not.	1567	Returns whether the cursor is currently hidden or not.
1499		1568
1500	=item $view_start = $term->view_start ([$newvalue])	1569	=item $view_start = $term->view_start ([$newvalue])
1501		1570
1502	Returns the row number of the topmost displayed line. Maximum value is	1571	Returns the row number of the topmost displayed line. Maximum value is
1503	C<0>, which displays the normal terminal contents. Lower values scroll	1572	C<0>, which displays the normal terminal contents. Lower values scroll
…		…
1511		1580
1512	Used after changing terminal contents to display them.	1581	Used after changing terminal contents to display them.
1513		1582
1514	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])	1583	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
1515		1584
1516	Returns the text of the entire row with number C<$row_number>. Row C<0>	1585	Returns the text of the entire row with number C<$row_number>. Row C<< $term->top_row >>
1517	is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost	1586	is the topmost terminal line, row C<< $term->nrow-1 >> is the bottommost
1518	terminal line. The scrollback buffer starts at line C<-1> and extends to
1519	line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line	1587	terminal line. Nothing will be returned if a nonexistent line
1520	is requested.	1588	is requested.
1521		1589
1522	If C<$new_text> is specified, it will replace characters in the current	1590	If C<$new_text> is specified, it will replace characters in the current
1523	line, starting at column C<$start_col> (default C<0>), which is useful	1591	line, starting at column C<$start_col> (default C<0>), which is useful
1524	to replace only parts of a line. The font index in the rendition will	1592	to replace only parts of a line. The font index in the rendition will
1525	automatically be updated.	1593	automatically be updated.
1526		1594
1527	C<$text> is in a special encoding: tabs and wide characters that use more	1595	C<$text> is in a special encoding: tabs and wide characters that use more
1528	than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)	1596	than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
1529	characters. Characters with combining characters and other characters that	1597	characters. Characters with combining characters and other characters that
1530	do not fit into the normal tetx encoding will be replaced with characters	1598	do not fit into the normal text encoding will be replaced with characters
1531	in the private use area.	1599	in the private use area.
1532		1600
1533	You have to obey this encoding when changing text. The advantage is	1601	You have to obey this encoding when changing text. The advantage is
1534	that C<substr> and similar functions work on screen cells and not on	1602	that C<substr> and similar functions work on screen cells and not on
1535	characters.	1603	characters.
…		…
1620	}	1688	}
1621		1689
1622	sub urxvt::line::t {	1690	sub urxvt::line::t {
1623	my ($self) = @_;	1691	my ($self) = @_;
1624		1692
1625	if (@_ > 1)	1693	if (@_ > 1) {
1626	{
1627	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1694	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1628	for $self->{beg} .. $self->{end};	1695	for $self->{beg} .. $self->{end};
1629	}	1696	}
1630		1697
1631	defined wantarray &&	1698	defined wantarray &&
1632	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),	1699	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),
1633	0, $self->{len}	1700	0, $self->{len}
1634	}	1701	}
1635		1702
1636	sub urxvt::line::r {	1703	sub urxvt::line::r {
1637	my ($self) = @_;	1704	my ($self) = @_;
1638		1705
1639	if (@_ > 1)	1706	if (@_ > 1) {
1640	{
1641	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1707	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1642	for $self->{beg} .. $self->{end};	1708	for $self->{beg} .. $self->{end};
1643	}	1709	}
1644		1710
1645	if (defined wantarray) {	1711	if (defined wantarray) {
1646	my $rend = [	1712	my $rend = [
1647	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}	1713	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}
1648	];	1714	];
…		…
1680	where one character corresponds to one screen cell. See	1746	where one character corresponds to one screen cell. See
1681	C<< $term->ROW_t >> for details.	1747	C<< $term->ROW_t >> for details.
1682		1748
1683	=item $string = $term->special_decode $text	1749	=item $string = $term->special_decode $text
1684		1750
1685	Converts rxvt-unicodes text reprsentation into a perl string. See	1751	Converts rxvt-unicodes text representation into a perl string. See
1686	C<< $term->ROW_t >> for details.	1752	C<< $term->ROW_t >> for details.
1687		1753
1688	=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])	1754	=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
1689		1755
1690	=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])	1756	=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
…		…
1693	manpage.	1759	manpage.
1694		1760
1695	=item $success = $term->grab ($eventtime[, $sync])	1761	=item $success = $term->grab ($eventtime[, $sync])
1696		1762
1697	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or	1763	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1698	synchronous (C<$sync> is true). Also remembers the grab timestampe.	1764	synchronous (C<$sync> is true). Also remembers the grab timestamp.
1699		1765
1700	=item $term->allow_events_async	1766	=item $term->allow_events_async
1701		1767
1702	Calls XAllowEvents with AsyncBoth for the most recent grab.	1768	Calls XAllowEvents with AsyncBoth for the most recent grab.
1703		1769
…		…
1710	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most	1776	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
1711	recent grab.	1777	recent grab.
1712		1778
1713	=item $term->ungrab	1779	=item $term->ungrab
1714		1780
1715	Calls XUngrab for the most recent grab. Is called automatically on	1781	Calls XUngrabPointer and XUngrabKeyboard for the most recent grab. Is called automatically on
1716	evaluation errors, as it is better to lose the grab in the error case as	1782	evaluation errors, as it is better to lose the grab in the error case as
1717	the session.	1783	the session.
1718		1784
1719	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])	1785	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
1720		1786
…		…
1722		1788
1723	=item @atoms = $term->XListProperties ($window)	1789	=item @atoms = $term->XListProperties ($window)
1724		1790
1725	=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)	1791	=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
1726		1792
1727	=item $term->XChangeWindowProperty ($window, $property, $type, $format, $octets)	1793	=item $term->XChangeProperty ($window, $property, $type, $format, $octets)
1728		1794
1729	=item $term->XDeleteProperty ($window, $property)	1795	=item $term->XDeleteProperty ($window, $property)
1730		1796
1731	=item $window = $term->DefaultRootWindow	1797	=item $window = $term->DefaultRootWindow
1732		1798
…		…
1739	=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)	1805	=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
1740		1806
1741	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)	1807	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
1742		1808
1743	=item $term->XChangeInput ($window, $add_events[, $del_events])	1809	=item $term->XChangeInput ($window, $add_events[, $del_events])
		1810
		1811	=item $keysym = $term->XStringToKeysym ($string)
		1812
		1813	=item $string = $term->XKeysymToString ($keysym)
1744		1814
1745	Various X or X-related functions. The C<$term> object only serves as	1815	Various X or X-related functions. The C<$term> object only serves as
1746	the source of the display, otherwise those functions map more-or-less	1816	the source of the display, otherwise those functions map more-or-less
1747	directory onto the X functions of the same name.	1817	directly onto the X functions of the same name.
1748		1818
1749	=back	1819	=back
1750		1820
1751	=cut	1821	=cut
1752		1822
…		…
1854	my $env = $self->{term}->env;	1924	my $env = $self->{term}->env;
1855	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.	1925	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
1856	delete $env->{LC_ALL};	1926	delete $env->{LC_ALL};
1857	$env->{LC_CTYPE} = $self->{term}->locale;	1927	$env->{LC_CTYPE} = $self->{term}->locale;
1858		1928
1859	urxvt::term->new ($env, "popup",	1929	my $term = urxvt::term->new (
		1930	$env, "popup",
1860	"--perl-lib" => "", "--perl-ext-common" => "",	1931	"--perl-lib" => "", "--perl-ext-common" => "",
1861	"-pty-fd" => -1, "-sl" => 0,	1932	"-pty-fd" => -1, "-sl" => 0,
1862	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",	1933	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1863	"--transient-for" => $self->{term}->parent,	1934	"--transient-for" => $self->{term}->parent,
1864	"-display" => $self->{term}->display_id,	1935	"-display" => $self->{term}->display_id,
1865	"-pe" => "urxvt-popup")	1936	"-pe" => "urxvt-popup",
1866	or die "unable to create popup window\n";	1937	) or die "unable to create popup window\n";
		1938
		1939	unless (delete $term->{urxvt_popup_init_done}) {
		1940	$term->ungrab;
		1941	$term->destroy;
		1942	die "unable to initialise popup window\n";
		1943	}
1867	}	1944	}
1868		1945
1869	sub DESTROY {	1946	sub DESTROY {
1870	my ($self) = @_;	1947	my ($self) = @_;
1871		1948
…		…
1876	=back	1953	=back
1877		1954
1878	=cut	1955	=cut
1879		1956
1880	package urxvt::watcher;	1957	package urxvt::watcher;
1881
1882	@urxvt::timer::ISA = __PACKAGE__;
1883	@urxvt::iow::ISA = __PACKAGE__;
1884	@urxvt::pw::ISA = __PACKAGE__;
1885	@urxvt::iw::ISA = __PACKAGE__;
1886		1958
1887	=head2 The C<urxvt::timer> Class	1959	=head2 The C<urxvt::timer> Class
1888		1960
1889	This class implements timer watchers/events. Time is represented as a	1961	This class implements timer watchers/events. Time is represented as a
1890	fractional number of seconds since the epoch. Example:	1962	fractional number of seconds since the epoch. Example:
…		…
1894	->new	1966	->new
1895	->interval (1)	1967	->interval (1)
1896	->cb (sub {	1968	->cb (sub {
1897	$term->{overlay}->set (0, 0,	1969	$term->{overlay}->set (0, 0,
1898	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);	1970	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
1899	});	1971	});
1900		1972
1901	=over 4	1973	=over 4
1902		1974
1903	=item $timer = new urxvt::timer	1975	=item $timer = new urxvt::timer
1904		1976
…		…
1907		1979
1908	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })	1980	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })
1909		1981
1910	Set the callback to be called when the timer triggers.	1982	Set the callback to be called when the timer triggers.
1911		1983
1912	=item $tstamp = $timer->at
1913
1914	Return the time this watcher will fire next.
1915
1916	=item $timer = $timer->set ($tstamp)	1984	=item $timer = $timer->set ($tstamp[, $interval])
1917		1985
1918	Set the time the event is generated to $tstamp.	1986	Set the time the event is generated to $tstamp (and optionally specifies a
		1987	new $interval).
1919		1988
1920	=item $timer = $timer->interval ($interval)	1989	=item $timer = $timer->interval ($interval)
1921		1990
1922	Normally (and when C<$interval> is C<0>), the timer will automatically	1991	By default (and when C<$interval> is C<0>), the timer will automatically
1923	stop after it has fired once. If C<$interval> is non-zero, then the timer	1992	stop after it has fired once. If C<$interval> is non-zero, then the timer
1924	is automatically rescheduled at the given intervals.	1993	is automatically rescheduled at the given intervals.
1925		1994
1926	=item $timer = $timer->start	1995	=item $timer = $timer->start
1927		1996
1928	Start the timer.	1997	Start the timer.
1929		1998
1930	=item $timer = $timer->start ($tstamp)	1999	=item $timer = $timer->start ($tstamp[, $interval])
1931		2000
1932	Set the event trigger time to C<$tstamp> and start the timer.	2001	Set the event trigger time to C<$tstamp> and start the timer. Optionally
		2002	also replaces the interval.
1933		2003
1934	=item $timer = $timer->after ($delay)	2004	=item $timer = $timer->after ($delay[, $interval])
1935		2005
1936	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.	2006	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1937		2007
1938	=item $timer = $timer->stop	2008	=item $timer = $timer->stop
1939		2009
…		…
1947		2017
1948	$term->{socket} = ...	2018	$term->{socket} = ...
1949	$term->{iow} = urxvt::iow	2019	$term->{iow} = urxvt::iow
1950	->new	2020	->new
1951	->fd (fileno $term->{socket})	2021	->fd (fileno $term->{socket})
1952	->events (urxvt::EVENT_READ)	2022	->events (urxvt::EV_READ)
1953	->start	2023	->start
1954	->cb (sub {	2024	->cb (sub {
1955	my ($iow, $revents) = @_;	2025	my ($iow, $revents) = @_;
1956	# $revents must be 1 here, no need to check	2026	# $revents must be 1 here, no need to check
1957	sysread $term->{socket}, my $buf, 8192	2027	sysread $term->{socket}, my $buf, 8192
…		…
1970	Set the callback to be called when io events are triggered. C<$reventmask>	2040	Set the callback to be called when io events are triggered. C<$reventmask>
1971	is a bitset as described in the C<events> method.	2041	is a bitset as described in the C<events> method.
1972		2042
1973	=item $iow = $iow->fd ($fd)	2043	=item $iow = $iow->fd ($fd)
1974		2044
1975	Set the filedescriptor (not handle) to watch.	2045	Set the file descriptor (not handle) to watch.
1976		2046
1977	=item $iow = $iow->events ($eventmask)	2047	=item $iow = $iow->events ($eventmask)
1978		2048
1979	Set the event mask to watch. The only allowed values are	2049	Set the event mask to watch. The only allowed values are
1980	C<urxvt::EVENT_READ> and C<urxvt::EVENT_WRITE>, which might be ORed	2050	C<urxvt::EV_READ> and C<urxvt::EV_WRITE>, which might be ORed
1981	together, or C<urxvt::EVENT_NONE>.	2051	together, or C<urxvt::EV_NONE>.
1982		2052
1983	=item $iow = $iow->start	2053	=item $iow = $iow->start
1984		2054
1985	Start watching for requested events on the given handle.	2055	Start watching for requested events on the given handle.
1986		2056
1987	=item $iow = $iow->stop	2057	=item $iow = $iow->stop
1988		2058
1989	Stop watching for events on the given filehandle.	2059	Stop watching for events on the given file handle.
1990		2060
1991	=back	2061	=back
1992		2062
1993	=head2 The C<urxvt::iw> Class	2063	=head2 The C<urxvt::iw> Class
1994		2064
…		…
2027	->new	2097	->new
2028	->start ($pid)	2098	->start ($pid)
2029	->cb (sub {	2099	->cb (sub {
2030	my ($pw, $exit_status) = @_;	2100	my ($pw, $exit_status) = @_;
2031	...	2101	...
2032	});	2102	});
2033		2103
2034	=over 4	2104	=over 4
2035		2105
2036	=item $pw = new urxvt::pw	2106	=item $pw = new urxvt::pw
2037		2107
…		…
2041		2111
2042	Set the callback to be called when the timer triggers.	2112	Set the callback to be called when the timer triggers.
2043		2113
2044	=item $pw = $timer->start ($pid)	2114	=item $pw = $timer->start ($pid)
2045		2115
2046	Tells the wqtcher to start watching for process C<$pid>.	2116	Tells the watcher to start watching for process C<$pid>.
2047		2117
2048	=item $pw = $pw->stop	2118	=item $pw = $pw->stop
2049		2119
2050	Stop the watcher.	2120	Stop the watcher.
2051		2121
…		…
2064		2134
2065	=item >= 3 - script loading and management	2135	=item >= 3 - script loading and management
2066		2136
2067	=item >=10 - all called hooks	2137	=item >=10 - all called hooks
2068		2138
2069	=item >=11 - hook reutrn values	2139	=item >=11 - hook return values
2070		2140
2071	=back	2141	=back
2072		2142
2073	=head1 AUTHOR	2143	=head1 AUTHOR
2074		2144
2075	Marc Lehmann <pcg@goof.com>	2145	Marc Lehmann <schmorp@schmorp.de>
2076	http://software.schmorp.de/pkg/rxvt-unicode	2146	http://software.schmorp.de/pkg/rxvt-unicode
2077		2147
2078	=cut	2148	=cut
2079		2149
2080	1	2150	1
		2151
		2152	# vim: sw=3:

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