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Revision 1.143 by root, Thu Jul 6 23:48:11 2006 UTC vs.
Revision 1.231 by root, Sun Apr 27 20:26:28 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	The regex defaults to "(?i)", resulting in a case-insensitive search. To
157	get a case-sensitive search you can delete this prefix using C<BackSpace>
158	or simply use an uppercase character which removes the "(?i)" prefix.
159
160	See L<perlre> for more info about perl regular expression syntax.
161
162	=item readline (enabled by default)
163
164	A support package that tries to make editing with readline easier. At
165	the moment, it reacts to clicking shift-left mouse button by trying to
166	move the text cursor to this position. It does so by generating as many
167	cursor-left or cursor-right keypresses as required (the this only works
168	for programs that correctly support wide characters).
169
170	To avoid too many false positives, this is only done when:
171
172	=over 4
173
174	=item - the tty is in ICANON state.
175
176	=item - the text cursor is visible.
177
178	=item - the primary screen is currently being displayed.
179
180	=item - the mouse is on the same (multi-row-) line as the text cursor.
181
182	=back
183
184	The normal selection mechanism isn't disabled, so quick successive clicks
185	might interfere with selection creation in harmless ways.
186
187	=item selection-autotransform
188
189	This selection allows you to do automatic transforms on a selection
190	whenever a selection is made.
191
192	It works by specifying perl snippets (most useful is a single C<s///>
193	operator) that modify C<$_> as resources:
194
195	URxvt.selection-autotransform.0: transform
196	URxvt.selection-autotransform.1: transform
197	...
198
199	For example, the following will transform selections of the form
200	C<filename:number>, often seen in compiler messages, into C<vi +$filename
201	$word>:
202
203	URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/
204
205	And this example matches the same,but replaces it with vi-commands you can
206	paste directly into your (vi :) editor:
207
208	URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/:e \\Q$1\\E\\x0d:$2\\x0d/
209
210	Of course, this can be modified to suit your needs and your editor :)
211
212	To expand the example above to typical perl error messages ("XXX at
213	FILENAME line YYY."), you need a slightly more elaborate solution:
214
215	URxvt.selection.pattern-0: ( at .*? line \\d+[,.])
216	URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)[,.]$/:e \\Q$1\E\\x0d:$2\\x0d/
217
218	The first line tells the selection code to treat the unchanging part of
219	every error message as a selection pattern, and the second line transforms
220	the message into vi commands to load the file.
221
222	=item tabbed
223
224	This transforms the terminal into a tabbar with additional terminals, that
225	is, it implements what is commonly refered to as "tabbed terminal". The topmost line
226	displays a "[NEW]" button, which, when clicked, will add a new tab, followed by one
227	button per tab.
228
229	Clicking a button will activate that tab. Pressing B<Shift-Left> and
230	B<Shift-Right> will switch to the tab left or right of the current one,
231	while B<Shift-Down> creates a new tab.
232
233	The tabbar itself can be configured similarly to a normal terminal, but
234	with a resource class of C<URxvt.tabbed>. In addition, it supports the
235	following four resources (shown with defaults):
236
237	URxvt.tabbed.tabbar-fg: <colour-index, default 3>
238	URxvt.tabbed.tabbar-bg: <colour-index, default 0>
239	URxvt.tabbed.tab-fg: <colour-index, default 0>
240	URxvt.tabbed.tab-bg: <colour-index, default 1>
241
242	See I<COLOR AND GRAPHICS> in the @@RXVT_NAME@@(1) manpage for valid
243	indices.
244
245	=item mark-urls
246
247	Uses per-line display filtering (C<on_line_update>) to underline urls and
248	make them clickable. When middle-clicked, the program specified in the
249	resource C<urlLauncher> (default C<x-www-browser>) will be started with
250	the URL as first argument.
251
252	=item xim-onthespot
253
254	This (experimental) perl extension implements OnTheSpot editing. It does
255	not work perfectly, and some input methods don't seem to work well with
256	OnTheSpot editing in general, but it seems to work at leats for SCIM and
257	kinput2.
258
259	You enable it by specifying this extension and a preedit style of
260	C<OnTheSpot>, i.e.:
261
262	@@RXVT_NAME@@ -pt OnTheSpot -pe xim-onthespot
263
264	=item kuake<hotkey>
265
266	A very primitive quake-console-like extension. It was inspired by a
267	description of how the programs C<kuake> and C<yakuake> work: Whenever the
268	user presses a global accelerator key (by default C<F10>), the terminal
269	will show or hide itself. Another press of the accelerator key will hide
270	or show it again.
271
272	Initially, the window will not be shown when using this extension.
273
274	This is useful if you need a single terminal thats not using any desktop
275	space most of the time but is quickly available at the press of a key.
276
277	The accelerator key is grabbed regardless of any modifers, so this
278	extension will actually grab a physical key just for this function.
279
280	If you want a quake-like animation, tell your window manager to do so
281	(fvwm can do it).
282
283	=item automove-background
284
285	This is basically a very small extension that dynamically changes the
286	background pixmap offset to the window position, in effect creating the
287	same effect as pseudo transparency with a custom pixmap. No scaling is
288	supported in this mode. Exmaple:
289
290	@@RXVT_NAME@@ -pixmap background.xpm -pe automove-background
291
292	=item block-graphics-to-ascii
293
294	A not very useful example of filtering all text output to the terminal
295	by replacing all line-drawing characters (U+2500 .. U+259F) by a
296	similar-looking ascii character.
297
298	=item digital-clock
299
300	Displays a digital clock using the built-in overlay.
301
302	=item remote-clipboard
303
304	Somewhat of a misnomer, this extension adds two menu entries to the
305	selection popup that allows one ti run external commands to store the
306	selection somewhere and fetch it again.
307
308	We use it to implement a "distributed selection mechanism", which just
309	means that one command uploads the file to a remote server, and another
310	reads it.
311
312	The commands can be set using the C<URxvt.remote-selection.store> and
313	C<URxvt.remote-selection.fetch> resources. The first should read the
314	selection to store from STDIN (always in UTF-8), the second should provide
315	the selection data on STDOUT (also in UTF-8).
316
317	The defaults (which are likely useless to you) use rsh and cat:
318
319	URxvt.remote-selection.store: rsh ruth 'cat >/tmp/distributed-selection'
320	URxvt.remote-selection.fetch: rsh ruth 'cat /tmp/distributed-selection'
321
322	=item selection-pastebin
323
324	This is a little rarely useful extension that Uploads the selection as
325	textfile to a remote site (or does other things). (The implementation is
326	not currently secure for use in a multiuser environment as it writes to
327	F</tmp> directly.).
328
329	It listens to the C<selection-pastebin:remote-pastebin> keyboard command,
330	i.e.
331
332	URxvt.keysym.C-M-e: perl:selection-pastebin:remote-pastebin
333
334	Pressing this combination runs a command with C<%> replaced by the name of
335	the textfile. This command can be set via a resource:
336
337	URxvt.selection-pastebin.cmd: rsync -apP % ruth:/var/www/www.ta-sa.org/files/txt/.
338
339	And the default is likely not useful to anybody but the few people around
340	here :)
341
342	The name of the textfile is the hex encoded md5 sum of the selection, so
343	the same content should lead to the same filename.
344
345	After a successful upload the selection will be replaced by the text given
346	in the C<selection-pastebin-url> resource (again, the % is the placeholder
347	for the filename):
348
349	URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/%
350
351	=item example-refresh-hooks
352
353	Displays a very simple digital clock in the upper right corner of the
354	window. Illustrates overwriting the refresh callbacks to create your own
355	overlays or changes.
356
357	=back
358		50
359	=head1 API DOCUMENTATION	51	=head1 API DOCUMENTATION
360		52
361	=head2 General API Considerations	53	=head2 General API Considerations
362		54
…		…
376		68
377	=over 4	69	=over 4
378		70
379	=item $text	71	=item $text
380		72
381	Rxvt-unicodes special way of encoding text, where one "unicode" character	73	Rxvt-unicode's special way of encoding text, where one "unicode" character
382	always represents one screen cell. See L<ROW_t> for a discussion of this format.	74	always represents one screen cell. See L<ROW_t> for a discussion of this format.
383		75
384	=item $string	76	=item $string
385		77
386	A perl text string, with an emphasis on I<text>. It can store all unicode	78	A perl text string, with an emphasis on I<text>. It can store all unicode
…		…
390	=item $octets	82	=item $octets
391		83
392	Either binary data or - more common - a text string encoded in a	84	Either binary data or - more common - a text string encoded in a
393	locale-specific way.	85	locale-specific way.
394		86
		87	=item $keysym
		88
		89	an integer that is a valid X11 keysym code. You can convert a string
		90	into a keysym and viceversa by using C<XStringToKeysym> and
		91	C<XKeysymToString>.
		92
395	=back	93	=back
396		94
397	=head2 Extension Objects	95	=head2 Extension Objects
398		96
399	Every perl extension is a perl class. A separate perl object is created	97	Every perl extension is a perl class. A separate perl object is created
400	for each terminal and each extension and passed as the first parameter to	98	for each terminal, and each terminal has its own set of extension objects,
401	hooks. So extensions can use their C<$self> object without having to think	99	which are passed as the first parameter to hooks. So extensions can use
402	about other extensions, with the exception of methods and members that	100	their C<$self> object without having to think about clashes with other
		101	extensions or other terminals, with the exception of methods and members
403	begin with an underscore character C<_>: these are reserved for internal	102	that begin with an underscore character C<_>: these are reserved for
404	use.	103	internal use.
405		104
406	Although it isn't a C<urxvt::term> object, you can call all methods of the	105	Although it isn't a C<urxvt::term> object, you can call all methods of the
407	C<urxvt::term> class on this object.	106	C<urxvt::term> class on this object.
408		107
409	It has the following methods and data members:	108	Additional methods only supported for extension objects are described in
410		109	the C<urxvt::extension> section below.
411	=over 4
412
413	=item $urxvt_term = $self->{term}
414
415	Returns the C<urxvt::term> object associated with this instance of the
416	extension. This member I<must not> be changed in any way.
417
418	=item $self->enable ($hook_name => $cb, [$hook_name => $cb..])
419
420	Dynamically enable the given hooks (named without the C<on_> prefix) for
421	this extension, replacing any previous hook. This is useful when you want
422	to overwrite time-critical hooks only temporarily.
423
424	=item $self->disable ($hook_name[, $hook_name..])
425
426	Dynamically disable the given hooks.
427
428	=back
429		110
430	=head2 Hooks	111	=head2 Hooks
431		112
432	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
433	called whenever the relevant event happens.	114	called whenever the relevant event happens.
434		115
435	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
436	the in the C<Extension Objects> section.	117	the in the C<Extension Objects> section.
437		118
438	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
439	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
440	relevant action might not be carried out by the C++ code.	121	relevant action might not be carried out by the C++ code.
…		…
453	place.	134	place.
454		135
455	=item on_start $term	136	=item on_start $term
456		137
457	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
458	trying to map (display) the toplevel and returning to the mainloop.	139	trying to map (display) the toplevel and returning to the main loop.
459		140
460	=item on_destroy $term	141	=item on_destroy $term
461		142
462	Called whenever something tries to destroy terminal, when the terminal is	143	Called whenever something tries to destroy terminal, when the terminal is
463	still fully functional (not for long, though).	144	still fully functional (not for long, though).
…		…
490		171
491	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
492	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
493	by calling C<< $term->selection >>.	174	by calling C<< $term->selection >>.
494		175
495	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.
496		177
497	=item on_sel_extend $term	178	=item on_sel_extend $term
498		179
499	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
500	click) and is either supposed to return false (normal operation), or	181	click) and is either supposed to return false (normal operation), or
501	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
502	processing. This can happen multiple times, as long as the callback	183	processing. This can happen multiple times, as long as the callback
503	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
504	supposed to enlarge the selection more and more, if possible.	185	supposed to enlarge the selection more and more, if possible.
505		186
506	See the F<selection> example extension.	187	See the F<selection> example extension.
507		188
508	=item on_view_change $term, $offset	189	=item on_view_change $term, $offset
509		190
510	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
511	scrolls. Offset C<0> means display the normal terminal, positive values	192	scrolls. Offset C<0> means display the normal terminal, positive values
512	show this many lines of scrollback.	193	show this many lines of scrollback.
513		194
514	=item on_scroll_back $term, $lines, $saved	195	=item on_scroll_back $term, $lines, $saved
515		196
…		…
519		200
520	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,	201	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,
521	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total	202	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total
522	number of lines that will be in the scrollback buffer.	203	number of lines that will be in the scrollback buffer.
523		204
524	=item on_osc_seq $term, $op, $args	205	=item on_osc_seq $term, $op, $args, $resp
525		206
526	Called on every OSC sequence and can be used to suppress it or modify its	207	Called on every OSC sequence and can be used to suppress it or modify its
527	behaviour. The default should be to return an empty list. A true value	208	behaviour. The default should be to return an empty list. A true value
528	suppresses execution of the request completely. Make sure you don't get	209	suppresses execution of the request completely. Make sure you don't get
529	confused by recursive invocations when you output an osc sequence within	210	confused by recursive invocations when you output an OSC sequence within
530	this callback.	211	this callback.
531		212
532	C<on_osc_seq_perl> should be used for new behaviour.	213	C<on_osc_seq_perl> should be used for new behaviour.
533		214
534	=item on_osc_seq_perl $term, $string	215	=item on_osc_seq_perl $term, $args, $resp
535		216
536	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =	217	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
537	operating system command) is processed. Cursor position and other state	218	operating system command) is processed. Cursor position and other state
538	information is up-to-date when this happens. For interoperability, the	219	information is up-to-date when this happens. For interoperability, the
539	string should start with the extension name and a colon, to distinguish	220	string should start with the extension name (sans -osc) and a semicolon,
540	it from commands for other extensions, and this might be enforced in the	221	to distinguish it from commands for other extensions, and this might be
541	future.	222	enforced in the future.
		223
		224	For example, C<overlay-osc> uses this:
		225
		226	sub on_osc_seq_perl {
		227	my ($self, $osc, $resp) = @_;
		228
		229	return unless $osc =~ s/^overlay;//;
		230
		231	... process remaining $osc string
		232	}
542		233
543	Be careful not ever to trust (in a security sense) the data you receive,	234	Be careful not ever to trust (in a security sense) the data you receive,
544	as its source can not easily be controleld (e-mail content, messages from	235	as its source can not easily be controlled (e-mail content, messages from
545	other users on the same system etc.).	236	other users on the same system etc.).
		237
		238	For responses, C<$resp> contains the end-of-args separator used by the
		239	sender.
546		240
547	=item on_add_lines $term, $string	241	=item on_add_lines $term, $string
548		242
549	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
550	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
…		…
555	=item on_tt_write $term, $octets	249	=item on_tt_write $term, $octets
556		250
557	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
558	suppress or filter tty input.	252	suppress or filter tty input.
559		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
560	=item on_line_update $term, $row	261	=item on_line_update $term, $row
561		262
562	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
563	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
564	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,
…		…
571	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
572	you cannot just toggle rendition bits, but only set them.	273	you cannot just toggle rendition bits, but only set them.
573		274
574	=item on_refresh_begin $term	275	=item on_refresh_begin $term
575		276
576	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
577	or similar effects by modify terminal contents in refresh_begin, and	278	similar effects by modifying the terminal contents in refresh_begin, and
578	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
579	code is run after this hook, and takes precedence.	280	code is run after this hook, and takes precedence.
580		281
581	=item on_refresh_end $term	282	=item on_refresh_end $term
582		283
583	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>.
584		285
585	=item on_user_command $term, $string	286	=item on_user_command $term, $string *DEPRECATED*
586		287
587	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
588	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>
589	resource in the @@RXVT_NAME@@(1) manpage).	290	resource in the urxvt(1) manpage).
590		291
591	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
592	slightly in the future.	293	preference to the C<< ->register_keysym_action >> method.
593		294
		295	=item on_register_command $term, $keysym, $modifiermask, $string
		296
		297	Called after parsing a keysym resource but before registering the
		298	associated binding. If this hook returns a true value the binding
		299	is not registered. It can be used to modify a binding by calling
		300	C<register_command>.
		301
594	=item on_resize_all_windows $tern, $new_width, $new_height	302	=item on_resize_all_windows $term, $new_width, $new_height
595		303
596	Called just after the new window size has been calculcated, but before	304	Called just after the new window size has been calculated, but before
597	windows are actually being resized or hints are being set. If this hook	305	windows are actually being resized or hints are being set. If this hook
598	returns TRUE, setting of the window hints is being skipped.	306	returns a true value, setting of the window hints is being skipped.
599		307
600	=item on_x_event $term, $event	308	=item on_x_event $term, $event
601		309
602	Called on every X event received on the vt window (and possibly other	310	Called on every X event received on the vt window (and possibly other
603	windows). Should only be used as a last resort. Most event structure	311	windows). Should only be used as a last resort. Most event structure
…		…
612	Called whenever the window gets the keyboard focus, before rxvt-unicode	320	Called whenever the window gets the keyboard focus, before rxvt-unicode
613	does focus in processing.	321	does focus in processing.
614		322
615	=item on_focus_out $term	323	=item on_focus_out $term
616		324
617	Called wheneever the window loses keyboard focus, before rxvt-unicode does	325	Called whenever the window loses keyboard focus, before rxvt-unicode does
618	focus out processing.	326	focus out processing.
619		327
620	=item on_configure_notify $term, $event	328	=item on_configure_notify $term, $event
621		329
622	=item on_property_notify $term, $event	330	=item on_property_notify $term, $event
…		…
633		341
634	=item on_map_notify $term, $event	342	=item on_map_notify $term, $event
635		343
636	=item on_unmap_notify $term, $event	344	=item on_unmap_notify $term, $event
637		345
638	Called whenever the corresponding X event is received for the terminal If	346	Called whenever the corresponding X event is received for the terminal. If
639	the hook returns true, then the even will be ignored by rxvt-unicode.	347	the hook returns true, then the event will be ignored by rxvt-unicode.
640		348
641	The event is a hash with most values as named by Xlib (see the XEvent	349	The event is a hash with most values as named by Xlib (see the XEvent
642	manpage), with the additional members C<row> and C<col>, which are the	350	manpage), with the additional members C<row> and C<col>, which are the
643	(real, not screen-based) row and column under the mouse cursor.	351	(real, not screen-based) row and column under the mouse cursor.
644		352
645	C<on_key_press> additionally receives the string rxvt-unicode would	353	C<on_key_press> additionally receives the string rxvt-unicode would
646	output, if any, in locale-specific encoding.	354	output, if any, in locale-specific encoding.
647		355
648	subwindow.
649
650	=item on_client_message $term, $event	356	=item on_client_message $term, $event
651		357
652	=item on_wm_protocols $term, $event	358	=item on_wm_protocols $term, $event
653		359
654	=item on_wm_delete_window $term, $event	360	=item on_wm_delete_window $term, $event
655		361
656	Called when various types of ClientMessage events are received (all with	362	Called when various types of ClientMessage events are received (all with
657	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).	363	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
658		364
		365	=item on_bell $term
		366
		367	Called on receipt of a bell character.
		368
659	=back	369	=back
660		370
661	=cut	371	=cut
662		372
663	package urxvt;	373	package urxvt;
664		374
665	use utf8;	375	use utf8;
666	use strict;	376	use strict 'vars';
667	use Carp ();	377	use Carp ();
668	use Scalar::Util ();	378	use Scalar::Util ();
669	use List::Util ();	379	use List::Util ();
670		380
671	our $VERSION = 1;	381	our $VERSION = 1;
672	our $TERM;	382	our $TERM;
673	our @TERM_INIT;	383	our @TERM_INIT; # should go, prevents async I/O etc.
674	our @TERM_EXT;	384	our @TERM_EXT; # should go, prevents async I/O etc.
675	our @HOOKNAME;	385	our @HOOKNAME;
676	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;	386	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
677	our %OPTION;	387	our %OPTION;
678		388
679	our $LIBDIR;	389	our $LIBDIR;
…		…
705	The current terminal. This variable stores the current C<urxvt::term>	415	The current terminal. This variable stores the current C<urxvt::term>
706	object, whenever a callback/hook is executing.	416	object, whenever a callback/hook is executing.
707		417
708	=item @urxvt::TERM_INIT	418	=item @urxvt::TERM_INIT
709		419
710	All coderefs in this array will be called as methods of the next newly	420	All code references in this array will be called as methods of the next newly
711	created C<urxvt::term> object (during the C<on_init> phase). The array	421	created C<urxvt::term> object (during the C<on_init> phase). The array
712	gets cleared before the codereferences that were in it are being executed,	422	gets cleared before the code references that were in it are being executed,
713	so coderefs can push themselves onto it again if they so desire.	423	so references can push themselves onto it again if they so desire.
714		424
715	This complements to the perl-eval commandline option, but gets executed	425	This complements to the perl-eval command line option, but gets executed
716	first.	426	first.
717		427
718	=item @urxvt::TERM_EXT	428	=item @urxvt::TERM_EXT
719		429
720	Works similar to C<@TERM_INIT>, but contains perl package/class names, which	430	Works similar to C<@TERM_INIT>, but contains perl package/class names, which
…		…
727		437
728	=over 4	438	=over 4
729		439
730	=item urxvt::fatal $errormessage	440	=item urxvt::fatal $errormessage
731		441
732	Fatally aborts execution with the given error message. Avoid at all	442	Fatally aborts execution with the given error message (which should
733	costs! The only time this is acceptable is when the terminal process	443	include a trailing newline). Avoid at all costs! The only time this
734	starts up.	444	is acceptable (and useful) is in the init hook, where it prevents the
		445	terminal from starting up.
735		446
736	=item urxvt::warn $string	447	=item urxvt::warn $string
737		448
738	Calls C<rxvt_warn> with the given string which should not include a	449	Calls C<rxvt_warn> with the given string which should include a trailing
739	newline. The module also overwrites the C<warn> builtin with a function	450	newline. The module also overwrites the C<warn> builtin with a function
740	that calls this function.	451	that calls this function.
741		452
742	Using this function has the advantage that its output ends up in the	453	Using this function has the advantage that its output ends up in the
743	correct place, e.g. on stderr of the connecting urxvtc client.	454	correct place, e.g. on stderr of the connecting urxvtc client.
…		…
745	Messages have a size limit of 1023 bytes currently.	456	Messages have a size limit of 1023 bytes currently.
746		457
747	=item @terms = urxvt::termlist	458	=item @terms = urxvt::termlist
748		459
749	Returns all urxvt::term objects that exist in this process, regardless of	460	Returns all urxvt::term objects that exist in this process, regardless of
750	wether they are started, being destroyed etc., so be careful. Only term	461	whether they are started, being destroyed etc., so be careful. Only term
751	objects that have perl extensions attached will be returned (because there	462	objects that have perl extensions attached will be returned (because there
752	is no urxvt::term objet associated with others).	463	is no urxvt::term object associated with others).
753		464
754	=item $time = urxvt::NOW	465	=item $time = urxvt::NOW
755		466
756	Returns the "current time" (as per the event loop).	467	Returns the "current time" (as per the event loop).
757		468
…		…
800		511
801	=item $rend = urxvt::OVERLAY_RSTYLE	512	=item $rend = urxvt::OVERLAY_RSTYLE
802		513
803	Return the rendition mask used for overlays by default.	514	Return the rendition mask used for overlays by default.
804		515
805	=item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline	516	=item $rendbit = urxvt::RS_Bold, urxvt::RS_Italic, urxvt::RS_Blink,
		517	urxvt::RS_RVid, urxvt::RS_Uline
806		518
807	Return the bit that enabled bold, italic, blink, reverse-video and	519	Return the bit that enabled bold, italic, blink, reverse-video and
808	underline, respectively. To enable such a style, just logically OR it into	520	underline, respectively. To enable such a style, just logically OR it into
809	the bitset.	521	the bitset.
810		522
…		…
847	};	559	};
848	}	560	}
849		561
850	no warnings 'utf8';	562	no warnings 'utf8';
851		563
		564	sub parse_resource {
		565	my ($term, $name, $isarg, $longopt, $flag, $value) = @_;
		566
		567	$name =~ y/-/./ if $isarg;
		568
		569	$term->scan_meta;
		570
		571	my $r = $term->{meta}{resource};
		572	keys %$r; # reset iterator
		573	while (my ($pattern, $v) = each %$r) {
		574	if (
		575	$pattern =~ /\.$/
		576	? $pattern eq substr $name, 0, length $pattern
		577	: $pattern eq $name
		578	) {
		579	$name = "$urxvt::RESCLASS.$name";
		580
		581	push @{ $term->{perl_ext_3} }, $v->[0];
		582
		583	if ($v->[1] eq "boolean") {
		584	$term->put_option_db ($name, $flag ? "true" : "false");
		585	return 1;
		586	} else {
		587	$term->put_option_db ($name, $value);
		588	return 1 + 2;
		589	}
		590	}
		591	}
		592
		593	0
		594	}
		595
		596	sub usage {
		597	my ($term, $usage_type) = @_;
		598
		599	$term->scan_meta;
		600
		601	my $r = $term->{meta}{resource};
		602
		603	for my $pattern (sort keys %$r) {
		604	my ($ext, $type, $desc) = @{ $r->{$pattern} };
		605
		606	$desc .= " (-pe $ext)";
		607
		608	if ($usage_type == 1) {
		609	$pattern =~ y/./-/;
		610	$pattern =~ s/-$/-.../g;
		611
		612	if ($type eq "boolean") {
		613	urxvt::log sprintf " -%-30s %s\n", "/+$pattern", $desc;
		614	} else {
		615	urxvt::log sprintf " -%-30s %s\n", "$pattern $type", $desc;
		616	}
		617	} else {
		618	$pattern =~ s/\.$/.*/g;
		619	urxvt::log sprintf " %-31s %s\n", "$pattern:", $type;
		620	}
		621	}
		622	}
		623
852	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};	624	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
853		625
854	sub verbose {	626	sub verbose {
855	my ($level, $msg) = @_;	627	my ($level, $msg) = @_;
856	warn "$msg\n" if $level <= $verbosity;	628	warn "$msg\n" if $level <= $verbosity;
…		…
868	$pkg =~ s/[^[:word:]]/_/g;	640	$pkg =~ s/[^[:word:]]/_/g;
869	$pkg = "urxvt::ext::$pkg";	641	$pkg = "urxvt::ext::$pkg";
870		642
871	verbose 3, "loading extension '$path' into package '$pkg'";	643	verbose 3, "loading extension '$path' into package '$pkg'";
872		644
		645	(${"$pkg\::_NAME"} = $path) =~ s/^.*[\\\/]//; # hackish
		646
873	open my $fh, "<:raw", $path	647	open my $fh, "<:raw", $path
874	or die "$path: $!";	648	or die "$path: $!";
875		649
876	my $source =	650	my $source =
877	"package $pkg; use strict; use utf8; no warnings 'utf8';\n"	651	"package $pkg; use strict 'vars'; use utf8; no warnings 'utf8';\n"
878	. "#line 1 \"$path\"\n{\n"	652	. "#line 1 \"$path\"\n{\n"
879	. (do { local $/; <$fh> })	653	. (do { local $/; <$fh> })
880	. "\n};\n1";	654	. "\n};\n1";
881		655
882	eval $source	656	eval $source
…		…
891	# called by the rxvt core	665	# called by the rxvt core
892	sub invoke {	666	sub invoke {
893	local $TERM = shift;	667	local $TERM = shift;
894	my $htype = shift;	668	my $htype = shift;
895		669
896	if ($htype == 0) { # INIT	670	if ($htype == HOOK_INIT) {
897	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");	671	my @dirs = $TERM->perl_libdirs;
898		672
899	my %ext_arg;	673	my %ext_arg;
900		674
901	{	675	{
902	my @init = @TERM_INIT;	676	my @init = @TERM_INIT;
903	@TERM_INIT = ();	677	@TERM_INIT = ();
…		…
905	my @pkg = @TERM_EXT;	679	my @pkg = @TERM_EXT;
906	@TERM_EXT = ();	680	@TERM_EXT = ();
907	$TERM->register_package ($_) for @pkg;	681	$TERM->register_package ($_) for @pkg;
908	}	682	}
909		683
		684	for (
		685	@{ delete $TERM->{perl_ext_3} },
910	for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {	686	grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2
		687	) {
911	if ($_ eq "default") {	688	if ($_ eq "default") {
912	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline);	689	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline);
913	} elsif (/^-(.*)$/) {	690	} elsif (/^-(.*)$/) {
914	delete $ext_arg{$1};	691	delete $ext_arg{$1};
915	} elsif (/^([^<]+)<(.*)>$/) {	692	} elsif (/^([^<]+)<(.*)>$/) {
…		…
937		714
938	if (my $cb = $TERM->{_hook}[$htype]) {	715	if (my $cb = $TERM->{_hook}[$htype]) {
939	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"	716	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
940	if $verbosity >= 10;	717	if $verbosity >= 10;
941		718
942	for my $pkg (keys %$cb) {	719	for my $pkg (
		720	# this hook is only sent to the extension with the name
		721	# matching the first arg
		722	$htype == HOOK_KEYBOARD_DISPATCH
		723	? exists $cb->{"urxvt::ext::$_[0]"} ? "urxvt::ext::" . shift : return undef
		724	: keys %$cb
		725	) {
943	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg}, @_) };	726	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg} || $TERM, @_) };
944	$retval ||= $retval_;	727	$retval ||= $retval_;
945		728
946	if ($@) {	729	if ($@) {
947	$TERM->ungrab; # better to lose the grab than the session	730	$TERM->ungrab; # better to lose the grab than the session
948	warn $@;	731	warn $@;
…		…
951		734
952	verbose 11, "$HOOKNAME[$htype] returning <$retval>"	735	verbose 11, "$HOOKNAME[$htype] returning <$retval>"
953	if $verbosity >= 11;	736	if $verbosity >= 11;
954	}	737	}
955		738
956	if ($htype == 1) { # DESTROY	739	if ($htype == HOOK_DESTROY) {
957	# clear package objects	740	# clear package objects
958	%$_ = () for values %{ $TERM->{_pkg} };	741	%$_ = () for values %{ $TERM->{_pkg} };
959		742
960	# clear package	743	# clear package
961	%$TERM = ();	744	%$TERM = ();
…		…
966		749
967	sub SET_COLOR($$$) {	750	sub SET_COLOR($$$) {
968	SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])	751	SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
969	}	752	}
970		753
971	# urxvt::term::extension	754	sub rend2mask {
		755	no strict 'refs';
		756	my ($str, $mask) = (@_, 0);
		757	my %color = ( fg => undef, bg => undef );
		758	my @failed;
		759	for my $spec ( split /\s+/, $str ) {
		760	if ( $spec =~ /^([fb]g)[_:-]?(\d+)/i ) {
		761	$color{lc($1)} = $2;
		762	} else {
		763	my $neg = $spec =~ s/^[-^]//;
		764	unless ( exists &{"RS_$spec"} ) {
		765	push @failed, $spec;
		766	next;
		767	}
		768	my $cur = &{"RS_$spec"};
		769	if ( $neg ) {
		770	$mask &= ~$cur;
		771	} else {
		772	$mask |= $cur;
		773	}
		774	}
		775	}
		776	($mask, @color{qw(fg bg)}, \@failed)
		777	}
972		778
973	package urxvt::term::extension;	779	package urxvt::term::extension;
974		780
975	sub enable {	781	=head2 The C<urxvt::term::extension> class
976	my ($self, %hook) = @_;
977	my $pkg = $self->{_pkg};
978		782
979	while (my ($name, $cb) = each %hook) {	783	Each extension attached to a terminal object is represented by
980	my $htype = $HOOKTYPE{uc $name};	784	a C<urxvt::term::extension> object.
981	defined $htype
982	or Carp::croak "unsupported hook type '$name'";
983		785
984	$self->set_should_invoke ($htype, +1)	786	You can use these objects, which are passed to all callbacks to store any
985	unless exists $self->{term}{_hook}[$htype]{$pkg};	787	state related to the terminal and extension instance.
986		788
987	$self->{term}{_hook}[$htype]{$pkg} = $cb;	789	The methods (And data members) documented below can be called on extension
988	}	790	objects, in addition to call methods documented for the <urxvt::term>
989	}	791	class.
990		792
991	sub disable {	793	=over 4
992	my ($self, @hook) = @_;
993	my $pkg = $self->{_pkg};
994		794
995	for my $name (@hook) {	795	=item $urxvt_term = $self->{term}
996	my $htype = $HOOKTYPE{uc $name};
997	defined $htype
998	or Carp::croak "unsupported hook type '$name'";
999		796
1000	$self->set_should_invoke ($htype, -1)	797	Returns the C<urxvt::term> object associated with this instance of the
1001	if delete $self->{term}{_hook}[$htype]{$pkg};	798	extension. This member I<must not> be changed in any way.
1002	}	799
1003	}	800	=cut
1004		801
1005	our $AUTOLOAD;	802	our $AUTOLOAD;
1006		803
1007	sub AUTOLOAD {	804	sub AUTOLOAD {
1008	$AUTOLOAD =~ /:([^:]+)$/	805	$AUTOLOAD =~ /:([^:]+)$/
…		…
1021		818
1022	sub DESTROY {	819	sub DESTROY {
1023	# nop	820	# nop
1024	}	821	}
1025		822
1026	# urxvt::destroy_hook	823	# urxvt::destroy_hook (basically a cheap Guard:: implementation)
1027		824
1028	sub urxvt::destroy_hook::DESTROY {	825	sub urxvt::destroy_hook::DESTROY {
1029	${$_[0]}->();	826	${$_[0]}->();
1030	}	827	}
1031		828
1032	sub urxvt::destroy_hook(&) {	829	sub urxvt::destroy_hook(&) {
1033	bless \shift, urxvt::destroy_hook::	830	bless \shift, urxvt::destroy_hook::
1034	}	831	}
		832
		833	=item $self->enable ($hook_name => $cb[, $hook_name => $cb..])
		834
		835	Dynamically enable the given hooks (named without the C<on_> prefix) for
		836	this extension, replacing any hook previously installed via C<enable> in
		837	this extension.
		838
		839	This is useful when you want to overwrite time-critical hooks only
		840	temporarily.
		841
		842	To install additional callbacks for the same hook, you can use the C<on>
		843	method of the C<urxvt::term> class.
		844
		845	=item $self->disable ($hook_name[, $hook_name..])
		846
		847	Dynamically disable the given hooks.
		848
		849	=cut
		850
		851	sub enable {
		852	my ($self, %hook) = @_;
		853	my $pkg = $self->{_pkg};
		854
		855	while (my ($name, $cb) = each %hook) {
		856	my $htype = $HOOKTYPE{uc $name};
		857	defined $htype
		858	or Carp::croak "unsupported hook type '$name'";
		859
		860	$self->set_should_invoke ($htype, +1)
		861	unless exists $self->{term}{_hook}[$htype]{$pkg};
		862
		863	$self->{term}{_hook}[$htype]{$pkg} = $cb;
		864	}
		865	}
		866
		867	sub disable {
		868	my ($self, @hook) = @_;
		869	my $pkg = $self->{_pkg};
		870
		871	for my $name (@hook) {
		872	my $htype = $HOOKTYPE{uc $name};
		873	defined $htype
		874	or Carp::croak "unsupported hook type '$name'";
		875
		876	$self->set_should_invoke ($htype, -1)
		877	if delete $self->{term}{_hook}[$htype]{$pkg};
		878	}
		879	}
		880
		881	=item $guard = $self->on ($hook_name => $cb[, $hook_name => $cb..])
		882
		883	Similar to the C<enable> enable, but installs additional callbacks for
		884	the given hook(s) (that is, it doesn't replace existing callbacks), and
		885	returns a guard object. When the guard object is destroyed the callbacks
		886	are disabled again.
		887
		888	=cut
		889
		890	sub urxvt::extension::on_disable::DESTROY {
		891	my $disable = shift;
		892
		893	my $term = delete $disable->{""};
		894
		895	while (my ($htype, $id) = each %$disable) {
		896	delete $term->{_hook}[$htype]{$id};
		897	$term->set_should_invoke ($htype, -1);
		898	}
		899	}
		900
		901	sub on {
		902	my ($self, %hook) = @_;
		903
		904	my $term = $self->{term};
		905
		906	my %disable = ( "" => $term );
		907
		908	while (my ($name, $cb) = each %hook) {
		909	my $htype = $HOOKTYPE{uc $name};
		910	defined $htype
		911	or Carp::croak "unsupported hook type '$name'";
		912
		913	$term->set_should_invoke ($htype, +1);
		914	$term->{_hook}[$htype]{ $disable{$htype} = $cb+0 }
		915	= sub { shift; $cb->($self, @_) }; # very ugly indeed
		916	}
		917
		918	bless \%disable, "urxvt::extension::on_disable"
		919	}
		920
		921	=item $self->x_resource ($pattern)
		922
		923	=item $self->x_resource_boolean ($pattern)
		924
		925	These methods support an additional C<%> prefix when called on an
		926	extension object - see the description of these methods in the
		927	C<urxvt::term> class for details.
		928
		929	=cut
		930
		931	sub x_resource {
		932	my ($self, $name) = @_;
		933	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		934	$self->{term}->x_resource ($name)
		935	}
		936
		937	sub x_resource_boolean {
		938	my ($self, $name) = @_;
		939	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		940	$self->{term}->x_resource_boolean ($name)
		941	}
		942
		943	=back
		944
		945	=cut
1035		946
1036	package urxvt::anyevent;	947	package urxvt::anyevent;
1037		948
1038	=head2 The C<urxvt::anyevent> Class	949	=head2 The C<urxvt::anyevent> Class
1039		950
1040	The sole purpose of this class is to deliver an interface to the	951	The sole purpose of this class is to deliver an interface to the
1041	C<AnyEvent> module - any module using it will work inside urxvt without	952	C<AnyEvent> module - any module using it will work inside urxvt without
1042	further programming. The only exception is that you cannot wait on	953	further programming. The only exception is that you cannot wait on
1043	condition variables, but non-blocking condvar use is ok. What this means	954	condition variables, but non-blocking condvar use is ok.
1044	is that you cannot use blocking APIs, but the non-blocking variant should
1045	work.
1046		955
1047	=cut	956	In practical terms this means is that you cannot use blocking APIs, but
		957	the non-blocking variant should work.
1048		958
		959	=cut
		960
1049	our $VERSION = 1;	961	our $VERSION = '5.23';
1050		962
1051	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there	963	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
1052	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];	964	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
1053		965
1054	sub timer {	966	sub timer {
…		…
1056		968
1057	my $cb = $arg{cb};	969	my $cb = $arg{cb};
1058		970
1059	urxvt::timer	971	urxvt::timer
1060	->new	972	->new
1061	->start (urxvt::NOW + $arg{after})	973	->after ($arg{after}, $arg{interval})
1062	->cb (sub {	974	->cb ($arg{interval} ? $cb : sub {
1063	$_[0]->stop; # need to cancel manually	975	$_[0]->stop; # need to cancel manually
1064	$cb->();	976	$cb->();
1065	})	977	})
1066	}	978	}
1067		979
1068	sub io {	980	sub io {
1069	my ($class, %arg) = @_;	981	my ($class, %arg) = @_;
1070		982
1071	my $cb = $arg{cb};	983	my $cb = $arg{cb};
		984	my $fd = fileno $arg{fh};
		985	defined $fd or $fd = $arg{fh};
1072		986
1073	bless [$arg{fh}, urxvt::iow	987	bless [$arg{fh}, urxvt::iow
1074	->new	988	->new
1075	->fd (fileno $arg{fh})	989	->fd ($fd)
1076	->events (($arg{poll} =~ /r/ ? 1 : 0)	990	->events (($arg{poll} =~ /r/ ? 1 : 0)
1077	| ($arg{poll} =~ /w/ ? 2 : 0))	991	| ($arg{poll} =~ /w/ ? 2 : 0))
1078	->start	992	->start
1079	->cb (sub {	993	->cb ($cb)
1080	$cb->(($_[1] & 1 ? 'r' : '')
1081	. ($_[1] & 2 ? 'w' : ''));
1082	})],
1083	urxvt::anyevent::	994	], urxvt::anyevent::
		995	}
		996
		997	sub idle {
		998	my ($class, %arg) = @_;
		999
		1000	my $cb = $arg{cb};
		1001
		1002	urxvt::iw
		1003	->new
		1004	->start
		1005	->cb ($cb)
		1006	}
		1007
		1008	sub child {
		1009	my ($class, %arg) = @_;
		1010
		1011	my $cb = $arg{cb};
		1012
		1013	urxvt::pw
		1014	->new
		1015	->start ($arg{pid})
		1016	->cb (sub {
		1017	$_[0]->stop; # need to cancel manually
		1018	$cb->($_[0]->rpid, $_[0]->rstatus);
		1019	})
1084	}	1020	}
1085		1021
1086	sub DESTROY {	1022	sub DESTROY {
1087	$_[0][1]->stop;	1023	$_[0][1]->stop;
1088	}	1024	}
1089		1025
1090	sub condvar {	1026	# only needed for AnyEvent < 6 compatibility
1091	bless \my $flag, urxvt::anyevent::condvar::	1027	sub one_event {
1092	}
1093
1094	sub urxvt::anyevent::condvar::broadcast {
1095	${$_[0]}++;
1096	}
1097
1098	sub urxvt::anyevent::condvar::wait {
1099	unless (${$_[0]}) {
1100	Carp::croak "AnyEvent->condvar blocking wait unsupported in urxvt, use a non-blocking API";	1028	Carp::croak "AnyEvent->one_event blocking wait unsupported in urxvt, use a non-blocking API";
1101	}
1102	}	1029	}
1103		1030
1104	package urxvt::term;	1031	package urxvt::term;
1105		1032
1106	=head2 The C<urxvt::term> Class	1033	=head2 The C<urxvt::term> Class
…		…
1119	urxvt::verbose 6, "register package $pkg to $self";	1046	urxvt::verbose 6, "register package $pkg to $self";
1120		1047
1121	@{"$pkg\::ISA"} = urxvt::term::extension::;	1048	@{"$pkg\::ISA"} = urxvt::term::extension::;
1122		1049
1123	my $proxy = bless {	1050	my $proxy = bless {
1124	_pkg => $pkg,	1051	_pkg => $pkg,
		1052	_name => ${"$pkg\::_NAME"}, # hackish
1125	argv => $argv,	1053	argv => $argv,
1126	}, $pkg;	1054	}, $pkg;
1127	Scalar::Util::weaken ($proxy->{term} = $self);	1055	Scalar::Util::weaken ($proxy->{term} = $self);
1128		1056
1129	$self->{_pkg}{$pkg} = $proxy;	1057	$self->{_pkg}{$pkg} = $proxy;
1130		1058
…		…
1133	$proxy->enable ($name => $ref);	1061	$proxy->enable ($name => $ref);
1134	}	1062	}
1135	}	1063	}
1136	}	1064	}
1137		1065
		1066	sub perl_libdirs {
		1067	map { split /:/ }
		1068	$_[0]->resource ("perl_lib"),
		1069	$ENV{URXVT_PERL_LIB},
		1070	"$ENV{HOME}/.urxvt/ext",
		1071	"$LIBDIR/perl"
		1072	}
		1073
		1074	sub scan_meta {
		1075	my ($self) = @_;
		1076	my @libdirs = perl_libdirs $self;
		1077
		1078	return if $self->{meta_libdirs} eq join "\x00", @libdirs;
		1079
		1080	my %meta;
		1081
		1082	$self->{meta_libdirs} = join "\x00", @libdirs;
		1083	$self->{meta} = \%meta;
		1084
		1085	for my $dir (reverse @libdirs) {
		1086	opendir my $fh, $dir
		1087	or next;
		1088	for my $ext (readdir $fh) {
		1089	$ext !~ /^\./
		1090	and open my $fh, "<", "$dir/$ext"
		1091	or next;
		1092
		1093	while (<$fh>) {
		1094	if (/^#:META:X_RESOURCE:(.*)/) {
		1095	my ($pattern, $type, $desc) = split /:/, $1;
		1096	$pattern =~ s/^%(\.|$)/$ext$1/g; # % in pattern == extension name
		1097	if ($pattern =~ /[^a-zA-Z0-9\-\.]/) {
		1098	warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n";
		1099	} else {
		1100	$meta{resource}{$pattern} = [$ext, $type, $desc];
		1101	}
		1102	} elsif (/^\s*(?:#|$)/) {
		1103	# skip other comments and empty lines
		1104	} else {
		1105	last; # stop parsing on first non-empty non-comment line
		1106	}
		1107	}
		1108	}
		1109	}
		1110	}
		1111
1138	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]	1112	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
1139		1113
1140	Creates a new terminal, very similar as if you had started it with system	1114	Creates a new terminal, very similar as if you had started it with system
1141	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like	1115	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
1142	hash which defines the environment of the new terminal.	1116	hash which defines the environment of the new terminal.
…		…
1159	}	1133	}
1160		1134
1161	=item $term->destroy	1135	=item $term->destroy
1162		1136
1163	Destroy the terminal object (close the window, free resources	1137	Destroy the terminal object (close the window, free resources
1164	etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event	1138	etc.). Please note that urxvt will not exit as long as any event
1165	watchers (timers, io watchers) are still active.	1139	watchers (timers, io watchers) are still active.
1166		1140
1167	=item $term->exec_async ($cmd[, @args])	1141	=item $term->exec_async ($cmd[, @args])
1168		1142
1169	Works like the combination of the C<fork>/C<exec> builtins, which executes	1143	Works like the combination of the C<fork>/C<exec> builtins, which executes
…		…
1193		1167
1194	Returns true if the option specified by C<$optval> is enabled, and	1168	Returns true if the option specified by C<$optval> is enabled, and
1195	optionally change it. All option values are stored by name in the hash	1169	optionally change it. All option values are stored by name in the hash
1196	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.	1170	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
1197		1171
1198	Here is a a likely non-exhaustive list of option names, please see the	1172	Here is a likely non-exhaustive list of option names, please see the
1199	source file F</src/optinc.h> to see the actual list:	1173	source file F</src/optinc.h> to see the actual list:
1200		1174
1201	borderLess console cursorBlink cursorUnderline hold iconic insecure	1175	borderLess buffered console cursorBlink cursorUnderline hold iconic
1202	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage	1176	insecure intensityStyles iso14755 iso14755_52 jumpScroll loginShell
1203	override-redirect pastableTabs pointerBlank reverseVideo scrollBar	1177	mapAlert meta8 mouseWheelScrollPage override_redirect pastableTabs
1204	scrollBar_floating scrollBar_right scrollTtyKeypress scrollTtyOutput	1178	pointerBlank reverseVideo scrollBar scrollBar_floating scrollBar_right
1205	scrollWithBuffer secondaryScreen secondaryScroll skipBuiltinGlyphs	1179	scrollTtyKeypress scrollTtyOutput scrollWithBuffer secondaryScreen
1206	transparent tripleclickwords utmpInhibit visualBell	1180	secondaryScroll skipBuiltinGlyphs skipScroll transparent tripleclickwords
		1181	urgentOnBell utmpInhibit visualBell
1207		1182
1208	=item $value = $term->resource ($name[, $newval])	1183	=item $value = $term->resource ($name[, $newval])
1209		1184
1210	Returns the current resource value associated with a given name and	1185	Returns the current resource value associated with a given name and
1211	optionally sets a new value. Setting values is most useful in the C<init>	1186	optionally sets a new value. Setting values is most useful in the C<init>
…		…
1220	likely change).	1195	likely change).
1221		1196
1222	Please note that resource strings will currently only be freed when the	1197	Please note that resource strings will currently only be freed when the
1223	terminal is destroyed, so changing options frequently will eat memory.	1198	terminal is destroyed, so changing options frequently will eat memory.
1224		1199
1225	Here is a a likely non-exhaustive list of resource names, not all of which	1200	Here is a likely non-exhaustive list of resource names, not all of which
1226	are supported in every build, please see the source file F</src/rsinc.h>	1201	are supported in every build, please see the source file F</src/rsinc.h>
1227	to see the actual list:	1202	to see the actual list:
1228		1203
1229	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont	1204	answerbackstring backgroundPixmap backspace_key blurradius
1230	borderLess color cursorBlink cursorUnderline cutchars delete_key	1205	boldFont boldItalicFont borderLess buffered chdir color cursorBlink
1231	display_name embed ext_bwidth fade font geometry hold iconName	1206	cursorUnderline cutchars delete_key depth display_name embed ext_bwidth
1232	imFont imLocale inputMethod insecure int_bwidth intensityStyles	1207	fade font geometry hold iconName iconfile imFont imLocale inputMethod
		1208	insecure int_bwidth intensityStyles iso14755 iso14755_52 italicFont
1233	italicFont jumpScroll lineSpace loginShell mapAlert meta8 modifier	1209	jumpScroll letterSpace lineSpace loginShell mapAlert meta8 modifier
1234	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval	1210	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
1235	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay	1211	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
1236	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar	1212	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
1237	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness	1213	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
1238	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle	1214	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
1239	secondaryScreen secondaryScroll selectstyle shade term_name title	1215	secondaryScreen secondaryScroll shade skipBuiltinGlyphs skipScroll
1240	transient_for transparent transparent_all tripleclickwords utmpInhibit	1216	term_name title transient_for transparent tripleclickwords urgentOnBell
1241	visualBell	1217	utmpInhibit visualBell
1242		1218
1243	=cut	1219	=cut
1244		1220
1245	sub resource($$;$) {	1221	sub resource($$;$) {
1246	my ($self, $name) = (shift, shift);	1222	my ($self, $name) = (shift, shift);
1247	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);	1223	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
1248	&urxvt::term::_resource	1224	goto &urxvt::term::_resource
1249	}	1225	}
1250		1226
1251	=item $value = $term->x_resource ($pattern)	1227	=item $value = $term->x_resource ($pattern)
1252		1228
1253	Returns the X-Resource for the given pattern, excluding the program or	1229	Returns the X-Resource for the given pattern, excluding the program or
1254	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the	1230	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
1255	same value as used by this instance of rxvt-unicode. Returns C<undef> if no	1231	same value as used by this instance of rxvt-unicode. Returns C<undef> if no
1256	resource with that pattern exists.	1232	resource with that pattern exists.
1257		1233
		1234	Extensions that define extra resource or command line arguments also need
		1235	to call this method to access their values.
		1236
		1237	If the method is called on an extension object (basically, from an
		1238	extension), then the special prefix C<%.> will be replaced by the name of
		1239	the extension and a dot, and the lone string C<%> will be replaced by the
		1240	extension name itself. This makes it possible to code extensions so you
		1241	can rename them and get a new set of commandline switches and resources
		1242	without having to change the actual code.
		1243
1258	This method should only be called during the C<on_start> hook, as there is	1244	This method should only be called during the C<on_start> hook, as there is
1259	only one resource database per display, and later invocations might return	1245	only one resource database per display, and later invocations might return
1260	the wrong resources.	1246	the wrong resources.
1261		1247
1262	=item $success = $term->parse_keysym ($keysym_spec, $command_string)	1248	=item $value = $term->x_resource_boolean ($pattern)
1263		1249
		1250	Like C<x_resource>, above, but interprets the string value as a boolean
		1251	and returns C<1> for true values, C<0> for false values and C<undef> if
		1252	the resource or option isn't specified.
		1253
		1254	You should always use this method to parse boolean resources.
		1255
		1256	=cut
		1257
		1258	sub x_resource_boolean {
		1259	my $res = &x_resource;
		1260
		1261	$res =~ /^\s*(?:true|yes|on|1)\s*$/i ? 1 : defined $res && 0
		1262	}
		1263
		1264	=item $success = $term->parse_keysym ($key, $octets)
		1265
1264	Adds a keymap translation exactly as specified via a resource. See the	1266	Adds a key binding exactly as specified via a resource. See the
1265	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.	1267	C<keysym> resource in the urxvt(1) manpage.
		1268
		1269	=item $term->register_command ($keysym, $modifiermask, $string)
		1270
		1271	Adds a key binding. This is a lower level api compared to
		1272	C<parse_keysym>, as it expects a parsed key description, and can be
		1273	used only inside either the C<on_init> hook, to add a binding, or the
		1274	C<on_register_command> hook, to modify a parsed binding.
1266		1275
1267	=item $rend = $term->rstyle ([$new_rstyle])	1276	=item $rend = $term->rstyle ([$new_rstyle])
1268		1277
1269	Return and optionally change the current rendition. Text that is output by	1278	Return and optionally change the current rendition. Text that is output by
1270	the terminal application will use this style.	1279	the terminal application will use this style.
…		…
1278		1287
1279	=item ($row, $col) = $term->selection_beg ([$row, $col])	1288	=item ($row, $col) = $term->selection_beg ([$row, $col])
1280		1289
1281	=item ($row, $col) = $term->selection_end ([$row, $col])	1290	=item ($row, $col) = $term->selection_end ([$row, $col])
1282		1291
1283	Return the current values of the selection mark, begin or end positions,	1292	Return the current values of the selection mark, begin or end positions.
1284	and optionally set them to new values.	1293
		1294	When arguments are given, then the selection coordinates are set to
		1295	C<$row> and C<$col>, and the selection screen is set to the current
		1296	screen.
		1297
		1298	=item $screen = $term->selection_screen ([$screen])
		1299
		1300	Returns the current selection screen, and then optionally sets it.
1285		1301
1286	=item $term->selection_make ($eventtime[, $rectangular])	1302	=item $term->selection_make ($eventtime[, $rectangular])
1287		1303
1288	Tries to make a selection as set by C<selection_beg> and	1304	Tries to make a selection as set by C<selection_beg> and
1289	C<selection_end>. If C<$rectangular> is true (default: false), a	1305	C<selection_end>. If C<$rectangular> is true (default: false), a
1290	rectangular selection will be made. This is the prefered function to make	1306	rectangular selection will be made. This is the preferred function to make
1291	a selection.	1307	a selection.
1292		1308
1293	=item $success = $term->selection_grab ($eventtime)	1309	=item $success = $term->selection_grab ($eventtime[, $clipboard])
1294		1310
1295	Try to request the primary selection text from the server (for example, as	1311	Try to acquire ownership of the primary (clipboard if C<$clipboard> is
		1312	true) selection from the server. The corresponding text can be set
1296	set by the next method). No visual feedback will be given. This function	1313	with the next method. No visual feedback will be given. This function
1297	is mostly useful from within C<on_sel_grab> hooks.	1314	is mostly useful from within C<on_sel_grab> hooks.
1298		1315
1299	=item $oldtext = $term->selection ([$newtext])	1316	=item $oldtext = $term->selection ([$newtext, $clipboard])
1300		1317
1301	Return the current selection text and optionally replace it by C<$newtext>.	1318	Return the current selection (clipboard if C<$clipboard> is true) text
		1319	and optionally replace it by C<$newtext>.
		1320
		1321	=item $term->selection_clear ([$clipboard])
		1322
		1323	Revoke ownership of the primary (clipboard if C<$clipboard> is true) selection.
1302		1324
1303	=item $term->overlay_simple ($x, $y, $text)	1325	=item $term->overlay_simple ($x, $y, $text)
1304		1326
1305	Create a simple multi-line overlay box. See the next method for details.	1327	Create a simple multi-line overlay box. See the next method for details.
1306		1328
…		…
1336		1358
1337	The methods currently supported on C<urxvt::overlay> objects are:	1359	The methods currently supported on C<urxvt::overlay> objects are:
1338		1360
1339	=over 4	1361	=over 4
1340		1362
1341	=item $overlay->set ($x, $y, $text, $rend)	1363	=item $overlay->set ($x, $y, $text[, $rend])
1342		1364
1343	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts	1365	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts
1344	text in rxvt-unicode's special encoding and an array of rendition values	1366	text in rxvt-unicode's special encoding and an array of rendition values
1345	at a specific position inside the overlay.	1367	at a specific position inside the overlay.
		1368
		1369	If C<$rend> is missing, then the rendition will not be changed.
1346		1370
1347	=item $overlay->hide	1371	=item $overlay->hide
1348		1372
1349	If visible, hide the overlay, but do not destroy it.	1373	If visible, hide the overlay, but do not destroy it.
1350		1374
…		…
1432	locale-specific encoding of the terminal and can contain command sequences	1456	locale-specific encoding of the terminal and can contain command sequences
1433	(escape codes) that will be interpreted.	1457	(escape codes) that will be interpreted.
1434		1458
1435	=item $term->tt_write ($octets)	1459	=item $term->tt_write ($octets)
1436		1460
1437	Write the octets given in C<$data> to the tty (i.e. as program input). To	1461	Write the octets given in C<$octets> to the tty (i.e. as program input). To
1438	pass characters instead of octets, you should convert your strings first	1462	pass characters instead of octets, you should convert your strings first
1439	to the locale-specific encoding using C<< $term->locale_encode >>.	1463	to the locale-specific encoding using C<< $term->locale_encode >>.
		1464
		1465	=item $term->tt_paste ($octets)
		1466
		1467	Write the octets given in C<$octets> to the tty as a paste, converting NL to
		1468	CR and bracketing the data with control sequences if bracketed paste mode
		1469	is set.
1440		1470
1441	=item $old_events = $term->pty_ev_events ([$new_events])	1471	=item $old_events = $term->pty_ev_events ([$new_events])
1442		1472
1443	Replaces the event mask of the pty watcher by the given event mask. Can	1473	Replaces the event mask of the pty watcher by the given event mask. Can
1444	be used to suppress input and output handling to the pty/tty. See the	1474	be used to suppress input and output handling to the pty/tty. See the
…		…
1463	Adds the specified events to the vt event mask. Useful e.g. when you want	1493	Adds the specified events to the vt event mask. Useful e.g. when you want
1464	to receive pointer events all the times:	1494	to receive pointer events all the times:
1465		1495
1466	$term->vt_emask_add (urxvt::PointerMotionMask);	1496	$term->vt_emask_add (urxvt::PointerMotionMask);
1467		1497
		1498	=item $term->set_urgency ($set)
		1499
		1500	Enable/disable the urgency hint on the toplevel window.
		1501
1468	=item $term->focus_in	1502	=item $term->focus_in
1469		1503
1470	=item $term->focus_out	1504	=item $term->focus_out
1471		1505
1472	=item $term->key_press ($state, $keycode[, $time])	1506	=item $term->key_press ($state, $keycode[, $time])
…		…
1542		1576
1543	Returns the currently displayed screen (0 primary, 1 secondary).	1577	Returns the currently displayed screen (0 primary, 1 secondary).
1544		1578
1545	=item $cursor_is_hidden = $term->hidden_cursor	1579	=item $cursor_is_hidden = $term->hidden_cursor
1546		1580
1547	Returns wether the cursor is currently hidden or not.	1581	Returns whether the cursor is currently hidden or not.
1548		1582
1549	=item $view_start = $term->view_start ([$newvalue])	1583	=item $view_start = $term->view_start ([$newvalue])
1550		1584
1551	Returns the row number of the topmost displayed line. Maximum value is	1585	Returns the row number of the topmost displayed line. Maximum value is
1552	C<0>, which displays the normal terminal contents. Lower values scroll	1586	C<0>, which displays the normal terminal contents. Lower values scroll
…		…
1560		1594
1561	Used after changing terminal contents to display them.	1595	Used after changing terminal contents to display them.
1562		1596
1563	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])	1597	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
1564		1598
1565	Returns the text of the entire row with number C<$row_number>. Row C<0>	1599	Returns the text of the entire row with number C<$row_number>. Row C<< $term->top_row >>
1566	is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost	1600	is the topmost terminal line, row C<< $term->nrow-1 >> is the bottommost
1567	terminal line. The scrollback buffer starts at line C<-1> and extends to
1568	line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line	1601	terminal line. Nothing will be returned if a nonexistent line
1569	is requested.	1602	is requested.
1570		1603
1571	If C<$new_text> is specified, it will replace characters in the current	1604	If C<$new_text> is specified, it will replace characters in the current
1572	line, starting at column C<$start_col> (default C<0>), which is useful	1605	line, starting at column C<$start_col> (default C<0>), which is useful
1573	to replace only parts of a line. The font index in the rendition will	1606	to replace only parts of a line. The font index in the rendition will
1574	automatically be updated.	1607	automatically be updated.
1575		1608
1576	C<$text> is in a special encoding: tabs and wide characters that use more	1609	C<$text> is in a special encoding: tabs and wide characters that use more
1577	than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)	1610	than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
1578	characters. Characters with combining characters and other characters that	1611	characters. Characters with combining characters and other characters that
1579	do not fit into the normal tetx encoding will be replaced with characters	1612	do not fit into the normal text encoding will be replaced with characters
1580	in the private use area.	1613	in the private use area.
1581		1614
1582	You have to obey this encoding when changing text. The advantage is	1615	You have to obey this encoding when changing text. The advantage is
1583	that C<substr> and similar functions work on screen cells and not on	1616	that C<substr> and similar functions work on screen cells and not on
1584	characters.	1617	characters.
…		…
1669	}	1702	}
1670		1703
1671	sub urxvt::line::t {	1704	sub urxvt::line::t {
1672	my ($self) = @_;	1705	my ($self) = @_;
1673		1706
1674	if (@_ > 1)	1707	if (@_ > 1) {
1675	{
1676	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1708	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1677	for $self->{beg} .. $self->{end};	1709	for $self->{beg} .. $self->{end};
1678	}	1710	}
1679		1711
1680	defined wantarray &&	1712	defined wantarray &&
1681	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),	1713	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),
1682	0, $self->{len}	1714	0, $self->{len}
1683	}	1715	}
1684		1716
1685	sub urxvt::line::r {	1717	sub urxvt::line::r {
1686	my ($self) = @_;	1718	my ($self) = @_;
1687		1719
1688	if (@_ > 1)	1720	if (@_ > 1) {
1689	{
1690	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1721	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1691	for $self->{beg} .. $self->{end};	1722	for $self->{beg} .. $self->{end};
1692	}	1723	}
1693		1724
1694	if (defined wantarray) {	1725	if (defined wantarray) {
1695	my $rend = [	1726	my $rend = [
1696	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}	1727	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}
1697	];	1728	];
…		…
1729	where one character corresponds to one screen cell. See	1760	where one character corresponds to one screen cell. See
1730	C<< $term->ROW_t >> for details.	1761	C<< $term->ROW_t >> for details.
1731		1762
1732	=item $string = $term->special_decode $text	1763	=item $string = $term->special_decode $text
1733		1764
1734	Converts rxvt-unicodes text reprsentation into a perl string. See	1765	Converts rxvt-unicodes text representation into a perl string. See
1735	C<< $term->ROW_t >> for details.	1766	C<< $term->ROW_t >> for details.
1736		1767
1737	=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])	1768	=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
1738		1769
1739	=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])	1770	=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
…		…
1742	manpage.	1773	manpage.
1743		1774
1744	=item $success = $term->grab ($eventtime[, $sync])	1775	=item $success = $term->grab ($eventtime[, $sync])
1745		1776
1746	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or	1777	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1747	synchronous (C<$sync> is true). Also remembers the grab timestampe.	1778	synchronous (C<$sync> is true). Also remembers the grab timestamp.
1748		1779
1749	=item $term->allow_events_async	1780	=item $term->allow_events_async
1750		1781
1751	Calls XAllowEvents with AsyncBoth for the most recent grab.	1782	Calls XAllowEvents with AsyncBoth for the most recent grab.
1752		1783
…		…
1759	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most	1790	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
1760	recent grab.	1791	recent grab.
1761		1792
1762	=item $term->ungrab	1793	=item $term->ungrab
1763		1794
1764	Calls XUngrab for the most recent grab. Is called automatically on	1795	Calls XUngrabPointer and XUngrabKeyboard for the most recent grab. Is called automatically on
1765	evaluation errors, as it is better to lose the grab in the error case as	1796	evaluation errors, as it is better to lose the grab in the error case as
1766	the session.	1797	the session.
1767		1798
1768	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])	1799	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
1769		1800
…		…
1771		1802
1772	=item @atoms = $term->XListProperties ($window)	1803	=item @atoms = $term->XListProperties ($window)
1773		1804
1774	=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)	1805	=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
1775		1806
1776	=item $term->XChangeWindowProperty ($window, $property, $type, $format, $octets)	1807	=item $term->XChangeProperty ($window, $property, $type, $format, $octets)
1777		1808
1778	=item $term->XDeleteProperty ($window, $property)	1809	=item $term->XDeleteProperty ($window, $property)
1779		1810
1780	=item $window = $term->DefaultRootWindow	1811	=item $window = $term->DefaultRootWindow
1781		1812
…		…
1788	=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)	1819	=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
1789		1820
1790	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)	1821	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
1791		1822
1792	=item $term->XChangeInput ($window, $add_events[, $del_events])	1823	=item $term->XChangeInput ($window, $add_events[, $del_events])
		1824
		1825	=item $keysym = $term->XStringToKeysym ($string)
		1826
		1827	=item $string = $term->XKeysymToString ($keysym)
1793		1828
1794	Various X or X-related functions. The C<$term> object only serves as	1829	Various X or X-related functions. The C<$term> object only serves as
1795	the source of the display, otherwise those functions map more-or-less	1830	the source of the display, otherwise those functions map more-or-less
1796	directory onto the X functions of the same name.	1831	directly onto the X functions of the same name.
1797		1832
1798	=back	1833	=back
1799		1834
1800	=cut	1835	=cut
1801		1836
…		…
1903	my $env = $self->{term}->env;	1938	my $env = $self->{term}->env;
1904	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.	1939	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
1905	delete $env->{LC_ALL};	1940	delete $env->{LC_ALL};
1906	$env->{LC_CTYPE} = $self->{term}->locale;	1941	$env->{LC_CTYPE} = $self->{term}->locale;
1907		1942
1908	urxvt::term->new ($env, "popup",	1943	my $term = urxvt::term->new (
		1944	$env, "popup",
1909	"--perl-lib" => "", "--perl-ext-common" => "",	1945	"--perl-lib" => "", "--perl-ext-common" => "",
1910	"-pty-fd" => -1, "-sl" => 0,	1946	"-pty-fd" => -1, "-sl" => 0,
1911	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",	1947	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1912	"--transient-for" => $self->{term}->parent,	1948	"--transient-for" => $self->{term}->parent,
1913	"-display" => $self->{term}->display_id,	1949	"-display" => $self->{term}->display_id,
1914	"-pe" => "urxvt-popup")	1950	"-pe" => "urxvt-popup",
1915	or die "unable to create popup window\n";	1951	) or die "unable to create popup window\n";
		1952
		1953	unless (delete $term->{urxvt_popup_init_done}) {
		1954	$term->ungrab;
		1955	$term->destroy;
		1956	die "unable to initialise popup window\n";
		1957	}
1916	}	1958	}
1917		1959
1918	sub DESTROY {	1960	sub DESTROY {
1919	my ($self) = @_;	1961	my ($self) = @_;
1920		1962
…		…
1925	=back	1967	=back
1926		1968
1927	=cut	1969	=cut
1928		1970
1929	package urxvt::watcher;	1971	package urxvt::watcher;
1930
1931	@urxvt::timer::ISA = __PACKAGE__;
1932	@urxvt::iow::ISA = __PACKAGE__;
1933	@urxvt::pw::ISA = __PACKAGE__;
1934	@urxvt::iw::ISA = __PACKAGE__;
1935		1972
1936	=head2 The C<urxvt::timer> Class	1973	=head2 The C<urxvt::timer> Class
1937		1974
1938	This class implements timer watchers/events. Time is represented as a	1975	This class implements timer watchers/events. Time is represented as a
1939	fractional number of seconds since the epoch. Example:	1976	fractional number of seconds since the epoch. Example:
…		…
1943	->new	1980	->new
1944	->interval (1)	1981	->interval (1)
1945	->cb (sub {	1982	->cb (sub {
1946	$term->{overlay}->set (0, 0,	1983	$term->{overlay}->set (0, 0,
1947	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);	1984	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
1948	});	1985	});
1949		1986
1950	=over 4	1987	=over 4
1951		1988
1952	=item $timer = new urxvt::timer	1989	=item $timer = new urxvt::timer
1953		1990
…		…
1956		1993
1957	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })	1994	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })
1958		1995
1959	Set the callback to be called when the timer triggers.	1996	Set the callback to be called when the timer triggers.
1960		1997
1961	=item $tstamp = $timer->at
1962
1963	Return the time this watcher will fire next.
1964
1965	=item $timer = $timer->set ($tstamp)	1998	=item $timer = $timer->set ($tstamp[, $interval])
1966		1999
1967	Set the time the event is generated to $tstamp.	2000	Set the time the event is generated to $tstamp (and optionally specifies a
		2001	new $interval).
1968		2002
1969	=item $timer = $timer->interval ($interval)	2003	=item $timer = $timer->interval ($interval)
1970		2004
1971	Normally (and when C<$interval> is C<0>), the timer will automatically	2005	By default (and when C<$interval> is C<0>), the timer will automatically
1972	stop after it has fired once. If C<$interval> is non-zero, then the timer	2006	stop after it has fired once. If C<$interval> is non-zero, then the timer
1973	is automatically rescheduled at the given intervals.	2007	is automatically rescheduled at the given intervals.
1974		2008
1975	=item $timer = $timer->start	2009	=item $timer = $timer->start
1976		2010
1977	Start the timer.	2011	Start the timer.
1978		2012
1979	=item $timer = $timer->start ($tstamp)	2013	=item $timer = $timer->start ($tstamp[, $interval])
1980		2014
1981	Set the event trigger time to C<$tstamp> and start the timer.	2015	Set the event trigger time to C<$tstamp> and start the timer. Optionally
		2016	also replaces the interval.
1982		2017
1983	=item $timer = $timer->after ($delay)	2018	=item $timer = $timer->after ($delay[, $interval])
1984		2019
1985	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.	2020	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1986		2021
1987	=item $timer = $timer->stop	2022	=item $timer = $timer->stop
1988		2023
…		…
1996		2031
1997	$term->{socket} = ...	2032	$term->{socket} = ...
1998	$term->{iow} = urxvt::iow	2033	$term->{iow} = urxvt::iow
1999	->new	2034	->new
2000	->fd (fileno $term->{socket})	2035	->fd (fileno $term->{socket})
2001	->events (urxvt::EVENT_READ)	2036	->events (urxvt::EV_READ)
2002	->start	2037	->start
2003	->cb (sub {	2038	->cb (sub {
2004	my ($iow, $revents) = @_;	2039	my ($iow, $revents) = @_;
2005	# $revents must be 1 here, no need to check	2040	# $revents must be 1 here, no need to check
2006	sysread $term->{socket}, my $buf, 8192	2041	sysread $term->{socket}, my $buf, 8192
…		…
2019	Set the callback to be called when io events are triggered. C<$reventmask>	2054	Set the callback to be called when io events are triggered. C<$reventmask>
2020	is a bitset as described in the C<events> method.	2055	is a bitset as described in the C<events> method.
2021		2056
2022	=item $iow = $iow->fd ($fd)	2057	=item $iow = $iow->fd ($fd)
2023		2058
2024	Set the filedescriptor (not handle) to watch.	2059	Set the file descriptor (not handle) to watch.
2025		2060
2026	=item $iow = $iow->events ($eventmask)	2061	=item $iow = $iow->events ($eventmask)
2027		2062
2028	Set the event mask to watch. The only allowed values are	2063	Set the event mask to watch. The only allowed values are
2029	C<urxvt::EVENT_READ> and C<urxvt::EVENT_WRITE>, which might be ORed	2064	C<urxvt::EV_READ> and C<urxvt::EV_WRITE>, which might be ORed
2030	together, or C<urxvt::EVENT_NONE>.	2065	together, or C<urxvt::EV_NONE>.
2031		2066
2032	=item $iow = $iow->start	2067	=item $iow = $iow->start
2033		2068
2034	Start watching for requested events on the given handle.	2069	Start watching for requested events on the given handle.
2035		2070
2036	=item $iow = $iow->stop	2071	=item $iow = $iow->stop
2037		2072
2038	Stop watching for events on the given filehandle.	2073	Stop watching for events on the given file handle.
2039		2074
2040	=back	2075	=back
2041		2076
2042	=head2 The C<urxvt::iw> Class	2077	=head2 The C<urxvt::iw> Class
2043		2078
…		…
2076	->new	2111	->new
2077	->start ($pid)	2112	->start ($pid)
2078	->cb (sub {	2113	->cb (sub {
2079	my ($pw, $exit_status) = @_;	2114	my ($pw, $exit_status) = @_;
2080	...	2115	...
2081	});	2116	});
2082		2117
2083	=over 4	2118	=over 4
2084		2119
2085	=item $pw = new urxvt::pw	2120	=item $pw = new urxvt::pw
2086		2121
…		…
2090		2125
2091	Set the callback to be called when the timer triggers.	2126	Set the callback to be called when the timer triggers.
2092		2127
2093	=item $pw = $timer->start ($pid)	2128	=item $pw = $timer->start ($pid)
2094		2129
2095	Tells the wqtcher to start watching for process C<$pid>.	2130	Tells the watcher to start watching for process C<$pid>.
2096		2131
2097	=item $pw = $pw->stop	2132	=item $pw = $pw->stop
2098		2133
2099	Stop the watcher.	2134	Stop the watcher.
2100		2135
…		…
2113		2148
2114	=item >= 3 - script loading and management	2149	=item >= 3 - script loading and management
2115		2150
2116	=item >=10 - all called hooks	2151	=item >=10 - all called hooks
2117		2152
2118	=item >=11 - hook reutrn values	2153	=item >=11 - hook return values
2119		2154
2120	=back	2155	=back
2121		2156
2122	=head1 AUTHOR	2157	=head1 AUTHOR
2123		2158
2124	Marc Lehmann <pcg@goof.com>	2159	Marc Lehmann <schmorp@schmorp.de>
2125	http://software.schmorp.de/pkg/rxvt-unicode	2160	http://software.schmorp.de/pkg/rxvt-unicode
2126		2161
2127	=cut	2162	=cut
2128		2163
2129	1	2164	1
		2165
		2166	# vim: sw=3:

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