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Revision 1.72 by root, Mon Jan 9 23:30:01 2006 UTC vs.
Revision 1.241 by sf-exg, Fri Oct 10 14:38:02 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	=head2 Prepackaged Extensions	31	You can disable the embedded perl interpreter by setting both "perl-ext"
		32	and "perl-ext-common" resources to the empty string.
32		33
33	This section describes the extensiosn delivered with this version. You can	34	=head1 PREPACKAGED EXTENSIONS
34	find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>.	35
		36	A number of extensions are delivered with this release. You can find them
		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	=over 4	44	Or by adding them to the resource for extensions loaded by default:
41		45
42	=item selection (enabled by default)	46	URxvt.perl-ext-common: default,selection-autotransform
43		47
44	Intelligent selection. This extension tries to be more intelligent when	48	Extensions that add command line parameters or resources on their own are
45	the user extends selections (double-click). Right now, it tries to select	49	loaded automatically when used.
46	urls and complete shell-quoted arguments, which is very convenient, too,
47	if your F<ls> supports C<--quoting-style=shell>.
48		50
49	It also offers the following bindable event:	51	=head1 API DOCUMENTATION
50
51	=over 4
52
53	=item rot13
54
55	Rot-13 the selection when activated. Used via keyboard trigger:
56
57	URxvt.keysym.C-M-r: perl:selection:rot13
58
59	=back
60
61	=item option-popup (enabled by default)
62
63	Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at
64	runtime.
65
66	=item selection-popup (enabled by default)
67
68	Binds a popup menu to Ctrl-Button3 that lets you convert the selection
69	text into various other formats/action.
70
71	=item searchable-scrollback (enabled by default)
72
73	Adds regex search functionality to the scrollback buffer, triggered by a
74	hotkey (default: C<M-s>). When in search mode, terminal input/output is
75	suspended, C</> starts an incremental regex search, C<n> searches further,
76	C<p> jumps to the previous match. C<enter> leaves search mode at the
77	current position and C<escape> returns to the original position.
78
79	=item digital-clock
80
81	Displays a digital clock using the built-in overlay.
82
83	=item mark-urls
84
85	Uses per-line display filtering (C<on_line_update>) to underline urls.
86
87	=item block-graphics-to-ascii
88
89	A not very useful example of filtering all text output to the terminal,
90	by replacing all line-drawing characters (U+2500 .. U+259F) by a
91	similar-looking ascii character.
92
93	=item example-refresh-hooks
94
95	Displays a very simple digital clock in the upper right corner of the
96	window. Illustrates overwriting the refresh callbacks to create your own
97	overlays or changes.
98
99	=back
100		52
101	=head2 General API Considerations	53	=head2 General API Considerations
102		54
103	All objects (such as terminals, time watchers etc.) are typical	55	All objects (such as terminals, time watchers etc.) are typical
104	reference-to-hash objects. The hash can be used to store anything you	56	reference-to-hash objects. The hash can be used to store anything you
…		…
116		68
117	=over 4	69	=over 4
118		70
119	=item $text	71	=item $text
120		72
121	Rxvt-unicodes special way of encoding text, where one "unicode" character	73	Rxvt-unicode's special way of encoding text, where one "unicode" character
122	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.
123		75
124	=item $string	76	=item $string
125		77
126	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
127	characters and is to be distinguished with text encoded in a specific	79	characters and is to be distinguished with text encoded in a specific
…		…
130	=item $octets	82	=item $octets
131		83
132	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
133	locale-specific way.	85	locale-specific way.
134		86
		87	=item $keysym
		88
		89	an integer that is a valid X11 keysym code. You can convert a string
		90	into a keysym and viceversa by using C<XStringToKeysym> and
		91	C<XKeysymToString>.
		92
135	=back	93	=back
136		94
137	=head2 Extension Objects	95	=head2 Extension Objects
138		96
139	Very perl extension is a perl class. A separate perl object is created	97	Every perl extension is a perl class. A separate perl object is created
140	for each terminal and each extension and passed as the first parameter to	98	for each terminal, and each terminal has its own set of extension objects,
141	hooks. So extensions can use their C<$self> object without having to think	99	which are passed as the first parameter to hooks. So extensions can use
142	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
143	begin with an underscore character C<_>: these are reserved for internal	102	that begin with an underscore character C<_>: these are reserved for
144	use.	103	internal use.
145		104
146	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
147	C<urxvt::term> class on this object.	106	C<urxvt::term> class on this object.
148		107
149	It has the following methods and data members:	108	Additional methods only supported for extension objects are described in
150		109	the C<urxvt::extension> section below.
151	=over 4
152
153	=item $urxvt_term = $self->{term}
154
155	Returns the C<urxvt::term> object associated with this instance of the
156	extension. This member I<must not> be changed in any way.
157
158	=item $self->enable ($hook_name => $cb, [$hook_name => $cb..])
159
160	Dynamically enable the given hooks (named without the C<on_> prefix) for
161	this extension, replacing any previous hook. This is useful when you want
162	to overwrite time-critical hooks only temporarily.
163
164	=item $self->disable ($hook_name[, $hook_name..])
165
166	Dynamically disable the given hooks.
167
168	=back
169		110
170	=head2 Hooks	111	=head2 Hooks
171		112
172	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
173	called whenever the relevant event happens.	114	called whenever the relevant event happens.
174		115
175	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
176	the in the C<Extension Objects> section.	117	the in the C<Extension Objects> section.
177		118
178	B<All> of these hooks must return a boolean value. If it is true, then the	119	B<All> of these hooks must return a boolean value. If any of the called
179	event counts as being I<consumed>, and the invocation of other hooks is	120	hooks returns true, then the event counts as being I<consumed>, and the
180	skipped, and the relevant action might not be carried out by the C++ code.	121	relevant action might not be carried out by the C++ code.
181		122
182	I<< When in doubt, return a false value (preferably C<()>). >>	123	I<< When in doubt, return a false value (preferably C<()>). >>
183		124
184	=over 4	125	=over 4
185		126
186	=item on_init $term	127	=item on_init $term
187		128
188	Called after a new terminal object has been initialized, but before	129	Called after a new terminal object has been initialized, but before
189	windows are created or the command gets run. Most methods are unsafe to	130	windows are created or the command gets run. Most methods are unsafe to
190	call or deliver senseless data, as terminal size and other characteristics	131	call or deliver senseless data, as terminal size and other characteristics
191	have not yet been determined. You can safely query and change resources,	132	have not yet been determined. You can safely query and change resources
192	though.	133	and options, though. For many purposes the C<on_start> hook is a better
		134	place.
		135
		136	=item on_start $term
		137
		138	Called at the very end of initialisation of a new terminal, just before
		139	trying to map (display) the toplevel and returning to the main loop.
		140
		141	=item on_destroy $term
		142
		143	Called whenever something tries to destroy terminal, when the terminal is
		144	still fully functional (not for long, though).
193		145
194	=item on_reset $term	146	=item on_reset $term
195		147
196	Called after the screen is "reset" for any reason, such as resizing or	148	Called after the screen is "reset" for any reason, such as resizing or
197	control sequences. Here is where you can react on changes to size-related	149	control sequences. Here is where you can react on changes to size-related
198	variables.	150	variables.
199		151
200	=item on_start $term	152	=item on_child_start $term, $pid
201		153
202	Called at the very end of initialisation of a new terminal, just before	154	Called just after the child process has been C<fork>ed.
203	returning to the mainloop.	155
		156	=item on_child_exit $term, $status
		157
		158	Called just after the child process has exited. C<$status> is the status
		159	from C<waitpid>.
204		160
205	=item on_sel_make $term, $eventtime	161	=item on_sel_make $term, $eventtime
206		162
207	Called whenever a selection has been made by the user, but before the	163	Called whenever a selection has been made by the user, but before the
208	selection text is copied, so changes to the beginning, end or type of the	164	selection text is copied, so changes to the beginning, end or type of the
…		…
215		171
216	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
217	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
218	by calling C<< $term->selection >>.	174	by calling C<< $term->selection >>.
219		175
220	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.
221		177
222	=item on_sel_extend $term	178	=item on_sel_extend $term
223		179
224	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
225	click) and is either supposed to return false (normal operation), or	181	click) and is either supposed to return false (normal operation), or
226	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
227	processing.	183	processing. This can happen multiple times, as long as the callback
		184	returns true, it will be called on every further click by the user and is
		185	supposed to enlarge the selection more and more, if possible.
228		186
229	See the F<selection> example extension.	187	See the F<selection> example extension.
230		188
231	=item on_view_change $term, $offset	189	=item on_view_change $term, $offset
232		190
233	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
234	scrolls. Offset C<0> means display the normal terminal, positive values	192	scrolls. Offset C<0> means display the normal terminal, positive values
235	show this many lines of scrollback.	193	show this many lines of scrollback.
236		194
237	=item on_scroll_back $term, $lines, $saved	195	=item on_scroll_back $term, $lines, $saved
238		196
…		…
242		200
243	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,	201	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,
244	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total	202	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total
245	number of lines that will be in the scrollback buffer.	203	number of lines that will be in the scrollback buffer.
246		204
247	=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, $resp
248		216
249	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =	217	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
250	operating system command) is processed. Cursor position and other state	218	operating system command) is processed. Cursor position and other state
251	information is up-to-date when this happens. For interoperability, the	219	information is up-to-date when this happens. For interoperability, the
252	string should start with the extension name and a colon, to distinguish	220	string should start with the extension name (sans -osc) and a semicolon,
253	it from commands for other extensions, and this might be enforced in the	221	to distinguish it from commands for other extensions, and this might be
254	future.	222	enforced in the future.
		223
		224	For example, C<overlay-osc> uses this:
		225
		226	sub on_osc_seq_perl {
		227	my ($self, $osc, $resp) = @_;
		228
		229	return unless $osc =~ s/^overlay;//;
		230
		231	... process remaining $osc string
		232	}
255		233
256	Be careful not ever to trust (in a security sense) the data you receive,	234	Be careful not ever to trust (in a security sense) the data you receive,
257	as its source can not easily be controleld (e-mail content, messages from	235	as its source can not easily be controlled (e-mail content, messages from
258	other users on the same system etc.).	236	other users on the same system etc.).
		237
		238	For responses, C<$resp> contains the end-of-args separator used by the
		239	sender.
259		240
260	=item on_add_lines $term, $string	241	=item on_add_lines $term, $string
261		242
262	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
263	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
…		…
268	=item on_tt_write $term, $octets	249	=item on_tt_write $term, $octets
269		250
270	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
271	suppress or filter tty input.	252	suppress or filter tty input.
272		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
273	=item on_line_update $term, $row	261	=item on_line_update $term, $row
274		262
275	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
276	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
277	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,
…		…
284	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
285	you cannot just toggle rendition bits, but only set them.	273	you cannot just toggle rendition bits, but only set them.
286		274
287	=item on_refresh_begin $term	275	=item on_refresh_begin $term
288		276
289	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
290	or similar effects by modify terminal contents in refresh_begin, and	278	similar effects by modifying the terminal contents in refresh_begin, and
291	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
292	code is run after this hook, and takes precedence.	280	code is run after this hook, and takes precedence.
293		281
294	=item on_refresh_end $term	282	=item on_refresh_end $term
295		283
296	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>.
297		285
298	=item on_keyboard_command $term, $string	286	=item on_user_command $term, $string *DEPRECATED*
299		287
300	Called whenever the user presses a key combination that has a	288	Called whenever a user-configured event is being activated (e.g. via
301	C<perl:string> action bound to it (see description of the B<keysym>	289	a C<perl:string> action bound to a key, see description of the B<keysym>
302	resource in the @@RXVT_NAME@@(1) manpage).	290	resource in the urxvt(1) manpage).
		291
		292	The event is simply the action string. This interface is going away in
		293	preference to the C<on_action> hook.
		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.
		300
		301	=item on_x_event $term, $event
		302
		303	Called on every X event received on the vt window (and possibly other
		304	windows). Should only be used as a last resort. Most event structure
		305	members are not passed.
		306
		307	=item on_root_event $term, $event
		308
		309	Like C<on_x_event>, but is called for events on the root window.
303		310
304	=item on_focus_in $term	311	=item on_focus_in $term
305		312
306	Called whenever the window gets the keyboard focus, before rxvt-unicode	313	Called whenever the window gets the keyboard focus, before rxvt-unicode
307	does focus in processing.	314	does focus in processing.
308		315
309	=item on_focus_out $term	316	=item on_focus_out $term
310		317
311	Called wheneever the window loses keyboard focus, before rxvt-unicode does	318	Called whenever the window loses keyboard focus, before rxvt-unicode does
312	focus out processing.	319	focus out processing.
313		320
		321	=item on_configure_notify $term, $event
		322
		323	=item on_property_notify $term, $event
		324
314	=item on_key_press $term, $event, $keysym, $octets	325	=item on_key_press $term, $event, $keysym, $octets
315		326
316	=item on_key_release $term, $event, $keysym	327	=item on_key_release $term, $event, $keysym
317		328
318	=item on_button_press $term, $event	329	=item on_button_press $term, $event
…		…
323		334
324	=item on_map_notify $term, $event	335	=item on_map_notify $term, $event
325		336
326	=item on_unmap_notify $term, $event	337	=item on_unmap_notify $term, $event
327		338
328	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
329	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.
330		341
331	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
332	manpage), with the additional members C<row> and C<col>, which are the row	343	manpage), with the additional members C<row> and C<col>, which are the
333	and column under the mouse cursor.	344	(real, not screen-based) row and column under the mouse cursor.
334		345
335	C<on_key_press> additionally receives the string rxvt-unicode would	346	C<on_key_press> additionally receives the string rxvt-unicode would
336	output, if any, in locale-specific encoding.	347	output, if any, in locale-specific encoding.
337		348
338	subwindow.	349	=item on_client_message $term, $event
		350
		351	=item on_wm_protocols $term, $event
		352
		353	=item on_wm_delete_window $term, $event
		354
		355	Called when various types of ClientMessage events are received (all with
		356	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
		357
		358	=item on_bell $term
		359
		360	Called on receipt of a bell character.
339		361
340	=back	362	=back
341		363
		364	=cut
		365
		366	package urxvt;
		367
		368	use utf8;
		369	use strict 'vars';
		370	use Carp ();
		371	use Scalar::Util ();
		372	use List::Util ();
		373
		374	our $VERSION = 1;
		375	our $TERM;
		376	our @TERM_INIT; # should go, prevents async I/O etc.
		377	our @TERM_EXT; # should go, prevents async I/O etc.
		378	our @HOOKNAME;
		379	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
		380	our %OPTION;
		381
		382	our $LIBDIR;
		383	our $RESNAME;
		384	our $RESCLASS;
		385	our $RXVTNAME;
		386
		387	our $NOCHAR = chr 0xffff;
		388
342	=head2 Variables in the C<urxvt> Package	389	=head2 Variables in the C<urxvt> Package
343		390
344	=over 4	391	=over 4
		392
		393	=item $urxvt::LIBDIR
		394
		395	The rxvt-unicode library directory, where, among other things, the perl
		396	modules and scripts are stored.
		397
		398	=item $urxvt::RESCLASS, $urxvt::RESCLASS
		399
		400	The resource class and name rxvt-unicode uses to look up X resources.
		401
		402	=item $urxvt::RXVTNAME
		403
		404	The basename of the installed binaries, usually C<urxvt>.
345		405
346	=item $urxvt::TERM	406	=item $urxvt::TERM
347		407
348	The current terminal. This variable stores the current C<urxvt::term>	408	The current terminal. This variable stores the current C<urxvt::term>
349	object, whenever a callback/hook is executing.	409	object, whenever a callback/hook is executing.
350		410
		411	=item @urxvt::TERM_INIT
		412
		413	All code references in this array will be called as methods of the next newly
		414	created C<urxvt::term> object (during the C<on_init> phase). The array
		415	gets cleared before the code references that were in it are being executed,
		416	so references can push themselves onto it again if they so desire.
		417
		418	This complements to the perl-eval command line option, but gets executed
		419	first.
		420
		421	=item @urxvt::TERM_EXT
		422
		423	Works similar to C<@TERM_INIT>, but contains perl package/class names, which
		424	get registered as normal extensions after calling the hooks in C<@TERM_INIT>
		425	but before other extensions. Gets cleared just like C<@TERM_INIT>.
		426
351	=back	427	=back
352		428
353	=head2 Functions in the C<urxvt> Package	429	=head2 Functions in the C<urxvt> Package
354		430
355	=over 4	431	=over 4
356		432
357	=item $term = new urxvt [arg...]
358
359	Creates a new terminal, very similar as if you had started it with
360	C<system $binfile, arg...>. Croaks (and probably outputs an error message)
361	if the new instance couldn't be created. Returns C<undef> if the new
362	instance didn't initialise perl, and the terminal object otherwise. The
363	C<init> and C<start> hooks will be called during the call.
364
365	=item urxvt::fatal $errormessage	433	=item urxvt::fatal $errormessage
366		434
367	Fatally aborts execution with the given error message. Avoid at all	435	Fatally aborts execution with the given error message (which should
368	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
369	starts up.	437	is acceptable (and useful) is in the init hook, where it prevents the
		438	terminal from starting up.
370		439
371	=item urxvt::warn $string	440	=item urxvt::warn $string
372		441
373	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
374	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
375	that calls this function.	444	that calls this function.
376		445
377	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
378	correct place, e.g. on stderr of the connecting urxvtc client.	447	correct place, e.g. on stderr of the connecting urxvtc client.
379		448
380	=item $is_safe = urxvt::safe	449	Messages have a size limit of 1023 bytes currently.
381		450
382	Returns true when it is safe to do potentially unsafe things, such as	451	=item @terms = urxvt::termlist
383	evaluating perl code specified by the user. This is true when urxvt was	452
384	started setuid or setgid.	453	Returns all urxvt::term objects that exist in this process, regardless of
		454	whether they are started, being destroyed etc., so be careful. Only term
		455	objects that have perl extensions attached will be returned (because there
		456	is no urxvt::term object associated with others).
385		457
386	=item $time = urxvt::NOW	458	=item $time = urxvt::NOW
387		459
388	Returns the "current time" (as per the event loop).	460	Returns the "current time" (as per the event loop).
389		461
390	=item urxvt::CurrentTime	462	=item urxvt::CurrentTime
391		463
392	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,	464	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
393	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,	465	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
394	Button4Mask, Button5Mask, AnyModifier	466	Button4Mask, Button5Mask, AnyModifier
		467
		468	=item urxvt::NoEventMask, KeyPressMask, KeyReleaseMask,
		469	ButtonPressMask, ButtonReleaseMask, EnterWindowMask, LeaveWindowMask,
		470	PointerMotionMask, PointerMotionHintMask, Button1MotionMask, Button2MotionMask,
		471	Button3MotionMask, Button4MotionMask, Button5MotionMask, ButtonMotionMask,
		472	KeymapStateMask, ExposureMask, VisibilityChangeMask, StructureNotifyMask,
		473	ResizeRedirectMask, SubstructureNotifyMask, SubstructureRedirectMask,
		474	FocusChangeMask, PropertyChangeMask, ColormapChangeMask, OwnerGrabButtonMask
		475
		476	=item urxvt::KeyPress, KeyRelease, ButtonPress, ButtonRelease, MotionNotify,
		477	EnterNotify, LeaveNotify, FocusIn, FocusOut, KeymapNotify, Expose,
		478	GraphicsExpose, NoExpose, VisibilityNotify, CreateNotify, DestroyNotify,
		479	UnmapNotify, MapNotify, MapRequest, ReparentNotify, ConfigureNotify,
		480	ConfigureRequest, GravityNotify, ResizeRequest, CirculateNotify,
		481	CirculateRequest, PropertyNotify, SelectionClear, SelectionRequest,
		482	SelectionNotify, ColormapNotify, ClientMessage, MappingNotify
395		483
396	Various constants for use in X calls and event processing.	484	Various constants for use in X calls and event processing.
397		485
398	=back	486	=back
399		487
…		…
416		504
417	=item $rend = urxvt::OVERLAY_RSTYLE	505	=item $rend = urxvt::OVERLAY_RSTYLE
418		506
419	Return the rendition mask used for overlays by default.	507	Return the rendition mask used for overlays by default.
420		508
421	=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
422		511
423	Return the bit that enabled bold, italic, blink, reverse-video and	512	Return the bit that enabled bold, italic, blink, reverse-video and
424	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
425	the bitset.	514	the bitset.
426		515
…		…
428		517
429	=item $background = urxvt::GET_BASEBG $rend	518	=item $background = urxvt::GET_BASEBG $rend
430		519
431	Return the foreground/background colour index, respectively.	520	Return the foreground/background colour index, respectively.
432		521
433	=item $rend = urxvt::SET_FGCOLOR ($rend, $new_colour)	522	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour
434		523
435	=item $rend = urxvt::SET_BGCOLOR ($rend, $new_colour)	524	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour
		525
		526	=item $rend = urxvt::SET_COLOR $rend, $new_fg, $new_bg
436		527
437	Replace the foreground/background colour in the rendition mask with the	528	Replace the foreground/background colour in the rendition mask with the
438	specified one.	529	specified one.
439		530
440	=item $value = urxvt::GET_CUSTOM ($rend)	531	=item $value = urxvt::GET_CUSTOM $rend
441		532
442	Return the "custom" value: Every rendition has 5 bits for use by	533	Return the "custom" value: Every rendition has 5 bits for use by
443	extensions. They can be set and changed as you like and are initially	534	extensions. They can be set and changed as you like and are initially
444	zero.	535	zero.
445		536
446	=item $rend = urxvt::SET_CUSTOM ($rend, $new_value)	537	=item $rend = urxvt::SET_CUSTOM $rend, $new_value
447		538
448	Change the custom value.	539	Change the custom value.
449		540
450	=back	541	=back
451		542
452	=cut	543	=cut
453		544
454	package urxvt;
455
456	use utf8;
457	use strict;
458	use Carp ();
459	use Scalar::Util ();
460	use List::Util ();
461
462	our $VERSION = 1;
463	our $TERM;
464	our @HOOKNAME;
465	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
466	our %OPTION;
467	our $LIBDIR;
468
469	BEGIN {	545	BEGIN {
470	urxvt->bootstrap;
471
472	# overwrite perl's warn	546	# overwrite perl's warn
473	*CORE::GLOBAL::warn = sub {	547	*CORE::GLOBAL::warn = sub {
474	my $msg = join "", @_;	548	my $msg = join "", @_;
475	$msg .= "\n"	549	$msg .= "\n"
476	unless $msg =~ /\n$/;	550	unless $msg =~ /\n$/;
477	urxvt::warn ($msg);	551	urxvt::warn ($msg);
478	};	552	};
479
480	delete $ENV{IFS};
481	delete $ENV{CDPATH};
482	delete $ENV{BASH_ENV};
483	$ENV{PATH} = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin:/opt/sbin";
484	}	553	}
485		554
486	my @hook_count;	555	no warnings 'utf8';
		556
		557	sub parse_resource {
		558	my ($term, $name, $isarg, $longopt, $flag, $value) = @_;
		559
		560	$term->scan_extensions;
		561
		562	my $r = $term->{meta}{resource};
		563	keys %$r; # reset iterator
		564	while (my ($k, $v) = each %$r) {
		565	my $pattern = $k;
		566	$pattern =~ y/./-/ if $isarg;
		567	my $prefix = $name;
		568	my $suffix;
		569	if ($pattern =~ /\-$/) {
		570	$prefix = substr $name, 0, length $pattern;
		571	$suffix = substr $name, length $pattern;
		572	}
		573	if ($pattern eq $prefix) {
		574	$name = "$urxvt::RESCLASS.$k$suffix";
		575
		576	push @{ $term->{perl_ext_3} }, $v->[0];
		577
		578	if ($v->[1] eq "boolean") {
		579	$term->put_option_db ($name, $flag ? "true" : "false");
		580	return 1;
		581	} else {
		582	$term->put_option_db ($name, $value);
		583	return 1 + 2;
		584	}
		585	}
		586	}
		587
		588	0
		589	}
		590
		591	sub usage {
		592	my ($term, $usage_type) = @_;
		593
		594	$term->scan_extensions;
		595
		596	my $r = $term->{meta}{resource};
		597
		598	for my $pattern (sort keys %$r) {
		599	my ($ext, $type, $desc) = @{ $r->{$pattern} };
		600
		601	$desc .= " (-pe $ext)";
		602
		603	if ($usage_type == 1) {
		604	$pattern =~ y/./-/;
		605	$pattern =~ s/-$/-.../g;
		606
		607	if ($type eq "boolean") {
		608	urxvt::log sprintf " -%-30s %s\n", "/+$pattern", $desc;
		609	} else {
		610	urxvt::log sprintf " -%-30s %s\n", "$pattern $type", $desc;
		611	}
		612	} else {
		613	$pattern =~ s/\.$/.*/g;
		614	urxvt::log sprintf " %-31s %s\n", "$pattern:", $type;
		615	}
		616	}
		617	}
		618
487	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};	619	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
488		620
489	sub verbose {	621	sub verbose {
490	my ($level, $msg) = @_;	622	my ($level, $msg) = @_;
491	warn "$msg\n" if $level <= $verbosity;	623	warn "$msg\n" if $level <= $verbosity;
492	}	624	}
493		625
494	my $extension_pkg = "extension0000";
495	my %extension_pkg;	626	my %extension_pkg;
496		627
497	# load a single script into its own package, once only	628	# load a single script into its own package, once only
498	sub extension_package($) {	629	sub extension_package($) {
499	my ($path) = @_;	630	my ($path) = @_;
500		631
501	$extension_pkg{$path} ||= do {	632	$extension_pkg{$path} ||= do {
502	my $pkg = "urxvt::" . ($extension_pkg++);	633	$path =~ /([^\/\\]+)$/;
		634	my $pkg = $1;
		635	$pkg =~ s/[^[:word:]]/_/g;
		636	$pkg = "urxvt::ext::$pkg";
503		637
504	verbose 3, "loading extension '$path' into package '$pkg'";	638	verbose 3, "loading extension '$path' into package '$pkg'";
		639
		640	(${"$pkg\::_NAME"} = $path) =~ s/^.*[\\\/]//; # hackish
505		641
506	open my $fh, "<:raw", $path	642	open my $fh, "<:raw", $path
507	or die "$path: $!";	643	or die "$path: $!";
508		644
509	my $source = untaint	645	my $source =
510	"package $pkg; use strict; use utf8;\n"	646	"package $pkg; use strict 'vars'; use utf8; no warnings 'utf8';\n"
511	. "use base urxvt::term::extension::;\n"
512	. "#line 1 \"$path\"\n{\n"	647	. "#line 1 \"$path\"\n{\n"
513	. (do { local $/; <$fh> })	648	. (do { local $/; <$fh> })
514	. "\n};\n1";	649	. "\n};\n1";
515		650
516	eval $source	651	eval $source
…		…
525	# called by the rxvt core	660	# called by the rxvt core
526	sub invoke {	661	sub invoke {
527	local $TERM = shift;	662	local $TERM = shift;
528	my $htype = shift;	663	my $htype = shift;
529		664
530	if ($htype == 0) { # INIT	665	if ($htype == HOOK_INIT) {
531	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");	666	my @dirs = $TERM->perl_libdirs;
532		667
		668	$TERM->scan_extensions;
		669
533	my %ext_arg;	670	my %ext_arg;
534		671
		672	{
		673	my @init = @TERM_INIT;
		674	@TERM_INIT = ();
		675	$_->($TERM) for @init;
		676	my @pkg = @TERM_EXT;
		677	@TERM_EXT = ();
		678	$TERM->register_package ($_) for @pkg;
		679	}
		680
		681	for (
535	for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {	682	grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2
		683	) {
536	if ($_ eq "default") {	684	if ($_ eq "default") {
537	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback);	685
		686	$ext_arg{$_} = []
		687	for
		688	qw(selection option-popup selection-popup readline),
		689	@{ delete $TERM->{perl_ext_3} },
		690	map $_->[0], values %{ $TERM->{meta}{binding} };
		691
		692	for ($TERM->_keysym_resources) {
		693	next if /^(?:string|command|builtin|builtin-string|perl)/;
		694	next unless /^([A-Za-z0-9_\-]+):/;
		695
		696	my $ext = $1;
		697
		698	$ext_arg{$ext} = [];
		699	}
		700
538	} elsif (/^-(.*)$/) {	701	} elsif (/^-(.*)$/) {
539	delete $ext_arg{$1};	702	delete $ext_arg{$1};
		703
540	} elsif (/^([^<]+)<(.*)>$/) {	704	} elsif (/^([^<]+)<(.*)>$/) {
541	push @{ $ext_arg{$1} }, $2;	705	push @{ $ext_arg{$1} }, $2;
		706
542	} else {	707	} else {
543	$ext_arg{$_} ||= [];	708	$ext_arg{$_} ||= [];
544	}	709	}
545	}	710	}
546		711
547	while (my ($ext, $argv) = each %ext_arg) {	712	# now register default key bindings
		713	for my $ext (sort keys %ext_arg) {
		714	while (my ($k, $v) = each %{ $TERM->{meta}{ext}{$ext}{binding} }) {
		715	$TERM->bind_action ($k, "$v->[0]:$v->[1]");
		716	}
		717	}
		718
		719	for my $ext (sort keys %ext_arg) {
548	my @files = grep -f $_, map "$_/$ext", @dirs;	720	my @files = grep -f $_, map "$_/$ext", @dirs;
549		721
550	if (@files) {	722	if (@files) {
551	$TERM->register_package (extension_package $files[0], $argv);	723	$TERM->register_package (extension_package $files[0], $ext_arg{$ext});
552	} else {	724	} else {
553	warn "perl extension '$ext' not found in perl library search path\n";	725	warn "perl extension '$ext' not found in perl library search path\n";
554	}	726	}
555	}	727	}
556		728
…		…
562		734
563	if (my $cb = $TERM->{_hook}[$htype]) {	735	if (my $cb = $TERM->{_hook}[$htype]) {
564	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"	736	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
565	if $verbosity >= 10;	737	if $verbosity >= 10;
566		738
567	keys %$cb;	739	if ($htype == HOOK_ACTION) {
		740	# this hook is only sent to the extension with the name
		741	# matching the first arg
		742	my $pkg = shift;
		743	$pkg =~ y/-/_/;
		744	$pkg = "urxvt::ext::$pkg";
568		745
569	while (my ($pkg, $cb) = each %$cb) {	746	$cb = $cb->{$pkg}
		747	or return undef; #TODO: maybe warn user?
		748
		749	$cb = { $pkg => $cb };
		750	}
		751
		752	for my $pkg (keys %$cb) {
570	$retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) }	753	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg} || $TERM, @_) };
571	and last;	754	$retval ||= $retval_;
572		755
573	if ($@) {	756	if ($@) {
574	$TERM->ungrab; # better to lose the grab than the session	757	$TERM->ungrab; # better to lose the grab than the session
575	warn $@;	758	warn $@;
576	}	759	}
577	}	760	}
		761
		762	verbose 11, "$HOOKNAME[$htype] returning <$retval>"
		763	if $verbosity >= 11;
578	}	764	}
579		765
580	if ($htype == 1) { # DESTROY	766	if ($htype == HOOK_DESTROY) {
581	if (my $hook = delete $TERM->{_hook}) {
582	for my $htype (0..$#$hook) {
583	$hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
584	or set_should_invoke $htype, 0;
585	}
586	}
587
588	# clear package objects	767	# clear package objects
589	%$_ = () for values %{ $TERM->{_pkg} };	768	%$_ = () for values %{ $TERM->{_pkg} };
590		769
591	# clear package	770	# clear package
592	%$TERM = ();	771	%$TERM = ();
593	}	772	}
594		773
595	$retval	774	$retval
596	}	775	}
597		776
598	# urxvt::term::extension	777	sub SET_COLOR($$$) {
		778	SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
		779	}
599		780
600	package urxvt::term::extension;	781	sub rend2mask {
601		782	no strict 'refs';
602	sub enable {	783	my ($str, $mask) = (@_, 0);
603	my ($self, %hook) = @_;	784	my %color = ( fg => undef, bg => undef );
604	my $pkg = $self->{_pkg};	785	my @failed;
605		786	for my $spec ( split /\s+/, $str ) {
606	while (my ($name, $cb) = each %hook) {	787	if ( $spec =~ /^([fb]g)[_:-]?(\d+)/i ) {
607	my $htype = $HOOKTYPE{uc $name};	788	$color{lc($1)} = $2;
608	defined $htype	789	} else {
609	or Carp::croak "unsupported hook type '$name'";	790	my $neg = $spec =~ s/^[-^]//;
610		791	unless ( exists &{"RS_$spec"} ) {
611	unless (exists $self->{term}{_hook}[$htype]{$pkg}) {	792	push @failed, $spec;
612	$hook_count[$htype]++	793	next;
613	or urxvt::set_should_invoke $htype, 1;
614	}	794	}
615		795	my $cur = &{"RS_$spec"};
616	$self->{term}{_hook}[$htype]{$pkg} = $cb;	796	if ( $neg ) {
617	}	797	$mask &= ~$cur;
618	}	798	} else {
619		799	$mask |= $cur;
620	sub disable {	800	}
621	my ($self, @hook) = @_;
622	my $pkg = $self->{_pkg};
623
624	for my $name (@hook) {
625	my $htype = $HOOKTYPE{uc $name};
626	defined $htype
627	or Carp::croak "unsupported hook type '$name'";
628
629	if (delete $self->{term}{_hook}[$htype]{$pkg}) {
630	--$hook_count[$htype]
631	or urxvt::set_should_invoke $htype, 0;
632	}	801	}
633	}	802	}
		803	($mask, @color{qw(fg bg)}, \@failed)
634	}	804	}
		805
		806	package urxvt::term::extension;
		807
		808	=head2 The C<urxvt::term::extension> class
		809
		810	Each extension attached to a terminal object is represented by
		811	a C<urxvt::term::extension> object.
		812
		813	You can use these objects, which are passed to all callbacks to store any
		814	state related to the terminal and extension instance.
		815
		816	The methods (And data members) documented below can be called on extension
		817	objects, in addition to call methods documented for the <urxvt::term>
		818	class.
		819
		820	=over 4
		821
		822	=item $urxvt_term = $self->{term}
		823
		824	Returns the C<urxvt::term> object associated with this instance of the
		825	extension. This member I<must not> be changed in any way.
		826
		827	=cut
635		828
636	our $AUTOLOAD;	829	our $AUTOLOAD;
637		830
638	sub AUTOLOAD {	831	sub AUTOLOAD {
639	$AUTOLOAD =~ /:([^:]+)$/	832	$AUTOLOAD =~ /:([^:]+)$/
…		…
652		845
653	sub DESTROY {	846	sub DESTROY {
654	# nop	847	# nop
655	}	848	}
656		849
657	# urxvt::destroy_hook	850	# urxvt::destroy_hook (basically a cheap Guard:: implementation)
658		851
659	sub urxvt::destroy_hook::DESTROY {	852	sub urxvt::destroy_hook::DESTROY {
660	${$_[0]}->();	853	${$_[0]}->();
661	}	854	}
662		855
663	sub urxvt::destroy_hook(&) {	856	sub urxvt::destroy_hook(&) {
664	bless \shift, urxvt::destroy_hook::	857	bless \shift, urxvt::destroy_hook::
665	}	858	}
666		859
		860	=item $self->enable ($hook_name => $cb[, $hook_name => $cb..])
		861
		862	Dynamically enable the given hooks (named without the C<on_> prefix) for
		863	this extension, replacing any hook previously installed via C<enable> in
		864	this extension.
		865
		866	This is useful when you want to overwrite time-critical hooks only
		867	temporarily.
		868
		869	To install additional callbacks for the same hook, you can use the C<on>
		870	method of the C<urxvt::term> class.
		871
		872	=item $self->disable ($hook_name[, $hook_name..])
		873
		874	Dynamically disable the given hooks.
		875
		876	=cut
		877
		878	sub enable {
		879	my ($self, %hook) = @_;
		880	my $pkg = $self->{_pkg};
		881
		882	while (my ($name, $cb) = each %hook) {
		883	my $htype = $HOOKTYPE{uc $name};
		884	defined $htype
		885	or Carp::croak "unsupported hook type '$name'";
		886
		887	$self->set_should_invoke ($htype, +1)
		888	unless exists $self->{term}{_hook}[$htype]{$pkg};
		889
		890	$self->{term}{_hook}[$htype]{$pkg} = $cb;
		891	}
		892	}
		893
		894	sub disable {
		895	my ($self, @hook) = @_;
		896	my $pkg = $self->{_pkg};
		897
		898	for my $name (@hook) {
		899	my $htype = $HOOKTYPE{uc $name};
		900	defined $htype
		901	or Carp::croak "unsupported hook type '$name'";
		902
		903	$self->set_should_invoke ($htype, -1)
		904	if delete $self->{term}{_hook}[$htype]{$pkg};
		905	}
		906	}
		907
		908	=item $guard = $self->on ($hook_name => $cb[, $hook_name => $cb..])
		909
		910	Similar to the C<enable> enable, but installs additional callbacks for
		911	the given hook(s) (that is, it doesn't replace existing callbacks), and
		912	returns a guard object. When the guard object is destroyed the callbacks
		913	are disabled again.
		914
		915	=cut
		916
		917	sub urxvt::extension::on_disable::DESTROY {
		918	my $disable = shift;
		919
		920	my $term = delete $disable->{""};
		921
		922	while (my ($htype, $id) = each %$disable) {
		923	delete $term->{_hook}[$htype]{$id};
		924	$term->set_should_invoke ($htype, -1);
		925	}
		926	}
		927
		928	sub on {
		929	my ($self, %hook) = @_;
		930
		931	my $term = $self->{term};
		932
		933	my %disable = ( "" => $term );
		934
		935	while (my ($name, $cb) = each %hook) {
		936	my $htype = $HOOKTYPE{uc $name};
		937	defined $htype
		938	or Carp::croak "unsupported hook type '$name'";
		939
		940	$term->set_should_invoke ($htype, +1);
		941	$term->{_hook}[$htype]{ $disable{$htype} = $cb+0 }
		942	= sub { shift; $cb->($self, @_) }; # very ugly indeed
		943	}
		944
		945	bless \%disable, "urxvt::extension::on_disable"
		946	}
		947
		948	=item $self->x_resource ($pattern)
		949
		950	=item $self->x_resource_boolean ($pattern)
		951
		952	These methods support an additional C<%> prefix when called on an
		953	extension object - see the description of these methods in the
		954	C<urxvt::term> class for details.
		955
		956	=cut
		957
		958	sub x_resource {
		959	my ($self, $name) = @_;
		960	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		961	$self->{term}->x_resource ($name)
		962	}
		963
		964	sub x_resource_boolean {
		965	my ($self, $name) = @_;
		966	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		967	$self->{term}->x_resource_boolean ($name)
		968	}
		969
		970	=back
		971
		972	=cut
		973
667	package urxvt::anyevent;	974	package urxvt::anyevent;
668		975
669	=head2 The C<urxvt::anyevent> Class	976	=head2 The C<urxvt::anyevent> Class
670		977
671	The sole purpose of this class is to deliver an interface to the	978	The sole purpose of this class is to deliver an interface to the
672	C<AnyEvent> module - any module using it will work inside urxvt without	979	C<AnyEvent> module - any module using it will work inside urxvt without
673	further work. The only exception is that you cannot wait on condition	980	further programming. The only exception is that you cannot wait on
674	variables, but non-blocking condvar use is ok. What this means is that you	981	condition variables, but non-blocking condvar use is ok.
675	cannot use blocking APIs, but the non-blocking variant should work.
676		982
677	=cut	983	In practical terms this means is that you cannot use blocking APIs, but
		984	the non-blocking variant should work.
678		985
		986	=cut
		987
679	our $VERSION = 1;	988	our $VERSION = '5.23';
680		989
681	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there	990	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
682	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];	991	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
683		992
684	sub timer {	993	sub timer {
…		…
686		995
687	my $cb = $arg{cb};	996	my $cb = $arg{cb};
688		997
689	urxvt::timer	998	urxvt::timer
690	->new	999	->new
691	->start (urxvt::NOW + $arg{after})	1000	->after ($arg{after}, $arg{interval})
692	->cb (sub {	1001	->cb ($arg{interval} ? $cb : sub {
693	$_[0]->stop; # need to cancel manually	1002	$_[0]->stop; # need to cancel manually
694	$cb->();	1003	$cb->();
695	})	1004	})
696	}	1005	}
697		1006
698	sub io {	1007	sub io {
699	my ($class, %arg) = @_;	1008	my ($class, %arg) = @_;
700		1009
701	my $cb = $arg{cb};	1010	my $cb = $arg{cb};
		1011	my $fd = fileno $arg{fh};
		1012	defined $fd or $fd = $arg{fh};
702		1013
703	bless [$arg{fh}, urxvt::iow	1014	bless [$arg{fh}, urxvt::iow
704	->new	1015	->new
705	->fd (fileno $arg{fh})	1016	->fd ($fd)
706	->events (($arg{poll} =~ /r/ ? 1 : 0)	1017	->events (($arg{poll} =~ /r/ ? 1 : 0)
707	| ($arg{poll} =~ /w/ ? 2 : 0))	1018	| ($arg{poll} =~ /w/ ? 2 : 0))
708	->start	1019	->start
709	->cb (sub {	1020	->cb ($cb)
710	$cb->(($_[1] & 1 ? 'r' : '')
711	. ($_[1] & 2 ? 'w' : ''));
712	})],
713	urxvt::anyevent::	1021	], urxvt::anyevent::
		1022	}
		1023
		1024	sub idle {
		1025	my ($class, %arg) = @_;
		1026
		1027	my $cb = $arg{cb};
		1028
		1029	urxvt::iw
		1030	->new
		1031	->start
		1032	->cb ($cb)
		1033	}
		1034
		1035	sub child {
		1036	my ($class, %arg) = @_;
		1037
		1038	my $cb = $arg{cb};
		1039
		1040	urxvt::pw
		1041	->new
		1042	->start ($arg{pid})
		1043	->cb (sub {
		1044	$_[0]->stop; # need to cancel manually
		1045	$cb->($_[0]->rpid, $_[0]->rstatus);
		1046	})
714	}	1047	}
715		1048
716	sub DESTROY {	1049	sub DESTROY {
717	$_[0][1]->stop;	1050	$_[0][1]->stop;
718	}	1051	}
719		1052
720	sub condvar {	1053	# only needed for AnyEvent < 6 compatibility
721	bless \my $flag, urxvt::anyevent::condvar::	1054	sub one_event {
722	}
723
724	sub urxvt::anyevent::condvar::broadcast {
725	${$_[0]}++;
726	}
727
728	sub urxvt::anyevent::condvar::wait {
729	unless (${$_[0]}) {
730	Carp::croak "AnyEvent->condvar blocking wait unsupported in urxvt, use a non-blocking API";	1055	Carp::croak "AnyEvent->one_event blocking wait unsupported in urxvt, use a non-blocking API";
731	}
732	}	1056	}
733		1057
734	package urxvt::term;	1058	package urxvt::term;
735		1059
736	=head2 The C<urxvt::term> Class	1060	=head2 The C<urxvt::term> Class
…		…
742	# find on_xxx subs in the package and register them	1066	# find on_xxx subs in the package and register them
743	# as hooks	1067	# as hooks
744	sub register_package {	1068	sub register_package {
745	my ($self, $pkg, $argv) = @_;	1069	my ($self, $pkg, $argv) = @_;
746		1070
		1071	no strict 'refs';
		1072
		1073	urxvt::verbose 6, "register package $pkg to $self";
		1074
		1075	@{"$pkg\::ISA"} = urxvt::term::extension::;
		1076
747	my $proxy = bless {	1077	my $proxy = bless {
748	_pkg => $pkg,	1078	_pkg => $pkg,
		1079	_name => ${"$pkg\::_NAME"}, # hackish
749	argv => $argv,	1080	argv => $argv,
750	}, $pkg;	1081	}, $pkg;
751	Scalar::Util::weaken ($proxy->{term} = $self);	1082	Scalar::Util::weaken ($proxy->{term} = $self);
752		1083
753	$self->{_pkg}{$pkg} = $proxy;	1084	$self->{_pkg}{$pkg} = $proxy;
754		1085
…		…
757	$proxy->enable ($name => $ref);	1088	$proxy->enable ($name => $ref);
758	}	1089	}
759	}	1090	}
760	}	1091	}
761		1092
		1093	sub perl_libdirs {
		1094	map { split /:/ }
		1095	$_[0]->resource ("perl_lib"),
		1096	$ENV{URXVT_PERL_LIB},
		1097	"$ENV{HOME}/.urxvt/ext",
		1098	"$LIBDIR/perl"
		1099	}
		1100
		1101	# scan for available extensions and collect their metadata
		1102	sub scan_extensions {
		1103	my ($self) = @_;
		1104
		1105	return if exists $self->{meta};
		1106
		1107	my @libdirs = perl_libdirs $self;
		1108
		1109	# return if $self->{meta_libdirs} eq join "\x00", @libdirs;#d#
		1110
		1111	# $self->{meta_libdirs} = join "\x00", @libdirs;#d#
		1112	$self->{meta} = \my %meta;
		1113
		1114	# first gather extensions
		1115	for my $dir (reverse @libdirs) {
		1116	opendir my $fh, $dir
		1117	or next;
		1118	for my $ext (readdir $fh) {
		1119	$ext !~ /^\./
		1120	and open my $fh, "<", "$dir/$ext"
		1121	or next;
		1122
		1123	my %ext = (dir => $dir);
		1124
		1125	while (<$fh>) {
		1126	if (/^#:META:(?:X_)?RESOURCE:(.*)/) {
		1127	my ($pattern, $type, $desc) = split /:/, $1;
		1128	$pattern =~ s/^%(\.|$)/$ext$1/g; # % in pattern == extension name
		1129	if ($pattern =~ /[^a-zA-Z0-9\-\.]/) {
		1130	warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n";
		1131	} else {
		1132	$ext{resource}{$pattern} = [$ext, $type, $desc];
		1133	}
		1134	} elsif (/^#:META:BINDING:(.*)/) {
		1135	my ($keysym, $action) = split /:/, $1;
		1136	$ext{binding}{$keysym} = [$ext, $action];
		1137	} elsif (/^\s*(?:#|$)/) {
		1138	# skip other comments and empty lines
		1139	} else {
		1140	last; # stop parsing on first non-empty non-comment line
		1141	}
		1142	}
		1143
		1144	$meta{ext}{$ext} = \%ext;
		1145	}
		1146	}
		1147
		1148	# and now merge resources and bindings
		1149	while (my ($k, $v) = each %{ $meta{ext} }) {
		1150	#TODO: should check for extensions overriding each other
		1151	%{ $meta{resource} } = (%{ $meta{resource} }, %{ $v->{resource} });
		1152	%{ $meta{binding} } = (%{ $meta{binding} }, %{ $v->{binding} });
		1153	}
		1154	}
		1155
		1156	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
		1157
		1158	Creates a new terminal, very similar as if you had started it with system
		1159	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
		1160	hash which defines the environment of the new terminal.
		1161
		1162	Croaks (and probably outputs an error message) if the new instance
		1163	couldn't be created. Returns C<undef> if the new instance didn't
		1164	initialise perl, and the terminal object otherwise. The C<init> and
		1165	C<start> hooks will be called before this call returns, and are free to
		1166	refer to global data (which is race free).
		1167
		1168	=cut
		1169
		1170	sub new {
		1171	my ($class, $env, @args) = @_;
		1172
		1173	$env or Carp::croak "environment hash missing in call to urxvt::term->new";
		1174	@args or Carp::croak "name argument missing in call to urxvt::term->new";
		1175
		1176	_new ([ map "$_=$env->{$_}", keys %$env ], \@args);
		1177	}
		1178
762	=item $term->destroy	1179	=item $term->destroy
763		1180
764	Destroy the terminal object (close the window, free resources etc.).	1181	Destroy the terminal object (close the window, free resources
		1182	etc.). Please note that urxvt will not exit as long as any event
		1183	watchers (timers, io watchers) are still active.
		1184
		1185	=item $term->exec_async ($cmd[, @args])
		1186
		1187	Works like the combination of the C<fork>/C<exec> builtins, which executes
		1188	("starts") programs in the background. This function takes care of setting
		1189	the user environment before exec'ing the command (e.g. C<PATH>) and should
		1190	be preferred over explicit calls to C<exec> or C<system>.
		1191
		1192	Returns the pid of the subprocess or C<undef> on error.
		1193
		1194	=cut
		1195
		1196	sub exec_async {
		1197	my $self = shift;
		1198
		1199	my $pid = fork;
		1200
		1201	return $pid
		1202	if !defined $pid or $pid;
		1203
		1204	%ENV = %{ $self->env };
		1205
		1206	exec @_;
		1207	urxvt::_exit 255;
		1208	}
765		1209
766	=item $isset = $term->option ($optval[, $set])	1210	=item $isset = $term->option ($optval[, $set])
767		1211
768	Returns true if the option specified by C<$optval> is enabled, and	1212	Returns true if the option specified by C<$optval> is enabled, and
769	optionally change it. All option values are stored by name in the hash	1213	optionally change it. All option values are stored by name in the hash
770	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.	1214	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
771		1215
772	Here is a a likely non-exhaustive list of option names, please see the	1216	Here is a likely non-exhaustive list of option names, please see the
773	source file F</src/optinc.h> to see the actual list:	1217	source file F</src/optinc.h> to see the actual list:
774		1218
775	borderLess console cursorBlink cursorUnderline hold iconic insecure	1219	borderLess buffered console cursorBlink cursorUnderline hold iconic
776	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage	1220	insecure intensityStyles iso14755 iso14755_52 jumpScroll loginShell
		1221	mapAlert meta8 mouseWheelScrollPage override_redirect pastableTabs
777	pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating	1222	pointerBlank reverseVideo scrollBar scrollBar_floating scrollBar_right
778	scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer	1223	scrollTtyKeypress scrollTtyOutput scrollWithBuffer secondaryScreen
779	secondaryScreen secondaryScroll skipBuiltinGlyphs transparent	1224	secondaryScroll skipBuiltinGlyphs skipScroll transparent tripleclickwords
780	tripleclickwords utmpInhibit visualBell	1225	urgentOnBell utmpInhibit visualBell
781		1226
782	=item $value = $term->resource ($name[, $newval])	1227	=item $value = $term->resource ($name[, $newval])
783		1228
784	Returns the current resource value associated with a given name and	1229	Returns the current resource value associated with a given name and
785	optionally sets a new value. Setting values is most useful in the C<init>	1230	optionally sets a new value. Setting values is most useful in the C<init>
…		…
794	likely change).	1239	likely change).
795		1240
796	Please note that resource strings will currently only be freed when the	1241	Please note that resource strings will currently only be freed when the
797	terminal is destroyed, so changing options frequently will eat memory.	1242	terminal is destroyed, so changing options frequently will eat memory.
798		1243
799	Here is a a likely non-exhaustive list of resource names, not all of which	1244	Here is a likely non-exhaustive list of resource names, not all of which
800	are supported in every build, please see the source file F</src/rsinc.h>	1245	are supported in every build, please see the source file F</src/rsinc.h>
801	to see the actual list:	1246	to see the actual list:
802		1247
803	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont	1248	answerbackstring backgroundPixmap backspace_key blurradius
804	borderLess color cursorBlink cursorUnderline cutchars delete_key	1249	boldFont boldItalicFont borderLess buffered chdir color cursorBlink
805	display_name embed ext_bwidth fade font geometry hold iconName	1250	cursorUnderline cutchars delete_key depth display_name embed ext_bwidth
806	imFont imLocale inputMethod insecure int_bwidth intensityStyles	1251	fade font geometry hold iconName iconfile imFont imLocale inputMethod
		1252	insecure int_bwidth intensityStyles iso14755 iso14755_52 italicFont
807	italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier	1253	jumpScroll letterSpace lineSpace loginShell mapAlert meta8 modifier
808	mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2	1254	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
809	perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd	1255	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
810	reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating	1256	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
811	scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput	1257	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
812	scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle	1258	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
813	shade term_name title transparent transparent_all tripleclickwords	1259	secondaryScreen secondaryScroll shade skipBuiltinGlyphs skipScroll
		1260	term_name title transient_for transparent tripleclickwords urgentOnBell
814	utmpInhibit visualBell	1261	utmpInhibit visualBell
815		1262
816	=cut	1263	=cut
817		1264
818	sub resource($$;$) {	1265	sub resource($$;$) {
819	my ($self, $name) = (shift, shift);	1266	my ($self, $name) = (shift, shift);
820	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);	1267	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
821	&urxvt::term::_resource	1268	goto &urxvt::term::_resource
822	}	1269	}
823		1270
824	=item $success = $term->parse_keysym ($keysym_spec, $command_string)	1271	=item $value = $term->x_resource ($pattern)
825		1272
		1273	Returns the X-Resource for the given pattern, excluding the program or
		1274	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
		1275	same value as used by this instance of rxvt-unicode. Returns C<undef> if no
		1276	resource with that pattern exists.
		1277
		1278	Extensions that define extra resource or command line arguments also need
		1279	to call this method to access their values.
		1280
		1281	If the method is called on an extension object (basically, from an
		1282	extension), then the special prefix C<%.> will be replaced by the name of
		1283	the extension and a dot, and the lone string C<%> will be replaced by the
		1284	extension name itself. This makes it possible to code extensions so you
		1285	can rename them and get a new set of commandline switches and resources
		1286	without having to change the actual code.
		1287
		1288	This method should only be called during the C<on_start> hook, as there is
		1289	only one resource database per display, and later invocations might return
		1290	the wrong resources.
		1291
		1292	=item $value = $term->x_resource_boolean ($pattern)
		1293
		1294	Like C<x_resource>, above, but interprets the string value as a boolean
		1295	and returns C<1> for true values, C<0> for false values and C<undef> if
		1296	the resource or option isn't specified.
		1297
		1298	You should always use this method to parse boolean resources.
		1299
		1300	=cut
		1301
		1302	sub x_resource_boolean {
		1303	my $res = &x_resource;
		1304
		1305	$res =~ /^\s*(?:true|yes|on|1)\s*$/i ? 1 : defined $res && 0
		1306	}
		1307
		1308	=item $success = $term->bind_action ($key, $octets)
		1309
826	Adds a keymap translation exactly as specified via a resource. See the	1310	Adds a key binding exactly as specified via a C<keysym> resource. See the
827	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.	1311	C<keysym> resource in the urxvt(1) manpage.
828		1312
829	=item $rend = $term->rstyle ([$new_rstyle])	1313	=item $rend = $term->rstyle ([$new_rstyle])
830		1314
831	Return and optionally change the current rendition. Text that is output by	1315	Return and optionally change the current rendition. Text that is output by
832	the terminal application will use this style.	1316	the terminal application will use this style.
…		…
840		1324
841	=item ($row, $col) = $term->selection_beg ([$row, $col])	1325	=item ($row, $col) = $term->selection_beg ([$row, $col])
842		1326
843	=item ($row, $col) = $term->selection_end ([$row, $col])	1327	=item ($row, $col) = $term->selection_end ([$row, $col])
844		1328
845	Return the current values of the selection mark, begin or end positions,	1329	Return the current values of the selection mark, begin or end positions.
846	and optionally set them to new values.
847		1330
		1331	When arguments are given, then the selection coordinates are set to
		1332	C<$row> and C<$col>, and the selection screen is set to the current
		1333	screen.
		1334
		1335	=item $screen = $term->selection_screen ([$screen])
		1336
		1337	Returns the current selection screen, and then optionally sets it.
		1338
		1339	=item $term->selection_make ($eventtime[, $rectangular])
		1340
		1341	Tries to make a selection as set by C<selection_beg> and
		1342	C<selection_end>. If C<$rectangular> is true (default: false), a
		1343	rectangular selection will be made. This is the preferred function to make
		1344	a selection.
		1345
848	=item $success = $term->selection_grab ($eventtime)	1346	=item $success = $term->selection_grab ($eventtime[, $clipboard])
849		1347
850	Try to request the primary selection from the server (for example, as set	1348	Try to acquire ownership of the primary (clipboard if C<$clipboard> is
851	by the next method).	1349	true) selection from the server. The corresponding text can be set
		1350	with the next method. No visual feedback will be given. This function
		1351	is mostly useful from within C<on_sel_grab> hooks.
852		1352
853	=item $oldtext = $term->selection ([$newtext])	1353	=item $oldtext = $term->selection ([$newtext, $clipboard])
854		1354
855	Return the current selection text and optionally replace it by C<$newtext>.	1355	Return the current selection (clipboard if C<$clipboard> is true) text
		1356	and optionally replace it by C<$newtext>.
		1357
		1358	=item $term->selection_clear ([$clipboard])
		1359
		1360	Revoke ownership of the primary (clipboard if C<$clipboard> is true) selection.
856		1361
857	=item $term->overlay_simple ($x, $y, $text)	1362	=item $term->overlay_simple ($x, $y, $text)
858		1363
859	Create a simple multi-line overlay box. See the next method for details.	1364	Create a simple multi-line overlay box. See the next method for details.
860		1365
…		…
890		1395
891	The methods currently supported on C<urxvt::overlay> objects are:	1396	The methods currently supported on C<urxvt::overlay> objects are:
892		1397
893	=over 4	1398	=over 4
894		1399
895	=item $overlay->set ($x, $y, $text, $rend)	1400	=item $overlay->set ($x, $y, $text[, $rend])
896		1401
897	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts	1402	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts
898	text in rxvt-unicode's special encoding and an array of rendition values	1403	text in rxvt-unicode's special encoding and an array of rendition values
899	at a specific position inside the overlay.	1404	at a specific position inside the overlay.
		1405
		1406	If C<$rend> is missing, then the rendition will not be changed.
900		1407
901	=item $overlay->hide	1408	=item $overlay->hide
902		1409
903	If visible, hide the overlay, but do not destroy it.	1410	If visible, hide the overlay, but do not destroy it.
904		1411
…		…
949	Convert the given locale-encoded octets into a perl string.	1456	Convert the given locale-encoded octets into a perl string.
950		1457
951	=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])	1458	=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])
952		1459
953	XORs the rendition values in the given span with the provided value	1460	XORs the rendition values in the given span with the provided value
954	(default: C<RS_RVid>). Useful in refresh hooks to provide effects similar	1461	(default: C<RS_RVid>), which I<MUST NOT> contain font styles. Useful in
955	to the selection.	1462	refresh hooks to provide effects similar to the selection.
956		1463
957	=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])	1464	=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])
958		1465
959	Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing	1466	Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing
960	whitespace will additionally be xored with the C<$rstyle2>, which defaults	1467	whitespace will additionally be xored with the C<$rstyle2>, which defaults
961	to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines	1468	to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines
962	it instead.	1469	it instead. Both styles I<MUST NOT> contain font styles.
963		1470
964	=item $term->scr_bell	1471	=item $term->scr_bell
965		1472
966	Ring the bell!	1473	Ring the bell!
967		1474
…		…
974		1481
975	Normally its not a good idea to use this function, as programs might be	1482	Normally its not a good idea to use this function, as programs might be
976	confused by changes in cursor position or scrolling. Its useful inside a	1483	confused by changes in cursor position or scrolling. Its useful inside a
977	C<on_add_lines> hook, though.	1484	C<on_add_lines> hook, though.
978		1485
		1486	=item $term->scr_change_screen ($screen)
		1487
		1488	Switch to given screen - 0 primary, 1 secondary.
		1489
979	=item $term->cmd_parse ($octets)	1490	=item $term->cmd_parse ($octets)
980		1491
981	Similar to C<scr_add_lines>, but the argument must be in the	1492	Similar to C<scr_add_lines>, but the argument must be in the
982	locale-specific encoding of the terminal and can contain command sequences	1493	locale-specific encoding of the terminal and can contain command sequences
983	(escape codes) that will be interpreted.	1494	(escape codes) that will be interpreted.
984		1495
985	=item $term->tt_write ($octets)	1496	=item $term->tt_write ($octets)
986		1497
987	Write the octets given in C<$data> to the tty (i.e. as program input). To	1498	Write the octets given in C<$octets> to the tty (i.e. as program input). To
988	pass characters instead of octets, you should convert your strings first	1499	pass characters instead of octets, you should convert your strings first
989	to the locale-specific encoding using C<< $term->locale_encode >>.	1500	to the locale-specific encoding using C<< $term->locale_encode >>.
		1501
		1502	=item $term->tt_write_user_input ($octets)
		1503
		1504	Like C<tt_write>, but should be used when writing strings in response to
		1505	the user pressing a key, to invoke the additional actions requested by
		1506	the user for that case (C<tt_write> doesn't do that).
		1507
		1508	The typical use case would be inside C<on_action> hooks.
		1509
		1510	=item $term->tt_paste ($octets)
		1511
		1512	Write the octets given in C<$octets> to the tty as a paste, converting NL to
		1513	CR and bracketing the data with control sequences if bracketed paste mode
		1514	is set.
990		1515
991	=item $old_events = $term->pty_ev_events ([$new_events])	1516	=item $old_events = $term->pty_ev_events ([$new_events])
992		1517
993	Replaces the event mask of the pty watcher by the given event mask. Can	1518	Replaces the event mask of the pty watcher by the given event mask. Can
994	be used to suppress input and output handling to the pty/tty. See the	1519	be used to suppress input and output handling to the pty/tty. See the
995	description of C<< urxvt::timer->events >>. Make sure to always restore	1520	description of C<< urxvt::timer->events >>. Make sure to always restore
996	the previous value.	1521	the previous value.
997		1522
		1523	=item $fd = $term->pty_fd
		1524
		1525	Returns the master file descriptor for the pty in use, or C<-1> if no pty
		1526	is used.
		1527
998	=item $windowid = $term->parent	1528	=item $windowid = $term->parent
999		1529
1000	Return the window id of the toplevel window.	1530	Return the window id of the toplevel window.
1001		1531
1002	=item $windowid = $term->vt	1532	=item $windowid = $term->vt
1003		1533
1004	Return the window id of the terminal window.	1534	Return the window id of the terminal window.
1005		1535
		1536	=item $term->vt_emask_add ($x_event_mask)
		1537
		1538	Adds the specified events to the vt event mask. Useful e.g. when you want
		1539	to receive pointer events all the times:
		1540
		1541	$term->vt_emask_add (urxvt::PointerMotionMask);
		1542
		1543	=item $term->set_urgency ($set)
		1544
		1545	Enable/disable the urgency hint on the toplevel window.
		1546
		1547	=item $term->focus_in
		1548
		1549	=item $term->focus_out
		1550
		1551	=item $term->key_press ($state, $keycode[, $time])
		1552
		1553	=item $term->key_release ($state, $keycode[, $time])
		1554
		1555	Deliver various fake events to to terminal.
		1556
1006	=item $window_width = $term->width	1557	=item $window_width = $term->width
1007		1558
1008	=item $window_height = $term->height	1559	=item $window_height = $term->height
1009		1560
1010	=item $font_width = $term->fwidth	1561	=item $font_width = $term->fwidth
…		…
1023		1574
1024	=item $max_scrollback = $term->saveLines	1575	=item $max_scrollback = $term->saveLines
1025		1576
1026	=item $nrow_plus_saveLines = $term->total_rows	1577	=item $nrow_plus_saveLines = $term->total_rows
1027		1578
1028	=item $lines_in_scrollback = $term->nsaved	1579	=item $topmost_scrollback_row = $term->top_row
1029		1580
1030	Return various integers describing terminal characteristics.	1581	Return various integers describing terminal characteristics.
1031		1582
		1583	=item $x_display = $term->display_id
		1584
		1585	Return the DISPLAY used by rxvt-unicode.
		1586
1032	=item $lc_ctype = $term->locale	1587	=item $lc_ctype = $term->locale
1033		1588
1034	Returns the LC_CTYPE category string used by this rxvt-unicode.	1589	Returns the LC_CTYPE category string used by this rxvt-unicode.
1035		1590
1036	=item $x_display = $term->display_id	1591	=item $env = $term->env
1037		1592
1038	Return the DISPLAY used by rxvt-unicode.	1593	Returns a copy of the environment in effect for the terminal as a hashref
		1594	similar to C<\%ENV>.
		1595
		1596	=item @envv = $term->envv
		1597
		1598	Returns the environment as array of strings of the form C<VAR=VALUE>.
		1599
		1600	=item @argv = $term->argv
		1601
		1602	Return the argument vector as this terminal, similar to @ARGV, but
		1603	includes the program name as first element.
		1604
		1605	=cut
		1606
		1607	sub env {
		1608	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), $_[0]->envv }
		1609	}
1039		1610
1040	=item $modifiermask = $term->ModLevel3Mask	1611	=item $modifiermask = $term->ModLevel3Mask
1041		1612
1042	=item $modifiermask = $term->ModMetaMask	1613	=item $modifiermask = $term->ModMetaMask
1043		1614
1044	=item $modifiermask = $term->ModNumLockMask	1615	=item $modifiermask = $term->ModNumLockMask
1045		1616
1046	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often	1617	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
1047	AltGr), the meta key (often Alt) and the num lock key, if applicable.	1618	AltGr), the meta key (often Alt) and the num lock key, if applicable.
1048		1619
		1620	=item $screen = $term->current_screen
		1621
		1622	Returns the currently displayed screen (0 primary, 1 secondary).
		1623
		1624	=item $cursor_is_hidden = $term->hidden_cursor
		1625
		1626	Returns whether the cursor is currently hidden or not.
		1627
1049	=item $view_start = $term->view_start ([$newvalue])	1628	=item $view_start = $term->view_start ([$newvalue])
1050		1629
1051	Returns the negative row number of the topmost line. Minimum value is	1630	Returns the row number of the topmost displayed line. Maximum value is
1052	C<0>, which displays the normal terminal contents. Larger values scroll	1631	C<0>, which displays the normal terminal contents. Lower values scroll
1053	this many lines into the scrollback buffer.	1632	this many lines into the scrollback buffer.
1054		1633
1055	=item $term->want_refresh	1634	=item $term->want_refresh
1056		1635
1057	Requests a screen refresh. At the next opportunity, rxvt-unicode will	1636	Requests a screen refresh. At the next opportunity, rxvt-unicode will
…		…
1060		1639
1061	Used after changing terminal contents to display them.	1640	Used after changing terminal contents to display them.
1062		1641
1063	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])	1642	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
1064		1643
1065	Returns the text of the entire row with number C<$row_number>. Row C<0>	1644	Returns the text of the entire row with number C<$row_number>. Row C<< $term->top_row >>
1066	is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost	1645	is the topmost terminal line, row C<< $term->nrow-1 >> is the bottommost
1067	terminal line. The scrollback buffer starts at line C<-1> and extends to
1068	line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line	1646	terminal line. Nothing will be returned if a nonexistent line
1069	is requested.	1647	is requested.
1070		1648
1071	If C<$new_text> is specified, it will replace characters in the current	1649	If C<$new_text> is specified, it will replace characters in the current
1072	line, starting at column C<$start_col> (default C<0>), which is useful	1650	line, starting at column C<$start_col> (default C<0>), which is useful
1073	to replace only parts of a line. The font index in the rendition will	1651	to replace only parts of a line. The font index in the rendition will
1074	automatically be updated.	1652	automatically be updated.
1075		1653
1076	C<$text> is in a special encoding: tabs and wide characters that use more	1654	C<$text> is in a special encoding: tabs and wide characters that use more
1077	than one cell when displayed are padded with urxvt::NOCHAR characters	1655	than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
1078	(C<chr 65535>). Characters with combining characters and other characters	1656	characters. Characters with combining characters and other characters that
1079	that do not fit into the normal tetx encoding will be replaced with	1657	do not fit into the normal text encoding will be replaced with characters
1080	characters in the private use area.	1658	in the private use area.
1081		1659
1082	You have to obey this encoding when changing text. The advantage is	1660	You have to obey this encoding when changing text. The advantage is
1083	that C<substr> and similar functions work on screen cells and not on	1661	that C<substr> and similar functions work on screen cells and not on
1084	characters.	1662	characters.
1085		1663
…		…
1136	Return the row number of the first/last row of the line, respectively.	1714	Return the row number of the first/last row of the line, respectively.
1137		1715
1138	=item $offset = $line->offset_of ($row, $col)	1716	=item $offset = $line->offset_of ($row, $col)
1139		1717
1140	Returns the character offset of the given row|col pair within the logical	1718	Returns the character offset of the given row|col pair within the logical
1141	line.	1719	line. Works for rows outside the line, too, and returns corresponding
		1720	offsets outside the string.
1142		1721
1143	=item ($row, $col) = $line->coord_of ($offset)	1722	=item ($row, $col) = $line->coord_of ($offset)
1144		1723
1145	Translates a string offset into terminal coordinates again.	1724	Translates a string offset into terminal coordinates again.
1146		1725
…		…
1168	}	1747	}
1169		1748
1170	sub urxvt::line::t {	1749	sub urxvt::line::t {
1171	my ($self) = @_;	1750	my ($self) = @_;
1172		1751
1173	if (@_ > 1)	1752	if (@_ > 1) {
1174	{
1175	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1753	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1176	for $self->{beg} .. $self->{end};	1754	for $self->{beg} .. $self->{end};
1177	}	1755	}
1178		1756
1179	defined wantarray &&	1757	defined wantarray &&
1180	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),	1758	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),
1181	0, $self->{len}	1759	0, $self->{len}
1182	}	1760	}
1183		1761
1184	sub urxvt::line::r {	1762	sub urxvt::line::r {
1185	my ($self) = @_;	1763	my ($self) = @_;
1186		1764
1187	if (@_ > 1)	1765	if (@_ > 1) {
1188	{
1189	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1766	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1190	for $self->{beg} .. $self->{end};	1767	for $self->{beg} .. $self->{end};
1191	}	1768	}
1192		1769
1193	if (defined wantarray) {	1770	if (defined wantarray) {
1194	my $rend = [	1771	my $rend = [
1195	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}	1772	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}
1196	];	1773	];
…		…
1228	where one character corresponds to one screen cell. See	1805	where one character corresponds to one screen cell. See
1229	C<< $term->ROW_t >> for details.	1806	C<< $term->ROW_t >> for details.
1230		1807
1231	=item $string = $term->special_decode $text	1808	=item $string = $term->special_decode $text
1232		1809
1233	Converts rxvt-unicodes text reprsentation into a perl string. See	1810	Converts rxvt-unicodes text representation into a perl string. See
1234	C<< $term->ROW_t >> for details.	1811	C<< $term->ROW_t >> for details.
1235		1812
1236	=item $success = $term->grab_button ($button, $modifiermask)	1813	=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
1237		1814
		1815	=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
		1816
1238	Registers a synchronous button grab. See the XGrabButton manpage.	1817	Register/unregister a synchronous button grab. See the XGrabButton
		1818	manpage.
1239		1819
1240	=item $success = $term->grab ($eventtime[, $sync])	1820	=item $success = $term->grab ($eventtime[, $sync])
1241		1821
1242	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or	1822	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1243	synchronous (C<$sync> is true). Also remembers the grab timestampe.	1823	synchronous (C<$sync> is true). Also remembers the grab timestamp.
1244		1824
1245	=item $term->allow_events_async	1825	=item $term->allow_events_async
1246		1826
1247	Calls XAllowEvents with AsyncBoth for the most recent grab.	1827	Calls XAllowEvents with AsyncBoth for the most recent grab.
1248		1828
…		…
1255	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most	1835	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
1256	recent grab.	1836	recent grab.
1257		1837
1258	=item $term->ungrab	1838	=item $term->ungrab
1259		1839
1260	Calls XUngrab for the most recent grab. Is called automatically on	1840	Calls XUngrabPointer and XUngrabKeyboard for the most recent grab. Is called automatically on
1261	evaluation errors, as it is better to lose the grab in the error case as	1841	evaluation errors, as it is better to lose the grab in the error case as
1262	the session.	1842	the session.
		1843
		1844	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
		1845
		1846	=item $atom_name = $term->XGetAtomName ($atom)
		1847
		1848	=item @atoms = $term->XListProperties ($window)
		1849
		1850	=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
		1851
		1852	=item $term->XChangeProperty ($window, $property, $type, $format, $octets)
		1853
		1854	=item $term->XDeleteProperty ($window, $property)
		1855
		1856	=item $window = $term->DefaultRootWindow
		1857
		1858	=item $term->XReparentWindow ($window, $parent, [$x, $y])
		1859
		1860	=item $term->XMapWindow ($window)
		1861
		1862	=item $term->XUnmapWindow ($window)
		1863
		1864	=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
		1865
		1866	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
		1867
		1868	=item $term->XChangeInput ($window, $add_events[, $del_events])
		1869
		1870	=item $keysym = $term->XStringToKeysym ($string)
		1871
		1872	=item $string = $term->XKeysymToString ($keysym)
		1873
		1874	Various X or X-related functions. The C<$term> object only serves as
		1875	the source of the display, otherwise those functions map more-or-less
		1876	directly onto the X functions of the same name.
1263		1877
1264	=back	1878	=back
1265		1879
1266	=cut	1880	=cut
1267		1881
…		…
1282		1896
1283	$item->{render} ||= sub { $_[0]{text} };	1897	$item->{render} ||= sub { $_[0]{text} };
1284		1898
1285	push @{ $self->{item} }, $item;	1899	push @{ $self->{item} }, $item;
1286	}	1900	}
		1901
		1902	=item $popup->add_title ($title)
		1903
		1904	Adds a non-clickable title to the popup.
		1905
		1906	=cut
		1907
		1908	sub add_title {
		1909	my ($self, $title) = @_;
		1910
		1911	$self->add_item ({
		1912	rend => { normal => "\x1b[38;5;11;44m", hover => "\x1b[38;5;11;44m", active => "\x1b[38;5;11;44m" },
		1913	text => $title,
		1914	activate => sub { },
		1915	});
		1916	}
		1917
		1918	=item $popup->add_separator ([$sepchr])
		1919
		1920	Creates a separator, optionally using the character given as C<$sepchr>.
		1921
		1922	=cut
1287		1923
1288	sub add_separator {	1924	sub add_separator {
1289	my ($self, $sep) = @_;	1925	my ($self, $sep) = @_;
1290		1926
1291	$sep ||= "=";	1927	$sep ||= "=";
…		…
1296	render => sub { $sep x $self->{term}->ncol },	1932	render => sub { $sep x $self->{term}->ncol },
1297	activate => sub { },	1933	activate => sub { },
1298	});	1934	});
1299	}	1935	}
1300		1936
1301	sub add_title {	1937	=item $popup->add_button ($text, $cb)
1302	my ($self, $title) = @_;
1303		1938
1304	$self->add_item ({	1939	Adds a clickable button to the popup. C<$cb> is called whenever it is
1305	rend => { normal => "\x1b[38;5;11;44m", hover => "\x1b[38;5;11;44m", active => "\x1b[38;5;11;44m" },	1940	selected.
1306	text => $title,	1941
1307	activate => sub { },	1942	=cut
1308	});
1309	}
1310		1943
1311	sub add_button {	1944	sub add_button {
1312	my ($self, $text, $cb) = @_;	1945	my ($self, $text, $cb) = @_;
1313		1946
1314	$self->add_item ({ type => "button", text => $text, activate => $cb});	1947	$self->add_item ({ type => "button", text => $text, activate => $cb});
1315	}	1948	}
1316		1949
		1950	=item $popup->add_toggle ($text, $initial_value, $cb)
		1951
		1952	Adds a toggle/checkbox item to the popup. The callback gets called
		1953	whenever it gets toggled, with a boolean indicating its new value as its
		1954	first argument.
		1955
		1956	=cut
		1957
1317	sub add_toggle {	1958	sub add_toggle {
1318	my ($self, $text, $cb, $value) = @_;	1959	my ($self, $text, $value, $cb) = @_;
1319		1960
1320	my $item; $item = {	1961	my $item; $item = {
1321	type => "button",	1962	type => "button",
1322	text => " $text",	1963	text => " $text",
1323	value => $value,	1964	value => $value,
1324	render => sub { ($_[0]{value} ? "* " : " ") . $text },	1965	render => sub { ($_[0]{value} ? "* " : " ") . $text },
1325	activate => sub { $cb->($_[0]{value} = !$_[0]{value}); },	1966	activate => sub { $cb->($_[1]{value} = !$_[1]{value}); },
1326	};	1967	};
1327		1968
1328	$self->add_item ($item);	1969	$self->add_item ($item);
1329	}	1970	}
		1971
		1972	=item $popup->show
		1973
		1974	Displays the popup (which is initially hidden).
		1975
		1976	=cut
1330		1977
1331	sub show {	1978	sub show {
1332	my ($self) = @_;	1979	my ($self) = @_;
1333		1980
1334	local $urxvt::popup::self = $self;	1981	local $urxvt::popup::self = $self;
1335		1982
		1983	my $env = $self->{term}->env;
		1984	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
		1985	delete $env->{LC_ALL};
1336	local $ENV{LC_ALL} = $self->{term}->locale;	1986	$env->{LC_CTYPE} = $self->{term}->locale;
1337		1987
1338	urxvt->new ("--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0,	1988	my $term = urxvt::term->new (
		1989	$env, "popup",
		1990	"--perl-lib" => "", "--perl-ext-common" => "",
		1991	"-pty-fd" => -1, "-sl" => 0,
		1992	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1339	"--transient-for" => $self->{term}->parent,	1993	"--transient-for" => $self->{term}->parent,
1340	"-display" => $self->{term}->display_id,	1994	"-display" => $self->{term}->display_id,
1341	"-pe" => "urxvt-popup")	1995	"-pe" => "urxvt-popup",
1342	or die "unable to create popup window\n";	1996	) or die "unable to create popup window\n";
		1997
		1998	unless (delete $term->{urxvt_popup_init_done}) {
		1999	$term->ungrab;
		2000	$term->destroy;
		2001	die "unable to initialise popup window\n";
		2002	}
1343	}	2003	}
1344		2004
1345	sub DESTROY {	2005	sub DESTROY {
1346	my ($self) = @_;	2006	my ($self) = @_;
1347		2007
1348	delete $self->{term}{_destroy}{$self};	2008	delete $self->{term}{_destroy}{$self};
1349	$self->{term}->ungrab;	2009	$self->{term}->ungrab;
1350	}	2010	}
		2011
		2012	=back
		2013
		2014	=cut
		2015
		2016	package urxvt::watcher;
1351		2017
1352	=head2 The C<urxvt::timer> Class	2018	=head2 The C<urxvt::timer> Class
1353		2019
1354	This class implements timer watchers/events. Time is represented as a	2020	This class implements timer watchers/events. Time is represented as a
1355	fractional number of seconds since the epoch. Example:	2021	fractional number of seconds since the epoch. Example:
…		…
1359	->new	2025	->new
1360	->interval (1)	2026	->interval (1)
1361	->cb (sub {	2027	->cb (sub {
1362	$term->{overlay}->set (0, 0,	2028	$term->{overlay}->set (0, 0,
1363	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);	2029	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
1364	});	2030	});
1365		2031
1366	=over 4	2032	=over 4
1367		2033
1368	=item $timer = new urxvt::timer	2034	=item $timer = new urxvt::timer
1369		2035
…		…
1372		2038
1373	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })	2039	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })
1374		2040
1375	Set the callback to be called when the timer triggers.	2041	Set the callback to be called when the timer triggers.
1376		2042
1377	=item $tstamp = $timer->at
1378
1379	Return the time this watcher will fire next.
1380
1381	=item $timer = $timer->set ($tstamp)	2043	=item $timer = $timer->set ($tstamp[, $interval])
1382		2044
1383	Set the time the event is generated to $tstamp.	2045	Set the time the event is generated to $tstamp (and optionally specifies a
		2046	new $interval).
1384		2047
1385	=item $timer = $timer->interval ($interval)	2048	=item $timer = $timer->interval ($interval)
1386		2049
1387	Normally (and when C<$interval> is C<0>), the timer will automatically	2050	By default (and when C<$interval> is C<0>), the timer will automatically
1388	stop after it has fired once. If C<$interval> is non-zero, then the timer	2051	stop after it has fired once. If C<$interval> is non-zero, then the timer
1389	is automatically rescheduled at the given intervals.	2052	is automatically rescheduled at the given intervals.
1390		2053
1391	=item $timer = $timer->start	2054	=item $timer = $timer->start
1392		2055
1393	Start the timer.	2056	Start the timer.
1394		2057
1395	=item $timer = $timer->start ($tstamp)	2058	=item $timer = $timer->start ($tstamp[, $interval])
1396		2059
1397	Set the event trigger time to C<$tstamp> and start the timer.	2060	Set the event trigger time to C<$tstamp> and start the timer. Optionally
		2061	also replaces the interval.
		2062
		2063	=item $timer = $timer->after ($delay[, $interval])
		2064
		2065	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1398		2066
1399	=item $timer = $timer->stop	2067	=item $timer = $timer->stop
1400		2068
1401	Stop the timer.	2069	Stop the timer.
1402		2070
…		…
1408		2076
1409	$term->{socket} = ...	2077	$term->{socket} = ...
1410	$term->{iow} = urxvt::iow	2078	$term->{iow} = urxvt::iow
1411	->new	2079	->new
1412	->fd (fileno $term->{socket})	2080	->fd (fileno $term->{socket})
1413	->events (urxvt::EVENT_READ)	2081	->events (urxvt::EV_READ)
1414	->start	2082	->start
1415	->cb (sub {	2083	->cb (sub {
1416	my ($iow, $revents) = @_;	2084	my ($iow, $revents) = @_;
1417	# $revents must be 1 here, no need to check	2085	# $revents must be 1 here, no need to check
1418	sysread $term->{socket}, my $buf, 8192	2086	sysread $term->{socket}, my $buf, 8192
…		…
1431	Set the callback to be called when io events are triggered. C<$reventmask>	2099	Set the callback to be called when io events are triggered. C<$reventmask>
1432	is a bitset as described in the C<events> method.	2100	is a bitset as described in the C<events> method.
1433		2101
1434	=item $iow = $iow->fd ($fd)	2102	=item $iow = $iow->fd ($fd)
1435		2103
1436	Set the filedescriptor (not handle) to watch.	2104	Set the file descriptor (not handle) to watch.
1437		2105
1438	=item $iow = $iow->events ($eventmask)	2106	=item $iow = $iow->events ($eventmask)
1439		2107
1440	Set the event mask to watch. The only allowed values are	2108	Set the event mask to watch. The only allowed values are
1441	C<urxvt::EVENT_READ> and C<urxvt::EVENT_WRITE>, which might be ORed	2109	C<urxvt::EV_READ> and C<urxvt::EV_WRITE>, which might be ORed
1442	together, or C<urxvt::EVENT_NONE>.	2110	together, or C<urxvt::EV_NONE>.
1443		2111
1444	=item $iow = $iow->start	2112	=item $iow = $iow->start
1445		2113
1446	Start watching for requested events on the given handle.	2114	Start watching for requested events on the given handle.
1447		2115
1448	=item $iow = $iow->stop	2116	=item $iow = $iow->stop
1449		2117
1450	Stop watching for events on the given filehandle.	2118	Stop watching for events on the given file handle.
		2119
		2120	=back
		2121
		2122	=head2 The C<urxvt::iw> Class
		2123
		2124	This class implements idle watchers, that get called automatically when
		2125	the process is idle. They should return as fast as possible, after doing
		2126	some useful work.
		2127
		2128	=over 4
		2129
		2130	=item $iw = new urxvt::iw
		2131
		2132	Create a new idle watcher object in stopped state.
		2133
		2134	=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
		2135
		2136	Set the callback to be called when the watcher triggers.
		2137
		2138	=item $timer = $timer->start
		2139
		2140	Start the watcher.
		2141
		2142	=item $timer = $timer->stop
		2143
		2144	Stop the watcher.
		2145
		2146	=back
		2147
		2148	=head2 The C<urxvt::pw> Class
		2149
		2150	This class implements process watchers. They create an event whenever a
		2151	process exits, after which they stop automatically.
		2152
		2153	my $pid = fork;
		2154	...
		2155	$term->{pw} = urxvt::pw
		2156	->new
		2157	->start ($pid)
		2158	->cb (sub {
		2159	my ($pw, $exit_status) = @_;
		2160	...
		2161	});
		2162
		2163	=over 4
		2164
		2165	=item $pw = new urxvt::pw
		2166
		2167	Create a new process watcher in stopped state.
		2168
		2169	=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
		2170
		2171	Set the callback to be called when the timer triggers.
		2172
		2173	=item $pw = $timer->start ($pid)
		2174
		2175	Tells the watcher to start watching for process C<$pid>.
		2176
		2177	=item $pw = $pw->stop
		2178
		2179	Stop the watcher.
1451		2180
1452	=back	2181	=back
1453		2182
1454	=head1 ENVIRONMENT	2183	=head1 ENVIRONMENT
1455		2184
…		…
1462		2191
1463	=item == 0 - fatal messages	2192	=item == 0 - fatal messages
1464		2193
1465	=item >= 3 - script loading and management	2194	=item >= 3 - script loading and management
1466		2195
1467	=item >=10 - all events received	2196	=item >=10 - all called hooks
		2197
		2198	=item >=11 - hook return values
1468		2199
1469	=back	2200	=back
1470		2201
1471	=head1 AUTHOR	2202	=head1 AUTHOR
1472		2203
1473	Marc Lehmann <pcg@goof.com>	2204	Marc Lehmann <schmorp@schmorp.de>
1474	http://software.schmorp.de/pkg/rxvt-unicode	2205	http://software.schmorp.de/pkg/rxvt-unicode
1475		2206
1476	=cut	2207	=cut
1477		2208
1478	1	2209	1
		2210
		2211	# vim: sw=3:

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