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Revision 1.82 by root, Thu Jan 12 01:30:53 2006 UTC vs.
Revision 1.245 by root, Mon Dec 22 09:10:12 2014 UTC

1	=encoding utf8	1	=encoding utf8
2		2
3	=head1 NAME	3	=head1 NAME
4		4
5	@@RXVT_NAME@@perl - rxvt-unicode's embedded perl interpreter	5	urxvtperl - rxvt-unicode's embedded perl interpreter
6		6
7	=head1 SYNOPSIS	7	=head1 SYNOPSIS
8		8
9	# create a file grab_test in $HOME:	9	# create a file grab_test in $HOME:
10		10
11	sub on_sel_grab {	11	sub on_sel_grab {
12	warn "you selected ", $_[0]->selection;	12	warn "you selected ", $_[0]->selection;
13	()	13	()
14	}	14	}
15		15
16	# start a @@RXVT_NAME@@ using it:	16	# start a urxvt using it:
17		17
18	@@RXVT_NAME@@ --perl-lib $HOME -pe grab_test	18	urxvt --perl-lib $HOME -pe grab_test
19		19
20	=head1 DESCRIPTION	20	=head1 DESCRIPTION
21		21
22	Everytime a terminal object gets created, extension scripts specified via	22	Every time a terminal object gets created, extension scripts specified via
23	the C<perl> resource are loaded and associated with it.	23	the C<perl> resource are loaded and associated with it.
24		24
25	Scripts are compiled in a 'use strict' and 'use utf8' environment, and	25	Scripts are compiled in a 'use strict "vars"' and 'use utf8' environment, and
26	thus must be encoded as UTF-8.	26	thus must be encoded as UTF-8.
27		27
28	Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where	28	Each script will only ever be loaded once, even in urxvtd, where
29	scripts will be shared (but not enabled) for all terminals.	29	scripts will be shared (but not enabled) for all terminals.
30		30
		31	You can disable the embedded perl interpreter by setting both "perl-ext"
		32	and "perl-ext-common" resources to the empty string.
		33
31	=head1 PREPACKAGED EXTENSIONS	34	=head1 PREPACKAGED EXTENSIONS
32		35
33	This section describes the extensions delivered with this release. You can	36	A number of extensions are delivered with this release. You can find them
34	find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>.	37	in F<< <libdir>/urxvt/perl/ >>, and the documentation can be viewed using
		38	F<< man urxvt-<EXTENSIONNAME> >>.
35		39
36	You can activate them like this:	40	You can activate them like this:
37		41
38	@@RXVT_NAME@@ -pe <extensionname>	42	urxvt -pe <extensionname>
39		43
40	=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	(More) intelligent selection. This extension tries to be more intelligent	48	Extensions may add additional resources and C<actions>, i.e., methods
45	when the user extends selections (double-click). Right now, it tries to	49	which can be bound to a key and invoked by the user. An extension can
46	select urls and complete shell-quoted arguments, which is very convenient,	50	define the resources it support and also default bindings for one or
47	too, if your F<ls> supports C<--quoting-style=shell>.	51	more actions it provides using so called META comments, described
48		52	below. Similarly to builtin resources, extension resources can also be
49	It also offers the following bindable keyboard command:	53	specified on the command line as long options (with C<.> replaced by
50		54	C<->), in which case the corresponding extension is loaded
51	=over 4	55	automatically. For this to work the extension B<must> define META
52		56	comments for its resources.
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 (such as uri unescaping, perl
70	evalution, web-browser starting etc.), depending on content.
71
72	=item searchable-scrollback<hotkey> (enabled by default)
73
74	Adds regex search functionality to the scrollback buffer, triggered
75	by a hotkey (default: C<M-s>). When in search mode, normal terminal
76	input/output is suspended.
77
78	C</> starts an incremental regex search, C<n> searches further, C<p> or
79	C<N> jump to the previous match, C<G> jumps to the bottom and clears the
80	history, C<enter> leaves search mode at the current position and C<escape>
81	returns to the original position.
82
83	=item digital-clock
84
85	Displays a digital clock using the built-in overlay.
86
87	=item mark-urls
88
89	Uses per-line display filtering (C<on_line_update>) to underline urls and
90	make them clickable. When clicked, the program specified in the resource
91	C<urlLauncher> (default C<x-www-browser>) will be started.
92
93	=item block-graphics-to-ascii
94
95	A not very useful example of filtering all text output to the terminal,
96	by replacing all line-drawing characters (U+2500 .. U+259F) by a
97	similar-looking ascii character.
98
99	=item example-refresh-hooks
100
101	Displays a very simple digital clock in the upper right corner of the
102	window. Illustrates overwriting the refresh callbacks to create your own
103	overlays or changes.
104
105	=back
106		57
107	=head1 API DOCUMENTATION	58	=head1 API DOCUMENTATION
108		59
109	=head2 General API Considerations	60	=head2 General API Considerations
110		61
…		…
124		75
125	=over 4	76	=over 4
126		77
127	=item $text	78	=item $text
128		79
129	Rxvt-unicodes special way of encoding text, where one "unicode" character	80	Rxvt-unicode's special way of encoding text, where one "unicode" character
130	always represents one screen cell. See L<ROW_t> for a discussion of this format.	81	always represents one screen cell. See L<ROW_t> for a discussion of this format.
131		82
132	=item $string	83	=item $string
133		84
134	A perl text string, with an emphasis on I<text>. It can store all unicode	85	A perl text string, with an emphasis on I<text>. It can store all unicode
…		…
138	=item $octets	89	=item $octets
139		90
140	Either binary data or - more common - a text string encoded in a	91	Either binary data or - more common - a text string encoded in a
141	locale-specific way.	92	locale-specific way.
142		93
		94	=item $keysym
		95
		96	an integer that is a valid X11 keysym code. You can convert a string
		97	into a keysym and viceversa by using C<XStringToKeysym> and
		98	C<XKeysymToString>.
		99
143	=back	100	=back
144		101
145	=head2 Extension Objects	102	=head2 Extension Objects
146		103
147	Very perl extension is a perl class. A separate perl object is created	104	Every perl extension is a perl class. A separate perl object is created
148	for each terminal and each extension and passed as the first parameter to	105	for each terminal, and each terminal has its own set of extension objects,
149	hooks. So extensions can use their C<$self> object without having to think	106	which are passed as the first parameter to hooks. So extensions can use
150	about other extensions, with the exception of methods and members that	107	their C<$self> object without having to think about clashes with other
		108	extensions or other terminals, with the exception of methods and members
151	begin with an underscore character C<_>: these are reserved for internal	109	that begin with an underscore character C<_>: these are reserved for
152	use.	110	internal use.
153		111
154	Although it isn't a C<urxvt::term> object, you can call all methods of the	112	Although it isn't a C<urxvt::term> object, you can call all methods of the
155	C<urxvt::term> class on this object.	113	C<urxvt::term> class on this object.
156		114
157	It has the following methods and data members:	115	Additional methods only supported for extension objects are described in
		116	the C<urxvt::extension> section below.
		117
		118	=head2 META comments
		119
		120	rxvt-unicode recognizes special comments in extensions that define
		121	different types of metadata:
158		122
159	=over 4	123	=over 4
160		124
161	=item $urxvt_term = $self->{term}	125	=item #:META:RESOURCE:name:type:desc
162		126
163	Returns the C<urxvt::term> object associated with this instance of the	127	The RESOURCE comment defines a resource used by the extension, where
164	extension. This member I<must not> be changed in any way.	128	C<name> is the resource name, C<type> is the resource type, C<boolean>
		129	or C<string>, and C<desc> is the resource description.
165		130
166	=item $self->enable ($hook_name => $cb, [$hook_name => $cb..])	131	=item #:META:BINDING:sym:action
167		132
168	Dynamically enable the given hooks (named without the C<on_> prefix) for	133	The BINDING comment defines a default binding for an action provided
169	this extension, replacing any previous hook. This is useful when you want	134	by the extension, where C<sym> is the key combination that triggers
170	to overwrite time-critical hooks only temporarily.	135	the action, whose format is defined in the description of the
171		136	B<keysym> resource in the urxvt(1) manpage, and C<action> is the name
172	=item $self->disable ($hook_name[, $hook_name..])	137	of the action method.
173
174	Dynamically disable the given hooks.
175		138
176	=back	139	=back
177		140
178	=head2 Hooks	141	=head2 Hooks
179		142
180	The following subroutines can be declared in extension files, and will be	143	The following subroutines can be declared in extension files, and will be
181	called whenever the relevant event happens.	144	called whenever the relevant event happens.
182		145
183	The first argument passed to them is an extension oject as described in	146	The first argument passed to them is an extension object as described in
184	the in the C<Extension Objects> section.	147	the in the C<Extension Objects> section.
185		148
186	B<All> of these hooks must return a boolean value. If it is true, then the	149	B<All> of these hooks must return a boolean value. If any of the called
187	event counts as being I<consumed>, and the invocation of other hooks is	150	hooks returns true, then the event counts as being I<consumed>, and the
188	skipped, and the relevant action might not be carried out by the C++ code.	151	relevant action might not be carried out by the C++ code.
189		152
190	I<< When in doubt, return a false value (preferably C<()>). >>	153	I<< When in doubt, return a false value (preferably C<()>). >>
191		154
192	=over 4	155	=over 4
193		156
194	=item on_init $term	157	=item on_init $term
195		158
196	Called after a new terminal object has been initialized, but before	159	Called after a new terminal object has been initialized, but before
197	windows are created or the command gets run. Most methods are unsafe to	160	windows are created or the command gets run. Most methods are unsafe to
198	call or deliver senseless data, as terminal size and other characteristics	161	call or deliver senseless data, as terminal size and other characteristics
199	have not yet been determined. You can safely query and change resources,	162	have not yet been determined. You can safely query and change resources
200	though.	163	and options, though. For many purposes the C<on_start> hook is a better
		164	place.
		165
		166	=item on_start $term
		167
		168	Called at the very end of initialisation of a new terminal, just before
		169	trying to map (display) the toplevel and returning to the main loop.
		170
		171	=item on_destroy $term
		172
		173	Called whenever something tries to destroy terminal, when the terminal is
		174	still fully functional (not for long, though).
201		175
202	=item on_reset $term	176	=item on_reset $term
203		177
204	Called after the screen is "reset" for any reason, such as resizing or	178	Called after the screen is "reset" for any reason, such as resizing or
205	control sequences. Here is where you can react on changes to size-related	179	control sequences. Here is where you can react on changes to size-related
206	variables.	180	variables.
207		181
208	=item on_start $term	182	=item on_child_start $term, $pid
209		183
210	Called at the very end of initialisation of a new terminal, just before	184	Called just after the child process has been C<fork>ed.
211	returning to the mainloop.	185
		186	=item on_child_exit $term, $status
		187
		188	Called just after the child process has exited. C<$status> is the status
		189	from C<waitpid>.
212		190
213	=item on_sel_make $term, $eventtime	191	=item on_sel_make $term, $eventtime
214		192
215	Called whenever a selection has been made by the user, but before the	193	Called whenever a selection has been made by the user, but before the
216	selection text is copied, so changes to the beginning, end or type of the	194	selection text is copied, so changes to the beginning, end or type of the
…		…
223		201
224	Called whenever a selection has been copied, but before the selection is	202	Called whenever a selection has been copied, but before the selection is
225	requested from the server. The selection text can be queried and changed	203	requested from the server. The selection text can be queried and changed
226	by calling C<< $term->selection >>.	204	by calling C<< $term->selection >>.
227		205
228	Returning a true value aborts selection grabbing. It will still be hilighted.	206	Returning a true value aborts selection grabbing. It will still be highlighted.
229		207
230	=item on_sel_extend $term	208	=item on_sel_extend $term
231		209
232	Called whenever the user tries to extend the selection (e.g. with a double	210	Called whenever the user tries to extend the selection (e.g. with a double
233	click) and is either supposed to return false (normal operation), or	211	click) and is either supposed to return false (normal operation), or
234	should extend the selection itelf and return true to suppress the built-in	212	should extend the selection itself and return true to suppress the built-in
235	processing.	213	processing. This can happen multiple times, as long as the callback
		214	returns true, it will be called on every further click by the user and is
		215	supposed to enlarge the selection more and more, if possible.
236		216
237	See the F<selection> example extension.	217	See the F<selection> example extension.
238		218
239	=item on_view_change $term, $offset	219	=item on_view_change $term, $offset
240		220
241	Called whenever the view offset changes, i..e the user or program	221	Called whenever the view offset changes, i.e. the user or program
242	scrolls. Offset C<0> means display the normal terminal, positive values	222	scrolls. Offset C<0> means display the normal terminal, positive values
243	show this many lines of scrollback.	223	show this many lines of scrollback.
244		224
245	=item on_scroll_back $term, $lines, $saved	225	=item on_scroll_back $term, $lines, $saved
246		226
…		…
250		230
251	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,	231	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,
252	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total	232	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total
253	number of lines that will be in the scrollback buffer.	233	number of lines that will be in the scrollback buffer.
254		234
255	=item on_osc_seq $term, $string	235	=item on_osc_seq $term, $op, $args, $resp
		236
		237	Called on every OSC sequence and can be used to suppress it or modify its
		238	behaviour. The default should be to return an empty list. A true value
		239	suppresses execution of the request completely. Make sure you don't get
		240	confused by recursive invocations when you output an OSC sequence within
		241	this callback.
		242
		243	C<on_osc_seq_perl> should be used for new behaviour.
		244
		245	=item on_osc_seq_perl $term, $args, $resp
256		246
257	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =	247	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
258	operating system command) is processed. Cursor position and other state	248	operating system command) is processed. Cursor position and other state
259	information is up-to-date when this happens. For interoperability, the	249	information is up-to-date when this happens. For interoperability, the
260	string should start with the extension name and a colon, to distinguish	250	string should start with the extension name (sans -osc) and a semicolon,
261	it from commands for other extensions, and this might be enforced in the	251	to distinguish it from commands for other extensions, and this might be
262	future.	252	enforced in the future.
		253
		254	For example, C<overlay-osc> uses this:
		255
		256	sub on_osc_seq_perl {
		257	my ($self, $osc, $resp) = @_;
		258
		259	return unless $osc =~ s/^overlay;//;
		260
		261	... process remaining $osc string
		262	}
263		263
264	Be careful not ever to trust (in a security sense) the data you receive,	264	Be careful not ever to trust (in a security sense) the data you receive,
265	as its source can not easily be controleld (e-mail content, messages from	265	as its source can not easily be controlled (e-mail content, messages from
266	other users on the same system etc.).	266	other users on the same system etc.).
		267
		268	For responses, C<$resp> contains the end-of-args separator used by the
		269	sender.
267		270
268	=item on_add_lines $term, $string	271	=item on_add_lines $term, $string
269		272
270	Called whenever text is about to be output, with the text as argument. You	273	Called whenever text is about to be output, with the text as argument. You
271	can filter/change and output the text yourself by returning a true value	274	can filter/change and output the text yourself by returning a true value
…		…
276	=item on_tt_write $term, $octets	279	=item on_tt_write $term, $octets
277		280
278	Called whenever some data is written to the tty/pty and can be used to	281	Called whenever some data is written to the tty/pty and can be used to
279	suppress or filter tty input.	282	suppress or filter tty input.
280		283
		284	=item on_tt_paste $term, $octets
		285
		286	Called whenever text is about to be pasted, with the text as argument. You
		287	can filter/change and paste the text yourself by returning a true value
		288	and calling C<< $term->tt_paste >> yourself. C<$octets> is
		289	locale-encoded.
		290
281	=item on_line_update $term, $row	291	=item on_line_update $term, $row
282		292
283	Called whenever a line was updated or changed. Can be used to filter	293	Called whenever a line was updated or changed. Can be used to filter
284	screen output (e.g. underline urls or other useless stuff). Only lines	294	screen output (e.g. underline urls or other useless stuff). Only lines
285	that are being shown will be filtered, and, due to performance reasons,	295	that are being shown will be filtered, and, due to performance reasons,
…		…
292	later with the already-modified line (e.g. if unrelated parts change), so	302	later with the already-modified line (e.g. if unrelated parts change), so
293	you cannot just toggle rendition bits, but only set them.	303	you cannot just toggle rendition bits, but only set them.
294		304
295	=item on_refresh_begin $term	305	=item on_refresh_begin $term
296		306
297	Called just before the screen gets redrawn. Can be used for overlay	307	Called just before the screen gets redrawn. Can be used for overlay or
298	or similar effects by modify terminal contents in refresh_begin, and	308	similar effects by modifying the terminal contents in refresh_begin, and
299	restoring them in refresh_end. The built-in overlay and selection display	309	restoring them in refresh_end. The built-in overlay and selection display
300	code is run after this hook, and takes precedence.	310	code is run after this hook, and takes precedence.
301		311
302	=item on_refresh_end $term	312	=item on_refresh_end $term
303		313
304	Called just after the screen gets redrawn. See C<on_refresh_begin>.	314	Called just after the screen gets redrawn. See C<on_refresh_begin>.
305		315
		316	=item on_action $term, $string
		317
		318	Called whenever an action is invoked for the corresponding extension
		319	(e.g. via a C<extension:string> builtin action bound to a key, see
		320	description of the B<keysym> resource in the urxvt(1) manpage). The
		321	event is simply the action string. Note that an action event is always
		322	associated to a single extension.
		323
306	=item on_keyboard_command $term, $string	324	=item on_user_command $term, $string *DEPRECATED*
307		325
308	Called whenever the user presses a key combination that has a	326	Called whenever a user-configured event is being activated (e.g. via
309	C<perl:string> action bound to it (see description of the B<keysym>	327	a C<perl:string> action bound to a key, see description of the B<keysym>
310	resource in the @@RXVT_NAME@@(1) manpage).	328	resource in the urxvt(1) manpage).
		329
		330	The event is simply the action string. This interface is going away in
		331	preference to the C<on_action> hook.
		332
		333	=item on_resize_all_windows $term, $new_width, $new_height
		334
		335	Called just after the new window size has been calculated, but before
		336	windows are actually being resized or hints are being set. If this hook
		337	returns a true value, setting of the window hints is being skipped.
		338
		339	=item on_x_event $term, $event
		340
		341	Called on every X event received on the vt window (and possibly other
		342	windows). Should only be used as a last resort. Most event structure
		343	members are not passed.
		344
		345	=item on_root_event $term, $event
		346
		347	Like C<on_x_event>, but is called for events on the root window.
311		348
312	=item on_focus_in $term	349	=item on_focus_in $term
313		350
314	Called whenever the window gets the keyboard focus, before rxvt-unicode	351	Called whenever the window gets the keyboard focus, before rxvt-unicode
315	does focus in processing.	352	does focus in processing.
316		353
317	=item on_focus_out $term	354	=item on_focus_out $term
318		355
319	Called wheneever the window loses keyboard focus, before rxvt-unicode does	356	Called whenever the window loses keyboard focus, before rxvt-unicode does
320	focus out processing.	357	focus out processing.
321		358
		359	=item on_configure_notify $term, $event
		360
		361	=item on_property_notify $term, $event
		362
322	=item on_key_press $term, $event, $keysym, $octets	363	=item on_key_press $term, $event, $keysym, $octets
323		364
324	=item on_key_release $term, $event, $keysym	365	=item on_key_release $term, $event, $keysym
325		366
326	=item on_button_press $term, $event	367	=item on_button_press $term, $event
…		…
331		372
332	=item on_map_notify $term, $event	373	=item on_map_notify $term, $event
333		374
334	=item on_unmap_notify $term, $event	375	=item on_unmap_notify $term, $event
335		376
336	Called whenever the corresponding X event is received for the terminal If	377	Called whenever the corresponding X event is received for the terminal. If
337	the hook returns true, then the even will be ignored by rxvt-unicode.	378	the hook returns true, then the event will be ignored by rxvt-unicode.
338		379
339	The event is a hash with most values as named by Xlib (see the XEvent	380	The event is a hash with most values as named by Xlib (see the XEvent
340	manpage), with the additional members C<row> and C<col>, which are the row	381	manpage), with the additional members C<row> and C<col>, which are the
341	and column under the mouse cursor.	382	(real, not screen-based) row and column under the mouse cursor.
342		383
343	C<on_key_press> additionally receives the string rxvt-unicode would	384	C<on_key_press> additionally receives the string rxvt-unicode would
344	output, if any, in locale-specific encoding.	385	output, if any, in locale-specific encoding.
345		386
346	subwindow.	387	=item on_client_message $term, $event
		388
		389	=item on_wm_protocols $term, $event
		390
		391	=item on_wm_delete_window $term, $event
		392
		393	Called when various types of ClientMessage events are received (all with
		394	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
		395
		396	=item on_bell $term
		397
		398	Called on receipt of a bell character.
347		399
348	=back	400	=back
349		401
350	=cut	402	=cut
351		403
352	package urxvt;	404	package urxvt;
353		405
354	use utf8;	406	use utf8;
355	use strict;	407	use strict 'vars';
356	use Carp ();	408	use Carp ();
357	use Scalar::Util ();	409	use Scalar::Util ();
358	use List::Util ();	410	use List::Util ();
359		411
360	our $VERSION = 1;	412	our $VERSION = 1;
361	our $TERM;	413	our $TERM;
		414	our @TERM_INIT; # should go, prevents async I/O etc.
		415	our @TERM_EXT; # should go, prevents async I/O etc.
362	our @HOOKNAME;	416	our @HOOKNAME;
363	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;	417	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
364	our %OPTION;	418	our %OPTION;
365		419
366	our $LIBDIR;	420	our $LIBDIR;
367	our $RESNAME;	421	our $RESNAME;
368	our $RESCLASS;	422	our $RESCLASS;
369	our $RXVTNAME;	423	our $RXVTNAME;
370		424
		425	our $NOCHAR = chr 0xffff;
		426
371	=head2 Variables in the C<urxvt> Package	427	=head2 Variables in the C<urxvt> Package
372		428
373	=over 4	429	=over 4
374		430
375	=item $urxvt::LIBDIR	431	=item $urxvt::LIBDIR
…		…
388	=item $urxvt::TERM	444	=item $urxvt::TERM
389		445
390	The current terminal. This variable stores the current C<urxvt::term>	446	The current terminal. This variable stores the current C<urxvt::term>
391	object, whenever a callback/hook is executing.	447	object, whenever a callback/hook is executing.
392		448
		449	=item @urxvt::TERM_INIT
		450
		451	All code references in this array will be called as methods of the next newly
		452	created C<urxvt::term> object (during the C<on_init> phase). The array
		453	gets cleared before the code references that were in it are being executed,
		454	so references can push themselves onto it again if they so desire.
		455
		456	This complements to the perl-eval command line option, but gets executed
		457	first.
		458
		459	=item @urxvt::TERM_EXT
		460
		461	Works similar to C<@TERM_INIT>, but contains perl package/class names, which
		462	get registered as normal extensions after calling the hooks in C<@TERM_INIT>
		463	but before other extensions. Gets cleared just like C<@TERM_INIT>.
		464
393	=back	465	=back
394		466
395	=head2 Functions in the C<urxvt> Package	467	=head2 Functions in the C<urxvt> Package
396		468
397	=over 4	469	=over 4
398		470
399	=item urxvt::fatal $errormessage	471	=item urxvt::fatal $errormessage
400		472
401	Fatally aborts execution with the given error message. Avoid at all	473	Fatally aborts execution with the given error message (which should
402	costs! The only time this is acceptable is when the terminal process	474	include a trailing newline). Avoid at all costs! The only time this
403	starts up.	475	is acceptable (and useful) is in the init hook, where it prevents the
		476	terminal from starting up.
404		477
405	=item urxvt::warn $string	478	=item urxvt::warn $string
406		479
407	Calls C<rxvt_warn> with the given string which should not include a	480	Calls C<rxvt_warn> with the given string which should include a trailing
408	newline. The module also overwrites the C<warn> builtin with a function	481	newline. The module also overwrites the C<warn> builtin with a function
409	that calls this function.	482	that calls this function.
410		483
411	Using this function has the advantage that its output ends up in the	484	Using this function has the advantage that its output ends up in the
412	correct place, e.g. on stderr of the connecting urxvtc client.	485	correct place, e.g. on stderr of the connecting urxvtc client.
413		486
414	Messages have a size limit of 1023 bytes currently.	487	Messages have a size limit of 1023 bytes currently.
415		488
416	=item $is_safe = urxvt::safe	489	=item @terms = urxvt::termlist
417		490
418	Returns true when it is safe to do potentially unsafe things, such as	491	Returns all urxvt::term objects that exist in this process, regardless of
419	evaluating perl code specified by the user. This is true when urxvt was	492	whether they are started, being destroyed etc., so be careful. Only term
420	started setuid or setgid.	493	objects that have perl extensions attached will be returned (because there
		494	is no urxvt::term object associated with others).
421		495
422	=item $time = urxvt::NOW	496	=item $time = urxvt::NOW
423		497
424	Returns the "current time" (as per the event loop).	498	Returns the "current time" (as per the event loop).
425		499
426	=item urxvt::CurrentTime	500	=item urxvt::CurrentTime
427		501
428	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,	502	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
429	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,	503	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
430	Button4Mask, Button5Mask, AnyModifier	504	Button4Mask, Button5Mask, AnyModifier
		505
		506	=item urxvt::NoEventMask, KeyPressMask, KeyReleaseMask,
		507	ButtonPressMask, ButtonReleaseMask, EnterWindowMask, LeaveWindowMask,
		508	PointerMotionMask, PointerMotionHintMask, Button1MotionMask, Button2MotionMask,
		509	Button3MotionMask, Button4MotionMask, Button5MotionMask, ButtonMotionMask,
		510	KeymapStateMask, ExposureMask, VisibilityChangeMask, StructureNotifyMask,
		511	ResizeRedirectMask, SubstructureNotifyMask, SubstructureRedirectMask,
		512	FocusChangeMask, PropertyChangeMask, ColormapChangeMask, OwnerGrabButtonMask
		513
		514	=item urxvt::KeyPress, KeyRelease, ButtonPress, ButtonRelease, MotionNotify,
		515	EnterNotify, LeaveNotify, FocusIn, FocusOut, KeymapNotify, Expose,
		516	GraphicsExpose, NoExpose, VisibilityNotify, CreateNotify, DestroyNotify,
		517	UnmapNotify, MapNotify, MapRequest, ReparentNotify, ConfigureNotify,
		518	ConfigureRequest, GravityNotify, ResizeRequest, CirculateNotify,
		519	CirculateRequest, PropertyNotify, SelectionClear, SelectionRequest,
		520	SelectionNotify, ColormapNotify, ClientMessage, MappingNotify
431		521
432	Various constants for use in X calls and event processing.	522	Various constants for use in X calls and event processing.
433		523
434	=back	524	=back
435		525
…		…
452		542
453	=item $rend = urxvt::OVERLAY_RSTYLE	543	=item $rend = urxvt::OVERLAY_RSTYLE
454		544
455	Return the rendition mask used for overlays by default.	545	Return the rendition mask used for overlays by default.
456		546
457	=item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline	547	=item $rendbit = urxvt::RS_Bold, urxvt::RS_Italic, urxvt::RS_Blink,
		548	urxvt::RS_RVid, urxvt::RS_Uline
458		549
459	Return the bit that enabled bold, italic, blink, reverse-video and	550	Return the bit that enabled bold, italic, blink, reverse-video and
460	underline, respectively. To enable such a style, just logically OR it into	551	underline, respectively. To enable such a style, just logically OR it into
461	the bitset.	552	the bitset.
462		553
…		…
468		559
469	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour	560	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour
470		561
471	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour	562	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour
472		563
		564	=item $rend = urxvt::SET_COLOR $rend, $new_fg, $new_bg
		565
473	Replace the foreground/background colour in the rendition mask with the	566	Replace the foreground/background colour in the rendition mask with the
474	specified one.	567	specified one.
475		568
476	=item $value = urxvt::GET_CUSTOM $rend	569	=item $value = urxvt::GET_CUSTOM $rend
477		570
…		…
486	=back	579	=back
487		580
488	=cut	581	=cut
489		582
490	BEGIN {	583	BEGIN {
491	urxvt->bootstrap;
492
493	# overwrite perl's warn	584	# overwrite perl's warn
494	*CORE::GLOBAL::warn = sub {	585	*CORE::GLOBAL::warn = sub {
495	my $msg = join "", @_;	586	my $msg = join "", @_;
496	$msg .= "\n"	587	$msg .= "\n"
497	unless $msg =~ /\n$/;	588	unless $msg =~ /\n$/;
498	urxvt::warn ($msg);	589	urxvt::warn ($msg);
499	};	590	};
500
501	# %ENV is the original startup environment
502	delete $ENV{IFS};
503	delete $ENV{CDPATH};
504	delete $ENV{BASH_ENV};
505	$ENV{PATH} = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin:/opt/sbin";
506	}	591	}
507		592
508	my @hook_count;	593	no warnings 'utf8';
		594
		595	sub parse_resource {
		596	my ($term, $name, $isarg, $longopt, $flag, $value) = @_;
		597
		598	$term->scan_extensions;
		599
		600	my $r = $term->{meta}{resource};
		601	keys %$r; # reset iterator
		602	while (my ($k, $v) = each %$r) {
		603	my $pattern = $k;
		604	$pattern =~ y/./-/ if $isarg;
		605	my $prefix = $name;
		606	my $suffix;
		607	if ($pattern =~ /\-$/) {
		608	$prefix = substr $name, 0, length $pattern;
		609	$suffix = substr $name, length $pattern;
		610	}
		611	if ($pattern eq $prefix) {
		612	$name = "$urxvt::RESCLASS.$k$suffix";
		613
		614	push @{ $term->{perl_ext_3} }, $v->[0];
		615
		616	if ($v->[1] eq "boolean") {
		617	$term->put_option_db ($name, $flag ? "true" : "false");
		618	return 1;
		619	} else {
		620	$term->put_option_db ($name, $value);
		621	return 1 + 2;
		622	}
		623	}
		624	}
		625
		626	0
		627	}
		628
		629	sub usage {
		630	my ($term, $usage_type) = @_;
		631
		632	$term->scan_extensions;
		633
		634	my $r = $term->{meta}{resource};
		635
		636	for my $pattern (sort keys %$r) {
		637	my ($ext, $type, $desc) = @{ $r->{$pattern} };
		638
		639	$desc .= " (-pe $ext)";
		640
		641	if ($usage_type == 1) {
		642	$pattern =~ y/./-/;
		643	$pattern =~ s/-$/-.../g;
		644
		645	if ($type eq "boolean") {
		646	urxvt::log sprintf " -%-30s %s\n", "/+$pattern", $desc;
		647	} else {
		648	urxvt::log sprintf " -%-30s %s\n", "$pattern $type", $desc;
		649	}
		650	} else {
		651	$pattern =~ s/\.$/.*/g;
		652	urxvt::log sprintf " %-31s %s\n", "$pattern:", $type;
		653	}
		654	}
		655	}
		656
509	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};	657	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
510		658
511	sub verbose {	659	sub verbose {
512	my ($level, $msg) = @_;	660	my ($level, $msg) = @_;
513	warn "$msg\n" if $level <= $verbosity;	661	warn "$msg\n" if $level <= $verbosity;
514	}	662	}
515		663
516	my $extension_pkg = "extension0000";
517	my %extension_pkg;	664	my %extension_pkg;
518		665
519	# load a single script into its own package, once only	666	# load a single script into its own package, once only
520	sub extension_package($) {	667	sub extension_package($) {
521	my ($path) = @_;	668	my ($path) = @_;
522		669
523	$extension_pkg{$path} ||= do {	670	$extension_pkg{$path} ||= do {
524	my $pkg = "urxvt::" . ($extension_pkg++);	671	$path =~ /([^\/\\]+)$/;
		672	my $pkg = $1;
		673	$pkg =~ s/[^[:word:]]/_/g;
		674	$pkg = "urxvt::ext::$pkg";
525		675
526	verbose 3, "loading extension '$path' into package '$pkg'";	676	verbose 3, "loading extension '$path' into package '$pkg'";
		677
		678	(${"$pkg\::_NAME"} = $path) =~ s/^.*[\\\/]//; # hackish
527		679
528	open my $fh, "<:raw", $path	680	open my $fh, "<:raw", $path
529	or die "$path: $!";	681	or die "$path: $!";
530		682
531	my $source = untaint	683	my $source =
532	"package $pkg; use strict; use utf8;\n"	684	"package $pkg; use strict 'vars'; use utf8; no warnings 'utf8';\n"
533	. "use base urxvt::term::extension::;\n"
534	. "#line 1 \"$path\"\n{\n"	685	. "#line 1 \"$path\"\n{\n"
535	. (do { local $/; <$fh> })	686	. (do { local $/; <$fh> })
536	. "\n};\n1";	687	. "\n};\n1";
537		688
538	eval $source	689	eval $source
…		…
547	# called by the rxvt core	698	# called by the rxvt core
548	sub invoke {	699	sub invoke {
549	local $TERM = shift;	700	local $TERM = shift;
550	my $htype = shift;	701	my $htype = shift;
551		702
552	if ($htype == 0) { # INIT	703	if ($htype == HOOK_INIT) {
553	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");	704	my @dirs = $TERM->perl_libdirs;
554		705
		706	$TERM->scan_extensions;
		707
555	my %ext_arg;	708	my %ext_arg;
556		709
		710	{
		711	my @init = @TERM_INIT;
		712	@TERM_INIT = ();
		713	$_->($TERM) for @init;
		714	my @pkg = @TERM_EXT;
		715	@TERM_EXT = ();
		716	$TERM->register_package ($_) for @pkg;
		717	}
		718
		719	for (
557	for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {	720	(grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2),
		721	@{ delete $TERM->{perl_ext_3} }
		722	) {
558	if ($_ eq "default") {	723	if ($_ eq "default") {
559	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback);	724
		725	$ext_arg{$_} = []
		726	for
		727	qw(selection option-popup selection-popup readline),
		728	map $_->[0], values %{ $TERM->{meta}{binding} };
		729
		730	for ($TERM->_keysym_resources) {
		731	next if /^(?:string|command|builtin|builtin-string|perl)/;
		732	next unless /^([A-Za-z0-9_\-]+):/;
		733
		734	my $ext = $1;
		735
		736	$ext_arg{$ext} = [];
		737	}
		738
560	} elsif (/^-(.*)$/) {	739	} elsif (/^-(.*)$/) {
561	delete $ext_arg{$1};	740	delete $ext_arg{$1};
		741
562	} elsif (/^([^<]+)<(.*)>$/) {	742	} elsif (/^([^<]+)<(.*)>$/) {
563	push @{ $ext_arg{$1} }, $2;	743	push @{ $ext_arg{$1} }, $2;
		744
564	} else {	745	} else {
565	$ext_arg{$_} ||= [];	746	$ext_arg{$_} ||= [];
566	}	747	}
567	}	748	}
568		749
569	while (my ($ext, $argv) = each %ext_arg) {	750	# now register default key bindings
		751	for my $ext (sort keys %ext_arg) {
		752	while (my ($k, $v) = each %{ $TERM->{meta}{ext}{$ext}{binding} }) {
		753	$TERM->bind_action ($k, "$v->[0]:$v->[1]");
		754	}
		755	}
		756
		757	for my $ext (sort keys %ext_arg) {
570	my @files = grep -f $_, map "$_/$ext", @dirs;	758	my @files = grep -f $_, map "$_/$ext", @dirs;
571		759
572	if (@files) {	760	if (@files) {
573	$TERM->register_package (extension_package $files[0], $argv);	761	$TERM->register_package (extension_package $files[0], $ext_arg{$ext});
574	} else {	762	} else {
575	warn "perl extension '$ext' not found in perl library search path\n";	763	warn "perl extension '$ext' not found in perl library search path\n";
576	}	764	}
577	}	765	}
578		766
…		…
584		772
585	if (my $cb = $TERM->{_hook}[$htype]) {	773	if (my $cb = $TERM->{_hook}[$htype]) {
586	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"	774	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
587	if $verbosity >= 10;	775	if $verbosity >= 10;
588		776
589	keys %$cb;	777	if ($htype == HOOK_ACTION) {
		778	# this hook is only sent to the extension with the name
		779	# matching the first arg
		780	my $pkg = shift;
		781	$pkg =~ y/-/_/;
		782	$pkg = "urxvt::ext::$pkg";
590		783
591	while (my ($pkg, $cb) = each %$cb) {	784	$cb = $cb->{$pkg}
		785	or return undef; #TODO: maybe warn user?
		786
		787	$cb = { $pkg => $cb };
		788	}
		789
		790	for my $pkg (keys %$cb) {
592	$retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) }	791	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg} || $TERM, @_) };
593	and last;	792	$retval ||= $retval_;
594		793
595	if ($@) {	794	if ($@) {
596	$TERM->ungrab; # better to lose the grab than the session	795	$TERM->ungrab; # better to lose the grab than the session
597	warn $@;	796	warn $@;
598	}	797	}
599	}	798	}
		799
		800	verbose 11, "$HOOKNAME[$htype] returning <$retval>"
		801	if $verbosity >= 11;
600	}	802	}
601		803
602	if ($htype == 1) { # DESTROY	804	if ($htype == HOOK_DESTROY) {
603	if (my $hook = delete $TERM->{_hook}) {
604	for my $htype (0..$#$hook) {
605	$hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
606	or set_should_invoke $htype, 0;
607	}
608	}
609
610	# clear package objects	805	# clear package objects
611	%$_ = () for values %{ $TERM->{_pkg} };	806	%$_ = () for values %{ $TERM->{_pkg} };
612		807
613	# clear package	808	# clear package
614	%$TERM = ();	809	%$TERM = ();
615	}	810	}
616		811
617	$retval	812	$retval
618	}	813	}
619		814
620	# urxvt::term::extension	815	sub SET_COLOR($$$) {
		816	SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
		817	}
621		818
622	package urxvt::term::extension;	819	sub rend2mask {
623		820	no strict 'refs';
624	sub enable {	821	my ($str, $mask) = (@_, 0);
625	my ($self, %hook) = @_;	822	my %color = ( fg => undef, bg => undef );
626	my $pkg = $self->{_pkg};	823	my @failed;
627		824	for my $spec ( split /\s+/, $str ) {
628	while (my ($name, $cb) = each %hook) {	825	if ( $spec =~ /^([fb]g)[_:-]?(\d+)/i ) {
629	my $htype = $HOOKTYPE{uc $name};	826	$color{lc($1)} = $2;
630	defined $htype	827	} else {
631	or Carp::croak "unsupported hook type '$name'";	828	my $neg = $spec =~ s/^[-^]//;
632		829	unless ( exists &{"RS_$spec"} ) {
633	unless (exists $self->{term}{_hook}[$htype]{$pkg}) {	830	push @failed, $spec;
634	$hook_count[$htype]++	831	next;
635	or urxvt::set_should_invoke $htype, 1;
636	}	832	}
637		833	my $cur = &{"RS_$spec"};
638	$self->{term}{_hook}[$htype]{$pkg} = $cb;	834	if ( $neg ) {
639	}	835	$mask &= ~$cur;
640	}	836	} else {
641		837	$mask |= $cur;
642	sub disable {	838	}
643	my ($self, @hook) = @_;
644	my $pkg = $self->{_pkg};
645
646	for my $name (@hook) {
647	my $htype = $HOOKTYPE{uc $name};
648	defined $htype
649	or Carp::croak "unsupported hook type '$name'";
650
651	if (delete $self->{term}{_hook}[$htype]{$pkg}) {
652	--$hook_count[$htype]
653	or urxvt::set_should_invoke $htype, 0;
654	}	839	}
655	}	840	}
		841	($mask, @color{qw(fg bg)}, \@failed)
656	}	842	}
		843
		844	package urxvt::term::extension;
		845
		846	=head2 The C<urxvt::term::extension> class
		847
		848	Each extension attached to a terminal object is represented by
		849	a C<urxvt::term::extension> object.
		850
		851	You can use these objects, which are passed to all callbacks to store any
		852	state related to the terminal and extension instance.
		853
		854	The methods (And data members) documented below can be called on extension
		855	objects, in addition to call methods documented for the <urxvt::term>
		856	class.
		857
		858	=over 4
		859
		860	=item $urxvt_term = $self->{term}
		861
		862	Returns the C<urxvt::term> object associated with this instance of the
		863	extension. This member I<must not> be changed in any way.
		864
		865	=cut
657		866
658	our $AUTOLOAD;	867	our $AUTOLOAD;
659		868
660	sub AUTOLOAD {	869	sub AUTOLOAD {
661	$AUTOLOAD =~ /:([^:]+)$/	870	$AUTOLOAD =~ /:([^:]+)$/
…		…
674		883
675	sub DESTROY {	884	sub DESTROY {
676	# nop	885	# nop
677	}	886	}
678		887
679	# urxvt::destroy_hook	888	# urxvt::destroy_hook (basically a cheap Guard:: implementation)
680		889
681	sub urxvt::destroy_hook::DESTROY {	890	sub urxvt::destroy_hook::DESTROY {
682	${$_[0]}->();	891	${$_[0]}->();
683	}	892	}
684		893
685	sub urxvt::destroy_hook(&) {	894	sub urxvt::destroy_hook(&) {
686	bless \shift, urxvt::destroy_hook::	895	bless \shift, urxvt::destroy_hook::
687	}	896	}
		897
		898	=item $self->enable ($hook_name => $cb[, $hook_name => $cb..])
		899
		900	Dynamically enable the given hooks (named without the C<on_> prefix) for
		901	this extension, replacing any hook previously installed via C<enable> in
		902	this extension.
		903
		904	This is useful when you want to overwrite time-critical hooks only
		905	temporarily.
		906
		907	To install additional callbacks for the same hook, you can use the C<on>
		908	method of the C<urxvt::term> class.
		909
		910	=item $self->disable ($hook_name[, $hook_name..])
		911
		912	Dynamically disable the given hooks.
		913
		914	=cut
		915
		916	sub enable {
		917	my ($self, %hook) = @_;
		918	my $pkg = $self->{_pkg};
		919
		920	while (my ($name, $cb) = each %hook) {
		921	my $htype = $HOOKTYPE{uc $name};
		922	defined $htype
		923	or Carp::croak "unsupported hook type '$name'";
		924
		925	$self->set_should_invoke ($htype, +1)
		926	unless exists $self->{term}{_hook}[$htype]{$pkg};
		927
		928	$self->{term}{_hook}[$htype]{$pkg} = $cb;
		929	}
		930	}
		931
		932	sub disable {
		933	my ($self, @hook) = @_;
		934	my $pkg = $self->{_pkg};
		935
		936	for my $name (@hook) {
		937	my $htype = $HOOKTYPE{uc $name};
		938	defined $htype
		939	or Carp::croak "unsupported hook type '$name'";
		940
		941	$self->set_should_invoke ($htype, -1)
		942	if delete $self->{term}{_hook}[$htype]{$pkg};
		943	}
		944	}
		945
		946	=item $guard = $self->on ($hook_name => $cb[, $hook_name => $cb..])
		947
		948	Similar to the C<enable> enable, but installs additional callbacks for
		949	the given hook(s) (that is, it doesn't replace existing callbacks), and
		950	returns a guard object. When the guard object is destroyed the callbacks
		951	are disabled again.
		952
		953	=cut
		954
		955	sub urxvt::extension::on_disable::DESTROY {
		956	my $disable = shift;
		957
		958	my $term = delete $disable->{""};
		959
		960	while (my ($htype, $id) = each %$disable) {
		961	delete $term->{_hook}[$htype]{$id};
		962	$term->set_should_invoke ($htype, -1);
		963	}
		964	}
		965
		966	sub on {
		967	my ($self, %hook) = @_;
		968
		969	my $term = $self->{term};
		970
		971	my %disable = ( "" => $term );
		972
		973	while (my ($name, $cb) = each %hook) {
		974	my $htype = $HOOKTYPE{uc $name};
		975	defined $htype
		976	or Carp::croak "unsupported hook type '$name'";
		977
		978	$term->set_should_invoke ($htype, +1);
		979	$term->{_hook}[$htype]{ $disable{$htype} = $cb+0 }
		980	= sub { shift; $cb->($self, @_) }; # very ugly indeed
		981	}
		982
		983	bless \%disable, "urxvt::extension::on_disable"
		984	}
		985
		986	=item $self->x_resource ($pattern)
		987
		988	=item $self->x_resource_boolean ($pattern)
		989
		990	These methods support an additional C<%> prefix when called on an
		991	extension object - see the description of these methods in the
		992	C<urxvt::term> class for details.
		993
		994	=cut
		995
		996	sub x_resource {
		997	my ($self, $name) = @_;
		998	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		999	$self->{term}->x_resource ($name)
		1000	}
		1001
		1002	sub x_resource_boolean {
		1003	my ($self, $name) = @_;
		1004	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		1005	$self->{term}->x_resource_boolean ($name)
		1006	}
		1007
		1008	=back
		1009
		1010	=cut
688		1011
689	package urxvt::anyevent;	1012	package urxvt::anyevent;
690		1013
691	=head2 The C<urxvt::anyevent> Class	1014	=head2 The C<urxvt::anyevent> Class
692		1015
693	The sole purpose of this class is to deliver an interface to the	1016	The sole purpose of this class is to deliver an interface to the
694	C<AnyEvent> module - any module using it will work inside urxvt without	1017	C<AnyEvent> module - any module using it will work inside urxvt without
695	further programming. The only exception is that you cannot wait on	1018	further programming. The only exception is that you cannot wait on
696	condition variables, but non-blocking condvar use is ok. What this means	1019	condition variables, but non-blocking condvar use is ok.
697	is that you cannot use blocking APIs, but the non-blocking variant should
698	work.
699		1020
700	=cut	1021	In practical terms this means is that you cannot use blocking APIs, but
		1022	the non-blocking variant should work.
701		1023
		1024	=cut
		1025
702	our $VERSION = 1;	1026	our $VERSION = '5.23';
703		1027
704	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there	1028	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
705	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];	1029	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
706		1030
707	sub timer {	1031	sub timer {
…		…
709		1033
710	my $cb = $arg{cb};	1034	my $cb = $arg{cb};
711		1035
712	urxvt::timer	1036	urxvt::timer
713	->new	1037	->new
714	->start (urxvt::NOW + $arg{after})	1038	->after ($arg{after}, $arg{interval})
715	->cb (sub {	1039	->cb ($arg{interval} ? $cb : sub {
716	$_[0]->stop; # need to cancel manually	1040	$_[0]->stop; # need to cancel manually
717	$cb->();	1041	$cb->();
718	})	1042	})
719	}	1043	}
720		1044
721	sub io {	1045	sub io {
722	my ($class, %arg) = @_;	1046	my ($class, %arg) = @_;
723		1047
724	my $cb = $arg{cb};	1048	my $cb = $arg{cb};
		1049	my $fd = fileno $arg{fh};
		1050	defined $fd or $fd = $arg{fh};
725		1051
726	bless [$arg{fh}, urxvt::iow	1052	bless [$arg{fh}, urxvt::iow
727	->new	1053	->new
728	->fd (fileno $arg{fh})	1054	->fd ($fd)
729	->events (($arg{poll} =~ /r/ ? 1 : 0)	1055	->events (($arg{poll} =~ /r/ ? 1 : 0)
730	| ($arg{poll} =~ /w/ ? 2 : 0))	1056	| ($arg{poll} =~ /w/ ? 2 : 0))
731	->start	1057	->start
732	->cb (sub {	1058	->cb ($cb)
733	$cb->(($_[1] & 1 ? 'r' : '')
734	. ($_[1] & 2 ? 'w' : ''));
735	})],
736	urxvt::anyevent::	1059	], urxvt::anyevent::
		1060	}
		1061
		1062	sub idle {
		1063	my ($class, %arg) = @_;
		1064
		1065	my $cb = $arg{cb};
		1066
		1067	urxvt::iw
		1068	->new
		1069	->start
		1070	->cb ($cb)
		1071	}
		1072
		1073	sub child {
		1074	my ($class, %arg) = @_;
		1075
		1076	my $cb = $arg{cb};
		1077
		1078	urxvt::pw
		1079	->new
		1080	->start ($arg{pid})
		1081	->cb (sub {
		1082	$_[0]->stop; # need to cancel manually
		1083	$cb->($_[0]->rpid, $_[0]->rstatus);
		1084	})
737	}	1085	}
738		1086
739	sub DESTROY {	1087	sub DESTROY {
740	$_[0][1]->stop;	1088	$_[0][1]->stop;
741	}	1089	}
742		1090
743	sub condvar {	1091	# only needed for AnyEvent < 6 compatibility
744	bless \my $flag, urxvt::anyevent::condvar::	1092	sub one_event {
745	}
746
747	sub urxvt::anyevent::condvar::broadcast {
748	${$_[0]}++;
749	}
750
751	sub urxvt::anyevent::condvar::wait {
752	unless (${$_[0]}) {
753	Carp::croak "AnyEvent->condvar blocking wait unsupported in urxvt, use a non-blocking API";	1093	Carp::croak "AnyEvent->one_event blocking wait unsupported in urxvt, use a non-blocking API";
754	}
755	}	1094	}
756		1095
757	package urxvt::term;	1096	package urxvt::term;
758		1097
759	=head2 The C<urxvt::term> Class	1098	=head2 The C<urxvt::term> Class
…		…
765	# find on_xxx subs in the package and register them	1104	# find on_xxx subs in the package and register them
766	# as hooks	1105	# as hooks
767	sub register_package {	1106	sub register_package {
768	my ($self, $pkg, $argv) = @_;	1107	my ($self, $pkg, $argv) = @_;
769		1108
		1109	no strict 'refs';
		1110
		1111	urxvt::verbose 6, "register package $pkg to $self";
		1112
		1113	@{"$pkg\::ISA"} = urxvt::term::extension::;
		1114
770	my $proxy = bless {	1115	my $proxy = bless {
771	_pkg => $pkg,	1116	_pkg => $pkg,
		1117	_name => ${"$pkg\::_NAME"}, # hackish
772	argv => $argv,	1118	argv => $argv,
773	}, $pkg;	1119	}, $pkg;
774	Scalar::Util::weaken ($proxy->{term} = $self);	1120	Scalar::Util::weaken ($proxy->{term} = $self);
775		1121
776	$self->{_pkg}{$pkg} = $proxy;	1122	$self->{_pkg}{$pkg} = $proxy;
777		1123
…		…
780	$proxy->enable ($name => $ref);	1126	$proxy->enable ($name => $ref);
781	}	1127	}
782	}	1128	}
783	}	1129	}
784		1130
		1131	sub perl_libdirs {
		1132	map { split /:/ }
		1133	$_[0]->resource ("perl_lib"),
		1134	$ENV{URXVT_PERL_LIB},
		1135	"$ENV{HOME}/.urxvt/ext",
		1136	"$LIBDIR/perl"
		1137	}
		1138
		1139	# scan for available extensions and collect their metadata
		1140	sub scan_extensions {
		1141	my ($self) = @_;
		1142
		1143	return if exists $self->{meta};
		1144
		1145	my @libdirs = perl_libdirs $self;
		1146
		1147	# return if $self->{meta_libdirs} eq join "\x00", @libdirs;#d#
		1148
		1149	# $self->{meta_libdirs} = join "\x00", @libdirs;#d#
		1150	$self->{meta} = \my %meta;
		1151
		1152	# first gather extensions
		1153	for my $dir (reverse @libdirs) {
		1154	opendir my $fh, $dir
		1155	or next;
		1156	for my $ext (readdir $fh) {
		1157	$ext !~ /^\./
		1158	and open my $fh, "<", "$dir/$ext"
		1159	or next;
		1160
		1161	my %ext = (dir => $dir);
		1162
		1163	while (<$fh>) {
		1164	if (/^#:META:(?:X_)?RESOURCE:(.*)/) {
		1165	my ($pattern, $type, $desc) = split /:/, $1;
		1166	$pattern =~ s/^%(\.|$)/$ext$1/g; # % in pattern == extension name
		1167	if ($pattern =~ /[^a-zA-Z0-9\-\.]/) {
		1168	warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n";
		1169	} else {
		1170	$ext{resource}{$pattern} = [$ext, $type, $desc];
		1171	}
		1172	} elsif (/^#:META:BINDING:(.*)/) {
		1173	my ($keysym, $action) = split /:/, $1;
		1174	$ext{binding}{$keysym} = [$ext, $action];
		1175	} elsif (/^\s*(?:#|$)/) {
		1176	# skip other comments and empty lines
		1177	} else {
		1178	last; # stop parsing on first non-empty non-comment line
		1179	}
		1180	}
		1181
		1182	$meta{ext}{$ext} = \%ext;
		1183	}
		1184	}
		1185
		1186	# and now merge resources and bindings
		1187	while (my ($k, $v) = each %{ $meta{ext} }) {
		1188	#TODO: should check for extensions overriding each other
		1189	%{ $meta{resource} } = (%{ $meta{resource} }, %{ $v->{resource} });
		1190	%{ $meta{binding} } = (%{ $meta{binding} }, %{ $v->{binding} });
		1191	}
		1192	}
		1193
785	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]	1194	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
786		1195
787	Creates a new terminal, very similar as if you had started it with system	1196	Creates a new terminal, very similar as if you had started it with system
788	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like	1197	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
789	hash which defines the environment of the new terminal.	1198	hash which defines the environment of the new terminal.
790		1199
791	Croaks (and probably outputs an error message) if the new instance	1200	Croaks (and probably outputs an error message) if the new instance
792	couldn't be created. Returns C<undef> if the new instance didn't	1201	couldn't be created. Returns C<undef> if the new instance didn't
793	initialise perl, and the terminal object otherwise. The C<init> and	1202	initialise perl, and the terminal object otherwise. The C<init> and
794	C<start> hooks will be called during this call.	1203	C<start> hooks will be called before this call returns, and are free to
		1204	refer to global data (which is race free).
795		1205
796	=cut	1206	=cut
797		1207
798	sub new {	1208	sub new {
799	my ($class, $env, @args) = @_;	1209	my ($class, $env, @args) = @_;
800		1210
		1211	$env or Carp::croak "environment hash missing in call to urxvt::term->new";
		1212	@args or Carp::croak "name argument missing in call to urxvt::term->new";
		1213
801	_new ([ map "$_=$env->{$_}", keys %$env ], @args);	1214	_new ([ map "$_=$env->{$_}", keys %$env ], \@args);
802	}	1215	}
803		1216
804	=item $term->destroy	1217	=item $term->destroy
805		1218
806	Destroy the terminal object (close the window, free resources	1219	Destroy the terminal object (close the window, free resources
807	etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event	1220	etc.). Please note that urxvt will not exit as long as any event
808	watchers (timers, io watchers) are still active.	1221	watchers (timers, io watchers) are still active.
		1222
		1223	=item $term->exec_async ($cmd[, @args])
		1224
		1225	Works like the combination of the C<fork>/C<exec> builtins, which executes
		1226	("starts") programs in the background. This function takes care of setting
		1227	the user environment before exec'ing the command (e.g. C<PATH>) and should
		1228	be preferred over explicit calls to C<exec> or C<system>.
		1229
		1230	Returns the pid of the subprocess or C<undef> on error.
		1231
		1232	=cut
		1233
		1234	sub exec_async {
		1235	my $self = shift;
		1236
		1237	my $pid = fork;
		1238
		1239	return $pid
		1240	if !defined $pid or $pid;
		1241
		1242	%ENV = %{ $self->env };
		1243
		1244	exec @_;
		1245	urxvt::_exit 255;
		1246	}
809		1247
810	=item $isset = $term->option ($optval[, $set])	1248	=item $isset = $term->option ($optval[, $set])
811		1249
812	Returns true if the option specified by C<$optval> is enabled, and	1250	Returns true if the option specified by C<$optval> is enabled, and
813	optionally change it. All option values are stored by name in the hash	1251	optionally change it. All option values are stored by name in the hash
814	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.	1252	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
815		1253
816	Here is a a likely non-exhaustive list of option names, please see the	1254	Here is a likely non-exhaustive list of option names, please see the
817	source file F</src/optinc.h> to see the actual list:	1255	source file F</src/optinc.h> to see the actual list:
818		1256
819	borderLess console cursorBlink cursorUnderline hold iconic insecure	1257	borderLess buffered console cursorBlink cursorUnderline hold iconic
820	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage	1258	insecure intensityStyles iso14755 iso14755_52 jumpScroll loginShell
		1259	mapAlert meta8 mouseWheelScrollPage override_redirect pastableTabs
821	pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating	1260	pointerBlank reverseVideo scrollBar scrollBar_floating scrollBar_right
822	scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer	1261	scrollTtyKeypress scrollTtyOutput scrollWithBuffer secondaryScreen
823	secondaryScreen secondaryScroll skipBuiltinGlyphs transparent	1262	secondaryScroll skipBuiltinGlyphs skipScroll transparent tripleclickwords
824	tripleclickwords utmpInhibit visualBell	1263	urgentOnBell utmpInhibit visualBell
825		1264
826	=item $value = $term->resource ($name[, $newval])	1265	=item $value = $term->resource ($name[, $newval])
827		1266
828	Returns the current resource value associated with a given name and	1267	Returns the current resource value associated with a given name and
829	optionally sets a new value. Setting values is most useful in the C<init>	1268	optionally sets a new value. Setting values is most useful in the C<init>
…		…
838	likely change).	1277	likely change).
839		1278
840	Please note that resource strings will currently only be freed when the	1279	Please note that resource strings will currently only be freed when the
841	terminal is destroyed, so changing options frequently will eat memory.	1280	terminal is destroyed, so changing options frequently will eat memory.
842		1281
843	Here is a a likely non-exhaustive list of resource names, not all of which	1282	Here is a likely non-exhaustive list of resource names, not all of which
844	are supported in every build, please see the source file F</src/rsinc.h>	1283	are supported in every build, please see the source file F</src/rsinc.h>
845	to see the actual list:	1284	to see the actual list:
846		1285
847	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont	1286	answerbackstring backgroundPixmap backspace_key blurradius
848	borderLess color cursorBlink cursorUnderline cutchars delete_key	1287	boldFont boldItalicFont borderLess buffered chdir color cursorBlink
849	display_name embed ext_bwidth fade font geometry hold iconName	1288	cursorUnderline cutchars delete_key depth display_name embed ext_bwidth
850	imFont imLocale inputMethod insecure int_bwidth intensityStyles	1289	fade font geometry hold iconName iconfile imFont imLocale inputMethod
		1290	insecure int_bwidth intensityStyles iso14755 iso14755_52 italicFont
851	italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier	1291	jumpScroll letterSpace lineSpace loginShell mapAlert meta8 modifier
852	mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2	1292	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
853	perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd	1293	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
854	reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating	1294	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
855	scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput	1295	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
856	scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle	1296	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
857	shade term_name title transparent transparent_all tripleclickwords	1297	secondaryScreen secondaryScroll shade skipBuiltinGlyphs skipScroll
		1298	term_name title transient_for transparent tripleclickwords urgentOnBell
858	utmpInhibit visualBell	1299	utmpInhibit visualBell
859		1300
860	=cut	1301	=cut
861		1302
862	sub resource($$;$) {	1303	sub resource($$;$) {
863	my ($self, $name) = (shift, shift);	1304	my ($self, $name) = (shift, shift);
864	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);	1305	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
865	&urxvt::term::_resource	1306	goto &urxvt::term::_resource
866	}	1307	}
867		1308
868	=item $value = $term->x_resource ($pattern)	1309	=item $value = $term->x_resource ($pattern)
869		1310
870	Returns the X-Resource for the given pattern, excluding the program or	1311	Returns the X-Resource for the given pattern, excluding the program or
871	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the	1312	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
872	same value as used by this instance of rxvt-unicode. Returns C<undef> if no	1313	same value as used by this instance of rxvt-unicode. Returns C<undef> if no
873	resource with that pattern exists.	1314	resource with that pattern exists.
874		1315
		1316	Extensions that define extra resources also need to call this method
		1317	to access their values.
		1318
		1319	If the method is called on an extension object (basically, from an
		1320	extension), then the special prefix C<%.> will be replaced by the name of
		1321	the extension and a dot, and the lone string C<%> will be replaced by the
		1322	extension name itself. This makes it possible to code extensions so you
		1323	can rename them and get a new set of resources without having to change
		1324	the actual code.
		1325
875	This method should only be called during the C<on_start> hook, as there is	1326	This method should only be called during the C<on_start> hook, as there is
876	only one resource database per display, and later invocations might return	1327	only one resource database per display, and later invocations might return
877	the wrong resources.	1328	the wrong resources.
878		1329
879	=item $success = $term->parse_keysym ($keysym_spec, $command_string)	1330	=item $value = $term->x_resource_boolean ($pattern)
880		1331
		1332	Like C<x_resource>, above, but interprets the string value as a boolean
		1333	and returns C<1> for true values, C<0> for false values and C<undef> if
		1334	the resource or option isn't specified.
		1335
		1336	You should always use this method to parse boolean resources.
		1337
		1338	=cut
		1339
		1340	sub x_resource_boolean {
		1341	my $res = &x_resource;
		1342
		1343	$res =~ /^\s*(?:true|yes|on|1)\s*$/i ? 1 : defined $res && 0
		1344	}
		1345
		1346	=item $success = $term->bind_action ($key, $octets)
		1347
881	Adds a keymap translation exactly as specified via a resource. See the	1348	Adds a key binding exactly as specified via a C<keysym> resource. See the
882	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.	1349	C<keysym> resource in the urxvt(1) manpage.
883		1350
884	=item $rend = $term->rstyle ([$new_rstyle])	1351	=item $rend = $term->rstyle ([$new_rstyle])
885		1352
886	Return and optionally change the current rendition. Text that is output by	1353	Return and optionally change the current rendition. Text that is output by
887	the terminal application will use this style.	1354	the terminal application will use this style.
…		…
895		1362
896	=item ($row, $col) = $term->selection_beg ([$row, $col])	1363	=item ($row, $col) = $term->selection_beg ([$row, $col])
897		1364
898	=item ($row, $col) = $term->selection_end ([$row, $col])	1365	=item ($row, $col) = $term->selection_end ([$row, $col])
899		1366
900	Return the current values of the selection mark, begin or end positions,	1367	Return the current values of the selection mark, begin or end positions.
901	and optionally set them to new values.
902		1368
		1369	When arguments are given, then the selection coordinates are set to
		1370	C<$row> and C<$col>, and the selection screen is set to the current
		1371	screen.
		1372
		1373	=item $screen = $term->selection_screen ([$screen])
		1374
		1375	Returns the current selection screen, and then optionally sets it.
		1376
		1377	=item $term->selection_make ($eventtime[, $rectangular])
		1378
		1379	Tries to make a selection as set by C<selection_beg> and
		1380	C<selection_end>. If C<$rectangular> is true (default: false), a
		1381	rectangular selection will be made. This is the preferred function to make
		1382	a selection.
		1383
903	=item $success = $term->selection_grab ($eventtime)	1384	=item $success = $term->selection_grab ($eventtime[, $clipboard])
904		1385
905	Try to request the primary selection from the server (for example, as set	1386	Try to acquire ownership of the primary (clipboard if C<$clipboard> is
906	by the next method).	1387	true) selection from the server. The corresponding text can be set
		1388	with the next method. No visual feedback will be given. This function
		1389	is mostly useful from within C<on_sel_grab> hooks.
907		1390
908	=item $oldtext = $term->selection ([$newtext])	1391	=item $oldtext = $term->selection ([$newtext, $clipboard])
909		1392
910	Return the current selection text and optionally replace it by C<$newtext>.	1393	Return the current selection (clipboard if C<$clipboard> is true) text
		1394	and optionally replace it by C<$newtext>.
		1395
		1396	=item $term->selection_clear ([$clipboard])
		1397
		1398	Revoke ownership of the primary (clipboard if C<$clipboard> is true) selection.
911		1399
912	=item $term->overlay_simple ($x, $y, $text)	1400	=item $term->overlay_simple ($x, $y, $text)
913		1401
914	Create a simple multi-line overlay box. See the next method for details.	1402	Create a simple multi-line overlay box. See the next method for details.
915		1403
…		…
945		1433
946	The methods currently supported on C<urxvt::overlay> objects are:	1434	The methods currently supported on C<urxvt::overlay> objects are:
947		1435
948	=over 4	1436	=over 4
949		1437
950	=item $overlay->set ($x, $y, $text, $rend)	1438	=item $overlay->set ($x, $y, $text[, $rend])
951		1439
952	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts	1440	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts
953	text in rxvt-unicode's special encoding and an array of rendition values	1441	text in rxvt-unicode's special encoding and an array of rendition values
954	at a specific position inside the overlay.	1442	at a specific position inside the overlay.
		1443
		1444	If C<$rend> is missing, then the rendition will not be changed.
955		1445
956	=item $overlay->hide	1446	=item $overlay->hide
957		1447
958	If visible, hide the overlay, but do not destroy it.	1448	If visible, hide the overlay, but do not destroy it.
959		1449
…		…
1004	Convert the given locale-encoded octets into a perl string.	1494	Convert the given locale-encoded octets into a perl string.
1005		1495
1006	=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])	1496	=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])
1007		1497
1008	XORs the rendition values in the given span with the provided value	1498	XORs the rendition values in the given span with the provided value
1009	(default: C<RS_RVid>). Useful in refresh hooks to provide effects similar	1499	(default: C<RS_RVid>), which I<MUST NOT> contain font styles. Useful in
1010	to the selection.	1500	refresh hooks to provide effects similar to the selection.
1011		1501
1012	=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])	1502	=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])
1013		1503
1014	Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing	1504	Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing
1015	whitespace will additionally be xored with the C<$rstyle2>, which defaults	1505	whitespace will additionally be xored with the C<$rstyle2>, which defaults
1016	to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines	1506	to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines
1017	it instead.	1507	it instead. Both styles I<MUST NOT> contain font styles.
1018		1508
1019	=item $term->scr_bell	1509	=item $term->scr_bell
1020		1510
1021	Ring the bell!	1511	Ring the bell!
1022		1512
1023	=item $term->scr_add_lines ($string)	1513	=item $term->scr_add_lines ($string)
1024		1514
1025	Write the given text string to the screen, as if output by the application	1515	Write the given text string to the screen, as if output by the application
1026	running inside the terminal. It may not contain command sequences (escape	1516	running inside the terminal. It may not contain command sequences (escape
1027	codes), but is free to use line feeds, carriage returns and tabs. The	1517	codes - see C<cmd_parse> for that), but is free to use line feeds,
1028	string is a normal text string, not in locale-dependent encoding.	1518	carriage returns and tabs. The string is a normal text string, not in
		1519	locale-dependent encoding.
1029		1520
1030	Normally its not a good idea to use this function, as programs might be	1521	Normally its not a good idea to use this function, as programs might be
1031	confused by changes in cursor position or scrolling. Its useful inside a	1522	confused by changes in cursor position or scrolling. Its useful inside a
1032	C<on_add_lines> hook, though.	1523	C<on_add_lines> hook, though.
1033		1524
		1525	=item $term->scr_change_screen ($screen)
		1526
		1527	Switch to given screen - 0 primary, 1 secondary.
		1528
1034	=item $term->cmd_parse ($octets)	1529	=item $term->cmd_parse ($octets)
1035		1530
1036	Similar to C<scr_add_lines>, but the argument must be in the	1531	Similar to C<scr_add_lines>, but the argument must be in the
1037	locale-specific encoding of the terminal and can contain command sequences	1532	locale-specific encoding of the terminal and can contain command sequences
1038	(escape codes) that will be interpreted.	1533	(escape codes) that will be interpreted.
1039		1534
1040	=item $term->tt_write ($octets)	1535	=item $term->tt_write ($octets)
1041		1536
1042	Write the octets given in C<$data> to the tty (i.e. as program input). To	1537	Write the octets given in C<$octets> to the tty (i.e. as user input
		1538	to the program, see C<cmd_parse> for the opposite direction). To pass
1043	pass characters instead of octets, you should convert your strings first	1539	characters instead of octets, you should convert your strings first to the
1044	to the locale-specific encoding using C<< $term->locale_encode >>.	1540	locale-specific encoding using C<< $term->locale_encode >>.
		1541
		1542	=item $term->tt_write_user_input ($octets)
		1543
		1544	Like C<tt_write>, but should be used when writing strings in response to
		1545	the user pressing a key, to invoke the additional actions requested by
		1546	the user for that case (C<tt_write> doesn't do that).
		1547
		1548	The typical use case would be inside C<on_action> hooks.
		1549
		1550	=item $term->tt_paste ($octets)
		1551
		1552	Write the octets given in C<$octets> to the tty as a paste, converting NL to
		1553	CR and bracketing the data with control sequences if bracketed paste mode
		1554	is set.
1045		1555
1046	=item $old_events = $term->pty_ev_events ([$new_events])	1556	=item $old_events = $term->pty_ev_events ([$new_events])
1047		1557
1048	Replaces the event mask of the pty watcher by the given event mask. Can	1558	Replaces the event mask of the pty watcher by the given event mask. Can
1049	be used to suppress input and output handling to the pty/tty. See the	1559	be used to suppress input and output handling to the pty/tty. See the
1050	description of C<< urxvt::timer->events >>. Make sure to always restore	1560	description of C<< urxvt::timer->events >>. Make sure to always restore
1051	the previous value.	1561	the previous value.
1052		1562
		1563	=item $fd = $term->pty_fd
		1564
		1565	Returns the master file descriptor for the pty in use, or C<-1> if no pty
		1566	is used.
		1567
1053	=item $windowid = $term->parent	1568	=item $windowid = $term->parent
1054		1569
1055	Return the window id of the toplevel window.	1570	Return the window id of the toplevel window.
1056		1571
1057	=item $windowid = $term->vt	1572	=item $windowid = $term->vt
1058		1573
1059	Return the window id of the terminal window.	1574	Return the window id of the terminal window.
1060		1575
		1576	=item $term->vt_emask_add ($x_event_mask)
		1577
		1578	Adds the specified events to the vt event mask. Useful e.g. when you want
		1579	to receive pointer events all the times:
		1580
		1581	$term->vt_emask_add (urxvt::PointerMotionMask);
		1582
		1583	=item $term->set_urgency ($set)
		1584
		1585	Enable/disable the urgency hint on the toplevel window.
		1586
		1587	=item $term->focus_in
		1588
		1589	=item $term->focus_out
		1590
		1591	=item $term->key_press ($state, $keycode[, $time])
		1592
		1593	=item $term->key_release ($state, $keycode[, $time])
		1594
		1595	Deliver various fake events to to terminal.
		1596
1061	=item $window_width = $term->width	1597	=item $window_width = $term->width
1062		1598
1063	=item $window_height = $term->height	1599	=item $window_height = $term->height
1064		1600
1065	=item $font_width = $term->fwidth	1601	=item $font_width = $term->fwidth
…		…
1078		1614
1079	=item $max_scrollback = $term->saveLines	1615	=item $max_scrollback = $term->saveLines
1080		1616
1081	=item $nrow_plus_saveLines = $term->total_rows	1617	=item $nrow_plus_saveLines = $term->total_rows
1082		1618
1083	=item $lines_in_scrollback = $term->nsaved	1619	=item $topmost_scrollback_row = $term->top_row
1084		1620
1085	Return various integers describing terminal characteristics.	1621	Return various integers describing terminal characteristics.
1086		1622
1087	=item $x_display = $term->display_id	1623	=item $x_display = $term->display_id
1088		1624
…		…
1095	=item $env = $term->env	1631	=item $env = $term->env
1096		1632
1097	Returns a copy of the environment in effect for the terminal as a hashref	1633	Returns a copy of the environment in effect for the terminal as a hashref
1098	similar to C<\%ENV>.	1634	similar to C<\%ENV>.
1099		1635
		1636	=item @envv = $term->envv
		1637
		1638	Returns the environment as array of strings of the form C<VAR=VALUE>.
		1639
		1640	=item @argv = $term->argv
		1641
		1642	Return the argument vector as this terminal, similar to @ARGV, but
		1643	includes the program name as first element.
		1644
1100	=cut	1645	=cut
1101		1646
1102	sub env {	1647	sub env {
1103	if (my $env = $_[0]->_env) {
1104	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), @$env }	1648	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), $_[0]->envv }
1105	} else {
1106	+{ %ENV }
1107	}
1108	}	1649	}
1109		1650
1110	=item $modifiermask = $term->ModLevel3Mask	1651	=item $modifiermask = $term->ModLevel3Mask
1111		1652
1112	=item $modifiermask = $term->ModMetaMask	1653	=item $modifiermask = $term->ModMetaMask
…		…
1114	=item $modifiermask = $term->ModNumLockMask	1655	=item $modifiermask = $term->ModNumLockMask
1115		1656
1116	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often	1657	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
1117	AltGr), the meta key (often Alt) and the num lock key, if applicable.	1658	AltGr), the meta key (often Alt) and the num lock key, if applicable.
1118		1659
		1660	=item $screen = $term->current_screen
		1661
		1662	Returns the currently displayed screen (0 primary, 1 secondary).
		1663
		1664	=item $cursor_is_hidden = $term->hidden_cursor
		1665
		1666	Returns whether the cursor is currently hidden or not.
		1667
1119	=item $view_start = $term->view_start ([$newvalue])	1668	=item $view_start = $term->view_start ([$newvalue])
1120		1669
1121	Returns the negative row number of the topmost line. Minimum value is	1670	Returns the row number of the topmost displayed line. Maximum value is
1122	C<0>, which displays the normal terminal contents. Larger values scroll	1671	C<0>, which displays the normal terminal contents. Lower values scroll
1123	this many lines into the scrollback buffer.	1672	this many lines into the scrollback buffer.
1124		1673
1125	=item $term->want_refresh	1674	=item $term->want_refresh
1126		1675
1127	Requests a screen refresh. At the next opportunity, rxvt-unicode will	1676	Requests a screen refresh. At the next opportunity, rxvt-unicode will
…		…
1130		1679
1131	Used after changing terminal contents to display them.	1680	Used after changing terminal contents to display them.
1132		1681
1133	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])	1682	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
1134		1683
1135	Returns the text of the entire row with number C<$row_number>. Row C<0>	1684	Returns the text of the entire row with number C<$row_number>. Row C<< $term->top_row >>
1136	is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost	1685	is the topmost terminal line, row C<< $term->nrow-1 >> is the bottommost
1137	terminal line. The scrollback buffer starts at line C<-1> and extends to
1138	line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line	1686	terminal line. Nothing will be returned if a nonexistent line
1139	is requested.	1687	is requested.
1140		1688
1141	If C<$new_text> is specified, it will replace characters in the current	1689	If C<$new_text> is specified, it will replace characters in the current
1142	line, starting at column C<$start_col> (default C<0>), which is useful	1690	line, starting at column C<$start_col> (default C<0>), which is useful
1143	to replace only parts of a line. The font index in the rendition will	1691	to replace only parts of a line. The font index in the rendition will
1144	automatically be updated.	1692	automatically be updated.
1145		1693
1146	C<$text> is in a special encoding: tabs and wide characters that use more	1694	C<$text> is in a special encoding: tabs and wide characters that use more
1147	than one cell when displayed are padded with urxvt::NOCHAR characters	1695	than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
1148	(C<chr 65535>). Characters with combining characters and other characters	1696	characters. Characters with combining characters and other characters that
1149	that do not fit into the normal tetx encoding will be replaced with	1697	do not fit into the normal text encoding will be replaced with characters
1150	characters in the private use area.	1698	in the private use area.
1151		1699
1152	You have to obey this encoding when changing text. The advantage is	1700	You have to obey this encoding when changing text. The advantage is
1153	that C<substr> and similar functions work on screen cells and not on	1701	that C<substr> and similar functions work on screen cells and not on
1154	characters.	1702	characters.
1155		1703
…		…
1206	Return the row number of the first/last row of the line, respectively.	1754	Return the row number of the first/last row of the line, respectively.
1207		1755
1208	=item $offset = $line->offset_of ($row, $col)	1756	=item $offset = $line->offset_of ($row, $col)
1209		1757
1210	Returns the character offset of the given row|col pair within the logical	1758	Returns the character offset of the given row|col pair within the logical
1211	line.	1759	line. Works for rows outside the line, too, and returns corresponding
		1760	offsets outside the string.
1212		1761
1213	=item ($row, $col) = $line->coord_of ($offset)	1762	=item ($row, $col) = $line->coord_of ($offset)
1214		1763
1215	Translates a string offset into terminal coordinates again.	1764	Translates a string offset into terminal coordinates again.
1216		1765
…		…
1238	}	1787	}
1239		1788
1240	sub urxvt::line::t {	1789	sub urxvt::line::t {
1241	my ($self) = @_;	1790	my ($self) = @_;
1242		1791
1243	if (@_ > 1)	1792	if (@_ > 1) {
1244	{
1245	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1793	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1246	for $self->{beg} .. $self->{end};	1794	for $self->{beg} .. $self->{end};
1247	}	1795	}
1248		1796
1249	defined wantarray &&	1797	defined wantarray &&
1250	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),	1798	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),
1251	0, $self->{len}	1799	0, $self->{len}
1252	}	1800	}
1253		1801
1254	sub urxvt::line::r {	1802	sub urxvt::line::r {
1255	my ($self) = @_;	1803	my ($self) = @_;
1256		1804
1257	if (@_ > 1)	1805	if (@_ > 1) {
1258	{
1259	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1806	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1260	for $self->{beg} .. $self->{end};	1807	for $self->{beg} .. $self->{end};
1261	}	1808	}
1262		1809
1263	if (defined wantarray) {	1810	if (defined wantarray) {
1264	my $rend = [	1811	my $rend = [
1265	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}	1812	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}
1266	];	1813	];
…		…
1298	where one character corresponds to one screen cell. See	1845	where one character corresponds to one screen cell. See
1299	C<< $term->ROW_t >> for details.	1846	C<< $term->ROW_t >> for details.
1300		1847
1301	=item $string = $term->special_decode $text	1848	=item $string = $term->special_decode $text
1302		1849
1303	Converts rxvt-unicodes text reprsentation into a perl string. See	1850	Converts rxvt-unicodes text representation into a perl string. See
1304	C<< $term->ROW_t >> for details.	1851	C<< $term->ROW_t >> for details.
1305		1852
1306	=item $success = $term->grab_button ($button, $modifiermask)	1853	=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
1307		1854
		1855	=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
		1856
1308	Registers a synchronous button grab. See the XGrabButton manpage.	1857	Register/unregister a synchronous button grab. See the XGrabButton
		1858	manpage.
1309		1859
1310	=item $success = $term->grab ($eventtime[, $sync])	1860	=item $success = $term->grab ($eventtime[, $sync])
1311		1861
1312	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or	1862	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1313	synchronous (C<$sync> is true). Also remembers the grab timestampe.	1863	synchronous (C<$sync> is true). Also remembers the grab timestamp.
1314		1864
1315	=item $term->allow_events_async	1865	=item $term->allow_events_async
1316		1866
1317	Calls XAllowEvents with AsyncBoth for the most recent grab.	1867	Calls XAllowEvents with AsyncBoth for the most recent grab.
1318		1868
…		…
1325	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most	1875	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
1326	recent grab.	1876	recent grab.
1327		1877
1328	=item $term->ungrab	1878	=item $term->ungrab
1329		1879
1330	Calls XUngrab for the most recent grab. Is called automatically on	1880	Calls XUngrabPointer and XUngrabKeyboard for the most recent grab. Is called automatically on
1331	evaluation errors, as it is better to lose the grab in the error case as	1881	evaluation errors, as it is better to lose the grab in the error case as
1332	the session.	1882	the session.
		1883
		1884	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
		1885
		1886	=item $atom_name = $term->XGetAtomName ($atom)
		1887
		1888	=item @atoms = $term->XListProperties ($window)
		1889
		1890	=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
		1891
		1892	=item $term->XChangeProperty ($window, $property, $type, $format, $octets)
		1893
		1894	=item $term->XDeleteProperty ($window, $property)
		1895
		1896	=item $window = $term->DefaultRootWindow
		1897
		1898	=item $term->XReparentWindow ($window, $parent, [$x, $y])
		1899
		1900	=item $term->XMapWindow ($window)
		1901
		1902	=item $term->XUnmapWindow ($window)
		1903
		1904	=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
		1905
		1906	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
		1907
		1908	=item $term->XChangeInput ($window, $add_events[, $del_events])
		1909
		1910	=item $keysym = $term->XStringToKeysym ($string)
		1911
		1912	=item $string = $term->XKeysymToString ($keysym)
		1913
		1914	Various X or X-related functions. The C<$term> object only serves as
		1915	the source of the display, otherwise those functions map more-or-less
		1916	directly onto the X functions of the same name.
1333		1917
1334	=back	1918	=back
1335		1919
1336	=cut	1920	=cut
1337		1921
…		…
1401	my ($self, $text, $cb) = @_;	1985	my ($self, $text, $cb) = @_;
1402		1986
1403	$self->add_item ({ type => "button", text => $text, activate => $cb});	1987	$self->add_item ({ type => "button", text => $text, activate => $cb});
1404	}	1988	}
1405		1989
1406	=item $popup->add_toggle ($text, $cb, $initial_value)	1990	=item $popup->add_toggle ($text, $initial_value, $cb)
1407		1991
1408	Adds a toggle/checkbox item to the popup. Teh callback gets called	1992	Adds a toggle/checkbox item to the popup. The callback gets called
1409	whenever it gets toggled, with a boolean indicating its value as its first	1993	whenever it gets toggled, with a boolean indicating its new value as its
1410	argument.	1994	first argument.
1411		1995
1412	=cut	1996	=cut
1413		1997
1414	sub add_toggle {	1998	sub add_toggle {
1415	my ($self, $text, $cb, $value) = @_;	1999	my ($self, $text, $value, $cb) = @_;
1416		2000
1417	my $item; $item = {	2001	my $item; $item = {
1418	type => "button",	2002	type => "button",
1419	text => " $text",	2003	text => " $text",
1420	value => $value,	2004	value => $value,
…		…
1439	my $env = $self->{term}->env;	2023	my $env = $self->{term}->env;
1440	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.	2024	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
1441	delete $env->{LC_ALL};	2025	delete $env->{LC_ALL};
1442	$env->{LC_CTYPE} = $self->{term}->locale;	2026	$env->{LC_CTYPE} = $self->{term}->locale;
1443		2027
1444	urxvt::term->new ($env, $self->{term}->resource ("name"),	2028	my $term = urxvt::term->new (
1445	"--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0,	2029	$env, "popup",
		2030	"--perl-lib" => "", "--perl-ext-common" => "",
		2031	"-pty-fd" => -1, "-sl" => 0,
		2032	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1446	"--transient-for" => $self->{term}->parent,	2033	"--transient-for" => $self->{term}->parent,
1447	"-display" => $self->{term}->display_id,	2034	"-display" => $self->{term}->display_id,
1448	"-pe" => "urxvt-popup")	2035	"-pe" => "urxvt-popup",
1449	or die "unable to create popup window\n";	2036	) or die "unable to create popup window\n";
		2037
		2038	unless (delete $term->{urxvt_popup_init_done}) {
		2039	$term->ungrab;
		2040	$term->destroy;
		2041	die "unable to initialise popup window\n";
		2042	}
1450	}	2043	}
1451		2044
1452	sub DESTROY {	2045	sub DESTROY {
1453	my ($self) = @_;	2046	my ($self) = @_;
1454		2047
1455	delete $self->{term}{_destroy}{$self};	2048	delete $self->{term}{_destroy}{$self};
1456	$self->{term}->ungrab;	2049	$self->{term}->ungrab;
1457	}	2050	}
1458		2051
1459	=back	2052	=back
		2053
		2054	=cut
		2055
		2056	package urxvt::watcher;
1460		2057
1461	=head2 The C<urxvt::timer> Class	2058	=head2 The C<urxvt::timer> Class
1462		2059
1463	This class implements timer watchers/events. Time is represented as a	2060	This class implements timer watchers/events. Time is represented as a
1464	fractional number of seconds since the epoch. Example:	2061	fractional number of seconds since the epoch. Example:
…		…
1468	->new	2065	->new
1469	->interval (1)	2066	->interval (1)
1470	->cb (sub {	2067	->cb (sub {
1471	$term->{overlay}->set (0, 0,	2068	$term->{overlay}->set (0, 0,
1472	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);	2069	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
1473	});	2070	});
1474		2071
1475	=over 4	2072	=over 4
1476		2073
1477	=item $timer = new urxvt::timer	2074	=item $timer = new urxvt::timer
1478		2075
…		…
1481		2078
1482	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })	2079	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })
1483		2080
1484	Set the callback to be called when the timer triggers.	2081	Set the callback to be called when the timer triggers.
1485		2082
1486	=item $tstamp = $timer->at
1487
1488	Return the time this watcher will fire next.
1489
1490	=item $timer = $timer->set ($tstamp)	2083	=item $timer = $timer->set ($tstamp[, $interval])
1491		2084
1492	Set the time the event is generated to $tstamp.	2085	Set the time the event is generated to $tstamp (and optionally specifies a
		2086	new $interval).
1493		2087
1494	=item $timer = $timer->interval ($interval)	2088	=item $timer = $timer->interval ($interval)
1495		2089
1496	Normally (and when C<$interval> is C<0>), the timer will automatically	2090	By default (and when C<$interval> is C<0>), the timer will automatically
1497	stop after it has fired once. If C<$interval> is non-zero, then the timer	2091	stop after it has fired once. If C<$interval> is non-zero, then the timer
1498	is automatically rescheduled at the given intervals.	2092	is automatically rescheduled at the given intervals.
1499		2093
1500	=item $timer = $timer->start	2094	=item $timer = $timer->start
1501		2095
1502	Start the timer.	2096	Start the timer.
1503		2097
1504	=item $timer = $timer->start ($tstamp)	2098	=item $timer = $timer->start ($tstamp[, $interval])
1505		2099
1506	Set the event trigger time to C<$tstamp> and start the timer.	2100	Set the event trigger time to C<$tstamp> and start the timer. Optionally
		2101	also replaces the interval.
		2102
		2103	=item $timer = $timer->after ($delay[, $interval])
		2104
		2105	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1507		2106
1508	=item $timer = $timer->stop	2107	=item $timer = $timer->stop
1509		2108
1510	Stop the timer.	2109	Stop the timer.
1511		2110
…		…
1517		2116
1518	$term->{socket} = ...	2117	$term->{socket} = ...
1519	$term->{iow} = urxvt::iow	2118	$term->{iow} = urxvt::iow
1520	->new	2119	->new
1521	->fd (fileno $term->{socket})	2120	->fd (fileno $term->{socket})
1522	->events (urxvt::EVENT_READ)	2121	->events (urxvt::EV_READ)
1523	->start	2122	->start
1524	->cb (sub {	2123	->cb (sub {
1525	my ($iow, $revents) = @_;	2124	my ($iow, $revents) = @_;
1526	# $revents must be 1 here, no need to check	2125	# $revents must be 1 here, no need to check
1527	sysread $term->{socket}, my $buf, 8192	2126	sysread $term->{socket}, my $buf, 8192
…		…
1540	Set the callback to be called when io events are triggered. C<$reventmask>	2139	Set the callback to be called when io events are triggered. C<$reventmask>
1541	is a bitset as described in the C<events> method.	2140	is a bitset as described in the C<events> method.
1542		2141
1543	=item $iow = $iow->fd ($fd)	2142	=item $iow = $iow->fd ($fd)
1544		2143
1545	Set the filedescriptor (not handle) to watch.	2144	Set the file descriptor (not handle) to watch.
1546		2145
1547	=item $iow = $iow->events ($eventmask)	2146	=item $iow = $iow->events ($eventmask)
1548		2147
1549	Set the event mask to watch. The only allowed values are	2148	Set the event mask to watch. The only allowed values are
1550	C<urxvt::EVENT_READ> and C<urxvt::EVENT_WRITE>, which might be ORed	2149	C<urxvt::EV_READ> and C<urxvt::EV_WRITE>, which might be ORed
1551	together, or C<urxvt::EVENT_NONE>.	2150	together, or C<urxvt::EV_NONE>.
1552		2151
1553	=item $iow = $iow->start	2152	=item $iow = $iow->start
1554		2153
1555	Start watching for requested events on the given handle.	2154	Start watching for requested events on the given handle.
1556		2155
1557	=item $iow = $iow->stop	2156	=item $iow = $iow->stop
1558		2157
1559	Stop watching for events on the given filehandle.	2158	Stop watching for events on the given file handle.
		2159
		2160	=back
		2161
		2162	=head2 The C<urxvt::iw> Class
		2163
		2164	This class implements idle watchers, that get called automatically when
		2165	the process is idle. They should return as fast as possible, after doing
		2166	some useful work.
		2167
		2168	=over 4
		2169
		2170	=item $iw = new urxvt::iw
		2171
		2172	Create a new idle watcher object in stopped state.
		2173
		2174	=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
		2175
		2176	Set the callback to be called when the watcher triggers.
		2177
		2178	=item $timer = $timer->start
		2179
		2180	Start the watcher.
		2181
		2182	=item $timer = $timer->stop
		2183
		2184	Stop the watcher.
		2185
		2186	=back
		2187
		2188	=head2 The C<urxvt::pw> Class
		2189
		2190	This class implements process watchers. They create an event whenever a
		2191	process exits, after which they stop automatically.
		2192
		2193	my $pid = fork;
		2194	...
		2195	$term->{pw} = urxvt::pw
		2196	->new
		2197	->start ($pid)
		2198	->cb (sub {
		2199	my ($pw, $exit_status) = @_;
		2200	...
		2201	});
		2202
		2203	=over 4
		2204
		2205	=item $pw = new urxvt::pw
		2206
		2207	Create a new process watcher in stopped state.
		2208
		2209	=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
		2210
		2211	Set the callback to be called when the timer triggers.
		2212
		2213	=item $pw = $timer->start ($pid)
		2214
		2215	Tells the watcher to start watching for process C<$pid>.
		2216
		2217	=item $pw = $pw->stop
		2218
		2219	Stop the watcher.
1560		2220
1561	=back	2221	=back
1562		2222
1563	=head1 ENVIRONMENT	2223	=head1 ENVIRONMENT
1564		2224
…		…
1571		2231
1572	=item == 0 - fatal messages	2232	=item == 0 - fatal messages
1573		2233
1574	=item >= 3 - script loading and management	2234	=item >= 3 - script loading and management
1575		2235
1576	=item >=10 - all events received	2236	=item >=10 - all called hooks
		2237
		2238	=item >=11 - hook return values
1577		2239
1578	=back	2240	=back
1579		2241
1580	=head1 AUTHOR	2242	=head1 AUTHOR
1581		2243
1582	Marc Lehmann <pcg@goof.com>	2244	Marc Lehmann <schmorp@schmorp.de>
1583	http://software.schmorp.de/pkg/rxvt-unicode	2245	http://software.schmorp.de/pkg/rxvt-unicode
1584		2246
1585	=cut	2247	=cut
1586		2248
1587	1	2249	1
		2250
		2251	# vim: sw=3:

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