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Revision 1.80 by root, Thu Jan 12 00:11:59 2006 UTC vs.
Revision 1.250 by sf-exg, Fri Dec 26 21:49:11 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 using so called META comments,
47	too, if your F<ls> supports C<--quoting-style=shell>.	51	described below. Similarly to builtin resources, extension resources
48		52	can also be specified on the command line as long options (with C<.>
49	It also offers the following bindable keyboard command:	53	replaced by C<->), in which case the corresponding extension is loaded
50		54	automatically. For this to work the extension B<must> define META
51	=over 4	55	comments for its resources.
52
53	=item rot13
54
55	Rot-13 the selection when activated. Used via keyboard trigger:
56
57	URxvt.keysym.C-M-r: perl:selection:rot13
58
59	=back
60
61	=item option-popup (enabled by default)
62
63	Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at
64	runtime.
65
66	=item selection-popup (enabled by default)
67
68	Binds a popup menu to Ctrl-Button3 that lets you convert the selection
69	text into various other formats/action (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		56
107	=head1 API DOCUMENTATION	57	=head1 API DOCUMENTATION
108		58
109	=head2 General API Considerations	59	=head2 General API Considerations
110		60
…		…
124		74
125	=over 4	75	=over 4
126		76
127	=item $text	77	=item $text
128		78
129	Rxvt-unicodes special way of encoding text, where one "unicode" character	79	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.	80	always represents one screen cell. See L<ROW_t> for a discussion of this format.
131		81
132	=item $string	82	=item $string
133		83
134	A perl text string, with an emphasis on I<text>. It can store all unicode	84	A perl text string, with an emphasis on I<text>. It can store all unicode
…		…
138	=item $octets	88	=item $octets
139		89
140	Either binary data or - more common - a text string encoded in a	90	Either binary data or - more common - a text string encoded in a
141	locale-specific way.	91	locale-specific way.
142		92
		93	=item $keysym
		94
		95	an integer that is a valid X11 keysym code. You can convert a string
		96	into a keysym and viceversa by using C<XStringToKeysym> and
		97	C<XKeysymToString>.
		98
143	=back	99	=back
144		100
145	=head2 Extension Objects	101	=head2 Extension Objects
146		102
147	Very perl extension is a perl class. A separate perl object is created	103	Every perl extension is a perl class. A separate perl object is created
148	for each terminal and each extension and passed as the first parameter to	104	for each terminal, and each terminal has its own set of extension objects,
149	hooks. So extensions can use their C<$self> object without having to think	105	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	106	their C<$self> object without having to think about clashes with other
		107	extensions or other terminals, with the exception of methods and members
151	begin with an underscore character C<_>: these are reserved for internal	108	that begin with an underscore character C<_>: these are reserved for
152	use.	109	internal use.
153		110
154	Although it isn't a C<urxvt::term> object, you can call all methods of the	111	Although it isn't a C<urxvt::term> object, you can call all methods of the
155	C<urxvt::term> class on this object.	112	C<urxvt::term> class on this object.
156		113
157	It has the following methods and data members:	114	Additional methods only supported for extension objects are described in
		115	the C<urxvt::extension> section below.
		116
		117	=head2 META comments
		118
		119	Rxvt-unicode recognizes special meta comments in extensions that define
		120	different types of metadata.
		121
		122	Currently, it recognises only one such comment:
158		123
159	=over 4	124	=over 4
160		125
161	=item $urxvt_term = $self->{term}	126	=item #:META:RESOURCE:name:type:desc
162		127
163	Returns the C<urxvt::term> object associated with this instance of the	128	The RESOURCE comment defines a resource used by the extension, where
164	extension. This member I<must not> be changed in any way.	129	C<name> is the resource name, C<type> is the resource type, C<boolean>
165		130	or C<string>, and C<desc> is the resource description.
166	=item $self->enable ($hook_name => $cb, [$hook_name => $cb..])
167
168	Dynamically enable the given hooks (named without the C<on_> prefix) for
169	this extension, replacing any previous hook. This is useful when you want
170	to overwrite time-critical hooks only temporarily.
171
172	=item $self->disable ($hook_name[, $hook_name..])
173
174	Dynamically disable the given hooks.
175		131
176	=back	132	=back
177		133
178	=head2 Hooks	134	=head2 Hooks
179		135
180	The following subroutines can be declared in extension files, and will be	136	The following subroutines can be declared in extension files, and will be
181	called whenever the relevant event happens.	137	called whenever the relevant event happens.
182		138
183	The first argument passed to them is an extension oject as described in	139	The first argument passed to them is an extension object as described in
184	the in the C<Extension Objects> section.	140	the in the C<Extension Objects> section.
185		141
186	B<All> of these hooks must return a boolean value. If it is true, then the	142	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	143	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.	144	relevant action might not be carried out by the C++ code.
189		145
190	I<< When in doubt, return a false value (preferably C<()>). >>	146	I<< When in doubt, return a false value (preferably C<()>). >>
191		147
192	=over 4	148	=over 4
193		149
194	=item on_init $term	150	=item on_init $term
195		151
196	Called after a new terminal object has been initialized, but before	152	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	153	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	154	call or deliver senseless data, as terminal size and other characteristics
199	have not yet been determined. You can safely query and change resources,	155	have not yet been determined. You can safely query and change resources
200	though.	156	and options, though. For many purposes the C<on_start> hook is a better
		157	place.
		158
		159	=item on_start $term
		160
		161	Called at the very end of initialisation of a new terminal, just before
		162	trying to map (display) the toplevel and returning to the main loop.
		163
		164	=item on_destroy $term
		165
		166	Called whenever something tries to destroy terminal, when the terminal is
		167	still fully functional (not for long, though).
201		168
202	=item on_reset $term	169	=item on_reset $term
203		170
204	Called after the screen is "reset" for any reason, such as resizing or	171	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	172	control sequences. Here is where you can react on changes to size-related
206	variables.	173	variables.
207		174
208	=item on_start $term	175	=item on_child_start $term, $pid
209		176
210	Called at the very end of initialisation of a new terminal, just before	177	Called just after the child process has been C<fork>ed.
211	returning to the mainloop.	178
		179	=item on_child_exit $term, $status
		180
		181	Called just after the child process has exited. C<$status> is the status
		182	from C<waitpid>.
212		183
213	=item on_sel_make $term, $eventtime	184	=item on_sel_make $term, $eventtime
214		185
215	Called whenever a selection has been made by the user, but before the	186	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	187	selection text is copied, so changes to the beginning, end or type of the
…		…
223		194
224	Called whenever a selection has been copied, but before the selection is	195	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	196	requested from the server. The selection text can be queried and changed
226	by calling C<< $term->selection >>.	197	by calling C<< $term->selection >>.
227		198
228	Returning a true value aborts selection grabbing. It will still be hilighted.	199	Returning a true value aborts selection grabbing. It will still be highlighted.
229		200
230	=item on_sel_extend $term	201	=item on_sel_extend $term
231		202
232	Called whenever the user tries to extend the selection (e.g. with a double	203	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	204	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	205	should extend the selection itself and return true to suppress the built-in
235	processing.	206	processing. This can happen multiple times, as long as the callback
		207	returns true, it will be called on every further click by the user and is
		208	supposed to enlarge the selection more and more, if possible.
236		209
237	See the F<selection> example extension.	210	See the F<selection> example extension.
238		211
239	=item on_view_change $term, $offset	212	=item on_view_change $term, $offset
240		213
241	Called whenever the view offset changes, i..e the user or program	214	Called whenever the view offset changes, i.e. the user or program
242	scrolls. Offset C<0> means display the normal terminal, positive values	215	scrolls. Offset C<0> means display the normal terminal, positive values
243	show this many lines of scrollback.	216	show this many lines of scrollback.
244		217
245	=item on_scroll_back $term, $lines, $saved	218	=item on_scroll_back $term, $lines, $saved
246		219
…		…
250		223
251	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,	224	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	225	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total
253	number of lines that will be in the scrollback buffer.	226	number of lines that will be in the scrollback buffer.
254		227
255	=item on_osc_seq $term, $string	228	=item on_osc_seq $term, $op, $args, $resp
		229
		230	Called on every OSC sequence and can be used to suppress it or modify its
		231	behaviour. The default should be to return an empty list. A true value
		232	suppresses execution of the request completely. Make sure you don't get
		233	confused by recursive invocations when you output an OSC sequence within
		234	this callback.
		235
		236	C<on_osc_seq_perl> should be used for new behaviour.
		237
		238	=item on_osc_seq_perl $term, $args, $resp
256		239
257	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =	240	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
258	operating system command) is processed. Cursor position and other state	241	operating system command) is processed. Cursor position and other state
259	information is up-to-date when this happens. For interoperability, the	242	information is up-to-date when this happens. For interoperability, the
260	string should start with the extension name and a colon, to distinguish	243	string should start with the extension name (sans -osc) and a semicolon,
261	it from commands for other extensions, and this might be enforced in the	244	to distinguish it from commands for other extensions, and this might be
262	future.	245	enforced in the future.
		246
		247	For example, C<overlay-osc> uses this:
		248
		249	sub on_osc_seq_perl {
		250	my ($self, $osc, $resp) = @_;
		251
		252	return unless $osc =~ s/^overlay;//;
		253
		254	... process remaining $osc string
		255	}
263		256
264	Be careful not ever to trust (in a security sense) the data you receive,	257	Be careful not ever to trust (in a security sense) the data you receive,
265	as its source can not easily be controleld (e-mail content, messages from	258	as its source can not easily be controlled (e-mail content, messages from
266	other users on the same system etc.).	259	other users on the same system etc.).
		260
		261	For responses, C<$resp> contains the end-of-args separator used by the
		262	sender.
267		263
268	=item on_add_lines $term, $string	264	=item on_add_lines $term, $string
269		265
270	Called whenever text is about to be output, with the text as argument. You	266	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	267	can filter/change and output the text yourself by returning a true value
…		…
276	=item on_tt_write $term, $octets	272	=item on_tt_write $term, $octets
277		273
278	Called whenever some data is written to the tty/pty and can be used to	274	Called whenever some data is written to the tty/pty and can be used to
279	suppress or filter tty input.	275	suppress or filter tty input.
280		276
		277	=item on_tt_paste $term, $octets
		278
		279	Called whenever text is about to be pasted, with the text as argument. You
		280	can filter/change and paste the text yourself by returning a true value
		281	and calling C<< $term->tt_paste >> yourself. C<$octets> is
		282	locale-encoded.
		283
281	=item on_line_update $term, $row	284	=item on_line_update $term, $row
282		285
283	Called whenever a line was updated or changed. Can be used to filter	286	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	287	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,	288	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	295	later with the already-modified line (e.g. if unrelated parts change), so
293	you cannot just toggle rendition bits, but only set them.	296	you cannot just toggle rendition bits, but only set them.
294		297
295	=item on_refresh_begin $term	298	=item on_refresh_begin $term
296		299
297	Called just before the screen gets redrawn. Can be used for overlay	300	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	301	similar effects by modifying the terminal contents in refresh_begin, and
299	restoring them in refresh_end. The built-in overlay and selection display	302	restoring them in refresh_end. The built-in overlay and selection display
300	code is run after this hook, and takes precedence.	303	code is run after this hook, and takes precedence.
301		304
302	=item on_refresh_end $term	305	=item on_refresh_end $term
303		306
304	Called just after the screen gets redrawn. See C<on_refresh_begin>.	307	Called just after the screen gets redrawn. See C<on_refresh_begin>.
305		308
		309	=item on_action $term, $string
		310
		311	Called whenever an action is invoked for the corresponding extension
		312	(e.g. via a C<extension:string> builtin action bound to a key, see
		313	description of the B<keysym> resource in the urxvt(1) manpage). The
		314	event is simply the action string. Note that an action event is always
		315	associated to a single extension.
		316
306	=item on_keyboard_command $term, $string	317	=item on_user_command $term, $string *DEPRECATED*
307		318
308	Called whenever the user presses a key combination that has a	319	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>	320	a C<perl:string> action bound to a key, see description of the B<keysym>
310	resource in the @@RXVT_NAME@@(1) manpage).	321	resource in the urxvt(1) manpage).
		322
		323	The event is simply the action string. This interface is going away in
		324	preference to the C<on_action> hook.
		325
		326	=item on_resize_all_windows $term, $new_width, $new_height
		327
		328	Called just after the new window size has been calculated, but before
		329	windows are actually being resized or hints are being set. If this hook
		330	returns a true value, setting of the window hints is being skipped.
		331
		332	=item on_x_event $term, $event
		333
		334	Called on every X event received on the vt window (and possibly other
		335	windows). Should only be used as a last resort. Most event structure
		336	members are not passed.
		337
		338	=item on_root_event $term, $event
		339
		340	Like C<on_x_event>, but is called for events on the root window.
311		341
312	=item on_focus_in $term	342	=item on_focus_in $term
313		343
314	Called whenever the window gets the keyboard focus, before rxvt-unicode	344	Called whenever the window gets the keyboard focus, before rxvt-unicode
315	does focus in processing.	345	does focus in processing.
316		346
317	=item on_focus_out $term	347	=item on_focus_out $term
318		348
319	Called wheneever the window loses keyboard focus, before rxvt-unicode does	349	Called whenever the window loses keyboard focus, before rxvt-unicode does
320	focus out processing.	350	focus out processing.
321		351
		352	=item on_configure_notify $term, $event
		353
		354	=item on_property_notify $term, $event
		355
322	=item on_key_press $term, $event, $keysym, $octets	356	=item on_key_press $term, $event, $keysym, $octets
323		357
324	=item on_key_release $term, $event, $keysym	358	=item on_key_release $term, $event, $keysym
325		359
326	=item on_button_press $term, $event	360	=item on_button_press $term, $event
…		…
331		365
332	=item on_map_notify $term, $event	366	=item on_map_notify $term, $event
333		367
334	=item on_unmap_notify $term, $event	368	=item on_unmap_notify $term, $event
335		369
336	Called whenever the corresponding X event is received for the terminal If	370	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.	371	the hook returns true, then the event will be ignored by rxvt-unicode.
338		372
339	The event is a hash with most values as named by Xlib (see the XEvent	373	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	374	manpage), with the additional members C<row> and C<col>, which are the
341	and column under the mouse cursor.	375	(real, not screen-based) row and column under the mouse cursor.
342		376
343	C<on_key_press> additionally receives the string rxvt-unicode would	377	C<on_key_press> additionally receives the string rxvt-unicode would
344	output, if any, in locale-specific encoding.	378	output, if any, in locale-specific encoding.
345		379
346	subwindow.	380	=item on_client_message $term, $event
		381
		382	=item on_wm_protocols $term, $event
		383
		384	=item on_wm_delete_window $term, $event
		385
		386	Called when various types of ClientMessage events are received (all with
		387	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
		388
		389	=item on_bell $term
		390
		391	Called on receipt of a bell character.
347		392
348	=back	393	=back
349		394
350	=cut	395	=cut
351		396
352	package urxvt;	397	package urxvt;
353		398
354	use utf8;	399	use utf8;
355	use strict;	400	use strict 'vars';
356	use Carp ();	401	use Carp ();
357	use Scalar::Util ();	402	use Scalar::Util ();
358	use List::Util ();	403	use List::Util ();
359		404
360	our $VERSION = 1;	405	our $VERSION = 1;
361	our $TERM;	406	our $TERM;
		407	our @TERM_INIT; # should go, prevents async I/O etc.
		408	our @TERM_EXT; # should go, prevents async I/O etc.
362	our @HOOKNAME;	409	our @HOOKNAME;
363	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;	410	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
364	our %OPTION;	411	our %OPTION;
365		412
366	our $LIBDIR;	413	our $LIBDIR;
367	our $RESNAME;	414	our $RESNAME;
368	our $RESCLASS;	415	our $RESCLASS;
369	our $RXVTNAME;	416	our $RXVTNAME;
370		417
		418	our $NOCHAR = chr 0xffff;
		419
371	=head2 Variables in the C<urxvt> Package	420	=head2 Variables in the C<urxvt> Package
372		421
373	=over 4	422	=over 4
374		423
375	=item $urxvt::LIBDIR	424	=item $urxvt::LIBDIR
…		…
388	=item $urxvt::TERM	437	=item $urxvt::TERM
389		438
390	The current terminal. This variable stores the current C<urxvt::term>	439	The current terminal. This variable stores the current C<urxvt::term>
391	object, whenever a callback/hook is executing.	440	object, whenever a callback/hook is executing.
392		441
		442	=item @urxvt::TERM_INIT
		443
		444	All code references in this array will be called as methods of the next newly
		445	created C<urxvt::term> object (during the C<on_init> phase). The array
		446	gets cleared before the code references that were in it are being executed,
		447	so references can push themselves onto it again if they so desire.
		448
		449	This complements to the perl-eval command line option, but gets executed
		450	first.
		451
		452	=item @urxvt::TERM_EXT
		453
		454	Works similar to C<@TERM_INIT>, but contains perl package/class names, which
		455	get registered as normal extensions after calling the hooks in C<@TERM_INIT>
		456	but before other extensions. Gets cleared just like C<@TERM_INIT>.
		457
393	=back	458	=back
394		459
395	=head2 Functions in the C<urxvt> Package	460	=head2 Functions in the C<urxvt> Package
396		461
397	=over 4	462	=over 4
398		463
399	=item urxvt::fatal $errormessage	464	=item urxvt::fatal $errormessage
400		465
401	Fatally aborts execution with the given error message. Avoid at all	466	Fatally aborts execution with the given error message (which should
402	costs! The only time this is acceptable is when the terminal process	467	include a trailing newline). Avoid at all costs! The only time this
403	starts up.	468	is acceptable (and useful) is in the init hook, where it prevents the
		469	terminal from starting up.
404		470
405	=item urxvt::warn $string	471	=item urxvt::warn $string
406		472
407	Calls C<rxvt_warn> with the given string which should not include a	473	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	474	newline. The module also overwrites the C<warn> builtin with a function
409	that calls this function.	475	that calls this function.
410		476
411	Using this function has the advantage that its output ends up in the	477	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.	478	correct place, e.g. on stderr of the connecting urxvtc client.
413		479
414	Messages have a size limit of 1023 bytes currently.	480	Messages have a size limit of 1023 bytes currently.
415		481
416	=item $is_safe = urxvt::safe	482	=item @terms = urxvt::termlist
417		483
418	Returns true when it is safe to do potentially unsafe things, such as	484	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	485	whether they are started, being destroyed etc., so be careful. Only term
420	started setuid or setgid.	486	objects that have perl extensions attached will be returned (because there
		487	is no urxvt::term object associated with others).
421		488
422	=item $time = urxvt::NOW	489	=item $time = urxvt::NOW
423		490
424	Returns the "current time" (as per the event loop).	491	Returns the "current time" (as per the event loop).
425		492
426	=item urxvt::CurrentTime	493	=item urxvt::CurrentTime
427		494
428	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,	495	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
429	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,	496	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
430	Button4Mask, Button5Mask, AnyModifier	497	Button4Mask, Button5Mask, AnyModifier
		498
		499	=item urxvt::NoEventMask, KeyPressMask, KeyReleaseMask,
		500	ButtonPressMask, ButtonReleaseMask, EnterWindowMask, LeaveWindowMask,
		501	PointerMotionMask, PointerMotionHintMask, Button1MotionMask, Button2MotionMask,
		502	Button3MotionMask, Button4MotionMask, Button5MotionMask, ButtonMotionMask,
		503	KeymapStateMask, ExposureMask, VisibilityChangeMask, StructureNotifyMask,
		504	ResizeRedirectMask, SubstructureNotifyMask, SubstructureRedirectMask,
		505	FocusChangeMask, PropertyChangeMask, ColormapChangeMask, OwnerGrabButtonMask
		506
		507	=item urxvt::KeyPress, KeyRelease, ButtonPress, ButtonRelease, MotionNotify,
		508	EnterNotify, LeaveNotify, FocusIn, FocusOut, KeymapNotify, Expose,
		509	GraphicsExpose, NoExpose, VisibilityNotify, CreateNotify, DestroyNotify,
		510	UnmapNotify, MapNotify, MapRequest, ReparentNotify, ConfigureNotify,
		511	ConfigureRequest, GravityNotify, ResizeRequest, CirculateNotify,
		512	CirculateRequest, PropertyNotify, SelectionClear, SelectionRequest,
		513	SelectionNotify, ColormapNotify, ClientMessage, MappingNotify
431		514
432	Various constants for use in X calls and event processing.	515	Various constants for use in X calls and event processing.
433		516
434	=back	517	=back
435		518
…		…
452		535
453	=item $rend = urxvt::OVERLAY_RSTYLE	536	=item $rend = urxvt::OVERLAY_RSTYLE
454		537
455	Return the rendition mask used for overlays by default.	538	Return the rendition mask used for overlays by default.
456		539
457	=item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline	540	=item $rendbit = urxvt::RS_Bold, urxvt::RS_Italic, urxvt::RS_Blink,
		541	urxvt::RS_RVid, urxvt::RS_Uline
458		542
459	Return the bit that enabled bold, italic, blink, reverse-video and	543	Return the bit that enabled bold, italic, blink, reverse-video and
460	underline, respectively. To enable such a style, just logically OR it into	544	underline, respectively. To enable such a style, just logically OR it into
461	the bitset.	545	the bitset.
462		546
…		…
468		552
469	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour	553	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour
470		554
471	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour	555	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour
472		556
		557	=item $rend = urxvt::SET_COLOR $rend, $new_fg, $new_bg
		558
473	Replace the foreground/background colour in the rendition mask with the	559	Replace the foreground/background colour in the rendition mask with the
474	specified one.	560	specified one.
475		561
476	=item $value = urxvt::GET_CUSTOM $rend	562	=item $value = urxvt::GET_CUSTOM $rend
477		563
…		…
486	=back	572	=back
487		573
488	=cut	574	=cut
489		575
490	BEGIN {	576	BEGIN {
491	urxvt->bootstrap;
492
493	# overwrite perl's warn	577	# overwrite perl's warn
494	*CORE::GLOBAL::warn = sub {	578	*CORE::GLOBAL::warn = sub {
495	my $msg = join "", @_;	579	my $msg = join "", @_;
496	$msg .= "\n"	580	$msg .= "\n"
497	unless $msg =~ /\n$/;	581	unless $msg =~ /\n$/;
498	urxvt::warn ($msg);	582	urxvt::warn ($msg);
499	};	583	};
500
501	# delete $ENV{IFS};
502	# delete $ENV{CDPATH};
503	# delete $ENV{BASH_ENV};
504	# $ENV{PATH} = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin:/opt/sbin";
505	}	584	}
506		585
507	my @hook_count;	586	no warnings 'utf8';
		587
		588	sub parse_resource {
		589	my ($term, $name, $isarg, $longopt, $flag, $value) = @_;
		590
		591	$term->scan_extensions;
		592
		593	my $r = $term->{meta}{resource};
		594	keys %$r; # reset iterator
		595	while (my ($k, $v) = each %$r) {
		596	my $pattern = $k;
		597	$pattern =~ y/./-/ if $isarg;
		598	my $prefix = $name;
		599	my $suffix;
		600	if ($pattern =~ /\-$/) {
		601	$prefix = substr $name, 0, length $pattern;
		602	$suffix = substr $name, length $pattern;
		603	}
		604	if ($pattern eq $prefix) {
		605	$name = "$urxvt::RESCLASS.$k$suffix";
		606
		607	push @{ $term->{perl_ext_3} }, $v->[0];
		608
		609	if ($v->[1] eq "boolean") {
		610	$term->put_option_db ($name, $flag ? "true" : "false");
		611	return 1;
		612	} else {
		613	$term->put_option_db ($name, $value);
		614	return 1 + 2;
		615	}
		616	}
		617	}
		618
		619	0
		620	}
		621
		622	sub usage {
		623	my ($term, $usage_type) = @_;
		624
		625	$term->scan_extensions;
		626
		627	my $r = $term->{meta}{resource};
		628
		629	for my $pattern (sort keys %$r) {
		630	my ($ext, $type, $desc) = @{ $r->{$pattern} };
		631
		632	$desc .= " (-pe $ext)";
		633
		634	if ($usage_type == 1) {
		635	$pattern =~ y/./-/;
		636	$pattern =~ s/-$/-.../g;
		637
		638	if ($type eq "boolean") {
		639	urxvt::log sprintf " -%-30s %s\n", "/+$pattern", $desc;
		640	} else {
		641	urxvt::log sprintf " -%-30s %s\n", "$pattern $type", $desc;
		642	}
		643	} else {
		644	$pattern =~ s/\.$/.*/g;
		645	urxvt::log sprintf " %-31s %s\n", "$pattern:", $type;
		646	}
		647	}
		648	}
		649
508	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};	650	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
509		651
510	sub verbose {	652	sub verbose {
511	my ($level, $msg) = @_;	653	my ($level, $msg) = @_;
512	warn "$msg\n" if $level <= $verbosity;	654	warn "$msg\n" if $level <= $verbosity;
513	}	655	}
514		656
515	my $extension_pkg = "extension0000";
516	my %extension_pkg;	657	my %extension_pkg;
517		658
518	# load a single script into its own package, once only	659	# load a single script into its own package, once only
519	sub extension_package($) {	660	sub extension_package($) {
520	my ($path) = @_;	661	my ($path) = @_;
521		662
522	$extension_pkg{$path} ||= do {	663	$extension_pkg{$path} ||= do {
523	my $pkg = "urxvt::" . ($extension_pkg++);	664	$path =~ /([^\/\\]+)$/;
		665	my $pkg = $1;
		666	$pkg =~ s/[^[:word:]]/_/g;
		667	$pkg = "urxvt::ext::$pkg";
524		668
525	verbose 3, "loading extension '$path' into package '$pkg'";	669	verbose 3, "loading extension '$path' into package '$pkg'";
		670
		671	(${"$pkg\::_NAME"} = $path) =~ s/^.*[\\\/]//; # hackish
526		672
527	open my $fh, "<:raw", $path	673	open my $fh, "<:raw", $path
528	or die "$path: $!";	674	or die "$path: $!";
529		675
530	my $source = untaint	676	my $source =
531	"package $pkg; use strict; use utf8;\n"	677	"package $pkg; use strict 'vars'; use utf8; no warnings 'utf8';\n"
532	. "use base urxvt::term::extension::;\n"
533	. "#line 1 \"$path\"\n{\n"	678	. "#line 1 \"$path\"\n{\n"
534	. (do { local $/; <$fh> })	679	. (do { local $/; <$fh> })
535	. "\n};\n1";	680	. "\n};\n1";
536		681
537	eval $source	682	eval $source
…		…
546	# called by the rxvt core	691	# called by the rxvt core
547	sub invoke {	692	sub invoke {
548	local $TERM = shift;	693	local $TERM = shift;
549	my $htype = shift;	694	my $htype = shift;
550		695
551	if ($htype == 0) { # INIT	696	if ($htype == HOOK_INIT) {
552	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");	697	my @dirs = $TERM->perl_libdirs;
553		698
		699	$TERM->scan_extensions;
		700
554	my %ext_arg;	701	my %ext_arg;
555		702
		703	{
		704	my @init = @TERM_INIT;
		705	@TERM_INIT = ();
		706	$_->($TERM) for @init;
		707	my @pkg = @TERM_EXT;
		708	@TERM_EXT = ();
		709	$TERM->register_package ($_) for @pkg;
		710	}
		711
		712	for (
556	for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {	713	(grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2),
		714	@{ delete $TERM->{perl_ext_3} }
		715	) {
557	if ($_ eq "default") {	716	if ($_ eq "default") {
		717
		718	$ext_arg{$_} = []
558	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback);	719	for qw(selection option-popup selection-popup readline searchable-scrollback);
		720
		721	for ($TERM->_keysym_resources) {
		722	next if /^(?:string|command|builtin|builtin-string|perl)/;
		723	next unless /^([A-Za-z0-9_\-]+):/;
		724
		725	my $ext = $1;
		726
		727	$ext_arg{$ext} = [];
		728	}
		729
559	} elsif (/^-(.*)$/) {	730	} elsif (/^-(.*)$/) {
560	delete $ext_arg{$1};	731	delete $ext_arg{$1};
		732
561	} elsif (/^([^<]+)<(.*)>$/) {	733	} elsif (/^([^<]+)<(.*)>$/) {
562	push @{ $ext_arg{$1} }, $2;	734	push @{ $ext_arg{$1} }, $2;
		735
563	} else {	736	} else {
564	$ext_arg{$_} ||= [];	737	$ext_arg{$_} ||= [];
565	}	738	}
566	}	739	}
567		740
568	while (my ($ext, $argv) = each %ext_arg) {	741	for my $ext (sort keys %ext_arg) {
569	my @files = grep -f $_, map "$_/$ext", @dirs;	742	my @files = grep -f $_, map "$_/$ext", @dirs;
570		743
571	if (@files) {	744	if (@files) {
572	$TERM->register_package (extension_package $files[0], $argv);	745	$TERM->register_package (extension_package $files[0], $ext_arg{$ext});
573	} else {	746	} else {
574	warn "perl extension '$ext' not found in perl library search path\n";	747	warn "perl extension '$ext' not found in perl library search path\n";
575	}	748	}
576	}	749	}
577		750
…		…
583		756
584	if (my $cb = $TERM->{_hook}[$htype]) {	757	if (my $cb = $TERM->{_hook}[$htype]) {
585	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"	758	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
586	if $verbosity >= 10;	759	if $verbosity >= 10;
587		760
588	keys %$cb;	761	if ($htype == HOOK_ACTION) {
		762	# this hook is only sent to the extension with the name
		763	# matching the first arg
		764	my $pkg = shift;
		765	$pkg =~ y/-/_/;
		766	$pkg = "urxvt::ext::$pkg";
589		767
590	while (my ($pkg, $cb) = each %$cb) {	768	$cb = $cb->{$pkg}
		769	or return undef; #TODO: maybe warn user?
		770
		771	$cb = { $pkg => $cb };
		772	}
		773
		774	for my $pkg (keys %$cb) {
591	$retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) }	775	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg} || $TERM, @_) };
592	and last;	776	$retval ||= $retval_;
593		777
594	if ($@) {	778	if ($@) {
595	$TERM->ungrab; # better to lose the grab than the session	779	$TERM->ungrab; # better to lose the grab than the session
596	warn $@;	780	warn $@;
597	}	781	}
598	}	782	}
		783
		784	verbose 11, "$HOOKNAME[$htype] returning <$retval>"
		785	if $verbosity >= 11;
599	}	786	}
600		787
601	if ($htype == 1) { # DESTROY	788	if ($htype == HOOK_DESTROY) {
602	if (my $hook = delete $TERM->{_hook}) {
603	for my $htype (0..$#$hook) {
604	$hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
605	or set_should_invoke $htype, 0;
606	}
607	}
608
609	# clear package objects	789	# clear package objects
610	%$_ = () for values %{ $TERM->{_pkg} };	790	%$_ = () for values %{ $TERM->{_pkg} };
611		791
612	# clear package	792	# clear package
613	%$TERM = ();	793	%$TERM = ();
614	}	794	}
615		795
616	$retval	796	$retval
617	}	797	}
618		798
619	# urxvt::term::extension	799	sub SET_COLOR($$$) {
		800	SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
		801	}
620		802
621	package urxvt::term::extension;	803	sub rend2mask {
622		804	no strict 'refs';
623	sub enable {	805	my ($str, $mask) = (@_, 0);
624	my ($self, %hook) = @_;	806	my %color = ( fg => undef, bg => undef );
625	my $pkg = $self->{_pkg};	807	my @failed;
626		808	for my $spec ( split /\s+/, $str ) {
627	while (my ($name, $cb) = each %hook) {	809	if ( $spec =~ /^([fb]g)[_:-]?(\d+)/i ) {
628	my $htype = $HOOKTYPE{uc $name};	810	$color{lc($1)} = $2;
629	defined $htype	811	} else {
630	or Carp::croak "unsupported hook type '$name'";	812	my $neg = $spec =~ s/^[-^]//;
631		813	unless ( exists &{"RS_$spec"} ) {
632	unless (exists $self->{term}{_hook}[$htype]{$pkg}) {	814	push @failed, $spec;
633	$hook_count[$htype]++	815	next;
634	or urxvt::set_should_invoke $htype, 1;
635	}	816	}
636		817	my $cur = &{"RS_$spec"};
637	$self->{term}{_hook}[$htype]{$pkg} = $cb;	818	if ( $neg ) {
638	}	819	$mask &= ~$cur;
639	}	820	} else {
640		821	$mask |= $cur;
641	sub disable {	822	}
642	my ($self, @hook) = @_;
643	my $pkg = $self->{_pkg};
644
645	for my $name (@hook) {
646	my $htype = $HOOKTYPE{uc $name};
647	defined $htype
648	or Carp::croak "unsupported hook type '$name'";
649
650	if (delete $self->{term}{_hook}[$htype]{$pkg}) {
651	--$hook_count[$htype]
652	or urxvt::set_should_invoke $htype, 0;
653	}	823	}
654	}	824	}
		825	($mask, @color{qw(fg bg)}, \@failed)
655	}	826	}
		827
		828	package urxvt::term::extension;
		829
		830	=head2 The C<urxvt::term::extension> class
		831
		832	Each extension attached to a terminal object is represented by
		833	a C<urxvt::term::extension> object.
		834
		835	You can use these objects, which are passed to all callbacks to store any
		836	state related to the terminal and extension instance.
		837
		838	The methods (And data members) documented below can be called on extension
		839	objects, in addition to call methods documented for the <urxvt::term>
		840	class.
		841
		842	=over 4
		843
		844	=item $urxvt_term = $self->{term}
		845
		846	Returns the C<urxvt::term> object associated with this instance of the
		847	extension. This member I<must not> be changed in any way.
		848
		849	=cut
656		850
657	our $AUTOLOAD;	851	our $AUTOLOAD;
658		852
659	sub AUTOLOAD {	853	sub AUTOLOAD {
660	$AUTOLOAD =~ /:([^:]+)$/	854	$AUTOLOAD =~ /:([^:]+)$/
…		…
673		867
674	sub DESTROY {	868	sub DESTROY {
675	# nop	869	# nop
676	}	870	}
677		871
678	# urxvt::destroy_hook	872	# urxvt::destroy_hook (basically a cheap Guard:: implementation)
679		873
680	sub urxvt::destroy_hook::DESTROY {	874	sub urxvt::destroy_hook::DESTROY {
681	${$_[0]}->();	875	${$_[0]}->();
682	}	876	}
683		877
684	sub urxvt::destroy_hook(&) {	878	sub urxvt::destroy_hook(&) {
685	bless \shift, urxvt::destroy_hook::	879	bless \shift, urxvt::destroy_hook::
686	}	880	}
		881
		882	=item $self->enable ($hook_name => $cb[, $hook_name => $cb..])
		883
		884	Dynamically enable the given hooks (named without the C<on_> prefix) for
		885	this extension, replacing any hook previously installed via C<enable> in
		886	this extension.
		887
		888	This is useful when you want to overwrite time-critical hooks only
		889	temporarily.
		890
		891	To install additional callbacks for the same hook, you can use the C<on>
		892	method of the C<urxvt::term> class.
		893
		894	=item $self->disable ($hook_name[, $hook_name..])
		895
		896	Dynamically disable the given hooks.
		897
		898	=cut
		899
		900	sub enable {
		901	my ($self, %hook) = @_;
		902	my $pkg = $self->{_pkg};
		903
		904	while (my ($name, $cb) = each %hook) {
		905	my $htype = $HOOKTYPE{uc $name};
		906	defined $htype
		907	or Carp::croak "unsupported hook type '$name'";
		908
		909	$self->set_should_invoke ($htype, +1)
		910	unless exists $self->{term}{_hook}[$htype]{$pkg};
		911
		912	$self->{term}{_hook}[$htype]{$pkg} = $cb;
		913	}
		914	}
		915
		916	sub disable {
		917	my ($self, @hook) = @_;
		918	my $pkg = $self->{_pkg};
		919
		920	for my $name (@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	if delete $self->{term}{_hook}[$htype]{$pkg};
		927	}
		928	}
		929
		930	=item $guard = $self->on ($hook_name => $cb[, $hook_name => $cb..])
		931
		932	Similar to the C<enable> enable, but installs additional callbacks for
		933	the given hook(s) (that is, it doesn't replace existing callbacks), and
		934	returns a guard object. When the guard object is destroyed the callbacks
		935	are disabled again.
		936
		937	=cut
		938
		939	sub urxvt::extension::on_disable::DESTROY {
		940	my $disable = shift;
		941
		942	my $term = delete $disable->{""};
		943
		944	while (my ($htype, $id) = each %$disable) {
		945	delete $term->{_hook}[$htype]{$id};
		946	$term->set_should_invoke ($htype, -1);
		947	}
		948	}
		949
		950	sub on {
		951	my ($self, %hook) = @_;
		952
		953	my $term = $self->{term};
		954
		955	my %disable = ( "" => $term );
		956
		957	while (my ($name, $cb) = each %hook) {
		958	my $htype = $HOOKTYPE{uc $name};
		959	defined $htype
		960	or Carp::croak "unsupported hook type '$name'";
		961
		962	$term->set_should_invoke ($htype, +1);
		963	$term->{_hook}[$htype]{ $disable{$htype} = $cb+0 }
		964	= sub { shift; $cb->($self, @_) }; # very ugly indeed
		965	}
		966
		967	bless \%disable, "urxvt::extension::on_disable"
		968	}
		969
		970	=item $self->bind_action ($hotkey, $action)
		971
		972	=item $self->x_resource ($pattern)
		973
		974	=item $self->x_resource_boolean ($pattern)
		975
		976	These methods support an additional C<%> prefix for C<$action> or
		977	C<$pattern> when called on an extension object, compared to the
		978	C<urxvt::term> methods of the same name - see the description of these
		979	methods in the C<urxvt::term> class for details.
		980
		981	=cut
		982
		983	sub bind_action {
		984	my ($self, $hotkey, $action) = @_;
		985	$action =~ s/^%:/$_[0]{_name}:/;
		986	$self->{term}->bind_action ($hotkey, $action)
		987	}
		988
		989	sub x_resource {
		990	my ($self, $name) = @_;
		991	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		992	$self->{term}->x_resource ($name)
		993	}
		994
		995	sub x_resource_boolean {
		996	my ($self, $name) = @_;
		997	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		998	$self->{term}->x_resource_boolean ($name)
		999	}
		1000
		1001	=back
		1002
		1003	=cut
687		1004
688	package urxvt::anyevent;	1005	package urxvt::anyevent;
689		1006
690	=head2 The C<urxvt::anyevent> Class	1007	=head2 The C<urxvt::anyevent> Class
691		1008
692	The sole purpose of this class is to deliver an interface to the	1009	The sole purpose of this class is to deliver an interface to the
693	C<AnyEvent> module - any module using it will work inside urxvt without	1010	C<AnyEvent> module - any module using it will work inside urxvt without
694	further programming. The only exception is that you cannot wait on	1011	further programming. The only exception is that you cannot wait on
695	condition variables, but non-blocking condvar use is ok. What this means	1012	condition variables, but non-blocking condvar use is ok.
696	is that you cannot use blocking APIs, but the non-blocking variant should
697	work.
698		1013
699	=cut	1014	In practical terms this means is that you cannot use blocking APIs, but
		1015	the non-blocking variant should work.
700		1016
		1017	=cut
		1018
701	our $VERSION = 1;	1019	our $VERSION = '5.23';
702		1020
703	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there	1021	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
704	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];	1022	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
705		1023
706	sub timer {	1024	sub timer {
…		…
708		1026
709	my $cb = $arg{cb};	1027	my $cb = $arg{cb};
710		1028
711	urxvt::timer	1029	urxvt::timer
712	->new	1030	->new
713	->start (urxvt::NOW + $arg{after})	1031	->after ($arg{after}, $arg{interval})
714	->cb (sub {	1032	->cb ($arg{interval} ? $cb : sub {
715	$_[0]->stop; # need to cancel manually	1033	$_[0]->stop; # need to cancel manually
716	$cb->();	1034	$cb->();
717	})	1035	})
718	}	1036	}
719		1037
720	sub io {	1038	sub io {
721	my ($class, %arg) = @_;	1039	my ($class, %arg) = @_;
722		1040
723	my $cb = $arg{cb};	1041	my $cb = $arg{cb};
		1042	my $fd = fileno $arg{fh};
		1043	defined $fd or $fd = $arg{fh};
724		1044
725	bless [$arg{fh}, urxvt::iow	1045	bless [$arg{fh}, urxvt::iow
726	->new	1046	->new
727	->fd (fileno $arg{fh})	1047	->fd ($fd)
728	->events (($arg{poll} =~ /r/ ? 1 : 0)	1048	->events (($arg{poll} =~ /r/ ? 1 : 0)
729	| ($arg{poll} =~ /w/ ? 2 : 0))	1049	| ($arg{poll} =~ /w/ ? 2 : 0))
730	->start	1050	->start
731	->cb (sub {	1051	->cb ($cb)
732	$cb->(($_[1] & 1 ? 'r' : '')
733	. ($_[1] & 2 ? 'w' : ''));
734	})],
735	urxvt::anyevent::	1052	], urxvt::anyevent::
		1053	}
		1054
		1055	sub idle {
		1056	my ($class, %arg) = @_;
		1057
		1058	my $cb = $arg{cb};
		1059
		1060	urxvt::iw
		1061	->new
		1062	->start
		1063	->cb ($cb)
		1064	}
		1065
		1066	sub child {
		1067	my ($class, %arg) = @_;
		1068
		1069	my $cb = $arg{cb};
		1070
		1071	urxvt::pw
		1072	->new
		1073	->start ($arg{pid})
		1074	->cb (sub {
		1075	$_[0]->stop; # need to cancel manually
		1076	$cb->($_[0]->rpid, $_[0]->rstatus);
		1077	})
736	}	1078	}
737		1079
738	sub DESTROY {	1080	sub DESTROY {
739	$_[0][1]->stop;	1081	$_[0][1]->stop;
740	}	1082	}
741		1083
742	sub condvar {	1084	# only needed for AnyEvent < 6 compatibility
743	bless \my $flag, urxvt::anyevent::condvar::	1085	sub one_event {
744	}
745
746	sub urxvt::anyevent::condvar::broadcast {
747	${$_[0]}++;
748	}
749
750	sub urxvt::anyevent::condvar::wait {
751	unless (${$_[0]}) {
752	Carp::croak "AnyEvent->condvar blocking wait unsupported in urxvt, use a non-blocking API";	1086	Carp::croak "AnyEvent->one_event blocking wait unsupported in urxvt, use a non-blocking API";
753	}
754	}	1087	}
755		1088
756	package urxvt::term;	1089	package urxvt::term;
757		1090
758	=head2 The C<urxvt::term> Class	1091	=head2 The C<urxvt::term> Class
…		…
764	# find on_xxx subs in the package and register them	1097	# find on_xxx subs in the package and register them
765	# as hooks	1098	# as hooks
766	sub register_package {	1099	sub register_package {
767	my ($self, $pkg, $argv) = @_;	1100	my ($self, $pkg, $argv) = @_;
768		1101
		1102	no strict 'refs';
		1103
		1104	urxvt::verbose 6, "register package $pkg to $self";
		1105
		1106	@{"$pkg\::ISA"} = urxvt::term::extension::;
		1107
769	my $proxy = bless {	1108	my $proxy = bless {
770	_pkg => $pkg,	1109	_pkg => $pkg,
		1110	_name => ${"$pkg\::_NAME"}, # hackish
771	argv => $argv,	1111	argv => $argv,
772	}, $pkg;	1112	}, $pkg;
773	Scalar::Util::weaken ($proxy->{term} = $self);	1113	Scalar::Util::weaken ($proxy->{term} = $self);
774		1114
775	$self->{_pkg}{$pkg} = $proxy;	1115	$self->{_pkg}{$pkg} = $proxy;
776		1116
…		…
779	$proxy->enable ($name => $ref);	1119	$proxy->enable ($name => $ref);
780	}	1120	}
781	}	1121	}
782	}	1122	}
783		1123
		1124	sub perl_libdirs {
		1125	map { split /:/ }
		1126	$_[0]->resource ("perl_lib"),
		1127	$ENV{URXVT_PERL_LIB},
		1128	"$ENV{HOME}/.urxvt/ext",
		1129	"$LIBDIR/perl"
		1130	}
		1131
		1132	# scan for available extensions and collect their metadata
		1133	sub scan_extensions {
		1134	my ($self) = @_;
		1135
		1136	return if exists $self->{meta};
		1137
		1138	my @urxvtdirs = perl_libdirs $self;
		1139	my @cpandirs = grep -d, map "$_/URxvt/Ext", @INC;
		1140
		1141	$self->{meta} = \my %meta;
		1142
		1143	# first gather extensions
		1144
		1145	my $gather = sub {
		1146	my ($dir, $core) = @_;
		1147
		1148	opendir my $fh, $dir
		1149	or return;
		1150
		1151	for my $ext (readdir $fh) {
		1152	$ext !~ /^\./
		1153	or next;
		1154
		1155	open my $fh, "<", "$dir/$ext"
		1156	or next;
		1157
		1158	-f $fh
		1159	or next;
		1160
		1161	$ext =~ s/\.uext$// or $core
		1162	or next;
		1163
		1164	my %ext = (dir => $dir);
		1165
		1166	while (<$fh>) {
		1167	if (/^#:META:(?:X_)?RESOURCE:(.*)/) {
		1168	my ($pattern, $type, $desc) = split /:/, $1;
		1169	$pattern =~ s/^%(\.|$)/$ext$1/g; # % in pattern == extension name
		1170	if ($pattern =~ /[^a-zA-Z0-9\-\.]/) {
		1171	warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n";
		1172	} else {
		1173	$ext{resource}{$pattern} = [$ext, $type, $desc];
		1174	}
		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	$gather->($_, 0) for @cpandirs;
		1187	$gather->($_, 1) for @urxvtdirs;
		1188
		1189	# and now merge resources
		1190	while (my ($k, $v) = each %{ $meta{ext} }) {
		1191	#TODO: should check for extensions overriding each other
		1192	%{ $meta{resource} } = (%{ $meta{resource} }, %{ $v->{resource} });
		1193	}
		1194	}
		1195
784	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]	1196	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
785		1197
786	Creates a new terminal, very similar as if you had started it with system	1198	Creates a new terminal, very similar as if you had started it with system
787	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like	1199	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
788	hash which defines the environment of the new terminal.	1200	hash which defines the environment of the new terminal.
789		1201
790	Croaks (and probably outputs an error message) if the new instance	1202	Croaks (and probably outputs an error message) if the new instance
791	couldn't be created. Returns C<undef> if the new instance didn't	1203	couldn't be created. Returns C<undef> if the new instance didn't
792	initialise perl, and the terminal object otherwise. The C<init> and	1204	initialise perl, and the terminal object otherwise. The C<init> and
793	C<start> hooks will be called during this call.	1205	C<start> hooks will be called before this call returns, and are free to
		1206	refer to global data (which is race free).
794		1207
795	=cut	1208	=cut
796		1209
797	sub new {	1210	sub new {
798	my ($class, $env, @args) = @_;	1211	my ($class, $env, @args) = @_;
799		1212
		1213	$env or Carp::croak "environment hash missing in call to urxvt::term->new";
		1214	@args or Carp::croak "name argument missing in call to urxvt::term->new";
		1215
800	_new ([ map "$_=$env->{$_}", keys %$env ], @args);	1216	_new ([ map "$_=$env->{$_}", keys %$env ], \@args);
801	}	1217	}
802		1218
803	=item $term->destroy	1219	=item $term->destroy
804		1220
805	Destroy the terminal object (close the window, free resources	1221	Destroy the terminal object (close the window, free resources
806	etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event	1222	etc.). Please note that urxvt will not exit as long as any event
807	watchers (timers, io watchers) are still active.	1223	watchers (timers, io watchers) are still active.
		1224
		1225	=item $term->exec_async ($cmd[, @args])
		1226
		1227	Works like the combination of the C<fork>/C<exec> builtins, which executes
		1228	("starts") programs in the background. This function takes care of setting
		1229	the user environment before exec'ing the command (e.g. C<PATH>) and should
		1230	be preferred over explicit calls to C<exec> or C<system>.
		1231
		1232	Returns the pid of the subprocess or C<undef> on error.
		1233
		1234	=cut
		1235
		1236	sub exec_async {
		1237	my $self = shift;
		1238
		1239	my $pid = fork;
		1240
		1241	return $pid
		1242	if !defined $pid or $pid;
		1243
		1244	%ENV = %{ $self->env };
		1245
		1246	exec @_;
		1247	urxvt::_exit 255;
		1248	}
808		1249
809	=item $isset = $term->option ($optval[, $set])	1250	=item $isset = $term->option ($optval[, $set])
810		1251
811	Returns true if the option specified by C<$optval> is enabled, and	1252	Returns true if the option specified by C<$optval> is enabled, and
812	optionally change it. All option values are stored by name in the hash	1253	optionally change it. All option values are stored by name in the hash
813	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.	1254	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
814		1255
815	Here is a a likely non-exhaustive list of option names, please see the	1256	Here is a likely non-exhaustive list of option names, please see the
816	source file F</src/optinc.h> to see the actual list:	1257	source file F</src/optinc.h> to see the actual list:
817		1258
818	borderLess console cursorBlink cursorUnderline hold iconic insecure	1259	borderLess buffered console cursorBlink cursorUnderline hold iconic
819	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage	1260	insecure intensityStyles iso14755 iso14755_52 jumpScroll loginShell
		1261	mapAlert meta8 mouseWheelScrollPage override_redirect pastableTabs
820	pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating	1262	pointerBlank reverseVideo scrollBar scrollBar_floating scrollBar_right
821	scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer	1263	scrollTtyKeypress scrollTtyOutput scrollWithBuffer secondaryScreen
822	secondaryScreen secondaryScroll skipBuiltinGlyphs transparent	1264	secondaryScroll skipBuiltinGlyphs skipScroll transparent tripleclickwords
823	tripleclickwords utmpInhibit visualBell	1265	urgentOnBell utmpInhibit visualBell
824		1266
825	=item $value = $term->resource ($name[, $newval])	1267	=item $value = $term->resource ($name[, $newval])
826		1268
827	Returns the current resource value associated with a given name and	1269	Returns the current resource value associated with a given name and
828	optionally sets a new value. Setting values is most useful in the C<init>	1270	optionally sets a new value. Setting values is most useful in the C<init>
…		…
837	likely change).	1279	likely change).
838		1280
839	Please note that resource strings will currently only be freed when the	1281	Please note that resource strings will currently only be freed when the
840	terminal is destroyed, so changing options frequently will eat memory.	1282	terminal is destroyed, so changing options frequently will eat memory.
841		1283
842	Here is a a likely non-exhaustive list of resource names, not all of which	1284	Here is a likely non-exhaustive list of resource names, not all of which
843	are supported in every build, please see the source file F</src/rsinc.h>	1285	are supported in every build, please see the source file F</src/rsinc.h>
844	to see the actual list:	1286	to see the actual list:
845		1287
846	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont	1288	answerbackstring backgroundPixmap backspace_key blurradius
847	borderLess color cursorBlink cursorUnderline cutchars delete_key	1289	boldFont boldItalicFont borderLess buffered chdir color cursorBlink
848	display_name embed ext_bwidth fade font geometry hold iconName	1290	cursorUnderline cutchars delete_key depth display_name embed ext_bwidth
849	imFont imLocale inputMethod insecure int_bwidth intensityStyles	1291	fade font geometry hold iconName iconfile imFont imLocale inputMethod
		1292	insecure int_bwidth intensityStyles iso14755 iso14755_52 italicFont
850	italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier	1293	jumpScroll letterSpace lineSpace loginShell mapAlert meta8 modifier
851	mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2	1294	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
852	perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd	1295	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
853	reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating	1296	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
854	scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput	1297	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
855	scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle	1298	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
856	shade term_name title transparent transparent_all tripleclickwords	1299	secondaryScreen secondaryScroll shade skipBuiltinGlyphs skipScroll
		1300	term_name title transient_for transparent tripleclickwords urgentOnBell
857	utmpInhibit visualBell	1301	utmpInhibit visualBell
858		1302
859	=cut	1303	=cut
860		1304
861	sub resource($$;$) {	1305	sub resource($$;$) {
862	my ($self, $name) = (shift, shift);	1306	my ($self, $name) = (shift, shift);
863	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);	1307	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
864	&urxvt::term::_resource	1308	goto &urxvt::term::_resource
865	}	1309	}
866		1310
867	=item $value = $term->x_resource ($pattern)	1311	=item $value = $term->x_resource ($pattern)
868		1312
869	Returns the X-Resource for the given pattern, excluding the program or	1313	Returns the X-Resource for the given pattern, excluding the program or
870	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the	1314	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
871	same value as used by this instance of rxvt-unicode. Returns C<undef> if no	1315	same value as used by this instance of rxvt-unicode. Returns C<undef> if no
872	resource with that pattern exists.	1316	resource with that pattern exists.
873		1317
		1318	Extensions that define extra resources also need to call this method
		1319	to access their values.
		1320
		1321	If the method is called on an extension object (basically, from an
		1322	extension), then the special prefix C<%.> will be replaced by the name of
		1323	the extension and a dot, and the lone string C<%> will be replaced by the
		1324	extension name itself. This makes it possible to code extensions so you
		1325	can rename them and get a new set of resources without having to change
		1326	the actual code.
		1327
874	This method should only be called during the C<on_start> hook, as there is	1328	This method should only be called during the C<on_start> hook, as there is
875	only one resource database per display, and later invocations might return	1329	only one resource database per display, and later invocations might return
876	the wrong resources.	1330	the wrong resources.
877		1331
878	=item $success = $term->parse_keysym ($keysym_spec, $command_string)	1332	=item $value = $term->x_resource_boolean ($pattern)
879		1333
		1334	Like C<x_resource>, above, but interprets the string value as a boolean
		1335	and returns C<1> for true values, C<0> for false values and C<undef> if
		1336	the resource or option isn't specified.
		1337
		1338	You should always use this method to parse boolean resources.
		1339
		1340	=cut
		1341
		1342	sub x_resource_boolean {
		1343	my $res = &x_resource;
		1344
		1345	$res =~ /^\s*(?:true|yes|on|1)\s*$/i ? 1 : defined $res && 0
		1346	}
		1347
		1348	=item $success = $term->bind_action ($key, $action)
		1349
880	Adds a keymap translation exactly as specified via a resource. See the	1350	Adds a key binding exactly as specified via a C<keysym> resource. See the
881	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.	1351	C<keysym> resource in the urxvt(1) manpage.
		1352
		1353	To add default bindings for actions, an extension should call C<<
		1354	->bind_action >> in its C<init> hook for every such binding. Doing it
		1355	in the C<init> hook allows users to override or remove the binding
		1356	again.
		1357
		1358	Example: the C<searchable-scrollback> by default binds itself
		1359	on C<Meta-s>, using C<< $self->bind_action >>, which calls C<<
		1360	$term->bind_action >>.
		1361
		1362	sub init {
		1363	my ($self) = @_;
		1364
		1365	$self->bind_action ("M-s" => "%:start");
		1366	}
882		1367
883	=item $rend = $term->rstyle ([$new_rstyle])	1368	=item $rend = $term->rstyle ([$new_rstyle])
884		1369
885	Return and optionally change the current rendition. Text that is output by	1370	Return and optionally change the current rendition. Text that is output by
886	the terminal application will use this style.	1371	the terminal application will use this style.
…		…
894		1379
895	=item ($row, $col) = $term->selection_beg ([$row, $col])	1380	=item ($row, $col) = $term->selection_beg ([$row, $col])
896		1381
897	=item ($row, $col) = $term->selection_end ([$row, $col])	1382	=item ($row, $col) = $term->selection_end ([$row, $col])
898		1383
899	Return the current values of the selection mark, begin or end positions,	1384	Return the current values of the selection mark, begin or end positions.
900	and optionally set them to new values.
901		1385
		1386	When arguments are given, then the selection coordinates are set to
		1387	C<$row> and C<$col>, and the selection screen is set to the current
		1388	screen.
		1389
		1390	=item $screen = $term->selection_screen ([$screen])
		1391
		1392	Returns the current selection screen, and then optionally sets it.
		1393
		1394	=item $term->selection_make ($eventtime[, $rectangular])
		1395
		1396	Tries to make a selection as set by C<selection_beg> and
		1397	C<selection_end>. If C<$rectangular> is true (default: false), a
		1398	rectangular selection will be made. This is the preferred function to make
		1399	a selection.
		1400
902	=item $success = $term->selection_grab ($eventtime)	1401	=item $success = $term->selection_grab ($eventtime[, $clipboard])
903		1402
904	Try to request the primary selection from the server (for example, as set	1403	Try to acquire ownership of the primary (clipboard if C<$clipboard> is
905	by the next method).	1404	true) selection from the server. The corresponding text can be set
		1405	with the next method. No visual feedback will be given. This function
		1406	is mostly useful from within C<on_sel_grab> hooks.
906		1407
907	=item $oldtext = $term->selection ([$newtext])	1408	=item $oldtext = $term->selection ([$newtext, $clipboard])
908		1409
909	Return the current selection text and optionally replace it by C<$newtext>.	1410	Return the current selection (clipboard if C<$clipboard> is true) text
		1411	and optionally replace it by C<$newtext>.
		1412
		1413	=item $term->selection_clear ([$clipboard])
		1414
		1415	Revoke ownership of the primary (clipboard if C<$clipboard> is true) selection.
910		1416
911	=item $term->overlay_simple ($x, $y, $text)	1417	=item $term->overlay_simple ($x, $y, $text)
912		1418
913	Create a simple multi-line overlay box. See the next method for details.	1419	Create a simple multi-line overlay box. See the next method for details.
914		1420
…		…
944		1450
945	The methods currently supported on C<urxvt::overlay> objects are:	1451	The methods currently supported on C<urxvt::overlay> objects are:
946		1452
947	=over 4	1453	=over 4
948		1454
949	=item $overlay->set ($x, $y, $text, $rend)	1455	=item $overlay->set ($x, $y, $text[, $rend])
950		1456
951	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts	1457	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts
952	text in rxvt-unicode's special encoding and an array of rendition values	1458	text in rxvt-unicode's special encoding and an array of rendition values
953	at a specific position inside the overlay.	1459	at a specific position inside the overlay.
		1460
		1461	If C<$rend> is missing, then the rendition will not be changed.
954		1462
955	=item $overlay->hide	1463	=item $overlay->hide
956		1464
957	If visible, hide the overlay, but do not destroy it.	1465	If visible, hide the overlay, but do not destroy it.
958		1466
…		…
1003	Convert the given locale-encoded octets into a perl string.	1511	Convert the given locale-encoded octets into a perl string.
1004		1512
1005	=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])	1513	=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])
1006		1514
1007	XORs the rendition values in the given span with the provided value	1515	XORs the rendition values in the given span with the provided value
1008	(default: C<RS_RVid>). Useful in refresh hooks to provide effects similar	1516	(default: C<RS_RVid>), which I<MUST NOT> contain font styles. Useful in
1009	to the selection.	1517	refresh hooks to provide effects similar to the selection.
1010		1518
1011	=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])	1519	=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])
1012		1520
1013	Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing	1521	Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing
1014	whitespace will additionally be xored with the C<$rstyle2>, which defaults	1522	whitespace will additionally be xored with the C<$rstyle2>, which defaults
1015	to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines	1523	to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines
1016	it instead.	1524	it instead. Both styles I<MUST NOT> contain font styles.
1017		1525
1018	=item $term->scr_bell	1526	=item $term->scr_bell
1019		1527
1020	Ring the bell!	1528	Ring the bell!
1021		1529
1022	=item $term->scr_add_lines ($string)	1530	=item $term->scr_add_lines ($string)
1023		1531
1024	Write the given text string to the screen, as if output by the application	1532	Write the given text string to the screen, as if output by the application
1025	running inside the terminal. It may not contain command sequences (escape	1533	running inside the terminal. It may not contain command sequences (escape
1026	codes), but is free to use line feeds, carriage returns and tabs. The	1534	codes - see C<cmd_parse> for that), but is free to use line feeds,
1027	string is a normal text string, not in locale-dependent encoding.	1535	carriage returns and tabs. The string is a normal text string, not in
		1536	locale-dependent encoding.
1028		1537
1029	Normally its not a good idea to use this function, as programs might be	1538	Normally its not a good idea to use this function, as programs might be
1030	confused by changes in cursor position or scrolling. Its useful inside a	1539	confused by changes in cursor position or scrolling. Its useful inside a
1031	C<on_add_lines> hook, though.	1540	C<on_add_lines> hook, though.
1032		1541
		1542	=item $term->scr_change_screen ($screen)
		1543
		1544	Switch to given screen - 0 primary, 1 secondary.
		1545
1033	=item $term->cmd_parse ($octets)	1546	=item $term->cmd_parse ($octets)
1034		1547
1035	Similar to C<scr_add_lines>, but the argument must be in the	1548	Similar to C<scr_add_lines>, but the argument must be in the
1036	locale-specific encoding of the terminal and can contain command sequences	1549	locale-specific encoding of the terminal and can contain command sequences
1037	(escape codes) that will be interpreted.	1550	(escape codes) that will be interpreted.
1038		1551
1039	=item $term->tt_write ($octets)	1552	=item $term->tt_write ($octets)
1040		1553
1041	Write the octets given in C<$data> to the tty (i.e. as program input). To	1554	Write the octets given in C<$octets> to the tty (i.e. as user input
		1555	to the program, see C<cmd_parse> for the opposite direction). To pass
1042	pass characters instead of octets, you should convert your strings first	1556	characters instead of octets, you should convert your strings first to the
1043	to the locale-specific encoding using C<< $term->locale_encode >>.	1557	locale-specific encoding using C<< $term->locale_encode >>.
		1558
		1559	=item $term->tt_write_user_input ($octets)
		1560
		1561	Like C<tt_write>, but should be used when writing strings in response to
		1562	the user pressing a key, to invoke the additional actions requested by
		1563	the user for that case (C<tt_write> doesn't do that).
		1564
		1565	The typical use case would be inside C<on_action> hooks.
		1566
		1567	=item $term->tt_paste ($octets)
		1568
		1569	Write the octets given in C<$octets> to the tty as a paste, converting NL to
		1570	CR and bracketing the data with control sequences if bracketed paste mode
		1571	is set.
1044		1572
1045	=item $old_events = $term->pty_ev_events ([$new_events])	1573	=item $old_events = $term->pty_ev_events ([$new_events])
1046		1574
1047	Replaces the event mask of the pty watcher by the given event mask. Can	1575	Replaces the event mask of the pty watcher by the given event mask. Can
1048	be used to suppress input and output handling to the pty/tty. See the	1576	be used to suppress input and output handling to the pty/tty. See the
1049	description of C<< urxvt::timer->events >>. Make sure to always restore	1577	description of C<< urxvt::timer->events >>. Make sure to always restore
1050	the previous value.	1578	the previous value.
1051		1579
		1580	=item $fd = $term->pty_fd
		1581
		1582	Returns the master file descriptor for the pty in use, or C<-1> if no pty
		1583	is used.
		1584
1052	=item $windowid = $term->parent	1585	=item $windowid = $term->parent
1053		1586
1054	Return the window id of the toplevel window.	1587	Return the window id of the toplevel window.
1055		1588
1056	=item $windowid = $term->vt	1589	=item $windowid = $term->vt
1057		1590
1058	Return the window id of the terminal window.	1591	Return the window id of the terminal window.
1059		1592
		1593	=item $term->vt_emask_add ($x_event_mask)
		1594
		1595	Adds the specified events to the vt event mask. Useful e.g. when you want
		1596	to receive pointer events all the times:
		1597
		1598	$term->vt_emask_add (urxvt::PointerMotionMask);
		1599
		1600	=item $term->set_urgency ($set)
		1601
		1602	Enable/disable the urgency hint on the toplevel window.
		1603
		1604	=item $term->focus_in
		1605
		1606	=item $term->focus_out
		1607
		1608	=item $term->key_press ($state, $keycode[, $time])
		1609
		1610	=item $term->key_release ($state, $keycode[, $time])
		1611
		1612	Deliver various fake events to to terminal.
		1613
1060	=item $window_width = $term->width	1614	=item $window_width = $term->width
1061		1615
1062	=item $window_height = $term->height	1616	=item $window_height = $term->height
1063		1617
1064	=item $font_width = $term->fwidth	1618	=item $font_width = $term->fwidth
…		…
1077		1631
1078	=item $max_scrollback = $term->saveLines	1632	=item $max_scrollback = $term->saveLines
1079		1633
1080	=item $nrow_plus_saveLines = $term->total_rows	1634	=item $nrow_plus_saveLines = $term->total_rows
1081		1635
1082	=item $lines_in_scrollback = $term->nsaved	1636	=item $topmost_scrollback_row = $term->top_row
1083		1637
1084	Return various integers describing terminal characteristics.	1638	Return various integers describing terminal characteristics.
1085		1639
1086	=item $x_display = $term->display_id	1640	=item $x_display = $term->display_id
1087		1641
…		…
1094	=item $env = $term->env	1648	=item $env = $term->env
1095		1649
1096	Returns a copy of the environment in effect for the terminal as a hashref	1650	Returns a copy of the environment in effect for the terminal as a hashref
1097	similar to C<\%ENV>.	1651	similar to C<\%ENV>.
1098		1652
		1653	=item @envv = $term->envv
		1654
		1655	Returns the environment as array of strings of the form C<VAR=VALUE>.
		1656
		1657	=item @argv = $term->argv
		1658
		1659	Return the argument vector as this terminal, similar to @ARGV, but
		1660	includes the program name as first element.
		1661
1099	=cut	1662	=cut
1100		1663
1101	sub env {	1664	sub env {
1102	if (my $env = $_[0]->_env) {
1103	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), @$env }	1665	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), $_[0]->envv }
1104	} else {
1105	+{ %ENV }
1106	}
1107	}	1666	}
1108		1667
1109	=item $modifiermask = $term->ModLevel3Mask	1668	=item $modifiermask = $term->ModLevel3Mask
1110		1669
1111	=item $modifiermask = $term->ModMetaMask	1670	=item $modifiermask = $term->ModMetaMask
…		…
1113	=item $modifiermask = $term->ModNumLockMask	1672	=item $modifiermask = $term->ModNumLockMask
1114		1673
1115	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often	1674	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
1116	AltGr), the meta key (often Alt) and the num lock key, if applicable.	1675	AltGr), the meta key (often Alt) and the num lock key, if applicable.
1117		1676
		1677	=item $screen = $term->current_screen
		1678
		1679	Returns the currently displayed screen (0 primary, 1 secondary).
		1680
		1681	=item $cursor_is_hidden = $term->hidden_cursor
		1682
		1683	Returns whether the cursor is currently hidden or not.
		1684
1118	=item $view_start = $term->view_start ([$newvalue])	1685	=item $view_start = $term->view_start ([$newvalue])
1119		1686
1120	Returns the negative row number of the topmost line. Minimum value is	1687	Returns the row number of the topmost displayed line. Maximum value is
1121	C<0>, which displays the normal terminal contents. Larger values scroll	1688	C<0>, which displays the normal terminal contents. Lower values scroll
1122	this many lines into the scrollback buffer.	1689	this many lines into the scrollback buffer.
1123		1690
1124	=item $term->want_refresh	1691	=item $term->want_refresh
1125		1692
1126	Requests a screen refresh. At the next opportunity, rxvt-unicode will	1693	Requests a screen refresh. At the next opportunity, rxvt-unicode will
…		…
1129		1696
1130	Used after changing terminal contents to display them.	1697	Used after changing terminal contents to display them.
1131		1698
1132	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])	1699	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
1133		1700
1134	Returns the text of the entire row with number C<$row_number>. Row C<0>	1701	Returns the text of the entire row with number C<$row_number>. Row C<< $term->top_row >>
1135	is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost	1702	is the topmost terminal line, row C<< $term->nrow-1 >> is the bottommost
1136	terminal line. The scrollback buffer starts at line C<-1> and extends to
1137	line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line	1703	terminal line. Nothing will be returned if a nonexistent line
1138	is requested.	1704	is requested.
1139		1705
1140	If C<$new_text> is specified, it will replace characters in the current	1706	If C<$new_text> is specified, it will replace characters in the current
1141	line, starting at column C<$start_col> (default C<0>), which is useful	1707	line, starting at column C<$start_col> (default C<0>), which is useful
1142	to replace only parts of a line. The font index in the rendition will	1708	to replace only parts of a line. The font index in the rendition will
1143	automatically be updated.	1709	automatically be updated.
1144		1710
1145	C<$text> is in a special encoding: tabs and wide characters that use more	1711	C<$text> is in a special encoding: tabs and wide characters that use more
1146	than one cell when displayed are padded with urxvt::NOCHAR characters	1712	than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
1147	(C<chr 65535>). Characters with combining characters and other characters	1713	characters. Characters with combining characters and other characters that
1148	that do not fit into the normal tetx encoding will be replaced with	1714	do not fit into the normal text encoding will be replaced with characters
1149	characters in the private use area.	1715	in the private use area.
1150		1716
1151	You have to obey this encoding when changing text. The advantage is	1717	You have to obey this encoding when changing text. The advantage is
1152	that C<substr> and similar functions work on screen cells and not on	1718	that C<substr> and similar functions work on screen cells and not on
1153	characters.	1719	characters.
1154		1720
…		…
1205	Return the row number of the first/last row of the line, respectively.	1771	Return the row number of the first/last row of the line, respectively.
1206		1772
1207	=item $offset = $line->offset_of ($row, $col)	1773	=item $offset = $line->offset_of ($row, $col)
1208		1774
1209	Returns the character offset of the given row|col pair within the logical	1775	Returns the character offset of the given row|col pair within the logical
1210	line.	1776	line. Works for rows outside the line, too, and returns corresponding
		1777	offsets outside the string.
1211		1778
1212	=item ($row, $col) = $line->coord_of ($offset)	1779	=item ($row, $col) = $line->coord_of ($offset)
1213		1780
1214	Translates a string offset into terminal coordinates again.	1781	Translates a string offset into terminal coordinates again.
1215		1782
…		…
1237	}	1804	}
1238		1805
1239	sub urxvt::line::t {	1806	sub urxvt::line::t {
1240	my ($self) = @_;	1807	my ($self) = @_;
1241		1808
1242	if (@_ > 1)	1809	if (@_ > 1) {
1243	{
1244	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1810	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1245	for $self->{beg} .. $self->{end};	1811	for $self->{beg} .. $self->{end};
1246	}	1812	}
1247		1813
1248	defined wantarray &&	1814	defined wantarray &&
1249	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),	1815	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),
1250	0, $self->{len}	1816	0, $self->{len}
1251	}	1817	}
1252		1818
1253	sub urxvt::line::r {	1819	sub urxvt::line::r {
1254	my ($self) = @_;	1820	my ($self) = @_;
1255		1821
1256	if (@_ > 1)	1822	if (@_ > 1) {
1257	{
1258	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1823	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1259	for $self->{beg} .. $self->{end};	1824	for $self->{beg} .. $self->{end};
1260	}	1825	}
1261		1826
1262	if (defined wantarray) {	1827	if (defined wantarray) {
1263	my $rend = [	1828	my $rend = [
1264	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}	1829	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}
1265	];	1830	];
…		…
1297	where one character corresponds to one screen cell. See	1862	where one character corresponds to one screen cell. See
1298	C<< $term->ROW_t >> for details.	1863	C<< $term->ROW_t >> for details.
1299		1864
1300	=item $string = $term->special_decode $text	1865	=item $string = $term->special_decode $text
1301		1866
1302	Converts rxvt-unicodes text reprsentation into a perl string. See	1867	Converts rxvt-unicodes text representation into a perl string. See
1303	C<< $term->ROW_t >> for details.	1868	C<< $term->ROW_t >> for details.
1304		1869
1305	=item $success = $term->grab_button ($button, $modifiermask)	1870	=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
1306		1871
		1872	=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
		1873
1307	Registers a synchronous button grab. See the XGrabButton manpage.	1874	Register/unregister a synchronous button grab. See the XGrabButton
		1875	manpage.
1308		1876
1309	=item $success = $term->grab ($eventtime[, $sync])	1877	=item $success = $term->grab ($eventtime[, $sync])
1310		1878
1311	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or	1879	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1312	synchronous (C<$sync> is true). Also remembers the grab timestampe.	1880	synchronous (C<$sync> is true). Also remembers the grab timestamp.
1313		1881
1314	=item $term->allow_events_async	1882	=item $term->allow_events_async
1315		1883
1316	Calls XAllowEvents with AsyncBoth for the most recent grab.	1884	Calls XAllowEvents with AsyncBoth for the most recent grab.
1317		1885
…		…
1324	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most	1892	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
1325	recent grab.	1893	recent grab.
1326		1894
1327	=item $term->ungrab	1895	=item $term->ungrab
1328		1896
1329	Calls XUngrab for the most recent grab. Is called automatically on	1897	Calls XUngrabPointer and XUngrabKeyboard for the most recent grab. Is called automatically on
1330	evaluation errors, as it is better to lose the grab in the error case as	1898	evaluation errors, as it is better to lose the grab in the error case as
1331	the session.	1899	the session.
		1900
		1901	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
		1902
		1903	=item $atom_name = $term->XGetAtomName ($atom)
		1904
		1905	=item @atoms = $term->XListProperties ($window)
		1906
		1907	=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
		1908
		1909	=item $term->XChangeProperty ($window, $property, $type, $format, $octets)
		1910
		1911	=item $term->XDeleteProperty ($window, $property)
		1912
		1913	=item $window = $term->DefaultRootWindow
		1914
		1915	=item $term->XReparentWindow ($window, $parent, [$x, $y])
		1916
		1917	=item $term->XMapWindow ($window)
		1918
		1919	=item $term->XUnmapWindow ($window)
		1920
		1921	=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
		1922
		1923	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
		1924
		1925	=item $term->XChangeInput ($window, $add_events[, $del_events])
		1926
		1927	=item $keysym = $term->XStringToKeysym ($string)
		1928
		1929	=item $string = $term->XKeysymToString ($keysym)
		1930
		1931	Various X or X-related functions. The C<$term> object only serves as
		1932	the source of the display, otherwise those functions map more-or-less
		1933	directly onto the X functions of the same name.
1332		1934
1333	=back	1935	=back
1334		1936
1335	=cut	1937	=cut
1336		1938
…		…
1400	my ($self, $text, $cb) = @_;	2002	my ($self, $text, $cb) = @_;
1401		2003
1402	$self->add_item ({ type => "button", text => $text, activate => $cb});	2004	$self->add_item ({ type => "button", text => $text, activate => $cb});
1403	}	2005	}
1404		2006
1405	=item $popup->add_toggle ($text, $cb, $initial_value)	2007	=item $popup->add_toggle ($text, $initial_value, $cb)
1406		2008
1407	Adds a toggle/checkbox item to the popup. Teh callback gets called	2009	Adds a toggle/checkbox item to the popup. The callback gets called
1408	whenever it gets toggled, with a boolean indicating its value as its first	2010	whenever it gets toggled, with a boolean indicating its new value as its
1409	argument.	2011	first argument.
1410		2012
1411	=cut	2013	=cut
1412		2014
1413	sub add_toggle {	2015	sub add_toggle {
1414	my ($self, $text, $cb, $value) = @_;	2016	my ($self, $text, $value, $cb) = @_;
1415		2017
1416	my $item; $item = {	2018	my $item; $item = {
1417	type => "button",	2019	type => "button",
1418	text => " $text",	2020	text => " $text",
1419	value => $value,	2021	value => $value,
…		…
1438	my $env = $self->{term}->env;	2040	my $env = $self->{term}->env;
1439	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.	2041	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
1440	delete $env->{LC_ALL};	2042	delete $env->{LC_ALL};
1441	$env->{LC_CTYPE} = $self->{term}->locale;	2043	$env->{LC_CTYPE} = $self->{term}->locale;
1442		2044
1443	urxvt::term->new ($env, $self->{term}->resource ("name"),	2045	my $term = urxvt::term->new (
1444	"--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0,	2046	$env, "popup",
		2047	"--perl-lib" => "", "--perl-ext-common" => "",
		2048	"-pty-fd" => -1, "-sl" => 0,
		2049	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1445	"--transient-for" => $self->{term}->parent,	2050	"--transient-for" => $self->{term}->parent,
1446	"-display" => $self->{term}->display_id,	2051	"-display" => $self->{term}->display_id,
1447	"-pe" => "urxvt-popup")	2052	"-pe" => "urxvt-popup",
1448	or die "unable to create popup window\n";	2053	) or die "unable to create popup window\n";
		2054
		2055	unless (delete $term->{urxvt_popup_init_done}) {
		2056	$term->ungrab;
		2057	$term->destroy;
		2058	die "unable to initialise popup window\n";
		2059	}
1449	}	2060	}
1450		2061
1451	sub DESTROY {	2062	sub DESTROY {
1452	my ($self) = @_;	2063	my ($self) = @_;
1453		2064
1454	delete $self->{term}{_destroy}{$self};	2065	delete $self->{term}{_destroy}{$self};
1455	$self->{term}->ungrab;	2066	$self->{term}->ungrab;
1456	}	2067	}
1457		2068
1458	=back	2069	=back
		2070
		2071	=cut
		2072
		2073	package urxvt::watcher;
1459		2074
1460	=head2 The C<urxvt::timer> Class	2075	=head2 The C<urxvt::timer> Class
1461		2076
1462	This class implements timer watchers/events. Time is represented as a	2077	This class implements timer watchers/events. Time is represented as a
1463	fractional number of seconds since the epoch. Example:	2078	fractional number of seconds since the epoch. Example:
…		…
1467	->new	2082	->new
1468	->interval (1)	2083	->interval (1)
1469	->cb (sub {	2084	->cb (sub {
1470	$term->{overlay}->set (0, 0,	2085	$term->{overlay}->set (0, 0,
1471	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);	2086	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
1472	});	2087	});
1473		2088
1474	=over 4	2089	=over 4
1475		2090
1476	=item $timer = new urxvt::timer	2091	=item $timer = new urxvt::timer
1477		2092
…		…
1480		2095
1481	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })	2096	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })
1482		2097
1483	Set the callback to be called when the timer triggers.	2098	Set the callback to be called when the timer triggers.
1484		2099
1485	=item $tstamp = $timer->at
1486
1487	Return the time this watcher will fire next.
1488
1489	=item $timer = $timer->set ($tstamp)	2100	=item $timer = $timer->set ($tstamp[, $interval])
1490		2101
1491	Set the time the event is generated to $tstamp.	2102	Set the time the event is generated to $tstamp (and optionally specifies a
		2103	new $interval).
1492		2104
1493	=item $timer = $timer->interval ($interval)	2105	=item $timer = $timer->interval ($interval)
1494		2106
1495	Normally (and when C<$interval> is C<0>), the timer will automatically	2107	By default (and when C<$interval> is C<0>), the timer will automatically
1496	stop after it has fired once. If C<$interval> is non-zero, then the timer	2108	stop after it has fired once. If C<$interval> is non-zero, then the timer
1497	is automatically rescheduled at the given intervals.	2109	is automatically rescheduled at the given intervals.
1498		2110
1499	=item $timer = $timer->start	2111	=item $timer = $timer->start
1500		2112
1501	Start the timer.	2113	Start the timer.
1502		2114
1503	=item $timer = $timer->start ($tstamp)	2115	=item $timer = $timer->start ($tstamp[, $interval])
1504		2116
1505	Set the event trigger time to C<$tstamp> and start the timer.	2117	Set the event trigger time to C<$tstamp> and start the timer. Optionally
		2118	also replaces the interval.
		2119
		2120	=item $timer = $timer->after ($delay[, $interval])
		2121
		2122	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1506		2123
1507	=item $timer = $timer->stop	2124	=item $timer = $timer->stop
1508		2125
1509	Stop the timer.	2126	Stop the timer.
1510		2127
…		…
1516		2133
1517	$term->{socket} = ...	2134	$term->{socket} = ...
1518	$term->{iow} = urxvt::iow	2135	$term->{iow} = urxvt::iow
1519	->new	2136	->new
1520	->fd (fileno $term->{socket})	2137	->fd (fileno $term->{socket})
1521	->events (urxvt::EVENT_READ)	2138	->events (urxvt::EV_READ)
1522	->start	2139	->start
1523	->cb (sub {	2140	->cb (sub {
1524	my ($iow, $revents) = @_;	2141	my ($iow, $revents) = @_;
1525	# $revents must be 1 here, no need to check	2142	# $revents must be 1 here, no need to check
1526	sysread $term->{socket}, my $buf, 8192	2143	sysread $term->{socket}, my $buf, 8192
…		…
1539	Set the callback to be called when io events are triggered. C<$reventmask>	2156	Set the callback to be called when io events are triggered. C<$reventmask>
1540	is a bitset as described in the C<events> method.	2157	is a bitset as described in the C<events> method.
1541		2158
1542	=item $iow = $iow->fd ($fd)	2159	=item $iow = $iow->fd ($fd)
1543		2160
1544	Set the filedescriptor (not handle) to watch.	2161	Set the file descriptor (not handle) to watch.
1545		2162
1546	=item $iow = $iow->events ($eventmask)	2163	=item $iow = $iow->events ($eventmask)
1547		2164
1548	Set the event mask to watch. The only allowed values are	2165	Set the event mask to watch. The only allowed values are
1549	C<urxvt::EVENT_READ> and C<urxvt::EVENT_WRITE>, which might be ORed	2166	C<urxvt::EV_READ> and C<urxvt::EV_WRITE>, which might be ORed
1550	together, or C<urxvt::EVENT_NONE>.	2167	together, or C<urxvt::EV_NONE>.
1551		2168
1552	=item $iow = $iow->start	2169	=item $iow = $iow->start
1553		2170
1554	Start watching for requested events on the given handle.	2171	Start watching for requested events on the given handle.
1555		2172
1556	=item $iow = $iow->stop	2173	=item $iow = $iow->stop
1557		2174
1558	Stop watching for events on the given filehandle.	2175	Stop watching for events on the given file handle.
		2176
		2177	=back
		2178
		2179	=head2 The C<urxvt::iw> Class
		2180
		2181	This class implements idle watchers, that get called automatically when
		2182	the process is idle. They should return as fast as possible, after doing
		2183	some useful work.
		2184
		2185	=over 4
		2186
		2187	=item $iw = new urxvt::iw
		2188
		2189	Create a new idle watcher object in stopped state.
		2190
		2191	=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
		2192
		2193	Set the callback to be called when the watcher triggers.
		2194
		2195	=item $timer = $timer->start
		2196
		2197	Start the watcher.
		2198
		2199	=item $timer = $timer->stop
		2200
		2201	Stop the watcher.
		2202
		2203	=back
		2204
		2205	=head2 The C<urxvt::pw> Class
		2206
		2207	This class implements process watchers. They create an event whenever a
		2208	process exits, after which they stop automatically.
		2209
		2210	my $pid = fork;
		2211	...
		2212	$term->{pw} = urxvt::pw
		2213	->new
		2214	->start ($pid)
		2215	->cb (sub {
		2216	my ($pw, $exit_status) = @_;
		2217	...
		2218	});
		2219
		2220	=over 4
		2221
		2222	=item $pw = new urxvt::pw
		2223
		2224	Create a new process watcher in stopped state.
		2225
		2226	=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
		2227
		2228	Set the callback to be called when the timer triggers.
		2229
		2230	=item $pw = $timer->start ($pid)
		2231
		2232	Tells the watcher to start watching for process C<$pid>.
		2233
		2234	=item $pw = $pw->stop
		2235
		2236	Stop the watcher.
1559		2237
1560	=back	2238	=back
1561		2239
1562	=head1 ENVIRONMENT	2240	=head1 ENVIRONMENT
1563		2241
…		…
1570		2248
1571	=item == 0 - fatal messages	2249	=item == 0 - fatal messages
1572		2250
1573	=item >= 3 - script loading and management	2251	=item >= 3 - script loading and management
1574		2252
1575	=item >=10 - all events received	2253	=item >=10 - all called hooks
		2254
		2255	=item >=11 - hook return values
1576		2256
1577	=back	2257	=back
1578		2258
1579	=head1 AUTHOR	2259	=head1 AUTHOR
1580		2260
1581	Marc Lehmann <pcg@goof.com>	2261	Marc Lehmann <schmorp@schmorp.de>
1582	http://software.schmorp.de/pkg/rxvt-unicode	2262	http://software.schmorp.de/pkg/rxvt-unicode
1583		2263
1584	=cut	2264	=cut
1585		2265
1586	1	2266	1
		2267
		2268	# vim: sw=3:

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