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Revision 1.84 by root, Thu Jan 12 02:20:56 2006 UTC vs.
Revision 1.253 by sf-exg, Fri Jan 16 20:13:01 2015 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 middle-clicked, the program specified in the
91	resource 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	# %ENV is the original startup environment
502	delete $ENV{IFS};
503	delete $ENV{CDPATH};
504	delete $ENV{BASH_ENV};
505	$ENV{PATH} = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin:/opt/sbin";
506	}	584	}
507		585
508	my @hook_count;	586	no warnings 'utf8';
		587
		588	sub parse_resource {
		589	my ($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
509	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};	650	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
510		651
511	sub verbose {	652	sub verbose {
512	my ($level, $msg) = @_;	653	my ($level, $msg) = @_;
513	warn "$msg\n" if $level <= $verbosity;	654	warn "$msg\n" if $level <= $verbosity;
514	}	655	}
515		656
516	my $extension_pkg = "extension0000";
517	my %extension_pkg;	657	my %extension_pkg;
518		658
519	# load a single script into its own package, once only	659	# load a single script into its own package, once only
520	sub extension_package($) {	660	sub extension_package($) {
521	my ($path) = @_;	661	my ($path) = @_;
522		662
523	$extension_pkg{$path} ||= do {	663	$extension_pkg{$path} ||= do {
524	my $pkg = "urxvt::" . ($extension_pkg++);	664	$path =~ /([^\/\\]+)$/;
		665	my $pkg = $1;
		666	$pkg =~ s/[^[:word:]]/_/g;
		667	$pkg = "urxvt::ext::$pkg";
525		668
526	verbose 3, "loading extension '$path' into package '$pkg'";	669	verbose 3, "loading extension '$path' into package '$pkg'";
		670
		671	(${"$pkg\::_NAME"} = $path) =~ s/^.*[\\\/]//; # hackish
527		672
528	open my $fh, "<:raw", $path	673	open my $fh, "<:raw", $path
529	or die "$path: $!";	674	or die "$path: $!";
530		675
531	my $source = untaint	676	my $source =
532	"package $pkg; use strict; use utf8;\n"	677	"package $pkg; use strict 'vars'; use utf8; no warnings 'utf8';\n"
533	. "use base urxvt::term::extension::;\n"
534	. "#line 1 \"$path\"\n{\n"	678	. "#line 1 \"$path\"\n{\n"
535	. (do { local $/; <$fh> })	679	. (do { local $/; <$fh> })
536	. "\n};\n1";	680	. "\n};\n1";
537		681
538	eval $source	682	eval $source
…		…
547	# called by the rxvt core	691	# called by the rxvt core
548	sub invoke {	692	sub invoke {
549	local $TERM = shift;	693	local $TERM = shift;
550	my $htype = shift;	694	my $htype = shift;
551		695
552	if ($htype == 0) { # INIT	696	if ($htype == HOOK_INIT) {
553	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");	697	my @dirs = $TERM->perl_libdirs;
554		698
		699	$TERM->scan_extensions;
		700
555	my %ext_arg;	701	my %ext_arg;
556		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 (
557	for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {	713	(grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2),
		714	@{ delete $TERM->{perl_ext_3} }
		715	) {
558	if ($_ eq "default") {	716	if ($_ eq "default") {
		717
		718	$ext_arg{$_} = []
559	$ext_arg{$_} ||= [] 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
560	} elsif (/^-(.*)$/) {	730	} elsif (/^-(.*)$/) {
561	delete $ext_arg{$1};	731	delete $ext_arg{$1};
		732
562	} elsif (/^([^<]+)<(.*)>$/) {	733	} elsif (/^([^<]+)<(.*)>$/) {
563	push @{ $ext_arg{$1} }, $2;	734	push @{ $ext_arg{$1} }, $2;
		735
564	} else {	736	} else {
565	$ext_arg{$_} ||= [];	737	$ext_arg{$_} ||= [];
566	}	738	}
567	}	739	}
568		740
569	while (my ($ext, $argv) = each %ext_arg) {	741	for my $ext (sort keys %ext_arg) {
570	my @files = grep -f $_, map "$_/$ext", @dirs;	742	my @files = grep -f $_, map "$_/$ext", @dirs;
571		743
572	if (@files) {	744	if (@files) {
573	$TERM->register_package (extension_package $files[0], $argv);	745	$TERM->register_package (extension_package $files[0], $ext_arg{$ext});
574	} else {	746	} else {
575	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";
576	}	748	}
577	}	749	}
578		750
…		…
584		756
585	if (my $cb = $TERM->{_hook}[$htype]) {	757	if (my $cb = $TERM->{_hook}[$htype]) {
586	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"	758	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
587	if $verbosity >= 10;	759	if $verbosity >= 10;
588		760
589	keys %$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";
590		767
591	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) {
592	$retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) }	775	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg} || $TERM, @_) };
593	and last;	776	$retval ||= $retval_;
594		777
595	if ($@) {	778	if ($@) {
596	$TERM->ungrab; # better to lose the grab than the session	779	$TERM->ungrab; # better to lose the grab than the session
597	warn $@;	780	warn $@;
598	}	781	}
599	}	782	}
		783
		784	verbose 11, "$HOOKNAME[$htype] returning <$retval>"
		785	if $verbosity >= 11;
600	}	786	}
601		787
602	if ($htype == 1) { # DESTROY	788	if ($htype == HOOK_DESTROY) {
603	if (my $hook = delete $TERM->{_hook}) {
604	for my $htype (0..$#$hook) {
605	$hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
606	or set_should_invoke $htype, 0;
607	}
608	}
609
610	# clear package objects	789	# clear package objects
611	%$_ = () for values %{ $TERM->{_pkg} };	790	%$_ = () for values %{ $TERM->{_pkg} };
612		791
613	# clear package	792	# clear package
614	%$TERM = ();	793	%$TERM = ();
615	}	794	}
616		795
617	$retval	796	$retval
618	}	797	}
619		798
620	sub exec_async(@) {	799	sub SET_COLOR($$$) {
621	my $pid = fork;	800	SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
622
623	return
624	if !defined $pid or $pid;
625
626	%ENV = %{ $TERM->env };
627
628	exec @_;
629	_exit 255;
630	}	801	}
631		802
632	# urxvt::term::extension	803	sub rend2mask {
633		804	no strict 'refs';
634	package urxvt::term::extension;	805	my ($str, $mask) = (@_, 0);
635		806	my %color = ( fg => undef, bg => undef );
636	sub enable {	807	my @failed;
637	my ($self, %hook) = @_;	808	for my $spec ( split /\s+/, $str ) {
638	my $pkg = $self->{_pkg};	809	if ( $spec =~ /^([fb]g)[_:-]?(\d+)/i ) {
639		810	$color{lc($1)} = $2;
640	while (my ($name, $cb) = each %hook) {	811	} else {
641	my $htype = $HOOKTYPE{uc $name};	812	my $neg = $spec =~ s/^[-^]//;
642	defined $htype	813	unless ( exists &{"RS_$spec"} ) {
643	or Carp::croak "unsupported hook type '$name'";	814	push @failed, $spec;
644		815	next;
645	unless (exists $self->{term}{_hook}[$htype]{$pkg}) {
646	$hook_count[$htype]++
647	or urxvt::set_should_invoke $htype, 1;
648	}	816	}
649		817	my $cur = &{"RS_$spec"};
650	$self->{term}{_hook}[$htype]{$pkg} = $cb;	818	if ( $neg ) {
651	}	819	$mask &= ~$cur;
652	}	820	} else {
653		821	$mask |= $cur;
654	sub disable {	822	}
655	my ($self, @hook) = @_;
656	my $pkg = $self->{_pkg};
657
658	for my $name (@hook) {
659	my $htype = $HOOKTYPE{uc $name};
660	defined $htype
661	or Carp::croak "unsupported hook type '$name'";
662
663	if (delete $self->{term}{_hook}[$htype]{$pkg}) {
664	--$hook_count[$htype]
665	or urxvt::set_should_invoke $htype, 0;
666	}	823	}
667	}	824	}
		825	($mask, @color{qw(fg bg)}, \@failed)
668	}	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
669		850
670	our $AUTOLOAD;	851	our $AUTOLOAD;
671		852
672	sub AUTOLOAD {	853	sub AUTOLOAD {
673	$AUTOLOAD =~ /:([^:]+)$/	854	$AUTOLOAD =~ /:([^:]+)$/
…		…
686		867
687	sub DESTROY {	868	sub DESTROY {
688	# nop	869	# nop
689	}	870	}
690		871
691	# urxvt::destroy_hook	872	# urxvt::destroy_hook (basically a cheap Guard:: implementation)
692		873
693	sub urxvt::destroy_hook::DESTROY {	874	sub urxvt::destroy_hook::DESTROY {
694	${$_[0]}->();	875	${$_[0]}->();
695	}	876	}
696		877
697	sub urxvt::destroy_hook(&) {	878	sub urxvt::destroy_hook(&) {
698	bless \shift, urxvt::destroy_hook::	879	bless \shift, urxvt::destroy_hook::
699	}	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
700		1004
701	package urxvt::anyevent;	1005	package urxvt::anyevent;
702		1006
703	=head2 The C<urxvt::anyevent> Class	1007	=head2 The C<urxvt::anyevent> Class
704		1008
705	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
706	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
707	further programming. The only exception is that you cannot wait on	1011	further programming. The only exception is that you cannot wait on
708	condition variables, but non-blocking condvar use is ok. What this means	1012	condition variables, but non-blocking condvar use is ok.
709	is that you cannot use blocking APIs, but the non-blocking variant should
710	work.
711		1013
712	=cut	1014	In practical terms this means is that you cannot use blocking APIs, but
		1015	the non-blocking variant should work.
713		1016
		1017	=cut
		1018
714	our $VERSION = 1;	1019	our $VERSION = '5.23';
715		1020
716	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there	1021	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
717	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];	1022	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
718		1023
719	sub timer {	1024	sub timer {
…		…
721		1026
722	my $cb = $arg{cb};	1027	my $cb = $arg{cb};
723		1028
724	urxvt::timer	1029	urxvt::timer
725	->new	1030	->new
726	->start (urxvt::NOW + $arg{after})	1031	->after ($arg{after}, $arg{interval})
727	->cb (sub {	1032	->cb ($arg{interval} ? $cb : sub {
728	$_[0]->stop; # need to cancel manually	1033	$_[0]->stop; # need to cancel manually
729	$cb->();	1034	$cb->();
730	})	1035	})
731	}	1036	}
732		1037
733	sub io {	1038	sub io {
734	my ($class, %arg) = @_;	1039	my ($class, %arg) = @_;
735		1040
736	my $cb = $arg{cb};	1041	my $cb = $arg{cb};
		1042	my $fd = fileno $arg{fh};
		1043	defined $fd or $fd = $arg{fh};
737		1044
738	bless [$arg{fh}, urxvt::iow	1045	bless [$arg{fh}, urxvt::iow
739	->new	1046	->new
740	->fd (fileno $arg{fh})	1047	->fd ($fd)
741	->events (($arg{poll} =~ /r/ ? 1 : 0)	1048	->events (($arg{poll} =~ /r/ ? 1 : 0)
742	| ($arg{poll} =~ /w/ ? 2 : 0))	1049	| ($arg{poll} =~ /w/ ? 2 : 0))
743	->start	1050	->start
744	->cb (sub {	1051	->cb ($cb)
745	$cb->(($_[1] & 1 ? 'r' : '')
746	. ($_[1] & 2 ? 'w' : ''));
747	})],
748	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	})
749	}	1078	}
750		1079
751	sub DESTROY {	1080	sub DESTROY {
752	$_[0][1]->stop;	1081	$_[0][1]->stop;
753	}	1082	}
754		1083
755	sub condvar {	1084	# only needed for AnyEvent < 6 compatibility
756	bless \my $flag, urxvt::anyevent::condvar::	1085	sub one_event {
757	}
758
759	sub urxvt::anyevent::condvar::broadcast {
760	${$_[0]}++;
761	}
762
763	sub urxvt::anyevent::condvar::wait {
764	unless (${$_[0]}) {
765	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";
766	}
767	}	1087	}
768		1088
769	package urxvt::term;	1089	package urxvt::term;
770		1090
771	=head2 The C<urxvt::term> Class	1091	=head2 The C<urxvt::term> Class
…		…
777	# find on_xxx subs in the package and register them	1097	# find on_xxx subs in the package and register them
778	# as hooks	1098	# as hooks
779	sub register_package {	1099	sub register_package {
780	my ($self, $pkg, $argv) = @_;	1100	my ($self, $pkg, $argv) = @_;
781		1101
		1102	no strict 'refs';
		1103
		1104	urxvt::verbose 6, "register package $pkg to $self";
		1105
		1106	@{"$pkg\::ISA"} = urxvt::term::extension::;
		1107
782	my $proxy = bless {	1108	my $proxy = bless {
783	_pkg => $pkg,	1109	_pkg => $pkg,
		1110	_name => ${"$pkg\::_NAME"}, # hackish
784	argv => $argv,	1111	argv => $argv,
785	}, $pkg;	1112	}, $pkg;
786	Scalar::Util::weaken ($proxy->{term} = $self);	1113	Scalar::Util::weaken ($proxy->{term} = $self);
787		1114
788	$self->{_pkg}{$pkg} = $proxy;	1115	$self->{_pkg}{$pkg} = $proxy;
789		1116
…		…
792	$proxy->enable ($name => $ref);	1119	$proxy->enable ($name => $ref);
793	}	1120	}
794	}	1121	}
795	}	1122	}
796		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
		1191	$meta{resource} = \my %resource;
		1192
		1193	while (my ($k, $v) = each %{ $meta{ext} }) {
		1194	#TODO: should check for extensions overriding each other
		1195	%resource = (%resource, %{ $v->{resource} });
		1196	}
		1197	}
		1198
797	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]	1199	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
798		1200
799	Creates a new terminal, very similar as if you had started it with system	1201	Creates a new terminal, very similar as if you had started it with system
800	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like	1202	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
801	hash which defines the environment of the new terminal.	1203	hash which defines the environment of the new terminal.
802		1204
803	Croaks (and probably outputs an error message) if the new instance	1205	Croaks (and probably outputs an error message) if the new instance
804	couldn't be created. Returns C<undef> if the new instance didn't	1206	couldn't be created. Returns C<undef> if the new instance didn't
805	initialise perl, and the terminal object otherwise. The C<init> and	1207	initialise perl, and the terminal object otherwise. The C<init> and
806	C<start> hooks will be called during this call.	1208	C<start> hooks will be called before this call returns, and are free to
		1209	refer to global data (which is race free).
807		1210
808	=cut	1211	=cut
809		1212
810	sub new {	1213	sub new {
811	my ($class, $env, @args) = @_;	1214	my ($class, $env, @args) = @_;
812		1215
		1216	$env or Carp::croak "environment hash missing in call to urxvt::term->new";
		1217	@args or Carp::croak "name argument missing in call to urxvt::term->new";
		1218
813	_new ([ map "$_=$env->{$_}", keys %$env ], @args);	1219	_new ([ map "$_=$env->{$_}", keys %$env ], \@args);
814	}	1220	}
815		1221
816	=item $term->destroy	1222	=item $term->destroy
817		1223
818	Destroy the terminal object (close the window, free resources	1224	Destroy the terminal object (close the window, free resources
819	etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event	1225	etc.). Please note that urxvt will not exit as long as any event
820	watchers (timers, io watchers) are still active.	1226	watchers (timers, io watchers) are still active.
		1227
		1228	=item $term->exec_async ($cmd[, @args])
		1229
		1230	Works like the combination of the C<fork>/C<exec> builtins, which executes
		1231	("starts") programs in the background. This function takes care of setting
		1232	the user environment before exec'ing the command (e.g. C<PATH>) and should
		1233	be preferred over explicit calls to C<exec> or C<system>.
		1234
		1235	Returns the pid of the subprocess or C<undef> on error.
		1236
		1237	=cut
		1238
		1239	sub exec_async {
		1240	my $self = shift;
		1241
		1242	my $pid = fork;
		1243
		1244	return $pid
		1245	if !defined $pid or $pid;
		1246
		1247	%ENV = %{ $self->env };
		1248
		1249	exec @_;
		1250	urxvt::_exit 255;
		1251	}
821		1252
822	=item $isset = $term->option ($optval[, $set])	1253	=item $isset = $term->option ($optval[, $set])
823		1254
824	Returns true if the option specified by C<$optval> is enabled, and	1255	Returns true if the option specified by C<$optval> is enabled, and
825	optionally change it. All option values are stored by name in the hash	1256	optionally change it. All option values are stored by name in the hash
826	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.	1257	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
827		1258
828	Here is a a likely non-exhaustive list of option names, please see the	1259	Here is a likely non-exhaustive list of option names, please see the
829	source file F</src/optinc.h> to see the actual list:	1260	source file F</src/optinc.h> to see the actual list:
830		1261
831	borderLess console cursorBlink cursorUnderline hold iconic insecure	1262	borderLess buffered console cursorBlink cursorUnderline hold iconic
832	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage	1263	insecure intensityStyles iso14755 iso14755_52 jumpScroll loginShell
		1264	mapAlert meta8 mouseWheelScrollPage override_redirect pastableTabs
833	pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating	1265	pointerBlank reverseVideo scrollBar scrollBar_floating scrollBar_right
834	scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer	1266	scrollTtyKeypress scrollTtyOutput scrollWithBuffer secondaryScreen
835	secondaryScreen secondaryScroll skipBuiltinGlyphs transparent	1267	secondaryScroll skipBuiltinGlyphs skipScroll transparent tripleclickwords
836	tripleclickwords utmpInhibit visualBell	1268	urgentOnBell utmpInhibit visualBell
837		1269
838	=item $value = $term->resource ($name[, $newval])	1270	=item $value = $term->resource ($name[, $newval])
839		1271
840	Returns the current resource value associated with a given name and	1272	Returns the current resource value associated with a given name and
841	optionally sets a new value. Setting values is most useful in the C<init>	1273	optionally sets a new value. Setting values is most useful in the C<init>
…		…
850	likely change).	1282	likely change).
851		1283
852	Please note that resource strings will currently only be freed when the	1284	Please note that resource strings will currently only be freed when the
853	terminal is destroyed, so changing options frequently will eat memory.	1285	terminal is destroyed, so changing options frequently will eat memory.
854		1286
855	Here is a a likely non-exhaustive list of resource names, not all of which	1287	Here is a likely non-exhaustive list of resource names, not all of which
856	are supported in every build, please see the source file F</src/rsinc.h>	1288	are supported in every build, please see the source file F</src/rsinc.h>
857	to see the actual list:	1289	to see the actual list:
858		1290
859	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont	1291	answerbackstring backgroundPixmap backspace_key blurradius
860	borderLess color cursorBlink cursorUnderline cutchars delete_key	1292	boldFont boldItalicFont borderLess buffered chdir color cursorBlink
861	display_name embed ext_bwidth fade font geometry hold iconName	1293	cursorUnderline cutchars delete_key depth display_name embed ext_bwidth
862	imFont imLocale inputMethod insecure int_bwidth intensityStyles	1294	fade font geometry hold iconName iconfile imFont imLocale inputMethod
		1295	insecure int_bwidth intensityStyles iso14755 iso14755_52 italicFont
863	italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier	1296	jumpScroll letterSpace lineSpace loginShell mapAlert meta8 modifier
864	mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2	1297	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
865	perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd	1298	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
866	reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating	1299	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
867	scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput	1300	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
868	scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle	1301	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
869	shade term_name title transparent transparent_all tripleclickwords	1302	secondaryScreen secondaryScroll shade skipBuiltinGlyphs skipScroll
		1303	term_name title transient_for transparent tripleclickwords urgentOnBell
870	utmpInhibit visualBell	1304	utmpInhibit visualBell
871		1305
872	=cut	1306	=cut
873		1307
874	sub resource($$;$) {	1308	sub resource($$;$) {
875	my ($self, $name) = (shift, shift);	1309	my ($self, $name) = (shift, shift);
876	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);	1310	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
877	&urxvt::term::_resource	1311	goto &urxvt::term::_resource
878	}	1312	}
879		1313
880	=item $value = $term->x_resource ($pattern)	1314	=item $value = $term->x_resource ($pattern)
881		1315
882	Returns the X-Resource for the given pattern, excluding the program or	1316	Returns the X-Resource for the given pattern, excluding the program or
883	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the	1317	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
884	same value as used by this instance of rxvt-unicode. Returns C<undef> if no	1318	same value as used by this instance of rxvt-unicode. Returns C<undef> if no
885	resource with that pattern exists.	1319	resource with that pattern exists.
886		1320
		1321	Extensions that define extra resources also need to call this method
		1322	to access their values.
		1323
		1324	If the method is called on an extension object (basically, from an
		1325	extension), then the special prefix C<%.> will be replaced by the name of
		1326	the extension and a dot, and the lone string C<%> will be replaced by the
		1327	extension name itself. This makes it possible to code extensions so you
		1328	can rename them and get a new set of resources without having to change
		1329	the actual code.
		1330
887	This method should only be called during the C<on_start> hook, as there is	1331	This method should only be called during the C<on_start> hook, as there is
888	only one resource database per display, and later invocations might return	1332	only one resource database per display, and later invocations might return
889	the wrong resources.	1333	the wrong resources.
890		1334
891	=item $success = $term->parse_keysym ($keysym_spec, $command_string)	1335	=item $value = $term->x_resource_boolean ($pattern)
892		1336
		1337	Like C<x_resource>, above, but interprets the string value as a boolean
		1338	and returns C<1> for true values, C<0> for false values and C<undef> if
		1339	the resource or option isn't specified.
		1340
		1341	You should always use this method to parse boolean resources.
		1342
		1343	=cut
		1344
		1345	sub x_resource_boolean {
		1346	my $res = &x_resource;
		1347
		1348	$res =~ /^\s*(?:true|yes|on|1)\s*$/i ? 1 : defined $res && 0
		1349	}
		1350
		1351	=item $success = $term->bind_action ($key, $action)
		1352
893	Adds a keymap translation exactly as specified via a resource. See the	1353	Adds a key binding exactly as specified via a C<keysym> resource. See the
894	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.	1354	C<keysym> resource in the urxvt(1) manpage.
		1355
		1356	To add default bindings for actions, an extension should call C<<
		1357	->bind_action >> in its C<init> hook for every such binding. Doing it
		1358	in the C<init> hook allows users to override or remove the binding
		1359	again.
		1360
		1361	Example: the C<searchable-scrollback> by default binds itself
		1362	on C<Meta-s>, using C<< $self->bind_action >>, which calls C<<
		1363	$term->bind_action >>.
		1364
		1365	sub init {
		1366	my ($self) = @_;
		1367
		1368	$self->bind_action ("M-s" => "%:start");
		1369	}
895		1370
896	=item $rend = $term->rstyle ([$new_rstyle])	1371	=item $rend = $term->rstyle ([$new_rstyle])
897		1372
898	Return and optionally change the current rendition. Text that is output by	1373	Return and optionally change the current rendition. Text that is output by
899	the terminal application will use this style.	1374	the terminal application will use this style.
…		…
907		1382
908	=item ($row, $col) = $term->selection_beg ([$row, $col])	1383	=item ($row, $col) = $term->selection_beg ([$row, $col])
909		1384
910	=item ($row, $col) = $term->selection_end ([$row, $col])	1385	=item ($row, $col) = $term->selection_end ([$row, $col])
911		1386
912	Return the current values of the selection mark, begin or end positions,	1387	Return the current values of the selection mark, begin or end positions.
913	and optionally set them to new values.
914		1388
		1389	When arguments are given, then the selection coordinates are set to
		1390	C<$row> and C<$col>, and the selection screen is set to the current
		1391	screen.
		1392
		1393	=item $screen = $term->selection_screen ([$screen])
		1394
		1395	Returns the current selection screen, and then optionally sets it.
		1396
		1397	=item $term->selection_make ($eventtime[, $rectangular])
		1398
		1399	Tries to make a selection as set by C<selection_beg> and
		1400	C<selection_end>. If C<$rectangular> is true (default: false), a
		1401	rectangular selection will be made. This is the preferred function to make
		1402	a selection.
		1403
915	=item $success = $term->selection_grab ($eventtime)	1404	=item $success = $term->selection_grab ($eventtime[, $clipboard])
916		1405
917	Try to request the primary selection from the server (for example, as set	1406	Try to acquire ownership of the primary (clipboard if C<$clipboard> is
918	by the next method).	1407	true) selection from the server. The corresponding text can be set
		1408	with the next method. No visual feedback will be given. This function
		1409	is mostly useful from within C<on_sel_grab> hooks.
919		1410
920	=item $oldtext = $term->selection ([$newtext])	1411	=item $oldtext = $term->selection ([$newtext, $clipboard])
921		1412
922	Return the current selection text and optionally replace it by C<$newtext>.	1413	Return the current selection (clipboard if C<$clipboard> is true) text
		1414	and optionally replace it by C<$newtext>.
		1415
		1416	=item $term->selection_clear ([$clipboard])
		1417
		1418	Revoke ownership of the primary (clipboard if C<$clipboard> is true) selection.
923		1419
924	=item $term->overlay_simple ($x, $y, $text)	1420	=item $term->overlay_simple ($x, $y, $text)
925		1421
926	Create a simple multi-line overlay box. See the next method for details.	1422	Create a simple multi-line overlay box. See the next method for details.
927		1423
…		…
957		1453
958	The methods currently supported on C<urxvt::overlay> objects are:	1454	The methods currently supported on C<urxvt::overlay> objects are:
959		1455
960	=over 4	1456	=over 4
961		1457
962	=item $overlay->set ($x, $y, $text, $rend)	1458	=item $overlay->set ($x, $y, $text[, $rend])
963		1459
964	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts	1460	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts
965	text in rxvt-unicode's special encoding and an array of rendition values	1461	text in rxvt-unicode's special encoding and an array of rendition values
966	at a specific position inside the overlay.	1462	at a specific position inside the overlay.
		1463
		1464	If C<$rend> is missing, then the rendition will not be changed.
967		1465
968	=item $overlay->hide	1466	=item $overlay->hide
969		1467
970	If visible, hide the overlay, but do not destroy it.	1468	If visible, hide the overlay, but do not destroy it.
971		1469
…		…
1016	Convert the given locale-encoded octets into a perl string.	1514	Convert the given locale-encoded octets into a perl string.
1017		1515
1018	=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])	1516	=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])
1019		1517
1020	XORs the rendition values in the given span with the provided value	1518	XORs the rendition values in the given span with the provided value
1021	(default: C<RS_RVid>). Useful in refresh hooks to provide effects similar	1519	(default: C<RS_RVid>), which I<MUST NOT> contain font styles. Useful in
1022	to the selection.	1520	refresh hooks to provide effects similar to the selection.
1023		1521
1024	=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])	1522	=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])
1025		1523
1026	Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing	1524	Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing
1027	whitespace will additionally be xored with the C<$rstyle2>, which defaults	1525	whitespace will additionally be xored with the C<$rstyle2>, which defaults
1028	to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines	1526	to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines
1029	it instead.	1527	it instead. Both styles I<MUST NOT> contain font styles.
1030		1528
1031	=item $term->scr_bell	1529	=item $term->scr_bell
1032		1530
1033	Ring the bell!	1531	Ring the bell!
1034		1532
1035	=item $term->scr_add_lines ($string)	1533	=item $term->scr_add_lines ($string)
1036		1534
1037	Write the given text string to the screen, as if output by the application	1535	Write the given text string to the screen, as if output by the application
1038	running inside the terminal. It may not contain command sequences (escape	1536	running inside the terminal. It may not contain command sequences (escape
1039	codes), but is free to use line feeds, carriage returns and tabs. The	1537	codes - see C<cmd_parse> for that), but is free to use line feeds,
1040	string is a normal text string, not in locale-dependent encoding.	1538	carriage returns and tabs. The string is a normal text string, not in
		1539	locale-dependent encoding.
1041		1540
1042	Normally its not a good idea to use this function, as programs might be	1541	Normally its not a good idea to use this function, as programs might be
1043	confused by changes in cursor position or scrolling. Its useful inside a	1542	confused by changes in cursor position or scrolling. Its useful inside a
1044	C<on_add_lines> hook, though.	1543	C<on_add_lines> hook, though.
1045		1544
		1545	=item $term->scr_change_screen ($screen)
		1546
		1547	Switch to given screen - 0 primary, 1 secondary.
		1548
1046	=item $term->cmd_parse ($octets)	1549	=item $term->cmd_parse ($octets)
1047		1550
1048	Similar to C<scr_add_lines>, but the argument must be in the	1551	Similar to C<scr_add_lines>, but the argument must be in the
1049	locale-specific encoding of the terminal and can contain command sequences	1552	locale-specific encoding of the terminal and can contain command sequences
1050	(escape codes) that will be interpreted.	1553	(escape codes) that will be interpreted.
1051		1554
1052	=item $term->tt_write ($octets)	1555	=item $term->tt_write ($octets)
1053		1556
1054	Write the octets given in C<$data> to the tty (i.e. as program input). To	1557	Write the octets given in C<$octets> to the tty (i.e. as user input
		1558	to the program, see C<cmd_parse> for the opposite direction). To pass
1055	pass characters instead of octets, you should convert your strings first	1559	characters instead of octets, you should convert your strings first to the
1056	to the locale-specific encoding using C<< $term->locale_encode >>.	1560	locale-specific encoding using C<< $term->locale_encode >>.
		1561
		1562	=item $term->tt_write_user_input ($octets)
		1563
		1564	Like C<tt_write>, but should be used when writing strings in response to
		1565	the user pressing a key, to invoke the additional actions requested by
		1566	the user for that case (C<tt_write> doesn't do that).
		1567
		1568	The typical use case would be inside C<on_action> hooks.
		1569
		1570	=item $term->tt_paste ($octets)
		1571
		1572	Write the octets given in C<$octets> to the tty as a paste, converting NL to
		1573	CR and bracketing the data with control sequences if bracketed paste mode
		1574	is set.
1057		1575
1058	=item $old_events = $term->pty_ev_events ([$new_events])	1576	=item $old_events = $term->pty_ev_events ([$new_events])
1059		1577
1060	Replaces the event mask of the pty watcher by the given event mask. Can	1578	Replaces the event mask of the pty watcher by the given event mask. Can
1061	be used to suppress input and output handling to the pty/tty. See the	1579	be used to suppress input and output handling to the pty/tty. See the
1062	description of C<< urxvt::timer->events >>. Make sure to always restore	1580	description of C<< urxvt::timer->events >>. Make sure to always restore
1063	the previous value.	1581	the previous value.
1064		1582
		1583	=item $fd = $term->pty_fd
		1584
		1585	Returns the master file descriptor for the pty in use, or C<-1> if no pty
		1586	is used.
		1587
1065	=item $windowid = $term->parent	1588	=item $windowid = $term->parent
1066		1589
1067	Return the window id of the toplevel window.	1590	Return the window id of the toplevel window.
1068		1591
1069	=item $windowid = $term->vt	1592	=item $windowid = $term->vt
1070		1593
1071	Return the window id of the terminal window.	1594	Return the window id of the terminal window.
1072		1595
		1596	=item $term->vt_emask_add ($x_event_mask)
		1597
		1598	Adds the specified events to the vt event mask. Useful e.g. when you want
		1599	to receive pointer events all the times:
		1600
		1601	$term->vt_emask_add (urxvt::PointerMotionMask);
		1602
		1603	=item $term->set_urgency ($set)
		1604
		1605	Enable/disable the urgency hint on the toplevel window.
		1606
		1607	=item $term->focus_in
		1608
		1609	=item $term->focus_out
		1610
		1611	=item $term->key_press ($state, $keycode[, $time])
		1612
		1613	=item $term->key_release ($state, $keycode[, $time])
		1614
		1615	Deliver various fake events to to terminal.
		1616
1073	=item $window_width = $term->width	1617	=item $window_width = $term->width
1074		1618
1075	=item $window_height = $term->height	1619	=item $window_height = $term->height
1076		1620
1077	=item $font_width = $term->fwidth	1621	=item $font_width = $term->fwidth
…		…
1090		1634
1091	=item $max_scrollback = $term->saveLines	1635	=item $max_scrollback = $term->saveLines
1092		1636
1093	=item $nrow_plus_saveLines = $term->total_rows	1637	=item $nrow_plus_saveLines = $term->total_rows
1094		1638
1095	=item $lines_in_scrollback = $term->nsaved	1639	=item $topmost_scrollback_row = $term->top_row
1096		1640
1097	Return various integers describing terminal characteristics.	1641	Return various integers describing terminal characteristics.
1098		1642
1099	=item $x_display = $term->display_id	1643	=item $x_display = $term->display_id
1100		1644
…		…
1107	=item $env = $term->env	1651	=item $env = $term->env
1108		1652
1109	Returns a copy of the environment in effect for the terminal as a hashref	1653	Returns a copy of the environment in effect for the terminal as a hashref
1110	similar to C<\%ENV>.	1654	similar to C<\%ENV>.
1111		1655
		1656	=item @envv = $term->envv
		1657
		1658	Returns the environment as array of strings of the form C<VAR=VALUE>.
		1659
		1660	=item @argv = $term->argv
		1661
		1662	Return the argument vector as this terminal, similar to @ARGV, but
		1663	includes the program name as first element.
		1664
1112	=cut	1665	=cut
1113		1666
1114	sub env {	1667	sub env {
1115	if (my $env = $_[0]->_env) {
1116	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), @$env }	1668	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), $_[0]->envv }
1117	} else {
1118	+{ %ENV }
1119	}
1120	}	1669	}
1121		1670
1122	=item $modifiermask = $term->ModLevel3Mask	1671	=item $modifiermask = $term->ModLevel3Mask
1123		1672
1124	=item $modifiermask = $term->ModMetaMask	1673	=item $modifiermask = $term->ModMetaMask
…		…
1126	=item $modifiermask = $term->ModNumLockMask	1675	=item $modifiermask = $term->ModNumLockMask
1127		1676
1128	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often	1677	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
1129	AltGr), the meta key (often Alt) and the num lock key, if applicable.	1678	AltGr), the meta key (often Alt) and the num lock key, if applicable.
1130		1679
		1680	=item $screen = $term->current_screen
		1681
		1682	Returns the currently displayed screen (0 primary, 1 secondary).
		1683
		1684	=item $cursor_is_hidden = $term->hidden_cursor
		1685
		1686	Returns whether the cursor is currently hidden or not.
		1687
1131	=item $view_start = $term->view_start ([$newvalue])	1688	=item $view_start = $term->view_start ([$newvalue])
1132		1689
1133	Returns the negative row number of the topmost line. Minimum value is	1690	Returns the row number of the topmost displayed line. Maximum value is
1134	C<0>, which displays the normal terminal contents. Larger values scroll	1691	C<0>, which displays the normal terminal contents. Lower values scroll
1135	this many lines into the scrollback buffer.	1692	this many lines into the scrollback buffer.
1136		1693
1137	=item $term->want_refresh	1694	=item $term->want_refresh
1138		1695
1139	Requests a screen refresh. At the next opportunity, rxvt-unicode will	1696	Requests a screen refresh. At the next opportunity, rxvt-unicode will
1140	compare the on-screen display with its stored representation. If they	1697	compare the on-screen display with its stored representation. If they
1141	differ, it redraws the differences.	1698	differ, it redraws the differences.
1142		1699
1143	Used after changing terminal contents to display them.	1700	Used after changing terminal contents to display them.
1144		1701
		1702	=item $term->refresh_check
		1703
		1704	Checks if a refresh has been requested and, if so, schedules one.
		1705
1145	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])	1706	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
1146		1707
1147	Returns the text of the entire row with number C<$row_number>. Row C<0>	1708	Returns the text of the entire row with number C<$row_number>. Row C<< $term->top_row >>
1148	is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost	1709	is the topmost terminal line, row C<< $term->nrow-1 >> is the bottommost
1149	terminal line. The scrollback buffer starts at line C<-1> and extends to
1150	line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line	1710	terminal line. Nothing will be returned if a nonexistent line
1151	is requested.	1711	is requested.
1152		1712
1153	If C<$new_text> is specified, it will replace characters in the current	1713	If C<$new_text> is specified, it will replace characters in the current
1154	line, starting at column C<$start_col> (default C<0>), which is useful	1714	line, starting at column C<$start_col> (default C<0>), which is useful
1155	to replace only parts of a line. The font index in the rendition will	1715	to replace only parts of a line. The font index in the rendition will
1156	automatically be updated.	1716	automatically be updated.
1157		1717
1158	C<$text> is in a special encoding: tabs and wide characters that use more	1718	C<$text> is in a special encoding: tabs and wide characters that use more
1159	than one cell when displayed are padded with urxvt::NOCHAR characters	1719	than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
1160	(C<chr 65535>). Characters with combining characters and other characters	1720	characters. Characters with combining characters and other characters that
1161	that do not fit into the normal tetx encoding will be replaced with	1721	do not fit into the normal text encoding will be replaced with characters
1162	characters in the private use area.	1722	in the private use area.
1163		1723
1164	You have to obey this encoding when changing text. The advantage is	1724	You have to obey this encoding when changing text. The advantage is
1165	that C<substr> and similar functions work on screen cells and not on	1725	that C<substr> and similar functions work on screen cells and not on
1166	characters.	1726	characters.
1167		1727
…		…
1218	Return the row number of the first/last row of the line, respectively.	1778	Return the row number of the first/last row of the line, respectively.
1219		1779
1220	=item $offset = $line->offset_of ($row, $col)	1780	=item $offset = $line->offset_of ($row, $col)
1221		1781
1222	Returns the character offset of the given row|col pair within the logical	1782	Returns the character offset of the given row|col pair within the logical
1223	line.	1783	line. Works for rows outside the line, too, and returns corresponding
		1784	offsets outside the string.
1224		1785
1225	=item ($row, $col) = $line->coord_of ($offset)	1786	=item ($row, $col) = $line->coord_of ($offset)
1226		1787
1227	Translates a string offset into terminal coordinates again.	1788	Translates a string offset into terminal coordinates again.
1228		1789
…		…
1250	}	1811	}
1251		1812
1252	sub urxvt::line::t {	1813	sub urxvt::line::t {
1253	my ($self) = @_;	1814	my ($self) = @_;
1254		1815
1255	if (@_ > 1)	1816	if (@_ > 1) {
1256	{
1257	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1817	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1258	for $self->{beg} .. $self->{end};	1818	for $self->{beg} .. $self->{end};
1259	}	1819	}
1260		1820
1261	defined wantarray &&	1821	defined wantarray &&
1262	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),	1822	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),
1263	0, $self->{len}	1823	0, $self->{len}
1264	}	1824	}
1265		1825
1266	sub urxvt::line::r {	1826	sub urxvt::line::r {
1267	my ($self) = @_;	1827	my ($self) = @_;
1268		1828
1269	if (@_ > 1)	1829	if (@_ > 1) {
1270	{
1271	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1830	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1272	for $self->{beg} .. $self->{end};	1831	for $self->{beg} .. $self->{end};
1273	}	1832	}
1274		1833
1275	if (defined wantarray) {	1834	if (defined wantarray) {
1276	my $rend = [	1835	my $rend = [
1277	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}	1836	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}
1278	];	1837	];
…		…
1310	where one character corresponds to one screen cell. See	1869	where one character corresponds to one screen cell. See
1311	C<< $term->ROW_t >> for details.	1870	C<< $term->ROW_t >> for details.
1312		1871
1313	=item $string = $term->special_decode $text	1872	=item $string = $term->special_decode $text
1314		1873
1315	Converts rxvt-unicodes text reprsentation into a perl string. See	1874	Converts rxvt-unicodes text representation into a perl string. See
1316	C<< $term->ROW_t >> for details.	1875	C<< $term->ROW_t >> for details.
1317		1876
1318	=item $success = $term->grab_button ($button, $modifiermask)	1877	=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
1319		1878
		1879	=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
		1880
1320	Registers a synchronous button grab. See the XGrabButton manpage.	1881	Register/unregister a synchronous button grab. See the XGrabButton
		1882	manpage.
1321		1883
1322	=item $success = $term->grab ($eventtime[, $sync])	1884	=item $success = $term->grab ($eventtime[, $sync])
1323		1885
1324	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or	1886	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1325	synchronous (C<$sync> is true). Also remembers the grab timestampe.	1887	synchronous (C<$sync> is true). Also remembers the grab timestamp.
1326		1888
1327	=item $term->allow_events_async	1889	=item $term->allow_events_async
1328		1890
1329	Calls XAllowEvents with AsyncBoth for the most recent grab.	1891	Calls XAllowEvents with AsyncBoth for the most recent grab.
1330		1892
…		…
1337	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most	1899	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
1338	recent grab.	1900	recent grab.
1339		1901
1340	=item $term->ungrab	1902	=item $term->ungrab
1341		1903
1342	Calls XUngrab for the most recent grab. Is called automatically on	1904	Calls XUngrabPointer and XUngrabKeyboard for the most recent grab. Is called automatically on
1343	evaluation errors, as it is better to lose the grab in the error case as	1905	evaluation errors, as it is better to lose the grab in the error case as
1344	the session.	1906	the session.
		1907
		1908	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
		1909
		1910	=item $atom_name = $term->XGetAtomName ($atom)
		1911
		1912	=item @atoms = $term->XListProperties ($window)
		1913
		1914	=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
		1915
		1916	=item $term->XChangeProperty ($window, $property, $type, $format, $octets)
		1917
		1918	=item $term->XDeleteProperty ($window, $property)
		1919
		1920	=item $window = $term->DefaultRootWindow
		1921
		1922	=item $term->XReparentWindow ($window, $parent, [$x, $y])
		1923
		1924	=item $term->XMapWindow ($window)
		1925
		1926	=item $term->XUnmapWindow ($window)
		1927
		1928	=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
		1929
		1930	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
		1931
		1932	=item $term->XChangeInput ($window, $add_events[, $del_events])
		1933
		1934	=item $keysym = $term->XStringToKeysym ($string)
		1935
		1936	=item $string = $term->XKeysymToString ($keysym)
		1937
		1938	Various X or X-related functions. The C<$term> object only serves as
		1939	the source of the display, otherwise those functions map more-or-less
		1940	directly onto the X functions of the same name.
1345		1941
1346	=back	1942	=back
1347		1943
1348	=cut	1944	=cut
1349		1945
…		…
1413	my ($self, $text, $cb) = @_;	2009	my ($self, $text, $cb) = @_;
1414		2010
1415	$self->add_item ({ type => "button", text => $text, activate => $cb});	2011	$self->add_item ({ type => "button", text => $text, activate => $cb});
1416	}	2012	}
1417		2013
1418	=item $popup->add_toggle ($text, $cb, $initial_value)	2014	=item $popup->add_toggle ($text, $initial_value, $cb)
1419		2015
1420	Adds a toggle/checkbox item to the popup. Teh callback gets called	2016	Adds a toggle/checkbox item to the popup. The callback gets called
1421	whenever it gets toggled, with a boolean indicating its value as its first	2017	whenever it gets toggled, with a boolean indicating its new value as its
1422	argument.	2018	first argument.
1423		2019
1424	=cut	2020	=cut
1425		2021
1426	sub add_toggle {	2022	sub add_toggle {
1427	my ($self, $text, $cb, $value) = @_;	2023	my ($self, $text, $value, $cb) = @_;
1428		2024
1429	my $item; $item = {	2025	my $item; $item = {
1430	type => "button",	2026	type => "button",
1431	text => " $text",	2027	text => " $text",
1432	value => $value,	2028	value => $value,
…		…
1451	my $env = $self->{term}->env;	2047	my $env = $self->{term}->env;
1452	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.	2048	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
1453	delete $env->{LC_ALL};	2049	delete $env->{LC_ALL};
1454	$env->{LC_CTYPE} = $self->{term}->locale;	2050	$env->{LC_CTYPE} = $self->{term}->locale;
1455		2051
1456	urxvt::term->new ($env, $self->{term}->resource ("name"),	2052	my $term = urxvt::term->new (
1457	"--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0,	2053	$env, "popup",
		2054	"--perl-lib" => "", "--perl-ext-common" => "",
		2055	"-pty-fd" => -1, "-sl" => 0,
		2056	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1458	"--transient-for" => $self->{term}->parent,	2057	"--transient-for" => $self->{term}->parent,
1459	"-display" => $self->{term}->display_id,	2058	"-display" => $self->{term}->display_id,
1460	"-pe" => "urxvt-popup")	2059	"-pe" => "urxvt-popup",
1461	or die "unable to create popup window\n";	2060	) or die "unable to create popup window\n";
		2061
		2062	unless (delete $term->{urxvt_popup_init_done}) {
		2063	$term->ungrab;
		2064	$term->destroy;
		2065	die "unable to initialise popup window\n";
		2066	}
1462	}	2067	}
1463		2068
1464	sub DESTROY {	2069	sub DESTROY {
1465	my ($self) = @_;	2070	my ($self) = @_;
1466		2071
1467	delete $self->{term}{_destroy}{$self};	2072	delete $self->{term}{_destroy}{$self};
1468	$self->{term}->ungrab;	2073	$self->{term}->ungrab;
1469	}	2074	}
1470		2075
1471	=back	2076	=back
		2077
		2078	=cut
		2079
		2080	package urxvt::watcher;
1472		2081
1473	=head2 The C<urxvt::timer> Class	2082	=head2 The C<urxvt::timer> Class
1474		2083
1475	This class implements timer watchers/events. Time is represented as a	2084	This class implements timer watchers/events. Time is represented as a
1476	fractional number of seconds since the epoch. Example:	2085	fractional number of seconds since the epoch. Example:
…		…
1480	->new	2089	->new
1481	->interval (1)	2090	->interval (1)
1482	->cb (sub {	2091	->cb (sub {
1483	$term->{overlay}->set (0, 0,	2092	$term->{overlay}->set (0, 0,
1484	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);	2093	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
1485	});	2094	});
1486		2095
1487	=over 4	2096	=over 4
1488		2097
1489	=item $timer = new urxvt::timer	2098	=item $timer = new urxvt::timer
1490		2099
…		…
1493		2102
1494	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })	2103	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })
1495		2104
1496	Set the callback to be called when the timer triggers.	2105	Set the callback to be called when the timer triggers.
1497		2106
1498	=item $tstamp = $timer->at
1499
1500	Return the time this watcher will fire next.
1501
1502	=item $timer = $timer->set ($tstamp)	2107	=item $timer = $timer->set ($tstamp[, $interval])
1503		2108
1504	Set the time the event is generated to $tstamp.	2109	Set the time the event is generated to $tstamp (and optionally specifies a
		2110	new $interval).
1505		2111
1506	=item $timer = $timer->interval ($interval)	2112	=item $timer = $timer->interval ($interval)
1507		2113
1508	Normally (and when C<$interval> is C<0>), the timer will automatically	2114	By default (and when C<$interval> is C<0>), the timer will automatically
1509	stop after it has fired once. If C<$interval> is non-zero, then the timer	2115	stop after it has fired once. If C<$interval> is non-zero, then the timer
1510	is automatically rescheduled at the given intervals.	2116	is automatically rescheduled at the given intervals.
1511		2117
1512	=item $timer = $timer->start	2118	=item $timer = $timer->start
1513		2119
1514	Start the timer.	2120	Start the timer.
1515		2121
1516	=item $timer = $timer->start ($tstamp)	2122	=item $timer = $timer->start ($tstamp[, $interval])
1517		2123
1518	Set the event trigger time to C<$tstamp> and start the timer.	2124	Set the event trigger time to C<$tstamp> and start the timer. Optionally
		2125	also replaces the interval.
		2126
		2127	=item $timer = $timer->after ($delay[, $interval])
		2128
		2129	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1519		2130
1520	=item $timer = $timer->stop	2131	=item $timer = $timer->stop
1521		2132
1522	Stop the timer.	2133	Stop the timer.
1523		2134
…		…
1529		2140
1530	$term->{socket} = ...	2141	$term->{socket} = ...
1531	$term->{iow} = urxvt::iow	2142	$term->{iow} = urxvt::iow
1532	->new	2143	->new
1533	->fd (fileno $term->{socket})	2144	->fd (fileno $term->{socket})
1534	->events (urxvt::EVENT_READ)	2145	->events (urxvt::EV_READ)
1535	->start	2146	->start
1536	->cb (sub {	2147	->cb (sub {
1537	my ($iow, $revents) = @_;	2148	my ($iow, $revents) = @_;
1538	# $revents must be 1 here, no need to check	2149	# $revents must be 1 here, no need to check
1539	sysread $term->{socket}, my $buf, 8192	2150	sysread $term->{socket}, my $buf, 8192
…		…
1552	Set the callback to be called when io events are triggered. C<$reventmask>	2163	Set the callback to be called when io events are triggered. C<$reventmask>
1553	is a bitset as described in the C<events> method.	2164	is a bitset as described in the C<events> method.
1554		2165
1555	=item $iow = $iow->fd ($fd)	2166	=item $iow = $iow->fd ($fd)
1556		2167
1557	Set the filedescriptor (not handle) to watch.	2168	Set the file descriptor (not handle) to watch.
1558		2169
1559	=item $iow = $iow->events ($eventmask)	2170	=item $iow = $iow->events ($eventmask)
1560		2171
1561	Set the event mask to watch. The only allowed values are	2172	Set the event mask to watch. The only allowed values are
1562	C<urxvt::EVENT_READ> and C<urxvt::EVENT_WRITE>, which might be ORed	2173	C<urxvt::EV_READ> and C<urxvt::EV_WRITE>, which might be ORed
1563	together, or C<urxvt::EVENT_NONE>.	2174	together, or C<urxvt::EV_NONE>.
1564		2175
1565	=item $iow = $iow->start	2176	=item $iow = $iow->start
1566		2177
1567	Start watching for requested events on the given handle.	2178	Start watching for requested events on the given handle.
1568		2179
1569	=item $iow = $iow->stop	2180	=item $iow = $iow->stop
1570		2181
1571	Stop watching for events on the given filehandle.	2182	Stop watching for events on the given file handle.
		2183
		2184	=back
		2185
		2186	=head2 The C<urxvt::iw> Class
		2187
		2188	This class implements idle watchers, that get called automatically when
		2189	the process is idle. They should return as fast as possible, after doing
		2190	some useful work.
		2191
		2192	=over 4
		2193
		2194	=item $iw = new urxvt::iw
		2195
		2196	Create a new idle watcher object in stopped state.
		2197
		2198	=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
		2199
		2200	Set the callback to be called when the watcher triggers.
		2201
		2202	=item $timer = $timer->start
		2203
		2204	Start the watcher.
		2205
		2206	=item $timer = $timer->stop
		2207
		2208	Stop the watcher.
		2209
		2210	=back
		2211
		2212	=head2 The C<urxvt::pw> Class
		2213
		2214	This class implements process watchers. They create an event whenever a
		2215	process exits, after which they stop automatically.
		2216
		2217	my $pid = fork;
		2218	...
		2219	$term->{pw} = urxvt::pw
		2220	->new
		2221	->start ($pid)
		2222	->cb (sub {
		2223	my ($pw, $exit_status) = @_;
		2224	...
		2225	});
		2226
		2227	=over 4
		2228
		2229	=item $pw = new urxvt::pw
		2230
		2231	Create a new process watcher in stopped state.
		2232
		2233	=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
		2234
		2235	Set the callback to be called when the timer triggers.
		2236
		2237	=item $pw = $timer->start ($pid)
		2238
		2239	Tells the watcher to start watching for process C<$pid>.
		2240
		2241	=item $pw = $pw->stop
		2242
		2243	Stop the watcher.
1572		2244
1573	=back	2245	=back
1574		2246
1575	=head1 ENVIRONMENT	2247	=head1 ENVIRONMENT
1576		2248
…		…
1583		2255
1584	=item == 0 - fatal messages	2256	=item == 0 - fatal messages
1585		2257
1586	=item >= 3 - script loading and management	2258	=item >= 3 - script loading and management
1587		2259
1588	=item >=10 - all events received	2260	=item >=10 - all called hooks
		2261
		2262	=item >=11 - hook return values
1589		2263
1590	=back	2264	=back
1591		2265
1592	=head1 AUTHOR	2266	=head1 AUTHOR
1593		2267
1594	Marc Lehmann <pcg@goof.com>	2268	Marc Lehmann <schmorp@schmorp.de>
1595	http://software.schmorp.de/pkg/rxvt-unicode	2269	http://software.schmorp.de/pkg/rxvt-unicode
1596		2270
1597	=cut	2271	=cut
1598		2272
1599	1	2273	1
		2274
		2275	# vim: sw=3:

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