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Revision 1.86 by root, Thu Jan 12 05:22:47 2006 UTC vs.
Revision 1.257 by root, Thu Jul 13 10:31:27 2017 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. This can happen multiple times, as long as the callback	206	processing. This can happen multiple times, as long as the callback
236	returns true, it will be called on every further click by the user and is	207	returns true, it will be called on every further click by the user and is
237	supposed to enlarge the selection more and more, if possible.	208	supposed to enlarge the selection more and more, if possible.
238		209
239	See the F<selection> example extension.	210	See the F<selection> example extension.
240		211
241	=item on_view_change $term, $offset	212	=item on_view_change $term, $offset
242		213
243	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
244	scrolls. Offset C<0> means display the normal terminal, positive values	215	scrolls. Offset C<0> means display the normal terminal, positive values
245	show this many lines of scrollback.	216	show this many lines of scrollback.
246		217
247	=item on_scroll_back $term, $lines, $saved	218	=item on_scroll_back $term, $lines, $saved
248		219
…		…
252		223
253	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,	224	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,
254	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total	225	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total
255	number of lines that will be in the scrollback buffer.	226	number of lines that will be in the scrollback buffer.
256		227
257	=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, $resp
258		239
259	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =	240	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
260	operating system command) is processed. Cursor position and other state	241	operating system command) is processed. Cursor position and other state
261	information is up-to-date when this happens. For interoperability, the	242	information is up-to-date when this happens. For interoperability, the
262	string should start with the extension name and a colon, to distinguish	243	string should start with the extension name (sans -osc) and a semicolon,
263	it from commands for other extensions, and this might be enforced in the	244	to distinguish it from commands for other extensions, and this might be
264	future.	245	enforced in the future.
		246
		247	For example, C<overlay-osc> uses this:
		248
		249	sub on_osc_seq_perl {
		250	my ($self, $osc, $resp) = @_;
		251
		252	return unless $osc =~ s/^overlay;//;
		253
		254	... process remaining $osc string
		255	}
265		256
266	Be careful not ever to trust (in a security sense) the data you receive,	257	Be careful not ever to trust (in a security sense) the data you receive,
267	as its source can not easily be controleld (e-mail content, messages from	258	as its source can not easily be controlled (e-mail content, messages from
268	other users on the same system etc.).	259	other users on the same system etc.).
		260
		261	For responses, C<$resp> contains the end-of-args separator used by the
		262	sender.
269		263
270	=item on_add_lines $term, $string	264	=item on_add_lines $term, $string
271		265
272	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
273	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
…		…
278	=item on_tt_write $term, $octets	272	=item on_tt_write $term, $octets
279		273
280	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
281	suppress or filter tty input.	275	suppress or filter tty input.
282		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
283	=item on_line_update $term, $row	284	=item on_line_update $term, $row
284		285
285	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
286	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
287	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,
…		…
294	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
295	you cannot just toggle rendition bits, but only set them.	296	you cannot just toggle rendition bits, but only set them.
296		297
297	=item on_refresh_begin $term	298	=item on_refresh_begin $term
298		299
299	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
300	or similar effects by modify terminal contents in refresh_begin, and	301	similar effects by modifying the terminal contents in refresh_begin, and
301	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
302	code is run after this hook, and takes precedence.	303	code is run after this hook, and takes precedence.
303		304
304	=item on_refresh_end $term	305	=item on_refresh_end $term
305		306
306	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>.
307		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
308	=item on_keyboard_command $term, $string	317	=item on_user_command $term, $string *DEPRECATED*
309		318
310	Called whenever the user presses a key combination that has a	319	Called whenever a user-configured event is being activated (e.g. via
311	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>
312	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.
313		341
314	=item on_focus_in $term	342	=item on_focus_in $term
315		343
316	Called whenever the window gets the keyboard focus, before rxvt-unicode	344	Called whenever the window gets the keyboard focus, before rxvt-unicode
317	does focus in processing.	345	does focus in processing.
318		346
319	=item on_focus_out $term	347	=item on_focus_out $term
320		348
321	Called wheneever the window loses keyboard focus, before rxvt-unicode does	349	Called whenever the window loses keyboard focus, before rxvt-unicode does
322	focus out processing.	350	focus out processing.
323		351
		352	=item on_configure_notify $term, $event
		353
		354	=item on_property_notify $term, $event
		355
324	=item on_key_press $term, $event, $keysym, $octets	356	=item on_key_press $term, $event, $keysym, $octets
325		357
326	=item on_key_release $term, $event, $keysym	358	=item on_key_release $term, $event, $keysym
327		359
328	=item on_button_press $term, $event	360	=item on_button_press $term, $event
…		…
333		365
334	=item on_map_notify $term, $event	366	=item on_map_notify $term, $event
335		367
336	=item on_unmap_notify $term, $event	368	=item on_unmap_notify $term, $event
337		369
338	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
339	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.
340		372
341	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
342	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
343	and column under the mouse cursor.	375	(real, not screen-based) row and column under the mouse cursor.
344		376
345	C<on_key_press> additionally receives the string rxvt-unicode would	377	C<on_key_press> additionally receives the string rxvt-unicode would
346	output, if any, in locale-specific encoding.	378	output, if any, in locale-specific encoding.
347		379
348	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.
349		392
350	=back	393	=back
351		394
352	=cut	395	=cut
353		396
354	package urxvt;	397	package urxvt;
355		398
356	use utf8;	399	use utf8;
357	use strict;	400	use strict 'vars';
358	use Carp ();	401	use Carp ();
359	use Scalar::Util ();	402	use Scalar::Util ();
360	use List::Util ();	403	use List::Util ();
361		404
362	our $VERSION = 1;	405	our $VERSION = 1;
363	our $TERM;	406	our $TERM;
		407	our @TERM_INIT; # should go, prevents async I/O etc.
		408	our @TERM_EXT; # should go, prevents async I/O etc.
364	our @HOOKNAME;	409	our @HOOKNAME;
365	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;	410	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
366	our %OPTION;	411	our %OPTION;
367		412
368	our $LIBDIR;	413	our $LIBDIR;
369	our $RESNAME;	414	our $RESNAME;
370	our $RESCLASS;	415	our $RESCLASS;
371	our $RXVTNAME;	416	our $RXVTNAME;
372		417
		418	our $NOCHAR = chr 0xffff;
		419
373	=head2 Variables in the C<urxvt> Package	420	=head2 Variables in the C<urxvt> Package
374		421
375	=over 4	422	=over 4
376		423
377	=item $urxvt::LIBDIR	424	=item $urxvt::LIBDIR
…		…
390	=item $urxvt::TERM	437	=item $urxvt::TERM
391		438
392	The current terminal. This variable stores the current C<urxvt::term>	439	The current terminal. This variable stores the current C<urxvt::term>
393	object, whenever a callback/hook is executing.	440	object, whenever a callback/hook is executing.
394		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
395	=back	458	=back
396		459
397	=head2 Functions in the C<urxvt> Package	460	=head2 Functions in the C<urxvt> Package
398		461
399	=over 4	462	=over 4
400		463
401	=item urxvt::fatal $errormessage	464	=item urxvt::fatal $errormessage
402		465
403	Fatally aborts execution with the given error message. Avoid at all	466	Fatally aborts execution with the given error message (which should
404	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
405	starts up.	468	is acceptable (and useful) is in the init hook, where it prevents the
		469	terminal from starting up.
406		470
407	=item urxvt::warn $string	471	=item urxvt::warn $string
408		472
409	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
410	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
411	that calls this function.	475	that calls this function.
412		476
413	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
414	correct place, e.g. on stderr of the connecting urxvtc client.	478	correct place, e.g. on stderr of the connecting urxvtc client.
415		479
416	Messages have a size limit of 1023 bytes currently.	480	Messages have a size limit of 1023 bytes currently.
417		481
418	=item $is_safe = urxvt::safe	482	=item @terms = urxvt::termlist
419		483
420	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
421	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
422	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).
423		488
424	=item $time = urxvt::NOW	489	=item $time = urxvt::NOW
425		490
426	Returns the "current time" (as per the event loop).	491	Returns the "current time" (as per the event loop).
427		492
…		…
429		494
430	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,	495	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
431	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,	496	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
432	Button4Mask, Button5Mask, AnyModifier	497	Button4Mask, Button5Mask, AnyModifier
433		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
		514
434	Various constants for use in X calls and event processing.	515	Various constants for use in X calls and event processing.
		516
		517	=item urxvt::PrivMode_132, PrivMode_132OK, PrivMode_rVideo, PrivMode_relOrigin,
		518	PrivMode_Screen, PrivMode_Autowrap, PrivMode_aplCUR, PrivMode_aplKP,
		519	PrivMode_HaveBackSpace, PrivMode_BackSpace, PrivMode_ShiftKeys,
		520	PrivMode_VisibleCursor, PrivMode_MouseX10, PrivMode_MouseX11,
		521	PrivMode_scrollBar, PrivMode_TtyOutputInh, PrivMode_Keypress,
		522	PrivMode_smoothScroll, PrivMode_vt52, PrivMode_LFNL, PrivMode_MouseBtnEvent,
		523	PrivMode_MouseAnyEvent, PrivMode_BracketPaste, PrivMode_ExtModeMouse,
		524	PrivMode_ExtMouseRight, PrivMode_BlinkingCursor, PrivMode_mouse_report,
		525	PrivMode_Default
		526
		527	Constants for checking DEC private modes.
435		528
436	=back	529	=back
437		530
438	=head2 RENDITION	531	=head2 RENDITION
439		532
…		…
454		547
455	=item $rend = urxvt::OVERLAY_RSTYLE	548	=item $rend = urxvt::OVERLAY_RSTYLE
456		549
457	Return the rendition mask used for overlays by default.	550	Return the rendition mask used for overlays by default.
458		551
459	=item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline	552	=item $rendbit = urxvt::RS_Bold, urxvt::RS_Italic, urxvt::RS_Blink,
		553	urxvt::RS_RVid, urxvt::RS_Uline
460		554
461	Return the bit that enabled bold, italic, blink, reverse-video and	555	Return the bit that enabled bold, italic, blink, reverse-video and
462	underline, respectively. To enable such a style, just logically OR it into	556	underline, respectively. To enable such a style, just logically OR it into
463	the bitset.	557	the bitset.
464		558
…		…
470		564
471	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour	565	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour
472		566
473	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour	567	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour
474		568
		569	=item $rend = urxvt::SET_COLOR $rend, $new_fg, $new_bg
		570
475	Replace the foreground/background colour in the rendition mask with the	571	Replace the foreground/background colour in the rendition mask with the
476	specified one.	572	specified one.
477		573
478	=item $value = urxvt::GET_CUSTOM $rend	574	=item $value = urxvt::GET_CUSTOM $rend
479		575
…		…
488	=back	584	=back
489		585
490	=cut	586	=cut
491		587
492	BEGIN {	588	BEGIN {
493	urxvt->bootstrap;
494
495	# overwrite perl's warn	589	# overwrite perl's warn
496	*CORE::GLOBAL::warn = sub {	590	*CORE::GLOBAL::warn = sub {
497	my $msg = join "", @_;	591	my $msg = join "", @_;
498	$msg .= "\n"	592	$msg .= "\n"
499	unless $msg =~ /\n$/;	593	unless $msg =~ /\n$/;
500	urxvt::warn ($msg);	594	urxvt::warn ($msg);
501	};	595	};
502
503	# %ENV is the original startup environment
504	delete $ENV{IFS};
505	delete $ENV{CDPATH};
506	delete $ENV{BASH_ENV};
507	$ENV{PATH} = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin:/opt/sbin";
508	}	596	}
509		597
510	my @hook_count;	598	no warnings 'utf8';
		599
		600	sub parse_resource {
		601	my ($term, $name, $isarg, $longopt, $flag, $value) = @_;
		602
		603	$term->scan_extensions;
		604
		605	my $r = $term->{meta}{resource};
		606	keys %$r; # reset iterator
		607	while (my ($k, $v) = each %$r) {
		608	my $pattern = $k;
		609	$pattern =~ y/./-/ if $isarg;
		610	my $prefix = $name;
		611	my $suffix;
		612	if ($pattern =~ /\-$/) {
		613	$prefix = substr $name, 0, length $pattern;
		614	$suffix = substr $name, length $pattern;
		615	}
		616	if ($pattern eq $prefix) {
		617	$name = "$urxvt::RESCLASS.$k$suffix";
		618
		619	push @{ $term->{perl_ext_3} }, $v->[0];
		620
		621	return 1 unless $isarg;
		622
		623	if ($v->[1] eq "boolean") {
		624	$term->put_option_db ($name, $flag ? "true" : "false");
		625	return 1;
		626	} else {
		627	$term->put_option_db ($name, $value);
		628	return 1 + 2;
		629	}
		630	}
		631	}
		632
		633	0
		634	}
		635
		636	sub usage {
		637	my ($term, $usage_type) = @_;
		638
		639	$term->scan_extensions;
		640
		641	my $r = $term->{meta}{resource};
		642
		643	for my $pattern (sort keys %$r) {
		644	my ($ext, $type, $desc) = @{ $r->{$pattern} };
		645
		646	$desc .= " (-pe $ext)";
		647
		648	if ($usage_type == 1) {
		649	$pattern =~ y/./-/;
		650	$pattern =~ s/-$/-.../g;
		651
		652	if ($type eq "boolean") {
		653	urxvt::log sprintf " -%-30s %s\n", "/+$pattern", $desc;
		654	} else {
		655	urxvt::log sprintf " -%-30s %s\n", "$pattern $type", $desc;
		656	}
		657	} else {
		658	$pattern =~ s/\.$/.*/g;
		659	urxvt::log sprintf " %-31s %s\n", "$pattern:", $type;
		660	}
		661	}
		662	}
		663
511	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};	664	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
512		665
513	sub verbose {	666	sub verbose {
514	my ($level, $msg) = @_;	667	my ($level, $msg) = @_;
515	warn "$msg\n" if $level <= $verbosity;	668	warn "$msg\n" if $level <= $verbosity;
516	}	669	}
517		670
518	my $extension_pkg = "extension0000";
519	my %extension_pkg;	671	my %extension_pkg;
520		672
521	# load a single script into its own package, once only	673	# load a single script into its own package, once only
522	sub extension_package($) {	674	sub extension_package($) {
523	my ($path) = @_;	675	my ($path) = @_;
524		676
525	$extension_pkg{$path} ||= do {	677	$extension_pkg{$path} ||= do {
526	my $pkg = "urxvt::" . ($extension_pkg++);	678	$path =~ /([^\/\\]+)$/;
		679	my $pkg = $1;
		680	$pkg =~ s/[^[:word:]]/_/g;
		681	$pkg = "urxvt::ext::$pkg";
527		682
528	verbose 3, "loading extension '$path' into package '$pkg'";	683	verbose 3, "loading extension '$path' into package '$pkg'";
		684
		685	(${"$pkg\::_NAME"} = $path) =~ s/^.*[\\\/]//; # hackish
529		686
530	open my $fh, "<:raw", $path	687	open my $fh, "<:raw", $path
531	or die "$path: $!";	688	or die "$path: $!";
532		689
533	my $source = untaint	690	my $source =
534	"package $pkg; use strict; use utf8;\n"	691	"package $pkg; use strict 'vars'; use utf8; no warnings 'utf8';\n"
535	. "use base urxvt::term::extension::;\n"
536	. "#line 1 \"$path\"\n{\n"	692	. "#line 1 \"$path\"\n{\n"
537	. (do { local $/; <$fh> })	693	. (do { local $/; <$fh> })
538	. "\n};\n1";	694	. "\n};\n1";
539		695
540	eval $source	696	eval $source
…		…
549	# called by the rxvt core	705	# called by the rxvt core
550	sub invoke {	706	sub invoke {
551	local $TERM = shift;	707	local $TERM = shift;
552	my $htype = shift;	708	my $htype = shift;
553		709
554	if ($htype == 0) { # INIT	710	if ($htype == HOOK_INIT) {
555	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");	711	my @dirs = $TERM->perl_libdirs;
556		712
		713	$TERM->scan_extensions;
		714
557	my %ext_arg;	715	my %ext_arg;
558		716
		717	{
		718	my @init = @TERM_INIT;
		719	@TERM_INIT = ();
		720	$_->($TERM) for @init;
		721	my @pkg = @TERM_EXT;
		722	@TERM_EXT = ();
		723	$TERM->register_package ($_) for @pkg;
		724	}
		725
		726	for (
559	for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {	727	(grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2),
		728	@{ delete $TERM->{perl_ext_3} }
		729	) {
560	if ($_ eq "default") {	730	if ($_ eq "default") {
		731
		732	$ext_arg{$_} = []
561	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback);	733	for qw(selection option-popup selection-popup readline searchable-scrollback);
		734
		735	for ($TERM->_keysym_resources) {
		736	next if /^(?:string|command|builtin|builtin-string|perl)/;
		737	next unless /^([A-Za-z0-9_\-]+):/;
		738
		739	my $ext = $1;
		740
		741	$ext_arg{$ext} = [];
		742	}
		743
562	} elsif (/^-(.*)$/) {	744	} elsif (/^-(.*)$/) {
563	delete $ext_arg{$1};	745	delete $ext_arg{$1};
		746
564	} elsif (/^([^<]+)<(.*)>$/) {	747	} elsif (/^([^<]+)<(.*)>$/) {
565	push @{ $ext_arg{$1} }, $2;	748	push @{ $ext_arg{$1} }, $2;
		749
566	} else {	750	} else {
567	$ext_arg{$_} ||= [];	751	$ext_arg{$_} ||= [];
568	}	752	}
569	}	753	}
570		754
571	while (my ($ext, $argv) = each %ext_arg) {	755	for my $ext (sort keys %ext_arg) {
572	my @files = grep -f $_, map "$_/$ext", @dirs;	756	my @files = grep -f $_, map "$_/$ext", @dirs;
573		757
574	if (@files) {	758	if (@files) {
575	$TERM->register_package (extension_package $files[0], $argv);	759	$TERM->register_package (extension_package $files[0], $ext_arg{$ext});
576	} else {	760	} else {
577	warn "perl extension '$ext' not found in perl library search path\n";	761	warn "perl extension '$ext' not found in perl library search path\n";
578	}	762	}
579	}	763	}
580		764
…		…
586		770
587	if (my $cb = $TERM->{_hook}[$htype]) {	771	if (my $cb = $TERM->{_hook}[$htype]) {
588	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"	772	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
589	if $verbosity >= 10;	773	if $verbosity >= 10;
590		774
591	keys %$cb;	775	if ($htype == HOOK_ACTION) {
		776	# this hook is only sent to the extension with the name
		777	# matching the first arg
		778	my $pkg = shift;
		779	$pkg =~ y/-/_/;
		780	$pkg = "urxvt::ext::$pkg";
592		781
593	while (my ($pkg, $cb) = each %$cb) {	782	$cb = $cb->{$pkg}
		783	or return undef; #TODO: maybe warn user?
		784
		785	$cb = { $pkg => $cb };
		786	}
		787
		788	for my $pkg (keys %$cb) {
594	$retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) }	789	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg} || $TERM, @_) };
595	and last;	790	$retval ||= $retval_;
596		791
597	if ($@) {	792	if ($@) {
598	$TERM->ungrab; # better to lose the grab than the session	793	$TERM->ungrab; # better to lose the grab than the session
599	warn $@;	794	warn $@;
600	}	795	}
…		…
602		797
603	verbose 11, "$HOOKNAME[$htype] returning <$retval>"	798	verbose 11, "$HOOKNAME[$htype] returning <$retval>"
604	if $verbosity >= 11;	799	if $verbosity >= 11;
605	}	800	}
606		801
607	if ($htype == 1) { # DESTROY	802	if ($htype == HOOK_DESTROY) {
608	if (my $hook = delete $TERM->{_hook}) {
609	for my $htype (0..$#$hook) {
610	$hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
611	or set_should_invoke $htype, 0;
612	}
613	}
614
615	# clear package objects	803	# clear package objects
616	%$_ = () for values %{ $TERM->{_pkg} };	804	%$_ = () for values %{ $TERM->{_pkg} };
617		805
618	# clear package	806	# clear package
619	%$TERM = ();	807	%$TERM = ();
620	}	808	}
621		809
622	$retval	810	$retval
623	}	811	}
624		812
625	sub exec_async(@) {	813	sub SET_COLOR($$$) {
626	my $pid = fork;	814	SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
627
628	return
629	if !defined $pid or $pid;
630
631	%ENV = %{ $TERM->env };
632
633	exec @_;
634	_exit 255;
635	}	815	}
636		816
637	# urxvt::term::extension	817	sub rend2mask {
638		818	no strict 'refs';
639	package urxvt::term::extension;	819	my ($str, $mask) = (@_, 0);
640		820	my %color = ( fg => undef, bg => undef );
641	sub enable {	821	my @failed;
642	my ($self, %hook) = @_;	822	for my $spec ( split /\s+/, $str ) {
643	my $pkg = $self->{_pkg};	823	if ( $spec =~ /^([fb]g)[_:-]?(\d+)/i ) {
644		824	$color{lc($1)} = $2;
645	while (my ($name, $cb) = each %hook) {	825	} else {
646	my $htype = $HOOKTYPE{uc $name};	826	my $neg = $spec =~ s/^[-^]//;
647	defined $htype	827	unless ( exists &{"RS_$spec"} ) {
648	or Carp::croak "unsupported hook type '$name'";	828	push @failed, $spec;
649		829	next;
650	unless (exists $self->{term}{_hook}[$htype]{$pkg}) {
651	$hook_count[$htype]++
652	or urxvt::set_should_invoke $htype, 1;
653	}	830	}
654		831	my $cur = &{"RS_$spec"};
655	$self->{term}{_hook}[$htype]{$pkg} = $cb;	832	if ( $neg ) {
656	}	833	$mask &= ~$cur;
657	}	834	} else {
658		835	$mask |= $cur;
659	sub disable {	836	}
660	my ($self, @hook) = @_;
661	my $pkg = $self->{_pkg};
662
663	for my $name (@hook) {
664	my $htype = $HOOKTYPE{uc $name};
665	defined $htype
666	or Carp::croak "unsupported hook type '$name'";
667
668	if (delete $self->{term}{_hook}[$htype]{$pkg}) {
669	--$hook_count[$htype]
670	or urxvt::set_should_invoke $htype, 0;
671	}	837	}
672	}	838	}
		839	($mask, @color{qw(fg bg)}, \@failed)
673	}	840	}
		841
		842	package urxvt::term::extension;
		843
		844	=head2 The C<urxvt::term::extension> class
		845
		846	Each extension attached to a terminal object is represented by
		847	a C<urxvt::term::extension> object.
		848
		849	You can use these objects, which are passed to all callbacks to store any
		850	state related to the terminal and extension instance.
		851
		852	The methods (And data members) documented below can be called on extension
		853	objects, in addition to call methods documented for the <urxvt::term>
		854	class.
		855
		856	=over 4
		857
		858	=item $urxvt_term = $self->{term}
		859
		860	Returns the C<urxvt::term> object associated with this instance of the
		861	extension. This member I<must not> be changed in any way.
		862
		863	=cut
674		864
675	our $AUTOLOAD;	865	our $AUTOLOAD;
676		866
677	sub AUTOLOAD {	867	sub AUTOLOAD {
678	$AUTOLOAD =~ /:([^:]+)$/	868	$AUTOLOAD =~ /:([^:]+)$/
…		…
691		881
692	sub DESTROY {	882	sub DESTROY {
693	# nop	883	# nop
694	}	884	}
695		885
696	# urxvt::destroy_hook	886	# urxvt::destroy_hook (basically a cheap Guard:: implementation)
697		887
698	sub urxvt::destroy_hook::DESTROY {	888	sub urxvt::destroy_hook::DESTROY {
699	${$_[0]}->();	889	${$_[0]}->();
700	}	890	}
701		891
702	sub urxvt::destroy_hook(&) {	892	sub urxvt::destroy_hook(&) {
703	bless \shift, urxvt::destroy_hook::	893	bless \shift, urxvt::destroy_hook::
704	}	894	}
		895
		896	=item $self->enable ($hook_name => $cb[, $hook_name => $cb..])
		897
		898	Dynamically enable the given hooks (named without the C<on_> prefix) for
		899	this extension, replacing any hook previously installed via C<enable> in
		900	this extension.
		901
		902	This is useful when you want to overwrite time-critical hooks only
		903	temporarily.
		904
		905	To install additional callbacks for the same hook, you can use the C<on>
		906	method of the C<urxvt::term> class.
		907
		908	=item $self->disable ($hook_name[, $hook_name..])
		909
		910	Dynamically disable the given hooks.
		911
		912	=cut
		913
		914	sub enable {
		915	my ($self, %hook) = @_;
		916	my $pkg = $self->{_pkg};
		917
		918	while (my ($name, $cb) = each %hook) {
		919	my $htype = $HOOKTYPE{uc $name};
		920	defined $htype
		921	or Carp::croak "unsupported hook type '$name'";
		922
		923	$self->set_should_invoke ($htype, +1)
		924	unless exists $self->{term}{_hook}[$htype]{$pkg};
		925
		926	$self->{term}{_hook}[$htype]{$pkg} = $cb;
		927	}
		928	}
		929
		930	sub disable {
		931	my ($self, @hook) = @_;
		932	my $pkg = $self->{_pkg};
		933
		934	for my $name (@hook) {
		935	my $htype = $HOOKTYPE{uc $name};
		936	defined $htype
		937	or Carp::croak "unsupported hook type '$name'";
		938
		939	$self->set_should_invoke ($htype, -1)
		940	if delete $self->{term}{_hook}[$htype]{$pkg};
		941	}
		942	}
		943
		944	=item $guard = $self->on ($hook_name => $cb[, $hook_name => $cb..])
		945
		946	Similar to the C<enable> enable, but installs additional callbacks for
		947	the given hook(s) (that is, it doesn't replace existing callbacks), and
		948	returns a guard object. When the guard object is destroyed the callbacks
		949	are disabled again.
		950
		951	=cut
		952
		953	sub urxvt::extension::on_disable::DESTROY {
		954	my $disable = shift;
		955
		956	my $term = delete $disable->{""};
		957
		958	while (my ($htype, $id) = each %$disable) {
		959	delete $term->{_hook}[$htype]{$id};
		960	$term->set_should_invoke ($htype, -1);
		961	}
		962	}
		963
		964	sub on {
		965	my ($self, %hook) = @_;
		966
		967	my $term = $self->{term};
		968
		969	my %disable = ( "" => $term );
		970
		971	while (my ($name, $cb) = each %hook) {
		972	my $htype = $HOOKTYPE{uc $name};
		973	defined $htype
		974	or Carp::croak "unsupported hook type '$name'";
		975
		976	$term->set_should_invoke ($htype, +1);
		977	$term->{_hook}[$htype]{ $disable{$htype} = $cb+0 }
		978	= sub { shift; $cb->($self, @_) }; # very ugly indeed
		979	}
		980
		981	bless \%disable, "urxvt::extension::on_disable"
		982	}
		983
		984	=item $self->bind_action ($hotkey, $action)
		985
		986	=item $self->x_resource ($pattern)
		987
		988	=item $self->x_resource_boolean ($pattern)
		989
		990	These methods support an additional C<%> prefix for C<$action> or
		991	C<$pattern> when called on an extension object, compared to the
		992	C<urxvt::term> methods of the same name - see the description of these
		993	methods in the C<urxvt::term> class for details.
		994
		995	=cut
		996
		997	sub bind_action {
		998	my ($self, $hotkey, $action) = @_;
		999	$action =~ s/^%:/$_[0]{_name}:/;
		1000	$self->{term}->bind_action ($hotkey, $action)
		1001	}
		1002
		1003	sub x_resource {
		1004	my ($self, $name) = @_;
		1005	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		1006	$self->{term}->x_resource ($name)
		1007	}
		1008
		1009	sub x_resource_boolean {
		1010	my ($self, $name) = @_;
		1011	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		1012	$self->{term}->x_resource_boolean ($name)
		1013	}
		1014
		1015	=back
		1016
		1017	=cut
705		1018
706	package urxvt::anyevent;	1019	package urxvt::anyevent;
707		1020
708	=head2 The C<urxvt::anyevent> Class	1021	=head2 The C<urxvt::anyevent> Class
709		1022
710	The sole purpose of this class is to deliver an interface to the	1023	The sole purpose of this class is to deliver an interface to the
711	C<AnyEvent> module - any module using it will work inside urxvt without	1024	C<AnyEvent> module - any module using it will work inside urxvt without
712	further programming. The only exception is that you cannot wait on	1025	further programming. The only exception is that you cannot wait on
713	condition variables, but non-blocking condvar use is ok. What this means	1026	condition variables, but non-blocking condvar use is ok.
714	is that you cannot use blocking APIs, but the non-blocking variant should
715	work.
716		1027
717	=cut	1028	In practical terms this means is that you cannot use blocking APIs, but
		1029	the non-blocking variant should work.
718		1030
		1031	=cut
		1032
719	our $VERSION = 1;	1033	our $VERSION = '5.23';
720		1034
721	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there	1035	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
722	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];	1036	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
723		1037
724	sub timer {	1038	sub timer {
…		…
726		1040
727	my $cb = $arg{cb};	1041	my $cb = $arg{cb};
728		1042
729	urxvt::timer	1043	urxvt::timer
730	->new	1044	->new
731	->start (urxvt::NOW + $arg{after})	1045	->after ($arg{after}, $arg{interval})
732	->cb (sub {	1046	->cb ($arg{interval} ? $cb : sub {
733	$_[0]->stop; # need to cancel manually	1047	$_[0]->stop; # need to cancel manually
734	$cb->();	1048	$cb->();
735	})	1049	})
736	}	1050	}
737		1051
738	sub io {	1052	sub io {
739	my ($class, %arg) = @_;	1053	my ($class, %arg) = @_;
740		1054
741	my $cb = $arg{cb};	1055	my $cb = $arg{cb};
		1056	my $fd = fileno $arg{fh};
		1057	defined $fd or $fd = $arg{fh};
742		1058
743	bless [$arg{fh}, urxvt::iow	1059	bless [$arg{fh}, urxvt::iow
744	->new	1060	->new
745	->fd (fileno $arg{fh})	1061	->fd ($fd)
746	->events (($arg{poll} =~ /r/ ? 1 : 0)	1062	->events (($arg{poll} =~ /r/ ? 1 : 0)
747	| ($arg{poll} =~ /w/ ? 2 : 0))	1063	| ($arg{poll} =~ /w/ ? 2 : 0))
748	->start	1064	->start
749	->cb (sub {	1065	->cb ($cb)
750	$cb->(($_[1] & 1 ? 'r' : '')
751	. ($_[1] & 2 ? 'w' : ''));
752	})],
753	urxvt::anyevent::	1066	], urxvt::anyevent::
		1067	}
		1068
		1069	sub idle {
		1070	my ($class, %arg) = @_;
		1071
		1072	my $cb = $arg{cb};
		1073
		1074	urxvt::iw
		1075	->new
		1076	->start
		1077	->cb ($cb)
		1078	}
		1079
		1080	sub child {
		1081	my ($class, %arg) = @_;
		1082
		1083	my $cb = $arg{cb};
		1084
		1085	urxvt::pw
		1086	->new
		1087	->start ($arg{pid})
		1088	->cb (sub {
		1089	$_[0]->stop; # need to cancel manually
		1090	$cb->($_[0]->rpid, $_[0]->rstatus);
		1091	})
754	}	1092	}
755		1093
756	sub DESTROY {	1094	sub DESTROY {
757	$_[0][1]->stop;	1095	$_[0][1]->stop;
758	}	1096	}
759		1097
760	sub condvar {	1098	# only needed for AnyEvent < 6 compatibility
761	bless \my $flag, urxvt::anyevent::condvar::	1099	sub one_event {
762	}
763
764	sub urxvt::anyevent::condvar::broadcast {
765	${$_[0]}++;
766	}
767
768	sub urxvt::anyevent::condvar::wait {
769	unless (${$_[0]}) {
770	Carp::croak "AnyEvent->condvar blocking wait unsupported in urxvt, use a non-blocking API";	1100	Carp::croak "AnyEvent->one_event blocking wait unsupported in urxvt, use a non-blocking API";
771	}
772	}	1101	}
773		1102
774	package urxvt::term;	1103	package urxvt::term;
775		1104
776	=head2 The C<urxvt::term> Class	1105	=head2 The C<urxvt::term> Class
…		…
782	# find on_xxx subs in the package and register them	1111	# find on_xxx subs in the package and register them
783	# as hooks	1112	# as hooks
784	sub register_package {	1113	sub register_package {
785	my ($self, $pkg, $argv) = @_;	1114	my ($self, $pkg, $argv) = @_;
786		1115
		1116	no strict 'refs';
		1117
		1118	urxvt::verbose 6, "register package $pkg to $self";
		1119
		1120	@{"$pkg\::ISA"} = urxvt::term::extension::;
		1121
787	my $proxy = bless {	1122	my $proxy = bless {
788	_pkg => $pkg,	1123	_pkg => $pkg,
		1124	_name => ${"$pkg\::_NAME"}, # hackish
789	argv => $argv,	1125	argv => $argv,
790	}, $pkg;	1126	}, $pkg;
791	Scalar::Util::weaken ($proxy->{term} = $self);	1127	Scalar::Util::weaken ($proxy->{term} = $self);
792		1128
793	$self->{_pkg}{$pkg} = $proxy;	1129	$self->{_pkg}{$pkg} = $proxy;
794		1130
…		…
797	$proxy->enable ($name => $ref);	1133	$proxy->enable ($name => $ref);
798	}	1134	}
799	}	1135	}
800	}	1136	}
801		1137
		1138	sub perl_libdirs {
		1139	map { split /:/ }
		1140	$_[0]->resource ("perl_lib"),
		1141	$ENV{URXVT_PERL_LIB},
		1142	"$ENV{HOME}/.urxvt/ext",
		1143	"$LIBDIR/perl"
		1144	}
		1145
		1146	# scan for available extensions and collect their metadata
		1147	sub scan_extensions {
		1148	my ($self) = @_;
		1149
		1150	return if exists $self->{meta};
		1151
		1152	my @urxvtdirs = perl_libdirs $self;
		1153	# my @cpandirs = grep -d, map "$_/URxvt/Ext", @INC;
		1154
		1155	$self->{meta} = \my %meta;
		1156
		1157	# first gather extensions
		1158
		1159	my $gather = sub {
		1160	my ($dir, $core) = @_;
		1161
		1162	opendir my $fh, $dir
		1163	or return;
		1164
		1165	for my $ext (readdir $fh) {
		1166	$ext !~ /^\./
		1167	or next;
		1168
		1169	open my $fh, "<", "$dir/$ext"
		1170	or next;
		1171
		1172	-f $fh
		1173	or next;
		1174
		1175	$ext =~ s/\.uext$// or $core
		1176	or next;
		1177
		1178	my %ext = (dir => $dir);
		1179
		1180	while (<$fh>) {
		1181	if (/^#:META:(?:X_)?RESOURCE:(.*)/) {
		1182	my ($pattern, $type, $desc) = split /:/, $1;
		1183	$pattern =~ s/^%(\.|$)/$ext$1/g; # % in pattern == extension name
		1184	if ($pattern =~ /[^a-zA-Z0-9\-\.]/) {
		1185	warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n";
		1186	} else {
		1187	$ext{resource}{$pattern} = [$ext, $type, $desc];
		1188	}
		1189	} elsif (/^\s*(?:#|$)/) {
		1190	# skip other comments and empty lines
		1191	} else {
		1192	last; # stop parsing on first non-empty non-comment line
		1193	}
		1194	}
		1195
		1196	$meta{ext}{$ext} = \%ext;
		1197	}
		1198	};
		1199
		1200	# $gather->($_, 0) for @cpandirs;
		1201	$gather->($_, 1) for @urxvtdirs;
		1202
		1203	# and now merge resources
		1204
		1205	$meta{resource} = \my %resource;
		1206
		1207	while (my ($k, $v) = each %{ $meta{ext} }) {
		1208	#TODO: should check for extensions overriding each other
		1209	%resource = (%resource, %{ $v->{resource} });
		1210	}
		1211	}
		1212
802	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]	1213	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
803		1214
804	Creates a new terminal, very similar as if you had started it with system	1215	Creates a new terminal, very similar as if you had started it with system
805	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like	1216	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
806	hash which defines the environment of the new terminal.	1217	hash which defines the environment of the new terminal.
807		1218
808	Croaks (and probably outputs an error message) if the new instance	1219	Croaks (and probably outputs an error message) if the new instance
809	couldn't be created. Returns C<undef> if the new instance didn't	1220	couldn't be created. Returns C<undef> if the new instance didn't
810	initialise perl, and the terminal object otherwise. The C<init> and	1221	initialise perl, and the terminal object otherwise. The C<init> and
811	C<start> hooks will be called during this call.	1222	C<start> hooks will be called before this call returns, and are free to
		1223	refer to global data (which is race free).
812		1224
813	=cut	1225	=cut
814		1226
815	sub new {	1227	sub new {
816	my ($class, $env, @args) = @_;	1228	my ($class, $env, @args) = @_;
817		1229
		1230	$env or Carp::croak "environment hash missing in call to urxvt::term->new";
		1231	@args or Carp::croak "name argument missing in call to urxvt::term->new";
		1232
818	_new ([ map "$_=$env->{$_}", keys %$env ], @args);	1233	_new ([ map "$_=$env->{$_}", keys %$env ], \@args);
819	}	1234	}
820		1235
821	=item $term->destroy	1236	=item $term->destroy
822		1237
823	Destroy the terminal object (close the window, free resources	1238	Destroy the terminal object (close the window, free resources
824	etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event	1239	etc.). Please note that urxvt will not exit as long as any event
825	watchers (timers, io watchers) are still active.	1240	watchers (timers, io watchers) are still active.
		1241
		1242	=item $term->exec_async ($cmd[, @args])
		1243
		1244	Works like the combination of the C<fork>/C<exec> builtins, which executes
		1245	("starts") programs in the background. This function takes care of setting
		1246	the user environment before exec'ing the command (e.g. C<PATH>) and should
		1247	be preferred over explicit calls to C<exec> or C<system>.
		1248
		1249	Returns the pid of the subprocess or C<undef> on error.
		1250
		1251	=cut
		1252
		1253	sub exec_async {
		1254	my $self = shift;
		1255
		1256	my $pid = fork;
		1257
		1258	return $pid
		1259	if !defined $pid or $pid;
		1260
		1261	%ENV = %{ $self->env };
		1262
		1263	exec @_;
		1264	urxvt::_exit 255;
		1265	}
826		1266
827	=item $isset = $term->option ($optval[, $set])	1267	=item $isset = $term->option ($optval[, $set])
828		1268
829	Returns true if the option specified by C<$optval> is enabled, and	1269	Returns true if the option specified by C<$optval> is enabled, and
830	optionally change it. All option values are stored by name in the hash	1270	optionally change it. All option values are stored by name in the hash
831	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.	1271	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
832		1272
833	Here is a a likely non-exhaustive list of option names, please see the	1273	Here is a likely non-exhaustive list of option names, please see the
834	source file F</src/optinc.h> to see the actual list:	1274	source file F</src/optinc.h> to see the actual list:
835		1275
836	borderLess console cursorBlink cursorUnderline hold iconic insecure	1276	borderLess buffered console cursorBlink cursorUnderline hold iconic
837	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage	1277	insecure intensityStyles iso14755 iso14755_52 jumpScroll loginShell
		1278	mapAlert meta8 mouseWheelScrollPage override_redirect pastableTabs
838	pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating	1279	pointerBlank reverseVideo scrollBar scrollBar_floating scrollBar_right
839	scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer	1280	scrollTtyKeypress scrollTtyOutput scrollWithBuffer secondaryScreen
840	secondaryScreen secondaryScroll skipBuiltinGlyphs transparent	1281	secondaryScroll skipBuiltinGlyphs skipScroll transparent tripleclickwords
841	tripleclickwords utmpInhibit visualBell	1282	urgentOnBell utmpInhibit visualBell
842		1283
843	=item $value = $term->resource ($name[, $newval])	1284	=item $value = $term->resource ($name[, $newval])
844		1285
845	Returns the current resource value associated with a given name and	1286	Returns the current resource value associated with a given name and
846	optionally sets a new value. Setting values is most useful in the C<init>	1287	optionally sets a new value. Setting values is most useful in the C<init>
…		…
855	likely change).	1296	likely change).
856		1297
857	Please note that resource strings will currently only be freed when the	1298	Please note that resource strings will currently only be freed when the
858	terminal is destroyed, so changing options frequently will eat memory.	1299	terminal is destroyed, so changing options frequently will eat memory.
859		1300
860	Here is a a likely non-exhaustive list of resource names, not all of which	1301	Here is a likely non-exhaustive list of resource names, not all of which
861	are supported in every build, please see the source file F</src/rsinc.h>	1302	are supported in every build, please see the source file F</src/rsinc.h>
862	to see the actual list:	1303	to see the actual list:
863		1304
864	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont	1305	answerbackstring backgroundPixmap backspace_key blurradius
865	borderLess color cursorBlink cursorUnderline cutchars delete_key	1306	boldFont boldItalicFont borderLess buffered chdir color cursorBlink
866	display_name embed ext_bwidth fade font geometry hold iconName	1307	cursorUnderline cutchars delete_key depth display_name embed ext_bwidth
867	imFont imLocale inputMethod insecure int_bwidth intensityStyles	1308	fade font geometry hold iconName iconfile imFont imLocale inputMethod
		1309	insecure int_bwidth intensityStyles iso14755 iso14755_52 italicFont
868	italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier	1310	jumpScroll letterSpace lineSpace loginShell mapAlert meta8 modifier
869	mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2	1311	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
870	perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd	1312	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
871	reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating	1313	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
872	scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput	1314	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
873	scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle	1315	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
874	shade term_name title transparent transparent_all tripleclickwords	1316	secondaryScreen secondaryScroll shade skipBuiltinGlyphs skipScroll
		1317	term_name title transient_for transparent tripleclickwords urgentOnBell
875	utmpInhibit visualBell	1318	utmpInhibit visualBell
876		1319
877	=cut	1320	=cut
878		1321
879	sub resource($$;$) {	1322	sub resource($$;$) {
880	my ($self, $name) = (shift, shift);	1323	my ($self, $name) = (shift, shift);
881	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);	1324	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
882	&urxvt::term::_resource	1325	goto &urxvt::term::_resource
883	}	1326	}
884		1327
885	=item $value = $term->x_resource ($pattern)	1328	=item $value = $term->x_resource ($pattern)
886		1329
887	Returns the X-Resource for the given pattern, excluding the program or	1330	Returns the X-Resource for the given pattern, excluding the program or
888	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the	1331	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
889	same value as used by this instance of rxvt-unicode. Returns C<undef> if no	1332	same value as used by this instance of rxvt-unicode. Returns C<undef> if no
890	resource with that pattern exists.	1333	resource with that pattern exists.
891		1334
		1335	Extensions that define extra resources also need to call this method
		1336	to access their values.
		1337
		1338	If the method is called on an extension object (basically, from an
		1339	extension), then the special prefix C<%.> will be replaced by the name of
		1340	the extension and a dot, and the lone string C<%> will be replaced by the
		1341	extension name itself. This makes it possible to code extensions so you
		1342	can rename them and get a new set of resources without having to change
		1343	the actual code.
		1344
892	This method should only be called during the C<on_start> hook, as there is	1345	This method should only be called during the C<on_start> hook, as there is
893	only one resource database per display, and later invocations might return	1346	only one resource database per display, and later invocations might return
894	the wrong resources.	1347	the wrong resources.
895		1348
896	=item $success = $term->parse_keysym ($keysym_spec, $command_string)	1349	=item $value = $term->x_resource_boolean ($pattern)
897		1350
		1351	Like C<x_resource>, above, but interprets the string value as a boolean
		1352	and returns C<1> for true values, C<0> for false values and C<undef> if
		1353	the resource or option isn't specified.
		1354
		1355	You should always use this method to parse boolean resources.
		1356
		1357	=cut
		1358
		1359	sub x_resource_boolean {
		1360	my $res = &x_resource;
		1361
		1362	$res =~ /^\s*(?:true|yes|on|1)\s*$/i ? 1 : defined $res && 0
		1363	}
		1364
		1365	=item $action = $term->lookup_keysym ($keysym, $state)
		1366
		1367	Returns the action bound to key combination C<($keysym, $state)>,
		1368	if a binding for it exists, and C<undef> otherwise.
		1369
		1370	=item $success = $term->bind_action ($key, $action)
		1371
898	Adds a keymap translation exactly as specified via a resource. See the	1372	Adds a key binding exactly as specified via a C<keysym> resource. See the
899	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.	1373	C<keysym> resource in the urxvt(1) manpage.
		1374
		1375	To add default bindings for actions, an extension should call C<<
		1376	->bind_action >> in its C<init> hook for every such binding. Doing it
		1377	in the C<init> hook allows users to override or remove the binding
		1378	again.
		1379
		1380	Example: the C<searchable-scrollback> by default binds itself
		1381	on C<Meta-s>, using C<< $self->bind_action >>, which calls C<<
		1382	$term->bind_action >>.
		1383
		1384	sub init {
		1385	my ($self) = @_;
		1386
		1387	$self->bind_action ("M-s" => "%:start");
		1388	}
900		1389
901	=item $rend = $term->rstyle ([$new_rstyle])	1390	=item $rend = $term->rstyle ([$new_rstyle])
902		1391
903	Return and optionally change the current rendition. Text that is output by	1392	Return and optionally change the current rendition. Text that is output by
904	the terminal application will use this style.	1393	the terminal application will use this style.
…		…
912		1401
913	=item ($row, $col) = $term->selection_beg ([$row, $col])	1402	=item ($row, $col) = $term->selection_beg ([$row, $col])
914		1403
915	=item ($row, $col) = $term->selection_end ([$row, $col])	1404	=item ($row, $col) = $term->selection_end ([$row, $col])
916		1405
917	Return the current values of the selection mark, begin or end positions,	1406	Return the current values of the selection mark, begin or end positions.
918	and optionally set them to new values.	1407
		1408	When arguments are given, then the selection coordinates are set to
		1409	C<$row> and C<$col>, and the selection screen is set to the current
		1410	screen.
		1411
		1412	=item $screen = $term->selection_screen ([$screen])
		1413
		1414	Returns the current selection screen, and then optionally sets it.
919		1415
920	=item $term->selection_make ($eventtime[, $rectangular])	1416	=item $term->selection_make ($eventtime[, $rectangular])
921		1417
922	Tries to make a selection as set by C<selection_beg> and	1418	Tries to make a selection as set by C<selection_beg> and
923	C<selection_end>. If C<$rectangular> is true (default: false), a	1419	C<selection_end>. If C<$rectangular> is true (default: false), a
924	rectangular selection will be made. This is the prefered function to make	1420	rectangular selection will be made. This is the preferred function to make
925	a selection.	1421	a selection.
926		1422
927	=item $success = $term->selection_grab ($eventtime)	1423	=item $success = $term->selection_grab ($eventtime[, $clipboard])
928		1424
929	Try to request the primary selection text from the server (for example, as	1425	Try to acquire ownership of the primary (clipboard if C<$clipboard> is
		1426	true) selection from the server. The corresponding text can be set
930	set by the next method). No visual feedback will be given. This function	1427	with the next method. No visual feedback will be given. This function
931	is mostly useful from within C<on_sel_grab> hooks.	1428	is mostly useful from within C<on_sel_grab> hooks.
932		1429
933	=item $oldtext = $term->selection ([$newtext])	1430	=item $oldtext = $term->selection ([$newtext, $clipboard])
934		1431
935	Return the current selection text and optionally replace it by C<$newtext>.	1432	Return the current selection (clipboard if C<$clipboard> is true) text
		1433	and optionally replace it by C<$newtext>.
		1434
		1435	=item $term->selection_clear ([$clipboard])
		1436
		1437	Revoke ownership of the primary (clipboard if C<$clipboard> is true) selection.
936		1438
937	=item $term->overlay_simple ($x, $y, $text)	1439	=item $term->overlay_simple ($x, $y, $text)
938		1440
939	Create a simple multi-line overlay box. See the next method for details.	1441	Create a simple multi-line overlay box. See the next method for details.
940		1442
…		…
970		1472
971	The methods currently supported on C<urxvt::overlay> objects are:	1473	The methods currently supported on C<urxvt::overlay> objects are:
972		1474
973	=over 4	1475	=over 4
974		1476
975	=item $overlay->set ($x, $y, $text, $rend)	1477	=item $overlay->set ($x, $y, $text[, $rend])
976		1478
977	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts	1479	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts
978	text in rxvt-unicode's special encoding and an array of rendition values	1480	text in rxvt-unicode's special encoding and an array of rendition values
979	at a specific position inside the overlay.	1481	at a specific position inside the overlay.
		1482
		1483	If C<$rend> is missing, then the rendition will not be changed.
980		1484
981	=item $overlay->hide	1485	=item $overlay->hide
982		1486
983	If visible, hide the overlay, but do not destroy it.	1487	If visible, hide the overlay, but do not destroy it.
984		1488
…		…
1047		1551
1048	=item $term->scr_add_lines ($string)	1552	=item $term->scr_add_lines ($string)
1049		1553
1050	Write the given text string to the screen, as if output by the application	1554	Write the given text string to the screen, as if output by the application
1051	running inside the terminal. It may not contain command sequences (escape	1555	running inside the terminal. It may not contain command sequences (escape
1052	codes), but is free to use line feeds, carriage returns and tabs. The	1556	codes - see C<cmd_parse> for that), but is free to use line feeds,
1053	string is a normal text string, not in locale-dependent encoding.	1557	carriage returns and tabs. The string is a normal text string, not in
		1558	locale-dependent encoding.
1054		1559
1055	Normally its not a good idea to use this function, as programs might be	1560	Normally its not a good idea to use this function, as programs might be
1056	confused by changes in cursor position or scrolling. Its useful inside a	1561	confused by changes in cursor position or scrolling. Its useful inside a
1057	C<on_add_lines> hook, though.	1562	C<on_add_lines> hook, though.
1058		1563
		1564	=item $term->scr_change_screen ($screen)
		1565
		1566	Switch to given screen - 0 primary, 1 secondary.
		1567
1059	=item $term->cmd_parse ($octets)	1568	=item $term->cmd_parse ($octets)
1060		1569
1061	Similar to C<scr_add_lines>, but the argument must be in the	1570	Similar to C<scr_add_lines>, but the argument must be in the
1062	locale-specific encoding of the terminal and can contain command sequences	1571	locale-specific encoding of the terminal and can contain command sequences
1063	(escape codes) that will be interpreted.	1572	(escape codes) that will be interpreted.
1064		1573
1065	=item $term->tt_write ($octets)	1574	=item $term->tt_write ($octets)
1066		1575
1067	Write the octets given in C<$data> to the tty (i.e. as program input). To	1576	Write the octets given in C<$octets> to the tty (i.e. as user input
		1577	to the program, see C<cmd_parse> for the opposite direction). To pass
1068	pass characters instead of octets, you should convert your strings first	1578	characters instead of octets, you should convert your strings first to the
1069	to the locale-specific encoding using C<< $term->locale_encode >>.	1579	locale-specific encoding using C<< $term->locale_encode >>.
		1580
		1581	=item $term->tt_write_user_input ($octets)
		1582
		1583	Like C<tt_write>, but should be used when writing strings in response to
		1584	the user pressing a key, to invoke the additional actions requested by
		1585	the user for that case (C<tt_write> doesn't do that).
		1586
		1587	The typical use case would be inside C<on_action> hooks.
		1588
		1589	=item $term->tt_paste ($octets)
		1590
		1591	Write the octets given in C<$octets> to the tty as a paste, converting NL to
		1592	CR and bracketing the data with control sequences if bracketed paste mode
		1593	is set.
1070		1594
1071	=item $old_events = $term->pty_ev_events ([$new_events])	1595	=item $old_events = $term->pty_ev_events ([$new_events])
1072		1596
1073	Replaces the event mask of the pty watcher by the given event mask. Can	1597	Replaces the event mask of the pty watcher by the given event mask. Can
1074	be used to suppress input and output handling to the pty/tty. See the	1598	be used to suppress input and output handling to the pty/tty. See the
1075	description of C<< urxvt::timer->events >>. Make sure to always restore	1599	description of C<< urxvt::timer->events >>. Make sure to always restore
1076	the previous value.	1600	the previous value.
1077		1601
		1602	=item $fd = $term->pty_fd
		1603
		1604	Returns the master file descriptor for the pty in use, or C<-1> if no pty
		1605	is used.
		1606
1078	=item $windowid = $term->parent	1607	=item $windowid = $term->parent
1079		1608
1080	Return the window id of the toplevel window.	1609	Return the window id of the toplevel window.
1081		1610
1082	=item $windowid = $term->vt	1611	=item $windowid = $term->vt
1083		1612
1084	Return the window id of the terminal window.	1613	Return the window id of the terminal window.
1085		1614
		1615	=item $term->vt_emask_add ($x_event_mask)
		1616
		1617	Adds the specified events to the vt event mask. Useful e.g. when you want
		1618	to receive pointer events all the times:
		1619
		1620	$term->vt_emask_add (urxvt::PointerMotionMask);
		1621
		1622	=item $term->set_urgency ($set)
		1623
		1624	Enable/disable the urgency hint on the toplevel window.
		1625
		1626	=item $term->focus_in
		1627
		1628	=item $term->focus_out
		1629
		1630	=item $term->key_press ($state, $keycode[, $time])
		1631
		1632	=item $term->key_release ($state, $keycode[, $time])
		1633
		1634	Deliver various fake events to to terminal.
		1635
1086	=item $window_width = $term->width	1636	=item $window_width = $term->width ([$new_value])
1087		1637
1088	=item $window_height = $term->height	1638	=item $window_height = $term->height ([$new_value])
1089		1639
1090	=item $font_width = $term->fwidth	1640	=item $font_width = $term->fwidth ([$new_value])
1091		1641
1092	=item $font_height = $term->fheight	1642	=item $font_height = $term->fheight ([$new_value])
1093		1643
1094	=item $font_ascent = $term->fbase	1644	=item $font_ascent = $term->fbase ([$new_value])
1095		1645
1096	=item $terminal_rows = $term->nrow	1646	=item $terminal_rows = $term->nrow ([$new_value])
1097		1647
1098	=item $terminal_columns = $term->ncol	1648	=item $terminal_columns = $term->ncol ([$new_value])
1099		1649
1100	=item $has_focus = $term->focus	1650	=item $has_focus = $term->focus ([$new_value])
1101		1651
1102	=item $is_mapped = $term->mapped	1652	=item $is_mapped = $term->mapped ([$new_value])
1103		1653
1104	=item $max_scrollback = $term->saveLines	1654	=item $max_scrollback = $term->saveLines ([$new_value])
1105		1655
1106	=item $nrow_plus_saveLines = $term->total_rows	1656	=item $nrow_plus_saveLines = $term->total_rows ([$new_value])
1107		1657
1108	=item $lines_in_scrollback = $term->nsaved	1658	=item $topmost_scrollback_row = $term->top_row ([$new_value])
1109		1659
1110	Return various integers describing terminal characteristics.	1660	Return various integers describing terminal characteristics. If an
		1661	argument is given, changes the value and returns the previous one.
1111		1662
1112	=item $x_display = $term->display_id	1663	=item $x_display = $term->display_id
1113		1664
1114	Return the DISPLAY used by rxvt-unicode.	1665	Return the DISPLAY used by rxvt-unicode.
1115		1666
…		…
1120	=item $env = $term->env	1671	=item $env = $term->env
1121		1672
1122	Returns a copy of the environment in effect for the terminal as a hashref	1673	Returns a copy of the environment in effect for the terminal as a hashref
1123	similar to C<\%ENV>.	1674	similar to C<\%ENV>.
1124		1675
		1676	=item @envv = $term->envv
		1677
		1678	Returns the environment as array of strings of the form C<VAR=VALUE>.
		1679
		1680	=item @argv = $term->argv
		1681
		1682	Return the argument vector as this terminal, similar to @ARGV, but
		1683	includes the program name as first element.
		1684
1125	=cut	1685	=cut
1126		1686
1127	sub env {	1687	sub env {
1128	if (my $env = $_[0]->_env) {
1129	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), @$env }	1688	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), $_[0]->envv }
1130	} else {
1131	+{ %ENV }
1132	}
1133	}	1689	}
1134		1690
1135	=item $modifiermask = $term->ModLevel3Mask	1691	=item $modifiermask = $term->ModLevel3Mask
1136		1692
1137	=item $modifiermask = $term->ModMetaMask	1693	=item $modifiermask = $term->ModMetaMask
…		…
1139	=item $modifiermask = $term->ModNumLockMask	1695	=item $modifiermask = $term->ModNumLockMask
1140		1696
1141	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often	1697	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
1142	AltGr), the meta key (often Alt) and the num lock key, if applicable.	1698	AltGr), the meta key (often Alt) and the num lock key, if applicable.
1143		1699
		1700	=item $screen = $term->current_screen
		1701
		1702	Returns the currently displayed screen (0 primary, 1 secondary).
		1703
		1704	=item $cursor_is_hidden = $term->hidden_cursor
		1705
		1706	Returns whether the cursor is currently hidden or not.
		1707
		1708	=item $priv_modes = $term->priv_modes
		1709
		1710	Returns a bitset with the state of DEC private modes.
		1711
		1712	Example:
		1713
		1714	if ($term->priv_modes & urxvt::PrivMode_mouse_report) {
		1715	# mouse reporting is turned on
		1716	}
		1717
1144	=item $view_start = $term->view_start ([$newvalue])	1718	=item $view_start = $term->view_start ([$newvalue])
1145		1719
1146	Returns the negative row number of the topmost line. Minimum value is	1720	Returns the row number of the topmost displayed line. Maximum value is
1147	C<0>, which displays the normal terminal contents. Larger values scroll	1721	C<0>, which displays the normal terminal contents. Lower values scroll
1148	this many lines into the scrollback buffer.	1722	this many lines into the scrollback buffer.
1149		1723
1150	=item $term->want_refresh	1724	=item $term->want_refresh
1151		1725
1152	Requests a screen refresh. At the next opportunity, rxvt-unicode will	1726	Requests a screen refresh. At the next opportunity, rxvt-unicode will
1153	compare the on-screen display with its stored representation. If they	1727	compare the on-screen display with its stored representation. If they
1154	differ, it redraws the differences.	1728	differ, it redraws the differences.
1155		1729
1156	Used after changing terminal contents to display them.	1730	Used after changing terminal contents to display them.
1157		1731
		1732	=item $term->refresh_check
		1733
		1734	Checks if a refresh has been requested and, if so, schedules one.
		1735
1158	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])	1736	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
1159		1737
1160	Returns the text of the entire row with number C<$row_number>. Row C<0>	1738	Returns the text of the entire row with number C<$row_number>. Row C<< $term->top_row >>
1161	is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost	1739	is the topmost terminal line, row C<< $term->nrow-1 >> is the bottommost
1162	terminal line. The scrollback buffer starts at line C<-1> and extends to
1163	line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line	1740	terminal line. Nothing will be returned if a nonexistent line
1164	is requested.	1741	is requested.
1165		1742
1166	If C<$new_text> is specified, it will replace characters in the current	1743	If C<$new_text> is specified, it will replace characters in the current
1167	line, starting at column C<$start_col> (default C<0>), which is useful	1744	line, starting at column C<$start_col> (default C<0>), which is useful
1168	to replace only parts of a line. The font index in the rendition will	1745	to replace only parts of a line. The font index in the rendition will
1169	automatically be updated.	1746	automatically be updated.
1170		1747
1171	C<$text> is in a special encoding: tabs and wide characters that use more	1748	C<$text> is in a special encoding: tabs and wide characters that use more
1172	than one cell when displayed are padded with urxvt::NOCHAR characters	1749	than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
1173	(C<chr 65535>). Characters with combining characters and other characters	1750	characters. Characters with combining characters and other characters that
1174	that do not fit into the normal tetx encoding will be replaced with	1751	do not fit into the normal text encoding will be replaced with characters
1175	characters in the private use area.	1752	in the private use area.
1176		1753
1177	You have to obey this encoding when changing text. The advantage is	1754	You have to obey this encoding when changing text. The advantage is
1178	that C<substr> and similar functions work on screen cells and not on	1755	that C<substr> and similar functions work on screen cells and not on
1179	characters.	1756	characters.
1180		1757
…		…
1264	}	1841	}
1265		1842
1266	sub urxvt::line::t {	1843	sub urxvt::line::t {
1267	my ($self) = @_;	1844	my ($self) = @_;
1268		1845
1269	if (@_ > 1)	1846	if (@_ > 1) {
1270	{
1271	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1847	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1272	for $self->{beg} .. $self->{end};	1848	for $self->{beg} .. $self->{end};
1273	}	1849	}
1274		1850
1275	defined wantarray &&	1851	defined wantarray &&
1276	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),	1852	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),
1277	0, $self->{len}	1853	0, $self->{len}
1278	}	1854	}
1279		1855
1280	sub urxvt::line::r {	1856	sub urxvt::line::r {
1281	my ($self) = @_;	1857	my ($self) = @_;
1282		1858
1283	if (@_ > 1)	1859	if (@_ > 1) {
1284	{
1285	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1860	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1286	for $self->{beg} .. $self->{end};	1861	for $self->{beg} .. $self->{end};
1287	}	1862	}
1288		1863
1289	if (defined wantarray) {	1864	if (defined wantarray) {
1290	my $rend = [	1865	my $rend = [
1291	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}	1866	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}
1292	];	1867	];
…		…
1324	where one character corresponds to one screen cell. See	1899	where one character corresponds to one screen cell. See
1325	C<< $term->ROW_t >> for details.	1900	C<< $term->ROW_t >> for details.
1326		1901
1327	=item $string = $term->special_decode $text	1902	=item $string = $term->special_decode $text
1328		1903
1329	Converts rxvt-unicodes text reprsentation into a perl string. See	1904	Converts rxvt-unicodes text representation into a perl string. See
1330	C<< $term->ROW_t >> for details.	1905	C<< $term->ROW_t >> for details.
1331		1906
1332	=item $success = $term->grab_button ($button, $modifiermask)	1907	=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
1333		1908
		1909	=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
		1910
1334	Registers a synchronous button grab. See the XGrabButton manpage.	1911	Register/unregister a synchronous button grab. See the XGrabButton
		1912	manpage.
1335		1913
1336	=item $success = $term->grab ($eventtime[, $sync])	1914	=item $success = $term->grab ($eventtime[, $sync])
1337		1915
1338	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or	1916	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1339	synchronous (C<$sync> is true). Also remembers the grab timestampe.	1917	synchronous (C<$sync> is true). Also remembers the grab timestamp.
1340		1918
1341	=item $term->allow_events_async	1919	=item $term->allow_events_async
1342		1920
1343	Calls XAllowEvents with AsyncBoth for the most recent grab.	1921	Calls XAllowEvents with AsyncBoth for the most recent grab.
1344		1922
…		…
1351	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most	1929	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
1352	recent grab.	1930	recent grab.
1353		1931
1354	=item $term->ungrab	1932	=item $term->ungrab
1355		1933
1356	Calls XUngrab for the most recent grab. Is called automatically on	1934	Calls XUngrabPointer and XUngrabKeyboard for the most recent grab. Is called automatically on
1357	evaluation errors, as it is better to lose the grab in the error case as	1935	evaluation errors, as it is better to lose the grab in the error case as
1358	the session.	1936	the session.
		1937
		1938	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
		1939
		1940	=item $atom_name = $term->XGetAtomName ($atom)
		1941
		1942	=item @atoms = $term->XListProperties ($window)
		1943
		1944	=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
		1945
		1946	=item $term->XChangeProperty ($window, $property, $type, $format, $octets)
		1947
		1948	=item $term->XDeleteProperty ($window, $property)
		1949
		1950	=item $window = $term->DefaultRootWindow
		1951
		1952	=item $term->XReparentWindow ($window, $parent, [$x, $y])
		1953
		1954	=item $term->XMapWindow ($window)
		1955
		1956	=item $term->XUnmapWindow ($window)
		1957
		1958	=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
		1959
		1960	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
		1961
		1962	=item $term->XChangeInput ($window, $add_events[, $del_events])
		1963
		1964	=item $keysym = $term->XStringToKeysym ($string)
		1965
		1966	=item $string = $term->XKeysymToString ($keysym)
		1967
		1968	Various X or X-related functions. The C<$term> object only serves as
		1969	the source of the display, otherwise those functions map more-or-less
		1970	directly onto the X functions of the same name.
1359		1971
1360	=back	1972	=back
1361		1973
1362	=cut	1974	=cut
1363		1975
…		…
1427	my ($self, $text, $cb) = @_;	2039	my ($self, $text, $cb) = @_;
1428		2040
1429	$self->add_item ({ type => "button", text => $text, activate => $cb});	2041	$self->add_item ({ type => "button", text => $text, activate => $cb});
1430	}	2042	}
1431		2043
1432	=item $popup->add_toggle ($text, $cb, $initial_value)	2044	=item $popup->add_toggle ($text, $initial_value, $cb)
1433		2045
1434	Adds a toggle/checkbox item to the popup. Teh callback gets called	2046	Adds a toggle/checkbox item to the popup. The callback gets called
1435	whenever it gets toggled, with a boolean indicating its value as its first	2047	whenever it gets toggled, with a boolean indicating its new value as its
1436	argument.	2048	first argument.
1437		2049
1438	=cut	2050	=cut
1439		2051
1440	sub add_toggle {	2052	sub add_toggle {
1441	my ($self, $text, $cb, $value) = @_;	2053	my ($self, $text, $value, $cb) = @_;
1442		2054
1443	my $item; $item = {	2055	my $item; $item = {
1444	type => "button",	2056	type => "button",
1445	text => " $text",	2057	text => " $text",
1446	value => $value,	2058	value => $value,
…		…
1465	my $env = $self->{term}->env;	2077	my $env = $self->{term}->env;
1466	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.	2078	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
1467	delete $env->{LC_ALL};	2079	delete $env->{LC_ALL};
1468	$env->{LC_CTYPE} = $self->{term}->locale;	2080	$env->{LC_CTYPE} = $self->{term}->locale;
1469		2081
1470	urxvt::term->new ($env, $self->{term}->resource ("name"),	2082	my $term = urxvt::term->new (
1471	"--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0,	2083	$env, "popup",
		2084	"--perl-lib" => "", "--perl-ext-common" => "",
		2085	"-pty-fd" => -1, "-sl" => 0,
		2086	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1472	"--transient-for" => $self->{term}->parent,	2087	"--transient-for" => $self->{term}->parent,
1473	"-display" => $self->{term}->display_id,	2088	"-display" => $self->{term}->display_id,
1474	"-pe" => "urxvt-popup")	2089	"-pe" => "urxvt-popup",
1475	or die "unable to create popup window\n";	2090	) or die "unable to create popup window\n";
		2091
		2092	unless (delete $term->{urxvt_popup_init_done}) {
		2093	$term->ungrab;
		2094	$term->destroy;
		2095	die "unable to initialise popup window\n";
		2096	}
1476	}	2097	}
1477		2098
1478	sub DESTROY {	2099	sub DESTROY {
1479	my ($self) = @_;	2100	my ($self) = @_;
1480		2101
1481	delete $self->{term}{_destroy}{$self};	2102	delete $self->{term}{_destroy}{$self};
1482	$self->{term}->ungrab;	2103	$self->{term}->ungrab;
1483	}	2104	}
1484		2105
1485	=back	2106	=back
		2107
		2108	=cut
		2109
		2110	package urxvt::watcher;
1486		2111
1487	=head2 The C<urxvt::timer> Class	2112	=head2 The C<urxvt::timer> Class
1488		2113
1489	This class implements timer watchers/events. Time is represented as a	2114	This class implements timer watchers/events. Time is represented as a
1490	fractional number of seconds since the epoch. Example:	2115	fractional number of seconds since the epoch. Example:
…		…
1494	->new	2119	->new
1495	->interval (1)	2120	->interval (1)
1496	->cb (sub {	2121	->cb (sub {
1497	$term->{overlay}->set (0, 0,	2122	$term->{overlay}->set (0, 0,
1498	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);	2123	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
1499	});	2124	});
1500		2125
1501	=over 4	2126	=over 4
1502		2127
1503	=item $timer = new urxvt::timer	2128	=item $timer = new urxvt::timer
1504		2129
…		…
1507		2132
1508	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })	2133	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })
1509		2134
1510	Set the callback to be called when the timer triggers.	2135	Set the callback to be called when the timer triggers.
1511		2136
1512	=item $tstamp = $timer->at
1513
1514	Return the time this watcher will fire next.
1515
1516	=item $timer = $timer->set ($tstamp)	2137	=item $timer = $timer->set ($tstamp[, $interval])
1517		2138
1518	Set the time the event is generated to $tstamp.	2139	Set the time the event is generated to $tstamp (and optionally specifies a
		2140	new $interval).
1519		2141
1520	=item $timer = $timer->interval ($interval)	2142	=item $timer = $timer->interval ($interval)
1521		2143
1522	Normally (and when C<$interval> is C<0>), the timer will automatically	2144	By default (and when C<$interval> is C<0>), the timer will automatically
1523	stop after it has fired once. If C<$interval> is non-zero, then the timer	2145	stop after it has fired once. If C<$interval> is non-zero, then the timer
1524	is automatically rescheduled at the given intervals.	2146	is automatically rescheduled at the given intervals.
1525		2147
1526	=item $timer = $timer->start	2148	=item $timer = $timer->start
1527		2149
1528	Start the timer.	2150	Start the timer.
1529		2151
1530	=item $timer = $timer->start ($tstamp)	2152	=item $timer = $timer->start ($tstamp[, $interval])
1531		2153
1532	Set the event trigger time to C<$tstamp> and start the timer.	2154	Set the event trigger time to C<$tstamp> and start the timer. Optionally
		2155	also replaces the interval.
		2156
		2157	=item $timer = $timer->after ($delay[, $interval])
		2158
		2159	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1533		2160
1534	=item $timer = $timer->stop	2161	=item $timer = $timer->stop
1535		2162
1536	Stop the timer.	2163	Stop the timer.
1537		2164
…		…
1543		2170
1544	$term->{socket} = ...	2171	$term->{socket} = ...
1545	$term->{iow} = urxvt::iow	2172	$term->{iow} = urxvt::iow
1546	->new	2173	->new
1547	->fd (fileno $term->{socket})	2174	->fd (fileno $term->{socket})
1548	->events (urxvt::EVENT_READ)	2175	->events (urxvt::EV_READ)
1549	->start	2176	->start
1550	->cb (sub {	2177	->cb (sub {
1551	my ($iow, $revents) = @_;	2178	my ($iow, $revents) = @_;
1552	# $revents must be 1 here, no need to check	2179	# $revents must be 1 here, no need to check
1553	sysread $term->{socket}, my $buf, 8192	2180	sysread $term->{socket}, my $buf, 8192
…		…
1566	Set the callback to be called when io events are triggered. C<$reventmask>	2193	Set the callback to be called when io events are triggered. C<$reventmask>
1567	is a bitset as described in the C<events> method.	2194	is a bitset as described in the C<events> method.
1568		2195
1569	=item $iow = $iow->fd ($fd)	2196	=item $iow = $iow->fd ($fd)
1570		2197
1571	Set the filedescriptor (not handle) to watch.	2198	Set the file descriptor (not handle) to watch.
1572		2199
1573	=item $iow = $iow->events ($eventmask)	2200	=item $iow = $iow->events ($eventmask)
1574		2201
1575	Set the event mask to watch. The only allowed values are	2202	Set the event mask to watch. The only allowed values are
1576	C<urxvt::EVENT_READ> and C<urxvt::EVENT_WRITE>, which might be ORed	2203	C<urxvt::EV_READ> and C<urxvt::EV_WRITE>, which might be ORed
1577	together, or C<urxvt::EVENT_NONE>.	2204	together, or C<urxvt::EV_NONE>.
1578		2205
1579	=item $iow = $iow->start	2206	=item $iow = $iow->start
1580		2207
1581	Start watching for requested events on the given handle.	2208	Start watching for requested events on the given handle.
1582		2209
1583	=item $iow = $iow->stop	2210	=item $iow = $iow->stop
1584		2211
1585	Stop watching for events on the given filehandle.	2212	Stop watching for events on the given file handle.
		2213
		2214	=back
		2215
		2216	=head2 The C<urxvt::iw> Class
		2217
		2218	This class implements idle watchers, that get called automatically when
		2219	the process is idle. They should return as fast as possible, after doing
		2220	some useful work.
		2221
		2222	=over 4
		2223
		2224	=item $iw = new urxvt::iw
		2225
		2226	Create a new idle watcher object in stopped state.
		2227
		2228	=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
		2229
		2230	Set the callback to be called when the watcher triggers.
		2231
		2232	=item $timer = $timer->start
		2233
		2234	Start the watcher.
		2235
		2236	=item $timer = $timer->stop
		2237
		2238	Stop the watcher.
		2239
		2240	=back
		2241
		2242	=head2 The C<urxvt::pw> Class
		2243
		2244	This class implements process watchers. They create an event whenever a
		2245	process exits, after which they stop automatically.
		2246
		2247	my $pid = fork;
		2248	...
		2249	$term->{pw} = urxvt::pw
		2250	->new
		2251	->start ($pid)
		2252	->cb (sub {
		2253	my ($pw, $exit_status) = @_;
		2254	...
		2255	});
		2256
		2257	=over 4
		2258
		2259	=item $pw = new urxvt::pw
		2260
		2261	Create a new process watcher in stopped state.
		2262
		2263	=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
		2264
		2265	Set the callback to be called when the timer triggers.
		2266
		2267	=item $pw = $timer->start ($pid)
		2268
		2269	Tells the watcher to start watching for process C<$pid>.
		2270
		2271	=item $pw = $pw->stop
		2272
		2273	Stop the watcher.
1586		2274
1587	=back	2275	=back
1588		2276
1589	=head1 ENVIRONMENT	2277	=head1 ENVIRONMENT
1590		2278
…		…
1599		2287
1600	=item >= 3 - script loading and management	2288	=item >= 3 - script loading and management
1601		2289
1602	=item >=10 - all called hooks	2290	=item >=10 - all called hooks
1603		2291
1604	=item >=11 - hook reutrn values	2292	=item >=11 - hook return values
1605		2293
1606	=back	2294	=back
1607		2295
1608	=head1 AUTHOR	2296	=head1 AUTHOR
1609		2297
1610	Marc Lehmann <pcg@goof.com>	2298	Marc Lehmann <schmorp@schmorp.de>
1611	http://software.schmorp.de/pkg/rxvt-unicode	2299	http://software.schmorp.de/pkg/rxvt-unicode
1612		2300
1613	=cut	2301	=cut
1614		2302
1615	1	2303	1
		2304
		2305	# vim: sw=3:

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