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Revision 1.72 by root, Mon Jan 9 23:30:01 2006 UTC vs.
Revision 1.228 by sf-exg, Tue Oct 29 14:12:58 2013 UTC

1	=encoding utf8	1	=encoding utf8
2		2
3	=head1 NAME	3	=head1 NAME
4		4
5	@@RXVT_NAME@@perl - rxvt-unicode's embedded perl interpreter	5	urxvtperl - rxvt-unicode's embedded perl interpreter
6		6
7	=head1 SYNOPSIS	7	=head1 SYNOPSIS
8		8
9	# create a file grab_test in $HOME:	9	# create a file grab_test in $HOME:
10		10
11	sub on_sel_grab {	11	sub on_sel_grab {
12	warn "you selected ", $_[0]->selection;	12	warn "you selected ", $_[0]->selection;
13	()	13	()
14	}	14	}
15		15
16	# start a @@RXVT_NAME@@ using it:	16	# start a urxvt using it:
17		17
18	@@RXVT_NAME@@ --perl-lib $HOME -pe grab_test	18	urxvt --perl-lib $HOME -pe grab_test
19		19
20	=head1 DESCRIPTION	20	=head1 DESCRIPTION
21		21
22	Everytime a terminal object gets created, extension scripts specified via	22	Every time a terminal object gets created, extension scripts specified via
23	the C<perl> resource are loaded and associated with it.	23	the C<perl> resource are loaded and associated with it.
24		24
25	Scripts are compiled in a 'use strict' and 'use utf8' environment, and	25	Scripts are compiled in a 'use strict "vars"' and 'use utf8' environment, and
26	thus must be encoded as UTF-8.	26	thus must be encoded as UTF-8.
27		27
28	Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where	28	Each script will only ever be loaded once, even in urxvtd, where
29	scripts will be shared (but not enabled) for all terminals.	29	scripts will be shared (but not enabled) for all terminals.
30		30
31	=head2 Prepackaged Extensions	31	You can disable the embedded perl interpreter by setting both "perl-ext"
		32	and "perl-ext-common" resources to the empty string.
32		33
33	This section describes the extensiosn delivered with this version. You can	34	=head1 PREPACKAGED EXTENSIONS
34	find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>.	35
		36	A number of extensions are delivered with this release. You can find them
		37	in F<< <libdir>/urxvt/perl/ >>, and the documentation can be viewed using
		38	F<< man urxvt-<EXTENSIONNAME> >>.
35		39
36	You can activate them like this:	40	You can activate them like this:
37		41
38	@@RXVT_NAME@@ -pe <extensionname>	42	urxvt -pe <extensionname>
39		43
40	=over 4	44	Or by adding them to the resource for extensions loaded by default:
41		45
42	=item selection (enabled by default)	46	URxvt.perl-ext-common: default,selection-autotransform
43		47
44	Intelligent selection. This extension tries to be more intelligent when	48	Extensions that add command line parameters or resources on their own are
45	the user extends selections (double-click). Right now, it tries to select	49	loaded automatically when used.
46	urls and complete shell-quoted arguments, which is very convenient, too,
47	if your F<ls> supports C<--quoting-style=shell>.
48		50
49	It also offers the following bindable event:	51	=head1 API DOCUMENTATION
50
51	=over 4
52
53	=item rot13
54
55	Rot-13 the selection when activated. Used via keyboard trigger:
56
57	URxvt.keysym.C-M-r: perl:selection:rot13
58
59	=back
60
61	=item option-popup (enabled by default)
62
63	Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at
64	runtime.
65
66	=item selection-popup (enabled by default)
67
68	Binds a popup menu to Ctrl-Button3 that lets you convert the selection
69	text into various other formats/action.
70
71	=item searchable-scrollback (enabled by default)
72
73	Adds regex search functionality to the scrollback buffer, triggered by a
74	hotkey (default: C<M-s>). When in search mode, terminal input/output is
75	suspended, C</> starts an incremental regex search, C<n> searches further,
76	C<p> jumps to the previous match. C<enter> leaves search mode at the
77	current position and C<escape> returns to the original position.
78
79	=item digital-clock
80
81	Displays a digital clock using the built-in overlay.
82
83	=item mark-urls
84
85	Uses per-line display filtering (C<on_line_update>) to underline urls.
86
87	=item block-graphics-to-ascii
88
89	A not very useful example of filtering all text output to the terminal,
90	by replacing all line-drawing characters (U+2500 .. U+259F) by a
91	similar-looking ascii character.
92
93	=item example-refresh-hooks
94
95	Displays a very simple digital clock in the upper right corner of the
96	window. Illustrates overwriting the refresh callbacks to create your own
97	overlays or changes.
98
99	=back
100		52
101	=head2 General API Considerations	53	=head2 General API Considerations
102		54
103	All objects (such as terminals, time watchers etc.) are typical	55	All objects (such as terminals, time watchers etc.) are typical
104	reference-to-hash objects. The hash can be used to store anything you	56	reference-to-hash objects. The hash can be used to store anything you
…		…
116		68
117	=over 4	69	=over 4
118		70
119	=item $text	71	=item $text
120		72
121	Rxvt-unicodes special way of encoding text, where one "unicode" character	73	Rxvt-unicode's special way of encoding text, where one "unicode" character
122	always represents one screen cell. See L<row_t> for a discussion of this format.	74	always represents one screen cell. See L<ROW_t> for a discussion of this format.
123		75
124	=item $string	76	=item $string
125		77
126	A perl text string, with an emphasis on I<text>. It can store all unicode	78	A perl text string, with an emphasis on I<text>. It can store all unicode
127	characters and is to be distinguished with text encoded in a specific	79	characters and is to be distinguished with text encoded in a specific
…		…
130	=item $octets	82	=item $octets
131		83
132	Either binary data or - more common - a text string encoded in a	84	Either binary data or - more common - a text string encoded in a
133	locale-specific way.	85	locale-specific way.
134		86
		87	=item $keysym
		88
		89	an integer that is a valid X11 keysym code. You can convert a string
		90	into a keysym and viceversa by using C<XStringToKeysym> and
		91	C<XKeysymToString>.
		92
135	=back	93	=back
136		94
137	=head2 Extension Objects	95	=head2 Extension Objects
138		96
139	Very perl extension is a perl class. A separate perl object is created	97	Every perl extension is a perl class. A separate perl object is created
140	for each terminal and each extension and passed as the first parameter to	98	for each terminal, and each terminal has its own set of extension objects,
141	hooks. So extensions can use their C<$self> object without having to think	99	which are passed as the first parameter to hooks. So extensions can use
142	about other extensions, with the exception of methods and members that	100	their C<$self> object without having to think about clashes with other
		101	extensions or other terminals, with the exception of methods and members
143	begin with an underscore character C<_>: these are reserved for internal	102	that begin with an underscore character C<_>: these are reserved for
144	use.	103	internal use.
145		104
146	Although it isn't a C<urxvt::term> object, you can call all methods of the	105	Although it isn't a C<urxvt::term> object, you can call all methods of the
147	C<urxvt::term> class on this object.	106	C<urxvt::term> class on this object.
148		107
149	It has the following methods and data members:	108	Additional methods only supported for extension objects are described in
150		109	the C<urxvt::extension> section below.
151	=over 4
152
153	=item $urxvt_term = $self->{term}
154
155	Returns the C<urxvt::term> object associated with this instance of the
156	extension. This member I<must not> be changed in any way.
157
158	=item $self->enable ($hook_name => $cb, [$hook_name => $cb..])
159
160	Dynamically enable the given hooks (named without the C<on_> prefix) for
161	this extension, replacing any previous hook. This is useful when you want
162	to overwrite time-critical hooks only temporarily.
163
164	=item $self->disable ($hook_name[, $hook_name..])
165
166	Dynamically disable the given hooks.
167
168	=back
169		110
170	=head2 Hooks	111	=head2 Hooks
171		112
172	The following subroutines can be declared in extension files, and will be	113	The following subroutines can be declared in extension files, and will be
173	called whenever the relevant event happens.	114	called whenever the relevant event happens.
174		115
175	The first argument passed to them is an extension oject as described in	116	The first argument passed to them is an extension object as described in
176	the in the C<Extension Objects> section.	117	the in the C<Extension Objects> section.
177		118
178	B<All> of these hooks must return a boolean value. If it is true, then the	119	B<All> of these hooks must return a boolean value. If any of the called
179	event counts as being I<consumed>, and the invocation of other hooks is	120	hooks returns true, then the event counts as being I<consumed>, and the
180	skipped, and the relevant action might not be carried out by the C++ code.	121	relevant action might not be carried out by the C++ code.
181		122
182	I<< When in doubt, return a false value (preferably C<()>). >>	123	I<< When in doubt, return a false value (preferably C<()>). >>
183		124
184	=over 4	125	=over 4
185		126
186	=item on_init $term	127	=item on_init $term
187		128
188	Called after a new terminal object has been initialized, but before	129	Called after a new terminal object has been initialized, but before
189	windows are created or the command gets run. Most methods are unsafe to	130	windows are created or the command gets run. Most methods are unsafe to
190	call or deliver senseless data, as terminal size and other characteristics	131	call or deliver senseless data, as terminal size and other characteristics
191	have not yet been determined. You can safely query and change resources,	132	have not yet been determined. You can safely query and change resources
192	though.	133	and options, though. For many purposes the C<on_start> hook is a better
		134	place.
		135
		136	=item on_start $term
		137
		138	Called at the very end of initialisation of a new terminal, just before
		139	trying to map (display) the toplevel and returning to the main loop.
		140
		141	=item on_destroy $term
		142
		143	Called whenever something tries to destroy terminal, when the terminal is
		144	still fully functional (not for long, though).
193		145
194	=item on_reset $term	146	=item on_reset $term
195		147
196	Called after the screen is "reset" for any reason, such as resizing or	148	Called after the screen is "reset" for any reason, such as resizing or
197	control sequences. Here is where you can react on changes to size-related	149	control sequences. Here is where you can react on changes to size-related
198	variables.	150	variables.
199		151
200	=item on_start $term	152	=item on_child_start $term, $pid
201		153
202	Called at the very end of initialisation of a new terminal, just before	154	Called just after the child process has been C<fork>ed.
203	returning to the mainloop.	155
		156	=item on_child_exit $term, $status
		157
		158	Called just after the child process has exited. C<$status> is the status
		159	from C<waitpid>.
204		160
205	=item on_sel_make $term, $eventtime	161	=item on_sel_make $term, $eventtime
206		162
207	Called whenever a selection has been made by the user, but before the	163	Called whenever a selection has been made by the user, but before the
208	selection text is copied, so changes to the beginning, end or type of the	164	selection text is copied, so changes to the beginning, end or type of the
…		…
215		171
216	Called whenever a selection has been copied, but before the selection is	172	Called whenever a selection has been copied, but before the selection is
217	requested from the server. The selection text can be queried and changed	173	requested from the server. The selection text can be queried and changed
218	by calling C<< $term->selection >>.	174	by calling C<< $term->selection >>.
219		175
220	Returning a true value aborts selection grabbing. It will still be hilighted.	176	Returning a true value aborts selection grabbing. It will still be highlighted.
221		177
222	=item on_sel_extend $term	178	=item on_sel_extend $term
223		179
224	Called whenever the user tries to extend the selection (e.g. with a double	180	Called whenever the user tries to extend the selection (e.g. with a double
225	click) and is either supposed to return false (normal operation), or	181	click) and is either supposed to return false (normal operation), or
226	should extend the selection itelf and return true to suppress the built-in	182	should extend the selection itself and return true to suppress the built-in
227	processing.	183	processing. This can happen multiple times, as long as the callback
		184	returns true, it will be called on every further click by the user and is
		185	supposed to enlarge the selection more and more, if possible.
228		186
229	See the F<selection> example extension.	187	See the F<selection> example extension.
230		188
231	=item on_view_change $term, $offset	189	=item on_view_change $term, $offset
232		190
233	Called whenever the view offset changes, i..e the user or program	191	Called whenever the view offset changes, i.e. the user or program
234	scrolls. Offset C<0> means display the normal terminal, positive values	192	scrolls. Offset C<0> means display the normal terminal, positive values
235	show this many lines of scrollback.	193	show this many lines of scrollback.
236		194
237	=item on_scroll_back $term, $lines, $saved	195	=item on_scroll_back $term, $lines, $saved
238		196
…		…
242		200
243	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,	201	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,
244	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total	202	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total
245	number of lines that will be in the scrollback buffer.	203	number of lines that will be in the scrollback buffer.
246		204
247	=item on_osc_seq $term, $string	205	=item on_osc_seq $term, $op, $args, $resp
		206
		207	Called on every OSC sequence and can be used to suppress it or modify its
		208	behaviour. The default should be to return an empty list. A true value
		209	suppresses execution of the request completely. Make sure you don't get
		210	confused by recursive invocations when you output an OSC sequence within
		211	this callback.
		212
		213	C<on_osc_seq_perl> should be used for new behaviour.
		214
		215	=item on_osc_seq_perl $term, $args, $resp
248		216
249	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =	217	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
250	operating system command) is processed. Cursor position and other state	218	operating system command) is processed. Cursor position and other state
251	information is up-to-date when this happens. For interoperability, the	219	information is up-to-date when this happens. For interoperability, the
252	string should start with the extension name and a colon, to distinguish	220	string should start with the extension name (sans -osc) and a semicolon,
253	it from commands for other extensions, and this might be enforced in the	221	to distinguish it from commands for other extensions, and this might be
254	future.	222	enforced in the future.
		223
		224	For example, C<overlay-osc> uses this:
		225
		226	sub on_osc_seq_perl {
		227	my ($self, $osc, $resp) = @_;
		228
		229	return unless $osc =~ s/^overlay;//;
		230
		231	... process remaining $osc string
		232	}
255		233
256	Be careful not ever to trust (in a security sense) the data you receive,	234	Be careful not ever to trust (in a security sense) the data you receive,
257	as its source can not easily be controleld (e-mail content, messages from	235	as its source can not easily be controlled (e-mail content, messages from
258	other users on the same system etc.).	236	other users on the same system etc.).
		237
		238	For responses, C<$resp> contains the end-of-args separator used by the
		239	sender.
259		240
260	=item on_add_lines $term, $string	241	=item on_add_lines $term, $string
261		242
262	Called whenever text is about to be output, with the text as argument. You	243	Called whenever text is about to be output, with the text as argument. You
263	can filter/change and output the text yourself by returning a true value	244	can filter/change and output the text yourself by returning a true value
…		…
268	=item on_tt_write $term, $octets	249	=item on_tt_write $term, $octets
269		250
270	Called whenever some data is written to the tty/pty and can be used to	251	Called whenever some data is written to the tty/pty and can be used to
271	suppress or filter tty input.	252	suppress or filter tty input.
272		253
		254	=item on_tt_paste $term, $octets
		255
		256	Called whenever text is about to be pasted, with the text as argument. You
		257	can filter/change and paste the text yourself by returning a true value
		258	and calling C<< $term->tt_paste >> yourself. C<$octets> is
		259	locale-encoded.
		260
273	=item on_line_update $term, $row	261	=item on_line_update $term, $row
274		262
275	Called whenever a line was updated or changed. Can be used to filter	263	Called whenever a line was updated or changed. Can be used to filter
276	screen output (e.g. underline urls or other useless stuff). Only lines	264	screen output (e.g. underline urls or other useless stuff). Only lines
277	that are being shown will be filtered, and, due to performance reasons,	265	that are being shown will be filtered, and, due to performance reasons,
…		…
284	later with the already-modified line (e.g. if unrelated parts change), so	272	later with the already-modified line (e.g. if unrelated parts change), so
285	you cannot just toggle rendition bits, but only set them.	273	you cannot just toggle rendition bits, but only set them.
286		274
287	=item on_refresh_begin $term	275	=item on_refresh_begin $term
288		276
289	Called just before the screen gets redrawn. Can be used for overlay	277	Called just before the screen gets redrawn. Can be used for overlay or
290	or similar effects by modify terminal contents in refresh_begin, and	278	similar effects by modifying the terminal contents in refresh_begin, and
291	restoring them in refresh_end. The built-in overlay and selection display	279	restoring them in refresh_end. The built-in overlay and selection display
292	code is run after this hook, and takes precedence.	280	code is run after this hook, and takes precedence.
293		281
294	=item on_refresh_end $term	282	=item on_refresh_end $term
295		283
296	Called just after the screen gets redrawn. See C<on_refresh_begin>.	284	Called just after the screen gets redrawn. See C<on_refresh_begin>.
297		285
298	=item on_keyboard_command $term, $string	286	=item on_user_command $term, $string
299		287
300	Called whenever the user presses a key combination that has a	288	Called whenever a user-configured event is being activated (e.g. via
301	C<perl:string> action bound to it (see description of the B<keysym>	289	a C<perl:string> action bound to a key, see description of the B<keysym>
302	resource in the @@RXVT_NAME@@(1) manpage).	290	resource in the urxvt(1) manpage).
		291
		292	The event is simply the action string. This interface is assumed to change
		293	slightly in the future.
		294
		295	=item on_register_command $term, $keysym, $modifiermask, $string
		296
		297	Called after parsing a keysym resource but before registering the
		298	associated binding. If this hook returns TRUE the binding is not
		299	registered. It can be used to modify a binding by calling
		300	C<register_command>.
		301
		302	=item on_resize_all_windows $term, $new_width, $new_height
		303
		304	Called just after the new window size has been calculated, but before
		305	windows are actually being resized or hints are being set. If this hook
		306	returns TRUE, setting of the window hints is being skipped.
		307
		308	=item on_x_event $term, $event
		309
		310	Called on every X event received on the vt window (and possibly other
		311	windows). Should only be used as a last resort. Most event structure
		312	members are not passed.
		313
		314	=item on_root_event $term, $event
		315
		316	Like C<on_x_event>, but is called for events on the root window.
303		317
304	=item on_focus_in $term	318	=item on_focus_in $term
305		319
306	Called whenever the window gets the keyboard focus, before rxvt-unicode	320	Called whenever the window gets the keyboard focus, before rxvt-unicode
307	does focus in processing.	321	does focus in processing.
308		322
309	=item on_focus_out $term	323	=item on_focus_out $term
310		324
311	Called wheneever the window loses keyboard focus, before rxvt-unicode does	325	Called whenever the window loses keyboard focus, before rxvt-unicode does
312	focus out processing.	326	focus out processing.
313		327
		328	=item on_configure_notify $term, $event
		329
		330	=item on_property_notify $term, $event
		331
314	=item on_key_press $term, $event, $keysym, $octets	332	=item on_key_press $term, $event, $keysym, $octets
315		333
316	=item on_key_release $term, $event, $keysym	334	=item on_key_release $term, $event, $keysym
317		335
318	=item on_button_press $term, $event	336	=item on_button_press $term, $event
…		…
323		341
324	=item on_map_notify $term, $event	342	=item on_map_notify $term, $event
325		343
326	=item on_unmap_notify $term, $event	344	=item on_unmap_notify $term, $event
327		345
328	Called whenever the corresponding X event is received for the terminal If	346	Called whenever the corresponding X event is received for the terminal. If
329	the hook returns true, then the even will be ignored by rxvt-unicode.	347	the hook returns true, then the event will be ignored by rxvt-unicode.
330		348
331	The event is a hash with most values as named by Xlib (see the XEvent	349	The event is a hash with most values as named by Xlib (see the XEvent
332	manpage), with the additional members C<row> and C<col>, which are the row	350	manpage), with the additional members C<row> and C<col>, which are the
333	and column under the mouse cursor.	351	(real, not screen-based) row and column under the mouse cursor.
334		352
335	C<on_key_press> additionally receives the string rxvt-unicode would	353	C<on_key_press> additionally receives the string rxvt-unicode would
336	output, if any, in locale-specific encoding.	354	output, if any, in locale-specific encoding.
337		355
338	subwindow.	356	subwindow.
339		357
		358	=item on_client_message $term, $event
		359
		360	=item on_wm_protocols $term, $event
		361
		362	=item on_wm_delete_window $term, $event
		363
		364	Called when various types of ClientMessage events are received (all with
		365	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
		366
		367	=item on_bell $term
		368
		369	Called on receipt of a bell character.
		370
340	=back	371	=back
341		372
		373	=cut
		374
		375	package urxvt;
		376
		377	use utf8;
		378	use strict 'vars';
		379	use Carp ();
		380	use Scalar::Util ();
		381	use List::Util ();
		382
		383	our $VERSION = 1;
		384	our $TERM;
		385	our @TERM_INIT; # should go, prevents async I/O etc.
		386	our @TERM_EXT; # should go, prevents async I/O etc.
		387	our @HOOKNAME;
		388	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
		389	our %OPTION;
		390
		391	our $LIBDIR;
		392	our $RESNAME;
		393	our $RESCLASS;
		394	our $RXVTNAME;
		395
		396	our $NOCHAR = chr 0xffff;
		397
342	=head2 Variables in the C<urxvt> Package	398	=head2 Variables in the C<urxvt> Package
343		399
344	=over 4	400	=over 4
		401
		402	=item $urxvt::LIBDIR
		403
		404	The rxvt-unicode library directory, where, among other things, the perl
		405	modules and scripts are stored.
		406
		407	=item $urxvt::RESCLASS, $urxvt::RESCLASS
		408
		409	The resource class and name rxvt-unicode uses to look up X resources.
		410
		411	=item $urxvt::RXVTNAME
		412
		413	The basename of the installed binaries, usually C<urxvt>.
345		414
346	=item $urxvt::TERM	415	=item $urxvt::TERM
347		416
348	The current terminal. This variable stores the current C<urxvt::term>	417	The current terminal. This variable stores the current C<urxvt::term>
349	object, whenever a callback/hook is executing.	418	object, whenever a callback/hook is executing.
350		419
		420	=item @urxvt::TERM_INIT
		421
		422	All code references in this array will be called as methods of the next newly
		423	created C<urxvt::term> object (during the C<on_init> phase). The array
		424	gets cleared before the code references that were in it are being executed,
		425	so references can push themselves onto it again if they so desire.
		426
		427	This complements to the perl-eval command line option, but gets executed
		428	first.
		429
		430	=item @urxvt::TERM_EXT
		431
		432	Works similar to C<@TERM_INIT>, but contains perl package/class names, which
		433	get registered as normal extensions after calling the hooks in C<@TERM_INIT>
		434	but before other extensions. Gets cleared just like C<@TERM_INIT>.
		435
351	=back	436	=back
352		437
353	=head2 Functions in the C<urxvt> Package	438	=head2 Functions in the C<urxvt> Package
354		439
355	=over 4	440	=over 4
356		441
357	=item $term = new urxvt [arg...]
358
359	Creates a new terminal, very similar as if you had started it with
360	C<system $binfile, arg...>. Croaks (and probably outputs an error message)
361	if the new instance couldn't be created. Returns C<undef> if the new
362	instance didn't initialise perl, and the terminal object otherwise. The
363	C<init> and C<start> hooks will be called during the call.
364
365	=item urxvt::fatal $errormessage	442	=item urxvt::fatal $errormessage
366		443
367	Fatally aborts execution with the given error message. Avoid at all	444	Fatally aborts execution with the given error message (which should
368	costs! The only time this is acceptable is when the terminal process	445	include a trailing newline). Avoid at all costs! The only time this
369	starts up.	446	is acceptable (and useful) is in the init hook, where it prevents the
		447	terminal from starting up.
370		448
371	=item urxvt::warn $string	449	=item urxvt::warn $string
372		450
373	Calls C<rxvt_warn> with the given string which should not include a	451	Calls C<rxvt_warn> with the given string which should include a trailing
374	newline. The module also overwrites the C<warn> builtin with a function	452	newline. The module also overwrites the C<warn> builtin with a function
375	that calls this function.	453	that calls this function.
376		454
377	Using this function has the advantage that its output ends up in the	455	Using this function has the advantage that its output ends up in the
378	correct place, e.g. on stderr of the connecting urxvtc client.	456	correct place, e.g. on stderr of the connecting urxvtc client.
379		457
380	=item $is_safe = urxvt::safe	458	Messages have a size limit of 1023 bytes currently.
381		459
382	Returns true when it is safe to do potentially unsafe things, such as	460	=item @terms = urxvt::termlist
383	evaluating perl code specified by the user. This is true when urxvt was	461
384	started setuid or setgid.	462	Returns all urxvt::term objects that exist in this process, regardless of
		463	whether they are started, being destroyed etc., so be careful. Only term
		464	objects that have perl extensions attached will be returned (because there
		465	is no urxvt::term object associated with others).
385		466
386	=item $time = urxvt::NOW	467	=item $time = urxvt::NOW
387		468
388	Returns the "current time" (as per the event loop).	469	Returns the "current time" (as per the event loop).
389		470
390	=item urxvt::CurrentTime	471	=item urxvt::CurrentTime
391		472
392	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,	473	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
393	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,	474	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
394	Button4Mask, Button5Mask, AnyModifier	475	Button4Mask, Button5Mask, AnyModifier
		476
		477	=item urxvt::NoEventMask, KeyPressMask, KeyReleaseMask,
		478	ButtonPressMask, ButtonReleaseMask, EnterWindowMask, LeaveWindowMask,
		479	PointerMotionMask, PointerMotionHintMask, Button1MotionMask, Button2MotionMask,
		480	Button3MotionMask, Button4MotionMask, Button5MotionMask, ButtonMotionMask,
		481	KeymapStateMask, ExposureMask, VisibilityChangeMask, StructureNotifyMask,
		482	ResizeRedirectMask, SubstructureNotifyMask, SubstructureRedirectMask,
		483	FocusChangeMask, PropertyChangeMask, ColormapChangeMask, OwnerGrabButtonMask
		484
		485	=item urxvt::KeyPress, KeyRelease, ButtonPress, ButtonRelease, MotionNotify,
		486	EnterNotify, LeaveNotify, FocusIn, FocusOut, KeymapNotify, Expose,
		487	GraphicsExpose, NoExpose, VisibilityNotify, CreateNotify, DestroyNotify,
		488	UnmapNotify, MapNotify, MapRequest, ReparentNotify, ConfigureNotify,
		489	ConfigureRequest, GravityNotify, ResizeRequest, CirculateNotify,
		490	CirculateRequest, PropertyNotify, SelectionClear, SelectionRequest,
		491	SelectionNotify, ColormapNotify, ClientMessage, MappingNotify
395		492
396	Various constants for use in X calls and event processing.	493	Various constants for use in X calls and event processing.
397		494
398	=back	495	=back
399		496
…		…
416		513
417	=item $rend = urxvt::OVERLAY_RSTYLE	514	=item $rend = urxvt::OVERLAY_RSTYLE
418		515
419	Return the rendition mask used for overlays by default.	516	Return the rendition mask used for overlays by default.
420		517
421	=item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline	518	=item $rendbit = urxvt::RS_Bold, urxvt::RS_Italic, urxvt::RS_Blink,
		519	urxvt::RS_RVid, urxvt::RS_Uline
422		520
423	Return the bit that enabled bold, italic, blink, reverse-video and	521	Return the bit that enabled bold, italic, blink, reverse-video and
424	underline, respectively. To enable such a style, just logically OR it into	522	underline, respectively. To enable such a style, just logically OR it into
425	the bitset.	523	the bitset.
426		524
…		…
428		526
429	=item $background = urxvt::GET_BASEBG $rend	527	=item $background = urxvt::GET_BASEBG $rend
430		528
431	Return the foreground/background colour index, respectively.	529	Return the foreground/background colour index, respectively.
432		530
433	=item $rend = urxvt::SET_FGCOLOR ($rend, $new_colour)	531	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour
434		532
435	=item $rend = urxvt::SET_BGCOLOR ($rend, $new_colour)	533	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour
		534
		535	=item $rend = urxvt::SET_COLOR $rend, $new_fg, $new_bg
436		536
437	Replace the foreground/background colour in the rendition mask with the	537	Replace the foreground/background colour in the rendition mask with the
438	specified one.	538	specified one.
439		539
440	=item $value = urxvt::GET_CUSTOM ($rend)	540	=item $value = urxvt::GET_CUSTOM $rend
441		541
442	Return the "custom" value: Every rendition has 5 bits for use by	542	Return the "custom" value: Every rendition has 5 bits for use by
443	extensions. They can be set and changed as you like and are initially	543	extensions. They can be set and changed as you like and are initially
444	zero.	544	zero.
445		545
446	=item $rend = urxvt::SET_CUSTOM ($rend, $new_value)	546	=item $rend = urxvt::SET_CUSTOM $rend, $new_value
447		547
448	Change the custom value.	548	Change the custom value.
449		549
450	=back	550	=back
451		551
452	=cut	552	=cut
453		553
454	package urxvt;
455
456	use utf8;
457	use strict;
458	use Carp ();
459	use Scalar::Util ();
460	use List::Util ();
461
462	our $VERSION = 1;
463	our $TERM;
464	our @HOOKNAME;
465	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
466	our %OPTION;
467	our $LIBDIR;
468
469	BEGIN {	554	BEGIN {
470	urxvt->bootstrap;
471
472	# overwrite perl's warn	555	# overwrite perl's warn
473	*CORE::GLOBAL::warn = sub {	556	*CORE::GLOBAL::warn = sub {
474	my $msg = join "", @_;	557	my $msg = join "", @_;
475	$msg .= "\n"	558	$msg .= "\n"
476	unless $msg =~ /\n$/;	559	unless $msg =~ /\n$/;
477	urxvt::warn ($msg);	560	urxvt::warn ($msg);
478	};	561	};
479
480	delete $ENV{IFS};
481	delete $ENV{CDPATH};
482	delete $ENV{BASH_ENV};
483	$ENV{PATH} = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin:/opt/sbin";
484	}	562	}
485		563
486	my @hook_count;	564	no warnings 'utf8';
		565
		566	sub parse_resource {
		567	my ($term, $name, $isarg, $longopt, $flag, $value) = @_;
		568
		569	$name =~ y/-/./ if $isarg;
		570
		571	$term->scan_meta;
		572
		573	my $r = $term->{meta}{resource};
		574	keys %$r; # reset iterator
		575	while (my ($pattern, $v) = each %$r) {
		576	if (
		577	$pattern =~ /\.$/
		578	? $pattern eq substr $name, 0, length $pattern
		579	: $pattern eq $name
		580	) {
		581	$name = "$urxvt::RESCLASS.$name";
		582
		583	push @{ $term->{perl_ext_3} }, $v->[0];
		584
		585	if ($v->[1] eq "boolean") {
		586	$term->put_option_db ($name, $flag ? "true" : "false");
		587	return 1;
		588	} else {
		589	$term->put_option_db ($name, $value);
		590	return 1 + 2;
		591	}
		592	}
		593	}
		594
		595	0
		596	}
		597
		598	sub usage {
		599	my ($term, $usage_type) = @_;
		600
		601	$term->scan_meta;
		602
		603	my $r = $term->{meta}{resource};
		604
		605	for my $pattern (sort keys %$r) {
		606	my ($ext, $type, $desc) = @{ $r->{$pattern} };
		607
		608	$desc .= " (-pe $ext)";
		609
		610	if ($usage_type == 1) {
		611	$pattern =~ y/./-/;
		612	$pattern =~ s/-$/-.../g;
		613
		614	if ($type eq "boolean") {
		615	urxvt::log sprintf " -%-30s %s\n", "/+$pattern", $desc;
		616	} else {
		617	urxvt::log sprintf " -%-30s %s\n", "$pattern $type", $desc;
		618	}
		619	} else {
		620	$pattern =~ s/\.$/.*/g;
		621	urxvt::log sprintf " %-31s %s\n", "$pattern:", $type;
		622	}
		623	}
		624	}
		625
487	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};	626	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
488		627
489	sub verbose {	628	sub verbose {
490	my ($level, $msg) = @_;	629	my ($level, $msg) = @_;
491	warn "$msg\n" if $level <= $verbosity;	630	warn "$msg\n" if $level <= $verbosity;
492	}	631	}
493		632
494	my $extension_pkg = "extension0000";
495	my %extension_pkg;	633	my %extension_pkg;
496		634
497	# load a single script into its own package, once only	635	# load a single script into its own package, once only
498	sub extension_package($) {	636	sub extension_package($) {
499	my ($path) = @_;	637	my ($path) = @_;
500		638
501	$extension_pkg{$path} ||= do {	639	$extension_pkg{$path} ||= do {
502	my $pkg = "urxvt::" . ($extension_pkg++);	640	$path =~ /([^\/\\]+)$/;
		641	my $pkg = $1;
		642	$pkg =~ s/[^[:word:]]/_/g;
		643	$pkg = "urxvt::ext::$pkg";
503		644
504	verbose 3, "loading extension '$path' into package '$pkg'";	645	verbose 3, "loading extension '$path' into package '$pkg'";
		646
		647	(${"$pkg\::_NAME"} = $path) =~ s/^.*[\\\/]//; # hackish
505		648
506	open my $fh, "<:raw", $path	649	open my $fh, "<:raw", $path
507	or die "$path: $!";	650	or die "$path: $!";
508		651
509	my $source = untaint	652	my $source =
510	"package $pkg; use strict; use utf8;\n"	653	"package $pkg; use strict 'vars'; use utf8; no warnings 'utf8';\n"
511	. "use base urxvt::term::extension::;\n"
512	. "#line 1 \"$path\"\n{\n"	654	. "#line 1 \"$path\"\n{\n"
513	. (do { local $/; <$fh> })	655	. (do { local $/; <$fh> })
514	. "\n};\n1";	656	. "\n};\n1";
515		657
516	eval $source	658	eval $source
…		…
526	sub invoke {	668	sub invoke {
527	local $TERM = shift;	669	local $TERM = shift;
528	my $htype = shift;	670	my $htype = shift;
529		671
530	if ($htype == 0) { # INIT	672	if ($htype == 0) { # INIT
531	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");	673	my @dirs = $TERM->perl_libdirs;
532		674
533	my %ext_arg;	675	my %ext_arg;
534		676
		677	{
		678	my @init = @TERM_INIT;
		679	@TERM_INIT = ();
		680	$_->($TERM) for @init;
		681	my @pkg = @TERM_EXT;
		682	@TERM_EXT = ();
		683	$TERM->register_package ($_) for @pkg;
		684	}
		685
		686	for (
		687	@{ delete $TERM->{perl_ext_3} },
535	for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {	688	grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2
		689	) {
536	if ($_ eq "default") {	690	if ($_ eq "default") {
537	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback);	691	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline);
538	} elsif (/^-(.*)$/) {	692	} elsif (/^-(.*)$/) {
539	delete $ext_arg{$1};	693	delete $ext_arg{$1};
540	} elsif (/^([^<]+)<(.*)>$/) {	694	} elsif (/^([^<]+)<(.*)>$/) {
541	push @{ $ext_arg{$1} }, $2;	695	push @{ $ext_arg{$1} }, $2;
542	} else {	696	} else {
543	$ext_arg{$_} ||= [];	697	$ext_arg{$_} ||= [];
544	}	698	}
545	}	699	}
546		700
547	while (my ($ext, $argv) = each %ext_arg) {	701	for my $ext (sort keys %ext_arg) {
548	my @files = grep -f $_, map "$_/$ext", @dirs;	702	my @files = grep -f $_, map "$_/$ext", @dirs;
549		703
550	if (@files) {	704	if (@files) {
551	$TERM->register_package (extension_package $files[0], $argv);	705	$TERM->register_package (extension_package $files[0], $ext_arg{$ext});
552	} else {	706	} else {
553	warn "perl extension '$ext' not found in perl library search path\n";	707	warn "perl extension '$ext' not found in perl library search path\n";
554	}	708	}
555	}	709	}
556		710
…		…
562		716
563	if (my $cb = $TERM->{_hook}[$htype]) {	717	if (my $cb = $TERM->{_hook}[$htype]) {
564	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"	718	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
565	if $verbosity >= 10;	719	if $verbosity >= 10;
566		720
567	keys %$cb;	721	for my $pkg (keys %$cb) {
568
569	while (my ($pkg, $cb) = each %$cb) {
570	$retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) }	722	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg} || $TERM, @_) };
571	and last;	723	$retval ||= $retval_;
572		724
573	if ($@) {	725	if ($@) {
574	$TERM->ungrab; # better to lose the grab than the session	726	$TERM->ungrab; # better to lose the grab than the session
575	warn $@;	727	warn $@;
576	}	728	}
577	}	729	}
		730
		731	verbose 11, "$HOOKNAME[$htype] returning <$retval>"
		732	if $verbosity >= 11;
578	}	733	}
579		734
580	if ($htype == 1) { # DESTROY	735	if ($htype == 1) { # DESTROY
581	if (my $hook = delete $TERM->{_hook}) {
582	for my $htype (0..$#$hook) {
583	$hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
584	or set_should_invoke $htype, 0;
585	}
586	}
587
588	# clear package objects	736	# clear package objects
589	%$_ = () for values %{ $TERM->{_pkg} };	737	%$_ = () for values %{ $TERM->{_pkg} };
590		738
591	# clear package	739	# clear package
592	%$TERM = ();	740	%$TERM = ();
593	}	741	}
594		742
595	$retval	743	$retval
596	}	744	}
597		745
598	# urxvt::term::extension	746	sub SET_COLOR($$$) {
		747	SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
		748	}
599		749
600	package urxvt::term::extension;	750	sub rend2mask {
601		751	no strict 'refs';
602	sub enable {	752	my ($str, $mask) = (@_, 0);
603	my ($self, %hook) = @_;	753	my %color = ( fg => undef, bg => undef );
604	my $pkg = $self->{_pkg};	754	my @failed;
605		755	for my $spec ( split /\s+/, $str ) {
606	while (my ($name, $cb) = each %hook) {	756	if ( $spec =~ /^([fb]g)[_:-]?(\d+)/i ) {
607	my $htype = $HOOKTYPE{uc $name};	757	$color{lc($1)} = $2;
608	defined $htype	758	} else {
609	or Carp::croak "unsupported hook type '$name'";	759	my $neg = $spec =~ s/^[-^]//;
610		760	unless ( exists &{"RS_$spec"} ) {
611	unless (exists $self->{term}{_hook}[$htype]{$pkg}) {	761	push @failed, $spec;
612	$hook_count[$htype]++	762	next;
613	or urxvt::set_should_invoke $htype, 1;
614	}	763	}
615		764	my $cur = &{"RS_$spec"};
616	$self->{term}{_hook}[$htype]{$pkg} = $cb;	765	if ( $neg ) {
617	}	766	$mask &= ~$cur;
618	}	767	} else {
619		768	$mask |= $cur;
620	sub disable {	769	}
621	my ($self, @hook) = @_;
622	my $pkg = $self->{_pkg};
623
624	for my $name (@hook) {
625	my $htype = $HOOKTYPE{uc $name};
626	defined $htype
627	or Carp::croak "unsupported hook type '$name'";
628
629	if (delete $self->{term}{_hook}[$htype]{$pkg}) {
630	--$hook_count[$htype]
631	or urxvt::set_should_invoke $htype, 0;
632	}	770	}
633	}	771	}
		772	($mask, @color{qw(fg bg)}, \@failed)
634	}	773	}
		774
		775	package urxvt::term::extension;
		776
		777	=head2 The C<urxvt::term::extension> class
		778
		779	Each extension attached to a terminal object is represented by
		780	a C<urxvt::term::extension> object.
		781
		782	You can use these objects, which are passed to all callbacks to store any
		783	state related to the terminal and extension instance.
		784
		785	The methods (And data members) documented below can be called on extension
		786	objects, in addition to call methods documented for the <urxvt::term>
		787	class.
		788
		789	=over 4
		790
		791	=item $urxvt_term = $self->{term}
		792
		793	Returns the C<urxvt::term> object associated with this instance of the
		794	extension. This member I<must not> be changed in any way.
		795
		796	=cut
635		797
636	our $AUTOLOAD;	798	our $AUTOLOAD;
637		799
638	sub AUTOLOAD {	800	sub AUTOLOAD {
639	$AUTOLOAD =~ /:([^:]+)$/	801	$AUTOLOAD =~ /:([^:]+)$/
…		…
652		814
653	sub DESTROY {	815	sub DESTROY {
654	# nop	816	# nop
655	}	817	}
656		818
657	# urxvt::destroy_hook	819	# urxvt::destroy_hook (basically a cheap Guard:: implementation)
658		820
659	sub urxvt::destroy_hook::DESTROY {	821	sub urxvt::destroy_hook::DESTROY {
660	${$_[0]}->();	822	${$_[0]}->();
661	}	823	}
662		824
663	sub urxvt::destroy_hook(&) {	825	sub urxvt::destroy_hook(&) {
664	bless \shift, urxvt::destroy_hook::	826	bless \shift, urxvt::destroy_hook::
665	}	827	}
666		828
		829	=item $self->enable ($hook_name => $cb[, $hook_name => $cb..])
		830
		831	Dynamically enable the given hooks (named without the C<on_> prefix) for
		832	this extension, replacing any previous hook. This is useful when you want
		833	to overwrite time-critical hooks only temporarily.
		834
		835	To install additional callbacks for the same hook, you can use the C<on>
		836	method of the C<urxvt::term> class.
		837
		838	=item $self->disable ($hook_name[, $hook_name..])
		839
		840	Dynamically disable the given hooks.
		841
		842	=cut
		843
		844	sub enable {
		845	my ($self, %hook) = @_;
		846	my $pkg = $self->{_pkg};
		847
		848	while (my ($name, $cb) = each %hook) {
		849	my $htype = $HOOKTYPE{uc $name};
		850	defined $htype
		851	or Carp::croak "unsupported hook type '$name'";
		852
		853	$self->set_should_invoke ($htype, +1)
		854	unless exists $self->{term}{_hook}[$htype]{$pkg};
		855
		856	$self->{term}{_hook}[$htype]{$pkg} = $cb;
		857	}
		858	}
		859
		860	sub disable {
		861	my ($self, @hook) = @_;
		862	my $pkg = $self->{_pkg};
		863
		864	for my $name (@hook) {
		865	my $htype = $HOOKTYPE{uc $name};
		866	defined $htype
		867	or Carp::croak "unsupported hook type '$name'";
		868
		869	$self->set_should_invoke ($htype, -1)
		870	if delete $self->{term}{_hook}[$htype]{$pkg};
		871	}
		872	}
		873
		874	=item $guard = $self->on ($hook_name => $cb[, $hook_name => $cb..])
		875
		876	Similar to the C<enable> enable, but installs additional callbacks for
		877	the given hook(s) (that is, it doesn't replace existing callbacks), and
		878	returns a guard object. When the guard object is destroyed the callbacks
		879	are disabled again.
		880
		881	=cut
		882
		883	sub urxvt::extension::on_disable::DESTROY {
		884	my $disable = shift;
		885
		886	my $term = delete $disable->{""};
		887
		888	while (my ($htype, $id) = each %$disable) {
		889	delete $term->{_hook}[$htype]{$id};
		890	$term->set_should_invoke ($htype, -1);
		891	}
		892	}
		893
		894	sub on {
		895	my ($self, %hook) = @_;
		896
		897	my $term = $self->{term};
		898
		899	my %disable = ( "" => $term );
		900
		901	while (my ($name, $cb) = each %hook) {
		902	my $htype = $HOOKTYPE{uc $name};
		903	defined $htype
		904	or Carp::croak "unsupported hook type '$name'";
		905
		906	$term->set_should_invoke ($htype, +1);
		907	$term->{_hook}[$htype]{ $disable{$htype} = $cb+0 }
		908	= sub { shift; $cb->($self, @_) }; # very ugly indeed
		909	}
		910
		911	bless \%disable, "urxvt::extension::on_disable"
		912	}
		913
		914	=item $self->x_resource ($pattern)
		915
		916	=item $self->x_resource_boolean ($pattern)
		917
		918	These methods support an additional C<%> prefix when called on an
		919	extension object - see the description of these methods in the
		920	C<urxvt::term> class for details.
		921
		922	=cut
		923
		924	sub x_resource {
		925	my ($self, $name) = @_;
		926	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		927	$self->{term}->x_resource ($name)
		928	}
		929
		930	sub x_resource_boolean {
		931	my ($self, $name) = @_;
		932	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		933	$self->{term}->x_resource_boolean ($name)
		934	}
		935
		936	=back
		937
		938	=cut
		939
667	package urxvt::anyevent;	940	package urxvt::anyevent;
668		941
669	=head2 The C<urxvt::anyevent> Class	942	=head2 The C<urxvt::anyevent> Class
670		943
671	The sole purpose of this class is to deliver an interface to the	944	The sole purpose of this class is to deliver an interface to the
672	C<AnyEvent> module - any module using it will work inside urxvt without	945	C<AnyEvent> module - any module using it will work inside urxvt without
673	further work. The only exception is that you cannot wait on condition	946	further programming. The only exception is that you cannot wait on
674	variables, but non-blocking condvar use is ok. What this means is that you	947	condition variables, but non-blocking condvar use is ok.
675	cannot use blocking APIs, but the non-blocking variant should work.
676		948
677	=cut	949	In practical terms this means is that you cannot use blocking APIs, but
		950	the non-blocking variant should work.
678		951
		952	=cut
		953
679	our $VERSION = 1;	954	our $VERSION = '5.23';
680		955
681	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there	956	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
682	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];	957	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
683		958
684	sub timer {	959	sub timer {
…		…
686		961
687	my $cb = $arg{cb};	962	my $cb = $arg{cb};
688		963
689	urxvt::timer	964	urxvt::timer
690	->new	965	->new
691	->start (urxvt::NOW + $arg{after})	966	->after ($arg{after}, $arg{interval})
692	->cb (sub {	967	->cb ($arg{interval} ? $cb : sub {
693	$_[0]->stop; # need to cancel manually	968	$_[0]->stop; # need to cancel manually
694	$cb->();	969	$cb->();
695	})	970	})
696	}	971	}
697		972
698	sub io {	973	sub io {
699	my ($class, %arg) = @_;	974	my ($class, %arg) = @_;
700		975
701	my $cb = $arg{cb};	976	my $cb = $arg{cb};
		977	my $fd = fileno $arg{fh};
		978	defined $fd or $fd = $arg{fh};
702		979
703	bless [$arg{fh}, urxvt::iow	980	bless [$arg{fh}, urxvt::iow
704	->new	981	->new
705	->fd (fileno $arg{fh})	982	->fd ($fd)
706	->events (($arg{poll} =~ /r/ ? 1 : 0)	983	->events (($arg{poll} =~ /r/ ? 1 : 0)
707	| ($arg{poll} =~ /w/ ? 2 : 0))	984	| ($arg{poll} =~ /w/ ? 2 : 0))
708	->start	985	->start
709	->cb (sub {	986	->cb ($cb)
710	$cb->(($_[1] & 1 ? 'r' : '')
711	. ($_[1] & 2 ? 'w' : ''));
712	})],
713	urxvt::anyevent::	987	], urxvt::anyevent::
		988	}
		989
		990	sub idle {
		991	my ($class, %arg) = @_;
		992
		993	my $cb = $arg{cb};
		994
		995	urxvt::iw
		996	->new
		997	->start
		998	->cb ($cb)
		999	}
		1000
		1001	sub child {
		1002	my ($class, %arg) = @_;
		1003
		1004	my $cb = $arg{cb};
		1005
		1006	urxvt::pw
		1007	->new
		1008	->start ($arg{pid})
		1009	->cb (sub {
		1010	$_[0]->stop; # need to cancel manually
		1011	$cb->($_[0]->rpid, $_[0]->rstatus);
		1012	})
714	}	1013	}
715		1014
716	sub DESTROY {	1015	sub DESTROY {
717	$_[0][1]->stop;	1016	$_[0][1]->stop;
718	}	1017	}
719		1018
720	sub condvar {	1019	# only needed for AnyEvent < 6 compatibility
721	bless \my $flag, urxvt::anyevent::condvar::	1020	sub one_event {
722	}
723
724	sub urxvt::anyevent::condvar::broadcast {
725	${$_[0]}++;
726	}
727
728	sub urxvt::anyevent::condvar::wait {
729	unless (${$_[0]}) {
730	Carp::croak "AnyEvent->condvar blocking wait unsupported in urxvt, use a non-blocking API";	1021	Carp::croak "AnyEvent->one_event blocking wait unsupported in urxvt, use a non-blocking API";
731	}
732	}	1022	}
733		1023
734	package urxvt::term;	1024	package urxvt::term;
735		1025
736	=head2 The C<urxvt::term> Class	1026	=head2 The C<urxvt::term> Class
…		…
742	# find on_xxx subs in the package and register them	1032	# find on_xxx subs in the package and register them
743	# as hooks	1033	# as hooks
744	sub register_package {	1034	sub register_package {
745	my ($self, $pkg, $argv) = @_;	1035	my ($self, $pkg, $argv) = @_;
746		1036
		1037	no strict 'refs';
		1038
		1039	urxvt::verbose 6, "register package $pkg to $self";
		1040
		1041	@{"$pkg\::ISA"} = urxvt::term::extension::;
		1042
747	my $proxy = bless {	1043	my $proxy = bless {
748	_pkg => $pkg,	1044	_pkg => $pkg,
		1045	_name => ${"$pkg\::_NAME"}, # hackish
749	argv => $argv,	1046	argv => $argv,
750	}, $pkg;	1047	}, $pkg;
751	Scalar::Util::weaken ($proxy->{term} = $self);	1048	Scalar::Util::weaken ($proxy->{term} = $self);
752		1049
753	$self->{_pkg}{$pkg} = $proxy;	1050	$self->{_pkg}{$pkg} = $proxy;
754		1051
…		…
757	$proxy->enable ($name => $ref);	1054	$proxy->enable ($name => $ref);
758	}	1055	}
759	}	1056	}
760	}	1057	}
761		1058
		1059	sub perl_libdirs {
		1060	map { split /:/ }
		1061	$_[0]->resource ("perl_lib"),
		1062	$ENV{URXVT_PERL_LIB},
		1063	"$ENV{HOME}/.urxvt/ext",
		1064	"$LIBDIR/perl"
		1065	}
		1066
		1067	sub scan_meta {
		1068	my ($self) = @_;
		1069	my @libdirs = perl_libdirs $self;
		1070
		1071	return if $self->{meta_libdirs} eq join "\x00", @libdirs;
		1072
		1073	my %meta;
		1074
		1075	$self->{meta_libdirs} = join "\x00", @libdirs;
		1076	$self->{meta} = \%meta;
		1077
		1078	for my $dir (reverse @libdirs) {
		1079	opendir my $fh, $dir
		1080	or next;
		1081	for my $ext (readdir $fh) {
		1082	$ext !~ /^\./
		1083	and open my $fh, "<", "$dir/$ext"
		1084	or next;
		1085
		1086	while (<$fh>) {
		1087	if (/^#:META:X_RESOURCE:(.*)/) {
		1088	my ($pattern, $type, $desc) = split /:/, $1;
		1089	$pattern =~ s/^%(\.|$)/$ext$1/g; # % in pattern == extension name
		1090	if ($pattern =~ /[^a-zA-Z0-9\-\.]/) {
		1091	warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n";
		1092	} else {
		1093	$meta{resource}{$pattern} = [$ext, $type, $desc];
		1094	}
		1095	} elsif (/^\s*(?:#|$)/) {
		1096	# skip other comments and empty lines
		1097	} else {
		1098	last; # stop parsing on first non-empty non-comment line
		1099	}
		1100	}
		1101	}
		1102	}
		1103	}
		1104
		1105	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
		1106
		1107	Creates a new terminal, very similar as if you had started it with system
		1108	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
		1109	hash which defines the environment of the new terminal.
		1110
		1111	Croaks (and probably outputs an error message) if the new instance
		1112	couldn't be created. Returns C<undef> if the new instance didn't
		1113	initialise perl, and the terminal object otherwise. The C<init> and
		1114	C<start> hooks will be called before this call returns, and are free to
		1115	refer to global data (which is race free).
		1116
		1117	=cut
		1118
		1119	sub new {
		1120	my ($class, $env, @args) = @_;
		1121
		1122	$env or Carp::croak "environment hash missing in call to urxvt::term->new";
		1123	@args or Carp::croak "name argument missing in call to urxvt::term->new";
		1124
		1125	_new ([ map "$_=$env->{$_}", keys %$env ], \@args);
		1126	}
		1127
762	=item $term->destroy	1128	=item $term->destroy
763		1129
764	Destroy the terminal object (close the window, free resources etc.).	1130	Destroy the terminal object (close the window, free resources
		1131	etc.). Please note that urxvt will not exit as long as any event
		1132	watchers (timers, io watchers) are still active.
		1133
		1134	=item $term->exec_async ($cmd[, @args])
		1135
		1136	Works like the combination of the C<fork>/C<exec> builtins, which executes
		1137	("starts") programs in the background. This function takes care of setting
		1138	the user environment before exec'ing the command (e.g. C<PATH>) and should
		1139	be preferred over explicit calls to C<exec> or C<system>.
		1140
		1141	Returns the pid of the subprocess or C<undef> on error.
		1142
		1143	=cut
		1144
		1145	sub exec_async {
		1146	my $self = shift;
		1147
		1148	my $pid = fork;
		1149
		1150	return $pid
		1151	if !defined $pid or $pid;
		1152
		1153	%ENV = %{ $self->env };
		1154
		1155	exec @_;
		1156	urxvt::_exit 255;
		1157	}
765		1158
766	=item $isset = $term->option ($optval[, $set])	1159	=item $isset = $term->option ($optval[, $set])
767		1160
768	Returns true if the option specified by C<$optval> is enabled, and	1161	Returns true if the option specified by C<$optval> is enabled, and
769	optionally change it. All option values are stored by name in the hash	1162	optionally change it. All option values are stored by name in the hash
770	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.	1163	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
771		1164
772	Here is a a likely non-exhaustive list of option names, please see the	1165	Here is a likely non-exhaustive list of option names, please see the
773	source file F</src/optinc.h> to see the actual list:	1166	source file F</src/optinc.h> to see the actual list:
774		1167
775	borderLess console cursorBlink cursorUnderline hold iconic insecure	1168	borderLess buffered console cursorBlink cursorUnderline hold iconic
776	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage	1169	insecure intensityStyles iso14755 iso14755_52 jumpScroll loginShell
		1170	mapAlert meta8 mouseWheelScrollPage override_redirect pastableTabs
777	pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating	1171	pointerBlank reverseVideo scrollBar scrollBar_floating scrollBar_right
778	scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer	1172	scrollTtyKeypress scrollTtyOutput scrollWithBuffer secondaryScreen
779	secondaryScreen secondaryScroll skipBuiltinGlyphs transparent	1173	secondaryScroll skipBuiltinGlyphs skipScroll transparent tripleclickwords
780	tripleclickwords utmpInhibit visualBell	1174	urgentOnBell utmpInhibit visualBell
781		1175
782	=item $value = $term->resource ($name[, $newval])	1176	=item $value = $term->resource ($name[, $newval])
783		1177
784	Returns the current resource value associated with a given name and	1178	Returns the current resource value associated with a given name and
785	optionally sets a new value. Setting values is most useful in the C<init>	1179	optionally sets a new value. Setting values is most useful in the C<init>
…		…
794	likely change).	1188	likely change).
795		1189
796	Please note that resource strings will currently only be freed when the	1190	Please note that resource strings will currently only be freed when the
797	terminal is destroyed, so changing options frequently will eat memory.	1191	terminal is destroyed, so changing options frequently will eat memory.
798		1192
799	Here is a a likely non-exhaustive list of resource names, not all of which	1193	Here is a likely non-exhaustive list of resource names, not all of which
800	are supported in every build, please see the source file F</src/rsinc.h>	1194	are supported in every build, please see the source file F</src/rsinc.h>
801	to see the actual list:	1195	to see the actual list:
802		1196
803	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont	1197	answerbackstring backgroundPixmap backspace_key blurradius
804	borderLess color cursorBlink cursorUnderline cutchars delete_key	1198	boldFont boldItalicFont borderLess buffered chdir color cursorBlink
805	display_name embed ext_bwidth fade font geometry hold iconName	1199	cursorUnderline cutchars delete_key depth display_name embed ext_bwidth
806	imFont imLocale inputMethod insecure int_bwidth intensityStyles	1200	fade font geometry hold iconName iconfile imFont imLocale inputMethod
		1201	insecure int_bwidth intensityStyles iso14755 iso14755_52 italicFont
807	italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier	1202	jumpScroll letterSpace lineSpace loginShell mapAlert meta8 modifier
808	mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2	1203	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
809	perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd	1204	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
810	reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating	1205	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
811	scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput	1206	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
812	scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle	1207	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
813	shade term_name title transparent transparent_all tripleclickwords	1208	secondaryScreen secondaryScroll shade skipBuiltinGlyphs skipScroll
		1209	term_name title transient_for transparent tripleclickwords urgentOnBell
814	utmpInhibit visualBell	1210	utmpInhibit visualBell
815		1211
816	=cut	1212	=cut
817		1213
818	sub resource($$;$) {	1214	sub resource($$;$) {
819	my ($self, $name) = (shift, shift);	1215	my ($self, $name) = (shift, shift);
820	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);	1216	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
821	&urxvt::term::_resource	1217	goto &urxvt::term::_resource
822	}	1218	}
823		1219
824	=item $success = $term->parse_keysym ($keysym_spec, $command_string)	1220	=item $value = $term->x_resource ($pattern)
825		1221
		1222	Returns the X-Resource for the given pattern, excluding the program or
		1223	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
		1224	same value as used by this instance of rxvt-unicode. Returns C<undef> if no
		1225	resource with that pattern exists.
		1226
		1227	Extensions that define extra resource or command line arguments also need
		1228	to call this method to access their values.
		1229
		1230	If the method is called on an extension object (basically, from an
		1231	extension), then the special prefix C<%.> will be replaced by the name of
		1232	the extension and a dot, and the lone string C<%> will be replaced by the
		1233	extension name itself. This makes it possible to code extensions so you
		1234	can rename them and get a new set of commandline switches and resources
		1235	without having to change the actual code.
		1236
		1237	This method should only be called during the C<on_start> hook, as there is
		1238	only one resource database per display, and later invocations might return
		1239	the wrong resources.
		1240
		1241	=item $value = $term->x_resource_boolean ($pattern)
		1242
		1243	Like C<x_resource>, above, but interprets the string value as a boolean
		1244	and returns C<1> for true values, C<0> for false values and C<undef> if
		1245	the resource or option isn't specified.
		1246
		1247	You should always use this method to parse boolean resources.
		1248
		1249	=cut
		1250
		1251	sub x_resource_boolean {
		1252	my $res = &x_resource;
		1253
		1254	$res =~ /^\s*(?:true|yes|on|1)\s*$/i ? 1 : defined $res && 0
		1255	}
		1256
		1257	=item $success = $term->parse_keysym ($key, $octets)
		1258
826	Adds a keymap translation exactly as specified via a resource. See the	1259	Adds a key binding exactly as specified via a resource. See the
827	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.	1260	C<keysym> resource in the urxvt(1) manpage.
		1261
		1262	=item $term->register_command ($keysym, $modifiermask, $string)
		1263
		1264	Adds a key binding. This is a lower level api compared to
		1265	C<parse_keysym>, as it expects a parsed key description, and can be
		1266	used only inside either the C<on_init> hook, to add a binding, or the
		1267	C<on_register_command> hook, to modify a parsed binding.
828		1268
829	=item $rend = $term->rstyle ([$new_rstyle])	1269	=item $rend = $term->rstyle ([$new_rstyle])
830		1270
831	Return and optionally change the current rendition. Text that is output by	1271	Return and optionally change the current rendition. Text that is output by
832	the terminal application will use this style.	1272	the terminal application will use this style.
…		…
840		1280
841	=item ($row, $col) = $term->selection_beg ([$row, $col])	1281	=item ($row, $col) = $term->selection_beg ([$row, $col])
842		1282
843	=item ($row, $col) = $term->selection_end ([$row, $col])	1283	=item ($row, $col) = $term->selection_end ([$row, $col])
844		1284
845	Return the current values of the selection mark, begin or end positions,	1285	Return the current values of the selection mark, begin or end positions.
846	and optionally set them to new values.
847		1286
		1287	When arguments are given, then the selection coordinates are set to
		1288	C<$row> and C<$col>, and the selection screen is set to the current
		1289	screen.
		1290
		1291	=item $screen = $term->selection_screen ([$screen])
		1292
		1293	Returns the current selection screen, and then optionally sets it.
		1294
		1295	=item $term->selection_make ($eventtime[, $rectangular])
		1296
		1297	Tries to make a selection as set by C<selection_beg> and
		1298	C<selection_end>. If C<$rectangular> is true (default: false), a
		1299	rectangular selection will be made. This is the preferred function to make
		1300	a selection.
		1301
848	=item $success = $term->selection_grab ($eventtime)	1302	=item $success = $term->selection_grab ($eventtime[, $clipboard])
849		1303
850	Try to request the primary selection from the server (for example, as set	1304	Try to acquire ownership of the primary (clipboard if C<$clipboard> is
851	by the next method).	1305	true) selection from the server. The corresponding text can be set
		1306	with the next method. No visual feedback will be given. This function
		1307	is mostly useful from within C<on_sel_grab> hooks.
852		1308
853	=item $oldtext = $term->selection ([$newtext])	1309	=item $oldtext = $term->selection ([$newtext, $clipboard])
854		1310
855	Return the current selection text and optionally replace it by C<$newtext>.	1311	Return the current selection (clipboard if C<$clipboard> is true) text
		1312	and optionally replace it by C<$newtext>.
		1313
		1314	=item $term->selection_clear ([$clipboard])
		1315
		1316	Revoke ownership of the primary (clipboard if C<$clipboard> is true) selection.
856		1317
857	=item $term->overlay_simple ($x, $y, $text)	1318	=item $term->overlay_simple ($x, $y, $text)
858		1319
859	Create a simple multi-line overlay box. See the next method for details.	1320	Create a simple multi-line overlay box. See the next method for details.
860		1321
…		…
890		1351
891	The methods currently supported on C<urxvt::overlay> objects are:	1352	The methods currently supported on C<urxvt::overlay> objects are:
892		1353
893	=over 4	1354	=over 4
894		1355
895	=item $overlay->set ($x, $y, $text, $rend)	1356	=item $overlay->set ($x, $y, $text[, $rend])
896		1357
897	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts	1358	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts
898	text in rxvt-unicode's special encoding and an array of rendition values	1359	text in rxvt-unicode's special encoding and an array of rendition values
899	at a specific position inside the overlay.	1360	at a specific position inside the overlay.
		1361
		1362	If C<$rend> is missing, then the rendition will not be changed.
900		1363
901	=item $overlay->hide	1364	=item $overlay->hide
902		1365
903	If visible, hide the overlay, but do not destroy it.	1366	If visible, hide the overlay, but do not destroy it.
904		1367
…		…
949	Convert the given locale-encoded octets into a perl string.	1412	Convert the given locale-encoded octets into a perl string.
950		1413
951	=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])	1414	=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])
952		1415
953	XORs the rendition values in the given span with the provided value	1416	XORs the rendition values in the given span with the provided value
954	(default: C<RS_RVid>). Useful in refresh hooks to provide effects similar	1417	(default: C<RS_RVid>), which I<MUST NOT> contain font styles. Useful in
955	to the selection.	1418	refresh hooks to provide effects similar to the selection.
956		1419
957	=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])	1420	=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])
958		1421
959	Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing	1422	Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing
960	whitespace will additionally be xored with the C<$rstyle2>, which defaults	1423	whitespace will additionally be xored with the C<$rstyle2>, which defaults
961	to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines	1424	to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines
962	it instead.	1425	it instead. Both styles I<MUST NOT> contain font styles.
963		1426
964	=item $term->scr_bell	1427	=item $term->scr_bell
965		1428
966	Ring the bell!	1429	Ring the bell!
967		1430
…		…
974		1437
975	Normally its not a good idea to use this function, as programs might be	1438	Normally its not a good idea to use this function, as programs might be
976	confused by changes in cursor position or scrolling. Its useful inside a	1439	confused by changes in cursor position or scrolling. Its useful inside a
977	C<on_add_lines> hook, though.	1440	C<on_add_lines> hook, though.
978		1441
		1442	=item $term->scr_change_screen ($screen)
		1443
		1444	Switch to given screen - 0 primary, 1 secondary.
		1445
979	=item $term->cmd_parse ($octets)	1446	=item $term->cmd_parse ($octets)
980		1447
981	Similar to C<scr_add_lines>, but the argument must be in the	1448	Similar to C<scr_add_lines>, but the argument must be in the
982	locale-specific encoding of the terminal and can contain command sequences	1449	locale-specific encoding of the terminal and can contain command sequences
983	(escape codes) that will be interpreted.	1450	(escape codes) that will be interpreted.
984		1451
985	=item $term->tt_write ($octets)	1452	=item $term->tt_write ($octets)
986		1453
987	Write the octets given in C<$data> to the tty (i.e. as program input). To	1454	Write the octets given in C<$octets> to the tty (i.e. as program input). To
988	pass characters instead of octets, you should convert your strings first	1455	pass characters instead of octets, you should convert your strings first
989	to the locale-specific encoding using C<< $term->locale_encode >>.	1456	to the locale-specific encoding using C<< $term->locale_encode >>.
		1457
		1458	=item $term->tt_paste ($octets)
		1459
		1460	Write the octets given in C<$octets> to the tty as a paste, converting NL to
		1461	CR and bracketing the data with control sequences if bracketed paste mode
		1462	is set.
990		1463
991	=item $old_events = $term->pty_ev_events ([$new_events])	1464	=item $old_events = $term->pty_ev_events ([$new_events])
992		1465
993	Replaces the event mask of the pty watcher by the given event mask. Can	1466	Replaces the event mask of the pty watcher by the given event mask. Can
994	be used to suppress input and output handling to the pty/tty. See the	1467	be used to suppress input and output handling to the pty/tty. See the
995	description of C<< urxvt::timer->events >>. Make sure to always restore	1468	description of C<< urxvt::timer->events >>. Make sure to always restore
996	the previous value.	1469	the previous value.
997		1470
		1471	=item $fd = $term->pty_fd
		1472
		1473	Returns the master file descriptor for the pty in use, or C<-1> if no pty
		1474	is used.
		1475
998	=item $windowid = $term->parent	1476	=item $windowid = $term->parent
999		1477
1000	Return the window id of the toplevel window.	1478	Return the window id of the toplevel window.
1001		1479
1002	=item $windowid = $term->vt	1480	=item $windowid = $term->vt
1003		1481
1004	Return the window id of the terminal window.	1482	Return the window id of the terminal window.
1005		1483
		1484	=item $term->vt_emask_add ($x_event_mask)
		1485
		1486	Adds the specified events to the vt event mask. Useful e.g. when you want
		1487	to receive pointer events all the times:
		1488
		1489	$term->vt_emask_add (urxvt::PointerMotionMask);
		1490
		1491	=item $term->set_urgency ($set)
		1492
		1493	Enable/disable the urgency hint on the toplevel window.
		1494
		1495	=item $term->focus_in
		1496
		1497	=item $term->focus_out
		1498
		1499	=item $term->key_press ($state, $keycode[, $time])
		1500
		1501	=item $term->key_release ($state, $keycode[, $time])
		1502
		1503	Deliver various fake events to to terminal.
		1504
1006	=item $window_width = $term->width	1505	=item $window_width = $term->width
1007		1506
1008	=item $window_height = $term->height	1507	=item $window_height = $term->height
1009		1508
1010	=item $font_width = $term->fwidth	1509	=item $font_width = $term->fwidth
…		…
1023		1522
1024	=item $max_scrollback = $term->saveLines	1523	=item $max_scrollback = $term->saveLines
1025		1524
1026	=item $nrow_plus_saveLines = $term->total_rows	1525	=item $nrow_plus_saveLines = $term->total_rows
1027		1526
1028	=item $lines_in_scrollback = $term->nsaved	1527	=item $topmost_scrollback_row = $term->top_row
1029		1528
1030	Return various integers describing terminal characteristics.	1529	Return various integers describing terminal characteristics.
1031		1530
		1531	=item $x_display = $term->display_id
		1532
		1533	Return the DISPLAY used by rxvt-unicode.
		1534
1032	=item $lc_ctype = $term->locale	1535	=item $lc_ctype = $term->locale
1033		1536
1034	Returns the LC_CTYPE category string used by this rxvt-unicode.	1537	Returns the LC_CTYPE category string used by this rxvt-unicode.
1035		1538
1036	=item $x_display = $term->display_id	1539	=item $env = $term->env
1037		1540
1038	Return the DISPLAY used by rxvt-unicode.	1541	Returns a copy of the environment in effect for the terminal as a hashref
		1542	similar to C<\%ENV>.
		1543
		1544	=item @envv = $term->envv
		1545
		1546	Returns the environment as array of strings of the form C<VAR=VALUE>.
		1547
		1548	=item @argv = $term->argv
		1549
		1550	Return the argument vector as this terminal, similar to @ARGV, but
		1551	includes the program name as first element.
		1552
		1553	=cut
		1554
		1555	sub env {
		1556	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), $_[0]->envv }
		1557	}
1039		1558
1040	=item $modifiermask = $term->ModLevel3Mask	1559	=item $modifiermask = $term->ModLevel3Mask
1041		1560
1042	=item $modifiermask = $term->ModMetaMask	1561	=item $modifiermask = $term->ModMetaMask
1043		1562
1044	=item $modifiermask = $term->ModNumLockMask	1563	=item $modifiermask = $term->ModNumLockMask
1045		1564
1046	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often	1565	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
1047	AltGr), the meta key (often Alt) and the num lock key, if applicable.	1566	AltGr), the meta key (often Alt) and the num lock key, if applicable.
1048		1567
		1568	=item $screen = $term->current_screen
		1569
		1570	Returns the currently displayed screen (0 primary, 1 secondary).
		1571
		1572	=item $cursor_is_hidden = $term->hidden_cursor
		1573
		1574	Returns whether the cursor is currently hidden or not.
		1575
1049	=item $view_start = $term->view_start ([$newvalue])	1576	=item $view_start = $term->view_start ([$newvalue])
1050		1577
1051	Returns the negative row number of the topmost line. Minimum value is	1578	Returns the row number of the topmost displayed line. Maximum value is
1052	C<0>, which displays the normal terminal contents. Larger values scroll	1579	C<0>, which displays the normal terminal contents. Lower values scroll
1053	this many lines into the scrollback buffer.	1580	this many lines into the scrollback buffer.
1054		1581
1055	=item $term->want_refresh	1582	=item $term->want_refresh
1056		1583
1057	Requests a screen refresh. At the next opportunity, rxvt-unicode will	1584	Requests a screen refresh. At the next opportunity, rxvt-unicode will
…		…
1060		1587
1061	Used after changing terminal contents to display them.	1588	Used after changing terminal contents to display them.
1062		1589
1063	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])	1590	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
1064		1591
1065	Returns the text of the entire row with number C<$row_number>. Row C<0>	1592	Returns the text of the entire row with number C<$row_number>. Row C<< $term->top_row >>
1066	is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost	1593	is the topmost terminal line, row C<< $term->nrow-1 >> is the bottommost
1067	terminal line. The scrollback buffer starts at line C<-1> and extends to
1068	line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line	1594	terminal line. Nothing will be returned if a nonexistent line
1069	is requested.	1595	is requested.
1070		1596
1071	If C<$new_text> is specified, it will replace characters in the current	1597	If C<$new_text> is specified, it will replace characters in the current
1072	line, starting at column C<$start_col> (default C<0>), which is useful	1598	line, starting at column C<$start_col> (default C<0>), which is useful
1073	to replace only parts of a line. The font index in the rendition will	1599	to replace only parts of a line. The font index in the rendition will
1074	automatically be updated.	1600	automatically be updated.
1075		1601
1076	C<$text> is in a special encoding: tabs and wide characters that use more	1602	C<$text> is in a special encoding: tabs and wide characters that use more
1077	than one cell when displayed are padded with urxvt::NOCHAR characters	1603	than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
1078	(C<chr 65535>). Characters with combining characters and other characters	1604	characters. Characters with combining characters and other characters that
1079	that do not fit into the normal tetx encoding will be replaced with	1605	do not fit into the normal text encoding will be replaced with characters
1080	characters in the private use area.	1606	in the private use area.
1081		1607
1082	You have to obey this encoding when changing text. The advantage is	1608	You have to obey this encoding when changing text. The advantage is
1083	that C<substr> and similar functions work on screen cells and not on	1609	that C<substr> and similar functions work on screen cells and not on
1084	characters.	1610	characters.
1085		1611
…		…
1136	Return the row number of the first/last row of the line, respectively.	1662	Return the row number of the first/last row of the line, respectively.
1137		1663
1138	=item $offset = $line->offset_of ($row, $col)	1664	=item $offset = $line->offset_of ($row, $col)
1139		1665
1140	Returns the character offset of the given row|col pair within the logical	1666	Returns the character offset of the given row|col pair within the logical
1141	line.	1667	line. Works for rows outside the line, too, and returns corresponding
		1668	offsets outside the string.
1142		1669
1143	=item ($row, $col) = $line->coord_of ($offset)	1670	=item ($row, $col) = $line->coord_of ($offset)
1144		1671
1145	Translates a string offset into terminal coordinates again.	1672	Translates a string offset into terminal coordinates again.
1146		1673
…		…
1168	}	1695	}
1169		1696
1170	sub urxvt::line::t {	1697	sub urxvt::line::t {
1171	my ($self) = @_;	1698	my ($self) = @_;
1172		1699
1173	if (@_ > 1)	1700	if (@_ > 1) {
1174	{
1175	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1701	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1176	for $self->{beg} .. $self->{end};	1702	for $self->{beg} .. $self->{end};
1177	}	1703	}
1178		1704
1179	defined wantarray &&	1705	defined wantarray &&
1180	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),	1706	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),
1181	0, $self->{len}	1707	0, $self->{len}
1182	}	1708	}
1183		1709
1184	sub urxvt::line::r {	1710	sub urxvt::line::r {
1185	my ($self) = @_;	1711	my ($self) = @_;
1186		1712
1187	if (@_ > 1)	1713	if (@_ > 1) {
1188	{
1189	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1714	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1190	for $self->{beg} .. $self->{end};	1715	for $self->{beg} .. $self->{end};
1191	}	1716	}
1192		1717
1193	if (defined wantarray) {	1718	if (defined wantarray) {
1194	my $rend = [	1719	my $rend = [
1195	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}	1720	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}
1196	];	1721	];
…		…
1228	where one character corresponds to one screen cell. See	1753	where one character corresponds to one screen cell. See
1229	C<< $term->ROW_t >> for details.	1754	C<< $term->ROW_t >> for details.
1230		1755
1231	=item $string = $term->special_decode $text	1756	=item $string = $term->special_decode $text
1232		1757
1233	Converts rxvt-unicodes text reprsentation into a perl string. See	1758	Converts rxvt-unicodes text representation into a perl string. See
1234	C<< $term->ROW_t >> for details.	1759	C<< $term->ROW_t >> for details.
1235		1760
1236	=item $success = $term->grab_button ($button, $modifiermask)	1761	=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
1237		1762
		1763	=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
		1764
1238	Registers a synchronous button grab. See the XGrabButton manpage.	1765	Register/unregister a synchronous button grab. See the XGrabButton
		1766	manpage.
1239		1767
1240	=item $success = $term->grab ($eventtime[, $sync])	1768	=item $success = $term->grab ($eventtime[, $sync])
1241		1769
1242	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or	1770	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1243	synchronous (C<$sync> is true). Also remembers the grab timestampe.	1771	synchronous (C<$sync> is true). Also remembers the grab timestamp.
1244		1772
1245	=item $term->allow_events_async	1773	=item $term->allow_events_async
1246		1774
1247	Calls XAllowEvents with AsyncBoth for the most recent grab.	1775	Calls XAllowEvents with AsyncBoth for the most recent grab.
1248		1776
…		…
1255	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most	1783	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
1256	recent grab.	1784	recent grab.
1257		1785
1258	=item $term->ungrab	1786	=item $term->ungrab
1259		1787
1260	Calls XUngrab for the most recent grab. Is called automatically on	1788	Calls XUngrabPointer and XUngrabKeyboard for the most recent grab. Is called automatically on
1261	evaluation errors, as it is better to lose the grab in the error case as	1789	evaluation errors, as it is better to lose the grab in the error case as
1262	the session.	1790	the session.
		1791
		1792	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
		1793
		1794	=item $atom_name = $term->XGetAtomName ($atom)
		1795
		1796	=item @atoms = $term->XListProperties ($window)
		1797
		1798	=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
		1799
		1800	=item $term->XChangeProperty ($window, $property, $type, $format, $octets)
		1801
		1802	=item $term->XDeleteProperty ($window, $property)
		1803
		1804	=item $window = $term->DefaultRootWindow
		1805
		1806	=item $term->XReparentWindow ($window, $parent, [$x, $y])
		1807
		1808	=item $term->XMapWindow ($window)
		1809
		1810	=item $term->XUnmapWindow ($window)
		1811
		1812	=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
		1813
		1814	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
		1815
		1816	=item $term->XChangeInput ($window, $add_events[, $del_events])
		1817
		1818	=item $keysym = $term->XStringToKeysym ($string)
		1819
		1820	=item $string = $term->XKeysymToString ($keysym)
		1821
		1822	Various X or X-related functions. The C<$term> object only serves as
		1823	the source of the display, otherwise those functions map more-or-less
		1824	directly onto the X functions of the same name.
1263		1825
1264	=back	1826	=back
1265		1827
1266	=cut	1828	=cut
1267		1829
…		…
1282		1844
1283	$item->{render} ||= sub { $_[0]{text} };	1845	$item->{render} ||= sub { $_[0]{text} };
1284		1846
1285	push @{ $self->{item} }, $item;	1847	push @{ $self->{item} }, $item;
1286	}	1848	}
		1849
		1850	=item $popup->add_title ($title)
		1851
		1852	Adds a non-clickable title to the popup.
		1853
		1854	=cut
		1855
		1856	sub add_title {
		1857	my ($self, $title) = @_;
		1858
		1859	$self->add_item ({
		1860	rend => { normal => "\x1b[38;5;11;44m", hover => "\x1b[38;5;11;44m", active => "\x1b[38;5;11;44m" },
		1861	text => $title,
		1862	activate => sub { },
		1863	});
		1864	}
		1865
		1866	=item $popup->add_separator ([$sepchr])
		1867
		1868	Creates a separator, optionally using the character given as C<$sepchr>.
		1869
		1870	=cut
1287		1871
1288	sub add_separator {	1872	sub add_separator {
1289	my ($self, $sep) = @_;	1873	my ($self, $sep) = @_;
1290		1874
1291	$sep ||= "=";	1875	$sep ||= "=";
…		…
1296	render => sub { $sep x $self->{term}->ncol },	1880	render => sub { $sep x $self->{term}->ncol },
1297	activate => sub { },	1881	activate => sub { },
1298	});	1882	});
1299	}	1883	}
1300		1884
1301	sub add_title {	1885	=item $popup->add_button ($text, $cb)
1302	my ($self, $title) = @_;
1303		1886
1304	$self->add_item ({	1887	Adds a clickable button to the popup. C<$cb> is called whenever it is
1305	rend => { normal => "\x1b[38;5;11;44m", hover => "\x1b[38;5;11;44m", active => "\x1b[38;5;11;44m" },	1888	selected.
1306	text => $title,	1889
1307	activate => sub { },	1890	=cut
1308	});
1309	}
1310		1891
1311	sub add_button {	1892	sub add_button {
1312	my ($self, $text, $cb) = @_;	1893	my ($self, $text, $cb) = @_;
1313		1894
1314	$self->add_item ({ type => "button", text => $text, activate => $cb});	1895	$self->add_item ({ type => "button", text => $text, activate => $cb});
1315	}	1896	}
1316		1897
		1898	=item $popup->add_toggle ($text, $initial_value, $cb)
		1899
		1900	Adds a toggle/checkbox item to the popup. The callback gets called
		1901	whenever it gets toggled, with a boolean indicating its new value as its
		1902	first argument.
		1903
		1904	=cut
		1905
1317	sub add_toggle {	1906	sub add_toggle {
1318	my ($self, $text, $cb, $value) = @_;	1907	my ($self, $text, $value, $cb) = @_;
1319		1908
1320	my $item; $item = {	1909	my $item; $item = {
1321	type => "button",	1910	type => "button",
1322	text => " $text",	1911	text => " $text",
1323	value => $value,	1912	value => $value,
1324	render => sub { ($_[0]{value} ? "* " : " ") . $text },	1913	render => sub { ($_[0]{value} ? "* " : " ") . $text },
1325	activate => sub { $cb->($_[0]{value} = !$_[0]{value}); },	1914	activate => sub { $cb->($_[1]{value} = !$_[1]{value}); },
1326	};	1915	};
1327		1916
1328	$self->add_item ($item);	1917	$self->add_item ($item);
1329	}	1918	}
		1919
		1920	=item $popup->show
		1921
		1922	Displays the popup (which is initially hidden).
		1923
		1924	=cut
1330		1925
1331	sub show {	1926	sub show {
1332	my ($self) = @_;	1927	my ($self) = @_;
1333		1928
1334	local $urxvt::popup::self = $self;	1929	local $urxvt::popup::self = $self;
1335		1930
		1931	my $env = $self->{term}->env;
		1932	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
		1933	delete $env->{LC_ALL};
1336	local $ENV{LC_ALL} = $self->{term}->locale;	1934	$env->{LC_CTYPE} = $self->{term}->locale;
1337		1935
1338	urxvt->new ("--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0,	1936	my $term = urxvt::term->new (
		1937	$env, "popup",
		1938	"--perl-lib" => "", "--perl-ext-common" => "",
		1939	"-pty-fd" => -1, "-sl" => 0,
		1940	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1339	"--transient-for" => $self->{term}->parent,	1941	"--transient-for" => $self->{term}->parent,
1340	"-display" => $self->{term}->display_id,	1942	"-display" => $self->{term}->display_id,
1341	"-pe" => "urxvt-popup")	1943	"-pe" => "urxvt-popup",
1342	or die "unable to create popup window\n";	1944	) or die "unable to create popup window\n";
		1945
		1946	unless (delete $term->{urxvt_popup_init_done}) {
		1947	$term->ungrab;
		1948	$term->destroy;
		1949	die "unable to initialise popup window\n";
		1950	}
1343	}	1951	}
1344		1952
1345	sub DESTROY {	1953	sub DESTROY {
1346	my ($self) = @_;	1954	my ($self) = @_;
1347		1955
1348	delete $self->{term}{_destroy}{$self};	1956	delete $self->{term}{_destroy}{$self};
1349	$self->{term}->ungrab;	1957	$self->{term}->ungrab;
1350	}	1958	}
		1959
		1960	=back
		1961
		1962	=cut
		1963
		1964	package urxvt::watcher;
1351		1965
1352	=head2 The C<urxvt::timer> Class	1966	=head2 The C<urxvt::timer> Class
1353		1967
1354	This class implements timer watchers/events. Time is represented as a	1968	This class implements timer watchers/events. Time is represented as a
1355	fractional number of seconds since the epoch. Example:	1969	fractional number of seconds since the epoch. Example:
…		…
1359	->new	1973	->new
1360	->interval (1)	1974	->interval (1)
1361	->cb (sub {	1975	->cb (sub {
1362	$term->{overlay}->set (0, 0,	1976	$term->{overlay}->set (0, 0,
1363	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);	1977	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
1364	});	1978	});
1365		1979
1366	=over 4	1980	=over 4
1367		1981
1368	=item $timer = new urxvt::timer	1982	=item $timer = new urxvt::timer
1369		1983
…		…
1372		1986
1373	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })	1987	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })
1374		1988
1375	Set the callback to be called when the timer triggers.	1989	Set the callback to be called when the timer triggers.
1376		1990
1377	=item $tstamp = $timer->at
1378
1379	Return the time this watcher will fire next.
1380
1381	=item $timer = $timer->set ($tstamp)	1991	=item $timer = $timer->set ($tstamp[, $interval])
1382		1992
1383	Set the time the event is generated to $tstamp.	1993	Set the time the event is generated to $tstamp (and optionally specifies a
		1994	new $interval).
1384		1995
1385	=item $timer = $timer->interval ($interval)	1996	=item $timer = $timer->interval ($interval)
1386		1997
1387	Normally (and when C<$interval> is C<0>), the timer will automatically	1998	By default (and when C<$interval> is C<0>), the timer will automatically
1388	stop after it has fired once. If C<$interval> is non-zero, then the timer	1999	stop after it has fired once. If C<$interval> is non-zero, then the timer
1389	is automatically rescheduled at the given intervals.	2000	is automatically rescheduled at the given intervals.
1390		2001
1391	=item $timer = $timer->start	2002	=item $timer = $timer->start
1392		2003
1393	Start the timer.	2004	Start the timer.
1394		2005
1395	=item $timer = $timer->start ($tstamp)	2006	=item $timer = $timer->start ($tstamp[, $interval])
1396		2007
1397	Set the event trigger time to C<$tstamp> and start the timer.	2008	Set the event trigger time to C<$tstamp> and start the timer. Optionally
		2009	also replaces the interval.
		2010
		2011	=item $timer = $timer->after ($delay[, $interval])
		2012
		2013	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1398		2014
1399	=item $timer = $timer->stop	2015	=item $timer = $timer->stop
1400		2016
1401	Stop the timer.	2017	Stop the timer.
1402		2018
…		…
1408		2024
1409	$term->{socket} = ...	2025	$term->{socket} = ...
1410	$term->{iow} = urxvt::iow	2026	$term->{iow} = urxvt::iow
1411	->new	2027	->new
1412	->fd (fileno $term->{socket})	2028	->fd (fileno $term->{socket})
1413	->events (urxvt::EVENT_READ)	2029	->events (urxvt::EV_READ)
1414	->start	2030	->start
1415	->cb (sub {	2031	->cb (sub {
1416	my ($iow, $revents) = @_;	2032	my ($iow, $revents) = @_;
1417	# $revents must be 1 here, no need to check	2033	# $revents must be 1 here, no need to check
1418	sysread $term->{socket}, my $buf, 8192	2034	sysread $term->{socket}, my $buf, 8192
…		…
1431	Set the callback to be called when io events are triggered. C<$reventmask>	2047	Set the callback to be called when io events are triggered. C<$reventmask>
1432	is a bitset as described in the C<events> method.	2048	is a bitset as described in the C<events> method.
1433		2049
1434	=item $iow = $iow->fd ($fd)	2050	=item $iow = $iow->fd ($fd)
1435		2051
1436	Set the filedescriptor (not handle) to watch.	2052	Set the file descriptor (not handle) to watch.
1437		2053
1438	=item $iow = $iow->events ($eventmask)	2054	=item $iow = $iow->events ($eventmask)
1439		2055
1440	Set the event mask to watch. The only allowed values are	2056	Set the event mask to watch. The only allowed values are
1441	C<urxvt::EVENT_READ> and C<urxvt::EVENT_WRITE>, which might be ORed	2057	C<urxvt::EV_READ> and C<urxvt::EV_WRITE>, which might be ORed
1442	together, or C<urxvt::EVENT_NONE>.	2058	together, or C<urxvt::EV_NONE>.
1443		2059
1444	=item $iow = $iow->start	2060	=item $iow = $iow->start
1445		2061
1446	Start watching for requested events on the given handle.	2062	Start watching for requested events on the given handle.
1447		2063
1448	=item $iow = $iow->stop	2064	=item $iow = $iow->stop
1449		2065
1450	Stop watching for events on the given filehandle.	2066	Stop watching for events on the given file handle.
		2067
		2068	=back
		2069
		2070	=head2 The C<urxvt::iw> Class
		2071
		2072	This class implements idle watchers, that get called automatically when
		2073	the process is idle. They should return as fast as possible, after doing
		2074	some useful work.
		2075
		2076	=over 4
		2077
		2078	=item $iw = new urxvt::iw
		2079
		2080	Create a new idle watcher object in stopped state.
		2081
		2082	=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
		2083
		2084	Set the callback to be called when the watcher triggers.
		2085
		2086	=item $timer = $timer->start
		2087
		2088	Start the watcher.
		2089
		2090	=item $timer = $timer->stop
		2091
		2092	Stop the watcher.
		2093
		2094	=back
		2095
		2096	=head2 The C<urxvt::pw> Class
		2097
		2098	This class implements process watchers. They create an event whenever a
		2099	process exits, after which they stop automatically.
		2100
		2101	my $pid = fork;
		2102	...
		2103	$term->{pw} = urxvt::pw
		2104	->new
		2105	->start ($pid)
		2106	->cb (sub {
		2107	my ($pw, $exit_status) = @_;
		2108	...
		2109	});
		2110
		2111	=over 4
		2112
		2113	=item $pw = new urxvt::pw
		2114
		2115	Create a new process watcher in stopped state.
		2116
		2117	=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
		2118
		2119	Set the callback to be called when the timer triggers.
		2120
		2121	=item $pw = $timer->start ($pid)
		2122
		2123	Tells the watcher to start watching for process C<$pid>.
		2124
		2125	=item $pw = $pw->stop
		2126
		2127	Stop the watcher.
1451		2128
1452	=back	2129	=back
1453		2130
1454	=head1 ENVIRONMENT	2131	=head1 ENVIRONMENT
1455		2132
…		…
1462		2139
1463	=item == 0 - fatal messages	2140	=item == 0 - fatal messages
1464		2141
1465	=item >= 3 - script loading and management	2142	=item >= 3 - script loading and management
1466		2143
1467	=item >=10 - all events received	2144	=item >=10 - all called hooks
		2145
		2146	=item >=11 - hook return values
1468		2147
1469	=back	2148	=back
1470		2149
1471	=head1 AUTHOR	2150	=head1 AUTHOR
1472		2151
1473	Marc Lehmann <pcg@goof.com>	2152	Marc Lehmann <schmorp@schmorp.de>
1474	http://software.schmorp.de/pkg/rxvt-unicode	2153	http://software.schmorp.de/pkg/rxvt-unicode
1475		2154
1476	=cut	2155	=cut
1477		2156
1478	1	2157	1
		2158
		2159	# vim: sw=3:

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