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Revision 1.63 by root, Mon Jan 9 05:08:02 2006 UTC vs.
Revision 1.231 by root, Sun Apr 27 20:26:28 2014 UTC

1	=encoding utf8	1	=encoding utf8
2		2
3	=head1 NAME	3	=head1 NAME
4		4
5	@@RXVT_NAME@@perl - rxvt-unicode's embedded perl interpreter	5	urxvtperl - rxvt-unicode's embedded perl interpreter
6		6
7	=head1 SYNOPSIS	7	=head1 SYNOPSIS
8		8
9	# create a file grab_test in $HOME:	9	# create a file grab_test in $HOME:
10		10
11	sub on_sel_grab {	11	sub on_sel_grab {
12	warn "you selected ", $_[0]->selection;	12	warn "you selected ", $_[0]->selection;
13	()	13	()
14	}	14	}
15		15
16	# start a @@RXVT_NAME@@ using it:	16	# start a urxvt using it:
17		17
18	@@RXVT_NAME@@ --perl-lib $HOME -pe grab_test	18	urxvt --perl-lib $HOME -pe grab_test
19		19
20	=head1 DESCRIPTION	20	=head1 DESCRIPTION
21		21
22	Everytime a terminal object gets created, extension scripts specified via	22	Every time a terminal object gets created, extension scripts specified via
23	the C<perl> resource are loaded and associated with it.	23	the C<perl> resource are loaded and associated with it.
24		24
25	Scripts are compiled in a 'use strict' and 'use utf8' environment, and	25	Scripts are compiled in a 'use strict "vars"' and 'use utf8' environment, and
26	thus must be encoded as UTF-8.	26	thus must be encoded as UTF-8.
27		27
28	Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where	28	Each script will only ever be loaded once, even in urxvtd, where
29	scripts will be shared (but not enabled) for all terminals.	29	scripts will be shared (but not enabled) for all terminals.
30		30
31	=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 digital-clock
72
73	Displays a digital clock using the built-in overlay.
74
75	=item mark-urls
76
77	Uses per-line display filtering (C<on_line_update>) to underline urls.
78
79	=item block-graphics-to-ascii
80
81	A not very useful example of filtering all text output to the terminal,
82	by replacing all line-drawing characters (U+2500 .. U+259F) by a
83	similar-looking ascii character.
84
85	=item example-refresh-hooks
86
87	Displays a very simple digital clock in the upper right corner of the
88	window. Illustrates overwriting the refresh callbacks to create your own
89	overlays or changes.
90
91	=back
92		52
93	=head2 General API Considerations	53	=head2 General API Considerations
94		54
95	All objects (such as terminals, time watchers etc.) are typical	55	All objects (such as terminals, time watchers etc.) are typical
96	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
…		…
108		68
109	=over 4	69	=over 4
110		70
111	=item $text	71	=item $text
112		72
113	Rxvt-unicodes special way of encoding text, where one "unicode" character	73	Rxvt-unicode's special way of encoding text, where one "unicode" character
114	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.
115		75
116	=item $string	76	=item $string
117		77
118	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
119	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
…		…
122	=item $octets	82	=item $octets
123		83
124	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
125	locale-specific way.	85	locale-specific way.
126		86
		87	=item $keysym
		88
		89	an integer that is a valid X11 keysym code. You can convert a string
		90	into a keysym and viceversa by using C<XStringToKeysym> and
		91	C<XKeysymToString>.
		92
127	=back	93	=back
		94
		95	=head2 Extension Objects
		96
		97	Every perl extension is a perl class. A separate perl object is created
		98	for each terminal, and each terminal has its own set of extension objects,
		99	which are passed as the first parameter to hooks. So extensions can use
		100	their C<$self> object without having to think about clashes with other
		101	extensions or other terminals, with the exception of methods and members
		102	that begin with an underscore character C<_>: these are reserved for
		103	internal use.
		104
		105	Although it isn't a C<urxvt::term> object, you can call all methods of the
		106	C<urxvt::term> class on this object.
		107
		108	Additional methods only supported for extension objects are described in
		109	the C<urxvt::extension> section below.
128		110
129	=head2 Hooks	111	=head2 Hooks
130		112
131	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
132	called whenever the relevant event happens.	114	called whenever the relevant event happens.
133		115
134	The first argument passed to them is an object private to each terminal	116	The first argument passed to them is an extension object as described in
135	and extension package. You can call all C<urxvt::term> methods on it, but	117	the in the C<Extension Objects> section.
136	its not a real C<urxvt::term> object. Instead, the real C<urxvt::term>
137	object that is shared between all packages is stored in the C<term>
138	member. It is, however, blessed intot he package of the extension script,
139	so for all practical purposes you can treat an extension script as a class.
140		118
141	All of them must return a boolean value. If it is true, then the event	119	B<All> of these hooks must return a boolean value. If any of the called
142	counts as being I<consumed>, and the invocation of other hooks is skipped,	120	hooks returns true, then the event counts as being I<consumed>, and the
143	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.
144		122
145	When in doubt, return a false value (preferably C<()>).	123	I<< When in doubt, return a false value (preferably C<()>). >>
146		124
147	=over 4	125	=over 4
148		126
149	=item on_init $term	127	=item on_init $term
150		128
151	Called after a new terminal object has been initialized, but before	129	Called after a new terminal object has been initialized, but before
152	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
153	call or deliver senseless data, as terminal size and other characteristics	131	call or deliver senseless data, as terminal size and other characteristics
154	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
155	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).
156		145
157	=item on_reset $term	146	=item on_reset $term
158		147
159	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
160	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
161	variables.	150	variables.
162		151
163	=item on_start $term	152	=item on_child_start $term, $pid
164		153
165	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.
166	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>.
167		160
168	=item on_sel_make $term, $eventtime	161	=item on_sel_make $term, $eventtime
169		162
170	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
171	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
…		…
178		171
179	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
180	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
181	by calling C<< $term->selection >>.	174	by calling C<< $term->selection >>.
182		175
183	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.
184		177
185	=item on_sel_extend $term	178	=item on_sel_extend $term
186		179
187	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
188	click) and is either supposed to return false (normal operation), or	181	click) and is either supposed to return false (normal operation), or
189	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
190	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.
191		186
192	See the F<selection> example extension.	187	See the F<selection> example extension.
193		188
194	=item on_view_change $term, $offset	189	=item on_view_change $term, $offset
195		190
196	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
197	scrolls. Offset C<0> means display the normal terminal, positive values	192	scrolls. Offset C<0> means display the normal terminal, positive values
198	show this many lines of scrollback.	193	show this many lines of scrollback.
199		194
200	=item on_scroll_back $term, $lines, $saved	195	=item on_scroll_back $term, $lines, $saved
201		196
…		…
205		200
206	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,	201	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,
207	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total	202	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total
208	number of lines that will be in the scrollback buffer.	203	number of lines that will be in the scrollback buffer.
209		204
210	=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, $resp
211		216
212	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =	217	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
213	operating system command) is processed. Cursor position and other state	218	operating system command) is processed. Cursor position and other state
214	information is up-to-date when this happens. For interoperability, the	219	information is up-to-date when this happens. For interoperability, the
215	string should start with the extension name and a colon, to distinguish	220	string should start with the extension name (sans -osc) and a semicolon,
216	it from commands for other extensions, and this might be enforced in the	221	to distinguish it from commands for other extensions, and this might be
217	future.	222	enforced in the future.
		223
		224	For example, C<overlay-osc> uses this:
		225
		226	sub on_osc_seq_perl {
		227	my ($self, $osc, $resp) = @_;
		228
		229	return unless $osc =~ s/^overlay;//;
		230
		231	... process remaining $osc string
		232	}
218		233
219	Be careful not ever to trust (in a security sense) the data you receive,	234	Be careful not ever to trust (in a security sense) the data you receive,
220	as its source can not easily be controleld (e-mail content, messages from	235	as its source can not easily be controlled (e-mail content, messages from
221	other users on the same system etc.).	236	other users on the same system etc.).
		237
		238	For responses, C<$resp> contains the end-of-args separator used by the
		239	sender.
222		240
223	=item on_add_lines $term, $string	241	=item on_add_lines $term, $string
224		242
225	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
226	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
227	and calling C<< $term->scr_add_lines >> yourself. Please note that this	245	and calling C<< $term->scr_add_lines >> yourself. Please note that this
228	might be very slow, however, as your hook is called for B<all> text being	246	might be very slow, however, as your hook is called for B<all> text being
229	output.	247	output.
230		248
		249	=item on_tt_write $term, $octets
		250
		251	Called whenever some data is written to the tty/pty and can be used to
		252	suppress or filter tty input.
		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
231	=item on_line_update $term, $row	261	=item on_line_update $term, $row
232		262
233	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
234	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
235	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,
…		…
242	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
243	you cannot just toggle rendition bits, but only set them.	273	you cannot just toggle rendition bits, but only set them.
244		274
245	=item on_refresh_begin $term	275	=item on_refresh_begin $term
246		276
247	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
248	or similar effects by modify terminal contents in refresh_begin, and	278	similar effects by modifying the terminal contents in refresh_begin, and
249	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
250	code is run after this hook, and takes precedence.	280	code is run after this hook, and takes precedence.
251		281
252	=item on_refresh_end $term	282	=item on_refresh_end $term
253		283
254	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>.
255		285
256	=item on_keyboard_command $term, $string	286	=item on_user_command $term, $string *DEPRECATED*
257		287
258	Called whenever the user presses a key combination that has a	288	Called whenever a user-configured event is being activated (e.g. via
259	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>
260	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 going away in
		293	preference to the C<< ->register_keysym_action >> method.
		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 a true value the binding
		299	is not 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 a true value, 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.
261		317
262	=item on_focus_in $term	318	=item on_focus_in $term
263		319
264	Called whenever the window gets the keyboard focus, before rxvt-unicode	320	Called whenever the window gets the keyboard focus, before rxvt-unicode
265	does focus in processing.	321	does focus in processing.
266		322
267	=item on_focus_out $term	323	=item on_focus_out $term
268		324
269	Called wheneever the window loses keyboard focus, before rxvt-unicode does	325	Called whenever the window loses keyboard focus, before rxvt-unicode does
270	focus out processing.	326	focus out processing.
271		327
		328	=item on_configure_notify $term, $event
		329
		330	=item on_property_notify $term, $event
		331
272	=item on_key_press $term, $event, $octets	332	=item on_key_press $term, $event, $keysym, $octets
273		333
274	=item on_key_release $term, $event	334	=item on_key_release $term, $event, $keysym
275		335
276	=item on_button_press $term, $event	336	=item on_button_press $term, $event
277		337
278	=item on_button_release $term, $event	338	=item on_button_release $term, $event
279		339
…		…
281		341
282	=item on_map_notify $term, $event	342	=item on_map_notify $term, $event
283		343
284	=item on_unmap_notify $term, $event	344	=item on_unmap_notify $term, $event
285		345
286	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
287	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.
288		348
289	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
290	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
291	and column under the mouse cursor.	351	(real, not screen-based) row and column under the mouse cursor.
292		352
293	C<on_key_press> additionally receives the string rxvt-unicode would	353	C<on_key_press> additionally receives the string rxvt-unicode would
294	output, if any, in locale-specific encoding.	354	output, if any, in locale-specific encoding.
295		355
296	subwindow.	356	=item on_client_message $term, $event
		357
		358	=item on_wm_protocols $term, $event
		359
		360	=item on_wm_delete_window $term, $event
		361
		362	Called when various types of ClientMessage events are received (all with
		363	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
		364
		365	=item on_bell $term
		366
		367	Called on receipt of a bell character.
297		368
298	=back	369	=back
299		370
		371	=cut
		372
		373	package urxvt;
		374
		375	use utf8;
		376	use strict 'vars';
		377	use Carp ();
		378	use Scalar::Util ();
		379	use List::Util ();
		380
		381	our $VERSION = 1;
		382	our $TERM;
		383	our @TERM_INIT; # should go, prevents async I/O etc.
		384	our @TERM_EXT; # should go, prevents async I/O etc.
		385	our @HOOKNAME;
		386	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
		387	our %OPTION;
		388
		389	our $LIBDIR;
		390	our $RESNAME;
		391	our $RESCLASS;
		392	our $RXVTNAME;
		393
		394	our $NOCHAR = chr 0xffff;
		395
300	=head2 Variables in the C<urxvt> Package	396	=head2 Variables in the C<urxvt> Package
301		397
302	=over 4	398	=over 4
		399
		400	=item $urxvt::LIBDIR
		401
		402	The rxvt-unicode library directory, where, among other things, the perl
		403	modules and scripts are stored.
		404
		405	=item $urxvt::RESCLASS, $urxvt::RESCLASS
		406
		407	The resource class and name rxvt-unicode uses to look up X resources.
		408
		409	=item $urxvt::RXVTNAME
		410
		411	The basename of the installed binaries, usually C<urxvt>.
303		412
304	=item $urxvt::TERM	413	=item $urxvt::TERM
305		414
306	The current terminal. This variable stores the current C<urxvt::term>	415	The current terminal. This variable stores the current C<urxvt::term>
307	object, whenever a callback/hook is executing.	416	object, whenever a callback/hook is executing.
308		417
		418	=item @urxvt::TERM_INIT
		419
		420	All code references in this array will be called as methods of the next newly
		421	created C<urxvt::term> object (during the C<on_init> phase). The array
		422	gets cleared before the code references that were in it are being executed,
		423	so references can push themselves onto it again if they so desire.
		424
		425	This complements to the perl-eval command line option, but gets executed
		426	first.
		427
		428	=item @urxvt::TERM_EXT
		429
		430	Works similar to C<@TERM_INIT>, but contains perl package/class names, which
		431	get registered as normal extensions after calling the hooks in C<@TERM_INIT>
		432	but before other extensions. Gets cleared just like C<@TERM_INIT>.
		433
309	=back	434	=back
310		435
311	=head2 Functions in the C<urxvt> Package	436	=head2 Functions in the C<urxvt> Package
312		437
313	=over 4	438	=over 4
314		439
315	=item $term = new urxvt [arg...]
316
317	Creates a new terminal, very similar as if you had started it with
318	C<system $binfile, arg...>. Croaks (and probably outputs an error message)
319	if the new instance couldn't be created. Returns C<undef> if the new
320	instance didn't initialise perl, and the terminal object otherwise. The
321	C<init> and C<start> hooks will be called during the call.
322
323	=item urxvt::fatal $errormessage	440	=item urxvt::fatal $errormessage
324		441
325	Fatally aborts execution with the given error message. Avoid at all	442	Fatally aborts execution with the given error message (which should
326	costs! The only time this is acceptable is when the terminal process	443	include a trailing newline). Avoid at all costs! The only time this
327	starts up.	444	is acceptable (and useful) is in the init hook, where it prevents the
		445	terminal from starting up.
328		446
329	=item urxvt::warn $string	447	=item urxvt::warn $string
330		448
331	Calls C<rxvt_warn> with the given string which should not include a	449	Calls C<rxvt_warn> with the given string which should include a trailing
332	newline. The module also overwrites the C<warn> builtin with a function	450	newline. The module also overwrites the C<warn> builtin with a function
333	that calls this function.	451	that calls this function.
334		452
335	Using this function has the advantage that its output ends up in the	453	Using this function has the advantage that its output ends up in the
336	correct place, e.g. on stderr of the connecting urxvtc client.	454	correct place, e.g. on stderr of the connecting urxvtc client.
337		455
338	=item $is_safe = urxvt::safe	456	Messages have a size limit of 1023 bytes currently.
339		457
340	Returns true when it is safe to do potentially unsafe things, such as	458	=item @terms = urxvt::termlist
341	evaluating perl code specified by the user. This is true when urxvt was	459
342	started setuid or setgid.	460	Returns all urxvt::term objects that exist in this process, regardless of
		461	whether they are started, being destroyed etc., so be careful. Only term
		462	objects that have perl extensions attached will be returned (because there
		463	is no urxvt::term object associated with others).
343		464
344	=item $time = urxvt::NOW	465	=item $time = urxvt::NOW
345		466
346	Returns the "current time" (as per the event loop).	467	Returns the "current time" (as per the event loop).
347		468
348	=item urxvt::CurrentTime	469	=item urxvt::CurrentTime
349		470
350	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,	471	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
351	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,	472	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
352	Button4Mask, Button5Mask, AnyModifier	473	Button4Mask, Button5Mask, AnyModifier
		474
		475	=item urxvt::NoEventMask, KeyPressMask, KeyReleaseMask,
		476	ButtonPressMask, ButtonReleaseMask, EnterWindowMask, LeaveWindowMask,
		477	PointerMotionMask, PointerMotionHintMask, Button1MotionMask, Button2MotionMask,
		478	Button3MotionMask, Button4MotionMask, Button5MotionMask, ButtonMotionMask,
		479	KeymapStateMask, ExposureMask, VisibilityChangeMask, StructureNotifyMask,
		480	ResizeRedirectMask, SubstructureNotifyMask, SubstructureRedirectMask,
		481	FocusChangeMask, PropertyChangeMask, ColormapChangeMask, OwnerGrabButtonMask
		482
		483	=item urxvt::KeyPress, KeyRelease, ButtonPress, ButtonRelease, MotionNotify,
		484	EnterNotify, LeaveNotify, FocusIn, FocusOut, KeymapNotify, Expose,
		485	GraphicsExpose, NoExpose, VisibilityNotify, CreateNotify, DestroyNotify,
		486	UnmapNotify, MapNotify, MapRequest, ReparentNotify, ConfigureNotify,
		487	ConfigureRequest, GravityNotify, ResizeRequest, CirculateNotify,
		488	CirculateRequest, PropertyNotify, SelectionClear, SelectionRequest,
		489	SelectionNotify, ColormapNotify, ClientMessage, MappingNotify
353		490
354	Various constants for use in X calls and event processing.	491	Various constants for use in X calls and event processing.
355		492
356	=back	493	=back
357		494
…		…
374		511
375	=item $rend = urxvt::OVERLAY_RSTYLE	512	=item $rend = urxvt::OVERLAY_RSTYLE
376		513
377	Return the rendition mask used for overlays by default.	514	Return the rendition mask used for overlays by default.
378		515
379	=item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline	516	=item $rendbit = urxvt::RS_Bold, urxvt::RS_Italic, urxvt::RS_Blink,
		517	urxvt::RS_RVid, urxvt::RS_Uline
380		518
381	Return the bit that enabled bold, italic, blink, reverse-video and	519	Return the bit that enabled bold, italic, blink, reverse-video and
382	underline, respectively. To enable such a style, just logically OR it into	520	underline, respectively. To enable such a style, just logically OR it into
383	the bitset.	521	the bitset.
384		522
…		…
386		524
387	=item $background = urxvt::GET_BASEBG $rend	525	=item $background = urxvt::GET_BASEBG $rend
388		526
389	Return the foreground/background colour index, respectively.	527	Return the foreground/background colour index, respectively.
390		528
391	=item $rend = urxvt::SET_FGCOLOR ($rend, $new_colour)	529	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour
392		530
393	=item $rend = urxvt::SET_BGCOLOR ($rend, $new_colour)	531	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour
		532
		533	=item $rend = urxvt::SET_COLOR $rend, $new_fg, $new_bg
394		534
395	Replace the foreground/background colour in the rendition mask with the	535	Replace the foreground/background colour in the rendition mask with the
396	specified one.	536	specified one.
397		537
398	=item $value = urxvt::GET_CUSTOM ($rend)	538	=item $value = urxvt::GET_CUSTOM $rend
399		539
400	Return the "custom" value: Every rendition has 5 bits for use by	540	Return the "custom" value: Every rendition has 5 bits for use by
401	extensions. They can be set and changed as you like and are initially	541	extensions. They can be set and changed as you like and are initially
402	zero.	542	zero.
403		543
404	=item $rend = urxvt::SET_CUSTOM ($rend, $new_value)	544	=item $rend = urxvt::SET_CUSTOM $rend, $new_value
405		545
406	Change the custom value.	546	Change the custom value.
407		547
408	=back	548	=back
409		549
410	=cut	550	=cut
411		551
412	package urxvt;
413
414	use utf8;
415	use strict;
416	use Scalar::Util ();
417	use List::Util ();
418
419	our $VERSION = 1;
420	our $TERM;
421	our @HOOKNAME;
422	our %OPTION;
423	our $LIBDIR;
424
425	BEGIN {	552	BEGIN {
426	urxvt->bootstrap;
427
428	# overwrite perl's warn	553	# overwrite perl's warn
429	*CORE::GLOBAL::warn = sub {	554	*CORE::GLOBAL::warn = sub {
430	my $msg = join "", @_;	555	my $msg = join "", @_;
431	$msg .= "\n"	556	$msg .= "\n"
432	unless $msg =~ /\n$/;	557	unless $msg =~ /\n$/;
433	urxvt::warn ($msg);	558	urxvt::warn ($msg);
434	};	559	};
435
436	delete $ENV{IFS};
437	delete $ENV{CDPATH};
438	delete $ENV{BASH_ENV};
439	$ENV{PATH} = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin:/opt/sbin";
440	}	560	}
441		561
442	my @hook_count;	562	no warnings 'utf8';
		563
		564	sub parse_resource {
		565	my ($term, $name, $isarg, $longopt, $flag, $value) = @_;
		566
		567	$name =~ y/-/./ if $isarg;
		568
		569	$term->scan_meta;
		570
		571	my $r = $term->{meta}{resource};
		572	keys %$r; # reset iterator
		573	while (my ($pattern, $v) = each %$r) {
		574	if (
		575	$pattern =~ /\.$/
		576	? $pattern eq substr $name, 0, length $pattern
		577	: $pattern eq $name
		578	) {
		579	$name = "$urxvt::RESCLASS.$name";
		580
		581	push @{ $term->{perl_ext_3} }, $v->[0];
		582
		583	if ($v->[1] eq "boolean") {
		584	$term->put_option_db ($name, $flag ? "true" : "false");
		585	return 1;
		586	} else {
		587	$term->put_option_db ($name, $value);
		588	return 1 + 2;
		589	}
		590	}
		591	}
		592
		593	0
		594	}
		595
		596	sub usage {
		597	my ($term, $usage_type) = @_;
		598
		599	$term->scan_meta;
		600
		601	my $r = $term->{meta}{resource};
		602
		603	for my $pattern (sort keys %$r) {
		604	my ($ext, $type, $desc) = @{ $r->{$pattern} };
		605
		606	$desc .= " (-pe $ext)";
		607
		608	if ($usage_type == 1) {
		609	$pattern =~ y/./-/;
		610	$pattern =~ s/-$/-.../g;
		611
		612	if ($type eq "boolean") {
		613	urxvt::log sprintf " -%-30s %s\n", "/+$pattern", $desc;
		614	} else {
		615	urxvt::log sprintf " -%-30s %s\n", "$pattern $type", $desc;
		616	}
		617	} else {
		618	$pattern =~ s/\.$/.*/g;
		619	urxvt::log sprintf " %-31s %s\n", "$pattern:", $type;
		620	}
		621	}
		622	}
		623
443	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};	624	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
444		625
445	sub verbose {	626	sub verbose {
446	my ($level, $msg) = @_;	627	my ($level, $msg) = @_;
447	warn "$msg\n" if $level <= $verbosity;	628	warn "$msg\n" if $level <= $verbosity;
448	}	629	}
449		630
450	# find on_xxx subs in the package and register them
451	# as hooks
452	sub register_package($) {
453	my ($pkg) = @_;
454
455	for my $htype (0.. $#HOOKNAME) {
456	my $name = $HOOKNAME[$htype];
457
458	my $ref = $pkg->can ("on_" . lc $name)
459	or next;
460
461	$TERM->{_hook}[$htype]{$pkg} = $ref;
462	$hook_count[$htype]++
463	or set_should_invoke $htype, 1;
464	}
465	}
466
467	my $extension_pkg = "extension0000";
468	my %extension_pkg;	631	my %extension_pkg;
469		632
470	# load a single script into its own package, once only	633	# load a single script into its own package, once only
471	sub extension_package($) {	634	sub extension_package($) {
472	my ($path) = @_;	635	my ($path) = @_;
473		636
474	$extension_pkg{$path} ||= do {	637	$extension_pkg{$path} ||= do {
475	my $pkg = "urxvt::" . ($extension_pkg++);	638	$path =~ /([^\/\\]+)$/;
		639	my $pkg = $1;
		640	$pkg =~ s/[^[:word:]]/_/g;
		641	$pkg = "urxvt::ext::$pkg";
476		642
477	verbose 3, "loading extension '$path' into package '$pkg'";	643	verbose 3, "loading extension '$path' into package '$pkg'";
		644
		645	(${"$pkg\::_NAME"} = $path) =~ s/^.*[\\\/]//; # hackish
478		646
479	open my $fh, "<:raw", $path	647	open my $fh, "<:raw", $path
480	or die "$path: $!";	648	or die "$path: $!";
481		649
482	my $source = untaint "package $pkg; use strict; use utf8;\n"	650	my $source =
483	. "use base urxvt::term::proxy::;\n"	651	"package $pkg; use strict 'vars'; use utf8; no warnings 'utf8';\n"
484	. "#line 1 \"$path\"\n{\n"	652	. "#line 1 \"$path\"\n{\n"
485	. (do { local $/; <$fh> })	653	. (do { local $/; <$fh> })
486	. "\n};\n1";	654	. "\n};\n1";
487		655
		656	eval $source
488	eval $source or die "$path: $@";	657	or die "$path: $@";
489		658
490	$pkg	659	$pkg
491	}	660	}
492	}	661	}
493		662
…		…
496	# called by the rxvt core	665	# called by the rxvt core
497	sub invoke {	666	sub invoke {
498	local $TERM = shift;	667	local $TERM = shift;
499	my $htype = shift;	668	my $htype = shift;
500		669
501	if ($htype == 0) { # INIT	670	if ($htype == HOOK_INIT) {
502	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");	671	my @dirs = $TERM->perl_libdirs;
		672
		673	my %ext_arg;
		674
503		675	{
504	my %want_ext;	676	my @init = @TERM_INIT;
		677	@TERM_INIT = ();
		678	$_->($TERM) for @init;
		679	my @pkg = @TERM_EXT;
		680	@TERM_EXT = ();
		681	$TERM->register_package ($_) for @pkg;
		682	}
505		683
		684	for (
		685	@{ delete $TERM->{perl_ext_3} },
506	for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {	686	grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2
		687	) {
507	if ($_ eq "default") {	688	if ($_ eq "default") {
508	$want_ext{$_}++ for qw(selection option-popup selection-popup);	689	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline);
509	} elsif (/^-(.*)$/) {	690	} elsif (/^-(.*)$/) {
510	delete $want_ext{$1};	691	delete $ext_arg{$1};
		692	} elsif (/^([^<]+)<(.*)>$/) {
		693	push @{ $ext_arg{$1} }, $2;
511	} else {	694	} else {
512	$want_ext{$_}++;	695	$ext_arg{$_} ||= [];
513	}	696	}
514	}	697	}
515		698
516	for my $ext (keys %want_ext) {	699	for my $ext (sort keys %ext_arg) {
517	my @files = grep -f $_, map "$_/$ext", @dirs;	700	my @files = grep -f $_, map "$_/$ext", @dirs;
518		701
519	if (@files) {	702	if (@files) {
520	register_package extension_package $files[0];	703	$TERM->register_package (extension_package $files[0], $ext_arg{$ext});
521	} else {	704	} else {
522	warn "perl extension '$ext' not found in perl library search path\n";	705	warn "perl extension '$ext' not found in perl library search path\n";
523	}	706	}
524	}	707	}
525		708
…		…
531		714
532	if (my $cb = $TERM->{_hook}[$htype]) {	715	if (my $cb = $TERM->{_hook}[$htype]) {
533	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"	716	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
534	if $verbosity >= 10;	717	if $verbosity >= 10;
535		718
		719	for my $pkg (
		720	# this hook is only sent to the extension with the name
		721	# matching the first arg
		722	$htype == HOOK_KEYBOARD_DISPATCH
		723	? exists $cb->{"urxvt::ext::$_[0]"} ? "urxvt::ext::" . shift : return undef
536	keys %$cb;	724	: keys %$cb
		725	) {
		726	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg} || $TERM, @_) };
		727	$retval ||= $retval_;
537		728
538	while (my ($pkg, $cb) = each %$cb) {
539	eval {
540	$retval = $cb->(
541	$TERM->{_pkg}{$pkg} ||= do {
542	my $proxy = bless { }, $pkg;
543	Scalar::Util::weaken ($proxy->{term} = $TERM);
544	$proxy
545	},
546	@_,
547	) and last;
548	};
549	if ($@) {	729	if ($@) {
550	$TERM->ungrab; # better to lose the grab than the session	730	$TERM->ungrab; # better to lose the grab than the session
551	warn $@;	731	warn $@;
552	}	732	}
553	}	733	}
		734
		735	verbose 11, "$HOOKNAME[$htype] returning <$retval>"
		736	if $verbosity >= 11;
554	}	737	}
555		738
556	if ($htype == 1) { # DESTROY	739	if ($htype == HOOK_DESTROY) {
557	# remove hooks if unused
558	if (my $hook = $TERM->{_hook}) {
559	for my $htype (0..$#$hook) {
560	$hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
561	or set_should_invoke $htype, 0;
562	}
563	}
564
565	# clear package objects	740	# clear package objects
566	%$_ = () for values %{ $TERM->{_pkg} };	741	%$_ = () for values %{ $TERM->{_pkg} };
567		742
568	# clear package	743	# clear package
569	%$TERM = ();	744	%$TERM = ();
570	}	745	}
571		746
572	$retval	747	$retval
573	}	748	}
574		749
575	# urxvt::term::proxy	750	sub SET_COLOR($$$) {
		751	SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
		752	}
576		753
577	sub urxvt::term::proxy::AUTOLOAD {	754	sub rend2mask {
578	$urxvt::term::proxy::AUTOLOAD =~ /:([^:]+)$/	755	no strict 'refs';
		756	my ($str, $mask) = (@_, 0);
		757	my %color = ( fg => undef, bg => undef );
		758	my @failed;
		759	for my $spec ( split /\s+/, $str ) {
		760	if ( $spec =~ /^([fb]g)[_:-]?(\d+)/i ) {
		761	$color{lc($1)} = $2;
		762	} else {
		763	my $neg = $spec =~ s/^[-^]//;
		764	unless ( exists &{"RS_$spec"} ) {
		765	push @failed, $spec;
		766	next;
		767	}
		768	my $cur = &{"RS_$spec"};
		769	if ( $neg ) {
		770	$mask &= ~$cur;
		771	} else {
		772	$mask |= $cur;
		773	}
		774	}
		775	}
		776	($mask, @color{qw(fg bg)}, \@failed)
		777	}
		778
		779	package urxvt::term::extension;
		780
		781	=head2 The C<urxvt::term::extension> class
		782
		783	Each extension attached to a terminal object is represented by
		784	a C<urxvt::term::extension> object.
		785
		786	You can use these objects, which are passed to all callbacks to store any
		787	state related to the terminal and extension instance.
		788
		789	The methods (And data members) documented below can be called on extension
		790	objects, in addition to call methods documented for the <urxvt::term>
		791	class.
		792
		793	=over 4
		794
		795	=item $urxvt_term = $self->{term}
		796
		797	Returns the C<urxvt::term> object associated with this instance of the
		798	extension. This member I<must not> be changed in any way.
		799
		800	=cut
		801
		802	our $AUTOLOAD;
		803
		804	sub AUTOLOAD {
		805	$AUTOLOAD =~ /:([^:]+)$/
579	or die "FATAL: \$AUTOLOAD '$urxvt::term::proxy::AUTOLOAD' unparsable";	806	or die "FATAL: \$AUTOLOAD '$AUTOLOAD' unparsable";
580		807
581	eval qq{	808	eval qq{
582	sub $urxvt::term::proxy::AUTOLOAD {	809	sub $AUTOLOAD {
583	my \$proxy = shift;	810	my \$proxy = shift;
584	\$proxy->{term}->$1 (\@_)	811	\$proxy->{term}->$1 (\@_)
585	}	812	}
586	1	813	1
587	} or die "FATAL: unable to compile method forwarder: $@";	814	} or die "FATAL: unable to compile method forwarder: $@";
588		815
589	goto &$urxvt::term::proxy::AUTOLOAD;	816	goto &$AUTOLOAD;
590	}	817	}
591		818
592	sub urxvt::term::proxy::DESTROY {	819	sub DESTROY {
593	# nop	820	# nop
594	}	821	}
595		822
596	# urxvt::destroy_hook	823	# urxvt::destroy_hook (basically a cheap Guard:: implementation)
597		824
598	sub urxvt::destroy_hook::DESTROY {	825	sub urxvt::destroy_hook::DESTROY {
599	${$_[0]}->();	826	${$_[0]}->();
600	}	827	}
601		828
602	sub urxvt::destroy_hook(&) {	829	sub urxvt::destroy_hook(&) {
603	bless \shift, urxvt::destroy_hook::	830	bless \shift, urxvt::destroy_hook::
604	}	831	}
605		832
		833	=item $self->enable ($hook_name => $cb[, $hook_name => $cb..])
		834
		835	Dynamically enable the given hooks (named without the C<on_> prefix) for
		836	this extension, replacing any hook previously installed via C<enable> in
		837	this extension.
		838
		839	This is useful when you want to overwrite time-critical hooks only
		840	temporarily.
		841
		842	To install additional callbacks for the same hook, you can use the C<on>
		843	method of the C<urxvt::term> class.
		844
		845	=item $self->disable ($hook_name[, $hook_name..])
		846
		847	Dynamically disable the given hooks.
		848
		849	=cut
		850
		851	sub enable {
		852	my ($self, %hook) = @_;
		853	my $pkg = $self->{_pkg};
		854
		855	while (my ($name, $cb) = each %hook) {
		856	my $htype = $HOOKTYPE{uc $name};
		857	defined $htype
		858	or Carp::croak "unsupported hook type '$name'";
		859
		860	$self->set_should_invoke ($htype, +1)
		861	unless exists $self->{term}{_hook}[$htype]{$pkg};
		862
		863	$self->{term}{_hook}[$htype]{$pkg} = $cb;
		864	}
		865	}
		866
		867	sub disable {
		868	my ($self, @hook) = @_;
		869	my $pkg = $self->{_pkg};
		870
		871	for my $name (@hook) {
		872	my $htype = $HOOKTYPE{uc $name};
		873	defined $htype
		874	or Carp::croak "unsupported hook type '$name'";
		875
		876	$self->set_should_invoke ($htype, -1)
		877	if delete $self->{term}{_hook}[$htype]{$pkg};
		878	}
		879	}
		880
		881	=item $guard = $self->on ($hook_name => $cb[, $hook_name => $cb..])
		882
		883	Similar to the C<enable> enable, but installs additional callbacks for
		884	the given hook(s) (that is, it doesn't replace existing callbacks), and
		885	returns a guard object. When the guard object is destroyed the callbacks
		886	are disabled again.
		887
		888	=cut
		889
		890	sub urxvt::extension::on_disable::DESTROY {
		891	my $disable = shift;
		892
		893	my $term = delete $disable->{""};
		894
		895	while (my ($htype, $id) = each %$disable) {
		896	delete $term->{_hook}[$htype]{$id};
		897	$term->set_should_invoke ($htype, -1);
		898	}
		899	}
		900
		901	sub on {
		902	my ($self, %hook) = @_;
		903
		904	my $term = $self->{term};
		905
		906	my %disable = ( "" => $term );
		907
		908	while (my ($name, $cb) = each %hook) {
		909	my $htype = $HOOKTYPE{uc $name};
		910	defined $htype
		911	or Carp::croak "unsupported hook type '$name'";
		912
		913	$term->set_should_invoke ($htype, +1);
		914	$term->{_hook}[$htype]{ $disable{$htype} = $cb+0 }
		915	= sub { shift; $cb->($self, @_) }; # very ugly indeed
		916	}
		917
		918	bless \%disable, "urxvt::extension::on_disable"
		919	}
		920
		921	=item $self->x_resource ($pattern)
		922
		923	=item $self->x_resource_boolean ($pattern)
		924
		925	These methods support an additional C<%> prefix when called on an
		926	extension object - see the description of these methods in the
		927	C<urxvt::term> class for details.
		928
		929	=cut
		930
		931	sub x_resource {
		932	my ($self, $name) = @_;
		933	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		934	$self->{term}->x_resource ($name)
		935	}
		936
		937	sub x_resource_boolean {
		938	my ($self, $name) = @_;
		939	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		940	$self->{term}->x_resource_boolean ($name)
		941	}
		942
		943	=back
		944
		945	=cut
		946
606	package urxvt::anyevent;	947	package urxvt::anyevent;
607		948
608	=head2 The C<urxvt::anyevent> Class	949	=head2 The C<urxvt::anyevent> Class
609		950
610	The sole purpose of this class is to deliver an interface to the	951	The sole purpose of this class is to deliver an interface to the
611	C<AnyEvent> module - any module using it will work inside urxvt without	952	C<AnyEvent> module - any module using it will work inside urxvt without
612	further work. The only exception is that you cannot wait on condition	953	further programming. The only exception is that you cannot wait on
613	variables, but non-blocking condvar use is ok. What this means is that you	954	condition variables, but non-blocking condvar use is ok.
614	cannot use blocking APIs, but the non-blocking variant should work.
615		955
616	=cut	956	In practical terms this means is that you cannot use blocking APIs, but
		957	the non-blocking variant should work.
617		958
		959	=cut
		960
618	our $VERSION = 1;	961	our $VERSION = '5.23';
619		962
620	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there	963	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
621	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];	964	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
622		965
623	sub timer {	966	sub timer {
…		…
625		968
626	my $cb = $arg{cb};	969	my $cb = $arg{cb};
627		970
628	urxvt::timer	971	urxvt::timer
629	->new	972	->new
630	->start (urxvt::NOW + $arg{after})	973	->after ($arg{after}, $arg{interval})
631	->cb (sub {	974	->cb ($arg{interval} ? $cb : sub {
632	$_[0]->stop; # need to cancel manually	975	$_[0]->stop; # need to cancel manually
633	$cb->();	976	$cb->();
634	})	977	})
635	}	978	}
636		979
637	sub io {	980	sub io {
638	my ($class, %arg) = @_;	981	my ($class, %arg) = @_;
639		982
640	my $cb = $arg{cb};	983	my $cb = $arg{cb};
		984	my $fd = fileno $arg{fh};
		985	defined $fd or $fd = $arg{fh};
641		986
642	bless [$arg{fh}, urxvt::iow	987	bless [$arg{fh}, urxvt::iow
643	->new	988	->new
644	->fd (fileno $arg{fh})	989	->fd ($fd)
645	->events (($arg{poll} =~ /r/ ? 1 : 0)	990	->events (($arg{poll} =~ /r/ ? 1 : 0)
646	| ($arg{poll} =~ /w/ ? 2 : 0))	991	| ($arg{poll} =~ /w/ ? 2 : 0))
647	->start	992	->start
648	->cb (sub {	993	->cb ($cb)
649	$cb->(($_[1] & 1 ? 'r' : '')
650	. ($_[1] & 2 ? 'w' : ''));
651	})],
652	urxvt::anyevent::	994	], urxvt::anyevent::
		995	}
		996
		997	sub idle {
		998	my ($class, %arg) = @_;
		999
		1000	my $cb = $arg{cb};
		1001
		1002	urxvt::iw
		1003	->new
		1004	->start
		1005	->cb ($cb)
		1006	}
		1007
		1008	sub child {
		1009	my ($class, %arg) = @_;
		1010
		1011	my $cb = $arg{cb};
		1012
		1013	urxvt::pw
		1014	->new
		1015	->start ($arg{pid})
		1016	->cb (sub {
		1017	$_[0]->stop; # need to cancel manually
		1018	$cb->($_[0]->rpid, $_[0]->rstatus);
		1019	})
653	}	1020	}
654		1021
655	sub DESTROY {	1022	sub DESTROY {
656	$_[0][1]->stop;	1023	$_[0][1]->stop;
657	}	1024	}
658		1025
659	sub condvar {	1026	# only needed for AnyEvent < 6 compatibility
660	bless \my $flag, urxvt::anyevent::condvar::	1027	sub one_event {
661	}
662
663	sub urxvt::anyevent::condvar::broadcast {
664	${$_[0]}++;
665	}
666
667	sub urxvt::anyevent::condvar::wait {
668	unless (${$_[0]}) {
669	require Carp;
670	Carp::croak ("AnyEvent->condvar blocking wait unsupported in urxvt, use a non-blocking API");	1028	Carp::croak "AnyEvent->one_event blocking wait unsupported in urxvt, use a non-blocking API";
		1029	}
		1030
		1031	package urxvt::term;
		1032
		1033	=head2 The C<urxvt::term> Class
		1034
		1035	=over 4
		1036
		1037	=cut
		1038
		1039	# find on_xxx subs in the package and register them
		1040	# as hooks
		1041	sub register_package {
		1042	my ($self, $pkg, $argv) = @_;
		1043
		1044	no strict 'refs';
		1045
		1046	urxvt::verbose 6, "register package $pkg to $self";
		1047
		1048	@{"$pkg\::ISA"} = urxvt::term::extension::;
		1049
		1050	my $proxy = bless {
		1051	_pkg => $pkg,
		1052	_name => ${"$pkg\::_NAME"}, # hackish
		1053	argv => $argv,
		1054	}, $pkg;
		1055	Scalar::Util::weaken ($proxy->{term} = $self);
		1056
		1057	$self->{_pkg}{$pkg} = $proxy;
		1058
		1059	for my $name (@HOOKNAME) {
		1060	if (my $ref = $pkg->can ("on_" . lc $name)) {
		1061	$proxy->enable ($name => $ref);
		1062	}
671	}	1063	}
672	}	1064	}
673		1065
674	package urxvt::term;	1066	sub perl_libdirs {
		1067	map { split /:/ }
		1068	$_[0]->resource ("perl_lib"),
		1069	$ENV{URXVT_PERL_LIB},
		1070	"$ENV{HOME}/.urxvt/ext",
		1071	"$LIBDIR/perl"
		1072	}
675		1073
676	=head2 The C<urxvt::term> Class	1074	sub scan_meta {
		1075	my ($self) = @_;
		1076	my @libdirs = perl_libdirs $self;
677		1077
678	=over 4	1078	return if $self->{meta_libdirs} eq join "\x00", @libdirs;
		1079
		1080	my %meta;
		1081
		1082	$self->{meta_libdirs} = join "\x00", @libdirs;
		1083	$self->{meta} = \%meta;
		1084
		1085	for my $dir (reverse @libdirs) {
		1086	opendir my $fh, $dir
		1087	or next;
		1088	for my $ext (readdir $fh) {
		1089	$ext !~ /^\./
		1090	and open my $fh, "<", "$dir/$ext"
		1091	or next;
		1092
		1093	while (<$fh>) {
		1094	if (/^#:META:X_RESOURCE:(.*)/) {
		1095	my ($pattern, $type, $desc) = split /:/, $1;
		1096	$pattern =~ s/^%(\.|$)/$ext$1/g; # % in pattern == extension name
		1097	if ($pattern =~ /[^a-zA-Z0-9\-\.]/) {
		1098	warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n";
		1099	} else {
		1100	$meta{resource}{$pattern} = [$ext, $type, $desc];
		1101	}
		1102	} elsif (/^\s*(?:#|$)/) {
		1103	# skip other comments and empty lines
		1104	} else {
		1105	last; # stop parsing on first non-empty non-comment line
		1106	}
		1107	}
		1108	}
		1109	}
		1110	}
		1111
		1112	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
		1113
		1114	Creates a new terminal, very similar as if you had started it with system
		1115	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
		1116	hash which defines the environment of the new terminal.
		1117
		1118	Croaks (and probably outputs an error message) if the new instance
		1119	couldn't be created. Returns C<undef> if the new instance didn't
		1120	initialise perl, and the terminal object otherwise. The C<init> and
		1121	C<start> hooks will be called before this call returns, and are free to
		1122	refer to global data (which is race free).
		1123
		1124	=cut
		1125
		1126	sub new {
		1127	my ($class, $env, @args) = @_;
		1128
		1129	$env or Carp::croak "environment hash missing in call to urxvt::term->new";
		1130	@args or Carp::croak "name argument missing in call to urxvt::term->new";
		1131
		1132	_new ([ map "$_=$env->{$_}", keys %$env ], \@args);
		1133	}
679		1134
680	=item $term->destroy	1135	=item $term->destroy
681		1136
682	Destroy the terminal object (close the window, free resources etc.).	1137	Destroy the terminal object (close the window, free resources
		1138	etc.). Please note that urxvt will not exit as long as any event
		1139	watchers (timers, io watchers) are still active.
		1140
		1141	=item $term->exec_async ($cmd[, @args])
		1142
		1143	Works like the combination of the C<fork>/C<exec> builtins, which executes
		1144	("starts") programs in the background. This function takes care of setting
		1145	the user environment before exec'ing the command (e.g. C<PATH>) and should
		1146	be preferred over explicit calls to C<exec> or C<system>.
		1147
		1148	Returns the pid of the subprocess or C<undef> on error.
		1149
		1150	=cut
		1151
		1152	sub exec_async {
		1153	my $self = shift;
		1154
		1155	my $pid = fork;
		1156
		1157	return $pid
		1158	if !defined $pid or $pid;
		1159
		1160	%ENV = %{ $self->env };
		1161
		1162	exec @_;
		1163	urxvt::_exit 255;
		1164	}
683		1165
684	=item $isset = $term->option ($optval[, $set])	1166	=item $isset = $term->option ($optval[, $set])
685		1167
686	Returns true if the option specified by C<$optval> is enabled, and	1168	Returns true if the option specified by C<$optval> is enabled, and
687	optionally change it. All option values are stored by name in the hash	1169	optionally change it. All option values are stored by name in the hash
688	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.	1170	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
689		1171
690	Here is a a likely non-exhaustive list of option names, please see the	1172	Here is a likely non-exhaustive list of option names, please see the
691	source file F</src/optinc.h> to see the actual list:	1173	source file F</src/optinc.h> to see the actual list:
692		1174
693	borderLess console cursorBlink cursorUnderline hold iconic insecure	1175	borderLess buffered console cursorBlink cursorUnderline hold iconic
694	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage	1176	insecure intensityStyles iso14755 iso14755_52 jumpScroll loginShell
		1177	mapAlert meta8 mouseWheelScrollPage override_redirect pastableTabs
695	pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating	1178	pointerBlank reverseVideo scrollBar scrollBar_floating scrollBar_right
696	scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer	1179	scrollTtyKeypress scrollTtyOutput scrollWithBuffer secondaryScreen
697	secondaryScreen secondaryScroll skipBuiltinGlyphs transparent	1180	secondaryScroll skipBuiltinGlyphs skipScroll transparent tripleclickwords
698	tripleclickwords utmpInhibit visualBell	1181	urgentOnBell utmpInhibit visualBell
699		1182
700	=item $value = $term->resource ($name[, $newval])	1183	=item $value = $term->resource ($name[, $newval])
701		1184
702	Returns the current resource value associated with a given name and	1185	Returns the current resource value associated with a given name and
703	optionally sets a new value. Setting values is most useful in the C<init>	1186	optionally sets a new value. Setting values is most useful in the C<init>
…		…
712	likely change).	1195	likely change).
713		1196
714	Please note that resource strings will currently only be freed when the	1197	Please note that resource strings will currently only be freed when the
715	terminal is destroyed, so changing options frequently will eat memory.	1198	terminal is destroyed, so changing options frequently will eat memory.
716		1199
717	Here is a a likely non-exhaustive list of resource names, not all of which	1200	Here is a likely non-exhaustive list of resource names, not all of which
718	are supported in every build, please see the source file F</src/rsinc.h>	1201	are supported in every build, please see the source file F</src/rsinc.h>
719	to see the actual list:	1202	to see the actual list:
720		1203
721	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont	1204	answerbackstring backgroundPixmap backspace_key blurradius
722	borderLess color cursorBlink cursorUnderline cutchars delete_key	1205	boldFont boldItalicFont borderLess buffered chdir color cursorBlink
723	display_name embed ext_bwidth fade font geometry hold iconName	1206	cursorUnderline cutchars delete_key depth display_name embed ext_bwidth
724	imFont imLocale inputMethod insecure int_bwidth intensityStyles	1207	fade font geometry hold iconName iconfile imFont imLocale inputMethod
		1208	insecure int_bwidth intensityStyles iso14755 iso14755_52 italicFont
725	italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier	1209	jumpScroll letterSpace lineSpace loginShell mapAlert meta8 modifier
726	mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2	1210	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
727	perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd	1211	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
728	reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating	1212	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
729	scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput	1213	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
730	scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle	1214	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
731	shade term_name title transparent transparent_all tripleclickwords	1215	secondaryScreen secondaryScroll shade skipBuiltinGlyphs skipScroll
		1216	term_name title transient_for transparent tripleclickwords urgentOnBell
732	utmpInhibit visualBell	1217	utmpInhibit visualBell
733		1218
734	=cut	1219	=cut
735		1220
736	sub resource($$;$) {	1221	sub resource($$;$) {
737	my ($self, $name) = (shift, shift);	1222	my ($self, $name) = (shift, shift);
738	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);	1223	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
739	&urxvt::term::_resource	1224	goto &urxvt::term::_resource
740	}	1225	}
		1226
		1227	=item $value = $term->x_resource ($pattern)
		1228
		1229	Returns the X-Resource for the given pattern, excluding the program or
		1230	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
		1231	same value as used by this instance of rxvt-unicode. Returns C<undef> if no
		1232	resource with that pattern exists.
		1233
		1234	Extensions that define extra resource or command line arguments also need
		1235	to call this method to access their values.
		1236
		1237	If the method is called on an extension object (basically, from an
		1238	extension), then the special prefix C<%.> will be replaced by the name of
		1239	the extension and a dot, and the lone string C<%> will be replaced by the
		1240	extension name itself. This makes it possible to code extensions so you
		1241	can rename them and get a new set of commandline switches and resources
		1242	without having to change the actual code.
		1243
		1244	This method should only be called during the C<on_start> hook, as there is
		1245	only one resource database per display, and later invocations might return
		1246	the wrong resources.
		1247
		1248	=item $value = $term->x_resource_boolean ($pattern)
		1249
		1250	Like C<x_resource>, above, but interprets the string value as a boolean
		1251	and returns C<1> for true values, C<0> for false values and C<undef> if
		1252	the resource or option isn't specified.
		1253
		1254	You should always use this method to parse boolean resources.
		1255
		1256	=cut
		1257
		1258	sub x_resource_boolean {
		1259	my $res = &x_resource;
		1260
		1261	$res =~ /^\s*(?:true|yes|on|1)\s*$/i ? 1 : defined $res && 0
		1262	}
		1263
		1264	=item $success = $term->parse_keysym ($key, $octets)
		1265
		1266	Adds a key binding exactly as specified via a resource. See the
		1267	C<keysym> resource in the urxvt(1) manpage.
		1268
		1269	=item $term->register_command ($keysym, $modifiermask, $string)
		1270
		1271	Adds a key binding. This is a lower level api compared to
		1272	C<parse_keysym>, as it expects a parsed key description, and can be
		1273	used only inside either the C<on_init> hook, to add a binding, or the
		1274	C<on_register_command> hook, to modify a parsed binding.
741		1275
742	=item $rend = $term->rstyle ([$new_rstyle])	1276	=item $rend = $term->rstyle ([$new_rstyle])
743		1277
744	Return and optionally change the current rendition. Text that is output by	1278	Return and optionally change the current rendition. Text that is output by
745	the terminal application will use this style.	1279	the terminal application will use this style.
…		…
753		1287
754	=item ($row, $col) = $term->selection_beg ([$row, $col])	1288	=item ($row, $col) = $term->selection_beg ([$row, $col])
755		1289
756	=item ($row, $col) = $term->selection_end ([$row, $col])	1290	=item ($row, $col) = $term->selection_end ([$row, $col])
757		1291
758	Return the current values of the selection mark, begin or end positions,	1292	Return the current values of the selection mark, begin or end positions.
759	and optionally set them to new values.
760		1293
		1294	When arguments are given, then the selection coordinates are set to
		1295	C<$row> and C<$col>, and the selection screen is set to the current
		1296	screen.
		1297
		1298	=item $screen = $term->selection_screen ([$screen])
		1299
		1300	Returns the current selection screen, and then optionally sets it.
		1301
		1302	=item $term->selection_make ($eventtime[, $rectangular])
		1303
		1304	Tries to make a selection as set by C<selection_beg> and
		1305	C<selection_end>. If C<$rectangular> is true (default: false), a
		1306	rectangular selection will be made. This is the preferred function to make
		1307	a selection.
		1308
761	=item $success = $term->selection_grab ($eventtime)	1309	=item $success = $term->selection_grab ($eventtime[, $clipboard])
762		1310
763	Try to request the primary selection from the server (for example, as set	1311	Try to acquire ownership of the primary (clipboard if C<$clipboard> is
764	by the next method).	1312	true) selection from the server. The corresponding text can be set
		1313	with the next method. No visual feedback will be given. This function
		1314	is mostly useful from within C<on_sel_grab> hooks.
765		1315
766	=item $oldtext = $term->selection ([$newtext])	1316	=item $oldtext = $term->selection ([$newtext, $clipboard])
767		1317
768	Return the current selection text and optionally replace it by C<$newtext>.	1318	Return the current selection (clipboard if C<$clipboard> is true) text
		1319	and optionally replace it by C<$newtext>.
769		1320
		1321	=item $term->selection_clear ([$clipboard])
		1322
		1323	Revoke ownership of the primary (clipboard if C<$clipboard> is true) selection.
		1324
770	#=item $term->overlay ($x, $y, $text)	1325	=item $term->overlay_simple ($x, $y, $text)
771	#	1326
772	#Create a simple multi-line overlay box. See the next method for details.	1327	Create a simple multi-line overlay box. See the next method for details.
773	#	1328
774	#=cut	1329	=cut
775	#	1330
776	#sub urxvt::term::scr_overlay {	1331	sub overlay_simple {
777	# my ($self, $x, $y, $text) = @_;	1332	my ($self, $x, $y, $text) = @_;
778	#	1333
779	# my @lines = split /\n/, $text;	1334	my @lines = split /\n/, $text;
780	#	1335
781	# my $w = 0;	1336	my $w = List::Util::max map $self->strwidth ($_), @lines;
782	# for (map $self->strwidth ($_), @lines) {	1337
783	# $w = $_ if $w < $_;
784	# }
785	#
786	# $self->scr_overlay_new ($x, $y, $w, scalar @lines);	1338	my $overlay = $self->overlay ($x, $y, $w, scalar @lines);
787	# $self->scr_overlay_set (0, $_, $lines[$_]) for 0.. $#lines;	1339	$overlay->set (0, $_, $lines[$_]) for 0.. $#lines;
788	#}	1340
		1341	$overlay
		1342	}
789		1343
790	=item $term->overlay ($x, $y, $width, $height[, $rstyle[, $border]])	1344	=item $term->overlay ($x, $y, $width, $height[, $rstyle[, $border]])
791		1345
792	Create a new (empty) overlay at the given position with the given	1346	Create a new (empty) overlay at the given position with the given
793	width/height. C<$rstyle> defines the initial rendition style	1347	width/height. C<$rstyle> defines the initial rendition style
…		…
804		1358
805	The methods currently supported on C<urxvt::overlay> objects are:	1359	The methods currently supported on C<urxvt::overlay> objects are:
806		1360
807	=over 4	1361	=over 4
808		1362
809	=item $overlay->set ($x, $y, $text, $rend)	1363	=item $overlay->set ($x, $y, $text[, $rend])
810		1364
811	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts	1365	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts
812	text in rxvt-unicode's special encoding and an array of rendition values	1366	text in rxvt-unicode's special encoding and an array of rendition values
813	at a specific position inside the overlay.	1367	at a specific position inside the overlay.
		1368
		1369	If C<$rend> is missing, then the rendition will not be changed.
814		1370
815	=item $overlay->hide	1371	=item $overlay->hide
816		1372
817	If visible, hide the overlay, but do not destroy it.	1373	If visible, hide the overlay, but do not destroy it.
818		1374
…		…
860		1416
861	=item $string = $term->locale_decode ($octets)	1417	=item $string = $term->locale_decode ($octets)
862		1418
863	Convert the given locale-encoded octets into a perl string.	1419	Convert the given locale-encoded octets into a perl string.
864		1420
		1421	=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])
		1422
		1423	XORs the rendition values in the given span with the provided value
		1424	(default: C<RS_RVid>), which I<MUST NOT> contain font styles. Useful in
		1425	refresh hooks to provide effects similar to the selection.
		1426
		1427	=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])
		1428
		1429	Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing
		1430	whitespace will additionally be xored with the C<$rstyle2>, which defaults
		1431	to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines
		1432	it instead. Both styles I<MUST NOT> contain font styles.
		1433
		1434	=item $term->scr_bell
		1435
		1436	Ring the bell!
		1437
865	=item $term->scr_add_lines ($string)	1438	=item $term->scr_add_lines ($string)
866		1439
867	Write the given text string to the screen, as if output by the application	1440	Write the given text string to the screen, as if output by the application
868	running inside the terminal. It may not contain command sequences (escape	1441	running inside the terminal. It may not contain command sequences (escape
869	codes), but is free to use line feeds, carriage returns and tabs. The	1442	codes), but is free to use line feeds, carriage returns and tabs. The
…		…
871		1444
872	Normally its not a good idea to use this function, as programs might be	1445	Normally its not a good idea to use this function, as programs might be
873	confused by changes in cursor position or scrolling. Its useful inside a	1446	confused by changes in cursor position or scrolling. Its useful inside a
874	C<on_add_lines> hook, though.	1447	C<on_add_lines> hook, though.
875		1448
		1449	=item $term->scr_change_screen ($screen)
		1450
		1451	Switch to given screen - 0 primary, 1 secondary.
		1452
876	=item $term->cmd_parse ($octets)	1453	=item $term->cmd_parse ($octets)
877		1454
878	Similar to C<scr_add_lines>, but the argument must be in the	1455	Similar to C<scr_add_lines>, but the argument must be in the
879	locale-specific encoding of the terminal and can contain command sequences	1456	locale-specific encoding of the terminal and can contain command sequences
880	(escape codes) that will be interpreted.	1457	(escape codes) that will be interpreted.
881		1458
882	=item $term->tt_write ($octets)	1459	=item $term->tt_write ($octets)
883		1460
884	Write the octets given in C<$data> to the tty (i.e. as program input). To	1461	Write the octets given in C<$octets> to the tty (i.e. as program input). To
885	pass characters instead of octets, you should convert your strings first	1462	pass characters instead of octets, you should convert your strings first
886	to the locale-specific encoding using C<< $term->locale_encode >>.	1463	to the locale-specific encoding using C<< $term->locale_encode >>.
887		1464
		1465	=item $term->tt_paste ($octets)
		1466
		1467	Write the octets given in C<$octets> to the tty as a paste, converting NL to
		1468	CR and bracketing the data with control sequences if bracketed paste mode
		1469	is set.
		1470
		1471	=item $old_events = $term->pty_ev_events ([$new_events])
		1472
		1473	Replaces the event mask of the pty watcher by the given event mask. Can
		1474	be used to suppress input and output handling to the pty/tty. See the
		1475	description of C<< urxvt::timer->events >>. Make sure to always restore
		1476	the previous value.
		1477
		1478	=item $fd = $term->pty_fd
		1479
		1480	Returns the master file descriptor for the pty in use, or C<-1> if no pty
		1481	is used.
		1482
888	=item $windowid = $term->parent	1483	=item $windowid = $term->parent
889		1484
890	Return the window id of the toplevel window.	1485	Return the window id of the toplevel window.
891		1486
892	=item $windowid = $term->vt	1487	=item $windowid = $term->vt
893		1488
894	Return the window id of the terminal window.	1489	Return the window id of the terminal window.
895		1490
		1491	=item $term->vt_emask_add ($x_event_mask)
		1492
		1493	Adds the specified events to the vt event mask. Useful e.g. when you want
		1494	to receive pointer events all the times:
		1495
		1496	$term->vt_emask_add (urxvt::PointerMotionMask);
		1497
		1498	=item $term->set_urgency ($set)
		1499
		1500	Enable/disable the urgency hint on the toplevel window.
		1501
		1502	=item $term->focus_in
		1503
		1504	=item $term->focus_out
		1505
		1506	=item $term->key_press ($state, $keycode[, $time])
		1507
		1508	=item $term->key_release ($state, $keycode[, $time])
		1509
		1510	Deliver various fake events to to terminal.
		1511
896	=item $window_width = $term->width	1512	=item $window_width = $term->width
897		1513
898	=item $window_height = $term->height	1514	=item $window_height = $term->height
899		1515
900	=item $font_width = $term->fwidth	1516	=item $font_width = $term->fwidth
…		…
913		1529
914	=item $max_scrollback = $term->saveLines	1530	=item $max_scrollback = $term->saveLines
915		1531
916	=item $nrow_plus_saveLines = $term->total_rows	1532	=item $nrow_plus_saveLines = $term->total_rows
917		1533
918	=item $lines_in_scrollback = $term->nsaved	1534	=item $topmost_scrollback_row = $term->top_row
919		1535
920	Return various integers describing terminal characteristics.	1536	Return various integers describing terminal characteristics.
		1537
		1538	=item $x_display = $term->display_id
		1539
		1540	Return the DISPLAY used by rxvt-unicode.
		1541
		1542	=item $lc_ctype = $term->locale
		1543
		1544	Returns the LC_CTYPE category string used by this rxvt-unicode.
		1545
		1546	=item $env = $term->env
		1547
		1548	Returns a copy of the environment in effect for the terminal as a hashref
		1549	similar to C<\%ENV>.
		1550
		1551	=item @envv = $term->envv
		1552
		1553	Returns the environment as array of strings of the form C<VAR=VALUE>.
		1554
		1555	=item @argv = $term->argv
		1556
		1557	Return the argument vector as this terminal, similar to @ARGV, but
		1558	includes the program name as first element.
		1559
		1560	=cut
		1561
		1562	sub env {
		1563	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), $_[0]->envv }
		1564	}
921		1565
922	=item $modifiermask = $term->ModLevel3Mask	1566	=item $modifiermask = $term->ModLevel3Mask
923		1567
924	=item $modifiermask = $term->ModMetaMask	1568	=item $modifiermask = $term->ModMetaMask
925		1569
926	=item $modifiermask = $term->ModNumLockMask	1570	=item $modifiermask = $term->ModNumLockMask
927		1571
928	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often	1572	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
929	AltGr), the meta key (often Alt) and the num lock key, if applicable.	1573	AltGr), the meta key (often Alt) and the num lock key, if applicable.
930		1574
		1575	=item $screen = $term->current_screen
		1576
		1577	Returns the currently displayed screen (0 primary, 1 secondary).
		1578
		1579	=item $cursor_is_hidden = $term->hidden_cursor
		1580
		1581	Returns whether the cursor is currently hidden or not.
		1582
931	=item $view_start = $term->view_start ([$newvalue])	1583	=item $view_start = $term->view_start ([$newvalue])
932		1584
933	Returns the negative row number of the topmost line. Minimum value is	1585	Returns the row number of the topmost displayed line. Maximum value is
934	C<0>, which displays the normal terminal contents. Larger values scroll	1586	C<0>, which displays the normal terminal contents. Lower values scroll
935	this many lines into the scrollback buffer.	1587	this many lines into the scrollback buffer.
936		1588
937	=item $term->want_refresh	1589	=item $term->want_refresh
938		1590
939	Requests a screen refresh. At the next opportunity, rxvt-unicode will	1591	Requests a screen refresh. At the next opportunity, rxvt-unicode will
…		…
942		1594
943	Used after changing terminal contents to display them.	1595	Used after changing terminal contents to display them.
944		1596
945	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])	1597	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
946		1598
947	Returns the text of the entire row with number C<$row_number>. Row C<0>	1599	Returns the text of the entire row with number C<$row_number>. Row C<< $term->top_row >>
948	is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost	1600	is the topmost terminal line, row C<< $term->nrow-1 >> is the bottommost
949	terminal line. The scrollback buffer starts at line C<-1> and extends to
950	line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line	1601	terminal line. Nothing will be returned if a nonexistent line
951	is requested.	1602	is requested.
952		1603
953	If C<$new_text> is specified, it will replace characters in the current	1604	If C<$new_text> is specified, it will replace characters in the current
954	line, starting at column C<$start_col> (default C<0>), which is useful	1605	line, starting at column C<$start_col> (default C<0>), which is useful
955	to replace only parts of a line. The font index in the rendition will	1606	to replace only parts of a line. The font index in the rendition will
956	automatically be updated.	1607	automatically be updated.
957		1608
958	C<$text> is in a special encoding: tabs and wide characters that use more	1609	C<$text> is in a special encoding: tabs and wide characters that use more
959	than one cell when displayed are padded with urxvt::NOCHAR characters	1610	than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
960	(C<chr 65535>). Characters with combining characters and other characters	1611	characters. Characters with combining characters and other characters that
961	that do not fit into the normal tetx encoding will be replaced with	1612	do not fit into the normal text encoding will be replaced with characters
962	characters in the private use area.	1613	in the private use area.
963		1614
964	You have to obey this encoding when changing text. The advantage is	1615	You have to obey this encoding when changing text. The advantage is
965	that C<substr> and similar functions work on screen cells and not on	1616	that C<substr> and similar functions work on screen cells and not on
966	characters.	1617	characters.
967		1618
…		…
1018	Return the row number of the first/last row of the line, respectively.	1669	Return the row number of the first/last row of the line, respectively.
1019		1670
1020	=item $offset = $line->offset_of ($row, $col)	1671	=item $offset = $line->offset_of ($row, $col)
1021		1672
1022	Returns the character offset of the given row|col pair within the logical	1673	Returns the character offset of the given row|col pair within the logical
1023	line.	1674	line. Works for rows outside the line, too, and returns corresponding
		1675	offsets outside the string.
1024		1676
1025	=item ($row, $col) = $line->coord_of ($offset)	1677	=item ($row, $col) = $line->coord_of ($offset)
1026		1678
1027	Translates a string offset into terminal coordinates again.	1679	Translates a string offset into terminal coordinates again.
1028		1680
…		…
1050	}	1702	}
1051		1703
1052	sub urxvt::line::t {	1704	sub urxvt::line::t {
1053	my ($self) = @_;	1705	my ($self) = @_;
1054		1706
1055	if (@_ > 1)	1707	if (@_ > 1) {
1056	{
1057	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1708	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1058	for $self->{beg} .. $self->{end};	1709	for $self->{beg} .. $self->{end};
1059	}	1710	}
1060		1711
1061	defined wantarray &&	1712	defined wantarray &&
1062	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),	1713	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),
1063	0, $self->{len}	1714	0, $self->{len}
1064	}	1715	}
1065		1716
1066	sub urxvt::line::r {	1717	sub urxvt::line::r {
1067	my ($self) = @_;	1718	my ($self) = @_;
1068		1719
1069	if (@_ > 1)	1720	if (@_ > 1) {
1070	{
1071	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1721	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1072	for $self->{beg} .. $self->{end};	1722	for $self->{beg} .. $self->{end};
1073	}	1723	}
1074		1724
1075	if (defined wantarray) {	1725	if (defined wantarray) {
1076	my $rend = [	1726	my $rend = [
1077	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}	1727	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}
1078	];	1728	];
…		…
1110	where one character corresponds to one screen cell. See	1760	where one character corresponds to one screen cell. See
1111	C<< $term->ROW_t >> for details.	1761	C<< $term->ROW_t >> for details.
1112		1762
1113	=item $string = $term->special_decode $text	1763	=item $string = $term->special_decode $text
1114		1764
1115	Converts rxvt-unicodes text reprsentation into a perl string. See	1765	Converts rxvt-unicodes text representation into a perl string. See
1116	C<< $term->ROW_t >> for details.	1766	C<< $term->ROW_t >> for details.
1117		1767
1118	=item $success = $term->grab_button ($button, $modifiermask)	1768	=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
1119		1769
		1770	=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
		1771
1120	Registers a synchronous button grab. See XGrabButton.	1772	Register/unregister a synchronous button grab. See the XGrabButton
		1773	manpage.
1121		1774
1122	=item $success = $term->grab ($eventtime[, $sync])	1775	=item $success = $term->grab ($eventtime[, $sync])
1123		1776
1124	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or	1777	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1125	synchronous (C<$sync> is true). Also remembers the grab timestampe.	1778	synchronous (C<$sync> is true). Also remembers the grab timestamp.
1126		1779
1127	=item $term->allow_events_async	1780	=item $term->allow_events_async
1128		1781
1129	Calls XAllowEvents with AsyncBoth for the most recent grab.	1782	Calls XAllowEvents with AsyncBoth for the most recent grab.
1130		1783
…		…
1137	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most	1790	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
1138	recent grab.	1791	recent grab.
1139		1792
1140	=item $term->ungrab	1793	=item $term->ungrab
1141		1794
1142	Calls XUngrab for the most recent grab. Is called automatically on	1795	Calls XUngrabPointer and XUngrabKeyboard for the most recent grab. Is called automatically on
1143	evaluation errors, as it is better to lose the grab in the error case as	1796	evaluation errors, as it is better to lose the grab in the error case as
1144	the session.	1797	the session.
		1798
		1799	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
		1800
		1801	=item $atom_name = $term->XGetAtomName ($atom)
		1802
		1803	=item @atoms = $term->XListProperties ($window)
		1804
		1805	=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
		1806
		1807	=item $term->XChangeProperty ($window, $property, $type, $format, $octets)
		1808
		1809	=item $term->XDeleteProperty ($window, $property)
		1810
		1811	=item $window = $term->DefaultRootWindow
		1812
		1813	=item $term->XReparentWindow ($window, $parent, [$x, $y])
		1814
		1815	=item $term->XMapWindow ($window)
		1816
		1817	=item $term->XUnmapWindow ($window)
		1818
		1819	=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
		1820
		1821	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
		1822
		1823	=item $term->XChangeInput ($window, $add_events[, $del_events])
		1824
		1825	=item $keysym = $term->XStringToKeysym ($string)
		1826
		1827	=item $string = $term->XKeysymToString ($keysym)
		1828
		1829	Various X or X-related functions. The C<$term> object only serves as
		1830	the source of the display, otherwise those functions map more-or-less
		1831	directly onto the X functions of the same name.
1145		1832
1146	=back	1833	=back
1147		1834
1148	=cut	1835	=cut
1149		1836
…		…
1165	$item->{render} ||= sub { $_[0]{text} };	1852	$item->{render} ||= sub { $_[0]{text} };
1166		1853
1167	push @{ $self->{item} }, $item;	1854	push @{ $self->{item} }, $item;
1168	}	1855	}
1169		1856
1170	sub add_separator {	1857	=item $popup->add_title ($title)
1171	my ($self, $sep) = @_;
1172		1858
1173	$sep ||= "═";	1859	Adds a non-clickable title to the popup.
1174		1860
1175	$self->add_item ({	1861	=cut
1176	rend => { normal => "\x1b[0;30;47m", hover => "\x1b[0;30;47m", active => "\x1b[0;30;47m" },
1177	text => "",
1178	render => sub { $sep x $urxvt::TERM->ncol },
1179	activate => sub { },
1180	});
1181	}
1182		1862
1183	sub add_title {	1863	sub add_title {
1184	my ($self, $title) = @_;	1864	my ($self, $title) = @_;
1185		1865
1186	$self->add_item ({	1866	$self->add_item ({
…		…
1188	text => $title,	1868	text => $title,
1189	activate => sub { },	1869	activate => sub { },
1190	});	1870	});
1191	}	1871	}
1192		1872
		1873	=item $popup->add_separator ([$sepchr])
		1874
		1875	Creates a separator, optionally using the character given as C<$sepchr>.
		1876
		1877	=cut
		1878
		1879	sub add_separator {
		1880	my ($self, $sep) = @_;
		1881
		1882	$sep ||= "=";
		1883
		1884	$self->add_item ({
		1885	rend => { normal => "\x1b[0;30;47m", hover => "\x1b[0;30;47m", active => "\x1b[0;30;47m" },
		1886	text => "",
		1887	render => sub { $sep x $self->{term}->ncol },
		1888	activate => sub { },
		1889	});
		1890	}
		1891
		1892	=item $popup->add_button ($text, $cb)
		1893
		1894	Adds a clickable button to the popup. C<$cb> is called whenever it is
		1895	selected.
		1896
		1897	=cut
		1898
1193	sub add_button {	1899	sub add_button {
1194	my ($self, $text, $cb) = @_;	1900	my ($self, $text, $cb) = @_;
1195		1901
1196	$self->add_item ({ type => "button", text => "[ $text ]", activate => $cb});	1902	$self->add_item ({ type => "button", text => $text, activate => $cb});
1197	}	1903	}
		1904
		1905	=item $popup->add_toggle ($text, $initial_value, $cb)
		1906
		1907	Adds a toggle/checkbox item to the popup. The callback gets called
		1908	whenever it gets toggled, with a boolean indicating its new value as its
		1909	first argument.
		1910
		1911	=cut
1198		1912
1199	sub add_toggle {	1913	sub add_toggle {
1200	my ($self, $text, $cb, $value) = @_;	1914	my ($self, $text, $value, $cb) = @_;
1201		1915
1202	my $item; $item = {	1916	my $item; $item = {
1203	type => "button",	1917	type => "button",
1204	text => " $text",	1918	text => " $text",
1205	value => $value,	1919	value => $value,
1206	render => sub { ($_[0]{value} ? "* " : " ") . $text },	1920	render => sub { ($_[0]{value} ? "* " : " ") . $text },
1207	activate => sub { $cb->($_[0]{value} = !$_[0]{value}); },	1921	activate => sub { $cb->($_[1]{value} = !$_[1]{value}); },
1208	};	1922	};
1209		1923
1210	$self->add_item ($item);	1924	$self->add_item ($item);
1211	}	1925	}
		1926
		1927	=item $popup->show
		1928
		1929	Displays the popup (which is initially hidden).
		1930
		1931	=cut
1212		1932
1213	sub show {	1933	sub show {
1214	my ($self) = @_;	1934	my ($self) = @_;
1215		1935
1216	local $urxvt::popup::self = $self;	1936	local $urxvt::popup::self = $self;
1217		1937
1218	urxvt->new ("--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0,	1938	my $env = $self->{term}->env;
		1939	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
		1940	delete $env->{LC_ALL};
		1941	$env->{LC_CTYPE} = $self->{term}->locale;
		1942
		1943	my $term = urxvt::term->new (
		1944	$env, "popup",
		1945	"--perl-lib" => "", "--perl-ext-common" => "",
		1946	"-pty-fd" => -1, "-sl" => 0,
		1947	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1219	"--transient-for" => $self->{term}->parent,	1948	"--transient-for" => $self->{term}->parent,
1220	"-display" => $self->{term}->display_id,	1949	"-display" => $self->{term}->display_id,
1221	"-pe" => "urxvt-popup")	1950	"-pe" => "urxvt-popup",
1222	or die "unable to create popup window\n";	1951	) or die "unable to create popup window\n";
		1952
		1953	unless (delete $term->{urxvt_popup_init_done}) {
		1954	$term->ungrab;
		1955	$term->destroy;
		1956	die "unable to initialise popup window\n";
		1957	}
1223	}	1958	}
1224		1959
1225	sub DESTROY {	1960	sub DESTROY {
1226	my ($self) = @_;	1961	my ($self) = @_;
1227		1962
1228	delete $self->{term}{_destroy}{$self};	1963	delete $self->{term}{_destroy}{$self};
1229	$self->{term}->ungrab;	1964	$self->{term}->ungrab;
1230	}	1965	}
		1966
		1967	=back
		1968
		1969	=cut
		1970
		1971	package urxvt::watcher;
1231		1972
1232	=head2 The C<urxvt::timer> Class	1973	=head2 The C<urxvt::timer> Class
1233		1974
1234	This class implements timer watchers/events. Time is represented as a	1975	This class implements timer watchers/events. Time is represented as a
1235	fractional number of seconds since the epoch. Example:	1976	fractional number of seconds since the epoch. Example:
…		…
1239	->new	1980	->new
1240	->interval (1)	1981	->interval (1)
1241	->cb (sub {	1982	->cb (sub {
1242	$term->{overlay}->set (0, 0,	1983	$term->{overlay}->set (0, 0,
1243	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);	1984	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
1244	});	1985	});
1245		1986
1246	=over 4	1987	=over 4
1247		1988
1248	=item $timer = new urxvt::timer	1989	=item $timer = new urxvt::timer
1249		1990
…		…
1252		1993
1253	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })	1994	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })
1254		1995
1255	Set the callback to be called when the timer triggers.	1996	Set the callback to be called when the timer triggers.
1256		1997
1257	=item $tstamp = $timer->at
1258
1259	Return the time this watcher will fire next.
1260
1261	=item $timer = $timer->set ($tstamp)	1998	=item $timer = $timer->set ($tstamp[, $interval])
1262		1999
1263	Set the time the event is generated to $tstamp.	2000	Set the time the event is generated to $tstamp (and optionally specifies a
		2001	new $interval).
1264		2002
1265	=item $timer = $timer->interval ($interval)	2003	=item $timer = $timer->interval ($interval)
1266		2004
1267	Normally (and when C<$interval> is C<0>), the timer will automatically	2005	By default (and when C<$interval> is C<0>), the timer will automatically
1268	stop after it has fired once. If C<$interval> is non-zero, then the timer	2006	stop after it has fired once. If C<$interval> is non-zero, then the timer
1269	is automatically rescheduled at the given intervals.	2007	is automatically rescheduled at the given intervals.
1270		2008
1271	=item $timer = $timer->start	2009	=item $timer = $timer->start
1272		2010
1273	Start the timer.	2011	Start the timer.
1274		2012
1275	=item $timer = $timer->start ($tstamp)	2013	=item $timer = $timer->start ($tstamp[, $interval])
1276		2014
1277	Set the event trigger time to C<$tstamp> and start the timer.	2015	Set the event trigger time to C<$tstamp> and start the timer. Optionally
		2016	also replaces the interval.
		2017
		2018	=item $timer = $timer->after ($delay[, $interval])
		2019
		2020	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1278		2021
1279	=item $timer = $timer->stop	2022	=item $timer = $timer->stop
1280		2023
1281	Stop the timer.	2024	Stop the timer.
1282		2025
…		…
1288		2031
1289	$term->{socket} = ...	2032	$term->{socket} = ...
1290	$term->{iow} = urxvt::iow	2033	$term->{iow} = urxvt::iow
1291	->new	2034	->new
1292	->fd (fileno $term->{socket})	2035	->fd (fileno $term->{socket})
1293	->events (1) # wait for read data	2036	->events (urxvt::EV_READ)
1294	->start	2037	->start
1295	->cb (sub {	2038	->cb (sub {
1296	my ($iow, $revents) = @_;	2039	my ($iow, $revents) = @_;
1297	# $revents must be 1 here, no need to check	2040	# $revents must be 1 here, no need to check
1298	sysread $term->{socket}, my $buf, 8192	2041	sysread $term->{socket}, my $buf, 8192
…		…
1311	Set the callback to be called when io events are triggered. C<$reventmask>	2054	Set the callback to be called when io events are triggered. C<$reventmask>
1312	is a bitset as described in the C<events> method.	2055	is a bitset as described in the C<events> method.
1313		2056
1314	=item $iow = $iow->fd ($fd)	2057	=item $iow = $iow->fd ($fd)
1315		2058
1316	Set the filedescriptor (not handle) to watch.	2059	Set the file descriptor (not handle) to watch.
1317		2060
1318	=item $iow = $iow->events ($eventmask)	2061	=item $iow = $iow->events ($eventmask)
1319		2062
1320	Set the event mask to watch. Bit #0 (value C<1>) enables watching for read	2063	Set the event mask to watch. The only allowed values are
1321	data, Bit #1 (value C<2>) enables watching for write data.	2064	C<urxvt::EV_READ> and C<urxvt::EV_WRITE>, which might be ORed
		2065	together, or C<urxvt::EV_NONE>.
1322		2066
1323	=item $iow = $iow->start	2067	=item $iow = $iow->start
1324		2068
1325	Start watching for requested events on the given handle.	2069	Start watching for requested events on the given handle.
1326		2070
1327	=item $iow = $iow->stop	2071	=item $iow = $iow->stop
1328		2072
1329	Stop watching for events on the given filehandle.	2073	Stop watching for events on the given file handle.
		2074
		2075	=back
		2076
		2077	=head2 The C<urxvt::iw> Class
		2078
		2079	This class implements idle watchers, that get called automatically when
		2080	the process is idle. They should return as fast as possible, after doing
		2081	some useful work.
		2082
		2083	=over 4
		2084
		2085	=item $iw = new urxvt::iw
		2086
		2087	Create a new idle watcher object in stopped state.
		2088
		2089	=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
		2090
		2091	Set the callback to be called when the watcher triggers.
		2092
		2093	=item $timer = $timer->start
		2094
		2095	Start the watcher.
		2096
		2097	=item $timer = $timer->stop
		2098
		2099	Stop the watcher.
		2100
		2101	=back
		2102
		2103	=head2 The C<urxvt::pw> Class
		2104
		2105	This class implements process watchers. They create an event whenever a
		2106	process exits, after which they stop automatically.
		2107
		2108	my $pid = fork;
		2109	...
		2110	$term->{pw} = urxvt::pw
		2111	->new
		2112	->start ($pid)
		2113	->cb (sub {
		2114	my ($pw, $exit_status) = @_;
		2115	...
		2116	});
		2117
		2118	=over 4
		2119
		2120	=item $pw = new urxvt::pw
		2121
		2122	Create a new process watcher in stopped state.
		2123
		2124	=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
		2125
		2126	Set the callback to be called when the timer triggers.
		2127
		2128	=item $pw = $timer->start ($pid)
		2129
		2130	Tells the watcher to start watching for process C<$pid>.
		2131
		2132	=item $pw = $pw->stop
		2133
		2134	Stop the watcher.
1330		2135
1331	=back	2136	=back
1332		2137
1333	=head1 ENVIRONMENT	2138	=head1 ENVIRONMENT
1334		2139
…		…
1341		2146
1342	=item == 0 - fatal messages	2147	=item == 0 - fatal messages
1343		2148
1344	=item >= 3 - script loading and management	2149	=item >= 3 - script loading and management
1345		2150
1346	=item >=10 - all events received	2151	=item >=10 - all called hooks
		2152
		2153	=item >=11 - hook return values
1347		2154
1348	=back	2155	=back
1349		2156
1350	=head1 AUTHOR	2157	=head1 AUTHOR
1351		2158
1352	Marc Lehmann <pcg@goof.com>	2159	Marc Lehmann <schmorp@schmorp.de>
1353	http://software.schmorp.de/pkg/rxvt-unicode	2160	http://software.schmorp.de/pkg/rxvt-unicode
1354		2161
1355	=cut	2162	=cut
1356		2163
1357	1	2164	1
		2165
		2166	# vim: sw=3:

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