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Revision 1.88 by root, Thu Jan 12 12:05:28 2006 UTC vs.
Revision 1.243 by sf-exg, Sat Oct 11 22:02:50 2014 UTC

1	=encoding utf8	1	=encoding utf8
2		2
3	=head1 NAME	3	=head1 NAME
4		4
5	@@RXVT_NAME@@perl - rxvt-unicode's embedded perl interpreter	5	urxvtperl - rxvt-unicode's embedded perl interpreter
6		6
7	=head1 SYNOPSIS	7	=head1 SYNOPSIS
8		8
9	# create a file grab_test in $HOME:	9	# create a file grab_test in $HOME:
10		10
11	sub on_sel_grab {	11	sub on_sel_grab {
12	warn "you selected ", $_[0]->selection;	12	warn "you selected ", $_[0]->selection;
13	()	13	()
14	}	14	}
15		15
16	# start a @@RXVT_NAME@@ using it:	16	# start a urxvt using it:
17		17
18	@@RXVT_NAME@@ --perl-lib $HOME -pe grab_test	18	urxvt --perl-lib $HOME -pe grab_test
19		19
20	=head1 DESCRIPTION	20	=head1 DESCRIPTION
21		21
22	Everytime a terminal object gets created, extension scripts specified via	22	Every time a terminal object gets created, extension scripts specified via
23	the C<perl> resource are loaded and associated with it.	23	the C<perl> resource are loaded and associated with it.
24		24
25	Scripts are compiled in a 'use strict' and 'use utf8' environment, and	25	Scripts are compiled in a 'use strict "vars"' and 'use utf8' environment, and
26	thus must be encoded as UTF-8.	26	thus must be encoded as UTF-8.
27		27
28	Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where	28	Each script will only ever be loaded once, even in urxvtd, where
29	scripts will be shared (but not enabled) for all terminals.	29	scripts will be shared (but not enabled) for all terminals.
30		30
		31	You can disable the embedded perl interpreter by setting both "perl-ext"
		32	and "perl-ext-common" resources to the empty string.
		33
31	=head1 PREPACKAGED EXTENSIONS	34	=head1 PREPACKAGED EXTENSIONS
32		35
33	This section describes the extensions delivered with this release. You can	36	A number of extensions are delivered with this release. You can find them
34	find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>.	37	in F<< <libdir>/urxvt/perl/ >>, and the documentation can be viewed using
		38	F<< man urxvt-<EXTENSIONNAME> >>.
35		39
36	You can activate them like this:	40	You can activate them like this:
37		41
38	@@RXVT_NAME@@ -pe <extensionname>	42	urxvt -pe <extensionname>
39		43
40	=over 4	44	Or by adding them to the resource for extensions loaded by default:
41		45
42	=item selection (enabled by default)	46	URxvt.perl-ext-common: default,selection-autotransform
43		47
44	(More) intelligent selection. This extension tries to be more intelligent	48	Extensions may add resources on their own. Similarly to builtin
45	when the user extends selections (double-click and further clicks). Right	49	resources, these resources can also be specified on the command line
46	now, it tries to select words, urls and complete shell-quoted	50	as long options (with '.' replaced by '-'), in which case the
47	arguments, which is very convenient, too, if your F<ls> supports	51	corresponding extension is loaded automatically.
48	C<--quoting-style=shell>.
49
50	A double-click usually selects the word under the cursor, further clicks
51	will enlarge the selection.
52
53	The selection works by trying to match a number of regexes and displaying
54	them in increasing order of length. You can add your own regexes by
55	specifying resources of the form:
56
57	URxvt.selection.pattern-0: perl-regex
58	URxvt.selection.pattern-1: perl-regex
59	...
60
61	The index number (0, 1...) must not have any holes, and each regex must
62	contain at least one pair of capturing parentheses, which will be used for
63	the match. For example, the followign adds a regex that matches everything
64	between two vertical bars:
65
66	URxvt.selection.pattern-0: \\|([^|]+)\\|
67
68	You can look at the source of the selection extension to see more
69	interesting uses, such as parsing a line from beginning to end.
70
71	This extension also offers the following bindable keyboard command:
72
73	=over 4
74
75	=item rot13
76
77	Rot-13 the selection when activated. Used via keyboard trigger:
78
79	URxvt.keysym.C-M-r: perl:selection:rot13
80
81	=back
82
83	=item option-popup (enabled by default)
84
85	Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at
86	runtime.
87
88	=item selection-popup (enabled by default)
89
90	Binds a popup menu to Ctrl-Button3 that lets you convert the selection
91	text into various other formats/action (such as uri unescaping, perl
92	evalution, web-browser starting etc.), depending on content.
93
94	=item searchable-scrollback<hotkey> (enabled by default)
95
96	Adds regex search functionality to the scrollback buffer, triggered
97	by a hotkey (default: C<M-s>). While in search mode, normal terminal
98	input/output is suspended and a regex is displayed at the bottom of the
99	screen.
100
101	Inputting characters appends them to the regex and continues incremental
102	search. C<BackSpace> removes a character from the regex, C<Up> and C<Down>
103	search upwards/downwards in the scrollback buffer, C<End> jumps to the
104	bottom. C<Escape> leaves search mode and returns to the point where search
105	was started, while C<Enter> or C<Return> stay at the current position and
106	additionally stores the first match in the current line into the primary
107	selection.
108
109	=item selection-autotransform
110
111	This selection allows you to do automatic transforms on a selection
112	whenever a selection is made.
113
114	It works by specifying perl snippets (most useful is a single C<s///>
115	operator) that modify C<$_> as resources:
116
117	URxvt.selection-autotransform.0: transform
118	URxvt.selection-autotransform.1: transform
119	...
120
121	For example, the following will transform selections of the form
122	C<word:number> into C<vi +$number $word>:
123
124	URxvt.selection-autotransform.0: s/^(S+):(d+):?$/vi +$2 $1\\x0d/
125
126	And this example matches the same,but replaces it with vi-commands you can
127	paste directory into your (vi :) editor:
128
129	URxvt.selection-autotransform.0: s/^(S+):(d+):?$/\\x1b:e $1\\x0d:$2\\x0d/
130
131	=item mark-urls
132
133	Uses per-line display filtering (C<on_line_update>) to underline urls and
134	make them clickable. When middle-clicked, the program specified in the
135	resource C<urlLauncher> (default C<x-www-browser>) will be started with
136	the URL as first argument.
137
138	=item block-graphics-to-ascii
139
140	A not very useful example of filtering all text output to the terminal,
141	by replacing all line-drawing characters (U+2500 .. U+259F) by a
142	similar-looking ascii character.
143
144	=item digital-clock
145
146	Displays a digital clock using the built-in overlay.
147
148	=item example-refresh-hooks
149
150	Displays a very simple digital clock in the upper right corner of the
151	window. Illustrates overwriting the refresh callbacks to create your own
152	overlays or changes.
153
154	=back
155		52
156	=head1 API DOCUMENTATION	53	=head1 API DOCUMENTATION
157		54
158	=head2 General API Considerations	55	=head2 General API Considerations
159		56
…		…
173		70
174	=over 4	71	=over 4
175		72
176	=item $text	73	=item $text
177		74
178	Rxvt-unicodes special way of encoding text, where one "unicode" character	75	Rxvt-unicode's special way of encoding text, where one "unicode" character
179	always represents one screen cell. See L<ROW_t> for a discussion of this format.	76	always represents one screen cell. See L<ROW_t> for a discussion of this format.
180		77
181	=item $string	78	=item $string
182		79
183	A perl text string, with an emphasis on I<text>. It can store all unicode	80	A perl text string, with an emphasis on I<text>. It can store all unicode
…		…
187	=item $octets	84	=item $octets
188		85
189	Either binary data or - more common - a text string encoded in a	86	Either binary data or - more common - a text string encoded in a
190	locale-specific way.	87	locale-specific way.
191		88
		89	=item $keysym
		90
		91	an integer that is a valid X11 keysym code. You can convert a string
		92	into a keysym and viceversa by using C<XStringToKeysym> and
		93	C<XKeysymToString>.
		94
192	=back	95	=back
193		96
194	=head2 Extension Objects	97	=head2 Extension Objects
195		98
196	Very perl extension is a perl class. A separate perl object is created	99	Every perl extension is a perl class. A separate perl object is created
197	for each terminal and each extension and passed as the first parameter to	100	for each terminal, and each terminal has its own set of extension objects,
198	hooks. So extensions can use their C<$self> object without having to think	101	which are passed as the first parameter to hooks. So extensions can use
199	about other extensions, with the exception of methods and members that	102	their C<$self> object without having to think about clashes with other
		103	extensions or other terminals, with the exception of methods and members
200	begin with an underscore character C<_>: these are reserved for internal	104	that begin with an underscore character C<_>: these are reserved for
201	use.	105	internal use.
202		106
203	Although it isn't a C<urxvt::term> object, you can call all methods of the	107	Although it isn't a C<urxvt::term> object, you can call all methods of the
204	C<urxvt::term> class on this object.	108	C<urxvt::term> class on this object.
205		109
206	It has the following methods and data members:	110	Additional methods only supported for extension objects are described in
207		111	the C<urxvt::extension> section below.
208	=over 4
209
210	=item $urxvt_term = $self->{term}
211
212	Returns the C<urxvt::term> object associated with this instance of the
213	extension. This member I<must not> be changed in any way.
214
215	=item $self->enable ($hook_name => $cb, [$hook_name => $cb..])
216
217	Dynamically enable the given hooks (named without the C<on_> prefix) for
218	this extension, replacing any previous hook. This is useful when you want
219	to overwrite time-critical hooks only temporarily.
220
221	=item $self->disable ($hook_name[, $hook_name..])
222
223	Dynamically disable the given hooks.
224
225	=back
226		112
227	=head2 Hooks	113	=head2 Hooks
228		114
229	The following subroutines can be declared in extension files, and will be	115	The following subroutines can be declared in extension files, and will be
230	called whenever the relevant event happens.	116	called whenever the relevant event happens.
231		117
232	The first argument passed to them is an extension oject as described in	118	The first argument passed to them is an extension object as described in
233	the in the C<Extension Objects> section.	119	the in the C<Extension Objects> section.
234		120
235	B<All> of these hooks must return a boolean value. If it is true, then the	121	B<All> of these hooks must return a boolean value. If any of the called
236	event counts as being I<consumed>, and the invocation of other hooks is	122	hooks returns true, then the event counts as being I<consumed>, and the
237	skipped, and the relevant action might not be carried out by the C++ code.	123	relevant action might not be carried out by the C++ code.
238		124
239	I<< When in doubt, return a false value (preferably C<()>). >>	125	I<< When in doubt, return a false value (preferably C<()>). >>
240		126
241	=over 4	127	=over 4
242		128
243	=item on_init $term	129	=item on_init $term
244		130
245	Called after a new terminal object has been initialized, but before	131	Called after a new terminal object has been initialized, but before
246	windows are created or the command gets run. Most methods are unsafe to	132	windows are created or the command gets run. Most methods are unsafe to
247	call or deliver senseless data, as terminal size and other characteristics	133	call or deliver senseless data, as terminal size and other characteristics
248	have not yet been determined. You can safely query and change resources,	134	have not yet been determined. You can safely query and change resources
249	though.	135	and options, though. For many purposes the C<on_start> hook is a better
		136	place.
		137
		138	=item on_start $term
		139
		140	Called at the very end of initialisation of a new terminal, just before
		141	trying to map (display) the toplevel and returning to the main loop.
		142
		143	=item on_destroy $term
		144
		145	Called whenever something tries to destroy terminal, when the terminal is
		146	still fully functional (not for long, though).
250		147
251	=item on_reset $term	148	=item on_reset $term
252		149
253	Called after the screen is "reset" for any reason, such as resizing or	150	Called after the screen is "reset" for any reason, such as resizing or
254	control sequences. Here is where you can react on changes to size-related	151	control sequences. Here is where you can react on changes to size-related
255	variables.	152	variables.
256		153
257	=item on_start $term	154	=item on_child_start $term, $pid
258		155
259	Called at the very end of initialisation of a new terminal, just before	156	Called just after the child process has been C<fork>ed.
260	returning to the mainloop.	157
		158	=item on_child_exit $term, $status
		159
		160	Called just after the child process has exited. C<$status> is the status
		161	from C<waitpid>.
261		162
262	=item on_sel_make $term, $eventtime	163	=item on_sel_make $term, $eventtime
263		164
264	Called whenever a selection has been made by the user, but before the	165	Called whenever a selection has been made by the user, but before the
265	selection text is copied, so changes to the beginning, end or type of the	166	selection text is copied, so changes to the beginning, end or type of the
…		…
272		173
273	Called whenever a selection has been copied, but before the selection is	174	Called whenever a selection has been copied, but before the selection is
274	requested from the server. The selection text can be queried and changed	175	requested from the server. The selection text can be queried and changed
275	by calling C<< $term->selection >>.	176	by calling C<< $term->selection >>.
276		177
277	Returning a true value aborts selection grabbing. It will still be hilighted.	178	Returning a true value aborts selection grabbing. It will still be highlighted.
278		179
279	=item on_sel_extend $term	180	=item on_sel_extend $term
280		181
281	Called whenever the user tries to extend the selection (e.g. with a double	182	Called whenever the user tries to extend the selection (e.g. with a double
282	click) and is either supposed to return false (normal operation), or	183	click) and is either supposed to return false (normal operation), or
283	should extend the selection itelf and return true to suppress the built-in	184	should extend the selection itself and return true to suppress the built-in
284	processing. This can happen multiple times, as long as the callback	185	processing. This can happen multiple times, as long as the callback
285	returns true, it will be called on every further click by the user and is	186	returns true, it will be called on every further click by the user and is
286	supposed to enlarge the selection more and more, if possible.	187	supposed to enlarge the selection more and more, if possible.
287		188
288	See the F<selection> example extension.	189	See the F<selection> example extension.
289		190
290	=item on_view_change $term, $offset	191	=item on_view_change $term, $offset
291		192
292	Called whenever the view offset changes, i..e the user or program	193	Called whenever the view offset changes, i.e. the user or program
293	scrolls. Offset C<0> means display the normal terminal, positive values	194	scrolls. Offset C<0> means display the normal terminal, positive values
294	show this many lines of scrollback.	195	show this many lines of scrollback.
295		196
296	=item on_scroll_back $term, $lines, $saved	197	=item on_scroll_back $term, $lines, $saved
297		198
…		…
301		202
302	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,	203	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,
303	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total	204	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total
304	number of lines that will be in the scrollback buffer.	205	number of lines that will be in the scrollback buffer.
305		206
306	=item on_osc_seq $term, $string	207	=item on_osc_seq $term, $op, $args, $resp
		208
		209	Called on every OSC sequence and can be used to suppress it or modify its
		210	behaviour. The default should be to return an empty list. A true value
		211	suppresses execution of the request completely. Make sure you don't get
		212	confused by recursive invocations when you output an OSC sequence within
		213	this callback.
		214
		215	C<on_osc_seq_perl> should be used for new behaviour.
		216
		217	=item on_osc_seq_perl $term, $args, $resp
307		218
308	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =	219	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
309	operating system command) is processed. Cursor position and other state	220	operating system command) is processed. Cursor position and other state
310	information is up-to-date when this happens. For interoperability, the	221	information is up-to-date when this happens. For interoperability, the
311	string should start with the extension name and a colon, to distinguish	222	string should start with the extension name (sans -osc) and a semicolon,
312	it from commands for other extensions, and this might be enforced in the	223	to distinguish it from commands for other extensions, and this might be
313	future.	224	enforced in the future.
		225
		226	For example, C<overlay-osc> uses this:
		227
		228	sub on_osc_seq_perl {
		229	my ($self, $osc, $resp) = @_;
		230
		231	return unless $osc =~ s/^overlay;//;
		232
		233	... process remaining $osc string
		234	}
314		235
315	Be careful not ever to trust (in a security sense) the data you receive,	236	Be careful not ever to trust (in a security sense) the data you receive,
316	as its source can not easily be controleld (e-mail content, messages from	237	as its source can not easily be controlled (e-mail content, messages from
317	other users on the same system etc.).	238	other users on the same system etc.).
		239
		240	For responses, C<$resp> contains the end-of-args separator used by the
		241	sender.
318		242
319	=item on_add_lines $term, $string	243	=item on_add_lines $term, $string
320		244
321	Called whenever text is about to be output, with the text as argument. You	245	Called whenever text is about to be output, with the text as argument. You
322	can filter/change and output the text yourself by returning a true value	246	can filter/change and output the text yourself by returning a true value
…		…
327	=item on_tt_write $term, $octets	251	=item on_tt_write $term, $octets
328		252
329	Called whenever some data is written to the tty/pty and can be used to	253	Called whenever some data is written to the tty/pty and can be used to
330	suppress or filter tty input.	254	suppress or filter tty input.
331		255
		256	=item on_tt_paste $term, $octets
		257
		258	Called whenever text is about to be pasted, with the text as argument. You
		259	can filter/change and paste the text yourself by returning a true value
		260	and calling C<< $term->tt_paste >> yourself. C<$octets> is
		261	locale-encoded.
		262
332	=item on_line_update $term, $row	263	=item on_line_update $term, $row
333		264
334	Called whenever a line was updated or changed. Can be used to filter	265	Called whenever a line was updated or changed. Can be used to filter
335	screen output (e.g. underline urls or other useless stuff). Only lines	266	screen output (e.g. underline urls or other useless stuff). Only lines
336	that are being shown will be filtered, and, due to performance reasons,	267	that are being shown will be filtered, and, due to performance reasons,
…		…
343	later with the already-modified line (e.g. if unrelated parts change), so	274	later with the already-modified line (e.g. if unrelated parts change), so
344	you cannot just toggle rendition bits, but only set them.	275	you cannot just toggle rendition bits, but only set them.
345		276
346	=item on_refresh_begin $term	277	=item on_refresh_begin $term
347		278
348	Called just before the screen gets redrawn. Can be used for overlay	279	Called just before the screen gets redrawn. Can be used for overlay or
349	or similar effects by modify terminal contents in refresh_begin, and	280	similar effects by modifying the terminal contents in refresh_begin, and
350	restoring them in refresh_end. The built-in overlay and selection display	281	restoring them in refresh_end. The built-in overlay and selection display
351	code is run after this hook, and takes precedence.	282	code is run after this hook, and takes precedence.
352		283
353	=item on_refresh_end $term	284	=item on_refresh_end $term
354		285
355	Called just after the screen gets redrawn. See C<on_refresh_begin>.	286	Called just after the screen gets redrawn. See C<on_refresh_begin>.
356		287
357	=item on_keyboard_command $term, $string	288	=item on_user_command $term, $string *DEPRECATED*
358		289
359	Called whenever the user presses a key combination that has a	290	Called whenever a user-configured event is being activated (e.g. via
360	C<perl:string> action bound to it (see description of the B<keysym>	291	a C<perl:string> action bound to a key, see description of the B<keysym>
361	resource in the @@RXVT_NAME@@(1) manpage).	292	resource in the urxvt(1) manpage).
		293
		294	The event is simply the action string. This interface is going away in
		295	preference to the C<on_action> hook.
		296
		297	=item on_resize_all_windows $term, $new_width, $new_height
		298
		299	Called just after the new window size has been calculated, but before
		300	windows are actually being resized or hints are being set. If this hook
		301	returns a true value, setting of the window hints is being skipped.
		302
		303	=item on_x_event $term, $event
		304
		305	Called on every X event received on the vt window (and possibly other
		306	windows). Should only be used as a last resort. Most event structure
		307	members are not passed.
		308
		309	=item on_root_event $term, $event
		310
		311	Like C<on_x_event>, but is called for events on the root window.
362		312
363	=item on_focus_in $term	313	=item on_focus_in $term
364		314
365	Called whenever the window gets the keyboard focus, before rxvt-unicode	315	Called whenever the window gets the keyboard focus, before rxvt-unicode
366	does focus in processing.	316	does focus in processing.
367		317
368	=item on_focus_out $term	318	=item on_focus_out $term
369		319
370	Called wheneever the window loses keyboard focus, before rxvt-unicode does	320	Called whenever the window loses keyboard focus, before rxvt-unicode does
371	focus out processing.	321	focus out processing.
372		322
		323	=item on_configure_notify $term, $event
		324
		325	=item on_property_notify $term, $event
		326
373	=item on_key_press $term, $event, $keysym, $octets	327	=item on_key_press $term, $event, $keysym, $octets
374		328
375	=item on_key_release $term, $event, $keysym	329	=item on_key_release $term, $event, $keysym
376		330
377	=item on_button_press $term, $event	331	=item on_button_press $term, $event
…		…
382		336
383	=item on_map_notify $term, $event	337	=item on_map_notify $term, $event
384		338
385	=item on_unmap_notify $term, $event	339	=item on_unmap_notify $term, $event
386		340
387	Called whenever the corresponding X event is received for the terminal If	341	Called whenever the corresponding X event is received for the terminal. If
388	the hook returns true, then the even will be ignored by rxvt-unicode.	342	the hook returns true, then the event will be ignored by rxvt-unicode.
389		343
390	The event is a hash with most values as named by Xlib (see the XEvent	344	The event is a hash with most values as named by Xlib (see the XEvent
391	manpage), with the additional members C<row> and C<col>, which are the row	345	manpage), with the additional members C<row> and C<col>, which are the
392	and column under the mouse cursor.	346	(real, not screen-based) row and column under the mouse cursor.
393		347
394	C<on_key_press> additionally receives the string rxvt-unicode would	348	C<on_key_press> additionally receives the string rxvt-unicode would
395	output, if any, in locale-specific encoding.	349	output, if any, in locale-specific encoding.
396		350
397	subwindow.	351	=item on_client_message $term, $event
		352
		353	=item on_wm_protocols $term, $event
		354
		355	=item on_wm_delete_window $term, $event
		356
		357	Called when various types of ClientMessage events are received (all with
		358	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
		359
		360	=item on_bell $term
		361
		362	Called on receipt of a bell character.
398		363
399	=back	364	=back
400		365
401	=cut	366	=cut
402		367
403	package urxvt;	368	package urxvt;
404		369
405	use utf8;	370	use utf8;
406	use strict;	371	use strict 'vars';
407	use Carp ();	372	use Carp ();
408	use Scalar::Util ();	373	use Scalar::Util ();
409	use List::Util ();	374	use List::Util ();
410		375
411	our $VERSION = 1;	376	our $VERSION = 1;
412	our $TERM;	377	our $TERM;
		378	our @TERM_INIT; # should go, prevents async I/O etc.
		379	our @TERM_EXT; # should go, prevents async I/O etc.
413	our @HOOKNAME;	380	our @HOOKNAME;
414	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;	381	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
415	our %OPTION;	382	our %OPTION;
416		383
417	our $LIBDIR;	384	our $LIBDIR;
418	our $RESNAME;	385	our $RESNAME;
419	our $RESCLASS;	386	our $RESCLASS;
420	our $RXVTNAME;	387	our $RXVTNAME;
421		388
		389	our $NOCHAR = chr 0xffff;
		390
422	=head2 Variables in the C<urxvt> Package	391	=head2 Variables in the C<urxvt> Package
423		392
424	=over 4	393	=over 4
425		394
426	=item $urxvt::LIBDIR	395	=item $urxvt::LIBDIR
…		…
439	=item $urxvt::TERM	408	=item $urxvt::TERM
440		409
441	The current terminal. This variable stores the current C<urxvt::term>	410	The current terminal. This variable stores the current C<urxvt::term>
442	object, whenever a callback/hook is executing.	411	object, whenever a callback/hook is executing.
443		412
		413	=item @urxvt::TERM_INIT
		414
		415	All code references in this array will be called as methods of the next newly
		416	created C<urxvt::term> object (during the C<on_init> phase). The array
		417	gets cleared before the code references that were in it are being executed,
		418	so references can push themselves onto it again if they so desire.
		419
		420	This complements to the perl-eval command line option, but gets executed
		421	first.
		422
		423	=item @urxvt::TERM_EXT
		424
		425	Works similar to C<@TERM_INIT>, but contains perl package/class names, which
		426	get registered as normal extensions after calling the hooks in C<@TERM_INIT>
		427	but before other extensions. Gets cleared just like C<@TERM_INIT>.
		428
444	=back	429	=back
445		430
446	=head2 Functions in the C<urxvt> Package	431	=head2 Functions in the C<urxvt> Package
447		432
448	=over 4	433	=over 4
449		434
450	=item urxvt::fatal $errormessage	435	=item urxvt::fatal $errormessage
451		436
452	Fatally aborts execution with the given error message. Avoid at all	437	Fatally aborts execution with the given error message (which should
453	costs! The only time this is acceptable is when the terminal process	438	include a trailing newline). Avoid at all costs! The only time this
454	starts up.	439	is acceptable (and useful) is in the init hook, where it prevents the
		440	terminal from starting up.
455		441
456	=item urxvt::warn $string	442	=item urxvt::warn $string
457		443
458	Calls C<rxvt_warn> with the given string which should not include a	444	Calls C<rxvt_warn> with the given string which should include a trailing
459	newline. The module also overwrites the C<warn> builtin with a function	445	newline. The module also overwrites the C<warn> builtin with a function
460	that calls this function.	446	that calls this function.
461		447
462	Using this function has the advantage that its output ends up in the	448	Using this function has the advantage that its output ends up in the
463	correct place, e.g. on stderr of the connecting urxvtc client.	449	correct place, e.g. on stderr of the connecting urxvtc client.
464		450
465	Messages have a size limit of 1023 bytes currently.	451	Messages have a size limit of 1023 bytes currently.
466		452
467	=item $is_safe = urxvt::safe	453	=item @terms = urxvt::termlist
468		454
469	Returns true when it is safe to do potentially unsafe things, such as	455	Returns all urxvt::term objects that exist in this process, regardless of
470	evaluating perl code specified by the user. This is true when urxvt was	456	whether they are started, being destroyed etc., so be careful. Only term
471	started setuid or setgid.	457	objects that have perl extensions attached will be returned (because there
		458	is no urxvt::term object associated with others).
472		459
473	=item $time = urxvt::NOW	460	=item $time = urxvt::NOW
474		461
475	Returns the "current time" (as per the event loop).	462	Returns the "current time" (as per the event loop).
476		463
477	=item urxvt::CurrentTime	464	=item urxvt::CurrentTime
478		465
479	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,	466	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
480	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,	467	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
481	Button4Mask, Button5Mask, AnyModifier	468	Button4Mask, Button5Mask, AnyModifier
		469
		470	=item urxvt::NoEventMask, KeyPressMask, KeyReleaseMask,
		471	ButtonPressMask, ButtonReleaseMask, EnterWindowMask, LeaveWindowMask,
		472	PointerMotionMask, PointerMotionHintMask, Button1MotionMask, Button2MotionMask,
		473	Button3MotionMask, Button4MotionMask, Button5MotionMask, ButtonMotionMask,
		474	KeymapStateMask, ExposureMask, VisibilityChangeMask, StructureNotifyMask,
		475	ResizeRedirectMask, SubstructureNotifyMask, SubstructureRedirectMask,
		476	FocusChangeMask, PropertyChangeMask, ColormapChangeMask, OwnerGrabButtonMask
		477
		478	=item urxvt::KeyPress, KeyRelease, ButtonPress, ButtonRelease, MotionNotify,
		479	EnterNotify, LeaveNotify, FocusIn, FocusOut, KeymapNotify, Expose,
		480	GraphicsExpose, NoExpose, VisibilityNotify, CreateNotify, DestroyNotify,
		481	UnmapNotify, MapNotify, MapRequest, ReparentNotify, ConfigureNotify,
		482	ConfigureRequest, GravityNotify, ResizeRequest, CirculateNotify,
		483	CirculateRequest, PropertyNotify, SelectionClear, SelectionRequest,
		484	SelectionNotify, ColormapNotify, ClientMessage, MappingNotify
482		485
483	Various constants for use in X calls and event processing.	486	Various constants for use in X calls and event processing.
484		487
485	=back	488	=back
486		489
…		…
503		506
504	=item $rend = urxvt::OVERLAY_RSTYLE	507	=item $rend = urxvt::OVERLAY_RSTYLE
505		508
506	Return the rendition mask used for overlays by default.	509	Return the rendition mask used for overlays by default.
507		510
508	=item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline	511	=item $rendbit = urxvt::RS_Bold, urxvt::RS_Italic, urxvt::RS_Blink,
		512	urxvt::RS_RVid, urxvt::RS_Uline
509		513
510	Return the bit that enabled bold, italic, blink, reverse-video and	514	Return the bit that enabled bold, italic, blink, reverse-video and
511	underline, respectively. To enable such a style, just logically OR it into	515	underline, respectively. To enable such a style, just logically OR it into
512	the bitset.	516	the bitset.
513		517
…		…
519		523
520	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour	524	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour
521		525
522	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour	526	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour
523		527
		528	=item $rend = urxvt::SET_COLOR $rend, $new_fg, $new_bg
		529
524	Replace the foreground/background colour in the rendition mask with the	530	Replace the foreground/background colour in the rendition mask with the
525	specified one.	531	specified one.
526		532
527	=item $value = urxvt::GET_CUSTOM $rend	533	=item $value = urxvt::GET_CUSTOM $rend
528		534
…		…
537	=back	543	=back
538		544
539	=cut	545	=cut
540		546
541	BEGIN {	547	BEGIN {
542	urxvt->bootstrap;
543
544	# overwrite perl's warn	548	# overwrite perl's warn
545	*CORE::GLOBAL::warn = sub {	549	*CORE::GLOBAL::warn = sub {
546	my $msg = join "", @_;	550	my $msg = join "", @_;
547	$msg .= "\n"	551	$msg .= "\n"
548	unless $msg =~ /\n$/;	552	unless $msg =~ /\n$/;
549	urxvt::warn ($msg);	553	urxvt::warn ($msg);
550	};	554	};
551
552	# %ENV is the original startup environment
553	delete $ENV{IFS};
554	delete $ENV{CDPATH};
555	delete $ENV{BASH_ENV};
556	$ENV{PATH} = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin:/opt/sbin";
557	}	555	}
558		556
559	my @hook_count;	557	no warnings 'utf8';
		558
		559	sub parse_resource {
		560	my ($term, $name, $isarg, $longopt, $flag, $value) = @_;
		561
		562	$term->scan_extensions;
		563
		564	my $r = $term->{meta}{resource};
		565	keys %$r; # reset iterator
		566	while (my ($k, $v) = each %$r) {
		567	my $pattern = $k;
		568	$pattern =~ y/./-/ if $isarg;
		569	my $prefix = $name;
		570	my $suffix;
		571	if ($pattern =~ /\-$/) {
		572	$prefix = substr $name, 0, length $pattern;
		573	$suffix = substr $name, length $pattern;
		574	}
		575	if ($pattern eq $prefix) {
		576	$name = "$urxvt::RESCLASS.$k$suffix";
		577
		578	push @{ $term->{perl_ext_3} }, $v->[0];
		579
		580	if ($v->[1] eq "boolean") {
		581	$term->put_option_db ($name, $flag ? "true" : "false");
		582	return 1;
		583	} else {
		584	$term->put_option_db ($name, $value);
		585	return 1 + 2;
		586	}
		587	}
		588	}
		589
		590	0
		591	}
		592
		593	sub usage {
		594	my ($term, $usage_type) = @_;
		595
		596	$term->scan_extensions;
		597
		598	my $r = $term->{meta}{resource};
		599
		600	for my $pattern (sort keys %$r) {
		601	my ($ext, $type, $desc) = @{ $r->{$pattern} };
		602
		603	$desc .= " (-pe $ext)";
		604
		605	if ($usage_type == 1) {
		606	$pattern =~ y/./-/;
		607	$pattern =~ s/-$/-.../g;
		608
		609	if ($type eq "boolean") {
		610	urxvt::log sprintf " -%-30s %s\n", "/+$pattern", $desc;
		611	} else {
		612	urxvt::log sprintf " -%-30s %s\n", "$pattern $type", $desc;
		613	}
		614	} else {
		615	$pattern =~ s/\.$/.*/g;
		616	urxvt::log sprintf " %-31s %s\n", "$pattern:", $type;
		617	}
		618	}
		619	}
		620
560	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};	621	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
561		622
562	sub verbose {	623	sub verbose {
563	my ($level, $msg) = @_;	624	my ($level, $msg) = @_;
564	warn "$msg\n" if $level <= $verbosity;	625	warn "$msg\n" if $level <= $verbosity;
565	}	626	}
566		627
567	my $extension_pkg = "extension0000";
568	my %extension_pkg;	628	my %extension_pkg;
569		629
570	# load a single script into its own package, once only	630	# load a single script into its own package, once only
571	sub extension_package($) {	631	sub extension_package($) {
572	my ($path) = @_;	632	my ($path) = @_;
573		633
574	$extension_pkg{$path} ||= do {	634	$extension_pkg{$path} ||= do {
575	my $pkg = "urxvt::" . ($extension_pkg++);	635	$path =~ /([^\/\\]+)$/;
		636	my $pkg = $1;
		637	$pkg =~ s/[^[:word:]]/_/g;
		638	$pkg = "urxvt::ext::$pkg";
576		639
577	verbose 3, "loading extension '$path' into package '$pkg'";	640	verbose 3, "loading extension '$path' into package '$pkg'";
		641
		642	(${"$pkg\::_NAME"} = $path) =~ s/^.*[\\\/]//; # hackish
578		643
579	open my $fh, "<:raw", $path	644	open my $fh, "<:raw", $path
580	or die "$path: $!";	645	or die "$path: $!";
581		646
582	my $source = untaint	647	my $source =
583	"package $pkg; use strict; use utf8;\n"	648	"package $pkg; use strict 'vars'; use utf8; no warnings 'utf8';\n"
584	. "use base urxvt::term::extension::;\n"
585	. "#line 1 \"$path\"\n{\n"	649	. "#line 1 \"$path\"\n{\n"
586	. (do { local $/; <$fh> })	650	. (do { local $/; <$fh> })
587	. "\n};\n1";	651	. "\n};\n1";
588		652
589	eval $source	653	eval $source
…		…
598	# called by the rxvt core	662	# called by the rxvt core
599	sub invoke {	663	sub invoke {
600	local $TERM = shift;	664	local $TERM = shift;
601	my $htype = shift;	665	my $htype = shift;
602		666
603	if ($htype == 0) { # INIT	667	if ($htype == HOOK_INIT) {
604	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");	668	my @dirs = $TERM->perl_libdirs;
605		669
		670	$TERM->scan_extensions;
		671
606	my %ext_arg;	672	my %ext_arg;
607		673
		674	{
		675	my @init = @TERM_INIT;
		676	@TERM_INIT = ();
		677	$_->($TERM) for @init;
		678	my @pkg = @TERM_EXT;
		679	@TERM_EXT = ();
		680	$TERM->register_package ($_) for @pkg;
		681	}
		682
		683	for (
608	for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {	684	(grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2),
		685	@{ delete $TERM->{perl_ext_3} }
		686	) {
609	if ($_ eq "default") {	687	if ($_ eq "default") {
610	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback);	688
		689	$ext_arg{$_} = []
		690	for
		691	qw(selection option-popup selection-popup readline),
		692	map $_->[0], values %{ $TERM->{meta}{binding} };
		693
		694	for ($TERM->_keysym_resources) {
		695	next if /^(?:string|command|builtin|builtin-string|perl)/;
		696	next unless /^([A-Za-z0-9_\-]+):/;
		697
		698	my $ext = $1;
		699
		700	$ext_arg{$ext} = [];
		701	}
		702
611	} elsif (/^-(.*)$/) {	703	} elsif (/^-(.*)$/) {
612	delete $ext_arg{$1};	704	delete $ext_arg{$1};
		705
613	} elsif (/^([^<]+)<(.*)>$/) {	706	} elsif (/^([^<]+)<(.*)>$/) {
614	push @{ $ext_arg{$1} }, $2;	707	push @{ $ext_arg{$1} }, $2;
		708
615	} else {	709	} else {
616	$ext_arg{$_} ||= [];	710	$ext_arg{$_} ||= [];
617	}	711	}
618	}	712	}
619		713
620	while (my ($ext, $argv) = each %ext_arg) {	714	# now register default key bindings
		715	for my $ext (sort keys %ext_arg) {
		716	while (my ($k, $v) = each %{ $TERM->{meta}{ext}{$ext}{binding} }) {
		717	$TERM->bind_action ($k, "$v->[0]:$v->[1]");
		718	}
		719	}
		720
		721	for my $ext (sort keys %ext_arg) {
621	my @files = grep -f $_, map "$_/$ext", @dirs;	722	my @files = grep -f $_, map "$_/$ext", @dirs;
622		723
623	if (@files) {	724	if (@files) {
624	$TERM->register_package (extension_package $files[0], $argv);	725	$TERM->register_package (extension_package $files[0], $ext_arg{$ext});
625	} else {	726	} else {
626	warn "perl extension '$ext' not found in perl library search path\n";	727	warn "perl extension '$ext' not found in perl library search path\n";
627	}	728	}
628	}	729	}
629		730
…		…
635		736
636	if (my $cb = $TERM->{_hook}[$htype]) {	737	if (my $cb = $TERM->{_hook}[$htype]) {
637	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"	738	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
638	if $verbosity >= 10;	739	if $verbosity >= 10;
639		740
640	keys %$cb;	741	if ($htype == HOOK_ACTION) {
		742	# this hook is only sent to the extension with the name
		743	# matching the first arg
		744	my $pkg = shift;
		745	$pkg =~ y/-/_/;
		746	$pkg = "urxvt::ext::$pkg";
641		747
642	while (my ($pkg, $cb) = each %$cb) {	748	$cb = $cb->{$pkg}
		749	or return undef; #TODO: maybe warn user?
		750
		751	$cb = { $pkg => $cb };
		752	}
		753
		754	for my $pkg (keys %$cb) {
643	$retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) }	755	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg} || $TERM, @_) };
644	and last;	756	$retval ||= $retval_;
645		757
646	if ($@) {	758	if ($@) {
647	$TERM->ungrab; # better to lose the grab than the session	759	$TERM->ungrab; # better to lose the grab than the session
648	warn $@;	760	warn $@;
649	}	761	}
…		…
651		763
652	verbose 11, "$HOOKNAME[$htype] returning <$retval>"	764	verbose 11, "$HOOKNAME[$htype] returning <$retval>"
653	if $verbosity >= 11;	765	if $verbosity >= 11;
654	}	766	}
655		767
656	if ($htype == 1) { # DESTROY	768	if ($htype == HOOK_DESTROY) {
657	if (my $hook = delete $TERM->{_hook}) {
658	for my $htype (0..$#$hook) {
659	$hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
660	or set_should_invoke $htype, 0;
661	}
662	}
663
664	# clear package objects	769	# clear package objects
665	%$_ = () for values %{ $TERM->{_pkg} };	770	%$_ = () for values %{ $TERM->{_pkg} };
666		771
667	# clear package	772	# clear package
668	%$TERM = ();	773	%$TERM = ();
669	}	774	}
670		775
671	$retval	776	$retval
672	}	777	}
673		778
674	sub exec_async(@) {	779	sub SET_COLOR($$$) {
675	my $pid = fork;	780	SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
676
677	return
678	if !defined $pid or $pid;
679
680	%ENV = %{ $TERM->env };
681
682	exec @_;
683	_exit 255;
684	}	781	}
685		782
686	# urxvt::term::extension	783	sub rend2mask {
687		784	no strict 'refs';
688	package urxvt::term::extension;	785	my ($str, $mask) = (@_, 0);
689		786	my %color = ( fg => undef, bg => undef );
690	sub enable {	787	my @failed;
691	my ($self, %hook) = @_;	788	for my $spec ( split /\s+/, $str ) {
692	my $pkg = $self->{_pkg};	789	if ( $spec =~ /^([fb]g)[_:-]?(\d+)/i ) {
693		790	$color{lc($1)} = $2;
694	while (my ($name, $cb) = each %hook) {	791	} else {
695	my $htype = $HOOKTYPE{uc $name};	792	my $neg = $spec =~ s/^[-^]//;
696	defined $htype	793	unless ( exists &{"RS_$spec"} ) {
697	or Carp::croak "unsupported hook type '$name'";	794	push @failed, $spec;
698		795	next;
699	unless (exists $self->{term}{_hook}[$htype]{$pkg}) {
700	$hook_count[$htype]++
701	or urxvt::set_should_invoke $htype, 1;
702	}	796	}
703		797	my $cur = &{"RS_$spec"};
704	$self->{term}{_hook}[$htype]{$pkg} = $cb;	798	if ( $neg ) {
705	}	799	$mask &= ~$cur;
706	}	800	} else {
707		801	$mask |= $cur;
708	sub disable {	802	}
709	my ($self, @hook) = @_;
710	my $pkg = $self->{_pkg};
711
712	for my $name (@hook) {
713	my $htype = $HOOKTYPE{uc $name};
714	defined $htype
715	or Carp::croak "unsupported hook type '$name'";
716
717	if (delete $self->{term}{_hook}[$htype]{$pkg}) {
718	--$hook_count[$htype]
719	or urxvt::set_should_invoke $htype, 0;
720	}	803	}
721	}	804	}
		805	($mask, @color{qw(fg bg)}, \@failed)
722	}	806	}
		807
		808	package urxvt::term::extension;
		809
		810	=head2 The C<urxvt::term::extension> class
		811
		812	Each extension attached to a terminal object is represented by
		813	a C<urxvt::term::extension> object.
		814
		815	You can use these objects, which are passed to all callbacks to store any
		816	state related to the terminal and extension instance.
		817
		818	The methods (And data members) documented below can be called on extension
		819	objects, in addition to call methods documented for the <urxvt::term>
		820	class.
		821
		822	=over 4
		823
		824	=item $urxvt_term = $self->{term}
		825
		826	Returns the C<urxvt::term> object associated with this instance of the
		827	extension. This member I<must not> be changed in any way.
		828
		829	=cut
723		830
724	our $AUTOLOAD;	831	our $AUTOLOAD;
725		832
726	sub AUTOLOAD {	833	sub AUTOLOAD {
727	$AUTOLOAD =~ /:([^:]+)$/	834	$AUTOLOAD =~ /:([^:]+)$/
…		…
740		847
741	sub DESTROY {	848	sub DESTROY {
742	# nop	849	# nop
743	}	850	}
744		851
745	# urxvt::destroy_hook	852	# urxvt::destroy_hook (basically a cheap Guard:: implementation)
746		853
747	sub urxvt::destroy_hook::DESTROY {	854	sub urxvt::destroy_hook::DESTROY {
748	${$_[0]}->();	855	${$_[0]}->();
749	}	856	}
750		857
751	sub urxvt::destroy_hook(&) {	858	sub urxvt::destroy_hook(&) {
752	bless \shift, urxvt::destroy_hook::	859	bless \shift, urxvt::destroy_hook::
753	}	860	}
		861
		862	=item $self->enable ($hook_name => $cb[, $hook_name => $cb..])
		863
		864	Dynamically enable the given hooks (named without the C<on_> prefix) for
		865	this extension, replacing any hook previously installed via C<enable> in
		866	this extension.
		867
		868	This is useful when you want to overwrite time-critical hooks only
		869	temporarily.
		870
		871	To install additional callbacks for the same hook, you can use the C<on>
		872	method of the C<urxvt::term> class.
		873
		874	=item $self->disable ($hook_name[, $hook_name..])
		875
		876	Dynamically disable the given hooks.
		877
		878	=cut
		879
		880	sub enable {
		881	my ($self, %hook) = @_;
		882	my $pkg = $self->{_pkg};
		883
		884	while (my ($name, $cb) = each %hook) {
		885	my $htype = $HOOKTYPE{uc $name};
		886	defined $htype
		887	or Carp::croak "unsupported hook type '$name'";
		888
		889	$self->set_should_invoke ($htype, +1)
		890	unless exists $self->{term}{_hook}[$htype]{$pkg};
		891
		892	$self->{term}{_hook}[$htype]{$pkg} = $cb;
		893	}
		894	}
		895
		896	sub disable {
		897	my ($self, @hook) = @_;
		898	my $pkg = $self->{_pkg};
		899
		900	for my $name (@hook) {
		901	my $htype = $HOOKTYPE{uc $name};
		902	defined $htype
		903	or Carp::croak "unsupported hook type '$name'";
		904
		905	$self->set_should_invoke ($htype, -1)
		906	if delete $self->{term}{_hook}[$htype]{$pkg};
		907	}
		908	}
		909
		910	=item $guard = $self->on ($hook_name => $cb[, $hook_name => $cb..])
		911
		912	Similar to the C<enable> enable, but installs additional callbacks for
		913	the given hook(s) (that is, it doesn't replace existing callbacks), and
		914	returns a guard object. When the guard object is destroyed the callbacks
		915	are disabled again.
		916
		917	=cut
		918
		919	sub urxvt::extension::on_disable::DESTROY {
		920	my $disable = shift;
		921
		922	my $term = delete $disable->{""};
		923
		924	while (my ($htype, $id) = each %$disable) {
		925	delete $term->{_hook}[$htype]{$id};
		926	$term->set_should_invoke ($htype, -1);
		927	}
		928	}
		929
		930	sub on {
		931	my ($self, %hook) = @_;
		932
		933	my $term = $self->{term};
		934
		935	my %disable = ( "" => $term );
		936
		937	while (my ($name, $cb) = each %hook) {
		938	my $htype = $HOOKTYPE{uc $name};
		939	defined $htype
		940	or Carp::croak "unsupported hook type '$name'";
		941
		942	$term->set_should_invoke ($htype, +1);
		943	$term->{_hook}[$htype]{ $disable{$htype} = $cb+0 }
		944	= sub { shift; $cb->($self, @_) }; # very ugly indeed
		945	}
		946
		947	bless \%disable, "urxvt::extension::on_disable"
		948	}
		949
		950	=item $self->x_resource ($pattern)
		951
		952	=item $self->x_resource_boolean ($pattern)
		953
		954	These methods support an additional C<%> prefix when called on an
		955	extension object - see the description of these methods in the
		956	C<urxvt::term> class for details.
		957
		958	=cut
		959
		960	sub x_resource {
		961	my ($self, $name) = @_;
		962	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		963	$self->{term}->x_resource ($name)
		964	}
		965
		966	sub x_resource_boolean {
		967	my ($self, $name) = @_;
		968	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		969	$self->{term}->x_resource_boolean ($name)
		970	}
		971
		972	=back
		973
		974	=cut
754		975
755	package urxvt::anyevent;	976	package urxvt::anyevent;
756		977
757	=head2 The C<urxvt::anyevent> Class	978	=head2 The C<urxvt::anyevent> Class
758		979
759	The sole purpose of this class is to deliver an interface to the	980	The sole purpose of this class is to deliver an interface to the
760	C<AnyEvent> module - any module using it will work inside urxvt without	981	C<AnyEvent> module - any module using it will work inside urxvt without
761	further programming. The only exception is that you cannot wait on	982	further programming. The only exception is that you cannot wait on
762	condition variables, but non-blocking condvar use is ok. What this means	983	condition variables, but non-blocking condvar use is ok.
763	is that you cannot use blocking APIs, but the non-blocking variant should
764	work.
765		984
766	=cut	985	In practical terms this means is that you cannot use blocking APIs, but
		986	the non-blocking variant should work.
767		987
		988	=cut
		989
768	our $VERSION = 1;	990	our $VERSION = '5.23';
769		991
770	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there	992	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
771	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];	993	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
772		994
773	sub timer {	995	sub timer {
…		…
775		997
776	my $cb = $arg{cb};	998	my $cb = $arg{cb};
777		999
778	urxvt::timer	1000	urxvt::timer
779	->new	1001	->new
780	->start (urxvt::NOW + $arg{after})	1002	->after ($arg{after}, $arg{interval})
781	->cb (sub {	1003	->cb ($arg{interval} ? $cb : sub {
782	$_[0]->stop; # need to cancel manually	1004	$_[0]->stop; # need to cancel manually
783	$cb->();	1005	$cb->();
784	})	1006	})
785	}	1007	}
786		1008
787	sub io {	1009	sub io {
788	my ($class, %arg) = @_;	1010	my ($class, %arg) = @_;
789		1011
790	my $cb = $arg{cb};	1012	my $cb = $arg{cb};
		1013	my $fd = fileno $arg{fh};
		1014	defined $fd or $fd = $arg{fh};
791		1015
792	bless [$arg{fh}, urxvt::iow	1016	bless [$arg{fh}, urxvt::iow
793	->new	1017	->new
794	->fd (fileno $arg{fh})	1018	->fd ($fd)
795	->events (($arg{poll} =~ /r/ ? 1 : 0)	1019	->events (($arg{poll} =~ /r/ ? 1 : 0)
796	| ($arg{poll} =~ /w/ ? 2 : 0))	1020	| ($arg{poll} =~ /w/ ? 2 : 0))
797	->start	1021	->start
798	->cb (sub {	1022	->cb ($cb)
799	$cb->(($_[1] & 1 ? 'r' : '')
800	. ($_[1] & 2 ? 'w' : ''));
801	})],
802	urxvt::anyevent::	1023	], urxvt::anyevent::
		1024	}
		1025
		1026	sub idle {
		1027	my ($class, %arg) = @_;
		1028
		1029	my $cb = $arg{cb};
		1030
		1031	urxvt::iw
		1032	->new
		1033	->start
		1034	->cb ($cb)
		1035	}
		1036
		1037	sub child {
		1038	my ($class, %arg) = @_;
		1039
		1040	my $cb = $arg{cb};
		1041
		1042	urxvt::pw
		1043	->new
		1044	->start ($arg{pid})
		1045	->cb (sub {
		1046	$_[0]->stop; # need to cancel manually
		1047	$cb->($_[0]->rpid, $_[0]->rstatus);
		1048	})
803	}	1049	}
804		1050
805	sub DESTROY {	1051	sub DESTROY {
806	$_[0][1]->stop;	1052	$_[0][1]->stop;
807	}	1053	}
808		1054
809	sub condvar {	1055	# only needed for AnyEvent < 6 compatibility
810	bless \my $flag, urxvt::anyevent::condvar::	1056	sub one_event {
811	}
812
813	sub urxvt::anyevent::condvar::broadcast {
814	${$_[0]}++;
815	}
816
817	sub urxvt::anyevent::condvar::wait {
818	unless (${$_[0]}) {
819	Carp::croak "AnyEvent->condvar blocking wait unsupported in urxvt, use a non-blocking API";	1057	Carp::croak "AnyEvent->one_event blocking wait unsupported in urxvt, use a non-blocking API";
820	}
821	}	1058	}
822		1059
823	package urxvt::term;	1060	package urxvt::term;
824		1061
825	=head2 The C<urxvt::term> Class	1062	=head2 The C<urxvt::term> Class
…		…
831	# find on_xxx subs in the package and register them	1068	# find on_xxx subs in the package and register them
832	# as hooks	1069	# as hooks
833	sub register_package {	1070	sub register_package {
834	my ($self, $pkg, $argv) = @_;	1071	my ($self, $pkg, $argv) = @_;
835		1072
		1073	no strict 'refs';
		1074
		1075	urxvt::verbose 6, "register package $pkg to $self";
		1076
		1077	@{"$pkg\::ISA"} = urxvt::term::extension::;
		1078
836	my $proxy = bless {	1079	my $proxy = bless {
837	_pkg => $pkg,	1080	_pkg => $pkg,
		1081	_name => ${"$pkg\::_NAME"}, # hackish
838	argv => $argv,	1082	argv => $argv,
839	}, $pkg;	1083	}, $pkg;
840	Scalar::Util::weaken ($proxy->{term} = $self);	1084	Scalar::Util::weaken ($proxy->{term} = $self);
841		1085
842	$self->{_pkg}{$pkg} = $proxy;	1086	$self->{_pkg}{$pkg} = $proxy;
843		1087
…		…
846	$proxy->enable ($name => $ref);	1090	$proxy->enable ($name => $ref);
847	}	1091	}
848	}	1092	}
849	}	1093	}
850		1094
		1095	sub perl_libdirs {
		1096	map { split /:/ }
		1097	$_[0]->resource ("perl_lib"),
		1098	$ENV{URXVT_PERL_LIB},
		1099	"$ENV{HOME}/.urxvt/ext",
		1100	"$LIBDIR/perl"
		1101	}
		1102
		1103	# scan for available extensions and collect their metadata
		1104	sub scan_extensions {
		1105	my ($self) = @_;
		1106
		1107	return if exists $self->{meta};
		1108
		1109	my @libdirs = perl_libdirs $self;
		1110
		1111	# return if $self->{meta_libdirs} eq join "\x00", @libdirs;#d#
		1112
		1113	# $self->{meta_libdirs} = join "\x00", @libdirs;#d#
		1114	$self->{meta} = \my %meta;
		1115
		1116	# first gather extensions
		1117	for my $dir (reverse @libdirs) {
		1118	opendir my $fh, $dir
		1119	or next;
		1120	for my $ext (readdir $fh) {
		1121	$ext !~ /^\./
		1122	and open my $fh, "<", "$dir/$ext"
		1123	or next;
		1124
		1125	my %ext = (dir => $dir);
		1126
		1127	while (<$fh>) {
		1128	if (/^#:META:(?:X_)?RESOURCE:(.*)/) {
		1129	my ($pattern, $type, $desc) = split /:/, $1;
		1130	$pattern =~ s/^%(\.|$)/$ext$1/g; # % in pattern == extension name
		1131	if ($pattern =~ /[^a-zA-Z0-9\-\.]/) {
		1132	warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n";
		1133	} else {
		1134	$ext{resource}{$pattern} = [$ext, $type, $desc];
		1135	}
		1136	} elsif (/^#:META:BINDING:(.*)/) {
		1137	my ($keysym, $action) = split /:/, $1;
		1138	$ext{binding}{$keysym} = [$ext, $action];
		1139	} elsif (/^\s*(?:#|$)/) {
		1140	# skip other comments and empty lines
		1141	} else {
		1142	last; # stop parsing on first non-empty non-comment line
		1143	}
		1144	}
		1145
		1146	$meta{ext}{$ext} = \%ext;
		1147	}
		1148	}
		1149
		1150	# and now merge resources and bindings
		1151	while (my ($k, $v) = each %{ $meta{ext} }) {
		1152	#TODO: should check for extensions overriding each other
		1153	%{ $meta{resource} } = (%{ $meta{resource} }, %{ $v->{resource} });
		1154	%{ $meta{binding} } = (%{ $meta{binding} }, %{ $v->{binding} });
		1155	}
		1156	}
		1157
851	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]	1158	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
852		1159
853	Creates a new terminal, very similar as if you had started it with system	1160	Creates a new terminal, very similar as if you had started it with system
854	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like	1161	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
855	hash which defines the environment of the new terminal.	1162	hash which defines the environment of the new terminal.
856		1163
857	Croaks (and probably outputs an error message) if the new instance	1164	Croaks (and probably outputs an error message) if the new instance
858	couldn't be created. Returns C<undef> if the new instance didn't	1165	couldn't be created. Returns C<undef> if the new instance didn't
859	initialise perl, and the terminal object otherwise. The C<init> and	1166	initialise perl, and the terminal object otherwise. The C<init> and
860	C<start> hooks will be called during this call.	1167	C<start> hooks will be called before this call returns, and are free to
		1168	refer to global data (which is race free).
861		1169
862	=cut	1170	=cut
863		1171
864	sub new {	1172	sub new {
865	my ($class, $env, @args) = @_;	1173	my ($class, $env, @args) = @_;
866		1174
		1175	$env or Carp::croak "environment hash missing in call to urxvt::term->new";
		1176	@args or Carp::croak "name argument missing in call to urxvt::term->new";
		1177
867	_new ([ map "$_=$env->{$_}", keys %$env ], @args);	1178	_new ([ map "$_=$env->{$_}", keys %$env ], \@args);
868	}	1179	}
869		1180
870	=item $term->destroy	1181	=item $term->destroy
871		1182
872	Destroy the terminal object (close the window, free resources	1183	Destroy the terminal object (close the window, free resources
873	etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event	1184	etc.). Please note that urxvt will not exit as long as any event
874	watchers (timers, io watchers) are still active.	1185	watchers (timers, io watchers) are still active.
		1186
		1187	=item $term->exec_async ($cmd[, @args])
		1188
		1189	Works like the combination of the C<fork>/C<exec> builtins, which executes
		1190	("starts") programs in the background. This function takes care of setting
		1191	the user environment before exec'ing the command (e.g. C<PATH>) and should
		1192	be preferred over explicit calls to C<exec> or C<system>.
		1193
		1194	Returns the pid of the subprocess or C<undef> on error.
		1195
		1196	=cut
		1197
		1198	sub exec_async {
		1199	my $self = shift;
		1200
		1201	my $pid = fork;
		1202
		1203	return $pid
		1204	if !defined $pid or $pid;
		1205
		1206	%ENV = %{ $self->env };
		1207
		1208	exec @_;
		1209	urxvt::_exit 255;
		1210	}
875		1211
876	=item $isset = $term->option ($optval[, $set])	1212	=item $isset = $term->option ($optval[, $set])
877		1213
878	Returns true if the option specified by C<$optval> is enabled, and	1214	Returns true if the option specified by C<$optval> is enabled, and
879	optionally change it. All option values are stored by name in the hash	1215	optionally change it. All option values are stored by name in the hash
880	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.	1216	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
881		1217
882	Here is a a likely non-exhaustive list of option names, please see the	1218	Here is a likely non-exhaustive list of option names, please see the
883	source file F</src/optinc.h> to see the actual list:	1219	source file F</src/optinc.h> to see the actual list:
884		1220
885	borderLess console cursorBlink cursorUnderline hold iconic insecure	1221	borderLess buffered console cursorBlink cursorUnderline hold iconic
886	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage	1222	insecure intensityStyles iso14755 iso14755_52 jumpScroll loginShell
		1223	mapAlert meta8 mouseWheelScrollPage override_redirect pastableTabs
887	pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating	1224	pointerBlank reverseVideo scrollBar scrollBar_floating scrollBar_right
888	scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer	1225	scrollTtyKeypress scrollTtyOutput scrollWithBuffer secondaryScreen
889	secondaryScreen secondaryScroll skipBuiltinGlyphs transparent	1226	secondaryScroll skipBuiltinGlyphs skipScroll transparent tripleclickwords
890	tripleclickwords utmpInhibit visualBell	1227	urgentOnBell utmpInhibit visualBell
891		1228
892	=item $value = $term->resource ($name[, $newval])	1229	=item $value = $term->resource ($name[, $newval])
893		1230
894	Returns the current resource value associated with a given name and	1231	Returns the current resource value associated with a given name and
895	optionally sets a new value. Setting values is most useful in the C<init>	1232	optionally sets a new value. Setting values is most useful in the C<init>
…		…
904	likely change).	1241	likely change).
905		1242
906	Please note that resource strings will currently only be freed when the	1243	Please note that resource strings will currently only be freed when the
907	terminal is destroyed, so changing options frequently will eat memory.	1244	terminal is destroyed, so changing options frequently will eat memory.
908		1245
909	Here is a a likely non-exhaustive list of resource names, not all of which	1246	Here is a likely non-exhaustive list of resource names, not all of which
910	are supported in every build, please see the source file F</src/rsinc.h>	1247	are supported in every build, please see the source file F</src/rsinc.h>
911	to see the actual list:	1248	to see the actual list:
912		1249
913	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont	1250	answerbackstring backgroundPixmap backspace_key blurradius
914	borderLess color cursorBlink cursorUnderline cutchars delete_key	1251	boldFont boldItalicFont borderLess buffered chdir color cursorBlink
915	display_name embed ext_bwidth fade font geometry hold iconName	1252	cursorUnderline cutchars delete_key depth display_name embed ext_bwidth
916	imFont imLocale inputMethod insecure int_bwidth intensityStyles	1253	fade font geometry hold iconName iconfile imFont imLocale inputMethod
		1254	insecure int_bwidth intensityStyles iso14755 iso14755_52 italicFont
917	italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier	1255	jumpScroll letterSpace lineSpace loginShell mapAlert meta8 modifier
918	mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2	1256	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
919	perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd	1257	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
920	reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating	1258	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
921	scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput	1259	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
922	scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle	1260	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
923	shade term_name title transparent transparent_all tripleclickwords	1261	secondaryScreen secondaryScroll shade skipBuiltinGlyphs skipScroll
		1262	term_name title transient_for transparent tripleclickwords urgentOnBell
924	utmpInhibit visualBell	1263	utmpInhibit visualBell
925		1264
926	=cut	1265	=cut
927		1266
928	sub resource($$;$) {	1267	sub resource($$;$) {
929	my ($self, $name) = (shift, shift);	1268	my ($self, $name) = (shift, shift);
930	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);	1269	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
931	&urxvt::term::_resource	1270	goto &urxvt::term::_resource
932	}	1271	}
933		1272
934	=item $value = $term->x_resource ($pattern)	1273	=item $value = $term->x_resource ($pattern)
935		1274
936	Returns the X-Resource for the given pattern, excluding the program or	1275	Returns the X-Resource for the given pattern, excluding the program or
937	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the	1276	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
938	same value as used by this instance of rxvt-unicode. Returns C<undef> if no	1277	same value as used by this instance of rxvt-unicode. Returns C<undef> if no
939	resource with that pattern exists.	1278	resource with that pattern exists.
940		1279
		1280	Extensions that define extra resources also need to call this method
		1281	to access their values.
		1282
		1283	If the method is called on an extension object (basically, from an
		1284	extension), then the special prefix C<%.> will be replaced by the name of
		1285	the extension and a dot, and the lone string C<%> will be replaced by the
		1286	extension name itself. This makes it possible to code extensions so you
		1287	can rename them and get a new set of commandline switches and resources
		1288	without having to change the actual code.
		1289
941	This method should only be called during the C<on_start> hook, as there is	1290	This method should only be called during the C<on_start> hook, as there is
942	only one resource database per display, and later invocations might return	1291	only one resource database per display, and later invocations might return
943	the wrong resources.	1292	the wrong resources.
944		1293
945	=item $success = $term->parse_keysym ($keysym_spec, $command_string)	1294	=item $value = $term->x_resource_boolean ($pattern)
946		1295
		1296	Like C<x_resource>, above, but interprets the string value as a boolean
		1297	and returns C<1> for true values, C<0> for false values and C<undef> if
		1298	the resource or option isn't specified.
		1299
		1300	You should always use this method to parse boolean resources.
		1301
		1302	=cut
		1303
		1304	sub x_resource_boolean {
		1305	my $res = &x_resource;
		1306
		1307	$res =~ /^\s*(?:true|yes|on|1)\s*$/i ? 1 : defined $res && 0
		1308	}
		1309
		1310	=item $success = $term->bind_action ($key, $octets)
		1311
947	Adds a keymap translation exactly as specified via a resource. See the	1312	Adds a key binding exactly as specified via a C<keysym> resource. See the
948	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.	1313	C<keysym> resource in the urxvt(1) manpage.
949		1314
950	=item $rend = $term->rstyle ([$new_rstyle])	1315	=item $rend = $term->rstyle ([$new_rstyle])
951		1316
952	Return and optionally change the current rendition. Text that is output by	1317	Return and optionally change the current rendition. Text that is output by
953	the terminal application will use this style.	1318	the terminal application will use this style.
…		…
961		1326
962	=item ($row, $col) = $term->selection_beg ([$row, $col])	1327	=item ($row, $col) = $term->selection_beg ([$row, $col])
963		1328
964	=item ($row, $col) = $term->selection_end ([$row, $col])	1329	=item ($row, $col) = $term->selection_end ([$row, $col])
965		1330
966	Return the current values of the selection mark, begin or end positions,	1331	Return the current values of the selection mark, begin or end positions.
967	and optionally set them to new values.	1332
		1333	When arguments are given, then the selection coordinates are set to
		1334	C<$row> and C<$col>, and the selection screen is set to the current
		1335	screen.
		1336
		1337	=item $screen = $term->selection_screen ([$screen])
		1338
		1339	Returns the current selection screen, and then optionally sets it.
968		1340
969	=item $term->selection_make ($eventtime[, $rectangular])	1341	=item $term->selection_make ($eventtime[, $rectangular])
970		1342
971	Tries to make a selection as set by C<selection_beg> and	1343	Tries to make a selection as set by C<selection_beg> and
972	C<selection_end>. If C<$rectangular> is true (default: false), a	1344	C<selection_end>. If C<$rectangular> is true (default: false), a
973	rectangular selection will be made. This is the prefered function to make	1345	rectangular selection will be made. This is the preferred function to make
974	a selection.	1346	a selection.
975		1347
976	=item $success = $term->selection_grab ($eventtime)	1348	=item $success = $term->selection_grab ($eventtime[, $clipboard])
977		1349
978	Try to request the primary selection text from the server (for example, as	1350	Try to acquire ownership of the primary (clipboard if C<$clipboard> is
		1351	true) selection from the server. The corresponding text can be set
979	set by the next method). No visual feedback will be given. This function	1352	with the next method. No visual feedback will be given. This function
980	is mostly useful from within C<on_sel_grab> hooks.	1353	is mostly useful from within C<on_sel_grab> hooks.
981		1354
982	=item $oldtext = $term->selection ([$newtext])	1355	=item $oldtext = $term->selection ([$newtext, $clipboard])
983		1356
984	Return the current selection text and optionally replace it by C<$newtext>.	1357	Return the current selection (clipboard if C<$clipboard> is true) text
		1358	and optionally replace it by C<$newtext>.
		1359
		1360	=item $term->selection_clear ([$clipboard])
		1361
		1362	Revoke ownership of the primary (clipboard if C<$clipboard> is true) selection.
985		1363
986	=item $term->overlay_simple ($x, $y, $text)	1364	=item $term->overlay_simple ($x, $y, $text)
987		1365
988	Create a simple multi-line overlay box. See the next method for details.	1366	Create a simple multi-line overlay box. See the next method for details.
989		1367
…		…
1019		1397
1020	The methods currently supported on C<urxvt::overlay> objects are:	1398	The methods currently supported on C<urxvt::overlay> objects are:
1021		1399
1022	=over 4	1400	=over 4
1023		1401
1024	=item $overlay->set ($x, $y, $text, $rend)	1402	=item $overlay->set ($x, $y, $text[, $rend])
1025		1403
1026	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts	1404	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts
1027	text in rxvt-unicode's special encoding and an array of rendition values	1405	text in rxvt-unicode's special encoding and an array of rendition values
1028	at a specific position inside the overlay.	1406	at a specific position inside the overlay.
		1407
		1408	If C<$rend> is missing, then the rendition will not be changed.
1029		1409
1030	=item $overlay->hide	1410	=item $overlay->hide
1031		1411
1032	If visible, hide the overlay, but do not destroy it.	1412	If visible, hide the overlay, but do not destroy it.
1033		1413
…		…
1103		1483
1104	Normally its not a good idea to use this function, as programs might be	1484	Normally its not a good idea to use this function, as programs might be
1105	confused by changes in cursor position or scrolling. Its useful inside a	1485	confused by changes in cursor position or scrolling. Its useful inside a
1106	C<on_add_lines> hook, though.	1486	C<on_add_lines> hook, though.
1107		1487
		1488	=item $term->scr_change_screen ($screen)
		1489
		1490	Switch to given screen - 0 primary, 1 secondary.
		1491
1108	=item $term->cmd_parse ($octets)	1492	=item $term->cmd_parse ($octets)
1109		1493
1110	Similar to C<scr_add_lines>, but the argument must be in the	1494	Similar to C<scr_add_lines>, but the argument must be in the
1111	locale-specific encoding of the terminal and can contain command sequences	1495	locale-specific encoding of the terminal and can contain command sequences
1112	(escape codes) that will be interpreted.	1496	(escape codes) that will be interpreted.
1113		1497
1114	=item $term->tt_write ($octets)	1498	=item $term->tt_write ($octets)
1115		1499
1116	Write the octets given in C<$data> to the tty (i.e. as program input). To	1500	Write the octets given in C<$octets> to the tty (i.e. as program input). To
1117	pass characters instead of octets, you should convert your strings first	1501	pass characters instead of octets, you should convert your strings first
1118	to the locale-specific encoding using C<< $term->locale_encode >>.	1502	to the locale-specific encoding using C<< $term->locale_encode >>.
		1503
		1504	=item $term->tt_write_user_input ($octets)
		1505
		1506	Like C<tt_write>, but should be used when writing strings in response to
		1507	the user pressing a key, to invoke the additional actions requested by
		1508	the user for that case (C<tt_write> doesn't do that).
		1509
		1510	The typical use case would be inside C<on_action> hooks.
		1511
		1512	=item $term->tt_paste ($octets)
		1513
		1514	Write the octets given in C<$octets> to the tty as a paste, converting NL to
		1515	CR and bracketing the data with control sequences if bracketed paste mode
		1516	is set.
1119		1517
1120	=item $old_events = $term->pty_ev_events ([$new_events])	1518	=item $old_events = $term->pty_ev_events ([$new_events])
1121		1519
1122	Replaces the event mask of the pty watcher by the given event mask. Can	1520	Replaces the event mask of the pty watcher by the given event mask. Can
1123	be used to suppress input and output handling to the pty/tty. See the	1521	be used to suppress input and output handling to the pty/tty. See the
1124	description of C<< urxvt::timer->events >>. Make sure to always restore	1522	description of C<< urxvt::timer->events >>. Make sure to always restore
1125	the previous value.	1523	the previous value.
1126		1524
		1525	=item $fd = $term->pty_fd
		1526
		1527	Returns the master file descriptor for the pty in use, or C<-1> if no pty
		1528	is used.
		1529
1127	=item $windowid = $term->parent	1530	=item $windowid = $term->parent
1128		1531
1129	Return the window id of the toplevel window.	1532	Return the window id of the toplevel window.
1130		1533
1131	=item $windowid = $term->vt	1534	=item $windowid = $term->vt
1132		1535
1133	Return the window id of the terminal window.	1536	Return the window id of the terminal window.
1134		1537
		1538	=item $term->vt_emask_add ($x_event_mask)
		1539
		1540	Adds the specified events to the vt event mask. Useful e.g. when you want
		1541	to receive pointer events all the times:
		1542
		1543	$term->vt_emask_add (urxvt::PointerMotionMask);
		1544
		1545	=item $term->set_urgency ($set)
		1546
		1547	Enable/disable the urgency hint on the toplevel window.
		1548
		1549	=item $term->focus_in
		1550
		1551	=item $term->focus_out
		1552
		1553	=item $term->key_press ($state, $keycode[, $time])
		1554
		1555	=item $term->key_release ($state, $keycode[, $time])
		1556
		1557	Deliver various fake events to to terminal.
		1558
1135	=item $window_width = $term->width	1559	=item $window_width = $term->width
1136		1560
1137	=item $window_height = $term->height	1561	=item $window_height = $term->height
1138		1562
1139	=item $font_width = $term->fwidth	1563	=item $font_width = $term->fwidth
…		…
1152		1576
1153	=item $max_scrollback = $term->saveLines	1577	=item $max_scrollback = $term->saveLines
1154		1578
1155	=item $nrow_plus_saveLines = $term->total_rows	1579	=item $nrow_plus_saveLines = $term->total_rows
1156		1580
1157	=item $lines_in_scrollback = $term->nsaved	1581	=item $topmost_scrollback_row = $term->top_row
1158		1582
1159	Return various integers describing terminal characteristics.	1583	Return various integers describing terminal characteristics.
1160		1584
1161	=item $x_display = $term->display_id	1585	=item $x_display = $term->display_id
1162		1586
…		…
1169	=item $env = $term->env	1593	=item $env = $term->env
1170		1594
1171	Returns a copy of the environment in effect for the terminal as a hashref	1595	Returns a copy of the environment in effect for the terminal as a hashref
1172	similar to C<\%ENV>.	1596	similar to C<\%ENV>.
1173		1597
		1598	=item @envv = $term->envv
		1599
		1600	Returns the environment as array of strings of the form C<VAR=VALUE>.
		1601
		1602	=item @argv = $term->argv
		1603
		1604	Return the argument vector as this terminal, similar to @ARGV, but
		1605	includes the program name as first element.
		1606
1174	=cut	1607	=cut
1175		1608
1176	sub env {	1609	sub env {
1177	if (my $env = $_[0]->_env) {
1178	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), @$env }	1610	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), $_[0]->envv }
1179	} else {
1180	+{ %ENV }
1181	}
1182	}	1611	}
1183		1612
1184	=item $modifiermask = $term->ModLevel3Mask	1613	=item $modifiermask = $term->ModLevel3Mask
1185		1614
1186	=item $modifiermask = $term->ModMetaMask	1615	=item $modifiermask = $term->ModMetaMask
…		…
1188	=item $modifiermask = $term->ModNumLockMask	1617	=item $modifiermask = $term->ModNumLockMask
1189		1618
1190	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often	1619	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
1191	AltGr), the meta key (often Alt) and the num lock key, if applicable.	1620	AltGr), the meta key (often Alt) and the num lock key, if applicable.
1192		1621
		1622	=item $screen = $term->current_screen
		1623
		1624	Returns the currently displayed screen (0 primary, 1 secondary).
		1625
		1626	=item $cursor_is_hidden = $term->hidden_cursor
		1627
		1628	Returns whether the cursor is currently hidden or not.
		1629
1193	=item $view_start = $term->view_start ([$newvalue])	1630	=item $view_start = $term->view_start ([$newvalue])
1194		1631
1195	Returns the negative row number of the topmost line. Minimum value is	1632	Returns the row number of the topmost displayed line. Maximum value is
1196	C<0>, which displays the normal terminal contents. Larger values scroll	1633	C<0>, which displays the normal terminal contents. Lower values scroll
1197	this many lines into the scrollback buffer.	1634	this many lines into the scrollback buffer.
1198		1635
1199	=item $term->want_refresh	1636	=item $term->want_refresh
1200		1637
1201	Requests a screen refresh. At the next opportunity, rxvt-unicode will	1638	Requests a screen refresh. At the next opportunity, rxvt-unicode will
…		…
1204		1641
1205	Used after changing terminal contents to display them.	1642	Used after changing terminal contents to display them.
1206		1643
1207	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])	1644	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
1208		1645
1209	Returns the text of the entire row with number C<$row_number>. Row C<0>	1646	Returns the text of the entire row with number C<$row_number>. Row C<< $term->top_row >>
1210	is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost	1647	is the topmost terminal line, row C<< $term->nrow-1 >> is the bottommost
1211	terminal line. The scrollback buffer starts at line C<-1> and extends to
1212	line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line	1648	terminal line. Nothing will be returned if a nonexistent line
1213	is requested.	1649	is requested.
1214		1650
1215	If C<$new_text> is specified, it will replace characters in the current	1651	If C<$new_text> is specified, it will replace characters in the current
1216	line, starting at column C<$start_col> (default C<0>), which is useful	1652	line, starting at column C<$start_col> (default C<0>), which is useful
1217	to replace only parts of a line. The font index in the rendition will	1653	to replace only parts of a line. The font index in the rendition will
1218	automatically be updated.	1654	automatically be updated.
1219		1655
1220	C<$text> is in a special encoding: tabs and wide characters that use more	1656	C<$text> is in a special encoding: tabs and wide characters that use more
1221	than one cell when displayed are padded with urxvt::NOCHAR characters	1657	than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
1222	(C<chr 65535>). Characters with combining characters and other characters	1658	characters. Characters with combining characters and other characters that
1223	that do not fit into the normal tetx encoding will be replaced with	1659	do not fit into the normal text encoding will be replaced with characters
1224	characters in the private use area.	1660	in the private use area.
1225		1661
1226	You have to obey this encoding when changing text. The advantage is	1662	You have to obey this encoding when changing text. The advantage is
1227	that C<substr> and similar functions work on screen cells and not on	1663	that C<substr> and similar functions work on screen cells and not on
1228	characters.	1664	characters.
1229		1665
…		…
1313	}	1749	}
1314		1750
1315	sub urxvt::line::t {	1751	sub urxvt::line::t {
1316	my ($self) = @_;	1752	my ($self) = @_;
1317		1753
1318	if (@_ > 1)	1754	if (@_ > 1) {
1319	{
1320	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1755	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1321	for $self->{beg} .. $self->{end};	1756	for $self->{beg} .. $self->{end};
1322	}	1757	}
1323		1758
1324	defined wantarray &&	1759	defined wantarray &&
1325	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),	1760	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),
1326	0, $self->{len}	1761	0, $self->{len}
1327	}	1762	}
1328		1763
1329	sub urxvt::line::r {	1764	sub urxvt::line::r {
1330	my ($self) = @_;	1765	my ($self) = @_;
1331		1766
1332	if (@_ > 1)	1767	if (@_ > 1) {
1333	{
1334	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1768	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1335	for $self->{beg} .. $self->{end};	1769	for $self->{beg} .. $self->{end};
1336	}	1770	}
1337		1771
1338	if (defined wantarray) {	1772	if (defined wantarray) {
1339	my $rend = [	1773	my $rend = [
1340	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}	1774	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}
1341	];	1775	];
…		…
1373	where one character corresponds to one screen cell. See	1807	where one character corresponds to one screen cell. See
1374	C<< $term->ROW_t >> for details.	1808	C<< $term->ROW_t >> for details.
1375		1809
1376	=item $string = $term->special_decode $text	1810	=item $string = $term->special_decode $text
1377		1811
1378	Converts rxvt-unicodes text reprsentation into a perl string. See	1812	Converts rxvt-unicodes text representation into a perl string. See
1379	C<< $term->ROW_t >> for details.	1813	C<< $term->ROW_t >> for details.
1380		1814
1381	=item $success = $term->grab_button ($button, $modifiermask)	1815	=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
1382		1816
		1817	=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
		1818
1383	Registers a synchronous button grab. See the XGrabButton manpage.	1819	Register/unregister a synchronous button grab. See the XGrabButton
		1820	manpage.
1384		1821
1385	=item $success = $term->grab ($eventtime[, $sync])	1822	=item $success = $term->grab ($eventtime[, $sync])
1386		1823
1387	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or	1824	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1388	synchronous (C<$sync> is true). Also remembers the grab timestampe.	1825	synchronous (C<$sync> is true). Also remembers the grab timestamp.
1389		1826
1390	=item $term->allow_events_async	1827	=item $term->allow_events_async
1391		1828
1392	Calls XAllowEvents with AsyncBoth for the most recent grab.	1829	Calls XAllowEvents with AsyncBoth for the most recent grab.
1393		1830
…		…
1400	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most	1837	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
1401	recent grab.	1838	recent grab.
1402		1839
1403	=item $term->ungrab	1840	=item $term->ungrab
1404		1841
1405	Calls XUngrab for the most recent grab. Is called automatically on	1842	Calls XUngrabPointer and XUngrabKeyboard for the most recent grab. Is called automatically on
1406	evaluation errors, as it is better to lose the grab in the error case as	1843	evaluation errors, as it is better to lose the grab in the error case as
1407	the session.	1844	the session.
		1845
		1846	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
		1847
		1848	=item $atom_name = $term->XGetAtomName ($atom)
		1849
		1850	=item @atoms = $term->XListProperties ($window)
		1851
		1852	=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
		1853
		1854	=item $term->XChangeProperty ($window, $property, $type, $format, $octets)
		1855
		1856	=item $term->XDeleteProperty ($window, $property)
		1857
		1858	=item $window = $term->DefaultRootWindow
		1859
		1860	=item $term->XReparentWindow ($window, $parent, [$x, $y])
		1861
		1862	=item $term->XMapWindow ($window)
		1863
		1864	=item $term->XUnmapWindow ($window)
		1865
		1866	=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
		1867
		1868	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
		1869
		1870	=item $term->XChangeInput ($window, $add_events[, $del_events])
		1871
		1872	=item $keysym = $term->XStringToKeysym ($string)
		1873
		1874	=item $string = $term->XKeysymToString ($keysym)
		1875
		1876	Various X or X-related functions. The C<$term> object only serves as
		1877	the source of the display, otherwise those functions map more-or-less
		1878	directly onto the X functions of the same name.
1408		1879
1409	=back	1880	=back
1410		1881
1411	=cut	1882	=cut
1412		1883
…		…
1476	my ($self, $text, $cb) = @_;	1947	my ($self, $text, $cb) = @_;
1477		1948
1478	$self->add_item ({ type => "button", text => $text, activate => $cb});	1949	$self->add_item ({ type => "button", text => $text, activate => $cb});
1479	}	1950	}
1480		1951
1481	=item $popup->add_toggle ($text, $cb, $initial_value)	1952	=item $popup->add_toggle ($text, $initial_value, $cb)
1482		1953
1483	Adds a toggle/checkbox item to the popup. Teh callback gets called	1954	Adds a toggle/checkbox item to the popup. The callback gets called
1484	whenever it gets toggled, with a boolean indicating its value as its first	1955	whenever it gets toggled, with a boolean indicating its new value as its
1485	argument.	1956	first argument.
1486		1957
1487	=cut	1958	=cut
1488		1959
1489	sub add_toggle {	1960	sub add_toggle {
1490	my ($self, $text, $cb, $value) = @_;	1961	my ($self, $text, $value, $cb) = @_;
1491		1962
1492	my $item; $item = {	1963	my $item; $item = {
1493	type => "button",	1964	type => "button",
1494	text => " $text",	1965	text => " $text",
1495	value => $value,	1966	value => $value,
…		…
1514	my $env = $self->{term}->env;	1985	my $env = $self->{term}->env;
1515	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.	1986	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
1516	delete $env->{LC_ALL};	1987	delete $env->{LC_ALL};
1517	$env->{LC_CTYPE} = $self->{term}->locale;	1988	$env->{LC_CTYPE} = $self->{term}->locale;
1518		1989
1519	urxvt::term->new ($env, $self->{term}->resource ("name"),	1990	my $term = urxvt::term->new (
1520	"--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0,	1991	$env, "popup",
		1992	"--perl-lib" => "", "--perl-ext-common" => "",
		1993	"-pty-fd" => -1, "-sl" => 0,
		1994	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1521	"--transient-for" => $self->{term}->parent,	1995	"--transient-for" => $self->{term}->parent,
1522	"-display" => $self->{term}->display_id,	1996	"-display" => $self->{term}->display_id,
1523	"-pe" => "urxvt-popup")	1997	"-pe" => "urxvt-popup",
1524	or die "unable to create popup window\n";	1998	) or die "unable to create popup window\n";
		1999
		2000	unless (delete $term->{urxvt_popup_init_done}) {
		2001	$term->ungrab;
		2002	$term->destroy;
		2003	die "unable to initialise popup window\n";
		2004	}
1525	}	2005	}
1526		2006
1527	sub DESTROY {	2007	sub DESTROY {
1528	my ($self) = @_;	2008	my ($self) = @_;
1529		2009
1530	delete $self->{term}{_destroy}{$self};	2010	delete $self->{term}{_destroy}{$self};
1531	$self->{term}->ungrab;	2011	$self->{term}->ungrab;
1532	}	2012	}
1533		2013
1534	=back	2014	=back
		2015
		2016	=cut
		2017
		2018	package urxvt::watcher;
1535		2019
1536	=head2 The C<urxvt::timer> Class	2020	=head2 The C<urxvt::timer> Class
1537		2021
1538	This class implements timer watchers/events. Time is represented as a	2022	This class implements timer watchers/events. Time is represented as a
1539	fractional number of seconds since the epoch. Example:	2023	fractional number of seconds since the epoch. Example:
…		…
1543	->new	2027	->new
1544	->interval (1)	2028	->interval (1)
1545	->cb (sub {	2029	->cb (sub {
1546	$term->{overlay}->set (0, 0,	2030	$term->{overlay}->set (0, 0,
1547	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);	2031	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
1548	});	2032	});
1549		2033
1550	=over 4	2034	=over 4
1551		2035
1552	=item $timer = new urxvt::timer	2036	=item $timer = new urxvt::timer
1553		2037
…		…
1556		2040
1557	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })	2041	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })
1558		2042
1559	Set the callback to be called when the timer triggers.	2043	Set the callback to be called when the timer triggers.
1560		2044
1561	=item $tstamp = $timer->at
1562
1563	Return the time this watcher will fire next.
1564
1565	=item $timer = $timer->set ($tstamp)	2045	=item $timer = $timer->set ($tstamp[, $interval])
1566		2046
1567	Set the time the event is generated to $tstamp.	2047	Set the time the event is generated to $tstamp (and optionally specifies a
		2048	new $interval).
1568		2049
1569	=item $timer = $timer->interval ($interval)	2050	=item $timer = $timer->interval ($interval)
1570		2051
1571	Normally (and when C<$interval> is C<0>), the timer will automatically	2052	By default (and when C<$interval> is C<0>), the timer will automatically
1572	stop after it has fired once. If C<$interval> is non-zero, then the timer	2053	stop after it has fired once. If C<$interval> is non-zero, then the timer
1573	is automatically rescheduled at the given intervals.	2054	is automatically rescheduled at the given intervals.
1574		2055
1575	=item $timer = $timer->start	2056	=item $timer = $timer->start
1576		2057
1577	Start the timer.	2058	Start the timer.
1578		2059
1579	=item $timer = $timer->start ($tstamp)	2060	=item $timer = $timer->start ($tstamp[, $interval])
1580		2061
1581	Set the event trigger time to C<$tstamp> and start the timer.	2062	Set the event trigger time to C<$tstamp> and start the timer. Optionally
		2063	also replaces the interval.
		2064
		2065	=item $timer = $timer->after ($delay[, $interval])
		2066
		2067	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1582		2068
1583	=item $timer = $timer->stop	2069	=item $timer = $timer->stop
1584		2070
1585	Stop the timer.	2071	Stop the timer.
1586		2072
…		…
1592		2078
1593	$term->{socket} = ...	2079	$term->{socket} = ...
1594	$term->{iow} = urxvt::iow	2080	$term->{iow} = urxvt::iow
1595	->new	2081	->new
1596	->fd (fileno $term->{socket})	2082	->fd (fileno $term->{socket})
1597	->events (urxvt::EVENT_READ)	2083	->events (urxvt::EV_READ)
1598	->start	2084	->start
1599	->cb (sub {	2085	->cb (sub {
1600	my ($iow, $revents) = @_;	2086	my ($iow, $revents) = @_;
1601	# $revents must be 1 here, no need to check	2087	# $revents must be 1 here, no need to check
1602	sysread $term->{socket}, my $buf, 8192	2088	sysread $term->{socket}, my $buf, 8192
…		…
1615	Set the callback to be called when io events are triggered. C<$reventmask>	2101	Set the callback to be called when io events are triggered. C<$reventmask>
1616	is a bitset as described in the C<events> method.	2102	is a bitset as described in the C<events> method.
1617		2103
1618	=item $iow = $iow->fd ($fd)	2104	=item $iow = $iow->fd ($fd)
1619		2105
1620	Set the filedescriptor (not handle) to watch.	2106	Set the file descriptor (not handle) to watch.
1621		2107
1622	=item $iow = $iow->events ($eventmask)	2108	=item $iow = $iow->events ($eventmask)
1623		2109
1624	Set the event mask to watch. The only allowed values are	2110	Set the event mask to watch. The only allowed values are
1625	C<urxvt::EVENT_READ> and C<urxvt::EVENT_WRITE>, which might be ORed	2111	C<urxvt::EV_READ> and C<urxvt::EV_WRITE>, which might be ORed
1626	together, or C<urxvt::EVENT_NONE>.	2112	together, or C<urxvt::EV_NONE>.
1627		2113
1628	=item $iow = $iow->start	2114	=item $iow = $iow->start
1629		2115
1630	Start watching for requested events on the given handle.	2116	Start watching for requested events on the given handle.
1631		2117
1632	=item $iow = $iow->stop	2118	=item $iow = $iow->stop
1633		2119
1634	Stop watching for events on the given filehandle.	2120	Stop watching for events on the given file handle.
		2121
		2122	=back
		2123
		2124	=head2 The C<urxvt::iw> Class
		2125
		2126	This class implements idle watchers, that get called automatically when
		2127	the process is idle. They should return as fast as possible, after doing
		2128	some useful work.
		2129
		2130	=over 4
		2131
		2132	=item $iw = new urxvt::iw
		2133
		2134	Create a new idle watcher object in stopped state.
		2135
		2136	=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
		2137
		2138	Set the callback to be called when the watcher triggers.
		2139
		2140	=item $timer = $timer->start
		2141
		2142	Start the watcher.
		2143
		2144	=item $timer = $timer->stop
		2145
		2146	Stop the watcher.
		2147
		2148	=back
		2149
		2150	=head2 The C<urxvt::pw> Class
		2151
		2152	This class implements process watchers. They create an event whenever a
		2153	process exits, after which they stop automatically.
		2154
		2155	my $pid = fork;
		2156	...
		2157	$term->{pw} = urxvt::pw
		2158	->new
		2159	->start ($pid)
		2160	->cb (sub {
		2161	my ($pw, $exit_status) = @_;
		2162	...
		2163	});
		2164
		2165	=over 4
		2166
		2167	=item $pw = new urxvt::pw
		2168
		2169	Create a new process watcher in stopped state.
		2170
		2171	=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
		2172
		2173	Set the callback to be called when the timer triggers.
		2174
		2175	=item $pw = $timer->start ($pid)
		2176
		2177	Tells the watcher to start watching for process C<$pid>.
		2178
		2179	=item $pw = $pw->stop
		2180
		2181	Stop the watcher.
1635		2182
1636	=back	2183	=back
1637		2184
1638	=head1 ENVIRONMENT	2185	=head1 ENVIRONMENT
1639		2186
…		…
1648		2195
1649	=item >= 3 - script loading and management	2196	=item >= 3 - script loading and management
1650		2197
1651	=item >=10 - all called hooks	2198	=item >=10 - all called hooks
1652		2199
1653	=item >=11 - hook reutrn values	2200	=item >=11 - hook return values
1654		2201
1655	=back	2202	=back
1656		2203
1657	=head1 AUTHOR	2204	=head1 AUTHOR
1658		2205
1659	Marc Lehmann <pcg@goof.com>	2206	Marc Lehmann <schmorp@schmorp.de>
1660	http://software.schmorp.de/pkg/rxvt-unicode	2207	http://software.schmorp.de/pkg/rxvt-unicode
1661		2208
1662	=cut	2209	=cut
1663		2210
1664	1	2211	1
		2212
		2213	# vim: sw=3:

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