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Revision 1.68 by root, Mon Jan 9 20:00:31 2006 UTC vs.
Revision 1.227 by root, Sun Mar 31 20:30:32 2013 UTC

1	=encoding utf8	1	=encoding utf8
2		2
3	=head1 NAME	3	=head1 NAME
4		4
5	@@RXVT_NAME@@perl - rxvt-unicode's embedded perl interpreter	5	urxvtperl - rxvt-unicode's embedded perl interpreter
6		6
7	=head1 SYNOPSIS	7	=head1 SYNOPSIS
8		8
9	# create a file grab_test in $HOME:	9	# create a file grab_test in $HOME:
10		10
11	sub on_sel_grab {	11	sub on_sel_grab {
12	warn "you selected ", $_[0]->selection;	12	warn "you selected ", $_[0]->selection;
13	()	13	()
14	}	14	}
15		15
16	# start a @@RXVT_NAME@@ using it:	16	# start a urxvt using it:
17		17
18	@@RXVT_NAME@@ --perl-lib $HOME -pe grab_test	18	urxvt --perl-lib $HOME -pe grab_test
19		19
20	=head1 DESCRIPTION	20	=head1 DESCRIPTION
21		21
22	Everytime a terminal object gets created, extension scripts specified via	22	Every time a terminal object gets created, extension scripts specified via
23	the C<perl> resource are loaded and associated with it.	23	the C<perl> resource are loaded and associated with it.
24		24
25	Scripts are compiled in a 'use strict' and 'use utf8' environment, and	25	Scripts are compiled in a 'use strict "vars"' and 'use utf8' environment, and
26	thus must be encoded as UTF-8.	26	thus must be encoded as UTF-8.
27		27
28	Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where	28	Each script will only ever be loaded once, even in urxvtd, where
29	scripts will be shared (but not enabled) for all terminals.	29	scripts will be shared (but not enabled) for all terminals.
30		30
31	=head2 Prepackaged Extensions	31	You can disable the embedded perl interpreter by setting both "perl-ext"
		32	and "perl-ext-common" resources to the empty string.
32		33
33	This section describes the extensiosn delivered with this version. You can	34	=head1 PREPACKAGED EXTENSIONS
34	find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>.	35
		36	A number of extensions are delivered with this release. You can find them
		37	in F<< <libdir>/urxvt/perl/ >>, and the documentation can be viewed using
		38	F<< man urxvt-<EXTENSIONNAME> >>.
35		39
36	You can activate them like this:	40	You can activate them like this:
37		41
38	@@RXVT_NAME@@ -pe <extensionname>	42	urxvt -pe <extensionname>
39		43
40	=over 4	44	Or by adding them to the resource for extensions loaded by default:
41		45
42	=item selection (enabled by default)	46	URxvt.perl-ext-common: default,selection-autotransform
43		47
44	Intelligent selection. This extension tries to be more intelligent when	48	Extensions that add command line parameters or resources on their own are
45	the user extends selections (double-click). Right now, it tries to select	49	loaded automatically when used.
46	urls and complete shell-quoted arguments, which is very convenient, too,
47	if your F<ls> supports C<--quoting-style=shell>.
48		50
49	It also offers the following bindable event:	51	=head1 API DOCUMENTATION
50
51	=over 4
52
53	=item rot13
54
55	Rot-13 the selection when activated. Used via keyboard trigger:
56
57	URxvt.keysym.C-M-r: perl:selection:rot13
58
59	=back
60
61	=item option-popup (enabled by default)
62
63	Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at
64	runtime.
65
66	=item selection-popup (enabled by default)
67
68	Binds a popup menu to Ctrl-Button3 that lets you convert the selection
69	text into various other formats/action.
70
71	=item digital-clock
72
73	Displays a digital clock using the built-in overlay.
74
75	=item mark-urls
76
77	Uses per-line display filtering (C<on_line_update>) to underline urls.
78
79	=item block-graphics-to-ascii
80
81	A not very useful example of filtering all text output to the terminal,
82	by replacing all line-drawing characters (U+2500 .. U+259F) by a
83	similar-looking ascii character.
84
85	=item example-refresh-hooks
86
87	Displays a very simple digital clock in the upper right corner of the
88	window. Illustrates overwriting the refresh callbacks to create your own
89	overlays or changes.
90
91	=back
92		52
93	=head2 General API Considerations	53	=head2 General API Considerations
94		54
95	All objects (such as terminals, time watchers etc.) are typical	55	All objects (such as terminals, time watchers etc.) are typical
96	reference-to-hash objects. The hash can be used to store anything you	56	reference-to-hash objects. The hash can be used to store anything you
…		…
108		68
109	=over 4	69	=over 4
110		70
111	=item $text	71	=item $text
112		72
113	Rxvt-unicodes special way of encoding text, where one "unicode" character	73	Rxvt-unicode's special way of encoding text, where one "unicode" character
114	always represents one screen cell. See L<row_t> for a discussion of this format.	74	always represents one screen cell. See L<ROW_t> for a discussion of this format.
115		75
116	=item $string	76	=item $string
117		77
118	A perl text string, with an emphasis on I<text>. It can store all unicode	78	A perl text string, with an emphasis on I<text>. It can store all unicode
119	characters and is to be distinguished with text encoded in a specific	79	characters and is to be distinguished with text encoded in a specific
…		…
122	=item $octets	82	=item $octets
123		83
124	Either binary data or - more common - a text string encoded in a	84	Either binary data or - more common - a text string encoded in a
125	locale-specific way.	85	locale-specific way.
126		86
		87	=item $keysym
		88
		89	an integer that is a valid X11 keysym code. You can convert a string
		90	into a keysym and viceversa by using C<XStringToKeysym> and
		91	C<XKeysymToString>.
		92
127	=back	93	=back
		94
		95	=head2 Extension Objects
		96
		97	Every perl extension is a perl class. A separate perl object is created
		98	for each terminal, and each terminal has its own set of extension objects,
		99	which are passed as the first parameter to hooks. So extensions can use
		100	their C<$self> object without having to think about clashes with other
		101	extensions or other terminals, with the exception of methods and members
		102	that begin with an underscore character C<_>: these are reserved for
		103	internal use.
		104
		105	Although it isn't a C<urxvt::term> object, you can call all methods of the
		106	C<urxvt::term> class on this object.
		107
		108	Additional methods only supported for extension objects are described in
		109	the C<urxvt::extension> section below.
128		110
129	=head2 Hooks	111	=head2 Hooks
130		112
131	The following subroutines can be declared in extension files, and will be	113	The following subroutines can be declared in extension files, and will be
132	called whenever the relevant event happens.	114	called whenever the relevant event happens.
133		115
134	The first argument passed to them is an object private to each terminal	116	The first argument passed to them is an extension object as described in
135	and extension package. You can call all C<urxvt::term> methods on it, but	117	the in the C<Extension Objects> section.
136	its not a real C<urxvt::term> object. Instead, the real C<urxvt::term>
137	object that is shared between all packages is stored in the C<term>
138	member. It is, however, blessed intot he package of the extension script,
139	so for all practical purposes you can treat an extension script as a class.
140		118
141	All of them must return a boolean value. If it is true, then the event	119	B<All> of these hooks must return a boolean value. If any of the called
142	counts as being I<consumed>, and the invocation of other hooks is skipped,	120	hooks returns true, then the event counts as being I<consumed>, and the
143	and the relevant action might not be carried out by the C++ code.	121	relevant action might not be carried out by the C++ code.
144		122
145	When in doubt, return a false value (preferably C<()>).	123	I<< When in doubt, return a false value (preferably C<()>). >>
146		124
147	=over 4	125	=over 4
148		126
149	=item on_init $term	127	=item on_init $term
150		128
151	Called after a new terminal object has been initialized, but before	129	Called after a new terminal object has been initialized, but before
152	windows are created or the command gets run. Most methods are unsafe to	130	windows are created or the command gets run. Most methods are unsafe to
153	call or deliver senseless data, as terminal size and other characteristics	131	call or deliver senseless data, as terminal size and other characteristics
154	have not yet been determined. You can safely query and change resources,	132	have not yet been determined. You can safely query and change resources
155	though.	133	and options, though. For many purposes the C<on_start> hook is a better
		134	place.
		135
		136	=item on_start $term
		137
		138	Called at the very end of initialisation of a new terminal, just before
		139	trying to map (display) the toplevel and returning to the main loop.
		140
		141	=item on_destroy $term
		142
		143	Called whenever something tries to destroy terminal, when the terminal is
		144	still fully functional (not for long, though).
156		145
157	=item on_reset $term	146	=item on_reset $term
158		147
159	Called after the screen is "reset" for any reason, such as resizing or	148	Called after the screen is "reset" for any reason, such as resizing or
160	control sequences. Here is where you can react on changes to size-related	149	control sequences. Here is where you can react on changes to size-related
161	variables.	150	variables.
162		151
163	=item on_start $term	152	=item on_child_start $term, $pid
164		153
165	Called at the very end of initialisation of a new terminal, just before	154	Called just after the child process has been C<fork>ed.
166	returning to the mainloop.	155
		156	=item on_child_exit $term, $status
		157
		158	Called just after the child process has exited. C<$status> is the status
		159	from C<waitpid>.
167		160
168	=item on_sel_make $term, $eventtime	161	=item on_sel_make $term, $eventtime
169		162
170	Called whenever a selection has been made by the user, but before the	163	Called whenever a selection has been made by the user, but before the
171	selection text is copied, so changes to the beginning, end or type of the	164	selection text is copied, so changes to the beginning, end or type of the
…		…
178		171
179	Called whenever a selection has been copied, but before the selection is	172	Called whenever a selection has been copied, but before the selection is
180	requested from the server. The selection text can be queried and changed	173	requested from the server. The selection text can be queried and changed
181	by calling C<< $term->selection >>.	174	by calling C<< $term->selection >>.
182		175
183	Returning a true value aborts selection grabbing. It will still be hilighted.	176	Returning a true value aborts selection grabbing. It will still be highlighted.
184		177
185	=item on_sel_extend $term	178	=item on_sel_extend $term
186		179
187	Called whenever the user tries to extend the selection (e.g. with a double	180	Called whenever the user tries to extend the selection (e.g. with a double
188	click) and is either supposed to return false (normal operation), or	181	click) and is either supposed to return false (normal operation), or
189	should extend the selection itelf and return true to suppress the built-in	182	should extend the selection itself and return true to suppress the built-in
190	processing.	183	processing. This can happen multiple times, as long as the callback
		184	returns true, it will be called on every further click by the user and is
		185	supposed to enlarge the selection more and more, if possible.
191		186
192	See the F<selection> example extension.	187	See the F<selection> example extension.
193		188
194	=item on_view_change $term, $offset	189	=item on_view_change $term, $offset
195		190
196	Called whenever the view offset changes, i..e the user or program	191	Called whenever the view offset changes, i.e. the user or program
197	scrolls. Offset C<0> means display the normal terminal, positive values	192	scrolls. Offset C<0> means display the normal terminal, positive values
198	show this many lines of scrollback.	193	show this many lines of scrollback.
199		194
200	=item on_scroll_back $term, $lines, $saved	195	=item on_scroll_back $term, $lines, $saved
201		196
…		…
205		200
206	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,	201	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,
207	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total	202	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total
208	number of lines that will be in the scrollback buffer.	203	number of lines that will be in the scrollback buffer.
209		204
210	=item on_osc_seq $term, $string	205	=item on_osc_seq $term, $op, $args, $resp
		206
		207	Called on every OSC sequence and can be used to suppress it or modify its
		208	behaviour. The default should be to return an empty list. A true value
		209	suppresses execution of the request completely. Make sure you don't get
		210	confused by recursive invocations when you output an OSC sequence within
		211	this callback.
		212
		213	C<on_osc_seq_perl> should be used for new behaviour.
		214
		215	=item on_osc_seq_perl $term, $args, $resp
211		216
212	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =	217	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
213	operating system command) is processed. Cursor position and other state	218	operating system command) is processed. Cursor position and other state
214	information is up-to-date when this happens. For interoperability, the	219	information is up-to-date when this happens. For interoperability, the
215	string should start with the extension name and a colon, to distinguish	220	string should start with the extension name (sans -osc) and a semicolon,
216	it from commands for other extensions, and this might be enforced in the	221	to distinguish it from commands for other extensions, and this might be
217	future.	222	enforced in the future.
		223
		224	For example, C<overlay-osc> uses this:
		225
		226	sub on_osc_seq_perl {
		227	my ($self, $osc, $resp) = @_;
		228
		229	return unless $osc =~ s/^overlay;//;
		230
		231	... process remaining $osc string
		232	}
218		233
219	Be careful not ever to trust (in a security sense) the data you receive,	234	Be careful not ever to trust (in a security sense) the data you receive,
220	as its source can not easily be controleld (e-mail content, messages from	235	as its source can not easily be controlled (e-mail content, messages from
221	other users on the same system etc.).	236	other users on the same system etc.).
		237
		238	For responses, C<$resp> contains the end-of-args separator used by the
		239	sender.
222		240
223	=item on_add_lines $term, $string	241	=item on_add_lines $term, $string
224		242
225	Called whenever text is about to be output, with the text as argument. You	243	Called whenever text is about to be output, with the text as argument. You
226	can filter/change and output the text yourself by returning a true value	244	can filter/change and output the text yourself by returning a true value
227	and calling C<< $term->scr_add_lines >> yourself. Please note that this	245	and calling C<< $term->scr_add_lines >> yourself. Please note that this
228	might be very slow, however, as your hook is called for B<all> text being	246	might be very slow, however, as your hook is called for B<all> text being
229	output.	247	output.
230		248
		249	=item on_tt_write $term, $octets
		250
		251	Called whenever some data is written to the tty/pty and can be used to
		252	suppress or filter tty input.
		253
		254	=item on_tt_paste $term, $octets
		255
		256	Called whenever text is about to be pasted, with the text as argument. You
		257	can filter/change and paste the text yourself by returning a true value
		258	and calling C<< $term->tt_paste >> yourself. C<$octets> is
		259	locale-encoded.
		260
231	=item on_line_update $term, $row	261	=item on_line_update $term, $row
232		262
233	Called whenever a line was updated or changed. Can be used to filter	263	Called whenever a line was updated or changed. Can be used to filter
234	screen output (e.g. underline urls or other useless stuff). Only lines	264	screen output (e.g. underline urls or other useless stuff). Only lines
235	that are being shown will be filtered, and, due to performance reasons,	265	that are being shown will be filtered, and, due to performance reasons,
…		…
242	later with the already-modified line (e.g. if unrelated parts change), so	272	later with the already-modified line (e.g. if unrelated parts change), so
243	you cannot just toggle rendition bits, but only set them.	273	you cannot just toggle rendition bits, but only set them.
244		274
245	=item on_refresh_begin $term	275	=item on_refresh_begin $term
246		276
247	Called just before the screen gets redrawn. Can be used for overlay	277	Called just before the screen gets redrawn. Can be used for overlay or
248	or similar effects by modify terminal contents in refresh_begin, and	278	similar effects by modifying the terminal contents in refresh_begin, and
249	restoring them in refresh_end. The built-in overlay and selection display	279	restoring them in refresh_end. The built-in overlay and selection display
250	code is run after this hook, and takes precedence.	280	code is run after this hook, and takes precedence.
251		281
252	=item on_refresh_end $term	282	=item on_refresh_end $term
253		283
254	Called just after the screen gets redrawn. See C<on_refresh_begin>.	284	Called just after the screen gets redrawn. See C<on_refresh_begin>.
255		285
256	=item on_keyboard_command $term, $string	286	=item on_user_command $term, $string
257		287
258	Called whenever the user presses a key combination that has a	288	Called whenever a user-configured event is being activated (e.g. via
259	C<perl:string> action bound to it (see description of the B<keysym>	289	a C<perl:string> action bound to a key, see description of the B<keysym>
260	resource in the @@RXVT_NAME@@(1) manpage).	290	resource in the urxvt(1) manpage).
		291
		292	The event is simply the action string. This interface is assumed to change
		293	slightly in the future.
		294
		295	=item on_register_command $term, $keysym, $modifiermask, $string
		296
		297	Called after parsing a keysym resource but before registering the
		298	associated binding. If this hook returns TRUE the binding is not
		299	registered. It can be used to modify a binding by calling
		300	C<register_command>.
		301
		302	=item on_resize_all_windows $term, $new_width, $new_height
		303
		304	Called just after the new window size has been calculated, but before
		305	windows are actually being resized or hints are being set. If this hook
		306	returns TRUE, setting of the window hints is being skipped.
		307
		308	=item on_x_event $term, $event
		309
		310	Called on every X event received on the vt window (and possibly other
		311	windows). Should only be used as a last resort. Most event structure
		312	members are not passed.
		313
		314	=item on_root_event $term, $event
		315
		316	Like C<on_x_event>, but is called for events on the root window.
261		317
262	=item on_focus_in $term	318	=item on_focus_in $term
263		319
264	Called whenever the window gets the keyboard focus, before rxvt-unicode	320	Called whenever the window gets the keyboard focus, before rxvt-unicode
265	does focus in processing.	321	does focus in processing.
266		322
267	=item on_focus_out $term	323	=item on_focus_out $term
268		324
269	Called wheneever the window loses keyboard focus, before rxvt-unicode does	325	Called whenever the window loses keyboard focus, before rxvt-unicode does
270	focus out processing.	326	focus out processing.
271		327
		328	=item on_configure_notify $term, $event
		329
		330	=item on_property_notify $term, $event
		331
272	=item on_key_press $term, $event, $octets	332	=item on_key_press $term, $event, $keysym, $octets
273		333
274	=item on_key_release $term, $event	334	=item on_key_release $term, $event, $keysym
275		335
276	=item on_button_press $term, $event	336	=item on_button_press $term, $event
277		337
278	=item on_button_release $term, $event	338	=item on_button_release $term, $event
279		339
…		…
281		341
282	=item on_map_notify $term, $event	342	=item on_map_notify $term, $event
283		343
284	=item on_unmap_notify $term, $event	344	=item on_unmap_notify $term, $event
285		345
286	Called whenever the corresponding X event is received for the terminal If	346	Called whenever the corresponding X event is received for the terminal. If
287	the hook returns true, then the even will be ignored by rxvt-unicode.	347	the hook returns true, then the event will be ignored by rxvt-unicode.
288		348
289	The event is a hash with most values as named by Xlib (see the XEvent	349	The event is a hash with most values as named by Xlib (see the XEvent
290	manpage), with the additional members C<row> and C<col>, which are the row	350	manpage), with the additional members C<row> and C<col>, which are the
291	and column under the mouse cursor.	351	(real, not screen-based) row and column under the mouse cursor.
292		352
293	C<on_key_press> additionally receives the string rxvt-unicode would	353	C<on_key_press> additionally receives the string rxvt-unicode would
294	output, if any, in locale-specific encoding.	354	output, if any, in locale-specific encoding.
295		355
296	subwindow.	356	subwindow.
297		357
		358	=item on_client_message $term, $event
		359
		360	=item on_wm_protocols $term, $event
		361
		362	=item on_wm_delete_window $term, $event
		363
		364	Called when various types of ClientMessage events are received (all with
		365	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
		366
		367	=item on_bell $term
		368
		369	Called on receipt of a bell character.
		370
298	=back	371	=back
299		372
		373	=cut
		374
		375	package urxvt;
		376
		377	use utf8;
		378	use strict 'vars';
		379	use Carp ();
		380	use Scalar::Util ();
		381	use List::Util ();
		382
		383	our $VERSION = 1;
		384	our $TERM;
		385	our @TERM_INIT; # should go, prevents async I/O etc.
		386	our @TERM_EXT; # should go, prevents async I/O etc.
		387	our @HOOKNAME;
		388	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
		389	our %OPTION;
		390
		391	our $LIBDIR;
		392	our $RESNAME;
		393	our $RESCLASS;
		394	our $RXVTNAME;
		395
		396	our $NOCHAR = chr 0xffff;
		397
300	=head2 Variables in the C<urxvt> Package	398	=head2 Variables in the C<urxvt> Package
301		399
302	=over 4	400	=over 4
		401
		402	=item $urxvt::LIBDIR
		403
		404	The rxvt-unicode library directory, where, among other things, the perl
		405	modules and scripts are stored.
		406
		407	=item $urxvt::RESCLASS, $urxvt::RESCLASS
		408
		409	The resource class and name rxvt-unicode uses to look up X resources.
		410
		411	=item $urxvt::RXVTNAME
		412
		413	The basename of the installed binaries, usually C<urxvt>.
303		414
304	=item $urxvt::TERM	415	=item $urxvt::TERM
305		416
306	The current terminal. This variable stores the current C<urxvt::term>	417	The current terminal. This variable stores the current C<urxvt::term>
307	object, whenever a callback/hook is executing.	418	object, whenever a callback/hook is executing.
308		419
		420	=item @urxvt::TERM_INIT
		421
		422	All code references in this array will be called as methods of the next newly
		423	created C<urxvt::term> object (during the C<on_init> phase). The array
		424	gets cleared before the code references that were in it are being executed,
		425	so references can push themselves onto it again if they so desire.
		426
		427	This complements to the perl-eval command line option, but gets executed
		428	first.
		429
		430	=item @urxvt::TERM_EXT
		431
		432	Works similar to C<@TERM_INIT>, but contains perl package/class names, which
		433	get registered as normal extensions after calling the hooks in C<@TERM_INIT>
		434	but before other extensions. Gets cleared just like C<@TERM_INIT>.
		435
309	=back	436	=back
310		437
311	=head2 Functions in the C<urxvt> Package	438	=head2 Functions in the C<urxvt> Package
312		439
313	=over 4	440	=over 4
314		441
315	=item $term = new urxvt [arg...]
316
317	Creates a new terminal, very similar as if you had started it with
318	C<system $binfile, arg...>. Croaks (and probably outputs an error message)
319	if the new instance couldn't be created. Returns C<undef> if the new
320	instance didn't initialise perl, and the terminal object otherwise. The
321	C<init> and C<start> hooks will be called during the call.
322
323	=item urxvt::fatal $errormessage	442	=item urxvt::fatal $errormessage
324		443
325	Fatally aborts execution with the given error message. Avoid at all	444	Fatally aborts execution with the given error message (which should
326	costs! The only time this is acceptable is when the terminal process	445	include a trailing newline). Avoid at all costs! The only time this
327	starts up.	446	is acceptable (and useful) is in the init hook, where it prevents the
		447	terminal from starting up.
328		448
329	=item urxvt::warn $string	449	=item urxvt::warn $string
330		450
331	Calls C<rxvt_warn> with the given string which should not include a	451	Calls C<rxvt_warn> with the given string which should include a trailing
332	newline. The module also overwrites the C<warn> builtin with a function	452	newline. The module also overwrites the C<warn> builtin with a function
333	that calls this function.	453	that calls this function.
334		454
335	Using this function has the advantage that its output ends up in the	455	Using this function has the advantage that its output ends up in the
336	correct place, e.g. on stderr of the connecting urxvtc client.	456	correct place, e.g. on stderr of the connecting urxvtc client.
337		457
338	=item $is_safe = urxvt::safe	458	Messages have a size limit of 1023 bytes currently.
339		459
340	Returns true when it is safe to do potentially unsafe things, such as	460	=item @terms = urxvt::termlist
341	evaluating perl code specified by the user. This is true when urxvt was	461
342	started setuid or setgid.	462	Returns all urxvt::term objects that exist in this process, regardless of
		463	whether they are started, being destroyed etc., so be careful. Only term
		464	objects that have perl extensions attached will be returned (because there
		465	is no urxvt::term object associated with others).
343		466
344	=item $time = urxvt::NOW	467	=item $time = urxvt::NOW
345		468
346	Returns the "current time" (as per the event loop).	469	Returns the "current time" (as per the event loop).
347		470
348	=item urxvt::CurrentTime	471	=item urxvt::CurrentTime
349		472
350	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,	473	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
351	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,	474	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
352	Button4Mask, Button5Mask, AnyModifier	475	Button4Mask, Button5Mask, AnyModifier
		476
		477	=item urxvt::NoEventMask, KeyPressMask, KeyReleaseMask,
		478	ButtonPressMask, ButtonReleaseMask, EnterWindowMask, LeaveWindowMask,
		479	PointerMotionMask, PointerMotionHintMask, Button1MotionMask, Button2MotionMask,
		480	Button3MotionMask, Button4MotionMask, Button5MotionMask, ButtonMotionMask,
		481	KeymapStateMask, ExposureMask, VisibilityChangeMask, StructureNotifyMask,
		482	ResizeRedirectMask, SubstructureNotifyMask, SubstructureRedirectMask,
		483	FocusChangeMask, PropertyChangeMask, ColormapChangeMask, OwnerGrabButtonMask
		484
		485	=item urxvt::KeyPress, KeyRelease, ButtonPress, ButtonRelease, MotionNotify,
		486	EnterNotify, LeaveNotify, FocusIn, FocusOut, KeymapNotify, Expose,
		487	GraphicsExpose, NoExpose, VisibilityNotify, CreateNotify, DestroyNotify,
		488	UnmapNotify, MapNotify, MapRequest, ReparentNotify, ConfigureNotify,
		489	ConfigureRequest, GravityNotify, ResizeRequest, CirculateNotify,
		490	CirculateRequest, PropertyNotify, SelectionClear, SelectionRequest,
		491	SelectionNotify, ColormapNotify, ClientMessage, MappingNotify
353		492
354	Various constants for use in X calls and event processing.	493	Various constants for use in X calls and event processing.
355		494
356	=back	495	=back
357		496
…		…
374		513
375	=item $rend = urxvt::OVERLAY_RSTYLE	514	=item $rend = urxvt::OVERLAY_RSTYLE
376		515
377	Return the rendition mask used for overlays by default.	516	Return the rendition mask used for overlays by default.
378		517
379	=item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline	518	=item $rendbit = urxvt::RS_Bold, urxvt::RS_Italic, urxvt::RS_Blink,
		519	urxvt::RS_RVid, urxvt::RS_Uline
380		520
381	Return the bit that enabled bold, italic, blink, reverse-video and	521	Return the bit that enabled bold, italic, blink, reverse-video and
382	underline, respectively. To enable such a style, just logically OR it into	522	underline, respectively. To enable such a style, just logically OR it into
383	the bitset.	523	the bitset.
384		524
…		…
386		526
387	=item $background = urxvt::GET_BASEBG $rend	527	=item $background = urxvt::GET_BASEBG $rend
388		528
389	Return the foreground/background colour index, respectively.	529	Return the foreground/background colour index, respectively.
390		530
391	=item $rend = urxvt::SET_FGCOLOR ($rend, $new_colour)	531	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour
392		532
393	=item $rend = urxvt::SET_BGCOLOR ($rend, $new_colour)	533	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour
		534
		535	=item $rend = urxvt::SET_COLOR $rend, $new_fg, $new_bg
394		536
395	Replace the foreground/background colour in the rendition mask with the	537	Replace the foreground/background colour in the rendition mask with the
396	specified one.	538	specified one.
397		539
398	=item $value = urxvt::GET_CUSTOM ($rend)	540	=item $value = urxvt::GET_CUSTOM $rend
399		541
400	Return the "custom" value: Every rendition has 5 bits for use by	542	Return the "custom" value: Every rendition has 5 bits for use by
401	extensions. They can be set and changed as you like and are initially	543	extensions. They can be set and changed as you like and are initially
402	zero.	544	zero.
403		545
404	=item $rend = urxvt::SET_CUSTOM ($rend, $new_value)	546	=item $rend = urxvt::SET_CUSTOM $rend, $new_value
405		547
406	Change the custom value.	548	Change the custom value.
407		549
408	=back	550	=back
409		551
410	=cut	552	=cut
411		553
412	package urxvt;
413
414	use utf8;
415	use strict;
416	use Scalar::Util ();
417	use List::Util ();
418
419	our $VERSION = 1;
420	our $TERM;
421	our @HOOKNAME;
422	our %OPTION;
423	our $LIBDIR;
424
425	BEGIN {	554	BEGIN {
426	urxvt->bootstrap;
427
428	# overwrite perl's warn	555	# overwrite perl's warn
429	*CORE::GLOBAL::warn = sub {	556	*CORE::GLOBAL::warn = sub {
430	my $msg = join "", @_;	557	my $msg = join "", @_;
431	$msg .= "\n"	558	$msg .= "\n"
432	unless $msg =~ /\n$/;	559	unless $msg =~ /\n$/;
433	urxvt::warn ($msg);	560	urxvt::warn ($msg);
434	};	561	};
435
436	delete $ENV{IFS};
437	delete $ENV{CDPATH};
438	delete $ENV{BASH_ENV};
439	$ENV{PATH} = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin:/opt/sbin";
440	}	562	}
441		563
442	my @hook_count;	564	no warnings 'utf8';
		565
		566	sub parse_resource {
		567	my ($term, $name, $isarg, $longopt, $flag, $value) = @_;
		568
		569	$name =~ y/-/./ if $isarg;
		570
		571	$term->scan_meta;
		572
		573	my $r = $term->{meta}{resource};
		574	keys %$r; # reste iterator
		575	while (my ($pattern, $v) = each %$r) {
		576	if (
		577	$pattern =~ /\.$/
		578	? $pattern eq substr $name, 0, length $pattern
		579	: $pattern eq $name
		580	) {
		581	$name = "$urxvt::RESCLASS.$name";
		582
		583	push @{ $term->{perl_ext_3} }, $v->[0];
		584
		585	if ($v->[1] eq "boolean") {
		586	$term->put_option_db ($name, $flag ? "true" : "false");
		587	return 1;
		588	} else {
		589	$term->put_option_db ($name, $value);
		590	return 1 + 2;
		591	}
		592	}
		593	}
		594
		595	0
		596	}
		597
		598	sub usage {
		599	my ($term, $usage_type) = @_;
		600
		601	$term->scan_meta;
		602
		603	my $r = $term->{meta}{resource};
		604
		605	for my $pattern (sort keys %$r) {
		606	my ($ext, $type, $desc) = @{ $r->{$pattern} };
		607
		608	$desc .= " (-pe $ext)";
		609
		610	if ($usage_type == 1) {
		611	$pattern =~ y/./-/;
		612	$pattern =~ s/-$/-.../g;
		613
		614	if ($type eq "boolean") {
		615	urxvt::log sprintf " -%-30s %s\n", "/+$pattern", $desc;
		616	} else {
		617	urxvt::log sprintf " -%-30s %s\n", "$pattern $type", $desc;
		618	}
		619	} else {
		620	$pattern =~ s/\.$/.*/g;
		621	urxvt::log sprintf " %-31s %s\n", "$pattern:", $type;
		622	}
		623	}
		624	}
		625
443	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};	626	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
444		627
445	sub verbose {	628	sub verbose {
446	my ($level, $msg) = @_;	629	my ($level, $msg) = @_;
447	warn "$msg\n" if $level <= $verbosity;	630	warn "$msg\n" if $level <= $verbosity;
448	}	631	}
449		632
450	my $extension_pkg = "extension0000";
451	my %extension_pkg;	633	my %extension_pkg;
452		634
453	# load a single script into its own package, once only	635	# load a single script into its own package, once only
454	sub extension_package($) {	636	sub extension_package($) {
455	my ($path) = @_;	637	my ($path) = @_;
456		638
457	$extension_pkg{$path} ||= do {	639	$extension_pkg{$path} ||= do {
458	my $pkg = "urxvt::" . ($extension_pkg++);	640	$path =~ /([^\/\\]+)$/;
		641	my $pkg = $1;
		642	$pkg =~ s/[^[:word:]]/_/g;
		643	$pkg = "urxvt::ext::$pkg";
459		644
460	verbose 3, "loading extension '$path' into package '$pkg'";	645	verbose 3, "loading extension '$path' into package '$pkg'";
		646
		647	(${"$pkg\::_NAME"} = $path) =~ s/^.*[\\\/]//; # hackish
461		648
462	open my $fh, "<:raw", $path	649	open my $fh, "<:raw", $path
463	or die "$path: $!";	650	or die "$path: $!";
464		651
465	my $source = untaint "package $pkg; use strict; use utf8;\n"	652	my $source =
466	. "use base urxvt::term::proxy::;\n"	653	"package $pkg; use strict 'vars'; use utf8; no warnings 'utf8';\n"
467	. "#line 1 \"$path\"\n{\n"	654	. "#line 1 \"$path\"\n{\n"
468	. (do { local $/; <$fh> })	655	. (do { local $/; <$fh> })
469	. "\n};\n1";	656	. "\n};\n1";
470		657
		658	eval $source
471	eval $source or die "$path: $@";	659	or die "$path: $@";
472		660
473	$pkg	661	$pkg
474	}	662	}
475	}	663	}
476		664
…		…
480	sub invoke {	668	sub invoke {
481	local $TERM = shift;	669	local $TERM = shift;
482	my $htype = shift;	670	my $htype = shift;
483		671
484	if ($htype == 0) { # INIT	672	if ($htype == 0) { # INIT
485	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");	673	my @dirs = $TERM->perl_libdirs;
486		674
487	my %ext_arg;	675	my %ext_arg;
488		676
		677	{
		678	my @init = @TERM_INIT;
		679	@TERM_INIT = ();
		680	$_->($TERM) for @init;
		681	my @pkg = @TERM_EXT;
		682	@TERM_EXT = ();
		683	$TERM->register_package ($_) for @pkg;
		684	}
		685
		686	for (
		687	@{ delete $TERM->{perl_ext_3} },
489	for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {	688	grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2
		689	) {
490	if ($_ eq "default") {	690	if ($_ eq "default") {
491	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup);	691	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline);
492	} elsif (/^-(.*)$/) {	692	} elsif (/^-(.*)$/) {
493	delete $ext_arg{$1};	693	delete $ext_arg{$1};
494	} elsif (/^([^<]+)<(.*)>$/) {	694	} elsif (/^([^<]+)<(.*)>$/) {
495	push @{ $ext_arg{$1} }, $2;	695	push @{ $ext_arg{$1} }, $2;
496	} else {	696	} else {
497	$ext_arg{$_} ||= [];	697	$ext_arg{$_} ||= [];
498	}	698	}
499	}	699	}
500		700
501	while (my ($ext, $argv) = each %ext_arg) {	701	for my $ext (sort keys %ext_arg) {
502	my @files = grep -f $_, map "$_/$ext", @dirs;	702	my @files = grep -f $_, map "$_/$ext", @dirs;
503		703
504	if (@files) {	704	if (@files) {
505	$TERM->register_package (extension_package $files[0], $argv);	705	$TERM->register_package (extension_package $files[0], $ext_arg{$ext});
506	} else {	706	} else {
507	warn "perl extension '$ext' not found in perl library search path\n";	707	warn "perl extension '$ext' not found in perl library search path\n";
508	}	708	}
509	}	709	}
510		710
…		…
516		716
517	if (my $cb = $TERM->{_hook}[$htype]) {	717	if (my $cb = $TERM->{_hook}[$htype]) {
518	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"	718	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
519	if $verbosity >= 10;	719	if $verbosity >= 10;
520		720
521	keys %$cb;	721	for my $pkg (keys %$cb) {
522
523	while (my ($pkg, $cb) = each %$cb) {
524	$retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) }	722	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg} || $TERM, @_) };
525	and last;	723	$retval ||= $retval_;
526		724
527	if ($@) {	725	if ($@) {
528	$TERM->ungrab; # better to lose the grab than the session	726	$TERM->ungrab; # better to lose the grab than the session
529	warn $@;	727	warn $@;
530	}	728	}
531	}	729	}
		730
		731	verbose 11, "$HOOKNAME[$htype] returning <$retval>"
		732	if $verbosity >= 11;
532	}	733	}
533		734
534	if ($htype == 1) { # DESTROY	735	if ($htype == 1) { # DESTROY
535	# remove hooks if unused
536	if (my $hook = $TERM->{_hook}) {
537	for my $htype (0..$#$hook) {
538	$hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
539	or set_should_invoke $htype, 0;
540	}
541	}
542
543	# clear package objects	736	# clear package objects
544	%$_ = () for values %{ $TERM->{_pkg} };	737	%$_ = () for values %{ $TERM->{_pkg} };
545		738
546	# clear package	739	# clear package
547	%$TERM = ();	740	%$TERM = ();
548	}	741	}
549		742
550	$retval	743	$retval
551	}	744	}
552		745
553	# urxvt::term::proxy	746	sub SET_COLOR($$$) {
		747	SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
		748	}
554		749
555	sub urxvt::term::proxy::AUTOLOAD {	750	sub rend2mask {
556	$urxvt::term::proxy::AUTOLOAD =~ /:([^:]+)$/	751	no strict 'refs';
		752	my ($str, $mask) = (@_, 0);
		753	my %color = ( fg => undef, bg => undef );
		754	my @failed;
		755	for my $spec ( split /\s+/, $str ) {
		756	if ( $spec =~ /^([fb]g)[_:-]?(\d+)/i ) {
		757	$color{lc($1)} = $2;
		758	} else {
		759	my $neg = $spec =~ s/^[-^]//;
		760	unless ( exists &{"RS_$spec"} ) {
		761	push @failed, $spec;
		762	next;
		763	}
		764	my $cur = &{"RS_$spec"};
		765	if ( $neg ) {
		766	$mask &= ~$cur;
		767	} else {
		768	$mask |= $cur;
		769	}
		770	}
		771	}
		772	($mask, @color{qw(fg bg)}, \@failed)
		773	}
		774
		775	package urxvt::term::extension;
		776
		777	=head2 The C<urxvt::term::extension> class
		778
		779	Each extension attached to a terminal object is represented by
		780	a C<urxvt::term::extension> object.
		781
		782	You can use these objects, which are passed to all callbacks to store any
		783	state related to the terminal and extension instance.
		784
		785	The methods (And data members) documented below can be called on extension
		786	objects, in addition to call methods documented for the <urxvt::term>
		787	class.
		788
		789	=over 4
		790
		791	=item $urxvt_term = $self->{term}
		792
		793	Returns the C<urxvt::term> object associated with this instance of the
		794	extension. This member I<must not> be changed in any way.
		795
		796	=cut
		797
		798	our $AUTOLOAD;
		799
		800	sub AUTOLOAD {
		801	$AUTOLOAD =~ /:([^:]+)$/
557	or die "FATAL: \$AUTOLOAD '$urxvt::term::proxy::AUTOLOAD' unparsable";	802	or die "FATAL: \$AUTOLOAD '$AUTOLOAD' unparsable";
558		803
559	eval qq{	804	eval qq{
560	sub $urxvt::term::proxy::AUTOLOAD {	805	sub $AUTOLOAD {
561	my \$proxy = shift;	806	my \$proxy = shift;
562	\$proxy->{term}->$1 (\@_)	807	\$proxy->{term}->$1 (\@_)
563	}	808	}
564	1	809	1
565	} or die "FATAL: unable to compile method forwarder: $@";	810	} or die "FATAL: unable to compile method forwarder: $@";
566		811
567	goto &$urxvt::term::proxy::AUTOLOAD;	812	goto &$AUTOLOAD;
568	}	813	}
569		814
570	sub urxvt::term::proxy::DESTROY {	815	sub DESTROY {
571	# nop	816	# nop
572	}	817	}
573		818
574	# urxvt::destroy_hook	819	# urxvt::destroy_hook (basically a cheap Guard:: implementation)
575		820
576	sub urxvt::destroy_hook::DESTROY {	821	sub urxvt::destroy_hook::DESTROY {
577	${$_[0]}->();	822	${$_[0]}->();
578	}	823	}
579		824
580	sub urxvt::destroy_hook(&) {	825	sub urxvt::destroy_hook(&) {
581	bless \shift, urxvt::destroy_hook::	826	bless \shift, urxvt::destroy_hook::
582	}	827	}
583		828
		829	=item $self->enable ($hook_name => $cb[, $hook_name => $cb..])
		830
		831	Dynamically enable the given hooks (named without the C<on_> prefix) for
		832	this extension, replacing any previous hook. This is useful when you want
		833	to overwrite time-critical hooks only temporarily.
		834
		835	To install additional callbacks for the same hook, you can use the C<on>
		836	method of the C<urxvt::term> class.
		837
		838	=item $self->disable ($hook_name[, $hook_name..])
		839
		840	Dynamically disable the given hooks.
		841
		842	=cut
		843
		844	sub enable {
		845	my ($self, %hook) = @_;
		846	my $pkg = $self->{_pkg};
		847
		848	while (my ($name, $cb) = each %hook) {
		849	my $htype = $HOOKTYPE{uc $name};
		850	defined $htype
		851	or Carp::croak "unsupported hook type '$name'";
		852
		853	$self->set_should_invoke ($htype, +1)
		854	unless exists $self->{term}{_hook}[$htype]{$pkg};
		855
		856	$self->{term}{_hook}[$htype]{$pkg} = $cb;
		857	}
		858	}
		859
		860	sub disable {
		861	my ($self, @hook) = @_;
		862	my $pkg = $self->{_pkg};
		863
		864	for my $name (@hook) {
		865	my $htype = $HOOKTYPE{uc $name};
		866	defined $htype
		867	or Carp::croak "unsupported hook type '$name'";
		868
		869	$self->set_should_invoke ($htype, -1)
		870	if delete $self->{term}{_hook}[$htype]{$pkg};
		871	}
		872	}
		873
		874	=item $guard = $self->on ($hook_name => $cb[, $hook_name => $cb..])
		875
		876	Similar to the C<enable> enable, but installs additional callbacks for
		877	the given hook(s) (that is, it doesn't replace existing callbacks), and
		878	returns a guard object. When the guard object is destroyed the callbacks
		879	are disabled again.
		880
		881	=cut
		882
		883	sub urxvt::extension::on_disable::DESTROY {
		884	my $disable = shift;
		885
		886	my $term = delete $disable->{""};
		887
		888	while (my ($htype, $id) = each %$disable) {
		889	delete $term->{_hook}[$htype]{$id};
		890	$term->set_should_invoke ($htype, -1);
		891	}
		892	}
		893
		894	sub on {
		895	my ($self, %hook) = @_;
		896
		897	my $term = $self->{term};
		898
		899	my %disable = ( "" => $term );
		900
		901	while (my ($name, $cb) = each %hook) {
		902	my $htype = $HOOKTYPE{uc $name};
		903	defined $htype
		904	or Carp::croak "unsupported hook type '$name'";
		905
		906	$term->set_should_invoke ($htype, +1);
		907	$term->{_hook}[$htype]{ $disable{$htype} = $cb+0 }
		908	= sub { shift; $cb->($self, @_) }; # very ugly indeed
		909	}
		910
		911	bless \%disable, "urxvt::extension::on_disable"
		912	}
		913
		914	=item $self->x_resource ($pattern)
		915
		916	=item $self->x_resource_boolean ($pattern)
		917
		918	These methods support an additional C<%> prefix when called on an
		919	extension object - see the description of these methods in the
		920	C<urxvt::term> class for details.
		921
		922	=cut
		923
		924	sub x_resource {
		925	my ($self, $name) = @_;
		926	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		927	$self->{term}->x_resource ($name)
		928	}
		929
		930	sub x_resource_boolean {
		931	my ($self, $name) = @_;
		932	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		933	$self->{term}->x_resource_boolean ($name)
		934	}
		935
		936	=back
		937
		938	=cut
		939
584	package urxvt::anyevent;	940	package urxvt::anyevent;
585		941
586	=head2 The C<urxvt::anyevent> Class	942	=head2 The C<urxvt::anyevent> Class
587		943
588	The sole purpose of this class is to deliver an interface to the	944	The sole purpose of this class is to deliver an interface to the
589	C<AnyEvent> module - any module using it will work inside urxvt without	945	C<AnyEvent> module - any module using it will work inside urxvt without
590	further work. The only exception is that you cannot wait on condition	946	further programming. The only exception is that you cannot wait on
591	variables, but non-blocking condvar use is ok. What this means is that you	947	condition variables, but non-blocking condvar use is ok.
592	cannot use blocking APIs, but the non-blocking variant should work.
593		948
594	=cut	949	In practical terms this means is that you cannot use blocking APIs, but
		950	the non-blocking variant should work.
595		951
		952	=cut
		953
596	our $VERSION = 1;	954	our $VERSION = '5.23';
597		955
598	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there	956	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
599	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];	957	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
600		958
601	sub timer {	959	sub timer {
…		…
603		961
604	my $cb = $arg{cb};	962	my $cb = $arg{cb};
605		963
606	urxvt::timer	964	urxvt::timer
607	->new	965	->new
608	->start (urxvt::NOW + $arg{after})	966	->after ($arg{after}, $arg{interval})
609	->cb (sub {	967	->cb ($arg{interval} ? $cb : sub {
610	$_[0]->stop; # need to cancel manually	968	$_[0]->stop; # need to cancel manually
611	$cb->();	969	$cb->();
612	})	970	})
613	}	971	}
614		972
615	sub io {	973	sub io {
616	my ($class, %arg) = @_;	974	my ($class, %arg) = @_;
617		975
618	my $cb = $arg{cb};	976	my $cb = $arg{cb};
		977	my $fd = fileno $arg{fh};
		978	defined $fd or $fd = $arg{fh};
619		979
620	bless [$arg{fh}, urxvt::iow	980	bless [$arg{fh}, urxvt::iow
621	->new	981	->new
622	->fd (fileno $arg{fh})	982	->fd ($fd)
623	->events (($arg{poll} =~ /r/ ? 1 : 0)	983	->events (($arg{poll} =~ /r/ ? 1 : 0)
624	| ($arg{poll} =~ /w/ ? 2 : 0))	984	| ($arg{poll} =~ /w/ ? 2 : 0))
625	->start	985	->start
626	->cb (sub {	986	->cb ($cb)
627	$cb->(($_[1] & 1 ? 'r' : '')
628	. ($_[1] & 2 ? 'w' : ''));
629	})],
630	urxvt::anyevent::	987	], urxvt::anyevent::
		988	}
		989
		990	sub idle {
		991	my ($class, %arg) = @_;
		992
		993	my $cb = $arg{cb};
		994
		995	urxvt::iw
		996	->new
		997	->start
		998	->cb ($cb)
		999	}
		1000
		1001	sub child {
		1002	my ($class, %arg) = @_;
		1003
		1004	my $cb = $arg{cb};
		1005
		1006	urxvt::pw
		1007	->new
		1008	->start ($arg{pid})
		1009	->cb (sub {
		1010	$_[0]->stop; # need to cancel manually
		1011	$cb->($_[0]->rpid, $_[0]->rstatus);
		1012	})
631	}	1013	}
632		1014
633	sub DESTROY {	1015	sub DESTROY {
634	$_[0][1]->stop;	1016	$_[0][1]->stop;
635	}	1017	}
636		1018
637	sub condvar {	1019	# only needed for AnyEvent < 6 compatibility
638	bless \my $flag, urxvt::anyevent::condvar::	1020	sub one_event {
639	}
640
641	sub urxvt::anyevent::condvar::broadcast {
642	${$_[0]}++;
643	}
644
645	sub urxvt::anyevent::condvar::wait {
646	unless (${$_[0]}) {
647	require Carp;
648	Carp::croak ("AnyEvent->condvar blocking wait unsupported in urxvt, use a non-blocking API");	1021	Carp::croak "AnyEvent->one_event blocking wait unsupported in urxvt, use a non-blocking API";
649	}
650	}	1022	}
651		1023
652	package urxvt::term;	1024	package urxvt::term;
653		1025
654	=head2 The C<urxvt::term> Class	1026	=head2 The C<urxvt::term> Class
…		…
660	# find on_xxx subs in the package and register them	1032	# find on_xxx subs in the package and register them
661	# as hooks	1033	# as hooks
662	sub register_package {	1034	sub register_package {
663	my ($self, $pkg, $argv) = @_;	1035	my ($self, $pkg, $argv) = @_;
664		1036
665	my $proxy = bless { argv => $argv }, $pkg;	1037	no strict 'refs';
		1038
		1039	urxvt::verbose 6, "register package $pkg to $self";
		1040
		1041	@{"$pkg\::ISA"} = urxvt::term::extension::;
		1042
		1043	my $proxy = bless {
		1044	_pkg => $pkg,
		1045	_name => ${"$pkg\::_NAME"}, # hackish
		1046	argv => $argv,
		1047	}, $pkg;
666	Scalar::Util::weaken ($proxy->{term} = $TERM);	1048	Scalar::Util::weaken ($proxy->{term} = $self);
667		1049
668	$self->{_pkg}{$pkg} = $proxy;	1050	$self->{_pkg}{$pkg} = $proxy;
669		1051
670	for my $htype (0.. $#HOOKNAME) {	1052	for my $name (@HOOKNAME) {
671	my $name = $HOOKNAME[$htype];
672
673	my $ref = $pkg->can ("on_" . lc $name)	1053	if (my $ref = $pkg->can ("on_" . lc $name)) {
		1054	$proxy->enable ($name => $ref);
		1055	}
		1056	}
		1057	}
		1058
		1059	sub perl_libdirs {
		1060	map { split /:/ }
		1061	$_[0]->resource ("perl_lib"),
		1062	$ENV{URXVT_PERL_LIB},
		1063	"$ENV{HOME}/.urxvt/ext",
		1064	"$LIBDIR/perl"
		1065	}
		1066
		1067	sub scan_meta {
		1068	my ($self) = @_;
		1069	my @libdirs = perl_libdirs $self;
		1070
		1071	return if $self->{meta_libdirs} eq join "\x00", @libdirs;
		1072
		1073	my %meta;
		1074
		1075	$self->{meta_libdirs} = join "\x00", @libdirs;
		1076	$self->{meta} = \%meta;
		1077
		1078	for my $dir (reverse @libdirs) {
		1079	opendir my $fh, $dir
674	or next;	1080	or next;
		1081	for my $ext (readdir $fh) {
		1082	$ext !~ /^\./
		1083	and open my $fh, "<", "$dir/$ext"
		1084	or next;
675		1085
676	$self->{_hook}[$htype]{$pkg} = $ref;	1086	while (<$fh>) {
677	$hook_count[$htype]++	1087	if (/^#:META:X_RESOURCE:(.*)/) {
678	or urxvt::set_should_invoke $htype, 1;	1088	my ($pattern, $type, $desc) = split /:/, $1;
		1089	$pattern =~ s/^%(\.|$)/$ext$1/g; # % in pattern == extension name
		1090	if ($pattern =~ /[^a-zA-Z0-9\-\.]/) {
		1091	warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n";
		1092	} else {
		1093	$meta{resource}{$pattern} = [$ext, $type, $desc];
		1094	}
		1095	} elsif (/^\s*(?:#|$)/) {
		1096	# skip other comments and empty lines
		1097	} else {
		1098	last; # stop parsing on first non-empty non-comment line
		1099	}
		1100	}
		1101	}
679	}	1102	}
680	}	1103	}
681		1104
		1105	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
		1106
		1107	Creates a new terminal, very similar as if you had started it with system
		1108	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
		1109	hash which defines the environment of the new terminal.
		1110
		1111	Croaks (and probably outputs an error message) if the new instance
		1112	couldn't be created. Returns C<undef> if the new instance didn't
		1113	initialise perl, and the terminal object otherwise. The C<init> and
		1114	C<start> hooks will be called before this call returns, and are free to
		1115	refer to global data (which is race free).
		1116
		1117	=cut
		1118
		1119	sub new {
		1120	my ($class, $env, @args) = @_;
		1121
		1122	$env or Carp::croak "environment hash missing in call to urxvt::term->new";
		1123	@args or Carp::croak "name argument missing in call to urxvt::term->new";
		1124
		1125	_new ([ map "$_=$env->{$_}", keys %$env ], \@args);
		1126	}
		1127
682	=item $term->destroy	1128	=item $term->destroy
683		1129
684	Destroy the terminal object (close the window, free resources etc.).	1130	Destroy the terminal object (close the window, free resources
		1131	etc.). Please note that urxvt will not exit as long as any event
		1132	watchers (timers, io watchers) are still active.
		1133
		1134	=item $term->exec_async ($cmd[, @args])
		1135
		1136	Works like the combination of the C<fork>/C<exec> builtins, which executes
		1137	("starts") programs in the background. This function takes care of setting
		1138	the user environment before exec'ing the command (e.g. C<PATH>) and should
		1139	be preferred over explicit calls to C<exec> or C<system>.
		1140
		1141	Returns the pid of the subprocess or C<undef> on error.
		1142
		1143	=cut
		1144
		1145	sub exec_async {
		1146	my $self = shift;
		1147
		1148	my $pid = fork;
		1149
		1150	return $pid
		1151	if !defined $pid or $pid;
		1152
		1153	%ENV = %{ $self->env };
		1154
		1155	exec @_;
		1156	urxvt::_exit 255;
		1157	}
685		1158
686	=item $isset = $term->option ($optval[, $set])	1159	=item $isset = $term->option ($optval[, $set])
687		1160
688	Returns true if the option specified by C<$optval> is enabled, and	1161	Returns true if the option specified by C<$optval> is enabled, and
689	optionally change it. All option values are stored by name in the hash	1162	optionally change it. All option values are stored by name in the hash
690	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.	1163	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
691		1164
692	Here is a a likely non-exhaustive list of option names, please see the	1165	Here is a likely non-exhaustive list of option names, please see the
693	source file F</src/optinc.h> to see the actual list:	1166	source file F</src/optinc.h> to see the actual list:
694		1167
695	borderLess console cursorBlink cursorUnderline hold iconic insecure	1168	borderLess buffered console cursorBlink cursorUnderline hold iconic
696	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage	1169	insecure intensityStyles iso14755 iso14755_52 jumpScroll loginShell
		1170	mapAlert meta8 mouseWheelScrollPage override_redirect pastableTabs
697	pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating	1171	pointerBlank reverseVideo scrollBar scrollBar_floating scrollBar_right
698	scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer	1172	scrollTtyKeypress scrollTtyOutput scrollWithBuffer secondaryScreen
699	secondaryScreen secondaryScroll skipBuiltinGlyphs transparent	1173	secondaryScroll skipBuiltinGlyphs skipScroll transparent tripleclickwords
700	tripleclickwords utmpInhibit visualBell	1174	urgentOnBell utmpInhibit visualBell
701		1175
702	=item $value = $term->resource ($name[, $newval])	1176	=item $value = $term->resource ($name[, $newval])
703		1177
704	Returns the current resource value associated with a given name and	1178	Returns the current resource value associated with a given name and
705	optionally sets a new value. Setting values is most useful in the C<init>	1179	optionally sets a new value. Setting values is most useful in the C<init>
…		…
714	likely change).	1188	likely change).
715		1189
716	Please note that resource strings will currently only be freed when the	1190	Please note that resource strings will currently only be freed when the
717	terminal is destroyed, so changing options frequently will eat memory.	1191	terminal is destroyed, so changing options frequently will eat memory.
718		1192
719	Here is a a likely non-exhaustive list of resource names, not all of which	1193	Here is a likely non-exhaustive list of resource names, not all of which
720	are supported in every build, please see the source file F</src/rsinc.h>	1194	are supported in every build, please see the source file F</src/rsinc.h>
721	to see the actual list:	1195	to see the actual list:
722		1196
723	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont	1197	answerbackstring backgroundPixmap backspace_key blurradius
724	borderLess color cursorBlink cursorUnderline cutchars delete_key	1198	boldFont boldItalicFont borderLess buffered chdir color cursorBlink
725	display_name embed ext_bwidth fade font geometry hold iconName	1199	cursorUnderline cutchars delete_key depth display_name embed ext_bwidth
726	imFont imLocale inputMethod insecure int_bwidth intensityStyles	1200	fade font geometry hold iconName iconfile imFont imLocale inputMethod
		1201	insecure int_bwidth intensityStyles iso14755 iso14755_52 italicFont
727	italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier	1202	jumpScroll letterSpace lineSpace loginShell mapAlert meta8 modifier
728	mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2	1203	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
729	perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd	1204	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
730	reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating	1205	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
731	scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput	1206	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
732	scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle	1207	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
733	shade term_name title transparent transparent_all tripleclickwords	1208	secondaryScreen secondaryScroll shade skipBuiltinGlyphs skipScroll
		1209	term_name title transient_for transparent tripleclickwords urgentOnBell
734	utmpInhibit visualBell	1210	utmpInhibit visualBell
735		1211
736	=cut	1212	=cut
737		1213
738	sub resource($$;$) {	1214	sub resource($$;$) {
739	my ($self, $name) = (shift, shift);	1215	my ($self, $name) = (shift, shift);
740	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);	1216	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
741	&urxvt::term::_resource	1217	goto &urxvt::term::_resource
742	}	1218	}
		1219
		1220	=item $value = $term->x_resource ($pattern)
		1221
		1222	Returns the X-Resource for the given pattern, excluding the program or
		1223	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
		1224	same value as used by this instance of rxvt-unicode. Returns C<undef> if no
		1225	resource with that pattern exists.
		1226
		1227	Extensions that define extra resource or command line arguments also need
		1228	to call this method to access their values.
		1229
		1230	If the method is called on an extension object (basically, from an
		1231	extension), then the special prefix C<%.> will be replaced by the name of
		1232	the extension and a dot, and the lone string C<%> will be replaced by the
		1233	extension name itself. This makes it possible to code extensions so you
		1234	can rename them and get a new set of commandline switches and resources
		1235	without having to change the actual code.
		1236
		1237	This method should only be called during the C<on_start> hook, as there is
		1238	only one resource database per display, and later invocations might return
		1239	the wrong resources.
		1240
		1241	=item $value = $term->x_resource_boolean ($pattern)
		1242
		1243	Like C<x_resource>, above, but interprets the string value as a boolean
		1244	and returns C<1> for true values, C<0> for false values and C<undef> if
		1245	the resource or option isn't specified.
		1246
		1247	You should always use this method to parse boolean resources.
		1248
		1249	=cut
		1250
		1251	sub x_resource_boolean {
		1252	my $res = &x_resource;
		1253
		1254	$res =~ /^\s*(?:true|yes|on|1)\s*$/i ? 1 : defined $res && 0
		1255	}
		1256
		1257	=item $success = $term->parse_keysym ($key, $octets)
		1258
		1259	Adds a key binding exactly as specified via a resource. See the
		1260	C<keysym> resource in the urxvt(1) manpage.
		1261
		1262	=item $term->register_command ($keysym, $modifiermask, $string)
		1263
		1264	Adds a key binding. This is a lower level api compared to
		1265	C<parse_keysym>, as it expects a parsed key description, and can be
		1266	used only inside either the C<on_init> hook, to add a binding, or the
		1267	C<on_register_command> hook, to modify a parsed binding.
743		1268
744	=item $rend = $term->rstyle ([$new_rstyle])	1269	=item $rend = $term->rstyle ([$new_rstyle])
745		1270
746	Return and optionally change the current rendition. Text that is output by	1271	Return and optionally change the current rendition. Text that is output by
747	the terminal application will use this style.	1272	the terminal application will use this style.
…		…
755		1280
756	=item ($row, $col) = $term->selection_beg ([$row, $col])	1281	=item ($row, $col) = $term->selection_beg ([$row, $col])
757		1282
758	=item ($row, $col) = $term->selection_end ([$row, $col])	1283	=item ($row, $col) = $term->selection_end ([$row, $col])
759		1284
760	Return the current values of the selection mark, begin or end positions,	1285	Return the current values of the selection mark, begin or end positions.
761	and optionally set them to new values.
762		1286
		1287	When arguments are given, then the selection coordinates are set to
		1288	C<$row> and C<$col>, and the selection screen is set to the current
		1289	screen.
		1290
		1291	=item $screen = $term->selection_screen ([$screen])
		1292
		1293	Returns the current selection screen, and then optionally sets it.
		1294
		1295	=item $term->selection_make ($eventtime[, $rectangular])
		1296
		1297	Tries to make a selection as set by C<selection_beg> and
		1298	C<selection_end>. If C<$rectangular> is true (default: false), a
		1299	rectangular selection will be made. This is the preferred function to make
		1300	a selection.
		1301
763	=item $success = $term->selection_grab ($eventtime)	1302	=item $success = $term->selection_grab ($eventtime[, $clipboard])
764		1303
765	Try to request the primary selection from the server (for example, as set	1304	Try to acquire ownership of the primary (clipboard if C<$clipboard> is
766	by the next method).	1305	true) selection from the server. The corresponding text can be set
		1306	with the next method. No visual feedback will be given. This function
		1307	is mostly useful from within C<on_sel_grab> hooks.
767		1308
768	=item $oldtext = $term->selection ([$newtext])	1309	=item $oldtext = $term->selection ([$newtext, $clipboard])
769		1310
770	Return the current selection text and optionally replace it by C<$newtext>.	1311	Return the current selection (clipboard if C<$clipboard> is true) text
		1312	and optionally replace it by C<$newtext>.
771		1313
		1314	=item $term->selection_clear ([$clipboard])
		1315
		1316	Revoke ownership of the primary (clipboard if C<$clipboard> is true) selection.
		1317
772	#=item $term->overlay ($x, $y, $text)	1318	=item $term->overlay_simple ($x, $y, $text)
773	#	1319
774	#Create a simple multi-line overlay box. See the next method for details.	1320	Create a simple multi-line overlay box. See the next method for details.
775	#	1321
776	#=cut	1322	=cut
777	#	1323
778	#sub urxvt::term::scr_overlay {	1324	sub overlay_simple {
779	# my ($self, $x, $y, $text) = @_;	1325	my ($self, $x, $y, $text) = @_;
780	#	1326
781	# my @lines = split /\n/, $text;	1327	my @lines = split /\n/, $text;
782	#	1328
783	# my $w = 0;	1329	my $w = List::Util::max map $self->strwidth ($_), @lines;
784	# for (map $self->strwidth ($_), @lines) {	1330
785	# $w = $_ if $w < $_;
786	# }
787	#
788	# $self->scr_overlay_new ($x, $y, $w, scalar @lines);	1331	my $overlay = $self->overlay ($x, $y, $w, scalar @lines);
789	# $self->scr_overlay_set (0, $_, $lines[$_]) for 0.. $#lines;	1332	$overlay->set (0, $_, $lines[$_]) for 0.. $#lines;
790	#}	1333
		1334	$overlay
		1335	}
791		1336
792	=item $term->overlay ($x, $y, $width, $height[, $rstyle[, $border]])	1337	=item $term->overlay ($x, $y, $width, $height[, $rstyle[, $border]])
793		1338
794	Create a new (empty) overlay at the given position with the given	1339	Create a new (empty) overlay at the given position with the given
795	width/height. C<$rstyle> defines the initial rendition style	1340	width/height. C<$rstyle> defines the initial rendition style
…		…
806		1351
807	The methods currently supported on C<urxvt::overlay> objects are:	1352	The methods currently supported on C<urxvt::overlay> objects are:
808		1353
809	=over 4	1354	=over 4
810		1355
811	=item $overlay->set ($x, $y, $text, $rend)	1356	=item $overlay->set ($x, $y, $text[, $rend])
812		1357
813	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts	1358	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts
814	text in rxvt-unicode's special encoding and an array of rendition values	1359	text in rxvt-unicode's special encoding and an array of rendition values
815	at a specific position inside the overlay.	1360	at a specific position inside the overlay.
		1361
		1362	If C<$rend> is missing, then the rendition will not be changed.
816		1363
817	=item $overlay->hide	1364	=item $overlay->hide
818		1365
819	If visible, hide the overlay, but do not destroy it.	1366	If visible, hide the overlay, but do not destroy it.
820		1367
…		…
862		1409
863	=item $string = $term->locale_decode ($octets)	1410	=item $string = $term->locale_decode ($octets)
864		1411
865	Convert the given locale-encoded octets into a perl string.	1412	Convert the given locale-encoded octets into a perl string.
866		1413
		1414	=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])
		1415
		1416	XORs the rendition values in the given span with the provided value
		1417	(default: C<RS_RVid>), which I<MUST NOT> contain font styles. Useful in
		1418	refresh hooks to provide effects similar to the selection.
		1419
		1420	=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])
		1421
		1422	Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing
		1423	whitespace will additionally be xored with the C<$rstyle2>, which defaults
		1424	to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines
		1425	it instead. Both styles I<MUST NOT> contain font styles.
		1426
		1427	=item $term->scr_bell
		1428
		1429	Ring the bell!
		1430
867	=item $term->scr_add_lines ($string)	1431	=item $term->scr_add_lines ($string)
868		1432
869	Write the given text string to the screen, as if output by the application	1433	Write the given text string to the screen, as if output by the application
870	running inside the terminal. It may not contain command sequences (escape	1434	running inside the terminal. It may not contain command sequences (escape
871	codes), but is free to use line feeds, carriage returns and tabs. The	1435	codes), but is free to use line feeds, carriage returns and tabs. The
…		…
873		1437
874	Normally its not a good idea to use this function, as programs might be	1438	Normally its not a good idea to use this function, as programs might be
875	confused by changes in cursor position or scrolling. Its useful inside a	1439	confused by changes in cursor position or scrolling. Its useful inside a
876	C<on_add_lines> hook, though.	1440	C<on_add_lines> hook, though.
877		1441
		1442	=item $term->scr_change_screen ($screen)
		1443
		1444	Switch to given screen - 0 primary, 1 secondary.
		1445
878	=item $term->cmd_parse ($octets)	1446	=item $term->cmd_parse ($octets)
879		1447
880	Similar to C<scr_add_lines>, but the argument must be in the	1448	Similar to C<scr_add_lines>, but the argument must be in the
881	locale-specific encoding of the terminal and can contain command sequences	1449	locale-specific encoding of the terminal and can contain command sequences
882	(escape codes) that will be interpreted.	1450	(escape codes) that will be interpreted.
883		1451
884	=item $term->tt_write ($octets)	1452	=item $term->tt_write ($octets)
885		1453
886	Write the octets given in C<$data> to the tty (i.e. as program input). To	1454	Write the octets given in C<$octets> to the tty (i.e. as program input). To
887	pass characters instead of octets, you should convert your strings first	1455	pass characters instead of octets, you should convert your strings first
888	to the locale-specific encoding using C<< $term->locale_encode >>.	1456	to the locale-specific encoding using C<< $term->locale_encode >>.
889		1457
		1458	=item $term->tt_paste ($octets)
		1459
		1460	Write the octets given in C<$octets> to the tty as a paste, converting NL to
		1461	CR and bracketing the data with control sequences if bracketed paste mode
		1462	is set.
		1463
		1464	=item $old_events = $term->pty_ev_events ([$new_events])
		1465
		1466	Replaces the event mask of the pty watcher by the given event mask. Can
		1467	be used to suppress input and output handling to the pty/tty. See the
		1468	description of C<< urxvt::timer->events >>. Make sure to always restore
		1469	the previous value.
		1470
		1471	=item $fd = $term->pty_fd
		1472
		1473	Returns the master file descriptor for the pty in use, or C<-1> if no pty
		1474	is used.
		1475
890	=item $windowid = $term->parent	1476	=item $windowid = $term->parent
891		1477
892	Return the window id of the toplevel window.	1478	Return the window id of the toplevel window.
893		1479
894	=item $windowid = $term->vt	1480	=item $windowid = $term->vt
895		1481
896	Return the window id of the terminal window.	1482	Return the window id of the terminal window.
897		1483
		1484	=item $term->vt_emask_add ($x_event_mask)
		1485
		1486	Adds the specified events to the vt event mask. Useful e.g. when you want
		1487	to receive pointer events all the times:
		1488
		1489	$term->vt_emask_add (urxvt::PointerMotionMask);
		1490
		1491	=item $term->set_urgency ($set)
		1492
		1493	Enable/disable the urgency hint on the toplevel window.
		1494
		1495	=item $term->focus_in
		1496
		1497	=item $term->focus_out
		1498
		1499	=item $term->key_press ($state, $keycode[, $time])
		1500
		1501	=item $term->key_release ($state, $keycode[, $time])
		1502
		1503	Deliver various fake events to to terminal.
		1504
898	=item $window_width = $term->width	1505	=item $window_width = $term->width
899		1506
900	=item $window_height = $term->height	1507	=item $window_height = $term->height
901		1508
902	=item $font_width = $term->fwidth	1509	=item $font_width = $term->fwidth
…		…
915		1522
916	=item $max_scrollback = $term->saveLines	1523	=item $max_scrollback = $term->saveLines
917		1524
918	=item $nrow_plus_saveLines = $term->total_rows	1525	=item $nrow_plus_saveLines = $term->total_rows
919		1526
920	=item $lines_in_scrollback = $term->nsaved	1527	=item $topmost_scrollback_row = $term->top_row
921		1528
922	Return various integers describing terminal characteristics.	1529	Return various integers describing terminal characteristics.
923		1530
		1531	=item $x_display = $term->display_id
		1532
		1533	Return the DISPLAY used by rxvt-unicode.
		1534
924	=item $lc_ctype = $term->locale	1535	=item $lc_ctype = $term->locale
925		1536
926	Returns the LC_CTYPE category string used by this rxvt-unicode.	1537	Returns the LC_CTYPE category string used by this rxvt-unicode.
927		1538
928	=item $x_display = $term->display_id	1539	=item $env = $term->env
929		1540
930	Return the DISPLAY used by rxvt-unicode.	1541	Returns a copy of the environment in effect for the terminal as a hashref
		1542	similar to C<\%ENV>.
		1543
		1544	=item @envv = $term->envv
		1545
		1546	Returns the environment as array of strings of the form C<VAR=VALUE>.
		1547
		1548	=item @argv = $term->argv
		1549
		1550	Return the argument vector as this terminal, similar to @ARGV, but
		1551	includes the program name as first element.
		1552
		1553	=cut
		1554
		1555	sub env {
		1556	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), $_[0]->envv }
		1557	}
931		1558
932	=item $modifiermask = $term->ModLevel3Mask	1559	=item $modifiermask = $term->ModLevel3Mask
933		1560
934	=item $modifiermask = $term->ModMetaMask	1561	=item $modifiermask = $term->ModMetaMask
935		1562
936	=item $modifiermask = $term->ModNumLockMask	1563	=item $modifiermask = $term->ModNumLockMask
937		1564
938	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often	1565	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
939	AltGr), the meta key (often Alt) and the num lock key, if applicable.	1566	AltGr), the meta key (often Alt) and the num lock key, if applicable.
940		1567
		1568	=item $screen = $term->current_screen
		1569
		1570	Returns the currently displayed screen (0 primary, 1 secondary).
		1571
		1572	=item $cursor_is_hidden = $term->hidden_cursor
		1573
		1574	Returns whether the cursor is currently hidden or not.
		1575
941	=item $view_start = $term->view_start ([$newvalue])	1576	=item $view_start = $term->view_start ([$newvalue])
942		1577
943	Returns the negative row number of the topmost line. Minimum value is	1578	Returns the row number of the topmost displayed line. Maximum value is
944	C<0>, which displays the normal terminal contents. Larger values scroll	1579	C<0>, which displays the normal terminal contents. Lower values scroll
945	this many lines into the scrollback buffer.	1580	this many lines into the scrollback buffer.
946		1581
947	=item $term->want_refresh	1582	=item $term->want_refresh
948		1583
949	Requests a screen refresh. At the next opportunity, rxvt-unicode will	1584	Requests a screen refresh. At the next opportunity, rxvt-unicode will
…		…
952		1587
953	Used after changing terminal contents to display them.	1588	Used after changing terminal contents to display them.
954		1589
955	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])	1590	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
956		1591
957	Returns the text of the entire row with number C<$row_number>. Row C<0>	1592	Returns the text of the entire row with number C<$row_number>. Row C<< $term->top_row >>
958	is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost	1593	is the topmost terminal line, row C<< $term->nrow-1 >> is the bottommost
959	terminal line. The scrollback buffer starts at line C<-1> and extends to
960	line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line	1594	terminal line. Nothing will be returned if a nonexistent line
961	is requested.	1595	is requested.
962		1596
963	If C<$new_text> is specified, it will replace characters in the current	1597	If C<$new_text> is specified, it will replace characters in the current
964	line, starting at column C<$start_col> (default C<0>), which is useful	1598	line, starting at column C<$start_col> (default C<0>), which is useful
965	to replace only parts of a line. The font index in the rendition will	1599	to replace only parts of a line. The font index in the rendition will
966	automatically be updated.	1600	automatically be updated.
967		1601
968	C<$text> is in a special encoding: tabs and wide characters that use more	1602	C<$text> is in a special encoding: tabs and wide characters that use more
969	than one cell when displayed are padded with urxvt::NOCHAR characters	1603	than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
970	(C<chr 65535>). Characters with combining characters and other characters	1604	characters. Characters with combining characters and other characters that
971	that do not fit into the normal tetx encoding will be replaced with	1605	do not fit into the normal text encoding will be replaced with characters
972	characters in the private use area.	1606	in the private use area.
973		1607
974	You have to obey this encoding when changing text. The advantage is	1608	You have to obey this encoding when changing text. The advantage is
975	that C<substr> and similar functions work on screen cells and not on	1609	that C<substr> and similar functions work on screen cells and not on
976	characters.	1610	characters.
977		1611
…		…
1028	Return the row number of the first/last row of the line, respectively.	1662	Return the row number of the first/last row of the line, respectively.
1029		1663
1030	=item $offset = $line->offset_of ($row, $col)	1664	=item $offset = $line->offset_of ($row, $col)
1031		1665
1032	Returns the character offset of the given row|col pair within the logical	1666	Returns the character offset of the given row|col pair within the logical
1033	line.	1667	line. Works for rows outside the line, too, and returns corresponding
		1668	offsets outside the string.
1034		1669
1035	=item ($row, $col) = $line->coord_of ($offset)	1670	=item ($row, $col) = $line->coord_of ($offset)
1036		1671
1037	Translates a string offset into terminal coordinates again.	1672	Translates a string offset into terminal coordinates again.
1038		1673
…		…
1060	}	1695	}
1061		1696
1062	sub urxvt::line::t {	1697	sub urxvt::line::t {
1063	my ($self) = @_;	1698	my ($self) = @_;
1064		1699
1065	if (@_ > 1)	1700	if (@_ > 1) {
1066	{
1067	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1701	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1068	for $self->{beg} .. $self->{end};	1702	for $self->{beg} .. $self->{end};
1069	}	1703	}
1070		1704
1071	defined wantarray &&	1705	defined wantarray &&
1072	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),	1706	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),
1073	0, $self->{len}	1707	0, $self->{len}
1074	}	1708	}
1075		1709
1076	sub urxvt::line::r {	1710	sub urxvt::line::r {
1077	my ($self) = @_;	1711	my ($self) = @_;
1078		1712
1079	if (@_ > 1)	1713	if (@_ > 1) {
1080	{
1081	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1714	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1082	for $self->{beg} .. $self->{end};	1715	for $self->{beg} .. $self->{end};
1083	}	1716	}
1084		1717
1085	if (defined wantarray) {	1718	if (defined wantarray) {
1086	my $rend = [	1719	my $rend = [
1087	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}	1720	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}
1088	];	1721	];
…		…
1120	where one character corresponds to one screen cell. See	1753	where one character corresponds to one screen cell. See
1121	C<< $term->ROW_t >> for details.	1754	C<< $term->ROW_t >> for details.
1122		1755
1123	=item $string = $term->special_decode $text	1756	=item $string = $term->special_decode $text
1124		1757
1125	Converts rxvt-unicodes text reprsentation into a perl string. See	1758	Converts rxvt-unicodes text representation into a perl string. See
1126	C<< $term->ROW_t >> for details.	1759	C<< $term->ROW_t >> for details.
1127		1760
1128	=item $success = $term->grab_button ($button, $modifiermask)	1761	=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
1129		1762
		1763	=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
		1764
1130	Registers a synchronous button grab. See the XGrabButton manpage.	1765	Register/unregister a synchronous button grab. See the XGrabButton
		1766	manpage.
1131		1767
1132	=item $success = $term->grab ($eventtime[, $sync])	1768	=item $success = $term->grab ($eventtime[, $sync])
1133		1769
1134	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or	1770	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1135	synchronous (C<$sync> is true). Also remembers the grab timestampe.	1771	synchronous (C<$sync> is true). Also remembers the grab timestamp.
1136		1772
1137	=item $term->allow_events_async	1773	=item $term->allow_events_async
1138		1774
1139	Calls XAllowEvents with AsyncBoth for the most recent grab.	1775	Calls XAllowEvents with AsyncBoth for the most recent grab.
1140		1776
…		…
1147	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most	1783	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
1148	recent grab.	1784	recent grab.
1149		1785
1150	=item $term->ungrab	1786	=item $term->ungrab
1151		1787
1152	Calls XUngrab for the most recent grab. Is called automatically on	1788	Calls XUngrabPointer and XUngrabKeyboard for the most recent grab. Is called automatically on
1153	evaluation errors, as it is better to lose the grab in the error case as	1789	evaluation errors, as it is better to lose the grab in the error case as
1154	the session.	1790	the session.
		1791
		1792	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
		1793
		1794	=item $atom_name = $term->XGetAtomName ($atom)
		1795
		1796	=item @atoms = $term->XListProperties ($window)
		1797
		1798	=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
		1799
		1800	=item $term->XChangeProperty ($window, $property, $type, $format, $octets)
		1801
		1802	=item $term->XDeleteProperty ($window, $property)
		1803
		1804	=item $window = $term->DefaultRootWindow
		1805
		1806	=item $term->XReparentWindow ($window, $parent, [$x, $y])
		1807
		1808	=item $term->XMapWindow ($window)
		1809
		1810	=item $term->XUnmapWindow ($window)
		1811
		1812	=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
		1813
		1814	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
		1815
		1816	=item $term->XChangeInput ($window, $add_events[, $del_events])
		1817
		1818	=item $keysym = $term->XStringToKeysym ($string)
		1819
		1820	=item $string = $term->XKeysymToString ($keysym)
		1821
		1822	Various X or X-related functions. The C<$term> object only serves as
		1823	the source of the display, otherwise those functions map more-or-less
		1824	directly onto the X functions of the same name.
1155		1825
1156	=back	1826	=back
1157		1827
1158	=cut	1828	=cut
1159		1829
…		…
1174		1844
1175	$item->{render} ||= sub { $_[0]{text} };	1845	$item->{render} ||= sub { $_[0]{text} };
1176		1846
1177	push @{ $self->{item} }, $item;	1847	push @{ $self->{item} }, $item;
1178	}	1848	}
		1849
		1850	=item $popup->add_title ($title)
		1851
		1852	Adds a non-clickable title to the popup.
		1853
		1854	=cut
		1855
		1856	sub add_title {
		1857	my ($self, $title) = @_;
		1858
		1859	$self->add_item ({
		1860	rend => { normal => "\x1b[38;5;11;44m", hover => "\x1b[38;5;11;44m", active => "\x1b[38;5;11;44m" },
		1861	text => $title,
		1862	activate => sub { },
		1863	});
		1864	}
		1865
		1866	=item $popup->add_separator ([$sepchr])
		1867
		1868	Creates a separator, optionally using the character given as C<$sepchr>.
		1869
		1870	=cut
1179		1871
1180	sub add_separator {	1872	sub add_separator {
1181	my ($self, $sep) = @_;	1873	my ($self, $sep) = @_;
1182		1874
1183	$sep ||= "=";	1875	$sep ||= "=";
…		…
1188	render => sub { $sep x $self->{term}->ncol },	1880	render => sub { $sep x $self->{term}->ncol },
1189	activate => sub { },	1881	activate => sub { },
1190	});	1882	});
1191	}	1883	}
1192		1884
1193	sub add_title {	1885	=item $popup->add_button ($text, $cb)
1194	my ($self, $title) = @_;
1195		1886
1196	$self->add_item ({	1887	Adds a clickable button to the popup. C<$cb> is called whenever it is
1197	rend => { normal => "\x1b[38;5;11;44m", hover => "\x1b[38;5;11;44m", active => "\x1b[38;5;11;44m" },	1888	selected.
1198	text => $title,	1889
1199	activate => sub { },	1890	=cut
1200	});
1201	}
1202		1891
1203	sub add_button {	1892	sub add_button {
1204	my ($self, $text, $cb) = @_;	1893	my ($self, $text, $cb) = @_;
1205		1894
1206	$self->add_item ({ type => "button", text => $text, activate => $cb});	1895	$self->add_item ({ type => "button", text => $text, activate => $cb});
1207	}	1896	}
1208		1897
		1898	=item $popup->add_toggle ($text, $initial_value, $cb)
		1899
		1900	Adds a toggle/checkbox item to the popup. The callback gets called
		1901	whenever it gets toggled, with a boolean indicating its new value as its
		1902	first argument.
		1903
		1904	=cut
		1905
1209	sub add_toggle {	1906	sub add_toggle {
1210	my ($self, $text, $cb, $value) = @_;	1907	my ($self, $text, $value, $cb) = @_;
1211		1908
1212	my $item; $item = {	1909	my $item; $item = {
1213	type => "button",	1910	type => "button",
1214	text => " $text",	1911	text => " $text",
1215	value => $value,	1912	value => $value,
1216	render => sub { ($_[0]{value} ? "* " : " ") . $text },	1913	render => sub { ($_[0]{value} ? "* " : " ") . $text },
1217	activate => sub { $cb->($_[0]{value} = !$_[0]{value}); },	1914	activate => sub { $cb->($_[1]{value} = !$_[1]{value}); },
1218	};	1915	};
1219		1916
1220	$self->add_item ($item);	1917	$self->add_item ($item);
1221	}	1918	}
		1919
		1920	=item $popup->show
		1921
		1922	Displays the popup (which is initially hidden).
		1923
		1924	=cut
1222		1925
1223	sub show {	1926	sub show {
1224	my ($self) = @_;	1927	my ($self) = @_;
1225		1928
1226	local $urxvt::popup::self = $self;	1929	local $urxvt::popup::self = $self;
1227		1930
		1931	my $env = $self->{term}->env;
		1932	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
		1933	delete $env->{LC_ALL};
1228	local $ENV{LC_ALL} = $self->{term}->locale;	1934	$env->{LC_CTYPE} = $self->{term}->locale;
1229		1935
1230	urxvt->new ("--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0,	1936	my $term = urxvt::term->new (
		1937	$env, "popup",
		1938	"--perl-lib" => "", "--perl-ext-common" => "",
		1939	"-pty-fd" => -1, "-sl" => 0,
		1940	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1231	"--transient-for" => $self->{term}->parent,	1941	"--transient-for" => $self->{term}->parent,
1232	"-display" => $self->{term}->display_id,	1942	"-display" => $self->{term}->display_id,
1233	"-pe" => "urxvt-popup")	1943	"-pe" => "urxvt-popup",
1234	or die "unable to create popup window\n";	1944	) or die "unable to create popup window\n";
		1945
		1946	unless (delete $term->{urxvt_popup_init_done}) {
		1947	$term->ungrab;
		1948	$term->destroy;
		1949	die "unable to initialise popup window\n";
		1950	}
1235	}	1951	}
1236		1952
1237	sub DESTROY {	1953	sub DESTROY {
1238	my ($self) = @_;	1954	my ($self) = @_;
1239		1955
1240	delete $self->{term}{_destroy}{$self};	1956	delete $self->{term}{_destroy}{$self};
1241	$self->{term}->ungrab;	1957	$self->{term}->ungrab;
1242	}	1958	}
		1959
		1960	=back
		1961
		1962	=cut
		1963
		1964	package urxvt::watcher;
1243		1965
1244	=head2 The C<urxvt::timer> Class	1966	=head2 The C<urxvt::timer> Class
1245		1967
1246	This class implements timer watchers/events. Time is represented as a	1968	This class implements timer watchers/events. Time is represented as a
1247	fractional number of seconds since the epoch. Example:	1969	fractional number of seconds since the epoch. Example:
…		…
1251	->new	1973	->new
1252	->interval (1)	1974	->interval (1)
1253	->cb (sub {	1975	->cb (sub {
1254	$term->{overlay}->set (0, 0,	1976	$term->{overlay}->set (0, 0,
1255	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);	1977	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
1256	});	1978	});
1257		1979
1258	=over 4	1980	=over 4
1259		1981
1260	=item $timer = new urxvt::timer	1982	=item $timer = new urxvt::timer
1261		1983
…		…
1264		1986
1265	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })	1987	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })
1266		1988
1267	Set the callback to be called when the timer triggers.	1989	Set the callback to be called when the timer triggers.
1268		1990
1269	=item $tstamp = $timer->at
1270
1271	Return the time this watcher will fire next.
1272
1273	=item $timer = $timer->set ($tstamp)	1991	=item $timer = $timer->set ($tstamp[, $interval])
1274		1992
1275	Set the time the event is generated to $tstamp.	1993	Set the time the event is generated to $tstamp (and optionally specifies a
		1994	new $interval).
1276		1995
1277	=item $timer = $timer->interval ($interval)	1996	=item $timer = $timer->interval ($interval)
1278		1997
1279	Normally (and when C<$interval> is C<0>), the timer will automatically	1998	By default (and when C<$interval> is C<0>), the timer will automatically
1280	stop after it has fired once. If C<$interval> is non-zero, then the timer	1999	stop after it has fired once. If C<$interval> is non-zero, then the timer
1281	is automatically rescheduled at the given intervals.	2000	is automatically rescheduled at the given intervals.
1282		2001
1283	=item $timer = $timer->start	2002	=item $timer = $timer->start
1284		2003
1285	Start the timer.	2004	Start the timer.
1286		2005
1287	=item $timer = $timer->start ($tstamp)	2006	=item $timer = $timer->start ($tstamp[, $interval])
1288		2007
1289	Set the event trigger time to C<$tstamp> and start the timer.	2008	Set the event trigger time to C<$tstamp> and start the timer. Optionally
		2009	also replaces the interval.
		2010
		2011	=item $timer = $timer->after ($delay[, $interval])
		2012
		2013	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1290		2014
1291	=item $timer = $timer->stop	2015	=item $timer = $timer->stop
1292		2016
1293	Stop the timer.	2017	Stop the timer.
1294		2018
…		…
1300		2024
1301	$term->{socket} = ...	2025	$term->{socket} = ...
1302	$term->{iow} = urxvt::iow	2026	$term->{iow} = urxvt::iow
1303	->new	2027	->new
1304	->fd (fileno $term->{socket})	2028	->fd (fileno $term->{socket})
1305	->events (1) # wait for read data	2029	->events (urxvt::EV_READ)
1306	->start	2030	->start
1307	->cb (sub {	2031	->cb (sub {
1308	my ($iow, $revents) = @_;	2032	my ($iow, $revents) = @_;
1309	# $revents must be 1 here, no need to check	2033	# $revents must be 1 here, no need to check
1310	sysread $term->{socket}, my $buf, 8192	2034	sysread $term->{socket}, my $buf, 8192
…		…
1323	Set the callback to be called when io events are triggered. C<$reventmask>	2047	Set the callback to be called when io events are triggered. C<$reventmask>
1324	is a bitset as described in the C<events> method.	2048	is a bitset as described in the C<events> method.
1325		2049
1326	=item $iow = $iow->fd ($fd)	2050	=item $iow = $iow->fd ($fd)
1327		2051
1328	Set the filedescriptor (not handle) to watch.	2052	Set the file descriptor (not handle) to watch.
1329		2053
1330	=item $iow = $iow->events ($eventmask)	2054	=item $iow = $iow->events ($eventmask)
1331		2055
1332	Set the event mask to watch. Bit #0 (value C<1>) enables watching for read	2056	Set the event mask to watch. The only allowed values are
1333	data, Bit #1 (value C<2>) enables watching for write data.	2057	C<urxvt::EV_READ> and C<urxvt::EV_WRITE>, which might be ORed
		2058	together, or C<urxvt::EV_NONE>.
1334		2059
1335	=item $iow = $iow->start	2060	=item $iow = $iow->start
1336		2061
1337	Start watching for requested events on the given handle.	2062	Start watching for requested events on the given handle.
1338		2063
1339	=item $iow = $iow->stop	2064	=item $iow = $iow->stop
1340		2065
1341	Stop watching for events on the given filehandle.	2066	Stop watching for events on the given file handle.
		2067
		2068	=back
		2069
		2070	=head2 The C<urxvt::iw> Class
		2071
		2072	This class implements idle watchers, that get called automatically when
		2073	the process is idle. They should return as fast as possible, after doing
		2074	some useful work.
		2075
		2076	=over 4
		2077
		2078	=item $iw = new urxvt::iw
		2079
		2080	Create a new idle watcher object in stopped state.
		2081
		2082	=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
		2083
		2084	Set the callback to be called when the watcher triggers.
		2085
		2086	=item $timer = $timer->start
		2087
		2088	Start the watcher.
		2089
		2090	=item $timer = $timer->stop
		2091
		2092	Stop the watcher.
		2093
		2094	=back
		2095
		2096	=head2 The C<urxvt::pw> Class
		2097
		2098	This class implements process watchers. They create an event whenever a
		2099	process exits, after which they stop automatically.
		2100
		2101	my $pid = fork;
		2102	...
		2103	$term->{pw} = urxvt::pw
		2104	->new
		2105	->start ($pid)
		2106	->cb (sub {
		2107	my ($pw, $exit_status) = @_;
		2108	...
		2109	});
		2110
		2111	=over 4
		2112
		2113	=item $pw = new urxvt::pw
		2114
		2115	Create a new process watcher in stopped state.
		2116
		2117	=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
		2118
		2119	Set the callback to be called when the timer triggers.
		2120
		2121	=item $pw = $timer->start ($pid)
		2122
		2123	Tells the watcher to start watching for process C<$pid>.
		2124
		2125	=item $pw = $pw->stop
		2126
		2127	Stop the watcher.
1342		2128
1343	=back	2129	=back
1344		2130
1345	=head1 ENVIRONMENT	2131	=head1 ENVIRONMENT
1346		2132
…		…
1353		2139
1354	=item == 0 - fatal messages	2140	=item == 0 - fatal messages
1355		2141
1356	=item >= 3 - script loading and management	2142	=item >= 3 - script loading and management
1357		2143
1358	=item >=10 - all events received	2144	=item >=10 - all called hooks
		2145
		2146	=item >=11 - hook return values
1359		2147
1360	=back	2148	=back
1361		2149
1362	=head1 AUTHOR	2150	=head1 AUTHOR
1363		2151
1364	Marc Lehmann <pcg@goof.com>	2152	Marc Lehmann <schmorp@schmorp.de>
1365	http://software.schmorp.de/pkg/rxvt-unicode	2153	http://software.schmorp.de/pkg/rxvt-unicode
1366		2154
1367	=cut	2155	=cut
1368		2156
1369	1	2157	1
		2158
		2159	# vim: sw=3:

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