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Revision 1.80 by root, Thu Jan 12 00:11:59 2006 UTC vs.
Revision 1.238 by root, Sun May 18 18:15:04 2014 UTC

1	=encoding utf8	1	=encoding utf8
2		2
3	=head1 NAME	3	=head1 NAME
4		4
5	@@RXVT_NAME@@perl - rxvt-unicode's embedded perl interpreter	5	urxvtperl - rxvt-unicode's embedded perl interpreter
6		6
7	=head1 SYNOPSIS	7	=head1 SYNOPSIS
8		8
9	# create a file grab_test in $HOME:	9	# create a file grab_test in $HOME:
10		10
11	sub on_sel_grab {	11	sub on_sel_grab {
12	warn "you selected ", $_[0]->selection;	12	warn "you selected ", $_[0]->selection;
13	()	13	()
14	}	14	}
15		15
16	# start a @@RXVT_NAME@@ using it:	16	# start a urxvt using it:
17		17
18	@@RXVT_NAME@@ --perl-lib $HOME -pe grab_test	18	urxvt --perl-lib $HOME -pe grab_test
19		19
20	=head1 DESCRIPTION	20	=head1 DESCRIPTION
21		21
22	Everytime a terminal object gets created, extension scripts specified via	22	Every time a terminal object gets created, extension scripts specified via
23	the C<perl> resource are loaded and associated with it.	23	the C<perl> resource are loaded and associated with it.
24		24
25	Scripts are compiled in a 'use strict' and 'use utf8' environment, and	25	Scripts are compiled in a 'use strict "vars"' and 'use utf8' environment, and
26	thus must be encoded as UTF-8.	26	thus must be encoded as UTF-8.
27		27
28	Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where	28	Each script will only ever be loaded once, even in urxvtd, where
29	scripts will be shared (but not enabled) for all terminals.	29	scripts will be shared (but not enabled) for all terminals.
30		30
		31	You can disable the embedded perl interpreter by setting both "perl-ext"
		32	and "perl-ext-common" resources to the empty string.
		33
31	=head1 PREPACKAGED EXTENSIONS	34	=head1 PREPACKAGED EXTENSIONS
32		35
33	This section describes the extensions delivered with this release. You can	36	A number of extensions are delivered with this release. You can find them
34	find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>.	37	in F<< <libdir>/urxvt/perl/ >>, and the documentation can be viewed using
		38	F<< man urxvt-<EXTENSIONNAME> >>.
35		39
36	You can activate them like this:	40	You can activate them like this:
37		41
38	@@RXVT_NAME@@ -pe <extensionname>	42	urxvt -pe <extensionname>
39		43
40	=over 4	44	Or by adding them to the resource for extensions loaded by default:
41		45
42	=item selection (enabled by default)	46	URxvt.perl-ext-common: default,selection-autotransform
43		47
44	(More) intelligent selection. This extension tries to be more intelligent	48	Extensions that add command line parameters or resources on their own are
45	when the user extends selections (double-click). Right now, it tries to	49	loaded automatically when used.
46	select urls and complete shell-quoted arguments, which is very convenient,
47	too, if your F<ls> supports C<--quoting-style=shell>.
48
49	It also offers the following bindable keyboard command:
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 (such as uri unescaping, perl
70	evalution, web-browser starting etc.), depending on content.
71
72	=item searchable-scrollback<hotkey> (enabled by default)
73
74	Adds regex search functionality to the scrollback buffer, triggered
75	by a hotkey (default: C<M-s>). When in search mode, normal terminal
76	input/output is suspended.
77
78	C</> starts an incremental regex search, C<n> searches further, C<p> or
79	C<N> jump to the previous match, C<G> jumps to the bottom and clears the
80	history, C<enter> leaves search mode at the current position and C<escape>
81	returns to the original position.
82
83	=item digital-clock
84
85	Displays a digital clock using the built-in overlay.
86
87	=item mark-urls
88
89	Uses per-line display filtering (C<on_line_update>) to underline urls and
90	make them clickable. When clicked, the program specified in the resource
91	C<urlLauncher> (default C<x-www-browser>) will be started.
92
93	=item block-graphics-to-ascii
94
95	A not very useful example of filtering all text output to the terminal,
96	by replacing all line-drawing characters (U+2500 .. U+259F) by a
97	similar-looking ascii character.
98
99	=item example-refresh-hooks
100
101	Displays a very simple digital clock in the upper right corner of the
102	window. Illustrates overwriting the refresh callbacks to create your own
103	overlays or changes.
104
105	=back
106		50
107	=head1 API DOCUMENTATION	51	=head1 API DOCUMENTATION
108		52
109	=head2 General API Considerations	53	=head2 General API Considerations
110		54
…		…
124		68
125	=over 4	69	=over 4
126		70
127	=item $text	71	=item $text
128		72
129	Rxvt-unicodes special way of encoding text, where one "unicode" character	73	Rxvt-unicode's special way of encoding text, where one "unicode" character
130	always represents one screen cell. See L<ROW_t> for a discussion of this format.	74	always represents one screen cell. See L<ROW_t> for a discussion of this format.
131		75
132	=item $string	76	=item $string
133		77
134	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
…		…
138	=item $octets	82	=item $octets
139		83
140	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
141	locale-specific way.	85	locale-specific way.
142		86
		87	=item $keysym
		88
		89	an integer that is a valid X11 keysym code. You can convert a string
		90	into a keysym and viceversa by using C<XStringToKeysym> and
		91	C<XKeysymToString>.
		92
143	=back	93	=back
144		94
145	=head2 Extension Objects	95	=head2 Extension Objects
146		96
147	Very perl extension is a perl class. A separate perl object is created	97	Every perl extension is a perl class. A separate perl object is created
148	for each terminal and each extension and passed as the first parameter to	98	for each terminal, and each terminal has its own set of extension objects,
149	hooks. So extensions can use their C<$self> object without having to think	99	which are passed as the first parameter to hooks. So extensions can use
150	about other extensions, with the exception of methods and members that	100	their C<$self> object without having to think about clashes with other
		101	extensions or other terminals, with the exception of methods and members
151	begin with an underscore character C<_>: these are reserved for internal	102	that begin with an underscore character C<_>: these are reserved for
152	use.	103	internal use.
153		104
154	Although it isn't a C<urxvt::term> object, you can call all methods of the	105	Although it isn't a C<urxvt::term> object, you can call all methods of the
155	C<urxvt::term> class on this object.	106	C<urxvt::term> class on this object.
156		107
157	It has the following methods and data members:	108	Additional methods only supported for extension objects are described in
158		109	the C<urxvt::extension> section below.
159	=over 4
160
161	=item $urxvt_term = $self->{term}
162
163	Returns the C<urxvt::term> object associated with this instance of the
164	extension. This member I<must not> be changed in any way.
165
166	=item $self->enable ($hook_name => $cb, [$hook_name => $cb..])
167
168	Dynamically enable the given hooks (named without the C<on_> prefix) for
169	this extension, replacing any previous hook. This is useful when you want
170	to overwrite time-critical hooks only temporarily.
171
172	=item $self->disable ($hook_name[, $hook_name..])
173
174	Dynamically disable the given hooks.
175
176	=back
177		110
178	=head2 Hooks	111	=head2 Hooks
179		112
180	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
181	called whenever the relevant event happens.	114	called whenever the relevant event happens.
182		115
183	The first argument passed to them is an extension oject as described in	116	The first argument passed to them is an extension object as described in
184	the in the C<Extension Objects> section.	117	the in the C<Extension Objects> section.
185		118
186	B<All> of these hooks must return a boolean value. If it is true, then the	119	B<All> of these hooks must return a boolean value. If any of the called
187	event counts as being I<consumed>, and the invocation of other hooks is	120	hooks returns true, then the event counts as being I<consumed>, and the
188	skipped, and the relevant action might not be carried out by the C++ code.	121	relevant action might not be carried out by the C++ code.
189		122
190	I<< When in doubt, return a false value (preferably C<()>). >>	123	I<< When in doubt, return a false value (preferably C<()>). >>
191		124
192	=over 4	125	=over 4
193		126
194	=item on_init $term	127	=item on_init $term
195		128
196	Called after a new terminal object has been initialized, but before	129	Called after a new terminal object has been initialized, but before
197	windows are created or the command gets run. Most methods are unsafe to	130	windows are created or the command gets run. Most methods are unsafe to
198	call or deliver senseless data, as terminal size and other characteristics	131	call or deliver senseless data, as terminal size and other characteristics
199	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
200	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).
201		145
202	=item on_reset $term	146	=item on_reset $term
203		147
204	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
205	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
206	variables.	150	variables.
207		151
208	=item on_start $term	152	=item on_child_start $term, $pid
209		153
210	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.
211	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>.
212		160
213	=item on_sel_make $term, $eventtime	161	=item on_sel_make $term, $eventtime
214		162
215	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
216	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
…		…
223		171
224	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
225	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
226	by calling C<< $term->selection >>.	174	by calling C<< $term->selection >>.
227		175
228	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.
229		177
230	=item on_sel_extend $term	178	=item on_sel_extend $term
231		179
232	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
233	click) and is either supposed to return false (normal operation), or	181	click) and is either supposed to return false (normal operation), or
234	should extend the selection itelf and return true to suppress the built-in	182	should extend the selection itself and return true to suppress the built-in
235	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.
236		186
237	See the F<selection> example extension.	187	See the F<selection> example extension.
238		188
239	=item on_view_change $term, $offset	189	=item on_view_change $term, $offset
240		190
241	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
242	scrolls. Offset C<0> means display the normal terminal, positive values	192	scrolls. Offset C<0> means display the normal terminal, positive values
243	show this many lines of scrollback.	193	show this many lines of scrollback.
244		194
245	=item on_scroll_back $term, $lines, $saved	195	=item on_scroll_back $term, $lines, $saved
246		196
…		…
250		200
251	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,	201	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,
252	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total	202	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total
253	number of lines that will be in the scrollback buffer.	203	number of lines that will be in the scrollback buffer.
254		204
255	=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, $resp
256		216
257	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =	217	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
258	operating system command) is processed. Cursor position and other state	218	operating system command) is processed. Cursor position and other state
259	information is up-to-date when this happens. For interoperability, the	219	information is up-to-date when this happens. For interoperability, the
260	string should start with the extension name and a colon, to distinguish	220	string should start with the extension name (sans -osc) and a semicolon,
261	it from commands for other extensions, and this might be enforced in the	221	to distinguish it from commands for other extensions, and this might be
262	future.	222	enforced in the future.
		223
		224	For example, C<overlay-osc> uses this:
		225
		226	sub on_osc_seq_perl {
		227	my ($self, $osc, $resp) = @_;
		228
		229	return unless $osc =~ s/^overlay;//;
		230
		231	... process remaining $osc string
		232	}
263		233
264	Be careful not ever to trust (in a security sense) the data you receive,	234	Be careful not ever to trust (in a security sense) the data you receive,
265	as its source can not easily be controleld (e-mail content, messages from	235	as its source can not easily be controlled (e-mail content, messages from
266	other users on the same system etc.).	236	other users on the same system etc.).
		237
		238	For responses, C<$resp> contains the end-of-args separator used by the
		239	sender.
267		240
268	=item on_add_lines $term, $string	241	=item on_add_lines $term, $string
269		242
270	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
271	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
…		…
276	=item on_tt_write $term, $octets	249	=item on_tt_write $term, $octets
277		250
278	Called whenever some data is written to the tty/pty and can be used to	251	Called whenever some data is written to the tty/pty and can be used to
279	suppress or filter tty input.	252	suppress or filter tty input.
280		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
281	=item on_line_update $term, $row	261	=item on_line_update $term, $row
282		262
283	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
284	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
285	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,
…		…
292	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
293	you cannot just toggle rendition bits, but only set them.	273	you cannot just toggle rendition bits, but only set them.
294		274
295	=item on_refresh_begin $term	275	=item on_refresh_begin $term
296		276
297	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
298	or similar effects by modify terminal contents in refresh_begin, and	278	similar effects by modifying the terminal contents in refresh_begin, and
299	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
300	code is run after this hook, and takes precedence.	280	code is run after this hook, and takes precedence.
301		281
302	=item on_refresh_end $term	282	=item on_refresh_end $term
303		283
304	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>.
305		285
306	=item on_keyboard_command $term, $string	286	=item on_user_command $term, $string *DEPRECATED*
307		287
308	Called whenever the user presses a key combination that has a	288	Called whenever a user-configured event is being activated (e.g. via
309	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>
310	resource in the @@RXVT_NAME@@(1) manpage).	290	resource in the urxvt(1) manpage).
		291
		292	The event is simply the action string. This interface is going away in
		293	preference to the C<on_action> hook.
		294
		295	=item on_resize_all_windows $term, $new_width, $new_height
		296
		297	Called just after the new window size has been calculated, but before
		298	windows are actually being resized or hints are being set. If this hook
		299	returns a true value, setting of the window hints is being skipped.
		300
		301	=item on_x_event $term, $event
		302
		303	Called on every X event received on the vt window (and possibly other
		304	windows). Should only be used as a last resort. Most event structure
		305	members are not passed.
		306
		307	=item on_root_event $term, $event
		308
		309	Like C<on_x_event>, but is called for events on the root window.
311		310
312	=item on_focus_in $term	311	=item on_focus_in $term
313		312
314	Called whenever the window gets the keyboard focus, before rxvt-unicode	313	Called whenever the window gets the keyboard focus, before rxvt-unicode
315	does focus in processing.	314	does focus in processing.
316		315
317	=item on_focus_out $term	316	=item on_focus_out $term
318		317
319	Called wheneever the window loses keyboard focus, before rxvt-unicode does	318	Called whenever the window loses keyboard focus, before rxvt-unicode does
320	focus out processing.	319	focus out processing.
321		320
		321	=item on_configure_notify $term, $event
		322
		323	=item on_property_notify $term, $event
		324
322	=item on_key_press $term, $event, $keysym, $octets	325	=item on_key_press $term, $event, $keysym, $octets
323		326
324	=item on_key_release $term, $event, $keysym	327	=item on_key_release $term, $event, $keysym
325		328
326	=item on_button_press $term, $event	329	=item on_button_press $term, $event
…		…
331		334
332	=item on_map_notify $term, $event	335	=item on_map_notify $term, $event
333		336
334	=item on_unmap_notify $term, $event	337	=item on_unmap_notify $term, $event
335		338
336	Called whenever the corresponding X event is received for the terminal If	339	Called whenever the corresponding X event is received for the terminal. If
337	the hook returns true, then the even will be ignored by rxvt-unicode.	340	the hook returns true, then the event will be ignored by rxvt-unicode.
338		341
339	The event is a hash with most values as named by Xlib (see the XEvent	342	The event is a hash with most values as named by Xlib (see the XEvent
340	manpage), with the additional members C<row> and C<col>, which are the row	343	manpage), with the additional members C<row> and C<col>, which are the
341	and column under the mouse cursor.	344	(real, not screen-based) row and column under the mouse cursor.
342		345
343	C<on_key_press> additionally receives the string rxvt-unicode would	346	C<on_key_press> additionally receives the string rxvt-unicode would
344	output, if any, in locale-specific encoding.	347	output, if any, in locale-specific encoding.
345		348
346	subwindow.	349	=item on_client_message $term, $event
		350
		351	=item on_wm_protocols $term, $event
		352
		353	=item on_wm_delete_window $term, $event
		354
		355	Called when various types of ClientMessage events are received (all with
		356	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
		357
		358	=item on_bell $term
		359
		360	Called on receipt of a bell character.
347		361
348	=back	362	=back
349		363
350	=cut	364	=cut
351		365
352	package urxvt;	366	package urxvt;
353		367
354	use utf8;	368	use utf8;
355	use strict;	369	use strict 'vars';
356	use Carp ();	370	use Carp ();
357	use Scalar::Util ();	371	use Scalar::Util ();
358	use List::Util ();	372	use List::Util ();
359		373
360	our $VERSION = 1;	374	our $VERSION = 1;
361	our $TERM;	375	our $TERM;
		376	our @TERM_INIT; # should go, prevents async I/O etc.
		377	our @TERM_EXT; # should go, prevents async I/O etc.
362	our @HOOKNAME;	378	our @HOOKNAME;
363	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;	379	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
364	our %OPTION;	380	our %OPTION;
365		381
366	our $LIBDIR;	382	our $LIBDIR;
367	our $RESNAME;	383	our $RESNAME;
368	our $RESCLASS;	384	our $RESCLASS;
369	our $RXVTNAME;	385	our $RXVTNAME;
370		386
		387	our $NOCHAR = chr 0xffff;
		388
371	=head2 Variables in the C<urxvt> Package	389	=head2 Variables in the C<urxvt> Package
372		390
373	=over 4	391	=over 4
374		392
375	=item $urxvt::LIBDIR	393	=item $urxvt::LIBDIR
…		…
388	=item $urxvt::TERM	406	=item $urxvt::TERM
389		407
390	The current terminal. This variable stores the current C<urxvt::term>	408	The current terminal. This variable stores the current C<urxvt::term>
391	object, whenever a callback/hook is executing.	409	object, whenever a callback/hook is executing.
392		410
		411	=item @urxvt::TERM_INIT
		412
		413	All code references in this array will be called as methods of the next newly
		414	created C<urxvt::term> object (during the C<on_init> phase). The array
		415	gets cleared before the code references that were in it are being executed,
		416	so references can push themselves onto it again if they so desire.
		417
		418	This complements to the perl-eval command line option, but gets executed
		419	first.
		420
		421	=item @urxvt::TERM_EXT
		422
		423	Works similar to C<@TERM_INIT>, but contains perl package/class names, which
		424	get registered as normal extensions after calling the hooks in C<@TERM_INIT>
		425	but before other extensions. Gets cleared just like C<@TERM_INIT>.
		426
393	=back	427	=back
394		428
395	=head2 Functions in the C<urxvt> Package	429	=head2 Functions in the C<urxvt> Package
396		430
397	=over 4	431	=over 4
398		432
399	=item urxvt::fatal $errormessage	433	=item urxvt::fatal $errormessage
400		434
401	Fatally aborts execution with the given error message. Avoid at all	435	Fatally aborts execution with the given error message (which should
402	costs! The only time this is acceptable is when the terminal process	436	include a trailing newline). Avoid at all costs! The only time this
403	starts up.	437	is acceptable (and useful) is in the init hook, where it prevents the
		438	terminal from starting up.
404		439
405	=item urxvt::warn $string	440	=item urxvt::warn $string
406		441
407	Calls C<rxvt_warn> with the given string which should not include a	442	Calls C<rxvt_warn> with the given string which should include a trailing
408	newline. The module also overwrites the C<warn> builtin with a function	443	newline. The module also overwrites the C<warn> builtin with a function
409	that calls this function.	444	that calls this function.
410		445
411	Using this function has the advantage that its output ends up in the	446	Using this function has the advantage that its output ends up in the
412	correct place, e.g. on stderr of the connecting urxvtc client.	447	correct place, e.g. on stderr of the connecting urxvtc client.
413		448
414	Messages have a size limit of 1023 bytes currently.	449	Messages have a size limit of 1023 bytes currently.
415		450
416	=item $is_safe = urxvt::safe	451	=item @terms = urxvt::termlist
417		452
418	Returns true when it is safe to do potentially unsafe things, such as	453	Returns all urxvt::term objects that exist in this process, regardless of
419	evaluating perl code specified by the user. This is true when urxvt was	454	whether they are started, being destroyed etc., so be careful. Only term
420	started setuid or setgid.	455	objects that have perl extensions attached will be returned (because there
		456	is no urxvt::term object associated with others).
421		457
422	=item $time = urxvt::NOW	458	=item $time = urxvt::NOW
423		459
424	Returns the "current time" (as per the event loop).	460	Returns the "current time" (as per the event loop).
425		461
426	=item urxvt::CurrentTime	462	=item urxvt::CurrentTime
427		463
428	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,	464	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
429	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,	465	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
430	Button4Mask, Button5Mask, AnyModifier	466	Button4Mask, Button5Mask, AnyModifier
		467
		468	=item urxvt::NoEventMask, KeyPressMask, KeyReleaseMask,
		469	ButtonPressMask, ButtonReleaseMask, EnterWindowMask, LeaveWindowMask,
		470	PointerMotionMask, PointerMotionHintMask, Button1MotionMask, Button2MotionMask,
		471	Button3MotionMask, Button4MotionMask, Button5MotionMask, ButtonMotionMask,
		472	KeymapStateMask, ExposureMask, VisibilityChangeMask, StructureNotifyMask,
		473	ResizeRedirectMask, SubstructureNotifyMask, SubstructureRedirectMask,
		474	FocusChangeMask, PropertyChangeMask, ColormapChangeMask, OwnerGrabButtonMask
		475
		476	=item urxvt::KeyPress, KeyRelease, ButtonPress, ButtonRelease, MotionNotify,
		477	EnterNotify, LeaveNotify, FocusIn, FocusOut, KeymapNotify, Expose,
		478	GraphicsExpose, NoExpose, VisibilityNotify, CreateNotify, DestroyNotify,
		479	UnmapNotify, MapNotify, MapRequest, ReparentNotify, ConfigureNotify,
		480	ConfigureRequest, GravityNotify, ResizeRequest, CirculateNotify,
		481	CirculateRequest, PropertyNotify, SelectionClear, SelectionRequest,
		482	SelectionNotify, ColormapNotify, ClientMessage, MappingNotify
431		483
432	Various constants for use in X calls and event processing.	484	Various constants for use in X calls and event processing.
433		485
434	=back	486	=back
435		487
…		…
452		504
453	=item $rend = urxvt::OVERLAY_RSTYLE	505	=item $rend = urxvt::OVERLAY_RSTYLE
454		506
455	Return the rendition mask used for overlays by default.	507	Return the rendition mask used for overlays by default.
456		508
457	=item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline	509	=item $rendbit = urxvt::RS_Bold, urxvt::RS_Italic, urxvt::RS_Blink,
		510	urxvt::RS_RVid, urxvt::RS_Uline
458		511
459	Return the bit that enabled bold, italic, blink, reverse-video and	512	Return the bit that enabled bold, italic, blink, reverse-video and
460	underline, respectively. To enable such a style, just logically OR it into	513	underline, respectively. To enable such a style, just logically OR it into
461	the bitset.	514	the bitset.
462		515
…		…
468		521
469	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour	522	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour
470		523
471	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour	524	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour
472		525
		526	=item $rend = urxvt::SET_COLOR $rend, $new_fg, $new_bg
		527
473	Replace the foreground/background colour in the rendition mask with the	528	Replace the foreground/background colour in the rendition mask with the
474	specified one.	529	specified one.
475		530
476	=item $value = urxvt::GET_CUSTOM $rend	531	=item $value = urxvt::GET_CUSTOM $rend
477		532
…		…
486	=back	541	=back
487		542
488	=cut	543	=cut
489		544
490	BEGIN {	545	BEGIN {
491	urxvt->bootstrap;
492
493	# overwrite perl's warn	546	# overwrite perl's warn
494	*CORE::GLOBAL::warn = sub {	547	*CORE::GLOBAL::warn = sub {
495	my $msg = join "", @_;	548	my $msg = join "", @_;
496	$msg .= "\n"	549	$msg .= "\n"
497	unless $msg =~ /\n$/;	550	unless $msg =~ /\n$/;
498	urxvt::warn ($msg);	551	urxvt::warn ($msg);
499	};	552	};
500
501	# delete $ENV{IFS};
502	# delete $ENV{CDPATH};
503	# delete $ENV{BASH_ENV};
504	# $ENV{PATH} = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin:/opt/sbin";
505	}	553	}
506		554
507	my @hook_count;	555	no warnings 'utf8';
		556
		557	sub parse_resource {
		558	my ($term, $name, $isarg, $longopt, $flag, $value) = @_;
		559
		560	$name =~ y/-/./ if $isarg;
		561
		562	$term->scan_extensions;
		563
		564	my $r = $term->{meta}{resource};
		565	keys %$r; # reset iterator
		566	while (my ($pattern, $v) = each %$r) {
		567	if (
		568	$pattern =~ /\.$/
		569	? $pattern eq substr $name, 0, length $pattern
		570	: $pattern eq $name
		571	) {
		572	$name = "$urxvt::RESCLASS.$name";
		573
		574	push @{ $term->{perl_ext_3} }, $v->[0];
		575
		576	if ($v->[1] eq "boolean") {
		577	$term->put_option_db ($name, $flag ? "true" : "false");
		578	return 1;
		579	} else {
		580	$term->put_option_db ($name, $value);
		581	return 1 + 2;
		582	}
		583	}
		584	}
		585
		586	0
		587	}
		588
		589	sub usage {
		590	my ($term, $usage_type) = @_;
		591
		592	$term->scan_extensions;
		593
		594	my $r = $term->{meta}{resource};
		595
		596	for my $pattern (sort keys %$r) {
		597	my ($ext, $type, $desc) = @{ $r->{$pattern} };
		598
		599	$desc .= " (-pe $ext)";
		600
		601	if ($usage_type == 1) {
		602	$pattern =~ y/./-/;
		603	$pattern =~ s/-$/-.../g;
		604
		605	if ($type eq "boolean") {
		606	urxvt::log sprintf " -%-30s %s\n", "/+$pattern", $desc;
		607	} else {
		608	urxvt::log sprintf " -%-30s %s\n", "$pattern $type", $desc;
		609	}
		610	} else {
		611	$pattern =~ s/\.$/.*/g;
		612	urxvt::log sprintf " %-31s %s\n", "$pattern:", $type;
		613	}
		614	}
		615	}
		616
508	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};	617	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
509		618
510	sub verbose {	619	sub verbose {
511	my ($level, $msg) = @_;	620	my ($level, $msg) = @_;
512	warn "$msg\n" if $level <= $verbosity;	621	warn "$msg\n" if $level <= $verbosity;
513	}	622	}
514		623
515	my $extension_pkg = "extension0000";
516	my %extension_pkg;	624	my %extension_pkg;
517		625
518	# load a single script into its own package, once only	626	# load a single script into its own package, once only
519	sub extension_package($) {	627	sub extension_package($) {
520	my ($path) = @_;	628	my ($path) = @_;
521		629
522	$extension_pkg{$path} ||= do {	630	$extension_pkg{$path} ||= do {
523	my $pkg = "urxvt::" . ($extension_pkg++);	631	$path =~ /([^\/\\]+)$/;
		632	my $pkg = $1;
		633	$pkg =~ s/[^[:word:]]/_/g;
		634	$pkg = "urxvt::ext::$pkg";
524		635
525	verbose 3, "loading extension '$path' into package '$pkg'";	636	verbose 3, "loading extension '$path' into package '$pkg'";
		637
		638	(${"$pkg\::_NAME"} = $path) =~ s/^.*[\\\/]//; # hackish
526		639
527	open my $fh, "<:raw", $path	640	open my $fh, "<:raw", $path
528	or die "$path: $!";	641	or die "$path: $!";
529		642
530	my $source = untaint	643	my $source =
531	"package $pkg; use strict; use utf8;\n"	644	"package $pkg; use strict 'vars'; use utf8; no warnings 'utf8';\n"
532	. "use base urxvt::term::extension::;\n"
533	. "#line 1 \"$path\"\n{\n"	645	. "#line 1 \"$path\"\n{\n"
534	. (do { local $/; <$fh> })	646	. (do { local $/; <$fh> })
535	. "\n};\n1";	647	. "\n};\n1";
536		648
537	eval $source	649	eval $source
…		…
546	# called by the rxvt core	658	# called by the rxvt core
547	sub invoke {	659	sub invoke {
548	local $TERM = shift;	660	local $TERM = shift;
549	my $htype = shift;	661	my $htype = shift;
550		662
551	if ($htype == 0) { # INIT	663	if ($htype == HOOK_INIT) {
552	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");	664	my @dirs = $TERM->perl_libdirs;
553		665
		666	$TERM->scan_extensions;
		667
554	my %ext_arg;	668	my %ext_arg;
555		669
		670	{
		671	my @init = @TERM_INIT;
		672	@TERM_INIT = ();
		673	$_->($TERM) for @init;
		674	my @pkg = @TERM_EXT;
		675	@TERM_EXT = ();
		676	$TERM->register_package ($_) for @pkg;
		677	}
		678
		679	for (
556	for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {	680	grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2
		681	) {
557	if ($_ eq "default") {	682	if ($_ eq "default") {
558	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback);	683
		684	$ext_arg{$_} = []
		685	for
		686	qw(selection option-popup selection-popup readline),
		687	map $_->[0], values %{ $TERM->{meta}{binding} },
		688	@{ delete $TERM->{perl_ext_3} };
		689
		690	for ($TERM->_keysym_resources) {
		691	next if /^(?:string|command|builtin|builtin-string|perl)/;
		692	next unless /^([A-Za-z0-9_\-]+):/;
		693
		694	my $ext = $1;
		695	$ext =~ y/-/_/;
		696
		697	$ext_arg{$ext} = [];
		698	}
		699
559	} elsif (/^-(.*)$/) {	700	} elsif (/^-(.*)$/) {
560	delete $ext_arg{$1};	701	delete $ext_arg{$1};
		702
561	} elsif (/^([^<]+)<(.*)>$/) {	703	} elsif (/^([^<]+)<(.*)>$/) {
562	push @{ $ext_arg{$1} }, $2;	704	push @{ $ext_arg{$1} }, $2;
		705
563	} else {	706	} else {
564	$ext_arg{$_} ||= [];	707	$ext_arg{$_} ||= [];
565	}	708	}
566	}	709	}
567		710
568	while (my ($ext, $argv) = each %ext_arg) {	711	# now register default key bindings
		712	for my $ext (sort keys %ext_arg) {
		713	while (my ($k, $v) = each %{ $TERM->{meta}{ext}{$ext}{binding} }) {
		714	$TERM->bind_action ($k, "$v->[0]:$v->[1]");
		715	}
		716	}
		717
		718	for my $ext (sort keys %ext_arg) {
569	my @files = grep -f $_, map "$_/$ext", @dirs;	719	my @files = grep -f $_, map "$_/$ext", @dirs;
570		720
571	if (@files) {	721	if (@files) {
572	$TERM->register_package (extension_package $files[0], $argv);	722	$TERM->register_package (extension_package $files[0], $ext_arg{$ext});
573	} else {	723	} else {
574	warn "perl extension '$ext' not found in perl library search path\n";	724	warn "perl extension '$ext' not found in perl library search path\n";
575	}	725	}
576	}	726	}
577		727
…		…
583		733
584	if (my $cb = $TERM->{_hook}[$htype]) {	734	if (my $cb = $TERM->{_hook}[$htype]) {
585	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"	735	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
586	if $verbosity >= 10;	736	if $verbosity >= 10;
587		737
588	keys %$cb;	738	if ($htype == HOOK_ACTION) {
		739	# this hook is only sent to the extension with the name
		740	# matching the first arg
		741	my $pkg = shift;
		742	$pkg =~ y/-/_/;
		743	$pkg = "urxvt::ext::$pkg";
589		744
590	while (my ($pkg, $cb) = each %$cb) {	745	$cb = $cb->{$pkg}
		746	or return undef; #TODO: maybe warn user?
		747
		748	$cb = { $pkg => $cb };
		749	}
		750
		751	for my $pkg (keys %$cb) {
591	$retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) }	752	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg} || $TERM, @_) };
592	and last;	753	$retval ||= $retval_;
593		754
594	if ($@) {	755	if ($@) {
595	$TERM->ungrab; # better to lose the grab than the session	756	$TERM->ungrab; # better to lose the grab than the session
596	warn $@;	757	warn $@;
597	}	758	}
598	}	759	}
		760
		761	verbose 11, "$HOOKNAME[$htype] returning <$retval>"
		762	if $verbosity >= 11;
599	}	763	}
600		764
601	if ($htype == 1) { # DESTROY	765	if ($htype == HOOK_DESTROY) {
602	if (my $hook = delete $TERM->{_hook}) {
603	for my $htype (0..$#$hook) {
604	$hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
605	or set_should_invoke $htype, 0;
606	}
607	}
608
609	# clear package objects	766	# clear package objects
610	%$_ = () for values %{ $TERM->{_pkg} };	767	%$_ = () for values %{ $TERM->{_pkg} };
611		768
612	# clear package	769	# clear package
613	%$TERM = ();	770	%$TERM = ();
614	}	771	}
615		772
616	$retval	773	$retval
617	}	774	}
618		775
619	# urxvt::term::extension	776	sub SET_COLOR($$$) {
		777	SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
		778	}
620		779
621	package urxvt::term::extension;	780	sub rend2mask {
622		781	no strict 'refs';
623	sub enable {	782	my ($str, $mask) = (@_, 0);
624	my ($self, %hook) = @_;	783	my %color = ( fg => undef, bg => undef );
625	my $pkg = $self->{_pkg};	784	my @failed;
626		785	for my $spec ( split /\s+/, $str ) {
627	while (my ($name, $cb) = each %hook) {	786	if ( $spec =~ /^([fb]g)[_:-]?(\d+)/i ) {
628	my $htype = $HOOKTYPE{uc $name};	787	$color{lc($1)} = $2;
629	defined $htype	788	} else {
630	or Carp::croak "unsupported hook type '$name'";	789	my $neg = $spec =~ s/^[-^]//;
631		790	unless ( exists &{"RS_$spec"} ) {
632	unless (exists $self->{term}{_hook}[$htype]{$pkg}) {	791	push @failed, $spec;
633	$hook_count[$htype]++	792	next;
634	or urxvt::set_should_invoke $htype, 1;
635	}	793	}
636		794	my $cur = &{"RS_$spec"};
637	$self->{term}{_hook}[$htype]{$pkg} = $cb;	795	if ( $neg ) {
638	}	796	$mask &= ~$cur;
639	}	797	} else {
640		798	$mask |= $cur;
641	sub disable {	799	}
642	my ($self, @hook) = @_;
643	my $pkg = $self->{_pkg};
644
645	for my $name (@hook) {
646	my $htype = $HOOKTYPE{uc $name};
647	defined $htype
648	or Carp::croak "unsupported hook type '$name'";
649
650	if (delete $self->{term}{_hook}[$htype]{$pkg}) {
651	--$hook_count[$htype]
652	or urxvt::set_should_invoke $htype, 0;
653	}	800	}
654	}	801	}
		802	($mask, @color{qw(fg bg)}, \@failed)
655	}	803	}
		804
		805	package urxvt::term::extension;
		806
		807	=head2 The C<urxvt::term::extension> class
		808
		809	Each extension attached to a terminal object is represented by
		810	a C<urxvt::term::extension> object.
		811
		812	You can use these objects, which are passed to all callbacks to store any
		813	state related to the terminal and extension instance.
		814
		815	The methods (And data members) documented below can be called on extension
		816	objects, in addition to call methods documented for the <urxvt::term>
		817	class.
		818
		819	=over 4
		820
		821	=item $urxvt_term = $self->{term}
		822
		823	Returns the C<urxvt::term> object associated with this instance of the
		824	extension. This member I<must not> be changed in any way.
		825
		826	=cut
656		827
657	our $AUTOLOAD;	828	our $AUTOLOAD;
658		829
659	sub AUTOLOAD {	830	sub AUTOLOAD {
660	$AUTOLOAD =~ /:([^:]+)$/	831	$AUTOLOAD =~ /:([^:]+)$/
…		…
673		844
674	sub DESTROY {	845	sub DESTROY {
675	# nop	846	# nop
676	}	847	}
677		848
678	# urxvt::destroy_hook	849	# urxvt::destroy_hook (basically a cheap Guard:: implementation)
679		850
680	sub urxvt::destroy_hook::DESTROY {	851	sub urxvt::destroy_hook::DESTROY {
681	${$_[0]}->();	852	${$_[0]}->();
682	}	853	}
683		854
684	sub urxvt::destroy_hook(&) {	855	sub urxvt::destroy_hook(&) {
685	bless \shift, urxvt::destroy_hook::	856	bless \shift, urxvt::destroy_hook::
686	}	857	}
		858
		859	=item $self->enable ($hook_name => $cb[, $hook_name => $cb..])
		860
		861	Dynamically enable the given hooks (named without the C<on_> prefix) for
		862	this extension, replacing any hook previously installed via C<enable> in
		863	this extension.
		864
		865	This is useful when you want to overwrite time-critical hooks only
		866	temporarily.
		867
		868	To install additional callbacks for the same hook, you can use the C<on>
		869	method of the C<urxvt::term> class.
		870
		871	=item $self->disable ($hook_name[, $hook_name..])
		872
		873	Dynamically disable the given hooks.
		874
		875	=cut
		876
		877	sub enable {
		878	my ($self, %hook) = @_;
		879	my $pkg = $self->{_pkg};
		880
		881	while (my ($name, $cb) = each %hook) {
		882	my $htype = $HOOKTYPE{uc $name};
		883	defined $htype
		884	or Carp::croak "unsupported hook type '$name'";
		885
		886	$self->set_should_invoke ($htype, +1)
		887	unless exists $self->{term}{_hook}[$htype]{$pkg};
		888
		889	$self->{term}{_hook}[$htype]{$pkg} = $cb;
		890	}
		891	}
		892
		893	sub disable {
		894	my ($self, @hook) = @_;
		895	my $pkg = $self->{_pkg};
		896
		897	for my $name (@hook) {
		898	my $htype = $HOOKTYPE{uc $name};
		899	defined $htype
		900	or Carp::croak "unsupported hook type '$name'";
		901
		902	$self->set_should_invoke ($htype, -1)
		903	if delete $self->{term}{_hook}[$htype]{$pkg};
		904	}
		905	}
		906
		907	=item $guard = $self->on ($hook_name => $cb[, $hook_name => $cb..])
		908
		909	Similar to the C<enable> enable, but installs additional callbacks for
		910	the given hook(s) (that is, it doesn't replace existing callbacks), and
		911	returns a guard object. When the guard object is destroyed the callbacks
		912	are disabled again.
		913
		914	=cut
		915
		916	sub urxvt::extension::on_disable::DESTROY {
		917	my $disable = shift;
		918
		919	my $term = delete $disable->{""};
		920
		921	while (my ($htype, $id) = each %$disable) {
		922	delete $term->{_hook}[$htype]{$id};
		923	$term->set_should_invoke ($htype, -1);
		924	}
		925	}
		926
		927	sub on {
		928	my ($self, %hook) = @_;
		929
		930	my $term = $self->{term};
		931
		932	my %disable = ( "" => $term );
		933
		934	while (my ($name, $cb) = each %hook) {
		935	my $htype = $HOOKTYPE{uc $name};
		936	defined $htype
		937	or Carp::croak "unsupported hook type '$name'";
		938
		939	$term->set_should_invoke ($htype, +1);
		940	$term->{_hook}[$htype]{ $disable{$htype} = $cb+0 }
		941	= sub { shift; $cb->($self, @_) }; # very ugly indeed
		942	}
		943
		944	bless \%disable, "urxvt::extension::on_disable"
		945	}
		946
		947	=item $self->x_resource ($pattern)
		948
		949	=item $self->x_resource_boolean ($pattern)
		950
		951	These methods support an additional C<%> prefix when called on an
		952	extension object - see the description of these methods in the
		953	C<urxvt::term> class for details.
		954
		955	=cut
		956
		957	sub x_resource {
		958	my ($self, $name) = @_;
		959	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		960	$self->{term}->x_resource ($name)
		961	}
		962
		963	sub x_resource_boolean {
		964	my ($self, $name) = @_;
		965	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		966	$self->{term}->x_resource_boolean ($name)
		967	}
		968
		969	=back
		970
		971	=cut
687		972
688	package urxvt::anyevent;	973	package urxvt::anyevent;
689		974
690	=head2 The C<urxvt::anyevent> Class	975	=head2 The C<urxvt::anyevent> Class
691		976
692	The sole purpose of this class is to deliver an interface to the	977	The sole purpose of this class is to deliver an interface to the
693	C<AnyEvent> module - any module using it will work inside urxvt without	978	C<AnyEvent> module - any module using it will work inside urxvt without
694	further programming. The only exception is that you cannot wait on	979	further programming. The only exception is that you cannot wait on
695	condition variables, but non-blocking condvar use is ok. What this means	980	condition variables, but non-blocking condvar use is ok.
696	is that you cannot use blocking APIs, but the non-blocking variant should
697	work.
698		981
699	=cut	982	In practical terms this means is that you cannot use blocking APIs, but
		983	the non-blocking variant should work.
700		984
		985	=cut
		986
701	our $VERSION = 1;	987	our $VERSION = '5.23';
702		988
703	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there	989	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
704	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];	990	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
705		991
706	sub timer {	992	sub timer {
…		…
708		994
709	my $cb = $arg{cb};	995	my $cb = $arg{cb};
710		996
711	urxvt::timer	997	urxvt::timer
712	->new	998	->new
713	->start (urxvt::NOW + $arg{after})	999	->after ($arg{after}, $arg{interval})
714	->cb (sub {	1000	->cb ($arg{interval} ? $cb : sub {
715	$_[0]->stop; # need to cancel manually	1001	$_[0]->stop; # need to cancel manually
716	$cb->();	1002	$cb->();
717	})	1003	})
718	}	1004	}
719		1005
720	sub io {	1006	sub io {
721	my ($class, %arg) = @_;	1007	my ($class, %arg) = @_;
722		1008
723	my $cb = $arg{cb};	1009	my $cb = $arg{cb};
		1010	my $fd = fileno $arg{fh};
		1011	defined $fd or $fd = $arg{fh};
724		1012
725	bless [$arg{fh}, urxvt::iow	1013	bless [$arg{fh}, urxvt::iow
726	->new	1014	->new
727	->fd (fileno $arg{fh})	1015	->fd ($fd)
728	->events (($arg{poll} =~ /r/ ? 1 : 0)	1016	->events (($arg{poll} =~ /r/ ? 1 : 0)
729	| ($arg{poll} =~ /w/ ? 2 : 0))	1017	| ($arg{poll} =~ /w/ ? 2 : 0))
730	->start	1018	->start
731	->cb (sub {	1019	->cb ($cb)
732	$cb->(($_[1] & 1 ? 'r' : '')
733	. ($_[1] & 2 ? 'w' : ''));
734	})],
735	urxvt::anyevent::	1020	], urxvt::anyevent::
		1021	}
		1022
		1023	sub idle {
		1024	my ($class, %arg) = @_;
		1025
		1026	my $cb = $arg{cb};
		1027
		1028	urxvt::iw
		1029	->new
		1030	->start
		1031	->cb ($cb)
		1032	}
		1033
		1034	sub child {
		1035	my ($class, %arg) = @_;
		1036
		1037	my $cb = $arg{cb};
		1038
		1039	urxvt::pw
		1040	->new
		1041	->start ($arg{pid})
		1042	->cb (sub {
		1043	$_[0]->stop; # need to cancel manually
		1044	$cb->($_[0]->rpid, $_[0]->rstatus);
		1045	})
736	}	1046	}
737		1047
738	sub DESTROY {	1048	sub DESTROY {
739	$_[0][1]->stop;	1049	$_[0][1]->stop;
740	}	1050	}
741		1051
742	sub condvar {	1052	# only needed for AnyEvent < 6 compatibility
743	bless \my $flag, urxvt::anyevent::condvar::	1053	sub one_event {
744	}
745
746	sub urxvt::anyevent::condvar::broadcast {
747	${$_[0]}++;
748	}
749
750	sub urxvt::anyevent::condvar::wait {
751	unless (${$_[0]}) {
752	Carp::croak "AnyEvent->condvar blocking wait unsupported in urxvt, use a non-blocking API";	1054	Carp::croak "AnyEvent->one_event blocking wait unsupported in urxvt, use a non-blocking API";
753	}
754	}	1055	}
755		1056
756	package urxvt::term;	1057	package urxvt::term;
757		1058
758	=head2 The C<urxvt::term> Class	1059	=head2 The C<urxvt::term> Class
…		…
764	# find on_xxx subs in the package and register them	1065	# find on_xxx subs in the package and register them
765	# as hooks	1066	# as hooks
766	sub register_package {	1067	sub register_package {
767	my ($self, $pkg, $argv) = @_;	1068	my ($self, $pkg, $argv) = @_;
768		1069
		1070	no strict 'refs';
		1071
		1072	urxvt::verbose 6, "register package $pkg to $self";
		1073
		1074	@{"$pkg\::ISA"} = urxvt::term::extension::;
		1075
769	my $proxy = bless {	1076	my $proxy = bless {
770	_pkg => $pkg,	1077	_pkg => $pkg,
		1078	_name => ${"$pkg\::_NAME"}, # hackish
771	argv => $argv,	1079	argv => $argv,
772	}, $pkg;	1080	}, $pkg;
773	Scalar::Util::weaken ($proxy->{term} = $self);	1081	Scalar::Util::weaken ($proxy->{term} = $self);
774		1082
775	$self->{_pkg}{$pkg} = $proxy;	1083	$self->{_pkg}{$pkg} = $proxy;
776		1084
…		…
779	$proxy->enable ($name => $ref);	1087	$proxy->enable ($name => $ref);
780	}	1088	}
781	}	1089	}
782	}	1090	}
783		1091
		1092	sub perl_libdirs {
		1093	map { split /:/ }
		1094	$_[0]->resource ("perl_lib"),
		1095	$ENV{URXVT_PERL_LIB},
		1096	"$ENV{HOME}/.urxvt/ext",
		1097	"$LIBDIR/perl"
		1098	}
		1099
		1100	# scan for available extensions and collect their metadata
		1101	sub scan_extensions {
		1102	my ($self) = @_;
		1103
		1104	return if exists $self->{meta};
		1105
		1106	my @libdirs = perl_libdirs $self;
		1107
		1108	# return if $self->{meta_libdirs} eq join "\x00", @libdirs;#d#
		1109
		1110	# $self->{meta_libdirs} = join "\x00", @libdirs;#d#
		1111	$self->{meta} = \my %meta;
		1112
		1113	# first gather extensions
		1114	for my $dir (reverse @libdirs) {
		1115	opendir my $fh, $dir
		1116	or next;
		1117	for my $ext (readdir $fh) {
		1118	$ext !~ /^\./
		1119	and open my $fh, "<", "$dir/$ext"
		1120	or next;
		1121
		1122	my %ext = (dir => $dir);
		1123
		1124	while (<$fh>) {
		1125	if (/^#:META:(?:X_)?RESOURCE:(.*)/) {
		1126	my ($pattern, $type, $desc) = split /:/, $1;
		1127	$pattern =~ s/^%(\.|$)/$ext$1/g; # % in pattern == extension name
		1128	if ($pattern =~ /[^a-zA-Z0-9\-\.]/) {
		1129	warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n";
		1130	} else {
		1131	$ext{resource}{$pattern} = [$ext, $type, $desc];
		1132	}
		1133	} elsif (/^#:META:BINDING:(.*)/) {
		1134	my ($keysym, $action) = split /:/, $1;
		1135	$ext{binding}{$keysym} = [$ext, $action];
		1136	} elsif (/^\s*(?:#|$)/) {
		1137	# skip other comments and empty lines
		1138	} else {
		1139	last; # stop parsing on first non-empty non-comment line
		1140	}
		1141	}
		1142
		1143	$meta{ext}{$ext} = \%ext;
		1144	}
		1145	}
		1146
		1147	# and now merge resources and bindings
		1148	while (my ($k, $v) = each %{ $meta{ext} }) {
		1149	#TODO: should check for extensions overriding each other
		1150	%{ $meta{resource} } = (%{ $meta{resource} }, %{ $v->{resource} });
		1151	%{ $meta{binding} } = (%{ $meta{binding} }, %{ $v->{binding} });
		1152	}
		1153	}
		1154
784	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]	1155	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
785		1156
786	Creates a new terminal, very similar as if you had started it with system	1157	Creates a new terminal, very similar as if you had started it with system
787	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like	1158	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
788	hash which defines the environment of the new terminal.	1159	hash which defines the environment of the new terminal.
789		1160
790	Croaks (and probably outputs an error message) if the new instance	1161	Croaks (and probably outputs an error message) if the new instance
791	couldn't be created. Returns C<undef> if the new instance didn't	1162	couldn't be created. Returns C<undef> if the new instance didn't
792	initialise perl, and the terminal object otherwise. The C<init> and	1163	initialise perl, and the terminal object otherwise. The C<init> and
793	C<start> hooks will be called during this call.	1164	C<start> hooks will be called before this call returns, and are free to
		1165	refer to global data (which is race free).
794		1166
795	=cut	1167	=cut
796		1168
797	sub new {	1169	sub new {
798	my ($class, $env, @args) = @_;	1170	my ($class, $env, @args) = @_;
799		1171
		1172	$env or Carp::croak "environment hash missing in call to urxvt::term->new";
		1173	@args or Carp::croak "name argument missing in call to urxvt::term->new";
		1174
800	_new ([ map "$_=$env->{$_}", keys %$env ], @args);	1175	_new ([ map "$_=$env->{$_}", keys %$env ], \@args);
801	}	1176	}
802		1177
803	=item $term->destroy	1178	=item $term->destroy
804		1179
805	Destroy the terminal object (close the window, free resources	1180	Destroy the terminal object (close the window, free resources
806	etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event	1181	etc.). Please note that urxvt will not exit as long as any event
807	watchers (timers, io watchers) are still active.	1182	watchers (timers, io watchers) are still active.
		1183
		1184	=item $term->exec_async ($cmd[, @args])
		1185
		1186	Works like the combination of the C<fork>/C<exec> builtins, which executes
		1187	("starts") programs in the background. This function takes care of setting
		1188	the user environment before exec'ing the command (e.g. C<PATH>) and should
		1189	be preferred over explicit calls to C<exec> or C<system>.
		1190
		1191	Returns the pid of the subprocess or C<undef> on error.
		1192
		1193	=cut
		1194
		1195	sub exec_async {
		1196	my $self = shift;
		1197
		1198	my $pid = fork;
		1199
		1200	return $pid
		1201	if !defined $pid or $pid;
		1202
		1203	%ENV = %{ $self->env };
		1204
		1205	exec @_;
		1206	urxvt::_exit 255;
		1207	}
808		1208
809	=item $isset = $term->option ($optval[, $set])	1209	=item $isset = $term->option ($optval[, $set])
810		1210
811	Returns true if the option specified by C<$optval> is enabled, and	1211	Returns true if the option specified by C<$optval> is enabled, and
812	optionally change it. All option values are stored by name in the hash	1212	optionally change it. All option values are stored by name in the hash
813	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.	1213	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
814		1214
815	Here is a a likely non-exhaustive list of option names, please see the	1215	Here is a likely non-exhaustive list of option names, please see the
816	source file F</src/optinc.h> to see the actual list:	1216	source file F</src/optinc.h> to see the actual list:
817		1217
818	borderLess console cursorBlink cursorUnderline hold iconic insecure	1218	borderLess buffered console cursorBlink cursorUnderline hold iconic
819	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage	1219	insecure intensityStyles iso14755 iso14755_52 jumpScroll loginShell
		1220	mapAlert meta8 mouseWheelScrollPage override_redirect pastableTabs
820	pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating	1221	pointerBlank reverseVideo scrollBar scrollBar_floating scrollBar_right
821	scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer	1222	scrollTtyKeypress scrollTtyOutput scrollWithBuffer secondaryScreen
822	secondaryScreen secondaryScroll skipBuiltinGlyphs transparent	1223	secondaryScroll skipBuiltinGlyphs skipScroll transparent tripleclickwords
823	tripleclickwords utmpInhibit visualBell	1224	urgentOnBell utmpInhibit visualBell
824		1225
825	=item $value = $term->resource ($name[, $newval])	1226	=item $value = $term->resource ($name[, $newval])
826		1227
827	Returns the current resource value associated with a given name and	1228	Returns the current resource value associated with a given name and
828	optionally sets a new value. Setting values is most useful in the C<init>	1229	optionally sets a new value. Setting values is most useful in the C<init>
…		…
837	likely change).	1238	likely change).
838		1239
839	Please note that resource strings will currently only be freed when the	1240	Please note that resource strings will currently only be freed when the
840	terminal is destroyed, so changing options frequently will eat memory.	1241	terminal is destroyed, so changing options frequently will eat memory.
841		1242
842	Here is a a likely non-exhaustive list of resource names, not all of which	1243	Here is a likely non-exhaustive list of resource names, not all of which
843	are supported in every build, please see the source file F</src/rsinc.h>	1244	are supported in every build, please see the source file F</src/rsinc.h>
844	to see the actual list:	1245	to see the actual list:
845		1246
846	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont	1247	answerbackstring backgroundPixmap backspace_key blurradius
847	borderLess color cursorBlink cursorUnderline cutchars delete_key	1248	boldFont boldItalicFont borderLess buffered chdir color cursorBlink
848	display_name embed ext_bwidth fade font geometry hold iconName	1249	cursorUnderline cutchars delete_key depth display_name embed ext_bwidth
849	imFont imLocale inputMethod insecure int_bwidth intensityStyles	1250	fade font geometry hold iconName iconfile imFont imLocale inputMethod
		1251	insecure int_bwidth intensityStyles iso14755 iso14755_52 italicFont
850	italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier	1252	jumpScroll letterSpace lineSpace loginShell mapAlert meta8 modifier
851	mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2	1253	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
852	perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd	1254	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
853	reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating	1255	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
854	scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput	1256	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
855	scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle	1257	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
856	shade term_name title transparent transparent_all tripleclickwords	1258	secondaryScreen secondaryScroll shade skipBuiltinGlyphs skipScroll
		1259	term_name title transient_for transparent tripleclickwords urgentOnBell
857	utmpInhibit visualBell	1260	utmpInhibit visualBell
858		1261
859	=cut	1262	=cut
860		1263
861	sub resource($$;$) {	1264	sub resource($$;$) {
862	my ($self, $name) = (shift, shift);	1265	my ($self, $name) = (shift, shift);
863	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);	1266	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
864	&urxvt::term::_resource	1267	goto &urxvt::term::_resource
865	}	1268	}
866		1269
867	=item $value = $term->x_resource ($pattern)	1270	=item $value = $term->x_resource ($pattern)
868		1271
869	Returns the X-Resource for the given pattern, excluding the program or	1272	Returns the X-Resource for the given pattern, excluding the program or
870	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the	1273	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
871	same value as used by this instance of rxvt-unicode. Returns C<undef> if no	1274	same value as used by this instance of rxvt-unicode. Returns C<undef> if no
872	resource with that pattern exists.	1275	resource with that pattern exists.
873		1276
		1277	Extensions that define extra resource or command line arguments also need
		1278	to call this method to access their values.
		1279
		1280	If the method is called on an extension object (basically, from an
		1281	extension), then the special prefix C<%.> will be replaced by the name of
		1282	the extension and a dot, and the lone string C<%> will be replaced by the
		1283	extension name itself. This makes it possible to code extensions so you
		1284	can rename them and get a new set of commandline switches and resources
		1285	without having to change the actual code.
		1286
874	This method should only be called during the C<on_start> hook, as there is	1287	This method should only be called during the C<on_start> hook, as there is
875	only one resource database per display, and later invocations might return	1288	only one resource database per display, and later invocations might return
876	the wrong resources.	1289	the wrong resources.
877		1290
878	=item $success = $term->parse_keysym ($keysym_spec, $command_string)	1291	=item $value = $term->x_resource_boolean ($pattern)
879		1292
		1293	Like C<x_resource>, above, but interprets the string value as a boolean
		1294	and returns C<1> for true values, C<0> for false values and C<undef> if
		1295	the resource or option isn't specified.
		1296
		1297	You should always use this method to parse boolean resources.
		1298
		1299	=cut
		1300
		1301	sub x_resource_boolean {
		1302	my $res = &x_resource;
		1303
		1304	$res =~ /^\s*(?:true|yes|on|1)\s*$/i ? 1 : defined $res && 0
		1305	}
		1306
		1307	=item $success = $term->bind_action ($key, $octets)
		1308
880	Adds a keymap translation exactly as specified via a resource. See the	1309	Adds a key binding exactly as specified via a C<keysym> resource. See the
881	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.	1310	C<keysym> resource in the urxvt(1) manpage.
882		1311
883	=item $rend = $term->rstyle ([$new_rstyle])	1312	=item $rend = $term->rstyle ([$new_rstyle])
884		1313
885	Return and optionally change the current rendition. Text that is output by	1314	Return and optionally change the current rendition. Text that is output by
886	the terminal application will use this style.	1315	the terminal application will use this style.
…		…
894		1323
895	=item ($row, $col) = $term->selection_beg ([$row, $col])	1324	=item ($row, $col) = $term->selection_beg ([$row, $col])
896		1325
897	=item ($row, $col) = $term->selection_end ([$row, $col])	1326	=item ($row, $col) = $term->selection_end ([$row, $col])
898		1327
899	Return the current values of the selection mark, begin or end positions,	1328	Return the current values of the selection mark, begin or end positions.
900	and optionally set them to new values.
901		1329
		1330	When arguments are given, then the selection coordinates are set to
		1331	C<$row> and C<$col>, and the selection screen is set to the current
		1332	screen.
		1333
		1334	=item $screen = $term->selection_screen ([$screen])
		1335
		1336	Returns the current selection screen, and then optionally sets it.
		1337
		1338	=item $term->selection_make ($eventtime[, $rectangular])
		1339
		1340	Tries to make a selection as set by C<selection_beg> and
		1341	C<selection_end>. If C<$rectangular> is true (default: false), a
		1342	rectangular selection will be made. This is the preferred function to make
		1343	a selection.
		1344
902	=item $success = $term->selection_grab ($eventtime)	1345	=item $success = $term->selection_grab ($eventtime[, $clipboard])
903		1346
904	Try to request the primary selection from the server (for example, as set	1347	Try to acquire ownership of the primary (clipboard if C<$clipboard> is
905	by the next method).	1348	true) selection from the server. The corresponding text can be set
		1349	with the next method. No visual feedback will be given. This function
		1350	is mostly useful from within C<on_sel_grab> hooks.
906		1351
907	=item $oldtext = $term->selection ([$newtext])	1352	=item $oldtext = $term->selection ([$newtext, $clipboard])
908		1353
909	Return the current selection text and optionally replace it by C<$newtext>.	1354	Return the current selection (clipboard if C<$clipboard> is true) text
		1355	and optionally replace it by C<$newtext>.
		1356
		1357	=item $term->selection_clear ([$clipboard])
		1358
		1359	Revoke ownership of the primary (clipboard if C<$clipboard> is true) selection.
910		1360
911	=item $term->overlay_simple ($x, $y, $text)	1361	=item $term->overlay_simple ($x, $y, $text)
912		1362
913	Create a simple multi-line overlay box. See the next method for details.	1363	Create a simple multi-line overlay box. See the next method for details.
914		1364
…		…
944		1394
945	The methods currently supported on C<urxvt::overlay> objects are:	1395	The methods currently supported on C<urxvt::overlay> objects are:
946		1396
947	=over 4	1397	=over 4
948		1398
949	=item $overlay->set ($x, $y, $text, $rend)	1399	=item $overlay->set ($x, $y, $text[, $rend])
950		1400
951	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts	1401	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts
952	text in rxvt-unicode's special encoding and an array of rendition values	1402	text in rxvt-unicode's special encoding and an array of rendition values
953	at a specific position inside the overlay.	1403	at a specific position inside the overlay.
		1404
		1405	If C<$rend> is missing, then the rendition will not be changed.
954		1406
955	=item $overlay->hide	1407	=item $overlay->hide
956		1408
957	If visible, hide the overlay, but do not destroy it.	1409	If visible, hide the overlay, but do not destroy it.
958		1410
…		…
1003	Convert the given locale-encoded octets into a perl string.	1455	Convert the given locale-encoded octets into a perl string.
1004		1456
1005	=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])	1457	=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])
1006		1458
1007	XORs the rendition values in the given span with the provided value	1459	XORs the rendition values in the given span with the provided value
1008	(default: C<RS_RVid>). Useful in refresh hooks to provide effects similar	1460	(default: C<RS_RVid>), which I<MUST NOT> contain font styles. Useful in
1009	to the selection.	1461	refresh hooks to provide effects similar to the selection.
1010		1462
1011	=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])	1463	=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])
1012		1464
1013	Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing	1465	Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing
1014	whitespace will additionally be xored with the C<$rstyle2>, which defaults	1466	whitespace will additionally be xored with the C<$rstyle2>, which defaults
1015	to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines	1467	to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines
1016	it instead.	1468	it instead. Both styles I<MUST NOT> contain font styles.
1017		1469
1018	=item $term->scr_bell	1470	=item $term->scr_bell
1019		1471
1020	Ring the bell!	1472	Ring the bell!
1021		1473
…		…
1028		1480
1029	Normally its not a good idea to use this function, as programs might be	1481	Normally its not a good idea to use this function, as programs might be
1030	confused by changes in cursor position or scrolling. Its useful inside a	1482	confused by changes in cursor position or scrolling. Its useful inside a
1031	C<on_add_lines> hook, though.	1483	C<on_add_lines> hook, though.
1032		1484
		1485	=item $term->scr_change_screen ($screen)
		1486
		1487	Switch to given screen - 0 primary, 1 secondary.
		1488
1033	=item $term->cmd_parse ($octets)	1489	=item $term->cmd_parse ($octets)
1034		1490
1035	Similar to C<scr_add_lines>, but the argument must be in the	1491	Similar to C<scr_add_lines>, but the argument must be in the
1036	locale-specific encoding of the terminal and can contain command sequences	1492	locale-specific encoding of the terminal and can contain command sequences
1037	(escape codes) that will be interpreted.	1493	(escape codes) that will be interpreted.
1038		1494
1039	=item $term->tt_write ($octets)	1495	=item $term->tt_write ($octets)
1040		1496
1041	Write the octets given in C<$data> to the tty (i.e. as program input). To	1497	Write the octets given in C<$octets> to the tty (i.e. as program input). To
1042	pass characters instead of octets, you should convert your strings first	1498	pass characters instead of octets, you should convert your strings first
1043	to the locale-specific encoding using C<< $term->locale_encode >>.	1499	to the locale-specific encoding using C<< $term->locale_encode >>.
		1500
		1501	=item $term->tt_write_user_input ($octets)
		1502
		1503	Like C<tt_write>, but should be used when writing strings in response to
		1504	the user pressing a key, to invokes the additional actions requested by
		1505	the user for that case (C<tt_write> doesn't do that).
		1506
		1507	The typical use case would be inside C<on_action> hooks.
		1508
		1509	=item $term->tt_paste ($octets)
		1510
		1511	Write the octets given in C<$octets> to the tty as a paste, converting NL to
		1512	CR and bracketing the data with control sequences if bracketed paste mode
		1513	is set.
1044		1514
1045	=item $old_events = $term->pty_ev_events ([$new_events])	1515	=item $old_events = $term->pty_ev_events ([$new_events])
1046		1516
1047	Replaces the event mask of the pty watcher by the given event mask. Can	1517	Replaces the event mask of the pty watcher by the given event mask. Can
1048	be used to suppress input and output handling to the pty/tty. See the	1518	be used to suppress input and output handling to the pty/tty. See the
1049	description of C<< urxvt::timer->events >>. Make sure to always restore	1519	description of C<< urxvt::timer->events >>. Make sure to always restore
1050	the previous value.	1520	the previous value.
1051		1521
		1522	=item $fd = $term->pty_fd
		1523
		1524	Returns the master file descriptor for the pty in use, or C<-1> if no pty
		1525	is used.
		1526
1052	=item $windowid = $term->parent	1527	=item $windowid = $term->parent
1053		1528
1054	Return the window id of the toplevel window.	1529	Return the window id of the toplevel window.
1055		1530
1056	=item $windowid = $term->vt	1531	=item $windowid = $term->vt
1057		1532
1058	Return the window id of the terminal window.	1533	Return the window id of the terminal window.
1059		1534
		1535	=item $term->vt_emask_add ($x_event_mask)
		1536
		1537	Adds the specified events to the vt event mask. Useful e.g. when you want
		1538	to receive pointer events all the times:
		1539
		1540	$term->vt_emask_add (urxvt::PointerMotionMask);
		1541
		1542	=item $term->set_urgency ($set)
		1543
		1544	Enable/disable the urgency hint on the toplevel window.
		1545
		1546	=item $term->focus_in
		1547
		1548	=item $term->focus_out
		1549
		1550	=item $term->key_press ($state, $keycode[, $time])
		1551
		1552	=item $term->key_release ($state, $keycode[, $time])
		1553
		1554	Deliver various fake events to to terminal.
		1555
1060	=item $window_width = $term->width	1556	=item $window_width = $term->width
1061		1557
1062	=item $window_height = $term->height	1558	=item $window_height = $term->height
1063		1559
1064	=item $font_width = $term->fwidth	1560	=item $font_width = $term->fwidth
…		…
1077		1573
1078	=item $max_scrollback = $term->saveLines	1574	=item $max_scrollback = $term->saveLines
1079		1575
1080	=item $nrow_plus_saveLines = $term->total_rows	1576	=item $nrow_plus_saveLines = $term->total_rows
1081		1577
1082	=item $lines_in_scrollback = $term->nsaved	1578	=item $topmost_scrollback_row = $term->top_row
1083		1579
1084	Return various integers describing terminal characteristics.	1580	Return various integers describing terminal characteristics.
1085		1581
1086	=item $x_display = $term->display_id	1582	=item $x_display = $term->display_id
1087		1583
…		…
1094	=item $env = $term->env	1590	=item $env = $term->env
1095		1591
1096	Returns a copy of the environment in effect for the terminal as a hashref	1592	Returns a copy of the environment in effect for the terminal as a hashref
1097	similar to C<\%ENV>.	1593	similar to C<\%ENV>.
1098		1594
		1595	=item @envv = $term->envv
		1596
		1597	Returns the environment as array of strings of the form C<VAR=VALUE>.
		1598
		1599	=item @argv = $term->argv
		1600
		1601	Return the argument vector as this terminal, similar to @ARGV, but
		1602	includes the program name as first element.
		1603
1099	=cut	1604	=cut
1100		1605
1101	sub env {	1606	sub env {
1102	if (my $env = $_[0]->_env) {
1103	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), @$env }	1607	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), $_[0]->envv }
1104	} else {
1105	+{ %ENV }
1106	}
1107	}	1608	}
1108		1609
1109	=item $modifiermask = $term->ModLevel3Mask	1610	=item $modifiermask = $term->ModLevel3Mask
1110		1611
1111	=item $modifiermask = $term->ModMetaMask	1612	=item $modifiermask = $term->ModMetaMask
…		…
1113	=item $modifiermask = $term->ModNumLockMask	1614	=item $modifiermask = $term->ModNumLockMask
1114		1615
1115	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often	1616	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
1116	AltGr), the meta key (often Alt) and the num lock key, if applicable.	1617	AltGr), the meta key (often Alt) and the num lock key, if applicable.
1117		1618
		1619	=item $screen = $term->current_screen
		1620
		1621	Returns the currently displayed screen (0 primary, 1 secondary).
		1622
		1623	=item $cursor_is_hidden = $term->hidden_cursor
		1624
		1625	Returns whether the cursor is currently hidden or not.
		1626
1118	=item $view_start = $term->view_start ([$newvalue])	1627	=item $view_start = $term->view_start ([$newvalue])
1119		1628
1120	Returns the negative row number of the topmost line. Minimum value is	1629	Returns the row number of the topmost displayed line. Maximum value is
1121	C<0>, which displays the normal terminal contents. Larger values scroll	1630	C<0>, which displays the normal terminal contents. Lower values scroll
1122	this many lines into the scrollback buffer.	1631	this many lines into the scrollback buffer.
1123		1632
1124	=item $term->want_refresh	1633	=item $term->want_refresh
1125		1634
1126	Requests a screen refresh. At the next opportunity, rxvt-unicode will	1635	Requests a screen refresh. At the next opportunity, rxvt-unicode will
…		…
1129		1638
1130	Used after changing terminal contents to display them.	1639	Used after changing terminal contents to display them.
1131		1640
1132	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])	1641	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
1133		1642
1134	Returns the text of the entire row with number C<$row_number>. Row C<0>	1643	Returns the text of the entire row with number C<$row_number>. Row C<< $term->top_row >>
1135	is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost	1644	is the topmost terminal line, row C<< $term->nrow-1 >> is the bottommost
1136	terminal line. The scrollback buffer starts at line C<-1> and extends to
1137	line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line	1645	terminal line. Nothing will be returned if a nonexistent line
1138	is requested.	1646	is requested.
1139		1647
1140	If C<$new_text> is specified, it will replace characters in the current	1648	If C<$new_text> is specified, it will replace characters in the current
1141	line, starting at column C<$start_col> (default C<0>), which is useful	1649	line, starting at column C<$start_col> (default C<0>), which is useful
1142	to replace only parts of a line. The font index in the rendition will	1650	to replace only parts of a line. The font index in the rendition will
1143	automatically be updated.	1651	automatically be updated.
1144		1652
1145	C<$text> is in a special encoding: tabs and wide characters that use more	1653	C<$text> is in a special encoding: tabs and wide characters that use more
1146	than one cell when displayed are padded with urxvt::NOCHAR characters	1654	than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
1147	(C<chr 65535>). Characters with combining characters and other characters	1655	characters. Characters with combining characters and other characters that
1148	that do not fit into the normal tetx encoding will be replaced with	1656	do not fit into the normal text encoding will be replaced with characters
1149	characters in the private use area.	1657	in the private use area.
1150		1658
1151	You have to obey this encoding when changing text. The advantage is	1659	You have to obey this encoding when changing text. The advantage is
1152	that C<substr> and similar functions work on screen cells and not on	1660	that C<substr> and similar functions work on screen cells and not on
1153	characters.	1661	characters.
1154		1662
…		…
1205	Return the row number of the first/last row of the line, respectively.	1713	Return the row number of the first/last row of the line, respectively.
1206		1714
1207	=item $offset = $line->offset_of ($row, $col)	1715	=item $offset = $line->offset_of ($row, $col)
1208		1716
1209	Returns the character offset of the given row|col pair within the logical	1717	Returns the character offset of the given row|col pair within the logical
1210	line.	1718	line. Works for rows outside the line, too, and returns corresponding
		1719	offsets outside the string.
1211		1720
1212	=item ($row, $col) = $line->coord_of ($offset)	1721	=item ($row, $col) = $line->coord_of ($offset)
1213		1722
1214	Translates a string offset into terminal coordinates again.	1723	Translates a string offset into terminal coordinates again.
1215		1724
…		…
1237	}	1746	}
1238		1747
1239	sub urxvt::line::t {	1748	sub urxvt::line::t {
1240	my ($self) = @_;	1749	my ($self) = @_;
1241		1750
1242	if (@_ > 1)	1751	if (@_ > 1) {
1243	{
1244	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1752	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1245	for $self->{beg} .. $self->{end};	1753	for $self->{beg} .. $self->{end};
1246	}	1754	}
1247		1755
1248	defined wantarray &&	1756	defined wantarray &&
1249	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),	1757	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),
1250	0, $self->{len}	1758	0, $self->{len}
1251	}	1759	}
1252		1760
1253	sub urxvt::line::r {	1761	sub urxvt::line::r {
1254	my ($self) = @_;	1762	my ($self) = @_;
1255		1763
1256	if (@_ > 1)	1764	if (@_ > 1) {
1257	{
1258	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1765	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1259	for $self->{beg} .. $self->{end};	1766	for $self->{beg} .. $self->{end};
1260	}	1767	}
1261		1768
1262	if (defined wantarray) {	1769	if (defined wantarray) {
1263	my $rend = [	1770	my $rend = [
1264	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}	1771	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}
1265	];	1772	];
…		…
1297	where one character corresponds to one screen cell. See	1804	where one character corresponds to one screen cell. See
1298	C<< $term->ROW_t >> for details.	1805	C<< $term->ROW_t >> for details.
1299		1806
1300	=item $string = $term->special_decode $text	1807	=item $string = $term->special_decode $text
1301		1808
1302	Converts rxvt-unicodes text reprsentation into a perl string. See	1809	Converts rxvt-unicodes text representation into a perl string. See
1303	C<< $term->ROW_t >> for details.	1810	C<< $term->ROW_t >> for details.
1304		1811
1305	=item $success = $term->grab_button ($button, $modifiermask)	1812	=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
1306		1813
		1814	=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
		1815
1307	Registers a synchronous button grab. See the XGrabButton manpage.	1816	Register/unregister a synchronous button grab. See the XGrabButton
		1817	manpage.
1308		1818
1309	=item $success = $term->grab ($eventtime[, $sync])	1819	=item $success = $term->grab ($eventtime[, $sync])
1310		1820
1311	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or	1821	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1312	synchronous (C<$sync> is true). Also remembers the grab timestampe.	1822	synchronous (C<$sync> is true). Also remembers the grab timestamp.
1313		1823
1314	=item $term->allow_events_async	1824	=item $term->allow_events_async
1315		1825
1316	Calls XAllowEvents with AsyncBoth for the most recent grab.	1826	Calls XAllowEvents with AsyncBoth for the most recent grab.
1317		1827
…		…
1324	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most	1834	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
1325	recent grab.	1835	recent grab.
1326		1836
1327	=item $term->ungrab	1837	=item $term->ungrab
1328		1838
1329	Calls XUngrab for the most recent grab. Is called automatically on	1839	Calls XUngrabPointer and XUngrabKeyboard for the most recent grab. Is called automatically on
1330	evaluation errors, as it is better to lose the grab in the error case as	1840	evaluation errors, as it is better to lose the grab in the error case as
1331	the session.	1841	the session.
		1842
		1843	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
		1844
		1845	=item $atom_name = $term->XGetAtomName ($atom)
		1846
		1847	=item @atoms = $term->XListProperties ($window)
		1848
		1849	=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
		1850
		1851	=item $term->XChangeProperty ($window, $property, $type, $format, $octets)
		1852
		1853	=item $term->XDeleteProperty ($window, $property)
		1854
		1855	=item $window = $term->DefaultRootWindow
		1856
		1857	=item $term->XReparentWindow ($window, $parent, [$x, $y])
		1858
		1859	=item $term->XMapWindow ($window)
		1860
		1861	=item $term->XUnmapWindow ($window)
		1862
		1863	=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
		1864
		1865	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
		1866
		1867	=item $term->XChangeInput ($window, $add_events[, $del_events])
		1868
		1869	=item $keysym = $term->XStringToKeysym ($string)
		1870
		1871	=item $string = $term->XKeysymToString ($keysym)
		1872
		1873	Various X or X-related functions. The C<$term> object only serves as
		1874	the source of the display, otherwise those functions map more-or-less
		1875	directly onto the X functions of the same name.
1332		1876
1333	=back	1877	=back
1334		1878
1335	=cut	1879	=cut
1336		1880
…		…
1400	my ($self, $text, $cb) = @_;	1944	my ($self, $text, $cb) = @_;
1401		1945
1402	$self->add_item ({ type => "button", text => $text, activate => $cb});	1946	$self->add_item ({ type => "button", text => $text, activate => $cb});
1403	}	1947	}
1404		1948
1405	=item $popup->add_toggle ($text, $cb, $initial_value)	1949	=item $popup->add_toggle ($text, $initial_value, $cb)
1406		1950
1407	Adds a toggle/checkbox item to the popup. Teh callback gets called	1951	Adds a toggle/checkbox item to the popup. The callback gets called
1408	whenever it gets toggled, with a boolean indicating its value as its first	1952	whenever it gets toggled, with a boolean indicating its new value as its
1409	argument.	1953	first argument.
1410		1954
1411	=cut	1955	=cut
1412		1956
1413	sub add_toggle {	1957	sub add_toggle {
1414	my ($self, $text, $cb, $value) = @_;	1958	my ($self, $text, $value, $cb) = @_;
1415		1959
1416	my $item; $item = {	1960	my $item; $item = {
1417	type => "button",	1961	type => "button",
1418	text => " $text",	1962	text => " $text",
1419	value => $value,	1963	value => $value,
…		…
1438	my $env = $self->{term}->env;	1982	my $env = $self->{term}->env;
1439	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.	1983	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
1440	delete $env->{LC_ALL};	1984	delete $env->{LC_ALL};
1441	$env->{LC_CTYPE} = $self->{term}->locale;	1985	$env->{LC_CTYPE} = $self->{term}->locale;
1442		1986
1443	urxvt::term->new ($env, $self->{term}->resource ("name"),	1987	my $term = urxvt::term->new (
1444	"--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0,	1988	$env, "popup",
		1989	"--perl-lib" => "", "--perl-ext-common" => "",
		1990	"-pty-fd" => -1, "-sl" => 0,
		1991	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1445	"--transient-for" => $self->{term}->parent,	1992	"--transient-for" => $self->{term}->parent,
1446	"-display" => $self->{term}->display_id,	1993	"-display" => $self->{term}->display_id,
1447	"-pe" => "urxvt-popup")	1994	"-pe" => "urxvt-popup",
1448	or die "unable to create popup window\n";	1995	) or die "unable to create popup window\n";
		1996
		1997	unless (delete $term->{urxvt_popup_init_done}) {
		1998	$term->ungrab;
		1999	$term->destroy;
		2000	die "unable to initialise popup window\n";
		2001	}
1449	}	2002	}
1450		2003
1451	sub DESTROY {	2004	sub DESTROY {
1452	my ($self) = @_;	2005	my ($self) = @_;
1453		2006
1454	delete $self->{term}{_destroy}{$self};	2007	delete $self->{term}{_destroy}{$self};
1455	$self->{term}->ungrab;	2008	$self->{term}->ungrab;
1456	}	2009	}
1457		2010
1458	=back	2011	=back
		2012
		2013	=cut
		2014
		2015	package urxvt::watcher;
1459		2016
1460	=head2 The C<urxvt::timer> Class	2017	=head2 The C<urxvt::timer> Class
1461		2018
1462	This class implements timer watchers/events. Time is represented as a	2019	This class implements timer watchers/events. Time is represented as a
1463	fractional number of seconds since the epoch. Example:	2020	fractional number of seconds since the epoch. Example:
…		…
1467	->new	2024	->new
1468	->interval (1)	2025	->interval (1)
1469	->cb (sub {	2026	->cb (sub {
1470	$term->{overlay}->set (0, 0,	2027	$term->{overlay}->set (0, 0,
1471	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);	2028	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
1472	});	2029	});
1473		2030
1474	=over 4	2031	=over 4
1475		2032
1476	=item $timer = new urxvt::timer	2033	=item $timer = new urxvt::timer
1477		2034
…		…
1480		2037
1481	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })	2038	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })
1482		2039
1483	Set the callback to be called when the timer triggers.	2040	Set the callback to be called when the timer triggers.
1484		2041
1485	=item $tstamp = $timer->at
1486
1487	Return the time this watcher will fire next.
1488
1489	=item $timer = $timer->set ($tstamp)	2042	=item $timer = $timer->set ($tstamp[, $interval])
1490		2043
1491	Set the time the event is generated to $tstamp.	2044	Set the time the event is generated to $tstamp (and optionally specifies a
		2045	new $interval).
1492		2046
1493	=item $timer = $timer->interval ($interval)	2047	=item $timer = $timer->interval ($interval)
1494		2048
1495	Normally (and when C<$interval> is C<0>), the timer will automatically	2049	By default (and when C<$interval> is C<0>), the timer will automatically
1496	stop after it has fired once. If C<$interval> is non-zero, then the timer	2050	stop after it has fired once. If C<$interval> is non-zero, then the timer
1497	is automatically rescheduled at the given intervals.	2051	is automatically rescheduled at the given intervals.
1498		2052
1499	=item $timer = $timer->start	2053	=item $timer = $timer->start
1500		2054
1501	Start the timer.	2055	Start the timer.
1502		2056
1503	=item $timer = $timer->start ($tstamp)	2057	=item $timer = $timer->start ($tstamp[, $interval])
1504		2058
1505	Set the event trigger time to C<$tstamp> and start the timer.	2059	Set the event trigger time to C<$tstamp> and start the timer. Optionally
		2060	also replaces the interval.
		2061
		2062	=item $timer = $timer->after ($delay[, $interval])
		2063
		2064	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1506		2065
1507	=item $timer = $timer->stop	2066	=item $timer = $timer->stop
1508		2067
1509	Stop the timer.	2068	Stop the timer.
1510		2069
…		…
1516		2075
1517	$term->{socket} = ...	2076	$term->{socket} = ...
1518	$term->{iow} = urxvt::iow	2077	$term->{iow} = urxvt::iow
1519	->new	2078	->new
1520	->fd (fileno $term->{socket})	2079	->fd (fileno $term->{socket})
1521	->events (urxvt::EVENT_READ)	2080	->events (urxvt::EV_READ)
1522	->start	2081	->start
1523	->cb (sub {	2082	->cb (sub {
1524	my ($iow, $revents) = @_;	2083	my ($iow, $revents) = @_;
1525	# $revents must be 1 here, no need to check	2084	# $revents must be 1 here, no need to check
1526	sysread $term->{socket}, my $buf, 8192	2085	sysread $term->{socket}, my $buf, 8192
…		…
1539	Set the callback to be called when io events are triggered. C<$reventmask>	2098	Set the callback to be called when io events are triggered. C<$reventmask>
1540	is a bitset as described in the C<events> method.	2099	is a bitset as described in the C<events> method.
1541		2100
1542	=item $iow = $iow->fd ($fd)	2101	=item $iow = $iow->fd ($fd)
1543		2102
1544	Set the filedescriptor (not handle) to watch.	2103	Set the file descriptor (not handle) to watch.
1545		2104
1546	=item $iow = $iow->events ($eventmask)	2105	=item $iow = $iow->events ($eventmask)
1547		2106
1548	Set the event mask to watch. The only allowed values are	2107	Set the event mask to watch. The only allowed values are
1549	C<urxvt::EVENT_READ> and C<urxvt::EVENT_WRITE>, which might be ORed	2108	C<urxvt::EV_READ> and C<urxvt::EV_WRITE>, which might be ORed
1550	together, or C<urxvt::EVENT_NONE>.	2109	together, or C<urxvt::EV_NONE>.
1551		2110
1552	=item $iow = $iow->start	2111	=item $iow = $iow->start
1553		2112
1554	Start watching for requested events on the given handle.	2113	Start watching for requested events on the given handle.
1555		2114
1556	=item $iow = $iow->stop	2115	=item $iow = $iow->stop
1557		2116
1558	Stop watching for events on the given filehandle.	2117	Stop watching for events on the given file handle.
		2118
		2119	=back
		2120
		2121	=head2 The C<urxvt::iw> Class
		2122
		2123	This class implements idle watchers, that get called automatically when
		2124	the process is idle. They should return as fast as possible, after doing
		2125	some useful work.
		2126
		2127	=over 4
		2128
		2129	=item $iw = new urxvt::iw
		2130
		2131	Create a new idle watcher object in stopped state.
		2132
		2133	=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
		2134
		2135	Set the callback to be called when the watcher triggers.
		2136
		2137	=item $timer = $timer->start
		2138
		2139	Start the watcher.
		2140
		2141	=item $timer = $timer->stop
		2142
		2143	Stop the watcher.
		2144
		2145	=back
		2146
		2147	=head2 The C<urxvt::pw> Class
		2148
		2149	This class implements process watchers. They create an event whenever a
		2150	process exits, after which they stop automatically.
		2151
		2152	my $pid = fork;
		2153	...
		2154	$term->{pw} = urxvt::pw
		2155	->new
		2156	->start ($pid)
		2157	->cb (sub {
		2158	my ($pw, $exit_status) = @_;
		2159	...
		2160	});
		2161
		2162	=over 4
		2163
		2164	=item $pw = new urxvt::pw
		2165
		2166	Create a new process watcher in stopped state.
		2167
		2168	=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
		2169
		2170	Set the callback to be called when the timer triggers.
		2171
		2172	=item $pw = $timer->start ($pid)
		2173
		2174	Tells the watcher to start watching for process C<$pid>.
		2175
		2176	=item $pw = $pw->stop
		2177
		2178	Stop the watcher.
1559		2179
1560	=back	2180	=back
1561		2181
1562	=head1 ENVIRONMENT	2182	=head1 ENVIRONMENT
1563		2183
…		…
1570		2190
1571	=item == 0 - fatal messages	2191	=item == 0 - fatal messages
1572		2192
1573	=item >= 3 - script loading and management	2193	=item >= 3 - script loading and management
1574		2194
1575	=item >=10 - all events received	2195	=item >=10 - all called hooks
		2196
		2197	=item >=11 - hook return values
1576		2198
1577	=back	2199	=back
1578		2200
1579	=head1 AUTHOR	2201	=head1 AUTHOR
1580		2202
1581	Marc Lehmann <pcg@goof.com>	2203	Marc Lehmann <schmorp@schmorp.de>
1582	http://software.schmorp.de/pkg/rxvt-unicode	2204	http://software.schmorp.de/pkg/rxvt-unicode
1583		2205
1584	=cut	2206	=cut
1585		2207
1586	1	2208	1
		2209
		2210	# vim: sw=3:

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