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Revision 1.76 by root, Tue Jan 10 19:46:28 2006 UTC vs.
Revision 1.242 by sf-exg, Sat Oct 11 20:46:36 2014 UTC

1	=encoding utf8	1	=encoding utf8
2		2
3	=head1 NAME	3	=head1 NAME
4		4
5	@@RXVT_NAME@@perl - rxvt-unicode's embedded perl interpreter	5	urxvtperl - rxvt-unicode's embedded perl interpreter
6		6
7	=head1 SYNOPSIS	7	=head1 SYNOPSIS
8		8
9	# create a file grab_test in $HOME:	9	# create a file grab_test in $HOME:
10		10
11	sub on_sel_grab {	11	sub on_sel_grab {
12	warn "you selected ", $_[0]->selection;	12	warn "you selected ", $_[0]->selection;
13	()	13	()
14	}	14	}
15		15
16	# start a @@RXVT_NAME@@ using it:	16	# start a urxvt using it:
17		17
18	@@RXVT_NAME@@ --perl-lib $HOME -pe grab_test	18	urxvt --perl-lib $HOME -pe grab_test
19		19
20	=head1 DESCRIPTION	20	=head1 DESCRIPTION
21		21
22	Everytime a terminal object gets created, extension scripts specified via	22	Every time a terminal object gets created, extension scripts specified via
23	the C<perl> resource are loaded and associated with it.	23	the C<perl> resource are loaded and associated with it.
24		24
25	Scripts are compiled in a 'use strict' and 'use utf8' environment, and	25	Scripts are compiled in a 'use strict "vars"' and 'use utf8' environment, and
26	thus must be encoded as UTF-8.	26	thus must be encoded as UTF-8.
27		27
28	Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where	28	Each script will only ever be loaded once, even in urxvtd, where
29	scripts will be shared (but not enabled) for all terminals.	29	scripts will be shared (but not enabled) for all terminals.
30		30
		31	You can disable the embedded perl interpreter by setting both "perl-ext"
		32	and "perl-ext-common" resources to the empty string.
		33
31	=head1 PREPACKAGED EXTENSIONS	34	=head1 PREPACKAGED EXTENSIONS
32		35
33	This section describes the extensions delivered with this release. You can	36	A number of extensions are delivered with this release. You can find them
34	find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>.	37	in F<< <libdir>/urxvt/perl/ >>, and the documentation can be viewed using
		38	F<< man urxvt-<EXTENSIONNAME> >>.
35		39
36	You can activate them like this:	40	You can activate them like this:
37		41
38	@@RXVT_NAME@@ -pe <extensionname>	42	urxvt -pe <extensionname>
39		43
40	=over 4	44	Or by adding them to the resource for extensions loaded by default:
41		45
42	=item selection (enabled by default)	46	URxvt.perl-ext-common: default,selection-autotransform
43		47
44	(More) intelligent selection. This extension tries to be more intelligent	48	Extensions may add resources on their own. Similarly to builtin
45	when the user extends selections (double-click). Right now, it tries to	49	resources, these resources can also be specified on the command line
46	select urls and complete shell-quoted arguments, which is very convenient,	50	as long options (with '.' replaced by '-'), in which case the
47	too, if your F<ls> supports C<--quoting-style=shell>.	51	corresponding extension is loaded automatically.
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.
90
91	=item block-graphics-to-ascii
92
93	A not very useful example of filtering all text output to the terminal,
94	by replacing all line-drawing characters (U+2500 .. U+259F) by a
95	similar-looking ascii character.
96
97	=item example-refresh-hooks
98
99	Displays a very simple digital clock in the upper right corner of the
100	window. Illustrates overwriting the refresh callbacks to create your own
101	overlays or changes.
102
103	=back
104		52
105	=head1 API DOCUMENTATION	53	=head1 API DOCUMENTATION
106		54
107	=head2 General API Considerations	55	=head2 General API Considerations
108		56
…		…
122		70
123	=over 4	71	=over 4
124		72
125	=item $text	73	=item $text
126		74
127	Rxvt-unicodes special way of encoding text, where one "unicode" character	75	Rxvt-unicode's special way of encoding text, where one "unicode" character
128	always represents one screen cell. See L<row_t> for a discussion of this format.	76	always represents one screen cell. See L<ROW_t> for a discussion of this format.
129		77
130	=item $string	78	=item $string
131		79
132	A perl text string, with an emphasis on I<text>. It can store all unicode	80	A perl text string, with an emphasis on I<text>. It can store all unicode
133	characters and is to be distinguished with text encoded in a specific	81	characters and is to be distinguished with text encoded in a specific
…		…
136	=item $octets	84	=item $octets
137		85
138	Either binary data or - more common - a text string encoded in a	86	Either binary data or - more common - a text string encoded in a
139	locale-specific way.	87	locale-specific way.
140		88
		89	=item $keysym
		90
		91	an integer that is a valid X11 keysym code. You can convert a string
		92	into a keysym and viceversa by using C<XStringToKeysym> and
		93	C<XKeysymToString>.
		94
141	=back	95	=back
142		96
143	=head2 Extension Objects	97	=head2 Extension Objects
144		98
145	Very perl extension is a perl class. A separate perl object is created	99	Every perl extension is a perl class. A separate perl object is created
146	for each terminal and each extension and passed as the first parameter to	100	for each terminal, and each terminal has its own set of extension objects,
147	hooks. So extensions can use their C<$self> object without having to think	101	which are passed as the first parameter to hooks. So extensions can use
148	about other extensions, with the exception of methods and members that	102	their C<$self> object without having to think about clashes with other
		103	extensions or other terminals, with the exception of methods and members
149	begin with an underscore character C<_>: these are reserved for internal	104	that begin with an underscore character C<_>: these are reserved for
150	use.	105	internal use.
151		106
152	Although it isn't a C<urxvt::term> object, you can call all methods of the	107	Although it isn't a C<urxvt::term> object, you can call all methods of the
153	C<urxvt::term> class on this object.	108	C<urxvt::term> class on this object.
154		109
155	It has the following methods and data members:	110	Additional methods only supported for extension objects are described in
156		111	the C<urxvt::extension> section below.
157	=over 4
158
159	=item $urxvt_term = $self->{term}
160
161	Returns the C<urxvt::term> object associated with this instance of the
162	extension. This member I<must not> be changed in any way.
163
164	=item $self->enable ($hook_name => $cb, [$hook_name => $cb..])
165
166	Dynamically enable the given hooks (named without the C<on_> prefix) for
167	this extension, replacing any previous hook. This is useful when you want
168	to overwrite time-critical hooks only temporarily.
169
170	=item $self->disable ($hook_name[, $hook_name..])
171
172	Dynamically disable the given hooks.
173
174	=back
175		112
176	=head2 Hooks	113	=head2 Hooks
177		114
178	The following subroutines can be declared in extension files, and will be	115	The following subroutines can be declared in extension files, and will be
179	called whenever the relevant event happens.	116	called whenever the relevant event happens.
180		117
181	The first argument passed to them is an extension oject as described in	118	The first argument passed to them is an extension object as described in
182	the in the C<Extension Objects> section.	119	the in the C<Extension Objects> section.
183		120
184	B<All> of these hooks must return a boolean value. If it is true, then the	121	B<All> of these hooks must return a boolean value. If any of the called
185	event counts as being I<consumed>, and the invocation of other hooks is	122	hooks returns true, then the event counts as being I<consumed>, and the
186	skipped, and the relevant action might not be carried out by the C++ code.	123	relevant action might not be carried out by the C++ code.
187		124
188	I<< When in doubt, return a false value (preferably C<()>). >>	125	I<< When in doubt, return a false value (preferably C<()>). >>
189		126
190	=over 4	127	=over 4
191		128
192	=item on_init $term	129	=item on_init $term
193		130
194	Called after a new terminal object has been initialized, but before	131	Called after a new terminal object has been initialized, but before
195	windows are created or the command gets run. Most methods are unsafe to	132	windows are created or the command gets run. Most methods are unsafe to
196	call or deliver senseless data, as terminal size and other characteristics	133	call or deliver senseless data, as terminal size and other characteristics
197	have not yet been determined. You can safely query and change resources,	134	have not yet been determined. You can safely query and change resources
198	though.	135	and options, though. For many purposes the C<on_start> hook is a better
		136	place.
		137
		138	=item on_start $term
		139
		140	Called at the very end of initialisation of a new terminal, just before
		141	trying to map (display) the toplevel and returning to the main loop.
		142
		143	=item on_destroy $term
		144
		145	Called whenever something tries to destroy terminal, when the terminal is
		146	still fully functional (not for long, though).
199		147
200	=item on_reset $term	148	=item on_reset $term
201		149
202	Called after the screen is "reset" for any reason, such as resizing or	150	Called after the screen is "reset" for any reason, such as resizing or
203	control sequences. Here is where you can react on changes to size-related	151	control sequences. Here is where you can react on changes to size-related
204	variables.	152	variables.
205		153
206	=item on_start $term	154	=item on_child_start $term, $pid
207		155
208	Called at the very end of initialisation of a new terminal, just before	156	Called just after the child process has been C<fork>ed.
209	returning to the mainloop.	157
		158	=item on_child_exit $term, $status
		159
		160	Called just after the child process has exited. C<$status> is the status
		161	from C<waitpid>.
210		162
211	=item on_sel_make $term, $eventtime	163	=item on_sel_make $term, $eventtime
212		164
213	Called whenever a selection has been made by the user, but before the	165	Called whenever a selection has been made by the user, but before the
214	selection text is copied, so changes to the beginning, end or type of the	166	selection text is copied, so changes to the beginning, end or type of the
…		…
221		173
222	Called whenever a selection has been copied, but before the selection is	174	Called whenever a selection has been copied, but before the selection is
223	requested from the server. The selection text can be queried and changed	175	requested from the server. The selection text can be queried and changed
224	by calling C<< $term->selection >>.	176	by calling C<< $term->selection >>.
225		177
226	Returning a true value aborts selection grabbing. It will still be hilighted.	178	Returning a true value aborts selection grabbing. It will still be highlighted.
227		179
228	=item on_sel_extend $term	180	=item on_sel_extend $term
229		181
230	Called whenever the user tries to extend the selection (e.g. with a double	182	Called whenever the user tries to extend the selection (e.g. with a double
231	click) and is either supposed to return false (normal operation), or	183	click) and is either supposed to return false (normal operation), or
232	should extend the selection itelf and return true to suppress the built-in	184	should extend the selection itself and return true to suppress the built-in
233	processing.	185	processing. This can happen multiple times, as long as the callback
		186	returns true, it will be called on every further click by the user and is
		187	supposed to enlarge the selection more and more, if possible.
234		188
235	See the F<selection> example extension.	189	See the F<selection> example extension.
236		190
237	=item on_view_change $term, $offset	191	=item on_view_change $term, $offset
238		192
239	Called whenever the view offset changes, i..e the user or program	193	Called whenever the view offset changes, i.e. the user or program
240	scrolls. Offset C<0> means display the normal terminal, positive values	194	scrolls. Offset C<0> means display the normal terminal, positive values
241	show this many lines of scrollback.	195	show this many lines of scrollback.
242		196
243	=item on_scroll_back $term, $lines, $saved	197	=item on_scroll_back $term, $lines, $saved
244		198
…		…
248		202
249	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,	203	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,
250	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total	204	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total
251	number of lines that will be in the scrollback buffer.	205	number of lines that will be in the scrollback buffer.
252		206
253	=item on_osc_seq $term, $string	207	=item on_osc_seq $term, $op, $args, $resp
		208
		209	Called on every OSC sequence and can be used to suppress it or modify its
		210	behaviour. The default should be to return an empty list. A true value
		211	suppresses execution of the request completely. Make sure you don't get
		212	confused by recursive invocations when you output an OSC sequence within
		213	this callback.
		214
		215	C<on_osc_seq_perl> should be used for new behaviour.
		216
		217	=item on_osc_seq_perl $term, $args, $resp
254		218
255	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =	219	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
256	operating system command) is processed. Cursor position and other state	220	operating system command) is processed. Cursor position and other state
257	information is up-to-date when this happens. For interoperability, the	221	information is up-to-date when this happens. For interoperability, the
258	string should start with the extension name and a colon, to distinguish	222	string should start with the extension name (sans -osc) and a semicolon,
259	it from commands for other extensions, and this might be enforced in the	223	to distinguish it from commands for other extensions, and this might be
260	future.	224	enforced in the future.
		225
		226	For example, C<overlay-osc> uses this:
		227
		228	sub on_osc_seq_perl {
		229	my ($self, $osc, $resp) = @_;
		230
		231	return unless $osc =~ s/^overlay;//;
		232
		233	... process remaining $osc string
		234	}
261		235
262	Be careful not ever to trust (in a security sense) the data you receive,	236	Be careful not ever to trust (in a security sense) the data you receive,
263	as its source can not easily be controleld (e-mail content, messages from	237	as its source can not easily be controlled (e-mail content, messages from
264	other users on the same system etc.).	238	other users on the same system etc.).
		239
		240	For responses, C<$resp> contains the end-of-args separator used by the
		241	sender.
265		242
266	=item on_add_lines $term, $string	243	=item on_add_lines $term, $string
267		244
268	Called whenever text is about to be output, with the text as argument. You	245	Called whenever text is about to be output, with the text as argument. You
269	can filter/change and output the text yourself by returning a true value	246	can filter/change and output the text yourself by returning a true value
…		…
274	=item on_tt_write $term, $octets	251	=item on_tt_write $term, $octets
275		252
276	Called whenever some data is written to the tty/pty and can be used to	253	Called whenever some data is written to the tty/pty and can be used to
277	suppress or filter tty input.	254	suppress or filter tty input.
278		255
		256	=item on_tt_paste $term, $octets
		257
		258	Called whenever text is about to be pasted, with the text as argument. You
		259	can filter/change and paste the text yourself by returning a true value
		260	and calling C<< $term->tt_paste >> yourself. C<$octets> is
		261	locale-encoded.
		262
279	=item on_line_update $term, $row	263	=item on_line_update $term, $row
280		264
281	Called whenever a line was updated or changed. Can be used to filter	265	Called whenever a line was updated or changed. Can be used to filter
282	screen output (e.g. underline urls or other useless stuff). Only lines	266	screen output (e.g. underline urls or other useless stuff). Only lines
283	that are being shown will be filtered, and, due to performance reasons,	267	that are being shown will be filtered, and, due to performance reasons,
…		…
290	later with the already-modified line (e.g. if unrelated parts change), so	274	later with the already-modified line (e.g. if unrelated parts change), so
291	you cannot just toggle rendition bits, but only set them.	275	you cannot just toggle rendition bits, but only set them.
292		276
293	=item on_refresh_begin $term	277	=item on_refresh_begin $term
294		278
295	Called just before the screen gets redrawn. Can be used for overlay	279	Called just before the screen gets redrawn. Can be used for overlay or
296	or similar effects by modify terminal contents in refresh_begin, and	280	similar effects by modifying the terminal contents in refresh_begin, and
297	restoring them in refresh_end. The built-in overlay and selection display	281	restoring them in refresh_end. The built-in overlay and selection display
298	code is run after this hook, and takes precedence.	282	code is run after this hook, and takes precedence.
299		283
300	=item on_refresh_end $term	284	=item on_refresh_end $term
301		285
302	Called just after the screen gets redrawn. See C<on_refresh_begin>.	286	Called just after the screen gets redrawn. See C<on_refresh_begin>.
303		287
304	=item on_keyboard_command $term, $string	288	=item on_user_command $term, $string *DEPRECATED*
305		289
306	Called whenever the user presses a key combination that has a	290	Called whenever a user-configured event is being activated (e.g. via
307	C<perl:string> action bound to it (see description of the B<keysym>	291	a C<perl:string> action bound to a key, see description of the B<keysym>
308	resource in the @@RXVT_NAME@@(1) manpage).	292	resource in the urxvt(1) manpage).
		293
		294	The event is simply the action string. This interface is going away in
		295	preference to the C<on_action> hook.
		296
		297	=item on_resize_all_windows $term, $new_width, $new_height
		298
		299	Called just after the new window size has been calculated, but before
		300	windows are actually being resized or hints are being set. If this hook
		301	returns a true value, setting of the window hints is being skipped.
		302
		303	=item on_x_event $term, $event
		304
		305	Called on every X event received on the vt window (and possibly other
		306	windows). Should only be used as a last resort. Most event structure
		307	members are not passed.
		308
		309	=item on_root_event $term, $event
		310
		311	Like C<on_x_event>, but is called for events on the root window.
309		312
310	=item on_focus_in $term	313	=item on_focus_in $term
311		314
312	Called whenever the window gets the keyboard focus, before rxvt-unicode	315	Called whenever the window gets the keyboard focus, before rxvt-unicode
313	does focus in processing.	316	does focus in processing.
314		317
315	=item on_focus_out $term	318	=item on_focus_out $term
316		319
317	Called wheneever the window loses keyboard focus, before rxvt-unicode does	320	Called whenever the window loses keyboard focus, before rxvt-unicode does
318	focus out processing.	321	focus out processing.
319		322
		323	=item on_configure_notify $term, $event
		324
		325	=item on_property_notify $term, $event
		326
320	=item on_key_press $term, $event, $keysym, $octets	327	=item on_key_press $term, $event, $keysym, $octets
321		328
322	=item on_key_release $term, $event, $keysym	329	=item on_key_release $term, $event, $keysym
323		330
324	=item on_button_press $term, $event	331	=item on_button_press $term, $event
…		…
329		336
330	=item on_map_notify $term, $event	337	=item on_map_notify $term, $event
331		338
332	=item on_unmap_notify $term, $event	339	=item on_unmap_notify $term, $event
333		340
334	Called whenever the corresponding X event is received for the terminal If	341	Called whenever the corresponding X event is received for the terminal. If
335	the hook returns true, then the even will be ignored by rxvt-unicode.	342	the hook returns true, then the event will be ignored by rxvt-unicode.
336		343
337	The event is a hash with most values as named by Xlib (see the XEvent	344	The event is a hash with most values as named by Xlib (see the XEvent
338	manpage), with the additional members C<row> and C<col>, which are the row	345	manpage), with the additional members C<row> and C<col>, which are the
339	and column under the mouse cursor.	346	(real, not screen-based) row and column under the mouse cursor.
340		347
341	C<on_key_press> additionally receives the string rxvt-unicode would	348	C<on_key_press> additionally receives the string rxvt-unicode would
342	output, if any, in locale-specific encoding.	349	output, if any, in locale-specific encoding.
343		350
344	subwindow.	351	=item on_client_message $term, $event
		352
		353	=item on_wm_protocols $term, $event
		354
		355	=item on_wm_delete_window $term, $event
		356
		357	Called when various types of ClientMessage events are received (all with
		358	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
		359
		360	=item on_bell $term
		361
		362	Called on receipt of a bell character.
345		363
346	=back	364	=back
		365
		366	=cut
		367
		368	package urxvt;
		369
		370	use utf8;
		371	use strict 'vars';
		372	use Carp ();
		373	use Scalar::Util ();
		374	use List::Util ();
		375
		376	our $VERSION = 1;
		377	our $TERM;
		378	our @TERM_INIT; # should go, prevents async I/O etc.
		379	our @TERM_EXT; # should go, prevents async I/O etc.
		380	our @HOOKNAME;
		381	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
		382	our %OPTION;
		383
		384	our $LIBDIR;
		385	our $RESNAME;
		386	our $RESCLASS;
		387	our $RXVTNAME;
		388
		389	our $NOCHAR = chr 0xffff;
347		390
348	=head2 Variables in the C<urxvt> Package	391	=head2 Variables in the C<urxvt> Package
349		392
350	=over 4	393	=over 4
351		394
…		…
365	=item $urxvt::TERM	408	=item $urxvt::TERM
366		409
367	The current terminal. This variable stores the current C<urxvt::term>	410	The current terminal. This variable stores the current C<urxvt::term>
368	object, whenever a callback/hook is executing.	411	object, whenever a callback/hook is executing.
369		412
370	=item	413	=item @urxvt::TERM_INIT
		414
		415	All code references in this array will be called as methods of the next newly
		416	created C<urxvt::term> object (during the C<on_init> phase). The array
		417	gets cleared before the code references that were in it are being executed,
		418	so references can push themselves onto it again if they so desire.
		419
		420	This complements to the perl-eval command line option, but gets executed
		421	first.
		422
		423	=item @urxvt::TERM_EXT
		424
		425	Works similar to C<@TERM_INIT>, but contains perl package/class names, which
		426	get registered as normal extensions after calling the hooks in C<@TERM_INIT>
		427	but before other extensions. Gets cleared just like C<@TERM_INIT>.
371		428
372	=back	429	=back
373		430
374	=head2 Functions in the C<urxvt> Package	431	=head2 Functions in the C<urxvt> Package
375		432
376	=over 4	433	=over 4
377		434
378	=item $term = new urxvt [arg...]
379
380	Creates a new terminal, very similar as if you had started it with
381	C<system $binfile, arg...>. Croaks (and probably outputs an error message)
382	if the new instance couldn't be created. Returns C<undef> if the new
383	instance didn't initialise perl, and the terminal object otherwise. The
384	C<init> and C<start> hooks will be called during the call.
385
386	=item urxvt::fatal $errormessage	435	=item urxvt::fatal $errormessage
387		436
388	Fatally aborts execution with the given error message. Avoid at all	437	Fatally aborts execution with the given error message (which should
389	costs! The only time this is acceptable is when the terminal process	438	include a trailing newline). Avoid at all costs! The only time this
390	starts up.	439	is acceptable (and useful) is in the init hook, where it prevents the
		440	terminal from starting up.
391		441
392	=item urxvt::warn $string	442	=item urxvt::warn $string
393		443
394	Calls C<rxvt_warn> with the given string which should not include a	444	Calls C<rxvt_warn> with the given string which should include a trailing
395	newline. The module also overwrites the C<warn> builtin with a function	445	newline. The module also overwrites the C<warn> builtin with a function
396	that calls this function.	446	that calls this function.
397		447
398	Using this function has the advantage that its output ends up in the	448	Using this function has the advantage that its output ends up in the
399	correct place, e.g. on stderr of the connecting urxvtc client.	449	correct place, e.g. on stderr of the connecting urxvtc client.
400		450
401	=item $is_safe = urxvt::safe	451	Messages have a size limit of 1023 bytes currently.
402		452
403	Returns true when it is safe to do potentially unsafe things, such as	453	=item @terms = urxvt::termlist
404	evaluating perl code specified by the user. This is true when urxvt was	454
405	started setuid or setgid.	455	Returns all urxvt::term objects that exist in this process, regardless of
		456	whether they are started, being destroyed etc., so be careful. Only term
		457	objects that have perl extensions attached will be returned (because there
		458	is no urxvt::term object associated with others).
406		459
407	=item $time = urxvt::NOW	460	=item $time = urxvt::NOW
408		461
409	Returns the "current time" (as per the event loop).	462	Returns the "current time" (as per the event loop).
410		463
411	=item urxvt::CurrentTime	464	=item urxvt::CurrentTime
412		465
413	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,	466	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
414	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,	467	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
415	Button4Mask, Button5Mask, AnyModifier	468	Button4Mask, Button5Mask, AnyModifier
		469
		470	=item urxvt::NoEventMask, KeyPressMask, KeyReleaseMask,
		471	ButtonPressMask, ButtonReleaseMask, EnterWindowMask, LeaveWindowMask,
		472	PointerMotionMask, PointerMotionHintMask, Button1MotionMask, Button2MotionMask,
		473	Button3MotionMask, Button4MotionMask, Button5MotionMask, ButtonMotionMask,
		474	KeymapStateMask, ExposureMask, VisibilityChangeMask, StructureNotifyMask,
		475	ResizeRedirectMask, SubstructureNotifyMask, SubstructureRedirectMask,
		476	FocusChangeMask, PropertyChangeMask, ColormapChangeMask, OwnerGrabButtonMask
		477
		478	=item urxvt::KeyPress, KeyRelease, ButtonPress, ButtonRelease, MotionNotify,
		479	EnterNotify, LeaveNotify, FocusIn, FocusOut, KeymapNotify, Expose,
		480	GraphicsExpose, NoExpose, VisibilityNotify, CreateNotify, DestroyNotify,
		481	UnmapNotify, MapNotify, MapRequest, ReparentNotify, ConfigureNotify,
		482	ConfigureRequest, GravityNotify, ResizeRequest, CirculateNotify,
		483	CirculateRequest, PropertyNotify, SelectionClear, SelectionRequest,
		484	SelectionNotify, ColormapNotify, ClientMessage, MappingNotify
416		485
417	Various constants for use in X calls and event processing.	486	Various constants for use in X calls and event processing.
418		487
419	=back	488	=back
420		489
…		…
437		506
438	=item $rend = urxvt::OVERLAY_RSTYLE	507	=item $rend = urxvt::OVERLAY_RSTYLE
439		508
440	Return the rendition mask used for overlays by default.	509	Return the rendition mask used for overlays by default.
441		510
442	=item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline	511	=item $rendbit = urxvt::RS_Bold, urxvt::RS_Italic, urxvt::RS_Blink,
		512	urxvt::RS_RVid, urxvt::RS_Uline
443		513
444	Return the bit that enabled bold, italic, blink, reverse-video and	514	Return the bit that enabled bold, italic, blink, reverse-video and
445	underline, respectively. To enable such a style, just logically OR it into	515	underline, respectively. To enable such a style, just logically OR it into
446	the bitset.	516	the bitset.
447		517
…		…
453		523
454	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour	524	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour
455		525
456	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour	526	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour
457		527
		528	=item $rend = urxvt::SET_COLOR $rend, $new_fg, $new_bg
		529
458	Replace the foreground/background colour in the rendition mask with the	530	Replace the foreground/background colour in the rendition mask with the
459	specified one.	531	specified one.
460		532
461	=item $value = urxvt::GET_CUSTOM $rend	533	=item $value = urxvt::GET_CUSTOM $rend
462		534
…		…
470		542
471	=back	543	=back
472		544
473	=cut	545	=cut
474		546
475	package urxvt;
476
477	use utf8;
478	use strict;
479	use Carp ();
480	use Scalar::Util ();
481	use List::Util ();
482
483	our $VERSION = 1;
484	our $TERM;
485	our @HOOKNAME;
486	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
487	our %OPTION;
488
489	our $LIBDIR;
490	our $RESNAME;
491	our $RESCLASS;
492	our $RXVTNAME;
493
494	BEGIN {	547	BEGIN {
495	urxvt->bootstrap;
496
497	# overwrite perl's warn	548	# overwrite perl's warn
498	*CORE::GLOBAL::warn = sub {	549	*CORE::GLOBAL::warn = sub {
499	my $msg = join "", @_;	550	my $msg = join "", @_;
500	$msg .= "\n"	551	$msg .= "\n"
501	unless $msg =~ /\n$/;	552	unless $msg =~ /\n$/;
502	urxvt::warn ($msg);	553	urxvt::warn ($msg);
503	};	554	};
504
505	delete $ENV{IFS};
506	delete $ENV{CDPATH};
507	delete $ENV{BASH_ENV};
508	$ENV{PATH} = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin:/opt/sbin";
509	}	555	}
510		556
511	my @hook_count;	557	no warnings 'utf8';
		558
		559	sub parse_resource {
		560	my ($term, $name, $isarg, $longopt, $flag, $value) = @_;
		561
		562	$term->scan_extensions;
		563
		564	my $r = $term->{meta}{resource};
		565	keys %$r; # reset iterator
		566	while (my ($k, $v) = each %$r) {
		567	my $pattern = $k;
		568	$pattern =~ y/./-/ if $isarg;
		569	my $prefix = $name;
		570	my $suffix;
		571	if ($pattern =~ /\-$/) {
		572	$prefix = substr $name, 0, length $pattern;
		573	$suffix = substr $name, length $pattern;
		574	}
		575	if ($pattern eq $prefix) {
		576	$name = "$urxvt::RESCLASS.$k$suffix";
		577
		578	push @{ $term->{perl_ext_3} }, $v->[0];
		579
		580	if ($v->[1] eq "boolean") {
		581	$term->put_option_db ($name, $flag ? "true" : "false");
		582	return 1;
		583	} else {
		584	$term->put_option_db ($name, $value);
		585	return 1 + 2;
		586	}
		587	}
		588	}
		589
		590	0
		591	}
		592
		593	sub usage {
		594	my ($term, $usage_type) = @_;
		595
		596	$term->scan_extensions;
		597
		598	my $r = $term->{meta}{resource};
		599
		600	for my $pattern (sort keys %$r) {
		601	my ($ext, $type, $desc) = @{ $r->{$pattern} };
		602
		603	$desc .= " (-pe $ext)";
		604
		605	if ($usage_type == 1) {
		606	$pattern =~ y/./-/;
		607	$pattern =~ s/-$/-.../g;
		608
		609	if ($type eq "boolean") {
		610	urxvt::log sprintf " -%-30s %s\n", "/+$pattern", $desc;
		611	} else {
		612	urxvt::log sprintf " -%-30s %s\n", "$pattern $type", $desc;
		613	}
		614	} else {
		615	$pattern =~ s/\.$/.*/g;
		616	urxvt::log sprintf " %-31s %s\n", "$pattern:", $type;
		617	}
		618	}
		619	}
		620
512	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};	621	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
513		622
514	sub verbose {	623	sub verbose {
515	my ($level, $msg) = @_;	624	my ($level, $msg) = @_;
516	warn "$msg\n" if $level <= $verbosity;	625	warn "$msg\n" if $level <= $verbosity;
517	}	626	}
518		627
519	my $extension_pkg = "extension0000";
520	my %extension_pkg;	628	my %extension_pkg;
521		629
522	# load a single script into its own package, once only	630	# load a single script into its own package, once only
523	sub extension_package($) {	631	sub extension_package($) {
524	my ($path) = @_;	632	my ($path) = @_;
525		633
526	$extension_pkg{$path} ||= do {	634	$extension_pkg{$path} ||= do {
527	my $pkg = "urxvt::" . ($extension_pkg++);	635	$path =~ /([^\/\\]+)$/;
		636	my $pkg = $1;
		637	$pkg =~ s/[^[:word:]]/_/g;
		638	$pkg = "urxvt::ext::$pkg";
528		639
529	verbose 3, "loading extension '$path' into package '$pkg'";	640	verbose 3, "loading extension '$path' into package '$pkg'";
		641
		642	(${"$pkg\::_NAME"} = $path) =~ s/^.*[\\\/]//; # hackish
530		643
531	open my $fh, "<:raw", $path	644	open my $fh, "<:raw", $path
532	or die "$path: $!";	645	or die "$path: $!";
533		646
534	my $source = untaint	647	my $source =
535	"package $pkg; use strict; use utf8;\n"	648	"package $pkg; use strict 'vars'; use utf8; no warnings 'utf8';\n"
536	. "use base urxvt::term::extension::;\n"
537	. "#line 1 \"$path\"\n{\n"	649	. "#line 1 \"$path\"\n{\n"
538	. (do { local $/; <$fh> })	650	. (do { local $/; <$fh> })
539	. "\n};\n1";	651	. "\n};\n1";
540		652
541	eval $source	653	eval $source
…		…
550	# called by the rxvt core	662	# called by the rxvt core
551	sub invoke {	663	sub invoke {
552	local $TERM = shift;	664	local $TERM = shift;
553	my $htype = shift;	665	my $htype = shift;
554		666
555	if ($htype == 0) { # INIT	667	if ($htype == HOOK_INIT) {
556	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");	668	my @dirs = $TERM->perl_libdirs;
557		669
		670	$TERM->scan_extensions;
		671
558	my %ext_arg;	672	my %ext_arg;
559		673
		674	{
		675	my @init = @TERM_INIT;
		676	@TERM_INIT = ();
		677	$_->($TERM) for @init;
		678	my @pkg = @TERM_EXT;
		679	@TERM_EXT = ();
		680	$TERM->register_package ($_) for @pkg;
		681	}
		682
		683	for (
560	for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {	684	grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2
		685	) {
561	if ($_ eq "default") {	686	if ($_ eq "default") {
562	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback);	687
		688	$ext_arg{$_} = []
		689	for
		690	qw(selection option-popup selection-popup readline),
		691	@{ delete $TERM->{perl_ext_3} },
		692	map $_->[0], values %{ $TERM->{meta}{binding} };
		693
		694	for ($TERM->_keysym_resources) {
		695	next if /^(?:string|command|builtin|builtin-string|perl)/;
		696	next unless /^([A-Za-z0-9_\-]+):/;
		697
		698	my $ext = $1;
		699
		700	$ext_arg{$ext} = [];
		701	}
		702
563	} elsif (/^-(.*)$/) {	703	} elsif (/^-(.*)$/) {
564	delete $ext_arg{$1};	704	delete $ext_arg{$1};
		705
565	} elsif (/^([^<]+)<(.*)>$/) {	706	} elsif (/^([^<]+)<(.*)>$/) {
566	push @{ $ext_arg{$1} }, $2;	707	push @{ $ext_arg{$1} }, $2;
		708
567	} else {	709	} else {
568	$ext_arg{$_} ||= [];	710	$ext_arg{$_} ||= [];
569	}	711	}
570	}	712	}
571		713
572	while (my ($ext, $argv) = each %ext_arg) {	714	# now register default key bindings
		715	for my $ext (sort keys %ext_arg) {
		716	while (my ($k, $v) = each %{ $TERM->{meta}{ext}{$ext}{binding} }) {
		717	$TERM->bind_action ($k, "$v->[0]:$v->[1]");
		718	}
		719	}
		720
		721	for my $ext (sort keys %ext_arg) {
573	my @files = grep -f $_, map "$_/$ext", @dirs;	722	my @files = grep -f $_, map "$_/$ext", @dirs;
574		723
575	if (@files) {	724	if (@files) {
576	$TERM->register_package (extension_package $files[0], $argv);	725	$TERM->register_package (extension_package $files[0], $ext_arg{$ext});
577	} else {	726	} else {
578	warn "perl extension '$ext' not found in perl library search path\n";	727	warn "perl extension '$ext' not found in perl library search path\n";
579	}	728	}
580	}	729	}
581		730
…		…
587		736
588	if (my $cb = $TERM->{_hook}[$htype]) {	737	if (my $cb = $TERM->{_hook}[$htype]) {
589	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"	738	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
590	if $verbosity >= 10;	739	if $verbosity >= 10;
591		740
592	keys %$cb;	741	if ($htype == HOOK_ACTION) {
		742	# this hook is only sent to the extension with the name
		743	# matching the first arg
		744	my $pkg = shift;
		745	$pkg =~ y/-/_/;
		746	$pkg = "urxvt::ext::$pkg";
593		747
594	while (my ($pkg, $cb) = each %$cb) {	748	$cb = $cb->{$pkg}
		749	or return undef; #TODO: maybe warn user?
		750
		751	$cb = { $pkg => $cb };
		752	}
		753
		754	for my $pkg (keys %$cb) {
595	$retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) }	755	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg} || $TERM, @_) };
596	and last;	756	$retval ||= $retval_;
597		757
598	if ($@) {	758	if ($@) {
599	$TERM->ungrab; # better to lose the grab than the session	759	$TERM->ungrab; # better to lose the grab than the session
600	warn $@;	760	warn $@;
601	}	761	}
602	}	762	}
		763
		764	verbose 11, "$HOOKNAME[$htype] returning <$retval>"
		765	if $verbosity >= 11;
603	}	766	}
604		767
605	if ($htype == 1) { # DESTROY	768	if ($htype == HOOK_DESTROY) {
606	if (my $hook = delete $TERM->{_hook}) {
607	for my $htype (0..$#$hook) {
608	$hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
609	or set_should_invoke $htype, 0;
610	}
611	}
612
613	# clear package objects	769	# clear package objects
614	%$_ = () for values %{ $TERM->{_pkg} };	770	%$_ = () for values %{ $TERM->{_pkg} };
615		771
616	# clear package	772	# clear package
617	%$TERM = ();	773	%$TERM = ();
618	}	774	}
619		775
620	$retval	776	$retval
621	}	777	}
622		778
623	# urxvt::term::extension	779	sub SET_COLOR($$$) {
		780	SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
		781	}
624		782
625	package urxvt::term::extension;	783	sub rend2mask {
626		784	no strict 'refs';
627	sub enable {	785	my ($str, $mask) = (@_, 0);
628	my ($self, %hook) = @_;	786	my %color = ( fg => undef, bg => undef );
629	my $pkg = $self->{_pkg};	787	my @failed;
630		788	for my $spec ( split /\s+/, $str ) {
631	while (my ($name, $cb) = each %hook) {	789	if ( $spec =~ /^([fb]g)[_:-]?(\d+)/i ) {
632	my $htype = $HOOKTYPE{uc $name};	790	$color{lc($1)} = $2;
633	defined $htype	791	} else {
634	or Carp::croak "unsupported hook type '$name'";	792	my $neg = $spec =~ s/^[-^]//;
635		793	unless ( exists &{"RS_$spec"} ) {
636	unless (exists $self->{term}{_hook}[$htype]{$pkg}) {	794	push @failed, $spec;
637	$hook_count[$htype]++	795	next;
638	or urxvt::set_should_invoke $htype, 1;
639	}	796	}
640		797	my $cur = &{"RS_$spec"};
641	$self->{term}{_hook}[$htype]{$pkg} = $cb;	798	if ( $neg ) {
642	}	799	$mask &= ~$cur;
643	}	800	} else {
644		801	$mask |= $cur;
645	sub disable {	802	}
646	my ($self, @hook) = @_;
647	my $pkg = $self->{_pkg};
648
649	for my $name (@hook) {
650	my $htype = $HOOKTYPE{uc $name};
651	defined $htype
652	or Carp::croak "unsupported hook type '$name'";
653
654	if (delete $self->{term}{_hook}[$htype]{$pkg}) {
655	--$hook_count[$htype]
656	or urxvt::set_should_invoke $htype, 0;
657	}	803	}
658	}	804	}
		805	($mask, @color{qw(fg bg)}, \@failed)
659	}	806	}
		807
		808	package urxvt::term::extension;
		809
		810	=head2 The C<urxvt::term::extension> class
		811
		812	Each extension attached to a terminal object is represented by
		813	a C<urxvt::term::extension> object.
		814
		815	You can use these objects, which are passed to all callbacks to store any
		816	state related to the terminal and extension instance.
		817
		818	The methods (And data members) documented below can be called on extension
		819	objects, in addition to call methods documented for the <urxvt::term>
		820	class.
		821
		822	=over 4
		823
		824	=item $urxvt_term = $self->{term}
		825
		826	Returns the C<urxvt::term> object associated with this instance of the
		827	extension. This member I<must not> be changed in any way.
		828
		829	=cut
660		830
661	our $AUTOLOAD;	831	our $AUTOLOAD;
662		832
663	sub AUTOLOAD {	833	sub AUTOLOAD {
664	$AUTOLOAD =~ /:([^:]+)$/	834	$AUTOLOAD =~ /:([^:]+)$/
…		…
677		847
678	sub DESTROY {	848	sub DESTROY {
679	# nop	849	# nop
680	}	850	}
681		851
682	# urxvt::destroy_hook	852	# urxvt::destroy_hook (basically a cheap Guard:: implementation)
683		853
684	sub urxvt::destroy_hook::DESTROY {	854	sub urxvt::destroy_hook::DESTROY {
685	${$_[0]}->();	855	${$_[0]}->();
686	}	856	}
687		857
688	sub urxvt::destroy_hook(&) {	858	sub urxvt::destroy_hook(&) {
689	bless \shift, urxvt::destroy_hook::	859	bless \shift, urxvt::destroy_hook::
690	}	860	}
		861
		862	=item $self->enable ($hook_name => $cb[, $hook_name => $cb..])
		863
		864	Dynamically enable the given hooks (named without the C<on_> prefix) for
		865	this extension, replacing any hook previously installed via C<enable> in
		866	this extension.
		867
		868	This is useful when you want to overwrite time-critical hooks only
		869	temporarily.
		870
		871	To install additional callbacks for the same hook, you can use the C<on>
		872	method of the C<urxvt::term> class.
		873
		874	=item $self->disable ($hook_name[, $hook_name..])
		875
		876	Dynamically disable the given hooks.
		877
		878	=cut
		879
		880	sub enable {
		881	my ($self, %hook) = @_;
		882	my $pkg = $self->{_pkg};
		883
		884	while (my ($name, $cb) = each %hook) {
		885	my $htype = $HOOKTYPE{uc $name};
		886	defined $htype
		887	or Carp::croak "unsupported hook type '$name'";
		888
		889	$self->set_should_invoke ($htype, +1)
		890	unless exists $self->{term}{_hook}[$htype]{$pkg};
		891
		892	$self->{term}{_hook}[$htype]{$pkg} = $cb;
		893	}
		894	}
		895
		896	sub disable {
		897	my ($self, @hook) = @_;
		898	my $pkg = $self->{_pkg};
		899
		900	for my $name (@hook) {
		901	my $htype = $HOOKTYPE{uc $name};
		902	defined $htype
		903	or Carp::croak "unsupported hook type '$name'";
		904
		905	$self->set_should_invoke ($htype, -1)
		906	if delete $self->{term}{_hook}[$htype]{$pkg};
		907	}
		908	}
		909
		910	=item $guard = $self->on ($hook_name => $cb[, $hook_name => $cb..])
		911
		912	Similar to the C<enable> enable, but installs additional callbacks for
		913	the given hook(s) (that is, it doesn't replace existing callbacks), and
		914	returns a guard object. When the guard object is destroyed the callbacks
		915	are disabled again.
		916
		917	=cut
		918
		919	sub urxvt::extension::on_disable::DESTROY {
		920	my $disable = shift;
		921
		922	my $term = delete $disable->{""};
		923
		924	while (my ($htype, $id) = each %$disable) {
		925	delete $term->{_hook}[$htype]{$id};
		926	$term->set_should_invoke ($htype, -1);
		927	}
		928	}
		929
		930	sub on {
		931	my ($self, %hook) = @_;
		932
		933	my $term = $self->{term};
		934
		935	my %disable = ( "" => $term );
		936
		937	while (my ($name, $cb) = each %hook) {
		938	my $htype = $HOOKTYPE{uc $name};
		939	defined $htype
		940	or Carp::croak "unsupported hook type '$name'";
		941
		942	$term->set_should_invoke ($htype, +1);
		943	$term->{_hook}[$htype]{ $disable{$htype} = $cb+0 }
		944	= sub { shift; $cb->($self, @_) }; # very ugly indeed
		945	}
		946
		947	bless \%disable, "urxvt::extension::on_disable"
		948	}
		949
		950	=item $self->x_resource ($pattern)
		951
		952	=item $self->x_resource_boolean ($pattern)
		953
		954	These methods support an additional C<%> prefix when called on an
		955	extension object - see the description of these methods in the
		956	C<urxvt::term> class for details.
		957
		958	=cut
		959
		960	sub x_resource {
		961	my ($self, $name) = @_;
		962	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		963	$self->{term}->x_resource ($name)
		964	}
		965
		966	sub x_resource_boolean {
		967	my ($self, $name) = @_;
		968	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		969	$self->{term}->x_resource_boolean ($name)
		970	}
		971
		972	=back
		973
		974	=cut
691		975
692	package urxvt::anyevent;	976	package urxvt::anyevent;
693		977
694	=head2 The C<urxvt::anyevent> Class	978	=head2 The C<urxvt::anyevent> Class
695		979
696	The sole purpose of this class is to deliver an interface to the	980	The sole purpose of this class is to deliver an interface to the
697	C<AnyEvent> module - any module using it will work inside urxvt without	981	C<AnyEvent> module - any module using it will work inside urxvt without
698	further programming. The only exception is that you cannot wait on	982	further programming. The only exception is that you cannot wait on
699	condition variables, but non-blocking condvar use is ok. What this means	983	condition variables, but non-blocking condvar use is ok.
700	is that you cannot use blocking APIs, but the non-blocking variant should
701	work.
702		984
703	=cut	985	In practical terms this means is that you cannot use blocking APIs, but
		986	the non-blocking variant should work.
704		987
		988	=cut
		989
705	our $VERSION = 1;	990	our $VERSION = '5.23';
706		991
707	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there	992	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
708	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];	993	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
709		994
710	sub timer {	995	sub timer {
…		…
712		997
713	my $cb = $arg{cb};	998	my $cb = $arg{cb};
714		999
715	urxvt::timer	1000	urxvt::timer
716	->new	1001	->new
717	->start (urxvt::NOW + $arg{after})	1002	->after ($arg{after}, $arg{interval})
718	->cb (sub {	1003	->cb ($arg{interval} ? $cb : sub {
719	$_[0]->stop; # need to cancel manually	1004	$_[0]->stop; # need to cancel manually
720	$cb->();	1005	$cb->();
721	})	1006	})
722	}	1007	}
723		1008
724	sub io {	1009	sub io {
725	my ($class, %arg) = @_;	1010	my ($class, %arg) = @_;
726		1011
727	my $cb = $arg{cb};	1012	my $cb = $arg{cb};
		1013	my $fd = fileno $arg{fh};
		1014	defined $fd or $fd = $arg{fh};
728		1015
729	bless [$arg{fh}, urxvt::iow	1016	bless [$arg{fh}, urxvt::iow
730	->new	1017	->new
731	->fd (fileno $arg{fh})	1018	->fd ($fd)
732	->events (($arg{poll} =~ /r/ ? 1 : 0)	1019	->events (($arg{poll} =~ /r/ ? 1 : 0)
733	| ($arg{poll} =~ /w/ ? 2 : 0))	1020	| ($arg{poll} =~ /w/ ? 2 : 0))
734	->start	1021	->start
735	->cb (sub {	1022	->cb ($cb)
736	$cb->(($_[1] & 1 ? 'r' : '')
737	. ($_[1] & 2 ? 'w' : ''));
738	})],
739	urxvt::anyevent::	1023	], urxvt::anyevent::
		1024	}
		1025
		1026	sub idle {
		1027	my ($class, %arg) = @_;
		1028
		1029	my $cb = $arg{cb};
		1030
		1031	urxvt::iw
		1032	->new
		1033	->start
		1034	->cb ($cb)
		1035	}
		1036
		1037	sub child {
		1038	my ($class, %arg) = @_;
		1039
		1040	my $cb = $arg{cb};
		1041
		1042	urxvt::pw
		1043	->new
		1044	->start ($arg{pid})
		1045	->cb (sub {
		1046	$_[0]->stop; # need to cancel manually
		1047	$cb->($_[0]->rpid, $_[0]->rstatus);
		1048	})
740	}	1049	}
741		1050
742	sub DESTROY {	1051	sub DESTROY {
743	$_[0][1]->stop;	1052	$_[0][1]->stop;
744	}	1053	}
745		1054
746	sub condvar {	1055	# only needed for AnyEvent < 6 compatibility
747	bless \my $flag, urxvt::anyevent::condvar::	1056	sub one_event {
748	}
749
750	sub urxvt::anyevent::condvar::broadcast {
751	${$_[0]}++;
752	}
753
754	sub urxvt::anyevent::condvar::wait {
755	unless (${$_[0]}) {
756	Carp::croak "AnyEvent->condvar blocking wait unsupported in urxvt, use a non-blocking API";	1057	Carp::croak "AnyEvent->one_event blocking wait unsupported in urxvt, use a non-blocking API";
757	}
758	}	1058	}
759		1059
760	package urxvt::term;	1060	package urxvt::term;
761		1061
762	=head2 The C<urxvt::term> Class	1062	=head2 The C<urxvt::term> Class
…		…
768	# find on_xxx subs in the package and register them	1068	# find on_xxx subs in the package and register them
769	# as hooks	1069	# as hooks
770	sub register_package {	1070	sub register_package {
771	my ($self, $pkg, $argv) = @_;	1071	my ($self, $pkg, $argv) = @_;
772		1072
		1073	no strict 'refs';
		1074
		1075	urxvt::verbose 6, "register package $pkg to $self";
		1076
		1077	@{"$pkg\::ISA"} = urxvt::term::extension::;
		1078
773	my $proxy = bless {	1079	my $proxy = bless {
774	_pkg => $pkg,	1080	_pkg => $pkg,
		1081	_name => ${"$pkg\::_NAME"}, # hackish
775	argv => $argv,	1082	argv => $argv,
776	}, $pkg;	1083	}, $pkg;
777	Scalar::Util::weaken ($proxy->{term} = $self);	1084	Scalar::Util::weaken ($proxy->{term} = $self);
778		1085
779	$self->{_pkg}{$pkg} = $proxy;	1086	$self->{_pkg}{$pkg} = $proxy;
780		1087
…		…
783	$proxy->enable ($name => $ref);	1090	$proxy->enable ($name => $ref);
784	}	1091	}
785	}	1092	}
786	}	1093	}
787		1094
		1095	sub perl_libdirs {
		1096	map { split /:/ }
		1097	$_[0]->resource ("perl_lib"),
		1098	$ENV{URXVT_PERL_LIB},
		1099	"$ENV{HOME}/.urxvt/ext",
		1100	"$LIBDIR/perl"
		1101	}
		1102
		1103	# scan for available extensions and collect their metadata
		1104	sub scan_extensions {
		1105	my ($self) = @_;
		1106
		1107	return if exists $self->{meta};
		1108
		1109	my @libdirs = perl_libdirs $self;
		1110
		1111	# return if $self->{meta_libdirs} eq join "\x00", @libdirs;#d#
		1112
		1113	# $self->{meta_libdirs} = join "\x00", @libdirs;#d#
		1114	$self->{meta} = \my %meta;
		1115
		1116	# first gather extensions
		1117	for my $dir (reverse @libdirs) {
		1118	opendir my $fh, $dir
		1119	or next;
		1120	for my $ext (readdir $fh) {
		1121	$ext !~ /^\./
		1122	and open my $fh, "<", "$dir/$ext"
		1123	or next;
		1124
		1125	my %ext = (dir => $dir);
		1126
		1127	while (<$fh>) {
		1128	if (/^#:META:(?:X_)?RESOURCE:(.*)/) {
		1129	my ($pattern, $type, $desc) = split /:/, $1;
		1130	$pattern =~ s/^%(\.|$)/$ext$1/g; # % in pattern == extension name
		1131	if ($pattern =~ /[^a-zA-Z0-9\-\.]/) {
		1132	warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n";
		1133	} else {
		1134	$ext{resource}{$pattern} = [$ext, $type, $desc];
		1135	}
		1136	} elsif (/^#:META:BINDING:(.*)/) {
		1137	my ($keysym, $action) = split /:/, $1;
		1138	$ext{binding}{$keysym} = [$ext, $action];
		1139	} elsif (/^\s*(?:#|$)/) {
		1140	# skip other comments and empty lines
		1141	} else {
		1142	last; # stop parsing on first non-empty non-comment line
		1143	}
		1144	}
		1145
		1146	$meta{ext}{$ext} = \%ext;
		1147	}
		1148	}
		1149
		1150	# and now merge resources and bindings
		1151	while (my ($k, $v) = each %{ $meta{ext} }) {
		1152	#TODO: should check for extensions overriding each other
		1153	%{ $meta{resource} } = (%{ $meta{resource} }, %{ $v->{resource} });
		1154	%{ $meta{binding} } = (%{ $meta{binding} }, %{ $v->{binding} });
		1155	}
		1156	}
		1157
		1158	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
		1159
		1160	Creates a new terminal, very similar as if you had started it with system
		1161	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
		1162	hash which defines the environment of the new terminal.
		1163
		1164	Croaks (and probably outputs an error message) if the new instance
		1165	couldn't be created. Returns C<undef> if the new instance didn't
		1166	initialise perl, and the terminal object otherwise. The C<init> and
		1167	C<start> hooks will be called before this call returns, and are free to
		1168	refer to global data (which is race free).
		1169
		1170	=cut
		1171
		1172	sub new {
		1173	my ($class, $env, @args) = @_;
		1174
		1175	$env or Carp::croak "environment hash missing in call to urxvt::term->new";
		1176	@args or Carp::croak "name argument missing in call to urxvt::term->new";
		1177
		1178	_new ([ map "$_=$env->{$_}", keys %$env ], \@args);
		1179	}
		1180
788	=item $term->destroy	1181	=item $term->destroy
789		1182
790	Destroy the terminal object (close the window, free resources	1183	Destroy the terminal object (close the window, free resources
791	etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event	1184	etc.). Please note that urxvt will not exit as long as any event
792	watchers (timers, io watchers) are still active.	1185	watchers (timers, io watchers) are still active.
		1186
		1187	=item $term->exec_async ($cmd[, @args])
		1188
		1189	Works like the combination of the C<fork>/C<exec> builtins, which executes
		1190	("starts") programs in the background. This function takes care of setting
		1191	the user environment before exec'ing the command (e.g. C<PATH>) and should
		1192	be preferred over explicit calls to C<exec> or C<system>.
		1193
		1194	Returns the pid of the subprocess or C<undef> on error.
		1195
		1196	=cut
		1197
		1198	sub exec_async {
		1199	my $self = shift;
		1200
		1201	my $pid = fork;
		1202
		1203	return $pid
		1204	if !defined $pid or $pid;
		1205
		1206	%ENV = %{ $self->env };
		1207
		1208	exec @_;
		1209	urxvt::_exit 255;
		1210	}
793		1211
794	=item $isset = $term->option ($optval[, $set])	1212	=item $isset = $term->option ($optval[, $set])
795		1213
796	Returns true if the option specified by C<$optval> is enabled, and	1214	Returns true if the option specified by C<$optval> is enabled, and
797	optionally change it. All option values are stored by name in the hash	1215	optionally change it. All option values are stored by name in the hash
798	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.	1216	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
799		1217
800	Here is a a likely non-exhaustive list of option names, please see the	1218	Here is a likely non-exhaustive list of option names, please see the
801	source file F</src/optinc.h> to see the actual list:	1219	source file F</src/optinc.h> to see the actual list:
802		1220
803	borderLess console cursorBlink cursorUnderline hold iconic insecure	1221	borderLess buffered console cursorBlink cursorUnderline hold iconic
804	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage	1222	insecure intensityStyles iso14755 iso14755_52 jumpScroll loginShell
		1223	mapAlert meta8 mouseWheelScrollPage override_redirect pastableTabs
805	pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating	1224	pointerBlank reverseVideo scrollBar scrollBar_floating scrollBar_right
806	scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer	1225	scrollTtyKeypress scrollTtyOutput scrollWithBuffer secondaryScreen
807	secondaryScreen secondaryScroll skipBuiltinGlyphs transparent	1226	secondaryScroll skipBuiltinGlyphs skipScroll transparent tripleclickwords
808	tripleclickwords utmpInhibit visualBell	1227	urgentOnBell utmpInhibit visualBell
809		1228
810	=item $value = $term->resource ($name[, $newval])	1229	=item $value = $term->resource ($name[, $newval])
811		1230
812	Returns the current resource value associated with a given name and	1231	Returns the current resource value associated with a given name and
813	optionally sets a new value. Setting values is most useful in the C<init>	1232	optionally sets a new value. Setting values is most useful in the C<init>
…		…
822	likely change).	1241	likely change).
823		1242
824	Please note that resource strings will currently only be freed when the	1243	Please note that resource strings will currently only be freed when the
825	terminal is destroyed, so changing options frequently will eat memory.	1244	terminal is destroyed, so changing options frequently will eat memory.
826		1245
827	Here is a a likely non-exhaustive list of resource names, not all of which	1246	Here is a likely non-exhaustive list of resource names, not all of which
828	are supported in every build, please see the source file F</src/rsinc.h>	1247	are supported in every build, please see the source file F</src/rsinc.h>
829	to see the actual list:	1248	to see the actual list:
830		1249
831	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont	1250	answerbackstring backgroundPixmap backspace_key blurradius
832	borderLess color cursorBlink cursorUnderline cutchars delete_key	1251	boldFont boldItalicFont borderLess buffered chdir color cursorBlink
833	display_name embed ext_bwidth fade font geometry hold iconName	1252	cursorUnderline cutchars delete_key depth display_name embed ext_bwidth
834	imFont imLocale inputMethod insecure int_bwidth intensityStyles	1253	fade font geometry hold iconName iconfile imFont imLocale inputMethod
		1254	insecure int_bwidth intensityStyles iso14755 iso14755_52 italicFont
835	italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier	1255	jumpScroll letterSpace lineSpace loginShell mapAlert meta8 modifier
836	mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2	1256	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
837	perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd	1257	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
838	reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating	1258	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
839	scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput	1259	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
840	scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle	1260	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
841	shade term_name title transparent transparent_all tripleclickwords	1261	secondaryScreen secondaryScroll shade skipBuiltinGlyphs skipScroll
		1262	term_name title transient_for transparent tripleclickwords urgentOnBell
842	utmpInhibit visualBell	1263	utmpInhibit visualBell
843		1264
844	=cut	1265	=cut
845		1266
846	sub resource($$;$) {	1267	sub resource($$;$) {
847	my ($self, $name) = (shift, shift);	1268	my ($self, $name) = (shift, shift);
848	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);	1269	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
849	&urxvt::term::_resource	1270	goto &urxvt::term::_resource
850	}	1271	}
851		1272
852	=item $success = $term->parse_keysym ($keysym_spec, $command_string)	1273	=item $value = $term->x_resource ($pattern)
853		1274
		1275	Returns the X-Resource for the given pattern, excluding the program or
		1276	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
		1277	same value as used by this instance of rxvt-unicode. Returns C<undef> if no
		1278	resource with that pattern exists.
		1279
		1280	Extensions that define extra resources also need to call this method
		1281	to access their values.
		1282
		1283	If the method is called on an extension object (basically, from an
		1284	extension), then the special prefix C<%.> will be replaced by the name of
		1285	the extension and a dot, and the lone string C<%> will be replaced by the
		1286	extension name itself. This makes it possible to code extensions so you
		1287	can rename them and get a new set of commandline switches and resources
		1288	without having to change the actual code.
		1289
		1290	This method should only be called during the C<on_start> hook, as there is
		1291	only one resource database per display, and later invocations might return
		1292	the wrong resources.
		1293
		1294	=item $value = $term->x_resource_boolean ($pattern)
		1295
		1296	Like C<x_resource>, above, but interprets the string value as a boolean
		1297	and returns C<1> for true values, C<0> for false values and C<undef> if
		1298	the resource or option isn't specified.
		1299
		1300	You should always use this method to parse boolean resources.
		1301
		1302	=cut
		1303
		1304	sub x_resource_boolean {
		1305	my $res = &x_resource;
		1306
		1307	$res =~ /^\s*(?:true|yes|on|1)\s*$/i ? 1 : defined $res && 0
		1308	}
		1309
		1310	=item $success = $term->bind_action ($key, $octets)
		1311
854	Adds a keymap translation exactly as specified via a resource. See the	1312	Adds a key binding exactly as specified via a C<keysym> resource. See the
855	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.	1313	C<keysym> resource in the urxvt(1) manpage.
856		1314
857	=item $rend = $term->rstyle ([$new_rstyle])	1315	=item $rend = $term->rstyle ([$new_rstyle])
858		1316
859	Return and optionally change the current rendition. Text that is output by	1317	Return and optionally change the current rendition. Text that is output by
860	the terminal application will use this style.	1318	the terminal application will use this style.
…		…
868		1326
869	=item ($row, $col) = $term->selection_beg ([$row, $col])	1327	=item ($row, $col) = $term->selection_beg ([$row, $col])
870		1328
871	=item ($row, $col) = $term->selection_end ([$row, $col])	1329	=item ($row, $col) = $term->selection_end ([$row, $col])
872		1330
873	Return the current values of the selection mark, begin or end positions,	1331	Return the current values of the selection mark, begin or end positions.
874	and optionally set them to new values.
875		1332
		1333	When arguments are given, then the selection coordinates are set to
		1334	C<$row> and C<$col>, and the selection screen is set to the current
		1335	screen.
		1336
		1337	=item $screen = $term->selection_screen ([$screen])
		1338
		1339	Returns the current selection screen, and then optionally sets it.
		1340
		1341	=item $term->selection_make ($eventtime[, $rectangular])
		1342
		1343	Tries to make a selection as set by C<selection_beg> and
		1344	C<selection_end>. If C<$rectangular> is true (default: false), a
		1345	rectangular selection will be made. This is the preferred function to make
		1346	a selection.
		1347
876	=item $success = $term->selection_grab ($eventtime)	1348	=item $success = $term->selection_grab ($eventtime[, $clipboard])
877		1349
878	Try to request the primary selection from the server (for example, as set	1350	Try to acquire ownership of the primary (clipboard if C<$clipboard> is
879	by the next method).	1351	true) selection from the server. The corresponding text can be set
		1352	with the next method. No visual feedback will be given. This function
		1353	is mostly useful from within C<on_sel_grab> hooks.
880		1354
881	=item $oldtext = $term->selection ([$newtext])	1355	=item $oldtext = $term->selection ([$newtext, $clipboard])
882		1356
883	Return the current selection text and optionally replace it by C<$newtext>.	1357	Return the current selection (clipboard if C<$clipboard> is true) text
		1358	and optionally replace it by C<$newtext>.
		1359
		1360	=item $term->selection_clear ([$clipboard])
		1361
		1362	Revoke ownership of the primary (clipboard if C<$clipboard> is true) selection.
884		1363
885	=item $term->overlay_simple ($x, $y, $text)	1364	=item $term->overlay_simple ($x, $y, $text)
886		1365
887	Create a simple multi-line overlay box. See the next method for details.	1366	Create a simple multi-line overlay box. See the next method for details.
888		1367
…		…
918		1397
919	The methods currently supported on C<urxvt::overlay> objects are:	1398	The methods currently supported on C<urxvt::overlay> objects are:
920		1399
921	=over 4	1400	=over 4
922		1401
923	=item $overlay->set ($x, $y, $text, $rend)	1402	=item $overlay->set ($x, $y, $text[, $rend])
924		1403
925	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts	1404	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts
926	text in rxvt-unicode's special encoding and an array of rendition values	1405	text in rxvt-unicode's special encoding and an array of rendition values
927	at a specific position inside the overlay.	1406	at a specific position inside the overlay.
		1407
		1408	If C<$rend> is missing, then the rendition will not be changed.
928		1409
929	=item $overlay->hide	1410	=item $overlay->hide
930		1411
931	If visible, hide the overlay, but do not destroy it.	1412	If visible, hide the overlay, but do not destroy it.
932		1413
…		…
977	Convert the given locale-encoded octets into a perl string.	1458	Convert the given locale-encoded octets into a perl string.
978		1459
979	=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])	1460	=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])
980		1461
981	XORs the rendition values in the given span with the provided value	1462	XORs the rendition values in the given span with the provided value
982	(default: C<RS_RVid>). Useful in refresh hooks to provide effects similar	1463	(default: C<RS_RVid>), which I<MUST NOT> contain font styles. Useful in
983	to the selection.	1464	refresh hooks to provide effects similar to the selection.
984		1465
985	=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])	1466	=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])
986		1467
987	Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing	1468	Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing
988	whitespace will additionally be xored with the C<$rstyle2>, which defaults	1469	whitespace will additionally be xored with the C<$rstyle2>, which defaults
989	to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines	1470	to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines
990	it instead.	1471	it instead. Both styles I<MUST NOT> contain font styles.
991		1472
992	=item $term->scr_bell	1473	=item $term->scr_bell
993		1474
994	Ring the bell!	1475	Ring the bell!
995		1476
…		…
1002		1483
1003	Normally its not a good idea to use this function, as programs might be	1484	Normally its not a good idea to use this function, as programs might be
1004	confused by changes in cursor position or scrolling. Its useful inside a	1485	confused by changes in cursor position or scrolling. Its useful inside a
1005	C<on_add_lines> hook, though.	1486	C<on_add_lines> hook, though.
1006		1487
		1488	=item $term->scr_change_screen ($screen)
		1489
		1490	Switch to given screen - 0 primary, 1 secondary.
		1491
1007	=item $term->cmd_parse ($octets)	1492	=item $term->cmd_parse ($octets)
1008		1493
1009	Similar to C<scr_add_lines>, but the argument must be in the	1494	Similar to C<scr_add_lines>, but the argument must be in the
1010	locale-specific encoding of the terminal and can contain command sequences	1495	locale-specific encoding of the terminal and can contain command sequences
1011	(escape codes) that will be interpreted.	1496	(escape codes) that will be interpreted.
1012		1497
1013	=item $term->tt_write ($octets)	1498	=item $term->tt_write ($octets)
1014		1499
1015	Write the octets given in C<$data> to the tty (i.e. as program input). To	1500	Write the octets given in C<$octets> to the tty (i.e. as program input). To
1016	pass characters instead of octets, you should convert your strings first	1501	pass characters instead of octets, you should convert your strings first
1017	to the locale-specific encoding using C<< $term->locale_encode >>.	1502	to the locale-specific encoding using C<< $term->locale_encode >>.
		1503
		1504	=item $term->tt_write_user_input ($octets)
		1505
		1506	Like C<tt_write>, but should be used when writing strings in response to
		1507	the user pressing a key, to invoke the additional actions requested by
		1508	the user for that case (C<tt_write> doesn't do that).
		1509
		1510	The typical use case would be inside C<on_action> hooks.
		1511
		1512	=item $term->tt_paste ($octets)
		1513
		1514	Write the octets given in C<$octets> to the tty as a paste, converting NL to
		1515	CR and bracketing the data with control sequences if bracketed paste mode
		1516	is set.
1018		1517
1019	=item $old_events = $term->pty_ev_events ([$new_events])	1518	=item $old_events = $term->pty_ev_events ([$new_events])
1020		1519
1021	Replaces the event mask of the pty watcher by the given event mask. Can	1520	Replaces the event mask of the pty watcher by the given event mask. Can
1022	be used to suppress input and output handling to the pty/tty. See the	1521	be used to suppress input and output handling to the pty/tty. See the
1023	description of C<< urxvt::timer->events >>. Make sure to always restore	1522	description of C<< urxvt::timer->events >>. Make sure to always restore
1024	the previous value.	1523	the previous value.
1025		1524
		1525	=item $fd = $term->pty_fd
		1526
		1527	Returns the master file descriptor for the pty in use, or C<-1> if no pty
		1528	is used.
		1529
1026	=item $windowid = $term->parent	1530	=item $windowid = $term->parent
1027		1531
1028	Return the window id of the toplevel window.	1532	Return the window id of the toplevel window.
1029		1533
1030	=item $windowid = $term->vt	1534	=item $windowid = $term->vt
1031		1535
1032	Return the window id of the terminal window.	1536	Return the window id of the terminal window.
1033		1537
		1538	=item $term->vt_emask_add ($x_event_mask)
		1539
		1540	Adds the specified events to the vt event mask. Useful e.g. when you want
		1541	to receive pointer events all the times:
		1542
		1543	$term->vt_emask_add (urxvt::PointerMotionMask);
		1544
		1545	=item $term->set_urgency ($set)
		1546
		1547	Enable/disable the urgency hint on the toplevel window.
		1548
		1549	=item $term->focus_in
		1550
		1551	=item $term->focus_out
		1552
		1553	=item $term->key_press ($state, $keycode[, $time])
		1554
		1555	=item $term->key_release ($state, $keycode[, $time])
		1556
		1557	Deliver various fake events to to terminal.
		1558
1034	=item $window_width = $term->width	1559	=item $window_width = $term->width
1035		1560
1036	=item $window_height = $term->height	1561	=item $window_height = $term->height
1037		1562
1038	=item $font_width = $term->fwidth	1563	=item $font_width = $term->fwidth
…		…
1051		1576
1052	=item $max_scrollback = $term->saveLines	1577	=item $max_scrollback = $term->saveLines
1053		1578
1054	=item $nrow_plus_saveLines = $term->total_rows	1579	=item $nrow_plus_saveLines = $term->total_rows
1055		1580
1056	=item $lines_in_scrollback = $term->nsaved	1581	=item $topmost_scrollback_row = $term->top_row
1057		1582
1058	Return various integers describing terminal characteristics.	1583	Return various integers describing terminal characteristics.
1059		1584
		1585	=item $x_display = $term->display_id
		1586
		1587	Return the DISPLAY used by rxvt-unicode.
		1588
1060	=item $lc_ctype = $term->locale	1589	=item $lc_ctype = $term->locale
1061		1590
1062	Returns the LC_CTYPE category string used by this rxvt-unicode.	1591	Returns the LC_CTYPE category string used by this rxvt-unicode.
1063		1592
1064	=item $x_display = $term->display_id	1593	=item $env = $term->env
1065		1594
1066	Return the DISPLAY used by rxvt-unicode.	1595	Returns a copy of the environment in effect for the terminal as a hashref
		1596	similar to C<\%ENV>.
		1597
		1598	=item @envv = $term->envv
		1599
		1600	Returns the environment as array of strings of the form C<VAR=VALUE>.
		1601
		1602	=item @argv = $term->argv
		1603
		1604	Return the argument vector as this terminal, similar to @ARGV, but
		1605	includes the program name as first element.
		1606
		1607	=cut
		1608
		1609	sub env {
		1610	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), $_[0]->envv }
		1611	}
1067		1612
1068	=item $modifiermask = $term->ModLevel3Mask	1613	=item $modifiermask = $term->ModLevel3Mask
1069		1614
1070	=item $modifiermask = $term->ModMetaMask	1615	=item $modifiermask = $term->ModMetaMask
1071		1616
1072	=item $modifiermask = $term->ModNumLockMask	1617	=item $modifiermask = $term->ModNumLockMask
1073		1618
1074	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often	1619	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
1075	AltGr), the meta key (often Alt) and the num lock key, if applicable.	1620	AltGr), the meta key (often Alt) and the num lock key, if applicable.
1076		1621
		1622	=item $screen = $term->current_screen
		1623
		1624	Returns the currently displayed screen (0 primary, 1 secondary).
		1625
		1626	=item $cursor_is_hidden = $term->hidden_cursor
		1627
		1628	Returns whether the cursor is currently hidden or not.
		1629
1077	=item $view_start = $term->view_start ([$newvalue])	1630	=item $view_start = $term->view_start ([$newvalue])
1078		1631
1079	Returns the negative row number of the topmost line. Minimum value is	1632	Returns the row number of the topmost displayed line. Maximum value is
1080	C<0>, which displays the normal terminal contents. Larger values scroll	1633	C<0>, which displays the normal terminal contents. Lower values scroll
1081	this many lines into the scrollback buffer.	1634	this many lines into the scrollback buffer.
1082		1635
1083	=item $term->want_refresh	1636	=item $term->want_refresh
1084		1637
1085	Requests a screen refresh. At the next opportunity, rxvt-unicode will	1638	Requests a screen refresh. At the next opportunity, rxvt-unicode will
…		…
1088		1641
1089	Used after changing terminal contents to display them.	1642	Used after changing terminal contents to display them.
1090		1643
1091	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])	1644	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
1092		1645
1093	Returns the text of the entire row with number C<$row_number>. Row C<0>	1646	Returns the text of the entire row with number C<$row_number>. Row C<< $term->top_row >>
1094	is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost	1647	is the topmost terminal line, row C<< $term->nrow-1 >> is the bottommost
1095	terminal line. The scrollback buffer starts at line C<-1> and extends to
1096	line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line	1648	terminal line. Nothing will be returned if a nonexistent line
1097	is requested.	1649	is requested.
1098		1650
1099	If C<$new_text> is specified, it will replace characters in the current	1651	If C<$new_text> is specified, it will replace characters in the current
1100	line, starting at column C<$start_col> (default C<0>), which is useful	1652	line, starting at column C<$start_col> (default C<0>), which is useful
1101	to replace only parts of a line. The font index in the rendition will	1653	to replace only parts of a line. The font index in the rendition will
1102	automatically be updated.	1654	automatically be updated.
1103		1655
1104	C<$text> is in a special encoding: tabs and wide characters that use more	1656	C<$text> is in a special encoding: tabs and wide characters that use more
1105	than one cell when displayed are padded with urxvt::NOCHAR characters	1657	than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
1106	(C<chr 65535>). Characters with combining characters and other characters	1658	characters. Characters with combining characters and other characters that
1107	that do not fit into the normal tetx encoding will be replaced with	1659	do not fit into the normal text encoding will be replaced with characters
1108	characters in the private use area.	1660	in the private use area.
1109		1661
1110	You have to obey this encoding when changing text. The advantage is	1662	You have to obey this encoding when changing text. The advantage is
1111	that C<substr> and similar functions work on screen cells and not on	1663	that C<substr> and similar functions work on screen cells and not on
1112	characters.	1664	characters.
1113		1665
…		…
1164	Return the row number of the first/last row of the line, respectively.	1716	Return the row number of the first/last row of the line, respectively.
1165		1717
1166	=item $offset = $line->offset_of ($row, $col)	1718	=item $offset = $line->offset_of ($row, $col)
1167		1719
1168	Returns the character offset of the given row|col pair within the logical	1720	Returns the character offset of the given row|col pair within the logical
1169	line.	1721	line. Works for rows outside the line, too, and returns corresponding
		1722	offsets outside the string.
1170		1723
1171	=item ($row, $col) = $line->coord_of ($offset)	1724	=item ($row, $col) = $line->coord_of ($offset)
1172		1725
1173	Translates a string offset into terminal coordinates again.	1726	Translates a string offset into terminal coordinates again.
1174		1727
…		…
1196	}	1749	}
1197		1750
1198	sub urxvt::line::t {	1751	sub urxvt::line::t {
1199	my ($self) = @_;	1752	my ($self) = @_;
1200		1753
1201	if (@_ > 1)	1754	if (@_ > 1) {
1202	{
1203	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1755	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1204	for $self->{beg} .. $self->{end};	1756	for $self->{beg} .. $self->{end};
1205	}	1757	}
1206		1758
1207	defined wantarray &&	1759	defined wantarray &&
1208	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),	1760	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),
1209	0, $self->{len}	1761	0, $self->{len}
1210	}	1762	}
1211		1763
1212	sub urxvt::line::r {	1764	sub urxvt::line::r {
1213	my ($self) = @_;	1765	my ($self) = @_;
1214		1766
1215	if (@_ > 1)	1767	if (@_ > 1) {
1216	{
1217	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1768	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1218	for $self->{beg} .. $self->{end};	1769	for $self->{beg} .. $self->{end};
1219	}	1770	}
1220		1771
1221	if (defined wantarray) {	1772	if (defined wantarray) {
1222	my $rend = [	1773	my $rend = [
1223	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}	1774	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}
1224	];	1775	];
…		…
1256	where one character corresponds to one screen cell. See	1807	where one character corresponds to one screen cell. See
1257	C<< $term->ROW_t >> for details.	1808	C<< $term->ROW_t >> for details.
1258		1809
1259	=item $string = $term->special_decode $text	1810	=item $string = $term->special_decode $text
1260		1811
1261	Converts rxvt-unicodes text reprsentation into a perl string. See	1812	Converts rxvt-unicodes text representation into a perl string. See
1262	C<< $term->ROW_t >> for details.	1813	C<< $term->ROW_t >> for details.
1263		1814
1264	=item $success = $term->grab_button ($button, $modifiermask)	1815	=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
1265		1816
		1817	=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
		1818
1266	Registers a synchronous button grab. See the XGrabButton manpage.	1819	Register/unregister a synchronous button grab. See the XGrabButton
		1820	manpage.
1267		1821
1268	=item $success = $term->grab ($eventtime[, $sync])	1822	=item $success = $term->grab ($eventtime[, $sync])
1269		1823
1270	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or	1824	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1271	synchronous (C<$sync> is true). Also remembers the grab timestampe.	1825	synchronous (C<$sync> is true). Also remembers the grab timestamp.
1272		1826
1273	=item $term->allow_events_async	1827	=item $term->allow_events_async
1274		1828
1275	Calls XAllowEvents with AsyncBoth for the most recent grab.	1829	Calls XAllowEvents with AsyncBoth for the most recent grab.
1276		1830
…		…
1283	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most	1837	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
1284	recent grab.	1838	recent grab.
1285		1839
1286	=item $term->ungrab	1840	=item $term->ungrab
1287		1841
1288	Calls XUngrab for the most recent grab. Is called automatically on	1842	Calls XUngrabPointer and XUngrabKeyboard for the most recent grab. Is called automatically on
1289	evaluation errors, as it is better to lose the grab in the error case as	1843	evaluation errors, as it is better to lose the grab in the error case as
1290	the session.	1844	the session.
		1845
		1846	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
		1847
		1848	=item $atom_name = $term->XGetAtomName ($atom)
		1849
		1850	=item @atoms = $term->XListProperties ($window)
		1851
		1852	=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
		1853
		1854	=item $term->XChangeProperty ($window, $property, $type, $format, $octets)
		1855
		1856	=item $term->XDeleteProperty ($window, $property)
		1857
		1858	=item $window = $term->DefaultRootWindow
		1859
		1860	=item $term->XReparentWindow ($window, $parent, [$x, $y])
		1861
		1862	=item $term->XMapWindow ($window)
		1863
		1864	=item $term->XUnmapWindow ($window)
		1865
		1866	=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
		1867
		1868	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
		1869
		1870	=item $term->XChangeInput ($window, $add_events[, $del_events])
		1871
		1872	=item $keysym = $term->XStringToKeysym ($string)
		1873
		1874	=item $string = $term->XKeysymToString ($keysym)
		1875
		1876	Various X or X-related functions. The C<$term> object only serves as
		1877	the source of the display, otherwise those functions map more-or-less
		1878	directly onto the X functions of the same name.
1291		1879
1292	=back	1880	=back
1293		1881
1294	=cut	1882	=cut
1295		1883
…		…
1359	my ($self, $text, $cb) = @_;	1947	my ($self, $text, $cb) = @_;
1360		1948
1361	$self->add_item ({ type => "button", text => $text, activate => $cb});	1949	$self->add_item ({ type => "button", text => $text, activate => $cb});
1362	}	1950	}
1363		1951
1364	=item $popup->add_toggle ($text, $cb, $initial_value)	1952	=item $popup->add_toggle ($text, $initial_value, $cb)
1365		1953
1366	Adds a toggle/checkbox item to the popup. Teh callback gets called	1954	Adds a toggle/checkbox item to the popup. The callback gets called
1367	whenever it gets toggled, with a boolean indicating its value as its first	1955	whenever it gets toggled, with a boolean indicating its new value as its
1368	argument.	1956	first argument.
1369		1957
1370	=cut	1958	=cut
1371		1959
1372	sub add_toggle {	1960	sub add_toggle {
1373	my ($self, $text, $cb, $value) = @_;	1961	my ($self, $text, $value, $cb) = @_;
1374		1962
1375	my $item; $item = {	1963	my $item; $item = {
1376	type => "button",	1964	type => "button",
1377	text => " $text",	1965	text => " $text",
1378	value => $value,	1966	value => $value,
…		…
1392	sub show {	1980	sub show {
1393	my ($self) = @_;	1981	my ($self) = @_;
1394		1982
1395	local $urxvt::popup::self = $self;	1983	local $urxvt::popup::self = $self;
1396		1984
		1985	my $env = $self->{term}->env;
		1986	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
		1987	delete $env->{LC_ALL};
1397	local $ENV{LC_ALL} = $self->{term}->locale;	1988	$env->{LC_CTYPE} = $self->{term}->locale;
1398		1989
1399	urxvt->new ("--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0,	1990	my $term = urxvt::term->new (
		1991	$env, "popup",
		1992	"--perl-lib" => "", "--perl-ext-common" => "",
		1993	"-pty-fd" => -1, "-sl" => 0,
		1994	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1400	"--transient-for" => $self->{term}->parent,	1995	"--transient-for" => $self->{term}->parent,
1401	"-display" => $self->{term}->display_id,	1996	"-display" => $self->{term}->display_id,
1402	"-pe" => "urxvt-popup")	1997	"-pe" => "urxvt-popup",
1403	or die "unable to create popup window\n";	1998	) or die "unable to create popup window\n";
		1999
		2000	unless (delete $term->{urxvt_popup_init_done}) {
		2001	$term->ungrab;
		2002	$term->destroy;
		2003	die "unable to initialise popup window\n";
		2004	}
1404	}	2005	}
1405		2006
1406	sub DESTROY {	2007	sub DESTROY {
1407	my ($self) = @_;	2008	my ($self) = @_;
1408		2009
1409	delete $self->{term}{_destroy}{$self};	2010	delete $self->{term}{_destroy}{$self};
1410	$self->{term}->ungrab;	2011	$self->{term}->ungrab;
1411	}	2012	}
		2013
		2014	=back
		2015
		2016	=cut
		2017
		2018	package urxvt::watcher;
1412		2019
1413	=head2 The C<urxvt::timer> Class	2020	=head2 The C<urxvt::timer> Class
1414		2021
1415	This class implements timer watchers/events. Time is represented as a	2022	This class implements timer watchers/events. Time is represented as a
1416	fractional number of seconds since the epoch. Example:	2023	fractional number of seconds since the epoch. Example:
…		…
1420	->new	2027	->new
1421	->interval (1)	2028	->interval (1)
1422	->cb (sub {	2029	->cb (sub {
1423	$term->{overlay}->set (0, 0,	2030	$term->{overlay}->set (0, 0,
1424	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);	2031	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
1425	});	2032	});
1426		2033
1427	=over 4	2034	=over 4
1428		2035
1429	=item $timer = new urxvt::timer	2036	=item $timer = new urxvt::timer
1430		2037
…		…
1433		2040
1434	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })	2041	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })
1435		2042
1436	Set the callback to be called when the timer triggers.	2043	Set the callback to be called when the timer triggers.
1437		2044
1438	=item $tstamp = $timer->at
1439
1440	Return the time this watcher will fire next.
1441
1442	=item $timer = $timer->set ($tstamp)	2045	=item $timer = $timer->set ($tstamp[, $interval])
1443		2046
1444	Set the time the event is generated to $tstamp.	2047	Set the time the event is generated to $tstamp (and optionally specifies a
		2048	new $interval).
1445		2049
1446	=item $timer = $timer->interval ($interval)	2050	=item $timer = $timer->interval ($interval)
1447		2051
1448	Normally (and when C<$interval> is C<0>), the timer will automatically	2052	By default (and when C<$interval> is C<0>), the timer will automatically
1449	stop after it has fired once. If C<$interval> is non-zero, then the timer	2053	stop after it has fired once. If C<$interval> is non-zero, then the timer
1450	is automatically rescheduled at the given intervals.	2054	is automatically rescheduled at the given intervals.
1451		2055
1452	=item $timer = $timer->start	2056	=item $timer = $timer->start
1453		2057
1454	Start the timer.	2058	Start the timer.
1455		2059
1456	=item $timer = $timer->start ($tstamp)	2060	=item $timer = $timer->start ($tstamp[, $interval])
1457		2061
1458	Set the event trigger time to C<$tstamp> and start the timer.	2062	Set the event trigger time to C<$tstamp> and start the timer. Optionally
		2063	also replaces the interval.
		2064
		2065	=item $timer = $timer->after ($delay[, $interval])
		2066
		2067	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1459		2068
1460	=item $timer = $timer->stop	2069	=item $timer = $timer->stop
1461		2070
1462	Stop the timer.	2071	Stop the timer.
1463		2072
…		…
1469		2078
1470	$term->{socket} = ...	2079	$term->{socket} = ...
1471	$term->{iow} = urxvt::iow	2080	$term->{iow} = urxvt::iow
1472	->new	2081	->new
1473	->fd (fileno $term->{socket})	2082	->fd (fileno $term->{socket})
1474	->events (urxvt::EVENT_READ)	2083	->events (urxvt::EV_READ)
1475	->start	2084	->start
1476	->cb (sub {	2085	->cb (sub {
1477	my ($iow, $revents) = @_;	2086	my ($iow, $revents) = @_;
1478	# $revents must be 1 here, no need to check	2087	# $revents must be 1 here, no need to check
1479	sysread $term->{socket}, my $buf, 8192	2088	sysread $term->{socket}, my $buf, 8192
…		…
1492	Set the callback to be called when io events are triggered. C<$reventmask>	2101	Set the callback to be called when io events are triggered. C<$reventmask>
1493	is a bitset as described in the C<events> method.	2102	is a bitset as described in the C<events> method.
1494		2103
1495	=item $iow = $iow->fd ($fd)	2104	=item $iow = $iow->fd ($fd)
1496		2105
1497	Set the filedescriptor (not handle) to watch.	2106	Set the file descriptor (not handle) to watch.
1498		2107
1499	=item $iow = $iow->events ($eventmask)	2108	=item $iow = $iow->events ($eventmask)
1500		2109
1501	Set the event mask to watch. The only allowed values are	2110	Set the event mask to watch. The only allowed values are
1502	C<urxvt::EVENT_READ> and C<urxvt::EVENT_WRITE>, which might be ORed	2111	C<urxvt::EV_READ> and C<urxvt::EV_WRITE>, which might be ORed
1503	together, or C<urxvt::EVENT_NONE>.	2112	together, or C<urxvt::EV_NONE>.
1504		2113
1505	=item $iow = $iow->start	2114	=item $iow = $iow->start
1506		2115
1507	Start watching for requested events on the given handle.	2116	Start watching for requested events on the given handle.
1508		2117
1509	=item $iow = $iow->stop	2118	=item $iow = $iow->stop
1510		2119
1511	Stop watching for events on the given filehandle.	2120	Stop watching for events on the given file handle.
		2121
		2122	=back
		2123
		2124	=head2 The C<urxvt::iw> Class
		2125
		2126	This class implements idle watchers, that get called automatically when
		2127	the process is idle. They should return as fast as possible, after doing
		2128	some useful work.
		2129
		2130	=over 4
		2131
		2132	=item $iw = new urxvt::iw
		2133
		2134	Create a new idle watcher object in stopped state.
		2135
		2136	=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
		2137
		2138	Set the callback to be called when the watcher triggers.
		2139
		2140	=item $timer = $timer->start
		2141
		2142	Start the watcher.
		2143
		2144	=item $timer = $timer->stop
		2145
		2146	Stop the watcher.
		2147
		2148	=back
		2149
		2150	=head2 The C<urxvt::pw> Class
		2151
		2152	This class implements process watchers. They create an event whenever a
		2153	process exits, after which they stop automatically.
		2154
		2155	my $pid = fork;
		2156	...
		2157	$term->{pw} = urxvt::pw
		2158	->new
		2159	->start ($pid)
		2160	->cb (sub {
		2161	my ($pw, $exit_status) = @_;
		2162	...
		2163	});
		2164
		2165	=over 4
		2166
		2167	=item $pw = new urxvt::pw
		2168
		2169	Create a new process watcher in stopped state.
		2170
		2171	=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
		2172
		2173	Set the callback to be called when the timer triggers.
		2174
		2175	=item $pw = $timer->start ($pid)
		2176
		2177	Tells the watcher to start watching for process C<$pid>.
		2178
		2179	=item $pw = $pw->stop
		2180
		2181	Stop the watcher.
1512		2182
1513	=back	2183	=back
1514		2184
1515	=head1 ENVIRONMENT	2185	=head1 ENVIRONMENT
1516		2186
…		…
1523		2193
1524	=item == 0 - fatal messages	2194	=item == 0 - fatal messages
1525		2195
1526	=item >= 3 - script loading and management	2196	=item >= 3 - script loading and management
1527		2197
1528	=item >=10 - all events received	2198	=item >=10 - all called hooks
		2199
		2200	=item >=11 - hook return values
1529		2201
1530	=back	2202	=back
1531		2203
1532	=head1 AUTHOR	2204	=head1 AUTHOR
1533		2205
1534	Marc Lehmann <pcg@goof.com>	2206	Marc Lehmann <schmorp@schmorp.de>
1535	http://software.schmorp.de/pkg/rxvt-unicode	2207	http://software.schmorp.de/pkg/rxvt-unicode
1536		2208
1537	=cut	2209	=cut
1538		2210
1539	1	2211	1
		2212
		2213	# vim: sw=3:

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