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Revision 1.84 by root, Thu Jan 12 02:20:56 2006 UTC vs.
Revision 1.229 by root, Sat Apr 26 18:53:51 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 middle-clicked, the program specified in the
91	resource 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<< ->register_keysym_action >> method.
		294
		295	=item on_register_command $term, $keysym, $modifiermask, $string
		296
		297	Called after parsing a keysym resource but before registering the
		298	associated binding. If this hook returns a true value the binding
		299	is not registered. It can be used to modify a binding by calling
		300	C<register_command>.
		301
		302	=item on_resize_all_windows $term, $new_width, $new_height
		303
		304	Called just after the new window size has been calculated, but before
		305	windows are actually being resized or hints are being set. If this hook
		306	returns a true value, setting of the window hints is being skipped.
		307
		308	=item on_x_event $term, $event
		309
		310	Called on every X event received on the vt window (and possibly other
		311	windows). Should only be used as a last resort. Most event structure
		312	members are not passed.
		313
		314	=item on_root_event $term, $event
		315
		316	Like C<on_x_event>, but is called for events on the root window.
311		317
312	=item on_focus_in $term	318	=item on_focus_in $term
313		319
314	Called whenever the window gets the keyboard focus, before rxvt-unicode	320	Called whenever the window gets the keyboard focus, before rxvt-unicode
315	does focus in processing.	321	does focus in processing.
316		322
317	=item on_focus_out $term	323	=item on_focus_out $term
318		324
319	Called wheneever the window loses keyboard focus, before rxvt-unicode does	325	Called whenever the window loses keyboard focus, before rxvt-unicode does
320	focus out processing.	326	focus out processing.
321		327
		328	=item on_configure_notify $term, $event
		329
		330	=item on_property_notify $term, $event
		331
322	=item on_key_press $term, $event, $keysym, $octets	332	=item on_key_press $term, $event, $keysym, $octets
323		333
324	=item on_key_release $term, $event, $keysym	334	=item on_key_release $term, $event, $keysym
325		335
326	=item on_button_press $term, $event	336	=item on_button_press $term, $event
…		…
331		341
332	=item on_map_notify $term, $event	342	=item on_map_notify $term, $event
333		343
334	=item on_unmap_notify $term, $event	344	=item on_unmap_notify $term, $event
335		345
336	Called whenever the corresponding X event is received for the terminal If	346	Called whenever the corresponding X event is received for the terminal. If
337	the hook returns true, then the even will be ignored by rxvt-unicode.	347	the hook returns true, then the event will be ignored by rxvt-unicode.
338		348
339	The event is a hash with most values as named by Xlib (see the XEvent	349	The event is a hash with most values as named by Xlib (see the XEvent
340	manpage), with the additional members C<row> and C<col>, which are the row	350	manpage), with the additional members C<row> and C<col>, which are the
341	and column under the mouse cursor.	351	(real, not screen-based) row and column under the mouse cursor.
342		352
343	C<on_key_press> additionally receives the string rxvt-unicode would	353	C<on_key_press> additionally receives the string rxvt-unicode would
344	output, if any, in locale-specific encoding.	354	output, if any, in locale-specific encoding.
345		355
346	subwindow.	356	subwindow.
347		357
		358	=item on_client_message $term, $event
		359
		360	=item on_wm_protocols $term, $event
		361
		362	=item on_wm_delete_window $term, $event
		363
		364	Called when various types of ClientMessage events are received (all with
		365	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
		366
		367	=item on_bell $term
		368
		369	Called on receipt of a bell character.
		370
348	=back	371	=back
349		372
350	=cut	373	=cut
351		374
352	package urxvt;	375	package urxvt;
353		376
354	use utf8;	377	use utf8;
355	use strict;	378	use strict 'vars';
356	use Carp ();	379	use Carp ();
357	use Scalar::Util ();	380	use Scalar::Util ();
358	use List::Util ();	381	use List::Util ();
359		382
360	our $VERSION = 1;	383	our $VERSION = 1;
361	our $TERM;	384	our $TERM;
		385	our @TERM_INIT; # should go, prevents async I/O etc.
		386	our @TERM_EXT; # should go, prevents async I/O etc.
362	our @HOOKNAME;	387	our @HOOKNAME;
363	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;	388	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
364	our %OPTION;	389	our %OPTION;
365		390
366	our $LIBDIR;	391	our $LIBDIR;
367	our $RESNAME;	392	our $RESNAME;
368	our $RESCLASS;	393	our $RESCLASS;
369	our $RXVTNAME;	394	our $RXVTNAME;
370		395
		396	our $NOCHAR = chr 0xffff;
		397
371	=head2 Variables in the C<urxvt> Package	398	=head2 Variables in the C<urxvt> Package
372		399
373	=over 4	400	=over 4
374		401
375	=item $urxvt::LIBDIR	402	=item $urxvt::LIBDIR
…		…
388	=item $urxvt::TERM	415	=item $urxvt::TERM
389		416
390	The current terminal. This variable stores the current C<urxvt::term>	417	The current terminal. This variable stores the current C<urxvt::term>
391	object, whenever a callback/hook is executing.	418	object, whenever a callback/hook is executing.
392		419
		420	=item @urxvt::TERM_INIT
		421
		422	All code references in this array will be called as methods of the next newly
		423	created C<urxvt::term> object (during the C<on_init> phase). The array
		424	gets cleared before the code references that were in it are being executed,
		425	so references can push themselves onto it again if they so desire.
		426
		427	This complements to the perl-eval command line option, but gets executed
		428	first.
		429
		430	=item @urxvt::TERM_EXT
		431
		432	Works similar to C<@TERM_INIT>, but contains perl package/class names, which
		433	get registered as normal extensions after calling the hooks in C<@TERM_INIT>
		434	but before other extensions. Gets cleared just like C<@TERM_INIT>.
		435
393	=back	436	=back
394		437
395	=head2 Functions in the C<urxvt> Package	438	=head2 Functions in the C<urxvt> Package
396		439
397	=over 4	440	=over 4
398		441
399	=item urxvt::fatal $errormessage	442	=item urxvt::fatal $errormessage
400		443
401	Fatally aborts execution with the given error message. Avoid at all	444	Fatally aborts execution with the given error message (which should
402	costs! The only time this is acceptable is when the terminal process	445	include a trailing newline). Avoid at all costs! The only time this
403	starts up.	446	is acceptable (and useful) is in the init hook, where it prevents the
		447	terminal from starting up.
404		448
405	=item urxvt::warn $string	449	=item urxvt::warn $string
406		450
407	Calls C<rxvt_warn> with the given string which should not include a	451	Calls C<rxvt_warn> with the given string which should include a trailing
408	newline. The module also overwrites the C<warn> builtin with a function	452	newline. The module also overwrites the C<warn> builtin with a function
409	that calls this function.	453	that calls this function.
410		454
411	Using this function has the advantage that its output ends up in the	455	Using this function has the advantage that its output ends up in the
412	correct place, e.g. on stderr of the connecting urxvtc client.	456	correct place, e.g. on stderr of the connecting urxvtc client.
413		457
414	Messages have a size limit of 1023 bytes currently.	458	Messages have a size limit of 1023 bytes currently.
415		459
416	=item $is_safe = urxvt::safe	460	=item @terms = urxvt::termlist
417		461
418	Returns true when it is safe to do potentially unsafe things, such as	462	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	463	whether they are started, being destroyed etc., so be careful. Only term
420	started setuid or setgid.	464	objects that have perl extensions attached will be returned (because there
		465	is no urxvt::term object associated with others).
421		466
422	=item $time = urxvt::NOW	467	=item $time = urxvt::NOW
423		468
424	Returns the "current time" (as per the event loop).	469	Returns the "current time" (as per the event loop).
425		470
426	=item urxvt::CurrentTime	471	=item urxvt::CurrentTime
427		472
428	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,	473	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
429	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,	474	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
430	Button4Mask, Button5Mask, AnyModifier	475	Button4Mask, Button5Mask, AnyModifier
		476
		477	=item urxvt::NoEventMask, KeyPressMask, KeyReleaseMask,
		478	ButtonPressMask, ButtonReleaseMask, EnterWindowMask, LeaveWindowMask,
		479	PointerMotionMask, PointerMotionHintMask, Button1MotionMask, Button2MotionMask,
		480	Button3MotionMask, Button4MotionMask, Button5MotionMask, ButtonMotionMask,
		481	KeymapStateMask, ExposureMask, VisibilityChangeMask, StructureNotifyMask,
		482	ResizeRedirectMask, SubstructureNotifyMask, SubstructureRedirectMask,
		483	FocusChangeMask, PropertyChangeMask, ColormapChangeMask, OwnerGrabButtonMask
		484
		485	=item urxvt::KeyPress, KeyRelease, ButtonPress, ButtonRelease, MotionNotify,
		486	EnterNotify, LeaveNotify, FocusIn, FocusOut, KeymapNotify, Expose,
		487	GraphicsExpose, NoExpose, VisibilityNotify, CreateNotify, DestroyNotify,
		488	UnmapNotify, MapNotify, MapRequest, ReparentNotify, ConfigureNotify,
		489	ConfigureRequest, GravityNotify, ResizeRequest, CirculateNotify,
		490	CirculateRequest, PropertyNotify, SelectionClear, SelectionRequest,
		491	SelectionNotify, ColormapNotify, ClientMessage, MappingNotify
431		492
432	Various constants for use in X calls and event processing.	493	Various constants for use in X calls and event processing.
433		494
434	=back	495	=back
435		496
…		…
452		513
453	=item $rend = urxvt::OVERLAY_RSTYLE	514	=item $rend = urxvt::OVERLAY_RSTYLE
454		515
455	Return the rendition mask used for overlays by default.	516	Return the rendition mask used for overlays by default.
456		517
457	=item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline	518	=item $rendbit = urxvt::RS_Bold, urxvt::RS_Italic, urxvt::RS_Blink,
		519	urxvt::RS_RVid, urxvt::RS_Uline
458		520
459	Return the bit that enabled bold, italic, blink, reverse-video and	521	Return the bit that enabled bold, italic, blink, reverse-video and
460	underline, respectively. To enable such a style, just logically OR it into	522	underline, respectively. To enable such a style, just logically OR it into
461	the bitset.	523	the bitset.
462		524
…		…
468		530
469	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour	531	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour
470		532
471	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour	533	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour
472		534
		535	=item $rend = urxvt::SET_COLOR $rend, $new_fg, $new_bg
		536
473	Replace the foreground/background colour in the rendition mask with the	537	Replace the foreground/background colour in the rendition mask with the
474	specified one.	538	specified one.
475		539
476	=item $value = urxvt::GET_CUSTOM $rend	540	=item $value = urxvt::GET_CUSTOM $rend
477		541
…		…
486	=back	550	=back
487		551
488	=cut	552	=cut
489		553
490	BEGIN {	554	BEGIN {
491	urxvt->bootstrap;
492
493	# overwrite perl's warn	555	# overwrite perl's warn
494	*CORE::GLOBAL::warn = sub {	556	*CORE::GLOBAL::warn = sub {
495	my $msg = join "", @_;	557	my $msg = join "", @_;
496	$msg .= "\n"	558	$msg .= "\n"
497	unless $msg =~ /\n$/;	559	unless $msg =~ /\n$/;
498	urxvt::warn ($msg);	560	urxvt::warn ($msg);
499	};	561	};
500
501	# %ENV is the original startup environment
502	delete $ENV{IFS};
503	delete $ENV{CDPATH};
504	delete $ENV{BASH_ENV};
505	$ENV{PATH} = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin:/opt/sbin";
506	}	562	}
507		563
508	my @hook_count;	564	no warnings 'utf8';
		565
		566	sub parse_resource {
		567	my ($term, $name, $isarg, $longopt, $flag, $value) = @_;
		568
		569	$name =~ y/-/./ if $isarg;
		570
		571	$term->scan_meta;
		572
		573	my $r = $term->{meta}{resource};
		574	keys %$r; # reset iterator
		575	while (my ($pattern, $v) = each %$r) {
		576	if (
		577	$pattern =~ /\.$/
		578	? $pattern eq substr $name, 0, length $pattern
		579	: $pattern eq $name
		580	) {
		581	$name = "$urxvt::RESCLASS.$name";
		582
		583	push @{ $term->{perl_ext_3} }, $v->[0];
		584
		585	if ($v->[1] eq "boolean") {
		586	$term->put_option_db ($name, $flag ? "true" : "false");
		587	return 1;
		588	} else {
		589	$term->put_option_db ($name, $value);
		590	return 1 + 2;
		591	}
		592	}
		593	}
		594
		595	0
		596	}
		597
		598	sub usage {
		599	my ($term, $usage_type) = @_;
		600
		601	$term->scan_meta;
		602
		603	my $r = $term->{meta}{resource};
		604
		605	for my $pattern (sort keys %$r) {
		606	my ($ext, $type, $desc) = @{ $r->{$pattern} };
		607
		608	$desc .= " (-pe $ext)";
		609
		610	if ($usage_type == 1) {
		611	$pattern =~ y/./-/;
		612	$pattern =~ s/-$/-.../g;
		613
		614	if ($type eq "boolean") {
		615	urxvt::log sprintf " -%-30s %s\n", "/+$pattern", $desc;
		616	} else {
		617	urxvt::log sprintf " -%-30s %s\n", "$pattern $type", $desc;
		618	}
		619	} else {
		620	$pattern =~ s/\.$/.*/g;
		621	urxvt::log sprintf " %-31s %s\n", "$pattern:", $type;
		622	}
		623	}
		624	}
		625
509	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};	626	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
510		627
511	sub verbose {	628	sub verbose {
512	my ($level, $msg) = @_;	629	my ($level, $msg) = @_;
513	warn "$msg\n" if $level <= $verbosity;	630	warn "$msg\n" if $level <= $verbosity;
514	}	631	}
515		632
516	my $extension_pkg = "extension0000";
517	my %extension_pkg;	633	my %extension_pkg;
518		634
519	# load a single script into its own package, once only	635	# load a single script into its own package, once only
520	sub extension_package($) {	636	sub extension_package($) {
521	my ($path) = @_;	637	my ($path) = @_;
522		638
523	$extension_pkg{$path} ||= do {	639	$extension_pkg{$path} ||= do {
524	my $pkg = "urxvt::" . ($extension_pkg++);	640	$path =~ /([^\/\\]+)$/;
		641	my $pkg = $1;
		642	$pkg =~ s/[^[:word:]]/_/g;
		643	$pkg = "urxvt::ext::$pkg";
525		644
526	verbose 3, "loading extension '$path' into package '$pkg'";	645	verbose 3, "loading extension '$path' into package '$pkg'";
		646
		647	(${"$pkg\::_NAME"} = $path) =~ s/^.*[\\\/]//; # hackish
527		648
528	open my $fh, "<:raw", $path	649	open my $fh, "<:raw", $path
529	or die "$path: $!";	650	or die "$path: $!";
530		651
531	my $source = untaint	652	my $source =
532	"package $pkg; use strict; use utf8;\n"	653	"package $pkg; use strict 'vars'; use utf8; no warnings 'utf8';\n"
533	. "use base urxvt::term::extension::;\n"
534	. "#line 1 \"$path\"\n{\n"	654	. "#line 1 \"$path\"\n{\n"
535	. (do { local $/; <$fh> })	655	. (do { local $/; <$fh> })
536	. "\n};\n1";	656	. "\n};\n1";
537		657
538	eval $source	658	eval $source
…		…
548	sub invoke {	668	sub invoke {
549	local $TERM = shift;	669	local $TERM = shift;
550	my $htype = shift;	670	my $htype = shift;
551		671
552	if ($htype == 0) { # INIT	672	if ($htype == 0) { # INIT
553	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");	673	my @dirs = $TERM->perl_libdirs;
554		674
555	my %ext_arg;	675	my %ext_arg;
556		676
		677	{
		678	my @init = @TERM_INIT;
		679	@TERM_INIT = ();
		680	$_->($TERM) for @init;
		681	my @pkg = @TERM_EXT;
		682	@TERM_EXT = ();
		683	$TERM->register_package ($_) for @pkg;
		684	}
		685
		686	for (
		687	@{ delete $TERM->{perl_ext_3} },
557	for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {	688	grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2
		689	) {
558	if ($_ eq "default") {	690	if ($_ eq "default") {
559	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback);	691	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline);
560	} elsif (/^-(.*)$/) {	692	} elsif (/^-(.*)$/) {
561	delete $ext_arg{$1};	693	delete $ext_arg{$1};
562	} elsif (/^([^<]+)<(.*)>$/) {	694	} elsif (/^([^<]+)<(.*)>$/) {
563	push @{ $ext_arg{$1} }, $2;	695	push @{ $ext_arg{$1} }, $2;
564	} else {	696	} else {
565	$ext_arg{$_} ||= [];	697	$ext_arg{$_} ||= [];
566	}	698	}
567	}	699	}
568		700
569	while (my ($ext, $argv) = each %ext_arg) {	701	for my $ext (sort keys %ext_arg) {
570	my @files = grep -f $_, map "$_/$ext", @dirs;	702	my @files = grep -f $_, map "$_/$ext", @dirs;
571		703
572	if (@files) {	704	if (@files) {
573	$TERM->register_package (extension_package $files[0], $argv);	705	$TERM->register_package (extension_package $files[0], $ext_arg{$ext});
574	} else {	706	} else {
575	warn "perl extension '$ext' not found in perl library search path\n";	707	warn "perl extension '$ext' not found in perl library search path\n";
576	}	708	}
577	}	709	}
578		710
…		…
584		716
585	if (my $cb = $TERM->{_hook}[$htype]) {	717	if (my $cb = $TERM->{_hook}[$htype]) {
586	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"	718	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
587	if $verbosity >= 10;	719	if $verbosity >= 10;
588		720
589	keys %$cb;	721	for my $pkg (keys %$cb) {
590
591	while (my ($pkg, $cb) = each %$cb) {
592	$retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) }	722	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg} || $TERM, @_) };
593	and last;	723	$retval ||= $retval_;
594		724
595	if ($@) {	725	if ($@) {
596	$TERM->ungrab; # better to lose the grab than the session	726	$TERM->ungrab; # better to lose the grab than the session
597	warn $@;	727	warn $@;
598	}	728	}
599	}	729	}
		730
		731	verbose 11, "$HOOKNAME[$htype] returning <$retval>"
		732	if $verbosity >= 11;
600	}	733	}
601		734
602	if ($htype == 1) { # DESTROY	735	if ($htype == 1) { # DESTROY
603	if (my $hook = delete $TERM->{_hook}) {
604	for my $htype (0..$#$hook) {
605	$hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
606	or set_should_invoke $htype, 0;
607	}
608	}
609
610	# clear package objects	736	# clear package objects
611	%$_ = () for values %{ $TERM->{_pkg} };	737	%$_ = () for values %{ $TERM->{_pkg} };
612		738
613	# clear package	739	# clear package
614	%$TERM = ();	740	%$TERM = ();
615	}	741	}
616		742
617	$retval	743	$retval
618	}	744	}
619		745
620	sub exec_async(@) {	746	sub SET_COLOR($$$) {
621	my $pid = fork;	747	SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
622
623	return
624	if !defined $pid or $pid;
625
626	%ENV = %{ $TERM->env };
627
628	exec @_;
629	_exit 255;
630	}	748	}
631		749
632	# urxvt::term::extension	750	sub rend2mask {
633		751	no strict 'refs';
634	package urxvt::term::extension;	752	my ($str, $mask) = (@_, 0);
635		753	my %color = ( fg => undef, bg => undef );
636	sub enable {	754	my @failed;
637	my ($self, %hook) = @_;	755	for my $spec ( split /\s+/, $str ) {
638	my $pkg = $self->{_pkg};	756	if ( $spec =~ /^([fb]g)[_:-]?(\d+)/i ) {
639		757	$color{lc($1)} = $2;
640	while (my ($name, $cb) = each %hook) {	758	} else {
641	my $htype = $HOOKTYPE{uc $name};	759	my $neg = $spec =~ s/^[-^]//;
642	defined $htype	760	unless ( exists &{"RS_$spec"} ) {
643	or Carp::croak "unsupported hook type '$name'";	761	push @failed, $spec;
644		762	next;
645	unless (exists $self->{term}{_hook}[$htype]{$pkg}) {
646	$hook_count[$htype]++
647	or urxvt::set_should_invoke $htype, 1;
648	}	763	}
649		764	my $cur = &{"RS_$spec"};
650	$self->{term}{_hook}[$htype]{$pkg} = $cb;	765	if ( $neg ) {
651	}	766	$mask &= ~$cur;
652	}	767	} else {
653		768	$mask |= $cur;
654	sub disable {	769	}
655	my ($self, @hook) = @_;
656	my $pkg = $self->{_pkg};
657
658	for my $name (@hook) {
659	my $htype = $HOOKTYPE{uc $name};
660	defined $htype
661	or Carp::croak "unsupported hook type '$name'";
662
663	if (delete $self->{term}{_hook}[$htype]{$pkg}) {
664	--$hook_count[$htype]
665	or urxvt::set_should_invoke $htype, 0;
666	}	770	}
667	}	771	}
		772	($mask, @color{qw(fg bg)}, \@failed)
668	}	773	}
		774
		775	package urxvt::term::extension;
		776
		777	=head2 The C<urxvt::term::extension> class
		778
		779	Each extension attached to a terminal object is represented by
		780	a C<urxvt::term::extension> object.
		781
		782	You can use these objects, which are passed to all callbacks to store any
		783	state related to the terminal and extension instance.
		784
		785	The methods (And data members) documented below can be called on extension
		786	objects, in addition to call methods documented for the <urxvt::term>
		787	class.
		788
		789	=over 4
		790
		791	=item $urxvt_term = $self->{term}
		792
		793	Returns the C<urxvt::term> object associated with this instance of the
		794	extension. This member I<must not> be changed in any way.
		795
		796	=cut
669		797
670	our $AUTOLOAD;	798	our $AUTOLOAD;
671		799
672	sub AUTOLOAD {	800	sub AUTOLOAD {
673	$AUTOLOAD =~ /:([^:]+)$/	801	$AUTOLOAD =~ /:([^:]+)$/
…		…
686		814
687	sub DESTROY {	815	sub DESTROY {
688	# nop	816	# nop
689	}	817	}
690		818
691	# urxvt::destroy_hook	819	# urxvt::destroy_hook (basically a cheap Guard:: implementation)
692		820
693	sub urxvt::destroy_hook::DESTROY {	821	sub urxvt::destroy_hook::DESTROY {
694	${$_[0]}->();	822	${$_[0]}->();
695	}	823	}
696		824
697	sub urxvt::destroy_hook(&) {	825	sub urxvt::destroy_hook(&) {
698	bless \shift, urxvt::destroy_hook::	826	bless \shift, urxvt::destroy_hook::
699	}	827	}
		828
		829	=item $self->enable ($hook_name => $cb[, $hook_name => $cb..])
		830
		831	Dynamically enable the given hooks (named without the C<on_> prefix) for
		832	this extension, replacing any hook previously installed via C<enable> in
		833	this extension.
		834
		835	This is useful when you want to overwrite time-critical hooks only
		836	temporarily.
		837
		838	To install additional callbacks for the same hook, you can use the C<on>
		839	method of the C<urxvt::term> class.
		840
		841	=item $self->disable ($hook_name[, $hook_name..])
		842
		843	Dynamically disable the given hooks.
		844
		845	=cut
		846
		847	sub enable {
		848	my ($self, %hook) = @_;
		849	my $pkg = $self->{_pkg};
		850
		851	while (my ($name, $cb) = each %hook) {
		852	my $htype = $HOOKTYPE{uc $name};
		853	defined $htype
		854	or Carp::croak "unsupported hook type '$name'";
		855
		856	$self->set_should_invoke ($htype, +1)
		857	unless exists $self->{term}{_hook}[$htype]{$pkg};
		858
		859	$self->{term}{_hook}[$htype]{$pkg} = $cb;
		860	}
		861	}
		862
		863	sub disable {
		864	my ($self, @hook) = @_;
		865	my $pkg = $self->{_pkg};
		866
		867	for my $name (@hook) {
		868	my $htype = $HOOKTYPE{uc $name};
		869	defined $htype
		870	or Carp::croak "unsupported hook type '$name'";
		871
		872	$self->set_should_invoke ($htype, -1)
		873	if delete $self->{term}{_hook}[$htype]{$pkg};
		874	}
		875	}
		876
		877	=item $guard = $self->on ($hook_name => $cb[, $hook_name => $cb..])
		878
		879	Similar to the C<enable> enable, but installs additional callbacks for
		880	the given hook(s) (that is, it doesn't replace existing callbacks), and
		881	returns a guard object. When the guard object is destroyed the callbacks
		882	are disabled again.
		883
		884	=cut
		885
		886	sub urxvt::extension::on_disable::DESTROY {
		887	my $disable = shift;
		888
		889	my $term = delete $disable->{""};
		890
		891	while (my ($htype, $id) = each %$disable) {
		892	delete $term->{_hook}[$htype]{$id};
		893	$term->set_should_invoke ($htype, -1);
		894	}
		895	}
		896
		897	sub on {
		898	my ($self, %hook) = @_;
		899
		900	my $term = $self->{term};
		901
		902	my %disable = ( "" => $term );
		903
		904	while (my ($name, $cb) = each %hook) {
		905	my $htype = $HOOKTYPE{uc $name};
		906	defined $htype
		907	or Carp::croak "unsupported hook type '$name'";
		908
		909	$term->set_should_invoke ($htype, +1);
		910	$term->{_hook}[$htype]{ $disable{$htype} = $cb+0 }
		911	= sub { shift; $cb->($self, @_) }; # very ugly indeed
		912	}
		913
		914	bless \%disable, "urxvt::extension::on_disable"
		915	}
		916
		917	=item $self->x_resource ($pattern)
		918
		919	=item $self->x_resource_boolean ($pattern)
		920
		921	These methods support an additional C<%> prefix when called on an
		922	extension object - see the description of these methods in the
		923	C<urxvt::term> class for details.
		924
		925	=cut
		926
		927	sub x_resource {
		928	my ($self, $name) = @_;
		929	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		930	$self->{term}->x_resource ($name)
		931	}
		932
		933	sub x_resource_boolean {
		934	my ($self, $name) = @_;
		935	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		936	$self->{term}->x_resource_boolean ($name)
		937	}
		938
		939	=back
		940
		941	=cut
700		942
701	package urxvt::anyevent;	943	package urxvt::anyevent;
702		944
703	=head2 The C<urxvt::anyevent> Class	945	=head2 The C<urxvt::anyevent> Class
704		946
705	The sole purpose of this class is to deliver an interface to the	947	The sole purpose of this class is to deliver an interface to the
706	C<AnyEvent> module - any module using it will work inside urxvt without	948	C<AnyEvent> module - any module using it will work inside urxvt without
707	further programming. The only exception is that you cannot wait on	949	further programming. The only exception is that you cannot wait on
708	condition variables, but non-blocking condvar use is ok. What this means	950	condition variables, but non-blocking condvar use is ok.
709	is that you cannot use blocking APIs, but the non-blocking variant should
710	work.
711		951
712	=cut	952	In practical terms this means is that you cannot use blocking APIs, but
		953	the non-blocking variant should work.
713		954
		955	=cut
		956
714	our $VERSION = 1;	957	our $VERSION = '5.23';
715		958
716	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there	959	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
717	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];	960	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
718		961
719	sub timer {	962	sub timer {
…		…
721		964
722	my $cb = $arg{cb};	965	my $cb = $arg{cb};
723		966
724	urxvt::timer	967	urxvt::timer
725	->new	968	->new
726	->start (urxvt::NOW + $arg{after})	969	->after ($arg{after}, $arg{interval})
727	->cb (sub {	970	->cb ($arg{interval} ? $cb : sub {
728	$_[0]->stop; # need to cancel manually	971	$_[0]->stop; # need to cancel manually
729	$cb->();	972	$cb->();
730	})	973	})
731	}	974	}
732		975
733	sub io {	976	sub io {
734	my ($class, %arg) = @_;	977	my ($class, %arg) = @_;
735		978
736	my $cb = $arg{cb};	979	my $cb = $arg{cb};
		980	my $fd = fileno $arg{fh};
		981	defined $fd or $fd = $arg{fh};
737		982
738	bless [$arg{fh}, urxvt::iow	983	bless [$arg{fh}, urxvt::iow
739	->new	984	->new
740	->fd (fileno $arg{fh})	985	->fd ($fd)
741	->events (($arg{poll} =~ /r/ ? 1 : 0)	986	->events (($arg{poll} =~ /r/ ? 1 : 0)
742	| ($arg{poll} =~ /w/ ? 2 : 0))	987	| ($arg{poll} =~ /w/ ? 2 : 0))
743	->start	988	->start
744	->cb (sub {	989	->cb ($cb)
745	$cb->(($_[1] & 1 ? 'r' : '')
746	. ($_[1] & 2 ? 'w' : ''));
747	})],
748	urxvt::anyevent::	990	], urxvt::anyevent::
		991	}
		992
		993	sub idle {
		994	my ($class, %arg) = @_;
		995
		996	my $cb = $arg{cb};
		997
		998	urxvt::iw
		999	->new
		1000	->start
		1001	->cb ($cb)
		1002	}
		1003
		1004	sub child {
		1005	my ($class, %arg) = @_;
		1006
		1007	my $cb = $arg{cb};
		1008
		1009	urxvt::pw
		1010	->new
		1011	->start ($arg{pid})
		1012	->cb (sub {
		1013	$_[0]->stop; # need to cancel manually
		1014	$cb->($_[0]->rpid, $_[0]->rstatus);
		1015	})
749	}	1016	}
750		1017
751	sub DESTROY {	1018	sub DESTROY {
752	$_[0][1]->stop;	1019	$_[0][1]->stop;
753	}	1020	}
754		1021
755	sub condvar {	1022	# only needed for AnyEvent < 6 compatibility
756	bless \my $flag, urxvt::anyevent::condvar::	1023	sub one_event {
757	}
758
759	sub urxvt::anyevent::condvar::broadcast {
760	${$_[0]}++;
761	}
762
763	sub urxvt::anyevent::condvar::wait {
764	unless (${$_[0]}) {
765	Carp::croak "AnyEvent->condvar blocking wait unsupported in urxvt, use a non-blocking API";	1024	Carp::croak "AnyEvent->one_event blocking wait unsupported in urxvt, use a non-blocking API";
766	}
767	}	1025	}
768		1026
769	package urxvt::term;	1027	package urxvt::term;
770		1028
771	=head2 The C<urxvt::term> Class	1029	=head2 The C<urxvt::term> Class
…		…
777	# find on_xxx subs in the package and register them	1035	# find on_xxx subs in the package and register them
778	# as hooks	1036	# as hooks
779	sub register_package {	1037	sub register_package {
780	my ($self, $pkg, $argv) = @_;	1038	my ($self, $pkg, $argv) = @_;
781		1039
		1040	no strict 'refs';
		1041
		1042	urxvt::verbose 6, "register package $pkg to $self";
		1043
		1044	@{"$pkg\::ISA"} = urxvt::term::extension::;
		1045
782	my $proxy = bless {	1046	my $proxy = bless {
783	_pkg => $pkg,	1047	_pkg => $pkg,
		1048	_name => ${"$pkg\::_NAME"}, # hackish
784	argv => $argv,	1049	argv => $argv,
785	}, $pkg;	1050	}, $pkg;
786	Scalar::Util::weaken ($proxy->{term} = $self);	1051	Scalar::Util::weaken ($proxy->{term} = $self);
787		1052
788	$self->{_pkg}{$pkg} = $proxy;	1053	$self->{_pkg}{$pkg} = $proxy;
789		1054
…		…
792	$proxy->enable ($name => $ref);	1057	$proxy->enable ($name => $ref);
793	}	1058	}
794	}	1059	}
795	}	1060	}
796		1061
		1062	sub perl_libdirs {
		1063	map { split /:/ }
		1064	$_[0]->resource ("perl_lib"),
		1065	$ENV{URXVT_PERL_LIB},
		1066	"$ENV{HOME}/.urxvt/ext",
		1067	"$LIBDIR/perl"
		1068	}
		1069
		1070	sub scan_meta {
		1071	my ($self) = @_;
		1072	my @libdirs = perl_libdirs $self;
		1073
		1074	return if $self->{meta_libdirs} eq join "\x00", @libdirs;
		1075
		1076	my %meta;
		1077
		1078	$self->{meta_libdirs} = join "\x00", @libdirs;
		1079	$self->{meta} = \%meta;
		1080
		1081	for my $dir (reverse @libdirs) {
		1082	opendir my $fh, $dir
		1083	or next;
		1084	for my $ext (readdir $fh) {
		1085	$ext !~ /^\./
		1086	and open my $fh, "<", "$dir/$ext"
		1087	or next;
		1088
		1089	while (<$fh>) {
		1090	if (/^#:META:X_RESOURCE:(.*)/) {
		1091	my ($pattern, $type, $desc) = split /:/, $1;
		1092	$pattern =~ s/^%(\.|$)/$ext$1/g; # % in pattern == extension name
		1093	if ($pattern =~ /[^a-zA-Z0-9\-\.]/) {
		1094	warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n";
		1095	} else {
		1096	$meta{resource}{$pattern} = [$ext, $type, $desc];
		1097	}
		1098	} elsif (/^\s*(?:#|$)/) {
		1099	# skip other comments and empty lines
		1100	} else {
		1101	last; # stop parsing on first non-empty non-comment line
		1102	}
		1103	}
		1104	}
		1105	}
		1106	}
		1107
797	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]	1108	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
798		1109
799	Creates a new terminal, very similar as if you had started it with system	1110	Creates a new terminal, very similar as if you had started it with system
800	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like	1111	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
801	hash which defines the environment of the new terminal.	1112	hash which defines the environment of the new terminal.
802		1113
803	Croaks (and probably outputs an error message) if the new instance	1114	Croaks (and probably outputs an error message) if the new instance
804	couldn't be created. Returns C<undef> if the new instance didn't	1115	couldn't be created. Returns C<undef> if the new instance didn't
805	initialise perl, and the terminal object otherwise. The C<init> and	1116	initialise perl, and the terminal object otherwise. The C<init> and
806	C<start> hooks will be called during this call.	1117	C<start> hooks will be called before this call returns, and are free to
		1118	refer to global data (which is race free).
807		1119
808	=cut	1120	=cut
809		1121
810	sub new {	1122	sub new {
811	my ($class, $env, @args) = @_;	1123	my ($class, $env, @args) = @_;
812		1124
		1125	$env or Carp::croak "environment hash missing in call to urxvt::term->new";
		1126	@args or Carp::croak "name argument missing in call to urxvt::term->new";
		1127
813	_new ([ map "$_=$env->{$_}", keys %$env ], @args);	1128	_new ([ map "$_=$env->{$_}", keys %$env ], \@args);
814	}	1129	}
815		1130
816	=item $term->destroy	1131	=item $term->destroy
817		1132
818	Destroy the terminal object (close the window, free resources	1133	Destroy the terminal object (close the window, free resources
819	etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event	1134	etc.). Please note that urxvt will not exit as long as any event
820	watchers (timers, io watchers) are still active.	1135	watchers (timers, io watchers) are still active.
		1136
		1137	=item $term->exec_async ($cmd[, @args])
		1138
		1139	Works like the combination of the C<fork>/C<exec> builtins, which executes
		1140	("starts") programs in the background. This function takes care of setting
		1141	the user environment before exec'ing the command (e.g. C<PATH>) and should
		1142	be preferred over explicit calls to C<exec> or C<system>.
		1143
		1144	Returns the pid of the subprocess or C<undef> on error.
		1145
		1146	=cut
		1147
		1148	sub exec_async {
		1149	my $self = shift;
		1150
		1151	my $pid = fork;
		1152
		1153	return $pid
		1154	if !defined $pid or $pid;
		1155
		1156	%ENV = %{ $self->env };
		1157
		1158	exec @_;
		1159	urxvt::_exit 255;
		1160	}
821		1161
822	=item $isset = $term->option ($optval[, $set])	1162	=item $isset = $term->option ($optval[, $set])
823		1163
824	Returns true if the option specified by C<$optval> is enabled, and	1164	Returns true if the option specified by C<$optval> is enabled, and
825	optionally change it. All option values are stored by name in the hash	1165	optionally change it. All option values are stored by name in the hash
826	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.	1166	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
827		1167
828	Here is a a likely non-exhaustive list of option names, please see the	1168	Here is a likely non-exhaustive list of option names, please see the
829	source file F</src/optinc.h> to see the actual list:	1169	source file F</src/optinc.h> to see the actual list:
830		1170
831	borderLess console cursorBlink cursorUnderline hold iconic insecure	1171	borderLess buffered console cursorBlink cursorUnderline hold iconic
832	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage	1172	insecure intensityStyles iso14755 iso14755_52 jumpScroll loginShell
		1173	mapAlert meta8 mouseWheelScrollPage override_redirect pastableTabs
833	pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating	1174	pointerBlank reverseVideo scrollBar scrollBar_floating scrollBar_right
834	scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer	1175	scrollTtyKeypress scrollTtyOutput scrollWithBuffer secondaryScreen
835	secondaryScreen secondaryScroll skipBuiltinGlyphs transparent	1176	secondaryScroll skipBuiltinGlyphs skipScroll transparent tripleclickwords
836	tripleclickwords utmpInhibit visualBell	1177	urgentOnBell utmpInhibit visualBell
837		1178
838	=item $value = $term->resource ($name[, $newval])	1179	=item $value = $term->resource ($name[, $newval])
839		1180
840	Returns the current resource value associated with a given name and	1181	Returns the current resource value associated with a given name and
841	optionally sets a new value. Setting values is most useful in the C<init>	1182	optionally sets a new value. Setting values is most useful in the C<init>
…		…
850	likely change).	1191	likely change).
851		1192
852	Please note that resource strings will currently only be freed when the	1193	Please note that resource strings will currently only be freed when the
853	terminal is destroyed, so changing options frequently will eat memory.	1194	terminal is destroyed, so changing options frequently will eat memory.
854		1195
855	Here is a a likely non-exhaustive list of resource names, not all of which	1196	Here is a likely non-exhaustive list of resource names, not all of which
856	are supported in every build, please see the source file F</src/rsinc.h>	1197	are supported in every build, please see the source file F</src/rsinc.h>
857	to see the actual list:	1198	to see the actual list:
858		1199
859	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont	1200	answerbackstring backgroundPixmap backspace_key blurradius
860	borderLess color cursorBlink cursorUnderline cutchars delete_key	1201	boldFont boldItalicFont borderLess buffered chdir color cursorBlink
861	display_name embed ext_bwidth fade font geometry hold iconName	1202	cursorUnderline cutchars delete_key depth display_name embed ext_bwidth
862	imFont imLocale inputMethod insecure int_bwidth intensityStyles	1203	fade font geometry hold iconName iconfile imFont imLocale inputMethod
		1204	insecure int_bwidth intensityStyles iso14755 iso14755_52 italicFont
863	italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier	1205	jumpScroll letterSpace lineSpace loginShell mapAlert meta8 modifier
864	mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2	1206	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
865	perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd	1207	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
866	reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating	1208	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
867	scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput	1209	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
868	scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle	1210	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
869	shade term_name title transparent transparent_all tripleclickwords	1211	secondaryScreen secondaryScroll shade skipBuiltinGlyphs skipScroll
		1212	term_name title transient_for transparent tripleclickwords urgentOnBell
870	utmpInhibit visualBell	1213	utmpInhibit visualBell
871		1214
872	=cut	1215	=cut
873		1216
874	sub resource($$;$) {	1217	sub resource($$;$) {
875	my ($self, $name) = (shift, shift);	1218	my ($self, $name) = (shift, shift);
876	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);	1219	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
877	&urxvt::term::_resource	1220	goto &urxvt::term::_resource
878	}	1221	}
879		1222
880	=item $value = $term->x_resource ($pattern)	1223	=item $value = $term->x_resource ($pattern)
881		1224
882	Returns the X-Resource for the given pattern, excluding the program or	1225	Returns the X-Resource for the given pattern, excluding the program or
883	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the	1226	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
884	same value as used by this instance of rxvt-unicode. Returns C<undef> if no	1227	same value as used by this instance of rxvt-unicode. Returns C<undef> if no
885	resource with that pattern exists.	1228	resource with that pattern exists.
886		1229
		1230	Extensions that define extra resource or command line arguments also need
		1231	to call this method to access their values.
		1232
		1233	If the method is called on an extension object (basically, from an
		1234	extension), then the special prefix C<%.> will be replaced by the name of
		1235	the extension and a dot, and the lone string C<%> will be replaced by the
		1236	extension name itself. This makes it possible to code extensions so you
		1237	can rename them and get a new set of commandline switches and resources
		1238	without having to change the actual code.
		1239
887	This method should only be called during the C<on_start> hook, as there is	1240	This method should only be called during the C<on_start> hook, as there is
888	only one resource database per display, and later invocations might return	1241	only one resource database per display, and later invocations might return
889	the wrong resources.	1242	the wrong resources.
890		1243
891	=item $success = $term->parse_keysym ($keysym_spec, $command_string)	1244	=item $value = $term->x_resource_boolean ($pattern)
892		1245
		1246	Like C<x_resource>, above, but interprets the string value as a boolean
		1247	and returns C<1> for true values, C<0> for false values and C<undef> if
		1248	the resource or option isn't specified.
		1249
		1250	You should always use this method to parse boolean resources.
		1251
		1252	=cut
		1253
		1254	sub x_resource_boolean {
		1255	my $res = &x_resource;
		1256
		1257	$res =~ /^\s*(?:true|yes|on|1)\s*$/i ? 1 : defined $res && 0
		1258	}
		1259
		1260	=item $success = $term->parse_keysym ($key, $octets)
		1261
893	Adds a keymap translation exactly as specified via a resource. See the	1262	Adds a key binding exactly as specified via a resource. See the
894	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.	1263	C<keysym> resource in the urxvt(1) manpage.
		1264
		1265	=item $term->register_command ($keysym, $modifiermask, $string)
		1266
		1267	Adds a key binding. This is a lower level api compared to
		1268	C<parse_keysym>, as it expects a parsed key description, and can be
		1269	used only inside either the C<on_init> hook, to add a binding, or the
		1270	C<on_register_command> hook, to modify a parsed binding.
895		1271
896	=item $rend = $term->rstyle ([$new_rstyle])	1272	=item $rend = $term->rstyle ([$new_rstyle])
897		1273
898	Return and optionally change the current rendition. Text that is output by	1274	Return and optionally change the current rendition. Text that is output by
899	the terminal application will use this style.	1275	the terminal application will use this style.
…		…
907		1283
908	=item ($row, $col) = $term->selection_beg ([$row, $col])	1284	=item ($row, $col) = $term->selection_beg ([$row, $col])
909		1285
910	=item ($row, $col) = $term->selection_end ([$row, $col])	1286	=item ($row, $col) = $term->selection_end ([$row, $col])
911		1287
912	Return the current values of the selection mark, begin or end positions,	1288	Return the current values of the selection mark, begin or end positions.
913	and optionally set them to new values.
914		1289
		1290	When arguments are given, then the selection coordinates are set to
		1291	C<$row> and C<$col>, and the selection screen is set to the current
		1292	screen.
		1293
		1294	=item $screen = $term->selection_screen ([$screen])
		1295
		1296	Returns the current selection screen, and then optionally sets it.
		1297
		1298	=item $term->selection_make ($eventtime[, $rectangular])
		1299
		1300	Tries to make a selection as set by C<selection_beg> and
		1301	C<selection_end>. If C<$rectangular> is true (default: false), a
		1302	rectangular selection will be made. This is the preferred function to make
		1303	a selection.
		1304
915	=item $success = $term->selection_grab ($eventtime)	1305	=item $success = $term->selection_grab ($eventtime[, $clipboard])
916		1306
917	Try to request the primary selection from the server (for example, as set	1307	Try to acquire ownership of the primary (clipboard if C<$clipboard> is
918	by the next method).	1308	true) selection from the server. The corresponding text can be set
		1309	with the next method. No visual feedback will be given. This function
		1310	is mostly useful from within C<on_sel_grab> hooks.
919		1311
920	=item $oldtext = $term->selection ([$newtext])	1312	=item $oldtext = $term->selection ([$newtext, $clipboard])
921		1313
922	Return the current selection text and optionally replace it by C<$newtext>.	1314	Return the current selection (clipboard if C<$clipboard> is true) text
		1315	and optionally replace it by C<$newtext>.
		1316
		1317	=item $term->selection_clear ([$clipboard])
		1318
		1319	Revoke ownership of the primary (clipboard if C<$clipboard> is true) selection.
923		1320
924	=item $term->overlay_simple ($x, $y, $text)	1321	=item $term->overlay_simple ($x, $y, $text)
925		1322
926	Create a simple multi-line overlay box. See the next method for details.	1323	Create a simple multi-line overlay box. See the next method for details.
927		1324
…		…
957		1354
958	The methods currently supported on C<urxvt::overlay> objects are:	1355	The methods currently supported on C<urxvt::overlay> objects are:
959		1356
960	=over 4	1357	=over 4
961		1358
962	=item $overlay->set ($x, $y, $text, $rend)	1359	=item $overlay->set ($x, $y, $text[, $rend])
963		1360
964	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts	1361	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts
965	text in rxvt-unicode's special encoding and an array of rendition values	1362	text in rxvt-unicode's special encoding and an array of rendition values
966	at a specific position inside the overlay.	1363	at a specific position inside the overlay.
		1364
		1365	If C<$rend> is missing, then the rendition will not be changed.
967		1366
968	=item $overlay->hide	1367	=item $overlay->hide
969		1368
970	If visible, hide the overlay, but do not destroy it.	1369	If visible, hide the overlay, but do not destroy it.
971		1370
…		…
1016	Convert the given locale-encoded octets into a perl string.	1415	Convert the given locale-encoded octets into a perl string.
1017		1416
1018	=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])	1417	=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])
1019		1418
1020	XORs the rendition values in the given span with the provided value	1419	XORs the rendition values in the given span with the provided value
1021	(default: C<RS_RVid>). Useful in refresh hooks to provide effects similar	1420	(default: C<RS_RVid>), which I<MUST NOT> contain font styles. Useful in
1022	to the selection.	1421	refresh hooks to provide effects similar to the selection.
1023		1422
1024	=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])	1423	=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])
1025		1424
1026	Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing	1425	Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing
1027	whitespace will additionally be xored with the C<$rstyle2>, which defaults	1426	whitespace will additionally be xored with the C<$rstyle2>, which defaults
1028	to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines	1427	to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines
1029	it instead.	1428	it instead. Both styles I<MUST NOT> contain font styles.
1030		1429
1031	=item $term->scr_bell	1430	=item $term->scr_bell
1032		1431
1033	Ring the bell!	1432	Ring the bell!
1034		1433
…		…
1041		1440
1042	Normally its not a good idea to use this function, as programs might be	1441	Normally its not a good idea to use this function, as programs might be
1043	confused by changes in cursor position or scrolling. Its useful inside a	1442	confused by changes in cursor position or scrolling. Its useful inside a
1044	C<on_add_lines> hook, though.	1443	C<on_add_lines> hook, though.
1045		1444
		1445	=item $term->scr_change_screen ($screen)
		1446
		1447	Switch to given screen - 0 primary, 1 secondary.
		1448
1046	=item $term->cmd_parse ($octets)	1449	=item $term->cmd_parse ($octets)
1047		1450
1048	Similar to C<scr_add_lines>, but the argument must be in the	1451	Similar to C<scr_add_lines>, but the argument must be in the
1049	locale-specific encoding of the terminal and can contain command sequences	1452	locale-specific encoding of the terminal and can contain command sequences
1050	(escape codes) that will be interpreted.	1453	(escape codes) that will be interpreted.
1051		1454
1052	=item $term->tt_write ($octets)	1455	=item $term->tt_write ($octets)
1053		1456
1054	Write the octets given in C<$data> to the tty (i.e. as program input). To	1457	Write the octets given in C<$octets> to the tty (i.e. as program input). To
1055	pass characters instead of octets, you should convert your strings first	1458	pass characters instead of octets, you should convert your strings first
1056	to the locale-specific encoding using C<< $term->locale_encode >>.	1459	to the locale-specific encoding using C<< $term->locale_encode >>.
		1460
		1461	=item $term->tt_paste ($octets)
		1462
		1463	Write the octets given in C<$octets> to the tty as a paste, converting NL to
		1464	CR and bracketing the data with control sequences if bracketed paste mode
		1465	is set.
1057		1466
1058	=item $old_events = $term->pty_ev_events ([$new_events])	1467	=item $old_events = $term->pty_ev_events ([$new_events])
1059		1468
1060	Replaces the event mask of the pty watcher by the given event mask. Can	1469	Replaces the event mask of the pty watcher by the given event mask. Can
1061	be used to suppress input and output handling to the pty/tty. See the	1470	be used to suppress input and output handling to the pty/tty. See the
1062	description of C<< urxvt::timer->events >>. Make sure to always restore	1471	description of C<< urxvt::timer->events >>. Make sure to always restore
1063	the previous value.	1472	the previous value.
1064		1473
		1474	=item $fd = $term->pty_fd
		1475
		1476	Returns the master file descriptor for the pty in use, or C<-1> if no pty
		1477	is used.
		1478
1065	=item $windowid = $term->parent	1479	=item $windowid = $term->parent
1066		1480
1067	Return the window id of the toplevel window.	1481	Return the window id of the toplevel window.
1068		1482
1069	=item $windowid = $term->vt	1483	=item $windowid = $term->vt
1070		1484
1071	Return the window id of the terminal window.	1485	Return the window id of the terminal window.
1072		1486
		1487	=item $term->vt_emask_add ($x_event_mask)
		1488
		1489	Adds the specified events to the vt event mask. Useful e.g. when you want
		1490	to receive pointer events all the times:
		1491
		1492	$term->vt_emask_add (urxvt::PointerMotionMask);
		1493
		1494	=item $term->set_urgency ($set)
		1495
		1496	Enable/disable the urgency hint on the toplevel window.
		1497
		1498	=item $term->focus_in
		1499
		1500	=item $term->focus_out
		1501
		1502	=item $term->key_press ($state, $keycode[, $time])
		1503
		1504	=item $term->key_release ($state, $keycode[, $time])
		1505
		1506	Deliver various fake events to to terminal.
		1507
1073	=item $window_width = $term->width	1508	=item $window_width = $term->width
1074		1509
1075	=item $window_height = $term->height	1510	=item $window_height = $term->height
1076		1511
1077	=item $font_width = $term->fwidth	1512	=item $font_width = $term->fwidth
…		…
1090		1525
1091	=item $max_scrollback = $term->saveLines	1526	=item $max_scrollback = $term->saveLines
1092		1527
1093	=item $nrow_plus_saveLines = $term->total_rows	1528	=item $nrow_plus_saveLines = $term->total_rows
1094		1529
1095	=item $lines_in_scrollback = $term->nsaved	1530	=item $topmost_scrollback_row = $term->top_row
1096		1531
1097	Return various integers describing terminal characteristics.	1532	Return various integers describing terminal characteristics.
1098		1533
1099	=item $x_display = $term->display_id	1534	=item $x_display = $term->display_id
1100		1535
…		…
1107	=item $env = $term->env	1542	=item $env = $term->env
1108		1543
1109	Returns a copy of the environment in effect for the terminal as a hashref	1544	Returns a copy of the environment in effect for the terminal as a hashref
1110	similar to C<\%ENV>.	1545	similar to C<\%ENV>.
1111		1546
		1547	=item @envv = $term->envv
		1548
		1549	Returns the environment as array of strings of the form C<VAR=VALUE>.
		1550
		1551	=item @argv = $term->argv
		1552
		1553	Return the argument vector as this terminal, similar to @ARGV, but
		1554	includes the program name as first element.
		1555
1112	=cut	1556	=cut
1113		1557
1114	sub env {	1558	sub env {
1115	if (my $env = $_[0]->_env) {
1116	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), @$env }	1559	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), $_[0]->envv }
1117	} else {
1118	+{ %ENV }
1119	}
1120	}	1560	}
1121		1561
1122	=item $modifiermask = $term->ModLevel3Mask	1562	=item $modifiermask = $term->ModLevel3Mask
1123		1563
1124	=item $modifiermask = $term->ModMetaMask	1564	=item $modifiermask = $term->ModMetaMask
…		…
1126	=item $modifiermask = $term->ModNumLockMask	1566	=item $modifiermask = $term->ModNumLockMask
1127		1567
1128	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often	1568	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
1129	AltGr), the meta key (often Alt) and the num lock key, if applicable.	1569	AltGr), the meta key (often Alt) and the num lock key, if applicable.
1130		1570
		1571	=item $screen = $term->current_screen
		1572
		1573	Returns the currently displayed screen (0 primary, 1 secondary).
		1574
		1575	=item $cursor_is_hidden = $term->hidden_cursor
		1576
		1577	Returns whether the cursor is currently hidden or not.
		1578
1131	=item $view_start = $term->view_start ([$newvalue])	1579	=item $view_start = $term->view_start ([$newvalue])
1132		1580
1133	Returns the negative row number of the topmost line. Minimum value is	1581	Returns the row number of the topmost displayed line. Maximum value is
1134	C<0>, which displays the normal terminal contents. Larger values scroll	1582	C<0>, which displays the normal terminal contents. Lower values scroll
1135	this many lines into the scrollback buffer.	1583	this many lines into the scrollback buffer.
1136		1584
1137	=item $term->want_refresh	1585	=item $term->want_refresh
1138		1586
1139	Requests a screen refresh. At the next opportunity, rxvt-unicode will	1587	Requests a screen refresh. At the next opportunity, rxvt-unicode will
…		…
1142		1590
1143	Used after changing terminal contents to display them.	1591	Used after changing terminal contents to display them.
1144		1592
1145	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])	1593	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
1146		1594
1147	Returns the text of the entire row with number C<$row_number>. Row C<0>	1595	Returns the text of the entire row with number C<$row_number>. Row C<< $term->top_row >>
1148	is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost	1596	is the topmost terminal line, row C<< $term->nrow-1 >> is the bottommost
1149	terminal line. The scrollback buffer starts at line C<-1> and extends to
1150	line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line	1597	terminal line. Nothing will be returned if a nonexistent line
1151	is requested.	1598	is requested.
1152		1599
1153	If C<$new_text> is specified, it will replace characters in the current	1600	If C<$new_text> is specified, it will replace characters in the current
1154	line, starting at column C<$start_col> (default C<0>), which is useful	1601	line, starting at column C<$start_col> (default C<0>), which is useful
1155	to replace only parts of a line. The font index in the rendition will	1602	to replace only parts of a line. The font index in the rendition will
1156	automatically be updated.	1603	automatically be updated.
1157		1604
1158	C<$text> is in a special encoding: tabs and wide characters that use more	1605	C<$text> is in a special encoding: tabs and wide characters that use more
1159	than one cell when displayed are padded with urxvt::NOCHAR characters	1606	than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
1160	(C<chr 65535>). Characters with combining characters and other characters	1607	characters. Characters with combining characters and other characters that
1161	that do not fit into the normal tetx encoding will be replaced with	1608	do not fit into the normal text encoding will be replaced with characters
1162	characters in the private use area.	1609	in the private use area.
1163		1610
1164	You have to obey this encoding when changing text. The advantage is	1611	You have to obey this encoding when changing text. The advantage is
1165	that C<substr> and similar functions work on screen cells and not on	1612	that C<substr> and similar functions work on screen cells and not on
1166	characters.	1613	characters.
1167		1614
…		…
1218	Return the row number of the first/last row of the line, respectively.	1665	Return the row number of the first/last row of the line, respectively.
1219		1666
1220	=item $offset = $line->offset_of ($row, $col)	1667	=item $offset = $line->offset_of ($row, $col)
1221		1668
1222	Returns the character offset of the given row|col pair within the logical	1669	Returns the character offset of the given row|col pair within the logical
1223	line.	1670	line. Works for rows outside the line, too, and returns corresponding
		1671	offsets outside the string.
1224		1672
1225	=item ($row, $col) = $line->coord_of ($offset)	1673	=item ($row, $col) = $line->coord_of ($offset)
1226		1674
1227	Translates a string offset into terminal coordinates again.	1675	Translates a string offset into terminal coordinates again.
1228		1676
…		…
1250	}	1698	}
1251		1699
1252	sub urxvt::line::t {	1700	sub urxvt::line::t {
1253	my ($self) = @_;	1701	my ($self) = @_;
1254		1702
1255	if (@_ > 1)	1703	if (@_ > 1) {
1256	{
1257	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1704	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1258	for $self->{beg} .. $self->{end};	1705	for $self->{beg} .. $self->{end};
1259	}	1706	}
1260		1707
1261	defined wantarray &&	1708	defined wantarray &&
1262	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),	1709	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),
1263	0, $self->{len}	1710	0, $self->{len}
1264	}	1711	}
1265		1712
1266	sub urxvt::line::r {	1713	sub urxvt::line::r {
1267	my ($self) = @_;	1714	my ($self) = @_;
1268		1715
1269	if (@_ > 1)	1716	if (@_ > 1) {
1270	{
1271	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1717	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1272	for $self->{beg} .. $self->{end};	1718	for $self->{beg} .. $self->{end};
1273	}	1719	}
1274		1720
1275	if (defined wantarray) {	1721	if (defined wantarray) {
1276	my $rend = [	1722	my $rend = [
1277	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}	1723	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}
1278	];	1724	];
…		…
1310	where one character corresponds to one screen cell. See	1756	where one character corresponds to one screen cell. See
1311	C<< $term->ROW_t >> for details.	1757	C<< $term->ROW_t >> for details.
1312		1758
1313	=item $string = $term->special_decode $text	1759	=item $string = $term->special_decode $text
1314		1760
1315	Converts rxvt-unicodes text reprsentation into a perl string. See	1761	Converts rxvt-unicodes text representation into a perl string. See
1316	C<< $term->ROW_t >> for details.	1762	C<< $term->ROW_t >> for details.
1317		1763
1318	=item $success = $term->grab_button ($button, $modifiermask)	1764	=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
1319		1765
		1766	=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
		1767
1320	Registers a synchronous button grab. See the XGrabButton manpage.	1768	Register/unregister a synchronous button grab. See the XGrabButton
		1769	manpage.
1321		1770
1322	=item $success = $term->grab ($eventtime[, $sync])	1771	=item $success = $term->grab ($eventtime[, $sync])
1323		1772
1324	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or	1773	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1325	synchronous (C<$sync> is true). Also remembers the grab timestampe.	1774	synchronous (C<$sync> is true). Also remembers the grab timestamp.
1326		1775
1327	=item $term->allow_events_async	1776	=item $term->allow_events_async
1328		1777
1329	Calls XAllowEvents with AsyncBoth for the most recent grab.	1778	Calls XAllowEvents with AsyncBoth for the most recent grab.
1330		1779
…		…
1337	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most	1786	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
1338	recent grab.	1787	recent grab.
1339		1788
1340	=item $term->ungrab	1789	=item $term->ungrab
1341		1790
1342	Calls XUngrab for the most recent grab. Is called automatically on	1791	Calls XUngrabPointer and XUngrabKeyboard for the most recent grab. Is called automatically on
1343	evaluation errors, as it is better to lose the grab in the error case as	1792	evaluation errors, as it is better to lose the grab in the error case as
1344	the session.	1793	the session.
		1794
		1795	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
		1796
		1797	=item $atom_name = $term->XGetAtomName ($atom)
		1798
		1799	=item @atoms = $term->XListProperties ($window)
		1800
		1801	=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
		1802
		1803	=item $term->XChangeProperty ($window, $property, $type, $format, $octets)
		1804
		1805	=item $term->XDeleteProperty ($window, $property)
		1806
		1807	=item $window = $term->DefaultRootWindow
		1808
		1809	=item $term->XReparentWindow ($window, $parent, [$x, $y])
		1810
		1811	=item $term->XMapWindow ($window)
		1812
		1813	=item $term->XUnmapWindow ($window)
		1814
		1815	=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
		1816
		1817	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
		1818
		1819	=item $term->XChangeInput ($window, $add_events[, $del_events])
		1820
		1821	=item $keysym = $term->XStringToKeysym ($string)
		1822
		1823	=item $string = $term->XKeysymToString ($keysym)
		1824
		1825	Various X or X-related functions. The C<$term> object only serves as
		1826	the source of the display, otherwise those functions map more-or-less
		1827	directly onto the X functions of the same name.
1345		1828
1346	=back	1829	=back
1347		1830
1348	=cut	1831	=cut
1349		1832
…		…
1413	my ($self, $text, $cb) = @_;	1896	my ($self, $text, $cb) = @_;
1414		1897
1415	$self->add_item ({ type => "button", text => $text, activate => $cb});	1898	$self->add_item ({ type => "button", text => $text, activate => $cb});
1416	}	1899	}
1417		1900
1418	=item $popup->add_toggle ($text, $cb, $initial_value)	1901	=item $popup->add_toggle ($text, $initial_value, $cb)
1419		1902
1420	Adds a toggle/checkbox item to the popup. Teh callback gets called	1903	Adds a toggle/checkbox item to the popup. The callback gets called
1421	whenever it gets toggled, with a boolean indicating its value as its first	1904	whenever it gets toggled, with a boolean indicating its new value as its
1422	argument.	1905	first argument.
1423		1906
1424	=cut	1907	=cut
1425		1908
1426	sub add_toggle {	1909	sub add_toggle {
1427	my ($self, $text, $cb, $value) = @_;	1910	my ($self, $text, $value, $cb) = @_;
1428		1911
1429	my $item; $item = {	1912	my $item; $item = {
1430	type => "button",	1913	type => "button",
1431	text => " $text",	1914	text => " $text",
1432	value => $value,	1915	value => $value,
…		…
1451	my $env = $self->{term}->env;	1934	my $env = $self->{term}->env;
1452	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.	1935	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
1453	delete $env->{LC_ALL};	1936	delete $env->{LC_ALL};
1454	$env->{LC_CTYPE} = $self->{term}->locale;	1937	$env->{LC_CTYPE} = $self->{term}->locale;
1455		1938
1456	urxvt::term->new ($env, $self->{term}->resource ("name"),	1939	my $term = urxvt::term->new (
1457	"--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0,	1940	$env, "popup",
		1941	"--perl-lib" => "", "--perl-ext-common" => "",
		1942	"-pty-fd" => -1, "-sl" => 0,
		1943	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1458	"--transient-for" => $self->{term}->parent,	1944	"--transient-for" => $self->{term}->parent,
1459	"-display" => $self->{term}->display_id,	1945	"-display" => $self->{term}->display_id,
1460	"-pe" => "urxvt-popup")	1946	"-pe" => "urxvt-popup",
1461	or die "unable to create popup window\n";	1947	) or die "unable to create popup window\n";
		1948
		1949	unless (delete $term->{urxvt_popup_init_done}) {
		1950	$term->ungrab;
		1951	$term->destroy;
		1952	die "unable to initialise popup window\n";
		1953	}
1462	}	1954	}
1463		1955
1464	sub DESTROY {	1956	sub DESTROY {
1465	my ($self) = @_;	1957	my ($self) = @_;
1466		1958
1467	delete $self->{term}{_destroy}{$self};	1959	delete $self->{term}{_destroy}{$self};
1468	$self->{term}->ungrab;	1960	$self->{term}->ungrab;
1469	}	1961	}
1470		1962
1471	=back	1963	=back
		1964
		1965	=cut
		1966
		1967	package urxvt::watcher;
1472		1968
1473	=head2 The C<urxvt::timer> Class	1969	=head2 The C<urxvt::timer> Class
1474		1970
1475	This class implements timer watchers/events. Time is represented as a	1971	This class implements timer watchers/events. Time is represented as a
1476	fractional number of seconds since the epoch. Example:	1972	fractional number of seconds since the epoch. Example:
…		…
1480	->new	1976	->new
1481	->interval (1)	1977	->interval (1)
1482	->cb (sub {	1978	->cb (sub {
1483	$term->{overlay}->set (0, 0,	1979	$term->{overlay}->set (0, 0,
1484	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);	1980	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
1485	});	1981	});
1486		1982
1487	=over 4	1983	=over 4
1488		1984
1489	=item $timer = new urxvt::timer	1985	=item $timer = new urxvt::timer
1490		1986
…		…
1493		1989
1494	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })	1990	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })
1495		1991
1496	Set the callback to be called when the timer triggers.	1992	Set the callback to be called when the timer triggers.
1497		1993
1498	=item $tstamp = $timer->at
1499
1500	Return the time this watcher will fire next.
1501
1502	=item $timer = $timer->set ($tstamp)	1994	=item $timer = $timer->set ($tstamp[, $interval])
1503		1995
1504	Set the time the event is generated to $tstamp.	1996	Set the time the event is generated to $tstamp (and optionally specifies a
		1997	new $interval).
1505		1998
1506	=item $timer = $timer->interval ($interval)	1999	=item $timer = $timer->interval ($interval)
1507		2000
1508	Normally (and when C<$interval> is C<0>), the timer will automatically	2001	By default (and when C<$interval> is C<0>), the timer will automatically
1509	stop after it has fired once. If C<$interval> is non-zero, then the timer	2002	stop after it has fired once. If C<$interval> is non-zero, then the timer
1510	is automatically rescheduled at the given intervals.	2003	is automatically rescheduled at the given intervals.
1511		2004
1512	=item $timer = $timer->start	2005	=item $timer = $timer->start
1513		2006
1514	Start the timer.	2007	Start the timer.
1515		2008
1516	=item $timer = $timer->start ($tstamp)	2009	=item $timer = $timer->start ($tstamp[, $interval])
1517		2010
1518	Set the event trigger time to C<$tstamp> and start the timer.	2011	Set the event trigger time to C<$tstamp> and start the timer. Optionally
		2012	also replaces the interval.
		2013
		2014	=item $timer = $timer->after ($delay[, $interval])
		2015
		2016	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1519		2017
1520	=item $timer = $timer->stop	2018	=item $timer = $timer->stop
1521		2019
1522	Stop the timer.	2020	Stop the timer.
1523		2021
…		…
1529		2027
1530	$term->{socket} = ...	2028	$term->{socket} = ...
1531	$term->{iow} = urxvt::iow	2029	$term->{iow} = urxvt::iow
1532	->new	2030	->new
1533	->fd (fileno $term->{socket})	2031	->fd (fileno $term->{socket})
1534	->events (urxvt::EVENT_READ)	2032	->events (urxvt::EV_READ)
1535	->start	2033	->start
1536	->cb (sub {	2034	->cb (sub {
1537	my ($iow, $revents) = @_;	2035	my ($iow, $revents) = @_;
1538	# $revents must be 1 here, no need to check	2036	# $revents must be 1 here, no need to check
1539	sysread $term->{socket}, my $buf, 8192	2037	sysread $term->{socket}, my $buf, 8192
…		…
1552	Set the callback to be called when io events are triggered. C<$reventmask>	2050	Set the callback to be called when io events are triggered. C<$reventmask>
1553	is a bitset as described in the C<events> method.	2051	is a bitset as described in the C<events> method.
1554		2052
1555	=item $iow = $iow->fd ($fd)	2053	=item $iow = $iow->fd ($fd)
1556		2054
1557	Set the filedescriptor (not handle) to watch.	2055	Set the file descriptor (not handle) to watch.
1558		2056
1559	=item $iow = $iow->events ($eventmask)	2057	=item $iow = $iow->events ($eventmask)
1560		2058
1561	Set the event mask to watch. The only allowed values are	2059	Set the event mask to watch. The only allowed values are
1562	C<urxvt::EVENT_READ> and C<urxvt::EVENT_WRITE>, which might be ORed	2060	C<urxvt::EV_READ> and C<urxvt::EV_WRITE>, which might be ORed
1563	together, or C<urxvt::EVENT_NONE>.	2061	together, or C<urxvt::EV_NONE>.
1564		2062
1565	=item $iow = $iow->start	2063	=item $iow = $iow->start
1566		2064
1567	Start watching for requested events on the given handle.	2065	Start watching for requested events on the given handle.
1568		2066
1569	=item $iow = $iow->stop	2067	=item $iow = $iow->stop
1570		2068
1571	Stop watching for events on the given filehandle.	2069	Stop watching for events on the given file handle.
		2070
		2071	=back
		2072
		2073	=head2 The C<urxvt::iw> Class
		2074
		2075	This class implements idle watchers, that get called automatically when
		2076	the process is idle. They should return as fast as possible, after doing
		2077	some useful work.
		2078
		2079	=over 4
		2080
		2081	=item $iw = new urxvt::iw
		2082
		2083	Create a new idle watcher object in stopped state.
		2084
		2085	=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
		2086
		2087	Set the callback to be called when the watcher triggers.
		2088
		2089	=item $timer = $timer->start
		2090
		2091	Start the watcher.
		2092
		2093	=item $timer = $timer->stop
		2094
		2095	Stop the watcher.
		2096
		2097	=back
		2098
		2099	=head2 The C<urxvt::pw> Class
		2100
		2101	This class implements process watchers. They create an event whenever a
		2102	process exits, after which they stop automatically.
		2103
		2104	my $pid = fork;
		2105	...
		2106	$term->{pw} = urxvt::pw
		2107	->new
		2108	->start ($pid)
		2109	->cb (sub {
		2110	my ($pw, $exit_status) = @_;
		2111	...
		2112	});
		2113
		2114	=over 4
		2115
		2116	=item $pw = new urxvt::pw
		2117
		2118	Create a new process watcher in stopped state.
		2119
		2120	=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
		2121
		2122	Set the callback to be called when the timer triggers.
		2123
		2124	=item $pw = $timer->start ($pid)
		2125
		2126	Tells the watcher to start watching for process C<$pid>.
		2127
		2128	=item $pw = $pw->stop
		2129
		2130	Stop the watcher.
1572		2131
1573	=back	2132	=back
1574		2133
1575	=head1 ENVIRONMENT	2134	=head1 ENVIRONMENT
1576		2135
…		…
1583		2142
1584	=item == 0 - fatal messages	2143	=item == 0 - fatal messages
1585		2144
1586	=item >= 3 - script loading and management	2145	=item >= 3 - script loading and management
1587		2146
1588	=item >=10 - all events received	2147	=item >=10 - all called hooks
		2148
		2149	=item >=11 - hook return values
1589		2150
1590	=back	2151	=back
1591		2152
1592	=head1 AUTHOR	2153	=head1 AUTHOR
1593		2154
1594	Marc Lehmann <pcg@goof.com>	2155	Marc Lehmann <schmorp@schmorp.de>
1595	http://software.schmorp.de/pkg/rxvt-unicode	2156	http://software.schmorp.de/pkg/rxvt-unicode
1596		2157
1597	=cut	2158	=cut
1598		2159
1599	1	2160	1
		2161
		2162	# vim: sw=3:

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