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Revision 1.77 by root, Wed Jan 11 00:59:58 2006 UTC vs.
Revision 1.232 by sf-exg, Fri May 2 20:33:56 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.
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		50
105	=head1 API DOCUMENTATION	51	=head1 API DOCUMENTATION
106		52
107	=head2 General API Considerations	53	=head2 General API Considerations
108		54
…		…
122		68
123	=over 4	69	=over 4
124		70
125	=item $text	71	=item $text
126		72
127	Rxvt-unicodes special way of encoding text, where one "unicode" character	73	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.	74	always represents one screen cell. See L<ROW_t> for a discussion of this format.
129		75
130	=item $string	76	=item $string
131		77
132	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
133	characters and is to be distinguished with text encoded in a specific	79	characters and is to be distinguished with text encoded in a specific
…		…
136	=item $octets	82	=item $octets
137		83
138	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
139	locale-specific way.	85	locale-specific way.
140		86
		87	=item $keysym
		88
		89	an integer that is a valid X11 keysym code. You can convert a string
		90	into a keysym and viceversa by using C<XStringToKeysym> and
		91	C<XKeysymToString>.
		92
141	=back	93	=back
142		94
143	=head2 Extension Objects	95	=head2 Extension Objects
144		96
145	Very perl extension is a perl class. A separate perl object is created	97	Every perl extension is a perl class. A separate perl object is created
146	for each terminal and each extension and passed as the first parameter to	98	for each terminal, and each terminal has its own set of extension objects,
147	hooks. So extensions can use their C<$self> object without having to think	99	which are passed as the first parameter to hooks. So extensions can use
148	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
149	begin with an underscore character C<_>: these are reserved for internal	102	that begin with an underscore character C<_>: these are reserved for
150	use.	103	internal use.
151		104
152	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
153	C<urxvt::term> class on this object.	106	C<urxvt::term> class on this object.
154		107
155	It has the following methods and data members:	108	Additional methods only supported for extension objects are described in
156		109	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		110
176	=head2 Hooks	111	=head2 Hooks
177		112
178	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
179	called whenever the relevant event happens.	114	called whenever the relevant event happens.
180		115
181	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
182	the in the C<Extension Objects> section.	117	the in the C<Extension Objects> section.
183		118
184	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
185	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
186	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.
187		122
188	I<< When in doubt, return a false value (preferably C<()>). >>	123	I<< When in doubt, return a false value (preferably C<()>). >>
189		124
190	=over 4	125	=over 4
191		126
192	=item on_init $term	127	=item on_init $term
193		128
194	Called after a new terminal object has been initialized, but before	129	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	130	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	131	call or deliver senseless data, as terminal size and other characteristics
197	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
198	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).
199		145
200	=item on_reset $term	146	=item on_reset $term
201		147
202	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
203	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
204	variables.	150	variables.
205		151
206	=item on_start $term	152	=item on_child_start $term, $pid
207		153
208	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.
209	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>.
210		160
211	=item on_sel_make $term, $eventtime	161	=item on_sel_make $term, $eventtime
212		162
213	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
214	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
…		…
221		171
222	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
223	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
224	by calling C<< $term->selection >>.	174	by calling C<< $term->selection >>.
225		175
226	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.
227		177
228	=item on_sel_extend $term	178	=item on_sel_extend $term
229		179
230	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
231	click) and is either supposed to return false (normal operation), or	181	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	182	should extend the selection itself and return true to suppress the built-in
233	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.
234		186
235	See the F<selection> example extension.	187	See the F<selection> example extension.
236		188
237	=item on_view_change $term, $offset	189	=item on_view_change $term, $offset
238		190
239	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
240	scrolls. Offset C<0> means display the normal terminal, positive values	192	scrolls. Offset C<0> means display the normal terminal, positive values
241	show this many lines of scrollback.	193	show this many lines of scrollback.
242		194
243	=item on_scroll_back $term, $lines, $saved	195	=item on_scroll_back $term, $lines, $saved
244		196
…		…
248		200
249	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,	201	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,
250	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total	202	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total
251	number of lines that will be in the scrollback buffer.	203	number of lines that will be in the scrollback buffer.
252		204
253	=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, $resp
254		216
255	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =	217	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
256	operating system command) is processed. Cursor position and other state	218	operating system command) is processed. Cursor position and other state
257	information is up-to-date when this happens. For interoperability, the	219	information is up-to-date when this happens. For interoperability, the
258	string should start with the extension name and a colon, to distinguish	220	string should start with the extension name (sans -osc) and a semicolon,
259	it from commands for other extensions, and this might be enforced in the	221	to distinguish it from commands for other extensions, and this might be
260	future.	222	enforced in the future.
		223
		224	For example, C<overlay-osc> uses this:
		225
		226	sub on_osc_seq_perl {
		227	my ($self, $osc, $resp) = @_;
		228
		229	return unless $osc =~ s/^overlay;//;
		230
		231	... process remaining $osc string
		232	}
261		233
262	Be careful not ever to trust (in a security sense) the data you receive,	234	Be careful not ever to trust (in a security sense) the data you receive,
263	as its source can not easily be controleld (e-mail content, messages from	235	as its source can not easily be controlled (e-mail content, messages from
264	other users on the same system etc.).	236	other users on the same system etc.).
		237
		238	For responses, C<$resp> contains the end-of-args separator used by the
		239	sender.
265		240
266	=item on_add_lines $term, $string	241	=item on_add_lines $term, $string
267		242
268	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
269	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
…		…
274	=item on_tt_write $term, $octets	249	=item on_tt_write $term, $octets
275		250
276	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
277	suppress or filter tty input.	252	suppress or filter tty input.
278		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
279	=item on_line_update $term, $row	261	=item on_line_update $term, $row
280		262
281	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
282	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
283	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,
…		…
290	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
291	you cannot just toggle rendition bits, but only set them.	273	you cannot just toggle rendition bits, but only set them.
292		274
293	=item on_refresh_begin $term	275	=item on_refresh_begin $term
294		276
295	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
296	or similar effects by modify terminal contents in refresh_begin, and	278	similar effects by modifying the terminal contents in refresh_begin, and
297	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
298	code is run after this hook, and takes precedence.	280	code is run after this hook, and takes precedence.
299		281
300	=item on_refresh_end $term	282	=item on_refresh_end $term
301		283
302	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>.
303		285
304	=item on_keyboard_command $term, $string	286	=item on_user_command $term, $string *DEPRECATED*
305		287
306	Called whenever the user presses a key combination that has a	288	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>	289	a C<perl:string> action bound to a key, see description of the B<keysym>
308	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_resize_all_windows $term, $new_width, $new_height
		296
		297	Called just after the new window size has been calculated, but before
		298	windows are actually being resized or hints are being set. If this hook
		299	returns a true value, setting of the window hints is being skipped.
		300
		301	=item on_x_event $term, $event
		302
		303	Called on every X event received on the vt window (and possibly other
		304	windows). Should only be used as a last resort. Most event structure
		305	members are not passed.
		306
		307	=item on_root_event $term, $event
		308
		309	Like C<on_x_event>, but is called for events on the root window.
309		310
310	=item on_focus_in $term	311	=item on_focus_in $term
311		312
312	Called whenever the window gets the keyboard focus, before rxvt-unicode	313	Called whenever the window gets the keyboard focus, before rxvt-unicode
313	does focus in processing.	314	does focus in processing.
314		315
315	=item on_focus_out $term	316	=item on_focus_out $term
316		317
317	Called wheneever the window loses keyboard focus, before rxvt-unicode does	318	Called whenever the window loses keyboard focus, before rxvt-unicode does
318	focus out processing.	319	focus out processing.
319		320
		321	=item on_configure_notify $term, $event
		322
		323	=item on_property_notify $term, $event
		324
320	=item on_key_press $term, $event, $keysym, $octets	325	=item on_key_press $term, $event, $keysym, $octets
321		326
322	=item on_key_release $term, $event, $keysym	327	=item on_key_release $term, $event, $keysym
323		328
324	=item on_button_press $term, $event	329	=item on_button_press $term, $event
…		…
329		334
330	=item on_map_notify $term, $event	335	=item on_map_notify $term, $event
331		336
332	=item on_unmap_notify $term, $event	337	=item on_unmap_notify $term, $event
333		338
334	Called whenever the corresponding X event is received for the terminal If	339	Called whenever the corresponding X event is received for the terminal. If
335	the hook returns true, then the even will be ignored by rxvt-unicode.	340	the hook returns true, then the event will be ignored by rxvt-unicode.
336		341
337	The event is a hash with most values as named by Xlib (see the XEvent	342	The event is a hash with most values as named by Xlib (see the XEvent
338	manpage), with the additional members C<row> and C<col>, which are the row	343	manpage), with the additional members C<row> and C<col>, which are the
339	and column under the mouse cursor.	344	(real, not screen-based) row and column under the mouse cursor.
340		345
341	C<on_key_press> additionally receives the string rxvt-unicode would	346	C<on_key_press> additionally receives the string rxvt-unicode would
342	output, if any, in locale-specific encoding.	347	output, if any, in locale-specific encoding.
343		348
344	subwindow.	349	=item on_client_message $term, $event
		350
		351	=item on_wm_protocols $term, $event
		352
		353	=item on_wm_delete_window $term, $event
		354
		355	Called when various types of ClientMessage events are received (all with
		356	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
		357
		358	=item on_bell $term
		359
		360	Called on receipt of a bell character.
345		361
346	=back	362	=back
347		363
348	=cut	364	=cut
349		365
350	package urxvt;	366	package urxvt;
351		367
352	use utf8;	368	use utf8;
353	use strict;	369	use strict 'vars';
354	use Carp ();	370	use Carp ();
355	use Scalar::Util ();	371	use Scalar::Util ();
356	use List::Util ();	372	use List::Util ();
357		373
358	our $VERSION = 1;	374	our $VERSION = 1;
359	our $TERM;	375	our $TERM;
		376	our @TERM_INIT; # should go, prevents async I/O etc.
		377	our @TERM_EXT; # should go, prevents async I/O etc.
360	our @HOOKNAME;	378	our @HOOKNAME;
361	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;	379	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
362	our %OPTION;	380	our %OPTION;
363		381
364	our $LIBDIR;	382	our $LIBDIR;
365	our $RESNAME;	383	our $RESNAME;
366	our $RESCLASS;	384	our $RESCLASS;
367	our $RXVTNAME;	385	our $RXVTNAME;
368		386
		387	our $NOCHAR = chr 0xffff;
		388
369	=head2 Variables in the C<urxvt> Package	389	=head2 Variables in the C<urxvt> Package
370		390
371	=over 4	391	=over 4
372		392
373	=item $urxvt::LIBDIR	393	=item $urxvt::LIBDIR
…		…
386	=item $urxvt::TERM	406	=item $urxvt::TERM
387		407
388	The current terminal. This variable stores the current C<urxvt::term>	408	The current terminal. This variable stores the current C<urxvt::term>
389	object, whenever a callback/hook is executing.	409	object, whenever a callback/hook is executing.
390		410
391	=item	411	=item @urxvt::TERM_INIT
		412
		413	All code references in this array will be called as methods of the next newly
		414	created C<urxvt::term> object (during the C<on_init> phase). The array
		415	gets cleared before the code references that were in it are being executed,
		416	so references can push themselves onto it again if they so desire.
		417
		418	This complements to the perl-eval command line option, but gets executed
		419	first.
		420
		421	=item @urxvt::TERM_EXT
		422
		423	Works similar to C<@TERM_INIT>, but contains perl package/class names, which
		424	get registered as normal extensions after calling the hooks in C<@TERM_INIT>
		425	but before other extensions. Gets cleared just like C<@TERM_INIT>.
392		426
393	=back	427	=back
394		428
395	=head2 Functions in the C<urxvt> Package	429	=head2 Functions in the C<urxvt> Package
396		430
397	=over 4	431	=over 4
398		432
399	=item urxvt::fatal $errormessage	433	=item urxvt::fatal $errormessage
400		434
401	Fatally aborts execution with the given error message. Avoid at all	435	Fatally aborts execution with the given error message (which should
402	costs! The only time this is acceptable is when the terminal process	436	include a trailing newline). Avoid at all costs! The only time this
403	starts up.	437	is acceptable (and useful) is in the init hook, where it prevents the
		438	terminal from starting up.
404		439
405	=item urxvt::warn $string	440	=item urxvt::warn $string
406		441
407	Calls C<rxvt_warn> with the given string which should not include a	442	Calls C<rxvt_warn> with the given string which should include a trailing
408	newline. The module also overwrites the C<warn> builtin with a function	443	newline. The module also overwrites the C<warn> builtin with a function
409	that calls this function.	444	that calls this function.
410		445
411	Using this function has the advantage that its output ends up in the	446	Using this function has the advantage that its output ends up in the
412	correct place, e.g. on stderr of the connecting urxvtc client.	447	correct place, e.g. on stderr of the connecting urxvtc client.
413		448
414	Messages have a size limit of 1023 bytes currently.	449	Messages have a size limit of 1023 bytes currently.
415		450
416	=item $is_safe = urxvt::safe	451	=item @terms = urxvt::termlist
417		452
418	Returns true when it is safe to do potentially unsafe things, such as	453	Returns all urxvt::term objects that exist in this process, regardless of
419	evaluating perl code specified by the user. This is true when urxvt was	454	whether they are started, being destroyed etc., so be careful. Only term
420	started setuid or setgid.	455	objects that have perl extensions attached will be returned (because there
		456	is no urxvt::term object associated with others).
421		457
422	=item $time = urxvt::NOW	458	=item $time = urxvt::NOW
423		459
424	Returns the "current time" (as per the event loop).	460	Returns the "current time" (as per the event loop).
425		461
426	=item urxvt::CurrentTime	462	=item urxvt::CurrentTime
427		463
428	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,	464	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
429	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,	465	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
430	Button4Mask, Button5Mask, AnyModifier	466	Button4Mask, Button5Mask, AnyModifier
		467
		468	=item urxvt::NoEventMask, KeyPressMask, KeyReleaseMask,
		469	ButtonPressMask, ButtonReleaseMask, EnterWindowMask, LeaveWindowMask,
		470	PointerMotionMask, PointerMotionHintMask, Button1MotionMask, Button2MotionMask,
		471	Button3MotionMask, Button4MotionMask, Button5MotionMask, ButtonMotionMask,
		472	KeymapStateMask, ExposureMask, VisibilityChangeMask, StructureNotifyMask,
		473	ResizeRedirectMask, SubstructureNotifyMask, SubstructureRedirectMask,
		474	FocusChangeMask, PropertyChangeMask, ColormapChangeMask, OwnerGrabButtonMask
		475
		476	=item urxvt::KeyPress, KeyRelease, ButtonPress, ButtonRelease, MotionNotify,
		477	EnterNotify, LeaveNotify, FocusIn, FocusOut, KeymapNotify, Expose,
		478	GraphicsExpose, NoExpose, VisibilityNotify, CreateNotify, DestroyNotify,
		479	UnmapNotify, MapNotify, MapRequest, ReparentNotify, ConfigureNotify,
		480	ConfigureRequest, GravityNotify, ResizeRequest, CirculateNotify,
		481	CirculateRequest, PropertyNotify, SelectionClear, SelectionRequest,
		482	SelectionNotify, ColormapNotify, ClientMessage, MappingNotify
431		483
432	Various constants for use in X calls and event processing.	484	Various constants for use in X calls and event processing.
433		485
434	=back	486	=back
435		487
…		…
452		504
453	=item $rend = urxvt::OVERLAY_RSTYLE	505	=item $rend = urxvt::OVERLAY_RSTYLE
454		506
455	Return the rendition mask used for overlays by default.	507	Return the rendition mask used for overlays by default.
456		508
457	=item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline	509	=item $rendbit = urxvt::RS_Bold, urxvt::RS_Italic, urxvt::RS_Blink,
		510	urxvt::RS_RVid, urxvt::RS_Uline
458		511
459	Return the bit that enabled bold, italic, blink, reverse-video and	512	Return the bit that enabled bold, italic, blink, reverse-video and
460	underline, respectively. To enable such a style, just logically OR it into	513	underline, respectively. To enable such a style, just logically OR it into
461	the bitset.	514	the bitset.
462		515
…		…
468		521
469	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour	522	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour
470		523
471	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour	524	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour
472		525
		526	=item $rend = urxvt::SET_COLOR $rend, $new_fg, $new_bg
		527
473	Replace the foreground/background colour in the rendition mask with the	528	Replace the foreground/background colour in the rendition mask with the
474	specified one.	529	specified one.
475		530
476	=item $value = urxvt::GET_CUSTOM $rend	531	=item $value = urxvt::GET_CUSTOM $rend
477		532
…		…
486	=back	541	=back
487		542
488	=cut	543	=cut
489		544
490	BEGIN {	545	BEGIN {
491	urxvt->bootstrap;
492
493	# overwrite perl's warn	546	# overwrite perl's warn
494	*CORE::GLOBAL::warn = sub {	547	*CORE::GLOBAL::warn = sub {
495	my $msg = join "", @_;	548	my $msg = join "", @_;
496	$msg .= "\n"	549	$msg .= "\n"
497	unless $msg =~ /\n$/;	550	unless $msg =~ /\n$/;
498	urxvt::warn ($msg);	551	urxvt::warn ($msg);
499	};	552	};
500
501	delete $ENV{IFS};
502	delete $ENV{CDPATH};
503	delete $ENV{BASH_ENV};
504	$ENV{PATH} = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin:/opt/sbin";
505	}	553	}
506		554
507	my @hook_count;	555	no warnings 'utf8';
		556
		557	sub parse_resource {
		558	my ($term, $name, $isarg, $longopt, $flag, $value) = @_;
		559
		560	$name =~ y/-/./ if $isarg;
		561
		562	$term->scan_meta;
		563
		564	my $r = $term->{meta}{resource};
		565	keys %$r; # reset iterator
		566	while (my ($pattern, $v) = each %$r) {
		567	if (
		568	$pattern =~ /\.$/
		569	? $pattern eq substr $name, 0, length $pattern
		570	: $pattern eq $name
		571	) {
		572	$name = "$urxvt::RESCLASS.$name";
		573
		574	push @{ $term->{perl_ext_3} }, $v->[0];
		575
		576	if ($v->[1] eq "boolean") {
		577	$term->put_option_db ($name, $flag ? "true" : "false");
		578	return 1;
		579	} else {
		580	$term->put_option_db ($name, $value);
		581	return 1 + 2;
		582	}
		583	}
		584	}
		585
		586	0
		587	}
		588
		589	sub usage {
		590	my ($term, $usage_type) = @_;
		591
		592	$term->scan_meta;
		593
		594	my $r = $term->{meta}{resource};
		595
		596	for my $pattern (sort keys %$r) {
		597	my ($ext, $type, $desc) = @{ $r->{$pattern} };
		598
		599	$desc .= " (-pe $ext)";
		600
		601	if ($usage_type == 1) {
		602	$pattern =~ y/./-/;
		603	$pattern =~ s/-$/-.../g;
		604
		605	if ($type eq "boolean") {
		606	urxvt::log sprintf " -%-30s %s\n", "/+$pattern", $desc;
		607	} else {
		608	urxvt::log sprintf " -%-30s %s\n", "$pattern $type", $desc;
		609	}
		610	} else {
		611	$pattern =~ s/\.$/.*/g;
		612	urxvt::log sprintf " %-31s %s\n", "$pattern:", $type;
		613	}
		614	}
		615	}
		616
508	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};	617	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
509		618
510	sub verbose {	619	sub verbose {
511	my ($level, $msg) = @_;	620	my ($level, $msg) = @_;
512	warn "$msg\n" if $level <= $verbosity;	621	warn "$msg\n" if $level <= $verbosity;
513	}	622	}
514		623
515	my $extension_pkg = "extension0000";
516	my %extension_pkg;	624	my %extension_pkg;
517		625
518	# load a single script into its own package, once only	626	# load a single script into its own package, once only
519	sub extension_package($) {	627	sub extension_package($) {
520	my ($path) = @_;	628	my ($path) = @_;
521		629
522	$extension_pkg{$path} ||= do {	630	$extension_pkg{$path} ||= do {
523	my $pkg = "urxvt::" . ($extension_pkg++);	631	$path =~ /([^\/\\]+)$/;
		632	my $pkg = $1;
		633	$pkg =~ s/[^[:word:]]/_/g;
		634	$pkg = "urxvt::ext::$pkg";
524		635
525	verbose 3, "loading extension '$path' into package '$pkg'";	636	verbose 3, "loading extension '$path' into package '$pkg'";
		637
		638	(${"$pkg\::_NAME"} = $path) =~ s/^.*[\\\/]//; # hackish
526		639
527	open my $fh, "<:raw", $path	640	open my $fh, "<:raw", $path
528	or die "$path: $!";	641	or die "$path: $!";
529		642
530	my $source = untaint	643	my $source =
531	"package $pkg; use strict; use utf8;\n"	644	"package $pkg; use strict 'vars'; use utf8; no warnings 'utf8';\n"
532	. "use base urxvt::term::extension::;\n"
533	. "#line 1 \"$path\"\n{\n"	645	. "#line 1 \"$path\"\n{\n"
534	. (do { local $/; <$fh> })	646	. (do { local $/; <$fh> })
535	. "\n};\n1";	647	. "\n};\n1";
536		648
537	eval $source	649	eval $source
…		…
546	# called by the rxvt core	658	# called by the rxvt core
547	sub invoke {	659	sub invoke {
548	local $TERM = shift;	660	local $TERM = shift;
549	my $htype = shift;	661	my $htype = shift;
550		662
551	if ($htype == 0) { # INIT	663	if ($htype == HOOK_INIT) {
552	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");	664	my @dirs = $TERM->perl_libdirs;
553		665
554	my %ext_arg;	666	my %ext_arg;
555		667
		668	{
		669	my @init = @TERM_INIT;
		670	@TERM_INIT = ();
		671	$_->($TERM) for @init;
		672	my @pkg = @TERM_EXT;
		673	@TERM_EXT = ();
		674	$TERM->register_package ($_) for @pkg;
		675	}
		676
		677	for (
		678	@{ delete $TERM->{perl_ext_3} },
556	for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {	679	grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2
		680	) {
557	if ($_ eq "default") {	681	if ($_ eq "default") {
558	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback);	682	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline);
559	} elsif (/^-(.*)$/) {	683	} elsif (/^-(.*)$/) {
560	delete $ext_arg{$1};	684	delete $ext_arg{$1};
561	} elsif (/^([^<]+)<(.*)>$/) {	685	} elsif (/^([^<]+)<(.*)>$/) {
562	push @{ $ext_arg{$1} }, $2;	686	push @{ $ext_arg{$1} }, $2;
563	} else {	687	} else {
564	$ext_arg{$_} ||= [];	688	$ext_arg{$_} ||= [];
565	}	689	}
566	}	690	}
567		691
568	while (my ($ext, $argv) = each %ext_arg) {	692	for my $ext (sort keys %ext_arg) {
569	my @files = grep -f $_, map "$_/$ext", @dirs;	693	my @files = grep -f $_, map "$_/$ext", @dirs;
570		694
571	if (@files) {	695	if (@files) {
572	$TERM->register_package (extension_package $files[0], $argv);	696	$TERM->register_package (extension_package $files[0], $ext_arg{$ext});
573	} else {	697	} else {
574	warn "perl extension '$ext' not found in perl library search path\n";	698	warn "perl extension '$ext' not found in perl library search path\n";
575	}	699	}
576	}	700	}
577		701
…		…
583		707
584	if (my $cb = $TERM->{_hook}[$htype]) {	708	if (my $cb = $TERM->{_hook}[$htype]) {
585	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"	709	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
586	if $verbosity >= 10;	710	if $verbosity >= 10;
587		711
		712	for my $pkg (
		713	# this hook is only sent to the extension with the name
		714	# matching the first arg
		715	$htype == HOOK_KEYBOARD_DISPATCH
		716	? exists $cb->{"urxvt::ext::$_[0]"} ? "urxvt::ext::" . shift : return undef
588	keys %$cb;	717	: keys %$cb
589		718	) {
590	while (my ($pkg, $cb) = each %$cb) {
591	$retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) }	719	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg} || $TERM, @_) };
592	and last;	720	$retval ||= $retval_;
593		721
594	if ($@) {	722	if ($@) {
595	$TERM->ungrab; # better to lose the grab than the session	723	$TERM->ungrab; # better to lose the grab than the session
596	warn $@;	724	warn $@;
597	}	725	}
598	}	726	}
		727
		728	verbose 11, "$HOOKNAME[$htype] returning <$retval>"
		729	if $verbosity >= 11;
599	}	730	}
600		731
601	if ($htype == 1) { # DESTROY	732	if ($htype == HOOK_DESTROY) {
602	if (my $hook = delete $TERM->{_hook}) {
603	for my $htype (0..$#$hook) {
604	$hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
605	or set_should_invoke $htype, 0;
606	}
607	}
608
609	# clear package objects	733	# clear package objects
610	%$_ = () for values %{ $TERM->{_pkg} };	734	%$_ = () for values %{ $TERM->{_pkg} };
611		735
612	# clear package	736	# clear package
613	%$TERM = ();	737	%$TERM = ();
614	}	738	}
615		739
616	$retval	740	$retval
617	}	741	}
618		742
619	# urxvt::term::extension	743	sub SET_COLOR($$$) {
		744	SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
		745	}
620		746
621	package urxvt::term::extension;	747	sub rend2mask {
622		748	no strict 'refs';
623	sub enable {	749	my ($str, $mask) = (@_, 0);
624	my ($self, %hook) = @_;	750	my %color = ( fg => undef, bg => undef );
625	my $pkg = $self->{_pkg};	751	my @failed;
626		752	for my $spec ( split /\s+/, $str ) {
627	while (my ($name, $cb) = each %hook) {	753	if ( $spec =~ /^([fb]g)[_:-]?(\d+)/i ) {
628	my $htype = $HOOKTYPE{uc $name};	754	$color{lc($1)} = $2;
629	defined $htype	755	} else {
630	or Carp::croak "unsupported hook type '$name'";	756	my $neg = $spec =~ s/^[-^]//;
631		757	unless ( exists &{"RS_$spec"} ) {
632	unless (exists $self->{term}{_hook}[$htype]{$pkg}) {	758	push @failed, $spec;
633	$hook_count[$htype]++	759	next;
634	or urxvt::set_should_invoke $htype, 1;
635	}	760	}
636		761	my $cur = &{"RS_$spec"};
637	$self->{term}{_hook}[$htype]{$pkg} = $cb;	762	if ( $neg ) {
638	}	763	$mask &= ~$cur;
639	}	764	} else {
640		765	$mask |= $cur;
641	sub disable {	766	}
642	my ($self, @hook) = @_;
643	my $pkg = $self->{_pkg};
644
645	for my $name (@hook) {
646	my $htype = $HOOKTYPE{uc $name};
647	defined $htype
648	or Carp::croak "unsupported hook type '$name'";
649
650	if (delete $self->{term}{_hook}[$htype]{$pkg}) {
651	--$hook_count[$htype]
652	or urxvt::set_should_invoke $htype, 0;
653	}	767	}
654	}	768	}
		769	($mask, @color{qw(fg bg)}, \@failed)
655	}	770	}
		771
		772	package urxvt::term::extension;
		773
		774	=head2 The C<urxvt::term::extension> class
		775
		776	Each extension attached to a terminal object is represented by
		777	a C<urxvt::term::extension> object.
		778
		779	You can use these objects, which are passed to all callbacks to store any
		780	state related to the terminal and extension instance.
		781
		782	The methods (And data members) documented below can be called on extension
		783	objects, in addition to call methods documented for the <urxvt::term>
		784	class.
		785
		786	=over 4
		787
		788	=item $urxvt_term = $self->{term}
		789
		790	Returns the C<urxvt::term> object associated with this instance of the
		791	extension. This member I<must not> be changed in any way.
		792
		793	=cut
656		794
657	our $AUTOLOAD;	795	our $AUTOLOAD;
658		796
659	sub AUTOLOAD {	797	sub AUTOLOAD {
660	$AUTOLOAD =~ /:([^:]+)$/	798	$AUTOLOAD =~ /:([^:]+)$/
…		…
673		811
674	sub DESTROY {	812	sub DESTROY {
675	# nop	813	# nop
676	}	814	}
677		815
678	# urxvt::destroy_hook	816	# urxvt::destroy_hook (basically a cheap Guard:: implementation)
679		817
680	sub urxvt::destroy_hook::DESTROY {	818	sub urxvt::destroy_hook::DESTROY {
681	${$_[0]}->();	819	${$_[0]}->();
682	}	820	}
683		821
684	sub urxvt::destroy_hook(&) {	822	sub urxvt::destroy_hook(&) {
685	bless \shift, urxvt::destroy_hook::	823	bless \shift, urxvt::destroy_hook::
686	}	824	}
		825
		826	=item $self->enable ($hook_name => $cb[, $hook_name => $cb..])
		827
		828	Dynamically enable the given hooks (named without the C<on_> prefix) for
		829	this extension, replacing any hook previously installed via C<enable> in
		830	this extension.
		831
		832	This is useful when you want to overwrite time-critical hooks only
		833	temporarily.
		834
		835	To install additional callbacks for the same hook, you can use the C<on>
		836	method of the C<urxvt::term> class.
		837
		838	=item $self->disable ($hook_name[, $hook_name..])
		839
		840	Dynamically disable the given hooks.
		841
		842	=cut
		843
		844	sub enable {
		845	my ($self, %hook) = @_;
		846	my $pkg = $self->{_pkg};
		847
		848	while (my ($name, $cb) = each %hook) {
		849	my $htype = $HOOKTYPE{uc $name};
		850	defined $htype
		851	or Carp::croak "unsupported hook type '$name'";
		852
		853	$self->set_should_invoke ($htype, +1)
		854	unless exists $self->{term}{_hook}[$htype]{$pkg};
		855
		856	$self->{term}{_hook}[$htype]{$pkg} = $cb;
		857	}
		858	}
		859
		860	sub disable {
		861	my ($self, @hook) = @_;
		862	my $pkg = $self->{_pkg};
		863
		864	for my $name (@hook) {
		865	my $htype = $HOOKTYPE{uc $name};
		866	defined $htype
		867	or Carp::croak "unsupported hook type '$name'";
		868
		869	$self->set_should_invoke ($htype, -1)
		870	if delete $self->{term}{_hook}[$htype]{$pkg};
		871	}
		872	}
		873
		874	=item $guard = $self->on ($hook_name => $cb[, $hook_name => $cb..])
		875
		876	Similar to the C<enable> enable, but installs additional callbacks for
		877	the given hook(s) (that is, it doesn't replace existing callbacks), and
		878	returns a guard object. When the guard object is destroyed the callbacks
		879	are disabled again.
		880
		881	=cut
		882
		883	sub urxvt::extension::on_disable::DESTROY {
		884	my $disable = shift;
		885
		886	my $term = delete $disable->{""};
		887
		888	while (my ($htype, $id) = each %$disable) {
		889	delete $term->{_hook}[$htype]{$id};
		890	$term->set_should_invoke ($htype, -1);
		891	}
		892	}
		893
		894	sub on {
		895	my ($self, %hook) = @_;
		896
		897	my $term = $self->{term};
		898
		899	my %disable = ( "" => $term );
		900
		901	while (my ($name, $cb) = each %hook) {
		902	my $htype = $HOOKTYPE{uc $name};
		903	defined $htype
		904	or Carp::croak "unsupported hook type '$name'";
		905
		906	$term->set_should_invoke ($htype, +1);
		907	$term->{_hook}[$htype]{ $disable{$htype} = $cb+0 }
		908	= sub { shift; $cb->($self, @_) }; # very ugly indeed
		909	}
		910
		911	bless \%disable, "urxvt::extension::on_disable"
		912	}
		913
		914	=item $self->x_resource ($pattern)
		915
		916	=item $self->x_resource_boolean ($pattern)
		917
		918	These methods support an additional C<%> prefix when called on an
		919	extension object - see the description of these methods in the
		920	C<urxvt::term> class for details.
		921
		922	=cut
		923
		924	sub x_resource {
		925	my ($self, $name) = @_;
		926	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		927	$self->{term}->x_resource ($name)
		928	}
		929
		930	sub x_resource_boolean {
		931	my ($self, $name) = @_;
		932	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		933	$self->{term}->x_resource_boolean ($name)
		934	}
		935
		936	=back
		937
		938	=cut
687		939
688	package urxvt::anyevent;	940	package urxvt::anyevent;
689		941
690	=head2 The C<urxvt::anyevent> Class	942	=head2 The C<urxvt::anyevent> Class
691		943
692	The sole purpose of this class is to deliver an interface to the	944	The sole purpose of this class is to deliver an interface to the
693	C<AnyEvent> module - any module using it will work inside urxvt without	945	C<AnyEvent> module - any module using it will work inside urxvt without
694	further programming. The only exception is that you cannot wait on	946	further programming. The only exception is that you cannot wait on
695	condition variables, but non-blocking condvar use is ok. What this means	947	condition variables, but non-blocking condvar use is ok.
696	is that you cannot use blocking APIs, but the non-blocking variant should
697	work.
698		948
699	=cut	949	In practical terms this means is that you cannot use blocking APIs, but
		950	the non-blocking variant should work.
700		951
		952	=cut
		953
701	our $VERSION = 1;	954	our $VERSION = '5.23';
702		955
703	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there	956	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
704	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];	957	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
705		958
706	sub timer {	959	sub timer {
…		…
708		961
709	my $cb = $arg{cb};	962	my $cb = $arg{cb};
710		963
711	urxvt::timer	964	urxvt::timer
712	->new	965	->new
713	->start (urxvt::NOW + $arg{after})	966	->after ($arg{after}, $arg{interval})
714	->cb (sub {	967	->cb ($arg{interval} ? $cb : sub {
715	$_[0]->stop; # need to cancel manually	968	$_[0]->stop; # need to cancel manually
716	$cb->();	969	$cb->();
717	})	970	})
718	}	971	}
719		972
720	sub io {	973	sub io {
721	my ($class, %arg) = @_;	974	my ($class, %arg) = @_;
722		975
723	my $cb = $arg{cb};	976	my $cb = $arg{cb};
		977	my $fd = fileno $arg{fh};
		978	defined $fd or $fd = $arg{fh};
724		979
725	bless [$arg{fh}, urxvt::iow	980	bless [$arg{fh}, urxvt::iow
726	->new	981	->new
727	->fd (fileno $arg{fh})	982	->fd ($fd)
728	->events (($arg{poll} =~ /r/ ? 1 : 0)	983	->events (($arg{poll} =~ /r/ ? 1 : 0)
729	| ($arg{poll} =~ /w/ ? 2 : 0))	984	| ($arg{poll} =~ /w/ ? 2 : 0))
730	->start	985	->start
731	->cb (sub {	986	->cb ($cb)
732	$cb->(($_[1] & 1 ? 'r' : '')
733	. ($_[1] & 2 ? 'w' : ''));
734	})],
735	urxvt::anyevent::	987	], urxvt::anyevent::
		988	}
		989
		990	sub idle {
		991	my ($class, %arg) = @_;
		992
		993	my $cb = $arg{cb};
		994
		995	urxvt::iw
		996	->new
		997	->start
		998	->cb ($cb)
		999	}
		1000
		1001	sub child {
		1002	my ($class, %arg) = @_;
		1003
		1004	my $cb = $arg{cb};
		1005
		1006	urxvt::pw
		1007	->new
		1008	->start ($arg{pid})
		1009	->cb (sub {
		1010	$_[0]->stop; # need to cancel manually
		1011	$cb->($_[0]->rpid, $_[0]->rstatus);
		1012	})
736	}	1013	}
737		1014
738	sub DESTROY {	1015	sub DESTROY {
739	$_[0][1]->stop;	1016	$_[0][1]->stop;
740	}	1017	}
741		1018
742	sub condvar {	1019	# only needed for AnyEvent < 6 compatibility
743	bless \my $flag, urxvt::anyevent::condvar::	1020	sub one_event {
744	}
745
746	sub urxvt::anyevent::condvar::broadcast {
747	${$_[0]}++;
748	}
749
750	sub urxvt::anyevent::condvar::wait {
751	unless (${$_[0]}) {
752	Carp::croak "AnyEvent->condvar blocking wait unsupported in urxvt, use a non-blocking API";	1021	Carp::croak "AnyEvent->one_event blocking wait unsupported in urxvt, use a non-blocking API";
753	}
754	}	1022	}
755		1023
756	package urxvt::term;	1024	package urxvt::term;
757		1025
758	=head2 The C<urxvt::term> Class	1026	=head2 The C<urxvt::term> Class
…		…
764	# find on_xxx subs in the package and register them	1032	# find on_xxx subs in the package and register them
765	# as hooks	1033	# as hooks
766	sub register_package {	1034	sub register_package {
767	my ($self, $pkg, $argv) = @_;	1035	my ($self, $pkg, $argv) = @_;
768		1036
		1037	no strict 'refs';
		1038
		1039	urxvt::verbose 6, "register package $pkg to $self";
		1040
		1041	@{"$pkg\::ISA"} = urxvt::term::extension::;
		1042
769	my $proxy = bless {	1043	my $proxy = bless {
770	_pkg => $pkg,	1044	_pkg => $pkg,
		1045	_name => ${"$pkg\::_NAME"}, # hackish
771	argv => $argv,	1046	argv => $argv,
772	}, $pkg;	1047	}, $pkg;
773	Scalar::Util::weaken ($proxy->{term} = $self);	1048	Scalar::Util::weaken ($proxy->{term} = $self);
774		1049
775	$self->{_pkg}{$pkg} = $proxy;	1050	$self->{_pkg}{$pkg} = $proxy;
776		1051
…		…
779	$proxy->enable ($name => $ref);	1054	$proxy->enable ($name => $ref);
780	}	1055	}
781	}	1056	}
782	}	1057	}
783		1058
		1059	sub perl_libdirs {
		1060	map { split /:/ }
		1061	$_[0]->resource ("perl_lib"),
		1062	$ENV{URXVT_PERL_LIB},
		1063	"$ENV{HOME}/.urxvt/ext",
		1064	"$LIBDIR/perl"
		1065	}
		1066
		1067	sub scan_meta {
		1068	my ($self) = @_;
		1069	my @libdirs = perl_libdirs $self;
		1070
		1071	return if $self->{meta_libdirs} eq join "\x00", @libdirs;
		1072
		1073	my %meta;
		1074
		1075	$self->{meta_libdirs} = join "\x00", @libdirs;
		1076	$self->{meta} = \%meta;
		1077
		1078	for my $dir (reverse @libdirs) {
		1079	opendir my $fh, $dir
		1080	or next;
		1081	for my $ext (readdir $fh) {
		1082	$ext !~ /^\./
		1083	and open my $fh, "<", "$dir/$ext"
		1084	or next;
		1085
		1086	while (<$fh>) {
		1087	if (/^#:META:X_RESOURCE:(.*)/) {
		1088	my ($pattern, $type, $desc) = split /:/, $1;
		1089	$pattern =~ s/^%(\.|$)/$ext$1/g; # % in pattern == extension name
		1090	if ($pattern =~ /[^a-zA-Z0-9\-\.]/) {
		1091	warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n";
		1092	} else {
		1093	$meta{resource}{$pattern} = [$ext, $type, $desc];
		1094	}
		1095	} elsif (/^\s*(?:#|$)/) {
		1096	# skip other comments and empty lines
		1097	} else {
		1098	last; # stop parsing on first non-empty non-comment line
		1099	}
		1100	}
		1101	}
		1102	}
		1103	}
		1104
784	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]	1105	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
785		1106
786	Creates a new terminal, very similar as if you had started it with system	1107	Creates a new terminal, very similar as if you had started it with system
787	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a %ENV>-like	1108	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
788	C<hash which defines the environment of the new terminal.	1109	hash which defines the environment of the new terminal.
789		1110
790	Croaks (and probably outputs an error message) if the new instance	1111	Croaks (and probably outputs an error message) if the new instance
791	couldn't be created. Returns C<undef> if the new instance didn't	1112	couldn't be created. Returns C<undef> if the new instance didn't
792	initialise perl, and the terminal object otherwise. The C<init> and	1113	initialise perl, and the terminal object otherwise. The C<init> and
793	C<start> hooks will be called during this call.	1114	C<start> hooks will be called before this call returns, and are free to
		1115	refer to global data (which is race free).
794		1116
795	=cut	1117	=cut
796		1118
797	sub new {	1119	sub new {
798	my ($class, $env, @args) = @_;	1120	my ($class, $env, @args) = @_;
799		1121
		1122	$env or Carp::croak "environment hash missing in call to urxvt::term->new";
		1123	@args or Carp::croak "name argument missing in call to urxvt::term->new";
		1124
800	_new ([ map "$_=$env->{$_}", keys %$env ], @args);	1125	_new ([ map "$_=$env->{$_}", keys %$env ], \@args);
801	}	1126	}
802		1127
803	=item $term->destroy	1128	=item $term->destroy
804		1129
805	Destroy the terminal object (close the window, free resources	1130	Destroy the terminal object (close the window, free resources
806	etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event	1131	etc.). Please note that urxvt will not exit as long as any event
807	watchers (timers, io watchers) are still active.	1132	watchers (timers, io watchers) are still active.
		1133
		1134	=item $term->exec_async ($cmd[, @args])
		1135
		1136	Works like the combination of the C<fork>/C<exec> builtins, which executes
		1137	("starts") programs in the background. This function takes care of setting
		1138	the user environment before exec'ing the command (e.g. C<PATH>) and should
		1139	be preferred over explicit calls to C<exec> or C<system>.
		1140
		1141	Returns the pid of the subprocess or C<undef> on error.
		1142
		1143	=cut
		1144
		1145	sub exec_async {
		1146	my $self = shift;
		1147
		1148	my $pid = fork;
		1149
		1150	return $pid
		1151	if !defined $pid or $pid;
		1152
		1153	%ENV = %{ $self->env };
		1154
		1155	exec @_;
		1156	urxvt::_exit 255;
		1157	}
808		1158
809	=item $isset = $term->option ($optval[, $set])	1159	=item $isset = $term->option ($optval[, $set])
810		1160
811	Returns true if the option specified by C<$optval> is enabled, and	1161	Returns true if the option specified by C<$optval> is enabled, and
812	optionally change it. All option values are stored by name in the hash	1162	optionally change it. All option values are stored by name in the hash
813	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.	1163	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
814		1164
815	Here is a a likely non-exhaustive list of option names, please see the	1165	Here is a likely non-exhaustive list of option names, please see the
816	source file F</src/optinc.h> to see the actual list:	1166	source file F</src/optinc.h> to see the actual list:
817		1167
818	borderLess console cursorBlink cursorUnderline hold iconic insecure	1168	borderLess buffered console cursorBlink cursorUnderline hold iconic
819	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage	1169	insecure intensityStyles iso14755 iso14755_52 jumpScroll loginShell
		1170	mapAlert meta8 mouseWheelScrollPage override_redirect pastableTabs
820	pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating	1171	pointerBlank reverseVideo scrollBar scrollBar_floating scrollBar_right
821	scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer	1172	scrollTtyKeypress scrollTtyOutput scrollWithBuffer secondaryScreen
822	secondaryScreen secondaryScroll skipBuiltinGlyphs transparent	1173	secondaryScroll skipBuiltinGlyphs skipScroll transparent tripleclickwords
823	tripleclickwords utmpInhibit visualBell	1174	urgentOnBell utmpInhibit visualBell
824		1175
825	=item $value = $term->resource ($name[, $newval])	1176	=item $value = $term->resource ($name[, $newval])
826		1177
827	Returns the current resource value associated with a given name and	1178	Returns the current resource value associated with a given name and
828	optionally sets a new value. Setting values is most useful in the C<init>	1179	optionally sets a new value. Setting values is most useful in the C<init>
…		…
837	likely change).	1188	likely change).
838		1189
839	Please note that resource strings will currently only be freed when the	1190	Please note that resource strings will currently only be freed when the
840	terminal is destroyed, so changing options frequently will eat memory.	1191	terminal is destroyed, so changing options frequently will eat memory.
841		1192
842	Here is a a likely non-exhaustive list of resource names, not all of which	1193	Here is a likely non-exhaustive list of resource names, not all of which
843	are supported in every build, please see the source file F</src/rsinc.h>	1194	are supported in every build, please see the source file F</src/rsinc.h>
844	to see the actual list:	1195	to see the actual list:
845		1196
846	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont	1197	answerbackstring backgroundPixmap backspace_key blurradius
847	borderLess color cursorBlink cursorUnderline cutchars delete_key	1198	boldFont boldItalicFont borderLess buffered chdir color cursorBlink
848	display_name embed ext_bwidth fade font geometry hold iconName	1199	cursorUnderline cutchars delete_key depth display_name embed ext_bwidth
849	imFont imLocale inputMethod insecure int_bwidth intensityStyles	1200	fade font geometry hold iconName iconfile imFont imLocale inputMethod
		1201	insecure int_bwidth intensityStyles iso14755 iso14755_52 italicFont
850	italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier	1202	jumpScroll letterSpace lineSpace loginShell mapAlert meta8 modifier
851	mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2	1203	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
852	perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd	1204	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
853	reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating	1205	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
854	scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput	1206	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
855	scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle	1207	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
856	shade term_name title transparent transparent_all tripleclickwords	1208	secondaryScreen secondaryScroll shade skipBuiltinGlyphs skipScroll
		1209	term_name title transient_for transparent tripleclickwords urgentOnBell
857	utmpInhibit visualBell	1210	utmpInhibit visualBell
858		1211
859	=cut	1212	=cut
860		1213
861	sub resource($$;$) {	1214	sub resource($$;$) {
862	my ($self, $name) = (shift, shift);	1215	my ($self, $name) = (shift, shift);
863	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);	1216	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
864	&urxvt::term::_resource	1217	goto &urxvt::term::_resource
865	}	1218	}
866		1219
867	=item $success = $term->parse_keysym ($keysym_spec, $command_string)	1220	=item $value = $term->x_resource ($pattern)
868		1221
		1222	Returns the X-Resource for the given pattern, excluding the program or
		1223	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
		1224	same value as used by this instance of rxvt-unicode. Returns C<undef> if no
		1225	resource with that pattern exists.
		1226
		1227	Extensions that define extra resource or command line arguments also need
		1228	to call this method to access their values.
		1229
		1230	If the method is called on an extension object (basically, from an
		1231	extension), then the special prefix C<%.> will be replaced by the name of
		1232	the extension and a dot, and the lone string C<%> will be replaced by the
		1233	extension name itself. This makes it possible to code extensions so you
		1234	can rename them and get a new set of commandline switches and resources
		1235	without having to change the actual code.
		1236
		1237	This method should only be called during the C<on_start> hook, as there is
		1238	only one resource database per display, and later invocations might return
		1239	the wrong resources.
		1240
		1241	=item $value = $term->x_resource_boolean ($pattern)
		1242
		1243	Like C<x_resource>, above, but interprets the string value as a boolean
		1244	and returns C<1> for true values, C<0> for false values and C<undef> if
		1245	the resource or option isn't specified.
		1246
		1247	You should always use this method to parse boolean resources.
		1248
		1249	=cut
		1250
		1251	sub x_resource_boolean {
		1252	my $res = &x_resource;
		1253
		1254	$res =~ /^\s*(?:true|yes|on|1)\s*$/i ? 1 : defined $res && 0
		1255	}
		1256
		1257	=item $success = $term->parse_keysym ($key, $octets)
		1258
869	Adds a keymap translation exactly as specified via a resource. See the	1259	Adds a key binding exactly as specified via a resource. See the
870	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.	1260	C<keysym> resource in the urxvt(1) manpage.
871		1261
872	=item $rend = $term->rstyle ([$new_rstyle])	1262	=item $rend = $term->rstyle ([$new_rstyle])
873		1263
874	Return and optionally change the current rendition. Text that is output by	1264	Return and optionally change the current rendition. Text that is output by
875	the terminal application will use this style.	1265	the terminal application will use this style.
…		…
883		1273
884	=item ($row, $col) = $term->selection_beg ([$row, $col])	1274	=item ($row, $col) = $term->selection_beg ([$row, $col])
885		1275
886	=item ($row, $col) = $term->selection_end ([$row, $col])	1276	=item ($row, $col) = $term->selection_end ([$row, $col])
887		1277
888	Return the current values of the selection mark, begin or end positions,	1278	Return the current values of the selection mark, begin or end positions.
889	and optionally set them to new values.
890		1279
		1280	When arguments are given, then the selection coordinates are set to
		1281	C<$row> and C<$col>, and the selection screen is set to the current
		1282	screen.
		1283
		1284	=item $screen = $term->selection_screen ([$screen])
		1285
		1286	Returns the current selection screen, and then optionally sets it.
		1287
		1288	=item $term->selection_make ($eventtime[, $rectangular])
		1289
		1290	Tries to make a selection as set by C<selection_beg> and
		1291	C<selection_end>. If C<$rectangular> is true (default: false), a
		1292	rectangular selection will be made. This is the preferred function to make
		1293	a selection.
		1294
891	=item $success = $term->selection_grab ($eventtime)	1295	=item $success = $term->selection_grab ($eventtime[, $clipboard])
892		1296
893	Try to request the primary selection from the server (for example, as set	1297	Try to acquire ownership of the primary (clipboard if C<$clipboard> is
894	by the next method).	1298	true) selection from the server. The corresponding text can be set
		1299	with the next method. No visual feedback will be given. This function
		1300	is mostly useful from within C<on_sel_grab> hooks.
895		1301
896	=item $oldtext = $term->selection ([$newtext])	1302	=item $oldtext = $term->selection ([$newtext, $clipboard])
897		1303
898	Return the current selection text and optionally replace it by C<$newtext>.	1304	Return the current selection (clipboard if C<$clipboard> is true) text
		1305	and optionally replace it by C<$newtext>.
		1306
		1307	=item $term->selection_clear ([$clipboard])
		1308
		1309	Revoke ownership of the primary (clipboard if C<$clipboard> is true) selection.
899		1310
900	=item $term->overlay_simple ($x, $y, $text)	1311	=item $term->overlay_simple ($x, $y, $text)
901		1312
902	Create a simple multi-line overlay box. See the next method for details.	1313	Create a simple multi-line overlay box. See the next method for details.
903		1314
…		…
933		1344
934	The methods currently supported on C<urxvt::overlay> objects are:	1345	The methods currently supported on C<urxvt::overlay> objects are:
935		1346
936	=over 4	1347	=over 4
937		1348
938	=item $overlay->set ($x, $y, $text, $rend)	1349	=item $overlay->set ($x, $y, $text[, $rend])
939		1350
940	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts	1351	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts
941	text in rxvt-unicode's special encoding and an array of rendition values	1352	text in rxvt-unicode's special encoding and an array of rendition values
942	at a specific position inside the overlay.	1353	at a specific position inside the overlay.
		1354
		1355	If C<$rend> is missing, then the rendition will not be changed.
943		1356
944	=item $overlay->hide	1357	=item $overlay->hide
945		1358
946	If visible, hide the overlay, but do not destroy it.	1359	If visible, hide the overlay, but do not destroy it.
947		1360
…		…
992	Convert the given locale-encoded octets into a perl string.	1405	Convert the given locale-encoded octets into a perl string.
993		1406
994	=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])	1407	=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])
995		1408
996	XORs the rendition values in the given span with the provided value	1409	XORs the rendition values in the given span with the provided value
997	(default: C<RS_RVid>). Useful in refresh hooks to provide effects similar	1410	(default: C<RS_RVid>), which I<MUST NOT> contain font styles. Useful in
998	to the selection.	1411	refresh hooks to provide effects similar to the selection.
999		1412
1000	=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])	1413	=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])
1001		1414
1002	Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing	1415	Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing
1003	whitespace will additionally be xored with the C<$rstyle2>, which defaults	1416	whitespace will additionally be xored with the C<$rstyle2>, which defaults
1004	to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines	1417	to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines
1005	it instead.	1418	it instead. Both styles I<MUST NOT> contain font styles.
1006		1419
1007	=item $term->scr_bell	1420	=item $term->scr_bell
1008		1421
1009	Ring the bell!	1422	Ring the bell!
1010		1423
…		…
1017		1430
1018	Normally its not a good idea to use this function, as programs might be	1431	Normally its not a good idea to use this function, as programs might be
1019	confused by changes in cursor position or scrolling. Its useful inside a	1432	confused by changes in cursor position or scrolling. Its useful inside a
1020	C<on_add_lines> hook, though.	1433	C<on_add_lines> hook, though.
1021		1434
		1435	=item $term->scr_change_screen ($screen)
		1436
		1437	Switch to given screen - 0 primary, 1 secondary.
		1438
1022	=item $term->cmd_parse ($octets)	1439	=item $term->cmd_parse ($octets)
1023		1440
1024	Similar to C<scr_add_lines>, but the argument must be in the	1441	Similar to C<scr_add_lines>, but the argument must be in the
1025	locale-specific encoding of the terminal and can contain command sequences	1442	locale-specific encoding of the terminal and can contain command sequences
1026	(escape codes) that will be interpreted.	1443	(escape codes) that will be interpreted.
1027		1444
1028	=item $term->tt_write ($octets)	1445	=item $term->tt_write ($octets)
1029		1446
1030	Write the octets given in C<$data> to the tty (i.e. as program input). To	1447	Write the octets given in C<$octets> to the tty (i.e. as program input). To
1031	pass characters instead of octets, you should convert your strings first	1448	pass characters instead of octets, you should convert your strings first
1032	to the locale-specific encoding using C<< $term->locale_encode >>.	1449	to the locale-specific encoding using C<< $term->locale_encode >>.
		1450
		1451	=item $term->tt_paste ($octets)
		1452
		1453	Write the octets given in C<$octets> to the tty as a paste, converting NL to
		1454	CR and bracketing the data with control sequences if bracketed paste mode
		1455	is set.
1033		1456
1034	=item $old_events = $term->pty_ev_events ([$new_events])	1457	=item $old_events = $term->pty_ev_events ([$new_events])
1035		1458
1036	Replaces the event mask of the pty watcher by the given event mask. Can	1459	Replaces the event mask of the pty watcher by the given event mask. Can
1037	be used to suppress input and output handling to the pty/tty. See the	1460	be used to suppress input and output handling to the pty/tty. See the
1038	description of C<< urxvt::timer->events >>. Make sure to always restore	1461	description of C<< urxvt::timer->events >>. Make sure to always restore
1039	the previous value.	1462	the previous value.
1040		1463
		1464	=item $fd = $term->pty_fd
		1465
		1466	Returns the master file descriptor for the pty in use, or C<-1> if no pty
		1467	is used.
		1468
1041	=item $windowid = $term->parent	1469	=item $windowid = $term->parent
1042		1470
1043	Return the window id of the toplevel window.	1471	Return the window id of the toplevel window.
1044		1472
1045	=item $windowid = $term->vt	1473	=item $windowid = $term->vt
1046		1474
1047	Return the window id of the terminal window.	1475	Return the window id of the terminal window.
1048		1476
		1477	=item $term->vt_emask_add ($x_event_mask)
		1478
		1479	Adds the specified events to the vt event mask. Useful e.g. when you want
		1480	to receive pointer events all the times:
		1481
		1482	$term->vt_emask_add (urxvt::PointerMotionMask);
		1483
		1484	=item $term->set_urgency ($set)
		1485
		1486	Enable/disable the urgency hint on the toplevel window.
		1487
		1488	=item $term->focus_in
		1489
		1490	=item $term->focus_out
		1491
		1492	=item $term->key_press ($state, $keycode[, $time])
		1493
		1494	=item $term->key_release ($state, $keycode[, $time])
		1495
		1496	Deliver various fake events to to terminal.
		1497
1049	=item $window_width = $term->width	1498	=item $window_width = $term->width
1050		1499
1051	=item $window_height = $term->height	1500	=item $window_height = $term->height
1052		1501
1053	=item $font_width = $term->fwidth	1502	=item $font_width = $term->fwidth
…		…
1066		1515
1067	=item $max_scrollback = $term->saveLines	1516	=item $max_scrollback = $term->saveLines
1068		1517
1069	=item $nrow_plus_saveLines = $term->total_rows	1518	=item $nrow_plus_saveLines = $term->total_rows
1070		1519
1071	=item $lines_in_scrollback = $term->nsaved	1520	=item $topmost_scrollback_row = $term->top_row
1072		1521
1073	Return various integers describing terminal characteristics.	1522	Return various integers describing terminal characteristics.
1074		1523
1075	=item $x_display = $term->display_id	1524	=item $x_display = $term->display_id
1076		1525
…		…
1083	=item $env = $term->env	1532	=item $env = $term->env
1084		1533
1085	Returns a copy of the environment in effect for the terminal as a hashref	1534	Returns a copy of the environment in effect for the terminal as a hashref
1086	similar to C<\%ENV>.	1535	similar to C<\%ENV>.
1087		1536
		1537	=item @envv = $term->envv
		1538
		1539	Returns the environment as array of strings of the form C<VAR=VALUE>.
		1540
		1541	=item @argv = $term->argv
		1542
		1543	Return the argument vector as this terminal, similar to @ARGV, but
		1544	includes the program name as first element.
		1545
1088	=cut	1546	=cut
1089		1547
1090	sub env {	1548	sub env {
1091	if (my $env = $_[0]->_env) {
1092	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), @$env }	1549	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), $_[0]->envv }
1093	} else {
1094	+{ %ENV }
1095	}
1096	}	1550	}
1097		1551
1098	=item $modifiermask = $term->ModLevel3Mask	1552	=item $modifiermask = $term->ModLevel3Mask
1099		1553
1100	=item $modifiermask = $term->ModMetaMask	1554	=item $modifiermask = $term->ModMetaMask
…		…
1102	=item $modifiermask = $term->ModNumLockMask	1556	=item $modifiermask = $term->ModNumLockMask
1103		1557
1104	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often	1558	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
1105	AltGr), the meta key (often Alt) and the num lock key, if applicable.	1559	AltGr), the meta key (often Alt) and the num lock key, if applicable.
1106		1560
		1561	=item $screen = $term->current_screen
		1562
		1563	Returns the currently displayed screen (0 primary, 1 secondary).
		1564
		1565	=item $cursor_is_hidden = $term->hidden_cursor
		1566
		1567	Returns whether the cursor is currently hidden or not.
		1568
1107	=item $view_start = $term->view_start ([$newvalue])	1569	=item $view_start = $term->view_start ([$newvalue])
1108		1570
1109	Returns the negative row number of the topmost line. Minimum value is	1571	Returns the row number of the topmost displayed line. Maximum value is
1110	C<0>, which displays the normal terminal contents. Larger values scroll	1572	C<0>, which displays the normal terminal contents. Lower values scroll
1111	this many lines into the scrollback buffer.	1573	this many lines into the scrollback buffer.
1112		1574
1113	=item $term->want_refresh	1575	=item $term->want_refresh
1114		1576
1115	Requests a screen refresh. At the next opportunity, rxvt-unicode will	1577	Requests a screen refresh. At the next opportunity, rxvt-unicode will
…		…
1118		1580
1119	Used after changing terminal contents to display them.	1581	Used after changing terminal contents to display them.
1120		1582
1121	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])	1583	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
1122		1584
1123	Returns the text of the entire row with number C<$row_number>. Row C<0>	1585	Returns the text of the entire row with number C<$row_number>. Row C<< $term->top_row >>
1124	is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost	1586	is the topmost terminal line, row C<< $term->nrow-1 >> is the bottommost
1125	terminal line. The scrollback buffer starts at line C<-1> and extends to
1126	line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line	1587	terminal line. Nothing will be returned if a nonexistent line
1127	is requested.	1588	is requested.
1128		1589
1129	If C<$new_text> is specified, it will replace characters in the current	1590	If C<$new_text> is specified, it will replace characters in the current
1130	line, starting at column C<$start_col> (default C<0>), which is useful	1591	line, starting at column C<$start_col> (default C<0>), which is useful
1131	to replace only parts of a line. The font index in the rendition will	1592	to replace only parts of a line. The font index in the rendition will
1132	automatically be updated.	1593	automatically be updated.
1133		1594
1134	C<$text> is in a special encoding: tabs and wide characters that use more	1595	C<$text> is in a special encoding: tabs and wide characters that use more
1135	than one cell when displayed are padded with urxvt::NOCHAR characters	1596	than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
1136	(C<chr 65535>). Characters with combining characters and other characters	1597	characters. Characters with combining characters and other characters that
1137	that do not fit into the normal tetx encoding will be replaced with	1598	do not fit into the normal text encoding will be replaced with characters
1138	characters in the private use area.	1599	in the private use area.
1139		1600
1140	You have to obey this encoding when changing text. The advantage is	1601	You have to obey this encoding when changing text. The advantage is
1141	that C<substr> and similar functions work on screen cells and not on	1602	that C<substr> and similar functions work on screen cells and not on
1142	characters.	1603	characters.
1143		1604
…		…
1194	Return the row number of the first/last row of the line, respectively.	1655	Return the row number of the first/last row of the line, respectively.
1195		1656
1196	=item $offset = $line->offset_of ($row, $col)	1657	=item $offset = $line->offset_of ($row, $col)
1197		1658
1198	Returns the character offset of the given row|col pair within the logical	1659	Returns the character offset of the given row|col pair within the logical
1199	line.	1660	line. Works for rows outside the line, too, and returns corresponding
		1661	offsets outside the string.
1200		1662
1201	=item ($row, $col) = $line->coord_of ($offset)	1663	=item ($row, $col) = $line->coord_of ($offset)
1202		1664
1203	Translates a string offset into terminal coordinates again.	1665	Translates a string offset into terminal coordinates again.
1204		1666
…		…
1226	}	1688	}
1227		1689
1228	sub urxvt::line::t {	1690	sub urxvt::line::t {
1229	my ($self) = @_;	1691	my ($self) = @_;
1230		1692
1231	if (@_ > 1)	1693	if (@_ > 1) {
1232	{
1233	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1694	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1234	for $self->{beg} .. $self->{end};	1695	for $self->{beg} .. $self->{end};
1235	}	1696	}
1236		1697
1237	defined wantarray &&	1698	defined wantarray &&
1238	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),	1699	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),
1239	0, $self->{len}	1700	0, $self->{len}
1240	}	1701	}
1241		1702
1242	sub urxvt::line::r {	1703	sub urxvt::line::r {
1243	my ($self) = @_;	1704	my ($self) = @_;
1244		1705
1245	if (@_ > 1)	1706	if (@_ > 1) {
1246	{
1247	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1707	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1248	for $self->{beg} .. $self->{end};	1708	for $self->{beg} .. $self->{end};
1249	}	1709	}
1250		1710
1251	if (defined wantarray) {	1711	if (defined wantarray) {
1252	my $rend = [	1712	my $rend = [
1253	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}	1713	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}
1254	];	1714	];
…		…
1286	where one character corresponds to one screen cell. See	1746	where one character corresponds to one screen cell. See
1287	C<< $term->ROW_t >> for details.	1747	C<< $term->ROW_t >> for details.
1288		1748
1289	=item $string = $term->special_decode $text	1749	=item $string = $term->special_decode $text
1290		1750
1291	Converts rxvt-unicodes text reprsentation into a perl string. See	1751	Converts rxvt-unicodes text representation into a perl string. See
1292	C<< $term->ROW_t >> for details.	1752	C<< $term->ROW_t >> for details.
1293		1753
1294	=item $success = $term->grab_button ($button, $modifiermask)	1754	=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
1295		1755
		1756	=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
		1757
1296	Registers a synchronous button grab. See the XGrabButton manpage.	1758	Register/unregister a synchronous button grab. See the XGrabButton
		1759	manpage.
1297		1760
1298	=item $success = $term->grab ($eventtime[, $sync])	1761	=item $success = $term->grab ($eventtime[, $sync])
1299		1762
1300	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or	1763	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1301	synchronous (C<$sync> is true). Also remembers the grab timestampe.	1764	synchronous (C<$sync> is true). Also remembers the grab timestamp.
1302		1765
1303	=item $term->allow_events_async	1766	=item $term->allow_events_async
1304		1767
1305	Calls XAllowEvents with AsyncBoth for the most recent grab.	1768	Calls XAllowEvents with AsyncBoth for the most recent grab.
1306		1769
…		…
1313	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most	1776	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
1314	recent grab.	1777	recent grab.
1315		1778
1316	=item $term->ungrab	1779	=item $term->ungrab
1317		1780
1318	Calls XUngrab for the most recent grab. Is called automatically on	1781	Calls XUngrabPointer and XUngrabKeyboard for the most recent grab. Is called automatically on
1319	evaluation errors, as it is better to lose the grab in the error case as	1782	evaluation errors, as it is better to lose the grab in the error case as
1320	the session.	1783	the session.
		1784
		1785	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
		1786
		1787	=item $atom_name = $term->XGetAtomName ($atom)
		1788
		1789	=item @atoms = $term->XListProperties ($window)
		1790
		1791	=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
		1792
		1793	=item $term->XChangeProperty ($window, $property, $type, $format, $octets)
		1794
		1795	=item $term->XDeleteProperty ($window, $property)
		1796
		1797	=item $window = $term->DefaultRootWindow
		1798
		1799	=item $term->XReparentWindow ($window, $parent, [$x, $y])
		1800
		1801	=item $term->XMapWindow ($window)
		1802
		1803	=item $term->XUnmapWindow ($window)
		1804
		1805	=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
		1806
		1807	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
		1808
		1809	=item $term->XChangeInput ($window, $add_events[, $del_events])
		1810
		1811	=item $keysym = $term->XStringToKeysym ($string)
		1812
		1813	=item $string = $term->XKeysymToString ($keysym)
		1814
		1815	Various X or X-related functions. The C<$term> object only serves as
		1816	the source of the display, otherwise those functions map more-or-less
		1817	directly onto the X functions of the same name.
1321		1818
1322	=back	1819	=back
1323		1820
1324	=cut	1821	=cut
1325		1822
…		…
1389	my ($self, $text, $cb) = @_;	1886	my ($self, $text, $cb) = @_;
1390		1887
1391	$self->add_item ({ type => "button", text => $text, activate => $cb});	1888	$self->add_item ({ type => "button", text => $text, activate => $cb});
1392	}	1889	}
1393		1890
1394	=item $popup->add_toggle ($text, $cb, $initial_value)	1891	=item $popup->add_toggle ($text, $initial_value, $cb)
1395		1892
1396	Adds a toggle/checkbox item to the popup. Teh callback gets called	1893	Adds a toggle/checkbox item to the popup. The callback gets called
1397	whenever it gets toggled, with a boolean indicating its value as its first	1894	whenever it gets toggled, with a boolean indicating its new value as its
1398	argument.	1895	first argument.
1399		1896
1400	=cut	1897	=cut
1401		1898
1402	sub add_toggle {	1899	sub add_toggle {
1403	my ($self, $text, $cb, $value) = @_;	1900	my ($self, $text, $value, $cb) = @_;
1404		1901
1405	my $item; $item = {	1902	my $item; $item = {
1406	type => "button",	1903	type => "button",
1407	text => " $text",	1904	text => " $text",
1408	value => $value,	1905	value => $value,
…		…
1427	my $env = $self->{term}->env;	1924	my $env = $self->{term}->env;
1428	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.	1925	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
1429	delete $env->{LC_ALL};	1926	delete $env->{LC_ALL};
1430	$env->{LC_CTYPE} = $self->{term}->locale;	1927	$env->{LC_CTYPE} = $self->{term}->locale;
1431		1928
1432	urxvt::term->new ($env, $self->{term}->resource ("name"),	1929	my $term = urxvt::term->new (
1433	"--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0,	1930	$env, "popup",
		1931	"--perl-lib" => "", "--perl-ext-common" => "",
		1932	"-pty-fd" => -1, "-sl" => 0,
		1933	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1434	"--transient-for" => $self->{term}->parent,	1934	"--transient-for" => $self->{term}->parent,
1435	"-display" => $self->{term}->display_id,	1935	"-display" => $self->{term}->display_id,
1436	"-pe" => "urxvt-popup")	1936	"-pe" => "urxvt-popup",
1437	or die "unable to create popup window\n";	1937	) or die "unable to create popup window\n";
		1938
		1939	unless (delete $term->{urxvt_popup_init_done}) {
		1940	$term->ungrab;
		1941	$term->destroy;
		1942	die "unable to initialise popup window\n";
		1943	}
1438	}	1944	}
1439		1945
1440	sub DESTROY {	1946	sub DESTROY {
1441	my ($self) = @_;	1947	my ($self) = @_;
1442		1948
1443	delete $self->{term}{_destroy}{$self};	1949	delete $self->{term}{_destroy}{$self};
1444	$self->{term}->ungrab;	1950	$self->{term}->ungrab;
1445	}	1951	}
		1952
		1953	=back
		1954
		1955	=cut
		1956
		1957	package urxvt::watcher;
1446		1958
1447	=head2 The C<urxvt::timer> Class	1959	=head2 The C<urxvt::timer> Class
1448		1960
1449	This class implements timer watchers/events. Time is represented as a	1961	This class implements timer watchers/events. Time is represented as a
1450	fractional number of seconds since the epoch. Example:	1962	fractional number of seconds since the epoch. Example:
…		…
1454	->new	1966	->new
1455	->interval (1)	1967	->interval (1)
1456	->cb (sub {	1968	->cb (sub {
1457	$term->{overlay}->set (0, 0,	1969	$term->{overlay}->set (0, 0,
1458	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);	1970	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
1459	});	1971	});
1460		1972
1461	=over 4	1973	=over 4
1462		1974
1463	=item $timer = new urxvt::timer	1975	=item $timer = new urxvt::timer
1464		1976
…		…
1467		1979
1468	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })	1980	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })
1469		1981
1470	Set the callback to be called when the timer triggers.	1982	Set the callback to be called when the timer triggers.
1471		1983
1472	=item $tstamp = $timer->at
1473
1474	Return the time this watcher will fire next.
1475
1476	=item $timer = $timer->set ($tstamp)	1984	=item $timer = $timer->set ($tstamp[, $interval])
1477		1985
1478	Set the time the event is generated to $tstamp.	1986	Set the time the event is generated to $tstamp (and optionally specifies a
		1987	new $interval).
1479		1988
1480	=item $timer = $timer->interval ($interval)	1989	=item $timer = $timer->interval ($interval)
1481		1990
1482	Normally (and when C<$interval> is C<0>), the timer will automatically	1991	By default (and when C<$interval> is C<0>), the timer will automatically
1483	stop after it has fired once. If C<$interval> is non-zero, then the timer	1992	stop after it has fired once. If C<$interval> is non-zero, then the timer
1484	is automatically rescheduled at the given intervals.	1993	is automatically rescheduled at the given intervals.
1485		1994
1486	=item $timer = $timer->start	1995	=item $timer = $timer->start
1487		1996
1488	Start the timer.	1997	Start the timer.
1489		1998
1490	=item $timer = $timer->start ($tstamp)	1999	=item $timer = $timer->start ($tstamp[, $interval])
1491		2000
1492	Set the event trigger time to C<$tstamp> and start the timer.	2001	Set the event trigger time to C<$tstamp> and start the timer. Optionally
		2002	also replaces the interval.
		2003
		2004	=item $timer = $timer->after ($delay[, $interval])
		2005
		2006	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1493		2007
1494	=item $timer = $timer->stop	2008	=item $timer = $timer->stop
1495		2009
1496	Stop the timer.	2010	Stop the timer.
1497		2011
…		…
1503		2017
1504	$term->{socket} = ...	2018	$term->{socket} = ...
1505	$term->{iow} = urxvt::iow	2019	$term->{iow} = urxvt::iow
1506	->new	2020	->new
1507	->fd (fileno $term->{socket})	2021	->fd (fileno $term->{socket})
1508	->events (urxvt::EVENT_READ)	2022	->events (urxvt::EV_READ)
1509	->start	2023	->start
1510	->cb (sub {	2024	->cb (sub {
1511	my ($iow, $revents) = @_;	2025	my ($iow, $revents) = @_;
1512	# $revents must be 1 here, no need to check	2026	# $revents must be 1 here, no need to check
1513	sysread $term->{socket}, my $buf, 8192	2027	sysread $term->{socket}, my $buf, 8192
…		…
1526	Set the callback to be called when io events are triggered. C<$reventmask>	2040	Set the callback to be called when io events are triggered. C<$reventmask>
1527	is a bitset as described in the C<events> method.	2041	is a bitset as described in the C<events> method.
1528		2042
1529	=item $iow = $iow->fd ($fd)	2043	=item $iow = $iow->fd ($fd)
1530		2044
1531	Set the filedescriptor (not handle) to watch.	2045	Set the file descriptor (not handle) to watch.
1532		2046
1533	=item $iow = $iow->events ($eventmask)	2047	=item $iow = $iow->events ($eventmask)
1534		2048
1535	Set the event mask to watch. The only allowed values are	2049	Set the event mask to watch. The only allowed values are
1536	C<urxvt::EVENT_READ> and C<urxvt::EVENT_WRITE>, which might be ORed	2050	C<urxvt::EV_READ> and C<urxvt::EV_WRITE>, which might be ORed
1537	together, or C<urxvt::EVENT_NONE>.	2051	together, or C<urxvt::EV_NONE>.
1538		2052
1539	=item $iow = $iow->start	2053	=item $iow = $iow->start
1540		2054
1541	Start watching for requested events on the given handle.	2055	Start watching for requested events on the given handle.
1542		2056
1543	=item $iow = $iow->stop	2057	=item $iow = $iow->stop
1544		2058
1545	Stop watching for events on the given filehandle.	2059	Stop watching for events on the given file handle.
		2060
		2061	=back
		2062
		2063	=head2 The C<urxvt::iw> Class
		2064
		2065	This class implements idle watchers, that get called automatically when
		2066	the process is idle. They should return as fast as possible, after doing
		2067	some useful work.
		2068
		2069	=over 4
		2070
		2071	=item $iw = new urxvt::iw
		2072
		2073	Create a new idle watcher object in stopped state.
		2074
		2075	=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
		2076
		2077	Set the callback to be called when the watcher triggers.
		2078
		2079	=item $timer = $timer->start
		2080
		2081	Start the watcher.
		2082
		2083	=item $timer = $timer->stop
		2084
		2085	Stop the watcher.
		2086
		2087	=back
		2088
		2089	=head2 The C<urxvt::pw> Class
		2090
		2091	This class implements process watchers. They create an event whenever a
		2092	process exits, after which they stop automatically.
		2093
		2094	my $pid = fork;
		2095	...
		2096	$term->{pw} = urxvt::pw
		2097	->new
		2098	->start ($pid)
		2099	->cb (sub {
		2100	my ($pw, $exit_status) = @_;
		2101	...
		2102	});
		2103
		2104	=over 4
		2105
		2106	=item $pw = new urxvt::pw
		2107
		2108	Create a new process watcher in stopped state.
		2109
		2110	=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
		2111
		2112	Set the callback to be called when the timer triggers.
		2113
		2114	=item $pw = $timer->start ($pid)
		2115
		2116	Tells the watcher to start watching for process C<$pid>.
		2117
		2118	=item $pw = $pw->stop
		2119
		2120	Stop the watcher.
1546		2121
1547	=back	2122	=back
1548		2123
1549	=head1 ENVIRONMENT	2124	=head1 ENVIRONMENT
1550		2125
…		…
1557		2132
1558	=item == 0 - fatal messages	2133	=item == 0 - fatal messages
1559		2134
1560	=item >= 3 - script loading and management	2135	=item >= 3 - script loading and management
1561		2136
1562	=item >=10 - all events received	2137	=item >=10 - all called hooks
		2138
		2139	=item >=11 - hook return values
1563		2140
1564	=back	2141	=back
1565		2142
1566	=head1 AUTHOR	2143	=head1 AUTHOR
1567		2144
1568	Marc Lehmann <pcg@goof.com>	2145	Marc Lehmann <schmorp@schmorp.de>
1569	http://software.schmorp.de/pkg/rxvt-unicode	2146	http://software.schmorp.de/pkg/rxvt-unicode
1570		2147
1571	=cut	2148	=cut
1572		2149
1573	1	2150	1
		2151
		2152	# vim: sw=3:

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