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Revision 1.74 by root, Tue Jan 10 04:26:54 2006 UTC vs.
Revision 1.220 by root, Tue Jun 19 18:17:56 2012 UTC

…		…
17		17
18	@@RXVT_NAME@@ --perl-lib $HOME -pe grab_test	18	@@RXVT_NAME@@ --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 @@RXVT_NAME@@d, where
29	scripts will be shared (but not enabled) for all terminals.	29	scripts will be shared (but not enabled) for all terminals.
30		30
31	=head2 Prepackaged Extensions	31	You can disable the embedded perl interpreter by setting both "perl-ext"
		32	and "perl-ext-common" resources to the empty string.
32		33
33	This section describes the extensiosn delivered with this version. You can	34	=head1 PREPACKAGED EXTENSIONS
34	find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>.	35
		36	A number of extensions are delivered with this release. You can find them
		37	in F<@@RXVT_LIBDIR@@/urxvt/perl/>, and the documentation can be viewed
		38	using 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	@@RXVT_NAME@@ -pe <extensionname>
39		43
40	=over 4	44	Or by adding them to the resource for extensions loaded by default:
41		45
42	=item selection (enabled by default)	46	URxvt.perl-ext-common: default,selection-autotransform
43		47
44	Intelligent selection. This extension tries to be more intelligent when	48	Extensions that add command line parameters or resources on their own are
45	the user extends selections (double-click). Right now, it tries to select	49	loaded automatically when used.
46	urls and complete shell-quoted arguments, which is very convenient, too,
47	if your F<ls> supports C<--quoting-style=shell>.
48		50
49	It also offers the following bindable event:	51	=head1 API DOCUMENTATION
50
51	=over 4
52
53	=item rot13
54
55	Rot-13 the selection when activated. Used via keyboard trigger:
56
57	URxvt.keysym.C-M-r: perl:selection:rot13
58
59	=back
60
61	=item option-popup (enabled by default)
62
63	Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at
64	runtime.
65
66	=item selection-popup (enabled by default)
67
68	Binds a popup menu to Ctrl-Button3 that lets you convert the selection
69	text into various other formats/action.
70
71	=item searchable-scrollback<hotkey> (enabled by default)
72
73	Adds regex search functionality to the scrollback buffer, triggered
74	by a hotkey (default: C<M-s>). When in search mode, normal terminal
75	input/output is suspended.
76
77	C</> starts an incremental regex search, C<n> searches further, C<p> or
78	C<N> jump to the previous match, C<G> jumps to the bottom and clears the
79	history, C<enter> leaves search mode at the current position and C<escape>
80	returns to the original position.
81
82	=item digital-clock
83
84	Displays a digital clock using the built-in overlay.
85
86	=item mark-urls
87
88	Uses per-line display filtering (C<on_line_update>) to underline urls.
89
90	=item block-graphics-to-ascii
91
92	A not very useful example of filtering all text output to the terminal,
93	by replacing all line-drawing characters (U+2500 .. U+259F) by a
94	similar-looking ascii character.
95
96	=item example-refresh-hooks
97
98	Displays a very simple digital clock in the upper right corner of the
99	window. Illustrates overwriting the refresh callbacks to create your own
100	overlays or changes.
101
102	=back
103		52
104	=head2 General API Considerations	53	=head2 General API Considerations
105		54
106	All objects (such as terminals, time watchers etc.) are typical	55	All objects (such as terminals, time watchers etc.) are typical
107	reference-to-hash objects. The hash can be used to store anything you	56	reference-to-hash objects. The hash can be used to store anything you
…		…
119		68
120	=over 4	69	=over 4
121		70
122	=item $text	71	=item $text
123		72
124	Rxvt-unicodes special way of encoding text, where one "unicode" character	73	Rxvt-unicode's special way of encoding text, where one "unicode" character
125	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.
126		75
127	=item $string	76	=item $string
128		77
129	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
130	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
…		…
133	=item $octets	82	=item $octets
134		83
135	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
136	locale-specific way.	85	locale-specific way.
137		86
		87	=item $keysym
		88
		89	an integer that is a valid X11 keysym code. You can convert a string
		90	into a keysym and viceversa by using C<XStringToKeysym> and
		91	C<XKeysymToString>.
		92
138	=back	93	=back
139		94
140	=head2 Extension Objects	95	=head2 Extension Objects
141		96
142	Very perl extension is a perl class. A separate perl object is created	97	Every perl extension is a perl class. A separate perl object is created
143	for each terminal and each extension and passed as the first parameter to	98	for each terminal, and each terminal has its own set of extension objects,
144	hooks. So extensions can use their C<$self> object without having to think	99	which are passed as the first parameter to hooks. So extensions can use
145	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
146	begin with an underscore character C<_>: these are reserved for internal	102	that begin with an underscore character C<_>: these are reserved for
147	use.	103	internal use.
148		104
149	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
150	C<urxvt::term> class on this object.	106	C<urxvt::term> class on this object.
151		107
152	It has the following methods and data members:	108	It has the following methods and data members:
…		…
156	=item $urxvt_term = $self->{term}	112	=item $urxvt_term = $self->{term}
157		113
158	Returns the C<urxvt::term> object associated with this instance of the	114	Returns the C<urxvt::term> object associated with this instance of the
159	extension. This member I<must not> be changed in any way.	115	extension. This member I<must not> be changed in any way.
160		116
161	=item $self->enable ($hook_name => $cb, [$hook_name => $cb..])	117	=item $self->enable ($hook_name => $cb[, $hook_name => $cb..])
162		118
163	Dynamically enable the given hooks (named without the C<on_> prefix) for	119	Dynamically enable the given hooks (named without the C<on_> prefix) for
164	this extension, replacing any previous hook. This is useful when you want	120	this extension, replacing any previous hook. This is useful when you want
165	to overwrite time-critical hooks only temporarily.	121	to overwrite time-critical hooks only temporarily.
166		122
		123	To install additional callbacks for the same hook, you cna use the C<on>
		124	method of the C<urxvt::term> class.
		125
167	=item $self->disable ($hook_name[, $hook_name..])	126	=item $self->disable ($hook_name[, $hook_name..])
168		127
169	Dynamically disable the given hooks.	128	Dynamically disable the given hooks.
		129
		130	=item $self->x_resource ($pattern)
		131
		132	=item $self->x_resource_boolean ($pattern)
		133
		134	These methods support an additional C<%> prefix when called on an
		135	extension object - see the description of these methods in the
		136	C<urxvt::term> class for details.
170		137
171	=back	138	=back
172		139
173	=head2 Hooks	140	=head2 Hooks
174		141
175	The following subroutines can be declared in extension files, and will be	142	The following subroutines can be declared in extension files, and will be
176	called whenever the relevant event happens.	143	called whenever the relevant event happens.
177		144
178	The first argument passed to them is an extension oject as described in	145	The first argument passed to them is an extension object as described in
179	the in the C<Extension Objects> section.	146	the in the C<Extension Objects> section.
180		147
181	B<All> of these hooks must return a boolean value. If it is true, then the	148	B<All> of these hooks must return a boolean value. If any of the called
182	event counts as being I<consumed>, and the invocation of other hooks is	149	hooks returns true, then the event counts as being I<consumed>, and the
183	skipped, and the relevant action might not be carried out by the C++ code.	150	relevant action might not be carried out by the C++ code.
184		151
185	I<< When in doubt, return a false value (preferably C<()>). >>	152	I<< When in doubt, return a false value (preferably C<()>). >>
186		153
187	=over 4	154	=over 4
188		155
189	=item on_init $term	156	=item on_init $term
190		157
191	Called after a new terminal object has been initialized, but before	158	Called after a new terminal object has been initialized, but before
192	windows are created or the command gets run. Most methods are unsafe to	159	windows are created or the command gets run. Most methods are unsafe to
193	call or deliver senseless data, as terminal size and other characteristics	160	call or deliver senseless data, as terminal size and other characteristics
194	have not yet been determined. You can safely query and change resources,	161	have not yet been determined. You can safely query and change resources
195	though.	162	and options, though. For many purposes the C<on_start> hook is a better
		163	place.
		164
		165	=item on_start $term
		166
		167	Called at the very end of initialisation of a new terminal, just before
		168	trying to map (display) the toplevel and returning to the main loop.
		169
		170	=item on_destroy $term
		171
		172	Called whenever something tries to destroy terminal, when the terminal is
		173	still fully functional (not for long, though).
196		174
197	=item on_reset $term	175	=item on_reset $term
198		176
199	Called after the screen is "reset" for any reason, such as resizing or	177	Called after the screen is "reset" for any reason, such as resizing or
200	control sequences. Here is where you can react on changes to size-related	178	control sequences. Here is where you can react on changes to size-related
201	variables.	179	variables.
202		180
203	=item on_start $term	181	=item on_child_start $term, $pid
204		182
205	Called at the very end of initialisation of a new terminal, just before	183	Called just after the child process has been C<fork>ed.
206	returning to the mainloop.	184
		185	=item on_child_exit $term, $status
		186
		187	Called just after the child process has exited. C<$status> is the status
		188	from C<waitpid>.
207		189
208	=item on_sel_make $term, $eventtime	190	=item on_sel_make $term, $eventtime
209		191
210	Called whenever a selection has been made by the user, but before the	192	Called whenever a selection has been made by the user, but before the
211	selection text is copied, so changes to the beginning, end or type of the	193	selection text is copied, so changes to the beginning, end or type of the
…		…
218		200
219	Called whenever a selection has been copied, but before the selection is	201	Called whenever a selection has been copied, but before the selection is
220	requested from the server. The selection text can be queried and changed	202	requested from the server. The selection text can be queried and changed
221	by calling C<< $term->selection >>.	203	by calling C<< $term->selection >>.
222		204
223	Returning a true value aborts selection grabbing. It will still be hilighted.	205	Returning a true value aborts selection grabbing. It will still be highlighted.
224		206
225	=item on_sel_extend $term	207	=item on_sel_extend $term
226		208
227	Called whenever the user tries to extend the selection (e.g. with a double	209	Called whenever the user tries to extend the selection (e.g. with a double
228	click) and is either supposed to return false (normal operation), or	210	click) and is either supposed to return false (normal operation), or
229	should extend the selection itelf and return true to suppress the built-in	211	should extend the selection itself and return true to suppress the built-in
230	processing.	212	processing. This can happen multiple times, as long as the callback
		213	returns true, it will be called on every further click by the user and is
		214	supposed to enlarge the selection more and more, if possible.
231		215
232	See the F<selection> example extension.	216	See the F<selection> example extension.
233		217
234	=item on_view_change $term, $offset	218	=item on_view_change $term, $offset
235		219
236	Called whenever the view offset changes, i..e the user or program	220	Called whenever the view offset changes, i.e. the user or program
237	scrolls. Offset C<0> means display the normal terminal, positive values	221	scrolls. Offset C<0> means display the normal terminal, positive values
238	show this many lines of scrollback.	222	show this many lines of scrollback.
239		223
240	=item on_scroll_back $term, $lines, $saved	224	=item on_scroll_back $term, $lines, $saved
241		225
…		…
245		229
246	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,	230	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,
247	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total	231	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total
248	number of lines that will be in the scrollback buffer.	232	number of lines that will be in the scrollback buffer.
249		233
250	=item on_osc_seq $term, $string	234	=item on_osc_seq $term, $op, $args, $resp
		235
		236	Called on every OSC sequence and can be used to suppress it or modify its
		237	behaviour. The default should be to return an empty list. A true value
		238	suppresses execution of the request completely. Make sure you don't get
		239	confused by recursive invocations when you output an OSC sequence within
		240	this callback.
		241
		242	C<on_osc_seq_perl> should be used for new behaviour.
		243
		244	=item on_osc_seq_perl $term, $args, $resp
251		245
252	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =	246	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
253	operating system command) is processed. Cursor position and other state	247	operating system command) is processed. Cursor position and other state
254	information is up-to-date when this happens. For interoperability, the	248	information is up-to-date when this happens. For interoperability, the
255	string should start with the extension name and a colon, to distinguish	249	string should start with the extension name (sans -osc) and a semicolon,
256	it from commands for other extensions, and this might be enforced in the	250	to distinguish it from commands for other extensions, and this might be
257	future.	251	enforced in the future.
		252
		253	For example, C<overlay-osc> uses this:
		254
		255	sub on_osc_seq_perl {
		256	my ($self, $osc, $resp) = @_;
		257
		258	return unless $osc =~ s/^overlay;//;
		259
		260	... process remaining $osc string
		261	}
258		262
259	Be careful not ever to trust (in a security sense) the data you receive,	263	Be careful not ever to trust (in a security sense) the data you receive,
260	as its source can not easily be controleld (e-mail content, messages from	264	as its source can not easily be controlled (e-mail content, messages from
261	other users on the same system etc.).	265	other users on the same system etc.).
		266
		267	For responses, C<$resp> contains the end-of-args separator used by the
		268	sender.
262		269
263	=item on_add_lines $term, $string	270	=item on_add_lines $term, $string
264		271
265	Called whenever text is about to be output, with the text as argument. You	272	Called whenever text is about to be output, with the text as argument. You
266	can filter/change and output the text yourself by returning a true value	273	can filter/change and output the text yourself by returning a true value
…		…
271	=item on_tt_write $term, $octets	278	=item on_tt_write $term, $octets
272		279
273	Called whenever some data is written to the tty/pty and can be used to	280	Called whenever some data is written to the tty/pty and can be used to
274	suppress or filter tty input.	281	suppress or filter tty input.
275		282
		283	=item on_tt_paste $term, $octets
		284
		285	Called whenever text is about to be pasted, with the text as argument. You
		286	can filter/change and paste the text yourself by returning a true value
		287	and calling C<< $term->tt_paste >> yourself. C<$octets> is
		288	locale-encoded.
		289
276	=item on_line_update $term, $row	290	=item on_line_update $term, $row
277		291
278	Called whenever a line was updated or changed. Can be used to filter	292	Called whenever a line was updated or changed. Can be used to filter
279	screen output (e.g. underline urls or other useless stuff). Only lines	293	screen output (e.g. underline urls or other useless stuff). Only lines
280	that are being shown will be filtered, and, due to performance reasons,	294	that are being shown will be filtered, and, due to performance reasons,
…		…
287	later with the already-modified line (e.g. if unrelated parts change), so	301	later with the already-modified line (e.g. if unrelated parts change), so
288	you cannot just toggle rendition bits, but only set them.	302	you cannot just toggle rendition bits, but only set them.
289		303
290	=item on_refresh_begin $term	304	=item on_refresh_begin $term
291		305
292	Called just before the screen gets redrawn. Can be used for overlay	306	Called just before the screen gets redrawn. Can be used for overlay or
293	or similar effects by modify terminal contents in refresh_begin, and	307	similar effects by modifying the terminal contents in refresh_begin, and
294	restoring them in refresh_end. The built-in overlay and selection display	308	restoring them in refresh_end. The built-in overlay and selection display
295	code is run after this hook, and takes precedence.	309	code is run after this hook, and takes precedence.
296		310
297	=item on_refresh_end $term	311	=item on_refresh_end $term
298		312
299	Called just after the screen gets redrawn. See C<on_refresh_begin>.	313	Called just after the screen gets redrawn. See C<on_refresh_begin>.
300		314
301	=item on_keyboard_command $term, $string	315	=item on_user_command $term, $string
302		316
303	Called whenever the user presses a key combination that has a	317	Called whenever a user-configured event is being activated (e.g. via
304	C<perl:string> action bound to it (see description of the B<keysym>	318	a C<perl:string> action bound to a key, see description of the B<keysym>
305	resource in the @@RXVT_NAME@@(1) manpage).	319	resource in the @@RXVT_NAME@@(1) manpage).
		320
		321	The event is simply the action string. This interface is assumed to change
		322	slightly in the future.
		323
		324	=item on_register_command $term, $keysym, $modifiermask, $string
		325
		326	Called after parsing a keysym resource but before registering the
		327	associated binding. If this hook returns TRUE the binding is not
		328	registered. It can be used to modify a binding by calling
		329	C<register_command>.
		330
		331	=item on_resize_all_windows $term, $new_width, $new_height
		332
		333	Called just after the new window size has been calculated, but before
		334	windows are actually being resized or hints are being set. If this hook
		335	returns TRUE, setting of the window hints is being skipped.
		336
		337	=item on_x_event $term, $event
		338
		339	Called on every X event received on the vt window (and possibly other
		340	windows). Should only be used as a last resort. Most event structure
		341	members are not passed.
		342
		343	=item on_root_event $term, $event
		344
		345	Like C<on_x_event>, but is called for events on the root window.
306		346
307	=item on_focus_in $term	347	=item on_focus_in $term
308		348
309	Called whenever the window gets the keyboard focus, before rxvt-unicode	349	Called whenever the window gets the keyboard focus, before rxvt-unicode
310	does focus in processing.	350	does focus in processing.
311		351
312	=item on_focus_out $term	352	=item on_focus_out $term
313		353
314	Called wheneever the window loses keyboard focus, before rxvt-unicode does	354	Called whenever the window loses keyboard focus, before rxvt-unicode does
315	focus out processing.	355	focus out processing.
316		356
		357	=item on_configure_notify $term, $event
		358
		359	=item on_property_notify $term, $event
		360
317	=item on_key_press $term, $event, $keysym, $octets	361	=item on_key_press $term, $event, $keysym, $octets
318		362
319	=item on_key_release $term, $event, $keysym	363	=item on_key_release $term, $event, $keysym
320		364
321	=item on_button_press $term, $event	365	=item on_button_press $term, $event
…		…
326		370
327	=item on_map_notify $term, $event	371	=item on_map_notify $term, $event
328		372
329	=item on_unmap_notify $term, $event	373	=item on_unmap_notify $term, $event
330		374
331	Called whenever the corresponding X event is received for the terminal If	375	Called whenever the corresponding X event is received for the terminal. If
332	the hook returns true, then the even will be ignored by rxvt-unicode.	376	the hook returns true, then the event will be ignored by rxvt-unicode.
333		377
334	The event is a hash with most values as named by Xlib (see the XEvent	378	The event is a hash with most values as named by Xlib (see the XEvent
335	manpage), with the additional members C<row> and C<col>, which are the row	379	manpage), with the additional members C<row> and C<col>, which are the
336	and column under the mouse cursor.	380	(real, not screen-based) row and column under the mouse cursor.
337		381
338	C<on_key_press> additionally receives the string rxvt-unicode would	382	C<on_key_press> additionally receives the string rxvt-unicode would
339	output, if any, in locale-specific encoding.	383	output, if any, in locale-specific encoding.
340		384
341	subwindow.	385	subwindow.
342		386
		387	=item on_client_message $term, $event
		388
		389	=item on_wm_protocols $term, $event
		390
		391	=item on_wm_delete_window $term, $event
		392
		393	Called when various types of ClientMessage events are received (all with
		394	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
		395
		396	=item on_bell $term
		397
		398	Called on receipt of a bell character.
		399
343	=back	400	=back
344		401
		402	=cut
		403
		404	package urxvt;
		405
		406	use utf8;
		407	use strict 'vars';
		408	use Carp ();
		409	use Scalar::Util ();
		410	use List::Util ();
		411
		412	our $VERSION = 1;
		413	our $TERM;
		414	our @TERM_INIT; # should go, prevents async I/O etc.
		415	our @TERM_EXT; # should go, prevents async I/O etc.
		416	our @HOOKNAME;
		417	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
		418	our %OPTION;
		419
		420	our $LIBDIR;
		421	our $RESNAME;
		422	our $RESCLASS;
		423	our $RXVTNAME;
		424
		425	our $NOCHAR = chr 0xffff;
		426
345	=head2 Variables in the C<urxvt> Package	427	=head2 Variables in the C<urxvt> Package
346		428
347	=over 4	429	=over 4
		430
		431	=item $urxvt::LIBDIR
		432
		433	The rxvt-unicode library directory, where, among other things, the perl
		434	modules and scripts are stored.
		435
		436	=item $urxvt::RESCLASS, $urxvt::RESCLASS
		437
		438	The resource class and name rxvt-unicode uses to look up X resources.
		439
		440	=item $urxvt::RXVTNAME
		441
		442	The basename of the installed binaries, usually C<urxvt>.
348		443
349	=item $urxvt::TERM	444	=item $urxvt::TERM
350		445
351	The current terminal. This variable stores the current C<urxvt::term>	446	The current terminal. This variable stores the current C<urxvt::term>
352	object, whenever a callback/hook is executing.	447	object, whenever a callback/hook is executing.
353		448
		449	=item @urxvt::TERM_INIT
		450
		451	All code references in this array will be called as methods of the next newly
		452	created C<urxvt::term> object (during the C<on_init> phase). The array
		453	gets cleared before the code references that were in it are being executed,
		454	so references can push themselves onto it again if they so desire.
		455
		456	This complements to the perl-eval command line option, but gets executed
		457	first.
		458
		459	=item @urxvt::TERM_EXT
		460
		461	Works similar to C<@TERM_INIT>, but contains perl package/class names, which
		462	get registered as normal extensions after calling the hooks in C<@TERM_INIT>
		463	but before other extensions. Gets cleared just like C<@TERM_INIT>.
		464
354	=back	465	=back
355		466
356	=head2 Functions in the C<urxvt> Package	467	=head2 Functions in the C<urxvt> Package
357		468
358	=over 4	469	=over 4
359		470
360	=item $term = new urxvt [arg...]
361
362	Creates a new terminal, very similar as if you had started it with
363	C<system $binfile, arg...>. Croaks (and probably outputs an error message)
364	if the new instance couldn't be created. Returns C<undef> if the new
365	instance didn't initialise perl, and the terminal object otherwise. The
366	C<init> and C<start> hooks will be called during the call.
367
368	=item urxvt::fatal $errormessage	471	=item urxvt::fatal $errormessage
369		472
370	Fatally aborts execution with the given error message. Avoid at all	473	Fatally aborts execution with the given error message (which should
371	costs! The only time this is acceptable is when the terminal process	474	include a trailing newline). Avoid at all costs! The only time this
372	starts up.	475	is acceptable (and useful) is in the init hook, where it prevents the
		476	terminal from starting up.
373		477
374	=item urxvt::warn $string	478	=item urxvt::warn $string
375		479
376	Calls C<rxvt_warn> with the given string which should not include a	480	Calls C<rxvt_warn> with the given string which should include a trailing
377	newline. The module also overwrites the C<warn> builtin with a function	481	newline. The module also overwrites the C<warn> builtin with a function
378	that calls this function.	482	that calls this function.
379		483
380	Using this function has the advantage that its output ends up in the	484	Using this function has the advantage that its output ends up in the
381	correct place, e.g. on stderr of the connecting urxvtc client.	485	correct place, e.g. on stderr of the connecting urxvtc client.
382		486
383	=item $is_safe = urxvt::safe	487	Messages have a size limit of 1023 bytes currently.
384		488
385	Returns true when it is safe to do potentially unsafe things, such as	489	=item @terms = urxvt::termlist
386	evaluating perl code specified by the user. This is true when urxvt was	490
387	started setuid or setgid.	491	Returns all urxvt::term objects that exist in this process, regardless of
		492	whether they are started, being destroyed etc., so be careful. Only term
		493	objects that have perl extensions attached will be returned (because there
		494	is no urxvt::term object associated with others).
388		495
389	=item $time = urxvt::NOW	496	=item $time = urxvt::NOW
390		497
391	Returns the "current time" (as per the event loop).	498	Returns the "current time" (as per the event loop).
392		499
393	=item urxvt::CurrentTime	500	=item urxvt::CurrentTime
394		501
395	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,	502	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
396	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,	503	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
397	Button4Mask, Button5Mask, AnyModifier	504	Button4Mask, Button5Mask, AnyModifier
		505
		506	=item urxvt::NoEventMask, KeyPressMask, KeyReleaseMask,
		507	ButtonPressMask, ButtonReleaseMask, EnterWindowMask, LeaveWindowMask,
		508	PointerMotionMask, PointerMotionHintMask, Button1MotionMask, Button2MotionMask,
		509	Button3MotionMask, Button4MotionMask, Button5MotionMask, ButtonMotionMask,
		510	KeymapStateMask, ExposureMask, VisibilityChangeMask, StructureNotifyMask,
		511	ResizeRedirectMask, SubstructureNotifyMask, SubstructureRedirectMask,
		512	FocusChangeMask, PropertyChangeMask, ColormapChangeMask, OwnerGrabButtonMask
		513
		514	=item urxvt::KeyPress, KeyRelease, ButtonPress, ButtonRelease, MotionNotify,
		515	EnterNotify, LeaveNotify, FocusIn, FocusOut, KeymapNotify, Expose,
		516	GraphicsExpose, NoExpose, VisibilityNotify, CreateNotify, DestroyNotify,
		517	UnmapNotify, MapNotify, MapRequest, ReparentNotify, ConfigureNotify,
		518	ConfigureRequest, GravityNotify, ResizeRequest, CirculateNotify,
		519	CirculateRequest, PropertyNotify, SelectionClear, SelectionRequest,
		520	SelectionNotify, ColormapNotify, ClientMessage, MappingNotify
398		521
399	Various constants for use in X calls and event processing.	522	Various constants for use in X calls and event processing.
400		523
401	=back	524	=back
402		525
…		…
419		542
420	=item $rend = urxvt::OVERLAY_RSTYLE	543	=item $rend = urxvt::OVERLAY_RSTYLE
421		544
422	Return the rendition mask used for overlays by default.	545	Return the rendition mask used for overlays by default.
423		546
424	=item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline	547	=item $rendbit = urxvt::RS_Bold, urxvt::RS_Italic, urxvt::RS_Blink,
		548	urxvt::RS_RVid, urxvt::RS_Uline
425		549
426	Return the bit that enabled bold, italic, blink, reverse-video and	550	Return the bit that enabled bold, italic, blink, reverse-video and
427	underline, respectively. To enable such a style, just logically OR it into	551	underline, respectively. To enable such a style, just logically OR it into
428	the bitset.	552	the bitset.
429		553
…		…
431		555
432	=item $background = urxvt::GET_BASEBG $rend	556	=item $background = urxvt::GET_BASEBG $rend
433		557
434	Return the foreground/background colour index, respectively.	558	Return the foreground/background colour index, respectively.
435		559
436	=item $rend = urxvt::SET_FGCOLOR ($rend, $new_colour)	560	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour
437		561
438	=item $rend = urxvt::SET_BGCOLOR ($rend, $new_colour)	562	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour
		563
		564	=item $rend = urxvt::SET_COLOR $rend, $new_fg, $new_bg
439		565
440	Replace the foreground/background colour in the rendition mask with the	566	Replace the foreground/background colour in the rendition mask with the
441	specified one.	567	specified one.
442		568
443	=item $value = urxvt::GET_CUSTOM ($rend)	569	=item $value = urxvt::GET_CUSTOM $rend
444		570
445	Return the "custom" value: Every rendition has 5 bits for use by	571	Return the "custom" value: Every rendition has 5 bits for use by
446	extensions. They can be set and changed as you like and are initially	572	extensions. They can be set and changed as you like and are initially
447	zero.	573	zero.
448		574
449	=item $rend = urxvt::SET_CUSTOM ($rend, $new_value)	575	=item $rend = urxvt::SET_CUSTOM $rend, $new_value
450		576
451	Change the custom value.	577	Change the custom value.
452		578
453	=back	579	=back
454		580
455	=cut	581	=cut
456		582
457	package urxvt;
458
459	use utf8;
460	use strict;
461	use Carp ();
462	use Scalar::Util ();
463	use List::Util ();
464
465	our $VERSION = 1;
466	our $TERM;
467	our @HOOKNAME;
468	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
469	our %OPTION;
470
471	our $LIBDIR;
472	our $RESNAME;
473	our $RESCLASS;
474	our $RXVTNAME;
475
476	BEGIN {	583	BEGIN {
477	urxvt->bootstrap;
478
479	# overwrite perl's warn	584	# overwrite perl's warn
480	*CORE::GLOBAL::warn = sub {	585	*CORE::GLOBAL::warn = sub {
481	my $msg = join "", @_;	586	my $msg = join "", @_;
482	$msg .= "\n"	587	$msg .= "\n"
483	unless $msg =~ /\n$/;	588	unless $msg =~ /\n$/;
484	urxvt::warn ($msg);	589	urxvt::warn ($msg);
485	};	590	};
486
487	delete $ENV{IFS};
488	delete $ENV{CDPATH};
489	delete $ENV{BASH_ENV};
490	$ENV{PATH} = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin:/opt/sbin";
491	}	591	}
492		592
493	my @hook_count;	593	no warnings 'utf8';
		594
		595	sub parse_resource {
		596	my ($term, $name, $isarg, $longopt, $flag, $value) = @_;
		597
		598	$name =~ y/-/./ if $isarg;
		599
		600	$term->scan_meta;
		601
		602	my $r = $term->{meta}{resource};
		603	keys %$r; # reste iterator
		604	while (my ($pattern, $v) = each %$r) {
		605	if (
		606	$pattern =~ /\.$/
		607	? $pattern eq substr $name, 0, length $pattern
		608	: $pattern eq $name
		609	) {
		610	$name = "$urxvt::RESCLASS.$name";
		611
		612	push @{ $term->{perl_ext_3} }, $v->[0];
		613
		614	if ($v->[1] eq "boolean") {
		615	$term->put_option_db ($name, $flag ? "true" : "false");
		616	return 1;
		617	} else {
		618	$term->put_option_db ($name, $value);
		619	return 1 + 2;
		620	}
		621	}
		622	}
		623
		624	0
		625	}
		626
		627	sub usage {
		628	my ($term, $usage_type) = @_;
		629
		630	$term->scan_meta;
		631
		632	my $r = $term->{meta}{resource};
		633
		634	for my $pattern (sort keys %$r) {
		635	my ($ext, $type, $desc) = @{ $r->{$pattern} };
		636
		637	$desc .= " (-pe $ext)";
		638
		639	if ($usage_type == 1) {
		640	$pattern =~ y/./-/;
		641	$pattern =~ s/-$/-.../g;
		642
		643	if ($type eq "boolean") {
		644	urxvt::log sprintf " -%-30s %s\n", "/+$pattern", $desc;
		645	} else {
		646	urxvt::log sprintf " -%-30s %s\n", "$pattern $type", $desc;
		647	}
		648	} else {
		649	$pattern =~ s/\.$/.*/g;
		650	urxvt::log sprintf " %-31s %s\n", "$pattern:", $type;
		651	}
		652	}
		653	}
		654
494	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};	655	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
495		656
496	sub verbose {	657	sub verbose {
497	my ($level, $msg) = @_;	658	my ($level, $msg) = @_;
498	warn "$msg\n" if $level <= $verbosity;	659	warn "$msg\n" if $level <= $verbosity;
499	}	660	}
500		661
501	my $extension_pkg = "extension0000";
502	my %extension_pkg;	662	my %extension_pkg;
503		663
504	# load a single script into its own package, once only	664	# load a single script into its own package, once only
505	sub extension_package($) {	665	sub extension_package($) {
506	my ($path) = @_;	666	my ($path) = @_;
507		667
508	$extension_pkg{$path} ||= do {	668	$extension_pkg{$path} ||= do {
509	my $pkg = "urxvt::" . ($extension_pkg++);	669	$path =~ /([^\/\\]+)$/;
		670	my $pkg = $1;
		671	$pkg =~ s/[^[:word:]]/_/g;
		672	$pkg = "urxvt::ext::$pkg";
510		673
511	verbose 3, "loading extension '$path' into package '$pkg'";	674	verbose 3, "loading extension '$path' into package '$pkg'";
		675
		676	(${"$pkg\::_NAME"} = $path) =~ s/^.*[\\\/]//; # hackish
512		677
513	open my $fh, "<:raw", $path	678	open my $fh, "<:raw", $path
514	or die "$path: $!";	679	or die "$path: $!";
515		680
516	my $source = untaint	681	my $source =
517	"package $pkg; use strict; use utf8;\n"	682	"package $pkg; use strict 'vars'; use utf8; no warnings 'utf8';\n"
518	. "use base urxvt::term::extension::;\n"
519	. "#line 1 \"$path\"\n{\n"	683	. "#line 1 \"$path\"\n{\n"
520	. (do { local $/; <$fh> })	684	. (do { local $/; <$fh> })
521	. "\n};\n1";	685	. "\n};\n1";
522		686
523	eval $source	687	eval $source
…		…
533	sub invoke {	697	sub invoke {
534	local $TERM = shift;	698	local $TERM = shift;
535	my $htype = shift;	699	my $htype = shift;
536		700
537	if ($htype == 0) { # INIT	701	if ($htype == 0) { # INIT
538	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");	702	my @dirs = $TERM->perl_libdirs;
539		703
540	my %ext_arg;	704	my %ext_arg;
541		705
		706	{
		707	my @init = @TERM_INIT;
		708	@TERM_INIT = ();
		709	$_->($TERM) for @init;
		710	my @pkg = @TERM_EXT;
		711	@TERM_EXT = ();
		712	$TERM->register_package ($_) for @pkg;
		713	}
		714
		715	for (
		716	@{ delete $TERM->{perl_ext_3} },
542	for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {	717	grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2
		718	) {
543	if ($_ eq "default") {	719	if ($_ eq "default") {
544	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback);	720	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline);
545	} elsif (/^-(.*)$/) {	721	} elsif (/^-(.*)$/) {
546	delete $ext_arg{$1};	722	delete $ext_arg{$1};
547	} elsif (/^([^<]+)<(.*)>$/) {	723	} elsif (/^([^<]+)<(.*)>$/) {
548	push @{ $ext_arg{$1} }, $2;	724	push @{ $ext_arg{$1} }, $2;
549	} else {	725	} else {
550	$ext_arg{$_} ||= [];	726	$ext_arg{$_} ||= [];
551	}	727	}
552	}	728	}
553		729
554	while (my ($ext, $argv) = each %ext_arg) {	730	for my $ext (sort keys %ext_arg) {
555	my @files = grep -f $_, map "$_/$ext", @dirs;	731	my @files = grep -f $_, map "$_/$ext", @dirs;
556		732
557	if (@files) {	733	if (@files) {
558	$TERM->register_package (extension_package $files[0], $argv);	734	$TERM->register_package (extension_package $files[0], $ext_arg{$ext});
559	} else {	735	} else {
560	warn "perl extension '$ext' not found in perl library search path\n";	736	warn "perl extension '$ext' not found in perl library search path\n";
561	}	737	}
562	}	738	}
563		739
…		…
569		745
570	if (my $cb = $TERM->{_hook}[$htype]) {	746	if (my $cb = $TERM->{_hook}[$htype]) {
571	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"	747	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
572	if $verbosity >= 10;	748	if $verbosity >= 10;
573		749
574	keys %$cb;	750	for my $pkg (keys %$cb) {
575
576	while (my ($pkg, $cb) = each %$cb) {
577	$retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) }	751	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg} || $TERM, @_) };
578	and last;	752	$retval ||= $retval_;
579		753
580	if ($@) {	754	if ($@) {
581	$TERM->ungrab; # better to lose the grab than the session	755	$TERM->ungrab; # better to lose the grab than the session
582	warn $@;	756	warn $@;
583	}	757	}
584	}	758	}
		759
		760	verbose 11, "$HOOKNAME[$htype] returning <$retval>"
		761	if $verbosity >= 11;
585	}	762	}
586		763
587	if ($htype == 1) { # DESTROY	764	if ($htype == 1) { # DESTROY
588	if (my $hook = delete $TERM->{_hook}) {
589	for my $htype (0..$#$hook) {
590	$hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
591	or set_should_invoke $htype, 0;
592	}
593	}
594
595	# clear package objects	765	# clear package objects
596	%$_ = () for values %{ $TERM->{_pkg} };	766	%$_ = () for values %{ $TERM->{_pkg} };
597		767
598	# clear package	768	# clear package
599	%$TERM = ();	769	%$TERM = ();
600	}	770	}
601		771
602	$retval	772	$retval
603	}	773	}
604		774
605	# urxvt::term::extension	775	sub SET_COLOR($$$) {
		776	SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
		777	}
		778
		779	sub rend2mask {
		780	no strict 'refs';
		781	my ($str, $mask) = (@_, 0);
		782	my %color = ( fg => undef, bg => undef );
		783	my @failed;
		784	for my $spec ( split /\s+/, $str ) {
		785	if ( $spec =~ /^([fb]g)[_:-]?(\d+)/i ) {
		786	$color{lc($1)} = $2;
		787	} else {
		788	my $neg = $spec =~ s/^[-^]//;
		789	unless ( exists &{"RS_$spec"} ) {
		790	push @failed, $spec;
		791	next;
		792	}
		793	my $cur = &{"RS_$spec"};
		794	if ( $neg ) {
		795	$mask &= ~$cur;
		796	} else {
		797	$mask |= $cur;
		798	}
		799	}
		800	}
		801	($mask, @color{qw(fg bg)}, \@failed)
		802	}
606		803
607	package urxvt::term::extension;	804	package urxvt::term::extension;
608		805
609	sub enable {	806	sub enable {
610	my ($self, %hook) = @_;	807	my ($self, %hook) = @_;
…		…
613	while (my ($name, $cb) = each %hook) {	810	while (my ($name, $cb) = each %hook) {
614	my $htype = $HOOKTYPE{uc $name};	811	my $htype = $HOOKTYPE{uc $name};
615	defined $htype	812	defined $htype
616	or Carp::croak "unsupported hook type '$name'";	813	or Carp::croak "unsupported hook type '$name'";
617		814
		815	$self->set_should_invoke ($htype, +1)
618	unless (exists $self->{term}{_hook}[$htype]{$pkg}) {	816	unless exists $self->{term}{_hook}[$htype]{$pkg};
619	$hook_count[$htype]++
620	or urxvt::set_should_invoke $htype, 1;
621	}
622		817
623	$self->{term}{_hook}[$htype]{$pkg} = $cb;	818	$self->{term}{_hook}[$htype]{$pkg} = $cb;
624	}	819	}
625	}	820	}
626		821
…		…
631	for my $name (@hook) {	826	for my $name (@hook) {
632	my $htype = $HOOKTYPE{uc $name};	827	my $htype = $HOOKTYPE{uc $name};
633	defined $htype	828	defined $htype
634	or Carp::croak "unsupported hook type '$name'";	829	or Carp::croak "unsupported hook type '$name'";
635		830
		831	$self->set_should_invoke ($htype, -1)
636	if (delete $self->{term}{_hook}[$htype]{$pkg}) {	832	if delete $self->{term}{_hook}[$htype]{$pkg};
637	--$hook_count[$htype]
638	or urxvt::set_should_invoke $htype, 0;
639	}
640	}	833	}
641	}	834	}
642		835
643	our $AUTOLOAD;	836	our $AUTOLOAD;
644		837
…		…
669		862
670	sub urxvt::destroy_hook(&) {	863	sub urxvt::destroy_hook(&) {
671	bless \shift, urxvt::destroy_hook::	864	bless \shift, urxvt::destroy_hook::
672	}	865	}
673		866
		867	sub x_resource {
		868	my ($self, $name) = @_;
		869	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		870	$self->{term}->x_resource ($name)
		871	}
		872
		873	sub x_resource_boolean {
		874	my ($self, $name) = @_;
		875	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		876	$self->{term}->x_resource_boolean ($name)
		877	}
		878
674	package urxvt::anyevent;	879	package urxvt::anyevent;
675		880
676	=head2 The C<urxvt::anyevent> Class	881	=head2 The C<urxvt::anyevent> Class
677		882
678	The sole purpose of this class is to deliver an interface to the	883	The sole purpose of this class is to deliver an interface to the
679	C<AnyEvent> module - any module using it will work inside urxvt without	884	C<AnyEvent> module - any module using it will work inside urxvt without
680	further work. The only exception is that you cannot wait on condition	885	further programming. The only exception is that you cannot wait on
681	variables, but non-blocking condvar use is ok. What this means is that you	886	condition variables, but non-blocking condvar use is ok.
682	cannot use blocking APIs, but the non-blocking variant should work.	887
		888	In practical terms this means is that you cannot use blocking APIs, but
		889	the non-blocking variant should work.
683		890
684	=cut	891	=cut
685		892
686	our $VERSION = 1;	893	our $VERSION = '5.23';
687		894
688	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there	895	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
689	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];	896	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
690		897
691	sub timer {	898	sub timer {
…		…
693		900
694	my $cb = $arg{cb};	901	my $cb = $arg{cb};
695		902
696	urxvt::timer	903	urxvt::timer
697	->new	904	->new
698	->start (urxvt::NOW + $arg{after})	905	->after ($arg{after}, $arg{interval})
699	->cb (sub {	906	->cb ($arg{interval} ? $cb : sub {
700	$_[0]->stop; # need to cancel manually	907	$_[0]->stop; # need to cancel manually
701	$cb->();	908	$cb->();
702	})	909	})
703	}	910	}
704		911
705	sub io {	912	sub io {
706	my ($class, %arg) = @_;	913	my ($class, %arg) = @_;
707		914
708	my $cb = $arg{cb};	915	my $cb = $arg{cb};
		916	my $fd = fileno $arg{fh};
		917	defined $fd or $fd = $arg{fh};
709		918
710	bless [$arg{fh}, urxvt::iow	919	bless [$arg{fh}, urxvt::iow
711	->new	920	->new
712	->fd (fileno $arg{fh})	921	->fd ($fd)
713	->events (($arg{poll} =~ /r/ ? 1 : 0)	922	->events (($arg{poll} =~ /r/ ? 1 : 0)
714	| ($arg{poll} =~ /w/ ? 2 : 0))	923	| ($arg{poll} =~ /w/ ? 2 : 0))
715	->start	924	->start
716	->cb (sub {	925	->cb ($cb)
717	$cb->(($_[1] & 1 ? 'r' : '')
718	. ($_[1] & 2 ? 'w' : ''));
719	})],
720	urxvt::anyevent::	926	], urxvt::anyevent::
		927	}
		928
		929	sub idle {
		930	my ($class, %arg) = @_;
		931
		932	my $cb = $arg{cb};
		933
		934	urxvt::iw
		935	->new
		936	->start
		937	->cb ($cb)
		938	}
		939
		940	sub child {
		941	my ($class, %arg) = @_;
		942
		943	my $cb = $arg{cb};
		944
		945	urxvt::pw
		946	->new
		947	->start ($arg{pid})
		948	->cb (sub {
		949	$_[0]->stop; # need to cancel manually
		950	$cb->($_[0]->rpid, $_[0]->rstatus);
		951	})
721	}	952	}
722		953
723	sub DESTROY {	954	sub DESTROY {
724	$_[0][1]->stop;	955	$_[0][1]->stop;
725	}	956	}
726		957
727	sub condvar {	958	# only needed for AnyEvent < 6 compatibility
728	bless \my $flag, urxvt::anyevent::condvar::	959	sub one_event {
729	}
730
731	sub urxvt::anyevent::condvar::broadcast {
732	${$_[0]}++;
733	}
734
735	sub urxvt::anyevent::condvar::wait {
736	unless (${$_[0]}) {
737	Carp::croak "AnyEvent->condvar blocking wait unsupported in urxvt, use a non-blocking API";	960	Carp::croak "AnyEvent->one_event blocking wait unsupported in urxvt, use a non-blocking API";
738	}
739	}	961	}
740		962
741	package urxvt::term;	963	package urxvt::term;
742		964
743	=head2 The C<urxvt::term> Class	965	=head2 The C<urxvt::term> Class
…		…
749	# find on_xxx subs in the package and register them	971	# find on_xxx subs in the package and register them
750	# as hooks	972	# as hooks
751	sub register_package {	973	sub register_package {
752	my ($self, $pkg, $argv) = @_;	974	my ($self, $pkg, $argv) = @_;
753		975
		976	no strict 'refs';
		977
		978	urxvt::verbose 6, "register package $pkg to $self";
		979
		980	@{"$pkg\::ISA"} = urxvt::term::extension::;
		981
754	my $proxy = bless {	982	my $proxy = bless {
755	_pkg => $pkg,	983	_pkg => $pkg,
		984	_name => ${"$pkg\::_NAME"}, # hackish
756	argv => $argv,	985	argv => $argv,
757	}, $pkg;	986	}, $pkg;
758	Scalar::Util::weaken ($proxy->{term} = $self);	987	Scalar::Util::weaken ($proxy->{term} = $self);
759		988
760	$self->{_pkg}{$pkg} = $proxy;	989	$self->{_pkg}{$pkg} = $proxy;
761		990
…		…
764	$proxy->enable ($name => $ref);	993	$proxy->enable ($name => $ref);
765	}	994	}
766	}	995	}
767	}	996	}
768		997
		998	sub perl_libdirs {
		999	map { split /:/ }
		1000	$_[0]->resource ("perl_lib"),
		1001	$ENV{URXVT_PERL_LIB},
		1002	"$ENV{HOME}/.urxvt/ext",
		1003	"$LIBDIR/perl"
		1004	}
		1005
		1006	sub scan_meta {
		1007	my ($self) = @_;
		1008	my @libdirs = perl_libdirs $self;
		1009
		1010	return if $self->{meta_libdirs} eq join "\x00", @libdirs;
		1011
		1012	my %meta;
		1013
		1014	$self->{meta_libdirs} = join "\x00", @libdirs;
		1015	$self->{meta} = \%meta;
		1016
		1017	for my $dir (reverse @libdirs) {
		1018	opendir my $fh, $dir
		1019	or next;
		1020	for my $ext (readdir $fh) {
		1021	$ext ne "."
		1022	and $ext ne ".."
		1023	and open my $fh, "<", "$dir/$ext"
		1024	or next;
		1025
		1026	while (<$fh>) {
		1027	if (/^#:META:X_RESOURCE:(.*)/) {
		1028	my ($pattern, $type, $desc) = split /:/, $1;
		1029	$pattern =~ s/^%(\.|$)/$ext$1/g; # % in pattern == extension name
		1030	if ($pattern =~ /[^a-zA-Z0-9\-\.]/) {
		1031	warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n";
		1032	} else {
		1033	$meta{resource}{$pattern} = [$ext, $type, $desc];
		1034	}
		1035	} elsif (/^\s*(?:#|$)/) {
		1036	# skip other comments and empty lines
		1037	} else {
		1038	last; # stop parsing on first non-empty non-comment line
		1039	}
		1040	}
		1041	}
		1042	}
		1043	}
		1044
		1045	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
		1046
		1047	Creates a new terminal, very similar as if you had started it with system
		1048	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
		1049	hash which defines the environment of the new terminal.
		1050
		1051	Croaks (and probably outputs an error message) if the new instance
		1052	couldn't be created. Returns C<undef> if the new instance didn't
		1053	initialise perl, and the terminal object otherwise. The C<init> and
		1054	C<start> hooks will be called before this call returns, and are free to
		1055	refer to global data (which is race free).
		1056
		1057	=cut
		1058
		1059	sub new {
		1060	my ($class, $env, @args) = @_;
		1061
		1062	$env or Carp::croak "environment hash missing in call to urxvt::term->new";
		1063	@args or Carp::croak "name argument missing in call to urxvt::term->new";
		1064
		1065	_new ([ map "$_=$env->{$_}", keys %$env ], \@args);
		1066	}
		1067
769	=item $term->destroy	1068	=item $term->destroy
770		1069
771	Destroy the terminal object (close the window, free resources etc.).	1070	Destroy the terminal object (close the window, free resources
		1071	etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event
		1072	watchers (timers, io watchers) are still active.
		1073
		1074	=item $guard = $self->on ($hook_name => $cb[, $hook_name => $cb..])
		1075
		1076	Similar to the extension method C<enable>, but installs additional
		1077	callbacks for the givne hook(s) (existing ones are not replaced), and
		1078	returns a guard object. When the guard object is destroyed the callbacks
		1079	are disabled again.
		1080
		1081	Note that these callbacks receive the normal paramaters, but the first
		1082	argument (normally the extension) is currently undefined.
		1083
		1084	=cut
		1085
		1086	sub urxvt::term::on_disable::DESTROY {
		1087	my $disable = shift;
		1088
		1089	my $self = delete $disable->{""};
		1090
		1091	while (my ($htype, $id) = each %$disable) {
		1092	delete $self->{_hook}[$htype]{$id};
		1093	$self->set_should_invoke ($htype, -1);
		1094	}
		1095	}
		1096
		1097	sub on {
		1098	my ($self, %hook) = @_;
		1099
		1100	my %disable = ( "" => $self );
		1101
		1102	while (my ($name, $cb) = each %hook) {
		1103	my $htype = $HOOKTYPE{uc $name};
		1104	defined $htype
		1105	or Carp::croak "unsupported hook type '$name'";
		1106
		1107	my $id = $cb+0;
		1108
		1109	$self->set_should_invoke ($htype, +1);
		1110	$disable{$htype} = $id;
		1111	$self->{_hook}[$htype]{$id} = $cb;
		1112	}
		1113
		1114	bless \%disable, "urxvt::term::on_disable"
		1115	}
		1116
		1117	=item $term->exec_async ($cmd[, @args])
		1118
		1119	Works like the combination of the C<fork>/C<exec> builtins, which executes
		1120	("starts") programs in the background. This function takes care of setting
		1121	the user environment before exec'ing the command (e.g. C<PATH>) and should
		1122	be preferred over explicit calls to C<exec> or C<system>.
		1123
		1124	Returns the pid of the subprocess or C<undef> on error.
		1125
		1126	=cut
		1127
		1128	sub exec_async {
		1129	my $self = shift;
		1130
		1131	my $pid = fork;
		1132
		1133	return $pid
		1134	if !defined $pid or $pid;
		1135
		1136	%ENV = %{ $self->env };
		1137
		1138	exec @_;
		1139	urxvt::_exit 255;
		1140	}
772		1141
773	=item $isset = $term->option ($optval[, $set])	1142	=item $isset = $term->option ($optval[, $set])
774		1143
775	Returns true if the option specified by C<$optval> is enabled, and	1144	Returns true if the option specified by C<$optval> is enabled, and
776	optionally change it. All option values are stored by name in the hash	1145	optionally change it. All option values are stored by name in the hash
777	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.	1146	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
778		1147
779	Here is a a likely non-exhaustive list of option names, please see the	1148	Here is a likely non-exhaustive list of option names, please see the
780	source file F</src/optinc.h> to see the actual list:	1149	source file F</src/optinc.h> to see the actual list:
781		1150
782	borderLess console cursorBlink cursorUnderline hold iconic insecure	1151	borderLess buffered console cursorBlink cursorUnderline hold iconic
783	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage	1152	insecure intensityStyles iso14755 iso14755_52 jumpScroll loginShell
		1153	mapAlert meta8 mouseWheelScrollPage override_redirect pastableTabs
784	pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating	1154	pointerBlank reverseVideo scrollBar scrollBar_floating scrollBar_right
785	scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer	1155	scrollTtyKeypress scrollTtyOutput scrollWithBuffer secondaryScreen
786	secondaryScreen secondaryScroll skipBuiltinGlyphs transparent	1156	secondaryScroll skipBuiltinGlyphs skipScroll transparent tripleclickwords
787	tripleclickwords utmpInhibit visualBell	1157	urgentOnBell utmpInhibit visualBell
788		1158
789	=item $value = $term->resource ($name[, $newval])	1159	=item $value = $term->resource ($name[, $newval])
790		1160
791	Returns the current resource value associated with a given name and	1161	Returns the current resource value associated with a given name and
792	optionally sets a new value. Setting values is most useful in the C<init>	1162	optionally sets a new value. Setting values is most useful in the C<init>
…		…
801	likely change).	1171	likely change).
802		1172
803	Please note that resource strings will currently only be freed when the	1173	Please note that resource strings will currently only be freed when the
804	terminal is destroyed, so changing options frequently will eat memory.	1174	terminal is destroyed, so changing options frequently will eat memory.
805		1175
806	Here is a a likely non-exhaustive list of resource names, not all of which	1176	Here is a likely non-exhaustive list of resource names, not all of which
807	are supported in every build, please see the source file F</src/rsinc.h>	1177	are supported in every build, please see the source file F</src/rsinc.h>
808	to see the actual list:	1178	to see the actual list:
809		1179
810	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont	1180	answerbackstring backgroundPixmap backspace_key blurradius
811	borderLess color cursorBlink cursorUnderline cutchars delete_key	1181	boldFont boldItalicFont borderLess buffered chdir color cursorBlink
812	display_name embed ext_bwidth fade font geometry hold iconName	1182	cursorUnderline cutchars delete_key depth display_name embed ext_bwidth
813	imFont imLocale inputMethod insecure int_bwidth intensityStyles	1183	fade font geometry hold iconName iconfile imFont imLocale inputMethod
		1184	insecure int_bwidth intensityStyles iso14755 iso14755_52 italicFont
814	italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier	1185	jumpScroll letterSpace lineSpace loginShell mapAlert meta8 modifier
815	mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2	1186	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
816	perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd	1187	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
817	reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating	1188	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
818	scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput	1189	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
819	scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle	1190	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
820	shade term_name title transparent transparent_all tripleclickwords	1191	secondaryScreen secondaryScroll shade skipBuiltinGlyphs skipScroll
		1192	term_name title transient_for transparent tripleclickwords urgentOnBell
821	utmpInhibit visualBell	1193	utmpInhibit visualBell
822		1194
823	=cut	1195	=cut
824		1196
825	sub resource($$;$) {	1197	sub resource($$;$) {
826	my ($self, $name) = (shift, shift);	1198	my ($self, $name) = (shift, shift);
827	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);	1199	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
828	&urxvt::term::_resource	1200	goto &urxvt::term::_resource
829	}	1201	}
830		1202
831	=item $success = $term->parse_keysym ($keysym_spec, $command_string)	1203	=item $value = $term->x_resource ($pattern)
832		1204
		1205	Returns the X-Resource for the given pattern, excluding the program or
		1206	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
		1207	same value as used by this instance of rxvt-unicode. Returns C<undef> if no
		1208	resource with that pattern exists.
		1209
		1210	Extensions that define extra resource or command line arguments also need
		1211	to call this method to access their values.
		1212
		1213	If the method is called on an extension object (basically, from an
		1214	extension), then the special prefix C<%.> will be replaced by the name of
		1215	the extension and a dot, and the lone string C<%> will be replaced by the
		1216	extension name itself. This makes it possible to code extensions so you
		1217	can rename them and get a new set of commandline switches and resources
		1218	without having to change the actual code.
		1219
		1220	This method should only be called during the C<on_start> hook, as there is
		1221	only one resource database per display, and later invocations might return
		1222	the wrong resources.
		1223
		1224	=item $value = $term->x_resource_boolean ($pattern)
		1225
		1226	Like C<x_resource>, above, but interprets the string value as a boolean
		1227	and returns C<1> for true values, C<0> for false values and C<undef> if
		1228	the resource or option isn't specified.
		1229
		1230	You should always use this method to parse boolean resources.
		1231
		1232	=cut
		1233
		1234	sub x_resource_boolean {
		1235	my $res = &x_resource;
		1236
		1237	$res =~ /^\s*(?:true|yes|on|1)\s*$/i ? 1 : defined $res && 0
		1238	}
		1239
		1240	=item $success = $term->parse_keysym ($key, $octets)
		1241
833	Adds a keymap translation exactly as specified via a resource. See the	1242	Adds a key binding exactly as specified via a resource. See the
834	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.	1243	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.
		1244
		1245	=item $term->register_command ($keysym, $modifiermask, $string)
		1246
		1247	Adds a key binding. This is a lower level api compared to
		1248	C<parse_keysym>, as it expects a parsed key description, and can be
		1249	used only inside either the C<on_init> hook, to add a binding, or the
		1250	C<on_register_command> hook, to modify a parsed binding.
835		1251
836	=item $rend = $term->rstyle ([$new_rstyle])	1252	=item $rend = $term->rstyle ([$new_rstyle])
837		1253
838	Return and optionally change the current rendition. Text that is output by	1254	Return and optionally change the current rendition. Text that is output by
839	the terminal application will use this style.	1255	the terminal application will use this style.
…		…
847		1263
848	=item ($row, $col) = $term->selection_beg ([$row, $col])	1264	=item ($row, $col) = $term->selection_beg ([$row, $col])
849		1265
850	=item ($row, $col) = $term->selection_end ([$row, $col])	1266	=item ($row, $col) = $term->selection_end ([$row, $col])
851		1267
852	Return the current values of the selection mark, begin or end positions,	1268	Return the current values of the selection mark, begin or end positions.
853	and optionally set them to new values.
854		1269
		1270	When arguments are given, then the selection coordinates are set to
		1271	C<$row> and C<$col>, and the selection screen is set to the current
		1272	screen.
		1273
		1274	=item $screen = $term->selection_screen ([$screen])
		1275
		1276	Returns the current selection screen, and then optionally sets it.
		1277
		1278	=item $term->selection_make ($eventtime[, $rectangular])
		1279
		1280	Tries to make a selection as set by C<selection_beg> and
		1281	C<selection_end>. If C<$rectangular> is true (default: false), a
		1282	rectangular selection will be made. This is the preferred function to make
		1283	a selection.
		1284
855	=item $success = $term->selection_grab ($eventtime)	1285	=item $success = $term->selection_grab ($eventtime[, $clipboard])
856		1286
857	Try to request the primary selection from the server (for example, as set	1287	Try to acquire ownership of the primary (clipboard if C<$clipboard> is
858	by the next method).	1288	true) selection from the server. The corresponding text can be set
		1289	with the next method. No visual feedback will be given. This function
		1290	is mostly useful from within C<on_sel_grab> hooks.
859		1291
860	=item $oldtext = $term->selection ([$newtext])	1292	=item $oldtext = $term->selection ([$newtext, $clipboard])
861		1293
862	Return the current selection text and optionally replace it by C<$newtext>.	1294	Return the current selection (clipboard if C<$clipboard> is true) text
		1295	and optionally replace it by C<$newtext>.
		1296
		1297	=item $term->selection_clear ([$clipboard])
		1298
		1299	Revoke ownership of the primary (clipboard if C<$clipboard> is true) selection.
863		1300
864	=item $term->overlay_simple ($x, $y, $text)	1301	=item $term->overlay_simple ($x, $y, $text)
865		1302
866	Create a simple multi-line overlay box. See the next method for details.	1303	Create a simple multi-line overlay box. See the next method for details.
867		1304
…		…
897		1334
898	The methods currently supported on C<urxvt::overlay> objects are:	1335	The methods currently supported on C<urxvt::overlay> objects are:
899		1336
900	=over 4	1337	=over 4
901		1338
902	=item $overlay->set ($x, $y, $text, $rend)	1339	=item $overlay->set ($x, $y, $text[, $rend])
903		1340
904	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts	1341	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts
905	text in rxvt-unicode's special encoding and an array of rendition values	1342	text in rxvt-unicode's special encoding and an array of rendition values
906	at a specific position inside the overlay.	1343	at a specific position inside the overlay.
		1344
		1345	If C<$rend> is missing, then the rendition will not be changed.
907		1346
908	=item $overlay->hide	1347	=item $overlay->hide
909		1348
910	If visible, hide the overlay, but do not destroy it.	1349	If visible, hide the overlay, but do not destroy it.
911		1350
…		…
956	Convert the given locale-encoded octets into a perl string.	1395	Convert the given locale-encoded octets into a perl string.
957		1396
958	=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])	1397	=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])
959		1398
960	XORs the rendition values in the given span with the provided value	1399	XORs the rendition values in the given span with the provided value
961	(default: C<RS_RVid>). Useful in refresh hooks to provide effects similar	1400	(default: C<RS_RVid>), which I<MUST NOT> contain font styles. Useful in
962	to the selection.	1401	refresh hooks to provide effects similar to the selection.
963		1402
964	=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])	1403	=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])
965		1404
966	Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing	1405	Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing
967	whitespace will additionally be xored with the C<$rstyle2>, which defaults	1406	whitespace will additionally be xored with the C<$rstyle2>, which defaults
968	to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines	1407	to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines
969	it instead.	1408	it instead. Both styles I<MUST NOT> contain font styles.
970		1409
971	=item $term->scr_bell	1410	=item $term->scr_bell
972		1411
973	Ring the bell!	1412	Ring the bell!
974		1413
…		…
981		1420
982	Normally its not a good idea to use this function, as programs might be	1421	Normally its not a good idea to use this function, as programs might be
983	confused by changes in cursor position or scrolling. Its useful inside a	1422	confused by changes in cursor position or scrolling. Its useful inside a
984	C<on_add_lines> hook, though.	1423	C<on_add_lines> hook, though.
985		1424
		1425	=item $term->scr_change_screen ($screen)
		1426
		1427	Switch to given screen - 0 primary, 1 secondary.
		1428
986	=item $term->cmd_parse ($octets)	1429	=item $term->cmd_parse ($octets)
987		1430
988	Similar to C<scr_add_lines>, but the argument must be in the	1431	Similar to C<scr_add_lines>, but the argument must be in the
989	locale-specific encoding of the terminal and can contain command sequences	1432	locale-specific encoding of the terminal and can contain command sequences
990	(escape codes) that will be interpreted.	1433	(escape codes) that will be interpreted.
991		1434
992	=item $term->tt_write ($octets)	1435	=item $term->tt_write ($octets)
993		1436
994	Write the octets given in C<$data> to the tty (i.e. as program input). To	1437	Write the octets given in C<$octets> to the tty (i.e. as program input). To
995	pass characters instead of octets, you should convert your strings first	1438	pass characters instead of octets, you should convert your strings first
996	to the locale-specific encoding using C<< $term->locale_encode >>.	1439	to the locale-specific encoding using C<< $term->locale_encode >>.
		1440
		1441	=item $term->tt_paste ($octets)
		1442
		1443	Write the octets given in C<$octets> to the tty as a paste, converting NL to
		1444	CR and bracketing the data with control sequences if bracketed paste mode
		1445	is set.
997		1446
998	=item $old_events = $term->pty_ev_events ([$new_events])	1447	=item $old_events = $term->pty_ev_events ([$new_events])
999		1448
1000	Replaces the event mask of the pty watcher by the given event mask. Can	1449	Replaces the event mask of the pty watcher by the given event mask. Can
1001	be used to suppress input and output handling to the pty/tty. See the	1450	be used to suppress input and output handling to the pty/tty. See the
1002	description of C<< urxvt::timer->events >>. Make sure to always restore	1451	description of C<< urxvt::timer->events >>. Make sure to always restore
1003	the previous value.	1452	the previous value.
1004		1453
		1454	=item $fd = $term->pty_fd
		1455
		1456	Returns the master file descriptor for the pty in use, or C<-1> if no pty
		1457	is used.
		1458
1005	=item $windowid = $term->parent	1459	=item $windowid = $term->parent
1006		1460
1007	Return the window id of the toplevel window.	1461	Return the window id of the toplevel window.
1008		1462
1009	=item $windowid = $term->vt	1463	=item $windowid = $term->vt
1010		1464
1011	Return the window id of the terminal window.	1465	Return the window id of the terminal window.
1012		1466
		1467	=item $term->vt_emask_add ($x_event_mask)
		1468
		1469	Adds the specified events to the vt event mask. Useful e.g. when you want
		1470	to receive pointer events all the times:
		1471
		1472	$term->vt_emask_add (urxvt::PointerMotionMask);
		1473
		1474	=item $term->set_urgency ($set)
		1475
		1476	Enable/disable the urgency hint on the toplevel window.
		1477
		1478	=item $term->focus_in
		1479
		1480	=item $term->focus_out
		1481
		1482	=item $term->key_press ($state, $keycode[, $time])
		1483
		1484	=item $term->key_release ($state, $keycode[, $time])
		1485
		1486	Deliver various fake events to to terminal.
		1487
1013	=item $window_width = $term->width	1488	=item $window_width = $term->width
1014		1489
1015	=item $window_height = $term->height	1490	=item $window_height = $term->height
1016		1491
1017	=item $font_width = $term->fwidth	1492	=item $font_width = $term->fwidth
…		…
1030		1505
1031	=item $max_scrollback = $term->saveLines	1506	=item $max_scrollback = $term->saveLines
1032		1507
1033	=item $nrow_plus_saveLines = $term->total_rows	1508	=item $nrow_plus_saveLines = $term->total_rows
1034		1509
1035	=item $lines_in_scrollback = $term->nsaved	1510	=item $topmost_scrollback_row = $term->top_row
1036		1511
1037	Return various integers describing terminal characteristics.	1512	Return various integers describing terminal characteristics.
1038		1513
		1514	=item $x_display = $term->display_id
		1515
		1516	Return the DISPLAY used by rxvt-unicode.
		1517
1039	=item $lc_ctype = $term->locale	1518	=item $lc_ctype = $term->locale
1040		1519
1041	Returns the LC_CTYPE category string used by this rxvt-unicode.	1520	Returns the LC_CTYPE category string used by this rxvt-unicode.
1042		1521
1043	=item $x_display = $term->display_id	1522	=item $env = $term->env
1044		1523
1045	Return the DISPLAY used by rxvt-unicode.	1524	Returns a copy of the environment in effect for the terminal as a hashref
		1525	similar to C<\%ENV>.
		1526
		1527	=item @envv = $term->envv
		1528
		1529	Returns the environment as array of strings of the form C<VAR=VALUE>.
		1530
		1531	=item @argv = $term->argv
		1532
		1533	Return the argument vector as this terminal, similar to @ARGV, but
		1534	includes the program name as first element.
		1535
		1536	=cut
		1537
		1538	sub env {
		1539	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), $_[0]->envv }
		1540	}
1046		1541
1047	=item $modifiermask = $term->ModLevel3Mask	1542	=item $modifiermask = $term->ModLevel3Mask
1048		1543
1049	=item $modifiermask = $term->ModMetaMask	1544	=item $modifiermask = $term->ModMetaMask
1050		1545
1051	=item $modifiermask = $term->ModNumLockMask	1546	=item $modifiermask = $term->ModNumLockMask
1052		1547
1053	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often	1548	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
1054	AltGr), the meta key (often Alt) and the num lock key, if applicable.	1549	AltGr), the meta key (often Alt) and the num lock key, if applicable.
1055		1550
		1551	=item $screen = $term->current_screen
		1552
		1553	Returns the currently displayed screen (0 primary, 1 secondary).
		1554
		1555	=item $cursor_is_hidden = $term->hidden_cursor
		1556
		1557	Returns whether the cursor is currently hidden or not.
		1558
1056	=item $view_start = $term->view_start ([$newvalue])	1559	=item $view_start = $term->view_start ([$newvalue])
1057		1560
1058	Returns the negative row number of the topmost line. Minimum value is	1561	Returns the row number of the topmost displayed line. Maximum value is
1059	C<0>, which displays the normal terminal contents. Larger values scroll	1562	C<0>, which displays the normal terminal contents. Lower values scroll
1060	this many lines into the scrollback buffer.	1563	this many lines into the scrollback buffer.
1061		1564
1062	=item $term->want_refresh	1565	=item $term->want_refresh
1063		1566
1064	Requests a screen refresh. At the next opportunity, rxvt-unicode will	1567	Requests a screen refresh. At the next opportunity, rxvt-unicode will
…		…
1067		1570
1068	Used after changing terminal contents to display them.	1571	Used after changing terminal contents to display them.
1069		1572
1070	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])	1573	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
1071		1574
1072	Returns the text of the entire row with number C<$row_number>. Row C<0>	1575	Returns the text of the entire row with number C<$row_number>. Row C<< $term->top_row >>
1073	is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost	1576	is the topmost terminal line, row C<< $term->nrow-1 >> is the bottommost
1074	terminal line. The scrollback buffer starts at line C<-1> and extends to
1075	line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line	1577	terminal line. Nothing will be returned if a nonexistent line
1076	is requested.	1578	is requested.
1077		1579
1078	If C<$new_text> is specified, it will replace characters in the current	1580	If C<$new_text> is specified, it will replace characters in the current
1079	line, starting at column C<$start_col> (default C<0>), which is useful	1581	line, starting at column C<$start_col> (default C<0>), which is useful
1080	to replace only parts of a line. The font index in the rendition will	1582	to replace only parts of a line. The font index in the rendition will
1081	automatically be updated.	1583	automatically be updated.
1082		1584
1083	C<$text> is in a special encoding: tabs and wide characters that use more	1585	C<$text> is in a special encoding: tabs and wide characters that use more
1084	than one cell when displayed are padded with urxvt::NOCHAR characters	1586	than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
1085	(C<chr 65535>). Characters with combining characters and other characters	1587	characters. Characters with combining characters and other characters that
1086	that do not fit into the normal tetx encoding will be replaced with	1588	do not fit into the normal text encoding will be replaced with characters
1087	characters in the private use area.	1589	in the private use area.
1088		1590
1089	You have to obey this encoding when changing text. The advantage is	1591	You have to obey this encoding when changing text. The advantage is
1090	that C<substr> and similar functions work on screen cells and not on	1592	that C<substr> and similar functions work on screen cells and not on
1091	characters.	1593	characters.
1092		1594
…		…
1143	Return the row number of the first/last row of the line, respectively.	1645	Return the row number of the first/last row of the line, respectively.
1144		1646
1145	=item $offset = $line->offset_of ($row, $col)	1647	=item $offset = $line->offset_of ($row, $col)
1146		1648
1147	Returns the character offset of the given row|col pair within the logical	1649	Returns the character offset of the given row|col pair within the logical
1148	line.	1650	line. Works for rows outside the line, too, and returns corresponding
		1651	offsets outside the string.
1149		1652
1150	=item ($row, $col) = $line->coord_of ($offset)	1653	=item ($row, $col) = $line->coord_of ($offset)
1151		1654
1152	Translates a string offset into terminal coordinates again.	1655	Translates a string offset into terminal coordinates again.
1153		1656
…		…
1235	where one character corresponds to one screen cell. See	1738	where one character corresponds to one screen cell. See
1236	C<< $term->ROW_t >> for details.	1739	C<< $term->ROW_t >> for details.
1237		1740
1238	=item $string = $term->special_decode $text	1741	=item $string = $term->special_decode $text
1239		1742
1240	Converts rxvt-unicodes text reprsentation into a perl string. See	1743	Converts rxvt-unicodes text representation into a perl string. See
1241	C<< $term->ROW_t >> for details.	1744	C<< $term->ROW_t >> for details.
1242		1745
1243	=item $success = $term->grab_button ($button, $modifiermask)	1746	=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
1244		1747
		1748	=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
		1749
1245	Registers a synchronous button grab. See the XGrabButton manpage.	1750	Register/unregister a synchronous button grab. See the XGrabButton
		1751	manpage.
1246		1752
1247	=item $success = $term->grab ($eventtime[, $sync])	1753	=item $success = $term->grab ($eventtime[, $sync])
1248		1754
1249	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or	1755	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1250	synchronous (C<$sync> is true). Also remembers the grab timestampe.	1756	synchronous (C<$sync> is true). Also remembers the grab timestamp.
1251		1757
1252	=item $term->allow_events_async	1758	=item $term->allow_events_async
1253		1759
1254	Calls XAllowEvents with AsyncBoth for the most recent grab.	1760	Calls XAllowEvents with AsyncBoth for the most recent grab.
1255		1761
…		…
1262	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most	1768	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
1263	recent grab.	1769	recent grab.
1264		1770
1265	=item $term->ungrab	1771	=item $term->ungrab
1266		1772
1267	Calls XUngrab for the most recent grab. Is called automatically on	1773	Calls XUngrabPointer and XUngrabKeyboard for the most recent grab. Is called automatically on
1268	evaluation errors, as it is better to lose the grab in the error case as	1774	evaluation errors, as it is better to lose the grab in the error case as
1269	the session.	1775	the session.
		1776
		1777	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
		1778
		1779	=item $atom_name = $term->XGetAtomName ($atom)
		1780
		1781	=item @atoms = $term->XListProperties ($window)
		1782
		1783	=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
		1784
		1785	=item $term->XChangeProperty ($window, $property, $type, $format, $octets)
		1786
		1787	=item $term->XDeleteProperty ($window, $property)
		1788
		1789	=item $window = $term->DefaultRootWindow
		1790
		1791	=item $term->XReparentWindow ($window, $parent, [$x, $y])
		1792
		1793	=item $term->XMapWindow ($window)
		1794
		1795	=item $term->XUnmapWindow ($window)
		1796
		1797	=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
		1798
		1799	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
		1800
		1801	=item $term->XChangeInput ($window, $add_events[, $del_events])
		1802
		1803	=item $keysym = $term->XStringToKeysym ($string)
		1804
		1805	=item $string = $term->XKeysymToString ($keysym)
		1806
		1807	Various X or X-related functions. The C<$term> object only serves as
		1808	the source of the display, otherwise those functions map more-or-less
		1809	directly onto the X functions of the same name.
1270		1810
1271	=back	1811	=back
1272		1812
1273	=cut	1813	=cut
1274		1814
…		…
1289		1829
1290	$item->{render} ||= sub { $_[0]{text} };	1830	$item->{render} ||= sub { $_[0]{text} };
1291		1831
1292	push @{ $self->{item} }, $item;	1832	push @{ $self->{item} }, $item;
1293	}	1833	}
		1834
		1835	=item $popup->add_title ($title)
		1836
		1837	Adds a non-clickable title to the popup.
		1838
		1839	=cut
		1840
		1841	sub add_title {
		1842	my ($self, $title) = @_;
		1843
		1844	$self->add_item ({
		1845	rend => { normal => "\x1b[38;5;11;44m", hover => "\x1b[38;5;11;44m", active => "\x1b[38;5;11;44m" },
		1846	text => $title,
		1847	activate => sub { },
		1848	});
		1849	}
		1850
		1851	=item $popup->add_separator ([$sepchr])
		1852
		1853	Creates a separator, optionally using the character given as C<$sepchr>.
		1854
		1855	=cut
1294		1856
1295	sub add_separator {	1857	sub add_separator {
1296	my ($self, $sep) = @_;	1858	my ($self, $sep) = @_;
1297		1859
1298	$sep ||= "=";	1860	$sep ||= "=";
…		…
1303	render => sub { $sep x $self->{term}->ncol },	1865	render => sub { $sep x $self->{term}->ncol },
1304	activate => sub { },	1866	activate => sub { },
1305	});	1867	});
1306	}	1868	}
1307		1869
1308	sub add_title {	1870	=item $popup->add_button ($text, $cb)
1309	my ($self, $title) = @_;
1310		1871
1311	$self->add_item ({	1872	Adds a clickable button to the popup. C<$cb> is called whenever it is
1312	rend => { normal => "\x1b[38;5;11;44m", hover => "\x1b[38;5;11;44m", active => "\x1b[38;5;11;44m" },	1873	selected.
1313	text => $title,	1874
1314	activate => sub { },	1875	=cut
1315	});
1316	}
1317		1876
1318	sub add_button {	1877	sub add_button {
1319	my ($self, $text, $cb) = @_;	1878	my ($self, $text, $cb) = @_;
1320		1879
1321	$self->add_item ({ type => "button", text => $text, activate => $cb});	1880	$self->add_item ({ type => "button", text => $text, activate => $cb});
1322	}	1881	}
1323		1882
		1883	=item $popup->add_toggle ($text, $initial_value, $cb)
		1884
		1885	Adds a toggle/checkbox item to the popup. The callback gets called
		1886	whenever it gets toggled, with a boolean indicating its new value as its
		1887	first argument.
		1888
		1889	=cut
		1890
1324	sub add_toggle {	1891	sub add_toggle {
1325	my ($self, $text, $cb, $value) = @_;	1892	my ($self, $text, $value, $cb) = @_;
1326		1893
1327	my $item; $item = {	1894	my $item; $item = {
1328	type => "button",	1895	type => "button",
1329	text => " $text",	1896	text => " $text",
1330	value => $value,	1897	value => $value,
1331	render => sub { ($_[0]{value} ? "* " : " ") . $text },	1898	render => sub { ($_[0]{value} ? "* " : " ") . $text },
1332	activate => sub { $cb->($_[0]{value} = !$_[0]{value}); },	1899	activate => sub { $cb->($_[1]{value} = !$_[1]{value}); },
1333	};	1900	};
1334		1901
1335	$self->add_item ($item);	1902	$self->add_item ($item);
1336	}	1903	}
		1904
		1905	=item $popup->show
		1906
		1907	Displays the popup (which is initially hidden).
		1908
		1909	=cut
1337		1910
1338	sub show {	1911	sub show {
1339	my ($self) = @_;	1912	my ($self) = @_;
1340		1913
1341	local $urxvt::popup::self = $self;	1914	local $urxvt::popup::self = $self;
1342		1915
		1916	my $env = $self->{term}->env;
		1917	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
		1918	delete $env->{LC_ALL};
1343	local $ENV{LC_ALL} = $self->{term}->locale;	1919	$env->{LC_CTYPE} = $self->{term}->locale;
1344		1920
1345	urxvt->new ("--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0,	1921	my $term = urxvt::term->new (
		1922	$env, "popup",
		1923	"--perl-lib" => "", "--perl-ext-common" => "",
		1924	"-pty-fd" => -1, "-sl" => 0,
		1925	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1346	"--transient-for" => $self->{term}->parent,	1926	"--transient-for" => $self->{term}->parent,
1347	"-display" => $self->{term}->display_id,	1927	"-display" => $self->{term}->display_id,
1348	"-pe" => "urxvt-popup")	1928	"-pe" => "urxvt-popup",
1349	or die "unable to create popup window\n";	1929	) or die "unable to create popup window\n";
		1930
		1931	unless (delete $term->{urxvt_popup_init_done}) {
		1932	$term->ungrab;
		1933	$term->destroy;
		1934	die "unable to initialise popup window\n";
		1935	}
1350	}	1936	}
1351		1937
1352	sub DESTROY {	1938	sub DESTROY {
1353	my ($self) = @_;	1939	my ($self) = @_;
1354		1940
1355	delete $self->{term}{_destroy}{$self};	1941	delete $self->{term}{_destroy}{$self};
1356	$self->{term}->ungrab;	1942	$self->{term}->ungrab;
1357	}	1943	}
		1944
		1945	=back
		1946
		1947	=cut
		1948
		1949	package urxvt::watcher;
1358		1950
1359	=head2 The C<urxvt::timer> Class	1951	=head2 The C<urxvt::timer> Class
1360		1952
1361	This class implements timer watchers/events. Time is represented as a	1953	This class implements timer watchers/events. Time is represented as a
1362	fractional number of seconds since the epoch. Example:	1954	fractional number of seconds since the epoch. Example:
…		…
1366	->new	1958	->new
1367	->interval (1)	1959	->interval (1)
1368	->cb (sub {	1960	->cb (sub {
1369	$term->{overlay}->set (0, 0,	1961	$term->{overlay}->set (0, 0,
1370	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);	1962	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
1371	});	1963	});
1372		1964
1373	=over 4	1965	=over 4
1374		1966
1375	=item $timer = new urxvt::timer	1967	=item $timer = new urxvt::timer
1376		1968
…		…
1379		1971
1380	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })	1972	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })
1381		1973
1382	Set the callback to be called when the timer triggers.	1974	Set the callback to be called when the timer triggers.
1383		1975
1384	=item $tstamp = $timer->at
1385
1386	Return the time this watcher will fire next.
1387
1388	=item $timer = $timer->set ($tstamp)	1976	=item $timer = $timer->set ($tstamp[, $interval])
1389		1977
1390	Set the time the event is generated to $tstamp.	1978	Set the time the event is generated to $tstamp (and optionally specifies a
		1979	new $interval).
1391		1980
1392	=item $timer = $timer->interval ($interval)	1981	=item $timer = $timer->interval ($interval)
1393		1982
1394	Normally (and when C<$interval> is C<0>), the timer will automatically	1983	By default (and when C<$interval> is C<0>), the timer will automatically
1395	stop after it has fired once. If C<$interval> is non-zero, then the timer	1984	stop after it has fired once. If C<$interval> is non-zero, then the timer
1396	is automatically rescheduled at the given intervals.	1985	is automatically rescheduled at the given intervals.
1397		1986
1398	=item $timer = $timer->start	1987	=item $timer = $timer->start
1399		1988
1400	Start the timer.	1989	Start the timer.
1401		1990
1402	=item $timer = $timer->start ($tstamp)	1991	=item $timer = $timer->start ($tstamp[, $interval])
1403		1992
1404	Set the event trigger time to C<$tstamp> and start the timer.	1993	Set the event trigger time to C<$tstamp> and start the timer. Optionally
		1994	also replaces the interval.
		1995
		1996	=item $timer = $timer->after ($delay[, $interval])
		1997
		1998	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1405		1999
1406	=item $timer = $timer->stop	2000	=item $timer = $timer->stop
1407		2001
1408	Stop the timer.	2002	Stop the timer.
1409		2003
…		…
1415		2009
1416	$term->{socket} = ...	2010	$term->{socket} = ...
1417	$term->{iow} = urxvt::iow	2011	$term->{iow} = urxvt::iow
1418	->new	2012	->new
1419	->fd (fileno $term->{socket})	2013	->fd (fileno $term->{socket})
1420	->events (urxvt::EVENT_READ)	2014	->events (urxvt::EV_READ)
1421	->start	2015	->start
1422	->cb (sub {	2016	->cb (sub {
1423	my ($iow, $revents) = @_;	2017	my ($iow, $revents) = @_;
1424	# $revents must be 1 here, no need to check	2018	# $revents must be 1 here, no need to check
1425	sysread $term->{socket}, my $buf, 8192	2019	sysread $term->{socket}, my $buf, 8192
…		…
1438	Set the callback to be called when io events are triggered. C<$reventmask>	2032	Set the callback to be called when io events are triggered. C<$reventmask>
1439	is a bitset as described in the C<events> method.	2033	is a bitset as described in the C<events> method.
1440		2034
1441	=item $iow = $iow->fd ($fd)	2035	=item $iow = $iow->fd ($fd)
1442		2036
1443	Set the filedescriptor (not handle) to watch.	2037	Set the file descriptor (not handle) to watch.
1444		2038
1445	=item $iow = $iow->events ($eventmask)	2039	=item $iow = $iow->events ($eventmask)
1446		2040
1447	Set the event mask to watch. The only allowed values are	2041	Set the event mask to watch. The only allowed values are
1448	C<urxvt::EVENT_READ> and C<urxvt::EVENT_WRITE>, which might be ORed	2042	C<urxvt::EV_READ> and C<urxvt::EV_WRITE>, which might be ORed
1449	together, or C<urxvt::EVENT_NONE>.	2043	together, or C<urxvt::EV_NONE>.
1450		2044
1451	=item $iow = $iow->start	2045	=item $iow = $iow->start
1452		2046
1453	Start watching for requested events on the given handle.	2047	Start watching for requested events on the given handle.
1454		2048
1455	=item $iow = $iow->stop	2049	=item $iow = $iow->stop
1456		2050
1457	Stop watching for events on the given filehandle.	2051	Stop watching for events on the given file handle.
		2052
		2053	=back
		2054
		2055	=head2 The C<urxvt::iw> Class
		2056
		2057	This class implements idle watchers, that get called automatically when
		2058	the process is idle. They should return as fast as possible, after doing
		2059	some useful work.
		2060
		2061	=over 4
		2062
		2063	=item $iw = new urxvt::iw
		2064
		2065	Create a new idle watcher object in stopped state.
		2066
		2067	=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
		2068
		2069	Set the callback to be called when the watcher triggers.
		2070
		2071	=item $timer = $timer->start
		2072
		2073	Start the watcher.
		2074
		2075	=item $timer = $timer->stop
		2076
		2077	Stop the watcher.
		2078
		2079	=back
		2080
		2081	=head2 The C<urxvt::pw> Class
		2082
		2083	This class implements process watchers. They create an event whenever a
		2084	process exits, after which they stop automatically.
		2085
		2086	my $pid = fork;
		2087	...
		2088	$term->{pw} = urxvt::pw
		2089	->new
		2090	->start ($pid)
		2091	->cb (sub {
		2092	my ($pw, $exit_status) = @_;
		2093	...
		2094	});
		2095
		2096	=over 4
		2097
		2098	=item $pw = new urxvt::pw
		2099
		2100	Create a new process watcher in stopped state.
		2101
		2102	=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
		2103
		2104	Set the callback to be called when the timer triggers.
		2105
		2106	=item $pw = $timer->start ($pid)
		2107
		2108	Tells the watcher to start watching for process C<$pid>.
		2109
		2110	=item $pw = $pw->stop
		2111
		2112	Stop the watcher.
1458		2113
1459	=back	2114	=back
1460		2115
1461	=head1 ENVIRONMENT	2116	=head1 ENVIRONMENT
1462		2117
…		…
1469		2124
1470	=item == 0 - fatal messages	2125	=item == 0 - fatal messages
1471		2126
1472	=item >= 3 - script loading and management	2127	=item >= 3 - script loading and management
1473		2128
1474	=item >=10 - all events received	2129	=item >=10 - all called hooks
		2130
		2131	=item >=11 - hook return values
1475		2132
1476	=back	2133	=back
1477		2134
1478	=head1 AUTHOR	2135	=head1 AUTHOR
1479		2136
1480	Marc Lehmann <pcg@goof.com>	2137	Marc Lehmann <schmorp@schmorp.de>
1481	http://software.schmorp.de/pkg/rxvt-unicode	2138	http://software.schmorp.de/pkg/rxvt-unicode
1482		2139
1483	=cut	2140	=cut
1484		2141
1485	1	2142	1
		2143
		2144	# vim: sw=3:

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