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Revision 1.69 by root, Mon Jan 9 22:41:41 2006 UTC vs.
Revision 1.133 by root, Mon Feb 6 06:14:08 2006 UTC

…		…
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	=head1 PREPACKAGED EXTENSIONS
32		32
33	This section describes the extensiosn delivered with this version. You can	33	This section describes the extensions delivered with this release. You can
34	find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>.	34	find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>.
35		35
36	You can activate them like this:	36	You can activate them like this:
37		37
38	@@RXVT_NAME@@ -pe <extensionname>	38	@@RXVT_NAME@@ -pe <extensionname>
39		39
		40	Or by adding them to the resource for extensions loaded by default:
		41
		42	URxvt.perl-ext-common: default,automove-background,selection-autotransform
		43
40	=over 4	44	=over 4
41		45
42	=item selection (enabled by default)	46	=item selection (enabled by default)
43		47
44	Intelligent selection. This extension tries to be more intelligent when	48	(More) intelligent selection. This extension tries to be more intelligent
45	the user extends selections (double-click). Right now, it tries to select	49	when the user extends selections (double-click and further clicks). Right
46	urls and complete shell-quoted arguments, which is very convenient, too,	50	now, it tries to select words, urls and complete shell-quoted
47	if your F<ls> supports C<--quoting-style=shell>.	51	arguments, which is very convenient, too, if your F<ls> supports
		52	C<--quoting-style=shell>.
48		53
49	It also offers the following bindable event:	54	A double-click usually selects the word under the cursor, further clicks
		55	will enlarge the selection.
		56
		57	The selection works by trying to match a number of regexes and displaying
		58	them in increasing order of length. You can add your own regexes by
		59	specifying resources of the form:
		60
		61	URxvt.selection.pattern-0: perl-regex
		62	URxvt.selection.pattern-1: perl-regex
		63	...
		64
		65	The index number (0, 1...) must not have any holes, and each regex must
		66	contain at least one pair of capturing parentheses, which will be used for
		67	the match. For example, the followign adds a regex that matches everything
		68	between two vertical bars:
		69
		70	URxvt.selection.pattern-0: \\|([^|]+)\\|
		71
		72	Another example: Programs I use often output "absolute path: " at the
		73	beginning of a line when they process multiple files. The following
		74	pattern matches the filename (note, there is a single space at the very
		75	end):
		76
		77	URxvt.selection.pattern-0: ^(/[^:]+):\
		78
		79	You can look at the source of the selection extension to see more
		80	interesting uses, such as parsing a line from beginning to end.
		81
		82	This extension also offers following bindable keyboard commands:
50		83
51	=over 4	84	=over 4
52		85
53	=item rot13	86	=item rot13
54		87
…		…
61	=item option-popup (enabled by default)	94	=item option-popup (enabled by default)
62		95
63	Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at	96	Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at
64	runtime.	97	runtime.
65		98
		99	Other extensions can extend this popup menu by pushing a code reference
		100	onto C<@{ $term->{option_popup_hook} }>, which gets called whenever the
		101	popup is being displayed.
		102
		103	It's sole argument is the popup menu, which can be modified. It should
		104	either return nothing or a string, the initial boolean value and a code
		105	reference. The string will be used as button text and the code reference
		106	will be called when the toggle changes, with the new boolean value as
		107	first argument.
		108
		109	The following will add an entry C<myoption> that changes
		110	C<$self->{myoption}>:
		111
		112	push @{ $self->{term}{option_popup_hook} }, sub {
		113	("my option" => $myoption, sub { $self->{myoption} = $_[0] })
		114	};
		115
66	=item selection-popup (enabled by default)	116	=item selection-popup (enabled by default)
67		117
68	Binds a popup menu to Ctrl-Button3 that lets you convert the selection	118	Binds a popup menu to Ctrl-Button3 that lets you convert the selection
69	text into various other formats/action.	119	text into various other formats/action (such as uri unescaping, perl
		120	evaluation, web-browser starting etc.), depending on content.
70		121
		122	Other extensions can extend this popup menu by pushing a code reference
		123	onto C<@{ $term->{selection_popup_hook} }>, which gets called whenever the
		124	popup is being displayed.
		125
		126	It's sole argument is the popup menu, which can be modified. The selection
		127	is in C<$_>, which can be used to decide wether to add something or not.
		128	It should either return nothing or a string and a code reference. The
		129	string will be used as button text and the code reference will be called
		130	when the button gets activated and should transform C<$_>.
		131
		132	The following will add an entry C<a to b> that transforms all C<a>s in
		133	the selection to C<b>s, but only if the selection currently contains any
		134	C<a>s:
		135
		136	push @{ $self->{term}{selection_popup_hook} }, sub {
		137	/a/ ? ("a to be" => sub { s/a/b/g }
		138	: ()
		139	};
		140
71	=item searchable-scrollback (enabled by default)	141	=item searchable-scrollback<hotkey> (enabled by default)
72		142
73	Adds regex search functionality to the scrollback buffer, triggered by a	143	Adds regex search functionality to the scrollback buffer, triggered
74	hotkey (default: C<M-s>). When in search mode, terminal input/output is	144	by a hotkey (default: C<M-s>). While in search mode, normal terminal
75	suspended, C</> starts an incremental regex search, C<n> searches further,	145	input/output is suspended and a regex is displayed at the bottom of the
76	C<p> jumps to the previous match. C<enter> leaves search mode at the	146	screen.
77	current position and C<escape> returns to the original position.
78		147
79	=item digital-clock	148	Inputting characters appends them to the regex and continues incremental
		149	search. C<BackSpace> removes a character from the regex, C<Up> and C<Down>
		150	search upwards/downwards in the scrollback buffer, C<End> jumps to the
		151	bottom. C<Escape> leaves search mode and returns to the point where search
		152	was started, while C<Enter> or C<Return> stay at the current position and
		153	additionally stores the first match in the current line into the primary
		154	selection.
80		155
81	Displays a digital clock using the built-in overlay.	156	=item readline (enabled by default)
		157
		158	A support package that tries to make editing with readline easier. At the
		159	moment, it reacts to clicking with the left mouse button by trying to
		160	move the text cursor to this position. It does so by generating as many
		161	cursor-left or cursor-right keypresses as required (the this only works
		162	for programs that correctly support wide characters).
		163
		164	To avoid too many false positives, this is only done when:
		165
		166	=over 4
		167
		168	=item - the tty is in ICANON state.
		169
		170	=item - the text cursor is visible.
		171
		172	=item - the primary screen is currently being displayed.
		173
		174	=item - the mouse is on the same (multi-row-) line as the text cursor.
		175
		176	=back
		177
		178	The normal selection mechanism isn't disabled, so quick successive clicks
		179	might interfere with selection creation in harmless ways.
		180
		181	=item selection-autotransform
		182
		183	This selection allows you to do automatic transforms on a selection
		184	whenever a selection is made.
		185
		186	It works by specifying perl snippets (most useful is a single C<s///>
		187	operator) that modify C<$_> as resources:
		188
		189	URxvt.selection-autotransform.0: transform
		190	URxvt.selection-autotransform.1: transform
		191	...
		192
		193	For example, the following will transform selections of the form
		194	C<filename:number>, often seen in compiler messages, into C<vi +$filename
		195	$word>:
		196
		197	URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/
		198
		199	And this example matches the same,but replaces it with vi-commands you can
		200	paste directly into your (vi :) editor:
		201
		202	URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/:e \\Q$1\\E\\x0d:$2\\x0d/
		203
		204	Of course, this can be modified to suit your needs and your editor :)
		205
		206	To expand the example above to typical perl error messages ("XXX at
		207	FILENAME line YYY."), you need a slightly more elaborate solution:
		208
		209	URxvt.selection.pattern-0: ( at .*? line \\d+[,.])
		210	URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)[,.]$/:e \\Q$1\E\\x0d:$2\\x0d/
		211
		212	The first line tells the selection code to treat the unchanging part of
		213	every error message as a selection pattern, and the second line transforms
		214	the message into vi commands to load the file.
		215
		216	=item tabbed
		217
		218	This transforms the terminal into a tabbar with additional terminals, that
		219	is, it implements what is commonly refered to as "tabbed terminal". The topmost line
		220	displays a "[NEW]" button, which, when clicked, will add a new tab, followed by one
		221	button per tab.
		222
		223	Clicking a button will activate that tab. Pressing B<Shift-Left> and
		224	B<Shift-Right> will switch to the tab left or right of the current one,
		225	while B<Shift-Down> creates a new tab.
		226
		227	The tabbar itself can be configured similarly to a normal terminal, but
		228	with a resource class of C<URxvt.tabbed>. In addition, it supports the
		229	following four resources (shown with defaults):
		230
		231	URxvt.tabbed.tabbar-fg: <colour-index, default 3>
		232	URxvt.tabbed.tabbar-bg: <colour-index, default 0>
		233	URxvt.tabbed.tab-fg: <colour-index, default 0>
		234	URxvt.tabbed.tab-bg: <colour-index, default 1>
		235
		236	See I<COLOR AND GRAPHICS> in the @@RXVT_NAME@@(1) manpage for valid
		237	indices.
82		238
83	=item mark-urls	239	=item mark-urls
84		240
85	Uses per-line display filtering (C<on_line_update>) to underline urls.	241	Uses per-line display filtering (C<on_line_update>) to underline urls and
		242	make them clickable. When middle-clicked, the program specified in the
		243	resource C<urlLauncher> (default C<x-www-browser>) will be started with
		244	the URL as first argument.
		245
		246	=item xim-onthespot
		247
		248	This (experimental) perl extension implements OnTheSpot editing. It does
		249	not work perfectly, and some input methods don't seem to work well with
		250	OnTheSpot editing in general, but it seems to work at leats for SCIM and
		251	kinput2.
		252
		253	You enable it by specifying this extension and a preedit style of
		254	C<OnTheSpot>, i.e.:
		255
		256	@@RXVT_NAME@@ -pt OnTheSpot -pe xim-onthespot
		257
		258	=item automove-background
		259
		260	This is basically a one-line extension that dynamically changes the background pixmap offset
		261	to the window position, in effect creating the same effect as pseudo transparency with
		262	a custom pixmap. No scaling is supported in this mode. Exmaple:
		263
		264	@@RXVT_NAME@@ -pixmap background.xpm -pe automove-background
86		265
87	=item block-graphics-to-ascii	266	=item block-graphics-to-ascii
88		267
89	A not very useful example of filtering all text output to the terminal,	268	A not very useful example of filtering all text output to the terminal,
90	by replacing all line-drawing characters (U+2500 .. U+259F) by a	269	by replacing all line-drawing characters (U+2500 .. U+259F) by a
91	similar-looking ascii character.	270	similar-looking ascii character.
92		271
		272	=item digital-clock
		273
		274	Displays a digital clock using the built-in overlay.
		275
		276	=item remote-clipboard
		277
		278	Somewhat of a misnomer, this extension adds two menu entries to the
		279	selection popup that allows one ti run external commands to store the
		280	selection somewhere and fetch it again.
		281
		282	We use it to implement a "distributed selection mechanism", which just
		283	means that one command uploads the file to a remote server, and another
		284	reads it.
		285
		286	The commands can be set using the C<URxvt.remote-selection.store> and
		287	C<URxvt.remote-selection.fetch> resources. The first should read the
		288	selection to store from STDIN (always in UTF-8), the second should provide
		289	the selection data on STDOUT (also in UTF-8).
		290
		291	The defaults (which are likely useless to you) use rsh and cat:
		292
		293	URxvt.remote-selection.store: rsh ruth 'cat >/tmp/distributed-selection'
		294	URxvt.remote-selection.fetch: rsh ruth 'cat /tmp/distributed-selection'
		295
		296	=item selection-pastebin
		297
		298	This is a little rarely useful extension that Uploads the selection as
		299	textfile to a remote site (or does other things). (The implementation is
		300	not currently secure for use in a multiuser environment as it writes to
		301	F</tmp> directly.).
		302
		303	It listens to the C<selection-pastebin:remote-pastebin> keyboard command,
		304	i.e.
		305
		306	URxvt.keysym.C-M-e: perl:selection-pastebin:remote-pastebin
		307
		308	Pressing this combination runs a command with C<%> replaced by the name of
		309	the textfile. This command can be set via a resource:
		310
		311	URxvt.selection-pastebin.cmd: rsync -apP % ruth:/var/www/www.ta-sa.org/files/txt/.
		312
		313	And the default is likely not useful to anybody but the few people around
		314	here :)
		315
		316	The name of the textfile is the hex encoded md5 sum of the selection, so
		317	the same content should lead to the same filename.
		318
		319	After a successful upload the selection will be replaced by the text given
		320	in the C<selection-pastebin-url> resource (again, the % is the placeholder
		321	for the filename):
		322
		323	URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/%
		324
93	=item example-refresh-hooks	325	=item example-refresh-hooks
94		326
95	Displays a very simple digital clock in the upper right corner of the	327	Displays a very simple digital clock in the upper right corner of the
96	window. Illustrates overwriting the refresh callbacks to create your own	328	window. Illustrates overwriting the refresh callbacks to create your own
97	overlays or changes.	329	overlays or changes.
98		330
99	=back	331	=back
		332
		333	=head1 API DOCUMENTATION
100		334
101	=head2 General API Considerations	335	=head2 General API Considerations
102		336
103	All objects (such as terminals, time watchers etc.) are typical	337	All objects (such as terminals, time watchers etc.) are typical
104	reference-to-hash objects. The hash can be used to store anything you	338	reference-to-hash objects. The hash can be used to store anything you
…		…
117	=over 4	351	=over 4
118		352
119	=item $text	353	=item $text
120		354
121	Rxvt-unicodes special way of encoding text, where one "unicode" character	355	Rxvt-unicodes special way of encoding text, where one "unicode" character
122	always represents one screen cell. See L<row_t> for a discussion of this format.	356	always represents one screen cell. See L<ROW_t> for a discussion of this format.
123		357
124	=item $string	358	=item $string
125		359
126	A perl text string, with an emphasis on I<text>. It can store all unicode	360	A perl text string, with an emphasis on I<text>. It can store all unicode
127	characters and is to be distinguished with text encoded in a specific	361	characters and is to be distinguished with text encoded in a specific
…		…
173	called whenever the relevant event happens.	407	called whenever the relevant event happens.
174		408
175	The first argument passed to them is an extension oject as described in	409	The first argument passed to them is an extension oject as described in
176	the in the C<Extension Objects> section.	410	the in the C<Extension Objects> section.
177		411
178	B<All> of these hooks must return a boolean value. If it is true, then the	412	B<All> of these hooks must return a boolean value. If any of the called
179	event counts as being I<consumed>, and the invocation of other hooks is	413	hooks returns true, then the event counts as being I<consumed>, and the
180	skipped, and the relevant action might not be carried out by the C++ code.	414	relevant action might not be carried out by the C++ code.
181		415
182	I<< When in doubt, return a false value (preferably C<()>). >>	416	I<< When in doubt, return a false value (preferably C<()>). >>
183		417
184	=over 4	418	=over 4
185		419
186	=item on_init $term	420	=item on_init $term
187		421
188	Called after a new terminal object has been initialized, but before	422	Called after a new terminal object has been initialized, but before
189	windows are created or the command gets run. Most methods are unsafe to	423	windows are created or the command gets run. Most methods are unsafe to
190	call or deliver senseless data, as terminal size and other characteristics	424	call or deliver senseless data, as terminal size and other characteristics
191	have not yet been determined. You can safely query and change resources,	425	have not yet been determined. You can safely query and change resources
192	though.	426	and options, though. For many purposes the C<on_start> hook is a better
		427	place.
		428
		429	=item on_start $term
		430
		431	Called at the very end of initialisation of a new terminal, just before
		432	trying to map (display) the toplevel and returning to the mainloop.
		433
		434	=item on_destroy $term
		435
		436	Called whenever something tries to destroy terminal, when the terminal is
		437	still fully functional (not for long, though).
193		438
194	=item on_reset $term	439	=item on_reset $term
195		440
196	Called after the screen is "reset" for any reason, such as resizing or	441	Called after the screen is "reset" for any reason, such as resizing or
197	control sequences. Here is where you can react on changes to size-related	442	control sequences. Here is where you can react on changes to size-related
198	variables.	443	variables.
199		444
200	=item on_start $term	445	=item on_child_start $term, $pid
201		446
202	Called at the very end of initialisation of a new terminal, just before	447	Called just after the child process has been C<fork>ed.
203	returning to the mainloop.	448
		449	=item on_child_exit $term, $status
		450
		451	Called just after the child process has exited. C<$status> is the status
		452	from C<waitpid>.
204		453
205	=item on_sel_make $term, $eventtime	454	=item on_sel_make $term, $eventtime
206		455
207	Called whenever a selection has been made by the user, but before the	456	Called whenever a selection has been made by the user, but before the
208	selection text is copied, so changes to the beginning, end or type of the	457	selection text is copied, so changes to the beginning, end or type of the
…		…
222	=item on_sel_extend $term	471	=item on_sel_extend $term
223		472
224	Called whenever the user tries to extend the selection (e.g. with a double	473	Called whenever the user tries to extend the selection (e.g. with a double
225	click) and is either supposed to return false (normal operation), or	474	click) and is either supposed to return false (normal operation), or
226	should extend the selection itelf and return true to suppress the built-in	475	should extend the selection itelf and return true to suppress the built-in
227	processing.	476	processing. This can happen multiple times, as long as the callback
		477	returns true, it will be called on every further click by the user and is
		478	supposed to enlarge the selection more and more, if possible.
228		479
229	See the F<selection> example extension.	480	See the F<selection> example extension.
230		481
231	=item on_view_change $term, $offset	482	=item on_view_change $term, $offset
232		483
…		…
263	can filter/change and output the text yourself by returning a true value	514	can filter/change and output the text yourself by returning a true value
264	and calling C<< $term->scr_add_lines >> yourself. Please note that this	515	and calling C<< $term->scr_add_lines >> yourself. Please note that this
265	might be very slow, however, as your hook is called for B<all> text being	516	might be very slow, however, as your hook is called for B<all> text being
266	output.	517	output.
267		518
		519	=item on_tt_write $term, $octets
		520
		521	Called whenever some data is written to the tty/pty and can be used to
		522	suppress or filter tty input.
		523
268	=item on_line_update $term, $row	524	=item on_line_update $term, $row
269		525
270	Called whenever a line was updated or changed. Can be used to filter	526	Called whenever a line was updated or changed. Can be used to filter
271	screen output (e.g. underline urls or other useless stuff). Only lines	527	screen output (e.g. underline urls or other useless stuff). Only lines
272	that are being shown will be filtered, and, due to performance reasons,	528	that are being shown will be filtered, and, due to performance reasons,
…		…
288		544
289	=item on_refresh_end $term	545	=item on_refresh_end $term
290		546
291	Called just after the screen gets redrawn. See C<on_refresh_begin>.	547	Called just after the screen gets redrawn. See C<on_refresh_begin>.
292		548
293	=item on_keyboard_command $term, $string	549	=item on_user_command $term, $string
294		550
295	Called whenever the user presses a key combination that has a	551	Called whenever the a user-configured event is being activated (e.g. via
296	C<perl:string> action bound to it (see description of the B<keysym>	552	a C<perl:string> action bound to a key, see description of the B<keysym>
297	resource in the @@RXVT_NAME@@(1) manpage).	553	resource in the @@RXVT_NAME@@(1) manpage).
		554
		555	The event is simply the action string. This interface is assumed to change
		556	slightly in the future.
		557
		558	=item on_x_event $term, $event
		559
		560	Called on every X event received on the vt window (and possibly other
		561	windows). Should only be used as a last resort. Most event structure
		562	members are not passed.
298		563
299	=item on_focus_in $term	564	=item on_focus_in $term
300		565
301	Called whenever the window gets the keyboard focus, before rxvt-unicode	566	Called whenever the window gets the keyboard focus, before rxvt-unicode
302	does focus in processing.	567	does focus in processing.
…		…
304	=item on_focus_out $term	569	=item on_focus_out $term
305		570
306	Called wheneever the window loses keyboard focus, before rxvt-unicode does	571	Called wheneever the window loses keyboard focus, before rxvt-unicode does
307	focus out processing.	572	focus out processing.
308		573
		574	=item on_configure_notify $term, $event
		575
		576	=item on_property_notify $term, $event
		577
309	=item on_key_press $term, $event, $keysym, $octets	578	=item on_key_press $term, $event, $keysym, $octets
310		579
311	=item on_key_release $term, $event, $keysym	580	=item on_key_release $term, $event, $keysym
312		581
313	=item on_button_press $term, $event	582	=item on_button_press $term, $event
…		…
322		591
323	Called whenever the corresponding X event is received for the terminal If	592	Called whenever the corresponding X event is received for the terminal If
324	the hook returns true, then the even will be ignored by rxvt-unicode.	593	the hook returns true, then the even will be ignored by rxvt-unicode.
325		594
326	The event is a hash with most values as named by Xlib (see the XEvent	595	The event is a hash with most values as named by Xlib (see the XEvent
327	manpage), with the additional members C<row> and C<col>, which are the row	596	manpage), with the additional members C<row> and C<col>, which are the
328	and column under the mouse cursor.	597	(real, not screen-based) row and column under the mouse cursor.
329		598
330	C<on_key_press> additionally receives the string rxvt-unicode would	599	C<on_key_press> additionally receives the string rxvt-unicode would
331	output, if any, in locale-specific encoding.	600	output, if any, in locale-specific encoding.
332		601
333	subwindow.	602	subwindow.
334		603
335	=back	604	=item on_client_message $term, $event
336		605
337	=head2 Variables in the C<urxvt> Package	606	=item on_wm_protocols $term, $event
338		607
339	=over 4	608	=item on_wm_delete_window $term, $event
340		609
341	=item $urxvt::TERM	610	Called when various types of ClientMessage events are received (all with
342		611	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
343	The current terminal. This variable stores the current C<urxvt::term>
344	object, whenever a callback/hook is executing.
345
346	=back
347
348	=head2 Functions in the C<urxvt> Package
349
350	=over 4
351
352	=item $term = new urxvt [arg...]
353
354	Creates a new terminal, very similar as if you had started it with
355	C<system $binfile, arg...>. Croaks (and probably outputs an error message)
356	if the new instance couldn't be created. Returns C<undef> if the new
357	instance didn't initialise perl, and the terminal object otherwise. The
358	C<init> and C<start> hooks will be called during the call.
359
360	=item urxvt::fatal $errormessage
361
362	Fatally aborts execution with the given error message. Avoid at all
363	costs! The only time this is acceptable is when the terminal process
364	starts up.
365
366	=item urxvt::warn $string
367
368	Calls C<rxvt_warn> with the given string which should not include a
369	newline. The module also overwrites the C<warn> builtin with a function
370	that calls this function.
371
372	Using this function has the advantage that its output ends up in the
373	correct place, e.g. on stderr of the connecting urxvtc client.
374
375	=item $is_safe = urxvt::safe
376
377	Returns true when it is safe to do potentially unsafe things, such as
378	evaluating perl code specified by the user. This is true when urxvt was
379	started setuid or setgid.
380
381	=item $time = urxvt::NOW
382
383	Returns the "current time" (as per the event loop).
384
385	=item urxvt::CurrentTime
386
387	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
388	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
389	Button4Mask, Button5Mask, AnyModifier
390
391	Various constants for use in X calls and event processing.
392
393	=back
394
395	=head2 RENDITION
396
397	Rendition bitsets contain information about colour, font, font styles and
398	similar information for each screen cell.
399
400	The following "macros" deal with changes in rendition sets. You should
401	never just create a bitset, you should always modify an existing one,
402	as they contain important information required for correct operation of
403	rxvt-unicode.
404
405	=over 4
406
407	=item $rend = urxvt::DEFAULT_RSTYLE
408
409	Returns the default rendition, as used when the terminal is starting up or
410	being reset. Useful as a base to start when creating renditions.
411
412	=item $rend = urxvt::OVERLAY_RSTYLE
413
414	Return the rendition mask used for overlays by default.
415
416	=item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline
417
418	Return the bit that enabled bold, italic, blink, reverse-video and
419	underline, respectively. To enable such a style, just logically OR it into
420	the bitset.
421
422	=item $foreground = urxvt::GET_BASEFG $rend
423
424	=item $background = urxvt::GET_BASEBG $rend
425
426	Return the foreground/background colour index, respectively.
427
428	=item $rend = urxvt::SET_FGCOLOR ($rend, $new_colour)
429
430	=item $rend = urxvt::SET_BGCOLOR ($rend, $new_colour)
431
432	Replace the foreground/background colour in the rendition mask with the
433	specified one.
434
435	=item $value = urxvt::GET_CUSTOM ($rend)
436
437	Return the "custom" value: Every rendition has 5 bits for use by
438	extensions. They can be set and changed as you like and are initially
439	zero.
440
441	=item $rend = urxvt::SET_CUSTOM ($rend, $new_value)
442
443	Change the custom value.
444		612
445	=back	613	=back
446		614
447	=cut	615	=cut
448		616
…		…
454	use Scalar::Util ();	622	use Scalar::Util ();
455	use List::Util ();	623	use List::Util ();
456		624
457	our $VERSION = 1;	625	our $VERSION = 1;
458	our $TERM;	626	our $TERM;
		627	our @TERM_INIT;
		628	our @TERM_EXT;
459	our @HOOKNAME;	629	our @HOOKNAME;
460	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;	630	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
461	our %OPTION;	631	our %OPTION;
		632
462	our $LIBDIR;	633	our $LIBDIR;
		634	our $RESNAME;
		635	our $RESCLASS;
		636	our $RXVTNAME;
		637
		638	our $NOCHAR = chr 0xffff;
		639
		640	=head2 Variables in the C<urxvt> Package
		641
		642	=over 4
		643
		644	=item $urxvt::LIBDIR
		645
		646	The rxvt-unicode library directory, where, among other things, the perl
		647	modules and scripts are stored.
		648
		649	=item $urxvt::RESCLASS, $urxvt::RESCLASS
		650
		651	The resource class and name rxvt-unicode uses to look up X resources.
		652
		653	=item $urxvt::RXVTNAME
		654
		655	The basename of the installed binaries, usually C<urxvt>.
		656
		657	=item $urxvt::TERM
		658
		659	The current terminal. This variable stores the current C<urxvt::term>
		660	object, whenever a callback/hook is executing.
		661
		662	=item @urxvt::TERM_INIT
		663
		664	All coderefs in this array will be called as methods of the next newly
		665	created C<urxvt::term> object (during the C<on_init> phase). The array
		666	gets cleared before the codereferences that were in it are being executed,
		667	so coderefs can push themselves onto it again if they so desire.
		668
		669	This complements to the perl-eval commandline option, but gets executed
		670	first.
		671
		672	=item @urxvt::TERM_EXT
		673
		674	Works similar to C<@TERM_INIT>, but contains perl package/class names, which
		675	get registered as normal extensions after calling the hooks in C<@TERM_INIT>
		676	but before other extensions. Gets cleared just like C<@TERM_INIT>.
		677
		678	=back
		679
		680	=head2 Functions in the C<urxvt> Package
		681
		682	=over 4
		683
		684	=item urxvt::fatal $errormessage
		685
		686	Fatally aborts execution with the given error message. Avoid at all
		687	costs! The only time this is acceptable is when the terminal process
		688	starts up.
		689
		690	=item urxvt::warn $string
		691
		692	Calls C<rxvt_warn> with the given string which should not include a
		693	newline. The module also overwrites the C<warn> builtin with a function
		694	that calls this function.
		695
		696	Using this function has the advantage that its output ends up in the
		697	correct place, e.g. on stderr of the connecting urxvtc client.
		698
		699	Messages have a size limit of 1023 bytes currently.
		700
		701	=item @terms = urxvt::termlist
		702
		703	Returns all urxvt::term objects that exist in this process, regardless of
		704	wether they are started, being destroyed etc., so be careful. Only term
		705	objects that have perl extensions attached will be returned (because there
		706	is no urxvt::term objet associated with others).
		707
		708	=item $time = urxvt::NOW
		709
		710	Returns the "current time" (as per the event loop).
		711
		712	=item urxvt::CurrentTime
		713
		714	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
		715	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
		716	Button4Mask, Button5Mask, AnyModifier
		717
		718	=item urxvt::NoEventMask, KeyPressMask, KeyReleaseMask,
		719	ButtonPressMask, ButtonReleaseMask, EnterWindowMask, LeaveWindowMask,
		720	PointerMotionMask, PointerMotionHintMask, Button1MotionMask, Button2MotionMask,
		721	Button3MotionMask, Button4MotionMask, Button5MotionMask, ButtonMotionMask,
		722	KeymapStateMask, ExposureMask, VisibilityChangeMask, StructureNotifyMask,
		723	ResizeRedirectMask, SubstructureNotifyMask, SubstructureRedirectMask,
		724	FocusChangeMask, PropertyChangeMask, ColormapChangeMask, OwnerGrabButtonMask
		725
		726	=item urxvt::KeyPress, KeyRelease, ButtonPress, ButtonRelease, MotionNotify,
		727	EnterNotify, LeaveNotify, FocusIn, FocusOut, KeymapNotify, Expose,
		728	GraphicsExpose, NoExpose, VisibilityNotify, CreateNotify, DestroyNotify,
		729	UnmapNotify, MapNotify, MapRequest, ReparentNotify, ConfigureNotify,
		730	ConfigureRequest, GravityNotify, ResizeRequest, CirculateNotify,
		731	CirculateRequest, PropertyNotify, SelectionClear, SelectionRequest,
		732	SelectionNotify, ColormapNotify, ClientMessage, MappingNotify
		733
		734	Various constants for use in X calls and event processing.
		735
		736	=back
		737
		738	=head2 RENDITION
		739
		740	Rendition bitsets contain information about colour, font, font styles and
		741	similar information for each screen cell.
		742
		743	The following "macros" deal with changes in rendition sets. You should
		744	never just create a bitset, you should always modify an existing one,
		745	as they contain important information required for correct operation of
		746	rxvt-unicode.
		747
		748	=over 4
		749
		750	=item $rend = urxvt::DEFAULT_RSTYLE
		751
		752	Returns the default rendition, as used when the terminal is starting up or
		753	being reset. Useful as a base to start when creating renditions.
		754
		755	=item $rend = urxvt::OVERLAY_RSTYLE
		756
		757	Return the rendition mask used for overlays by default.
		758
		759	=item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline
		760
		761	Return the bit that enabled bold, italic, blink, reverse-video and
		762	underline, respectively. To enable such a style, just logically OR it into
		763	the bitset.
		764
		765	=item $foreground = urxvt::GET_BASEFG $rend
		766
		767	=item $background = urxvt::GET_BASEBG $rend
		768
		769	Return the foreground/background colour index, respectively.
		770
		771	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour
		772
		773	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour
		774
		775	=item $rend = urxvt::SET_COLOR $rend, $new_fg, $new_bg
		776
		777	Replace the foreground/background colour in the rendition mask with the
		778	specified one.
		779
		780	=item $value = urxvt::GET_CUSTOM $rend
		781
		782	Return the "custom" value: Every rendition has 5 bits for use by
		783	extensions. They can be set and changed as you like and are initially
		784	zero.
		785
		786	=item $rend = urxvt::SET_CUSTOM $rend, $new_value
		787
		788	Change the custom value.
		789
		790	=back
		791
		792	=cut
463		793
464	BEGIN {	794	BEGIN {
465	urxvt->bootstrap;
466
467	# overwrite perl's warn	795	# overwrite perl's warn
468	*CORE::GLOBAL::warn = sub {	796	*CORE::GLOBAL::warn = sub {
469	my $msg = join "", @_;	797	my $msg = join "", @_;
470	$msg .= "\n"	798	$msg .= "\n"
471	unless $msg =~ /\n$/;	799	unless $msg =~ /\n$/;
472	urxvt::warn ($msg);	800	urxvt::warn ($msg);
473	};	801	};
474
475	delete $ENV{IFS};
476	delete $ENV{CDPATH};
477	delete $ENV{BASH_ENV};
478	$ENV{PATH} = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin:/opt/sbin";
479	}	802	}
480		803
481	my @hook_count;	804	no warnings 'utf8';
		805
482	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};	806	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
483		807
484	sub verbose {	808	sub verbose {
485	my ($level, $msg) = @_;	809	my ($level, $msg) = @_;
486	warn "$msg\n" if $level <= $verbosity;	810	warn "$msg\n" if $level <= $verbosity;
487	}	811	}
488		812
489	my $extension_pkg = "extension0000";
490	my %extension_pkg;	813	my %extension_pkg;
491		814
492	# load a single script into its own package, once only	815	# load a single script into its own package, once only
493	sub extension_package($) {	816	sub extension_package($) {
494	my ($path) = @_;	817	my ($path) = @_;
495		818
496	$extension_pkg{$path} ||= do {	819	$extension_pkg{$path} ||= do {
497	my $pkg = "urxvt::" . ($extension_pkg++);	820	$path =~ /([^\/\\]+)$/;
		821	my $pkg = $1;
		822	$pkg =~ s/[^[:word:]]/_/g;
		823	$pkg = "urxvt::ext::$pkg";
498		824
499	verbose 3, "loading extension '$path' into package '$pkg'";	825	verbose 3, "loading extension '$path' into package '$pkg'";
500		826
501	open my $fh, "<:raw", $path	827	open my $fh, "<:raw", $path
502	or die "$path: $!";	828	or die "$path: $!";
503		829
504	my $source = untaint	830	my $source =
505	"package $pkg; use strict; use utf8;\n"	831	"package $pkg; use strict; use utf8; no warnings 'utf8';\n"
506	. "use base urxvt::term::proxy::;\n"
507	. "#line 1 \"$path\"\n{\n"	832	. "#line 1 \"$path\"\n{\n"
508	. (do { local $/; <$fh> })	833	. (do { local $/; <$fh> })
509	. "\n};\n1";	834	. "\n};\n1";
510		835
511	eval $source	836	eval $source
…		…
525	if ($htype == 0) { # INIT	850	if ($htype == 0) { # INIT
526	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");	851	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
527		852
528	my %ext_arg;	853	my %ext_arg;
529		854
		855	{
		856	my @init = @TERM_INIT;
		857	@TERM_INIT = ();
		858	$_->($TERM) for @init;
		859	my @pkg = @TERM_EXT;
		860	@TERM_EXT = ();
		861	$TERM->register_package ($_) for @pkg;
		862	}
		863
530	for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {	864	for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
531	if ($_ eq "default") {	865	if ($_ eq "default") {
532	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback);	866	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline);
533	} elsif (/^-(.*)$/) {	867	} elsif (/^-(.*)$/) {
534	delete $ext_arg{$1};	868	delete $ext_arg{$1};
535	} elsif (/^([^<]+)<(.*)>$/) {	869	} elsif (/^([^<]+)<(.*)>$/) {
536	push @{ $ext_arg{$1} }, $2;	870	push @{ $ext_arg{$1} }, $2;
537	} else {	871	} else {
538	$ext_arg{$_} ||= [];	872	$ext_arg{$_} ||= [];
539	}	873	}
540	}	874	}
541		875
542	while (my ($ext, $argv) = each %ext_arg) {	876	for my $ext (sort keys %ext_arg) {
543	my @files = grep -f $_, map "$_/$ext", @dirs;	877	my @files = grep -f $_, map "$_/$ext", @dirs;
544		878
545	if (@files) {	879	if (@files) {
546	$TERM->register_package (extension_package $files[0], $argv);	880	$TERM->register_package (extension_package $files[0], $ext_arg{$ext});
547	} else {	881	} else {
548	warn "perl extension '$ext' not found in perl library search path\n";	882	warn "perl extension '$ext' not found in perl library search path\n";
549	}	883	}
550	}	884	}
551		885
…		…
560	if $verbosity >= 10;	894	if $verbosity >= 10;
561		895
562	keys %$cb;	896	keys %$cb;
563		897
564	while (my ($pkg, $cb) = each %$cb) {	898	while (my ($pkg, $cb) = each %$cb) {
565	$retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) }	899	my $retval_ = eval { $cb->($TERM->{_pkg}{$pkg}, @_) };
566	and last;	900	$retval ||= $retval_;
567		901
568	if ($@) {	902	if ($@) {
569	$TERM->ungrab; # better to lose the grab than the session	903	$TERM->ungrab; # better to lose the grab than the session
570	warn $@;	904	warn $@;
571	}	905	}
572	}	906	}
		907
		908	verbose 11, "$HOOKNAME[$htype] returning <$retval>"
		909	if $verbosity >= 11;
573	}	910	}
574		911
575	if ($htype == 1) { # DESTROY	912	if ($htype == 1) { # DESTROY
576	if (my $hook = delete $TERM->{_hook}) {
577	for my $htype (0..$#$hook) {
578	$hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
579	or set_should_invoke $htype, 0;
580	}
581	}
582
583	# clear package objects	913	# clear package objects
584	%$_ = () for values %{ $TERM->{_pkg} };	914	%$_ = () for values %{ $TERM->{_pkg} };
585		915
586	# clear package	916	# clear package
587	%$TERM = ();	917	%$TERM = ();
588	}	918	}
589		919
590	$retval	920	$retval
591	}	921	}
592		922
593	# urxvt::term::proxy	923	sub SET_COLOR($$$) {
		924	SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
		925	}
594		926
		927	# urxvt::term::extension
		928
595	package urxvt::term::proxy;	929	package urxvt::term::extension;
596		930
597	sub enable {	931	sub enable {
598	my ($self, %hook) = @_;	932	my ($self, %hook) = @_;
599	my $pkg = $self->{_pkg};	933	my $pkg = $self->{_pkg};
600		934
601	while (my ($name, $cb) = each %hook) {	935	while (my ($name, $cb) = each %hook) {
602	my $htype = $HOOKTYPE{uc $name};	936	my $htype = $HOOKTYPE{uc $name};
603	defined $htype	937	defined $htype
604	or Carp::croak "unsupported hook type '$name'";	938	or Carp::croak "unsupported hook type '$name'";
605		939
		940	$self->set_should_invoke ($htype, +1)
606	unless (exists $self->{term}{_hook}[$htype]{$pkg}) {	941	unless exists $self->{term}{_hook}[$htype]{$pkg};
607	$hook_count[$htype]++
608	or urxvt::set_should_invoke $htype, 1;
609	}
610		942
611	$self->{term}{_hook}[$htype]{$pkg} = $cb;	943	$self->{term}{_hook}[$htype]{$pkg} = $cb;
612	}	944	}
613	}	945	}
614		946
…		…
619	for my $name (@hook) {	951	for my $name (@hook) {
620	my $htype = $HOOKTYPE{uc $name};	952	my $htype = $HOOKTYPE{uc $name};
621	defined $htype	953	defined $htype
622	or Carp::croak "unsupported hook type '$name'";	954	or Carp::croak "unsupported hook type '$name'";
623		955
		956	$self->set_should_invoke ($htype, -1)
624	if (delete $self->{term}{_hook}[$htype]{$pkg}) {	957	if delete $self->{term}{_hook}[$htype]{$pkg};
625	--$hook_count[$htype]
626	or urxvt::set_should_invoke $htype, 0;
627	}
628	}	958	}
629	}	959	}
630		960
631	our $AUTOLOAD;	961	our $AUTOLOAD;
632		962
…		…
663		993
664	=head2 The C<urxvt::anyevent> Class	994	=head2 The C<urxvt::anyevent> Class
665		995
666	The sole purpose of this class is to deliver an interface to the	996	The sole purpose of this class is to deliver an interface to the
667	C<AnyEvent> module - any module using it will work inside urxvt without	997	C<AnyEvent> module - any module using it will work inside urxvt without
668	further work. The only exception is that you cannot wait on condition	998	further programming. The only exception is that you cannot wait on
669	variables, but non-blocking condvar use is ok. What this means is that you	999	condition variables, but non-blocking condvar use is ok. What this means
670	cannot use blocking APIs, but the non-blocking variant should work.	1000	is that you cannot use blocking APIs, but the non-blocking variant should
		1001	work.
671		1002
672	=cut	1003	=cut
673		1004
674	our $VERSION = 1;	1005	our $VERSION = 1;
675		1006
…		…
737	# find on_xxx subs in the package and register them	1068	# find on_xxx subs in the package and register them
738	# as hooks	1069	# as hooks
739	sub register_package {	1070	sub register_package {
740	my ($self, $pkg, $argv) = @_;	1071	my ($self, $pkg, $argv) = @_;
741		1072
		1073	no strict 'refs';
		1074
		1075	urxvt::verbose 6, "register package $pkg to $self";
		1076
		1077	@{"$pkg\::ISA"} = urxvt::term::extension::;
		1078
742	my $proxy = bless {	1079	my $proxy = bless {
743	_pkg => $pkg,	1080	_pkg => $pkg,
744	argv => $argv,	1081	argv => $argv,
745	}, $pkg;	1082	}, $pkg;
746	Scalar::Util::weaken ($proxy->{term} = $self);	1083	Scalar::Util::weaken ($proxy->{term} = $self);
…		…
752	$proxy->enable ($name => $ref);	1089	$proxy->enable ($name => $ref);
753	}	1090	}
754	}	1091	}
755	}	1092	}
756		1093
		1094	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
		1095
		1096	Creates a new terminal, very similar as if you had started it with system
		1097	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
		1098	hash which defines the environment of the new terminal.
		1099
		1100	Croaks (and probably outputs an error message) if the new instance
		1101	couldn't be created. Returns C<undef> if the new instance didn't
		1102	initialise perl, and the terminal object otherwise. The C<init> and
		1103	C<start> hooks will be called before this call returns, and are free to
		1104	refer to global data (which is race free).
		1105
		1106	=cut
		1107
		1108	sub new {
		1109	my ($class, $env, @args) = @_;
		1110
		1111	$env or Carp::croak "environment hash missing in call to urxvt::term->new";
		1112	@args or Carp::croak "name argument missing in call to urxvt::term->new";
		1113
		1114	_new ([ map "$_=$env->{$_}", keys %$env ], \@args);
		1115	}
		1116
757	=item $term->destroy	1117	=item $term->destroy
758		1118
759	Destroy the terminal object (close the window, free resources etc.).	1119	Destroy the terminal object (close the window, free resources
		1120	etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event
		1121	watchers (timers, io watchers) are still active.
		1122
		1123	=item $term->exec_async ($cmd[, @args])
		1124
		1125	Works like the combination of the C<fork>/C<exec> builtins, which executes
		1126	("starts") programs in the background. This function takes care of setting
		1127	the user environment before exec'ing the command (e.g. C<PATH>) and should
		1128	be preferred over explicit calls to C<exec> or C<system>.
		1129
		1130	Returns the pid of the subprocess or C<undef> on error.
		1131
		1132	=cut
		1133
		1134	sub exec_async {
		1135	my $self = shift;
		1136
		1137	my $pid = fork;
		1138
		1139	return $pid
		1140	if !defined $pid or $pid;
		1141
		1142	%ENV = %{ $self->env };
		1143
		1144	exec @_;
		1145	urxvt::_exit 255;
		1146	}
760		1147
761	=item $isset = $term->option ($optval[, $set])	1148	=item $isset = $term->option ($optval[, $set])
762		1149
763	Returns true if the option specified by C<$optval> is enabled, and	1150	Returns true if the option specified by C<$optval> is enabled, and
764	optionally change it. All option values are stored by name in the hash	1151	optionally change it. All option values are stored by name in the hash
…		…
767	Here is a a likely non-exhaustive list of option names, please see the	1154	Here is a a likely non-exhaustive list of option names, please see the
768	source file F</src/optinc.h> to see the actual list:	1155	source file F</src/optinc.h> to see the actual list:
769		1156
770	borderLess console cursorBlink cursorUnderline hold iconic insecure	1157	borderLess console cursorBlink cursorUnderline hold iconic insecure
771	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage	1158	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage
772	pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating	1159	override-redirect pastableTabs pointerBlank reverseVideo scrollBar
773	scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer	1160	scrollBar_floating scrollBar_right scrollTtyKeypress scrollTtyOutput
774	secondaryScreen secondaryScroll skipBuiltinGlyphs transparent	1161	scrollWithBuffer secondaryScreen secondaryScroll skipBuiltinGlyphs
775	tripleclickwords utmpInhibit visualBell	1162	transparent tripleclickwords utmpInhibit visualBell
776		1163
777	=item $value = $term->resource ($name[, $newval])	1164	=item $value = $term->resource ($name[, $newval])
778		1165
779	Returns the current resource value associated with a given name and	1166	Returns the current resource value associated with a given name and
780	optionally sets a new value. Setting values is most useful in the C<init>	1167	optionally sets a new value. Setting values is most useful in the C<init>
…		…
797		1184
798	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont	1185	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
799	borderLess color cursorBlink cursorUnderline cutchars delete_key	1186	borderLess color cursorBlink cursorUnderline cutchars delete_key
800	display_name embed ext_bwidth fade font geometry hold iconName	1187	display_name embed ext_bwidth fade font geometry hold iconName
801	imFont imLocale inputMethod insecure int_bwidth intensityStyles	1188	imFont imLocale inputMethod insecure int_bwidth intensityStyles
802	italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier	1189	italicFont jumpScroll lineSpace loginShell mapAlert meta8 modifier
803	mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2	1190	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
804	perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd	1191	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
805	reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating	1192	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
806	scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput	1193	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
807	scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle	1194	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
808	shade term_name title transparent transparent_all tripleclickwords	1195	secondaryScreen secondaryScroll selectstyle shade term_name title
809	utmpInhibit visualBell	1196	transient_for transparent transparent_all tripleclickwords utmpInhibit
		1197	visualBell
810		1198
811	=cut	1199	=cut
812		1200
813	sub resource($$;$) {	1201	sub resource($$;$) {
814	my ($self, $name) = (shift, shift);	1202	my ($self, $name) = (shift, shift);
815	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);	1203	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
816	&urxvt::term::_resource	1204	&urxvt::term::_resource
817	}	1205	}
818		1206
		1207	=item $value = $term->x_resource ($pattern)
		1208
		1209	Returns the X-Resource for the given pattern, excluding the program or
		1210	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
		1211	same value as used by this instance of rxvt-unicode. Returns C<undef> if no
		1212	resource with that pattern exists.
		1213
		1214	This method should only be called during the C<on_start> hook, as there is
		1215	only one resource database per display, and later invocations might return
		1216	the wrong resources.
		1217
819	=item $success = $term->parse_keysym ($keysym_spec, $command_string)	1218	=item $success = $term->parse_keysym ($keysym_spec, $command_string)
820		1219
821	Adds a keymap translation exactly as specified via a resource. See the	1220	Adds a keymap translation exactly as specified via a resource. See the
822	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.	1221	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.
823		1222
…		…
838	=item ($row, $col) = $term->selection_end ([$row, $col])	1237	=item ($row, $col) = $term->selection_end ([$row, $col])
839		1238
840	Return the current values of the selection mark, begin or end positions,	1239	Return the current values of the selection mark, begin or end positions,
841	and optionally set them to new values.	1240	and optionally set them to new values.
842		1241
		1242	=item $term->selection_make ($eventtime[, $rectangular])
		1243
		1244	Tries to make a selection as set by C<selection_beg> and
		1245	C<selection_end>. If C<$rectangular> is true (default: false), a
		1246	rectangular selection will be made. This is the prefered function to make
		1247	a selection.
		1248
843	=item $success = $term->selection_grab ($eventtime)	1249	=item $success = $term->selection_grab ($eventtime)
844		1250
845	Try to request the primary selection from the server (for example, as set	1251	Try to request the primary selection text from the server (for example, as
846	by the next method).	1252	set by the next method). No visual feedback will be given. This function
		1253	is mostly useful from within C<on_sel_grab> hooks.
847		1254
848	=item $oldtext = $term->selection ([$newtext])	1255	=item $oldtext = $term->selection ([$newtext])
849		1256
850	Return the current selection text and optionally replace it by C<$newtext>.	1257	Return the current selection text and optionally replace it by C<$newtext>.
851		1258
…		…
941		1348
942	=item $string = $term->locale_decode ($octets)	1349	=item $string = $term->locale_decode ($octets)
943		1350
944	Convert the given locale-encoded octets into a perl string.	1351	Convert the given locale-encoded octets into a perl string.
945		1352
		1353	=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])
		1354
		1355	XORs the rendition values in the given span with the provided value
		1356	(default: C<RS_RVid>), which I<MUST NOT> contain font styles. Useful in
		1357	refresh hooks to provide effects similar to the selection.
		1358
		1359	=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])
		1360
		1361	Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing
		1362	whitespace will additionally be xored with the C<$rstyle2>, which defaults
		1363	to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines
		1364	it instead. Both styles I<MUST NOT> contain font styles.
		1365
946	=item $term->scr_bell	1366	=item $term->scr_bell
947		1367
948	Ring the bell!	1368	Ring the bell!
949		1369
950	=item $term->scr_add_lines ($string)	1370	=item $term->scr_add_lines ($string)
…		…
956		1376
957	Normally its not a good idea to use this function, as programs might be	1377	Normally its not a good idea to use this function, as programs might be
958	confused by changes in cursor position or scrolling. Its useful inside a	1378	confused by changes in cursor position or scrolling. Its useful inside a
959	C<on_add_lines> hook, though.	1379	C<on_add_lines> hook, though.
960		1380
		1381	=item $term->scr_change_screen ($screen)
		1382
		1383	Switch to given screen - 0 primary, 1 secondary.
		1384
961	=item $term->cmd_parse ($octets)	1385	=item $term->cmd_parse ($octets)
962		1386
963	Similar to C<scr_add_lines>, but the argument must be in the	1387	Similar to C<scr_add_lines>, but the argument must be in the
964	locale-specific encoding of the terminal and can contain command sequences	1388	locale-specific encoding of the terminal and can contain command sequences
965	(escape codes) that will be interpreted.	1389	(escape codes) that will be interpreted.
…		…
975	Replaces the event mask of the pty watcher by the given event mask. Can	1399	Replaces the event mask of the pty watcher by the given event mask. Can
976	be used to suppress input and output handling to the pty/tty. See the	1400	be used to suppress input and output handling to the pty/tty. See the
977	description of C<< urxvt::timer->events >>. Make sure to always restore	1401	description of C<< urxvt::timer->events >>. Make sure to always restore
978	the previous value.	1402	the previous value.
979		1403
		1404	=item $fd = $term->pty_fd
		1405
		1406	Returns the master file descriptor for the pty in use, or C<-1> if no pty
		1407	is used.
		1408
980	=item $windowid = $term->parent	1409	=item $windowid = $term->parent
981		1410
982	Return the window id of the toplevel window.	1411	Return the window id of the toplevel window.
983		1412
984	=item $windowid = $term->vt	1413	=item $windowid = $term->vt
985		1414
986	Return the window id of the terminal window.	1415	Return the window id of the terminal window.
987		1416
		1417	=item $term->vt_emask_add ($x_event_mask)
		1418
		1419	Adds the specified events to the vt event mask. Useful e.g. when you want
		1420	to receive pointer events all the times:
		1421
		1422	$term->vt_emask_add (urxvt::PointerMotionMask);
		1423
		1424	=item $term->focus_in
		1425
		1426	=item $term->focus_out
		1427
		1428	=item $term->key_press ($state, $keycode[, $time])
		1429
		1430	=item $term->key_release ($state, $keycode[, $time])
		1431
		1432	Deliver various fake events to to terminal.
		1433
988	=item $window_width = $term->width	1434	=item $window_width = $term->width
989		1435
990	=item $window_height = $term->height	1436	=item $window_height = $term->height
991		1437
992	=item $font_width = $term->fwidth	1438	=item $font_width = $term->fwidth
…		…
1005		1451
1006	=item $max_scrollback = $term->saveLines	1452	=item $max_scrollback = $term->saveLines
1007		1453
1008	=item $nrow_plus_saveLines = $term->total_rows	1454	=item $nrow_plus_saveLines = $term->total_rows
1009		1455
1010	=item $lines_in_scrollback = $term->nsaved	1456	=item $topmost_scrollback_row = $term->top_row
1011		1457
1012	Return various integers describing terminal characteristics.	1458	Return various integers describing terminal characteristics.
1013		1459
		1460	=item $x_display = $term->display_id
		1461
		1462	Return the DISPLAY used by rxvt-unicode.
		1463
1014	=item $lc_ctype = $term->locale	1464	=item $lc_ctype = $term->locale
1015		1465
1016	Returns the LC_CTYPE category string used by this rxvt-unicode.	1466	Returns the LC_CTYPE category string used by this rxvt-unicode.
1017		1467
1018	=item $x_display = $term->display_id	1468	=item $env = $term->env
1019		1469
1020	Return the DISPLAY used by rxvt-unicode.	1470	Returns a copy of the environment in effect for the terminal as a hashref
		1471	similar to C<\%ENV>.
		1472
		1473	=cut
		1474
		1475	sub env {
		1476	if (my $env = $_[0]->_env) {
		1477	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), @$env }
		1478	} else {
		1479	+{ %ENV }
		1480	}
		1481	}
1021		1482
1022	=item $modifiermask = $term->ModLevel3Mask	1483	=item $modifiermask = $term->ModLevel3Mask
1023		1484
1024	=item $modifiermask = $term->ModMetaMask	1485	=item $modifiermask = $term->ModMetaMask
1025		1486
1026	=item $modifiermask = $term->ModNumLockMask	1487	=item $modifiermask = $term->ModNumLockMask
1027		1488
1028	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often	1489	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
1029	AltGr), the meta key (often Alt) and the num lock key, if applicable.	1490	AltGr), the meta key (often Alt) and the num lock key, if applicable.
1030		1491
		1492	=item $screen = $term->current_screen
		1493
		1494	Returns the currently displayed screen (0 primary, 1 secondary).
		1495
		1496	=item $cursor_is_hidden = $term->hidden_cursor
		1497
		1498	Returns wether the cursor is currently hidden or not.
		1499
1031	=item $view_start = $term->view_start ([$newvalue])	1500	=item $view_start = $term->view_start ([$newvalue])
1032		1501
1033	Returns the negative row number of the topmost line. Minimum value is	1502	Returns the row number of the topmost displayed line. Maximum value is
1034	C<0>, which displays the normal terminal contents. Larger values scroll	1503	C<0>, which displays the normal terminal contents. Lower values scroll
1035	this many lines into the scrollback buffer.	1504	this many lines into the scrollback buffer.
1036		1505
1037	=item $term->want_refresh	1506	=item $term->want_refresh
1038		1507
1039	Requests a screen refresh. At the next opportunity, rxvt-unicode will	1508	Requests a screen refresh. At the next opportunity, rxvt-unicode will
…		…
1054	line, starting at column C<$start_col> (default C<0>), which is useful	1523	line, starting at column C<$start_col> (default C<0>), which is useful
1055	to replace only parts of a line. The font index in the rendition will	1524	to replace only parts of a line. The font index in the rendition will
1056	automatically be updated.	1525	automatically be updated.
1057		1526
1058	C<$text> is in a special encoding: tabs and wide characters that use more	1527	C<$text> is in a special encoding: tabs and wide characters that use more
1059	than one cell when displayed are padded with urxvt::NOCHAR characters	1528	than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
1060	(C<chr 65535>). Characters with combining characters and other characters	1529	characters. Characters with combining characters and other characters that
1061	that do not fit into the normal tetx encoding will be replaced with	1530	do not fit into the normal tetx encoding will be replaced with characters
1062	characters in the private use area.	1531	in the private use area.
1063		1532
1064	You have to obey this encoding when changing text. The advantage is	1533	You have to obey this encoding when changing text. The advantage is
1065	that C<substr> and similar functions work on screen cells and not on	1534	that C<substr> and similar functions work on screen cells and not on
1066	characters.	1535	characters.
1067		1536
…		…
1118	Return the row number of the first/last row of the line, respectively.	1587	Return the row number of the first/last row of the line, respectively.
1119		1588
1120	=item $offset = $line->offset_of ($row, $col)	1589	=item $offset = $line->offset_of ($row, $col)
1121		1590
1122	Returns the character offset of the given row|col pair within the logical	1591	Returns the character offset of the given row|col pair within the logical
1123	line.	1592	line. Works for rows outside the line, too, and returns corresponding
		1593	offsets outside the string.
1124		1594
1125	=item ($row, $col) = $line->coord_of ($offset)	1595	=item ($row, $col) = $line->coord_of ($offset)
1126		1596
1127	Translates a string offset into terminal coordinates again.	1597	Translates a string offset into terminal coordinates again.
1128		1598
…		…
1213	=item $string = $term->special_decode $text	1683	=item $string = $term->special_decode $text
1214		1684
1215	Converts rxvt-unicodes text reprsentation into a perl string. See	1685	Converts rxvt-unicodes text reprsentation into a perl string. See
1216	C<< $term->ROW_t >> for details.	1686	C<< $term->ROW_t >> for details.
1217		1687
1218	=item $success = $term->grab_button ($button, $modifiermask)	1688	=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
1219		1689
		1690	=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
		1691
1220	Registers a synchronous button grab. See the XGrabButton manpage.	1692	Register/unregister a synchronous button grab. See the XGrabButton
		1693	manpage.
1221		1694
1222	=item $success = $term->grab ($eventtime[, $sync])	1695	=item $success = $term->grab ($eventtime[, $sync])
1223		1696
1224	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or	1697	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1225	synchronous (C<$sync> is true). Also remembers the grab timestampe.	1698	synchronous (C<$sync> is true). Also remembers the grab timestampe.
…		…
1241		1714
1242	Calls XUngrab for the most recent grab. Is called automatically on	1715	Calls XUngrab for the most recent grab. Is called automatically on
1243	evaluation errors, as it is better to lose the grab in the error case as	1716	evaluation errors, as it is better to lose the grab in the error case as
1244	the session.	1717	the session.
1245		1718
		1719	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
		1720
		1721	=item $atom_name = $term->XGetAtomName ($atom)
		1722
		1723	=item @atoms = $term->XListProperties ($window)
		1724
		1725	=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
		1726
		1727	=item $term->XChangeWindowProperty ($window, $property, $type, $format, $octets)
		1728
		1729	=item $term->XDeleteProperty ($window, $property)
		1730
		1731	=item $window = $term->DefaultRootWindow
		1732
		1733	=item $term->XReparentWindow ($window, $parent, [$x, $y])
		1734
		1735	=item $term->XMapWindow ($window)
		1736
		1737	=item $term->XUnmapWindow ($window)
		1738
		1739	=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
		1740
		1741	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
		1742
		1743	=item $term->XChangeInput ($window, $add_events[, $del_events])
		1744
		1745	Various X or X-related functions. The C<$term> object only serves as
		1746	the source of the display, otherwise those functions map more-or-less
		1747	directory onto the X functions of the same name.
		1748
1246	=back	1749	=back
1247		1750
1248	=cut	1751	=cut
1249		1752
1250	package urxvt::popup;	1753	package urxvt::popup;
…		…
1264		1767
1265	$item->{render} ||= sub { $_[0]{text} };	1768	$item->{render} ||= sub { $_[0]{text} };
1266		1769
1267	push @{ $self->{item} }, $item;	1770	push @{ $self->{item} }, $item;
1268	}	1771	}
		1772
		1773	=item $popup->add_title ($title)
		1774
		1775	Adds a non-clickable title to the popup.
		1776
		1777	=cut
		1778
		1779	sub add_title {
		1780	my ($self, $title) = @_;
		1781
		1782	$self->add_item ({
		1783	rend => { normal => "\x1b[38;5;11;44m", hover => "\x1b[38;5;11;44m", active => "\x1b[38;5;11;44m" },
		1784	text => $title,
		1785	activate => sub { },
		1786	});
		1787	}
		1788
		1789	=item $popup->add_separator ([$sepchr])
		1790
		1791	Creates a separator, optionally using the character given as C<$sepchr>.
		1792
		1793	=cut
1269		1794
1270	sub add_separator {	1795	sub add_separator {
1271	my ($self, $sep) = @_;	1796	my ($self, $sep) = @_;
1272		1797
1273	$sep ||= "=";	1798	$sep ||= "=";
…		…
1278	render => sub { $sep x $self->{term}->ncol },	1803	render => sub { $sep x $self->{term}->ncol },
1279	activate => sub { },	1804	activate => sub { },
1280	});	1805	});
1281	}	1806	}
1282		1807
1283	sub add_title {	1808	=item $popup->add_button ($text, $cb)
1284	my ($self, $title) = @_;
1285		1809
1286	$self->add_item ({	1810	Adds a clickable button to the popup. C<$cb> is called whenever it is
1287	rend => { normal => "\x1b[38;5;11;44m", hover => "\x1b[38;5;11;44m", active => "\x1b[38;5;11;44m" },	1811	selected.
1288	text => $title,	1812
1289	activate => sub { },	1813	=cut
1290	});
1291	}
1292		1814
1293	sub add_button {	1815	sub add_button {
1294	my ($self, $text, $cb) = @_;	1816	my ($self, $text, $cb) = @_;
1295		1817
1296	$self->add_item ({ type => "button", text => $text, activate => $cb});	1818	$self->add_item ({ type => "button", text => $text, activate => $cb});
1297	}	1819	}
1298		1820
		1821	=item $popup->add_toggle ($text, $initial_value, $cb)
		1822
		1823	Adds a toggle/checkbox item to the popup. The callback gets called
		1824	whenever it gets toggled, with a boolean indicating its new value as its
		1825	first argument.
		1826
		1827	=cut
		1828
1299	sub add_toggle {	1829	sub add_toggle {
1300	my ($self, $text, $cb, $value) = @_;	1830	my ($self, $text, $value, $cb) = @_;
1301		1831
1302	my $item; $item = {	1832	my $item; $item = {
1303	type => "button",	1833	type => "button",
1304	text => " $text",	1834	text => " $text",
1305	value => $value,	1835	value => $value,
1306	render => sub { ($_[0]{value} ? "* " : " ") . $text },	1836	render => sub { ($_[0]{value} ? "* " : " ") . $text },
1307	activate => sub { $cb->($_[0]{value} = !$_[0]{value}); },	1837	activate => sub { $cb->($_[1]{value} = !$_[1]{value}); },
1308	};	1838	};
1309		1839
1310	$self->add_item ($item);	1840	$self->add_item ($item);
1311	}	1841	}
		1842
		1843	=item $popup->show
		1844
		1845	Displays the popup (which is initially hidden).
		1846
		1847	=cut
1312		1848
1313	sub show {	1849	sub show {
1314	my ($self) = @_;	1850	my ($self) = @_;
1315		1851
1316	local $urxvt::popup::self = $self;	1852	local $urxvt::popup::self = $self;
1317		1853
		1854	my $env = $self->{term}->env;
		1855	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
		1856	delete $env->{LC_ALL};
1318	local $ENV{LC_ALL} = $self->{term}->locale;	1857	$env->{LC_CTYPE} = $self->{term}->locale;
1319		1858
1320	urxvt->new ("--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0,	1859	urxvt::term->new ($env, "popup",
		1860	"--perl-lib" => "", "--perl-ext-common" => "",
		1861	"-pty-fd" => -1, "-sl" => 0,
		1862	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1321	"--transient-for" => $self->{term}->parent,	1863	"--transient-for" => $self->{term}->parent,
1322	"-display" => $self->{term}->display_id,	1864	"-display" => $self->{term}->display_id,
1323	"-pe" => "urxvt-popup")	1865	"-pe" => "urxvt-popup")
1324	or die "unable to create popup window\n";	1866	or die "unable to create popup window\n";
1325	}	1867	}
1326		1868
1327	sub DESTROY {	1869	sub DESTROY {
1328	my ($self) = @_;	1870	my ($self) = @_;
1329		1871
1330	delete $self->{term}{_destroy}{$self};	1872	delete $self->{term}{_destroy}{$self};
1331	$self->{term}->ungrab;	1873	$self->{term}->ungrab;
1332	}	1874	}
		1875
		1876	=back
		1877
		1878	=cut
		1879
		1880	package urxvt::watcher;
		1881
		1882	@urxvt::timer::ISA = __PACKAGE__;
		1883	@urxvt::iow::ISA = __PACKAGE__;
		1884	@urxvt::pw::ISA = __PACKAGE__;
		1885	@urxvt::iw::ISA = __PACKAGE__;
1333		1886
1334	=head2 The C<urxvt::timer> Class	1887	=head2 The C<urxvt::timer> Class
1335		1888
1336	This class implements timer watchers/events. Time is represented as a	1889	This class implements timer watchers/events. Time is represented as a
1337	fractional number of seconds since the epoch. Example:	1890	fractional number of seconds since the epoch. Example:
…		…
1375	Start the timer.	1928	Start the timer.
1376		1929
1377	=item $timer = $timer->start ($tstamp)	1930	=item $timer = $timer->start ($tstamp)
1378		1931
1379	Set the event trigger time to C<$tstamp> and start the timer.	1932	Set the event trigger time to C<$tstamp> and start the timer.
		1933
		1934	=item $timer = $timer->after ($delay)
		1935
		1936	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1380		1937
1381	=item $timer = $timer->stop	1938	=item $timer = $timer->stop
1382		1939
1383	Stop the timer.	1940	Stop the timer.
1384		1941
…		…
1431		1988
1432	Stop watching for events on the given filehandle.	1989	Stop watching for events on the given filehandle.
1433		1990
1434	=back	1991	=back
1435		1992
		1993	=head2 The C<urxvt::iw> Class
		1994
		1995	This class implements idle watchers, that get called automatically when
		1996	the process is idle. They should return as fast as possible, after doing
		1997	some useful work.
		1998
		1999	=over 4
		2000
		2001	=item $iw = new urxvt::iw
		2002
		2003	Create a new idle watcher object in stopped state.
		2004
		2005	=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
		2006
		2007	Set the callback to be called when the watcher triggers.
		2008
		2009	=item $timer = $timer->start
		2010
		2011	Start the watcher.
		2012
		2013	=item $timer = $timer->stop
		2014
		2015	Stop the watcher.
		2016
		2017	=back
		2018
		2019	=head2 The C<urxvt::pw> Class
		2020
		2021	This class implements process watchers. They create an event whenever a
		2022	process exits, after which they stop automatically.
		2023
		2024	my $pid = fork;
		2025	...
		2026	$term->{pw} = urxvt::pw
		2027	->new
		2028	->start ($pid)
		2029	->cb (sub {
		2030	my ($pw, $exit_status) = @_;
		2031	...
		2032	});
		2033
		2034	=over 4
		2035
		2036	=item $pw = new urxvt::pw
		2037
		2038	Create a new process watcher in stopped state.
		2039
		2040	=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
		2041
		2042	Set the callback to be called when the timer triggers.
		2043
		2044	=item $pw = $timer->start ($pid)
		2045
		2046	Tells the wqtcher to start watching for process C<$pid>.
		2047
		2048	=item $pw = $pw->stop
		2049
		2050	Stop the watcher.
		2051
		2052	=back
		2053
1436	=head1 ENVIRONMENT	2054	=head1 ENVIRONMENT
1437		2055
1438	=head2 URXVT_PERL_VERBOSITY	2056	=head2 URXVT_PERL_VERBOSITY
1439		2057
1440	This variable controls the verbosity level of the perl extension. Higher	2058	This variable controls the verbosity level of the perl extension. Higher
…		…
1444		2062
1445	=item == 0 - fatal messages	2063	=item == 0 - fatal messages
1446		2064
1447	=item >= 3 - script loading and management	2065	=item >= 3 - script loading and management
1448		2066
1449	=item >=10 - all events received	2067	=item >=10 - all called hooks
		2068
		2069	=item >=11 - hook reutrn values
1450		2070
1451	=back	2071	=back
1452		2072
1453	=head1 AUTHOR	2073	=head1 AUTHOR
1454		2074

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