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Revision 1.57 by root, Sun Jan 8 08:43:11 2006 UTC vs.
Revision 1.137 by root, Sat Mar 4 20:17:52 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
…		…
58		91
59	=back	92	=back
60		93
61	=item option-popup (enabled by default)	94	=item option-popup (enabled by default)
62		95
63	Binds a popup menu to Ctrl-Button3 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
66	=item digital-clock	99	Other extensions can extend this popup menu by pushing a code reference
		100	onto C<@{ $term->{option_popup_hook} }>, which gets called whenever the
		101	popup is being displayed.
67		102
68	Displays a digital clock using the built-in overlay.	103	It's sole argument is the popup menu, which can be modified. It should
		104	either return nothing or a string, the initial boolean value and a code
		105	reference. The string will be used as button text and the code reference
		106	will be called when the toggle changes, with the new boolean value as
		107	first argument.
		108
		109	The following will add an entry C<myoption> that changes
		110	C<$self->{myoption}>:
		111
		112	push @{ $self->{term}{option_popup_hook} }, sub {
		113	("my option" => $myoption, sub { $self->{myoption} = $_[0] })
		114	};
		115
		116	=item selection-popup (enabled by default)
		117
		118	Binds a popup menu to Ctrl-Button3 that lets you convert the selection
		119	text into various other formats/action (such as uri unescaping, perl
		120	evaluation, web-browser starting etc.), depending on content.
		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
		141	=item searchable-scrollback<hotkey> (enabled by default)
		142
		143	Adds regex search functionality to the scrollback buffer, triggered
		144	by a hotkey (default: C<M-s>). While in search mode, normal terminal
		145	input/output is suspended and a regex is displayed at the bottom of the
		146	screen.
		147
		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.
		155
		156	=item readline (enabled by default)
		157
		158	A support package that tries to make editing with readline easier. At
		159	the moment, it reacts to clicking shift-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.
69		238
70	=item mark-urls	239	=item mark-urls
71		240
72	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
73		265
74	=item block-graphics-to-ascii	266	=item block-graphics-to-ascii
75		267
76	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,
77	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
78	similar-looking ascii character.	270	similar-looking ascii character.
79		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
80	=item example-refresh-hooks	325	=item example-refresh-hooks
81		326
82	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
83	window. Illustrates overwriting the refresh callbacks to create your own	328	window. Illustrates overwriting the refresh callbacks to create your own
84	overlays or changes.	329	overlays or changes.
85		330
86	=back	331	=back
		332
		333	=head1 API DOCUMENTATION
87		334
88	=head2 General API Considerations	335	=head2 General API Considerations
89		336
90	All objects (such as terminals, time watchers etc.) are typical	337	All objects (such as terminals, time watchers etc.) are typical
91	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
…		…
104	=over 4	351	=over 4
105		352
106	=item $text	353	=item $text
107		354
108	Rxvt-unicodes special way of encoding text, where one "unicode" character	355	Rxvt-unicodes special way of encoding text, where one "unicode" character
109	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.
110		357
111	=item $string	358	=item $string
112		359
113	A perl text string, with an emphasis on I<text>. It can store all unicode	360	A perl text string, with an emphasis on I<text>. It can store all unicode
114	characters and is to be distinguished with text encoded in a specific	361	characters and is to be distinguished with text encoded in a specific
…		…
119	Either binary data or - more common - a text string encoded in a	366	Either binary data or - more common - a text string encoded in a
120	locale-specific way.	367	locale-specific way.
121		368
122	=back	369	=back
123		370
		371	=head2 Extension Objects
		372
		373	Very perl extension is a perl class. A separate perl object is created
		374	for each terminal and each extension and passed as the first parameter to
		375	hooks. So extensions can use their C<$self> object without having to think
		376	about other extensions, with the exception of methods and members that
		377	begin with an underscore character C<_>: these are reserved for internal
		378	use.
		379
		380	Although it isn't a C<urxvt::term> object, you can call all methods of the
		381	C<urxvt::term> class on this object.
		382
		383	It has the following methods and data members:
		384
		385	=over 4
		386
		387	=item $urxvt_term = $self->{term}
		388
		389	Returns the C<urxvt::term> object associated with this instance of the
		390	extension. This member I<must not> be changed in any way.
		391
		392	=item $self->enable ($hook_name => $cb, [$hook_name => $cb..])
		393
		394	Dynamically enable the given hooks (named without the C<on_> prefix) for
		395	this extension, replacing any previous hook. This is useful when you want
		396	to overwrite time-critical hooks only temporarily.
		397
		398	=item $self->disable ($hook_name[, $hook_name..])
		399
		400	Dynamically disable the given hooks.
		401
		402	=back
		403
124	=head2 Hooks	404	=head2 Hooks
125		405
126	The following subroutines can be declared in extension files, and will be	406	The following subroutines can be declared in extension files, and will be
127	called whenever the relevant event happens.	407	called whenever the relevant event happens.
128		408
129	The first argument passed to them is an object private to each terminal	409	The first argument passed to them is an extension oject as described in
130	and extension package. You can call all C<urxvt::term> methods on it, but	410	the in the C<Extension Objects> section.
131	its not a real C<urxvt::term> object. Instead, the real C<urxvt::term>
132	object that is shared between all packages is stored in the C<term>
133	member. It is, however, blessed intot he package of the extension script,
134	so for all practical purposes you can treat an extension script as a class.
135		411
136	All of them must return a boolean value. If it is true, then the event	412	B<All> of these hooks must return a boolean value. If any of the called
137	counts as being I<consumed>, and the invocation of other hooks is skipped,	413	hooks returns true, then the event counts as being I<consumed>, and the
138	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.
139		415
140	When in doubt, return a false value (preferably C<()>).	416	I<< When in doubt, return a false value (preferably C<()>). >>
141		417
142	=over 4	418	=over 4
143		419
144	=item on_init $term	420	=item on_init $term
145		421
146	Called after a new terminal object has been initialized, but before	422	Called after a new terminal object has been initialized, but before
147	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
148	call or deliver senseless data, as terminal size and other characteristics	424	call or deliver senseless data, as terminal size and other characteristics
149	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
150	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).
151		438
152	=item on_reset $term	439	=item on_reset $term
153		440
154	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
155	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
156	variables.	443	variables.
157		444
158	=item on_start $term	445	=item on_child_start $term, $pid
159		446
160	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.
161	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>.
162		453
163	=item on_sel_make $term, $eventtime	454	=item on_sel_make $term, $eventtime
164		455
165	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
166	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
…		…
180	=item on_sel_extend $term	471	=item on_sel_extend $term
181		472
182	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
183	click) and is either supposed to return false (normal operation), or	474	click) and is either supposed to return false (normal operation), or
184	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
185	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.
186		479
187	See the F<selection> example extension.	480	See the F<selection> example extension.
188		481
189	=item on_view_change $term, $offset	482	=item on_view_change $term, $offset
190		483
…		…
200		493
201	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,	494	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,
202	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total	495	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total
203	number of lines that will be in the scrollback buffer.	496	number of lines that will be in the scrollback buffer.
204		497
205	=item on_tty_activity $term *NYI*	498	=item on_osc_seq $term, $op, $args
206		499
207	Called whenever the program(s) running in the urxvt window send output.	500	Called on every OSC sequence and can be used to suppress it or modify its
		501	behaviour. The default should be to return an empty list. A true value
		502	suppresses execution of the request completely. Make sure you don't get
		503	confused by recursive invocations when you output an osc sequence within
		504	this callback.
208		505
		506	C<on_osc_seq_perl> should be used for new behaviour.
		507
209	=item on_osc_seq $term, $string	508	=item on_osc_seq_perl $term, $string
210		509
211	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =	510	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
212	operating system command) is processed. Cursor position and other state	511	operating system command) is processed. Cursor position and other state
213	information is up-to-date when this happens. For interoperability, the	512	information is up-to-date when this happens. For interoperability, the
214	string should start with the extension name and a colon, to distinguish	513	string should start with the extension name and a colon, to distinguish
…		…
225	can filter/change and output the text yourself by returning a true value	524	can filter/change and output the text yourself by returning a true value
226	and calling C<< $term->scr_add_lines >> yourself. Please note that this	525	and calling C<< $term->scr_add_lines >> yourself. Please note that this
227	might be very slow, however, as your hook is called for B<all> text being	526	might be very slow, however, as your hook is called for B<all> text being
228	output.	527	output.
229		528
		529	=item on_tt_write $term, $octets
		530
		531	Called whenever some data is written to the tty/pty and can be used to
		532	suppress or filter tty input.
		533
230	=item on_line_update $term, $row	534	=item on_line_update $term, $row
231		535
232	Called whenever a line was updated or changed. Can be used to filter	536	Called whenever a line was updated or changed. Can be used to filter
233	screen output (e.g. underline urls or other useless stuff). Only lines	537	screen output (e.g. underline urls or other useless stuff). Only lines
234	that are being shown will be filtered, and, due to performance reasons,	538	that are being shown will be filtered, and, due to performance reasons,
…		…
250		554
251	=item on_refresh_end $term	555	=item on_refresh_end $term
252		556
253	Called just after the screen gets redrawn. See C<on_refresh_begin>.	557	Called just after the screen gets redrawn. See C<on_refresh_begin>.
254		558
255	=item on_keyboard_command $term, $string	559	=item on_user_command $term, $string
256		560
257	Called whenever the user presses a key combination that has a	561	Called whenever the a user-configured event is being activated (e.g. via
258	C<perl:string> action bound to it (see description of the B<keysym>	562	a C<perl:string> action bound to a key, see description of the B<keysym>
259	resource in the @@RXVT_NAME@@(1) manpage).	563	resource in the @@RXVT_NAME@@(1) manpage).
		564
		565	The event is simply the action string. This interface is assumed to change
		566	slightly in the future.
		567
		568	=item on_resize_all_windows $tern, $new_width, $new_height
		569
		570	Called just after the new window size has been calculcated, but before
		571	windows are actually being resized or hints are being set. If this hook
		572	returns TRUE, setting of the window hints is being skipped.
		573
		574	=item on_x_event $term, $event
		575
		576	Called on every X event received on the vt window (and possibly other
		577	windows). Should only be used as a last resort. Most event structure
		578	members are not passed.
260		579
261	=item on_focus_in $term	580	=item on_focus_in $term
262		581
263	Called whenever the window gets the keyboard focus, before rxvt-unicode	582	Called whenever the window gets the keyboard focus, before rxvt-unicode
264	does focus in processing.	583	does focus in processing.
…		…
266	=item on_focus_out $term	585	=item on_focus_out $term
267		586
268	Called wheneever the window loses keyboard focus, before rxvt-unicode does	587	Called wheneever the window loses keyboard focus, before rxvt-unicode does
269	focus out processing.	588	focus out processing.
270		589
		590	=item on_configure_notify $term, $event
		591
		592	=item on_property_notify $term, $event
		593
271	=item on_key_press $term, $event, $octets	594	=item on_key_press $term, $event, $keysym, $octets
272		595
273	=item on_key_release $term, $event	596	=item on_key_release $term, $event, $keysym
274		597
275	=item on_button_press $term, $event	598	=item on_button_press $term, $event
276		599
277	=item on_button_release $term, $event	600	=item on_button_release $term, $event
278		601
…		…
284		607
285	Called whenever the corresponding X event is received for the terminal If	608	Called whenever the corresponding X event is received for the terminal If
286	the hook returns true, then the even will be ignored by rxvt-unicode.	609	the hook returns true, then the even will be ignored by rxvt-unicode.
287		610
288	The event is a hash with most values as named by Xlib (see the XEvent	611	The event is a hash with most values as named by Xlib (see the XEvent
289	manpage), with the additional members C<row> and C<col>, which are the row	612	manpage), with the additional members C<row> and C<col>, which are the
290	and column under the mouse cursor.	613	(real, not screen-based) row and column under the mouse cursor.
291		614
292	C<on_key_press> additionally receives the string rxvt-unicode would	615	C<on_key_press> additionally receives the string rxvt-unicode would
293	output, if any, in locale-specific encoding.	616	output, if any, in locale-specific encoding.
294		617
295	subwindow.	618	subwindow.
296		619
		620	=item on_client_message $term, $event
		621
		622	=item on_wm_protocols $term, $event
		623
		624	=item on_wm_delete_window $term, $event
		625
		626	Called when various types of ClientMessage events are received (all with
		627	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
		628
297	=back	629	=back
298		630
		631	=cut
		632
		633	package urxvt;
		634
		635	use utf8;
		636	use strict;
		637	use Carp ();
		638	use Scalar::Util ();
		639	use List::Util ();
		640
		641	our $VERSION = 1;
		642	our $TERM;
		643	our @TERM_INIT;
		644	our @TERM_EXT;
		645	our @HOOKNAME;
		646	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
		647	our %OPTION;
		648
		649	our $LIBDIR;
		650	our $RESNAME;
		651	our $RESCLASS;
		652	our $RXVTNAME;
		653
		654	our $NOCHAR = chr 0xffff;
		655
299	=head2 Variables in the C<urxvt> Package	656	=head2 Variables in the C<urxvt> Package
300		657
301	=over 4	658	=over 4
		659
		660	=item $urxvt::LIBDIR
		661
		662	The rxvt-unicode library directory, where, among other things, the perl
		663	modules and scripts are stored.
		664
		665	=item $urxvt::RESCLASS, $urxvt::RESCLASS
		666
		667	The resource class and name rxvt-unicode uses to look up X resources.
		668
		669	=item $urxvt::RXVTNAME
		670
		671	The basename of the installed binaries, usually C<urxvt>.
302		672
303	=item $urxvt::TERM	673	=item $urxvt::TERM
304		674
305	The current terminal. This variable stores the current C<urxvt::term>	675	The current terminal. This variable stores the current C<urxvt::term>
306	object, whenever a callback/hook is executing.	676	object, whenever a callback/hook is executing.
307		677
		678	=item @urxvt::TERM_INIT
		679
		680	All coderefs in this array will be called as methods of the next newly
		681	created C<urxvt::term> object (during the C<on_init> phase). The array
		682	gets cleared before the codereferences that were in it are being executed,
		683	so coderefs can push themselves onto it again if they so desire.
		684
		685	This complements to the perl-eval commandline option, but gets executed
		686	first.
		687
		688	=item @urxvt::TERM_EXT
		689
		690	Works similar to C<@TERM_INIT>, but contains perl package/class names, which
		691	get registered as normal extensions after calling the hooks in C<@TERM_INIT>
		692	but before other extensions. Gets cleared just like C<@TERM_INIT>.
		693
308	=back	694	=back
309		695
310	=head2 Functions in the C<urxvt> Package	696	=head2 Functions in the C<urxvt> Package
311		697
312	=over 4	698	=over 4
313
314	=item $term = new urxvt [arg...]
315
316	Creates a new terminal, very similar as if you had started it with
317	C<system $binfile, arg...>. Croaks (and probably outputs an error message)
318	if the new instance couldn't be created. Returns C<undef> if the new
319	instance didn't initialise perl, and the terminal object otherwise. The
320	C<init> and C<start> hooks will be called during the call.
321		699
322	=item urxvt::fatal $errormessage	700	=item urxvt::fatal $errormessage
323		701
324	Fatally aborts execution with the given error message. Avoid at all	702	Fatally aborts execution with the given error message. Avoid at all
325	costs! The only time this is acceptable is when the terminal process	703	costs! The only time this is acceptable is when the terminal process
…		…
332	that calls this function.	710	that calls this function.
333		711
334	Using this function has the advantage that its output ends up in the	712	Using this function has the advantage that its output ends up in the
335	correct place, e.g. on stderr of the connecting urxvtc client.	713	correct place, e.g. on stderr of the connecting urxvtc client.
336		714
		715	Messages have a size limit of 1023 bytes currently.
		716
		717	=item @terms = urxvt::termlist
		718
		719	Returns all urxvt::term objects that exist in this process, regardless of
		720	wether they are started, being destroyed etc., so be careful. Only term
		721	objects that have perl extensions attached will be returned (because there
		722	is no urxvt::term objet associated with others).
		723
337	=item $time = urxvt::NOW	724	=item $time = urxvt::NOW
338		725
339	Returns the "current time" (as per the event loop).	726	Returns the "current time" (as per the event loop).
340		727
341	=item urxvt::CurrentTime	728	=item urxvt::CurrentTime
342		729
343	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,	730	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
344	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,	731	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
345	Button4Mask, Button5Mask, AnyModifier	732	Button4Mask, Button5Mask, AnyModifier
		733
		734	=item urxvt::NoEventMask, KeyPressMask, KeyReleaseMask,
		735	ButtonPressMask, ButtonReleaseMask, EnterWindowMask, LeaveWindowMask,
		736	PointerMotionMask, PointerMotionHintMask, Button1MotionMask, Button2MotionMask,
		737	Button3MotionMask, Button4MotionMask, Button5MotionMask, ButtonMotionMask,
		738	KeymapStateMask, ExposureMask, VisibilityChangeMask, StructureNotifyMask,
		739	ResizeRedirectMask, SubstructureNotifyMask, SubstructureRedirectMask,
		740	FocusChangeMask, PropertyChangeMask, ColormapChangeMask, OwnerGrabButtonMask
		741
		742	=item urxvt::KeyPress, KeyRelease, ButtonPress, ButtonRelease, MotionNotify,
		743	EnterNotify, LeaveNotify, FocusIn, FocusOut, KeymapNotify, Expose,
		744	GraphicsExpose, NoExpose, VisibilityNotify, CreateNotify, DestroyNotify,
		745	UnmapNotify, MapNotify, MapRequest, ReparentNotify, ConfigureNotify,
		746	ConfigureRequest, GravityNotify, ResizeRequest, CirculateNotify,
		747	CirculateRequest, PropertyNotify, SelectionClear, SelectionRequest,
		748	SelectionNotify, ColormapNotify, ClientMessage, MappingNotify
346		749
347	Various constants for use in X calls and event processing.	750	Various constants for use in X calls and event processing.
348		751
349	=back	752	=back
350		753
…		…
379		782
380	=item $background = urxvt::GET_BASEBG $rend	783	=item $background = urxvt::GET_BASEBG $rend
381		784
382	Return the foreground/background colour index, respectively.	785	Return the foreground/background colour index, respectively.
383		786
384	=item $rend = urxvt::SET_FGCOLOR ($rend, $new_colour)	787	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour
385		788
386	=item $rend = urxvt::SET_BGCOLOR ($rend, $new_colour)	789	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour
		790
		791	=item $rend = urxvt::SET_COLOR $rend, $new_fg, $new_bg
387		792
388	Replace the foreground/background colour in the rendition mask with the	793	Replace the foreground/background colour in the rendition mask with the
389	specified one.	794	specified one.
390		795
391	=item $value = urxvt::GET_CUSTOM ($rend)	796	=item $value = urxvt::GET_CUSTOM $rend
392		797
393	Return the "custom" value: Every rendition has 5 bits for use by	798	Return the "custom" value: Every rendition has 5 bits for use by
394	extensions. They can be set and changed as you like and are initially	799	extensions. They can be set and changed as you like and are initially
395	zero.	800	zero.
396		801
397	=item $rend = urxvt::SET_CUSTOM ($rend, $new_value)	802	=item $rend = urxvt::SET_CUSTOM $rend, $new_value
398		803
399	Change the custom value.	804	Change the custom value.
400		805
401	=back	806	=back
402		807
403	=cut	808	=cut
404		809
405	package urxvt;
406
407	use utf8;
408	use strict;
409	use Scalar::Util ();
410	use List::Util ();
411
412	our $VERSION = 1;
413	our $TERM;
414	our @HOOKNAME;
415	our %OPTION;
416	our $LIBDIR;
417
418	BEGIN {	810	BEGIN {
419	urxvt->bootstrap;
420
421	# overwrite perl's warn	811	# overwrite perl's warn
422	*CORE::GLOBAL::warn = sub {	812	*CORE::GLOBAL::warn = sub {
423	my $msg = join "", @_;	813	my $msg = join "", @_;
424	$msg .= "\n"	814	$msg .= "\n"
425	unless $msg =~ /\n$/;	815	unless $msg =~ /\n$/;
426	urxvt::warn ($msg);	816	urxvt::warn ($msg);
427	};	817	};
428	}	818	}
429		819
430	my @hook_count;	820	no warnings 'utf8';
		821
431	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};	822	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
432		823
433	sub verbose {	824	sub verbose {
434	my ($level, $msg) = @_;	825	my ($level, $msg) = @_;
435	warn "$msg\n" if $level <= $verbosity;	826	warn "$msg\n" if $level <= $verbosity;
436	}	827	}
437		828
438	# find on_xxx subs in the package and register them
439	# as hooks
440	sub register_package($) {
441	my ($pkg) = @_;
442
443	for my $htype (0.. $#HOOKNAME) {
444	my $name = $HOOKNAME[$htype];
445
446	my $ref = $pkg->can ("on_" . lc $name)
447	or next;
448
449	$TERM->{_hook}[$htype]{$pkg} = $ref;
450	$hook_count[$htype]++
451	or set_should_invoke $htype, 1;
452	}
453	}
454
455	my $extension_pkg = "extension0000";
456	my %extension_pkg;	829	my %extension_pkg;
457		830
458	# load a single script into its own package, once only	831	# load a single script into its own package, once only
459	sub extension_package($) {	832	sub extension_package($) {
460	my ($path) = @_;	833	my ($path) = @_;
461		834
462	$extension_pkg{$path} ||= do {	835	$extension_pkg{$path} ||= do {
463	my $pkg = "urxvt::" . ($extension_pkg++);	836	$path =~ /([^\/\\]+)$/;
		837	my $pkg = $1;
		838	$pkg =~ s/[^[:word:]]/_/g;
		839	$pkg = "urxvt::ext::$pkg";
464		840
465	verbose 3, "loading extension '$path' into package '$pkg'";	841	verbose 3, "loading extension '$path' into package '$pkg'";
466		842
467	open my $fh, "<:raw", $path	843	open my $fh, "<:raw", $path
468	or die "$path: $!";	844	or die "$path: $!";
469		845
470	my $source = "package $pkg; use strict; use utf8;\n"	846	my $source =
471	. "use base urxvt::term::proxy::;\n"	847	"package $pkg; use strict; use utf8; no warnings 'utf8';\n"
472	. "#line 1 \"$path\"\n{\n"	848	. "#line 1 \"$path\"\n{\n"
473	. (do { local $/; <$fh> })	849	. (do { local $/; <$fh> })
474	. "\n};\n1";	850	. "\n};\n1";
475		851
476	$source =~ /(.*)/s and $source = $1; # untaint	852	eval $source
477
478	eval $source or die "$path: $@";	853	or die "$path: $@";
479		854
480	$pkg	855	$pkg
481	}	856	}
482	}	857	}
483		858
…		…
489	my $htype = shift;	864	my $htype = shift;
490		865
491	if ($htype == 0) { # INIT	866	if ($htype == 0) { # INIT
492	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");	867	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
493		868
494	my %want_ext;	869	my %ext_arg;
495		870
		871	{
		872	my @init = @TERM_INIT;
		873	@TERM_INIT = ();
		874	$_->($TERM) for @init;
		875	my @pkg = @TERM_EXT;
		876	@TERM_EXT = ();
		877	$TERM->register_package ($_) for @pkg;
		878	}
		879
496	for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {	880	for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
497	if ($_ eq "default") {	881	if ($_ eq "default") {
498	$want_ext{$_}++ for qw(selection option-popup);	882	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline);
499	} elsif (/^-(.*)$/) {	883	} elsif (/^-(.*)$/) {
500	delete $want_ext{$1};	884	delete $ext_arg{$1};
		885	} elsif (/^([^<]+)<(.*)>$/) {
		886	push @{ $ext_arg{$1} }, $2;
501	} else {	887	} else {
502	$want_ext{$_}++;	888	$ext_arg{$_} ||= [];
503	}	889	}
504	}	890	}
505		891
506	for my $ext (keys %want_ext) {	892	for my $ext (sort keys %ext_arg) {
507	my @files = grep -f $_, map "$_/$ext", @dirs;	893	my @files = grep -f $_, map "$_/$ext", @dirs;
508		894
509	if (@files) {	895	if (@files) {
510	register_package extension_package $files[0];	896	$TERM->register_package (extension_package $files[0], $ext_arg{$ext});
511	} else {	897	} else {
512	warn "perl extension '$ext' not found in perl library search path\n";	898	warn "perl extension '$ext' not found in perl library search path\n";
513	}	899	}
514	}	900	}
515		901
…		…
524	if $verbosity >= 10;	910	if $verbosity >= 10;
525		911
526	keys %$cb;	912	keys %$cb;
527		913
528	while (my ($pkg, $cb) = each %$cb) {	914	while (my ($pkg, $cb) = each %$cb) {
529	eval {	915	my $retval_ = eval { $cb->($TERM->{_pkg}{$pkg}, @_) };
530	$retval = $cb->(	916	$retval ||= $retval_;
531	$TERM->{_pkg}{$pkg} ||= do {
532	my $proxy = bless { }, $pkg;
533	Scalar::Util::weaken ($proxy->{term} = $TERM);
534	$proxy
535	},
536	@_,
537	) and last;
538	};
539	warn $@ if $@;#d#
540	}
541	}
542		917
543	if ($htype == 1) { # DESTROY	918	if ($@) {
544	# remove hooks if unused	919	$TERM->ungrab; # better to lose the grab than the session
545	if (my $hook = $TERM->{_hook}) {	920	warn $@;
546	for my $htype (0..$#$hook) {
547	$hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
548	or set_should_invoke $htype, 0;
549	}	921	}
550	}	922	}
551		923
		924	verbose 11, "$HOOKNAME[$htype] returning <$retval>"
		925	if $verbosity >= 11;
		926	}
		927
		928	if ($htype == 1) { # DESTROY
552	# clear package objects	929	# clear package objects
553	%$_ = () for values %{ $TERM->{_pkg} };	930	%$_ = () for values %{ $TERM->{_pkg} };
554		931
555	# clear package	932	# clear package
556	%$TERM = ();	933	%$TERM = ();
557	}	934	}
558		935
559	$retval	936	$retval
560	}	937	}
561		938
562	# urxvt::term::proxy	939	sub SET_COLOR($$$) {
		940	SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
		941	}
563		942
564	sub urxvt::term::proxy::AUTOLOAD {	943	# urxvt::term::extension
565	$urxvt::term::proxy::AUTOLOAD =~ /:([^:]+)$/	944
		945	package urxvt::term::extension;
		946
		947	sub enable {
		948	my ($self, %hook) = @_;
		949	my $pkg = $self->{_pkg};
		950
		951	while (my ($name, $cb) = each %hook) {
		952	my $htype = $HOOKTYPE{uc $name};
		953	defined $htype
		954	or Carp::croak "unsupported hook type '$name'";
		955
		956	$self->set_should_invoke ($htype, +1)
		957	unless exists $self->{term}{_hook}[$htype]{$pkg};
		958
		959	$self->{term}{_hook}[$htype]{$pkg} = $cb;
		960	}
		961	}
		962
		963	sub disable {
		964	my ($self, @hook) = @_;
		965	my $pkg = $self->{_pkg};
		966
		967	for my $name (@hook) {
		968	my $htype = $HOOKTYPE{uc $name};
		969	defined $htype
		970	or Carp::croak "unsupported hook type '$name'";
		971
		972	$self->set_should_invoke ($htype, -1)
		973	if delete $self->{term}{_hook}[$htype]{$pkg};
		974	}
		975	}
		976
		977	our $AUTOLOAD;
		978
		979	sub AUTOLOAD {
		980	$AUTOLOAD =~ /:([^:]+)$/
566	or die "FATAL: \$AUTOLOAD '$urxvt::term::proxy::AUTOLOAD' unparsable";	981	or die "FATAL: \$AUTOLOAD '$AUTOLOAD' unparsable";
567		982
568	eval qq{	983	eval qq{
569	sub $urxvt::term::proxy::AUTOLOAD {	984	sub $AUTOLOAD {
570	my \$proxy = shift;	985	my \$proxy = shift;
571	\$proxy->{term}->$1 (\@_)	986	\$proxy->{term}->$1 (\@_)
572	}	987	}
573	1	988	1
574	} or die "FATAL: unable to compile method forwarder: $@";	989	} or die "FATAL: unable to compile method forwarder: $@";
575		990
576	goto &$urxvt::term::proxy::AUTOLOAD;	991	goto &$AUTOLOAD;
		992	}
		993
		994	sub DESTROY {
		995	# nop
577	}	996	}
578		997
579	# urxvt::destroy_hook	998	# urxvt::destroy_hook
580		999
581	sub urxvt::destroy_hook::DESTROY {	1000	sub urxvt::destroy_hook::DESTROY {
…		…
590		1009
591	=head2 The C<urxvt::anyevent> Class	1010	=head2 The C<urxvt::anyevent> Class
592		1011
593	The sole purpose of this class is to deliver an interface to the	1012	The sole purpose of this class is to deliver an interface to the
594	C<AnyEvent> module - any module using it will work inside urxvt without	1013	C<AnyEvent> module - any module using it will work inside urxvt without
595	further work. The only exception is that you cannot wait on condition	1014	further programming. The only exception is that you cannot wait on
596	variables, but non-blocking condvar use is ok. What this means is that you	1015	condition variables, but non-blocking condvar use is ok. What this means
597	cannot use blocking APIs, but the non-blocking variant should work.	1016	is that you cannot use blocking APIs, but the non-blocking variant should
		1017	work.
598		1018
599	=cut	1019	=cut
600		1020
601	our $VERSION = 1;	1021	our $VERSION = 1;
602		1022
…		…
647	${$_[0]}++;	1067	${$_[0]}++;
648	}	1068	}
649		1069
650	sub urxvt::anyevent::condvar::wait {	1070	sub urxvt::anyevent::condvar::wait {
651	unless (${$_[0]}) {	1071	unless (${$_[0]}) {
652	require Carp;
653	Carp::croak ("AnyEvent->condvar blocking wait unsupported in urxvt, use a non-blocking API");	1072	Carp::croak "AnyEvent->condvar blocking wait unsupported in urxvt, use a non-blocking API";
654	}	1073	}
655	}	1074	}
656		1075
657	package urxvt::term;	1076	package urxvt::term;
658		1077
659	=head2 The C<urxvt::term> Class	1078	=head2 The C<urxvt::term> Class
660		1079
661	=over 4	1080	=over 4
662		1081
		1082	=cut
		1083
		1084	# find on_xxx subs in the package and register them
		1085	# as hooks
		1086	sub register_package {
		1087	my ($self, $pkg, $argv) = @_;
		1088
		1089	no strict 'refs';
		1090
		1091	urxvt::verbose 6, "register package $pkg to $self";
		1092
		1093	@{"$pkg\::ISA"} = urxvt::term::extension::;
		1094
		1095	my $proxy = bless {
		1096	_pkg => $pkg,
		1097	argv => $argv,
		1098	}, $pkg;
		1099	Scalar::Util::weaken ($proxy->{term} = $self);
		1100
		1101	$self->{_pkg}{$pkg} = $proxy;
		1102
		1103	for my $name (@HOOKNAME) {
		1104	if (my $ref = $pkg->can ("on_" . lc $name)) {
		1105	$proxy->enable ($name => $ref);
		1106	}
		1107	}
		1108	}
		1109
		1110	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
		1111
		1112	Creates a new terminal, very similar as if you had started it with system
		1113	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
		1114	hash which defines the environment of the new terminal.
		1115
		1116	Croaks (and probably outputs an error message) if the new instance
		1117	couldn't be created. Returns C<undef> if the new instance didn't
		1118	initialise perl, and the terminal object otherwise. The C<init> and
		1119	C<start> hooks will be called before this call returns, and are free to
		1120	refer to global data (which is race free).
		1121
		1122	=cut
		1123
		1124	sub new {
		1125	my ($class, $env, @args) = @_;
		1126
		1127	$env or Carp::croak "environment hash missing in call to urxvt::term->new";
		1128	@args or Carp::croak "name argument missing in call to urxvt::term->new";
		1129
		1130	_new ([ map "$_=$env->{$_}", keys %$env ], \@args);
		1131	}
		1132
663	=item $term->destroy	1133	=item $term->destroy
664		1134
665	Destroy the terminal object (close the window, free resources etc.).	1135	Destroy the terminal object (close the window, free resources
		1136	etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event
		1137	watchers (timers, io watchers) are still active.
		1138
		1139	=item $term->exec_async ($cmd[, @args])
		1140
		1141	Works like the combination of the C<fork>/C<exec> builtins, which executes
		1142	("starts") programs in the background. This function takes care of setting
		1143	the user environment before exec'ing the command (e.g. C<PATH>) and should
		1144	be preferred over explicit calls to C<exec> or C<system>.
		1145
		1146	Returns the pid of the subprocess or C<undef> on error.
		1147
		1148	=cut
		1149
		1150	sub exec_async {
		1151	my $self = shift;
		1152
		1153	my $pid = fork;
		1154
		1155	return $pid
		1156	if !defined $pid or $pid;
		1157
		1158	%ENV = %{ $self->env };
		1159
		1160	exec @_;
		1161	urxvt::_exit 255;
		1162	}
666		1163
667	=item $isset = $term->option ($optval[, $set])	1164	=item $isset = $term->option ($optval[, $set])
668		1165
669	Returns true if the option specified by C<$optval> is enabled, and	1166	Returns true if the option specified by C<$optval> is enabled, and
670	optionally change it. All option values are stored by name in the hash	1167	optionally change it. All option values are stored by name in the hash
…		…
673	Here is a a likely non-exhaustive list of option names, please see the	1170	Here is a a likely non-exhaustive list of option names, please see the
674	source file F</src/optinc.h> to see the actual list:	1171	source file F</src/optinc.h> to see the actual list:
675		1172
676	borderLess console cursorBlink cursorUnderline hold iconic insecure	1173	borderLess console cursorBlink cursorUnderline hold iconic insecure
677	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage	1174	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage
678	pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating	1175	override-redirect pastableTabs pointerBlank reverseVideo scrollBar
679	scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer	1176	scrollBar_floating scrollBar_right scrollTtyKeypress scrollTtyOutput
680	secondaryScreen secondaryScroll skipBuiltinGlyphs transparent	1177	scrollWithBuffer secondaryScreen secondaryScroll skipBuiltinGlyphs
681	tripleclickwords utmpInhibit visualBell	1178	transparent tripleclickwords utmpInhibit visualBell
682		1179
683	=item $value = $term->resource ($name[, $newval])	1180	=item $value = $term->resource ($name[, $newval])
684		1181
685	Returns the current resource value associated with a given name and	1182	Returns the current resource value associated with a given name and
686	optionally sets a new value. Setting values is most useful in the C<init>	1183	optionally sets a new value. Setting values is most useful in the C<init>
…		…
703		1200
704	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont	1201	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
705	borderLess color cursorBlink cursorUnderline cutchars delete_key	1202	borderLess color cursorBlink cursorUnderline cutchars delete_key
706	display_name embed ext_bwidth fade font geometry hold iconName	1203	display_name embed ext_bwidth fade font geometry hold iconName
707	imFont imLocale inputMethod insecure int_bwidth intensityStyles	1204	imFont imLocale inputMethod insecure int_bwidth intensityStyles
708	italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier	1205	italicFont jumpScroll lineSpace loginShell mapAlert meta8 modifier
709	mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2	1206	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
710	perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd	1207	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
711	reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating	1208	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
712	scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput	1209	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
713	scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle	1210	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
714	shade term_name title transparent transparent_all tripleclickwords	1211	secondaryScreen secondaryScroll selectstyle shade term_name title
715	utmpInhibit visualBell	1212	transient_for transparent transparent_all tripleclickwords utmpInhibit
		1213	visualBell
716		1214
717	=cut	1215	=cut
718		1216
719	sub resource($$;$) {	1217	sub resource($$;$) {
720	my ($self, $name) = (shift, shift);	1218	my ($self, $name) = (shift, shift);
721	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);	1219	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
722	&urxvt::term::_resource	1220	&urxvt::term::_resource
723	}	1221	}
724		1222
		1223	=item $value = $term->x_resource ($pattern)
		1224
		1225	Returns the X-Resource for the given pattern, excluding the program or
		1226	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
		1227	same value as used by this instance of rxvt-unicode. Returns C<undef> if no
		1228	resource with that pattern exists.
		1229
		1230	This method should only be called during the C<on_start> hook, as there is
		1231	only one resource database per display, and later invocations might return
		1232	the wrong resources.
		1233
		1234	=item $success = $term->parse_keysym ($keysym_spec, $command_string)
		1235
		1236	Adds a keymap translation exactly as specified via a resource. See the
		1237	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.
		1238
725	=item $rend = $term->rstyle ([$new_rstyle])	1239	=item $rend = $term->rstyle ([$new_rstyle])
726		1240
727	Return and optionally change the current rendition. Text that is output by	1241	Return and optionally change the current rendition. Text that is output by
728	the terminal application will use this style.	1242	the terminal application will use this style.
729		1243
…		…
739	=item ($row, $col) = $term->selection_end ([$row, $col])	1253	=item ($row, $col) = $term->selection_end ([$row, $col])
740		1254
741	Return the current values of the selection mark, begin or end positions,	1255	Return the current values of the selection mark, begin or end positions,
742	and optionally set them to new values.	1256	and optionally set them to new values.
743		1257
		1258	=item $term->selection_make ($eventtime[, $rectangular])
		1259
		1260	Tries to make a selection as set by C<selection_beg> and
		1261	C<selection_end>. If C<$rectangular> is true (default: false), a
		1262	rectangular selection will be made. This is the prefered function to make
		1263	a selection.
		1264
744	=item $success = $term->selection_grab ($eventtime)	1265	=item $success = $term->selection_grab ($eventtime)
745		1266
746	Try to request the primary selection from the server (for example, as set	1267	Try to request the primary selection text from the server (for example, as
747	by the next method).	1268	set by the next method). No visual feedback will be given. This function
		1269	is mostly useful from within C<on_sel_grab> hooks.
748		1270
749	=item $oldtext = $term->selection ([$newtext])	1271	=item $oldtext = $term->selection ([$newtext])
750		1272
751	Return the current selection text and optionally replace it by C<$newtext>.	1273	Return the current selection text and optionally replace it by C<$newtext>.
752		1274
753	#=item $term->overlay ($x, $y, $text)	1275	=item $term->overlay_simple ($x, $y, $text)
754	#	1276
755	#Create a simple multi-line overlay box. See the next method for details.	1277	Create a simple multi-line overlay box. See the next method for details.
756	#	1278
757	#=cut	1279	=cut
758	#	1280
759	#sub urxvt::term::scr_overlay {	1281	sub overlay_simple {
760	# my ($self, $x, $y, $text) = @_;	1282	my ($self, $x, $y, $text) = @_;
761	#	1283
762	# my @lines = split /\n/, $text;	1284	my @lines = split /\n/, $text;
763	#	1285
764	# my $w = 0;	1286	my $w = List::Util::max map $self->strwidth ($_), @lines;
765	# for (map $self->strwidth ($_), @lines) {	1287
766	# $w = $_ if $w < $_;
767	# }
768	#
769	# $self->scr_overlay_new ($x, $y, $w, scalar @lines);	1288	my $overlay = $self->overlay ($x, $y, $w, scalar @lines);
770	# $self->scr_overlay_set (0, $_, $lines[$_]) for 0.. $#lines;	1289	$overlay->set (0, $_, $lines[$_]) for 0.. $#lines;
771	#}	1290
		1291	$overlay
		1292	}
772		1293
773	=item $term->overlay ($x, $y, $width, $height[, $rstyle[, $border]])	1294	=item $term->overlay ($x, $y, $width, $height[, $rstyle[, $border]])
774		1295
775	Create a new (empty) overlay at the given position with the given	1296	Create a new (empty) overlay at the given position with the given
776	width/height. C<$rstyle> defines the initial rendition style	1297	width/height. C<$rstyle> defines the initial rendition style
…		…
843		1364
844	=item $string = $term->locale_decode ($octets)	1365	=item $string = $term->locale_decode ($octets)
845		1366
846	Convert the given locale-encoded octets into a perl string.	1367	Convert the given locale-encoded octets into a perl string.
847		1368
		1369	=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])
		1370
		1371	XORs the rendition values in the given span with the provided value
		1372	(default: C<RS_RVid>), which I<MUST NOT> contain font styles. Useful in
		1373	refresh hooks to provide effects similar to the selection.
		1374
		1375	=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])
		1376
		1377	Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing
		1378	whitespace will additionally be xored with the C<$rstyle2>, which defaults
		1379	to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines
		1380	it instead. Both styles I<MUST NOT> contain font styles.
		1381
		1382	=item $term->scr_bell
		1383
		1384	Ring the bell!
		1385
848	=item $term->scr_add_lines ($string)	1386	=item $term->scr_add_lines ($string)
849		1387
850	Write the given text string to the screen, as if output by the application	1388	Write the given text string to the screen, as if output by the application
851	running inside the terminal. It may not contain command sequences (escape	1389	running inside the terminal. It may not contain command sequences (escape
852	codes), but is free to use line feeds, carriage returns and tabs. The	1390	codes), but is free to use line feeds, carriage returns and tabs. The
…		…
854		1392
855	Normally its not a good idea to use this function, as programs might be	1393	Normally its not a good idea to use this function, as programs might be
856	confused by changes in cursor position or scrolling. Its useful inside a	1394	confused by changes in cursor position or scrolling. Its useful inside a
857	C<on_add_lines> hook, though.	1395	C<on_add_lines> hook, though.
858		1396
		1397	=item $term->scr_change_screen ($screen)
		1398
		1399	Switch to given screen - 0 primary, 1 secondary.
		1400
859	=item $term->cmd_parse ($octets)	1401	=item $term->cmd_parse ($octets)
860		1402
861	Similar to C<scr_add_lines>, but the argument must be in the	1403	Similar to C<scr_add_lines>, but the argument must be in the
862	locale-specific encoding of the terminal and can contain command sequences	1404	locale-specific encoding of the terminal and can contain command sequences
863	(escape codes) that will be interpreted.	1405	(escape codes) that will be interpreted.
…		…
866		1408
867	Write the octets given in C<$data> to the tty (i.e. as program input). To	1409	Write the octets given in C<$data> to the tty (i.e. as program input). To
868	pass characters instead of octets, you should convert your strings first	1410	pass characters instead of octets, you should convert your strings first
869	to the locale-specific encoding using C<< $term->locale_encode >>.	1411	to the locale-specific encoding using C<< $term->locale_encode >>.
870		1412
		1413	=item $old_events = $term->pty_ev_events ([$new_events])
		1414
		1415	Replaces the event mask of the pty watcher by the given event mask. Can
		1416	be used to suppress input and output handling to the pty/tty. See the
		1417	description of C<< urxvt::timer->events >>. Make sure to always restore
		1418	the previous value.
		1419
		1420	=item $fd = $term->pty_fd
		1421
		1422	Returns the master file descriptor for the pty in use, or C<-1> if no pty
		1423	is used.
		1424
871	=item $windowid = $term->parent	1425	=item $windowid = $term->parent
872		1426
873	Return the window id of the toplevel window.	1427	Return the window id of the toplevel window.
874		1428
875	=item $windowid = $term->vt	1429	=item $windowid = $term->vt
876		1430
877	Return the window id of the terminal window.	1431	Return the window id of the terminal window.
878		1432
		1433	=item $term->vt_emask_add ($x_event_mask)
		1434
		1435	Adds the specified events to the vt event mask. Useful e.g. when you want
		1436	to receive pointer events all the times:
		1437
		1438	$term->vt_emask_add (urxvt::PointerMotionMask);
		1439
		1440	=item $term->focus_in
		1441
		1442	=item $term->focus_out
		1443
		1444	=item $term->key_press ($state, $keycode[, $time])
		1445
		1446	=item $term->key_release ($state, $keycode[, $time])
		1447
		1448	Deliver various fake events to to terminal.
		1449
879	=item $window_width = $term->width	1450	=item $window_width = $term->width
880		1451
881	=item $window_height = $term->height	1452	=item $window_height = $term->height
882		1453
883	=item $font_width = $term->fwidth	1454	=item $font_width = $term->fwidth
…		…
896		1467
897	=item $max_scrollback = $term->saveLines	1468	=item $max_scrollback = $term->saveLines
898		1469
899	=item $nrow_plus_saveLines = $term->total_rows	1470	=item $nrow_plus_saveLines = $term->total_rows
900		1471
901	=item $lines_in_scrollback = $term->nsaved	1472	=item $topmost_scrollback_row = $term->top_row
902		1473
903	Return various integers describing terminal characteristics.	1474	Return various integers describing terminal characteristics.
		1475
		1476	=item $x_display = $term->display_id
		1477
		1478	Return the DISPLAY used by rxvt-unicode.
		1479
		1480	=item $lc_ctype = $term->locale
		1481
		1482	Returns the LC_CTYPE category string used by this rxvt-unicode.
		1483
		1484	=item $env = $term->env
		1485
		1486	Returns a copy of the environment in effect for the terminal as a hashref
		1487	similar to C<\%ENV>.
		1488
		1489	=item @envv = $term->envv
		1490
		1491	Returns the environment as array of strings of the form C<VAR=VALUE>.
		1492
		1493	=item @argv = $term->argv
		1494
		1495	Return the argument vector as this terminal, similar to @ARGV, but
		1496	includes the program name as first element.
		1497
		1498	=cut
		1499
		1500	sub env {
		1501	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), $_[0]->envv }
		1502	}
904		1503
905	=item $modifiermask = $term->ModLevel3Mask	1504	=item $modifiermask = $term->ModLevel3Mask
906		1505
907	=item $modifiermask = $term->ModMetaMask	1506	=item $modifiermask = $term->ModMetaMask
908		1507
909	=item $modifiermask = $term->ModNumLockMask	1508	=item $modifiermask = $term->ModNumLockMask
910		1509
911	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often	1510	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
912	AltGr), the meta key (often Alt) and the num lock key, if applicable.	1511	AltGr), the meta key (often Alt) and the num lock key, if applicable.
913		1512
		1513	=item $screen = $term->current_screen
		1514
		1515	Returns the currently displayed screen (0 primary, 1 secondary).
		1516
		1517	=item $cursor_is_hidden = $term->hidden_cursor
		1518
		1519	Returns wether the cursor is currently hidden or not.
		1520
914	=item $view_start = $term->view_start ([$newvalue])	1521	=item $view_start = $term->view_start ([$newvalue])
915		1522
916	Returns the negative row number of the topmost line. Minimum value is	1523	Returns the row number of the topmost displayed line. Maximum value is
917	C<0>, which displays the normal terminal contents. Larger values scroll	1524	C<0>, which displays the normal terminal contents. Lower values scroll
918	this many lines into the scrollback buffer.	1525	this many lines into the scrollback buffer.
919		1526
920	=item $term->want_refresh	1527	=item $term->want_refresh
921		1528
922	Requests a screen refresh. At the next opportunity, rxvt-unicode will	1529	Requests a screen refresh. At the next opportunity, rxvt-unicode will
…		…
937	line, starting at column C<$start_col> (default C<0>), which is useful	1544	line, starting at column C<$start_col> (default C<0>), which is useful
938	to replace only parts of a line. The font index in the rendition will	1545	to replace only parts of a line. The font index in the rendition will
939	automatically be updated.	1546	automatically be updated.
940		1547
941	C<$text> is in a special encoding: tabs and wide characters that use more	1548	C<$text> is in a special encoding: tabs and wide characters that use more
942	than one cell when displayed are padded with urxvt::NOCHAR characters	1549	than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
943	(C<chr 65535>). Characters with combining characters and other characters	1550	characters. Characters with combining characters and other characters that
944	that do not fit into the normal tetx encoding will be replaced with	1551	do not fit into the normal tetx encoding will be replaced with characters
945	characters in the private use area.	1552	in the private use area.
946		1553
947	You have to obey this encoding when changing text. The advantage is	1554	You have to obey this encoding when changing text. The advantage is
948	that C<substr> and similar functions work on screen cells and not on	1555	that C<substr> and similar functions work on screen cells and not on
949	characters.	1556	characters.
950		1557
…		…
1001	Return the row number of the first/last row of the line, respectively.	1608	Return the row number of the first/last row of the line, respectively.
1002		1609
1003	=item $offset = $line->offset_of ($row, $col)	1610	=item $offset = $line->offset_of ($row, $col)
1004		1611
1005	Returns the character offset of the given row|col pair within the logical	1612	Returns the character offset of the given row|col pair within the logical
1006	line.	1613	line. Works for rows outside the line, too, and returns corresponding
		1614	offsets outside the string.
1007		1615
1008	=item ($row, $col) = $line->coord_of ($offset)	1616	=item ($row, $col) = $line->coord_of ($offset)
1009		1617
1010	Translates a string offset into terminal coordinates again.	1618	Translates a string offset into terminal coordinates again.
1011		1619
…		…
1085	$offset / $self->{ncol} + $self->{beg},	1693	$offset / $self->{ncol} + $self->{beg},
1086	$offset % $self->{ncol}	1694	$offset % $self->{ncol}
1087	)	1695	)
1088	}	1696	}
1089		1697
1090	=item ($row, $col) = $line->coord_of ($offset)
1091	=item $text = $term->special_encode $string	1698	=item $text = $term->special_encode $string
1092		1699
1093	Converts a perl string into the special encoding used by rxvt-unicode,	1700	Converts a perl string into the special encoding used by rxvt-unicode,
1094	where one character corresponds to one screen cell. See	1701	where one character corresponds to one screen cell. See
1095	C<< $term->ROW_t >> for details.	1702	C<< $term->ROW_t >> for details.
…		…
1097	=item $string = $term->special_decode $text	1704	=item $string = $term->special_decode $text
1098		1705
1099	Converts rxvt-unicodes text reprsentation into a perl string. See	1706	Converts rxvt-unicodes text reprsentation into a perl string. See
1100	C<< $term->ROW_t >> for details.	1707	C<< $term->ROW_t >> for details.
1101		1708
		1709	=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
		1710
		1711	=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
		1712
		1713	Register/unregister a synchronous button grab. See the XGrabButton
		1714	manpage.
		1715
		1716	=item $success = $term->grab ($eventtime[, $sync])
		1717
		1718	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
		1719	synchronous (C<$sync> is true). Also remembers the grab timestampe.
		1720
		1721	=item $term->allow_events_async
		1722
		1723	Calls XAllowEvents with AsyncBoth for the most recent grab.
		1724
		1725	=item $term->allow_events_sync
		1726
		1727	Calls XAllowEvents with SyncBoth for the most recent grab.
		1728
		1729	=item $term->allow_events_replay
		1730
		1731	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
		1732	recent grab.
		1733
		1734	=item $term->ungrab
		1735
		1736	Calls XUngrab for the most recent grab. Is called automatically on
		1737	evaluation errors, as it is better to lose the grab in the error case as
		1738	the session.
		1739
		1740	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
		1741
		1742	=item $atom_name = $term->XGetAtomName ($atom)
		1743
		1744	=item @atoms = $term->XListProperties ($window)
		1745
		1746	=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
		1747
		1748	=item $term->XChangeWindowProperty ($window, $property, $type, $format, $octets)
		1749
		1750	=item $term->XDeleteProperty ($window, $property)
		1751
		1752	=item $window = $term->DefaultRootWindow
		1753
		1754	=item $term->XReparentWindow ($window, $parent, [$x, $y])
		1755
		1756	=item $term->XMapWindow ($window)
		1757
		1758	=item $term->XUnmapWindow ($window)
		1759
		1760	=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
		1761
		1762	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
		1763
		1764	=item $term->XChangeInput ($window, $add_events[, $del_events])
		1765
		1766	Various X or X-related functions. The C<$term> object only serves as
		1767	the source of the display, otherwise those functions map more-or-less
		1768	directory onto the X functions of the same name.
		1769
1102	=back	1770	=back
1103		1771
1104	=cut	1772	=cut
1105		1773
1106	package urxvt::popup;	1774	package urxvt::popup;
…		…
1121	$item->{render} ||= sub { $_[0]{text} };	1789	$item->{render} ||= sub { $_[0]{text} };
1122		1790
1123	push @{ $self->{item} }, $item;	1791	push @{ $self->{item} }, $item;
1124	}	1792	}
1125		1793
1126	sub add_separator {	1794	=item $popup->add_title ($title)
1127	my ($self, $sep) = @_;
1128		1795
1129	$sep ||= "═";	1796	Adds a non-clickable title to the popup.
1130		1797
1131	$self->add_item ({	1798	=cut
1132	rend => { normal => "\x1b[0;30;47m", hover => "\x1b[0;30;47m", active => "\x1b[0;30;47m" },
1133	text => "",
1134	render => sub { $sep x $urxvt::TERM->ncol },
1135	activate => sub { },
1136	});
1137	}
1138		1799
1139	sub add_title {	1800	sub add_title {
1140	my ($self, $title) = @_;	1801	my ($self, $title) = @_;
1141		1802
1142	$self->add_item ({	1803	$self->add_item ({
…		…
1144	text => $title,	1805	text => $title,
1145	activate => sub { },	1806	activate => sub { },
1146	});	1807	});
1147	}	1808	}
1148		1809
		1810	=item $popup->add_separator ([$sepchr])
		1811
		1812	Creates a separator, optionally using the character given as C<$sepchr>.
		1813
		1814	=cut
		1815
		1816	sub add_separator {
		1817	my ($self, $sep) = @_;
		1818
		1819	$sep ||= "=";
		1820
		1821	$self->add_item ({
		1822	rend => { normal => "\x1b[0;30;47m", hover => "\x1b[0;30;47m", active => "\x1b[0;30;47m" },
		1823	text => "",
		1824	render => sub { $sep x $self->{term}->ncol },
		1825	activate => sub { },
		1826	});
		1827	}
		1828
		1829	=item $popup->add_button ($text, $cb)
		1830
		1831	Adds a clickable button to the popup. C<$cb> is called whenever it is
		1832	selected.
		1833
		1834	=cut
		1835
1149	sub add_button {	1836	sub add_button {
1150	my ($self, $text, $cb) = @_;	1837	my ($self, $text, $cb) = @_;
1151		1838
1152	$self->add_item ({ type => "button", text => "[ $text ]", activate => $cb});	1839	$self->add_item ({ type => "button", text => $text, activate => $cb});
1153	}	1840	}
		1841
		1842	=item $popup->add_toggle ($text, $initial_value, $cb)
		1843
		1844	Adds a toggle/checkbox item to the popup. The callback gets called
		1845	whenever it gets toggled, with a boolean indicating its new value as its
		1846	first argument.
		1847
		1848	=cut
1154		1849
1155	sub add_toggle {	1850	sub add_toggle {
1156	my ($self, $text, $cb, $value) = @_;	1851	my ($self, $text, $value, $cb) = @_;
1157		1852
1158	my $item; $item = {	1853	my $item; $item = {
1159	type => "button",	1854	type => "button",
1160	text => " $text",	1855	text => " $text",
1161	value => $value,	1856	value => $value,
1162	render => sub { ($item->{value} ? "* " : " ") . $text },	1857	render => sub { ($_[0]{value} ? "* " : " ") . $text },
1163	activate => sub { $cb->($item->{value} = !$item->{value}); },	1858	activate => sub { $cb->($_[1]{value} = !$_[1]{value}); },
1164	};	1859	};
1165		1860
1166	$self->add_item ($item);	1861	$self->add_item ($item);
1167	}	1862	}
		1863
		1864	=item $popup->show
		1865
		1866	Displays the popup (which is initially hidden).
		1867
		1868	=cut
1168		1869
1169	sub show {	1870	sub show {
1170	my ($self) = @_;	1871	my ($self) = @_;
1171		1872
1172	local $urxvt::popup::self = $self;	1873	local $urxvt::popup::self = $self;
1173		1874
1174	urxvt->new ("--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0,	1875	my $env = $self->{term}->env;
		1876	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
		1877	delete $env->{LC_ALL};
		1878	$env->{LC_CTYPE} = $self->{term}->locale;
		1879
		1880	urxvt::term->new ($env, "popup",
		1881	"--perl-lib" => "", "--perl-ext-common" => "",
		1882	"-pty-fd" => -1, "-sl" => 0,
		1883	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1175	"--transient-for" => $self->{term}->parent,	1884	"--transient-for" => $self->{term}->parent,
		1885	"-display" => $self->{term}->display_id,
1176	"-pe" => "urxvt-popup")	1886	"-pe" => "urxvt-popup")
1177	or die "unable to create popup window\n";	1887	or die "unable to create popup window\n";
1178	}	1888	}
1179		1889
1180	sub DESTROY {	1890	sub DESTROY {
1181	my ($self) = @_;	1891	my ($self) = @_;
1182		1892
		1893	delete $self->{term}{_destroy}{$self};
1183	$self->{term}->ungrab;	1894	$self->{term}->ungrab;
1184	}	1895	}
		1896
		1897	=back
		1898
		1899	=cut
		1900
		1901	package urxvt::watcher;
		1902
		1903	@urxvt::timer::ISA = __PACKAGE__;
		1904	@urxvt::iow::ISA = __PACKAGE__;
		1905	@urxvt::pw::ISA = __PACKAGE__;
		1906	@urxvt::iw::ISA = __PACKAGE__;
1185		1907
1186	=head2 The C<urxvt::timer> Class	1908	=head2 The C<urxvt::timer> Class
1187		1909
1188	This class implements timer watchers/events. Time is represented as a	1910	This class implements timer watchers/events. Time is represented as a
1189	fractional number of seconds since the epoch. Example:	1911	fractional number of seconds since the epoch. Example:
…		…
1228		1950
1229	=item $timer = $timer->start ($tstamp)	1951	=item $timer = $timer->start ($tstamp)
1230		1952
1231	Set the event trigger time to C<$tstamp> and start the timer.	1953	Set the event trigger time to C<$tstamp> and start the timer.
1232		1954
		1955	=item $timer = $timer->after ($delay)
		1956
		1957	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
		1958
1233	=item $timer = $timer->stop	1959	=item $timer = $timer->stop
1234		1960
1235	Stop the timer.	1961	Stop the timer.
1236		1962
1237	=back	1963	=back
…		…
1242		1968
1243	$term->{socket} = ...	1969	$term->{socket} = ...
1244	$term->{iow} = urxvt::iow	1970	$term->{iow} = urxvt::iow
1245	->new	1971	->new
1246	->fd (fileno $term->{socket})	1972	->fd (fileno $term->{socket})
1247	->events (1) # wait for read data	1973	->events (urxvt::EVENT_READ)
1248	->start	1974	->start
1249	->cb (sub {	1975	->cb (sub {
1250	my ($iow, $revents) = @_;	1976	my ($iow, $revents) = @_;
1251	# $revents must be 1 here, no need to check	1977	# $revents must be 1 here, no need to check
1252	sysread $term->{socket}, my $buf, 8192	1978	sysread $term->{socket}, my $buf, 8192
…		…
1269		1995
1270	Set the filedescriptor (not handle) to watch.	1996	Set the filedescriptor (not handle) to watch.
1271		1997
1272	=item $iow = $iow->events ($eventmask)	1998	=item $iow = $iow->events ($eventmask)
1273		1999
1274	Set the event mask to watch. Bit #0 (value C<1>) enables watching for read	2000	Set the event mask to watch. The only allowed values are
1275	data, Bit #1 (value C<2>) enables watching for write data.	2001	C<urxvt::EVENT_READ> and C<urxvt::EVENT_WRITE>, which might be ORed
		2002	together, or C<urxvt::EVENT_NONE>.
1276		2003
1277	=item $iow = $iow->start	2004	=item $iow = $iow->start
1278		2005
1279	Start watching for requested events on the given handle.	2006	Start watching for requested events on the given handle.
1280		2007
1281	=item $iow = $iow->stop	2008	=item $iow = $iow->stop
1282		2009
1283	Stop watching for events on the given filehandle.	2010	Stop watching for events on the given filehandle.
		2011
		2012	=back
		2013
		2014	=head2 The C<urxvt::iw> Class
		2015
		2016	This class implements idle watchers, that get called automatically when
		2017	the process is idle. They should return as fast as possible, after doing
		2018	some useful work.
		2019
		2020	=over 4
		2021
		2022	=item $iw = new urxvt::iw
		2023
		2024	Create a new idle watcher object in stopped state.
		2025
		2026	=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
		2027
		2028	Set the callback to be called when the watcher triggers.
		2029
		2030	=item $timer = $timer->start
		2031
		2032	Start the watcher.
		2033
		2034	=item $timer = $timer->stop
		2035
		2036	Stop the watcher.
		2037
		2038	=back
		2039
		2040	=head2 The C<urxvt::pw> Class
		2041
		2042	This class implements process watchers. They create an event whenever a
		2043	process exits, after which they stop automatically.
		2044
		2045	my $pid = fork;
		2046	...
		2047	$term->{pw} = urxvt::pw
		2048	->new
		2049	->start ($pid)
		2050	->cb (sub {
		2051	my ($pw, $exit_status) = @_;
		2052	...
		2053	});
		2054
		2055	=over 4
		2056
		2057	=item $pw = new urxvt::pw
		2058
		2059	Create a new process watcher in stopped state.
		2060
		2061	=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
		2062
		2063	Set the callback to be called when the timer triggers.
		2064
		2065	=item $pw = $timer->start ($pid)
		2066
		2067	Tells the wqtcher to start watching for process C<$pid>.
		2068
		2069	=item $pw = $pw->stop
		2070
		2071	Stop the watcher.
1284		2072
1285	=back	2073	=back
1286		2074
1287	=head1 ENVIRONMENT	2075	=head1 ENVIRONMENT
1288		2076
…		…
1291	This variable controls the verbosity level of the perl extension. Higher	2079	This variable controls the verbosity level of the perl extension. Higher
1292	numbers indicate more verbose output.	2080	numbers indicate more verbose output.
1293		2081
1294	=over 4	2082	=over 4
1295		2083
1296	=item =0 - only fatal messages	2084	=item == 0 - fatal messages
1297		2085
1298	=item =3 - script loading and management	2086	=item >= 3 - script loading and management
1299		2087
1300	=item =10 - all events received	2088	=item >=10 - all called hooks
		2089
		2090	=item >=11 - hook reutrn values
1301		2091
1302	=back	2092	=back
1303		2093
1304	=head1 AUTHOR	2094	=head1 AUTHOR
1305		2095

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