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Comparing rxvt-unicode/src/urxvt.pm (file contents):
Revision 1.64 by root, Mon Jan 9 06:29:47 2006 UTC vs.
Revision 1.143 by root, Thu Jul 6 23:48:11 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
71	=item digital-clock	122	Other extensions can extend this popup menu by pushing a code reference
		123	onto C<@{ $term->{selection_popup_hook} }>, which gets called whenever the
		124	popup is being displayed.
72		125
73	Displays a digital clock using the built-in overlay.	126	It's sole argument is the popup menu, which can be modified. The selection
		127	is in C<$_>, 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	The regex defaults to "(?i)", resulting in a case-insensitive search. To
		157	get a case-sensitive search you can delete this prefix using C<BackSpace>
		158	or simply use an uppercase character which removes the "(?i)" prefix.
		159
		160	See L<perlre> for more info about perl regular expression syntax.
		161
		162	=item readline (enabled by default)
		163
		164	A support package that tries to make editing with readline easier. At
		165	the moment, it reacts to clicking shift-left mouse button by trying to
		166	move the text cursor to this position. It does so by generating as many
		167	cursor-left or cursor-right keypresses as required (the this only works
		168	for programs that correctly support wide characters).
		169
		170	To avoid too many false positives, this is only done when:
		171
		172	=over 4
		173
		174	=item - the tty is in ICANON state.
		175
		176	=item - the text cursor is visible.
		177
		178	=item - the primary screen is currently being displayed.
		179
		180	=item - the mouse is on the same (multi-row-) line as the text cursor.
		181
		182	=back
		183
		184	The normal selection mechanism isn't disabled, so quick successive clicks
		185	might interfere with selection creation in harmless ways.
		186
		187	=item selection-autotransform
		188
		189	This selection allows you to do automatic transforms on a selection
		190	whenever a selection is made.
		191
		192	It works by specifying perl snippets (most useful is a single C<s///>
		193	operator) that modify C<$_> as resources:
		194
		195	URxvt.selection-autotransform.0: transform
		196	URxvt.selection-autotransform.1: transform
		197	...
		198
		199	For example, the following will transform selections of the form
		200	C<filename:number>, often seen in compiler messages, into C<vi +$filename
		201	$word>:
		202
		203	URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/
		204
		205	And this example matches the same,but replaces it with vi-commands you can
		206	paste directly into your (vi :) editor:
		207
		208	URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/:e \\Q$1\\E\\x0d:$2\\x0d/
		209
		210	Of course, this can be modified to suit your needs and your editor :)
		211
		212	To expand the example above to typical perl error messages ("XXX at
		213	FILENAME line YYY."), you need a slightly more elaborate solution:
		214
		215	URxvt.selection.pattern-0: ( at .*? line \\d+[,.])
		216	URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)[,.]$/:e \\Q$1\E\\x0d:$2\\x0d/
		217
		218	The first line tells the selection code to treat the unchanging part of
		219	every error message as a selection pattern, and the second line transforms
		220	the message into vi commands to load the file.
		221
		222	=item tabbed
		223
		224	This transforms the terminal into a tabbar with additional terminals, that
		225	is, it implements what is commonly refered to as "tabbed terminal". The topmost line
		226	displays a "[NEW]" button, which, when clicked, will add a new tab, followed by one
		227	button per tab.
		228
		229	Clicking a button will activate that tab. Pressing B<Shift-Left> and
		230	B<Shift-Right> will switch to the tab left or right of the current one,
		231	while B<Shift-Down> creates a new tab.
		232
		233	The tabbar itself can be configured similarly to a normal terminal, but
		234	with a resource class of C<URxvt.tabbed>. In addition, it supports the
		235	following four resources (shown with defaults):
		236
		237	URxvt.tabbed.tabbar-fg: <colour-index, default 3>
		238	URxvt.tabbed.tabbar-bg: <colour-index, default 0>
		239	URxvt.tabbed.tab-fg: <colour-index, default 0>
		240	URxvt.tabbed.tab-bg: <colour-index, default 1>
		241
		242	See I<COLOR AND GRAPHICS> in the @@RXVT_NAME@@(1) manpage for valid
		243	indices.
74		244
75	=item mark-urls	245	=item mark-urls
76		246
77	Uses per-line display filtering (C<on_line_update>) to underline urls.	247	Uses per-line display filtering (C<on_line_update>) to underline urls and
		248	make them clickable. When middle-clicked, the program specified in the
		249	resource C<urlLauncher> (default C<x-www-browser>) will be started with
		250	the URL as first argument.
		251
		252	=item xim-onthespot
		253
		254	This (experimental) perl extension implements OnTheSpot editing. It does
		255	not work perfectly, and some input methods don't seem to work well with
		256	OnTheSpot editing in general, but it seems to work at leats for SCIM and
		257	kinput2.
		258
		259	You enable it by specifying this extension and a preedit style of
		260	C<OnTheSpot>, i.e.:
		261
		262	@@RXVT_NAME@@ -pt OnTheSpot -pe xim-onthespot
		263
		264	=item kuake<hotkey>
		265
		266	A very primitive quake-console-like extension. It was inspired by a
		267	description of how the programs C<kuake> and C<yakuake> work: Whenever the
		268	user presses a global accelerator key (by default C<F10>), the terminal
		269	will show or hide itself. Another press of the accelerator key will hide
		270	or show it again.
		271
		272	Initially, the window will not be shown when using this extension.
		273
		274	This is useful if you need a single terminal thats not using any desktop
		275	space most of the time but is quickly available at the press of a key.
		276
		277	The accelerator key is grabbed regardless of any modifers, so this
		278	extension will actually grab a physical key just for this function.
		279
		280	If you want a quake-like animation, tell your window manager to do so
		281	(fvwm can do it).
		282
		283	=item automove-background
		284
		285	This is basically a very small extension that dynamically changes the
		286	background pixmap offset to the window position, in effect creating the
		287	same effect as pseudo transparency with a custom pixmap. No scaling is
		288	supported in this mode. Exmaple:
		289
		290	@@RXVT_NAME@@ -pixmap background.xpm -pe automove-background
78		291
79	=item block-graphics-to-ascii	292	=item block-graphics-to-ascii
80		293
81	A not very useful example of filtering all text output to the terminal,	294	A not very useful example of filtering all text output to the terminal
82	by replacing all line-drawing characters (U+2500 .. U+259F) by a	295	by replacing all line-drawing characters (U+2500 .. U+259F) by a
83	similar-looking ascii character.	296	similar-looking ascii character.
		297
		298	=item digital-clock
		299
		300	Displays a digital clock using the built-in overlay.
		301
		302	=item remote-clipboard
		303
		304	Somewhat of a misnomer, this extension adds two menu entries to the
		305	selection popup that allows one ti run external commands to store the
		306	selection somewhere and fetch it again.
		307
		308	We use it to implement a "distributed selection mechanism", which just
		309	means that one command uploads the file to a remote server, and another
		310	reads it.
		311
		312	The commands can be set using the C<URxvt.remote-selection.store> and
		313	C<URxvt.remote-selection.fetch> resources. The first should read the
		314	selection to store from STDIN (always in UTF-8), the second should provide
		315	the selection data on STDOUT (also in UTF-8).
		316
		317	The defaults (which are likely useless to you) use rsh and cat:
		318
		319	URxvt.remote-selection.store: rsh ruth 'cat >/tmp/distributed-selection'
		320	URxvt.remote-selection.fetch: rsh ruth 'cat /tmp/distributed-selection'
		321
		322	=item selection-pastebin
		323
		324	This is a little rarely useful extension that Uploads the selection as
		325	textfile to a remote site (or does other things). (The implementation is
		326	not currently secure for use in a multiuser environment as it writes to
		327	F</tmp> directly.).
		328
		329	It listens to the C<selection-pastebin:remote-pastebin> keyboard command,
		330	i.e.
		331
		332	URxvt.keysym.C-M-e: perl:selection-pastebin:remote-pastebin
		333
		334	Pressing this combination runs a command with C<%> replaced by the name of
		335	the textfile. This command can be set via a resource:
		336
		337	URxvt.selection-pastebin.cmd: rsync -apP % ruth:/var/www/www.ta-sa.org/files/txt/.
		338
		339	And the default is likely not useful to anybody but the few people around
		340	here :)
		341
		342	The name of the textfile is the hex encoded md5 sum of the selection, so
		343	the same content should lead to the same filename.
		344
		345	After a successful upload the selection will be replaced by the text given
		346	in the C<selection-pastebin-url> resource (again, the % is the placeholder
		347	for the filename):
		348
		349	URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/%
84		350
85	=item example-refresh-hooks	351	=item example-refresh-hooks
86		352
87	Displays a very simple digital clock in the upper right corner of the	353	Displays a very simple digital clock in the upper right corner of the
88	window. Illustrates overwriting the refresh callbacks to create your own	354	window. Illustrates overwriting the refresh callbacks to create your own
89	overlays or changes.	355	overlays or changes.
90		356
91	=back	357	=back
		358
		359	=head1 API DOCUMENTATION
92		360
93	=head2 General API Considerations	361	=head2 General API Considerations
94		362
95	All objects (such as terminals, time watchers etc.) are typical	363	All objects (such as terminals, time watchers etc.) are typical
96	reference-to-hash objects. The hash can be used to store anything you	364	reference-to-hash objects. The hash can be used to store anything you
…		…
109	=over 4	377	=over 4
110		378
111	=item $text	379	=item $text
112		380
113	Rxvt-unicodes special way of encoding text, where one "unicode" character	381	Rxvt-unicodes special way of encoding text, where one "unicode" character
114	always represents one screen cell. See L<row_t> for a discussion of this format.	382	always represents one screen cell. See L<ROW_t> for a discussion of this format.
115		383
116	=item $string	384	=item $string
117		385
118	A perl text string, with an emphasis on I<text>. It can store all unicode	386	A perl text string, with an emphasis on I<text>. It can store all unicode
119	characters and is to be distinguished with text encoded in a specific	387	characters and is to be distinguished with text encoded in a specific
…		…
124	Either binary data or - more common - a text string encoded in a	392	Either binary data or - more common - a text string encoded in a
125	locale-specific way.	393	locale-specific way.
126		394
127	=back	395	=back
128		396
		397	=head2 Extension Objects
		398
		399	Every perl extension is a perl class. A separate perl object is created
		400	for each terminal and each extension and passed as the first parameter to
		401	hooks. So extensions can use their C<$self> object without having to think
		402	about other extensions, with the exception of methods and members that
		403	begin with an underscore character C<_>: these are reserved for internal
		404	use.
		405
		406	Although it isn't a C<urxvt::term> object, you can call all methods of the
		407	C<urxvt::term> class on this object.
		408
		409	It has the following methods and data members:
		410
		411	=over 4
		412
		413	=item $urxvt_term = $self->{term}
		414
		415	Returns the C<urxvt::term> object associated with this instance of the
		416	extension. This member I<must not> be changed in any way.
		417
		418	=item $self->enable ($hook_name => $cb, [$hook_name => $cb..])
		419
		420	Dynamically enable the given hooks (named without the C<on_> prefix) for
		421	this extension, replacing any previous hook. This is useful when you want
		422	to overwrite time-critical hooks only temporarily.
		423
		424	=item $self->disable ($hook_name[, $hook_name..])
		425
		426	Dynamically disable the given hooks.
		427
		428	=back
		429
129	=head2 Hooks	430	=head2 Hooks
130		431
131	The following subroutines can be declared in extension files, and will be	432	The following subroutines can be declared in extension files, and will be
132	called whenever the relevant event happens.	433	called whenever the relevant event happens.
133		434
134	The first argument passed to them is an object private to each terminal	435	The first argument passed to them is an extension oject as described in
135	and extension package. You can call all C<urxvt::term> methods on it, but	436	the in the C<Extension Objects> section.
136	its not a real C<urxvt::term> object. Instead, the real C<urxvt::term>
137	object that is shared between all packages is stored in the C<term>
138	member. It is, however, blessed intot he package of the extension script,
139	so for all practical purposes you can treat an extension script as a class.
140		437
141	All of them must return a boolean value. If it is true, then the event	438	B<All> of these hooks must return a boolean value. If any of the called
142	counts as being I<consumed>, and the invocation of other hooks is skipped,	439	hooks returns true, then the event counts as being I<consumed>, and the
143	and the relevant action might not be carried out by the C++ code.	440	relevant action might not be carried out by the C++ code.
144		441
145	When in doubt, return a false value (preferably C<()>).	442	I<< When in doubt, return a false value (preferably C<()>). >>
146		443
147	=over 4	444	=over 4
148		445
149	=item on_init $term	446	=item on_init $term
150		447
151	Called after a new terminal object has been initialized, but before	448	Called after a new terminal object has been initialized, but before
152	windows are created or the command gets run. Most methods are unsafe to	449	windows are created or the command gets run. Most methods are unsafe to
153	call or deliver senseless data, as terminal size and other characteristics	450	call or deliver senseless data, as terminal size and other characteristics
154	have not yet been determined. You can safely query and change resources,	451	have not yet been determined. You can safely query and change resources
155	though.	452	and options, though. For many purposes the C<on_start> hook is a better
		453	place.
		454
		455	=item on_start $term
		456
		457	Called at the very end of initialisation of a new terminal, just before
		458	trying to map (display) the toplevel and returning to the mainloop.
		459
		460	=item on_destroy $term
		461
		462	Called whenever something tries to destroy terminal, when the terminal is
		463	still fully functional (not for long, though).
156		464
157	=item on_reset $term	465	=item on_reset $term
158		466
159	Called after the screen is "reset" for any reason, such as resizing or	467	Called after the screen is "reset" for any reason, such as resizing or
160	control sequences. Here is where you can react on changes to size-related	468	control sequences. Here is where you can react on changes to size-related
161	variables.	469	variables.
162		470
163	=item on_start $term	471	=item on_child_start $term, $pid
164		472
165	Called at the very end of initialisation of a new terminal, just before	473	Called just after the child process has been C<fork>ed.
166	returning to the mainloop.	474
		475	=item on_child_exit $term, $status
		476
		477	Called just after the child process has exited. C<$status> is the status
		478	from C<waitpid>.
167		479
168	=item on_sel_make $term, $eventtime	480	=item on_sel_make $term, $eventtime
169		481
170	Called whenever a selection has been made by the user, but before the	482	Called whenever a selection has been made by the user, but before the
171	selection text is copied, so changes to the beginning, end or type of the	483	selection text is copied, so changes to the beginning, end or type of the
…		…
185	=item on_sel_extend $term	497	=item on_sel_extend $term
186		498
187	Called whenever the user tries to extend the selection (e.g. with a double	499	Called whenever the user tries to extend the selection (e.g. with a double
188	click) and is either supposed to return false (normal operation), or	500	click) and is either supposed to return false (normal operation), or
189	should extend the selection itelf and return true to suppress the built-in	501	should extend the selection itelf and return true to suppress the built-in
190	processing.	502	processing. This can happen multiple times, as long as the callback
		503	returns true, it will be called on every further click by the user and is
		504	supposed to enlarge the selection more and more, if possible.
191		505
192	See the F<selection> example extension.	506	See the F<selection> example extension.
193		507
194	=item on_view_change $term, $offset	508	=item on_view_change $term, $offset
195		509
…		…
205		519
206	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,	520	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,
207	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total	521	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total
208	number of lines that will be in the scrollback buffer.	522	number of lines that will be in the scrollback buffer.
209		523
		524	=item on_osc_seq $term, $op, $args
		525
		526	Called on every OSC sequence and can be used to suppress it or modify its
		527	behaviour. The default should be to return an empty list. A true value
		528	suppresses execution of the request completely. Make sure you don't get
		529	confused by recursive invocations when you output an osc sequence within
		530	this callback.
		531
		532	C<on_osc_seq_perl> should be used for new behaviour.
		533
210	=item on_osc_seq $term, $string	534	=item on_osc_seq_perl $term, $string
211		535
212	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =	536	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
213	operating system command) is processed. Cursor position and other state	537	operating system command) is processed. Cursor position and other state
214	information is up-to-date when this happens. For interoperability, the	538	information is up-to-date when this happens. For interoperability, the
215	string should start with the extension name and a colon, to distinguish	539	string should start with the extension name and a colon, to distinguish
…		…
226	can filter/change and output the text yourself by returning a true value	550	can filter/change and output the text yourself by returning a true value
227	and calling C<< $term->scr_add_lines >> yourself. Please note that this	551	and calling C<< $term->scr_add_lines >> yourself. Please note that this
228	might be very slow, however, as your hook is called for B<all> text being	552	might be very slow, however, as your hook is called for B<all> text being
229	output.	553	output.
230		554
		555	=item on_tt_write $term, $octets
		556
		557	Called whenever some data is written to the tty/pty and can be used to
		558	suppress or filter tty input.
		559
231	=item on_line_update $term, $row	560	=item on_line_update $term, $row
232		561
233	Called whenever a line was updated or changed. Can be used to filter	562	Called whenever a line was updated or changed. Can be used to filter
234	screen output (e.g. underline urls or other useless stuff). Only lines	563	screen output (e.g. underline urls or other useless stuff). Only lines
235	that are being shown will be filtered, and, due to performance reasons,	564	that are being shown will be filtered, and, due to performance reasons,
…		…
251		580
252	=item on_refresh_end $term	581	=item on_refresh_end $term
253		582
254	Called just after the screen gets redrawn. See C<on_refresh_begin>.	583	Called just after the screen gets redrawn. See C<on_refresh_begin>.
255		584
256	=item on_keyboard_command $term, $string	585	=item on_user_command $term, $string
257		586
258	Called whenever the user presses a key combination that has a	587	Called whenever the a user-configured event is being activated (e.g. via
259	C<perl:string> action bound to it (see description of the B<keysym>	588	a C<perl:string> action bound to a key, see description of the B<keysym>
260	resource in the @@RXVT_NAME@@(1) manpage).	589	resource in the @@RXVT_NAME@@(1) manpage).
		590
		591	The event is simply the action string. This interface is assumed to change
		592	slightly in the future.
		593
		594	=item on_resize_all_windows $tern, $new_width, $new_height
		595
		596	Called just after the new window size has been calculcated, but before
		597	windows are actually being resized or hints are being set. If this hook
		598	returns TRUE, setting of the window hints is being skipped.
		599
		600	=item on_x_event $term, $event
		601
		602	Called on every X event received on the vt window (and possibly other
		603	windows). Should only be used as a last resort. Most event structure
		604	members are not passed.
		605
		606	=item on_root_event $term, $event
		607
		608	Like C<on_x_event>, but is called for events on the root window.
261		609
262	=item on_focus_in $term	610	=item on_focus_in $term
263		611
264	Called whenever the window gets the keyboard focus, before rxvt-unicode	612	Called whenever the window gets the keyboard focus, before rxvt-unicode
265	does focus in processing.	613	does focus in processing.
…		…
267	=item on_focus_out $term	615	=item on_focus_out $term
268		616
269	Called wheneever the window loses keyboard focus, before rxvt-unicode does	617	Called wheneever the window loses keyboard focus, before rxvt-unicode does
270	focus out processing.	618	focus out processing.
271		619
		620	=item on_configure_notify $term, $event
		621
		622	=item on_property_notify $term, $event
		623
272	=item on_key_press $term, $event, $octets	624	=item on_key_press $term, $event, $keysym, $octets
273		625
274	=item on_key_release $term, $event	626	=item on_key_release $term, $event, $keysym
275		627
276	=item on_button_press $term, $event	628	=item on_button_press $term, $event
277		629
278	=item on_button_release $term, $event	630	=item on_button_release $term, $event
279		631
…		…
285		637
286	Called whenever the corresponding X event is received for the terminal If	638	Called whenever the corresponding X event is received for the terminal If
287	the hook returns true, then the even will be ignored by rxvt-unicode.	639	the hook returns true, then the even will be ignored by rxvt-unicode.
288		640
289	The event is a hash with most values as named by Xlib (see the XEvent	641	The event is a hash with most values as named by Xlib (see the XEvent
290	manpage), with the additional members C<row> and C<col>, which are the row	642	manpage), with the additional members C<row> and C<col>, which are the
291	and column under the mouse cursor.	643	(real, not screen-based) row and column under the mouse cursor.
292		644
293	C<on_key_press> additionally receives the string rxvt-unicode would	645	C<on_key_press> additionally receives the string rxvt-unicode would
294	output, if any, in locale-specific encoding.	646	output, if any, in locale-specific encoding.
295		647
296	subwindow.	648	subwindow.
297		649
		650	=item on_client_message $term, $event
		651
		652	=item on_wm_protocols $term, $event
		653
		654	=item on_wm_delete_window $term, $event
		655
		656	Called when various types of ClientMessage events are received (all with
		657	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
		658
298	=back	659	=back
299		660
		661	=cut
		662
		663	package urxvt;
		664
		665	use utf8;
		666	use strict;
		667	use Carp ();
		668	use Scalar::Util ();
		669	use List::Util ();
		670
		671	our $VERSION = 1;
		672	our $TERM;
		673	our @TERM_INIT;
		674	our @TERM_EXT;
		675	our @HOOKNAME;
		676	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
		677	our %OPTION;
		678
		679	our $LIBDIR;
		680	our $RESNAME;
		681	our $RESCLASS;
		682	our $RXVTNAME;
		683
		684	our $NOCHAR = chr 0xffff;
		685
300	=head2 Variables in the C<urxvt> Package	686	=head2 Variables in the C<urxvt> Package
301		687
302	=over 4	688	=over 4
		689
		690	=item $urxvt::LIBDIR
		691
		692	The rxvt-unicode library directory, where, among other things, the perl
		693	modules and scripts are stored.
		694
		695	=item $urxvt::RESCLASS, $urxvt::RESCLASS
		696
		697	The resource class and name rxvt-unicode uses to look up X resources.
		698
		699	=item $urxvt::RXVTNAME
		700
		701	The basename of the installed binaries, usually C<urxvt>.
303		702
304	=item $urxvt::TERM	703	=item $urxvt::TERM
305		704
306	The current terminal. This variable stores the current C<urxvt::term>	705	The current terminal. This variable stores the current C<urxvt::term>
307	object, whenever a callback/hook is executing.	706	object, whenever a callback/hook is executing.
308		707
		708	=item @urxvt::TERM_INIT
		709
		710	All coderefs in this array will be called as methods of the next newly
		711	created C<urxvt::term> object (during the C<on_init> phase). The array
		712	gets cleared before the codereferences that were in it are being executed,
		713	so coderefs can push themselves onto it again if they so desire.
		714
		715	This complements to the perl-eval commandline option, but gets executed
		716	first.
		717
		718	=item @urxvt::TERM_EXT
		719
		720	Works similar to C<@TERM_INIT>, but contains perl package/class names, which
		721	get registered as normal extensions after calling the hooks in C<@TERM_INIT>
		722	but before other extensions. Gets cleared just like C<@TERM_INIT>.
		723
309	=back	724	=back
310		725
311	=head2 Functions in the C<urxvt> Package	726	=head2 Functions in the C<urxvt> Package
312		727
313	=over 4	728	=over 4
314
315	=item $term = new urxvt [arg...]
316
317	Creates a new terminal, very similar as if you had started it with
318	C<system $binfile, arg...>. Croaks (and probably outputs an error message)
319	if the new instance couldn't be created. Returns C<undef> if the new
320	instance didn't initialise perl, and the terminal object otherwise. The
321	C<init> and C<start> hooks will be called during the call.
322		729
323	=item urxvt::fatal $errormessage	730	=item urxvt::fatal $errormessage
324		731
325	Fatally aborts execution with the given error message. Avoid at all	732	Fatally aborts execution with the given error message. Avoid at all
326	costs! The only time this is acceptable is when the terminal process	733	costs! The only time this is acceptable is when the terminal process
…		…
333	that calls this function.	740	that calls this function.
334		741
335	Using this function has the advantage that its output ends up in the	742	Using this function has the advantage that its output ends up in the
336	correct place, e.g. on stderr of the connecting urxvtc client.	743	correct place, e.g. on stderr of the connecting urxvtc client.
337		744
338	=item $is_safe = urxvt::safe	745	Messages have a size limit of 1023 bytes currently.
339		746
340	Returns true when it is safe to do potentially unsafe things, such as	747	=item @terms = urxvt::termlist
341	evaluating perl code specified by the user. This is true when urxvt was	748
342	started setuid or setgid.	749	Returns all urxvt::term objects that exist in this process, regardless of
		750	wether they are started, being destroyed etc., so be careful. Only term
		751	objects that have perl extensions attached will be returned (because there
		752	is no urxvt::term objet associated with others).
343		753
344	=item $time = urxvt::NOW	754	=item $time = urxvt::NOW
345		755
346	Returns the "current time" (as per the event loop).	756	Returns the "current time" (as per the event loop).
347		757
348	=item urxvt::CurrentTime	758	=item urxvt::CurrentTime
349		759
350	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,	760	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
351	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,	761	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
352	Button4Mask, Button5Mask, AnyModifier	762	Button4Mask, Button5Mask, AnyModifier
		763
		764	=item urxvt::NoEventMask, KeyPressMask, KeyReleaseMask,
		765	ButtonPressMask, ButtonReleaseMask, EnterWindowMask, LeaveWindowMask,
		766	PointerMotionMask, PointerMotionHintMask, Button1MotionMask, Button2MotionMask,
		767	Button3MotionMask, Button4MotionMask, Button5MotionMask, ButtonMotionMask,
		768	KeymapStateMask, ExposureMask, VisibilityChangeMask, StructureNotifyMask,
		769	ResizeRedirectMask, SubstructureNotifyMask, SubstructureRedirectMask,
		770	FocusChangeMask, PropertyChangeMask, ColormapChangeMask, OwnerGrabButtonMask
		771
		772	=item urxvt::KeyPress, KeyRelease, ButtonPress, ButtonRelease, MotionNotify,
		773	EnterNotify, LeaveNotify, FocusIn, FocusOut, KeymapNotify, Expose,
		774	GraphicsExpose, NoExpose, VisibilityNotify, CreateNotify, DestroyNotify,
		775	UnmapNotify, MapNotify, MapRequest, ReparentNotify, ConfigureNotify,
		776	ConfigureRequest, GravityNotify, ResizeRequest, CirculateNotify,
		777	CirculateRequest, PropertyNotify, SelectionClear, SelectionRequest,
		778	SelectionNotify, ColormapNotify, ClientMessage, MappingNotify
353		779
354	Various constants for use in X calls and event processing.	780	Various constants for use in X calls and event processing.
355		781
356	=back	782	=back
357		783
…		…
386		812
387	=item $background = urxvt::GET_BASEBG $rend	813	=item $background = urxvt::GET_BASEBG $rend
388		814
389	Return the foreground/background colour index, respectively.	815	Return the foreground/background colour index, respectively.
390		816
391	=item $rend = urxvt::SET_FGCOLOR ($rend, $new_colour)	817	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour
392		818
393	=item $rend = urxvt::SET_BGCOLOR ($rend, $new_colour)	819	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour
		820
		821	=item $rend = urxvt::SET_COLOR $rend, $new_fg, $new_bg
394		822
395	Replace the foreground/background colour in the rendition mask with the	823	Replace the foreground/background colour in the rendition mask with the
396	specified one.	824	specified one.
397		825
398	=item $value = urxvt::GET_CUSTOM ($rend)	826	=item $value = urxvt::GET_CUSTOM $rend
399		827
400	Return the "custom" value: Every rendition has 5 bits for use by	828	Return the "custom" value: Every rendition has 5 bits for use by
401	extensions. They can be set and changed as you like and are initially	829	extensions. They can be set and changed as you like and are initially
402	zero.	830	zero.
403		831
404	=item $rend = urxvt::SET_CUSTOM ($rend, $new_value)	832	=item $rend = urxvt::SET_CUSTOM $rend, $new_value
405		833
406	Change the custom value.	834	Change the custom value.
407		835
408	=back	836	=back
409		837
410	=cut	838	=cut
411		839
412	package urxvt;
413
414	use utf8;
415	use strict;
416	use Scalar::Util ();
417	use List::Util ();
418
419	our $VERSION = 1;
420	our $TERM;
421	our @HOOKNAME;
422	our %OPTION;
423	our $LIBDIR;
424
425	BEGIN {	840	BEGIN {
426	urxvt->bootstrap;
427
428	# overwrite perl's warn	841	# overwrite perl's warn
429	*CORE::GLOBAL::warn = sub {	842	*CORE::GLOBAL::warn = sub {
430	my $msg = join "", @_;	843	my $msg = join "", @_;
431	$msg .= "\n"	844	$msg .= "\n"
432	unless $msg =~ /\n$/;	845	unless $msg =~ /\n$/;
433	urxvt::warn ($msg);	846	urxvt::warn ($msg);
434	};	847	};
435
436	delete $ENV{IFS};
437	delete $ENV{CDPATH};
438	delete $ENV{BASH_ENV};
439	$ENV{PATH} = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin:/opt/sbin";
440	}	848	}
441		849
442	my @hook_count;	850	no warnings 'utf8';
		851
443	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};	852	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
444		853
445	sub verbose {	854	sub verbose {
446	my ($level, $msg) = @_;	855	my ($level, $msg) = @_;
447	warn "$msg\n" if $level <= $verbosity;	856	warn "$msg\n" if $level <= $verbosity;
448	}	857	}
449		858
450	# find on_xxx subs in the package and register them
451	# as hooks
452	sub register_package($) {
453	my ($pkg) = @_;
454
455	for my $htype (0.. $#HOOKNAME) {
456	my $name = $HOOKNAME[$htype];
457
458	my $ref = $pkg->can ("on_" . lc $name)
459	or next;
460
461	$TERM->{_hook}[$htype]{$pkg} = $ref;
462	$hook_count[$htype]++
463	or set_should_invoke $htype, 1;
464	}
465	}
466
467	my $extension_pkg = "extension0000";
468	my %extension_pkg;	859	my %extension_pkg;
469		860
470	# load a single script into its own package, once only	861	# load a single script into its own package, once only
471	sub extension_package($) {	862	sub extension_package($) {
472	my ($path) = @_;	863	my ($path) = @_;
473		864
474	$extension_pkg{$path} ||= do {	865	$extension_pkg{$path} ||= do {
475	my $pkg = "urxvt::" . ($extension_pkg++);	866	$path =~ /([^\/\\]+)$/;
		867	my $pkg = $1;
		868	$pkg =~ s/[^[:word:]]/_/g;
		869	$pkg = "urxvt::ext::$pkg";
476		870
477	verbose 3, "loading extension '$path' into package '$pkg'";	871	verbose 3, "loading extension '$path' into package '$pkg'";
478		872
479	open my $fh, "<:raw", $path	873	open my $fh, "<:raw", $path
480	or die "$path: $!";	874	or die "$path: $!";
481		875
482	my $source = untaint "package $pkg; use strict; use utf8;\n"	876	my $source =
483	. "use base urxvt::term::proxy::;\n"	877	"package $pkg; use strict; use utf8; no warnings 'utf8';\n"
484	. "#line 1 \"$path\"\n{\n"	878	. "#line 1 \"$path\"\n{\n"
485	. (do { local $/; <$fh> })	879	. (do { local $/; <$fh> })
486	. "\n};\n1";	880	. "\n};\n1";
487		881
		882	eval $source
488	eval $source or die "$path: $@";	883	or die "$path: $@";
489		884
490	$pkg	885	$pkg
491	}	886	}
492	}	887	}
493		888
…		…
499	my $htype = shift;	894	my $htype = shift;
500		895
501	if ($htype == 0) { # INIT	896	if ($htype == 0) { # INIT
502	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");	897	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
503		898
504	my %want_ext;	899	my %ext_arg;
505		900
		901	{
		902	my @init = @TERM_INIT;
		903	@TERM_INIT = ();
		904	$_->($TERM) for @init;
		905	my @pkg = @TERM_EXT;
		906	@TERM_EXT = ();
		907	$TERM->register_package ($_) for @pkg;
		908	}
		909
506	for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {	910	for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
507	if ($_ eq "default") {	911	if ($_ eq "default") {
508	$want_ext{$_}++ for qw(selection option-popup selection-popup);	912	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline);
509	} elsif (/^-(.*)$/) {	913	} elsif (/^-(.*)$/) {
510	delete $want_ext{$1};	914	delete $ext_arg{$1};
		915	} elsif (/^([^<]+)<(.*)>$/) {
		916	push @{ $ext_arg{$1} }, $2;
511	} else {	917	} else {
512	$want_ext{$_}++;	918	$ext_arg{$_} ||= [];
513	}	919	}
514	}	920	}
515		921
516	for my $ext (keys %want_ext) {	922	for my $ext (sort keys %ext_arg) {
517	my @files = grep -f $_, map "$_/$ext", @dirs;	923	my @files = grep -f $_, map "$_/$ext", @dirs;
518		924
519	if (@files) {	925	if (@files) {
520	register_package extension_package $files[0];	926	$TERM->register_package (extension_package $files[0], $ext_arg{$ext});
521	} else {	927	} else {
522	warn "perl extension '$ext' not found in perl library search path\n";	928	warn "perl extension '$ext' not found in perl library search path\n";
523	}	929	}
524	}	930	}
525		931
…		…
531		937
532	if (my $cb = $TERM->{_hook}[$htype]) {	938	if (my $cb = $TERM->{_hook}[$htype]) {
533	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"	939	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
534	if $verbosity >= 10;	940	if $verbosity >= 10;
535		941
536	keys %$cb;	942	for my $pkg (keys %$cb) {
		943	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg}, @_) };
		944	$retval ||= $retval_;
537		945
538	while (my ($pkg, $cb) = each %$cb) {
539	eval {
540	$retval = $cb->(
541	$TERM->{_pkg}{$pkg} ||= do {
542	my $proxy = bless { }, $pkg;
543	Scalar::Util::weaken ($proxy->{term} = $TERM);
544	$proxy
545	},
546	@_,
547	) and last;
548	};
549	if ($@) {	946	if ($@) {
550	$TERM->ungrab; # better to lose the grab than the session	947	$TERM->ungrab; # better to lose the grab than the session
551	warn $@;	948	warn $@;
552	}	949	}
553	}	950	}
		951
		952	verbose 11, "$HOOKNAME[$htype] returning <$retval>"
		953	if $verbosity >= 11;
554	}	954	}
555		955
556	if ($htype == 1) { # DESTROY	956	if ($htype == 1) { # DESTROY
557	# remove hooks if unused
558	if (my $hook = $TERM->{_hook}) {
559	for my $htype (0..$#$hook) {
560	$hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
561	or set_should_invoke $htype, 0;
562	}
563	}
564
565	# clear package objects	957	# clear package objects
566	%$_ = () for values %{ $TERM->{_pkg} };	958	%$_ = () for values %{ $TERM->{_pkg} };
567		959
568	# clear package	960	# clear package
569	%$TERM = ();	961	%$TERM = ();
570	}	962	}
571		963
572	$retval	964	$retval
573	}	965	}
574		966
575	# urxvt::term::proxy	967	sub SET_COLOR($$$) {
		968	SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
		969	}
576		970
577	sub urxvt::term::proxy::AUTOLOAD {	971	# urxvt::term::extension
578	$urxvt::term::proxy::AUTOLOAD =~ /:([^:]+)$/	972
		973	package urxvt::term::extension;
		974
		975	sub enable {
		976	my ($self, %hook) = @_;
		977	my $pkg = $self->{_pkg};
		978
		979	while (my ($name, $cb) = each %hook) {
		980	my $htype = $HOOKTYPE{uc $name};
		981	defined $htype
		982	or Carp::croak "unsupported hook type '$name'";
		983
		984	$self->set_should_invoke ($htype, +1)
		985	unless exists $self->{term}{_hook}[$htype]{$pkg};
		986
		987	$self->{term}{_hook}[$htype]{$pkg} = $cb;
		988	}
		989	}
		990
		991	sub disable {
		992	my ($self, @hook) = @_;
		993	my $pkg = $self->{_pkg};
		994
		995	for my $name (@hook) {
		996	my $htype = $HOOKTYPE{uc $name};
		997	defined $htype
		998	or Carp::croak "unsupported hook type '$name'";
		999
		1000	$self->set_should_invoke ($htype, -1)
		1001	if delete $self->{term}{_hook}[$htype]{$pkg};
		1002	}
		1003	}
		1004
		1005	our $AUTOLOAD;
		1006
		1007	sub AUTOLOAD {
		1008	$AUTOLOAD =~ /:([^:]+)$/
579	or die "FATAL: \$AUTOLOAD '$urxvt::term::proxy::AUTOLOAD' unparsable";	1009	or die "FATAL: \$AUTOLOAD '$AUTOLOAD' unparsable";
580		1010
581	eval qq{	1011	eval qq{
582	sub $urxvt::term::proxy::AUTOLOAD {	1012	sub $AUTOLOAD {
583	my \$proxy = shift;	1013	my \$proxy = shift;
584	\$proxy->{term}->$1 (\@_)	1014	\$proxy->{term}->$1 (\@_)
585	}	1015	}
586	1	1016	1
587	} or die "FATAL: unable to compile method forwarder: $@";	1017	} or die "FATAL: unable to compile method forwarder: $@";
588		1018
589	goto &$urxvt::term::proxy::AUTOLOAD;	1019	goto &$AUTOLOAD;
590	}	1020	}
591		1021
592	sub urxvt::term::proxy::DESTROY {	1022	sub DESTROY {
593	# nop	1023	# nop
594	}	1024	}
595		1025
596	# urxvt::destroy_hook	1026	# urxvt::destroy_hook
597		1027
…		…
607		1037
608	=head2 The C<urxvt::anyevent> Class	1038	=head2 The C<urxvt::anyevent> Class
609		1039
610	The sole purpose of this class is to deliver an interface to the	1040	The sole purpose of this class is to deliver an interface to the
611	C<AnyEvent> module - any module using it will work inside urxvt without	1041	C<AnyEvent> module - any module using it will work inside urxvt without
612	further work. The only exception is that you cannot wait on condition	1042	further programming. The only exception is that you cannot wait on
613	variables, but non-blocking condvar use is ok. What this means is that you	1043	condition variables, but non-blocking condvar use is ok. What this means
614	cannot use blocking APIs, but the non-blocking variant should work.	1044	is that you cannot use blocking APIs, but the non-blocking variant should
		1045	work.
615		1046
616	=cut	1047	=cut
617		1048
618	our $VERSION = 1;	1049	our $VERSION = 1;
619		1050
…		…
664	${$_[0]}++;	1095	${$_[0]}++;
665	}	1096	}
666		1097
667	sub urxvt::anyevent::condvar::wait {	1098	sub urxvt::anyevent::condvar::wait {
668	unless (${$_[0]}) {	1099	unless (${$_[0]}) {
669	require Carp;
670	Carp::croak ("AnyEvent->condvar blocking wait unsupported in urxvt, use a non-blocking API");	1100	Carp::croak "AnyEvent->condvar blocking wait unsupported in urxvt, use a non-blocking API";
671	}	1101	}
672	}	1102	}
673		1103
674	package urxvt::term;	1104	package urxvt::term;
675		1105
676	=head2 The C<urxvt::term> Class	1106	=head2 The C<urxvt::term> Class
677		1107
678	=over 4	1108	=over 4
679		1109
		1110	=cut
		1111
		1112	# find on_xxx subs in the package and register them
		1113	# as hooks
		1114	sub register_package {
		1115	my ($self, $pkg, $argv) = @_;
		1116
		1117	no strict 'refs';
		1118
		1119	urxvt::verbose 6, "register package $pkg to $self";
		1120
		1121	@{"$pkg\::ISA"} = urxvt::term::extension::;
		1122
		1123	my $proxy = bless {
		1124	_pkg => $pkg,
		1125	argv => $argv,
		1126	}, $pkg;
		1127	Scalar::Util::weaken ($proxy->{term} = $self);
		1128
		1129	$self->{_pkg}{$pkg} = $proxy;
		1130
		1131	for my $name (@HOOKNAME) {
		1132	if (my $ref = $pkg->can ("on_" . lc $name)) {
		1133	$proxy->enable ($name => $ref);
		1134	}
		1135	}
		1136	}
		1137
		1138	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
		1139
		1140	Creates a new terminal, very similar as if you had started it with system
		1141	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
		1142	hash which defines the environment of the new terminal.
		1143
		1144	Croaks (and probably outputs an error message) if the new instance
		1145	couldn't be created. Returns C<undef> if the new instance didn't
		1146	initialise perl, and the terminal object otherwise. The C<init> and
		1147	C<start> hooks will be called before this call returns, and are free to
		1148	refer to global data (which is race free).
		1149
		1150	=cut
		1151
		1152	sub new {
		1153	my ($class, $env, @args) = @_;
		1154
		1155	$env or Carp::croak "environment hash missing in call to urxvt::term->new";
		1156	@args or Carp::croak "name argument missing in call to urxvt::term->new";
		1157
		1158	_new ([ map "$_=$env->{$_}", keys %$env ], \@args);
		1159	}
		1160
680	=item $term->destroy	1161	=item $term->destroy
681		1162
682	Destroy the terminal object (close the window, free resources etc.).	1163	Destroy the terminal object (close the window, free resources
		1164	etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event
		1165	watchers (timers, io watchers) are still active.
		1166
		1167	=item $term->exec_async ($cmd[, @args])
		1168
		1169	Works like the combination of the C<fork>/C<exec> builtins, which executes
		1170	("starts") programs in the background. This function takes care of setting
		1171	the user environment before exec'ing the command (e.g. C<PATH>) and should
		1172	be preferred over explicit calls to C<exec> or C<system>.
		1173
		1174	Returns the pid of the subprocess or C<undef> on error.
		1175
		1176	=cut
		1177
		1178	sub exec_async {
		1179	my $self = shift;
		1180
		1181	my $pid = fork;
		1182
		1183	return $pid
		1184	if !defined $pid or $pid;
		1185
		1186	%ENV = %{ $self->env };
		1187
		1188	exec @_;
		1189	urxvt::_exit 255;
		1190	}
683		1191
684	=item $isset = $term->option ($optval[, $set])	1192	=item $isset = $term->option ($optval[, $set])
685		1193
686	Returns true if the option specified by C<$optval> is enabled, and	1194	Returns true if the option specified by C<$optval> is enabled, and
687	optionally change it. All option values are stored by name in the hash	1195	optionally change it. All option values are stored by name in the hash
…		…
690	Here is a a likely non-exhaustive list of option names, please see the	1198	Here is a a likely non-exhaustive list of option names, please see the
691	source file F</src/optinc.h> to see the actual list:	1199	source file F</src/optinc.h> to see the actual list:
692		1200
693	borderLess console cursorBlink cursorUnderline hold iconic insecure	1201	borderLess console cursorBlink cursorUnderline hold iconic insecure
694	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage	1202	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage
695	pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating	1203	override-redirect pastableTabs pointerBlank reverseVideo scrollBar
696	scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer	1204	scrollBar_floating scrollBar_right scrollTtyKeypress scrollTtyOutput
697	secondaryScreen secondaryScroll skipBuiltinGlyphs transparent	1205	scrollWithBuffer secondaryScreen secondaryScroll skipBuiltinGlyphs
698	tripleclickwords utmpInhibit visualBell	1206	transparent tripleclickwords utmpInhibit visualBell
699		1207
700	=item $value = $term->resource ($name[, $newval])	1208	=item $value = $term->resource ($name[, $newval])
701		1209
702	Returns the current resource value associated with a given name and	1210	Returns the current resource value associated with a given name and
703	optionally sets a new value. Setting values is most useful in the C<init>	1211	optionally sets a new value. Setting values is most useful in the C<init>
…		…
720		1228
721	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont	1229	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
722	borderLess color cursorBlink cursorUnderline cutchars delete_key	1230	borderLess color cursorBlink cursorUnderline cutchars delete_key
723	display_name embed ext_bwidth fade font geometry hold iconName	1231	display_name embed ext_bwidth fade font geometry hold iconName
724	imFont imLocale inputMethod insecure int_bwidth intensityStyles	1232	imFont imLocale inputMethod insecure int_bwidth intensityStyles
725	italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier	1233	italicFont jumpScroll lineSpace loginShell mapAlert meta8 modifier
726	mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2	1234	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
727	perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd	1235	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
728	reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating	1236	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
729	scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput	1237	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
730	scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle	1238	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
731	shade term_name title transparent transparent_all tripleclickwords	1239	secondaryScreen secondaryScroll selectstyle shade term_name title
732	utmpInhibit visualBell	1240	transient_for transparent transparent_all tripleclickwords utmpInhibit
		1241	visualBell
733		1242
734	=cut	1243	=cut
735		1244
736	sub resource($$;$) {	1245	sub resource($$;$) {
737	my ($self, $name) = (shift, shift);	1246	my ($self, $name) = (shift, shift);
738	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);	1247	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
739	&urxvt::term::_resource	1248	&urxvt::term::_resource
740	}	1249	}
741		1250
		1251	=item $value = $term->x_resource ($pattern)
		1252
		1253	Returns the X-Resource for the given pattern, excluding the program or
		1254	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
		1255	same value as used by this instance of rxvt-unicode. Returns C<undef> if no
		1256	resource with that pattern exists.
		1257
		1258	This method should only be called during the C<on_start> hook, as there is
		1259	only one resource database per display, and later invocations might return
		1260	the wrong resources.
		1261
		1262	=item $success = $term->parse_keysym ($keysym_spec, $command_string)
		1263
		1264	Adds a keymap translation exactly as specified via a resource. See the
		1265	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.
		1266
742	=item $rend = $term->rstyle ([$new_rstyle])	1267	=item $rend = $term->rstyle ([$new_rstyle])
743		1268
744	Return and optionally change the current rendition. Text that is output by	1269	Return and optionally change the current rendition. Text that is output by
745	the terminal application will use this style.	1270	the terminal application will use this style.
746		1271
…		…
756	=item ($row, $col) = $term->selection_end ([$row, $col])	1281	=item ($row, $col) = $term->selection_end ([$row, $col])
757		1282
758	Return the current values of the selection mark, begin or end positions,	1283	Return the current values of the selection mark, begin or end positions,
759	and optionally set them to new values.	1284	and optionally set them to new values.
760		1285
		1286	=item $term->selection_make ($eventtime[, $rectangular])
		1287
		1288	Tries to make a selection as set by C<selection_beg> and
		1289	C<selection_end>. If C<$rectangular> is true (default: false), a
		1290	rectangular selection will be made. This is the prefered function to make
		1291	a selection.
		1292
761	=item $success = $term->selection_grab ($eventtime)	1293	=item $success = $term->selection_grab ($eventtime)
762		1294
763	Try to request the primary selection from the server (for example, as set	1295	Try to request the primary selection text from the server (for example, as
764	by the next method).	1296	set by the next method). No visual feedback will be given. This function
		1297	is mostly useful from within C<on_sel_grab> hooks.
765		1298
766	=item $oldtext = $term->selection ([$newtext])	1299	=item $oldtext = $term->selection ([$newtext])
767		1300
768	Return the current selection text and optionally replace it by C<$newtext>.	1301	Return the current selection text and optionally replace it by C<$newtext>.
769		1302
770	#=item $term->overlay ($x, $y, $text)	1303	=item $term->overlay_simple ($x, $y, $text)
771	#	1304
772	#Create a simple multi-line overlay box. See the next method for details.	1305	Create a simple multi-line overlay box. See the next method for details.
773	#	1306
774	#=cut	1307	=cut
775	#	1308
776	#sub urxvt::term::scr_overlay {	1309	sub overlay_simple {
777	# my ($self, $x, $y, $text) = @_;	1310	my ($self, $x, $y, $text) = @_;
778	#	1311
779	# my @lines = split /\n/, $text;	1312	my @lines = split /\n/, $text;
780	#	1313
781	# my $w = 0;	1314	my $w = List::Util::max map $self->strwidth ($_), @lines;
782	# for (map $self->strwidth ($_), @lines) {	1315
783	# $w = $_ if $w < $_;
784	# }
785	#
786	# $self->scr_overlay_new ($x, $y, $w, scalar @lines);	1316	my $overlay = $self->overlay ($x, $y, $w, scalar @lines);
787	# $self->scr_overlay_set (0, $_, $lines[$_]) for 0.. $#lines;	1317	$overlay->set (0, $_, $lines[$_]) for 0.. $#lines;
788	#}	1318
		1319	$overlay
		1320	}
789		1321
790	=item $term->overlay ($x, $y, $width, $height[, $rstyle[, $border]])	1322	=item $term->overlay ($x, $y, $width, $height[, $rstyle[, $border]])
791		1323
792	Create a new (empty) overlay at the given position with the given	1324	Create a new (empty) overlay at the given position with the given
793	width/height. C<$rstyle> defines the initial rendition style	1325	width/height. C<$rstyle> defines the initial rendition style
…		…
860		1392
861	=item $string = $term->locale_decode ($octets)	1393	=item $string = $term->locale_decode ($octets)
862		1394
863	Convert the given locale-encoded octets into a perl string.	1395	Convert the given locale-encoded octets into a perl string.
864		1396
		1397	=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])
		1398
		1399	XORs the rendition values in the given span with the provided value
		1400	(default: C<RS_RVid>), which I<MUST NOT> contain font styles. Useful in
		1401	refresh hooks to provide effects similar to the selection.
		1402
		1403	=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])
		1404
		1405	Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing
		1406	whitespace will additionally be xored with the C<$rstyle2>, which defaults
		1407	to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines
		1408	it instead. Both styles I<MUST NOT> contain font styles.
		1409
		1410	=item $term->scr_bell
		1411
		1412	Ring the bell!
		1413
865	=item $term->scr_add_lines ($string)	1414	=item $term->scr_add_lines ($string)
866		1415
867	Write the given text string to the screen, as if output by the application	1416	Write the given text string to the screen, as if output by the application
868	running inside the terminal. It may not contain command sequences (escape	1417	running inside the terminal. It may not contain command sequences (escape
869	codes), but is free to use line feeds, carriage returns and tabs. The	1418	codes), but is free to use line feeds, carriage returns and tabs. The
…		…
871		1420
872	Normally its not a good idea to use this function, as programs might be	1421	Normally its not a good idea to use this function, as programs might be
873	confused by changes in cursor position or scrolling. Its useful inside a	1422	confused by changes in cursor position or scrolling. Its useful inside a
874	C<on_add_lines> hook, though.	1423	C<on_add_lines> hook, though.
875		1424
		1425	=item $term->scr_change_screen ($screen)
		1426
		1427	Switch to given screen - 0 primary, 1 secondary.
		1428
876	=item $term->cmd_parse ($octets)	1429	=item $term->cmd_parse ($octets)
877		1430
878	Similar to C<scr_add_lines>, but the argument must be in the	1431	Similar to C<scr_add_lines>, but the argument must be in the
879	locale-specific encoding of the terminal and can contain command sequences	1432	locale-specific encoding of the terminal and can contain command sequences
880	(escape codes) that will be interpreted.	1433	(escape codes) that will be interpreted.
…		…
883		1436
884	Write the octets given in C<$data> to the tty (i.e. as program input). To	1437	Write the octets given in C<$data> to the tty (i.e. as program input). To
885	pass characters instead of octets, you should convert your strings first	1438	pass characters instead of octets, you should convert your strings first
886	to the locale-specific encoding using C<< $term->locale_encode >>.	1439	to the locale-specific encoding using C<< $term->locale_encode >>.
887		1440
		1441	=item $old_events = $term->pty_ev_events ([$new_events])
		1442
		1443	Replaces the event mask of the pty watcher by the given event mask. Can
		1444	be used to suppress input and output handling to the pty/tty. See the
		1445	description of C<< urxvt::timer->events >>. Make sure to always restore
		1446	the previous value.
		1447
		1448	=item $fd = $term->pty_fd
		1449
		1450	Returns the master file descriptor for the pty in use, or C<-1> if no pty
		1451	is used.
		1452
888	=item $windowid = $term->parent	1453	=item $windowid = $term->parent
889		1454
890	Return the window id of the toplevel window.	1455	Return the window id of the toplevel window.
891		1456
892	=item $windowid = $term->vt	1457	=item $windowid = $term->vt
893		1458
894	Return the window id of the terminal window.	1459	Return the window id of the terminal window.
895		1460
		1461	=item $term->vt_emask_add ($x_event_mask)
		1462
		1463	Adds the specified events to the vt event mask. Useful e.g. when you want
		1464	to receive pointer events all the times:
		1465
		1466	$term->vt_emask_add (urxvt::PointerMotionMask);
		1467
		1468	=item $term->focus_in
		1469
		1470	=item $term->focus_out
		1471
		1472	=item $term->key_press ($state, $keycode[, $time])
		1473
		1474	=item $term->key_release ($state, $keycode[, $time])
		1475
		1476	Deliver various fake events to to terminal.
		1477
896	=item $window_width = $term->width	1478	=item $window_width = $term->width
897		1479
898	=item $window_height = $term->height	1480	=item $window_height = $term->height
899		1481
900	=item $font_width = $term->fwidth	1482	=item $font_width = $term->fwidth
…		…
913		1495
914	=item $max_scrollback = $term->saveLines	1496	=item $max_scrollback = $term->saveLines
915		1497
916	=item $nrow_plus_saveLines = $term->total_rows	1498	=item $nrow_plus_saveLines = $term->total_rows
917		1499
918	=item $lines_in_scrollback = $term->nsaved	1500	=item $topmost_scrollback_row = $term->top_row
919		1501
920	Return various integers describing terminal characteristics.	1502	Return various integers describing terminal characteristics.
		1503
		1504	=item $x_display = $term->display_id
		1505
		1506	Return the DISPLAY used by rxvt-unicode.
		1507
		1508	=item $lc_ctype = $term->locale
		1509
		1510	Returns the LC_CTYPE category string used by this rxvt-unicode.
		1511
		1512	=item $env = $term->env
		1513
		1514	Returns a copy of the environment in effect for the terminal as a hashref
		1515	similar to C<\%ENV>.
		1516
		1517	=item @envv = $term->envv
		1518
		1519	Returns the environment as array of strings of the form C<VAR=VALUE>.
		1520
		1521	=item @argv = $term->argv
		1522
		1523	Return the argument vector as this terminal, similar to @ARGV, but
		1524	includes the program name as first element.
		1525
		1526	=cut
		1527
		1528	sub env {
		1529	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), $_[0]->envv }
		1530	}
921		1531
922	=item $modifiermask = $term->ModLevel3Mask	1532	=item $modifiermask = $term->ModLevel3Mask
923		1533
924	=item $modifiermask = $term->ModMetaMask	1534	=item $modifiermask = $term->ModMetaMask
925		1535
926	=item $modifiermask = $term->ModNumLockMask	1536	=item $modifiermask = $term->ModNumLockMask
927		1537
928	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often	1538	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
929	AltGr), the meta key (often Alt) and the num lock key, if applicable.	1539	AltGr), the meta key (often Alt) and the num lock key, if applicable.
930		1540
		1541	=item $screen = $term->current_screen
		1542
		1543	Returns the currently displayed screen (0 primary, 1 secondary).
		1544
		1545	=item $cursor_is_hidden = $term->hidden_cursor
		1546
		1547	Returns wether the cursor is currently hidden or not.
		1548
931	=item $view_start = $term->view_start ([$newvalue])	1549	=item $view_start = $term->view_start ([$newvalue])
932		1550
933	Returns the negative row number of the topmost line. Minimum value is	1551	Returns the row number of the topmost displayed line. Maximum value is
934	C<0>, which displays the normal terminal contents. Larger values scroll	1552	C<0>, which displays the normal terminal contents. Lower values scroll
935	this many lines into the scrollback buffer.	1553	this many lines into the scrollback buffer.
936		1554
937	=item $term->want_refresh	1555	=item $term->want_refresh
938		1556
939	Requests a screen refresh. At the next opportunity, rxvt-unicode will	1557	Requests a screen refresh. At the next opportunity, rxvt-unicode will
…		…
954	line, starting at column C<$start_col> (default C<0>), which is useful	1572	line, starting at column C<$start_col> (default C<0>), which is useful
955	to replace only parts of a line. The font index in the rendition will	1573	to replace only parts of a line. The font index in the rendition will
956	automatically be updated.	1574	automatically be updated.
957		1575
958	C<$text> is in a special encoding: tabs and wide characters that use more	1576	C<$text> is in a special encoding: tabs and wide characters that use more
959	than one cell when displayed are padded with urxvt::NOCHAR characters	1577	than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
960	(C<chr 65535>). Characters with combining characters and other characters	1578	characters. Characters with combining characters and other characters that
961	that do not fit into the normal tetx encoding will be replaced with	1579	do not fit into the normal tetx encoding will be replaced with characters
962	characters in the private use area.	1580	in the private use area.
963		1581
964	You have to obey this encoding when changing text. The advantage is	1582	You have to obey this encoding when changing text. The advantage is
965	that C<substr> and similar functions work on screen cells and not on	1583	that C<substr> and similar functions work on screen cells and not on
966	characters.	1584	characters.
967		1585
…		…
1018	Return the row number of the first/last row of the line, respectively.	1636	Return the row number of the first/last row of the line, respectively.
1019		1637
1020	=item $offset = $line->offset_of ($row, $col)	1638	=item $offset = $line->offset_of ($row, $col)
1021		1639
1022	Returns the character offset of the given row|col pair within the logical	1640	Returns the character offset of the given row|col pair within the logical
1023	line.	1641	line. Works for rows outside the line, too, and returns corresponding
		1642	offsets outside the string.
1024		1643
1025	=item ($row, $col) = $line->coord_of ($offset)	1644	=item ($row, $col) = $line->coord_of ($offset)
1026		1645
1027	Translates a string offset into terminal coordinates again.	1646	Translates a string offset into terminal coordinates again.
1028		1647
…		…
1113	=item $string = $term->special_decode $text	1732	=item $string = $term->special_decode $text
1114		1733
1115	Converts rxvt-unicodes text reprsentation into a perl string. See	1734	Converts rxvt-unicodes text reprsentation into a perl string. See
1116	C<< $term->ROW_t >> for details.	1735	C<< $term->ROW_t >> for details.
1117		1736
1118	=item $success = $term->grab_button ($button, $modifiermask)	1737	=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
1119		1738
		1739	=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
		1740
1120	Registers a synchronous button grab. See the XGrabButton manpage.	1741	Register/unregister a synchronous button grab. See the XGrabButton
		1742	manpage.
1121		1743
1122	=item $success = $term->grab ($eventtime[, $sync])	1744	=item $success = $term->grab ($eventtime[, $sync])
1123		1745
1124	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or	1746	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1125	synchronous (C<$sync> is true). Also remembers the grab timestampe.	1747	synchronous (C<$sync> is true). Also remembers the grab timestampe.
…		…
1141		1763
1142	Calls XUngrab for the most recent grab. Is called automatically on	1764	Calls XUngrab for the most recent grab. Is called automatically on
1143	evaluation errors, as it is better to lose the grab in the error case as	1765	evaluation errors, as it is better to lose the grab in the error case as
1144	the session.	1766	the session.
1145		1767
		1768	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
		1769
		1770	=item $atom_name = $term->XGetAtomName ($atom)
		1771
		1772	=item @atoms = $term->XListProperties ($window)
		1773
		1774	=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
		1775
		1776	=item $term->XChangeWindowProperty ($window, $property, $type, $format, $octets)
		1777
		1778	=item $term->XDeleteProperty ($window, $property)
		1779
		1780	=item $window = $term->DefaultRootWindow
		1781
		1782	=item $term->XReparentWindow ($window, $parent, [$x, $y])
		1783
		1784	=item $term->XMapWindow ($window)
		1785
		1786	=item $term->XUnmapWindow ($window)
		1787
		1788	=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
		1789
		1790	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
		1791
		1792	=item $term->XChangeInput ($window, $add_events[, $del_events])
		1793
		1794	Various X or X-related functions. The C<$term> object only serves as
		1795	the source of the display, otherwise those functions map more-or-less
		1796	directory onto the X functions of the same name.
		1797
1146	=back	1798	=back
1147		1799
1148	=cut	1800	=cut
1149		1801
1150	package urxvt::popup;	1802	package urxvt::popup;
…		…
1165	$item->{render} ||= sub { $_[0]{text} };	1817	$item->{render} ||= sub { $_[0]{text} };
1166		1818
1167	push @{ $self->{item} }, $item;	1819	push @{ $self->{item} }, $item;
1168	}	1820	}
1169		1821
1170	sub add_separator {	1822	=item $popup->add_title ($title)
1171	my ($self, $sep) = @_;
1172		1823
1173	$sep ||= "═";	1824	Adds a non-clickable title to the popup.
1174		1825
1175	$self->add_item ({	1826	=cut
1176	rend => { normal => "\x1b[0;30;47m", hover => "\x1b[0;30;47m", active => "\x1b[0;30;47m" },
1177	text => "",
1178	render => sub { $sep x $urxvt::TERM->ncol },
1179	activate => sub { },
1180	});
1181	}
1182		1827
1183	sub add_title {	1828	sub add_title {
1184	my ($self, $title) = @_;	1829	my ($self, $title) = @_;
1185		1830
1186	$self->add_item ({	1831	$self->add_item ({
…		…
1188	text => $title,	1833	text => $title,
1189	activate => sub { },	1834	activate => sub { },
1190	});	1835	});
1191	}	1836	}
1192		1837
		1838	=item $popup->add_separator ([$sepchr])
		1839
		1840	Creates a separator, optionally using the character given as C<$sepchr>.
		1841
		1842	=cut
		1843
		1844	sub add_separator {
		1845	my ($self, $sep) = @_;
		1846
		1847	$sep ||= "=";
		1848
		1849	$self->add_item ({
		1850	rend => { normal => "\x1b[0;30;47m", hover => "\x1b[0;30;47m", active => "\x1b[0;30;47m" },
		1851	text => "",
		1852	render => sub { $sep x $self->{term}->ncol },
		1853	activate => sub { },
		1854	});
		1855	}
		1856
		1857	=item $popup->add_button ($text, $cb)
		1858
		1859	Adds a clickable button to the popup. C<$cb> is called whenever it is
		1860	selected.
		1861
		1862	=cut
		1863
1193	sub add_button {	1864	sub add_button {
1194	my ($self, $text, $cb) = @_;	1865	my ($self, $text, $cb) = @_;
1195		1866
1196	$self->add_item ({ type => "button", text => $text, activate => $cb});	1867	$self->add_item ({ type => "button", text => $text, activate => $cb});
1197	}	1868	}
1198		1869
		1870	=item $popup->add_toggle ($text, $initial_value, $cb)
		1871
		1872	Adds a toggle/checkbox item to the popup. The callback gets called
		1873	whenever it gets toggled, with a boolean indicating its new value as its
		1874	first argument.
		1875
		1876	=cut
		1877
1199	sub add_toggle {	1878	sub add_toggle {
1200	my ($self, $text, $cb, $value) = @_;	1879	my ($self, $text, $value, $cb) = @_;
1201		1880
1202	my $item; $item = {	1881	my $item; $item = {
1203	type => "button",	1882	type => "button",
1204	text => " $text",	1883	text => " $text",
1205	value => $value,	1884	value => $value,
1206	render => sub { ($_[0]{value} ? "* " : " ") . $text },	1885	render => sub { ($_[0]{value} ? "* " : " ") . $text },
1207	activate => sub { $cb->($_[0]{value} = !$_[0]{value}); },	1886	activate => sub { $cb->($_[1]{value} = !$_[1]{value}); },
1208	};	1887	};
1209		1888
1210	$self->add_item ($item);	1889	$self->add_item ($item);
1211	}	1890	}
		1891
		1892	=item $popup->show
		1893
		1894	Displays the popup (which is initially hidden).
		1895
		1896	=cut
1212		1897
1213	sub show {	1898	sub show {
1214	my ($self) = @_;	1899	my ($self) = @_;
1215		1900
1216	local $urxvt::popup::self = $self;	1901	local $urxvt::popup::self = $self;
1217		1902
1218	urxvt->new ("--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0,	1903	my $env = $self->{term}->env;
		1904	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
		1905	delete $env->{LC_ALL};
		1906	$env->{LC_CTYPE} = $self->{term}->locale;
		1907
		1908	urxvt::term->new ($env, "popup",
		1909	"--perl-lib" => "", "--perl-ext-common" => "",
		1910	"-pty-fd" => -1, "-sl" => 0,
		1911	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1219	"--transient-for" => $self->{term}->parent,	1912	"--transient-for" => $self->{term}->parent,
1220	"-display" => $self->{term}->display_id,	1913	"-display" => $self->{term}->display_id,
1221	"-pe" => "urxvt-popup")	1914	"-pe" => "urxvt-popup")
1222	or die "unable to create popup window\n";	1915	or die "unable to create popup window\n";
1223	}	1916	}
1224		1917
1225	sub DESTROY {	1918	sub DESTROY {
1226	my ($self) = @_;	1919	my ($self) = @_;
1227		1920
1228	delete $self->{term}{_destroy}{$self};	1921	delete $self->{term}{_destroy}{$self};
1229	$self->{term}->ungrab;	1922	$self->{term}->ungrab;
1230	}	1923	}
		1924
		1925	=back
		1926
		1927	=cut
		1928
		1929	package urxvt::watcher;
		1930
		1931	@urxvt::timer::ISA = __PACKAGE__;
		1932	@urxvt::iow::ISA = __PACKAGE__;
		1933	@urxvt::pw::ISA = __PACKAGE__;
		1934	@urxvt::iw::ISA = __PACKAGE__;
1231		1935
1232	=head2 The C<urxvt::timer> Class	1936	=head2 The C<urxvt::timer> Class
1233		1937
1234	This class implements timer watchers/events. Time is represented as a	1938	This class implements timer watchers/events. Time is represented as a
1235	fractional number of seconds since the epoch. Example:	1939	fractional number of seconds since the epoch. Example:
…		…
1274		1978
1275	=item $timer = $timer->start ($tstamp)	1979	=item $timer = $timer->start ($tstamp)
1276		1980
1277	Set the event trigger time to C<$tstamp> and start the timer.	1981	Set the event trigger time to C<$tstamp> and start the timer.
1278		1982
		1983	=item $timer = $timer->after ($delay)
		1984
		1985	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
		1986
1279	=item $timer = $timer->stop	1987	=item $timer = $timer->stop
1280		1988
1281	Stop the timer.	1989	Stop the timer.
1282		1990
1283	=back	1991	=back
…		…
1288		1996
1289	$term->{socket} = ...	1997	$term->{socket} = ...
1290	$term->{iow} = urxvt::iow	1998	$term->{iow} = urxvt::iow
1291	->new	1999	->new
1292	->fd (fileno $term->{socket})	2000	->fd (fileno $term->{socket})
1293	->events (1) # wait for read data	2001	->events (urxvt::EVENT_READ)
1294	->start	2002	->start
1295	->cb (sub {	2003	->cb (sub {
1296	my ($iow, $revents) = @_;	2004	my ($iow, $revents) = @_;
1297	# $revents must be 1 here, no need to check	2005	# $revents must be 1 here, no need to check
1298	sysread $term->{socket}, my $buf, 8192	2006	sysread $term->{socket}, my $buf, 8192
…		…
1315		2023
1316	Set the filedescriptor (not handle) to watch.	2024	Set the filedescriptor (not handle) to watch.
1317		2025
1318	=item $iow = $iow->events ($eventmask)	2026	=item $iow = $iow->events ($eventmask)
1319		2027
1320	Set the event mask to watch. Bit #0 (value C<1>) enables watching for read	2028	Set the event mask to watch. The only allowed values are
1321	data, Bit #1 (value C<2>) enables watching for write data.	2029	C<urxvt::EVENT_READ> and C<urxvt::EVENT_WRITE>, which might be ORed
		2030	together, or C<urxvt::EVENT_NONE>.
1322		2031
1323	=item $iow = $iow->start	2032	=item $iow = $iow->start
1324		2033
1325	Start watching for requested events on the given handle.	2034	Start watching for requested events on the given handle.
1326		2035
1327	=item $iow = $iow->stop	2036	=item $iow = $iow->stop
1328		2037
1329	Stop watching for events on the given filehandle.	2038	Stop watching for events on the given filehandle.
		2039
		2040	=back
		2041
		2042	=head2 The C<urxvt::iw> Class
		2043
		2044	This class implements idle watchers, that get called automatically when
		2045	the process is idle. They should return as fast as possible, after doing
		2046	some useful work.
		2047
		2048	=over 4
		2049
		2050	=item $iw = new urxvt::iw
		2051
		2052	Create a new idle watcher object in stopped state.
		2053
		2054	=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
		2055
		2056	Set the callback to be called when the watcher triggers.
		2057
		2058	=item $timer = $timer->start
		2059
		2060	Start the watcher.
		2061
		2062	=item $timer = $timer->stop
		2063
		2064	Stop the watcher.
		2065
		2066	=back
		2067
		2068	=head2 The C<urxvt::pw> Class
		2069
		2070	This class implements process watchers. They create an event whenever a
		2071	process exits, after which they stop automatically.
		2072
		2073	my $pid = fork;
		2074	...
		2075	$term->{pw} = urxvt::pw
		2076	->new
		2077	->start ($pid)
		2078	->cb (sub {
		2079	my ($pw, $exit_status) = @_;
		2080	...
		2081	});
		2082
		2083	=over 4
		2084
		2085	=item $pw = new urxvt::pw
		2086
		2087	Create a new process watcher in stopped state.
		2088
		2089	=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
		2090
		2091	Set the callback to be called when the timer triggers.
		2092
		2093	=item $pw = $timer->start ($pid)
		2094
		2095	Tells the wqtcher to start watching for process C<$pid>.
		2096
		2097	=item $pw = $pw->stop
		2098
		2099	Stop the watcher.
1330		2100
1331	=back	2101	=back
1332		2102
1333	=head1 ENVIRONMENT	2103	=head1 ENVIRONMENT
1334		2104
…		…
1341		2111
1342	=item == 0 - fatal messages	2112	=item == 0 - fatal messages
1343		2113
1344	=item >= 3 - script loading and management	2114	=item >= 3 - script loading and management
1345		2115
1346	=item >=10 - all events received	2116	=item >=10 - all called hooks
		2117
		2118	=item >=11 - hook reutrn values
1347		2119
1348	=back	2120	=back
1349		2121
1350	=head1 AUTHOR	2122	=head1 AUTHOR
1351		2123

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