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Comparing rxvt-unicode/src/urxvt.pm (file contents):
Revision 1.44 by root, Sat Jan 7 19:29:17 2006 UTC vs.
Revision 1.134 by root, Sat Feb 11 02:31:13 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	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
…		…
56		89
57	URxvt.keysym.C-M-r: perl:selection:rot13	90	URxvt.keysym.C-M-r: perl:selection:rot13
58		91
59	=back	92	=back
60		93
61	=item digital-clock	94	=item option-popup (enabled by default)
62		95
63	Displays a digital clock using the built-in overlay.	96	Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at
		97	runtime.
		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
		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 the
		159	moment, it reacts to clicking with the left mouse button by trying to
		160	move the text cursor to this position. It does so by generating as many
		161	cursor-left or cursor-right keypresses as required (the this only works
		162	for programs that correctly support wide characters).
		163
		164	To avoid too many false positives, this is only done when:
		165
		166	=over 4
		167
		168	=item - the tty is in ICANON state.
		169
		170	=item - the text cursor is visible.
		171
		172	=item - the primary screen is currently being displayed.
		173
		174	=item - the mouse is on the same (multi-row-) line as the text cursor.
		175
		176	=back
		177
		178	The normal selection mechanism isn't disabled, so quick successive clicks
		179	might interfere with selection creation in harmless ways.
		180
		181	=item selection-autotransform
		182
		183	This selection allows you to do automatic transforms on a selection
		184	whenever a selection is made.
		185
		186	It works by specifying perl snippets (most useful is a single C<s///>
		187	operator) that modify C<$_> as resources:
		188
		189	URxvt.selection-autotransform.0: transform
		190	URxvt.selection-autotransform.1: transform
		191	...
		192
		193	For example, the following will transform selections of the form
		194	C<filename:number>, often seen in compiler messages, into C<vi +$filename
		195	$word>:
		196
		197	URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/
		198
		199	And this example matches the same,but replaces it with vi-commands you can
		200	paste directly into your (vi :) editor:
		201
		202	URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/:e \\Q$1\\E\\x0d:$2\\x0d/
		203
		204	Of course, this can be modified to suit your needs and your editor :)
		205
		206	To expand the example above to typical perl error messages ("XXX at
		207	FILENAME line YYY."), you need a slightly more elaborate solution:
		208
		209	URxvt.selection.pattern-0: ( at .*? line \\d+[,.])
		210	URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)[,.]$/:e \\Q$1\E\\x0d:$2\\x0d/
		211
		212	The first line tells the selection code to treat the unchanging part of
		213	every error message as a selection pattern, and the second line transforms
		214	the message into vi commands to load the file.
		215
		216	=item tabbed
		217
		218	This transforms the terminal into a tabbar with additional terminals, that
		219	is, it implements what is commonly refered to as "tabbed terminal". The topmost line
		220	displays a "[NEW]" button, which, when clicked, will add a new tab, followed by one
		221	button per tab.
		222
		223	Clicking a button will activate that tab. Pressing B<Shift-Left> and
		224	B<Shift-Right> will switch to the tab left or right of the current one,
		225	while B<Shift-Down> creates a new tab.
		226
		227	The tabbar itself can be configured similarly to a normal terminal, but
		228	with a resource class of C<URxvt.tabbed>. In addition, it supports the
		229	following four resources (shown with defaults):
		230
		231	URxvt.tabbed.tabbar-fg: <colour-index, default 3>
		232	URxvt.tabbed.tabbar-bg: <colour-index, default 0>
		233	URxvt.tabbed.tab-fg: <colour-index, default 0>
		234	URxvt.tabbed.tab-bg: <colour-index, default 1>
		235
		236	See I<COLOR AND GRAPHICS> in the @@RXVT_NAME@@(1) manpage for valid
		237	indices.
64		238
65	=item mark-urls	239	=item mark-urls
66		240
67	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
68		265
69	=item block-graphics-to-ascii	266	=item block-graphics-to-ascii
70		267
71	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,
72	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
73	similar-looking ascii character.	270	similar-looking ascii character.
74		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
75	=item example-refresh-hooks	325	=item example-refresh-hooks
76		326
77	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
78	window. Illustrates overwriting the refresh callbacks to create your own	328	window. Illustrates overwriting the refresh callbacks to create your own
79	overlays or changes.	329	overlays or changes.
80		330
81	=back	331	=back
		332
		333	=head1 API DOCUMENTATION
82		334
83	=head2 General API Considerations	335	=head2 General API Considerations
84		336
85	All objects (such as terminals, time watchers etc.) are typical	337	All objects (such as terminals, time watchers etc.) are typical
86	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
…		…
99	=over 4	351	=over 4
100		352
101	=item $text	353	=item $text
102		354
103	Rxvt-unicodes special way of encoding text, where one "unicode" character	355	Rxvt-unicodes special way of encoding text, where one "unicode" character
104	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.
105		357
106	=item $string	358	=item $string
107		359
108	A perl text string, with an emphasis on I<text>. It can store all unicode	360	A perl text string, with an emphasis on I<text>. It can store all unicode
109	characters and is to be distinguished with text encoded in a specific	361	characters and is to be distinguished with text encoded in a specific
…		…
114	Either binary data or - more common - a text string encoded in a	366	Either binary data or - more common - a text string encoded in a
115	locale-specific way.	367	locale-specific way.
116		368
117	=back	369	=back
118		370
		371	=head2 Extension Objects
		372
		373	Very perl extension is a perl class. A separate perl object is created
		374	for each terminal and each extension and passed as the first parameter to
		375	hooks. So extensions can use their C<$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
119	=head2 Hooks	404	=head2 Hooks
120		405
121	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
122	called whenever the relevant event happens.	407	called whenever the relevant event happens.
123		408
124	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
125	and extension package. You can call all C<urxvt::term> methods on it, but	410	the in the C<Extension Objects> section.
126	its not a real C<urxvt::term> object. Instead, the real C<urxvt::term>
127	object that is shared between all packages is stored in the C<term>
128	member. It is, however, blessed intot he package of the extension script,
129	so for all practical purposes you can treat an extension script as a class.
130		411
131	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
132	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
133	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.
134		415
135	When in doubt, return a false value (preferably C<()>).	416	I<< When in doubt, return a false value (preferably C<()>). >>
136		417
137	=over 4	418	=over 4
138		419
139	=item on_init $term	420	=item on_init $term
140		421
141	Called after a new terminal object has been initialized, but before	422	Called after a new terminal object has been initialized, but before
142	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
143	call or deliver senseless data, as terminal size and other characteristics	424	call or deliver senseless data, as terminal size and other characteristics
144	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
145	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).
146		438
147	=item on_reset $term	439	=item on_reset $term
148		440
149	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
150	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
151	variables.	443	variables.
152		444
153	=item on_start $term	445	=item on_child_start $term, $pid
154		446
155	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.
156	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>.
157		453
158	=item on_sel_make $term, $eventtime	454	=item on_sel_make $term, $eventtime
159		455
160	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
161	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
…		…
175	=item on_sel_extend $term	471	=item on_sel_extend $term
176		472
177	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
178	click) and is either supposed to return false (normal operation), or	474	click) and is either supposed to return false (normal operation), or
179	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
180	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.
181		479
182	See the F<selection> example extension.	480	See the F<selection> example extension.
183
184	=item on_focus_in $term
185
186	Called whenever the window gets the keyboard focus, before urxvt does
187	focus in processing.
188
189	=item on_focus_out $term
190
191	Called wheneever the window loses keyboard focus, before urxvt does focus
192	out processing.
193		481
194	=item on_view_change $term, $offset	482	=item on_view_change $term, $offset
195		483
196	Called whenever the view offset changes, i..e the user or program	484	Called whenever the view offset changes, i..e the user or program
197	scrolls. Offset C<0> means display the normal terminal, positive values	485	scrolls. Offset C<0> means display the normal terminal, positive values
…		…
204	than the scroll back buffer or the terminal.	492	than the scroll back buffer or the terminal.
205		493
206	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,	494	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,
207	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total	495	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total
208	number of lines that will be in the scrollback buffer.	496	number of lines that will be in the scrollback buffer.
209
210	=item on_tty_activity $term *NYI*
211
212	Called whenever the program(s) running in the urxvt window send output.
213		497
214	=item on_osc_seq $term, $string	498	=item on_osc_seq $term, $string
215		499
216	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =	500	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
217	operating system command) is processed. Cursor position and other state	501	operating system command) is processed. Cursor position and other state
…		…
230	can filter/change and output the text yourself by returning a true value	514	can filter/change and output the text yourself by returning a true value
231	and calling C<< $term->scr_add_lines >> yourself. Please note that this	515	and calling C<< $term->scr_add_lines >> yourself. Please note that this
232	might be very slow, however, as your hook is called for B<all> text being	516	might be very slow, however, as your hook is called for B<all> text being
233	output.	517	output.
234		518
		519	=item on_tt_write $term, $octets
		520
		521	Called whenever some data is written to the tty/pty and can be used to
		522	suppress or filter tty input.
		523
235	=item on_line_update $term, $row	524	=item on_line_update $term, $row
236		525
237	Called whenever a line was updated or changed. Can be used to filter	526	Called whenever a line was updated or changed. Can be used to filter
238	screen output (e.g. underline urls or other useless stuff). Only lines	527	screen output (e.g. underline urls or other useless stuff). Only lines
239	that are being shown will be filtered, and, due to performance reasons,	528	that are being shown will be filtered, and, due to performance reasons,
…		…
255		544
256	=item on_refresh_end $term	545	=item on_refresh_end $term
257		546
258	Called just after the screen gets redrawn. See C<on_refresh_begin>.	547	Called just after the screen gets redrawn. See C<on_refresh_begin>.
259		548
260	=item on_keyboard_command $term, $string	549	=item on_user_command $term, $string
261		550
262	Called whenever the user presses a key combination that has a	551	Called whenever the a user-configured event is being activated (e.g. via
263	C<perl:string> action bound to it (see description of the B<keysym>	552	a C<perl:string> action bound to a key, see description of the B<keysym>
264	resource in the @@RXVT_NAME@@(1) manpage).	553	resource in the @@RXVT_NAME@@(1) manpage).
265		554
		555	The event is simply the action string. This interface is assumed to change
		556	slightly in the future.
		557
		558	=item on_resize_all_windows $tern, $new_width, $new_height
		559
		560	Called just after the new window size has been calculcated, but before
		561	windows are actually being resized or hints are being set. If this hook
		562	returns TRUE, setting of the window hints is being skipped.
		563
		564	=item on_x_event $term, $event
		565
		566	Called on every X event received on the vt window (and possibly other
		567	windows). Should only be used as a last resort. Most event structure
		568	members are not passed.
		569
		570	=item on_focus_in $term
		571
		572	Called whenever the window gets the keyboard focus, before rxvt-unicode
		573	does focus in processing.
		574
		575	=item on_focus_out $term
		576
		577	Called wheneever the window loses keyboard focus, before rxvt-unicode does
		578	focus out processing.
		579
		580	=item on_configure_notify $term, $event
		581
		582	=item on_property_notify $term, $event
		583
266	=item on_key_press $term, $event, $octets	584	=item on_key_press $term, $event, $keysym, $octets
267		585
268	=item on_key_release $term, $event	586	=item on_key_release $term, $event, $keysym
269		587
270	=item on_button_press $term, $event	588	=item on_button_press $term, $event
271		589
272	=item on_button_release $term, $event	590	=item on_button_release $term, $event
273		591
274	=item on_motion_notify $term, $event	592	=item on_motion_notify $term, $event
		593
		594	=item on_map_notify $term, $event
		595
		596	=item on_unmap_notify $term, $event
275		597
276	Called whenever the corresponding X event is received for the terminal If	598	Called whenever the corresponding X event is received for the terminal If
277	the hook returns true, then the even will be ignored by rxvt-unicode.	599	the hook returns true, then the even will be ignored by rxvt-unicode.
278		600
279	The event is a hash with most values as named by Xlib (see the XEvent	601	The event is a hash with most values as named by Xlib (see the XEvent
280	manpage), with the additional members C<row> and C<col>, which are the row	602	manpage), with the additional members C<row> and C<col>, which are the
281	and column under the mouse cursor.	603	(real, not screen-based) row and column under the mouse cursor.
282		604
283	C<on_key_press> additionally receives the string rxvt-unicode would	605	C<on_key_press> additionally receives the string rxvt-unicode would
284	output, if any, in locale-specific encoding.	606	output, if any, in locale-specific encoding.
285		607
286	subwindow.	608	subwindow.
287		609
		610	=item on_client_message $term, $event
		611
		612	=item on_wm_protocols $term, $event
		613
		614	=item on_wm_delete_window $term, $event
		615
		616	Called when various types of ClientMessage events are received (all with
		617	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
		618
288	=back	619	=back
289		620
		621	=cut
		622
		623	package urxvt;
		624
		625	use utf8;
		626	use strict;
		627	use Carp ();
		628	use Scalar::Util ();
		629	use List::Util ();
		630
		631	our $VERSION = 1;
		632	our $TERM;
		633	our @TERM_INIT;
		634	our @TERM_EXT;
		635	our @HOOKNAME;
		636	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
		637	our %OPTION;
		638
		639	our $LIBDIR;
		640	our $RESNAME;
		641	our $RESCLASS;
		642	our $RXVTNAME;
		643
		644	our $NOCHAR = chr 0xffff;
		645
290	=head2 Variables in the C<urxvt> Package	646	=head2 Variables in the C<urxvt> Package
291		647
292	=over 4	648	=over 4
		649
		650	=item $urxvt::LIBDIR
		651
		652	The rxvt-unicode library directory, where, among other things, the perl
		653	modules and scripts are stored.
		654
		655	=item $urxvt::RESCLASS, $urxvt::RESCLASS
		656
		657	The resource class and name rxvt-unicode uses to look up X resources.
		658
		659	=item $urxvt::RXVTNAME
		660
		661	The basename of the installed binaries, usually C<urxvt>.
293		662
294	=item $urxvt::TERM	663	=item $urxvt::TERM
295		664
296	The current terminal. This variable stores the current C<urxvt::term>	665	The current terminal. This variable stores the current C<urxvt::term>
297	object, whenever a callback/hook is executing.	666	object, whenever a callback/hook is executing.
298		667
		668	=item @urxvt::TERM_INIT
		669
		670	All coderefs in this array will be called as methods of the next newly
		671	created C<urxvt::term> object (during the C<on_init> phase). The array
		672	gets cleared before the codereferences that were in it are being executed,
		673	so coderefs can push themselves onto it again if they so desire.
		674
		675	This complements to the perl-eval commandline option, but gets executed
		676	first.
		677
		678	=item @urxvt::TERM_EXT
		679
		680	Works similar to C<@TERM_INIT>, but contains perl package/class names, which
		681	get registered as normal extensions after calling the hooks in C<@TERM_INIT>
		682	but before other extensions. Gets cleared just like C<@TERM_INIT>.
		683
299	=back	684	=back
300		685
301	=head2 Functions in the C<urxvt> Package	686	=head2 Functions in the C<urxvt> Package
302		687
303	=over 4	688	=over 4
304
305	=item $term = new urxvt [arg...]
306
307	Creates a new terminal, very similar as if you had started it with
308	C<system $binfile, arg...>. Croaks (and probably outputs an error message)
309	if the new instance couldn't be created. Returns C<undef> if the new
310	instance didn't initialise perl, and the terminal object otherwise. The
311	C<init> and C<start> hooks will be called during the call.
312		689
313	=item urxvt::fatal $errormessage	690	=item urxvt::fatal $errormessage
314		691
315	Fatally aborts execution with the given error message. Avoid at all	692	Fatally aborts execution with the given error message. Avoid at all
316	costs! The only time this is acceptable is when the terminal process	693	costs! The only time this is acceptable is when the terminal process
…		…
323	that calls this function.	700	that calls this function.
324		701
325	Using this function has the advantage that its output ends up in the	702	Using this function has the advantage that its output ends up in the
326	correct place, e.g. on stderr of the connecting urxvtc client.	703	correct place, e.g. on stderr of the connecting urxvtc client.
327		704
		705	Messages have a size limit of 1023 bytes currently.
		706
		707	=item @terms = urxvt::termlist
		708
		709	Returns all urxvt::term objects that exist in this process, regardless of
		710	wether they are started, being destroyed etc., so be careful. Only term
		711	objects that have perl extensions attached will be returned (because there
		712	is no urxvt::term objet associated with others).
		713
328	=item $time = urxvt::NOW	714	=item $time = urxvt::NOW
329		715
330	Returns the "current time" (as per the event loop).	716	Returns the "current time" (as per the event loop).
		717
		718	=item urxvt::CurrentTime
		719
		720	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
		721	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
		722	Button4Mask, Button5Mask, AnyModifier
		723
		724	=item urxvt::NoEventMask, KeyPressMask, KeyReleaseMask,
		725	ButtonPressMask, ButtonReleaseMask, EnterWindowMask, LeaveWindowMask,
		726	PointerMotionMask, PointerMotionHintMask, Button1MotionMask, Button2MotionMask,
		727	Button3MotionMask, Button4MotionMask, Button5MotionMask, ButtonMotionMask,
		728	KeymapStateMask, ExposureMask, VisibilityChangeMask, StructureNotifyMask,
		729	ResizeRedirectMask, SubstructureNotifyMask, SubstructureRedirectMask,
		730	FocusChangeMask, PropertyChangeMask, ColormapChangeMask, OwnerGrabButtonMask
		731
		732	=item urxvt::KeyPress, KeyRelease, ButtonPress, ButtonRelease, MotionNotify,
		733	EnterNotify, LeaveNotify, FocusIn, FocusOut, KeymapNotify, Expose,
		734	GraphicsExpose, NoExpose, VisibilityNotify, CreateNotify, DestroyNotify,
		735	UnmapNotify, MapNotify, MapRequest, ReparentNotify, ConfigureNotify,
		736	ConfigureRequest, GravityNotify, ResizeRequest, CirculateNotify,
		737	CirculateRequest, PropertyNotify, SelectionClear, SelectionRequest,
		738	SelectionNotify, ColormapNotify, ClientMessage, MappingNotify
		739
		740	Various constants for use in X calls and event processing.
331		741
332	=back	742	=back
333		743
334	=head2 RENDITION	744	=head2 RENDITION
335		745
…		…
362		772
363	=item $background = urxvt::GET_BASEBG $rend	773	=item $background = urxvt::GET_BASEBG $rend
364		774
365	Return the foreground/background colour index, respectively.	775	Return the foreground/background colour index, respectively.
366		776
367	=item $rend = urxvt::SET_FGCOLOR ($rend, $new_colour)	777	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour
368		778
369	=item $rend = urxvt::SET_BGCOLOR ($rend, $new_colour)	779	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour
		780
		781	=item $rend = urxvt::SET_COLOR $rend, $new_fg, $new_bg
370		782
371	Replace the foreground/background colour in the rendition mask with the	783	Replace the foreground/background colour in the rendition mask with the
372	specified one.	784	specified one.
373		785
374	=item $value = urxvt::GET_CUSTOM ($rend)	786	=item $value = urxvt::GET_CUSTOM $rend
375		787
376	Return the "custom" value: Every rendition has 5 bits for use by	788	Return the "custom" value: Every rendition has 5 bits for use by
377	extensions. They can be set and changed as you like and are initially	789	extensions. They can be set and changed as you like and are initially
378	zero.	790	zero.
379		791
380	=item $rend = urxvt::SET_CUSTOM ($rend, $new_value)	792	=item $rend = urxvt::SET_CUSTOM $rend, $new_value
381		793
382	Change the custom value.	794	Change the custom value.
383		795
384	=back	796	=back
385		797
386	=cut	798	=cut
387		799
388	package urxvt;
389
390	use strict;
391	use Scalar::Util ();
392
393	our $TERM;
394	our @HOOKNAME;
395	our $LIBDIR;
396
397	BEGIN {	800	BEGIN {
398	urxvt->bootstrap;
399
400	# overwrite perl's warn	801	# overwrite perl's warn
401	*CORE::GLOBAL::warn = sub {	802	*CORE::GLOBAL::warn = sub {
402	my $msg = join "", @_;	803	my $msg = join "", @_;
403	$msg .= "\n"	804	$msg .= "\n"
404	unless $msg =~ /\n$/;	805	unless $msg =~ /\n$/;
405	urxvt::warn ($msg);	806	urxvt::warn ($msg);
406	};	807	};
407	}	808	}
408		809
409	my @hook_count;	810	no warnings 'utf8';
		811
410	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};	812	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
411		813
412	sub verbose {	814	sub verbose {
413	my ($level, $msg) = @_;	815	my ($level, $msg) = @_;
414	warn "$msg\n" if $level <= $verbosity;	816	warn "$msg\n" if $level <= $verbosity;
415	}	817	}
416		818
417	# find on_xxx subs in the package and register them
418	# as hooks
419	sub register_package($) {
420	my ($pkg) = @_;
421
422	for my $htype (0.. $#HOOKNAME) {
423	my $name = $HOOKNAME[$htype];
424
425	my $ref = $pkg->can ("on_" . lc $name)
426	or next;
427
428	$TERM->{_hook}[$htype]{$pkg} = $ref;
429	$hook_count[$htype]++
430	or set_should_invoke $htype, 1;
431	}
432	}
433
434	my $extension_pkg = "extension0000";
435	my %extension_pkg;	819	my %extension_pkg;
436		820
437	# load a single script into its own package, once only	821	# load a single script into its own package, once only
438	sub extension_package($) {	822	sub extension_package($) {
439	my ($path) = @_;	823	my ($path) = @_;
440		824
441	$extension_pkg{$path} ||= do {	825	$extension_pkg{$path} ||= do {
442	my $pkg = "urxvt::" . ($extension_pkg++);	826	$path =~ /([^\/\\]+)$/;
		827	my $pkg = $1;
		828	$pkg =~ s/[^[:word:]]/_/g;
		829	$pkg = "urxvt::ext::$pkg";
443		830
444	verbose 3, "loading extension '$path' into package '$pkg'";	831	verbose 3, "loading extension '$path' into package '$pkg'";
445		832
446	open my $fh, "<:raw", $path	833	open my $fh, "<:raw", $path
447	or die "$path: $!";	834	or die "$path: $!";
448		835
449	my $source = "package $pkg; use strict; use utf8;\n"	836	my $source =
450	. "use base urxvt::term::proxy::;\n"	837	"package $pkg; use strict; use utf8; no warnings 'utf8';\n"
451	. "#line 1 \"$path\"\n{\n"	838	. "#line 1 \"$path\"\n{\n"
452	. (do { local $/; <$fh> })	839	. (do { local $/; <$fh> })
453	. "\n};\n1";	840	. "\n};\n1";
454		841
		842	eval $source
455	eval $source or die "$path: $@";	843	or die "$path: $@";
456		844
457	$pkg	845	$pkg
458	}	846	}
459	}	847	}
460		848
…		…
465	local $TERM = shift;	853	local $TERM = shift;
466	my $htype = shift;	854	my $htype = shift;
467		855
468	if ($htype == 0) { # INIT	856	if ($htype == 0) { # INIT
469	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");	857	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
		858
		859	my %ext_arg;
470		860
		861	{
		862	my @init = @TERM_INIT;
		863	@TERM_INIT = ();
		864	$_->($TERM) for @init;
		865	my @pkg = @TERM_EXT;
		866	@TERM_EXT = ();
		867	$TERM->register_package ($_) for @pkg;
		868	}
		869
471	for my $ext (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {	870	for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
		871	if ($_ eq "default") {
		872	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline);
		873	} elsif (/^-(.*)$/) {
		874	delete $ext_arg{$1};
		875	} elsif (/^([^<]+)<(.*)>$/) {
		876	push @{ $ext_arg{$1} }, $2;
		877	} else {
		878	$ext_arg{$_} ||= [];
		879	}
		880	}
		881
		882	for my $ext (sort keys %ext_arg) {
472	my @files = grep -f $_, map "$_/$ext", @dirs;	883	my @files = grep -f $_, map "$_/$ext", @dirs;
473		884
474	if (@files) {	885	if (@files) {
475	register_package extension_package $files[0];	886	$TERM->register_package (extension_package $files[0], $ext_arg{$ext});
476	} else {	887	} else {
477	warn "perl extension '$ext' not found in perl library search path\n";	888	warn "perl extension '$ext' not found in perl library search path\n";
478	}	889	}
479	}	890	}
		891
		892	eval "#line 1 \"--perl-eval resource/argument\"\n" . $TERM->resource ("perl_eval");
		893	warn $@ if $@;
480	}	894	}
481		895
482	$retval = undef;	896	$retval = undef;
483		897
484	if (my $cb = $TERM->{_hook}[$htype]) {	898	if (my $cb = $TERM->{_hook}[$htype]) {
…		…
486	if $verbosity >= 10;	900	if $verbosity >= 10;
487		901
488	keys %$cb;	902	keys %$cb;
489		903
490	while (my ($pkg, $cb) = each %$cb) {	904	while (my ($pkg, $cb) = each %$cb) {
491	eval {	905	my $retval_ = eval { $cb->($TERM->{_pkg}{$pkg}, @_) };
492	$retval = $cb->(	906	$retval ||= $retval_;
493	$TERM->{_pkg}{$pkg} ||= do {
494	my $proxy = bless { }, $pkg;
495	Scalar::Util::weaken ($proxy->{term} = $TERM);
496	$proxy
497	},
498	@_,
499	) and last;
500	};
501	warn $@ if $@;#d#
502	}
503	}
504		907
505	if ($htype == 1) { # DESTROY	908	if ($@) {
506	# remove hooks if unused	909	$TERM->ungrab; # better to lose the grab than the session
507	if (my $hook = $TERM->{_hook}) {	910	warn $@;
508	for my $htype (0..$#$hook) {
509	$hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
510	or set_should_invoke $htype, 0;
511	}	911	}
512	}	912	}
513		913
		914	verbose 11, "$HOOKNAME[$htype] returning <$retval>"
		915	if $verbosity >= 11;
		916	}
		917
		918	if ($htype == 1) { # DESTROY
514	# clear package objects	919	# clear package objects
515	%$_ = () for values %{ $TERM->{_pkg} };	920	%$_ = () for values %{ $TERM->{_pkg} };
516		921
517	# clear package	922	# clear package
518	%$TERM = ();	923	%$TERM = ();
519	}	924	}
520		925
521	$retval	926	$retval
522	}	927	}
523		928
524	sub urxvt::term::proxy::AUTOLOAD {	929	sub SET_COLOR($$$) {
525	$urxvt::term::proxy::AUTOLOAD =~ /:([^:]+)$/	930	SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
		931	}
		932
		933	# urxvt::term::extension
		934
		935	package urxvt::term::extension;
		936
		937	sub enable {
		938	my ($self, %hook) = @_;
		939	my $pkg = $self->{_pkg};
		940
		941	while (my ($name, $cb) = each %hook) {
		942	my $htype = $HOOKTYPE{uc $name};
		943	defined $htype
		944	or Carp::croak "unsupported hook type '$name'";
		945
		946	$self->set_should_invoke ($htype, +1)
		947	unless exists $self->{term}{_hook}[$htype]{$pkg};
		948
		949	$self->{term}{_hook}[$htype]{$pkg} = $cb;
		950	}
		951	}
		952
		953	sub disable {
		954	my ($self, @hook) = @_;
		955	my $pkg = $self->{_pkg};
		956
		957	for my $name (@hook) {
		958	my $htype = $HOOKTYPE{uc $name};
		959	defined $htype
		960	or Carp::croak "unsupported hook type '$name'";
		961
		962	$self->set_should_invoke ($htype, -1)
		963	if delete $self->{term}{_hook}[$htype]{$pkg};
		964	}
		965	}
		966
		967	our $AUTOLOAD;
		968
		969	sub AUTOLOAD {
		970	$AUTOLOAD =~ /:([^:]+)$/
526	or die "FATAL: \$AUTOLOAD '$urxvt::term::proxy::AUTOLOAD' unparsable";	971	or die "FATAL: \$AUTOLOAD '$AUTOLOAD' unparsable";
527		972
528	eval qq{	973	eval qq{
529	sub $urxvt::term::proxy::AUTOLOAD {	974	sub $AUTOLOAD {
530	my \$proxy = shift;	975	my \$proxy = shift;
531	\$proxy->{term}->$1 (\@_)	976	\$proxy->{term}->$1 (\@_)
532	}	977	}
533	1	978	1
534	} or die "FATAL: unable to compile method forwarder: $@";	979	} or die "FATAL: unable to compile method forwarder: $@";
535		980
536	goto &$urxvt::term::proxy::AUTOLOAD;	981	goto &$AUTOLOAD;
537	}	982	}
		983
		984	sub DESTROY {
		985	# nop
		986	}
		987
		988	# urxvt::destroy_hook
		989
		990	sub urxvt::destroy_hook::DESTROY {
		991	${$_[0]}->();
		992	}
		993
		994	sub urxvt::destroy_hook(&) {
		995	bless \shift, urxvt::destroy_hook::
		996	}
		997
		998	package urxvt::anyevent;
		999
		1000	=head2 The C<urxvt::anyevent> Class
		1001
		1002	The sole purpose of this class is to deliver an interface to the
		1003	C<AnyEvent> module - any module using it will work inside urxvt without
		1004	further programming. The only exception is that you cannot wait on
		1005	condition variables, but non-blocking condvar use is ok. What this means
		1006	is that you cannot use blocking APIs, but the non-blocking variant should
		1007	work.
		1008
		1009	=cut
		1010
		1011	our $VERSION = 1;
		1012
		1013	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
		1014	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
		1015
		1016	sub timer {
		1017	my ($class, %arg) = @_;
		1018
		1019	my $cb = $arg{cb};
		1020
		1021	urxvt::timer
		1022	->new
		1023	->start (urxvt::NOW + $arg{after})
		1024	->cb (sub {
		1025	$_[0]->stop; # need to cancel manually
		1026	$cb->();
		1027	})
		1028	}
		1029
		1030	sub io {
		1031	my ($class, %arg) = @_;
		1032
		1033	my $cb = $arg{cb};
		1034
		1035	bless [$arg{fh}, urxvt::iow
		1036	->new
		1037	->fd (fileno $arg{fh})
		1038	->events (($arg{poll} =~ /r/ ? 1 : 0)
		1039	| ($arg{poll} =~ /w/ ? 2 : 0))
		1040	->start
		1041	->cb (sub {
		1042	$cb->(($_[1] & 1 ? 'r' : '')
		1043	. ($_[1] & 2 ? 'w' : ''));
		1044	})],
		1045	urxvt::anyevent::
		1046	}
		1047
		1048	sub DESTROY {
		1049	$_[0][1]->stop;
		1050	}
		1051
		1052	sub condvar {
		1053	bless \my $flag, urxvt::anyevent::condvar::
		1054	}
		1055
		1056	sub urxvt::anyevent::condvar::broadcast {
		1057	${$_[0]}++;
		1058	}
		1059
		1060	sub urxvt::anyevent::condvar::wait {
		1061	unless (${$_[0]}) {
		1062	Carp::croak "AnyEvent->condvar blocking wait unsupported in urxvt, use a non-blocking API";
		1063	}
		1064	}
		1065
		1066	package urxvt::term;
538		1067
539	=head2 The C<urxvt::term> Class	1068	=head2 The C<urxvt::term> Class
540		1069
541	=over 4	1070	=over 4
542		1071
		1072	=cut
		1073
		1074	# find on_xxx subs in the package and register them
		1075	# as hooks
		1076	sub register_package {
		1077	my ($self, $pkg, $argv) = @_;
		1078
		1079	no strict 'refs';
		1080
		1081	urxvt::verbose 6, "register package $pkg to $self";
		1082
		1083	@{"$pkg\::ISA"} = urxvt::term::extension::;
		1084
		1085	my $proxy = bless {
		1086	_pkg => $pkg,
		1087	argv => $argv,
		1088	}, $pkg;
		1089	Scalar::Util::weaken ($proxy->{term} = $self);
		1090
		1091	$self->{_pkg}{$pkg} = $proxy;
		1092
		1093	for my $name (@HOOKNAME) {
		1094	if (my $ref = $pkg->can ("on_" . lc $name)) {
		1095	$proxy->enable ($name => $ref);
		1096	}
		1097	}
		1098	}
		1099
		1100	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
		1101
		1102	Creates a new terminal, very similar as if you had started it with system
		1103	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
		1104	hash which defines the environment of the new terminal.
		1105
		1106	Croaks (and probably outputs an error message) if the new instance
		1107	couldn't be created. Returns C<undef> if the new instance didn't
		1108	initialise perl, and the terminal object otherwise. The C<init> and
		1109	C<start> hooks will be called before this call returns, and are free to
		1110	refer to global data (which is race free).
		1111
		1112	=cut
		1113
		1114	sub new {
		1115	my ($class, $env, @args) = @_;
		1116
		1117	$env or Carp::croak "environment hash missing in call to urxvt::term->new";
		1118	@args or Carp::croak "name argument missing in call to urxvt::term->new";
		1119
		1120	_new ([ map "$_=$env->{$_}", keys %$env ], \@args);
		1121	}
		1122
543	=item $term->destroy	1123	=item $term->destroy
544		1124
545	Destroy the terminal object (close the window, free resources etc.).	1125	Destroy the terminal object (close the window, free resources
		1126	etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event
		1127	watchers (timers, io watchers) are still active.
		1128
		1129	=item $term->exec_async ($cmd[, @args])
		1130
		1131	Works like the combination of the C<fork>/C<exec> builtins, which executes
		1132	("starts") programs in the background. This function takes care of setting
		1133	the user environment before exec'ing the command (e.g. C<PATH>) and should
		1134	be preferred over explicit calls to C<exec> or C<system>.
		1135
		1136	Returns the pid of the subprocess or C<undef> on error.
		1137
		1138	=cut
		1139
		1140	sub exec_async {
		1141	my $self = shift;
		1142
		1143	my $pid = fork;
		1144
		1145	return $pid
		1146	if !defined $pid or $pid;
		1147
		1148	%ENV = %{ $self->env };
		1149
		1150	exec @_;
		1151	urxvt::_exit 255;
		1152	}
		1153
		1154	=item $isset = $term->option ($optval[, $set])
		1155
		1156	Returns true if the option specified by C<$optval> is enabled, and
		1157	optionally change it. All option values are stored by name in the hash
		1158	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
		1159
		1160	Here is a a likely non-exhaustive list of option names, please see the
		1161	source file F</src/optinc.h> to see the actual list:
		1162
		1163	borderLess console cursorBlink cursorUnderline hold iconic insecure
		1164	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage
		1165	override-redirect pastableTabs pointerBlank reverseVideo scrollBar
		1166	scrollBar_floating scrollBar_right scrollTtyKeypress scrollTtyOutput
		1167	scrollWithBuffer secondaryScreen secondaryScroll skipBuiltinGlyphs
		1168	transparent tripleclickwords utmpInhibit visualBell
546		1169
547	=item $value = $term->resource ($name[, $newval])	1170	=item $value = $term->resource ($name[, $newval])
548		1171
549	Returns the current resource value associated with a given name and	1172	Returns the current resource value associated with a given name and
550	optionally sets a new value. Setting values is most useful in the C<init>	1173	optionally sets a new value. Setting values is most useful in the C<init>
…		…
560		1183
561	Please note that resource strings will currently only be freed when the	1184	Please note that resource strings will currently only be freed when the
562	terminal is destroyed, so changing options frequently will eat memory.	1185	terminal is destroyed, so changing options frequently will eat memory.
563		1186
564	Here is a a likely non-exhaustive list of resource names, not all of which	1187	Here is a a likely non-exhaustive list of resource names, not all of which
565	are supported in every build, please see the source to see the actual	1188	are supported in every build, please see the source file F</src/rsinc.h>
566	list:	1189	to see the actual list:
567		1190
568	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont	1191	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
569	borderLess color cursorBlink cursorUnderline cutchars delete_key	1192	borderLess color cursorBlink cursorUnderline cutchars delete_key
570	display_name embed ext_bwidth fade font geometry hold iconName	1193	display_name embed ext_bwidth fade font geometry hold iconName
571	imFont imLocale inputMethod insecure int_bwidth intensityStyles	1194	imFont imLocale inputMethod insecure int_bwidth intensityStyles
572	italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier	1195	italicFont jumpScroll lineSpace loginShell mapAlert meta8 modifier
573	mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2	1196	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
574	perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd	1197	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
575	reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating	1198	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
576	scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput	1199	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
577	scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle	1200	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
578	shade term_name title transparent transparent_all tripleclickwords	1201	secondaryScreen secondaryScroll selectstyle shade term_name title
579	utmpInhibit visualBell	1202	transient_for transparent transparent_all tripleclickwords utmpInhibit
		1203	visualBell
580		1204
581	=cut	1205	=cut
582		1206
583	sub urxvt::term::resource($$;$) {	1207	sub resource($$;$) {
584	my ($self, $name) = (shift, shift);	1208	my ($self, $name) = (shift, shift);
585	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);	1209	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
586	goto &urxvt::term::_resource;	1210	&urxvt::term::_resource
587	}	1211	}
		1212
		1213	=item $value = $term->x_resource ($pattern)
		1214
		1215	Returns the X-Resource for the given pattern, excluding the program or
		1216	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
		1217	same value as used by this instance of rxvt-unicode. Returns C<undef> if no
		1218	resource with that pattern exists.
		1219
		1220	This method should only be called during the C<on_start> hook, as there is
		1221	only one resource database per display, and later invocations might return
		1222	the wrong resources.
		1223
		1224	=item $success = $term->parse_keysym ($keysym_spec, $command_string)
		1225
		1226	Adds a keymap translation exactly as specified via a resource. See the
		1227	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.
588		1228
589	=item $rend = $term->rstyle ([$new_rstyle])	1229	=item $rend = $term->rstyle ([$new_rstyle])
590		1230
591	Return and optionally change the current rendition. Text that is output by	1231	Return and optionally change the current rendition. Text that is output by
592	the terminal application will use this style.	1232	the terminal application will use this style.
…		…
603	=item ($row, $col) = $term->selection_end ([$row, $col])	1243	=item ($row, $col) = $term->selection_end ([$row, $col])
604		1244
605	Return the current values of the selection mark, begin or end positions,	1245	Return the current values of the selection mark, begin or end positions,
606	and optionally set them to new values.	1246	and optionally set them to new values.
607		1247
		1248	=item $term->selection_make ($eventtime[, $rectangular])
		1249
		1250	Tries to make a selection as set by C<selection_beg> and
		1251	C<selection_end>. If C<$rectangular> is true (default: false), a
		1252	rectangular selection will be made. This is the prefered function to make
		1253	a selection.
		1254
608	=item $success = $term->selection_grab ($eventtime)	1255	=item $success = $term->selection_grab ($eventtime)
609		1256
610	Try to request the primary selection from the server (for example, as set	1257	Try to request the primary selection text from the server (for example, as
611	by the next method).	1258	set by the next method). No visual feedback will be given. This function
		1259	is mostly useful from within C<on_sel_grab> hooks.
612		1260
613	=item $oldtext = $term->selection ([$newtext])	1261	=item $oldtext = $term->selection ([$newtext])
614		1262
615	Return the current selection text and optionally replace it by C<$newtext>.	1263	Return the current selection text and optionally replace it by C<$newtext>.
616		1264
617	#=item $term->overlay ($x, $y, $text)	1265	=item $term->overlay_simple ($x, $y, $text)
618	#	1266
619	#Create a simple multi-line overlay box. See the next method for details.	1267	Create a simple multi-line overlay box. See the next method for details.
620	#	1268
621	#=cut	1269	=cut
622	#	1270
623	#sub urxvt::term::scr_overlay {	1271	sub overlay_simple {
624	# my ($self, $x, $y, $text) = @_;	1272	my ($self, $x, $y, $text) = @_;
625	#	1273
626	# my @lines = split /\n/, $text;	1274	my @lines = split /\n/, $text;
627	#	1275
628	# my $w = 0;	1276	my $w = List::Util::max map $self->strwidth ($_), @lines;
629	# for (map $self->strwidth ($_), @lines) {	1277
630	# $w = $_ if $w < $_;
631	# }
632	#
633	# $self->scr_overlay_new ($x, $y, $w, scalar @lines);	1278	my $overlay = $self->overlay ($x, $y, $w, scalar @lines);
634	# $self->scr_overlay_set (0, $_, $lines[$_]) for 0.. $#lines;	1279	$overlay->set (0, $_, $lines[$_]) for 0.. $#lines;
635	#}	1280
		1281	$overlay
		1282	}
636		1283
637	=item $term->overlay ($x, $y, $width, $height[, $rstyle[, $border]])	1284	=item $term->overlay ($x, $y, $width, $height[, $rstyle[, $border]])
638		1285
639	Create a new (empty) overlay at the given position with the given	1286	Create a new (empty) overlay at the given position with the given
640	width/height. C<$rstyle> defines the initial rendition style	1287	width/height. C<$rstyle> defines the initial rendition style
…		…
667		1314
668	If hidden, display the overlay again.	1315	If hidden, display the overlay again.
669		1316
670	=back	1317	=back
671		1318
		1319	=item $popup = $term->popup ($event)
		1320
		1321	Creates a new C<urxvt::popup> object that implements a popup menu. The
		1322	C<$event> I<must> be the event causing the menu to pop up (a button event,
		1323	currently).
		1324
		1325	=cut
		1326
		1327	sub popup {
		1328	my ($self, $event) = @_;
		1329
		1330	$self->grab ($event->{time}, 1)
		1331	or return;
		1332
		1333	my $popup = bless {
		1334	term => $self,
		1335	event => $event,
		1336	}, urxvt::popup::;
		1337
		1338	Scalar::Util::weaken $popup->{term};
		1339
		1340	$self->{_destroy}{$popup} = urxvt::destroy_hook { $popup->{popup}->destroy };
		1341	Scalar::Util::weaken $self->{_destroy}{$popup};
		1342
		1343	$popup
		1344	}
		1345
672	=item $cellwidth = $term->strwidth ($string)	1346	=item $cellwidth = $term->strwidth ($string)
673		1347
674	Returns the number of screen-cells this string would need. Correctly	1348	Returns the number of screen-cells this string would need. Correctly
675	accounts for wide and combining characters.	1349	accounts for wide and combining characters.
676		1350
…		…
679	Convert the given text string into the corresponding locale encoding.	1353	Convert the given text string into the corresponding locale encoding.
680		1354
681	=item $string = $term->locale_decode ($octets)	1355	=item $string = $term->locale_decode ($octets)
682		1356
683	Convert the given locale-encoded octets into a perl string.	1357	Convert the given locale-encoded octets into a perl string.
		1358
		1359	=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])
		1360
		1361	XORs the rendition values in the given span with the provided value
		1362	(default: C<RS_RVid>), which I<MUST NOT> contain font styles. Useful in
		1363	refresh hooks to provide effects similar to the selection.
		1364
		1365	=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])
		1366
		1367	Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing
		1368	whitespace will additionally be xored with the C<$rstyle2>, which defaults
		1369	to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines
		1370	it instead. Both styles I<MUST NOT> contain font styles.
		1371
		1372	=item $term->scr_bell
		1373
		1374	Ring the bell!
684		1375
685	=item $term->scr_add_lines ($string)	1376	=item $term->scr_add_lines ($string)
686		1377
687	Write the given text string to the screen, as if output by the application	1378	Write the given text string to the screen, as if output by the application
688	running inside the terminal. It may not contain command sequences (escape	1379	running inside the terminal. It may not contain command sequences (escape
…		…
691		1382
692	Normally its not a good idea to use this function, as programs might be	1383	Normally its not a good idea to use this function, as programs might be
693	confused by changes in cursor position or scrolling. Its useful inside a	1384	confused by changes in cursor position or scrolling. Its useful inside a
694	C<on_add_lines> hook, though.	1385	C<on_add_lines> hook, though.
695		1386
		1387	=item $term->scr_change_screen ($screen)
		1388
		1389	Switch to given screen - 0 primary, 1 secondary.
		1390
696	=item $term->cmd_parse ($octets)	1391	=item $term->cmd_parse ($octets)
697		1392
698	Similar to C<scr_add_lines>, but the argument must be in the	1393	Similar to C<scr_add_lines>, but the argument must be in the
699	locale-specific encoding of the terminal and can contain command sequences	1394	locale-specific encoding of the terminal and can contain command sequences
700	(escape codes) that will be interpreted.	1395	(escape codes) that will be interpreted.
…		…
703		1398
704	Write the octets given in C<$data> to the tty (i.e. as program input). To	1399	Write the octets given in C<$data> to the tty (i.e. as program input). To
705	pass characters instead of octets, you should convert your strings first	1400	pass characters instead of octets, you should convert your strings first
706	to the locale-specific encoding using C<< $term->locale_encode >>.	1401	to the locale-specific encoding using C<< $term->locale_encode >>.
707		1402
		1403	=item $old_events = $term->pty_ev_events ([$new_events])
		1404
		1405	Replaces the event mask of the pty watcher by the given event mask. Can
		1406	be used to suppress input and output handling to the pty/tty. See the
		1407	description of C<< urxvt::timer->events >>. Make sure to always restore
		1408	the previous value.
		1409
		1410	=item $fd = $term->pty_fd
		1411
		1412	Returns the master file descriptor for the pty in use, or C<-1> if no pty
		1413	is used.
		1414
708	=item $windowid = $term->parent	1415	=item $windowid = $term->parent
709		1416
710	Return the window id of the toplevel window.	1417	Return the window id of the toplevel window.
711		1418
712	=item $windowid = $term->vt	1419	=item $windowid = $term->vt
713		1420
714	Return the window id of the terminal window.	1421	Return the window id of the terminal window.
715		1422
		1423	=item $term->vt_emask_add ($x_event_mask)
		1424
		1425	Adds the specified events to the vt event mask. Useful e.g. when you want
		1426	to receive pointer events all the times:
		1427
		1428	$term->vt_emask_add (urxvt::PointerMotionMask);
		1429
		1430	=item $term->focus_in
		1431
		1432	=item $term->focus_out
		1433
		1434	=item $term->key_press ($state, $keycode[, $time])
		1435
		1436	=item $term->key_release ($state, $keycode[, $time])
		1437
		1438	Deliver various fake events to to terminal.
		1439
716	=item $window_width = $term->width	1440	=item $window_width = $term->width
717		1441
718	=item $window_height = $term->height	1442	=item $window_height = $term->height
719		1443
720	=item $font_width = $term->fwidth	1444	=item $font_width = $term->fwidth
…		…
733		1457
734	=item $max_scrollback = $term->saveLines	1458	=item $max_scrollback = $term->saveLines
735		1459
736	=item $nrow_plus_saveLines = $term->total_rows	1460	=item $nrow_plus_saveLines = $term->total_rows
737		1461
738	=item $lines_in_scrollback = $term->nsaved	1462	=item $topmost_scrollback_row = $term->top_row
739		1463
740	Return various integers describing terminal characteristics.	1464	Return various integers describing terminal characteristics.
741		1465
		1466	=item $x_display = $term->display_id
		1467
		1468	Return the DISPLAY used by rxvt-unicode.
		1469
		1470	=item $lc_ctype = $term->locale
		1471
		1472	Returns the LC_CTYPE category string used by this rxvt-unicode.
		1473
		1474	=item $env = $term->env
		1475
		1476	Returns a copy of the environment in effect for the terminal as a hashref
		1477	similar to C<\%ENV>.
		1478
		1479	=cut
		1480
		1481	sub env {
		1482	if (my $env = $_[0]->_env) {
		1483	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), @$env }
		1484	} else {
		1485	+{ %ENV }
		1486	}
		1487	}
		1488
		1489	=item $modifiermask = $term->ModLevel3Mask
		1490
		1491	=item $modifiermask = $term->ModMetaMask
		1492
		1493	=item $modifiermask = $term->ModNumLockMask
		1494
		1495	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
		1496	AltGr), the meta key (often Alt) and the num lock key, if applicable.
		1497
		1498	=item $screen = $term->current_screen
		1499
		1500	Returns the currently displayed screen (0 primary, 1 secondary).
		1501
		1502	=item $cursor_is_hidden = $term->hidden_cursor
		1503
		1504	Returns wether the cursor is currently hidden or not.
		1505
742	=item $view_start = $term->view_start ([$newvalue])	1506	=item $view_start = $term->view_start ([$newvalue])
743		1507
744	Returns the negative row number of the topmost line. Minimum value is	1508	Returns the row number of the topmost displayed line. Maximum value is
745	C<0>, which displays the normal terminal contents. Larger values scroll	1509	C<0>, which displays the normal terminal contents. Lower values scroll
746	this many lines into the scrollback buffer.	1510	this many lines into the scrollback buffer.
747		1511
748	=item $term->want_refresh	1512	=item $term->want_refresh
749		1513
750	Requests a screen refresh. At the next opportunity, rxvt-unicode will	1514	Requests a screen refresh. At the next opportunity, rxvt-unicode will
…		…
765	line, starting at column C<$start_col> (default C<0>), which is useful	1529	line, starting at column C<$start_col> (default C<0>), which is useful
766	to replace only parts of a line. The font index in the rendition will	1530	to replace only parts of a line. The font index in the rendition will
767	automatically be updated.	1531	automatically be updated.
768		1532
769	C<$text> is in a special encoding: tabs and wide characters that use more	1533	C<$text> is in a special encoding: tabs and wide characters that use more
770	than one cell when displayed are padded with urxvt::NOCHAR characters	1534	than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
771	(C<chr 65535>). Characters with combining characters and other characters	1535	characters. Characters with combining characters and other characters that
772	that do not fit into the normal tetx encoding will be replaced with	1536	do not fit into the normal tetx encoding will be replaced with characters
773	characters in the private use area.	1537	in the private use area.
774		1538
775	You have to obey this encoding when changing text. The advantage is	1539	You have to obey this encoding when changing text. The advantage is
776	that C<substr> and similar functions work on screen cells and not on	1540	that C<substr> and similar functions work on screen cells and not on
777	characters.	1541	characters.
778		1542
…		…
829	Return the row number of the first/last row of the line, respectively.	1593	Return the row number of the first/last row of the line, respectively.
830		1594
831	=item $offset = $line->offset_of ($row, $col)	1595	=item $offset = $line->offset_of ($row, $col)
832		1596
833	Returns the character offset of the given row|col pair within the logical	1597	Returns the character offset of the given row|col pair within the logical
834	line.	1598	line. Works for rows outside the line, too, and returns corresponding
		1599	offsets outside the string.
835		1600
836	=item ($row, $col) = $line->coord_of ($offset)	1601	=item ($row, $col) = $line->coord_of ($offset)
837		1602
838	Translates a string offset into terminal coordinates again.	1603	Translates a string offset into terminal coordinates again.
839		1604
840	=back	1605	=back
841		1606
842	=cut	1607	=cut
843		1608
844	sub urxvt::term::line {	1609	sub line {
845	my ($self, $row) = @_;	1610	my ($self, $row) = @_;
846		1611
847	my $maxrow = $self->nrow - 1;	1612	my $maxrow = $self->nrow - 1;
848		1613
849	my ($beg, $end) = ($row, $row);	1614	my ($beg, $end) = ($row, $row);
…		…
913	$offset / $self->{ncol} + $self->{beg},	1678	$offset / $self->{ncol} + $self->{beg},
914	$offset % $self->{ncol}	1679	$offset % $self->{ncol}
915	)	1680	)
916	}	1681	}
917		1682
918	=item ($row, $col) = $line->coord_of ($offset)
919	=item $text = $term->special_encode $string	1683	=item $text = $term->special_encode $string
920		1684
921	Converts a perl string into the special encoding used by rxvt-unicode,	1685	Converts a perl string into the special encoding used by rxvt-unicode,
922	where one character corresponds to one screen cell. See	1686	where one character corresponds to one screen cell. See
923	C<< $term->ROW_t >> for details.	1687	C<< $term->ROW_t >> for details.
…		…
925	=item $string = $term->special_decode $text	1689	=item $string = $term->special_decode $text
926		1690
927	Converts rxvt-unicodes text reprsentation into a perl string. See	1691	Converts rxvt-unicodes text reprsentation into a perl string. See
928	C<< $term->ROW_t >> for details.	1692	C<< $term->ROW_t >> for details.
929		1693
		1694	=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
		1695
		1696	=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
		1697
		1698	Register/unregister a synchronous button grab. See the XGrabButton
		1699	manpage.
		1700
		1701	=item $success = $term->grab ($eventtime[, $sync])
		1702
		1703	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
		1704	synchronous (C<$sync> is true). Also remembers the grab timestampe.
		1705
		1706	=item $term->allow_events_async
		1707
		1708	Calls XAllowEvents with AsyncBoth for the most recent grab.
		1709
		1710	=item $term->allow_events_sync
		1711
		1712	Calls XAllowEvents with SyncBoth for the most recent grab.
		1713
		1714	=item $term->allow_events_replay
		1715
		1716	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
		1717	recent grab.
		1718
		1719	=item $term->ungrab
		1720
		1721	Calls XUngrab for the most recent grab. Is called automatically on
		1722	evaluation errors, as it is better to lose the grab in the error case as
		1723	the session.
		1724
		1725	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
		1726
		1727	=item $atom_name = $term->XGetAtomName ($atom)
		1728
		1729	=item @atoms = $term->XListProperties ($window)
		1730
		1731	=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
		1732
		1733	=item $term->XChangeWindowProperty ($window, $property, $type, $format, $octets)
		1734
		1735	=item $term->XDeleteProperty ($window, $property)
		1736
		1737	=item $window = $term->DefaultRootWindow
		1738
		1739	=item $term->XReparentWindow ($window, $parent, [$x, $y])
		1740
		1741	=item $term->XMapWindow ($window)
		1742
		1743	=item $term->XUnmapWindow ($window)
		1744
		1745	=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
		1746
		1747	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
		1748
		1749	=item $term->XChangeInput ($window, $add_events[, $del_events])
		1750
		1751	Various X or X-related functions. The C<$term> object only serves as
		1752	the source of the display, otherwise those functions map more-or-less
		1753	directory onto the X functions of the same name.
		1754
930	=back	1755	=back
		1756
		1757	=cut
		1758
		1759	package urxvt::popup;
		1760
		1761	=head2 The C<urxvt::popup> Class
		1762
		1763	=over 4
		1764
		1765	=cut
		1766
		1767	sub add_item {
		1768	my ($self, $item) = @_;
		1769
		1770	$item->{rend}{normal} = "\x1b[0;30;47m" unless exists $item->{rend}{normal};
		1771	$item->{rend}{hover} = "\x1b[0;30;46m" unless exists $item->{rend}{hover};
		1772	$item->{rend}{active} = "\x1b[m" unless exists $item->{rend}{active};
		1773
		1774	$item->{render} ||= sub { $_[0]{text} };
		1775
		1776	push @{ $self->{item} }, $item;
		1777	}
		1778
		1779	=item $popup->add_title ($title)
		1780
		1781	Adds a non-clickable title to the popup.
		1782
		1783	=cut
		1784
		1785	sub add_title {
		1786	my ($self, $title) = @_;
		1787
		1788	$self->add_item ({
		1789	rend => { normal => "\x1b[38;5;11;44m", hover => "\x1b[38;5;11;44m", active => "\x1b[38;5;11;44m" },
		1790	text => $title,
		1791	activate => sub { },
		1792	});
		1793	}
		1794
		1795	=item $popup->add_separator ([$sepchr])
		1796
		1797	Creates a separator, optionally using the character given as C<$sepchr>.
		1798
		1799	=cut
		1800
		1801	sub add_separator {
		1802	my ($self, $sep) = @_;
		1803
		1804	$sep ||= "=";
		1805
		1806	$self->add_item ({
		1807	rend => { normal => "\x1b[0;30;47m", hover => "\x1b[0;30;47m", active => "\x1b[0;30;47m" },
		1808	text => "",
		1809	render => sub { $sep x $self->{term}->ncol },
		1810	activate => sub { },
		1811	});
		1812	}
		1813
		1814	=item $popup->add_button ($text, $cb)
		1815
		1816	Adds a clickable button to the popup. C<$cb> is called whenever it is
		1817	selected.
		1818
		1819	=cut
		1820
		1821	sub add_button {
		1822	my ($self, $text, $cb) = @_;
		1823
		1824	$self->add_item ({ type => "button", text => $text, activate => $cb});
		1825	}
		1826
		1827	=item $popup->add_toggle ($text, $initial_value, $cb)
		1828
		1829	Adds a toggle/checkbox item to the popup. The callback gets called
		1830	whenever it gets toggled, with a boolean indicating its new value as its
		1831	first argument.
		1832
		1833	=cut
		1834
		1835	sub add_toggle {
		1836	my ($self, $text, $value, $cb) = @_;
		1837
		1838	my $item; $item = {
		1839	type => "button",
		1840	text => " $text",
		1841	value => $value,
		1842	render => sub { ($_[0]{value} ? "* " : " ") . $text },
		1843	activate => sub { $cb->($_[1]{value} = !$_[1]{value}); },
		1844	};
		1845
		1846	$self->add_item ($item);
		1847	}
		1848
		1849	=item $popup->show
		1850
		1851	Displays the popup (which is initially hidden).
		1852
		1853	=cut
		1854
		1855	sub show {
		1856	my ($self) = @_;
		1857
		1858	local $urxvt::popup::self = $self;
		1859
		1860	my $env = $self->{term}->env;
		1861	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
		1862	delete $env->{LC_ALL};
		1863	$env->{LC_CTYPE} = $self->{term}->locale;
		1864
		1865	urxvt::term->new ($env, "popup",
		1866	"--perl-lib" => "", "--perl-ext-common" => "",
		1867	"-pty-fd" => -1, "-sl" => 0,
		1868	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
		1869	"--transient-for" => $self->{term}->parent,
		1870	"-display" => $self->{term}->display_id,
		1871	"-pe" => "urxvt-popup")
		1872	or die "unable to create popup window\n";
		1873	}
		1874
		1875	sub DESTROY {
		1876	my ($self) = @_;
		1877
		1878	delete $self->{term}{_destroy}{$self};
		1879	$self->{term}->ungrab;
		1880	}
		1881
		1882	=back
		1883
		1884	=cut
		1885
		1886	package urxvt::watcher;
		1887
		1888	@urxvt::timer::ISA = __PACKAGE__;
		1889	@urxvt::iow::ISA = __PACKAGE__;
		1890	@urxvt::pw::ISA = __PACKAGE__;
		1891	@urxvt::iw::ISA = __PACKAGE__;
931		1892
932	=head2 The C<urxvt::timer> Class	1893	=head2 The C<urxvt::timer> Class
933		1894
934	This class implements timer watchers/events. Time is represented as a	1895	This class implements timer watchers/events. Time is represented as a
935	fractional number of seconds since the epoch. Example:	1896	fractional number of seconds since the epoch. Example:
…		…
974		1935
975	=item $timer = $timer->start ($tstamp)	1936	=item $timer = $timer->start ($tstamp)
976		1937
977	Set the event trigger time to C<$tstamp> and start the timer.	1938	Set the event trigger time to C<$tstamp> and start the timer.
978		1939
		1940	=item $timer = $timer->after ($delay)
		1941
		1942	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
		1943
979	=item $timer = $timer->stop	1944	=item $timer = $timer->stop
980		1945
981	Stop the timer.	1946	Stop the timer.
982		1947
983	=back	1948	=back
…		…
988		1953
989	$term->{socket} = ...	1954	$term->{socket} = ...
990	$term->{iow} = urxvt::iow	1955	$term->{iow} = urxvt::iow
991	->new	1956	->new
992	->fd (fileno $term->{socket})	1957	->fd (fileno $term->{socket})
993	->events (1) # wait for read data	1958	->events (urxvt::EVENT_READ)
994	->start	1959	->start
995	->cb (sub {	1960	->cb (sub {
996	my ($iow, $revents) = @_;	1961	my ($iow, $revents) = @_;
997	# $revents must be 1 here, no need to check	1962	# $revents must be 1 here, no need to check
998	sysread $term->{socket}, my $buf, 8192	1963	sysread $term->{socket}, my $buf, 8192
…		…
1015		1980
1016	Set the filedescriptor (not handle) to watch.	1981	Set the filedescriptor (not handle) to watch.
1017		1982
1018	=item $iow = $iow->events ($eventmask)	1983	=item $iow = $iow->events ($eventmask)
1019		1984
1020	Set the event mask to watch. Bit #0 (value C<1>) enables watching for read	1985	Set the event mask to watch. The only allowed values are
1021	data, Bit #1 (value C<2>) enables watching for write data.	1986	C<urxvt::EVENT_READ> and C<urxvt::EVENT_WRITE>, which might be ORed
		1987	together, or C<urxvt::EVENT_NONE>.
1022		1988
1023	=item $iow = $iow->start	1989	=item $iow = $iow->start
1024		1990
1025	Start watching for requested events on the given handle.	1991	Start watching for requested events on the given handle.
1026		1992
1027	=item $iow = $iow->stop	1993	=item $iow = $iow->stop
1028		1994
1029	Stop watching for events on the given filehandle.	1995	Stop watching for events on the given filehandle.
		1996
		1997	=back
		1998
		1999	=head2 The C<urxvt::iw> Class
		2000
		2001	This class implements idle watchers, that get called automatically when
		2002	the process is idle. They should return as fast as possible, after doing
		2003	some useful work.
		2004
		2005	=over 4
		2006
		2007	=item $iw = new urxvt::iw
		2008
		2009	Create a new idle watcher object in stopped state.
		2010
		2011	=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
		2012
		2013	Set the callback to be called when the watcher triggers.
		2014
		2015	=item $timer = $timer->start
		2016
		2017	Start the watcher.
		2018
		2019	=item $timer = $timer->stop
		2020
		2021	Stop the watcher.
		2022
		2023	=back
		2024
		2025	=head2 The C<urxvt::pw> Class
		2026
		2027	This class implements process watchers. They create an event whenever a
		2028	process exits, after which they stop automatically.
		2029
		2030	my $pid = fork;
		2031	...
		2032	$term->{pw} = urxvt::pw
		2033	->new
		2034	->start ($pid)
		2035	->cb (sub {
		2036	my ($pw, $exit_status) = @_;
		2037	...
		2038	});
		2039
		2040	=over 4
		2041
		2042	=item $pw = new urxvt::pw
		2043
		2044	Create a new process watcher in stopped state.
		2045
		2046	=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
		2047
		2048	Set the callback to be called when the timer triggers.
		2049
		2050	=item $pw = $timer->start ($pid)
		2051
		2052	Tells the wqtcher to start watching for process C<$pid>.
		2053
		2054	=item $pw = $pw->stop
		2055
		2056	Stop the watcher.
1030		2057
1031	=back	2058	=back
1032		2059
1033	=head1 ENVIRONMENT	2060	=head1 ENVIRONMENT
1034		2061
…		…
1037	This variable controls the verbosity level of the perl extension. Higher	2064	This variable controls the verbosity level of the perl extension. Higher
1038	numbers indicate more verbose output.	2065	numbers indicate more verbose output.
1039		2066
1040	=over 4	2067	=over 4
1041		2068
1042	=item =0 - only fatal messages	2069	=item == 0 - fatal messages
1043		2070
1044	=item =3 - script loading and management	2071	=item >= 3 - script loading and management
1045		2072
1046	=item =10 - all events received	2073	=item >=10 - all called hooks
		2074
		2075	=item >=11 - hook reutrn values
1047		2076
1048	=back	2077	=back
1049		2078
1050	=head1 AUTHOR	2079	=head1 AUTHOR
1051		2080

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