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Comparing rxvt-unicode/src/urxvt.pm (file contents):
Revision 1.96 by root, Tue Jan 17 16:22:41 2006 UTC vs.
Revision 1.211 by root, Wed Jun 6 14:34:03 2012 UTC

…		…
17		17
18	@@RXVT_NAME@@ --perl-lib $HOME -pe grab_test	18	@@RXVT_NAME@@ --perl-lib $HOME -pe grab_test
19		19
20	=head1 DESCRIPTION	20	=head1 DESCRIPTION
21		21
22	Everytime a terminal object gets created, extension scripts specified via	22	Every time a terminal object gets created, extension scripts specified via
23	the C<perl> resource are loaded and associated with it.	23	the C<perl> resource are loaded and associated with it.
24		24
25	Scripts are compiled in a 'use strict' and 'use utf8' environment, and	25	Scripts are compiled in a 'use strict' and 'use utf8' environment, and
26	thus must be encoded as UTF-8.	26	thus must be encoded as UTF-8.
27		27
28	Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where	28	Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where
29	scripts will be shared (but not enabled) for all terminals.	29	scripts will be shared (but not enabled) for all terminals.
30		30
		31	You can disable the embedded perl interpreter by setting both "perl-ext"
		32	and "perl-ext-common" resources to the empty string.
		33
31	=head1 PREPACKAGED EXTENSIONS	34	=head1 PREPACKAGED EXTENSIONS
32		35
33	This section describes the extensions delivered with this release. You can	36	This section describes the extensions delivered with this release. You can
34	find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>.	37	find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>.
35		38
36	You can activate them like this:	39	You can activate them like this:
37		40
38	@@RXVT_NAME@@ -pe <extensionname>	41	@@RXVT_NAME@@ -pe <extensionname>
		42
		43	Or by adding them to the resource for extensions loaded by default:
		44
		45	URxvt.perl-ext-common: default,selection-autotransform
39		46
40	=over 4	47	=over 4
41		48
42	=item selection (enabled by default)	49	=item selection (enabled by default)
43		50
…		…
58	URxvt.selection.pattern-1: perl-regex	65	URxvt.selection.pattern-1: perl-regex
59	...	66	...
60		67
61	The index number (0, 1...) must not have any holes, and each regex must	68	The index number (0, 1...) must not have any holes, and each regex must
62	contain at least one pair of capturing parentheses, which will be used for	69	contain at least one pair of capturing parentheses, which will be used for
63	the match. For example, the followign adds a regex that matches everything	70	the match. For example, the following adds a regex that matches everything
64	between two vertical bars:	71	between two vertical bars:
65		72
66	URxvt.selection.pattern-0: \\|([^|]+)\\|	73	URxvt.selection.pattern-0: \\|([^|]+)\\|
		74
		75	Another example: Programs I use often output "absolute path: " at the
		76	beginning of a line when they process multiple files. The following
		77	pattern matches the filename (note, there is a single space at the very
		78	end):
		79
		80	URxvt.selection.pattern-0: ^(/[^:]+):\
67		81
68	You can look at the source of the selection extension to see more	82	You can look at the source of the selection extension to see more
69	interesting uses, such as parsing a line from beginning to end.	83	interesting uses, such as parsing a line from beginning to end.
70		84
71	This extension also offers following bindable keyboard commands:	85	This extension also offers following bindable keyboard commands:
…		…
76		90
77	Rot-13 the selection when activated. Used via keyboard trigger:	91	Rot-13 the selection when activated. Used via keyboard trigger:
78		92
79	URxvt.keysym.C-M-r: perl:selection:rot13	93	URxvt.keysym.C-M-r: perl:selection:rot13
80		94
81	=item remote-pastebin
82
83	Upload the selection as textfile to a remote site.
84
85	URxvt.keysym.C-M-e: perl:selection:remote-pastebin
86
87	To set the command to upload the file set this resource:
88
89	URxvt.selection-pastebin-cmd: rsync -apP % ruth:/var/www/www.ta-sa.org/files/txt/.
90
91	The % is the placeholder for the textfile. The name of the textfile is the hex encoded
92	md5 sum of the selection.
93	After an successful upload the selection will be replaced by the following url
94	(the % is the placeholder for the filename):
95
96	URxvt.selection-pastebin-url: http://www.ta-sa.org/files/txt/%
97
98	=back	95	=back
99		96
100	=item option-popup (enabled by default)	97	=item option-popup (enabled by default)
101		98
102	Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at	99	Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at
103	runtime.	100	runtime.
104		101
		102	Other extensions can extend this popup menu by pushing a code reference
		103	onto C<@{ $term->{option_popup_hook} }>, which gets called whenever the
		104	popup is being displayed.
		105
		106	Its sole argument is the popup menu, which can be modified. It should
		107	either return nothing or a string, the initial boolean value and a code
		108	reference. The string will be used as button text and the code reference
		109	will be called when the toggle changes, with the new boolean value as
		110	first argument.
		111
		112	The following will add an entry C<myoption> that changes
		113	C<< $self->{myoption} >>:
		114
		115	push @{ $self->{term}{option_popup_hook} }, sub {
		116	("my option" => $myoption, sub { $self->{myoption} = $_[0] })
		117	};
		118
105	=item selection-popup (enabled by default)	119	=item selection-popup (enabled by default)
106		120
107	Binds a popup menu to Ctrl-Button3 that lets you convert the selection	121	Binds a popup menu to Ctrl-Button3 that lets you convert the selection
108	text into various other formats/action (such as uri unescaping, perl	122	text into various other formats/action (such as uri unescaping, perl
109	evalution, web-browser starting etc.), depending on content.	123	evaluation, web-browser starting etc.), depending on content.
		124
		125	Other extensions can extend this popup menu by pushing a code reference
		126	onto C<@{ $term->{selection_popup_hook} }>, which gets called whenever the
		127	popup is being displayed.
		128
		129	Its sole argument is the popup menu, which can be modified. The selection
		130	is in C<$_>, which can be used to decide whether to add something or not.
		131	It should either return nothing or a string and a code reference. The
		132	string will be used as button text and the code reference will be called
		133	when the button gets activated and should transform C<$_>.
		134
		135	The following will add an entry C<a to b> that transforms all C<a>s in
		136	the selection to C<b>s, but only if the selection currently contains any
		137	C<a>s:
		138
		139	push @{ $self->{term}{selection_popup_hook} }, sub {
		140	/a/ ? ("a to b" => sub { s/a/b/g }
		141	: ()
		142	};
110		143
111	=item searchable-scrollback<hotkey> (enabled by default)	144	=item searchable-scrollback<hotkey> (enabled by default)
112		145
113	Adds regex search functionality to the scrollback buffer, triggered	146	Adds regex search functionality to the scrollback buffer, triggered
114	by a hotkey (default: C<M-s>). While in search mode, normal terminal	147	by a hotkey (default: C<M-s>). While in search mode, normal terminal
…		…
119	search. C<BackSpace> removes a character from the regex, C<Up> and C<Down>	152	search. C<BackSpace> removes a character from the regex, C<Up> and C<Down>
120	search upwards/downwards in the scrollback buffer, C<End> jumps to the	153	search upwards/downwards in the scrollback buffer, C<End> jumps to the
121	bottom. C<Escape> leaves search mode and returns to the point where search	154	bottom. C<Escape> leaves search mode and returns to the point where search
122	was started, while C<Enter> or C<Return> stay at the current position and	155	was started, while C<Enter> or C<Return> stay at the current position and
123	additionally stores the first match in the current line into the primary	156	additionally stores the first match in the current line into the primary
124	selection.	157	selection if the C<Shift> modifier is active.
		158
		159	The regex defaults to "(?i)", resulting in a case-insensitive search. To
		160	get a case-sensitive search you can delete this prefix using C<BackSpace>
		161	or simply use an uppercase character which removes the "(?i)" prefix.
		162
		163	See L<perlre> for more info about perl regular expression syntax.
		164
		165	=item readline (enabled by default)
		166
		167	A support package that tries to make editing with readline easier. At
		168	the moment, it reacts to clicking shift-left mouse button by trying to
		169	move the text cursor to this position. It does so by generating as many
		170	cursor-left or cursor-right keypresses as required (this only works
		171	for programs that correctly support wide characters).
		172
		173	To avoid too many false positives, this is only done when:
		174
		175	=over 4
		176
		177	=item - the tty is in ICANON state.
		178
		179	=item - the text cursor is visible.
		180
		181	=item - the primary screen is currently being displayed.
		182
		183	=item - the mouse is on the same (multi-row-) line as the text cursor.
		184
		185	=back
		186
		187	The normal selection mechanism isn't disabled, so quick successive clicks
		188	might interfere with selection creation in harmless ways.
125		189
126	=item selection-autotransform	190	=item selection-autotransform
127		191
128	This selection allows you to do automatic transforms on a selection	192	This selection allows you to do automatic transforms on a selection
129	whenever a selection is made.	193	whenever a selection is made.
…		…
142	URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/	206	URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/
143		207
144	And this example matches the same,but replaces it with vi-commands you can	208	And this example matches the same,but replaces it with vi-commands you can
145	paste directly into your (vi :) editor:	209	paste directly into your (vi :) editor:
146		210
147	URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/\\x1b:e \\Q$1\\E\\x0d:$2\\x0d/	211	URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/:e \\Q$1\\E\\x0d:$2\\x0d/
148		212
149	Of course, this can be modified to suit your needs and your editor :)	213	Of course, this can be modified to suit your needs and your editor :)
150		214
151	To expand the example above to typical perl error messages ("XXX at	215	To expand the example above to typical perl error messages ("XXX at
152	FILENAME line YYY."), you need a slightly more elaborate solution:	216	FILENAME line YYY."), you need a slightly more elaborate solution:
153		217
154	URxvt.selection.pattern-0: ( at .*? line \\d+\\.)	218	URxvt.selection.pattern-0: ( at .*? line \\d+[,.])
155	URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)\\.$/\x1b:e \\Q$1\E\\x0d:$2\\x0d/	219	URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)[,.]$/:e \\Q$1\E\\x0d:$2\\x0d/
156		220
157	The first line tells the selection code to treat the unchanging part of	221	The first line tells the selection code to treat the unchanging part of
158	every error message as a selection pattern, and the second line transforms	222	every error message as a selection pattern, and the second line transforms
159	the message into vi commands to load the file.	223	the message into vi commands to load the file.
160		224
161	=item mark-urls	225	=item tabbed
162		226
		227	This transforms the terminal into a tabbar with additional terminals, that
		228	is, it implements what is commonly referred to as "tabbed terminal". The topmost line
		229	displays a "[NEW]" button, which, when clicked, will add a new tab, followed by one
		230	button per tab.
		231
		232	Clicking a button will activate that tab. Pressing B<Shift-Left> and
		233	B<Shift-Right> will switch to the tab left or right of the current one,
		234	while B<Shift-Down> creates a new tab.
		235
		236	The tabbar itself can be configured similarly to a normal terminal, but
		237	with a resource class of C<URxvt.tabbed>. In addition, it supports the
		238	following four resources (shown with defaults):
		239
		240	URxvt.tabbed.tabbar-fg: <colour-index, default 3>
		241	URxvt.tabbed.tabbar-bg: <colour-index, default 0>
		242	URxvt.tabbed.tab-fg: <colour-index, default 0>
		243	URxvt.tabbed.tab-bg: <colour-index, default 1>
		244
		245	See I<COLOR AND GRAPHICS> in the @@RXVT_NAME@@(1) manpage for valid
		246	indices.
		247
		248	=item matcher
		249
163	Uses per-line display filtering (C<on_line_update>) to underline urls and	250	Uses per-line display filtering (C<on_line_update>) to underline text
164	make them clickable. When middle-clicked, the program specified in the	251	matching a certain pattern and make it clickable. When clicked with the
165	resource C<urlLauncher> (default C<x-www-browser>) will be started with	252	mouse button specified in the C<matcher.button> resource (default 2, or
166	the URL as first argument.	253	middle), the program specified in the C<matcher.launcher> resource
		254	(default, the C<urlLauncher> resource, C<sensible-browser>) will be started
		255	with the matched text as first argument. The default configuration is
		256	suitable for matching URLs and launching a web browser, like the
		257	former "mark-urls" extension.
		258
		259	The default pattern to match URLs can be overridden with the
		260	C<matcher.pattern.0> resource, and additional patterns can be specified
		261	with numbered patterns, in a manner similar to the "selection" extension.
		262	The launcher can also be overridden on a per-pattern basis.
		263
		264	It is possible to activate the most recently seen match or a list of matches
		265	from the keyboard. Simply bind a keysym to "perl:matcher:last" or
		266	"perl:matcher:list" as seen in the example below.
		267
		268	Example configuration:
		269
		270	URxvt.perl-ext: default,matcher
		271	URxvt.urlLauncher: sensible-browser
		272	URxvt.keysym.C-Delete: perl:matcher:last
		273	URxvt.keysym.M-Delete: perl:matcher:list
		274	URxvt.matcher.button: 1
		275	URxvt.matcher.pattern.1: \\bwww\\.[\\w-]+\\.[\\w./?&@#-]*[\\w/-]
		276	URxvt.matcher.pattern.2: \\B(/\\S+?):(\\d+)(?=:|$)
		277	URxvt.matcher.launcher.2: gvim +$2 $1
		278
		279	=item xim-onthespot
		280
		281	This (experimental) perl extension implements OnTheSpot editing. It does
		282	not work perfectly, and some input methods don't seem to work well with
		283	OnTheSpot editing in general, but it seems to work at least for SCIM and
		284	kinput2.
		285
		286	You enable it by specifying this extension and a preedit style of
		287	C<OnTheSpot>, i.e.:
		288
		289	@@RXVT_NAME@@ -pt OnTheSpot -pe xim-onthespot
		290
		291	=item kuake<hotkey>
		292
		293	A very primitive quake-console-like extension. It was inspired by a
		294	description of how the programs C<kuake> and C<yakuake> work: Whenever the
		295	user presses a global accelerator key (by default C<F10>), the terminal
		296	will show or hide itself. Another press of the accelerator key will hide
		297	or show it again.
		298
		299	Initially, the window will not be shown when using this extension.
		300
		301	This is useful if you need a single terminal that is not using any desktop
		302	space most of the time but is quickly available at the press of a key.
		303
		304	The accelerator key is grabbed regardless of any modifiers, so this
		305	extension will actually grab a physical key just for this function.
		306
		307	If you want a quake-like animation, tell your window manager to do so
		308	(fvwm can do it).
		309
		310	=item overlay-osc
		311
		312	This extension implements some OSC commands to display timed popups on the
		313	screen - useful for status displays from within scripts. You have to read
		314	the sources for more info.
167		315
168	=item block-graphics-to-ascii	316	=item block-graphics-to-ascii
169		317
170	A not very useful example of filtering all text output to the terminal,	318	A not very useful example of filtering all text output to the terminal
171	by replacing all line-drawing characters (U+2500 .. U+259F) by a	319	by replacing all line-drawing characters (U+2500 .. U+259F) by a
172	similar-looking ascii character.	320	similar-looking ascii character.
173		321
174	=item digital-clock	322	=item digital-clock
175		323
176	Displays a digital clock using the built-in overlay.	324	Displays a digital clock using the built-in overlay.
		325
		326	=item remote-clipboard
		327
		328	Somewhat of a misnomer, this extension adds two menu entries to the
		329	selection popup that allows one to run external commands to store the
		330	selection somewhere and fetch it again.
		331
		332	We use it to implement a "distributed selection mechanism", which just
		333	means that one command uploads the file to a remote server, and another
		334	reads it.
		335
		336	The commands can be set using the C<URxvt.remote-selection.store> and
		337	C<URxvt.remote-selection.fetch> resources. The first should read the
		338	selection to store from STDIN (always in UTF-8), the second should provide
		339	the selection data on STDOUT (also in UTF-8).
		340
		341	The defaults (which are likely useless to you) use rsh and cat:
		342
		343	URxvt.remote-selection.store: rsh ruth 'cat >/tmp/distributed-selection'
		344	URxvt.remote-selection.fetch: rsh ruth 'cat /tmp/distributed-selection'
		345
		346	=item selection-pastebin
		347
		348	This is a little rarely useful extension that uploads the selection as
		349	textfile to a remote site (or does other things). (The implementation is
		350	not currently secure for use in a multiuser environment as it writes to
		351	F</tmp> directly.).
		352
		353	It listens to the C<selection-pastebin:remote-pastebin> keyboard command,
		354	i.e.
		355
		356	URxvt.keysym.C-M-e: perl:selection-pastebin:remote-pastebin
		357
		358	Pressing this combination runs a command with C<%> replaced by the name of
		359	the textfile. This command can be set via a resource:
		360
		361	URxvt.selection-pastebin.cmd: rsync -apP % ruth:/var/www/www.ta-sa.org/files/txt/.
		362
		363	And the default is likely not useful to anybody but the few people around
		364	here :)
		365
		366	The name of the textfile is the hex encoded md5 sum of the selection, so
		367	the same content should lead to the same filename.
		368
		369	After a successful upload the selection will be replaced by the text given
		370	in the C<selection-pastebin-url> resource (again, the % is the placeholder
		371	for the filename):
		372
		373	URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/%
		374
		375	I<Note to xrdb users:> xrdb uses the C preprocessor, which might interpret
		376	the double C</> characters as comment start. Use C<\057\057> instead,
		377	which works regardless of whether xrdb is used to parse the resource file
		378	or not.
		379
		380	=item macosx-clipboard and macosx-clipboard-native
		381
		382	These two modules implement an extended clipboard for Mac OS X. They are
		383	used like this:
		384
		385	URxvt.perl-ext-common: default,macosx-clipboard
		386	URxvt.keysym.M-c: perl:macosx-clipboard:copy
		387	URxvt.keysym.M-v: perl:macosx-clipboard:paste
		388
		389	The difference between them is that the native variant requires a
		390	perl from apple's devkit or so, and C<macosx-clipboard> requires the
		391	C<Mac::Pasteboard> module, works with other perls, has fewer bugs, is
		392	simpler etc. etc.
177		393
178	=item example-refresh-hooks	394	=item example-refresh-hooks
179		395
180	Displays a very simple digital clock in the upper right corner of the	396	Displays a very simple digital clock in the upper right corner of the
181	window. Illustrates overwriting the refresh callbacks to create your own	397	window. Illustrates overwriting the refresh callbacks to create your own
182	overlays or changes.	398	overlays or changes.
		399
		400	=item confirm-paste
		401
		402	Displays a confirmation dialog when a paste containing at least a full
		403	line is detected.
		404
		405	=item bell-command
		406
		407	Runs the command specified by the C<URxvt.bell-command> resource when
		408	a bell event occurs. For example, the following pops up a notification
		409	bubble with the text "Beep, Beep" using notify-send:
		410
		411	URxvt.bell-command: notify-send "Beep, Beep"
183		412
184	=back	413	=back
185		414
186	=head1 API DOCUMENTATION	415	=head1 API DOCUMENTATION
187		416
…		…
203		432
204	=over 4	433	=over 4
205		434
206	=item $text	435	=item $text
207		436
208	Rxvt-unicodes special way of encoding text, where one "unicode" character	437	Rxvt-unicode's special way of encoding text, where one "unicode" character
209	always represents one screen cell. See L<ROW_t> for a discussion of this format.	438	always represents one screen cell. See L<ROW_t> for a discussion of this format.
210		439
211	=item $string	440	=item $string
212		441
213	A perl text string, with an emphasis on I<text>. It can store all unicode	442	A perl text string, with an emphasis on I<text>. It can store all unicode
…		…
217	=item $octets	446	=item $octets
218		447
219	Either binary data or - more common - a text string encoded in a	448	Either binary data or - more common - a text string encoded in a
220	locale-specific way.	449	locale-specific way.
221		450
		451	=item $keysym
		452
		453	an integer that is a valid X11 keysym code. You can convert a string
		454	into a keysym and viceversa by using C<XStringToKeysym> and
		455	C<XKeysymToString>.
		456
222	=back	457	=back
223		458
224	=head2 Extension Objects	459	=head2 Extension Objects
225		460
226	Very perl extension is a perl class. A separate perl object is created	461	Every perl extension is a perl class. A separate perl object is created
227	for each terminal and each extension and passed as the first parameter to	462	for each terminal, and each terminal has its own set of extension objects,
228	hooks. So extensions can use their C<$self> object without having to think	463	which are passed as the first parameter to hooks. So extensions can use
229	about other extensions, with the exception of methods and members that	464	their C<$self> object without having to think about clashes with other
		465	extensions or other terminals, with the exception of methods and members
230	begin with an underscore character C<_>: these are reserved for internal	466	that begin with an underscore character C<_>: these are reserved for
231	use.	467	internal use.
232		468
233	Although it isn't a C<urxvt::term> object, you can call all methods of the	469	Although it isn't a C<urxvt::term> object, you can call all methods of the
234	C<urxvt::term> class on this object.	470	C<urxvt::term> class on this object.
235		471
236	It has the following methods and data members:	472	It has the following methods and data members:
…		…
257	=head2 Hooks	493	=head2 Hooks
258		494
259	The following subroutines can be declared in extension files, and will be	495	The following subroutines can be declared in extension files, and will be
260	called whenever the relevant event happens.	496	called whenever the relevant event happens.
261		497
262	The first argument passed to them is an extension oject as described in	498	The first argument passed to them is an extension object as described in
263	the in the C<Extension Objects> section.	499	the in the C<Extension Objects> section.
264		500
265	B<All> of these hooks must return a boolean value. If it is true, then the	501	B<All> of these hooks must return a boolean value. If any of the called
266	event counts as being I<consumed>, and the invocation of other hooks is	502	hooks returns true, then the event counts as being I<consumed>, and the
267	skipped, and the relevant action might not be carried out by the C++ code.	503	relevant action might not be carried out by the C++ code.
268		504
269	I<< When in doubt, return a false value (preferably C<()>). >>	505	I<< When in doubt, return a false value (preferably C<()>). >>
270		506
271	=over 4	507	=over 4
272		508
273	=item on_init $term	509	=item on_init $term
274		510
275	Called after a new terminal object has been initialized, but before	511	Called after a new terminal object has been initialized, but before
276	windows are created or the command gets run. Most methods are unsafe to	512	windows are created or the command gets run. Most methods are unsafe to
277	call or deliver senseless data, as terminal size and other characteristics	513	call or deliver senseless data, as terminal size and other characteristics
278	have not yet been determined. You can safely query and change resources,	514	have not yet been determined. You can safely query and change resources
279	though.	515	and options, though. For many purposes the C<on_start> hook is a better
		516	place.
		517
		518	=item on_start $term
		519
		520	Called at the very end of initialisation of a new terminal, just before
		521	trying to map (display) the toplevel and returning to the main loop.
		522
		523	=item on_destroy $term
		524
		525	Called whenever something tries to destroy terminal, when the terminal is
		526	still fully functional (not for long, though).
280		527
281	=item on_reset $term	528	=item on_reset $term
282		529
283	Called after the screen is "reset" for any reason, such as resizing or	530	Called after the screen is "reset" for any reason, such as resizing or
284	control sequences. Here is where you can react on changes to size-related	531	control sequences. Here is where you can react on changes to size-related
285	variables.	532	variables.
286		533
287	=item on_start $term	534	=item on_child_start $term, $pid
288		535
289	Called at the very end of initialisation of a new terminal, just before	536	Called just after the child process has been C<fork>ed.
290	returning to the mainloop.	537
		538	=item on_child_exit $term, $status
		539
		540	Called just after the child process has exited. C<$status> is the status
		541	from C<waitpid>.
291		542
292	=item on_sel_make $term, $eventtime	543	=item on_sel_make $term, $eventtime
293		544
294	Called whenever a selection has been made by the user, but before the	545	Called whenever a selection has been made by the user, but before the
295	selection text is copied, so changes to the beginning, end or type of the	546	selection text is copied, so changes to the beginning, end or type of the
…		…
302		553
303	Called whenever a selection has been copied, but before the selection is	554	Called whenever a selection has been copied, but before the selection is
304	requested from the server. The selection text can be queried and changed	555	requested from the server. The selection text can be queried and changed
305	by calling C<< $term->selection >>.	556	by calling C<< $term->selection >>.
306		557
307	Returning a true value aborts selection grabbing. It will still be hilighted.	558	Returning a true value aborts selection grabbing. It will still be highlighted.
308		559
309	=item on_sel_extend $term	560	=item on_sel_extend $term
310		561
311	Called whenever the user tries to extend the selection (e.g. with a double	562	Called whenever the user tries to extend the selection (e.g. with a double
312	click) and is either supposed to return false (normal operation), or	563	click) and is either supposed to return false (normal operation), or
313	should extend the selection itelf and return true to suppress the built-in	564	should extend the selection itself and return true to suppress the built-in
314	processing. This can happen multiple times, as long as the callback	565	processing. This can happen multiple times, as long as the callback
315	returns true, it will be called on every further click by the user and is	566	returns true, it will be called on every further click by the user and is
316	supposed to enlarge the selection more and more, if possible.	567	supposed to enlarge the selection more and more, if possible.
317		568
318	See the F<selection> example extension.	569	See the F<selection> example extension.
319		570
320	=item on_view_change $term, $offset	571	=item on_view_change $term, $offset
321		572
322	Called whenever the view offset changes, i..e the user or program	573	Called whenever the view offset changes, i.e. the user or program
323	scrolls. Offset C<0> means display the normal terminal, positive values	574	scrolls. Offset C<0> means display the normal terminal, positive values
324	show this many lines of scrollback.	575	show this many lines of scrollback.
325		576
326	=item on_scroll_back $term, $lines, $saved	577	=item on_scroll_back $term, $lines, $saved
327		578
…		…
331		582
332	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,	583	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,
333	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total	584	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total
334	number of lines that will be in the scrollback buffer.	585	number of lines that will be in the scrollback buffer.
335		586
336	=item on_osc_seq $term, $string	587	=item on_osc_seq $term, $op, $args, $resp
		588
		589	Called on every OSC sequence and can be used to suppress it or modify its
		590	behaviour. The default should be to return an empty list. A true value
		591	suppresses execution of the request completely. Make sure you don't get
		592	confused by recursive invocations when you output an OSC sequence within
		593	this callback.
		594
		595	C<on_osc_seq_perl> should be used for new behaviour.
		596
		597	=item on_osc_seq_perl $term, $args, $resp
337		598
338	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =	599	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
339	operating system command) is processed. Cursor position and other state	600	operating system command) is processed. Cursor position and other state
340	information is up-to-date when this happens. For interoperability, the	601	information is up-to-date when this happens. For interoperability, the
341	string should start with the extension name and a colon, to distinguish	602	string should start with the extension name (sans -osc) and a semicolon,
342	it from commands for other extensions, and this might be enforced in the	603	to distinguish it from commands for other extensions, and this might be
343	future.	604	enforced in the future.
		605
		606	For example, C<overlay-osc> uses this:
		607
		608	sub on_osc_seq_perl {
		609	my ($self, $osc, $resp) = @_;
		610
		611	return unless $osc =~ s/^overlay;//;
		612
		613	... process remaining $osc string
		614	}
344		615
345	Be careful not ever to trust (in a security sense) the data you receive,	616	Be careful not ever to trust (in a security sense) the data you receive,
346	as its source can not easily be controleld (e-mail content, messages from	617	as its source can not easily be controlled (e-mail content, messages from
347	other users on the same system etc.).	618	other users on the same system etc.).
		619
		620	For responses, C<$resp> contains the end-of-args separator used by the
		621	sender.
348		622
349	=item on_add_lines $term, $string	623	=item on_add_lines $term, $string
350		624
351	Called whenever text is about to be output, with the text as argument. You	625	Called whenever text is about to be output, with the text as argument. You
352	can filter/change and output the text yourself by returning a true value	626	can filter/change and output the text yourself by returning a true value
…		…
357	=item on_tt_write $term, $octets	631	=item on_tt_write $term, $octets
358		632
359	Called whenever some data is written to the tty/pty and can be used to	633	Called whenever some data is written to the tty/pty and can be used to
360	suppress or filter tty input.	634	suppress or filter tty input.
361		635
		636	=item on_tt_paste $term, $octets
		637
		638	Called whenever text is about to be pasted, with the text as argument. You
		639	can filter/change and paste the text yourself by returning a true value
		640	and calling C<< $term->tt_paste >> yourself. C<$octets> is
		641	locale-encoded.
		642
362	=item on_line_update $term, $row	643	=item on_line_update $term, $row
363		644
364	Called whenever a line was updated or changed. Can be used to filter	645	Called whenever a line was updated or changed. Can be used to filter
365	screen output (e.g. underline urls or other useless stuff). Only lines	646	screen output (e.g. underline urls or other useless stuff). Only lines
366	that are being shown will be filtered, and, due to performance reasons,	647	that are being shown will be filtered, and, due to performance reasons,
…		…
373	later with the already-modified line (e.g. if unrelated parts change), so	654	later with the already-modified line (e.g. if unrelated parts change), so
374	you cannot just toggle rendition bits, but only set them.	655	you cannot just toggle rendition bits, but only set them.
375		656
376	=item on_refresh_begin $term	657	=item on_refresh_begin $term
377		658
378	Called just before the screen gets redrawn. Can be used for overlay	659	Called just before the screen gets redrawn. Can be used for overlay or
379	or similar effects by modify terminal contents in refresh_begin, and	660	similar effects by modifying the terminal contents in refresh_begin, and
380	restoring them in refresh_end. The built-in overlay and selection display	661	restoring them in refresh_end. The built-in overlay and selection display
381	code is run after this hook, and takes precedence.	662	code is run after this hook, and takes precedence.
382		663
383	=item on_refresh_end $term	664	=item on_refresh_end $term
384		665
385	Called just after the screen gets redrawn. See C<on_refresh_begin>.	666	Called just after the screen gets redrawn. See C<on_refresh_begin>.
386		667
387	=item on_keyboard_command $term, $string	668	=item on_user_command $term, $string
388		669
389	Called whenever the user presses a key combination that has a	670	Called whenever a user-configured event is being activated (e.g. via
390	C<perl:string> action bound to it (see description of the B<keysym>	671	a C<perl:string> action bound to a key, see description of the B<keysym>
391	resource in the @@RXVT_NAME@@(1) manpage).	672	resource in the @@RXVT_NAME@@(1) manpage).
		673
		674	The event is simply the action string. This interface is assumed to change
		675	slightly in the future.
		676
		677	=item on_register_command $term, $keysym, $modifiermask, $string
		678
		679	Called after parsing a keysym resource but before registering the
		680	associated binding. If this hook returns TRUE the binding is not
		681	registered. It can be used to modify a binding by calling
		682	C<register_command>.
		683
		684	=item on_resize_all_windows $term, $new_width, $new_height
		685
		686	Called just after the new window size has been calculated, but before
		687	windows are actually being resized or hints are being set. If this hook
		688	returns TRUE, setting of the window hints is being skipped.
392		689
393	=item on_x_event $term, $event	690	=item on_x_event $term, $event
394		691
395	Called on every X event received on the vt window (and possibly other	692	Called on every X event received on the vt window (and possibly other
396	windows). Should only be used as a last resort. Most event structure	693	windows). Should only be used as a last resort. Most event structure
397	members are not passed.	694	members are not passed.
398		695
		696	=item on_root_event $term, $event
		697
		698	Like C<on_x_event>, but is called for events on the root window.
		699
399	=item on_focus_in $term	700	=item on_focus_in $term
400		701
401	Called whenever the window gets the keyboard focus, before rxvt-unicode	702	Called whenever the window gets the keyboard focus, before rxvt-unicode
402	does focus in processing.	703	does focus in processing.
403		704
404	=item on_focus_out $term	705	=item on_focus_out $term
405		706
406	Called wheneever the window loses keyboard focus, before rxvt-unicode does	707	Called whenever the window loses keyboard focus, before rxvt-unicode does
407	focus out processing.	708	focus out processing.
408		709
		710	=item on_configure_notify $term, $event
		711
		712	=item on_property_notify $term, $event
		713
409	=item on_key_press $term, $event, $keysym, $octets	714	=item on_key_press $term, $event, $keysym, $octets
410		715
411	=item on_key_release $term, $event, $keysym	716	=item on_key_release $term, $event, $keysym
412		717
413	=item on_button_press $term, $event	718	=item on_button_press $term, $event
…		…
418		723
419	=item on_map_notify $term, $event	724	=item on_map_notify $term, $event
420		725
421	=item on_unmap_notify $term, $event	726	=item on_unmap_notify $term, $event
422		727
423	Called whenever the corresponding X event is received for the terminal If	728	Called whenever the corresponding X event is received for the terminal. If
424	the hook returns true, then the even will be ignored by rxvt-unicode.	729	the hook returns true, then the event will be ignored by rxvt-unicode.
425		730
426	The event is a hash with most values as named by Xlib (see the XEvent	731	The event is a hash with most values as named by Xlib (see the XEvent
427	manpage), with the additional members C<row> and C<col>, which are the row	732	manpage), with the additional members C<row> and C<col>, which are the
428	and column under the mouse cursor.	733	(real, not screen-based) row and column under the mouse cursor.
429		734
430	C<on_key_press> additionally receives the string rxvt-unicode would	735	C<on_key_press> additionally receives the string rxvt-unicode would
431	output, if any, in locale-specific encoding.	736	output, if any, in locale-specific encoding.
432		737
433	subwindow.	738	subwindow.
		739
		740	=item on_client_message $term, $event
		741
		742	=item on_wm_protocols $term, $event
		743
		744	=item on_wm_delete_window $term, $event
		745
		746	Called when various types of ClientMessage events are received (all with
		747	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
		748
		749	=item on_bell $term
		750
		751	Called on receipt of a bell character.
434		752
435	=back	753	=back
436		754
437	=cut	755	=cut
438		756
…		…
444	use Scalar::Util ();	762	use Scalar::Util ();
445	use List::Util ();	763	use List::Util ();
446		764
447	our $VERSION = 1;	765	our $VERSION = 1;
448	our $TERM;	766	our $TERM;
		767	our @TERM_INIT; # should go, prevents async I/O etc.
		768	our @TERM_EXT; # should go, prevents async I/O etc.
449	our @HOOKNAME;	769	our @HOOKNAME;
450	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;	770	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
451	our %OPTION;	771	our %OPTION;
452		772
453	our $LIBDIR;	773	our $LIBDIR;
454	our $RESNAME;	774	our $RESNAME;
455	our $RESCLASS;	775	our $RESCLASS;
456	our $RXVTNAME;	776	our $RXVTNAME;
457		777
		778	our $NOCHAR = chr 0xffff;
		779
458	=head2 Variables in the C<urxvt> Package	780	=head2 Variables in the C<urxvt> Package
459		781
460	=over 4	782	=over 4
461		783
462	=item $urxvt::LIBDIR	784	=item $urxvt::LIBDIR
…		…
475	=item $urxvt::TERM	797	=item $urxvt::TERM
476		798
477	The current terminal. This variable stores the current C<urxvt::term>	799	The current terminal. This variable stores the current C<urxvt::term>
478	object, whenever a callback/hook is executing.	800	object, whenever a callback/hook is executing.
479		801
		802	=item @urxvt::TERM_INIT
		803
		804	All code references in this array will be called as methods of the next newly
		805	created C<urxvt::term> object (during the C<on_init> phase). The array
		806	gets cleared before the code references that were in it are being executed,
		807	so references can push themselves onto it again if they so desire.
		808
		809	This complements to the perl-eval command line option, but gets executed
		810	first.
		811
		812	=item @urxvt::TERM_EXT
		813
		814	Works similar to C<@TERM_INIT>, but contains perl package/class names, which
		815	get registered as normal extensions after calling the hooks in C<@TERM_INIT>
		816	but before other extensions. Gets cleared just like C<@TERM_INIT>.
		817
480	=back	818	=back
481		819
482	=head2 Functions in the C<urxvt> Package	820	=head2 Functions in the C<urxvt> Package
483		821
484	=over 4	822	=over 4
485		823
486	=item urxvt::fatal $errormessage	824	=item urxvt::fatal $errormessage
487		825
488	Fatally aborts execution with the given error message. Avoid at all	826	Fatally aborts execution with the given error message (which should
489	costs! The only time this is acceptable is when the terminal process	827	include a trailing newline). Avoid at all costs! The only time this
490	starts up.	828	is acceptable (and useful) is in the init hook, where it prevents the
		829	terminal from starting up.
491		830
492	=item urxvt::warn $string	831	=item urxvt::warn $string
493		832
494	Calls C<rxvt_warn> with the given string which should not include a	833	Calls C<rxvt_warn> with the given string which should include a trailing
495	newline. The module also overwrites the C<warn> builtin with a function	834	newline. The module also overwrites the C<warn> builtin with a function
496	that calls this function.	835	that calls this function.
497		836
498	Using this function has the advantage that its output ends up in the	837	Using this function has the advantage that its output ends up in the
499	correct place, e.g. on stderr of the connecting urxvtc client.	838	correct place, e.g. on stderr of the connecting urxvtc client.
500		839
501	Messages have a size limit of 1023 bytes currently.	840	Messages have a size limit of 1023 bytes currently.
		841
		842	=item @terms = urxvt::termlist
		843
		844	Returns all urxvt::term objects that exist in this process, regardless of
		845	whether they are started, being destroyed etc., so be careful. Only term
		846	objects that have perl extensions attached will be returned (because there
		847	is no urxvt::term object associated with others).
502		848
503	=item $time = urxvt::NOW	849	=item $time = urxvt::NOW
504		850
505	Returns the "current time" (as per the event loop).	851	Returns the "current time" (as per the event loop).
506		852
…		…
549		895
550	=item $rend = urxvt::OVERLAY_RSTYLE	896	=item $rend = urxvt::OVERLAY_RSTYLE
551		897
552	Return the rendition mask used for overlays by default.	898	Return the rendition mask used for overlays by default.
553		899
554	=item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline	900	=item $rendbit = urxvt::RS_Bold, urxvt::RS_Italic, urxvt::RS_Blink,
		901	urxvt::RS_RVid, urxvt::RS_Uline
555		902
556	Return the bit that enabled bold, italic, blink, reverse-video and	903	Return the bit that enabled bold, italic, blink, reverse-video and
557	underline, respectively. To enable such a style, just logically OR it into	904	underline, respectively. To enable such a style, just logically OR it into
558	the bitset.	905	the bitset.
559		906
…		…
565		912
566	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour	913	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour
567		914
568	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour	915	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour
569		916
		917	=item $rend = urxvt::SET_COLOR $rend, $new_fg, $new_bg
		918
570	Replace the foreground/background colour in the rendition mask with the	919	Replace the foreground/background colour in the rendition mask with the
571	specified one.	920	specified one.
572		921
573	=item $value = urxvt::GET_CUSTOM $rend	922	=item $value = urxvt::GET_CUSTOM $rend
574		923
…		…
583	=back	932	=back
584		933
585	=cut	934	=cut
586		935
587	BEGIN {	936	BEGIN {
588	urxvt->bootstrap;
589
590	# overwrite perl's warn	937	# overwrite perl's warn
591	*CORE::GLOBAL::warn = sub {	938	*CORE::GLOBAL::warn = sub {
592	my $msg = join "", @_;	939	my $msg = join "", @_;
593	$msg .= "\n"	940	$msg .= "\n"
594	unless $msg =~ /\n$/;	941	unless $msg =~ /\n$/;
595	urxvt::warn ($msg);	942	urxvt::warn ($msg);
596	};	943	};
		944	}
597		945
598	# %ENV is the original startup environment	946	no warnings 'utf8';
599	delete $ENV{IFS};	947
600	delete $ENV{CDPATH};	948	sub parse_resource {
601	delete $ENV{BASH_ENV};	949	my ($term, $name, $isarg, $longopt, $flag, $value) = @_;
602	$ENV{PATH} = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin:/opt/sbin";	950
		951	$term->scan_meta;
		952
		953	my $r = $term->{meta}{resource};
		954	while (my ($pattern, $v) = each %$r) {
		955	$name =~ y/-/./ if $isarg;
		956
		957	if (
		958	$pattern =~ s/\*$//
		959	? $pattern eq substr $name, 0, length $pattern
		960	: $pattern eq $name
		961	) {
		962	$name = "$urxvt::RESCLASS.$name";
		963
		964	push @TERM_EXT, $v->[0];
		965
		966	if ($v->[1] eq "boolean") {
		967	$term->put_option_db ($name, $flag ? "true" : "false");
		968	return 1;
		969	} else {
		970	$term->put_option_db ($name, $value);
		971	return 1 + 2;
		972	}
		973	}
		974	}
		975
		976	0
		977	}
		978
		979	sub usage {
		980	my ($term, $usage_type) = @_;
		981
		982	$term->scan_meta;
		983
		984	my $r = $term->{meta}{resource};
		985
		986	for my $pattern (sort keys %$r) {
		987	my ($ext, $type, $desc) = @{ $r->{$pattern} };
		988
		989	$desc .= " (-pe $ext)";
		990
		991	if ($usage_type == 1) {
		992	$pattern =~ y/./-/;
		993	$pattern =~ s/\*/.../g;
		994
		995	if ($type eq "boolean") {
		996	urxvt::log sprintf " -%-30s %s\n", "/+$pattern", $desc;
		997	} else {
		998	urxvt::log sprintf " -%-30s %s\n", "$pattern $type", $desc;
		999	}
		1000	} else {
		1001	urxvt::log sprintf " %-31s %s\n", "$pattern:", $type;
		1002	}
		1003	}
603	}	1004	}
604		1005
605	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};	1006	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
606		1007
607	sub verbose {	1008	sub verbose {
608	my ($level, $msg) = @_;	1009	my ($level, $msg) = @_;
609	warn "$msg\n" if $level <= $verbosity;	1010	warn "$msg\n" if $level <= $verbosity;
610	}	1011	}
611		1012
612	my $extension_pkg = "extension0000";
613	my %extension_pkg;	1013	my %extension_pkg;
614		1014
615	# load a single script into its own package, once only	1015	# load a single script into its own package, once only
616	sub extension_package($) {	1016	sub extension_package($) {
617	my ($path) = @_;	1017	my ($path) = @_;
618		1018
619	$extension_pkg{$path} ||= do {	1019	$extension_pkg{$path} ||= do {
620	my $pkg = "urxvt::" . ($extension_pkg++);	1020	$path =~ /([^\/\\]+)$/;
		1021	my $pkg = $1;
		1022	$pkg =~ s/[^[:word:]]/_/g;
		1023	$pkg = "urxvt::ext::$pkg";
621		1024
622	verbose 3, "loading extension '$path' into package '$pkg'";	1025	verbose 3, "loading extension '$path' into package '$pkg'";
623		1026
624	open my $fh, "<:raw", $path	1027	open my $fh, "<:raw", $path
625	or die "$path: $!";	1028	or die "$path: $!";
626		1029
627	my $source =	1030	my $source =
628	"package $pkg; use strict; use utf8;\n"	1031	"package $pkg; use strict; use utf8; no warnings 'utf8';\n"
629	. "use base urxvt::term::extension::;\n"
630	. "#line 1 \"$path\"\n{\n"	1032	. "#line 1 \"$path\"\n{\n"
631	. (do { local $/; <$fh> })	1033	. (do { local $/; <$fh> })
632	. "\n};\n1";	1034	. "\n};\n1";
633		1035
634	eval $source	1036	eval $source
…		…
644	sub invoke {	1046	sub invoke {
645	local $TERM = shift;	1047	local $TERM = shift;
646	my $htype = shift;	1048	my $htype = shift;
647		1049
648	if ($htype == 0) { # INIT	1050	if ($htype == 0) { # INIT
649	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");	1051	my @dirs = $TERM->perl_libdirs;
650		1052
651	my %ext_arg;	1053	my %ext_arg;
652		1054
		1055	{
		1056	my @init = @TERM_INIT;
		1057	@TERM_INIT = ();
		1058	$_->($TERM) for @init;
		1059	my @pkg = @TERM_EXT;
		1060	@TERM_EXT = ();
		1061	$TERM->register_package ($_) for @pkg;
		1062	}
		1063
653	for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {	1064	for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
654	if ($_ eq "default") {	1065	if ($_ eq "default") {
655	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback);	1066	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline);
656	} elsif (/^-(.*)$/) {	1067	} elsif (/^-(.*)$/) {
657	delete $ext_arg{$1};	1068	delete $ext_arg{$1};
658	} elsif (/^([^<]+)<(.*)>$/) {	1069	} elsif (/^([^<]+)<(.*)>$/) {
659	push @{ $ext_arg{$1} }, $2;	1070	push @{ $ext_arg{$1} }, $2;
660	} else {	1071	} else {
661	$ext_arg{$_} ||= [];	1072	$ext_arg{$_} ||= [];
662	}	1073	}
663	}	1074	}
664		1075
665	while (my ($ext, $argv) = each %ext_arg) {	1076	for my $ext (sort keys %ext_arg) {
666	my @files = grep -f $_, map "$_/$ext", @dirs;	1077	my @files = grep -f $_, map "$_/$ext", @dirs;
667		1078
668	if (@files) {	1079	if (@files) {
669	$TERM->register_package (extension_package $files[0], $argv);	1080	$TERM->register_package (extension_package $files[0], $ext_arg{$ext});
670	} else {	1081	} else {
671	warn "perl extension '$ext' not found in perl library search path\n";	1082	warn "perl extension '$ext' not found in perl library search path\n";
672	}	1083	}
673	}	1084	}
674		1085
…		…
680		1091
681	if (my $cb = $TERM->{_hook}[$htype]) {	1092	if (my $cb = $TERM->{_hook}[$htype]) {
682	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"	1093	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
683	if $verbosity >= 10;	1094	if $verbosity >= 10;
684		1095
685	keys %$cb;	1096	for my $pkg (keys %$cb) {
686
687	while (my ($pkg, $cb) = each %$cb) {
688	$retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) }	1097	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg}, @_) };
689	and last;	1098	$retval ||= $retval_;
690		1099
691	if ($@) {	1100	if ($@) {
692	$TERM->ungrab; # better to lose the grab than the session	1101	$TERM->ungrab; # better to lose the grab than the session
693	warn $@;	1102	warn $@;
694	}	1103	}
…		…
707	}	1116	}
708		1117
709	$retval	1118	$retval
710	}	1119	}
711		1120
712	sub exec_async(@) {	1121	sub SET_COLOR($$$) {
713	my $pid = fork;	1122	SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
		1123	}
714		1124
715	return	1125	sub rend2mask {
716	if !defined $pid or $pid;	1126	no strict 'refs';
717		1127	my ($str, $mask) = (@_, 0);
718	%ENV = %{ $TERM->env };	1128	my %color = ( fg => undef, bg => undef );
719		1129	my @failed;
720	exec @_;	1130	for my $spec ( split /\s+/, $str ) {
721	_exit 255;	1131	if ( $spec =~ /^([fb]g)[_:-]?(\d+)/i ) {
		1132	$color{lc($1)} = $2;
		1133	} else {
		1134	my $neg = $spec =~ s/^[-^]//;
		1135	unless ( exists &{"RS_$spec"} ) {
		1136	push @failed, $spec;
		1137	next;
		1138	}
		1139	my $cur = &{"RS_$spec"};
		1140	if ( $neg ) {
		1141	$mask &= ~$cur;
		1142	} else {
		1143	$mask |= $cur;
		1144	}
		1145	}
		1146	}
		1147	($mask, @color{qw(fg bg)}, \@failed)
722	}	1148	}
723		1149
724	# urxvt::term::extension	1150	# urxvt::term::extension
725		1151
726	package urxvt::term::extension;	1152	package urxvt::term::extension;
…		…
791	=head2 The C<urxvt::anyevent> Class	1217	=head2 The C<urxvt::anyevent> Class
792		1218
793	The sole purpose of this class is to deliver an interface to the	1219	The sole purpose of this class is to deliver an interface to the
794	C<AnyEvent> module - any module using it will work inside urxvt without	1220	C<AnyEvent> module - any module using it will work inside urxvt without
795	further programming. The only exception is that you cannot wait on	1221	further programming. The only exception is that you cannot wait on
796	condition variables, but non-blocking condvar use is ok. What this means	1222	condition variables, but non-blocking condvar use is ok.
797	is that you cannot use blocking APIs, but the non-blocking variant should	1223
798	work.	1224	In practical terms this means is that you cannot use blocking APIs, but
		1225	the non-blocking variant should work.
799		1226
800	=cut	1227	=cut
801		1228
802	our $VERSION = 1;	1229	our $VERSION = '5.23';
803		1230
804	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there	1231	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
805	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];	1232	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
806		1233
807	sub timer {	1234	sub timer {
…		…
809		1236
810	my $cb = $arg{cb};	1237	my $cb = $arg{cb};
811		1238
812	urxvt::timer	1239	urxvt::timer
813	->new	1240	->new
814	->start (urxvt::NOW + $arg{after})	1241	->after ($arg{after}, $arg{interval})
815	->cb (sub {	1242	->cb ($arg{interval} ? $cb : sub {
816	$_[0]->stop; # need to cancel manually	1243	$_[0]->stop; # need to cancel manually
817	$cb->();	1244	$cb->();
818	})	1245	})
819	}	1246	}
820		1247
821	sub io {	1248	sub io {
822	my ($class, %arg) = @_;	1249	my ($class, %arg) = @_;
823		1250
824	my $cb = $arg{cb};	1251	my $cb = $arg{cb};
		1252	my $fd = fileno $arg{fh};
		1253	defined $fd or $fd = $arg{fh};
825		1254
826	bless [$arg{fh}, urxvt::iow	1255	bless [$arg{fh}, urxvt::iow
827	->new	1256	->new
828	->fd (fileno $arg{fh})	1257	->fd ($fd)
829	->events (($arg{poll} =~ /r/ ? 1 : 0)	1258	->events (($arg{poll} =~ /r/ ? 1 : 0)
830	| ($arg{poll} =~ /w/ ? 2 : 0))	1259	| ($arg{poll} =~ /w/ ? 2 : 0))
831	->start	1260	->start
832	->cb (sub {	1261	->cb ($cb)
833	$cb->(($_[1] & 1 ? 'r' : '')
834	. ($_[1] & 2 ? 'w' : ''));
835	})],
836	urxvt::anyevent::	1262	], urxvt::anyevent::
		1263	}
		1264
		1265	sub idle {
		1266	my ($class, %arg) = @_;
		1267
		1268	my $cb = $arg{cb};
		1269
		1270	urxvt::iw
		1271	->new
		1272	->start
		1273	->cb ($cb)
		1274	}
		1275
		1276	sub child {
		1277	my ($class, %arg) = @_;
		1278
		1279	my $cb = $arg{cb};
		1280
		1281	urxvt::pw
		1282	->new
		1283	->start ($arg{pid})
		1284	->cb (sub {
		1285	$_[0]->stop; # need to cancel manually
		1286	$cb->($_[0]->rpid, $_[0]->rstatus);
		1287	})
837	}	1288	}
838		1289
839	sub DESTROY {	1290	sub DESTROY {
840	$_[0][1]->stop;	1291	$_[0][1]->stop;
841	}	1292	}
842		1293
843	sub condvar {	1294	# only needed for AnyEvent < 6 compatibility
844	bless \my $flag, urxvt::anyevent::condvar::	1295	sub one_event {
845	}
846
847	sub urxvt::anyevent::condvar::broadcast {
848	${$_[0]}++;
849	}
850
851	sub urxvt::anyevent::condvar::wait {
852	unless (${$_[0]}) {
853	Carp::croak "AnyEvent->condvar blocking wait unsupported in urxvt, use a non-blocking API";	1296	Carp::croak "AnyEvent->one_event blocking wait unsupported in urxvt, use a non-blocking API";
854	}
855	}	1297	}
856		1298
857	package urxvt::term;	1299	package urxvt::term;
858		1300
859	=head2 The C<urxvt::term> Class	1301	=head2 The C<urxvt::term> Class
…		…
864		1306
865	# find on_xxx subs in the package and register them	1307	# find on_xxx subs in the package and register them
866	# as hooks	1308	# as hooks
867	sub register_package {	1309	sub register_package {
868	my ($self, $pkg, $argv) = @_;	1310	my ($self, $pkg, $argv) = @_;
		1311
		1312	no strict 'refs';
		1313
		1314	urxvt::verbose 6, "register package $pkg to $self";
		1315
		1316	@{"$pkg\::ISA"} = urxvt::term::extension::;
869		1317
870	my $proxy = bless {	1318	my $proxy = bless {
871	_pkg => $pkg,	1319	_pkg => $pkg,
872	argv => $argv,	1320	argv => $argv,
873	}, $pkg;	1321	}, $pkg;
…		…
880	$proxy->enable ($name => $ref);	1328	$proxy->enable ($name => $ref);
881	}	1329	}
882	}	1330	}
883	}	1331	}
884		1332
		1333	sub perl_libdirs {
		1334	map { split /:/ }
		1335	$_[0]->resource ("perl_lib"),
		1336	$ENV{URXVT_PERL_LIB},
		1337	"$ENV{HOME}/.urxvt/ext",
		1338	"$LIBDIR/perl"
		1339	}
		1340
		1341	sub scan_meta {
		1342	my ($self) = @_;
		1343	my @libdirs = perl_libdirs $self;
		1344
		1345	return if $self->{meta_libdirs} eq join "\x00", @libdirs;
		1346
		1347	my %meta;
		1348
		1349	$self->{meta_libdirs} = join "\x00", @libdirs;
		1350	$self->{meta} = \%meta;
		1351
		1352	for my $dir (reverse @libdirs) {
		1353	opendir my $fh, $dir
		1354	or next;
		1355	for my $ext (readdir $fh) {
		1356	$ext ne "."
		1357	and $ext ne ".."
		1358	and open my $fh, "<", "$dir/$ext"
		1359	or next;
		1360
		1361	while (<$fh>) {
		1362	if (/^#:META:X_RESOURCE:(.*)/) {
		1363	my ($pattern, $type, $desc) = split /:/, $1;
		1364	$pattern =~ s/^%\./$ext./g; # $$ in pattern == extension name
		1365	if ($pattern =~ /[^a-zA-Z\*\.]/) {
		1366	warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n";
		1367	} else {
		1368	$meta{resource}{$pattern} = [$ext, $type, $desc];
		1369	}
		1370	} elsif (/^\s*(?:#|$)/) {
		1371	# skip other comments and empty lines
		1372	} else {
		1373	last; # stop parsing on first non-empty non-comment line
		1374	}
		1375	}
		1376	}
		1377	}
		1378	}
		1379
885	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]	1380	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
886		1381
887	Creates a new terminal, very similar as if you had started it with system	1382	Creates a new terminal, very similar as if you had started it with system
888	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like	1383	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
889	hash which defines the environment of the new terminal.	1384	hash which defines the environment of the new terminal.
890		1385
891	Croaks (and probably outputs an error message) if the new instance	1386	Croaks (and probably outputs an error message) if the new instance
892	couldn't be created. Returns C<undef> if the new instance didn't	1387	couldn't be created. Returns C<undef> if the new instance didn't
893	initialise perl, and the terminal object otherwise. The C<init> and	1388	initialise perl, and the terminal object otherwise. The C<init> and
894	C<start> hooks will be called during this call.	1389	C<start> hooks will be called before this call returns, and are free to
		1390	refer to global data (which is race free).
895		1391
896	=cut	1392	=cut
897		1393
898	sub new {	1394	sub new {
899	my ($class, $env, @args) = @_;	1395	my ($class, $env, @args) = @_;
900		1396
		1397	$env or Carp::croak "environment hash missing in call to urxvt::term->new";
		1398	@args or Carp::croak "name argument missing in call to urxvt::term->new";
		1399
901	_new ([ map "$_=$env->{$_}", keys %$env ], @args);	1400	_new ([ map "$_=$env->{$_}", keys %$env ], \@args);
902	}	1401	}
903		1402
904	=item $term->destroy	1403	=item $term->destroy
905		1404
906	Destroy the terminal object (close the window, free resources	1405	Destroy the terminal object (close the window, free resources
907	etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event	1406	etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event
908	watchers (timers, io watchers) are still active.	1407	watchers (timers, io watchers) are still active.
909		1408
		1409	=item $term->exec_async ($cmd[, @args])
		1410
		1411	Works like the combination of the C<fork>/C<exec> builtins, which executes
		1412	("starts") programs in the background. This function takes care of setting
		1413	the user environment before exec'ing the command (e.g. C<PATH>) and should
		1414	be preferred over explicit calls to C<exec> or C<system>.
		1415
		1416	Returns the pid of the subprocess or C<undef> on error.
		1417
		1418	=cut
		1419
		1420	sub exec_async {
		1421	my $self = shift;
		1422
		1423	my $pid = fork;
		1424
		1425	return $pid
		1426	if !defined $pid or $pid;
		1427
		1428	%ENV = %{ $self->env };
		1429
		1430	exec @_;
		1431	urxvt::_exit 255;
		1432	}
		1433
910	=item $isset = $term->option ($optval[, $set])	1434	=item $isset = $term->option ($optval[, $set])
911		1435
912	Returns true if the option specified by C<$optval> is enabled, and	1436	Returns true if the option specified by C<$optval> is enabled, and
913	optionally change it. All option values are stored by name in the hash	1437	optionally change it. All option values are stored by name in the hash
914	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.	1438	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
915		1439
916	Here is a a likely non-exhaustive list of option names, please see the	1440	Here is a likely non-exhaustive list of option names, please see the
917	source file F</src/optinc.h> to see the actual list:	1441	source file F</src/optinc.h> to see the actual list:
918		1442
919	borderLess console cursorBlink cursorUnderline hold iconic insecure	1443	borderLess buffered console cursorBlink cursorUnderline hold iconic
920	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage	1444	insecure intensityStyles iso14755 iso14755_52 jumpScroll loginShell
		1445	mapAlert meta8 mouseWheelScrollPage override_redirect pastableTabs
921	pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating	1446	pointerBlank reverseVideo scrollBar scrollBar_floating scrollBar_right
922	scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer	1447	scrollTtyKeypress scrollTtyOutput scrollWithBuffer secondaryScreen
923	secondaryScreen secondaryScroll skipBuiltinGlyphs transparent	1448	secondaryScroll skipBuiltinGlyphs skipScroll transparent tripleclickwords
924	tripleclickwords utmpInhibit visualBell	1449	urgentOnBell utmpInhibit visualBell
925		1450
926	=item $value = $term->resource ($name[, $newval])	1451	=item $value = $term->resource ($name[, $newval])
927		1452
928	Returns the current resource value associated with a given name and	1453	Returns the current resource value associated with a given name and
929	optionally sets a new value. Setting values is most useful in the C<init>	1454	optionally sets a new value. Setting values is most useful in the C<init>
…		…
938	likely change).	1463	likely change).
939		1464
940	Please note that resource strings will currently only be freed when the	1465	Please note that resource strings will currently only be freed when the
941	terminal is destroyed, so changing options frequently will eat memory.	1466	terminal is destroyed, so changing options frequently will eat memory.
942		1467
943	Here is a a likely non-exhaustive list of resource names, not all of which	1468	Here is a likely non-exhaustive list of resource names, not all of which
944	are supported in every build, please see the source file F</src/rsinc.h>	1469	are supported in every build, please see the source file F</src/rsinc.h>
945	to see the actual list:	1470	to see the actual list:
946		1471
947	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont	1472	answerbackstring backgroundPixmap backspace_key blendtype blurradius
948	borderLess color cursorBlink cursorUnderline cutchars delete_key	1473	boldFont boldItalicFont borderLess buffered chdir color cursorBlink
949	display_name embed ext_bwidth fade font geometry hold iconName	1474	cursorUnderline cutchars delete_key depth display_name embed ext_bwidth
950	imFont imLocale inputMethod insecure int_bwidth intensityStyles	1475	fade font geometry hold iconName iconfile imFont imLocale inputMethod
		1476	insecure int_bwidth intensityStyles iso14755 iso14755_52 italicFont
951	italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier	1477	jumpScroll letterSpace lineSpace loginShell mapAlert meta8 modifier
952	mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2	1478	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
953	perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd	1479	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
954	reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating	1480	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
955	scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput	1481	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
956	scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle	1482	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
957	shade term_name title transparent transparent_all tripleclickwords	1483	secondaryScreen secondaryScroll shade skipBuiltinGlyphs skipScroll
		1484	term_name title transient_for transparent tripleclickwords urgentOnBell
958	utmpInhibit visualBell	1485	utmpInhibit visualBell
959		1486
960	=cut	1487	=cut
961		1488
962	sub resource($$;$) {	1489	sub resource($$;$) {
963	my ($self, $name) = (shift, shift);	1490	my ($self, $name) = (shift, shift);
964	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);	1491	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
965	&urxvt::term::_resource	1492	goto &urxvt::term::_resource
966	}	1493	}
967		1494
968	=item $value = $term->x_resource ($pattern)	1495	=item $value = $term->x_resource ($pattern)
969		1496
970	Returns the X-Resource for the given pattern, excluding the program or	1497	Returns the X-Resource for the given pattern, excluding the program or
…		…
974		1501
975	This method should only be called during the C<on_start> hook, as there is	1502	This method should only be called during the C<on_start> hook, as there is
976	only one resource database per display, and later invocations might return	1503	only one resource database per display, and later invocations might return
977	the wrong resources.	1504	the wrong resources.
978		1505
979	=item $success = $term->parse_keysym ($keysym_spec, $command_string)	1506	=item $value = $term->x_resource_boolean ($pattern)
980		1507
		1508	Like C<x_resource>, above, but interprets the string value as a boolean
		1509	and returns C<1> for true values, C<0> for false values and C<undef> if
		1510	the resource or option isn't specified.
		1511
		1512	You should always use this method to parse boolean resources.
		1513
		1514	=cut
		1515
		1516	sub x_resource_boolean {
		1517	my $res = &x_resource;
		1518
		1519	$res =~ /^\s*(?:true|yes|on|1)\s*$/i ? 1 : defined $res && 0
		1520	}
		1521
		1522	=item $success = $term->parse_keysym ($key, $octets)
		1523
981	Adds a keymap translation exactly as specified via a resource. See the	1524	Adds a key binding exactly as specified via a resource. See the
982	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.	1525	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.
		1526
		1527	=item $term->register_command ($keysym, $modifiermask, $string)
		1528
		1529	Adds a key binding. This is a lower level api compared to
		1530	C<parse_keysym>, as it expects a parsed key description, and can be
		1531	used only inside either the C<on_init> hook, to add a binding, or the
		1532	C<on_register_command> hook, to modify a parsed binding.
983		1533
984	=item $rend = $term->rstyle ([$new_rstyle])	1534	=item $rend = $term->rstyle ([$new_rstyle])
985		1535
986	Return and optionally change the current rendition. Text that is output by	1536	Return and optionally change the current rendition. Text that is output by
987	the terminal application will use this style.	1537	the terminal application will use this style.
…		…
995		1545
996	=item ($row, $col) = $term->selection_beg ([$row, $col])	1546	=item ($row, $col) = $term->selection_beg ([$row, $col])
997		1547
998	=item ($row, $col) = $term->selection_end ([$row, $col])	1548	=item ($row, $col) = $term->selection_end ([$row, $col])
999		1549
1000	Return the current values of the selection mark, begin or end positions,	1550	Return the current values of the selection mark, begin or end positions.
1001	and optionally set them to new values.	1551
		1552	When arguments are given, then the selection coordinates are set to
		1553	C<$row> and C<$col>, and the selection screen is set to the current
		1554	screen.
		1555
		1556	=item $screen = $term->selection_screen ([$screen])
		1557
		1558	Returns the current selection screen, and then optionally sets it.
1002		1559
1003	=item $term->selection_make ($eventtime[, $rectangular])	1560	=item $term->selection_make ($eventtime[, $rectangular])
1004		1561
1005	Tries to make a selection as set by C<selection_beg> and	1562	Tries to make a selection as set by C<selection_beg> and
1006	C<selection_end>. If C<$rectangular> is true (default: false), a	1563	C<selection_end>. If C<$rectangular> is true (default: false), a
1007	rectangular selection will be made. This is the prefered function to make	1564	rectangular selection will be made. This is the preferred function to make
1008	a selection.	1565	a selection.
1009		1566
1010	=item $success = $term->selection_grab ($eventtime)	1567	=item $success = $term->selection_grab ($eventtime[, $clipboard])
1011		1568
1012	Try to request the primary selection text from the server (for example, as	1569	Try to acquire ownership of the primary (clipboard if C<$clipboard> is
		1570	true) selection from the server. The corresponding text can be set
1013	set by the next method). No visual feedback will be given. This function	1571	with the next method. No visual feedback will be given. This function
1014	is mostly useful from within C<on_sel_grab> hooks.	1572	is mostly useful from within C<on_sel_grab> hooks.
1015		1573
1016	=item $oldtext = $term->selection ([$newtext])	1574	=item $oldtext = $term->selection ([$newtext, $clipboard])
1017		1575
1018	Return the current selection text and optionally replace it by C<$newtext>.	1576	Return the current selection (clipboard if C<$clipboard> is true) text
		1577	and optionally replace it by C<$newtext>.
		1578
		1579	=item $term->selection_clear ([$clipboard])
		1580
		1581	Revoke ownership of the primary (clipboard if C<$clipboard> is true) selection.
1019		1582
1020	=item $term->overlay_simple ($x, $y, $text)	1583	=item $term->overlay_simple ($x, $y, $text)
1021		1584
1022	Create a simple multi-line overlay box. See the next method for details.	1585	Create a simple multi-line overlay box. See the next method for details.
1023		1586
…		…
1053		1616
1054	The methods currently supported on C<urxvt::overlay> objects are:	1617	The methods currently supported on C<urxvt::overlay> objects are:
1055		1618
1056	=over 4	1619	=over 4
1057		1620
1058	=item $overlay->set ($x, $y, $text, $rend)	1621	=item $overlay->set ($x, $y, $text[, $rend])
1059		1622
1060	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts	1623	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts
1061	text in rxvt-unicode's special encoding and an array of rendition values	1624	text in rxvt-unicode's special encoding and an array of rendition values
1062	at a specific position inside the overlay.	1625	at a specific position inside the overlay.
		1626
		1627	If C<$rend> is missing, then the rendition will not be changed.
1063		1628
1064	=item $overlay->hide	1629	=item $overlay->hide
1065		1630
1066	If visible, hide the overlay, but do not destroy it.	1631	If visible, hide the overlay, but do not destroy it.
1067		1632
…		…
1137		1702
1138	Normally its not a good idea to use this function, as programs might be	1703	Normally its not a good idea to use this function, as programs might be
1139	confused by changes in cursor position or scrolling. Its useful inside a	1704	confused by changes in cursor position or scrolling. Its useful inside a
1140	C<on_add_lines> hook, though.	1705	C<on_add_lines> hook, though.
1141		1706
		1707	=item $term->scr_change_screen ($screen)
		1708
		1709	Switch to given screen - 0 primary, 1 secondary.
		1710
1142	=item $term->cmd_parse ($octets)	1711	=item $term->cmd_parse ($octets)
1143		1712
1144	Similar to C<scr_add_lines>, but the argument must be in the	1713	Similar to C<scr_add_lines>, but the argument must be in the
1145	locale-specific encoding of the terminal and can contain command sequences	1714	locale-specific encoding of the terminal and can contain command sequences
1146	(escape codes) that will be interpreted.	1715	(escape codes) that will be interpreted.
1147		1716
1148	=item $term->tt_write ($octets)	1717	=item $term->tt_write ($octets)
1149		1718
1150	Write the octets given in C<$data> to the tty (i.e. as program input). To	1719	Write the octets given in C<$octets> to the tty (i.e. as program input). To
1151	pass characters instead of octets, you should convert your strings first	1720	pass characters instead of octets, you should convert your strings first
1152	to the locale-specific encoding using C<< $term->locale_encode >>.	1721	to the locale-specific encoding using C<< $term->locale_encode >>.
		1722
		1723	=item $term->tt_paste ($octets)
		1724
		1725	Write the octets given in C<$octets> to the tty as a paste, converting NL to
		1726	CR and bracketing the data with control sequences if bracketed paste mode
		1727	is set.
1153		1728
1154	=item $old_events = $term->pty_ev_events ([$new_events])	1729	=item $old_events = $term->pty_ev_events ([$new_events])
1155		1730
1156	Replaces the event mask of the pty watcher by the given event mask. Can	1731	Replaces the event mask of the pty watcher by the given event mask. Can
1157	be used to suppress input and output handling to the pty/tty. See the	1732	be used to suppress input and output handling to the pty/tty. See the
1158	description of C<< urxvt::timer->events >>. Make sure to always restore	1733	description of C<< urxvt::timer->events >>. Make sure to always restore
1159	the previous value.	1734	the previous value.
1160		1735
		1736	=item $fd = $term->pty_fd
		1737
		1738	Returns the master file descriptor for the pty in use, or C<-1> if no pty
		1739	is used.
		1740
1161	=item $windowid = $term->parent	1741	=item $windowid = $term->parent
1162		1742
1163	Return the window id of the toplevel window.	1743	Return the window id of the toplevel window.
1164		1744
1165	=item $windowid = $term->vt	1745	=item $windowid = $term->vt
…		…
1171	Adds the specified events to the vt event mask. Useful e.g. when you want	1751	Adds the specified events to the vt event mask. Useful e.g. when you want
1172	to receive pointer events all the times:	1752	to receive pointer events all the times:
1173		1753
1174	$term->vt_emask_add (urxvt::PointerMotionMask);	1754	$term->vt_emask_add (urxvt::PointerMotionMask);
1175		1755
		1756	=item $term->set_urgency ($set)
		1757
		1758	Enable/disable the urgency hint on the toplevel window.
		1759
		1760	=item $term->focus_in
		1761
		1762	=item $term->focus_out
		1763
		1764	=item $term->key_press ($state, $keycode[, $time])
		1765
		1766	=item $term->key_release ($state, $keycode[, $time])
		1767
		1768	Deliver various fake events to to terminal.
		1769
1176	=item $window_width = $term->width	1770	=item $window_width = $term->width
1177		1771
1178	=item $window_height = $term->height	1772	=item $window_height = $term->height
1179		1773
1180	=item $font_width = $term->fwidth	1774	=item $font_width = $term->fwidth
…		…
1210	=item $env = $term->env	1804	=item $env = $term->env
1211		1805
1212	Returns a copy of the environment in effect for the terminal as a hashref	1806	Returns a copy of the environment in effect for the terminal as a hashref
1213	similar to C<\%ENV>.	1807	similar to C<\%ENV>.
1214		1808
		1809	=item @envv = $term->envv
		1810
		1811	Returns the environment as array of strings of the form C<VAR=VALUE>.
		1812
		1813	=item @argv = $term->argv
		1814
		1815	Return the argument vector as this terminal, similar to @ARGV, but
		1816	includes the program name as first element.
		1817
1215	=cut	1818	=cut
1216		1819
1217	sub env {	1820	sub env {
1218	if (my $env = $_[0]->_env) {
1219	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), @$env }	1821	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), $_[0]->envv }
1220	} else {
1221	+{ %ENV }
1222	}
1223	}	1822	}
1224		1823
1225	=item $modifiermask = $term->ModLevel3Mask	1824	=item $modifiermask = $term->ModLevel3Mask
1226		1825
1227	=item $modifiermask = $term->ModMetaMask	1826	=item $modifiermask = $term->ModMetaMask
1228		1827
1229	=item $modifiermask = $term->ModNumLockMask	1828	=item $modifiermask = $term->ModNumLockMask
1230		1829
1231	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often	1830	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
1232	AltGr), the meta key (often Alt) and the num lock key, if applicable.	1831	AltGr), the meta key (often Alt) and the num lock key, if applicable.
		1832
		1833	=item $screen = $term->current_screen
		1834
		1835	Returns the currently displayed screen (0 primary, 1 secondary).
		1836
		1837	=item $cursor_is_hidden = $term->hidden_cursor
		1838
		1839	Returns whether the cursor is currently hidden or not.
1233		1840
1234	=item $view_start = $term->view_start ([$newvalue])	1841	=item $view_start = $term->view_start ([$newvalue])
1235		1842
1236	Returns the row number of the topmost displayed line. Maximum value is	1843	Returns the row number of the topmost displayed line. Maximum value is
1237	C<0>, which displays the normal terminal contents. Lower values scroll	1844	C<0>, which displays the normal terminal contents. Lower values scroll
…		…
1245		1852
1246	Used after changing terminal contents to display them.	1853	Used after changing terminal contents to display them.
1247		1854
1248	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])	1855	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
1249		1856
1250	Returns the text of the entire row with number C<$row_number>. Row C<0>	1857	Returns the text of the entire row with number C<$row_number>. Row C<< $term->top_row >>
1251	is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost	1858	is the topmost terminal line, row C<< $term->nrow-1 >> is the bottommost
1252	terminal line. The scrollback buffer starts at line C<-1> and extends to
1253	line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line	1859	terminal line. Nothing will be returned if a nonexistent line
1254	is requested.	1860	is requested.
1255		1861
1256	If C<$new_text> is specified, it will replace characters in the current	1862	If C<$new_text> is specified, it will replace characters in the current
1257	line, starting at column C<$start_col> (default C<0>), which is useful	1863	line, starting at column C<$start_col> (default C<0>), which is useful
1258	to replace only parts of a line. The font index in the rendition will	1864	to replace only parts of a line. The font index in the rendition will
1259	automatically be updated.	1865	automatically be updated.
1260		1866
1261	C<$text> is in a special encoding: tabs and wide characters that use more	1867	C<$text> is in a special encoding: tabs and wide characters that use more
1262	than one cell when displayed are padded with urxvt::NOCHAR characters	1868	than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
1263	(C<chr 65535>). Characters with combining characters and other characters	1869	characters. Characters with combining characters and other characters that
1264	that do not fit into the normal tetx encoding will be replaced with	1870	do not fit into the normal text encoding will be replaced with characters
1265	characters in the private use area.	1871	in the private use area.
1266		1872
1267	You have to obey this encoding when changing text. The advantage is	1873	You have to obey this encoding when changing text. The advantage is
1268	that C<substr> and similar functions work on screen cells and not on	1874	that C<substr> and similar functions work on screen cells and not on
1269	characters.	1875	characters.
1270		1876
…		…
1414	where one character corresponds to one screen cell. See	2020	where one character corresponds to one screen cell. See
1415	C<< $term->ROW_t >> for details.	2021	C<< $term->ROW_t >> for details.
1416		2022
1417	=item $string = $term->special_decode $text	2023	=item $string = $term->special_decode $text
1418		2024
1419	Converts rxvt-unicodes text reprsentation into a perl string. See	2025	Converts rxvt-unicodes text representation into a perl string. See
1420	C<< $term->ROW_t >> for details.	2026	C<< $term->ROW_t >> for details.
1421		2027
1422	=item $success = $term->grab_button ($button, $modifiermask)	2028	=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
1423		2029
		2030	=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
		2031
1424	Registers a synchronous button grab. See the XGrabButton manpage.	2032	Register/unregister a synchronous button grab. See the XGrabButton
		2033	manpage.
1425		2034
1426	=item $success = $term->grab ($eventtime[, $sync])	2035	=item $success = $term->grab ($eventtime[, $sync])
1427		2036
1428	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or	2037	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1429	synchronous (C<$sync> is true). Also remembers the grab timestampe.	2038	synchronous (C<$sync> is true). Also remembers the grab timestamp.
1430		2039
1431	=item $term->allow_events_async	2040	=item $term->allow_events_async
1432		2041
1433	Calls XAllowEvents with AsyncBoth for the most recent grab.	2042	Calls XAllowEvents with AsyncBoth for the most recent grab.
1434		2043
…		…
1441	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most	2050	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
1442	recent grab.	2051	recent grab.
1443		2052
1444	=item $term->ungrab	2053	=item $term->ungrab
1445		2054
1446	Calls XUngrab for the most recent grab. Is called automatically on	2055	Calls XUngrabPointer and XUngrabKeyboard for the most recent grab. Is called automatically on
1447	evaluation errors, as it is better to lose the grab in the error case as	2056	evaluation errors, as it is better to lose the grab in the error case as
1448	the session.	2057	the session.
		2058
		2059	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
		2060
		2061	=item $atom_name = $term->XGetAtomName ($atom)
		2062
		2063	=item @atoms = $term->XListProperties ($window)
		2064
		2065	=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
		2066
		2067	=item $term->XChangeProperty ($window, $property, $type, $format, $octets)
		2068
		2069	=item $term->XDeleteProperty ($window, $property)
		2070
		2071	=item $window = $term->DefaultRootWindow
		2072
		2073	=item $term->XReparentWindow ($window, $parent, [$x, $y])
		2074
		2075	=item $term->XMapWindow ($window)
		2076
		2077	=item $term->XUnmapWindow ($window)
		2078
		2079	=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
		2080
		2081	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
		2082
		2083	=item $term->XChangeInput ($window, $add_events[, $del_events])
		2084
		2085	=item $keysym = $term->XStringToKeysym ($string)
		2086
		2087	=item $string = $term->XKeysymToString ($keysym)
		2088
		2089	Various X or X-related functions. The C<$term> object only serves as
		2090	the source of the display, otherwise those functions map more-or-less
		2091	directly onto the X functions of the same name.
1449		2092
1450	=back	2093	=back
1451		2094
1452	=cut	2095	=cut
1453		2096
…		…
1517	my ($self, $text, $cb) = @_;	2160	my ($self, $text, $cb) = @_;
1518		2161
1519	$self->add_item ({ type => "button", text => $text, activate => $cb});	2162	$self->add_item ({ type => "button", text => $text, activate => $cb});
1520	}	2163	}
1521		2164
1522	=item $popup->add_toggle ($text, $cb, $initial_value)	2165	=item $popup->add_toggle ($text, $initial_value, $cb)
1523		2166
1524	Adds a toggle/checkbox item to the popup. Teh callback gets called	2167	Adds a toggle/checkbox item to the popup. The callback gets called
1525	whenever it gets toggled, with a boolean indicating its value as its first	2168	whenever it gets toggled, with a boolean indicating its new value as its
1526	argument.	2169	first argument.
1527		2170
1528	=cut	2171	=cut
1529		2172
1530	sub add_toggle {	2173	sub add_toggle {
1531	my ($self, $text, $cb, $value) = @_;	2174	my ($self, $text, $value, $cb) = @_;
1532		2175
1533	my $item; $item = {	2176	my $item; $item = {
1534	type => "button",	2177	type => "button",
1535	text => " $text",	2178	text => " $text",
1536	value => $value,	2179	value => $value,
…		…
1555	my $env = $self->{term}->env;	2198	my $env = $self->{term}->env;
1556	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.	2199	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
1557	delete $env->{LC_ALL};	2200	delete $env->{LC_ALL};
1558	$env->{LC_CTYPE} = $self->{term}->locale;	2201	$env->{LC_CTYPE} = $self->{term}->locale;
1559		2202
1560	urxvt::term->new ($env, $self->{term}->resource ("name"),	2203	my $term = urxvt::term->new (
1561	"--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0,	2204	$env, "popup",
		2205	"--perl-lib" => "", "--perl-ext-common" => "",
		2206	"-pty-fd" => -1, "-sl" => 0,
		2207	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1562	"--transient-for" => $self->{term}->parent,	2208	"--transient-for" => $self->{term}->parent,
1563	"-display" => $self->{term}->display_id,	2209	"-display" => $self->{term}->display_id,
1564	"-pe" => "urxvt-popup")	2210	"-pe" => "urxvt-popup",
1565	or die "unable to create popup window\n";	2211	) or die "unable to create popup window\n";
		2212
		2213	unless (delete $term->{urxvt_popup_init_done}) {
		2214	$term->ungrab;
		2215	$term->destroy;
		2216	die "unable to initialise popup window\n";
		2217	}
1566	}	2218	}
1567		2219
1568	sub DESTROY {	2220	sub DESTROY {
1569	my ($self) = @_;	2221	my ($self) = @_;
1570		2222
1571	delete $self->{term}{_destroy}{$self};	2223	delete $self->{term}{_destroy}{$self};
1572	$self->{term}->ungrab;	2224	$self->{term}->ungrab;
1573	}	2225	}
1574		2226
1575	=back	2227	=back
		2228
		2229	=cut
		2230
		2231	package urxvt::watcher;
1576		2232
1577	=head2 The C<urxvt::timer> Class	2233	=head2 The C<urxvt::timer> Class
1578		2234
1579	This class implements timer watchers/events. Time is represented as a	2235	This class implements timer watchers/events. Time is represented as a
1580	fractional number of seconds since the epoch. Example:	2236	fractional number of seconds since the epoch. Example:
…		…
1584	->new	2240	->new
1585	->interval (1)	2241	->interval (1)
1586	->cb (sub {	2242	->cb (sub {
1587	$term->{overlay}->set (0, 0,	2243	$term->{overlay}->set (0, 0,
1588	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);	2244	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
1589	});	2245	});
1590		2246
1591	=over 4	2247	=over 4
1592		2248
1593	=item $timer = new urxvt::timer	2249	=item $timer = new urxvt::timer
1594		2250
…		…
1597		2253
1598	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })	2254	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })
1599		2255
1600	Set the callback to be called when the timer triggers.	2256	Set the callback to be called when the timer triggers.
1601		2257
1602	=item $tstamp = $timer->at
1603
1604	Return the time this watcher will fire next.
1605
1606	=item $timer = $timer->set ($tstamp)	2258	=item $timer = $timer->set ($tstamp[, $interval])
1607		2259
1608	Set the time the event is generated to $tstamp.	2260	Set the time the event is generated to $tstamp (and optionally specifies a
		2261	new $interval).
1609		2262
1610	=item $timer = $timer->interval ($interval)	2263	=item $timer = $timer->interval ($interval)
1611		2264
1612	Normally (and when C<$interval> is C<0>), the timer will automatically	2265	By default (and when C<$interval> is C<0>), the timer will automatically
1613	stop after it has fired once. If C<$interval> is non-zero, then the timer	2266	stop after it has fired once. If C<$interval> is non-zero, then the timer
1614	is automatically rescheduled at the given intervals.	2267	is automatically rescheduled at the given intervals.
1615		2268
1616	=item $timer = $timer->start	2269	=item $timer = $timer->start
1617		2270
1618	Start the timer.	2271	Start the timer.
1619		2272
1620	=item $timer = $timer->start ($tstamp)	2273	=item $timer = $timer->start ($tstamp[, $interval])
1621		2274
1622	Set the event trigger time to C<$tstamp> and start the timer.	2275	Set the event trigger time to C<$tstamp> and start the timer. Optionally
		2276	also replaces the interval.
		2277
		2278	=item $timer = $timer->after ($delay[, $interval])
		2279
		2280	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1623		2281
1624	=item $timer = $timer->stop	2282	=item $timer = $timer->stop
1625		2283
1626	Stop the timer.	2284	Stop the timer.
1627		2285
…		…
1633		2291
1634	$term->{socket} = ...	2292	$term->{socket} = ...
1635	$term->{iow} = urxvt::iow	2293	$term->{iow} = urxvt::iow
1636	->new	2294	->new
1637	->fd (fileno $term->{socket})	2295	->fd (fileno $term->{socket})
1638	->events (urxvt::EVENT_READ)	2296	->events (urxvt::EV_READ)
1639	->start	2297	->start
1640	->cb (sub {	2298	->cb (sub {
1641	my ($iow, $revents) = @_;	2299	my ($iow, $revents) = @_;
1642	# $revents must be 1 here, no need to check	2300	# $revents must be 1 here, no need to check
1643	sysread $term->{socket}, my $buf, 8192	2301	sysread $term->{socket}, my $buf, 8192
…		…
1656	Set the callback to be called when io events are triggered. C<$reventmask>	2314	Set the callback to be called when io events are triggered. C<$reventmask>
1657	is a bitset as described in the C<events> method.	2315	is a bitset as described in the C<events> method.
1658		2316
1659	=item $iow = $iow->fd ($fd)	2317	=item $iow = $iow->fd ($fd)
1660		2318
1661	Set the filedescriptor (not handle) to watch.	2319	Set the file descriptor (not handle) to watch.
1662		2320
1663	=item $iow = $iow->events ($eventmask)	2321	=item $iow = $iow->events ($eventmask)
1664		2322
1665	Set the event mask to watch. The only allowed values are	2323	Set the event mask to watch. The only allowed values are
1666	C<urxvt::EVENT_READ> and C<urxvt::EVENT_WRITE>, which might be ORed	2324	C<urxvt::EV_READ> and C<urxvt::EV_WRITE>, which might be ORed
1667	together, or C<urxvt::EVENT_NONE>.	2325	together, or C<urxvt::EV_NONE>.
1668		2326
1669	=item $iow = $iow->start	2327	=item $iow = $iow->start
1670		2328
1671	Start watching for requested events on the given handle.	2329	Start watching for requested events on the given handle.
1672		2330
1673	=item $iow = $iow->stop	2331	=item $iow = $iow->stop
1674		2332
1675	Stop watching for events on the given filehandle.	2333	Stop watching for events on the given file handle.
		2334
		2335	=back
		2336
		2337	=head2 The C<urxvt::iw> Class
		2338
		2339	This class implements idle watchers, that get called automatically when
		2340	the process is idle. They should return as fast as possible, after doing
		2341	some useful work.
		2342
		2343	=over 4
		2344
		2345	=item $iw = new urxvt::iw
		2346
		2347	Create a new idle watcher object in stopped state.
		2348
		2349	=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
		2350
		2351	Set the callback to be called when the watcher triggers.
		2352
		2353	=item $timer = $timer->start
		2354
		2355	Start the watcher.
		2356
		2357	=item $timer = $timer->stop
		2358
		2359	Stop the watcher.
		2360
		2361	=back
		2362
		2363	=head2 The C<urxvt::pw> Class
		2364
		2365	This class implements process watchers. They create an event whenever a
		2366	process exits, after which they stop automatically.
		2367
		2368	my $pid = fork;
		2369	...
		2370	$term->{pw} = urxvt::pw
		2371	->new
		2372	->start ($pid)
		2373	->cb (sub {
		2374	my ($pw, $exit_status) = @_;
		2375	...
		2376	});
		2377
		2378	=over 4
		2379
		2380	=item $pw = new urxvt::pw
		2381
		2382	Create a new process watcher in stopped state.
		2383
		2384	=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
		2385
		2386	Set the callback to be called when the timer triggers.
		2387
		2388	=item $pw = $timer->start ($pid)
		2389
		2390	Tells the watcher to start watching for process C<$pid>.
		2391
		2392	=item $pw = $pw->stop
		2393
		2394	Stop the watcher.
1676		2395
1677	=back	2396	=back
1678		2397
1679	=head1 ENVIRONMENT	2398	=head1 ENVIRONMENT
1680		2399
…		…
1689		2408
1690	=item >= 3 - script loading and management	2409	=item >= 3 - script loading and management
1691		2410
1692	=item >=10 - all called hooks	2411	=item >=10 - all called hooks
1693		2412
1694	=item >=11 - hook reutrn values	2413	=item >=11 - hook return values
1695		2414
1696	=back	2415	=back
1697		2416
1698	=head1 AUTHOR	2417	=head1 AUTHOR
1699		2418
1700	Marc Lehmann <pcg@goof.com>	2419	Marc Lehmann <schmorp@schmorp.de>
1701	http://software.schmorp.de/pkg/rxvt-unicode	2420	http://software.schmorp.de/pkg/rxvt-unicode
1702		2421
1703	=cut	2422	=cut
1704		2423
1705	1	2424	1
		2425
		2426	# vim: sw=3:

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