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Revision 1.107 by root, Wed Jan 18 21:30:50 2006 UTC vs.
Revision 1.213 by root, Wed Jun 6 15:09:49 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:
…		…
83	=item option-popup (enabled by default)	97	=item option-popup (enabled by default)
84		98
85	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
86	runtime.	100	runtime.
87		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
88	=item selection-popup (enabled by default)	119	=item selection-popup (enabled by default)
89		120
90	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
91	text into various other formats/action (such as uri unescaping, perl	122	text into various other formats/action (such as uri unescaping, perl
92	evalution, web-browser starting etc.), depending on content.	123	evaluation, web-browser starting etc.), depending on content.
93		124
94	Other extensions can extend this popup menu by pushing a code reference onto	125	Other extensions can extend this popup menu by pushing a code reference
95	C<@urxvt::ext::selection_popup::hook>, that is called whenever the popup is displayed.	126	onto C<@{ $term->{selection_popup_hook} }>, which gets called whenever the
		127	popup is being displayed.
96		128
97	It's sole argument is the popup menu, which can be modified. The selection	129	Its sole argument is the popup menu, which can be modified. The selection
98	is in C<$_>, which can be used to decide wether to add something or not.	130	is in C<$_>, which can be used to decide whether to add something or not.
99	It should either return nothing or a string and a code reference. The	131	It should either return nothing or a string and a code reference. The
100	string will be used as button text and the code reference will be called	132	string will be used as button text and the code reference will be called
101	when the button gets activated and should transform C<$_>.	133	when the button gets activated and should transform C<$_>.
102		134
103	The following will add an entry C<a to b> that transforms all C<a>s in	135	The following will add an entry C<a to b> that transforms all C<a>s in
104	the selection to C<b>s, but only if the selection currently contains any	136	the selection to C<b>s, but only if the selection currently contains any
105	C<a>s:	137	C<a>s:
106		138
107	push urxvt::ext::selection_popup::hook, sub {	139	push @{ $self->{term}{selection_popup_hook} }, sub {
108	/a/ ? ("a to be" => sub { s/a/b/g }	140	/a/ ? ("a to b" => sub { s/a/b/g }
109	: ()	141	: ()
110	};	142	};
111		143
112	=item searchable-scrollback<hotkey> (enabled by default)	144	=item searchable-scrollback<hotkey> (enabled by default)
113		145
…		…
120	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>
121	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
122	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
123	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
124	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
125	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.
126		189
127	=item selection-autotransform	190	=item selection-autotransform
128		191
129	This selection allows you to do automatic transforms on a selection	192	This selection allows you to do automatic transforms on a selection
130	whenever a selection is made.	193	whenever a selection is made.
…		…
143	URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/	206	URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/
144		207
145	And this example matches the same,but replaces it with vi-commands you can	208	And this example matches the same,but replaces it with vi-commands you can
146	paste directly into your (vi :) editor:	209	paste directly into your (vi :) editor:
147		210
148	URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/\\x1b:e \\Q$1\\E\\x0d:$2\\x0d/	211	URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/:e \\Q$1\\E\\x0d:$2\\x0d/
149		212
150	Of course, this can be modified to suit your needs and your editor :)	213	Of course, this can be modified to suit your needs and your editor :)
151		214
152	To expand the example above to typical perl error messages ("XXX at	215	To expand the example above to typical perl error messages ("XXX at
153	FILENAME line YYY."), you need a slightly more elaborate solution:	216	FILENAME line YYY."), you need a slightly more elaborate solution:
154		217
155	URxvt.selection.pattern-0: ( at .*? line \\d+\\.)	218	URxvt.selection.pattern-0: ( at .*? line \\d+[,.])
156	URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)\\.$/\x1b:e \\Q$1\E\\x0d:$2\\x0d/	219	URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)[,.]$/:e \\Q$1\E\\x0d:$2\\x0d/
157		220
158	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
159	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
160	the message into vi commands to load the file.	223	the message into vi commands to load the file.
161		224
162	=item mark-urls	225	=item tabbed
163		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
164	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
165	make them clickable. When middle-clicked, the program specified in the	251	matching a certain pattern and make it clickable. When clicked with the
166	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
167	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.
168		258
169	=item automove-background	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.
170		263
171	This is basically a one-line extension that dynamically changes the background pixmap offset	264	It is possible to activate the most recently seen match or a list of matches
172	to the window position, in effect creating the same effect as pseudo transparency with	265	from the keyboard. Simply bind a keysym to "perl:matcher:last" or
173	a custom pixmap. No scaling is supported in this mode. Exmaple:	266	"perl:matcher:list" as seen in the example below.
174		267
175	@@RXVT_NAME@@ -pixmap background.xpm -pe automove-background	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.
176		315
177	=item block-graphics-to-ascii	316	=item block-graphics-to-ascii
178		317
179	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
180	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
181	similar-looking ascii character.	320	similar-looking ascii character.
182		321
183	=item digital-clock	322	=item digital-clock
184		323
185	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.
186		393
187	=item example-refresh-hooks	394	=item example-refresh-hooks
188		395
189	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
190	window. Illustrates overwriting the refresh callbacks to create your own	397	window. Illustrates overwriting the refresh callbacks to create your own
191	overlays or changes.	398	overlays or changes.
192		399
193	=item selection-pastebin	400	=item confirm-paste
194		401
195	This is a little rarely useful extension that Uploads the selection as	402	Displays a confirmation dialog when a paste containing at least a full
196	textfile to a remote site (or does other things). (The implementation is	403	line is detected.
197	not currently secure for use in a multiuser environment as it writes to
198	F</tmp> directly.).
199		404
200	It listens to the C<selection-pastebin:remote-pastebin> keyboard command,	405	=item bell-command
201	i.e.
202		406
203	URxvt.keysym.C-M-e: perl:selection-pastebin:remote-pastebin	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:
204		410
205	Pressing this combination runs a command with C<%> replaced by the name of	411	URxvt.bell-command: notify-send "Beep, Beep"
206	the textfile. This command can be set via a resource:
207
208	URxvt.selection-pastebin.cmd: rsync -apP % ruth:/var/www/www.ta-sa.org/files/txt/.
209
210	And the default is likely not useful to anybody but the few people around
211	here :)
212
213	The name of the textfile is the hex encoded md5 sum of the selection, so
214	the same content should lead to the same filename.
215
216	After a successful upload the selection will be replaced by the text given
217	in the C<selection-pastebin-url> resource (again, the % is the placeholder
218	for the filename):
219
220	URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/%
221		412
222	=back	413	=back
223		414
224	=head1 API DOCUMENTATION	415	=head1 API DOCUMENTATION
225		416
…		…
241		432
242	=over 4	433	=over 4
243		434
244	=item $text	435	=item $text
245		436
246	Rxvt-unicodes special way of encoding text, where one "unicode" character	437	Rxvt-unicode's special way of encoding text, where one "unicode" character
247	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.
248		439
249	=item $string	440	=item $string
250		441
251	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
…		…
255	=item $octets	446	=item $octets
256		447
257	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
258	locale-specific way.	449	locale-specific way.
259		450
		451	=item $keysym
		452
		453	an integer that is a valid X11 keysym code. You can convert a string
		454	into a keysym and viceversa by using C<XStringToKeysym> and
		455	C<XKeysymToString>.
		456
260	=back	457	=back
261		458
262	=head2 Extension Objects	459	=head2 Extension Objects
263		460
264	Very perl extension is a perl class. A separate perl object is created	461	Every perl extension is a perl class. A separate perl object is created
265	for each terminal and each extension and passed as the first parameter to	462	for each terminal, and each terminal has its own set of extension objects,
266	hooks. So extensions can use their C<$self> object without having to think	463	which are passed as the first parameter to hooks. So extensions can use
267	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
268	begin with an underscore character C<_>: these are reserved for internal	466	that begin with an underscore character C<_>: these are reserved for
269	use.	467	internal use.
270		468
271	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
272	C<urxvt::term> class on this object.	470	C<urxvt::term> class on this object.
273		471
274	It has the following methods and data members:	472	It has the following methods and data members:
…		…
295	=head2 Hooks	493	=head2 Hooks
296		494
297	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
298	called whenever the relevant event happens.	496	called whenever the relevant event happens.
299		497
300	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
301	the in the C<Extension Objects> section.	499	the in the C<Extension Objects> section.
302		500
303	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
304	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
305	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.
306		504
307	I<< When in doubt, return a false value (preferably C<()>). >>	505	I<< When in doubt, return a false value (preferably C<()>). >>
308		506
309	=over 4	507	=over 4
310		508
311	=item on_init $term	509	=item on_init $term
312		510
313	Called after a new terminal object has been initialized, but before	511	Called after a new terminal object has been initialized, but before
314	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
315	call or deliver senseless data, as terminal size and other characteristics	513	call or deliver senseless data, as terminal size and other characteristics
316	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
317	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).
318		527
319	=item on_reset $term	528	=item on_reset $term
320		529
321	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
322	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
323	variables.	532	variables.
324		533
325	=item on_start $term	534	=item on_child_start $term, $pid
326		535
327	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.
328	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>.
329		542
330	=item on_sel_make $term, $eventtime	543	=item on_sel_make $term, $eventtime
331		544
332	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
333	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
…		…
340		553
341	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
342	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
343	by calling C<< $term->selection >>.	556	by calling C<< $term->selection >>.
344		557
345	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.
346		559
347	=item on_sel_extend $term	560	=item on_sel_extend $term
348		561
349	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
350	click) and is either supposed to return false (normal operation), or	563	click) and is either supposed to return false (normal operation), or
351	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
352	processing. This can happen multiple times, as long as the callback	565	processing. This can happen multiple times, as long as the callback
353	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
354	supposed to enlarge the selection more and more, if possible.	567	supposed to enlarge the selection more and more, if possible.
355		568
356	See the F<selection> example extension.	569	See the F<selection> example extension.
357		570
358	=item on_view_change $term, $offset	571	=item on_view_change $term, $offset
359		572
360	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
361	scrolls. Offset C<0> means display the normal terminal, positive values	574	scrolls. Offset C<0> means display the normal terminal, positive values
362	show this many lines of scrollback.	575	show this many lines of scrollback.
363		576
364	=item on_scroll_back $term, $lines, $saved	577	=item on_scroll_back $term, $lines, $saved
365		578
…		…
369		582
370	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,	583	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,
371	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total	584	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total
372	number of lines that will be in the scrollback buffer.	585	number of lines that will be in the scrollback buffer.
373		586
374	=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, $resp
375		598
376	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =	599	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
377	operating system command) is processed. Cursor position and other state	600	operating system command) is processed. Cursor position and other state
378	information is up-to-date when this happens. For interoperability, the	601	information is up-to-date when this happens. For interoperability, the
379	string should start with the extension name and a colon, to distinguish	602	string should start with the extension name (sans -osc) and a semicolon,
380	it from commands for other extensions, and this might be enforced in the	603	to distinguish it from commands for other extensions, and this might be
381	future.	604	enforced in the future.
		605
		606	For example, C<overlay-osc> uses this:
		607
		608	sub on_osc_seq_perl {
		609	my ($self, $osc, $resp) = @_;
		610
		611	return unless $osc =~ s/^overlay;//;
		612
		613	... process remaining $osc string
		614	}
382		615
383	Be careful not ever to trust (in a security sense) the data you receive,	616	Be careful not ever to trust (in a security sense) the data you receive,
384	as its source can not easily be controleld (e-mail content, messages from	617	as its source can not easily be controlled (e-mail content, messages from
385	other users on the same system etc.).	618	other users on the same system etc.).
		619
		620	For responses, C<$resp> contains the end-of-args separator used by the
		621	sender.
386		622
387	=item on_add_lines $term, $string	623	=item on_add_lines $term, $string
388		624
389	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
390	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
…		…
395	=item on_tt_write $term, $octets	631	=item on_tt_write $term, $octets
396		632
397	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
398	suppress or filter tty input.	634	suppress or filter tty input.
399		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
400	=item on_line_update $term, $row	643	=item on_line_update $term, $row
401		644
402	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
403	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
404	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,
…		…
411	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
412	you cannot just toggle rendition bits, but only set them.	655	you cannot just toggle rendition bits, but only set them.
413		656
414	=item on_refresh_begin $term	657	=item on_refresh_begin $term
415		658
416	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
417	or similar effects by modify terminal contents in refresh_begin, and	660	similar effects by modifying the terminal contents in refresh_begin, and
418	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
419	code is run after this hook, and takes precedence.	662	code is run after this hook, and takes precedence.
420		663
421	=item on_refresh_end $term	664	=item on_refresh_end $term
422		665
423	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>.
424		667
425	=item on_keyboard_command $term, $string	668	=item on_user_command $term, $string
426		669
427	Called whenever the user presses a key combination that has a	670	Called whenever a user-configured event is being activated (e.g. via
428	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>
429	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.
430		689
431	=item on_x_event $term, $event	690	=item on_x_event $term, $event
432		691
433	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
434	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
435	members are not passed.	694	members are not passed.
436		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
437	=item on_focus_in $term	700	=item on_focus_in $term
438		701
439	Called whenever the window gets the keyboard focus, before rxvt-unicode	702	Called whenever the window gets the keyboard focus, before rxvt-unicode
440	does focus in processing.	703	does focus in processing.
441		704
442	=item on_focus_out $term	705	=item on_focus_out $term
443		706
444	Called wheneever the window loses keyboard focus, before rxvt-unicode does	707	Called whenever the window loses keyboard focus, before rxvt-unicode does
445	focus out processing.	708	focus out processing.
446		709
447	=item on_configure_notify $term, $event	710	=item on_configure_notify $term, $event
448		711
		712	=item on_property_notify $term, $event
		713
449	=item on_key_press $term, $event, $keysym, $octets	714	=item on_key_press $term, $event, $keysym, $octets
450		715
451	=item on_key_release $term, $event, $keysym	716	=item on_key_release $term, $event, $keysym
452		717
453	=item on_button_press $term, $event	718	=item on_button_press $term, $event
…		…
458		723
459	=item on_map_notify $term, $event	724	=item on_map_notify $term, $event
460		725
461	=item on_unmap_notify $term, $event	726	=item on_unmap_notify $term, $event
462		727
463	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
464	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.
465		730
466	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
467	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
468	and column under the mouse cursor.	733	(real, not screen-based) row and column under the mouse cursor.
469		734
470	C<on_key_press> additionally receives the string rxvt-unicode would	735	C<on_key_press> additionally receives the string rxvt-unicode would
471	output, if any, in locale-specific encoding.	736	output, if any, in locale-specific encoding.
472		737
473	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.
474		752
475	=back	753	=back
476		754
477	=cut	755	=cut
478		756
…		…
484	use Scalar::Util ();	762	use Scalar::Util ();
485	use List::Util ();	763	use List::Util ();
486		764
487	our $VERSION = 1;	765	our $VERSION = 1;
488	our $TERM;	766	our $TERM;
		767	our @TERM_INIT; # should go, prevents async I/O etc.
		768	our @TERM_EXT; # should go, prevents async I/O etc.
489	our @HOOKNAME;	769	our @HOOKNAME;
490	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;	770	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
491	our %OPTION;	771	our %OPTION;
492		772
493	our $LIBDIR;	773	our $LIBDIR;
494	our $RESNAME;	774	our $RESNAME;
495	our $RESCLASS;	775	our $RESCLASS;
496	our $RXVTNAME;	776	our $RXVTNAME;
497		777
		778	our $NOCHAR = chr 0xffff;
		779
498	=head2 Variables in the C<urxvt> Package	780	=head2 Variables in the C<urxvt> Package
499		781
500	=over 4	782	=over 4
501		783
502	=item $urxvt::LIBDIR	784	=item $urxvt::LIBDIR
…		…
515	=item $urxvt::TERM	797	=item $urxvt::TERM
516		798
517	The current terminal. This variable stores the current C<urxvt::term>	799	The current terminal. This variable stores the current C<urxvt::term>
518	object, whenever a callback/hook is executing.	800	object, whenever a callback/hook is executing.
519		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
520	=back	818	=back
521		819
522	=head2 Functions in the C<urxvt> Package	820	=head2 Functions in the C<urxvt> Package
523		821
524	=over 4	822	=over 4
525		823
526	=item urxvt::fatal $errormessage	824	=item urxvt::fatal $errormessage
527		825
528	Fatally aborts execution with the given error message. Avoid at all	826	Fatally aborts execution with the given error message (which should
529	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
530	starts up.	828	is acceptable (and useful) is in the init hook, where it prevents the
		829	terminal from starting up.
531		830
532	=item urxvt::warn $string	831	=item urxvt::warn $string
533		832
534	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
535	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
536	that calls this function.	835	that calls this function.
537		836
538	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
539	correct place, e.g. on stderr of the connecting urxvtc client.	838	correct place, e.g. on stderr of the connecting urxvtc client.
540		839
541	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).
542		848
543	=item $time = urxvt::NOW	849	=item $time = urxvt::NOW
544		850
545	Returns the "current time" (as per the event loop).	851	Returns the "current time" (as per the event loop).
546		852
…		…
589		895
590	=item $rend = urxvt::OVERLAY_RSTYLE	896	=item $rend = urxvt::OVERLAY_RSTYLE
591		897
592	Return the rendition mask used for overlays by default.	898	Return the rendition mask used for overlays by default.
593		899
594	=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
595		902
596	Return the bit that enabled bold, italic, blink, reverse-video and	903	Return the bit that enabled bold, italic, blink, reverse-video and
597	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
598	the bitset.	905	the bitset.
599		906
…		…
604	Return the foreground/background colour index, respectively.	911	Return the foreground/background colour index, respectively.
605		912
606	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour	913	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour
607		914
608	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour	915	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour
		916
		917	=item $rend = urxvt::SET_COLOR $rend, $new_fg, $new_bg
609		918
610	Replace the foreground/background colour in the rendition mask with the	919	Replace the foreground/background colour in the rendition mask with the
611	specified one.	920	specified one.
612		921
613	=item $value = urxvt::GET_CUSTOM $rend	922	=item $value = urxvt::GET_CUSTOM $rend
…		…
632	unless $msg =~ /\n$/;	941	unless $msg =~ /\n$/;
633	urxvt::warn ($msg);	942	urxvt::warn ($msg);
634	};	943	};
635	}	944	}
636		945
		946	no warnings 'utf8';
		947
		948	sub parse_resource {
		949	my ($term, $name, $isarg, $longopt, $flag, $value) = @_;
		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	$pattern =~ /\.$/
		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	$pattern =~ s/\.$/.*/g;
		1002	urxvt::log sprintf " %-31s %s\n", "$pattern:", $type;
		1003	}
		1004	}
		1005	}
		1006
637	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};	1007	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
638		1008
639	sub verbose {	1009	sub verbose {
640	my ($level, $msg) = @_;	1010	my ($level, $msg) = @_;
641	warn "$msg\n" if $level <= $verbosity;	1011	warn "$msg\n" if $level <= $verbosity;
…		…
644	my %extension_pkg;	1014	my %extension_pkg;
645		1015
646	# load a single script into its own package, once only	1016	# load a single script into its own package, once only
647	sub extension_package($) {	1017	sub extension_package($) {
648	my ($path) = @_;	1018	my ($path) = @_;
649
650	no strict 'refs';
651		1019
652	$extension_pkg{$path} ||= do {	1020	$extension_pkg{$path} ||= do {
653	$path =~ /([^\/\\]+)$/;	1021	$path =~ /([^\/\\]+)$/;
654	my $pkg = $1;	1022	my $pkg = $1;
655	$pkg =~ s/[^[:word:]]/_/g;	1023	$pkg =~ s/[^[:word:]]/_/g;
…		…
658	verbose 3, "loading extension '$path' into package '$pkg'";	1026	verbose 3, "loading extension '$path' into package '$pkg'";
659		1027
660	open my $fh, "<:raw", $path	1028	open my $fh, "<:raw", $path
661	or die "$path: $!";	1029	or die "$path: $!";
662		1030
663	@{"$pkg\::ISA"} = urxvt::term::extension::;
664
665	my $source =	1031	my $source =
666	"package $pkg; use strict; use utf8;\n"	1032	"package $pkg; use strict; use utf8; no warnings 'utf8';\n"
667	. "#line 1 \"$path\"\n{\n"	1033	. "#line 1 \"$path\"\n{\n"
668	. (do { local $/; <$fh> })	1034	. (do { local $/; <$fh> })
669	. "\n};\n1";	1035	. "\n};\n1";
670		1036
671	eval $source	1037	eval $source
…		…
681	sub invoke {	1047	sub invoke {
682	local $TERM = shift;	1048	local $TERM = shift;
683	my $htype = shift;	1049	my $htype = shift;
684		1050
685	if ($htype == 0) { # INIT	1051	if ($htype == 0) { # INIT
686	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");	1052	my @dirs = $TERM->perl_libdirs;
687		1053
688	my %ext_arg;	1054	my %ext_arg;
689		1055
		1056	{
		1057	my @init = @TERM_INIT;
		1058	@TERM_INIT = ();
		1059	$_->($TERM) for @init;
		1060	my @pkg = @TERM_EXT;
		1061	@TERM_EXT = ();
		1062	$TERM->register_package ($_) for @pkg;
		1063	}
		1064
690	for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {	1065	for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
691	if ($_ eq "default") {	1066	if ($_ eq "default") {
692	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback);	1067	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline);
693	} elsif (/^-(.*)$/) {	1068	} elsif (/^-(.*)$/) {
694	delete $ext_arg{$1};	1069	delete $ext_arg{$1};
695	} elsif (/^([^<]+)<(.*)>$/) {	1070	} elsif (/^([^<]+)<(.*)>$/) {
696	push @{ $ext_arg{$1} }, $2;	1071	push @{ $ext_arg{$1} }, $2;
697	} else {	1072	} else {
698	$ext_arg{$_} ||= [];	1073	$ext_arg{$_} ||= [];
699	}	1074	}
700	}	1075	}
701		1076
702	while (my ($ext, $argv) = each %ext_arg) {	1077	for my $ext (sort keys %ext_arg) {
703	my @files = grep -f $_, map "$_/$ext", @dirs;	1078	my @files = grep -f $_, map "$_/$ext", @dirs;
704		1079
705	if (@files) {	1080	if (@files) {
706	$TERM->register_package (extension_package $files[0], $argv);	1081	$TERM->register_package (extension_package $files[0], $ext_arg{$ext});
707	} else {	1082	} else {
708	warn "perl extension '$ext' not found in perl library search path\n";	1083	warn "perl extension '$ext' not found in perl library search path\n";
709	}	1084	}
710	}	1085	}
711		1086
…		…
717		1092
718	if (my $cb = $TERM->{_hook}[$htype]) {	1093	if (my $cb = $TERM->{_hook}[$htype]) {
719	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"	1094	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
720	if $verbosity >= 10;	1095	if $verbosity >= 10;
721		1096
722	keys %$cb;	1097	for my $pkg (keys %$cb) {
723
724	while (my ($pkg, $cb) = each %$cb) {
725	$retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) }	1098	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg}, @_) };
726	and last;	1099	$retval ||= $retval_;
727		1100
728	if ($@) {	1101	if ($@) {
729	$TERM->ungrab; # better to lose the grab than the session	1102	$TERM->ungrab; # better to lose the grab than the session
730	warn $@;	1103	warn $@;
731	}	1104	}
…		…
744	}	1117	}
745		1118
746	$retval	1119	$retval
747	}	1120	}
748		1121
749	sub exec_async(@) {	1122	sub SET_COLOR($$$) {
750	my $pid = fork;	1123	SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
		1124	}
751		1125
752	return	1126	sub rend2mask {
753	if !defined $pid or $pid;	1127	no strict 'refs';
754		1128	my ($str, $mask) = (@_, 0);
755	%ENV = %{ $TERM->env };	1129	my %color = ( fg => undef, bg => undef );
756		1130	my @failed;
757	exec @_;	1131	for my $spec ( split /\s+/, $str ) {
758	_exit 255;	1132	if ( $spec =~ /^([fb]g)[_:-]?(\d+)/i ) {
		1133	$color{lc($1)} = $2;
		1134	} else {
		1135	my $neg = $spec =~ s/^[-^]//;
		1136	unless ( exists &{"RS_$spec"} ) {
		1137	push @failed, $spec;
		1138	next;
		1139	}
		1140	my $cur = &{"RS_$spec"};
		1141	if ( $neg ) {
		1142	$mask &= ~$cur;
		1143	} else {
		1144	$mask |= $cur;
		1145	}
		1146	}
		1147	}
		1148	($mask, @color{qw(fg bg)}, \@failed)
759	}	1149	}
760		1150
761	# urxvt::term::extension	1151	# urxvt::term::extension
762		1152
763	package urxvt::term::extension;	1153	package urxvt::term::extension;
…		…
828	=head2 The C<urxvt::anyevent> Class	1218	=head2 The C<urxvt::anyevent> Class
829		1219
830	The sole purpose of this class is to deliver an interface to the	1220	The sole purpose of this class is to deliver an interface to the
831	C<AnyEvent> module - any module using it will work inside urxvt without	1221	C<AnyEvent> module - any module using it will work inside urxvt without
832	further programming. The only exception is that you cannot wait on	1222	further programming. The only exception is that you cannot wait on
833	condition variables, but non-blocking condvar use is ok. What this means	1223	condition variables, but non-blocking condvar use is ok.
834	is that you cannot use blocking APIs, but the non-blocking variant should	1224
835	work.	1225	In practical terms this means is that you cannot use blocking APIs, but
		1226	the non-blocking variant should work.
836		1227
837	=cut	1228	=cut
838		1229
839	our $VERSION = 1;	1230	our $VERSION = '5.23';
840		1231
841	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there	1232	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
842	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];	1233	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
843		1234
844	sub timer {	1235	sub timer {
…		…
846		1237
847	my $cb = $arg{cb};	1238	my $cb = $arg{cb};
848		1239
849	urxvt::timer	1240	urxvt::timer
850	->new	1241	->new
851	->start (urxvt::NOW + $arg{after})	1242	->after ($arg{after}, $arg{interval})
852	->cb (sub {	1243	->cb ($arg{interval} ? $cb : sub {
853	$_[0]->stop; # need to cancel manually	1244	$_[0]->stop; # need to cancel manually
854	$cb->();	1245	$cb->();
855	})	1246	})
856	}	1247	}
857		1248
858	sub io {	1249	sub io {
859	my ($class, %arg) = @_;	1250	my ($class, %arg) = @_;
860		1251
861	my $cb = $arg{cb};	1252	my $cb = $arg{cb};
		1253	my $fd = fileno $arg{fh};
		1254	defined $fd or $fd = $arg{fh};
862		1255
863	bless [$arg{fh}, urxvt::iow	1256	bless [$arg{fh}, urxvt::iow
864	->new	1257	->new
865	->fd (fileno $arg{fh})	1258	->fd ($fd)
866	->events (($arg{poll} =~ /r/ ? 1 : 0)	1259	->events (($arg{poll} =~ /r/ ? 1 : 0)
867	| ($arg{poll} =~ /w/ ? 2 : 0))	1260	| ($arg{poll} =~ /w/ ? 2 : 0))
868	->start	1261	->start
869	->cb (sub {	1262	->cb ($cb)
870	$cb->(($_[1] & 1 ? 'r' : '')
871	. ($_[1] & 2 ? 'w' : ''));
872	})],
873	urxvt::anyevent::	1263	], urxvt::anyevent::
		1264	}
		1265
		1266	sub idle {
		1267	my ($class, %arg) = @_;
		1268
		1269	my $cb = $arg{cb};
		1270
		1271	urxvt::iw
		1272	->new
		1273	->start
		1274	->cb ($cb)
		1275	}
		1276
		1277	sub child {
		1278	my ($class, %arg) = @_;
		1279
		1280	my $cb = $arg{cb};
		1281
		1282	urxvt::pw
		1283	->new
		1284	->start ($arg{pid})
		1285	->cb (sub {
		1286	$_[0]->stop; # need to cancel manually
		1287	$cb->($_[0]->rpid, $_[0]->rstatus);
		1288	})
874	}	1289	}
875		1290
876	sub DESTROY {	1291	sub DESTROY {
877	$_[0][1]->stop;	1292	$_[0][1]->stop;
878	}	1293	}
879		1294
880	sub condvar {	1295	# only needed for AnyEvent < 6 compatibility
881	bless \my $flag, urxvt::anyevent::condvar::	1296	sub one_event {
882	}
883
884	sub urxvt::anyevent::condvar::broadcast {
885	${$_[0]}++;
886	}
887
888	sub urxvt::anyevent::condvar::wait {
889	unless (${$_[0]}) {
890	Carp::croak "AnyEvent->condvar blocking wait unsupported in urxvt, use a non-blocking API";	1297	Carp::croak "AnyEvent->one_event blocking wait unsupported in urxvt, use a non-blocking API";
891	}
892	}	1298	}
893		1299
894	package urxvt::term;	1300	package urxvt::term;
895		1301
896	=head2 The C<urxvt::term> Class	1302	=head2 The C<urxvt::term> Class
…		…
901		1307
902	# find on_xxx subs in the package and register them	1308	# find on_xxx subs in the package and register them
903	# as hooks	1309	# as hooks
904	sub register_package {	1310	sub register_package {
905	my ($self, $pkg, $argv) = @_;	1311	my ($self, $pkg, $argv) = @_;
		1312
		1313	no strict 'refs';
		1314
		1315	urxvt::verbose 6, "register package $pkg to $self";
		1316
		1317	@{"$pkg\::ISA"} = urxvt::term::extension::;
906		1318
907	my $proxy = bless {	1319	my $proxy = bless {
908	_pkg => $pkg,	1320	_pkg => $pkg,
909	argv => $argv,	1321	argv => $argv,
910	}, $pkg;	1322	}, $pkg;
…		…
917	$proxy->enable ($name => $ref);	1329	$proxy->enable ($name => $ref);
918	}	1330	}
919	}	1331	}
920	}	1332	}
921		1333
		1334	sub perl_libdirs {
		1335	map { split /:/ }
		1336	$_[0]->resource ("perl_lib"),
		1337	$ENV{URXVT_PERL_LIB},
		1338	"$ENV{HOME}/.urxvt/ext",
		1339	"$LIBDIR/perl"
		1340	}
		1341
		1342	sub scan_meta {
		1343	my ($self) = @_;
		1344	my @libdirs = perl_libdirs $self;
		1345
		1346	return if $self->{meta_libdirs} eq join "\x00", @libdirs;
		1347
		1348	my %meta;
		1349
		1350	$self->{meta_libdirs} = join "\x00", @libdirs;
		1351	$self->{meta} = \%meta;
		1352
		1353	for my $dir (reverse @libdirs) {
		1354	opendir my $fh, $dir
		1355	or next;
		1356	for my $ext (readdir $fh) {
		1357	$ext ne "."
		1358	and $ext ne ".."
		1359	and open my $fh, "<", "$dir/$ext"
		1360	or next;
		1361
		1362	while (<$fh>) {
		1363	if (/^#:META:X_RESOURCE:(.*)/) {
		1364	my ($pattern, $type, $desc) = split /:/, $1;
		1365	$pattern =~ s/^%(?:\.|$)/$ext./g; # % in pattern == extension name
		1366	if ($pattern =~ /[^a-zA-Z0-9\-\.]/) {
		1367	warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n";
		1368	} else {
		1369	$meta{resource}{$pattern} = [$ext, $type, $desc];
		1370	}
		1371	} elsif (/^\s*(?:#|$)/) {
		1372	# skip other comments and empty lines
		1373	} else {
		1374	last; # stop parsing on first non-empty non-comment line
		1375	}
		1376	}
		1377	}
		1378	}
		1379	}
		1380
922	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]	1381	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
923		1382
924	Creates a new terminal, very similar as if you had started it with system	1383	Creates a new terminal, very similar as if you had started it with system
925	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like	1384	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
926	hash which defines the environment of the new terminal.	1385	hash which defines the environment of the new terminal.
927		1386
928	Croaks (and probably outputs an error message) if the new instance	1387	Croaks (and probably outputs an error message) if the new instance
929	couldn't be created. Returns C<undef> if the new instance didn't	1388	couldn't be created. Returns C<undef> if the new instance didn't
930	initialise perl, and the terminal object otherwise. The C<init> and	1389	initialise perl, and the terminal object otherwise. The C<init> and
931	C<start> hooks will be called during this call.	1390	C<start> hooks will be called before this call returns, and are free to
		1391	refer to global data (which is race free).
932		1392
933	=cut	1393	=cut
934		1394
935	sub new {	1395	sub new {
936	my ($class, $env, @args) = @_;	1396	my ($class, $env, @args) = @_;
937		1397
		1398	$env or Carp::croak "environment hash missing in call to urxvt::term->new";
		1399	@args or Carp::croak "name argument missing in call to urxvt::term->new";
		1400
938	_new ([ map "$_=$env->{$_}", keys %$env ], @args);	1401	_new ([ map "$_=$env->{$_}", keys %$env ], \@args);
939	}	1402	}
940		1403
941	=item $term->destroy	1404	=item $term->destroy
942		1405
943	Destroy the terminal object (close the window, free resources	1406	Destroy the terminal object (close the window, free resources
944	etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event	1407	etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event
945	watchers (timers, io watchers) are still active.	1408	watchers (timers, io watchers) are still active.
946		1409
		1410	=item $term->exec_async ($cmd[, @args])
		1411
		1412	Works like the combination of the C<fork>/C<exec> builtins, which executes
		1413	("starts") programs in the background. This function takes care of setting
		1414	the user environment before exec'ing the command (e.g. C<PATH>) and should
		1415	be preferred over explicit calls to C<exec> or C<system>.
		1416
		1417	Returns the pid of the subprocess or C<undef> on error.
		1418
		1419	=cut
		1420
		1421	sub exec_async {
		1422	my $self = shift;
		1423
		1424	my $pid = fork;
		1425
		1426	return $pid
		1427	if !defined $pid or $pid;
		1428
		1429	%ENV = %{ $self->env };
		1430
		1431	exec @_;
		1432	urxvt::_exit 255;
		1433	}
		1434
947	=item $isset = $term->option ($optval[, $set])	1435	=item $isset = $term->option ($optval[, $set])
948		1436
949	Returns true if the option specified by C<$optval> is enabled, and	1437	Returns true if the option specified by C<$optval> is enabled, and
950	optionally change it. All option values are stored by name in the hash	1438	optionally change it. All option values are stored by name in the hash
951	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.	1439	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
952		1440
953	Here is a a likely non-exhaustive list of option names, please see the	1441	Here is a likely non-exhaustive list of option names, please see the
954	source file F</src/optinc.h> to see the actual list:	1442	source file F</src/optinc.h> to see the actual list:
955		1443
956	borderLess console cursorBlink cursorUnderline hold iconic insecure	1444	borderLess buffered console cursorBlink cursorUnderline hold iconic
957	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage	1445	insecure intensityStyles iso14755 iso14755_52 jumpScroll loginShell
958	override-redirect pastableTabs pointerBlank reverseVideo scrollBar	1446	mapAlert meta8 mouseWheelScrollPage override_redirect pastableTabs
959	scrollBar_floating scrollBar_right scrollTtyKeypress scrollTtyOutput	1447	pointerBlank reverseVideo scrollBar scrollBar_floating scrollBar_right
960	scrollWithBuffer secondaryScreen secondaryScroll skipBuiltinGlyphs	1448	scrollTtyKeypress scrollTtyOutput scrollWithBuffer secondaryScreen
961	transparent tripleclickwords utmpInhibit visualBell	1449	secondaryScroll skipBuiltinGlyphs skipScroll transparent tripleclickwords
		1450	urgentOnBell utmpInhibit visualBell
962		1451
963	=item $value = $term->resource ($name[, $newval])	1452	=item $value = $term->resource ($name[, $newval])
964		1453
965	Returns the current resource value associated with a given name and	1454	Returns the current resource value associated with a given name and
966	optionally sets a new value. Setting values is most useful in the C<init>	1455	optionally sets a new value. Setting values is most useful in the C<init>
…		…
975	likely change).	1464	likely change).
976		1465
977	Please note that resource strings will currently only be freed when the	1466	Please note that resource strings will currently only be freed when the
978	terminal is destroyed, so changing options frequently will eat memory.	1467	terminal is destroyed, so changing options frequently will eat memory.
979		1468
980	Here is a a likely non-exhaustive list of resource names, not all of which	1469	Here is a likely non-exhaustive list of resource names, not all of which
981	are supported in every build, please see the source file F</src/rsinc.h>	1470	are supported in every build, please see the source file F</src/rsinc.h>
982	to see the actual list:	1471	to see the actual list:
983		1472
984	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont	1473	answerbackstring backgroundPixmap backspace_key blendtype blurradius
985	borderLess color cursorBlink cursorUnderline cutchars delete_key	1474	boldFont boldItalicFont borderLess buffered chdir color cursorBlink
986	display_name embed ext_bwidth fade font geometry hold iconName	1475	cursorUnderline cutchars delete_key depth display_name embed ext_bwidth
987	imFont imLocale inputMethod insecure int_bwidth intensityStyles	1476	fade font geometry hold iconName iconfile imFont imLocale inputMethod
		1477	insecure int_bwidth intensityStyles iso14755 iso14755_52 italicFont
988	italicFont jumpScroll lineSpace loginShell mapAlert meta8 modifier	1478	jumpScroll letterSpace lineSpace loginShell mapAlert meta8 modifier
989	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval	1479	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
990	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay	1480	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
991	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar	1481	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
992	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness	1482	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
993	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle	1483	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
994	secondaryScreen secondaryScroll selectstyle shade term_name title	1484	secondaryScreen secondaryScroll shade skipBuiltinGlyphs skipScroll
995	transient_for transparent transparent_all tripleclickwords utmpInhibit	1485	term_name title transient_for transparent tripleclickwords urgentOnBell
996	visualBell	1486	utmpInhibit visualBell
997		1487
998	=cut	1488	=cut
999		1489
1000	sub resource($$;$) {	1490	sub resource($$;$) {
1001	my ($self, $name) = (shift, shift);	1491	my ($self, $name) = (shift, shift);
1002	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);	1492	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
1003	&urxvt::term::_resource	1493	goto &urxvt::term::_resource
1004	}	1494	}
1005		1495
1006	=item $value = $term->x_resource ($pattern)	1496	=item $value = $term->x_resource ($pattern)
1007		1497
1008	Returns the X-Resource for the given pattern, excluding the program or	1498	Returns the X-Resource for the given pattern, excluding the program or
…		…
1012		1502
1013	This method should only be called during the C<on_start> hook, as there is	1503	This method should only be called during the C<on_start> hook, as there is
1014	only one resource database per display, and later invocations might return	1504	only one resource database per display, and later invocations might return
1015	the wrong resources.	1505	the wrong resources.
1016		1506
1017	=item $success = $term->parse_keysym ($keysym_spec, $command_string)	1507	=item $value = $term->x_resource_boolean ($pattern)
1018		1508
		1509	Like C<x_resource>, above, but interprets the string value as a boolean
		1510	and returns C<1> for true values, C<0> for false values and C<undef> if
		1511	the resource or option isn't specified.
		1512
		1513	You should always use this method to parse boolean resources.
		1514
		1515	=cut
		1516
		1517	sub x_resource_boolean {
		1518	my $res = &x_resource;
		1519
		1520	$res =~ /^\s*(?:true|yes|on|1)\s*$/i ? 1 : defined $res && 0
		1521	}
		1522
		1523	=item $success = $term->parse_keysym ($key, $octets)
		1524
1019	Adds a keymap translation exactly as specified via a resource. See the	1525	Adds a key binding exactly as specified via a resource. See the
1020	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.	1526	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.
		1527
		1528	=item $term->register_command ($keysym, $modifiermask, $string)
		1529
		1530	Adds a key binding. This is a lower level api compared to
		1531	C<parse_keysym>, as it expects a parsed key description, and can be
		1532	used only inside either the C<on_init> hook, to add a binding, or the
		1533	C<on_register_command> hook, to modify a parsed binding.
1021		1534
1022	=item $rend = $term->rstyle ([$new_rstyle])	1535	=item $rend = $term->rstyle ([$new_rstyle])
1023		1536
1024	Return and optionally change the current rendition. Text that is output by	1537	Return and optionally change the current rendition. Text that is output by
1025	the terminal application will use this style.	1538	the terminal application will use this style.
…		…
1033		1546
1034	=item ($row, $col) = $term->selection_beg ([$row, $col])	1547	=item ($row, $col) = $term->selection_beg ([$row, $col])
1035		1548
1036	=item ($row, $col) = $term->selection_end ([$row, $col])	1549	=item ($row, $col) = $term->selection_end ([$row, $col])
1037		1550
1038	Return the current values of the selection mark, begin or end positions,	1551	Return the current values of the selection mark, begin or end positions.
1039	and optionally set them to new values.	1552
		1553	When arguments are given, then the selection coordinates are set to
		1554	C<$row> and C<$col>, and the selection screen is set to the current
		1555	screen.
		1556
		1557	=item $screen = $term->selection_screen ([$screen])
		1558
		1559	Returns the current selection screen, and then optionally sets it.
1040		1560
1041	=item $term->selection_make ($eventtime[, $rectangular])	1561	=item $term->selection_make ($eventtime[, $rectangular])
1042		1562
1043	Tries to make a selection as set by C<selection_beg> and	1563	Tries to make a selection as set by C<selection_beg> and
1044	C<selection_end>. If C<$rectangular> is true (default: false), a	1564	C<selection_end>. If C<$rectangular> is true (default: false), a
1045	rectangular selection will be made. This is the prefered function to make	1565	rectangular selection will be made. This is the preferred function to make
1046	a selection.	1566	a selection.
1047		1567
1048	=item $success = $term->selection_grab ($eventtime)	1568	=item $success = $term->selection_grab ($eventtime[, $clipboard])
1049		1569
1050	Try to request the primary selection text from the server (for example, as	1570	Try to acquire ownership of the primary (clipboard if C<$clipboard> is
		1571	true) selection from the server. The corresponding text can be set
1051	set by the next method). No visual feedback will be given. This function	1572	with the next method. No visual feedback will be given. This function
1052	is mostly useful from within C<on_sel_grab> hooks.	1573	is mostly useful from within C<on_sel_grab> hooks.
1053		1574
1054	=item $oldtext = $term->selection ([$newtext])	1575	=item $oldtext = $term->selection ([$newtext, $clipboard])
1055		1576
1056	Return the current selection text and optionally replace it by C<$newtext>.	1577	Return the current selection (clipboard if C<$clipboard> is true) text
		1578	and optionally replace it by C<$newtext>.
		1579
		1580	=item $term->selection_clear ([$clipboard])
		1581
		1582	Revoke ownership of the primary (clipboard if C<$clipboard> is true) selection.
1057		1583
1058	=item $term->overlay_simple ($x, $y, $text)	1584	=item $term->overlay_simple ($x, $y, $text)
1059		1585
1060	Create a simple multi-line overlay box. See the next method for details.	1586	Create a simple multi-line overlay box. See the next method for details.
1061		1587
…		…
1091		1617
1092	The methods currently supported on C<urxvt::overlay> objects are:	1618	The methods currently supported on C<urxvt::overlay> objects are:
1093		1619
1094	=over 4	1620	=over 4
1095		1621
1096	=item $overlay->set ($x, $y, $text, $rend)	1622	=item $overlay->set ($x, $y, $text[, $rend])
1097		1623
1098	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts	1624	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts
1099	text in rxvt-unicode's special encoding and an array of rendition values	1625	text in rxvt-unicode's special encoding and an array of rendition values
1100	at a specific position inside the overlay.	1626	at a specific position inside the overlay.
		1627
		1628	If C<$rend> is missing, then the rendition will not be changed.
1101		1629
1102	=item $overlay->hide	1630	=item $overlay->hide
1103		1631
1104	If visible, hide the overlay, but do not destroy it.	1632	If visible, hide the overlay, but do not destroy it.
1105		1633
…		…
1175		1703
1176	Normally its not a good idea to use this function, as programs might be	1704	Normally its not a good idea to use this function, as programs might be
1177	confused by changes in cursor position or scrolling. Its useful inside a	1705	confused by changes in cursor position or scrolling. Its useful inside a
1178	C<on_add_lines> hook, though.	1706	C<on_add_lines> hook, though.
1179		1707
		1708	=item $term->scr_change_screen ($screen)
		1709
		1710	Switch to given screen - 0 primary, 1 secondary.
		1711
1180	=item $term->cmd_parse ($octets)	1712	=item $term->cmd_parse ($octets)
1181		1713
1182	Similar to C<scr_add_lines>, but the argument must be in the	1714	Similar to C<scr_add_lines>, but the argument must be in the
1183	locale-specific encoding of the terminal and can contain command sequences	1715	locale-specific encoding of the terminal and can contain command sequences
1184	(escape codes) that will be interpreted.	1716	(escape codes) that will be interpreted.
1185		1717
1186	=item $term->tt_write ($octets)	1718	=item $term->tt_write ($octets)
1187		1719
1188	Write the octets given in C<$data> to the tty (i.e. as program input). To	1720	Write the octets given in C<$octets> to the tty (i.e. as program input). To
1189	pass characters instead of octets, you should convert your strings first	1721	pass characters instead of octets, you should convert your strings first
1190	to the locale-specific encoding using C<< $term->locale_encode >>.	1722	to the locale-specific encoding using C<< $term->locale_encode >>.
		1723
		1724	=item $term->tt_paste ($octets)
		1725
		1726	Write the octets given in C<$octets> to the tty as a paste, converting NL to
		1727	CR and bracketing the data with control sequences if bracketed paste mode
		1728	is set.
1191		1729
1192	=item $old_events = $term->pty_ev_events ([$new_events])	1730	=item $old_events = $term->pty_ev_events ([$new_events])
1193		1731
1194	Replaces the event mask of the pty watcher by the given event mask. Can	1732	Replaces the event mask of the pty watcher by the given event mask. Can
1195	be used to suppress input and output handling to the pty/tty. See the	1733	be used to suppress input and output handling to the pty/tty. See the
1196	description of C<< urxvt::timer->events >>. Make sure to always restore	1734	description of C<< urxvt::timer->events >>. Make sure to always restore
1197	the previous value.	1735	the previous value.
1198		1736
		1737	=item $fd = $term->pty_fd
		1738
		1739	Returns the master file descriptor for the pty in use, or C<-1> if no pty
		1740	is used.
		1741
1199	=item $windowid = $term->parent	1742	=item $windowid = $term->parent
1200		1743
1201	Return the window id of the toplevel window.	1744	Return the window id of the toplevel window.
1202		1745
1203	=item $windowid = $term->vt	1746	=item $windowid = $term->vt
…		…
1209	Adds the specified events to the vt event mask. Useful e.g. when you want	1752	Adds the specified events to the vt event mask. Useful e.g. when you want
1210	to receive pointer events all the times:	1753	to receive pointer events all the times:
1211		1754
1212	$term->vt_emask_add (urxvt::PointerMotionMask);	1755	$term->vt_emask_add (urxvt::PointerMotionMask);
1213		1756
		1757	=item $term->set_urgency ($set)
		1758
		1759	Enable/disable the urgency hint on the toplevel window.
		1760
		1761	=item $term->focus_in
		1762
		1763	=item $term->focus_out
		1764
		1765	=item $term->key_press ($state, $keycode[, $time])
		1766
		1767	=item $term->key_release ($state, $keycode[, $time])
		1768
		1769	Deliver various fake events to to terminal.
		1770
1214	=item $window_width = $term->width	1771	=item $window_width = $term->width
1215		1772
1216	=item $window_height = $term->height	1773	=item $window_height = $term->height
1217		1774
1218	=item $font_width = $term->fwidth	1775	=item $font_width = $term->fwidth
…		…
1248	=item $env = $term->env	1805	=item $env = $term->env
1249		1806
1250	Returns a copy of the environment in effect for the terminal as a hashref	1807	Returns a copy of the environment in effect for the terminal as a hashref
1251	similar to C<\%ENV>.	1808	similar to C<\%ENV>.
1252		1809
		1810	=item @envv = $term->envv
		1811
		1812	Returns the environment as array of strings of the form C<VAR=VALUE>.
		1813
		1814	=item @argv = $term->argv
		1815
		1816	Return the argument vector as this terminal, similar to @ARGV, but
		1817	includes the program name as first element.
		1818
1253	=cut	1819	=cut
1254		1820
1255	sub env {	1821	sub env {
1256	if (my $env = $_[0]->_env) {
1257	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), @$env }	1822	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), $_[0]->envv }
1258	} else {
1259	+{ %ENV }
1260	}
1261	}	1823	}
1262		1824
1263	=item $modifiermask = $term->ModLevel3Mask	1825	=item $modifiermask = $term->ModLevel3Mask
1264		1826
1265	=item $modifiermask = $term->ModMetaMask	1827	=item $modifiermask = $term->ModMetaMask
1266		1828
1267	=item $modifiermask = $term->ModNumLockMask	1829	=item $modifiermask = $term->ModNumLockMask
1268		1830
1269	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often	1831	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
1270	AltGr), the meta key (often Alt) and the num lock key, if applicable.	1832	AltGr), the meta key (often Alt) and the num lock key, if applicable.
		1833
		1834	=item $screen = $term->current_screen
		1835
		1836	Returns the currently displayed screen (0 primary, 1 secondary).
		1837
		1838	=item $cursor_is_hidden = $term->hidden_cursor
		1839
		1840	Returns whether the cursor is currently hidden or not.
1271		1841
1272	=item $view_start = $term->view_start ([$newvalue])	1842	=item $view_start = $term->view_start ([$newvalue])
1273		1843
1274	Returns the row number of the topmost displayed line. Maximum value is	1844	Returns the row number of the topmost displayed line. Maximum value is
1275	C<0>, which displays the normal terminal contents. Lower values scroll	1845	C<0>, which displays the normal terminal contents. Lower values scroll
…		…
1283		1853
1284	Used after changing terminal contents to display them.	1854	Used after changing terminal contents to display them.
1285		1855
1286	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])	1856	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
1287		1857
1288	Returns the text of the entire row with number C<$row_number>. Row C<0>	1858	Returns the text of the entire row with number C<$row_number>. Row C<< $term->top_row >>
1289	is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost	1859	is the topmost terminal line, row C<< $term->nrow-1 >> is the bottommost
1290	terminal line. The scrollback buffer starts at line C<-1> and extends to
1291	line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line	1860	terminal line. Nothing will be returned if a nonexistent line
1292	is requested.	1861	is requested.
1293		1862
1294	If C<$new_text> is specified, it will replace characters in the current	1863	If C<$new_text> is specified, it will replace characters in the current
1295	line, starting at column C<$start_col> (default C<0>), which is useful	1864	line, starting at column C<$start_col> (default C<0>), which is useful
1296	to replace only parts of a line. The font index in the rendition will	1865	to replace only parts of a line. The font index in the rendition will
1297	automatically be updated.	1866	automatically be updated.
1298		1867
1299	C<$text> is in a special encoding: tabs and wide characters that use more	1868	C<$text> is in a special encoding: tabs and wide characters that use more
1300	than one cell when displayed are padded with urxvt::NOCHAR characters	1869	than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
1301	(C<chr 65535>). Characters with combining characters and other characters	1870	characters. Characters with combining characters and other characters that
1302	that do not fit into the normal tetx encoding will be replaced with	1871	do not fit into the normal text encoding will be replaced with characters
1303	characters in the private use area.	1872	in the private use area.
1304		1873
1305	You have to obey this encoding when changing text. The advantage is	1874	You have to obey this encoding when changing text. The advantage is
1306	that C<substr> and similar functions work on screen cells and not on	1875	that C<substr> and similar functions work on screen cells and not on
1307	characters.	1876	characters.
1308		1877
…		…
1452	where one character corresponds to one screen cell. See	2021	where one character corresponds to one screen cell. See
1453	C<< $term->ROW_t >> for details.	2022	C<< $term->ROW_t >> for details.
1454		2023
1455	=item $string = $term->special_decode $text	2024	=item $string = $term->special_decode $text
1456		2025
1457	Converts rxvt-unicodes text reprsentation into a perl string. See	2026	Converts rxvt-unicodes text representation into a perl string. See
1458	C<< $term->ROW_t >> for details.	2027	C<< $term->ROW_t >> for details.
1459		2028
1460	=item $success = $term->grab_button ($button, $modifiermask)	2029	=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
1461		2030
		2031	=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
		2032
1462	Registers a synchronous button grab. See the XGrabButton manpage.	2033	Register/unregister a synchronous button grab. See the XGrabButton
		2034	manpage.
1463		2035
1464	=item $success = $term->grab ($eventtime[, $sync])	2036	=item $success = $term->grab ($eventtime[, $sync])
1465		2037
1466	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or	2038	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1467	synchronous (C<$sync> is true). Also remembers the grab timestampe.	2039	synchronous (C<$sync> is true). Also remembers the grab timestamp.
1468		2040
1469	=item $term->allow_events_async	2041	=item $term->allow_events_async
1470		2042
1471	Calls XAllowEvents with AsyncBoth for the most recent grab.	2043	Calls XAllowEvents with AsyncBoth for the most recent grab.
1472		2044
…		…
1479	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most	2051	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
1480	recent grab.	2052	recent grab.
1481		2053
1482	=item $term->ungrab	2054	=item $term->ungrab
1483		2055
1484	Calls XUngrab for the most recent grab. Is called automatically on	2056	Calls XUngrabPointer and XUngrabKeyboard for the most recent grab. Is called automatically on
1485	evaluation errors, as it is better to lose the grab in the error case as	2057	evaluation errors, as it is better to lose the grab in the error case as
1486	the session.	2058	the session.
		2059
		2060	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
		2061
		2062	=item $atom_name = $term->XGetAtomName ($atom)
		2063
		2064	=item @atoms = $term->XListProperties ($window)
		2065
		2066	=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
		2067
		2068	=item $term->XChangeProperty ($window, $property, $type, $format, $octets)
		2069
		2070	=item $term->XDeleteProperty ($window, $property)
		2071
		2072	=item $window = $term->DefaultRootWindow
		2073
		2074	=item $term->XReparentWindow ($window, $parent, [$x, $y])
		2075
		2076	=item $term->XMapWindow ($window)
		2077
		2078	=item $term->XUnmapWindow ($window)
		2079
		2080	=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
		2081
		2082	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
		2083
		2084	=item $term->XChangeInput ($window, $add_events[, $del_events])
		2085
		2086	=item $keysym = $term->XStringToKeysym ($string)
		2087
		2088	=item $string = $term->XKeysymToString ($keysym)
		2089
		2090	Various X or X-related functions. The C<$term> object only serves as
		2091	the source of the display, otherwise those functions map more-or-less
		2092	directly onto the X functions of the same name.
1487		2093
1488	=back	2094	=back
1489		2095
1490	=cut	2096	=cut
1491		2097
…		…
1555	my ($self, $text, $cb) = @_;	2161	my ($self, $text, $cb) = @_;
1556		2162
1557	$self->add_item ({ type => "button", text => $text, activate => $cb});	2163	$self->add_item ({ type => "button", text => $text, activate => $cb});
1558	}	2164	}
1559		2165
1560	=item $popup->add_toggle ($text, $cb, $initial_value)	2166	=item $popup->add_toggle ($text, $initial_value, $cb)
1561		2167
1562	Adds a toggle/checkbox item to the popup. Teh callback gets called	2168	Adds a toggle/checkbox item to the popup. The callback gets called
1563	whenever it gets toggled, with a boolean indicating its value as its first	2169	whenever it gets toggled, with a boolean indicating its new value as its
1564	argument.	2170	first argument.
1565		2171
1566	=cut	2172	=cut
1567		2173
1568	sub add_toggle {	2174	sub add_toggle {
1569	my ($self, $text, $cb, $value) = @_;	2175	my ($self, $text, $value, $cb) = @_;
1570		2176
1571	my $item; $item = {	2177	my $item; $item = {
1572	type => "button",	2178	type => "button",
1573	text => " $text",	2179	text => " $text",
1574	value => $value,	2180	value => $value,
…		…
1593	my $env = $self->{term}->env;	2199	my $env = $self->{term}->env;
1594	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.	2200	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
1595	delete $env->{LC_ALL};	2201	delete $env->{LC_ALL};
1596	$env->{LC_CTYPE} = $self->{term}->locale;	2202	$env->{LC_CTYPE} = $self->{term}->locale;
1597		2203
1598	urxvt::term->new ($env, "popup",	2204	my $term = urxvt::term->new (
		2205	$env, "popup",
1599	"--perl-lib" => "", "--perl-ext-common" => "",	2206	"--perl-lib" => "", "--perl-ext-common" => "",
1600	"-pty-fd" => -1, "-sl" => 0,	2207	"-pty-fd" => -1, "-sl" => 0,
1601	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",	2208	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1602	"--transient-for" => $self->{term}->parent,	2209	"--transient-for" => $self->{term}->parent,
1603	"-display" => $self->{term}->display_id,	2210	"-display" => $self->{term}->display_id,
1604	"-pe" => "urxvt-popup")	2211	"-pe" => "urxvt-popup",
1605	or die "unable to create popup window\n";	2212	) or die "unable to create popup window\n";
		2213
		2214	unless (delete $term->{urxvt_popup_init_done}) {
		2215	$term->ungrab;
		2216	$term->destroy;
		2217	die "unable to initialise popup window\n";
		2218	}
1606	}	2219	}
1607		2220
1608	sub DESTROY {	2221	sub DESTROY {
1609	my ($self) = @_;	2222	my ($self) = @_;
1610		2223
1611	delete $self->{term}{_destroy}{$self};	2224	delete $self->{term}{_destroy}{$self};
1612	$self->{term}->ungrab;	2225	$self->{term}->ungrab;
1613	}	2226	}
1614		2227
1615	=back	2228	=back
		2229
		2230	=cut
		2231
		2232	package urxvt::watcher;
1616		2233
1617	=head2 The C<urxvt::timer> Class	2234	=head2 The C<urxvt::timer> Class
1618		2235
1619	This class implements timer watchers/events. Time is represented as a	2236	This class implements timer watchers/events. Time is represented as a
1620	fractional number of seconds since the epoch. Example:	2237	fractional number of seconds since the epoch. Example:
…		…
1624	->new	2241	->new
1625	->interval (1)	2242	->interval (1)
1626	->cb (sub {	2243	->cb (sub {
1627	$term->{overlay}->set (0, 0,	2244	$term->{overlay}->set (0, 0,
1628	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);	2245	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
1629	});	2246	});
1630		2247
1631	=over 4	2248	=over 4
1632		2249
1633	=item $timer = new urxvt::timer	2250	=item $timer = new urxvt::timer
1634		2251
…		…
1637		2254
1638	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })	2255	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })
1639		2256
1640	Set the callback to be called when the timer triggers.	2257	Set the callback to be called when the timer triggers.
1641		2258
1642	=item $tstamp = $timer->at
1643
1644	Return the time this watcher will fire next.
1645
1646	=item $timer = $timer->set ($tstamp)	2259	=item $timer = $timer->set ($tstamp[, $interval])
1647		2260
1648	Set the time the event is generated to $tstamp.	2261	Set the time the event is generated to $tstamp (and optionally specifies a
		2262	new $interval).
1649		2263
1650	=item $timer = $timer->interval ($interval)	2264	=item $timer = $timer->interval ($interval)
1651		2265
1652	Normally (and when C<$interval> is C<0>), the timer will automatically	2266	By default (and when C<$interval> is C<0>), the timer will automatically
1653	stop after it has fired once. If C<$interval> is non-zero, then the timer	2267	stop after it has fired once. If C<$interval> is non-zero, then the timer
1654	is automatically rescheduled at the given intervals.	2268	is automatically rescheduled at the given intervals.
1655		2269
1656	=item $timer = $timer->start	2270	=item $timer = $timer->start
1657		2271
1658	Start the timer.	2272	Start the timer.
1659		2273
1660	=item $timer = $timer->start ($tstamp)	2274	=item $timer = $timer->start ($tstamp[, $interval])
1661		2275
1662	Set the event trigger time to C<$tstamp> and start the timer.	2276	Set the event trigger time to C<$tstamp> and start the timer. Optionally
		2277	also replaces the interval.
1663		2278
1664	=item $timer = $timer->after ($delay)	2279	=item $timer = $timer->after ($delay[, $interval])
1665		2280
1666	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.	2281	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1667		2282
1668	=item $timer = $timer->stop	2283	=item $timer = $timer->stop
1669		2284
…		…
1677		2292
1678	$term->{socket} = ...	2293	$term->{socket} = ...
1679	$term->{iow} = urxvt::iow	2294	$term->{iow} = urxvt::iow
1680	->new	2295	->new
1681	->fd (fileno $term->{socket})	2296	->fd (fileno $term->{socket})
1682	->events (urxvt::EVENT_READ)	2297	->events (urxvt::EV_READ)
1683	->start	2298	->start
1684	->cb (sub {	2299	->cb (sub {
1685	my ($iow, $revents) = @_;	2300	my ($iow, $revents) = @_;
1686	# $revents must be 1 here, no need to check	2301	# $revents must be 1 here, no need to check
1687	sysread $term->{socket}, my $buf, 8192	2302	sysread $term->{socket}, my $buf, 8192
…		…
1700	Set the callback to be called when io events are triggered. C<$reventmask>	2315	Set the callback to be called when io events are triggered. C<$reventmask>
1701	is a bitset as described in the C<events> method.	2316	is a bitset as described in the C<events> method.
1702		2317
1703	=item $iow = $iow->fd ($fd)	2318	=item $iow = $iow->fd ($fd)
1704		2319
1705	Set the filedescriptor (not handle) to watch.	2320	Set the file descriptor (not handle) to watch.
1706		2321
1707	=item $iow = $iow->events ($eventmask)	2322	=item $iow = $iow->events ($eventmask)
1708		2323
1709	Set the event mask to watch. The only allowed values are	2324	Set the event mask to watch. The only allowed values are
1710	C<urxvt::EVENT_READ> and C<urxvt::EVENT_WRITE>, which might be ORed	2325	C<urxvt::EV_READ> and C<urxvt::EV_WRITE>, which might be ORed
1711	together, or C<urxvt::EVENT_NONE>.	2326	together, or C<urxvt::EV_NONE>.
1712		2327
1713	=item $iow = $iow->start	2328	=item $iow = $iow->start
1714		2329
1715	Start watching for requested events on the given handle.	2330	Start watching for requested events on the given handle.
1716		2331
1717	=item $iow = $iow->stop	2332	=item $iow = $iow->stop
1718		2333
1719	Stop watching for events on the given filehandle.	2334	Stop watching for events on the given file handle.
		2335
		2336	=back
		2337
		2338	=head2 The C<urxvt::iw> Class
		2339
		2340	This class implements idle watchers, that get called automatically when
		2341	the process is idle. They should return as fast as possible, after doing
		2342	some useful work.
		2343
		2344	=over 4
		2345
		2346	=item $iw = new urxvt::iw
		2347
		2348	Create a new idle watcher object in stopped state.
		2349
		2350	=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
		2351
		2352	Set the callback to be called when the watcher triggers.
		2353
		2354	=item $timer = $timer->start
		2355
		2356	Start the watcher.
		2357
		2358	=item $timer = $timer->stop
		2359
		2360	Stop the watcher.
		2361
		2362	=back
		2363
		2364	=head2 The C<urxvt::pw> Class
		2365
		2366	This class implements process watchers. They create an event whenever a
		2367	process exits, after which they stop automatically.
		2368
		2369	my $pid = fork;
		2370	...
		2371	$term->{pw} = urxvt::pw
		2372	->new
		2373	->start ($pid)
		2374	->cb (sub {
		2375	my ($pw, $exit_status) = @_;
		2376	...
		2377	});
		2378
		2379	=over 4
		2380
		2381	=item $pw = new urxvt::pw
		2382
		2383	Create a new process watcher in stopped state.
		2384
		2385	=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
		2386
		2387	Set the callback to be called when the timer triggers.
		2388
		2389	=item $pw = $timer->start ($pid)
		2390
		2391	Tells the watcher to start watching for process C<$pid>.
		2392
		2393	=item $pw = $pw->stop
		2394
		2395	Stop the watcher.
1720		2396
1721	=back	2397	=back
1722		2398
1723	=head1 ENVIRONMENT	2399	=head1 ENVIRONMENT
1724		2400
…		…
1733		2409
1734	=item >= 3 - script loading and management	2410	=item >= 3 - script loading and management
1735		2411
1736	=item >=10 - all called hooks	2412	=item >=10 - all called hooks
1737		2413
1738	=item >=11 - hook reutrn values	2414	=item >=11 - hook return values
1739		2415
1740	=back	2416	=back
1741		2417
1742	=head1 AUTHOR	2418	=head1 AUTHOR
1743		2419
1744	Marc Lehmann <pcg@goof.com>	2420	Marc Lehmann <schmorp@schmorp.de>
1745	http://software.schmorp.de/pkg/rxvt-unicode	2421	http://software.schmorp.de/pkg/rxvt-unicode
1746		2422
1747	=cut	2423	=cut
1748		2424
1749	1	2425	1
		2426
		2427	# vim: sw=3:

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