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Revision 1.99 by root, Tue Jan 17 17:09:26 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.
		124
		125	Other extensions can extend this popup menu by pushing a code reference
		126	onto C<@{ $term->{selection_popup_hook} }>, which gets called whenever the
		127	popup is being displayed.
		128
		129	Its sole argument is the popup menu, which can be modified. The selection
		130	is in C<$_>, which can be used to decide whether to add something or not.
		131	It should either return nothing or a string and a code reference. The
		132	string will be used as button text and the code reference will be called
		133	when the button gets activated and should transform C<$_>.
		134
		135	The following will add an entry C<a to b> that transforms all C<a>s in
		136	the selection to C<b>s, but only if the selection currently contains any
		137	C<a>s:
		138
		139	push @{ $self->{term}{selection_popup_hook} }, sub {
		140	/a/ ? ("a to b" => sub { s/a/b/g }
		141	: ()
		142	};
93		143
94	=item searchable-scrollback<hotkey> (enabled by default)	144	=item searchable-scrollback<hotkey> (enabled by default)
95		145
96	Adds regex search functionality to the scrollback buffer, triggered	146	Adds regex search functionality to the scrollback buffer, triggered
97	by a hotkey (default: C<M-s>). While in search mode, normal terminal	147	by a hotkey (default: C<M-s>). While in search mode, normal terminal
…		…
102	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>
103	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
104	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
105	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
106	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
107	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.
108		189
109	=item selection-autotransform	190	=item selection-autotransform
110		191
111	This selection allows you to do automatic transforms on a selection	192	This selection allows you to do automatic transforms on a selection
112	whenever a selection is made.	193	whenever a selection is made.
…		…
125	URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/	206	URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/
126		207
127	And this example matches the same,but replaces it with vi-commands you can	208	And this example matches the same,but replaces it with vi-commands you can
128	paste directly into your (vi :) editor:	209	paste directly into your (vi :) editor:
129		210
130	URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/\\x1b:e \\Q$1\\E\\x0d:$2\\x0d/	211	URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/:e \\Q$1\\E\\x0d:$2\\x0d/
131		212
132	Of course, this can be modified to suit your needs and your editor :)	213	Of course, this can be modified to suit your needs and your editor :)
133		214
134	To expand the example above to typical perl error messages ("XXX at	215	To expand the example above to typical perl error messages ("XXX at
135	FILENAME line YYY."), you need a slightly more elaborate solution:	216	FILENAME line YYY."), you need a slightly more elaborate solution:
136		217
137	URxvt.selection.pattern-0: ( at .*? line \\d+\\.)	218	URxvt.selection.pattern-0: ( at .*? line \\d+[,.])
138	URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)\\.$/\x1b:e \\Q$1\E\\x0d:$2\\x0d/	219	URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)[,.]$/:e \\Q$1\E\\x0d:$2\\x0d/
139		220
140	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
141	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
142	the message into vi commands to load the file.	223	the message into vi commands to load the file.
143		224
144	=item mark-urls	225	=item tabbed
145		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
146	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
147	make them clickable. When middle-clicked, the program specified in the	251	matching a certain pattern and make it clickable. When clicked with the
148	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
149	the URL as first argument.	253	middle), the program specified in the C<matcher.launcher> resource
		254	(default, the C<urlLauncher> resource, C<sensible-browser>) will be started
		255	with the matched text as first argument. The default configuration is
		256	suitable for matching URLs and launching a web browser, like the
		257	former "mark-urls" extension.
		258
		259	The default pattern to match URLs can be overridden with the
		260	C<matcher.pattern.0> resource, and additional patterns can be specified
		261	with numbered patterns, in a manner similar to the "selection" extension.
		262	The launcher can also be overridden on a per-pattern basis.
		263
		264	It is possible to activate the most recently seen match or a list of matches
		265	from the keyboard. Simply bind a keysym to "perl:matcher:last" or
		266	"perl:matcher:list" as seen in the example below.
		267
		268	Example configuration:
		269
		270	URxvt.perl-ext: default,matcher
		271	URxvt.urlLauncher: sensible-browser
		272	URxvt.keysym.C-Delete: perl:matcher:last
		273	URxvt.keysym.M-Delete: perl:matcher:list
		274	URxvt.matcher.button: 1
		275	URxvt.matcher.pattern.1: \\bwww\\.[\\w-]+\\.[\\w./?&@#-]*[\\w/-]
		276	URxvt.matcher.pattern.2: \\B(/\\S+?):(\\d+)(?=:|$)
		277	URxvt.matcher.launcher.2: gvim +$2 $1
		278
		279	=item xim-onthespot
		280
		281	This (experimental) perl extension implements OnTheSpot editing. It does
		282	not work perfectly, and some input methods don't seem to work well with
		283	OnTheSpot editing in general, but it seems to work at least for SCIM and
		284	kinput2.
		285
		286	You enable it by specifying this extension and a preedit style of
		287	C<OnTheSpot>, i.e.:
		288
		289	@@RXVT_NAME@@ -pt OnTheSpot -pe xim-onthespot
		290
		291	=item kuake<hotkey>
		292
		293	A very primitive quake-console-like extension. It was inspired by a
		294	description of how the programs C<kuake> and C<yakuake> work: Whenever the
		295	user presses a global accelerator key (by default C<F10>), the terminal
		296	will show or hide itself. Another press of the accelerator key will hide
		297	or show it again.
		298
		299	Initially, the window will not be shown when using this extension.
		300
		301	This is useful if you need a single terminal that is not using any desktop
		302	space most of the time but is quickly available at the press of a key.
		303
		304	The accelerator key is grabbed regardless of any modifiers, so this
		305	extension will actually grab a physical key just for this function.
		306
		307	If you want a quake-like animation, tell your window manager to do so
		308	(fvwm can do it).
		309
		310	=item overlay-osc
		311
		312	This extension implements some OSC commands to display timed popups on the
		313	screen - useful for status displays from within scripts. You have to read
		314	the sources for more info.
150		315
151	=item block-graphics-to-ascii	316	=item block-graphics-to-ascii
152		317
153	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
154	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
155	similar-looking ascii character.	320	similar-looking ascii character.
156		321
157	=item digital-clock	322	=item digital-clock
158		323
159	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.
160		393
161	=item example-refresh-hooks	394	=item example-refresh-hooks
162		395
163	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
164	window. Illustrates overwriting the refresh callbacks to create your own	397	window. Illustrates overwriting the refresh callbacks to create your own
165	overlays or changes.	398	overlays or changes.
166		399
167	=item selection-pastebin	400	=item confirm-paste
168		401
169	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
170	textfile to a remote site (or does other things). (The implementation is	403	line is detected.
171	not currently secure for use in a multiuser environment as it writes to
172	F</tmp> directly.).
173		404
174	It listens to the C<selection-pastebin:remote-pastebin> keyboard command,	405	=item bell-command
175	i.e.
176		406
177	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:
178		410
179	Pressing this combination runs a command with C<%> replaced by the name of	411	URxvt.bell-command: notify-send "Beep, Beep"
180	the textfile. This command can be set via a resource:
181
182	URxvt.selection-pastebin.cmd: rsync -apP % ruth:/var/www/www.ta-sa.org/files/txt/.
183
184	And the default is likely not useful to anybody but the few people around
185	here :)
186
187	The name of the textfile is the hex encoded md5 sum of the selection, so
188	the same content should lead to the same filename.
189
190	After a successful upload the selection will be replaced by the text given
191	in the C<selection-pastebin-url> resource (again, the % is the placeholder
192	for the filename):
193
194	URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/%
195		412
196	=back	413	=back
197		414
198	=head1 API DOCUMENTATION	415	=head1 API DOCUMENTATION
199		416
…		…
215		432
216	=over 4	433	=over 4
217		434
218	=item $text	435	=item $text
219		436
220	Rxvt-unicodes special way of encoding text, where one "unicode" character	437	Rxvt-unicode's special way of encoding text, where one "unicode" character
221	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.
222		439
223	=item $string	440	=item $string
224		441
225	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
…		…
229	=item $octets	446	=item $octets
230		447
231	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
232	locale-specific way.	449	locale-specific way.
233		450
		451	=item $keysym
		452
		453	an integer that is a valid X11 keysym code. You can convert a string
		454	into a keysym and viceversa by using C<XStringToKeysym> and
		455	C<XKeysymToString>.
		456
234	=back	457	=back
235		458
236	=head2 Extension Objects	459	=head2 Extension Objects
237		460
238	Very perl extension is a perl class. A separate perl object is created	461	Every perl extension is a perl class. A separate perl object is created
239	for each terminal and each extension and passed as the first parameter to	462	for each terminal, and each terminal has its own set of extension objects,
240	hooks. So extensions can use their C<$self> object without having to think	463	which are passed as the first parameter to hooks. So extensions can use
241	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
242	begin with an underscore character C<_>: these are reserved for internal	466	that begin with an underscore character C<_>: these are reserved for
243	use.	467	internal use.
244		468
245	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
246	C<urxvt::term> class on this object.	470	C<urxvt::term> class on this object.
247		471
248	It has the following methods and data members:	472	It has the following methods and data members:
…		…
269	=head2 Hooks	493	=head2 Hooks
270		494
271	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
272	called whenever the relevant event happens.	496	called whenever the relevant event happens.
273		497
274	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
275	the in the C<Extension Objects> section.	499	the in the C<Extension Objects> section.
276		500
277	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
278	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
279	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.
280		504
281	I<< When in doubt, return a false value (preferably C<()>). >>	505	I<< When in doubt, return a false value (preferably C<()>). >>
282		506
283	=over 4	507	=over 4
284		508
285	=item on_init $term	509	=item on_init $term
286		510
287	Called after a new terminal object has been initialized, but before	511	Called after a new terminal object has been initialized, but before
288	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
289	call or deliver senseless data, as terminal size and other characteristics	513	call or deliver senseless data, as terminal size and other characteristics
290	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
291	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).
292		527
293	=item on_reset $term	528	=item on_reset $term
294		529
295	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
296	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
297	variables.	532	variables.
298		533
299	=item on_start $term	534	=item on_child_start $term, $pid
300		535
301	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.
302	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>.
303		542
304	=item on_sel_make $term, $eventtime	543	=item on_sel_make $term, $eventtime
305		544
306	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
307	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
…		…
314		553
315	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
316	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
317	by calling C<< $term->selection >>.	556	by calling C<< $term->selection >>.
318		557
319	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.
320		559
321	=item on_sel_extend $term	560	=item on_sel_extend $term
322		561
323	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
324	click) and is either supposed to return false (normal operation), or	563	click) and is either supposed to return false (normal operation), or
325	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
326	processing. This can happen multiple times, as long as the callback	565	processing. This can happen multiple times, as long as the callback
327	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
328	supposed to enlarge the selection more and more, if possible.	567	supposed to enlarge the selection more and more, if possible.
329		568
330	See the F<selection> example extension.	569	See the F<selection> example extension.
331		570
332	=item on_view_change $term, $offset	571	=item on_view_change $term, $offset
333		572
334	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
335	scrolls. Offset C<0> means display the normal terminal, positive values	574	scrolls. Offset C<0> means display the normal terminal, positive values
336	show this many lines of scrollback.	575	show this many lines of scrollback.
337		576
338	=item on_scroll_back $term, $lines, $saved	577	=item on_scroll_back $term, $lines, $saved
339		578
…		…
343		582
344	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,	583	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,
345	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total	584	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total
346	number of lines that will be in the scrollback buffer.	585	number of lines that will be in the scrollback buffer.
347		586
348	=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, $resp
349		598
350	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =	599	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
351	operating system command) is processed. Cursor position and other state	600	operating system command) is processed. Cursor position and other state
352	information is up-to-date when this happens. For interoperability, the	601	information is up-to-date when this happens. For interoperability, the
353	string should start with the extension name and a colon, to distinguish	602	string should start with the extension name (sans -osc) and a semicolon,
354	it from commands for other extensions, and this might be enforced in the	603	to distinguish it from commands for other extensions, and this might be
355	future.	604	enforced in the future.
		605
		606	For example, C<overlay-osc> uses this:
		607
		608	sub on_osc_seq_perl {
		609	my ($self, $osc, $resp) = @_;
		610
		611	return unless $osc =~ s/^overlay;//;
		612
		613	... process remaining $osc string
		614	}
356		615
357	Be careful not ever to trust (in a security sense) the data you receive,	616	Be careful not ever to trust (in a security sense) the data you receive,
358	as its source can not easily be controleld (e-mail content, messages from	617	as its source can not easily be controlled (e-mail content, messages from
359	other users on the same system etc.).	618	other users on the same system etc.).
		619
		620	For responses, C<$resp> contains the end-of-args separator used by the
		621	sender.
360		622
361	=item on_add_lines $term, $string	623	=item on_add_lines $term, $string
362		624
363	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
364	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
…		…
369	=item on_tt_write $term, $octets	631	=item on_tt_write $term, $octets
370		632
371	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
372	suppress or filter tty input.	634	suppress or filter tty input.
373		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
374	=item on_line_update $term, $row	643	=item on_line_update $term, $row
375		644
376	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
377	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
378	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,
…		…
385	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
386	you cannot just toggle rendition bits, but only set them.	655	you cannot just toggle rendition bits, but only set them.
387		656
388	=item on_refresh_begin $term	657	=item on_refresh_begin $term
389		658
390	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
391	or similar effects by modify terminal contents in refresh_begin, and	660	similar effects by modifying the terminal contents in refresh_begin, and
392	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
393	code is run after this hook, and takes precedence.	662	code is run after this hook, and takes precedence.
394		663
395	=item on_refresh_end $term	664	=item on_refresh_end $term
396		665
397	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>.
398		667
399	=item on_keyboard_command $term, $string	668	=item on_user_command $term, $string
400		669
401	Called whenever the user presses a key combination that has a	670	Called whenever a user-configured event is being activated (e.g. via
402	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>
403	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.
404		689
405	=item on_x_event $term, $event	690	=item on_x_event $term, $event
406		691
407	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
408	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
409	members are not passed.	694	members are not passed.
410		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
411	=item on_focus_in $term	700	=item on_focus_in $term
412		701
413	Called whenever the window gets the keyboard focus, before rxvt-unicode	702	Called whenever the window gets the keyboard focus, before rxvt-unicode
414	does focus in processing.	703	does focus in processing.
415		704
416	=item on_focus_out $term	705	=item on_focus_out $term
417		706
418	Called wheneever the window loses keyboard focus, before rxvt-unicode does	707	Called whenever the window loses keyboard focus, before rxvt-unicode does
419	focus out processing.	708	focus out processing.
420		709
		710	=item on_configure_notify $term, $event
		711
		712	=item on_property_notify $term, $event
		713
421	=item on_key_press $term, $event, $keysym, $octets	714	=item on_key_press $term, $event, $keysym, $octets
422		715
423	=item on_key_release $term, $event, $keysym	716	=item on_key_release $term, $event, $keysym
424		717
425	=item on_button_press $term, $event	718	=item on_button_press $term, $event
…		…
430		723
431	=item on_map_notify $term, $event	724	=item on_map_notify $term, $event
432		725
433	=item on_unmap_notify $term, $event	726	=item on_unmap_notify $term, $event
434		727
435	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
436	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.
437		730
438	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
439	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
440	and column under the mouse cursor.	733	(real, not screen-based) row and column under the mouse cursor.
441		734
442	C<on_key_press> additionally receives the string rxvt-unicode would	735	C<on_key_press> additionally receives the string rxvt-unicode would
443	output, if any, in locale-specific encoding.	736	output, if any, in locale-specific encoding.
444		737
445	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.
446		752
447	=back	753	=back
448		754
449	=cut	755	=cut
450		756
…		…
456	use Scalar::Util ();	762	use Scalar::Util ();
457	use List::Util ();	763	use List::Util ();
458		764
459	our $VERSION = 1;	765	our $VERSION = 1;
460	our $TERM;	766	our $TERM;
		767	our @TERM_INIT; # should go, prevents async I/O etc.
		768	our @TERM_EXT; # should go, prevents async I/O etc.
461	our @HOOKNAME;	769	our @HOOKNAME;
462	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;	770	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
463	our %OPTION;	771	our %OPTION;
464		772
465	our $LIBDIR;	773	our $LIBDIR;
466	our $RESNAME;	774	our $RESNAME;
467	our $RESCLASS;	775	our $RESCLASS;
468	our $RXVTNAME;	776	our $RXVTNAME;
469		777
		778	our $NOCHAR = chr 0xffff;
		779
470	=head2 Variables in the C<urxvt> Package	780	=head2 Variables in the C<urxvt> Package
471		781
472	=over 4	782	=over 4
473		783
474	=item $urxvt::LIBDIR	784	=item $urxvt::LIBDIR
…		…
487	=item $urxvt::TERM	797	=item $urxvt::TERM
488		798
489	The current terminal. This variable stores the current C<urxvt::term>	799	The current terminal. This variable stores the current C<urxvt::term>
490	object, whenever a callback/hook is executing.	800	object, whenever a callback/hook is executing.
491		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
492	=back	818	=back
493		819
494	=head2 Functions in the C<urxvt> Package	820	=head2 Functions in the C<urxvt> Package
495		821
496	=over 4	822	=over 4
497		823
498	=item urxvt::fatal $errormessage	824	=item urxvt::fatal $errormessage
499		825
500	Fatally aborts execution with the given error message. Avoid at all	826	Fatally aborts execution with the given error message (which should
501	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
502	starts up.	828	is acceptable (and useful) is in the init hook, where it prevents the
		829	terminal from starting up.
503		830
504	=item urxvt::warn $string	831	=item urxvt::warn $string
505		832
506	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
507	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
508	that calls this function.	835	that calls this function.
509		836
510	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
511	correct place, e.g. on stderr of the connecting urxvtc client.	838	correct place, e.g. on stderr of the connecting urxvtc client.
512		839
513	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).
514		848
515	=item $time = urxvt::NOW	849	=item $time = urxvt::NOW
516		850
517	Returns the "current time" (as per the event loop).	851	Returns the "current time" (as per the event loop).
518		852
…		…
561		895
562	=item $rend = urxvt::OVERLAY_RSTYLE	896	=item $rend = urxvt::OVERLAY_RSTYLE
563		897
564	Return the rendition mask used for overlays by default.	898	Return the rendition mask used for overlays by default.
565		899
566	=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
567		902
568	Return the bit that enabled bold, italic, blink, reverse-video and	903	Return the bit that enabled bold, italic, blink, reverse-video and
569	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
570	the bitset.	905	the bitset.
571		906
…		…
577		912
578	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour	913	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour
579		914
580	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour	915	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour
581		916
		917	=item $rend = urxvt::SET_COLOR $rend, $new_fg, $new_bg
		918
582	Replace the foreground/background colour in the rendition mask with the	919	Replace the foreground/background colour in the rendition mask with the
583	specified one.	920	specified one.
584		921
585	=item $value = urxvt::GET_CUSTOM $rend	922	=item $value = urxvt::GET_CUSTOM $rend
586		923
…		…
595	=back	932	=back
596		933
597	=cut	934	=cut
598		935
599	BEGIN {	936	BEGIN {
600	urxvt->bootstrap;
601
602	# overwrite perl's warn	937	# overwrite perl's warn
603	*CORE::GLOBAL::warn = sub {	938	*CORE::GLOBAL::warn = sub {
604	my $msg = join "", @_;	939	my $msg = join "", @_;
605	$msg .= "\n"	940	$msg .= "\n"
606	unless $msg =~ /\n$/;	941	unless $msg =~ /\n$/;
607	urxvt::warn ($msg);	942	urxvt::warn ($msg);
608	};	943	};
		944	}
609		945
610	# %ENV is the original startup environment	946	no warnings 'utf8';
611	delete $ENV{IFS};	947
612	delete $ENV{CDPATH};	948	sub parse_resource {
613	delete $ENV{BASH_ENV};	949	my ($term, $name, $isarg, $longopt, $flag, $value) = @_;
614	$ENV{PATH} = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin:/opt/sbin";	950
		951	$term->scan_meta;
		952
		953	my $r = $term->{meta}{resource};
		954	while (my ($pattern, $v) = each %$r) {
		955	$name =~ y/-/./ if $isarg;
		956
		957	if (
		958	$pattern =~ /\.$/
		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	}
615	}	1005	}
616		1006
617	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};	1007	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
618		1008
619	sub verbose {	1009	sub verbose {
620	my ($level, $msg) = @_;	1010	my ($level, $msg) = @_;
621	warn "$msg\n" if $level <= $verbosity;	1011	warn "$msg\n" if $level <= $verbosity;
622	}	1012	}
623		1013
624	my $extension_pkg = "extension0000";
625	my %extension_pkg;	1014	my %extension_pkg;
626		1015
627	# load a single script into its own package, once only	1016	# load a single script into its own package, once only
628	sub extension_package($) {	1017	sub extension_package($) {
629	my ($path) = @_;	1018	my ($path) = @_;
630		1019
631	$extension_pkg{$path} ||= do {	1020	$extension_pkg{$path} ||= do {
632	my $pkg = "urxvt::" . ($extension_pkg++);	1021	$path =~ /([^\/\\]+)$/;
		1022	my $pkg = $1;
		1023	$pkg =~ s/[^[:word:]]/_/g;
		1024	$pkg = "urxvt::ext::$pkg";
633		1025
634	verbose 3, "loading extension '$path' into package '$pkg'";	1026	verbose 3, "loading extension '$path' into package '$pkg'";
635		1027
636	open my $fh, "<:raw", $path	1028	open my $fh, "<:raw", $path
637	or die "$path: $!";	1029	or die "$path: $!";
638		1030
639	my $source =	1031	my $source =
640	"package $pkg; use strict; use utf8;\n"	1032	"package $pkg; use strict; use utf8; no warnings 'utf8';\n"
641	. "use base urxvt::term::extension::;\n"
642	. "#line 1 \"$path\"\n{\n"	1033	. "#line 1 \"$path\"\n{\n"
643	. (do { local $/; <$fh> })	1034	. (do { local $/; <$fh> })
644	. "\n};\n1";	1035	. "\n};\n1";
645		1036
646	eval $source	1037	eval $source
…		…
656	sub invoke {	1047	sub invoke {
657	local $TERM = shift;	1048	local $TERM = shift;
658	my $htype = shift;	1049	my $htype = shift;
659		1050
660	if ($htype == 0) { # INIT	1051	if ($htype == 0) { # INIT
661	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");	1052	my @dirs = $TERM->perl_libdirs;
662		1053
663	my %ext_arg;	1054	my %ext_arg;
664		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
665	for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {	1065	for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
666	if ($_ eq "default") {	1066	if ($_ eq "default") {
667	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback);	1067	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline);
668	} elsif (/^-(.*)$/) {	1068	} elsif (/^-(.*)$/) {
669	delete $ext_arg{$1};	1069	delete $ext_arg{$1};
670	} elsif (/^([^<]+)<(.*)>$/) {	1070	} elsif (/^([^<]+)<(.*)>$/) {
671	push @{ $ext_arg{$1} }, $2;	1071	push @{ $ext_arg{$1} }, $2;
672	} else {	1072	} else {
673	$ext_arg{$_} ||= [];	1073	$ext_arg{$_} ||= [];
674	}	1074	}
675	}	1075	}
676		1076
677	while (my ($ext, $argv) = each %ext_arg) {	1077	for my $ext (sort keys %ext_arg) {
678	my @files = grep -f $_, map "$_/$ext", @dirs;	1078	my @files = grep -f $_, map "$_/$ext", @dirs;
679		1079
680	if (@files) {	1080	if (@files) {
681	$TERM->register_package (extension_package $files[0], $argv);	1081	$TERM->register_package (extension_package $files[0], $ext_arg{$ext});
682	} else {	1082	} else {
683	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";
684	}	1084	}
685	}	1085	}
686		1086
…		…
692		1092
693	if (my $cb = $TERM->{_hook}[$htype]) {	1093	if (my $cb = $TERM->{_hook}[$htype]) {
694	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"	1094	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
695	if $verbosity >= 10;	1095	if $verbosity >= 10;
696		1096
697	keys %$cb;	1097	for my $pkg (keys %$cb) {
698
699	while (my ($pkg, $cb) = each %$cb) {
700	$retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) }	1098	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg}, @_) };
701	and last;	1099	$retval ||= $retval_;
702		1100
703	if ($@) {	1101	if ($@) {
704	$TERM->ungrab; # better to lose the grab than the session	1102	$TERM->ungrab; # better to lose the grab than the session
705	warn $@;	1103	warn $@;
706	}	1104	}
…		…
719	}	1117	}
720		1118
721	$retval	1119	$retval
722	}	1120	}
723		1121
724	sub exec_async(@) {	1122	sub SET_COLOR($$$) {
725	my $pid = fork;	1123	SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
		1124	}
726		1125
727	return	1126	sub rend2mask {
728	if !defined $pid or $pid;	1127	no strict 'refs';
729		1128	my ($str, $mask) = (@_, 0);
730	%ENV = %{ $TERM->env };	1129	my %color = ( fg => undef, bg => undef );
731		1130	my @failed;
732	exec @_;	1131	for my $spec ( split /\s+/, $str ) {
733	_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)
734	}	1149	}
735		1150
736	# urxvt::term::extension	1151	# urxvt::term::extension
737		1152
738	package urxvt::term::extension;	1153	package urxvt::term::extension;
…		…
803	=head2 The C<urxvt::anyevent> Class	1218	=head2 The C<urxvt::anyevent> Class
804		1219
805	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
806	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
807	further programming. The only exception is that you cannot wait on	1222	further programming. The only exception is that you cannot wait on
808	condition variables, but non-blocking condvar use is ok. What this means	1223	condition variables, but non-blocking condvar use is ok.
809	is that you cannot use blocking APIs, but the non-blocking variant should	1224
810	work.	1225	In practical terms this means is that you cannot use blocking APIs, but
		1226	the non-blocking variant should work.
811		1227
812	=cut	1228	=cut
813		1229
814	our $VERSION = 1;	1230	our $VERSION = '5.23';
815		1231
816	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there	1232	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
817	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];	1233	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
818		1234
819	sub timer {	1235	sub timer {
…		…
821		1237
822	my $cb = $arg{cb};	1238	my $cb = $arg{cb};
823		1239
824	urxvt::timer	1240	urxvt::timer
825	->new	1241	->new
826	->start (urxvt::NOW + $arg{after})	1242	->after ($arg{after}, $arg{interval})
827	->cb (sub {	1243	->cb ($arg{interval} ? $cb : sub {
828	$_[0]->stop; # need to cancel manually	1244	$_[0]->stop; # need to cancel manually
829	$cb->();	1245	$cb->();
830	})	1246	})
831	}	1247	}
832		1248
833	sub io {	1249	sub io {
834	my ($class, %arg) = @_;	1250	my ($class, %arg) = @_;
835		1251
836	my $cb = $arg{cb};	1252	my $cb = $arg{cb};
		1253	my $fd = fileno $arg{fh};
		1254	defined $fd or $fd = $arg{fh};
837		1255
838	bless [$arg{fh}, urxvt::iow	1256	bless [$arg{fh}, urxvt::iow
839	->new	1257	->new
840	->fd (fileno $arg{fh})	1258	->fd ($fd)
841	->events (($arg{poll} =~ /r/ ? 1 : 0)	1259	->events (($arg{poll} =~ /r/ ? 1 : 0)
842	| ($arg{poll} =~ /w/ ? 2 : 0))	1260	| ($arg{poll} =~ /w/ ? 2 : 0))
843	->start	1261	->start
844	->cb (sub {	1262	->cb ($cb)
845	$cb->(($_[1] & 1 ? 'r' : '')
846	. ($_[1] & 2 ? 'w' : ''));
847	})],
848	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	})
849	}	1289	}
850		1290
851	sub DESTROY {	1291	sub DESTROY {
852	$_[0][1]->stop;	1292	$_[0][1]->stop;
853	}	1293	}
854		1294
855	sub condvar {	1295	# only needed for AnyEvent < 6 compatibility
856	bless \my $flag, urxvt::anyevent::condvar::	1296	sub one_event {
857	}
858
859	sub urxvt::anyevent::condvar::broadcast {
860	${$_[0]}++;
861	}
862
863	sub urxvt::anyevent::condvar::wait {
864	unless (${$_[0]}) {
865	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";
866	}
867	}	1298	}
868		1299
869	package urxvt::term;	1300	package urxvt::term;
870		1301
871	=head2 The C<urxvt::term> Class	1302	=head2 The C<urxvt::term> Class
…		…
876		1307
877	# find on_xxx subs in the package and register them	1308	# find on_xxx subs in the package and register them
878	# as hooks	1309	# as hooks
879	sub register_package {	1310	sub register_package {
880	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::;
881		1318
882	my $proxy = bless {	1319	my $proxy = bless {
883	_pkg => $pkg,	1320	_pkg => $pkg,
884	argv => $argv,	1321	argv => $argv,
885	}, $pkg;	1322	}, $pkg;
…		…
892	$proxy->enable ($name => $ref);	1329	$proxy->enable ($name => $ref);
893	}	1330	}
894	}	1331	}
895	}	1332	}
896		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
897	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]	1381	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
898		1382
899	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
900	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
901	hash which defines the environment of the new terminal.	1385	hash which defines the environment of the new terminal.
902		1386
903	Croaks (and probably outputs an error message) if the new instance	1387	Croaks (and probably outputs an error message) if the new instance
904	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
905	initialise perl, and the terminal object otherwise. The C<init> and	1389	initialise perl, and the terminal object otherwise. The C<init> and
906	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).
907		1392
908	=cut	1393	=cut
909		1394
910	sub new {	1395	sub new {
911	my ($class, $env, @args) = @_;	1396	my ($class, $env, @args) = @_;
912		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
913	_new ([ map "$_=$env->{$_}", keys %$env ], @args);	1401	_new ([ map "$_=$env->{$_}", keys %$env ], \@args);
914	}	1402	}
915		1403
916	=item $term->destroy	1404	=item $term->destroy
917		1405
918	Destroy the terminal object (close the window, free resources	1406	Destroy the terminal object (close the window, free resources
919	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
920	watchers (timers, io watchers) are still active.	1408	watchers (timers, io watchers) are still active.
921		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
922	=item $isset = $term->option ($optval[, $set])	1435	=item $isset = $term->option ($optval[, $set])
923		1436
924	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
925	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
926	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.
927		1440
928	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
929	source file F</src/optinc.h> to see the actual list:	1442	source file F</src/optinc.h> to see the actual list:
930		1443
931	borderLess console cursorBlink cursorUnderline hold iconic insecure	1444	borderLess buffered console cursorBlink cursorUnderline hold iconic
932	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage	1445	insecure intensityStyles iso14755 iso14755_52 jumpScroll loginShell
		1446	mapAlert meta8 mouseWheelScrollPage override_redirect pastableTabs
933	pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating	1447	pointerBlank reverseVideo scrollBar scrollBar_floating scrollBar_right
934	scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer	1448	scrollTtyKeypress scrollTtyOutput scrollWithBuffer secondaryScreen
935	secondaryScreen secondaryScroll skipBuiltinGlyphs transparent	1449	secondaryScroll skipBuiltinGlyphs skipScroll transparent tripleclickwords
936	tripleclickwords utmpInhibit visualBell	1450	urgentOnBell utmpInhibit visualBell
937		1451
938	=item $value = $term->resource ($name[, $newval])	1452	=item $value = $term->resource ($name[, $newval])
939		1453
940	Returns the current resource value associated with a given name and	1454	Returns the current resource value associated with a given name and
941	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>
…		…
950	likely change).	1464	likely change).
951		1465
952	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
953	terminal is destroyed, so changing options frequently will eat memory.	1467	terminal is destroyed, so changing options frequently will eat memory.
954		1468
955	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
956	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>
957	to see the actual list:	1471	to see the actual list:
958		1472
959	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont	1473	answerbackstring backgroundPixmap backspace_key blendtype blurradius
960	borderLess color cursorBlink cursorUnderline cutchars delete_key	1474	boldFont boldItalicFont borderLess buffered chdir color cursorBlink
961	display_name embed ext_bwidth fade font geometry hold iconName	1475	cursorUnderline cutchars delete_key depth display_name embed ext_bwidth
962	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
963	italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier	1478	jumpScroll letterSpace lineSpace loginShell mapAlert meta8 modifier
964	mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2	1479	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
965	perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd	1480	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
966	reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating	1481	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
967	scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput	1482	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
968	scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle	1483	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
969	shade term_name title transparent transparent_all tripleclickwords	1484	secondaryScreen secondaryScroll shade skipBuiltinGlyphs skipScroll
		1485	term_name title transient_for transparent tripleclickwords urgentOnBell
970	utmpInhibit visualBell	1486	utmpInhibit visualBell
971		1487
972	=cut	1488	=cut
973		1489
974	sub resource($$;$) {	1490	sub resource($$;$) {
975	my ($self, $name) = (shift, shift);	1491	my ($self, $name) = (shift, shift);
976	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);	1492	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
977	&urxvt::term::_resource	1493	goto &urxvt::term::_resource
978	}	1494	}
979		1495
980	=item $value = $term->x_resource ($pattern)	1496	=item $value = $term->x_resource ($pattern)
981		1497
982	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
…		…
986		1502
987	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
988	only one resource database per display, and later invocations might return	1504	only one resource database per display, and later invocations might return
989	the wrong resources.	1505	the wrong resources.
990		1506
991	=item $success = $term->parse_keysym ($keysym_spec, $command_string)	1507	=item $value = $term->x_resource_boolean ($pattern)
992		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
993	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
994	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.
995		1534
996	=item $rend = $term->rstyle ([$new_rstyle])	1535	=item $rend = $term->rstyle ([$new_rstyle])
997		1536
998	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
999	the terminal application will use this style.	1538	the terminal application will use this style.
…		…
1007		1546
1008	=item ($row, $col) = $term->selection_beg ([$row, $col])	1547	=item ($row, $col) = $term->selection_beg ([$row, $col])
1009		1548
1010	=item ($row, $col) = $term->selection_end ([$row, $col])	1549	=item ($row, $col) = $term->selection_end ([$row, $col])
1011		1550
1012	Return the current values of the selection mark, begin or end positions,	1551	Return the current values of the selection mark, begin or end positions.
1013	and optionally set them to new values.	1552
		1553	When arguments are given, then the selection coordinates are set to
		1554	C<$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.
1014		1560
1015	=item $term->selection_make ($eventtime[, $rectangular])	1561	=item $term->selection_make ($eventtime[, $rectangular])
1016		1562
1017	Tries to make a selection as set by C<selection_beg> and	1563	Tries to make a selection as set by C<selection_beg> and
1018	C<selection_end>. If C<$rectangular> is true (default: false), a	1564	C<selection_end>. If C<$rectangular> is true (default: false), a
1019	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
1020	a selection.	1566	a selection.
1021		1567
1022	=item $success = $term->selection_grab ($eventtime)	1568	=item $success = $term->selection_grab ($eventtime[, $clipboard])
1023		1569
1024	Try to request the primary selection text from the server (for example, as	1570	Try to acquire ownership of the primary (clipboard if C<$clipboard> is
		1571	true) selection from the server. The corresponding text can be set
1025	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
1026	is mostly useful from within C<on_sel_grab> hooks.	1573	is mostly useful from within C<on_sel_grab> hooks.
1027		1574
1028	=item $oldtext = $term->selection ([$newtext])	1575	=item $oldtext = $term->selection ([$newtext, $clipboard])
1029		1576
1030	Return the current selection text and optionally replace it by C<$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.
1031		1583
1032	=item $term->overlay_simple ($x, $y, $text)	1584	=item $term->overlay_simple ($x, $y, $text)
1033		1585
1034	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.
1035		1587
…		…
1065		1617
1066	The methods currently supported on C<urxvt::overlay> objects are:	1618	The methods currently supported on C<urxvt::overlay> objects are:
1067		1619
1068	=over 4	1620	=over 4
1069		1621
1070	=item $overlay->set ($x, $y, $text, $rend)	1622	=item $overlay->set ($x, $y, $text[, $rend])
1071		1623
1072	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts	1624	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts
1073	text in rxvt-unicode's special encoding and an array of rendition values	1625	text in rxvt-unicode's special encoding and an array of rendition values
1074	at a specific position inside the overlay.	1626	at a specific position inside the overlay.
		1627
		1628	If C<$rend> is missing, then the rendition will not be changed.
1075		1629
1076	=item $overlay->hide	1630	=item $overlay->hide
1077		1631
1078	If visible, hide the overlay, but do not destroy it.	1632	If visible, hide the overlay, but do not destroy it.
1079		1633
…		…
1149		1703
1150	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
1151	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
1152	C<on_add_lines> hook, though.	1706	C<on_add_lines> hook, though.
1153		1707
		1708	=item $term->scr_change_screen ($screen)
		1709
		1710	Switch to given screen - 0 primary, 1 secondary.
		1711
1154	=item $term->cmd_parse ($octets)	1712	=item $term->cmd_parse ($octets)
1155		1713
1156	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
1157	locale-specific encoding of the terminal and can contain command sequences	1715	locale-specific encoding of the terminal and can contain command sequences
1158	(escape codes) that will be interpreted.	1716	(escape codes) that will be interpreted.
1159		1717
1160	=item $term->tt_write ($octets)	1718	=item $term->tt_write ($octets)
1161		1719
1162	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
1163	pass characters instead of octets, you should convert your strings first	1721	pass characters instead of octets, you should convert your strings first
1164	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.
1165		1729
1166	=item $old_events = $term->pty_ev_events ([$new_events])	1730	=item $old_events = $term->pty_ev_events ([$new_events])
1167		1731
1168	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
1169	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
1170	description of C<< urxvt::timer->events >>. Make sure to always restore	1734	description of C<< urxvt::timer->events >>. Make sure to always restore
1171	the previous value.	1735	the previous value.
1172		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
1173	=item $windowid = $term->parent	1742	=item $windowid = $term->parent
1174		1743
1175	Return the window id of the toplevel window.	1744	Return the window id of the toplevel window.
1176		1745
1177	=item $windowid = $term->vt	1746	=item $windowid = $term->vt
…		…
1183	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
1184	to receive pointer events all the times:	1753	to receive pointer events all the times:
1185		1754
1186	$term->vt_emask_add (urxvt::PointerMotionMask);	1755	$term->vt_emask_add (urxvt::PointerMotionMask);
1187		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
1188	=item $window_width = $term->width	1771	=item $window_width = $term->width
1189		1772
1190	=item $window_height = $term->height	1773	=item $window_height = $term->height
1191		1774
1192	=item $font_width = $term->fwidth	1775	=item $font_width = $term->fwidth
…		…
1222	=item $env = $term->env	1805	=item $env = $term->env
1223		1806
1224	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
1225	similar to C<\%ENV>.	1808	similar to C<\%ENV>.
1226		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
1227	=cut	1819	=cut
1228		1820
1229	sub env {	1821	sub env {
1230	if (my $env = $_[0]->_env) {
1231	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), @$env }	1822	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), $_[0]->envv }
1232	} else {
1233	+{ %ENV }
1234	}
1235	}	1823	}
1236		1824
1237	=item $modifiermask = $term->ModLevel3Mask	1825	=item $modifiermask = $term->ModLevel3Mask
1238		1826
1239	=item $modifiermask = $term->ModMetaMask	1827	=item $modifiermask = $term->ModMetaMask
1240		1828
1241	=item $modifiermask = $term->ModNumLockMask	1829	=item $modifiermask = $term->ModNumLockMask
1242		1830
1243	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
1244	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.
1245		1841
1246	=item $view_start = $term->view_start ([$newvalue])	1842	=item $view_start = $term->view_start ([$newvalue])
1247		1843
1248	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
1249	C<0>, which displays the normal terminal contents. Lower values scroll	1845	C<0>, which displays the normal terminal contents. Lower values scroll
…		…
1257		1853
1258	Used after changing terminal contents to display them.	1854	Used after changing terminal contents to display them.
1259		1855
1260	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])	1856	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
1261		1857
1262	Returns the text of the entire row with number C<$row_number>. Row C<0>	1858	Returns the text of the entire row with number C<$row_number>. Row C<< $term->top_row >>
1263	is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost	1859	is the topmost terminal line, row C<< $term->nrow-1 >> is the bottommost
1264	terminal line. The scrollback buffer starts at line C<-1> and extends to
1265	line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line	1860	terminal line. Nothing will be returned if a nonexistent line
1266	is requested.	1861	is requested.
1267		1862
1268	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
1269	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
1270	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
1271	automatically be updated.	1866	automatically be updated.
1272		1867
1273	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
1274	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)
1275	(C<chr 65535>). Characters with combining characters and other characters	1870	characters. Characters with combining characters and other characters that
1276	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
1277	characters in the private use area.	1872	in the private use area.
1278		1873
1279	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
1280	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
1281	characters.	1876	characters.
1282		1877
…		…
1426	where one character corresponds to one screen cell. See	2021	where one character corresponds to one screen cell. See
1427	C<< $term->ROW_t >> for details.	2022	C<< $term->ROW_t >> for details.
1428		2023
1429	=item $string = $term->special_decode $text	2024	=item $string = $term->special_decode $text
1430		2025
1431	Converts rxvt-unicodes text reprsentation into a perl string. See	2026	Converts rxvt-unicodes text representation into a perl string. See
1432	C<< $term->ROW_t >> for details.	2027	C<< $term->ROW_t >> for details.
1433		2028
1434	=item $success = $term->grab_button ($button, $modifiermask)	2029	=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
1435		2030
		2031	=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
		2032
1436	Registers a synchronous button grab. See the XGrabButton manpage.	2033	Register/unregister a synchronous button grab. See the XGrabButton
		2034	manpage.
1437		2035
1438	=item $success = $term->grab ($eventtime[, $sync])	2036	=item $success = $term->grab ($eventtime[, $sync])
1439		2037
1440	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or	2038	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1441	synchronous (C<$sync> is true). Also remembers the grab timestampe.	2039	synchronous (C<$sync> is true). Also remembers the grab timestamp.
1442		2040
1443	=item $term->allow_events_async	2041	=item $term->allow_events_async
1444		2042
1445	Calls XAllowEvents with AsyncBoth for the most recent grab.	2043	Calls XAllowEvents with AsyncBoth for the most recent grab.
1446		2044
…		…
1453	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most	2051	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
1454	recent grab.	2052	recent grab.
1455		2053
1456	=item $term->ungrab	2054	=item $term->ungrab
1457		2055
1458	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
1459	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
1460	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<$term> object only serves as
		2091	the source of the display, otherwise those functions map more-or-less
		2092	directly onto the X functions of the same name.
1461		2093
1462	=back	2094	=back
1463		2095
1464	=cut	2096	=cut
1465		2097
…		…
1529	my ($self, $text, $cb) = @_;	2161	my ($self, $text, $cb) = @_;
1530		2162
1531	$self->add_item ({ type => "button", text => $text, activate => $cb});	2163	$self->add_item ({ type => "button", text => $text, activate => $cb});
1532	}	2164	}
1533		2165
1534	=item $popup->add_toggle ($text, $cb, $initial_value)	2166	=item $popup->add_toggle ($text, $initial_value, $cb)
1535		2167
1536	Adds a toggle/checkbox item to the popup. Teh callback gets called	2168	Adds a toggle/checkbox item to the popup. The callback gets called
1537	whenever it gets toggled, with a boolean indicating its value as its first	2169	whenever it gets toggled, with a boolean indicating its new value as its
1538	argument.	2170	first argument.
1539		2171
1540	=cut	2172	=cut
1541		2173
1542	sub add_toggle {	2174	sub add_toggle {
1543	my ($self, $text, $cb, $value) = @_;	2175	my ($self, $text, $value, $cb) = @_;
1544		2176
1545	my $item; $item = {	2177	my $item; $item = {
1546	type => "button",	2178	type => "button",
1547	text => " $text",	2179	text => " $text",
1548	value => $value,	2180	value => $value,
…		…
1567	my $env = $self->{term}->env;	2199	my $env = $self->{term}->env;
1568	# 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.
1569	delete $env->{LC_ALL};	2201	delete $env->{LC_ALL};
1570	$env->{LC_CTYPE} = $self->{term}->locale;	2202	$env->{LC_CTYPE} = $self->{term}->locale;
1571		2203
1572	urxvt::term->new ($env, $self->{term}->resource ("name"),	2204	my $term = urxvt::term->new (
1573	"--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0,	2205	$env, "popup",
		2206	"--perl-lib" => "", "--perl-ext-common" => "",
		2207	"-pty-fd" => -1, "-sl" => 0,
		2208	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1574	"--transient-for" => $self->{term}->parent,	2209	"--transient-for" => $self->{term}->parent,
1575	"-display" => $self->{term}->display_id,	2210	"-display" => $self->{term}->display_id,
1576	"-pe" => "urxvt-popup")	2211	"-pe" => "urxvt-popup",
1577	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	$term->destroy;
		2217	die "unable to initialise popup window\n";
		2218	}
1578	}	2219	}
1579		2220
1580	sub DESTROY {	2221	sub DESTROY {
1581	my ($self) = @_;	2222	my ($self) = @_;
1582		2223
1583	delete $self->{term}{_destroy}{$self};	2224	delete $self->{term}{_destroy}{$self};
1584	$self->{term}->ungrab;	2225	$self->{term}->ungrab;
1585	}	2226	}
1586		2227
1587	=back	2228	=back
		2229
		2230	=cut
		2231
		2232	package urxvt::watcher;
1588		2233
1589	=head2 The C<urxvt::timer> Class	2234	=head2 The C<urxvt::timer> Class
1590		2235
1591	This class implements timer watchers/events. Time is represented as a	2236	This class implements timer watchers/events. Time is represented as a
1592	fractional number of seconds since the epoch. Example:	2237	fractional number of seconds since the epoch. Example:
…		…
1596	->new	2241	->new
1597	->interval (1)	2242	->interval (1)
1598	->cb (sub {	2243	->cb (sub {
1599	$term->{overlay}->set (0, 0,	2244	$term->{overlay}->set (0, 0,
1600	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);	2245	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
1601	});	2246	});
1602		2247
1603	=over 4	2248	=over 4
1604		2249
1605	=item $timer = new urxvt::timer	2250	=item $timer = new urxvt::timer
1606		2251
…		…
1609		2254
1610	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })	2255	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })
1611		2256
1612	Set the callback to be called when the timer triggers.	2257	Set the callback to be called when the timer triggers.
1613		2258
1614	=item $tstamp = $timer->at
1615
1616	Return the time this watcher will fire next.
1617
1618	=item $timer = $timer->set ($tstamp)	2259	=item $timer = $timer->set ($tstamp[, $interval])
1619		2260
1620	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).
1621		2263
1622	=item $timer = $timer->interval ($interval)	2264	=item $timer = $timer->interval ($interval)
1623		2265
1624	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
1625	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
1626	is automatically rescheduled at the given intervals.	2268	is automatically rescheduled at the given intervals.
1627		2269
1628	=item $timer = $timer->start	2270	=item $timer = $timer->start
1629		2271
1630	Start the timer.	2272	Start the timer.
1631		2273
1632	=item $timer = $timer->start ($tstamp)	2274	=item $timer = $timer->start ($tstamp[, $interval])
1633		2275
1634	Set the event trigger time to C<$tstamp> and start the timer.	2276	Set the event trigger time to C<$tstamp> and start the timer. Optionally
		2277	also replaces the interval.
		2278
		2279	=item $timer = $timer->after ($delay[, $interval])
		2280
		2281	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1635		2282
1636	=item $timer = $timer->stop	2283	=item $timer = $timer->stop
1637		2284
1638	Stop the timer.	2285	Stop the timer.
1639		2286
…		…
1645		2292
1646	$term->{socket} = ...	2293	$term->{socket} = ...
1647	$term->{iow} = urxvt::iow	2294	$term->{iow} = urxvt::iow
1648	->new	2295	->new
1649	->fd (fileno $term->{socket})	2296	->fd (fileno $term->{socket})
1650	->events (urxvt::EVENT_READ)	2297	->events (urxvt::EV_READ)
1651	->start	2298	->start
1652	->cb (sub {	2299	->cb (sub {
1653	my ($iow, $revents) = @_;	2300	my ($iow, $revents) = @_;
1654	# $revents must be 1 here, no need to check	2301	# $revents must be 1 here, no need to check
1655	sysread $term->{socket}, my $buf, 8192	2302	sysread $term->{socket}, my $buf, 8192
…		…
1668	Set the callback to be called when io events are triggered. C<$reventmask>	2315	Set the callback to be called when io events are triggered. C<$reventmask>
1669	is a bitset as described in the C<events> method.	2316	is a bitset as described in the C<events> method.
1670		2317
1671	=item $iow = $iow->fd ($fd)	2318	=item $iow = $iow->fd ($fd)
1672		2319
1673	Set the filedescriptor (not handle) to watch.	2320	Set the file descriptor (not handle) to watch.
1674		2321
1675	=item $iow = $iow->events ($eventmask)	2322	=item $iow = $iow->events ($eventmask)
1676		2323
1677	Set the event mask to watch. The only allowed values are	2324	Set the event mask to watch. The only allowed values are
1678	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
1679	together, or C<urxvt::EVENT_NONE>.	2326	together, or C<urxvt::EV_NONE>.
1680		2327
1681	=item $iow = $iow->start	2328	=item $iow = $iow->start
1682		2329
1683	Start watching for requested events on the given handle.	2330	Start watching for requested events on the given handle.
1684		2331
1685	=item $iow = $iow->stop	2332	=item $iow = $iow->stop
1686		2333
1687	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.
1688		2396
1689	=back	2397	=back
1690		2398
1691	=head1 ENVIRONMENT	2399	=head1 ENVIRONMENT
1692		2400
…		…
1701		2409
1702	=item >= 3 - script loading and management	2410	=item >= 3 - script loading and management
1703		2411
1704	=item >=10 - all called hooks	2412	=item >=10 - all called hooks
1705		2413
1706	=item >=11 - hook reutrn values	2414	=item >=11 - hook return values
1707		2415
1708	=back	2416	=back
1709		2417
1710	=head1 AUTHOR	2418	=head1 AUTHOR
1711		2419
1712	Marc Lehmann <pcg@goof.com>	2420	Marc Lehmann <schmorp@schmorp.de>
1713	http://software.schmorp.de/pkg/rxvt-unicode	2421	http://software.schmorp.de/pkg/rxvt-unicode
1714		2422
1715	=cut	2423	=cut
1716		2424
1717	1	2425	1
		2426
		2427	# vim: sw=3:

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