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Revision 1.74 by root, Tue Jan 10 04:26:54 2006 UTC vs.
Revision 1.174 by root, Sat May 30 08:47:07 2009 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	=head2 Prepackaged Extensions	31	You can disable the embedded perl interpreter by setting both "perl-ext"
		32	and "perl-ext-common" resources to the empty string.
32		33
		34	=head1 PREPACKAGED EXTENSIONS
		35
33	This section describes the extensiosn delivered with this version. 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>
39		42
		43	Or by adding them to the resource for extensions loaded by default:
		44
		45	URxvt.perl-ext-common: default,selection-autotransform
		46
40	=over 4	47	=over 4
41		48
42	=item selection (enabled by default)	49	=item selection (enabled by default)
43		50
44	Intelligent selection. This extension tries to be more intelligent when	51	(More) intelligent selection. This extension tries to be more intelligent
45	the user extends selections (double-click). Right now, it tries to select	52	when the user extends selections (double-click and further clicks). Right
46	urls and complete shell-quoted arguments, which is very convenient, too,	53	now, it tries to select words, urls and complete shell-quoted
47	if your F<ls> supports C<--quoting-style=shell>.	54	arguments, which is very convenient, too, if your F<ls> supports
		55	C<--quoting-style=shell>.
48		56
49	It also offers the following bindable event:	57	A double-click usually selects the word under the cursor, further clicks
		58	will enlarge the selection.
		59
		60	The selection works by trying to match a number of regexes and displaying
		61	them in increasing order of length. You can add your own regexes by
		62	specifying resources of the form:
		63
		64	URxvt.selection.pattern-0: perl-regex
		65	URxvt.selection.pattern-1: perl-regex
		66	...
		67
		68	The index number (0, 1...) must not have any holes, and each regex must
		69	contain at least one pair of capturing parentheses, which will be used for
		70	the match. For example, the following adds a regex that matches everything
		71	between two vertical bars:
		72
		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: ^(/[^:]+):\
		81
		82	You can look at the source of the selection extension to see more
		83	interesting uses, such as parsing a line from beginning to end.
		84
		85	This extension also offers following bindable keyboard commands:
50		86
51	=over 4	87	=over 4
52		88
53	=item rot13	89	=item rot13
54		90
…		…
61	=item option-popup (enabled by default)	97	=item option-popup (enabled by default)
62		98
63	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
64	runtime.	100	runtime.
65		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
66	=item selection-popup (enabled by default)	119	=item selection-popup (enabled by default)
67		120
68	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
69	text into various other formats/action.	122	text into various other formats/action (such as uri unescaping, perl
		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	};
70		143
71	=item searchable-scrollback<hotkey> (enabled by default)	144	=item searchable-scrollback<hotkey> (enabled by default)
72		145
73	Adds regex search functionality to the scrollback buffer, triggered	146	Adds regex search functionality to the scrollback buffer, triggered
74	by a hotkey (default: C<M-s>). When in search mode, normal terminal	147	by a hotkey (default: C<M-s>). While in search mode, normal terminal
75	input/output is suspended.	148	input/output is suspended and a regex is displayed at the bottom of the
		149	screen.
76		150
77	C</> starts an incremental regex search, C<n> searches further, C<p> or	151	Inputting characters appends them to the regex and continues incremental
78	C<N> jump to the previous match, C<G> jumps to the bottom and clears the	152	search. C<BackSpace> removes a character from the regex, C<Up> and C<Down>
79	history, C<enter> leaves search mode at the current position and C<escape>	153	search upwards/downwards in the scrollback buffer, C<End> jumps to the
80	returns to the original position.	154	bottom. C<Escape> leaves search mode and returns to the point where search
		155	was started, while C<Enter> or C<Return> stay at the current position and
		156	additionally stores the first match in the current line into the primary
		157	selection if the C<Shift> modifier is active.
81		158
82	=item digital-clock	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.
83		162
84	Displays a digital clock using the built-in overlay.	163	See L<perlre> for more info about perl regular expression syntax.
85		164
86	=item mark-urls	165	=item readline (enabled by default)
87		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.
		189
		190	=item selection-autotransform
		191
		192	This selection allows you to do automatic transforms on a selection
		193	whenever a selection is made.
		194
		195	It works by specifying perl snippets (most useful is a single C<s///>
		196	operator) that modify C<$_> as resources:
		197
		198	URxvt.selection-autotransform.0: transform
		199	URxvt.selection-autotransform.1: transform
		200	...
		201
		202	For example, the following will transform selections of the form
		203	C<filename:number>, often seen in compiler messages, into C<vi +$filename
		204	$word>:
		205
		206	URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/
		207
		208	And this example matches the same,but replaces it with vi-commands you can
		209	paste directly into your (vi :) editor:
		210
		211	URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/:e \\Q$1\\E\\x0d:$2\\x0d/
		212
		213	Of course, this can be modified to suit your needs and your editor :)
		214
		215	To expand the example above to typical perl error messages ("XXX at
		216	FILENAME line YYY."), you need a slightly more elaborate solution:
		217
		218	URxvt.selection.pattern-0: ( at .*? line \\d+[,.])
		219	URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)[,.]$/:e \\Q$1\E\\x0d:$2\\x0d/
		220
		221	The first line tells the selection code to treat the unchanging part of
		222	every error message as a selection pattern, and the second line transforms
		223	the message into vi commands to load the file.
		224
		225	=item tabbed
		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
88	Uses per-line display filtering (C<on_line_update>) to underline urls.	250	Uses per-line display filtering (C<on_line_update>) to underline text
		251	matching a certain pattern and make it clickable. When clicked with the
		252	mouse button specified in the C<matcher.button> resource (default 2, or
		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 from the keyboard.
		265	Simply bind a keysym to "perl:matcher" as seen in the example below.
		266
		267	Example configuration:
		268
		269	URxvt.perl-ext: default,matcher
		270	URxvt.urlLauncher: sensible-browser
		271	URxvt.keysym.C-Delete: perl:matcher
		272	URxvt.matcher.button: 1
		273	URxvt.matcher.pattern.1: \\bwww\\.[\\w-]+\\.[\\w./?&@#-]*[\\w/-]
		274	URxvt.matcher.pattern.2: \\B(/\\S+?):(\\d+)(?=:|$)
		275	URxvt.matcher.launcher.2: gvim +$2 $1
		276
		277	=item xim-onthespot
		278
		279	This (experimental) perl extension implements OnTheSpot editing. It does
		280	not work perfectly, and some input methods don't seem to work well with
		281	OnTheSpot editing in general, but it seems to work at least for SCIM and
		282	kinput2.
		283
		284	You enable it by specifying this extension and a preedit style of
		285	C<OnTheSpot>, i.e.:
		286
		287	@@RXVT_NAME@@ -pt OnTheSpot -pe xim-onthespot
		288
		289	=item kuake<hotkey>
		290
		291	A very primitive quake-console-like extension. It was inspired by a
		292	description of how the programs C<kuake> and C<yakuake> work: Whenever the
		293	user presses a global accelerator key (by default C<F10>), the terminal
		294	will show or hide itself. Another press of the accelerator key will hide
		295	or show it again.
		296
		297	Initially, the window will not be shown when using this extension.
		298
		299	This is useful if you need a single terminal that is not using any desktop
		300	space most of the time but is quickly available at the press of a key.
		301
		302	The accelerator key is grabbed regardless of any modifiers, so this
		303	extension will actually grab a physical key just for this function.
		304
		305	If you want a quake-like animation, tell your window manager to do so
		306	(fvwm can do it).
		307
		308	=item overlay-osc
		309
		310	This extension implements some OSC commands to display timed popups on the
		311	screen - useful for status displays from within scripts. You have to read
		312	the sources for more info.
89		313
90	=item block-graphics-to-ascii	314	=item block-graphics-to-ascii
91		315
92	A not very useful example of filtering all text output to the terminal,	316	A not very useful example of filtering all text output to the terminal
93	by replacing all line-drawing characters (U+2500 .. U+259F) by a	317	by replacing all line-drawing characters (U+2500 .. U+259F) by a
94	similar-looking ascii character.	318	similar-looking ascii character.
		319
		320	=item digital-clock
		321
		322	Displays a digital clock using the built-in overlay.
		323
		324	=item remote-clipboard
		325
		326	Somewhat of a misnomer, this extension adds two menu entries to the
		327	selection popup that allows one to run external commands to store the
		328	selection somewhere and fetch it again.
		329
		330	We use it to implement a "distributed selection mechanism", which just
		331	means that one command uploads the file to a remote server, and another
		332	reads it.
		333
		334	The commands can be set using the C<URxvt.remote-selection.store> and
		335	C<URxvt.remote-selection.fetch> resources. The first should read the
		336	selection to store from STDIN (always in UTF-8), the second should provide
		337	the selection data on STDOUT (also in UTF-8).
		338
		339	The defaults (which are likely useless to you) use rsh and cat:
		340
		341	URxvt.remote-selection.store: rsh ruth 'cat >/tmp/distributed-selection'
		342	URxvt.remote-selection.fetch: rsh ruth 'cat /tmp/distributed-selection'
		343
		344	=item selection-pastebin
		345
		346	This is a little rarely useful extension that Uploads the selection as
		347	textfile to a remote site (or does other things). (The implementation is
		348	not currently secure for use in a multiuser environment as it writes to
		349	F</tmp> directly.).
		350
		351	It listens to the C<selection-pastebin:remote-pastebin> keyboard command,
		352	i.e.
		353
		354	URxvt.keysym.C-M-e: perl:selection-pastebin:remote-pastebin
		355
		356	Pressing this combination runs a command with C<%> replaced by the name of
		357	the textfile. This command can be set via a resource:
		358
		359	URxvt.selection-pastebin.cmd: rsync -apP % ruth:/var/www/www.ta-sa.org/files/txt/.
		360
		361	And the default is likely not useful to anybody but the few people around
		362	here :)
		363
		364	The name of the textfile is the hex encoded md5 sum of the selection, so
		365	the same content should lead to the same filename.
		366
		367	After a successful upload the selection will be replaced by the text given
		368	in the C<selection-pastebin-url> resource (again, the % is the placeholder
		369	for the filename):
		370
		371	URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/%
		372
		373	I<Note to xrdb users:> xrdb uses the C preprocessor, which might interpret
		374	the double C</> characters as comment start. Use C<\057\057> instead,
		375	which works regardless of wether xrdb is used to parse the resource file
		376	or not.
		377
		378	=item macosx-pastebin and macosx-pastebin-native
		379
		380	These two modules implement an extended clipboard for Mac OS X. They are
		381	used like this:
		382
		383	URxvt.perl-ext-common: default,macosx-clipboard
		384	URxvt.keysym.M-c: perl:macosx-clipboard:copy
		385	URxvt.keysym.M-v: perl:macosx-clipboard:paste
		386
		387	The difference between them is that the native variant requires a
		388	perl from apple's devkit or so, and C<maxosx-pastebin> requires the
		389	C<Mac::Pasteboard> module, works with other perls, has fewer bugs, is
		390	simpler etc. etc.
95		391
96	=item example-refresh-hooks	392	=item example-refresh-hooks
97		393
98	Displays a very simple digital clock in the upper right corner of the	394	Displays a very simple digital clock in the upper right corner of the
99	window. Illustrates overwriting the refresh callbacks to create your own	395	window. Illustrates overwriting the refresh callbacks to create your own
100	overlays or changes.	396	overlays or changes.
101		397
102	=back	398	=back
		399
		400	=head1 API DOCUMENTATION
103		401
104	=head2 General API Considerations	402	=head2 General API Considerations
105		403
106	All objects (such as terminals, time watchers etc.) are typical	404	All objects (such as terminals, time watchers etc.) are typical
107	reference-to-hash objects. The hash can be used to store anything you	405	reference-to-hash objects. The hash can be used to store anything you
…		…
120	=over 4	418	=over 4
121		419
122	=item $text	420	=item $text
123		421
124	Rxvt-unicodes special way of encoding text, where one "unicode" character	422	Rxvt-unicodes special way of encoding text, where one "unicode" character
125	always represents one screen cell. See L<row_t> for a discussion of this format.	423	always represents one screen cell. See L<ROW_t> for a discussion of this format.
126		424
127	=item $string	425	=item $string
128		426
129	A perl text string, with an emphasis on I<text>. It can store all unicode	427	A perl text string, with an emphasis on I<text>. It can store all unicode
130	characters and is to be distinguished with text encoded in a specific	428	characters and is to be distinguished with text encoded in a specific
…		…
137		435
138	=back	436	=back
139		437
140	=head2 Extension Objects	438	=head2 Extension Objects
141		439
142	Very perl extension is a perl class. A separate perl object is created	440	Every perl extension is a perl class. A separate perl object is created
143	for each terminal and each extension and passed as the first parameter to	441	for each terminal, and each terminal has its own set of extenion objects,
144	hooks. So extensions can use their C<$self> object without having to think	442	which are passed as the first parameter to hooks. So extensions can use
145	about other extensions, with the exception of methods and members that	443	their C<$self> object without having to think about clashes with other
		444	extensions or other terminals, with the exception of methods and members
146	begin with an underscore character C<_>: these are reserved for internal	445	that begin with an underscore character C<_>: these are reserved for
147	use.	446	internal use.
148		447
149	Although it isn't a C<urxvt::term> object, you can call all methods of the	448	Although it isn't a C<urxvt::term> object, you can call all methods of the
150	C<urxvt::term> class on this object.	449	C<urxvt::term> class on this object.
151		450
152	It has the following methods and data members:	451	It has the following methods and data members:
…		…
173	=head2 Hooks	472	=head2 Hooks
174		473
175	The following subroutines can be declared in extension files, and will be	474	The following subroutines can be declared in extension files, and will be
176	called whenever the relevant event happens.	475	called whenever the relevant event happens.
177		476
178	The first argument passed to them is an extension oject as described in	477	The first argument passed to them is an extension object as described in
179	the in the C<Extension Objects> section.	478	the in the C<Extension Objects> section.
180		479
181	B<All> of these hooks must return a boolean value. If it is true, then the	480	B<All> of these hooks must return a boolean value. If any of the called
182	event counts as being I<consumed>, and the invocation of other hooks is	481	hooks returns true, then the event counts as being I<consumed>, and the
183	skipped, and the relevant action might not be carried out by the C++ code.	482	relevant action might not be carried out by the C++ code.
184		483
185	I<< When in doubt, return a false value (preferably C<()>). >>	484	I<< When in doubt, return a false value (preferably C<()>). >>
186		485
187	=over 4	486	=over 4
188		487
189	=item on_init $term	488	=item on_init $term
190		489
191	Called after a new terminal object has been initialized, but before	490	Called after a new terminal object has been initialized, but before
192	windows are created or the command gets run. Most methods are unsafe to	491	windows are created or the command gets run. Most methods are unsafe to
193	call or deliver senseless data, as terminal size and other characteristics	492	call or deliver senseless data, as terminal size and other characteristics
194	have not yet been determined. You can safely query and change resources,	493	have not yet been determined. You can safely query and change resources
195	though.	494	and options, though. For many purposes the C<on_start> hook is a better
		495	place.
		496
		497	=item on_start $term
		498
		499	Called at the very end of initialisation of a new terminal, just before
		500	trying to map (display) the toplevel and returning to the main loop.
		501
		502	=item on_destroy $term
		503
		504	Called whenever something tries to destroy terminal, when the terminal is
		505	still fully functional (not for long, though).
196		506
197	=item on_reset $term	507	=item on_reset $term
198		508
199	Called after the screen is "reset" for any reason, such as resizing or	509	Called after the screen is "reset" for any reason, such as resizing or
200	control sequences. Here is where you can react on changes to size-related	510	control sequences. Here is where you can react on changes to size-related
201	variables.	511	variables.
202		512
203	=item on_start $term	513	=item on_child_start $term, $pid
204		514
205	Called at the very end of initialisation of a new terminal, just before	515	Called just after the child process has been C<fork>ed.
206	returning to the mainloop.	516
		517	=item on_child_exit $term, $status
		518
		519	Called just after the child process has exited. C<$status> is the status
		520	from C<waitpid>.
207		521
208	=item on_sel_make $term, $eventtime	522	=item on_sel_make $term, $eventtime
209		523
210	Called whenever a selection has been made by the user, but before the	524	Called whenever a selection has been made by the user, but before the
211	selection text is copied, so changes to the beginning, end or type of the	525	selection text is copied, so changes to the beginning, end or type of the
…		…
218		532
219	Called whenever a selection has been copied, but before the selection is	533	Called whenever a selection has been copied, but before the selection is
220	requested from the server. The selection text can be queried and changed	534	requested from the server. The selection text can be queried and changed
221	by calling C<< $term->selection >>.	535	by calling C<< $term->selection >>.
222		536
223	Returning a true value aborts selection grabbing. It will still be hilighted.	537	Returning a true value aborts selection grabbing. It will still be highlighted.
224		538
225	=item on_sel_extend $term	539	=item on_sel_extend $term
226		540
227	Called whenever the user tries to extend the selection (e.g. with a double	541	Called whenever the user tries to extend the selection (e.g. with a double
228	click) and is either supposed to return false (normal operation), or	542	click) and is either supposed to return false (normal operation), or
229	should extend the selection itelf and return true to suppress the built-in	543	should extend the selection itself and return true to suppress the built-in
230	processing.	544	processing. This can happen multiple times, as long as the callback
		545	returns true, it will be called on every further click by the user and is
		546	supposed to enlarge the selection more and more, if possible.
231		547
232	See the F<selection> example extension.	548	See the F<selection> example extension.
233		549
234	=item on_view_change $term, $offset	550	=item on_view_change $term, $offset
235		551
236	Called whenever the view offset changes, i..e the user or program	552	Called whenever the view offset changes, i.e. the user or program
237	scrolls. Offset C<0> means display the normal terminal, positive values	553	scrolls. Offset C<0> means display the normal terminal, positive values
238	show this many lines of scrollback.	554	show this many lines of scrollback.
239		555
240	=item on_scroll_back $term, $lines, $saved	556	=item on_scroll_back $term, $lines, $saved
241		557
…		…
245		561
246	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,	562	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,
247	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total	563	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total
248	number of lines that will be in the scrollback buffer.	564	number of lines that will be in the scrollback buffer.
249		565
250	=item on_osc_seq $term, $string	566	=item on_osc_seq $term, $op, $args, $resp
		567
		568	Called on every OSC sequence and can be used to suppress it or modify its
		569	behaviour. The default should be to return an empty list. A true value
		570	suppresses execution of the request completely. Make sure you don't get
		571	confused by recursive invocations when you output an OSC sequence within
		572	this callback.
		573
		574	C<on_osc_seq_perl> should be used for new behaviour.
		575
		576	=item on_osc_seq_perl $term, $args, $resp
251		577
252	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =	578	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
253	operating system command) is processed. Cursor position and other state	579	operating system command) is processed. Cursor position and other state
254	information is up-to-date when this happens. For interoperability, the	580	information is up-to-date when this happens. For interoperability, the
255	string should start with the extension name and a colon, to distinguish	581	string should start with the extension name (sans -osc) and a semicolon,
256	it from commands for other extensions, and this might be enforced in the	582	to distinguish it from commands for other extensions, and this might be
257	future.	583	enforced in the future.
		584
		585	For example, C<overlay-osc> uses this:
		586
		587	sub on_osc_seq_perl {
		588	my ($self, $osc, $resp) = @_;
		589
		590	return unless $osc =~ s/^overlay;//;
		591
		592	... process remaining $osc string
		593	}
258		594
259	Be careful not ever to trust (in a security sense) the data you receive,	595	Be careful not ever to trust (in a security sense) the data you receive,
260	as its source can not easily be controleld (e-mail content, messages from	596	as its source can not easily be controlled (e-mail content, messages from
261	other users on the same system etc.).	597	other users on the same system etc.).
		598
		599	For responses, C<$resp> contains the end-of-args separator used by the
		600	sender.
262		601
263	=item on_add_lines $term, $string	602	=item on_add_lines $term, $string
264		603
265	Called whenever text is about to be output, with the text as argument. You	604	Called whenever text is about to be output, with the text as argument. You
266	can filter/change and output the text yourself by returning a true value	605	can filter/change and output the text yourself by returning a true value
…		…
287	later with the already-modified line (e.g. if unrelated parts change), so	626	later with the already-modified line (e.g. if unrelated parts change), so
288	you cannot just toggle rendition bits, but only set them.	627	you cannot just toggle rendition bits, but only set them.
289		628
290	=item on_refresh_begin $term	629	=item on_refresh_begin $term
291		630
292	Called just before the screen gets redrawn. Can be used for overlay	631	Called just before the screen gets redrawn. Can be used for overlay or
293	or similar effects by modify terminal contents in refresh_begin, and	632	similar effects by modifying the terminal contents in refresh_begin, and
294	restoring them in refresh_end. The built-in overlay and selection display	633	restoring them in refresh_end. The built-in overlay and selection display
295	code is run after this hook, and takes precedence.	634	code is run after this hook, and takes precedence.
296		635
297	=item on_refresh_end $term	636	=item on_refresh_end $term
298		637
299	Called just after the screen gets redrawn. See C<on_refresh_begin>.	638	Called just after the screen gets redrawn. See C<on_refresh_begin>.
300		639
301	=item on_keyboard_command $term, $string	640	=item on_user_command $term, $string
302		641
303	Called whenever the user presses a key combination that has a	642	Called whenever a user-configured event is being activated (e.g. via
304	C<perl:string> action bound to it (see description of the B<keysym>	643	a C<perl:string> action bound to a key, see description of the B<keysym>
305	resource in the @@RXVT_NAME@@(1) manpage).	644	resource in the @@RXVT_NAME@@(1) manpage).
		645
		646	The event is simply the action string. This interface is assumed to change
		647	slightly in the future.
		648
		649	=item on_resize_all_windows $tern, $new_width, $new_height
		650
		651	Called just after the new window size has been calculated, but before
		652	windows are actually being resized or hints are being set. If this hook
		653	returns TRUE, setting of the window hints is being skipped.
		654
		655	=item on_x_event $term, $event
		656
		657	Called on every X event received on the vt window (and possibly other
		658	windows). Should only be used as a last resort. Most event structure
		659	members are not passed.
		660
		661	=item on_root_event $term, $event
		662
		663	Like C<on_x_event>, but is called for events on the root window.
306		664
307	=item on_focus_in $term	665	=item on_focus_in $term
308		666
309	Called whenever the window gets the keyboard focus, before rxvt-unicode	667	Called whenever the window gets the keyboard focus, before rxvt-unicode
310	does focus in processing.	668	does focus in processing.
311		669
312	=item on_focus_out $term	670	=item on_focus_out $term
313		671
314	Called wheneever the window loses keyboard focus, before rxvt-unicode does	672	Called whenever the window loses keyboard focus, before rxvt-unicode does
315	focus out processing.	673	focus out processing.
		674
		675	=item on_configure_notify $term, $event
		676
		677	=item on_property_notify $term, $event
316		678
317	=item on_key_press $term, $event, $keysym, $octets	679	=item on_key_press $term, $event, $keysym, $octets
318		680
319	=item on_key_release $term, $event, $keysym	681	=item on_key_release $term, $event, $keysym
320		682
…		…
330		692
331	Called whenever the corresponding X event is received for the terminal If	693	Called whenever the corresponding X event is received for the terminal If
332	the hook returns true, then the even will be ignored by rxvt-unicode.	694	the hook returns true, then the even will be ignored by rxvt-unicode.
333		695
334	The event is a hash with most values as named by Xlib (see the XEvent	696	The event is a hash with most values as named by Xlib (see the XEvent
335	manpage), with the additional members C<row> and C<col>, which are the row	697	manpage), with the additional members C<row> and C<col>, which are the
336	and column under the mouse cursor.	698	(real, not screen-based) row and column under the mouse cursor.
337		699
338	C<on_key_press> additionally receives the string rxvt-unicode would	700	C<on_key_press> additionally receives the string rxvt-unicode would
339	output, if any, in locale-specific encoding.	701	output, if any, in locale-specific encoding.
340		702
341	subwindow.	703	subwindow.
342		704
343	=back	705	=item on_client_message $term, $event
344		706
345	=head2 Variables in the C<urxvt> Package	707	=item on_wm_protocols $term, $event
346		708
347	=over 4	709	=item on_wm_delete_window $term, $event
348		710
349	=item $urxvt::TERM	711	Called when various types of ClientMessage events are received (all with
350		712	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
351	The current terminal. This variable stores the current C<urxvt::term>
352	object, whenever a callback/hook is executing.
353
354	=back
355
356	=head2 Functions in the C<urxvt> Package
357
358	=over 4
359
360	=item $term = new urxvt [arg...]
361
362	Creates a new terminal, very similar as if you had started it with
363	C<system $binfile, arg...>. Croaks (and probably outputs an error message)
364	if the new instance couldn't be created. Returns C<undef> if the new
365	instance didn't initialise perl, and the terminal object otherwise. The
366	C<init> and C<start> hooks will be called during the call.
367
368	=item urxvt::fatal $errormessage
369
370	Fatally aborts execution with the given error message. Avoid at all
371	costs! The only time this is acceptable is when the terminal process
372	starts up.
373
374	=item urxvt::warn $string
375
376	Calls C<rxvt_warn> with the given string which should not include a
377	newline. The module also overwrites the C<warn> builtin with a function
378	that calls this function.
379
380	Using this function has the advantage that its output ends up in the
381	correct place, e.g. on stderr of the connecting urxvtc client.
382
383	=item $is_safe = urxvt::safe
384
385	Returns true when it is safe to do potentially unsafe things, such as
386	evaluating perl code specified by the user. This is true when urxvt was
387	started setuid or setgid.
388
389	=item $time = urxvt::NOW
390
391	Returns the "current time" (as per the event loop).
392
393	=item urxvt::CurrentTime
394
395	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
396	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
397	Button4Mask, Button5Mask, AnyModifier
398
399	Various constants for use in X calls and event processing.
400
401	=back
402
403	=head2 RENDITION
404
405	Rendition bitsets contain information about colour, font, font styles and
406	similar information for each screen cell.
407
408	The following "macros" deal with changes in rendition sets. You should
409	never just create a bitset, you should always modify an existing one,
410	as they contain important information required for correct operation of
411	rxvt-unicode.
412
413	=over 4
414
415	=item $rend = urxvt::DEFAULT_RSTYLE
416
417	Returns the default rendition, as used when the terminal is starting up or
418	being reset. Useful as a base to start when creating renditions.
419
420	=item $rend = urxvt::OVERLAY_RSTYLE
421
422	Return the rendition mask used for overlays by default.
423
424	=item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline
425
426	Return the bit that enabled bold, italic, blink, reverse-video and
427	underline, respectively. To enable such a style, just logically OR it into
428	the bitset.
429
430	=item $foreground = urxvt::GET_BASEFG $rend
431
432	=item $background = urxvt::GET_BASEBG $rend
433
434	Return the foreground/background colour index, respectively.
435
436	=item $rend = urxvt::SET_FGCOLOR ($rend, $new_colour)
437
438	=item $rend = urxvt::SET_BGCOLOR ($rend, $new_colour)
439
440	Replace the foreground/background colour in the rendition mask with the
441	specified one.
442
443	=item $value = urxvt::GET_CUSTOM ($rend)
444
445	Return the "custom" value: Every rendition has 5 bits for use by
446	extensions. They can be set and changed as you like and are initially
447	zero.
448
449	=item $rend = urxvt::SET_CUSTOM ($rend, $new_value)
450
451	Change the custom value.
452		713
453	=back	714	=back
454		715
455	=cut	716	=cut
456		717
…		…
462	use Scalar::Util ();	723	use Scalar::Util ();
463	use List::Util ();	724	use List::Util ();
464		725
465	our $VERSION = 1;	726	our $VERSION = 1;
466	our $TERM;	727	our $TERM;
		728	our @TERM_INIT;
		729	our @TERM_EXT;
467	our @HOOKNAME;	730	our @HOOKNAME;
468	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;	731	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
469	our %OPTION;	732	our %OPTION;
470		733
471	our $LIBDIR;	734	our $LIBDIR;
472	our $RESNAME;	735	our $RESNAME;
473	our $RESCLASS;	736	our $RESCLASS;
474	our $RXVTNAME;	737	our $RXVTNAME;
475		738
		739	our $NOCHAR = chr 0xffff;
		740
		741	=head2 Variables in the C<urxvt> Package
		742
		743	=over 4
		744
		745	=item $urxvt::LIBDIR
		746
		747	The rxvt-unicode library directory, where, among other things, the perl
		748	modules and scripts are stored.
		749
		750	=item $urxvt::RESCLASS, $urxvt::RESCLASS
		751
		752	The resource class and name rxvt-unicode uses to look up X resources.
		753
		754	=item $urxvt::RXVTNAME
		755
		756	The basename of the installed binaries, usually C<urxvt>.
		757
		758	=item $urxvt::TERM
		759
		760	The current terminal. This variable stores the current C<urxvt::term>
		761	object, whenever a callback/hook is executing.
		762
		763	=item @urxvt::TERM_INIT
		764
		765	All code references in this array will be called as methods of the next newly
		766	created C<urxvt::term> object (during the C<on_init> phase). The array
		767	gets cleared before the code references that were in it are being executed,
		768	so references can push themselves onto it again if they so desire.
		769
		770	This complements to the perl-eval command line option, but gets executed
		771	first.
		772
		773	=item @urxvt::TERM_EXT
		774
		775	Works similar to C<@TERM_INIT>, but contains perl package/class names, which
		776	get registered as normal extensions after calling the hooks in C<@TERM_INIT>
		777	but before other extensions. Gets cleared just like C<@TERM_INIT>.
		778
		779	=back
		780
		781	=head2 Functions in the C<urxvt> Package
		782
		783	=over 4
		784
		785	=item urxvt::fatal $errormessage
		786
		787	Fatally aborts execution with the given error message. Avoid at all
		788	costs! The only time this is acceptable is when the terminal process
		789	starts up.
		790
		791	=item urxvt::warn $string
		792
		793	Calls C<rxvt_warn> with the given string which should not include a
		794	newline. The module also overwrites the C<warn> builtin with a function
		795	that calls this function.
		796
		797	Using this function has the advantage that its output ends up in the
		798	correct place, e.g. on stderr of the connecting urxvtc client.
		799
		800	Messages have a size limit of 1023 bytes currently.
		801
		802	=item @terms = urxvt::termlist
		803
		804	Returns all urxvt::term objects that exist in this process, regardless of
		805	whether they are started, being destroyed etc., so be careful. Only term
		806	objects that have perl extensions attached will be returned (because there
		807	is no urxvt::term objet associated with others).
		808
		809	=item $time = urxvt::NOW
		810
		811	Returns the "current time" (as per the event loop).
		812
		813	=item urxvt::CurrentTime
		814
		815	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
		816	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
		817	Button4Mask, Button5Mask, AnyModifier
		818
		819	=item urxvt::NoEventMask, KeyPressMask, KeyReleaseMask,
		820	ButtonPressMask, ButtonReleaseMask, EnterWindowMask, LeaveWindowMask,
		821	PointerMotionMask, PointerMotionHintMask, Button1MotionMask, Button2MotionMask,
		822	Button3MotionMask, Button4MotionMask, Button5MotionMask, ButtonMotionMask,
		823	KeymapStateMask, ExposureMask, VisibilityChangeMask, StructureNotifyMask,
		824	ResizeRedirectMask, SubstructureNotifyMask, SubstructureRedirectMask,
		825	FocusChangeMask, PropertyChangeMask, ColormapChangeMask, OwnerGrabButtonMask
		826
		827	=item urxvt::KeyPress, KeyRelease, ButtonPress, ButtonRelease, MotionNotify,
		828	EnterNotify, LeaveNotify, FocusIn, FocusOut, KeymapNotify, Expose,
		829	GraphicsExpose, NoExpose, VisibilityNotify, CreateNotify, DestroyNotify,
		830	UnmapNotify, MapNotify, MapRequest, ReparentNotify, ConfigureNotify,
		831	ConfigureRequest, GravityNotify, ResizeRequest, CirculateNotify,
		832	CirculateRequest, PropertyNotify, SelectionClear, SelectionRequest,
		833	SelectionNotify, ColormapNotify, ClientMessage, MappingNotify
		834
		835	Various constants for use in X calls and event processing.
		836
		837	=back
		838
		839	=head2 RENDITION
		840
		841	Rendition bitsets contain information about colour, font, font styles and
		842	similar information for each screen cell.
		843
		844	The following "macros" deal with changes in rendition sets. You should
		845	never just create a bitset, you should always modify an existing one,
		846	as they contain important information required for correct operation of
		847	rxvt-unicode.
		848
		849	=over 4
		850
		851	=item $rend = urxvt::DEFAULT_RSTYLE
		852
		853	Returns the default rendition, as used when the terminal is starting up or
		854	being reset. Useful as a base to start when creating renditions.
		855
		856	=item $rend = urxvt::OVERLAY_RSTYLE
		857
		858	Return the rendition mask used for overlays by default.
		859
		860	=item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline
		861
		862	Return the bit that enabled bold, italic, blink, reverse-video and
		863	underline, respectively. To enable such a style, just logically OR it into
		864	the bitset.
		865
		866	=item $foreground = urxvt::GET_BASEFG $rend
		867
		868	=item $background = urxvt::GET_BASEBG $rend
		869
		870	Return the foreground/background colour index, respectively.
		871
		872	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour
		873
		874	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour
		875
		876	=item $rend = urxvt::SET_COLOR $rend, $new_fg, $new_bg
		877
		878	Replace the foreground/background colour in the rendition mask with the
		879	specified one.
		880
		881	=item $value = urxvt::GET_CUSTOM $rend
		882
		883	Return the "custom" value: Every rendition has 5 bits for use by
		884	extensions. They can be set and changed as you like and are initially
		885	zero.
		886
		887	=item $rend = urxvt::SET_CUSTOM $rend, $new_value
		888
		889	Change the custom value.
		890
		891	=back
		892
		893	=cut
		894
476	BEGIN {	895	BEGIN {
477	urxvt->bootstrap;
478
479	# overwrite perl's warn	896	# overwrite perl's warn
480	*CORE::GLOBAL::warn = sub {	897	*CORE::GLOBAL::warn = sub {
481	my $msg = join "", @_;	898	my $msg = join "", @_;
482	$msg .= "\n"	899	$msg .= "\n"
483	unless $msg =~ /\n$/;	900	unless $msg =~ /\n$/;
484	urxvt::warn ($msg);	901	urxvt::warn ($msg);
485	};	902	};
486
487	delete $ENV{IFS};
488	delete $ENV{CDPATH};
489	delete $ENV{BASH_ENV};
490	$ENV{PATH} = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin:/opt/sbin";
491	}	903	}
492		904
493	my @hook_count;	905	no warnings 'utf8';
		906
494	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};	907	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
495		908
496	sub verbose {	909	sub verbose {
497	my ($level, $msg) = @_;	910	my ($level, $msg) = @_;
498	warn "$msg\n" if $level <= $verbosity;	911	warn "$msg\n" if $level <= $verbosity;
499	}	912	}
500		913
501	my $extension_pkg = "extension0000";
502	my %extension_pkg;	914	my %extension_pkg;
503		915
504	# load a single script into its own package, once only	916	# load a single script into its own package, once only
505	sub extension_package($) {	917	sub extension_package($) {
506	my ($path) = @_;	918	my ($path) = @_;
507		919
508	$extension_pkg{$path} ||= do {	920	$extension_pkg{$path} ||= do {
509	my $pkg = "urxvt::" . ($extension_pkg++);	921	$path =~ /([^\/\\]+)$/;
		922	my $pkg = $1;
		923	$pkg =~ s/[^[:word:]]/_/g;
		924	$pkg = "urxvt::ext::$pkg";
510		925
511	verbose 3, "loading extension '$path' into package '$pkg'";	926	verbose 3, "loading extension '$path' into package '$pkg'";
512		927
513	open my $fh, "<:raw", $path	928	open my $fh, "<:raw", $path
514	or die "$path: $!";	929	or die "$path: $!";
515		930
516	my $source = untaint	931	my $source =
517	"package $pkg; use strict; use utf8;\n"	932	"package $pkg; use strict; use utf8; no warnings 'utf8';\n"
518	. "use base urxvt::term::extension::;\n"
519	. "#line 1 \"$path\"\n{\n"	933	. "#line 1 \"$path\"\n{\n"
520	. (do { local $/; <$fh> })	934	. (do { local $/; <$fh> })
521	. "\n};\n1";	935	. "\n};\n1";
522		936
523	eval $source	937	eval $source
…		…
534	local $TERM = shift;	948	local $TERM = shift;
535	my $htype = shift;	949	my $htype = shift;
536		950
537	if ($htype == 0) { # INIT	951	if ($htype == 0) { # INIT
538	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");	952	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
539		953
540	my %ext_arg;	954	my %ext_arg;
541		955
		956	{
		957	my @init = @TERM_INIT;
		958	@TERM_INIT = ();
		959	$_->($TERM) for @init;
		960	my @pkg = @TERM_EXT;
		961	@TERM_EXT = ();
		962	$TERM->register_package ($_) for @pkg;
		963	}
		964
542	for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {	965	for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
543	if ($_ eq "default") {	966	if ($_ eq "default") {
544	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback);	967	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline);
545	} elsif (/^-(.*)$/) {	968	} elsif (/^-(.*)$/) {
546	delete $ext_arg{$1};	969	delete $ext_arg{$1};
547	} elsif (/^([^<]+)<(.*)>$/) {	970	} elsif (/^([^<]+)<(.*)>$/) {
548	push @{ $ext_arg{$1} }, $2;	971	push @{ $ext_arg{$1} }, $2;
549	} else {	972	} else {
550	$ext_arg{$_} ||= [];	973	$ext_arg{$_} ||= [];
551	}	974	}
552	}	975	}
553		976
554	while (my ($ext, $argv) = each %ext_arg) {	977	for my $ext (sort keys %ext_arg) {
555	my @files = grep -f $_, map "$_/$ext", @dirs;	978	my @files = grep -f $_, map "$_/$ext", @dirs;
556		979
557	if (@files) {	980	if (@files) {
558	$TERM->register_package (extension_package $files[0], $argv);	981	$TERM->register_package (extension_package $files[0], $ext_arg{$ext});
559	} else {	982	} else {
560	warn "perl extension '$ext' not found in perl library search path\n";	983	warn "perl extension '$ext' not found in perl library search path\n";
561	}	984	}
562	}	985	}
563		986
…		…
569		992
570	if (my $cb = $TERM->{_hook}[$htype]) {	993	if (my $cb = $TERM->{_hook}[$htype]) {
571	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"	994	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
572	if $verbosity >= 10;	995	if $verbosity >= 10;
573		996
574	keys %$cb;	997	for my $pkg (keys %$cb) {
575
576	while (my ($pkg, $cb) = each %$cb) {
577	$retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) }	998	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg}, @_) };
578	and last;	999	$retval ||= $retval_;
579		1000
580	if ($@) {	1001	if ($@) {
581	$TERM->ungrab; # better to lose the grab than the session	1002	$TERM->ungrab; # better to lose the grab than the session
582	warn $@;	1003	warn $@;
583	}	1004	}
584	}	1005	}
		1006
		1007	verbose 11, "$HOOKNAME[$htype] returning <$retval>"
		1008	if $verbosity >= 11;
585	}	1009	}
586		1010
587	if ($htype == 1) { # DESTROY	1011	if ($htype == 1) { # DESTROY
588	if (my $hook = delete $TERM->{_hook}) {
589	for my $htype (0..$#$hook) {
590	$hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
591	or set_should_invoke $htype, 0;
592	}
593	}
594
595	# clear package objects	1012	# clear package objects
596	%$_ = () for values %{ $TERM->{_pkg} };	1013	%$_ = () for values %{ $TERM->{_pkg} };
597		1014
598	# clear package	1015	# clear package
599	%$TERM = ();	1016	%$TERM = ();
600	}	1017	}
601		1018
602	$retval	1019	$retval
		1020	}
		1021
		1022	sub SET_COLOR($$$) {
		1023	SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
		1024	}
		1025
		1026	sub rend2mask {
		1027	no strict 'refs';
		1028	my ($str, $mask) = (@_, 0);
		1029	my %color = ( fg => undef, bg => undef );
		1030	my @failed;
		1031	for my $spec ( split /\s+/, $str ) {
		1032	if ( $spec =~ /^([fb]g)[_:-]?(\d+)/i ) {
		1033	$color{lc($1)} = $2;
		1034	} else {
		1035	my $neg = $spec =~ s/^[-^]//;
		1036	unless ( exists &{"RS_$spec"} ) {
		1037	push @failed, $spec;
		1038	next;
		1039	}
		1040	my $cur = &{"RS_$spec"};
		1041	if ( $neg ) {
		1042	$mask &= ~$cur;
		1043	} else {
		1044	$mask |= $cur;
		1045	}
		1046	}
		1047	}
		1048	($mask, @color{qw(fg bg)}, \@failed)
603	}	1049	}
604		1050
605	# urxvt::term::extension	1051	# urxvt::term::extension
606		1052
607	package urxvt::term::extension;	1053	package urxvt::term::extension;
…		…
613	while (my ($name, $cb) = each %hook) {	1059	while (my ($name, $cb) = each %hook) {
614	my $htype = $HOOKTYPE{uc $name};	1060	my $htype = $HOOKTYPE{uc $name};
615	defined $htype	1061	defined $htype
616	or Carp::croak "unsupported hook type '$name'";	1062	or Carp::croak "unsupported hook type '$name'";
617		1063
		1064	$self->set_should_invoke ($htype, +1)
618	unless (exists $self->{term}{_hook}[$htype]{$pkg}) {	1065	unless exists $self->{term}{_hook}[$htype]{$pkg};
619	$hook_count[$htype]++
620	or urxvt::set_should_invoke $htype, 1;
621	}
622		1066
623	$self->{term}{_hook}[$htype]{$pkg} = $cb;	1067	$self->{term}{_hook}[$htype]{$pkg} = $cb;
624	}	1068	}
625	}	1069	}
626		1070
…		…
631	for my $name (@hook) {	1075	for my $name (@hook) {
632	my $htype = $HOOKTYPE{uc $name};	1076	my $htype = $HOOKTYPE{uc $name};
633	defined $htype	1077	defined $htype
634	or Carp::croak "unsupported hook type '$name'";	1078	or Carp::croak "unsupported hook type '$name'";
635		1079
		1080	$self->set_should_invoke ($htype, -1)
636	if (delete $self->{term}{_hook}[$htype]{$pkg}) {	1081	if delete $self->{term}{_hook}[$htype]{$pkg};
637	--$hook_count[$htype]
638	or urxvt::set_should_invoke $htype, 0;
639	}
640	}	1082	}
641	}	1083	}
642		1084
643	our $AUTOLOAD;	1085	our $AUTOLOAD;
644		1086
…		…
675		1117
676	=head2 The C<urxvt::anyevent> Class	1118	=head2 The C<urxvt::anyevent> Class
677		1119
678	The sole purpose of this class is to deliver an interface to the	1120	The sole purpose of this class is to deliver an interface to the
679	C<AnyEvent> module - any module using it will work inside urxvt without	1121	C<AnyEvent> module - any module using it will work inside urxvt without
680	further work. The only exception is that you cannot wait on condition	1122	further programming. The only exception is that you cannot wait on
681	variables, but non-blocking condvar use is ok. What this means is that you	1123	condition variables, but non-blocking condvar use is ok. What this means
682	cannot use blocking APIs, but the non-blocking variant should work.	1124	is that you cannot use blocking APIs, but the non-blocking variant should
		1125	work.
683		1126
684	=cut	1127	=cut
685		1128
686	our $VERSION = 1;	1129	our $VERSION = '3.4';
687		1130
688	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there	1131	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
689	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];	1132	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
690		1133
691	sub timer {	1134	sub timer {
…		…
722		1165
723	sub DESTROY {	1166	sub DESTROY {
724	$_[0][1]->stop;	1167	$_[0][1]->stop;
725	}	1168	}
726		1169
727	sub condvar {	1170	sub one_event {
728	bless \my $flag, urxvt::anyevent::condvar::
729	}
730
731	sub urxvt::anyevent::condvar::broadcast {
732	${$_[0]}++;
733	}
734
735	sub urxvt::anyevent::condvar::wait {
736	unless (${$_[0]}) {
737	Carp::croak "AnyEvent->condvar blocking wait unsupported in urxvt, use a non-blocking API";	1171	Carp::croak "AnyEvent->one_event blocking wait unsupported in urxvt, use a non-blocking API";
738	}
739	}	1172	}
740		1173
741	package urxvt::term;	1174	package urxvt::term;
742		1175
743	=head2 The C<urxvt::term> Class	1176	=head2 The C<urxvt::term> Class
…		…
748		1181
749	# find on_xxx subs in the package and register them	1182	# find on_xxx subs in the package and register them
750	# as hooks	1183	# as hooks
751	sub register_package {	1184	sub register_package {
752	my ($self, $pkg, $argv) = @_;	1185	my ($self, $pkg, $argv) = @_;
		1186
		1187	no strict 'refs';
		1188
		1189	urxvt::verbose 6, "register package $pkg to $self";
		1190
		1191	@{"$pkg\::ISA"} = urxvt::term::extension::;
753		1192
754	my $proxy = bless {	1193	my $proxy = bless {
755	_pkg => $pkg,	1194	_pkg => $pkg,
756	argv => $argv,	1195	argv => $argv,
757	}, $pkg;	1196	}, $pkg;
…		…
764	$proxy->enable ($name => $ref);	1203	$proxy->enable ($name => $ref);
765	}	1204	}
766	}	1205	}
767	}	1206	}
768		1207
		1208	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
		1209
		1210	Creates a new terminal, very similar as if you had started it with system
		1211	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
		1212	hash which defines the environment of the new terminal.
		1213
		1214	Croaks (and probably outputs an error message) if the new instance
		1215	couldn't be created. Returns C<undef> if the new instance didn't
		1216	initialise perl, and the terminal object otherwise. The C<init> and
		1217	C<start> hooks will be called before this call returns, and are free to
		1218	refer to global data (which is race free).
		1219
		1220	=cut
		1221
		1222	sub new {
		1223	my ($class, $env, @args) = @_;
		1224
		1225	$env or Carp::croak "environment hash missing in call to urxvt::term->new";
		1226	@args or Carp::croak "name argument missing in call to urxvt::term->new";
		1227
		1228	_new ([ map "$_=$env->{$_}", keys %$env ], \@args);
		1229	}
		1230
769	=item $term->destroy	1231	=item $term->destroy
770		1232
771	Destroy the terminal object (close the window, free resources etc.).	1233	Destroy the terminal object (close the window, free resources
		1234	etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event
		1235	watchers (timers, io watchers) are still active.
		1236
		1237	=item $term->exec_async ($cmd[, @args])
		1238
		1239	Works like the combination of the C<fork>/C<exec> builtins, which executes
		1240	("starts") programs in the background. This function takes care of setting
		1241	the user environment before exec'ing the command (e.g. C<PATH>) and should
		1242	be preferred over explicit calls to C<exec> or C<system>.
		1243
		1244	Returns the pid of the subprocess or C<undef> on error.
		1245
		1246	=cut
		1247
		1248	sub exec_async {
		1249	my $self = shift;
		1250
		1251	my $pid = fork;
		1252
		1253	return $pid
		1254	if !defined $pid or $pid;
		1255
		1256	%ENV = %{ $self->env };
		1257
		1258	exec @_;
		1259	urxvt::_exit 255;
		1260	}
772		1261
773	=item $isset = $term->option ($optval[, $set])	1262	=item $isset = $term->option ($optval[, $set])
774		1263
775	Returns true if the option specified by C<$optval> is enabled, and	1264	Returns true if the option specified by C<$optval> is enabled, and
776	optionally change it. All option values are stored by name in the hash	1265	optionally change it. All option values are stored by name in the hash
777	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.	1266	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
778		1267
779	Here is a a likely non-exhaustive list of option names, please see the	1268	Here is a likely non-exhaustive list of option names, please see the
780	source file F</src/optinc.h> to see the actual list:	1269	source file F</src/optinc.h> to see the actual list:
781		1270
782	borderLess console cursorBlink cursorUnderline hold iconic insecure	1271	borderLess console cursorBlink cursorUnderline hold iconic insecure
783	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage	1272	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage
784	pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating	1273	override-redirect pastableTabs pointerBlank reverseVideo scrollBar
785	scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer	1274	scrollBar_floating scrollBar_right scrollTtyKeypress scrollTtyOutput
786	secondaryScreen secondaryScroll skipBuiltinGlyphs transparent	1275	scrollWithBuffer secondaryScreen secondaryScroll skipBuiltinGlyphs
787	tripleclickwords utmpInhibit visualBell	1276	transparent tripleclickwords utmpInhibit visualBell
788		1277
789	=item $value = $term->resource ($name[, $newval])	1278	=item $value = $term->resource ($name[, $newval])
790		1279
791	Returns the current resource value associated with a given name and	1280	Returns the current resource value associated with a given name and
792	optionally sets a new value. Setting values is most useful in the C<init>	1281	optionally sets a new value. Setting values is most useful in the C<init>
…		…
801	likely change).	1290	likely change).
802		1291
803	Please note that resource strings will currently only be freed when the	1292	Please note that resource strings will currently only be freed when the
804	terminal is destroyed, so changing options frequently will eat memory.	1293	terminal is destroyed, so changing options frequently will eat memory.
805		1294
806	Here is a a likely non-exhaustive list of resource names, not all of which	1295	Here is a likely non-exhaustive list of resource names, not all of which
807	are supported in every build, please see the source file F</src/rsinc.h>	1296	are supported in every build, please see the source file F</src/rsinc.h>
808	to see the actual list:	1297	to see the actual list:
809		1298
810	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont	1299	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
811	borderLess color cursorBlink cursorUnderline cutchars delete_key	1300	borderLess chdir color cursorBlink cursorUnderline cutchars delete_key
812	display_name embed ext_bwidth fade font geometry hold iconName	1301	display_name embed ext_bwidth fade font geometry hold iconName
813	imFont imLocale inputMethod insecure int_bwidth intensityStyles	1302	imFont imLocale inputMethod insecure int_bwidth intensityStyles
814	italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier	1303	italicFont jumpScroll lineSpace loginShell mapAlert meta8 modifier
815	mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2	1304	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
816	perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd	1305	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
817	reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating	1306	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
818	scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput	1307	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
819	scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle	1308	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
820	shade term_name title transparent transparent_all tripleclickwords	1309	secondaryScreen secondaryScroll shade term_name title
821	utmpInhibit visualBell	1310	transient_for transparent transparent_all tripleclickwords utmpInhibit
		1311	visualBell
822		1312
823	=cut	1313	=cut
824		1314
825	sub resource($$;$) {	1315	sub resource($$;$) {
826	my ($self, $name) = (shift, shift);	1316	my ($self, $name) = (shift, shift);
827	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);	1317	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
828	&urxvt::term::_resource	1318	goto &urxvt::term::_resource
829	}	1319	}
		1320
		1321	=item $value = $term->x_resource ($pattern)
		1322
		1323	Returns the X-Resource for the given pattern, excluding the program or
		1324	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
		1325	same value as used by this instance of rxvt-unicode. Returns C<undef> if no
		1326	resource with that pattern exists.
		1327
		1328	This method should only be called during the C<on_start> hook, as there is
		1329	only one resource database per display, and later invocations might return
		1330	the wrong resources.
830		1331
831	=item $success = $term->parse_keysym ($keysym_spec, $command_string)	1332	=item $success = $term->parse_keysym ($keysym_spec, $command_string)
832		1333
833	Adds a keymap translation exactly as specified via a resource. See the	1334	Adds a keymap translation exactly as specified via a resource. See the
834	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.	1335	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.
…		…
850	=item ($row, $col) = $term->selection_end ([$row, $col])	1351	=item ($row, $col) = $term->selection_end ([$row, $col])
851		1352
852	Return the current values of the selection mark, begin or end positions,	1353	Return the current values of the selection mark, begin or end positions,
853	and optionally set them to new values.	1354	and optionally set them to new values.
854		1355
		1356	=item $term->selection_make ($eventtime[, $rectangular])
		1357
		1358	Tries to make a selection as set by C<selection_beg> and
		1359	C<selection_end>. If C<$rectangular> is true (default: false), a
		1360	rectangular selection will be made. This is the prefered function to make
		1361	a selection.
		1362
855	=item $success = $term->selection_grab ($eventtime)	1363	=item $success = $term->selection_grab ($eventtime)
856		1364
857	Try to request the primary selection from the server (for example, as set	1365	Try to request the primary selection text from the server (for example, as
858	by the next method).	1366	set by the next method). No visual feedback will be given. This function
		1367	is mostly useful from within C<on_sel_grab> hooks.
859		1368
860	=item $oldtext = $term->selection ([$newtext])	1369	=item $oldtext = $term->selection ([$newtext])
861		1370
862	Return the current selection text and optionally replace it by C<$newtext>.	1371	Return the current selection text and optionally replace it by C<$newtext>.
863		1372
…		…
897		1406
898	The methods currently supported on C<urxvt::overlay> objects are:	1407	The methods currently supported on C<urxvt::overlay> objects are:
899		1408
900	=over 4	1409	=over 4
901		1410
902	=item $overlay->set ($x, $y, $text, $rend)	1411	=item $overlay->set ($x, $y, $text[, $rend])
903		1412
904	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts	1413	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts
905	text in rxvt-unicode's special encoding and an array of rendition values	1414	text in rxvt-unicode's special encoding and an array of rendition values
906	at a specific position inside the overlay.	1415	at a specific position inside the overlay.
		1416
		1417	If C<$rend> is missing, then the rendition will not be changed.
907		1418
908	=item $overlay->hide	1419	=item $overlay->hide
909		1420
910	If visible, hide the overlay, but do not destroy it.	1421	If visible, hide the overlay, but do not destroy it.
911		1422
…		…
956	Convert the given locale-encoded octets into a perl string.	1467	Convert the given locale-encoded octets into a perl string.
957		1468
958	=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])	1469	=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])
959		1470
960	XORs the rendition values in the given span with the provided value	1471	XORs the rendition values in the given span with the provided value
961	(default: C<RS_RVid>). Useful in refresh hooks to provide effects similar	1472	(default: C<RS_RVid>), which I<MUST NOT> contain font styles. Useful in
962	to the selection.	1473	refresh hooks to provide effects similar to the selection.
963		1474
964	=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])	1475	=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])
965		1476
966	Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing	1477	Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing
967	whitespace will additionally be xored with the C<$rstyle2>, which defaults	1478	whitespace will additionally be xored with the C<$rstyle2>, which defaults
968	to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines	1479	to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines
969	it instead.	1480	it instead. Both styles I<MUST NOT> contain font styles.
970		1481
971	=item $term->scr_bell	1482	=item $term->scr_bell
972		1483
973	Ring the bell!	1484	Ring the bell!
974		1485
…		…
981		1492
982	Normally its not a good idea to use this function, as programs might be	1493	Normally its not a good idea to use this function, as programs might be
983	confused by changes in cursor position or scrolling. Its useful inside a	1494	confused by changes in cursor position or scrolling. Its useful inside a
984	C<on_add_lines> hook, though.	1495	C<on_add_lines> hook, though.
985		1496
		1497	=item $term->scr_change_screen ($screen)
		1498
		1499	Switch to given screen - 0 primary, 1 secondary.
		1500
986	=item $term->cmd_parse ($octets)	1501	=item $term->cmd_parse ($octets)
987		1502
988	Similar to C<scr_add_lines>, but the argument must be in the	1503	Similar to C<scr_add_lines>, but the argument must be in the
989	locale-specific encoding of the terminal and can contain command sequences	1504	locale-specific encoding of the terminal and can contain command sequences
990	(escape codes) that will be interpreted.	1505	(escape codes) that will be interpreted.
…		…
1000	Replaces the event mask of the pty watcher by the given event mask. Can	1515	Replaces the event mask of the pty watcher by the given event mask. Can
1001	be used to suppress input and output handling to the pty/tty. See the	1516	be used to suppress input and output handling to the pty/tty. See the
1002	description of C<< urxvt::timer->events >>. Make sure to always restore	1517	description of C<< urxvt::timer->events >>. Make sure to always restore
1003	the previous value.	1518	the previous value.
1004		1519
		1520	=item $fd = $term->pty_fd
		1521
		1522	Returns the master file descriptor for the pty in use, or C<-1> if no pty
		1523	is used.
		1524
1005	=item $windowid = $term->parent	1525	=item $windowid = $term->parent
1006		1526
1007	Return the window id of the toplevel window.	1527	Return the window id of the toplevel window.
1008		1528
1009	=item $windowid = $term->vt	1529	=item $windowid = $term->vt
1010		1530
1011	Return the window id of the terminal window.	1531	Return the window id of the terminal window.
1012		1532
		1533	=item $term->vt_emask_add ($x_event_mask)
		1534
		1535	Adds the specified events to the vt event mask. Useful e.g. when you want
		1536	to receive pointer events all the times:
		1537
		1538	$term->vt_emask_add (urxvt::PointerMotionMask);
		1539
		1540	=item $term->focus_in
		1541
		1542	=item $term->focus_out
		1543
		1544	=item $term->key_press ($state, $keycode[, $time])
		1545
		1546	=item $term->key_release ($state, $keycode[, $time])
		1547
		1548	Deliver various fake events to to terminal.
		1549
1013	=item $window_width = $term->width	1550	=item $window_width = $term->width
1014		1551
1015	=item $window_height = $term->height	1552	=item $window_height = $term->height
1016		1553
1017	=item $font_width = $term->fwidth	1554	=item $font_width = $term->fwidth
…		…
1030		1567
1031	=item $max_scrollback = $term->saveLines	1568	=item $max_scrollback = $term->saveLines
1032		1569
1033	=item $nrow_plus_saveLines = $term->total_rows	1570	=item $nrow_plus_saveLines = $term->total_rows
1034		1571
1035	=item $lines_in_scrollback = $term->nsaved	1572	=item $topmost_scrollback_row = $term->top_row
1036		1573
1037	Return various integers describing terminal characteristics.	1574	Return various integers describing terminal characteristics.
1038		1575
		1576	=item $x_display = $term->display_id
		1577
		1578	Return the DISPLAY used by rxvt-unicode.
		1579
1039	=item $lc_ctype = $term->locale	1580	=item $lc_ctype = $term->locale
1040		1581
1041	Returns the LC_CTYPE category string used by this rxvt-unicode.	1582	Returns the LC_CTYPE category string used by this rxvt-unicode.
1042		1583
1043	=item $x_display = $term->display_id	1584	=item $env = $term->env
1044		1585
1045	Return the DISPLAY used by rxvt-unicode.	1586	Returns a copy of the environment in effect for the terminal as a hashref
		1587	similar to C<\%ENV>.
		1588
		1589	=item @envv = $term->envv
		1590
		1591	Returns the environment as array of strings of the form C<VAR=VALUE>.
		1592
		1593	=item @argv = $term->argv
		1594
		1595	Return the argument vector as this terminal, similar to @ARGV, but
		1596	includes the program name as first element.
		1597
		1598	=cut
		1599
		1600	sub env {
		1601	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), $_[0]->envv }
		1602	}
1046		1603
1047	=item $modifiermask = $term->ModLevel3Mask	1604	=item $modifiermask = $term->ModLevel3Mask
1048		1605
1049	=item $modifiermask = $term->ModMetaMask	1606	=item $modifiermask = $term->ModMetaMask
1050		1607
1051	=item $modifiermask = $term->ModNumLockMask	1608	=item $modifiermask = $term->ModNumLockMask
1052		1609
1053	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often	1610	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
1054	AltGr), the meta key (often Alt) and the num lock key, if applicable.	1611	AltGr), the meta key (often Alt) and the num lock key, if applicable.
1055		1612
		1613	=item $screen = $term->current_screen
		1614
		1615	Returns the currently displayed screen (0 primary, 1 secondary).
		1616
		1617	=item $cursor_is_hidden = $term->hidden_cursor
		1618
		1619	Returns whether the cursor is currently hidden or not.
		1620
1056	=item $view_start = $term->view_start ([$newvalue])	1621	=item $view_start = $term->view_start ([$newvalue])
1057		1622
1058	Returns the negative row number of the topmost line. Minimum value is	1623	Returns the row number of the topmost displayed line. Maximum value is
1059	C<0>, which displays the normal terminal contents. Larger values scroll	1624	C<0>, which displays the normal terminal contents. Lower values scroll
1060	this many lines into the scrollback buffer.	1625	this many lines into the scrollback buffer.
1061		1626
1062	=item $term->want_refresh	1627	=item $term->want_refresh
1063		1628
1064	Requests a screen refresh. At the next opportunity, rxvt-unicode will	1629	Requests a screen refresh. At the next opportunity, rxvt-unicode will
…		…
1067		1632
1068	Used after changing terminal contents to display them.	1633	Used after changing terminal contents to display them.
1069		1634
1070	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])	1635	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
1071		1636
1072	Returns the text of the entire row with number C<$row_number>. Row C<0>	1637	Returns the text of the entire row with number C<$row_number>. Row C<< $term->top_row >>
1073	is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost	1638	is the topmost terminal line, row C<< $term->nrow-1 >> is the bottommost
1074	terminal line. The scrollback buffer starts at line C<-1> and extends to
1075	line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line	1639	terminal line. Nothing will be returned if a nonexistent line
1076	is requested.	1640	is requested.
1077		1641
1078	If C<$new_text> is specified, it will replace characters in the current	1642	If C<$new_text> is specified, it will replace characters in the current
1079	line, starting at column C<$start_col> (default C<0>), which is useful	1643	line, starting at column C<$start_col> (default C<0>), which is useful
1080	to replace only parts of a line. The font index in the rendition will	1644	to replace only parts of a line. The font index in the rendition will
1081	automatically be updated.	1645	automatically be updated.
1082		1646
1083	C<$text> is in a special encoding: tabs and wide characters that use more	1647	C<$text> is in a special encoding: tabs and wide characters that use more
1084	than one cell when displayed are padded with urxvt::NOCHAR characters	1648	than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
1085	(C<chr 65535>). Characters with combining characters and other characters	1649	characters. Characters with combining characters and other characters that
1086	that do not fit into the normal tetx encoding will be replaced with	1650	do not fit into the normal text encoding will be replaced with characters
1087	characters in the private use area.	1651	in the private use area.
1088		1652
1089	You have to obey this encoding when changing text. The advantage is	1653	You have to obey this encoding when changing text. The advantage is
1090	that C<substr> and similar functions work on screen cells and not on	1654	that C<substr> and similar functions work on screen cells and not on
1091	characters.	1655	characters.
1092		1656
…		…
1143	Return the row number of the first/last row of the line, respectively.	1707	Return the row number of the first/last row of the line, respectively.
1144		1708
1145	=item $offset = $line->offset_of ($row, $col)	1709	=item $offset = $line->offset_of ($row, $col)
1146		1710
1147	Returns the character offset of the given row|col pair within the logical	1711	Returns the character offset of the given row|col pair within the logical
1148	line.	1712	line. Works for rows outside the line, too, and returns corresponding
		1713	offsets outside the string.
1149		1714
1150	=item ($row, $col) = $line->coord_of ($offset)	1715	=item ($row, $col) = $line->coord_of ($offset)
1151		1716
1152	Translates a string offset into terminal coordinates again.	1717	Translates a string offset into terminal coordinates again.
1153		1718
…		…
1235	where one character corresponds to one screen cell. See	1800	where one character corresponds to one screen cell. See
1236	C<< $term->ROW_t >> for details.	1801	C<< $term->ROW_t >> for details.
1237		1802
1238	=item $string = $term->special_decode $text	1803	=item $string = $term->special_decode $text
1239		1804
1240	Converts rxvt-unicodes text reprsentation into a perl string. See	1805	Converts rxvt-unicodes text representation into a perl string. See
1241	C<< $term->ROW_t >> for details.	1806	C<< $term->ROW_t >> for details.
1242		1807
1243	=item $success = $term->grab_button ($button, $modifiermask)	1808	=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
1244		1809
		1810	=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
		1811
1245	Registers a synchronous button grab. See the XGrabButton manpage.	1812	Register/unregister a synchronous button grab. See the XGrabButton
		1813	manpage.
1246		1814
1247	=item $success = $term->grab ($eventtime[, $sync])	1815	=item $success = $term->grab ($eventtime[, $sync])
1248		1816
1249	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or	1817	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1250	synchronous (C<$sync> is true). Also remembers the grab timestampe.	1818	synchronous (C<$sync> is true). Also remembers the grab timestamp.
1251		1819
1252	=item $term->allow_events_async	1820	=item $term->allow_events_async
1253		1821
1254	Calls XAllowEvents with AsyncBoth for the most recent grab.	1822	Calls XAllowEvents with AsyncBoth for the most recent grab.
1255		1823
…		…
1266		1834
1267	Calls XUngrab for the most recent grab. Is called automatically on	1835	Calls XUngrab for the most recent grab. Is called automatically on
1268	evaluation errors, as it is better to lose the grab in the error case as	1836	evaluation errors, as it is better to lose the grab in the error case as
1269	the session.	1837	the session.
1270		1838
		1839	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
		1840
		1841	=item $atom_name = $term->XGetAtomName ($atom)
		1842
		1843	=item @atoms = $term->XListProperties ($window)
		1844
		1845	=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
		1846
		1847	=item $term->XChangeProperty ($window, $property, $type, $format, $octets)
		1848
		1849	=item $term->XDeleteProperty ($window, $property)
		1850
		1851	=item $window = $term->DefaultRootWindow
		1852
		1853	=item $term->XReparentWindow ($window, $parent, [$x, $y])
		1854
		1855	=item $term->XMapWindow ($window)
		1856
		1857	=item $term->XUnmapWindow ($window)
		1858
		1859	=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
		1860
		1861	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
		1862
		1863	=item $term->XChangeInput ($window, $add_events[, $del_events])
		1864
		1865	Various X or X-related functions. The C<$term> object only serves as
		1866	the source of the display, otherwise those functions map more-or-less
		1867	directory onto the X functions of the same name.
		1868
1271	=back	1869	=back
1272		1870
1273	=cut	1871	=cut
1274		1872
1275	package urxvt::popup;	1873	package urxvt::popup;
…		…
1289		1887
1290	$item->{render} ||= sub { $_[0]{text} };	1888	$item->{render} ||= sub { $_[0]{text} };
1291		1889
1292	push @{ $self->{item} }, $item;	1890	push @{ $self->{item} }, $item;
1293	}	1891	}
		1892
		1893	=item $popup->add_title ($title)
		1894
		1895	Adds a non-clickable title to the popup.
		1896
		1897	=cut
		1898
		1899	sub add_title {
		1900	my ($self, $title) = @_;
		1901
		1902	$self->add_item ({
		1903	rend => { normal => "\x1b[38;5;11;44m", hover => "\x1b[38;5;11;44m", active => "\x1b[38;5;11;44m" },
		1904	text => $title,
		1905	activate => sub { },
		1906	});
		1907	}
		1908
		1909	=item $popup->add_separator ([$sepchr])
		1910
		1911	Creates a separator, optionally using the character given as C<$sepchr>.
		1912
		1913	=cut
1294		1914
1295	sub add_separator {	1915	sub add_separator {
1296	my ($self, $sep) = @_;	1916	my ($self, $sep) = @_;
1297		1917
1298	$sep ||= "=";	1918	$sep ||= "=";
…		…
1303	render => sub { $sep x $self->{term}->ncol },	1923	render => sub { $sep x $self->{term}->ncol },
1304	activate => sub { },	1924	activate => sub { },
1305	});	1925	});
1306	}	1926	}
1307		1927
1308	sub add_title {	1928	=item $popup->add_button ($text, $cb)
1309	my ($self, $title) = @_;
1310		1929
1311	$self->add_item ({	1930	Adds a clickable button to the popup. C<$cb> is called whenever it is
1312	rend => { normal => "\x1b[38;5;11;44m", hover => "\x1b[38;5;11;44m", active => "\x1b[38;5;11;44m" },	1931	selected.
1313	text => $title,	1932
1314	activate => sub { },	1933	=cut
1315	});
1316	}
1317		1934
1318	sub add_button {	1935	sub add_button {
1319	my ($self, $text, $cb) = @_;	1936	my ($self, $text, $cb) = @_;
1320		1937
1321	$self->add_item ({ type => "button", text => $text, activate => $cb});	1938	$self->add_item ({ type => "button", text => $text, activate => $cb});
1322	}	1939	}
1323		1940
		1941	=item $popup->add_toggle ($text, $initial_value, $cb)
		1942
		1943	Adds a toggle/checkbox item to the popup. The callback gets called
		1944	whenever it gets toggled, with a boolean indicating its new value as its
		1945	first argument.
		1946
		1947	=cut
		1948
1324	sub add_toggle {	1949	sub add_toggle {
1325	my ($self, $text, $cb, $value) = @_;	1950	my ($self, $text, $value, $cb) = @_;
1326		1951
1327	my $item; $item = {	1952	my $item; $item = {
1328	type => "button",	1953	type => "button",
1329	text => " $text",	1954	text => " $text",
1330	value => $value,	1955	value => $value,
1331	render => sub { ($_[0]{value} ? "* " : " ") . $text },	1956	render => sub { ($_[0]{value} ? "* " : " ") . $text },
1332	activate => sub { $cb->($_[0]{value} = !$_[0]{value}); },	1957	activate => sub { $cb->($_[1]{value} = !$_[1]{value}); },
1333	};	1958	};
1334		1959
1335	$self->add_item ($item);	1960	$self->add_item ($item);
1336	}	1961	}
		1962
		1963	=item $popup->show
		1964
		1965	Displays the popup (which is initially hidden).
		1966
		1967	=cut
1337		1968
1338	sub show {	1969	sub show {
1339	my ($self) = @_;	1970	my ($self) = @_;
1340		1971
1341	local $urxvt::popup::self = $self;	1972	local $urxvt::popup::self = $self;
1342		1973
		1974	my $env = $self->{term}->env;
		1975	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
		1976	delete $env->{LC_ALL};
1343	local $ENV{LC_ALL} = $self->{term}->locale;	1977	$env->{LC_CTYPE} = $self->{term}->locale;
1344		1978
1345	urxvt->new ("--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0,	1979	my $term = urxvt::term->new (
		1980	$env, "popup",
		1981	"--perl-lib" => "", "--perl-ext-common" => "",
		1982	"-pty-fd" => -1, "-sl" => 0,
		1983	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1346	"--transient-for" => $self->{term}->parent,	1984	"--transient-for" => $self->{term}->parent,
1347	"-display" => $self->{term}->display_id,	1985	"-display" => $self->{term}->display_id,
1348	"-pe" => "urxvt-popup")	1986	"-pe" => "urxvt-popup",
1349	or die "unable to create popup window\n";	1987	) or die "unable to create popup window\n";
		1988
		1989	unless (delete $term->{urxvt_popup_init_done}) {
		1990	$term->ungrab;
		1991	$term->destroy;
		1992	die "unable to initialise popup window\n";
		1993	}
1350	}	1994	}
1351		1995
1352	sub DESTROY {	1996	sub DESTROY {
1353	my ($self) = @_;	1997	my ($self) = @_;
1354		1998
1355	delete $self->{term}{_destroy}{$self};	1999	delete $self->{term}{_destroy}{$self};
1356	$self->{term}->ungrab;	2000	$self->{term}->ungrab;
1357	}	2001	}
		2002
		2003	=back
		2004
		2005	=cut
		2006
		2007	package urxvt::watcher;
1358		2008
1359	=head2 The C<urxvt::timer> Class	2009	=head2 The C<urxvt::timer> Class
1360		2010
1361	This class implements timer watchers/events. Time is represented as a	2011	This class implements timer watchers/events. Time is represented as a
1362	fractional number of seconds since the epoch. Example:	2012	fractional number of seconds since the epoch. Example:
…		…
1366	->new	2016	->new
1367	->interval (1)	2017	->interval (1)
1368	->cb (sub {	2018	->cb (sub {
1369	$term->{overlay}->set (0, 0,	2019	$term->{overlay}->set (0, 0,
1370	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);	2020	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
1371	});	2021	});
1372		2022
1373	=over 4	2023	=over 4
1374		2024
1375	=item $timer = new urxvt::timer	2025	=item $timer = new urxvt::timer
1376		2026
…		…
1400	Start the timer.	2050	Start the timer.
1401		2051
1402	=item $timer = $timer->start ($tstamp)	2052	=item $timer = $timer->start ($tstamp)
1403		2053
1404	Set the event trigger time to C<$tstamp> and start the timer.	2054	Set the event trigger time to C<$tstamp> and start the timer.
		2055
		2056	=item $timer = $timer->after ($delay)
		2057
		2058	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1405		2059
1406	=item $timer = $timer->stop	2060	=item $timer = $timer->stop
1407		2061
1408	Stop the timer.	2062	Stop the timer.
1409		2063
…		…
1415		2069
1416	$term->{socket} = ...	2070	$term->{socket} = ...
1417	$term->{iow} = urxvt::iow	2071	$term->{iow} = urxvt::iow
1418	->new	2072	->new
1419	->fd (fileno $term->{socket})	2073	->fd (fileno $term->{socket})
1420	->events (urxvt::EVENT_READ)	2074	->events (urxvt::EV_READ)
1421	->start	2075	->start
1422	->cb (sub {	2076	->cb (sub {
1423	my ($iow, $revents) = @_;	2077	my ($iow, $revents) = @_;
1424	# $revents must be 1 here, no need to check	2078	# $revents must be 1 here, no need to check
1425	sysread $term->{socket}, my $buf, 8192	2079	sysread $term->{socket}, my $buf, 8192
…		…
1438	Set the callback to be called when io events are triggered. C<$reventmask>	2092	Set the callback to be called when io events are triggered. C<$reventmask>
1439	is a bitset as described in the C<events> method.	2093	is a bitset as described in the C<events> method.
1440		2094
1441	=item $iow = $iow->fd ($fd)	2095	=item $iow = $iow->fd ($fd)
1442		2096
1443	Set the filedescriptor (not handle) to watch.	2097	Set the file descriptor (not handle) to watch.
1444		2098
1445	=item $iow = $iow->events ($eventmask)	2099	=item $iow = $iow->events ($eventmask)
1446		2100
1447	Set the event mask to watch. The only allowed values are	2101	Set the event mask to watch. The only allowed values are
1448	C<urxvt::EVENT_READ> and C<urxvt::EVENT_WRITE>, which might be ORed	2102	C<urxvt::EV_READ> and C<urxvt::EV_WRITE>, which might be ORed
1449	together, or C<urxvt::EVENT_NONE>.	2103	together, or C<urxvt::EV_NONE>.
1450		2104
1451	=item $iow = $iow->start	2105	=item $iow = $iow->start
1452		2106
1453	Start watching for requested events on the given handle.	2107	Start watching for requested events on the given handle.
1454		2108
1455	=item $iow = $iow->stop	2109	=item $iow = $iow->stop
1456		2110
1457	Stop watching for events on the given filehandle.	2111	Stop watching for events on the given file handle.
		2112
		2113	=back
		2114
		2115	=head2 The C<urxvt::iw> Class
		2116
		2117	This class implements idle watchers, that get called automatically when
		2118	the process is idle. They should return as fast as possible, after doing
		2119	some useful work.
		2120
		2121	=over 4
		2122
		2123	=item $iw = new urxvt::iw
		2124
		2125	Create a new idle watcher object in stopped state.
		2126
		2127	=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
		2128
		2129	Set the callback to be called when the watcher triggers.
		2130
		2131	=item $timer = $timer->start
		2132
		2133	Start the watcher.
		2134
		2135	=item $timer = $timer->stop
		2136
		2137	Stop the watcher.
		2138
		2139	=back
		2140
		2141	=head2 The C<urxvt::pw> Class
		2142
		2143	This class implements process watchers. They create an event whenever a
		2144	process exits, after which they stop automatically.
		2145
		2146	my $pid = fork;
		2147	...
		2148	$term->{pw} = urxvt::pw
		2149	->new
		2150	->start ($pid)
		2151	->cb (sub {
		2152	my ($pw, $exit_status) = @_;
		2153	...
		2154	});
		2155
		2156	=over 4
		2157
		2158	=item $pw = new urxvt::pw
		2159
		2160	Create a new process watcher in stopped state.
		2161
		2162	=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
		2163
		2164	Set the callback to be called when the timer triggers.
		2165
		2166	=item $pw = $timer->start ($pid)
		2167
		2168	Tells the watcher to start watching for process C<$pid>.
		2169
		2170	=item $pw = $pw->stop
		2171
		2172	Stop the watcher.
1458		2173
1459	=back	2174	=back
1460		2175
1461	=head1 ENVIRONMENT	2176	=head1 ENVIRONMENT
1462		2177
…		…
1469		2184
1470	=item == 0 - fatal messages	2185	=item == 0 - fatal messages
1471		2186
1472	=item >= 3 - script loading and management	2187	=item >= 3 - script loading and management
1473		2188
1474	=item >=10 - all events received	2189	=item >=10 - all called hooks
		2190
		2191	=item >=11 - hook return values
1475		2192
1476	=back	2193	=back
1477		2194
1478	=head1 AUTHOR	2195	=head1 AUTHOR
1479		2196
…		…
1481	http://software.schmorp.de/pkg/rxvt-unicode	2198	http://software.schmorp.de/pkg/rxvt-unicode
1482		2199
1483	=cut	2200	=cut
1484		2201
1485	1	2202	1
		2203
		2204	# vim: sw=3:

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