[ViewVC] Diff of: cvs/rxvt-unicode/src/urxvt.pm

Comparing rxvt-unicode/src/urxvt.pm (file contents):
Revision 1.9 by root, Mon Jan 2 20:40:20 2006 UTC vs.
Revision 1.40 by root, Fri Jan 6 05:37:59 2006 UTC

…		…
		1	=encoding utf8
		2
1	=head1 NAME	3	=head1 NAME
2		4
3	rxvtperl - rxvt-unicode's embedded perl interpreter	5	@@RXVT_NAME@@perl - rxvt-unicode's embedded perl interpreter
4		6
5	=head1 SYNOPSIS	7	=head1 SYNOPSIS
6		8
7	* Put your scripts into F<@@RXVT_LIBDIR@@/urxvt/perl/>, they will be loaded automatically.	9	# create a file grab_test in $HOME:
8
9	* Scripts are evaluated in a 'use strict' and 'use utf8' environment, and
10	thus must be encoded as UTF-8.
11		10
12	sub on_sel_grab {	11	sub on_sel_grab {
13	warn "you selected ", $_[0]->selection;	12	warn "you selected ", $_[0]->selection;
14	()	13	()
15	}	14	}
16		15
17	1	16	# start a @@RXVT_NAME@@ using it:
		17
		18	@@RXVT_NAME@@ --perl-lib $HOME -pe grab_test
18		19
19	=head1 DESCRIPTION	20	=head1 DESCRIPTION
20		21
21	Everytime a terminal object gets created, scripts specified via the	22	Everytime a terminal object gets created, scripts specified via the
22	C<perl> resource are associated with it.	23	C<perl> resource are loaded and associated with it.
		24
		25	Scripts are compiled in a 'use strict' and 'use utf8' environment, and
		26	thus must be encoded as UTF-8.
23		27
24	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
25	scripts will be shared (But not enabled) for all terminals.	29	scripts will be shared (but not enabled) for all terminals.
		30
		31	=head2 Prepackaged Extensions
		32
		33	This section describes the extensiosn delivered with this version. You can
		34	find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>.
		35
		36	You can activate them like this:
		37
		38	@@RXVT_NAME@@ -pe <extensionname>
		39
		40	=over 4
		41
		42	=item selection
		43
		44	Intelligent selection. This extension tries to be more intelligent when
		45	the user extends selections (double-click). Right now, it tries to select
		46	urls and complete shell-quoted arguments, which is very convenient, too,
		47	if your F<ls> supports C<--quoting-style=shell>.
		48
		49	It also offers the following bindable event:
		50
		51	=over 4
		52
		53	=item rot13
		54
		55	Rot-13 the selection when activated. Used via keyboard trigger:
		56
		57	URxvt.keysym.C-M-r: perl:selection:rot13
		58
		59	=back
		60
		61	=item digital-clock
		62
		63	Displays a digital clock using the built-in overlay.
		64
		65	=item mark-urls
		66
		67	Uses per-line filtering (C<on_line_update>) to underline urls.
		68
		69	=item example-refresh-hooks
		70
		71	Displays a very simple digital clock in the upper right corner of the
		72	window. Illustrates overwriting the refresh callbacks to create your own
		73	overlays or changes.
		74
		75	=item example-filter-input
		76
		77	A not very useful example of filtering all text output to the terminal, by
		78	underlining all urls that matches a certain regex (i.e. some urls :). It
		79	is not very useful because urls that are output in multiple steps (e.g.
		80	when typing them) do not get marked.
		81
		82	=back
26		83
27	=head2 General API Considerations	84	=head2 General API Considerations
28		85
29	All objects (such as terminals, time watchers etc.) are typical	86	All objects (such as terminals, time watchers etc.) are typical
30	reference-to-hash objects. The hash can be used to store anything you	87	reference-to-hash objects. The hash can be used to store anything you
31	like. All members starting with an underscore (such as C<_ptr> or	88	like. All members starting with an underscore (such as C<_ptr> or
32	C<_hook>) are reserved for internal uses and must not be accessed or	89	C<_hook>) are reserved for internal uses and B<MUST NOT> be accessed or
33	modified).	90	modified).
34		91
35	When objects are destroyed on the C++ side, the perl object hashes are	92	When objects are destroyed on the C++ side, the perl object hashes are
36	emptied, so its best to store related objects such as time watchers and	93	emptied, so its best to store related objects such as time watchers and
37	the like inside the terminal object so they get destroyed as soon as the	94	the like inside the terminal object so they get destroyed as soon as the
38	terminal is destroyed.	95	terminal is destroyed.
39		96
		97	Argument names also often indicate the type of a parameter. Here are some
		98	hints on what they mean:
		99
		100	=over 4
		101
		102	=item $text
		103
		104	Rxvt-unicodes special way of encoding text, where one "unicode" character
		105	always represents one screen cell. See L<row_t> for a discussion of this format.
		106
		107	=item $string
		108
		109	A perl text string, with an emphasis on I<text>. It can store all unicode
		110	characters and is to be distinguished with text encoded in a specific
		111	encoding (often locale-specific) and binary data.
		112
		113	=item $octets
		114
		115	Either binary data or - more common - a text string encoded in a
		116	locale-specific way.
		117
		118	=back
		119
40	=head2 Hooks	120	=head2 Hooks
41		121
42	The following subroutines can be declared in loaded scripts, and will be called	122	The following subroutines can be declared in loaded scripts, and will be
43	whenever the relevant event happens.	123	called whenever the relevant event happens.
		124
		125	The first argument passed to them is an object private to each terminal
		126	and extension package. You can call all C<urxvt::term> methods on it, but
		127	its not a real C<urxvt::term> object. Instead, the real C<urxvt::term>
		128	object that is shared between all packages is stored in the C<term>
		129	member.
44		130
45	All of them must return a boolean value. If it is true, then the event	131	All of them must return a boolean value. If it is true, then the event
46	counts as being I<consumed>, and the invocation of other hooks is skipped,	132	counts as being I<consumed>, and the invocation of other hooks is skipped,
47	and the relevant action might not be carried out by the C++ code.	133	and the relevant action might not be carried out by the C++ code.
48		134
51	=over 4	137	=over 4
52		138
53	=item on_init $term	139	=item on_init $term
54		140
55	Called after a new terminal object has been initialized, but before	141	Called after a new terminal object has been initialized, but before
56	windows are created or the command gets run.	142	windows are created or the command gets run. Most methods are unsafe to
		143	call or deliver senseless data, as terminal size and other characteristics
		144	have not yet been determined. You can safely query and change resources,
		145	though.
57		146
58	=item on_reset $term	147	=item on_reset $term
59		148
60	Called after the screen is "reset" for any reason, such as resizing or	149	Called after the screen is "reset" for any reason, such as resizing or
61	control sequences. Here is where you can react on changes to size-related	150	control sequences. Here is where you can react on changes to size-related
…		…
81	requested from the server. The selection text can be queried and changed	170	requested from the server. The selection text can be queried and changed
82	by calling C<< $term->selection >>.	171	by calling C<< $term->selection >>.
83		172
84	Returning a true value aborts selection grabbing. It will still be hilighted.	173	Returning a true value aborts selection grabbing. It will still be hilighted.
85		174
		175	=item on_sel_extend $term
		176
		177	Called whenever the user tries to extend the selection (e.g. with a double
		178	click) and is either supposed to return false (normal operation), or
		179	should extend the selection itelf and return true to suppress the built-in
		180	processing.
		181
		182	See the F<selection> example extension.
		183
86	=item on_focus_in $term	184	=item on_focus_in $term
87		185
88	Called whenever the window gets the keyboard focus, before urxvt does	186	Called whenever the window gets the keyboard focus, before urxvt does
89	focus in processing.	187	focus in processing.
90		188
…		…
110	number of lines that will be in the scrollback buffer.	208	number of lines that will be in the scrollback buffer.
111		209
112	=item on_tty_activity $term NYI	210	=item on_tty_activity $term NYI
113		211
114	Called whenever the program(s) running in the urxvt window send output.	212	Called whenever the program(s) running in the urxvt window send output.
		213
		214	=item on_osc_seq $term, $string
		215
		216	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
		217	operating system command) is processed. Cursor position and other state
		218	information is up-to-date when this happens. For interoperability, the
		219	string should start with the extension name and a colon, to distinguish
		220	it from commands for other extensions, and this might be enforced in the
		221	future.
		222
		223	Be careful not ever to trust (in a security sense) the data you receive,
		224	as its source can not easily be controleld (e-mail content, messages from
		225	other users on the same system etc.).
		226
		227	=item on_add_lines $term, $string
		228
		229	Called whenever text is about to be output, with the text as argument. You
		230	can filter/change and output the text yourself by returning a true value
		231	and calling C<< $term->scr_add_lines >> yourself. Please note that this
		232	might be very slow, however, as your hook is called for B<all> text being
		233	output.
		234
		235	=item on_line_update $term, $row
		236
		237	Called whenever a line was updated or changed. Can be used to filter
		238	screen output (e.g. underline urls or other useless stuff). Only lines
		239	that are being shown will be filtered, and, due to performance reasons,
		240	not always immediately.
		241
		242	The row number is always the topmost row of the line if the line spans
		243	multiple rows.
		244
		245	Please note that, if you change the line, then the hook might get called
		246	later with the already-modified line (e.g. if unrelated parts change), so
		247	you cannot just toggle rendition bits, but only set them.
115		248
116	=item on_refresh_begin $term	249	=item on_refresh_begin $term
117		250
118	Called just before the screen gets redrawn. Can be used for overlay	251	Called just before the screen gets redrawn. Can be used for overlay
119	or similar effects by modify terminal contents in refresh_begin, and	252	or similar effects by modify terminal contents in refresh_begin, and
…		…
122		255
123	=item on_refresh_end $term	256	=item on_refresh_end $term
124		257
125	Called just after the screen gets redrawn. See C<on_refresh_begin>.	258	Called just after the screen gets redrawn. See C<on_refresh_begin>.
126		259
		260	=item on_keyboard_command $term, $string
		261
		262	Called whenever the user presses a key combination that has a
		263	C<perl:string> action bound to it (see description of the B<keysym>
		264	resource in the @@RXVT_NAME@@(1) manpage).
		265
		266	=item on_key_press $term, $event, $octets
		267
		268	=item on_key_release $term, $event
		269
		270	=item on_button_press $term, $event
		271
		272	=item on_button_release $term, $event
		273
		274	=item on_motion_notify $term, $event
		275
		276	Called whenever the corresponding X event is received for the terminal If
		277	the hook returns true, then the even will be ignored by rxvt-unicode.
		278
		279	The event is a hash with most values as named by Xlib (see the XEvent
		280	manpage), with the additional members C<row> and C<col>, which are the row
		281	and column under the mouse cursor.
		282
		283	C<on_key_press> additionally receives the string rxvt-unicode would
		284	output, if any, in locale-specific encoding.
		285
		286	subwindow.
		287
		288	=back
		289
		290	=head2 Variables in the C<urxvt> Package
		291
		292	=over 4
		293
		294	=item $urxvt::TERM
		295
		296	The current terminal. Whenever a callback/Hook is bein executed, this
		297	variable stores the current C<urxvt::term> object.
		298
127	=back	299	=back
128		300
129	=head2 Functions in the C<urxvt> Package	301	=head2 Functions in the C<urxvt> Package
130		302
131	=over 4	303	=over 4
		304
		305	=item $term = new urxvt [arg...]
		306
		307	Creates a new terminal, very similar as if you had started it with
		308	C<system $binfile, arg...>. Croaks (and probably outputs an error message)
		309	if the new instance couldn't be created. Returns C<undef> if the new
		310	instance didn't initialise perl, and the terminal object otherwise. The
		311	C<init> and C<start> hooks will be called during the call.
132		312
133	=item urxvt::fatal $errormessage	313	=item urxvt::fatal $errormessage
134		314
135	Fatally aborts execution with the given error message. Avoid at all	315	Fatally aborts execution with the given error message. Avoid at all
136	costs! The only time this is acceptable is when the terminal process	316	costs! The only time this is acceptable is when the terminal process
…		…
147		327
148	=item $time = urxvt::NOW	328	=item $time = urxvt::NOW
149		329
150	Returns the "current time" (as per the event loop).	330	Returns the "current time" (as per the event loop).
151		331
		332	=back
		333
		334	=head2 RENDITION
		335
		336	Rendition bitsets contain information about colour, font, font styles and
		337	similar information for each screen cell.
		338
		339	The following "macros" deal with changes in rendition sets. You should
		340	never just create a bitset, you should always modify an existing one,
		341	as they contain important information required for correct operation of
		342	rxvt-unicode.
		343
		344	=over 4
		345
		346	=item $rend = urxvt::DEFAULT_RSTYLE
		347
		348	Returns the default rendition, as used when the terminal is starting up or
		349	being reset. Useful as a base to start when creating renditions.
		350
		351	=item $rend = urxvt::OVERLAY_RSTYLE
		352
		353	Return the rendition mask used for overlays by default.
		354
		355	=item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline
		356
		357	Return the bit that enabled bold, italic, blink, reverse-video and
		358	underline, respectively. To enable such a style, just logically OR it into
		359	the bitset.
		360
		361	=item $foreground = urxvt::GET_BASEFG $rend
		362
		363	=item $background = urxvt::GET_BASEBG $rend
		364
		365	Return the foreground/background colour index, respectively.
		366
		367	=item $rend = urxvt::SET_FGCOLOR ($rend, $new_colour)
		368
		369	=item $rend = urxvt::SET_BGCOLOR ($rend, $new_colour)
		370
		371	Replace the foreground/background colour in the rendition mask with the
		372	specified one.
		373
		374	=item $value = urxvt::GET_CUSTOM ($rend)
		375
		376	Return the "custom" value: Every rendition has 5 bits for use by
		377	extensions. They can be set and changed as you like and are initially
		378	zero.
		379
		380	=item $rend = urxvt::SET_CUSTOM ($rend, $new_value)
		381
		382	Change the custom value.
		383
		384	=back
		385
152	=cut	386	=cut
153		387
154	package urxvt;	388	package urxvt;
155		389
156	use strict;	390	use strict;
		391	use Scalar::Util ();
157		392
158	our $term;	393	our $TERM;
159	our @HOOKNAME;	394	our @HOOKNAME;
160	our $LIBDIR;	395	our $LIBDIR;
161		396
162	BEGIN {	397	BEGIN {
163	urxvt->bootstrap;	398	urxvt->bootstrap;
…		…
188	my $name = $HOOKNAME[$htype];	423	my $name = $HOOKNAME[$htype];
189		424
190	my $ref = $pkg->can ("on_" . lc $name)	425	my $ref = $pkg->can ("on_" . lc $name)
191	or next;	426	or next;
192		427
193	$term->{_hook}[$htype]{$ref*1} = $ref;	428	$TERM->{_hook}[$htype]{$pkg} = $ref;
194	$hook_count[$htype]++	429	$hook_count[$htype]++
195	or set_should_invoke $htype, 1;	430	or set_should_invoke $htype, 1;
196	}	431	}
197	}	432	}
198		433
…		…
220		455
221	$pkg	456	$pkg
222	}	457	}
223	}	458	}
224		459
		460	our $retval; # return value for urxvt
		461
225	# called by the rxvt core	462	# called by the rxvt core
226	sub invoke {	463	sub invoke {
227	local $term = shift;	464	local $TERM = shift;
228	my $htype = shift;	465	my $htype = shift;
229		466
230	if ($htype == 0) { # INIT	467	if ($htype == 0) { # INIT
231	my @dirs = ((split /:/, $term->resource ("perl_lib")), "$LIBDIR/perl");	468	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
232		469
233	for my $ext (split /:/, $term->resource ("perl_ext")) {	470	for my $ext (map { split /:/, $TERM->resource ("perl_ext_$_") } 1, 2) {
234	my @files = grep -f $_, map "$_/$ext", @dirs;	471	my @files = grep -f $_, map "$_/$ext", @dirs;
235		472
236	if (@files) {	473	if (@files) {
237	register_package script_package $files[0];	474	register_package script_package $files[0];
238	} else {	475	} else {
239	warn "perl extension '$ext' not found in perl library search path\n";	476	warn "perl extension '$ext' not found in perl library search path\n";
240	}	477	}
241	}	478	}
		479	}
242		480
		481	$retval = undef;
		482
		483	if (my $cb = $TERM->{_hook}[$htype]) {
		484	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
		485	if $verbosity >= 10;
		486
		487	keys %$cb;
		488
		489	while (my ($pkg, $cb) = each %$cb) {
		490	$retval = $cb->(
		491	$TERM->{_pkg}{$pkg} \|\|= do {
		492	my $proxy = bless { }, urxvt::term::proxy::;
		493	Scalar::Util::weaken ($proxy->{term} = $TERM);
		494	$proxy
		495	},
		496	@_,
		497	) and last;
		498	}
		499	}
		500
243	} elsif ($htype == 1) { # DESTROY	501	if ($htype == 1) { # DESTROY
		502	# remove hooks if unused
244	if (my $hook = $term->{_hook}) {	503	if (my $hook = $TERM->{_hook}) {
245	for my $htype (0..$#$hook) {	504	for my $htype (0..$#$hook) {
246	$hook_count[$htype] -= scalar keys %{ $hook->[$htype] \|\| {} }	505	$hook_count[$htype] -= scalar keys %{ $hook->[$htype] \|\| {} }
247	or set_should_invoke $htype, 0;	506	or set_should_invoke $htype, 0;
248	}	507	}
249	}	508	}
		509
		510	# clear package objects
		511	%$_ = () for values %{ $TERM->{_pkg} };
		512
		513	# clear package
		514	%$TERM = ();
250	}	515	}
251		516
252	my $cb = $term->{_hook}[$htype]	517	$retval
253	or return;
254
255	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $term, @_) . ")"
256	if $verbosity >= 10;
257
258	while (my ($k, $v) = each %$cb) {
259	return 1 if $v->($term, @_);
260	}
261
262	0
263	}	518	}
264		519
265	=back	520	sub urxvt::term::proxy::AUTOLOAD {
		521	$urxvt::term::proxy::AUTOLOAD =~ /:([^:]+)$/
		522	or die "FATAL: \$AUTOLOAD '$urxvt::term::proxy::AUTOLOAD' unparsable";
		523
		524	eval qq{
		525	sub $urxvt::term::proxy::AUTOLOAD {
		526	my \$proxy = shift;
		527	\$proxy->{term}->$1 (\@_)
		528	}
		529	1
		530	} or die "FATAL: unable to compile method forwarder: $@";
		531
		532	goto &$urxvt::term::proxy::AUTOLOAD;
		533	}
266		534
267	=head2 The C<urxvt::term> Class	535	=head2 The C<urxvt::term> Class
268		536
269	=over 4	537	=over 4
		538
		539	=item $term->destroy
		540
		541	Destroy the terminal object (close the window, free resources etc.).
270		542
271	=item $value = $term->resource ($name[, $newval])	543	=item $value = $term->resource ($name[, $newval])
272		544
273	Returns the current resource value associated with a given name and	545	Returns the current resource value associated with a given name and
274	optionally sets a new value. Setting values is most useful in the C<init>	546	optionally sets a new value. Setting values is most useful in the C<init>
…		…
292	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont	564	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
293	borderLess color cursorBlink cursorUnderline cutchars delete_key	565	borderLess color cursorBlink cursorUnderline cutchars delete_key
294	display_name embed ext_bwidth fade font geometry hold iconName	566	display_name embed ext_bwidth fade font geometry hold iconName
295	imFont imLocale inputMethod insecure int_bwidth intensityStyles	567	imFont imLocale inputMethod insecure int_bwidth intensityStyles
296	italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier	568	italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier
297	mouseWheelScrollPage name pastableTabs path perl_eval perl_ext	569	mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2
298	perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd	570	perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd
299	reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating	571	reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating
300	scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput	572	scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput
301	scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle	573	scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle
302	shade term_name title transparent transparent_all tripleclickwords	574	shade term_name title transparent transparent_all tripleclickwords
…		…
308	my ($self, $name) = (shift, shift);	580	my ($self, $name) = (shift, shift);
309	unshift @_, $self, $name, ($name =~ s/\s\+\s(\d+)$// ? $1 : 0);	581	unshift @_, $self, $name, ($name =~ s/\s\+\s(\d+)$// ? $1 : 0);
310	goto &urxvt::term::_resource;	582	goto &urxvt::term::_resource;
311	}	583	}
312		584
		585	=item $rend = $term->rstyle ([$new_rstyle])
		586
		587	Return and optionally change the current rendition. Text that is output by
		588	the terminal application will use this style.
		589
		590	=item ($row, $col) = $term->screen_cur ([$row, $col])
		591
		592	Return the current coordinates of the text cursor position and optionally
		593	set it (which is usually bad as applications don't expect that).
		594
313	=item ($row, $col) = $term->selection_mark ([$row, $col])	595	=item ($row, $col) = $term->selection_mark ([$row, $col])
314		596
315	=item ($row, $col) = $term->selection_beg ([$row, $col])	597	=item ($row, $col) = $term->selection_beg ([$row, $col])
316		598
317	=item ($row, $col) = $term->selection_end ([$row, $col])	599	=item ($row, $col) = $term->selection_end ([$row, $col])
…		…
326		608
327	=item $oldtext = $term->selection ([$newtext])	609	=item $oldtext = $term->selection ([$newtext])
328		610
329	Return the current selection text and optionally replace it by C<$newtext>.	611	Return the current selection text and optionally replace it by C<$newtext>.
330		612
331	=item $term->scr_overlay ($x, $y, $text)	613	#=item $term->overlay ($x, $y, $text)
332		614	#
333	Create a simple multi-line overlay box. See the next method for details.	615	#Create a simple multi-line overlay box. See the next method for details.
334		616	#
335	=cut	617	#=cut
336		618	#
337	sub urxvt::term::scr_overlay {	619	#sub urxvt::term::scr_overlay {
338	my ($self, $x, $y, $text) = @_;	620	# my ($self, $x, $y, $text) = @_;
339		621	#
340	my @lines = split /\n/, $text;	622	# my @lines = split /\n/, $text;
341		623	#
342	my $w = 0;	624	# my $w = 0;
343	for (map $self->strwidth ($_), @lines) {	625	# for (map $self->strwidth ($_), @lines) {
344	$w = $_ if $w < $_;	626	# $w = $_ if $w < $_;
345	}	627	# }
346		628	#
347	$self->scr_overlay_new ($x, $y, $w, scalar @lines);	629	# $self->scr_overlay_new ($x, $y, $w, scalar @lines);
348	$self->scr_overlay_set (0, $_, $lines[$_]) for 0.. $#lines;	630	# $self->scr_overlay_set (0, $_, $lines[$_]) for 0.. $#lines;
349	}	631	#}
350		632
351	=item $term->scr_overlay_new ($x, $y, $width, $height)	633	=item $term->overlay ($x, $y, $width, $height[, $rstyle[, $border]])
352		634
353	Create a new (empty) overlay at the given position with the given	635	Create a new (empty) overlay at the given position with the given
354	width/height. A border will be put around the box. If either C<$x> or	636	width/height. C<$rstyle> defines the initial rendition style
355	C<$y> is negative, then this is counted from the right/bottom side,	637	(default: C<OVERLAY_RSTYLE>).
356	respectively.
357		638
358	=item $term->scr_overlay_off	639	If C<$border> is C<2> (default), then a decorative border will be put
		640	around the box.
359		641
360	Switch the overlay off again.	642	If either C<$x> or C<$y> is negative, then this is counted from the
		643	right/bottom side, respectively.
361		644
362	=item $term->scr_overlay_set_char ($x, $y, $char, $rend = OVERLAY_RSTYLE)	645	This method returns an urxvt::overlay object. The overlay will be visible
		646	as long as the perl object is referenced.
363		647
364	Put a single character (specified numerically) at the given overlay	648	The methods currently supported on C<urxvt::overlay> objects are:
365	position.
366		649
		650	=over 4
		651
367	=item $term->scr_overlay_set ($x, $y, $text)	652	=item $overlay->set ($x, $y, $text, $rend)
368		653
369	Write a string at the given position into the overlay.	654	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts
		655	text in rxvt-unicode's special encoding and an array of rendition values
		656	at a specific position inside the overlay.
370		657
		658	=item $overlay->hide
		659
		660	If visible, hide the overlay, but do not destroy it.
		661
		662	=item $overlay->show
		663
		664	If hidden, display the overlay again.
		665
		666	=back
		667
371	=item $cellwidth = $term->strwidth $string	668	=item $cellwidth = $term->strwidth ($string)
372		669
373	Returns the number of screen-cells this string would need. Correctly	670	Returns the number of screen-cells this string would need. Correctly
374	accounts for wide and combining characters.	671	accounts for wide and combining characters.
375		672
376	=item $octets = $term->locale_encode $string	673	=item $octets = $term->locale_encode ($string)
377		674
378	Convert the given text string into the corresponding locale encoding.	675	Convert the given text string into the corresponding locale encoding.
379		676
380	=item $string = $term->locale_decode $octets	677	=item $string = $term->locale_decode ($octets)
381		678
382	Convert the given locale-encoded octets into a perl string.	679	Convert the given locale-encoded octets into a perl string.
383		680
		681	=item $term->scr_add_lines ($string)
		682
		683	Write the given text string to the screen, as if output by the application
		684	running inside the terminal. It may not contain command sequences (escape
		685	codes), but is free to use line feeds, carriage returns and tabs. The
		686	string is a normal text string, not in locale-dependent encoding.
		687
		688	Normally its not a good idea to use this function, as programs might be
		689	confused by changes in cursor position or scrolling. Its useful inside a
		690	C<on_add_lines> hook, though.
		691
		692	=item $term->cmd_parse ($octets)
		693
		694	Similar to C<scr_add_lines>, but the argument must be in the
		695	locale-specific encoding of the terminal and can contain command sequences
		696	(escape codes) that will be interpreted.
		697
384	=item $term->tt_write ($octets)	698	=item $term->tt_write ($octets)
385		699
386	Write the octets given in C<$data> to the tty (i.e. as program input). To	700	Write the octets given in C<$data> to the tty (i.e. as program input). To
387	pass characters instead of octets, you should convetr you strings first to	701	pass characters instead of octets, you should convert your strings first
388	the locale-specific encoding using C<< $term->locale_encode >>.	702	to the locale-specific encoding using C<< $term->locale_encode >>.
		703
		704	=item $windowid = $term->parent
		705
		706	Return the window id of the toplevel window.
		707
		708	=item $windowid = $term->vt
		709
		710	Return the window id of the terminal window.
		711
		712	=item $window_width = $term->width
		713
		714	=item $window_height = $term->height
		715
		716	=item $font_width = $term->fwidth
		717
		718	=item $font_height = $term->fheight
		719
		720	=item $font_ascent = $term->fbase
		721
		722	=item $terminal_rows = $term->nrow
		723
		724	=item $terminal_columns = $term->ncol
		725
		726	=item $has_focus = $term->focus
		727
		728	=item $is_mapped = $term->mapped
		729
		730	=item $max_scrollback = $term->saveLines
		731
		732	=item $nrow_plus_saveLines = $term->total_rows
		733
		734	=item $lines_in_scrollback = $term->nsaved
		735
		736	Return various integers describing terminal characteristics.
		737
		738	=item $view_start = $term->view_start ([$newvalue])
		739
		740	Returns the negative row number of the topmost line. Minimum value is
		741	C<0>, which displays the normal terminal contents. Larger values scroll
		742	this many lines into the scrollback buffer.
		743
		744	=item $term->want_refresh
		745
		746	Requests a screen refresh. At the next opportunity, rxvt-unicode will
		747	compare the on-screen display with its stored representation. If they
		748	differ, it redraws the differences.
		749
		750	Used after changing terminal contents to display them.
		751
		752	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
		753
		754	Returns the text of the entire row with number C<$row_number>. Row C<0>
		755	is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost
		756	terminal line. The scrollback buffer starts at line C<-1> and extends to
		757	line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line
		758	is requested.
		759
		760	If C<$new_text> is specified, it will replace characters in the current
		761	line, starting at column C<$start_col> (default C<0>), which is useful
		762	to replace only parts of a line. The font index in the rendition will
		763	automatically be updated.
		764
		765	C<$text> is in a special encoding: tabs and wide characters that use more
		766	than one cell when displayed are padded with urxvt::NOCHAR characters
		767	(C<chr 65535>). Characters with combining characters and other characters
		768	that do not fit into the normal tetx encoding will be replaced with
		769	characters in the private use area.
		770
		771	You have to obey this encoding when changing text. The advantage is
		772	that C<substr> and similar functions work on screen cells and not on
		773	characters.
		774
		775	The methods C<< $term->special_encode >> and C<< $term->special_decode >>
		776	can be used to convert normal strings into this encoding and vice versa.
		777
		778	=item $rend = $term->ROW_r ($row_number[, $new_rend[, $start_col]])
		779
		780	Like C<< $term->ROW_t >>, but returns an arrayref with rendition
		781	bitsets. Rendition bitsets contain information about colour, font, font
		782	styles and similar information. See also C<< $term->ROW_t >>.
		783
		784	When setting rendition, the font mask will be ignored.
		785
		786	See the section on RENDITION, above.
		787
		788	=item $length = $term->ROW_l ($row_number[, $new_length])
		789
		790	Returns the number of screen cells that are in use ("the line
		791	length"). Unlike the urxvt core, this returns C<< $term->ncol >> if the
		792	line is joined with the following one.
		793
		794	=item $bool = $term->is_longer ($row_number)
		795
		796	Returns true if the row is part of a multiple-row logical "line" (i.e.
		797	joined with the following row), which means all characters are in use
		798	and it is continued on the next row (and possibly a continuation of the
		799	previous row(s)).
		800
		801	=item $line = $term->line ($row_number)
		802
		803	Create and return a new C<urxvt::line> object that stores information
		804	about the logical line that row C<$row_number> is part of. It supports the
		805	following methods:
		806
		807	=over 4
		808
		809	=item $text = $line->t ([$new_text])
		810
		811	Returns or replaces the full text of the line, similar to C<ROW_t>
		812
		813	=item $rend = $line->r ([$new_rend])
		814
		815	Returns or replaces the full rendition array of the line, similar to C<ROW_r>
		816
		817	=item $length = $line->l
		818
		819	Returns the length of the line in cells, similar to C<ROW_l>.
		820
		821	=item $rownum = $line->beg
		822
		823	=item $rownum = $line->end
		824
		825	Return the row number of the first/last row of the line, respectively.
		826
		827	=item $offset = $line->offset_of ($row, $col)
		828
		829	Returns the character offset of the given row\|col pair within the logical
		830	line.
		831
		832	=item ($row, $col) = $line->coord_of ($offset)
		833
		834	Translates a string offset into terminal coordinates again.
		835
		836	=back
		837
		838	=cut
		839
		840	sub urxvt::term::line {
		841	my ($self, $row) = @_;
		842
		843	my $maxrow = $self->nrow - 1;
		844
		845	my ($beg, $end) = ($row, $row);
		846
		847	--$beg while $self->ROW_is_longer ($beg - 1);
		848	++$end while $self->ROW_is_longer ($end) && $end < $maxrow;
		849
		850	bless {
		851	term => $self,
		852	beg => $beg,
		853	end => $end,
		854	ncol => $self->ncol,
		855	len => ($end - $beg) * $self->ncol + $self->ROW_l ($end),
		856	}, urxvt::line::
		857	}
		858
		859	sub urxvt::line::t {
		860	my ($self) = @_;
		861
		862	if (@_ > 1)
		863	{
		864	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
		865	for $self->{beg} .. $self->{end};
		866	}
		867
		868	defined wantarray &&
		869	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),
		870	0, $self->{len}
		871	}
		872
		873	sub urxvt::line::r {
		874	my ($self) = @_;
		875
		876	if (@_ > 1)
		877	{
		878	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
		879	for $self->{beg} .. $self->{end};
		880	}
		881
		882	if (defined wantarray) {
		883	my $rend = [
		884	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}
		885	];
		886	$#$rend = $self->{len} - 1;
		887	return $rend;
		888	}
		889
		890	()
		891	}
		892
		893	sub urxvt::line::beg { $_[0]{beg} }
		894	sub urxvt::line::end { $_[0]{end} }
		895	sub urxvt::line::l { $_[0]{len} }
		896
		897	sub urxvt::line::offset_of {
		898	my ($self, $row, $col) = @_;
		899
		900	($row - $self->{beg}) * $self->{ncol} + $col
		901	}
		902
		903	sub urxvt::line::coord_of {
		904	my ($self, $offset) = @_;
		905
		906	use integer;
		907
		908	(
		909	$offset / $self->{ncol} + $self->{beg},
		910	$offset % $self->{ncol}
		911	)
		912	}
		913
		914	=item ($row, $col) = $line->coord_of ($offset)
		915	=item $text = $term->special_encode $string
		916
		917	Converts a perl string into the special encoding used by rxvt-unicode,
		918	where one character corresponds to one screen cell. See
		919	C<< $term->ROW_t >> for details.
		920
		921	=item $string = $term->special_decode $text
		922
		923	Converts rxvt-unicodes text reprsentation into a perl string. See
		924	C<< $term->ROW_t >> for details.
389		925
390	=back	926	=back
391		927
392	=head2 The C<urxvt::timer> Class	928	=head2 The C<urxvt::timer> Class
393		929
394	This class implements timer watchers/events. Time is represented as a	930	This class implements timer watchers/events. Time is represented as a
395	fractional number of seconds since the epoch. Example:	931	fractional number of seconds since the epoch. Example:
396		932
397	# create a digital clock display in upper right corner	933	$term->{overlay} = $term->overlay (-1, 0, 8, 1, urxvt::OVERLAY_RSTYLE, 0);
398	$term->{timer} = urxvt::timer	934	$term->{timer} = urxvt::timer
399	->new	935	->new
400	->start (urxvt::NOW)	936	->interval (1)
401	->cb (sub {	937	->cb (sub {
402	my ($timer) = @_;
403	my $time = $timer->at;
404	$timer->start ($time + 1);
405	$self->scr_overlay (-1, 0,	938	$term->{overlay}->set (0, 0,
406	POSIX::strftime "%H:%M:%S", localtime $time);	939	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
407	});	940	});
408		941
409	=over 4	942	=over 4
410		943
411	=item $timer = new urxvt::timer	944	=item $timer = new urxvt::timer
412		945
413	Create a new timer object in stopped state.	946	Create a new timer object in started state. It is scheduled to fire
		947	immediately.
414		948
415	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })	949	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })
416		950
417	Set the callback to be called when the timer triggers.	951	Set the callback to be called when the timer triggers.
418		952
…		…
421	Return the time this watcher will fire next.	955	Return the time this watcher will fire next.
422		956
423	=item $timer = $timer->set ($tstamp)	957	=item $timer = $timer->set ($tstamp)
424		958
425	Set the time the event is generated to $tstamp.	959	Set the time the event is generated to $tstamp.
		960
		961	=item $timer = $timer->interval ($interval)
		962
		963	Normally (and when C<$interval> is C<0>), the timer will automatically
		964	stop after it has fired once. If C<$interval> is non-zero, then the timer
		965	is automatically rescheduled at the given intervals.
426		966
427	=item $timer = $timer->start	967	=item $timer = $timer->start
428		968
429	Start the timer.	969	Start the timer.
430		970
…		…
493	This variable controls the verbosity level of the perl extension. Higher	1033	This variable controls the verbosity level of the perl extension. Higher
494	numbers indicate more verbose output.	1034	numbers indicate more verbose output.
495		1035
496	=over 4	1036	=over 4
497		1037
498	=item 0 - only fatal messages	1038	=item =0 - only fatal messages
499		1039
500	=item 3 - script loading and management	1040	=item =3 - script loading and management
501		1041
502	=item 10 - all events received	1042	=item =10 - all events received
503		1043
504	=back	1044	=back
505		1045
506	=head1 AUTHOR	1046	=head1 AUTHOR
507		1047

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Comparing rxvt-unicode/src/urxvt.pm (file contents): Revision 1.9 by root, Mon Jan 2 20:40:20 2006 UTC vs. Revision 1.40 by root, Fri Jan 6 05:37:59 2006 UTC

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Comparing rxvt-unicode/src/urxvt.pm (file contents):
Revision 1.9 by root, Mon Jan 2 20:40:20 2006 UTC vs.
Revision 1.40 by root, Fri Jan 6 05:37:59 2006 UTC