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Comparing rxvt-unicode/src/urxvt.pm (file contents):
Revision 1.22 by root, Tue Jan 3 19:10:54 2006 UTC vs.
Revision 1.53 by root, Sun Jan 8 01:16:09 2006 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
22Everytime a terminal object gets created, scripts specified via the 22Everytime a terminal object gets created, extension scripts specified via
23C<perl> resource are loaded and associated with it. 23the C<perl> resource are loaded and associated with it.
24 24
25Scripts are compiled in a 'use strict' and 'use utf8' environment, and 25Scripts are compiled in a 'use strict' and 'use utf8' environment, and
26thus must be encoded as UTF-8. 26thus must be encoded as UTF-8.
27 27
28Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where 28Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where
39 39
40=over 4 40=over 4
41 41
42=item selection 42=item selection
43 43
44Intelligent selection. This etxension tries to be more intelligent when the user 44Intelligent selection. This extension tries to be more intelligent when
45extends selections (double-click). 45the user extends selections (double-click). Right now, it tries to select
46urls and complete shell-quoted arguments, which is very convenient, too,
47if your F<ls> supports C<--quoting-style=shell>.
46 48
47It also offers the following bindable event: 49It also offers the following bindable event:
48 50
49=over 4 51=over 4
50 52
57=back 59=back
58 60
59=item digital-clock 61=item digital-clock
60 62
61Displays a digital clock using the built-in overlay. 63Displays a digital clock using the built-in overlay.
64
65=item mark-urls
66
67Uses per-line display filtering (C<on_line_update>) to underline urls.
68
69=item block-graphics-to-ascii
70
71A not very useful example of filtering all text output to the terminal,
72by replacing all line-drawing characters (U+2500 .. U+259F) by a
73similar-looking ascii character.
62 74
63=item example-refresh-hooks 75=item example-refresh-hooks
64 76
65Displays a very simple digital clock in the upper right corner of the 77Displays a very simple digital clock in the upper right corner of the
66window. Illustrates overwriting the refresh callbacks to create your own 78window. Illustrates overwriting the refresh callbacks to create your own
71=head2 General API Considerations 83=head2 General API Considerations
72 84
73All objects (such as terminals, time watchers etc.) are typical 85All objects (such as terminals, time watchers etc.) are typical
74reference-to-hash objects. The hash can be used to store anything you 86reference-to-hash objects. The hash can be used to store anything you
75like. All members starting with an underscore (such as C<_ptr> or 87like. All members starting with an underscore (such as C<_ptr> or
76C<_hook>) are reserved for internal uses and must not be accessed or 88C<_hook>) are reserved for internal uses and B<MUST NOT> be accessed or
77modified). 89modified).
78 90
79When objects are destroyed on the C++ side, the perl object hashes are 91When objects are destroyed on the C++ side, the perl object hashes are
80emptied, so its best to store related objects such as time watchers and 92emptied, so its best to store related objects such as time watchers and
81the like inside the terminal object so they get destroyed as soon as the 93the like inside the terminal object so they get destroyed as soon as the
82terminal is destroyed. 94terminal is destroyed.
83 95
96Argument names also often indicate the type of a parameter. Here are some
97hints on what they mean:
98
99=over 4
100
101=item $text
102
103Rxvt-unicodes special way of encoding text, where one "unicode" character
104always represents one screen cell. See L<row_t> for a discussion of this format.
105
106=item $string
107
108A perl text string, with an emphasis on I<text>. It can store all unicode
109characters and is to be distinguished with text encoded in a specific
110encoding (often locale-specific) and binary data.
111
112=item $octets
113
114Either binary data or - more common - a text string encoded in a
115locale-specific way.
116
117=back
118
84=head2 Hooks 119=head2 Hooks
85 120
86The following subroutines can be declared in loaded scripts, and will be called 121The following subroutines can be declared in extension files, and will be
87whenever the relevant event happens. 122called whenever the relevant event happens.
123
124The first argument passed to them is an object private to each terminal
125and extension package. You can call all C<urxvt::term> methods on it, but
126its not a real C<urxvt::term> object. Instead, the real C<urxvt::term>
127object that is shared between all packages is stored in the C<term>
128member. It is, however, blessed intot he package of the extension script,
129so for all practical purposes you can treat an extension script as a class.
88 130
89All of them must return a boolean value. If it is true, then the event 131All of them must return a boolean value. If it is true, then the event
90counts as being I<consumed>, and the invocation of other hooks is skipped, 132counts as being I<consumed>, and the invocation of other hooks is skipped,
91and the relevant action might not be carried out by the C++ code. 133and the relevant action might not be carried out by the C++ code.
92 134
95=over 4 137=over 4
96 138
97=item on_init $term 139=item on_init $term
98 140
99Called after a new terminal object has been initialized, but before 141Called after a new terminal object has been initialized, but before
100windows are created or the command gets run. 142windows are created or the command gets run. Most methods are unsafe to
143call or deliver senseless data, as terminal size and other characteristics
144have not yet been determined. You can safely query and change resources,
145though.
101 146
102=item on_reset $term 147=item on_reset $term
103 148
104Called after the screen is "reset" for any reason, such as resizing or 149Called after the screen is "reset" for any reason, such as resizing or
105control sequences. Here is where you can react on changes to size-related 150control sequences. Here is where you can react on changes to size-related
134should extend the selection itelf and return true to suppress the built-in 179should extend the selection itelf and return true to suppress the built-in
135processing. 180processing.
136 181
137See the F<selection> example extension. 182See the F<selection> example extension.
138 183
139=item on_focus_in $term
140
141Called whenever the window gets the keyboard focus, before urxvt does
142focus in processing.
143
144=item on_focus_out $term
145
146Called wheneever the window loses keyboard focus, before urxvt does focus
147out processing.
148
149=item on_view_change $term, $offset 184=item on_view_change $term, $offset
150 185
151Called whenever the view offset changes, i..e the user or program 186Called whenever the view offset changes, i..e the user or program
152scrolls. Offset C<0> means display the normal terminal, positive values 187scrolls. Offset C<0> means display the normal terminal, positive values
153show this many lines of scrollback. 188show this many lines of scrollback.
163number of lines that will be in the scrollback buffer. 198number of lines that will be in the scrollback buffer.
164 199
165=item on_tty_activity $term *NYI* 200=item on_tty_activity $term *NYI*
166 201
167Called whenever the program(s) running in the urxvt window send output. 202Called whenever the program(s) running in the urxvt window send output.
203
204=item on_osc_seq $term, $string
205
206Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
207operating system command) is processed. Cursor position and other state
208information is up-to-date when this happens. For interoperability, the
209string should start with the extension name and a colon, to distinguish
210it from commands for other extensions, and this might be enforced in the
211future.
212
213Be careful not ever to trust (in a security sense) the data you receive,
214as its source can not easily be controleld (e-mail content, messages from
215other users on the same system etc.).
216
217=item on_add_lines $term, $string
218
219Called whenever text is about to be output, with the text as argument. You
220can filter/change and output the text yourself by returning a true value
221and calling C<< $term->scr_add_lines >> yourself. Please note that this
222might be very slow, however, as your hook is called for B<all> text being
223output.
224
225=item on_line_update $term, $row
226
227Called whenever a line was updated or changed. Can be used to filter
228screen output (e.g. underline urls or other useless stuff). Only lines
229that are being shown will be filtered, and, due to performance reasons,
230not always immediately.
231
232The row number is always the topmost row of the line if the line spans
233multiple rows.
234
235Please note that, if you change the line, then the hook might get called
236later with the already-modified line (e.g. if unrelated parts change), so
237you cannot just toggle rendition bits, but only set them.
168 238
169=item on_refresh_begin $term 239=item on_refresh_begin $term
170 240
171Called just before the screen gets redrawn. Can be used for overlay 241Called just before the screen gets redrawn. Can be used for overlay
172or similar effects by modify terminal contents in refresh_begin, and 242or similar effects by modify terminal contents in refresh_begin, and
181 251
182Called whenever the user presses a key combination that has a 252Called whenever the user presses a key combination that has a
183C<perl:string> action bound to it (see description of the B<keysym> 253C<perl:string> action bound to it (see description of the B<keysym>
184resource in the @@RXVT_NAME@@(1) manpage). 254resource in the @@RXVT_NAME@@(1) manpage).
185 255
256=item on_focus_in $term
257
258Called whenever the window gets the keyboard focus, before rxvt-unicode
259does focus in processing.
260
261=item on_focus_out $term
262
263Called wheneever the window loses keyboard focus, before rxvt-unicode does
264focus out processing.
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=item on_map_notify $term, $event
277
278=item on_unmap_notify $term, $event
279
280Called whenever the corresponding X event is received for the terminal If
281the hook returns true, then the even will be ignored by rxvt-unicode.
282
283The event is a hash with most values as named by Xlib (see the XEvent
284manpage), with the additional members C<row> and C<col>, which are the row
285and column under the mouse cursor.
286
287C<on_key_press> additionally receives the string rxvt-unicode would
288output, if any, in locale-specific encoding.
289
290subwindow.
291
186=back 292=back
187 293
294=head2 Variables in the C<urxvt> Package
295
296=over 4
297
298=item $urxvt::TERM
299
300The current terminal. This variable stores the current C<urxvt::term>
301object, whenever a callback/hook is executing.
302
303=back
304
188=head2 Functions in the C<urxvt> Package 305=head2 Functions in the C<urxvt> Package
189 306
190=over 4 307=over 4
308
309=item $term = new urxvt [arg...]
310
311Creates a new terminal, very similar as if you had started it with
312C<system $binfile, arg...>. Croaks (and probably outputs an error message)
313if the new instance couldn't be created. Returns C<undef> if the new
314instance didn't initialise perl, and the terminal object otherwise. The
315C<init> and C<start> hooks will be called during the call.
191 316
192=item urxvt::fatal $errormessage 317=item urxvt::fatal $errormessage
193 318
194Fatally aborts execution with the given error message. Avoid at all 319Fatally aborts execution with the given error message. Avoid at all
195costs! The only time this is acceptable is when the terminal process 320costs! The only time this is acceptable is when the terminal process
205correct place, e.g. on stderr of the connecting urxvtc client. 330correct place, e.g. on stderr of the connecting urxvtc client.
206 331
207=item $time = urxvt::NOW 332=item $time = urxvt::NOW
208 333
209Returns the "current time" (as per the event loop). 334Returns the "current time" (as per the event loop).
335
336=item urxvt::CurrentTime
337
338=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
339Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
340Button4Mask, Button5Mask, AnyModifier
341
342Various constants for use in X events.
210 343
211=back 344=back
212 345
213=head2 RENDITION 346=head2 RENDITION
214 347
264 397
265=cut 398=cut
266 399
267package urxvt; 400package urxvt;
268 401
402use utf8;
269use strict; 403use strict;
404use Scalar::Util ();
405use List::Util ();
270 406
271our $term; 407our $TERM;
272our @HOOKNAME; 408our @HOOKNAME;
409our %OPTION;
273our $LIBDIR; 410our $LIBDIR;
274 411
275BEGIN { 412BEGIN {
276 urxvt->bootstrap; 413 urxvt->bootstrap;
277 414
301 my $name = $HOOKNAME[$htype]; 438 my $name = $HOOKNAME[$htype];
302 439
303 my $ref = $pkg->can ("on_" . lc $name) 440 my $ref = $pkg->can ("on_" . lc $name)
304 or next; 441 or next;
305 442
306 $term->{_hook}[$htype]{$ref*1} = $ref; 443 $TERM->{_hook}[$htype]{$pkg} = $ref;
307 $hook_count[$htype]++ 444 $hook_count[$htype]++
308 or set_should_invoke $htype, 1; 445 or set_should_invoke $htype, 1;
309 } 446 }
310} 447}
311 448
312my $script_pkg = "script0000"; 449my $extension_pkg = "extension0000";
313my %script_pkg; 450my %extension_pkg;
314 451
315# load a single script into its own package, once only 452# load a single script into its own package, once only
316sub script_package($) { 453sub extension_package($) {
317 my ($path) = @_; 454 my ($path) = @_;
318 455
319 $script_pkg{$path} ||= do { 456 $extension_pkg{$path} ||= do {
320 my $pkg = "urxvt::" . ($script_pkg++); 457 my $pkg = "urxvt::" . ($extension_pkg++);
321 458
322 verbose 3, "loading script '$path' into package '$pkg'"; 459 verbose 3, "loading extension '$path' into package '$pkg'";
323 460
324 open my $fh, "<:raw", $path 461 open my $fh, "<:raw", $path
325 or die "$path: $!"; 462 or die "$path: $!";
326 463
327 my $source = "package $pkg; use strict; use utf8;\n" 464 my $source = "package $pkg; use strict; use utf8;\n"
465 . "use base urxvt::term::proxy::;\n"
328 . "#line 1 \"$path\"\n{\n" 466 . "#line 1 \"$path\"\n{\n"
329 . (do { local $/; <$fh> }) 467 . (do { local $/; <$fh> })
330 . "\n};\n1"; 468 . "\n};\n1";
331 469
332 eval $source or die "$path: $@"; 470 eval $source or die "$path: $@";
333 471
334 $pkg 472 $pkg
335 } 473 }
336} 474}
337 475
476our $retval; # return value for urxvt
477
338# called by the rxvt core 478# called by the rxvt core
339sub invoke { 479sub invoke {
340 local $term = shift; 480 local $TERM = shift;
341 my $htype = shift; 481 my $htype = shift;
342 482
343 if ($htype == 0) { # INIT 483 if ($htype == 0) { # INIT
344 my @dirs = ((split /:/, $term->resource ("perl_lib")), "$LIBDIR/perl"); 484 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
485
486 my %want_ext;
345 487
346 for my $ext (split /:/, $term->resource ("perl_ext")) { 488 for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
489 if ($_ eq "default") {
490 $want_ext{$_}++ for qw(selection option-popup);
491 } elsif (/^-(.*)$/) {
492 delete $want_ext{$1};
493 } else {
494 $want_ext{$_}++;
495 }
496 }
497
498 for my $ext (keys %want_ext) {
347 my @files = grep -f $_, map "$_/$ext", @dirs; 499 my @files = grep -f $_, map "$_/$ext", @dirs;
348 500
349 if (@files) { 501 if (@files) {
350 register_package script_package $files[0]; 502 register_package extension_package $files[0];
351 } else { 503 } else {
352 warn "perl extension '$ext' not found in perl library search path\n"; 504 warn "perl extension '$ext' not found in perl library search path\n";
353 } 505 }
354 } 506 }
507 }
355 508
509 $retval = undef;
510
511 if (my $cb = $TERM->{_hook}[$htype]) {
512 verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
513 if $verbosity >= 10;
514
515 keys %$cb;
516
517 while (my ($pkg, $cb) = each %$cb) {
518 eval {
519 $retval = $cb->(
520 $TERM->{_pkg}{$pkg} ||= do {
521 my $proxy = bless { }, $pkg;
522 Scalar::Util::weaken ($proxy->{term} = $TERM);
523 $proxy
524 },
525 @_,
526 ) and last;
527 };
528 warn $@ if $@;#d#
529 }
530 }
531
356 } elsif ($htype == 1) { # DESTROY 532 if ($htype == 1) { # DESTROY
533 # remove hooks if unused
357 if (my $hook = $term->{_hook}) { 534 if (my $hook = $TERM->{_hook}) {
358 for my $htype (0..$#$hook) { 535 for my $htype (0..$#$hook) {
359 $hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} } 536 $hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
360 or set_should_invoke $htype, 0; 537 or set_should_invoke $htype, 0;
361 } 538 }
362 } 539 }
540
541 # clear package objects
542 %$_ = () for values %{ $TERM->{_pkg} };
543
544 # clear package
545 %$TERM = ();
363 } 546 }
364 547
365 my $cb = $term->{_hook}[$htype] 548 $retval
366 or return; 549}
367 550
368 verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $term, @_) . ")" 551sub urxvt::term::proxy::AUTOLOAD {
369 if $verbosity >= 10; 552 $urxvt::term::proxy::AUTOLOAD =~ /:([^:]+)$/
553 or die "FATAL: \$AUTOLOAD '$urxvt::term::proxy::AUTOLOAD' unparsable";
370 554
371 while (my ($k, $v) = each %$cb) { 555 eval qq{
372 return 1 if $v->($term, @_); 556 sub $urxvt::term::proxy::AUTOLOAD {
373 } 557 my \$proxy = shift;
558 \$proxy->{term}->$1 (\@_)
559 }
560 1
561 } or die "FATAL: unable to compile method forwarder: $@";
374 562
375 0 563 goto &$urxvt::term::proxy::AUTOLOAD;
564}
565
566sub urxvt::destroy_hook::DESTROY {
567 ${$_[0]}->();
568}
569
570sub urxvt::destroy_hook(&) {
571 bless \shift, urxvt::destroy_hook::
376} 572}
377 573
378=head2 The C<urxvt::term> Class 574=head2 The C<urxvt::term> Class
379 575
380=over 4 576=over 4
577
578=item $term->destroy
579
580Destroy the terminal object (close the window, free resources etc.).
581
582=item $isset = $term->option ($optval[, $set])
583
584Returns true if the option specified by C<$optval> is enabled, and
585optionally change it. All option values are stored by name in the hash
586C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
587
588Here is a a likely non-exhaustive list of option names, please see the
589source file F</src/optinc.h> to see the actual list:
590
591 borderLess console cursorBlink cursorUnderline hold iconic insecure
592 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage
593 pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating
594 scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer
595 secondaryScreen secondaryScroll skipBuiltinGlyphs transparent
596 tripleclickwords utmpInhibit visualBell
381 597
382=item $value = $term->resource ($name[, $newval]) 598=item $value = $term->resource ($name[, $newval])
383 599
384Returns the current resource value associated with a given name and 600Returns the current resource value associated with a given name and
385optionally sets a new value. Setting values is most useful in the C<init> 601optionally sets a new value. Setting values is most useful in the C<init>
395 611
396Please note that resource strings will currently only be freed when the 612Please note that resource strings will currently only be freed when the
397terminal is destroyed, so changing options frequently will eat memory. 613terminal is destroyed, so changing options frequently will eat memory.
398 614
399Here is a a likely non-exhaustive list of resource names, not all of which 615Here is a a likely non-exhaustive list of resource names, not all of which
400are supported in every build, please see the source to see the actual 616are supported in every build, please see the source file F</src/rsinc.h>
401list: 617to see the actual list:
402 618
403 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont 619 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
404 borderLess color cursorBlink cursorUnderline cutchars delete_key 620 borderLess color cursorBlink cursorUnderline cutchars delete_key
405 display_name embed ext_bwidth fade font geometry hold iconName 621 display_name embed ext_bwidth fade font geometry hold iconName
406 imFont imLocale inputMethod insecure int_bwidth intensityStyles 622 imFont imLocale inputMethod insecure int_bwidth intensityStyles
407 italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier 623 italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier
408 mouseWheelScrollPage name pastableTabs path perl_eval perl_ext 624 mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2
409 perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd 625 perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd
410 reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating 626 reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating
411 scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput 627 scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput
412 scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle 628 scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle
413 shade term_name title transparent transparent_all tripleclickwords 629 shade term_name title transparent transparent_all tripleclickwords
416=cut 632=cut
417 633
418sub urxvt::term::resource($$;$) { 634sub urxvt::term::resource($$;$) {
419 my ($self, $name) = (shift, shift); 635 my ($self, $name) = (shift, shift);
420 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0); 636 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
421 goto &urxvt::term::_resource; 637 &urxvt::term::_resource
422} 638}
639
640=item $rend = $term->rstyle ([$new_rstyle])
641
642Return and optionally change the current rendition. Text that is output by
643the terminal application will use this style.
644
645=item ($row, $col) = $term->screen_cur ([$row, $col])
646
647Return the current coordinates of the text cursor position and optionally
648set it (which is usually bad as applications don't expect that).
423 649
424=item ($row, $col) = $term->selection_mark ([$row, $col]) 650=item ($row, $col) = $term->selection_mark ([$row, $col])
425 651
426=item ($row, $col) = $term->selection_beg ([$row, $col]) 652=item ($row, $col) = $term->selection_beg ([$row, $col])
427 653
442#=item $term->overlay ($x, $y, $text) 668#=item $term->overlay ($x, $y, $text)
443# 669#
444#Create a simple multi-line overlay box. See the next method for details. 670#Create a simple multi-line overlay box. See the next method for details.
445# 671#
446#=cut 672#=cut
447 673#
448sub urxvt::term::scr_overlay { 674#sub urxvt::term::scr_overlay {
449die;
450 my ($self, $x, $y, $text) = @_; 675# my ($self, $x, $y, $text) = @_;
451 676#
452 my @lines = split /\n/, $text; 677# my @lines = split /\n/, $text;
453 678#
454 my $w = 0; 679# my $w = 0;
455 for (map $self->strwidth ($_), @lines) { 680# for (map $self->strwidth ($_), @lines) {
456 $w = $_ if $w < $_; 681# $w = $_ if $w < $_;
457 } 682# }
458 683#
459 $self->scr_overlay_new ($x, $y, $w, scalar @lines); 684# $self->scr_overlay_new ($x, $y, $w, scalar @lines);
460 $self->scr_overlay_set (0, $_, $lines[$_]) for 0.. $#lines; 685# $self->scr_overlay_set (0, $_, $lines[$_]) for 0.. $#lines;
461} 686#}
462 687
463=item $term->overlay ($x, $y, $width, $height[, $rstyle[, $border]]) 688=item $term->overlay ($x, $y, $width, $height[, $rstyle[, $border]])
464 689
465Create a new (empty) overlay at the given position with the given 690Create a new (empty) overlay at the given position with the given
466width/height. C<$rstyle> defines the initial rendition style 691width/height. C<$rstyle> defines the initial rendition style
493 718
494If hidden, display the overlay again. 719If hidden, display the overlay again.
495 720
496=back 721=back
497 722
723=item $popup = $term->popup ($event)
724
725Creates a new C<urxvt::popup> object that implements a popup menu. The
726C<$event> I<must> be the event causing the menu to pop up (a button event,
727currently).
728
729=cut
730
731sub urxvt::term::popup {
732 my ($self, $event) = @_;
733
734 $self->grab ($event->{time}, 1)
735 or return;
736
737 my $popup = bless {
738 term => $self,
739 event => $event,
740 }, urxvt::popup::;
741
742 Scalar::Util::weaken $popup->{term};
743
744 $self->{_destroy}{$popup} = urxvt::destroy_hook { $popup->{popup}->destroy };
745 Scalar::Util::weaken $self->{_destroy}{$popup};
746
747 $popup
748}
749
498=item $cellwidth = $term->strwidth $string 750=item $cellwidth = $term->strwidth ($string)
499 751
500Returns the number of screen-cells this string would need. Correctly 752Returns the number of screen-cells this string would need. Correctly
501accounts for wide and combining characters. 753accounts for wide and combining characters.
502 754
503=item $octets = $term->locale_encode $string 755=item $octets = $term->locale_encode ($string)
504 756
505Convert the given text string into the corresponding locale encoding. 757Convert the given text string into the corresponding locale encoding.
506 758
507=item $string = $term->locale_decode $octets 759=item $string = $term->locale_decode ($octets)
508 760
509Convert the given locale-encoded octets into a perl string. 761Convert the given locale-encoded octets into a perl string.
762
763=item $term->scr_add_lines ($string)
764
765Write the given text string to the screen, as if output by the application
766running inside the terminal. It may not contain command sequences (escape
767codes), but is free to use line feeds, carriage returns and tabs. The
768string is a normal text string, not in locale-dependent encoding.
769
770Normally its not a good idea to use this function, as programs might be
771confused by changes in cursor position or scrolling. Its useful inside a
772C<on_add_lines> hook, though.
773
774=item $term->cmd_parse ($octets)
775
776Similar to C<scr_add_lines>, but the argument must be in the
777locale-specific encoding of the terminal and can contain command sequences
778(escape codes) that will be interpreted.
510 779
511=item $term->tt_write ($octets) 780=item $term->tt_write ($octets)
512 781
513Write the octets given in C<$data> to the tty (i.e. as program input). To 782Write the octets given in C<$data> to the tty (i.e. as program input). To
514pass characters instead of octets, you should convert your strings first 783pass characters instead of octets, you should convert your strings first
515to the locale-specific encoding using C<< $term->locale_encode >>. 784to the locale-specific encoding using C<< $term->locale_encode >>.
516 785
786=item $windowid = $term->parent
787
788Return the window id of the toplevel window.
789
790=item $windowid = $term->vt
791
792Return the window id of the terminal window.
793
794=item $window_width = $term->width
795
796=item $window_height = $term->height
797
798=item $font_width = $term->fwidth
799
800=item $font_height = $term->fheight
801
802=item $font_ascent = $term->fbase
803
517=item $nrow = $term->nrow 804=item $terminal_rows = $term->nrow
518 805
519=item $ncol = $term->ncol 806=item $terminal_columns = $term->ncol
520 807
521Return the number of rows/columns of the terminal window (i.e. as 808=item $has_focus = $term->focus
522specified by C<-geometry>, excluding any scrollback).
523 809
524=item $nsaved = $term->nsaved 810=item $is_mapped = $term->mapped
525 811
526Returns the number of lines in the scrollback buffer. 812=item $max_scrollback = $term->saveLines
813
814=item $nrow_plus_saveLines = $term->total_rows
815
816=item $lines_in_scrollback = $term->nsaved
817
818Return various integers describing terminal characteristics.
819
820=item $modifiermask = $term->ModLevel3Mask
821
822=item $modifiermask = $term->ModMetaMask
823
824=item $modifiermask = $term->ModNumLockMask
825
826Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
827AltGr), the meta key (often Alt) and the num lock key, if applicable.
527 828
528=item $view_start = $term->view_start ([$newvalue]) 829=item $view_start = $term->view_start ([$newvalue])
529 830
530Returns the negative row number of the topmost line. Minimum value is 831Returns the negative row number of the topmost line. Minimum value is
531C<0>, which displays the normal terminal contents. Larger values scroll 832C<0>, which displays the normal terminal contents. Larger values scroll
542=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]]) 843=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
543 844
544Returns the text of the entire row with number C<$row_number>. Row C<0> 845Returns the text of the entire row with number C<$row_number>. Row C<0>
545is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost 846is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost
546terminal line. The scrollback buffer starts at line C<-1> and extends to 847terminal line. The scrollback buffer starts at line C<-1> and extends to
547line C<< -$term->nsaved >>. 848line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line
849is requested.
548 850
549If C<$new_text> is specified, it will replace characters in the current 851If C<$new_text> is specified, it will replace characters in the current
550line, starting at column C<$start_col> (default C<0>), which is useful 852line, starting at column C<$start_col> (default C<0>), which is useful
551to replace only parts of a line. The font index in the rendition will 853to replace only parts of a line. The font index in the rendition will
552automatically be updated. 854automatically be updated.
574 876
575See the section on RENDITION, above. 877See the section on RENDITION, above.
576 878
577=item $length = $term->ROW_l ($row_number[, $new_length]) 879=item $length = $term->ROW_l ($row_number[, $new_length])
578 880
579Returns the number of screen cells that are in use ("the line length"). If 881Returns the number of screen cells that are in use ("the line
580it is C<-1>, then the line is part of a multiple-row logical "line", which 882length"). Unlike the urxvt core, this returns C<< $term->ncol >> if the
581means all characters are in use and it is continued on the next row. 883line is joined with the following one.
582 884
885=item $bool = $term->is_longer ($row_number)
886
887Returns true if the row is part of a multiple-row logical "line" (i.e.
888joined with the following row), which means all characters are in use
889and it is continued on the next row (and possibly a continuation of the
890previous row(s)).
891
892=item $line = $term->line ($row_number)
893
894Create and return a new C<urxvt::line> object that stores information
895about the logical line that row C<$row_number> is part of. It supports the
896following methods:
897
898=over 4
899
900=item $text = $line->t ([$new_text])
901
902Returns or replaces the full text of the line, similar to C<ROW_t>
903
904=item $rend = $line->r ([$new_rend])
905
906Returns or replaces the full rendition array of the line, similar to C<ROW_r>
907
908=item $length = $line->l
909
910Returns the length of the line in cells, similar to C<ROW_l>.
911
912=item $rownum = $line->beg
913
914=item $rownum = $line->end
915
916Return the row number of the first/last row of the line, respectively.
917
918=item $offset = $line->offset_of ($row, $col)
919
920Returns the character offset of the given row|col pair within the logical
921line.
922
923=item ($row, $col) = $line->coord_of ($offset)
924
925Translates a string offset into terminal coordinates again.
926
927=back
928
929=cut
930
931sub urxvt::term::line {
932 my ($self, $row) = @_;
933
934 my $maxrow = $self->nrow - 1;
935
936 my ($beg, $end) = ($row, $row);
937
938 --$beg while $self->ROW_is_longer ($beg - 1);
939 ++$end while $self->ROW_is_longer ($end) && $end < $maxrow;
940
941 bless {
942 term => $self,
943 beg => $beg,
944 end => $end,
945 ncol => $self->ncol,
946 len => ($end - $beg) * $self->ncol + $self->ROW_l ($end),
947 }, urxvt::line::
948}
949
950sub urxvt::line::t {
951 my ($self) = @_;
952
953 if (@_ > 1)
954 {
955 $self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
956 for $self->{beg} .. $self->{end};
957 }
958
959 defined wantarray &&
960 substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),
961 0, $self->{len}
962}
963
964sub urxvt::line::r {
965 my ($self) = @_;
966
967 if (@_ > 1)
968 {
969 $self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
970 for $self->{beg} .. $self->{end};
971 }
972
973 if (defined wantarray) {
974 my $rend = [
975 map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}
976 ];
977 $#$rend = $self->{len} - 1;
978 return $rend;
979 }
980
981 ()
982}
983
984sub urxvt::line::beg { $_[0]{beg} }
985sub urxvt::line::end { $_[0]{end} }
986sub urxvt::line::l { $_[0]{len} }
987
988sub urxvt::line::offset_of {
989 my ($self, $row, $col) = @_;
990
991 ($row - $self->{beg}) * $self->{ncol} + $col
992}
993
994sub urxvt::line::coord_of {
995 my ($self, $offset) = @_;
996
997 use integer;
998
999 (
1000 $offset / $self->{ncol} + $self->{beg},
1001 $offset % $self->{ncol}
1002 )
1003}
1004
1005=item ($row, $col) = $line->coord_of ($offset)
583=item $text = $term->special_encode $string 1006=item $text = $term->special_encode $string
584 1007
585Converts a perl string into the special encoding used by rxvt-unicode, 1008Converts a perl string into the special encoding used by rxvt-unicode,
586where one character corresponds to one screen cell. See 1009where one character corresponds to one screen cell. See
587C<< $term->ROW_t >> for details. 1010C<< $term->ROW_t >> for details.
590 1013
591Converts rxvt-unicodes text reprsentation into a perl string. See 1014Converts rxvt-unicodes text reprsentation into a perl string. See
592C<< $term->ROW_t >> for details. 1015C<< $term->ROW_t >> for details.
593 1016
594=back 1017=back
1018
1019=head2 The C<urxvt::popup> Class
1020
1021=over 4
1022
1023=cut
1024
1025package urxvt::popup;
1026
1027sub add_item {
1028 my ($self, $item) = @_;
1029
1030 $item->{rend}{normal} = "\x1b[0;30;47m" unless exists $item->{rend}{normal};
1031 $item->{rend}{hover} = "\x1b[0;30;46m" unless exists $item->{rend}{hover};
1032 $item->{rend}{active} = "\x1b[m" unless exists $item->{rend}{active};
1033
1034 $item->{render} ||= sub { $_[0]{text} };
1035
1036 push @{ $self->{item} }, $item;
1037}
1038
1039sub add_separator {
1040 my ($self, $sep) = @_;
1041
1042 $sep ||= "═";
1043
1044 $self->add_item ({
1045 rend => { normal => "\x1b[0;30;47m", hover => "\x1b[0;30;47m", active => "\x1b[0;30;47m" },
1046 text => "",
1047 render => sub { $sep x $urxvt::TERM->ncol },
1048 activate => sub { },
1049 });
1050}
1051
1052sub add_title {
1053 my ($self, $title) = @_;
1054
1055 $self->add_item ({
1056 rend => { normal => "\x1b[38;5;11;44m", hover => "\x1b[38;5;11;44m", active => "\x1b[38;5;11;44m" },
1057 text => $title,
1058 activate => sub { },
1059 });
1060}
1061
1062sub add_button {
1063 my ($self, $text, $cb) = @_;
1064
1065 $self->add_item ({ type => "button", text => "[ $text ]", activate => $cb});
1066}
1067
1068sub add_toggle {
1069 my ($self, $text, $cb, $value) = @_;
1070
1071 my $item; $item = {
1072 type => "button",
1073 text => " $text",
1074 value => $value,
1075 render => sub { ($item->{value} ? "* " : " ") . $text },
1076 activate => sub { $cb->($item->{value} = !$item->{value}); },
1077 };
1078
1079 $self->add_item ($item);
1080}
1081
1082sub show {
1083 my ($self) = @_;
1084
1085 local $urxvt::popup::self = $self;
1086
1087 urxvt->new ("--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0,
1088 "--transient-for" => $self->{term}->parent,
1089 "-pe" => "urxvt-popup")
1090 or die "unable to create popup window\n";
1091}
1092
1093sub DESTROY {
1094 my ($self) = @_;
1095
1096 $self->{term}->ungrab;
1097}
595 1098
596=head2 The C<urxvt::timer> Class 1099=head2 The C<urxvt::timer> Class
597 1100
598This class implements timer watchers/events. Time is represented as a 1101This class implements timer watchers/events. Time is represented as a
599fractional number of seconds since the epoch. Example: 1102fractional number of seconds since the epoch. Example:
701This variable controls the verbosity level of the perl extension. Higher 1204This variable controls the verbosity level of the perl extension. Higher
702numbers indicate more verbose output. 1205numbers indicate more verbose output.
703 1206
704=over 4 1207=over 4
705 1208
706=item 0 - only fatal messages 1209=item =0 - only fatal messages
707 1210
708=item 3 - script loading and management 1211=item =3 - script loading and management
709 1212
710=item 10 - all events received 1213=item =10 - all events received
711 1214
712=back 1215=back
713 1216
714=head1 AUTHOR 1217=head1 AUTHOR
715 1218

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