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Comparing rxvt-unicode/src/urxvt.pm (file contents):
Revision 1.39 by root, Fri Jan 6 05:28:55 2006 UTC vs.
Revision 1.54 by root, Sun Jan 8 01:59:29 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
37 37
38 @@RXVT_NAME@@ -pe <extensionname> 38 @@RXVT_NAME@@ -pe <extensionname>
39 39
40=over 4 40=over 4
41 41
42=item selection 42=item selection (enabled by default)
43 43
44Intelligent selection. This extension tries to be more intelligent when 44Intelligent selection. This extension tries to be more intelligent when
45the user extends selections (double-click). Right now, it tries to select 45the user extends selections (double-click). Right now, it tries to select
46urls and complete shell-quoted arguments, which is very convenient, too, 46urls and complete shell-quoted arguments, which is very convenient, too,
47if your F<ls> supports C<--quoting-style=shell>. 47if your F<ls> supports C<--quoting-style=shell>.
56 56
57 URxvt.keysym.C-M-r: perl:selection:rot13 57 URxvt.keysym.C-M-r: perl:selection:rot13
58 58
59=back 59=back
60 60
61=item option-popup (enabled by default)
62
63Binds a popup menu to Ctrl-Button3 that lets you toggle (some) options at
64runtime.
65
61=item digital-clock 66=item digital-clock
62 67
63Displays a digital clock using the built-in overlay. 68Displays a digital clock using the built-in overlay.
64 69
65=item mark-urls 70=item mark-urls
66 71
67Uses per-line filtering (C<on_line_update>) to underline urls. 72Uses per-line display filtering (C<on_line_update>) to underline urls.
73
74=item block-graphics-to-ascii
75
76A not very useful example of filtering all text output to the terminal,
77by replacing all line-drawing characters (U+2500 .. U+259F) by a
78similar-looking ascii character.
68 79
69=item example-refresh-hooks 80=item example-refresh-hooks
70 81
71Displays a very simple digital clock in the upper right corner of the 82Displays a very simple digital clock in the upper right corner of the
72window. Illustrates overwriting the refresh callbacks to create your own 83window. Illustrates overwriting the refresh callbacks to create your own
73overlays or changes. 84overlays or changes.
74
75=item example-filter-input
76
77A not very useful example of filtering all text output to the terminal, by
78underlining all urls that matches a certain regex (i.e. some urls :). It
79is not very useful because urls that are output in multiple steps (e.g.
80when typing them) do not get marked.
81 85
82=back 86=back
83 87
84=head2 General API Considerations 88=head2 General API Considerations
85 89
117 121
118=back 122=back
119 123
120=head2 Hooks 124=head2 Hooks
121 125
122The following subroutines can be declared in loaded scripts, and will be 126The following subroutines can be declared in extension files, and will be
123called whenever the relevant event happens. 127called whenever the relevant event happens.
124 128
125The first argument passed to them is an object private to each terminal 129The first argument passed to them is an object private to each terminal
126and extension package. You can call all C<urxvt::term> methods on it, but 130and extension package. You can call all C<urxvt::term> methods on it, but
127its not a real C<urxvt::term> object. Instead, the real C<urxvt::term> 131its not a real C<urxvt::term> object. Instead, the real C<urxvt::term>
128object that is shared between all packages is stored in the C<term> 132object that is shared between all packages is stored in the C<term>
129member. 133member. It is, however, blessed intot he package of the extension script,
134so for all practical purposes you can treat an extension script as a class.
130 135
131All of them must return a boolean value. If it is true, then the event 136All of them must return a boolean value. If it is true, then the event
132counts as being I<consumed>, and the invocation of other hooks is skipped, 137counts as being I<consumed>, and the invocation of other hooks is skipped,
133and the relevant action might not be carried out by the C++ code. 138and the relevant action might not be carried out by the C++ code.
134 139
178click) and is either supposed to return false (normal operation), or 183click) and is either supposed to return false (normal operation), or
179should extend the selection itelf and return true to suppress the built-in 184should extend the selection itelf and return true to suppress the built-in
180processing. 185processing.
181 186
182See the F<selection> example extension. 187See the F<selection> example extension.
183
184=item on_focus_in $term
185
186Called whenever the window gets the keyboard focus, before urxvt does
187focus in processing.
188
189=item on_focus_out $term
190
191Called wheneever the window loses keyboard focus, before urxvt does focus
192out processing.
193 188
194=item on_view_change $term, $offset 189=item on_view_change $term, $offset
195 190
196Called whenever the view offset changes, i..e the user or program 191Called whenever the view offset changes, i..e the user or program
197scrolls. Offset C<0> means display the normal terminal, positive values 192scrolls. Offset C<0> means display the normal terminal, positive values
261 256
262Called whenever the user presses a key combination that has a 257Called whenever the user presses a key combination that has a
263C<perl:string> action bound to it (see description of the B<keysym> 258C<perl:string> action bound to it (see description of the B<keysym>
264resource in the @@RXVT_NAME@@(1) manpage). 259resource in the @@RXVT_NAME@@(1) manpage).
265 260
261=item on_focus_in $term
262
263Called whenever the window gets the keyboard focus, before rxvt-unicode
264does focus in processing.
265
266=item on_focus_out $term
267
268Called wheneever the window loses keyboard focus, before rxvt-unicode does
269focus out processing.
270
266=item on_key_press $term, $event, $octets 271=item on_key_press $term, $event, $octets
267 272
268=item on_key_release $term, $event 273=item on_key_release $term, $event
269 274
270=item on_button_press $term, $event 275=item on_button_press $term, $event
271 276
272=item on_button_release $term, $event 277=item on_button_release $term, $event
273 278
274=item on_motion_notify $term, $event 279=item on_motion_notify $term, $event
280
281=item on_map_notify $term, $event
282
283=item on_unmap_notify $term, $event
275 284
276Called whenever the corresponding X event is received for the terminal If 285Called whenever the corresponding X event is received for the terminal If
277the hook returns true, then the even will be ignored by rxvt-unicode. 286the hook returns true, then the even will be ignored by rxvt-unicode.
278 287
279The event is a hash with most values as named by Xlib (see the XEvent 288The event is a hash with most values as named by Xlib (see the XEvent
291 300
292=over 4 301=over 4
293 302
294=item $urxvt::TERM 303=item $urxvt::TERM
295 304
296The current terminal. Whenever a callback/Hook is bein executed, this 305The current terminal. This variable stores the current C<urxvt::term>
297variable stores the current C<urxvt::term> object. 306object, whenever a callback/hook is executing.
298 307
299=back 308=back
300 309
301=head2 Functions in the C<urxvt> Package 310=head2 Functions in the C<urxvt> Package
302 311
327 336
328=item $time = urxvt::NOW 337=item $time = urxvt::NOW
329 338
330Returns the "current time" (as per the event loop). 339Returns the "current time" (as per the event loop).
331 340
341=item urxvt::CurrentTime
342
343=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
344Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
345Button4Mask, Button5Mask, AnyModifier
346
347Various constants for use in X events.
348
332=back 349=back
333 350
334=head2 RENDITION 351=head2 RENDITION
335 352
336Rendition bitsets contain information about colour, font, font styles and 353Rendition bitsets contain information about colour, font, font styles and
385 402
386=cut 403=cut
387 404
388package urxvt; 405package urxvt;
389 406
407use utf8;
390use strict; 408use strict;
391use Scalar::Util (); 409use Scalar::Util ();
410use List::Util ();
392 411
393our $TERM; 412our $TERM;
394our @HOOKNAME; 413our @HOOKNAME;
414our %OPTION;
395our $LIBDIR; 415our $LIBDIR;
396 416
397BEGIN { 417BEGIN {
398 urxvt->bootstrap; 418 urxvt->bootstrap;
399 419
429 $hook_count[$htype]++ 449 $hook_count[$htype]++
430 or set_should_invoke $htype, 1; 450 or set_should_invoke $htype, 1;
431 } 451 }
432} 452}
433 453
434my $script_pkg = "script0000"; 454my $extension_pkg = "extension0000";
435my %script_pkg; 455my %extension_pkg;
436 456
437# load a single script into its own package, once only 457# load a single script into its own package, once only
438sub script_package($) { 458sub extension_package($) {
439 my ($path) = @_; 459 my ($path) = @_;
440 460
441 $script_pkg{$path} ||= do { 461 $extension_pkg{$path} ||= do {
442 my $pkg = "urxvt::" . ($script_pkg++); 462 my $pkg = "urxvt::" . ($extension_pkg++);
443 463
444 verbose 3, "loading script '$path' into package '$pkg'"; 464 verbose 3, "loading extension '$path' into package '$pkg'";
445 465
446 open my $fh, "<:raw", $path 466 open my $fh, "<:raw", $path
447 or die "$path: $!"; 467 or die "$path: $!";
448 468
449 my $source = "package $pkg; use strict; use utf8;\n" 469 my $source = "package $pkg; use strict; use utf8;\n"
470 . "use base urxvt::term::proxy::;\n"
450 . "#line 1 \"$path\"\n{\n" 471 . "#line 1 \"$path\"\n{\n"
451 . (do { local $/; <$fh> }) 472 . (do { local $/; <$fh> })
452 . "\n};\n1"; 473 . "\n};\n1";
453 474
454 eval $source or die "$path: $@"; 475 eval $source or die "$path: $@";
464 local $TERM = shift; 485 local $TERM = shift;
465 my $htype = shift; 486 my $htype = shift;
466 487
467 if ($htype == 0) { # INIT 488 if ($htype == 0) { # INIT
468 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); 489 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
490
491 my %want_ext;
469 492
470 for my $ext (map { split /:/, $TERM->resource ("perl_ext_$_") } 1, 2) { 493 for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
494 if ($_ eq "default") {
495 $want_ext{$_}++ for qw(selection option-popup);
496 } elsif (/^-(.*)$/) {
497 delete $want_ext{$1};
498 } else {
499 $want_ext{$_}++;
500 }
501 }
502
503 for my $ext (keys %want_ext) {
471 my @files = grep -f $_, map "$_/$ext", @dirs; 504 my @files = grep -f $_, map "$_/$ext", @dirs;
472 505
473 if (@files) { 506 if (@files) {
474 register_package script_package $files[0]; 507 register_package extension_package $files[0];
475 } else { 508 } else {
476 warn "perl extension '$ext' not found in perl library search path\n"; 509 warn "perl extension '$ext' not found in perl library search path\n";
477 } 510 }
478 } 511 }
479 } 512 }
485 if $verbosity >= 10; 518 if $verbosity >= 10;
486 519
487 keys %$cb; 520 keys %$cb;
488 521
489 while (my ($pkg, $cb) = each %$cb) { 522 while (my ($pkg, $cb) = each %$cb) {
523 eval {
490 $retval = $cb->( 524 $retval = $cb->(
491 $TERM->{_pkg}{$pkg} ||= do { 525 $TERM->{_pkg}{$pkg} ||= do {
492 my $proxy = bless { }, urxvt::term::proxy::; 526 my $proxy = bless { }, $pkg;
493 Scalar::Util::weaken ($proxy->{term} = $TERM); 527 Scalar::Util::weaken ($proxy->{term} = $TERM);
494 $proxy 528 $proxy
495 }, 529 },
496 @_, 530 @_,
497 ) and last; 531 ) and last;
532 };
533 warn $@ if $@;#d#
498 } 534 }
499 } 535 }
500 536
501 if ($htype == 1) { # DESTROY 537 if ($htype == 1) { # DESTROY
502 # remove hooks if unused 538 # remove hooks if unused
530 } or die "FATAL: unable to compile method forwarder: $@"; 566 } or die "FATAL: unable to compile method forwarder: $@";
531 567
532 goto &$urxvt::term::proxy::AUTOLOAD; 568 goto &$urxvt::term::proxy::AUTOLOAD;
533} 569}
534 570
571sub urxvt::destroy_hook::DESTROY {
572 ${$_[0]}->();
573}
574
575sub urxvt::destroy_hook(&) {
576 bless \shift, urxvt::destroy_hook::
577}
578
535=head2 The C<urxvt::term> Class 579=head2 The C<urxvt::term> Class
536 580
537=over 4 581=over 4
538 582
539=item $term->destroy 583=item $term->destroy
540 584
541Destroy the terminal object (close the window, free resources etc.). 585Destroy the terminal object (close the window, free resources etc.).
586
587=item $isset = $term->option ($optval[, $set])
588
589Returns true if the option specified by C<$optval> is enabled, and
590optionally change it. All option values are stored by name in the hash
591C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
592
593Here is a a likely non-exhaustive list of option names, please see the
594source file F</src/optinc.h> to see the actual list:
595
596 borderLess console cursorBlink cursorUnderline hold iconic insecure
597 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage
598 pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating
599 scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer
600 secondaryScreen secondaryScroll skipBuiltinGlyphs transparent
601 tripleclickwords utmpInhibit visualBell
542 602
543=item $value = $term->resource ($name[, $newval]) 603=item $value = $term->resource ($name[, $newval])
544 604
545Returns the current resource value associated with a given name and 605Returns the current resource value associated with a given name and
546optionally sets a new value. Setting values is most useful in the C<init> 606optionally sets a new value. Setting values is most useful in the C<init>
556 616
557Please note that resource strings will currently only be freed when the 617Please note that resource strings will currently only be freed when the
558terminal is destroyed, so changing options frequently will eat memory. 618terminal is destroyed, so changing options frequently will eat memory.
559 619
560Here is a a likely non-exhaustive list of resource names, not all of which 620Here is a a likely non-exhaustive list of resource names, not all of which
561are supported in every build, please see the source to see the actual 621are supported in every build, please see the source file F</src/rsinc.h>
562list: 622to see the actual list:
563 623
564 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont 624 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
565 borderLess color cursorBlink cursorUnderline cutchars delete_key 625 borderLess color cursorBlink cursorUnderline cutchars delete_key
566 display_name embed ext_bwidth fade font geometry hold iconName 626 display_name embed ext_bwidth fade font geometry hold iconName
567 imFont imLocale inputMethod insecure int_bwidth intensityStyles 627 imFont imLocale inputMethod insecure int_bwidth intensityStyles
577=cut 637=cut
578 638
579sub urxvt::term::resource($$;$) { 639sub urxvt::term::resource($$;$) {
580 my ($self, $name) = (shift, shift); 640 my ($self, $name) = (shift, shift);
581 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0); 641 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
582 goto &urxvt::term::_resource; 642 &urxvt::term::_resource
583} 643}
584 644
585=item $rend = $term->rstyle ([$new_rstyle]) 645=item $rend = $term->rstyle ([$new_rstyle])
586 646
587Return and optionally change the current rendition. Text that is output by 647Return and optionally change the current rendition. Text that is output by
663 723
664If hidden, display the overlay again. 724If hidden, display the overlay again.
665 725
666=back 726=back
667 727
728=item $popup = $term->popup ($event)
729
730Creates a new C<urxvt::popup> object that implements a popup menu. The
731C<$event> I<must> be the event causing the menu to pop up (a button event,
732currently).
733
734=cut
735
736sub urxvt::term::popup {
737 my ($self, $event) = @_;
738
739 $self->grab ($event->{time}, 1)
740 or return;
741
742 my $popup = bless {
743 term => $self,
744 event => $event,
745 }, urxvt::popup::;
746
747 Scalar::Util::weaken $popup->{term};
748
749 $self->{_destroy}{$popup} = urxvt::destroy_hook { $popup->{popup}->destroy };
750 Scalar::Util::weaken $self->{_destroy}{$popup};
751
752 $popup
753}
754
668=item $cellwidth = $term->strwidth $string 755=item $cellwidth = $term->strwidth ($string)
669 756
670Returns the number of screen-cells this string would need. Correctly 757Returns the number of screen-cells this string would need. Correctly
671accounts for wide and combining characters. 758accounts for wide and combining characters.
672 759
673=item $octets = $term->locale_encode $string 760=item $octets = $term->locale_encode ($string)
674 761
675Convert the given text string into the corresponding locale encoding. 762Convert the given text string into the corresponding locale encoding.
676 763
677=item $string = $term->locale_decode $octets 764=item $string = $term->locale_decode ($octets)
678 765
679Convert the given locale-encoded octets into a perl string. 766Convert the given locale-encoded octets into a perl string.
680 767
681=item $term->scr_add_lines ($string) 768=item $term->scr_add_lines ($string)
682 769
699 786
700Write the octets given in C<$data> to the tty (i.e. as program input). To 787Write the octets given in C<$data> to the tty (i.e. as program input). To
701pass characters instead of octets, you should convert your strings first 788pass characters instead of octets, you should convert your strings first
702to the locale-specific encoding using C<< $term->locale_encode >>. 789to the locale-specific encoding using C<< $term->locale_encode >>.
703 790
791=item $windowid = $term->parent
792
793Return the window id of the toplevel window.
794
795=item $windowid = $term->vt
796
797Return the window id of the terminal window.
798
704=item $window_width = $term->width 799=item $window_width = $term->width
705 800
706=item $window_height = $term->height 801=item $window_height = $term->height
707 802
708=item $font_width = $term->fwidth 803=item $font_width = $term->fwidth
724=item $nrow_plus_saveLines = $term->total_rows 819=item $nrow_plus_saveLines = $term->total_rows
725 820
726=item $lines_in_scrollback = $term->nsaved 821=item $lines_in_scrollback = $term->nsaved
727 822
728Return various integers describing terminal characteristics. 823Return various integers describing terminal characteristics.
824
825=item $modifiermask = $term->ModLevel3Mask
826
827=item $modifiermask = $term->ModMetaMask
828
829=item $modifiermask = $term->ModNumLockMask
830
831Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
832AltGr), the meta key (often Alt) and the num lock key, if applicable.
729 833
730=item $view_start = $term->view_start ([$newvalue]) 834=item $view_start = $term->view_start ([$newvalue])
731 835
732Returns the negative row number of the topmost line. Minimum value is 836Returns the negative row number of the topmost line. Minimum value is
733C<0>, which displays the normal terminal contents. Larger values scroll 837C<0>, which displays the normal terminal contents. Larger values scroll
914 1018
915Converts rxvt-unicodes text reprsentation into a perl string. See 1019Converts rxvt-unicodes text reprsentation into a perl string. See
916C<< $term->ROW_t >> for details. 1020C<< $term->ROW_t >> for details.
917 1021
918=back 1022=back
1023
1024=head2 The C<urxvt::popup> Class
1025
1026=over 4
1027
1028=cut
1029
1030package urxvt::popup;
1031
1032sub add_item {
1033 my ($self, $item) = @_;
1034
1035 $item->{rend}{normal} = "\x1b[0;30;47m" unless exists $item->{rend}{normal};
1036 $item->{rend}{hover} = "\x1b[0;30;46m" unless exists $item->{rend}{hover};
1037 $item->{rend}{active} = "\x1b[m" unless exists $item->{rend}{active};
1038
1039 $item->{render} ||= sub { $_[0]{text} };
1040
1041 push @{ $self->{item} }, $item;
1042}
1043
1044sub add_separator {
1045 my ($self, $sep) = @_;
1046
1047 $sep ||= "═";
1048
1049 $self->add_item ({
1050 rend => { normal => "\x1b[0;30;47m", hover => "\x1b[0;30;47m", active => "\x1b[0;30;47m" },
1051 text => "",
1052 render => sub { $sep x $urxvt::TERM->ncol },
1053 activate => sub { },
1054 });
1055}
1056
1057sub add_title {
1058 my ($self, $title) = @_;
1059
1060 $self->add_item ({
1061 rend => { normal => "\x1b[38;5;11;44m", hover => "\x1b[38;5;11;44m", active => "\x1b[38;5;11;44m" },
1062 text => $title,
1063 activate => sub { },
1064 });
1065}
1066
1067sub add_button {
1068 my ($self, $text, $cb) = @_;
1069
1070 $self->add_item ({ type => "button", text => "[ $text ]", activate => $cb});
1071}
1072
1073sub add_toggle {
1074 my ($self, $text, $cb, $value) = @_;
1075
1076 my $item; $item = {
1077 type => "button",
1078 text => " $text",
1079 value => $value,
1080 render => sub { ($item->{value} ? "* " : " ") . $text },
1081 activate => sub { $cb->($item->{value} = !$item->{value}); },
1082 };
1083
1084 $self->add_item ($item);
1085}
1086
1087sub show {
1088 my ($self) = @_;
1089
1090 local $urxvt::popup::self = $self;
1091
1092 urxvt->new ("--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0,
1093 "--transient-for" => $self->{term}->parent,
1094 "-pe" => "urxvt-popup")
1095 or die "unable to create popup window\n";
1096}
1097
1098sub DESTROY {
1099 my ($self) = @_;
1100
1101 $self->{term}->ungrab;
1102}
919 1103
920=head2 The C<urxvt::timer> Class 1104=head2 The C<urxvt::timer> Class
921 1105
922This class implements timer watchers/events. Time is represented as a 1106This class implements timer watchers/events. Time is represented as a
923fractional number of seconds since the epoch. Example: 1107fractional number of seconds since the epoch. Example:

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