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Comparing rxvt-unicode/src/urxvt.pm (file contents):
Revision 1.42 by root, Fri Jan 6 21:06:09 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>.
55Rot-13 the selection when activated. Used via keyboard trigger: 55Rot-13 the selection when activated. Used via keyboard trigger:
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
61=item option-popup (enabled by default)
62
63Binds a popup menu to Ctrl-Button3 that lets you toggle (some) options at
64runtime.
60 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
116 121
117=back 122=back
118 123
119=head2 Hooks 124=head2 Hooks
120 125
121The following subroutines can be declared in loaded scripts, and will be 126The following subroutines can be declared in extension files, and will be
122called whenever the relevant event happens. 127called whenever the relevant event happens.
123 128
124The 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
125and 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
126its 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>
127object 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>
128member. 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.
129 135
130All 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
131counts 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,
132and 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.
133 139
177click) and is either supposed to return false (normal operation), or 183click) and is either supposed to return false (normal operation), or
178should 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
179processing. 185processing.
180 186
181See the F<selection> example extension. 187See the F<selection> example extension.
182
183=item on_focus_in $term
184
185Called whenever the window gets the keyboard focus, before urxvt does
186focus in processing.
187
188=item on_focus_out $term
189
190Called wheneever the window loses keyboard focus, before urxvt does focus
191out processing.
192 188
193=item on_view_change $term, $offset 189=item on_view_change $term, $offset
194 190
195Called whenever the view offset changes, i..e the user or program 191Called whenever the view offset changes, i..e the user or program
196scrolls. Offset C<0> means display the normal terminal, positive values 192scrolls. Offset C<0> means display the normal terminal, positive values
260 256
261Called whenever the user presses a key combination that has a 257Called whenever the user presses a key combination that has a
262C<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>
263resource in the @@RXVT_NAME@@(1) manpage). 259resource in the @@RXVT_NAME@@(1) manpage).
264 260
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
265=item on_key_press $term, $event, $octets 271=item on_key_press $term, $event, $octets
266 272
267=item on_key_release $term, $event 273=item on_key_release $term, $event
268 274
269=item on_button_press $term, $event 275=item on_button_press $term, $event
270 276
271=item on_button_release $term, $event 277=item on_button_release $term, $event
272 278
273=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
274 284
275Called whenever the corresponding X event is received for the terminal If 285Called whenever the corresponding X event is received for the terminal If
276the 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.
277 287
278The 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
290 300
291=over 4 301=over 4
292 302
293=item $urxvt::TERM 303=item $urxvt::TERM
294 304
295The current terminal. Whenever a callback/Hook is bein executed, this 305The current terminal. This variable stores the current C<urxvt::term>
296variable stores the current C<urxvt::term> object. 306object, whenever a callback/hook is executing.
297 307
298=back 308=back
299 309
300=head2 Functions in the C<urxvt> Package 310=head2 Functions in the C<urxvt> Package
301 311
326 336
327=item $time = urxvt::NOW 337=item $time = urxvt::NOW
328 338
329Returns the "current time" (as per the event loop). 339Returns the "current time" (as per the event loop).
330 340
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
331=back 349=back
332 350
333=head2 RENDITION 351=head2 RENDITION
334 352
335Rendition bitsets contain information about colour, font, font styles and 353Rendition bitsets contain information about colour, font, font styles and
384 402
385=cut 403=cut
386 404
387package urxvt; 405package urxvt;
388 406
407use utf8;
389use strict; 408use strict;
390use Scalar::Util (); 409use Scalar::Util ();
410use List::Util ();
391 411
392our $TERM; 412our $TERM;
393our @HOOKNAME; 413our @HOOKNAME;
414our %OPTION;
394our $LIBDIR; 415our $LIBDIR;
395 416
396BEGIN { 417BEGIN {
397 urxvt->bootstrap; 418 urxvt->bootstrap;
398 419
428 $hook_count[$htype]++ 449 $hook_count[$htype]++
429 or set_should_invoke $htype, 1; 450 or set_should_invoke $htype, 1;
430 } 451 }
431} 452}
432 453
433my $script_pkg = "script0000"; 454my $extension_pkg = "extension0000";
434my %script_pkg; 455my %extension_pkg;
435 456
436# load a single script into its own package, once only 457# load a single script into its own package, once only
437sub script_package($) { 458sub extension_package($) {
438 my ($path) = @_; 459 my ($path) = @_;
439 460
440 $script_pkg{$path} ||= do { 461 $extension_pkg{$path} ||= do {
441 my $pkg = "urxvt::" . ($script_pkg++); 462 my $pkg = "urxvt::" . ($extension_pkg++);
442 463
443 verbose 3, "loading script '$path' into package '$pkg'"; 464 verbose 3, "loading extension '$path' into package '$pkg'";
444 465
445 open my $fh, "<:raw", $path 466 open my $fh, "<:raw", $path
446 or die "$path: $!"; 467 or die "$path: $!";
447 468
448 my $source = "package $pkg; use strict; use utf8;\n" 469 my $source = "package $pkg; use strict; use utf8;\n"
470 . "use base urxvt::term::proxy::;\n"
449 . "#line 1 \"$path\"\n{\n" 471 . "#line 1 \"$path\"\n{\n"
450 . (do { local $/; <$fh> }) 472 . (do { local $/; <$fh> })
451 . "\n};\n1"; 473 . "\n};\n1";
452 474
453 eval $source or die "$path: $@"; 475 eval $source or die "$path: $@";
463 local $TERM = shift; 485 local $TERM = shift;
464 my $htype = shift; 486 my $htype = shift;
465 487
466 if ($htype == 0) { # INIT 488 if ($htype == 0) { # INIT
467 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); 489 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
490
491 my %want_ext;
468 492
469 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) {
470 my @files = grep -f $_, map "$_/$ext", @dirs; 504 my @files = grep -f $_, map "$_/$ext", @dirs;
471 505
472 if (@files) { 506 if (@files) {
473 register_package script_package $files[0]; 507 register_package extension_package $files[0];
474 } else { 508 } else {
475 warn "perl extension '$ext' not found in perl library search path\n"; 509 warn "perl extension '$ext' not found in perl library search path\n";
476 } 510 }
477 } 511 }
478 } 512 }
484 if $verbosity >= 10; 518 if $verbosity >= 10;
485 519
486 keys %$cb; 520 keys %$cb;
487 521
488 while (my ($pkg, $cb) = each %$cb) { 522 while (my ($pkg, $cb) = each %$cb) {
523 eval {
489 $retval = $cb->( 524 $retval = $cb->(
490 $TERM->{_pkg}{$pkg} ||= do { 525 $TERM->{_pkg}{$pkg} ||= do {
491 my $proxy = bless { }, urxvt::term::proxy::; 526 my $proxy = bless { }, $pkg;
492 Scalar::Util::weaken ($proxy->{term} = $TERM); 527 Scalar::Util::weaken ($proxy->{term} = $TERM);
493 $proxy 528 $proxy
494 }, 529 },
495 @_, 530 @_,
496 ) and last; 531 ) and last;
532 };
533 warn $@ if $@;#d#
497 } 534 }
498 } 535 }
499 536
500 if ($htype == 1) { # DESTROY 537 if ($htype == 1) { # DESTROY
501 # remove hooks if unused 538 # remove hooks if unused
529 } or die "FATAL: unable to compile method forwarder: $@"; 566 } or die "FATAL: unable to compile method forwarder: $@";
530 567
531 goto &$urxvt::term::proxy::AUTOLOAD; 568 goto &$urxvt::term::proxy::AUTOLOAD;
532} 569}
533 570
571sub urxvt::destroy_hook::DESTROY {
572 ${$_[0]}->();
573}
574
575sub urxvt::destroy_hook(&) {
576 bless \shift, urxvt::destroy_hook::
577}
578
534=head2 The C<urxvt::term> Class 579=head2 The C<urxvt::term> Class
535 580
536=over 4 581=over 4
537 582
538=item $term->destroy 583=item $term->destroy
539 584
540Destroy 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
541 602
542=item $value = $term->resource ($name[, $newval]) 603=item $value = $term->resource ($name[, $newval])
543 604
544Returns the current resource value associated with a given name and 605Returns the current resource value associated with a given name and
545optionally 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>
555 616
556Please note that resource strings will currently only be freed when the 617Please note that resource strings will currently only be freed when the
557terminal is destroyed, so changing options frequently will eat memory. 618terminal is destroyed, so changing options frequently will eat memory.
558 619
559Here 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
560are 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>
561list: 622to see the actual list:
562 623
563 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont 624 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
564 borderLess color cursorBlink cursorUnderline cutchars delete_key 625 borderLess color cursorBlink cursorUnderline cutchars delete_key
565 display_name embed ext_bwidth fade font geometry hold iconName 626 display_name embed ext_bwidth fade font geometry hold iconName
566 imFont imLocale inputMethod insecure int_bwidth intensityStyles 627 imFont imLocale inputMethod insecure int_bwidth intensityStyles
576=cut 637=cut
577 638
578sub urxvt::term::resource($$;$) { 639sub urxvt::term::resource($$;$) {
579 my ($self, $name) = (shift, shift); 640 my ($self, $name) = (shift, shift);
580 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0); 641 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
581 goto &urxvt::term::_resource; 642 &urxvt::term::_resource
582} 643}
583 644
584=item $rend = $term->rstyle ([$new_rstyle]) 645=item $rend = $term->rstyle ([$new_rstyle])
585 646
586Return and optionally change the current rendition. Text that is output by 647Return and optionally change the current rendition. Text that is output by
662 723
663If hidden, display the overlay again. 724If hidden, display the overlay again.
664 725
665=back 726=back
666 727
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
667=item $cellwidth = $term->strwidth ($string) 755=item $cellwidth = $term->strwidth ($string)
668 756
669Returns the number of screen-cells this string would need. Correctly 757Returns the number of screen-cells this string would need. Correctly
670accounts for wide and combining characters. 758accounts for wide and combining characters.
671 759
731=item $nrow_plus_saveLines = $term->total_rows 819=item $nrow_plus_saveLines = $term->total_rows
732 820
733=item $lines_in_scrollback = $term->nsaved 821=item $lines_in_scrollback = $term->nsaved
734 822
735Return 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.
736 833
737=item $view_start = $term->view_start ([$newvalue]) 834=item $view_start = $term->view_start ([$newvalue])
738 835
739Returns the negative row number of the topmost line. Minimum value is 836Returns the negative row number of the topmost line. Minimum value is
740C<0>, which displays the normal terminal contents. Larger values scroll 837C<0>, which displays the normal terminal contents. Larger values scroll
921 1018
922Converts rxvt-unicodes text reprsentation into a perl string. See 1019Converts rxvt-unicodes text reprsentation into a perl string. See
923C<< $term->ROW_t >> for details. 1020C<< $term->ROW_t >> for details.
924 1021
925=back 1022=back
1023
1024=head2 The C<urxvt::popup> Class
1025
1026=over 4
1027
1028=cut
1029
1030package urxvt::popup;
1031
1032sub add_item {
1033 my ($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}
926 1103
927=head2 The C<urxvt::timer> Class 1104=head2 The C<urxvt::timer> Class
928 1105
929This class implements timer watchers/events. Time is represented as a 1106This class implements timer watchers/events. Time is represented as a
930fractional number of seconds since the epoch. Example: 1107fractional number of seconds since the epoch. Example:

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