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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 1.50 by root, Sun Jan 8 00:11:38 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
116 116
117=back 117=back
118 118
119=head2 Hooks 119=head2 Hooks
120 120
121The following subroutines can be declared in loaded scripts, and will be 121The following subroutines can be declared in extension files, and will be
122called whenever the relevant event happens. 122called whenever the relevant event happens.
123 123
124The first argument passed to them is an object private to each terminal 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 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> 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> 127object that is shared between all packages is stored in the C<term>
128member. 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.
129 130
130All 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
131counts 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,
132and 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.
133 134
177click) and is either supposed to return false (normal operation), or 178click) and is either supposed to return false (normal operation), or
178should 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
179processing. 180processing.
180 181
181See the F<selection> example extension. 182See 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.
192 183
193=item on_view_change $term, $offset 184=item on_view_change $term, $offset
194 185
195Called whenever the view offset changes, i..e the user or program 186Called whenever the view offset changes, i..e the user or program
196scrolls. Offset C<0> means display the normal terminal, positive values 187scrolls. Offset C<0> means display the normal terminal, positive values
260 251
261Called whenever the user presses a key combination that has a 252Called whenever the user presses a key combination that has a
262C<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>
263resource in the @@RXVT_NAME@@(1) manpage). 254resource in the @@RXVT_NAME@@(1) manpage).
264 255
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
265=item on_key_press $term, $event, $octets 266=item on_key_press $term, $event, $octets
266 267
267=item on_key_release $term, $event 268=item on_key_release $term, $event
268 269
269=item on_button_press $term, $event 270=item on_button_press $term, $event
270 271
271=item on_button_release $term, $event 272=item on_button_release $term, $event
272 273
273=item on_motion_notify $term, $event 274=item on_motion_notify $term, $event
275
276=item on_map_notify $term, $event
277
278=item on_unmap_notify $term, $event
274 279
275Called whenever the corresponding X event is received for the terminal If 280Called whenever the corresponding X event is received for the terminal If
276the hook returns true, then the even will be ignored by rxvt-unicode. 281the hook returns true, then the even will be ignored by rxvt-unicode.
277 282
278The event is a hash with most values as named by Xlib (see the XEvent 283The event is a hash with most values as named by Xlib (see the XEvent
290 295
291=over 4 296=over 4
292 297
293=item $urxvt::TERM 298=item $urxvt::TERM
294 299
295The current terminal. Whenever a callback/Hook is bein executed, this 300The current terminal. This variable stores the current C<urxvt::term>
296variable stores the current C<urxvt::term> object. 301object, whenever a callback/hook is executing.
297 302
298=back 303=back
299 304
300=head2 Functions in the C<urxvt> Package 305=head2 Functions in the C<urxvt> Package
301 306
326 331
327=item $time = urxvt::NOW 332=item $time = urxvt::NOW
328 333
329Returns the "current time" (as per the event loop). 334Returns the "current time" (as per the event loop).
330 335
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.
343
331=back 344=back
332 345
333=head2 RENDITION 346=head2 RENDITION
334 347
335Rendition bitsets contain information about colour, font, font styles and 348Rendition bitsets contain information about colour, font, font styles and
384 397
385=cut 398=cut
386 399
387package urxvt; 400package urxvt;
388 401
402use utf8;
389use strict; 403use strict;
390use Scalar::Util (); 404use Scalar::Util ();
405use List::Util ();
391 406
392our $TERM; 407our $TERM;
393our @HOOKNAME; 408our @HOOKNAME;
409our %OPTION;
394our $LIBDIR; 410our $LIBDIR;
395 411
396BEGIN { 412BEGIN {
397 urxvt->bootstrap; 413 urxvt->bootstrap;
398 414
428 $hook_count[$htype]++ 444 $hook_count[$htype]++
429 or set_should_invoke $htype, 1; 445 or set_should_invoke $htype, 1;
430 } 446 }
431} 447}
432 448
433my $script_pkg = "script0000"; 449my $extension_pkg = "extension0000";
434my %script_pkg; 450my %extension_pkg;
435 451
436# load a single script into its own package, once only 452# load a single script into its own package, once only
437sub script_package($) { 453sub extension_package($) {
438 my ($path) = @_; 454 my ($path) = @_;
439 455
440 $script_pkg{$path} ||= do { 456 $extension_pkg{$path} ||= do {
441 my $pkg = "urxvt::" . ($script_pkg++); 457 my $pkg = "urxvt::" . ($extension_pkg++);
442 458
443 verbose 3, "loading script '$path' into package '$pkg'"; 459 verbose 3, "loading extension '$path' into package '$pkg'";
444 460
445 open my $fh, "<:raw", $path 461 open my $fh, "<:raw", $path
446 or die "$path: $!"; 462 or die "$path: $!";
447 463
448 my $source = "package $pkg; use strict; use utf8;\n" 464 my $source = "package $pkg; use strict; use utf8;\n"
465 . "use base urxvt::term::proxy::;\n"
449 . "#line 1 \"$path\"\n{\n" 466 . "#line 1 \"$path\"\n{\n"
450 . (do { local $/; <$fh> }) 467 . (do { local $/; <$fh> })
451 . "\n};\n1"; 468 . "\n};\n1";
452 469
453 eval $source or die "$path: $@"; 470 eval $source or die "$path: $@";
463 local $TERM = shift; 480 local $TERM = shift;
464 my $htype = shift; 481 my $htype = shift;
465 482
466 if ($htype == 0) { # INIT 483 if ($htype == 0) { # INIT
467 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); 484 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
485
486 my %want_ext;
468 487
469 for my $ext (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) { 488 for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
489 if ($_ eq "default") {
490 $want_ext{$_}++ for qw(selection);
491 } elsif (/-(.*)/) {
492 delete $want_ext{$1};
493 } else {
494 $want_ext{$_}++;
495 }
496 }
497
498 for my $ext (keys %want_ext) {
470 my @files = grep -f $_, map "$_/$ext", @dirs; 499 my @files = grep -f $_, map "$_/$ext", @dirs;
471 500
472 if (@files) { 501 if (@files) {
473 register_package script_package $files[0]; 502 register_package extension_package $files[0];
474 } else { 503 } else {
475 warn "perl extension '$ext' not found in perl library search path\n"; 504 warn "perl extension '$ext' not found in perl library search path\n";
476 } 505 }
477 } 506 }
478 } 507 }
484 if $verbosity >= 10; 513 if $verbosity >= 10;
485 514
486 keys %$cb; 515 keys %$cb;
487 516
488 while (my ($pkg, $cb) = each %$cb) { 517 while (my ($pkg, $cb) = each %$cb) {
518 eval {
489 $retval = $cb->( 519 $retval = $cb->(
490 $TERM->{_pkg}{$pkg} ||= do { 520 $TERM->{_pkg}{$pkg} ||= do {
491 my $proxy = bless { }, urxvt::term::proxy::; 521 my $proxy = bless { }, $pkg;
492 Scalar::Util::weaken ($proxy->{term} = $TERM); 522 Scalar::Util::weaken ($proxy->{term} = $TERM);
493 $proxy 523 $proxy
494 }, 524 },
495 @_, 525 @_,
496 ) and last; 526 ) and last;
527 };
528 warn $@ if $@;#d#
497 } 529 }
498 } 530 }
499 531
500 if ($htype == 1) { # DESTROY 532 if ($htype == 1) { # DESTROY
501 # remove hooks if unused 533 # remove hooks if unused
529 } or die "FATAL: unable to compile method forwarder: $@"; 561 } or die "FATAL: unable to compile method forwarder: $@";
530 562
531 goto &$urxvt::term::proxy::AUTOLOAD; 563 goto &$urxvt::term::proxy::AUTOLOAD;
532} 564}
533 565
566sub urxvt::destroy_hook::DESTROY {
567 ${$_[0]}->();
568}
569
570sub urxvt::destroy_hook(&) {
571 bless \shift, urxvt::destroy_hook::
572}
573
534=head2 The C<urxvt::term> Class 574=head2 The C<urxvt::term> Class
535 575
536=over 4 576=over 4
537 577
538=item $term->destroy 578=item $term->destroy
539 579
540Destroy the terminal object (close the window, free resources etc.). 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
541 597
542=item $value = $term->resource ($name[, $newval]) 598=item $value = $term->resource ($name[, $newval])
543 599
544Returns the current resource value associated with a given name and 600Returns the current resource value associated with a given name and
545optionally 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>
555 611
556Please note that resource strings will currently only be freed when the 612Please note that resource strings will currently only be freed when the
557terminal is destroyed, so changing options frequently will eat memory. 613terminal is destroyed, so changing options frequently will eat memory.
558 614
559Here 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
560are 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>
561list: 617to see the actual list:
562 618
563 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont 619 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
564 borderLess color cursorBlink cursorUnderline cutchars delete_key 620 borderLess color cursorBlink cursorUnderline cutchars delete_key
565 display_name embed ext_bwidth fade font geometry hold iconName 621 display_name embed ext_bwidth fade font geometry hold iconName
566 imFont imLocale inputMethod insecure int_bwidth intensityStyles 622 imFont imLocale inputMethod insecure int_bwidth intensityStyles
576=cut 632=cut
577 633
578sub urxvt::term::resource($$;$) { 634sub urxvt::term::resource($$;$) {
579 my ($self, $name) = (shift, shift); 635 my ($self, $name) = (shift, shift);
580 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0); 636 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
581 goto &urxvt::term::_resource; 637 &urxvt::term::_resource
582} 638}
583 639
584=item $rend = $term->rstyle ([$new_rstyle]) 640=item $rend = $term->rstyle ([$new_rstyle])
585 641
586Return and optionally change the current rendition. Text that is output by 642Return and optionally change the current rendition. Text that is output by
662 718
663If hidden, display the overlay again. 719If hidden, display the overlay again.
664 720
665=back 721=back
666 722
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
667=item $cellwidth = $term->strwidth ($string) 750=item $cellwidth = $term->strwidth ($string)
668 751
669Returns the number of screen-cells this string would need. Correctly 752Returns the number of screen-cells this string would need. Correctly
670accounts for wide and combining characters. 753accounts for wide and combining characters.
671 754
731=item $nrow_plus_saveLines = $term->total_rows 814=item $nrow_plus_saveLines = $term->total_rows
732 815
733=item $lines_in_scrollback = $term->nsaved 816=item $lines_in_scrollback = $term->nsaved
734 817
735Return various integers describing terminal characteristics. 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.
736 828
737=item $view_start = $term->view_start ([$newvalue]) 829=item $view_start = $term->view_start ([$newvalue])
738 830
739Returns the negative row number of the topmost line. Minimum value is 831Returns the negative row number of the topmost line. Minimum value is
740C<0>, which displays the normal terminal contents. Larger values scroll 832C<0>, which displays the normal terminal contents. Larger values scroll
921 1013
922Converts rxvt-unicodes text reprsentation into a perl string. See 1014Converts rxvt-unicodes text reprsentation into a perl string. See
923C<< $term->ROW_t >> for details. 1015C<< $term->ROW_t >> for details.
924 1016
925=back 1017=back
1018
1019=head2 The C<urxvt::popup> Class
1020
1021=over 4
1022
1023=cut
1024
1025package urxvt::popup;
1026
1027sub add_item {
1028 my ($self, $item) = @_;
1029
1030 push @{ $self->{item} }, $item;
1031}
1032
1033sub add_button {
1034 my ($self, $text, $cb) = @_;
1035
1036 $self->add_item ({ type => "button", text => "[ $text ]", activate => $cb,
1037 render => sub { $_[0]{text} },
1038 });
1039}
1040
1041sub add_toggle {
1042 my ($self, $text, $cb, $value) = @_;
1043
1044 my $item; $item = {
1045 type => "button",
1046 text => " $text",
1047 value => $value,
1048 render => sub { ($item->{value} ? "✔" : " ") . $text },
1049 activate => sub { $cb->($item->{value} = !$item->{value}); },
1050 };
1051
1052 $self->add_item ($item);
1053}
1054
1055sub show {
1056 my ($self) = @_;
1057
1058 local $urxvt::popup::self = $self;
1059
1060 urxvt->new ("--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0,
1061 "--transient-for" => $self->{term}->parent,
1062 "-pe" => "urxvt-popup")
1063 or die "unable to create popup window\n";
1064}
1065
1066sub DESTROY {
1067 my ($self) = @_;
1068
1069 $self->{term}->ungrab;
1070}
926 1071
927=head2 The C<urxvt::timer> Class 1072=head2 The C<urxvt::timer> Class
928 1073
929This class implements timer watchers/events. Time is represented as a 1074This class implements timer watchers/events. Time is represented as a
930fractional number of seconds since the epoch. Example: 1075fractional number of seconds since the epoch. Example:

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