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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 1.49 by root, Sun Jan 8 00:07:18 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");
468 485
469 for my $ext (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) { 486 my @ext = (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2);
470 my @files = grep -f $_, map "$_/$ext", @dirs;
471 487
472 if (@files) { 488 while (@ext) {
473 register_package script_package $files[0]; 489 my $ext = shift @ext;
490 if ($ext eq "default") {
491 unshift @ext, qw(selection);
474 } else { 492 } else {
493 my @files = grep -f $_, map "$_/$ext", @dirs;
494
495 if (@files) {
496 register_package extension_package $files[0];
497 } else {
475 warn "perl extension '$ext' not found in perl library search path\n"; 498 warn "perl extension '$ext' not found in perl library search path\n";
499 }
476 } 500 }
477 } 501 }
478 } 502 }
479 503
480 $retval = undef; 504 $retval = undef;
484 if $verbosity >= 10; 508 if $verbosity >= 10;
485 509
486 keys %$cb; 510 keys %$cb;
487 511
488 while (my ($pkg, $cb) = each %$cb) { 512 while (my ($pkg, $cb) = each %$cb) {
513 eval {
489 $retval = $cb->( 514 $retval = $cb->(
490 $TERM->{_pkg}{$pkg} ||= do { 515 $TERM->{_pkg}{$pkg} ||= do {
491 my $proxy = bless { }, urxvt::term::proxy::; 516 my $proxy = bless { }, $pkg;
492 Scalar::Util::weaken ($proxy->{term} = $TERM); 517 Scalar::Util::weaken ($proxy->{term} = $TERM);
493 $proxy 518 $proxy
494 }, 519 },
495 @_, 520 @_,
496 ) and last; 521 ) and last;
522 };
523 warn $@ if $@;#d#
497 } 524 }
498 } 525 }
499 526
500 if ($htype == 1) { # DESTROY 527 if ($htype == 1) { # DESTROY
501 # remove hooks if unused 528 # remove hooks if unused
529 } or die "FATAL: unable to compile method forwarder: $@"; 556 } or die "FATAL: unable to compile method forwarder: $@";
530 557
531 goto &$urxvt::term::proxy::AUTOLOAD; 558 goto &$urxvt::term::proxy::AUTOLOAD;
532} 559}
533 560
561sub urxvt::destroy_hook::DESTROY {
562 ${$_[0]}->();
563}
564
565sub urxvt::destroy_hook(&) {
566 bless \shift, urxvt::destroy_hook::
567}
568
534=head2 The C<urxvt::term> Class 569=head2 The C<urxvt::term> Class
535 570
536=over 4 571=over 4
537 572
538=item $term->destroy 573=item $term->destroy
539 574
540Destroy the terminal object (close the window, free resources etc.). 575Destroy the terminal object (close the window, free resources etc.).
576
577=item $isset = $term->option ($optval[, $set])
578
579Returns true if the option specified by C<$optval> is enabled, and
580optionally change it. All option values are stored by name in the hash
581C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
582
583Here is a a likely non-exhaustive list of option names, please see the
584source file F</src/optinc.h> to see the actual list:
585
586 borderLess console cursorBlink cursorUnderline hold iconic insecure
587 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage
588 pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating
589 scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer
590 secondaryScreen secondaryScroll skipBuiltinGlyphs transparent
591 tripleclickwords utmpInhibit visualBell
541 592
542=item $value = $term->resource ($name[, $newval]) 593=item $value = $term->resource ($name[, $newval])
543 594
544Returns the current resource value associated with a given name and 595Returns the current resource value associated with a given name and
545optionally sets a new value. Setting values is most useful in the C<init> 596optionally sets a new value. Setting values is most useful in the C<init>
555 606
556Please note that resource strings will currently only be freed when the 607Please note that resource strings will currently only be freed when the
557terminal is destroyed, so changing options frequently will eat memory. 608terminal is destroyed, so changing options frequently will eat memory.
558 609
559Here is a a likely non-exhaustive list of resource names, not all of which 610Here 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 611are supported in every build, please see the source file F</src/rsinc.h>
561list: 612to see the actual list:
562 613
563 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont 614 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
564 borderLess color cursorBlink cursorUnderline cutchars delete_key 615 borderLess color cursorBlink cursorUnderline cutchars delete_key
565 display_name embed ext_bwidth fade font geometry hold iconName 616 display_name embed ext_bwidth fade font geometry hold iconName
566 imFont imLocale inputMethod insecure int_bwidth intensityStyles 617 imFont imLocale inputMethod insecure int_bwidth intensityStyles
576=cut 627=cut
577 628
578sub urxvt::term::resource($$;$) { 629sub urxvt::term::resource($$;$) {
579 my ($self, $name) = (shift, shift); 630 my ($self, $name) = (shift, shift);
580 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0); 631 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
581 goto &urxvt::term::_resource; 632 &urxvt::term::_resource
582} 633}
583 634
584=item $rend = $term->rstyle ([$new_rstyle]) 635=item $rend = $term->rstyle ([$new_rstyle])
585 636
586Return and optionally change the current rendition. Text that is output by 637Return and optionally change the current rendition. Text that is output by
662 713
663If hidden, display the overlay again. 714If hidden, display the overlay again.
664 715
665=back 716=back
666 717
718=item $popup = $term->popup ($event)
719
720Creates a new C<urxvt::popup> object that implements a popup menu. The
721C<$event> I<must> be the event causing the menu to pop up (a button event,
722currently).
723
724=cut
725
726sub urxvt::term::popup {
727 my ($self, $event) = @_;
728
729 $self->grab ($event->{time}, 1)
730 or return;
731
732 my $popup = bless {
733 term => $self,
734 event => $event,
735 }, urxvt::popup::;
736
737 Scalar::Util::weaken $popup->{term};
738
739 $self->{_destroy}{$popup} = urxvt::destroy_hook { $popup->{popup}->destroy };
740 Scalar::Util::weaken $self->{_destroy}{$popup};
741
742 $popup
743}
744
667=item $cellwidth = $term->strwidth ($string) 745=item $cellwidth = $term->strwidth ($string)
668 746
669Returns the number of screen-cells this string would need. Correctly 747Returns the number of screen-cells this string would need. Correctly
670accounts for wide and combining characters. 748accounts for wide and combining characters.
671 749
731=item $nrow_plus_saveLines = $term->total_rows 809=item $nrow_plus_saveLines = $term->total_rows
732 810
733=item $lines_in_scrollback = $term->nsaved 811=item $lines_in_scrollback = $term->nsaved
734 812
735Return various integers describing terminal characteristics. 813Return various integers describing terminal characteristics.
814
815=item $modifiermask = $term->ModLevel3Mask
816
817=item $modifiermask = $term->ModMetaMask
818
819=item $modifiermask = $term->ModNumLockMask
820
821Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
822AltGr), the meta key (often Alt) and the num lock key, if applicable.
736 823
737=item $view_start = $term->view_start ([$newvalue]) 824=item $view_start = $term->view_start ([$newvalue])
738 825
739Returns the negative row number of the topmost line. Minimum value is 826Returns the negative row number of the topmost line. Minimum value is
740C<0>, which displays the normal terminal contents. Larger values scroll 827C<0>, which displays the normal terminal contents. Larger values scroll
921 1008
922Converts rxvt-unicodes text reprsentation into a perl string. See 1009Converts rxvt-unicodes text reprsentation into a perl string. See
923C<< $term->ROW_t >> for details. 1010C<< $term->ROW_t >> for details.
924 1011
925=back 1012=back
1013
1014=head2 The C<urxvt::popup> Class
1015
1016=over 4
1017
1018=cut
1019
1020package urxvt::popup;
1021
1022sub add_item {
1023 my ($self, $item) = @_;
1024
1025 push @{ $self->{item} }, $item;
1026}
1027
1028sub add_button {
1029 my ($self, $text, $cb) = @_;
1030
1031 $self->add_item ({ type => "button", text => "[ $text ]", activate => $cb,
1032 render => sub { $_[0]{text} },
1033 });
1034}
1035
1036sub add_toggle {
1037 my ($self, $text, $cb, $value) = @_;
1038
1039 my $item; $item = {
1040 type => "button",
1041 text => " $text",
1042 value => $value,
1043 render => sub { ($item->{value} ? "✔" : " ") . $text },
1044 activate => sub { $cb->($item->{value} = !$item->{value}); },
1045 };
1046
1047 $self->add_item ($item);
1048}
1049
1050sub show {
1051 my ($self) = @_;
1052
1053 local $urxvt::popup::self = $self;
1054
1055 urxvt->new ("--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0,
1056 "--transient-for" => $self->{term}->parent,
1057 "-pe" => "urxvt-popup")
1058 or die "unable to create popup window\n";
1059}
1060
1061sub DESTROY {
1062 my ($self) = @_;
1063
1064 $self->{term}->ungrab;
1065}
926 1066
927=head2 The C<urxvt::timer> Class 1067=head2 The C<urxvt::timer> Class
928 1068
929This class implements timer watchers/events. Time is represented as a 1069This class implements timer watchers/events. Time is represented as a
930fractional number of seconds since the epoch. Example: 1070fractional number of seconds since the epoch. Example:

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