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Comparing rxvt-unicode/src/urxvt.pm (file contents):
Revision 1.38 by root, Fri Jan 6 03:43:12 2006 UTC vs.
Revision 1.48 by root, Sat Jan 7 21:43:17 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
62 62
63Displays a digital clock using the built-in overlay. 63Displays a digital clock using the built-in overlay.
64 64
65=item mark-urls 65=item mark-urls
66 66
67Uses per-line filtering (C<on_line_update>) to underline urls. 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.
68 74
69=item example-refresh-hooks 75=item example-refresh-hooks
70 76
71Displays 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
72window. Illustrates overwriting the refresh callbacks to create your own 78window. Illustrates overwriting the refresh callbacks to create your own
73overlays or changes. 79overlays 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 80
82=back 81=back
83 82
84=head2 General API Considerations 83=head2 General API Considerations
85 84
117 116
118=back 117=back
119 118
120=head2 Hooks 119=head2 Hooks
121 120
122The following subroutines can be declared in loaded scripts, and will be 121The following subroutines can be declared in extension files, and will be
123called whenever the relevant event happens. 122called whenever the relevant event happens.
124 123
125The 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
126and 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
127its 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>
128object 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>
129member. 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.
130 130
131All 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
132counts 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,
133and 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.
134 134
178click) and is either supposed to return false (normal operation), or 178click) and is either supposed to return false (normal operation), or
179should 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
180processing. 180processing.
181 181
182See the F<selection> example extension. 182See 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.
193 183
194=item on_view_change $term, $offset 184=item on_view_change $term, $offset
195 185
196Called whenever the view offset changes, i..e the user or program 186Called whenever the view offset changes, i..e the user or program
197scrolls. Offset C<0> means display the normal terminal, positive values 187scrolls. Offset C<0> means display the normal terminal, positive values
261 251
262Called whenever the user presses a key combination that has a 252Called whenever the user presses a key combination that has a
263C<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>
264resource in the @@RXVT_NAME@@(1) manpage). 254resource in the @@RXVT_NAME@@(1) manpage).
265 255
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 266=item on_key_press $term, $event, $octets
267 267
268=item on_key_release $term, $event 268=item on_key_release $term, $event
269 269
270=item on_button_press $term, $event 270=item on_button_press $term, $event
271 271
272=item on_button_release $term, $event 272=item on_button_release $term, $event
273 273
274=item on_motion_notify $term, $event 274=item on_motion_notify $term, $event
275 275
276=item on_map_notify $term, $event
277
278=item on_unmap_notify $term, $event
279
276Called whenever the corresponding X event is received for the terminal 280Called whenever the corresponding X event is received for the terminal If
277(see the XEvent manpage) If the hook returns true, then the even will be 281the hook returns true, then the even will be ignored by rxvt-unicode.
278ignored 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.
279 286
280C<on_key_press> additionally receives the string rxvt-unicode would 287C<on_key_press> additionally receives the string rxvt-unicode would
281output, if any, in locale-specific encoding. 288output, if any, in locale-specific encoding.
282 289
283subwindow. 290subwindow.
288 295
289=over 4 296=over 4
290 297
291=item $urxvt::TERM 298=item $urxvt::TERM
292 299
293The current terminal. Whenever a callback/Hook is bein executed, this 300The current terminal. This variable stores the current C<urxvt::term>
294variable stores the current C<urxvt::term> object. 301object, whenever a callback/hook is executing.
295 302
296=back 303=back
297 304
298=head2 Functions in the C<urxvt> Package 305=head2 Functions in the C<urxvt> Package
299 306
324 331
325=item $time = urxvt::NOW 332=item $time = urxvt::NOW
326 333
327Returns the "current time" (as per the event loop). 334Returns the "current time" (as per the event loop).
328 335
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
329=back 344=back
330 345
331=head2 RENDITION 346=head2 RENDITION
332 347
333Rendition bitsets contain information about colour, font, font styles and 348Rendition bitsets contain information about colour, font, font styles and
382 397
383=cut 398=cut
384 399
385package urxvt; 400package urxvt;
386 401
402use utf8;
387use strict; 403use strict;
388use Scalar::Util (); 404use Scalar::Util ();
405use List::Util ();
389 406
390our $TERM; 407our $TERM;
391our @HOOKNAME; 408our @HOOKNAME;
392our $LIBDIR; 409our $LIBDIR;
393 410
426 $hook_count[$htype]++ 443 $hook_count[$htype]++
427 or set_should_invoke $htype, 1; 444 or set_should_invoke $htype, 1;
428 } 445 }
429} 446}
430 447
431my $script_pkg = "script0000"; 448my $extension_pkg = "extension0000";
432my %script_pkg; 449my %extension_pkg;
433 450
434# load a single script into its own package, once only 451# load a single script into its own package, once only
435sub script_package($) { 452sub extension_package($) {
436 my ($path) = @_; 453 my ($path) = @_;
437 454
438 $script_pkg{$path} ||= do { 455 $extension_pkg{$path} ||= do {
439 my $pkg = "urxvt::" . ($script_pkg++); 456 my $pkg = "urxvt::" . ($extension_pkg++);
440 457
441 verbose 3, "loading script '$path' into package '$pkg'"; 458 verbose 3, "loading extension '$path' into package '$pkg'";
442 459
443 open my $fh, "<:raw", $path 460 open my $fh, "<:raw", $path
444 or die "$path: $!"; 461 or die "$path: $!";
445 462
446 my $source = "package $pkg; use strict; use utf8;\n" 463 my $source = "package $pkg; use strict; use utf8;\n"
464 . "use base urxvt::term::proxy::;\n"
447 . "#line 1 \"$path\"\n{\n" 465 . "#line 1 \"$path\"\n{\n"
448 . (do { local $/; <$fh> }) 466 . (do { local $/; <$fh> })
449 . "\n};\n1"; 467 . "\n};\n1";
450 468
451 eval $source or die "$path: $@"; 469 eval $source or die "$path: $@";
462 my $htype = shift; 480 my $htype = shift;
463 481
464 if ($htype == 0) { # INIT 482 if ($htype == 0) { # INIT
465 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); 483 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
466 484
467 for my $ext (map { split /:/, $TERM->resource ("perl_ext_$_") } 1, 2) { 485 for my $ext (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
468 my @files = grep -f $_, map "$_/$ext", @dirs; 486 my @files = grep -f $_, map "$_/$ext", @dirs;
469 487
470 if (@files) { 488 if (@files) {
471 register_package script_package $files[0]; 489 register_package extension_package $files[0];
472 } else { 490 } else {
473 warn "perl extension '$ext' not found in perl library search path\n"; 491 warn "perl extension '$ext' not found in perl library search path\n";
474 } 492 }
475 } 493 }
476 } 494 }
482 if $verbosity >= 10; 500 if $verbosity >= 10;
483 501
484 keys %$cb; 502 keys %$cb;
485 503
486 while (my ($pkg, $cb) = each %$cb) { 504 while (my ($pkg, $cb) = each %$cb) {
505 eval {
487 $retval = $cb->( 506 $retval = $cb->(
488 $TERM->{_pkg}{$pkg} ||= do { 507 $TERM->{_pkg}{$pkg} ||= do {
489 my $proxy = bless { }, urxvt::term::proxy::; 508 my $proxy = bless { }, $pkg;
490 Scalar::Util::weaken ($proxy->{term} = $TERM); 509 Scalar::Util::weaken ($proxy->{term} = $TERM);
491 $proxy 510 $proxy
492 }, 511 },
493 @_, 512 @_,
494 ) and last; 513 ) and last;
514 };
515 warn $@ if $@;#d#
495 } 516 }
496 } 517 }
497 518
498 if ($htype == 1) { # DESTROY 519 if ($htype == 1) { # DESTROY
499 # remove hooks if unused 520 # remove hooks if unused
525 } 546 }
526 1 547 1
527 } or die "FATAL: unable to compile method forwarder: $@"; 548 } or die "FATAL: unable to compile method forwarder: $@";
528 549
529 goto &$urxvt::term::proxy::AUTOLOAD; 550 goto &$urxvt::term::proxy::AUTOLOAD;
551}
552
553sub urxvt::destroy_hook::DESTROY {
554 ${$_[0]}->();
555}
556
557sub urxvt::destroy_hook(&) {
558 bless \shift, urxvt::destroy_hook::
530} 559}
531 560
532=head2 The C<urxvt::term> Class 561=head2 The C<urxvt::term> Class
533 562
534=over 4 563=over 4
574=cut 603=cut
575 604
576sub urxvt::term::resource($$;$) { 605sub urxvt::term::resource($$;$) {
577 my ($self, $name) = (shift, shift); 606 my ($self, $name) = (shift, shift);
578 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0); 607 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
579 goto &urxvt::term::_resource; 608 &urxvt::term::_resource
580} 609}
581 610
582=item $rend = $term->rstyle ([$new_rstyle]) 611=item $rend = $term->rstyle ([$new_rstyle])
583 612
584Return and optionally change the current rendition. Text that is output by 613Return and optionally change the current rendition. Text that is output by
660 689
661If hidden, display the overlay again. 690If hidden, display the overlay again.
662 691
663=back 692=back
664 693
694=item $popup = $term->popup ($event)
695
696Creates a new C<urxvt::popup> object that implements a popup menu. The
697C<$event> I<must> be the event causing the menu to pop up (a button event,
698currently).
699
700=cut
701
702sub urxvt::term::popup {
703 my ($self, $event) = @_;
704
705 $self->grab ($event->{time}, 1)
706 or return;
707
708 my $popup = bless {
709 term => $self,
710 event => $event,
711 }, urxvt::popup::;
712
713 Scalar::Util::weaken $popup->{term};
714
715 $self->{_destroy}{$popup} = urxvt::destroy_hook { $popup->{popup}->destroy };
716 Scalar::Util::weaken $self->{_destroy}{$popup};
717
718 $popup
719}
720
665=item $cellwidth = $term->strwidth $string 721=item $cellwidth = $term->strwidth ($string)
666 722
667Returns the number of screen-cells this string would need. Correctly 723Returns the number of screen-cells this string would need. Correctly
668accounts for wide and combining characters. 724accounts for wide and combining characters.
669 725
670=item $octets = $term->locale_encode $string 726=item $octets = $term->locale_encode ($string)
671 727
672Convert the given text string into the corresponding locale encoding. 728Convert the given text string into the corresponding locale encoding.
673 729
674=item $string = $term->locale_decode $octets 730=item $string = $term->locale_decode ($octets)
675 731
676Convert the given locale-encoded octets into a perl string. 732Convert the given locale-encoded octets into a perl string.
677 733
678=item $term->scr_add_lines ($string) 734=item $term->scr_add_lines ($string)
679 735
696 752
697Write the octets given in C<$data> to the tty (i.e. as program input). To 753Write the octets given in C<$data> to the tty (i.e. as program input). To
698pass characters instead of octets, you should convert your strings first 754pass characters instead of octets, you should convert your strings first
699to the locale-specific encoding using C<< $term->locale_encode >>. 755to the locale-specific encoding using C<< $term->locale_encode >>.
700 756
757=item $windowid = $term->parent
758
759Return the window id of the toplevel window.
760
761=item $windowid = $term->vt
762
763Return the window id of the terminal window.
764
701=item $window_width = $term->width 765=item $window_width = $term->width
702 766
703=item $window_height = $term->height 767=item $window_height = $term->height
704 768
705=item $font_width = $term->fwidth 769=item $font_width = $term->fwidth
721=item $nrow_plus_saveLines = $term->total_rows 785=item $nrow_plus_saveLines = $term->total_rows
722 786
723=item $lines_in_scrollback = $term->nsaved 787=item $lines_in_scrollback = $term->nsaved
724 788
725Return various integers describing terminal characteristics. 789Return various integers describing terminal characteristics.
790
791=item $modifiermask = $term->ModLevel3Mask
792
793=item $modifiermask = $term->ModMetaMask
794
795=item $modifiermask = $term->ModNumLockMask
796
797Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
798AltGr), the meta key (often Alt) and the num lock key, if applicable.
726 799
727=item $view_start = $term->view_start ([$newvalue]) 800=item $view_start = $term->view_start ([$newvalue])
728 801
729Returns the negative row number of the topmost line. Minimum value is 802Returns the negative row number of the topmost line. Minimum value is
730C<0>, which displays the normal terminal contents. Larger values scroll 803C<0>, which displays the normal terminal contents. Larger values scroll
911 984
912Converts rxvt-unicodes text reprsentation into a perl string. See 985Converts rxvt-unicodes text reprsentation into a perl string. See
913C<< $term->ROW_t >> for details. 986C<< $term->ROW_t >> for details.
914 987
915=back 988=back
989
990=head2 The C<urxvt::popup> Class
991
992=over 4
993
994=cut
995
996package urxvt::popup;
997
998sub add_item {
999 my ($self, $item) = @_;
1000
1001 push @{ $self->{item} }, $item;
1002}
1003
1004sub add_button {
1005 my ($self, $text, $cb) = @_;
1006
1007 $self->add_item ({ type => "button", text => "[ $text ]", activate => $cb,
1008 render => sub { $_[0]{text} },
1009 });
1010}
1011
1012sub add_toggle {
1013 my ($self, $text, $cb, $value) = @_;
1014
1015 $self->add_item ({ type => "button", text => " $text", value => $value,
1016 render => sub { ($_[0]{value} ? "✔" : " ") . substr $_[0]{text}, 1 },
1017 activate => sub { $cb->($_[0]{value} = !$_[0]{value}); },
1018 });
1019}
1020
1021sub show {
1022 my ($self) = @_;
1023
1024 local $urxvt::popup::self = $self;
1025
1026 urxvt->new ("--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0,
1027 "--transient-for" => $self->{term}->parent,
1028 "-pe" => "urxvt-popup")
1029 or die "unable to create popup window\n";
1030}
1031
1032sub DESTROY {
1033 my ($self) = @_;
1034
1035 $self->{term}->ungrab;
1036}
916 1037
917=head2 The C<urxvt::timer> Class 1038=head2 The C<urxvt::timer> Class
918 1039
919This class implements timer watchers/events. Time is represented as a 1040This class implements timer watchers/events. Time is represented as a
920fractional number of seconds since the epoch. Example: 1041fractional number of seconds since the epoch. Example:

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