ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/rxvt-unicode/src/urxvt.pm
(Generate patch)

Comparing rxvt-unicode/src/urxvt.pm (file contents):
Revision 1.40 by root, Fri Jan 6 05:37:59 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
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
276=item on_map_notify $term, $event
277
278=item on_unmap_notify $term, $event
275 279
276Called whenever the corresponding X event is received for the terminal If 280Called whenever the corresponding X event is received for the terminal If
277the 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.
278 282
279The 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
291 295
292=over 4 296=over 4
293 297
294=item $urxvt::TERM 298=item $urxvt::TERM
295 299
296The current terminal. Whenever a callback/Hook is bein executed, this 300The current terminal. This variable stores the current C<urxvt::term>
297variable stores the current C<urxvt::term> object. 301object, whenever a callback/hook is executing.
298 302
299=back 303=back
300 304
301=head2 Functions in the C<urxvt> Package 305=head2 Functions in the C<urxvt> Package
302 306
327 331
328=item $time = urxvt::NOW 332=item $time = urxvt::NOW
329 333
330Returns the "current time" (as per the event loop). 334Returns the "current time" (as per the event loop).
331 335
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
332=back 344=back
333 345
334=head2 RENDITION 346=head2 RENDITION
335 347
336Rendition bitsets contain information about colour, font, font styles and 348Rendition bitsets contain information about colour, font, font styles and
385 397
386=cut 398=cut
387 399
388package urxvt; 400package urxvt;
389 401
402use utf8;
390use strict; 403use strict;
391use Scalar::Util (); 404use Scalar::Util ();
405use List::Util ();
392 406
393our $TERM; 407our $TERM;
394our @HOOKNAME; 408our @HOOKNAME;
409our %OPTION;
395our $LIBDIR; 410our $LIBDIR;
396 411
397BEGIN { 412BEGIN {
398 urxvt->bootstrap; 413 urxvt->bootstrap;
399 414
429 $hook_count[$htype]++ 444 $hook_count[$htype]++
430 or set_should_invoke $htype, 1; 445 or set_should_invoke $htype, 1;
431 } 446 }
432} 447}
433 448
434my $script_pkg = "script0000"; 449my $extension_pkg = "extension0000";
435my %script_pkg; 450my %extension_pkg;
436 451
437# load a single script into its own package, once only 452# load a single script into its own package, once only
438sub script_package($) { 453sub extension_package($) {
439 my ($path) = @_; 454 my ($path) = @_;
440 455
441 $script_pkg{$path} ||= do { 456 $extension_pkg{$path} ||= do {
442 my $pkg = "urxvt::" . ($script_pkg++); 457 my $pkg = "urxvt::" . ($extension_pkg++);
443 458
444 verbose 3, "loading script '$path' into package '$pkg'"; 459 verbose 3, "loading extension '$path' into package '$pkg'";
445 460
446 open my $fh, "<:raw", $path 461 open my $fh, "<:raw", $path
447 or die "$path: $!"; 462 or die "$path: $!";
448 463
449 my $source = "package $pkg; use strict; use utf8;\n" 464 my $source = "package $pkg; use strict; use utf8;\n"
465 . "use base urxvt::term::proxy::;\n"
450 . "#line 1 \"$path\"\n{\n" 466 . "#line 1 \"$path\"\n{\n"
451 . (do { local $/; <$fh> }) 467 . (do { local $/; <$fh> })
452 . "\n};\n1"; 468 . "\n};\n1";
453 469
454 eval $source or die "$path: $@"; 470 eval $source or die "$path: $@";
464 local $TERM = shift; 480 local $TERM = shift;
465 my $htype = shift; 481 my $htype = shift;
466 482
467 if ($htype == 0) { # INIT 483 if ($htype == 0) { # INIT
468 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); 484 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
469 485
470 for my $ext (map { split /:/, $TERM->resource ("perl_ext_$_") } 1, 2) { 486 my @ext = (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2);
471 my @files = grep -f $_, map "$_/$ext", @dirs;
472 487
473 if (@files) { 488 while (@ext) {
474 register_package script_package $files[0]; 489 my $ext = shift @ext;
490 if ($ext eq "default") {
491 unshift @ext, qw(selection);
475 } else { 492 } else {
493 my @files = grep -f $_, map "$_/$ext", @dirs;
494
495 if (@files) {
496 register_package extension_package $files[0];
497 } else {
476 warn "perl extension '$ext' not found in perl library search path\n"; 498 warn "perl extension '$ext' not found in perl library search path\n";
499 }
477 } 500 }
478 } 501 }
479 } 502 }
480 503
481 $retval = undef; 504 $retval = undef;
485 if $verbosity >= 10; 508 if $verbosity >= 10;
486 509
487 keys %$cb; 510 keys %$cb;
488 511
489 while (my ($pkg, $cb) = each %$cb) { 512 while (my ($pkg, $cb) = each %$cb) {
513 eval {
490 $retval = $cb->( 514 $retval = $cb->(
491 $TERM->{_pkg}{$pkg} ||= do { 515 $TERM->{_pkg}{$pkg} ||= do {
492 my $proxy = bless { }, urxvt::term::proxy::; 516 my $proxy = bless { }, $pkg;
493 Scalar::Util::weaken ($proxy->{term} = $TERM); 517 Scalar::Util::weaken ($proxy->{term} = $TERM);
494 $proxy 518 $proxy
495 }, 519 },
496 @_, 520 @_,
497 ) and last; 521 ) and last;
522 };
523 warn $@ if $@;#d#
498 } 524 }
499 } 525 }
500 526
501 if ($htype == 1) { # DESTROY 527 if ($htype == 1) { # DESTROY
502 # remove hooks if unused 528 # remove hooks if unused
530 } or die "FATAL: unable to compile method forwarder: $@"; 556 } or die "FATAL: unable to compile method forwarder: $@";
531 557
532 goto &$urxvt::term::proxy::AUTOLOAD; 558 goto &$urxvt::term::proxy::AUTOLOAD;
533} 559}
534 560
561sub urxvt::destroy_hook::DESTROY {
562 ${$_[0]}->();
563}
564
565sub urxvt::destroy_hook(&) {
566 bless \shift, urxvt::destroy_hook::
567}
568
535=head2 The C<urxvt::term> Class 569=head2 The C<urxvt::term> Class
536 570
537=over 4 571=over 4
538 572
539=item $term->destroy 573=item $term->destroy
540 574
541Destroy 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
542 592
543=item $value = $term->resource ($name[, $newval]) 593=item $value = $term->resource ($name[, $newval])
544 594
545Returns the current resource value associated with a given name and 595Returns the current resource value associated with a given name and
546optionally 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>
556 606
557Please note that resource strings will currently only be freed when the 607Please note that resource strings will currently only be freed when the
558terminal is destroyed, so changing options frequently will eat memory. 608terminal is destroyed, so changing options frequently will eat memory.
559 609
560Here 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
561are 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>
562list: 612to see the actual list:
563 613
564 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont 614 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
565 borderLess color cursorBlink cursorUnderline cutchars delete_key 615 borderLess color cursorBlink cursorUnderline cutchars delete_key
566 display_name embed ext_bwidth fade font geometry hold iconName 616 display_name embed ext_bwidth fade font geometry hold iconName
567 imFont imLocale inputMethod insecure int_bwidth intensityStyles 617 imFont imLocale inputMethod insecure int_bwidth intensityStyles
577=cut 627=cut
578 628
579sub urxvt::term::resource($$;$) { 629sub urxvt::term::resource($$;$) {
580 my ($self, $name) = (shift, shift); 630 my ($self, $name) = (shift, shift);
581 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0); 631 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
582 goto &urxvt::term::_resource; 632 &urxvt::term::_resource
583} 633}
584 634
585=item $rend = $term->rstyle ([$new_rstyle]) 635=item $rend = $term->rstyle ([$new_rstyle])
586 636
587Return and optionally change the current rendition. Text that is output by 637Return and optionally change the current rendition. Text that is output by
663 713
664If hidden, display the overlay again. 714If hidden, display the overlay again.
665 715
666=back 716=back
667 717
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
668=item $cellwidth = $term->strwidth ($string) 745=item $cellwidth = $term->strwidth ($string)
669 746
670Returns the number of screen-cells this string would need. Correctly 747Returns the number of screen-cells this string would need. Correctly
671accounts for wide and combining characters. 748accounts for wide and combining characters.
672 749
732=item $nrow_plus_saveLines = $term->total_rows 809=item $nrow_plus_saveLines = $term->total_rows
733 810
734=item $lines_in_scrollback = $term->nsaved 811=item $lines_in_scrollback = $term->nsaved
735 812
736Return 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.
737 823
738=item $view_start = $term->view_start ([$newvalue]) 824=item $view_start = $term->view_start ([$newvalue])
739 825
740Returns the negative row number of the topmost line. Minimum value is 826Returns the negative row number of the topmost line. Minimum value is
741C<0>, which displays the normal terminal contents. Larger values scroll 827C<0>, which displays the normal terminal contents. Larger values scroll
922 1008
923Converts rxvt-unicodes text reprsentation into a perl string. See 1009Converts rxvt-unicodes text reprsentation into a perl string. See
924C<< $term->ROW_t >> for details. 1010C<< $term->ROW_t >> for details.
925 1011
926=back 1012=back
1013
1014=head2 The C<urxvt::popup> Class
1015
1016=over 4
1017
1018=cut
1019
1020package urxvt::popup;
1021
1022sub add_item {
1023 my ($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}
927 1066
928=head2 The C<urxvt::timer> Class 1067=head2 The C<urxvt::timer> Class
929 1068
930This class implements timer watchers/events. Time is represented as a 1069This class implements timer watchers/events. Time is represented as a
931fractional number of seconds since the epoch. Example: 1070fractional number of seconds since the epoch. Example:

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines