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 1.22 by root, Tue Jan 3 19:10:54 2006 UTC vs.
Revision 1.23 by root, Tue Jan 3 19:42:53 2006 UTC

71=head2 General API Considerations 71=head2 General API Considerations
72 72
73All objects (such as terminals, time watchers etc.) are typical 73All objects (such as terminals, time watchers etc.) are typical
74reference-to-hash objects. The hash can be used to store anything you 74reference-to-hash objects. The hash can be used to store anything you
75like. All members starting with an underscore (such as C<_ptr> or 75like. All members starting with an underscore (such as C<_ptr> or
76C<_hook>) are reserved for internal uses and must not be accessed or 76C<_hook>) are reserved for internal uses and B<MUST NOT> be accessed or
77modified). 77modified).
78 78
79When objects are destroyed on the C++ side, the perl object hashes are 79When objects are destroyed on the C++ side, the perl object hashes are
80emptied, so its best to store related objects such as time watchers and 80emptied, so its best to store related objects such as time watchers and
81the like inside the terminal object so they get destroyed as soon as the 81the like inside the terminal object so they get destroyed as soon as the
82terminal is destroyed. 82terminal is destroyed.
83 83
84=head2 Hooks 84=head2 Hooks
85 85
86The following subroutines can be declared in loaded scripts, and will be called 86The following subroutines can be declared in loaded scripts, and will be
87whenever the relevant event happens. 87called whenever the relevant event happens.
88
89The first argument passed to them is an object private to each terminal
90and extension package. You can call all C<urxvt::term> methods on it, but
91its not a real C<urxvt::term> object. Instead, the real C<urxvt::term>
92object that is shared between all packages is stored in the C<term>
93member.
88 94
89All of them must return a boolean value. If it is true, then the event 95All of them must return a boolean value. If it is true, then the event
90counts as being I<consumed>, and the invocation of other hooks is skipped, 96counts as being I<consumed>, and the invocation of other hooks is skipped,
91and the relevant action might not be carried out by the C++ code. 97and the relevant action might not be carried out by the C++ code.
92 98
183C<perl:string> action bound to it (see description of the B<keysym> 189C<perl:string> action bound to it (see description of the B<keysym>
184resource in the @@RXVT_NAME@@(1) manpage). 190resource in the @@RXVT_NAME@@(1) manpage).
185 191
186=back 192=back
187 193
194=head2 Variables in the C<urxvt> Package
195
196=over 4
197
198=item $urxvt::TERM
199
200The current terminal. Whenever a callback/Hook is bein executed, this
201variable stores the current C<urxvt::term> object.
202
203=back
204
188=head2 Functions in the C<urxvt> Package 205=head2 Functions in the C<urxvt> Package
189 206
190=over 4 207=over 4
191 208
192=item urxvt::fatal $errormessage 209=item urxvt::fatal $errormessage
265=cut 282=cut
266 283
267package urxvt; 284package urxvt;
268 285
269use strict; 286use strict;
287use Scalar::Util ();
270 288
271our $term; 289our $TERM;
272our @HOOKNAME; 290our @HOOKNAME;
273our $LIBDIR; 291our $LIBDIR;
274 292
275BEGIN { 293BEGIN {
276 urxvt->bootstrap; 294 urxvt->bootstrap;
301 my $name = $HOOKNAME[$htype]; 319 my $name = $HOOKNAME[$htype];
302 320
303 my $ref = $pkg->can ("on_" . lc $name) 321 my $ref = $pkg->can ("on_" . lc $name)
304 or next; 322 or next;
305 323
306 $term->{_hook}[$htype]{$ref*1} = $ref; 324 $TERM->{_hook}[$htype]{$pkg} = $ref;
307 $hook_count[$htype]++ 325 $hook_count[$htype]++
308 or set_should_invoke $htype, 1; 326 or set_should_invoke $htype, 1;
309 } 327 }
310} 328}
311 329
335 } 353 }
336} 354}
337 355
338# called by the rxvt core 356# called by the rxvt core
339sub invoke { 357sub invoke {
340 local $term = shift; 358 local $TERM = shift;
341 my $htype = shift; 359 my $htype = shift;
342 360
343 if ($htype == 0) { # INIT 361 if ($htype == 0) { # INIT
344 my @dirs = ((split /:/, $term->resource ("perl_lib")), "$LIBDIR/perl"); 362 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
345 363
346 for my $ext (split /:/, $term->resource ("perl_ext")) { 364 for my $ext (split /:/, $TERM->resource ("perl_ext")) {
347 my @files = grep -f $_, map "$_/$ext", @dirs; 365 my @files = grep -f $_, map "$_/$ext", @dirs;
348 366
349 if (@files) { 367 if (@files) {
350 register_package script_package $files[0]; 368 register_package script_package $files[0];
351 } else { 369 } else {
352 warn "perl extension '$ext' not found in perl library search path\n"; 370 warn "perl extension '$ext' not found in perl library search path\n";
353 } 371 }
354 } 372 }
355 373
356 } elsif ($htype == 1) { # DESTROY 374 } elsif ($htype == 1) { # DESTROY
357 if (my $hook = $term->{_hook}) { 375 if (my $hook = $TERM->{_hook}) {
358 for my $htype (0..$#$hook) { 376 for my $htype (0..$#$hook) {
359 $hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} } 377 $hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
360 or set_should_invoke $htype, 0; 378 or set_should_invoke $htype, 0;
361 } 379 }
362 } 380 }
363 } 381 }
364 382
365 my $cb = $term->{_hook}[$htype] 383 my $cb = $TERM->{_hook}[$htype]
366 or return; 384 or return;
367 385
368 verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $term, @_) . ")" 386 verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
369 if $verbosity >= 10; 387 if $verbosity >= 10;
370 388
371 while (my ($k, $v) = each %$cb) { 389 while (my ($pkg, $cb) = each %$cb) {
372 return 1 if $v->($term, @_); 390 return 1
391 if $cb->(
392 $TERM->{$pkg} ||= do {
393 my $proxy = bless { }, urxvt::term::proxy::;
394 Scalar::Util::weaken ($proxy->{term} = $TERM);
395 $proxy
396 },
397 @_,
398 );
373 } 399 }
374 400
375 0 401 0
402}
403
404sub urxvt::term::proxy::AUTOLOAD {
405 $urxvt::term::proxy::AUTOLOAD =~ /:([^:]+)$/
406 or die "FATAL: \$AUTOLOAD '$urxvt::term::proxy::AUTOLOAD' unparsable";
407
408 eval qq{
409 sub $urxvt::term::proxy::AUTOLOAD {
410 unshift \@_, shift->{term};
411 goto &urxvt::term::$1;
412 }
413 1
414 } or die "FATAL: unable to compile method forwarder: $@";
415
416 goto &$urxvt::term::proxy::AUTOLOAD;
376} 417}
377 418
378=head2 The C<urxvt::term> Class 419=head2 The C<urxvt::term> Class
379 420
380=over 4 421=over 4

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines