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Comparing rxvt-unicode/src/urxvt.pm (file contents):
Revision 1.20 by root, Tue Jan 3 04:18:47 2006 UTC vs.
Revision 1.23 by root, Tue Jan 3 19:42:53 2006 UTC

39 39
40=over 4 40=over 4
41 41
42=item selection 42=item selection
43 43
44Miscellaneous selection modifications. 44Intelligent selection. This etxension tries to be more intelligent when the user
45extends selections (double-click).
46
47It also offers the following bindable event:
45 48
46=over 4 49=over 4
47 50
48=item rot13 51=item rot13
49 52
68=head2 General API Considerations 71=head2 General API Considerations
69 72
70All objects (such as terminals, time watchers etc.) are typical 73All objects (such as terminals, time watchers etc.) are typical
71reference-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
72like. All members starting with an underscore (such as C<_ptr> or 75like. All members starting with an underscore (such as C<_ptr> or
73C<_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
74modified). 77modified).
75 78
76When 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
77emptied, 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
78the 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
79terminal is destroyed. 82terminal is destroyed.
80 83
81=head2 Hooks 84=head2 Hooks
82 85
83The following subroutines can be declared in loaded scripts, and will be called 86The following subroutines can be declared in loaded scripts, and will be
84whenever 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.
85 94
86All 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
87counts 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,
88and 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.
89 98
121Called whenever a selection has been copied, but before the selection is 130Called whenever a selection has been copied, but before the selection is
122requested from the server. The selection text can be queried and changed 131requested from the server. The selection text can be queried and changed
123by calling C<< $term->selection >>. 132by calling C<< $term->selection >>.
124 133
125Returning a true value aborts selection grabbing. It will still be hilighted. 134Returning a true value aborts selection grabbing. It will still be hilighted.
135
136=item on_sel_extend $term
137
138Called whenever the user tries to extend the selection (e.g. with a double
139click) and is either supposed to return false (normal operation), or
140should extend the selection itelf and return true to suppress the built-in
141processing.
142
143See the F<selection> example extension.
126 144
127=item on_focus_in $term 145=item on_focus_in $term
128 146
129Called whenever the window gets the keyboard focus, before urxvt does 147Called whenever the window gets the keyboard focus, before urxvt does
130focus in processing. 148focus in processing.
171C<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>
172resource in the @@RXVT_NAME@@(1) manpage). 190resource in the @@RXVT_NAME@@(1) manpage).
173 191
174=back 192=back
175 193
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
176=head2 Functions in the C<urxvt> Package 205=head2 Functions in the C<urxvt> Package
177 206
178=over 4 207=over 4
179 208
180=item urxvt::fatal $errormessage 209=item urxvt::fatal $errormessage
193correct place, e.g. on stderr of the connecting urxvtc client. 222correct place, e.g. on stderr of the connecting urxvtc client.
194 223
195=item $time = urxvt::NOW 224=item $time = urxvt::NOW
196 225
197Returns the "current time" (as per the event loop). 226Returns the "current time" (as per the event loop).
227
228=back
198 229
199=head2 RENDITION 230=head2 RENDITION
200 231
201Rendition bitsets contain information about colour, font, font styles and 232Rendition bitsets contain information about colour, font, font styles and
202similar information for each screen cell. 233similar information for each screen cell.
251=cut 282=cut
252 283
253package urxvt; 284package urxvt;
254 285
255use strict; 286use strict;
287use Scalar::Util ();
256 288
257our $term; 289our $TERM;
258our @HOOKNAME; 290our @HOOKNAME;
259our $LIBDIR; 291our $LIBDIR;
260 292
261BEGIN { 293BEGIN {
262 urxvt->bootstrap; 294 urxvt->bootstrap;
287 my $name = $HOOKNAME[$htype]; 319 my $name = $HOOKNAME[$htype];
288 320
289 my $ref = $pkg->can ("on_" . lc $name) 321 my $ref = $pkg->can ("on_" . lc $name)
290 or next; 322 or next;
291 323
292 $term->{_hook}[$htype]{$ref*1} = $ref; 324 $TERM->{_hook}[$htype]{$pkg} = $ref;
293 $hook_count[$htype]++ 325 $hook_count[$htype]++
294 or set_should_invoke $htype, 1; 326 or set_should_invoke $htype, 1;
295 } 327 }
296} 328}
297 329
321 } 353 }
322} 354}
323 355
324# called by the rxvt core 356# called by the rxvt core
325sub invoke { 357sub invoke {
326 local $term = shift; 358 local $TERM = shift;
327 my $htype = shift; 359 my $htype = shift;
328 360
329 if ($htype == 0) { # INIT 361 if ($htype == 0) { # INIT
330 my @dirs = ((split /:/, $term->resource ("perl_lib")), "$LIBDIR/perl"); 362 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
331 363
332 for my $ext (split /:/, $term->resource ("perl_ext")) { 364 for my $ext (split /:/, $TERM->resource ("perl_ext")) {
333 my @files = grep -f $_, map "$_/$ext", @dirs; 365 my @files = grep -f $_, map "$_/$ext", @dirs;
334 366
335 if (@files) { 367 if (@files) {
336 register_package script_package $files[0]; 368 register_package script_package $files[0];
337 } else { 369 } else {
338 warn "perl extension '$ext' not found in perl library search path\n"; 370 warn "perl extension '$ext' not found in perl library search path\n";
339 } 371 }
340 } 372 }
341 373
342 } elsif ($htype == 1) { # DESTROY 374 } elsif ($htype == 1) { # DESTROY
343 if (my $hook = $term->{_hook}) { 375 if (my $hook = $TERM->{_hook}) {
344 for my $htype (0..$#$hook) { 376 for my $htype (0..$#$hook) {
345 $hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} } 377 $hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
346 or set_should_invoke $htype, 0; 378 or set_should_invoke $htype, 0;
347 } 379 }
348 } 380 }
349 } 381 }
350 382
351 my $cb = $term->{_hook}[$htype] 383 my $cb = $TERM->{_hook}[$htype]
352 or return; 384 or return;
353 385
354 verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $term, @_) . ")" 386 verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
355 if $verbosity >= 10; 387 if $verbosity >= 10;
356 388
357 while (my ($k, $v) = each %$cb) { 389 while (my ($pkg, $cb) = each %$cb) {
358 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 );
359 } 399 }
360 400
361 0 401 0
362} 402}
363 403
364=back 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;
417}
365 418
366=head2 The C<urxvt::term> Class 419=head2 The C<urxvt::term> Class
367 420
368=over 4 421=over 4
369 422
461right/bottom side, respectively. 514right/bottom side, respectively.
462 515
463This method returns an urxvt::overlay object. The overlay will be visible 516This method returns an urxvt::overlay object. The overlay will be visible
464as long as the perl object is referenced. 517as long as the perl object is referenced.
465 518
466Currently, the only method on the C<urxvt::overlay> object is C<set>: 519The methods currently supported on C<urxvt::overlay> objects are:
520
521=over 4
467 522
468=item $overlay->set ($x, $y, $text, $rend) 523=item $overlay->set ($x, $y, $text, $rend)
469 524
470Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts 525Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts
471text in rxvt-unicode's special encoding and an array of rendition values 526text in rxvt-unicode's special encoding and an array of rendition values
472at a specific position inside the overlay. 527at a specific position inside the overlay.
528
529=item $overlay->hide
530
531If visible, hide the overlay, but do not destroy it.
532
533=item $overlay->show
534
535If hidden, display the overlay again.
536
537=back
473 538
474=item $cellwidth = $term->strwidth $string 539=item $cellwidth = $term->strwidth $string
475 540
476Returns the number of screen-cells this string would need. Correctly 541Returns the number of screen-cells this string would need. Correctly
477accounts for wide and combining characters. 542accounts for wide and combining characters.

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