… | |
… | |
39 | |
39 | |
40 | =over 4 |
40 | =over 4 |
41 | |
41 | |
42 | =item selection |
42 | =item selection |
43 | |
43 | |
44 | Miscellaneous selection modifications. |
44 | Intelligent selection. This etxension tries to be more intelligent when the user |
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45 | extends selections (double-click). |
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46 | |
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47 | It 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 | |
70 | All objects (such as terminals, time watchers etc.) are typical |
73 | All objects (such as terminals, time watchers etc.) are typical |
71 | reference-to-hash objects. The hash can be used to store anything you |
74 | reference-to-hash objects. The hash can be used to store anything you |
72 | like. All members starting with an underscore (such as C<_ptr> or |
75 | like. All members starting with an underscore (such as C<_ptr> or |
73 | C<_hook>) are reserved for internal uses and must not be accessed or |
76 | C<_hook>) are reserved for internal uses and B<MUST NOT> be accessed or |
74 | modified). |
77 | modified). |
75 | |
78 | |
76 | When objects are destroyed on the C++ side, the perl object hashes are |
79 | When objects are destroyed on the C++ side, the perl object hashes are |
77 | emptied, so its best to store related objects such as time watchers and |
80 | emptied, so its best to store related objects such as time watchers and |
78 | the like inside the terminal object so they get destroyed as soon as the |
81 | the like inside the terminal object so they get destroyed as soon as the |
79 | terminal is destroyed. |
82 | terminal is destroyed. |
80 | |
83 | |
81 | =head2 Hooks |
84 | =head2 Hooks |
82 | |
85 | |
83 | The following subroutines can be declared in loaded scripts, and will be called |
86 | The following subroutines can be declared in loaded scripts, and will be |
84 | whenever the relevant event happens. |
87 | called whenever the relevant event happens. |
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88 | |
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89 | The first argument passed to them is an object private to each terminal |
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90 | and extension package. You can call all C<urxvt::term> methods on it, but |
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91 | its not a real C<urxvt::term> object. Instead, the real C<urxvt::term> |
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92 | object that is shared between all packages is stored in the C<term> |
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93 | member. |
85 | |
94 | |
86 | All of them must return a boolean value. If it is true, then the event |
95 | All of them must return a boolean value. If it is true, then the event |
87 | counts as being I<consumed>, and the invocation of other hooks is skipped, |
96 | counts as being I<consumed>, and the invocation of other hooks is skipped, |
88 | and the relevant action might not be carried out by the C++ code. |
97 | and the relevant action might not be carried out by the C++ code. |
89 | |
98 | |
… | |
… | |
121 | Called whenever a selection has been copied, but before the selection is |
130 | Called whenever a selection has been copied, but before the selection is |
122 | requested from the server. The selection text can be queried and changed |
131 | requested from the server. The selection text can be queried and changed |
123 | by calling C<< $term->selection >>. |
132 | by calling C<< $term->selection >>. |
124 | |
133 | |
125 | Returning a true value aborts selection grabbing. It will still be hilighted. |
134 | Returning a true value aborts selection grabbing. It will still be hilighted. |
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135 | |
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136 | =item on_sel_extend $term |
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137 | |
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138 | Called whenever the user tries to extend the selection (e.g. with a double |
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139 | click) and is either supposed to return false (normal operation), or |
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140 | should extend the selection itelf and return true to suppress the built-in |
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141 | processing. |
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142 | |
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143 | See the F<selection> example extension. |
126 | |
144 | |
127 | =item on_focus_in $term |
145 | =item on_focus_in $term |
128 | |
146 | |
129 | Called whenever the window gets the keyboard focus, before urxvt does |
147 | Called whenever the window gets the keyboard focus, before urxvt does |
130 | focus in processing. |
148 | focus in processing. |
… | |
… | |
171 | C<perl:string> action bound to it (see description of the B<keysym> |
189 | C<perl:string> action bound to it (see description of the B<keysym> |
172 | resource in the @@RXVT_NAME@@(1) manpage). |
190 | resource in the @@RXVT_NAME@@(1) manpage). |
173 | |
191 | |
174 | =back |
192 | =back |
175 | |
193 | |
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194 | =head2 Variables in the C<urxvt> Package |
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195 | |
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196 | =over 4 |
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197 | |
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198 | =item $urxvt::TERM |
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199 | |
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200 | The current terminal. Whenever a callback/Hook is bein executed, this |
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201 | variable stores the current C<urxvt::term> object. |
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202 | |
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203 | =back |
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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 |
… | |
… | |
253 | =cut |
282 | =cut |
254 | |
283 | |
255 | package urxvt; |
284 | package urxvt; |
256 | |
285 | |
257 | use strict; |
286 | use strict; |
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287 | use Scalar::Util (); |
258 | |
288 | |
259 | our $term; |
289 | our $TERM; |
260 | our @HOOKNAME; |
290 | our @HOOKNAME; |
261 | our $LIBDIR; |
291 | our $LIBDIR; |
262 | |
292 | |
263 | BEGIN { |
293 | BEGIN { |
264 | urxvt->bootstrap; |
294 | urxvt->bootstrap; |
… | |
… | |
289 | my $name = $HOOKNAME[$htype]; |
319 | my $name = $HOOKNAME[$htype]; |
290 | |
320 | |
291 | my $ref = $pkg->can ("on_" . lc $name) |
321 | my $ref = $pkg->can ("on_" . lc $name) |
292 | or next; |
322 | or next; |
293 | |
323 | |
294 | $term->{_hook}[$htype]{$ref*1} = $ref; |
324 | $TERM->{_hook}[$htype]{$pkg} = $ref; |
295 | $hook_count[$htype]++ |
325 | $hook_count[$htype]++ |
296 | or set_should_invoke $htype, 1; |
326 | or set_should_invoke $htype, 1; |
297 | } |
327 | } |
298 | } |
328 | } |
299 | |
329 | |
… | |
… | |
323 | } |
353 | } |
324 | } |
354 | } |
325 | |
355 | |
326 | # called by the rxvt core |
356 | # called by the rxvt core |
327 | sub invoke { |
357 | sub invoke { |
328 | local $term = shift; |
358 | local $TERM = shift; |
329 | my $htype = shift; |
359 | my $htype = shift; |
330 | |
360 | |
331 | if ($htype == 0) { # INIT |
361 | if ($htype == 0) { # INIT |
332 | my @dirs = ((split /:/, $term->resource ("perl_lib")), "$LIBDIR/perl"); |
362 | my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); |
333 | |
363 | |
334 | for my $ext (split /:/, $term->resource ("perl_ext")) { |
364 | for my $ext (split /:/, $TERM->resource ("perl_ext")) { |
335 | my @files = grep -f $_, map "$_/$ext", @dirs; |
365 | my @files = grep -f $_, map "$_/$ext", @dirs; |
336 | |
366 | |
337 | if (@files) { |
367 | if (@files) { |
338 | register_package script_package $files[0]; |
368 | register_package script_package $files[0]; |
339 | } else { |
369 | } else { |
340 | warn "perl extension '$ext' not found in perl library search path\n"; |
370 | warn "perl extension '$ext' not found in perl library search path\n"; |
341 | } |
371 | } |
342 | } |
372 | } |
343 | |
373 | |
344 | } elsif ($htype == 1) { # DESTROY |
374 | } elsif ($htype == 1) { # DESTROY |
345 | if (my $hook = $term->{_hook}) { |
375 | if (my $hook = $TERM->{_hook}) { |
346 | for my $htype (0..$#$hook) { |
376 | for my $htype (0..$#$hook) { |
347 | $hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} } |
377 | $hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} } |
348 | or set_should_invoke $htype, 0; |
378 | or set_should_invoke $htype, 0; |
349 | } |
379 | } |
350 | } |
380 | } |
351 | } |
381 | } |
352 | |
382 | |
353 | my $cb = $term->{_hook}[$htype] |
383 | my $cb = $TERM->{_hook}[$htype] |
354 | or return; |
384 | or return; |
355 | |
385 | |
356 | verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $term, @_) . ")" |
386 | verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")" |
357 | if $verbosity >= 10; |
387 | if $verbosity >= 10; |
358 | |
388 | |
359 | while (my ($k, $v) = each %$cb) { |
389 | while (my ($pkg, $cb) = each %$cb) { |
360 | return 1 if $v->($term, @_); |
390 | return 1 |
|
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391 | if $cb->( |
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392 | $TERM->{$pkg} ||= do { |
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393 | my $proxy = bless { }, urxvt::term::proxy::; |
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394 | Scalar::Util::weaken ($proxy->{term} = $TERM); |
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395 | $proxy |
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396 | }, |
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397 | @_, |
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398 | ); |
361 | } |
399 | } |
362 | |
400 | |
363 | 0 |
401 | 0 |
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402 | } |
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403 | |
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404 | sub urxvt::term::proxy::AUTOLOAD { |
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405 | $urxvt::term::proxy::AUTOLOAD =~ /:([^:]+)$/ |
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406 | or die "FATAL: \$AUTOLOAD '$urxvt::term::proxy::AUTOLOAD' unparsable"; |
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407 | |
|
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408 | eval qq{ |
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409 | sub $urxvt::term::proxy::AUTOLOAD { |
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410 | unshift \@_, shift->{term}; |
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411 | goto &urxvt::term::$1; |
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412 | } |
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413 | 1 |
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414 | } or die "FATAL: unable to compile method forwarder: $@"; |
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415 | |
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416 | goto &$urxvt::term::proxy::AUTOLOAD; |
364 | } |
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 |
… | |
… | |
461 | right/bottom side, respectively. |
514 | right/bottom side, respectively. |
462 | |
515 | |
463 | This method returns an urxvt::overlay object. The overlay will be visible |
516 | This method returns an urxvt::overlay object. The overlay will be visible |
464 | as long as the perl object is referenced. |
517 | as long as the perl object is referenced. |
465 | |
518 | |
466 | Currently, the only method on the C<urxvt::overlay> object is C<set>: |
519 | The methods currently supported on C<urxvt::overlay> objects are: |
|
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520 | |
|
|
521 | =over 4 |
467 | |
522 | |
468 | =item $overlay->set ($x, $y, $text, $rend) |
523 | =item $overlay->set ($x, $y, $text, $rend) |
469 | |
524 | |
470 | Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts |
525 | Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts |
471 | text in rxvt-unicode's special encoding and an array of rendition values |
526 | text in rxvt-unicode's special encoding and an array of rendition values |
472 | at a specific position inside the overlay. |
527 | at a specific position inside the overlay. |
|
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528 | |
|
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529 | =item $overlay->hide |
|
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530 | |
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531 | If visible, hide the overlay, but do not destroy it. |
|
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532 | |
|
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533 | =item $overlay->show |
|
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534 | |
|
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535 | If hidden, display the overlay again. |
|
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536 | |
|
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537 | =back |
473 | |
538 | |
474 | =item $cellwidth = $term->strwidth $string |
539 | =item $cellwidth = $term->strwidth $string |
475 | |
540 | |
476 | Returns the number of screen-cells this string would need. Correctly |
541 | Returns the number of screen-cells this string would need. Correctly |
477 | accounts for wide and combining characters. |
542 | accounts for wide and combining characters. |