[ViewVC] Diff of: cvs/rxvt-unicode/src/urxvt.pm

Comparing rxvt-unicode/src/urxvt.pm (file contents):
Revision 1.270 by root, Fri Nov 26 18:49:47 2021 UTC vs.
Revision 1.272 by root, Thu Dec 29 01:10:08 2022 UTC

 Works like the combination of the C<fork>/C<exec> builtins, which executes
 ("starts") programs in the background. This function takes care of setting
 the user environment before exec'ing the command (e.g. C<PATH>) and should
 be preferred over explicit calls to C<exec> or C<system>.
+It also sets the C<URXVT_EXT_WINDOWID> environment variable to the window
+ID of the terminal (C<< $self->parent >>), similar to the C<WINDOWID>
+variable set for the process spawned inside the terminal.
 Returns the pid of the subprocess or C<undef> on error.
 =cut
 sub exec_async {
    my $pid = fork;
    return $pid
       if !defined $pid or $pid;
+   %ENV = (
-   %ENV = %{ $self->env };
+      %{ $self->env },
+      URXVT_EXT_WINDOWID => $self->parent,
+   );
    exec @_;
    urxvt::_exit 255;
 }
       $offset / $self->{ncol} + $self->{beg},
       $offset % $self->{ncol}
    )
 }
-=item $text = $term->special_encode $string
+=item $text = $term->special_encode ($string)
 Converts a perl string into the special encoding used by rxvt-unicode,
 where one character corresponds to one screen cell. See
 C<< $term->ROW_t >> for details.
-=item $string = $term->special_decode $text
+=item $string = $term->special_decode ($text)
 Converts rxvt-unicode's text representation into a perl string. See
 C<< $term->ROW_t >> for details.
 =item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])

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