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root |
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#! perl |
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# |
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# problems with this implementation include |
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# |
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# - primary, secondary, teriary is NOT different to other hilighting |
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# - if rend values are missing, they are not interpolated |
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# |
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my $SIZEOF_LONG = length pack "l!", 0; |
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sub refresh { |
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my ($self) = @_; |
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delete $self->{overlay}; |
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my $text = $self->{text}; |
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return unless length $text; |
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my ($row, $col) = $self->screen_cur; |
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my $idx = 0; |
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my @rend = map { |
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my $rstyle = $self->{caret} == $idx ? urxvt::OVERLAY_RSTYLE : $self->rstyle; |
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$rstyle |= urxvt::RS_Uline if $_ & (urxvt::XIMUnderline | urxvt::XIMPrimary); |
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$rstyle |= urxvt::RS_RVid if $_ & (urxvt::XIMReverse | urxvt::XIMSecondary); |
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$rstyle |= urxvt::RS_Blink if $_ & (urxvt::XIMHighlight | urxvt::XIMTertiary); |
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($rstyle) x ($self->strwidth (substr $text, $idx++, 1)) |
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} unpack "l!*", $self->{rend}; |
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if ($self->{caret} >= length $text) { |
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$text .= " "; |
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push @rend, urxvt::OVERLAY_RSTYLE; |
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} |
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$self->{overlay} = $self->overlay ($col, $row, $self->strwidth ($text), 1, $self->rstyle, 0); |
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$self->{overlay}->set (0, 0, $self->special_encode ($text), \@rend); |
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} |
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sub on_xim_preedit_start { |
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my ($self) = @_; |
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() |
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} |
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sub on_xim_preedit_done { |
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my ($self) = @_; |
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delete $self->{overlay}; |
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delete $self->{text}; |
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delete $self->{rend}; |
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() |
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} |
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sub on_xim_preedit_caret { |
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my ($self, $pos, $dir, $style) = @_; |
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warn "preedit_caret(@_)\n"; |
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() |
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} |
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sub on_xim_preedit_draw { |
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my ($self, $caret, $pos, $len, $feedback, $chars) = @_; |
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$self->{caret} = $caret; |
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substr $self->{rend}, $pos * $SIZEOF_LONG, $len * $SIZEOF_LONG, $feedback; |
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substr $self->{text}, $pos , $len , $chars if defined $feedback || !defined $chars; |
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$self->refresh; |
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() |
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} |
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