-
-// FIXME: only take care of one row!
-void TextMetrics::drawSelection(PainterInfo & pi,
- DocIterator const & beg, DocIterator const & end, int x) const
-{
- ParagraphMetrics const & pm1 = parMetrics(beg.pit());
- ParagraphMetrics const & pm2 = parMetrics(end.pit());
- Row const & row1 = pm1.getRow(beg.pos(), beg.boundary());
- Row const & row2 = pm2.getRow(end.pos(), end.boundary());
-
- // clip above
- int middleTop;
- bool const clipAbove = (bv_->cursorStatus(beg) == CUR_ABOVE);
- if (clipAbove)
- middleTop = 0;
- else
- middleTop = bv_->getPos(beg, beg.boundary()).y_ + row1.descent();
-
- // clip below
- int middleBottom;
- bool const clipBelow = (bv_->cursorStatus(end) == CUR_BELOW);
- if (clipBelow)
- middleBottom = bv_->workHeight();
- else
- middleBottom = bv_->getPos(end, end.boundary()).y_ - row2.ascent();
-
- // start and end in the same line?
- if (!clipAbove && !clipBelow && &row1 == &row2)
- // then only draw this row's selection
- drawRowSelection(pi, x, row1, beg, end, false, false);
- else {
- if (!clipAbove) {
- // get row end
- DocIterator begRowEnd = beg;
- begRowEnd.pos() = row1.endpos();
- begRowEnd.boundary(true);
-
- // draw upper rectangle
- drawRowSelection(pi, x, row1, beg, begRowEnd, false, true);
- }
-
- if (middleTop < middleBottom) {
- // draw middle rectangle
- pi.pain.fillRectangle(x, middleTop, width(), middleBottom - middleTop,
- Color::selection);
- }
-
- if (!clipBelow) {
- // get row begin
- DocIterator endRowBeg = end;
- endRowBeg.pos() = row2.pos();
- endRowBeg.boundary(false);
-
- // draw low rectangle
- drawRowSelection(pi, x, row2, endRowBeg, end, true, false);
- }
- }