-void TextMetrics::drawRowSelection(PainterInfo & pi, int x, Row const & row,
- Cursor const & curs, pit_type pit) const
-{
- DocIterator beg = curs.selectionBegin();
- beg.pit() = pit;
- beg.pos() = row.sel_beg;
-
- DocIterator end = curs.selectionEnd();
- end.pit() = pit;
- end.pos() = row.sel_end;
-
- bool const begin_boundary = beg.pos() >= row.endpos();
- bool const end_boundary = row.sel_end == row.endpos();
-
- DocIterator cur = beg;
- cur.boundary(begin_boundary);
- int x1 = cursorX(beg.top(), begin_boundary);
- int x2 = cursorX(end.top(), end_boundary);
- int const y1 = bv_->getPos(cur, cur.boundary()).y_ - row.ascent();
- int const y2 = y1 + row.height();
-
- int const rm = text_->isMainText() ? bv_->rightMargin() : 0;
- int const lm = text_->isMainText() ? bv_->leftMargin() : 0;
-
- // draw the margins
- if (row.begin_margin_sel) {
- if (text_->isRTL(beg.paragraph())) {
- pi.pain.fillRectangle(x + x1, y1, width() - rm - x1, y2 - y1,
- Color_selection);
- } else {
- pi.pain.fillRectangle(x + lm, y1, x1 - lm, y2 - y1,
- Color_selection);
- }
- }
-
- if (row.end_margin_sel) {
- if (text_->isRTL(beg.paragraph())) {
- pi.pain.fillRectangle(x + lm, y1, x2 - lm, y2 - y1,
- Color_selection);
- } else {
- pi.pain.fillRectangle(x + x2, y1, width() - rm - x2, y2 - y1,
- Color_selection);
- }
- }
-
- // if we are on a boundary from the beginning, it's probably
- // a RTL boundary and we jump to the other side directly as this
- // segement is 0-size and confuses the logic below
- if (cur.boundary())
- cur.boundary(false);
-
- // go through row and draw from RTL boundary to RTL boundary
- while (cur < end) {
- bool draw_now = false;
-
- // simplified cursorForward code below which does not
- // descend into insets and which does not go into the
- // next line. Compare the logic with the original cursorForward
-
- // if left of boundary -> just jump to right side, but
- // for RTL boundaries don't, because: abc|DDEEFFghi -> abcDDEEF|Fghi
- if (cur.boundary()) {
- cur.boundary(false);
- } else if (isRTLBoundary(cur.pit(), cur.pos() + 1)) {
- // in front of RTL boundary -> Stay on this side of the boundary
- // because: ab|cDDEEFFghi -> abc|DDEEFFghi
- ++cur.pos();
- cur.boundary(true);
- draw_now = true;
- } else {
- // move right
- ++cur.pos();
-
- // line end?
- if (cur.pos() == row.endpos())
- cur.boundary(true);
- }
-
- if (x1 == -1) {
- // the previous segment was just drawn, now the next starts
- x1 = cursorX(cur.top(), cur.boundary());
- }
-
- if (!(cur < end) || draw_now) {
- x2 = cursorX(cur.top(), cur.boundary());
- pi.pain.fillRectangle(x + min(x1,x2), y1, abs(x2 - x1), y2 - y1,
- Color_selection);
-
- // reset x1, so it is set again next round (which will be on the
- // right side of a boundary or at the selection end)
- x1 = -1;
- }
- }
-}
-
-