+ int const y_bar = change_running.deleted() ?
+ yo_ - fm.maxAscent() / 3 : yo_ + line_offset_;
+ pi_.pain.line(change_last_x, y_bar, int(x_), y_bar,
+ change_running.color(), Painter::line_solid, line_thickness_);
+ change_running.setUnchanged();
+ }
+}
+
+
+void RowPainter::paintSelection()
+{
+ if (!row_.selection())
+ return;
+ Cursor const & curs = pi_.base.bv->cursor();
+ 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 = text_metrics_.cursorX(beg.top(), begin_boundary);
+ int x2 = text_metrics_.cursorX(end.top(), end_boundary);
+ int const y1 = yo_ - row_.ascent();
+ int const y2 = y1 + row_.height();
+
+ int const rm = text_.isMainText() ? pi_.base.bv->rightMargin() : 0;
+ int const lm = text_.isMainText() ? pi_.base.bv->leftMargin() : 0;
+
+ // draw the margins
+ if (row_.begin_margin_sel) {
+ if (text_.isRTL(beg.paragraph())) {
+ pi_.pain.fillRectangle(int(xo_ + x1), y1,
+ text_metrics_.width() - rm - x1, y2 - y1, Color_selection);
+ } else {
+ pi_.pain.fillRectangle(int(xo_ + lm), y1, x1 - lm, y2 - y1,
+ Color_selection);
+ }
+ }
+
+ if (row_.end_margin_sel) {
+ if (text_.isRTL(beg.paragraph())) {
+ pi_.pain.fillRectangle(int(xo_ + lm), y1, x2 - lm, y2 - y1,
+ Color_selection);
+ } else {
+ pi_.pain.fillRectangle(int(xo_ + x2), y1, text_metrics_.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 (text_metrics_.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 = text_metrics_.cursorX(cur.top(), cur.boundary());
+ }
+
+ if (!(cur < end) || draw_now) {
+ x2 = text_metrics_.cursorX(cur.top(), cur.boundary());
+ pi_.pain.fillRectangle(int(xo_ + 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;
+ }
+ }
+}
+
+
+void RowPainter::paintInlineCompletion(Font const & font)
+{
+ docstring completion = pi_.base.bv->inlineCompletion();
+ FontInfo f = font.fontInfo();
+ bool rtl = font.isRightToLeft();
+
+ // draw the unique and the non-unique completion part
+ // Note: this is not time-critical as it is
+ // only done once per screen.
+ size_t uniqueTo = pi_.base.bv->inlineCompletionUniqueChars();
+ docstring s1 = completion.substr(0, uniqueTo);
+ docstring s2 = completion.substr(uniqueTo);
+ ColorCode c1 = Color_inlinecompletion;
+ ColorCode c2 = Color_nonunique_inlinecompletion;
+
+ // right to left?
+ if (rtl) {
+ swap(s1, s2);
+ swap(c1, c2);
+ }
+
+ if (s1.size() > 0) {
+ f.setColor(c1);
+ pi_.pain.text(int(x_), yo_, s1, f);
+ x_ += theFontMetrics(font).width(s1);
+ }
+
+ if (s2.size() > 0) {
+ f.setColor(c2);
+ pi_.pain.text(int(x_), yo_, s2, f);
+ x_ += theFontMetrics(font).width(s2);