X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FRowPainter.cpp;h=2d7e12c445e2bb8d22efe7af6f969459d1e93580;hb=cc2835392294fb1e82a89b2ec3803f78c9183f18;hp=1c74107296a0a7176ee38c4ffc7f3b41a57739f8;hpb=038f003be671995e7c60b2be884c7799303ca840;p=lyx.git diff --git a/src/RowPainter.cpp b/src/RowPainter.cpp index 1c74107296..2d7e12c445 100644 --- a/src/RowPainter.cpp +++ b/src/RowPainter.cpp @@ -26,7 +26,6 @@ #include "Row.h" #include "MetricsInfo.h" #include "Paragraph.h" -#include "ParagraphMetrics.h" #include "ParagraphParameters.h" #include "TextMetrics.h" #include "VSpace.h" @@ -45,6 +44,8 @@ #include "support/lassert.h" #include +#include + using namespace std; namespace lyx { @@ -54,40 +55,21 @@ using frontend::FontMetrics; RowPainter::RowPainter(PainterInfo & pi, - Text const & text, pit_type pit, Row const & row, int x, int y) + Text const & text, Row const & row, int x, int y) : pi_(pi), text_(text), - text_metrics_(pi_.base.bv->textMetrics(&text)), + tm_(pi_.base.bv->textMetrics(&text)), pars_(text.paragraphs()), - row_(row), pit_(pit), par_(text.paragraphs()[pit]), - pm_(text_metrics_.parMetrics(pit)), change_(pi_.change_), - xo_(x), yo_(y), width_(text_metrics_.width()), - solid_line_thickness_(1), solid_line_offset_(1), - dotted_line_thickness_(1), dotted_line_offset_(2) + row_(row), par_(text.paragraphs()[row.pit()]), + change_(pi_.change_), + xo_(x), yo_(y) { - if (lyxrc.zoom >= 200) { - // derive the line thickness from zoom factor - // the zoom is given in percent - // (increase thickness at 250%, 450% etc.) - solid_line_thickness_ = (lyxrc.zoom + 50) / 200; - // adjust line_offset_ too - solid_line_offset_ = 1 + solid_line_thickness_ / 2; - } - if (lyxrc.zoom >= 100) { - // derive the line thickness from zoom factor - // the zoom is given in percent - // (increase thickness at 150%, 250% etc.) - dotted_line_thickness_ = (lyxrc.zoom + 50) / 100; - // adjust line_offset_ too - dotted_line_offset_ = 1 + dotted_line_thickness_ / 2; - } - x_ = row_.left_margin + xo_; //lyxerr << "RowPainter: x: " << x_ << " xo: " << xo_ << " yo: " << yo_ << endl; //row_.dump(); - LBUFERR(pit >= 0); - LBUFERR(pit < int(text.paragraphs().size())); + LBUFERR(row.pit() >= 0); + LBUFERR(row.pit() < int(text.paragraphs().size())); } @@ -106,44 +88,36 @@ FontInfo RowPainter::labelFont() const // This draws green lines around each inset. -void RowPainter::paintInset(Inset const * inset, Font const & font, - Change const & change, - pos_type const pos) +void RowPainter::paintInset(Row::Element const & e) const { // Handle selection bool const pi_selected = pi_.selected; Cursor const & cur = pi_.base.bv->cursor(); if (cur.selection() && cur.text() == &text_ && cur.normalAnchor().text() == &text_) - pi_.selected = row_.sel_beg <= pos && row_.sel_end > pos; + pi_.selected = row_.sel_beg <= e.pos && row_.sel_end > e.pos; - LASSERT(inset, return); + LASSERT(e.inset, return); // Backup full_repaint status because some insets (InsetTabular) // requires a full repaint bool const pi_full_repaint = pi_.full_repaint; bool const pi_do_spellcheck = pi_.do_spellcheck; Change const pi_change = pi_.change_; - pi_.base.font = inset->inheritFont() ? font.fontInfo() : + pi_.base.font = e.inset->inheritFont() ? e.font.fontInfo() : pi_.base.bv->buffer().params().getFont().fontInfo(); - pi_.ltr_pos = !font.isVisibleRightToLeft(); - pi_.change_ = change_.changed() ? change_ : change; - pi_.do_spellcheck &= inset->allowSpellCheck(); + pi_.ltr_pos = !e.font.isVisibleRightToLeft(); + pi_.change_ = change_.changed() ? change_ : e.change; + pi_.do_spellcheck &= e.inset->allowSpellCheck(); int const x1 = int(x_); - pi_.base.bv->coordCache().insets().add(inset, x1, yo_); + pi_.base.bv->coordCache().insets().add(e.inset, x1, yo_); // insets are painted completely. Recursive // FIXME: it is wrong to completely paint the background // if we want to do single row painting. - inset->drawBackground(pi_, x1, yo_); - inset->drawSelection(pi_, x1, yo_); - inset->draw(pi_, x1, yo_); - - Dimension const & dim = pm_.insetDimension(inset); - - paintForeignMark(x_, font.language(), dim.descent()); - - x_ += dim.width(); + e.inset->drawBackground(pi_, x1, yo_); + e.inset->drawSelection(pi_, x1, yo_); + e.inset->draw(pi_, x1, yo_); // Restore full_repaint status. pi_.full_repaint = pi_full_repaint; @@ -152,6 +126,7 @@ void RowPainter::paintInset(Inset const * inset, Font const & font, pi_.selected = pi_selected; #ifdef DEBUG_METRICS + Dimension const & dim = pi_.base.bv->coordCache().insets().dim(e.inset); int const x2 = x1 + dim.wid; int const y1 = yo_ + dim.des; int const y2 = yo_ - dim.asc; @@ -163,15 +138,9 @@ void RowPainter::paintInset(Inset const * inset, Font const & font, } -void RowPainter::paintSeparator(double width, Font const & font) -{ - pi_.pain.textDecoration(font.fontInfo(), int(x_), yo_, int(width)); - x_ += width; -} - - -void RowPainter::paintForeignMark(double orig_x, Language const * lang, int desc) const +void RowPainter::paintForeignMark(Row::Element const & e) const { + Language const * lang = e.font.language(); if (!lyxrc.mark_foreign_language) return; if (lang == latex_language) @@ -179,22 +148,23 @@ void RowPainter::paintForeignMark(double orig_x, Language const * lang, int desc if (lang == pi_.base.bv->buffer().params().language) return; - int const y = yo_ + solid_line_offset_ + desc + solid_line_thickness_ / 2; - pi_.pain.line(int(orig_x), y, int(x_), y, Color_language, - Painter::line_solid, solid_line_thickness_); + int const desc = e.inset ? e.dim.descent() : 0; + int const y = yo_ + pi_.base.solidLineOffset() + + desc + pi_.base.solidLineThickness() / 2; + pi_.pain.line(int(x_), y, int(x_ + e.full_width()), y, Color_language, + Painter::line_solid, pi_.base.solidLineThickness()); } -void RowPainter::paintMisspelledMark(double const orig_x, - docstring const & str, Font const & font, - pos_type const start_pos, - bool const changed) const +void RowPainter::paintMisspelledMark(Row::Element const & e) const { // if changed the misspelled marker gets placed slightly lower than normal // to avoid drawing at the same vertical offset - int const y = yo_ + solid_line_offset_ + solid_line_thickness_ - + (changed ? solid_line_thickness_ + 1 : 0) - + dotted_line_offset_; + FontMetrics const & fm = theFontMetrics(e.font); + int const thickness = max(fm.lineWidth(), 2); + int const y = yo_ + pi_.base.solidLineOffset() + pi_.base.solidLineThickness() + + (e.change.changed() ? pi_.base.solidLineThickness() + 1 : 0) + + 1 + thickness / 2; //FIXME: this could be computed only once, it is probably not costly. // check for cursor position @@ -210,8 +180,8 @@ void RowPainter::paintMisspelledMark(double const orig_x, --cpos; } - pos_type pos = start_pos; - while (pos < start_pos + pos_type(str.length())) { + pos_type pos = e.pos; + while (pos < e.pos + pos_type(e.str.length())) { if (!par_.isMisspelled(pos)) { ++pos; continue; @@ -226,63 +196,52 @@ void RowPainter::paintMisspelledMark(double const orig_x, continue; } - FontMetrics const & fm = theFontMetrics(font); - int x1 = fm.pos2x(str, range.first - start_pos, - font.isVisibleRightToLeft()); - int x2 = fm.pos2x(str, min(range.last - start_pos + 1, - pos_type(str.length())), - font.isVisibleRightToLeft()); + FontMetrics const & fm = theFontMetrics(e.font); + int x1 = fm.pos2x(e.str, range.first - e.pos, + e.isRTL(), e.extra); + int x2 = fm.pos2x(e.str, min(range.last - e.pos + 1, + pos_type(e.str.length())), + e.isRTL(), e.extra); if (x1 > x2) swap(x1, x2); - pi_.pain.line(int(orig_x) + x1, y, int(orig_x) + x2, y, + pi_.pain.line(int(x_ + x1), y, int(x_ + x2), y, Color_error, - Painter::line_onoffdash, dotted_line_thickness_); + Painter::line_onoffdash, thickness); pos = range.last + 1; } } -void RowPainter::paintStringAndSel(docstring const & str, Font const & font, - Change const & change, - pos_type start_pos, pos_type end_pos) +void RowPainter::paintStringAndSel(Row::Element const & e) const { // at least part of text selected? - bool const some_sel = (end_pos >= row_.sel_beg && start_pos < row_.sel_end) + bool const some_sel = (e.endpos >= row_.sel_beg && e.pos < row_.sel_end) || pi_.selected; // all the text selected? - bool const all_sel = (start_pos >= row_.sel_beg && end_pos < row_.sel_end) + bool const all_sel = (e.pos >= row_.sel_beg && e.endpos < row_.sel_end) || pi_.selected; - if (all_sel) { - Font copy = font; - copy.fontInfo().setPaintColor(Color_selectiontext); - x_ += pi_.pain.text(int(x_), yo_, str, copy); - } else if (change.changed()) { - Font copy = font; - copy.fontInfo().setPaintColor(change.color()); - x_ += pi_.pain.text(int(x_), yo_, str, copy); + if (all_sel || e.change.changed()) { + Font copy = e.font; + Color const col = e.change.changed() ? e.change.color() + : Color_selectiontext; + copy.fontInfo().setPaintColor(col); + pi_.pain.text(int(x_), yo_, e.str, copy, e.extra, e.full_width()); } else if (!some_sel) { - x_ += pi_.pain.text(int(x_), yo_, str, font); + pi_.pain.text(int(x_), yo_, e.str, e.font, e.extra, e.full_width()); } else { - x_ += pi_.pain.text(int(x_), yo_, str, font, Color_selectiontext, - max(row_.sel_beg, start_pos) - start_pos, - min(row_.sel_end, end_pos) - start_pos); + pi_.pain.text(int(x_), yo_, e.str, e.font, Color_selectiontext, + max(row_.sel_beg, e.pos) - e.pos, + min(row_.sel_end, e.endpos) - e.pos, + e.extra, e.full_width()); } } -void RowPainter::paintChange(double orig_x, Font const & font, - Change const & change) const +void RowPainter::paintChange(Row::Element const & e) const { - if (!change.changed()) - return; - // Calculate 1/3 height of font - FontMetrics const & fm = theFontMetrics(font); - int const y_bar = change.deleted() ? yo_ - fm.maxAscent() / 3 - : yo_ + 2 * solid_line_offset_ + solid_line_thickness_; - pi_.pain.line(int(orig_x), y_bar, int(x_), y_bar, - change.color(), Painter::line_solid, solid_line_thickness_); + e.change.paintCue(pi_, x_, yo_, x_ + e.full_width(), e.font.fontInfo()); } @@ -300,7 +259,7 @@ void RowPainter::paintChangeBar() const if (start == end || !par_.isChanged(start, end)) return; - int const height = text_metrics_.isLastRow(pit_, row_) + int const height = tm_.isLastRow(row_) ? row_.ascent() : row_.height(); @@ -320,7 +279,7 @@ void RowPainter::paintAppendix() const y += 2 * defaultRowHeight(); pi_.pain.line(1, y, 1, yo_ + row_.height(), Color_appendix); - pi_.pain.line(width_ - 2, y, width_ - 2, yo_ + row_.height(), Color_appendix); + pi_.pain.line(tm_.width() - 2, y, tm_.width() - 2, yo_ + row_.height(), Color_appendix); } @@ -332,16 +291,16 @@ void RowPainter::paintDepthBar() const return; depth_type prev_depth = 0; - if (!text_metrics_.isFirstRow(pit_, row_)) { - pit_type pit2 = pit_; + if (!tm_.isFirstRow(row_)) { + pit_type pit2 = row_.pit(); if (row_.pos() == 0) --pit2; prev_depth = pars_[pit2].getDepth(); } depth_type next_depth = 0; - if (!text_metrics_.isLastRow(pit_, row_)) { - pit_type pit2 = pit_; + if (!tm_.isLastRow(row_)) { + pit_type pit2 = row_.pit(); if (row_.endpos() >= pars_[pit2].size()) ++pit2; next_depth = pars_[pit2].getDepth(); @@ -367,7 +326,7 @@ void RowPainter::paintDepthBar() const } -int RowPainter::paintAppendixStart(int y) const +void RowPainter::paintAppendixStart(int y) const { FontInfo pb_font = sane_font; pb_font.setColor(Color_appendix); @@ -380,88 +339,67 @@ int RowPainter::paintAppendixStart(int y) const docstring const label = _("Appendix"); theFontMetrics(pb_font).rectText(label, w, a, d); - int const text_start = int(xo_ + (width_ - w) / 2); + int const text_start = int(xo_ + (tm_.width() - w) / 2); int const text_end = text_start + w; pi_.pain.rectText(text_start, y + d, label, pb_font, Color_none, Color_none); pi_.pain.line(int(xo_ + 1), y, text_start, y, Color_appendix); - pi_.pain.line(text_end, y, int(xo_ + width_ - 2), y, Color_appendix); - - return 3 * defaultRowHeight(); + pi_.pain.line(text_end, y, int(xo_ + tm_.width() - 2), y, Color_appendix); } void RowPainter::paintTooLargeMarks(bool const left, bool const right) const { if (left) - pi_.pain.line(dotted_line_thickness_, yo_ - row_.ascent(), - dotted_line_thickness_, yo_ + row_.descent(), - Color_scroll, - Painter::line_onoffdash, dotted_line_thickness_); + pi_.pain.line(pi_.base.dottedLineThickness(), yo_ - row_.ascent(), + pi_.base.dottedLineThickness(), yo_ + row_.descent(), + Color_scroll, Painter::line_onoffdash, + pi_.base.dottedLineThickness()); if (right) { - int const wwidth = pi_.base.bv->workWidth() - dotted_line_thickness_; + int const wwidth = + pi_.base.bv->workWidth() - pi_.base.dottedLineThickness(); pi_.pain.line(wwidth, yo_ - row_.ascent(), wwidth, yo_ + row_.descent(), - Color_scroll, - Painter::line_onoffdash, dotted_line_thickness_); + Color_scroll, Painter::line_onoffdash, + pi_.base.dottedLineThickness()); } } void RowPainter::paintFirst() const { - BufferParams const & bparams = pi_.base.bv->buffer().params(); Layout const & layout = par_.layout(); - int y_top = 0; - // start of appendix? if (par_.params().startOfAppendix()) - y_top += paintAppendixStart(yo_ - row_.ascent() + 2 * defaultRowHeight()); - - if (bparams.paragraph_separation == BufferParams::ParagraphSkipSeparation - && pit_ != 0) { - if (layout.latextype == LATEX_PARAGRAPH - && !par_.getDepth()) { - y_top += bparams.getDefSkip().inPixels(*pi_.base.bv); - } else { - Layout const & playout = pars_[pit_ - 1].layout(); - if (playout.latextype == LATEX_PARAGRAPH - && !pars_[pit_ - 1].getDepth()) { - // is it right to use defskip here, too? (AS) - y_top += bparams.getDefSkip().inPixels(*pi_.base.bv); - } - } - } + paintAppendixStart(yo_ - row_.ascent() + 2 * defaultRowHeight()); bool const is_first = - text_.isFirstInSequence(pit_) || !layout.isParagraphGroup(); + text_.isFirstInSequence(row_.pit()) || !layout.isParagraphGroup(); //lyxerr << "paintFirst: " << par_.id() << " is_seq: " << is_seq << endl; if (layout.labelIsInline() - && (layout.labeltype != LABEL_STATIC || is_first)) { + && (layout.labeltype != LABEL_STATIC || is_first)) paintLabel(); - } else if (is_first && layout.labelIsAbove()) { + else if (is_first && layout.labelIsAbove()) paintTopLevelLabel(); - } } void RowPainter::paintLabel() const { - docstring const str = par_.labelString(); + docstring const & str = par_.labelString(); if (str.empty()) return; - bool const is_rtl = text_.isRTL(par_); Layout const & layout = par_.layout(); FontInfo const font = labelFont(); FontMetrics const & fm = theFontMetrics(font); double x = x_; - if (is_rtl) - x = width_ - row_.right_margin + fm.width(layout.labelsep); + if (row_.isRTL()) + x = tm_.width() - row_.right_margin + fm.width(layout.labelsep); else x = x_ - fm.width(layout.labelsep) - fm.width(str); @@ -472,7 +410,6 @@ void RowPainter::paintLabel() const void RowPainter::paintTopLevelLabel() const { BufferParams const & bparams = pi_.base.bv->buffer().params(); - bool const is_rtl = text_.isRTL(par_); ParagraphParameters const & pparams = par_.params(); Layout const & layout = par_.layout(); FontInfo const font = labelFont(); @@ -497,10 +434,10 @@ void RowPainter::paintTopLevelLabel() const double x = x_; if (layout.labeltype == LABEL_CENTERED) { - x = row_.left_margin + (width_ - row_.left_margin - row_.right_margin) / 2; + x = row_.left_margin + (tm_.width() - row_.left_margin - row_.right_margin) / 2; x -= fm.width(str) / 2; - } else if (is_rtl) { - x = width_ - row_.right_margin - fm.width(str); + } else if (row_.isRTL()) { + x = tm_.width() - row_.right_margin - fm.width(str); } pi_.pain.text(int(x), yo_ - maxdesc - labeladdon, str, font); } @@ -538,10 +475,9 @@ static int getEndLabel(pit_type p, Text const & text) } -void RowPainter::paintLast() +void RowPainter::paintLast() const { - bool const is_rtl = text_.isRTL(par_); - int const endlabel = getEndLabel(pit_, text_); + int const endlabel = getEndLabel(row_.pit(), text_); // paint imaginary end-of-paragraph character @@ -573,14 +509,17 @@ void RowPainter::paintLast() FontMetrics const & fm = theFontMetrics(font); int const size = int(0.75 * fm.maxAscent()); int const y = yo_ - size; - int const max_row_width = width_ - size - Inset::TEXT_TO_INSET_OFFSET; - int x = is_rtl ? nestMargin() + changebarMargin() - : max_row_width - row_.right_margin; // If needed, move the box a bit to avoid overlapping with text. - int const rem = max_row_width - row_.width(); - if (rem <= 0) - x += is_rtl ? rem : - rem; + int x = 0; + if (row_.isRTL()) { + int const normal_x = nestMargin() + changebarMargin(); + x = min(normal_x, row_.left_margin - size - Inset::TEXT_TO_INSET_OFFSET); + } else { + int const normal_x = tm_.width() - row_.right_margin + - size - Inset::TEXT_TO_INSET_OFFSET; + x = max(normal_x, row_.width()); + } if (endlabel == END_LABEL_BOX) pi_.pain.rectangle(x, y, size, size, Color_eolmarker); @@ -593,7 +532,7 @@ void RowPainter::paintLast() FontInfo const font = labelFont(); FontMetrics const & fm = theFontMetrics(font); docstring const & str = par_.layout().endlabelstring(); - double const x = is_rtl ? x_ - fm.width(str) : x_; + double const x = row_.isRTL() ? x_ - fm.width(str) : x_; pi_.pain.text(int(x), yo_, str, font); break; } @@ -611,18 +550,15 @@ void RowPainter::paintOnlyInsets() for ( ; cit != end ; ++cit) { Row::Element const & e = *cit; if (e.type == Row::INSET) { - // If outer row has changed, nested insets are repainted completely. - pi_.base.bv->coordCache().insets().add(e.inset, int(x_), yo_); - bool const nested_inset = - (e.inset->asInsetMath() && !e.inset->asInsetMath()->asMacroTemplate()) - || e.inset->asInsetText() || e.inset->asInsetTabular(); - if (!nested_inset) { - x_ += e.full_width(); - continue; - } - paintInset(e.inset, e.font, e.change, e.pos); - } else - x_ += e.full_width(); + paintInset(e); + // The line that indicates word in a different language + paintForeignMark(e); + // change tracking (not for insets that handle it themselves) + if (!e.inset->canPaintChange(*pi_.base.bv)) + paintChange(e); + } + + x_ += e.full_width(); } } @@ -632,39 +568,34 @@ void RowPainter::paintText() Row::const_iterator cit = row_.begin(); Row::const_iterator const & end = row_.end(); for ( ; cit != end ; ++cit) { - double const orig_x = x_; Row::Element const & e = *cit; - int foreign_descent = 0; switch (e.type) { case Row::STRING: case Row::VIRTUAL: - paintStringAndSel(e.str, e.font, e.change, e.pos, e.endpos); + paintStringAndSel(e); - // Paint the spelling mark if needed. - if (lyxrc.spellcheck_continuously && pi_.do_spellcheck - && par_.isMisspelled(e.pos)) { - paintMisspelledMark(orig_x, e.str, e.font, e.pos, e.change.changed()); - } + // Paint the spelling marks if enabled. + if (lyxrc.spellcheck_continuously && pi_.do_spellcheck && pi_.pain.isDrawingEnabled()) + paintMisspelledMark(e); break; - case Row::INSET: { - // If outer row has changed, nested insets are repaint completely. - pi_.base.bv->coordCache().insets().add(e.inset, int(x_), yo_); - paintInset(e.inset, e.font, e.change, e.pos); - foreign_descent = e.dim.descent(); - } + + case Row::INSET: + paintInset(e); break; - case Row::SEPARATOR: + case Row::SPACE: - paintSeparator(e.full_width(), e.font); + pi_.pain.textDecoration(e.font.fontInfo(), int(x_), yo_, int(e.full_width())); } // The line that indicates word in a different language - paintForeignMark(orig_x, e.font.language(), foreign_descent); + paintForeignMark(e); - // change tracking (not for insets that track their own changes) - if (e.type != Row::INSET || ! e.inset->canTrackChanges()) - paintChange(orig_x, e.font, e.change); + // change tracking (not for insets that handle it themselves) + if (e.type != Row::INSET || ! e.inset->canPaintChange(*pi_.base.bv)) + paintChange(e); + + x_ += e.full_width(); } } @@ -673,97 +604,54 @@ void RowPainter::paintSelection() const { 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); + if (row_.isRTL() ? row_.end_margin_sel : row_.begin_margin_sel) + pi_.pain.fillRectangle(int(xo_), y1, row_.left_margin, y2 - y1, + Color_selection); // 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()); + double x = xo_ + row_.left_margin; + for (auto const & e : row_) { + // These are the same tests as in paintStringAndSel, except + // that all_sel has an additional clause that triggers for end + // of paragraph markers. The clause was not used in + // paintStringAndSel to avoid changing the drawing color. + // at least part of text selected? + bool const some_sel = (e.endpos >= row_.sel_beg && e.pos < row_.sel_end) + || pi_.selected; + // all the text selected? + bool const all_sel = (e.pos >= row_.sel_beg && e.endpos < row_.sel_end) + || (e.isVirtual() && e.pos == row_.endpos() && row_.end_margin_sel) + || pi_.selected; + + if (all_sel) { + // the 3rd argument is written like that to avoid rounding issues + pi_.pain.fillRectangle(int(x), y1, + int(x + e.full_width()) - int(x), y2 - y1, + Color_selection); + } else if (some_sel) { + pos_type const from = min(max(row_.sel_beg, e.pos), e.endpos); + pos_type const to = max(min(row_.sel_end, e.endpos), e.pos); + double x1 = e.pos2x(from); + double x2 = e.pos2x(to); + if (x1 > x2) + swap(x1, x2); + // the 3rd argument is written like that to avoid rounding issues + pi_.pain.fillRectangle(int(x + x1), y1, int(x2 + x) - int(x1 + x), + y2 - y1, Color_selection); } + x += e.full_width(); + } - 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); + if (row_.isRTL() ? row_.begin_margin_sel : row_.end_margin_sel) + pi_.pain.fillRectangle(int(x), y1, + int(xo_ + tm_.width()) - int(x), 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; - } - } }