X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FTextMetrics.cpp;h=e122d6a6a1d74f005b66460fb9c8a45b33922811;hb=99c5a46c68bd605c03d4e3a86811831ed7dd3d37;hp=48dbdd7a69578ee98d6c09b26001e3d0a5843dfc;hpb=7d68833dc9dd3d8cecd8594b15b03f6d2ec9a036;p=lyx.git diff --git a/src/TextMetrics.cpp b/src/TextMetrics.cpp index 48dbdd7a69..e122d6a6a1 100644 --- a/src/TextMetrics.cpp +++ b/src/TextMetrics.cpp @@ -51,6 +51,7 @@ #include "support/debug.h" #include "support/docstring_list.h" +#include "support/gettext.h" #include "support/lassert.h" #include @@ -128,7 +129,7 @@ static int numberOfHfills(Paragraph const & par, Row const & row) TextMetrics::TextMetrics(BufferView * bv, Text * text) : bv_(bv), text_(text) { - LASSERT(bv_, /**/); + LBUFERR(bv_); max_width_ = bv_->workWidth(); dim_.wid = max_width_; dim_.asc = 10; @@ -158,6 +159,7 @@ pair TextMetrics::first() const pair TextMetrics::last() const { + LBUFERR(!par_metrics_.empty()); ParMetricsCache::const_reverse_iterator it = par_metrics_.rbegin(); return make_pair(it->first, &it->second); } @@ -178,7 +180,7 @@ ParagraphMetrics & TextMetrics::parMetrics(pit_type pit, bool redo) bool TextMetrics::metrics(MetricsInfo & mi, Dimension & dim, int min_width) { - LASSERT(mi.base.textwidth > 0, /**/); + LBUFERR(mi.base.textwidth > 0); max_width_ = mi.base.textwidth; // backup old dimension. Dimension const old_dim = dim_; @@ -232,13 +234,13 @@ void TextMetrics::applyOuterFont(Font & font) const { FontInfo lf(font_.fontInfo()); lf.reduce(bv_->buffer().params().getFont().fontInfo()); - font.fontInfo().realize(lf); + font.fontInfo().realize(lf); } Font TextMetrics::displayFont(pit_type pit, pos_type pos) const { - LASSERT(pos >= 0, /**/); + LASSERT(pos >= 0, { static Font f; return f; }); ParagraphList const & pars = text_->paragraphs(); Paragraph const & par = pars[pit]; @@ -313,6 +315,9 @@ bool TextMetrics::isRTLBoundary(pit_type pit, pos_type pos) const } +// isRTLBoundary returns false on a real end-of-line boundary, +// because otherwise the two boundary types get mixed up. +// This is the whole purpose of this being in TextMetrics. bool TextMetrics::isRTLBoundary(pit_type pit, pos_type pos, Font const & font) const { @@ -341,19 +346,19 @@ bool TextMetrics::isRTLBoundary(pit_type pit, pos_type pos, // no RTL boundary at line break: // abc|\n -> move right -> abc\n (and not: abc\n| // FED FED| FED ) - if (startpos == pos && endpos == pos && endpos != par.size() - && (par.isNewline(pos - 1) - || par.isLineSeparator(pos - 1) + if (startpos == pos && endpos == pos && endpos != par.size() + && (par.isNewline(pos - 1) + || par.isLineSeparator(pos - 1) || par.isSeparator(pos - 1))) return false; - + bool left = font.isVisibleRightToLeft(); bool right; if (pos == par.size()) right = par.isRTL(bv_->buffer().params()); else right = displayFont(pit, pos).isVisibleRightToLeft(); - + return left != right; } @@ -371,19 +376,28 @@ bool TextMetrics::redoParagraph(pit_type const pit) main_text_ = (text_ == &buffer.text()); bool changed = false; + // Check whether there are InsetBibItems that need fixing // FIXME: This check ought to be done somewhere else. It is the reason - // why text_ is not const. But then, where else to do it? + // why text_ is not const. But then, where else to do it? // Well, how can you end up with either (a) a biblio environment that // has no InsetBibitem or (b) a biblio environment with more than one // InsetBibitem? I think the answer is: when paragraphs are merged; // when layout is set; when material is pasted. - int const moveCursor = par.checkBiblio(buffer); - if (moveCursor > 0) - const_cast(bv_->cursor()).posForward(); - else if (moveCursor < 0) { - Cursor & cursor = const_cast(bv_->cursor()); - if (cursor.pos() >= -moveCursor) - cursor.posBackward(); + if (par.brokenBiblio()) { + Cursor & cur = const_cast(bv_->cursor()); + // In some cases, we do not know how to record undo + if (&cur.inset() == &text_->inset()) + cur.recordUndo(ATOMIC_UNDO, pit, pit); + + int const moveCursor = par.fixBiblio(buffer); + + // Is it necessary to update the cursor? + if (&cur.inset() == &text_->inset() && cur.pit() == pit) { + if (moveCursor > 0) + cur.posForward(); + else if (moveCursor < 0 && cur.pos() >= -moveCursor) + cur.posBackward(); + } } // Optimisation: this is used in the next two loops @@ -403,17 +417,16 @@ bool TextMetrics::redoParagraph(pit_type const pit) // should be. bv_->buffer().updateBuffer(); parPos = text_->macrocontextPosition(); - LASSERT(!parPos.empty(), /**/); + LBUFERR(!parPos.empty()); parPos.pit() = pit; } // redo insets - // FIXME: We should always use getFont(), see documentation of - // noFontChange() in Inset.h. Font const bufferfont = buffer.params().getFont(); InsetList::const_iterator ii = par.insetList().begin(); InsetList::const_iterator iend = par.insetList().end(); for (; ii != iend; ++ii) { + // FIXME Doesn't this HAVE to be non-empty? // position already initialized? if (!parPos.empty()) { parPos.pos() = ii->pos; @@ -430,8 +443,8 @@ bool TextMetrics::redoParagraph(pit_type const pit) Dimension dim; int const w = max_width_ - leftMargin(max_width_, pit, ii->pos) - right_margin; - Font const & font = ii->inset->noFontChange() ? - bufferfont : displayFont(pit, ii->pos); + Font const & font = ii->inset->inheritFont() ? + displayFont(pit, ii->pos) : bufferfont; MacroContext mc(&buffer, parPos); MetricsInfo mi(bv_, font.fontInfo(), w, mc); ii->inset->metrics(mi, dim); @@ -568,7 +581,7 @@ void TextMetrics::computeRowMetrics(pit_type const pit, case LYX_ALIGN_CENTER: case LYX_ALIGN_LEFT: case LYX_ALIGN_RIGHT: - if (align == LYX_ALIGN_NONE + if (align == LYX_ALIGN_NONE || align == LYX_ALIGN_BLOCK) align = owner.contentAlignment(); break; @@ -595,6 +608,11 @@ void TextMetrics::computeRowMetrics(pit_type const pit, } } + // Has the user requested we not justify stuff? + if (!bv_->buffer().params().justification + && align == LYX_ALIGN_BLOCK) + align = LYX_ALIGN_LEFT; + switch (align) { case LYX_ALIGN_BLOCK: { int const ns = numberOfSeparators(par, row); @@ -675,7 +693,7 @@ int TextMetrics::labelFill(pit_type const pit, Row const & row) const Paragraph const & par = text_->getPar(pit); pos_type last = par.beginOfBody(); - LASSERT(last > 0, /**/); + LBUFERR(last > 0); // -1 because a label ends with a space that is in the label --last; @@ -699,6 +717,8 @@ int TextMetrics::labelFill(pit_type const pit, Row const & row) const } +#if 0 +// Not used, see TextMetrics::rowBreakPoint. // this needs special handling - only newlines count as a break point static pos_type addressBreakPoint(pos_type i, Paragraph const & par) { @@ -710,6 +730,7 @@ static pos_type addressBreakPoint(pos_type i, Paragraph const & par) return end; } +#endif int TextMetrics::labelEnd(pit_type const pit) const @@ -750,7 +771,7 @@ public: FontIterator & operator++() { ++pos_; - if (pos_ > endspan_ || pos_ == bodypos_) { + if (pos_ < par_.size() && (pos_ > endspan_ || pos_ == bodypos_)) { font_ = tm_.displayFont(pit_, pos_); endspan_ = par_.fontSpan(pos_).last; } @@ -790,8 +811,13 @@ pos_type TextMetrics::rowBreakPoint(int width, pit_type const pit, Layout const & layout = par.layout(); +#if 0 + //FIXME: As long as leftMargin() is not correctly implemented for + // MARGIN_RIGHT_ADDRESS_BOX, we should also not do this here. + // Otherwise, long rows will be painted off the screen. if (layout.margintype == MARGIN_RIGHT_ADDRESS_BOX) return addressBreakPoint(pos, par); +#endif pos_type const body_pos = par.beginOfBody(); @@ -827,10 +853,10 @@ pos_type TextMetrics::rowBreakPoint(int width, pit_type const pit, ParagraphList const & pars_ = text_->paragraphs(); bool const draw_par_end_marker = lyxrc.paragraph_markers && size_type(pit + 1) < pars_.size(); - + for ( ; i < end; ++i, ++fi) { int thiswidth = pm.singleWidth(i, *fi); - + if (draw_par_end_marker && i == end - 1) // enlarge the last character to hold the end-of-par marker thiswidth += par_marker_width; @@ -947,8 +973,8 @@ int TextMetrics::rowWidth(int right_margin, pit_type const pit, w -= singleWidth(pit, i - 1); w = max(w, label_end); } - - // a line separator at the end of a line (but not at the end of a + + // a line separator at the end of a line (but not at the end of a // paragraph) will not be drawn and should therefore not count for // the row width. if (!par.isLineSeparator(i) || i != end - 1 || end == par.size()) @@ -1064,35 +1090,22 @@ Dimension TextMetrics::rowHeight(pit_type const pit, pos_type const first, if (first == 0 && topBottomSpace) { BufferParams const & bufparams = buffer.params(); // some parskips VERY EASY IMPLEMENTATION - if (bufparams.paragraph_separation - == BufferParams::ParagraphSkipSeparation - && inset.lyxCode() != ERT_CODE - && inset.lyxCode() != LISTINGS_CODE - && pit > 0 - && ((layout.isParagraph() && par.getDepth() == 0) - || (pars[pit - 1].layout().isParagraph() - && pars[pit - 1].getDepth() == 0))) - { - maxasc += bufparams.getDefSkip().inPixels(*bv_); + if (bufparams.paragraph_separation == BufferParams::ParagraphSkipSeparation + && !inset.getLayout().parbreakIsNewline() + && !par.layout().parbreak_is_newline + && pit > 0 + && ((layout.isParagraph() && par.getDepth() == 0) + || (pars[pit - 1].layout().isParagraph() + && pars[pit - 1].getDepth() == 0))) { + maxasc += bufparams.getDefSkip().inPixels(*bv_); } if (par.params().startOfAppendix()) maxasc += int(3 * dh); - // This is special code for the chapter, since the label of this - // layout is printed in an extra row - if (layout.counter == "chapter" - && !par.params().labelString().empty()) { - labeladdon = int(labelfont_metrics.maxHeight() - * layout.spacing.getValue() - * text_->spacing(par)); - } - // special code for the top label - if ((layout.labeltype == LABEL_TOP_ENVIRONMENT - || layout.labeltype == LABEL_BIBLIO - || layout.labeltype == LABEL_CENTERED_TOP_ENVIRONMENT) - && text_->isFirstInSequence(pit) + if (layout.labelIsAbove() + && (!layout.isParagraphGroup() || text_->isFirstInSequence(pit)) && !par.labelString().empty()) { labeladdon = int( @@ -1225,13 +1238,7 @@ pos_type TextMetrics::getColumnNearX(pit_type const pit, // If lastrow is false, we don't need to compute // the value of rtl. - bool const rtl = lastrow ? text_->isRTL(par) : false; - - // if the first character is a separator, and we are in RTL - // text, this character will not be painted on screen - // and thus we should not count it and skip to the next. - if (rtl && par.isSeparator(bidi.vis2log(vc))) - ++vc; + bool const rtl_on_lastrow = lastrow ? text_->isRTL(par) : false; while (vc < end && tmpx <= x) { c = bidi.vis2log(vc); @@ -1255,13 +1262,14 @@ pos_type TextMetrics::getColumnNearX(pit_type const pit, left_side = true; } - LASSERT(vc <= end, /**/); // This shouldn't happen. + // This shouldn't happen. But we can reset and try to continue. + LASSERT(vc <= end, vc = end); boundary = false; if (lastrow && - ((rtl && left_side && vc == row.pos() && x < tmpx - 5) || - (!rtl && !left_side && vc == end && x > tmpx + 5))) { + ((rtl_on_lastrow && left_side && vc == row.pos() && x < tmpx - 5) || + (!rtl_on_lastrow && !left_side && vc == end && x > tmpx + 5))) { if (!par.isNewline(end - 1)) c = end; } else if (vc == row.pos()) { @@ -1328,7 +1336,7 @@ pos_type TextMetrics::x2pos(pit_type pit, int row, int x) const // upDownInText() while in selection mode. ParagraphMetrics const & pm = parMetrics(pit); - LASSERT(row < int(pm.rows().size()), /**/); + LBUFERR(row < int(pm.rows().size())); bool bound = false; Row const & r = pm.rows()[row]; return r.pos() + getColumnNearX(pit, r, x, bound); @@ -1374,7 +1382,8 @@ pit_type TextMetrics::getPitNearY(int y) int yy = -1; ParMetricsCache::const_iterator it = par_metrics_.begin(); ParMetricsCache::const_iterator et = par_metrics_.end(); - ParMetricsCache::const_iterator last = et; last--; + ParMetricsCache::const_iterator last = et; + --last; ParagraphMetrics const & pm = it->second; @@ -1430,7 +1439,7 @@ Row const & TextMetrics::getPitAndRowNearY(int & y, pit_type & pit, ParagraphMetrics const & pm = par_metrics_[pit]; int yy = pm.position() - pm.ascent(); - LASSERT(!pm.rows().empty(), /**/); + LBUFERR(!pm.rows().empty()); RowList::const_iterator rit = pm.rows().begin(); RowList::const_iterator rlast = pm.rows().end(); --rlast; @@ -1479,7 +1488,7 @@ Inset * TextMetrics::editXY(Cursor & cur, int x, int y, } pit_type pit = getPitNearY(y); LASSERT(pit != -1, return 0); - + int yy = y; // is modified by getPitAndRowNearY Row const & row = getPitAndRowNearY(yy, pit, assert_in_view, up); @@ -1496,10 +1505,6 @@ Inset * TextMetrics::editXY(Cursor & cur, int x, int y, Inset * inset = checkInsetHit(x, yy); //lyxerr << "inset " << inset << " hit at x: " << x << " y: " << y << endl; if (!inset) { - // Either we deconst editXY or better we move current_font - // and real_current_font to Cursor - // FIXME: what is needed now that current_font and real_current_font - // are transferred? cur.setCurrentFont(); return 0; } @@ -1509,8 +1514,8 @@ Inset * TextMetrics::editXY(Cursor & cur, int x, int y, // This should be just before or just behind the // cursor position set above. - LASSERT(inset == inset_before - || inset == pars[pit].getInset(pos), /**/); + LASSERT(inset == inset_before + || inset == pars[pit].getInset(pos), return 0); // Make sure the cursor points to the position before // this inset. @@ -1530,8 +1535,8 @@ Inset * TextMetrics::editXY(Cursor & cur, int x, int y, void TextMetrics::setCursorFromCoordinates(Cursor & cur, int const x, int const y) { - LASSERT(text_ == cur.text(), /**/); - pit_type pit = getPitNearY(y); + LASSERT(text_ == cur.text(), return); + pit_type const pit = getPitNearY(y); LASSERT(pit != -1, return); ParagraphMetrics const & pm = par_metrics_[pit]; @@ -1541,7 +1546,7 @@ void TextMetrics::setCursorFromCoordinates(Cursor & cur, int const x, int const " pit: " << pit << " yy: " << yy); int r = 0; - LASSERT(pm.rows().size(), /**/); + LBUFERR(pm.rows().size()); for (; r < int(pm.rows().size()) - 1; ++r) { Row const & row = pm.rows()[r]; if (int(yy + row.height()) > y) @@ -1611,7 +1616,7 @@ Inset * TextMetrics::checkInsetHit(int x, int y) int TextMetrics::cursorX(CursorSlice const & sl, bool boundary) const { - LASSERT(sl.text() == text_, /**/); + LASSERT(sl.text() == text_, return 0); pit_type const pit = sl.pit(); Paragraph const & par = text_->paragraphs()[pit]; ParagraphMetrics const & pm = par_metrics_[pit]; @@ -1786,7 +1791,7 @@ int TextMetrics::cursorY(CursorSlice const & sl, bool boundary) const bool TextMetrics::cursorHome(Cursor & cur) { - LASSERT(text_ == cur.text(), /**/); + LASSERT(text_ == cur.text(), return false); ParagraphMetrics const & pm = par_metrics_[cur.pit()]; Row const & row = pm.getRow(cur.pos(),cur.boundary()); return text_->setCursor(cur, cur.pit(), row.pos()); @@ -1795,7 +1800,7 @@ bool TextMetrics::cursorHome(Cursor & cur) bool TextMetrics::cursorEnd(Cursor & cur) { - LASSERT(text_ == cur.text(), /**/); + LASSERT(text_ == cur.text(), return false); // if not on the last row of the par, put the cursor before // the final space exept if I have a spanning inset or one string // is so long that we force a break. @@ -1817,7 +1822,7 @@ bool TextMetrics::cursorEnd(Cursor & cur) void TextMetrics::deleteLineForward(Cursor & cur) { - LASSERT(text_ == cur.text(), /**/); + LASSERT(text_ == cur.text(), return); if (cur.lastpos() == 0) { // Paragraph is empty, so we just go forward text_->cursorForward(cur); @@ -1852,8 +1857,6 @@ bool TextMetrics::isFirstRow(pit_type pit, Row const & row) const int TextMetrics::leftMargin(int max_width, pit_type pit) const { - LASSERT(pit >= 0, /**/); - LASSERT(pit < int(text_->paragraphs().size()), /**/); return leftMargin(max_width, pit, text_->paragraphs()[pit].size()); } @@ -1863,11 +1866,11 @@ int TextMetrics::leftMargin(int max_width, { ParagraphList const & pars = text_->paragraphs(); - LASSERT(pit >= 0, /**/); - LASSERT(pit < int(pars.size()), /**/); + LASSERT(pit >= 0, return 0); + LASSERT(pit < int(pars.size()), return 0); Paragraph const & par = pars[pit]; - LASSERT(pos >= 0, /**/); - LASSERT(pos <= par.size(), /**/); + LASSERT(pos >= 0, return 0); + LASSERT(pos <= par.size(), return 0); Buffer const & buffer = bv_->buffer(); //lyxerr << "TextMetrics::leftMargin: pit: " << pit << " pos: " << pos << endl; DocumentClass const & tclass = buffer.params().documentClass(); @@ -1956,10 +1959,7 @@ int TextMetrics::leftMargin(int max_width, && layout.latextype == LATEX_ENVIRONMENT && !text_->isFirstInSequence(pit))) { l_margin += labelfont_metrics.signedWidth(layout.leftmargin); - } else if (layout.labeltype != LABEL_TOP_ENVIRONMENT - && layout.labeltype != LABEL_BIBLIO - && layout.labeltype != - LABEL_CENTERED_TOP_ENVIRONMENT) { + } else if (!layout.labelIsAbove()) { l_margin += labelfont_metrics.signedWidth(layout.labelindent); l_margin += labelfont_metrics.width(layout.labelsep); l_margin += labelfont_metrics.width(par.labelString()); @@ -1968,16 +1968,18 @@ int TextMetrics::leftMargin(int max_width, case MARGIN_RIGHT_ADDRESS_BOX: { #if 0 - // ok, a terrible hack. The left margin depends on the widest - // row in this paragraph. - RowList::iterator rit = par.rows().begin(); - RowList::iterator end = par.rows().end(); - // FIXME: This is wrong. + // The left margin depends on the widest row in this paragraph. + // This code is wrong because it depends on the rows, but at the + // same time this function is used in redoParagraph to construct + // the rows. + ParagraphMetrics const & pm = par_metrics_[pit]; + RowList::const_iterator rit = pm.rows().begin(); + RowList::const_iterator end = pm.rows().end(); int minfill = max_width; for ( ; rit != end; ++rit) if (rit->fill() < minfill) minfill = rit->fill(); - l_margin += theFontMetrics(params.getFont()).signedWidth(layout.leftmargin); + l_margin += theFontMetrics(buffer.params().getFont()).signedWidth(layout.leftmargin); l_margin += minfill; #endif // also wrong, but much shorter. @@ -1999,12 +2001,12 @@ int TextMetrics::leftMargin(int max_width, // set the correct parindent if (pos == 0 && (layout.labeltype == LABEL_NO_LABEL - || layout.labeltype == LABEL_TOP_ENVIRONMENT - || layout.labeltype == LABEL_CENTERED_TOP_ENVIRONMENT + || layout.labeltype == LABEL_ABOVE + || layout.labeltype == LABEL_CENTERED || (layout.labeltype == LABEL_STATIC && layout.latextype == LATEX_ENVIRONMENT && !text_->isFirstInSequence(pit))) - && align == LYX_ALIGN_BLOCK + && (align == LYX_ALIGN_BLOCK || align == LYX_ALIGN_LEFT) && !par.params().noindent() // in some insets, paragraphs are never indented && !text_->inset().neverIndent() @@ -2014,7 +2016,7 @@ int TextMetrics::leftMargin(int max_width, && par.getInset(pos)->display()) && (!(tclass.isDefaultLayout(par.layout()) || tclass.isPlainLayout(par.layout())) - || buffer.params().paragraph_separation + || buffer.params().paragraph_separation == BufferParams::ParagraphIndentSeparation) ) { @@ -2026,7 +2028,7 @@ int TextMetrics::leftMargin(int max_width, else l_margin += buffer.params().getIndentation().inPixels(*bv_); } - + return l_margin; } @@ -2087,7 +2089,7 @@ void TextMetrics::drawParagraph(PainterInfo & pi, pit_type pit, int x, int y) co // We store the begin and end pos of the selection relative to this par DocIterator sel_beg_par = cur.selectionBegin(); DocIterator sel_end_par = cur.selectionEnd(); - + // We care only about visible selection. if (selection) { if (pit != sel_beg.pit()) { @@ -2116,7 +2118,7 @@ void TextMetrics::drawParagraph(PainterInfo & pi, pit_type pit, int x, int y) co row.setSelectionAndMargins(sel_beg_par, sel_end_par); else row.setSelection(-1, -1); - + // The row knows nothing about the paragraph, so we have to check // whether this row is the first or last and update the margins. if (row.selection()) { @@ -2132,15 +2134,7 @@ void TextMetrics::drawParagraph(PainterInfo & pi, pit_type pit, int x, int y) co // Take this opportunity to spellcheck the row contents. if (row_has_changed && lyxrc.spellcheck_continuously) { - WordLangTuple wl; - // dummy variable, not used. - static docstring_list suggestions; - pos_type from = row.pos(); - pos_type to = row.endpos(); - while (from < row.endpos()) { - text_->getPar(pit).spellCheck(from, to, wl, suggestions, false); - from = to + 1; - } + text_->getPar(pit).spellCheck(); } // Don't paint the row if a full repaint has not been requested @@ -2159,9 +2153,6 @@ void TextMetrics::drawParagraph(PainterInfo & pi, pit_type pit, int x, int y) co pi.pain.fillRectangle(x, y - row.ascent(), width(), row.height(), pi.background_color); } - - if (row.selection()) - drawRowSelection(pi, x, row, cur, pit); // Instrumentation for testing row cache (see also // 12 lines lower): @@ -2179,6 +2170,8 @@ void TextMetrics::drawParagraph(PainterInfo & pi, pit_type pit, int x, int y) co // for inner insets as the Row has been cleared out. bool tmp = pi.full_repaint; pi.full_repaint = true; + + rp.paintSelection(); rp.paintAppendix(); rp.paintDepthBar(); rp.paintChangeBar(); @@ -2193,6 +2186,7 @@ void TextMetrics::drawParagraph(PainterInfo & pi, pit_type pit, int x, int y) co if (i == 0 && is_rtl) rp.paintFirst(); y += row.descent(); + // Restore full_repaint status. pi.full_repaint = tmp; } @@ -2203,102 +2197,6 @@ void TextMetrics::drawParagraph(PainterInfo & pi, pit_type pit, int x, int y) co } -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).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; - } - } -} - - void TextMetrics::completionPosAndDim(Cursor const & cur, int & x, int & y, Dimension & dim) const {