--- /dev/null
+/**
+ * \file rowpainter.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
+ *
+ * \author various
+ * \author John Levon
+ *
+ * Full author contact details are available in file CREDITS
+ */
+
+#include <config.h>
+
+#include <algorithm>
+
+#include "frontends/Painter.h"
+#include "frontends/screen.h"
+#include "frontends/font_metrics.h"
+#include "support/LAssert.h"
+#include "paragraph.h"
+#include "support/textutils.h"
+
+#include "insets/insettext.h"
+#include "ParagraphParameters.h"
+#include "BufferView.h"
+#include "buffer.h"
+#include "gettext.h"
+#include "language.h"
+#include "encoding.h"
+#include "lyxtext.h"
+#include "lyxrow.h"
+#include "rowpainter.h"
+#include "lyxrc.h"
+
+
+using std::max;
+using lyx::pos_type;
+
+extern int PAPER_MARGIN;
+extern int CHANGEBAR_MARGIN;
+extern int LEFT_MARGIN;
+
+namespace {
+
+// "temporary". We'll never get to use more
+// references until we start adding hacks like
+// these until other places catch up.
+BufferView * perv(BufferView const & bv)
+{
+ return const_cast<BufferView *>(&bv);
+}
+
+} // namespace anon
+
+
+RowPainter::RowPainter(BufferView const & bv, LyXText const & text, Row const & row)
+ : bv_(bv), pain_(bv_.painter()), text_(text), row_(row), par_(*row.par())
+{
+}
+
+
+/// "temporary"
+LyXFont const RowPainter::getFont(pos_type pos) const
+{
+ Paragraph * perverted_par = const_cast<Paragraph *>(&par_);
+ return text_.getFont(bv_.buffer(), perverted_par, pos);
+}
+
+
+int RowPainter::singleWidth(lyx::pos_type pos) const
+{
+ BufferView * bv(perv(bv_));
+ Paragraph * par(const_cast<Paragraph*>(&par_));
+ return text_.singleWidth(bv, par, pos);
+}
+
+
+int RowPainter::singleWidth(lyx::pos_type pos, char c) const
+{
+ BufferView * bv(perv(bv_));
+ Paragraph * par(const_cast<Paragraph*>(&par_));
+ return text_.singleWidth(bv, par, pos, c);
+}
+
+
+LyXFont const RowPainter::getLabelFont() const
+{
+ Paragraph * par(const_cast<Paragraph*>(&par_));
+ return text_.getLabelFont(bv_.buffer(), par);
+}
+
+
+char const RowPainter::transformChar(char c, lyx::pos_type pos) const
+{
+ Paragraph * par(const_cast<Paragraph*>(&par_));
+ return text_.transformChar(c, par, pos);
+}
+
+
+int RowPainter::leftMargin() const
+{
+ BufferView * bv(perv(bv_));
+ Row * row(const_cast<Row *>(&row_));
+ return text_.leftMargin(bv, row);
+}
+
+
+void RowPainter::paintNewline(pos_type const pos)
+{
+ LyXFont const font = getFont(pos);
+ int const wid = font_metrics::width('n', font);
+ int const asc = font_metrics::maxAscent(font);
+ int const y = yo_ + row_.baseline();
+ // FIXME: rtl_pos, or ltr_pos ?
+ bool const rtl_pos = (text_.bidi_level(pos) % 2 == 0);
+ int xp[3];
+ int yp[3];
+
+ yp[0] = int(y - 0.875 * asc * 0.75);
+ yp[1] = int(y - 0.500 * asc * 0.75);
+ yp[2] = int(y - 0.125 * asc * 0.75);
+
+ if (rtl_pos) {
+ xp[0] = int(x_ + wid * 0.375);
+ xp[1] = int(x_);
+ xp[2] = int(x_ + wid * 0.375);
+ } else {
+ xp[0] = int(x_ + wid * 0.625);
+ xp[1] = int(x_ + wid);
+ xp[2] = int(x_ + wid * 0.625);
+ }
+
+ pain_.lines(xp, yp, 3, LColor::eolmarker);
+
+ yp[0] = int(y - 0.500 * asc * 0.75);
+ yp[1] = int(y - 0.500 * asc * 0.75);
+ yp[2] = int(y - asc * 0.75);
+
+ if (rtl_pos) {
+ xp[0] = int(x_);
+ xp[1] = int(x_ + wid);
+ xp[2] = int(x_ + wid);
+ } else {
+ xp[0] = int(x_ + wid);
+ xp[1] = int(x_);
+ xp[2] = int(x_);
+ }
+
+ pain_.lines(xp, yp, 3, LColor::eolmarker);
+
+ x_ += wid;
+}
+
+
+bool RowPainter::paintInset(pos_type const pos)
+{
+ Inset * inset = const_cast<Inset*>(par_.getInset(pos));
+
+ lyx::Assert(inset);
+
+ LyXFont const & font = getFont(pos);
+
+ inset->update(perv(bv_), font, false);
+ inset->draw(perv(bv_), font, yo_ + row_.baseline(), x_, cleared_);
+
+ // return true if something changed when we drew an inset
+
+ return (!text_.need_break_row && !text_.isInInset()
+ && bv_.text->status() == LyXText::CHANGED_IN_DRAW);
+}
+
+
+void RowPainter::paintHebrewComposeChar(pos_type & vpos)
+{
+ pos_type pos = text_.vis2log(vpos);
+
+ string str;
+
+ // first char
+ char c = par_.getChar(pos);
+ str += c;
+ ++vpos;
+
+ LyXFont const & font = getFont(pos);
+ int const width = font_metrics::width(c, font);
+ int dx = 0;
+
+ for (pos_type i = pos - 1; i >= 0; --i) {
+ c = par_.getChar(i);
+ if (!Encodings::IsComposeChar_hebrew(c)) {
+ if (IsPrintableNonspace(c)) {
+ int const width2 =
+ singleWidth(i, c);
+ // dalet / resh
+ dx = (c == 'ø' || c == 'ã')
+ ? width2 - width
+ : (width2 - width) / 2;
+ }
+ break;
+ }
+ }
+
+ // Draw nikud
+ pain_.text(int(x_) + dx, yo_ + row_.baseline(), str, font);
+}
+
+
+void RowPainter::paintArabicComposeChar(pos_type & vpos)
+{
+ pos_type pos = text_.vis2log(vpos);
+ string str;
+
+ // first char
+ char c = par_.getChar(pos);
+ c = transformChar(c, pos);
+ str +=c;
+ ++vpos;
+
+ LyXFont const & font = getFont(pos);
+ int const width = font_metrics::width(c, font);
+ int dx = 0;
+
+ for (pos_type i = pos-1; i >= 0; --i) {
+ c = par_.getChar(i);
+ if (!Encodings::IsComposeChar_arabic(c)) {
+ if (IsPrintableNonspace(c)) {
+ int const width2 =
+ singleWidth(i, c);
+ dx = (width2 - width) / 2;
+ }
+ break;
+ }
+ }
+ // Draw nikud
+ pain_.text(int(x_) + dx, yo_ + row_.baseline(), str, font);
+}
+
+
+void RowPainter::paintChars(pos_type & vpos, bool hebrew, bool arabic)
+{
+ pos_type pos = text_.vis2log(vpos);
+ pos_type const last = row_.lastPrintablePos();
+ LyXFont orig_font(getFont(pos));
+
+ // first character
+ string str;
+ str += par_.getChar(pos);
+ if (arabic) {
+ unsigned char c = str[0];
+ str[0] = transformChar(c, pos);
+ }
+
+ bool prev_struckout(isDeletedText(par_, pos));
+ bool prev_newtext(isInsertedText(par_, pos));
+
+ ++vpos;
+
+ // collect as much similar chars as we can
+ while (vpos <= last && (pos = text_.vis2log(vpos)) >= 0) {
+ char c = par_.getChar(pos);
+
+ if (!IsPrintableNonspace(c))
+ break;
+
+ if (prev_struckout != isDeletedText(par_, pos))
+ break;
+
+ if (prev_newtext != isInsertedText(par_, pos))
+ break;
+
+ if (arabic && Encodings::IsComposeChar_arabic(c))
+ break;
+ if (hebrew && Encodings::IsComposeChar_hebrew(c))
+ break;
+
+ if (orig_font != getFont(pos))
+ break;
+
+ if (arabic)
+ c = transformChar(c, pos);
+ str += c;
+ ++vpos;
+ }
+
+ if (prev_struckout) {
+ orig_font.setColor(LColor::strikeout);
+ } else if (prev_newtext) {
+ orig_font.setColor(LColor::newtext);
+ }
+
+ // Draw text and set the new x position
+ pain_.text(int(x_), yo_ + row_.baseline(), str, orig_font);
+ x_ += font_metrics::width(str, orig_font);
+}
+
+
+void RowPainter::paintForeignMark(float const orig_x, LyXFont const & orig_font)
+{
+ if (!lyxrc.mark_foreign_language)
+ return;
+ if (orig_font.language() == latex_language)
+ return;
+ if (orig_font.language() == bv_.buffer()->params.language)
+ return;
+
+ int const y = yo_ + row_.baseline() + 1;
+ pain_.line(int(orig_x), y, int(x_), y, LColor::language);
+}
+
+
+bool RowPainter::paintFromPos(pos_type & vpos)
+{
+ pos_type const pos = text_.vis2log(vpos);
+
+ LyXFont const & orig_font = getFont(pos);
+
+ float const orig_x = x_;
+
+ char const c = par_.getChar(pos);
+
+ if (IsNewlineChar(c)) {
+ ++vpos;
+ paintNewline(pos);
+ return true;
+ } else if (IsInsetChar(c)) {
+ if (paintInset(pos))
+ return true;
+ ++vpos;
+ paintForeignMark(orig_x, orig_font);
+ return false;
+ }
+
+ // usual characters, no insets
+
+ // special case languages
+ bool const hebrew = (orig_font.language()->lang() == "hebrew");
+ bool const arabic =
+ orig_font.language()->lang() == "arabic" &&
+ (lyxrc.font_norm_type == LyXRC::ISO_8859_6_8 ||
+ lyxrc.font_norm_type == LyXRC::ISO_10646_1);
+
+ // draw as many chars as we can
+ if ((!hebrew && !arabic)
+ || (hebrew && !Encodings::IsComposeChar_hebrew(c))
+ || (arabic && !Encodings::IsComposeChar_arabic(c))) {
+ paintChars(vpos, hebrew, arabic);
+ } else if (hebrew) {
+ paintHebrewComposeChar(vpos);
+ } else if (arabic) {
+ paintArabicComposeChar(vpos);
+ }
+
+ paintForeignMark(orig_x, orig_font);
+
+ return false;
+}
+
+
+bool RowPainter::paintBackground()
+{
+ pos_type const last = row_.lastPrintablePos();
+ bool clear_area = true;
+ Inset const * inset = 0;
+
+ if (!bv_.screen().forceClear() && last == row_.pos()
+ && par_.isInset(row_.pos())) {
+ inset = par_.getInset(row_.pos());
+ clear_area = inset->doClearArea();
+ }
+
+ if (cleared_) {
+ return true;
+ }
+
+ if (clear_area) {
+ int const x = xo_;
+ int const y = yo_ < 0 ? 0 : yo_;
+ int const h = yo_ < 0 ? row_.height() + yo_ : row_.height();
+ pain_.fillRectangle(x, y, width_, h, text_.backgroundColor());
+ return true;
+ }
+
+ if (!inset)
+ return false;
+
+ LyXFont font(LyXFont::ALL_SANE);
+
+ // FIXME
+ BufferView * bv = perv(bv_);
+
+ int h = row_.baseline() - inset->ascent(bv, font);
+
+ // first clear the whole row above the inset!
+ if (h > 0) {
+ pain_.fillRectangle(xo_, yo_, width_, h, text_.backgroundColor());
+ }
+
+ // clear the space below the inset!
+ h += inset->ascent(bv, font) + inset->descent(bv, font);
+ if ((row_.height() - h) > 0) {
+ pain_.fillRectangle(xo_, yo_ + h,
+ width_, row_.height() - h, text_.backgroundColor());
+ }
+
+ // clear the space behind the inset, if needed
+ if (!inset->display() && !inset->needFullRow()) {
+ int const xp = int(x_) + inset->width(bv, font);
+ if (width_ - xp > 0) {
+ pain_.fillRectangle(xp, yo_, width_ - xp,
+ row_.height(), text_.backgroundColor());
+ }
+ }
+
+ return false;
+}
+
+
+void RowPainter::paintSelection()
+{
+ bool const is_rtl = par_.isRightToLeftPar(bv_.buffer()->params);
+
+ // the current selection
+ int const startx = text_.selection.start.x();
+ int const endx = text_.selection.end.x();
+ int const starty = text_.selection.start.y();
+ int const endy = text_.selection.end.y();
+ Row const * startrow = text_.selection.start.row();
+ Row const * endrow = text_.selection.end.row();
+
+ // Bleh.
+ Row const * row = &row_;
+
+ if (text_.bidi_same_direction) {
+ int x;
+ int y = yo_;
+ int w;
+ int h = row_.height();
+
+ if (startrow == row && endrow == row) {
+ if (startx < endx) {
+ x = xo_ + startx;
+ w = endx - startx;
+ pain_.fillRectangle(x, y, w, h, LColor::selection);
+ } else {
+ x = xo_ + endx;
+ w = startx - endx;
+ pain_.fillRectangle(x, y, w, h, LColor::selection);
+ }
+ } else if (startrow == row) {
+ int const x = (is_rtl) ? xo_ : (xo_ + startx);
+ int const w = (is_rtl) ? startx : (width_ - startx);
+ pain_.fillRectangle(x, y, w, h, LColor::selection);
+ } else if (endrow == row) {
+ int const x = (is_rtl) ? (xo_ + endx) : xo_;
+ int const w = (is_rtl) ? (width_ - endx) : endx;
+ pain_.fillRectangle(x, y, w, h, LColor::selection);
+ } else if (y_ > starty && y_ < endy) {
+ pain_.fillRectangle(xo_, y, width_, h, LColor::selection);
+ }
+ return;
+ } else if (startrow != row && endrow != row) {
+ if (y_ > starty && y_ < endy) {
+ int w = width_;
+ int h = row_.height();
+ pain_.fillRectangle(xo_, yo_, w, h, LColor::selection);
+ }
+ return;
+ }
+
+ if ((startrow != row && !is_rtl) || (endrow != row && is_rtl))
+ pain_.fillRectangle(xo_, yo_, int(x_), row_.height(), LColor::selection);
+
+ pos_type const main_body = par_.beginningOfMainBody();
+ pos_type const last = row_.lastPrintablePos();
+ float tmpx = x_;
+
+ for (pos_type vpos = row_.pos(); vpos <= last; ++vpos) {
+ pos_type pos = text_.vis2log(vpos);
+ float const old_tmpx = tmpx;
+ if (main_body > 0 && pos == main_body - 1) {
+ LyXLayout_ptr const & layout = par_.layout();
+ LyXFont const lfont = getLabelFont();
+
+ tmpx += label_hfill_ + font_metrics::width(layout->labelsep, lfont);
+
+ if (par_.isLineSeparator(main_body - 1))
+ tmpx -= singleWidth(main_body - 1);
+ }
+
+ if (row_.hfillExpansion(pos)) {
+ tmpx += singleWidth(pos);
+ if (pos >= main_body)
+ tmpx += hfill_;
+ else
+ tmpx += label_hfill_;
+ }
+
+ else if (par_.isSeparator(pos)) {
+ tmpx += singleWidth(pos);
+ if (pos >= main_body)
+ tmpx += separator_;
+ } else {
+ tmpx += singleWidth(pos);
+ }
+
+ if ((startrow != row || text_.selection.start.pos() <= pos) &&
+ (endrow != row || pos < text_.selection.end.pos())) {
+ // Here we do not use x_ as xo_ was added to x_.
+ pain_.fillRectangle(int(old_tmpx), yo_,
+ int(tmpx - old_tmpx + 1),
+ row_.height(), LColor::selection);
+ }
+ }
+
+ if ((startrow != row && is_rtl) || (endrow != row && !is_rtl)) {
+ pain_.fillRectangle(xo_ + int(tmpx),
+ yo_, int(bv_.workWidth() - tmpx),
+ row_.height(), LColor::selection);
+ }
+}
+
+
+void RowPainter::paintChangeBar()
+{
+ pos_type const start = row_.pos();
+ pos_type const end = row_.lastPrintablePos();
+
+ if (!par_.isChanged(start, end))
+ return;
+
+ int const height = (row_.next()
+ ? row_.height() + row_.next()->top_of_text()
+ : row_.baseline());
+
+ pain_.fillRectangle(4, yo_, 5, height, LColor::changebar);
+}
+
+
+void RowPainter::paintAppendix()
+{
+ // FIXME: can be just width_ ?
+ int const ww = bv_.workWidth();
+
+ if (par_.params().appendix()) {
+ pain_.line(1, yo_, 1, yo_ + row_.height(), LColor::appendixline);
+ pain_.line(ww - 2, yo_, ww - 2, yo_ + row_.height(), LColor::appendixline);
+ }
+}
+
+
+void RowPainter::paintDepthBar()
+{
+ Paragraph::depth_type const depth = par_.getDepth();
+
+ if (depth <= 0)
+ return;
+
+ Paragraph::depth_type prev_depth = 0;
+ if (row_.previous())
+ prev_depth = row_.previous()->par()->getDepth();
+ Paragraph::depth_type next_depth = 0;
+ if (row_.next())
+ next_depth = row_.next()->par()->getDepth();
+
+ for (Paragraph::depth_type i = 1; i <= depth; ++i) {
+ int x = (PAPER_MARGIN / 5) * i + xo_;
+ // only consider the changebar space if we're drawing outer left
+ if (!xo_)
+ x += CHANGEBAR_MARGIN;
+ int const h = yo_ + row_.height() - 1 - (i - next_depth - 1) * 3;
+
+ pain_.line(x, yo_, x, h, LColor::depthbar);
+
+ int const w = PAPER_MARGIN / 5;
+
+ if (i > prev_depth) {
+ pain_.fillRectangle(x, yo_, w, 2, LColor::depthbar);
+ }
+ if (i > next_depth) {
+ pain_.fillRectangle(x, h, w, 2, LColor::depthbar);
+ }
+ }
+}
+
+
+int getLengthMarkerHeight(BufferView const & bv, VSpace const & vsp)
+{
+ if (vsp.kind() == VSpace::NONE)
+ return 0;
+
+ int const arrow_size = 4;
+ int const space_size = int(vsp.inPixels(bv));
+
+ LyXFont font;
+ font.decSize();
+ int const min_size = max(3 * arrow_size,
+ font_metrics::maxAscent(font)
+ + font_metrics::maxDescent(font));
+
+ if (vsp.length().len().value() < 0.0)
+ return min_size;
+ else
+ return max(min_size, space_size);
+}
+
+
+int RowPainter::paintLengthMarker(string const & prefix, VSpace const & vsp, int start)
+{
+ if (vsp.kind() == VSpace::NONE)
+ return 0;
+
+ int const arrow_size = 4;
+ int const size = getLengthMarkerHeight(bv_, vsp);
+ int const end = start + size;
+
+ // the label to display (if any)
+ string str;
+ // y-values for top arrow
+ int ty1, ty2;
+ // y-values for bottom arrow
+ int by1, by2;
+
+ str = prefix + " (" + vsp.asLyXCommand() + ")";
+
+ if (vsp.kind() == VSpace::VFILL) {
+ ty1 = ty2 = start;
+ by1 = by2 = end;
+ } else {
+ // adding or removing space
+ bool const added = vsp.kind() != VSpace::LENGTH ||
+ vsp.length().len().value() > 0.0;
+ ty1 = added ? (start + arrow_size) : start;
+ ty2 = added ? start : (start + arrow_size);
+ by1 = added ? (end - arrow_size) : end;
+ by2 = added ? end : (end - arrow_size);
+ }
+
+ int const leftx = xo_ + leftMargin();
+ int const midx = leftx + arrow_size;
+ int const rightx = midx + arrow_size;
+
+ // first the string
+ int w = 0;
+ int a = 0;
+ int d = 0;
+
+ LyXFont font;
+ font.setColor(LColor::added_space).decSize().decSize();
+ font_metrics::rectText(str, font, w, a, d);
+
+ pain_.rectText(leftx + 2 * arrow_size + 5,
+ start + ((end - start) / 2) + d,
+ str, font);
+
+ // top arrow
+ pain_.line(leftx, ty1, midx, ty2, LColor::added_space);
+ pain_.line(midx, ty2, rightx, ty1, LColor::added_space);
+
+ // bottom arrow
+ pain_.line(leftx, by1, midx, by2, LColor::added_space);
+ pain_.line(midx, by2, rightx, by1, LColor::added_space);
+
+ // joining line
+ pain_.line(midx, ty2, midx, by2, LColor::added_space);
+
+ return size;
+}
+
+
+int RowPainter::paintPageBreak(string const & label, int y)
+{
+ LyXFont pb_font;
+ pb_font.setColor(LColor::pagebreak).decSize();
+
+ int w = 0;
+ int a = 0;
+ int d = 0;
+ font_metrics::rectText(label, pb_font, w, a, d);
+
+ int const text_start = xo_ + ((width_ - w) / 2);
+ int const text_end = text_start + w;
+
+ pain_.rectText(text_start, y + d, label, pb_font);
+
+ pain_.line(xo_, y, text_start, y,
+ LColor::pagebreak, Painter::line_onoffdash);
+ pain_.line(text_end, y, xo_ + width_, y,
+ LColor::pagebreak, Painter::line_onoffdash);
+
+ return 3 * defaultRowHeight();
+}
+
+
+void RowPainter::paintFirst()
+{
+ ParagraphParameters const & parparams = par_.params();
+
+ // start of appendix?
+ if (parparams.startOfAppendix()) {
+ pain_.line(1, yo_, width_ - 2, yo_, LColor::appendixline);
+ }
+
+ int y_top = 0;
+
+ // the top margin
+ if (!row_.previous() && text_.isTopLevel())
+ y_top += PAPER_MARGIN;
+
+ // draw a top pagebreak
+ if (parparams.pagebreakTop()) {
+ y_top += paintPageBreak(_("Page Break (top)"),
+ yo_ + y_top + 2 * defaultRowHeight());
+ }
+
+ // draw the additional space if needed:
+ y_top += paintLengthMarker(_("Space above"), parparams.spaceTop(),
+ yo_ + y_top);
+
+ Buffer const * buffer = bv_.buffer();
+
+ LyXLayout_ptr const & layout = par_.layout();
+
+ if (buffer->params.paragraph_separation == BufferParams::PARSEP_SKIP) {
+ if (par_.previous()) {
+ if (layout->latextype == LATEX_PARAGRAPH
+ && !par_.getDepth()) {
+ y_top += buffer->params.getDefSkip().inPixels(bv_);
+ } else {
+ LyXLayout_ptr const & playout =
+ par_.previous()->layout();
+ if (playout->latextype == LATEX_PARAGRAPH
+ && !par_.previous()->getDepth()) {
+ // is it right to use defskip here, too? (AS)
+ y_top += buffer->params.getDefSkip().inPixels(bv_);
+ }
+ }
+ }
+ }
+
+ int const ww = bv_.workWidth();
+
+ // draw a top line
+ if (parparams.lineTop()) {
+ LyXFont font(LyXFont::ALL_SANE);
+ int const asc = font_metrics::ascent('x', getFont(0));
+
+ y_top += asc;
+
+ int const w = (text_.isInInset() ? text_.inset_owner->width(perv(bv_), font) : ww);
+ int const xp = static_cast<int>(text_.isInInset() ? xo_ : 0);
+ pain_.line(xp, yo_ + y_top, xp + w, yo_ + y_top,
+ LColor::topline, Painter::line_solid,
+ Painter::line_thick);
+
+ y_top += asc;
+ }
+
+ bool const is_rtl = par_.isRightToLeftPar(bv_.buffer()->params);
+
+ // should we print a label?
+ if (layout->labeltype >= LABEL_STATIC
+ && (layout->labeltype != LABEL_STATIC
+ || layout->latextype != LATEX_ENVIRONMENT
+ || par_.isFirstInSequence())) {
+
+ LyXFont font = getLabelFont();
+ if (!par_.getLabelstring().empty()) {
+ float x = x_;
+ string const str = par_.getLabelstring();
+
+ // this is special code for the chapter layout. This is
+ // printed in an extra row and has a pagebreak at
+ // the top.
+ if (layout->labeltype == LABEL_COUNTER_CHAPTER) {
+ if (buffer->params.secnumdepth >= 0) {
+ float spacing_val = 1.0;
+ if (!parparams.spacing().isDefault()) {
+ spacing_val = parparams.spacing().getValue();
+ } else {
+ spacing_val = buffer->params.spacing.getValue();
+ }
+
+ int const maxdesc =
+ int(font_metrics::maxDescent(font) * layout->spacing.getValue() * spacing_val)
+ + int(layout->parsep) * defaultRowHeight();
+
+ if (is_rtl) {
+ x = ww - leftMargin() -
+ font_metrics::width(str, font);
+ }
+
+ pain_.text(int(x),
+ yo_ + row_.baseline() -
+ row_.ascent_of_text() - maxdesc,
+ str, font);
+ }
+ } else {
+ if (is_rtl) {
+ x = ww - leftMargin()
+ + font_metrics::width(layout->labelsep, font);
+ } else {
+ x = x_ - font_metrics::width(layout->labelsep, font)
+ - font_metrics::width(str, font);
+ }
+
+ pain_.text(int(x), yo_ + row_.baseline(), str, font);
+ }
+ }
+
+ // the labels at the top of an environment.
+ // More or less for bibliography
+ } else if (par_.isFirstInSequence() &&
+ (layout->labeltype == LABEL_TOP_ENVIRONMENT ||
+ layout->labeltype == LABEL_BIBLIO ||
+ layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT)) {
+ LyXFont font = getLabelFont();
+ if (!par_.getLabelstring().empty()) {
+ string const str = par_.getLabelstring();
+ float spacing_val = 1.0;
+ if (!parparams.spacing().isDefault()) {
+ spacing_val = parparams.spacing().getValue();
+ } else {
+ spacing_val = buffer->params.spacing.getValue();
+ }
+
+ int maxdesc =
+ int(font_metrics::maxDescent(font) * layout->spacing.getValue() * spacing_val
+ + (layout->labelbottomsep * defaultRowHeight()));
+
+ float x = x_;
+ if (layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT) {
+ x = ((is_rtl ? leftMargin() : x_)
+ + ww - text_.rightMargin(*bv_.buffer(), row_)) / 2;
+ x -= font_metrics::width(str, font) / 2;
+ } else if (is_rtl) {
+ x = ww - leftMargin() -
+ font_metrics::width(str, font);
+ }
+ pain_.text(int(x), yo_ + row_.baseline()
+ - row_.ascent_of_text() - maxdesc,
+ str, font);
+ }
+ }
+}
+
+
+void RowPainter::paintLast()
+{
+ ParagraphParameters const & parparams = par_.params();
+ int y_bottom = row_.height() - 1;
+
+ // the bottom margin
+ if (!row_.next() && text_.isTopLevel())
+ y_bottom -= PAPER_MARGIN;
+
+ int const ww = bv_.workWidth();
+
+ // draw a bottom pagebreak
+ if (parparams.pagebreakBottom()) {
+ y_bottom -= paintPageBreak(_("Page Break (bottom)"),
+ yo_ + y_bottom - 2 * defaultRowHeight());
+ }
+
+ // draw the additional space if needed:
+ int const height = getLengthMarkerHeight(bv_, parparams.spaceBottom());
+ y_bottom -= paintLengthMarker(_("Space below"), parparams.spaceBottom(),
+ yo_ + y_bottom - height);
+
+ // draw a bottom line
+ if (parparams.lineBottom()) {
+ LyXFont font(LyXFont::ALL_SANE);
+ int const asc = font_metrics::ascent('x',
+ getFont(max(pos_type(0), par_.size() - 1)));
+
+ y_bottom -= asc;
+
+ int const w = (text_.isInInset() ? text_.inset_owner->width(perv(bv_), font) : ww);
+ int const xp = static_cast<int>(text_.isInInset() ? xo_ : 0);
+ int const y = yo_ + y_bottom;
+ pain_.line(xp, y, xp + w, y, LColor::topline, Painter::line_solid,
+ Painter::line_thick);
+
+ y_bottom -= asc;
+ }
+
+ bool const is_rtl = par_.isRightToLeftPar(bv_.buffer()->params);
+ int const endlabel = par_.getEndLabel();
+
+ // draw an endlabel
+ switch (endlabel) {
+ case END_LABEL_BOX:
+ case END_LABEL_FILLED_BOX:
+ {
+ LyXFont const font = getLabelFont();
+ int const size = int(0.75 * font_metrics::maxAscent(font));
+ int const y = (yo_ + row_.baseline()) - size;
+ int x = is_rtl ? LEFT_MARGIN : ww - PAPER_MARGIN - size;
+
+ if (row_.fill() <= size)
+ x += (size - row_.fill() + 1) * (is_rtl ? -1 : 1);
+
+ if (endlabel == END_LABEL_BOX) {
+ pain_.rectangle(x, y, size, size, LColor::eolmarker);
+ } else {
+ pain_.fillRectangle(x, y, size, size, LColor::eolmarker);
+ }
+ break;
+ }
+ case END_LABEL_STATIC:
+ {
+#if 0
+ LyXFont font(LyXFont::ALL_SANE);
+ font = getLabelFont();
+#else
+ LyXFont font = getLabelFont();
+#endif
+ string const & str = par_.layout()->endlabelstring();
+ int const x = is_rtl ?
+ int(x_) - font_metrics::width(str, font)
+ : ww - text_.rightMargin(*bv_.buffer(), row_) - row_.fill();
+ pain_.text(x, yo_ + row_.baseline(), str, font);
+ break;
+ }
+ case END_LABEL_NO_LABEL:
+ break;
+ }
+}
+
+
+bool RowPainter::paintText()
+{
+ pos_type const last = row_.lastPrintablePos();
+ pos_type main_body = par_.beginningOfMainBody();
+ if (main_body > 0 &&
+ (main_body - 1 > last ||
+ !par_.isLineSeparator(main_body - 1))) {
+ main_body = 0;
+ }
+
+ LyXLayout_ptr const & layout = par_.layout();
+
+ bool running_strikeout = false;
+ bool is_struckout = false;
+ float last_strikeout_x = 0.0;
+
+ pos_type vpos = row_.pos();
+ while (vpos <= last) {
+ if (x_ > bv_.workWidth())
+ break;
+ pos_type pos = text_.vis2log(vpos);
+
+ if (x_ + singleWidth(pos) < 0) {
+ x_ += singleWidth(pos);
+ ++vpos;
+ continue;
+ }
+
+ is_struckout = isDeletedText(par_, pos);
+
+ if (is_struckout && !running_strikeout) {
+ running_strikeout = true;
+ last_strikeout_x = x_;
+ }
+
+ bool const highly_editable_inset = par_.isInset(pos)
+ && isHighlyEditableInset(par_.getInset(pos));
+
+ // if we reach the end of a struck out range, paint it
+ // we also don't paint across things like tables
+ if (running_strikeout && (highly_editable_inset || !is_struckout)) {
+ int const middle = yo_ + row_.top_of_text()
+ + ((row_.baseline() - row_.top_of_text()) / 2);
+ pain_.line(int(last_strikeout_x), middle, int(x_), middle,
+ LColor::strikeout, Painter::line_solid, Painter::line_thin);
+ running_strikeout = false;
+ }
+
+ if (main_body > 0 && pos == main_body - 1) {
+ int const lwidth = font_metrics::width(layout->labelsep,
+ getLabelFont());
+
+ x_ += label_hfill_ + lwidth
+ - singleWidth(main_body - 1);
+ }
+
+ if (par_.isHfill(pos)) {
+ x_ += 1;
+
+ int const y0 = yo_ + row_.baseline();
+ int const y1 = y0 - defaultRowHeight() / 2;
+
+ pain_.line(int(x_), y1, int(x_), y0,
+ LColor::added_space);
+
+ if (row_.hfillExpansion(pos)) {
+ int const y2 = (y0 + y1) / 2;
+
+ if (pos >= main_body) {
+ pain_.line(int(x_), y2,
+ int(x_ + hfill_), y2,
+ LColor::added_space,
+ Painter::line_onoffdash);
+ x_ += hfill_;
+ } else {
+ pain_.line(int(x_), y2,
+ int(x_ + label_hfill_), y2,
+ LColor::added_space,
+ Painter::line_onoffdash);
+ x_ += label_hfill_;
+ }
+ pain_.line(int(x_), y1,
+ int(x_), y0,
+ LColor::added_space);
+ }
+ x_ += 2;
+ ++vpos;
+ } else if (par_.isSeparator(pos)) {
+ x_ += singleWidth(pos);
+ if (pos >= main_body)
+ x_ += separator_;
+ ++vpos;
+ } else {
+ if (paintFromPos(vpos))
+ return true;
+ }
+ }
+
+ // if we reach the end of a struck out range, paint it
+ if (running_strikeout) {
+ int const middle = yo_ + row_.top_of_text()
+ + ((row_.baseline() - row_.top_of_text()) / 2);
+ pain_.line(int(last_strikeout_x), middle, int(x_), middle,
+ LColor::strikeout, Painter::line_solid, Painter::line_thin);
+ running_strikeout = false;
+ }
+ return false;
+}
+
+
+bool RowPainter::paint(int y_offset, int x_offset, int y, bool cleared)
+{
+ xo_ = x_offset;
+ yo_ = y_offset;
+ y_ = y;
+ cleared_ = cleared;
+ width_ = text_.isInInset()
+ ? text_.inset_owner->textWidth(perv(bv_), true) : bv_.workWidth();
+
+ // FIXME: must be a cleaner way here. Aren't these calculations
+ // belonging to row metrics ?
+ BufferView * bv(const_cast<BufferView *>(&bv_));
+ Row * row(const_cast<Row *>(&row_));
+ text_.prepareToPrint(bv, row, x_, separator_, hfill_, label_hfill_);
+
+ // FIXME: what is this fixing ?
+ if (text_.isInInset() && (x_ < 0))
+ x_ = 0;
+ x_ += xo_;
+
+ // clear to background if necessary
+ cleared_ = paintBackground();
+
+ // paint the selection background
+ if (text_.selection.set()) {
+ paintSelection();
+ }
+
+ // vertical lines for appendix
+ paintAppendix();
+
+ // environment depth brackets
+ paintDepthBar();
+
+ // changebar
+ paintChangeBar();
+
+ if (row_.isParStart()) {
+ paintFirst();
+ }
+
+ if (row_.isParEnd()) {
+ paintLast();
+ }
+
+ // paint text
+ return paintText();
+}
#include "undo_funcs.h"
#include "WordLangTuple.h"
#include "paragraph_funcs.h"
+#include "rowpainter.h"
#include "insets/insettext.h"
using std::pair;
using lyx::pos_type;
-namespace {
-
/// top, right, bottom pixel margin
-int const PAPER_MARGIN = 20;
+extern int const PAPER_MARGIN = 20;
/// margin for changebar
-int const CHANGEBAR_MARGIN = 10;
+extern int const CHANGEBAR_MARGIN = 10;
/// left margin
-int const LEFT_MARGIN = PAPER_MARGIN + CHANGEBAR_MARGIN;
-
-} // namespace anon
+extern int const LEFT_MARGIN = PAPER_MARGIN + CHANGEBAR_MARGIN;
extern int bibitemMaxWidth(BufferView *, LyXFont const &);
-int LyXText::workWidth(BufferView * bview) const
+int LyXText::workWidth(BufferView & bview) const
{
if (inset_owner) {
- return inset_owner->textWidth(bview);
+ // FIXME: pass (const ?) ref
+ return inset_owner->textWidth(&bview);
}
- return bview->workWidth();
+ return bview.workWidth();
}
-int LyXText::workWidth(BufferView * bview, Inset * inset) const
+int LyXText::workWidth(BufferView & bview, Inset * inset) const
{
- Paragraph * par = 0;
- pos_type pos = -1;
-
- par = inset->parOwner();
- if (par)
- pos = par->getPositionOfInset(inset);
-
- if (!par || pos == -1) {
- lyxerr << "LyXText::workWidth: something is wrong,"
- " fall back to the brute force method" << endl;
- Buffer::inset_iterator it = bview->buffer()->inset_iterator_begin();
- Buffer::inset_iterator end = bview->buffer()->inset_iterator_end();
- for (; it != end; ++it) {
- if (&(*it) == inset) {
- par = it.getPar();
- pos = it.getPos();
- break;
- }
- }
- }
+ Paragraph * par = inset->parOwner();
+ lyx::Assert(par);
- if (!par) {
- return workWidth(bview);
- }
+ pos_type pos = par->getPositionOfInset(inset);
+ lyx::Assert(pos != -1);
LyXLayout_ptr const & layout = par->layout();
Row dummyrow;
dummyrow.par(par);
dummyrow.pos(pos);
- return workWidth(bview) - leftMargin(bview, &dummyrow);
+ return workWidth(bview) - leftMargin(&bview, &dummyrow);
} else {
int dummy_y;
Row * row = getRow(par, pos, dummy_y);
Row * frow = row;
while (frow->previous() && frow->par() == frow->previous()->par())
frow = frow->previous();
+
+ // FIXME: I don't understand this code - jbl
+
unsigned int maxw = 0;
- while (frow->next() && frow->par() == frow->next()->par()) {
+ while (!frow->isParEnd()) {
if ((frow != row) && (maxw < frow->width()))
maxw = frow->width();
frow = frow->next();
}
if (maxw)
return maxw;
+
}
return workWidth(bview);
}
}
-void LyXText::drawNewline(DrawRowParams & p, pos_type const pos)
-{
- // Draw end-of-line marker
- LyXFont const font = getFont(p.bv->buffer(), p.row->par(), pos);
- int const wid = font_metrics::width('n', font);
- int const asc = font_metrics::maxAscent(font);
- int const y = p.yo + p.row->baseline();
- int xp[3];
- int yp[3];
-
- yp[0] = int(y - 0.875 * asc * 0.75);
- yp[1] = int(y - 0.500 * asc * 0.75);
- yp[2] = int(y - 0.125 * asc * 0.75);
-
- if (bidi_level(pos) % 2 == 0) {
- xp[0] = int(p.x + wid * 0.375);
- xp[1] = int(p.x);
- xp[2] = int(p.x + wid * 0.375);
- } else {
- xp[0] = int(p.x + wid * 0.625);
- xp[1] = int(p.x + wid);
- xp[2] = int(p.x + wid * 0.625);
- }
-
- p.pain->lines(xp, yp, 3, LColor::eolmarker);
-
- yp[0] = int(y - 0.500 * asc * 0.75);
- yp[1] = int(y - 0.500 * asc * 0.75);
- yp[2] = int(y - asc * 0.75);
-
- if (bidi_level(pos) % 2 == 0) {
- xp[0] = int(p.x);
- xp[1] = int(p.x + wid);
- xp[2] = int(p.x + wid);
- } else {
- xp[0] = int(p.x + wid);
- xp[1] = int(p.x);
- xp[2] = int(p.x);
- }
-
- p.pain->lines(xp, yp, 3, LColor::eolmarker);
-
- p.x += wid;
-}
-
-
-bool LyXText::drawInset(DrawRowParams & p, pos_type const pos)
-{
- Inset * inset = p.row->par()->getInset(pos);
-
- // FIXME: shouldn't happen
- if (!inset) {
- return true;
- }
-
- LyXFont const & font = getFont(p.bv->buffer(), p.row->par(), pos);
- // we need this here as the row pointer may be illegal
- // at a later time (Jug20020502)
- Row * prev = p.row->previous();
-
- inset->update(p.bv, font, false);
- inset->draw(p.bv, font, p.yo + p.row->baseline(), p.x, p.cleared);
-
- if (!need_break_row && !inset_owner
- && p.bv->text->status() == CHANGED_IN_DRAW) {
- if (prev && prev->par() == p.row->par()) {
- breakAgainOneRow(p.bv, prev);
- if (prev->next() != p.row) {
- // breakAgainOneRow() has removed p.row
- p.row = 0; // see what this breaks
- need_break_row = prev;
- } else {
- need_break_row = p.row;
- }
- } else if (!prev) {
- need_break_row = firstrow;
- } else {
- need_break_row = prev->next();
- }
- setCursor(p.bv, cursor.par(), cursor.pos());
- return false;
- }
- return true;
-}
-
-
-void LyXText::drawForeignMark(DrawRowParams & p, float const orig_x, LyXFont const & orig_font)
-{
- if (!lyxrc.mark_foreign_language)
- return;
- if (orig_font.language() == latex_language)
- return;
- if (orig_font.language() == p.bv->buffer()->params.language)
- return;
-
- int const y = p.yo + p.row->baseline() + 1;
- p.pain->line(int(orig_x), y, int(p.x), y, LColor::language);
-}
-
-
-void LyXText::drawHebrewComposeChar(DrawRowParams & p, pos_type & vpos)
-{
- pos_type pos = vis2log(vpos);
-
- string str;
-
- // first char
- char c = p.row->par()->getChar(pos);
- str += c;
- ++vpos;
-
- LyXFont const & font = getFont(p.bv->buffer(), p.row->par(), pos);
- int const width = font_metrics::width(c, font);
- int dx = 0;
-
- for (pos_type i = pos-1; i >= 0; --i) {
- c = p.row->par()->getChar(i);
- if (!Encodings::IsComposeChar_hebrew(c)) {
- if (IsPrintableNonspace(c)) {
- int const width2 =
- singleWidth(p.bv, p.row->par(), i, c);
- // dalet / resh
- dx = (c == 'ø' || c == 'ã')
- ? width2 - width
- : (width2 - width) / 2;
- }
- break;
- }
- }
-
- // Draw nikud
- p.pain->text(int(p.x) + dx, p.yo + p.row->baseline(), str, font);
-}
-
-
-void LyXText::drawArabicComposeChar(DrawRowParams & p, pos_type & vpos)
-{
- pos_type pos = vis2log(vpos);
- string str;
-
- // first char
- char c = p.row->par()->getChar(pos);
- c = transformChar(c, p.row->par(), pos);
- str +=c;
- ++vpos;
-
- LyXFont const & font = getFont(p.bv->buffer(), p.row->par(), pos);
- int const width = font_metrics::width(c, font);
- int dx = 0;
-
- for (pos_type i = pos-1; i >= 0; --i) {
- c = p.row->par()->getChar(i);
- if (!Encodings::IsComposeChar_arabic(c)) {
- if (IsPrintableNonspace(c)) {
- int const width2 =
- singleWidth(p.bv, p.row->par(), i, c);
- dx = (width2 - width) / 2;
- }
- break;
- }
- }
- // Draw nikud
- p.pain->text(int(p.x) + dx, p.yo + p.row->baseline(), str, font);
-}
-
-
-void LyXText::drawChars(DrawRowParams & p, pos_type & vpos,
- bool hebrew, bool arabic)
-{
- pos_type pos = vis2log(vpos);
- pos_type const last = p.row->lastPrintablePos();
- LyXFont orig_font(getFont(p.bv->buffer(), p.row->par(), pos));
-
- // first character
- string str;
- str += p.row->par()->getChar(pos);
- if (arabic) {
- unsigned char c = str[0];
- str[0] = transformChar(c, p.row->par(), pos);
- }
-
- bool prev_struckout(isDeletedText(p.row->par(), pos));
- bool prev_newtext(isInsertedText(p.row->par(), pos));
-
- ++vpos;
-
- // collect as much similar chars as we can
- while (vpos <= last && (pos = vis2log(vpos)) >= 0) {
- char c = p.row->par()->getChar(pos);
-
- if (!IsPrintableNonspace(c))
- break;
-
- if (prev_struckout != isDeletedText(p.row->par(), pos))
- break;
-
- if (prev_newtext != isInsertedText(p.row->par(), pos))
- break;
-
- if (arabic && Encodings::IsComposeChar_arabic(c))
- break;
- if (hebrew && Encodings::IsComposeChar_hebrew(c))
- break;
-
- if (orig_font != getFont(p.bv->buffer(), p.row->par(), pos))
- break;
-
- if (arabic)
- c = transformChar(c, p.row->par(), pos);
- str += c;
- ++vpos;
- }
-
- if (prev_struckout) {
- orig_font.setColor(LColor::strikeout);
- } else if (prev_newtext) {
- orig_font.setColor(LColor::newtext);
- }
-
- // Draw text and set the new x position
- p.pain->text(int(p.x), p.yo + p.row->baseline(), str, orig_font);
- p.x += font_metrics::width(str, orig_font);
-}
-
-
-bool LyXText::draw(DrawRowParams & p, pos_type & vpos)
-{
- pos_type const pos = vis2log(vpos);
- Paragraph * par = p.row->par();
-
- LyXFont const & orig_font = getFont(p.bv->buffer(), par, pos);
-
- float const orig_x = p.x;
-
- char const c = par->getChar(pos);
-
- if (IsNewlineChar(c)) {
- ++vpos;
- drawNewline(p, pos);
- return true;
- } else if (IsInsetChar(c)) {
- if (!drawInset(p, pos))
- return false;
- ++vpos;
- drawForeignMark(p, orig_x, orig_font);
- return true;
- }
-
- // usual characters, no insets
-
- // special case languages
- bool const hebrew = (orig_font.language()->lang() == "hebrew");
- bool const arabic =
- orig_font.language()->lang() == "arabic" &&
- (lyxrc.font_norm_type == LyXRC::ISO_8859_6_8 ||
- lyxrc.font_norm_type == LyXRC::ISO_10646_1);
-
- // draw as many chars as we can
- if ((!hebrew && !arabic)
- || (hebrew && !Encodings::IsComposeChar_hebrew(c))
- || (arabic && !Encodings::IsComposeChar_arabic(c))) {
- drawChars(p, vpos, hebrew, arabic);
- } else if (hebrew) {
- drawHebrewComposeChar(p, vpos);
- } else if (arabic) {
- drawArabicComposeChar(p, vpos);
- }
-
- drawForeignMark(p, orig_x, orig_font);
-
- return true;
-}
-
-
int LyXText::leftMargin(BufferView * bview, Row const * row) const
{
Inset * ins;
break;
}
- if ((workWidth(bview) > 0) &&
+ if ((workWidth(*bview) > 0) &&
!row->par()->params().leftIndent().zero())
{
LyXLength const len = row->par()->params().leftIndent();
int const tw = inset_owner ?
- inset_owner->latexTextWidth(bview) : workWidth(bview);
+ inset_owner->latexTextWidth(bview) : workWidth(*bview);
x += len.inPixels(tw);
}
}
-int LyXText::rightMargin(Buffer const * buf, Row const * row) const
+int LyXText::rightMargin(Buffer const & buf, Row const & row) const
{
Inset * ins;
- if ((row->par()->getChar(row->pos()) == Paragraph::META_INSET) &&
- (ins=row->par()->getInset(row->pos())) &&
+ if ((row.par()->getChar(row.pos()) == Paragraph::META_INSET) &&
+ (ins=row.par()->getInset(row.pos())) &&
(ins->needFullRow() || ins->display()))
return PAPER_MARGIN;
- LyXTextClass const & tclass = buf->params.getLyXTextClass();
- LyXLayout_ptr const & layout = row->par()->layout();
+ LyXTextClass const & tclass = buf.params.getLyXTextClass();
+ LyXLayout_ptr const & layout = row.par()->layout();
int x = PAPER_MARGIN
+ font_metrics::signedWidth(tclass.rightmargin(),
// this is the way, LyX handles the LaTeX-Environments.
// I have had this idea very late, so it seems to be a
// later added hack and this is true
- if (row->par()->getDepth()) {
+ if (row.par()->getDepth()) {
// find the next level paragraph
- Paragraph * newpar = row->par();
+ Paragraph const * newpar = row.par();
do {
newpar = newpar->previous();
} while (newpar
- && newpar->getDepth() >= row->par()->getDepth());
+ && newpar->getDepth() >= row.par()->getDepth());
// make a corresponding row. Needed to call LeftMargin()
// check wether it is a sufficent paragraph
if (newpar && newpar->layout()->isEnvironment()) {
Row dummyrow;
- dummyrow.par(newpar);
+ dummyrow.par(const_cast<Paragraph *>(newpar));
dummyrow.pos(0);
- x = rightMargin(buf, &dummyrow);
+ x = rightMargin(buf, dummyrow);
} else {
// this is no longer an error, because this function
// is used to clear impossible depths after changing
// a layout. Since there is always a redo,
// LeftMargin() is always called
- row->par()->params().depth(0);
+ row.par()->params().depth(0);
}
}
//lyxerr << "rightmargin: " << layout->rightmargin << endl;
x += font_metrics::signedWidth(layout->rightmargin,
tclass.defaultfont())
- * 4 / (row->par()->getDepth() + 4);
+ * 4 / (row.par()->getDepth() + 4);
return x;
}
-int LyXText::labelEnd(BufferView * bview, Row const * row) const
+int LyXText::labelEnd(BufferView & bview, Row const & row) const
{
- if (row->par()->layout()->margintype == MARGIN_MANUAL) {
- Row tmprow;
- tmprow = *row;
- tmprow.pos(row->par()->size());
+ if (row.par()->layout()->margintype == MARGIN_MANUAL) {
+ Row tmprow = row;
+ tmprow.pos(row.par()->size());
// just the beginning of the main body
- return leftMargin(bview, &tmprow);
- } else {
- // LabelEnd is only needed,
- // if the layout fills a flushleft label.
- return 0;
+ return leftMargin(&bview, &tmprow);
}
+
+ // LabelEnd is only needed if the layout
+ // fills a flushleft label.
+ return 0;
}
// position of the last possible breakpoint
// -1 isn't a suitable value, but a flag
pos_type last_separator = -1;
- width -= rightMargin(bview->buffer(), row);
+ width -= rightMargin(*bview->buffer(), *row);
pos_type const main_body = par->beginningOfMainBody();
LyXLayout_ptr const & layout = par->layout();
getLabelFont(bview->buffer(), par));
if (par->isLineSeparator(i - 1))
x-= singleWidth(bview, par, i - 1);
- int left_margin = labelEnd(bview, row);
+ int left_margin = labelEnd(*bview, *row);
if (x < left_margin)
x = left_margin;
}
// returns the minimum space a row needs on the screen in pixel
-int LyXText::fill(BufferView * bview, Row * row, int paper_width) const
+int LyXText::fill(BufferView & bview, Row & row, int paper_width) const
{
if (paper_width < 0)
return 0;
int w;
// get the pure distance
- pos_type const last = row->lastPrintablePos();
+ pos_type const last = row.lastPrintablePos();
// special handling of the right address boxes
- if (row->par()->layout()->margintype == MARGIN_RIGHT_ADDRESS_BOX) {
- int const tmpfill = row->fill();
- row->fill(0); // the minfill in MarginLeft()
- w = leftMargin(bview, row);
- row->fill(tmpfill);
+ if (row.par()->layout()->margintype == MARGIN_RIGHT_ADDRESS_BOX) {
+ int const tmpfill = row.fill();
+ row.fill(0); // the minfill in MarginLeft()
+ w = leftMargin(&bview, &row);
+ row.fill(tmpfill);
} else
- w = leftMargin(bview, row);
+ w = leftMargin(&bview, &row);
- LyXLayout_ptr const & layout = row->par()->layout();
+ Paragraph * par = row.par();
+ LyXLayout_ptr const & layout = par->layout();
- pos_type const main_body = row->par()->beginningOfMainBody();
- pos_type i = row->pos();
+ pos_type const main_body = par->beginningOfMainBody();
+ pos_type i = row.pos();
while (i <= last) {
if (main_body > 0 && i == main_body) {
- w += font_metrics::width(layout->labelsep, getLabelFont(bview->buffer(), row->par()));
- if (row->par()->isLineSeparator(i - 1))
- w -= singleWidth(bview, row->par(), i - 1);
+ w += font_metrics::width(layout->labelsep, getLabelFont(bview.buffer(), par));
+ if (par->isLineSeparator(i - 1))
+ w -= singleWidth(&bview, par, i - 1);
int left_margin = labelEnd(bview, row);
if (w < left_margin)
w = left_margin;
}
- w += singleWidth(bview, row->par(), i);
+ w += singleWidth(&bview, par, i);
++i;
}
if (main_body > 0 && main_body > last) {
- w += font_metrics::width(layout->labelsep, getLabelFont(bview->buffer(), row->par()));
- if (last >= 0 && row->par()->isLineSeparator(last))
- w -= singleWidth(bview, row->par(), last);
+ w += font_metrics::width(layout->labelsep, getLabelFont(bview.buffer(), par));
+ if (last >= 0 && par->isLineSeparator(last))
+ w -= singleWidth(&bview, par, last);
int const left_margin = labelEnd(bview, row);
if (w < left_margin)
w = left_margin;
}
- int const fill = paper_width - w - rightMargin(bview->buffer(), row);
+ int const fill = paper_width - w - rightMargin(*bview.buffer(), row);
return fill;
}
// returns the minimum space a manual label needs on the screen in pixel
-int LyXText::labelFill(BufferView * bview, Row const * row) const
+int LyXText::labelFill(BufferView & bview, Row const & row) const
{
- pos_type last = row->par()->beginningOfMainBody() - 1;
+ pos_type last = row.par()->beginningOfMainBody();
+
+ lyx::Assert(last > 0);
+
// -1 because a label ends either with a space that is in the label,
// or with the beginning of a footnote that is outside the label.
-
- // I don't understand this code in depth, but sometimes "last" is
- // less than 0 and this causes a crash. This fix seems to work
- // correctly, but I bet the real error is elsewhere. The bug is
- // triggered when you have an open footnote in a paragraph
- // environment with a manual label. (Asger)
- if (last < 0) last = 0;
+ --last;
// a separator at this end does not count
- if (row->par()->isLineSeparator(last))
+ if (row.par()->isLineSeparator(last))
--last;
int w = 0;
- pos_type i = row->pos();
+ pos_type i = row.pos();
while (i <= last) {
- w += singleWidth(bview, row->par(), i);
+ w += singleWidth(&bview, row.par(), i);
++i;
}
int fill = 0;
- if (!row->par()->params().labelWidthString().empty()) {
- fill = max(font_metrics::width(row->par()->params().labelWidthString(),
- getLabelFont(bview->buffer(), row->par())) - w,
- 0);
+ string const & labwidstr = row.par()->params().labelWidthString();
+ if (!labwidstr.empty()) {
+ LyXFont const labfont = getLabelFont(bview.buffer(), row.par());
+ int const labwidth = font_metrics::width(labwidstr, labfont);
+ fill = max(labwidth - w, 0);
}
return fill;
}
-LColor::color LyXText::backgroundColor()
+LColor::color LyXText::backgroundColor() const
{
if (inset_owner)
return inset_owner->backgroundColor();
&& firstpar->getDepth() == 0
&& firstpar->previous())
{
- maxasc += bview->buffer()->params.getDefSkip().inPixels(bview);
+ maxasc += bview->buffer()->params.getDefSkip().inPixels(*bview);
} else if (firstpar->previous() &&
firstpar->previous()->layout()->isParagraph() &&
firstpar->previous()->getDepth() == 0)
{
// is it right to use defskip here too? (AS)
- maxasc += bview->buffer()->params.getDefSkip().inPixels(bview);
+ maxasc += bview->buffer()->params.getDefSkip().inPixels(*bview);
}
}
maxasc += PAPER_MARGIN;
// add the vertical spaces, that the user added
- maxasc += getLengthMarkerHeight(bview, firstpar->params().spaceTop());
+ maxasc += getLengthMarkerHeight(*bview, firstpar->params().spaceTop());
// do not forget the DTP-lines!
// there height depends on the font of the nearest character
// is it a bottom line?
if (row->par() == par
- && (!row->next() || row->next()->par() != row->par()))
- {
+ && (!row->next() || row->next()->par() != row->par())) {
// the bottom margin
if (!par->next() && isTopLevel())
maxdesc += PAPER_MARGIN;
// add the vertical spaces, that the user added
- maxdesc += getLengthMarkerHeight(bview, firstpar->params().spaceBottom());
+ maxdesc += getLengthMarkerHeight(*bview, firstpar->params().spaceBottom());
// do not forget the DTP-lines!
// there height depends on the font of the nearest character
row->width(int(maxwidth + x));
if (inset_owner) {
Row * r = firstrow;
- width = max(0,workWidth(bview));
+ width = max(0, workWidth(*bview));
while (r) {
if (r->width() > width)
width = r->width();
pos_type const lastposition = row->par()->size();
do {
// Get the next breakpoint
- pos_type z = nextBreakPoint(bview, row, workWidth(bview));
+ pos_type z = nextBreakPoint(bview, row, workWidth(*bview));
Row * tmprow = row;
// Set the dimensions of the row
// fixed fill setting now by calling inset->update() in
// SingleWidth when needed!
- tmprow->fill(fill(bview, tmprow, workWidth(bview)));
+ tmprow->fill(fill(*bview, *tmprow, workWidth(*bview)));
setHeightOfRow(bview, tmprow);
} while (not_ready);
}
+// Do we even need this at all ? Code that uses RowPainter *already*
+// sets need_break_row when it sees a CHANGED_IN_DRAW, though not
+// quite like this
+void LyXText::markChangeInDraw(BufferView * bv, Row * row, Row * prev)
+{
+ if (prev && prev->par() == row->par()) {
+ breakAgainOneRow(bv, prev);
+ if (prev->next() != row) {
+ // breakAgainOneRow() has removed row_
+ need_break_row = prev;
+ } else {
+ need_break_row = row;
+ }
+ } else if (!prev) {
+ need_break_row = firstrow;
+ } else {
+ need_break_row = prev->next();
+ }
+ setCursor(bv, cursor.par(), cursor.pos());
+ /* FIXME */
+}
+
+
void LyXText::breakAgain(BufferView * bview, Row * row) const
{
bool not_ready = true;
do {
// get the next breakpoint
- pos_type z = nextBreakPoint(bview, row, workWidth(bview));
+ pos_type z = nextBreakPoint(bview, row, workWidth(*bview));
Row * tmprow = row;
if (z < row->par()->size()) {
}
// set the dimensions of the row
- tmprow->fill(fill(bview, tmprow, workWidth(bview)));
+ tmprow->fill(fill(*bview, *tmprow, workWidth(*bview)));
setHeightOfRow(bview, tmprow);
} while (not_ready);
}
void LyXText::breakAgainOneRow(BufferView * bview, Row * row)
{
// get the next breakpoint
- pos_type z = nextBreakPoint(bview, row, workWidth(bview));
+ pos_type z = nextBreakPoint(bview, row, workWidth(*bview));
Row * tmprow = row;
if (z < row->par()->size()) {
}
// set the dimensions of the row
- tmprow->fill(fill(bview, tmprow, workWidth(bview)));
+ tmprow->fill(fill(*bview, *tmprow, workWidth(*bview)));
setHeightOfRow(bview, tmprow);
}
removeParagraph(cursor.row());
// set the dimensions of the cursor row
- cursor.row()->fill(fill(bview, cursor.row(), workWidth(bview)));
+ cursor.row()->fill(fill(*bview, *cursor.row(), workWidth(*bview)));
setHeightOfRow(bview, cursor.row());
{
pos_type z = nextBreakPoint(bview,
row->previous(),
- workWidth(bview));
+ workWidth(*bview));
if (z >= row->pos()) {
row->pos(z + 1);
// set the dimensions of the row above
- row->previous()->fill(fill(bview,
- row->previous(),
- workWidth(bview)));
+ row->previous()->fill(fill(*bview,
+ *row->previous(),
+ workWidth(*bview)));
setHeightOfRow(bview, row->previous());
if (row->fill() >= 0) {
// needed because a newline will set fill to -1. Otherwise
// we would not get a rebreak!
- row->fill(fill(bview, row, workWidth(bview)));
+ row->fill(fill(*bview, *row, workWidth(*bview)));
}
if (c == Paragraph::META_INSET || row->fill() < 0) {
bool const is_rtl =
row->par()->isRightToLeftPar(bview->buffer()->params);
if (is_rtl) {
- x = (workWidth(bview) > 0)
- ? rightMargin(bview->buffer(), row) : 0;
+ x = (workWidth(*bview) > 0)
+ ? rightMargin(*bview->buffer(), *row) : 0;
} else
- x = (workWidth(bview) > 0)
+ x = (workWidth(*bview) > 0)
? leftMargin(bview, row) : 0;
// is there a manual margin with a manual label
// one more since labels are left aligned
nlh = row->numberOfLabelHfills() + 1;
if (nlh && !row->par()->getLabelWidthString().empty()) {
- fill_label_hfill = labelFill(bview, row) / nlh;
+ fill_label_hfill = labelFill(*bview, *row) / nlh;
}
}
// we don't have to look at the alignment if it is ALIGN_LEFT and
// if the row is already larger then the permitted width as then
// we force the LEFT_ALIGN'edness!
- } else if (static_cast<int>(row->width()) < workWidth(bview)) {
+ } else if (static_cast<int>(row->width()) < workWidth(*bview)) {
// is it block, flushleft or flushright?
// set x how you need it
int align;
bool const is_bad_inset(cpar->isInset(cpos)
&& !cpar->getInset(cpos)->allowSpellcheck());
- if (cpar->isLetter(cpos) && !isDeletedText(cpar, cpos)
+ if (cpar->isLetter(cpos) && !isDeletedText(*cpar, cpos)
&& !is_bad_inset)
break;
// and ligature break are part of a word)
while (cursor.pos() < cursor.par()->size()
&& cursor.par()->isLetter(cursor.pos())
- && !isDeletedText(cursor.par(), cursor.pos()))
+ && !isDeletedText(*cursor.par(), cursor.pos()))
cursor.pos(cursor.pos() + 1);
// Finally, we copy the word to a string and return it
}
-// Change the case of a word at cursor position.
-// This function directly manipulates Paragraph::text because there
-// is no Paragraph::SetChar currently. I did what I could to ensure
-// that it is correct. I guess part of it should be moved to
-// Paragraph, but it will have to change for 1.1 anyway. At least
-// it does not access outside of the allocated array as the older
-// version did. (JMarc)
-void LyXText::changeCase(BufferView * bview, LyXText::TextCase action)
+void LyXText::changeCase(BufferView & bview, LyXText::TextCase action)
{
LyXCursor from;
LyXCursor to;
to = selection.end;
} else {
getWord(from, to, PARTIAL_WORD);
- setCursor(bview, to.par(), to.pos() + 1);
+ setCursor(&bview, to.par(), to.pos() + 1);
}
- changeRegionCase(bview, from, to, action);
-}
-
-
-void LyXText::changeRegionCase(BufferView * bview,
- LyXCursor const & from,
- LyXCursor const & to,
- LyXText::TextCase action)
-{
lyx::Assert(from <= to);
- setUndo(bview, Undo::FINISH, from.par(), to.par()->next());
+ setUndo(&bview, Undo::FINISH, from.par(), to.par()->next());
pos_type pos = from.pos();
Paragraph * par = from.par();
}
#warning changes
par->setChar(pos, c);
- checkParagraph(bview, par, pos);
+ checkParagraph(&bview, par, pos);
++pos;
}
if (to.row() != from.row()) {
refresh_y = from.y() - from.row()->baseline();
refresh_row = from.row();
- status(bview, LyXText::NEED_MORE_REFRESH);
+ status(&bview, LyXText::NEED_MORE_REFRESH);
}
}
if (tmppos == 0 || tmppos == tmppar->size())
return;
- if (isDeletedText(tmppar, tmppos - 1)
- || isDeletedText(tmppar, tmppos))
+ if (isDeletedText(*tmppar, tmppos - 1)
+ || isDeletedText(*tmppar, tmppos))
return;
unsigned char c1 = tmppar->getChar(tmppos);
tmppar->insertChar(ipos, c1);
tmppar->insertChar(ipos + 1, c2);
- /* fugly */
- BufferView * bv(const_cast<BufferView*>(&bview));
-
- checkParagraph(bv, tmppar, tmppos);
+ checkParagraph(&bview, tmppar, tmppos);
}
// is there a break one row above
if (row->previous() && row->previous()->par() == row->par()) {
z = nextBreakPoint(bview, row->previous(),
- workWidth(bview));
+ workWidth(*bview));
if (z >= row->pos()) {
row->pos(z + 1);
// set the dimensions of the row above
y -= tmprow->height();
- tmprow->fill(fill(bview, tmprow,
- workWidth(bview)));
+ tmprow->fill(fill(*bview, *tmprow, workWidth(*bview)));
setHeightOfRow(bview, tmprow);
refresh_y = y;
// break the cursor row again
if (row->next() && row->next()->par() == row->par() &&
(row->lastPos() == row->par()->size() - 1 ||
- nextBreakPoint(bview, row, workWidth(bview)) != row->lastPos())) {
+ nextBreakPoint(bview, row, workWidth(*bview)) != row->lastPos())) {
// it can happen that a paragraph loses one row
// without a real breakup. This is when a word
need_break_row = 0;
} else {
// set the dimensions of the row
- row->fill(fill(bview, row, workWidth(bview)));
+ row->fill(fill(*bview, *row, workWidth(*bview)));
int const tmpheight = row->height();
setHeightOfRow(bview, row);
if (tmpheight == row->height())
}
-bool LyXText::paintRowBackground(DrawRowParams & p)
-{
- bool clear_area = true;
- Inset * inset = 0;
- LyXFont font(LyXFont::ALL_SANE);
-
- pos_type const last = p.row->lastPrintablePos();
-
- if (!p.bv->screen().forceClear() && last == p.row->pos()
- && p.row->par()->isInset(p.row->pos())) {
- inset = p.row->par()->getInset(p.row->pos());
- if (inset) {
- clear_area = inset->doClearArea();
- }
- }
-
- if (p.cleared) {
- return true;
- }
-
- if (clear_area) {
- int const x = p.xo;
- int const y = p.yo < 0 ? 0 : p.yo;
- int const h = p.yo < 0 ? p.row->height() + p.yo : p.row->height();
- p.pain->fillRectangle(x, y, p.width, h, backgroundColor());
- return true;
- }
-
- if (inset == 0)
- return false;
-
- int h = p.row->baseline() - inset->ascent(p.bv, font);
-
- // first clear the whole row above the inset!
- if (h > 0) {
- p.pain->fillRectangle(p.xo, p.yo, p.width, h, backgroundColor());
- }
-
- // clear the space below the inset!
- h += inset->ascent(p.bv, font) + inset->descent(p.bv, font);
- if ((p.row->height() - h) > 0) {
- p.pain->fillRectangle(p.xo, p.yo + h,
- p.width, p.row->height() - h, backgroundColor());
- }
-
- // clear the space behind the inset, if needed
- if (!inset->display() && !inset->needFullRow()) {
- int const xp = int(p.x) + inset->width(p.bv, font);
- if (p.width - xp > 0) {
- p.pain->fillRectangle(xp, p.yo, p.width - xp,
- p.row->height(), backgroundColor());
- }
- }
-
- return false;
-}
-
-
-void LyXText::paintRowSelection(DrawRowParams & p)
-{
- bool const is_rtl = p.row->par()->isRightToLeftPar(p.bv->buffer()->params);
-
- // the current selection
- int const startx = selection.start.x();
- int const endx = selection.end.x();
- int const starty = selection.start.y();
- int const endy = selection.end.y();
- Row const * startrow = selection.start.row();
- Row const * endrow = selection.end.row();
-
- Row * row = p.row;
-
- if (bidi_same_direction) {
- int x;
- int y = p.yo;
- int w;
- int h = row->height();
-
- if (startrow == row && endrow == row) {
- if (startx < endx) {
- x = p.xo + startx;
- w = endx - startx;
- p.pain->fillRectangle(x, y, w, h, LColor::selection);
- } else {
- x = p.xo + endx;
- w = startx - endx;
- p.pain->fillRectangle(x, y, w, h, LColor::selection);
- }
- } else if (startrow == row) {
- int const x = (is_rtl) ? p.xo : (p.xo + startx);
- int const w = (is_rtl) ? startx : (p.width - startx);
- p.pain->fillRectangle(x, y, w, h, LColor::selection);
- } else if (endrow == row) {
- int const x = (is_rtl) ? (p.xo + endx) : p.xo;
- int const w = (is_rtl) ? (p.width - endx) : endx;
- p.pain->fillRectangle(x, y, w, h, LColor::selection);
- } else if (p.y > starty && p.y < endy) {
- p.pain->fillRectangle(p.xo, y, p.width, h, LColor::selection);
- }
- return;
- } else if (startrow != row && endrow != row) {
- if (p.y > starty && p.y < endy) {
- int w = p.width;
- int h = row->height();
- p.pain->fillRectangle(p.xo, p.yo, w, h, LColor::selection);
- }
- return;
- }
-
- if ((startrow != row && !is_rtl) || (endrow != row && is_rtl))
- p.pain->fillRectangle(p.xo, p.yo, int(p.x), row->height(), LColor::selection);
-
- Buffer const * buffer = p.bv->buffer();
- Paragraph * par = row->par();
- pos_type const main_body = par->beginningOfMainBody();
- pos_type const last = row->lastPrintablePos();
- float tmpx = p.x;
-
- for (pos_type vpos = row->pos(); vpos <= last; ++vpos) {
- pos_type pos = vis2log(vpos);
- float const old_tmpx = tmpx;
- if (main_body > 0 && pos == main_body - 1) {
- LyXLayout_ptr const & layout = par->layout();
- LyXFont const lfont = getLabelFont(buffer, par);
-
- tmpx += p.label_hfill + font_metrics::width(layout->labelsep, lfont);
-
- if (par->isLineSeparator(main_body - 1))
- tmpx -= singleWidth(p.bv, par, main_body - 1);
- }
-
- if (row->hfillExpansion(pos)) {
- tmpx += singleWidth(p.bv, par, pos);
- if (pos >= main_body)
- tmpx += p.hfill;
- else
- tmpx += p.label_hfill;
- }
-
- else if (par->isSeparator(pos)) {
- tmpx += singleWidth(p.bv, par, pos);
- if (pos >= main_body)
- tmpx += p.separator;
- } else {
- tmpx += singleWidth(p.bv, par, pos);
- }
-
- if ((startrow != row || selection.start.pos() <= pos) &&
- (endrow != row || pos < selection.end.pos())) {
- // Here we do not use p.x as p.xo was added to p.x.
- p.pain->fillRectangle(int(old_tmpx), p.yo,
- int(tmpx - old_tmpx + 1),
- row->height(), LColor::selection);
- }
- }
-
- if ((startrow != row && is_rtl) || (endrow != row && !is_rtl)) {
- p.pain->fillRectangle(p.xo + int(tmpx),
- p.yo, int(p.bv->workWidth() - tmpx),
- row->height(), LColor::selection);
- }
-}
-
-
-void LyXText::paintChangeBar(DrawRowParams & p)
-{
- pos_type const start = p.row->pos();
- pos_type const end = p.row->lastPrintablePos();
-
- if (!p.row->par()->isChanged(start, end))
- return;
-
- int const height = (p.row->next()
- ? p.row->height() + p.row->next()->top_of_text()
- : p.row->baseline());
-
- p.pain->fillRectangle(4, p.yo, 5,
- height, LColor::changebar);
-}
-
-
-void LyXText::paintRowAppendix(DrawRowParams & p)
-{
- // FIXME: can be just p.width ?
- int const ww = p.bv->workWidth();
- Paragraph * firstpar = p.row->par();
-
- if (firstpar->params().appendix()) {
- p.pain->line(1, p.yo, 1, p.yo + p.row->height(), LColor::appendixline);
- p.pain->line(ww - 2, p.yo, ww - 2, p.yo + p.row->height(), LColor::appendixline);
- }
-}
-
-
-void LyXText::paintRowDepthBar(DrawRowParams & p)
-{
- Paragraph::depth_type const depth = p.row->par()->getDepth();
-
- if (depth <= 0)
- return;
-
- Paragraph::depth_type prev_depth = 0;
- if (p.row->previous())
- prev_depth = p.row->previous()->par()->getDepth();
- Paragraph::depth_type next_depth = 0;
- if (p.row->next())
- next_depth = p.row->next()->par()->getDepth();
-
- for (Paragraph::depth_type i = 1; i <= depth; ++i) {
- int x = (PAPER_MARGIN / 5) * i + p.xo;
- // only consider the changebar space if we're drawing outer left
- if (!p.xo)
- x += CHANGEBAR_MARGIN;
- int const h = p.yo + p.row->height() - 1 - (i - next_depth - 1) * 3;
-
- p.pain->line(x, p.yo, x, h, LColor::depthbar);
-
- int const w = PAPER_MARGIN / 5;
-
- if (i > prev_depth) {
- p.pain->fillRectangle(x, p.yo, w, 2, LColor::depthbar);
- }
- if (i > next_depth) {
- p.pain->fillRectangle(x, h, w, 2, LColor::depthbar);
- }
- }
-}
-
-
-int LyXText::getLengthMarkerHeight(BufferView * bv, VSpace const & vsp) const
-{
- if (vsp.kind() == VSpace::NONE)
- return 0;
-
- int const arrow_size = 4;
- int const space_size = int(vsp.inPixels(bv));
-
- LyXFont font;
- font.decSize();
- int const min_size = max(3 * arrow_size,
- font_metrics::maxAscent(font)
- + font_metrics::maxDescent(font));
-
- if (vsp.length().len().value() < 0.0)
- return min_size;
- else
- return max(min_size, space_size);
-}
-
-
-int LyXText::drawLengthMarker(DrawRowParams & p, string const & prefix,
- VSpace const & vsp, int start)
-{
- if (vsp.kind() == VSpace::NONE)
- return 0;
-
- int const arrow_size = 4;
- int const size = getLengthMarkerHeight(p.bv, vsp);
- int const end = start + size;
-
- // the label to display (if any)
- string str;
- // y-values for top arrow
- int ty1, ty2;
- // y-values for bottom arrow
- int by1, by2;
-
- str = prefix + " (" + vsp.asLyXCommand() + ")";
-
- if (vsp.kind() == VSpace::VFILL ) {
- ty1 = ty2 = start;
- by1 = by2 = end;
- } else {
- // adding or removing space
- bool const added = vsp.kind() != VSpace::LENGTH ||
- vsp.length().len().value() > 0.0;
- ty1 = added ? (start + arrow_size) : start;
- ty2 = added ? start : (start + arrow_size);
- by1 = added ? (end - arrow_size) : end;
- by2 = added ? end : (end - arrow_size);
- }
-
- int const leftx = p.xo + leftMargin(p.bv, p.row);
- int const midx = leftx + arrow_size;
- int const rightx = midx + arrow_size;
-
- // first the string
- int w = 0;
- int a = 0;
- int d = 0;
-
- LyXFont font;
- font.setColor(LColor::added_space).decSize().decSize();
- font_metrics::rectText(str, font, w, a, d);
-
- p.pain->rectText(leftx + 2 * arrow_size + 5,
- start + ((end - start) / 2) + d,
- str, font);
-
- // top arrow
- p.pain->line(leftx, ty1, midx, ty2, LColor::added_space);
- p.pain->line(midx, ty2, rightx, ty1, LColor::added_space);
-
- // bottom arrow
- p.pain->line(leftx, by1, midx, by2, LColor::added_space);
- p.pain->line(midx, by2, rightx, by1, LColor::added_space);
-
- // joining line
- p.pain->line(midx, ty2, midx, by2, LColor::added_space);
-
- return size;
-}
-
-
-int LyXText::paintPageBreak(string const & label, int y, DrawRowParams & p)
-{
- LyXFont pb_font;
- pb_font.setColor(LColor::pagebreak).decSize();
-
- int w = 0;
- int a = 0;
- int d = 0;
- font_metrics::rectText(label, pb_font, w, a, d);
-
- int const text_start = p.xo + ((p.width - w) / 2);
- int const text_end = text_start + w;
-
- p.pain->rectText(text_start, y + d, label, pb_font);
-
- p.pain->line(p.xo, y, text_start, y,
- LColor::pagebreak, Painter::line_onoffdash);
- p.pain->line(text_end, y, p.xo + p.width, y,
- LColor::pagebreak, Painter::line_onoffdash);
-
- return 3 * defaultRowHeight();
-}
-
-
-void LyXText::paintFirstRow(DrawRowParams & p)
-{
- Paragraph * par = p.row->par();
- ParagraphParameters const & parparams = par->params();
-
- // start of appendix?
- if (parparams.startOfAppendix()) {
- p.pain->line(1, p.yo, p.width - 2, p.yo, LColor::appendixline);
- }
-
- int y_top = 0;
-
- // the top margin
- if (!p.row->previous() && isTopLevel())
- y_top += PAPER_MARGIN;
-
- // draw a top pagebreak
- if (parparams.pagebreakTop()) {
- y_top += paintPageBreak(_("Page Break (top)"),
- p.yo + y_top + 2 * defaultRowHeight(), p);
- }
-
- // draw the additional space if needed:
- y_top += drawLengthMarker(p, _("Space above"),
- parparams.spaceTop(), p.yo + y_top);
-
- Buffer const * buffer = p.bv->buffer();
-
- LyXLayout_ptr const & layout = par->layout();
-
- // think about the parskip
- // some parskips VERY EASY IMPLEMENTATION
- if (buffer->params.paragraph_separation == BufferParams::PARSEP_SKIP) {
- if (par->previous()) {
- if (layout->latextype == LATEX_PARAGRAPH
- && !par->getDepth()) {
- y_top += buffer->params.getDefSkip().inPixels(p.bv);
- } else {
- LyXLayout_ptr const & playout =
- par->previous()->layout();
- if (playout->latextype == LATEX_PARAGRAPH
- && !par->previous()->getDepth()) {
- // is it right to use defskip here, too? (AS)
- y_top += buffer->params.getDefSkip().inPixels(p.bv);
- }
- }
- }
- }
-
- int const ww = p.bv->workWidth();
-
- // draw a top line
- if (parparams.lineTop()) {
- LyXFont font(LyXFont::ALL_SANE);
- int const asc = font_metrics::ascent('x', getFont(buffer, par, 0));
-
- y_top += asc;
-
- int const w = (inset_owner ? inset_owner->width(p.bv, font) : ww);
- int const xp = static_cast<int>(inset_owner ? p.xo : 0);
- p.pain->line(xp, p.yo + y_top, xp + w, p.yo + y_top,
- LColor::topline, Painter::line_solid,
- Painter::line_thick);
-
- y_top += asc;
- }
-
- bool const is_rtl = p.row->par()->isRightToLeftPar(p.bv->buffer()->params);
-
- // should we print a label?
- if (layout->labeltype >= LABEL_STATIC
- && (layout->labeltype != LABEL_STATIC
- || layout->latextype != LATEX_ENVIRONMENT
- || par->isFirstInSequence())) {
-
- LyXFont font = getLabelFont(buffer, par);
- if (!par->getLabelstring().empty()) {
- float x = p.x;
- string const str = par->getLabelstring();
-
- // this is special code for the chapter layout. This is
- // printed in an extra row and has a pagebreak at
- // the top.
- if (layout->labeltype == LABEL_COUNTER_CHAPTER) {
- if (buffer->params.secnumdepth >= 0) {
- float spacing_val = 1.0;
- if (!parparams.spacing().isDefault()) {
- spacing_val = parparams.spacing().getValue();
- } else {
- spacing_val = buffer->params.spacing.getValue();
- }
-
- int const maxdesc =
- int(font_metrics::maxDescent(font) * layout->spacing.getValue() * spacing_val)
- + int(layout->parsep) * defaultRowHeight();
-
- if (is_rtl) {
- x = ww - leftMargin(p.bv, p.row) -
- font_metrics::width(str, font);
- }
-
- p.pain->text(int(x),
- p.yo + p.row->baseline() -
- p.row->ascent_of_text() - maxdesc,
- str, font);
- }
- } else {
- if (is_rtl) {
- x = ww - leftMargin(p.bv, p.row)
- + font_metrics::width(layout->labelsep, font);
- } else {
- x = p.x - font_metrics::width(layout->labelsep, font)
- - font_metrics::width(str, font);
- }
-
- p.pain->text(int(x), p.yo + p.row->baseline(), str, font);
- }
- }
- // the labels at the top of an environment.
- // More or less for bibliography
- } else if (par->isFirstInSequence() &&
- (layout->labeltype == LABEL_TOP_ENVIRONMENT ||
- layout->labeltype == LABEL_BIBLIO ||
- layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT)) {
- LyXFont font = getLabelFont(buffer, par);
- if (!par->getLabelstring().empty()) {
- string const str = par->getLabelstring();
- float spacing_val = 1.0;
- if (!parparams.spacing().isDefault()) {
- spacing_val = parparams.spacing().getValue();
- } else {
- spacing_val = buffer->params.spacing.getValue();
- }
-
- int maxdesc =
- int(font_metrics::maxDescent(font) * layout->spacing.getValue() * spacing_val
- + (layout->labelbottomsep * defaultRowHeight()));
-
- float x = p.x;
- if (layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT) {
- x = ((is_rtl ? leftMargin(p.bv, p.row) : p.x)
- + ww - rightMargin(buffer, p.row)) / 2;
- x -= font_metrics::width(str, font) / 2;
- } else if (is_rtl) {
- x = ww - leftMargin(p.bv, p.row) -
- font_metrics::width(str, font);
- }
- p.pain->text(int(x), p.yo + p.row->baseline()
- - p.row->ascent_of_text() - maxdesc,
- str, font);
- }
- }
-}
-
-
-void LyXText::paintLastRow(DrawRowParams & p)
-{
- Paragraph * par = p.row->par();
- ParagraphParameters const & parparams = par->params();
- int y_bottom = p.row->height() - 1;
-
- // the bottom margin
- if (!p.row->next() && isTopLevel())
- y_bottom -= PAPER_MARGIN;
-
- int const ww = p.bv->workWidth();
-
- // draw a bottom pagebreak
- if (parparams.pagebreakBottom()) {
- y_bottom -= paintPageBreak(_("Page Break (bottom)"),
- p.yo + y_bottom - 2 * defaultRowHeight(), p);
- }
-
- // draw the additional space if needed:
- int const height = getLengthMarkerHeight(p.bv,
- parparams.spaceBottom());
- y_bottom -= drawLengthMarker(p, _("Space below"),
- parparams.spaceBottom(),
- p.yo + y_bottom - height);
-
- Buffer const * buffer = p.bv->buffer();
-
- // draw a bottom line
- if (parparams.lineBottom()) {
- LyXFont font(LyXFont::ALL_SANE);
- int const asc = font_metrics::ascent('x',
- getFont(buffer, par,
- max(pos_type(0), par->size() - 1)));
-
- y_bottom -= asc;
-
- int const w = (inset_owner ? inset_owner->width(p.bv, font) : ww);
- int const xp = static_cast<int>(inset_owner ? p.xo : 0);
- int const y = p.yo + y_bottom;
- p.pain->line(xp, y, xp + w, y, LColor::topline, Painter::line_solid,
- Painter::line_thick);
-
- y_bottom -= asc;
- }
-
- bool const is_rtl = p.row->par()->isRightToLeftPar(p.bv->buffer()->params);
- int const endlabel = par->getEndLabel();
-
- // draw an endlabel
- switch (endlabel) {
- case END_LABEL_BOX:
- case END_LABEL_FILLED_BOX:
- {
- LyXFont const font = getLabelFont(buffer, par);
- int const size = int(0.75 * font_metrics::maxAscent(font));
- int const y = (p.yo + p.row->baseline()) - size;
- int x = is_rtl ? LEFT_MARGIN : ww - PAPER_MARGIN - size;
-
- if (p.row->fill() <= size)
- x += (size - p.row->fill() + 1) * (is_rtl ? -1 : 1);
-
- if (endlabel == END_LABEL_BOX) {
- p.pain->rectangle(x, y, size, size, LColor::eolmarker);
- } else {
- p.pain->fillRectangle(x, y, size, size,
- LColor::eolmarker);
- }
- break;
- }
- case END_LABEL_STATIC:
- {
-#if 0
- LyXFont font(LyXFont::ALL_SANE);
- font = getLabelFont(buffer, par);
-#else
- LyXFont font = getLabelFont(buffer, par);
-#endif
- string const & str = par->layout()->endlabelstring();
- int const x = is_rtl ?
- int(p.x) - font_metrics::width(str, font)
- : ww - rightMargin(buffer, p.row) - p.row->fill();
- p.pain->text(x, p.yo + p.row->baseline(), str, font);
- break;
- }
- case END_LABEL_NO_LABEL:
- break;
- }
-}
-
-
-void LyXText::paintRowText(DrawRowParams & p)
-{
- Paragraph * par = p.row->par();
- Buffer const * buffer = p.bv->buffer();
-
- pos_type const last = p.row->lastPrintablePos();
- pos_type main_body = par->beginningOfMainBody();
- if (main_body > 0 &&
- (main_body - 1 > last ||
- !par->isLineSeparator(main_body - 1))) {
- main_body = 0;
- }
-
- LyXLayout_ptr const & layout = par->layout();
-
- bool running_strikeout = false;
- bool is_struckout = false;
- float last_strikeout_x = 0.0;
-
- pos_type vpos = p.row->pos();
- while (vpos <= last) {
- if (p.x > p.bv->workWidth())
- break;
- pos_type pos = vis2log(vpos);
-
- if (p.x + singleWidth(p.bv, par, pos) < 0) {
- p.x += singleWidth(p.bv, par, pos);
- ++vpos;
- continue;
- }
-
- is_struckout = isDeletedText(par, pos);
-
- if (is_struckout && !running_strikeout) {
- running_strikeout = true;
- last_strikeout_x = p.x;
- }
-
- bool const highly_editable_inset = par->isInset(pos)
- && isHighlyEditableInset(par->getInset(pos));
-
- // if we reach the end of a struck out range, paint it
- // we also don't paint across things like tables
- if (running_strikeout && (highly_editable_inset || !is_struckout)) {
- int const middle = p.yo + p.row->top_of_text()
- + ((p.row->baseline() - p.row->top_of_text()) / 2);
- p.pain->line(int(last_strikeout_x), middle, int(p.x), middle,
- LColor::strikeout, Painter::line_solid, Painter::line_thin);
- running_strikeout = false;
- }
-
- if (main_body > 0 && pos == main_body - 1) {
- int const lwidth = font_metrics::width(layout->labelsep,
- getLabelFont(buffer, par));
-
- p.x += p.label_hfill + lwidth
- - singleWidth(p.bv, par, main_body - 1);
- }
-
- if (par->isHfill(pos)) {
- p.x += 1;
-
- int const y0 = p.yo + p.row->baseline();
- int const y1 = y0 - defaultRowHeight() / 2;
-
- p.pain->line(int(p.x), y1, int(p.x), y0,
- LColor::added_space);
-
- if (p.row->hfillExpansion(pos)) {
- int const y2 = (y0 + y1) / 2;
-
- if (pos >= main_body) {
- p.pain->line(int(p.x), y2,
- int(p.x + p.hfill), y2,
- LColor::added_space,
- Painter::line_onoffdash);
- p.x += p.hfill;
- } else {
- p.pain->line(int(p.x), y2,
- int(p.x + p.label_hfill), y2,
- LColor::added_space,
- Painter::line_onoffdash);
- p.x += p.label_hfill;
- }
- p.pain->line(int(p.x), y1,
- int(p.x), y0,
- LColor::added_space);
- }
- p.x += 2;
- ++vpos;
- } else if (par->isSeparator(pos)) {
- p.x += singleWidth(p.bv, par, pos);
- if (pos >= main_body)
- p.x += p.separator;
- ++vpos;
- } else {
- if (!draw(p, vpos))
- break;
- }
- }
-
- // if we reach the end of a struck out range, paint it
- if (running_strikeout) {
- int const middle = p.yo + p.row->top_of_text()
- + ((p.row->baseline() - p.row->top_of_text()) / 2);
- p.pain->line(int(last_strikeout_x), middle, int(p.x), middle,
- LColor::strikeout, Painter::line_solid, Painter::line_thin);
- running_strikeout = false;
- }
-}
-
-
-void LyXText::getVisibleRow(BufferView * bv, int y_offset, int x_offset,
- Row * row, int y, bool cleared)
-{
- if (row->height() <= 0) {
- lyxerr << "LYX_ERROR: row.height: "
- << row->height() << endl;
- return;
- }
-
- DrawRowParams p;
-
- // set up drawing parameters
- p.bv = bv;
- p.pain = &bv->painter();
- p.row = row;
- p.xo = x_offset;
- p.yo = y_offset;
- prepareToPrint(bv, row, p.x, p.separator, p.hfill, p.label_hfill);
- if (inset_owner && (p.x < 0))
- p.x = 0;
- p.x += p.xo;
- p.y = y;
- p.width = inset_owner ? inset_owner->textWidth(bv, true) : bv->workWidth();
- p.cleared = cleared;
-
- // start painting
-
- // clear to background if necessary
- p.cleared = paintRowBackground(p);
-
- // paint the selection background
- if (selection.set()) {
- paintRowSelection(p);
- }
-
- // vertical lines for appendix
- paintRowAppendix(p);
-
- // environment depth brackets
- paintRowDepthBar(p);
-
- // changebar
- paintChangeBar(p);
-
- // draw any stuff wanted for a first row of a paragraph
- if (!row->pos()) {
- paintFirstRow(p);
- }
-
- // draw any stuff wanted for the last row of a paragraph
- if (!row->next() || (row->next()->par() != row->par())) {
- paintLastRow(p);
- }
-
- // paint text
- paintRowText(p);
-}
-
-
// returns the column near the specified x-coordinate of the row
// x is set to the real beginning of this column
pos_type
projects / features.git / commitdiff