#include "TextMetrics.h"
+#include "Bidi.h"
#include "Buffer.h"
+#include "buffer_funcs.h"
#include "BufferParams.h"
#include "BufferView.h"
-#include "paragraph_funcs.h"
-#include "ParIterator.h"
#include "CoordCache.h"
-#include "debug.h"
-#include "FuncRequest.h"
+#include "Cursor.h"
+#include "CutAndPaste.h"
+#include "support/debug.h"
#include "FontIterator.h"
-#include "Color.h"
+#include "FuncRequest.h"
+#include "InsetList.h"
+#include "Layout.h"
#include "Length.h"
#include "LyXRC.h"
-#include "Text.h"
#include "MetricsInfo.h"
+#include "paragraph_funcs.h"
#include "ParagraphParameters.h"
+#include "ParIterator.h"
+#include "rowpainter.h"
+#include "Text.h"
+#include "TextClass.h"
#include "VSpace.h"
+#include "mathed/MacroTable.h"
+#include "mathed/MathMacroTemplate.h"
+
#include "frontends/FontMetrics.h"
#include "frontends/Painter.h"
+using std::make_pair;
using std::max;
using std::min;
-using std::endl;
+using std::pair;
namespace lyx {
}
+bool TextMetrics::has(pit_type pit) const
+{
+ return par_metrics_.find(pit) != par_metrics_.end();
+}
+
+
ParagraphMetrics const & TextMetrics::parMetrics(pit_type pit) const
{
return const_cast<TextMetrics *>(this)->parMetrics(pit, true);
}
-ParagraphMetrics & TextMetrics::parMetrics(pit_type pit,
- bool redo)
+
+pair<pit_type, ParagraphMetrics const *> TextMetrics::first() const
+{
+ ParMetricsCache::const_iterator it = par_metrics_.begin();
+ return make_pair(it->first, &it->second);
+}
+
+
+pair<pit_type, ParagraphMetrics const *> TextMetrics::last() const
+{
+ ParMetricsCache::const_reverse_iterator it = par_metrics_.rbegin();
+ return make_pair(it->first, &it->second);
+}
+
+
+ParagraphMetrics & TextMetrics::parMetrics(pit_type pit, bool redo)
{
ParMetricsCache::iterator pmc_it = par_metrics_.find(pit);
if (pmc_it == par_metrics_.end()) {
pmc_it = par_metrics_.insert(
- std::make_pair(pit, ParagraphMetrics(text_->getPar(pit)))).first;
+ make_pair(pit, ParagraphMetrics(text_->getPar(pit)))).first;
}
- if (pmc_it->second.rows().empty() && redo) {
+ if (pmc_it->second.rows().empty() && redo)
redoParagraph(pit);
- }
return pmc_it->second;
}
-bool TextMetrics::metrics(MetricsInfo & mi, Dimension & dim)
+int TextMetrics::parPosition(pit_type pit) const
+{
+ if (pit < par_metrics_.begin()->first)
+ return -1000000;
+ if (pit > par_metrics_.rbegin()->first)
+ return +1000000;
+
+ return par_metrics_[pit].position();
+}
+
+
+bool TextMetrics::metrics(MetricsInfo & mi, Dimension & dim, int min_width)
{
BOOST_ASSERT(mi.base.textwidth);
max_width_ = mi.base.textwidth;
-
- //lyxerr << "Text::metrics: width: " << mi.base.textwidth
+ // backup old dimension.
+ Dimension const old_dim = dim_;
+ // reset dimension.
+ dim_ = Dimension();
+ dim_.wid = min_width;
+ pit_type const npar = text_->paragraphs().size();
+ if (npar > 1)
+ // If there is more than one row, expand the text to
+ // the full allowable width.
+ dim_.wid = max_width_;
+
+ //lyxerr << "TextMetrics::metrics: width: " << mi.base.textwidth
// << " maxWidth: " << max_width_ << "\nfont: " << mi.base.font << endl;
bool changed = false;
-
unsigned int h = 0;
- unsigned int w = 0;
- for (pit_type pit = 0, n = text_->paragraphs().size(); pit != n; ++pit) {
+ for (pit_type pit = 0; pit != npar; ++pit) {
changed |= redoParagraph(pit);
ParagraphMetrics const & pm = par_metrics_[pit];
h += pm.height();
- if (w < pm.width())
- w = pm.width();
+ if (dim_.wid < pm.width())
+ dim_.wid = pm.width();
}
- dim.wid = w;
- dim.asc = par_metrics_[0].ascent();
- dim.des = h - dim.asc;
+ dim_.asc = par_metrics_[0].ascent();
+ dim_.des = h - dim_.asc;
+ //lyxerr << "dim_.wid " << dim_.wid << endl;
+ //lyxerr << "dim_.asc " << dim_.asc << endl;
+ //lyxerr << "dim_.des " << dim_.des << endl;
- changed |= dim_ != dim;
- dim_ = dim;
+ changed |= dim_ != old_dim;
+ dim = dim_;
return changed;
}
}
+void TextMetrics::applyOuterFont(Font & font) const
+{
+ Font lf(font_);
+ lf.fontInfo().reduce(bv_->buffer().params().getFont().fontInfo());
+ lf.fontInfo().realize(font.fontInfo());
+ lf.setLanguage(font.language());
+ font = lf;
+}
+
+
+Font TextMetrics::getDisplayFont(pit_type pit, pos_type pos) const
+{
+ BOOST_ASSERT(pos >= 0);
+
+ ParagraphList const & pars = text_->paragraphs();
+ Paragraph const & par = pars[pit];
+ LayoutPtr const & layout = par.layout();
+ Buffer const & buffer = bv_->buffer();
+ // FIXME: broken?
+ BufferParams const & params = buffer.params();
+ pos_type const body_pos = par.beginOfBody();
+
+ // We specialize the 95% common case:
+ if (!par.getDepth()) {
+ Font f = par.getFontSettings(params, pos);
+ if (!text_->isMainText(buffer))
+ applyOuterFont(f);
+ bool lab = layout->labeltype == LABEL_MANUAL && pos < body_pos;
+
+ FontInfo const & lf = lab ? layout->labelfont : layout->font;
+ FontInfo rlf = lab ? layout->reslabelfont : layout->resfont;
+
+ // In case the default family has been customized
+ if (lf.family() == INHERIT_FAMILY)
+ rlf.setFamily(params.getFont().fontInfo().family());
+ f.fontInfo().realize(rlf);
+ return f;
+ }
+
+ // The uncommon case need not be optimized as much
+ FontInfo const & layoutfont = pos < body_pos ?
+ layout->labelfont : layout->font;
+
+ Font font = par.getFontSettings(params, pos);
+ font.fontInfo().realize(layoutfont);
+
+ if (!text_->isMainText(buffer))
+ applyOuterFont(font);
+
+ // Realize against environment font information
+ // NOTE: the cast to pit_type should be removed when pit_type
+ // changes to a unsigned integer.
+ if (pit < pit_type(pars.size()))
+ font.fontInfo().realize(outerFont(pit, pars).fontInfo());
+
+ // Realize with the fonts of lesser depth.
+ font.fontInfo().realize(params.getFont().fontInfo());
+
+ return font;
+}
+
+
+bool TextMetrics::isRTL(CursorSlice const & sl, bool boundary) const
+{
+ if (!lyxrc.rtl_support || !sl.text())
+ return false;
+
+ int correction = 0;
+ if (boundary && sl.pos() > 0)
+ correction = -1;
+
+ return getDisplayFont(sl.pit(), sl.pos() + correction).isVisibleRightToLeft();
+}
+
+
+bool TextMetrics::isRTLBoundary(pit_type pit, pos_type pos) const
+{
+ if (!lyxrc.rtl_support)
+ return false;
+
+ // no RTL boundary at line start
+ if (pos == 0)
+ return false;
+
+ Paragraph const & par = text_->getPar(pit);
+
+ bool left = getDisplayFont(pit, pos - 1).isVisibleRightToLeft();
+ bool right;
+ if (pos == par.size())
+ right = par.isRTL(bv_->buffer().params());
+ else
+ right = getDisplayFont(pit, pos).isVisibleRightToLeft();
+ return left != right;
+}
+
+
+bool TextMetrics::isRTLBoundary(pit_type pit, pos_type pos,
+ Font const & font) const
+{
+ if (!lyxrc.rtl_support)
+ return false;
+
+ Paragraph const & par = text_->getPar(pit);
+ bool left = font.isVisibleRightToLeft();
+ bool right;
+ if (pos == par.size())
+ right = par.isRTL(bv_->buffer().params());
+ else
+ right = getDisplayFont(pit, pos).isVisibleRightToLeft();
+ return left != right;
+}
+
+
bool TextMetrics::redoParagraph(pit_type const pit)
{
Paragraph & par = text_->getPar(pit);
// when layout is set; when material is pasted.
int const moveCursor = par.checkBiblio(buffer.params().trackChanges);
if (moveCursor > 0)
- const_cast<Cursor &>(bv_->cursor()).posRight();
+ const_cast<Cursor &>(bv_->cursor()).posForward();
else if (moveCursor < 0) {
Cursor & cursor = const_cast<Cursor &>(bv_->cursor());
if (cursor.pos() >= -moveCursor)
- cursor.posLeft();
+ cursor.posBackward();
}
// Optimisation: this is used in the next two loops
// 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();
+ MacroContext mc(buffer, par);
+ InsetList::const_iterator ii = par.insetList().begin();
+ InsetList::const_iterator iend = par.insetList().end();
for (; ii != iend; ++ii) {
+ // the macro must come here, _before_ the metric call, because
+ // the macro should see itself to detect recursions. To find out
+ // whether the macro definition is a redefinition it will look
+ // at the MacroData::redefinition_. So it doesn't get confused
+ // by the already existing macro definition of itself in the
+ // macro context.
+ if (ii->inset->lyxCode() == MATHMACRO_CODE) {
+ // get macro data
+ MathMacroTemplate const & macroTemplate
+ = static_cast<MathMacroTemplate const &>(*ii->inset);
+
+ // valid?
+ if (macroTemplate.validMacro()) {
+ MacroData macro = macroTemplate.asMacroData();
+
+ // redefinition?
+ macro.setRedefinition(mc.has(macroTemplate.name()));
+
+ // register macro (possibly overwrite the previous one of this paragraph)
+ mc.insert(macroTemplate.name(), macro);
+ }
+ }
+
+ // do the metric calculation
Dimension dim;
- int const w = max_width_ - text_->leftMargin(buffer, max_width_, pit, ii->pos)
+ int const w = max_width_ - leftMargin(max_width_, pit, ii->pos)
- right_margin;
Font const & font = ii->inset->noFontChange() ?
- bufferfont : text_->getFont(buffer, par, ii->pos);
- MetricsInfo mi(bv_, font, w);
- changed |= ii->inset->metrics(mi, dim);
+ bufferfont : getDisplayFont(pit, ii->pos);
+ MetricsInfo mi(bv_, font.fontInfo(), w, mc);
+ ii->inset->metrics(mi, dim);
+ Dimension const old_dim = pm.insetDimension(ii->inset);
+ pm.setInsetDimension(ii->inset, dim);
+ changed |= (old_dim != dim);
+ }
+
+ Cursor const & cur = bv_->cursor();
+ DocIterator sel_beg = cur.selectionBegin();
+ DocIterator sel_end = cur.selectionEnd();
+ bool selection = cur.selection()
+ // This is out text.
+ && cur.text() == text_
+ // if the anchor is outside, this is not our selection
+ && cur.anchor().text() == text_
+ && pit >= sel_beg.pit() && pit <= sel_end.pit();
+
+ // We care only about visible selection.
+ if (selection) {
+ if (pit != sel_beg.pit()) {
+ sel_beg.pit() = pit;
+ sel_beg.pos() = 0;
+ }
+ if (pit != sel_end.pit()) {
+ sel_end.pit() = pit;
+ sel_end.pos() = sel_end.lastpos();
+ }
}
par.setBeginOfBody();
- pos_type z = 0;
+ pos_type first = 0;
+ size_t row_index = 0;
// maximum pixel width of a row
- int width = max_width_ - right_margin; // - leftMargin(buffer, max_width_, pit, row);
+ int width = max_width_ - right_margin; // - leftMargin(max_width_, pit, row);
do {
- Row row(z);
- rowBreakPoint(width, pit, row);
- setRowWidth(right_margin, pit, row);
- setHeightOfRow(pit, row);
- pm.rows().push_back(row);
- pm.dim().wid = std::max(pm.dim().wid, row.width());
- pm.dim().des += row.height();
- z = row.endpos();
- } while (z < par.size());
+ Dimension dim;
+ pos_type end = rowBreakPoint(width, pit, first);
+ if (row_index || end < par.size())
+ // If there is more than one row, expand the text to
+ // the full allowable width. This setting here is needed
+ // for the computeRowMetrics() below.
+ dim_.wid = max_width_;
+
+ dim = rowHeight(pit, first, end);
+ dim.wid = rowWidth(right_margin, pit, first, end);
+ if (row_index == pm.rows().size())
+ pm.rows().push_back(Row());
+ Row & row = pm.rows()[row_index];
+ row.setChanged(false);
+ row.pos(first);
+ row.endpos(end);
+ if (selection)
+ row.setSelection(sel_beg.pos(), sel_end.pos());
+ else
+ row.setSelection(-1, -1);
+ row.setDimension(dim);
+ int const max_row_width = max(dim_.wid, dim.wid);
+ computeRowMetrics(pit, row, max_row_width);
+ first = end;
+ ++row_index;
+
+ pm.dim().wid = std::max(pm.dim().wid, dim.wid);
+ pm.dim().des += dim.height();
+ } while (first < par.size());
+
+ if (row_index < pm.rows().size())
+ pm.rows().resize(row_index);
// Make sure that if a par ends in newline, there is one more row
// under it
- if (z > 0 && par.isNewline(z - 1)) {
- Row row(z);
- row.endpos(z);
- setRowWidth(right_margin, pit, row);
- setHeightOfRow(pit, row);
- pm.rows().push_back(row);
- pm.dim().des += row.height();
+ if (first > 0 && par.isNewline(first - 1)) {
+ Dimension dim = rowHeight(pit, first, first);
+ dim.wid = rowWidth(right_margin, pit, first, first);
+ if (row_index == pm.rows().size())
+ pm.rows().push_back(Row());
+ Row & row = pm.rows()[row_index];
+ row.setChanged(false);
+ row.pos(first);
+ row.endpos(first);
+ row.setDimension(dim);
+ int const max_row_width = max(dim_.wid, dim.wid);
+ computeRowMetrics(pit, row, max_row_width);
+ pm.dim().des += dim.height();
}
pm.dim().asc += pm.rows()[0].ascent();
changed |= old_dim.height() != pm.dim().height();
- // Update the row change statuses. The painter will need that info
- // in order to know which row has to be repainted.
- pm.updateRowChangeStatus();
-
return changed;
}
-RowMetrics TextMetrics::computeRowMetrics(pit_type const pit,
- Row const & row) const
+
+void TextMetrics::computeRowMetrics(pit_type const pit,
+ Row & row, int width) const
{
- RowMetrics result;
+ row.label_hfill = 0;
+ row.separator = 0;
+
Buffer & buffer = bv_->buffer();
Paragraph const & par = text_->getPar(pit);
- double w = dim_.wid - row.width();
+ double w = width - row.width();
+ // FIXME: put back this assertion when the crash on new doc is solved.
+ //BOOST_ASSERT(w >= 0);
+
+ //lyxerr << "\ndim_.wid " << dim_.wid << endl;
+ //lyxerr << "row.width() " << row.width() << endl;
+ //lyxerr << "w " << w << endl;
bool const is_rtl = text_->isRTL(buffer, par);
if (is_rtl)
- result.x = rightMargin(pit);
+ row.x = rightMargin(pit);
else
- result.x = text_->leftMargin(buffer, max_width_, pit, row.pos());
+ row.x = leftMargin(max_width_, pit, row.pos());
// is there a manual margin with a manual label
LayoutPtr const & layout = par.layout();
++nlh;
if (nlh && !par.getLabelWidthString().empty())
- result.label_hfill = labelFill(pit, row) / double(nlh);
+ row.label_hfill = labelFill(pit, row) / double(nlh);
}
- // are there any hfills in the row?
- int const nh = numberOfHfills(par, row);
-
- if (nh) {
- if (w > 0)
- result.hfill = w / nh;
+ double hfill = 0;
+ if (w > 0) {
+ // are there any hfills in the row?
+ if (int nh = numberOfHfills(par, row))
+ hfill = w / double(nh);
// 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!
// The test on par.size() is to catch zero-size pars, which
// would trigger the assert in Paragraph::getInset().
//inset = par.size() ? par.getInset(row.pos()) : 0;
- if (row.pos() < par.size()
- && par.isInset(row.pos()))
- {
- switch(par.getInset(row.pos())->display()) {
- case Inset::AlignLeft:
- align = LYX_ALIGN_BLOCK;
- break;
- case Inset::AlignCenter:
- align = LYX_ALIGN_CENTER;
- break;
- case Inset::Inline:
- case Inset::AlignRight:
- // unchanged (use align)
- break;
- }
+ if (row.pos() < par.size() && par.isInset(row.pos())) {
+ switch(par.getInset(row.pos())->display()) {
+ case Inset::AlignLeft:
+ align = LYX_ALIGN_BLOCK;
+ break;
+ case Inset::AlignCenter:
+ align = LYX_ALIGN_CENTER;
+ break;
+ case Inset::Inline:
+ case Inset::AlignRight:
+ // unchanged (use align)
+ break;
+ }
}
switch (align) {
&& !par.isNewline(row.endpos() - 1)
&& !disp_inset
) {
- result.separator = w / ns;
+ row.separator = w / ns;
+ //lyxerr << "row.separator " << row.separator << endl;
+ //lyxerr << "ns " << ns << endl;
} else if (is_rtl) {
- result.x += w;
+ row.x += w;
}
break;
}
case LYX_ALIGN_RIGHT:
- result.x += w;
+ row.x += w;
break;
case LYX_ALIGN_CENTER:
- result.x += w / 2;
+ row.x += w / 2;
break;
}
}
if (body_pos > 0
&& (body_pos > end || !par.isLineSeparator(body_pos - 1)))
{
- result.x += theFontMetrics(text_->getLabelFont(buffer, par)).
+ row.x += theFontMetrics(text_->getLabelFont(buffer, par)).
width(layout->labelsep);
if (body_pos <= end)
- result.x += result.label_hfill;
+ row.x += row.label_hfill;
}
}
- return result;
+ pos_type const endpos = row.endpos();
+ pos_type body_pos = par.beginOfBody();
+ if (body_pos > 0
+ && (body_pos > endpos || !par.isLineSeparator(body_pos - 1)))
+ body_pos = 0;
+
+ ParagraphMetrics & pm = par_metrics_[pit];
+ InsetList::const_iterator ii = par.insetList().begin();
+ InsetList::const_iterator iend = par.insetList().end();
+ for ( ; ii != iend; ++ii) {
+ if (ii->pos >= endpos || ii->pos < row.pos()
+ || ii->inset->lyxCode() != HFILL_CODE)
+ continue;
+ Dimension dim = row.dimension();
+ if (pm.hfillExpansion(row, ii->pos))
+ dim.wid = int(ii->pos >= body_pos ?
+ max(hfill, 5.0) : row.label_hfill);
+ else
+ dim.wid = 5;
+ // Cache the inset dimension.
+ bv_->coordCache().insets().add(ii->inset, dim);
+ pm.setInsetDimension(ii->inset, dim);
+ }
}
}
-namespace {
-
// this needs special handling - only newlines count as a break point
-pos_type addressBreakPoint(pos_type i, Paragraph const & par)
+static pos_type addressBreakPoint(pos_type i, Paragraph const & par)
{
pos_type const end = par.size();
return end;
}
-};
-
int TextMetrics::labelEnd(pit_type const pit) const
{
if (text_->getPar(pit).layout()->margintype != MARGIN_MANUAL)
return 0;
// return the beginning of the body
- return text_->leftMargin(bv_->buffer(), max_width_, pit);
+ return leftMargin(max_width_, pit);
}
-void TextMetrics::rowBreakPoint(int width, pit_type const pit,
- Row & row) const
+pit_type TextMetrics::rowBreakPoint(int width, pit_type const pit,
+ pit_type pos) const
{
Buffer & buffer = bv_->buffer();
ParagraphMetrics const & pm = par_metrics_[pit];
Paragraph const & par = text_->getPar(pit);
pos_type const end = par.size();
- pos_type const pos = row.pos();
- if (pos == end) {
- row.endpos(end);
- return;
- }
-
- if (width < 0) {
- row.endpos(end);
- return;
- }
+ if (pos == end || width < 0)
+ return end;
LayoutPtr const & layout = par.layout();
- if (layout->margintype == MARGIN_RIGHT_ADDRESS_BOX) {
- row.endpos(addressBreakPoint(pos, par));
- return;
- }
+ if (layout->margintype == MARGIN_RIGHT_ADDRESS_BOX)
+ return addressBreakPoint(pos, par);
pos_type const body_pos = par.beginOfBody();
// nearest that.
int label_end = labelEnd(pit);
- int const left = text_->leftMargin(buffer, max_width_, pit, pos);
+ int const left = leftMargin(max_width_, pit, pos);
int x = left;
// pixel width since last breakpoint
int chunkwidth = 0;
- FontIterator fi = FontIterator(buffer, *text_, par, pos);
+ FontIterator fi = FontIterator(*this, par, pit, pos);
pos_type point = end;
pos_type i = pos;
for ( ; i < end; ++i, ++fi) {
point = i;
else
point = i + 1;
-
}
// exit on last registered breakpoint:
break;
if (body_pos && point < body_pos)
point = body_pos;
- row.endpos(point);
+ return point;
}
-void TextMetrics::setRowWidth(int right_margin,
- pit_type const pit, Row & row) const
+int TextMetrics::rowWidth(int right_margin, pit_type const pit,
+ pos_type const first, pos_type const end) const
{
Buffer & buffer = bv_->buffer();
// get the pure distance
- pos_type const end = row.endpos();
ParagraphMetrics const & pm = par_metrics_[pit];
Paragraph const & par = text_->getPar(pit);
- int w = text_->leftMargin(buffer, max_width_, pit, row.pos());
+ int w = leftMargin(max_width_, pit, first);
int label_end = labelEnd(pit);
pos_type const body_pos = par.beginOfBody();
- pos_type i = row.pos();
+ pos_type i = first;
if (i < end) {
- FontIterator fi = FontIterator(buffer, *text_, par, i);
+ FontIterator fi = FontIterator(*this, par, pit, i);
for ( ; i < end; ++i, ++fi) {
if (body_pos > 0 && i == body_pos) {
FontMetrics const & fm = theFontMetrics(
w = max(w, label_end);
}
- row.width(w + right_margin);
+ return w + right_margin;
}
-void TextMetrics::setHeightOfRow(pit_type const pit,
- Row & row)
+Dimension TextMetrics::rowHeight(pit_type const pit, pos_type const first,
+ pos_type const end) const
{
Paragraph const & par = text_->getPar(pit);
// get the maximum ascent and the maximum descent
// start with so we don't have to do the assignment below too
// often.
Buffer const & buffer = bv_->buffer();
- Font font = text_->getFont(buffer, par, row.pos());
- Font::FONT_SIZE const tmpsize = font.size();
- font = text_->getLayoutFont(buffer, pit);
- Font::FONT_SIZE const size = font.size();
- font.setSize(tmpsize);
+ Font font = getDisplayFont(pit, first);
+ FontSize const tmpsize = font.fontInfo().size();
+ font.fontInfo() = text_->getLayoutFont(buffer, pit);
+ FontSize const size = font.fontInfo().size();
+ font.fontInfo().setSize(tmpsize);
- Font labelfont = text_->getLabelFont(buffer, par);
+ FontInfo labelfont = text_->getLabelFont(buffer, par);
FontMetrics const & labelfont_metrics = theFontMetrics(labelfont);
FontMetrics const & fontmetrics = theFontMetrics(font);
int maxdesc = int(fontmetrics.maxDescent() * spacing_val);
// insets may be taller
- InsetList::const_iterator ii = par.insetlist.begin();
- InsetList::const_iterator iend = par.insetlist.end();
+ ParagraphMetrics const & pm = par_metrics_[pit];
+ InsetList::const_iterator ii = par.insetList().begin();
+ InsetList::const_iterator iend = par.insetList().end();
for ( ; ii != iend; ++ii) {
- if (ii->pos >= row.pos() && ii->pos < row.endpos()) {
- maxasc = max(maxasc, ii->inset->ascent());
- maxdesc = max(maxdesc, ii->inset->descent());
+ Dimension const & dim = pm.insetDimension(ii->inset);
+ if (ii->pos >= first && ii->pos < end) {
+ maxasc = max(maxasc, dim.ascent());
+ maxdesc = max(maxdesc, dim.descent());
}
}
// This is not completely correct, but we can live with the small,
// cosmetic error for now.
int labeladdon = 0;
- pos_type const pos_end = row.endpos();
- Font::FONT_SIZE maxsize =
- par.highestFontInRange(row.pos(), pos_end, size);
- if (maxsize > font.size()) {
+ FontSize maxsize =
+ par.highestFontInRange(first, end, size);
+ if (maxsize > font.fontInfo().size()) {
// use standard paragraph font with the maximal size
- Font maxfont = font;
+ FontInfo maxfont = font.fontInfo();
maxfont.setSize(maxsize);
FontMetrics const & maxfontmetrics = theFontMetrics(maxfont);
maxasc = max(maxasc, maxfontmetrics.maxAscent());
++maxasc;
++maxdesc;
- row.ascent(maxasc);
ParagraphList const & pars = text_->paragraphs();
// is it a top line?
- if (row.pos() == 0) {
+ if (first == 0) {
BufferParams const & bufparams = buffer.params();
// some parskips VERY EASY IMPLEMENTATION
if (bufparams.paragraph_separation
== BufferParams::PARSEP_SKIP
- && par.ownerCode() != Inset::ERT_CODE
- && par.ownerCode() != Inset::LISTINGS_CODE
+ && par.ownerCode() != ERT_CODE
+ && par.ownerCode() != LISTINGS_CODE
&& pit > 0
&& ((layout->isParagraph() && par.getDepth() == 0)
|| (pars[pit - 1].layout()->isParagraph()
&& prevpar.getLabelWidthString()
== par.getLabelWidthString()) {
layoutasc = layout->itemsep * dh;
- } else if (pit != 0 || row.pos() != 0) {
+ } else if (pit != 0 || first != 0) {
if (layout->topsep > 0)
layoutasc = layout->topsep * dh;
}
}
// is it a bottom line?
- if (row.endpos() >= par.size()) {
+ if (end >= par.size()) {
// add the layout spaces, for example before and after
// a section, or between the items of a itemize or enumerate
// environment
// main Text. The following test is thus bogus.
// Top and bottom margin of the document (only at top-level)
if (main_text_) {
- if (pit == 0 && row.pos() == 0)
+ if (pit == 0 && first == 0)
maxasc += 20;
if (pit + 1 == pit_type(pars.size()) &&
- row.endpos() == par.size() &&
- !(row.endpos() > 0 && par.isNewline(row.endpos() - 1)))
+ end == par.size() &&
+ !(end > 0 && par.isNewline(end - 1)))
maxdesc += 20;
}
- row.ascent(maxasc + labeladdon);
- row.descent(maxdesc);
+ return Dimension(0, maxasc + labeladdon, maxdesc);
}
/// For the main Text, it is possible that this pit is not
/// yet in the CoordCache when moving cursor up.
/// x Paragraph coordinate is always 0 for main text anyway.
- int const xo = main_text_? 0 : bv_->coordCache().get(text_, pit).x_;
+ int const xo = origin_.x_;
x -= xo;
- RowMetrics const r = computeRowMetrics(pit, row);
Paragraph const & par = text_->getPar(pit);
Bidi bidi;
bidi.computeTables(par, buffer, row);
pos_type body_pos = par.beginOfBody();
- double tmpx = r.x;
+ double tmpx = row.x;
double last_tmpx = tmpx;
if (body_pos > 0 &&
if (body_pos > 0 && c == body_pos - 1) {
FontMetrics const & fm = theFontMetrics(
text_->getLabelFont(buffer, par));
- tmpx += r.label_hfill + fm.width(layout->labelsep);
+ tmpx += row.label_hfill + fm.width(layout->labelsep);
if (par.isLineSeparator(body_pos - 1))
tmpx -= singleWidth(pit, body_pos - 1);
}
- if (par.hfillExpansion(row, c)) {
- tmpx += singleWidth(pit, c);
- if (c >= body_pos)
- tmpx += r.hfill;
- else
- tmpx += r.label_hfill;
- } else if (par.isSeparator(c)) {
- tmpx += singleWidth(pit, c);
- if (c >= body_pos)
- tmpx += r.separator;
- } else {
- tmpx += singleWidth(pit, c);
- }
+ tmpx += singleWidth(pit, c);
+ if (par.isSeparator(c) && c >= body_pos)
+ tmpx += row.separator;
++vc;
}
bool const rtl = (bidi.level(c) % 2 == 1);
if (left_side == rtl) {
++c;
- boundary = text_->isRTLBoundary(buffer, par, c);
+ boundary = isRTLBoundary(pit, c);
}
}
pos_type TextMetrics::x2pos(pit_type pit, int row, int x) const
{
- ParagraphMetrics const & pm = par_metrics_[pit];
- BOOST_ASSERT(!pm.rows().empty());
+ // We play safe and use parMetrics(pit) to make sure the
+ // ParagraphMetrics will be redone and OK to use if needed.
+ // Otherwise we would use an empty ParagraphMetrics in
+ // upDownInText() while in selection mode.
+ ParagraphMetrics const & pm = parMetrics(pit);
+
BOOST_ASSERT(row < int(pm.rows().size()));
bool bound = false;
Row const & r = pm.rows()[row];
}
-int TextMetrics::singleWidth(pit_type pit, pos_type pos) const
+void TextMetrics::newParMetricsDown()
+{
+ pair<pit_type, ParagraphMetrics> const & last = *par_metrics_.rbegin();
+ pit_type const pit = last.first + 1;
+ if (pit == int(text_->paragraphs().size()))
+ return;
+
+ // do it and update its position.
+ redoParagraph(pit);
+ par_metrics_[pit].setPosition(last.second.position()
+ + last.second.descent());
+}
+
+
+void TextMetrics::newParMetricsUp()
+{
+ pair<pit_type, ParagraphMetrics> const & first = *par_metrics_.begin();
+ if (first.first == 0)
+ return;
+
+ pit_type const pit = first.first - 1;
+ // do it and update its position.
+ redoParagraph(pit);
+ par_metrics_[pit].setPosition(first.second.position()
+ - first.second.ascent());
+}
+
+// y is screen coordinate
+pit_type TextMetrics::getPitNearY(int y)
+{
+ BOOST_ASSERT(!text_->paragraphs().empty());
+ LYXERR(Debug::DEBUG, "y: " << y << " cache size: " << par_metrics_.size());
+
+ // look for highest numbered paragraph with y coordinate less than given y
+ pit_type pit = -1;
+ int yy = -1;
+ ParMetricsCache::const_iterator it = par_metrics_.begin();
+ ParMetricsCache::const_iterator et = par_metrics_.end();
+ ParMetricsCache::const_iterator last = et; last--;
+
+ ParagraphMetrics const & pm = it->second;
+
+ if (y < it->second.position() - int(pm.ascent())) {
+ // We are looking for a position that is before the first paragraph in
+ // the cache (which is in priciple off-screen, that is before the
+ // visible part.
+ if (it->first == 0)
+ // We are already at the first paragraph in the inset.
+ return 0;
+ // OK, this is the paragraph we are looking for.
+ pit = it->first - 1;
+ newParMetricsUp();
+ return pit;
+ }
+
+ ParagraphMetrics const & pm_last = par_metrics_[last->first];
+
+ if (y >= last->second.position() + int(pm_last.descent())) {
+ // We are looking for a position that is after the last paragraph in
+ // the cache (which is in priciple off-screen, that is before the
+ // visible part.
+ pit = last->first + 1;
+ if (pit == int(text_->paragraphs().size()))
+ // We are already at the last paragraph in the inset.
+ return last->first;
+ // OK, this is the paragraph we are looking for.
+ newParMetricsDown();
+ return pit;
+ }
+
+ for (; it != et; ++it) {
+ LYXERR(Debug::DEBUG, "examining: pit: " << it->first
+ << " y: " << it->second.position());
+
+ ParagraphMetrics const & pm = par_metrics_[it->first];
+
+ if (it->first >= pit && int(it->second.position()) - int(pm.ascent()) <= y) {
+ pit = it->first;
+ yy = it->second.position();
+ }
+ }
+
+ LYXERR(Debug::DEBUG, "found best y: " << yy << " for pit: " << pit);
+
+ return pit;
+}
+
+
+Row const & TextMetrics::getRowNearY(int y, pit_type pit) const
+{
+ ParagraphMetrics const & pm = par_metrics_[pit];
+
+ int yy = pm.position() - pm.ascent();
+ BOOST_ASSERT(!pm.rows().empty());
+ RowList::const_iterator rit = pm.rows().begin();
+ RowList::const_iterator rlast = pm.rows().end();
+ --rlast;
+ for (; rit != rlast; yy += rit->height(), ++rit)
+ if (yy + rit->height() > y)
+ break;
+ return *rit;
+}
+
+
+// x,y are absolute screen coordinates
+// sets cursor recursively descending into nested editable insets
+Inset * TextMetrics::editXY(Cursor & cur, int x, int y)
+{
+ if (lyxerr.debugging(Debug::WORKAREA)) {
+ LYXERR0("TextMetrics::editXY(cur, " << x << ", " << y << ")");
+ cur.bv().coordCache().dump();
+ }
+ pit_type pit = getPitNearY(y);
+ BOOST_ASSERT(pit != -1);
+
+ Row const & row = getRowNearY(y, pit);
+ bool bound = false;
+
+ int xx = x; // is modified by getColumnNearX
+ pos_type const pos = row.pos()
+ + getColumnNearX(pit, row, xx, bound);
+ cur.pit() = pit;
+ cur.pos() = pos;
+ cur.boundary(bound);
+ cur.setTargetX(x);
+
+ // try to descend into nested insets
+ Inset * inset = checkInsetHit(x, y);
+ //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;
+ }
+
+ ParagraphList const & pars = text_->paragraphs();
+ Inset const * insetBefore = pos? pars[pit].getInset(pos - 1): 0;
+ //Inset * insetBehind = pars[pit].getInset(pos);
+
+ // This should be just before or just behind the
+ // cursor position set above.
+ BOOST_ASSERT((pos != 0 && inset == insetBefore)
+ || inset == pars[pit].getInset(pos));
+
+ // Make sure the cursor points to the position before
+ // this inset.
+ if (inset == insetBefore) {
+ --cur.pos();
+ cur.boundary(false);
+ }
+
+ // Try to descend recursively inside the inset.
+ inset = inset->editXY(cur, x, y);
+
+ if (cur.top().text() == text_)
+ cur.setCurrentFont();
+ return inset;
+}
+
+
+void TextMetrics::setCursorFromCoordinates(Cursor & cur, int const x, int const y)
+{
+ BOOST_ASSERT(text_ == cur.text());
+ pit_type pit = getPitNearY(y);
+
+ ParagraphMetrics const & pm = par_metrics_[pit];
+
+ int yy = pm.position() - pm.ascent();
+ LYXERR(Debug::DEBUG, "x: " << x << " y: " << y <<
+ " pit: " << pit << " yy: " << yy);
+
+ int r = 0;
+ BOOST_ASSERT(pm.rows().size());
+ for (; r < int(pm.rows().size()) - 1; ++r) {
+ Row const & row = pm.rows()[r];
+ if (int(yy + row.height()) > y)
+ break;
+ yy += row.height();
+ }
+
+ Row const & row = pm.rows()[r];
+
+ LYXERR(Debug::DEBUG, "row " << r << " from pos: " << row.pos());
+
+ bool bound = false;
+ int xx = x;
+ pos_type const pos = row.pos() + getColumnNearX(pit, row, xx, bound);
+
+ LYXERR(Debug::DEBUG, "setting cursor pit: " << pit << " pos: " << pos);
+
+ text_->setCursor(cur, pit, pos, true, bound);
+ // remember new position.
+ cur.setTargetX();
+}
+
+
+//takes screen x,y coordinates
+Inset * TextMetrics::checkInsetHit(int x, int y)
{
+ pit_type pit = getPitNearY(y);
+ BOOST_ASSERT(pit != -1);
+
+ Paragraph const & par = text_->paragraphs()[pit];
+ ParagraphMetrics const & pm = par_metrics_[pit];
+
+ LYXERR(Debug::DEBUG, "x: " << x << " y: " << y << " pit: " << pit);
+
+ InsetList::const_iterator iit = par.insetList().begin();
+ InsetList::const_iterator iend = par.insetList().end();
+ for (; iit != iend; ++iit) {
+ Inset * inset = iit->inset;
+
+ LYXERR(Debug::DEBUG, "examining inset " << inset);
+
+ if (!bv_->coordCache().getInsets().has(inset)) {
+ LYXERR(Debug::DEBUG, "inset has no cached position");
+ return 0;
+ }
+
+ Dimension const & dim = pm.insetDimension(inset);
+ Point p = bv_->coordCache().getInsets().xy(inset);
+
+ LYXERR(Debug::DEBUG, "xo: " << p.x_ << "..." << p.x_ + dim.wid
+ << " yo: " << p.y_ - dim.asc << "..." << p.y_ + dim.des);
+
+ if (x >= p.x_
+ && x <= p.x_ + dim.wid
+ && y >= p.y_ - dim.asc
+ && y <= p.y_ + dim.des) {
+ LYXERR(Debug::DEBUG, "Hit inset: " << inset);
+ return inset;
+ }
+ }
+
+ LYXERR(Debug::DEBUG, "No inset hit. ");
+ return 0;
+}
+
+
+int TextMetrics::cursorX(CursorSlice const & sl,
+ bool boundary) const
+{
+ BOOST_ASSERT(sl.text() == text_);
+ pit_type const pit = sl.pit();
+ Paragraph const & par = text_->paragraphs()[pit];
+ ParagraphMetrics const & pm = par_metrics_[pit];
+ if (pm.rows().empty())
+ return 0;
+
+ pos_type ppos = sl.pos();
+ // Correct position in front of big insets
+ bool const boundary_correction = ppos != 0 && boundary;
+ if (boundary_correction)
+ --ppos;
+
+ Row const & row = pm.getRow(sl.pos(), boundary);
+
+ pos_type cursor_vpos = 0;
+
Buffer const & buffer = bv_->buffer();
+ double x = row.x;
+ Bidi bidi;
+ bidi.computeTables(par, buffer, row);
+
+ pos_type const row_pos = row.pos();
+ pos_type const end = row.endpos();
+ // Spaces at logical line breaks in bidi text must be skipped during
+ // cursor positioning. However, they may appear visually in the middle
+ // of a row; they must be skipped, wherever they are...
+ // * logically "abc_[HEBREW_\nHEBREW]"
+ // * visually "abc_[_WERBEH\nWERBEH]"
+ pos_type skipped_sep_vpos = -1;
+
+ if (end <= row_pos)
+ cursor_vpos = row_pos;
+ else if (ppos >= end)
+ cursor_vpos = text_->isRTL(buffer, par) ? row_pos : end;
+ else if (ppos > row_pos && ppos >= end)
+ // Place cursor after char at (logical) position pos - 1
+ cursor_vpos = (bidi.level(ppos - 1) % 2 == 0)
+ ? bidi.log2vis(ppos - 1) + 1 : bidi.log2vis(ppos - 1);
+ else
+ // Place cursor before char at (logical) position ppos
+ cursor_vpos = (bidi.level(ppos) % 2 == 0)
+ ? bidi.log2vis(ppos) : bidi.log2vis(ppos) + 1;
+
+ pos_type body_pos = par.beginOfBody();
+ if (body_pos > 0 &&
+ (body_pos > end || !par.isLineSeparator(body_pos - 1)))
+ body_pos = 0;
+
+ // Use font span to speed things up, see below
+ FontSpan font_span;
+ Font font;
+
+ // If the last logical character is a separator, skip it, unless
+ // it's in the last row of a paragraph; see skipped_sep_vpos declaration
+ if (end > 0 && end < par.size() && par.isSeparator(end - 1))
+ skipped_sep_vpos = bidi.log2vis(end - 1);
+
+ for (pos_type vpos = row_pos; vpos < cursor_vpos; ++vpos) {
+ // Skip the separator which is at the logical end of the row
+ if (vpos == skipped_sep_vpos)
+ continue;
+ pos_type pos = bidi.vis2log(vpos);
+ if (body_pos > 0 && pos == body_pos - 1) {
+ FontMetrics const & labelfm = theFontMetrics(
+ text_->getLabelFont(buffer, par));
+ x += row.label_hfill + labelfm.width(par.layout()->labelsep);
+ if (par.isLineSeparator(body_pos - 1))
+ x -= singleWidth(pit, body_pos - 1);
+ }
+
+ // Use font span to speed things up, see above
+ if (pos < font_span.first || pos > font_span.last) {
+ font_span = par.fontSpan(pos);
+ font = getDisplayFont(pit, pos);
+ }
+
+ x += pm.singleWidth(pos, font);
+
+ if (par.isSeparator(pos) && pos >= body_pos)
+ x += row.separator;
+ }
+
+ // see correction above
+ if (boundary_correction) {
+ if (isRTL(sl, boundary))
+ x -= singleWidth(pit, ppos);
+ else
+ x += singleWidth(pit, ppos);
+ }
+
+ return int(x);
+}
+
+
+int TextMetrics::cursorY(CursorSlice const & sl, bool boundary) const
+{
+ //lyxerr << "TextMetrics::cursorY: boundary: " << boundary << std::endl;
+ ParagraphMetrics const & pm = par_metrics_[sl.pit()];
+ if (pm.rows().empty())
+ return 0;
+
+ int h = 0;
+ h -= par_metrics_[0].rows()[0].ascent();
+ for (pit_type pit = 0; pit < sl.pit(); ++pit) {
+ h += par_metrics_[pit].height();
+ }
+ int pos = sl.pos();
+ if (pos && boundary)
+ --pos;
+ size_t const rend = pm.pos2row(pos);
+ for (size_t rit = 0; rit != rend; ++rit)
+ h += pm.rows()[rit].height();
+ h += pm.rows()[rend].ascent();
+ return h;
+}
+
+
+void TextMetrics::cursorPrevious(Cursor & cur)
+{
+ pos_type cpos = cur.pos();
+ pit_type cpar = cur.pit();
+
+ int x = cur.x_target();
+ setCursorFromCoordinates(cur, x, 0);
+ cur.dispatch(FuncRequest(cur.selection()? LFUN_UP_SELECT: LFUN_UP));
+
+ if (cpar == cur.pit() && cpos == cur.pos())
+ // we have a row which is taller than the workarea. The
+ // simplest solution is to move to the previous row instead.
+ cur.dispatch(FuncRequest(cur.selection()? LFUN_UP_SELECT: LFUN_UP));
+
+ cur.finishUndo();
+ cur.updateFlags(Update::Force | Update::FitCursor);
+}
+
+
+void TextMetrics::cursorNext(Cursor & cur)
+{
+ pos_type cpos = cur.pos();
+ pit_type cpar = cur.pit();
+
+ int x = cur.x_target();
+ setCursorFromCoordinates(cur, x, cur.bv().workHeight() - 1);
+ cur.dispatch(FuncRequest(cur.selection()? LFUN_DOWN_SELECT: LFUN_DOWN));
+
+ if (cpar == cur.pit() && cpos == cur.pos())
+ // we have a row which is taller than the workarea. The
+ // simplest solution is to move to the next row instead.
+ cur.dispatch(
+ FuncRequest(cur.selection()? LFUN_DOWN_SELECT: LFUN_DOWN));
+
+ cur.finishUndo();
+ cur.updateFlags(Update::Force | Update::FitCursor);
+}
+
+
+// the cursor set functions have a special mechanism. When they
+// realize you left an empty paragraph, they will delete it.
+
+bool TextMetrics::cursorHome(Cursor & cur)
+{
+ BOOST_ASSERT(text_ == cur.text());
+ ParagraphMetrics const & pm = par_metrics_[cur.pit()];
+ Row const & row = pm.getRow(cur.pos(),cur.boundary());
+ return text_->setCursor(cur, cur.pit(), row.pos());
+}
+
+
+bool TextMetrics::cursorEnd(Cursor & cur)
+{
+ BOOST_ASSERT(text_ == cur.text());
+ // 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.
+ pos_type end = cur.textRow().endpos();
+ if (end == 0)
+ // empty text, end-1 is no valid position
+ return false;
+ bool boundary = false;
+ if (end != cur.lastpos()) {
+ if (!cur.paragraph().isLineSeparator(end-1)
+ && !cur.paragraph().isNewline(end-1))
+ boundary = true;
+ else
+ --end;
+ }
+ return text_->setCursor(cur, cur.pit(), end, true, boundary);
+}
+
+
+void TextMetrics::deleteLineForward(Cursor & cur)
+{
+ BOOST_ASSERT(text_ == cur.text());
+ if (cur.lastpos() == 0) {
+ // Paragraph is empty, so we just go forward
+ text_->cursorForward(cur);
+ } else {
+ cur.resetAnchor();
+ cur.selection() = true; // to avoid deletion
+ cursorEnd(cur);
+ cur.setSelection();
+ // What is this test for ??? (JMarc)
+ if (!cur.selection())
+ text_->deleteWordForward(cur);
+ else
+ cap::cutSelection(cur, true, false);
+ checkBufferStructure(cur.buffer(), cur);
+ }
+}
+
+
+bool TextMetrics::isLastRow(pit_type pit, Row const & row) const
+{
+ ParagraphList const & pars = text_->paragraphs();
+ return row.endpos() >= pars[pit].size()
+ && pit + 1 == pit_type(pars.size());
+}
+
+
+bool TextMetrics::isFirstRow(pit_type pit, Row const & row) const
+{
+ return row.pos() == 0 && pit == 0;
+}
+
+
+int TextMetrics::leftMargin(int max_width, pit_type pit) const
+{
+ BOOST_ASSERT(pit >= 0);
+ BOOST_ASSERT(pit < int(text_->paragraphs().size()));
+ return leftMargin(max_width, pit, text_->paragraphs()[pit].size());
+}
+
+
+int TextMetrics::leftMargin(int max_width,
+ pit_type const pit, pos_type const pos) const
+{
+ ParagraphList const & pars = text_->paragraphs();
+
+ BOOST_ASSERT(pit >= 0);
+ BOOST_ASSERT(pit < int(pars.size()));
+ Paragraph const & par = pars[pit];
+ BOOST_ASSERT(pos >= 0);
+ BOOST_ASSERT(pos <= par.size());
+ Buffer const & buffer = bv_->buffer();
+ //lyxerr << "TextMetrics::leftMargin: pit: " << pit << " pos: " << pos << endl;
+ TextClass const & tclass = buffer.params().getTextClass();
+ LayoutPtr const & layout = par.layout();
+
+ docstring parindent = layout->parindent;
+
+ int l_margin = 0;
+
+ if (text_->isMainText(buffer))
+ l_margin += changebarMargin();
+
+ l_margin += theFontMetrics(buffer.params().getFont()).signedWidth(
+ tclass.leftmargin());
+
+ if (par.getDepth() != 0) {
+ // find the next level paragraph
+ pit_type newpar = outerHook(pit, pars);
+ if (newpar != pit_type(pars.size())) {
+ if (pars[newpar].layout()->isEnvironment()) {
+ l_margin = leftMargin(max_width, newpar);
+ }
+ if (par.layout() == tclass.defaultLayout()) {
+ if (pars[newpar].params().noindent())
+ parindent.erase();
+ else
+ parindent = pars[newpar].layout()->parindent;
+ }
+ }
+ }
+
+ // This happens after sections in standard classes. The 1.3.x
+ // code compared depths too, but it does not seem necessary
+ // (JMarc)
+ if (par.layout() == tclass.defaultLayout()
+ && pit > 0 && pars[pit - 1].layout()->nextnoindent)
+ parindent.erase();
+
+ FontInfo const labelfont = text_->getLabelFont(buffer, par);
+ FontMetrics const & labelfont_metrics = theFontMetrics(labelfont);
+
+ switch (layout->margintype) {
+ case MARGIN_DYNAMIC:
+ if (!layout->leftmargin.empty()) {
+ l_margin += theFontMetrics(buffer.params().getFont()).signedWidth(
+ layout->leftmargin);
+ }
+ if (!par.getLabelstring().empty()) {
+ l_margin += labelfont_metrics.signedWidth(layout->labelindent);
+ l_margin += labelfont_metrics.width(par.getLabelstring());
+ l_margin += labelfont_metrics.width(layout->labelsep);
+ }
+ break;
+
+ case MARGIN_MANUAL: {
+ l_margin += labelfont_metrics.signedWidth(layout->labelindent);
+ // The width of an empty par, even with manual label, should be 0
+ if (!par.empty() && pos >= par.beginOfBody()) {
+ if (!par.getLabelWidthString().empty()) {
+ docstring labstr = par.getLabelWidthString();
+ l_margin += labelfont_metrics.width(labstr);
+ l_margin += labelfont_metrics.width(layout->labelsep);
+ }
+ }
+ break;
+ }
+
+ case MARGIN_STATIC: {
+ l_margin += theFontMetrics(buffer.params().getFont()).
+ signedWidth(layout->leftmargin) * 4 / (par.getDepth() + 4);
+ break;
+ }
+
+ case MARGIN_FIRST_DYNAMIC:
+ if (layout->labeltype == LABEL_MANUAL) {
+ if (pos >= par.beginOfBody()) {
+ l_margin += labelfont_metrics.signedWidth(layout->leftmargin);
+ } else {
+ l_margin += labelfont_metrics.signedWidth(layout->labelindent);
+ }
+ } else if (pos != 0
+ // Special case to fix problems with
+ // theorems (JMarc)
+ || (layout->labeltype == LABEL_STATIC
+ && layout->latextype == LATEX_ENVIRONMENT
+ && !isFirstInSequence(pit, pars))) {
+ l_margin += labelfont_metrics.signedWidth(layout->leftmargin);
+ } else if (layout->labeltype != LABEL_TOP_ENVIRONMENT
+ && layout->labeltype != LABEL_BIBLIO
+ && layout->labeltype !=
+ LABEL_CENTERED_TOP_ENVIRONMENT) {
+ l_margin += labelfont_metrics.signedWidth(layout->labelindent);
+ l_margin += labelfont_metrics.width(layout->labelsep);
+ l_margin += labelfont_metrics.width(par.getLabelstring());
+ }
+ break;
+
+ 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.
+ 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 += minfill;
+#endif
+ // also wrong, but much shorter.
+ l_margin += max_width / 2;
+ break;
+ }
+ }
+
+ if (!par.params().leftIndent().zero())
+ l_margin += par.params().leftIndent().inPixels(max_width);
+
+ LyXAlignment align;
+
+ if (par.params().align() == LYX_ALIGN_LAYOUT)
+ align = layout->align;
+ else
+ align = par.params().align();
+
+ // 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_STATIC
+ && layout->latextype == LATEX_ENVIRONMENT
+ && !isFirstInSequence(pit, pars)))
+ && align == LYX_ALIGN_BLOCK
+ && !par.params().noindent()
+ // in some insets, paragraphs are never indented
+ && !(par.inInset() && par.inInset()->neverIndent(buffer))
+ // display style insets are always centered, omit indentation
+ && !(!par.empty()
+ && par.isInset(pos)
+ && par.getInset(pos)->display())
+ && (par.layout() != tclass.defaultLayout()
+ || buffer.params().paragraph_separation ==
+ BufferParams::PARSEP_INDENT))
+ {
+ l_margin += theFontMetrics(buffer.params().getFont()).signedWidth(
+ parindent);
+ }
+
+ return l_margin;
+}
+
+
+int TextMetrics::singleWidth(pit_type pit, pos_type pos) const
+{
ParagraphMetrics const & pm = par_metrics_[pit];
- return pm.singleWidth(pos, text_->getFont(buffer, text_->getPar(pit), pos));
+ return pm.singleWidth(pos, getDisplayFont(pit, pos));
}
-//int Text::pos2x(pit_type pit, pos_type pos) const
+void TextMetrics::draw(PainterInfo & pi, int x, int y) const
+{
+ if (par_metrics_.empty())
+ return;
+
+ origin_.x_ = x;
+ origin_.y_ = y;
+
+ ParMetricsCache::iterator it = par_metrics_.begin();
+ ParMetricsCache::iterator const pm_end = par_metrics_.end();
+ y -= it->second.ascent();
+ for (; it != pm_end; ++it) {
+ ParagraphMetrics const & pmi = it->second;
+ y += pmi.ascent();
+ pit_type const pit = it->first;
+ // Save the paragraph position in the cache.
+ it->second.setPosition(y);
+ drawParagraph(pi, pit, x, y);
+ y += pmi.descent();
+ }
+}
+
+
+void TextMetrics::drawParagraph(PainterInfo & pi, pit_type pit, int x, int y) const
+{
+ BufferParams const & bparams = bv_->buffer().params();
+ ParagraphMetrics const & pm = par_metrics_[pit];
+ if (pm.rows().empty())
+ return;
+
+ Bidi bidi;
+ bool const original_drawing_state = pi.pain.isDrawingEnabled();
+ int const ww = bv_->workHeight();
+ size_t const nrows = pm.rows().size();
+
+ for (size_t i = 0; i != nrows; ++i) {
+
+ Row const & row = pm.rows()[i];
+ if (i)
+ y += row.ascent();
+
+ bool const inside = (y + row.descent() >= 0
+ && y - row.ascent() < ww);
+ // It is not needed to draw on screen if we are not inside.
+ pi.pain.setDrawingEnabled(inside && original_drawing_state);
+ RowPainter rp(pi, *text_, pit, row, bidi, x, y);
+
+ // Row signature; has row changed since last paint?
+ row.setCrc(pm.computeRowSignature(row, bparams));
+ bool row_has_changed = row.changed();
+
+ // Don't paint the row if a full repaint has not been requested
+ // and if it has not changed.
+ if (!pi.full_repaint && !row_has_changed) {
+ // Paint only the insets if the text itself is
+ // unchanged.
+ rp.paintOnlyInsets();
+ y += row.descent();
+ continue;
+ }
+
+ // Clear background of this row if paragraph background was not
+ // already cleared because of a full repaint.
+ if (!pi.full_repaint && row_has_changed) {
+ pi.pain.fillRectangle(x, y - row.ascent(),
+ width(), row.height(), pi.background_color);
+ }
+
+ bool row_selection = row.sel_beg != -1 && row.sel_end != -1;
+ if (row_selection) {
+ DocIterator beg = bv_->cursor().selectionBegin();
+ DocIterator end = bv_->cursor().selectionEnd();
+ bool const beg_margin = beg.pit() < pit && i == 0;
+ bool const end_margin = end.pit() > pit && i == nrows - 1;
+ beg.pit() = pit;
+ beg.pos() = row.sel_beg;
+ end.pit() = pit;
+ end.pos() = row.sel_end;
+ drawRowSelection(pi, x, row, beg, end, beg_margin, end_margin);
+ }
+
+ // Instrumentation for testing row cache (see also
+ // 12 lines lower):
+ if (lyxerr.debugging(Debug::PAINTING) && inside
+ && (row_selection || pi.full_repaint || row_has_changed)) {
+ std::string const foreword = text_->isMainText(bv_->buffer()) ?
+ "main text redraw " : "inset text redraw: ";
+ LYXERR(Debug::PAINTING, foreword << "pit=" << pit << " row=" << i
+ << " row_selection=" << row_selection
+ << " full_repaint=" << pi.full_repaint
+ << " row_has_changed=" << row_has_changed);
+ }
+
+ // Backup full_repaint status and force full repaint
+ // for inner insets as the Row has been cleared out.
+ bool tmp = pi.full_repaint;
+ pi.full_repaint = true;
+ rp.paintAppendix();
+ rp.paintDepthBar();
+ rp.paintChangeBar();
+ if (i == 0)
+ rp.paintFirst();
+ rp.paintText();
+ if (i == nrows - 1)
+ rp.paintLast();
+ y += row.descent();
+ // Restore full_repaint status.
+ pi.full_repaint = tmp;
+ }
+ // Re-enable screen drawing for future use of the painter.
+ pi.pain.setDrawingEnabled(original_drawing_state);
+
+ //LYXERR(Debug::PAINTING, ".");
+}
+
+
+void TextMetrics::drawRowSelection(PainterInfo & pi, int x, Row const & row,
+ DocIterator const & beg, DocIterator const & end,
+ bool drawOnBegMargin, bool drawOnEndMargin) const
+{
+ Buffer & buffer = bv_->buffer();
+ DocIterator cur = beg;
+ int x1 = cursorX(beg.top(), beg.boundary());
+ int x2 = cursorX(end.top(), end.boundary());
+ int y1 = bv_->getPos(cur, cur.boundary()).y_ - row.ascent();
+ int y2 = y1 + row.height();
+
+ // draw the margins
+ if (drawOnBegMargin) {
+ if (text_->isRTL(buffer, beg.paragraph()))
+ pi.pain.fillRectangle(x + x1, y1, width() - x1, y2 - y1, Color_selection);
+ else
+ pi.pain.fillRectangle(x, y1, x1, y2 - y1, Color_selection);
+ }
+
+ if (drawOnEndMargin) {
+ if (text_->isRTL(buffer, beg.paragraph()))
+ pi.pain.fillRectangle(x, y1, x2, y2 - y1, Color_selection);
+ else
+ pi.pain.fillRectangle(x + x2, y1, width() - 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 drawNow = 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);
+ drawNow = 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) || drawNow) {
+ 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;
+ }
+ }
+}
+
+//int TextMetrics::pos2x(pit_type pit, pos_type pos) const
//{
// ParagraphMetrics const & pm = par_metrics_[pit];
// Row const & r = pm.rows()[row];
int defaultRowHeight()
{
- return int(theFontMetrics(Font(Font::ALL_SANE)).maxHeight() * 1.2);
+ return int(theFontMetrics(sane_font).maxHeight() * 1.2);
}
} // namespace lyx
projects / lyx.git / blobdiff