* Licence details can be found in the file COPYING.
*
* \author Asger Alstrup
- * \author Lars Gullik Bjønnes
+ * \author Lars Gullik Bjønnes
* \author Jean-Marc Lasgouttes
* \author John Levon
- * \author André Pönitz
+ * \author André Pönitz
* \author Dekel Tsur
- * \author Jürgen Vigna
+ * \author Jürgen Vigna
* \author Abdelrazak Younes
*
* Full author contact details are available in file CREDITS.
#include "TextMetrics.h"
+#include "Bidi.h"
#include "Buffer.h"
+#include "buffer_funcs.h"
#include "BufferParams.h"
#include "BufferView.h"
-#include "Color.h"
#include "CoordCache.h"
-#include "debug.h"
-#include "FontIterator.h"
-#include "FuncRequest.h"
+#include "Cursor.h"
+#include "CutAndPaste.h"
+#include "HSpace.h"
+#include "InsetList.h"
+#include "Layout.h"
#include "Length.h"
#include "LyXRC.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 "WordLangTuple.h"
+
+#include "insets/InsetText.h"
+
+#include "mathed/MacroTable.h"
+#include "mathed/MathMacroTemplate.h"
#include "frontends/FontMetrics.h"
#include "frontends/Painter.h"
-using std::max;
-using std::min;
-using std::endl;
+#include "support/debug.h"
+#include "support/docstring_list.h"
+#include "support/lassert.h"
+
+#include <cstdlib>
+
+using namespace std;
+
namespace lyx {
using frontend::FontMetrics;
-namespace {
-
-int numberOfSeparators(Paragraph const & par, Row const & row)
+static int numberOfSeparators(Paragraph const & par, Row const & row)
{
pos_type const first = max(row.pos(), par.beginOfBody());
pos_type const last = row.endpos() - 1;
}
-int numberOfLabelHfills(Paragraph const & par, Row const & row)
+static int numberOfLabelHfills(Paragraph const & par, Row const & row)
{
pos_type last = row.endpos() - 1;
pos_type first = row.pos();
}
-int numberOfHfills(Paragraph const & par, Row const & row)
+static int numberOfHfills(Paragraph const & par, Row const & row)
{
pos_type const last = row.endpos();
pos_type first = row.pos();
return n;
}
-} // namespace anon
+
+/////////////////////////////////////////////////////////////////////
+//
+// TextMetrics
+//
+/////////////////////////////////////////////////////////////////////
+
TextMetrics::TextMetrics(BufferView * bv, Text * text)
: bv_(bv), text_(text)
{
- BOOST_ASSERT(bv_);
+ LASSERT(bv_, /**/);
max_width_ = bv_->workWidth();
dim_.wid = max_width_;
dim_.asc = 10;
dim_.des = 10;
+}
- //text_->updateLabels(bv->buffer());
+
+bool TextMetrics::contains(pit_type pit) const
+{
+ return par_metrics_.find(pit) != par_metrics_.end();
}
}
-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
+{
+ LASSERT(!par_metrics_.empty(), /**/);
+ 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)
+bool TextMetrics::metrics(MetricsInfo & mi, Dimension & dim, int min_width)
{
- BOOST_ASSERT(mi.base.textwidth);
+ LASSERT(mi.base.textwidth > 0, /**/);
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;
}
int TextMetrics::rightMargin(ParagraphMetrics const & pm) const
{
- return main_text_? pm.rightMargin(bv_->buffer()) : 0;
+ return main_text_? pm.rightMargin(*bv_) : 0;
}
int TextMetrics::rightMargin(pit_type const pit) const
{
- return main_text_? par_metrics_[pit].rightMargin(bv_->buffer()) : 0;
+ return main_text_? par_metrics_[pit].rightMargin(*bv_) : 0;
+}
+
+
+void TextMetrics::applyOuterFont(Font & font) const
+{
+ FontInfo lf(font_.fontInfo());
+ lf.reduce(bv_->buffer().params().getFont().fontInfo());
+ font.fontInfo().realize(lf);
+}
+
+
+Font TextMetrics::displayFont(pit_type pit, pos_type pos) const
+{
+ LASSERT(pos >= 0, /**/);
+
+ ParagraphList const & pars = text_->paragraphs();
+ Paragraph const & par = pars[pit];
+ Layout 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())
+ 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())
+ 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(text_->outerFont(pit).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 displayFont(sl.pit(), sl.pos() + correction).isVisibleRightToLeft();
+}
+
+
+bool TextMetrics::isRTLBoundary(pit_type pit, pos_type pos) const
+{
+ // no RTL boundary at paragraph start
+ if (!lyxrc.rtl_support || pos == 0)
+ return false;
+
+ Font const & left_font = displayFont(pit, pos - 1);
+
+ return isRTLBoundary(pit, pos, left_font);
+}
+
+
+// isRTLBoundary returns false on a real end-of-line boundary,
+// because otherwise the two boundary types get mixed up.
+// This is the whole purpose of this being in TextMetrics.
+bool TextMetrics::isRTLBoundary(pit_type pit, pos_type pos,
+ Font const & font) const
+{
+ if (!lyxrc.rtl_support
+ // no RTL boundary at paragraph start
+ || pos == 0
+ // if the metrics have not been calculated, then we are not
+ // on screen and can safely ignore issues about boundaries.
+ || !contains(pit))
+ return false;
+
+ ParagraphMetrics & pm = par_metrics_[pit];
+ // no RTL boundary in empty paragraph
+ if (pm.rows().empty())
+ return false;
+
+ pos_type endpos = pm.getRow(pos - 1, false).endpos();
+ pos_type startpos = pm.getRow(pos, false).pos();
+ // no RTL boundary at line start:
+ // abc\n -> toggle to RTL -> abc\n (and not: abc\n|
+ // | | )
+ if (pos == startpos && pos == endpos) // start of cur row, end of prev row
+ return false;
+
+ Paragraph const & par = text_->getPar(pit);
+ // no RTL boundary at line break:
+ // abc|\n -> move right -> abc\n (and not: abc\n|
+ // FED FED| FED )
+ if (startpos == pos && endpos == pos && endpos != par.size()
+ && (par.isNewline(pos - 1)
+ || par.isLineSeparator(pos - 1)
+ || par.isSeparator(pos - 1)))
+ return false;
+
+ bool left = font.isVisibleRightToLeft();
+ bool right;
+ if (pos == par.size())
+ right = par.isRTL(bv_->buffer().params());
+ else
+ right = displayFont(pit, pos).isVisibleRightToLeft();
+
+ return left != right;
}
bool TextMetrics::redoParagraph(pit_type const pit)
{
Paragraph & par = text_->getPar(pit);
- // IMPORTANT NOTE: We pass 'false' explicitely in order to not call
+ // IMPORTANT NOTE: We pass 'false' explicitly in order to not call
// redoParagraph() recursively inside parMetrics.
Dimension old_dim = parMetrics(pit, false).dim();
ParagraphMetrics & pm = par_metrics_[pit];
pm.reset(par);
Buffer & buffer = bv_->buffer();
- BufferParams const & bparams = buffer.params();
main_text_ = (text_ == &buffer.text());
bool changed = false;
- // FIXME This check ought to be done somewhere else. It is the reason
+ // FIXME: This check ought to be done somewhere else. It is the reason
// why text_ is not const. But then, where else to do it?
// Well, how can you end up with either (a) a biblio environment that
// has no InsetBibitem or (b) a biblio environment with more than one
// InsetBibitem? I think the answer is: when paragraphs are merged;
// when layout is set; when material is pasted.
- int const moveCursor = par.checkBiblio(buffer.params().trackChanges);
+ int const moveCursor = par.checkBiblio(buffer);
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
// so better to calculate that once here.
int const right_margin = rightMargin(pm);
+ // iterator pointing to paragraph to resolve macros
+ DocIterator parPos = text_->macrocontextPosition();
+ if (!parPos.empty())
+ parPos.pit() = pit;
+ else {
+ LYXERR(Debug::INFO, "MacroContext not initialised!"
+ << " Going through the buffer again and hope"
+ << " the context is better then.");
+ // FIXME audit updateBuffer calls
+ // This should not be here, but it is not clear yet where else it
+ // should be.
+ bv_->buffer().updateBuffer();
+ parPos = text_->macrocontextPosition();
+ LASSERT(!parPos.empty(), /**/);
+ parPos.pit() = pit;
+ }
+
// redo insets
- // FIXME: We should always use getFont(), see documentation of
- // noFontChange() in Inset.h.
Font const bufferfont = buffer.params().getFont();
- InsetList::const_iterator ii = par.insetlist.begin();
- InsetList::const_iterator iend = par.insetlist.end();
+ InsetList::const_iterator ii = par.insetList().begin();
+ InsetList::const_iterator iend = par.insetList().end();
for (; ii != iend; ++ii) {
- Dimension old_dim = ii->inset->dimension();
+ // FIXME Doesn't this HAVE to be non-empty?
+ // position already initialized?
+ if (!parPos.empty()) {
+ parPos.pos() = ii->pos;
+
+ // A macro template would normally not be visible
+ // by itself. But the tex macro semantics allow
+ // recursion, so we artifically take the context
+ // after the macro template to simulate this.
+ if (ii->inset->lyxCode() == MATHMACRO_CODE)
+ parPos.pos()++;
+ }
+
+ // 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);
- changed |= (old_dim != dim);
+ Font const & font = ii->inset->inheritFont() ?
+ displayFont(pit, ii->pos) : bufferfont;
+ MacroContext mc(&buffer, parPos);
+ MetricsInfo mi(bv_, font.fontInfo(), w, mc);
+ ii->inset->metrics(mi, dim);
+ Dimension const old_dim = pm.insetDimension(ii->inset);
+ if (old_dim != dim) {
+ pm.setInsetDimension(ii->inset, dim);
+ changed = true;
+ }
}
par.setBeginOfBody();
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 {
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);
- boost::tie(dim.asc, dim.des) = rowHeight(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);
row.setDimension(dim);
- computeRowMetrics(pit, row);
- pm.computeRowSignature(row, bparams);
+ 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().wid = 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 (first > 0 && par.isNewline(first - 1)) {
- Dimension dim;
+ Dimension dim = rowHeight(pit, first, first);
dim.wid = rowWidth(right_margin, pit, first, first);
- boost::tie(dim.asc, dim.des) = rowHeight(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);
- computeRowMetrics(pit, row);
- pm.computeRowSignature(row, bparams);
+ int const max_row_width = max(dim_.wid, dim.wid);
+ computeRowMetrics(pit, row, max_row_width);
pm.dim().des += dim.height();
}
return changed;
}
+
void TextMetrics::computeRowMetrics(pit_type const pit,
- Row & row) const
+ Row & row, int width) const
{
- Buffer & buffer = bv_->buffer();
+ row.label_hfill = 0;
+ row.separator = 0;
+
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.
+ //LASSERT(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);
+ bool const is_rtl = text_->isRTL(par);
if (is_rtl)
row.x = rightMargin(pit);
else
- row.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();
+ Layout const & layout = par.layout();
- if (layout->margintype == MARGIN_MANUAL
- && layout->labeltype == LABEL_MANUAL) {
+ if (layout.margintype == MARGIN_MANUAL
+ && layout.labeltype == LABEL_MANUAL) {
/// We might have real hfills in the label part
int nlh = numberOfLabelHfills(par, row);
row.label_hfill = labelFill(pit, row) / double(nlh);
}
+ double hfill = 0;
// are there any hfills in the row?
- int const nh = numberOfHfills(par, row);
-
- if (nh) {
+ if (int const nh = numberOfHfills(par, row)) {
if (w > 0)
- row.hfill = w / nh;
+ 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!
// set x how you need it
int align;
if (par.params().align() == LYX_ALIGN_LAYOUT)
- align = layout->align;
+ align = layout.align;
else
align = par.params().align();
- // Display-style insets should always be on a centred row
- // 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;
+ // handle alignment inside tabular cells
+ Inset const & owner = text_->inset();
+ switch (owner.contentAlignment()) {
+ case LYX_ALIGN_CENTER:
+ case LYX_ALIGN_LEFT:
+ case LYX_ALIGN_RIGHT:
+ if (align == LYX_ALIGN_NONE
+ || align == LYX_ALIGN_BLOCK)
+ align = owner.contentAlignment();
break;
- case Inset::AlignCenter:
- align = LYX_ALIGN_CENTER;
+ default:
+ // unchanged (use align)
break;
- case Inset::Inline:
- case Inset::AlignRight:
- // unchanged (use align)
- break;
- }
}
+ // Display-style insets should always be on a centered row
+ if (Inset const * inset = par.getInset(row.pos())) {
+ switch (inset->display()) {
+ case Inset::AlignLeft:
+ align = LYX_ALIGN_BLOCK;
+ break;
+ case Inset::AlignCenter:
+ align = LYX_ALIGN_CENTER;
+ break;
+ case Inset::Inline:
+ // unchanged (use align)
+ break;
+ case Inset::AlignRight:
+ align = LYX_ALIGN_RIGHT;
+ break;
+ }
+ }
+
+ // Has the user requested we not justify stuff?
+ if (!bv_->buffer().params().justification
+ && align == LYX_ALIGN_BLOCK)
+ align = LYX_ALIGN_LEFT;
+
switch (align) {
case LYX_ALIGN_BLOCK: {
int const ns = numberOfSeparators(par, row);
&& !disp_inset
) {
row.separator = w / ns;
+ //lyxerr << "row.separator " << row.separator << endl;
+ //lyxerr << "ns " << ns << endl;
} else if (is_rtl) {
row.x += w;
}
if (body_pos > 0
&& (body_pos > end || !par.isLineSeparator(body_pos - 1)))
{
- row.x += theFontMetrics(text_->getLabelFont(buffer, par)).
- width(layout->labelsep);
+ row.x += theFontMetrics(text_->labelFont(par)).
+ width(layout.labelsep);
if (body_pos <= end)
row.x += row.label_hfill;
}
}
+
+ 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() != SPACE_CODE ||
+ !ii->inset->isStretchableSpace()))
+ 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);
+ }
}
int TextMetrics::labelFill(pit_type const pit, Row const & row) const
{
- Buffer & buffer = bv_->buffer();
Paragraph const & par = text_->getPar(pit);
pos_type last = par.beginOfBody();
- BOOST_ASSERT(last > 0);
+ LASSERT(last > 0, /**/);
// -1 because a label ends with a space that is in the label
--last;
return 0;
FontMetrics const & fm
- = theFontMetrics(text_->getLabelFont(buffer, par));
+ = theFontMetrics(text_->labelFont(par));
return max(0, fm.width(label) - w);
}
-namespace {
-
+#if 0
+// Not used, see TextMetrics::rowBreakPoint.
// 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;
}
-
-};
+#endif
int TextMetrics::labelEnd(pit_type const pit) const
{
// labelEnd is only needed if the layout fills a flushleft label.
- if (text_->getPar(pit).layout()->margintype != MARGIN_MANUAL)
+ 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);
}
+namespace {
-pit_type TextMetrics::rowBreakPoint(int width, pit_type const pit,
- pit_type pos) const
+/**
+ * Calling Text::getFont is slow. While rebreaking we scan a
+ * paragraph from left to right calling getFont for every char. This
+ * simple class address this problem by hidding an optimization trick
+ * (not mine btw -AB): the font is reused in the whole font span. The
+ * class handles transparently the "hidden" (not part of the fontlist)
+ * label font (as getFont does).
+ **/
+class FontIterator
+{
+public:
+ ///
+ FontIterator(TextMetrics const & tm,
+ Paragraph const & par, pit_type pit, pos_type pos)
+ : tm_(tm), par_(par), pit_(pit), pos_(pos),
+ font_(tm.displayFont(pit, pos)),
+ endspan_(par.fontSpan(pos).last),
+ bodypos_(par.beginOfBody())
+ {}
+
+ ///
+ Font const & operator*() const { return font_; }
+
+ ///
+ FontIterator & operator++()
+ {
+ ++pos_;
+ if (pos_ > endspan_ || pos_ == bodypos_) {
+ font_ = tm_.displayFont(pit_, pos_);
+ endspan_ = par_.fontSpan(pos_).last;
+ }
+ return *this;
+ }
+
+ ///
+ Font * operator->() { return &font_; }
+
+private:
+ ///
+ TextMetrics const & tm_;
+ ///
+ Paragraph const & par_;
+ ///
+ pit_type pit_;
+ ///
+ pos_type pos_;
+ ///
+ Font font_;
+ ///
+ pos_type endspan_;
+ ///
+ pos_type bodypos_;
+};
+
+} // anon namespace
+
+pos_type TextMetrics::rowBreakPoint(int width, pit_type const pit,
+ pos_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();
if (pos == end || width < 0)
return end;
- LayoutPtr const & layout = par.layout();
+ Layout const & layout = par.layout();
- if (layout->margintype == MARGIN_RIGHT_ADDRESS_BOX)
+#if 0
+ //FIXME: As long as leftMargin() is not correctly implemented for
+ // MARGIN_RIGHT_ADDRESS_BOX, we should also not do this here.
+ // Otherwise, long rows will be painted off the screen.
+ if (layout.margintype == MARGIN_RIGHT_ADDRESS_BOX)
return addressBreakPoint(pos, par);
+#endif
pos_type const body_pos = par.beginOfBody();
+ // check for possible inline completion
+ DocIterator const & inlineCompletionPos = bv_->inlineCompletionPos();
+ pos_type inlineCompletionLPos = -1;
+ if (inlineCompletionPos.inTexted()
+ && inlineCompletionPos.text() == text_
+ && inlineCompletionPos.pit() == pit) {
+ // draw logically behind the previous character
+ inlineCompletionLPos = inlineCompletionPos.pos() - 1;
+ }
// Now we iterate through until we reach the right margin
// or the end of the par, then choose the possible break
// 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);
+ docstring const s(1, char_type(0x00B6));
+ Font f;
+ int par_marker_width = theFontMetrics(f).width(s);
+
+ FontIterator fi = FontIterator(*this, par, pit, pos);
pos_type point = end;
pos_type i = pos;
+
+ ParagraphList const & pars_ = text_->paragraphs();
+ bool const draw_par_end_marker = lyxrc.paragraph_markers
+ && size_type(pit + 1) < pars_.size();
+
for ( ; i < end; ++i, ++fi) {
int thiswidth = pm.singleWidth(i, *fi);
+
+ if (draw_par_end_marker && i == end - 1)
+ // enlarge the last character to hold the end-of-par marker
+ thiswidth += par_marker_width;
+
+ // add inline completion width
+ if (inlineCompletionLPos == i) {
+ docstring const & completion = bv_->inlineCompletion();
+ if (completion.length() > 0)
+ thiswidth += theFontMetrics(*fi).width(completion);
+ }
// add the auto-hfill from label end to the body
if (body_pos && i == body_pos) {
FontMetrics const & fm = theFontMetrics(
- text_->getLabelFont(buffer, par));
- int add = fm.width(layout->labelsep);
+ text_->labelFont(par));
+ int add = fm.width(layout.labelsep);
if (par.isLineSeparator(i - 1))
add -= singleWidth(pit, i - 1);
- add = std::max(add, label_end - x);
+ add = max(add, label_end - x);
thiswidth += add;
}
point = i;
else
point = i + 1;
-
}
// exit on last registered breakpoint:
break;
point = i + 1;
break;
}
+ Inset const * inset = 0;
// Break before...
if (i + 1 < end) {
- if (par.isInset(i + 1) && par.getInset(i + 1)->display()) {
+ if ((inset = par.getInset(i + 1)) && inset->display()) {
point = i + 1;
break;
}
// ...and after.
- if (par.isInset(i) && par.getInset(i)->display()) {
+ if ((inset = par.getInset(i)) && inset->display()) {
point = i + 1;
break;
}
}
- if (!par.isInset(i) || par.getInset(i)->isChar()) {
+ inset = par.getInset(i);
+ if (!inset || inset->isChar()) {
// some insets are line separators too
if (par.isLineSeparator(i)) {
// register breakpoint:
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
ParagraphMetrics const & pm = par_metrics_[pit];
Paragraph const & par = text_->getPar(pit);
- int w = text_->leftMargin(buffer, max_width_, pit, first);
+ int w = leftMargin(max_width_, pit, first);
int label_end = labelEnd(pit);
+ // check for possible inline completion
+ DocIterator const & inlineCompletionPos = bv_->inlineCompletionPos();
+ pos_type inlineCompletionLPos = -1;
+ if (inlineCompletionPos.inTexted()
+ && inlineCompletionPos.text() == text_
+ && inlineCompletionPos.pit() == pit) {
+ // draw logically behind the previous character
+ inlineCompletionLPos = inlineCompletionPos.pos() - 1;
+ }
+
pos_type const body_pos = par.beginOfBody();
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(
- text_->getLabelFont(buffer, par));
- w += fm.width(par.layout()->labelsep);
+ text_->labelFont(par));
+ w += fm.width(par.layout().labelsep);
if (par.isLineSeparator(i - 1))
w -= singleWidth(pit, i - 1);
w = max(w, label_end);
}
- w += pm.singleWidth(i, *fi);
+
+ // a line separator at the end of a line (but not at the end of a
+ // paragraph) will not be drawn and should therefore not count for
+ // the row width.
+ if (!par.isLineSeparator(i) || i != end - 1 || end == par.size())
+ w += pm.singleWidth(i, *fi);
+
+ // add inline completion width
+ if (inlineCompletionLPos == i) {
+ docstring const & completion = bv_->inlineCompletion();
+ if (completion.length() > 0)
+ w += theFontMetrics(*fi).width(completion);
+ }
+ }
+ }
+
+ // count the paragraph end marker.
+ if (end == par.size() && lyxrc.paragraph_markers) {
+ ParagraphList const & pars_ = text_->paragraphs();
+ if (size_type(pit + 1) < pars_.size()) {
+ // enlarge the last character to hold the
+ // end-of-par marker
+ docstring const s(1, char_type(0x00B6));
+ Font f;
+ w += theFontMetrics(f).width(s);
}
}
if (body_pos > 0 && body_pos >= end) {
FontMetrics const & fm = theFontMetrics(
- text_->getLabelFont(buffer, par));
- w += fm.width(par.layout()->labelsep);
+ text_->labelFont(par));
+ w += fm.width(par.layout().labelsep);
if (end > 0 && par.isLineSeparator(end - 1))
w -= singleWidth(pit, end - 1);
w = max(w, label_end);
}
-boost::tuple<int, int> TextMetrics::rowHeight(pit_type const pit, pos_type const first,
- pos_type const end) const
+Dimension TextMetrics::rowHeight(pit_type const pit, pos_type const first,
+ pos_type const end, bool topBottomSpace) const
{
Paragraph const & par = text_->getPar(pit);
// get the maximum ascent and the maximum descent
// ok, let us initialize the maxasc and maxdesc value.
// Only the fontsize count. The other properties
// are taken from the layoutfont. Nicer on the screen :)
- LayoutPtr const & layout = par.layout();
+ Layout const & layout = par.layout();
// as max get the first character of this row then it can
// increase but not decrease the height. Just some point to
// 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, first);
- Font::FONT_SIZE const tmpsize = font.size();
- font = text_->getLayoutFont(buffer, pit);
- Font::FONT_SIZE const size = font.size();
- font.setSize(tmpsize);
+ Font font = displayFont(pit, first);
+ FontSize const tmpsize = font.fontInfo().size();
+ font.fontInfo() = text_->layoutFont(pit);
+ FontSize const size = font.fontInfo().size();
+ font.fontInfo().setSize(tmpsize);
- Font labelfont = text_->getLabelFont(buffer, par);
+ FontInfo labelfont = text_->labelFont(par);
FontMetrics const & labelfont_metrics = theFontMetrics(labelfont);
FontMetrics const & fontmetrics = theFontMetrics(font);
// these are minimum values
- double const spacing_val = layout->spacing.getValue()
- * text_->spacing(buffer, par);
+ double const spacing_val = layout.spacing.getValue()
+ * text_->spacing(par);
//lyxerr << "spacing_val = " << spacing_val << endl;
int maxasc = int(fontmetrics.maxAscent() * spacing_val);
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 >= first && ii->pos < end) {
- maxasc = max(maxasc, ii->inset->ascent());
- maxdesc = max(maxdesc, ii->inset->descent());
+ Dimension const & dim = pm.insetDimension(ii->inset);
+ maxasc = max(maxasc, dim.ascent());
+ maxdesc = max(maxdesc, dim.descent());
}
}
// cosmetic error for now.
int labeladdon = 0;
- Font::FONT_SIZE maxsize =
+ FontSize maxsize =
par.highestFontInRange(first, end, size);
- if (maxsize > font.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());
++maxdesc;
ParagraphList const & pars = text_->paragraphs();
+ Inset const & inset = text_->inset();
// is it a top line?
- if (first == 0) {
+ if (first == 0 && topBottomSpace) {
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
- && pit > 0
- && ((layout->isParagraph() && par.getDepth() == 0)
- || (pars[pit - 1].layout()->isParagraph()
- && pars[pit - 1].getDepth() == 0)))
- {
- maxasc += bufparams.getDefSkip().inPixels(*bv_);
+ if (bufparams.paragraph_separation == BufferParams::ParagraphSkipSeparation
+ && !inset.getLayout().parbreakIsNewline()
+ && !par.layout().parbreak_is_newline
+ && pit > 0
+ && ((layout.isParagraph() && par.getDepth() == 0)
+ || (pars[pit - 1].layout().isParagraph()
+ && pars[pit - 1].getDepth() == 0))) {
+ maxasc += bufparams.getDefSkip().inPixels(*bv_);
}
if (par.params().startOfAppendix())
// This is special code for the chapter, since the label of this
// layout is printed in an extra row
- if (layout->counter == "chapter"
+ if (layout.counter == "chapter"
&& !par.params().labelString().empty()) {
labeladdon = int(labelfont_metrics.maxHeight()
- * layout->spacing.getValue()
- * text_->spacing(buffer, par));
+ * layout.spacing.getValue()
+ * text_->spacing(par));
}
// special code for the top label
- if ((layout->labeltype == LABEL_TOP_ENVIRONMENT
- || layout->labeltype == LABEL_BIBLIO
- || layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT)
- && isFirstInSequence(pit, pars)
- && !par.getLabelstring().empty())
+ if ((layout.labeltype == LABEL_TOP_ENVIRONMENT
+ || layout.labeltype == LABEL_BIBLIO
+ || layout.labeltype == LABEL_CENTERED_TOP_ENVIRONMENT)
+ && text_->isFirstInSequence(pit)
+ && !par.labelString().empty())
{
labeladdon = int(
labelfont_metrics.maxHeight()
- * layout->spacing.getValue()
- * text_->spacing(buffer, par)
- + (layout->topsep + layout->labelbottomsep) * dh);
+ * layout.spacing.getValue()
+ * text_->spacing(par)
+ + (layout.topsep + layout.labelbottomsep) * dh);
}
// Add the layout spaces, for example before and after
// a section, or between the items of a itemize or enumerate
// environment.
- pit_type prev = depthHook(pit, pars, par.getDepth());
+ pit_type prev = text_->depthHook(pit, par.getDepth());
Paragraph const & prevpar = pars[prev];
if (prev != pit
&& prevpar.layout() == layout
&& prevpar.getDepth() == par.getDepth()
&& prevpar.getLabelWidthString()
== par.getLabelWidthString()) {
- layoutasc = layout->itemsep * dh;
+ layoutasc = layout.itemsep * dh;
} else if (pit != 0 || first != 0) {
- if (layout->topsep > 0)
- layoutasc = layout->topsep * dh;
+ if (layout.topsep > 0)
+ layoutasc = layout.topsep * dh;
}
- prev = outerHook(pit, pars);
+ prev = text_->outerHook(pit);
if (prev != pit_type(pars.size())) {
- maxasc += int(pars[prev].layout()->parsep * dh);
+ maxasc += int(pars[prev].layout().parsep * dh);
} else if (pit != 0) {
Paragraph const & prevpar = pars[pit - 1];
if (prevpar.getDepth() != 0 ||
prevpar.layout() == layout) {
- maxasc += int(layout->parsep * dh);
+ maxasc += int(layout.parsep * dh);
}
}
}
// is it a bottom line?
- if (end >= par.size()) {
+ if (end >= par.size() && topBottomSpace) {
// add the layout spaces, for example before and after
// a section, or between the items of a itemize or enumerate
// environment
double unusual = 0;
if (pars[cpit].getDepth() > pars[nextpit].getDepth()) {
- usual = pars[cpit].layout()->bottomsep * dh;
- cpit = depthHook(cpit, pars, pars[nextpit].getDepth());
+ usual = pars[cpit].layout().bottomsep * dh;
+ cpit = text_->depthHook(cpit, pars[nextpit].getDepth());
if (pars[cpit].layout() != pars[nextpit].layout()
|| pars[nextpit].getLabelWidthString() != pars[cpit].getLabelWidthString())
{
- unusual = pars[cpit].layout()->bottomsep * dh;
+ unusual = pars[cpit].layout().bottomsep * dh;
}
layoutdesc = max(unusual, usual);
} else if (pars[cpit].getDepth() == pars[nextpit].getDepth()) {
if (pars[cpit].layout() != pars[nextpit].layout()
|| pars[nextpit].getLabelWidthString() != pars[cpit].getLabelWidthString())
- layoutdesc = int(pars[cpit].layout()->bottomsep * dh);
+ layoutdesc = int(pars[cpit].layout().bottomsep * dh);
}
}
}
// following code in another method specially tailored for the
// main Text. The following test is thus bogus.
// Top and bottom margin of the document (only at top-level)
- if (main_text_) {
+ if (main_text_ && topBottomSpace) {
if (pit == 0 && first == 0)
maxasc += 20;
if (pit + 1 == pit_type(pars.size()) &&
maxdesc += 20;
}
- return boost::make_tuple(maxasc + labeladdon, 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;
Paragraph const & par = text_->getPar(pit);
Bidi bidi;
pos_type vc = row.pos();
pos_type end = row.endpos();
pos_type c = 0;
- LayoutPtr const & layout = par.layout();
+ Layout const & layout = par.layout();
bool left_side = false;
return 0;
}
+ // This (rtl_support test) is not needed, but gives
+ // some speedup if rtl_support == false
+ bool const lastrow = lyxrc.rtl_support && row.endpos() == par.size();
+
+ // If lastrow is false, we don't need to compute
+ // the value of rtl.
+ bool const rtl_on_lastrow = lastrow ? text_->isRTL(par) : false;
+
+ // if the first character is a separator, and we are in RTL
+ // text, this character will not be painted on screen
+ // and thus we should not count it and skip to the next. Only
+ // in freespacing paragraphs, this first character is painted.
+ if (!par.isFreeSpacing() && par.isSeparator(bidi.vis2log(vc)))
+ ++vc;
+
while (vc < end && tmpx <= x) {
c = bidi.vis2log(vc);
last_tmpx = tmpx;
if (body_pos > 0 && c == body_pos - 1) {
FontMetrics const & fm = theFontMetrics(
- text_->getLabelFont(buffer, par));
- tmpx += row.label_hfill + fm.width(layout->labelsep);
+ text_->labelFont(par));
+ 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 += row.hfill;
- else
- tmpx += row.label_hfill;
- } else if (par.isSeparator(c)) {
- tmpx += singleWidth(pit, c);
- if (c >= body_pos)
+ tmpx += singleWidth(pit, c);
+ if (par.isSeparator(c) && c >= body_pos)
tmpx += row.separator;
- } else {
- tmpx += singleWidth(pit, c);
- }
++vc;
}
left_side = true;
}
- BOOST_ASSERT(vc <= end); // This shouldn't happen.
+ LASSERT(vc <= end, /**/); // This shouldn't happen.
boundary = false;
- // This (rtl_support test) is not needed, but gives
- // some speedup if rtl_support == false
- bool const lastrow = lyxrc.rtl_support && row.endpos() == par.size();
- // If lastrow is false, we don't need to compute
- // the value of rtl.
- bool const rtl = lastrow ? text_->isRTL(buffer, par) : false;
if (lastrow &&
- ((rtl && left_side && vc == row.pos() && x < tmpx - 5) ||
- (!rtl && !left_side && vc == end && x > tmpx + 5)))
- c = end;
- else if (vc == row.pos()) {
+ ((rtl_on_lastrow && left_side && vc == row.pos() && x < tmpx - 5) ||
+ (!rtl_on_lastrow && !left_side && vc == end && x > tmpx + 5))) {
+ if (!par.isNewline(end - 1))
+ c = end;
+ } else if (vc == row.pos()) {
c = bidi.vis2log(vc);
if (bidi.level(c) % 2 == 1)
++c;
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());
- BOOST_ASSERT(row < int(pm.rows().size()));
+ // 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);
+
+ LASSERT(row < int(pm.rows().size()), /**/);
bool bound = false;
Row const & r = pm.rows()[row];
return r.pos() + getColumnNearX(pit, r, x, bound);
}
-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() + par_metrics_[pit].ascent());
+}
+
+
+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() - par_metrics_[pit].descent());
+}
+
+// y is screen coordinate
+pit_type TextMetrics::getPitNearY(int y)
+{
+ LASSERT(!text_->paragraphs().empty(), return -1);
+ LASSERT(!par_metrics_.empty(), return -1);
+ 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::getPitAndRowNearY(int & y, pit_type & pit,
+ bool assert_in_view, bool up)
+{
+ ParagraphMetrics const & pm = par_metrics_[pit];
+
+ int yy = pm.position() - pm.ascent();
+ LASSERT(!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;
+
+ if (assert_in_view) {
+ if (!up && yy + rit->height() > y) {
+ if (rit != pm.rows().begin()) {
+ y = yy;
+ --rit;
+ } else if (pit != 0) {
+ --pit;
+ newParMetricsUp();
+ ParagraphMetrics const & pm2 = par_metrics_[pit];
+ rit = pm2.rows().end();
+ --rit;
+ y = yy;
+ }
+ } else if (up && yy != y) {
+ if (rit != rlast) {
+ y = yy + rit->height();
+ ++rit;
+ } else if (pit < int(text_->paragraphs().size()) - 1) {
+ ++pit;
+ newParMetricsDown();
+ ParagraphMetrics const & pm2 = par_metrics_[pit];
+ rit = pm2.rows().begin();
+ y = pm2.position();
+ }
+ }
+ }
+ 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,
+ bool assert_in_view, bool up)
+{
+ if (lyxerr.debugging(Debug::WORKAREA)) {
+ LYXERR0("TextMetrics::editXY(cur, " << x << ", " << y << ")");
+ cur.bv().coordCache().dump();
+ }
+ pit_type pit = getPitNearY(y);
+ LASSERT(pit != -1, return 0);
+
+ int yy = y; // is modified by getPitAndRowNearY
+ Row const & row = getPitAndRowNearY(yy, pit, assert_in_view, up);
+
+ bool bound = false; // is modified by getColumnNearX
+ 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, yy);
+ //lyxerr << "inset " << inset << " hit at x: " << x << " y: " << y << endl;
+ if (!inset) {
+ // Either we deconst editXY or better we move current_font
+ // and real_current_font to Cursor
+ // FIXME: what is needed now that current_font and real_current_font
+ // are transferred?
+ cur.setCurrentFont();
+ return 0;
+ }
+
+ ParagraphList const & pars = text_->paragraphs();
+ Inset const * inset_before = pos ? pars[pit].getInset(pos - 1) : 0;
+
+ // This should be just before or just behind the
+ // cursor position set above.
+ LASSERT(inset == inset_before
+ || inset == pars[pit].getInset(pos), return 0);
+
+ // Make sure the cursor points to the position before
+ // this inset.
+ if (inset == inset_before) {
+ --cur.pos();
+ cur.boundary(false);
+ }
+
+ // Try to descend recursively inside the inset.
+ inset = inset->editXY(cur, x, yy);
+
+ if (cur.top().text() == text_)
+ cur.setCurrentFont();
+ return inset;
+}
+
+
+void TextMetrics::setCursorFromCoordinates(Cursor & cur, int const x, int const y)
+{
+ LASSERT(text_ == cur.text(), /**/);
+ pit_type pit = getPitNearY(y);
+ LASSERT(pit != -1, return);
+
+ 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;
+ LASSERT(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);
+ LASSERT(pit != -1, return 0);
+
+ 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
{
+ LASSERT(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(par) ? row_pos : end;
+ else if (ppos > row_pos && ppos >= end)
+ //FIXME: this code is never reached!
+ // (see http://www.lyx.org/trac/changeset/8251)
+ // 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;
+
+ // check for possible inline completion in this row
+ DocIterator const & inlineCompletionPos = bv_->inlineCompletionPos();
+ pos_type inlineCompletionVPos = -1;
+ if (inlineCompletionPos.inTexted()
+ && inlineCompletionPos.text() == text_
+ && inlineCompletionPos.pit() == pit
+ && inlineCompletionPos.pos() - 1 >= row_pos
+ && inlineCompletionPos.pos() - 1 < end) {
+ // draw logically behind the previous character
+ inlineCompletionVPos = bidi.log2vis(inlineCompletionPos.pos() - 1);
+ }
+
+ // 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);
+
+ if (lyxrc.paragraph_markers && text_->isRTL(par)) {
+ ParagraphList const & pars_ = text_->paragraphs();
+ if (size_type(pit + 1) < pars_.size()) {
+ FontInfo f;
+ docstring const s = docstring(1, char_type(0x00B6));
+ x += theFontMetrics(f).width(s);
+ }
+ }
+
+ // Inline completion RTL special case row_pos == cursor_pos:
+ // "__|b" => cursor_pos is right of __
+ if (row_pos == inlineCompletionVPos && row_pos == cursor_vpos) {
+ font = displayFont(pit, row_pos + 1);
+ docstring const & completion = bv_->inlineCompletion();
+ if (font.isRightToLeft() && completion.length() > 0)
+ x += theFontMetrics(font.fontInfo()).width(completion);
+ }
+
+ 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_->labelFont(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 = displayFont(pit, pos);
+ }
+
+ x += pm.singleWidth(pos, font);
+
+ // Inline completion RTL case:
+ // "a__|b", __ of b => non-boundary a-pos is right of __
+ if (vpos + 1 == inlineCompletionVPos
+ && (vpos + 1 < cursor_vpos || !boundary_correction)) {
+ font = displayFont(pit, vpos + 1);
+ docstring const & completion = bv_->inlineCompletion();
+ if (font.isRightToLeft() && completion.length() > 0)
+ x += theFontMetrics(font.fontInfo()).width(completion);
+ }
+
+ // Inline completion LTR case:
+ // "b|__a", __ of b => non-boundary a-pos is in front of __
+ if (vpos == inlineCompletionVPos
+ && (vpos + 1 < cursor_vpos || boundary_correction)) {
+ font = displayFont(pit, vpos);
+ docstring const & completion = bv_->inlineCompletion();
+ if (!font.isRightToLeft() && completion.length() > 0)
+ x += theFontMetrics(font.fontInfo()).width(completion);
+ }
+
+ 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 << 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;
+}
+
+
+// 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)
+{
+ LASSERT(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)
+{
+ LASSERT(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)
+{
+ LASSERT(text_ == cur.text(), /**/);
+ if (cur.lastpos() == 0) {
+ // Paragraph is empty, so we just go forward
+ text_->cursorForward(cur);
+ } else {
+ cur.resetAnchor();
+ cur.setSelection(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);
+ cur.checkBufferStructure();
+ }
+}
+
+
+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
+{
+ LASSERT(pit >= 0, /**/);
+ LASSERT(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();
+
+ LASSERT(pit >= 0, /**/);
+ LASSERT(pit < int(pars.size()), /**/);
+ Paragraph const & par = pars[pit];
+ LASSERT(pos >= 0, /**/);
+ LASSERT(pos <= par.size(), /**/);
+ Buffer const & buffer = bv_->buffer();
+ //lyxerr << "TextMetrics::leftMargin: pit: " << pit << " pos: " << pos << endl;
+ DocumentClass const & tclass = buffer.params().documentClass();
+ Layout const & layout = par.layout();
+
+ docstring parindent = layout.parindent;
+
+ int l_margin = 0;
+
+ if (text_->isMainText())
+ l_margin += bv_->leftMargin();
+
+ l_margin += theFontMetrics(buffer.params().getFont()).signedWidth(
+ tclass.leftmargin());
+
+ if (par.getDepth() != 0) {
+ // find the next level paragraph
+ pit_type newpar = text_->outerHook(pit);
+ if (newpar != pit_type(pars.size())) {
+ if (pars[newpar].layout().isEnvironment()) {
+ l_margin = leftMargin(max_width, newpar);
+ }
+ if (tclass.isDefaultLayout(par.layout())
+ || tclass.isPlainLayout(par.layout())) {
+ 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 (tclass.isDefaultLayout(par.layout())
+ && pit > 0 && pars[pit - 1].layout().nextnoindent)
+ parindent.erase();
+
+ FontInfo const labelfont = text_->labelFont(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.labelString().empty()) {
+ l_margin += labelfont_metrics.signedWidth(layout.labelindent);
+ l_margin += labelfont_metrics.width(par.labelString());
+ 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 we are at position 0, we are never in the body
+ if (pos > 0 && 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
+ && !text_->isFirstInSequence(pit))) {
+ l_margin += labelfont_metrics.signedWidth(layout.leftmargin);
+ } else if (layout.labeltype != LABEL_TOP_ENVIRONMENT
+ && layout.labeltype != LABEL_BIBLIO
+ && layout.labeltype !=
+ LABEL_CENTERED_TOP_ENVIRONMENT) {
+ l_margin += labelfont_metrics.signedWidth(layout.labelindent);
+ l_margin += labelfont_metrics.width(layout.labelsep);
+ l_margin += labelfont_metrics.width(par.labelString());
+ }
+ break;
+
+ case MARGIN_RIGHT_ADDRESS_BOX: {
+#if 0
+ // The left margin depends on the widest row in this paragraph.
+ // This code is wrong because it depends on the rows, but at the
+ // same time this function is used in redoParagraph to construct
+ // the rows.
+ ParagraphMetrics const & pm = par_metrics_[pit];
+ RowList::const_iterator rit = pm.rows().begin();
+ RowList::const_iterator end = pm.rows().end();
+ int minfill = max_width;
+ for ( ; rit != end; ++rit)
+ if (rit->fill() < minfill)
+ minfill = rit->fill();
+ l_margin += theFontMetrics(buffer.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
+ && !text_->isFirstInSequence(pit)))
+ && (align == LYX_ALIGN_BLOCK || align == LYX_ALIGN_LEFT)
+ && !par.params().noindent()
+ // in some insets, paragraphs are never indented
+ && !text_->inset().neverIndent()
+ // display style insets are always centered, omit indentation
+ && !(!par.empty()
+ && par.isInset(pos)
+ && par.getInset(pos)->display())
+ && (!(tclass.isDefaultLayout(par.layout())
+ || tclass.isPlainLayout(par.layout()))
+ || buffer.params().paragraph_separation
+ == BufferParams::ParagraphIndentSeparation)
+ )
+ {
+ // use the parindent of the layout when the default indentation is
+ // used otherwise use the indentation set in the document settings
+ if (buffer.params().getIndentation().asLyXCommand() == "default")
+ l_margin += theFontMetrics(
+ buffer.params().getFont()).signedWidth(parindent);
+ else
+ l_margin += buffer.params().getIndentation().inPixels(*bv_);
+ }
+
+ 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, displayFont(pit, pos));
}
-// only used for inset right now. should also be used for main text
void TextMetrics::draw(PainterInfo & pi, int x, int y) const
{
if (par_metrics_.empty())
return;
- ParMetricsCache::const_iterator it = par_metrics_.begin();
- ParMetricsCache::const_iterator const end = par_metrics_.end();
+
+ 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 != end; ++it) {
+ for (; it != pm_end; ++it) {
ParagraphMetrics const & pmi = it->second;
y += pmi.ascent();
- drawParagraph(pi, it->first, x, y, true);
+ 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,
- bool repaintAll) const
+void TextMetrics::drawParagraph(PainterInfo & pi, pit_type pit, int x, int y) const
{
-// lyxerr << " paintPar: pit: " << pit << " at y: " << y << endl;
- int const ww = bv_->workHeight();
-
- bv_->coordCache().parPos()[text_][pit] = Point(x, y);
-
+ BufferParams const & bparams = bv_->buffer().params();
ParagraphMetrics const & pm = par_metrics_[pit];
if (pm.rows().empty())
return;
- RowList::const_iterator const rb = pm.rows().begin();
- RowList::const_iterator const re = pm.rows().end();
-
Bidi bidi;
+ bool const original_drawing_state = pi.pain.isDrawingEnabled();
+ int const ww = bv_->workHeight();
+ size_t const nrows = pm.rows().size();
+
+ Cursor const & cur = bv_->cursor();
+ DocIterator sel_beg = cur.selectionBegin();
+ DocIterator sel_end = cur.selectionEnd();
+ bool selection = cur.selection()
+ // This is our text.
+ && cur.text() == text_
+ // if the anchor is outside, this is not our selection
+ && cur.normalAnchor().text() == text_
+ && pit >= sel_beg.pit() && pit <= sel_end.pit();
+
+ // We store the begin and end pos of the selection relative to this par
+ DocIterator sel_beg_par = cur.selectionBegin();
+ DocIterator sel_end_par = cur.selectionEnd();
+
+ // We care only about visible selection.
+ if (selection) {
+ if (pit != sel_beg.pit()) {
+ sel_beg_par.pit() = pit;
+ sel_beg_par.pos() = 0;
+ }
+ if (pit != sel_end.pit()) {
+ sel_end_par.pit() = pit;
+ sel_end_par.pos() = sel_end_par.lastpos();
+ }
+ }
+
+ 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);
+
+ if (selection)
+ row.setSelectionAndMargins(sel_beg_par, sel_end_par);
+ else
+ row.setSelection(-1, -1);
+
+ // The row knows nothing about the paragraph, so we have to check
+ // whether this row is the first or last and update the margins.
+ if (row.selection()) {
+ if (row.sel_beg == 0)
+ row.begin_margin_sel = sel_beg.pit() < pit;
+ if (row.sel_end == sel_end_par.lastpos())
+ row.end_margin_sel = sel_end.pit() > pit;
+ }
- y -= rb->ascent();
- for (RowList::const_iterator rit = rb; rit != re; ++rit) {
- y += rit->ascent();
// Row signature; has row changed since last paint?
- bool row_has_changed = rit->changed();
-
- // Paint the row if a full repaint has been requested or it has
- // changed.
- if (repaintAll || row_has_changed) {
- bool const inside = (y + rit->descent() >= 0
- && y - rit->ascent() < ww);
- // it is not needed to draw on screen if we are not inside.
- pi.pain.setDrawingEnabled(inside);
- RowPainter rp(pi, *text_, pit, *rit, bidi, x, y);
- // Clear background of this row
- // (if paragraph background was not cleared)
- if (!repaintAll && row_has_changed)
- pi.pain.fillRectangle(x, y - rit->ascent(),
- width(), rit->height(),
- text_->backgroundColor());
-
- // Instrumentation for testing row cache (see also
- // 12 lines lower):
- if (lyxerr.debugging(Debug::PAINTING)) {
- if (text_->isMainText(bv_->buffer()))
- LYXERR(Debug::PAINTING) << "#";
- else
- LYXERR(Debug::PAINTING) << "[" <<
- repaintAll << row_has_changed << "]";
- }
- rp.paintAppendix();
- rp.paintDepthBar();
- rp.paintChangeBar();
- if (rit == rb)
- rp.paintFirst();
- rp.paintText();
- if (rit + 1 == re)
- rp.paintLast();
+ row.setCrc(pm.computeRowSignature(row, bparams));
+ bool row_has_changed = row.changed();
+
+ // Take this opportunity to spellcheck the row contents.
+ if (row_has_changed && lyxrc.spellcheck_continuously) {
+ text_->getPar(pit).spellCheck();
+ }
+
+ // 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);
+ }
+
+ // Instrumentation for testing row cache (see also
+ // 12 lines lower):
+ if (lyxerr.debugging(Debug::PAINTING) && inside
+ && (row.selection() || pi.full_repaint || row_has_changed)) {
+ string const foreword = text_->isMainText() ?
+ "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);
}
- y += rit->descent();
+
+ // 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.paintSelection();
+ rp.paintAppendix();
+ rp.paintDepthBar();
+ rp.paintChangeBar();
+ bool const is_rtl = text_->isRTL(text_->getPar(pit));
+ if (i == 0 && !is_rtl)
+ rp.paintFirst();
+ if (i == nrows - 1 && is_rtl)
+ rp.paintLast();
+ rp.paintText();
+ if (i == nrows - 1 && !is_rtl)
+ rp.paintLast();
+ if (i == 0 && is_rtl)
+ rp.paintFirst();
+ y += row.descent();
+
+ // Restore full_repaint status.
+ pi.full_repaint = tmp;
}
// Re-enable screen drawing for future use of the painter.
- pi.pain.setDrawingEnabled(true);
+ pi.pain.setDrawingEnabled(original_drawing_state);
+
+ //LYXERR(Debug::PAINTING, ".");
+}
+
+
+void TextMetrics::completionPosAndDim(Cursor const & cur, int & x, int & y,
+ Dimension & dim) const
+{
+ Cursor const & bvcur = cur.bv().cursor();
+
+ // get word in front of cursor
+ docstring word = text_->previousWord(bvcur.top());
+ DocIterator wordStart = bvcur;
+ wordStart.pos() -= word.length();
+
+ // get position on screen of the word start and end
+ //FIXME: Is it necessary to explicitly set this to false?
+ wordStart.boundary(false);
+ Point lxy = cur.bv().getPos(wordStart);
+ Point rxy = cur.bv().getPos(bvcur);
+
+ // calculate dimensions of the word
+ dim = rowHeight(bvcur.pit(), wordStart.pos(), bvcur.pos(), false);
+ dim.wid = abs(rxy.x_ - lxy.x_);
+
+ // calculate position of word
+ y = lxy.y_;
+ x = min(rxy.x_, lxy.x_);
- LYXERR(Debug::PAINTING) << "." << endl;
+ //lyxerr << "wid=" << dim.width() << " x=" << x << " y=" << y << " lxy.x_=" << lxy.x_ << " rxy.x_=" << rxy.x_ << " word=" << word << std::endl;
+ //lyxerr << " wordstart=" << wordStart << " bvcur=" << bvcur << " cur=" << cur << std::endl;
}
-//int Text::pos2x(pit_type pit, pos_type pos) const
+//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