#include "TextMetrics.h"
+#include "Bidi.h"
#include "Buffer.h"
#include "buffer_funcs.h"
#include "BufferParams.h"
#include "BufferView.h"
-#include "bufferview_funcs.h"
#include "Color.h"
-#include "CoordCache.h"
#include "CutAndPaste.h"
#include "debug.h"
#include "FontIterator.h"
#include "FuncRequest.h"
+#include "InsetList.h"
+#include "Layout.h"
#include "Length.h"
#include "LyXRC.h"
#include "MetricsInfo.h"
#include "ParIterator.h"
#include "rowpainter.h"
#include "Text.h"
-#include "Undo.h"
#include "VSpace.h"
#include "frontends/FontMetrics.h"
#include <boost/current_function.hpp>
+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);
}
+
+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) {
redoParagraph(pit);
}
-bool TextMetrics::metrics(MetricsInfo & mi, Dimension & dim)
+int TextMetrics::parPosition(pit_type pit) const
+{
+ if (pit < par_metrics_.begin()->first)
+ return -1000000;
+ else 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;
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
bool TextMetrics::isRTL(CursorSlice const & sl, bool boundary) const
{
- if (!lyxrc.rtl_support && !sl.text())
+ if (!lyxrc.rtl_support || !sl.text())
return false;
int correction = 0;
bool left = getDisplayFont(pit, pos - 1).isVisibleRightToLeft();
bool right;
if (pos == par.size())
- right = par.isRightToLeftPar(bv_->buffer().params());
+ right = par.isRTL(bv_->buffer().params());
else
right = getDisplayFont(pit, pos).isVisibleRightToLeft();
return left != right;
bool left = font.isVisibleRightToLeft();
bool right;
if (pos == par.size())
- right = par.isRightToLeftPar(bv_->buffer().params());
+ right = par.isRTL(bv_->buffer().params());
else
right = getDisplayFont(pit, pos).isVisibleRightToLeft();
return left != right;
// 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();
Dimension dim;
int const w = max_width_ - leftMargin(max_width_, pit, ii->pos)
- right_margin;
Font const & font = ii->inset->noFontChange() ?
bufferfont : getDisplayFont(pit, ii->pos);
MetricsInfo mi(bv_, font, w);
- changed |= ii->inset->metrics(mi, dim);
+ 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 first = 0;
size_t row_index = 0;
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().
+ // for the computeRowMetrics() below.
dim_.wid = max_width_;
dim.wid = rowWidth(right_margin, pit, first, end);
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);
- computeRowMetrics(pit, row);
+ int const max_row_width = max(dim_.wid, dim.wid);
+ computeRowMetrics(pit, row, max_row_width);
pm.computeRowSignature(row, bparams);
first = end;
++row_index;
row.pos(first);
row.endpos(first);
row.setDimension(dim);
- computeRowMetrics(pit, row);
+ int const max_row_width = max(dim_.wid, dim.wid);
+ computeRowMetrics(pit, row, max_row_width);
pm.computeRowSignature(row, bparams);
pm.dim().des += dim.height();
}
void TextMetrics::computeRowMetrics(pit_type const pit,
- Row & row) const
+ Row & row, int width) const
{
row.label_hfill = 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);
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) {
+ Dimension const & dim = pm.insetDimension(ii->inset);
if (ii->pos >= first && ii->pos < end) {
- maxasc = max(maxasc, ii->inset->ascent());
- maxdesc = max(maxdesc, ii->inset->descent());
+ maxasc = max(maxasc, dim.ascent());
+ maxdesc = max(maxdesc, dim.descent());
}
}
// 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()
/// 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);
ParagraphMetrics const & pm = par_metrics_[pit];
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];
}
+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());
- BOOST_ASSERT(bv_->coordCache().getParPos().find(text_) != bv_->coordCache().getParPos().end());
- CoordCache::InnerParPosCache const & cc = bv_->coordCache().getParPos().find(text_)->second;
LYXERR(Debug::DEBUG)
<< BOOST_CURRENT_FUNCTION
- << ": y: " << y << " cache size: " << cc.size()
+ << ": y: " << y << " cache size: " << par_metrics_.size()
<< endl;
// look for highest numbered paragraph with y coordinate less than given y
pit_type pit = 0;
int yy = -1;
- CoordCache::InnerParPosCache::const_iterator it = cc.begin();
- CoordCache::InnerParPosCache::const_iterator et = cc.end();
- CoordCache::InnerParPosCache::const_iterator last = et; last--;
+ ParMetricsCache::const_iterator it = par_metrics_.begin();
+ ParMetricsCache::const_iterator et = par_metrics_.end();
+ ParMetricsCache::const_iterator last = et; last--;
- ParagraphMetrics const & pm = par_metrics_[it->first];
+ ParagraphMetrics const & pm = it->second;
// If we are off-screen (before the visible part)
if (y < 0
// and even before the first paragraph in the cache.
- && y < it->second.y_ - int(pm.ascent())) {
+ && y < it->second.position() - int(pm.ascent())) {
// and we are not at the first paragraph in the inset.
if (it->first == 0)
return 0;
pit = it->first - 1;
// rebreak it and update the CoordCache.
redoParagraph(pit);
- bv_->coordCache().parPos()[text_][pit] =
- Point(0, it->second.y_ - pm.descent());
+ par_metrics_[pit].setPosition(it->second.position() - pm.descent());
return pit;
}
// If we are off-screen (after the visible part)
if (y > bv_->workHeight()
// and even after the first paragraph in the cache.
- && y >= last->second.y_ + int(pm_last.descent())) {
+ && y >= last->second.position() + int(pm_last.descent())) {
pit = last->first + 1;
// and we are not at the last paragraph in the inset.
if (pit == int(text_->paragraphs().size()))
// then this is the paragraph we are looking for.
// rebreak it and update the CoordCache.
redoParagraph(pit);
- bv_->coordCache().parPos()[text_][pit] =
- Point(0, last->second.y_ + pm_last.ascent());
+ par_metrics_[pit].setPosition(last->second.position() + pm_last.ascent());
return pit;
}
LYXERR(Debug::DEBUG)
<< BOOST_CURRENT_FUNCTION
<< " examining: pit: " << it->first
- << " y: " << it->second.y_
+ << " y: " << it->second.position()
<< endl;
ParagraphMetrics const & pm = par_metrics_[it->first];
- if (it->first >= pit && int(it->second.y_) - int(pm.ascent()) <= y) {
+ if (it->first >= pit && int(it->second.position()) - int(pm.ascent()) <= y) {
pit = it->first;
- yy = it->second.y_;
+ yy = it->second.position();
}
}
{
ParagraphMetrics const & pm = par_metrics_[pit];
- int yy = bv_->coordCache().get(text_, pit).y_ - pm.ascent();
+ int yy = pm.position() - pm.ascent();
BOOST_ASSERT(!pm.rows().empty());
RowList::const_iterator rit = pm.rows().begin();
- RowList::const_iterator const rlast = boost::prior(pm.rows().end());
+ RowList::const_iterator rlast = pm.rows().end();
+ --rlast;
for (; rit != rlast; yy += rit->height(), ++rit)
if (yy + rit->height() > y)
break;
ParagraphMetrics const & pm = par_metrics_[pit];
- int yy = bv_->coordCache().get(text_, pit).y_ - pm.ascent();
+ int yy = pm.position() - pm.ascent();
LYXERR(Debug::DEBUG)
<< BOOST_CURRENT_FUNCTION
<< ": x: " << x
BOOST_ASSERT(pit != -1);
Paragraph const & par = text_->paragraphs()[pit];
+ ParagraphMetrics const & pm = par_metrics_[pit];
LYXERR(Debug::DEBUG)
<< BOOST_CURRENT_FUNCTION
<< " y: " << y
<< " pit: " << pit
<< endl;
- InsetList::const_iterator iit = par.insetlist.begin();
- InsetList::const_iterator iend = par.insetlist.end();
+ InsetList::const_iterator iit = par.insetList().begin();
+ InsetList::const_iterator iend = par.insetList().end();
for (; iit != iend; ++iit) {
Inset * inset = iit->inset;
-#if 1
+
LYXERR(Debug::DEBUG)
<< BOOST_CURRENT_FUNCTION
<< ": examining inset " << inset << endl;
- if (bv_->coordCache().getInsets().has(inset))
- LYXERR(Debug::DEBUG)
- << BOOST_CURRENT_FUNCTION
- << ": xo: " << inset->xo(*bv_) << "..."
- << inset->xo(*bv_) + inset->width()
- << " yo: " << inset->yo(*bv_) - inset->ascent()
- << "..."
- << inset->yo(*bv_) + inset->descent()
- << endl;
- else
+ if (!bv_->coordCache().getInsets().has(inset)) {
LYXERR(Debug::DEBUG)
<< BOOST_CURRENT_FUNCTION
<< ": inset has no cached position" << endl;
-#endif
- if (inset->covers(*bv_, x, y)) {
+ return 0;
+ }
+
+ Dimension const & dim = pm.insetDimension(inset);
+ Point p = bv_->coordCache().getInsets().xy(inset);
+
+ LYXERR(Debug::DEBUG)
+ << BOOST_CURRENT_FUNCTION
+ << ": xo: " << p.x_ << "..." << p.x_ + dim.wid
+ << " yo: " << p.y_ - dim.asc << "..." << p.y_ + dim.des
+ << endl;
+
+ if (x >= p.x_
+ && x <= p.x_ + dim.wid
+ && y >= p.y_ - dim.asc
+ && y <= p.y_ + dim.des) {
LYXERR(Debug::DEBUG)
<< BOOST_CURRENT_FUNCTION
<< ": Hit inset: " << inset << endl;
return inset;
}
}
+
LYXERR(Debug::DEBUG)
<< BOOST_CURRENT_FUNCTION
<< ": No inset hit. " << endl;
// simplest solution is to move to the previous row instead.
cur.dispatch(FuncRequest(cur.selection()? LFUN_UP_SELECT: LFUN_UP));
- finishUndo();
+ cur.finishUndo();
cur.updateFlags(Update::Force | Update::FitCursor);
}
cur.dispatch(
FuncRequest(cur.selection()? LFUN_DOWN_SELECT: LFUN_DOWN));
- finishUndo();
+ cur.finishUndo();
cur.updateFlags(Update::Force | Update::FitCursor);
}
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);
+ 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();
}
}
// lyxerr << " paintPar: pit: " << pit << " at y: " << y << endl;
int const ww = bv_->workHeight();
- bv_->coordCache().parPos()[text_][pit] = Point(x, y);
-
ParagraphMetrics const & pm = par_metrics_[pit];
if (pm.rows().empty())
return;
// Row signature; has row changed since last paint?
bool row_has_changed = rit->changed();
- if (!pi.full_repaint && !row_has_changed) {
+ bool row_selection = rit->sel_beg != -1 && rit->sel_end != -1;
+
+ if (!row_selection && !pi.full_repaint && !row_has_changed) {
// Paint the only the insets if the text itself is
// unchanged.
rp.paintOnlyInsets();
// changed.
// Clear background of this row
// (if paragraph background was not cleared)
- if (!pi.full_repaint && row_has_changed) {
+ if (row_selection || (!pi.full_repaint && row_has_changed)) {
pi.pain.fillRectangle(x, y - rit->ascent(),
width(), rit->height(),
Color_color(Color::color(pi.background_color)));
}
+ if (row_selection) {
+ DocIterator beg = bv_->cursor().selectionBegin();
+ DocIterator end = bv_->cursor().selectionEnd();
+ beg.pit() = pit;
+ beg.pos() = rit->sel_beg;
+ if (pit == end.pit()) {
+ end.pos() = rit->sel_end;
+ } else {
+ end.pit() = pit + 1;
+ end.pos() = 0;
+ }
+ drawSelection(pi, beg, end, x);
+ }
// Instrumentation for testing row cache (see also
// 12 lines lower):
if (lyxerr.debugging(Debug::PAINTING)) {
if (text_->isMainText(bv_->buffer()))
- LYXERR(Debug::PAINTING) << "\n{" <<
+ LYXERR(Debug::PAINTING) << "\n{" << inside <<
pi.full_repaint << row_has_changed << "}";
else
- LYXERR(Debug::PAINTING) << "[" <<
+ LYXERR(Debug::PAINTING) << "[" << inside <<
pi.full_repaint << row_has_changed << "]";
}
}
-// only used for inset right now. should also be used for main text
-void TextMetrics::drawSelection(PainterInfo & pi, int x, int) const
+// FIXME: only take care of one row!
+void TextMetrics::drawSelection(PainterInfo & pi,
+ DocIterator const & beg, DocIterator const & end, int x) const
{
- Cursor & cur = bv_->cursor();
- if (!cur.selection())
- return;
- if (!ptr_cmp(cur.text(), text_))
- return;
-
- LYXERR(Debug::DEBUG)
- << BOOST_CURRENT_FUNCTION
- << "draw selection at " << x
- << endl;
-
- DocIterator beg = cur.selectionBegin();
- DocIterator end = cur.selectionEnd();
-
- // the selection doesn't touch the visible screen?
- if (bv_funcs::status(bv_, beg) == bv_funcs::CUR_BELOW
- || bv_funcs::status(bv_, end) == bv_funcs::CUR_ABOVE)
- return;
-
- if (beg.pit() < par_metrics_.begin()->first) {
- beg.pit() = par_metrics_.begin()->first;
- beg.pos() = 0;
- }
- if (end.pit() > par_metrics_.rbegin()->first) {
- end.pit() = par_metrics_.rbegin()->first;
- end.pos() = end.lastpos();
- }
-
- ParagraphMetrics const & pm1 = par_metrics_[beg.pit()];
- ParagraphMetrics const & pm2 = par_metrics_[end.pit()];
+ ParagraphMetrics const & pm1 = parMetrics(beg.pit());
+ ParagraphMetrics const & pm2 = parMetrics(end.pit());
Row const & row1 = pm1.getRow(beg.pos(), beg.boundary());
Row const & row2 = pm2.getRow(end.pos(), end.boundary());
// clip above
int middleTop;
- bool const clipAbove =
- (bv_funcs::status(bv_, beg) == bv_funcs::CUR_ABOVE);
+ bool const clipAbove = (bv_->cursorStatus(beg) == CUR_ABOVE);
if (clipAbove)
middleTop = 0;
else
- middleTop = bv_funcs::getPos(*bv_, beg, beg.boundary()).y_ + row1.descent();
+ middleTop = bv_->getPos(beg, beg.boundary()).y_ + row1.descent();
// clip below
int middleBottom;
- bool const clipBelow =
- (bv_funcs::status(bv_, end) == bv_funcs::CUR_BELOW);
+ bool const clipBelow = (bv_->cursorStatus(end) == CUR_BELOW);
if (clipBelow)
middleBottom = bv_->workHeight();
else
- middleBottom = bv_funcs::getPos(*bv_, end, end.boundary()).y_ - row2.ascent();
+ middleBottom = bv_->getPos(end, end.boundary()).y_ - row2.ascent();
// start and end in the same line?
- if (!(clipAbove || clipBelow) && &row1 == &row2)
+ if (!clipAbove && !clipBelow && &row1 == &row2)
// then only draw this row's selection
drawRowSelection(pi, x, row1, beg, end, false, false);
else {
DocIterator cur = beg;
int x1 = cursorX(beg.top(), beg.boundary());
int x2 = cursorX(end.top(), end.boundary());
- int y1 = bv_funcs::getPos(*bv_, cur, cur.boundary()).y_ - row.ascent();
+ int y1 = bv_->getPos(cur, cur.boundary()).y_ - row.ascent();
int y2 = y1 + row.height();
// draw the margins