#include "BufferView.h"
#include "buffer.h"
#include "cursor.h"
+#include "coordcache.h"
#include "CutAndPaste.h"
#include "debug.h"
#include "dispatchresult.h"
#include "insets/insettext.h"
#include "mathed/math_data.h"
-#include "mathed/math_support.h"
#include "mathed/math_inset.h"
+#include "mathed/math_macrotable.h"
#include "support/limited_stack.h"
-#include "support/std_sstream.h"
#include "frontends/LyXView.h"
+#include "frontends/font_metrics.h"
#include <boost/assert.hpp>
+#include <boost/bind.hpp>
+#include <boost/current_function.hpp>
+
+#include <sstream>
+#include <limits>
-using lyx::par_type;
+using lyx::pit_type;
using std::string;
using std::vector;
using std::min;
using std::swap;
+namespace {
+ bool
+ positionable(DocIterator const & cursor, DocIterator const & anchor)
+ {
+ // avoid deeper nested insets when selecting
+ if (cursor.depth() > anchor.depth())
+ return false;
-// our own cut buffer
-limited_stack<string> theCutBuffer;
+ // anchor might be deeper, should have same path then
+ for (size_t i = 0; i < cursor.depth(); ++i)
+ if (&cursor[i].inset() != &anchor[i].inset())
+ return false;
+ // position should be ok.
+ return true;
+ }
-namespace {
-void region(CursorSlice const & i1, CursorSlice const & i2,
- LCursor::row_type & r1, LCursor::row_type & r2,
- LCursor::col_type & c1, LCursor::col_type & c2)
-{
- InsetBase & p = i1.inset();
- c1 = p.col(i1.idx());
- c2 = p.col(i2.idx());
- if (c1 > c2)
- swap(c1, c2);
- r1 = p.row(i1.idx());
- r2 = p.row(i2.idx());
- if (r1 > r2)
- swap(r1, r2);
-}
+ // Find position closest to (x, y) in cell given by iter.
+ // Used only in mathed
+ DocIterator bruteFind2(LCursor const & c, int x, int y)
+ {
+ double best_dist = std::numeric_limits<double>::max();
+
+ DocIterator result;
+
+ DocIterator it = c;
+ it.top().pos() = 0;
+ DocIterator et = c;
+ et.top().pos() = et.top().asMathInset()->cell(et.top().idx()).size();
+ for (int i = 0; ; ++i) {
+ int xo;
+ int yo;
+ it.inset().cursorPos(it.top(), c.boundary(), xo, yo);
+ double d = (x - xo) * (x - xo) + (y - yo) * (y - yo);
+ // '<=' in order to take the last possible position
+ // this is important for clicking behind \sum in e.g. '\sum_i a'
+ lyxerr[Debug::DEBUG] << "i: " << i << " d: " << d
+ << " best: " << best_dist << endl;
+ if (d <= best_dist) {
+ best_dist = d;
+ result = it;
+ }
+ if (it == et)
+ break;
+ it.forwardPos();
+ }
+ return result;
+ }
-}
+
+ /// moves position closest to (x, y) in given box
+ bool bruteFind(LCursor & cursor,
+ int x, int y, int xlow, int xhigh, int ylow, int yhigh)
+ {
+ BOOST_ASSERT(!cursor.empty());
+ CursorSlice bottom = cursor[0];
+
+ DocIterator it = doc_iterator_begin(bottom.inset());
+ DocIterator const et = doc_iterator_end(bottom.inset());
+
+ double best_dist = std::numeric_limits<double>::max();;
+ DocIterator best_cursor = et;
+
+ for ( ; it != et; it.forwardPos()) {
+ // avoid invalid nesting when selecting
+ if (bv_funcs::status(&cursor.bv(), it) == bv_funcs::CUR_INSIDE
+ && (!cursor.selection() || positionable(it, cursor.anchor_))) {
+ Point p = bv_funcs::getPos(it, false);
+ int xo = p.x_;
+ int yo = p.y_;
+ if (xlow <= xo && xo <= xhigh && ylow <= yo && yo <= yhigh) {
+ double d = (x - xo) * (x - xo) + (y - yo) * (y - yo);
+ //lyxerr << "xo: " << xo << " yo: " << yo << " d: " << d << endl;
+ // '<=' in order to take the last possible position
+ // this is important for clicking behind \sum in e.g. '\sum_i a'
+ if (d <= best_dist) {
+ //lyxerr << "*" << endl;
+ best_dist = d;
+ best_cursor = it;
+ }
+ }
+ }
+ }
+
+ //lyxerr << "best_dist: " << best_dist << " cur:\n" << best_cursor << endl;
+ if (best_cursor != et) {
+ cursor.setCursor(best_cursor);
+ return true;
+ }
+
+ return false;
+ }
+
+} // namespace anon
+// be careful: this is called from the bv's constructor, too, so
+// bv functions are not yet available!
LCursor::LCursor(BufferView & bv)
- : DocIterator(), bv_(&bv),
- anchor_(), cached_y_(0), x_target_(-1),
- selection_(false), mark_(false)
+ : DocIterator(), bv_(&bv), anchor_(), x_target_(-1),
+ selection_(false), mark_(false), logicalpos_(false)
{}
clear();
push_back(CursorSlice(inset));
anchor_ = DocIterator(inset);
- cached_y_ = 0;
clearTargetX();
selection_ = false;
mark_ = false;
}
-void LCursor::setCursor(DocIterator const & cur, bool sel)
+// this (intentionally) does neither touch anchor nor selection status
+void LCursor::setCursor(DocIterator const & cur)
{
- // this (intentionally) does not touch the anchor
DocIterator::operator=(cur);
- selection() = sel;
}
-DispatchResult LCursor::dispatch(FuncRequest const & cmd0)
+void LCursor::dispatch(FuncRequest const & cmd0)
{
- lyxerr << "\nLCursor::dispatch: cmd: " << cmd0 << endl << *this << endl;
+ lyxerr[Debug::DEBUG] << BOOST_CURRENT_FUNCTION
+ << " cmd: " << cmd0 << '\n'
+ << *this << endl;
if (empty())
- return DispatchResult();
+ return;
+ fixIfBroken();
FuncRequest cmd = cmd0;
LCursor safe = *this;
- for ( ; size(); pop()) {
- //lyxerr << "\nLCursor::dispatch: cmd: " << cmd0 << endl << *this << endl;
+ for (; depth(); pop()) {
+ lyxerr[Debug::DEBUG] << "LCursor::dispatch: cmd: "
+ << cmd0 << endl << *this << endl;
BOOST_ASSERT(pos() <= lastpos());
BOOST_ASSERT(idx() <= lastidx());
- BOOST_ASSERT(par() <= lastpar());
+ BOOST_ASSERT(pit() <= lastpit());
// The common case is 'LFUN handled, need update', so make the
// LFUN handler's life easier by assuming this as default value.
// it completely to get a 'bomb early' behaviour in case this
// object will be used again.
if (!disp_.dispatched()) {
- lyxerr << "RESTORING OLD CURSOR!" << endl;
+ lyxerr[Debug::DEBUG] << "RESTORING OLD CURSOR!" << endl;
operator=(safe);
+ disp_.dispatched(false);
}
- return disp_;
}
-bool LCursor::getStatus(FuncRequest const & cmd, FuncStatus & status)
+DispatchResult LCursor::result() const
{
- // This is, of course, a mess. Better create a new doc iterator and use
- // this in Inset::getStatus. This might require an additional
- // BufferView * arg, though (which should be avoided)
- LCursor safe = *this;
- bool res = false;
- for ( ; size(); pop()) {
- //lyxerr << "\nLCursor::getStatus: cmd: " << cmd << endl << *this << endl;
- BOOST_ASSERT(pos() <= lastpos());
- BOOST_ASSERT(idx() <= lastidx());
- BOOST_ASSERT(par() <= lastpar());
-
- // The inset's getStatus() will return 'true' if it made
- // a definitive decision on whether it want to handle the
- // request or not. The result of this decision is put into
- // the 'status' parameter.
- if (inset().getStatus(*this, cmd, status)) {
- res = true;
- break;
- }
- }
- operator=(safe);
- return res;
+ return disp_;
}
BufferView & LCursor::bv() const
{
+ BOOST_ASSERT(bv_);
return *bv_;
}
+Buffer & LCursor::buffer() const
+{
+ BOOST_ASSERT(bv_);
+ BOOST_ASSERT(bv_->buffer());
+ return *bv_->buffer();
+}
+
+
void LCursor::pop()
{
- BOOST_ASSERT(size() >= 1);
+ BOOST_ASSERT(depth() >= 1);
pop_back();
}
{
BOOST_ASSERT(!empty());
//lyxerr << "Leaving inset to the left" << endl;
- inset().notifyCursorLeaves(idx());
+ inset().notifyCursorLeaves(*this);
if (depth() == 1)
return false;
pop();
{
BOOST_ASSERT(!empty());
//lyxerr << "Leaving inset to the right" << endl;
- inset().notifyCursorLeaves(idx());
+ inset().notifyCursorLeaves(*this);
if (depth() == 1)
return false;
pop();
int LCursor::currentMode()
{
BOOST_ASSERT(!empty());
- for (int i = size() - 1; i >= 0; --i) {
+ for (int i = depth() - 1; i >= 0; --i) {
int res = operator[](i).inset().currentMode();
if (res != InsetBase::UNDECIDED_MODE)
return res;
}
-void LCursor::updatePos()
-{
- BOOST_ASSERT(!empty());
- if (size() > 1)
- cached_y_ = bv().top_y() + back().inset().yo();
- //cached_y_ = back().inset().yo();
-}
-
-
-void LCursor::getDim(int & asc, int & des) const
-{
- if (inMathed()) {
- BOOST_ASSERT(inset().asMathInset());
- //inset().asMathInset()->getCursorDim(asc, des);
- asc = 10;
- des = 10;
- } else if (inTexted()) {
- Row const & row = textRow();
- asc = row.baseline();
- des = row.height() - asc;
- } else {
- lyxerr << "should this happen?" << endl;
- asc = 10;
- des = 10;
- }
-}
-
-
void LCursor::getPos(int & x, int & y) const
{
- x = 0;
- y = 0;
- if (!empty())
- inset().getCursorPos(back(), x, y);
- // getCursorPos gives _screen_ coordinates. We need to add
- // top_y to get document coordinates. This is hidden in cached_y_.
- //y += cached_y_ - inset().yo();
- // The rest is non-obvious. The reason we have to have these
- // extra computation is that the getCursorPos() calls rely
- // on the inset's own knowledge of its screen position.
- // If we scroll up or down in a big enough increment,
- // inset->draw() is not called: this doesn't update
- // inset.yo_, so getCursor() returns an old value.
- // Ugly as you like.
+ Point p = bv_funcs::getPos(*this, boundary());
+ x = p.x_;
+ y = p.y_;
}
}
-CursorSlice & LCursor::anchor()
+CursorSlice LCursor::anchor() const
{
- BOOST_ASSERT(!anchor_.empty());
- return anchor_.back();
-}
-
-
-CursorSlice const & LCursor::anchor() const
-{
- BOOST_ASSERT(!anchor_.empty());
- return anchor_.back();
+ BOOST_ASSERT(anchor_.depth() >= depth());
+ CursorSlice normal = anchor_[depth() - 1];
+ if (depth() < anchor_.depth() && top() <= normal) {
+ // anchor is behind cursor -> move anchor behind the inset
+ ++normal.pos();
+ }
+ return normal;
}
-CursorSlice const & LCursor::selBegin() const
+CursorSlice LCursor::selBegin() const
{
if (!selection())
- return back();
- return anchor() < back() ? anchor() : back();
+ return top();
+ return anchor() < top() ? anchor() : top();
}
-CursorSlice const & LCursor::selEnd() const
+CursorSlice LCursor::selEnd() const
{
if (!selection())
- return back();
- return anchor() > back() ? anchor() : back();
+ return top();
+ return anchor() > top() ? anchor() : top();
}
{
if (!selection())
return *this;
- return anchor() < back() ? anchor_ : *this;
+ return anchor() < top() ? anchor_ : *this;
}
{
if (!selection())
return *this;
- return anchor() > back() ? anchor_ : *this;
+ return anchor() > top() ? anchor_ : *this;
}
void LCursor::setSelection()
{
selection() = true;
- // a selection with no contents is not a selection
- if (par() == anchor().par() && pos() == anchor().pos())
+ // A selection with no contents is not a selection
+#ifdef WITH_WARNINGS
+#warning doesnt look ok
+#endif
+ if (pit() == anchor().pit() && pos() == anchor().pos())
selection() = false;
}
void LCursor::setSelection(DocIterator const & where, size_t n)
{
- setCursor(where, true);
+ setCursor(where);
+ selection() = true;
anchor_ = where;
pos() += n;
+ // Open all collapsed insets
+ for (int i = depth() - 1; i >= 0; --i)
+ operator[](i).inset().setStatus(*this, InsetBase::Open);
}
}
-string LCursor::grabSelection()
-{
- if (!selection())
- return string();
-
- CursorSlice i1 = selBegin();
- CursorSlice i2 = selEnd();
-
- if (i1.idx() == i2.idx()) {
- if (i1.inset().asMathInset()) {
- MathArray::const_iterator it = i1.cell().begin();
- return asString(MathArray(it + i1.pos(), it + i2.pos()));
- } else {
- return "unknown selection 1";
- }
- }
-
- row_type r1, r2;
- col_type c1, c2;
- region(i1, i2, r1, r2, c1, c2);
-
- string data;
- if (i1.inset().asMathInset()) {
- for (row_type row = r1; row <= r2; ++row) {
- if (row > r1)
- data += "\\\\";
- for (col_type col = c1; col <= c2; ++col) {
- if (col > c1)
- data += '&';
- data += asString(i1.asMathInset()->cell(i1.asMathInset()->index(row, col)));
- }
- }
- } else {
- data = "unknown selection 2";
- }
- return data;
-}
-
-
-void LCursor::eraseSelection()
-{
- //lyxerr << "LCursor::eraseSelection" << endl;
- CursorSlice const & i1 = selBegin();
- CursorSlice const & i2 = selEnd();
-#ifdef WITH_WARNINGS
-#warning FIXME
-#endif
- if (i1.inset().asMathInset()) {
- if (i1.idx() == i2.idx()) {
- i1.cell().erase(i1.pos(), i2.pos());
- } else {
- MathInset * p = i1.asMathInset();
- row_type r1, r2;
- col_type c1, c2;
- region(i1, i2, r1, r2, c1, c2);
- for (row_type row = r1; row <= r2; ++row)
- for (col_type col = c1; col <= c2; ++col)
- p->cell(p->index(row, col)).clear();
- }
- back() = i1;
- } else {
- lyxerr << "can't erase this selection 1" << endl;
- }
- //lyxerr << "LCursor::eraseSelection end" << endl;
-}
-
-
-string LCursor::grabAndEraseSelection()
-{
- if (!selection())
- return string();
- string res = grabSelection();
- eraseSelection();
- selection() = false;
- return res;
-}
-
-
-void LCursor::selClear()
-{
- resetAnchor();
- clearSelection();
-}
-
-
-void LCursor::selCopy()
-{
- if (selection()) {
- theCutBuffer.push(grabSelection());
- selection() = false;
- } else {
- //theCutBuffer.erase();
- }
-}
-
-
-void LCursor::selCut()
-{
- theCutBuffer.push(grabAndEraseSelection());
-}
-
-
-void LCursor::selDel()
-{
- //lyxerr << "LCursor::selDel" << endl;
- if (selection()) {
- eraseSelection();
- selection() = false;
- }
-}
-
-
-void LCursor::selPaste(size_t n)
-{
- selClearOrDel();
- if (n < theCutBuffer.size())
- paste(theCutBuffer[n]);
- //grabSelection();
- selection() = false;
-}
-
-
void LCursor::selHandle(bool sel)
{
//lyxerr << "LCursor::selHandle" << endl;
if (sel == selection())
return;
+
resetAnchor();
selection() = sel;
}
-void LCursor::selClearOrDel()
-{
- //lyxerr << "LCursor::selClearOrDel" << endl;
- if (lyxrc.auto_region_delete)
- selDel();
- else
- selection() = false;
-}
-
-
std::ostream & operator<<(std::ostream & os, LCursor const & cur)
{
- for (size_t i = 0, n = cur.size(); i != n; ++i) {
- os << " " << cur.operator[](i) << " | ";
- if (i < cur.anchor_.size())
+ os << "\n cursor: | anchor:\n";
+ for (size_t i = 0, n = cur.depth(); i != n; ++i) {
+ os << " " << cur[i] << " | ";
+ if (i < cur.anchor_.depth())
os << cur.anchor_[i];
else
os << "-------------------------------";
os << "\n";
}
- for (size_t i = cur.size(), n = cur.anchor_.size(); i < n; ++i) {
+ for (size_t i = cur.depth(), n = cur.anchor_.depth(); i < n; ++i) {
os << "------------------------------- | " << cur.anchor_[i] << "\n";
}
os << " selection: " << cur.selection_
#include "mathed/math_factory.h"
#include "mathed/math_gridinset.h"
#include "mathed/math_macroarg.h"
-#include "mathed/math_macrotemplate.h"
#include "mathed/math_mathmlstream.h"
#include "mathed/math_scriptinset.h"
#include "mathed/math_support.h"
bool LCursor::isInside(InsetBase const * p)
{
- for (unsigned i = 0; i < depth(); ++i)
+ for (size_t i = 0; i != depth(); ++i)
if (&operator[](i).inset() == p)
return true;
return false;
}
+void LCursor::leaveInset(InsetBase const & inset)
+{
+ for (size_t i = 0; i != depth(); ++i) {
+ if (&operator[](i).inset() == &inset) {
+ resize(i);
+ return;
+ }
+ }
+}
+
+
bool LCursor::openable(MathAtom const & t) const
{
if (!t->isActive())
return true;
// we can't move into anything new during selection
- if (depth() >= anchor_.size())
+ if (depth() >= anchor_.depth())
return false;
if (!ptr_cmp(t.nucleus(), &anchor_[depth()].inset()))
return false;
}
-bool positionable(DocIterator const & cursor,
- DocIterator const & anchor)
-{
- // avoid deeper nested insets when selecting
- if (cursor.size() > anchor.size())
- return false;
-
- // anchor might be deeper, should have same path then
- for (size_t i = 0; i < cursor.size(); ++i)
- if (&cursor[i].inset() != &anchor[i].inset())
- return false;
-
- // position should be ok.
- return true;
-}
-
-
void LCursor::setScreenPos(int x, int y)
{
x_target() = x;
- bruteFind(x, y, 0, bv().workWidth(), 0, bv().workHeight());
+ bruteFind(*this, x, y, 0, bv().workWidth(), 0, bv().workHeight());
}
void LCursor::markInsert()
{
- cell().insert(pos(), MathAtom(new MathCharInset(0)));
+ insert(char(0));
}
void LCursor::insert(string const & str)
{
- lyxerr << "LCursor::insert str '" << str << "'" << endl;
- for (string::const_iterator it = str.begin(); it != str.end(); ++it)
- insert(*it);
+ for_each(str.begin(), str.end(),
+ boost::bind(static_cast<void(LCursor::*)(char)>
+ (&LCursor::insert), this, _1));
}
//lyxerr << "LCursor::insert char '" << c << "'" << endl;
BOOST_ASSERT(!empty());
if (inMathed()) {
- selClearOrDel();
- plainInsert(MathAtom(new MathCharInset(c)));
+ lyx::cap::selClearOrDel(*this);
+ insert(new MathCharInset(c));
} else {
text()->insertChar(*this, c);
}
void LCursor::insert(MathAtom const & t)
{
- //lyxerr << "LCursor::insert MathAtom: " << endl;
+ //lyxerr << "LCursor::insert MathAtom '" << t << "'" << endl;
macroModeClose();
- selClearOrDel();
+ lyx::cap::selClearOrDel(*this);
plainInsert(t);
}
void LCursor::niceInsert(MathAtom const & t)
{
macroModeClose();
- string safe = grabAndEraseSelection();
+ string const safe = lyx::cap::grabAndEraseSelection(*this);
plainInsert(t);
// enter the new inset and move the contents of the selection if possible
if (t->isActive()) {
{
macroModeClose();
if (selection())
- eraseSelection();
+ lyx::cap::eraseSelection(*this);
cell().insert(pos(), ar);
pos() += ar.size();
}
autocorrect() = false;
if (selection()) {
- selDel();
+ lyx::cap::selDel(*this);
return true;
}
if (pos() != 0 && prevAtom()->nargs() > 0) {
// let's require two backspaces for 'big stuff' and
// highlight on the first
+ resetAnchor();
selection() = true;
--pos();
} else {
return true;
if (selection()) {
- selDel();
+ lyx::cap::selDel(*this);
return true;
}
return true;
}
+ // 'clever' UI hack: only erase large items if previously slected
if (pos() != lastpos() && inset().nargs() > 0) {
+ resetAnchor();
selection() = true;
++pos();
} else {
DocIterator save = *this;
if (goUpDown(true))
return true;
- setCursor(save, false);
+ setCursor(save);
autocorrect() = false;
return selection();
}
DocIterator save = *this;
if (goUpDown(false))
return true;
- setCursor(save, false);
+ setCursor(save);
autocorrect() = false;
return selection();
}
return;
MathUnknownInset * p = activeMacro();
p->finalize();
- string s = p->name();
+ string const s = p->name();
--pos();
cell().erase(pos());
string const name = s.substr(1);
// prevent entering of recursive macros
+ // FIXME: this is only a weak attempt... only prevents immediate
+ // recursion
InsetBase const * macro = innerInsetOfType(InsetBase::MATHMACRO_CODE);
if (macro && macro->getInsetName() == name)
lyxerr << "can't enter recursive macro" << endl;
- niceInsert(createMathInset(name));
+ plainInsert(createMathInset(name));
}
{
//lyxerr << "LCursor::handleNest: " << c << endl;
MathAtom t = a;
- asArray(grabAndEraseSelection(), t.nucleus()->cell(c));
+ asArray(lyx::cap::grabAndEraseSelection(*this), t.nucleus()->cell(c));
insert(t);
posLeft();
pushLeft(*nextInset());
}
-void LCursor::adjust(pos_type from, int diff)
+void LCursor::setTargetX()
{
- if (pos() > from)
- pos() += diff;
- if (anchor().pos() > from)
- anchor().pos() += diff;
- // just to be on the safe side
- // theoretically unecessary
- normalize();
+ // For now this is good enough. A better solution would be to
+ // avoid this rebreak by setting cursorX only after drawing
+ bottom().text()->redoParagraph(bottom().pit());
+ int x;
+ int y;
+ getPos(x, y);
+ x_target_ = x;
}
bool LCursor::inMacroMode() const
{
- if (!pos() != 0)
+ if (pos() == 0)
return false;
MathUnknownInset const * p = prevAtom()->asUnknownInset();
return p && !p->final();
}
-bool LCursor::inMacroArgMode() const
-{
- return pos() > 0 && prevAtom()->getChar() == '#';
-}
-
-
-MathGridInset * LCursor::enclosingGrid(idx_type & idx) const
-{
- for (MathInset::difference_type i = depth() - 1; i >= 0; --i) {
- MathInset * m = operator[](i).inset().asMathInset();
- if (!m)
- return 0;
- MathGridInset * p = m->asGridInset();
- if (p) {
- idx = operator[](i).idx();
- return p;
- }
- }
- return 0;
-}
-
-
void LCursor::pullArg()
{
#ifdef WITH_WARNINGS
}
-char LCursor::valign()
-{
- idx_type idx;
- MathGridInset * p = enclosingGrid(idx);
- return p ? p->valign() : '\0';
-}
-
-
-char LCursor::halign()
-{
- idx_type idx;
- MathGridInset * p = enclosingGrid(idx);
- return p ? p->halign(idx % p->ncols()) : '\0';
-}
-
-
bool LCursor::goUpDown(bool up)
{
// Be warned: The 'logic' implemented in this function is highly
// matters. So fiddle around with it only if you think you know
// what you are doing!
- int xo = 0;
+ int xo = 0;
int yo = 0;
getPos(xo, yo);
}
}
- // try current cell for e.g. text insets
- if (inset().idxUpDown2(*this, up))
- return true;
-
//xarray().boundingBox(xlow, xhigh, ylow, yhigh);
//if (up)
// yhigh = yo - 4;
//else
// ylow = yo + 4;
- //if (bruteFind(xo, yo, xlow, xhigh, ylow, yhigh)) {
+ //if (bruteFind(*this, xo, yo, xlow, xhigh, ylow, yhigh)) {
// lyxerr << "updown: handled by brute find in the same cell" << endl;
// return true;
//}
// try to find an inset that knows better then we
- while (1) {
+ while (true) {
//lyxerr << "updown: We are in " << &inset() << " idx: " << idx() << endl;
// ask inset first
if (inset().idxUpDown(*this, up)) {
// try to find best position within this inset
if (!selection())
- bruteFind2(xo, yo);
+ setCursor(bruteFind2(*this, xo, yo));
return true;
}
if (!popLeft()) {
int ylow = up ? 0 : yo + 1;
int yhigh = up ? yo - 1 : bv().workHeight();
- return bruteFind(xo, yo, 0, bv().workWidth(), ylow, yhigh);
+ return bruteFind(*this, xo, yo, 0, bv().workWidth(), ylow, yhigh);
}
// any improvement so far?
- int xnew, ynew;
+ int xnew;
+ int ynew;
getPos(xnew, ynew);
if (up ? ynew < yo : ynew > yo)
return true;
}
-}
-
-
-bool LCursor::bruteFind(int x, int y, int xlow, int xhigh, int ylow, int yhigh)
-{
- BOOST_ASSERT(!empty());
- par_type beg, end;
- CursorSlice bottom = operator[](0);
- LyXText * text = bottom.text();
- BOOST_ASSERT(text);
- getParsInRange(text->paragraphs(), ylow, yhigh, beg, end);
-
- DocIterator it = doc_iterator_begin(bv().buffer()->inset());
- DocIterator et = doc_iterator_end(bv().buffer()->inset());
- //lyxerr << "x: " << x << " y: " << y << endl;
- //lyxerr << "xlow: " << xlow << " ylow: " << ylow << endl;
- //lyxerr << "xhigh: " << xhigh << " yhigh: " << yhigh << endl;
-
- it.par() = beg;
- //et.par() = text->parOffset(end);
-
- double best_dist = 10e10;
- DocIterator best_cursor = it;
-
- for ( ; it != et; it.forwardPos()) {
- // avoid invalid nesting when selecting
- if (!selection() || positionable(it, anchor_)) {
- int xo = 0, yo = 0;
- CursorSlice & cur = it.back();
- cur.inset().getCursorPos(cur, xo, yo);
- if (xlow <= xo && xo <= xhigh && ylow <= yo && yo <= yhigh) {
- double d = (x - xo) * (x - xo) + (y - yo) * (y - yo);
- //lyxerr << "xo: " << xo << " yo: " << yo << " d: " << d << endl;
- // '<=' in order to take the last possible position
- // this is important for clicking behind \sum in e.g. '\sum_i a'
- if (d <= best_dist) {
- //lyxerr << "*" << endl;
- best_dist = d;
- best_cursor = it;
- }
- }
- }
- }
-
- //lyxerr << "best_dist: " << best_dist << " cur:\n" << best_cursor << endl;
- if (best_dist < 1e10)
- setCursor(best_cursor, false);
- return best_dist < 1e10;
-}
-
-void LCursor::bruteFind2(int x, int y)
-{
- double best_dist = 1e10;
-
- DocIterator it = *this;
- it.back().pos() = 0;
- DocIterator et = *this;
- et.back().pos() = et.back().asMathInset()->cell(et.back().idx()).size();
- for (int i = 0; ; ++i) {
- int xo, yo;
- CursorSlice & cur = it.back();
- cur.inset().getCursorPos(cur, xo, yo);
- double d = (x - xo) * (x - xo) + (y - yo) * (y - yo);
- // '<=' in order to take the last possible position
- // this is important for clicking behind \sum in e.g. '\sum_i a'
- lyxerr << "i: " << i << " d: " << d << " best: " << best_dist << endl;
- if (d <= best_dist) {
- best_dist = d;
- setCursor(it, false);
- }
- if (it == et)
- break;
- it.forwardPos();
- }
-}
-
-
-CursorSlice LCursor::normalAnchor()
-{
- if (anchor_.size() < depth()) {
- resetAnchor();
- lyxerr << "unusual Anchor size" << endl;
- }
- //lyx::BOOST_ASSERT(Anchor_.size() >= cursor.depth());
- // use Anchor on the same level as Cursor
- CursorSlice normal = anchor_[size() - 1];
-#if 0
- if (depth() < anchor_.size() && !(normal < xx())) {
- // anchor is behind cursor -> move anchor behind the inset
- ++normal.pos_;
- }
-#endif
- return normal;
+ // we should not come here.
+ BOOST_ASSERT(false);
}
void LCursor::handleFont(string const & font)
{
- lyxerr << "LCursor::handleFont: " << font << endl;
+ lyxerr[Debug::DEBUG] << BOOST_CURRENT_FUNCTION << ": " << font << endl;
string safe;
if (selection()) {
macroModeClose();
- safe = grabAndEraseSelection();
+ safe = lyx::cap::grabAndEraseSelection(*this);
}
if (lastpos() != 0) {
ParagraphList & pars = text()->paragraphs();
// should be const ...
- par_type startpit = selBegin().par();
- par_type endpit = selEnd().par();
+ pit_type startpit = selBegin().pit();
+ pit_type endpit = selEnd().pit();
size_t const startpos = selBegin().pos();
size_t const endpos = selEnd().pos();
asString(buffer, startpos, pars[startpit].size(), label) + "\n\n";
// The paragraphs in between (if any)
- for (par_type pit = startpit + 1; pit != endpit; ++pit) {
+ for (pit_type pit = startpit + 1; pit != endpit; ++pit) {
Paragraph & par = pars[pit];
result += par.asString(buffer, 0, par.size(), label) + "\n\n";
}
}
if (inTexted())
- return text()->currentState(*this);
+ return text()->currentState(*this);
return string();
}
int s = 0;
// go up until first non-0 text is hit
// (innermost text is 0 in mathed)
- for (s = size() - 1; s >= 0; --s)
+ for (s = depth() - 1; s >= 0; --s)
if (operator[](s).text())
break;
CursorSlice const & sl = operator[](s);
- LyXText & text = *sl.text();
- LyXFont font = text.getPar(sl.par()).getFont(
- bv().buffer()->params(), sl.pos(), outerFont(sl.par(), text.paragraphs()));
+ LyXText const & text = *sl.text();
+ LyXFont font = text.getPar(sl.pit()).getFont(
+ bv().buffer()->params(), sl.pos(), outerFont(sl.pit(), text.paragraphs()));
return font.language()->encoding();
}
}
+void LCursor::needsUpdate()
+{
+ disp_.update(true);
+}
+
+
void LCursor::noUpdate()
{
disp_.update(false);
}
+
+
+LyXFont LCursor::getFont() const
+{
+ // HACK. far from being perfect...
+ int s = 0;
+ // go up until first non-0 text is hit
+ // (innermost text is 0 in mathed)
+ for (s = depth() - 1; s >= 0; --s)
+ if (operator[](s).text())
+ break;
+ CursorSlice const & sl = operator[](s);
+ LyXText const & text = *sl.text();
+ LyXFont font = text.getPar(sl.pit()).getFont(
+ bv().buffer()->params(),
+ sl.pos(),
+ outerFont(sl.pit(), text.paragraphs()));
+
+ return font;
+}
+
+
+void LCursor::fixIfBroken()
+{
+ // find out last good level
+ LCursor copy = *this;
+ size_t newdepth = depth();
+ while (!copy.empty()) {
+ if (copy.idx() > copy.lastidx()) {
+ lyxerr << "wrong idx " << copy.idx()
+ << ", max is " << copy.lastidx()
+ << " at level " << copy.depth()
+ << ". Trying to correct this." << endl;
+ newdepth = copy.depth() - 1;
+ }
+ else if (copy.pit() > copy.lastpit()) {
+ lyxerr << "wrong pit " << copy.pit()
+ << ", max is " << copy.lastpit()
+ << " at level " << copy.depth()
+ << ". Trying to correct this." << endl;
+ newdepth = copy.depth() - 1;
+ }
+ else if (copy.pos() > copy.lastpos()) {
+ lyxerr << "wrong pos " << copy.pos()
+ << ", max is " << copy.lastpos()
+ << " at level " << copy.depth()
+ << ". Trying to correct this." << endl;
+ newdepth = copy.depth() - 1;
+ }
+ copy.pop();
+ }
+ // shrink cursor to a size where everything is valid, possibly
+ // leaving insets
+ while (depth() > newdepth) {
+ pop();
+ lyxerr << "correcting cursor to level " << depth() << endl;
+ }
+}
projects / lyx.git / blobdiff