#include "BufferView.h"
#include "buffer.h"
#include "cursor.h"
+#include "coordcache.h"
#include "CutAndPaste.h"
#include "debug.h"
#include "dispatchresult.h"
#include "support/limited_stack.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;
namespace {
- bool positionable
- (DocIterator const & cursor, DocIterator const & anchor)
+ bool
+ positionable(DocIterator const & cursor, DocIterator const & anchor)
{
// avoid deeper nested insets when selecting
- if (cursor.size() > anchor.size())
+ if (cursor.depth() > anchor.depth())
return false;
// anchor might be deeper, should have same path then
- for (size_t i = 0; i < cursor.size(); ++i)
+ for (size_t i = 0; i < cursor.depth(); ++i)
if (&cursor[i].inset() != &anchor[i].inset())
return false;
// 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 = 1e10;
+ double best_dist = std::numeric_limits<double>::max();
DocIterator result;
DocIterator it = c;
- it.back().pos() = 0;
+ it.top().pos() = 0;
DocIterator et = c;
- et.back().pos() = et.back().asMathInset()->cell(et.back().idx()).size();
+ et.top().pos() = et.top().asMathInset()->cell(et.top().idx()).size();
for (int i = 0; ; ++i) {
- int xo, yo;
+ int xo;
+ int yo;
LCursor cur = c;
cur.setCursor(it);
- cur.inset().getCursorPos(cur, xo, yo);
+ cur.inset().getCursorPos(cur.top(), 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;
+ lyxerr[Debug::DEBUG] << "i: " << i << " d: " << d
+ << " best: " << best_dist << endl;
if (d <= best_dist) {
best_dist = d;
result = it;
int x, int y, int xlow, int xhigh, int ylow, int yhigh)
{
BOOST_ASSERT(!cursor.empty());
- par_type beg, end;
CursorSlice bottom = cursor[0];
LyXText * text = bottom.text();
BOOST_ASSERT(text);
- getParsInRange(text->paragraphs(), ylow, yhigh, beg, end);
- DocIterator it = doc_iterator_begin(cursor.bv().buffer()->inset());
- DocIterator et = doc_iterator_end(cursor.bv().buffer()->inset());
- //lyxerr << "x: " << x << " y: " << y << endl;
- //lyxerr << "xlow: " << xlow << " ylow: " << ylow << endl;
- //lyxerr << "xhigh: " << xhigh << " yhigh: " << yhigh << endl;
+ DocIterator it = doc_iterator_begin(bottom.inset());
+ DocIterator const et = doc_iterator_end(bottom.inset());
- it.par() = beg;
- //et.par() = text->parOffset(end);
-
- double best_dist = 10e10;
- DocIterator best_cursor = it;
+ double best_dist = std::numeric_limits<double>::max();;
+ DocIterator best_cursor = et;
for ( ; it != et; it.forwardPos()) {
// avoid invalid nesting when selecting
- if (!cursor.selection() || positionable(it, cursor.anchor_)) {
- int xo = 0, yo = 0;
- LCursor cur = cursor;
- cur.setCursor(it);
- cur.inset().getCursorPos(cur, xo, yo);
+ if (bv_funcs::status(&cursor.bv(), it) == bv_funcs::CUR_INSIDE
+ && (!cursor.selection() || positionable(it, cursor.anchor_))) {
+ Point p = bv_funcs::getPos(it);
+ 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;
}
//lyxerr << "best_dist: " << best_dist << " cur:\n" << best_cursor << endl;
- if (best_dist < 1e10)
+ if (best_cursor != et) {
cursor.setCursor(best_cursor);
- return best_dist < 1e10;
- }
+ 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_(), x_target_(-1),
selection_(false), mark_(false)
void LCursor::dispatch(FuncRequest const & cmd0)
{
- lyxerr[Debug::DEBUG] << "LCursor::dispatch: cmd: " << cmd0 << endl << *this << endl;
+ lyxerr[Debug::DEBUG] << BOOST_CURRENT_FUNCTION
+ << " cmd: " << cmd0 << '\n'
+ << *this << endl;
if (empty())
return;
+ fixIfBroken();
FuncRequest cmd = cmd0;
LCursor safe = *this;
- for (; size(); pop()) {
- lyxerr[Debug::DEBUG] << "LCursor::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.
}
-bool LCursor::getStatus(FuncRequest const & cmd, FuncStatus & status)
-{
- // 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;
-}
-
-
BufferView & LCursor::bv() const
{
BOOST_ASSERT(bv_);
void LCursor::pop()
{
- BOOST_ASSERT(size() >= 1);
+ BOOST_ASSERT(depth() >= 1);
pop_back();
}
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::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(*this, x, y);
+ Point p = bv_funcs::getPos(*this);
+ x = p.x_;
+ y = p.y_;
}
CursorSlice LCursor::anchor() const
{
- BOOST_ASSERT(anchor_.size() >= size());
- CursorSlice normal = anchor_[size() - 1];
- if (size() < anchor_.size() && back() <= normal) {
+ 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();
}
CursorSlice LCursor::selBegin() const
{
if (!selection())
- return back();
- return anchor() < back() ? anchor() : back();
+ return top();
+ return anchor() < top() ? anchor() : top();
}
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;
}
#ifdef WITH_WARNINGS
#warning doesnt look ok
#endif
- if (par() == anchor().par() && pos() == anchor().pos())
+ if (pit() == anchor().pit() && pos() == anchor().pos())
selection() = false;
}
std::ostream & operator<<(std::ostream & os, LCursor const & cur)
{
os << "\n cursor: | anchor:\n";
- for (size_t i = 0, n = cur.size(); i != n; ++i) {
- os << " " << cur.operator[](i) << " | ";
- if (i < cur.anchor_.size())
+ 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_
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;
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));
}
void LCursor::niceInsert(MathAtom const & t)
{
macroModeClose();
- string safe = lyx::cap::grabAndEraseSelection(*this);
+ 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()) {
return;
MathUnknownInset * p = activeMacro();
p->finalize();
- string s = p->name();
+ string const s = p->name();
--pos();
cell().erase(pos());
}
+void LCursor::setTargetX()
+{
+ // 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)
}
}
- // 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;
//}
// 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)) {
}
// any improvement so far?
- int xnew, ynew;
+ int xnew;
+ int ynew;
getPos(xnew, ynew);
if (up ? ynew < yo : ynew > yo)
return true;
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();
}
{
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