#include <config.h>
-#include "buffer.h"
#include "BufferView.h"
+#include "buffer.h"
#include "cursor.h"
#include "debug.h"
#include "dispatchresult.h"
+#include "encoding.h"
#include "funcrequest.h"
#include "iterators.h"
+#include "language.h"
#include "lfuns.h"
+#include "lyxfont.h"
#include "lyxfunc.h" // only for setMessage()
#include "lyxrc.h"
#include "lyxrow.h"
#include "lyxtext.h"
#include "paragraph.h"
+#include "paragraph_funcs.h"
#include "insets/updatableinset.h"
#include "insets/insettabular.h"
#include "insets/insettext.h"
#include "mathed/math_data.h"
-#include "mathed/math_hullinset.h"
#include "mathed/math_support.h"
+#include "mathed/math_inset.h"
#include "support/limited_stack.h"
#include "support/std_sstream.h"
limited_stack<string> theCutBuffer;
+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);
+}
+
+}
+
+
LCursor::LCursor(BufferView & bv)
- : DocumentIterator(bv), anchor_(bv),
+ : DocumentIterator(), bv_(&bv), anchor_(),
cached_y_(0), x_target_(-1), selection_(false), mark_(false)
{}
DispatchResult LCursor::dispatch(FuncRequest const & cmd0)
{
- lyxerr << "\nLCursor::dispatch: cmd: " << cmd0 << endl << *this << endl;
- BOOST_ASSERT(pos() <= lastpos());
- BOOST_ASSERT(idx() <= lastidx());
- BOOST_ASSERT(par() <= lastpar());
+ if (empty())
+ return DispatchResult();
+
+ //lyxerr << "\nLCursor::dispatch: cmd: " << cmd0 << endl << *this << endl;
FuncRequest cmd = cmd0;
nopop_ = false;
- DocumentIterator orig = *this;
- disp_.update(true);
- disp_.val(NONE);
- while (size() != 1) {
- // the inset's dispatch() is supposed to reset the update and
- // val flags if necessary
- inset()->dispatch(*this, cmd);
-
- // "Mutate" the request for semi-handled requests that need
- // additional handling in outer levels.
- switch (disp_.val()) {
- case NONE:
- // the inset handled the event fully
- return DispatchResult(true, true);
- case FINISHED_LEFT:
- // the inset handled the event partially
- cmd = FuncRequest(LFUN_FINISHED_LEFT);
- break;
- case FINISHED_RIGHT:
- cmd = FuncRequest(LFUN_FINISHED_RIGHT);
- break;
- case FINISHED_UP:
- cmd = FuncRequest(LFUN_FINISHED_UP);
- break;
- case FINISHED_DOWN:
- cmd = FuncRequest(LFUN_FINISHED_DOWN);
- break;
- default:
- //lyxerr << "not handled on level " << depth()
- // << " val: " << disp_.val() << endl;
- break;
- }
+ LCursor safe = *this;
+
+ for ( ; size(); pop()) {
+ lyxerr << "\nLCursor::dispatch: cmd: " << cmd0 << endl << *this << endl;
+ BOOST_ASSERT(pos() <= lastpos());
+ BOOST_ASSERT(idx() <= lastidx());
+ BOOST_ASSERT(par() <= lastpar());
+
+ // The common case is 'LFUN handled, need update', so make the
+ // LFUN handler's life easier by assuming this as default value.
+ // The handler can reset the update and val flags if necessary.
+ disp_.update(true);
+ disp_.dispatched(true);
+ inset().dispatch(*this, cmd);
+ if (disp_.dispatched())
+ break;
}
- bv().text()->dispatch(*this, cmd);
- if (nopop_)
- setCursor(orig, false);
- //lyxerr << " result: " << res.val() << endl;
+ // it completely to get a 'bomb early' behaviour in case this
+ // object will be used again.
+ if (nopop_ || !disp_.dispatched())
+ operator=(safe);
return disp_;
}
bool LCursor::getStatus(FuncRequest const & cmd, FuncStatus & status)
{
- lyxerr << "\nLCursor::getStatus: cmd: " << cmd << endl << *this << endl;
- DocumentIterator orig = *this;
- BOOST_ASSERT(pos() <= lastpos());
- BOOST_ASSERT(idx() <= lastidx());
- BOOST_ASSERT(par() <= lastpar());
- for ( ; size() != 0; pop_back()) {
- // the inset's getStatus() will return 'true' if it made
+ LCursor safe = *this;
+ 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.
- bool const res = inset()->getStatus(*this, cmd, status);
- if (res) {
- setCursor(orig, false);
- return true;
- }
+ if (inset().getStatus(*this, cmd, status))
+ break;
}
- bool const res = bv().text()->getStatus(*this, cmd, status);
- setCursor(orig, false);
- return res;
+ operator=(safe);
+ return true;
}
BufferView & LCursor::bv() const
{
- return DocumentIterator::bv();
+ return *bv_;
}
-/*
-void LCursor::pop(int depth)
-{
- while (int(size()) > depth + 1)
- pop();
- lyxerr << "LCursor::pop() result: " << *this << endl;
-}
-*/
-
-
void LCursor::pop()
{
BOOST_ASSERT(size() >= 1);
}
-void LCursor::push(InsetBase * p)
+void LCursor::push(InsetBase & p)
{
push_back(CursorSlice(p));
}
-void LCursor::pushLeft(InsetBase * p)
+void LCursor::pushLeft(InsetBase & p)
{
BOOST_ASSERT(!empty());
//lyxerr << "Entering inset " << t << " left" << endl;
push(p);
- p->idxFirst(*this);
+ p.idxFirst(*this);
}
{
BOOST_ASSERT(!empty());
//lyxerr << "Leaving inset to the left" << endl;
- if (depth() <= 1) {
- if (depth() == 1)
- inset()->notifyCursorLeaves(idx());
+ inset().notifyCursorLeaves(idx());
+ if (depth() == 1)
return false;
- }
- inset()->notifyCursorLeaves(idx());
pop();
return true;
}
{
BOOST_ASSERT(!empty());
//lyxerr << "Leaving inset to the right" << endl;
- if (depth() <= 1) {
- if (depth() == 1)
- inset()->notifyCursorLeaves(idx());
+ inset().notifyCursorLeaves(idx());
+ if (depth() == 1)
return false;
- }
- inset()->notifyCursorLeaves(idx());
pop();
++pos();
return true;
int LCursor::currentMode()
{
BOOST_ASSERT(!empty());
- for (int i = size() - 1; i >= 1; --i) {
- int res = operator[](i).inset()->currentMode();
- if (res != MathInset::UNDECIDED_MODE)
+ for (int i = size() - 1; i >= 0; --i) {
+ int res = operator[](i).inset().currentMode();
+ if (res != InsetBase::UNDECIDED_MODE)
return res;
}
- return MathInset::TEXT_MODE;
+ return InsetBase::TEXT_MODE;
}
{
BOOST_ASSERT(!empty());
if (size() > 1)
- cached_y_ = bv().top_y() + back().inset()->yo();
- //cached_y_ = back().inset()->yo();
+ cached_y_ = bv().top_y() + back().inset().yo();
+ //cached_y_ = back().inset().yo();
}
void LCursor::getDim(int & asc, int & des) const
{
- BOOST_ASSERT(!empty());
if (inMathed()) {
- BOOST_ASSERT(inset());
- BOOST_ASSERT(inset()->asMathInset());
- //inset()->asMathInset()->getCursorDim(asc, des);
+ BOOST_ASSERT(inset().asMathInset());
+ //inset().asMathInset()->getCursorDim(asc, des);
asc = 10;
des = 10;
- } else {
+ } 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
{
- BOOST_ASSERT(!empty());
x = 0;
y = 0;
- if (size() == 1) {
- x = bv().text()->cursorX(front());
- y = bv().text()->cursorY(front());
- } else {
- if (!inset()) {
- lyxerr << "#### LCursor::getPos: " << *this << endl;
- BOOST_ASSERT(inset());
- }
- 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.
- }
- //lyxerr << "#### LCursor::getPos: " << *this
- // << " x: " << x << " y: " << y << endl;
+ 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.
}
void LCursor::info(std::ostream & os) const
{
for (int i = 1, n = depth(); i < n; ++i) {
- operator[](i).inset()->infoize(os);
+ operator[](i).inset().infoize(os);
os << " ";
}
if (pos() != 0)
}
-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);
-}
-
-}
-
-
string LCursor::grabSelection()
{
if (!selection())
CursorSlice i2 = selEnd();
if (i1.idx_ == i2.idx_) {
- if (i1.inset()->asMathInset()) {
+ if (i1.inset().asMathInset()) {
MathArray::const_iterator it = i1.cell().begin();
return asString(MathArray(it + i1.pos_, it + i2.pos_));
} else {
region(i1, i2, r1, r2, c1, c2);
string data;
- if (i1.inset()->asMathInset()) {
+ if (i1.inset().asMathInset()) {
for (row_type row = r1; row <= r2; ++row) {
if (row > r1)
data += "\\\\";
CursorSlice const & i1 = selBegin();
CursorSlice const & i2 = selEnd();
#warning FIXME
- if (i1.inset()->asMathInset()) {
+ if (i1.inset().asMathInset()) {
if (i1.idx_ == i2.idx_) {
i1.cell().erase(i1.pos_, i2.pos_);
} else {
bool LCursor::isInside(InsetBase const * p)
{
for (unsigned i = 0; i < depth(); ++i)
- if (operator[](i).inset() == p)
+ if (&operator[](i).inset() == p)
return true;
return false;
}
// we can't move into anything new during selection
if (depth() == anchor_.size())
return false;
- if (!ptr_cmp(t.nucleus(), anchor_[depth()].inset()))
+ if (!ptr_cmp(t.nucleus(), &anchor_[depth()].inset()))
return false;
return true;
// 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())
+ if (&cursor[i].inset() != &anchor[i].inset())
return false;
// position should be ok.
void LCursor::setScreenPos(int x, int y)
{
- bool res = bruteFind(x, y, formula()->xlow(), formula()->xhigh(),
- formula()->ylow(), formula()->yhigh());
- if (!res) {
- // this can happen on creation of "math-display"
- idx() = 0;
- pos() = 0;
- }
- clearTargetX();
+ x_target() = x;
+ bruteFind(x, y, 0, bv().workWidth(), 0, bv().workHeight());
}
void LCursor::insert(string const & str)
{
lyxerr << "LCursor::insert str '" << str << "'" << endl;
- selClearOrDel();
-#if 0
for (string::const_iterator it = str.begin(); it != str.end(); ++it)
- plainInsert(MathAtom(new MathCharInset(*it)));
-#else
- MathArray ar;
- asArray(str, ar);
- insert(ar);
-#endif
+ insert(*it);
}
void LCursor::insert(char c)
{
//lyxerr << "LCursor::insert char '" << c << "'" << endl;
- selClearOrDel();
- plainInsert(MathAtom(new MathCharInset(c)));
+ BOOST_ASSERT(!empty());
+ if (inMathed()) {
+ selClearOrDel();
+ plainInsert(MathAtom(new MathCharInset(c)));
+ } else {
+ text()->insertChar(*this, c);
+ }
}
posLeft();
// be careful here: don't use 'pushLeft(t)' as this we need to
// push the clone, not the original
- pushLeft(nextAtom().nucleus());
+ pushLeft(*nextInset());
paste(safe);
}
}
}
if (pos() == 0) {
- if (inset()->nargs() == 1 && depth() == 1 && lastpos() == 0)
+ if (inset().nargs() == 1 && depth() == 1 && lastpos() == 0)
return false;
pullArg();
return true;
}
// delete empty cells if possible
- if (pos() == lastpos() && inset()->idxDelete(idx()))
+ if (pos() == lastpos() && inset().idxDelete(idx()))
return true;
// special behaviour when in last position of cell
if (pos() == lastpos()) {
- bool one_cell = inset()->nargs() == 1;
+ bool one_cell = inset().nargs() == 1;
if (one_cell && depth() == 1 && lastpos() == 0)
return false;
// remove markup
if (one_cell)
pullArg();
else
- inset()->idxGlue(idx());
+ inset().idxGlue(idx());
return true;
}
- if (pos() != lastpos() && inset()->nargs() > 0) {
+ if (pos() != lastpos() && inset().nargs() > 0) {
selection() = true;
++pos();
} else {
asArray(grabAndEraseSelection(), t.nucleus()->cell(c));
insert(t);
posLeft();
- pushLeft(nextAtom().nucleus());
+ pushLeft(*nextInset());
}
}
-MathHullInset * LCursor::formula() const
-{
- for (int i = size() - 1; i >= 1; --i) {
- MathInset * inset = operator[](i).inset()->asMathInset();
- if (inset && inset->asHullInset())
- return static_cast<MathHullInset *>(inset);
- }
- return 0;
-}
-
-
void LCursor::adjust(pos_type from, int diff)
{
if (pos() > from)
MathGridInset * LCursor::enclosingGrid(idx_type & idx) const
{
for (MathInset::difference_type i = depth() - 1; i >= 0; --i) {
- MathInset * m = operator[](i).inset()->asMathInset();
+ MathInset * m = operator[](i).inset().asMathInset();
if (!m)
return 0;
MathGridInset * p = m->asGridInset();
if (idx() >= nargs()) {
lyxerr << "this should not really happen - 1: "
<< idx() << ' ' << nargs()
- << " in: " << inset() << endl;
+ << " in: " << &inset() << endl;
}
idx() = min(idx(), lastidx());
<< pos() << ' ' << lastpos() << " in idx: " << idx()
<< " in atom: '";
WriteStream wi(lyxerr, false, true);
- inset()->asMathInset()->write(wi);
+ inset().asMathInset()->write(wi);
lyxerr << endl;
}
pos() = min(pos(), lastpos());
// fragile. A distance of one pixel or a '<' vs '<=' _really
// matters. So fiddle around with it only if you think you know
// what you are doing!
+
int xo = 0;
int yo = 0;
getPos(xo, yo);
}
// try current cell for e.g. text insets
- if (inset()->idxUpDown2(*this, up))
+ if (inset().idxUpDown2(*this, up))
return true;
//xarray().boundingBox(xlow, xhigh, ylow, yhigh);
// try to find an inset that knows better then we
while (1) {
- //lyxerr << "updown: We are in " << inset() << " idx: " << idx() << endl;
+ //lyxerr << "updown: We are in " << &inset() << " idx: " << idx() << endl;
// ask inset first
- if (inset()->idxUpDown(*this, up)) {
+ if (inset().idxUpDown(*this, up)) {
// try to find best position within this inset
if (!selection())
bruteFind2(xo, yo);
// no such inset found, just take something "above"
//lyxerr << "updown: handled by strange case" << endl;
if (!popLeft()) {
- return
- bruteFind(xo, yo,
- formula()->xlow(),
- formula()->xhigh(),
- up ? formula()->ylow() : yo + 4,
- up ? yo - 4 : formula()->yhigh()
- );
+ int ylow = up ? 0 : yo + 1;
+ int yhigh = up ? yo - 1 : bv().workHeight();
+ return bruteFind(xo, yo, 0, bv().workWidth(), ylow, yhigh);
}
// any improvement so far?
bool LCursor::bruteFind(int x, int y, int xlow, int xhigh, int ylow, int yhigh)
{
- DocumentIterator best_cursor(bv());
- double best_dist = 1e10;
-
- DocumentIterator it = bufferBegin(bv());
- DocumentIterator et = bufferEnd();
- while (1) {
+ BOOST_ASSERT(!empty());
+ ParagraphList::iterator beg;
+ ParagraphList::iterator end;
+ CursorSlice bottom = operator[](0);
+ LyXText * text = bottom.text();
+ BOOST_ASSERT(text);
+ getParsInRange(text->paragraphs(), ylow, yhigh, beg, end);
+
+ DocumentIterator it = insetBegin(bv().buffer()->inset());
+ DocumentIterator et;
+ lyxerr << "x: " << x << " y: " << y << endl;
+ lyxerr << "xlow: " << xlow << " ylow: " << ylow << endl;
+ lyxerr << "xhigh: " << xhigh << " yhigh: " << yhigh << endl;
+
+ it.par() = text->parOffset(beg);
+ //et.par() = text->parOffset(end);
+
+ double best_dist = 10e10;
+ DocumentIterator best_cursor = it;
+
+ for ( ; it != et; it.forwardPos()) {
// avoid invalid nesting when selecting
if (!selection() || positionable(it, anchor_)) {
- int xo, yo;
+ int xo = 0, yo = 0;
CursorSlice & cur = it.back();
- cur.inset()->getCursorPos(cur, xo, yo);
+ 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 << "x: " << x << " y: " << y << " d: " << endl;
+ 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;
}
}
}
-
- if (it == et)
- break;
- it.forwardPos();
}
+ lyxerr << "best_dist: " << best_dist << " cur:\n" << best_cursor << endl;
if (best_dist < 1e10)
setCursor(best_cursor, false);
return best_dist < 1e10;
for (int i = 0; ; ++i) {
int xo, yo;
CursorSlice & cur = it.back();
- cur.inset()->getCursorPos(cur, xo, yo);
+ 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'
}
-/*
-DispatchResult dispatch(LCursor & cur, FuncRequest const & cmd)
-{
- // mouse clicks are somewhat special
- // check
- switch (cmd.action) {
- case LFUN_MOUSE_PRESS:
- case LFUN_MOUSE_MOTION:
- case LFUN_MOUSE_RELEASE:
- case LFUN_MOUSE_DOUBLE: {
- CursorSlice & pos = back();
- int x = 0;
- int y = 0;
- getPos(x, y);
- if (x < cmd.x && pos() != 0) {
- DispatchResult const res = prevAtom().nucleus()->dispatch(cmd);
- if (res.dispatched())
- return res;
- }
- if (x > cmd.x && pos() != lastpos()) {
- DispatchResult const res = inset()->dispatch(cmd);
- if (res.dispatched())
- return res;
- }
- }
- default:
- break;
- }
-}
-*/
-
-
void LCursor::handleFont(string const & font)
{
lyxerr << "LCursor::handleFont: " << font << endl;
return result;
}
-#warning an mathed?
+#warning and mathed?
return string();
}
info(os);
return os.str();
}
- return text() ? text()->currentState(*this) : string();
+
+ if (inTexted())
+ return text()->currentState(*this);
+
+ return string();
}
}
-void LCursor::undispatched()
+Encoding const * LCursor::getEncoding() const
{
- disp_.dispatched(false);
+ if (empty())
+ return 0;
+ if (!bv().buffer())
+ return 0;
+ 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)
+ if (operator[](s).text())
+ break;
+ CursorSlice const & sl = operator[](s);
+ LyXText & text = *sl.text();
+ ParagraphList::iterator pit = text.getPar(sl.par());
+ LyXFont font = pit->getFont(
+ bv().buffer()->params(), sl.pos(), outerFont(pit, text.paragraphs()));
+ return font.language()->encoding();
}
-void LCursor::dispatched(dispatch_result_t res)
+void LCursor::undispatched()
{
- disp_.val(res);
+ disp_.dispatched(false);
}
{
disp_.update(false);
}
-
-
-void LCursor::noPop()
-{
- nopop_ = true;
-}
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