#include "BufferView.h"
#include "buffer.h"
#include "cursor.h"
+#include "CutAndPaste.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 "lyxtext.h"
#include "paragraph.h"
#include "paragraph_funcs.h"
+#include "pariterator.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"
#include <boost/assert.hpp>
+using lyx::par_type;
+
using std::string;
using std::vector;
using std::endl;
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_(&bv), anchor_(),
cached_y_(0), x_target_(-1), selection_(false), mark_(false)
{}
-void LCursor::reset()
+void LCursor::reset(InsetBase & inset)
{
clear();
- push_back(CursorSlice());
+ push_back(CursorSlice(inset));
anchor_.clear();
- anchor_.push_back(CursorSlice());
cached_y_ = 0;
clearTargetX();
selection_ = false;
DispatchResult LCursor::dispatch(FuncRequest const & cmd0)
{
- //lyxerr << "\nLCursor::dispatch: cmd: " << cmd0 << endl << *this << endl;
+ lyxerr << "\nLCursor::dispatch: cmd: " << cmd0 << endl << *this << endl;
if (empty())
- return DispatchResult(false);
+ return DispatchResult();
- BOOST_ASSERT(pos() <= lastpos());
- BOOST_ASSERT(idx() <= lastidx());
- BOOST_ASSERT(par() <= lastpar());
FuncRequest cmd = cmd0;
- nopop_ = false;
- DocumentIterator orig = *this;
- disp_.update(true);
- disp_.val(NONE);
-
- // 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;
+ 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;
}
- pop();
- 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 (!disp_.dispatched()) {
+ lyxerr << "RESTORING OLD CURSOR!" << endl;
+ 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
+ // 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.
- bool const res = inset().getStatus(*this, cmd, status);
- if (res) {
- setCursor(orig, false);
- return true;
+ if (inset().getStatus(*this, cmd, status)) {
+ res = true;
+ break;
}
}
- bool const res = bv().text()->getStatus(*this, cmd, status);
- setCursor(orig, false);
+ operator=(safe);
return res;
}
{
BOOST_ASSERT(size() >= 1);
pop_back();
- anchor_.pop_back();
}
{
BOOST_ASSERT(!empty());
//lyxerr << "Leaving inset to the left" << endl;
- if (depth() <= 1) {
- if (depth() == 1)
- inset().notifyCursorLeaves(idx());
- return false;
- }
inset().notifyCursorLeaves(idx());
+ if (depth() == 1)
+ return false;
pop();
return true;
}
{
BOOST_ASSERT(!empty());
//lyxerr << "Leaving inset to the right" << endl;
- if (depth() <= 1) {
- if (depth() == 1)
- inset().notifyCursorLeaves(idx());
- return false;
- }
inset().notifyCursorLeaves(idx());
+ if (depth() == 1)
+ return false;
pop();
++pos();
return true;
int LCursor::currentMode()
{
BOOST_ASSERT(!empty());
- for (int i = size() - 1; i >= 1; --i) {
+ for (int i = size() - 1; i >= 0; --i) {
int res = operator[](i).inset().currentMode();
- if (res != MathInset::UNDECIDED_MODE)
+ if (res != InsetBase::UNDECIDED_MODE)
return res;
}
- return MathInset::TEXT_MODE;
+ return InsetBase::TEXT_MODE;
}
void LCursor::getDim(int & asc, int & des) const
{
- BOOST_ASSERT(!empty());
if (inMathed()) {
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 (!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.
- }
- //lyxerr << "#### LCursor::getPos: " << *this
- // << " x: " << x << " y: " << y << endl;
+ // 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.
}
CursorSlice & LCursor::anchor()
{
+ BOOST_ASSERT(!anchor_.empty());
return anchor_.back();
}
CursorSlice const & LCursor::anchor() const
{
+ BOOST_ASSERT(!anchor_.empty());
return anchor_.back();
}
}
-CursorSlice & LCursor::selBegin()
+CursorSlice const & LCursor::selEnd() const
{
if (!selection())
return back();
- // can't use std::min as this returns a const ref
- return anchor() < back() ? anchor() : back();
+ return anchor() > back() ? anchor() : back();
}
-CursorSlice const & LCursor::selEnd() const
+DocumentIterator LCursor::selectionBegin() const
{
if (!selection())
- return back();
- return anchor() > back() ? anchor() : back();
+ return *this;
+ return anchor() < back() ? anchor_ : *this;
}
-CursorSlice & LCursor::selEnd()
+DocumentIterator LCursor::selectionEnd() const
{
if (!selection())
- return back();
- // can't use std::min as this returns a const ref
- return anchor() > back() ? anchor() : back();
+ return *this;
+ return anchor() > back() ? anchor_ : *this;
}
}
-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 i1 = selBegin();
CursorSlice i2 = selEnd();
- if (i1.idx_ == i2.idx_) {
+ 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_));
+ return asString(MathArray(it + i1.pos(), it + i2.pos()));
} else {
return "unknown selection 1";
}
CursorSlice const & i2 = selEnd();
#warning FIXME
if (i1.inset().asMathInset()) {
- if (i1.idx_ == i2.idx_) {
- i1.cell().erase(i1.pos_, i2.pos_);
+ if (i1.idx() == i2.idx()) {
+ i1.cell().erase(i1.pos(), i2.pos());
} else {
MathInset * p = i1.asMathInset();
row_type r1, r2;
std::ostream & operator<<(std::ostream & os, LCursor const & cur)
{
- for (size_t i = 0, n = cur.size(); i != n; ++i)
- os << " " << cur.operator[](i) << " | " << cur.anchor_[i] << "\n";
- os << " selection: " << cur.selection_ << endl;
+ for (size_t i = 0, n = cur.size(); i != n; ++i) {
+ os << " " << cur.operator[](i) << " | ";
+ if (i < cur.anchor_.size())
+ os << cur.anchor_[i];
+ else
+ os << "-------------------------------";
+ os << "\n";
+ }
+ for (size_t i = cur.size(), n = cur.anchor_.size(); i < n; ++i) {
+ os << "------------------------------- | " << cur.anchor_[i] << "\n";
+ }
+ os << " selection: " << cur.selection_
+ << " x_target: " << cur.x_target_ << endl;
return os;
}
return true;
// we can't move into anything new during selection
- if (depth() == anchor_.size())
+ if (depth() >= anchor_.size())
return false;
if (!ptr_cmp(t.nucleus(), &anchor_[depth()].inset()))
return false;
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);
+ }
}
}
-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)
pos() += diff;
- if (anchor().pos_ > from)
- anchor().pos_ += diff;
+ if (anchor().pos() > from)
+ anchor().pos() += diff;
// just to be on the safe side
// theoretically unecessary
normalize();
return 0;
MathGridInset * p = m->asGridInset();
if (p) {
- idx = operator[](i).idx_;
+ idx = operator[](i).idx();
return p;
}
}
// 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);
// 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;
- double best_dist = 1e10;
+ 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);
- DocumentIterator it = insetBegin(bv().buffer()->inset());
- DocumentIterator et = insetEnd();
- while (1) {
+ DocumentIterator it(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() = 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);
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;
DocumentIterator it = *this;
it.back().pos() = 0;
DocumentIterator et = *this;
- et.back().pos() = et.back().asMathInset()->cell(et.back().idx_).size();
+ et.back().pos() = et.back().asMathInset()->cell(et.back().idx()).size();
for (int i = 0; ; ++i) {
int xo, yo;
CursorSlice & cur = it.back();
if (inTexted()) {
Buffer const & buffer = *bv().buffer();
+ ParagraphList & pars = text()->paragraphs();
// should be const ...
- ParagraphList::iterator startpit = text()->getPar(selBegin());
- ParagraphList::iterator endpit = text()->getPar(selEnd());
+ par_type startpit = selBegin().par();
+ par_type endpit = selEnd().par();
size_t const startpos = selBegin().pos();
size_t const endpos = selEnd().pos();
if (startpit == endpit)
- return startpit->asString(buffer, startpos, endpos, label);
+ return pars[startpit].asString(buffer, startpos, endpos, label);
// First paragraph in selection
- string result =
- startpit->asString(buffer, startpos, startpit->size(), label) + "\n\n";
+ string result = pars[startpit].
+ asString(buffer, startpos, pars[startpit].size(), label) + "\n\n";
// The paragraphs in between (if any)
- ParagraphList::iterator pit = startpit;
- for (++pit; pit != endpit; ++pit)
- result += pit->asString(buffer, 0, pit->size(), label) + "\n\n";
+ for (par_type pit = startpit + 1; pit != endpit; ++pit) {
+ Paragraph & par = pars[pit];
+ result += par.asString(buffer, 0, par.size(), label) + "\n\n";
+ }
// Last paragraph in selection
- result += endpit->asString(buffer, 0, endpos, label);
+ result += pars[endpit].asString(buffer, 0, endpos, label);
return result;
}
}
-// only used by the spellchecker
-void LCursor::replaceWord(string const & replacestring)
-{
- LyXText * t = text();
- BOOST_ASSERT(t);
-
- t->replaceSelectionWithString(*this, replacestring);
- t->setSelectionRange(*this, replacestring.length());
-
- // Go back so that replacement string is also spellchecked
- for (string::size_type i = 0; i < replacestring.length() + 1; ++i)
- t->cursorLeft(*this);
-}
-
-
-void LCursor::update()
-{
- bv().update();
-}
-
-
string LCursor::getPossibleLabel()
{
return inMathed() ? "eq:" : text()->getPossibleLabel(*this);
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()));
+ LyXFont font = text.getPar(sl.par()).getFont(
+ bv().buffer()->params(), sl.pos(), outerFont(sl.par(), text.paragraphs()));
return font.language()->encoding();
}
}
-void LCursor::dispatched(dispatch_result_t res)
+void LCursor::dispatched()
{
- disp_.val(res);
+ disp_.dispatched(true);
}
{
disp_.update(false);
}
-
-
-void LCursor::noPop()
-{
- nopop_ = true;
-}
projects / lyx.git / blobdiff