#include <config.h>
-#include "buffer.h"
#include "BufferView.h"
+#include "buffer.h"
#include "cursor.h"
+#include "coordcache.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 "lyxfunc.h" // only for setMessage()
#include "lyxrc.h"
#include "lyxrow.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 "mathed/math_macrotable.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::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;
-
-
-LCursor::LCursor(BufferView & bv)
- : cursor_(1), anchor_(1), bv_(&bv), current_(0),
- cached_y_(0), x_target_(-1),
- selection_(false), mark_(false)
-{}
-
-
-void LCursor::reset()
-{
- cursor_.clear();
- anchor_.clear();
- cursor_.push_back(CursorSlice());
- anchor_.push_back(CursorSlice());
- current_ = 0;
- cached_y_ = 0;
- clearTargetX();
- selection_ = false;
- mark_ = false;
-}
+ // 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;
+ }
-DispatchResult LCursor::dispatch(FuncRequest const & cmd0)
-{
- //lyxerr << "\nLCursor::dispatch: cmd: " << cmd0 << endl << *this << endl;
- FuncRequest cmd = cmd0;
- for (int i = cursor_.size() - 1; i >= 1; --i) {
- current_ = i;
- CursorSlice const & citem = cursor_[i];
- lyxerr << "trying to dispatch to inset " << citem.inset_ << endl;
- DispatchResult res = inset()->dispatch(*this, cmd);
- if (res.dispatched()) {
- lyxerr << " successfully dispatched to inset " << citem.inset_ << endl;
- return DispatchResult(true, true);
- }
- // remove one level of cursor
- switch (res.val()) {
- case FINISHED:
- pop(i);
- cmd = FuncRequest(LFUN_FINISHED_LEFT);
- break;
- case FINISHED_RIGHT:
- pop(i);
- cmd = FuncRequest(LFUN_FINISHED_RIGHT);
- break;
- case FINISHED_UP:
- pop(i);
- cmd = FuncRequest(LFUN_FINISHED_UP);
- break;
- case FINISHED_DOWN:
- pop(i);
- cmd = FuncRequest(LFUN_FINISHED_DOWN);
- break;
- default:
- lyxerr << "not handled on level " << i << " val: " << res.val() << endl;
+ // 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;
}
- lyxerr << "trying to dispatch to main text " << bv_->text() << endl;
- DispatchResult res = bv_->text()->dispatch(*this, cmd);
- lyxerr << " result: " << res.val() << endl;
- return res;
-}
-
-
-void LCursor::push(InsetBase * inset)
-{
- lyxerr << "LCursor::push() inset: " << inset << endl;
- cursor_.push_back(CursorSlice(inset));
- anchor_.push_back(CursorSlice(inset));
- ++current_;
- updatePos();
-}
-void LCursor::pop(int depth)
-{
- //lyxerr << "LCursor::pop() to depth " << depth << endl;
- while (int(cursor_.size()) > depth)
- pop();
-}
+ /// 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;
+ }
-void LCursor::pop()
-{
- BOOST_ASSERT(!cursor_.empty());
- //lyxerr << "LCursor::pop() a level" << endl;
- if (cursor_.size() <= 1)
- lyxerr << "### TRYING TO POP FROM EMPTY CURSOR" << endl;
- else {
- cursor_.pop_back();
- anchor_.pop_back();
- current_ = cursor_.size() - 1;
+ return false;
}
- //lyxerr << "LCursor::pop() current now: " << current_ << endl;
-}
+} // namespace anon
-void LCursor::pushLeft(InsetBase * p)
-{
- BOOST_ASSERT(!cursor_.empty());
- //lyxerr << "Entering inset " << t << " left" << endl;
- push(p);
- p->idxFirst(*this);
-}
-
-bool LCursor::popLeft()
-{
- BOOST_ASSERT(!cursor_.empty());
- //lyxerr << "Leaving inset to the left" << endl;
- if (depth() <= 1) {
- if (depth() == 1)
- inset()->notifyCursorLeaves(idx());
- return false;
- }
- inset()->notifyCursorLeaves(idx());
- pop();
- return true;
-}
+// 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), logicalpos_(false)
+{}
-bool LCursor::popRight()
+void LCursor::reset(InsetBase & inset)
{
- BOOST_ASSERT(!cursor_.empty());
- //lyxerr << "Leaving inset to the right" << endl;
- if (depth() <= 1) {
- if (depth() == 1)
- inset()->notifyCursorLeaves(idx());
- return false;
- }
- inset()->notifyCursorLeaves(idx());
- pop();
- posRight();
- return true;
+ clear();
+ push_back(CursorSlice(inset));
+ anchor_ = DocIterator(inset);
+ clearTargetX();
+ selection_ = false;
+ mark_ = false;
}
-CursorSlice & LCursor::current()
+// this (intentionally) does neither touch anchor nor selection status
+void LCursor::setCursor(DocIterator const & cur)
{
- BOOST_ASSERT(!cursor_.empty());
- //lyxerr << "accessing cursor slice " << current_
- // << ": " << cursor_[current_] << endl;
- return cursor_[current_];
+ DocIterator::operator=(cur);
}
-CursorSlice const & LCursor::current() const
+void LCursor::dispatch(FuncRequest const & cmd0)
{
- //lyxerr << "accessing cursor slice " << current_
- // << ": " << cursor_[current_] << endl;
- return cursor_[current_];
-}
-
+ lyxerr[Debug::DEBUG] << BOOST_CURRENT_FUNCTION
+ << " cmd: " << cmd0 << '\n'
+ << *this << endl;
+ if (empty())
+ return;
-int LCursor::currentMode()
-{
- BOOST_ASSERT(!cursor_.empty());
- for (int i = cursor_.size() - 1; i >= 1; --i) {
- int res = cursor_[i].inset()->currentMode();
- if (res != MathInset::UNDECIDED_MODE)
- return res;
+ fixIfBroken();
+ FuncRequest cmd = cmd0;
+ LCursor safe = *this;
+
+ for (; depth(); pop()) {
+ lyxerr[Debug::DEBUG] << "LCursor::dispatch: cmd: "
+ << cmd0 << endl << *this << endl;
+ BOOST_ASSERT(pos() <= lastpos());
+ BOOST_ASSERT(idx() <= lastidx());
+ 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.
+ // 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;
}
- return MathInset::TEXT_MODE;
-}
-
-
-LyXText * LCursor::innerText() const
-{
- BOOST_ASSERT(!cursor_.empty());
- //lyxerr << "LCursor::innerText() depth: " << cursor_.size() << endl;
- if (cursor_.size() > 1) {
- // go up until first non-0 text is hit
- // (innermost text is 0 in mathed)
- for (int i = cursor_.size() - 1; i >= 1; --i)
- if (cursor_[i].text())
- return cursor_[i].text();
+ // it completely to get a 'bomb early' behaviour in case this
+ // object will be used again.
+ if (!disp_.dispatched()) {
+ lyxerr[Debug::DEBUG] << "RESTORING OLD CURSOR!" << endl;
+ operator=(safe);
+ disp_.dispatched(false);
}
- return bv_->text();
}
-CursorSlice const & LCursor::innerTextSlice() const
+DispatchResult LCursor::result() const
{
- BOOST_ASSERT(!cursor_.empty());
- //lyxerr << "LCursor::innerTextSlice() depth: " << cursor_.size() << endl;
- if (cursor_.size() > 1) {
- // go up until first non-0 text is hit
- // (innermost text is 0 in mathed)
- for (int i = cursor_.size() - 1; i >= 1; --i)
- if (cursor_[i].text())
- return cursor_[i];
- }
- return cursor_[0];
+ return disp_;
}
-void LCursor::updatePos()
+BufferView & LCursor::bv() const
{
- BOOST_ASSERT(!cursor_.empty());
- if (cursor_.size() > 1)
- cached_y_ = bv_->top_y() + cursor_.back().inset()->yo();
- //cached_y_ = cursor_.back().inset()->yo();
+ BOOST_ASSERT(bv_);
+ return *bv_;
}
-void LCursor::getDim(int & asc, int & des) const
+Buffer & LCursor::buffer() const
{
- BOOST_ASSERT(!cursor_.empty());
- LyXText * text = innerText();
-#warning crashes with text-in-math
- if (0 && text) {
- RowList::iterator const rit = text->cursorRow();
- if (rit != text->endRow()) {
- asc = rit->baseline();
- des = rit->height() - asc;
- } else {
- asc = 10;
- des = 10;
- }
- } else {
- asc = 10;
- des = 10;
- //innerInset()->getCursorDim(asc, des);
- }
+ BOOST_ASSERT(bv_);
+ BOOST_ASSERT(bv_->buffer());
+ return *bv_->buffer();
}
-void LCursor::getPos(int & x, int & y) const
+void LCursor::pop()
{
- BOOST_ASSERT(!cursor_.empty());
- x = 0;
- y = 0;
- if (cursor_.size() <= 1) {
- x = bv_->text()->cursorX(cursor_.front());
- y = bv_->text()->cursorY(cursor_.front());
- } else {
- inset()->getCursorPos(cursor_.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: x: " << x << " y: " << y << endl;
+ BOOST_ASSERT(depth() >= 1);
+ pop_back();
}
-void LCursor::paste(string const & data)
+void LCursor::push(InsetBase & p)
{
- dispatch(FuncRequest(LFUN_PASTE, data));
+ push_back(CursorSlice(p));
}
-InsetBase * LCursor::innerInsetOfType(int code) const
+void LCursor::pushLeft(InsetBase & p)
{
- for (int i = cursor_.size() - 1; i >= 1; --i)
- if (cursor_[i].inset_->lyxCode() == code)
- return cursor_[i].inset_;
- return 0;
+ BOOST_ASSERT(!empty());
+ //lyxerr << "Entering inset " << t << " left" << endl;
+ push(p);
+ p.idxFirst(*this);
}
-InsetTabular * LCursor::innerInsetTabular() const
+bool LCursor::popLeft()
{
- return static_cast<InsetTabular *>(innerInsetOfType(InsetBase::TABULAR_CODE));
+ BOOST_ASSERT(!empty());
+ //lyxerr << "Leaving inset to the left" << endl;
+ inset().notifyCursorLeaves(*this);
+ if (depth() == 1)
+ return false;
+ pop();
+ return true;
}
-void LCursor::resetAnchor()
+bool LCursor::popRight()
{
- anchor_ = cursor_;
+ BOOST_ASSERT(!empty());
+ //lyxerr << "Leaving inset to the right" << endl;
+ inset().notifyCursorLeaves(*this);
+ if (depth() == 1)
+ return false;
+ pop();
+ ++pos();
+ return true;
}
-BufferView & LCursor::bv() const
+int LCursor::currentMode()
{
- return *bv_;
+ BOOST_ASSERT(!empty());
+ for (int i = depth() - 1; i >= 0; --i) {
+ int res = operator[](i).inset().currentMode();
+ if (res != InsetBase::UNDECIDED_MODE)
+ return res;
+ }
+ return InsetBase::TEXT_MODE;
}
-MathAtom const & LCursor::prevAtom() const
+void LCursor::getPos(int & x, int & y) const
{
- BOOST_ASSERT(pos() > 0);
- return cell()[pos() - 1];
+ Point p = bv_funcs::getPos(*this, boundary());
+ x = p.x_;
+ y = p.y_;
}
-MathAtom & LCursor::prevAtom()
+void LCursor::paste(string const & data)
{
- BOOST_ASSERT(pos() > 0);
- return cell()[pos() - 1];
+ dispatch(FuncRequest(LFUN_PASTE, data));
}
-MathAtom const & LCursor::nextAtom() const
+void LCursor::resetAnchor()
{
- BOOST_ASSERT(pos() < lastpos());
- return cell()[pos()];
+ anchor_ = *this;
}
-MathAtom & LCursor::nextAtom()
-{
- BOOST_ASSERT(pos() < lastpos());
- return cell()[pos()];
-}
-
bool LCursor::posLeft()
{
}
-CursorSlice & LCursor::anchor()
-{
- return anchor_.back();
-}
-
-
-CursorSlice const & LCursor::anchor() const
+CursorSlice LCursor::anchor() const
{
- 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 cursor_.back();
- // can't use std::min as this creates a new object
- return anchor() < cursor_.back() ? anchor() : cursor_.back();
+ return top();
+ return anchor() < top() ? anchor() : top();
}
-CursorSlice & LCursor::selBegin()
+CursorSlice LCursor::selEnd() const
{
if (!selection())
- return cursor_.back();
- return anchor() < cursor_.back() ? anchor() : cursor_.back();
+ return top();
+ return anchor() > top() ? anchor() : top();
}
-CursorSlice const & LCursor::selEnd() const
+DocIterator LCursor::selectionBegin() const
{
if (!selection())
- return cursor_.back();
- return anchor() > cursor_.back() ? anchor() : cursor_.back();
+ return *this;
+ return anchor() < top() ? anchor_ : *this;
}
-CursorSlice & LCursor::selEnd()
+DocIterator LCursor::selectionEnd() const
{
- if (selection())
- return cursor_.back();
- return anchor() > cursor_.back() ? anchor() : cursor_.back();
+ if (!selection())
+ return *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(CursorBase const & where, size_t n)
+void LCursor::setSelection(DocIterator const & where, size_t n)
{
+ setCursor(where);
selection() = true;
- cursor_ = where;
anchor_ = where;
pos() += n;
+ // Open all collapsed insets
+ for (int i = depth() - 1; i >= 0; --i)
+ operator[](i).inset().setStatus(*this, InsetBase::Open);
}
}
-LyXText * LCursor::text() const
-{
- return current_ ? current().text() : bv_->text();
-}
-
-
-Paragraph & LCursor::paragraph()
-{
- BOOST_ASSERT(!inMathed());
- return current_ ? current().paragraph() : *bv_->text()->getPar(par());
-}
-
-
-Paragraph const & LCursor::paragraph() const
-{
- BOOST_ASSERT(!inMathed());
- return current_ ? current().paragraph() : *bv_->text()->getPar(par());
-}
-
-
-LCursor::par_type LCursor::lastpar() const
-{
- return inMathed() ? 0 : text()->paragraphs().size() - 1;
-}
-
-
-LCursor::pos_type LCursor::lastpos() const
-{
- InsetBase * inset = current().inset();
- return inset && inset->asMathInset() ? cell().size() : paragraph().size();
-}
-
-
-LCursor::row_type LCursor::crow() const
-{
- return paragraph().row(pos());
-}
-
-
-LCursor::row_type LCursor::lastcrow() const
-{
- return paragraph().rows.size();
-}
-
-
-size_t LCursor::nargs() const
-{
- // assume 1x1 grid for 'plain text'
- return current_ ? current().nargs() : 1;
-}
-
-
-size_t LCursor::ncols() const
-{
- // assume 1x1 grid for 'plain text'
- return current_ ? current().ncols() : 1;
-}
-
-
-size_t LCursor::nrows() const
-{
- // assume 1x1 grid for 'plain text'
- return current_ ? current().nrows() : 1;
-}
-
-
-LCursor::row_type LCursor::row() const
-{
- BOOST_ASSERT(current_ > 0);
- return current().row();
-}
-
-
-LCursor::col_type LCursor::col() const
-{
- BOOST_ASSERT(current_ > 0);
- return current().col();
-}
-
-
-MathArray const & LCursor::cell() const
-{
- BOOST_ASSERT(current_ > 0);
- return current().cell();
-}
-
-
-MathArray & LCursor::cell()
-{
- BOOST_ASSERT(current_ > 0);
- return current().cell();
-}
-
-void LCursor::info(std::ostream & os)
+void LCursor::info(std::ostream & os) const
{
for (int i = 1, n = depth(); i < n; ++i) {
- cursor_[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())
- 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()
-{
- CursorSlice i1 = selBegin();
- CursorSlice i2 = selEnd();
-#warning FIXME
- 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();
- }
- current() = i1;
- } else {
- lyxerr << "can't erase this selection 1" << 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()
-{
- 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::selStart()
-{
resetAnchor();
- selection() = true;
-}
-
-
-void LCursor::selClearOrDel()
-{
- if (lyxrc.auto_region_delete)
- selDel();
- else
- selection() = false;
+ selection() = sel;
}
std::ostream & operator<<(std::ostream & os, LCursor const & cur)
{
- os << "\n";
- for (size_t i = 0, n = cur.cursor_.size(); i != n; ++i)
- os << " (" << cur.cursor_[i] << " | " << cur.anchor_[i] << "\n";
- return os << "current: " << cur.current_ << endl;
-}
-
-
-
-
-//
-// CursorBase
-//
-
-
-void increment(CursorBase & it)
-{
- CursorSlice & top = it.back();
- MathArray & ar = top.asMathInset()->cell(top.idx_);
-
- // move into the current inset if possible
- // it is impossible for pos() == size()!
- MathInset * n = 0;
- if (top.pos() != top.lastpos())
- n = (ar.begin() + top.pos_)->nucleus();
- if (n && n->isActive()) {
- it.push_back(CursorSlice(n));
- return;
- }
-
- // otherwise move on one cell back if possible
- if (top.pos() < top.lastpos()) {
- // pos() == lastpos() is valid!
- ++top.pos_;
- return;
+ 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";
}
-
- // otherwise try to move on one cell if possible
- while (top.idx() < top.lastidx()) {
- ++top.idx_;
- if (top.asMathInset()->validCell(top.idx_)) {
- top.pos_ = 0;
- return;
- }
+ for (size_t i = cur.depth(), n = cur.anchor_.depth(); i < n; ++i) {
+ os << "------------------------------- | " << cur.anchor_[i] << "\n";
}
-
- // otherwise leave array, move on one back
- // this might yield pos() == size(), but that's a ok.
- it.pop_back();
- // it certainly invalidates top
- ++it.back().pos_;
-}
-
-
-CursorBase ibegin(InsetBase * p)
-{
- CursorBase it;
- it.push_back(CursorSlice(p));
- return it;
-}
-
-
-CursorBase iend(InsetBase * p)
-{
- CursorBase it;
- it.push_back(CursorSlice(p));
- CursorSlice & cur = it.back();
- cur.idx() = cur.lastidx();
- cur.pos() = cur.lastpos();
- return it;
+ os << " selection: " << cur.selection_
+ << " x_target: " << cur.x_target_ << endl;
+ return os;
}
//
// The part below is the non-integrated rest of the original math
// cursor. This should be either generalized for texted or moved
-// back to the math insets.
+// back to mathed (in most cases to MathNestInset).
//
///////////////////////////////////////////////////////////////////
-#include "mathed/math_braceinset.h"
#include "mathed/math_charinset.h"
-#include "mathed/math_commentinset.h"
#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_spaceinset.h"
#include "mathed/math_support.h"
#include "mathed/math_unknowninset.h"
bool LCursor::isInside(InsetBase const * p)
{
- for (unsigned i = 0; i < depth(); ++i)
- if (cursor_[i].inset() == p)
+ for (size_t i = 0; i != depth(); ++i)
+ if (&operator[](i).inset() == p)
return true;
return false;
}
-bool LCursor::openable(MathAtom const & t)
-{
- if (!t->isActive())
- return false;
-
- if (t->lock())
- return false;
-
- if (!selection())
- return true;
-
- // we can't move into anything new during selection
- if (depth() == anchor_.size())
- return false;
- if (t.nucleus() != anchor_[depth()].inset())
- return false;
-
- return true;
-}
-
-
-bool LCursor::inNucleus()
-{
- return inset()->asMathInset()->asScriptInset() && idx() == 2;
-}
-
-
-bool LCursor::left()
-{
- autocorrect() = false;
- clearTargetX();
- if (inMacroMode()) {
- macroModeClose();
- return true;
- }
-
- if (pos() != 0 && openable(prevAtom())) {
- posLeft();
- push(nextAtom().nucleus());
- inset()->idxLast(*this);
- return true;
- }
-
- return posLeft() || idxLeft() || popLeft() || selection();
-}
-
-
-bool LCursor::right()
-{
- autocorrect() = false;
- clearTargetX();
- if (inMacroMode()) {
- macroModeClose();
- return true;
- }
-
- if (pos() != lastpos() && openable(nextAtom())) {
- pushLeft(nextAtom().nucleus());
- inset()->idxFirst(*this);
- return true;
- }
-
- return posRight() || idxRight() || popRight() || selection();
-}
-
-
-bool positionable(CursorBase const & cursor, CursorBase const & anchor)
+void LCursor::leaveInset(InsetBase const & inset)
{
- // 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;
+ for (size_t i = 0; i != depth(); ++i) {
+ if (&operator[](i).inset() == &inset) {
+ resize(i);
+ return;
+ }
+ }
}
-void LCursor::setScreenPos(int x, int y)
+bool LCursor::openable(MathAtom const & t) const
{
- 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();
-}
+ if (!t->isActive())
+ return false;
+
+ if (t->lock())
+ return false;
+ if (!selection())
+ return true;
+ // we can't move into anything new during selection
+ if (depth() >= anchor_.depth())
+ return false;
+ if (!ptr_cmp(t.nucleus(), &anchor_[depth()].inset()))
+ return false;
-bool LCursor::home()
-{
- autocorrect() = false;
- macroModeClose();
- if (!inset()->idxHome(*this))
- return popLeft();
- clearTargetX();
return true;
}
-bool LCursor::end()
+void LCursor::setScreenPos(int x, int y)
{
- autocorrect() = false;
- macroModeClose();
- if (!inset()->idxEnd(*this))
- return popRight();
- clearTargetX();
- return true;
+ x_target() = x;
+ bruteFind(*this, x, y, 0, bv().workWidth(), 0, bv().workHeight());
}
+
void LCursor::plainErase()
{
cell().erase(pos());
void LCursor::markInsert()
{
- cell().insert(pos(), MathAtom(new MathCharInset(0)));
+ insert(char(0));
}
}
-void LCursor::insert2(string const & str)
-{
- MathArray ar;
- asArray(str, ar);
- insert(ar);
-}
-
-
void LCursor::insert(string const & str)
{
- lyxerr << "inserting '" << str << "'" << endl;
- selClearOrDel();
- for (string::const_iterator it = str.begin(); it != str.end(); ++it)
- plainInsert(MathAtom(new MathCharInset(*it)));
+ for_each(str.begin(), str.end(),
+ boost::bind(static_cast<void(LCursor::*)(char)>
+ (&LCursor::insert), this, _1));
}
void LCursor::insert(char c)
{
- lyxerr << "inserting '" << c << "'" << endl;
- selClearOrDel();
- plainInsert(MathAtom(new MathCharInset(c)));
+ //lyxerr << "LCursor::insert char '" << c << "'" << endl;
+ BOOST_ASSERT(!empty());
+ if (inMathed()) {
+ lyx::cap::selClearOrDel(*this);
+ insert(new MathCharInset(c));
+ } else {
+ text()->insertChar(*this, c);
+ }
}
void LCursor::insert(MathAtom const & t)
{
+ //lyxerr << "LCursor::insert MathAtom '" << t << "'" << endl;
macroModeClose();
- selClearOrDel();
+ lyx::cap::selClearOrDel(*this);
plainInsert(t);
}
+void LCursor::insert(InsetBase * inset)
+{
+ if (inMathed())
+ insert(MathAtom(inset));
+ else
+ text()->insertInset(*this, inset);
+}
+
+
void LCursor::niceInsert(string const & t)
{
- lyxerr << "*** LCursor::niceInsert 1: " << t << endl;
MathArray ar;
asArray(t, ar);
if (ar.size() == 1)
void LCursor::niceInsert(MathAtom const & t)
{
- lyxerr << "*** LCursor::niceInsert 2: " << t << endl;
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()) {
posLeft();
- pushLeft(nextAtom().nucleus());
+ // be careful here: don't use 'pushLeft(t)' as this we need to
+ // push the clone, not the original
+ pushLeft(*nextInset());
paste(safe);
}
- lyxerr << "*** LCursor::niceInsert 3: " << t << endl;
}
{
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) {
- if (inset()->nargs() == 1 && depth() == 1 && lastpos() == 0)
+ if (inset().nargs() == 1 && depth() == 1 && lastpos() == 0)
return false;
pullArg();
return true;
if (pos() != 0 && prevAtom()->nargs() > 0) {
// let's require two backspaces for 'big stuff' and
// highlight on the first
+ resetAnchor();
selection() = true;
- left();
+ --pos();
} else {
--pos();
plainErase();
return true;
if (selection()) {
- selDel();
+ lyx::cap::selDel(*this);
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) {
+ // 'clever' UI hack: only erase large items if previously slected
+ if (pos() != lastpos() && inset().nargs() > 0) {
+ resetAnchor();
selection() = true;
- right();
+ ++pos();
} else {
plainErase();
}
bool LCursor::up()
{
macroModeClose();
- CursorBase save = cursor_;
+ DocIterator save = *this;
if (goUpDown(true))
return true;
- cursor_ = save;
+ setCursor(save);
autocorrect() = false;
return selection();
}
bool LCursor::down()
{
macroModeClose();
- CursorBase save = cursor_;
+ DocIterator save = *this;
if (goUpDown(false))
return true;
- cursor_ = save;
+ 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
- if (formula()->lyxCode() == InsetOld::MATHMACRO_CODE
- && formula()->getInsetName() == name)
+ // 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));
}
void LCursor::handleNest(MathAtom const & a, int c)
{
+ //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(t.nucleus());
+ pushLeft(*nextInset());
}
}
-MathHullInset * LCursor::formula() const
+void LCursor::setTargetX()
{
- for (int i = cursor_.size() - 1; i >= 1; --i)
- if (cursor_[i].inset()->lyxCode() == InsetBase::MATH_CODE)
- return static_cast<MathHullInset *>(cursor_[i].inset());
- return 0;
-}
-
-
-void LCursor::adjust(pos_type from, int diff)
-{
- 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 = cursor_[i].inset()->asMathInset();
- if (!m)
- return 0;
- MathGridInset * p = m->asGridInset();
- if (p) {
- idx = cursor_[i].idx_;
- return p;
- }
- }
- return 0;
-}
-
-
void LCursor::pullArg()
{
-#warning look here
-#if 0
+#ifdef WITH_WARNINGS
+#warning Look here
+#endif
MathArray ar = cell();
- if (popLeft()) {
+ if (popLeft() && inMathed()) {
plainErase();
cell().insert(pos(), ar);
resetAnchor();
} else {
- formula()->mutateToText();
+ //formula()->mutateToText();
}
-#endif
}
void LCursor::touch()
{
+#ifdef WITH_WARNINGS
#warning look here
+#endif
#if 0
- CursorBase::const_iterator it = cursor_.begin();
- CursorBase::const_iterator et = cursor_.end();
+ DocIterator::const_iterator it = begin();
+ DocIterator::const_iterator et = end();
for ( ; it != et; ++it)
it->cell().touch();
#endif
if (idx() >= nargs()) {
lyxerr << "this should not really happen - 1: "
<< idx() << ' ' << nargs()
- << " in: " << inset() << endl;
+ << " in: " << &inset() << endl;
}
- idx() = min(idx(), nargs() - 1);
+ idx() = min(idx(), lastidx());
if (pos() > lastpos()) {
lyxerr << "this should not really happen - 2: "
<< 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());
}
-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 fragile.
- // A distance of one pixel or a '<' vs '<=' _really_ matters.
- // So fiddle around with it only if you know what you are doing!
- int xo = 0;
+ // Be warned: The 'logic' implemented in this function is highly
+ // 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))
- 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) {
- //lyxerr << "updown: We are in " << inset() << " idx: " << idx() << endl;
+ while (true) {
+ //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);
+ setCursor(bruteFind2(*this, xo, yo));
return true;
}
// 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(*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)
-{
- CursorBase best_cursor;
- double best_dist = 1e10;
-
- CursorBase it = ibegin(formula());
- CursorBase et = iend(formula());
- while (1) {
- // avoid invalid nesting when selecting
- if (!selection() || positionable(it, anchor_)) {
- int xo, yo;
- 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;
- // '<=' 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) {
- best_dist = d;
- best_cursor = it;
- }
- }
- }
-
- if (it == et)
- break;
- increment(it);
- }
- if (best_dist < 1e10)
- cursor_ = best_cursor;
- return best_dist < 1e10;
+ // we should not come here.
+ BOOST_ASSERT(false);
}
-void LCursor::bruteFind2(int x, int y)
+void LCursor::handleFont(string const & font)
{
- double best_dist = 1e10;
+ lyxerr[Debug::DEBUG] << BOOST_CURRENT_FUNCTION << ": " << font << endl;
+ string safe;
+ if (selection()) {
+ macroModeClose();
+ safe = lyx::cap::grabAndEraseSelection(*this);
+ }
- CursorBase it = cursor_;
- it.back().pos(0);
- CursorBase et = cursor_;
- int n = et.back().asMathInset()->cell(et.back().idx_).size();
- et.back().pos(n);
- 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;
- cursor_ = it;
+ if (lastpos() != 0) {
+ // something left in the cell
+ if (pos() == 0) {
+ // cursor in first position
+ popLeft();
+ } else if (pos() == lastpos()) {
+ // cursor in last position
+ popRight();
+ } else {
+ // cursor in between. split cell
+ MathArray::iterator bt = cell().begin();
+ MathAtom at = createMathInset(font);
+ at.nucleus()->cell(0) = MathArray(bt, bt + pos());
+ cell().erase(bt, bt + pos());
+ popLeft();
+ plainInsert(at);
}
- if (it == et)
- break;
- increment(it);
+ } else {
+ // nothing left in the cell
+ pullArg();
+ plainErase();
}
+ insert(safe);
}
-bool LCursor::idxLineLast()
-{
- idx() -= idx() % ncols();
- idx() += ncols() - 1;
- pos() = lastpos();
- return true;
-}
-
-
-bool LCursor::idxLeft()
-{
- return inset()->idxLeft(*this);
-}
-
-
-bool LCursor::idxRight()
+void LCursor::message(string const & msg) const
{
- return inset()->idxRight(*this);
+ bv().owner()->getLyXFunc().setMessage(msg);
}
-bool LCursor::script(bool up)
+void LCursor::errorMessage(string const & msg) const
{
- // Hack to get \\^ and \\_ working
- lyxerr << "handling script: up: " << up << endl;
- if (inMacroMode() && macroName() == "\\") {
- if (up)
- niceInsert(createMathInset("mathcircumflex"));
- else
- interpret('_');
- return true;
- }
-
- macroModeClose();
- string safe = grabAndEraseSelection();
- if (inNucleus()) {
- // we are in a nucleus of a script inset, move to _our_ script
- inset()->asMathInset()->asScriptInset()->ensure(up);
- idx() = up;
- pos() = 0;
- } else if (pos() != 0 && prevAtom()->asScriptInset()) {
- prevAtom().nucleus()->asScriptInset()->ensure(up);
- posLeft();
- push(inset());
- idx() = up;
- pos() = lastpos();
- } else if (pos() != 0) {
- --pos();
- cell()[pos()] = MathAtom(new MathScriptInset(nextAtom(), up));
- push(inset());
- idx() = up;
- pos() = 0;
- } else {
- plainInsert(MathAtom(new MathScriptInset(up)));
- posLeft();
- nextAtom().nucleus()->asScriptInset()->ensure(up);
- push(inset());
- idx() = up;
- pos() = 0;
- }
- paste(safe);
- return true;
+ bv().owner()->getLyXFunc().setErrorMessage(msg);
}
-bool LCursor::interpret(char c)
+string LCursor::selectionAsString(bool label) const
{
- lyxerr << "interpret 2: '" << c << "'" << endl;
- clearTargetX();
- if (inMacroArgMode()) {
- posLeft();
- plainErase();
-#warning FIXME
-#if 0
- int n = c - '0';
- MathMacroTemplate const * p = formula()->asMacroTemplate();
- if (p && 1 <= n && n <= p->numargs())
- insert(MathAtom(new MathMacroArgument(c - '0')));
- else {
- insert(createMathInset("#"));
- interpret(c); // try again
- }
-#endif
- return true;
- }
-
- // handle macroMode
- if (inMacroMode()) {
- string name = macroName();
- //lyxerr << "interpret name: '" << name << "'" << endl;
-
- if (isalpha(c)) {
- activeMacro()->setName(activeMacro()->name() + c);
- return true;
- }
-
- // handle 'special char' macros
- if (name == "\\") {
- // remove the '\\'
- backspace();
- if (c == '\\') {
- if (currentMode() == MathInset::TEXT_MODE)
- niceInsert(createMathInset("textbackslash"));
- else
- niceInsert(createMathInset("backslash"));
- } else if (c == '{') {
- niceInsert(MathAtom(new MathBraceInset));
- } else {
- niceInsert(createMathInset(string(1, c)));
- }
- return true;
- }
-
- // leave macro mode and try again if necessary
- macroModeClose();
- if (c == '{')
- niceInsert(MathAtom(new MathBraceInset));
- else if (c != ' ')
- interpret(c);
- return true;
- }
-
- // This is annoying as one has to press <space> far too often.
- // Disable it.
-
- if (0) {
- // leave autocorrect mode if necessary
- if (autocorrect() && c == ' ') {
- autocorrect() = false;
- return true;
- }
- }
+ if (!selection())
+ return string();
- // just clear selection on pressing the space bar
- if (selection() && c == ' ') {
- selection() = false;
- return true;
- }
+ if (inTexted()) {
+ Buffer const & buffer = *bv().buffer();
+ ParagraphList & pars = text()->paragraphs();
- selClearOrDel();
+ // should be const ...
+ pit_type startpit = selBegin().pit();
+ pit_type endpit = selEnd().pit();
+ size_t const startpos = selBegin().pos();
+ size_t const endpos = selEnd().pos();
- if (c == '\\') {
- //lyxerr << "starting with macro" << endl;
- insert(MathAtom(new MathUnknownInset("\\", false)));
- return true;
- }
+ if (startpit == endpit)
+ return pars[startpit].asString(buffer, startpos, endpos, label);
- if (c == '\n') {
- if (currentMode() == MathInset::TEXT_MODE)
- insert(c);
- return true;
- }
+ // First paragraph in selection
+ string result = pars[startpit].
+ asString(buffer, startpos, pars[startpit].size(), label) + "\n\n";
- if (c == ' ') {
- if (currentMode() == MathInset::TEXT_MODE) {
- // insert spaces in text mode,
- // but suppress direct insertion of two spaces in a row
- // the still allows typing '<space>a<space>' and deleting the 'a', but
- // it is better than nothing...
- if (!pos() != 0 || prevAtom()->getChar() != ' ')
- insert(c);
- return true;
+ // The paragraphs in between (if any)
+ for (pit_type pit = startpit + 1; pit != endpit; ++pit) {
+ Paragraph & par = pars[pit];
+ result += par.asString(buffer, 0, par.size(), label) + "\n\n";
}
- if (pos() != 0 && prevAtom()->asSpaceInset()) {
- prevAtom().nucleus()->asSpaceInset()->incSpace();
- return true;
- }
- if (popRight())
- return true;
- // if are at the very end, leave the formula
- return pos() != lastpos();
- }
-
- if (c == '_') {
- script(false);
- return true;
- }
-
- if (c == '^') {
- script(true);
- return true;
- }
- if (c == '{' || c == '}' || c == '#' || c == '&' || c == '$') {
- niceInsert(createMathInset(string(1, c)));
- return true;
- }
+ // Last paragraph in selection
+ result += pars[endpit].asString(buffer, 0, endpos, label);
- if (c == '%') {
- niceInsert(MathAtom(new MathCommentInset));
- return true;
+ return result;
}
- // try auto-correction
- //if (autocorrect() && hasPrevAtom() && math_autocorrect(prevAtom(), c))
- // return true;
-
- // no special circumstances, so insert the character without any fuss
- insert(c);
- autocorrect() = true;
- return true;
+#ifdef WITH_WARNINGS
+#warning and mathed?
+#endif
+ return string();
}
-void LCursor::lockToggle()
+string LCursor::currentState()
{
- if (pos() != lastpos()) {
- // toggle previous inset ...
- nextAtom().nucleus()->lock(!nextAtom()->lock());
- } else if (popLeft() && pos() != lastpos()) {
- // ... or enclosing inset if we are in the last inset position
- nextAtom().nucleus()->lock(!nextAtom()->lock());
- posRight();
+ if (inMathed()) {
+ std::ostringstream os;
+ info(os);
+ return os.str();
}
-}
+ if (inTexted())
+ return text()->currentState(*this);
-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_[current_];
-#if 0
- if (depth() < anchor_.size() && !(normal < xx())) {
- // anchor is behind cursor -> move anchor behind the inset
- ++normal.pos_;
- }
-#endif
- return normal;
+ return string();
}
-/*
-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 = cursor_.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;
- }
+string LCursor::getPossibleLabel()
+{
+ return inMathed() ? "eq:" : text()->getPossibleLabel(*this);
}
-*/
-void LCursor::handleFont(string const & font)
+Encoding const * LCursor::getEncoding() const
{
- string safe;
- if (selection()) {
- macroModeClose();
- safe = grabAndEraseSelection();
- }
-
- if (lastpos() != 0) {
- // something left in the cell
- if (pos() == 0) {
- // cursor in first position
- popLeft();
- } else if (pos() == lastpos()) {
- // cursor in last position
- popRight();
- } else {
- // cursor in between. split cell
- MathArray::iterator bt = cell().begin();
- MathAtom at = createMathInset(font);
- at.nucleus()->cell(0) = MathArray(bt, bt + pos());
- cell().erase(bt, bt + pos());
- popLeft();
- plainInsert(at);
- }
- } else {
- // nothing left in the cell
- pullArg();
- plainErase();
- }
- insert(safe);
+ 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 = 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.language()->encoding();
}
-void LCursor::releaseMathCursor()
+void LCursor::undispatched()
{
- if (inMathed())
- formula()->insetUnlock(bv());
+ disp_.dispatched(false);
}
-bool LCursor::inMathed() const
+void LCursor::dispatched()
{
- return formula();
+ disp_.dispatched(true);
}
-InsetBase * LCursor::nextInset()
+void LCursor::needsUpdate()
{
- if (pos() == lastpos())
- return 0;
- if (inMathed())
- return nextAtom().nucleus();
- Paragraph & par = paragraph();
- return par.isInset(pos()) ? par.getInset(pos()) : 0;
+ disp_.update(true);
}
-InsetBase * LCursor::prevInset()
+void LCursor::noUpdate()
{
- if (pos() == 0)
- return 0;
- if (inMathed())
- return prevAtom().nucleus();
- Paragraph & par = paragraph();
- return par.isInset(pos() - 1) ? par.getInset(pos() - 1) : 0;
+ disp_.update(false);
}
-void LCursor::message(string const & msg) const
+LyXFont LCursor::getFont() const
{
- bv().owner()->getLyXFunc().setMessage(msg);
+ // 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::errorMessage(string const & msg) const
+void LCursor::fixIfBroken()
{
- bv().owner()->getLyXFunc().setErrorMessage(msg);
+ // 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