2003-09-17 16:44:51 +00:00
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/**
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* \file cursor.C
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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2004-01-26 10:13:15 +00:00
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* \author Alejandro Aguilar Sierra
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* \author Alfredo Braunstein
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2003-11-04 12:36:59 +00:00
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* \author Andr<EFBFBD> P<EFBFBD>nitz
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2003-09-17 16:44:51 +00:00
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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2004-03-11 17:16:38 +00:00
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#include "BufferView.h"
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2004-03-18 12:53:43 +00:00
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#include "buffer.h"
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2003-09-17 16:44:51 +00:00
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#include "cursor.h"
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#include "debug.h"
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2003-10-29 10:47:21 +00:00
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#include "dispatchresult.h"
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2004-03-18 12:53:43 +00:00
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#include "encoding.h"
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2003-11-10 09:06:48 +00:00
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#include "funcrequest.h"
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2003-09-17 16:44:51 +00:00
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#include "iterators.h"
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2004-03-18 12:53:43 +00:00
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#include "language.h"
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2003-11-10 09:06:48 +00:00
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#include "lfuns.h"
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2004-03-18 12:53:43 +00:00
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#include "lyxfont.h"
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2004-02-03 11:49:05 +00:00
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#include "lyxfunc.h" // only for setMessage()
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2004-01-26 10:13:15 +00:00
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#include "lyxrc.h"
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2003-11-13 08:50:26 +00:00
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#include "lyxrow.h"
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2004-02-03 11:49:05 +00:00
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#include "lyxtext.h"
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2004-01-26 10:13:15 +00:00
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#include "paragraph.h"
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2004-03-18 12:53:43 +00:00
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#include "paragraph_funcs.h"
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2003-09-17 16:44:51 +00:00
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#include "insets/updatableinset.h"
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2003-11-10 09:06:48 +00:00
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#include "insets/insettabular.h"
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2003-11-04 12:36:59 +00:00
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#include "insets/insettext.h"
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2004-01-16 13:35:10 +00:00
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#include "mathed/math_data.h"
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2004-01-26 10:13:15 +00:00
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#include "mathed/math_support.h"
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2004-03-18 16:05:32 +00:00
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#include "mathed/math_inset.h"
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2004-01-26 10:13:15 +00:00
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#include "support/limited_stack.h"
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2004-02-13 07:30:59 +00:00
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#include "support/std_sstream.h"
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2004-02-03 11:49:05 +00:00
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#include "frontends/LyXView.h"
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2004-01-16 13:35:10 +00:00
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2003-11-04 12:36:59 +00:00
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#include <boost/assert.hpp>
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2003-09-17 16:44:51 +00:00
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2004-01-26 10:13:15 +00:00
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using std::string;
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2003-09-17 16:44:51 +00:00
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using std::vector;
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2003-10-29 12:18:08 +00:00
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using std::endl;
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2004-01-26 10:13:15 +00:00
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#ifndef CXX_GLOBAL_CSTD
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using std::isalpha;
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#endif
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using std::min;
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using std::swap;
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// our own cut buffer
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limited_stack<string> theCutBuffer;
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2003-09-17 16:44:51 +00:00
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2004-03-18 16:05:32 +00:00
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namespace {
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void region(CursorSlice const & i1, CursorSlice const & i2,
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LCursor::row_type & r1, LCursor::row_type & r2,
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LCursor::col_type & c1, LCursor::col_type & c2)
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{
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InsetBase & p = i1.inset();
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2004-03-18 16:41:45 +00:00
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c1 = p.col(i1.idx());
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c2 = p.col(i2.idx());
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2004-03-18 16:05:32 +00:00
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if (c1 > c2)
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swap(c1, c2);
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2004-03-18 16:41:45 +00:00
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r1 = p.row(i1.idx());
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r2 = p.row(i2.idx());
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2004-03-18 16:05:32 +00:00
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if (r1 > r2)
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swap(r1, r2);
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}
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}
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2004-01-16 10:55:19 +00:00
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LCursor::LCursor(BufferView & bv)
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2004-03-18 12:53:43 +00:00
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: DocumentIterator(), bv_(&bv), anchor_(),
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2004-03-01 17:12:09 +00:00
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cached_y_(0), x_target_(-1), selection_(false), mark_(false)
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2003-11-10 09:06:48 +00:00
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{}
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2004-03-19 16:36:52 +00:00
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void LCursor::reset(InsetBase & inset)
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2004-01-26 10:13:15 +00:00
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{
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2004-03-01 17:12:09 +00:00
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clear();
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2004-03-19 16:36:52 +00:00
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push_back(CursorSlice(inset));
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2004-01-26 10:13:15 +00:00
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anchor_.clear();
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2004-03-19 16:36:52 +00:00
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anchor_.push_back(CursorSlice(inset));
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2004-01-26 10:13:15 +00:00
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cached_y_ = 0;
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2004-01-30 11:41:12 +00:00
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clearTargetX();
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2004-01-26 10:13:15 +00:00
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selection_ = false;
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mark_ = false;
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}
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2004-03-01 17:12:09 +00:00
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void LCursor::setCursor(DocumentIterator const & cur, bool sel)
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{
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// this (intentionally) does not touch the anchor
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DocumentIterator::operator=(cur);
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selection() = sel;
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}
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2003-11-10 09:06:48 +00:00
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DispatchResult LCursor::dispatch(FuncRequest const & cmd0)
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2003-09-17 16:44:51 +00:00
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{
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2004-03-18 12:53:43 +00:00
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if (empty())
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return DispatchResult();
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2004-03-08 21:14:45 +00:00
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//lyxerr << "\nLCursor::dispatch: cmd: " << cmd0 << endl << *this << endl;
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2003-11-10 09:06:48 +00:00
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FuncRequest cmd = cmd0;
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2004-03-18 13:57:20 +00:00
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LCursor safe = *this;
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2004-03-18 12:53:43 +00:00
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2004-03-18 13:57:20 +00:00
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for ( ; size(); pop()) {
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2004-03-18 16:12:51 +00:00
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//lyxerr << "\nLCursor::dispatch: cmd: " << cmd0 << endl << *this << endl;
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2004-03-18 12:53:43 +00:00
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BOOST_ASSERT(pos() <= lastpos());
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BOOST_ASSERT(idx() <= lastidx());
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BOOST_ASSERT(par() <= lastpar());
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// The common case is 'LFUN handled, need update', so make the
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// LFUN handler's life easier by assuming this as default value.
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// The handler can reset the update and val flags if necessary.
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disp_.update(true);
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disp_.dispatched(true);
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inset().dispatch(*this, cmd);
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if (disp_.dispatched())
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break;
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2003-09-17 16:44:51 +00:00
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}
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2004-03-18 12:53:43 +00:00
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// it completely to get a 'bomb early' behaviour in case this
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// object will be used again.
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2004-03-22 13:36:13 +00:00
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if (!disp_.dispatched())
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2004-03-18 13:57:20 +00:00
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operator=(safe);
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2004-02-16 11:58:51 +00:00
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return disp_;
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2003-09-17 16:44:51 +00:00
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}
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2004-02-20 17:19:53 +00:00
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bool LCursor::getStatus(FuncRequest const & cmd, FuncStatus & status)
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{
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2004-03-18 13:57:20 +00:00
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LCursor safe = *this;
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for ( ; size(); pop()) {
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//lyxerr << "\nLCursor::getStatus: cmd: " << cmd << endl << *this << endl;
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2004-03-18 12:53:43 +00:00
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BOOST_ASSERT(pos() <= lastpos());
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BOOST_ASSERT(idx() <= lastidx());
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BOOST_ASSERT(par() <= lastpar());
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// The inset's getStatus() will return 'true' if it made
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2004-02-20 17:19:53 +00:00
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// a definitive decision on whether it want to handle the
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// request or not. The result of this decision is put into
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// the 'status' parameter.
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2004-03-18 12:53:43 +00:00
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if (inset().getStatus(*this, cmd, status))
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break;
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2004-02-20 17:19:53 +00:00
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}
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2004-03-18 13:57:20 +00:00
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operator=(safe);
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2004-03-18 12:53:43 +00:00
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return true;
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2004-02-20 17:19:53 +00:00
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}
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2004-03-01 17:12:09 +00:00
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BufferView & LCursor::bv() const
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2003-11-06 10:30:43 +00:00
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{
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2004-03-18 12:53:43 +00:00
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return *bv_;
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2004-03-11 17:16:38 +00:00
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}
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2003-11-04 12:36:59 +00:00
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void LCursor::pop()
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{
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2004-03-01 17:12:09 +00:00
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BOOST_ASSERT(size() >= 1);
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pop_back();
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2004-02-03 16:44:57 +00:00
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anchor_.pop_back();
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2004-03-01 17:12:09 +00:00
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}
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2004-03-18 12:53:43 +00:00
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void LCursor::push(InsetBase & p)
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2004-03-01 17:12:09 +00:00
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{
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push_back(CursorSlice(p));
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2004-01-20 14:25:24 +00:00
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}
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2004-03-18 12:53:43 +00:00
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void LCursor::pushLeft(InsetBase & p)
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2004-01-26 10:13:15 +00:00
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{
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2004-03-01 17:12:09 +00:00
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BOOST_ASSERT(!empty());
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2004-01-26 10:13:15 +00:00
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//lyxerr << "Entering inset " << t << " left" << endl;
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push(p);
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2004-03-18 12:53:43 +00:00
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p.idxFirst(*this);
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2004-01-26 10:13:15 +00:00
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}
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bool LCursor::popLeft()
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{
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2004-03-01 17:12:09 +00:00
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BOOST_ASSERT(!empty());
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2004-01-26 10:13:15 +00:00
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//lyxerr << "Leaving inset to the left" << endl;
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2004-03-18 12:53:43 +00:00
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inset().notifyCursorLeaves(idx());
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2004-03-18 16:05:32 +00:00
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if (depth() == 1)
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return false;
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2004-01-26 10:13:15 +00:00
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pop();
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return true;
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}
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bool LCursor::popRight()
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{
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2004-03-01 17:12:09 +00:00
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BOOST_ASSERT(!empty());
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2004-01-26 10:13:15 +00:00
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//lyxerr << "Leaving inset to the right" << endl;
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2004-03-18 12:53:43 +00:00
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inset().notifyCursorLeaves(idx());
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2004-03-18 16:05:32 +00:00
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if (depth() == 1)
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return false;
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2004-01-26 10:13:15 +00:00
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pop();
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2004-02-11 14:45:44 +00:00
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++pos();
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2004-01-26 10:13:15 +00:00
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return true;
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}
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int LCursor::currentMode()
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{
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2004-03-01 17:12:09 +00:00
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BOOST_ASSERT(!empty());
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2004-03-18 16:05:32 +00:00
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for (int i = size() - 1; i >= 0; --i) {
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2004-03-18 12:53:43 +00:00
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int res = operator[](i).inset().currentMode();
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2004-03-18 16:05:32 +00:00
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if (res != InsetBase::UNDECIDED_MODE)
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2004-01-26 10:13:15 +00:00
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return res;
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}
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2004-03-18 16:05:32 +00:00
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return InsetBase::TEXT_MODE;
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2004-01-26 10:13:15 +00:00
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}
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2003-11-11 13:17:28 +00:00
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void LCursor::updatePos()
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{
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2004-03-01 17:12:09 +00:00
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BOOST_ASSERT(!empty());
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if (size() > 1)
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2004-03-18 12:53:43 +00:00
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cached_y_ = bv().top_y() + back().inset().yo();
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//cached_y_ = back().inset().yo();
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2003-11-11 13:17:28 +00:00
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}
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2004-01-30 11:41:12 +00:00
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void LCursor::getDim(int & asc, int & des) const
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2003-11-13 08:50:26 +00:00
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{
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2004-02-06 11:50:13 +00:00
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if (inMathed()) {
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2004-03-18 12:53:43 +00:00
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BOOST_ASSERT(inset().asMathInset());
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//inset().asMathInset()->getCursorDim(asc, des);
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2004-01-20 14:25:24 +00:00
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asc = 10;
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2004-01-30 11:41:12 +00:00
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des = 10;
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2004-03-18 12:53:43 +00:00
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} else if (inTexted()) {
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2004-02-13 07:30:59 +00:00
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Row const & row = textRow();
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2004-02-06 11:50:13 +00:00
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asc = row.baseline();
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des = row.height() - asc;
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2004-03-18 12:53:43 +00:00
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} else {
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lyxerr << "should this happen?" << endl;
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asc = 10;
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des = 10;
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2004-01-16 10:55:19 +00:00
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}
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2003-11-13 08:50:26 +00:00
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}
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2003-11-10 09:06:48 +00:00
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void LCursor::getPos(int & x, int & y) const
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{
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2004-01-30 11:41:12 +00:00
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x = 0;
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y = 0;
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2004-03-18 12:53:43 +00:00
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if (!empty())
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inset().getCursorPos(back(), x, y);
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|
// 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.
|
2003-11-10 09:06:48 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2004-01-26 10:13:15 +00:00
|
|
|
|
void LCursor::paste(string const & data)
|
|
|
|
|
{
|
|
|
|
|
dispatch(FuncRequest(LFUN_PASTE, data));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2004-01-16 12:36:23 +00:00
|
|
|
|
void LCursor::resetAnchor()
|
2004-01-08 18:30:14 +00:00
|
|
|
|
{
|
2004-03-01 17:12:09 +00:00
|
|
|
|
anchor_ = *this;
|
2004-01-16 13:35:10 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
bool LCursor::posLeft()
|
|
|
|
|
{
|
|
|
|
|
if (pos() == 0)
|
|
|
|
|
return false;
|
|
|
|
|
--pos();
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
bool LCursor::posRight()
|
|
|
|
|
{
|
|
|
|
|
if (pos() == lastpos())
|
|
|
|
|
return false;
|
|
|
|
|
++pos();
|
|
|
|
|
return true;
|
|
|
|
|
}
|
2004-01-20 14:25:24 +00:00
|
|
|
|
|
|
|
|
|
|
|
|
|
|
CursorSlice & LCursor::anchor()
|
|
|
|
|
{
|
|
|
|
|
return anchor_.back();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
CursorSlice const & LCursor::anchor() const
|
|
|
|
|
{
|
|
|
|
|
return anchor_.back();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2004-01-26 10:13:15 +00:00
|
|
|
|
CursorSlice const & LCursor::selBegin() const
|
2004-01-20 14:25:24 +00:00
|
|
|
|
{
|
|
|
|
|
if (!selection())
|
2004-03-01 17:12:09 +00:00
|
|
|
|
return back();
|
|
|
|
|
return anchor() < back() ? anchor() : back();
|
2004-01-20 14:25:24 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2004-01-26 10:13:15 +00:00
|
|
|
|
CursorSlice & LCursor::selBegin()
|
2004-01-20 14:25:24 +00:00
|
|
|
|
{
|
|
|
|
|
if (!selection())
|
2004-03-01 17:12:09 +00:00
|
|
|
|
return back();
|
2004-02-11 14:45:44 +00:00
|
|
|
|
// can't use std::min as this returns a const ref
|
2004-03-01 17:12:09 +00:00
|
|
|
|
return anchor() < back() ? anchor() : back();
|
2004-01-20 14:25:24 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2004-01-26 10:13:15 +00:00
|
|
|
|
CursorSlice const & LCursor::selEnd() const
|
2004-01-20 14:25:24 +00:00
|
|
|
|
{
|
|
|
|
|
if (!selection())
|
2004-03-01 17:12:09 +00:00
|
|
|
|
return back();
|
|
|
|
|
return anchor() > back() ? anchor() : back();
|
2004-01-20 14:25:24 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
CursorSlice & LCursor::selEnd()
|
|
|
|
|
{
|
2004-02-11 14:45:44 +00:00
|
|
|
|
if (!selection())
|
2004-03-01 17:12:09 +00:00
|
|
|
|
return back();
|
2004-02-11 14:45:44 +00:00
|
|
|
|
// can't use std::min as this returns a const ref
|
2004-03-01 17:12:09 +00:00
|
|
|
|
return anchor() > back() ? anchor() : back();
|
2004-01-20 14:25:24 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void LCursor::setSelection()
|
|
|
|
|
{
|
|
|
|
|
selection() = true;
|
|
|
|
|
// a selection with no contents is not a selection
|
|
|
|
|
if (par() == anchor().par() && pos() == anchor().pos())
|
|
|
|
|
selection() = false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2004-03-01 17:12:09 +00:00
|
|
|
|
void LCursor::setSelection(DocumentIterator const & where, size_t n)
|
2004-01-26 10:13:15 +00:00
|
|
|
|
{
|
|
|
|
|
selection() = true;
|
2004-03-01 17:12:09 +00:00
|
|
|
|
setCursor(where, false);
|
2004-01-26 10:13:15 +00:00
|
|
|
|
anchor_ = where;
|
|
|
|
|
pos() += n;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2004-01-20 14:25:24 +00:00
|
|
|
|
void LCursor::clearSelection()
|
|
|
|
|
{
|
|
|
|
|
selection() = false;
|
|
|
|
|
mark() = false;
|
|
|
|
|
resetAnchor();
|
|
|
|
|
bv().unsetXSel();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2004-01-30 11:41:12 +00:00
|
|
|
|
int & LCursor::x_target()
|
2004-01-20 14:25:24 +00:00
|
|
|
|
{
|
2004-01-30 11:41:12 +00:00
|
|
|
|
return x_target_;
|
2004-01-20 14:25:24 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
int LCursor::x_target() const
|
|
|
|
|
{
|
|
|
|
|
return x_target_;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2004-01-30 11:41:12 +00:00
|
|
|
|
void LCursor::clearTargetX()
|
|
|
|
|
{
|
|
|
|
|
x_target_ = -1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2004-01-20 14:25:24 +00:00
|
|
|
|
|
2004-02-13 07:30:59 +00:00
|
|
|
|
void LCursor::info(std::ostream & os) const
|
2004-01-20 14:25:24 +00:00
|
|
|
|
{
|
|
|
|
|
for (int i = 1, n = depth(); i < n; ++i) {
|
2004-03-18 12:53:43 +00:00
|
|
|
|
operator[](i).inset().infoize(os);
|
2004-01-20 14:25:24 +00:00
|
|
|
|
os << " ";
|
|
|
|
|
}
|
2004-02-03 11:49:05 +00:00
|
|
|
|
if (pos() != 0)
|
|
|
|
|
prevInset()->infoize2(os);
|
2004-01-20 14:25:24 +00:00
|
|
|
|
// overwite old message
|
|
|
|
|
os << " ";
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2004-01-26 10:13:15 +00:00
|
|
|
|
string LCursor::grabSelection()
|
|
|
|
|
{
|
|
|
|
|
if (!selection())
|
|
|
|
|
return string();
|
|
|
|
|
|
|
|
|
|
CursorSlice i1 = selBegin();
|
|
|
|
|
CursorSlice i2 = selEnd();
|
|
|
|
|
|
2004-03-18 16:41:45 +00:00
|
|
|
|
if (i1.idx() == i2.idx()) {
|
2004-03-18 12:53:43 +00:00
|
|
|
|
if (i1.inset().asMathInset()) {
|
2004-01-26 10:13:15 +00:00
|
|
|
|
MathArray::const_iterator it = i1.cell().begin();
|
2004-03-18 16:41:45 +00:00
|
|
|
|
return asString(MathArray(it + i1.pos(), it + i2.pos()));
|
2004-01-26 10:13:15 +00:00
|
|
|
|
} else {
|
|
|
|
|
return "unknown selection 1";
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
row_type r1, r2;
|
|
|
|
|
col_type c1, c2;
|
|
|
|
|
region(i1, i2, r1, r2, c1, c2);
|
|
|
|
|
|
|
|
|
|
string data;
|
2004-03-18 12:53:43 +00:00
|
|
|
|
if (i1.inset().asMathInset()) {
|
2004-01-26 10:13:15 +00:00
|
|
|
|
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()
|
|
|
|
|
{
|
2004-02-11 14:45:44 +00:00
|
|
|
|
//lyxerr << "LCursor::eraseSelection" << endl;
|
|
|
|
|
CursorSlice const & i1 = selBegin();
|
|
|
|
|
CursorSlice const & i2 = selEnd();
|
2004-01-26 10:13:15 +00:00
|
|
|
|
#warning FIXME
|
2004-03-18 12:53:43 +00:00
|
|
|
|
if (i1.inset().asMathInset()) {
|
2004-03-18 16:41:45 +00:00
|
|
|
|
if (i1.idx() == i2.idx()) {
|
|
|
|
|
i1.cell().erase(i1.pos(), i2.pos());
|
2004-01-26 10:13:15 +00:00
|
|
|
|
} 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();
|
|
|
|
|
}
|
2004-03-01 17:12:09 +00:00
|
|
|
|
back() = i1;
|
2004-01-26 10:13:15 +00:00
|
|
|
|
} else {
|
|
|
|
|
lyxerr << "can't erase this selection 1" << endl;
|
|
|
|
|
}
|
2004-02-11 14:45:44 +00:00
|
|
|
|
//lyxerr << "LCursor::eraseSelection end" << endl;
|
2004-01-26 10:13:15 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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()
|
|
|
|
|
{
|
2004-02-11 14:45:44 +00:00
|
|
|
|
//lyxerr << "LCursor::selDel" << endl;
|
2004-01-26 10:13:15 +00:00
|
|
|
|
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)
|
|
|
|
|
{
|
2004-02-11 14:45:44 +00:00
|
|
|
|
//lyxerr << "LCursor::selHandle" << endl;
|
2004-01-26 10:13:15 +00:00
|
|
|
|
if (sel == selection())
|
|
|
|
|
return;
|
|
|
|
|
resetAnchor();
|
|
|
|
|
selection() = sel;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void LCursor::selClearOrDel()
|
|
|
|
|
{
|
2004-02-11 14:45:44 +00:00
|
|
|
|
//lyxerr << "LCursor::selClearOrDel" << endl;
|
2004-01-26 10:13:15 +00:00
|
|
|
|
if (lyxrc.auto_region_delete)
|
|
|
|
|
selDel();
|
|
|
|
|
else
|
|
|
|
|
selection() = false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2004-01-20 14:25:24 +00:00
|
|
|
|
std::ostream & operator<<(std::ostream & os, LCursor const & cur)
|
|
|
|
|
{
|
2004-03-01 17:12:09 +00:00
|
|
|
|
for (size_t i = 0, n = cur.size(); i != n; ++i)
|
|
|
|
|
os << " " << cur.operator[](i) << " | " << cur.anchor_[i] << "\n";
|
2004-02-11 14:45:44 +00:00
|
|
|
|
os << " selection: " << cur.selection_ << endl;
|
2004-02-06 16:50:29 +00:00
|
|
|
|
return os;
|
2004-01-20 14:25:24 +00:00
|
|
|
|
}
|
2004-01-26 10:13:15 +00:00
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////
|
|
|
|
|
//
|
|
|
|
|
// The part below is the non-integrated rest of the original math
|
|
|
|
|
// cursor. This should be either generalized for texted or moved
|
2004-03-01 17:12:09 +00:00
|
|
|
|
// back to mathed (in most cases to MathNestInset).
|
2004-01-26 10:13:15 +00:00
|
|
|
|
//
|
|
|
|
|
///////////////////////////////////////////////////////////////////
|
|
|
|
|
|
|
|
|
|
#include "mathed/math_charinset.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_support.h"
|
|
|
|
|
#include "mathed/math_unknowninset.h"
|
|
|
|
|
|
|
|
|
|
//#define FILEDEBUG 1
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
bool LCursor::isInside(InsetBase const * p)
|
|
|
|
|
{
|
|
|
|
|
for (unsigned i = 0; i < depth(); ++i)
|
2004-03-18 12:53:43 +00:00
|
|
|
|
if (&operator[](i).inset() == p)
|
2004-01-26 10:13:15 +00:00
|
|
|
|
return true;
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2004-02-25 12:00:53 +00:00
|
|
|
|
bool LCursor::openable(MathAtom const & t) const
|
2004-01-26 10:13:15 +00:00
|
|
|
|
{
|
|
|
|
|
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;
|
2004-03-18 12:53:43 +00:00
|
|
|
|
if (!ptr_cmp(t.nucleus(), &anchor_[depth()].inset()))
|
2004-01-26 10:13:15 +00:00
|
|
|
|
return false;
|
|
|
|
|
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2004-03-01 17:12:09 +00:00
|
|
|
|
bool positionable(DocumentIterator const & cursor,
|
|
|
|
|
DocumentIterator const & anchor)
|
2004-01-26 10:13:15 +00:00
|
|
|
|
{
|
|
|
|
|
// avoid deeper nested insets when selecting
|
|
|
|
|
if (cursor.size() > anchor.size())
|
|
|
|
|
return false;
|
|
|
|
|
|
|
|
|
|
// anchor might be deeper, should have same path then
|
2004-01-30 11:41:12 +00:00
|
|
|
|
for (size_t i = 0; i < cursor.size(); ++i)
|
2004-03-18 12:53:43 +00:00
|
|
|
|
if (&cursor[i].inset() != &anchor[i].inset())
|
2004-01-26 10:13:15 +00:00
|
|
|
|
return false;
|
|
|
|
|
|
|
|
|
|
// position should be ok.
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void LCursor::setScreenPos(int x, int y)
|
|
|
|
|
{
|
2004-03-18 16:05:32 +00:00
|
|
|
|
x_target() = x;
|
|
|
|
|
bruteFind(x, y, 0, bv().workWidth(), 0, bv().workHeight());
|
2004-01-26 10:13:15 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void LCursor::plainErase()
|
|
|
|
|
{
|
|
|
|
|
cell().erase(pos());
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void LCursor::markInsert()
|
|
|
|
|
{
|
|
|
|
|
cell().insert(pos(), MathAtom(new MathCharInset(0)));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void LCursor::markErase()
|
|
|
|
|
{
|
|
|
|
|
cell().erase(pos());
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void LCursor::plainInsert(MathAtom const & t)
|
|
|
|
|
{
|
|
|
|
|
cell().insert(pos(), t);
|
|
|
|
|
++pos();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void LCursor::insert(string const & str)
|
|
|
|
|
{
|
2004-02-11 14:45:44 +00:00
|
|
|
|
lyxerr << "LCursor::insert str '" << str << "'" << endl;
|
2004-01-26 10:13:15 +00:00
|
|
|
|
for (string::const_iterator it = str.begin(); it != str.end(); ++it)
|
2004-03-18 12:53:43 +00:00
|
|
|
|
insert(*it);
|
2004-01-26 10:13:15 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void LCursor::insert(char c)
|
|
|
|
|
{
|
2004-02-11 14:45:44 +00:00
|
|
|
|
//lyxerr << "LCursor::insert char '" << c << "'" << endl;
|
2004-03-18 12:53:43 +00:00
|
|
|
|
BOOST_ASSERT(!empty());
|
|
|
|
|
if (inMathed()) {
|
|
|
|
|
selClearOrDel();
|
|
|
|
|
plainInsert(MathAtom(new MathCharInset(c)));
|
|
|
|
|
} else {
|
|
|
|
|
text()->insertChar(*this, c);
|
|
|
|
|
}
|
2004-01-26 10:13:15 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void LCursor::insert(MathAtom const & t)
|
|
|
|
|
{
|
2004-02-11 14:45:44 +00:00
|
|
|
|
//lyxerr << "LCursor::insert MathAtom: " << endl;
|
2004-01-26 10:13:15 +00:00
|
|
|
|
macroModeClose();
|
|
|
|
|
selClearOrDel();
|
|
|
|
|
plainInsert(t);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2004-02-11 14:45:44 +00:00
|
|
|
|
void LCursor::insert(InsetBase * inset)
|
|
|
|
|
{
|
|
|
|
|
if (inMathed())
|
|
|
|
|
insert(MathAtom(inset));
|
|
|
|
|
else
|
2004-02-13 07:30:59 +00:00
|
|
|
|
text()->insertInset(*this, inset);
|
2004-02-11 14:45:44 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2004-01-26 10:13:15 +00:00
|
|
|
|
void LCursor::niceInsert(string const & t)
|
|
|
|
|
{
|
|
|
|
|
MathArray ar;
|
|
|
|
|
asArray(t, ar);
|
|
|
|
|
if (ar.size() == 1)
|
|
|
|
|
niceInsert(ar[0]);
|
|
|
|
|
else
|
|
|
|
|
insert(ar);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void LCursor::niceInsert(MathAtom const & t)
|
|
|
|
|
{
|
|
|
|
|
macroModeClose();
|
|
|
|
|
string safe = grabAndEraseSelection();
|
|
|
|
|
plainInsert(t);
|
|
|
|
|
// enter the new inset and move the contents of the selection if possible
|
|
|
|
|
if (t->isActive()) {
|
|
|
|
|
posLeft();
|
2004-02-11 14:45:44 +00:00
|
|
|
|
// be careful here: don't use 'pushLeft(t)' as this we need to
|
|
|
|
|
// push the clone, not the original
|
2004-03-18 12:53:43 +00:00
|
|
|
|
pushLeft(*nextInset());
|
2004-01-26 10:13:15 +00:00
|
|
|
|
paste(safe);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void LCursor::insert(MathArray const & ar)
|
|
|
|
|
{
|
|
|
|
|
macroModeClose();
|
|
|
|
|
if (selection())
|
|
|
|
|
eraseSelection();
|
|
|
|
|
cell().insert(pos(), ar);
|
|
|
|
|
pos() += ar.size();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
bool LCursor::backspace()
|
|
|
|
|
{
|
|
|
|
|
autocorrect() = false;
|
|
|
|
|
|
|
|
|
|
if (selection()) {
|
|
|
|
|
selDel();
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (pos() == 0) {
|
2004-03-18 12:53:43 +00:00
|
|
|
|
if (inset().nargs() == 1 && depth() == 1 && lastpos() == 0)
|
2004-01-26 10:13:15 +00:00
|
|
|
|
return false;
|
|
|
|
|
pullArg();
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (inMacroMode()) {
|
|
|
|
|
MathUnknownInset * p = activeMacro();
|
|
|
|
|
if (p->name().size() > 1) {
|
|
|
|
|
p->setName(p->name().substr(0, p->name().size() - 1));
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (pos() != 0 && prevAtom()->nargs() > 0) {
|
|
|
|
|
// let's require two backspaces for 'big stuff' and
|
|
|
|
|
// highlight on the first
|
|
|
|
|
selection() = true;
|
2004-02-25 14:39:14 +00:00
|
|
|
|
--pos();
|
2004-01-26 10:13:15 +00:00
|
|
|
|
} else {
|
|
|
|
|
--pos();
|
|
|
|
|
plainErase();
|
|
|
|
|
}
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
bool LCursor::erase()
|
|
|
|
|
{
|
|
|
|
|
autocorrect() = false;
|
|
|
|
|
if (inMacroMode())
|
|
|
|
|
return true;
|
|
|
|
|
|
|
|
|
|
if (selection()) {
|
|
|
|
|
selDel();
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// delete empty cells if possible
|
2004-03-18 12:53:43 +00:00
|
|
|
|
if (pos() == lastpos() && inset().idxDelete(idx()))
|
2004-02-03 08:56:28 +00:00
|
|
|
|
return true;
|
2004-01-26 10:13:15 +00:00
|
|
|
|
|
|
|
|
|
// special behaviour when in last position of cell
|
|
|
|
|
if (pos() == lastpos()) {
|
2004-03-18 12:53:43 +00:00
|
|
|
|
bool one_cell = inset().nargs() == 1;
|
2004-01-26 10:13:15 +00:00
|
|
|
|
if (one_cell && depth() == 1 && lastpos() == 0)
|
|
|
|
|
return false;
|
|
|
|
|
// remove markup
|
|
|
|
|
if (one_cell)
|
|
|
|
|
pullArg();
|
|
|
|
|
else
|
2004-03-18 12:53:43 +00:00
|
|
|
|
inset().idxGlue(idx());
|
2004-01-26 10:13:15 +00:00
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
|
2004-03-18 12:53:43 +00:00
|
|
|
|
if (pos() != lastpos() && inset().nargs() > 0) {
|
2004-01-26 10:13:15 +00:00
|
|
|
|
selection() = true;
|
2004-02-25 14:39:14 +00:00
|
|
|
|
++pos();
|
2004-01-26 10:13:15 +00:00
|
|
|
|
} else {
|
|
|
|
|
plainErase();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
bool LCursor::up()
|
|
|
|
|
{
|
|
|
|
|
macroModeClose();
|
2004-03-01 17:12:09 +00:00
|
|
|
|
DocumentIterator save = *this;
|
2004-01-26 10:13:15 +00:00
|
|
|
|
if (goUpDown(true))
|
|
|
|
|
return true;
|
2004-03-01 17:12:09 +00:00
|
|
|
|
setCursor(save, false);
|
2004-01-26 10:13:15 +00:00
|
|
|
|
autocorrect() = false;
|
|
|
|
|
return selection();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
bool LCursor::down()
|
|
|
|
|
{
|
|
|
|
|
macroModeClose();
|
2004-03-01 17:12:09 +00:00
|
|
|
|
DocumentIterator save = *this;
|
2004-01-26 10:13:15 +00:00
|
|
|
|
if (goUpDown(false))
|
|
|
|
|
return true;
|
2004-03-01 17:12:09 +00:00
|
|
|
|
setCursor(save, false);
|
2004-01-26 10:13:15 +00:00
|
|
|
|
autocorrect() = false;
|
|
|
|
|
return selection();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void LCursor::macroModeClose()
|
|
|
|
|
{
|
|
|
|
|
if (!inMacroMode())
|
|
|
|
|
return;
|
|
|
|
|
MathUnknownInset * p = activeMacro();
|
|
|
|
|
p->finalize();
|
|
|
|
|
string s = p->name();
|
|
|
|
|
--pos();
|
|
|
|
|
cell().erase(pos());
|
|
|
|
|
|
|
|
|
|
// do nothing if the macro name is empty
|
|
|
|
|
if (s == "\\")
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
string const name = s.substr(1);
|
|
|
|
|
|
|
|
|
|
// prevent entering of recursive macros
|
2004-02-25 14:39:14 +00:00
|
|
|
|
InsetBase const * macro = innerInsetOfType(InsetBase::MATHMACRO_CODE);
|
|
|
|
|
if (macro && macro->getInsetName() == name)
|
2004-01-26 10:13:15 +00:00
|
|
|
|
lyxerr << "can't enter recursive macro" << endl;
|
|
|
|
|
|
|
|
|
|
niceInsert(createMathInset(name));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
string LCursor::macroName()
|
|
|
|
|
{
|
|
|
|
|
return inMacroMode() ? activeMacro()->name() : string();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void LCursor::handleNest(MathAtom const & a, int c)
|
|
|
|
|
{
|
2004-02-11 14:45:44 +00:00
|
|
|
|
//lyxerr << "LCursor::handleNest: " << c << endl;
|
2004-01-30 11:41:12 +00:00
|
|
|
|
MathAtom t = a;
|
|
|
|
|
asArray(grabAndEraseSelection(), t.nucleus()->cell(c));
|
|
|
|
|
insert(t);
|
2004-01-26 10:13:15 +00:00
|
|
|
|
posLeft();
|
2004-03-18 12:53:43 +00:00
|
|
|
|
pushLeft(*nextInset());
|
2004-01-26 10:13:15 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
int LCursor::targetX() const
|
|
|
|
|
{
|
|
|
|
|
if (x_target() != -1)
|
|
|
|
|
return x_target();
|
|
|
|
|
int x = 0;
|
|
|
|
|
int y = 0;
|
2004-01-30 11:41:12 +00:00
|
|
|
|
getPos(x, y);
|
2004-01-26 10:13:15 +00:00
|
|
|
|
return x;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void LCursor::adjust(pos_type from, int diff)
|
2004-01-28 16:21:29 +00:00
|
|
|
|
{
|
2004-01-26 10:13:15 +00:00
|
|
|
|
if (pos() > from)
|
|
|
|
|
pos() += diff;
|
2004-03-18 16:41:45 +00:00
|
|
|
|
if (anchor().pos() > from)
|
|
|
|
|
anchor().pos() += diff;
|
2004-01-26 10:13:15 +00:00
|
|
|
|
// just to be on the safe side
|
|
|
|
|
// theoretically unecessary
|
|
|
|
|
normalize();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
bool LCursor::inMacroMode() const
|
|
|
|
|
{
|
|
|
|
|
if (!pos() != 0)
|
|
|
|
|
return false;
|
|
|
|
|
MathUnknownInset const * p = prevAtom()->asUnknownInset();
|
|
|
|
|
return p && !p->final();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
MathUnknownInset * LCursor::activeMacro()
|
|
|
|
|
{
|
|
|
|
|
return inMacroMode() ? prevAtom().nucleus()->asUnknownInset() : 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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) {
|
2004-03-18 12:53:43 +00:00
|
|
|
|
MathInset * m = operator[](i).inset().asMathInset();
|
2004-01-26 10:13:15 +00:00
|
|
|
|
if (!m)
|
|
|
|
|
return 0;
|
|
|
|
|
MathGridInset * p = m->asGridInset();
|
|
|
|
|
if (p) {
|
2004-03-18 16:41:45 +00:00
|
|
|
|
idx = operator[](i).idx();
|
2004-01-26 10:13:15 +00:00
|
|
|
|
return p;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void LCursor::pullArg()
|
|
|
|
|
{
|
2004-02-11 14:45:44 +00:00
|
|
|
|
#warning Look here
|
2004-01-26 10:13:15 +00:00
|
|
|
|
MathArray ar = cell();
|
2004-02-11 14:45:44 +00:00
|
|
|
|
if (popLeft() && inMathed()) {
|
2004-01-26 10:13:15 +00:00
|
|
|
|
plainErase();
|
|
|
|
|
cell().insert(pos(), ar);
|
|
|
|
|
resetAnchor();
|
|
|
|
|
} else {
|
2004-02-11 14:45:44 +00:00
|
|
|
|
//formula()->mutateToText();
|
2004-01-26 10:13:15 +00:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void LCursor::touch()
|
|
|
|
|
{
|
|
|
|
|
#warning look here
|
|
|
|
|
#if 0
|
2004-03-01 17:12:09 +00:00
|
|
|
|
DocumentIterator::const_iterator it = begin();
|
|
|
|
|
DocumentIterator::const_iterator et = end();
|
2004-01-26 10:13:15 +00:00
|
|
|
|
for ( ; it != et; ++it)
|
|
|
|
|
it->cell().touch();
|
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void LCursor::normalize()
|
|
|
|
|
{
|
|
|
|
|
if (idx() >= nargs()) {
|
|
|
|
|
lyxerr << "this should not really happen - 1: "
|
|
|
|
|
<< idx() << ' ' << nargs()
|
2004-03-18 12:53:43 +00:00
|
|
|
|
<< " in: " << &inset() << endl;
|
2004-01-26 10:13:15 +00:00
|
|
|
|
}
|
2004-02-03 14:29:00 +00:00
|
|
|
|
idx() = min(idx(), lastidx());
|
2004-01-26 10:13:15 +00:00
|
|
|
|
|
|
|
|
|
if (pos() > lastpos()) {
|
|
|
|
|
lyxerr << "this should not really happen - 2: "
|
|
|
|
|
<< pos() << ' ' << lastpos() << " in idx: " << idx()
|
|
|
|
|
<< " in atom: '";
|
|
|
|
|
WriteStream wi(lyxerr, false, true);
|
2004-03-18 12:53:43 +00:00
|
|
|
|
inset().asMathInset()->write(wi);
|
2004-01-26 10:13:15 +00:00
|
|
|
|
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)
|
|
|
|
|
{
|
2004-02-16 11:58:51 +00:00
|
|
|
|
// 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!
|
2004-03-18 16:05:32 +00:00
|
|
|
|
|
2004-01-26 10:13:15 +00:00
|
|
|
|
int xo = 0;
|
|
|
|
|
int yo = 0;
|
2004-01-30 11:41:12 +00:00
|
|
|
|
getPos(xo, yo);
|
2004-01-26 10:13:15 +00:00
|
|
|
|
|
|
|
|
|
// check if we had something else in mind, if not, this is the future goal
|
|
|
|
|
if (x_target() == -1)
|
2004-01-30 11:41:12 +00:00
|
|
|
|
x_target() = xo;
|
2004-01-26 10:13:15 +00:00
|
|
|
|
else
|
|
|
|
|
xo = x_target();
|
|
|
|
|
|
|
|
|
|
// try neigbouring script insets
|
|
|
|
|
if (!selection()) {
|
|
|
|
|
// try left
|
|
|
|
|
if (pos() != 0) {
|
|
|
|
|
MathScriptInset const * p = prevAtom()->asScriptInset();
|
|
|
|
|
if (p && p->has(up)) {
|
|
|
|
|
--pos();
|
|
|
|
|
push(inset());
|
|
|
|
|
idx() = up; // the superscript has index 1
|
|
|
|
|
pos() = lastpos();
|
|
|
|
|
//lyxerr << "updown: handled by scriptinset to the left" << endl;
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// try right
|
|
|
|
|
if (pos() != lastpos()) {
|
|
|
|
|
MathScriptInset const * p = nextAtom()->asScriptInset();
|
|
|
|
|
if (p && p->has(up)) {
|
|
|
|
|
push(inset());
|
|
|
|
|
idx() = up;
|
|
|
|
|
pos() = 0;
|
|
|
|
|
//lyxerr << "updown: handled by scriptinset to the right" << endl;
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// try current cell for e.g. text insets
|
2004-03-18 12:53:43 +00:00
|
|
|
|
if (inset().idxUpDown2(*this, up))
|
2004-01-26 10:13:15 +00:00
|
|
|
|
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)) {
|
|
|
|
|
// 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) {
|
2004-03-18 12:53:43 +00:00
|
|
|
|
//lyxerr << "updown: We are in " << &inset() << " idx: " << idx() << endl;
|
2004-01-26 10:13:15 +00:00
|
|
|
|
// ask inset first
|
2004-03-18 12:53:43 +00:00
|
|
|
|
if (inset().idxUpDown(*this, up)) {
|
2004-01-26 10:13:15 +00:00
|
|
|
|
// try to find best position within this inset
|
|
|
|
|
if (!selection())
|
|
|
|
|
bruteFind2(xo, yo);
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// no such inset found, just take something "above"
|
|
|
|
|
//lyxerr << "updown: handled by strange case" << endl;
|
|
|
|
|
if (!popLeft()) {
|
2004-03-18 16:05:32 +00:00
|
|
|
|
int ylow = up ? 0 : yo + 1;
|
|
|
|
|
int yhigh = up ? yo - 1 : bv().workHeight();
|
|
|
|
|
return bruteFind(xo, yo, 0, bv().workWidth(), ylow, yhigh);
|
2004-01-26 10:13:15 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// any improvement so far?
|
|
|
|
|
int xnew, ynew;
|
2004-01-30 11:41:12 +00:00
|
|
|
|
getPos(xnew, ynew);
|
2004-01-26 10:13:15 +00:00
|
|
|
|
if (up ? ynew < yo : ynew > yo)
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
bool LCursor::bruteFind(int x, int y, int xlow, int xhigh, int ylow, int yhigh)
|
|
|
|
|
{
|
2004-03-18 16:05:32 +00:00
|
|
|
|
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);
|
2004-01-26 10:13:15 +00:00
|
|
|
|
|
2004-03-18 16:41:45 +00:00
|
|
|
|
DocumentIterator it(bv().buffer()->inset());
|
2004-03-18 16:05:32 +00:00
|
|
|
|
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()) {
|
2004-01-26 10:13:15 +00:00
|
|
|
|
// avoid invalid nesting when selecting
|
|
|
|
|
if (!selection() || positionable(it, anchor_)) {
|
2004-03-18 16:05:32 +00:00
|
|
|
|
int xo = 0, yo = 0;
|
2004-01-30 11:41:12 +00:00
|
|
|
|
CursorSlice & cur = it.back();
|
2004-03-18 12:53:43 +00:00
|
|
|
|
cur.inset().getCursorPos(cur, xo, yo);
|
2004-01-26 10:13:15 +00:00
|
|
|
|
if (xlow <= xo && xo <= xhigh && ylow <= yo && yo <= yhigh) {
|
|
|
|
|
double d = (x - xo) * (x - xo) + (y - yo) * (y - yo);
|
2004-03-18 16:05:32 +00:00
|
|
|
|
lyxerr << "xo: " << xo << " yo: " << yo << " d: " << d << endl;
|
2004-01-26 10:13:15 +00:00
|
|
|
|
// '<=' 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) {
|
2004-03-18 16:05:32 +00:00
|
|
|
|
lyxerr << "*" << endl;
|
2004-01-26 10:13:15 +00:00
|
|
|
|
best_dist = d;
|
|
|
|
|
best_cursor = it;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2004-03-18 16:05:32 +00:00
|
|
|
|
lyxerr << "best_dist: " << best_dist << " cur:\n" << best_cursor << endl;
|
2004-01-26 10:13:15 +00:00
|
|
|
|
if (best_dist < 1e10)
|
2004-03-01 17:12:09 +00:00
|
|
|
|
setCursor(best_cursor, false);
|
2004-01-26 10:13:15 +00:00
|
|
|
|
return best_dist < 1e10;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void LCursor::bruteFind2(int x, int y)
|
|
|
|
|
{
|
|
|
|
|
double best_dist = 1e10;
|
|
|
|
|
|
2004-03-01 17:12:09 +00:00
|
|
|
|
DocumentIterator it = *this;
|
2004-02-16 11:58:51 +00:00
|
|
|
|
it.back().pos() = 0;
|
2004-03-01 17:12:09 +00:00
|
|
|
|
DocumentIterator et = *this;
|
2004-03-18 16:41:45 +00:00
|
|
|
|
et.back().pos() = et.back().asMathInset()->cell(et.back().idx()).size();
|
2004-01-26 10:13:15 +00:00
|
|
|
|
for (int i = 0; ; ++i) {
|
|
|
|
|
int xo, yo;
|
2004-01-30 11:41:12 +00:00
|
|
|
|
CursorSlice & cur = it.back();
|
2004-03-18 12:53:43 +00:00
|
|
|
|
cur.inset().getCursorPos(cur, xo, yo);
|
2004-01-26 10:13:15 +00:00
|
|
|
|
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;
|
2004-03-01 17:12:09 +00:00
|
|
|
|
setCursor(it, false);
|
2004-01-26 10:13:15 +00:00
|
|
|
|
}
|
|
|
|
|
if (it == et)
|
|
|
|
|
break;
|
2004-03-01 17:12:09 +00:00
|
|
|
|
it.forwardPos();
|
2004-01-26 10:13:15 +00:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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
|
2004-03-01 17:12:09 +00:00
|
|
|
|
CursorSlice normal = anchor_[size() - 1];
|
2004-01-26 10:13:15 +00:00
|
|
|
|
#if 0
|
|
|
|
|
if (depth() < anchor_.size() && !(normal < xx())) {
|
|
|
|
|
// anchor is behind cursor -> move anchor behind the inset
|
|
|
|
|
++normal.pos_;
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
return normal;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void LCursor::handleFont(string const & font)
|
|
|
|
|
{
|
2004-02-11 14:45:44 +00:00
|
|
|
|
lyxerr << "LCursor::handleFont: " << font << endl;
|
2004-01-26 10:13:15 +00:00
|
|
|
|
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);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2004-02-03 11:49:05 +00:00
|
|
|
|
void LCursor::message(string const & msg) const
|
|
|
|
|
{
|
|
|
|
|
bv().owner()->getLyXFunc().setMessage(msg);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void LCursor::errorMessage(string const & msg) const
|
|
|
|
|
{
|
|
|
|
|
bv().owner()->getLyXFunc().setErrorMessage(msg);
|
|
|
|
|
}
|
2004-02-11 14:45:44 +00:00
|
|
|
|
|
|
|
|
|
|
|
|
|
|
string LCursor::selectionAsString(bool label) const
|
|
|
|
|
{
|
|
|
|
|
if (!selection())
|
|
|
|
|
return string();
|
|
|
|
|
|
|
|
|
|
if (inTexted()) {
|
|
|
|
|
Buffer const & buffer = *bv().buffer();
|
|
|
|
|
|
|
|
|
|
// should be const ...
|
|
|
|
|
ParagraphList::iterator startpit = text()->getPar(selBegin());
|
|
|
|
|
ParagraphList::iterator endpit = text()->getPar(selEnd());
|
|
|
|
|
size_t const startpos = selBegin().pos();
|
|
|
|
|
size_t const endpos = selEnd().pos();
|
|
|
|
|
|
|
|
|
|
if (startpit == endpit)
|
|
|
|
|
return startpit->asString(buffer, startpos, endpos, label);
|
|
|
|
|
|
|
|
|
|
// First paragraph in selection
|
|
|
|
|
string result =
|
|
|
|
|
startpit->asString(buffer, startpos, 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";
|
|
|
|
|
|
|
|
|
|
// Last paragraph in selection
|
|
|
|
|
result += endpit->asString(buffer, 0, endpos, label);
|
|
|
|
|
|
|
|
|
|
return result;
|
|
|
|
|
}
|
|
|
|
|
|
2004-03-18 12:53:43 +00:00
|
|
|
|
#warning and mathed?
|
2004-02-11 14:45:44 +00:00
|
|
|
|
return string();
|
|
|
|
|
}
|
2004-02-13 07:30:59 +00:00
|
|
|
|
|
|
|
|
|
|
|
|
|
|
string LCursor::currentState()
|
|
|
|
|
{
|
|
|
|
|
if (inMathed()) {
|
|
|
|
|
std::ostringstream os;
|
|
|
|
|
info(os);
|
|
|
|
|
return os.str();
|
|
|
|
|
}
|
2004-03-18 12:53:43 +00:00
|
|
|
|
|
|
|
|
|
if (inTexted())
|
|
|
|
|
return text()->currentState(*this);
|
|
|
|
|
|
|
|
|
|
return string();
|
2004-02-13 07:30:59 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// only used by the spellchecker
|
|
|
|
|
void LCursor::replaceWord(string const & replacestring)
|
|
|
|
|
{
|
|
|
|
|
LyXText * t = text();
|
2004-02-20 08:44:11 +00:00
|
|
|
|
BOOST_ASSERT(t);
|
2004-02-13 07:30:59 +00:00
|
|
|
|
|
|
|
|
|
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)
|
2004-02-20 17:19:53 +00:00
|
|
|
|
t->cursorLeft(*this);
|
2004-02-13 07:30:59 +00:00
|
|
|
|
}
|
|
|
|
|
|
2004-02-13 11:05:29 +00:00
|
|
|
|
|
|
|
|
|
void LCursor::update()
|
|
|
|
|
{
|
|
|
|
|
bv().update();
|
|
|
|
|
}
|
2004-02-13 13:51:12 +00:00
|
|
|
|
|
|
|
|
|
|
|
|
|
|
string LCursor::getPossibleLabel()
|
|
|
|
|
{
|
|
|
|
|
return inMathed() ? "eq:" : text()->getPossibleLabel(*this);
|
|
|
|
|
}
|
2004-02-16 11:58:51 +00:00
|
|
|
|
|
|
|
|
|
|
2004-03-18 12:53:43 +00:00
|
|
|
|
Encoding const * LCursor::getEncoding() const
|
2004-02-16 11:58:51 +00:00
|
|
|
|
{
|
2004-03-18 12:53:43 +00:00
|
|
|
|
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();
|
2004-02-16 11:58:51 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2004-03-18 12:53:43 +00:00
|
|
|
|
void LCursor::undispatched()
|
2004-02-16 11:58:51 +00:00
|
|
|
|
{
|
2004-03-18 12:53:43 +00:00
|
|
|
|
disp_.dispatched(false);
|
2004-02-16 11:58:51 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2004-03-01 17:12:09 +00:00
|
|
|
|
void LCursor::noUpdate()
|
2004-02-16 11:58:51 +00:00
|
|
|
|
{
|
|
|
|
|
disp_.update(false);
|
|
|
|
|
}
|