lyx_mirror/src/insets/insettabular.C

/* This file is part of
 * ======================================================
 * 
 *           LyX, The Document Processor
 *
 *           Copyright 2000 The LyX Team.
 *
 * ======================================================
 */

#include <config.h>

#include <fstream>
#include <algorithm>

#include <cstdlib>

#ifdef __GNUG__
#pragma implementation
#endif

#include "insettabular.h"

#include "buffer.h"
#include "commandtags.h"
#include "debug.h"
#include "LaTeXFeatures.h"
#include "Painter.h"
#include "font.h"
#include "lyxtext.h"
#include "lyx_gui_misc.h"
#include "LyXView.h"
#include "lyxfunc.h"
#include "insets/insettext.h"
#include "frontends/Dialogs.h"
#include "debug.h"
#include "lyxfunc.h"
#include "WorkArea.h"
#include "gettext.h"
#include "language.h"

using std::ostream;
using std::ifstream;
using std::max;
using std::endl;
using std::swap;
using std::max;


namespace {

const int ADD_TO_HEIGHT = 2;
const int ADD_TO_TABULAR_WIDTH = 2;
///
LyXTabular * paste_tabular = 0;


struct tabular_features {
	LyXTabular::Feature action;
	string feature;
};

//tabular_features * tabularFeatures = 0;

tabular_features tabularFeatures[] =
{
	{ LyXTabular::APPEND_ROW, "append-row" },
	{ LyXTabular::APPEND_COLUMN, "append-column" },
	{ LyXTabular::DELETE_ROW, "delete-row" },
	{ LyXTabular::DELETE_COLUMN, "delete-column" },
	{ LyXTabular::TOGGLE_LINE_TOP, "toggle-line-top" },
	{ LyXTabular::TOGGLE_LINE_BOTTOM, "toggle-line-bottom" },
	{ LyXTabular::TOGGLE_LINE_LEFT, "toggle-line-left" },
	{ LyXTabular::TOGGLE_LINE_RIGHT, "toggle-line-right" },
	{ LyXTabular::ALIGN_LEFT, "align-left" },
	{ LyXTabular::ALIGN_RIGHT, "align-right" },
	{ LyXTabular::ALIGN_CENTER, "align-center" },
	{ LyXTabular::VALIGN_TOP, "valign-top" },
	{ LyXTabular::VALIGN_BOTTOM, "valign-bottom" },
	{ LyXTabular::VALIGN_CENTER, "valign-center" },
	{ LyXTabular::M_TOGGLE_LINE_TOP, "m-toggle-line-top" },
	{ LyXTabular::M_TOGGLE_LINE_BOTTOM, "m-toggle-line-bottom" },
	{ LyXTabular::M_TOGGLE_LINE_LEFT, "m-toggle-line-left" },
	{ LyXTabular::M_TOGGLE_LINE_RIGHT, "m-toggle-line-right" },
	{ LyXTabular::M_ALIGN_LEFT, "m-align-left" },
	{ LyXTabular::M_ALIGN_RIGHT, "m-align-right" },
	{ LyXTabular::M_ALIGN_CENTER, "m-align-center" },
	{ LyXTabular::M_VALIGN_TOP, "m-valign-top" },
	{ LyXTabular::M_VALIGN_BOTTOM, "m-valign-bottom" },
	{ LyXTabular::M_VALIGN_CENTER, "m-valign-center" },
	{ LyXTabular::MULTICOLUMN, "multicolumn" },
	{ LyXTabular::SET_ALL_LINES, "set-all-lines" },
	{ LyXTabular::UNSET_ALL_LINES, "unset-all-lines" },
	{ LyXTabular::SET_LONGTABULAR, "set-longtabular" },
	{ LyXTabular::UNSET_LONGTABULAR, "unset-longtabular" },
	{ LyXTabular::SET_PWIDTH, "set-pwidth" },
	{ LyXTabular::SET_MPWIDTH, "set-mpwidth" },
	{ LyXTabular::SET_ROTATE_TABULAR, "set-rotate-tabular" },
	{ LyXTabular::UNSET_ROTATE_TABULAR, "unset-rotate-tabular" },
	{ LyXTabular::SET_ROTATE_CELL, "set-rotate-cell" },
	{ LyXTabular::UNSET_ROTATE_CELL, "unset-rotate-cell" },
	{ LyXTabular::SET_USEBOX, "set-usebox" },
	{ LyXTabular::SET_LTHEAD, "set-lthead" },
	{ LyXTabular::SET_LTFIRSTHEAD, "set-ltfirsthead" },
	{ LyXTabular::SET_LTFOOT, "set-ltfoot" },
	{ LyXTabular::SET_LTLASTFOOT, "set-ltlastfoot" },
	{ LyXTabular::SET_LTNEWPAGE, "set-ltnewpage" },
	{ LyXTabular::SET_SPECIAL_COLUMN, "set-special-column" },
	{ LyXTabular::SET_SPECIAL_MULTI, "set-special-multi" },
	{ LyXTabular::LAST_ACTION, "" }
};

} // namespace anon


bool InsetTabular::hasPasteBuffer() const
{
	return (paste_tabular != 0);
}


InsetTabular::InsetTabular(Buffer const & buf, int rows, int columns)
	: buffer(&buf)
{
	if (rows <= 0)
		rows = 1;
	if (columns <= 0)
		columns = 1;
	//tabular = new LyXTabular(this, rows,columns);
	tabular.reset(new LyXTabular(this, rows,columns));
	// for now make it always display as display() inset
	// just for test!!!
	the_locking_inset = 0;
	locked = no_selection = false;
#if 0
	cursor_visible = false;
#endif
	oldcell = -1;
	actrow = actcell = 0;
	clearSelection();
	need_update = INIT;
	no_draw = false;
}


InsetTabular::InsetTabular(InsetTabular const & tab, Buffer const & buf)
	: buffer(&buf)
{
	//tabular = new LyXTabular(this, *(tab.tabular));
	tabular.reset(new LyXTabular(this, *(tab.tabular)));
	the_locking_inset = 0;
	locked = no_selection = false;
#if 0
	cursor_visible = false;
#endif
	oldcell = -1;
	actrow = actcell = 0;
	sel_cell_start = sel_cell_end = 0;
	need_update = INIT;
	no_draw = false;
}


InsetTabular::~InsetTabular()
{
	//delete tabular;
	hideDialog();
}


Inset * InsetTabular::Clone(Buffer const & buf) const
{
	InsetTabular * t = new InsetTabular(*this, buf);
	//delete t->tabular;
	//t->tabular = tabular->Clone(t);
	t->tabular.reset(tabular->Clone(t));
	return t;
}


void InsetTabular::Write(Buffer const * buf, ostream & os) const
{
	os << " Tabular" << endl;
	tabular->Write(buf, os);
}


void InsetTabular::Read(Buffer const * buf, LyXLex & lex)
{
	bool const old_format = (lex.GetString() == "\\LyXTable");

	//if (tabular)
	//delete tabular;
	//tabular = new LyXTabular(buf, this, lex);
	tabular.reset(new LyXTabular(buf, this, lex));

	need_update = INIT;

	if (old_format)
		return;

	lex.nextToken();
	string token = lex.GetString();
	while (lex.IsOK() && (token != "\\end_inset")) {
		lex.nextToken();
		token = lex.GetString();
	}
	if (token != "\\end_inset") {
		lex.printError("Missing \\end_inset at this point. "
			       "Read: `$$Token'");
	}
}


int InsetTabular::ascent(BufferView *, LyXFont const &) const
{
	return tabular->GetAscentOfRow(0);
}


int InsetTabular::descent(BufferView *, LyXFont const &) const
{
	return tabular->GetHeightOfTabular() - tabular->GetAscentOfRow(0) + 1;
}


int InsetTabular::width(BufferView *, LyXFont const &) const
{
	return tabular->GetWidthOfTabular() + (2 * ADD_TO_TABULAR_WIDTH);
}


void InsetTabular::draw(BufferView * bv, LyXFont const & font, int baseline,
			float & x, bool cleared) const
{
	if (no_draw)
		return;
	
	Painter & pain = bv->painter();
	int i;
	int j;
	int nx;
	
	UpdatableInset::draw(bv, font, baseline, x, cleared);
	if (!cleared && ((need_update == INIT) || (need_update == FULL) ||
			 (top_x != int(x)) || (top_baseline != baseline))) {
		int h = ascent(bv, font) + descent(bv, font);
		int const tx = display() || !owner() ? 0 : top_x;
		int w =  tx ? width(bv, font) : pain.paperWidth();
		int ty = baseline - ascent(bv, font);
	
		if (ty < 0)
			ty = 0;
		if ((ty + h) > pain.paperHeight())
			h = pain.paperHeight();
		if ((top_x + w) > pain.paperWidth())
			w = pain.paperWidth();
		pain.fillRectangle(tx, ty, w, h);
		need_update = FULL;
		cleared = true;
	}
	top_x = int(x);
	top_baseline = baseline;
	if (bv->text->status == LyXText::CHANGED_IN_DRAW)
		return;
	bool dodraw;
	x += ADD_TO_TABULAR_WIDTH;
	if (cleared) {
		int cell = 0;
		float cx;
		first_visible_cell = -1;
		for (i = 0; i < tabular->rows(); ++i) {
			nx = int(x);
			dodraw = ((baseline + tabular->GetDescentOfRow(i)) > 0) &&
				(baseline - tabular->GetAscentOfRow(i))<pain.paperHeight();
			for (j = 0; j < tabular->columns(); ++j) {
				if (tabular->IsPartOfMultiColumn(i, j))
					continue;
				cx = nx + tabular->GetBeginningOfTextInCell(cell);
				if (dodraw) {
					if (first_visible_cell < 0)
						first_visible_cell = cell;
					if (hasSelection())
						DrawCellSelection(pain, nx, baseline, i, j, cell);
					tabular->GetCellInset(cell)->draw(bv, font, baseline, cx,
									  cleared);
					DrawCellLines(pain, nx, baseline, i, cell);
				}
				nx += tabular->GetWidthOfColumn(cell);
				++cell;
			}
			baseline += tabular->GetDescentOfRow(i) +
				tabular->GetAscentOfRow(i + 1) +
				tabular->GetAdditionalHeight(cell);
		}
	} else if (need_update == CELL) {
		int cell = 0;
		nx = int(x);
		if (the_locking_inset) {
			Inset * inset = tabular->GetCellInset(cell);
			for (i = 0;
			     inset != the_locking_inset && i < tabular->rows();
			     ++i) {
				for (j = 0;
				     inset != the_locking_inset
					     && j < tabular->columns();
				     ++j) {
					if (tabular->IsPartOfMultiColumn(i, j))
						continue;
					nx += tabular->GetWidthOfColumn(cell);
					++cell;
					inset = tabular->GetCellInset(cell);
				}
				if (tabular->row_of_cell(cell) > i) {
					nx = int(x);
					baseline += tabular->GetDescentOfRow(i) +
						tabular->GetAscentOfRow(i + 1) +
						tabular->GetAdditionalHeight(cell);
				}
			}
		} else {
			for (i = 0;
			     cell < actcell && i < tabular->rows(); ++i) {
				for (j = 0; (cell < actcell) && (j < tabular->columns()); ++j) {
					if (tabular->IsPartOfMultiColumn(i, j))
						continue;
					nx += tabular->GetWidthOfColumn(cell);
					++cell;
				}
				if (tabular->row_of_cell(cell) > i) {
					nx = int(x);
					baseline += tabular->GetDescentOfRow(i) +
						tabular->GetAscentOfRow(i + 1) +
						tabular->GetAdditionalHeight(cell);
				}
			}
		}
		i = tabular->row_of_cell(cell);
		if (the_locking_inset != tabular->GetCellInset(cell)) {
			lyxerr[Debug::INSETS] << "ERROR this shouldn't happen\n";
			return;
		}
		float dx = nx + tabular->GetBeginningOfTextInCell(cell);
		float cx = dx;
		//cx = dx = nx + tabular->GetBeginningOfTextInCell(cell);
		tabular->GetCellInset(cell)->draw(bv,font,baseline, dx, false);
		if (bv->text->status == LyXText::CHANGED_IN_DRAW)
			return;
		// clear only if we didn't have a change
		if (need_update == CELL) {
			// clear before the inset
			pain.fillRectangle(
				nx + 1,
				baseline - tabular->GetAscentOfRow(i) + 1,
				int(cx - nx - 1),
				tabular->GetAscentOfRow(i) +
				tabular->GetDescentOfRow(i) - 1);
			// clear behind the inset
			pain.fillRectangle(
				int(cx + the_locking_inset->width(bv,font) + 1),
				baseline - tabular->GetAscentOfRow(i) + 1,
				tabular->GetWidthOfColumn(cell) -
				tabular->GetBeginningOfTextInCell(cell) -
				the_locking_inset->width(bv,font) -
				tabular->GetAdditionalWidth(cell) - 1,
				tabular->GetAscentOfRow(i) +
				tabular->GetDescentOfRow(i) - 1);
		}
	}
	x -= ADD_TO_TABULAR_WIDTH;
	x += width(bv, font);
	if (bv->text->status == LyXText::CHANGED_IN_DRAW)
		need_update = INIT;
	else
		need_update = NONE;
}


void InsetTabular::DrawCellLines(Painter & pain, int x, int baseline,
				 int row, int cell) const
{
	int x2 = x + tabular->GetWidthOfColumn(cell);
	bool on_off;
	
	if (!tabular->TopAlreadyDrawed(cell)) {
		on_off = !tabular->TopLine(cell);
		pain.line(x, baseline - tabular->GetAscentOfRow(row),
			  x2, baseline -  tabular->GetAscentOfRow(row),
			  on_off ? LColor::tabularonoffline : LColor::tabularline,
			  on_off ? Painter::line_onoffdash : Painter::line_solid);
	}
	on_off = !tabular->BottomLine(cell);
	pain.line(x,baseline +  tabular->GetDescentOfRow(row),
		  x2, baseline +  tabular->GetDescentOfRow(row),
		  on_off ? LColor::tabularonoffline : LColor::tabularline,
		  on_off ? Painter::line_onoffdash : Painter::line_solid);
	if (!tabular->LeftAlreadyDrawed(cell)) {
		on_off = !tabular->LeftLine(cell);
		pain.line(x, baseline -  tabular->GetAscentOfRow(row),
			  x, baseline +  tabular->GetDescentOfRow(row),
			  on_off ? LColor::tabularonoffline : LColor::tabularline,
			  on_off ? Painter::line_onoffdash : Painter::line_solid);
	}
	on_off = !tabular->RightLine(cell);
	pain.line(x2 - tabular->GetAdditionalWidth(cell),
		  baseline -  tabular->GetAscentOfRow(row),
		  x2 - tabular->GetAdditionalWidth(cell),
		  baseline +  tabular->GetDescentOfRow(row),
		  on_off ? LColor::tabularonoffline : LColor::tabularline,
		  on_off ? Painter::line_onoffdash : Painter::line_solid);
}


void InsetTabular::DrawCellSelection(Painter & pain, int x, int baseline,
				     int row, int column, int cell) const
{
	int cs = tabular->column_of_cell(sel_cell_start);
	int ce = tabular->column_of_cell(sel_cell_end);
	if (cs > ce) {
		ce = cs;
		cs = tabular->column_of_cell(sel_cell_end);
	} else {
		ce = tabular->right_column_of_cell(sel_cell_end);
	}
	
	int rs = tabular->row_of_cell(sel_cell_start);
	int re = tabular->row_of_cell(sel_cell_end);
	if (rs > re) swap(rs, re);
	
	if ((column >= cs) && (column <= ce) && (row >= rs) && (row <= re)) {
		int w = tabular->GetWidthOfColumn(cell);
		int h = tabular->GetAscentOfRow(row) + tabular->GetDescentOfRow(row);
		pain.fillRectangle(x, baseline - tabular->GetAscentOfRow(row),
				   w, h, LColor::selection);
	}
}


void InsetTabular::update(BufferView * bv, LyXFont const & font, bool reinit)
{
	if (reinit) {
		need_update = INIT;
		calculate_dimensions_of_cells(bv, font, true);
		if (owner())
			owner()->update(bv, font, true);
		return;
	}
	if (the_locking_inset) {
		the_locking_inset->update(bv, font, reinit);
//	resetPos(bv);
//	inset_x = cursor.x() - top_x + tabular->GetBeginningOfTextInCell(actcell);
//	inset_y = cursor.y();
	}
	switch (need_update) {
	case INIT:
	case FULL:
	case CELL:
		if (calculate_dimensions_of_cells(bv, font, false))
			need_update = INIT;
		break;
	case SELECTION:
		need_update = INIT;
		break;
	default:
		break;
	}
}


string const InsetTabular::EditMessage() const
{
	return _("Opened Tabular Inset");
}


void InsetTabular::Edit(BufferView * bv, int x, int y, unsigned int button)
{
	UpdatableInset::Edit(bv, x, y, button);
	
	if (!bv->lockInset(this)) {
		lyxerr[Debug::INSETS] << "InsetTabular::Cannot lock inset" << endl;
		return;
	}
	locked = true;
	the_locking_inset = 0;
	inset_x = 0;
	inset_y = 0;
	setPos(bv, x, y);
	sel_cell_start = sel_cell_end = actcell;
	bv->text->FinishUndo();
	if (InsetHit(bv, x, y) && (button != 3)) {
		ActivateCellInsetAbs(bv, x, y, button);
	}
//    UpdateLocal(bv, NONE, false);
//    bv->getOwner()->getPopups().updateFormTabular();
}


void InsetTabular::InsetUnlock(BufferView * bv)
{
	if (the_locking_inset) {
		the_locking_inset->InsetUnlock(bv);
		the_locking_inset = 0;
	}
	HideInsetCursor(bv);
	no_selection = false;
	oldcell = -1;
	locked = false;
	if (scroll() || hasSelection()) {
		sel_cell_start = sel_cell_end = 0;
		if (scroll()) {
			scroll(bv, 0.0F);
		}
		UpdateLocal(bv, FULL, false);
	}
}


void InsetTabular::UpdateLocal(BufferView * bv, UpdateCodes what,
			       bool mark_dirty) const
{
	if (need_update < what) // only set this if it has greater update
		need_update = what;
	if ((what == INIT) && hasSelection())
		clearSelection();
	// Dirty Cast! (Lgb)
	if (need_update != NONE) {
		bv->updateInset(const_cast<InsetTabular *>(this), mark_dirty);
		if (locked) // && (what != NONE))
			resetPos(bv);
	}
}


bool InsetTabular::LockInsetInInset(BufferView * bv, UpdatableInset * inset)
{
	lyxerr[Debug::INSETS] << "InsetTabular::LockInsetInInset("
			      << inset << "): ";
	if (!inset)
		return false;
	oldcell = -1;
	if (inset == tabular->GetCellInset(actcell)) {
		lyxerr[Debug::INSETS] << "OK" << endl;
		the_locking_inset = tabular->GetCellInset(actcell);
		resetPos(bv);
		inset_x = cursor.x() - top_x + tabular->GetBeginningOfTextInCell(actcell);
		inset_y = cursor.y();
		return true;
	} else if (the_locking_inset && (the_locking_inset == inset)) {
		lyxerr[Debug::INSETS] << "OK" << endl;
		resetPos(bv);
		inset_x = cursor.x() - top_x + tabular->GetBeginningOfTextInCell(actcell);
		inset_y = cursor.y();
	} else if (the_locking_inset) {
		lyxerr[Debug::INSETS] << "MAYBE" << endl;
		return the_locking_inset->LockInsetInInset(bv, inset);
	}
	lyxerr[Debug::INSETS] << "NOT OK" << endl;
	return false;
}


bool InsetTabular::UnlockInsetInInset(BufferView * bv, UpdatableInset * inset,
				      bool lr)
{
	if (!the_locking_inset)
		return false;
	if (the_locking_inset == inset) {
		the_locking_inset->InsetUnlock(bv);
		the_locking_inset = 0;
		UpdateLocal(bv, CELL, false);
		ShowInsetCursor(bv, false);
		return true;
	}
	if (the_locking_inset->UnlockInsetInInset(bv, inset, lr)) {
		if (inset->LyxCode() == TABULAR_CODE &&
		    !the_locking_inset->GetFirstLockingInsetOfType(TABULAR_CODE)) {
			bv->owner()->getDialogs()->updateTabular(this);
			oldcell = actcell;
		}
		return true;
	}
	return false;
}


bool InsetTabular::UpdateInsetInInset(BufferView * bv, Inset * inset)
{
	if (!the_locking_inset)
		return false;
	if (the_locking_inset != inset) {
		if (!the_locking_inset->UpdateInsetInInset(bv, inset))
			return false;
	}
	UpdateLocal(bv, CELL, false);
	return true;
}


unsigned int InsetTabular::InsetInInsetY()
{
	if (!the_locking_inset)
		return 0;
	
	return inset_y + the_locking_inset->InsetInInsetY();
}


UpdatableInset * InsetTabular::GetLockingInset()
{
	return the_locking_inset ? the_locking_inset->GetLockingInset() : this;
}


UpdatableInset * InsetTabular::GetFirstLockingInsetOfType(Inset::Code c)
{
	if (c == LyxCode())
		return this;
	if (the_locking_inset)
		return the_locking_inset->GetFirstLockingInsetOfType(c);
	return 0;
}


bool InsetTabular::InsertInset(BufferView * bv, Inset * inset)
{
	if (the_locking_inset)
		return the_locking_inset->InsertInset(bv, inset);
	return false;
}


void InsetTabular::InsetButtonPress(BufferView * bv, int x, int y, int button)
{
	if (hasSelection() && (button == 3))
		return;

	if (hasSelection()) {
		clearSelection();
		UpdateLocal(bv, SELECTION, false);
	}

	no_selection = false;

	int const ocell = actcell;
	int const orow = actrow;

	HideInsetCursor(bv);
	setPos(bv, x, y);
	if (actrow != orow)
		UpdateLocal(bv, NONE, false);
	sel_cell_start = sel_cell_end = actcell;
	if (button == 3) {
		if ((ocell != actcell) && the_locking_inset) {
			the_locking_inset->InsetUnlock(bv);
			the_locking_inset = 0;
		}
		ShowInsetCursor(bv);
		return;
	}

	bool const inset_hit = InsetHit(bv, x, y);

	if ((ocell == actcell) && the_locking_inset && inset_hit) {
		resetPos(bv);
		the_locking_inset->InsetButtonPress(bv,
						    x - inset_x, y - inset_y,
						    button);
		return;
	} else if (the_locking_inset) {
		the_locking_inset->InsetUnlock(bv);
	}
	the_locking_inset = 0;
	if (button == 2) {
		LocalDispatch(bv, LFUN_PASTESELECTION, "paragraph");
		return;
	}
	if (inset_hit && bv->theLockingInset()) {
		if (ActivateCellInsetAbs(bv, x, y, button))
			the_locking_inset->InsetButtonPress(bv,
							    x - inset_x,
							    y - inset_y,
							    button);
		return;
	}
	ShowInsetCursor(bv);
}


void InsetTabular::InsetButtonRelease(BufferView * bv,
				      int x, int y, int button)
{
	if (button == 3) {
		if (the_locking_inset) {
			UpdatableInset * i;
			if ((i=the_locking_inset->GetFirstLockingInsetOfType(TABULAR_CODE))) {
				i->InsetButtonRelease(bv, x, y, button);
				return;
			}
		}
		bv->owner()->getDialogs()->showTabular(this);
		return;
	}
	if (the_locking_inset) {
		the_locking_inset->InsetButtonRelease(bv,
						      x - inset_x, y - inset_y,
						      button);
		return;
	}
	no_selection = false;
}


void InsetTabular::InsetMotionNotify(BufferView * bv, int x, int y, int button)
{
	if (the_locking_inset) {
		the_locking_inset->InsetMotionNotify(bv,
						     x - inset_x,
						     y - inset_y,
						     button);
		return;
	}
	if (!no_selection) {
		HideInsetCursor(bv);
		int const old_cell = actcell;
		
		setPos(bv, x, y);
		sel_cell_end = actcell;
		if (sel_cell_end != old_cell)
			UpdateLocal(bv, SELECTION, false);
		ShowInsetCursor(bv);
	}
	no_selection = false;
}


void InsetTabular::InsetKeyPress(XKeyEvent * xke)
{
	if (the_locking_inset) {
		the_locking_inset->InsetKeyPress(xke);
		return;
	}
}


UpdatableInset::RESULT
InsetTabular::LocalDispatch(BufferView * bv,
			    kb_action action,
			    string const & arg)
{
	// We need to save the value of the_locking_inset as the call to 
	// the_locking_inset->LocalDispatch might unlock it.
	old_locking_inset = the_locking_inset;
	no_selection = false;
	UpdatableInset::RESULT result =
		UpdatableInset::LocalDispatch(bv, action, arg);
	if (result == DISPATCHED || result == DISPATCHED_NOUPDATE) {
		resetPos(bv);
		return result;
	}

	if ((action < 0) && arg.empty())
		return FINISHED;

	bool hs = hasSelection();

	result=DISPATCHED;
	// this one have priority over the locked InsetText!
	switch (action) {
	case LFUN_SHIFT_TAB:
	case LFUN_TAB:
	{
		HideInsetCursor(bv);
		if (the_locking_inset) {
			UnlockInsetInInset(bv, the_locking_inset);
			the_locking_inset = 0;
		}
		if (action == LFUN_TAB)
			moveNextCell(bv, old_locking_inset != 0);
		else
			movePrevCell(bv, old_locking_inset != 0);
		sel_cell_start = sel_cell_end = actcell;
		if (hs)
			UpdateLocal(bv, SELECTION, false);
		ShowInsetCursor(bv);
		return result;
	}
	// this to avoid compiler warnings.
	default:
		break;
	}

	if (the_locking_inset) {
		result=the_locking_inset->LocalDispatch(bv, action, arg);
		if (result == DISPATCHED_NOUPDATE) {
			int sc = scroll();
			resetPos(bv);
			if (sc != scroll()) { // inset has been scrolled
				the_locking_inset->ToggleInsetCursor(bv);
				UpdateLocal(bv, FULL, false);
				the_locking_inset->ToggleInsetCursor(bv);
			}
			return result;
		} else if (result == DISPATCHED) {
			the_locking_inset->ToggleInsetCursor(bv);
			UpdateLocal(bv, CELL, false);
			the_locking_inset->ToggleInsetCursor(bv);
			return result;
		} else if (result == FINISHED) {
		}
	}

	HideInsetCursor(bv);
	result=DISPATCHED;
	switch (action) {
		// --- Cursor Movements ----------------------------------
	case LFUN_RIGHTSEL:
		if (tabular->IsLastCellInRow(actcell))
			break;
		moveRight(bv, false);
		sel_cell_end = actcell;
		UpdateLocal(bv, SELECTION, false);
		break;
	case LFUN_RIGHT:
		result = moveRight(bv);
		sel_cell_start = sel_cell_end = actcell;
		if (hs)
			UpdateLocal(bv, SELECTION, false);
		break;
	case LFUN_LEFTSEL:
		if (tabular->IsFirstCellInRow(actcell))
			break;
		moveLeft(bv, false);
		sel_cell_end = actcell;
		UpdateLocal(bv, SELECTION, false);
		break;
	case LFUN_LEFT:
		result = moveLeft(bv);
		sel_cell_start = sel_cell_end = actcell;
		if (hs)
			UpdateLocal(bv, SELECTION, false);
		break;
	case LFUN_DOWNSEL:
	{
		int const ocell = actcell;
		moveDown(bv, false);
		if ((ocell == sel_cell_end) ||
		    (tabular->column_of_cell(ocell)>tabular->column_of_cell(actcell)))
			sel_cell_end = tabular->GetCellBelow(sel_cell_end);
		else
			sel_cell_end = tabular->GetLastCellBelow(sel_cell_end);
		UpdateLocal(bv, SELECTION, false);
	}
	break;
	case LFUN_DOWN:
		result = moveDown(bv, old_locking_inset != 0);
		sel_cell_start = sel_cell_end = actcell;
		if (hs)
			UpdateLocal(bv, SELECTION, false);
		break;
	case LFUN_UPSEL:
	{
		int const ocell = actcell;
		moveUp(bv, false);
		if ((ocell == sel_cell_end) ||
		    (tabular->column_of_cell(ocell)>tabular->column_of_cell(actcell)))
			sel_cell_end = tabular->GetCellAbove(sel_cell_end);
		else
			sel_cell_end = tabular->GetLastCellAbove(sel_cell_end);
		UpdateLocal(bv, SELECTION, false);
	}
	break;
	case LFUN_UP:
		result = moveUp(bv, old_locking_inset != 0);
		sel_cell_start = sel_cell_end = actcell;
		if (hs)
			UpdateLocal(bv, SELECTION, false);
		break;
	case LFUN_NEXT: {
		int column = actcol;
		if (the_locking_inset) {
			UnlockInsetInInset(bv, the_locking_inset);
			the_locking_inset = 0;
		}
		if (bv->text->first + bv->painter().paperHeight() <
		    (top_baseline + tabular->GetHeightOfTabular()))
			{
				bv->scrollCB(bv->text->first + bv->painter().paperHeight());
				UpdateLocal(bv, FULL, false);
				actcell = tabular->GetCellBelow(first_visible_cell) + column;
			} else {
				actcell = tabular->GetFirstCellInRow(tabular->rows() - 1) + column;
			}
		resetPos(bv);
		UpdateLocal(bv, CURSOR, false);
		break;
	}
	case LFUN_PRIOR: {
		int column = actcol;
		if (the_locking_inset) {
			UnlockInsetInInset(bv, the_locking_inset);
			the_locking_inset = 0;
		}
		if (top_baseline < 0) {
			bv->scrollCB(bv->text->first - bv->painter().paperHeight());
			UpdateLocal(bv, FULL, false);
			if (top_baseline > 0)
				actcell = column;
			else
				actcell = tabular->GetCellBelow(first_visible_cell) + column;
		} else {
			actcell = column;
		}
		resetPos(bv);
		UpdateLocal(bv, CURSOR, false);
		break;
	}
	case LFUN_BACKSPACE:
		break;
	case LFUN_DELETE:
		break;
	case LFUN_HOME:
		break;
	case LFUN_END:
		break;
	case LFUN_LAYOUT_TABULAR:
	{
		bv->owner()->getDialogs()->showTabular(this);
	}
	break;
	case LFUN_TABULAR_FEATURE:
		if (!TabularFeatures(bv, arg))
			result = UNDISPATCHED;
		break;
	case LFUN_CUT:
		if (!copySelection(bv))
			break;
		bv->text->SetUndo(bv->buffer(), Undo::DELETE,
#ifndef NEW_INSETS
				  bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous_,
				  bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next_
#else
				  bv->text->cursor.par()->previous(),
				  bv->text->cursor.par()->next()
#endif
			);
		cutSelection();
		UpdateLocal(bv, INIT, true);
		break;
	case LFUN_COPY:
		if (!hasSelection())
			break;
		bv->text->FinishUndo();
		copySelection(bv);
		break;
	case LFUN_PASTESELECTION:
	{
		string clip(bv->workarea()->getClipboard());
	
		if (clip.empty())
			break;
		if (clip.find('\t') != string::npos) {
			int cols = 1;
			int rows = 1;
			int maxCols = 1;
			unsigned int len = clip.length();
			string::size_type p = 0;

			while(p < len &&
			      ((p = clip.find_first_of("\t\n", p)) != string::npos)) {
				switch(clip[p]) {
				case '\t':
					++cols;
					break;
				case '\n':
					if ((p+1) < len)
						++rows;
					maxCols = max(cols, maxCols);
					cols = 1;
					break;
				}
				++p;
			}
			maxCols = max(cols, maxCols);
			delete paste_tabular;
			paste_tabular = new LyXTabular(this, rows, maxCols);
			string::size_type op = 0;
			int cell = 0;
			int cells = paste_tabular->GetNumberOfCells();
			p = cols = 0;
			while((cell < cells) && (p < len) &&
			      (p = clip.find_first_of("\t\n", p)) != string::npos) {
				if (p >= len)
					break;
				switch(clip[p]) {
				case '\t':
					paste_tabular->GetCellInset(cell)->SetText(clip.substr(op, p-op));
					++cols;
					++cell;
					break;
				case '\n':
					paste_tabular->GetCellInset(cell)->SetText(clip.substr(op, p-op));
					while(cols++ < maxCols)
						++cell;
					cols = 0;
					break;
				}
				++p;
				op = p;
			}
			// check for the last cell if there is no trailing '\n'
			if ((cell < cells) && (op < len))
				paste_tabular->GetCellInset(cell)->SetText(clip.substr(op, len-op));
		} else {
			// so that the clipboard is used and it goes on
			// to default
			// and executes LFUN_PASTESELECTION in insettext!
			delete paste_tabular;
			paste_tabular = 0;
		}
	}
	case LFUN_PASTE:
		if (hasPasteBuffer()) {
			bv->text->SetUndo(bv->buffer(), Undo::INSERT,
#ifndef NEW_INSETS
					  bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous_,
					  bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next_
#else
					  bv->text->cursor.par()->previous(),
					  bv->text->cursor.par()->next()
#endif
				);
			pasteSelection(bv);
			UpdateLocal(bv, INIT, true);
			break;
		}
		// ATTENTION: the function above has to be PASTE and PASTESELECTION!!!
	default:
		// we try to activate the actual inset and put this event down to
		// the insets dispatch function.
		result = UNDISPATCHED;
		if (the_locking_inset)
			break;
		no_draw = true;
		if (ActivateCellInset(bv)) {
			result = the_locking_inset->LocalDispatch(bv, action, arg);
			if ((result == UNDISPATCHED) || (result == FINISHED)) {
				UnlockInsetInInset(bv, the_locking_inset);
				no_draw = false;
				the_locking_inset = 0;
				return UNDISPATCHED;
			}
			no_draw = false;
			the_locking_inset->ToggleInsetCursor(bv);
			UpdateLocal(bv, CELL, false);
			the_locking_inset->ToggleInsetCursor(bv);
			return result;
		}
		break;
	}
	if (result!=FINISHED) {
		if (!the_locking_inset) {
			ShowInsetCursor(bv);
		}
	} else
		bv->unlockInset(this);
	return result;
}


int InsetTabular::Latex(Buffer const * buf, ostream & os,
			bool fragile, bool fp) const
{
	return tabular->Latex(buf, os, fragile, fp);
}


int InsetTabular::Ascii(Buffer const * buf, ostream & os, int) const
{
	// This should be changed to a real ascii export
	return tabular->Ascii(buf, os);
}


int InsetTabular::Linuxdoc(Buffer const *, ostream &) const
{
	return 0;
}


int InsetTabular::DocBook(Buffer const * buf, ostream & os) const
{
	return tabular->DocBook(buf,os);
}


void InsetTabular::Validate(LaTeXFeatures & features) const
{
	tabular->Validate(features);
}


bool InsetTabular::calculate_dimensions_of_cells(BufferView * bv,
						 LyXFont const & font,
						 bool reinit) const
{
	int cell = -1;
	int maxAsc = 0;
	int maxDesc = 0;
	InsetText * inset;
	bool changed = false;
	
	// if we have a locking_inset we should have to check only this cell for
	// change so I'll try this to have a boost, but who knows ;)
	if ((need_update != INIT) &&
	    (the_locking_inset == tabular->GetCellInset(actcell))) {
		for(int i = 0; i < tabular->columns(); ++i) {
			maxAsc = max(tabular->GetCellInset(actrow, i)->ascent(bv, font),
				     maxAsc);
			maxDesc = max(tabular->GetCellInset(actrow, i)->descent(bv, font),
				      maxDesc);
		}
		changed = tabular->SetWidthOfCell(actcell, the_locking_inset->width(bv, font));
		changed = tabular->SetAscentOfRow(actrow, maxAsc + ADD_TO_HEIGHT) || changed;
		changed = tabular->SetDescentOfRow(actrow, maxDesc + ADD_TO_HEIGHT) || changed;
		return changed;
	}
	for (int i = 0; i < tabular->rows(); ++i) {
		maxAsc = 0;
		maxDesc = 0;
		for (int j= 0; j < tabular->columns(); ++j) {
			if (tabular->IsPartOfMultiColumn(i,j))
				continue;
			++cell;
			inset = tabular->GetCellInset(cell);
			if (!reinit)
				inset->update(bv, font, false);
			maxAsc = max(maxAsc, inset->ascent(bv, font));
			maxDesc = max(maxDesc, inset->descent(bv, font));
			changed = tabular->SetWidthOfCell(cell, inset->width(bv, font)) || changed;
		}
		changed = tabular->SetAscentOfRow(i, maxAsc + ADD_TO_HEIGHT) || changed;
		changed = tabular->SetDescentOfRow(i, maxDesc + ADD_TO_HEIGHT) || changed;
	}
	return changed;
}


void InsetTabular::GetCursorPos(BufferView *,
				int & x, int & y) const
{
	x = cursor.x() - top_x;
	y = cursor.y();
}


void InsetTabular::ToggleInsetCursor(BufferView * bv)
{
	if (the_locking_inset) {
		the_locking_inset->ToggleInsetCursor(bv);
		return;
	}
	
	LyXFont font; // = the_locking_inset->GetFont(par, cursor.pos);
	
	int const asc = lyxfont::maxAscent(font);
	int const desc = lyxfont::maxDescent(font);
	
	if (isCursorVisible())
		bv->hideLockedInsetCursor();
	else
		bv->showLockedInsetCursor(cursor.x(), cursor.y(), asc, desc);
	toggleCursorVisible();
}


void InsetTabular::ShowInsetCursor(BufferView * bv, bool show)
{
	if (!isCursorVisible()) {
		LyXFont font; // = GetFont(par, cursor.pos);
	
		int const asc = lyxfont::maxAscent(font);
		int const desc = lyxfont::maxDescent(font);
		bv->fitLockedInsetCursor(cursor.x(), cursor.y(), asc, desc);
		if (show)
			bv->showLockedInsetCursor(cursor.x(), cursor.y(),
						  asc, desc);
		setCursorVisible(true);
	}
}


void InsetTabular::HideInsetCursor(BufferView * bv)
{
	if (isCursorVisible()) {
		bv->hideLockedInsetCursor();
		setCursorVisible(false);
	}
//    if (cursor_visible)
//        ToggleInsetCursor(bv);
}


void InsetTabular::setPos(BufferView * bv, int x, int y) const
{
	cursor.y(0);
	
	actcell = actrow = actcol = 0;
	int ly = tabular->GetDescentOfRow(actrow);

	// first search the right row
	while((ly < y) && (actrow < tabular->rows())) {
		cursor.y(cursor.y()
			 + tabular->GetDescentOfRow(actrow)
			 + tabular->GetAscentOfRow(actrow + 1)
			 + tabular->
			 GetAdditionalHeight(tabular->
					     GetCellNumber(actrow + 1,
							   actcol)));
		++actrow;
		ly = cursor.y() + tabular->GetDescentOfRow(actrow);
	}
	actcell = tabular->GetCellNumber(actrow, actcol);

	// now search the right column
	int lx = tabular->GetWidthOfColumn(actcell) -
		tabular->GetAdditionalWidth(actcell);
#if 0
#warning J<>rgen, can you rewrite this to _not_ use the sequencing operator. (Lgb)
	for (; !tabular->IsLastCellInRow(actcell) && (lx < x);
	     ++actcell,lx += tabular->GetWidthOfColumn(actcell) +
		     tabular->GetAdditionalWidth(actcell - 1));
#else
	// J<>rgen, you should check that this is correct. (Lgb)
	for (; !tabular->IsLastCellInRow(actcell) && lx < x; ++actcell) {
		lx += tabular->GetWidthOfColumn(actcell + 1)
			+ tabular->GetAdditionalWidth(actcell);
	}
	
#endif
	cursor.x(lx - tabular->GetWidthOfColumn(actcell) + top_x + 2);
	resetPos(bv);
}


int InsetTabular::getCellXPos(int cell) const
{
	int c = cell;
	
	for (; !tabular->IsFirstCellInRow(c); --c)
		;
	int lx = tabular->GetWidthOfColumn(cell);
	for (; c < cell; ++c) {
		lx += tabular->GetWidthOfColumn(c);
	}
	return (lx - tabular->GetWidthOfColumn(cell) + top_x);
}


void InsetTabular::resetPos(BufferView * bv) const
{
	if (!locked)
		return;
	actcol = tabular->column_of_cell(actcell);

	int cell = 0;
	actrow = 0;
	cursor.y(0);
	for (; (cell < actcell) && !tabular->IsLastRow(cell); ++cell) {
		if (tabular->IsLastCellInRow(cell)) {
			cursor.y(cursor.y()
				 + tabular->GetDescentOfRow(actrow)
				 + tabular->GetAscentOfRow(actrow + 1)
				 + tabular->GetAdditionalHeight(cell + 1));
			++actrow;
		}
	}
	static int const offset = ADD_TO_TABULAR_WIDTH + 2;
	int new_x = getCellXPos(actcell);
	int old_x = cursor.x();
	new_x += offset;
	cursor.x(new_x);
//    cursor.x(getCellXPos(actcell) + offset);
	if (scroll() && (tabular->GetWidthOfTabular() < bv->workWidth()-20))
		scroll(bv, 0.0F);
	else if (the_locking_inset &&
		 (tabular->GetWidthOfColumn(actcell) > bv->workWidth()-20)) {
		int xx = cursor.x() - offset + bv->text->GetRealCursorX(bv);
		if (xx > (bv->workWidth()-20))
			scroll(bv, -(xx - bv->workWidth() + 60));
		else if (xx < 20) {
			if (xx < 0)
				xx = -xx + 60;
			else
				xx = 60;
			scroll(bv, xx);
		}
	} else if ((cursor.x() - offset) > 20 &&
		   (cursor.x() - offset + tabular->GetWidthOfColumn(actcell))
		   > (bv->workWidth() - 20)) {
		scroll(bv, -tabular->GetWidthOfColumn(actcell) - 20);
		UpdateLocal(bv, FULL, false);
	} else if ((cursor.x() - offset) < 20) {
		scroll(bv, 20 - cursor.x() + offset);
		UpdateLocal(bv, FULL, false);
	} else if (scroll() && top_x > 20 &&
		   (top_x + tabular->GetWidthOfTabular()) > (bv->workWidth() - 20)) {
		scroll(bv, old_x - cursor.x());
	}
	if ((!the_locking_inset ||
	     !the_locking_inset->GetFirstLockingInsetOfType(TABULAR_CODE)) &&
	    actcell != oldcell) {
		InsetTabular * inset = const_cast<InsetTabular *>(this);
		bv->owner()->getDialogs()->updateTabular(inset);
		oldcell = actcell;
	}
}


UpdatableInset::RESULT InsetTabular::moveRight(BufferView * bv, bool lock)
{
	if (lock && !old_locking_inset) {
		if (ActivateCellInset(bv))
			return DISPATCHED;
	} else {
		bool moved = isRightToLeft(bv)
			? movePrevCell(bv) : moveNextCell(bv);
		if (!moved)
			return FINISHED;
		if (lock && ActivateCellInset(bv))
			return DISPATCHED;
	}
	resetPos(bv);
	return DISPATCHED_NOUPDATE;
}


UpdatableInset::RESULT InsetTabular::moveLeft(BufferView * bv, bool lock)
{
	bool moved = isRightToLeft(bv) ? moveNextCell(bv) : movePrevCell(bv);
	if (!moved)
		return FINISHED;
	if (lock) {       // behind the inset
		if (ActivateCellInset(bv, 0, 0, 0, true))
			return DISPATCHED;
	}
	resetPos(bv);
	return DISPATCHED_NOUPDATE;
}


UpdatableInset::RESULT InsetTabular::moveUp(BufferView * bv, bool lock)
{
	int const ocell = actcell;
	actcell = tabular->GetCellAbove(actcell);
	if (actcell == ocell) // we moved out of the inset
		return FINISHED;
	resetPos(bv);
	if (lock) {
		int x = 0;
		int y = 0;
		if (old_locking_inset) {
			old_locking_inset->GetCursorPos(bv, x, y);
			x -= cursor.x() + tabular->GetBeginningOfTextInCell(actcell);
		}
		if (ActivateCellInset(bv, x, 0))
			return DISPATCHED;
	}
	return DISPATCHED_NOUPDATE;
}


UpdatableInset::RESULT InsetTabular::moveDown(BufferView * bv, bool lock)
{
	int const ocell = actcell;
	actcell = tabular->GetCellBelow(actcell);
	if (actcell == ocell) // we moved out of the inset
		return FINISHED;
	resetPos(bv);
	if (lock) {
		int x = 0;
		int y = 0;
		if (old_locking_inset) {
			old_locking_inset->GetCursorPos(bv, x, y);
			x -= cursor.x() + tabular->GetBeginningOfTextInCell(actcell);
		}
		if (ActivateCellInset(bv, x, 0))
			return DISPATCHED;
	}
	return DISPATCHED_NOUPDATE;
}


bool InsetTabular::moveNextCell(BufferView * bv, bool lock)
{
	if (isRightToLeft(bv)) {
		if (tabular->IsFirstCellInRow(actcell)) {
			int row = tabular->row_of_cell(actcell);
			if (row == tabular->rows() - 1)
				return false;
			actcell = tabular->GetLastCellInRow(row);
			actcell = tabular->GetCellBelow(actcell);
		} else {
			if (!actcell)
				return false;
			--actcell;
		}
	} else {
		if (tabular->IsLastCell(actcell))
			return false;
		++actcell;
	}
	if (lock) {
		bool rtl = tabular->GetCellInset(actcell)->par->
			isRightToLeftPar(bv->buffer()->params);
		ActivateCellInset(bv, 0, 0, 0, !rtl);
	}
	resetPos(bv);
	return true;
}


bool InsetTabular::movePrevCell(BufferView * bv, bool lock)
{
	if (isRightToLeft(bv)) {
		if (tabular->IsLastCellInRow(actcell)) {
			int row = tabular->row_of_cell(actcell);
			if (row == 0)
				return false;
			actcell = tabular->GetFirstCellInRow(row);
			actcell = tabular->GetCellAbove(actcell);
		} else {
			if (tabular->IsLastCell(actcell))
				return false;
			++actcell;
		}
	} else {
		if (!actcell) // first cell
			return false;
		--actcell;
	}
	if (lock) {
		bool rtl = tabular->GetCellInset(actcell)->par->
			isRightToLeftPar(bv->buffer()->params);
		ActivateCellInset(bv, 0, 0, 0, !rtl);
	}
	resetPos(bv);
	return true;
}


bool InsetTabular::Delete()
{
	return true;
}


void InsetTabular::SetFont(BufferView * bv, LyXFont const & font, bool tall)
{
	if (the_locking_inset)
		the_locking_inset->SetFont(bv, font, tall);
}


bool InsetTabular::TabularFeatures(BufferView * bv, string const & what)
{
	LyXTabular::Feature action = LyXTabular::LAST_ACTION;
	
	int i = 0;
	for (; tabularFeatures[i].action != LyXTabular::LAST_ACTION; ++i) {
		string const tmp = tabularFeatures[i].feature;
		
		if (tmp == what.substr(0, tmp.length())) {
			//if (!compare(tabularFeatures[i].feature.c_str(), what.c_str(),
			//tabularFeatures[i].feature.length())) {
			action = tabularFeatures[i].action;
			break;
		}
	}
	if (action == LyXTabular::LAST_ACTION)
		return false;

	string const val =
		frontStrip(what.substr(tabularFeatures[i].feature.length()));
	TabularFeatures(bv, action, val);
	return true;
}


void InsetTabular::TabularFeatures(BufferView * bv,
				   LyXTabular::Feature feature,
				   string const & value)
{
	//int i;
	//int j;
	int sel_col_start;
	int sel_col_end;
	int sel_row_start;
	int sel_row_end;
	bool setLines = false;
	LyXAlignment setAlign = LYX_ALIGN_LEFT;
	LyXTabular::VAlignment setVAlign = LyXTabular::LYX_VALIGN_TOP;
	//int lineSet;
	//bool what;

	switch (feature) {
	case LyXTabular::M_ALIGN_LEFT:
	case LyXTabular::ALIGN_LEFT:
		setAlign=LYX_ALIGN_LEFT;
		break;
	case LyXTabular::M_ALIGN_RIGHT:
	case LyXTabular::ALIGN_RIGHT:
		setAlign=LYX_ALIGN_RIGHT;
		break;
	case LyXTabular::M_ALIGN_CENTER:
	case LyXTabular::ALIGN_CENTER:
		setAlign=LYX_ALIGN_CENTER;
		break;
	case LyXTabular::M_VALIGN_TOP:
	case LyXTabular::VALIGN_TOP:
		setVAlign=LyXTabular::LYX_VALIGN_TOP;
		break;
	case LyXTabular::M_VALIGN_BOTTOM:
	case LyXTabular::VALIGN_BOTTOM:
		setVAlign=LyXTabular::LYX_VALIGN_BOTTOM;
		break;
	case LyXTabular::M_VALIGN_CENTER:
	case LyXTabular::VALIGN_CENTER:
		setVAlign=LyXTabular::LYX_VALIGN_CENTER;
		break;
	default:
		break;
	}
	if (hasSelection()) {
		sel_col_start = tabular->column_of_cell(sel_cell_start);
		sel_col_end = tabular->column_of_cell(sel_cell_end);
		if (sel_col_start > sel_col_end) {
			sel_col_end = sel_col_start;
			sel_col_start = tabular->column_of_cell(sel_cell_end);
		} else {
			sel_col_end = tabular->right_column_of_cell(sel_cell_end);
		}
	
		sel_row_start = tabular->row_of_cell(sel_cell_start);
		sel_row_end = tabular->row_of_cell(sel_cell_end);
		if (sel_row_start > sel_row_end) {
			//int tmp = sel_row_start;
			//sel_row_start = sel_row_end;
			//sel_row_end = tmp;
			swap(sel_row_start, sel_row_end);
		}
	} else {
		sel_col_start = sel_col_end = tabular->column_of_cell(actcell);
		sel_row_start = sel_row_end = tabular->row_of_cell(actcell);
	}
	bv->text->SetUndo(bv->buffer(), Undo::FINISH,
#ifndef NEW_INSETS
			  bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous_,
			  bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next_
#else
			  bv->text->cursor.par()->previous(),
			  bv->text->cursor.par()->next()
#endif
		);

	int row = tabular->row_of_cell(actcell);
	int column = tabular->column_of_cell(actcell);
	bool flag = true;
	
	switch (feature) {
	case LyXTabular::SET_PWIDTH:
	{
		bool const update = (tabular->GetColumnPWidth(actcell) != value);
		tabular->SetColumnPWidth(actcell,value);
		if (update) {
			for (int i = 0; i < tabular->rows(); ++i) {
				tabular->GetCellInset(tabular->GetCellNumber(i, column))->
					resizeLyXText(bv);
			}
			UpdateLocal(bv, INIT, true);
		}
	}
	break;
	case LyXTabular::SET_MPWIDTH:
	{
		bool const update = (tabular->GetPWidth(actcell) != value);
		tabular->SetMColumnPWidth(actcell,value);
		if (update) {
			for (int i = 0; i < tabular->rows(); ++i) {
				tabular->GetCellInset(tabular->GetCellNumber(i, column))->
					resizeLyXText(bv);
			}
			UpdateLocal(bv, INIT, true);
		}
	}
	break;
	case LyXTabular::SET_SPECIAL_COLUMN:
	case LyXTabular::SET_SPECIAL_MULTI:
		tabular->SetAlignSpecial(actcell,value,feature);
		break;
	case LyXTabular::APPEND_ROW:
		// append the row into the tabular
		UnlockInsetInInset(bv, the_locking_inset);
		tabular->AppendRow(actcell);
		UpdateLocal(bv, INIT, true);
		break;
	case LyXTabular::APPEND_COLUMN:
		// append the column into the tabular
		UnlockInsetInInset(bv, the_locking_inset);
		tabular->AppendColumn(actcell);
		actcell = tabular->GetCellNumber(row, column);
		UpdateLocal(bv, INIT, true);
		break;
	case LyXTabular::DELETE_ROW:
		UnlockInsetInInset(bv, the_locking_inset);
		tabular->DeleteRow(tabular->row_of_cell(actcell));
		if ((row+1) > tabular->rows())
			--row;
		actcell = tabular->GetCellNumber(row, column);
		clearSelection();
		UpdateLocal(bv, INIT, true);
		break;
	case LyXTabular::DELETE_COLUMN:
		UnlockInsetInInset(bv, the_locking_inset);
		tabular->DeleteColumn(tabular->column_of_cell(actcell));
		if ((column+1) > tabular->columns())
			--column;
		actcell = tabular->GetCellNumber(row, column);
		clearSelection();
		UpdateLocal(bv, INIT, true);
		break;
	case LyXTabular::M_TOGGLE_LINE_TOP:
		flag = false;
	case LyXTabular::TOGGLE_LINE_TOP:
	{
		bool lineSet = !tabular->TopLine(actcell, flag);
		for (int i = sel_row_start; i <= sel_row_end; ++i)
			for (int j = sel_col_start; j <= sel_col_end; ++j)
				tabular->SetTopLine(
					tabular->GetCellNumber(i, j),
					lineSet, flag);
		UpdateLocal(bv, INIT, true);
		break;
	}
	
	case LyXTabular::M_TOGGLE_LINE_BOTTOM:
		flag = false;
	case LyXTabular::TOGGLE_LINE_BOTTOM:
	{
		bool lineSet = !tabular->BottomLine(actcell, flag); 
		for (int i = sel_row_start; i <= sel_row_end; ++i)
			for (int j = sel_col_start; j <= sel_col_end; ++j)
				tabular->SetBottomLine(
					tabular->GetCellNumber(i, j),
					lineSet,
					flag);
		UpdateLocal(bv, INIT, true);
		break;
	}
	
	case LyXTabular::M_TOGGLE_LINE_LEFT:
		flag = false;
	case LyXTabular::TOGGLE_LINE_LEFT:
	{
		bool lineSet = !tabular->LeftLine(actcell, flag);
		for (int i = sel_row_start; i <= sel_row_end; ++i)
			for (int j = sel_col_start; j <= sel_col_end; ++j)
				tabular->SetLeftLine(
					tabular->GetCellNumber(i,j),
					lineSet,
					flag);
		UpdateLocal(bv, INIT, true);
		break;
	}
	
	case LyXTabular::M_TOGGLE_LINE_RIGHT:
		flag = false;
	case LyXTabular::TOGGLE_LINE_RIGHT:
	{
		bool lineSet = !tabular->RightLine(actcell, flag);
		for (int i = sel_row_start; i <= sel_row_end; ++i)
			for (int j = sel_col_start; j <= sel_col_end; ++j)
				tabular->SetRightLine(
					tabular->GetCellNumber(i,j),
					lineSet,
					flag);
		UpdateLocal(bv, INIT, true);
		break;
	}
	
	case LyXTabular::M_ALIGN_LEFT:
	case LyXTabular::M_ALIGN_RIGHT:
	case LyXTabular::M_ALIGN_CENTER:
		flag = false;
	case LyXTabular::ALIGN_LEFT:
	case LyXTabular::ALIGN_RIGHT:
	case LyXTabular::ALIGN_CENTER:
		for (int i = sel_row_start; i <= sel_row_end; ++i)
			for (int j = sel_col_start; j <= sel_col_end; ++j)
				tabular->SetAlignment(
					tabular->GetCellNumber(i, j),
					setAlign,
					flag);
		UpdateLocal(bv, INIT, true);
		break;
	case LyXTabular::M_VALIGN_TOP:
	case LyXTabular::M_VALIGN_BOTTOM:
	case LyXTabular::M_VALIGN_CENTER:
		flag = false;
	case LyXTabular::VALIGN_TOP:
	case LyXTabular::VALIGN_BOTTOM:
	case LyXTabular::VALIGN_CENTER:
		for (int i = sel_row_start; i <= sel_row_end; ++i)
			for (int j = sel_col_start; j <= sel_col_end; ++j)
				tabular->SetVAlignment(
					tabular->GetCellNumber(i, j),
					setVAlign, flag);
		UpdateLocal(bv, INIT, true);
		break;
	case LyXTabular::MULTICOLUMN:
	{
		if (sel_row_start != sel_row_end) {
			WriteAlert(_("Impossible Operation!"), 
				   _("Multicolumns can only be horizontally."), 
				   _("Sorry."));
			return;
		}
		// just multicol for one Single Cell
		if (!hasSelection()) {
			// check wether we are completly in a multicol
			if (tabular->IsMultiColumn(actcell)) {
				tabular->UnsetMultiColumn(actcell);
				UpdateLocal(bv, INIT, true);
			} else {
				tabular->SetMultiColumn(actcell, 1);
				UpdateLocal(bv, CELL, true);
			}
			return;
		}
		// we have a selection so this means we just add all this
		// cells to form a multicolumn cell
		int s_start;
		int s_end;

		if (sel_cell_start > sel_cell_end) {
			s_start = sel_cell_end;
			s_end = sel_cell_start;
		} else {
			s_start = sel_cell_start;
			s_end = sel_cell_end;
		}
		tabular->SetMultiColumn(s_start, s_end - s_start + 1);
		actcell = s_start;
		sel_cell_end = sel_cell_start;
		UpdateLocal(bv, INIT, true);
		break;
	}
	case LyXTabular::SET_ALL_LINES:
		setLines = true;
	case LyXTabular::UNSET_ALL_LINES:
		for (int i = sel_row_start; i <= sel_row_end; ++i)
			for (int j = sel_col_start; j <= sel_col_end; ++j)
				tabular->SetAllLines(
					tabular->GetCellNumber(i,j), setLines);
		UpdateLocal(bv, INIT, true);
		break;
	case LyXTabular::SET_LONGTABULAR:
		tabular->SetLongTabular(true);
		UpdateLocal(bv, INIT, true); // because this toggles displayed
		break;
	case LyXTabular::UNSET_LONGTABULAR:
		tabular->SetLongTabular(false);
		UpdateLocal(bv, INIT, true); // because this toggles displayed
		break;
	case LyXTabular::SET_ROTATE_TABULAR:
		tabular->SetRotateTabular(true);
		break;
	case LyXTabular::UNSET_ROTATE_TABULAR:
		tabular->SetRotateTabular(false);
		break;
	case LyXTabular::SET_ROTATE_CELL:
		for (int i = sel_row_start; i <= sel_row_end; ++i)
			for (int j = sel_col_start; j<=sel_col_end; ++j)
				tabular->SetRotateCell(
					tabular->GetCellNumber(i, j),
					true);
		break;
	case LyXTabular::UNSET_ROTATE_CELL:
		for (int i = sel_row_start; i <= sel_row_end; ++i)
			for (int j = sel_col_start; j <= sel_col_end; ++j)
				tabular->SetRotateCell(
					tabular->GetCellNumber(i, j), false);
		break;
	case LyXTabular::SET_USEBOX:
	{
		LyXTabular::BoxType val = LyXTabular::BoxType(strToInt(value));
		if (val == tabular->GetUsebox(actcell))
			val = LyXTabular::BOX_NONE;
		for (int i = sel_row_start; i <= sel_row_end; ++i)
			for (int j = sel_col_start; j <= sel_col_end; ++j)
				tabular->SetUsebox(
					tabular->GetCellNumber(i, j), val);
		break;
	}
	case LyXTabular::SET_LTFIRSTHEAD:
		tabular->SetLTHead(actcell, true);
		break;
	case LyXTabular::SET_LTHEAD:
		tabular->SetLTHead(actcell, false);
		break;
	case LyXTabular::SET_LTFOOT:
		tabular->SetLTFoot(actcell, false);
		break;
	case LyXTabular::SET_LTLASTFOOT:
		tabular->SetLTFoot(actcell, true);
		break;
	case LyXTabular::SET_LTNEWPAGE:
	{
		bool what = !tabular->GetLTNewPage(actcell);
		tabular->SetLTNewPage(actcell, what);
		break;
	}
	// dummy stuff just to avoid warnings
	case LyXTabular::LAST_ACTION:
		break;
	}
}


bool InsetTabular::ActivateCellInset(BufferView * bv, int x, int y, int button,
				     bool behind)
{
	UpdatableInset * inset =
		static_cast<UpdatableInset*>(tabular->GetCellInset(actcell));
	LyXFont font(LyXFont::ALL_SANE);
	if (behind) {
		x = inset->x() + inset->width(bv, font);
		y = inset->descent(bv, font);
	}
	//inset_x = cursor.x() - top_x + tabular->GetBeginningOfTextInCell(actcell);
	//inset_y = cursor.y();
	inset->Edit(bv, x,  y, button);
	if (!the_locking_inset)
		return false;
	UpdateLocal(bv, CELL, false);
	return (the_locking_inset != 0);
}


bool InsetTabular::ActivateCellInsetAbs(BufferView * bv, int x, int y,
					int button)
{
	inset_x = cursor.x()
		- top_x + tabular->GetBeginningOfTextInCell(actcell);
	inset_y = cursor.y();
	return ActivateCellInset(bv, x - inset_x, y - inset_y, button);
}


bool InsetTabular::InsetHit(BufferView *, int x, int) const
{
	return (x + top_x)
		> (cursor.x() + tabular->GetBeginningOfTextInCell(actcell));
}


// This returns paperWidth() if the cell-width is unlimited or the width
// in pixels if we have a pwidth for this cell.
int InsetTabular::GetMaxWidthOfCell(BufferView * bv, int cell) const
{
	string const s = tabular->GetPWidth(cell);
	
	if (s.empty())
		return -1;
	return VSpace(s).inPixels(bv);
}


int InsetTabular::getMaxWidth(BufferView * bv,
			      UpdatableInset const * inset) const
{
	int const n = tabular->GetNumberOfCells();
	int cell = 0;
	for (; cell < n; ++cell) {
		if (tabular->GetCellInset(cell) == inset)
			break;
	}
	if (cell >= n)
		return -1;
	int w = GetMaxWidthOfCell(bv, cell);
	if (w > 0)
		// because the inset then subtracts it's top_x and owner->x()
		w += (inset->x() - top_x);
	return w;
}


void InsetTabular::resizeLyXText(BufferView *) const
{
	need_update = FULL;
}


LyXText * InsetTabular::getLyXText(BufferView const * bv,
				   bool const recursive) const
{
	if (the_locking_inset)
		return the_locking_inset->getLyXText(bv, recursive);
	return Inset::getLyXText(bv, recursive);
}


bool InsetTabular::ShowInsetDialog(BufferView * bv) const
{
	if (!the_locking_inset || !the_locking_inset->ShowInsetDialog(bv))
		bv->owner()->getDialogs()
			->showTabular(const_cast<InsetTabular *>(this));
	return true;
}


void InsetTabular::OpenLayoutDialog(BufferView * bv) const
{
	if (the_locking_inset) {
		InsetTabular * i = static_cast<InsetTabular *>
			(the_locking_inset->GetFirstLockingInsetOfType(TABULAR_CODE));
		if (i) {
			i->OpenLayoutDialog(bv);
			return;
		}
	}
	bv->owner()->getDialogs()->showTabular(
		const_cast<InsetTabular *>(this));
}

//
// functions returns:
// 0 ... disabled
// 1 ... enabled
// 2 ... toggled on
// 3 ... toggled off
//
LyXFunc::func_status InsetTabular::getStatus(string const & what) const
{
	int action = LyXTabular::LAST_ACTION;
	LyXFunc::func_status status = LyXFunc::OK;
	
	int i = 0;
	for (; tabularFeatures[i].action != LyXTabular::LAST_ACTION; ++i) {
		string const tmp = tabularFeatures[i].feature;
		if (tmp == what.substr(0, tmp.length())) {		    
			//if (!compare(tabularFeatures[i].feature.c_str(), what.c_str(),
			//   tabularFeatures[i].feature.length())) {
			action = tabularFeatures[i].action;
			break;
		}
	}
	if (action == LyXTabular::LAST_ACTION)
		return LyXFunc::Unknown;

	string const argument = frontStrip(what.substr(tabularFeatures[i].feature.length()));

	int sel_row_start;
	int sel_row_end;
	int dummy;
	bool flag = true;

	if (hasSelection()) {
		sel_row_start = tabular->row_of_cell(sel_cell_start);
		sel_row_end = tabular->row_of_cell(sel_cell_end);
		if (sel_row_start > sel_row_end) {
			//int tmp = sel_row_start;
			//sel_row_start = sel_row_end;
			//sel_row_end = tmp;
			swap(sel_row_start, sel_row_end);
		}
	} else {
		sel_row_start = sel_row_end = tabular->row_of_cell(actcell);
	}

	switch (action) {
	case LyXTabular::SET_PWIDTH:
	case LyXTabular::SET_MPWIDTH:
	case LyXTabular::SET_SPECIAL_COLUMN:
	case LyXTabular::SET_SPECIAL_MULTI:
		status |= LyXFunc::Disabled;
		return status;

	case LyXTabular::APPEND_ROW:
	case LyXTabular::APPEND_COLUMN:
	case LyXTabular::DELETE_ROW:
	case LyXTabular::DELETE_COLUMN:
	case LyXTabular::SET_ALL_LINES:
	case LyXTabular::UNSET_ALL_LINES:
		status |= LyXFunc::OK;
		return status;

	case LyXTabular::MULTICOLUMN:
		if (tabular->IsMultiColumn(actcell))
			status |= LyXFunc::ToggleOn;
		else
			status |= LyXFunc::ToggleOff;
		break;
	case LyXTabular::M_TOGGLE_LINE_TOP:
		flag = false;
	case LyXTabular::TOGGLE_LINE_TOP:
		if (tabular->TopLine(actcell, flag))
			status |= LyXFunc::ToggleOn;
		else
			status |= LyXFunc::ToggleOff;
		break;
	case LyXTabular::M_TOGGLE_LINE_BOTTOM:
		flag = false;
	case LyXTabular::TOGGLE_LINE_BOTTOM:
		if (tabular->BottomLine(actcell, flag))
			status |= LyXFunc::ToggleOn;
		else
			status |= LyXFunc::ToggleOff;
		break;
	case LyXTabular::M_TOGGLE_LINE_LEFT:
		flag = false;
	case LyXTabular::TOGGLE_LINE_LEFT:
		if (tabular->LeftLine(actcell, flag))
			status |= LyXFunc::ToggleOn;
		else
			status |= LyXFunc::ToggleOff;
		break;
	case LyXTabular::M_TOGGLE_LINE_RIGHT:
		flag = false;
	case LyXTabular::TOGGLE_LINE_RIGHT:
		if (tabular->RightLine(actcell, flag))
			status |= LyXFunc::ToggleOn;
		else
			status |= LyXFunc::ToggleOff;
		break;
	case LyXTabular::M_ALIGN_LEFT:
		flag = false;
	case LyXTabular::ALIGN_LEFT:
		if (tabular->GetAlignment(actcell, flag) == LYX_ALIGN_LEFT)
			status |= LyXFunc::ToggleOn;
		else
			status |= LyXFunc::ToggleOff;
		break;
	case LyXTabular::M_ALIGN_RIGHT:
		flag = false;
	case LyXTabular::ALIGN_RIGHT:
		if (tabular->GetAlignment(actcell, flag) == LYX_ALIGN_RIGHT)
			status |= LyXFunc::ToggleOn;
		else
			status |= LyXFunc::ToggleOff;
		break;
	case LyXTabular::M_ALIGN_CENTER:
		flag = false;
	case LyXTabular::ALIGN_CENTER:
		if (tabular->GetAlignment(actcell, flag) == LYX_ALIGN_CENTER)
			status |= LyXFunc::ToggleOn;
		else
			status |= LyXFunc::ToggleOff;
		break;
	case LyXTabular::M_VALIGN_TOP:
		flag = false;
	case LyXTabular::VALIGN_TOP:
		if (tabular->GetVAlignment(actcell, flag) == LyXTabular::LYX_VALIGN_TOP)
			status |= LyXFunc::ToggleOn;
		else
			status |= LyXFunc::ToggleOff;
		break;
	case LyXTabular::M_VALIGN_BOTTOM:
		flag = false;
	case LyXTabular::VALIGN_BOTTOM:
		if (tabular->GetVAlignment(actcell, flag) == LyXTabular::LYX_VALIGN_BOTTOM)
			status |= LyXFunc::ToggleOn;
		else
			status |= LyXFunc::ToggleOff;
		break;
	case LyXTabular::M_VALIGN_CENTER:
		flag = false;
	case LyXTabular::VALIGN_CENTER:
		if (tabular->GetVAlignment(actcell, flag) == LyXTabular::LYX_VALIGN_CENTER)
			status |= LyXFunc::ToggleOn;
		else
			status |= LyXFunc::ToggleOff;
		break;
	case LyXTabular::SET_LONGTABULAR:
		if (tabular->IsLongTabular())
			status |= LyXFunc::ToggleOn;
		else
			status |= LyXFunc::ToggleOff;
		break;
	case LyXTabular::UNSET_LONGTABULAR:
		if (!tabular->IsLongTabular())
			status |= LyXFunc::ToggleOn;
		else
			status |= LyXFunc::ToggleOff;
		break;
	case LyXTabular::SET_ROTATE_TABULAR:
		if (tabular->GetRotateTabular())
			status |= LyXFunc::ToggleOn;
		else
			status |= LyXFunc::ToggleOff;
		break;
	case LyXTabular::UNSET_ROTATE_TABULAR:
		if (!tabular->GetRotateTabular())
			status |= LyXFunc::ToggleOn;
		else
			status |= LyXFunc::ToggleOff;
		break;
	case LyXTabular::SET_ROTATE_CELL:
		if (tabular->GetRotateCell(actcell))
			status |= LyXFunc::ToggleOn;
		else
			status |= LyXFunc::ToggleOff;
		break;
	case LyXTabular::UNSET_ROTATE_CELL:
		if (!tabular->GetRotateCell(actcell))
			status |= LyXFunc::ToggleOn;
		else
			status |= LyXFunc::ToggleOff;
		break;
	case LyXTabular::SET_USEBOX:
		if (strToInt(argument) == tabular->GetUsebox(actcell))
			status |= LyXFunc::ToggleOn;
		else
			status |= LyXFunc::ToggleOff;
		break;
	case LyXTabular::SET_LTFIRSTHEAD:
		if (tabular->GetRowOfLTHead(actcell, dummy))
			status |= LyXFunc::ToggleOn;
		else
			status |= LyXFunc::ToggleOff;
		break;
	case LyXTabular::SET_LTHEAD:
		if (tabular->GetRowOfLTHead(actcell, dummy))
			status |= LyXFunc::ToggleOn;
		else
			status |= LyXFunc::ToggleOff;
		break;
	case LyXTabular::SET_LTFOOT:
		if (tabular->GetRowOfLTFoot(actcell, dummy))
			status |= LyXFunc::ToggleOn;
		else
			status |= LyXFunc::ToggleOff;
		break;
	case LyXTabular::SET_LTLASTFOOT:
		if (tabular->GetRowOfLTFoot(actcell, dummy))
			status |= LyXFunc::ToggleOn;
		else
			status |= LyXFunc::ToggleOff;
		break;
	case LyXTabular::SET_LTNEWPAGE:
		if (tabular->GetLTNewPage(actcell))
			status |= LyXFunc::ToggleOn;
		else
			status |= LyXFunc::ToggleOff;
		break;
	default:
		status = LyXFunc::Disabled;
		break;
	}
	return status;
}


bool InsetTabular::copySelection(BufferView * bv)
{
	if (!hasSelection())
		return false;
	//delete paste_tabular;

	//int sel_col_start;
	//int sel_col_end;
	//int sel_row_start;
	//int sel_row_end;

	int sel_col_start = tabular->column_of_cell(sel_cell_start);
	int sel_col_end = tabular->column_of_cell(sel_cell_end);
	if (sel_col_start > sel_col_end) {
		sel_col_start = sel_col_end;
		sel_col_end = tabular->right_column_of_cell(sel_cell_start);
	} else {
		sel_col_end = tabular->right_column_of_cell(sel_cell_end);
	}
	int const columns = sel_col_end - sel_col_start + 1;

	int sel_row_start = tabular->row_of_cell(sel_cell_start);
	int sel_row_end = tabular->row_of_cell(sel_cell_end);
	if (sel_row_start > sel_row_end) {
		//int tmp tmp = sel_row_start;
		//sel_row_start = sel_row_end;
		//sel_row_end = tmp;
		swap(sel_row_start, sel_row_end);
	}
	int const rows = sel_row_end - sel_row_start + 1;

	delete paste_tabular;
	paste_tabular = new LyXTabular(this, *tabular); // rows, columns);
	//int i;
	for (int i = 0; i < sel_row_start; ++i)
		paste_tabular->DeleteRow(0);
	while(paste_tabular->rows() > rows)
		paste_tabular->DeleteRow(rows);
	paste_tabular->SetTopLine(0, true, true);
	paste_tabular->SetBottomLine(paste_tabular->GetFirstCellInRow(rows-1),
				     true, true);
	for (int i = 0; i < sel_col_start; ++i)
		paste_tabular->DeleteColumn(0);
	while (paste_tabular->columns() > columns)
		paste_tabular->DeleteColumn(columns);
	paste_tabular->SetLeftLine(0, true, true);
	paste_tabular->SetRightLine(paste_tabular->GetLastCellInRow(0),
				    true, true);

	ostringstream sstr;
	paste_tabular->Ascii(bv->buffer(), sstr);
	bv->stuffClipboard(sstr.str().c_str());
	return true;
}


bool InsetTabular::pasteSelection(BufferView * bv)
{
	if (!paste_tabular)
		return false;

	for (int r1 = 0, r2 = actrow;
	     (r1 < paste_tabular->rows()) && (r2 < tabular->rows());
	     ++r1, ++r2) {
		for(int c1 = 0, c2 = actcol;
		    (c1 < paste_tabular->columns()) && (c2 < tabular->columns());
		    ++c1, ++c2) {
			if (paste_tabular->IsPartOfMultiColumn(r1,c1) &&
			    tabular->IsPartOfMultiColumn(r2,c2))
				continue;
			if (paste_tabular->IsPartOfMultiColumn(r1,c1)) {
				--c2;
				continue;
			}
			if (tabular->IsPartOfMultiColumn(r2,c2)) {
				--c1;
				continue;
			}
			int const n1 = paste_tabular->GetCellNumber(r1, c1);
			int const n2 = tabular->GetCellNumber(r2, c2);
			*(tabular->GetCellInset(n2)) = *(paste_tabular->GetCellInset(n1));
			tabular->GetCellInset(n2)->setOwner(this);
			tabular->GetCellInset(n2)->deleteLyXText(bv);
		}
	}
	return true;
}


bool InsetTabular::cutSelection()
{
	if (!hasSelection())
		return false;

	//int sel_col_start;
	//int sel_col_end;
	//int sel_row_start;
	//int sel_row_end;

	int sel_col_start = tabular->column_of_cell(sel_cell_start);
	int sel_col_end = tabular->column_of_cell(sel_cell_end);
	if (sel_col_start > sel_col_end) {
		sel_col_start = sel_col_end;
		sel_col_end = tabular->right_column_of_cell(sel_cell_start);
	} else {
		sel_col_end = tabular->right_column_of_cell(sel_cell_end);
	}
	int sel_row_start = tabular->row_of_cell(sel_cell_start);
	int sel_row_end = tabular->row_of_cell(sel_cell_end);
	if (sel_row_start > sel_row_end) {
		//int tmp = sel_row_start;
		//sel_row_start = sel_row_end;
		//sel_row_end = tmp;
		swap(sel_row_start, sel_row_end);
	}
	if (sel_cell_start > sel_cell_end) {
		//int tmp = sel_cell_start;
		//sel_cell_start = sel_cell_end;
		//sel_cell_end = tmp;
		swap(sel_cell_start, sel_cell_end);
	}
	for (int i = sel_row_start; i <= sel_row_end; ++i) {
		for (int j = sel_col_start; j <= sel_col_end; ++j) {
			tabular->GetCellInset(tabular->GetCellNumber(i, j))->clear();
		}
	}
	return true;
}


bool InsetTabular::isRightToLeft(BufferView *bv )
{
	return bv->getParentLanguage(this)->RightToLeft();
}