fixed bug #250

5 files changed, 36 insertions, 16 deletions

diff --git a/noncore/apps/opie-sheet/ChangeLog b/noncore/apps/opie-sheet/ChangeLog
index c12a6db..90060e2 100644
--- a/noncore/apps/opie-sheet/ChangeLog
+++ b/noncore/apps/opie-sheet/ChangeLog
@@ -1,25 +1,34 @@
+October 08, 2002
+
+        * Release 1.0.2 (by thufir)
+        - Fixed bug #250 (exhibiting re-calculation error in multi-level calculation). (by thufir)
+
+October 06, 2002
+
+        - Fixed data edit box clear problem. (by thufir)
+
 October 05, 2002
 
-        - Fixed bug #252. (by thufir)
+        - Fixed bug #252 (starting up in 'mouse button' mode). (by thufir)
 
 August 31, 2002
 
         - Fixed and updated opie-sheet.pro file. (by cniehaus)
 
 August 01, 2002
 
         - Fixed gcc3 compile problems. (by harlekin)
 
 July 06, 2002
 
         - Fixed DocLnk management to save documents correctly. (by leseb)
 
 July 04, 2002
 
         * Release 1.0.1 (by thufir)
         - Sheet/Qt is now a part of Opie, so its name is changed to Opie Sheet. (by thufir)
         - Fixed sorting bug. (by thufir)
 
 April 14, 2002
 
         * Release 1.0.0 (by thufir)
diff --git a/noncore/apps/opie-sheet/mainwindow.cpp b/noncore/apps/opie-sheet/mainwindow.cpp
index 2f07bae..b9f8e57 100644
--- a/noncore/apps/opie-sheet/mainwindow.cpp
+++ b/noncore/apps/opie-sheet/mainwindow.cpp
@@ -174,48 +174,49 @@ int MainWindow::saveCurrentFile(bool ask)
     if (result!=QMessageBox::Yes) return result;
   }
 
   if (!currentDoc->isValid())
   {
     TextDialog dialogText(this);
     if (dialogText.exec(tr("Save File"), tr("&File Name:"), tr("UnnamedFile"))!=QDialog::Accepted || dialogText.getValue().isEmpty()) return QMessageBox::Cancel;
 
     currentDoc->setName(dialogText.getValue());
     currentDoc->setFile(QString::null);
     currentDoc->setLinkFile(QString::null);
   }
 
   documentSave(currentDoc);
   return QMessageBox::Yes;
 }
 
 void MainWindow::selectorFileNew(const DocLnk &lnkDoc)
 {
   selectorHide();
 
   if (documentModified && saveCurrentFile()==QMessageBox::Cancel) return;
   if (currentDoc) delete currentDoc;
   currentDoc = new DocLnk(lnkDoc);
+  editData->clear();
   listSheets.clear();
   comboSheets->clear();
 
   typeSheet *newSheet=createNewSheet();
   newSheet->data.setAutoDelete(TRUE);
   sheet->setName(newSheet->name);
   sheet->setSheetData(&newSheet->data);
   for (int i=1; i<DEFAULT_NUM_SHEETS; ++i)
     createNewSheet();
   documentModified=FALSE;
 }
 
 void MainWindow::closeEvent(QCloseEvent *e)
 {
   if (documentModified && saveCurrentFile()==QMessageBox::Cancel) e->ignore();
   else e->accept();
 }
 
 void MainWindow::selectorFileOpen(const DocLnk &lnkDoc)
 {
   selectorHide();
 
   if (documentModified && saveCurrentFile()==QMessageBox::Cancel) return;
   if (currentDoc) delete currentDoc;
@@ -512,49 +513,49 @@ void MainWindow::initEditToolbar()
   editData=new QLineEdit(toolbarEdit);
   toolbarEdit->setStretchableWidget(editData);
   connect(editData, SIGNAL(returnPressed()), this, SLOT(slotEditAccept()));
 
   editCellSelect->addTo(toolbarEdit);
 }
 
 void MainWindow::slotHelpGeneral()
 {
   if (QFile::exists(helpFile))
   {
     QCopEnvelope e("QPE/Application/helpbrowser", "showFile(QString)");
     e << helpFile;
   }
   else
     QMessageBox::critical(this, tr("Error"), tr("Help file not found!"));
 }
 
 void MainWindow::slotHelpAbout()
 {
   QDialog dialogAbout(this, 0, TRUE);
   dialogAbout.resize(width()-40, height()-80);
   dialogAbout.setCaption(tr("About Opie Sheet"));
 
-  QLabel label(tr("Opie Sheet\nSpreadsheet Software for Opie\nQWDC Beta Winner (as Sheet/Qt)\n\nDeveloped by: Serdar Ozler\nRelease 1.0.1\nRelease Date: July 04, 2002\n\nThis product is licensed under GPL. It is freely distributable. If you want to get the latest version and also the source code, please visit the web site.\n\nhttp://qtopia.sitebest.com"), &dialogAbout);
+  QLabel label(tr("Opie Sheet\nSpreadsheet Software for Opie\nQWDC Beta Winner (as Sheet/Qt)\n\nDeveloped by: Serdar Ozler\nRelease 1.0.2\nRelease Date: October 08, 2002\n\nThis product is licensed under GPL. It is freely distributable. If you want to get the latest version and also the source code, please visit the web site.\n\nhttp://qtopia.sitebest.com"), &dialogAbout);
   label.setGeometry(dialogAbout.rect());
   label.setAlignment(Qt::AlignCenter | Qt::WordBreak);
 
   dialogAbout.exec();
 }
 
 void MainWindow::initSheet()
 {
   sheet=new Sheet(DEFAULT_NUM_ROWS, DEFAULT_NUM_COLS, this);
   setCentralWidget(sheet);
 
   connect(sheet, SIGNAL(currentDataChanged(const QString &)), editData, SLOT(setText(const QString &)));
   connect(sheet, SIGNAL(cellClicked(const QString &)), this, SLOT(slotCellClicked(const QString &)));
   connect(sheet, SIGNAL(sheetModified()), this, SLOT(slotDocModified()));
 
   connect(editCut, SIGNAL(activated()), sheet, SLOT(editCut()));
   connect(editCopy, SIGNAL(activated()), sheet, SLOT(editCopy()));
   connect(editClear, SIGNAL(activated()), sheet, SLOT(editClear()));
 }
 
 void MainWindow::slotEditAccept()
 {
   sheet->setData(editData->text());
 }
diff --git a/noncore/apps/opie-sheet/opie-sheet.control b/noncore/apps/opie-sheet/opie-sheet.control
index 38f9083..cc322bb 100644
--- a/noncore/apps/opie-sheet/opie-sheet.control
+++ b/noncore/apps/opie-sheet/opie-sheet.control
@@ -1,10 +1,10 @@
 Files: bin/sheetqt apps/Applications/opie-sheet.desktop help/sheetqt.html help/sheetqt/* pics/opie-sheet/sheetqt.png
 Priority: optional
 Section: opie/applications
 Maintainer: Serdar Ozler <sozler@sitebest.com>
 Architecture: arm
-Version: 1.0.1
+Version: 1.0.2
 Depends: opie-base ($QPE_VERSION)
 License: Public Domain
 Description: Opie Sheet
  Spreadsheet software for Opie.
diff --git a/noncore/apps/opie-sheet/sheet.cpp b/noncore/apps/opie-sheet/sheet.cpp
index be4046b..c2563c2 100644
--- a/noncore/apps/opie-sheet/sheet.cpp
+++ b/noncore/apps/opie-sheet/sheet.cpp
@@ -67,64 +67,64 @@ void Sheet::slotCellSelected(int row, int col)
 }
 
 typeCellData *Sheet::createCellData(int row, int col)
 {
   if (row<0 || col<0) return NULL;
   typeCellData *cellData=new typeCellData;
   cellData->row=row;
   cellData->col=col;
   cellData->data=defaultCellData.data;
   cellData->borders=defaultCellData.borders;
   cellData->alignment=defaultCellData.alignment;
   cellData->font=defaultCellData.font;
   cellData->fontColor=defaultCellData.fontColor;
   cellData->background=defaultCellData.background;
   sheetData.append(cellData);
   return cellData;
 }
 
 void Sheet::slotCellChanged(int row, int col)
 {
   typeCellData *cellData=findCellData(row, col);
   if (!cellData) cellData=createCellData(row, col);
   if (cellData) cellData->data=text(row, col);
   for (cellData=sheetData.first(); cellData; cellData=sheetData.next())
-    setText(cellData->row, cellData->col, dataParser(cellData->data));
+    setText(cellData->row, cellData->col, dataParser(findCellName(cellData->row, cellData->col), cellData->data));
   emit sheetModified();
 }
 
 void Sheet::swapCells(int row1, int col1, int row2, int col2)
 {
   typeCellData *cellData1=findCellData(row1, col1), *cellData2=findCellData(row2, col2);
   if (!cellData1) cellData1=createCellData(row1, col1);
   if (!cellData2) cellData2=createCellData(row2, col2);
   if (cellData1 && cellData2)
   {
     QString tempData(cellData1->data);
     cellData1->data=cellData2->data;
     cellData2->data=tempData;
-    setText(cellData1->row, cellData1->col, dataParser(cellData1->data));
-    setText(cellData2->row, cellData2->col, dataParser(cellData2->data));
+    setText(cellData1->row, cellData1->col, dataParser(findCellName(cellData1->row, cellData1->col), cellData1->data));
+    setText(cellData2->row, cellData2->col, dataParser(findCellName(cellData2->row, cellData2->col), cellData2->data));
     emit sheetModified();
   }
 }
 
 QString Sheet::getParameter(const QString &parameters, int paramNo, bool giveError, const QString funcName)
 {
   QString params(parameters);
   int position;
   for (int i=0; i<paramNo; ++i)
   {
     position=params.find(',');
     if (position<0)
     {
       if (giveError) QMessageBox::critical(this, tr("Error"), tr("Too few arguments to function '"+funcName+'\''));
       return QString();
     }
     params=params.mid(position+1);
   }
   position=params.find(',');
   if (position<0) return params;
   return params.left(position);
 }
 
 bool Sheet::findRange(const QString &variable1, const QString &variable2, int *row1, int *col1, int *row2, int *col2)
@@ -145,49 +145,49 @@ bool Sheet::findRange(const QString &variable1, const QString &variable2, int *r
   }
   return TRUE;
 }
 
 bool Sheet::findRowColumn(const QString &variable, int *row, int *col, bool giveError)
 {
   int position=variable.find(QRegExp("\\d"));
   if (position<1)
   {
     if (giveError) QMessageBox::critical(this, tr("Error"), tr("Invalid variable: '"+variable+'\''));
     return FALSE;
   }
   *row=variable.mid(position).toInt()-1;
   *col=getHeaderColumn(variable.left(position))-1;
   return TRUE;
 }
 
 double Sheet::calculateVariable(const QString &variable)
 {
   bool ok;
   double tempResult=variable.toDouble(&ok);
   if (ok) return tempResult;
 
   int row, col;
-  return (findRowColumn(variable, &row, &col, TRUE) ? text(row, col).toDouble() : 0);
+  return (findRowColumn(variable, &row, &col, TRUE) ? dataParser(variable, text(row, col)).toDouble() : 0);
 }
 
 double Sheet::functionSum(const QString &param1, const QString &param2)
 {
   int row1, col1, row2, col2, row, col;
   if (!findRange(param1, param2, &row1, &col1, &row2, &col2)) return 0;
 
   double result=0, tempResult;
   bool ok;
   for (row=row1; row<=row2; ++row)
     for (col=col1; col<=col2; ++col)
     {
       tempResult=text(row, col).toDouble(&ok);
       if (ok) result+=tempResult;
     }
 
   return result;
 }
 
 double Sheet::functionMin(const QString &param1, const QString &param2)
 {
   int row1, col1, row2, col2, row, col;
   if (!findRange(param1, param2, &row1, &col1, &row2, &col2)) return 0;
 
@@ -399,63 +399,66 @@ QString Sheet::dataParserHelper(const QString &data)
       if (tempElement.isEmpty())
         tempElement=temp2Element;
       else
         tempElement.setNum(calculateFunction(tempElement, temp2Element));
       --i;
     }
     else
       tempElement+=data[i];
   }
   if (!tempElement.isEmpty()) pushStringStack(&stackElements, tempElement);
   while (!stackOperators.isEmpty())
   {
     secondElement=popStringStack(&stackElements);
     firstElement=popStringStack(&stackElements);
     pushStringStack(&stackElements, QString::number(calculateFunction(popCharStack(&stackOperators), firstElement+","+secondElement)));
   }
 
   if (!stackElements.isEmpty())
     tempElement=popStringStack(&stackElements);
   while (!stackElements.isEmpty())
     tempElement.prepend(popStringStack(&stackElements)+",");
   return tempElement;
 }
 
-QString Sheet::dataParser(const QString &data)
+QString Sheet::dataParser(const QString &cell, const QString &data)
 {
   QString strippedData(data);
   strippedData.replace(QRegExp("\\s"), "");
   if (strippedData.isEmpty() || strippedData[0]!='=') return data;
+  if (listDataParser.find(cell)!=listDataParser.end()) return "0";
+  listDataParser.append(cell);
   strippedData=dataParserHelper(strippedData.remove(0, 1).upper().replace(QRegExp(":"), ","));
 
   int i=0;
   QString tempParameter(getParameter(strippedData, i)), result="";
   do
   {
     result+=","+QString::number(calculateVariable(tempParameter));
     tempParameter=getParameter(strippedData, ++i);
   }
   while (!tempParameter.isNull());
+  listDataParser.remove(cell);
   return result.mid(1);
 }
 
 void Sheet::setData(const QString &data)
 {
   setText(currentRow(), currentColumn(), data);
   slotCellChanged(currentRow(), currentColumn());
   activateNextCell();
 }
 
 QString Sheet::getData()
 {
   typeCellData *cellData=findCellData(currentRow(), currentColumn());
   if (cellData)
     return cellData->data;
   return "";
 }
 
 void Sheet::lockClicks(bool lock)
 {
   clicksLocked=lock;
 }
 
 void Sheet::paintCell(QPainter *p, int row, int col, const QRect & cr, bool selected)
@@ -518,86 +521,91 @@ void Sheet::viewportMouseMoveEvent(QMouseEvent *e)
     {
       QTableSelection oldSelection(selection(selectionNo));
       oldSelection.expandTo(rowAt(ce.pos().y()), columnAt(ce.pos().x()));
       if (!(oldSelection==selection(selectionNo)))
       {
         removeSelection(selectionNo);
         selectionNo=addSelection(oldSelection);
       }
     }
   }
   else
     QTable::contentsMouseMoveEvent(&ce);
 }
 
 void Sheet::viewportMouseReleaseEvent(QMouseEvent *e)
 {
   QMouseEvent ce(e->type(), viewportToContents(e->pos()), e->globalPos(), e->button(), e->state());
   if (clicksLocked && selectionNo>=0)
   {
     QTableSelection oldSelection(selection(selectionNo));
     oldSelection.expandTo(rowAt(ce.pos().y()), columnAt(ce.pos().x()));
     removeSelection(selectionNo);
     selectionNo=-1;
     if (oldSelection.topRow()==oldSelection.bottomRow() && oldSelection.leftCol()==oldSelection.rightCol())
-      emit cellClicked(getHeaderString(oldSelection.leftCol()+1)+QString::number(oldSelection.topRow()+1));
+      emit cellClicked(findCellName(oldSelection.topRow(), oldSelection.leftCol()));
     else
-      emit cellClicked(getHeaderString(oldSelection.leftCol()+1)+QString::number(oldSelection.topRow()+1)+','+getHeaderString(oldSelection.rightCol()+1)+QString::number(oldSelection.bottomRow()+1));
+      emit cellClicked(findCellName(oldSelection.topRow(), oldSelection.leftCol())+','+findCellName(oldSelection.bottomRow(), oldSelection.rightCol()));
   }
   else
     QTable::contentsMouseReleaseEvent(&ce);
 }
 
+QString Sheet::findCellName(int row, int col)
+{
+  return (getHeaderString(col+1)+QString::number(row+1));
+}
+
 void Sheet::copySheetData(QList<typeCellData> *destSheetData)
 {
   typeCellData *tempCellData, *newCellData;
   destSheetData->clear();
 
   for (tempCellData=sheetData.first(); tempCellData; tempCellData=sheetData.next())
   {
     newCellData=new typeCellData;
     *newCellData=*tempCellData;
     destSheetData->append(newCellData);
   }
 }
 
 void Sheet::setSheetData(QList<typeCellData> *srcSheetData)
 {
   typeCellData *tempCellData, *newCellData;
 
   for (tempCellData=sheetData.first(); tempCellData; tempCellData=sheetData.next())
   {
     clearCell(tempCellData->row, tempCellData->col);
     updateCell(tempCellData->row, tempCellData->col);
   }
   sheetData.clear();
 
   for (tempCellData=srcSheetData->first(); tempCellData; tempCellData=srcSheetData->next())
   {
     newCellData=new typeCellData;
     *newCellData=*tempCellData;
     sheetData.append(newCellData);
-    setText(newCellData->row, newCellData->col, dataParser(newCellData->data));
+    setText(newCellData->row, newCellData->col, dataParser(findCellName(newCellData->row, newCellData->col), newCellData->data));
   }
   emit sheetModified();
 }
 
 void Sheet::setName(const QString &name)
 {
   sheetName=name;
   emit sheetModified();
 }
 
 QString Sheet::getName()
 {
   return sheetName;
 }
 
 void Sheet::setBrush(int row, int col, const QBrush &brush)
 {
   typeCellData *cellData=findCellData(row, col);
   if (!cellData) cellData=createCellData(row, col);
   if (cellData)
   {
     cellData->background=brush;
     emit sheetModified();
   }
@@ -735,125 +743,125 @@ void Sheet::editCut()
 {
   editCopy();
   editClear();
 }
 
 void Sheet::editPaste(bool onlyContents)
 {
   int row1=currentRow(), col1=currentColumn();
   typeCellData *cellData, *tempCellData;
 
   for (tempCellData=clipboardData.first(); tempCellData; tempCellData=clipboardData.next())
   {
     cellData=findCellData(tempCellData->row+row1, tempCellData->col+col1);
     if (!cellData) cellData=createCellData(tempCellData->row+row1, tempCellData->col+col1);
     if (cellData)
     {
       if (onlyContents)
         cellData->data=tempCellData->data;
       else
       {
         *cellData=*tempCellData;
         cellData->row+=row1;
         cellData->col+=col1;
       }
-      setText(cellData->row, cellData->col, dataParser(cellData->data));
+      setText(cellData->row, cellData->col, dataParser(findCellName(cellData->row, cellData->col), cellData->data));
       emit sheetModified();
     }
   }
 }
 
 void Sheet::insertRows(int no, bool allColumns)
 {
   setNumRows(numRows()+no);
 
   typeCellData *tempCellData;
   int row=currentRow(), col=currentColumn();
 
   for (tempCellData=sheetData.first(); tempCellData; tempCellData=sheetData.next())
     if (tempCellData->row>=row && (allColumns || tempCellData->col==col))
     {
       clearCell(tempCellData->row, tempCellData->col);
       tempCellData->row+=no;
     }
   for (tempCellData=sheetData.first(); tempCellData; tempCellData=sheetData.next())
     if (tempCellData->row>=row && (allColumns || tempCellData->col==col))
     {
       updateCell(tempCellData->row-no, tempCellData->col);
-      setText(tempCellData->row, tempCellData->col, dataParser(tempCellData->data));
+      setText(tempCellData->row, tempCellData->col, dataParser(findCellName(tempCellData->row, tempCellData->col), tempCellData->data));
     }
  emit sheetModified();
 }
 
 void Sheet::insertColumns(int no, bool allRows)
 {
   int noCols=numCols();
   int newCols=noCols+no;
   setNumCols(newCols);
   for (int i=noCols; i<newCols; ++i)
     horizontalHeader()->setLabel(i, getHeaderString(i+1), DEFAULT_COL_WIDTH);
 
   typeCellData *tempCellData;
   int col=currentColumn(), row=currentRow();
 
   for (tempCellData=sheetData.first(); tempCellData; tempCellData=sheetData.next())
     if (tempCellData->col>=col && (allRows || tempCellData->row==row))
     {
       clearCell(tempCellData->row, tempCellData->col);
       tempCellData->col+=no;
     }
   for (tempCellData=sheetData.first(); tempCellData; tempCellData=sheetData.next())
     if (tempCellData->col>=col && (allRows || tempCellData->row==row))
     {
       updateCell(tempCellData->row, tempCellData->col-no);
-      setText(tempCellData->row, tempCellData->col, dataParser(tempCellData->data));
+      setText(tempCellData->row, tempCellData->col, dataParser(findCellName(tempCellData->row, tempCellData->col), tempCellData->data));
     }
   emit sheetModified();
 }
 
 void Sheet::dataFindReplace(const QString &findStr, const QString &replaceStr, bool matchCase, bool allCells, bool entireCell, bool replace, bool replaceAll)
 {
   typeCellData *tempCellData;
   int row1, col1, row2, col2;
   getSelection(&row1, &col1, &row2, &col2);
   bool found=FALSE;
 
   for (tempCellData=sheetData.first(); tempCellData; tempCellData=sheetData.next())
     if (allCells || (tempCellData->row>=row1 && tempCellData->row<=row2 && tempCellData->col>=col1 && tempCellData->col<=col2))
     {
       QTableItem *cellItem=item(tempCellData->row, tempCellData->col);
       if (cellItem && (entireCell ? (matchCase ? cellItem->text()==findStr : cellItem->text().upper()==findStr.upper()) : cellItem->text().find(findStr, 0, matchCase)>=0))
       {
         if (!found)
         {
           found=TRUE;
           clearSelection();
         }
         setCurrentCell(tempCellData->row, tempCellData->col);
         if (replace)
         {
           tempCellData->data=cellItem->text().replace(QRegExp(findStr, matchCase), replaceStr);
-          setText(tempCellData->row, tempCellData->col, dataParser(tempCellData->data));
+          setText(tempCellData->row, tempCellData->col, dataParser(findCellName(tempCellData->row, tempCellData->col), tempCellData->data));
         }
         if (!replace || !replaceAll) break;
       }
     }
 
  if (found)
  {
    if (replace)
      slotCellChanged(currentRow(), currentColumn());
  }
  else
    QMessageBox::warning(this, tr("Error"), tr("Search key not found!"));
 }
 
 //
 // Static functions
 //
 
 QString Sheet::getHeaderString(int section)
 {
   if (section<1) return "";
   return getHeaderString((section-1)/26)+QChar('A'+(section-1)%26);
 }
 
diff --git a/noncore/apps/opie-sheet/sheet.h b/noncore/apps/opie-sheet/sheet.h
index f78a684..f4e9d38 100644
--- a/noncore/apps/opie-sheet/sheet.h
+++ b/noncore/apps/opie-sheet/sheet.h
@@ -26,59 +26,61 @@ typedef struct typeCellBorders
 typedef struct typeCellData
 {
   int col, row;
   typeCellBorders borders;
   QBrush background;
   Qt::AlignmentFlags alignment;
   QColor fontColor;
   QFont font;
   QString data;
 };
 
 class Sheet: public QTable
 {
   Q_OBJECT
 
   // Variables
   bool clicksLocked;
   int selectionNo;
   typeCellBorders defaultBorders;
   typeCellData defaultCellData;
 
   // QT objects
   QList<typeCellData> sheetData, clipboardData;
   QString pressedCell, releasedCell, sheetName;
+  QStringList listDataParser;
 
   // Private functions
   int getOperatorPriority(char oper);
   bool findRowColumn(const QString &variable, int *row, int *col, bool giveError=FALSE);
+  QString findCellName(int row, int col);
   bool findRange(const QString &variable1, const QString &variable2, int *row1, int *col1, int *row2, int *col2);
   double calculateVariable(const QString &variable);
   double calculateFunction(const QString &function, const QString &parameters);
   QChar popCharStack(QStack<QChar> *stackChars);
   QString popStringStack(QStack<QString> *stackStrings);
   QString getParameter(const QString &parameters, int paramNo, bool giveError=FALSE, const QString funcName="");
-  QString dataParser(const QString &data);
+  QString dataParser(const QString &cell, const QString &data);
   QString dataParserHelper(const QString &data);
   typeCellData *createCellData(int row, int col);
   typeCellData *findCellData(int row, int col);
   void pushCharStack(QStack<QChar> *stackChars, const QChar &character);
   void pushStringStack(QStack<QString> *stackStrings, const QString &string);
 
   // Sheet/Qt parser functions
   double functionSum(const QString &param1, const QString &param2);
   double functionAvg(const QString &param1, const QString &param2);
   double functionMax(const QString &param1, const QString &param2);
   double functionMin(const QString &param1, const QString &param2);
   double functionCount(const QString &param1, const QString &param2);
 
   // Reimplemented QTable functions
   void paintCell(QPainter *p, int row, int col, const QRect & cr, bool selected);
   void viewportMousePressEvent(QMouseEvent *e);
   void viewportMouseMoveEvent(QMouseEvent *e);
   void viewportMouseReleaseEvent(QMouseEvent *e);
 
   private slots:
     void slotCellSelected(int row, int col);
     void slotCellChanged(int row, int col);
 
   public: