Avoid crash if app was unable to open the file

2 files changed, 7 insertions, 3 deletions

diff --git a/noncore/apps/opie-sheet/Excel.cpp b/noncore/apps/opie-sheet/Excel.cpp
index 57aef20..338bc30 100644
--- a/noncore/apps/opie-sheet/Excel.cpp
+++ b/noncore/apps/opie-sheet/Excel.cpp
@@ -584,17 +584,18 @@ void ExcelBook::GetSheets(void)
         sheet=GetSheet();
     };
 };
 
 bool ExcelBook::ParseBook(char *file)
 {
     dateformat=QString("");
     DetectEndian();
-    OpenFile(file);
+    if ( !OpenFile( file ) )
+	    return false;
     SeekBOF();
     ParseSheets();
     GetSheets();
     return true;
 };
 
 QString ExcelBook::GetASCII(char* inbytes, int pos, int chars)
 {
diff --git a/noncore/apps/opie-sheet/mainwindow.cpp b/noncore/apps/opie-sheet/mainwindow.cpp
index 7394623..3095142 100644
--- a/noncore/apps/opie-sheet/mainwindow.cpp
+++ b/noncore/apps/opie-sheet/mainwindow.cpp
@@ -872,33 +872,36 @@ void MainWindow::slotFileSaveAs()
     currentDoc->setFile(QString::null);
     currentDoc->setLinkFile(QString::null);
     documentSave(currentDoc);
 }
 
 void MainWindow::slotImportExcel(const DocLnk &lnkDoc)
 {
     ExcelBook file1;
-    file1.ParseBook((char *)lnkDoc.file().ascii());
+    if ( !file1.ParseBook((char *)lnkDoc.file().ascii()) ){
+	    QMessageBox::critical(this, tr("Error"), tr("<td>Unable to open or parse file!</td>"));
+	    return;
+    }
     int NumOfSheets=file1.Sheets.count();
     printf("OpieSheet::NumberOfSheets:%d\r\n",NumOfSheets);
     if (documentModified && saveCurrentFile()==QMessageBox::Cancel) return;
     if (currentDoc) delete currentDoc;
     currentDoc = new DocLnk();
     listSheets.clear();
     comboSheets->clear();
     int w1,r,c;
     ExcelSheet* sh1;
     typeSheet* newSheet;
     QString* str;
     typeCellData* newCell;
     for(w1=1;w1<=NumOfSheets;w1++)
     {
         sh1=file1.Sheets[w1-1];
-        printf("OpieSheet:newSheet:%x,r=%d,c=%d\r\n",sh1,sh1->rows,sh1->cols);
+        // printf("OpieSheet:newSheet:%x,r=%d,c=%d\r\n",sh1, sh1->rows,sh1->cols);
         newSheet=new typeSheet;
         newSheet->data.setAutoDelete(TRUE);
         newSheet->name=sh1->name;
         printf("OpieSheet:Sheetname:%s\r\n",sh1->name.ascii());
         comboSheets->insertItem(newSheet->name);
         for(r=1; r <= sh1->rows; r++)
         {
             for(c=1;c <= sh1->cols; c++)