Solve bug of completer in GridAccount

src/view/grid/TabDelegate.cpp

@@ -53,3 +53,28 @@ void TabDelegate::setEditorData(QWidget *editor,
 
     line->setText(s.trimmed());
 }
+
+/*
+ Implement editorEvent due to a "feature" in Qt : If we have a QLineEdit with a completer
+ and we press a key on a non edited cell, editor immediatly returns (it's perhaps a focus
+ problem)
+ */
+bool TabDelegate::editorEvent ( QEvent * event, QAbstractItemModel * model, const QStyleOptionViewItem & option, const QModelIndex & index )
+{
+    if (event->type() == QEvent::KeyPress && _completer)
+    {
+	QTableWidgetItem* item = _grid->item(index.row(), index.column());
+	if (item->text() == "")
+	{
+	    _grid->editItem(item);
+	    QLineEdit* line = qobject_cast<QLineEdit *>(_grid->cellWidget(index.row(), index.column()));
+	    QKeyEvent* kevent = dynamic_cast<QKeyEvent *> (event);
+	    line->setText(kevent->text());
+	    _completer->setCompletionPrefix(kevent->text());
+	    _completer->complete();
+	    return true;
+	}
+    }
+
+    return false;
+}