WebQTableView: dataChanged event clears cell being edited. Working with a QTableView and QAbstractTableModel - when the model emits a dataChanged event for the cell being edited, the string the user has typed in the cell (but not pressed enter to 'commit' the edit) is erased. Example: Click a cell, type '123', cell is still in edit mode waiting ... Here is the method that i emit data changed in: void signalTapSignalAggregator::updateFinished () { QModelIndex topLeft = index (0, 0); QModelIndex bottomRight = index (numberOfRow, listOfSignals.size ()); beginResetModel (); //emit layoutAboutToBeChanged (); emit layoutChanged (); emit dataChanged (topLeft,bottomRight); }
Как обновить QSqlTableModel при сохранении выбора?
WebThe code to emit dataChanged is: self.dataChanged.emit ( self.createIndex ( row, 0 ), self.createIndex ( row, 4 ) ) self.dataChanged.emit ( self.createIndex ( row, 0 ), self.createIndex ( row, 4 ), [QtCore.Qt.DisplayRole] ) (Yes I called it twice in case it mattered about the optional role list). WebDec 22, 2012 · 1. QSqlQueryModel is a great database model, but it is read only. So I rewrite its setData () and flags () method. Now, I can edit my database table from QTableView. But QTableView won't refresh itself when I emited a dataChanged (), when I edited a textbox in the QTableView and clicked somewhere else, the new value wrote into the database ... cvs brea blvd brea
How to modify the data in the model and update the view when
WebNov 24, 2024 · You have to emit the signal on the model where you change the data, not on the one in the view. And layoutAboutToBeChanged is a little bit too much - begin/endInsterRows () is suffice. I tried this before but I would end … WebThe code to emit dataChanged is: self.dataChanged.emit ( self.createIndex ( row, 0 ), self.createIndex ( row, 4 ) ) self.dataChanged.emit ( self.createIndex ( row, 0 ), … WebSep 3, 2024 · 我想在pyqt5中对qtableView进行排序.我找到了一个使用pyqt4的示例，但是在pyqt5中不再存在.这是我的示例代码class MainWindow(QWidget):def __init__(self, parent=None):super(MainWindow, self).__init__(paren cvs brawley school road mooresville nc