Making Datagrid Read Only with PyQt6

This demo program shows how to make datagrid read only, make certain cell editable while the rest is read only and display the clicked cell and its content

Ouput:

The code:

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import sys from PyQt6.QtWidgets import QApplication, QWidget, QTableWidget, QStyledItemDelegate, QTableWidgetItem from PyQt6.QtGui import QPainter, QColor, QPen from PyQt6.QtCore import Qt, QEvent, QObject class Delegate(QStyledItemDelegate): def createEditor(self, parent, option, index): if index.data() == "100": return super(Delegate, self).createEditor(parent, option, index) class Window(QWidget): def __init__(self): super(Window, self).__init__() self.initUI() def initUI(self): self.setGeometry(25, 45, 330, 325) self.setWindowTitle('Post 10') self.createTable() self.show() def createTable(self): self.tableWidget = QTableWidget(self) self.tableWidget.viewport().installEventFilter(self) #self.tableWidget.installEventFilter(self) #self.tableWidget.setEditTriggers(QTreeView.NoEditTriggers) self.tableWidget.setRowCount(24) self.tableWidget.setColumnCount(2) self.tableWidget.setFixedSize(280, 275) self.tableWidget.move(25, 25) delegate = Delegate(self.tableWidget) self.tableWidget.setItemDelegate(delegate) text = '100' it = QTableWidgetItem(text) self.tableWidget.setItem(3, 1, it) self.tableWidget.setHorizontalHeaderLabels(['PM2.5', 'PM10']) self.tableWidget.horizontalHeader().setStretchLastSection(True) self.tableWidget.verticalHeader().setStretchLastSection(True) def eventFilter(self, source, event): #if self.tableWidget.selectedIndexes() != []: if event.type() == QEvent.Type.MouseButtonRelease: #if event.button() == QtCore.Qt.LeftButton: row = self.tableWidget.currentRow() col = self.tableWidget.currentColumn() if self.tableWidget.item(row, col) is not None: print(str(row) + " " + str(col) + " " + self.tableWidget.item(row, col).text()) else: print(str(row) + " " + str(col)) #self.test.leftClick(row, col) #elif event.button() == QtCore.Qt.RightButton: # row = self.tableWidget.currentRow() # col = self.tableWidget.currentColumn() # self.test.rightClick(row, col) return QObject.event(source, event) def main(): app = QApplication(sys.argv) ex = Window() sys.exit(app.exec()) if __name__ == '__main__': main()