Hi Ziller,
Thanks for the information and I apologize for sending to the wrong mailing
list. I've just sent there.
-alfa
On Thursday, January 30, 2014 4:14 PM, Ziller Eike <[email protected]>
wrote:
Try the interest@ mailing list maybe, I don’t know if there might be some PyQt
specific list, if there is, that might be even better suited…
This list is about using and developing Qt Creator.
Br, Eike
On Jan 30, 2014, at 6:05 AM, alfa <[email protected]> wrote:
> I would like to have the following feature when using QTreeWidget via signal
> and slot mechanism. As an item(item_0) is entered, then a slot will be
> connected(that simply sets a value on (item_1)). To achieve that, I did the
> following:
> self.treeWidget.itemEntered(item_0, 0).connect(self.trigger_result)
>
> and the UI complete code is as below:
> class Ui_MainWindow(object):
> def setupUi(self, MainWindow):
> MainWindow.setObjectName(_fromUtf8("MainWindow"))
> MainWindow.resize(480, 471)
> self.centralWidget = QtGui.QWidget(MainWindow)
> self.centralWidget.setObjectName(_fromUtf8("centralWidget"))
> self.treeWidget = QtGui.QTreeWidget(self.centralWidget)
> self.treeWidget.setGeometry(QtCore.QRect(20, 20, 431, 321))
> self.treeWidget.setObjectName(_fromUtf8("treeWidget"))
> item_0 = QtGui.QTreeWidgetItem(self.treeWidget)
> item_1 = QtGui.QTreeWidgetItem(item_0)
>
>item_1.setFlags(QtCore.Qt.ItemIsSelectable|QtCore.Qt.ItemIsEditable|QtCore.Qt.ItemIsDragEnabled|QtCore.Qt.ItemIsUserCheckable|QtCore.Qt.ItemIsEnabled)
> item_1 = QtGui.QTreeWidgetItem(item_0) #redundant
>
>item_1.setFlags(QtCore.Qt.ItemIsSelectable|QtCore.Qt.ItemIsEditable|QtCore.Qt.ItemIsDragEnabled|QtCore.Qt.ItemIsUserCheckable|QtCore.Qt.ItemIsEnabled)
> #redundant
> item_0 = QtGui.QTreeWidgetItem(self.treeWidget) #redundant
> item_0 = QtGui.QTreeWidgetItem(self.treeWidget) #redundant
> MainWindow.setCentralWidget(self.centralWidget)
> self.menuBar = QtGui.QMenuBar(MainWindow)
> self.menuBar.setGeometry(QtCore.QRect(0, 0, 480, 23))
> self.menuBar.setObjectName(_fromUtf8("menuBar"))
> MainWindow.setMenuBar(self.menuBar)
> self.mainToolBar = QtGui.QToolBar(MainWindow)
> self.mainToolBar.setObjectName(_fromUtf8("mainToolBar"))
> MainWindow.addToolBar(QtCore.Qt.TopToolBarArea, self.mainToolBar)
> self.statusBar = QtGui.QStatusBar(MainWindow)
> self.statusBar.setObjectName(_fromUtf8("statusBar"))
> MainWindow.setStatusBar(self.statusBar)
>
> self.retranslateUi(MainWindow)
>
> self.treeWidget.itemEntered(item_0, 0).connect(self.trigger_result)
>
> QtCore.QMetaObject.connectSlotsByName(MainWindow)
>
> def trigger_result(self):
> self.treeWidget.topLevelItem(0).child(1).setText(1, '99')
>
>
> def retranslateUi(self, MainWindow):
> MainWindow.setWindowTitle(QtGui.QApplication.translate("MainWindow",
>"MainWindow", None, QtGui.QApplication.UnicodeUTF8))
> self.treeWidget.headerItem().setText(0,
>QtGui.QApplication.translate("MainWindow", "Property", None,
>QtGui.QApplication.UnicodeUTF8))
> self.treeWidget.headerItem().setText(1,
>QtGui.QApplication.translate("MainWindow", "Value", None,
>QtGui.QApplication.UnicodeUTF8))
> __sortingEnabled = self.treeWidget.isSortingEnabled()
> self.treeWidget.setSortingEnabled(False)
> self.treeWidget.topLevelItem(0).setText(0,
>QtGui.QApplication.translate("MainWindow", "Main", None,
>QtGui.QApplication.UnicodeUTF8))
> self.treeWidget.topLevelItem(0).child(0).setText(0,
>QtGui.QApplication.translate("MainWindow", "Mass flow", None,
>QtGui.QApplication.UnicodeUTF8))
> self.treeWidget.topLevelItem(0).child(1).setText(0,
>QtGui.QApplication.translate("MainWindow", "Efficiency", None,
>QtGui.QApplication.UnicodeUTF8))
> self.treeWidget.topLevelItem(1).setText(0,
>QtGui.QApplication.translate("MainWindow", "Inlet/Inner part", None,
>QtGui.QApplication.UnicodeUTF8))
> self.treeWidget.topLevelItem(2).setText(0,
>QtGui.QApplication.translate("MainWindow", "Outlet/Outer part", None,
>QtGui.QApplication.UnicodeUTF8))
> self.treeWidget.setSortingEnabled(__sortingEnabled)
>
> However, I receive the following error:
> line 283, in setupUi
> self.treeWidget.itemEntered(item_0, 0).connect(self.trigger_result)
>
> I understand that if I do:
> self.treeWidget.itemEntered.connect(self.trigger_result)
>
> it will work, but the problem is, any cell or item entered, it will
> definitely call the slot, which is not what I want.
> Also, I've tried:
> self.treeWidget.itemEntered(self.treeWidget.topLevelItem(0).child(0),
> 1).connect(self.trigger_result)
>
> it doesn't work either.
>
> Attached is the code in Python. Please shed some light on this.
>
> Thanks in advance.
> <mainwindow.py>_______________________________________________
> Qt-creator mailing list
> [email protected]
> http://lists.qt-project.org/mailman/listinfo/qt-creator
--
Eike Ziller, Senior Software Engineer - Digia, Qt
Digia Germany GmbH, Rudower Chaussee 13, D-12489 Berlin
Geschäftsführer: Mika Pälsi, Juha Varelius, Tuula Haataja
Sitz der Gesellschaft: Berlin, Registergericht: Amtsgericht Charlottenburg, HRB
144331 B_______________________________________________
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