Okay if I understood your question this would be what you were looking for -- note I cleaned up the code and made it more Pythonic and Qt-ish and added a few explanations why some things were changed
USE_PYSIDE2 = False
if USE_PYSIDE2:
from PySide2.QtCore import Signal, Slot
from PySide2.QtWidgets import QApplication, QVBoxLayout
from PySide2.QtWidgets import QListWidget, QMessageBox
else:
from PyQt5.QtCore import pyqtSignal as Signal
from PyQt5.QtCore import pyqtSlot as Slot
from PyQt5.QtWidgets import QApplication, QWidget, QVBoxLayout
from PyQt5.QtWidgets import QListWidget, QMessageBox
class MyWindow(QWidget):
def __init__(self):
# Do not use Super( ) it was made to handle a specific issue that
# rarely occurs and if you are not experiencing that rather specific
# issue you are adding more potential issues by using Super( ) and
# making your program more complex than it needs to be
QWidget.__init__(self)
Top = 150;Left = 200;Width=400;Hight=200
self.setGeometry(Top,Left,Width,Hight)
self.setWindowTitle('APL-Besök')
# Skapa listkontroll
self.lstDates = QListWidget(self)
# Lägg till alternativ i listan
ItemsForListBox = self.GetDateList()
self.lstDates.addItems(ItemsForListBox)
# Sätt standardalternativet till rad 0
self.lstDates.setCurrentRow(0)
# Koppla en händelsemetod till signal
self.lstDates.currentRowChanged.connect(self.OnCurrentRowChanged)
VBox = QVBoxLayout()
VBox.addWidget(self.lstDates)
self.setLayout(VBox)
# While you can get away with not using the Slot decorator it can cause
# issues and not using it is just lazy coding
@Slot(int)
def OnCurrentRowChanged(self, RowNum):
# If doing simple debugging or proof of concept prints are simpler
print('Meddelande : Senaste besöket : [',RowNum,']')
print('Meddelande : Nästa besök : [',self.lstDates.currentItem().text(),']')
print('Using the RowNum to Get Item Value [',self.lstDates.item(RowNum).text(),']')
# Hantera signalen currentRowChanged
# Using str(Curr) might not get you want you want to know -- best to always just print
# the raw value (as done above) so you know exactly what you are getting
# QMessageBox.information(self, "Meddelande", "Senaste besöket: " + str(Curr))
# QMessageBox.information(self, "Meddelande", "Nästa besök: " + self.list_box.currentItem().text())
def GetDateList(self):
# Doing it this way so that how this List gets generated can be done as needed
# without affecting the basic flow of the program
DateList = ['2019-10-14','2019-10-15','2019-10-16','2019-10-17','2019-10-18','2019-10-21','2019-10-22','2019-10-23','2019-10-24','2019-10-25','2019-11-07','2019-11-08','2019-11-14','2019-11-15','2019-11-21','2019-11-28','2019-11-29','2019-12-05','2019-12-06','2019-12-12','2019-12-13','2019-12-16','2019-12-17','2019-12-18','2019-12-19','2020-01-15','2020-01-16','2020-01-23','2020-01-24','2020-01-30','2020-01-31','2020-02-06','2020-02-07','2020-02-13','2020-02-14','2020-02-17','2020-02-18','2020-02-19','2020-02-20','2020-02-21','2020-03-02','2020-03-03','2020-03-04','2020-03-05','2020-03-06','2020-03-09','2020-03-10','2020-03-11','2020-03-12','2020-03-13','2020-03-19','2020-03-20','2020-03-26','2020-03-27','2020-04-02','2020-04-03','2020-04-09','2020-04-24','2020-04-30','2020-05-07','2020-05-08','2020-05-15','2020-05-25','2020-05-26','2020-05-27','2020-05-28','2020-05-29','2020-06-01','2020-06-02','2020-06-03','2020-06-04','2020-06-05']
return DateList.copy()
if __name__ == '__main__':
# If not using Command Line arguments then you do not need sys.argv
# and if using Command Line arguments use argparser library instead
MainEventThread = QApplication([])
MainApp = MyWindow()
MainApp.show()
# This is the Qt5 way of handling it now
MainEventThread.exec()