Python PyQt4 funkcje do zapisywania i przywracania wartości widżetu UI?

Oto zaktualizowany fragment, który pierwotnie udostępnił panofish. Te wspaniałe funkcje są takie same, ale teraz mogą być używane na Nigdy wersjach PyQt i Pythona z niewielkimi zmianami, jeśli zajdzie taka potrzeba. Thx Panie Panofish, Niech żyje OpenSource! :)

Zmiany:

• Zaktualizowano dla Python3 i PyQt5
• dodano geometrię save\restore
• dodano QRadioButton save\restore

• SetCheckState() replcaed z SetChecked () w celu uniknięcia tristate

  def guisave(self):
  
    # Save geometry
      self.settings.setValue('size', self.size())
      self.settings.setValue('pos', self.pos())
  
      for name, obj in inspect.getmembers(ui):
        # if type(obj) is QComboBox:  # this works similar to isinstance, but missed some field... not sure why?
        if isinstance(obj, QComboBox):
            name = obj.objectName()  # get combobox name
            index = obj.currentIndex()  # get current index from combobox
            text = obj.itemText(index)  # get the text for current index
            settings.setValue(name, text)  # save combobox selection to registry
  
        if isinstance(obj, QLineEdit):
            name = obj.objectName()
            value = obj.text()
            settings.setValue(name, value)  # save ui values, so they can be restored next time
  
        if isinstance(obj, QCheckBox):
            name = obj.objectName()
            state = obj.isChecked()
            settings.setValue(name, state)
  
        if isinstance(obj, QRadioButton):
            name = obj.objectName()
            value = obj.isChecked()  # get stored value from registry
            settings.setValue(name, value)
  
  
  def guirestore(self):
  
    # Restore geometry  
    self.resize(self.settings.value('size', QtCore.QSize(500, 500)))
    self.move(self.settings.value('pos', QtCore.QPoint(60, 60)))
  
    for name, obj in inspect.getmembers(ui):
        if isinstance(obj, QComboBox):
            index = obj.currentIndex()  # get current region from combobox
            # text   = obj.itemText(index)   # get the text for new selected index
            name = obj.objectName()
  
            value = (settings.value(name))
  
            if value == "":
                continue
  
            index = obj.findText(value)  # get the corresponding index for specified string in combobox
  
              if index == -1:  # add to list if not found
                  obj.insertItems(0, [value])
                  index = obj.findText(value)
                  obj.setCurrentIndex(index)
              else:
                  obj.setCurrentIndex(index)  # preselect a combobox value by index
  
        if isinstance(obj, QLineEdit):
            name = obj.objectName()
            value = (settings.value(name).decode('utf-8'))  # get stored value from registry
            obj.setText(value)  # restore lineEditFile
  
        if isinstance(obj, QCheckBox):
            name = obj.objectName()
            value = settings.value(name)  # get stored value from registry
            if value != None:
                obj.setChecked(strtobool(value))  # restore checkbox
  
        if isinstance(obj, QRadioButton):
           name = obj.objectName()
           value = settings.value(name)  # get stored value from registry
           if value != None:
               obj.setChecked(strtobool(value))
  

Dziękuję Panofish i wszystkim dodaję jakąś aktualizację dla QSlider/QSpinBox. jest mały i prosty.

W guisave możesz dodać:

if isinstance(obj, QSpinBox):
    name  = obj.objectName()
    value = obj.value()             # get stored value from registry
    settings.setValue(name, value)

if isinstance(obj, QSlider):
    name  = obj.objectName()
    value = obj.value()             # get stored value from registry
    settings.setValue(name, value)

W guirestore możesz dodać:

if isinstance(obj, QSlider):
    name = obj.objectName()
    value = settings.value(name)    # get stored value from registry
    if value != None:           
        obj. setValue(int(value))   # restore value from registry

if isinstance(obj, QSpinBox):
    name = obj.objectName()
    value = settings.value(name)    # get stored value from registry
    if value != None:
        obj. setValue(int(value))   # restore value from registry

Dodaję aktualizację dla QListWidget.

W guisave:

if isinstance(obj, QListWidget):
    name = obj.objectName()
    settings.beginWriteArray(name)
    for i in range(obj.count()):
        settings.setArrayIndex(i)
        settings.setValue(name, obj.item(i).text())
    settings.endArray()

W guirestore:

if isinstance(obj, QListWidget):
    name = obj.objectName()
    size = settings.beginReadArray(name)
    for i in range(size):
        settings.setArrayIndex(i)
        value = settings.value(name)  # get stored value from registry
        if value != None:
            obj.addItem(value)
    settings.endArray()