def editorEvent(self, event, model, option, index):
"""edit right aligned checkbox"""
flags = model.flags(index)
# make sure that the item is checkable
if (not (flags & Qt.ItemIsUserCheckable)
or not (flags & Qt.ItemIsEnabled)):
return False
# make sure that we have a check state
value = index.data(Qt.CheckStateRole)
if not value.isValid():
return False
# make sure that we have the right event type
if event.type() == QEvent.MouseButtonRelease:
textMargin = self.__textMargin()
checkRect = QStyle.alignedRect(
option.direction, Qt.AlignRight, option.decorationSize,
QRect(option.rect.x() + (2 * textMargin), option.rect.y(),
option.rect.width() - (2 * textMargin),
option.rect.height()))
if not checkRect.contains(event.pos()):
return False
elif event.type() == QEvent.KeyPress:
if event.key() not in (Qt.Key_Space, Qt.Key_Select):
return False
else:
return False
if value.toInt()[0] == Qt.Checked:
state = Qt.Unchecked
else:
state = Qt.Checked
return model.setData(index, state, Qt.CheckStateRole)
def paint(self, painter, option, index):
"""paint right aligned checkbox"""
viewItemOption = QStyleOptionViewItemV4(option)
if self.cellFilter(index):
textMargin = self.__textMargin()
newRect = QStyle.alignedRect(
option.direction, Qt.AlignRight,
QSize(option.decorationSize.width() + 5,
option.decorationSize.height()),
QRect(option.rect.x() + textMargin, option.rect.y(),
option.rect.width() - (2 * textMargin),
option.rect.height()))
viewItemOption.rect = newRect
QStyledItemDelegate.paint(self, painter, viewItemOption, index)
def start(self):
"""
Starts the main window
"""
QTApp = QtGui.QApplication(sys.argv)
app_dir = os.path.dirname(os.path.realpath(__file__))
icon_dir = app_dir + os.path.sep + "icons" + os.path.sep
mainWindow = UiMainWindow(self.VERSION, icon_path=icon_dir)
mainWindow.setGeometry(
QStyle.alignedRect(
QtCore.Qt.LeftToRight,
QtCore.Qt.AlignCenter,
mainWindow.size(),
QTApp.desktop().availableGeometry()))
mainWindow.show()
sys.exit(QTApp.exec_())
def center_widget_on_desktop(widget):
widget.setGeometry(QStyle.alignedRect(Qt.LeftToRight,
Qt.AlignCenter,
widget.size(),
qApp.desktop().availableGeometry()))