class EditableLabel(QLabel):
def __init__(self, save, failCallback, *args, **kwargs):
QLabel.__init__(self, *args, **kwargs)
self.save = save
self.editable = True
self.failCallback = failCallback
self.editor = QLineEdit(self)
self.editor.setWindowFlags(Qt.Popup)
self.editor.setFocusProxy(self)
self.editor.editingFinished.connect(self.handleEditingFinished)
self.editor.installEventFilter(self)
self.callback = lambda text: 0
def eventFilter(self, widget, event):
if ((event.type() == QEvent.MouseButtonPress
and not self.editor.geometry().contains(event.globalPos()))
or (event.type() == QEvent.KeyPress
and event.key() == Qt.Key_Escape)):
self.editor.hide()
return True
return QLabel.eventFilter(self, widget, event)
def disableEdit(self):
self.editable = False
self.editor.hide()
def enableEdit(self):
self.editable = True
def mouseDoubleClickEvent(self, event=None):
if not self.editable:
if self.failCallback:
self.failCallback()
return
rect = self.rect()
self.editor.setFixedSize(rect.size())
self.editor.move(self.mapToGlobal(rect.topLeft()))
self.editor.setText(self.text())
self.editor.setFocus(Qt.MouseFocusReason)
self.editor.selectAll()
if not self.editor.isVisible():
self.editor.show()
def handleEditingFinished(self):
text = self.editor.text()
self.editor.hide()
if self.save:
self.setText(text)
self.callback(text)
class Item(QWidget):
item_finished_signal = Signal(int)
item_commit_signal = Signal(int)
item_tab_pressed_signal = Signal(int)
def __init__(self, index, level=0, text=None):
super().__init__()
self.index = index
self.level = level
self.layout = QHBoxLayout()
self.checkbox = QCheckBox()
self.lineedit = QLineEdit()
self.checkbox.setFocusPolicy(Qt.NoFocus)
self.lineedit.setFocusPolicy(Qt.ClickFocus)
self.lineedit.setText(text)
self.lineedit.installEventFilter(self)
self.layout.addWidget(self.checkbox)
self.layout.addWidget(self.lineedit)
self.setLayout(self.layout)
self.checkbox.stateChanged.connect(self.checked_slot)
self.lineedit.returnPressed.connect(self.return_slot)
def checked_slot(self):
self.item_finished_signal.emit(self.index)
self.deleteLater()
def return_slot(self):
if self.lineedit.text():
self.item_commit_signal.emit(self.index)
def eventFilter(self, obj, event):
if obj == self.lineedit:
if event.type() == QEvent.KeyPress:
if event.key() == Qt.Key_Tab:
self.item_tab_pressed_signal.emit(self.index)
return True
return QWidget.eventFilter(self, obj, event)
