def create_command_panel(fig, commands):
command_panel = QListWidget()
for c in commands:
cmd_txt, cntxt = c
cntxt[2]['figure'] = fig
btn = CommandItem(command_panel, cmd_txt, cntxt)
command_panel.itemClicked.connect(on_command_clicked)
width = command_panel.size()
hint = command_panel.sizeHint()
frame_width = command_panel.frameWidth() + 2
column_width = command_panel.sizeHintForColumn(0) + 2 * frame_width
command_panel.setMinimumWidth(column_width)
command_panel.setMaximumWidth(column_width)
command_panel.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Minimum)
return command_panel
class LocationLineEditPopup(QWidget):
def __init__(self, parent: 'LocationLineEdit') -> None:
super().__init__(
parent, Qt.Window | Qt.WindowStaysOnTopHint
| Qt.X11BypassWindowManagerHint | Qt.FramelessWindowHint)
self._parent = parent
self._previous_text: Optional[str] = None
self._build_gui()
self.listwidget.itemClicked.connect(self._on_item_clicked)
def _build_gui(self) -> None:
# Widgets
self.listwidget = QListWidget()
# Layout
vbox = QVBoxLayout()
# vbox.setSizeConstraint(QLayout.SetMaximumSize)
vbox.addWidget(self.listwidget)
vbox.setContentsMargins(0, 0, 0, 0)
self.listwidget.setSizePolicy(QSizePolicy.Ignored, QSizePolicy.Ignored)
self.setLayout(vbox)
def set_completions(self, longest: str, candidates: List[str]) -> None:
self.listwidget.clear()
for candidate in candidates:
self.listwidget.addItem(candidate)
self._fit_box_to_content()
def _fit_box_to_content(self) -> None:
self.listwidget.setMinimumWidth(self.listwidget.sizeHintForColumn(0))
def on_key_up(self) -> None:
row = self.listwidget.currentRow()
if row == -1:
self._previous_text = self._parent.text()
row -= 1
if row >= 0:
self.listwidget.setCurrentRow(row)
completion = self.get_current_completion()
if completion is not None:
self._parent.setText(completion)
def on_key_down(self) -> None:
row = self.listwidget.currentRow()
if row == -1:
self._previous_text = self._parent.text()
row += 1
if row < self.listwidget.count():
self.listwidget.setCurrentRow(row)
completion = self.get_current_completion()
if completion is not None:
self._parent.setText(completion)
def abort_completion(self) -> None:
self._parent.setText(self._previous_text)
self._previous_text = None
self.listwidget.setCurrentRow(-1)
def get_prefered_height(self) -> int:
height: int = (
self.listwidget.sizeHintForRow(0) * self.listwidget.count() +
2 * self.listwidget.frameWidth())
return min(height, 400)
def get_current_completion(self) -> Optional[str]:
row = self.listwidget.currentRow()
if row == -1:
return None
else:
item = self.listwidget.item(row)
return cast(str, item.text())
def _on_item_clicked(self, item):
self._parent.setText(item.text())
self._parent.on_return_pressed()
