Source code for magicclass.widgets.utils
from __future__ import annotations
from qtpy.QtWidgets import QWidget, QVBoxLayout, QGridLayout, QHBoxLayout
from magicgui.widgets import Widget
from magicgui.backends._qtpy.widgets import QBaseWidget
class _NotInitialized:
def __init__(self, msg: str):
self.msg = msg
def __getattr__(self, key: str):
raise RuntimeError(self.msg)
[docs]class FreeWidget(Widget):
"""A Widget class with any QWidget as a child."""
_widget = _NotInitialized(
"Widget is not correctly initialized. Must call `super().__init__` before using "
"the widget."
)
def __init__(self, layout="vertical", **kwargs):
super().__init__(widget_type=QBaseWidget, backend_kwargs={"qwidg": QWidget}, **kwargs)
self.native: QWidget
self.central_widget: QWidget
if layout == "vertical":
self.native.setLayout(QVBoxLayout())
elif layout == "horizontal":
self.native.setLayout(QHBoxLayout())
elif layout == "grid":
self.native.setLayout(QGridLayout())
else:
raise ValueError(layout)
self.native.setContentsMargins(0, 0, 0, 0)
[docs] def set_widget(self, widget: QWidget, *args):
"""Set the central widget to the widget."""
self.native.layout().addWidget(widget, *args)
widget.setParent(self.native)
self.central_widget = widget
[docs]def magicwidget(qcls: type[QWidget]):
from ..utils import iter_members
for name, attr in iter_members(qcls):
def _(self: FreeWidget, *args, **kwargs):
return attr(self.central_widget, *args, **kwargs)
cls = type(qcls.__name__, (FreeWidget, ), {})