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FunctionValidator

Qt Base Class: QValidator

Signature: QValidator(self, parent: Optional[PySide6.QtCore.QObject] = None) -> None

Base classes

Name Children Inherits
Validator
prettyqt.gui.validator

⋔ Inheritance diagram

graph TD
  1473296410096["validators.FunctionValidator"]
  1473245568976["gui.Validator"]
  1473245536768["gui.ValidatorMixin"]
  1473299815024["core.ObjectMixin"]
  140713234304496["builtins.object"]
  1473289208592["QtGui.QValidator"]
  1473288842240["QtCore.QObject"]
  1473291690208["Shiboken.Object"]
  1473245568976 --> 1473296410096
  1473245536768 --> 1473245568976
  1473299815024 --> 1473245536768
  140713234304496 --> 1473299815024
  1473289208592 --> 1473245568976
  1473288842240 --> 1473289208592
  1473291690208 --> 1473288842240
  140713234304496 --> 1473291690208

🛈 DocStrings

Bases: Validator

Validator which checks based on a given Callable.

Allows for quickly creating a validator without subclassing.

Source code in prettyqt\validators\functionvalidator.py
class FunctionValidator(gui.Validator):
    """Validator which checks based on a given Callable.

    Allows for quickly creating a validator without subclassing.
    """

    ID = "function"

    def __init__(self, fn: Callable[[str], bool], parent=None):
        super().__init__(parent)
        self._fn = fn

    def __eq__(self, other: object):
        return isinstance(other, FunctionValidator) and other._fn == self._fn

    def validate(self, text: str, pos: int = 0) -> tuple[gui.QValidator.State, str, int]:
        if self._fn(text):
            return self.State.Acceptable, text, pos
        return self.State.Invalid, text, pos

⌗ Property table

Qt Property Type Doc
objectName QString

Validator ID: function