Investigate disabled button state

[willmcgugan]

Disabled buttons still have a hover state, even with a hack to watch_mouse_hover.

Investigate why this occurs, and fix or implement a better solution.

[rogerlew]

overriding get_pseudo_classes in the Button class seems to work

    def get_pseudo_classes(self) -> Iterable[str]:
        """Pseudo classes for a widget.

        Returns:
            Iterable[str]: Names of the pseudo classes.

        """
        for cls in super().get_pseudo_classes():
            if cls == 'hover' and self.disabled:
                continue
            yield cls

[darrenburns]

It doesn't seem to be the case anymore @willmcgugan.

Running textual run docs/examples/widgets/button.py --dev and hovering over the buttons - nothing happens.

[willmcgugan]

Ok, assuming fixed. Re-open if it reoccurs.

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