from __future__ import annotations
from typing import TYPE_CHECKING
try:
# python 3.12+
from typing import override # noqa # type: ignore
except ImportError:
from typing_extensions import override # noqa # type: ignore
from com.sun.star.awt import XPaintListener
from ooodev.events.args.generic_args import GenericArgs
from ooodev.adapter.adapter_base import AdapterBase
if TYPE_CHECKING:
from com.sun.star.lang import EventObject
from com.sun.star.awt import PaintEvent
from com.sun.star.presentation import XSlideShowView
from com.sun.star.awt import XWindow
[docs]class PaintListener(AdapterBase, XPaintListener):
"""
makes it possible to receive paint events.
See Also:
`API XPaintListener <https://api.libreoffice.org/docs/idl/ref/interfacecom_1_1sun_1_1star_1_1awt_1_1XPaintListener.html>`_
"""
[docs] def __init__(
self, trigger_args: GenericArgs | None = None, subscriber: XSlideShowView | XWindow | None = None
) -> None:
"""
Constructor:
Arguments:
trigger_args (GenericArgs, optional): Args that are passed to events when they are triggered.
subscriber (XSlideShowView, XWindow, optional): An UNO object that implements ``XSlideShowView`` or ``XWindow`` interface.
If passed in then this instance listener is automatically added to it.
"""
super().__init__(trigger_args=trigger_args)
if subscriber:
subscriber.addPaintListener(self)
# region XPaintListener
[docs] @override
def windowPaint(self, e: PaintEvent) -> None:
"""
Is invoked when a region of the window became invalid, e.g.
when another window has been moved away.
"""
self._trigger_event("windowPaint", e)
[docs] @override
def disposing(self, Source: EventObject) -> None:
"""
Gets called when the broadcaster is about to be disposed.
All listeners and all other objects, which reference the broadcaster
should release the reference to the source. No method should be invoked
anymore on this object ( including ``XComponent.removeEventListener()`` ).
This method is called for every listener registration of derived listener
interfaced, not only for registrations at ``XComponent``.
"""
# from com.sun.star.lang.XEventListener
self._trigger_event("disposing", Source)
# endregion XPaintListener