def populate_mime_data_for_drag(self, mime_data, size: Geometry.IntSize):
if self.__display_item:
mime_data.set_data_as_string(MimeTypes.DISPLAY_ITEM_MIME_TYPE, str(self.__display_item.uuid))
rgba_image_data = self.__thumbnail_source.thumbnail_data
thumbnail = Image.get_rgba_data_from_rgba(Image.scaled(Image.get_rgba_view_from_rgba_data(rgba_image_data), (size.width, size.height))) if rgba_image_data is not None else None
return True, thumbnail
return False, None
def drag_started(self, ui: UserInterface.UserInterface, x: int, y: int, modifiers: UserInterface.KeyboardModifiers) -> typing.Tuple[typing.Optional[UserInterface.MimeData], typing.Optional[numpy.ndarray]]:
if self.__display_item:
mime_data = self.ui.create_mime_data()
if self.__display_item:
MimeTypes.mime_data_put_display_item(mime_data, self.__display_item)
thumbnail_data = self.calculate_thumbnail_data()
if thumbnail_data is not None:
# scaling is very slow
thumbnail_data = Image.get_rgba_data_from_rgba(Image.scaled(Image.get_rgba_view_from_rgba_data(thumbnail_data), Geometry.IntSize(w=80, h=80)))
return mime_data, thumbnail_data
return None, None
def populate_mime_data_for_drag(self, mime_data: UserInterface.MimeData,
size: Geometry.IntSize):
if self.__display_item:
MimeTypes.mime_data_put_display_item(mime_data,
self.__display_item)
rgba_image_data = self.__thumbnail_source.thumbnail_data
thumbnail = Image.get_rgba_data_from_rgba(
Image.scaled(
Image.get_rgba_view_from_rgba_data(rgba_image_data),
(size.width,
size.height))) if rgba_image_data is not None else None
return True, thumbnail
return False, None
def populate_mime_data_for_drag(
self, mime_data: UserInterface.MimeData, size: Geometry.IntSize
) -> typing.Tuple[bool, typing.Optional[_NDArray]]:
if self.__display_item:
MimeTypes.mime_data_put_display_item(mime_data,
self.__display_item)
rgba_image_data = self.__thumbnail_source.thumbnail_data if self.__thumbnail_source else None
thumbnail = Image.get_rgba_data_from_rgba(
Image.scaled(
Image.get_rgba_view_from_rgba_data(rgba_image_data),
(80, 80))) if rgba_image_data is not None else None
return True, thumbnail
return False, None
