55 lines
1.6 KiB
Python
55 lines
1.6 KiB
Python
from typing import Optional
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from gi.repository import GdkPixbuf, Gtk
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class SpinnerImage(Gtk.Overlay):
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def __init__(
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self,
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loading: bool = True,
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image_name: str = None,
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spinner_name: str = None,
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image_size: int = None,
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**kwargs,
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):
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"""An image with a loading overlay."""
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Gtk.Overlay.__init__(self)
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self.image_size = image_size
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self.filename: Optional[str] = None
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self.image = Gtk.Image(name=image_name, **kwargs)
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self.add(self.image)
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self.spinner = Gtk.Spinner(
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name=spinner_name,
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active=loading,
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halign=Gtk.Align.CENTER,
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valign=Gtk.Align.CENTER,
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)
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self.add_overlay(self.spinner)
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def set_from_file(self, filename: Optional[str]):
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"""Set the image to the given filename."""
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if filename == "":
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filename = None
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self.filename = filename
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if self.image_size is not None and filename:
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pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_scale(
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filename, self.image_size, self.image_size, True,
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)
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self.image.set_from_pixbuf(pixbuf)
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else:
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self.image.set_from_file(filename)
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def set_loading(self, loading_status: bool):
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if loading_status:
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self.spinner.start()
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self.spinner.show()
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else:
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self.spinner.stop()
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self.spinner.hide()
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def set_image_size(self, size: int):
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self.image_size = size
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self.set_from_file(self.filename)
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