GtkWidget provides API to override the background color defined in the Gtk Theme ( gtk_widget_override_background_color ).
It doesn't seem to provide anything similar to override the background image other than building a CSS stylesheet and using a GtkCssProvider to load it.
Using this approach requires that the image resides somewhere in the filesystem . If you have an image already in memory you can't use it without first saving it out.
Another approach would be to write a custom GtkStyleProvider (similar to the GtkModifierStyle) which provides an override background image function. This approach seems impossible as a portion of the style provider implementation is private (the GtkStyleProviderPrivate interface).
Are there any other options for setting the background image on a widget using an in-memory image?
Thanks,
Bogdan & Silenio
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