It took me way too long, but now I know how to handle the value-changed event of GtkScale.
In Glade:
foo_scale.Signals -> GtkRange -> value-changed line change the Handler
field to something sensible like on_foo_scale_value_changed. That will
be the name of …Expanding on the tutorial:
https://nofurtherquestions.wordpress.com/2017/03/03/python-3-5-gtk-3-glade-and-opencv/
it originally had shown the following structure:
- window1 (GtkWindow)
- box1 (GtkBox)
- grayscaleButton (GtkToggleButton)
- image (GtkImage)
According to https://stackoverflow.com/a/24388310/189995 GtkImage does not
generate events, so if you want to find the mouse location, put …
This technology is indistinguishable from magic. I am merely recalling which spells and incantations worked for me. If you have anything to add, you can reach me on https://gitgud.io/yuvallanger/kaka.farm/ or https://gitlab.com/yuvallanger/kaka.farm/.
Several months ago, writing a Flappy Bird clone …