I'm going to put all the GUI and Python issues aside for a moment, and share a few things I've learned about creating a non-linear video editor using the Gstreamer framework. One of the original authors of Gstreamer also created a library called gnonlin (i.e. Gstreamer Non-Linear). This library ...

As great as Cairo seems, I just recently learned about a widget in the gnome / GTK+ library that can also be used for drawing: Gnome Canvas. While Cairo seems to be more for drawing static, non-interactive pictures, the Gnome Canvas is more for layering shapes, bitmaps, etc... onto a "canvas", and it keeps track of ...

Glade 3.0 is a great GUI designer. I can't imagine creating a GUI using code when this option is available. It takes no more than a few minutes to setup a screen, name your signals, and set the default properties. It's also super easy to hook up the handler methods.

Check out ...