clsid2

Can you make a test build? Since the reserved buttons are in the middle of the image, we can't use the image width as an indicator of how many buttons...

In light theme, the active buttons are light gray and disabled buttons dark. Should be swapped. The customize toolbar dialog could probably be moved to a new settings page. Where...

I will check it out very soon

The new toolbar settings page works good. Minor nits: the columns seem to have slightly different width the arrow buttons could be a bit better quality

I have very little time this month to look at code. Perhaps toggling fullscreen on while nothing is loaded could work similar to "launch in fullscreen"? K-Lite uses F11 as...

Then I would say lets have the button enabled always.

Highlighting is fine for repeat. Having buttons for rare special cases like play 2 times is something I would like to avoid.

Can you make a test build? If 16x16 is optional, and when external is missing, it would just fallback to built-in svg. That would be acceptable to me. I don't...

Toolbar is small (16) regardless of value on Toolbar settings page. Start with default buttons and minimal window width. Then enable all buttons in options. Buttons are then rendered behind...

Toolbar/Mouse/Keys/Logo could be moved to children of User Interface page in options. Might look a bit more organized.