Conversation from elementary/granite#295:

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@andreasfelix Definitely better than before! It still happens when I double-wheelclick on the border between two tabs, though. Do you think this is can/should be fixed within the same PR?

Originally posted by @jlnr in elementary/granite#295 (comment)

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Unfortunately I think this is a different Issue. I have highlighted the size of the GranitsWidgetsTab and logged the enter and leave events:

As one can see, the size of the GranitsWidgetsTab is slightly smaller than its visual size. This can also be seen at the event log: The signal get emitted when entering/leaving the blue highlighted area. When clicking on a Tab outside of this are, the signal gets directly passed to DynamicNotebook which leads to the restoring of the last closed tab.

I think this is related to the padding and border in the style sheet:

Maybe it could be solved by changing notebook tab to notebook tab widgets grid, so the padding is within the Gtk.EventBox.

Originally posted by @andreasfelix in elementary/granite#295 (comment)

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