Fix lags in right-click scrolling for SDL2 #1794
Merged
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Avoid reporting duplicate mouse move events in SDL2
When warping the mouse a new event will be recorded with the SDL2
backend which might lead to handling that event multiple times.
For the right-click scrolling this leads to a potential infinite loop of
zero-sized movements.
Added an option to change the smart cursor setting in the ingame option window to test it which requires a tooltip for the checkbox due to the limited width.
Windowclass