Don't enable relative mouse mode if in touchscreen mode #14118
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Resolves issue no. 2 described in minetest/irrlicht#262.
With
CIrrDeviceSDLon Linux and Windows, enabling relative mouse mode somehow results in simulated mouse events being generated from touch events, althoughSDL_HINT_MOUSE_TOUCH_EVENTSandSDL_HINT_TOUCH_MOUSE_EVENTSare set to 0. Since Minetest has its own code to synthesize mouse events from touch events, this results in duplicated input. To avoid that, we don't enable relative mouse mode if we're in touchscreen mode.To do
This PR is a Ready for Review.
How to test
Compile Minetest with
ENABLE_TOUCH=TRUEandUSE_SDL2=TRUE. See that you don't start digging just because you are touching the on-screen sneak button.Verify that there are no crashes on Android because
getCursorControlreturns null.