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Luca Bacci authored
In gdkdevice-win32.c we are interested in knowing which window receives mouse input at a specific location. Only WindowFromPoint is the right API for the task, other API's (such as (Real)ChildWindowFromPoint(Ex)) have shortcomings because they are really designed for other purposes. For example, only WindowFromPoint is able to look through transparent layered windows. So even if we want to find a direct child we have to use WindowFromPoint and then walk up the hierarchy. Fixes: #370, #417 See: !2767