Implemented hovered state / use window events instead of global functions to query mouse state #343

Job	Run time
clang-format	15s
Windows MSVC Shared Release	1m 59s
Windows MSVC Shared Debug	2m 31s
Windows MSVC Static Release	2m 22s
Windows MSVC Static Debug	2m 40s
Windows ClangCL Shared Release	3m 28s
Windows ClangCL Shared Debug	1m 46s
Windows ClangCL Static Release	4m 12s
Windows ClangCL Static Debug	4m 45s
Windows Clang Shared Release	2m 9s
Windows Clang Shared Debug	3m 24s
Windows Clang Static Release	2m 46s
Windows Clang Static Debug	2m 43s
Linux GCC Shared Release	1m 13s
Linux GCC Shared Debug	55s
Linux GCC Static Release	1m 39s
Linux GCC Static Debug	55s
Linux Clang Shared Release	1m 18s
Linux Clang Shared Debug	41s
Linux Clang Static Release	1m 56s
Linux Clang Static Debug	1m 5s
macOS Clang Shared Release	1m 18s
macOS Clang Shared Debug	1m 11s
macOS Clang Static Release	1m 21s
macOS Clang Static Debug	42s
	49m 14s

Provide feedback