Add SDL Window text input methods #1234

Job	Run time
mypy	30s
sdist	3m 10s
ruff	8s
parse_sdl (windows-latest, 3.2.16)	31s
parse_sdl (macos-latest, 3.2.16)	21s
tox (ubuntu-latest)	3m 35s
test-docs	7m 21s
build (ubuntu-latest, 3.10, x64)	5m 7s
build (ubuntu-latest, pypy-3.10, x64)	6m 16s
build (windows-latest, 3.10, x64)	2m 40s
build (windows-latest, pypy-3.10, x86)	3m 23s
build (windows-latest, pypy-3.10, x64)	3m 36s
pyodide	4m 59s
build (windows-latest, 3.10, x86)	3m 54s
linux-wheels (x86_64, pp310-manylinux*)	3m 24s
linux-wheels (aarch64, pp310-manylinux*)	3m 40s
linux-wheels (aarch64, cp310-manylinux*)	4m 10s
build-macos (pp310-*)	4m 14s
build-macos (cp310-*_universal2)	1m 50s
linux-wheels (x86_64, cp310-manylinux*)	4m 4s
publish	0s
	1h 6m 53s

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