core, wl: Factor out view fullscreening #728

	---
	name: Code Style
	on:
	pull_request:
	branches:
	- master
	- 'cog-*'

	jobs:
	check:
	runs-on: ubuntu-20.04
	steps:
	- name: Checkout Head
	uses: actions/checkout@v3
	- name: Fetch Git History
	run: \|
	git fetch --no-tags --prune --depth=1 \
	origin +refs/heads/master:refs/remotes/origin/master
	- name: Install Tools
	run: \|
	curl -sL https://apt.llvm.org/llvm-snapshot.gpg.key \| \
	sudo apt-key add -
	sudo add-apt-repository \
	'deb http://apt.llvm.org/focal/ llvm-toolchain-focal-13 main'
	sudo apt update
	sudo apt install -y clang-format-13 diffutils
	- name: Check
	run: \|
	data/check-style -ocode-style.diff origin/master
	- name: Archive Diff
	uses: actions/upload-artifact@v3
	if: failure()
	with:
	name: diff
	path: code-style.diff

Provide feedback