move MainWindow and Screen stuff to separate files; WIP #1985

	name: CMake Build (Ubuntu aarch64)

	on:
	push:
	branches:
	- master
	pull_request:
	branches:
	- master

	env:
	BUILD_TYPE: Release

	jobs:
	build:
	runs-on: ubuntu-20.04
	container: ubuntu:20.04

	steps:
	- name: Prepare system
	shell: bash
	run: \|
	apt update
	apt -y full-upgrade
	apt -y install git
	- name: Check out source
	uses: actions/checkout@v1
	- name: Install dependencies
	shell: bash
	run: \|
	dpkg --add-architecture arm64
	sh -c "sed \"s\|^deb $[a-z\.:/]$ $[a-z\-]$ $.*$$\|deb [arch=amd64] \1 \2 \3\ndeb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports \2 \3\|\" /etc/apt/sources.list > /etc/apt/sources.list.new"
	rm /etc/apt/sources.list
	mv /etc/apt/sources.list{.new,}
	apt update
	DEBIAN_FRONTEND=noninteractive apt install -y {gcc-10,g++-10,pkg-config}-aarch64-linux-gnu {libsdl2,qtbase5,qtbase5-private,qtmultimedia5,libslirp,libarchive,libzstd}-dev:arm64 zstd:arm64 cmake extra-cmake-modules dpkg-dev
	- name: Configure
	shell: bash
	run: \|
	CC=aarch64-linux-gnu-gcc-10 CXX=aarch64-linux-gnu-g++-10 cmake -DPKG_CONFIG_EXECUTABLE=/usr/bin/aarch64-linux-gnu-pkg-config $GITHUB_WORKSPACE -DCMAKE_BUILD_TYPE=$BUILD_TYPE -B build
	- name: Make
	shell: bash
	run: \|
	cmake --build build -j$(nproc --all)
	mkdir dist
	cp build/melonDS dist
	- uses: actions/upload-artifact@v1
	with:
	name: melonDS-ubuntu-aarch64
	path: dist

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