Fix Wheelevent->position compile issue Ubuntu 20.04 #149

	name: Koviz Testing Actions

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	jobs:
	build-ubuntu:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@master
	- name: install dependencies
	run: sudo apt-get update && sudo apt-get install qtbase5-dev qtchooser qt5-qmake qtbase5-dev-tools
	- name: qmake
	run: qmake
	- name: make
	run: make -j3
	- name: koviz -h
	run: ./bin/koviz -h

	build-centos8:
	runs-on: ubuntu-latest
	container: centos:latest
	steps:
	- uses: actions/checkout@master
	- name: install dependencies
	run: \|
	sed -i 's/mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-Linux-*
	sed -i 's\|#baseurl=http://mirror.centos.org\|baseurl=http://vault.centos.org\|g' /etc/yum.repos.d/CentOS-Linux-*
	dnf install -y qt5-qtbase-devel bison flex make gcc gcc-c++
	- name: qmake
	run: qmake-qt5
	- name: make
	run: make -j3
	- name: koviz -h
	run: ./bin/koviz -h

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