gallery: Fix page up/down scroll #44

	name: Linux/i386
	on: [push, pull_request]

	jobs:
	check:
	runs-on: ubuntu-latest
	env:
	BUILD_PATH: /tmp/build
	INSTALL_PATH: /tmp/install

	steps:

	- name: Check out source code
	uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Get swayimg version
	run: echo "VERSION=$(git describe --tags --long --always \| sed 's/^v//;s/-/./')" >> $GITHUB_OUTPUT
	id: version

	- name: Build docker image
	run: docker build --tag=swayimg --file=.github/workflows/Dockerfile.Alpine .

	- name: Run docker container
	run: docker run --tty --detach --name=swayimg --volume=$PWD:$PWD:ro --workdir=$PWD swayimg

	- name: Configure
	run: >
	docker exec swayimg
	meson setup
	-D version=${{steps.version.outputs.VERSION}}
	-D heif=enabled
	-D bash=enabled
	-D exif=enabled
	-D gif=enabled
	-D jpeg=enabled
	-D jxl=auto
	-D svg=enabled
	-D webp=enabled
	-D man=true
	-D desktop=true
	--prefix=/usr
	--werror
	${{ env.BUILD_PATH }}

	- name: Compile and link
	run: docker exec swayimg meson compile -C ${{ env.BUILD_PATH }}

	- name: Install
	run: >
	docker exec swayimg
	env DESTDIR=${{ env.INSTALL_PATH }}
	meson install -C ${{ env.BUILD_PATH }}

	- name: Run installed
	run: docker exec swayimg ${{ env.INSTALL_PATH }}/usr/bin/swayimg --version

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