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# Copyright 2024 Gentoo Authors
# Distributed under the terms of the MIT License

EAPI=8

inherit toolchain-funcs

DESCRIPTION="OLED-friendly Matrix rain screensaver for wlroots Wayland compositors"
HOMEPAGE=""
SRC_URI=""

LICENSE="MIT"
SLOT="0"
KEYWORDS="~amd64"

BDEPEND="
	dev-libs/wayland
	dev-libs/wayland-protocols
	virtual/pkgconfig
"

DEPEND="
	dev-libs/json-c:=
	dev-libs/wayland
	>=gui-wm/wayfire-0.11.0-r2:0=
	media-libs/freetype:2
	media-libs/mesa[egl(+),gles2(+)]
"

RDEPEND="
	${DEPEND}
	media-libs/fontconfig
	!gui-apps/oledsaver-cursor
"

S="${WORKDIR}/${P}"

src_unpack() {
	mkdir -p "${S}" || die
	cp "${FILESDIR}"/Makefile \
		"${FILESDIR}"/oledsaver.c \
		"${FILESDIR}"/oledsaver.conf.default \
		"${FILESDIR}"/adaptive-rendering.md \
		"${FILESDIR}"/oledsaver-cursor.cpp \
		"${FILESDIR}"/oledsaver-cursor.xml \
		"${FILESDIR}"/oledsaver-idle.cpp \
		"${FILESDIR}"/oledsaver-idle.xml \
		"${FILESDIR}"/oledsaver-sampler.cpp \
		"${FILESDIR}"/oledsaver-sampler.xml \
		"${FILESDIR}"/wlr-layer-shell-unstable-v1.xml \
		"${S}"/ || die
}

src_compile() {
	emake \
		CC="$(tc-getCC)" \
		CXX="$(tc-getCXX)" \
		CFLAGS="${CPPFLAGS} ${CFLAGS} -std=c11" \
		CXXFLAGS="${CPPFLAGS} ${CXXFLAGS} -std=c++17" \
		LDFLAGS="${LDFLAGS}" \
		PREFIX="${EPREFIX}/usr" \
		WLR_LAYER_SHELL_XML="${S}/wlr-layer-shell-unstable-v1.xml"
}

src_install() {
	emake \
		CC="$(tc-getCC)" \
		CXX="$(tc-getCXX)" \
		CFLAGS="${CPPFLAGS} ${CFLAGS} -std=c11" \
		CXXFLAGS="${CPPFLAGS} ${CXXFLAGS} -std=c++17" \
		DESTDIR="${D}" \
		LDFLAGS="${LDFLAGS}" \
		PREFIX="${EPREFIX}/usr" \
		WLR_LAYER_SHELL_XML="${S}/wlr-layer-shell-unstable-v1.xml" \
		install

	insinto /etc
	newins oledsaver.conf.default oledsaver.conf
	dodoc adaptive-rendering.md
}

pkg_postinst() {
	elog "Configuration file installed to ${EROOT}/etc/oledsaver.conf"
	elog "Set OLEDSAVER_CONFIG to use a different config file."
	elog "Without OLEDSAVER_CONFIG, per-user configs are preferred over /etc/oledsaver.conf."
	elog "Manager mode uses the Wayland output registry for outputs and Wayfire IPC for focus."
	elog "Duplicate manager starts are ignored. Stop older managers once when upgrading from <1.0.16."
	elog "Enable ipc, ipc-rules, oledsaver-idle, oledsaver-cursor and oledsaver-sampler in Wayfire."
	elog "Restart Wayfire after upgrading it and rebuilding its plugins."
	elog "Adaptive sampling and ADAPTIVE_HUE_INTERVAL are both in seconds."
	elog "When upgrading from <1.0.17, multiply your previous ADAPTIVE_HUE_INTERVAL by 60 (5 becomes 300)."
	elog "[matrix] BLACK_RAIN_TIMEOUT sets additional seconds of rain on black, then solid black; 0 disables."
	elog "Renderer mode requires wlr-layer-shell and xdg-output. Manager idle events require ext-idle-notify-v1."
}