project('wayland-protocols',
	version: '1.37',
	meson_version: '>= 0.58.0',
	license: 'MIT/Expat',
)

wayland_protocols_version = meson.project_version()

fs = import('fs')

dep_scanner = dependency('wayland-scanner', version: '>=1.20.0', native: true, fallback: 'wayland')
prog_scanner = find_program(dep_scanner.get_variable(pkgconfig: 'wayland_scanner', internal: 'wayland_scanner'))

stable_protocols = {
	'presentation-time': [''],
	'viewporter': [''],
	'xdg-shell': [''],
	'linux-dmabuf': ['v1'],
	'tablet': ['v2'],
}

unstable_protocols = {
	'fullscreen-shell': ['v1'],
	'idle-inhibit': ['v1'],
	'input-method': ['v1'],
	'input-timestamps': ['v1'],
	'keyboard-shortcuts-inhibit': ['v1'],
	'linux-dmabuf': ['v1'],
	'linux-explicit-synchronization': ['v1'],
	'pointer-constraints': ['v1'],
	'pointer-gestures': ['v1'],
	'primary-selection': ['v1'],
	'relative-pointer': ['v1'],
	'tablet': ['v1', 'v2'],
	'text-input': ['v1', 'v3'],
	'xdg-decoration': ['v1'],
	'xdg-foreign': ['v1', 'v2'],
	'xdg-output': ['v1'],
	'xdg-shell': ['v5', 'v6'],
	'xwayland-keyboard-grab': ['v1'],
}

staging_protocols = {
	'content-type': ['v1'],
	'cursor-shape': ['v1'],
	'drm-lease': ['v1'],
	'ext-foreign-toplevel-list': ['v1'],
	'ext-idle-notify': ['v1'],
	'ext-image-capture-source': ['v1'],
	'ext-image-copy-capture': ['v1'],
	'ext-session-lock': ['v1'],
	'ext-transient-seat': ['v1'],
	'fractional-scale': ['v1'],
	'linux-drm-syncobj': ['v1'],
	'security-context': ['v1'],
	'single-pixel-buffer': ['v1'],
	'tearing-control': ['v1'],
	'xdg-activation': ['v1'],
	'xdg-dialog': ['v1'],
	'xdg-toplevel-drag': ['v1'],
	'xdg-toplevel-icon': ['v1'],
	'xwayland-shell': ['v1'],
	'alpha-modifier': ['v1'],
}

protocol_files = []

foreach name, versions : stable_protocols
	foreach version : versions
		if version == ''
			protocol_files += ['stable/@0@/@0@.xml'.format(name)]
		else
			protocol_files += ['stable/@0@/@0@-@1@.xml'.format(name, version)]
		endif
	endforeach
endforeach

foreach name, versions : staging_protocols
	foreach version : versions
		protocol_files += [
			'staging/@0@/@0@-@1@.xml'.format(name, version)
		]
	endforeach
endforeach

foreach name, versions : unstable_protocols
	foreach version : versions
		protocol_files += [
			'unstable/@0@/@0@-unstable-@1@.xml'.format(name, version)
		]
	endforeach
endforeach

# Check that each protocol has a README
foreach protocol_file : protocol_files
	dir = fs.parent(protocol_file)
	if not fs.is_file(dir + '/README')
		error('Missing README in @0@'.format(protocol_file))
	endif
endforeach

foreach protocol_file : protocol_files
	protocol_install_dir = fs.parent(join_paths(
		get_option('datadir'),
		'wayland-protocols',
		protocol_file,
	))
	install_data(
		protocol_file,
		install_dir: protocol_install_dir,
	)
endforeach

include_dirs = []
if dep_scanner.version().version_compare('>=1.22.90')
	subdir('include/wayland-protocols')
	include_dirs = ['include']
endif

wayland_protocols_srcdir = meson.current_source_dir()

pkgconfig_configuration = configuration_data()
pkgconfig_configuration.set('prefix', get_option('prefix'))
pkgconfig_configuration.set('datarootdir', '${prefix}/@0@'.format(get_option('datadir')))
pkgconfig_configuration.set('abs_top_srcdir', wayland_protocols_srcdir)
pkgconfig_configuration.set('PACKAGE', 'wayland-protocols')
pkgconfig_configuration.set('WAYLAND_PROTOCOLS_VERSION', wayland_protocols_version)

pkg_install_dir = join_paths(get_option('datadir'), 'pkgconfig')
configure_file(
	input: 'wayland-protocols.pc.in',
	output: 'wayland-protocols.pc',
	configuration: pkgconfig_configuration,
	install_dir: pkg_install_dir,
)

configure_file(
	input: 'wayland-protocols-uninstalled.pc.in',
	output: 'wayland-protocols-uninstalled.pc',
	configuration: pkgconfig_configuration,
)

wayland_protocols = declare_dependency(
	include_directories: include_dirs,
	variables: {
		'pkgdatadir': wayland_protocols_srcdir,
	},
)

meson.override_dependency('wayland-protocols', wayland_protocols)

if get_option('tests')
	subdir('tests')
endif

summary({
	'Headers': include_dirs.length() > 0,
}, bool_yn: true)