# Copyright 1999-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

# Original author:  Rob Cakebread <pythonhead@gentoo.org>
# Rewritten by:     Ryan Hill <dirtyepic@gentoo.org>
#
# Currently maintained by the wxWidgets team <wxwindows@gentoo.org>

# This eclass provides easy access to Gentoo's wxWidgets framework for
# usage by your packages.

inherit eutils flag-o-matic

need-wxwidgets() {

	local wxtoolkit wxsuffix wxconfig

	# TODO: sanity checking here

	append-flags -fno-strict-aliasing

	# wx-config naming logic:
	#	wx{base|gtk2}[u][d]-${WX_GTK_VER}-config

	# DEBUG
	echo
	eerror "need-wxwidgets:         ${1}"
	echo

	case "$1" in
		ansi)
			check_wxuse X
			wxsuffix=""
		;;
		ansi-debug)
			check_wxuse X
			check_wxuse debug
			wxsuffix="d"
		;;
		unicode)
			check_wxuse X
			check_wxuse unicode
			wxsuffix="u"
		;;
		unicode-debug)
			check_wxuse X
			check_wxuse unicode
			check_wxuse debug
			wxsuffix="ud"
		;;
		base-ansi)
			wxsuffix=""
		;;
		base-ansi-debug)
			check_wxuse debug
			wxsuffix="d"
		;;
		base-unicode)
			check_wxuse unicode
			wxsuffix="u"
		;;
		base-unicode-debug)
			check_wxuse unicode
			check_wxuse debug
			wxsuffix="ud"
		;;

		# backwards compat
		gtk2)
			check_wxuse X
			wxsuffix=""
		;;
		base)
			wxsuffix=""
		;;

		*)
			echo
			eerror "${FUNCNAME} - called with an invalid argument: $1"
			eerror "See wxwidgets.eclass for a list of valid values."
			die "Invalid ${FUNCNAME} argument."
		;;
	esac

	wxconfig_prefix="/usr/bin"

	if $(built_with_use =x11-libs/wxGTK-${WX_GTK_VER}* X); then
		wxtoolkit="gtk2"
	else
		wxtoolkit="base"
	fi

	wxconfig_name="wx${wxtoolkit}${wxsuffix}-${WX_GTK_VER}-config"
	wxconfig="${wxconfig_prefix}/${wxconfig_name}"

	# export handy vars that can be used in ebuilds
	# some packages also count on one or more of these to be set
	export WXCONFIG="${wxconfig}"
	export WX_CONFIG="${wxconfig}"
	export WX_CONFIG_NAME="${wxconfig_name}"
	export WXBASE_CONFIG_NAME="${wxconfig_name}"

	echo
	ewarn "Requested:              ${1}"
	ewarn "Using:                  ${wxconfig}"
	echo
}

check_wxuse() {
	ebegin "Checking wxGTK-${WX_GTK_VER} for ${1} support"
	if $(built_with_use =x11-libs/wxGTK-${WX_GTK_VER}* ${1}); then
		eend 0
	else
		eend 1
		echo
		eerror "${FUNCNAME} - You have requested functionality that requires ${1} support to"
		eerror "have been built into x11-libs/wxGTK."
		eerror
		eerror "Please re-merge =x11-libs/wxGTK-${WX_GTK_VER}* with the ${1} USE flag enabled."
		die "Missing USE flags."
	fi
}