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# Copyright (C) 2012-2015 Ruby-GNOME2 Project Team
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
require "gobject-introspection"
require "cairo-gobject"
require "pango"
base_dir = Pathname.new(__FILE__).dirname.dirname.expand_path
vendor_dir = base_dir + "vendor" + "local"
vendor_bin_dir = vendor_dir + "bin"
GLib.prepend_dll_path(vendor_bin_dir)
vendor_girepository_dir = vendor_dir + "lib" + "girepository-1.0"
GObjectIntrospection.prepend_typelib_path(vendor_girepository_dir)
if vendor_dir.exist?
require "atk"
require "gdk_pixbuf2"
end
module Clutter
LOG_DOMAIN = "Clutter"
GLib::Log.set_log_domain(LOG_DOMAIN)
class << self
def const_missing(name)
init()
if const_defined?(name)
const_get(name)
else
super
end
end
@@init_hooks = []
def init(argv=[])
class << self
remove_method(:init)
remove_method(:const_missing)
end
loader = Loader.new(self, argv)
loader.load
require "clutter/actor"
require "clutter/actor-iter"
require "clutter/animatable"
require "clutter/brightness-contrast-effect"
require "clutter/cairo"
require "clutter/clutter"
require "clutter/color"
require "clutter/event"
require "clutter/point"
require "clutter/text"
require "clutter/text-buffer"
require "clutter/threads"
require "clutter/version"
@@init_hooks.each do |hook|
hook.call
end
end
def on_init(&block)
@@init_hooks << block
end
end
class InitError < StandardError
end
class Loader < GObjectIntrospection::Loader
NAMESPACE = "Clutter"
def initialize(base_module, init_arguments)
super(base_module)
@init_arguments = init_arguments
@key_constants = {}
@other_constant_infos = []
@event_infos = []
end
def load
super(NAMESPACE)
end
private
def pre_load(repository, namespace)
init = repository.find(namespace, "init")
arguments = [
[$0] + @init_arguments,
]
error, returned_arguments = init.invoke(arguments)
@init_arguments.replace(returned_arguments[1..-1])
if error.to_i <= 0
raise InitError, "failed to initialize Clutter: #{error.name}"
end
@keys_module = Module.new
@base_module.const_set("Keys", @keys_module)
@threads_module = Module.new
@base_module.const_set("Threads", @threads_module)
@feature_module = Module.new
@base_module.const_set("Feature", @feature_module)
@version_module = Module.new
@base_module.const_set("Version", @version_module)
end
def post_load(repository, namespace)
@other_constant_infos.each do |constant_info|
name = constant_info.name
next if @key_constants.has_key?("KEY_#{name}")
@base_module.const_set(name, constant_info.value)
end
load_events
end
def load_events
@event_infos.each do |event_info|
define_struct(event_info, :parent => Event)
end
event_map = {
EventType::KEY_PRESS => KeyEvent,
EventType::KEY_RELEASE => KeyEvent,
EventType::MOTION => MotionEvent,
EventType::ENTER => CrossingEvent,
EventType::LEAVE => CrossingEvent,
EventType::BUTTON_PRESS => ButtonEvent,
EventType::BUTTON_RELEASE => ButtonEvent,
EventType::SCROLL => ScrollEvent,
EventType::STAGE_STATE => StageStateEvent,
EventType::TOUCH_UPDATE => TouchEvent,
EventType::TOUCH_END => TouchEvent,
EventType::TOUCH_CANCEL => TouchEvent,
}
self.class.register_boxed_class_converter(Event.gtype) do |event|
event_map[event.type] || Event
end
end
def load_struct_info(info)
if info.name.end_with?("Event")
@event_infos << info
else
super
end
end
def load_function_info(info)
name = info.name
case name
when "init"
# ignore
when /\Athreads_/
define_module_function(@threads_module, $POSTMATCH, info)
when /\Afeature_/
method_name = rubyish_method_name(info, :prefix => "feature_")
case method_name
when "available"
method_name = "#{method_name}?"
end
define_module_function(@feature_module, method_name, info)
else
super
end
end
def load_constant_info(info)
case info.name
when /\AKEY_/
@key_constants[info.name] = true
@keys_module.const_set(info.name, info.value)
when /_VERSION\z/
@version_module.const_set($PREMATCH, info.value)
else
@other_constant_infos << info
end
end
end
end
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