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Contents
# Copyright (C) 2006-2015 Kouhei Sutou <kou@cozmixng.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
module Rabbit
class CursorManager
@@cursors = nil
class << self
def cursors
@@cursors ||= {
:blank => Gdk::Cursor.new(:blank_cursor),
:pencil => Gdk::Cursor.new(:pencil),
:hand => Gdk::Cursor.new(:hand1),
}
end
end
attr_accessor :current
def initialize
@stocks = {}
@current = nil
end
def keep(name)
@stocks[name] ||= []
@stocks[name].push(@current)
end
def restore(drawable, name)
if name.nil?
type = @current
else
type = @stocks[name].pop
end
drawable.cursor = type_to_cursor(type)
end
def update(drawable, type)
drawable.cursor = type_to_cursor(type)
end
private
def type_to_cursor(type)
if type.nil?
nil
else
cursor = self.class.cursors[type]
if cursor.nil?
raise UnknownCursorTypeError.new(type)
end
cursor
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems