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#
# tkextlib/ICONS/icons.rb
# by Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)
#
require 'tk'
# call setup script for general 'tkextlib' libraries
require 'tkextlib/setup.rb'
# call setup script
require 'tkextlib/ICONS/setup.rb'
# TkPackage.require('icons', '1.0')
TkPackage.require('icons')
module Tk
class ICONS < TkImage
extend Tk
PACKAGE_NAME = 'icons'.freeze
def self.package_name
PACKAGE_NAME
end
def self.package_version
begin
TkPackage.require('icons')
rescue
''
end
end
def self.create(*args) # icon, icon, ..., ?option=>value, ...?
if args[-1].kind_of?(Hash)
keys = args.pop
icons = simplelist(tk_call('::icons::icons', 'create',
*(hash_kv(keys) << (args.flatten))))
else
icons = simplelist(tk_call('::icons::icons', 'create',
args.flatten))
end
icons.collect{|icon| self.new(icon, :without_creating=>true)}
end
def self.delete(*icons) # icon, icon, ...
icons = icons.flatten
return if icons.empty?
icons.map!{|icon|
if icon.kind_of?(Tk::ICONS)
Tk_IMGTBL.delete(icon.path)
icon.name
elsif icon.to_s =~ /^::icon::(.*)/
name = $1
Tk_IMGTBL.delete(icon)
name
else
Tk_IMGTBL.delete("::icon::#{icon}")
icon
end
}
tk_call('::icons::icons', 'delete', icons)
end
def self.query(*args) # icon, icon, ..., ?option=>value, ...?
if args[-1].kind_of?(Hash)
keys = args.pop
simplelist(tk_call('::icons::icons', 'query',
*(hash_kv(keys) << (args.flatten))))
else
simplelist(tk_call('::icons::icons', 'query', args.flatten))
end . map{|inf| list(inf) }
end
##########################################
class << self
alias _new new
def new(name, keys=nil)
if obj = Tk_IMGTBL["::icon::#{name}"]
if keys
keys = _symbolkey2str(keys)
unless keys.delete('without_creating')
tk_call('::icons::icons', 'create', *(hash_kv(keys) << obj.name))
end
end
else
obj = _new(name, keys)
end
obj
end
end
##########################################
def initialize(name, keys=nil)
if name.kind_of?(String) && name =~ /^::icon::(.+)$/
@name = $1
@path = name
else
@name = name.to_s
@path = "::icon::#{@name}"
end
keys = _symbolkey2str(keys)
unless keys.delete('without_creating')
tk_call('::icons::icons', 'create', *(hash_kv(keys) << @name))
end
Tk_IMGTBL[@path] = self
end
def name
@name
end
def delete
Tk_IMGTBL.delete(@path)
tk_call('::icons::icons', 'delete', @name)
self
end
def query(keys={})
list(simplelist(tk_call('::icons::icons', 'query',
*(hash_kv(keys) << @name))
)[0])
end
end
end
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