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|
#
# tkextlib/blt/watch.rb
# by Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)
#
require 'tk'
require 'tkextlib/blt.rb'
module Tk::BLT
class Watch < TkObject
extend TkCore
TkCommandNames = ['::blt::watch'.freeze].freeze
WATCH_ID_TBL = TkCore::INTERP.create_table
(BLT_WATCH_ID = ['blt_watch_id'.freeze, TkUtil.untrust('00000')]).instance_eval{
@mutex = Mutex.new
def mutex; @mutex; end
freeze
}
TkCore::INTERP.init_ip_env{
WATCH_ID_TBL.mutex.synchronize{ WATCH_ID_TBL.clear }
}
def self.names(state = None)
lst = tk_split_list(tk_call('::blt::watch', 'names', state))
WATCH_ID_TBL.mutex.synchronize{
lst.collect{|name|
WATCH_ID_TBL[name] || name
}
}
end
def __numval_optkeys
['maxlevel']
end
private :__numval_optkeys
def __boolval_optkeys
['active']
end
private :__boolval_optkeys
def __config_cmd
['::blt::watch', 'configure', self.path]
end
private :__config_cmd
def initialize(name = nil, keys = {})
if name.kind_of?(Hash)
keys = name
name = nil
end
if name
@id = name.to_s
else
BLT_WATCH_ID.mutex.synchronize{
@id = BLT_WATCH_ID.join(TkCore::INTERP._ip_id_)
BLT_WATCH_ID[1].succ!
}
end
@path = @id
WATCH_ID_TBL.mutex.synchronize{
WATCH_ID_TBL[@id] = self
}
tk_call('::blt::watch', 'create', @id, *hash_kv(keys))
end
def activate
tk_call('::blt::watch', 'activate', @id)
self
end
def deactivate
tk_call('::blt::watch', 'deactivate', @id)
self
end
def delete
tk_call('::blt::watch', 'delete', @id)
self
end
def info
ret = []
lst = tk_split_simplelist(tk_call('::blt::watch', 'info', @id))
until lst.empty?
k, v, *lst = lst
k = k[1..-1]
case k
when /^(#{__strval_optkeys.join('|')})$/
# do nothing
when /^(#{__numval_optkeys.join('|')})$/
begin
v = number(v)
rescue
v = nil
end
when /^(#{__numstrval_optkeys.join('|')})$/
v = num_or_str(v)
when /^(#{__boolval_optkeys.join('|')})$/
begin
v = bool(v)
rescue
v = nil
end
when /^(#{__listval_optkeys.join('|')})$/
v = simplelist(v)
when /^(#{__numlistval_optkeys.join('|')})$/
v = list(v)
else
if v.index('{')
v = tk_split_list(v)
else
v = tk_tcl2ruby(v)
end
end
ret << [k, v]
end
ret
end
def configinfo(slot = nil)
if slot
slot = slot.to_s
v = cget(slot)
if TkComm::GET_CONFIGINFO_AS_ARRAY
[slot, v]
else
{slot=>v}
end
else
if TkComm::GET_CONFIGINFO_AS_ARRAY
info
else
Hash[*(info.flatten)]
end
end
end
def cget_strict(key)
key = key.to_s
begin
info.assoc(key)[1]
rescue
fail ArgumentError, "unknown option '#{key}'"
end
end
def cget(key)
unless TkConfigMethod.__IGNORE_UNKNOWN_CONFIGURE_OPTION__
cget_strict(key)
else
begin
cget_strict(key)
rescue => e
if current_configinfo.has_key?(key.to_s)
# error on known option
fail e
else
# unknown option
nil
end
end
end
end
end
end
|
