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#
# tkextlib/tkDND/tkdnd.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/tkDND/setup.rb'
TkPackage.require('tkdnd')
module Tk
module TkDND
def self.package_version
begin
TkPackage.require('tkdnd')
rescue
''
end
end
class DND_Subst < TkUtil::CallbackSubst
KEY_TBL = [
[ ?a, ?l, :actions ],
[ ?A, ?s, :action ],
[ ?b, ?L, :codes ],
[ ?c, ?s, :code ],
[ ?d, ?l, :descriptions ],
[ ?D, ?l, :data ],
[ ?L, ?l, :source_types ],
[ ?m, ?l, :modifiers ],
[ ?t, ?l, :types ],
[ ?T, ?s, :type ],
[ ?W, ?w, :widget ],
[ ?x, ?n, :x ],
[ ?X, ?n, :x_root ],
[ ?y, ?n, :y ],
[ ?Y, ?n, :y_root ],
nil
]
PROC_TBL = [
[ ?n, TkComm.method(:num_or_str) ],
[ ?s, TkComm.method(:string) ],
[ ?l, TkComm.method(:list) ],
[ ?L, TkComm.method(:simplelist) ],
[ ?w, TkComm.method(:window) ],
nil
]
# setup tables
_setup_subst_table(KEY_TBL, PROC_TBL);
end
module DND
def self.version
begin
TkPackage.require('tkdnd')
rescue
''
end
end
def dnd_bindtarget_info(type=nil, event=nil)
if event
procedure(tk_call('dnd', 'bindtarget', @path, type, event))
elsif type
procedure(tk_call('dnd', 'bindtarget', @path, type))
else
simplelist(tk_call('dnd', 'bindtarget', @path))
end
end
def dnd_bindtarget(type, event, cmd=Proc.new, prior=50, *args)
event = tk_event_sequence(event)
if prior.kind_of?(Numeric)
tk_call('dnd', 'bindtarget', @path, type, event,
install_bind_for_event_class(DND_Subst, cmd, *args),
prior)
else
tk_call('dnd', 'bindtarget', @path, type, event,
install_bind_for_event_class(DND_Subst, cmd, prior, *args))
end
self
end
def dnd_cleartarget
tk_call('dnd', 'cleartarget', @path)
self
end
def dnd_bindsource_info(type=nil)
if type
procedure(tk_call('dnd', 'bindsource', @path, type))
else
simplelist(tk_call('dnd', 'bindsource', @path))
end
end
def dnd_bindsource(type, cmd=Proc.new, prior=None)
tk_call('dnd', 'bindsource', @path, type, cmd, prior)
self
end
def dnd_clearsource()
tk_call('dnd', 'clearsource', @path)
self
end
def dnd_drag(keys=nil)
tk_call('dnd', 'drag', @path, *hash_kv(keys))
self
end
end
end
end
class TkWindow
include Tk::TkDND::DND
end
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