/usr/lib/ruby/1.9.1/tkextlib/blt.rb is in libtcltk-ruby1.9.1 1.9.3.484-2ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# BLT support
# by Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)
#
require 'tk'
require 'tk/variable'
# call setup script for general 'tkextlib' libraries
require 'tkextlib/setup.rb'
# call setup script
require 'tkextlib/blt/setup.rb'
# load all image format handlers
#TkPackage.require('BLT', '2.4')
TkPackage.require('BLT')
module Tk
module BLT
TkComm::TkExtlibAutoloadModule.unshift(self)
# Require autoload-symbols which is a same name as widget classname.
# Those are used at TkComm._genobj_for_tkwidget method.
extend TkCore
VERSION = tk_call('set', 'blt_version')
PATCH_LEVEL = tk_call('set', 'blt_patchLevel')
begin
lib = TkCore::INTERP._invoke('set', 'blt_library')
rescue
lib = ''
end
LIBRARY = TkVarAccess.new('blt_library', lib)
begin
lib = TkCore::INTERP._invoke('set', 'blt_libPath')
rescue
lib = ''
end
LIB_PATH = TkVarAccess.new('blt_libPath', lib)
PACKAGE_NAME = 'BLT'.freeze
def self.package_name
PACKAGE_NAME
end
def self.package_version
begin
TkPackage.require('BLT')
rescue
''
end
end
####################################################
def self.beep(percent = 50)
tk_call('::blt::beep', percent)
end
def self.bgexec(*args)
if args[0].kind_of?(TkVariable)
var = args.shift
else
var = TkVariable.new
end
params = [var]
params.concat(hash_kv(args.shift, true)) if args[0].kind_of?(Hash)
params << '--' if args[0] =~ /^\s*-[^-]/
params.concat(args)
tk_call('::blt::bgexec', *params)
var
end
def self.detach_bgexec(*args)
if args[0].kind_of?(TkVariable)
var = args.shift
else
var = TkVariable.new
end
params = [var]
params.concat(hash_kv(args.shift, true)) if args[0].kind_of?(Hash)
params << '--' if args[0] =~ /^\s*-[^-]/
params.concat(args)
params << '&'
[var, tk_split_list(tk_call('::blt::bgexec', *params))]
end
def self.bltdebug(lvl = nil)
if lvl
tk_call('::blt::bltdebug', lvl)
else
number(tk_call('::blt::bltdebug'))
end
end
def self.crc32_file(name)
tk_call_without_enc('::blt::crc32', name)
end
def self.crc32_data(dat)
tk_call_without_enc('::blt::crc32', '-data', dat)
end
####################################################
def self.active_legend(graph)
tk_call_without_enc('Blt_ActiveLegend', graph)
end
def self.crosshairs(graph)
tk_call_without_enc('Blt_Crosshairs', graph)
end
def self.zoom_stack(graph)
tk_call_without_enc('Blt_ZoomStack', graph)
end
def self.print_key(graph)
tk_call_without_enc('Blt_PrintKey', graph)
end
def self.closest_point(graph)
tk_call_without_enc('Blt_ClosestPoint', graph)
end
module GraphCommand
def active_legend
tk_call_without_enc('Blt_ActiveLegend', @path)
self
end
def crosshairs
tk_call_without_enc('Blt_Crosshairs', @path)
self
end
def zoom_stack
tk_call_without_enc('Blt_ZoomStack', @path)
self
end
def print_key
tk_call_without_enc('Blt_PrintKey', @path)
self
end
def closest_point
tk_call_without_enc('Blt_ClosestPoint', @path)
self
end
end
####################################################
autoload :PlotComponent,'tkextlib/blt/component.rb'
autoload :Barchart, 'tkextlib/blt/barchart.rb'
autoload :Bitmap, 'tkextlib/blt/bitmap.rb'
autoload :Busy, 'tkextlib/blt/busy.rb'
autoload :Container, 'tkextlib/blt/container.rb'
autoload :CutBuffer, 'tkextlib/blt/cutbuffer.rb'
autoload :DragDrop, 'tkextlib/blt/dragdrop.rb'
autoload :EPS, 'tkextlib/blt/eps.rb'
autoload :Htext, 'tkextlib/blt/htext.rb'
autoload :Graph, 'tkextlib/blt/graph.rb'
autoload :Spline, 'tkextlib/blt/spline.rb'
autoload :Stripchart, 'tkextlib/blt/stripchart.rb'
autoload :Table, 'tkextlib/blt/table.rb'
autoload :Tabnotebook, 'tkextlib/blt/tabnotebook.rb'
autoload :Tabset, 'tkextlib/blt/tabset.rb'
autoload :Ted, 'tkextlib/blt/ted.rb'
autoload :Tile, 'tkextlib/blt/tile.rb'
autoload :Tree, 'tkextlib/blt/tree.rb'
autoload :TreeView, 'tkextlib/blt/treeview.rb'
autoload :Hiertable, 'tkextlib/blt/treeview.rb'
# Hierbox is obsolete
autoload :Vector, 'tkextlib/blt/vector.rb'
autoload :VectorAccess, 'tkextlib/blt/vector.rb'
autoload :Watch, 'tkextlib/blt/watch.rb'
autoload :Winop, 'tkextlib/blt/winop.rb'
autoload :WinOp, 'tkextlib/blt/winop.rb'
# Unix only
autoload :DnD, 'tkextlib/blt/unix_dnd.rb'
# Windows only
autoload :Printer, 'tkextlib/blt/win_printer.rb'
end
end
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