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# frozen_string_literal: false
#
# tk/textimage.rb - treat Tk text image object
#
require 'tk'
require 'tk/text'
class TkTextImage<TkObject
include Tk::Text::IndexModMethods
def initialize(parent, index, keys)
#unless parent.kind_of?(Tk::Text)
# fail ArgumentError, "expect Tk::Text for 1st argument"
#end
@t = parent
if index == 'end' || index == :end
@path = TkTextMark.new(@t, tk_call(@t.path, 'index', 'end - 1 chars'))
elsif index.kind_of? TkTextMark
if tk_call_without_enc(@t.path,'index',index.path) == tk_call_without_enc(@t.path,'index','end')
@path = TkTextMark.new(@t, tk_call_without_enc(@t.path, 'index',
'end - 1 chars'))
else
@path = TkTextMark.new(@t, tk_call_without_enc(@t.path, 'index',
index.path))
end
else
@path = TkTextMark.new(@t, tk_call_without_enc(@t.path, 'index',
_get_eval_enc_str(index)))
end
@path.gravity = 'left'
@index = @path.path
@id = tk_call_without_enc(@t.path, 'image', 'create', @index,
*hash_kv(keys, true)).freeze
@path.gravity = 'right'
end
def id
Tk::Text::IndexString.new(@id)
end
def mark
@path
end
def [](slot)
cget(slot)
end
def []=(slot, value)
configure(slot, value)
value
end
def cget(slot)
@t.image_cget(@index, slot)
end
def cget_strict(slot)
@t.image_cget_strict(@index, slot)
end
def configure(slot, value=None)
@t.image_configure(@index, slot, value)
self
end
# def configure(slot, value)
# tk_call @t.path, 'image', 'configure', @index, "-#{slot}", value
# end
def configinfo(slot = nil)
@t.image_configinfo(@index, slot)
end
def current_configinfo(slot = nil)
@t.current_image_configinfo(@index, slot)
end
def image
img = tk_call_without_enc(@t.path, 'image', 'cget', @index, '-image')
TkImage::Tk_IMGTBL[img]? TkImage::Tk_IMGTBL[img] : img
end
def image=(value)
tk_call_without_enc(@t.path, 'image', 'configure', @index, '-image',
_get_eval_enc_str(value))
#self
value
end
end
TktImage = TkTextImage
|
