Module: Tk::Cget

Included in:
Button, Canvas, CheckButton, Entry, Frame, Label, LabelFrame, Listbox, Menu, MenuButton, Message, PanedWindow, RadioButton, Scale, Scrollbar, Spinbox, Text, Tile::ComboBox, Tile::Progressbar, Tile::Separator, Tile::Sizegrip, Tile::Style, Tile::Treeview, Toplevel
Defined in:
lib/ffi-tk/command/cget.rb

Constant Summary collapse

CGET_MAP = 
{}

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.option_hash_to_tcl(hash) ⇒ Object 



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# File 'lib/ffi-tk/command/cget.rb', line 83

def option_hash_to_tcl(hash)
  result = {}

  hash.each do |key, value|
    case type = CGET_MAP[option = key.to_tcl_option]
    when :command
      command = register_command(key, &value)
      result[option] = command
    else
      result[option] = value
    end
  end

  result
end

.option_to_ruby(name, value) ⇒ Object 



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# File 'lib/ffi-tk/command/cget.rb', line 42

def option_to_ruby(name, value)
  if type = CGET_MAP[name.to_tcl_option]
    type_to_ruby(type, value)
  else
    raise 'Unknown type for %p: %p' % [name, value]
  end
end

.type_to_ruby(type, value) ⇒ Object 



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# File 'lib/ffi-tk/command/cget.rb', line 50

def type_to_ruby(type, value)
  case type
  when :integer
    value.respond_to?(:to_i?) ? value.to_i? : value.to_i
  when :symbol
    value&.to_sym
  when :boolean
    Tk.boolean(value)
  when :color, :string, :font, :bitmap
    value.respond_to?(:to_s?) ? value.to_s? : value
  when :variable
    Variable.new(value.to_s?) if value.respond_to?(:to_s?)
  when :list
    case value
    when Array
      value
    when String
      value.split
    else
      value.to_a
    end
  when :float
    value.to_f
  when :pathname
    Tk.pathname_to_widget(value.to_s)
  when :command
    string = value.to_s
    string unless string.empty?
  else
    raise 'Unknown type: %p: %p' % [type, value]
  end
end

Instance Method Details

#cget(option) ⇒ Object 



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# File 'lib/ffi-tk/command/cget.rb', line 35

def cget(option)
  option = option.to_tcl_option
  Cget.option_to_ruby(option, execute('cget', option))
end