Class: GtkApp::View

Inherits:
Gtk::Builder
  • Object
show all
Includes:
Helpers, ViewHelpers
Defined in:
lib/gtk_app/view.rb

Direct Known Subclasses

Partial

Instance Method Summary collapse

Methods included from ViewHelpers

#build_listview, #desensitize, #sensitize

Methods included from Helpers

#log

Constructor Details

#initialize(controller, builder_file, *args) ⇒ View

Returns a new instance of View.

Parameters:



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# File 'lib/gtk_app/view.rb', line 8

def initialize(controller, builder_file, *args)
  super()
  # options = args.extract_options!
  self.add_from_file(builder_file)
  self.connect_signals { |handler| controller.method(handler) }

  # self.title = options[:title] if options.key?(:title)
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(id, *args, &block) ⇒ Object 



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# File 'lib/gtk_app/view.rb', line 17

def method_missing(id, *args, &block)
  method_name = id.to_s

  widget_name = (method_name =~ /([!=]|<{2})$/ ? method_name.chop : method_name)
  widget = self["#{widget_name}"]
  super unless widget

  bang_proc, equal_proc, append_proc = case widget
  when Gtk::TextView then
    [ lambda { widget.buffer.text },
      lambda { |*argv| widget.buffer.text = argv[0].to_s },
      lambda { |text| widget.buffer.text << text.to_s } ]
  when Gtk::ComboBox then
    [ lambda { widget.active_text },
      lambda do |*argv|
        if argv[0].is_a?(Fixnum)
          widget.active = argv[0]
        elsif widget.model
          result = nil
          widget.model.each do |m, p, i|
            result = iter if iter[0] =~ /\A#{argv[0]}/i
          end
          widget.active_iter = result if result
        end
      end,
      lambda { |text| widget.append_text(text.to_s) } ]
  when Gtk::ToggleButton, Gtk::CheckButton then
    [ lambda { widget.active? },
      lambda { |*argv| widget.active = argv[0] },
      nil ]
  when Gtk::TreeView then
    [ lambda { widget.selection.selected },
      nil,
      lambda do |row|
        iter = widget.model.append
        if row.is_a?(Gtk::TreeIter)
          (0..model.n_columns).each { |i| iter[i] = row[i] }
        else
          row.each_with_index { |v,i| iter[i] = v }
        end
        iter
      end ]
  else
    if widget.respond_to?(:text)
      [ lambda { widget.text },
        lambda { |*argv| widget.text = argv[0].to_s },
        lambda { |text| widget.text = ("#{widget.text}" << text) } ]
    else [nil, nil, nil]; end
  end

  class_eval do
    define_method(:"#{widget_name}", lambda { widget })
    define_method(:"#{widget_name}!", bang_proc) if bang_proc
    define_method(:"#{widget_name}=", equal_proc) if equal_proc
  end

  widget.class_eval do
    define_method("<<", append_proc)
  end if append_proc

  send(:"#{method_name}", *args, &block)
end