Class: Smartdict::Gui::WordList

Inherits:
Gtk::TreeView
  • Object
show all
Defined in:
lib/smartdict/gui/word_list.rb

Defined Under Namespace

Classes: ListColumn

Instance Method Summary collapse

Constructor Details

#initialize(controller) ⇒ WordList

Returns a new instance of WordList.



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# File 'lib/smartdict/gui/word_list.rb', line 24

def initialize(controller)
  @controller = controller

  @list_model = Gtk::ListStore.new(String, String, String)
  super(@list_model)

  self.append_column(ListColumn.new("History"))

  self.selection.signal_connect("changed"){
    item = self.selection.selected
    word, from_lang, to_lang = item[0], item[1], item[2]
    @controller.translate_selected_word(word, from_lang, to_lang)
  }
end

Instance Method Details

#first_item_matches?(word, from_lang, to_lang) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/smartdict/gui/word_list.rb', line 47

def first_item_matches?(word, from_lang, to_lang)
  iter = @list_model.iter_first
  return false unless iter
  word      == @list_model.get_value(iter, 0) &&
  from_lang == @list_model.get_value(iter, 1) &&
  to_lang   == @list_model.get_value(iter, 2)
end

#prepend_word(translation) ⇒ Object 



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# File 'lib/smartdict/gui/word_list.rb', line 39

def prepend_word(translation)
  item = @list_model.prepend
  item[0] = translation.word
  item[1] = translation.from_lang
  item[2] = translation.to_lang
  selection.select_iter(item)
end

#scroll_up ⇒ Object 



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# File 'lib/smartdict/gui/word_list.rb', line 55

def scroll_up
  # TODO: It's a dirty hack!
  # We need just resize WordList and set vadjustment.value = 0.
  # But WordList is resized after, so I do this hack to make sure
  # that it's already resized.
  Thread.new do
    # Expected to parent be Gtk::ScrolledWindow
    vad = self.parent.vadjustment
    vad.value = vad.lower
    vad.value_changed
  end
end