lib/newgame.rb

   1 require 'qtutils'
   2
   3 class NewGame < KDE::Dialog
   4   include Observable
   5
   6   def initialize(parent,
   7                  engine_loader,
   8                  current_game)
   9     super(parent)
  10     self.caption = KDE.i18n("New game")
  11     self.buttons = KDE::Dialog::Ok | KDE::Dialog::Cancel
  12
  13     @widget = Qt::Widget.new(self)
  14
  15     @engine_loader = engine_loader
  16     label = Qt::Label.new(KDE.i18n("&Game:"), @widget)
  17     @games = Game.new_combo(@widget)
  18
  19     label.buddy = @games
  20     hlayout = Qt::HBoxLayout.new
  21     hlayout.add_widget(label)
  22     hlayout.add_widget(@games)
  23     @players = { }
  24
  25     @layout = Qt::VBoxLayout.new(@widget)
  26     @layout.add_layout(hlayout)
  27
  28     current = (0...@games.count).
  29       map{|i| @games.item_data(i).toString }.
  30       index(current_game.class.data(:id).to_s)
  31     @games.current_index = current if current
  32     @games.on('currentIndexChanged(int)') do |index|
  33       update_players(index)
  34     end
  35
  36     update_players(@games.current_index)
  37
  38     self.main_widget = @widget
  39
  40     on(:okClicked) do
  41       engines = { }
  42       humans = []
  43       g = game
  44       g.players.each do |player|
  45         # iterate over the player array to preserve order
  46         combo = @players[player]
  47         data = combo.item_data(combo.current_index).to_a
  48         if data.first == 'engine'
  49           engine_name = data[1]
  50           engines[player] = engine_loader[engine_name]
  51         else
  52           humans << player
  53         end
  54       end
  55       fire :ok => {
  56         :game => game,
  57         :engines => engines,
  58         :humans => humans }
  59     end
  60   end
  61
  62   def update_players(index)
  63     @player_widget.dispose if @player_widget
  64     @player_widget = Qt::Widget.new(@widget)
  65     layout = Qt::VBoxLayout.new(@player_widget)
  66     layout.margin = 0
  67     @layout.add_widget(@player_widget)
  68
  69     @players = { }
  70     g = game(index)
  71     engines = @engine_loader.find_by_game(g)
  72     g.players.each do |player|
  73       label = Qt::Label.new(player.to_s.capitalize + ':', @player_widget)
  74       combo = KDE::ComboBox.new(@player_widget) do
  75         self.editable = false
  76         add_item(KDE.i18n('Human'), Qt::Variant.new(['human']))
  77       end
  78       engines.each do |id, engine|
  79         combo.add_item(engine.name, Qt::Variant.new(['engine', engine.name]))
  80       end
  81       @players[player] = combo
  82
  83       hlayout = Qt::HBoxLayout.new
  84       hlayout.add_widget(label)
  85       hlayout.add_widget(combo)
  86       layout.add_layout(hlayout)
  87     end
  88   end
  89
  90   def game(index = nil)
  91     index = @games.current_index if index.nil?
  92     game_id = @games.item_data(index).toString.to_sym
  93     Game.get(game_id)
  94   end
  95 end