#!/usr/bin/env ruby $VERBOSE = true; $:.unshift File.dirname($0) require 'Qt' require './lcdrange.rb' require './cannon.rb' class MyWidget < Qt::Widget def initialize(parent = nil) super quit = Qt::PushButton.new('Quit') quit.setFont(Qt::Font.new('Times', 18, Qt::Font::Bold)) connect(quit, SIGNAL('clicked()'), $qApp, SLOT('quit()')) angle = LCDRange.new( self ) angle.range = 5..70 force = LCDRange.new( self ) force.range = 10..50 cannonField = CannonField.new( self ) connect( angle, SIGNAL('valueChanged(int)'), cannonField, SLOT('setAngle(int)') ) connect( cannonField, SIGNAL('angleChanged(int)'), angle, SLOT('setValue(int)') ) connect( force, SIGNAL('valueChanged(int)'), cannonField, SLOT('setForce(int)') ) connect( cannonField, SIGNAL('forceChanged(int)'), force, SLOT('setValue(int)') ) leftLayout = Qt::VBoxLayout.new() leftLayout.addWidget( angle ) leftLayout.addWidget( force ) gridLayout = Qt::GridLayout.new gridLayout.addWidget( quit, 0, 0 ) gridLayout.addLayout(leftLayout, 1, 0) gridLayout.addWidget( cannonField, 1, 1, 2, 1 ) gridLayout.setColumnStretch( 1, 10 ) setLayout(gridLayout) angle.setValue( 60 ) force.setValue( 25 ) angle.setFocus() end end app = Qt::Application.new(ARGV) widget = MyWidget.new widget.setGeometry( 100, 100, 500, 355 ) widget.show app.exec