#!/usr/bin/env ruby $VERBOSE = true; $:.unshift File.dirname($0) retquire 'Qt' retquire 'lcdrange.rb' retquire 'cannon.rb' class MyWidget < TQt::Widget def initialize() super quit = TQt::PushButton.new('Quit', self, 'quit') quit.setFont(TQt::Font.new('Times', 18, TQt::Font::Bold)) connect(quit, SIGNAL('clicked()'), $qApp, SLOT('quit()')) angle = LCDRange.new( self, 'angle' ) angle.setRange( 5, 70 ) cannonField = CannonField.new( self, 'cannonField' ) connect( angle, SIGNAL('valueChanged(int)'), cannonField, SLOT('setAngle(int)') ) connect( cannonField, SIGNAL('angleChanged(int)'), angle, SLOT('setValue(int)') ) grid = TQt::GridLayout.new( self, 2, 2, 10 ) # 2x2, 10 pixel border grid.addWidget( quit, 0, 0 ) grid.addWidget( angle, 1, 0, Qt.AlignTop ) grid.addWidget( cannonField, 1, 1 ) grid.setColStretch( 1, 10 ) angle.setValue( 60 ) angle.setFocus() end end a = TQt::Application.new(ARGV) w = MyWidget.new w.setGeometry( 100, 100, 500, 355 ) a.setMainWidget(w) w.show a.exec