1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
#!/usr/bin/env ruby
$VERBOSE = true; $:.unshift File.dirname($0)
require 'Qt'
require 'lcdrange.rb'
require 'cannon.rb'
class MyWidget < Qt::Widget
def initialize()
super
quit = Qt::PushButton.new('Quit', self, 'quit')
quit.setFont(Qt::Font.new('Times', 18, Qt::Font::Bold))
connect(quit, SIGNAL('clicked()'), $qApp, SLOT('quit()'))
angle = LCDRange.new( self, 'angle' )
angle.setRange( 5, 70 )
force = LCDRange.new( self, 'force' )
force.setRange( 10, 50 )
cannonField = CannonField.new( self, 'cannonField' )
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)') )
grid = Qt::GridLayout.new( self, 2, 2, 10 )
grid.addWidget( quit, 0, 0 )
grid.addWidget( cannonField, 1, 1 )
grid.setColStretch( 1, 10 )
leftBox = Qt::VBoxLayout.new()
grid.addLayout( leftBox, 1, 0 )
leftBox.addWidget( angle )
leftBox.addWidget( force )
angle.setValue( 60 )
force.setValue( 25 )
angle.setFocus()
end
end
Qt::Application.setColorSpec( Qt::Application::CustomColor )
a = Qt::Application.new(ARGV)
w = MyWidget.new
w.setGeometry( 100, 100, 500, 355 )
a.setMainWidget(w)
w.show
a.exec
|
