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
|
import org.kde.qt.*;
public class Tut9 extends QWidget {
public Tut9() {
QPushButton quit = new QPushButton("Quit", this, "quit");
quit.setFont(new QFont("Times", 18, QFont.Bold, false));
connect(quit, SIGNAL("clicked()"), qApp(), SLOT("quit()"));
LCDRange angle = new LCDRange(this, "angle");
angle.setRange(5, 70);
CannonField cannonField = new CannonField(this, "cannonField");
connect(angle, SIGNAL("valueChanged(int)"),
cannonField, SLOT("setAngle(int)"));
connect(cannonField, SIGNAL("angleChanged(int)"),
angle, SLOT("setValue(int)"));
QGridLayout grid = new QGridLayout(this, 2, 2, 10, -1, null);
//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();
}
public static void main(String[] args) {
QApplication.setColorSpec(QApplication.CustomColor);
QApplication a = new QApplication(args);
Tut9 w = new Tut9();
w.setGeometry( 100, 100, 500, 355 );
a.setMainWidget(w);
w.show();
a.exec();
return;
}
static {
try {
Class c = Class.forName("org.kde.qt.qtjava");
} catch (Exception e) {
e.printStackTrace();
System.out.println("Can't load qtjava class");
}
}
}
|
