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
|
import org.kde.qt.*;
public class LCDRange extends QVBox {
private QSlider slider;
public LCDRange(QWidget parent, String name) {
super(parent, name);
QLCDNumber lcd = new QLCDNumber(2, this, "lcd");
slider = new QSlider(Horizontal, this, "slider");
slider.setRange(0, 99);
slider.setValue(0);
connect(slider, SIGNAL("valueChanged(int)"),
lcd, SLOT("display(int)"));
connect(slider, SIGNAL("valueChanged(int)"),
SIGNAL("valueChanged(int)"));
setFocusProxy(slider);
}
public int value() {
return slider.value();
}
public void setValue(int value) {
slider.setValue(value);
}
public void setRange(int minVal, int maxVal) {
if (minVal < 0 || maxVal > 99 || minVal > maxVal) {
qWarning("LCDRange::setRange("+minVal+","+maxVal+")\n"+
"\tRange must be 0..99\n"+
"\tand minVal must not be greater than maxVal");
return;
}
slider.setRange(minVal, maxVal);
}
}
|
