You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
36 lines
1004 B
36 lines
1004 B
15 years ago
|
require 'Qt'
|
||
|
|
|
||
|
|
class LCDRange < Qt::VBox
|
||
|
|
signals 'valueChanged(int)'
|
||
|
|
slots 'setValue(int)', 'setRange(int, int)'
|
||
|
|
|
||
|
|
def initialize(parent, name)
|
||
|
|
super
|
||
|
|
lcd = Qt::LCDNumber.new(2, self, 'lcd')
|
||
|
|
@slider = Qt::Slider.new(Qt::VBox::Horizontal, self, '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)
|
||
|
|
end
|
||
|
|
|
||
|
|
def value()
|
||
|
|
@slider.value()
|
||
|
|
end
|
||
|
|
|
||
|
|
def setValue( value )
|
||
|
|
@slider.setValue( value )
|
||
|
|
end
|
||
|
|
|
||
|
|
def setRange( minVal, 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
|
||
|
|
end
|
||
|
|
@slider.setRange( minVal, maxVal )
|
||
|
|
end
|
||
|
|
end
|