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#!/usr/bin/env python
# TQt tutorial 7.
import sys
from PyTQt import tqt
class LCDRange(tqt.TQVBox):
def __init__(self, parent=None, name=None):
tqt.TQVBox.__init__(self, parent, name)
lcd = tqt.TQLCDNumber(2, self, "lcd")
self.slider = tqt.TQSlider(tqt.TQt.Horizontal, self, "slider")
self.slider.setRange(0, 99)
self.slider.setValue(0)
self.connect(self.slider, tqt.SIGNAL("valueChanged(int)"), lcd, tqt.SLOT("display(int)"))
self.connect(self.slider, tqt.SIGNAL("valueChanged(int)"), self, tqt.PYSIGNAL("valueChanged(int)"))
def value(self):
return self.slider.value()
def setValue(self, value):
self.slider.setValue(value)
class MyWidget(tqt.TQVBox):
def __init__(self, parent=None, name=None):
tqt.TQVBox.__init__(self, parent, name)
quit = tqt.TQPushButton("Quit", self, "quit")
quit.setFont(tqt.TQFont("Times", 18, tqt.TQFont.Bold))
self.connect(quit, tqt.SIGNAL("clicked()"), tqt.tqApp, tqt.SLOT("quit()"))
grid = tqt.TQGrid(4, self)
self.lcdlist = []
previous = None
for r in range(4):
for c in range(4):
lr = LCDRange(grid)
if previous:
self.connect(lr, tqt.PYSIGNAL("valueChanged(int)"), previous.setValue)
previous = lr
self.lcdlist.append(lr)
a = tqt.TQApplication(sys.argv)
w = MyWidget()
a.setMainWidget(w)
w.show()
sys.exit(a.exec_loop())
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