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pytqt/examples2/tut7.py

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1.4 KiB

#!/usr/bin/env python
# TQt tutorial 7.
import sys
from qt import *
class LCDRange(TQVBox):
def __init__(self,parent=None,name=None):
TQVBox.__init__(self,parent,name)
lcd = TQLCDNumber(2,self,'lcd')
self.slider = TQSlider(TQt.Horizontal,self,'slider')
self.slider.setRange(0,99)
self.slider.setValue(0)
self.connect(self.slider,SIGNAL('valueChanged(int)'),lcd,SLOT('display(int)'))
self.connect(self.slider,SIGNAL('valueChanged(int)'),self,PYSIGNAL('valueChanged(int)'))
def value(self):
return self.slider.value()
def setValue(self,value):
self.slider.setValue(value)
class MyWidget(TQVBox):
def __init__(self,parent=None,name=None):
TQVBox.__init__(self,parent,name)
quit = TQPushButton("Quit",self,"quit")
quit.setFont(TQFont("Times",18,TQFont.Bold))
self.connect(quit,SIGNAL("clicked()"),qApp,SLOT("quit()"))
grid = TQGrid(4,self)
self.lcdlist = []
previous = None
for r in range(4):
for c in range(4):
lr = LCDRange(grid)
if previous is not None:
self.connect(lr,PYSIGNAL("valueChanged(int)"),previous.setValue)
previous = lr
self.lcdlist.append(lr)
a = TQApplication(sys.argv)
w = MyWidget()
a.setMainWidget(w)
w.show()
a.exec_loop()