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.
97 lines
2.6 KiB
97 lines
2.6 KiB
#!/usr/bin/env python
|
|
|
|
# TQt tutorial 8.
|
|
|
|
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)'))
|
|
|
|
self.setFocusProxy(self.slider)
|
|
|
|
def value(self):
|
|
return self.slider.value()
|
|
|
|
def setValue(self,value):
|
|
self.slider.setValue(value)
|
|
|
|
def setRange(self,minVal,maxVal):
|
|
if minVal < 0 or maxVal > 99 or minVal > maxVal:
|
|
raise ValueError, 'LCDRange.setRange(): invalid range'
|
|
self.slider.setRange(minVal,maxVal)
|
|
|
|
|
|
class CannonField(TQWidget):
|
|
def __init__(self,parent=None,name=None):
|
|
TQWidget.__init__(self,parent,name)
|
|
|
|
self.ang = 45
|
|
self.setPalette(TQPalette(TQColor(250,250,200)))
|
|
|
|
def angle(self):
|
|
return self.ang
|
|
|
|
def setAngle(self,degrees):
|
|
if degrees < 5:
|
|
degrees = 5
|
|
if degrees > 70:
|
|
degrees = 70
|
|
if self.ang == degrees:
|
|
return
|
|
self.ang = degrees
|
|
self.repaint()
|
|
self.emit(PYSIGNAL('angleChanged(int)'),(self.ang,))
|
|
|
|
def paintEvent(self,ev):
|
|
p = TQPainter(self)
|
|
p.drawText(200,200,'Angle = %d' % (self.ang))
|
|
|
|
def sizePolicy(self):
|
|
return TQSizePolicy(TQSizePolicy.Expanding,TQSizePolicy.Expanding)
|
|
|
|
|
|
class MyWidget(TQWidget):
|
|
def __init__(self,parent=None,name=None):
|
|
TQWidget.__init__(self,parent,name)
|
|
|
|
quit = TQPushButton('Quit',self,'quit')
|
|
quit.setFont(TQFont('Times',18,TQFont.Bold))
|
|
self.connect(quit,SIGNAL('clicked()'),tqApp,SLOT('quit()'))
|
|
|
|
self.angle = LCDRange(self,'angle')
|
|
self.angle.setRange(5,70)
|
|
|
|
self.cannonField = CannonField(self,'cannonField')
|
|
|
|
self.connect(self.angle,PYSIGNAL('valueChanged(int)'),self.cannonField.setAngle)
|
|
self.connect(self.cannonField,PYSIGNAL('angleChanged(int)'),self.angle.setValue)
|
|
|
|
grid = TQGridLayout(self,2,2,10)
|
|
|
|
grid.addWidget(quit,0,0)
|
|
grid.addWidget(self.angle,1,0,TQt.AlignTop)
|
|
grid.addWidget(self.cannonField,1,1)
|
|
grid.setColStretch(1,10)
|
|
|
|
self.angle.setValue(60)
|
|
self.angle.setFocus()
|
|
|
|
|
|
a = TQApplication(sys.argv)
|
|
|
|
w = MyWidget()
|
|
w.setGeometry(100,100,500,355)
|
|
a.setMainWidget(w)
|
|
w.show()
|
|
a.exec_loop()
|