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.
98 lines
2.8 KiB
98 lines
2.8 KiB
#!/usr/bin/env python
|
|
|
|
# TQt tutorial 8.
|
|
|
|
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.TQ_SIGNAL("valueChanged(int)"), lcd, tqt.TQ_SLOT("display(int)"))
|
|
self.connect(self.slider, tqt.TQ_SIGNAL("valueChanged(int)"), self, tqt.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(tqt.TQWidget):
|
|
def __init__(self, parent=None, name=None):
|
|
tqt.TQWidget.__init__(self, parent, name)
|
|
|
|
self.ang = 45
|
|
self.setPalette(tqt.TQPalette(tqt.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(tqt.PYSIGNAL("angleChanged(int)"), (self.ang, ))
|
|
|
|
def paintEvent(self, ev):
|
|
p = tqt.TQPainter(self)
|
|
p.drawText(200, 200, "Angle = %d" % (self.ang))
|
|
|
|
def sizePolicy(self):
|
|
return tqt.TQSizePolicy(tqt.TQSizePolicy.Expanding, tqt.TQSizePolicy.Expanding)
|
|
|
|
|
|
class MyWidget(tqt.TQWidget):
|
|
def __init__(self, parent=None, name=None):
|
|
tqt.TQWidget.__init__(self, parent, name)
|
|
|
|
quit = tqt.TQPushButton("Quit", self, "quit")
|
|
quit.setFont(tqt.TQFont("Times", 18, tqt.TQFont.Bold))
|
|
self.connect(quit, tqt.TQ_SIGNAL("clicked()"), tqt.tqApp, tqt.TQ_SLOT("quit()"))
|
|
|
|
self.angle = LCDRange(self, "angle")
|
|
self.angle.setRange(5, 70)
|
|
|
|
self.cannonField = CannonField(self, "cannonField")
|
|
|
|
self.connect(self.angle, tqt.PYSIGNAL("valueChanged(int)"), self.cannonField.setAngle)
|
|
self.connect(self.cannonField, tqt.PYSIGNAL("angleChanged(int)"), self.angle.setValue)
|
|
|
|
grid = tqt.TQGridLayout(self, 2, 2, 10)
|
|
|
|
grid.addWidget(quit, 0, 0)
|
|
grid.addWidget(self.angle, 1, 0, tqt.TQt.AlignTop)
|
|
grid.addWidget(self.cannonField, 1, 1)
|
|
grid.setColStretch(1, 10)
|
|
|
|
self.angle.setValue(60)
|
|
self.angle.setFocus()
|
|
|
|
|
|
a = tqt.TQApplication(sys.argv)
|
|
|
|
w = MyWidget()
|
|
w.setGeometry(100, 100, 500, 355)
|
|
a.setMainWidget(w)
|
|
w.show()
|
|
sys.exit(a.exec_loop())
|