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.
146 lines
4.1 KiB
146 lines
4.1 KiB
#!/usr/bin/env python
|
|
|
|
# TQt tutorial 10.
|
|
|
|
import sys
|
|
from python_tqt import qt
|
|
|
|
|
|
class LCDRange(qt.TQVBox):
|
|
def __init__(self, parent=None, name=None):
|
|
qt.TQVBox.__init__(self, parent, name)
|
|
|
|
lcd = qt.TQLCDNumber(2, self, "lcd")
|
|
self.slider = qt.TQSlider(qt.TQt.Horizontal, self, "slider")
|
|
self.slider.setRange(0, 99)
|
|
self.slider.setValue(0)
|
|
self.connect(self.slider, qt.SIGNAL("valueChanged(int)"), lcd, qt.SLOT("display(int)"))
|
|
self.connect(self.slider, qt.SIGNAL("valueChanged(int)"), self, qt.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(qt.TQWidget):
|
|
def __init__(self, parent=None, name=None):
|
|
qt.TQWidget.__init__(self, parent, name)
|
|
|
|
self.ang = 45
|
|
self.f = 0
|
|
self.setPalette(qt.TQPalette(qt.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.cannonRect(), 0)
|
|
self.emit(qt.PYSIGNAL("angleChanged(int)"), (self.ang, ))
|
|
|
|
def force(self):
|
|
return self.f
|
|
|
|
def setForce(self, newton):
|
|
if newton < 0:
|
|
newton = 0
|
|
if self.f == newton:
|
|
return
|
|
self.f = newton
|
|
self.emit(qt.PYSIGNAL("forceChanged(int)"), (self.f, ))
|
|
|
|
def paintEvent(self, ev):
|
|
if not ev.rect().intersects(self.cannonRect()):
|
|
return
|
|
|
|
cr = self.cannonRect()
|
|
pix = qt.TQPixmap(cr.size())
|
|
pix.fill(self, cr.topLeft())
|
|
|
|
p = qt.TQPainter(pix)
|
|
|
|
p.setBrush(qt.TQt.blue)
|
|
p.setPen(qt.TQt.NoPen)
|
|
|
|
p.translate(0, pix.height() - 1)
|
|
p.drawPie(qt.TQRect(-35, -35, 70, 70), 0, 90 * 16)
|
|
p.rotate(-self.ang)
|
|
p.drawRect(qt.TQRect(33, -4, 15, 8))
|
|
p.end()
|
|
|
|
p.begin(self)
|
|
p.drawPixmap(cr.topLeft(), pix)
|
|
|
|
def cannonRect(self):
|
|
r = qt.TQRect(0, 0, 50, 50)
|
|
r.moveBottomLeft(self.rect().bottomLeft())
|
|
return r
|
|
|
|
def sizePolicy(self):
|
|
return qt.TQSizePolicy(qt.TQSizePolicy.Expanding, qt.TQSizePolicy.Expanding)
|
|
|
|
|
|
class MyWidget(qt.TQWidget):
|
|
def __init__(self, parent=None, name=None):
|
|
qt.TQWidget.__init__(self, parent, name)
|
|
|
|
quit = qt.TQPushButton("&Quit", self, "quit")
|
|
quit.setFont(qt.TQFont("Times", 18, qt.TQFont.Bold))
|
|
self.connect(quit, qt.SIGNAL("clicked()"), qt.tqApp, qt.SLOT("quit()"))
|
|
|
|
self.angle = LCDRange(self, "angle")
|
|
self.angle.setRange(5, 70)
|
|
|
|
self.force = LCDRange(self, "force")
|
|
self.force.setRange(10, 50)
|
|
|
|
self.cannonField = CannonField(self, "cannonField")
|
|
|
|
self.connect(self.angle, qt.PYSIGNAL("valueChanged(int)"), self.cannonField.setAngle)
|
|
self.connect(self.cannonField, qt.PYSIGNAL("angleChanged(int)"), self.angle.setValue)
|
|
|
|
self.connect(self.force, qt.PYSIGNAL("valueChanged(int)"), self.cannonField.setForce)
|
|
self.connect(self.cannonField, qt.PYSIGNAL("forceChanged(int)"), self.force.setValue)
|
|
|
|
grid = qt.TQGridLayout(self, 2, 2, 10)
|
|
|
|
grid.addWidget(quit, 0, 0)
|
|
grid.addWidget(self.cannonField, 1, 1)
|
|
grid.setColStretch(1, 10)
|
|
|
|
leftBox = qt.TQVBoxLayout()
|
|
|
|
grid.addLayout(leftBox, 1, 0)
|
|
|
|
leftBox.addWidget(self.angle)
|
|
leftBox.addWidget(self.force)
|
|
|
|
self.angle.setValue(60)
|
|
self.force.setValue(25)
|
|
self.angle.setFocus()
|
|
|
|
|
|
qt.TQApplication.setColorSpec(qt.TQApplication.CustomColor)
|
|
a = qt.TQApplication(sys.argv)
|
|
|
|
w = MyWidget()
|
|
w.setGeometry(100, 100, 500, 355)
|
|
a.setMainWidget(w)
|
|
w.show()
|
|
sys.exit(a.exec_loop())
|