SIP4 python bindings for TQt
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#!/usr/bin/env python
# TQt tutorial 13.
import sys
import math
import random
from python_tqt.qt import *
class LCDRange(TQWidget):
def __init__(self,s=None,parent=None,name=None):
TQWidget.__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.label = TQLabel(' ',self,'label')
self.label.setAlignment(TQt.AlignCenter)
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)
l = TQVBoxLayout(self)
l.addWidget(lcd,1)
l.addWidget(self.slider)
l.addWidget(self.label)
if s is not None:
self.setText(s)
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)
def text(self):
return self.label.text()
def setText(self,s):
self.label.setText(s)
class CannonField(TQWidget):
def __init__(self,parent=None,name=None):
TQWidget.__init__(self,parent,name)
self.ang = 45
self.f = 0
self.timerCount = 0
self.autoShootTimer = TQTimer(self,'movement handler')
self.connect(self.autoShootTimer,SIGNAL('timeout()'),self.moveShot)
self.shoot_ang = 0
self.shoot_f = 0
self.target = TQPoint(0,0)
self.gameEnded = 0
self.setPalette(TQPalette(TQColor(250,250,200)))
self.barrelRect = TQRect(33,-4,15,8)
self.newTarget()
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(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(PYSIGNAL('forceChanged(int)'),(self.f,))
def shoot(self):
if self.isShooting():
return
self.timerCount = 0
self.shoot_ang = self.ang
self.shoot_f = self.f
self.autoShootTimer.start(50)
self.emit(PYSIGNAL('canShoot(bool)'),(0,))
def newTarget(self):
r = TQRegion(self.targetRect())
self.target = TQPoint(random.randint(200,390),random.randint(10,265))
self.repaint(r.unite(TQRegion(self.targetRect())))
def gameOver(self):
return self.gameEnded
def setGameOver(self):
if self.gameEnded:
return
if self.isShooting():
self.autoShootTime.stop()
self.gameEnded = 1
self.repaint()
def restartGame(self):
if self.isShooting():
self.autoShootTime.stop()
self.gameEnded = 0
self.repaint()
self.emit(PYSIGNAL('canShoot(bool)'),(1,))
def moveShot(self):
r = TQRegion(self.shotRect())
self.timerCount = self.timerCount + 1
shotR = self.shotRect()
if shotR.intersects(self.targetRect()):
self.autoShootTimer.stop()
self.emit(PYSIGNAL('hit()'),())
self.emit(PYSIGNAL('canShoot(bool)'),(1,))
elif shotR.x() > self.width() or shotR.y() > self.height():
self.autoShootTimer.stop()
self.emit(PYSIGNAL('missed()'),())
self.emit(PYSIGNAL('canShoot(bool)'),(1,))
else:
r = r.unite(TQRegion(shotR))
self.repaint(r)
def paintEvent(self,ev):
updateR = ev.rect()
p = TQPainter(self)
if self.gameEnded:
p.setPen(TQt.black)
p.setFont(TQFont('Courier',48,TQFont.Bold))
p.drawText(self.rect(),TQt.AlignCenter,'Game Over')
if updateR.intersects(self.cannonRect()):
self.paintCannon(p)
if self.isShooting() and updateR.intersects(self.shotRect()):
self.paintShot(p)
if not self.gameEnded and updateR.intersects(self.targetRect()):
self.paintTarget(p)
def paintShot(self,p):
p.setBrush(TQt.black)
p.setPen(TQt.NoPen)
p.drawRect(self.shotRect())
def paintTarget(self,p):
p.setBrush(TQt.red)
p.setPen(TQt.black)
p.drawRect(self.targetRect())
def paintCannon(self,p):
cr = self.cannonRect()
pix = TQPixmap(cr.size())
pix.fill(self,cr.topLeft())
tmp = TQPainter(pix)
tmp.setBrush(TQt.blue)
tmp.setPen(TQt.NoPen)
tmp.translate(0,pix.height() - 1)
tmp.drawPie(TQRect(-35,-35,70,70),0,90 * 16)
tmp.rotate(-self.ang)
tmp.drawRect(self.barrelRect)
tmp.end()
p.drawPixmap(cr.topLeft(),pix)
def cannonRect(self):
r = TQRect(0,0,50,50)
r.moveBottomLeft(self.rect().bottomLeft())
return r
def shotRect(self):
gravity = 4.0
time = self.timerCount / 4.0
velocity = self.shoot_f
radians = self.shoot_ang * 3.14159265 / 180
velx = velocity * math.cos(radians)
vely = velocity * math.sin(radians)
x0 = (self.barrelRect.right() + 5) * math.cos(radians)
y0 = (self.barrelRect.right() + 5) * math.sin(radians)
x = x0 + velx * time
y = y0 + vely * time - 0.5 * gravity * time * time
r = TQRect(0,0,6,6)
r.moveCenter(TQPoint(x,self.height() - 1 - y))
return r
def targetRect(self):
r = TQRect(0,0,20,10)
r.moveCenter(TQPoint(self.target.x(),self.height() - 1 - self.target.y()))
return r
def isShooting(self):
return self.autoShootTimer.isActive()
def sizePolicy(self):
return TQSizePolicy(TQSizePolicy.Expanding,TQSizePolicy.Expanding)
class GameBoard(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('ANGLE',self,'angle')
self.angle.setRange(5,70)
self.force = LCDRange('FORCE',self,'force')
self.force.setRange(10,50)
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)
self.connect(self.force,PYSIGNAL('valueChanged(int)'),self.cannonField.setForce)
self.connect(self.cannonField,PYSIGNAL('forceChanged(int)'),self.force.setValue)
self.connect(self.cannonField,PYSIGNAL('hit()'),self.hit)
self.connect(self.cannonField,PYSIGNAL('missed()'),self.missed)
self.shoot = TQPushButton('&Shoot',self,'shoot')
self.shoot.setFont(TQFont('Times',18,TQFont.Bold))
self.connect(self.shoot,SIGNAL('clicked()'),self.fire)
self.connect(self.cannonField,PYSIGNAL('canShoot(bool)'),self.shoot,SLOT('setEnabled(bool)'))
restart = TQPushButton('&New Game',self,'newgame')
restart.setFont(TQFont('Times',18,TQFont.Bold))
self.connect(restart,SIGNAL('clicked()'),self.newGame)
self.hits = TQLCDNumber(2,self,'hits')
self.shotsLeft = TQLCDNumber(2,self,'shotsleft')
hitsL = TQLabel('HITS',self,'hitsLabel')
shotsLeftL = TQLabel('SHOTS LEFT',self,'shotsleftLabel')
grid = TQGridLayout(self,2,2,10)
grid.addWidget(quit,0,0)
grid.addWidget(self.cannonField,1,1)
grid.setColStretch(1,10)
leftBox = TQVBoxLayout()
grid.addLayout(leftBox,1,0)
leftBox.addWidget(self.angle)
leftBox.addWidget(self.force)
topBox = TQHBoxLayout()
grid.addLayout(topBox,0,1)
topBox.addWidget(self.shoot)
topBox.addWidget(self.hits)
topBox.addWidget(hitsL)
topBox.addWidget(self.shotsLeft)
topBox.addWidget(shotsLeftL)
topBox.addStretch(1)
topBox.addWidget(restart)
self.angle.setValue(60)
self.force.setValue(25)
self.angle.setFocus()
self.newGame()
def fire(self):
if self.cannonField.gameOver() or self.cannonField.isShooting():
return
self.shotsLeft.display(self.shotsLeft.intValue() - 1)
self.cannonField.shoot()
def hit(self):
self.hits.display(self.hits.intValue() + 1)
if self.shotsLeft.intValue() == 0:
self.cannonField.setGameOver()
else:
self.cannonField.newTarget()
def missed(self):
if self.shotsLeft.intValue() == 0:
self.cannonField.setGameOver()
def newGame(self):
self.shotsLeft.display(15)
self.hits.display(0)
self.cannonField.restartGame()
self.cannonField.newTarget()
TQApplication.setColorSpec(TQApplication.CustomColor)
a = TQApplication(sys.argv)
gb = GameBoard()
gb.setGeometry(100,100,500,355)
a.setMainWidget(gb)
gb.show()
a.exec_loop()