SIP4 python bindings for TQt
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tut13.py 9.4KB

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  1. #!/usr/bin/env python
  2. # TQt tutorial 13.
  3. import sys
  4. import math
  5. import random
  6. from python_tqt.qt import *
  7. class LCDRange(TQWidget):
  8. def __init__(self,s=None,parent=None,name=None):
  9. TQWidget.__init__(self,parent,name)
  10. lcd = TQLCDNumber(2,self,'lcd')
  11. self.slider = TQSlider(TQt.Horizontal,self,'slider')
  12. self.slider.setRange(0,99)
  13. self.slider.setValue(0)
  14. self.label = TQLabel(' ',self,'label')
  15. self.label.setAlignment(TQt.AlignCenter)
  16. self.connect(self.slider,SIGNAL('valueChanged(int)'),lcd,SLOT('display(int)'))
  17. self.connect(self.slider,SIGNAL('valueChanged(int)'),self,PYSIGNAL('valueChanged(int)'))
  18. self.setFocusProxy(self.slider)
  19. l = TQVBoxLayout(self)
  20. l.addWidget(lcd,1)
  21. l.addWidget(self.slider)
  22. l.addWidget(self.label)
  23. if s is not None:
  24. self.setText(s)
  25. def value(self):
  26. return self.slider.value()
  27. def setValue(self,value):
  28. self.slider.setValue(value)
  29. def setRange(self,minVal,maxVal):
  30. if minVal < 0 or maxVal > 99 or minVal > maxVal:
  31. raise ValueError, 'LCDRange.setRange(): invalid range'
  32. self.slider.setRange(minVal,maxVal)
  33. def text(self):
  34. return self.label.text()
  35. def setText(self,s):
  36. self.label.setText(s)
  37. class CannonField(TQWidget):
  38. def __init__(self,parent=None,name=None):
  39. TQWidget.__init__(self,parent,name)
  40. self.ang = 45
  41. self.f = 0
  42. self.timerCount = 0
  43. self.autoShootTimer = TQTimer(self,'movement handler')
  44. self.connect(self.autoShootTimer,SIGNAL('timeout()'),self.moveShot)
  45. self.shoot_ang = 0
  46. self.shoot_f = 0
  47. self.target = TQPoint(0,0)
  48. self.gameEnded = 0
  49. self.setPalette(TQPalette(TQColor(250,250,200)))
  50. self.barrelRect = TQRect(33,-4,15,8)
  51. self.newTarget()
  52. def angle(self):
  53. return self.ang
  54. def setAngle(self,degrees):
  55. if degrees < 5:
  56. degrees = 5
  57. if degrees > 70:
  58. degrees = 70
  59. if self.ang == degrees:
  60. return
  61. self.ang = degrees
  62. self.repaint(self.cannonRect(),0)
  63. self.emit(PYSIGNAL('angleChanged(int)'),(self.ang,))
  64. def force(self):
  65. return self.f
  66. def setForce(self,newton):
  67. if newton < 0:
  68. newton = 0
  69. if self.f == newton:
  70. return
  71. self.f = newton
  72. self.emit(PYSIGNAL('forceChanged(int)'),(self.f,))
  73. def shoot(self):
  74. if self.isShooting():
  75. return
  76. self.timerCount = 0
  77. self.shoot_ang = self.ang
  78. self.shoot_f = self.f
  79. self.autoShootTimer.start(50)
  80. self.emit(PYSIGNAL('canShoot(bool)'),(0,))
  81. def newTarget(self):
  82. r = TQRegion(self.targetRect())
  83. self.target = TQPoint(random.randint(200,390),random.randint(10,265))
  84. self.repaint(r.unite(TQRegion(self.targetRect())))
  85. def gameOver(self):
  86. return self.gameEnded
  87. def setGameOver(self):
  88. if self.gameEnded:
  89. return
  90. if self.isShooting():
  91. self.autoShootTime.stop()
  92. self.gameEnded = 1
  93. self.repaint()
  94. def restartGame(self):
  95. if self.isShooting():
  96. self.autoShootTime.stop()
  97. self.gameEnded = 0
  98. self.repaint()
  99. self.emit(PYSIGNAL('canShoot(bool)'),(1,))
  100. def moveShot(self):
  101. r = TQRegion(self.shotRect())
  102. self.timerCount = self.timerCount + 1
  103. shotR = self.shotRect()
  104. if shotR.intersects(self.targetRect()):
  105. self.autoShootTimer.stop()
  106. self.emit(PYSIGNAL('hit()'),())
  107. self.emit(PYSIGNAL('canShoot(bool)'),(1,))
  108. elif shotR.x() > self.width() or shotR.y() > self.height():
  109. self.autoShootTimer.stop()
  110. self.emit(PYSIGNAL('missed()'),())
  111. self.emit(PYSIGNAL('canShoot(bool)'),(1,))
  112. else:
  113. r = r.unite(TQRegion(shotR))
  114. self.repaint(r)
  115. def paintEvent(self,ev):
  116. updateR = ev.rect()
  117. p = TQPainter(self)
  118. if self.gameEnded:
  119. p.setPen(TQt.black)
  120. p.setFont(TQFont('Courier',48,TQFont.Bold))
  121. p.drawText(self.rect(),TQt.AlignCenter,'Game Over')
  122. if updateR.intersects(self.cannonRect()):
  123. self.paintCannon(p)
  124. if self.isShooting() and updateR.intersects(self.shotRect()):
  125. self.paintShot(p)
  126. if not self.gameEnded and updateR.intersects(self.targetRect()):
  127. self.paintTarget(p)
  128. def paintShot(self,p):
  129. p.setBrush(TQt.black)
  130. p.setPen(TQt.NoPen)
  131. p.drawRect(self.shotRect())
  132. def paintTarget(self,p):
  133. p.setBrush(TQt.red)
  134. p.setPen(TQt.black)
  135. p.drawRect(self.targetRect())
  136. def paintCannon(self,p):
  137. cr = self.cannonRect()
  138. pix = TQPixmap(cr.size())
  139. pix.fill(self,cr.topLeft())
  140. tmp = TQPainter(pix)
  141. tmp.setBrush(TQt.blue)
  142. tmp.setPen(TQt.NoPen)
  143. tmp.translate(0,pix.height() - 1)
  144. tmp.drawPie(TQRect(-35,-35,70,70),0,90 * 16)
  145. tmp.rotate(-self.ang)
  146. tmp.drawRect(self.barrelRect)
  147. tmp.end()
  148. p.drawPixmap(cr.topLeft(),pix)
  149. def cannonRect(self):
  150. r = TQRect(0,0,50,50)
  151. r.moveBottomLeft(self.rect().bottomLeft())
  152. return r
  153. def shotRect(self):
  154. gravity = 4.0
  155. time = self.timerCount / 4.0
  156. velocity = self.shoot_f
  157. radians = self.shoot_ang * 3.14159265 / 180
  158. velx = velocity * math.cos(radians)
  159. vely = velocity * math.sin(radians)
  160. x0 = (self.barrelRect.right() + 5) * math.cos(radians)
  161. y0 = (self.barrelRect.right() + 5) * math.sin(radians)
  162. x = x0 + velx * time
  163. y = y0 + vely * time - 0.5 * gravity * time * time
  164. r = TQRect(0,0,6,6)
  165. r.moveCenter(TQPoint(x,self.height() - 1 - y))
  166. return r
  167. def targetRect(self):
  168. r = TQRect(0,0,20,10)
  169. r.moveCenter(TQPoint(self.target.x(),self.height() - 1 - self.target.y()))
  170. return r
  171. def isShooting(self):
  172. return self.autoShootTimer.isActive()
  173. def sizePolicy(self):
  174. return TQSizePolicy(TQSizePolicy.Expanding,TQSizePolicy.Expanding)
  175. class GameBoard(TQWidget):
  176. def __init__(self,parent=None,name=None):
  177. TQWidget.__init__(self,parent,name)
  178. quit = TQPushButton('&Quit',self,'quit')
  179. quit.setFont(TQFont('Times',18,TQFont.Bold))
  180. self.connect(quit,SIGNAL('clicked()'),tqApp,SLOT('quit()'))
  181. self.angle = LCDRange('ANGLE',self,'angle')
  182. self.angle.setRange(5,70)
  183. self.force = LCDRange('FORCE',self,'force')
  184. self.force.setRange(10,50)
  185. self.cannonField = CannonField(self,'cannonField')
  186. self.connect(self.angle,PYSIGNAL('valueChanged(int)'),self.cannonField.setAngle)
  187. self.connect(self.cannonField,PYSIGNAL('angleChanged(int)'),self.angle.setValue)
  188. self.connect(self.force,PYSIGNAL('valueChanged(int)'),self.cannonField.setForce)
  189. self.connect(self.cannonField,PYSIGNAL('forceChanged(int)'),self.force.setValue)
  190. self.connect(self.cannonField,PYSIGNAL('hit()'),self.hit)
  191. self.connect(self.cannonField,PYSIGNAL('missed()'),self.missed)
  192. self.shoot = TQPushButton('&Shoot',self,'shoot')
  193. self.shoot.setFont(TQFont('Times',18,TQFont.Bold))
  194. self.connect(self.shoot,SIGNAL('clicked()'),self.fire)
  195. self.connect(self.cannonField,PYSIGNAL('canShoot(bool)'),self.shoot,SLOT('setEnabled(bool)'))
  196. restart = TQPushButton('&New Game',self,'newgame')
  197. restart.setFont(TQFont('Times',18,TQFont.Bold))
  198. self.connect(restart,SIGNAL('clicked()'),self.newGame)
  199. self.hits = TQLCDNumber(2,self,'hits')
  200. self.shotsLeft = TQLCDNumber(2,self,'shotsleft')
  201. hitsL = TQLabel('HITS',self,'hitsLabel')
  202. shotsLeftL = TQLabel('SHOTS LEFT',self,'shotsleftLabel')
  203. grid = TQGridLayout(self,2,2,10)
  204. grid.addWidget(quit,0,0)
  205. grid.addWidget(self.cannonField,1,1)
  206. grid.setColStretch(1,10)
  207. leftBox = TQVBoxLayout()
  208. grid.addLayout(leftBox,1,0)
  209. leftBox.addWidget(self.angle)
  210. leftBox.addWidget(self.force)
  211. topBox = TQHBoxLayout()
  212. grid.addLayout(topBox,0,1)
  213. topBox.addWidget(self.shoot)
  214. topBox.addWidget(self.hits)
  215. topBox.addWidget(hitsL)
  216. topBox.addWidget(self.shotsLeft)
  217. topBox.addWidget(shotsLeftL)
  218. topBox.addStretch(1)
  219. topBox.addWidget(restart)
  220. self.angle.setValue(60)
  221. self.force.setValue(25)
  222. self.angle.setFocus()
  223. self.newGame()
  224. def fire(self):
  225. if self.cannonField.gameOver() or self.cannonField.isShooting():
  226. return
  227. self.shotsLeft.display(self.shotsLeft.intValue() - 1)
  228. self.cannonField.shoot()
  229. def hit(self):
  230. self.hits.display(self.hits.intValue() + 1)
  231. if self.shotsLeft.intValue() == 0:
  232. self.cannonField.setGameOver()
  233. else:
  234. self.cannonField.newTarget()
  235. def missed(self):
  236. if self.shotsLeft.intValue() == 0:
  237. self.cannonField.setGameOver()
  238. def newGame(self):
  239. self.shotsLeft.display(15)
  240. self.hits.display(0)
  241. self.cannonField.restartGame()
  242. self.cannonField.newTarget()
  243. TQApplication.setColorSpec(TQApplication.CustomColor)
  244. a = TQApplication(sys.argv)
  245. gb = GameBoard()
  246. gb.setGeometry(100,100,500,355)
  247. a.setMainWidget(gb)
  248. gb.show()
  249. a.exec_loop()