SIP4 python bindings for TQt
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tut14.py 11KB

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  1. #!/usr/bin/env python
  2. # TQt tutorial 14.
  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.barrelPressed = 0
  50. self.setPalette(TQPalette(TQColor(250,250,200)))
  51. self.barrelRect = TQRect(33,-4,15,8)
  52. self.newTarget()
  53. def angle(self):
  54. return self.ang
  55. def setAngle(self,degrees):
  56. if degrees < 5:
  57. degrees = 5
  58. if degrees > 70:
  59. degrees = 70
  60. if self.ang == degrees:
  61. return
  62. self.ang = degrees
  63. self.repaint(self.cannonRect(),0)
  64. self.emit(PYSIGNAL('angleChanged(int)'),(self.ang,))
  65. def force(self):
  66. return self.f
  67. def setForce(self,newton):
  68. if newton < 0:
  69. newton = 0
  70. if self.f == newton:
  71. return
  72. self.f = newton
  73. self.emit(PYSIGNAL('forceChanged(int)'),(self.f,))
  74. def shoot(self):
  75. if self.isShooting():
  76. return
  77. self.timerCount = 0
  78. self.shoot_ang = self.ang
  79. self.shoot_f = self.f
  80. self.autoShootTimer.start(50)
  81. self.emit(PYSIGNAL('canShoot(bool)'),(0,))
  82. def newTarget(self):
  83. r = TQRegion(self.targetRect())
  84. self.target = TQPoint(random.randint(200,390),random.randint(10,265))
  85. self.repaint(r.unite(TQRegion(self.targetRect())))
  86. def gameOver(self):
  87. return self.gameEnded
  88. def setGameOver(self):
  89. if self.gameEnded:
  90. return
  91. if self.isShooting():
  92. self.autoShootTime.stop()
  93. self.gameEnded = 1
  94. self.repaint()
  95. def restartGame(self):
  96. if self.isShooting():
  97. self.autoShootTime.stop()
  98. self.gameEnded = 0
  99. self.repaint()
  100. self.emit(PYSIGNAL('canShoot(bool)'),(1,))
  101. def moveShot(self):
  102. r = TQRegion(self.shotRect())
  103. self.timerCount = self.timerCount + 1
  104. shotR = self.shotRect()
  105. if shotR.intersects(self.targetRect()):
  106. self.autoShootTimer.stop()
  107. self.emit(PYSIGNAL('hit()'),())
  108. self.emit(PYSIGNAL('canShoot(bool)'),(1,))
  109. elif shotR.x() > self.width() or shotR.y() > self.height() or shotR.intersects(self.barrierRect()):
  110. self.autoShootTimer.stop()
  111. self.emit(PYSIGNAL('missed()'),())
  112. self.emit(PYSIGNAL('canShoot(bool)'),(1,))
  113. else:
  114. r = r.unite(TQRegion(shotR))
  115. self.repaint(r)
  116. def mousePressEvent(self,ev):
  117. if ev.button() != TQt.LeftButton:
  118. return
  119. if self.barrelHit(ev.pos()):
  120. self.barrelPressed = 1
  121. def mouseMoveEvent(self,ev):
  122. if not self.barrelPressed:
  123. return
  124. pnt = ev.pos()
  125. if pnt.x() <= 0:
  126. pnt.setX(1)
  127. if pnt.y() >= self.height():
  128. pnt.setY(self.height() - 1)
  129. rad = math.atan(float(self.rect().bottom() - pnt.y()) / pnt.x())
  130. self.setAngle(int(round(rad * 180 / math.pi)))
  131. def mouseReleaseEvent(self,ev):
  132. if ev.button() == TQt.LeftButton:
  133. self.barrelPressed = 0
  134. def paintEvent(self,ev):
  135. updateR = ev.rect()
  136. p = TQPainter(self)
  137. if self.gameEnded:
  138. p.setPen(TQt.black)
  139. p.setFont(TQFont('Courier',48,TQFont.Bold))
  140. p.drawText(self.rect(),TQt.AlignCenter,'Game Over')
  141. if updateR.intersects(self.cannonRect()):
  142. self.paintCannon(p)
  143. if updateR.intersects(self.barrierRect()):
  144. self.paintBarrier(p)
  145. if self.isShooting() and updateR.intersects(self.shotRect()):
  146. self.paintShot(p)
  147. if not self.gameEnded and updateR.intersects(self.targetRect()):
  148. self.paintTarget(p)
  149. def paintShot(self,p):
  150. p.setBrush(TQt.black)
  151. p.setPen(TQt.NoPen)
  152. p.drawRect(self.shotRect())
  153. def paintTarget(self,p):
  154. p.setBrush(TQt.red)
  155. p.setPen(TQt.black)
  156. p.drawRect(self.targetRect())
  157. def paintBarrier(self,p):
  158. p.setBrush(TQt.yellow)
  159. p.setPen(TQt.black)
  160. p.drawRect(self.barrierRect())
  161. def paintCannon(self,p):
  162. cr = self.cannonRect()
  163. pix = TQPixmap(cr.size())
  164. pix.fill(self,cr.topLeft())
  165. tmp = TQPainter(pix)
  166. tmp.setBrush(TQt.blue)
  167. tmp.setPen(TQt.NoPen)
  168. tmp.translate(0,pix.height() - 1)
  169. tmp.drawPie(TQRect(-35,-35,70,70),0,90 * 16)
  170. tmp.rotate(-self.ang)
  171. tmp.drawRect(self.barrelRect)
  172. tmp.end()
  173. p.drawPixmap(cr.topLeft(),pix)
  174. def cannonRect(self):
  175. r = TQRect(0,0,50,50)
  176. r.moveBottomLeft(self.rect().bottomLeft())
  177. return r
  178. def shotRect(self):
  179. gravity = 4.0
  180. time = self.timerCount / 4.0
  181. velocity = self.shoot_f
  182. radians = self.shoot_ang * math.pi / 180
  183. velx = velocity * math.cos(radians)
  184. vely = velocity * math.sin(radians)
  185. x0 = (self.barrelRect.right() + 5) * math.cos(radians)
  186. y0 = (self.barrelRect.right() + 5) * math.sin(radians)
  187. x = x0 + velx * time
  188. y = y0 + vely * time - 0.5 * gravity * time * time
  189. r = TQRect(0,0,6,6)
  190. r.moveCenter(TQPoint(x,self.height() - 1 - y))
  191. return r
  192. def targetRect(self):
  193. r = TQRect(0,0,20,10)
  194. r.moveCenter(TQPoint(self.target.x(),self.height() - 1 - self.target.y()))
  195. return r
  196. def barrierRect(self):
  197. return TQRect(145,self.height() - 100,15,100)
  198. def barrelHit(self,p):
  199. mtx = TQWMatrix()
  200. mtx.translate(0,self.height() - 1)
  201. mtx.rotate(-self.ang)
  202. (mtx, invertable) = mtx.invert()
  203. return self.barrelRect.contains(mtx.map(p))
  204. def isShooting(self):
  205. return self.autoShootTimer.isActive()
  206. def sizePolicy(self):
  207. return TQSizePolicy(TQSizePolicy.Expanding,TQSizePolicy.Expanding)
  208. class GameBoard(TQWidget):
  209. def __init__(self,parent=None,name=None):
  210. TQWidget.__init__(self,parent,name)
  211. quit = TQPushButton('&Quit',self,'quit')
  212. quit.setFont(TQFont('Times',18,TQFont.Bold))
  213. self.connect(quit,SIGNAL('clicked()'),tqApp,SLOT('quit()'))
  214. self.angle = LCDRange('ANGLE',self,'angle')
  215. self.angle.setRange(5,70)
  216. self.force = LCDRange('FORCE',self,'force')
  217. self.force.setRange(10,50)
  218. box = TQVBox(self,'cannonFrame')
  219. box.setFrameStyle(TQFrame.WinPanel | TQFrame.Sunken)
  220. self.cannonField = CannonField(box,'cannonField')
  221. self.connect(self.angle,PYSIGNAL('valueChanged(int)'),self.cannonField.setAngle)
  222. self.connect(self.cannonField,PYSIGNAL('angleChanged(int)'),self.angle.setValue)
  223. self.connect(self.force,PYSIGNAL('valueChanged(int)'),self.cannonField.setForce)
  224. self.connect(self.cannonField,PYSIGNAL('forceChanged(int)'),self.force.setValue)
  225. self.connect(self.cannonField,PYSIGNAL('hit()'),self.hit)
  226. self.connect(self.cannonField,PYSIGNAL('missed()'),self.missed)
  227. self.shoot = TQPushButton('&Shoot',self,'shoot')
  228. self.shoot.setFont(TQFont('Times',18,TQFont.Bold))
  229. self.connect(self.shoot,SIGNAL('clicked()'),self.fire)
  230. self.connect(self.cannonField,PYSIGNAL('canShoot(bool)'),self.shoot,SLOT('setEnabled(bool)'))
  231. restart = TQPushButton('&New Game',self,'newgame')
  232. restart.setFont(TQFont('Times',18,TQFont.Bold))
  233. self.connect(restart,SIGNAL('clicked()'),self.newGame)
  234. self.hits = TQLCDNumber(2,self,'hits')
  235. self.shotsLeft = TQLCDNumber(2,self,'shotsleft')
  236. hitsL = TQLabel('HITS',self,'hitsLabel')
  237. shotsLeftL = TQLabel('SHOTS LEFT',self,'shotsleftLabel')
  238. accel = TQAccel(self)
  239. accel.connectItem(accel.insertItem(TQt.Key_Enter),self.fire)
  240. accel.connectItem(accel.insertItem(TQt.Key_Return),self.fire)
  241. accel.connectItem(accel.insertItem(TQt.CTRL + TQt.Key_Q),tqApp,SLOT('quit()'))
  242. grid = TQGridLayout(self,2,2,10)
  243. grid.addWidget(quit,0,0)
  244. grid.addWidget(box,1,1)
  245. grid.setColStretch(1,10)
  246. leftBox = TQVBoxLayout()
  247. grid.addLayout(leftBox,1,0)
  248. leftBox.addWidget(self.angle)
  249. leftBox.addWidget(self.force)
  250. topBox = TQHBoxLayout()
  251. grid.addLayout(topBox,0,1)
  252. topBox.addWidget(self.shoot)
  253. topBox.addWidget(self.hits)
  254. topBox.addWidget(hitsL)
  255. topBox.addWidget(self.shotsLeft)
  256. topBox.addWidget(shotsLeftL)
  257. topBox.addStretch(1)
  258. topBox.addWidget(restart)
  259. self.angle.setValue(60)
  260. self.force.setValue(25)
  261. self.angle.setFocus()
  262. self.newGame()
  263. def fire(self):
  264. if self.cannonField.gameOver() or self.cannonField.isShooting():
  265. return
  266. self.shotsLeft.display(self.shotsLeft.intValue() - 1)
  267. self.cannonField.shoot()
  268. def hit(self):
  269. self.hits.display(self.hits.intValue() + 1)
  270. if self.shotsLeft.intValue() == 0:
  271. self.cannonField.setGameOver()
  272. else:
  273. self.cannonField.newTarget()
  274. def missed(self):
  275. if self.shotsLeft.intValue() == 0:
  276. self.cannonField.setGameOver()
  277. def newGame(self):
  278. self.shotsLeft.display(15)
  279. self.hits.display(0)
  280. self.cannonField.restartGame()
  281. self.cannonField.newTarget()
  282. TQApplication.setColorSpec(TQApplication.CustomColor)
  283. a = TQApplication(sys.argv)
  284. gb = GameBoard()
  285. gb.setGeometry(100,100,500,355)
  286. a.setMainWidget(gb)
  287. gb.show()
  288. a.exec_loop()