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Diffstat (limited to 'python/pyqt/examples2/tut11.py')
| -rwxr-xr-x | python/pyqt/examples2/tut11.py | 213 |
1 files changed, 0 insertions, 213 deletions
diff --git a/python/pyqt/examples2/tut11.py b/python/pyqt/examples2/tut11.py deleted file mode 100755 index 32fb436d..00000000 --- a/python/pyqt/examples2/tut11.py +++ /dev/null @@ -1,213 +0,0 @@ -#!/usr/bin/env python - -# Qt tutorial 11. - -import sys -import math -from qt import * - - -class LCDRange(QVBox): - def __init__(self,parent=None,name=None): - QVBox.__init__(self,parent,name) - - lcd = QLCDNumber(2,self,'lcd') - self.slider = QSlider(Qt.Horizontal,self,'slider') - self.slider.setRange(0,99) - self.slider.setValue(0) - 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) - - 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(QWidget): - def __init__(self,parent=None,name=None): - QWidget.__init__(self,parent,name) - - self.ang = 45 - self.f = 0 - self.timerCount = 0 - - self.autoShootTimer = QTimer(self,'movement handler') - self.connect(self.autoShootTimer,SIGNAL('timeout()'),self.moveShot) - - self.shoot_ang = 0 - self.shoot_f = 0 - - self.setPalette(QPalette(QColor(250,250,200))) - - self.barrelRect = QRect(33,-4,15,8) - - 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.autoShootTimer.isActive(): - return - - self.timerCount = 0 - self.shoot_ang = self.ang - self.shoot_f = self.f - self.autoShootTimer.start(50) - - def moveShot(self): - r = QRegion(self.shotRect()) - self.timerCount = self.timerCount + 1 - - shotR = self.shotRect() - - if shotR.x() > self.width() or shotR.y() > self.height(): - self.autoShootTimer.stop() - else: - r = r.unite(QRegion(shotR)) - - self.repaint(r) - - def paintEvent(self,ev): - updateR = ev.rect() - p = QPainter(self) - - if updateR.intersects(self.cannonRect()): - self.paintCannon(p) - - if self.autoShootTimer.isActive() and updateR.intersects(self.shotRect()): - self.paintShot(p) - - def paintShot(self,p): - p.setBrush(Qt.black) - p.setPen(Qt.NoPen) - p.drawRect(self.shotRect()) - - def paintCannon(self,p): - cr = self.cannonRect() - pix = QPixmap(cr.size()) - pix.fill(self,cr.topLeft()) - - tmp = QPainter(pix) - tmp.setBrush(Qt.blue) - tmp.setPen(Qt.NoPen) - - tmp.translate(0,pix.height() - 1) - tmp.drawPie(QRect(-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 = QRect(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 = QRect(0,0,6,6) - r.moveCenter(QPoint(x,self.height() - 1 - y)) - return r - - def sizePolicy(self): - return QSizePolicy(QSizePolicy.Expanding,QSizePolicy.Expanding) - - -class MyWidget(QWidget): - def __init__(self,parent=None,name=None): - QWidget.__init__(self,parent,name) - - quit = QPushButton('&Quit',self,'quit') - quit.setFont(QFont('Times',18,QFont.Bold)) - self.connect(quit,SIGNAL('clicked()'),qApp,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,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) - - shoot = QPushButton('&Shoot',self,'shoot') - shoot.setFont(QFont('Times',18,QFont.Bold)) - self.connect(shoot,SIGNAL('clicked()'),self.cannonField.shoot) - - grid = QGridLayout(self,2,2,10) - - grid.addWidget(quit,0,0) - grid.addWidget(self.cannonField,1,1) - grid.setColStretch(1,10) - - leftBox = QVBoxLayout() - grid.addLayout(leftBox,1,0) - leftBox.addWidget(self.angle) - leftBox.addWidget(self.force) - - topBox = QHBoxLayout() - grid.addLayout(topBox,0,1) - topBox.addWidget(shoot) - topBox.addStretch(1) - - self.angle.setValue(60) - self.force.setValue(25) - self.angle.setFocus() - - -QApplication.setColorSpec(QApplication.CustomColor) -a = QApplication(sys.argv) - -w = MyWidget() -w.setGeometry(100,100,500,355) -a.setMainWidget(w) -w.show() -a.exec_loop() |