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Diffstat (limited to 'python/pyqt/examples3/tut11.py')
| -rwxr-xr-x | python/pyqt/examples3/tut11.py | 213 |
1 files changed, 0 insertions, 213 deletions
diff --git a/python/pyqt/examples3/tut11.py b/python/pyqt/examples3/tut11.py deleted file mode 100755 index 95d50663..00000000 --- a/python/pyqt/examples3/tut11.py +++ /dev/null @@ -1,213 +0,0 @@ -#!/usr/bin/env python - -# Qt tutorial 11. - -import sys -import math -import qt - - -class LCDRange(qt.QVBox): - def __init__(self, parent=None, name=None): - qt.QVBox.__init__(self, parent, name) - - lcd = qt.QLCDNumber(2, self, "lcd") - self.slider = qt.QSlider(qt.Qt.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.QWidget): - def __init__(self, parent=None, name=None): - qt.QWidget.__init__(self, parent, name) - - self.ang = 45 - self.f = 0 - self.timerCount = 0 - - self.autoShootTimer = qt.QTimer(self, "movement handler") - self.connect(self.autoShootTimer, qt.SIGNAL("timeout()"), self.moveShot) - - self.shoot_ang = 0 - self.shoot_f = 0 - - self.setPalette(qt.QPalette(qt.QColor(250, 250, 200))) - - self.barrelRect = qt.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(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 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 = qt.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(qt.QRegion(shotR)) - - self.repaint(r) - - def paintEvent(self, ev): - updateR = ev.rect() - p = qt.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.Qt.black) - p.setPen(qt.Qt.NoPen) - p.drawRect(self.shotRect()) - - def paintCannon(self, p): - cr = self.cannonRect() - pix = qt.QPixmap(cr.size()) - pix.fill(self, cr.topLeft()) - - tmp = qt.QPainter(pix) - tmp.setBrush(qt.Qt.blue) - tmp.setPen(qt.Qt.NoPen) - - tmp.translate(0, pix.height() - 1) - tmp.drawPie(qt.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 = qt.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 = qt.QRect(0, 0, 6, 6) - r.moveCenter(qt.QPoint(x, self.height() - 1 - y)) - return r - - def sizePolicy(self): - return qt.QSizePolicy(qt.QSizePolicy.Expanding, qt.QSizePolicy.Expanding) - - -class MyWidget(qt.QWidget): - def __init__(self, parent=None, name=None): - qt.QWidget.__init__(self, parent, name) - - quit = qt.QPushButton("&Quit", self, "quit") - quit.setFont(qt.QFont("Times", 18, qt.QFont.Bold)) - self.connect(quit, qt.SIGNAL("clicked()"), qt.qApp, 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) - - shoot = qt.QPushButton("&Shoot", self, "shoot") - shoot.setFont(qt.QFont("Times", 18, qt.QFont.Bold)) - self.connect(shoot, qt.SIGNAL("clicked()"), self.cannonField.shoot) - - grid = qt.QGridLayout(self, 2, 2, 10) - - grid.addWidget(quit, 0, 0) - grid.addWidget(self.cannonField, 1, 1) - grid.setColStretch(1, 10) - - leftBox = qt.QVBoxLayout() - grid.addLayout(leftBox, 1, 0) - leftBox.addWidget(self.angle) - leftBox.addWidget(self.force) - - topBox = qt.QHBoxLayout() - grid.addLayout(topBox, 0, 1) - topBox.addWidget(shoot) - topBox.addStretch(1) - - self.angle.setValue(60) - self.force.setValue(25) - self.angle.setFocus() - - -qt.QApplication.setColorSpec(qt.QApplication.CustomColor) -a = qt.QApplication(sys.argv) - -w = MyWidget() -w.setGeometry(100, 100, 500, 355) -a.setMainWidget(w) -w.show() -sys.exit(a.exec_loop()) |