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authorFriedemann Kleint <Friedemann.Kleint@qt.io>2018-01-05 15:58:35 +0100
committerFriedemann Kleint <Friedemann.Kleint@qt.io>2018-01-12 12:28:10 +0000
commit9f2a9aba3aff73e31ea15eb4a7a04b0e50f4ee4e (patch)
tree92dcb0c4f64df8a8375af2e1a9bb1170068c36b2 /examples/tutorial/t11.py
parent26c046e521c38bbfc3a263782a3bb74a7c1bf937 (diff)
Move examples from submodule to pyside-setup
Move PySide2 examples that are owned by the Qt Company to a new examples directory. Done-with: Venugopal Shivashankar <Venugopal.Shivashankar@qt.io> Task-number: PYSIDE-363 Change-Id: I14099764d9eef2bc35e067086121427955862e3a Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
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+#!/usr/bin/env python
+
+#############################################################################
+##
+## Copyright (C) 2016 The Qt Company Ltd.
+## Contact: http://www.qt.io/licensing/
+##
+## This file is part of the PySide examples of the Qt Toolkit.
+##
+## $QT_BEGIN_LICENSE:BSD$
+## You may use this file under the terms of the BSD license as follows:
+##
+## "Redistribution and use in source and binary forms, with or without
+## modification, are permitted provided that the following conditions are
+## met:
+## * Redistributions of source code must retain the above copyright
+## notice, this list of conditions and the following disclaimer.
+## * Redistributions in binary form must reproduce the above copyright
+## notice, this list of conditions and the following disclaimer in
+## the documentation and/or other materials provided with the
+## distribution.
+## * Neither the name of The Qt Company Ltd nor the names of its
+## contributors may be used to endorse or promote products derived
+## from this software without specific prior written permission.
+##
+##
+## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+# PySide2 tutorial 11
+
+
+import sys
+import math
+from PySide2 import QtCore, QtGui, QtWidgets
+
+
+class LCDRange(QtWidgets.QWidget):
+ valueChanged = QtCore.Signal(int)
+ def __init__(self, parent=None):
+ QtWidgets.QWidget.__init__(self, parent)
+
+ lcd = QtWidgets.QLCDNumber(2)
+ self.slider = QtWidgets.QSlider(QtCore.Qt.Horizontal)
+ self.slider.setRange(0, 99)
+ self.slider.setValue(0)
+
+ self.connect(self.slider, QtCore.SIGNAL("valueChanged(int)"),
+ lcd, QtCore.SLOT("display(int)"))
+ self.connect(self.slider, QtCore.SIGNAL("valueChanged(int)"),
+ self, QtCore.SIGNAL("valueChanged(int)"))
+
+ layout = QtWidgets.QVBoxLayout()
+ layout.addWidget(lcd)
+ layout.addWidget(self.slider)
+ self.setLayout(layout)
+
+ self.setFocusProxy(self.slider)
+
+ def value(self):
+ return self.slider.value()
+
+ @QtCore.Slot(int)
+ def setValue(self, value):
+ self.slider.setValue(value)
+
+ def setRange(self, minValue, maxValue):
+ if minValue < 0 or maxValue > 99 or minValue > maxValue:
+ QtCore.qWarning("LCDRange::setRange(%d, %d)\n"
+ "\tRange must be 0..99\n"
+ "\tand minValue must not be greater than maxValue" % (minValue, maxValue))
+ return
+
+ self.slider.setRange(minValue, maxValue)
+
+
+class CannonField(QtWidgets.QWidget):
+ angleChanged = QtCore.Signal(int)
+ forceChanged = QtCore.Signal(int)
+ def __init__(self, parent=None):
+ QtWidgets.QWidget.__init__(self, parent)
+
+ self.currentAngle = 45
+ self.currentForce = 0
+ self.timerCount = 0
+ self.autoShootTimer = QtCore.QTimer(self)
+ self.connect(self.autoShootTimer, QtCore.SIGNAL("timeout()"),
+ self.moveShot)
+ self.shootAngle = 0
+ self.shootForce = 0
+ self.setPalette(QtGui.QPalette(QtGui.QColor(250, 250, 200)))
+ self.setAutoFillBackground(True)
+
+ def angle(self):
+ return self.currentAngle
+
+ @QtCore.Slot(int)
+ def setAngle(self, angle):
+ if angle < 5:
+ angle = 5
+ if angle > 70:
+ angle = 70;
+ if self.currentAngle == angle:
+ return
+ self.currentAngle = angle
+ self.update()
+ self.emit(QtCore.SIGNAL("angleChanged(int)"), self.currentAngle)
+
+ def force(self):
+ return self.currentForce
+
+ @QtCore.Slot(int)
+ def setForce(self, force):
+ if force < 0:
+ force = 0
+ if self.currentForce == force:
+ return
+ self.currentForce = force;
+ self.emit(QtCore.SIGNAL("forceChanged(int)"), self.currentForce)
+
+ @QtCore.Slot()
+ def shoot(self):
+ if self.autoShootTimer.isActive():
+ return
+ self.timerCount = 0
+ self.shootAngle = self.currentAngle
+ self.shootForce = self.currentForce
+ self.autoShootTimer.start(5)
+
+ @QtCore.Slot()
+ def moveShot(self):
+ region = QtGui.QRegion(self.shotRect())
+ self.timerCount += 1
+
+ shotR = self.shotRect()
+
+ if shotR.x() > self.width() or shotR.y() > self.height():
+ self.autoShootTimer.stop()
+ else:
+ region = region.united(QtGui.QRegion(shotR))
+
+ self.update(region)
+
+ def paintEvent(self, event):
+ painter = QtGui.QPainter(self)
+
+ self.paintCannon(painter)
+ if self.autoShootTimer.isActive():
+ self.paintShot(painter)
+
+ def paintShot(self, painter):
+ painter.setPen(QtCore.Qt.NoPen);
+ painter.setBrush(QtCore.Qt.black)
+ painter.drawRect(self.shotRect())
+
+ barrelRect = QtCore.QRect(33, -4, 15, 8)
+
+ def paintCannon(self, painter):
+ painter.setPen(QtCore.Qt.NoPen)
+ painter.setBrush(QtCore.Qt.blue)
+
+ painter.save()
+ painter.translate(0, self.height())
+ painter.drawPie(QtCore.QRect(-35, -35, 70, 70), 0, 90 * 16)
+ painter.rotate(-self.currentAngle)
+ painter.drawRect(CannonField.barrelRect)
+ painter.restore()
+
+ def cannonRect(self):
+ result = QtCore.QRect(0, 0, 50, 50)
+ result.moveBottomLeft(self.rect().bottomLect())
+ return result
+
+ def shotRect(self):
+ gravity = 4.0
+
+ time = self.timerCount / 40.0
+ velocity = self.shootForce
+ radians = self.shootAngle * 3.14159265 / 180
+
+ velx = velocity * math.cos(radians)
+ vely = velocity * math.sin(radians)
+ x0 = (CannonField.barrelRect.right() + 5) * math.cos(radians)
+ y0 = (CannonField.barrelRect.right() + 5) * math.sin(radians)
+ x = x0 + velx * time
+ y = y0 + vely * time - 0.5 * gravity * time * time
+
+ result = QtCore.QRect(0, 0, 6, 6)
+ result.moveCenter(QtCore.QPoint(round(x), self.height() - 1 - round(y)))
+ return result
+
+
+class MyWidget(QtWidgets.QWidget):
+ def __init__(self, parent=None):
+ QtWidgets.QWidget.__init__(self, parent)
+
+ quit = QtWidgets.QPushButton("&Quit")
+ quit.setFont(QtGui.QFont("Times", 18, QtGui.QFont.Bold))
+
+ self.connect(quit, QtCore.SIGNAL("clicked()"),
+ QtWidgets.qApp, QtCore.SLOT("quit()"))
+
+ angle = LCDRange()
+ angle.setRange(5, 70)
+
+ force = LCDRange()
+ force.setRange(10, 50)
+
+ cannonField = CannonField()
+
+ self.connect(angle, QtCore.SIGNAL("valueChanged(int)"),
+ cannonField.setAngle)
+ self.connect(cannonField, QtCore.SIGNAL("angleChanged(int)"),
+ angle.setValue)
+
+ self.connect(force, QtCore.SIGNAL("valueChanged(int)"),
+ cannonField.setForce)
+ self.connect(cannonField, QtCore.SIGNAL("forceChanged(int)"),
+ force.setValue)
+
+ shoot = QtWidgets.QPushButton("&Shoot")
+ shoot.setFont(QtGui.QFont("Times", 18, QtGui.QFont.Bold))
+
+ self.connect(shoot, QtCore.SIGNAL("clicked()"), cannonField.shoot)
+
+ topLayout = QtWidgets.QHBoxLayout()
+ topLayout.addWidget(shoot)
+ topLayout.addStretch(1)
+
+ leftLayout = QtWidgets.QVBoxLayout()
+ leftLayout.addWidget(angle)
+ leftLayout.addWidget(force)
+
+ gridLayout = QtWidgets.QGridLayout()
+ gridLayout.addWidget(quit, 0, 0)
+ gridLayout.addLayout(topLayout, 0, 1)
+ gridLayout.addLayout(leftLayout, 1, 0)
+ gridLayout.addWidget(cannonField, 1, 1, 2, 1)
+ gridLayout.setColumnStretch(1, 10)
+ self.setLayout(gridLayout)
+
+ angle.setValue(60)
+ force.setValue(25)
+ angle.setFocus()
+
+
+app = QtWidgets.QApplication(sys.argv)
+widget = MyWidget()
+widget.setGeometry(100, 100, 500, 355)
+widget.show()
+sys.exit(app.exec_())