diff options
author | Friedemann Kleint <Friedemann.Kleint@qt.io> | 2018-01-05 15:58:35 +0100 |
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committer | Friedemann Kleint <Friedemann.Kleint@qt.io> | 2018-01-12 12:28:10 +0000 |
commit | 9f2a9aba3aff73e31ea15eb4a7a04b0e50f4ee4e (patch) | |
tree | 92dcb0c4f64df8a8375af2e1a9bb1170068c36b2 /examples/tutorial/t8.py | |
parent | 26c046e521c38bbfc3a263782a3bb74a7c1bf937 (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>
Diffstat (limited to 'examples/tutorial/t8.py')
-rw-r--r-- | examples/tutorial/t8.py | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/examples/tutorial/t8.py b/examples/tutorial/t8.py new file mode 100644 index 000000000..d023de154 --- /dev/null +++ b/examples/tutorial/t8.py @@ -0,0 +1,153 @@ +#!/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 8 + + +import sys +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) + def __init__(self, parent=None): + QtWidgets.QWidget.__init__(self, parent) + + self.currentAngle = 45 + 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 paintEvent(self, event): + painter = QtGui.QPainter(self) + painter.drawText(200, 200, "Angle = %d" % self.currentAngle) + + +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) + + cannonField = CannonField() + + self.connect(angle, QtCore.SIGNAL("valueChanged(int)"), + cannonField.setAngle) + self.connect(cannonField, QtCore.SIGNAL("angleChanged(int)"), + angle.setValue) + + gridLayout = QtWidgets.QGridLayout() + gridLayout.addWidget(quit, 0, 0) + gridLayout.addWidget(angle, 1, 0) + gridLayout.addWidget(cannonField, 1, 1, 2, 1) + gridLayout.setColumnStretch(1, 10) + self.setLayout(gridLayout) + + angle.setValue(60) + angle.setFocus() + + +app = QtWidgets.QApplication(sys.argv) +widget = MyWidget() +widget.setGeometry(100, 100, 500, 355) +widget.show() +sys.exit(app.exec_()) |