#!/usr/bin/env python ############################################################################# ## ## Copyright (C) 2010 Riverbank Computing Limited. ## Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ## All rights reserved. ## ## This file is part of the examples of PyQt. ## ## $QT_BEGIN_LICENSE:BSD$ ## 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 Nokia Corporation and its Subsidiary(-ies) 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." ## $QT_END_LICENSE$ ## ############################################################################# from PyQt4 import QtCore, QtGui class SlidersGroup(QtGui.QGroupBox): valueChanged = QtCore.pyqtSignal(int) def __init__(self, orientation, title, parent=None): super(SlidersGroup, self).__init__(title, parent) self.slider = QtGui.QSlider(orientation) self.slider.setFocusPolicy(QtCore.Qt.StrongFocus) self.slider.setTickPosition(QtGui.QSlider.TicksBothSides) self.slider.setTickInterval(10) self.slider.setSingleStep(1) self.scrollBar = QtGui.QScrollBar(orientation) self.scrollBar.setFocusPolicy(QtCore.Qt.StrongFocus) self.dial = QtGui.QDial() self.dial.setFocusPolicy(QtCore.Qt.StrongFocus) self.slider.valueChanged.connect(self.scrollBar.setValue) self.scrollBar.valueChanged.connect(self.dial.setValue) self.dial.valueChanged.connect(self.slider.setValue) self.dial.valueChanged.connect(self.valueChanged) if orientation == QtCore.Qt.Horizontal: direction = QtGui.QBoxLayout.TopToBottom else: direction = QtGui.QBoxLayout.LeftToRight slidersLayout = QtGui.QBoxLayout(direction) slidersLayout.addWidget(self.slider) slidersLayout.addWidget(self.scrollBar) slidersLayout.addWidget(self.dial) self.setLayout(slidersLayout) def setValue(self, value): self.slider.setValue(value) def setMinimum(self, value): self.slider.setMinimum(value) self.scrollBar.setMinimum(value) self.dial.setMinimum(value) def setMaximum(self, value): self.slider.setMaximum(value) self.scrollBar.setMaximum(value) self.dial.setMaximum(value) def invertAppearance(self, invert): self.slider.setInvertedAppearance(invert) self.scrollBar.setInvertedAppearance(invert) self.dial.setInvertedAppearance(invert) def invertKeyBindings(self, invert): self.slider.setInvertedControls(invert) self.scrollBar.setInvertedControls(invert) self.dial.setInvertedControls(invert) class Window(QtGui.QWidget): def __init__(self): super(Window, self).__init__() self.horizontalSliders = SlidersGroup(QtCore.Qt.Horizontal, "Horizontal") self.verticalSliders = SlidersGroup(QtCore.Qt.Vertical, "Vertical") self.stackedWidget = QtGui.QStackedWidget() self.stackedWidget.addWidget(self.horizontalSliders) self.stackedWidget.addWidget(self.verticalSliders) self.createControls("Controls") self.horizontalSliders.valueChanged.connect(self.verticalSliders.setValue) self.verticalSliders.valueChanged.connect(self.valueSpinBox.setValue) self.valueSpinBox.valueChanged.connect(self.horizontalSliders.setValue) layout = QtGui.QHBoxLayout() layout.addWidget(self.controlsGroup) layout.addWidget(self.stackedWidget) self.setLayout(layout) self.minimumSpinBox.setValue(0) self.maximumSpinBox.setValue(20) self.valueSpinBox.setValue(5) self.setWindowTitle("Sliders") def createControls(self, title): self.controlsGroup = QtGui.QGroupBox(title) minimumLabel = QtGui.QLabel("Minimum value:") maximumLabel = QtGui.QLabel("Maximum value:") valueLabel = QtGui.QLabel("Current value:") invertedAppearance = QtGui.QCheckBox("Inverted appearance") invertedKeyBindings = QtGui.QCheckBox("Inverted key bindings") self.minimumSpinBox = QtGui.QSpinBox() self.minimumSpinBox.setRange(-100, 100) self.minimumSpinBox.setSingleStep(1) self.maximumSpinBox = QtGui.QSpinBox() self.maximumSpinBox.setRange(-100, 100) self.maximumSpinBox.setSingleStep(1) self.valueSpinBox = QtGui.QSpinBox() self.valueSpinBox.setRange(-100, 100) self.valueSpinBox.setSingleStep(1) orientationCombo = QtGui.QComboBox() orientationCombo.addItem("Horizontal slider-like widgets") orientationCombo.addItem("Vertical slider-like widgets") orientationCombo.activated.connect(self.stackedWidget.setCurrentIndex) self.minimumSpinBox.valueChanged.connect(self.horizontalSliders.setMinimum) self.minimumSpinBox.valueChanged.connect(self.verticalSliders.setMinimum) self.maximumSpinBox.valueChanged.connect(self.horizontalSliders.setMaximum) self.maximumSpinBox.valueChanged.connect(self.verticalSliders.setMaximum) invertedAppearance.toggled.connect(self.horizontalSliders.invertAppearance) invertedAppearance.toggled.connect(self.verticalSliders.invertAppearance) invertedKeyBindings.toggled.connect(self.horizontalSliders.invertKeyBindings) invertedKeyBindings.toggled.connect(self.verticalSliders.invertKeyBindings) controlsLayout = QtGui.QGridLayout() controlsLayout.addWidget(minimumLabel, 0, 0) controlsLayout.addWidget(maximumLabel, 1, 0) controlsLayout.addWidget(valueLabel, 2, 0) controlsLayout.addWidget(self.minimumSpinBox, 0, 1) controlsLayout.addWidget(self.maximumSpinBox, 1, 1) controlsLayout.addWidget(self.valueSpinBox, 2, 1) controlsLayout.addWidget(invertedAppearance, 0, 2) controlsLayout.addWidget(invertedKeyBindings, 1, 2) controlsLayout.addWidget(orientationCombo, 3, 0, 1, 3) self.controlsGroup.setLayout(controlsLayout) if __name__ == '__main__': import sys app = QtGui.QApplication(sys.argv) window = Window() window.show() sys.exit(app.exec_())