main.cpp 范例文件

scatter/main.cpp
/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the Qt Data Visualization module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:GPL$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 3 or (at your option) any later version ** approved by the KDE Free Qt Foundation. The licenses are as published by ** the Free Software Foundation and appearing in the file LICENSE.GPL3 ** included in the packaging of this file. Please review the following ** information to ensure the GNU General Public License requirements will ** be met: https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** ****************************************************************************/
#include "scatterdatamodifier.h" #include <QtWidgets/QApplication> #include <QtWidgets/QWidget> #include <QtWidgets/QHBoxLayout> #include <QtWidgets/QVBoxLayout> #include <QtWidgets/QPushButton> #include <QtWidgets/QCheckBox> #include <QtWidgets/QComboBox> #include <QtWidgets/QFontComboBox> #include <QtWidgets/QLabel> #include <QtWidgets/QMessageBox> #include <QtGui/QScreen> #include <QtGui/QFontDatabase> int main(int argc, char **argv) { QApplication app(argc, argv); Q3DScatter *graph = new Q3DScatter(); QWidget *container = QWidget::createWindowContainer(graph); if (!graph->hasContext()) { QMessageBox msgBox; msgBox.setText("Couldn't initialize the OpenGL context."); msgBox.exec(); return -1; } QSize screenSize = graph->screen()->size(); container->setMinimumSize(QSize(screenSize.width() / 2, screenSize.height() / 1.5)); container->setMaximumSize(screenSize); container->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding); container->setFocusPolicy(Qt::StrongFocus); QWidget *widget = new QWidget; QHBoxLayout *hLayout = new QHBoxLayout(widget); QVBoxLayout *vLayout = new QVBoxLayout(); hLayout->addWidget(container, 1); hLayout->addLayout(vLayout); widget->setWindowTitle(QStringLiteral("A Cosine Wave")); QComboBox *themeList = new QComboBox(widget); themeList->addItem(QStringLiteral("Qt")); themeList->addItem(QStringLiteral("Primary Colors")); themeList->addItem(QStringLiteral("Digia")); themeList->addItem(QStringLiteral("Stone Moss")); themeList->addItem(QStringLiteral("Army Blue")); themeList->addItem(QStringLiteral("Retro")); themeList->addItem(QStringLiteral("Ebony")); themeList->addItem(QStringLiteral("Isabelle")); themeList->setCurrentIndex(6); QPushButton *labelButton = new QPushButton(widget); labelButton->setText(QStringLiteral("Change label style")); QCheckBox *smoothCheckBox = new QCheckBox(widget); smoothCheckBox->setText(QStringLiteral("Smooth dots")); smoothCheckBox->setChecked(true); QComboBox *itemStyleList = new QComboBox(widget); itemStyleList->addItem(QStringLiteral("Sphere"), int(QAbstract3DSeries::MeshSphere)); itemStyleList->addItem(QStringLiteral("Cube"), int(QAbstract3DSeries::MeshCube)); itemStyleList->addItem(QStringLiteral("Minimal"), int(QAbstract3DSeries::MeshMinimal)); itemStyleList->addItem(QStringLiteral("Point"), int(QAbstract3DSeries::MeshPoint)); itemStyleList->setCurrentIndex(0); QPushButton *cameraButton = new QPushButton(widget); cameraButton->setText(QStringLiteral("Change camera preset")); QPushButton *itemCountButton = new QPushButton(widget); itemCountButton->setText(QStringLiteral("Toggle item count")); QCheckBox *backgroundCheckBox = new QCheckBox(widget); backgroundCheckBox->setText(QStringLiteral("Show background")); backgroundCheckBox->setChecked(true); QCheckBox *gridCheckBox = new QCheckBox(widget); gridCheckBox->setText(QStringLiteral("Show grid")); gridCheckBox->setChecked(true); QComboBox *shadowQuality = new QComboBox(widget); shadowQuality->addItem(QStringLiteral("None")); shadowQuality->addItem(QStringLiteral("Low")); shadowQuality->addItem(QStringLiteral("Medium")); shadowQuality->addItem(QStringLiteral("High")); shadowQuality->addItem(QStringLiteral("Low Soft")); shadowQuality->addItem(QStringLiteral("Medium Soft")); shadowQuality->addItem(QStringLiteral("High Soft")); shadowQuality->setCurrentIndex(4); QFontComboBox *fontList = new QFontComboBox(widget); fontList->setCurrentFont(QFont("Arial")); vLayout->addWidget(labelButton, 0, Qt::AlignTop); vLayout->addWidget(cameraButton, 0, Qt::AlignTop); vLayout->addWidget(itemCountButton, 0, Qt::AlignTop); vLayout->addWidget(backgroundCheckBox); vLayout->addWidget(gridCheckBox); vLayout->addWidget(smoothCheckBox, 0, Qt::AlignTop); vLayout->addWidget(new QLabel(QStringLiteral("Change dot style"))); vLayout->addWidget(itemStyleList); vLayout->addWidget(new QLabel(QStringLiteral("Change theme"))); vLayout->addWidget(themeList); vLayout->addWidget(new QLabel(QStringLiteral("Adjust shadow quality"))); vLayout->addWidget(shadowQuality); vLayout->addWidget(new QLabel(QStringLiteral("Change font"))); vLayout->addWidget(fontList, 1, Qt::AlignTop); ScatterDataModifier *modifier = new ScatterDataModifier(graph); QObject::connect(cameraButton, &QPushButton::clicked, modifier, &ScatterDataModifier::changePresetCamera); QObject::connect(labelButton, &QPushButton::clicked, modifier, &ScatterDataModifier::changeLabelStyle); QObject::connect(itemCountButton, &QPushButton::clicked, modifier, &ScatterDataModifier::toggleItemCount); QObject::connect(backgroundCheckBox, &QCheckBox::stateChanged, modifier, &ScatterDataModifier::setBackgroundEnabled); QObject::connect(gridCheckBox, &QCheckBox::stateChanged, modifier, &ScatterDataModifier::setGridEnabled); QObject::connect(smoothCheckBox, &QCheckBox::stateChanged, modifier, &ScatterDataModifier::setSmoothDots); QObject::connect(modifier, &ScatterDataModifier::backgroundEnabledChanged, backgroundCheckBox, &QCheckBox::setChecked); QObject::connect(modifier, &ScatterDataModifier::gridEnabledChanged, gridCheckBox, &QCheckBox::setChecked); QObject::connect(itemStyleList, SIGNAL(currentIndexChanged(int)), modifier, SLOT(changeStyle(int))); QObject::connect(themeList, SIGNAL(currentIndexChanged(int)), modifier, SLOT(changeTheme(int))); QObject::connect(shadowQuality, SIGNAL(currentIndexChanged(int)), modifier, SLOT(changeShadowQuality(int))); QObject::connect(modifier, &ScatterDataModifier::shadowQualityChanged, shadowQuality, &QComboBox::setCurrentIndex); QObject::connect(graph, &Q3DScatter::shadowQualityChanged, modifier, &ScatterDataModifier::shadowQualityUpdatedByVisual); QObject::connect(fontList, &QFontComboBox::currentFontChanged, modifier, &ScatterDataModifier::changeFont); QObject::connect(modifier, &ScatterDataModifier::fontChanged, fontList, &QFontComboBox::setCurrentFont); widget->show(); return app.exec(); }