main.cpp Example File

bars/main.cpp
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 ** the Free Software Foundation and appearing in the file LICENSE.GPL3
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 #include "graphmodifier.h"

 #include <QtWidgets/QApplication>
 #include <QtWidgets/QWidget>
 #include <QtWidgets/QHBoxLayout>
 #include <QtWidgets/QVBoxLayout>
 #include <QtWidgets/QPushButton>
 #include <QtWidgets/QCheckBox>
 #include <QtWidgets/QSlider>
 #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);
     Q3DBars *widgetgraph = new Q3DBars();
     QWidget *container = QWidget::createWindowContainer(widgetgraph);

     if (!widgetgraph->hasContext()) {
         QMessageBox msgBox;
         msgBox.setText("Couldn't initialize the OpenGL context.");
         msgBox.exec();
         return -1;
     }

     QSize screenSize = widgetgraph->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("Average temperatures in Oulu and Helsinki, Finland (2006-2013)"));

     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(0);

     QPushButton *labelButton = new QPushButton(widget);
     labelButton->setText(QStringLiteral("Change label style"));

     QCheckBox *smoothCheckBox = new QCheckBox(widget);
     smoothCheckBox->setText(QStringLiteral("Smooth bars"));
     smoothCheckBox->setChecked(false);

     QComboBox *barStyleList = new QComboBox(widget);
     barStyleList->addItem(QStringLiteral("Bar"), int(QAbstract3DSeries::MeshBar));
     barStyleList->addItem(QStringLiteral("Pyramid"), int(QAbstract3DSeries::MeshPyramid));
     barStyleList->addItem(QStringLiteral("Cone"), int(QAbstract3DSeries::MeshCone));
     barStyleList->addItem(QStringLiteral("Cylinder"), int(QAbstract3DSeries::MeshCylinder));
     barStyleList->addItem(QStringLiteral("Bevel bar"), int(QAbstract3DSeries::MeshBevelBar));
     barStyleList->addItem(QStringLiteral("Sphere"), int(QAbstract3DSeries::MeshSphere));
     barStyleList->setCurrentIndex(4);

     QPushButton *cameraButton = new QPushButton(widget);
     cameraButton->setText(QStringLiteral("Change camera preset"));

     QPushButton *zoomToSelectedButton = new QPushButton(widget);
     zoomToSelectedButton->setText(QStringLiteral("Zoom to selected bar"));

     QComboBox *selectionModeList = new QComboBox(widget);
     selectionModeList->addItem(QStringLiteral("None"),
                                int(QAbstract3DGraph::SelectionNone));
     selectionModeList->addItem(QStringLiteral("Bar"),
                                int(QAbstract3DGraph::SelectionItem));
     selectionModeList->addItem(QStringLiteral("Row"),
                                int(QAbstract3DGraph::SelectionRow));
     selectionModeList->addItem(QStringLiteral("Bar and Row"),
                                int(QAbstract3DGraph::SelectionItemAndRow));
     selectionModeList->addItem(QStringLiteral("Column"),
                                int(QAbstract3DGraph::SelectionColumn));
     selectionModeList->addItem(QStringLiteral("Bar and Column"),
                                int(QAbstract3DGraph::SelectionItemAndColumn));
     selectionModeList->addItem(QStringLiteral("Row and Column"),
                                int(QAbstract3DGraph::SelectionRowAndColumn));
     selectionModeList->addItem(QStringLiteral("Bar, Row and Column"),
                                int(QAbstract3DGraph::SelectionItemRowAndColumn));
     selectionModeList->addItem(QStringLiteral("Slice into Row"),
                                int(QAbstract3DGraph::SelectionSlice | QAbstract3DGraph::SelectionRow));
     selectionModeList->addItem(QStringLiteral("Slice into Row and Item"),
                                int(QAbstract3DGraph::SelectionSlice | QAbstract3DGraph::SelectionItemAndRow));
     selectionModeList->addItem(QStringLiteral("Slice into Column"),
                                int(QAbstract3DGraph::SelectionSlice | QAbstract3DGraph::SelectionColumn));
     selectionModeList->addItem(QStringLiteral("Slice into Column and Item"),
                                int(QAbstract3DGraph::SelectionSlice | QAbstract3DGraph::SelectionItemAndColumn));
     selectionModeList->addItem(QStringLiteral("Multi: Bar, Row, Col"),
                                int(QAbstract3DGraph::SelectionItemRowAndColumn
                                    | QAbstract3DGraph::SelectionMultiSeries));
     selectionModeList->addItem(QStringLiteral("Multi, Slice: Row, Item"),
                                int(QAbstract3DGraph::SelectionSlice | QAbstract3DGraph::SelectionItemAndRow
                                    | QAbstract3DGraph::SelectionMultiSeries));
     selectionModeList->addItem(QStringLiteral("Multi, Slice: Col, Item"),
                                int(QAbstract3DGraph::SelectionSlice | QAbstract3DGraph::SelectionItemAndColumn
                                    | QAbstract3DGraph::SelectionMultiSeries));
     selectionModeList->setCurrentIndex(1);

     QCheckBox *backgroundCheckBox = new QCheckBox(widget);
     backgroundCheckBox->setText(QStringLiteral("Show background"));
     backgroundCheckBox->setChecked(false);

     QCheckBox *gridCheckBox = new QCheckBox(widget);
     gridCheckBox->setText(QStringLiteral("Show grid"));
     gridCheckBox->setChecked(true);

     QCheckBox *seriesCheckBox = new QCheckBox(widget);
     seriesCheckBox->setText(QStringLiteral("Show second series"));
     seriesCheckBox->setChecked(false);

     QCheckBox *reverseValueAxisCheckBox = new QCheckBox(widget);
     reverseValueAxisCheckBox->setText(QStringLiteral("Reverse value axis"));
     reverseValueAxisCheckBox->setChecked(false);

     QCheckBox *reflectionCheckBox = new QCheckBox(widget);
     reflectionCheckBox->setText(QStringLiteral("Show reflections"));
     reflectionCheckBox->setChecked(false);

     QSlider *rotationSliderX = new QSlider(Qt::Horizontal, widget);
     rotationSliderX->setTickInterval(30);
     rotationSliderX->setTickPosition(QSlider::TicksBelow);
     rotationSliderX->setMinimum(-180);
     rotationSliderX->setValue(0);
     rotationSliderX->setMaximum(180);
     QSlider *rotationSliderY = new QSlider(Qt::Horizontal, widget);
     rotationSliderY->setTickInterval(15);
     rotationSliderY->setTickPosition(QSlider::TicksAbove);
     rotationSliderY->setMinimum(-90);
     rotationSliderY->setValue(0);
     rotationSliderY->setMaximum(90);

     QSlider *fontSizeSlider = new QSlider(Qt::Horizontal, widget);
     fontSizeSlider->setTickInterval(10);
     fontSizeSlider->setTickPosition(QSlider::TicksBelow);
     fontSizeSlider->setMinimum(1);
     fontSizeSlider->setValue(30);
     fontSizeSlider->setMaximum(100);

     QFontComboBox *fontList = new QFontComboBox(widget);
     fontList->setCurrentFont(QFont("Times New Roman"));

     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(5);

     QComboBox *rangeList = new QComboBox(widget);
     rangeList->addItem(QStringLiteral("2006"));
     rangeList->addItem(QStringLiteral("2007"));
     rangeList->addItem(QStringLiteral("2008"));
     rangeList->addItem(QStringLiteral("2009"));
     rangeList->addItem(QStringLiteral("2010"));
     rangeList->addItem(QStringLiteral("2011"));
     rangeList->addItem(QStringLiteral("2012"));
     rangeList->addItem(QStringLiteral("2013"));
     rangeList->addItem(QStringLiteral("All"));
     rangeList->setCurrentIndex(8);

     QCheckBox *axisTitlesVisibleCB = new QCheckBox(widget);
     axisTitlesVisibleCB->setText(QStringLiteral("Axis titles visible"));
     axisTitlesVisibleCB->setChecked(true);

     QCheckBox *axisTitlesFixedCB = new QCheckBox(widget);
     axisTitlesFixedCB->setText(QStringLiteral("Axis titles fixed"));
     axisTitlesFixedCB->setChecked(true);

     QSlider *axisLabelRotationSlider = new QSlider(Qt::Horizontal, widget);
     axisLabelRotationSlider->setTickInterval(10);
     axisLabelRotationSlider->setTickPosition(QSlider::TicksBelow);
     axisLabelRotationSlider->setMinimum(0);
     axisLabelRotationSlider->setValue(30);
     axisLabelRotationSlider->setMaximum(90);

     vLayout->addWidget(new QLabel(QStringLiteral("Rotate horizontally")));
     vLayout->addWidget(rotationSliderX, 0, Qt::AlignTop);
     vLayout->addWidget(new QLabel(QStringLiteral("Rotate vertically")));
     vLayout->addWidget(rotationSliderY, 0, Qt::AlignTop);
     vLayout->addWidget(labelButton, 0, Qt::AlignTop);
     vLayout->addWidget(cameraButton, 0, Qt::AlignTop);
     vLayout->addWidget(zoomToSelectedButton, 0, Qt::AlignTop);
     vLayout->addWidget(backgroundCheckBox);
     vLayout->addWidget(gridCheckBox);
     vLayout->addWidget(smoothCheckBox);
     vLayout->addWidget(reflectionCheckBox);
     vLayout->addWidget(seriesCheckBox);
     vLayout->addWidget(reverseValueAxisCheckBox);
     vLayout->addWidget(axisTitlesVisibleCB);
     vLayout->addWidget(axisTitlesFixedCB);
     vLayout->addWidget(new QLabel(QStringLiteral("Show year")));
     vLayout->addWidget(rangeList);
     vLayout->addWidget(new QLabel(QStringLiteral("Change bar style")));
     vLayout->addWidget(barStyleList);
     vLayout->addWidget(new QLabel(QStringLiteral("Change selection mode")));
     vLayout->addWidget(selectionModeList);
     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);
     vLayout->addWidget(new QLabel(QStringLiteral("Adjust font size")));
     vLayout->addWidget(fontSizeSlider);
     vLayout->addWidget(new QLabel(QStringLiteral("Axis label rotation")));
     vLayout->addWidget(axisLabelRotationSlider, 1, Qt::AlignTop);

     GraphModifier *modifier = new GraphModifier(widgetgraph);

     QObject::connect(rotationSliderX, &QSlider::valueChanged, modifier, &GraphModifier::rotateX);
     QObject::connect(rotationSliderY, &QSlider::valueChanged, modifier, &GraphModifier::rotateY);

     QObject::connect(labelButton, &QPushButton::clicked, modifier,
                      &GraphModifier::changeLabelBackground);
     QObject::connect(cameraButton, &QPushButton::clicked, modifier,
                      &GraphModifier::changePresetCamera);
     QObject::connect(zoomToSelectedButton, &QPushButton::clicked, modifier,
                      &GraphModifier::zoomToSelectedBar);

     QObject::connect(backgroundCheckBox, &QCheckBox::stateChanged, modifier,
                      &GraphModifier::setBackgroundEnabled);
     QObject::connect(gridCheckBox, &QCheckBox::stateChanged, modifier,
                      &GraphModifier::setGridEnabled);
     QObject::connect(smoothCheckBox, &QCheckBox::stateChanged, modifier,
                      &GraphModifier::setSmoothBars);
     QObject::connect(seriesCheckBox, &QCheckBox::stateChanged, modifier,
                      &GraphModifier::setSeriesVisibility);
     QObject::connect(reverseValueAxisCheckBox, &QCheckBox::stateChanged, modifier,
                      &GraphModifier::setReverseValueAxis);
     QObject::connect(reflectionCheckBox, &QCheckBox::stateChanged, modifier,
                      &GraphModifier::setReflection);

     QObject::connect(modifier, &GraphModifier::backgroundEnabledChanged,
                      backgroundCheckBox, &QCheckBox::setChecked);
     QObject::connect(modifier, &GraphModifier::gridEnabledChanged,
                      gridCheckBox, &QCheckBox::setChecked);

     QObject::connect(rangeList, SIGNAL(currentIndexChanged(int)), modifier,
                      SLOT(changeRange(int)));

     QObject::connect(barStyleList, SIGNAL(currentIndexChanged(int)), modifier,
                      SLOT(changeStyle(int)));

     QObject::connect(selectionModeList, SIGNAL(currentIndexChanged(int)), modifier,
                      SLOT(changeSelectionMode(int)));

     QObject::connect(themeList, SIGNAL(currentIndexChanged(int)), modifier,
                      SLOT(changeTheme(int)));

     QObject::connect(shadowQuality, SIGNAL(currentIndexChanged(int)), modifier,
                      SLOT(changeShadowQuality(int)));

     QObject::connect(modifier, &GraphModifier::shadowQualityChanged, shadowQuality,
                      &QComboBox::setCurrentIndex);
     QObject::connect(widgetgraph, &Q3DBars::shadowQualityChanged, modifier,
                      &GraphModifier::shadowQualityUpdatedByVisual);

     QObject::connect(fontSizeSlider, &QSlider::valueChanged, modifier,
                      &GraphModifier::changeFontSize);
     QObject::connect(fontList, &QFontComboBox::currentFontChanged, modifier,
                      &GraphModifier::changeFont);

     QObject::connect(modifier, &GraphModifier::fontSizeChanged, fontSizeSlider,
                      &QSlider::setValue);
     QObject::connect(modifier, &GraphModifier::fontChanged, fontList,
                      &QFontComboBox::setCurrentFont);

     QObject::connect(axisTitlesVisibleCB, &QCheckBox::stateChanged, modifier,
                      &GraphModifier::setAxisTitleVisibility);
     QObject::connect(axisTitlesFixedCB, &QCheckBox::stateChanged, modifier,
                      &GraphModifier::setAxisTitleFixed);
     QObject::connect(axisLabelRotationSlider, &QSlider::valueChanged, modifier,
                      &GraphModifier::changeLabelRotation);
     widget->show();
     return app.exec();
 }