widgetgallery.cpp Example File

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#include <QtWidgets> #include "norwegianwoodstyle.h" #include "widgetgallery.h" WidgetGallery::WidgetGallery(QWidget *parent) : QDialog(parent) { originalPalette = QApplication::palette(); styleComboBox = new QComboBox; styleComboBox->addItem("NorwegianWood"); styleComboBox->addItems(QStyleFactory::keys()); styleLabel = new QLabel(tr("&Style:")); styleLabel->setBuddy(styleComboBox); useStylePaletteCheckBox = new QCheckBox(tr("&Use style's standard palette")); useStylePaletteCheckBox->setChecked(true); disableWidgetsCheckBox = new QCheckBox(tr("&Disable widgets")); createTopLeftGroupBox(); createTopRightGroupBox(); createBottomLeftTabWidget(); createBottomRightGroupBox(); createProgressBar(); connect(styleComboBox, SIGNAL(activated(QString)), this, SLOT(changeStyle(QString))); connect(useStylePaletteCheckBox, SIGNAL(toggled(bool)), this, SLOT(changePalette())); connect(disableWidgetsCheckBox, SIGNAL(toggled(bool)), topLeftGroupBox, SLOT(setDisabled(bool))); connect(disableWidgetsCheckBox, SIGNAL(toggled(bool)), topRightGroupBox, SLOT(setDisabled(bool))); connect(disableWidgetsCheckBox, SIGNAL(toggled(bool)), bottomLeftTabWidget, SLOT(setDisabled(bool))); connect(disableWidgetsCheckBox, SIGNAL(toggled(bool)), bottomRightGroupBox, SLOT(setDisabled(bool))); QHBoxLayout *topLayout = new QHBoxLayout; topLayout->addWidget(styleLabel); topLayout->addWidget(styleComboBox); topLayout->addStretch(1); topLayout->addWidget(useStylePaletteCheckBox); topLayout->addWidget(disableWidgetsCheckBox); QGridLayout *mainLayout = new QGridLayout; mainLayout->addLayout(topLayout, 0, 0, 1, 2); mainLayout->addWidget(topLeftGroupBox, 1, 0); mainLayout->addWidget(topRightGroupBox, 1, 1); mainLayout->addWidget(bottomLeftTabWidget, 2, 0); mainLayout->addWidget(bottomRightGroupBox, 2, 1); mainLayout->addWidget(progressBar, 3, 0, 1, 2); mainLayout->setRowStretch(1, 1); mainLayout->setRowStretch(2, 1); mainLayout->setColumnStretch(0, 1); mainLayout->setColumnStretch(1, 1); setLayout(mainLayout); setWindowTitle(tr("Styles")); changeStyle("NorwegianWood"); } void WidgetGallery::changeStyle(const QString &styleName) { if (styleName == "NorwegianWood") { QApplication::setStyle(new NorwegianWoodStyle); } else { QApplication::setStyle(QStyleFactory::create(styleName)); } changePalette(); } void WidgetGallery::changePalette() { if (useStylePaletteCheckBox->isChecked()) QApplication::setPalette(QApplication::style()->standardPalette()); else QApplication::setPalette(originalPalette); } void WidgetGallery::advanceProgressBar() { int curVal = progressBar->value(); int maxVal = progressBar->maximum(); progressBar->setValue(curVal + (maxVal - curVal) / 100); } void WidgetGallery::createTopLeftGroupBox() { topLeftGroupBox = new QGroupBox(tr("Group 1")); radioButton1 = new QRadioButton(tr("Radio button 1")); radioButton2 = new QRadioButton(tr("Radio button 2")); radioButton3 = new QRadioButton(tr("Radio button 3")); radioButton1->setChecked(true); checkBox = new QCheckBox(tr("Tri-state check box")); checkBox->setTristate(true); checkBox->setCheckState(Qt::PartiallyChecked); QVBoxLayout *layout = new QVBoxLayout; layout->addWidget(radioButton1); layout->addWidget(radioButton2); layout->addWidget(radioButton3); layout->addWidget(checkBox); layout->addStretch(1); topLeftGroupBox->setLayout(layout); } void WidgetGallery::createTopRightGroupBox() { topRightGroupBox = new QGroupBox(tr("Group 2")); defaultPushButton = new QPushButton(tr("Default Push Button")); defaultPushButton->setDefault(true); togglePushButton = new QPushButton(tr("Toggle Push Button")); togglePushButton->setCheckable(true); togglePushButton->setChecked(true); flatPushButton = new QPushButton(tr("Flat Push Button")); flatPushButton->setFlat(true); QVBoxLayout *layout = new QVBoxLayout; layout->addWidget(defaultPushButton); layout->addWidget(togglePushButton); layout->addWidget(flatPushButton); layout->addStretch(1); topRightGroupBox->setLayout(layout); } void WidgetGallery::createBottomLeftTabWidget() { bottomLeftTabWidget = new QTabWidget; bottomLeftTabWidget->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Ignored); QWidget *tab1 = new QWidget; tableWidget = new QTableWidget(10, 10); QHBoxLayout *tab1hbox = new QHBoxLayout; tab1hbox->setMargin(5); tab1hbox->addWidget(tableWidget); tab1->setLayout(tab1hbox); QWidget *tab2 = new QWidget; textEdit = new QTextEdit; textEdit->setPlainText(tr("Twinkle, twinkle, little star,\n" "How I wonder what you are.\n" "Up above the world so high,\n" "Like a diamond in the sky.\n" "Twinkle, twinkle, little star,\n" "How I wonder what you are!\n")); QHBoxLayout *tab2hbox = new QHBoxLayout; tab2hbox->setMargin(5); tab2hbox->addWidget(textEdit); tab2->setLayout(tab2hbox); bottomLeftTabWidget->addTab(tab1, tr("&Table")); bottomLeftTabWidget->addTab(tab2, tr("Text &Edit")); } void WidgetGallery::createBottomRightGroupBox() { bottomRightGroupBox = new QGroupBox(tr("Group 3")); bottomRightGroupBox->setCheckable(true); bottomRightGroupBox->setChecked(true); lineEdit = new QLineEdit("s3cRe7"); lineEdit->setEchoMode(QLineEdit::Password); spinBox = new QSpinBox(bottomRightGroupBox); spinBox->setValue(50); dateTimeEdit = new QDateTimeEdit(bottomRightGroupBox); dateTimeEdit->setDateTime(QDateTime::currentDateTime()); slider = new QSlider(Qt::Horizontal, bottomRightGroupBox); slider->setValue(40); scrollBar = new QScrollBar(Qt::Horizontal, bottomRightGroupBox); scrollBar->setValue(60); dial = new QDial(bottomRightGroupBox); dial->setValue(30); dial->setNotchesVisible(true); QGridLayout *layout = new QGridLayout; layout->addWidget(lineEdit, 0, 0, 1, 2); layout->addWidget(spinBox, 1, 0, 1, 2); layout->addWidget(dateTimeEdit, 2, 0, 1, 2); layout->addWidget(slider, 3, 0); layout->addWidget(scrollBar, 4, 0); layout->addWidget(dial, 3, 1, 2, 1); layout->setRowStretch(5, 1); bottomRightGroupBox->setLayout(layout); } void WidgetGallery::createProgressBar() { progressBar = new QProgressBar; progressBar->setRange(0, 10000); progressBar->setValue(0); QTimer *timer = new QTimer(this); connect(timer, SIGNAL(timeout()), this, SLOT(advanceProgressBar())); timer->start(1000); }

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