embeddeddialog.cpp Example File

graphicsview/embeddeddialogs/embeddeddialog.cpp
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#include "embeddeddialog.h" #include "ui_embeddeddialog.h" #include <QStyleFactory> EmbeddedDialog::EmbeddedDialog(QWidget *parent) : QDialog(parent) , ui(new Ui::EmbeddedDialog) { ui->setupUi(this); ui->layoutDirection->setCurrentIndex(layoutDirection() != Qt::LeftToRight); foreach (QString styleName, QStyleFactory::keys()) { ui->style->addItem(styleName); if (style()->objectName().toLower() == styleName.toLower()) ui->style->setCurrentIndex(ui->style->count() - 1); } connect(ui->layoutDirection, QOverload<int>::of(&QComboBox::activated), this, &EmbeddedDialog::layoutDirectionChanged); connect(ui->spacing, &QSlider::valueChanged, this, &EmbeddedDialog::spacingChanged); connect(ui->fontComboBox, &QFontComboBox::currentFontChanged, this, &EmbeddedDialog::fontChanged); connect(ui->style, QOverload<const QString &>::of(&QComboBox::activated), this, &EmbeddedDialog::styleChanged); } EmbeddedDialog::~EmbeddedDialog() { delete ui; } void EmbeddedDialog::layoutDirectionChanged(int index) { setLayoutDirection(index == 0 ? Qt::LeftToRight : Qt::RightToLeft); } void EmbeddedDialog::spacingChanged(int spacing) { layout()->setSpacing(spacing); adjustSize(); } void EmbeddedDialog::fontChanged(const QFont &font) { setFont(font); } static void setStyleHelper(QWidget *widget, QStyle *style) { widget->setStyle(style); widget->setPalette(style->standardPalette()); foreach (QObject *child, widget->children()) { if (QWidget *childWidget = qobject_cast<QWidget *>(child)) setStyleHelper(childWidget, style); } } void EmbeddedDialog::styleChanged(const QString &styleName) { QStyle *style = QStyleFactory::create(styleName); if (style) setStyleHelper(this, style); }