stylesheeteditor.cpp Example File

widgets/stylesheet/stylesheeteditor.cpp
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#include <QtWidgets> #include "stylesheeteditor.h" StyleSheetEditor::StyleSheetEditor(QWidget *parent) : QDialog(parent) { ui.setupUi(this); QRegularExpression regExp("^.(.*)\\+?Style$"); QString defaultStyle = QApplication::style()->metaObject()->className(); QRegularExpressionMatch match = regExp.match(defaultStyle); if (match.hasMatch()) defaultStyle = match.captured(1); ui.styleCombo->addItems(QStyleFactory::keys()); ui.styleCombo->setCurrentIndex(ui.styleCombo->findText(defaultStyle, Qt::MatchContains)); ui.styleSheetCombo->setCurrentIndex(ui.styleSheetCombo->findText("Coffee")); loadStyleSheet("Coffee"); } void StyleSheetEditor::on_styleCombo_activated(const QString &styleName) { qApp->setStyle(styleName); ui.applyButton->setEnabled(false); } void StyleSheetEditor::on_styleSheetCombo_activated(const QString &sheetName) { loadStyleSheet(sheetName); } void StyleSheetEditor::on_styleTextEdit_textChanged() { ui.applyButton->setEnabled(true); } void StyleSheetEditor::on_applyButton_clicked() { qApp->setStyleSheet(ui.styleTextEdit->toPlainText()); ui.applyButton->setEnabled(false); } void StyleSheetEditor::loadStyleSheet(const QString &sheetName) { QFile file(":/qss/" + sheetName.toLower() + ".qss"); file.open(QFile::ReadOnly); QString styleSheet = QString::fromLatin1(file.readAll()); ui.styleTextEdit->setPlainText(styleSheet); qApp->setStyleSheet(styleSheet); ui.applyButton->setEnabled(false); }