diff options
-rw-r--r-- | src/widgets/kernel/qapplication.cpp | 49 |
1 files changed, 24 insertions, 25 deletions
diff --git a/src/widgets/kernel/qapplication.cpp b/src/widgets/kernel/qapplication.cpp index fc3b73924e..1f26e6e41c 100644 --- a/src/widgets/kernel/qapplication.cpp +++ b/src/widgets/kernel/qapplication.cpp @@ -1030,46 +1030,45 @@ void QApplication::setStyleSheet(const QString& styleSheet) */ QStyle *QApplication::style() { - if (QApplicationPrivate::app_style) - return QApplicationPrivate::app_style; - if (!qobject_cast<QApplication *>(QCoreApplication::instance())) { - Q_ASSERT(!"No style available without QApplication!"); - return 0; - } - if (!QApplicationPrivate::app_style) { - // Compile-time search for default style - // - QStyle *&app_style = QApplicationPrivate::app_style; - if (!app_style) - app_style = QStyleFactory::create(QApplicationPrivate::desktopStyleKey()); + // Create default style + if (!qobject_cast<QApplication *>(QCoreApplication::instance())) { + Q_ASSERT(!"No style available without QApplication!"); + return nullptr; + } + + auto &defaultStyle = QApplicationPrivate::app_style; - if (!app_style) { + defaultStyle = QStyleFactory::create(QApplicationPrivate::desktopStyleKey()); + if (!defaultStyle) { const QStringList styles = QStyleFactory::keys(); for (const auto &style : styles) { - if ((app_style = QStyleFactory::create(style))) + if ((defaultStyle = QStyleFactory::create(style))) break; } } - if (!app_style) { + if (!defaultStyle) { Q_ASSERT(!"No styles available!"); return 0; } - } - // take ownership of the style - QApplicationPrivate::app_style->setParent(qApp); - initSystemPalette(); + // Take ownership of the style + defaultStyle->setParent(qApp); - if (QApplicationPrivate::set_pal) // repolish set palette with the new style - QApplication::setPalette(*QApplicationPrivate::set_pal); + initSystemPalette(); + + if (QApplicationPrivate::set_pal) // Re-polish set palette with the new style + QApplication::setPalette(*QApplicationPrivate::set_pal); #ifndef QT_NO_STYLE_STYLESHEET - if (!QApplicationPrivate::styleSheet.isEmpty()) { - qApp->setStyleSheet(QApplicationPrivate::styleSheet); - } else + if (!QApplicationPrivate::styleSheet.isEmpty()) { + qApp->setStyleSheet(QApplicationPrivate::styleSheet); + } else #endif - QApplicationPrivate::app_style->polish(qApp); + { + defaultStyle->polish(qApp); + } + } return QApplicationPrivate::app_style; } |