Differential D25594 Diff 70502 kcms/style/previewitem.cpp

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kcms/style/previewitem.cpp

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85 emit styleNameChanged(); 85​ emit styleNameChanged();
86} 86​}
87 87​
88bool PreviewItem::isValid() const 88​bool PreviewItem::isValid() const
89{ 89​{
90 return m_style && m_widget; 90​ return m_style && m_widget;
91} 91​}
92 92​
93void setStyleRecursively(QWidget *widget, QStyle *style) 93​void setStyleRecursively(QWidget *widget, QStyle *style, const QPalette &palette)
94{ 94​{
95 // Don't let styles kill the palette for other styles being previewed. 95​ // Don't let styles kill the palette for other styles being previewed.
96 widget->setPalette(QPalette()); 96​ widget->setPalette(QPalette());
97 97​ widget->setPalette(palette);
98 QPalette newPalette(KColorScheme::createApplicationPalette(KSharedConfig::openConfig())); ​
99 style->polish(newPalette); ​
100 ​
101 widget->setPalette(newPalette); ​
102 98​
103 widget->setStyle(style); 99​ widget->setStyle(style);
104 100​
105 const auto children = widget->children(); 101​ const auto children = widget->children();
106 for (QObject *child : children) { 102​ for (QObject *child : children) {
107 if (child->isWidgetType()) { 103​ if (child->isWidgetType()) {
108 setStyleRecursively(static_cast<QWidget *>(child), style); 104​ setStyleRecursively(static_cast<QWidget *>(child), style, palette);
109 } 105​ }
110 } 106​ }
111} 107​}
112 108​
113void PreviewItem::reload() 109​void PreviewItem::reload()
114{ 110​{
115 if (!isComponentComplete()) { 111​ if (!isComponentComplete()) {
116 return; 112​ return;
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133 // Do not wait for this widget to close before the app closes 129​ // Do not wait for this widget to close before the app closes
134 m_widget->setAttribute(Qt::WA_QuitOnClose, false); 130​ m_widget->setAttribute(Qt::WA_QuitOnClose, false);
135 131​
136 m_ui.setupUi(m_widget.data()); 132​ m_ui.setupUi(m_widget.data());
137 133​
138 // Prevent Qt from wrongly caching radio button images 134​ // Prevent Qt from wrongly caching radio button images
139 QPixmapCache::clear(); 135​ QPixmapCache::clear();
140 136​
141 setStyleRecursively(m_widget.data(), m_style.data()); 137​ QPalette palette(KColorScheme::createApplicationPalette(KSharedConfig::openConfig()));
138​ m_style->polish(palette);
139​
140​ // HACK Needed so the previews look like their window is active
141​ // The previews don't have a parent (we're in QML, after all, there is no QWidget* to parent it to)
142​ // so QWidget::isActiveWindow() always returns false making the widget look dull
143​ // You still won't get hover effects in some themes (those that don't do that for inactive windows)
144​ // but at least at a glance it looks fine...
145​ for (int i = 0; i < QPalette::NColorRoles; ++i) {
146​ const auto role = static_cast<QPalette::ColorRole>(i);
147​ palette.setColor(QPalette::Inactive, role, palette.color(QPalette::Active, role));
148​ }
149​
150​ setStyleRecursively(m_widget.data(), m_style.data(), palette);
142 151​
143 m_widget->ensurePolished(); 152​ m_widget->ensurePolished();
144 153​
145 const auto sizeHint = m_widget->sizeHint(); 154​ const auto sizeHint = m_widget->sizeHint();
146 setImplicitSize(sizeHint.width(), sizeHint.height()); 155​ setImplicitSize(sizeHint.width(), sizeHint.height());
147 156​
148 m_widget->resize(qRound(width()), qRound(height())); 157​ m_widget->resize(qRound(width()), qRound(height()));
149 158​
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