NOISSUE continue reshuffling the codebase

launcher/ui/themes/ITheme.cpp

@@ -0,0 +1,47 @@
+#include "ITheme.h"
+#include "rainbow.h"
+#include <QStyleFactory>
+#include <QDir>
+#include "Application.h"
+
+void ITheme::apply(bool)
+{
+    QApplication::setStyle(QStyleFactory::create(qtTheme()));
+    if(hasColorScheme())
+    {
+        QApplication::setPalette(colorScheme());
+    }
+    if(hasStyleSheet())
+    {
+        APPLICATION->setStyleSheet(appStyleSheet());
+    }
+    else
+    {
+        APPLICATION->setStyleSheet(QString());
+    }
+    QDir::setSearchPaths("theme", searchPaths());
+}
+
+QPalette ITheme::fadeInactive(QPalette in, qreal bias, QColor color)
+{
+    auto blend = [&in, bias, color](QPalette::ColorRole role)
+    {
+        QColor from = in.color(QPalette::Active, role);
+        QColor blended = Rainbow::mix(from, color, bias);
+        in.setColor(QPalette::Disabled, role, blended);
+    };
+    blend(QPalette::Window);
+    blend(QPalette::WindowText);
+    blend(QPalette::Base);
+    blend(QPalette::AlternateBase);
+    blend(QPalette::ToolTipBase);
+    blend(QPalette::ToolTipText);
+    blend(QPalette::Text);
+    blend(QPalette::Button);
+    blend(QPalette::ButtonText);
+    blend(QPalette::BrightText);
+    blend(QPalette::Link);
+    blend(QPalette::Highlight);
+    blend(QPalette::HighlightedText);
+    return in;
+}