added styling options and rearranged preferences

ui/styling.cpp

@@ -0,0 +1,24 @@
+#include "styling.h"
+
+#include "global/config.h"
+
+bool olive::styling::UseDarkIcons()
+{
+  return olive::CurrentConfig.style == kOliveDefaultLight || olive::CurrentConfig.style == kNativeDarkIcons;
+}
+
+QColor olive::styling::GetIconColor()
+{
+  if (UseDarkIcons()) {
+    return Qt::black;
+  } else {
+    return Qt::white;
+  }
+}
+
+
+
+bool olive::styling::UseNativeUI()
+{
+  return olive::CurrentConfig.style == kNativeLightIcons || olive::CurrentConfig.style == kNativeDarkIcons;
+}