layout:update default color scheme ref properly

app/layout/abstractlayout.cpp

@@ -382,7 +382,8 @@ void AbstractLayout::loadConfig()
     m_color = m_layoutGroup.readEntry("color", QString("blue"));
     m_backgroundStyle = static_cast<BackgroundStyle>(m_layoutGroup.readEntry("backgroundStyle", (int)ColorBackgroundStyle));
 
-    m_schemeFile = m_layoutGroup.readEntry("schemeFile", Data::Layout::DEFAULTSCHEMEFILE);
+    m_schemeFile = m_layoutGroup.readEntry("schemeFile", QString(Data::Layout::DEFAULTSCHEMEFILE));
+    m_schemeFile = m_schemeFile.isEmpty() ? Data::Layout::DEFAULTSCHEMEFILE : m_schemeFile;
 
     QString deprecatedTextColor = m_layoutGroup.readEntry("textColor", QString());
     QString deprecatedBackground = m_layoutGroup.readEntry("background", QString());

app/layout/centrallayout.cpp

@@ -55,6 +55,7 @@ void CentralLayout::initToCorona(Latte::Corona *corona)
                 m_corona->layoutsManager()->synchronizer(), &Layouts::Synchronizer::updateKWinDisabledBorders);
 
         connect(this, &Layout::AbstractLayout::schemeFileChanged, this, &CentralLayout::onSchemeFileChanged);
+        connect(m_corona->wm()->schemesTracker(), &WindowSystem::Tracker::Schemes::defaultSchemeChanged, this, &CentralLayout::onSchemeFileChanged);
     }
 }
 

app/wm/tracker/schemes.cpp

@@ -89,6 +89,8 @@ void Schemes::updateDefaultScheme()
     if (!m_schemes.contains("kdeglobals") || m_schemes["kdeglobals"]->schemeFile() != defaultSchemePath) {
         m_schemes["kdeglobals"] = dScheme;
     }
+
+    emit defaultSchemeChanged();
 }
 
 SchemeColors *Schemes::schemeForFile(const QString &scheme)

app/wm/tracker/schemes.h

@@ -38,6 +38,7 @@ public:
 
 signals:
     void colorSchemeChanged(const WindowId &wid);
+    void defaultSchemeChanged();
 
 private slots:
     void updateDefaultScheme();

containment/package/contents/ui/colorizer/Manager.qml

@@ -96,6 +96,8 @@ Loader{
                 return themeExtended.lightTheme;
             } else if (root.themeColors === LatteContainment.Types.ReverseThemeColors) {
                 return themeExtended.isLightTheme ? themeExtended.darkTheme : themeExtended.lightTheme;
+            } else if (root.themeColors === LatteContainment.Types.LayoutThemeColors && latteView && latteView.layout) {
+                return latteView.layout.scheme;
             }
 
             if (root.themeColors === LatteContainment.Types.SmartThemeColors) {