plasma theme colors for !accelerated graphics

--fix also how accelerated graphics are identified
by using GraphicsInfo api

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

@@ -71,6 +71,10 @@ Loader{
                                                      && latteView.windowsTracker.currentScreen.touchingWindowScheme)
 
     property QtObject applyTheme: {
+        if (!graphicsSystem.isAccelerated) {
+            return theme;
+        }
+
         if (latteView && latteView.windowsTracker && !root.hasExpandedApplet) {
             if (root.windowColors === Latte.Types.ActiveWindowColors && selectedWindowsTracker.activeWindowScheme) {
                 return selectedWindowsTracker.activeWindowScheme;

containment/package/contents/ui/main.qml

@@ -18,7 +18,7 @@
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-import QtQuick 2.1
+import QtQuick 2.8
 import QtQuick.Layouts 1.1
 import QtQuick.Window 2.2
 import QtGraphicalEffects 1.0
@@ -1711,10 +1711,10 @@ Item {
         id: indicators
     }
 
-    ShaderEffect {
+    Item {
         id: graphicsSystem
-        //! check if Software qml rendering is applied
-        readonly property bool isAccelerated: status === ShaderEffect.Compiled
+        readonly property bool isAccelerated: (GraphicsInfo.api !== GraphicsInfo.Software)
+                                              && (GraphicsInfo.api !== GraphicsInfo.Unknown)
     }
 
     ///////////////END components

plasmoid/package/contents/ui/main.qml

@@ -18,7 +18,7 @@
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-import QtQuick 2.0
+import QtQuick 2.8
 import QtQuick.Layouts 1.1
 import QtGraphicalEffects 1.0
 
@@ -377,10 +377,10 @@ Item {
     }
 
     //!
-    ShaderEffect {
+    Item {
         id: graphicsSystem
-        //! check if Software qml rendering is applied
-        readonly property bool isAccelerated: status === ShaderEffect.Compiled
+        readonly property bool isAccelerated: (GraphicsInfo.api !== GraphicsInfo.Software)
+                                              && (GraphicsInfo.api !== GraphicsInfo.Unknown)
     }
 
     Loader {