fix #956,take into account panel transparency

--implementation of the design decisions described at
issue #957. Panel Background and Dynamic Background
options interact with each other concerning
panel transparency and triggering of solidness or
transparency.

containment/package/contents/ui/PanelBox.qml

@@ -293,7 +293,6 @@ Item{
             }
 
             readonly property bool forceSolidness: (root.solidPanel && !plasmoid.configuration.solidBackgroundForMaximized) || root.forceSolidPanel
-                                                   || (root.hasExpandedApplet && root.zoomFactor===1 && plasmoid.configuration.panelSize===100)
                                                    || !Latte.WindowSystem.compositingActive
 
             property rect efGeometry: Qt.rect(-1,-1,0,0)

shell/package/contents/configuration/TypeSelection.qml

@@ -84,6 +84,12 @@ Grid {
                 plasmoid.configuration.shrinkThickMargins = false;
                 plasmoid.configuration.activeIndicator = Latte.Dock.InternalsIndicator;
                 plasmoid.configuration.autoDecreaseIconSize = true;
+
+                //! Dynamic Background
+                plasmoid.configuration.solidBackgroundForMaximized = false;
+                plasmoid.configuration.colorizeTransparentPanels = false;
+                plasmoid.configuration.backgroundOnlyOnMaximized = false;
+                plasmoid.configuration.disablePanelShadowForMaximized = false;
             }
         }
     }
@@ -111,6 +117,12 @@ Grid {
                 plasmoid.configuration.shrinkThickMargins = true;
                 plasmoid.configuration.activeIndicator = Latte.Dock.NoneIndicator;
                 plasmoid.configuration.autoDecreaseIconSize = false;
+
+                //! Dynamic Background
+                plasmoid.configuration.solidBackgroundForMaximized = (plasmoid.configuration.panelTransparency !== 100 ? true : false);
+                plasmoid.configuration.colorizeTransparentPanels = false;
+                plasmoid.configuration.backgroundOnlyOnMaximized = false;
+                plasmoid.configuration.disablePanelShadowForMaximized = false;
             }
         }
     }