add some resistance in activating directRendering

--add some resistance for the functionality added for
issue #852

containment/package/contents/ui/applet/AppletItem.qml

@@ -560,7 +560,7 @@ Item {
                 return;
             }
 
-            if ((wrapper.zoomScale > 1) && !enableDirectRenderTimer.running && !root.globalDirectRender) {
+            if ((wrapper.zoomScale>=root.midZoomFactor) && !enableDirectRenderTimer.running && !root.globalDirectRender) {
                 root.setGlobalDirectRender(true);
                 enableDirectRenderTimer.start();
             }

containment/package/contents/ui/main.qml

@@ -249,6 +249,7 @@ DragDrop.DropArea {
                                                        Latte.Dock.Center : plasmoid.configuration.panelPosition )
 
     property real zoomFactor: (Latte.WindowSystem.compositingActive && durationTime>0) ? ( 1 + (plasmoid.configuration.zoomLevel / 20) ) : 1
+    property real midZoomFactor: (1 + (zoomFactor-1)/2)
 
     readonly property string plasmoidName: "org.kde.latte.plasmoid"
 

plasmoid/package/contents/ui/main.qml

@@ -190,6 +190,7 @@ Item {
 
     property real durationTime: latteDock ? latteDock.durationTime : plasmoid.configuration.durationTime
     property real zoomFactor: latteDock ? latteDock.zoomFactor : ( 1 + (plasmoid.configuration.zoomLevel / 20) )
+    property real midZoomFactor: latteDock ? latteDock.midZoomFactor : (1 + (zoomFactor-1)/2)
 
     property int appShadowSize: latteDock ? latteDock.appShadowSize : Math.ceil(0.12*iconSize)
     property string appShadowColor: latteDock ? latteDock.appShadowColor : "#ff080808"

plasmoid/package/contents/ui/task/TaskDelegate.qml

@@ -504,7 +504,7 @@ MouseArea{
             return;
         }
 
-        if ((wrapper.mScale>1) && !root.directRenderTimerIsRunning && !root.globalDirectRender) {
+        if ((wrapper.mScale>=root.midZoomFactor) && !root.directRenderTimerIsRunning && !root.globalDirectRender) {
             root.startEnableDirectRenderTimer();
         }