Use smarter hover activation

See plasma/plasma-workspace!741

applets/kickoff/package/contents/ui/ApplicationsGroupView.qml

@@ -22,6 +22,7 @@
 import QtQuick 2.0
 import org.kde.plasma.core 2.0 as PlasmaCore
 import org.kde.plasma.components 3.0 as PlasmaComponents3
+import org.kde.plasma.private.kicker 0.1 as Kicker
 
 FocusScope {
     id: appViewContainer
@@ -68,37 +69,43 @@ FocusScope {
         }
     }
 
-    KickoffListView {
-        id: applicationsView
-        isManagerMode: true
+    Kicker.TriangleMouseFilter {
         anchors.fill: parent
 
-        property Item activatedItem: null
-        property var newModel: null
+        edge: LayoutMirroring.enabled ? Qt.LeftEdge : Qt.RightEdge
 
-        Behavior on opacity {
-            NumberAnimation {
-                duration: PlasmaCore.Units.longDuration
-                easing.type: Easing.InOutQuad
+        KickoffListView {
+            id: applicationsView
+            isManagerMode: true
+            anchors.fill: parent
+
+            property Item activatedItem: null
+            property var newModel: null
+
+            Behavior on opacity {
+                NumberAnimation {
+                    duration: PlasmaCore.Units.longDuration
+                    easing.type: Easing.InOutQuad
+                }
             }
-        }
 
-        focus: true
+            focus: true
 
-        appView: true
+            appView: true
 
-        model: rootModel
+            model: rootModel
 
-        function moveRight() {
-            var childModel = activatedItem.activate()
-            if (childModel != null) {
-                appViewContainer.activatedSection = childModel.model
-                appViewContainer.newBreadcrumbName = childModel.name
-                appViewContainer.appModelChange()
+            function moveRight() {
+                var childModel = activatedItem.activate()
+                if (childModel != null) {
+                    appViewContainer.activatedSection = childModel.model
+                    appViewContainer.newBreadcrumbName = childModel.name
+                    appViewContainer.appModelChange()
+                }
             }
-        }
 
-        onReset: appViewContainer.reset()
+            onReset: appViewContainer.reset()
+        }
     }
 
     // Displays text when application list gets updated

applets/kickoff/package/contents/ui/KickoffListView.qml

@@ -113,20 +113,6 @@ FocusScope {
         repeat: false
     }
 
-    Timer {
-        id: delayedActivation
-        // interaction time needs to be a constant
-        interval: 250
-        repeat: false
-        property int indexToGoTo: -1
-        onTriggered: {
-            if (indexToGoTo !== -1) {
-                listView.currentIndex = indexToGoTo
-                indexToGoTo = -1
-            }
-        }
-    }
-
     PC3.ScrollView {
         anchors.fill: parent
         PC3.ScrollBar.horizontal.visible: false
@@ -248,13 +234,6 @@ FocusScope {
                 hoverEnabled: true
                 acceptedButtons: Qt.LeftButton | Qt.RightButton
 
-                onExited: {
-                    if (view.isManagerMode || view.isExternalManagerMode) {
-                        delayedActivation.stop();
-                        delayedActivation.indexToGoTo = -1;
-                    }
-                }
-
                 onPressed: {
                     var mapped = listView.mapToItem(listView.contentItem, mouse.x, mouse.y);
                     var item = listView.itemAt(mapped.x, mapped.y);
@@ -320,12 +299,7 @@ FocusScope {
                             }
                         }
                         if (kickoff.dragSource == null || kickoff.dragSource == item) {
-                            if ((!view.isManagerMode && !view.isExternalManagerMode) || changedIndexRecently.running || mouse.source == Qt.MouseEventSynthesizedByQt) {
-                                listView.currentIndex = item.itemIndex;
-                            } else {
-                                delayedActivation.indexToGoTo = item.itemIndex;
-                                delayedActivation.start()
-                            }
+                            listView.currentIndex = item.itemIndex;
                         }
                     }