enable ruler tooltip in editing mode

containment/package/contents/ui/ConfigOverlay.qml

@@ -181,9 +181,11 @@ MouseArea {
 
         if (!currentApplet
                 || !root.dragOverlay.currentApplet
-                || (currentApplet &&currentApplet.isInternalViewSplitter)) {
+                || (currentApplet && currentApplet.isInternalViewSplitter)) {
             hideTimer.restart();
             return;
+        } else if (currentApplet === ruler) {
+            return;
         }
 
         if(currentApplet.showZoomed !== undefined)
@@ -312,7 +314,11 @@ MouseArea {
     Timer {
         id: hideTimer
         interval: units.longDuration * 2
-        onTriggered: tooltip.visible = false;
+        onTriggered: {
+            if (!ruler.containsMouse && !tooltipMouseArea.containsMouse) {
+                tooltip.visible = false;
+            }
+        }
     }
 
     Connections {
@@ -329,7 +335,7 @@ MouseArea {
 
         //BEGIN functions
         function updatePlacement(){
-            if(currentApplet){
+            if(currentApplet && currentApplet !== ruler){
                 var transformChoords = root.mapFromItem(currentApplet, 0, 0)
 
                 handle.x = transformChoords.x;
@@ -441,7 +447,7 @@ MouseArea {
         location: plasmoid.location
 
         onVisualParentChanged: {
-            if (visualParent && currentApplet && currentApplet.applet) {
+            if (visualParent && currentApplet && currentApplet.applet && currentApplet !== ruler) {
                 configureButton.visible = (currentApplet.applet.pluginName !== root.plasmoidName)
                         && currentApplet.applet.action("configure") && currentApplet.applet.action("configure").enabled;
                 closeButton.visible = currentApplet.applet.action("remove") && currentApplet.applet.action("remove").enabled
@@ -453,6 +459,15 @@ MouseArea {
                         && !currentApplet.isInternalViewSplitter
 
                 label.text = currentApplet.applet.title;
+            } else {
+                configureButton.visible = false;
+                closeButton.visible = false;
+                lockButton.visible = false;
+
+                if (currentApplet === ruler) {
+                    label.text = ruler.tooltip;
+                    tooltip.visible = true;
+                }
             }
         }
 
@@ -466,7 +481,17 @@ MouseArea {
             LayoutMirroring.childrenInherit: true
 
             onEntered: hideTimer.stop();
-            onExited:  hideTimer.restart();
+            onExited: hideTimer.restart();
+
+            Connections {
+                target: ruler
+                onContainsMouseChanged: {
+                    if (ruler.containsMouse) {
+                        configurationArea.currentApplet = ruler;
+                    }
+                }
+            }
+
             Row {
                 id: handleRow
                 anchors.horizontalCenter: parent.horizontalCenter
@@ -492,10 +517,7 @@ MouseArea {
                         textFormat: Text.PlainText
                         maximumLineCount: 1
                     }
-                }
 
-                Row{
-                    spacing: 0
                     PlasmaComponents.ToolButton{
                         id: lockButton
                         checkable: true
@@ -520,7 +542,6 @@ MouseArea {
                         }
                     }
                 }
-
             }
         }
     }

containment/package/contents/ui/Ruler.qml

@@ -31,21 +31,26 @@ import org.kde.latte 0.1 as Latte
 Item{
     id: rulerItem
 
-    width: root.isHorizontal ? root.maxLength : theme.defaultFont.pixelSize
-    height: root.isVertical ? root.maxLength : theme.defaultFont.pixelSize
+    width: root.isHorizontal ? root.maxLength : thickness
+    height: root.isVertical ? root.maxLength : thickness
 
     opacity: root.editMode ? 1 : 0
 
     property int rulerAnimationTime: 0.8 * root.animationTime
 
+    readonly property bool containsMouse: rulerMouseArea.containsMouse
+    readonly property int thickness: theme.defaultFont.pixelSize + rMargin
+
+    readonly property string tooltip: i18n("You can use mouse wheel to change the maximum length")
+
     x: {
         if (root.isHorizontal) {
             return xL;
         } else {
             if (plasmoid.location === PlasmaCore.Types.LeftEdge){
-                return editModeVisual.x + editModeVisual.width - theme.defaultFont.pixelSize - rMargin ;
+                return editModeVisual.x + editModeVisual.width - theme.defaultFont.pixelSize;
             } else if (plasmoid.location === PlasmaCore.Types.RightEdge){
-                return editModeVisual.x + rMargin ;
+                return editModeVisual.x;
             }
         }
     }
@@ -55,9 +60,9 @@ Item{
             return yL;
         } else {
             if (plasmoid.location === PlasmaCore.Types.BottomEdge){
-                return editModeVisual.y + rMargin;
+                return editModeVisual.y;
             } else if (plasmoid.location === PlasmaCore.Types.TopEdge){
-                return editModeVisual.y + editModeVisual.height - theme.defaultFont.pixelSize - rMargin;
+                return editModeVisual.y + editModeVisual.height - theme.defaultFont.pixelSize;
             }
         }
 
@@ -172,8 +177,8 @@ Item{
 
     Grid{
         id: rulerGrid
-        width: root.isHorizontal ? parent.width : undefined
-        height: root.isVertical ? parent.height : undefined
+        width: root.isHorizontal ? parent.length : undefined
+        height: root.isVertical ? parent.length : undefined
 
         rows: root.isHorizontal ? 1 : 0
         columns: root.isVertical ? 1 : 0
@@ -181,6 +186,26 @@ Item{
 
         flow: root.isHorizontal ? GridLayout.TopToBottom : GridLayout.LeftToRight
 
+        x: {
+            if (plasmoid.location === PlasmaCore.Types.LeftEdge) {
+                return -rMargin;
+            } else if (plasmoid.location === PlasmaCore.Types.RightEdge) {
+                return rMargin;
+            } else {
+                return 0;
+            }
+        }
+
+        y: {
+            if (plasmoid.location === PlasmaCore.Types.BottomEdge) {
+                return rMargin;
+            } else if (plasmoid.location === PlasmaCore.Types.TopEdge) {
+                return -rMargin;
+            } else {
+                return 0;
+            }
+        }
+
         property int freeSpace: {
             if (root.isHorizontal) {
                 return rulerItem.width - rulerGrid.spacing - 1 //((rulerGrid.children.length-2) * rulerGrid.spacing)

containment/package/contents/ui/RulerMouseArea.qml

@@ -26,6 +26,7 @@ import org.kde.latte 0.1 as Latte
 
 MouseArea{
     cursorShape: root.isHorizontal ? Qt.SizeHorCursor : Qt.SizeVerCursor
+    hoverEnabled: true
 
     onWheel: {
         var angle = wheel.angleDelta.y / 8;

containment/package/contents/ui/main.qml

@@ -1492,6 +1492,7 @@ DragDrop.DropArea {
     Ruler{id: ruler}
 
     RulerMouseArea{
+        id: rulerMouseArea
         anchors.fill: ruler
         z:1100
     }