Show link on hover

Fix #279

imports/NeoChat/Component/Timeline/TextDelegate.qml

@@ -51,6 +51,11 @@ a{
     Layout.fillWidth: true
 
     onLinkActivated: RoomManager.openResource(link)
+    onHoveredLinkChanged: if (hoveredLink.length > 0) {
+        applicationWindow().hoverLinkIndicator.text = hoveredLink;
+    } else {
+        applicationWindow().hoverLinkIndicator.text = "";
+    }
 
     MouseArea {
         anchors.fill: parent

qml/main.qml

@@ -369,4 +369,21 @@ Kirigami.ApplicationWindow {
             }
         }
     }
+
+    property Item hoverLinkIndicator: QQC2.Control {
+        parent: overlay.parent 
+        property alias text: linkText.text
+        opacity: text.length > 0 ? 1 : 0
+
+        z: 20
+        x: 0
+        y: parent.height - implicitHeight
+        contentItem: QQC2.Label {
+            id: linkText
+        }
+        Kirigami.Theme.colorSet: Kirigami.Theme.View
+        background: Rectangle {
+             color: Kirigami.Theme.backgroundColor
+        }
+    }
 }