NTooltip: wip

Widgets/NIconButton.qml

@@ -12,6 +12,8 @@ Rectangle {
   property string icon
   property bool enabled: true
   property bool hovering: false
+  property var onEntered: function () {}
+  property var onExited: function () {}
 
   implicitWidth: size
   implicitHeight: size
@@ -35,7 +37,13 @@ Rectangle {
     anchors.fill: parent
     cursorShape: Qt.PointingHandCursor
     hoverEnabled: true
-    onEntered: hovering = true
-    onExited: hovering = false
+    onEntered: {
+      hovering = true
+      root.onEntered()
+    }
+    onExited: {
+      hovering = false
+      root.onExited()
+    }
   }
 }

Widgets/NTooltip.qml

@@ -0,0 +1,129 @@
+import QtQuick
+import QtQuick.Window 2.15
+import qs.Services
+import qs.Theme
+
+Window {
+  id: tooltipWindow
+
+  readonly property real scaling: Scaling.scale(screen)
+  property string text: ""
+  property bool tooltipVisible: false
+  property Item targetItem: null
+  property int delay: 300
+  property bool positionAbove: true
+
+  flags: Qt.ToolTip | Qt.FramelessWindowHint | Qt.WindowStaysOnTopHint
+  color: "transparent"
+  visible: false
+
+  property var _timerObj: null
+
+  onTooltipVisibleChanged: {
+    if (tooltipVisible) {
+      if (delay > 0) {
+        if (_timerObj) {
+          _timerObj.destroy()
+          _timerObj = null
+        }
+        _timerObj = Qt.createQmlObject(
+              'import QtQuick 2.0; Timer { interval: ' + delay
+              + '; running: true; repeat: false; onTriggered: tooltipWindow._showNow() }',
+              tooltipWindow)
+      } else {
+        _showNow()
+      }
+    } else {
+      _hideNow()
+    }
+  }
+
+  function _showNow() {
+    
+    width = Math.max(50 * scaling, tooltipText.implicitWidth + 24 * scaling)
+    height = Math.max(50 * scaling, tooltipText.implicitHeight + 16 * scaling)
+
+    if (!targetItem)
+      return
+
+    if (positionAbove) {
+      // Position tooltip above the target item
+      var pos = targetItem.mapToGlobal(0, 0)
+      x = pos.x - width / 2 + targetItem.width / 2
+      y = pos.y - height - 12 // 12 px margin above
+    } else {
+      // Position tooltip below the target item
+      var pos = targetItem.mapToGlobal(0, targetItem.height)
+      x = pos.x - width / 2 + targetItem.width / 2
+      y = pos.y + 12 // 12 px margin below
+    }
+    visible = true
+  }
+
+  function _hideNow() {
+    visible = false
+    if (_timerObj) {
+      _timerObj.destroy()
+      _timerObj = null
+    }
+  }
+
+  Connections {
+    target: tooltipWindow.targetItem
+    function onXChanged() {
+      if (tooltipWindow.visible)
+        tooltipWindow._showNow()
+    }
+    function onYChanged() {
+      if (tooltipWindow.visible)
+        tooltipWindow._showNow()
+    }
+    function onWidthChanged() {
+      if (tooltipWindow.visible)
+        tooltipWindow._showNow()
+    }
+    function onHeightChanged() {
+      if (tooltipWindow.visible)
+        tooltipWindow._showNow()
+    }
+  }
+
+  Rectangle {
+    anchors.fill: parent
+    radius: 18
+    color: Theme.backgroundTertiary || "#222"
+    border.color: Theme.outline || "#444"
+    border.width: 1 * scaling
+    opacity: 0.97
+    z: 1
+  }
+
+  Text {
+    id: tooltipText
+    text: tooltipWindow.text
+    color: Theme.textPrimary
+    font.family: Theme.fontFamily
+    font.pixelSize: Theme.fontSizeSmall * scaling
+    anchors.centerIn: parent
+    horizontalAlignment: Text.AlignHCenter
+    verticalAlignment: Text.AlignVCenter
+    wrapMode: Text.Wrap
+    padding: 8
+    z: 2
+  }
+
+  MouseArea {
+    anchors.fill: parent
+    cursorShape: Qt.ArrowCursor
+    hoverEnabled: true
+    onExited: tooltipWindow.tooltipVisible = false
+    
+  }
+
+  onTextChanged: {
+    width = Math.max(minimumWidth * scaling,
+                     tooltipText.implicitWidth + 24 * scaling)
+    height = Math.max(minimumHeight * scaling,
+                      tooltipText.implicitHeight + 16 * scaling)
+  }
+}