From a0a6ebf50d5fecb8a42cc36934f179ea06b99ee3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=8E=8B=E5=8A=B2=E9=B9=8F?= <jingpeng.wang@outlook.com>
Date: Wed, 2 Jun 2021 11:07:44 +0800
Subject: [PATCH] add position listen

---
 doric-Qt/example/app/test-layout.qml          | 28 ++++++++++++++-----
 .../example/doric/resources/draggable.qml     |  9 ++++++
 2 files changed, 30 insertions(+), 7 deletions(-)

diff --git a/doric-Qt/example/app/test-layout.qml b/doric-Qt/example/app/test-layout.qml
index cd6f72b4..0f7689d8 100644
--- a/doric-Qt/example/app/test-layout.qml
+++ b/doric-Qt/example/app/test-layout.qml
@@ -9,16 +9,30 @@ ApplicationWindow {
     title: qsTr("Scroll")
 
     Rectangle {
-        width: 200; height: 200
-        color: "red"
+        anchors.fill: parent
 
-        Drag.active: dragArea.drag.active
+        Rectangle {
+            id: root
 
-        MouseArea {
-            id: dragArea
-            anchors.fill: parent
+            width: 200; height: 200
+            color: "red"
 
-            drag.target: parent
+            Drag.active: dragArea.drag.active
+
+            MouseArea {
+                id: dragArea
+                anchors.fill: parent
+
+                drag.target: parent
+
+                onPositionChanged: {
+                    var positionToParent = mapToItem(root.parent, mouse.x, mouse.y)
+                    var positionToRoot = mapToItem(root, mouse.x, mouse.y)
+                    console.log(positionToParent, positionToRoot)
+                }
+            }
         }
     }
+
+
 }
diff --git a/doric-Qt/example/doric/resources/draggable.qml b/doric-Qt/example/doric/resources/draggable.qml
index 7c8af7aa..6df9d8ec 100644
--- a/doric-Qt/example/doric/resources/draggable.qml
+++ b/doric-Qt/example/doric/resources/draggable.qml
@@ -52,6 +52,15 @@ Rectangle {
         anchors.fill: parent
 
         drag.target: parent
+
+        onPositionChanged: {
+            let positionToRootParent = mapToItem(root.parent, mouse.x, mouse.y)
+            let positionToRoot = mapToItem(root, mouse.x, mouse.y)
+            let xDiff = positionToRootParent.x - positionToRoot.x
+            let yDiff = positionToRootParent.y - positionToRoot.y
+
+            console.log(tag, uuid + " onPositionChanged: " + xDiff + ", " + yDiff)
+        }
     }
 
     property var shadowColor