From 0496f0c6a2be12e2aca8d63ae76ffa35a9e0e32d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Vital?= <mugulmotion@gmail.com>
Date: Fri, 7 Oct 2022 17:43:28 +0200
Subject: [ui] button to clear node from 2d viewer

---
 meshroom/ui/qml/Viewer/Viewer2D.qml | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/meshroom/ui/qml/Viewer/Viewer2D.qml b/meshroom/ui/qml/Viewer/Viewer2D.qml
index 4032e106..6f1db582 100644
--- a/meshroom/ui/qml/Viewer/Viewer2D.qml
+++ b/meshroom/ui/qml/Viewer/Viewer2D.qml
@@ -192,7 +192,6 @@ FocusScope {
         useExternal = true;
         sourceExternal = path;
         displayedNode = null;
-        metadata = {};
     }
 
     function getImageFile() {
@@ -254,8 +253,13 @@ FocusScope {
     }
 
     onDisplayedNodeChanged: {
+        // clear metadata if no displayed node
+        if (!displayedNode) {
+            metadata = {};
+        }
+
+        // update output attribute names
         var names = [];
-        // safety check
         if (displayedNode) {
             // store attr name for output attributes that represent images
             for (var i = 0; i < displayedNode.attributes.count; i++) {
@@ -626,6 +630,17 @@ FocusScope {
                             Layout.preferredWidth: contentWidth
                             height: contentHeight
                         }
+
+                        // button to clear currently displayed node
+                        MaterialToolButton {
+                            id: clearDisplayedNode
+                            text: MaterialIcons.close
+                            ToolTip.text: "Clear node"
+                            enabled: root.displayedNode
+                            onClicked: {
+                                root.displayedNode = null
+                            }
+                        }
                     }
                 }
                 Item {
-- 
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