[core] Fix issues on missing chunks fro sfm node & node chunk indicator

Author: Alxiice

meshroom/core/node.py

@@ -50,7 +50,6 @@ class Status(Enum):
     STOPPED = 4
     KILLED = 5
     SUCCESS = 6
-    # SKIPPED = 7
     INPUT = 7  # Special status for input nodes
 
 
@@ -2211,6 +2210,7 @@ def _resetChunks(self):
         # TODO : Maybe don't delete chunks if we will recreate them as before ?
         """
         if isinstance(self.nodeDesc, desc.InputNode):
+            self._chunksCreated = True
             return
         # Disconnect signals
         for chunk in self._chunks:
@@ -2219,8 +2219,10 @@ def _resetChunks(self):
         self._chunks.setObjectList([])
         # Recreate list with reset values (1 chunk or the static size)
         if not self.isParallelized:
-            self._chunksCreated = True
             self.setSize(1)
+            self._chunks.setObjectList([NodeChunk(self, desc.Range())])
+            self._chunks[0].statusChanged.connect(self.globalStatusChanged)
+            self._chunksCreated = True
         elif isinstance(self.nodeDesc.size, desc.computation.StaticNodeSize):
             self._chunksCreated = True
             self.setSize(self.nodeDesc.size.computeSize(self))

meshroom/ui/qml/GraphEditor/Node.qml

@@ -496,7 +496,7 @@ Item {
                 // Node Chunks
                 NodeChunks {
                     visible: node.isComputableType
-                    nodeStatus: node ? node.globalStatus : "NONE"
+                    targetNode: node
                     defaultColor: Colors.sysPalette.mid
                     implicitHeight: 3
                     width: parent.width

meshroom/ui/qml/GraphEditor/NodeChunks.qml

@@ -9,7 +9,8 @@ ListView {
 
     SystemPalette { id: activePalette }
 
-    property string nodeStatus: "NONE"
+    property var targetNode: null
+
     property color defaultColor: Qt.darker(activePalette.window, 1.1)
     property real chunkHeight: height
     property int modelSize: model ? model.count : 0
@@ -38,10 +39,14 @@ ListView {
         }
     }
 
-    // Default rectangle shown when model is empty/undefined
+    // Default rectangle shown when model is empty/undefined (= no chunks)
     Rectangle {
         anchors.fill: parent
-        color: nodeStatus == "NONE" ? Colors.darkpurple : Colors.statusColors[nodeStatus]
+        color: root.targetNode !== null 
+            ? (root.targetNode.globalStatus === "NONE" 
+                ? Colors.darkpurple 
+                : Colors.statusColors[root.targetNode.globalStatus])
+            : "transparent"
         enabled: modelSize == 0
         visible: enabled
     }

meshroom/ui/qml/Utils/Colors.qml

@@ -28,7 +28,8 @@ QtObject {
         "RUNNING": orange,
         "ERROR": red,
         "SUCCESS": green,
-        "STOPPED": pink
+        "STOPPED": pink,
+        "INPUT": "transparent"
     }
 
     readonly property var ghostColors: {

meshroom/ui/reconstruction.py

@@ -1031,7 +1031,8 @@ def _setSfm(self, node):
             # disconnection step in 'setSfm' (at this point, 'self._sfm' underlying object
             # has been destroyed and can't be evaluated anymore)
             self._sfm.destroyed.connect(self._unsetSfm)
-            self._sfm.chunks[0].statusChanged.connect(self.updateSfMResults)
+            if len(self._sfm._chunks) > 0:
+                self._sfm.chunks[0].statusChanged.connect(self.updateSfMResults)
         self.sfmChanged.emit()
 
     def setSfm(self, node):