Merge pull request #2145 from alicevision/fix/cameraInitIdx

[ui] Preserve last `CameraInit` index when updating the CameraInits list

meshroom/ui/qml/ImageGallery/ImageGallery.qml

@@ -35,6 +35,14 @@ Panel {
     title: "Image Gallery"
     implicitWidth: (root.defaultCellSize + 2) * 2
 
+    Connections {
+        target: _reconstruction
+
+        function onCameraInitChanged() {
+            nodesCB.currentIndex = root.cameraInitIndex
+        }
+    }
+
     QtObject {
         id: m
         property variant currentCameraInit: _reconstruction && _reconstruction.tempCameraInit ? _reconstruction.tempCameraInit : root.cameraInit

meshroom/ui/reconstruction.py

@@ -573,7 +573,12 @@ class Reconstruction(UIGraph):
         if set(self._cameraInits.objectList()) == set(cameraInits):
             return
         self._cameraInits.setObjectList(cameraInits)
-        self.cameraInit = cameraInits[0] if cameraInits else None
+
+        if self.cameraInit is None or self.cameraInit not in cameraInits:
+            self.cameraInit = cameraInits[0] if cameraInits else None
+
+        # Manually emit the signal to ensure the active CameraInit index is always up-to-date in the UI
+        self.cameraInitChanged.emit()
 
     def getCameraInitIndex(self):
         if not self._cameraInit: