From c64e6867ff3a12bb7c3d86bd35846275b49c5a6d Mon Sep 17 00:00:00 2001
From: hitz_s <stephan.hitz@psi.ch>
Date: Thu, 11 Jun 2026 15:39:34 +0200
Subject: [PATCH] wip

---
 .../bec_widgets/widgets/data_viewer/viewer.py | 42 ++++++++++++++-----
 1 file changed, 31 insertions(+), 11 deletions(-)

diff --git a/debye_bec/bec_widgets/widgets/data_viewer/viewer.py b/debye_bec/bec_widgets/widgets/data_viewer/viewer.py
index d1ee5e1..0260616 100644
--- a/debye_bec/bec_widgets/widgets/data_viewer/viewer.py
+++ b/debye_bec/bec_widgets/widgets/data_viewer/viewer.py
@@ -17,6 +17,7 @@ from qtpy.QtWidgets import (
 )
 from qtpy.QtCore import Qt
 from qtpy.QtGui import QFont, QColor
+from qtpy.QtWidgets import QStyle
 
 import pyqtgraph as pg
 
@@ -43,8 +44,8 @@ STYLESHEET = f"""
 QMainWindow, QWidget {{
     background-color: {BG_DARK};
     color: {TEXT_PRI};
-    font-family: 'Inter', 'Segoe UI', 'Helvetica Neue', sans-serif;
-    font-size: 13px;
+    # font-family: 'Inter', 'Segoe UI', 'Helvetica Neue', sans-serif;
+    # font-size: 13px;
 }}
 QSplitter::handle {{
     background: {BORDER};
@@ -148,23 +149,39 @@ def dtype_tag(ds):
 
 
 def populate_tree(parent_item, h5_obj):
+    style = QApplication.style()
+    folder_icon = style.standardIcon(QStyle.SP_DirIcon)
+    file_icon   = style.standardIcon(QStyle.SP_FileIcon)
+
     if not isinstance(h5_obj, h5py.Group):
         return
+
     for key in h5_obj.keys():
-        child = h5_obj[key]
+        try:
+            child = h5_obj[key]
+        except Exception:
+            continue
+
         if isinstance(child, h5py.Group):
-            label = f"{TYPE_ICONS['group']}  {key}"
-            item = QTreeWidgetItem(parent_item, [label, "Group", ""])
+            item = QTreeWidgetItem(parent_item, [key, "Group", ""])
+            item.setIcon(0, folder_icon)
+
             item.setData(0, Qt.UserRole, child.name)
             item.setData(0, Qt.UserRole + 1, "group")
+
             item.setForeground(0, QColor(ACCENT))
+
             populate_tree(item, child)
+
         elif isinstance(child, h5py.Dataset):
             shape_str = "×".join(str(s) for s in child.shape) or "scalar"
-            label = f"{TYPE_ICONS['dataset']}  {key}"
-            item = QTreeWidgetItem(parent_item, [label, dtype_tag(child), shape_str])
+
+            item = QTreeWidgetItem(parent_item, [key, dtype_tag(child), shape_str])
+            item.setIcon(0, file_icon)
+
             item.setData(0, Qt.UserRole, child.name)
             item.setData(0, Qt.UserRole + 1, "dataset")
+
             item.setForeground(1, QColor(SUCCESS))
             item.setForeground(2, QColor(TEXT_SEC))
 
@@ -464,7 +481,10 @@ class HDF5Viewer(QMainWindow):
     def _load_tree(self):
         self.tree.clear()
 
-        root_item = QTreeWidgetItem(self.tree, ["📂  /", "Group", ""])
+        style = QApplication.style()
+        folder_icon = style.standardIcon(QStyle.SP_DirIcon) # TODO Choose different icon for head
+        root_item = QTreeWidgetItem(self.tree, ["/", "Group", ""])
+        root_item.setIcon(0, folder_icon)
         root_item.setData(0, Qt.UserRole, "/")
         root_item.setData(0, Qt.UserRole + 1, "group")
         root_item.setForeground(0, QColor(ACCENT))
@@ -493,9 +513,9 @@ class HDF5Viewer(QMainWindow):
             ds   = self.h5file[path]
             data = ds[()]
             self.data_panel.display(data, path)
-            self.status.showMessage(
-                f"{path}  |  shape {ds.shape}  |  dtype {ds.dtype}"
-            )
+            # self.status.showMessage(
+            #     f"{path}  |  shape {ds.shape}  |  dtype {ds.dtype}"
+            # )
         else:
             n = len(obj) if isinstance(obj, h5py.Group) else 0
             # self.status.showMessage(