Add more icons

CHANGELOG.md

@@ -1,6 +1,7 @@
 ## [UNRELEASED] · YYYY-MM-DD
 ### ✨ Added
 - Add a "Save Memory" setting that evicts inactive datasets from RAM and reloads them on demand ([#647](https://github.com/cbrnr/mnelab/pull/647) by [Clemens Brunner](https://github.com/cbrnr))
+- Add icons for "Change Reference", "Interpolate Bad Channels", and "Documentation" actions ([#650](https://github.com/cbrnr/mnelab/pull/650) by [Clemens Brunner](https://github.com/cbrnr))
 
 ### 🔧 Fixed
 - Enforce minimum sidebar and info widget widths so they can no longer be hidden ([#642](https://github.com/cbrnr/mnelab/pull/642) by [Clemens Brunner](https://github.com/cbrnr))

src/mnelab/mainwindow.py

@@ -226,7 +226,7 @@ def __init__(self, model: Model):
         )
         channels_menu.addSeparator()
         self.all_actions["change_ref"] = channels_menu.addAction(
-            QIcon.fromTheme("placeholder"),
+            QIcon.fromTheme("change-reference"),
             "Change &Reference...",
             self.change_reference,
         )
@@ -242,7 +242,7 @@ def __init__(self, model: Model):
             lambda: self.export_file(model.export_bads, "Export bad channels", "*.csv"),
         )
         self.all_actions["interpolate_bads"] = channels_menu.addAction(
-            QIcon.fromTheme("placeholder"),
+            QIcon.fromTheme("interpolate-bads"),
             "Interpolate Bad Channels",
             self.interpolate_bads,
         )
@@ -453,7 +453,7 @@ def __init__(self, model: Model):
             )
         help_menu.addSeparator()
         self.all_actions["documentation"] = help_menu.addAction(
-            QIcon.fromTheme("placeholder"),
+            QIcon.fromTheme("documentation"),
             "&Documentation",
             self.show_documentation,
         )