Remove icon setting from config, and let the theme control it

novelwriter/gui/noveltree.py

@@ -96,6 +96,7 @@ class GuiNovelView(QWidget):
         """Update theme elements.
         """
         self.novelBar.updateTheme()
+        self.novelTree.updateTheme()
         self.refreshTree()
         return
 
@@ -408,7 +409,6 @@ class GuiNovelTree(QTreeWidget):
         fH2.setBold(True)
 
         self._hFonts = [self.font(), fH1, fH2, self.font(), self.font()]
-        self._pMore = self.mainTheme.loadDecoration("deco_doc_more", pxH=iPx)
 
         # Connect signals
         self.clicked.connect(self._treeItemClicked)
@@ -417,6 +417,7 @@ class GuiNovelTree(QTreeWidget):
 
         # Set custom settings
         self.initSettings()
+        self.updateTheme()
 
         logger.debug("GuiNovelTree initialisation complete")
 
@@ -438,6 +439,13 @@ class GuiNovelTree(QTreeWidget):
 
         return
 
+    def updateTheme(self):
+        """Update theme elements.
+        """
+        iPx = self.mainTheme.baseIconSize
+        self._pMore = self.mainTheme.loadDecoration("deco_doc_more", pxH=iPx)
+        return
+
     ##
     #  Properties
     ##