Use the indenta decorators of the novel tree to indicate type

novelwriter/gui/theme.py

@@ -472,9 +472,12 @@ class GuiIcons:
         # Switches
         "sticky-on", "sticky-off",
         "bullet-on", "bullet-off",
+
+        # Decorations
+        "deco_doc_h0", "deco_doc_h1", "deco_doc_h2", "deco_doc_h3", "deco_doc_h4",
     }
 
-    DECO_MAP = {
+    IMAGE_MAP = {
         "wiz-back": "wizard-back.jpg",
     }
 
@@ -573,19 +576,22 @@ class GuiIcons:
     #  Access Functions
     ##
 
-    def loadDecoration(self, decoKey, pxW, pxH):
+    def loadDecoration(self, decoKey, pxW=None, pxH=None):
         """Load graphical decoration element based on the decoration
-        map. This function always returns a QSwgWidget.
+        map or the icon map. This function always returns a QPixmap.
         """
-        if decoKey not in self.DECO_MAP:
+        if decoKey in self._themeMap:
+            imgPath = self._themeMap[decoKey]
+        elif decoKey in self.IMAGE_MAP:
+            imgPath = os.path.join(
+                self.mainConf.assetPath, "images", self.IMAGE_MAP[decoKey]
+            )
+        else:
             logger.error("Decoration with name '%s' does not exist", decoKey)
             return QPixmap()
 
-        imgPath = os.path.join(
-            self.mainConf.assetPath, "images", self.DECO_MAP[decoKey]
-        )
         if not os.path.isfile(imgPath):
-            logger.error("Decoration file '%s' not in assets folder", self.DECO_MAP[decoKey])
+            logger.error("Asset '%s' not found", self.IMAGE_MAP[decoKey])
             return QPixmap()
 
         theDeco = QPixmap(imgPath)