GUI and code tweaks and fixes (#852)

* Improve format menu header descriptions
* Ensure that item status is parsed after item class from XML
* Fix column alignment in ToC.txt file
* Rename test variable and fix outdated docstring
* Fix ToC.txt underline
* Rename the Layout label on the item details panel
* Add option to emphasise H1 and H2 labels in the project tree
* Rename the main column of the novel tree to match project tree
* Use the same document icons in the outline as the project tree
* Move project tree settings to Project section of config file

nw/gui/outline.py

@@ -33,7 +33,7 @@ from PyQt5.QtWidgets import (
     QTreeWidget, QTreeWidgetItem, QMenu, QAction, QAbstractItemView
 )
 
-from nw.enum import nwOutline
+from nw.enum import nwItemLayout, nwItemType, nwOutline
 from nw.constants import trConst, nwKeyWords, nwLabels
 
 logger = logging.getLogger(__name__)
@@ -434,6 +434,9 @@ class GuiOutline(QTreeWidget):
         newItem = QTreeWidgetItem()
         hIcon = "doc_%s" % novIdx["level"].lower()
 
+        hLevel = self.theIndex.getHandleHeaderLevel(tHandle)
+        dIcon = self.theTheme.getItemIcon(nwItemType.FILE, None, nwItemLayout.DOCUMENT, hLevel)
+
         cC = int(novIdx["cCount"])
         wC = int(novIdx["wCount"])
         pC = int(novIdx["pCount"])
@@ -443,7 +446,7 @@ class GuiOutline(QTreeWidget):
         newItem.setIcon(self._colIdx[nwOutline.TITLE],  self.theTheme.getIcon(hIcon))
         newItem.setText(self._colIdx[nwOutline.LEVEL],  novIdx["level"])
         newItem.setText(self._colIdx[nwOutline.LABEL],  nwItem.itemName)
-        newItem.setIcon(self._colIdx[nwOutline.LABEL],  self.theTheme.getIcon("proj_document"))
+        newItem.setIcon(self._colIdx[nwOutline.LABEL],  dIcon)
         newItem.setText(self._colIdx[nwOutline.LINE],   sTitle[1:].lstrip("0"))
         newItem.setData(self._colIdx[nwOutline.LINE],   Qt.UserRole, sTitle)
         newItem.setText(self._colIdx[nwOutline.SYNOP],  novIdx["synopsis"])