Use an enum to pass values to the status bar LEDs

nw/core/project.py

@@ -1109,7 +1109,7 @@ class NWProject():
         information to the GUI statusbar.
         """
         self.projChanged = bValue
-        self.theParent.setProjectStatus(self.projChanged)
+        self.theParent.statusBar.doUpdateProjectStatus(bValue)
         if bValue:
             # If we've changed the project at all, this should be True
             self.projAltered = True

nw/enum.py

@@ -112,6 +112,14 @@ class nwAlert(Enum):
 
 # END Enum nwAlert
 
+class nwState(Enum):
+
+    NONE = 0
+    BAD  = 1
+    GOOD = 2
+
+# END Enum nwState
+
 class nwWidget(Enum):
 
     TREE    = 1

nw/gui/statusbar.py

@@ -34,6 +34,7 @@ from PyQt5.QtGui import QColor, QPainter
 from PyQt5.QtWidgets import qApp, QStatusBar, QLabel, QAbstractButton
 
 from nw.common import formatTime
+from nw.enum import nwState
 
 logger = logging.getLogger(__name__)
 
@@ -125,8 +126,8 @@ class GuiMainStatus(QStatusBar):
         self.setRefTime(None)
         self.setLanguage(None, "")
         self.setStats(0, 0)
-        self.setProjectStatus(None)
+        self.setProjectStatus(nwState.NONE)
-        self.setDocumentStatus(None)
+        self.setDocumentStatus(nwState.NONE)
         self.updateTime()
         return True
 
@@ -147,16 +148,16 @@ class GuiMainStatus(QStatusBar):
         qApp.processEvents()
         return
 
-    def setProjectStatus(self, isChanged):
+    def setProjectStatus(self, theState):
         """Set the project status colour icon.
         """
-        self.projIcon.setState(isChanged)
+        self.projIcon.setState(theState)
         return
 
-    def setDocumentStatus(self, isChanged):
+    def setDocumentStatus(self, theState):
         """Set the document status colour icon.
         """
-        self.docIcon.setState(isChanged)
+        self.docIcon.setState(theState)
         return
 
     def setStats(self, pWC, sWC):
@@ -221,26 +222,26 @@ class GuiMainStatus(QStatusBar):
     def doUpdateProjectStatus(self, isChanged):
         """Slot for updating the project status.
         """
-        self.setProjectStatus(isChanged)
+        self.setProjectStatus(nwState.GOOD if isChanged else nwState.BAD)
         return
 
     @pyqtSlot(bool)
     def doUpdateDocumentStatus(self, isChanged):
         """Slot for updating the document status.
         """
-        self.setDocumentStatus(isChanged)
+        self.setDocumentStatus(nwState.GOOD if isChanged else nwState.BAD)
         return
 
 # END Class GuiMainStatus
 
 class StatusLED(QAbstractButton):
 
-    def __init__(self, colNone, colTrue, colFalse, sW, sH, parent=None):
+    def __init__(self, colNone, colGood, colBad, sW, sH, parent=None):
         super().__init__(parent=parent)
 
-        self.colNone  = colNone
+        self._colNone = colNone
-        self.colTrue  = colTrue
+        self._colGood = colGood
-        self.colFalse = colFalse
+        self._colBad  = colBad
         self._theCol  = colNone
 
         self.setFixedWidth(sW)
@@ -255,11 +256,12 @@ class StatusLED(QAbstractButton):
     def setState(self, theState):
         """Set the colour state.
         """
-        self._theCol = self.colNone
+        if theState == nwState.GOOD:
-        if theState is True:
+            self._theCol = self._colGood
-            self._theCol = self.colTrue
+        elif theState == nwState.BAD:
-        elif theState is False:
+            self._theCol = self._colBad
-            self._theCol = self.colFalse
+        else:
+            self._theCol = self._colNone
 
         self.update()
 
@@ -269,7 +271,7 @@ class StatusLED(QAbstractButton):
     #  Events
     ##
 
-    def paintEvent(self, event):
+    def paintEvent(self, _):
         """Drawing the LED.
         """
         qPalette = self.palette()

nw/guimain.py

@@ -49,7 +49,7 @@ from nw.dialogs import (
 )
 from nw.tools import GuiBuildNovel, GuiProjectWizard, GuiWritingStats
 from nw.core import NWProject, NWIndex
-from nw.enum import nwItemType, nwItemClass, nwAlert, nwWidget
+from nw.enum import nwItemType, nwItemClass, nwAlert, nwWidget, nwState
 from nw.common import getGuiItem, hexToInt
 from nw.constants import nwLists
 
@@ -381,8 +381,8 @@ class GuiMain(QMainWindow):
             self.docEditor.setDictionaries()
             self.rebuildIndex(beQuiet=True)
             self.statusBar.setRefTime(self.theProject.projOpened)
-            self.statusBar.setProjectStatus(True)
+            self.statusBar.setProjectStatus(nwState.GOOD)
-            self.statusBar.setDocumentStatus(None)
+            self.statusBar.setDocumentStatus(nwState.NONE)
             self.statusBar.setStatus(self.tr("New project created ..."))
             self._updateWindowTitle(self.theProject.projName)
         else: