Add font initialisation, and update tests

novelwriter/__init__.py

@@ -241,5 +241,3 @@ def main(sysArgs: list | None = None) -> GuiMain | None:
         nwGUI.postLaunchTasks(cmdOpen)
 
         sys.exit(nwApp.exec())
-
-    return None

novelwriter/config.py

@@ -39,7 +39,7 @@ from PyQt5.QtCore import (
 from PyQt5.QtGui import QFont, QFontDatabase
 from PyQt5.QtWidgets import QApplication
 
-from novelwriter.common import NWConfigParser, checkInt, checkPath, formatTimeStamp
+from novelwriter.common import NWConfigParser, checkInt, checkPath, describeFont, formatTimeStamp
 from novelwriter.constants import nwFiles, nwUnicode
 from novelwriter.error import formatException, logException
 
@@ -109,7 +109,7 @@ class Config:
         self.guiLocale    = self._qLocale.name()
         self.guiTheme     = "default"        # GUI theme
         self.guiSyntax    = "default_light"  # Syntax theme
-        self.guiFont      = QFont()          # Defaults to system default font in theme class
+        self.guiFont      = QFont()          # Main GUI font
         self.guiScale     = 1.0              # Set automatically by Theme class
         self.hideVScroll  = False            # Hide vertical scroll bars on main widgets
         self.hideHScroll  = False            # Hide horizontal scroll bars on main widgets
@@ -377,6 +377,7 @@ class Config:
             else:
                 font = fontDB.systemFont(QFontDatabase.SystemFont.GeneralFont)
             self.guiFont = font
+            logger.debug("GUI font set to: %s", describeFont(font))
 
         QApplication.setFont(self.guiFont)
 
@@ -405,6 +406,7 @@ class Config:
             else:
                 font = fontDB.systemFont(QFontDatabase.SystemFont.GeneralFont)
             self.textFont = font
+            logger.debug("Text font set to: %s", describeFont(font))
         return
 
     ##
@@ -571,8 +573,9 @@ class Config:
 
         if not cnfPath.exists():
             # Initial file, so we just create one from defaults
-            self.saveConfig()
             self.setGuiFont(None)
+            self.setTextFont(None)
+            self.saveConfig()
             return True
 
         try:

tests/test_base/test_base_common.py

@@ -28,16 +28,16 @@ from xml.etree import ElementTree as ET
 import pytest
 
 from PyQt5.QtCore import QUrl
-from PyQt5.QtGui import QColor, QDesktopServices
+from PyQt5.QtGui import QColor, QDesktopServices, QFontDatabase
 
 from novelwriter.common import (
     NWConfigParser, checkBool, checkFloat, checkInt, checkIntTuple, checkPath,
-    checkString, checkStringNone, checkUuid, cssCol, elide, formatFileFilter,
-    formatInt, formatTime, formatTimeStamp, formatVersion, fuzzyTime,
-    getFileSize, hexToInt, isHandle, isItemClass, isItemLayout, isItemType,
-    isListInstance, isTitleTag, jsonEncode, makeFileNameSafe, minmax,
-    numberToRoman, openExternalPath, readTextFile, simplified, transferCase,
-    xmlIndent, yesNo
+    checkString, checkStringNone, checkUuid, cssCol, describeFont, elide,
+    formatFileFilter, formatInt, formatTime, formatTimeStamp, formatVersion,
+    fuzzyTime, getFileSize, hexToInt, isHandle, isItemClass, isItemLayout,
+    isItemType, isListInstance, isTitleTag, jsonEncode, makeFileNameSafe,
+    minmax, numberToRoman, openExternalPath, readTextFile, simplified,
+    transferCase, xmlIndent, yesNo
 )
 
 from tests.mocked import causeOSError
@@ -487,6 +487,15 @@ def testBaseCommon_cssCol():
     assert cssCol(QColor(10, 20, 30, 40)) == "rgba(10, 20, 30, 40)"
 
 
+@pytest.mark.base
+def testBaseCommon_describeFont():
+    """Test the describeFont function."""
+    fontDB = QFontDatabase()
+    font = fontDB.systemFont(QFontDatabase.SystemFont.GeneralFont)
+    assert font.family() in describeFont(font)
+    assert describeFont(None) == "Error"  # type: ignore
+
+
 @pytest.mark.base
 def testBaseCommon_jsonEncode():
     """Test the jsonEncode function."""