Always use scrollable combo box and manually update the style sheet in build settings instead

novelwriter/dialogs/preferences.py

@@ -158,7 +158,7 @@ class GuiPreferences(NDialog):
         self.mainForm.addGroupLabel(title, section)
 
         # Display Language
-        self.guiLocale = NComboBox(self, scrollable=True)
+        self.guiLocale = NComboBox(self)
         self.guiLocale.setMinimumWidth(200)
         for lang, name in CONFIG.listLanguages(CONFIG.LANG_NW):
             self.guiLocale.addItem(name, lang)
@@ -170,9 +170,9 @@ class GuiPreferences(NDialog):
         )
 
         # Colour Theme
-        self.lightTheme = NComboBox(self, scrollable=True)
+        self.lightTheme = NComboBox(self)
         self.lightTheme.setMinimumWidth(200)
-        self.darkTheme = NComboBox(self, scrollable=True)
+        self.darkTheme = NComboBox(self)
         self.darkTheme.setMinimumWidth(200)
         for key, theme in SHARED.theme.colourThemes.items():
             if theme.dark:
@@ -193,7 +193,7 @@ class GuiPreferences(NDialog):
         )
 
         # Icon Theme
-        self.iconTheme = NComboBox(self, scrollable=True)
+        self.iconTheme = NComboBox(self)
         self.iconTheme.setMinimumWidth(200)
         for key, theme in SHARED.theme.iconCache.iconThemes.items():
             self.iconTheme.addItem(theme.name, key)
@@ -513,7 +513,7 @@ class GuiPreferences(NDialog):
         self.mainForm.addGroupLabel(title, section)
 
         # Spell Checking
-        self.spellLanguage = NComboBox(self, scrollable=True)
+        self.spellLanguage = NComboBox(self)
         self.spellLanguage.setMinimumWidth(200)
 
         if CONFIG.hasEnchant:

novelwriter/dialogs/projectsettings.py

@@ -257,7 +257,7 @@ class _SettingsPage(NScrollableForm):
 
         # Project Language
         projLang = data.language or CONFIG.guiLocale
-        self.projLang = NComboBox(self, scrollable=True)
+        self.projLang = NComboBox(self)
         self.projLang.setMinimumWidth(200)
         for tag, language in CONFIG.listLanguages(CONFIG.LANG_PROJ):
             self.projLang.addItem(language, tag)
@@ -269,7 +269,7 @@ class _SettingsPage(NScrollableForm):
         )
 
         # Spell Check Language
-        self.spellLang = NComboBox(self, scrollable=True)
+        self.spellLang = NComboBox(self)
         self.spellLang.setMinimumWidth(200)
         self.spellLang.addItem(self.tr("Default"), "None")
         if CONFIG.hasEnchant:

novelwriter/extensions/modified.py

@@ -125,16 +125,11 @@ class NComboBox(QComboBox):
     window of many widgets.
     """
 
-    def __init__(
-        self, parent: QWidget | None = None, maxItems: int = 15, scrollable: bool = False
-    ) -> None:
+    def __init__(self, parent: QWidget | None = None, maxItems: int = 15) -> None:
         super().__init__(parent=parent)
         self.setFocusPolicy(Qt.FocusPolicy.StrongFocus)
         self.setMaxVisibleItems(maxItems)
-        if scrollable:
-            # The style sheet disables Fusion style pop-up mode on some
-            # platforms and allows for scrolling of long lists of items
-            self.setStyleSheet("QComboBox {combobox-popup: 0;}")
+        self.updateStyle()
 
     def wheelEvent(self, event: QWheelEvent) -> None:
         """Only capture the mouse wheel if the widget has focus."""
@@ -148,6 +143,12 @@ class NComboBox(QComboBox):
         idx = self.findData(data)
         self.setCurrentIndex(self.findData(default) if idx < 0 else idx)
 
+    def updateStyle(self) -> None:
+        """Update the style sheet."""
+        # The style sheet disables Fusion style pop-up mode on some
+        # platforms and allows for scrolling of long lists of items
+        self.setStyleSheet("QComboBox {combobox-popup: 0;}")
+
 
 class NSpinBox(QSpinBox):
     """Custom: Modified QSpinBox.

novelwriter/tools/manussettings.py

@@ -1329,6 +1329,9 @@ class _FormattingTab(NScrollableForm):
         self.pixH.setPixmap(SHARED.theme.getPixmap("fit_height", (iPx, iPx)))
         self.pixW.setPixmap(SHARED.theme.getPixmap("fit_width", (iPx, iPx)))
 
+        self.pageSize.updateStyle()
+        self.pageUnit.updateStyle()
+
     def loadContent(self) -> None:
         """Populate the widgets."""
         # Text Content