fix(topbar): render filament icons in the bundled Momcake face

BlocksScreen/lib/panels/mainWindow.py

@@ -37,6 +37,7 @@
 from lib.ui.resources.main_menu_resources_rc import *
 from lib.ui.resources.top_bar_resources_rc import *
 from lib.updater_worker import UpdaterWorker
+from lib.utils.fonts import register_momcake
 from PyQt6 import QtCore, QtGui, QtWidgets
 from screensaver import ScreenSaver
 
@@ -121,6 +122,8 @@ def __init__(self):
         """Set up UI, instantiate subsystems, and wire all inter-component signals."""
         super(MainWindow, self).__init__()
         self.config: BlocksScreenConfig = get_configparser()
+        # Before setupUi: the topbar .svg icons carry text and paint on first show.
+        register_momcake()
         self.ui = Ui_MainWindow()
         self.ui.setupUi(self)
         self.screensaver = ScreenSaver(self)

BlocksScreen/lib/panels/widgets/inputshaperPage.py

@@ -2,6 +2,7 @@
 
 from lib.utils.blocks_button import BlocksCustomButton
 from lib.utils.blocks_frame import BlocksCustomFrame
+from lib.utils.fonts import register_momcake
 from lib.utils.icon_button import IconButton
 from lib.utils.list_model import EntryDelegate, EntryListModel, ListItem
 from PyQt6 import QtCore, QtGui, QtWidgets
@@ -135,10 +136,7 @@ def add_type_entry(self, cli_name: str, recommended: str = "") -> None:
 
     def _setupUI(self) -> None:
         """Setup UI for updatePage"""
-        font_id = QtGui.QFontDatabase.addApplicationFont(
-            ":/font/media/fonts for text/Momcake-Bold.ttf"
-        )
-        font_family = QtGui.QFontDatabase.applicationFontFamilies(font_id)[0]
+        font_family = register_momcake()
         sizePolicy = QtWidgets.QSizePolicy(
             QtWidgets.QSizePolicy.Policy.MinimumExpanding,
             QtWidgets.QSizePolicy.Policy.MinimumExpanding,

BlocksScreen/lib/panels/widgets/sensorsPanel.py

@@ -2,6 +2,7 @@
 
 from lib.panels.widgets.sensorWidget import SensorWidget
 from lib.utils.blocks_frame import BlocksCustomFrame
+from lib.utils.fonts import register_momcake
 from lib.utils.icon_button import IconButton
 from lib.utils.list_model import EntryDelegate, EntryListModel, ListItem
 from PyQt6 import QtCore, QtGui, QtWidgets
@@ -130,10 +131,7 @@ def create_sensor_widget(self, name: str) -> SensorWidget:
 
     def _setupUi(self) -> None:
         """Setup UI for updatePage"""
-        font_id = QtGui.QFontDatabase.addApplicationFont(
-            ":/font/media/fonts for text/Momcake-Bold.ttf"
-        )
-        font_family = QtGui.QFontDatabase.applicationFontFamilies(font_id)[0]
+        font_family = register_momcake()
         sizePolicy = QtWidgets.QSizePolicy(
             QtWidgets.QSizePolicy.Policy.MinimumExpanding,
             QtWidgets.QSizePolicy.Policy.MinimumExpanding,

BlocksScreen/lib/panels/widgets/updatePage.py

@@ -5,6 +5,7 @@
 import typing
 from types import MappingProxyType
 
+from lib.utils.fonts import register_momcake
 from PyQt6 import QtCore, QtGui, QtWidgets
 
 from BlocksScreen.lib.panels.widgets.basePopup import BasePopup
@@ -492,15 +493,10 @@ def show_loading(self, loading: bool = False) -> None:
         self.disable_popups.emit(loading)
 
     def _setupUI(self) -> None:
-        bold_id = QtGui.QFontDatabase.addApplicationFont(
-            ":/font/media/fonts for text/Momcake-Bold.ttf"
-        )
-        self._font_family = QtGui.QFontDatabase.applicationFontFamilies(bold_id)[0]
-        thin_id = QtGui.QFontDatabase.addApplicationFont(
-            ":/font/media/fonts for text/Momcake-Thin.ttf"
-        )
-        thin_families = QtGui.QFontDatabase.applicationFontFamilies(thin_id)
-        _title_family = thin_families[0] if thin_families else ""
+        # Qt files the Thin and Bold faces under one family, so both ids gave the
+        # same name here; the weight is chosen per QFont, not per family.
+        self._font_family = register_momcake()
+        _title_family = self._font_family
 
         self.setObjectName("updatePage")
         self.setStyleSheet(