Fix ICC contrast configuration

Author: bigbruno

biglinux-livecd/usr/share/biglinux/livecd/services.py

@@ -279,6 +279,28 @@ def apply_jamesdsp_settings(self, enabled: bool):
                     as_root=False,
                 )
 
+    def apply_icc_profile_settings(self, enabled: bool):
+        """
+        Applies ICC profile configuration immediately.
+        This is called when a theme is selected, based on the switch state.
+        """
+        if enabled:
+            logger.info("Applying ICC profile enabled settings...")
+            self._run_command(["touch", self.tmp_display_profile_file], as_root=False)
+            self._run_command(
+                ["/usr/bin/icc_profile_apply", "enable"],
+                as_root=False,
+            )
+        else:
+            logger.info("Applying ICC profile disabled settings...")
+            self._run_command(
+                ["rm", "-f", self.tmp_display_profile_file], as_root=False
+            )
+            self._run_command(
+                ["/usr/bin/icc_profile_apply", "disable"],
+                as_root=False,
+            )
+
     def check_jamesdsp_availability(self) -> bool:
         """Checks if JamesDSP executable exists."""
         return os.path.exists("/usr/bin/jamesdsp")

biglinux-livecd/usr/share/biglinux/livecd/ui/theme_view.py

@@ -32,6 +32,7 @@ class ThemeView(BaseItemView):
     def __init__(self, system_service: SystemService, **kwargs):
         self.jamesdsp_switch = None
         self.contrast_switch = None
+        self._system_service = system_service  # Store reference for ICC callbacks
 
         self.jamesdsp_available = system_service.check_jamesdsp_availability()
         self.contrast_available = system_service.check_enhanced_contrast_availability()
@@ -183,6 +184,8 @@ def _create_contrast_card(self, parent_box):
         self.contrast_switch = Gtk.Switch(
             valign=Gtk.Align.CENTER, active=self.default_contrast_state
         )
+        # Connect callback to apply ICC profile immediately when switch state changes
+        self.contrast_switch.connect("notify::active", self._on_contrast_switch_toggled)
         content.append(self.contrast_switch)
 
         controller = Gtk.GestureClick.new()
@@ -262,3 +265,9 @@ def is_contrast_enabled(self) -> bool:
         if self.contrast_switch:
             return self.contrast_switch.get_active()
         return False
+
+    def _on_contrast_switch_toggled(self, switch, param):
+        """Called immediately when the ICC profile switch state changes."""
+        enabled = switch.get_active()
+        logger.info(f"ICC profile switch toggled: {'enabled' if enabled else 'disabled'}")
+        self._system_service.apply_icc_profile_settings(enabled)