persist BackendAttrib across sessions

wlx-common/src/overlays.rs

@@ -15,3 +15,39 @@ pub enum ToastDisplayMethod {
 	Center,
 	Watch,
 }
+
+#[derive(Clone, Copy)]
+pub enum BackendAttrib {
+	Stereo,
+	MouseTransform,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub enum BackendAttribValue {
+	Stereo(StereoMode),
+	MouseTransform(MouseTransform),
+}
+
+#[derive(Default, Debug, Clone, Copy, Serialize, Deserialize)]
+pub enum StereoMode {
+	#[default]
+	None,
+	LeftRight,
+	RightLeft,
+	TopBottom,
+	BottomTop,
+}
+
+#[derive(Default, Debug, Clone, Copy, Serialize, Deserialize)]
+pub enum MouseTransform {
+	#[default]
+	Default,
+	Normal,
+	Rotated90,
+	Rotated180,
+	Rotated270,
+	Flipped,
+	Flipped90,
+	Flipped180,
+	Flipped270,
+}