feat: add AutomationLanes and the highlighted track index

src/buildable/live_set.py

@@ -643,6 +643,39 @@ def view_state_sesstion_track_width(self) -> _Element:
         return _presence(self.element.find("ViewStateSesstionTrackWidth"))
 
 
+class AutomationLane(ElementObject):
+    TAG = "AutomationLane"
+
+    @xml_property(attrib="Value", property_type=int)
+    def is_content_selected_in_document(self) -> _Element:
+        return _presence(self.element.find("IsContentSelectedInDocument"))
+
+    @xml_property(attrib="Value", property_type=int)
+    def lane_height(self) -> _Element:
+        return _presence(self.element.find("LaneHeight"))
+
+    @xml_property(attrib="Value", property_type=int)
+    def selected_device(self) -> _Element:
+        return _presence(self.element.find("SelectedDevice"))
+
+    @xml_property(attrib="Value", property_type=int)
+    def selected_envelope(self) -> _Element:
+        return _presence(self.element.find("SelectedEnvelope"))
+
+
+class AutomationLanes(ElementObject):
+    TAG = "AutomationLanes"
+
+    def are_additional_automation_lanes_folded(self) -> _Element:
+        return _presence(self.element.find("AreAdditionalAutomationLanesFolded"))
+
+    @property
+    def automation_lanes(self) -> Sequence[AutomationLane]:
+        # There's an inner AutomationLanes tag which contains the actual lane objects.
+        automation_lanes_child = _presence(self.element.find("AutomationLanes"))
+        return tuple(AutomationLane(el) for el in automation_lanes_child)
+
+
 class DeviceChain(ElementObject):
     TAG = "DeviceChain"
 
@@ -654,6 +687,10 @@ def audio_input_routing(self) -> _Element:
     def audio_output_routing(self) -> _Element:
         return self.element
 
+    @child_element_object_property(property_type=AutomationLanes)
+    def automation_lanes(self) -> _Element:
+        return self.element
+
     @child_element_object_property(property_type=MidiInputRouting)
     def midi_input_routing(self) -> _Element:
         return self.element
@@ -886,6 +923,10 @@ def chooser_bar(self) -> _Element:
         """Selector for arrangment (0) or session (1) view."""
         return _presence(self._element.find("ChooserBar"))
 
+    @xml_property(attrib="Value", property_type=int)
+    def highlighted_track_index(self) -> _Element:
+        return _presence(self._element.find("HighlightedTrackIndex"))
+
     @xml_property(attrib="Value", property_type=bool)
     def view_state_main_window_clip_detail_open(self) -> _Element:
         return _presence(self._element.find("ViewStateMainWindowClipDetailOpen"))

tests/test_live_set.py

@@ -735,7 +735,11 @@ def test_view_properties(live_12_default_set: pathlib.Path):
 
     for track in (*live_set.primary_tracks, *live_set.return_tracks):
         track_width = track.device_chain.mixer.view_state_sesstion_track_width
-        assert track_width == 93, f"Unexpected track_width value: {track_width}"
+        assert track_width == 93, f"Unexpected track width: {track_width}"
+
+    for track in live_set.primary_tracks:
+        track_height = track.device_chain.automation_lanes.automation_lanes[0].lane_height
+        assert track_height == 68, f"Unexpected track height: {track_height}"
 
     # Change one property and make sure it gets saved.
     live_set.chooser_bar = LiveSet.CHOOSER_BAR_ARRANGEMENT