Add UI follows track cursor selection

dozius · Jan 2, 2022 · 3324b86 · 3324b86
1 parent b42843a
commit 3324b86
Showing 1 changed file with 21 additions and 0 deletions.
diff --git a/src/main/java/io/github/dozius/TwisterSisterExtension.java b/src/main/java/io/github/dozius/TwisterSisterExtension.java
@@ -272,6 +272,8 @@ private void addTrackKnobs()
     sendBank.itemCount().markInterested();
     send.sendChannelColor().markInterested();
 
+    setupUIFollowsCursor(cursorTrack);
+
     final TwisterKnob selectionKnob = knobs[0];
     selectionKnob.setBinding(cursorTrack);
     selectionKnob.ringLight().observeValue(new CursorNormalizedValue(cursorTrack, trackBank));
@@ -374,6 +376,25 @@ private void addDeviceKnobs()
     }
   }
 
+  /**
+   * Makes the UI follow the track cursor selection.
+   *
+   * Only follows when the cursor is not pinned.
+   *
+   * @param cursorTrack The cursor to follow.
+   */
+  private void setupUIFollowsCursor(CursorTrack cursorTrack)
+  {
+    cursorTrack.isPinned().markInterested();
+
+    cursorTrack.position().addValueObserver((position) -> {
+      if (!cursorTrack.isPinned().get()) {
+        cursorTrack.makeVisibleInArranger();
+        cursorTrack.makeVisibleInMixer();
+      }
+    });
+  }
+
   /**
    * Helper to bind a pinnable cursors pinned state to a light indicator.
    *