fix: minor updated the region lasso selection behavior

2026-05-04 18:34:29 -07:00
parent f323f1a6b5
commit a2f12ca961
3 changed files with 51 additions and 3 deletions
@@ -94,6 +94,7 @@ const MainContent: React.FC<MainContentProps> = ({

  // Refs to track pending updates for verification
  const pendingUpdates = useRef<Map<string, { trackId: string, regionId: string, startBeat: number, length: number }>>(new Map());
+  const preventEmptyMainContentDeselectRef = useRef(false);

  // Refs for auto-scroll during playback
  const mainContentRef = useRef<HTMLDivElement | null>(null);
@@ -632,9 +633,18 @@ const MainContent: React.FC<MainContentProps> = ({
      return;
    }

+    if (preventEmptyMainContentDeselectRef.current) {
+      preventEmptyMainContentDeselectRef.current = false;
+      return;
+    }
+
    handleRegionLassoSelection([], { shiftKey: false });
  };

+  const handleRegionLassoCommit = () => {
+    preventEmptyMainContentDeselectRef.current = true;
+  };
+
  // Handle region single click: selection only (no piano roll opening)
  const handleRegionClick = (regionId: string, options: RegionClickOptions = { shiftKey: false }) => {
    if (DEBUG_MODE.MAIN_CONTENT) {
@@ -990,6 +1000,7 @@ const MainContent: React.FC<MainContentProps> = ({
            onRegionUpdated={handleRegionUpdated}
            onRegionClick={handleRegionClick}
            onRegionLassoSelection={handleRegionLassoSelection}
+            onRegionLassoCommit={handleRegionLassoCommit}
            onOpenPianoRoll={handleOpenPianoRoll}
            onOpenSpectrogram={handleOpenSpectrogram}
            showHybridButtonForAudio={showHybridButtonForAudio}