feat:implemented-undo-feature-for-timeline

1 files changed, 13 insertions, 1 deletions

diff --git a/apps/web/src/components/editor/timeline.tsx b/apps/web/src/components/editor/timeline.tsx
index fb94b374..484e1a6b 100644
--- a/apps/web/src/components/editor/timeline.tsx
+++ b/apps/web/src/components/editor/timeline.tsx
@@ -40,7 +40,7 @@ export function Timeline() {
   // Timeline shows all tracks (video, audio, effects) and their clips.

   // You can drag media here to add it to your project.

   // Clips can be trimmed, deleted, and moved.

-  const { tracks, addTrack, addClipToTrack, removeTrack, toggleTrackMute, removeClipFromTrack, moveClipToTrack, getTotalDuration, selectedClips, selectClip, deselectClip, clearSelectedClips, setSelectedClips, updateClipTrim } =

+  const { tracks, addTrack, addClipToTrack, removeTrack, toggleTrackMute, removeClipFromTrack, moveClipToTrack, getTotalDuration, selectedClips, selectClip, deselectClip, clearSelectedClips, setSelectedClips, updateClipTrim, undo } =

     useTimelineStore();

   const { mediaItems, addMediaItem } = useMediaStore();

   const { currentTime, duration, seek, setDuration, isPlaying, play, pause, toggle, setSpeed, speed } = usePlaybackStore();

@@ -98,6 +98,18 @@ export function Timeline() {
     return () => window.removeEventListener("keydown", handleKeyDown);

   }, [selectedClips, removeClipFromTrack, clearSelectedClips]);

 

+  // Keyboard event for undo (Cmd+Z)

+  useEffect(() => {

+    const handleKeyDown = (e: KeyboardEvent) => {

+      if ((e.metaKey || e.ctrlKey) && e.key === "z" && !e.shiftKey) {

+        e.preventDefault();

+        undo();

+      }

+    };

+    window.addEventListener("keydown", handleKeyDown);

+    return () => window.removeEventListener("keydown", handleKeyDown);

+  }, [undo]);

+

   // Mouse down on timeline background to start marquee

   const handleTimelineMouseDown = (e: React.MouseEvent) => {

     if (e.target === e.currentTarget && e.button === 0) {