Timeline Widget using Qt model view.
- Drag and Drop on to Timeline.
- Video and Audio Clips/Tracks
- Clip Resizing
- Clip Cutting
- Clip Deleting
- Tracklist Drag-Drop Reordering
- Dynamic Ruler Increments Based on Zoom
- Always Visible Clip Lables
- Hover and Selection Indicators
- Current Frame Display Above Tracklist
- Cahced View Data
- Transitions on Clip Intersections
- Multi-Selection
- Drag Previews
- Individual Track Height Resizing
- Thumbnails