blob: 68dd06effaa91cb2c1453a9ff18c4a94115780b5 (plain)

ofs	hex dump	ascii
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1a40	20 20 20 20 20 20 20 20 20 20 7d 0a 0a 20 20 20 20 20 20 20 20 20 20 20 20 76 61 72 20 69 64 78	..........}..............var.idx
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1a80	20 20 20 20 20 20 20 20 20 20 20 72 65 74 75 72 6e 20 69 64 78 20 3e 20 30 20 3f 20 69 74 65 6d	...........return.idx.>.0.?.item
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1b00	6c 20 63 6c 69 70 4f 6e 6c 79 29 0a 20 20 20 20 20 20 20 20 7b 0a 20 20 20 20 20 20 20 20 20 20	l.clipOnly).........{...........
1b20	20 20 76 61 72 20 69 74 65 6d 73 20 3d 20 69 74 65 6d 2e 70 61 72 65 6e 74 54 72 61 63 6b 2e 47	..var.items.=.item.parentTrack.G
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1b60	20 69 66 20 28 63 6c 69 70 4f 6e 6c 79 29 0a 20 20 20 20 20 20 20 20 20 20 20 20 7b 0a 20 20 20	.if.(clipOnly).............{....
1b80	20 20 20 20 20 20 20 20 20 20 20 20 20 69 74 65 6d 73 20 3d 20 69 74 65 6d 73 2e 57 68 65 72 65	.............items.=.items.Where
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1bc0	20 20 20 20 20 20 20 20 20 20 20 20 7d 0a 20 20 20 20 20 20 20 20 20 20 20 20 65 6c 73 65 0a 20	............}.............else..
1be0	20 20 20 20 20 20 20 20 20 20 20 7b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 69 74 65	...........{.................ite
1c00	6d 73 20 3d 20 20 69 74 65 6d 73 2e 57 68 65 72 65 28 78 20 3d 3e 20 78 20 69 73 20 4d 61 72 6b	ms.=..items.Where(x.=>.x.is.Mark
1c20	65 72 49 74 65 6d 29 2e 54 6f 41 72 72 61 79 28 29 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 7d	erItem).ToArray();.............}
1c40	0a 0a 20 20 20 20 20 20 20 20 20 20 20 20 76 61 72 20 69 64 78 20 3d 20 41 72 72 61 79 2e 49 6e	..............var.idx.=.Array.In
1c60	64 65 78 4f 66 28 69 74 65 6d 73 2c 20 69 74 65 6d 29 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20	dexOf(items,.item);.............
1c80	72 65 74 75 72 6e 20 69 64 78 20 3c 20 69 74 65 6d 73 2e 4c 65 6e 67 74 68 20 2d 20 31 20 3f 20	return.idx.<.items.Length.-.1.?.
1ca0	69 74 65 6d 73 5b 69 64 78 20 2b 20 31 5d 20 3a 20 6e 75 6c 6c 3b 0a 20 20 20 20 20 20 20 20 7d	items[idx.+.1].:.null;.........}
1cc0	0a 0a 20 20 20 20 20 20 20 20 73 74 61 74 69 63 20 62 6f 6f 6c 20 46 69 6c 74 65 72 49 74 65 6d	..........static.bool.FilterItem
1ce0	73 28 72 65 66 20 4c 69 73 74 3c 49 54 69 6d 65 6c 69 6e 65 49 74 65 6d 3e 20 69 74 65 6d 73 29	s(ref.List<ITimelineItem>.items)
1d00	0a 20 20 20 20 20 20 20 20 7b 0a 20 20 20 20 20 20 20 20 20 20 20 20 76 61 72 20 63 6c 69 70 4f	.........{.............var.clipO
1d20	6e 6c 79 20 3d 20 66 61 6c 73 65 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 69 66 20 28 69 74 65	nly.=.false;.............if.(ite
1d40	6d 73 2e 41 6e 79 28 78 20 3d 3e 20 78 20 69 73 20 43 6c 69 70 49 74 65 6d 29 29 0a 20 20 20 20	ms.Any(x.=>.x.is.ClipItem)).....
1d60	20 20 20 20 20 20 20 20 7b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 69 74 65 6d 73 20	........{.................items.
1d80	3d 20 69 74 65 6d 73 2e 57 68 65 72 65 28 78 20 3d 3e 20 78 20 69 73 20 43 6c 69 70 49 74 65 6d	=.items.Where(x.=>.x.is.ClipItem
1da0	29 2e 54 6f 4c 69 73 74 28 29 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 63 6c 69 70	).ToList();.................clip
1dc0	4f 6e 6c 79 20 3d 20 74 72 75 65 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 7d 0a 0a 20 20 20 20	Only.=.true;.............}......
1de0	20 20 20 20 20 20 20 20 72 65 74 75 72 6e 20 63 6c 69 70 4f 6e 6c 79 3b 0a 20 20 20 20 20 20 20	........return.clipOnly;........
1e00	20 7d 0a 0a 20 20 20 20 20 20 20 20 73 74 61 74 69 63 20 49 54 69 6d 65 6c 69 6e 65 49 74 65 6d	.}..........static.ITimelineItem
1e20	20 47 65 74 43 6c 6f 73 65 73 74 49 74 65 6d 28 54 72 61 63 6b 41 73 73 65 74 20 74 72 61 63 6b	.GetClosestItem(TrackAsset.track
1e40	2c 20 49 54 69 6d 65 6c 69 6e 65 49 74 65 6d 20 72 65 66 49 74 65 6d 29 0a 20 20 20 20 20 20 20	,.ITimelineItem.refItem)........
1e60	20 7b 0a 20 20 20 20 20 20 20 20 20 20 20 20 76 61 72 20 73 74 61 72 74 20 3d 20 72 65 66 49 74	.{.............var.start.=.refIt
1e80	65 6d 2e 73 74 61 72 74 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 76 61 72 20 65 6e 64 20 3d 20	em.start;.............var.end.=.
1ea0	72 65 66 49 74 65 6d 2e 65 6e 64 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 76 61 72 20 69 74 65	refItem.end;.............var.ite
1ec0	6d 73 20 3d 20 74 72 61 63 6b 2e 47 65 74 49 74 65 6d 73 28 29 2e 54 6f 4c 69 73 74 28 29 3b 0a	ms.=.track.GetItems().ToList();.
1ee0	0a 20 20 20 20 20 20 20 20 20 20 20 20 69 66 20 28 72 65 66 49 74 65 6d 20 69 73 20 43 6c 69 70	.............if.(refItem.is.Clip
1f00	49 74 65 6d 29 0a 20 20 20 20 20 20 20 20 20 20 20 20 7b 0a 20 20 20 20 20 20 20 20 20 20 20 20	Item).............{.............
1f20	20 20 20 20 69 74 65 6d 73 20 3d 20 69 74 65 6d 73 2e 57 68 65 72 65 28 78 20 3d 3e 20 78 20 69	....items.=.items.Where(x.=>.x.i
1f40	73 20 43 6c 69 70 49 74 65 6d 29 2e 54 6f 4c 69 73 74 28 29 3b 0a 20 20 20 20 20 20 20 20 20 20	s.ClipItem).ToList();...........
1f60	20 20 7d 0a 20 20 20 20 20 20 20 20 20 20 20 20 65 6c 73 65 0a 20 20 20 20 20 20 20 20 20 20 20	..}.............else............
1f80	20 7b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 69 74 65 6d 73 20 3d 20 20 69 74 65 6d	.{.................items.=..item
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1fc0	4c 69 73 74 28 29 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 7d 0a 0a 20 20 20 20 20 20 20 20 20	List();.............}...........
1fe0	20 20 20 69 66 20 28 21 69 74 65 6d 73 2e 41 6e 79 28 29 29 0a 20 20 20 20 20 20 20 20 20 20 20	...if.(!items.Any())............
2000	20 20 20 20 20 72 65 74 75 72 6e 20 6e 75 6c 6c 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 49 54	.....return.null;.............IT
2020	69 6d 65 6c 69 6e 65 49 74 65 6d 20 72 65 74 20 3d 20 6e 75 6c 6c 3b 0a 20 20 20 20 20 20 20 20	imelineItem.ret.=.null;.........
2040	20 20 20 20 76 61 72 20 73 63 6f 72 65 54 6f 42 65 61 74 20 3d 20 64 6f 75 62 6c 65 2e 4e 65 67	....var.scoreToBeat.=.double.Neg
2060	61 74 69 76 65 49 6e 66 69 6e 69 74 79 3b 0a 0a 20 20 20 20 20 20 20 20 20 20 20 20 66 6f 72 65	ativeInfinity;..............fore
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20a0	20 20 20 20 7b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 2f 2f 20 74 65 73 74 20 66 6f	....{.................//.test.fo
20c0	72 20 6f 76 65 72 6c 61 70 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 76 61 72 20 6c 6f	r.overlap.................var.lo
20e0	77 20 3d 20 4d 61 74 68 2e 4d 61 78 28 69 74 65 6d 2e 73 74 61 72 74 2c 20 73 74 61 72 74 29 3b	w.=.Math.Max(item.start,.start);
2100	0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 76 61 72 20 68 69 67 68 20 3d 20 4d 61 74 68	.................var.high.=.Math
2120	2e 4d 69 6e 28 69 74 65 6d 2e 65 6e 64 2c 20 65 6e 64 29 3b 0a 20 20 20 20 20 20 20 20 20 20 20	.Min(item.end,.end);............
2140	20 20 20 20 20 69 66 20 28 6c 6f 77 20 3c 3d 20 68 69 67 68 29 0a 20 20 20 20 20 20 20 20 20 20	.....if.(low.<=.high)...........
2160	20 20 20 20 20 20 7b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 76 61 72 20	......{.....................var.
2180	73 63 6f 72 65 20 3d 20 68 69 67 68 20 2d 20 6c 6f 77 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20	score.=.high.-.low;.............
21a0	20 20 20 20 20 20 20 20 69 66 20 28 73 63 6f 72 65 20 3e 3d 20 73 63 6f 72 65 54 6f 42 65 61 74	........if.(score.>=.scoreToBeat
21c0	29 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 7b 0a 20 20 20 20 20 20 20 20	).....................{.........
21e0	20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 73 63 6f 72 65 54 6f 42 65 61 74 20 3d 20 73 63	................scoreToBeat.=.sc
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2220	20 3d 20 69 74 65 6d 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 7d 0a 20	.=.item;.....................}..
2240	20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 7d 0a 20 20 20 20 20 20 20 20 20 20 20 20 7d 0a 0a	...............}.............}..
2260	20 20 20 20 20 20 20 20 20 20 20 20 72 65 74 75 72 6e 20 72 65 74 3b 0a 20 20 20 20 20 20 20 20	............return.ret;.........
2280	7d 0a 0a 20 20 20 20 20 20 20 20 70 75 62 6c 69 63 20 73 74 61 74 69 63 20 62 6f 6f 6c 20 46 6f	}..........public.static.bool.Fo
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22c0	73 74 61 74 65 2c 0a 20 20 20 20 20 20 20 20 20 20 20 20 49 45 6e 75 6d 65 72 61 62 6c 65 3c 54	state,.............IEnumerable<T
22e0	72 61 63 6b 41 73 73 65 74 3e 20 66 6f 63 75 73 54 72 61 63 6b 73 20 3d 20 6e 75 6c 6c 29 0a 20	rackAsset>.focusTracks.=.null)..
2300	20 20 20 20 20 20 20 7b 0a 20 20 20 20 20 20 20 20 20 20 20 20 76 61 72 20 74 69 6d 65 52 61 6e	.......{.............var.timeRan
2320	67 65 20 3d 20 73 74 61 74 65 2e 74 69 6d 65 41 72 65 61 53 68 6f 77 6e 52 61 6e 67 65 3b 0a 0a	ge.=.state.timeAreaShownRange;..
2340	20 20 20 20 20 20 20 20 20 20 20 20 76 61 72 20 74 72 61 63 6b 73 20 3d 20 66 6f 63 75 73 54 72	............var.tracks.=.focusTr
2360	61 63 6b 73 20 3f 3f 20 54 69 6d 65 6c 69 6e 65 57 69 6e 64 6f 77 2e 69 6e 73 74 61 6e 63 65 2e	acks.??.TimelineWindow.instance.
2380	74 72 65 65 56 69 65 77 2e 76 69 73 69 62 6c 65 54 72 61 63 6b 73 2e 57 68 65 72 65 28 78 20 3d	treeView.visibleTracks.Where(x.=
23a0	3e 20 78 2e 49 73 56 69 73 69 62 6c 65 52 65 63 75 72 73 69 76 65 28 29 20 26 26 20 78 2e 47 65	>.x.IsVisibleRecursive().&&.x.Ge
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23e0	20 69 74 65 6d 73 20 3d 20 74 72 61 63 6b 73 2e 53 65 6c 65 63 74 4d 61 6e 79 28 74 20 3d 3e 20	.items.=.tracks.SelectMany(t.=>.
2400	74 2e 47 65 74 49 74 65 6d 73 28 29 2e 4f 66 54 79 70 65 3c 43 6c 69 70 49 74 65 6d 3e 28 29 2e	t.GetItems().OfType<ClipItem>().
2420	57 68 65 72 65 28 78 20 3d 3e 20 78 2e 65 6e 64 20 3e 3d 20 74 69 6d 65 52 61 6e 67 65 2e 78 20	Where(x.=>.x.end.>=.timeRange.x.
2440	26 26 20 78 2e 65 6e 64 20 3c 3d 20 74 69 6d 65 52 61 6e 67 65 2e 79 20 7c 7c 0a 20 20 20 20 20	&&.x.end.<=.timeRange.y.||......
2460	20 20 20 20 20 20 20 20 20 20 20 78 2e 73 74 61 72 74 20 3e 3d 20 74 69 6d 65 52 61 6e 67 65 2e	...........x.start.>=.timeRange.
2480	78 20 26 26 20 78 2e 73 74 61 72 74 20 3c 3d 20 74 69 6d 65 52 61 6e 67 65 2e 79 29 29 2e 54 6f	x.&&.x.start.<=.timeRange.y)).To
24a0	4c 69 73 74 28 29 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 76 61 72 20 69 74 65 6d 46 75 6c 6c	List();.............var.itemFull
24c0	79 49 6e 56 69 65 77 20 3d 20 69 74 65 6d 73 2e 57 68 65 72 65 28 78 20 3d 3e 20 78 2e 65 6e 64	yInView.=.items.Where(x.=>.x.end
24e0	20 3e 3d 20 74 69 6d 65 52 61 6e 67 65 2e 78 20 26 26 20 78 2e 65 6e 64 20 3c 3d 20 74 69 6d 65	.>=.timeRange.x.&&.x.end.<=.time
2500	52 61 6e 67 65 2e 79 20 26 26 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 78 2e 73 74 61	Range.y.&&.................x.sta
2520	72 74 20 3e 3d 20 74 69 6d 65 52 61 6e 67 65 2e 78 20 26 26 20 78 2e 73 74 61 72 74 20 3c 3d 20	rt.>=.timeRange.x.&&.x.start.<=.
2540	74 69 6d 65 52 61 6e 67 65 2e 79 29 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 76 61 72 20 69 74	timeRange.y);.............var.it
2560	65 6d 54 6f 53 65 6c 65 63 74 20 3d 20 69 74 65 6d 46 75 6c 6c 79 49 6e 56 69 65 77 2e 46 69 72	emToSelect.=.itemFullyInView.Fir
2580	73 74 4f 72 44 65 66 61 75 6c 74 28 29 20 3f 3f 20 69 74 65 6d 73 2e 46 69 72 73 74 4f 72 44 65	stOrDefault().??.items.FirstOrDe
25a0	66 61 75 6c 74 28 29 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 69 66 20 28 69 74 65 6d 54 6f 53	fault();.............if.(itemToS
25c0	65 6c 65 63 74 20 21 3d 20 6e 75 6c 6c 29 0a 20 20 20 20 20 20 20 20 20 20 20 20 7b 0a 20 20 20	elect.!=.null).............{....
25e0	20 20 20 20 20 20 20 20 20 20 20 20 20 53 65 6c 65 63 74 69 6f 6e 4d 61 6e 61 67 65 72 2e 53 65	.............SelectionManager.Se
2600	6c 65 63 74 4f 6e 6c 79 28 69 74 65 6d 54 6f 53 65 6c 65 63 74 29 3b 0a 20 20 20 20 20 20 20 20	lectOnly(itemToSelect);.........
2620	20 20 20 20 20 20 20 20 72 65 74 75 72 6e 20 74 72 75 65 3b 0a 20 20 20 20 20 20 20 20 20 20 20	........return.true;............
2640	20 7d 0a 20 20 20 20 20 20 20 20 20 20 20 20 72 65 74 75 72 6e 20 66 61 6c 73 65 3b 0a 20 20 20	.}.............return.false;....
2660	20 20 20 20 20 7d 0a 0a 20 20 20 20 20 20 20 20 70 75 62 6c 69 63 20 73 74 61 74 69 63 20 62 6f	.....}..........public.static.bo
2680	6f 6c 20 43 6f 6c 6c 61 70 73 65 47 72 6f 75 70 28 57 69 6e 64 6f 77 53 74 61 74 65 20 73 74 61	ol.CollapseGroup(WindowState.sta
26a0	74 65 29 0a 20 20 20 20 20 20 20 20 7b 0a 20 20 20 20 20 20 20 20 20 20 20 20 69 66 20 28 54 72	te).........{.............if.(Tr
26c0	61 63 6b 48 65 61 64 41 63 74 69 76 65 28 29 29 0a 20 20 20 20 20 20 20 20 20 20 20 20 7b 0a 20	ackHeadActive()).............{..
26e0	20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 76 61 72 20 71 75 69 74 20 3d 20 66 61 6c 73 65 3b	...............var.quit.=.false;
2700	0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 66 6f 72 65 61 63 68 20 28 76 61 72 20 74 72	.................foreach.(var.tr
2720	61 63 6b 20 69 6e 20 53 65 6c 65 63 74 69 6f 6e 4d 61 6e 61 67 65 72 2e 53 65 6c 65 63 74 65 64	ack.in.SelectionManager.Selected
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2ac0	63 20 73 74 61 74 69 63 20 62 6f 6f 6c 20 53 65 6c 65 63 74 4c 65 66 74 49 74 65 6d 28 57 69 6e	c.static.bool.SelectLeftItem(Win
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2b40	20 20 20 20 20 20 20 20 20 20 20 20 20 20 76 61 72 20 69 74 65 6d 73 20 3d 20 53 65 6c 65 63 74	..............var.items.=.Select
2b60	69 6f 6e 4d 61 6e 61 67 65 72 2e 53 65 6c 65 63 74 65 64 49 74 65 6d 73 28 29 2e 54 6f 4c 69 73	ionManager.SelectedItems().ToLis
2b80	74 28 29 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 76 61 72 20 63 6c 69 70 4f 6e 6c	t();.................var.clipOnl
2ba0	79 20 3d 20 46 69 6c 74 65 72 49 74 65 6d 73 28 72 65 66 20 69 74 65 6d 73 29 3b 0a 0a 20 20 20	y.=.FilterItems(ref.items);.....
2bc0	20 20 20 20 20 20 20 20 20 20 20 20 20 76 61 72 20 69 74 65 6d 20 3d 20 69 74 65 6d 73 2e 4c 61	.............var.item.=.items.La
2be0	73 74 28 29 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 76 61 72 20 70 72 65 76 20 3d	st();.................var.prev.=
2c00	20 69 74 65 6d 2e 50 72 65 76 69 6f 75 73 49 74 65 6d 28 63 6c 69 70 4f 6e 6c 79 29 3b 0a 20 20	.item.PreviousItem(clipOnly);...
2c20	20 20 20 20 20 20 20 20 20 20 20 20 20 20 69 66 20 28 70 72 65 76 20 21 3d 20 6e 75 6c 6c 29 0a	..............if.(prev.!=.null).
2c40	20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 7b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20	................{...............
2c60	20 20 20 20 20 20 69 66 20 28 73 68 69 66 74 29 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20	......if.(shift)................
2c80	20 20 20 20 20 7b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 69	.....{.........................i
2ca0	66 20 28 53 65 6c 65 63 74 69 6f 6e 4d 61 6e 61 67 65 72 2e 43 6f 6e 74 61 69 6e 73 28 70 72 65	f.(SelectionManager.Contains(pre
2cc0	76 29 29 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20	v)).............................
2ce0	53 65 6c 65 63 74 69 6f 6e 4d 61 6e 61 67 65 72 2e 52 65 6d 6f 76 65 28 69 74 65 6d 29 3b 0a 20	SelectionManager.Remove(item);..
2d00	20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 53 65 6c 65 63 74 69 6f 6e	.......................Selection
2d20	4d 61 6e 61 67 65 72 2e 41 64 64 28 70 72 65 76 29 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20	Manager.Add(prev);..............
2d40	20 20 20 20 20 20 20 7d 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 65 6c 73	.......}.....................els
2d60	65 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 53 65 6c 65 63 74	e.........................Select
2d80	69 6f 6e 4d 61 6e 61 67 65 72 2e 53 65 6c 65 63 74 4f 6e 6c 79 28 70 72 65 76 29 3b 0a 20 20 20	ionManager.SelectOnly(prev);....
2da0	20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 54 69 6d 65 6c 69 6e 65 48 65 6c 70 65 72 73	.................TimelineHelpers
2dc0	2e 46 72 61 6d 65 49 74 65 6d 73 28 73 74 61 74 65 2c 20 6e 65 77 5b 5d 20 7b 70 72 65 76 7d 29	.FrameItems(state,.new[].{prev})
2de0	3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 7d 0a 20 20 20 20 20 20 20 20 20 20 20 20	;.................}.............
2e00	20 20 20 20 65 6c 73 65 20 69 66 20 28 69 74 65 6d 20 21 3d 20 6e 75 6c 6c 20 26 26 20 21 73 68	....else.if.(item.!=.null.&&.!sh
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2e40	2e 65 64 69 74 53 65 71 75 65 6e 63 65 2e 61 73 73 65 74 2e 6d 61 72 6b 65 72 54 72 61 63 6b 29	.editSequence.asset.markerTrack)
2e60	0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 53 65 6c 65 63 74 69 6f 6e 4d 61	.....................SelectionMa
2e80	6e 61 67 65 72 2e 53 65 6c 65 63 74 4f 6e 6c 79 28 69 74 65 6d 2e 70 61 72 65 6e 74 54 72 61 63	nager.SelectOnly(item.parentTrac
2ea0	6b 29 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 72 65 74 75 72 6e 20 74 72 75 65 3b	k);.................return.true;
2ec0	0a 20 20 20 20 20 20 20 20 20 20 20 20 7d 0a 20 20 20 20 20 20 20 20 20 20 20 20 72 65 74 75 72	.............}.............retur
2ee0	6e 20 66 61 6c 73 65 3b 0a 20 20 20 20 20 20 20 20 7d 0a 0a 20 20 20 20 20 20 20 20 70 75 62 6c	n.false;.........}..........publ
2f00	69 63 20 73 74 61 74 69 63 20 62 6f 6f 6c 20 53 65 6c 65 63 74 52 69 67 68 74 49 74 65 6d 28 57	ic.static.bool.SelectRightItem(W
2f20	69 6e 64 6f 77 53 74 61 74 65 20 73 74 61 74 65 2c 20 62 6f 6f 6c 20 73 68 69 66 74 20 3d 20 66	indowState.state,.bool.shift.=.f
2f40	61 6c 73 65 29 0a 20 20 20 20 20 20 20 20 7b 0a 20 20 20 20 20 20 20 20 20 20 20 20 69 66 20 28	alse).........{.............if.(
2f60	43 6c 69 70 41 72 65 61 41 63 74 69 76 65 28 29 29 0a 20 20 20 20 20 20 20 20 20 20 20 20 7b 0a	ClipAreaActive()).............{.
2f80	20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 76 61 72 20 69 74 65 6d 73 20 3d 20 53 65 6c 65	................var.items.=.Sele
2fa0	63 74 69 6f 6e 4d 61 6e 61 67 65 72 2e 53 65 6c 65 63 74 65 64 49 74 65 6d 73 28 29 2e 54 6f 4c	ctionManager.SelectedItems().ToL
2fc0	69 73 74 28 29 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 76 61 72 20 63 6c 69 70 4f	ist();.................var.clipO
2fe0	6e 6c 79 20 3d 20 46 69 6c 74 65 72 49 74 65 6d 73 28 72 65 66 20 69 74 65 6d 73 29 3b 0a 0a 20	nly.=.FilterItems(ref.items);...
3000	20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 76 61 72 20 69 74 65 6d 20 3d 20 69 74 65 6d 73 2e	...............var.item.=.items.
3020	4c 61 73 74 28 29 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 76 61 72 20 6e 65 78 74	Last();.................var.next
3040	20 3d 20 69 74 65 6d 2e 4e 65 78 74 49 74 65 6d 28 63 6c 69 70 4f 6e 6c 79 29 3b 0a 20 20 20 20	.=.item.NextItem(clipOnly);.....
3060	20 20 20 20 20 20 20 20 20 20 20 20 69 66 20 28 6e 65 78 74 20 21 3d 20 6e 75 6c 6c 29 0a 20 20	............if.(next.!=.null)...
3080	20 20 20 20 20 20 20 20 20 20 20 20 20 20 7b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20	..............{.................
30a0	20 20 20 20 69 66 20 28 73 68 69 66 74 29 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20	....if.(shift)..................
30c0	20 20 20 7b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 69 66 20	...{.........................if.
30e0	28 53 65 6c 65 63 74 69 6f 6e 4d 61 6e 61 67 65 72 2e 43 6f 6e 74 61 69 6e 73 28 6e 65 78 74 29	(SelectionManager.Contains(next)
3100	29 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 53 65	).............................Se
3120	6c 65 63 74 69 6f 6e 4d 61 6e 61 67 65 72 2e 52 65 6d 6f 76 65 28 69 74 65 6d 29 3b 0a 20 20 20	lectionManager.Remove(item);....
3140	20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 53 65 6c 65 63 74 69 6f 6e 4d 61	.....................SelectionMa
3160	6e 61 67 65 72 2e 41 64 64 28 6e 65 78 74 29 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20	nager.Add(next);................
3180	20 20 20 20 20 7d 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 65 6c 73 65 0a	.....}.....................else.
31a0	20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 53 65 6c 65 63 74 69 6f	........................Selectio
31c0	6e 4d 61 6e 61 67 65 72 2e 53 65 6c 65 63 74 4f 6e 6c 79 28 6e 65 78 74 29 3b 0a 20 20 20 20 20	nManager.SelectOnly(next);......
31e0	20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 54 69 6d 65 6c 69 6e 65 48 65 6c 70 65 72 73 2e 46	...............TimelineHelpers.F
3200	72 61 6d 65 49 74 65 6d 73 28 73 74 61 74 65 2c 20 6e 65 77 5b 5d 20 7b 6e 65 78 74 7d 29 3b 0a	rameItems(state,.new[].{next});.
3220	20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 72 65 74 75 72 6e 20 74 72 75 65 3b	....................return.true;
3240	0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 7d 0a 20 20 20 20 20 20 20 20 20 20 20 20 7d	.................}.............}
3260	0a 20 20 20 20 20 20 20 20 20 20 20 20 72 65 74 75 72 6e 20 66 61 6c 73 65 3b 0a 20 20 20 20 20	.............return.false;......
3280	20 20 20 7d 0a 0a 20 20 20 20 20 20 20 20 70 75 62 6c 69 63 20 73 74 61 74 69 63 20 62 6f 6f 6c	...}..........public.static.bool
32a0	20 55 6e 43 6f 6c 6c 61 70 73 65 47 72 6f 75 70 28 57 69 6e 64 6f 77 53 74 61 74 65 20 73 74 61	.UnCollapseGroup(WindowState.sta
32c0	74 65 29 0a 20 20 20 20 20 20 20 20 7b 0a 20 20 20 20 20 20 20 20 20 20 20 20 69 66 20 28 54 72	te).........{.............if.(Tr
32e0	61 63 6b 48 65 61 64 41 63 74 69 76 65 28 29 29 0a 20 20 20 20 20 20 20 20 20 20 20 20 7b 0a 20	ackHeadActive()).............{..
3300	20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 76 61 72 20 71 75 69 74 20 3d 20 66 61 6c 73 65 3b	...............var.quit.=.false;
3320	0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 66 6f 72 65 61 63 68 20 28 76 61 72 20 74 72	.................foreach.(var.tr
3340	61 63 6b 20 69 6e 20 53 65 6c 65 63 74 69 6f 6e 4d 61 6e 61 67 65 72 2e 53 65 6c 65 63 74 65 64	ack.in.SelectionManager.Selected
3360	54 72 61 63 6b 73 28 29 29 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 7b 0a 20 20 20 20	Tracks()).................{.....
3380	20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 69 66 20 28 21 74 72 61 63 6b 2e 47 65 74 43 68	................if.(!track.GetCh
33a0	69 6c 64 54 72 61 63 6b 73 28 29 2e 41 6e 79 28 29 29 20 63 6f 6e 74 69 6e 75 65 3b 0a 0a 20 20	ildTracks().Any()).continue;....
33c0	20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 69 66 20 28 21 71 75 69 74 20 26 26 20 74	..................if.(!quit.&&.t
33e0	72 61 63 6b 2e 47 65 74 43 6f 6c 6c 61 70 73 65 64 28 29 29 0a 20 20 20 20 20 20 20 20 20 20 20	rack.GetCollapsed())............
3400	20 20 20 20 20 20 20 20 20 20 20 20 20 71 75 69 74 20 3d 20 74 72 75 65 3b 0a 20 20 20 20 20 20	.............quit.=.true;.......
3420	20 20 20 20 20 20 20 20 20 20 20 20 20 20 74 72 61 63 6b 2e 53 65 74 43 6f 6c 6c 61 70 73 65 64	..............track.SetCollapsed
3440	28 66 61 6c 73 65 29 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 7d 0a 0a 20 20 20 20	(false);.................}......
3460	20 20 20 20 20 20 20 20 20 20 20 20 69 66 20 28 71 75 69 74 29 0a 20 20 20 20 20 20 20 20 20 20	............if.(quit)...........
3480	20 20 20 20 20 20 7b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 73 74 61 74	......{.....................stat
34a0	65 2e 52 65 66 72 65 73 68 28 29 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20	e.Refresh();....................
34c0	20 72 65 74 75 72 6e 20 74 72 75 65 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 7d 0a	.return.true;.................}.
34e0	0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 2f 2f 20 54 72 61 6e 73 69 74 69 6f 6e 20 74	.................//.Transition.t
3500	6f 20 43 6c 69 70 20 61 72 65 61 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 76 61 72 20	o.Clip.area.................var.
3520	76 69 73 69 62 6c 65 54 72 61 63 6b 73 20 3d 20 47 65 74 56 69 73 69 62 6c 65 54 72 61 63 6b 73	visibleTracks.=.GetVisibleTracks
3540	28 29 2e 53 65 6c 65 63 74 28 78 20 3d 3e 20 78 2e 74 72 61 63 6b 29 2e 54 6f 4c 69 73 74 28 29	().Select(x.=>.x.track).ToList()
3560	3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 76 61 72 20 69 64 78 20 3d 20 76 69 73 69	;.................var.idx.=.visi
3580	62 6c 65 54 72 61 63 6b 73 2e 49 6e 64 65 78 4f 66 28 53 65 6c 65 63 74 69 6f 6e 4d 61 6e 61 67	bleTracks.IndexOf(SelectionManag
35a0	65 72 2e 53 65 6c 65 63 74 65 64 54 72 61 63 6b 73 28 29 2e 4c 61 73 74 28 29 29 3b 0a 20 20 20	er.SelectedTracks().Last());....
35c0	20 20 20 20 20 20 20 20 20 20 20 20 20 49 54 69 6d 65 6c 69 6e 65 49 74 65 6d 20 69 74 65 6d 20	.............ITimelineItem.item.
35e0	3d 20 6e 75 6c 6c 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 66 6f 72 20 28 76 61 72	=.null;.................for.(var
3600	20 69 20 3d 20 69 64 78 3b 20 69 20 3c 20 76 69 73 69 62 6c 65 54 72 61 63 6b 73 2e 43 6f 75 6e	.i.=.idx;.i.<.visibleTracks.Coun
3620	74 3b 20 2b 2b 69 29 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 7b 0a 20 20 20 20 20 20	t;.++i).................{.......
3640	20 20 20 20 20 20 20 20 20 20 20 20 20 20 76 61 72 20 69 74 65 6d 73 20 3d 20 76 69 73 69 62 6c	..............var.items.=.visibl
3660	65 54 72 61 63 6b 73 5b 69 5d 2e 47 65 74 49 74 65 6d 73 28 29 2e 4f 66 54 79 70 65 3c 43 6c 69	eTracks[i].GetItems().OfType<Cli
3680	70 49 74 65 6d 3e 28 29 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 69 66	pItem>();.....................if
36a0	20 28 21 69 74 65 6d 73 2e 41 6e 79 28 29 29 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20	.(!items.Any()).................
36c0	20 20 20 20 20 20 20 20 63 6f 6e 74 69 6e 75 65 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20	........continue;...............
36e0	20 20 20 20 20 20 69 74 65 6d 20 3d 20 69 74 65 6d 73 2e 46 69 72 73 74 28 29 3b 0a 20 20 20 20	......item.=.items.First();.....
3700	20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 62 72 65 61 6b 3b 0a 20 20 20 20 20 20 20 20 20	................break;..........
3720	20 20 20 20 20 20 20 7d 0a 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 69 66 20 28 69 74	.......}..................if.(it
3740	65 6d 20 21 3d 20 6e 75 6c 6c 29 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 7b 0a 20 20	em.!=.null).................{...
3760	20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 53 65 6c 65 63 74 69 6f 6e 4d 61 6e 61 67	..................SelectionManag
3780	65 72 2e 53 65 6c 65 63 74 4f 6e 6c 79 28 69 74 65 6d 29 3b 0a 20 20 20 20 20 20 20 20 20 20 20	er.SelectOnly(item);............
37a0	20 20 20 20 20 20 20 20 20 54 69 6d 65 6c 69 6e 65 48 65 6c 70 65 72 73 2e 46 72 61 6d 65 49 74	.........TimelineHelpers.FrameIt
37c0	65 6d 73 28 73 74 61 74 65 2c 20 6e 65 77 5b 5d 20 7b 69 74 65 6d 7d 29 3b 0a 20 20 20 20 20 20	ems(state,.new[].{item});.......
37e0	20 20 20 20 20 20 20 20 20 20 20 20 20 20 72 65 74 75 72 6e 20 74 72 75 65 3b 0a 20 20 20 20 20	..............return.true;......
3800	20 20 20 20 20 20 20 20 20 20 20 7d 0a 20 20 20 20 20 20 20 20 20 20 20 20 7d 0a 20 20 20 20 20	...........}.............}......
3820	20 20 20 20 20 20 20 72 65 74 75 72 6e 20 66 61 6c 73 65 3b 0a 20 20 20 20 20 20 20 20 7d 0a 0a	.......return.false;.........}..
3840	20 20 20 20 20 20 20 20 70 75 62 6c 69 63 20 73 74 61 74 69 63 20 62 6f 6f 6c 20 53 65 6c 65 63	........public.static.bool.Selec
3860	74 55 70 54 72 61 63 6b 28 62 6f 6f 6c 20 73 68 69 66 74 20 3d 20 66 61 6c 73 65 29 0a 20 20 20	tUpTrack(bool.shift.=.false)....
3880	20 20 20 20 20 7b 0a 20 20 20 20 20 20 20 20 20 20 20 20 69 66 20 28 54 72 61 63 6b 48 65 61 64	.....{.............if.(TrackHead
38a0	41 63 74 69 76 65 28 29 29 0a 20 20 20 20 20 20 20 20 20 20 20 20 7b 0a 20 20 20 20 20 20 20 20	Active()).............{.........
38c0	20 20 20 20 20 20 20 20 76 61 72 20 70 72 65 76 54 72 61 63 6b 20 3d 20 50 72 65 76 69 6f 75 73	........var.prevTrack.=.Previous
38e0	54 72 61 63 6b 28 53 65 6c 65 63 74 69 6f 6e 4d 61 6e 61 67 65 72 2e 53 65 6c 65 63 74 65 64 54	Track(SelectionManager.SelectedT
3900	72 61 63 6b 73 28 29 2e 4c 61 73 74 28 29 29 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20	racks().Last());................
3920	20 69 66 20 28 70 72 65 76 54 72 61 63 6b 20 21 3d 20 6e 75 6c 6c 29 0a 20 20 20 20 20 20 20 20	.if.(prevTrack.!=.null).........
3940	20 20 20 20 20 20 20 20 7b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 69 66	........{.....................if
3960	20 28 73 68 69 66 74 29 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 7b 0a 20	.(shift).....................{..
3980	20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 69 66 20 28 53 65 6c 65 63	.......................if.(Selec
39a0	74 69 6f 6e 4d 61 6e 61 67 65 72 2e 43 6f 6e 74 61 69 6e 73 28 70 72 65 76 54 72 61 63 6b 29 29	tionManager.Contains(prevTrack))
39c0	0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 53 65 6c	.............................Sel
39e0	65 63 74 69 6f 6e 4d 61 6e 61 67 65 72 2e 52 65 6d 6f 76 65 28 53 65 6c 65 63 74 69 6f 6e 4d 61	ectionManager.Remove(SelectionMa
3a00	6e 61 67 65 72 2e 53 65 6c 65 63 74 65 64 54 72 61 63 6b 73 28 29 2e 4c 61 73 74 28 29 29 3b 0a	nager.SelectedTracks().Last());.
3a20	20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 53 65 6c 65 63 74 69 6f	........................Selectio
3a40	6e 4d 61 6e 61 67 65 72 2e 41 64 64 28 70 72 65 76 54 72 61 63 6b 29 3b 0a 20 20 20 20 20 20 20	nManager.Add(prevTrack);........
3a60	20 20 20 20 20 20 20 20 20 20 20 20 20 7d 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20	.............}..................
3a80	20 20 20 65 6c 73 65 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20	...else.........................
3aa0	53 65 6c 65 63 74 69 6f 6e 4d 61 6e 61 67 65 72 2e 53 65 6c 65 63 74 4f 6e 6c 79 28 70 72 65 76	SelectionManager.SelectOnly(prev
3ac0	54 72 61 63 6b 29 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 46 72 61 6d	Track);.....................Fram
3ae0	65 54 72 61 63 6b 48 65 61 64 65 72 28 47 65 74 56 69 73 69 62 6c 65 54 72 61 63 6b 73 28 29 2e	eTrackHeader(GetVisibleTracks().
3b00	46 69 72 73 74 28 78 20 3d 3e 20 78 2e 74 72 61 63 6b 20 3d 3d 20 70 72 65 76 54 72 61 63 6b 29	First(x.=>.x.track.==.prevTrack)
3b20	29 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 7d 0a 20 20 20 20 20 20 20 20 20 20 20	);.................}............
3b40	20 20 20 20 20 72 65 74 75 72 6e 20 74 72 75 65 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 7d 0a	.....return.true;.............}.
3b60	20 20 20 20 20 20 20 20 20 20 20 20 72 65 74 75 72 6e 20 66 61 6c 73 65 3b 0a 20 20 20 20 20 20	............return.false;.......
3b80	20 20 7d 0a 0a 20 20 20 20 20 20 20 20 70 75 62 6c 69 63 20 73 74 61 74 69 63 20 62 6f 6f 6c 20	..}..........public.static.bool.
3ba0	53 65 6c 65 63 74 55 70 49 74 65 6d 28 57 69 6e 64 6f 77 53 74 61 74 65 20 73 74 61 74 65 29 0a	SelectUpItem(WindowState.state).
3bc0	20 20 20 20 20 20 20 20 7b 0a 20 20 20 20 20 20 20 20 20 20 20 20 69 66 20 28 43 6c 69 70 41 72	........{.............if.(ClipAr
3be0	65 61 41 63 74 69 76 65 28 29 29 0a 20 20 20 20 20 20 20 20 20 20 20 20 7b 0a 20 20 20 20 20 20	eaActive()).............{.......
3c00	20 20 20 20 20 20 20 20 20 20 76 61 72 20 72 65 66 49 74 65 6d 20 3d 20 53 65 6c 65 63 74 69 6f	..........var.refItem.=.Selectio
3c20	6e 4d 61 6e 61 67 65 72 2e 53 65 6c 65 63 74 65 64 49 74 65 6d 73 28 29 2e 4c 61 73 74 28 29 3b	nManager.SelectedItems().Last();
3c40	0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 76 61 72 20 70 72 65 76 54 72 61 63 6b 20 3d	.................var.prevTrack.=
3c60	20 72 65 66 49 74 65 6d 2e 70 61 72 65 6e 74 54 72 61 63 6b 2e 50 72 65 76 69 6f 75 73 54 72 61	.refItem.parentTrack.PreviousTra
3c80	63 6b 28 29 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 77 68 69 6c 65 20 28 70 72 65	ck();.................while.(pre
3ca0	76 54 72 61 63 6b 20 21 3d 20 6e 75 6c 6c 29 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20	vTrack.!=.null).................
3cc0	7b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 76 61 72 20 73 65 6c 65 63 74	{.....................var.select
3ce0	69 6f 6e 49 74 65 6d 20 3d 20 47 65 74 43 6c 6f 73 65 73 74 49 74 65 6d 28 70 72 65 76 54 72 61	ionItem.=.GetClosestItem(prevTra
3d00	63 6b 2c 20 72 65 66 49 74 65 6d 29 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20	ck,.refItem);...................
3d20	20 20 69 66 20 28 73 65 6c 65 63 74 69 6f 6e 49 74 65 6d 20 3d 3d 20 6e 75 6c 6c 29 0a 20 20 20	..if.(selectionItem.==.null)....
3d40	20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 7b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20	.................{..............
3d60	20 20 20 20 20 20 20 20 20 20 20 70 72 65 76 54 72 61 63 6b 20 3d 20 70 72 65 76 54 72 61 63 6b	...........prevTrack.=.prevTrack
3d80	2e 50 72 65 76 69 6f 75 73 54 72 61 63 6b 28 29 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20	.PreviousTrack();...............
3da0	20 20 20 20 20 20 20 20 20 20 63 6f 6e 74 69 6e 75 65 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20	..........continue;.............
3dc0	20 20 20 20 20 20 20 20 7d 0a 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 53	........}......................S
3de0	65 6c 65 63 74 69 6f 6e 4d 61 6e 61 67 65 72 2e 53 65 6c 65 63 74 4f 6e 6c 79 28 73 65 6c 65 63	electionManager.SelectOnly(selec
3e00	74 69 6f 6e 49 74 65 6d 29 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 54	tionItem);.....................T
3e20	69 6d 65 6c 69 6e 65 48 65 6c 70 65 72 73 2e 46 72 61 6d 65 49 74 65 6d 73 28 73 74 61 74 65 2c	imelineHelpers.FrameItems(state,
3e40	20 6e 65 77 5b 5d 20 7b 73 65 6c 65 63 74 69 6f 6e 49 74 65 6d 7d 29 3b 0a 20 20 20 20 20 20 20	.new[].{selectionItem});........
3e60	20 20 20 20 20 20 20 20 20 20 20 20 20 46 72 61 6d 65 54 72 61 63 6b 48 65 61 64 65 72 28 47 65	.............FrameTrackHeader(Ge
3e80	74 56 69 73 69 62 6c 65 54 72 61 63 6b 73 28 29 2e 46 69 72 73 74 28 78 20 3d 3e 20 78 2e 74 72	tVisibleTracks().First(x.=>.x.tr
3ea0	61 63 6b 20 3d 3d 20 73 65 6c 65 63 74 69 6f 6e 49 74 65 6d 2e 70 61 72 65 6e 74 54 72 61 63 6b	ack.==.selectionItem.parentTrack
3ec0	29 29 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 62 72 65 61 6b 3b 0a 20	));.....................break;..
3ee0	20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 7d 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20	...............}................
3f00	20 72 65 74 75 72 6e 20 74 72 75 65 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 7d 0a 0a 20 20 20	.return.true;.............}.....
3f20	20 20 20 20 20 20 20 20 20 72 65 74 75 72 6e 20 66 61 6c 73 65 3b 0a 20 20 20 20 20 20 20 20 7d	.........return.false;.........}
3f40	0a 0a 20 20 20 20 20 20 20 20 70 75 62 6c 69 63 20 73 74 61 74 69 63 20 62 6f 6f 6c 20 53 65 6c	..........public.static.bool.Sel
3f60	65 63 74 44 6f 77 6e 54 72 61 63 6b 28 62 6f 6f 6c 20 73 68 69 66 74 20 3d 20 66 61 6c 73 65 29	ectDownTrack(bool.shift.=.false)
3f80	0a 20 20 20 20 20 20 20 20 7b 0a 20 20 20 20 20 20 20 20 20 20 20 20 69 66 20 28 54 72 61 63 6b	.........{.............if.(Track
3fa0	48 65 61 64 41 63 74 69 76 65 28 29 29 0a 20 20 20 20 20 20 20 20 20 20 20 20 7b 0a 20 20 20 20	HeadActive()).............{.....
3fc0	20 20 20 20 20 20 20 20 20 20 20 20 76 61 72 20 6e 65 78 74 54 72 61 63 6b 20 3d 20 53 65 6c 65	............var.nextTrack.=.Sele
3fe0	63 74 69 6f 6e 4d 61 6e 61 67 65 72 2e 53 65 6c 65 63 74 65 64 54 72 61 63 6b 73 28 29 2e 4c 61	ctionManager.SelectedTracks().La
4000	73 74 28 29 2e 4e 65 78 74 54 72 61 63 6b 28 29 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20	st().NextTrack();...............
4020	20 20 69 66 20 28 6e 65 78 74 54 72 61 63 6b 20 21 3d 20 6e 75 6c 6c 29 0a 20 20 20 20 20 20 20	..if.(nextTrack.!=.null)........
4040	20 20 20 20 20 20 20 20 20 7b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 69	.........{.....................i
4060	66 20 28 73 68 69 66 74 29 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 7b 0a	f.(shift).....................{.
4080	20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 69 66 20 28 53 65 6c 65	........................if.(Sele
40a0	63 74 69 6f 6e 4d 61 6e 61 67 65 72 2e 43 6f 6e 74 61 69 6e 73 28 6e 65 78 74 54 72 61 63 6b 29	ctionManager.Contains(nextTrack)
40c0	29 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 53 65	).............................Se
40e0	6c 65 63 74 69 6f 6e 4d 61 6e 61 67 65 72 2e 52 65 6d 6f 76 65 28 53 65 6c 65 63 74 69 6f 6e 4d	lectionManager.Remove(SelectionM
4100	61 6e 61 67 65 72 2e 53 65 6c 65 63 74 65 64 54 72 61 63 6b 73 28 29 2e 4c 61 73 74 28 29 29 3b	anager.SelectedTracks().Last());
4120	0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 53 65 6c 65 63 74 69	.........................Selecti
4140	6f 6e 4d 61 6e 61 67 65 72 2e 41 64 64 28 6e 65 78 74 54 72 61 63 6b 29 3b 0a 20 20 20 20 20 20	onManager.Add(nextTrack);.......
4160	20 20 20 20 20 20 20 20 20 20 20 20 20 20 7d 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20	..............}.................
4180	20 20 20 20 65 6c 73 65 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20	....else........................
41a0	20 53 65 6c 65 63 74 69 6f 6e 4d 61 6e 61 67 65 72 2e 53 65 6c 65 63 74 4f 6e 6c 79 28 6e 65 78	.SelectionManager.SelectOnly(nex
41c0	74 54 72 61 63 6b 29 3b 0a 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 46 72	tTrack);......................Fr
41e0	61 6d 65 54 72 61 63 6b 48 65 61 64 65 72 28 47 65 74 56 69 73 69 62 6c 65 54 72 61 63 6b 73 28	ameTrackHeader(GetVisibleTracks(
4200	29 2e 46 69 72 73 74 28 78 20 3d 3e 20 78 2e 74 72 61 63 6b 20 3d 3d 20 6e 65 78 74 54 72 61 63	).First(x.=>.x.track.==.nextTrac
4220	6b 29 29 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 7d 0a 20 20 20 20 20 20 20 20 20	k));.................}..........
4240	20 20 20 20 20 20 20 72 65 74 75 72 6e 20 74 72 75 65 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20	.......return.true;.............
4260	7d 0a 0a 20 20 20 20 20 20 20 20 20 20 20 20 72 65 74 75 72 6e 20 66 61 6c 73 65 3b 0a 20 20 20	}..............return.false;....
4280	20 20 20 20 20 7d 0a 0a 20 20 20 20 20 20 20 20 70 75 62 6c 69 63 20 73 74 61 74 69 63 20 62 6f	.....}..........public.static.bo
42a0	6f 6c 20 53 65 6c 65 63 74 44 6f 77 6e 49 74 65 6d 28 57 69 6e 64 6f 77 53 74 61 74 65 20 73 74	ol.SelectDownItem(WindowState.st
42c0	61 74 65 29 0a 20 20 20 20 20 20 20 20 7b 0a 20 20 20 20 20 20 20 20 20 20 20 20 69 66 20 28 43	ate).........{.............if.(C
42e0	6c 69 70 41 72 65 61 41 63 74 69 76 65 28 29 29 0a 20 20 20 20 20 20 20 20 20 20 20 20 7b 0a 20	lipAreaActive()).............{..
4300	20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 76 61 72 20 72 65 66 49 74 65 6d 20 3d 20 53 65 6c	...............var.refItem.=.Sel
4320	65 63 74 69 6f 6e 4d 61 6e 61 67 65 72 2e 53 65 6c 65 63 74 65 64 49 74 65 6d 73 28 29 2e 4c 61	ectionManager.SelectedItems().La
4340	73 74 28 29 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 76 61 72 20 6e 65 78 74 54 72	st();.................var.nextTr
4360	61 63 6b 20 3d 20 72 65 66 49 74 65 6d 2e 70 61 72 65 6e 74 54 72 61 63 6b 2e 4e 65 78 74 54 72	ack.=.refItem.parentTrack.NextTr
4380	61 63 6b 28 29 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 77 68 69 6c 65 20 28 6e 65	ack();.................while.(ne
43a0	78 74 54 72 61 63 6b 20 21 3d 20 6e 75 6c 6c 29 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20	xtTrack.!=.null)................
43c0	20 7b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 76 61 72 20 73 65 6c 65 63	.{.....................var.selec
43e0	74 69 6f 6e 49 74 65 6d 20 3d 20 47 65 74 43 6c 6f 73 65 73 74 49 74 65 6d 28 6e 65 78 74 54 72	tionItem.=.GetClosestItem(nextTr
4400	61 63 6b 2c 20 72 65 66 49 74 65 6d 29 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20	ack,.refItem);..................
4420	20 20 20 69 66 20 28 73 65 6c 65 63 74 69 6f 6e 49 74 65 6d 20 3d 3d 20 6e 75 6c 6c 29 0a 20 20	...if.(selectionItem.==.null)...
4440	20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 7b 0a 20 20 20 20 20 20 20 20 20 20 20 20	..................{.............
4460	20 20 20 20 20 20 20 20 20 20 20 20 6e 65 78 74 54 72 61 63 6b 20 3d 20 6e 65 78 74 54 72 61 63	............nextTrack.=.nextTrac
4480	6b 2e 4e 65 78 74 54 72 61 63 6b 28 29 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20	k.NextTrack();..................
44a0	20 20 20 20 20 20 20 63 6f 6e 74 69 6e 75 65 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20	.......continue;................
44c0	20 20 20 20 20 7d 0a 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 53 65 6c 65	.....}......................Sele
44e0	63 74 69 6f 6e 4d 61 6e 61 67 65 72 2e 53 65 6c 65 63 74 4f 6e 6c 79 28 73 65 6c 65 63 74 69 6f	ctionManager.SelectOnly(selectio
4500	6e 49 74 65 6d 29 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 54 69 6d 65	nItem);.....................Time
4520	6c 69 6e 65 48 65 6c 70 65 72 73 2e 46 72 61 6d 65 49 74 65 6d 73 28 73 74 61 74 65 2c 20 6e 65	lineHelpers.FrameItems(state,.ne
4540	77 5b 5d 20 7b 73 65 6c 65 63 74 69 6f 6e 49 74 65 6d 7d 29 3b 0a 20 20 20 20 20 20 20 20 20 20	w[].{selectionItem});...........
4560	20 20 20 20 20 20 20 20 20 20 46 72 61 6d 65 54 72 61 63 6b 48 65 61 64 65 72 28 47 65 74 56 69	..........FrameTrackHeader(GetVi
4580	73 69 62 6c 65 54 72 61 63 6b 73 28 29 2e 46 69 72 73 74 28 78 20 3d 3e 20 78 2e 74 72 61 63 6b	sibleTracks().First(x.=>.x.track
45a0	20 3d 3d 20 73 65 6c 65 63 74 69 6f 6e 49 74 65 6d 2e 70 61 72 65 6e 74 54 72 61 63 6b 29 29 3b	.==.selectionItem.parentTrack));
45c0	0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 62 72 65 61 6b 3b 0a 20 20 20 20	.....................break;.....
45e0	20 20 20 20 20 20 20 20 20 20 20 20 7d 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 72 65	............}.................re
4600	74 75 72 6e 20 74 72 75 65 3b 0a 20 20 20 20 20 20 20 20 20 20 20 20 7d 0a 20 20 20 20 20 20 20	turn.true;.............}........
4620	20 20 20 20 20 72 65 74 75 72 6e 20 66 61 6c 73 65 3b 0a 20 20 20 20 20 20 20 20 7d 0a 20 20 20	.....return.false;.........}....
4640	20 7d 0a 7d 0a 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1a 00 00 00	.}.}............................
4660	54 69 6d 65 6c 69 6e 65 4b 65 79 62 6f 61 72 64 4e 61 76 69 67 61 74 69 6f 6e 00 00 00 00 00 00	TimelineKeyboardNavigation......