Prevent Timeline selections that are out of bounds#147
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TeofilC merged 1 commit intohaskell:masterfrom Feb 18, 2026
Merged
Prevent Timeline selections that are out of bounds#147TeofilC merged 1 commit intohaskell:masterfrom
TeofilC merged 1 commit intohaskell:masterfrom
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timelineSetSelection now returns Nothing in case of an invalid selection that's solely outside of the TimelineView for both a PointSelection and a RangeSelection. A RangeSelection is additionally clamped to the bounds of the TimelineView to stop dragging when the bounds have been reached. The new return value is processed inside the Mouse and Event handling accordingly. Within this the EventCursorChangedIndex handling now includes updating previously omitted views. This fixes an issue where following a RangeSelection with a selection inside the EventsView would cause the previously omitted views to still display the information of the RangeSelection and not the equivalent PointSelection of the EventsView selection. Lastly, fix an issue from the previous commit that added styling usage inside the EventsView. The wrong background color was applied to a selected Event when making the second PointSelection after a RangeSelection or a PointSelection without a preceding RangeSelection. StateSelected is now always applied when selected.
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Fixes #40
While testing this I noticed an issue for #145 where a wrong background color was used when making a
PointSelection. I included a fix for that in this PR.