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Add support for moving the selection in a Grid View using the keyboard. https://www.pivotaltracker.com/story/show/182585789 #### Visuals See below for videos showcasing GridView selection keyboard navigation in the `grid_view` debug scene. In the videos, messages in the Developer Console can be observed. When a keypress would result in the selection being moved out of the GridView, the selection is not moved and a message is emitted in the Developer Console instead, showcasing an FRP output signal emitted on such event. Please note that the videos are recorded with the tracing level changed to `DEBUG`. In a default build, the tracing level is set to `WARN`, and the messages visible in the videos are not displayed in the Developer Console. https://user-images.githubusercontent.com/273837/188483972-89d79f7b-1303-457b-869f-282e0809a755.mov https://user-images.githubusercontent.com/273837/188484294-e9b6461c-a84f-4817-9447-d792f2ebdbb5.mov The following video shows moving the selection between "regular" entries and header entries. It also shows a current usability limitation of the selection keyboard navigation feature, such that the Grid is not scrolled when the selection leaves the visible part of the Grid, and the selection may thus disappear from view. https://user-images.githubusercontent.com/273837/188485238-29a82b27-de2f-4cf8-a2e7-ff8c3f41478d.mov # Important Notes - Keyboard navigation only works when a GridView has focus. - Selection keyboard navigation only works if the selection was already set to some entry beforehand. - If keyboard navigation would move selection outside of the grid, the selection movement is canceled and an FRP event is emitted. |
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Libraries
This directory contains the libraries that should remain in this project, but that are not technically part of the main language implementation itself.