Use selection polling to update editor.range #431
Merged
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SelectionChangeObserver maintains a singleton instance that polls the
window using
requestAnimationFrame
for changes to the selection.Editors' EventManager instances use a SelectionManager to listen for
selectionchanged
events, and update the editor'srange
if necessary.Removes code that would use some keyup events (when
key.isMovement()
)and
mouseup
events to detect when the range could have changed.The range-detection code was previously spread out over
EventManager
,Editor
,Cursor
andEditState
. This code change consolidates mostof the responsibility for knowing/reading/updating the editor's
range
o its
EditState
instance. The editor now delegatesrange
to the editstate instance, and the edit state instance is responsible for knowing
when the editor's inputMode or range has changed.
Some tests assumed selection changes would be picked up synchronously;
for those tests a
Helpers.wait
helper is added that schedules acallback with
requestAnimationFrame
.Also:
fixes #408
fixes #383
related #369
related #302