Bug 444724 - Tree.getItem(Point): optionally ignore SWT.FULL_SELECTION
Summary: Tree.getItem(Point): optionally ignore SWT.FULL_SELECTION
Status: NEW
Alias: None
Product: Platform
Classification: Eclipse Project
Component: SWT (show other bugs)
Version: 4.5   Edit
Hardware: PC Windows NT
: P3 major (vote)
Target Milestone: ---   Edit
Assignee: Platform-SWT-Inbox CLA
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Reported: 2014-09-22 08:02 EDT by Thomas Singer CLA
Modified: 2020-02-08 02:46 EST (History)
1 user (show)

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Description Thomas Singer CLA 2014-09-22 08:02:11 EDT 
Currently, Tree.getItem(Point) only returns the item, if it is inside the item's bounding box - unless SWT.FULL_SECTION is specified (which we can't use because of bug #438479). For an own TreeDropTargetEffect we need Tree.getItem(Point) to only use the y-coordinate.

Suggestion: introduce an overloaded Tree.getItem(Point, boolean) that only depending on the second parameter checks the x-coordinate. Make the existing Tree.getItem(Point) path to the new Tree.getItem(Point, boolean) using the SWT.FULL_SECTION check.
Comment 1 Thomas Singer CLA 2014-09-22 08:04:28 EDT 
We currently have to iterate over all visible tree items calculating their bounds - which, as you can imagine, is VERY slow.