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[news.eclipse.platform.swt] Re: how to underline tree item when mouse hovering

You'll need to switch the tree to owner draw mode (which means you'll need to draw the content of the cell your own). Afterwards install a mouse-move listener on the tree, check with TreeItem-cell-index you are hovering (TreeItem#getBounds(int)) and trigger a redraw of the hovered cell (the same is true of course also when you leave the cell you need to redraw without underline).

Tom

liutj schrieb:
hello everyone,
I want to make tree item underlined when mouse hover event occur,how to implement this?
Thanks!





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Tom Schindl                                          JFace-Committer
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