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Tree widgets (in windows, anyway) show a tooltip with the full text of a child TreeItem when 1) The shell with the Tree widget has focus, en 2) the text of the TreeItem doesn't fit. This is a useful feature, but unfortunately this tooltip does NOT update itself with new text when the text of the relevant TreeItem changes. This makes it impossible to change the text of a TreeItem when the mouse rolls over it; the text does change underneath, but the tooltip (with the old text) hides the new text. Solution: #1: Allow the setting of tool tip text on a per-TreeItem basis (preferred), - OR- #2: Update/invalidate tooltips when their underlying treeitem changes name. A code sample has been attached that shows the problem; the code sample shows a simple tree with a treeitem consisting of 100x the letter 'x'. On mouseover, it changes to 100x the letter 'y'. When the mouse leaves, they revert to 'x'. In practice it's almost impossible to get the 'y's to show up (move your mouse over, wait about 10 seconds for the tooltip to stop, or roll the mouse straight out of the shell without ever letting the mouse pointer 'touch' any other part of the list.
Created attachment 25389 [details] sample program (runnable all by itself, just make sure SWT is in your classpath and such).
The example was tested and exhibits the bug with: Windows XP SP1 SWT version 3.138
See Bug 37181 for a workaround. Existence of a workaround so I lowered the severity from normal to minor.
Happens in the Table too. See bug #104359. Thanks Microsoft!
Same problem with owner drawn tree items. A scenario where this is quite annoying is drag and drop in a Java editor's Outline. After the user drops an item, the outline structure gets reconciled in the background, and when the outline gets updated, the rollover tooltip keeps showing outdated information (the label of the member that was previously at that position).
This bug hasn't had any activity in quite some time. Maybe the problem got resolved, was a duplicate of something else, or became less pressing for some reason - or maybe it's still relevant but just hasn't been looked at yet. If you have further information on the current state of the bug, please add it. The information can be, for example, that the problem still occurs, that you still want the feature, that more information is needed, or that the bug is (for whatever reason) no longer relevant.
This bug hasn't had any activity in quite some time. Maybe the problem got resolved, was a duplicate of something else, or became less pressing for some reason - or maybe it's still relevant but just hasn't been looked at yet. As such, we're closing this bug. If you have further information on the current state of the bug, please add it and reopen this bug. The information can be, for example, that the problem still occurs, that you still want the feature, that more information is needed, or that the bug is (for whatever reason) no longer relevant. -- The automated Eclipse Genie.
