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N20050526 - folding off (can also be reproduce with folding on) - open AbstractTextEditor - open the outline view - select AbstractTextEditor in the outline - select the first field (TAG_CONTRIBUTION_TYPE) in the outline - select AbstractTextEditor in the outline again -> note that parts of the editor flash quickly.
Investigate for RC2 (time permitting).
Tom, please whether you can still reproduce using the patch I gave you.
Created attachment 21945 [details] 96782.png It does not flash any longer, but I see this behavior: The text widget's scroll position is not correctly initialized when first shown, i.e. when opening StyledText.setSelection(Point) from the package explorer, the selected method is shown. However, the vertical scrollbar still show the top-most position, the horizontal bar shows the left most position, although neither is true (see screenshot). Upon moving the caret such that it goes beyond the viewport boundaries, the scrollbars are correctly set to the expected position. Upon scrolling the editor using the mouse wheel, the opposite happens: the editor is scrolled to the position that the scrollbars indicated (offset 0).
Marking as duplicate of bug 93845: the changes for that bug will fix this one. *** This bug has been marked as a duplicate of 93845 ***