[Bug 30725] New: Scrollbar paging problems

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=30725

             Bug #: 30725
           Summary: Scrollbar paging problems
           Product: Wine
           Version: 1.5.3
          Platform: x86-64
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: trivial
          Priority: P2
         Component: -unknown
        AssignedTo: wine-bugs at winehq.org
        ReportedBy: markk at clara.co.uk
    Classification: Unclassified


There are some issues with scrollbars. I initially noticed these issues with
IDA Pro Free, but other programs which use the same type of scrollbar are
affected, including Windows Notepad.exe.

Try the following in Windows.

Run Notepad and load a long text document. The window shows a small proportion
of the document with a scrollbar at the right-hand side.

Move the mouse pointer over the scrollbar below the "thumb". Click the left
button. Notice how the region below the thumb highlights in black briefly.

Hold down the left button. The region below the thumb is highlighted in black,
and the document pages down repeatedly while the left button is pressed.

Move the mouse pointer while holding the left button down (but keeping the
pointer within the lower scrollbar region, e.g. move it up and down slightly).
The mouse movement doesn't affect the paging-down.


Trying the same under Wine...

Clicking below the thumb, the region is not highlighted in black (or if it is,
it's so brief as to be invisible).

Holding the left button down with the mouse pointer below the scrollbar thumb
does cause the document to repeatedly page down. However, the lower scrollbar
region is not highlighted in black. It seems Wine does draw it in black, but
immediately overwrites it -- I see brief flickers of black rectangles.

If while holding the left button you move the mouse pointer, the document stops
paging down. While you are moving the mouse, the lower scrollbar region is
shown in black.

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