[Bug 27711] New: ListView_SetTextBkColor may lead to infinite loop

http://bugs.winehq.org/show_bug.cgi?id=27711

           Summary: ListView_SetTextBkColor may lead to infinite loop
           Product: Wine
           Version: 1.3.23
          Platform: x86
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: minor
          Priority: P2
         Component: comctl32
        AssignedTo: wine-bugs(a)winehq.org
        ReportedBy: ocean04(a)suomi24.fi


Article: http://www.delphidabbler.com/articles?article=16
Source: http://www.delphidabbler.com/download?id=art-16

That code is infinite loop in wine (from point where it says: "..simply add the
code shown in Listing 3 to the end of the OnCustomDraw event")

Most simple infinite loop in wine:

procedure TForm1.ListView1CustomDraw(Sender: TCustomListView;
  const ARect: TRect; var DefaultDraw: Boolean);
begin
  ListView_SetTextBkColor(listview1.Handle, CLR_NONE);
end;

I'll add sample exe if needed. winetricks comclt32 helps

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[Bug 27711] ListView_SetTextBkColor may lead to infinite loop

http://bugs.winehq.org/show_bug.cgi?id=27711

Austin English <austinenglish(a)gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |testcase

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[Bug 27711] ListView_SetTextBkColor may lead to infinite loop

http://bugs.winehq.org/show_bug.cgi?id=27711

ocean04(a)suomi24.fi changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |download
                URL|                            |http://netikka.net/dev/infi
                   |                            |nite.exe

--- Comment #1 from ocean04(a)suomi24.fi 2011-07-09 07:34:23 CDT ---
Sample is now found http://netikka.net/dev/infinite.exe

Simple listview with some items + that code above + counter how many times draw
is called.

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[Bug 27711] ListView_SetTextBkColor may lead to infinite loop

http://bugs.winehq.org/show_bug.cgi?id=27711

Nikolay Sivov <bunglehead(a)gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1

--- Comment #2 from Nikolay Sivov <bunglehead(a)gmail.com> 2011-07-20 05:56:09 CDT ---
Confirming, will send a fix soon.

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[Bug 27711] ListView_SetTextBkColor may lead to infinite loop

http://bugs.winehq.org/show_bug.cgi?id=27711

--- Comment #3 from Nikolay Sivov <bunglehead(a)gmail.com> 2011-07-20 13:08:22 CDT ---
Should be fixed by 4fc8c44bf1197eb6d4913a040a0238fb389abc09. Please retest.

Related fixes 43a199d54dceeee5a872d333fd25cd0c879b9e03,
0a92c01a57531c6cb4ad24a6cee9ae9cc9961049.

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[Bug 27711] ListView_SetTextBkColor may lead to infinite loop

http://bugs.winehq.org/show_bug.cgi?id=27711

--- Comment #4 from ocean04(a)suomi24.fi 2011-07-21 01:51:29 CDT ---
Loop is now gone, thanks! Transparency is not working in that article demo. Is
it related to this change? If not, I'll create new bug.

Compiled demo found here: http://netikka.net/dev/CustomLVDemo.exe
(checking that checkbox text should become transparent, works with native
comctl32)

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[Bug 27711] ListView_SetTextBkColor may lead to infinite loop

http://bugs.winehq.org/show_bug.cgi?id=27711

--- Comment #5 from ocean04(a)suomi24.fi 2011-07-21 02:56:49 CDT ---
Tried this:

static BOOL LISTVIEW_SetTextBkColor(LISTVIEW_INFO *infoPtr, COLORREF color)
{
   FIXME("(oldcolor=%x)\n", infoPtr->clrTextBk);
   FIXME("(newcolor=%x)\n", color);

When I check and then uncheck, I get:

fixme:listview:LISTVIEW_SetTextBkColor (oldcolor=ffffff)
fixme:listview:LISTVIEW_SetTextBkColor (newcolor=ffffffff)
fixme:listview:LISTVIEW_SetTextBkColor (oldcolor=ffffff)
fixme:listview:LISTVIEW_SetTextBkColor (newcolor=ffffff)

3rd line, color was already white? Expecting to see oldcolor ffffffff. Possibly
this is why there was invalidate loop?

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[Bug 27711] ListView_SetTextBkColor may lead to infinite loop

http://bugs.winehq.org/show_bug.cgi?id=27711

Nikolay Sivov <bunglehead(a)gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED

--- Comment #6 from Nikolay Sivov <bunglehead(a)gmail.com> 2011-07-21 04:14:24 CDT ---
(In reply to comment #5)
> Tried this:
>
> static BOOL LISTVIEW_SetTextBkColor(LISTVIEW_INFO *infoPtr, COLORREF color)
> {
>    FIXME("(oldcolor=%x)\n", infoPtr->clrTextBk);
>    FIXME("(newcolor=%x)\n", color);
>
> When I check and then uncheck, I get:
>
> fixme:listview:LISTVIEW_SetTextBkColor (oldcolor=ffffff)
> fixme:listview:LISTVIEW_SetTextBkColor (newcolor=ffffffff)
> fixme:listview:LISTVIEW_SetTextBkColor (oldcolor=ffffff)
> fixme:listview:LISTVIEW_SetTextBkColor (newcolor=ffffff)
>
> 3rd line, color was already white? Expecting to see oldcolor ffffffff. Possibly
> this is why there was invalidate loop?

There's no invalidation with native module in any case, so a fix is right I
think. Initial problem is fixed, so yes, please open a new bug for transparency
problem.

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[Bug 27711] ListView_SetTextBkColor may lead to infinite loop

http://bugs.winehq.org/show_bug.cgi?id=27711

--- Comment #7 from ocean04(a)suomi24.fi 2011-07-21 06:45:03 CDT ---
OK, thanks! New is bug 27854

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[Bug 27711] ListView_SetTextBkColor may lead to infinite loop

http://bugs.winehq.org/show_bug.cgi?id=27711

Alexandre Julliard <julliard(a)winehq.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |CLOSED

--- Comment #8 from Alexandre Julliard <julliard(a)winehq.org> 2011-07-22 12:43:35 CDT ---
Closing bugs fixed in 1.3.25.

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[Bug 27711] ListView_SetTextBkColor may lead to infinite loop

http://bugs.winehq.org/show_bug.cgi?id=27711

Nikolay Sivov <bunglehead(a)gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Fixed by SHA1|                            |4fc8c44bf1197eb6d4913a040a0
                   |                            |238fb389abc09

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