[Bug 26747] New: SIV Window Resize and AdjustWindowRect() off-by-one issue

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=26747

           Summary: SIV Window Resize and AdjustWindowRect() off-by-one
                    issue
           Product: Wine
           Version: 1.3.17
          Platform: x86
               URL: http://rh-software.com/
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: user32
        AssignedTo: wine-bugs at winehq.org
        ReportedBy: ray at pobox.co.uk


While trying to work-a-round the lack of WM_EXITSIZEMOVE
(http://bugs.winehq.org/show_bug.cgi?id=26736) I found what seems to be an
off-by-one error within AdjustWindowRect(). Testing on real Windows then the
code worked fine, but to get it to work on Wine 1.3.17-243 I needed to adjust
things as in the code below. The svb->style is 0x00C40000 ( WS_CAPTION |
WS_THICKFRAME ).  The issue is the same for both window managers.

    ar->top    = 0;
    ar->left   = 0;
    ar->bottom = 0;
    ar->right  = 0;

    if( AdjustWindowRect( ar, svb->style, FALSE ) )
    {
      if( mode & MODE_WINE )
      {
        dr->top    -= ar->top    + 1;               // Client Area positions
        dr->left   -= ar->left   + 1;               //
        dr->bottom -= ar->bottom + 1;               //
        dr->right  -= ar->right  + 1;               //
      }
      else
      {
        dr->top    -= ar->top;                      // Client Area positions
        dr->left   -= ar->left;                     //
        dr->bottom -= ar->bottom;                   //
        dr->right  -= ar->right;                    //
      }

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