tdf#129042 factor the wizard buttons into the desired min width

Change-Id: Ib89e8813c6f8e5203708952215156d3d5281ad17
Reviewed-on: https://gerrit.libreoffice.org/83893
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>
diff --git a/vcl/source/control/wizardmachine.cxx b/vcl/source/control/wizardmachine.cxx
index c61b46e..2fced94 100644
--- a/vcl/source/control/wizardmachine.cxx
+++ b/vcl/source/control/wizardmachine.cxx
@@ -104,19 +104,26 @@ namespace vcl

    void RoadmapWizard::ImplCalcSize( Size& rSize )
    {
        // calculate ButtonBar height
        // calculate ButtonBar height and width
        long                nMaxHeight = 0;
        long                nBarWidth = WIZARDDIALOG_BUTTON_DLGOFFSET_X * 2 + LogicalCoordinateToPixel(6);
        ImplWizButtonData*  pBtnData = mpFirstBtn;
        while ( pBtnData )
        while (pBtnData)
        {
            long nBtnHeight = pBtnData->mpButton->GetSizePixel().Height();
            auto nBtnHeight = pBtnData->mpButton->GetSizePixel().Height();
            auto nBtnWidth = pBtnData->mpButton->GetSizePixel().Width();
            if (pBtnData->mpButton->IsVisible())
            {
                nBarWidth += nBtnWidth;
                nBarWidth += pBtnData->mnOffset;
            }
            if ( nBtnHeight > nMaxHeight )
                nMaxHeight = nBtnHeight;
            pBtnData = pBtnData->mpNext;
        }
        if ( nMaxHeight )
            nMaxHeight += WIZARDDIALOG_BUTTON_OFFSET_Y*2;
        rSize.AdjustHeight(nMaxHeight );
        rSize.AdjustHeight(nMaxHeight);

        // add in the view window size
        if ( mpViewWindow && mpViewWindow->IsVisible() )
@@ -131,6 +138,9 @@ namespace vcl
            else if ( meViewAlign == WindowAlign::Right )
                rSize.AdjustWidth(aViewSize.Width() );
        }

        if (nBarWidth > rSize.Width())
            rSize.setWidth(nBarWidth);
    }

    void RoadmapWizard::queue_resize(StateChangedType /*eReason*/)