int wxHeaderCtrlBase::GetColumnTitleWidth(const wxHeaderColumn& col)
{
int w = wxWindowBase::GetTextExtent(col.GetTitle()).x;
// add some margin:
w += wxRendererNative::Get().GetHeaderButtonMargin(this);
// if a bitmap is used, add space for it and 2px border:
wxBitmap bmp = col.GetBitmap();
if ( bmp.IsOk() )
w += bmp.GetWidth() + 2;
return w;
}
void wxHeaderCtrl::DoInsertItem(const wxHeaderColumn& col, unsigned int idx)
{
wxASSERT_MSG( !col.IsHidden(), "should only be called for shown columns" );
wxHDITEM hdi;
// notice that we need to store the string we use the pointer to until we
// pass it to the control
hdi.mask |= HDI_TEXT;
wxWxCharBuffer buf = col.GetTitle().t_str();
hdi.pszText = buf.data();
hdi.cchTextMax = wxStrlen(buf);
const wxBitmap bmp = col.GetBitmap();
if ( bmp.IsOk() )
{
hdi.mask |= HDI_IMAGE;
if ( bmp.IsOk() )
{
const int bmpWidth = bmp.GetWidth(),
bmpHeight = bmp.GetHeight();
if ( !m_imageList )
{
m_imageList = new wxImageList(bmpWidth, bmpHeight);
(void) // suppress mingw32 warning about unused computed value
Header_SetImageList(GetHwnd(), GetHimagelistOf(m_imageList));
}
else // already have an image list
{
// check that all bitmaps we use have the same size
int imageWidth,
imageHeight;
m_imageList->GetSize(0, imageWidth, imageHeight);
wxASSERT_MSG( imageWidth == bmpWidth && imageHeight == bmpHeight,
"all column bitmaps must have the same size" );
}
m_imageList->Add(bmp);
hdi.iImage = m_imageList->GetImageCount() - 1;
}
else // no bitmap but we still need to update the item
{
hdi.iImage = I_IMAGENONE;
}
}
if ( col.GetAlignment() != wxALIGN_NOT )
{
hdi.mask |= HDI_FORMAT | HDF_LEFT;
switch ( col.GetAlignment() )
{
case wxALIGN_LEFT:
hdi.fmt |= HDF_LEFT;
break;
case wxALIGN_CENTER:
case wxALIGN_CENTER_HORIZONTAL:
hdi.fmt |= HDF_CENTER;
break;
case wxALIGN_RIGHT:
hdi.fmt |= HDF_RIGHT;
break;
default:
wxFAIL_MSG( "invalid column header alignment" );
}
}
if ( col.IsSortKey() )
{
hdi.mask |= HDI_FORMAT;
hdi.fmt |= col.IsSortOrderAscending() ? HDF_SORTUP : HDF_SORTDOWN;
}
if ( col.GetWidth() != wxCOL_WIDTH_DEFAULT )
{
hdi.mask |= HDI_WIDTH;
hdi.cxy = col.GetWidth();
}
hdi.mask |= HDI_ORDER;
hdi.iOrder = MSWToNativeOrder(m_colIndices.Index(idx));
if ( ::SendMessage(GetHwnd(), HDM_INSERTITEM,
MSWToNativeIdx(idx), (LPARAM)&hdi) == -1 )
{
wxLogLastError(wxT("Header_InsertItem()"));
}
}
