wxSize wxButton::DoGetBestSize() const
{
- int wBtn = 0;
- int wChar, hChar, hBtn;
- wxGetCharSize(GetHWND(), &wChar, &hChar, GetFont());
+ wxClientDC dc(wx_const_cast(wxButton *, this));
+ dc.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
- wxString label = wxGetWindowText(GetHWND());
- if ( label.find(_T('\n')) != wxString::npos )
- {
- wxStringTokenizer tokens( label, wxT("\n") );
-
- // the button height is proportional to the height of the font used
- hBtn = BUTTON_HEIGHT_FROM_CHAR_HEIGHT(hChar);
- hBtn += hChar*(tokens.CountTokens()-1);
-
- while (tokens.HasMoreTokens())
- {
- wxString sub = tokens.GetNextToken();
- int w;
- GetTextExtent( sub, &w, NULL);
- if (w > wBtn)
- wBtn = w;
- }
- }
- else
- {
- GetTextExtent( label, &wBtn, NULL);
+ wxCoord wBtn,
+ hBtn;
+ dc.GetMultiLineTextExtent(GetLabel(), &wBtn, &hBtn);
- // the button height is proportional to the height of the font used
- hBtn = BUTTON_HEIGHT_FROM_CHAR_HEIGHT(hChar);
- }
-
// add a margin -- the button is wider than just its label
- wBtn += 3*wChar;
+ wBtn += 3*GetCharWidth();
+ hBtn = BUTTON_HEIGHT_FROM_CHAR_HEIGHT(hBtn);
// all buttons have at least the standard size unless the user explicitly
// wants them to be of smaller size and used wxBU_EXACTFIT style when