WXLRESULT wxStaticBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
{
if ( nMsg == WM_NCHITTEST )
{
// This code breaks some other processing such as enter/leave tracking
// so it's off by default.
static int s_useHTClient = -1;
if (s_useHTClient == -1)
s_useHTClient = wxSystemOptions::GetOptionInt(wxT("msw.staticbox.htclient"));
if (s_useHTClient == 1)
{
int xPos = GET_X_LPARAM(lParam);
int yPos = GET_Y_LPARAM(lParam);
ScreenToClient(&xPos, &yPos);
// Make sure you can drag by the top of the groupbox, but let
// other (enclosed) controls get mouse events also
if ( yPos < 10 )
return (long)HTCLIENT;
}
}
if ( nMsg == WM_PRINTCLIENT )
{
// we have to process WM_PRINTCLIENT ourselves as otherwise child
// windows' background (eg buttons in radio box) would never be drawn
// unless we have a parent with non default background
// so check first if we have one
if ( !HandlePrintClient((WXHDC)wParam) )
{
// no, we don't, erase the background ourselves
// (don't use our own) - see PaintBackground for explanation
wxBrush brush(GetParent()->GetBackgroundColour());
wxFillRect(GetHwnd(), (HDC)wParam, GetHbrushOf(brush));
}
return 0;
}
return wxControl::MSWWindowProc(nMsg, wParam, lParam);
}
WXLRESULT wxStaticBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
{
if ( nMsg == WM_NCHITTEST )
{
// This code breaks some other processing such as enter/leave tracking
// so it's off by default.
static int s_useHTClient = -1;
if (s_useHTClient == -1)
s_useHTClient = wxSystemOptions::GetOptionInt(wxT("msw.staticbox.htclient"));
if (s_useHTClient == 1)
{
int xPos = GET_X_LPARAM(lParam);
int yPos = GET_Y_LPARAM(lParam);
ScreenToClient(&xPos, &yPos);
// Make sure you can drag by the top of the groupbox, but let
// other (enclosed) controls get mouse events also
if ( yPos < 10 )
return (long)HTCLIENT;
}
}
if ( nMsg == WM_PRINTCLIENT )
{
// we have to process WM_PRINTCLIENT ourselves as otherwise child
// windows' background (eg buttons in radio box) would never be drawn
// unless we have a parent with non default background
// so check first if we have one
if ( !HandlePrintClient((WXHDC)wParam) )
{
// no, we don't, erase the background ourselves
// (don't use our own) - see PaintBackground for explanation
wxBrush brush(GetParent()->GetBackgroundColour());
wxFillRect(GetHwnd(), (HDC)wParam, GetHbrushOf(brush));
}
return 0;
}
if ( nMsg == WM_UPDATEUISTATE )
{
// DefWindowProc() redraws just the static box text when it gets this
// message and it does it using the standard (blue in standard theme)
// colour and not our own label colour that we use in PaintForeground()
// resulting in the label mysteriously changing the colour when e.g.
// "Alt" is pressed anywhere in the window, see #12497.
//
// To avoid this we simply refresh the window forcing our own code
// redrawing the label in the correct colour to be called. This is
// inefficient but there doesn't seem to be anything else we can do.
//
// Notice that the problem is XP-specific and doesn't arise under later
// systems.
if ( m_hasFgCol && wxGetWinVersion() == wxWinVersion_XP )
Refresh();
}
return wxControl::MSWWindowProc(nMsg, wParam, lParam);
}
