const Math::Vector3f GetPosition()const
{
return DoGetPosition();
}
void wxChoice::DoSetSize(int x, int y,
int width, int height,
int sizeFlags)
{
int heightOrig = height;
// the height which we must pass to Windows should be the total height of
// the control including the drop down list while the height given to us
// is, of course, just the height of the permanently visible part of it
if ( height != wxDefaultCoord )
{
// don't make the drop down list too tall, arbitrarily limit it to 40
// items max and also don't leave it empty
size_t nItems = GetCount();
if ( !nItems )
nItems = 9;
else if ( nItems > 24 )
nItems = 24;
// add space for the drop down list
const int hItem = SendMessage(GetHwnd(), CB_GETITEMHEIGHT, 0, 0);
height += hItem*(nItems + 1);
}
else
{
// We cannot pass wxDefaultCoord as height to wxControl. wxControl uses
// wxGetWindowRect() to determine the current height of the combobox,
// and then again sets the combobox's height to that value. Unfortunately,
// wxGetWindowRect doesn't include the dropdown list's height (at least
// on Win2K), so this would result in a combobox with dropdown height of
// 1 pixel. We have to determine the default height ourselves and call
// wxControl with that value instead.
int w, h;
RECT r;
DoGetSize(&w, &h);
if (::SendMessage(GetHwnd(), CB_GETDROPPEDCONTROLRECT, 0, (LPARAM) &r) != 0)
{
height = h + r.bottom - r.top;
}
}
wxControl::DoSetSize(x, y, width, height, sizeFlags);
// If we're storing a pending size, make sure we store
// the original size for reporting back to the app.
if (m_pendingSize != wxDefaultSize)
m_pendingSize = wxSize(width, heightOrig);
// This solution works on XP, but causes choice/combobox lists to be
// too short on W2K and earlier.
#if 0
int widthCurrent, heightCurrent;
DoGetSize(&widthCurrent, &heightCurrent);
// the height which we must pass to Windows should be the total height of
// the control including the drop down list while the height given to us
// is, of course, just the height of the permanently visible part of it
if ( height != wxDefaultCoord && height != heightCurrent )
{
// don't make the drop down list too tall, arbitrarily limit it to 40
// items max and also don't leave it empty
unsigned int nItems = GetCount();
if ( !nItems )
nItems = 9;
else if ( nItems > 24 )
nItems = 24;
// add space for the drop down list
const int hItem = SendMessage(GetHwnd(), CB_GETITEMHEIGHT, 0, 0);
height += hItem*(nItems + 1);
}
else // keep the same height as now
{
// normally wxWindow::DoSetSize() checks if we set the same size as the
// window already has and does nothing in this case, but for us the
// check fails as the size we pass to it includes the dropdown while
// the size returned by our GetSize() does not, so test if the size
// didn't really change ourselves here
if ( width == wxDefaultCoord || width == widthCurrent )
{
// size doesn't change, what about position?
int xCurrent, yCurrent;
DoGetPosition(&xCurrent, &yCurrent);
const bool defMeansUnchanged = !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE);
if ( ((x == wxDefaultCoord && defMeansUnchanged) || x == xCurrent)
&&
((y == wxDefaultCoord && defMeansUnchanged) || y == yCurrent) )
{
// nothing changes, nothing to do
return;
}
}
// We cannot pass wxDefaultCoord as height to wxControl. wxControl uses
// wxGetWindowRect() to determine the current height of the combobox,
// and then again sets the combobox's height to that value. Unfortunately,
// wxGetWindowRect doesn't include the dropdown list's height (at least
// on Win2K), so this would result in a combobox with dropdown height of
// 1 pixel. We have to determine the default height ourselves and call
// wxControl with that value instead.
//
// Also notice that sometimes CB_GETDROPPEDCONTROLRECT seems to return
// wildly incorrect values (~32000) which looks like a bug in it, just
// ignore them in this case
RECT r;
if ( ::SendMessage(GetHwnd(), CB_GETDROPPEDCONTROLRECT, 0, (LPARAM) &r)
&& r.bottom < 30000 )
{
height = heightCurrent + r.bottom - r.top;
}
}
wxControl::DoSetSize(x, y, width, height, sizeFlags);
#endif
}
