WXHRGN wxRadioBox::MSWGetRegionWithoutChildren()
{
RECT rc;
::GetWindowRect(GetHwnd(), &rc);
HRGN hrgn = ::CreateRectRgn(rc.left, rc.top, rc.right + 1, rc.bottom + 1);
const unsigned int count = GetCount();
#if defined(__INTEL_COMPILER) && 1 /* VDM auto patch */
# pragma ivdep
# pragma swp
# pragma unroll
# pragma prefetch
# if 0
# pragma simd noassert
# endif
#endif /* VDM auto patch */
for ( unsigned int i = 0; i < count; ++i )
{
// don't clip out hidden children
if ( !IsItemShown(i) )
continue;
::GetWindowRect((*m_radioButtons)[i], &rc);
AutoHRGN hrgnchild(::CreateRectRgnIndirect(&rc));
::CombineRgn(hrgn, hrgn, hrgnchild, RGN_DIFF);
}
return (WXHRGN)hrgn;
}
bool wxRadioBox::CanBeFocused() const
{
// If the control itself is hidden or disabled, no need to check anything
// else.
if ( !wxStaticBox::CanBeFocused() )
return false;
// Otherwise, check if we have any buttons that can be focused.
#if defined(__INTEL_COMPILER) && 1 /* VDM auto patch */
# pragma ivdep
# pragma swp
# pragma unroll
# pragma prefetch
# if 0
# pragma simd noassert
# endif
#endif /* VDM auto patch */
for ( size_t item = 0; item < m_radioButtons->GetCount(); item++ )
{
if ( IsItemEnabled(item) && IsItemShown(item) )
return true;
}
// We didn't find any items that can accept focus, so neither can we as a
// whole accept it.
return false;
}
bool wxRadioBox::CanBeFocused() const
{
// If the control itself is hidden or disabled, no need to check anything
// else.
if ( !wxStaticBox::CanBeFocused() )
return false;
// Otherwise, check if we have any buttons that can be focused.
for ( size_t item = 0; item < m_radioButtons->GetCount(); item++ )
{
if ( IsItemEnabled(item) && IsItemShown(item) )
return true;
}
// We didn't find any items that can accept focus, so neither can we as a
// whole accept it.
return false;
}
WXHRGN wxRadioBox::MSWGetRegionWithoutChildren()
{
RECT rc;
::GetWindowRect(GetHwnd(), &rc);
HRGN hrgn = ::CreateRectRgn(rc.left, rc.top, rc.right + 1, rc.bottom + 1);
const unsigned int count = GetCount();
for ( unsigned int i = 0; i < count; ++i )
{
// don't clip out hidden children
if ( !IsItemShown(i) )
continue;
::GetWindowRect((*m_radioButtons)[i], &rc);
AutoHRGN hrgnchild(::CreateRectRgnIndirect(&rc));
::CombineRgn(hrgn, hrgn, hrgnchild, RGN_DIFF);
}
return (WXHRGN)hrgn;
}
int wxRadioBoxBase::GetNextItem(int item, wxDirection dir, long style) const
{
const int itemStart = item;
int count = GetCount(),
numCols = GetColumnCount(),
numRows = GetRowCount();
bool horz = (style & wxRA_SPECIFY_COLS) != 0;
do
{
switch ( dir )
{
case wxUP:
if ( horz )
{
item -= numCols;
}
else // vertical layout
{
if ( !item-- )
item = count - 1;
}
break;
case wxLEFT:
if ( horz )
{
if ( !item-- )
item = count - 1;
}
else // vertical layout
{
item -= numRows;
}
break;
case wxDOWN:
if ( horz )
{
item += numCols;
}
else // vertical layout
{
if ( ++item == count )
item = 0;
}
break;
case wxRIGHT:
if ( horz )
{
if ( ++item == count )
item = 0;
}
else // vertical layout
{
item += numRows;
}
break;
default:
wxFAIL_MSG( wxT("unexpected wxDirection value") );
return wxNOT_FOUND;
}
// ensure that the item is in range [0..count)
if ( item < 0 )
{
// first map the item to the one in the same column but in the last
// row
item += count;
// now there are 2 cases: either it is the first item of the last
// row in which case we need to wrap again and get to the last item
// or we can just go to the previous item
if ( item % (horz ? numCols : numRows) )
item--;
else
item = count - 1;
}
else if ( item >= count )
{
// same logic as above
item -= count;
// ... except that we need to check if this is not the last item,
// not the first one
if ( (item + 1) % (horz ? numCols : numRows) )
item++;
else
item = 0;
}
wxASSERT_MSG( item < count && item >= 0,
wxT("logic error in wxRadioBox::GetNextItem()") );
}
// we shouldn't select the non-active items, continue looking for a
// visible and shown one unless we came back to the item we started from in
// which case bail out to avoid infinite loop
while ( !(IsItemShown(item) && IsItemEnabled(item)) && item != itemStart );
return item;
}