void CSingleCheckListBox::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags)
{
if(nChar==VK_SPACE)
{
int nIndex=GetCaretIndex();
if(nIndex!=LB_ERR)
{
if (m_nStyle != BS_CHECKBOX && m_nStyle != BS_3STATE)
{
if ((GetStyle() & LBS_MULTIPLESEL) == 0)
{
if (IsEnabled(nIndex))
{
int nCheck = GetCheck(nIndex);
if(nCheck==1)
return;
else if(nCheck==0)
{
SetCheck(m_nLastChecked,0);
m_nLastChecked=nIndex;
}
}
}
}
}
}
CCheckListBox::OnKeyDown(nChar,nRepCnt,nFlags);
}
//
/// Toggle the "checked" state when the space is pressed.
//
void
TCheckList::EvChar(uint key, uint /*repeatCount*/, uint /*flags*/)
{
TCheckListItem* item = GetItem(GetCaretIndex());
if (item && item->IsEnabled() && key == _T(' ')) {
item->Toggle();
Update();
}
// else /??? Eat char ???????????
// TListBox::EvChar(key, repeatCount, flags);
}
//
/// Toggle the "checked" state when the mouse is clicked in the checkbox.
//
void
TCheckList::EvLButtonDown(uint modKeys, const TPoint& point)
{
TListBox::EvLButtonDown(modKeys, point);
TCheckListItem* item = GetItem(GetCaretIndex());
if(item && item->IsEnabled() && point.x < CheckList_BoxWidth){
item->Toggle();
Update();
// Inform parent of change with BN_CLICKED message
if(GetParentO())
GetParentO()->HandleMessage(WM_COMMAND,
MkParam2(Attr.Id, BN_CLICKED),
TParam2(GetHandle()));
}
}
void CCheckListBox::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags)
{
if (nChar == VK_SPACE)
{
int nIndex = GetCaretIndex();
CWnd* pParent = GetParent();
ASSERT_VALID(pParent);
if (nIndex != LB_ERR)
{
if (m_nStyle != BS_CHECKBOX && m_nStyle != BS_3STATE)
{
if ((GetStyle() & LBS_MULTIPLESEL) != 0)
{
if (IsEnabled(nIndex))
{
BOOL bSelected = GetSel(nIndex);
if (bSelected)
{
int nModulo = (m_nStyle == BS_AUTO3STATE) ? 3 : 2;
int nCheck = GetCheck(nIndex);
nCheck = (nCheck == nModulo) ? nCheck - 1 : nCheck;
SetCheck(nIndex, (nCheck + 1) % nModulo);
// Inform of check
pParent->SendMessage(WM_COMMAND,
MAKEWPARAM(GetDlgCtrlID(), CLBN_CHKCHANGE),
(LPARAM)m_hWnd);
}
SetSel(nIndex, !bSelected);
}
else
SetSel(nIndex, FALSE); // unselect disabled items
return;
}
else
{
// If there is a selection, the space bar toggles that check,
// all other keys are the same as a standard listbox.
if (IsEnabled(nIndex))
{
int nModulo = (m_nStyle == BS_AUTO3STATE) ? 3 : 2;
int nCheck = GetCheck(nIndex);
nCheck = (nCheck == nModulo) ? nCheck - 1 : nCheck;
SetCheck(nIndex, (nCheck + 1) % nModulo);
InvalidateCheck(nIndex);
// Inform of check
pParent->SendMessage(WM_COMMAND,
MAKEWPARAM(GetDlgCtrlID(), CLBN_CHKCHANGE),
(LPARAM)m_hWnd);
}
else
SetSel(nIndex, FALSE); // unselect disabled items
return;
}
}
}
}
CListBox::OnKeyDown(nChar, nRepCnt, nFlags);
}
