void COptionTreeList::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags)
{
// Declare variables
COptionTreeItem* otiItem;
CRect rcClient;
// Get client rectangle
GetClientRect(rcClient);
// Validate option
if (m_otOption == NULL)
{
CWnd::OnKeyDown(nChar, nRepCnt, nFlags);
return;
}
// See if disabled
if (m_otOption->IsDisableInput() || !m_otOption->IsWindowEnabled())
{
CWnd::OnKeyDown(nChar, nRepCnt, nFlags);
return;
}
otiItem = m_otOption->GetFocusedItem();
BOOL bWasActivated = FALSE; if (NULL != otiItem && otiItem->IsActivated())
{
bWasActivated=TRUE;
}
switch (nChar)
{
case VK_TAB:
// -- Shift
if (GetKeyState(VK_SHIFT) < 0)
{
// -- -- Focus next
otiItem = m_otOption->GetFocusedItem();
if (otiItem != NULL && !otiItem->IsRootLevel())
{
m_otOption->FocusPrev();
}
// -- -- Activate
otiItem = m_otOption->GetFocusedItem();
if (otiItem != NULL && !otiItem->IsRootLevel() && !otiItem->IsReadOnly())
{
otiItem->Activate();
}
Invalidate();
UpdateWindow();
}
// -- No shift
else
{
// -- -- Focus next
otiItem = m_otOption->GetFocusedItem();
if (otiItem != NULL && !otiItem->IsRootLevel())
{
m_otOption->FocusNext();
}
// -- -- Activate
otiItem = m_otOption->GetFocusedItem();
if (otiItem != NULL && !otiItem->IsRootLevel() && !otiItem->IsReadOnly())
{
otiItem->Activate();
}
Invalidate();
UpdateWindow();
}
break;
case VK_RETURN:
// -- Activate
otiItem = m_otOption->GetFocusedItem();
if (otiItem != NULL && !otiItem->IsRootLevel() && !otiItem->IsReadOnly())
{
otiItem->Activate();
}
break;
case VK_HOME:
// -- Focus on first item
if (m_otOption->FocusFirst())
{
Invalidate();
UpdateWindow();
}
break;
case VK_END:
// -- Focus on last item
if (m_otOption->FocusLast())
{
Invalidate();
UpdateWindow();
}
break;
case VK_LEFT:
// -- Get focused item
otiItem = m_otOption->GetFocusedItem();
if (otiItem != NULL)
{
// -- -- Send notify to user
if (!m_otOption->SendNotify(OT_NOTIFY_ITEMEXPANDING, otiItem))
{
// -- -- -- Validate
if (otiItem->GetChild() && otiItem->IsExpanded())
{
// -- Expand
otiItem->Expand(FALSE);
// -- Update resize
UpdateResize();
// -- Force redraw
Invalidate();
// -- Update window
UpdateWindow();
// -- Check visible
CheckVisibleFocus();
break;
}
}
}
else
break;
/** Modified By RuralMouse
case VK_UP:
// -- Move focus up
if (m_otOption->FocusPrev())
{
Invalidate();
UpdateWindow();
}
break;
*/
case VK_UP:
// -- Move focus up
if (m_otOption->FocusPrev())
{
// -- Restore activation if the previously focused item used to be activated.
otiItem = m_otOption->GetFocusedItem();
if (bWasActivated && NULL != otiItem)
{
otiItem->Activate();
}
Invalidate();
UpdateWindow();
}
break;
case VK_RIGHT:
// -- Get focused item
otiItem = m_otOption->GetFocusedItem();
if (otiItem != NULL)
{
// -- -- Send notify to user
if (!m_otOption->SendNotify(OT_NOTIFY_ITEMEXPANDING, otiItem))
{
// -- -- -- Validate
if (otiItem->GetChild() && !otiItem->IsExpanded())
{
// -- -- -- -- Expand
otiItem->Expand(TRUE);
// -- -- -- -- Update resize
UpdateResize();
// -- -- -- -- Force redraw
Invalidate();
// -- -- -- -- Update window
UpdateWindow();
// -- -- -- -- Check visible
CheckVisibleFocus();
break;
}
}
}
else
break;
/** Modified By RuralMouse
case VK_DOWN:
// -- Move focus down
if (m_otOption->FocusNext())
{
Invalidate();
UpdateWindow();
}
break;
*/
case VK_DOWN:
// -- Move focus down
if (m_otOption->FocusNext())
{
// -- Restore activation if the previously focused item used to be activated.
otiItem = m_otOption->GetFocusedItem();
if (bWasActivated && NULL != otiItem)
{
otiItem->Activate();
}
Invalidate();
UpdateWindow();
}
break;
}
CWnd::OnKeyDown(nChar, nRepCnt, nFlags);
}
