void PropertyTree::OnKeyDown(UINT nChar, UINT, UINT)
{
PropertyTreeItem* pItem;
switch (nChar)
{
case VK_RETURN:
if ((pItem = GetFocusedItem())!=NULL && !pItem->IsRootLevel())
{
pItem->Activate();
}
break;
case VK_LEFT:
if ((pItem = GetFocusedItem())!=NULL)
{
if (!SendNotify(PTN_ITEMEXPANDING, pItem))
{
if (pItem->GetChild() && pItem->IsExpanded())
{
pItem->Expand(FALSE);
UpdateScrollbar();
Invalidate();
UpdateWindow();
CheckVisibleFocus();
break;
}
}
}
else
break;
// pass thru to next case VK_UP
case VK_UP:
if (FocusPrev())
Invalidate();
break;
case VK_RIGHT:
if ((pItem = GetFocusedItem())!=NULL)
{
if (!SendNotify(PTN_ITEMEXPANDING, pItem))
{
if (pItem->GetChild() && !pItem->IsExpanded())
{
pItem->Expand();
UpdateScrollbar();
Invalidate();
UpdateWindow();
CheckVisibleFocus();
break;
}
}
}
else
break;
// pass thru to next case VK_DOWN
case VK_DOWN:
if (FocusNext())
Invalidate();
break;
}
}
int CMenu::Run()
{
if ( m_oItems[m_iCurrentItem]->GetEnabled() )
{
m_oItems[m_iCurrentItem]->SetActive(true);
}
else
{
FocusNext();
}
Draw();
while ( !m_bDone )
{
if ( g_oState.m_bQuitFlag )
{
m_bDone = true;
m_iReturnCode = -1;
break;
}
SDLKey enKey = GetKey( true );
if ( g_oState.m_bQuitFlag ||
SDLK_ESCAPE == enKey )
{
m_bDone = true;
m_iReturnCode = -1;
break;
}
switch ( enKey )
{
case SDLK_UP:
{
FocusPrev();
break;
} // end of SDLK_UP
case SDLK_DOWN:
{
FocusNext();
break;
} // end of SDLK_DOWN
case SDLK_LEFT:
{
CMenuItem* poItem = m_oItems[m_iCurrentItem];
poItem->Decrement();
break;
}
case SDLK_RIGHT:
{
CMenuItem* poItem = m_oItems[m_iCurrentItem];
poItem->Increment();
break;
}
case SDLK_RETURN:
{
CMenuItem* poItem = m_oItems[m_iCurrentItem];
if ( poItem->GetEnabled() )
{
poItem->Activate();
}
}
default:
break;
} // end of switch
}
Clear();
return m_iReturnCode;
}