LRESULT CTreePropSheet::OnIsDialogMessage(WPARAM wParam, LPARAM lParam)
{
MSG *pMsg = reinterpret_cast<MSG*>(lParam);
if (pMsg->message == WM_KEYDOWN && (GetKeyState(VK_CONTROL) & 0x8000))
{
// Handle default Windows Common Controls short cuts
if (pMsg->wParam == VK_TAB)
{
if (GetKeyState(VK_SHIFT) & 0x8000)
ActivatePreviousPage(); // Ctrl+Shift+Tab
else
ActivateNextPage(); // Ctrl+Tab
return TRUE;
}
else if (pMsg->wParam == VK_PRIOR)
{
ActivatePreviousPage(); // Ctrl+PageUp
return TRUE;
}
else if (pMsg->wParam == VK_NEXT)
{
ActivateNextPage(); // Ctrl+PageDown
return TRUE;
}
}
return CPropertySheet::DefWindowProc(PSM_ISDIALOGMESSAGE, wParam, lParam);
}
void CTreePropSheetBase::ActivatePreviousPage(HTREEITEM hItem)
{
// property sheet with page tree.
// we need a more sophisticated handling here, than simply using
// the page index, because we won't skip empty pages.
// so we have to walk the page tree
ASSERT(hItem);
if (!hItem)
return;
HTREEITEM hPrevItem = m_pwndPageTree->GetPrevSiblingItem(hItem);
if( hPrevItem )
{
while (m_pwndPageTree->ItemHasChildren(hPrevItem))
{
hPrevItem = m_pwndPageTree->GetChildItem(hPrevItem);
while (m_pwndPageTree->GetNextSiblingItem(hPrevItem))
hPrevItem = m_pwndPageTree->GetNextSiblingItem(hPrevItem);
}
}
else
hPrevItem=m_pwndPageTree->GetParentItem(hItem);
if (!hPrevItem)
{
// no prev item, so cycle to the last item
hPrevItem = m_pwndPageTree->GetRootItem();
while (TRUE)
{
while (m_pwndPageTree->GetNextSiblingItem(hPrevItem))
hPrevItem = m_pwndPageTree->GetNextSiblingItem(hPrevItem);
if (m_pwndPageTree->ItemHasChildren(hPrevItem))
hPrevItem = m_pwndPageTree->GetChildItem(hPrevItem);
else
break;
}
}
if (!hPrevItem)
return;
// If we skip the empty pages and the tree item does not point to
// a property page, call ActivateNextPage again. This is fine since
// we know there is at least one valid property page in the sheet.
if( IsTreeItemDisplayable( hPrevItem ) )
m_pwndPageTree->SelectItem( hPrevItem );
else
ActivatePreviousPage( hPrevItem );
}
LRESULT CTreePropSheet::OnIsDialogMessage(WPARAM wParam, LPARAM lParam)
{
MSG *pMsg = reinterpret_cast<MSG*>(lParam);
if (pMsg->message==WM_KEYDOWN && pMsg->wParam==VK_TAB && GetKeyState(VK_CONTROL)&0x8000)
{
if (GetKeyState(VK_SHIFT)&0x8000)
ActivatePreviousPage();
else
ActivateNextPage();
return TRUE;
}
if (pMsg->message == WM_KEYDOWN && GetKeyState(VK_CONTROL) & 0x8000 && ((pMsg->wParam == VK_PRIOR) || pMsg->wParam == VK_NEXT))
{
if (pMsg->wParam == VK_PRIOR)
ActivatePreviousPage();
else
ActivateNextPage();
return TRUE;
}
return CPropertySheet::DefWindowProc(PSM_ISDIALOGMESSAGE, wParam, lParam);
}
LRESULT CTreePropSheetBase::OnIsDialogMessage(WPARAM wParam, LPARAM lParam)
{
MSG *pMsg = reinterpret_cast<MSG*>(lParam);
ASSERT( pMsg );
if (pMsg->message==WM_KEYDOWN && GetKeyState(VK_CONTROL)&0x8000)
{
if( pMsg->wParam==VK_TAB )
{
if (GetKeyState(VK_SHIFT)&0x8000)
{
ActivatePreviousPage();
}
else
{
ActivateNextPage();
}
}
else
{
if( pMsg->wParam==VK_PRIOR ) /*PageUp*/
{
ActivatePreviousPage();
}
else
{
if( pMsg->wParam==VK_NEXT ) /*PageDown*/
{
ActivateNextPage();
}
}
}
return TRUE;
}
return CPropertySheet::DefWindowProc(PSM_ISDIALOGMESSAGE, wParam, lParam);
}
void CTreePropSheetBase::ActivatePreviousPage()
{
if( !IsWindow(m_hWnd) || 0 == GetPageCount() )
return;
if (!IsWindow(m_pwndPageTree->GetSafeHwnd()))
{
// normal tab property sheet. Simply use page index
int nPageIndex = GetActiveIndex();
if (nPageIndex<0 || nPageIndex>=GetPageCount())
return;
int nPrevIndex = (nPageIndex==0)? GetPageCount()-1 : nPageIndex-1;
SetActivePage(nPrevIndex);
}
else
{
HTREEITEM hItem = m_pwndPageTree->GetSelectedItem();
ActivatePreviousPage( hItem );
}
}
BOOL CTreePropSheetBase::PreTranslateMessage(MSG* pMsg)
{
if( pMsg->hwnd == GetPageTreeControl()->GetSafeHwnd() )
{
// If not in skipping empty page mode, keep the standard behavior.
if( !m_bSkipEmptyPages )
return CPropertySheet::PreTranslateMessage(pMsg);
if( pMsg->message == WM_KEYDOWN )
{
// Get the current tree item.
HTREEITEM hCurrentItem = m_pwndPageTree->GetSelectedItem();
if( NULL == hCurrentItem )
return TRUE;
if( pMsg->wParam == VK_UP )
{
// Active the previous page according to tree ordering -
// skipping empty pages on the way.
ActivatePreviousPage( hCurrentItem );
return TRUE;
}
else if ( pMsg->wParam == VK_DOWN )
{
// Active the next page according to tree ordering -
// skipping empty pages on the way.
ActivateNextPage( hCurrentItem );
return TRUE;
}
else if( pMsg->wParam == VK_LEFT )
{
/* Here, we try to mimic the tree keyboard handling by doing
one of the two things:the following
- If the tree item is expanded, collapse it
- If the tree item is collapse, find a parent item that has a page
associated with it and select it, collapsing all items along the
way. */
if( IsItemExpanded( hCurrentItem ) )
{
// Collapse the item since it is expanded.
m_pwndPageTree->Expand( hCurrentItem, TVE_COLLAPSE );
}
else
{
// Already collapsed, search for a candidate for selection.
HTREEITEM hItem = m_pwndPageTree->GetParentItem( hCurrentItem );
while( NULL != hItem && !HasValidPropertyPageAssociated( hItem ) )
{
// Add item to the stack.
hItem = m_pwndPageTree->GetParentItem( hItem );
}
// If the item points to a valid page, select it and collapse
if( NULL != hItem && HasValidPropertyPageAssociated( hItem ) )
{
m_pwndPageTree->SelectItem( hItem );
}
}
return TRUE;
}
else if( pMsg->wParam == VK_RIGHT )
{
/* Here, we try to mimic the tree keyboard handling by doing
one of the two things:the following
- If the tree item is collapsed, expand it
- If the tree item is expanded, find a child item that has a page
associated with it and select it, expanding all items along the
way. The child has to be a first child in the hierarchy. */
if( IsItemExpanded( hCurrentItem ) )
{
// Already expanded, search for a candidate for selection.
HTREEITEM hItem = m_pwndPageTree->GetChildItem( hCurrentItem );
while( NULL != hItem && !HasValidPropertyPageAssociated( hItem ) )
{
// Add item to the stack.
hItem = m_pwndPageTree->GetChildItem( hItem );
}
// If the item points to a valid page, select it and collapse
if( NULL != hItem && HasValidPropertyPageAssociated( hItem ) )
{
m_pwndPageTree->SelectItem( hItem );
}
}
else
{
// Expand the item since it is collapsed.
m_pwndPageTree->Expand( hCurrentItem, TVE_EXPAND );
}
return TRUE;
}
}
}
else if( WM_ENABLE == pMsg->message)
{
// Handle WM_ENABLE messages for property pages: Update the property page
// information map.
TRACE("");
}
return CPropertySheet::PreTranslateMessage(pMsg);
}
