BOOL CResizableSheet::ArrangeLayoutCallback(LAYOUTINFO &layout) const
{
if (layout.nCallbackID != m_nCallbackID) // we only added 1 callback
return CResizableLayout::ArrangeLayoutCallback(layout);
// set layout info for active page
layout.hWnd = (HWND)::SendMessage(m_hWnd, PSM_GETCURRENTPAGEHWND, 0, 0);
if (!::IsWindow(layout.hWnd))
return FALSE;
// set margins
if (IsWizard()) // wizard mode
{
// use pre-calculated margins
layout.marginTopLeft = m_sizePageTL;
layout.marginBottomRight = m_sizePageBR;
}
else // tab mode
{
CTabCtrl* pTab = GetTabControl();
ASSERT(pTab != NULL);
// get tab position after resizing and calc page rect
CRect rectPage, rectSheet;
GetTotalClientRect(&rectSheet);
if (!GetAnchorPosition(pTab->m_hWnd, rectSheet, rectPage))
return FALSE; // no page yet
// temporarily resize the tab control to calc page size
CRect rectSave;
pTab->GetWindowRect(rectSave);
::MapWindowPoints(NULL, m_hWnd, (LPPOINT)&rectSave, 2);
pTab->SetRedraw(FALSE);
pTab->MoveWindow(rectPage, FALSE);
pTab->AdjustRect(FALSE, &rectPage);
pTab->MoveWindow(rectSave, FALSE);
pTab->SetRedraw(TRUE);
// set margins
layout.marginTopLeft = rectPage.TopLeft() - rectSheet.TopLeft();
layout.marginBottomRight = rectPage.BottomRight() - rectSheet.BottomRight();
}
// set anchor types
layout.anchorTopLeft = TOP_LEFT;
layout.anchorBottomRight = BOTTOM_RIGHT;
// use this layout info
return TRUE;
}
BOOL CResizableSheetEx::CalcSizeExtra(HWND /*hWndChild*/, CSize sizeChild, CSize &sizeExtra)
{
CTabCtrl* pTab = GetTabControl();
if (!pTab)
return FALSE;
// get margins of tabcontrol
CRect rectMargins;
if (!GetAnchorMargins(pTab->m_hWnd, sizeChild, rectMargins))
return FALSE;
// get margin caused by tabcontrol
CRect rectTabMargins(0,0,0,0);
// get tab position after resizing and calc page rect
CRect rectPage, rectSheet;
GetTotalClientRect(&rectSheet);
if (!GetAnchorPosition(pTab->m_hWnd, rectSheet, rectPage))
return FALSE; // no page yet
// temporarily resize the tab control to calc page size
CRect rectSave;
pTab->GetWindowRect(rectSave);
::MapWindowPoints(NULL, m_hWnd, (LPPOINT)&rectSave, 2);
pTab->SetRedraw(FALSE);
pTab->MoveWindow(rectPage, FALSE);
pTab->AdjustRect(TRUE, &rectTabMargins);
pTab->MoveWindow(rectSave, FALSE);
pTab->SetRedraw(TRUE);
// add non-client size
::AdjustWindowRectEx(&rectTabMargins, GetStyle(), !(GetStyle() & WS_CHILD) &&
::IsMenu(GetMenu()->GetSafeHmenu()), GetExStyle());
// compute extra size
sizeExtra = rectMargins.TopLeft() + rectMargins.BottomRight() +
rectTabMargins.Size();
return TRUE;
}
