static void
on_view(mfc_term_view *view)
{
if (view && IsWindow(view->m_hWnd)) {
CMDIFrameWnd *fw = (CMDIFrameWnd *)(the_boss.m_pMainWnd);
if (view->is_visible) {
CMDIChildWnd *cw = (CMDIChildWnd *)fw->GetActiveFrame();
if (view == cw->GetActiveView()) fw->MDINext();
view->GetParent()->ShowWindow(SW_HIDE);
} else {
view->GetParent()->ShowWindow(SW_SHOW);
fw->MDIActivate(view->GetParent());
}
view->is_visible = !view->is_visible;
SendMessage(fw->m_hWndMDIClient, WM_MDIREFRESHMENU, 0, 0);
}
}
void CMDIChildWnd::ActivateFrame(int nCmdShow)
{
BOOL bVisibleThen = (GetStyle() & WS_VISIBLE) != 0;
CMDIFrameWnd* pFrameWnd = GetMDIFrame();
ASSERT_VALID(pFrameWnd);
// determine default show command
if (nCmdShow == -1)
{
// get maximized state of frame window (previously active child)
BOOL bMaximized;
pFrameWnd->MDIGetActive(&bMaximized);
// convert show command based on current style
DWORD dwStyle = GetStyle();
if (bMaximized || (dwStyle & WS_MAXIMIZE))
nCmdShow = SW_SHOWMAXIMIZED;
else if (dwStyle & WS_MINIMIZE)
nCmdShow = SW_SHOWMINIMIZED;
}
// finally, show the window
CFrameWnd::ActivateFrame(nCmdShow);
// update the Window menu to reflect new child window
CMDIFrameWnd* pFrame = GetMDIFrame();
::SendMessage(pFrame->m_hWndMDIClient, WM_MDIREFRESHMENU, 0, 0);
// Note: Update the m_bPseudoInactive flag. This is used to handle the
// last MDI child getting hidden. Windows provides no way to deactivate
// an MDI child window.
BOOL bVisibleNow = (GetStyle() & WS_VISIBLE) != 0;
if (bVisibleNow == bVisibleThen)
return;
if (!bVisibleNow)
{
// get current active window according to Windows MDI
HWND hWnd = (HWND)::SendMessage(pFrameWnd->m_hWndMDIClient,
WM_MDIGETACTIVE, 0, 0);
if (hWnd != m_hWnd)
{
// not active any more -- window must have been deactivated
ASSERT(!m_bPseudoInactive);
return;
}
// check next window
ASSERT(hWnd != NULL);
pFrameWnd->MDINext();
// see if it has been deactivated now...
hWnd = (HWND)::SendMessage(pFrameWnd->m_hWndMDIClient,
WM_MDIGETACTIVE, 0, 0);
if (hWnd == m_hWnd)
{
// still active -- fake deactivate it
ASSERT(hWnd != NULL);
::SendMessage(pFrameWnd->m_hWndMDIClient, WM_MDIACTIVATE, (WPARAM)m_hWnd, NULL);
m_bPseudoInactive = TRUE; // so MDIGetActive returns NULL
}
}
else if (m_bPseudoInactive)
{
// if state transitioned from not visible to visible, but
// was pseudo deactivated -- send activate notify now
::SendMessage(pFrameWnd->m_hWndMDIClient, WM_MDIACTIVATE, NULL, (LPARAM)m_hWnd);
ASSERT(!m_bPseudoInactive); // should get set in OnMDIActivate!
}
}