BOOL CSSEditCtrls::SubclassCtrls(CWnd *pParent, int nIDEdit, int nIDSpinner, int nIDSlider)
{
ASSERT(!m_nLockCnt);
m_nLockCnt = 1;
ASSERT(nIDEdit && nIDEdit != -1);
ASSERT(!nIDSpinner || nIDSpinner != -1 && nIDSpinner != nIDEdit);
ASSERT(!nIDSlider || nIDSlider != -1
&& nIDSlider != nIDEdit && (!nIDSlider || nIDSlider != nIDSpinner));
ASSERT(!m_hWnd);
if (!SubclassDlgItem(nIDEdit, pParent))
return FALSE;
ASSERT(!m_Spinner.m_hWnd);
if (nIDSpinner && !m_Spinner.SubclassDlgItem(nIDSpinner, pParent)) {
UnsubclassWindow();
return FALSE;
}
ASSERT(!m_Slider.m_hWnd);
if (nIDSlider && !m_Slider.SubclassDlgItem(nIDSlider, pParent)) {
if (nIDSpinner)
m_Spinner.UnsubclassWindow();
UnsubclassWindow();
return FALSE;
}
ASSERT(m_hWnd && GetDlgCtrlID() == nIDEdit);
ASSERT(!nIDSpinner || m_Spinner.m_hWnd && m_Spinner.GetDlgCtrlID() == nIDSpinner);
ASSERT(!nIDSlider || m_Slider.m_hWnd && m_Slider.GetDlgCtrlID() == nIDSlider);
--m_nLockCnt;
return TRUE;
}
BOOL CGetFilenameControl::Reset (void)
{
// test our inputs
ASSERT(this);
if (!IsWindow(m_Edit.GetSafeHwnd()))
{
ASSERT(FALSE);
TRACE0("CGetFilenameControl::Reset -- EditButton window handle is invalid!\n");
return FALSE;
}
// remove the button
if (!RemoveEditButton()) {
TRACE0("CGetFilenameControl::Reset -- Failure to remove button control!\n");
ASSERT(FALSE);
return FALSE;
}
// subclass the control
HWND hWnd = UnsubclassWindow();
if (NULL == hWnd)
{
TRACE0("CGetFilenameControl::Reset -- Failure to Unsubclass edit control!\n");
ASSERT(FALSE);
return FALSE;
}
m_sDir.Empty();
return TRUE;
}
//-----------------------------------------------------------------------------
void CWindowMinMaxSubclass::SubclassWindow()
{
#ifdef XP_WIN
if (m_prevWndProc != NULL) UnsubclassWindow();
m_prevWndProc = (WNDPROC)GetWindowLong(m_hwnd, GWL_WNDPROC);
SetWindowLong(m_hwnd, GWL_USERDATA, (LONG)this);
SetWindowLong(m_hwnd, GWL_WNDPROC, (LONG)WindowMinMaxSubclassProc);
{
DEV_BROADCAST_DEVICEINTERFACE NotificationFilter;
char szMsg[80];
ZeroMemory( &NotificationFilter, sizeof(NotificationFilter) );
NotificationFilter.dbcc_size = sizeof(DEV_BROADCAST_DEVICEINTERFACE);
NotificationFilter.dbcc_devicetype = DBT_DEVTYP_DEVICEINTERFACE;
NotificationFilter.dbcc_classguid = GUID_NULL;
HDEVNOTIFY hDevNotify = RegisterDeviceNotification( m_hwnd, &NotificationFilter, DEVICE_NOTIFY_WINDOW_HANDLE | DEVICE_NOTIFY_ALL_INTERFACE_CLASSES );
if(!hDevNotify)
{
::wsprintfA(szMsg, "RegisterDeviceNotification failed: %d\n", ::GetLastError());
::MessageBoxA(m_hwnd, szMsg, "Registration", MB_OK);
}
else
{
m_hDevNotify = hDevNotify;
}
}
#endif
}
// Unsubclasses MDIClient window and destroys the COXTabWorkspace control
// that was used to manage MDIChild window
BOOL COXTabClientWnd::Detach()
{
// Check if any attached
if(!IsAttached())
{
TRACE(_T("COXTabClientWnd::Attach: there is nothing to detach! Window hasn't been attached!\n"));
return FALSE;
}
// Destroy tab control
if(::IsWindow(m_tab.GetSafeHwnd()))
m_tab.DestroyWindow();
m_tab.m_pTabClientWnd=NULL;
// Unsubclass MDIClient window
UnsubclassWindow();
// Update the size and position of the MDIClient window
if(::IsWindow(m_pParentFrame->GetSafeHwnd()))
m_pParentFrame->RecalcLayout();
m_pParentFrame=NULL;
return TRUE;
}
void CySplitterWnd::Unbind(void)
{
if (!::IsWindow(m_hWnd))
return;
DetachAllCtrls();
UnsubclassWindow();
}
//-----------------------------------------------------------------------------
CWindowMinMaxSubclass::~CWindowMinMaxSubclass()
{
#ifdef XP_WIN
UnsubclassWindow();
NS_RELEASE(m_callback);
#endif
} // dtor
//=============================================================================
// Process window message from list view. Call default to bypass MFC
// entirely because MFC has all sorts of ASSERT checks that will bomb.
// The only message I care about is WM_DESTROY, to re-initialize myself.
//
// The original version in MSDN only overrode OnCommand; it's necessary to
// override WindowProc to completely bypass MFC.
//
LRESULT CXFileOpenListView::WindowProc(UINT msg, WPARAM, LPARAM)
//=============================================================================
{
if (msg == WM_DESTROY)
{
m_lastViewMode = GetViewMode(); // save current view mode
UnsubclassWindow(); // unsubclass myself
}
return Default(); // all message: pass to default WndProc, avoid MFC/CWnd
}
void CXTPTabCtrlButtons::UnSubclassTabButtons()
{
if (m_hWnd)
{
HWND hWnd = UnsubclassWindow();
if (hWnd == m_hwndPrimary)
{
::DestroyWindow(hWnd);
}
}
m_hwndSubclassed = NULL;
}
void CEditLog::SetEditCtrl(
HWND hEdit
)
{
if( hEdit != GetHandle() && GetHandle() != NULL )
UnsubclassWindow();
if( SubclassWindow( hEdit ) ) {
// We want to support a lot of text...
// Note that Win9x supports no more than 64kb of text! - just too bad...
// Tip: Use NT/2k :-)
::SendMessage( hEdit, EM_LIMITTEXT, 0, 0 );
}
}
BOOL CResizablePageEx::OnInitDialog()
{
CPropertyPageEx::OnInitDialog();
// set the initial size as the min track size
CRect rc;
GetWindowRect(&rc);
SetMinTrackSize(rc.Size());
// HACK: temporarily abandon subclassing
// CAUSE: system subclasses this window after this message
// ISSUE: our WindowProc is not the first to be called
// and we miss some painting related messages
if (Attach(UnsubclassWindow()))
{
CWnd* pParent = GetParent();
pParent->LockWindowUpdate();
Post_SheetPageExHack(pParent->GetSafeHwnd(), m_hWnd);
}
return TRUE; // return TRUE unless you set the focus to a control
// EXCEPTION: OCX Property Pages should return FALSE
}
void CySplitterWnd::Unbind(void)
{
DetachAllPanes();
UnsubclassWindow();
}
CXRefreshToolbar::~CXRefreshToolbar()
{
DT(TRACE_I(FS(_T("Toolbar[%08X]: destructor"), this)));
m_Toolbar.DestroyWindow();
UnsubclassWindow();
}
CUpgradrToolbar::~CUpgradrToolbar()
{
DT(TRACE_I(FS(_T("Toolbar[%08X]: destructor"), this)));
m_kToolbar.DestroyWindow();
UnsubclassWindow();
}
CEditLog::~CEditLog(
)
{
UnsubclassWindow();
::DeleteCriticalSection( &m_csLock );
}
void CEditLog::OnDestroy(
)
{
UnsubclassWindow();
}
CSubclassWnd::~CSubclassWnd()
{
if (m_hWnd != NULL)
UnsubclassWindow();
}
void
CToolWindow::DetachFromIE()
{
if (!m_hWnd) return;
::DestroyWindow(UnsubclassWindow(TRUE)); // HACK: i shouldn't destroy IE's windows
}
CMainWindow::~CMainWindow()
{
if (IsWindow())
UnsubclassWindow(TRUE);
}
