inplacectrls.cpp

用bcg库编写的java IDE 源码

   {
      // Show the edit box
      ::SetWindowPos( m_hWnd, 
                      HWND_TOP, 
                      rcEdit.left, rcEdit.top, rcEdit.Width(), rcEdit.Height(), 
                      SWP_SHOWWINDOW | SWP_NOREDRAW );
      
      // Set a bit of margin on the left
      SendMessage( EM_SETMARGINS, EC_LEFTMARGIN, 2 );

      // Select all the text
      SetSel( 0, -1 );

      // Invalidate
      Invalidate();
  
      // Give keyboard focus
      ::SetFocus( m_hWnd );

   }
} // CInPlaceEdit::Show()






//////////////////////////////////////////////////////////////////////////////
//                                                                          //
//                       CInPlaceButton class                               //
//                                                                          //
//////////////////////////////////////////////////////////////////////////////



BEGIN_MESSAGE_MAP( CInPlaceButton, CButton )
   //{{AFX_MSG_MAP(CInPlaceButton)
   ON_WM_CREATE()
   ON_WM_KILLFOCUS()
   ON_CONTROL_REFLECT(BN_CLICKED, OnClick)
   //}}AFX_MSG_MAP
END_MESSAGE_MAP()

IMPLEMENT_DYNCREATE( CInPlaceButton, CButton )



               ///////////////////////////////////////////////
               //           Constructor/Destructor          //
               ///////////////////////////////////////////////



///*-
// FUNCTION NAME: CInPlaceButton::CInPlaceButton()
//
// DESCRIPTION:   CInPlaceButton class constructor
//
// PARAMETER(S):  None.
//
// RETURN:        None
//
// NOTES:         None
//+*/
CInPlaceButton::CInPlaceButton()
{
   m_hParent = NULL;
   m_bInAction = FALSE;
} // CInPlaceButton::CInPlaceButton


///*-
// FUNCTION NAME: CInPlaceButton::~CInPlaceButton()
//
// DESCRIPTION:   CInPlaceButton class destructor
//
// PARAMETER(S):  None.
//
// RETURN:        None
//
// NOTES:         None
//+*/
CInPlaceButton::~CInPlaceButton()
{
} // CInPlaceButton::~CInPlaceButton


///*-
// FUNCTION NAME: CInPlaceButton::PreCreateWindow
//
// DESCRIPTION:   Called before the window handle is created
//
// PARAMETER(S):
//                cs:
//                   TYPE:          CREATESTRUCT structure
//                   MODE:          In
//                   MECHANISM:     By reference
//                   DESCRIPTION:   Allows to change window features
//
// RETURN:        Inherited value.
//
// NOTES:         None
//+*/
BOOL CInPlaceButton::PreCreateWindow( CREATESTRUCT & cs ) 
{
   cs.style |= ( WS_CHILD | BS_PUSHBUTTON );
   return CButton::PreCreateWindow( cs );
} // CInPlaceButton::PreCreateWindow


///*-
// FUNCTION NAME: CInPlaceButton::OnCreate
//
// DESCRIPTION:   Called whren the window handle is created
//
// PARAMETER(S):
//                lpCreateStruct:
//                   TYPE:          CREATESTRUCT structure
//                   MODE:          In
//                   MECHANISM:     By reference
//                   DESCRIPTION:   Allows to change window features
//
// RETURN:        -1 to avoid windiw creation. 0 to continue normally.
//
// NOTES:         None
//+*/
int CInPlaceButton::OnCreate( LPCREATESTRUCT lpCreateStruct ) 
{
   if ( CButton::OnCreate(lpCreateStruct) == -1 )
   {
      return -1;
   }

   m_hParent = lpCreateStruct->hwndParent;

   return 0;
} // CInPlaceButton::OnCreate



               ///////////////////////////////////////////////
               //              Message Handling             //
               ///////////////////////////////////////////////



// FUNCTION NAME: CInPlaceEdit::PreTranslateMessage
//
// DESCRIPTION:   Called before the keyboard message is dispatched through the 
//                MFC hierarchy
//
// PARAMETER(S):  
//                pMsg:
//                   TYPE:          MSG structure
//                   MODE:          In
//                   MECHANISM:     By variable
//                   DESCRIPTION:   Message to be processed
//
// RETURN:        TRUE to block message routing. FALSE otherwise.
//
// NOTES:         None.
//+*/
BOOL CInPlaceButton::PreTranslateMessage( MSG *pMsg ) 
{
   IPCENDEDITINFO   ipcInfo;

   switch ( pMsg->message )
   {
      case WM_KEYDOWN:
      
         if ( (int)pMsg->wParam == VK_ESCAPE )
         {
            ZeroMemory( &ipcInfo, sizeof( ipcInfo ) );
            ipcInfo.hwndSrc = m_hWnd;
            ipcInfo.uKind = IPEK_KEY;
            ipcInfo.nVirtKey = (int)pMsg->wParam;
            ipcInfo.pt = pMsg->pt;
            ::SendMessage( m_hParent, g_IPCMsg, 0, (LPARAM)&ipcInfo );
            return TRUE;
         }
         break;
   }
	
   return CButton::PreTranslateMessage(pMsg);
} // CInPlaceButton::PreTranslateMessage


// FUNCTION NAME: CInPlaceButton::OnKillFocus
//
// DESCRIPTION:   Called immedately before the window loses the keyboard focus
//
// PARAMETER(S):  
//                pNewWnd:
//                   TYPE:          CWnd class
//                   MODE:          In
//                   MECHANISM:     By variable
//                   DESCRIPTION:   The new window that will gain the input focus.
//
// RETURN:        None.
//
// NOTES:         None.
//+*/
void CInPlaceButton::OnKillFocus( CWnd *pNewWnd ) 
{
   // If the window is still visible, signal the parent
   if ( IsWindowVisible() && !m_bInAction )
   {
      IPCENDEDITINFO   ipcEventInfo;
      const MSG *pMsg = GetCurrentMessage();

      TRACE( "IPB: WM_KILLFOCUS\n" );
      ZeroMemory( &ipcEventInfo, sizeof( ipcEventInfo ) );
      ipcEventInfo.uKind      = IPEK_FOCUS;
      ipcEventInfo.hNewWnd    = pNewWnd->m_hWnd;
      ipcEventInfo.pt         = pMsg->pt;
      if ( ::SendMessage( m_hParent, g_IPCMsg, 0, (LPARAM)&ipcEventInfo ) )
      {
         Hide();
      }
   }
   CButton::OnKillFocus( pNewWnd );
} // CInPlaceButton::OnKillFocus


///*-
// FUNCTION NAME: CInPlaceButton::OnClick
//
// DESCRIPTION:   Called when a click occurs.
//
// PARAMETER(S):  None.
//
// RETURN:        None
//
// NOTES:         None
//+*/
void CInPlaceButton::OnClick() 
{
   IPCENDEDITINFO   ipcEventInfo;

   TRACE( "IPB: BN_CLICK\n" );
   ZeroMemory( &ipcEventInfo, sizeof( ipcEventInfo ) );
   ipcEventInfo.uKind   = IPEK_ACTION;
   ipcEventInfo.uID     = GetWindowLong( m_hWnd, GWL_ID );
   ipcEventInfo.pt.x    = LOWORD( GetMessagePos() );
   ipcEventInfo.pt.y    = HIWORD( GetMessagePos() );

   m_bInAction = TRUE;
   ::SendMessage( m_hParent, g_IPCMsg, 0, (LPARAM)&ipcEventInfo );
   m_bInAction = FALSE;
} // CInPlaceButton::OnClick


// FUNCTION NAME: CInPlaceButton::Hide
//
// DESCRIPTION:   Called to hide the control
//
// PARAMETER(S):  None.
//
// RETURN:        None.
//
// NOTES:         None.
//+*/
void CInPlaceButton::Hide()
{
   if ( IsWindowVisible() ) 
   {
      TRACE( "Hide() called\n" );
      ::SetWindowPos( m_hWnd, 0, 0, 0, 0, 0, 
                      SWP_HIDEWINDOW | SWP_NOZORDER | SWP_NOREDRAW | SWP_NOSIZE | SWP_NOMOVE );
      ::SetFocus( m_hParent );
   }
} // CInPlaceButton::Hide



// FUNCTION NAME: CInPlaceButton::Show
//
// DESCRIPTION:   Called to show the control
//
// PARAMETER(S):  
//                rcEdit:
//                   TYPE:          CRect class
//                   MODE:          In
//                   MECHANISM:     By value
//                   DESCRIPTION:   Button rectangle, in parent's client coordinates
//
// RETURN:        None.
//
// NOTES:         None.
//+*/
void CInPlaceButton::Show( CRect rcButton )
{
   if ( !IsWindowVisible() && !rcButton.IsRectEmpty() )
   {
      ::SetWindowPos( m_hWnd, 
                      HWND_TOP, 
                      rcButton.left, rcButton.top, rcButton.Width(), rcButton.Height(), 
                      SWP_SHOWWINDOW | SWP_NOREDRAW );
      Invalidate();
   }
} // CInPlaceButton::Show()