text: /*
   * Copyright (c) 1996, 2013, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
   * particular file as subject to the "Classpath" exception as provided
   * by Oracle in the LICENSE file that accompanied this code.
   *
   * This code is distributed in the hope that it will be useful, but WITHOUT
   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   * version 2 for more details (a copy is included in the LICENSE file that
   * accompanied this code).
   *
   * You should have received a copy of the GNU General Public License version
   * 2 along with this work; if not, write to the Free Software Foundation,
   * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  
  #ifndef AWT_TEXTCOMPONENT_H
  #define AWT_TEXTCOMPONENT_H
  
  #include "awt_Component.h"
  
  #include "sun_awt_windows_WTextComponentPeer.h"
  
  #include <ole2.h>
  #include <richedit.h>
  #include <richole.h>
  
  
  /************************************************************************
   * AwtTextComponent class
   */
  
  class AwtTextComponent : public AwtComponent {
  public:
      static jmethodID canAccessClipboardMID;
  
      AwtTextComponent();
  
      static AwtTextComponent* Create(jobject self, jobject parent, BOOL isMultiline);
  
      virtual LPCTSTR GetClassName();
      LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam);
  
      int RemoveCR(WCHAR *pStr);
  
      virtual LONG getJavaSelPos(LONG orgPos);
      virtual LONG getWin32SelPos(LONG orgPos);
  
      void CheckLineSeparator(WCHAR *pStr);
  
      virtual void SetSelRange(LONG start, LONG end);
  
      INLINE void SetText(LPCTSTR text) {
          ::SetWindowText(GetHWnd(), text);
      }
  
      INLINE virtual int GetText(LPTSTR buffer, int size) {
          return ::GetWindowText(GetHWnd(), buffer, size);
      }
  
      // called on Toolkit thread from JNI
      static jstring _GetText(void *param);
  
      void SetFont(AwtFont* font);
  
      virtual void Enable(BOOL bEnable);
      virtual void SetColor(COLORREF c);
      virtual void SetBackgroundColor(COLORREF c);
  
      /*
       * Windows message handler functions
       */
      MsgRouting WmNotify(UINT notifyCode);
      MsgRouting HandleEvent(MSG *msg, BOOL synthetic);
      MsgRouting WmPaste();
  
      virtual BOOL IsFocusingMouseMessage(MSG *pMsg);
  
  /*  To be fully implemented in a future release
  
      MsgRouting WmKeyDown(UINT wkey, UINT repCnt,
                           UINT flags, BOOL system);  // accessibility support
  */
  
  
      //im --- for over the spot composition
      void SetCompositionWindow(RECT& rect);
  
      INLINE HWND GetDBCSEditHandle() { return GetHWnd(); }
  
      BOOL m_isLFonly;
      BOOL m_EOLchecked;
  
      // some methods invoked on Toolkit thread
      static void _SetText(void *param);
      static jint _GetSelectionStart(void *param);
      static jint _GetSelectionEnd(void *param);
      static void _Select(void *param);
      static void _EnableEditing(void *param);
  
    protected:
      INLINE LONG GetStartSelectionPos() { return m_lStartPos; }
      INLINE LONG GetEndSelectionPos() { return m_lEndPos; }
      INLINE LONG GetLastSelectionPos() { return m_lLastPos; }
      INLINE VOID SetStartSelectionPos(LONG lPos) { m_lStartPos = lPos; }
      INLINE VOID SetEndSelectionPos(LONG lPos) { m_lEndPos = lPos; }
      INLINE VOID SetLastSelectionPos(LONG lPos) { m_lLastPos = lPos; }
  
      // Used to prevent untrusted code from synthesizing a WM_PASTE message
      // by posting a <CTRL>-V KeyEvent
      BOOL    m_synthetic;
      LONG EditGetCharFromPos(POINT& pt);
  
      /*****************************************************************
       * Inner class OleCallback declaration.
       */
      class OleCallback : public IRichEditOleCallback {
      public:
          OleCallback();
  
          STDMETHODIMP QueryInterface(REFIID riid, LPVOID * ppvObj);
          STDMETHODIMP_(ULONG) AddRef();
          STDMETHODIMP_(ULONG) Release();
          STDMETHODIMP GetNewStorage(LPSTORAGE FAR * ppstg);
          STDMETHODIMP GetInPlaceContext(LPOLEINPLACEFRAME FAR * ppipframe,
                                         LPOLEINPLACEUIWINDOW FAR* ppipuiDoc,
                                         LPOLEINPLACEFRAMEINFO pipfinfo);
          STDMETHODIMP ShowContainerUI(BOOL fShow);
          STDMETHODIMP QueryInsertObject(LPCLSID pclsid, LPSTORAGE pstg, LONG cp);
          STDMETHODIMP DeleteObject(LPOLEOBJECT poleobj);
          STDMETHODIMP QueryAcceptData(LPDATAOBJECT pdataobj, CLIPFORMAT *pcfFormat,
                                       DWORD reco, BOOL fReally, HGLOBAL hMetaPict);
          STDMETHODIMP ContextSensitiveHelp(BOOL fEnterMode);
          STDMETHODIMP GetClipboardData(CHARRANGE *pchrg, DWORD reco,
                                        LPDATAOBJECT *ppdataobj);
          STDMETHODIMP GetDragDropEffect(BOOL fDrag, DWORD grfKeyState,
                                         LPDWORD pdwEffect);
          STDMETHODIMP GetContextMenu(WORD seltype, LPOLEOBJECT poleobj,
                                      CHARRANGE FAR * pchrg, HMENU FAR * phmenu);
      private:
          ULONG             m_refs; // Reference count
      };//OleCallback class
  
      INLINE static OleCallback& GetOleCallback() { return sm_oleCallback; }
  
  
  private:
  
      // Fields to track the selection state while the left mouse button is
      // pressed. They are used to simulate autoscrolling.
      LONG    m_lStartPos;
      LONG    m_lEndPos;
      LONG    m_lLastPos;
  
      HFONT m_hFont;
      //im --- end
  
      static OleCallback sm_oleCallback;
  
      //
      // Accessibility support
      //
  //public:
  //    jlong javaEventsMask;
  };
  
  #endif /* AWT_TEXTCOMPONENT_H */
  