1/*
2 * Copyright (c) 1996, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26#ifndef AWT_TEXTCOMPONENT_H
27#define AWT_TEXTCOMPONENT_H
28
29#include "awt_Component.h"
30
31#include "sun_awt_windows_WTextComponentPeer.h"
32
33#include <ole2.h>
34#include <richedit.h>
35#include <richole.h>
36
37
38/************************************************************************
39 * AwtTextComponent class
40 */
41
42class AwtTextComponent : public AwtComponent {
43public:
44    static jmethodID canAccessClipboardMID;
45
46    AwtTextComponent();
47
48    static AwtTextComponent* Create(jobject self, jobject parent, BOOL isMultiline);
49
50    virtual void Dispose();
51
52    virtual LPCTSTR GetClassName();
53    LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam);
54
55    int RemoveCR(WCHAR *pStr);
56
57    virtual LONG getJavaSelPos(LONG orgPos);
58    virtual LONG getWin32SelPos(LONG orgPos);
59
60    void CheckLineSeparator(WCHAR *pStr);
61
62    virtual void SetSelRange(LONG start, LONG end);
63
64    INLINE void SetText(LPCTSTR text) {
65        ::SetWindowText(GetHWnd(), text);
66    }
67
68    INLINE virtual int GetText(LPTSTR buffer, int size) {
69        return ::GetWindowText(GetHWnd(), buffer, size);
70    }
71
72    // called on Toolkit thread from JNI
73    static jstring _GetText(void *param);
74
75    void SetFont(AwtFont* font);
76
77    virtual void Enable(BOOL bEnable);
78    virtual void SetColor(COLORREF c);
79    virtual void SetBackgroundColor(COLORREF c);
80
81    /*
82     * Windows message handler functions
83     */
84    MsgRouting WmNotify(UINT notifyCode);
85    MsgRouting HandleEvent(MSG *msg, BOOL synthetic);
86    MsgRouting WmPaste();
87
88    INLINE void SetIgnoreEnChange(BOOL b) { m_bIgnoreEnChange = b; }
89
90    virtual BOOL IsFocusingMouseMessage(MSG *pMsg);
91
92/*  To be fully implemented in a future release
93
94    MsgRouting WmKeyDown(UINT wkey, UINT repCnt,
95                         UINT flags, BOOL system);  // accessibility support
96*/
97
98
99    //im --- for over the spot composition
100    void SetCompositionWindow(RECT& rect);
101
102    INLINE HWND GetDBCSEditHandle() { return GetHWnd(); }
103
104    BOOL m_isLFonly;
105    BOOL m_EOLchecked;
106
107    // some methods invoked on Toolkit thread
108    static void _SetText(void *param);
109    static jint _GetSelectionStart(void *param);
110    static jint _GetSelectionEnd(void *param);
111    static void _Select(void *param);
112    static void _EnableEditing(void *param);
113
114  protected:
115    INLINE LONG GetStartSelectionPos() { return m_lStartPos; }
116    INLINE LONG GetEndSelectionPos() { return m_lEndPos; }
117    INLINE LONG GetLastSelectionPos() { return m_lLastPos; }
118    INLINE VOID SetStartSelectionPos(LONG lPos) { m_lStartPos = lPos; }
119    INLINE VOID SetEndSelectionPos(LONG lPos) { m_lEndPos = lPos; }
120    INLINE VOID SetLastSelectionPos(LONG lPos) { m_lLastPos = lPos; }
121
122    void EditGetSel(CHARRANGE &cr);
123
124    // Used to prevent untrusted code from synthesizing a WM_PASTE message
125    // by posting a <CTRL>-V KeyEvent
126    BOOL    m_synthetic;
127    LONG EditGetCharFromPos(POINT& pt);
128
129    // RichEdit 1.0 control generates EN_CHANGE notifications not only
130    // on text changes, but also on any character formatting change.
131    // This flag is true when the latter case is detected.
132    BOOL    m_bIgnoreEnChange;
133
134    // RichEdit 1.0 control undoes a character formatting change
135    // if it is the latest. We don't create our own undo buffer,
136    // but just prohibit undo in case if the latest operation
137    // is a formatting change.
138    BOOL    m_bCanUndo;
139
140    /*****************************************************************
141     * Inner class OleCallback declaration.
142     */
143    class OleCallback : public IRichEditOleCallback {
144    public:
145        OleCallback();
146
147        STDMETHODIMP QueryInterface(REFIID riid, LPVOID * ppvObj);
148        STDMETHODIMP_(ULONG) AddRef();
149        STDMETHODIMP_(ULONG) Release();
150        STDMETHODIMP GetNewStorage(LPSTORAGE FAR * ppstg);
151        STDMETHODIMP GetInPlaceContext(LPOLEINPLACEFRAME FAR * ppipframe,
152                                       LPOLEINPLACEUIWINDOW FAR* ppipuiDoc,
153                                       LPOLEINPLACEFRAMEINFO pipfinfo);
154        STDMETHODIMP ShowContainerUI(BOOL fShow);
155        STDMETHODIMP QueryInsertObject(LPCLSID pclsid, LPSTORAGE pstg, LONG cp);
156        STDMETHODIMP DeleteObject(LPOLEOBJECT poleobj);
157        STDMETHODIMP QueryAcceptData(LPDATAOBJECT pdataobj, CLIPFORMAT *pcfFormat,
158                                     DWORD reco, BOOL fReally, HGLOBAL hMetaPict);
159        STDMETHODIMP ContextSensitiveHelp(BOOL fEnterMode);
160        STDMETHODIMP GetClipboardData(CHARRANGE *pchrg, DWORD reco,
161                                      LPDATAOBJECT *ppdataobj);
162        STDMETHODIMP GetDragDropEffect(BOOL fDrag, DWORD grfKeyState,
163                                       LPDWORD pdwEffect);
164        STDMETHODIMP GetContextMenu(WORD seltype, LPOLEOBJECT poleobj,
165                                    CHARRANGE FAR * pchrg, HMENU FAR * phmenu);
166    private:
167        ULONG             m_refs; // Reference count
168    };//OleCallback class
169
170    INLINE static OleCallback& GetOleCallback() { return sm_oleCallback; }
171
172
173private:
174
175    // Fields to track the selection state while the left mouse button is
176    // pressed. They are used to simulate autoscrolling.
177    LONG    m_lStartPos;
178    LONG    m_lEndPos;
179    LONG    m_lLastPos;
180
181    HFONT m_hFont;
182    //im --- end
183
184    static OleCallback sm_oleCallback;
185
186    static WNDPROC sm_pDefWindowProc;
187    HWND    m_hEditCtrl;
188
189    static LRESULT CALLBACK EditProc(HWND hWnd, UINT message,
190                                     WPARAM wParam, LPARAM lParam);
191    MsgRouting WmContextMenu(HWND hCtrl, UINT xPos, UINT yPos);
192
193    //
194    // Accessibility support
195    //
196//public:
197//    jlong javaEventsMask;
198};
199
200#endif /* AWT_TEXTCOMPONENT_H */
201