1 /*
2 * Copyright (c) 1996, 2010, 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
42 class AwtTextComponent : public AwtComponent {
43 public:
44 static jmethodID canAccessClipboardMID;
45
46 AwtTextComponent();
47
48 static AwtTextComponent* Create(jobject self, jobject parent, BOOL isMultiline);
49
50 virtual LPCTSTR GetClassName();
51 LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam);
52
53 int RemoveCR(WCHAR *pStr);
54
55 virtual LONG getJavaSelPos(LONG orgPos);
56 virtual LONG getWin32SelPos(LONG orgPos);
57
58 void CheckLineSeparator(WCHAR *pStr);
59
60 virtual void SetSelRange(LONG start, LONG end);
61
62 INLINE void SetText(LPCTSTR text) {
63 ::SetWindowText(GetHWnd(), text);
64 }
65
66 INLINE virtual int GetText(LPTSTR buffer, int size) {
67 return ::GetWindowText(GetHWnd(), buffer, size);
68 }
69
70 // called on Toolkit thread from JNI
71 static jstring _GetText(void *param);
72
73 void SetFont(AwtFont* font);
74
75 virtual void Enable(BOOL bEnable);
76 virtual void SetColor(COLORREF c);
77 virtual void SetBackgroundColor(COLORREF c);
78
79 /*
80 * Windows message handler functions
81 */
82 MsgRouting WmNotify(UINT notifyCode);
83 MsgRouting HandleEvent(MSG *msg, BOOL synthetic);
84 MsgRouting WmPaste();
85
86 virtual BOOL IsFocusingMouseMessage(MSG *pMsg);
87
88 /* To be fully implemented in a future release
89
90 MsgRouting WmKeyDown(UINT wkey, UINT repCnt,
91 UINT flags, BOOL system); // accessibility support
92 */
93
94
95 //im --- for over the spot composition
96 void SetCompositionWindow(RECT& rect);
97
98 INLINE HWND GetDBCSEditHandle() { return GetHWnd(); }
99
100 BOOL m_isLFonly;
101 BOOL m_EOLchecked;
102
103 // some methods invoked on Toolkit thread
104 static void _SetText(void *param);
105 static jint _GetSelectionStart(void *param);
106 static jint _GetSelectionEnd(void *param);
107 static void _Select(void *param);
108 static void _EnableEditing(void *param);
109
110 protected:
111 INLINE LONG GetStartSelectionPos() { return m_lStartPos; }
112 INLINE LONG GetEndSelectionPos() { return m_lEndPos; }
113 INLINE LONG GetLastSelectionPos() { return m_lLastPos; }
114 INLINE VOID SetStartSelectionPos(LONG lPos) { m_lStartPos = lPos; }
115 INLINE VOID SetEndSelectionPos(LONG lPos) { m_lEndPos = lPos; }
116 INLINE VOID SetLastSelectionPos(LONG lPos) { m_lLastPos = lPos; }
117
118 // Used to prevent untrusted code from synthesizing a WM_PASTE message
119 // by posting a <CTRL>-V KeyEvent
120 BOOL m_synthetic;
121 LONG EditGetCharFromPos(POINT& pt);
122
123 /*****************************************************************
124 * Inner class OleCallback declaration.
125 */
126 class OleCallback : public IRichEditOleCallback {
127 public:
128 OleCallback();
129
130 STDMETHODIMP QueryInterface(REFIID riid, LPVOID * ppvObj);
131 STDMETHODIMP_(ULONG) AddRef();
132 STDMETHODIMP_(ULONG) Release();
133 STDMETHODIMP GetNewStorage(LPSTORAGE FAR * ppstg);
134 STDMETHODIMP GetInPlaceContext(LPOLEINPLACEFRAME FAR * ppipframe,
135 LPOLEINPLACEUIWINDOW FAR* ppipuiDoc,
136 LPOLEINPLACEFRAMEINFO pipfinfo);
137 STDMETHODIMP ShowContainerUI(BOOL fShow);
138 STDMETHODIMP QueryInsertObject(LPCLSID pclsid, LPSTORAGE pstg, LONG cp);
139 STDMETHODIMP DeleteObject(LPOLEOBJECT poleobj);
140 STDMETHODIMP QueryAcceptData(LPDATAOBJECT pdataobj, CLIPFORMAT *pcfFormat,
141 DWORD reco, BOOL fReally, HGLOBAL hMetaPict);
142 STDMETHODIMP ContextSensitiveHelp(BOOL fEnterMode);
143 STDMETHODIMP GetClipboardData(CHARRANGE *pchrg, DWORD reco,
144 LPDATAOBJECT *ppdataobj);
145 STDMETHODIMP GetDragDropEffect(BOOL fDrag, DWORD grfKeyState,
146 LPDWORD pdwEffect);
147 STDMETHODIMP GetContextMenu(WORD seltype, LPOLEOBJECT poleobj,
148 CHARRANGE FAR * pchrg, HMENU FAR * phmenu);
149 private:
150 ULONG m_refs; // Reference count
151 };//OleCallback class
152
153 INLINE static OleCallback& GetOleCallback() { return sm_oleCallback; }
154
155
156 private:
157
158 // Fields to track the selection state while the left mouse button is
159 // pressed. They are used to simulate autoscrolling.
160 LONG m_lStartPos;
161 LONG m_lEndPos;
162 LONG m_lLastPos;
163
164 HFONT m_hFont;
165 //im --- end
166
167 static OleCallback sm_oleCallback;
168
169 //
170 // Accessibility support
171 //
172 //public:
173 // jlong javaEventsMask;
174 };
175
176 #endif /* AWT_TEXTCOMPONENT_H */