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
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 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
173 private:
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 */