1 /*
2 * Copyright (c) 1996, 2019, 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_MENUITEM_H
27 #define AWT_MENUITEM_H
28
29 #include "awt_Object.h"
30 #include "awt_Component.h"
31
32 #include <java_awt_MenuItem.h>
33 #include <sun_awt_windows_WMenuItemPeer.h>
34 #include <java_awt_Menu.h>
35 #include <sun_awt_windows_WMenuPeer.h>
36 #include <java_awt_MenuComponent.h>
37 #include <java_awt_FontMetrics.h>
38
39 class AwtMenu;
40
41
42 /************************************************************************
43 * MenuItem class
44 */
45
46 class AwtMenuItem : public AwtObject {
47 public:
48
49 /* java.awt.MenuItem fields */
50 static jfieldID labelID;
51 static jfieldID enabledID;
52
53 /* java.awt.CheckboxMenuItem fields */
54 static jfieldID stateID;
55
56 /* sun.awt.windows.WMenuItemPeer fields */
57 static jfieldID isCheckboxID;
58 static jfieldID shortcutLabelID;
59
60 static jmethodID getDefaultFontMID;
61
62 AwtMenuItem();
63 virtual ~AwtMenuItem();
64
65 virtual void Dispose();
66
67 virtual LPCTSTR GetClassName();
68
69 static AwtMenuItem* Create(jobject self, jobject menu);
70
71 INLINE AwtMenu* GetMenuContainer() { return m_menuContainer; }
72 INLINE void SetMenuContainer(AwtMenu* menu) { m_menuContainer = menu; }
73 INLINE UINT GetID() { return m_Id; }
74 INLINE void SetID(UINT id) { m_Id = id; }
75 INLINE void SetNewID() {
76 DASSERT(!m_freeId);
77 m_Id = AwtToolkit::GetInstance().CreateCmdID(this);
78 m_freeId = TRUE;
79 }
80
81 // Convert Language ID to CodePage
82 static UINT LangToCodePage(LANGID idLang);
83 /* Execute the command associated with this item. */
84 virtual void DoCommand();
85
86 void LinkObjects(JNIEnv *env, jobject peer);
87
88 /* for multifont menuitem */
89 INLINE jstring GetJavaString(JNIEnv *env) {
90 if (env->EnsureLocalCapacity(2) < 0) {
91 return NULL;
92 }
93 jobject target = GetTarget(env);
94 jstring res = (jstring)env->GetObjectField(target,
95 AwtMenuItem::labelID);
96 env->DeleteLocalRef(target);
97 return res;
98 }
99 // Added by waleed for BIDI Support
100 // returns the right to left status
101 INLINE static BOOL GetRTLReadingOrder() {
102 return sm_rtlReadingOrder;
103 }
104 // returns the right to left status
105 INLINE static BOOL GetRTL() {
106 return sm_rtl;
107 }
108 INLINE static LANGID GetSubLanguage() {
109 return SUBLANGID(m_idLang);
110 }
111 // returns the current code page that should be used in
112 // all MultiByteToWideChar and WideCharToMultiByte calls.
113 // This code page should also be use in IsDBCSLeadByteEx.
114 INLINE static UINT GetCodePage() {
115 return m_CodePage;
116 }
117 INLINE static LANGID GetInputLanguage() {
118 return m_idLang;
119 }
120 // end waleed
121
122 virtual void DrawItem(DRAWITEMSTRUCT& drawInfo);
123 void DrawSelf(DRAWITEMSTRUCT& drawInfo);
124 static void AdjustCheckWidth(int& checkWidth);
125
126 virtual void MeasureItem(HDC hDC, MEASUREITEMSTRUCT& measureInfo);
127 void MeasureSelf(HDC hDC, MEASUREITEMSTRUCT& measureInfo);
128
129 jobject GetFont(JNIEnv *env);
130 jobject GetFontMetrics(JNIEnv *env, jobject font);
131 jobject GetDefaultFont(JNIEnv *env);
132
133 virtual BOOL IsTopMenu();
134 void DrawCheck(HDC hDC, RECT rect);
135
136 void SetLabel(LPCTSTR sb);
137 virtual void Enable(BOOL isEnabled);
138 virtual void UpdateContainerLayout();
139 virtual void RedrawMenuBar();
140 void SetState(BOOL isChecked);
141
142 /*
143 * Windows message handler functions
144 */
145 MsgRouting WmNotify(UINT notifyCode);
146
147 virtual BOOL IsDisabledAndPopup() {
148 return FALSE;
149 }
150 virtual BOOL IsSeparator();
151
152 // invoked on Toolkit thread
153 static void _SetState(void *param);
154 static void _SetEnable(void *param);
155 static void _SetLabel(void *param);
156 static void _UpdateLayout(void *param);
157
158 protected:
159 AwtMenu* m_menuContainer; /* The menu object containing this item */
160 UINT m_Id; /* The id of this item */
161
162 static BOOL CheckMenuCreation(JNIEnv *env, jobject self, HMENU hMenu);
163 virtual void RemoveCmdID();
164
165 private:
166 INLINE BOOL IsCheckbox() { return m_isCheckbox; }
167 INLINE void SetCheckbox() { m_isCheckbox = TRUE; }
168 BOOL m_isCheckbox;
169 BOOL m_freeId;
170
171 // Added for bi-di support By Waleed
172 static UINT m_CodePage;
173 // Current input language (=low word of keyboardlayout handle)
174 // m_idLang is shared by all instance of AwtComponent because
175 // keyboardlayout is shared.
176 static LANGID m_idLang;
177 static BOOL m_isWin95;
178
179 static BOOL sm_rtl;
180 static BOOL sm_rtlReadingOrder;
181
182 public:
183 static HBITMAP bmpCheck;
184 static jobject systemFont;
185 };
186
187 #endif /* AWT_MENUITEM_H */