]>
Commit | Line | Data |
---|---|---|
1 | /////////////////////////////////////////////////////////////////////////////// | |
2 | // Name: menuitem.cpp | |
3 | // Purpose: wxMenuItem implementation | |
4 | // Author: Vadim Zeitlin | |
5 | // Modified by: | |
6 | // Created: 11.11.97 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr> | |
9 | // Licence: wxWindows license | |
10 | /////////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // =========================================================================== | |
13 | // declarations | |
14 | // =========================================================================== | |
15 | ||
16 | // --------------------------------------------------------------------------- | |
17 | // headers | |
18 | // --------------------------------------------------------------------------- | |
19 | ||
20 | #ifdef __GNUG__ | |
21 | #pragma implementation "menuitem.h" | |
22 | #endif | |
23 | ||
24 | // For compilers that support precompilation, includes "wx.h". | |
25 | #include "wx/wxprec.h" | |
26 | ||
27 | #ifdef __BORLANDC__ | |
28 | #pragma hdrstop | |
29 | #endif | |
30 | ||
31 | #ifndef WX_PRECOMP | |
32 | #include "wx/font.h" | |
33 | #include "wx/bitmap.h" | |
34 | #include "wx/settings.h" | |
35 | #include "wx/font.h" | |
36 | #include "wx/window.h" | |
37 | #include "wx/accel.h" | |
38 | #include "wx/menu.h" | |
39 | #include "wx/string.h" | |
40 | #endif | |
41 | ||
42 | #include "wx/ownerdrw.h" | |
43 | #include "wx/menuitem.h" | |
44 | #include "wx/log.h" | |
45 | ||
46 | #include "wx/msw/private.h" | |
47 | ||
48 | // --------------------------------------------------------------------------- | |
49 | // convenience macro | |
50 | // --------------------------------------------------------------------------- | |
51 | ||
52 | #define GetHMenuOf(menu) ((HMENU)menu->GetHMenu()) | |
53 | ||
54 | // ============================================================================ | |
55 | // implementation | |
56 | // ============================================================================ | |
57 | ||
58 | // ---------------------------------------------------------------------------- | |
59 | // dynamic classes implementation | |
60 | // ---------------------------------------------------------------------------- | |
61 | ||
62 | #if !defined(USE_SHARED_LIBRARY) || !USE_SHARED_LIBRARY | |
63 | #if wxUSE_OWNER_DRAWN | |
64 | IMPLEMENT_DYNAMIC_CLASS2(wxMenuItem, wxObject, wxOwnerDrawn) | |
65 | #else //!USE_OWNER_DRAWN | |
66 | IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject) | |
67 | #endif //USE_OWNER_DRAWN | |
68 | ||
69 | #endif //USE_SHARED_LIBRARY | |
70 | ||
71 | // ---------------------------------------------------------------------------- | |
72 | // wxMenuItem | |
73 | // ---------------------------------------------------------------------------- | |
74 | ||
75 | // ctor & dtor | |
76 | // ----------- | |
77 | ||
78 | wxMenuItem::wxMenuItem(wxMenu *pParentMenu, int id, | |
79 | const wxString& strName, const wxString& strHelp, | |
80 | bool bCheckable, | |
81 | wxMenu *pSubMenu) : | |
82 | #if wxUSE_OWNER_DRAWN | |
83 | wxOwnerDrawn(strName, bCheckable), | |
84 | #else //no owner drawn support | |
85 | m_bCheckable(bCheckable), | |
86 | m_strName(strName), | |
87 | #endif //owner drawn | |
88 | m_strHelp(strHelp) | |
89 | { | |
90 | wxASSERT_MSG( pParentMenu != NULL, _T("a menu item should have a parent") ); | |
91 | ||
92 | #if wxUSE_OWNER_DRAWN | |
93 | // set default menu colors | |
94 | #define SYS_COLOR(c) (wxSystemSettings::GetSystemColour(wxSYS_COLOUR_##c)) | |
95 | ||
96 | SetTextColour(SYS_COLOR(MENUTEXT)); | |
97 | SetBackgroundColour(SYS_COLOR(MENU)); | |
98 | ||
99 | // we don't want normal items be owner-drawn | |
100 | ResetOwnerDrawn(); | |
101 | ||
102 | #undef SYS_COLOR | |
103 | #endif | |
104 | ||
105 | m_pParentMenu = pParentMenu; | |
106 | m_pSubMenu = pSubMenu; | |
107 | m_bEnabled = TRUE; | |
108 | m_bChecked = FALSE; | |
109 | m_idItem = id; | |
110 | } | |
111 | ||
112 | wxMenuItem::~wxMenuItem() | |
113 | { | |
114 | } | |
115 | ||
116 | // misc | |
117 | // ---- | |
118 | ||
119 | // return the id for calling Win32 API functions | |
120 | int wxMenuItem::GetRealId() const | |
121 | { | |
122 | return m_pSubMenu ? (int)m_pSubMenu->GetHMenu() : GetId(); | |
123 | } | |
124 | ||
125 | // delete the sub menu | |
126 | // ------------------- | |
127 | void wxMenuItem::DeleteSubMenu() | |
128 | { | |
129 | delete m_pSubMenu; | |
130 | m_pSubMenu = NULL; | |
131 | } | |
132 | ||
133 | // change item state | |
134 | // ----------------- | |
135 | ||
136 | void wxMenuItem::Enable(bool bDoEnable) | |
137 | { | |
138 | if ( m_bEnabled != bDoEnable ) { | |
139 | long rc = EnableMenuItem(GetHMenuOf(m_pParentMenu), | |
140 | GetRealId(), | |
141 | MF_BYCOMMAND | | |
142 | (bDoEnable ? MF_ENABLED : MF_GRAYED)); | |
143 | ||
144 | if ( rc == -1 ) { | |
145 | wxLogLastError("EnableMenuItem"); | |
146 | } | |
147 | ||
148 | m_bEnabled = bDoEnable; | |
149 | } | |
150 | } | |
151 | ||
152 | void wxMenuItem::Check(bool bDoCheck) | |
153 | { | |
154 | wxCHECK_RET( IsCheckable(), _T("only checkable items may be checked") ); | |
155 | ||
156 | if ( m_bChecked != bDoCheck ) { | |
157 | long rc = CheckMenuItem(GetHMenuOf(m_pParentMenu), | |
158 | GetId(), | |
159 | MF_BYCOMMAND | | |
160 | (bDoCheck ? MF_CHECKED : MF_UNCHECKED)); | |
161 | ||
162 | if ( rc == -1 ) { | |
163 | wxLogLastError("CheckMenuItem"); | |
164 | } | |
165 | ||
166 | m_bChecked = bDoCheck; | |
167 | } | |
168 | } | |
169 | ||
170 | void wxMenuItem::SetName(const wxString& strName) | |
171 | { | |
172 | // don't do anything if label didn't change | |
173 | if ( m_strName == strName ) | |
174 | return; | |
175 | ||
176 | m_strName = strName; | |
177 | ||
178 | HMENU hMenu = GetHMenuOf(m_pParentMenu); | |
179 | ||
180 | UINT id = GetRealId(); | |
181 | UINT flagsOld = ::GetMenuState(hMenu, id, MF_BYCOMMAND); | |
182 | if ( flagsOld == 0xFFFFFFFF ) | |
183 | { | |
184 | wxLogLastError("GetMenuState"); | |
185 | } | |
186 | else | |
187 | { | |
188 | if ( IsSubMenu() ) | |
189 | { | |
190 | // high byte contains the number of items in a submenu for submenus | |
191 | flagsOld &= 0xFF; | |
192 | flagsOld |= MF_POPUP; | |
193 | } | |
194 | ||
195 | LPCTSTR data; | |
196 | #if wxUSE_OWNER_DRAWN | |
197 | if ( IsOwnerDrawn() ) | |
198 | { | |
199 | flagsOld |= MF_OWNERDRAW; | |
200 | data = (LPCTSTR)this; | |
201 | } | |
202 | else | |
203 | #endif //owner drawn | |
204 | { | |
205 | flagsOld |= MF_STRING; | |
206 | data = strName; | |
207 | } | |
208 | ||
209 | if ( ::ModifyMenu(hMenu, id, | |
210 | MF_BYCOMMAND | flagsOld, | |
211 | id, data) == 0xFFFFFFFF ) | |
212 | { | |
213 | wxLogLastError(_T("ModifyMenu")); | |
214 | } | |
215 | } | |
216 | } | |
217 |