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1 | /////////////////////////////////////////////////////////////////////////////// | |
2 | // Name: menuitem.cpp | |
3 | // Purpose: wxMenuItem implementation | |
4 | // Author: David Webster | |
5 | // Modified by: | |
6 | // Created: 10/10/98 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) David Webster | |
9 | // Licence: wxWindows licence | |
10 | /////////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // ============================================================================ | |
13 | // headers & declarations | |
14 | // ============================================================================ | |
15 | ||
16 | #ifdef __GNUG__ | |
17 | #pragma implementation "menuitem.h" | |
18 | #endif | |
19 | ||
20 | // For compilers that support precompilation, includes "wx.h". | |
21 | #include "wx/wxprec.h" | |
22 | ||
23 | #ifndef WX_PRECOMP | |
24 | #include "wx/font.h" | |
25 | #include "wx/bitmap.h" | |
26 | #include "wx/settings.h" | |
27 | #include "wx/font.h" | |
28 | #include "wx/window.h" | |
29 | #include "wx/accel.h" | |
30 | #include "wx/menu.h" | |
31 | #include "wx/string.h" | |
32 | #endif | |
33 | ||
34 | #include "wx/menuitem.h" | |
35 | #include "wx/log.h" | |
36 | ||
37 | #if wxUSE_ACCEL | |
38 | #include "wx/accel.h" | |
39 | #endif // wxUSE_ACCEL | |
40 | ||
41 | #include "wx/os2/private.h" | |
42 | ||
43 | // --------------------------------------------------------------------------- | |
44 | // macro | |
45 | // --------------------------------------------------------------------------- | |
46 | ||
47 | // hide the ugly cast | |
48 | #define GetHMenuOf(menu) ((HMENU)menu->GetHMenu()) | |
49 | ||
50 | // conditional compilation | |
51 | #if wxUSE_OWNER_DRAWN | |
52 | #define OWNER_DRAWN_ONLY( code ) if ( IsOwnerDrawn() ) code | |
53 | #else // !wxUSE_OWNER_DRAWN | |
54 | #define OWNER_DRAWN_ONLY( code ) | |
55 | #endif // wxUSE_OWNER_DRAWN/!wxUSE_OWNER_DRAWN | |
56 | ||
57 | // ============================================================================ | |
58 | // implementation | |
59 | // ============================================================================ | |
60 | ||
61 | // ---------------------------------------------------------------------------- | |
62 | // dynamic classes implementation | |
63 | // ---------------------------------------------------------------------------- | |
64 | ||
65 | IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject) | |
66 | ||
67 | // ---------------------------------------------------------------------------- | |
68 | // wxMenuItem | |
69 | // ---------------------------------------------------------------------------- | |
70 | ||
71 | // ctor & dtor | |
72 | // ----------- | |
73 | ||
74 | wxMenuItem::wxMenuItem( | |
75 | wxMenu* pParentMenu | |
76 | , int nId | |
77 | , const wxString& rsText | |
78 | , const wxString& rsHelp | |
79 | , wxItemKind eKind | |
80 | , wxMenu* pSubMenu | |
81 | ) | |
82 | : wxMenuItemBase( pParentMenu | |
83 | ,nId | |
84 | ,wxPMTextToLabel(rsText) | |
85 | ,rsHelp | |
86 | ,eKind | |
87 | ,pSubMenu | |
88 | ) | |
89 | #if wxUSE_OWNER_DRAWN | |
90 | , wxOwnerDrawn( wxPMTextToLabel(rsText) | |
91 | ,eKind == wxITEM_CHECK | |
92 | ) | |
93 | #endif // owner drawn | |
94 | { | |
95 | wxASSERT_MSG(pParentMenu != NULL, wxT("a menu item should have a parent")); | |
96 | memset(&m_vMenuData, '\0', sizeof(m_vMenuData)); | |
97 | m_vMenuData.id = (USHORT)nId; | |
98 | ||
99 | Init(); | |
100 | } // end of wxMenuItem::wxMenuItem | |
101 | ||
102 | wxMenuItem::wxMenuItem( | |
103 | wxMenu* pParentMenu | |
104 | , int nId | |
105 | , const wxString& rsText | |
106 | , const wxString& rsHelp | |
107 | , bool bIsCheckable | |
108 | , wxMenu* pSubMenu | |
109 | ) | |
110 | : wxMenuItemBase( pParentMenu | |
111 | ,nId | |
112 | ,wxPMTextToLabel(rsText) | |
113 | ,rsHelp | |
114 | ,bIsCheckable ? wxITEM_CHECK : wxITEM_NORMAL | |
115 | ,pSubMenu | |
116 | ) | |
117 | #if wxUSE_OWNER_DRAWN | |
118 | , wxOwnerDrawn( wxPMTextToLabel(rsText) | |
119 | ,bIsCheckable | |
120 | ) | |
121 | #endif // owner drawn | |
122 | { | |
123 | wxASSERT_MSG(pParentMenu != NULL, wxT("a menu item should have a parent")); | |
124 | memset(&m_vMenuData, '\0', sizeof(m_vMenuData)); | |
125 | m_vMenuData.id = (USHORT)nId; | |
126 | ||
127 | Init(); | |
128 | } // end of wxMenuItem::wxMenuItem | |
129 | ||
130 | void wxMenuItem::Init() | |
131 | { | |
132 | m_vRadioGroup.m_nStart = -1; | |
133 | m_bIsRadioGroupStart = FALSE; | |
134 | ||
135 | #if wxUSE_OWNER_DRAWN | |
136 | // | |
137 | // Set default menu colors | |
138 | // | |
139 | #define SYS_COLOR(c) (wxSystemSettings::GetColour(wxSYS_COLOUR_##c)) | |
140 | ||
141 | SetTextColour(SYS_COLOR(MENUTEXT)); | |
142 | SetBackgroundColour(SYS_COLOR(MENU)); | |
143 | ||
144 | // | |
145 | // We don't want normal items be owner-drawn | |
146 | // | |
147 | ResetOwnerDrawn(); | |
148 | #undef SYS_COLOR | |
149 | ||
150 | // | |
151 | // Tell the owner drawing code to to show the accel string as well | |
152 | // | |
153 | SetAccelString(m_text.AfterFirst(_T('\t'))); | |
154 | #endif // wxUSE_OWNER_DRAWN | |
155 | } // end of wxMenuItem::Init | |
156 | ||
157 | wxMenuItem::~wxMenuItem() | |
158 | { | |
159 | } // end of wxMenuItem::~wxMenuItem | |
160 | ||
161 | // | |
162 | // Misc | |
163 | // ---- | |
164 | ||
165 | // | |
166 | // Return the id for calling Win32 API functions | |
167 | // | |
168 | int wxMenuItem::GetRealId() const | |
169 | { | |
170 | return m_subMenu ? (int)m_subMenu->GetHMenu() : GetId(); | |
171 | } // end of wxMenuItem::GetRealId | |
172 | ||
173 | // | |
174 | // Get item state | |
175 | // -------------- | |
176 | bool wxMenuItem::IsChecked() const | |
177 | { | |
178 | USHORT uFlag = SHORT1FROMMR(::WinSendMsg( GetHMenuOf(m_parentMenu) | |
179 | ,MM_QUERYITEMATTR | |
180 | ,MPFROM2SHORT(GetId(), TRUE) | |
181 | ,MPFROMSHORT(MIA_CHECKED) | |
182 | )); | |
183 | ||
184 | return (uFlag & MIA_CHECKED); | |
185 | } // end of wxMenuItem::IsChecked | |
186 | ||
187 | wxString wxMenuItemBase::GetLabelFromText( | |
188 | const wxString& rsText | |
189 | ) | |
190 | { | |
191 | wxString sLabel; | |
192 | ||
193 | for (const char* zPc = rsText.c_str(); *zPc; zPc++) | |
194 | { | |
195 | if (*zPc == wxT('~') || *zPc == wxT('&')) | |
196 | { | |
197 | // | |
198 | // '~' is the escape character for OS/2PM and '&' is the one for | |
199 | // wxWindows - skip both of them | |
200 | // | |
201 | continue; | |
202 | } | |
203 | sLabel += *zPc; | |
204 | } | |
205 | return sLabel; | |
206 | } // end of wxMenuItemBase::GetLabelFromText | |
207 | ||
208 | // | |
209 | // Radio group stuff | |
210 | // ----------------- | |
211 | // | |
212 | void wxMenuItem::SetAsRadioGroupStart() | |
213 | { | |
214 | m_bIsRadioGroupStart = TRUE; | |
215 | } // end of wxMenuItem::SetAsRadioGroupStart | |
216 | ||
217 | void wxMenuItem::SetRadioGroupStart( | |
218 | int nStart | |
219 | ) | |
220 | { | |
221 | wxASSERT_MSG( !m_bIsRadioGroupStart | |
222 | ,_T("should only be called for the next radio items") | |
223 | ); | |
224 | ||
225 | m_vRadioGroup.m_nStart = nStart; | |
226 | } // wxMenuItem::SetRadioGroupStart | |
227 | ||
228 | void wxMenuItem::SetRadioGroupEnd( | |
229 | int nEnd | |
230 | ) | |
231 | { | |
232 | wxASSERT_MSG( m_bIsRadioGroupStart | |
233 | ,_T("should only be called for the first radio item") | |
234 | ); | |
235 | m_vRadioGroup.m_nEnd = nEnd; | |
236 | } // end of wxMenuItem::SetRadioGroupEnd | |
237 | ||
238 | // change item state | |
239 | // ----------------- | |
240 | ||
241 | void wxMenuItem::Enable( | |
242 | bool bEnable | |
243 | ) | |
244 | { | |
245 | bool bOk; | |
246 | ||
247 | if (m_isEnabled == bEnable) | |
248 | return; | |
249 | if (bEnable) | |
250 | bOk = (bool)::WinSendMsg( GetHMenuOf(m_parentMenu) | |
251 | ,MM_SETITEMATTR | |
252 | ,MPFROM2SHORT(GetRealId(), TRUE) | |
253 | ,MPFROM2SHORT(MIA_DISABLED, FALSE) | |
254 | ); | |
255 | else | |
256 | bOk = (bool)::WinSendMsg( GetHMenuOf(m_parentMenu) | |
257 | ,MM_SETITEMATTR | |
258 | ,MPFROM2SHORT(GetRealId(), TRUE) | |
259 | ,MPFROM2SHORT(MIA_DISABLED, MIA_DISABLED) | |
260 | ); | |
261 | if (!bOk) | |
262 | { | |
263 | wxLogLastError("EnableMenuItem"); | |
264 | } | |
265 | wxMenuItemBase::Enable(bEnable); | |
266 | } // end of wxMenuItem::Enable | |
267 | ||
268 | void wxMenuItem::Check( | |
269 | bool bCheck | |
270 | ) | |
271 | { | |
272 | bool bOk; | |
273 | ||
274 | wxCHECK_RET( IsCheckable(), wxT("only checkable items may be checked") ); | |
275 | if (m_isChecked == bCheck) | |
276 | return; | |
277 | ||
278 | HMENU hMenu = GetHmenuOf(m_parentMenu); | |
279 | ||
280 | if (GetKind() == wxITEM_RADIO) | |
281 | { | |
282 | // | |
283 | // It doesn't make sense to uncheck a radio item - what would this do? | |
284 | // | |
285 | if (!bCheck) | |
286 | return; | |
287 | ||
288 | // | |
289 | // Get the index of this item in the menu | |
290 | // | |
291 | const wxMenuItemList& rItems = m_parentMenu->GetMenuItems(); | |
292 | int nPos = rItems.IndexOf(this); | |
293 | ||
294 | wxCHECK_RET( nPos != wxNOT_FOUND | |
295 | ,_T("menuitem not found in the menu items list?") | |
296 | ); | |
297 | ||
298 | // | |
299 | // Get the radio group range | |
300 | // | |
301 | int nStart; | |
302 | int nEnd; | |
303 | ||
304 | if (m_bIsRadioGroupStart) | |
305 | { | |
306 | // | |
307 | // We already have all information we need | |
308 | // | |
309 | nStart = nPos; | |
310 | nEnd = m_vRadioGroup.m_nEnd; | |
311 | } | |
312 | else // next radio group item | |
313 | { | |
314 | // | |
315 | // Get the radio group end from the start item | |
316 | // | |
317 | nStart = m_vRadioGroup.m_nStart; | |
318 | nEnd = rItems.Item(nStart)->GetData()->m_vRadioGroup.m_nEnd; | |
319 | } | |
320 | ||
321 | // | |
322 | // Also uncheck all the other items in this radio group | |
323 | // | |
324 | wxMenuItemList::Node* pNode = rItems.Item(nStart); | |
325 | ||
326 | for (int n = nStart; n <= nEnd && pNode; n++) | |
327 | { | |
328 | if (n == nPos) | |
329 | { | |
330 | ::WinSendMsg( hMenu | |
331 | ,MM_SETITEMATTR | |
332 | ,MPFROM2SHORT(n, TRUE) | |
333 | ,MPFROM2SHORT(MIA_CHECKED, MIA_CHECKED) | |
334 | ); | |
335 | } | |
336 | if (n != nPos) | |
337 | { | |
338 | pNode->GetData()->m_isChecked = FALSE; | |
339 | ::WinSendMsg( hMenu | |
340 | ,MM_SETITEMATTR | |
341 | ,MPFROM2SHORT(n, TRUE) | |
342 | ,MPFROM2SHORT(MIA_CHECKED, FALSE) | |
343 | ); | |
344 | } | |
345 | pNode = pNode->GetNext(); | |
346 | } | |
347 | } | |
348 | else // check item | |
349 | { | |
350 | if (bCheck) | |
351 | bOk = (bool)::WinSendMsg( hMenu | |
352 | ,MM_SETITEMATTR | |
353 | ,MPFROM2SHORT(GetRealId(), TRUE) | |
354 | ,MPFROM2SHORT(MIA_CHECKED, MIA_CHECKED) | |
355 | ); | |
356 | else | |
357 | bOk = (bool)::WinSendMsg( hMenu | |
358 | ,MM_SETITEMATTR | |
359 | ,MPFROM2SHORT(GetRealId(), TRUE) | |
360 | ,MPFROM2SHORT(MIA_CHECKED, FALSE) | |
361 | ); | |
362 | } | |
363 | if (!bOk) | |
364 | { | |
365 | wxLogLastError("CheckMenuItem"); | |
366 | } | |
367 | wxMenuItemBase::Check(bCheck); | |
368 | } // end of wxMenuItem::Check | |
369 | ||
370 | void wxMenuItem::SetText( | |
371 | const wxString& rText | |
372 | ) | |
373 | { | |
374 | // | |
375 | // Don't do anything if label didn't change | |
376 | // | |
377 | ||
378 | wxString sText = wxPMTextToLabel(rText); | |
379 | if (m_text == sText) | |
380 | return; | |
381 | ||
382 | wxMenuItemBase::SetText(sText); | |
383 | OWNER_DRAWN_ONLY(wxOwnerDrawn::SetName(sText)); | |
384 | #if wxUSE_OWNER_DRAWN | |
385 | SetAccelString(rText.AfterFirst(_T('\t'))); | |
386 | #endif // wxUSE_OWNER_DRAWN | |
387 | ||
388 | HWND hMenu = GetHmenuOf(m_parentMenu); | |
389 | ||
390 | wxCHECK_RET(hMenu, wxT("menuitem without menu")); | |
391 | ||
392 | #if wxUSE_ACCEL | |
393 | m_parentMenu->UpdateAccel(this); | |
394 | #endif // wxUSE_ACCEL | |
395 | ||
396 | USHORT uId = GetRealId(); | |
397 | MENUITEM vItem; | |
398 | USHORT uFlagsOld; | |
399 | ||
400 | if (!::WinSendMsg( hMenu | |
401 | ,MM_QUERYITEM | |
402 | ,MPFROM2SHORT(uId, TRUE) | |
403 | ,(MPARAM)&vItem | |
404 | )) | |
405 | { | |
406 | wxLogLastError("GetMenuState"); | |
407 | } | |
408 | else | |
409 | { | |
410 | uFlagsOld = vItem.afStyle; | |
411 | if (IsSubMenu()) | |
412 | { | |
413 | uFlagsOld |= MIS_SUBMENU; | |
414 | } | |
415 | ||
416 | BYTE* pData; | |
417 | ||
418 | #if wxUSE_OWNER_DRAWN | |
419 | if (IsOwnerDrawn()) | |
420 | { | |
421 | uFlagsOld |= MIS_OWNERDRAW; | |
422 | pData = (BYTE*)this; | |
423 | } | |
424 | else | |
425 | #endif //owner drawn | |
426 | { | |
427 | uFlagsOld |= MIS_TEXT; | |
428 | pData = (BYTE*)sText.c_str(); | |
429 | } | |
430 | ||
431 | // | |
432 | // Set the style | |
433 | // | |
434 | if (!::WinSendMsg( hMenu | |
435 | ,MM_SETITEM | |
436 | ,MPFROM2SHORT(uId, TRUE) | |
437 | ,(MPARAM)&vItem | |
438 | )) | |
439 | { | |
440 | wxLogLastError(wxT("ModifyMenu")); | |
441 | } | |
442 | ||
443 | // | |
444 | // Set the text | |
445 | // | |
446 | if (::WinSendMsg( hMenu | |
447 | ,MM_SETITEMTEXT | |
448 | ,MPFROMSHORT(uId) | |
449 | ,(MPARAM)pData | |
450 | )) | |
451 | { | |
452 | wxLogLastError(wxT("ModifyMenu")); | |
453 | } | |
454 | } | |
455 | } // end of wxMenuItem::SetText | |
456 | ||
457 | void wxMenuItem::SetCheckable( | |
458 | bool bCheckable | |
459 | ) | |
460 | { | |
461 | wxMenuItemBase::SetCheckable(bCheckable); | |
462 | OWNER_DRAWN_ONLY(wxOwnerDrawn::SetCheckable(bCheckable)); | |
463 | } // end of wxMenuItem::SetCheckable | |
464 | ||
465 | // ---------------------------------------------------------------------------- | |
466 | // wxMenuItemBase | |
467 | // ---------------------------------------------------------------------------- | |
468 | ||
469 | wxMenuItem* wxMenuItemBase::New( | |
470 | wxMenu* pParentMenu | |
471 | , int nId | |
472 | , const wxString& rName | |
473 | , const wxString& rHelp | |
474 | , wxItemKind kind | |
475 | , wxMenu* pSubMenu | |
476 | ) | |
477 | { | |
478 | return new wxMenuItem( pParentMenu | |
479 | ,nId | |
480 | ,rName | |
481 | ,rHelp | |
482 | ,kind | |
483 | ,pSubMenu | |
484 | ); | |
485 | } // end of wxMenuItemBase::New | |
486 |