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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: menu.cpp | |
3 | // Purpose: | |
4 | // Author: Robert Roebling | |
5 | // Created: 01/02/97 | |
6 | // Id: $Id$ | |
7 | // Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem | |
8 | // Licence: wxWindows licence | |
9 | ///////////////////////////////////////////////////////////////////////////// | |
10 | ||
11 | ||
12 | #ifdef __GNUG__ | |
13 | #pragma implementation "menu.h" | |
14 | #endif | |
15 | ||
16 | #include "wx/menu.h" | |
17 | #include "wx/log.h" | |
18 | #include "wx/intl.h" | |
19 | ||
20 | //----------------------------------------------------------------------------- | |
21 | // wxMenuBar | |
22 | //----------------------------------------------------------------------------- | |
23 | ||
24 | IMPLEMENT_DYNAMIC_CLASS(wxMenuBar,wxWindow) | |
25 | ||
26 | wxMenuBar::wxMenuBar() | |
27 | { | |
28 | m_needParent = FALSE; // hmmm | |
29 | ||
30 | PreCreation( (wxWindow *) NULL, -1, wxDefaultPosition, wxDefaultSize, 0, "menu" ); | |
31 | ||
32 | m_menus.DeleteContents( TRUE ); | |
33 | ||
34 | m_widget = gtk_handle_box_new(); | |
35 | ||
36 | m_menubar = gtk_menu_bar_new(); | |
37 | ||
38 | gtk_container_add( GTK_CONTAINER(m_widget), m_menubar ); | |
39 | ||
40 | gtk_widget_show( m_menubar ); | |
41 | ||
42 | PostCreation(); | |
43 | ||
44 | Show( TRUE ); | |
45 | } | |
46 | ||
47 | void wxMenuBar::Append( wxMenu *menu, const wxString &title ) | |
48 | { | |
49 | m_menus.Append( menu ); | |
50 | menu->m_title = title; // ?????? | |
51 | ||
52 | int pos; | |
53 | do { | |
54 | pos = menu->m_title.First( '&' ); | |
55 | if (pos != -1) menu->m_title.Remove( pos, 1 ); | |
56 | } while (pos != -1); | |
57 | ||
58 | GtkWidget *root_menu; | |
59 | root_menu = gtk_menu_item_new_with_label( WXSTRINGCAST(menu->m_title) ); | |
60 | gtk_widget_show( root_menu ); | |
61 | gtk_menu_item_set_submenu( GTK_MENU_ITEM(root_menu), menu->m_menu ); | |
62 | ||
63 | gtk_menu_bar_append( GTK_MENU_BAR(m_menubar), root_menu ); | |
64 | } | |
65 | ||
66 | static int FindMenuItemRecursive( const wxMenu *menu, const wxString &menuString, const wxString &itemString ) | |
67 | { | |
68 | if (menu->m_title == menuString) | |
69 | { | |
70 | int res = menu->FindItem( itemString ); | |
71 | if (res != -1) return res; | |
72 | } | |
73 | wxNode *node = menu->m_items.First(); | |
74 | while (node) | |
75 | { | |
76 | wxMenuItem *item = (wxMenuItem*)node->Data(); | |
77 | if (item->IsSubMenu()) | |
78 | return FindMenuItemRecursive(item->GetSubMenu(), menuString, itemString); | |
79 | node = node->Next(); | |
80 | } | |
81 | return -1; | |
82 | } | |
83 | ||
84 | int wxMenuBar::FindMenuItem( const wxString &menuString, const wxString &itemString ) const | |
85 | { | |
86 | wxNode *node = m_menus.First(); | |
87 | while (node) | |
88 | { | |
89 | wxMenu *menu = (wxMenu*)node->Data(); | |
90 | int res = FindMenuItemRecursive( menu, menuString, itemString); | |
91 | if (res != -1) return res; | |
92 | node = node->Next(); | |
93 | } | |
94 | return -1; | |
95 | } | |
96 | ||
97 | // Find a wxMenuItem using its id. Recurses down into sub-menus | |
98 | static wxMenuItem* FindMenuItemByIdRecursive(const wxMenu* menu, int id) | |
99 | { | |
100 | wxMenuItem* result = menu->FindItem(id); | |
101 | ||
102 | wxNode *node = menu->m_items.First(); | |
103 | while ( node && result == NULL ) { | |
104 | wxMenuItem *item = (wxMenuItem*)node->Data(); | |
105 | if ( item->IsSubMenu() ) | |
106 | result = FindMenuItemByIdRecursive( item->GetSubMenu(), id ); | |
107 | node = node->Next(); | |
108 | } | |
109 | ||
110 | return result; | |
111 | } | |
112 | ||
113 | wxMenuItem* wxMenuBar::FindMenuItemById( int id ) const | |
114 | { | |
115 | wxMenuItem* result = 0; | |
116 | wxNode *node = m_menus.First(); | |
117 | while (node && result == 0) | |
118 | { | |
119 | wxMenu *menu = (wxMenu*)node->Data(); | |
120 | result = FindMenuItemByIdRecursive( menu, id ); | |
121 | node = node->Next(); | |
122 | } | |
123 | return result; | |
124 | } | |
125 | ||
126 | void wxMenuBar::Check( int id, bool check ) | |
127 | { | |
128 | wxMenuItem* item = FindMenuItemById( id ); | |
129 | if (item) item->Check(check); | |
130 | } | |
131 | ||
132 | bool wxMenuBar::Checked( int id ) const | |
133 | { | |
134 | wxMenuItem* item = FindMenuItemById( id ); | |
135 | if (item) return item->IsChecked(); | |
136 | return FALSE; | |
137 | } | |
138 | ||
139 | void wxMenuBar::Enable( int id, bool enable ) | |
140 | { | |
141 | wxMenuItem* item = FindMenuItemById( id ); | |
142 | if (item) item->Enable(enable); | |
143 | } | |
144 | ||
145 | bool wxMenuBar::Enabled( int id ) const | |
146 | { | |
147 | wxMenuItem* item = FindMenuItemById( id ); | |
148 | if (item) return item->IsEnabled(); | |
149 | return FALSE; | |
150 | } | |
151 | ||
152 | //----------------------------------------------------------------------------- | |
153 | // "activate" | |
154 | //----------------------------------------------------------------------------- | |
155 | ||
156 | static void gtk_menu_clicked_callback( GtkWidget *widget, wxMenu *menu ) | |
157 | { | |
158 | int id = menu->FindMenuIdByMenuItem(widget); | |
159 | ||
160 | wxASSERT( id != -1 ); // should find it! | |
161 | ||
162 | if (!menu->IsEnabled(id)) return; | |
163 | ||
164 | wxCommandEvent event( wxEVT_COMMAND_MENU_SELECTED, id ); | |
165 | event.SetEventObject( menu ); | |
166 | event.SetInt(id ); | |
167 | ||
168 | if (menu->m_callback) | |
169 | { | |
170 | (void) (*(menu->m_callback)) (*menu, event); | |
171 | return; | |
172 | } | |
173 | ||
174 | if (menu->GetEventHandler()->ProcessEvent(event)) return; | |
175 | ||
176 | wxWindow *win = menu->GetInvokingWindow(); | |
177 | if (win) win->GetEventHandler()->ProcessEvent( event ); | |
178 | } | |
179 | ||
180 | //----------------------------------------------------------------------------- | |
181 | // "select" | |
182 | //----------------------------------------------------------------------------- | |
183 | ||
184 | static void gtk_menu_hilight_callback( GtkWidget *widget, wxMenu *menu ) | |
185 | { | |
186 | int id = menu->FindMenuIdByMenuItem(widget); | |
187 | ||
188 | wxASSERT( id != -1 ); // should find it! | |
189 | ||
190 | if (!menu->IsEnabled(id)) return; | |
191 | ||
192 | wxCommandEvent event( wxEVT_MENU_HIGHLIGHT, id ); | |
193 | event.SetEventObject( menu ); | |
194 | event.SetInt(id ); | |
195 | ||
196 | /* wxMSW doesn't call callback here either | |
197 | if (menu->m_callback) | |
198 | { | |
199 | (void) (*(menu->m_callback)) (*menu, event); | |
200 | return; | |
201 | } | |
202 | */ | |
203 | ||
204 | if (menu->GetEventHandler()->ProcessEvent(event)) return; | |
205 | ||
206 | wxWindow *win = menu->GetInvokingWindow(); | |
207 | if (win) win->GetEventHandler()->ProcessEvent( event ); | |
208 | } | |
209 | ||
210 | //----------------------------------------------------------------------------- | |
211 | // wxMenu | |
212 | //----------------------------------------------------------------------------- | |
213 | ||
214 | IMPLEMENT_DYNAMIC_CLASS(wxMenuItem,wxObject) | |
215 | ||
216 | wxMenuItem::wxMenuItem() | |
217 | { | |
218 | m_id = ID_SEPARATOR; | |
219 | m_isCheckMenu = FALSE; | |
220 | m_isChecked = FALSE; | |
221 | m_isEnabled = TRUE; | |
222 | m_subMenu = (wxMenu *) NULL; | |
223 | m_menuItem = (GtkWidget *) NULL; | |
224 | } | |
225 | ||
226 | void wxMenuItem::SetText(const wxString& str) | |
227 | { | |
228 | m_text = ""; | |
229 | for ( const char *pc = str; *pc != '\0'; pc++ ) { | |
230 | if ( *pc == '&' ) | |
231 | pc++; // skip it | |
232 | ||
233 | m_text << *pc; | |
234 | } | |
235 | } | |
236 | ||
237 | void wxMenuItem::Check( bool check ) | |
238 | { | |
239 | wxCHECK_RET( IsCheckable(), "Can't check uncheckable item!" ) | |
240 | ||
241 | m_isChecked = check; | |
242 | gtk_check_menu_item_set_state( (GtkCheckMenuItem*)m_menuItem, (gint)check ); | |
243 | } | |
244 | ||
245 | void wxMenuItem::Enable( bool enable ) | |
246 | { | |
247 | gtk_widget_set_sensitive( m_menuItem, enable ); | |
248 | m_isEnabled = enable; | |
249 | } | |
250 | ||
251 | bool wxMenuItem::IsChecked() const | |
252 | { | |
253 | wxCHECK( IsCheckable(), FALSE ); // can't get state of uncheckable item! | |
254 | ||
255 | bool bIsChecked = ((GtkCheckMenuItem*)m_menuItem)->active != 0; | |
256 | ||
257 | wxASSERT( bIsChecked == m_isChecked ); // consistency check | |
258 | ||
259 | return bIsChecked; | |
260 | } | |
261 | ||
262 | IMPLEMENT_DYNAMIC_CLASS(wxMenu,wxEvtHandler) | |
263 | ||
264 | wxMenu::wxMenu( const wxString& title, const wxFunction func ) | |
265 | { | |
266 | m_title = title; | |
267 | m_items.DeleteContents( TRUE ); | |
268 | m_invokingWindow = (wxWindow *) NULL; | |
269 | m_menu = gtk_menu_new(); // Do not show! | |
270 | m_callback = func; | |
271 | m_eventHandler = this; | |
272 | if (m_title.IsNull()) m_title = ""; | |
273 | if (m_title != "") | |
274 | { | |
275 | Append(-2, m_title); | |
276 | AppendSeparator(); | |
277 | } | |
278 | } | |
279 | ||
280 | void wxMenu::SetTitle( const wxString& title ) | |
281 | { | |
282 | // Waiting for something better. | |
283 | m_title = title; | |
284 | } | |
285 | ||
286 | const wxString wxMenu::GetTitle() const | |
287 | { | |
288 | return m_title; | |
289 | } | |
290 | ||
291 | void wxMenu::AppendSeparator() | |
292 | { | |
293 | wxMenuItem *mitem = new wxMenuItem(); | |
294 | mitem->SetId(ID_SEPARATOR); | |
295 | ||
296 | GtkWidget *menuItem = gtk_menu_item_new(); | |
297 | gtk_menu_append( GTK_MENU(m_menu), menuItem ); | |
298 | gtk_widget_show( menuItem ); | |
299 | mitem->SetMenuItem(menuItem); | |
300 | m_items.Append( mitem ); | |
301 | } | |
302 | ||
303 | void wxMenu::Append( int id, const wxString &item, const wxString &helpStr, bool checkable ) | |
304 | { | |
305 | wxMenuItem *mitem = new wxMenuItem(); | |
306 | mitem->SetId(id); | |
307 | mitem->SetText(item); | |
308 | mitem->SetHelp(helpStr); | |
309 | mitem->SetCheckable(checkable); | |
310 | const char *text = mitem->GetText(); | |
311 | GtkWidget *menuItem = checkable ? gtk_check_menu_item_new_with_label(text) | |
312 | : gtk_menu_item_new_with_label(text); | |
313 | ||
314 | mitem->SetMenuItem(menuItem); | |
315 | ||
316 | gtk_signal_connect( GTK_OBJECT(menuItem), "activate", | |
317 | GTK_SIGNAL_FUNC(gtk_menu_clicked_callback), | |
318 | (gpointer*)this ); | |
319 | ||
320 | gtk_signal_connect( GTK_OBJECT(menuItem), "select", | |
321 | GTK_SIGNAL_FUNC(gtk_menu_hilight_callback), | |
322 | (gpointer*)this ); | |
323 | ||
324 | gtk_menu_append( GTK_MENU(m_menu), menuItem ); | |
325 | gtk_widget_show( menuItem ); | |
326 | m_items.Append( mitem ); | |
327 | } | |
328 | ||
329 | void wxMenu::Append( int id, const wxString &text, wxMenu *subMenu, const wxString &helpStr ) | |
330 | { | |
331 | wxMenuItem *mitem = new wxMenuItem(); | |
332 | mitem->SetId(id); | |
333 | mitem->SetText(text); | |
334 | ||
335 | GtkWidget *menuItem = gtk_menu_item_new_with_label(mitem->GetText()); | |
336 | mitem->SetHelp(helpStr); | |
337 | mitem->SetMenuItem(menuItem); | |
338 | mitem->SetSubMenu(subMenu); | |
339 | ||
340 | gtk_menu_item_set_submenu( GTK_MENU_ITEM(menuItem), subMenu->m_menu ); | |
341 | gtk_menu_append( GTK_MENU(m_menu), menuItem ); | |
342 | gtk_widget_show( menuItem ); | |
343 | m_items.Append( mitem ); | |
344 | } | |
345 | ||
346 | int wxMenu::FindItem( const wxString itemString ) const | |
347 | { | |
348 | wxString s( itemString ); | |
349 | ||
350 | int pos; | |
351 | do { | |
352 | pos = s.First( '&' ); | |
353 | if (pos != -1) s.Remove( pos, 1 ); | |
354 | } while (pos != -1); | |
355 | ||
356 | wxNode *node = m_items.First(); | |
357 | while (node) | |
358 | { | |
359 | wxMenuItem *item = (wxMenuItem*)node->Data(); | |
360 | if (item->GetText() == s) | |
361 | return item->GetId(); | |
362 | node = node->Next(); | |
363 | } | |
364 | ||
365 | return -1; | |
366 | } | |
367 | ||
368 | void wxMenu::Enable( int id, bool enable ) | |
369 | { | |
370 | wxMenuItem *item = FindItem(id); | |
371 | if ( item ) | |
372 | item->Enable(enable); | |
373 | } | |
374 | ||
375 | bool wxMenu::IsEnabled( int id ) const | |
376 | { | |
377 | wxMenuItem *item = FindItem(id); | |
378 | if ( item ) | |
379 | return item->IsEnabled(); | |
380 | else | |
381 | return FALSE; | |
382 | } | |
383 | ||
384 | void wxMenu::Check( int id, bool enable ) | |
385 | { | |
386 | wxMenuItem *item = FindItem(id); | |
387 | if ( item ) | |
388 | item->Check(enable); | |
389 | } | |
390 | ||
391 | bool wxMenu::IsChecked( int id ) const | |
392 | { | |
393 | wxMenuItem *item = FindItem(id); | |
394 | if ( item ) | |
395 | return item->IsChecked(); | |
396 | else | |
397 | return FALSE; | |
398 | } | |
399 | ||
400 | void wxMenu::SetLabel( int id, const wxString &label ) | |
401 | { | |
402 | wxMenuItem *item = FindItem(id); | |
403 | if (item) | |
404 | item->SetText(label); | |
405 | } | |
406 | ||
407 | wxString wxMenu::GetLabel( int id ) const | |
408 | { | |
409 | wxMenuItem *item = FindItem(id); | |
410 | if (item) return item->GetText(); | |
411 | return ""; | |
412 | } | |
413 | ||
414 | void wxMenu::SetHelpString( int id, const wxString& helpString ) | |
415 | { | |
416 | wxMenuItem *item = FindItem(id); | |
417 | if (item) item->SetHelp( helpString ); | |
418 | } | |
419 | ||
420 | wxString wxMenu::GetHelpString( int id ) const | |
421 | { | |
422 | wxMenuItem *item = FindItem(id); | |
423 | if (item) return item->GetHelp(); | |
424 | return ""; | |
425 | } | |
426 | ||
427 | int wxMenu::FindMenuIdByMenuItem( GtkWidget *menuItem ) const | |
428 | { | |
429 | wxNode *node = m_items.First(); | |
430 | while (node) | |
431 | { | |
432 | wxMenuItem *item = (wxMenuItem*)node->Data(); | |
433 | if (item->GetMenuItem() == menuItem) | |
434 | return item->GetId(); | |
435 | node = node->Next(); | |
436 | } | |
437 | ||
438 | return -1; | |
439 | } | |
440 | ||
441 | wxMenuItem *wxMenu::FindItem(int id) const | |
442 | { | |
443 | wxNode *node = m_items.First(); | |
444 | while (node) { | |
445 | wxMenuItem *item = (wxMenuItem*)node->Data(); | |
446 | if ( item->GetId() == id ) | |
447 | return item; | |
448 | node = node->Next(); | |
449 | } | |
450 | ||
451 | wxLogDebug( "wxMenu::FindItem: item %d not found.", id); | |
452 | ||
453 | return (wxMenuItem *) NULL; | |
454 | } | |
455 | ||
456 | void wxMenu::SetInvokingWindow( wxWindow *win ) | |
457 | { | |
458 | m_invokingWindow = win; | |
459 | } | |
460 | ||
461 | wxWindow *wxMenu::GetInvokingWindow() | |
462 | { | |
463 | return m_invokingWindow; | |
464 | } | |
465 | ||
466 |