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