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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 if (menu->m_callback)
197 {
198 (void) (*(menu->m_callback)) (*menu, event);
199 return;
200 }
201
202 if (menu->GetEventHandler()->ProcessEvent(event)) return;
203
204 wxWindow *win = menu->GetInvokingWindow();
205 if (win) win->GetEventHandler()->ProcessEvent( event );
206 }
207
208 //-----------------------------------------------------------------------------
209 // wxMenu
210 //-----------------------------------------------------------------------------
211
212 IMPLEMENT_DYNAMIC_CLASS(wxMenuItem,wxObject)
213
214 wxMenuItem::wxMenuItem()
215 {
216 m_id = ID_SEPARATOR;
217 m_isCheckMenu = FALSE;
218 m_isChecked = FALSE;
219 m_isEnabled = TRUE;
220 m_subMenu = (wxMenu *) NULL;
221 m_menuItem = (GtkWidget *) NULL;
222 }
223
224 void wxMenuItem::SetText(const wxString& str)
225 {
226 m_text = "";
227 for ( const char *pc = str; *pc != '\0'; pc++ ) {
228 if ( *pc == '&' )
229 pc++; // skip it
230
231 m_text << *pc;
232 }
233 }
234
235 void wxMenuItem::Check( bool check )
236 {
237 wxCHECK_RET( IsCheckable(), "Can't check uncheckable item!" )
238
239 m_isChecked = check;
240 gtk_check_menu_item_set_state( (GtkCheckMenuItem*)m_menuItem, (gint)check );
241 }
242
243 void wxMenuItem::Enable( bool enable )
244 {
245 gtk_widget_set_sensitive( m_menuItem, enable );
246 m_isEnabled = enable;
247 }
248
249 bool wxMenuItem::IsChecked() const
250 {
251 wxCHECK( IsCheckable(), FALSE ); // can't get state of uncheckable item!
252
253 bool bIsChecked = ((GtkCheckMenuItem*)m_menuItem)->active != 0;
254
255 wxASSERT( bIsChecked == m_isChecked ); // consistency check
256
257 return bIsChecked;
258 }
259
260 IMPLEMENT_DYNAMIC_CLASS(wxMenu,wxEvtHandler)
261
262 wxMenu::wxMenu( const wxString& title, const wxFunction func )
263 {
264 m_title = title;
265 m_items.DeleteContents( TRUE );
266 m_invokingWindow = (wxWindow *) NULL;
267 m_menu = gtk_menu_new(); // Do not show!
268 m_callback = func;
269 m_eventHandler = this;
270 if (m_title.IsNull()) m_title = "";
271 if (m_title != "")
272 {
273 Append(-2, m_title);
274 AppendSeparator();
275 }
276 }
277
278 void wxMenu::SetTitle( const wxString& title )
279 {
280 // Waiting for something better.
281 m_title = title;
282 }
283
284 const wxString wxMenu::GetTitle() const
285 {
286 return m_title;
287 }
288
289 void wxMenu::AppendSeparator()
290 {
291 wxMenuItem *mitem = new wxMenuItem();
292 mitem->SetId(ID_SEPARATOR);
293
294 GtkWidget *menuItem = gtk_menu_item_new();
295 gtk_menu_append( GTK_MENU(m_menu), menuItem );
296 gtk_widget_show( menuItem );
297 mitem->SetMenuItem(menuItem);
298 m_items.Append( mitem );
299 }
300
301 void wxMenu::Append( int id, const wxString &item, const wxString &helpStr, bool checkable )
302 {
303 wxMenuItem *mitem = new wxMenuItem();
304 mitem->SetId(id);
305 mitem->SetText(item);
306 mitem->SetHelp(helpStr);
307 mitem->SetCheckable(checkable);
308 const char *text = mitem->GetText();
309 GtkWidget *menuItem = checkable ? gtk_check_menu_item_new_with_label(text)
310 : gtk_menu_item_new_with_label(text);
311
312 mitem->SetMenuItem(menuItem);
313
314 gtk_signal_connect( GTK_OBJECT(menuItem), "activate",
315 GTK_SIGNAL_FUNC(gtk_menu_clicked_callback),
316 (gpointer*)this );
317
318 gtk_signal_connect( GTK_OBJECT(menuItem), "select",
319 GTK_SIGNAL_FUNC(gtk_menu_hilight_callback),
320 (gpointer*)this );
321
322 gtk_menu_append( GTK_MENU(m_menu), menuItem );
323 gtk_widget_show( menuItem );
324 m_items.Append( mitem );
325 }
326
327 void wxMenu::Append( int id, const wxString &text, wxMenu *subMenu, const wxString &helpStr )
328 {
329 wxMenuItem *mitem = new wxMenuItem();
330 mitem->SetId(id);
331 mitem->SetText(text);
332
333 GtkWidget *menuItem = gtk_menu_item_new_with_label(mitem->GetText());
334 mitem->SetHelp(helpStr);
335 mitem->SetMenuItem(menuItem);
336 mitem->SetSubMenu(subMenu);
337
338 gtk_menu_item_set_submenu( GTK_MENU_ITEM(menuItem), subMenu->m_menu );
339 gtk_menu_append( GTK_MENU(m_menu), menuItem );
340 gtk_widget_show( menuItem );
341 m_items.Append( mitem );
342 }
343
344 int wxMenu::FindItem( const wxString itemString ) const
345 {
346 wxString s( itemString );
347
348 int pos;
349 do {
350 pos = s.First( '&' );
351 if (pos != -1) s.Remove( pos, 1 );
352 } while (pos != -1);
353
354 wxNode *node = m_items.First();
355 while (node)
356 {
357 wxMenuItem *item = (wxMenuItem*)node->Data();
358 if (item->GetText() == s)
359 return item->GetId();
360 node = node->Next();
361 }
362
363 return -1;
364 }
365
366 void wxMenu::Enable( int id, bool enable )
367 {
368 wxMenuItem *item = FindItem(id);
369 if ( item )
370 item->Enable(enable);
371 }
372
373 bool wxMenu::IsEnabled( int id ) const
374 {
375 wxMenuItem *item = FindItem(id);
376 if ( item )
377 return item->IsEnabled();
378 else
379 return FALSE;
380 }
381
382 void wxMenu::Check( int id, bool enable )
383 {
384 wxMenuItem *item = FindItem(id);
385 if ( item )
386 item->Check(enable);
387 }
388
389 bool wxMenu::IsChecked( int id ) const
390 {
391 wxMenuItem *item = FindItem(id);
392 if ( item )
393 return item->IsChecked();
394 else
395 return FALSE;
396 }
397
398 void wxMenu::SetLabel( int id, const wxString &label )
399 {
400 wxMenuItem *item = FindItem(id);
401 if (item)
402 item->SetText(label);
403 }
404
405 wxString wxMenu::GetLabel( int id ) const
406 {
407 wxMenuItem *item = FindItem(id);
408 if (item) return item->GetText();
409 return "";
410 }
411
412 void wxMenu::SetHelpString( int id, const wxString& helpString )
413 {
414 wxMenuItem *item = FindItem(id);
415 if (item) item->SetHelp( helpString );
416 }
417
418 wxString wxMenu::GetHelpString( int id ) const
419 {
420 wxMenuItem *item = FindItem(id);
421 if (item) return item->GetHelp();
422 return "";
423 }
424
425 int wxMenu::FindMenuIdByMenuItem( GtkWidget *menuItem ) const
426 {
427 wxNode *node = m_items.First();
428 while (node)
429 {
430 wxMenuItem *item = (wxMenuItem*)node->Data();
431 if (item->GetMenuItem() == menuItem)
432 return item->GetId();
433 node = node->Next();
434 }
435
436 return -1;
437 }
438
439 wxMenuItem *wxMenu::FindItem(int id) const
440 {
441 wxNode *node = m_items.First();
442 while (node) {
443 wxMenuItem *item = (wxMenuItem*)node->Data();
444 if ( item->GetId() == id )
445 return item;
446 node = node->Next();
447 }
448
449 wxLogDebug( "wxMenu::FindItem: item %d not found.", id);
450
451 return (wxMenuItem *) NULL;
452 }
453
454 void wxMenu::SetInvokingWindow( wxWindow *win )
455 {
456 m_invokingWindow = win;
457 }
458
459 wxWindow *wxMenu::GetInvokingWindow()
460 {
461 return m_invokingWindow;
462 }
463
464