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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/gtk/menu.cpp
3 // Purpose: implementation of wxMenuBar and wxMenu classes for wxGTK
4 // Author: Robert Roebling
5 // Id: $Id$
6 // Copyright: (c) 1998 Robert Roebling
7 // Licence: wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
9
10 // For compilers that support precompilation, includes "wx.h".
11 #include "wx/wxprec.h"
12
13 #if wxUSE_MENUS
14
15 #include "wx/menu.h"
16
17 #ifndef WX_PRECOMP
18 #include "wx/intl.h"
19 #include "wx/log.h"
20 #include "wx/frame.h"
21 #include "wx/bitmap.h"
22 #include "wx/app.h"
23 #endif
24
25 #include "wx/accel.h"
26 #include "wx/stockitem.h"
27 #include "wx/gtk/private.h"
28 #include "wx/gtk/private/mnemonics.h"
29
30 // we use normal item but with a special id for the menu title
31 static const int wxGTK_TITLE_ID = -3;
32
33 // forward declare it as it's used by wxMenuBar too when using Hildon
34 extern "C"
35 {
36 static void gtk_menu_clicked_callback(GtkWidget *widget, wxMenu *menu);
37 }
38
39 #if wxUSE_ACCEL
40 static void wxGetGtkAccel(const wxMenuItem*, guint*, GdkModifierType*);
41 #endif
42
43 static void DoCommonMenuCallbackCode(wxMenu *menu, wxMenuEvent& event)
44 {
45 event.SetEventObject( menu );
46
47 wxEvtHandler* handler = menu->GetEventHandler();
48 if (handler && handler->SafelyProcessEvent(event))
49 return;
50
51 wxWindow *win = menu->GetInvokingWindow();
52 if (win)
53 win->HandleWindowEvent( event );
54 }
55
56 //-----------------------------------------------------------------------------
57 // wxMenuBar
58 //-----------------------------------------------------------------------------
59
60 IMPLEMENT_DYNAMIC_CLASS(wxMenuBar,wxWindow)
61
62 void wxMenuBar::Init(size_t n, wxMenu *menus[], const wxString titles[], long style)
63 {
64 m_invokingWindow = NULL;
65
66 #if wxUSE_LIBHILDON
67 // Hildon window uses a single menu instead of a menu bar, so wxMenuBar is
68 // the same as menu in this case
69 m_widget =
70 m_menubar = gtk_menu_new();
71 #else // !wxUSE_LIBHILDON
72 if (!PreCreation( NULL, wxDefaultPosition, wxDefaultSize ) ||
73 !CreateBase( NULL, -1, wxDefaultPosition, wxDefaultSize, style, wxDefaultValidator, wxT("menubar") ))
74 {
75 wxFAIL_MSG( wxT("wxMenuBar creation failed") );
76 return;
77 }
78
79 m_menubar = gtk_menu_bar_new();
80
81 if (style & wxMB_DOCKABLE)
82 {
83 m_widget = gtk_handle_box_new();
84 gtk_container_add(GTK_CONTAINER(m_widget), m_menubar);
85 gtk_widget_show(m_menubar);
86 }
87 else
88 {
89 m_widget = m_menubar;
90 }
91
92 PostCreation();
93
94 ApplyWidgetStyle();
95 #endif // wxUSE_LIBHILDON/!wxUSE_LIBHILDON
96
97 for (size_t i = 0; i < n; ++i )
98 Append(menus[i], titles[i]);
99 }
100
101 wxMenuBar::wxMenuBar(size_t n, wxMenu *menus[], const wxString titles[], long style)
102 {
103 Init(n, menus, titles, style);
104 }
105
106 wxMenuBar::wxMenuBar(long style)
107 {
108 Init(0, NULL, NULL, style);
109 }
110
111 wxMenuBar::wxMenuBar()
112 {
113 Init(0, NULL, NULL, 0);
114 }
115
116 wxMenuBar::~wxMenuBar()
117 {
118 }
119
120 static void
121 wxMenubarUnsetInvokingWindow(wxMenu* menu, wxWindow* win, GtkWindow* tlw = NULL)
122 {
123 menu->SetInvokingWindow( (wxWindow*) NULL );
124
125 // support for native hot keys
126 if (menu->m_accel)
127 {
128 if (tlw == NULL)
129 tlw = GTK_WINDOW(wxGetTopLevelParent(win)->m_widget);
130 if (g_slist_find(menu->m_accel->acceleratables, tlw))
131 gtk_window_remove_accel_group(tlw, menu->m_accel);
132 }
133
134 wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
135 while (node)
136 {
137 wxMenuItem *menuitem = node->GetData();
138 if (menuitem->IsSubMenu())
139 wxMenubarUnsetInvokingWindow(menuitem->GetSubMenu(), win, tlw);
140 node = node->GetNext();
141 }
142 }
143
144 static void
145 wxMenubarSetInvokingWindow(wxMenu* menu, wxWindow* win, GtkWindow* tlw = NULL)
146 {
147 menu->SetInvokingWindow( win );
148
149 // support for native hot keys
150 if (menu->m_accel)
151 {
152 if (tlw == NULL)
153 tlw = GTK_WINDOW(wxGetTopLevelParent(win)->m_widget);
154 if (!g_slist_find(menu->m_accel->acceleratables, tlw))
155 gtk_window_add_accel_group(tlw, menu->m_accel);
156 }
157
158 wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
159 while (node)
160 {
161 wxMenuItem *menuitem = node->GetData();
162 if (menuitem->IsSubMenu())
163 wxMenubarSetInvokingWindow(menuitem->GetSubMenu(), win, tlw);
164 node = node->GetNext();
165 }
166 }
167
168 void wxMenuBar::SetInvokingWindow( wxWindow *win )
169 {
170 m_invokingWindow = win;
171
172 wxMenuList::compatibility_iterator node = m_menus.GetFirst();
173 while (node)
174 {
175 wxMenu *menu = node->GetData();
176 wxMenubarSetInvokingWindow( menu, win );
177 node = node->GetNext();
178 }
179 }
180
181 void wxMenuBar::SetLayoutDirection(wxLayoutDirection dir)
182 {
183 if ( dir == wxLayout_Default )
184 {
185 const wxWindow *const frame = GetFrame();
186 if ( frame )
187 {
188 // inherit layout from frame.
189 dir = frame->GetLayoutDirection();
190 }
191 else // use global layout
192 {
193 dir = wxTheApp->GetLayoutDirection();
194 }
195 }
196
197 if ( dir == wxLayout_Default )
198 return;
199
200 GTKSetLayout(m_menubar, dir);
201
202 // also set the layout of all menus we already have (new ones will inherit
203 // the current layout)
204 for ( wxMenuList::compatibility_iterator node = m_menus.GetFirst();
205 node;
206 node = node->GetNext() )
207 {
208 wxMenu *const menu = node->GetData();
209 menu->SetLayoutDirection(dir);
210 }
211 }
212
213 wxLayoutDirection wxMenuBar::GetLayoutDirection() const
214 {
215 return GTKGetLayout(m_menubar);
216 }
217
218 void wxMenuBar::Attach(wxFrame *frame)
219 {
220 wxMenuBarBase::Attach(frame);
221
222 SetLayoutDirection(wxLayout_Default);
223 }
224
225 void wxMenuBar::UnsetInvokingWindow( wxWindow *win )
226 {
227 m_invokingWindow = (wxWindow*) NULL;
228
229 wxMenuList::compatibility_iterator node = m_menus.GetFirst();
230 while (node)
231 {
232 wxMenu *menu = node->GetData();
233 wxMenubarUnsetInvokingWindow( menu, win );
234 node = node->GetNext();
235 }
236 }
237
238 bool wxMenuBar::Append( wxMenu *menu, const wxString &title )
239 {
240 if ( !wxMenuBarBase::Append( menu, title ) )
241 return false;
242
243 return GtkAppend(menu, title);
244 }
245
246 bool wxMenuBar::GtkAppend(wxMenu *menu, const wxString& title, int pos)
247 {
248 menu->SetLayoutDirection(GetLayoutDirection());
249
250 #if wxUSE_LIBHILDON
251 // if the menu has only one item, append it directly to the top level menu
252 // instead of inserting a useless submenu
253 if ( menu->GetMenuItemCount() == 1 )
254 {
255 wxMenuItem * const item = menu->FindItemByPosition(0);
256
257 // remove both mnemonics and accelerator: neither is useful under Maemo
258 const wxString str(wxStripMenuCodes(item->GetItemLabel()));
259
260 if ( item->IsSubMenu() )
261 return GtkAppend(item->GetSubMenu(), str, pos);
262
263 menu->m_owner = gtk_menu_item_new_with_mnemonic( wxGTK_CONV( str ) );
264
265 g_signal_connect(menu->m_owner, "activate",
266 G_CALLBACK(gtk_menu_clicked_callback), menu);
267 item->SetMenuItem(menu->m_owner);
268 }
269 else
270 #endif // wxUSE_LIBHILDON/!wxUSE_LIBHILDON
271 {
272 const wxString str(wxConvertMnemonicsToGTK(title));
273
274 // This doesn't have much effect right now.
275 menu->SetTitle( str );
276
277 // The "m_owner" is the "menu item"
278 menu->m_owner = gtk_menu_item_new_with_mnemonic( wxGTK_CONV( str ) );
279
280 gtk_menu_item_set_submenu( GTK_MENU_ITEM(menu->m_owner), menu->m_menu );
281 }
282
283 gtk_widget_show( menu->m_owner );
284
285 if (pos == -1)
286 gtk_menu_shell_append( GTK_MENU_SHELL(m_menubar), menu->m_owner );
287 else
288 gtk_menu_shell_insert( GTK_MENU_SHELL(m_menubar), menu->m_owner, pos );
289
290 // m_invokingWindow is set after wxFrame::SetMenuBar(). This call enables
291 // addings menu later on.
292 if (m_invokingWindow)
293 wxMenubarSetInvokingWindow( menu, m_invokingWindow );
294
295 return true;
296 }
297
298 bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title)
299 {
300 if ( !wxMenuBarBase::Insert(pos, menu, title) )
301 return false;
302
303 // TODO
304
305 if ( !GtkAppend(menu, title, (int)pos) )
306 return false;
307
308 return true;
309 }
310
311 wxMenu *wxMenuBar::Replace(size_t pos, wxMenu *menu, const wxString& title)
312 {
313 // remove the old item and insert a new one
314 wxMenu *menuOld = Remove(pos);
315 if ( menuOld && !Insert(pos, menu, title) )
316 {
317 return (wxMenu*) NULL;
318 }
319
320 // either Insert() succeeded or Remove() failed and menuOld is NULL
321 return menuOld;
322 }
323
324 wxMenu *wxMenuBar::Remove(size_t pos)
325 {
326 wxMenu *menu = wxMenuBarBase::Remove(pos);
327 if ( !menu )
328 return (wxMenu*) NULL;
329
330 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menu->m_owner), NULL);
331 gtk_container_remove(GTK_CONTAINER(m_menubar), menu->m_owner);
332
333 gtk_widget_destroy( menu->m_owner );
334 menu->m_owner = NULL;
335
336 if (m_invokingWindow)
337 wxMenubarUnsetInvokingWindow( menu, m_invokingWindow );
338
339 return menu;
340 }
341
342 static int FindMenuItemRecursive( const wxMenu *menu, const wxString &menuString, const wxString &itemString )
343 {
344 if (wxMenuItem::GetLabelText(wxConvertMnemonicsFromGTK(menu->GetTitle())) == wxMenuItem::GetLabelText(menuString))
345 {
346 int res = menu->FindItem( itemString );
347 if (res != wxNOT_FOUND)
348 return res;
349 }
350
351 wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
352 while (node)
353 {
354 wxMenuItem *item = node->GetData();
355 if (item->IsSubMenu())
356 return FindMenuItemRecursive(item->GetSubMenu(), menuString, itemString);
357
358 node = node->GetNext();
359 }
360
361 return wxNOT_FOUND;
362 }
363
364 int wxMenuBar::FindMenuItem( const wxString &menuString, const wxString &itemString ) const
365 {
366 wxMenuList::compatibility_iterator node = m_menus.GetFirst();
367 while (node)
368 {
369 wxMenu *menu = node->GetData();
370 int res = FindMenuItemRecursive( menu, menuString, itemString);
371 if (res != -1)
372 return res;
373 node = node->GetNext();
374 }
375
376 return wxNOT_FOUND;
377 }
378
379 // Find a wxMenuItem using its id. Recurses down into sub-menus
380 static wxMenuItem* FindMenuItemByIdRecursive(const wxMenu* menu, int id)
381 {
382 wxMenuItem* result = menu->FindChildItem(id);
383
384 wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
385 while ( node && result == NULL )
386 {
387 wxMenuItem *item = node->GetData();
388 if (item->IsSubMenu())
389 {
390 result = FindMenuItemByIdRecursive( item->GetSubMenu(), id );
391 }
392 node = node->GetNext();
393 }
394
395 return result;
396 }
397
398 wxMenuItem* wxMenuBar::FindItem( int id, wxMenu **menuForItem ) const
399 {
400 wxMenuItem* result = 0;
401 wxMenuList::compatibility_iterator node = m_menus.GetFirst();
402 while (node && result == 0)
403 {
404 wxMenu *menu = node->GetData();
405 result = FindMenuItemByIdRecursive( menu, id );
406 node = node->GetNext();
407 }
408
409 if ( menuForItem )
410 {
411 *menuForItem = result ? result->GetMenu() : (wxMenu *)NULL;
412 }
413
414 return result;
415 }
416
417 void wxMenuBar::EnableTop( size_t pos, bool flag )
418 {
419 wxMenuList::compatibility_iterator node = m_menus.Item( pos );
420
421 wxCHECK_RET( node, wxT("menu not found") );
422
423 wxMenu* menu = node->GetData();
424
425 if (menu->m_owner)
426 gtk_widget_set_sensitive( menu->m_owner, flag );
427 }
428
429 wxString wxMenuBar::GetMenuLabel( size_t pos ) const
430 {
431 wxMenuList::compatibility_iterator node = m_menus.Item( pos );
432
433 wxCHECK_MSG( node, wxT("invalid"), wxT("menu not found") );
434
435 wxMenu* menu = node->GetData();
436
437 return wxConvertMnemonicsFromGTK(menu->GetTitle());
438 }
439
440 void wxMenuBar::SetMenuLabel( size_t pos, const wxString& label )
441 {
442 wxMenuList::compatibility_iterator node = m_menus.Item( pos );
443
444 wxCHECK_RET( node, wxT("menu not found") );
445
446 wxMenu* menu = node->GetData();
447
448 const wxString str(wxConvertMnemonicsToGTK(label));
449
450 menu->SetTitle( str );
451
452 if (menu->m_owner)
453 gtk_label_set_text_with_mnemonic( GTK_LABEL( GTK_BIN(menu->m_owner)->child), wxGTK_CONV(str) );
454 }
455
456 //-----------------------------------------------------------------------------
457 // "activate"
458 //-----------------------------------------------------------------------------
459
460 extern "C" {
461 static void gtk_menu_clicked_callback( GtkWidget *widget, wxMenu *menu )
462 {
463 int id = menu->FindMenuIdByMenuItem(widget);
464
465 /* should find it for normal (not popup) menu */
466 wxASSERT_MSG( (id != -1) || (menu->GetInvokingWindow() != NULL),
467 _T("menu item not found in gtk_menu_clicked_callback") );
468
469 if (!menu->IsEnabled(id))
470 return;
471
472 wxMenuItem* item = menu->FindChildItem( id );
473 wxCHECK_RET( item, wxT("error in menu item callback") );
474
475 if ( item->GetId() == wxGTK_TITLE_ID )
476 {
477 // ignore events from the menu title
478 return;
479 }
480
481 if (item->IsCheckable())
482 {
483 bool isReallyChecked = item->IsChecked(),
484 isInternallyChecked = item->wxMenuItemBase::IsChecked();
485
486 // ensure that the internal state is always consistent with what is
487 // shown on the screen
488 item->wxMenuItemBase::Check(isReallyChecked);
489
490 // we must not report the events for the radio button going up nor the
491 // events resulting from the calls to wxMenuItem::Check()
492 if ( (item->GetKind() == wxITEM_RADIO && !isReallyChecked) ||
493 (isInternallyChecked == isReallyChecked) )
494 {
495 return;
496 }
497 }
498
499
500 // Is this menu on a menubar? (possibly nested)
501 wxFrame* frame = NULL;
502 if(menu->IsAttached())
503 frame = menu->GetMenuBar()->GetFrame();
504
505 // FIXME: why do we have to call wxFrame::GetEventHandler() directly here?
506 // normally wxMenu::SendEvent() should be enough, if it doesn't work
507 // in wxGTK then we have a bug in wxMenu::GetInvokingWindow() which
508 // should be fixed instead of working around it here...
509 if (frame)
510 {
511 // If it is attached then let the frame send the event.
512 // Don't call frame->ProcessCommand(id) because it toggles
513 // checkable items and we've already done that above.
514 wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, id);
515 commandEvent.SetEventObject(frame);
516 if (item->IsCheckable())
517 commandEvent.SetInt(item->IsChecked());
518
519 frame->HandleWindowEvent(commandEvent);
520 }
521 else
522 {
523 // otherwise let the menu have it
524 menu->SendEvent(id, item->IsCheckable() ? item->IsChecked() : -1);
525 }
526 }
527 }
528
529 //-----------------------------------------------------------------------------
530 // "select"
531 //-----------------------------------------------------------------------------
532
533 extern "C" {
534 static void gtk_menu_hilight_callback( GtkWidget *widget, wxMenu *menu )
535 {
536 int id = menu->FindMenuIdByMenuItem(widget);
537
538 wxASSERT( id != -1 ); // should find it!
539
540 if (!menu->IsEnabled(id))
541 return;
542
543 wxMenuEvent event( wxEVT_MENU_HIGHLIGHT, id );
544 event.SetEventObject( menu );
545
546 wxEvtHandler* handler = menu->GetEventHandler();
547 if (handler && handler->SafelyProcessEvent(event))
548 return;
549
550 wxWindow *win = menu->GetInvokingWindow();
551 if (win) win->HandleWindowEvent( event );
552 }
553 }
554
555 //-----------------------------------------------------------------------------
556 // "deselect"
557 //-----------------------------------------------------------------------------
558
559 extern "C" {
560 static void gtk_menu_nolight_callback( GtkWidget *widget, wxMenu *menu )
561 {
562 int id = menu->FindMenuIdByMenuItem(widget);
563
564 wxASSERT( id != -1 ); // should find it!
565
566 if (!menu->IsEnabled(id))
567 return;
568
569 wxMenuEvent event( wxEVT_MENU_HIGHLIGHT, -1 );
570 event.SetEventObject( menu );
571
572 wxEvtHandler* handler = menu->GetEventHandler();
573 if (handler && handler->SafelyProcessEvent(event))
574 return;
575
576 wxWindow *win = menu->GetInvokingWindow();
577 if (win)
578 win->HandleWindowEvent( event );
579 }
580 }
581
582 //-----------------------------------------------------------------------------
583 // wxMenuItem
584 //-----------------------------------------------------------------------------
585
586 IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject)
587
588 wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu,
589 int id,
590 const wxString& name,
591 const wxString& help,
592 wxItemKind kind,
593 wxMenu *subMenu)
594 {
595 return new wxMenuItem(parentMenu, id, name, help, kind, subMenu);
596 }
597
598 wxMenuItem::wxMenuItem(wxMenu *parentMenu,
599 int id,
600 const wxString& text,
601 const wxString& help,
602 wxItemKind kind,
603 wxMenu *subMenu)
604 : wxMenuItemBase(parentMenu, id, text, help, kind, subMenu)
605 {
606 m_menuItem = NULL;
607 }
608
609 #if WXWIN_COMPATIBILITY_2_8
610 wxMenuItem::wxMenuItem(wxMenu *parentMenu,
611 int id,
612 const wxString& text,
613 const wxString& help,
614 bool isCheckable,
615 wxMenu *subMenu)
616 : wxMenuItemBase(parentMenu, id, text, help,
617 isCheckable ? wxITEM_CHECK : wxITEM_NORMAL, subMenu)
618 {
619 m_menuItem = NULL;
620 }
621 #endif
622
623 wxMenuItem::~wxMenuItem()
624 {
625 // don't delete menu items, the menus take care of that
626 }
627
628 void wxMenuItem::SetItemLabel( const wxString& str )
629 {
630 #if wxUSE_ACCEL
631 if (m_menuItem)
632 {
633 // remove old accelerator
634 guint accel_key;
635 GdkModifierType accel_mods;
636 wxGetGtkAccel(this, &accel_key, &accel_mods);
637 if (accel_key)
638 {
639 gtk_widget_remove_accelerator(
640 m_menuItem, m_parentMenu->m_accel, accel_key, accel_mods);
641 }
642 }
643 #endif // wxUSE_ACCEL
644 wxMenuItemBase::SetItemLabel(str);
645 if (m_menuItem)
646 SetGtkLabel();
647 }
648
649 void wxMenuItem::SetGtkLabel()
650 {
651 const wxString text = wxConvertMnemonicsToGTK(m_text.BeforeFirst('\t'));
652 GtkLabel* label = GTK_LABEL(GTK_BIN(m_menuItem)->child);
653 gtk_label_set_text_with_mnemonic(label, wxGTK_CONV_SYS(text));
654 #if wxUSE_ACCEL
655 guint accel_key;
656 GdkModifierType accel_mods;
657 wxGetGtkAccel(this, &accel_key, &accel_mods);
658 if (accel_key)
659 {
660 gtk_widget_add_accelerator(
661 m_menuItem, "activate", m_parentMenu->m_accel,
662 accel_key, accel_mods, GTK_ACCEL_VISIBLE);
663 }
664 #endif // wxUSE_ACCEL
665 }
666
667 void wxMenuItem::SetBitmap(const wxBitmap& bitmap)
668 {
669 if (m_kind == wxITEM_NORMAL)
670 m_bitmap = bitmap;
671 else
672 wxFAIL_MSG("only normal menu items can have bitmaps");
673 }
674
675 void wxMenuItem::Check( bool check )
676 {
677 wxCHECK_RET( m_menuItem, wxT("invalid menu item") );
678
679 if (check == m_isChecked)
680 return;
681
682 wxMenuItemBase::Check( check );
683
684 switch ( GetKind() )
685 {
686 case wxITEM_CHECK:
687 case wxITEM_RADIO:
688 gtk_check_menu_item_set_active( (GtkCheckMenuItem*)m_menuItem, (gint)check );
689 break;
690
691 default:
692 wxFAIL_MSG( _T("can't check this item") );
693 }
694 }
695
696 void wxMenuItem::Enable( bool enable )
697 {
698 wxCHECK_RET( m_menuItem, wxT("invalid menu item") );
699
700 gtk_widget_set_sensitive( m_menuItem, enable );
701 wxMenuItemBase::Enable( enable );
702 }
703
704 bool wxMenuItem::IsChecked() const
705 {
706 wxCHECK_MSG( m_menuItem, false, wxT("invalid menu item") );
707
708 wxCHECK_MSG( IsCheckable(), false,
709 wxT("can't get state of uncheckable item!") );
710
711 return ((GtkCheckMenuItem*)m_menuItem)->active != 0;
712 }
713
714 //-----------------------------------------------------------------------------
715 // wxMenu
716 //-----------------------------------------------------------------------------
717
718 extern "C" {
719 // "map" from m_menu
720 static void menu_map(GtkWidget*, wxMenu* menu)
721 {
722 wxMenuEvent event(wxEVT_MENU_OPEN, menu->m_popupShown ? -1 : 0, menu);
723 DoCommonMenuCallbackCode(menu, event);
724 }
725
726 // "hide" from m_menu
727 static void menu_hide(GtkWidget*, wxMenu* menu)
728 {
729 wxMenuEvent event(wxEVT_MENU_CLOSE, menu->m_popupShown ? -1 : 0, menu);
730 menu->m_popupShown = false;
731 DoCommonMenuCallbackCode(menu, event);
732 }
733 }
734
735 IMPLEMENT_DYNAMIC_CLASS(wxMenu,wxEvtHandler)
736
737 void wxMenu::Init()
738 {
739 m_popupShown = false;
740
741 m_accel = gtk_accel_group_new();
742 m_menu = gtk_menu_new();
743 // NB: keep reference to the menu so that it is not destroyed behind
744 // our back by GTK+ e.g. when it is removed from menubar:
745 g_object_ref(m_menu);
746 gtk_object_sink(GTK_OBJECT(m_menu));
747
748 m_owner = (GtkWidget*) NULL;
749
750 // Tearoffs are entries, just like separators. So if we want this
751 // menu to be a tear-off one, we just append a tearoff entry
752 // immediately.
753 if ( m_style & wxMENU_TEAROFF )
754 {
755 GtkWidget *tearoff = gtk_tearoff_menu_item_new();
756
757 gtk_menu_shell_append(GTK_MENU_SHELL(m_menu), tearoff);
758 }
759
760 m_prevRadio = NULL;
761
762 // append the title as the very first entry if we have it
763 if ( !m_title.empty() )
764 {
765 Append(wxGTK_TITLE_ID, m_title);
766 AppendSeparator();
767 }
768
769 // "show" occurs for sub-menus which are not showing, so use "map" instead
770 g_signal_connect(m_menu, "map", G_CALLBACK(menu_map), this);
771 g_signal_connect(m_menu, "hide", G_CALLBACK(menu_hide), this);
772 }
773
774 wxMenu::~wxMenu()
775 {
776 // see wxMenu::Init
777 g_object_unref(m_menu);
778
779 // if the menu is inserted in another menu at this time, there was
780 // one more reference to it:
781 if (m_owner)
782 gtk_widget_destroy(m_menu);
783
784 g_object_unref(m_accel);
785 }
786
787 void wxMenu::SetLayoutDirection(const wxLayoutDirection dir)
788 {
789 if ( m_owner )
790 wxWindow::GTKSetLayout(m_owner, dir);
791 //else: will be called later by wxMenuBar again
792 }
793
794 wxLayoutDirection wxMenu::GetLayoutDirection() const
795 {
796 return wxWindow::GTKGetLayout(m_owner);
797 }
798
799 bool wxMenu::GtkAppend(wxMenuItem *mitem, int pos)
800 {
801 GtkWidget *menuItem;
802 GtkWidget* prevRadio = m_prevRadio;
803 m_prevRadio = NULL;
804 switch (mitem->GetKind())
805 {
806 case wxITEM_SEPARATOR:
807 menuItem = gtk_separator_menu_item_new();
808 break;
809 case wxITEM_CHECK:
810 menuItem = gtk_check_menu_item_new_with_label("");
811 break;
812 case wxITEM_RADIO:
813 {
814 GSList* group = NULL;
815 if (prevRadio)
816 group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(prevRadio));
817 menuItem = gtk_radio_menu_item_new_with_label(group, "");
818 m_prevRadio = menuItem;
819 }
820 break;
821 default:
822 wxFAIL_MSG("unexpected menu item kind");
823 // fall through
824 case wxITEM_NORMAL:
825 const wxBitmap& bitmap = mitem->GetBitmap();
826 const char* stockid;
827 if (bitmap.IsOk())
828 {
829 GtkWidget* image;
830 if (bitmap.HasPixbuf())
831 image = gtk_image_new_from_pixbuf(bitmap.GetPixbuf());
832 else
833 {
834 GdkPixmap* mask = NULL;
835 if (bitmap.GetMask())
836 mask = bitmap.GetMask()->GetBitmap();
837 image = gtk_image_new_from_pixmap(bitmap.GetPixmap(), mask);
838 }
839 menuItem = gtk_image_menu_item_new_with_label("");
840 gtk_widget_show(image);
841 gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(menuItem), image);
842 }
843 else if ((stockid = wxGetStockGtkID(mitem->GetId())) != NULL)
844 // use stock bitmap for this item if available on the assumption
845 // that it never hurts to follow GTK+ conventions more closely
846 menuItem = gtk_image_menu_item_new_from_stock(stockid, NULL);
847 else
848 menuItem = gtk_menu_item_new_with_label("");
849 break;
850 }
851 mitem->SetMenuItem(menuItem);
852
853 gtk_menu_shell_insert(GTK_MENU_SHELL(m_menu), menuItem, pos);
854
855 gtk_widget_show( menuItem );
856
857 if ( !mitem->IsSeparator() )
858 {
859 mitem->SetGtkLabel();
860 g_signal_connect (menuItem, "select",
861 G_CALLBACK (gtk_menu_hilight_callback), this);
862 g_signal_connect (menuItem, "deselect",
863 G_CALLBACK (gtk_menu_nolight_callback), this);
864
865 if ( mitem->IsSubMenu() && mitem->GetKind() != wxITEM_RADIO && mitem->GetKind() != wxITEM_CHECK )
866 {
867 gtk_menu_item_set_submenu( GTK_MENU_ITEM(menuItem), mitem->GetSubMenu()->m_menu );
868
869 gtk_widget_show( mitem->GetSubMenu()->m_menu );
870
871 // if adding a submenu to a menu already existing in the menu bar, we
872 // must set invoking window to allow processing events from this
873 // submenu
874 if ( m_invokingWindow )
875 wxMenubarSetInvokingWindow(mitem->GetSubMenu(), m_invokingWindow);
876 }
877 else
878 {
879 g_signal_connect (menuItem, "activate",
880 G_CALLBACK (gtk_menu_clicked_callback),
881 this);
882 }
883 }
884
885 return true;
886 }
887
888 wxMenuItem* wxMenu::DoAppend(wxMenuItem *mitem)
889 {
890 if (!GtkAppend(mitem))
891 return NULL;
892
893 return wxMenuBase::DoAppend(mitem);
894 }
895
896 wxMenuItem* wxMenu::DoInsert(size_t pos, wxMenuItem *item)
897 {
898 if ( !wxMenuBase::DoInsert(pos, item) )
899 return NULL;
900
901 // TODO
902 if ( !GtkAppend(item, (int)pos) )
903 return NULL;
904
905 return item;
906 }
907
908 wxMenuItem *wxMenu::DoRemove(wxMenuItem *item)
909 {
910 if ( !wxMenuBase::DoRemove(item) )
911 return NULL;
912
913 GtkWidget * const mitem = item->GetMenuItem();
914 if ( m_prevRadio == mitem )
915 {
916 // deleting an item starts a new radio group (has to as we shouldn't
917 // keep a deleted pointer anyhow)
918 m_prevRadio = NULL;
919 }
920
921 gtk_menu_item_set_submenu(GTK_MENU_ITEM(mitem), NULL);
922 gtk_widget_destroy(mitem);
923 item->SetMenuItem(NULL);
924
925 return item;
926 }
927
928 int wxMenu::FindMenuIdByMenuItem( GtkWidget *menuItem ) const
929 {
930 wxMenuItemList::compatibility_iterator node = m_items.GetFirst();
931 while (node)
932 {
933 wxMenuItem *item = node->GetData();
934 if (item->GetMenuItem() == menuItem)
935 return item->GetId();
936 node = node->GetNext();
937 }
938
939 return wxNOT_FOUND;
940 }
941
942 void wxMenu::Attach(wxMenuBarBase *menubar)
943 {
944 wxMenuBase::Attach(menubar);
945
946 // inherit layout direction from menubar.
947 SetLayoutDirection(menubar->GetLayoutDirection());
948 }
949
950 // ----------------------------------------------------------------------------
951 // helpers
952 // ----------------------------------------------------------------------------
953
954 #if wxUSE_ACCEL
955
956 static wxString GetGtkHotKey( const wxMenuItem& item )
957 {
958 wxString hotkey;
959
960 wxAcceleratorEntry *accel = item.GetAccel();
961 if ( accel )
962 {
963 int flags = accel->GetFlags();
964 if ( flags & wxACCEL_ALT )
965 hotkey += wxT("<alt>");
966 if ( flags & wxACCEL_CTRL )
967 hotkey += wxT("<control>");
968 if ( flags & wxACCEL_SHIFT )
969 hotkey += wxT("<shift>");
970
971 int code = accel->GetKeyCode();
972 switch ( code )
973 {
974 case WXK_F1:
975 case WXK_F2:
976 case WXK_F3:
977 case WXK_F4:
978 case WXK_F5:
979 case WXK_F6:
980 case WXK_F7:
981 case WXK_F8:
982 case WXK_F9:
983 case WXK_F10:
984 case WXK_F11:
985 case WXK_F12:
986 case WXK_F13:
987 case WXK_F14:
988 case WXK_F15:
989 case WXK_F16:
990 case WXK_F17:
991 case WXK_F18:
992 case WXK_F19:
993 case WXK_F20:
994 case WXK_F21:
995 case WXK_F22:
996 case WXK_F23:
997 case WXK_F24:
998 hotkey += wxString::Format(wxT("F%d"), code - WXK_F1 + 1);
999 break;
1000
1001 // TODO: we should use gdk_keyval_name() (a.k.a.
1002 // XKeysymToString) here as well as hardcoding the keysym
1003 // names this might be not portable
1004 case WXK_INSERT:
1005 hotkey << wxT("Insert" );
1006 break;
1007 case WXK_DELETE:
1008 hotkey << wxT("Delete" );
1009 break;
1010 case WXK_UP:
1011 hotkey << wxT("Up" );
1012 break;
1013 case WXK_DOWN:
1014 hotkey << wxT("Down" );
1015 break;
1016 case WXK_PAGEUP:
1017 hotkey << wxT("Page_Up" );
1018 break;
1019 case WXK_PAGEDOWN:
1020 hotkey << wxT("Page_Down" );
1021 break;
1022 case WXK_LEFT:
1023 hotkey << wxT("Left" );
1024 break;
1025 case WXK_RIGHT:
1026 hotkey << wxT("Right" );
1027 break;
1028 case WXK_HOME:
1029 hotkey << wxT("Home" );
1030 break;
1031 case WXK_END:
1032 hotkey << wxT("End" );
1033 break;
1034 case WXK_RETURN:
1035 hotkey << wxT("Return" );
1036 break;
1037 case WXK_BACK:
1038 hotkey << wxT("BackSpace" );
1039 break;
1040 case WXK_TAB:
1041 hotkey << wxT("Tab" );
1042 break;
1043 case WXK_ESCAPE:
1044 hotkey << wxT("Esc" );
1045 break;
1046 case WXK_SPACE:
1047 hotkey << wxT("space" );
1048 break;
1049 case WXK_MULTIPLY:
1050 hotkey << wxT("Multiply" );
1051 break;
1052 case WXK_ADD:
1053 hotkey << wxT("Add" );
1054 break;
1055 case WXK_SEPARATOR:
1056 hotkey << wxT("Separator" );
1057 break;
1058 case WXK_SUBTRACT:
1059 hotkey << wxT("Subtract" );
1060 break;
1061 case WXK_DECIMAL:
1062 hotkey << wxT("Decimal" );
1063 break;
1064 case WXK_DIVIDE:
1065 hotkey << wxT("Divide" );
1066 break;
1067 case WXK_CANCEL:
1068 hotkey << wxT("Cancel" );
1069 break;
1070 case WXK_CLEAR:
1071 hotkey << wxT("Clear" );
1072 break;
1073 case WXK_MENU:
1074 hotkey << wxT("Menu" );
1075 break;
1076 case WXK_PAUSE:
1077 hotkey << wxT("Pause" );
1078 break;
1079 case WXK_CAPITAL:
1080 hotkey << wxT("Capital" );
1081 break;
1082 case WXK_SELECT:
1083 hotkey << wxT("Select" );
1084 break;
1085 case WXK_PRINT:
1086 hotkey << wxT("Print" );
1087 break;
1088 case WXK_EXECUTE:
1089 hotkey << wxT("Execute" );
1090 break;
1091 case WXK_SNAPSHOT:
1092 hotkey << wxT("Snapshot" );
1093 break;
1094 case WXK_HELP:
1095 hotkey << wxT("Help" );
1096 break;
1097 case WXK_NUMLOCK:
1098 hotkey << wxT("Num_Lock" );
1099 break;
1100 case WXK_SCROLL:
1101 hotkey << wxT("Scroll_Lock" );
1102 break;
1103 case WXK_NUMPAD_INSERT:
1104 hotkey << wxT("KP_Insert" );
1105 break;
1106 case WXK_NUMPAD_DELETE:
1107 hotkey << wxT("KP_Delete" );
1108 break;
1109 case WXK_NUMPAD_SPACE:
1110 hotkey << wxT("KP_Space" );
1111 break;
1112 case WXK_NUMPAD_TAB:
1113 hotkey << wxT("KP_Tab" );
1114 break;
1115 case WXK_NUMPAD_ENTER:
1116 hotkey << wxT("KP_Enter" );
1117 break;
1118 case WXK_NUMPAD_F1: case WXK_NUMPAD_F2: case WXK_NUMPAD_F3:
1119 case WXK_NUMPAD_F4:
1120 hotkey += wxString::Format(wxT("KP_F%d"), code - WXK_NUMPAD_F1 + 1);
1121 break;
1122 case WXK_NUMPAD_HOME:
1123 hotkey << wxT("KP_Home" );
1124 break;
1125 case WXK_NUMPAD_LEFT:
1126 hotkey << wxT("KP_Left" );
1127 break;
1128 case WXK_NUMPAD_UP:
1129 hotkey << wxT("KP_Up" );
1130 break;
1131 case WXK_NUMPAD_RIGHT:
1132 hotkey << wxT("KP_Right" );
1133 break;
1134 case WXK_NUMPAD_DOWN:
1135 hotkey << wxT("KP_Down" );
1136 break;
1137 case WXK_NUMPAD_PAGEUP:
1138 hotkey << wxT("KP_Page_Up" );
1139 break;
1140 case WXK_NUMPAD_PAGEDOWN:
1141 hotkey << wxT("KP_Page_Down" );
1142 break;
1143 case WXK_NUMPAD_END:
1144 hotkey << wxT("KP_End" );
1145 break;
1146 case WXK_NUMPAD_BEGIN:
1147 hotkey << wxT("KP_Begin" );
1148 break;
1149 case WXK_NUMPAD_EQUAL:
1150 hotkey << wxT("KP_Equal" );
1151 break;
1152 case WXK_NUMPAD_MULTIPLY:
1153 hotkey << wxT("KP_Multiply" );
1154 break;
1155 case WXK_NUMPAD_ADD:
1156 hotkey << wxT("KP_Add" );
1157 break;
1158 case WXK_NUMPAD_SEPARATOR:
1159 hotkey << wxT("KP_Separator" );
1160 break;
1161 case WXK_NUMPAD_SUBTRACT:
1162 hotkey << wxT("KP_Subtract" );
1163 break;
1164 case WXK_NUMPAD_DECIMAL:
1165 hotkey << wxT("KP_Decimal" );
1166 break;
1167 case WXK_NUMPAD_DIVIDE:
1168 hotkey << wxT("KP_Divide" );
1169 break;
1170 case WXK_NUMPAD0: case WXK_NUMPAD1: case WXK_NUMPAD2:
1171 case WXK_NUMPAD3: case WXK_NUMPAD4: case WXK_NUMPAD5:
1172 case WXK_NUMPAD6: case WXK_NUMPAD7: case WXK_NUMPAD8: case WXK_NUMPAD9:
1173 hotkey += wxString::Format(wxT("KP_%d"), code - WXK_NUMPAD0);
1174 break;
1175 case WXK_WINDOWS_LEFT:
1176 hotkey << wxT("Super_L" );
1177 break;
1178 case WXK_WINDOWS_RIGHT:
1179 hotkey << wxT("Super_R" );
1180 break;
1181 case WXK_WINDOWS_MENU:
1182 hotkey << wxT("Menu" );
1183 break;
1184 case WXK_COMMAND:
1185 hotkey << wxT("Command" );
1186 break;
1187 /* These probably wouldn't work as there is no SpecialX in gdk/keynames.txt
1188 case WXK_SPECIAL1: case WXK_SPECIAL2: case WXK_SPECIAL3: case WXK_SPECIAL4:
1189 case WXK_SPECIAL5: case WXK_SPECIAL6: case WXK_SPECIAL7: case WXK_SPECIAL8:
1190 case WXK_SPECIAL9: case WXK_SPECIAL10: case WXK_SPECIAL11: case WXK_SPECIAL12:
1191 case WXK_SPECIAL13: case WXK_SPECIAL14: case WXK_SPECIAL15: case WXK_SPECIAL16:
1192 case WXK_SPECIAL17: case WXK_SPECIAL18: case WXK_SPECIAL19: case WXK_SPECIAL20:
1193 hotkey += wxString::Format(wxT("Special%d"), code - WXK_SPECIAL1 + 1);
1194 break;
1195 */
1196 // if there are any other keys wxAcceleratorEntry::Create() may
1197 // return, we should process them here
1198
1199 default:
1200 if ( code < 127 )
1201 {
1202 const wxString
1203 name = wxGTK_CONV_BACK_SYS(gdk_keyval_name((guint)code));
1204 if ( !name.empty() )
1205 {
1206 hotkey << name;
1207 break;
1208 }
1209 }
1210
1211 wxFAIL_MSG( wxT("unknown keyboard accel") );
1212 }
1213
1214 delete accel;
1215 }
1216
1217 return hotkey;
1218 }
1219
1220 static void
1221 wxGetGtkAccel(const wxMenuItem* item, guint* accel_key, GdkModifierType* accel_mods)
1222 {
1223 *accel_key = 0;
1224 const wxString string = GetGtkHotKey(*item);
1225 if (!string.empty())
1226 gtk_accelerator_parse(wxGTK_CONV_SYS(string), accel_key, accel_mods);
1227 else
1228 {
1229 GtkStockItem stock_item;
1230 const char* stockid = wxGetStockGtkID(item->GetId());
1231 if (stockid && gtk_stock_lookup(stockid, &stock_item))
1232 {
1233 *accel_key = stock_item.keyval;
1234 *accel_mods = stock_item.modifier;
1235 }
1236 }
1237 }
1238 #endif // wxUSE_ACCEL
1239
1240 const char *wxGetStockGtkID(wxWindowID id)
1241 {
1242 #define STOCKITEM(wx,gtk) \
1243 case wx: \
1244 return gtk;
1245
1246 #if GTK_CHECK_VERSION(2,6,0)
1247 #define STOCKITEM_26(wx,gtk) STOCKITEM(wx,gtk)
1248 #else
1249 #define STOCKITEM_26(wx,gtk)
1250 #endif
1251
1252 #if GTK_CHECK_VERSION(2,10,0)
1253 #define STOCKITEM_210(wx,gtk) STOCKITEM(wx,gtk)
1254 #else
1255 #define STOCKITEM_210(wx,gtk)
1256 #endif
1257
1258
1259 switch (id)
1260 {
1261 STOCKITEM_26(wxID_ABOUT, GTK_STOCK_ABOUT)
1262 STOCKITEM(wxID_ADD, GTK_STOCK_ADD)
1263 STOCKITEM(wxID_APPLY, GTK_STOCK_APPLY)
1264 STOCKITEM(wxID_BOLD, GTK_STOCK_BOLD)
1265 STOCKITEM(wxID_CANCEL, GTK_STOCK_CANCEL)
1266 STOCKITEM(wxID_CLEAR, GTK_STOCK_CLEAR)
1267 STOCKITEM(wxID_CLOSE, GTK_STOCK_CLOSE)
1268 STOCKITEM(wxID_COPY, GTK_STOCK_COPY)
1269 STOCKITEM(wxID_CUT, GTK_STOCK_CUT)
1270 STOCKITEM(wxID_DELETE, GTK_STOCK_DELETE)
1271 STOCKITEM_26(wxID_EDIT, GTK_STOCK_EDIT)
1272 STOCKITEM(wxID_FIND, GTK_STOCK_FIND)
1273 STOCKITEM_26(wxID_FILE, GTK_STOCK_FILE)
1274 STOCKITEM(wxID_REPLACE, GTK_STOCK_FIND_AND_REPLACE)
1275 STOCKITEM(wxID_BACKWARD, GTK_STOCK_GO_BACK)
1276 STOCKITEM(wxID_DOWN, GTK_STOCK_GO_DOWN)
1277 STOCKITEM(wxID_FORWARD, GTK_STOCK_GO_FORWARD)
1278 STOCKITEM(wxID_UP, GTK_STOCK_GO_UP)
1279 STOCKITEM(wxID_HELP, GTK_STOCK_HELP)
1280 STOCKITEM(wxID_HOME, GTK_STOCK_HOME)
1281 STOCKITEM(wxID_INDENT, GTK_STOCK_INDENT)
1282 STOCKITEM(wxID_INDEX, GTK_STOCK_INDEX)
1283 STOCKITEM(wxID_ITALIC, GTK_STOCK_ITALIC)
1284 STOCKITEM(wxID_JUSTIFY_CENTER, GTK_STOCK_JUSTIFY_CENTER)
1285 STOCKITEM(wxID_JUSTIFY_FILL, GTK_STOCK_JUSTIFY_FILL)
1286 STOCKITEM(wxID_JUSTIFY_LEFT, GTK_STOCK_JUSTIFY_LEFT)
1287 STOCKITEM(wxID_JUSTIFY_RIGHT, GTK_STOCK_JUSTIFY_RIGHT)
1288 STOCKITEM(wxID_NEW, GTK_STOCK_NEW)
1289 STOCKITEM(wxID_NO, GTK_STOCK_NO)
1290 STOCKITEM(wxID_OK, GTK_STOCK_OK)
1291 STOCKITEM(wxID_OPEN, GTK_STOCK_OPEN)
1292 STOCKITEM(wxID_PASTE, GTK_STOCK_PASTE)
1293 STOCKITEM(wxID_PREFERENCES, GTK_STOCK_PREFERENCES)
1294 STOCKITEM(wxID_PRINT, GTK_STOCK_PRINT)
1295 STOCKITEM(wxID_PREVIEW, GTK_STOCK_PRINT_PREVIEW)
1296 STOCKITEM(wxID_PROPERTIES, GTK_STOCK_PROPERTIES)
1297 STOCKITEM(wxID_EXIT, GTK_STOCK_QUIT)
1298 STOCKITEM(wxID_REDO, GTK_STOCK_REDO)
1299 STOCKITEM(wxID_REFRESH, GTK_STOCK_REFRESH)
1300 STOCKITEM(wxID_REMOVE, GTK_STOCK_REMOVE)
1301 STOCKITEM(wxID_REVERT_TO_SAVED, GTK_STOCK_REVERT_TO_SAVED)
1302 STOCKITEM(wxID_SAVE, GTK_STOCK_SAVE)
1303 STOCKITEM(wxID_SAVEAS, GTK_STOCK_SAVE_AS)
1304 STOCKITEM_210(wxID_SELECTALL, GTK_STOCK_SELECT_ALL)
1305 STOCKITEM(wxID_STOP, GTK_STOCK_STOP)
1306 STOCKITEM(wxID_UNDELETE, GTK_STOCK_UNDELETE)
1307 STOCKITEM(wxID_UNDERLINE, GTK_STOCK_UNDERLINE)
1308 STOCKITEM(wxID_UNDO, GTK_STOCK_UNDO)
1309 STOCKITEM(wxID_UNINDENT, GTK_STOCK_UNINDENT)
1310 STOCKITEM(wxID_YES, GTK_STOCK_YES)
1311 STOCKITEM(wxID_ZOOM_100, GTK_STOCK_ZOOM_100)
1312 STOCKITEM(wxID_ZOOM_FIT, GTK_STOCK_ZOOM_FIT)
1313 STOCKITEM(wxID_ZOOM_IN, GTK_STOCK_ZOOM_IN)
1314 STOCKITEM(wxID_ZOOM_OUT, GTK_STOCK_ZOOM_OUT)
1315
1316 default:
1317 break;
1318 };
1319
1320 #undef STOCKITEM
1321
1322 return NULL;
1323 }
1324
1325 #endif // wxUSE_MENUS