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[wxWidgets.git] / src / gtk1 / menu.cpp
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 #ifdef __GNUG__
11 #pragma implementation "menu.h"
12 #pragma implementation "menuitem.h"
13 #endif
14
15 #include "wx/log.h"
16 #include "wx/intl.h"
17 #include "wx/app.h"
18 #include "wx/bitmap.h"
19 #include "wx/menu.h"
20
21 #if wxUSE_ACCEL
22 #include "wx/accel.h"
23 #endif // wxUSE_ACCEL
24
25 #include "wx/gtk/private.h"
26
27 #include <gdk/gdkkeysyms.h>
28
29 // FIXME: is this right? somehow I don't think so (VZ)
30 #ifdef __WXGTK20__
31 #include <glib-object.h>
32
33 #define gtk_accel_group_attach(g, o) _gtk_accel_group_attach((g), (o))
34 #define gtk_accel_group_detach(g, o) _gtk_accel_group_detach((g), (o))
35 #define gtk_menu_ensure_uline_accel_group(m) gtk_menu_get_accel_group(m)
36
37 #define ACCEL_OBJECT GObject
38 #define ACCEL_OBJECTS(a) (a)->acceleratables
39 #define ACCEL_OBJ_CAST(obj) G_OBJECT(obj)
40 #else // GTK+ 1.x
41 #define ACCEL_OBJECT GtkObject
42 #define ACCEL_OBJECTS(a) (a)->attach_objects
43 #define ACCEL_OBJ_CAST(obj) GTK_OBJECT(obj)
44 #endif
45
46 //-----------------------------------------------------------------------------
47 // idle system
48 //-----------------------------------------------------------------------------
49
50 extern void wxapp_install_idle_handler();
51 extern bool g_isIdle;
52
53 #if GTK_CHECK_VERSION(1, 2, 0) && wxUSE_ACCEL
54 static wxString GetHotKey( const wxMenuItem& item );
55 #endif
56
57 //-----------------------------------------------------------------------------
58 // substitute for missing GtkPixmapMenuItem
59 //-----------------------------------------------------------------------------
60
61 // FIXME: I can't make this compile with GTK+ 2.0, disabling for now (VZ)
62 #ifndef __WXGTK20__
63 #define USE_MENU_BITMAPS
64 #endif
65
66 #ifdef USE_MENU_BITMAPS
67
68 #define GTK_TYPE_PIXMAP_MENU_ITEM (gtk_pixmap_menu_item_get_type ())
69 #define GTK_PIXMAP_MENU_ITEM(obj) (GTK_CHECK_CAST ((obj), GTK_TYPE_PIXMAP_MENU_ITEM, GtkPixmapMenuItem))
70 #define GTK_PIXMAP_MENU_ITEM_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_PIXMAP_MENU_ITEM, GtkPixmapMenuItemClass))
71 #define GTK_IS_PIXMAP_MENU_ITEM(obj) (GTK_CHECK_TYPE ((obj), GTK_TYPE_PIXMAP_MENU_ITEM))
72 #define GTK_IS_PIXMAP_MENU_ITEM_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_PIXMAP_MENU_ITEM))
73 //#define GTK_PIXMAP_MENU_ITEM_GET_CLASS(obj) (GTK_CHECK_GET_CLASS ((obj), GTK_TYPE_PIXMAP_MENU_ITEM))
74 #define GTK_PIXMAP_MENU_ITEM_GET_CLASS(obj) (GTK_PIXMAP_MENU_ITEM_CLASS( GTK_OBJECT_GET_CLASS(obj)))
75
76 #ifndef GTK_MENU_ITEM_GET_CLASS
77 #define GTK_MENU_ITEM_GET_CLASS(obj) (GTK_MENU_ITEM_CLASS( GTK_OBJECT_GET_CLASS(obj)))
78 #endif
79
80 typedef struct _GtkPixmapMenuItem GtkPixmapMenuItem;
81 typedef struct _GtkPixmapMenuItemClass GtkPixmapMenuItemClass;
82
83 struct _GtkPixmapMenuItem
84 {
85 GtkMenuItem menu_item;
86
87 GtkWidget *pixmap;
88 };
89
90 struct _GtkPixmapMenuItemClass
91 {
92 GtkMenuItemClass parent_class;
93
94 guint orig_toggle_size;
95 guint have_pixmap_count;
96 };
97
98
99 GtkType gtk_pixmap_menu_item_get_type (void);
100 GtkWidget* gtk_pixmap_menu_item_new (void);
101 void gtk_pixmap_menu_item_set_pixmap (GtkPixmapMenuItem *menu_item,
102 GtkWidget *pixmap);
103
104 #endif // USE_MENU_BITMAPS
105
106 //-----------------------------------------------------------------------------
107 // idle system
108 //-----------------------------------------------------------------------------
109
110 static wxString wxReplaceUnderscore( const wxString& title )
111 {
112 const wxChar *pc;
113
114 /* GTK 1.2 wants to have "_" instead of "&" for accelerators */
115 wxString str;
116 pc = title;
117 while (*pc != wxT('\0'))
118 {
119 if ((*pc == wxT('&')) && (*(pc+1) == wxT('&')))
120 {
121 // "&" is doubled to indicate "&" instead of accelerator
122 ++pc;
123 str << wxT('&');
124 }
125 else if (*pc == wxT('&'))
126 {
127 #if GTK_CHECK_VERSION(1, 2, 0)
128 str << wxT('_');
129 #endif
130 }
131 #if GTK_CHECK_VERSION(2, 0, 0)
132 else if (*pc == wxT('/'))
133 {
134 str << wxT("\\/");
135 }
136 else if (*pc == wxT('\\'))
137 {
138 str << wxT("\\\\");
139 }
140 #elif GTK_CHECK_VERSION(1, 2, 0)
141 else if (*pc == wxT('/'))
142 {
143 str << wxT('\\');
144 }
145 #endif
146 else
147 {
148 #ifdef __WXGTK12__
149 if ( *pc == wxT('_') )
150 {
151 // underscores must be doubled to prevent them from being
152 // interpreted as accelerator character prefix by GTK
153 str << *pc;
154 }
155 #endif // GTK+ 1.2
156
157 str << *pc;
158 }
159 ++pc;
160 }
161 return str;
162 }
163
164 //-----------------------------------------------------------------------------
165 // activate message from GTK
166 //-----------------------------------------------------------------------------
167
168 static void gtk_menu_open_callback( GtkWidget *widget, wxMenu *menu )
169 {
170 if (g_isIdle) wxapp_install_idle_handler();
171
172 wxMenuEvent event( wxEVT_MENU_OPEN, -1, menu );
173 event.SetEventObject( menu );
174
175 wxEvtHandler* handler = menu->GetEventHandler();
176 if (handler && handler->ProcessEvent(event))
177 return;
178
179 wxWindow *win = menu->GetInvokingWindow();
180 if (win) win->GetEventHandler()->ProcessEvent( event );
181 }
182
183 //-----------------------------------------------------------------------------
184 // wxMenuBar
185 //-----------------------------------------------------------------------------
186
187 IMPLEMENT_DYNAMIC_CLASS(wxMenuBar,wxWindow)
188
189 wxMenuBar::wxMenuBar( long style )
190 {
191 /* the parent window is known after wxFrame::SetMenu() */
192 m_needParent = FALSE;
193 m_style = style;
194 m_invokingWindow = (wxWindow*) NULL;
195
196 if (!PreCreation( (wxWindow*) NULL, wxDefaultPosition, wxDefaultSize ) ||
197 !CreateBase( (wxWindow*) NULL, -1, wxDefaultPosition, wxDefaultSize, style, wxDefaultValidator, wxT("menubar") ))
198 {
199 wxFAIL_MSG( wxT("wxMenuBar creation failed") );
200 return;
201 }
202
203 /* GTK 1.2.0 doesn't have gtk_item_factory_get_item(), but GTK 1.2.1 has. */
204 #if GTK_CHECK_VERSION(1, 2, 1)
205 m_accel = gtk_accel_group_new();
206 m_factory = gtk_item_factory_new( GTK_TYPE_MENU_BAR, "<main>", m_accel );
207 m_menubar = gtk_item_factory_get_widget( m_factory, "<main>" );
208 #else
209 m_menubar = gtk_menu_bar_new();
210 #endif
211
212 if (style & wxMB_DOCKABLE)
213 {
214 m_widget = gtk_handle_box_new();
215 gtk_container_add( GTK_CONTAINER(m_widget), GTK_WIDGET(m_menubar) );
216 gtk_widget_show( GTK_WIDGET(m_menubar) );
217 }
218 else
219 {
220 m_widget = GTK_WIDGET(m_menubar);
221 }
222
223 PostCreation();
224
225 ApplyWidgetStyle();
226 }
227
228 wxMenuBar::wxMenuBar()
229 {
230 /* the parent window is known after wxFrame::SetMenu() */
231 m_needParent = FALSE;
232 m_style = 0;
233 m_invokingWindow = (wxWindow*) NULL;
234
235 if (!PreCreation( (wxWindow*) NULL, wxDefaultPosition, wxDefaultSize ) ||
236 !CreateBase( (wxWindow*) NULL, -1, wxDefaultPosition, wxDefaultSize, 0, wxDefaultValidator, wxT("menubar") ))
237 {
238 wxFAIL_MSG( wxT("wxMenuBar creation failed") );
239 return;
240 }
241
242 /* GTK 1.2.0 doesn't have gtk_item_factory_get_item(), but GTK 1.2.1 has. */
243 #if GTK_CHECK_VERSION(1, 2, 1)
244 m_accel = gtk_accel_group_new();
245 m_factory = gtk_item_factory_new( GTK_TYPE_MENU_BAR, "<main>", m_accel );
246 m_menubar = gtk_item_factory_get_widget( m_factory, "<main>" );
247 #else
248 m_menubar = gtk_menu_bar_new();
249 #endif
250
251 m_widget = GTK_WIDGET(m_menubar);
252
253 PostCreation();
254
255 ApplyWidgetStyle();
256 }
257
258 wxMenuBar::~wxMenuBar()
259 {
260 // gtk_object_unref( GTK_OBJECT(m_factory) ); why not ?
261 }
262
263 static void wxMenubarUnsetInvokingWindow( wxMenu *menu, wxWindow *win )
264 {
265 menu->SetInvokingWindow( (wxWindow*) NULL );
266
267 wxWindow *top_frame = win;
268 while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
269 top_frame = top_frame->GetParent();
270
271 /* support for native hot keys */
272 gtk_accel_group_detach( menu->m_accel, ACCEL_OBJ_CAST(top_frame->m_widget) );
273
274 wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
275 while (node)
276 {
277 wxMenuItem *menuitem = node->GetData();
278 if (menuitem->IsSubMenu())
279 wxMenubarUnsetInvokingWindow( menuitem->GetSubMenu(), win );
280 node = node->GetNext();
281 }
282 }
283
284 static void wxMenubarSetInvokingWindow( wxMenu *menu, wxWindow *win )
285 {
286 menu->SetInvokingWindow( win );
287
288 #if GTK_CHECK_VERSION(1, 2, 1)
289 wxWindow *top_frame = win;
290 while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
291 top_frame = top_frame->GetParent();
292
293 /* support for native hot keys */
294 ACCEL_OBJECT *obj = ACCEL_OBJ_CAST(top_frame->m_widget);
295 if ( !g_slist_find( ACCEL_OBJECTS(menu->m_accel), obj ) )
296 gtk_accel_group_attach( menu->m_accel, obj );
297 #endif // GTK+ 1.2.1+
298
299 wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
300 while (node)
301 {
302 wxMenuItem *menuitem = node->GetData();
303 if (menuitem->IsSubMenu())
304 wxMenubarSetInvokingWindow( menuitem->GetSubMenu(), win );
305 node = node->GetNext();
306 }
307 }
308
309 void wxMenuBar::SetInvokingWindow( wxWindow *win )
310 {
311 m_invokingWindow = win;
312 #if GTK_CHECK_VERSION(1, 2, 1)
313 wxWindow *top_frame = win;
314 while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
315 top_frame = top_frame->GetParent();
316
317 /* support for native key accelerators indicated by underscroes */
318 ACCEL_OBJECT *obj = ACCEL_OBJ_CAST(top_frame->m_widget);
319 if ( !g_slist_find( ACCEL_OBJECTS(m_accel), obj ) )
320 gtk_accel_group_attach( m_accel, obj );
321 #endif // GTK+ 1.2.1+
322
323 wxMenuList::compatibility_iterator node = m_menus.GetFirst();
324 while (node)
325 {
326 wxMenu *menu = node->GetData();
327 wxMenubarSetInvokingWindow( menu, win );
328 node = node->GetNext();
329 }
330 }
331
332 void wxMenuBar::UnsetInvokingWindow( wxWindow *win )
333 {
334 m_invokingWindow = (wxWindow*) NULL;
335 #if GTK_CHECK_VERSION(1, 2, 1)
336 wxWindow *top_frame = win;
337 while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
338 top_frame = top_frame->GetParent();
339
340 // support for native key accelerators indicated by underscroes
341 gtk_accel_group_detach( m_accel, ACCEL_OBJ_CAST(top_frame->m_widget) );
342 #endif // GTK+ 1.2.1+
343
344 wxMenuList::compatibility_iterator node = m_menus.GetFirst();
345 while (node)
346 {
347 wxMenu *menu = node->GetData();
348 wxMenubarUnsetInvokingWindow( menu, win );
349 node = node->GetNext();
350 }
351 }
352
353 bool wxMenuBar::Append( wxMenu *menu, const wxString &title )
354 {
355 if ( !wxMenuBarBase::Append( menu, title ) )
356 return FALSE;
357
358 return GtkAppend(menu, title);
359 }
360
361 bool wxMenuBar::GtkAppend(wxMenu *menu, const wxString& title)
362 {
363 wxString str( wxReplaceUnderscore( title ) );
364
365 // This doesn't have much effect right now.
366 menu->SetTitle( str );
367
368 // GTK 1.2.0 doesn't have gtk_item_factory_get_item(), but GTK 1.2.1 has.
369 #if GTK_CHECK_VERSION(1, 2, 1)
370
371 wxString buf;
372 buf << wxT('/') << str.c_str();
373
374 // local buffer in multibyte form
375 char cbuf[400];
376 strcpy(cbuf, wxGTK_CONV(buf) );
377
378 GtkItemFactoryEntry entry;
379 entry.path = (gchar *)cbuf; // const_cast
380 entry.accelerator = (gchar*) NULL;
381 entry.callback = (GtkItemFactoryCallback) NULL;
382 entry.callback_action = 0;
383 entry.item_type = (char *)"<Branch>";
384
385 gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 ); // what is 2 ?
386 // in order to get the pointer to the item we need the item text _without_ underscores
387 wxString tmp = wxT("<main>/");
388 const wxChar *pc;
389 for ( pc = str; *pc != wxT('\0'); pc++ )
390 {
391 // contrary to the common sense, we must throw out _all_ underscores,
392 // (i.e. "Hello__World" => "HelloWorld" and not "Hello_World" as we
393 // might naively think). IMHO it's a bug in GTK+ (VZ)
394 while (*pc == wxT('_'))
395 pc++;
396 tmp << *pc;
397 }
398 menu->m_owner = gtk_item_factory_get_item( m_factory, wxGTK_CONV( tmp ) );
399 gtk_menu_item_set_submenu( GTK_MENU_ITEM(menu->m_owner), menu->m_menu );
400 #else
401
402 menu->m_owner = gtk_menu_item_new_with_label( wxGTK_CONV( str ) );
403 gtk_widget_show( menu->m_owner );
404 gtk_menu_item_set_submenu( GTK_MENU_ITEM(menu->m_owner), menu->m_menu );
405
406 gtk_menu_bar_append( GTK_MENU_BAR(m_menubar), menu->m_owner );
407
408 #endif
409
410 gtk_signal_connect( GTK_OBJECT(menu->m_owner), "activate",
411 GTK_SIGNAL_FUNC(gtk_menu_open_callback),
412 (gpointer)menu );
413
414 // m_invokingWindow is set after wxFrame::SetMenuBar(). This call enables
415 // addings menu later on.
416 if (m_invokingWindow)
417 {
418 wxMenubarSetInvokingWindow( menu, m_invokingWindow );
419
420 // OPTIMISE ME: we should probably cache this, or pass it
421 // directly, but for now this is a minimal
422 // change to validate the new dynamic sizing.
423 // see (and refactor :) similar code in Remove
424 // below.
425
426 wxFrame *frame = wxDynamicCast( m_invokingWindow, wxFrame );
427
428 if( frame )
429 frame->UpdateMenuBarSize();
430 }
431
432 return TRUE;
433 }
434
435 bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title)
436 {
437 if ( !wxMenuBarBase::Insert(pos, menu, title) )
438 return FALSE;
439
440 // GTK+ doesn't have a function to insert a menu using GtkItemFactory (as
441 // of version 1.2.6), so we first append the item and then change its
442 // index
443 if ( !GtkAppend(menu, title) )
444 return FALSE;
445
446 if (pos+1 >= m_menus.GetCount())
447 return TRUE;
448
449 GtkMenuShell *menu_shell = GTK_MENU_SHELL(m_factory->widget);
450 gpointer data = g_list_last(menu_shell->children)->data;
451 menu_shell->children = g_list_remove(menu_shell->children, data);
452 menu_shell->children = g_list_insert(menu_shell->children, data, pos);
453
454 return TRUE;
455 }
456
457 wxMenu *wxMenuBar::Replace(size_t pos, wxMenu *menu, const wxString& title)
458 {
459 // remove the old item and insert a new one
460 wxMenu *menuOld = Remove(pos);
461 if ( menuOld && !Insert(pos, menu, title) )
462 {
463 return (wxMenu*) NULL;
464 }
465
466 // either Insert() succeeded or Remove() failed and menuOld is NULL
467 return menuOld;
468 }
469
470 static wxMenu *CopyMenu (wxMenu *menu)
471 {
472 wxMenu *menucopy = new wxMenu ();
473 wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
474 while (node)
475 {
476 wxMenuItem *item = node->GetData();
477 int itemid = item->GetId();
478 wxString text = item->GetText();
479 text.Replace(wxT("_"), wxT("&"));
480 wxMenu *submenu = item->GetSubMenu();
481 if (!submenu)
482 {
483 wxMenuItem* itemcopy = new wxMenuItem(menucopy,
484 itemid, text,
485 menu->GetHelpString(itemid));
486 itemcopy->SetBitmap(item->GetBitmap());
487 itemcopy->SetCheckable(item->IsCheckable());
488 menucopy->Append(itemcopy);
489 }
490 else
491 menucopy->Append (itemid, text, CopyMenu(submenu),
492 menu->GetHelpString(itemid));
493
494 node = node->GetNext();
495 }
496
497 return menucopy;
498 }
499
500 wxMenu *wxMenuBar::Remove(size_t pos)
501 {
502 wxMenu *menu = wxMenuBarBase::Remove(pos);
503 if ( !menu )
504 return (wxMenu*) NULL;
505
506 /*
507 GtkMenuShell *menu_shell = GTK_MENU_SHELL(m_factory->widget);
508
509 printf( "factory entries before %d\n", (int)g_slist_length(m_factory->items) );
510 printf( "menu shell entries before %d\n", (int)g_list_length( menu_shell->children ) );
511 */
512
513 wxMenu *menucopy = CopyMenu( menu );
514
515 // unparent calls unref() and that would delete the widget so we raise
516 // the ref count to 2 artificially before invoking unparent.
517 gtk_widget_ref( menu->m_menu );
518 gtk_widget_unparent( menu->m_menu );
519
520 gtk_widget_destroy( menu->m_owner );
521 delete menu;
522
523 menu = menucopy;
524 /*
525 printf( "factory entries after %d\n", (int)g_slist_length(m_factory->items) );
526 printf( "menu shell entries after %d\n", (int)g_list_length( menu_shell->children ) );
527 */
528
529 if (m_invokingWindow)
530 {
531 // OPTIMISE ME: see comment in GtkAppend
532
533 wxFrame *frame = wxDynamicCast( m_invokingWindow, wxFrame );
534
535 if( frame )
536 frame->UpdateMenuBarSize();
537 }
538
539 return menu;
540 }
541
542 static int FindMenuItemRecursive( const wxMenu *menu, const wxString &menuString, const wxString &itemString )
543 {
544 if (wxMenuItem::GetLabelFromText(menu->GetTitle()) == wxMenuItem::GetLabelFromText(menuString))
545 {
546 int res = menu->FindItem( itemString );
547 if (res != wxNOT_FOUND)
548 return res;
549 }
550
551 wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
552 while (node)
553 {
554 wxMenuItem *item = node->GetData();
555 if (item->IsSubMenu())
556 return FindMenuItemRecursive(item->GetSubMenu(), menuString, itemString);
557
558 node = node->GetNext();
559 }
560
561 return wxNOT_FOUND;
562 }
563
564 int wxMenuBar::FindMenuItem( const wxString &menuString, const wxString &itemString ) const
565 {
566 wxMenuList::compatibility_iterator node = m_menus.GetFirst();
567 while (node)
568 {
569 wxMenu *menu = node->GetData();
570 int res = FindMenuItemRecursive( menu, menuString, itemString);
571 if (res != -1)
572 return res;
573 node = node->GetNext();
574 }
575
576 return wxNOT_FOUND;
577 }
578
579 // Find a wxMenuItem using its id. Recurses down into sub-menus
580 static wxMenuItem* FindMenuItemByIdRecursive(const wxMenu* menu, int id)
581 {
582 wxMenuItem* result = menu->FindChildItem(id);
583
584 wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
585 while ( node && result == NULL )
586 {
587 wxMenuItem *item = node->GetData();
588 if (item->IsSubMenu())
589 {
590 result = FindMenuItemByIdRecursive( item->GetSubMenu(), id );
591 }
592 node = node->GetNext();
593 }
594
595 return result;
596 }
597
598 wxMenuItem* wxMenuBar::FindItem( int id, wxMenu **menuForItem ) const
599 {
600 wxMenuItem* result = 0;
601 wxMenuList::compatibility_iterator node = m_menus.GetFirst();
602 while (node && result == 0)
603 {
604 wxMenu *menu = node->GetData();
605 result = FindMenuItemByIdRecursive( menu, id );
606 node = node->GetNext();
607 }
608
609 if ( menuForItem )
610 {
611 *menuForItem = result ? result->GetMenu() : (wxMenu *)NULL;
612 }
613
614 return result;
615 }
616
617 void wxMenuBar::EnableTop( size_t pos, bool flag )
618 {
619 wxMenuList::compatibility_iterator node = m_menus.Item( pos );
620
621 wxCHECK_RET( node, wxT("menu not found") );
622
623 wxMenu* menu = node->GetData();
624
625 if (menu->m_owner)
626 gtk_widget_set_sensitive( menu->m_owner, flag );
627 }
628
629 wxString wxMenuBar::GetLabelTop( size_t pos ) const
630 {
631 wxMenuList::compatibility_iterator node = m_menus.Item( pos );
632
633 wxCHECK_MSG( node, wxT("invalid"), wxT("menu not found") );
634
635 wxMenu* menu = node->GetData();
636
637 wxString label;
638 wxString text( menu->GetTitle() );
639 for ( const wxChar *pc = text.c_str(); *pc; pc++ )
640 {
641 if ( *pc == wxT('_') )
642 {
643 // '_' is the escape character for GTK+
644 continue;
645 }
646
647 // don't remove ampersands '&' since if we have them in the menu title
648 // it means that they were doubled to indicate "&" instead of accelerator
649
650 label += *pc;
651 }
652
653 return label;
654 }
655
656 void wxMenuBar::SetLabelTop( size_t pos, const wxString& label )
657 {
658 wxMenuList::compatibility_iterator node = m_menus.Item( pos );
659
660 wxCHECK_RET( node, wxT("menu not found") );
661
662 wxMenu* menu = node->GetData();
663
664 wxString str( wxReplaceUnderscore( label ) );
665
666 menu->SetTitle( str );
667
668 if (menu->m_owner)
669 {
670 GtkLabel *label = GTK_LABEL( GTK_BIN(menu->m_owner)->child );
671
672 /* set new text */
673 gtk_label_set( label, wxGTK_CONV( str ) );
674
675 /* reparse key accel */
676 (void)gtk_label_parse_uline (GTK_LABEL(label), wxGTK_CONV( str ) );
677 gtk_accel_label_refetch( GTK_ACCEL_LABEL(label) );
678 }
679
680 }
681
682 //-----------------------------------------------------------------------------
683 // "activate"
684 //-----------------------------------------------------------------------------
685
686 static void gtk_menu_clicked_callback( GtkWidget *widget, wxMenu *menu )
687 {
688 if (g_isIdle)
689 wxapp_install_idle_handler();
690
691 int id = menu->FindMenuIdByMenuItem(widget);
692
693 /* should find it for normal (not popup) menu */
694 wxASSERT_MSG( (id != -1) || (menu->GetInvokingWindow() != NULL),
695 _T("menu item not found in gtk_menu_clicked_callback") );
696
697 if (!menu->IsEnabled(id))
698 return;
699
700 wxMenuItem* item = menu->FindChildItem( id );
701 wxCHECK_RET( item, wxT("error in menu item callback") );
702
703 if (item->IsCheckable())
704 {
705 bool isReallyChecked = item->IsChecked(),
706 isInternallyChecked = item->wxMenuItemBase::IsChecked();
707
708 // ensure that the internal state is always consistent with what is
709 // shown on the screen
710 item->wxMenuItemBase::Check(isReallyChecked);
711
712 // we must not report the events for the radio button going up nor the
713 // events resulting from the calls to wxMenuItem::Check()
714 if ( (item->GetKind() == wxITEM_RADIO && !isReallyChecked) ||
715 (isInternallyChecked == isReallyChecked) )
716 {
717 return;
718 }
719 }
720
721
722 // Is this menu on a menubar? (possibly nested)
723 wxFrame* frame = NULL;
724 wxMenu* pm = menu;
725 while ( pm && !frame )
726 {
727 if ( pm->IsAttached() )
728 frame = pm->GetMenuBar()->GetFrame();
729 pm = pm->GetParent();
730 }
731
732 if (frame)
733 {
734 // If it is attached then let the frame send the event.
735 // Don't call frame->ProcessCommand(id) because it toggles
736 // checkable items and we've already done that above.
737 wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, id);
738 commandEvent.SetEventObject(frame);
739 if (item->IsCheckable())
740 commandEvent.SetInt(item->IsChecked());
741
742 frame->GetEventHandler()->ProcessEvent(commandEvent);
743 }
744 else
745 {
746 // otherwise let the menu have it
747 menu->SendEvent(id, item->IsCheckable() ? item->IsChecked() : -1);
748 }
749 }
750
751 //-----------------------------------------------------------------------------
752 // "select"
753 //-----------------------------------------------------------------------------
754
755 static void gtk_menu_hilight_callback( GtkWidget *widget, wxMenu *menu )
756 {
757 if (g_isIdle) wxapp_install_idle_handler();
758
759 int id = menu->FindMenuIdByMenuItem(widget);
760
761 wxASSERT( id != -1 ); // should find it!
762
763 if (!menu->IsEnabled(id))
764 return;
765
766 wxMenuEvent event( wxEVT_MENU_HIGHLIGHT, id );
767 event.SetEventObject( menu );
768
769 wxEvtHandler* handler = menu->GetEventHandler();
770 if (handler && handler->ProcessEvent(event))
771 return;
772
773 wxWindow *win = menu->GetInvokingWindow();
774 if (win) win->GetEventHandler()->ProcessEvent( event );
775 }
776
777 //-----------------------------------------------------------------------------
778 // "deselect"
779 //-----------------------------------------------------------------------------
780
781 static void gtk_menu_nolight_callback( GtkWidget *widget, wxMenu *menu )
782 {
783 if (g_isIdle) wxapp_install_idle_handler();
784
785 int id = menu->FindMenuIdByMenuItem(widget);
786
787 wxASSERT( id != -1 ); // should find it!
788
789 if (!menu->IsEnabled(id))
790 return;
791
792 wxMenuEvent event( wxEVT_MENU_HIGHLIGHT, -1 );
793 event.SetEventObject( menu );
794
795 wxEvtHandler* handler = menu->GetEventHandler();
796 if (handler && handler->ProcessEvent(event))
797 return;
798
799 wxWindow *win = menu->GetInvokingWindow();
800 if (win)
801 win->GetEventHandler()->ProcessEvent( event );
802 }
803
804 //-----------------------------------------------------------------------------
805 // wxMenuItem
806 //-----------------------------------------------------------------------------
807
808 IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject)
809
810 wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu,
811 int id,
812 const wxString& name,
813 const wxString& help,
814 wxItemKind kind,
815 wxMenu *subMenu)
816 {
817 return new wxMenuItem(parentMenu, id, name, help, kind, subMenu);
818 }
819
820 wxMenuItem::wxMenuItem(wxMenu *parentMenu,
821 int id,
822 const wxString& text,
823 const wxString& help,
824 wxItemKind kind,
825 wxMenu *subMenu)
826 : wxMenuItemBase(parentMenu, id, text, help, kind, subMenu)
827 {
828 Init(text);
829 }
830
831 wxMenuItem::wxMenuItem(wxMenu *parentMenu,
832 int id,
833 const wxString& text,
834 const wxString& help,
835 bool isCheckable,
836 wxMenu *subMenu)
837 : wxMenuItemBase(parentMenu, id, text, help,
838 isCheckable ? wxITEM_CHECK : wxITEM_NORMAL, subMenu)
839 {
840 Init(text);
841 }
842
843 void wxMenuItem::Init(const wxString& text)
844 {
845 m_labelWidget = (GtkWidget *) NULL;
846 m_menuItem = (GtkWidget *) NULL;
847
848 DoSetText(text);
849 }
850
851 wxMenuItem::~wxMenuItem()
852 {
853 // don't delete menu items, the menus take care of that
854 }
855
856 // return the menu item text without any menu accels
857 /* static */
858 wxString wxMenuItemBase::GetLabelFromText(const wxString& text)
859 {
860 wxString label;
861
862 for ( const wxChar *pc = text.c_str(); *pc; pc++ )
863 {
864 if ( *pc == wxT('_') )
865 {
866 // GTK 1.2 escapes "xxx_xxx" to "xxx__xxx"
867 pc++;
868 label += *pc;
869 continue;
870 }
871
872 #if GTK_CHECK_VERSION(2, 0, 0)
873 if ( *pc == wxT('\\') )
874 {
875 // GTK 2.0 escapes "xxx/xxx" to "xxx\/xxx"
876 pc++;
877 label += *pc;
878 continue;
879 }
880 #endif
881
882 if ( (*pc == wxT('&')) && (*(pc+1) != wxT('&')) )
883 {
884 // wxMSW escapes "&"
885 // "&" is doubled to indicate "&" instead of accelerator
886 continue;
887 }
888
889 label += *pc;
890 }
891
892 // wxPrintf( L"text %s label %s\n", text.c_str(), label.c_str() );
893
894 return label;
895 }
896
897 void wxMenuItem::SetText( const wxString& str )
898 {
899 // Some optimization to avoid flicker
900 wxString oldLabel = m_text;
901 oldLabel = wxStripMenuCodes(oldLabel.BeforeFirst('\t'));
902 oldLabel.Replace(wxT("_"), wxT(""));
903 wxString label1 = wxStripMenuCodes(str.BeforeFirst('\t'));
904 if (oldLabel == label1)
905 return;
906
907 DoSetText(str);
908
909 if (m_menuItem)
910 {
911 GtkLabel *label;
912 if (m_labelWidget)
913 label = (GtkLabel*) m_labelWidget;
914 else
915 label = GTK_LABEL( GTK_BIN(m_menuItem)->child );
916
917 #if GTK_CHECK_VERSION(2, 0, 0)
918 // We have to imitate item_factory_unescape_label here
919 wxString tmp;
920 for (size_t n = 0; n < m_text.Len(); n++)
921 {
922 if (m_text[n] != wxT('\\'))
923 tmp += m_text[n];
924 }
925
926 gtk_label_set_text_with_mnemonic( GTK_LABEL(label), wxGTK_CONV(tmp) );
927 #else
928 // set new text
929 gtk_label_set( label, wxGTK_CONV( m_text ) );
930
931 // reparse key accel
932 (void)gtk_label_parse_uline (GTK_LABEL(label), wxGTK_CONV(m_text) );
933 gtk_accel_label_refetch( GTK_ACCEL_LABEL(label) );
934 #endif
935 }
936 }
937
938 // it's valid for this function to be called even if m_menuItem == NULL
939 void wxMenuItem::DoSetText( const wxString& str )
940 {
941 // '\t' is the deliminator indicating a hot key
942 m_text.Empty();
943 const wxChar *pc = str;
944 while ( (*pc != wxT('\0')) && (*pc != wxT('\t')) )
945 {
946 if ((*pc == wxT('&')) && (*(pc+1) == wxT('&')))
947 {
948 // "&" is doubled to indicate "&" instead of accelerator
949 ++pc;
950 m_text << wxT('&');
951 }
952 else if (*pc == wxT('&'))
953 {
954 m_text << wxT('_');
955 }
956 #if GTK_CHECK_VERSION(2, 0, 0)
957 else if ( *pc == wxT('_') ) // escape underscores
958 {
959 // m_text << wxT("__"); doesn't work
960 m_text << wxT("__");
961 }
962 else if (*pc == wxT('/')) // we have to escape slashes
963 {
964 m_text << wxT("\\/");
965 }
966 else if (*pc == wxT('\\')) // we have to double backslashes
967 {
968 m_text << wxT("\\\\");
969 }
970 #else
971 else if ( *pc == wxT('_') ) // escape underscores
972 {
973 m_text << wxT("__");
974 }
975 else if (*pc == wxT('/')) /* we have to filter out slashes ... */
976 {
977 m_text << wxT('\\'); /* ... and replace them with back slashes */
978 }
979 #endif
980 else {
981 m_text << *pc;
982 }
983 ++pc;
984 }
985
986 // wxPrintf( L"str %s m_text %s\n", str.c_str(), m_text.c_str() );
987
988 m_hotKey = wxT("");
989
990 if(*pc == wxT('\t'))
991 {
992 pc++;
993 m_hotKey = pc;
994 }
995 }
996
997 #if wxUSE_ACCEL
998
999 wxAcceleratorEntry *wxMenuItem::GetAccel() const
1000 {
1001 if ( !GetHotKey() )
1002 {
1003 // nothing
1004 return (wxAcceleratorEntry *)NULL;
1005 }
1006
1007 // as wxGetAccelFromString() looks for TAB, insert a dummy one here
1008 wxString label;
1009 label << wxT('\t') << GetHotKey();
1010
1011 return wxGetAccelFromString(label);
1012 }
1013
1014 #endif // wxUSE_ACCEL
1015
1016 void wxMenuItem::Check( bool check )
1017 {
1018 wxCHECK_RET( m_menuItem, wxT("invalid menu item") );
1019
1020 if (check == m_isChecked)
1021 return;
1022
1023 wxMenuItemBase::Check( check );
1024
1025 switch ( GetKind() )
1026 {
1027 case wxITEM_CHECK:
1028 case wxITEM_RADIO:
1029 gtk_check_menu_item_set_state( (GtkCheckMenuItem*)m_menuItem, (gint)check );
1030 break;
1031
1032 default:
1033 wxFAIL_MSG( _T("can't check this item") );
1034 }
1035 }
1036
1037 void wxMenuItem::Enable( bool enable )
1038 {
1039 wxCHECK_RET( m_menuItem, wxT("invalid menu item") );
1040
1041 gtk_widget_set_sensitive( m_menuItem, enable );
1042 wxMenuItemBase::Enable( enable );
1043 }
1044
1045 bool wxMenuItem::IsChecked() const
1046 {
1047 wxCHECK_MSG( m_menuItem, FALSE, wxT("invalid menu item") );
1048
1049 wxCHECK_MSG( IsCheckable(), FALSE,
1050 wxT("can't get state of uncheckable item!") );
1051
1052 return ((GtkCheckMenuItem*)m_menuItem)->active != 0;
1053 }
1054
1055 wxString wxMenuItem::GetFactoryPath() const
1056 {
1057 // In order to get the pointer to the item we need the item
1058 // text _without_ underscores in GTK 1.2
1059 wxString path( wxT("<main>/") );
1060
1061 for ( const wxChar *pc = m_text.c_str(); *pc; pc++ )
1062 {
1063 if ( *pc == wxT('_') )
1064 {
1065 #ifdef __WXGTK20__
1066 pc++;
1067 #else
1068 // remove '_' unconditionally
1069 continue;
1070 #endif
1071 }
1072
1073 // don't remove ampersands '&' since if we have them in the menu item title
1074 // it means that they were doubled to indicate "&" instead of accelerator
1075
1076 path += *pc;
1077 }
1078
1079 return path;
1080 }
1081
1082 //-----------------------------------------------------------------------------
1083 // wxMenu
1084 //-----------------------------------------------------------------------------
1085
1086 IMPLEMENT_DYNAMIC_CLASS(wxMenu,wxEvtHandler)
1087
1088 void wxMenu::Init()
1089 {
1090 m_accel = gtk_accel_group_new();
1091 m_factory = gtk_item_factory_new( GTK_TYPE_MENU, "<main>", m_accel );
1092 m_menu = gtk_item_factory_get_widget( m_factory, "<main>" );
1093
1094 m_owner = (GtkWidget*) NULL;
1095
1096 // Tearoffs are entries, just like separators. So if we want this
1097 // menu to be a tear-off one, we just append a tearoff entry
1098 // immediately.
1099 if(m_style & wxMENU_TEAROFF)
1100 {
1101 GtkItemFactoryEntry entry;
1102 entry.path = (char *)"/tearoff";
1103 entry.callback = (GtkItemFactoryCallback) NULL;
1104 entry.callback_action = 0;
1105 entry.item_type = (char *)"<Tearoff>";
1106 entry.accelerator = (gchar*) NULL;
1107 gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 ); // what is 2 ?
1108 //GtkWidget *menuItem = gtk_item_factory_get_widget( m_factory, "<main>/tearoff" );
1109 }
1110
1111 // append the title as the very first entry if we have it
1112 if ( !!m_title )
1113 {
1114 Append(-2, m_title);
1115 AppendSeparator();
1116 }
1117 }
1118
1119 wxMenu::~wxMenu()
1120 {
1121 WX_CLEAR_LIST(wxMenuItemList, m_items);
1122
1123 if ( GTK_IS_WIDGET( m_menu ))
1124 gtk_widget_destroy( m_menu );
1125
1126 gtk_object_unref( GTK_OBJECT(m_factory) );
1127 }
1128
1129 bool wxMenu::GtkAppend(wxMenuItem *mitem)
1130 {
1131 GtkWidget *menuItem;
1132
1133 #if defined(USE_MENU_BITMAPS) || !GTK_CHECK_VERSION(1, 2, 0)
1134 bool appended = FALSE;
1135 #endif
1136
1137 // does this item terminate the current radio group?
1138 bool endOfRadioGroup = TRUE;
1139
1140 if ( mitem->IsSeparator() )
1141 {
1142 GtkItemFactoryEntry entry;
1143 entry.path = (char *)"/sep";
1144 entry.callback = (GtkItemFactoryCallback) NULL;
1145 entry.callback_action = 0;
1146 entry.item_type = (char *)"<Separator>";
1147 entry.accelerator = (gchar*) NULL;
1148
1149 gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 ); // what is 2 ?
1150
1151 // this will be wrong for more than one separator. do we care?
1152 menuItem = gtk_item_factory_get_widget( m_factory, "<main>/sep" );
1153
1154 // we might have a separator inside a radio group
1155 endOfRadioGroup = FALSE;
1156 }
1157 else if ( mitem->IsSubMenu() )
1158 {
1159 // text has "_" instead of "&" after mitem->SetText()
1160 wxString text( mitem->GetText() );
1161
1162 // local buffer in multibyte form
1163 char buf[200];
1164 strcpy( buf, "/" );
1165 strcat( buf, wxGTK_CONV( text ) );
1166
1167 GtkItemFactoryEntry entry;
1168 entry.path = buf;
1169 entry.callback = (GtkItemFactoryCallback) 0;
1170 entry.callback_action = 0;
1171 entry.item_type = (char *)"<Branch>";
1172 entry.accelerator = (gchar*) NULL;
1173
1174 gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 ); // what is 2 ?
1175
1176 wxString path( mitem->GetFactoryPath() );
1177 menuItem = gtk_item_factory_get_item( m_factory, wxGTK_CONV( path ) );
1178
1179 gtk_menu_item_set_submenu( GTK_MENU_ITEM(menuItem), mitem->GetSubMenu()->m_menu );
1180
1181 // if adding a submenu to a menu already existing in the menu bar, we
1182 // must set invoking window to allow processing events from this
1183 // submenu
1184 if ( m_invokingWindow )
1185 wxMenubarSetInvokingWindow(mitem->GetSubMenu(), m_invokingWindow);
1186 }
1187 #ifdef USE_MENU_BITMAPS
1188 else if (mitem->GetBitmap().Ok()) // An item with bitmap
1189 {
1190 wxString text( mitem->GetText() );
1191 const wxBitmap *bitmap = &mitem->GetBitmap();
1192
1193 menuItem = gtk_pixmap_menu_item_new ();
1194 GtkWidget *label = gtk_accel_label_new ( wxGTK_CONV( text ) );
1195 gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
1196 gtk_container_add (GTK_CONTAINER (menuItem), label);
1197 gtk_accel_label_set_accel_widget (GTK_ACCEL_LABEL (label), menuItem);
1198 guint accel_key;
1199 GdkModifierType accel_mods;
1200
1201 // accelerator for the item, as specified by its label
1202 // (ex. Ctrl+O for open)
1203 gtk_accelerator_parse(GetHotKey(*mitem).c_str(),
1204 &accel_key, &accel_mods);
1205 if (accel_key != GDK_VoidSymbol)
1206 {
1207 gtk_widget_add_accelerator (menuItem,
1208 "activate_item",
1209 gtk_menu_get_accel_group(
1210 GTK_MENU(m_menu)),
1211 accel_key, accel_mods,
1212 GTK_ACCEL_VISIBLE);
1213 }
1214
1215 // accelerator for the underlined char (ex ALT+F for the File menu)
1216 accel_key = gtk_label_parse_uline (GTK_LABEL(label), wxGTK_CONV( text ) );
1217 if (accel_key != GDK_VoidSymbol)
1218 {
1219 gtk_widget_add_accelerator (menuItem,
1220 "activate_item",
1221 gtk_menu_ensure_uline_accel_group (
1222 GTK_MENU (m_menu)),
1223 accel_key, 0,
1224 GTK_ACCEL_LOCKED);
1225 }
1226
1227 gtk_widget_show (label);
1228
1229 mitem->SetLabelWidget(label);
1230
1231 GtkWidget* pixmap = gtk_pixmap_new( bitmap->GetPixmap(), bitmap->GetMask() ? bitmap->GetMask()->GetBitmap() : (GdkBitmap* )NULL);
1232 gtk_widget_show(pixmap);
1233 gtk_pixmap_menu_item_set_pixmap(GTK_PIXMAP_MENU_ITEM( menuItem ), pixmap);
1234
1235 gtk_signal_connect( GTK_OBJECT(menuItem), "activate",
1236 GTK_SIGNAL_FUNC(gtk_menu_clicked_callback),
1237 (gpointer)this );
1238
1239 gtk_menu_append( GTK_MENU(m_menu), menuItem );
1240
1241 gtk_widget_show( menuItem );
1242
1243 appended = TRUE; // We've done this, don't do it again
1244 }
1245 #endif // USE_MENU_BITMAPS
1246 else // a normal item
1247 {
1248 // text has "_" instead of "&" after mitem->SetText() so don't use it
1249 wxString text( mitem->GetText() );
1250
1251 // buffers containing the menu item path and type in multibyte form
1252 char bufPath[256],
1253 bufType[256];
1254
1255 strcpy( bufPath, "/" );
1256 strncat( bufPath, wxGTK_CONV(text), WXSIZEOF(bufPath) - 2 );
1257 bufPath[WXSIZEOF(bufPath) - 1] = '\0';
1258
1259 GtkItemFactoryEntry entry;
1260 entry.path = bufPath;
1261 entry.callback = (GtkItemFactoryCallback) gtk_menu_clicked_callback;
1262 entry.callback_action = 0;
1263
1264 wxString pathRadio;
1265 const char *item_type;
1266 switch ( mitem->GetKind() )
1267 {
1268 case wxITEM_CHECK:
1269 item_type = "<CheckItem>";
1270 break;
1271
1272 case wxITEM_RADIO:
1273 if ( m_pathLastRadio.empty() )
1274 {
1275 // start of a new radio group
1276 item_type = "<RadioItem>";
1277 wxString tmp( wxGTK_CONV_BACK( bufPath ) );
1278 tmp.Remove(0,1);
1279 m_pathLastRadio = tmp;
1280 }
1281 else // continue the radio group
1282 {
1283 pathRadio = m_pathLastRadio;
1284 pathRadio.Replace(wxT("_"), wxT(""));
1285 pathRadio.Prepend(wxT("<main>/"));
1286
1287 strncpy(bufType, wxGTK_CONV(pathRadio), WXSIZEOF(bufType));
1288 bufType[WXSIZEOF(bufType) - 1] = '\0';
1289 item_type = bufType;
1290 }
1291
1292 // continue the existing radio group, if any
1293 endOfRadioGroup = FALSE;
1294 break;
1295
1296 default:
1297 wxFAIL_MSG( _T("unexpected menu item kind") );
1298 // fall through
1299
1300 case wxITEM_NORMAL:
1301 item_type = "<Item>";
1302 break;
1303 }
1304
1305 entry.item_type = (char *)item_type; // cast needed for GTK+
1306 entry.accelerator = (gchar*) NULL;
1307
1308 #if wxUSE_ACCEL
1309 // due to an apparent bug in GTK+, we have to use a static buffer here -
1310 // otherwise GTK+ 1.2.2 manages to override the memory we pass to it
1311 // somehow! (VZ)
1312 char s_accel[50]; // should be big enough, we check for overruns
1313 wxString tmp( GetHotKey(*mitem) );
1314 strncpy(s_accel, wxGTK_CONV( tmp ), WXSIZEOF(s_accel));
1315 s_accel[WXSIZEOF(s_accel) - 1] = '\0';
1316 entry.accelerator = s_accel;
1317 #else // !wxUSE_ACCEL
1318 entry.accelerator = (char*) NULL;
1319 #endif // wxUSE_ACCEL/!wxUSE_ACCEL
1320
1321 gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 ); /* what is 2 ? */
1322
1323 wxString path( mitem->GetFactoryPath() );
1324 menuItem = gtk_item_factory_get_widget( m_factory, wxGTK_CONV( path ) );
1325
1326 if (!menuItem)
1327 wxLogError( wxT("Wrong menu path: %s\n"), path.c_str() );
1328 }
1329
1330 if ( !mitem->IsSeparator() )
1331 {
1332 wxASSERT_MSG( menuItem, wxT("invalid menuitem") );
1333
1334 gtk_signal_connect( GTK_OBJECT(menuItem), "select",
1335 GTK_SIGNAL_FUNC(gtk_menu_hilight_callback),
1336 (gpointer)this );
1337
1338 gtk_signal_connect( GTK_OBJECT(menuItem), "deselect",
1339 GTK_SIGNAL_FUNC(gtk_menu_nolight_callback),
1340 (gpointer)this );
1341 }
1342
1343 mitem->SetMenuItem(menuItem);
1344
1345 if ( endOfRadioGroup )
1346 {
1347 m_pathLastRadio.clear();
1348 }
1349
1350 return TRUE;
1351 }
1352
1353 bool wxMenu::DoAppend(wxMenuItem *mitem)
1354 {
1355 return GtkAppend(mitem) && wxMenuBase::DoAppend(mitem);
1356 }
1357
1358 bool wxMenu::DoInsert(size_t pos, wxMenuItem *item)
1359 {
1360 if ( !wxMenuBase::DoInsert(pos, item) )
1361 return FALSE;
1362
1363 // GTK+ doesn't have a function to insert a menu using GtkItemFactory (as
1364 // of version 1.2.6), so we first append the item and then change its
1365 // index
1366 if ( !GtkAppend(item) )
1367 return FALSE;
1368
1369 if ( m_style & wxMENU_TEAROFF )
1370 {
1371 // change the position as the first item is the tear-off marker
1372 pos++;
1373 }
1374
1375 GtkMenuShell *menu_shell = GTK_MENU_SHELL(m_factory->widget);
1376 gpointer data = g_list_last(menu_shell->children)->data;
1377 menu_shell->children = g_list_remove(menu_shell->children, data);
1378 menu_shell->children = g_list_insert(menu_shell->children, data, pos);
1379
1380 return TRUE;
1381 }
1382
1383 wxMenuItem *wxMenu::DoRemove(wxMenuItem *item)
1384 {
1385 if ( !wxMenuBase::DoRemove(item) )
1386 return (wxMenuItem *)NULL;
1387
1388 // TODO: this code doesn't delete the item factory item and this seems
1389 // impossible as of GTK 1.2.6.
1390 gtk_widget_destroy( item->GetMenuItem() );
1391
1392 return item;
1393 }
1394
1395 int wxMenu::FindMenuIdByMenuItem( GtkWidget *menuItem ) const
1396 {
1397 wxMenuItemList::compatibility_iterator node = m_items.GetFirst();
1398 while (node)
1399 {
1400 wxMenuItem *item = node->GetData();
1401 if (item->GetMenuItem() == menuItem)
1402 return item->GetId();
1403 node = node->GetNext();
1404 }
1405
1406 return wxNOT_FOUND;
1407 }
1408
1409 // ----------------------------------------------------------------------------
1410 // helpers
1411 // ----------------------------------------------------------------------------
1412
1413 #if GTK_CHECK_VERSION(1, 2, 0) && wxUSE_ACCEL
1414
1415 static wxString GetHotKey( const wxMenuItem& item )
1416 {
1417 wxString hotkey;
1418
1419 wxAcceleratorEntry *accel = item.GetAccel();
1420 if ( accel )
1421 {
1422 int flags = accel->GetFlags();
1423 if ( flags & wxACCEL_ALT )
1424 hotkey += wxT("<alt>");
1425 if ( flags & wxACCEL_CTRL )
1426 hotkey += wxT("<control>");
1427 if ( flags & wxACCEL_SHIFT )
1428 hotkey += wxT("<shift>");
1429
1430 int code = accel->GetKeyCode();
1431 switch ( code )
1432 {
1433 case WXK_F1:
1434 case WXK_F2:
1435 case WXK_F3:
1436 case WXK_F4:
1437 case WXK_F5:
1438 case WXK_F6:
1439 case WXK_F7:
1440 case WXK_F8:
1441 case WXK_F9:
1442 case WXK_F10:
1443 case WXK_F11:
1444 case WXK_F12:
1445 hotkey << wxT('F') << code - WXK_F1 + 1;
1446 break;
1447
1448 // TODO: we should use gdk_keyval_name() (a.k.a.
1449 // XKeysymToString) here as well as hardcoding the keysym
1450 // names this might be not portable
1451 case WXK_NUMPAD_INSERT:
1452 hotkey << wxT("KP_Insert" );
1453 break;
1454 case WXK_NUMPAD_DELETE:
1455 hotkey << wxT("KP_Delete" );
1456 break;
1457 case WXK_INSERT:
1458 hotkey << wxT("Insert" );
1459 break;
1460 case WXK_DELETE:
1461 hotkey << wxT("Delete" );
1462 break;
1463 case WXK_UP:
1464 hotkey << wxT("Up" );
1465 break;
1466 case WXK_DOWN:
1467 hotkey << wxT("Down" );
1468 break;
1469 case WXK_PAGEUP:
1470 hotkey << wxT("Prior" );
1471 break;
1472 case WXK_PAGEDOWN:
1473 hotkey << wxT("Next" );
1474 break;
1475 case WXK_LEFT:
1476 hotkey << wxT("Left" );
1477 break;
1478 case WXK_RIGHT:
1479 hotkey << wxT("Right" );
1480 break;
1481 case WXK_HOME:
1482 hotkey << wxT("Home" );
1483 break;
1484 case WXK_END:
1485 hotkey << wxT("End" );
1486 break;
1487 case WXK_RETURN:
1488 hotkey << wxT("Return" );
1489 break;
1490
1491 // if there are any other keys wxGetAccelFromString() may
1492 // return, we should process them here
1493
1494 default:
1495 if ( code < 127 )
1496 {
1497 wxString name = wxGTK_CONV_BACK( gdk_keyval_name((guint)code) );
1498 if ( name )
1499 {
1500 hotkey << name;
1501 break;
1502 }
1503 }
1504
1505 wxFAIL_MSG( wxT("unknown keyboard accel") );
1506 }
1507
1508 delete accel;
1509 }
1510
1511 return hotkey;
1512 }
1513
1514 #endif // wxUSE_ACCEL
1515
1516
1517 //-----------------------------------------------------------------------------
1518 // substitute for missing GtkPixmapMenuItem
1519 //-----------------------------------------------------------------------------
1520
1521 #ifdef USE_MENU_BITMAPS
1522
1523 /*
1524 * Copyright (C) 1998, 1999, 2000 Free Software Foundation
1525 * All rights reserved.
1526 *
1527 * This file is part of the Gnome Library.
1528 *
1529 * The Gnome Library is free software; you can redistribute it and/or
1530 * modify it under the terms of the GNU Library General Public License as
1531 * published by the Free Software Foundation; either version 2 of the
1532 * License, or (at your option) any later version.
1533 *
1534 * The Gnome Library is distributed in the hope that it will be useful,
1535 * but WITHOUT ANY WARRANTY; without even the implied warranty of
1536 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
1537 * Library General Public License for more details.
1538 *
1539 * You should have received a copy of the GNU Library General Public
1540 * License along with the Gnome Library; see the file COPYING.LIB. If not,
1541 * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
1542 * Boston, MA 02111-1307, USA.
1543 */
1544 /*
1545 @NOTATION@
1546 */
1547
1548 /* Author: Dietmar Maurer <dm@vlsivie.tuwien.ac.at> */
1549
1550 #include <gtk/gtkaccellabel.h>
1551 #include <gtk/gtksignal.h>
1552 #include <gtk/gtkmenuitem.h>
1553 #include <gtk/gtkmenu.h>
1554 #include <gtk/gtkcontainer.h>
1555
1556 extern "C"
1557 {
1558
1559 static void gtk_pixmap_menu_item_class_init (GtkPixmapMenuItemClass *klass);
1560 static void gtk_pixmap_menu_item_init (GtkPixmapMenuItem *menu_item);
1561 static void gtk_pixmap_menu_item_draw (GtkWidget *widget,
1562 GdkRectangle *area);
1563 static gint gtk_pixmap_menu_item_expose (GtkWidget *widget,
1564 GdkEventExpose *event);
1565
1566 /* we must override the following functions */
1567
1568 static void gtk_pixmap_menu_item_map (GtkWidget *widget);
1569 static void gtk_pixmap_menu_item_size_allocate (GtkWidget *widget,
1570 GtkAllocation *allocation);
1571 static void gtk_pixmap_menu_item_forall (GtkContainer *container,
1572 gboolean include_internals,
1573 GtkCallback callback,
1574 gpointer callback_data);
1575 static void gtk_pixmap_menu_item_size_request (GtkWidget *widget,
1576 GtkRequisition *requisition);
1577 static void gtk_pixmap_menu_item_remove (GtkContainer *container,
1578 GtkWidget *child);
1579
1580 static void changed_have_pixmap_status (GtkPixmapMenuItem *menu_item);
1581
1582 static GtkMenuItemClass *parent_class = NULL;
1583
1584 }
1585
1586 #define BORDER_SPACING 3
1587 #define PMAP_WIDTH 20
1588
1589 GtkType
1590 gtk_pixmap_menu_item_get_type (void)
1591 {
1592 static GtkType pixmap_menu_item_type = 0;
1593
1594 if (!pixmap_menu_item_type)
1595 {
1596 GtkTypeInfo pixmap_menu_item_info =
1597 {
1598 (char *)"GtkPixmapMenuItem",
1599 sizeof (GtkPixmapMenuItem),
1600 sizeof (GtkPixmapMenuItemClass),
1601 (GtkClassInitFunc) gtk_pixmap_menu_item_class_init,
1602 (GtkObjectInitFunc) gtk_pixmap_menu_item_init,
1603 /* reserved_1 */ NULL,
1604 /* reserved_2 */ NULL,
1605 (GtkClassInitFunc) NULL,
1606 };
1607
1608 pixmap_menu_item_type = gtk_type_unique (gtk_menu_item_get_type (),
1609 &pixmap_menu_item_info);
1610 }
1611
1612 return pixmap_menu_item_type;
1613 }
1614
1615 /**
1616 * gtk_pixmap_menu_item_new
1617 *
1618 * Creates a new pixmap menu item. Use gtk_pixmap_menu_item_set_pixmap()
1619 * to set the pixmap wich is displayed at the left side.
1620 *
1621 * Returns:
1622 * &GtkWidget pointer to new menu item
1623 **/
1624
1625 GtkWidget*
1626 gtk_pixmap_menu_item_new (void)
1627 {
1628 return GTK_WIDGET (gtk_type_new (gtk_pixmap_menu_item_get_type ()));
1629 }
1630
1631 static void
1632 gtk_pixmap_menu_item_class_init (GtkPixmapMenuItemClass *klass)
1633 {
1634 GtkObjectClass *object_class;
1635 GtkWidgetClass *widget_class;
1636 GtkMenuItemClass *menu_item_class;
1637 GtkContainerClass *container_class;
1638
1639 object_class = (GtkObjectClass*) klass;
1640 widget_class = (GtkWidgetClass*) klass;
1641 menu_item_class = (GtkMenuItemClass*) klass;
1642 container_class = (GtkContainerClass*) klass;
1643
1644 parent_class = (GtkMenuItemClass*) gtk_type_class (gtk_menu_item_get_type ());
1645
1646 widget_class->draw = gtk_pixmap_menu_item_draw;
1647 widget_class->expose_event = gtk_pixmap_menu_item_expose;
1648 widget_class->map = gtk_pixmap_menu_item_map;
1649 widget_class->size_allocate = gtk_pixmap_menu_item_size_allocate;
1650 widget_class->size_request = gtk_pixmap_menu_item_size_request;
1651
1652 container_class->forall = gtk_pixmap_menu_item_forall;
1653 container_class->remove = gtk_pixmap_menu_item_remove;
1654
1655 klass->orig_toggle_size = menu_item_class->toggle_size;
1656 klass->have_pixmap_count = 0;
1657 }
1658
1659 static void
1660 gtk_pixmap_menu_item_init (GtkPixmapMenuItem *menu_item)
1661 {
1662 GtkMenuItem *mi;
1663
1664 mi = GTK_MENU_ITEM (menu_item);
1665
1666 menu_item->pixmap = NULL;
1667 }
1668
1669 static void
1670 gtk_pixmap_menu_item_draw (GtkWidget *widget,
1671 GdkRectangle *area)
1672 {
1673 g_return_if_fail (widget != NULL);
1674 g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (widget));
1675 g_return_if_fail (area != NULL);
1676
1677 if (GTK_WIDGET_CLASS (parent_class)->draw)
1678 (* GTK_WIDGET_CLASS (parent_class)->draw) (widget, area);
1679
1680 if (GTK_WIDGET_DRAWABLE (widget) &&
1681 GTK_PIXMAP_MENU_ITEM(widget)->pixmap) {
1682 gtk_widget_draw(GTK_WIDGET(GTK_PIXMAP_MENU_ITEM(widget)->pixmap),NULL);
1683 }
1684 }
1685
1686 static gint
1687 gtk_pixmap_menu_item_expose (GtkWidget *widget,
1688 GdkEventExpose *event)
1689 {
1690 g_return_val_if_fail (widget != NULL, FALSE);
1691 g_return_val_if_fail (GTK_IS_PIXMAP_MENU_ITEM (widget), FALSE);
1692 g_return_val_if_fail (event != NULL, FALSE);
1693
1694 if (GTK_WIDGET_CLASS (parent_class)->expose_event)
1695 (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
1696
1697 if (GTK_WIDGET_DRAWABLE (widget) &&
1698 GTK_PIXMAP_MENU_ITEM(widget)->pixmap) {
1699 gtk_widget_draw(GTK_WIDGET(GTK_PIXMAP_MENU_ITEM(widget)->pixmap),NULL);
1700 }
1701
1702 return FALSE;
1703 }
1704
1705 /**
1706 * gtk_pixmap_menu_item_set_pixmap
1707 * @menu_item: Pointer to the pixmap menu item
1708 * @pixmap: Pointer to a pixmap widget
1709 *
1710 * Set the pixmap of the menu item.
1711 *
1712 **/
1713
1714 void
1715 gtk_pixmap_menu_item_set_pixmap (GtkPixmapMenuItem *menu_item,
1716 GtkWidget *pixmap)
1717 {
1718 g_return_if_fail (menu_item != NULL);
1719 g_return_if_fail (pixmap != NULL);
1720 g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (menu_item));
1721 g_return_if_fail (GTK_IS_WIDGET (pixmap));
1722 g_return_if_fail (menu_item->pixmap == NULL);
1723
1724 gtk_widget_set_parent (pixmap, GTK_WIDGET (menu_item));
1725 menu_item->pixmap = pixmap;
1726
1727 if (GTK_WIDGET_REALIZED (pixmap->parent) &&
1728 !GTK_WIDGET_REALIZED (pixmap))
1729 gtk_widget_realize (pixmap);
1730
1731 if (GTK_WIDGET_VISIBLE (pixmap->parent)) {
1732 if (GTK_WIDGET_MAPPED (pixmap->parent) &&
1733 GTK_WIDGET_VISIBLE(pixmap) &&
1734 !GTK_WIDGET_MAPPED (pixmap))
1735 gtk_widget_map (pixmap);
1736 }
1737
1738 changed_have_pixmap_status(menu_item);
1739
1740 if (GTK_WIDGET_VISIBLE (pixmap) && GTK_WIDGET_VISIBLE (menu_item))
1741 gtk_widget_queue_resize (pixmap);
1742 }
1743
1744 static void
1745 gtk_pixmap_menu_item_map (GtkWidget *widget)
1746 {
1747 GtkPixmapMenuItem *menu_item;
1748
1749 g_return_if_fail (widget != NULL);
1750 g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (widget));
1751
1752 menu_item = GTK_PIXMAP_MENU_ITEM(widget);
1753
1754 GTK_WIDGET_CLASS(parent_class)->map(widget);
1755
1756 if (menu_item->pixmap &&
1757 GTK_WIDGET_VISIBLE (menu_item->pixmap) &&
1758 !GTK_WIDGET_MAPPED (menu_item->pixmap))
1759 gtk_widget_map (menu_item->pixmap);
1760 }
1761
1762 static void
1763 gtk_pixmap_menu_item_size_allocate (GtkWidget *widget,
1764 GtkAllocation *allocation)
1765 {
1766 GtkPixmapMenuItem *pmenu_item;
1767
1768 pmenu_item = GTK_PIXMAP_MENU_ITEM(widget);
1769
1770 if (pmenu_item->pixmap && GTK_WIDGET_VISIBLE(pmenu_item))
1771 {
1772 GtkAllocation child_allocation;
1773 int border_width;
1774
1775 border_width = GTK_CONTAINER (widget)->border_width;
1776
1777 child_allocation.width = pmenu_item->pixmap->requisition.width;
1778 child_allocation.height = pmenu_item->pixmap->requisition.height;
1779 child_allocation.x = border_width + BORDER_SPACING;
1780 child_allocation.y = (border_width + BORDER_SPACING
1781 + (((allocation->height - child_allocation.height) - child_allocation.x)
1782 / 2)); /* center pixmaps vertically */
1783 gtk_widget_size_allocate (pmenu_item->pixmap, &child_allocation);
1784 }
1785
1786 if (GTK_WIDGET_CLASS (parent_class)->size_allocate)
1787 GTK_WIDGET_CLASS(parent_class)->size_allocate (widget, allocation);
1788 }
1789
1790 static void
1791 gtk_pixmap_menu_item_forall (GtkContainer *container,
1792 gboolean include_internals,
1793 GtkCallback callback,
1794 gpointer callback_data)
1795 {
1796 GtkPixmapMenuItem *menu_item;
1797
1798 g_return_if_fail (container != NULL);
1799 g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (container));
1800 g_return_if_fail (callback != NULL);
1801
1802 menu_item = GTK_PIXMAP_MENU_ITEM (container);
1803
1804 if (menu_item->pixmap)
1805 (* callback) (menu_item->pixmap, callback_data);
1806
1807 GTK_CONTAINER_CLASS(parent_class)->forall(container,include_internals,
1808 callback,callback_data);
1809 }
1810
1811 static void
1812 gtk_pixmap_menu_item_size_request (GtkWidget *widget,
1813 GtkRequisition *requisition)
1814 {
1815 GtkPixmapMenuItem *menu_item;
1816 GtkRequisition req = {0, 0};
1817
1818 g_return_if_fail (widget != NULL);
1819 g_return_if_fail (GTK_IS_MENU_ITEM (widget));
1820 g_return_if_fail (requisition != NULL);
1821
1822 GTK_WIDGET_CLASS(parent_class)->size_request(widget,requisition);
1823
1824 menu_item = GTK_PIXMAP_MENU_ITEM (widget);
1825
1826 if (menu_item->pixmap)
1827 gtk_widget_size_request(menu_item->pixmap, &req);
1828
1829 requisition->height = MAX(req.height + GTK_CONTAINER(widget)->border_width + BORDER_SPACING, (unsigned int) requisition->height);
1830 requisition->width += (req.width + GTK_CONTAINER(widget)->border_width + BORDER_SPACING);
1831 }
1832
1833 static void
1834 gtk_pixmap_menu_item_remove (GtkContainer *container,
1835 GtkWidget *child)
1836 {
1837 GtkBin *bin;
1838 gboolean widget_was_visible;
1839
1840 g_return_if_fail (container != NULL);
1841 g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (container));
1842 g_return_if_fail (child != NULL);
1843 g_return_if_fail (GTK_IS_WIDGET (child));
1844
1845 bin = GTK_BIN (container);
1846 g_return_if_fail ((bin->child == child ||
1847 (GTK_PIXMAP_MENU_ITEM(container)->pixmap == child)));
1848
1849 widget_was_visible = GTK_WIDGET_VISIBLE (child);
1850
1851 gtk_widget_unparent (child);
1852 if (bin->child == child)
1853 bin->child = NULL;
1854 else {
1855 GTK_PIXMAP_MENU_ITEM(container)->pixmap = NULL;
1856 changed_have_pixmap_status(GTK_PIXMAP_MENU_ITEM(container));
1857 }
1858
1859 if (widget_was_visible)
1860 gtk_widget_queue_resize (GTK_WIDGET (container));
1861 }
1862
1863
1864 /* important to only call this if there was actually a _change_ in pixmap == NULL */
1865 static void
1866 changed_have_pixmap_status (GtkPixmapMenuItem *menu_item)
1867 {
1868 if (menu_item->pixmap != NULL) {
1869 GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count += 1;
1870
1871 if (GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count == 1) {
1872 /* Install pixmap toggle size */
1873 GTK_MENU_ITEM_GET_CLASS(menu_item)->toggle_size = MAX(GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->orig_toggle_size, PMAP_WIDTH);
1874 }
1875 } else {
1876 GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count -= 1;
1877
1878 if (GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count == 0) {
1879 /* Install normal toggle size */
1880 GTK_MENU_ITEM_GET_CLASS(menu_item)->toggle_size = GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->orig_toggle_size;
1881 }
1882 }
1883
1884 /* Note that we actually need to do this for _all_ GtkPixmapMenuItem
1885 whenever the klass->toggle_size changes; but by doing it anytime
1886 this function is called, we get the same effect, just because of
1887 how the preferences option to show pixmaps works. Bogus, broken.
1888 */
1889 if (GTK_WIDGET_VISIBLE(GTK_WIDGET(menu_item)))
1890 gtk_widget_queue_resize(GTK_WIDGET(menu_item));
1891 }
1892
1893 #endif // USE_MENU_BITMAPS
1894
wxWidgets (Impactor)