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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: menu.cpp
3 // Purpose:
4 // Author: Robert Roebling
5 // Id: $Id$
6 // Copyright: (c) 1998 Robert Roebling
7 // Licence: wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
9
10 #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 for ( pc = title; *pc != wxT('\0'); pc++ )
117 {
118 if (*pc == wxT('&'))
119 {
120 #if GTK_CHECK_VERSION(1, 2, 1)
121 str << wxT('_');
122 }
123 else if (*pc == wxT('/'))
124 {
125 str << wxT('\\');
126 #endif
127 }
128 else
129 {
130 #if __WXGTK12__
131 if ( *pc == wxT('_') )
132 {
133 // underscores must be doubled to prevent them from being
134 // interpreted as accelerator character prefix by GTK
135 str << *pc;
136 }
137 #endif // GTK+ 1.2
138
139 str << *pc;
140 }
141 }
142 return str;
143 }
144
145 //-----------------------------------------------------------------------------
146 // wxMenuBar
147 //-----------------------------------------------------------------------------
148
149 IMPLEMENT_DYNAMIC_CLASS(wxMenuBar,wxWindow)
150
151 wxMenuBar::wxMenuBar( long style )
152 {
153 /* the parent window is known after wxFrame::SetMenu() */
154 m_needParent = FALSE;
155 m_style = style;
156 m_invokingWindow = (wxWindow*) NULL;
157
158 if (!PreCreation( (wxWindow*) NULL, wxDefaultPosition, wxDefaultSize ) ||
159 !CreateBase( (wxWindow*) NULL, -1, wxDefaultPosition, wxDefaultSize, style, wxDefaultValidator, wxT("menubar") ))
160 {
161 wxFAIL_MSG( wxT("wxMenuBar creation failed") );
162 return;
163 }
164
165 m_menus.DeleteContents( TRUE );
166
167 /* GTK 1.2.0 doesn't have gtk_item_factory_get_item(), but GTK 1.2.1 has. */
168 #if GTK_CHECK_VERSION(1, 2, 1)
169 m_accel = gtk_accel_group_new();
170 m_factory = gtk_item_factory_new( GTK_TYPE_MENU_BAR, "<main>", m_accel );
171 m_menubar = gtk_item_factory_get_widget( m_factory, "<main>" );
172 #else
173 m_menubar = gtk_menu_bar_new();
174 #endif
175
176 if (style & wxMB_DOCKABLE)
177 {
178 m_widget = gtk_handle_box_new();
179 gtk_container_add( GTK_CONTAINER(m_widget), GTK_WIDGET(m_menubar) );
180 gtk_widget_show( GTK_WIDGET(m_menubar) );
181 }
182 else
183 {
184 m_widget = GTK_WIDGET(m_menubar);
185 }
186
187 PostCreation();
188
189 ApplyWidgetStyle();
190 }
191
192 wxMenuBar::wxMenuBar()
193 {
194 /* the parent window is known after wxFrame::SetMenu() */
195 m_needParent = FALSE;
196 m_style = 0;
197 m_invokingWindow = (wxWindow*) NULL;
198
199 if (!PreCreation( (wxWindow*) NULL, wxDefaultPosition, wxDefaultSize ) ||
200 !CreateBase( (wxWindow*) NULL, -1, wxDefaultPosition, wxDefaultSize, 0, wxDefaultValidator, wxT("menubar") ))
201 {
202 wxFAIL_MSG( wxT("wxMenuBar creation failed") );
203 return;
204 }
205
206 m_menus.DeleteContents( TRUE );
207
208 /* GTK 1.2.0 doesn't have gtk_item_factory_get_item(), but GTK 1.2.1 has. */
209 #if GTK_CHECK_VERSION(1, 2, 1)
210 m_accel = gtk_accel_group_new();
211 m_factory = gtk_item_factory_new( GTK_TYPE_MENU_BAR, "<main>", m_accel );
212 m_menubar = gtk_item_factory_get_widget( m_factory, "<main>" );
213 #else
214 m_menubar = gtk_menu_bar_new();
215 #endif
216
217 m_widget = GTK_WIDGET(m_menubar);
218
219 PostCreation();
220
221 ApplyWidgetStyle();
222 }
223
224 wxMenuBar::~wxMenuBar()
225 {
226 // gtk_object_unref( GTK_OBJECT(m_factory) ); why not ?
227 }
228
229 static void wxMenubarUnsetInvokingWindow( wxMenu *menu, wxWindow *win )
230 {
231 menu->SetInvokingWindow( (wxWindow*) NULL );
232
233 #if GTK_CHECK_VERSION(1, 2, 0)
234 wxWindow *top_frame = win;
235 while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
236 top_frame = top_frame->GetParent();
237
238 /* support for native hot keys */
239 gtk_accel_group_detach( menu->m_accel, ACCEL_OBJ_CAST(top_frame->m_widget) );
240 #endif
241
242 wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
243 while (node)
244 {
245 wxMenuItem *menuitem = node->GetData();
246 if (menuitem->IsSubMenu())
247 wxMenubarUnsetInvokingWindow( menuitem->GetSubMenu(), win );
248 node = node->GetNext();
249 }
250 }
251
252 static void wxMenubarSetInvokingWindow( wxMenu *menu, wxWindow *win )
253 {
254 menu->SetInvokingWindow( win );
255
256 #if GTK_CHECK_VERSION(1, 2, 1)
257 wxWindow *top_frame = win;
258 while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
259 top_frame = top_frame->GetParent();
260
261 /* support for native hot keys */
262 ACCEL_OBJECT *obj = ACCEL_OBJ_CAST(top_frame->m_widget);
263 if ( !g_slist_find( ACCEL_OBJECTS(menu->m_accel), obj ) )
264 gtk_accel_group_attach( menu->m_accel, obj );
265 #endif // GTK+ 1.2.1+
266
267 wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
268 while (node)
269 {
270 wxMenuItem *menuitem = node->GetData();
271 if (menuitem->IsSubMenu())
272 wxMenubarSetInvokingWindow( menuitem->GetSubMenu(), win );
273 node = node->GetNext();
274 }
275 }
276
277 void wxMenuBar::SetInvokingWindow( wxWindow *win )
278 {
279 m_invokingWindow = win;
280 #if GTK_CHECK_VERSION(1, 2, 1)
281 wxWindow *top_frame = win;
282 while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
283 top_frame = top_frame->GetParent();
284
285 /* support for native key accelerators indicated by underscroes */
286 ACCEL_OBJECT *obj = ACCEL_OBJ_CAST(top_frame->m_widget);
287 if ( !g_slist_find( ACCEL_OBJECTS(m_accel), obj ) )
288 gtk_accel_group_attach( m_accel, obj );
289 #endif // GTK+ 1.2.1+
290
291 wxMenuList::Node *node = m_menus.GetFirst();
292 while (node)
293 {
294 wxMenu *menu = node->GetData();
295 wxMenubarSetInvokingWindow( menu, win );
296 node = node->GetNext();
297 }
298 }
299
300 void wxMenuBar::UnsetInvokingWindow( wxWindow *win )
301 {
302 m_invokingWindow = (wxWindow*) NULL;
303 #if GTK_CHECK_VERSION(1, 2, 1)
304 wxWindow *top_frame = win;
305 while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
306 top_frame = top_frame->GetParent();
307
308 /* support for native key accelerators indicated by underscroes */
309 gtk_accel_group_detach( m_accel, ACCEL_OBJ_CAST(top_frame->m_widget) );
310 #endif // GTK+ 1.2.1+
311
312 wxMenuList::Node *node = m_menus.GetFirst();
313 while (node)
314 {
315 wxMenu *menu = node->GetData();
316 wxMenubarUnsetInvokingWindow( menu, win );
317 node = node->GetNext();
318 }
319 }
320
321 bool wxMenuBar::Append( wxMenu *menu, const wxString &title )
322 {
323 if ( !wxMenuBarBase::Append( menu, title ) )
324 return FALSE;
325
326 return GtkAppend(menu, title);
327 }
328
329 bool wxMenuBar::GtkAppend(wxMenu *menu, const wxString& title)
330 {
331 wxString str( wxReplaceUnderscore( title ) );
332
333 /* this doesn't have much effect right now */
334 menu->SetTitle( str );
335
336 /* GTK 1.2.0 doesn't have gtk_item_factory_get_item(), but GTK 1.2.1 has. */
337 #if GTK_CHECK_VERSION(1, 2, 1)
338
339 /* local buffer in multibyte form */
340 wxString buf;
341 buf << wxT('/') << str.c_str();
342
343 char *cbuf = new char[buf.Length()+1];
344 strcpy(cbuf, buf.mbc_str());
345
346 GtkItemFactoryEntry entry;
347 entry.path = (gchar *)cbuf; // const_cast
348 entry.accelerator = (gchar*) NULL;
349 entry.callback = (GtkItemFactoryCallback) NULL;
350 entry.callback_action = 0;
351 entry.item_type = (char *)"<Branch>";
352
353 gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 ); /* what is 2 ? */
354 /* in order to get the pointer to the item we need the item text _without_ underscores */
355 wxString tmp = wxT("<main>/");
356 const wxChar *pc;
357 for ( pc = str; *pc != wxT('\0'); pc++ )
358 {
359 // contrary to the common sense, we must throw out _all_ underscores,
360 // (i.e. "Hello__World" => "HelloWorld" and not "Hello_World" as we
361 // might naively think). IMHO it's a bug in GTK+ (VZ)
362 while (*pc == wxT('_'))
363 pc++;
364 tmp << *pc;
365 }
366 menu->m_owner = gtk_item_factory_get_item( m_factory, tmp.mb_str() );
367 gtk_menu_item_set_submenu( GTK_MENU_ITEM(menu->m_owner), menu->m_menu );
368 delete [] cbuf;
369 #else
370
371 menu->m_owner = gtk_menu_item_new_with_label( str.mb_str() );
372 gtk_widget_show( menu->m_owner );
373 gtk_menu_item_set_submenu( GTK_MENU_ITEM(menu->m_owner), menu->m_menu );
374
375 gtk_menu_bar_append( GTK_MENU_BAR(m_menubar), menu->m_owner );
376
377 #endif
378
379 // m_invokingWindow is set after wxFrame::SetMenuBar(). This call enables
380 // adding menu later on.
381 if (m_invokingWindow)
382 wxMenubarSetInvokingWindow( menu, m_invokingWindow );
383
384 return TRUE;
385 }
386
387 bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title)
388 {
389 if ( !wxMenuBarBase::Insert(pos, menu, title) )
390 return FALSE;
391
392 #if __WXGTK12__
393 // GTK+ doesn't have a function to insert a menu using GtkItemFactory (as
394 // of version 1.2.6), so we first append the item and then change its
395 // index
396 if ( !GtkAppend(menu, title) )
397 return FALSE;
398
399 if (pos+1 >= m_menus.GetCount())
400 return TRUE;
401
402 GtkMenuShell *menu_shell = GTK_MENU_SHELL(m_factory->widget);
403 gpointer data = g_list_last(menu_shell->children)->data;
404 menu_shell->children = g_list_remove(menu_shell->children, data);
405 menu_shell->children = g_list_insert(menu_shell->children, data, pos);
406
407 return TRUE;
408 #else // GTK < 1.2
409 // this should be easy to do with GTK 1.0 - can use standard functions for
410 // this and don't need any hacks like above, but as I don't have GTK 1.0
411 // any more I can't do it
412 wxFAIL_MSG( wxT("TODO") );
413
414 return FALSE;
415 #endif // GTK 1.2/1.0
416 }
417
418 wxMenu *wxMenuBar::Replace(size_t pos, wxMenu *menu, const wxString& title)
419 {
420 // remove the old item and insert a new one
421 wxMenu *menuOld = Remove(pos);
422 if ( menuOld && !Insert(pos, menu, title) )
423 {
424 return (wxMenu*) NULL;
425 }
426
427 // either Insert() succeeded or Remove() failed and menuOld is NULL
428 return menuOld;
429 }
430
431 wxMenu *wxMenuBar::Remove(size_t pos)
432 {
433 wxMenu *menu = wxMenuBarBase::Remove(pos);
434 if ( !menu )
435 return (wxMenu*) NULL;
436
437 /*
438 GtkMenuShell *menu_shell = GTK_MENU_SHELL(m_factory->widget);
439
440 printf( "factory entries before %d\n", (int)g_slist_length(m_factory->items) );
441 printf( "menu shell entries before %d\n", (int)g_list_length( menu_shell->children ) );
442 */
443
444 // unparent calls unref() and that would delete the widget so we raise
445 // the ref count to 2 artificially before invoking unparent.
446 gtk_widget_ref( menu->m_menu );
447 gtk_widget_unparent( menu->m_menu );
448
449 gtk_widget_destroy( menu->m_owner );
450
451 /*
452 printf( "factory entries after %d\n", (int)g_slist_length(m_factory->items) );
453 printf( "menu shell entries after %d\n", (int)g_list_length( menu_shell->children ) );
454 */
455
456 return menu;
457 }
458
459 static int FindMenuItemRecursive( const wxMenu *menu, const wxString &menuString, const wxString &itemString )
460 {
461 if (wxMenuItem::GetLabelFromText(menu->GetTitle()) == wxMenuItem::GetLabelFromText(menuString))
462 {
463 int res = menu->FindItem( itemString );
464 if (res != wxNOT_FOUND)
465 return res;
466 }
467
468 wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
469 while (node)
470 {
471 wxMenuItem *item = node->GetData();
472 if (item->IsSubMenu())
473 return FindMenuItemRecursive(item->GetSubMenu(), menuString, itemString);
474
475 node = node->GetNext();
476 }
477
478 return wxNOT_FOUND;
479 }
480
481 int wxMenuBar::FindMenuItem( const wxString &menuString, const wxString &itemString ) const
482 {
483 wxMenuList::Node *node = m_menus.GetFirst();
484 while (node)
485 {
486 wxMenu *menu = node->GetData();
487 int res = FindMenuItemRecursive( menu, menuString, itemString);
488 if (res != -1)
489 return res;
490 node = node->GetNext();
491 }
492
493 return wxNOT_FOUND;
494 }
495
496 // Find a wxMenuItem using its id. Recurses down into sub-menus
497 static wxMenuItem* FindMenuItemByIdRecursive(const wxMenu* menu, int id)
498 {
499 wxMenuItem* result = menu->FindChildItem(id);
500
501 wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
502 while ( node && result == NULL )
503 {
504 wxMenuItem *item = node->GetData();
505 if (item->IsSubMenu())
506 {
507 result = FindMenuItemByIdRecursive( item->GetSubMenu(), id );
508 }
509 node = node->GetNext();
510 }
511
512 return result;
513 }
514
515 wxMenuItem* wxMenuBar::FindItem( int id, wxMenu **menuForItem ) const
516 {
517 wxMenuItem* result = 0;
518 wxMenuList::Node *node = m_menus.GetFirst();
519 while (node && result == 0)
520 {
521 wxMenu *menu = node->GetData();
522 result = FindMenuItemByIdRecursive( menu, id );
523 node = node->GetNext();
524 }
525
526 if ( menuForItem )
527 {
528 *menuForItem = result ? result->GetMenu() : (wxMenu *)NULL;
529 }
530
531 return result;
532 }
533
534 void wxMenuBar::EnableTop( size_t pos, bool flag )
535 {
536 wxMenuList::Node *node = m_menus.Item( pos );
537
538 wxCHECK_RET( node, wxT("menu not found") );
539
540 wxMenu* menu = node->GetData();
541
542 if (menu->m_owner)
543 gtk_widget_set_sensitive( menu->m_owner, flag );
544 }
545
546 wxString wxMenuBar::GetLabelTop( size_t pos ) const
547 {
548 wxMenuList::Node *node = m_menus.Item( pos );
549
550 wxCHECK_MSG( node, wxT("invalid"), wxT("menu not found") );
551
552 wxMenu* menu = node->GetData();
553
554 wxString label;
555 wxString text( menu->GetTitle() );
556 #if GTK_CHECK_VERSION(1, 2, 0)
557 for ( const wxChar *pc = text.c_str(); *pc; pc++ )
558 {
559 if ( *pc == wxT('_') || *pc == wxT('&') )
560 {
561 // '_' is the escape character for GTK+ and '&' is the one for
562 // wxWindows - skip both of them
563 continue;
564 }
565
566 label += *pc;
567 }
568 #else // GTK+ 1.0
569 label = text;
570 #endif // GTK+ 1.2/1.0
571
572 return label;
573 }
574
575 void wxMenuBar::SetLabelTop( size_t pos, const wxString& label )
576 {
577 wxMenuList::Node *node = m_menus.Item( pos );
578
579 wxCHECK_RET( node, wxT("menu not found") );
580
581 wxMenu* menu = node->GetData();
582
583 wxString str( wxReplaceUnderscore( label ) );
584
585 menu->SetTitle( str );
586
587 if (menu->m_owner)
588 {
589 GtkLabel *label = GTK_LABEL( GTK_BIN(menu->m_owner)->child );
590
591 /* set new text */
592 gtk_label_set( label, str.mb_str());
593
594 /* reparse key accel */
595 (void)gtk_label_parse_uline (GTK_LABEL(label), str.mb_str() );
596 gtk_accel_label_refetch( GTK_ACCEL_LABEL(label) );
597 }
598
599 }
600
601 //-----------------------------------------------------------------------------
602 // "activate"
603 //-----------------------------------------------------------------------------
604
605 static void gtk_menu_clicked_callback( GtkWidget *widget, wxMenu *menu )
606 {
607 if (g_isIdle)
608 wxapp_install_idle_handler();
609
610 int id = menu->FindMenuIdByMenuItem(widget);
611
612 /* should find it for normal (not popup) menu */
613 wxASSERT_MSG( (id != -1) || (menu->GetInvokingWindow() != NULL),
614 _T("menu item not found in gtk_menu_clicked_callback") );
615
616 if (!menu->IsEnabled(id))
617 return;
618
619 wxMenuItem* item = menu->FindChildItem( id );
620 wxCHECK_RET( item, wxT("error in menu item callback") );
621
622 if (item->IsCheckable())
623 {
624 bool isReallyChecked = item->IsChecked();
625 if ( item->wxMenuItemBase::IsChecked() == isReallyChecked )
626 {
627 /* the menu item has been checked by calling wxMenuItem->Check() */
628 return;
629 }
630 else
631 {
632 /* the user pressed on the menu item -> report and make consistent
633 * again */
634 item->wxMenuItemBase::Check(isReallyChecked);
635 }
636 }
637
638 menu->SendEvent(item->GetId(), item->IsCheckable() ? item->IsChecked() : -1);
639 }
640
641 //-----------------------------------------------------------------------------
642 // "select"
643 //-----------------------------------------------------------------------------
644
645 static void gtk_menu_hilight_callback( GtkWidget *widget, wxMenu *menu )
646 {
647 if (g_isIdle) wxapp_install_idle_handler();
648
649 int id = menu->FindMenuIdByMenuItem(widget);
650
651 wxASSERT( id != -1 ); // should find it!
652
653 if (!menu->IsEnabled(id))
654 return;
655
656 wxMenuEvent event( wxEVT_MENU_HIGHLIGHT, id );
657 event.SetEventObject( menu );
658
659 if (menu->GetEventHandler()->ProcessEvent(event))
660 return;
661
662 wxWindow *win = menu->GetInvokingWindow();
663 if (win) win->GetEventHandler()->ProcessEvent( event );
664 }
665
666 //-----------------------------------------------------------------------------
667 // "deselect"
668 //-----------------------------------------------------------------------------
669
670 static void gtk_menu_nolight_callback( GtkWidget *widget, wxMenu *menu )
671 {
672 if (g_isIdle) wxapp_install_idle_handler();
673
674 int id = menu->FindMenuIdByMenuItem(widget);
675
676 wxASSERT( id != -1 ); // should find it!
677
678 if (!menu->IsEnabled(id))
679 return;
680
681 wxMenuEvent event( wxEVT_MENU_HIGHLIGHT, -1 );
682 event.SetEventObject( menu );
683
684 if (menu->GetEventHandler()->ProcessEvent(event))
685 return;
686
687 wxWindow *win = menu->GetInvokingWindow();
688 if (win)
689 win->GetEventHandler()->ProcessEvent( event );
690 }
691
692 //-----------------------------------------------------------------------------
693 // wxMenuItem
694 //-----------------------------------------------------------------------------
695
696 IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject)
697
698 wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu,
699 int id,
700 const wxString& name,
701 const wxString& help,
702 wxItemKind kind,
703 wxMenu *subMenu)
704 {
705 return new wxMenuItem(parentMenu, id, name, help, kind, subMenu);
706 }
707
708 wxMenuItem::wxMenuItem(wxMenu *parentMenu,
709 int id,
710 const wxString& text,
711 const wxString& help,
712 wxItemKind kind,
713 wxMenu *subMenu)
714 : wxMenuItemBase(parentMenu, id, text, help, kind, subMenu)
715 {
716 m_labelWidget = (GtkWidget *) NULL;
717 m_menuItem = (GtkWidget *) NULL;
718
719 DoSetText(text);
720 }
721
722 wxMenuItem::~wxMenuItem()
723 {
724 // don't delete menu items, the menus take care of that
725 }
726
727 // return the menu item text without any menu accels
728 /* static */
729 wxString wxMenuItemBase::GetLabelFromText(const wxString& text)
730 {
731 wxString label;
732
733 for ( const wxChar *pc = text.c_str(); *pc; pc++ )
734 {
735 if ( *pc == wxT('_') )
736 {
737 // wxGTK escapes "xxx_xxx" to "xxx__xxx"
738 pc++;
739 label += *pc;
740 continue;
741 }
742
743 if ( *pc == wxT('&') )
744 {
745 // wxMSW escapes &
746 continue;
747 }
748
749 label += *pc;
750 }
751
752 return label;
753 }
754
755 void wxMenuItem::SetText( const wxString& str )
756 {
757 DoSetText(str);
758
759 if (m_menuItem)
760 {
761 GtkLabel *label;
762 if (m_labelWidget)
763 label = (GtkLabel*) m_labelWidget;
764 else
765 label = GTK_LABEL( GTK_BIN(m_menuItem)->child );
766
767 /* set new text */
768 gtk_label_set( label, m_text.mb_str());
769
770 /* reparse key accel */
771 (void)gtk_label_parse_uline (GTK_LABEL(label), m_text.mb_str() );
772 gtk_accel_label_refetch( GTK_ACCEL_LABEL(label) );
773 }
774 }
775
776 // it's valid for this function to be called even if m_menuItem == NULL
777 void wxMenuItem::DoSetText( const wxString& str )
778 {
779 /* '\t' is the deliminator indicating a hot key */
780 m_text.Empty();
781 const wxChar *pc = str;
782 for (; (*pc != wxT('\0')) && (*pc != wxT('\t')); pc++ )
783 {
784 if (*pc == wxT('&'))
785 {
786 #if GTK_CHECK_VERSION(1, 2, 0)
787 m_text << wxT('_');
788 }
789 else if ( *pc == wxT('_') ) // escape underscores
790 {
791 m_text << wxT("__");
792 }
793 else if (*pc == wxT('/')) /* we have to filter out slashes ... */
794 {
795 m_text << wxT('\\'); /* ... and replace them with back slashes */
796 #endif // GTK+ 1.2.0+
797 }
798 else
799 m_text << *pc;
800 }
801
802 /* only GTK 1.2 knows about hot keys */
803 m_hotKey = wxT("");
804
805 #if GTK_CHECK_VERSION(1, 2, 0)
806 if(*pc == wxT('\t'))
807 {
808 pc++;
809 m_hotKey = pc;
810 }
811 #endif // GTK+ 1.2.0+
812 }
813
814 #if wxUSE_ACCEL
815
816 wxAcceleratorEntry *wxMenuItem::GetAccel() const
817 {
818 if ( !GetHotKey() )
819 {
820 // nothing
821 return (wxAcceleratorEntry *)NULL;
822 }
823
824 // as wxGetAccelFromString() looks for TAB, insert a dummy one here
825 wxString label;
826 label << wxT('\t') << GetHotKey();
827
828 return wxGetAccelFromString(label);
829 }
830
831 #endif // wxUSE_ACCEL
832
833 void wxMenuItem::Check( bool check )
834 {
835 wxCHECK_RET( m_menuItem, wxT("invalid menu item") );
836
837 wxCHECK_RET( IsCheckable(), wxT("Can't check uncheckable item!") )
838
839 if (check == m_isChecked)
840 return;
841
842 wxMenuItemBase::Check( check );
843
844 // GTK+ does it itself for the radio item
845 if ( GetKind() == wxITEM_CHECK )
846 {
847 gtk_check_menu_item_set_state( (GtkCheckMenuItem*)m_menuItem, (gint)check );
848 }
849 }
850
851 void wxMenuItem::Enable( bool enable )
852 {
853 wxCHECK_RET( m_menuItem, wxT("invalid menu item") );
854
855 gtk_widget_set_sensitive( m_menuItem, enable );
856 wxMenuItemBase::Enable( enable );
857 }
858
859 bool wxMenuItem::IsChecked() const
860 {
861 wxCHECK_MSG( m_menuItem, FALSE, wxT("invalid menu item") );
862
863 wxCHECK_MSG( IsCheckable(), FALSE,
864 wxT("can't get state of uncheckable item!") );
865
866 return ((GtkCheckMenuItem*)m_menuItem)->active != 0;
867 }
868
869 wxString wxMenuItem::GetFactoryPath() const
870 {
871 /* in order to get the pointer to the item we need the item text
872 _without_ underscores */
873 wxString path( wxT("<main>/") );
874
875 for ( const wxChar *pc = m_text.c_str(); *pc; pc++ )
876 {
877 if ( *pc == wxT('_') || *pc == wxT('&') )
878 {
879 // remove '_' and '&' unconditionally
880 continue;
881 }
882
883 path += *pc;
884 }
885
886 return path;
887 }
888
889 //-----------------------------------------------------------------------------
890 // wxMenu
891 //-----------------------------------------------------------------------------
892
893 IMPLEMENT_DYNAMIC_CLASS(wxMenu,wxEvtHandler)
894
895 void wxMenu::Init()
896 {
897 #if GTK_CHECK_VERSION(1, 2, 0)
898 m_accel = gtk_accel_group_new();
899 m_factory = gtk_item_factory_new( GTK_TYPE_MENU, "<main>", m_accel );
900 m_menu = gtk_item_factory_get_widget( m_factory, "<main>" );
901 #else
902 m_menu = gtk_menu_new(); // Do not show!
903 #endif
904
905 m_owner = (GtkWidget*) NULL;
906
907 #if GTK_CHECK_VERSION(1, 2, 0)
908 /* Tearoffs are entries, just like separators. So if we want this
909 menu to be a tear-off one, we just append a tearoff entry
910 immediately. */
911 if(m_style & wxMENU_TEAROFF)
912 {
913 GtkItemFactoryEntry entry;
914 entry.path = (char *)"/tearoff";
915 entry.callback = (GtkItemFactoryCallback) NULL;
916 entry.callback_action = 0;
917 entry.item_type = (char *)"<Tearoff>";
918 entry.accelerator = (gchar*) NULL;
919 gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 ); /* what is 2 ? */
920 //GtkWidget *menuItem = gtk_item_factory_get_widget( m_factory, "<main>/tearoff" );
921 }
922 #endif // GTK+ 1.2.0+
923
924 // append the title as the very first entry if we have it
925 if ( !!m_title )
926 {
927 Append(-2, m_title);
928 AppendSeparator();
929 }
930 }
931
932 wxMenu::~wxMenu()
933 {
934 m_items.Clear();
935
936 gtk_widget_destroy( m_menu );
937
938 gtk_object_unref( GTK_OBJECT(m_factory) );
939 }
940
941 bool wxMenu::GtkAppend(wxMenuItem *mitem)
942 {
943 GtkWidget *menuItem;
944
945 #if defined(USE_MENU_BITMAPS) || !GTK_CHECK_VERSION(1, 2, 0)
946 bool appended = FALSE;
947 #endif
948
949 #if GTK_CHECK_VERSION(1, 2, 0)
950 // is this a radio item?
951 bool isRadio = FALSE;
952 #endif // GTK+ >= 1.2
953
954 if ( mitem->IsSeparator() )
955 {
956 #if GTK_CHECK_VERSION(1, 2, 0)
957 GtkItemFactoryEntry entry;
958 entry.path = (char *)"/sep";
959 entry.callback = (GtkItemFactoryCallback) NULL;
960 entry.callback_action = 0;
961 entry.item_type = (char *)"<Separator>";
962 entry.accelerator = (gchar*) NULL;
963
964 gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 ); /* what is 2 ? */
965
966 /* this will be wrong for more than one separator. do we care? */
967 menuItem = gtk_item_factory_get_widget( m_factory, "<main>/sep" );
968 #else // GTK+ 1.0
969 menuItem = gtk_menu_item_new();
970 #endif // GTK 1.2/1.0
971 }
972 else if ( mitem->IsSubMenu() )
973 {
974 #if GTK_CHECK_VERSION(1, 2, 0)
975 /* text has "_" instead of "&" after mitem->SetText() */
976 wxString text( mitem->GetText() );
977
978 /* local buffer in multibyte form */
979 char buf[200];
980 strcpy( buf, "/" );
981 strcat( buf, text.mb_str() );
982
983 GtkItemFactoryEntry entry;
984 entry.path = buf;
985 entry.callback = (GtkItemFactoryCallback) 0;
986 entry.callback_action = 0;
987 entry.item_type = (char *)"<Branch>";
988 entry.accelerator = (gchar*) NULL;
989
990 gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 ); /* what is 2 ? */
991
992 wxString path( mitem->GetFactoryPath() );
993 menuItem = gtk_item_factory_get_item( m_factory, path.mb_str() );
994 #else // GTK+ 1.0
995 menuItem = gtk_menu_item_new_with_label(mitem->GetText().mbc_str());
996 #endif // GTK 1.2/1.0
997
998 gtk_menu_item_set_submenu( GTK_MENU_ITEM(menuItem), mitem->GetSubMenu()->m_menu );
999
1000 // if adding a submenu to a menu already existing in the menu bar, we
1001 // must set invoking window to allow processing events from this
1002 // submenu
1003 if ( m_invokingWindow )
1004 wxMenubarSetInvokingWindow(mitem->GetSubMenu(), m_invokingWindow);
1005 }
1006 #ifdef USE_MENU_BITMAPS
1007 else if (mitem->GetBitmap().Ok()) // An item with bitmap
1008 {
1009 wxString text( mitem->GetText() );
1010 const wxBitmap *bitmap = &mitem->GetBitmap();
1011
1012 menuItem = gtk_pixmap_menu_item_new ();
1013 GtkWidget *label = gtk_accel_label_new (text.mb_str());
1014 gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
1015 gtk_container_add (GTK_CONTAINER (menuItem), label);
1016 guint accel_key = gtk_label_parse_uline (GTK_LABEL(label), text.mb_str() );
1017 gtk_accel_label_set_accel_widget (GTK_ACCEL_LABEL (label), menuItem);
1018 if (accel_key != GDK_VoidSymbol)
1019 {
1020 gtk_widget_add_accelerator (menuItem,
1021 "activate_item",
1022 gtk_menu_ensure_uline_accel_group (GTK_MENU (m_menu)),
1023 accel_key, 0,
1024 GTK_ACCEL_LOCKED);
1025 }
1026 gtk_widget_show (label);
1027
1028 mitem->SetLabelWidget(label);
1029
1030 GtkWidget* pixmap = gtk_pixmap_new( bitmap->GetPixmap(), bitmap->GetMask() ? bitmap->GetMask()->GetBitmap() : (GdkBitmap* )NULL);
1031 gtk_widget_show(pixmap);
1032 gtk_pixmap_menu_item_set_pixmap(GTK_PIXMAP_MENU_ITEM( menuItem ), pixmap);
1033
1034 gtk_signal_connect( GTK_OBJECT(menuItem), "activate",
1035 GTK_SIGNAL_FUNC(gtk_menu_clicked_callback),
1036 (gpointer)this );
1037 gtk_menu_append( GTK_MENU(m_menu), menuItem );
1038 gtk_widget_show( menuItem );
1039
1040 appended = TRUE; // We've done this, don't do it again
1041 }
1042 #endif // USE_MENU_BITMAPS
1043 else // a normal item
1044 {
1045 #if GTK_CHECK_VERSION(1, 2, 0)
1046 /* text has "_" instead of "&" after mitem->SetText() */
1047 wxString text( mitem->GetText() );
1048
1049 /* local buffer in multibyte form */
1050 char buf[200];
1051 strcpy( buf, "/" );
1052 strncat( buf, text.mb_str(), WXSIZEOF(buf) - 2 );
1053 buf[WXSIZEOF(buf) - 1] = '\0';
1054
1055 GtkItemFactoryEntry entry;
1056 entry.path = buf;
1057 entry.callback = (GtkItemFactoryCallback) gtk_menu_clicked_callback;
1058 entry.callback_action = 0;
1059
1060 wxString pathRadio;
1061 const char *item_type;
1062 switch ( mitem->GetKind() )
1063 {
1064 case wxITEM_CHECK:
1065 item_type = "<CheckItem>";
1066 break;
1067
1068 case wxITEM_RADIO:
1069 if ( m_pathLastRadio.empty() )
1070 {
1071 // start of a new radio group
1072 item_type = "<RadioItem>";
1073 m_pathLastRadio = buf + 1;
1074 }
1075 else // continue the radio group
1076 {
1077 pathRadio = m_pathLastRadio;
1078 pathRadio.Replace("_", "");
1079 pathRadio.Prepend("<main>/");
1080 item_type = pathRadio;
1081 }
1082
1083 // remember that this one was a radio item to avoid resetting
1084 // m_pathLastRadio below
1085 isRadio = TRUE;
1086 break;
1087
1088 default:
1089 wxFAIL_MSG( _T("unexpected menu item kind") );
1090 // fall through
1091
1092 case wxITEM_NORMAL:
1093 item_type = "<Item>";
1094 break;
1095 }
1096
1097 entry.item_type = (char *)item_type; // cast needed for GTK+
1098 entry.accelerator = (gchar*) NULL;
1099
1100 #if wxUSE_ACCEL
1101 // due to an apparent bug in GTK+, we have to use a static buffer here -
1102 // otherwise GTK+ 1.2.2 manages to override the memory we pass to it
1103 // somehow! (VZ)
1104 static char s_accel[50]; // must be big enougg
1105 wxString tmp( GetHotKey(*mitem) );
1106 strncpy(s_accel, tmp.mb_str(), WXSIZEOF(s_accel));
1107 entry.accelerator = s_accel;
1108 #else // !wxUSE_ACCEL
1109 entry.accelerator = (char*) NULL;
1110 #endif // wxUSE_ACCEL/!wxUSE_ACCEL
1111
1112 gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 ); /* what is 2 ? */
1113
1114 wxString path( mitem->GetFactoryPath() );
1115 menuItem = gtk_item_factory_get_widget( m_factory, path.mb_str() );
1116 #else // GTK+ 1.0
1117 menuItem = checkable ? gtk_check_menu_item_new_with_label( mitem->GetText().mb_str() )
1118 : gtk_menu_item_new_with_label( mitem->GetText().mb_str() );
1119
1120 gtk_signal_connect( GTK_OBJECT(menuItem), "activate",
1121 GTK_SIGNAL_FUNC(gtk_menu_clicked_callback),
1122 (gpointer)this );
1123 #endif // GTK+ 1.2/1.0
1124 }
1125
1126 if ( !mitem->IsSeparator() )
1127 {
1128 gtk_signal_connect( GTK_OBJECT(menuItem), "select",
1129 GTK_SIGNAL_FUNC(gtk_menu_hilight_callback),
1130 (gpointer)this );
1131
1132 gtk_signal_connect( GTK_OBJECT(menuItem), "deselect",
1133 GTK_SIGNAL_FUNC(gtk_menu_nolight_callback),
1134 (gpointer)this );
1135 }
1136
1137 #if !GTK_CHECK_VERSION(1, 2, 0)
1138 if (!appended)
1139 {
1140 gtk_menu_append( GTK_MENU(m_menu), menuItem );
1141 gtk_widget_show( menuItem );
1142 }
1143 #endif // GTK+ 1.0
1144
1145 mitem->SetMenuItem(menuItem);
1146
1147 #if GTK_CHECK_VERSION(1, 2, 0)
1148 if ( !isRadio )
1149 {
1150 m_pathLastRadio.clear();
1151 }
1152 #endif // GTK+ >= 1.2
1153
1154 return TRUE;
1155 }
1156
1157 bool wxMenu::DoAppend(wxMenuItem *mitem)
1158 {
1159 return GtkAppend(mitem) && wxMenuBase::DoAppend(mitem);
1160 }
1161
1162 bool wxMenu::DoInsert(size_t pos, wxMenuItem *item)
1163 {
1164 if ( !wxMenuBase::DoInsert(pos, item) )
1165 return FALSE;
1166
1167 #ifdef __WXGTK12__
1168 // GTK+ doesn't have a function to insert a menu using GtkItemFactory (as
1169 // of version 1.2.6), so we first append the item and then change its
1170 // index
1171 if ( !GtkAppend(item) )
1172 return FALSE;
1173
1174 if ( m_style & wxMENU_TEAROFF )
1175 {
1176 // change the position as the first item is the tear-off marker
1177 pos++;
1178 }
1179
1180 GtkMenuShell *menu_shell = GTK_MENU_SHELL(m_factory->widget);
1181 gpointer data = g_list_last(menu_shell->children)->data;
1182 menu_shell->children = g_list_remove(menu_shell->children, data);
1183 menu_shell->children = g_list_insert(menu_shell->children, data, pos);
1184
1185 return TRUE;
1186 #else // GTK < 1.2
1187 // this should be easy to do...
1188 wxFAIL_MSG( wxT("not implemented") );
1189
1190 return FALSE;
1191 #endif // GTK 1.2/1.0
1192 }
1193
1194 wxMenuItem *wxMenu::DoRemove(wxMenuItem *item)
1195 {
1196 if ( !wxMenuBase::DoRemove(item) )
1197 return (wxMenuItem *)NULL;
1198
1199 // TODO: this code doesn't delete the item factory item and this seems
1200 // impossible as of GTK 1.2.6.
1201 gtk_widget_destroy( item->GetMenuItem() );
1202
1203 return item;
1204 }
1205
1206 int wxMenu::FindMenuIdByMenuItem( GtkWidget *menuItem ) const
1207 {
1208 wxNode *node = m_items.First();
1209 while (node)
1210 {
1211 wxMenuItem *item = (wxMenuItem*)node->Data();
1212 if (item->GetMenuItem() == menuItem)
1213 return item->GetId();
1214 node = node->Next();
1215 }
1216
1217 return wxNOT_FOUND;
1218 }
1219
1220 // ----------------------------------------------------------------------------
1221 // helpers
1222 // ----------------------------------------------------------------------------
1223
1224 #if GTK_CHECK_VERSION(1, 2, 0) && wxUSE_ACCEL
1225
1226 static wxString GetHotKey( const wxMenuItem& item )
1227 {
1228 wxString hotkey;
1229
1230 wxAcceleratorEntry *accel = item.GetAccel();
1231 if ( accel )
1232 {
1233 int flags = accel->GetFlags();
1234 if ( flags & wxACCEL_ALT )
1235 hotkey += wxT("<alt>");
1236 if ( flags & wxACCEL_CTRL )
1237 hotkey += wxT("<control>");
1238 if ( flags & wxACCEL_SHIFT )
1239 hotkey += wxT("<shift>");
1240
1241 int code = accel->GetKeyCode();
1242 switch ( code )
1243 {
1244 case WXK_F1:
1245 case WXK_F2:
1246 case WXK_F3:
1247 case WXK_F4:
1248 case WXK_F5:
1249 case WXK_F6:
1250 case WXK_F7:
1251 case WXK_F8:
1252 case WXK_F9:
1253 case WXK_F10:
1254 case WXK_F11:
1255 case WXK_F12:
1256 hotkey << wxT('F') << code - WXK_F1 + 1;
1257 break;
1258
1259 // TODO: we should use gdk_keyval_name() (a.k.a.
1260 // XKeysymToString) here as well as hardcoding the keysym
1261 // names this might be not portable
1262 case WXK_NUMPAD_INSERT:
1263 hotkey << wxT("KP_Insert" );
1264 break;
1265 case WXK_NUMPAD_DELETE:
1266 hotkey << wxT("KP_Delete" );
1267 break;
1268 case WXK_INSERT:
1269 hotkey << wxT("Insert" );
1270 break;
1271 case WXK_DELETE:
1272 hotkey << wxT("Delete" );
1273 break;
1274
1275 // if there are any other keys wxGetAccelFromString() may
1276 // return, we should process them here
1277
1278 default:
1279 if ( code < 127 )
1280 {
1281 gchar *name = gdk_keyval_name((guint)code);
1282 if ( name )
1283 {
1284 hotkey << name;
1285 break;
1286 }
1287 }
1288
1289 wxFAIL_MSG( wxT("unknown keyboard accel") );
1290 }
1291
1292 delete accel;
1293 }
1294
1295 return hotkey;
1296 }
1297
1298 #endif // wxUSE_ACCEL
1299
1300
1301 //-----------------------------------------------------------------------------
1302 // substitute for missing GtkPixmapMenuItem
1303 //-----------------------------------------------------------------------------
1304
1305 #ifdef USE_MENU_BITMAPS
1306
1307 /*
1308 * Copyright (C) 1998, 1999, 2000 Free Software Foundation
1309 * All rights reserved.
1310 *
1311 * This file is part of the Gnome Library.
1312 *
1313 * The Gnome Library is free software; you can redistribute it and/or
1314 * modify it under the terms of the GNU Library General Public License as
1315 * published by the Free Software Foundation; either version 2 of the
1316 * License, or (at your option) any later version.
1317 *
1318 * The Gnome Library is distributed in the hope that it will be useful,
1319 * but WITHOUT ANY WARRANTY; without even the implied warranty of
1320 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
1321 * Library General Public License for more details.
1322 *
1323 * You should have received a copy of the GNU Library General Public
1324 * License along with the Gnome Library; see the file COPYING.LIB. If not,
1325 * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
1326 * Boston, MA 02111-1307, USA.
1327 */
1328 /*
1329 @NOTATION@
1330 */
1331
1332 /* Author: Dietmar Maurer <dm@vlsivie.tuwien.ac.at> */
1333
1334 #include <gtk/gtkaccellabel.h>
1335 #include <gtk/gtksignal.h>
1336 #include <gtk/gtkmenuitem.h>
1337 #include <gtk/gtkmenu.h>
1338 #include <gtk/gtkcontainer.h>
1339
1340 extern "C"
1341 {
1342
1343 static void gtk_pixmap_menu_item_class_init (GtkPixmapMenuItemClass *klass);
1344 static void gtk_pixmap_menu_item_init (GtkPixmapMenuItem *menu_item);
1345 static void gtk_pixmap_menu_item_draw (GtkWidget *widget,
1346 GdkRectangle *area);
1347 static gint gtk_pixmap_menu_item_expose (GtkWidget *widget,
1348 GdkEventExpose *event);
1349
1350 /* we must override the following functions */
1351
1352 static void gtk_pixmap_menu_item_map (GtkWidget *widget);
1353 static void gtk_pixmap_menu_item_size_allocate (GtkWidget *widget,
1354 GtkAllocation *allocation);
1355 static void gtk_pixmap_menu_item_forall (GtkContainer *container,
1356 gboolean include_internals,
1357 GtkCallback callback,
1358 gpointer callback_data);
1359 static void gtk_pixmap_menu_item_size_request (GtkWidget *widget,
1360 GtkRequisition *requisition);
1361 static void gtk_pixmap_menu_item_remove (GtkContainer *container,
1362 GtkWidget *child);
1363
1364 static void changed_have_pixmap_status (GtkPixmapMenuItem *menu_item);
1365
1366 static GtkMenuItemClass *parent_class = NULL;
1367
1368 }
1369
1370 #define BORDER_SPACING 3
1371 #define PMAP_WIDTH 20
1372
1373 GtkType
1374 gtk_pixmap_menu_item_get_type (void)
1375 {
1376 static GtkType pixmap_menu_item_type = 0;
1377
1378 if (!pixmap_menu_item_type)
1379 {
1380 GtkTypeInfo pixmap_menu_item_info =
1381 {
1382 (char *)"GtkPixmapMenuItem",
1383 sizeof (GtkPixmapMenuItem),
1384 sizeof (GtkPixmapMenuItemClass),
1385 (GtkClassInitFunc) gtk_pixmap_menu_item_class_init,
1386 (GtkObjectInitFunc) gtk_pixmap_menu_item_init,
1387 /* reserved_1 */ NULL,
1388 /* reserved_2 */ NULL,
1389 (GtkClassInitFunc) NULL,
1390 };
1391
1392 pixmap_menu_item_type = gtk_type_unique (gtk_menu_item_get_type (),
1393 &pixmap_menu_item_info);
1394 }
1395
1396 return pixmap_menu_item_type;
1397 }
1398
1399 /**
1400 * gtk_pixmap_menu_item_new
1401 *
1402 * Creates a new pixmap menu item. Use gtk_pixmap_menu_item_set_pixmap()
1403 * to set the pixmap wich is displayed at the left side.
1404 *
1405 * Returns:
1406 * &GtkWidget pointer to new menu item
1407 **/
1408
1409 GtkWidget*
1410 gtk_pixmap_menu_item_new (void)
1411 {
1412 return GTK_WIDGET (gtk_type_new (gtk_pixmap_menu_item_get_type ()));
1413 }
1414
1415 static void
1416 gtk_pixmap_menu_item_class_init (GtkPixmapMenuItemClass *klass)
1417 {
1418 GtkObjectClass *object_class;
1419 GtkWidgetClass *widget_class;
1420 GtkMenuItemClass *menu_item_class;
1421 GtkContainerClass *container_class;
1422
1423 object_class = (GtkObjectClass*) klass;
1424 widget_class = (GtkWidgetClass*) klass;
1425 menu_item_class = (GtkMenuItemClass*) klass;
1426 container_class = (GtkContainerClass*) klass;
1427
1428 parent_class = (GtkMenuItemClass*) gtk_type_class (gtk_menu_item_get_type ());
1429
1430 widget_class->draw = gtk_pixmap_menu_item_draw;
1431 widget_class->expose_event = gtk_pixmap_menu_item_expose;
1432 widget_class->map = gtk_pixmap_menu_item_map;
1433 widget_class->size_allocate = gtk_pixmap_menu_item_size_allocate;
1434 widget_class->size_request = gtk_pixmap_menu_item_size_request;
1435
1436 container_class->forall = gtk_pixmap_menu_item_forall;
1437 container_class->remove = gtk_pixmap_menu_item_remove;
1438
1439 klass->orig_toggle_size = menu_item_class->toggle_size;
1440 klass->have_pixmap_count = 0;
1441 }
1442
1443 static void
1444 gtk_pixmap_menu_item_init (GtkPixmapMenuItem *menu_item)
1445 {
1446 GtkMenuItem *mi;
1447
1448 mi = GTK_MENU_ITEM (menu_item);
1449
1450 menu_item->pixmap = NULL;
1451 }
1452
1453 static void
1454 gtk_pixmap_menu_item_draw (GtkWidget *widget,
1455 GdkRectangle *area)
1456 {
1457 g_return_if_fail (widget != NULL);
1458 g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (widget));
1459 g_return_if_fail (area != NULL);
1460
1461 if (GTK_WIDGET_CLASS (parent_class)->draw)
1462 (* GTK_WIDGET_CLASS (parent_class)->draw) (widget, area);
1463
1464 if (GTK_WIDGET_DRAWABLE (widget) &&
1465 GTK_PIXMAP_MENU_ITEM(widget)->pixmap) {
1466 gtk_widget_draw(GTK_WIDGET(GTK_PIXMAP_MENU_ITEM(widget)->pixmap),NULL);
1467 }
1468 }
1469
1470 static gint
1471 gtk_pixmap_menu_item_expose (GtkWidget *widget,
1472 GdkEventExpose *event)
1473 {
1474 g_return_val_if_fail (widget != NULL, FALSE);
1475 g_return_val_if_fail (GTK_IS_PIXMAP_MENU_ITEM (widget), FALSE);
1476 g_return_val_if_fail (event != NULL, FALSE);
1477
1478 if (GTK_WIDGET_CLASS (parent_class)->expose_event)
1479 (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
1480
1481 if (GTK_WIDGET_DRAWABLE (widget) &&
1482 GTK_PIXMAP_MENU_ITEM(widget)->pixmap) {
1483 gtk_widget_draw(GTK_WIDGET(GTK_PIXMAP_MENU_ITEM(widget)->pixmap),NULL);
1484 }
1485
1486 return FALSE;
1487 }
1488
1489 /**
1490 * gtk_pixmap_menu_item_set_pixmap
1491 * @menu_item: Pointer to the pixmap menu item
1492 * @pixmap: Pointer to a pixmap widget
1493 *
1494 * Set the pixmap of the menu item.
1495 *
1496 **/
1497
1498 void
1499 gtk_pixmap_menu_item_set_pixmap (GtkPixmapMenuItem *menu_item,
1500 GtkWidget *pixmap)
1501 {
1502 g_return_if_fail (menu_item != NULL);
1503 g_return_if_fail (pixmap != NULL);
1504 g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (menu_item));
1505 g_return_if_fail (GTK_IS_WIDGET (pixmap));
1506 g_return_if_fail (menu_item->pixmap == NULL);
1507
1508 gtk_widget_set_parent (pixmap, GTK_WIDGET (menu_item));
1509 menu_item->pixmap = pixmap;
1510
1511 if (GTK_WIDGET_REALIZED (pixmap->parent) &&
1512 !GTK_WIDGET_REALIZED (pixmap))
1513 gtk_widget_realize (pixmap);
1514
1515 if (GTK_WIDGET_VISIBLE (pixmap->parent)) {
1516 if (GTK_WIDGET_MAPPED (pixmap->parent) &&
1517 GTK_WIDGET_VISIBLE(pixmap) &&
1518 !GTK_WIDGET_MAPPED (pixmap))
1519 gtk_widget_map (pixmap);
1520 }
1521
1522 changed_have_pixmap_status(menu_item);
1523
1524 if (GTK_WIDGET_VISIBLE (pixmap) && GTK_WIDGET_VISIBLE (menu_item))
1525 gtk_widget_queue_resize (pixmap);
1526 }
1527
1528 static void
1529 gtk_pixmap_menu_item_map (GtkWidget *widget)
1530 {
1531 GtkPixmapMenuItem *menu_item;
1532
1533 g_return_if_fail (widget != NULL);
1534 g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (widget));
1535
1536 menu_item = GTK_PIXMAP_MENU_ITEM(widget);
1537
1538 GTK_WIDGET_CLASS(parent_class)->map(widget);
1539
1540 if (menu_item->pixmap &&
1541 GTK_WIDGET_VISIBLE (menu_item->pixmap) &&
1542 !GTK_WIDGET_MAPPED (menu_item->pixmap))
1543 gtk_widget_map (menu_item->pixmap);
1544 }
1545
1546 static void
1547 gtk_pixmap_menu_item_size_allocate (GtkWidget *widget,
1548 GtkAllocation *allocation)
1549 {
1550 GtkPixmapMenuItem *pmenu_item;
1551
1552 pmenu_item = GTK_PIXMAP_MENU_ITEM(widget);
1553
1554 if (pmenu_item->pixmap && GTK_WIDGET_VISIBLE(pmenu_item))
1555 {
1556 GtkAllocation child_allocation;
1557 int border_width;
1558
1559 border_width = GTK_CONTAINER (widget)->border_width;
1560
1561 child_allocation.width = pmenu_item->pixmap->requisition.width;
1562 child_allocation.height = pmenu_item->pixmap->requisition.height;
1563 child_allocation.x = border_width + BORDER_SPACING;
1564 child_allocation.y = (border_width + BORDER_SPACING
1565 + (((allocation->height - child_allocation.height) - child_allocation.x)
1566 / 2)); /* center pixmaps vertically */
1567 gtk_widget_size_allocate (pmenu_item->pixmap, &child_allocation);
1568 }
1569
1570 if (GTK_WIDGET_CLASS (parent_class)->size_allocate)
1571 GTK_WIDGET_CLASS(parent_class)->size_allocate (widget, allocation);
1572 }
1573
1574 static void
1575 gtk_pixmap_menu_item_forall (GtkContainer *container,
1576 gboolean include_internals,
1577 GtkCallback callback,
1578 gpointer callback_data)
1579 {
1580 GtkPixmapMenuItem *menu_item;
1581
1582 g_return_if_fail (container != NULL);
1583 g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (container));
1584 g_return_if_fail (callback != NULL);
1585
1586 menu_item = GTK_PIXMAP_MENU_ITEM (container);
1587
1588 if (menu_item->pixmap)
1589 (* callback) (menu_item->pixmap, callback_data);
1590
1591 GTK_CONTAINER_CLASS(parent_class)->forall(container,include_internals,
1592 callback,callback_data);
1593 }
1594
1595 static void
1596 gtk_pixmap_menu_item_size_request (GtkWidget *widget,
1597 GtkRequisition *requisition)
1598 {
1599 GtkPixmapMenuItem *menu_item;
1600 GtkRequisition req = {0, 0};
1601
1602 g_return_if_fail (widget != NULL);
1603 g_return_if_fail (GTK_IS_MENU_ITEM (widget));
1604 g_return_if_fail (requisition != NULL);
1605
1606 GTK_WIDGET_CLASS(parent_class)->size_request(widget,requisition);
1607
1608 menu_item = GTK_PIXMAP_MENU_ITEM (widget);
1609
1610 if (menu_item->pixmap)
1611 gtk_widget_size_request(menu_item->pixmap, &req);
1612
1613 requisition->height = MAX(req.height + GTK_CONTAINER(widget)->border_width + BORDER_SPACING, (unsigned int) requisition->height);
1614 requisition->width += (req.width + GTK_CONTAINER(widget)->border_width + BORDER_SPACING);
1615 }
1616
1617 static void
1618 gtk_pixmap_menu_item_remove (GtkContainer *container,
1619 GtkWidget *child)
1620 {
1621 GtkBin *bin;
1622 gboolean widget_was_visible;
1623
1624 g_return_if_fail (container != NULL);
1625 g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (container));
1626 g_return_if_fail (child != NULL);
1627 g_return_if_fail (GTK_IS_WIDGET (child));
1628
1629 bin = GTK_BIN (container);
1630 g_return_if_fail ((bin->child == child ||
1631 (GTK_PIXMAP_MENU_ITEM(container)->pixmap == child)));
1632
1633 widget_was_visible = GTK_WIDGET_VISIBLE (child);
1634
1635 gtk_widget_unparent (child);
1636 if (bin->child == child)
1637 bin->child = NULL;
1638 else {
1639 GTK_PIXMAP_MENU_ITEM(container)->pixmap = NULL;
1640 changed_have_pixmap_status(GTK_PIXMAP_MENU_ITEM(container));
1641 }
1642
1643 if (widget_was_visible)
1644 gtk_widget_queue_resize (GTK_WIDGET (container));
1645 }
1646
1647
1648 /* important to only call this if there was actually a _change_ in pixmap == NULL */
1649 static void
1650 changed_have_pixmap_status (GtkPixmapMenuItem *menu_item)
1651 {
1652 if (menu_item->pixmap != NULL) {
1653 GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count += 1;
1654
1655 if (GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count == 1) {
1656 /* Install pixmap toggle size */
1657 GTK_MENU_ITEM_GET_CLASS(menu_item)->toggle_size = MAX(GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->orig_toggle_size, PMAP_WIDTH);
1658 }
1659 } else {
1660 GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count -= 1;
1661
1662 if (GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count == 0) {
1663 /* Install normal toggle size */
1664 GTK_MENU_ITEM_GET_CLASS(menu_item)->toggle_size = GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->orig_toggle_size;
1665 }
1666 }
1667
1668 /* Note that we actually need to do this for _all_ GtkPixmapMenuItem
1669 whenever the klass->toggle_size changes; but by doing it anytime
1670 this function is called, we get the same effect, just because of
1671 how the preferences option to show pixmaps works. Bogus, broken.
1672 */
1673 if (GTK_WIDGET_VISIBLE(GTK_WIDGET(menu_item)))
1674 gtk_widget_queue_resize(GTK_WIDGET(menu_item));
1675 }
1676
1677 #endif // USE_MENU_BITMAPS
1678