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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 <gdk/gdk.h>
26 #include <gdk/gdkkeysyms.h>
27 #include <gtk/gtk.h>
28
29 //-----------------------------------------------------------------------------
30 // idle system
31 //-----------------------------------------------------------------------------
32
33 extern void wxapp_install_idle_handler();
34 extern bool g_isIdle;
35
36 #if (GTK_MINOR_VERSION > 0) && wxUSE_ACCEL
37 static wxString GetHotKey( const wxMenuItem& item );
38 #endif
39
40 //-----------------------------------------------------------------------------
41 // substitute for missing GtkPixmapMenuItem
42 //-----------------------------------------------------------------------------
43
44 #define GTK_TYPE_PIXMAP_MENU_ITEM (gtk_pixmap_menu_item_get_type ())
45 #define GTK_PIXMAP_MENU_ITEM(obj) (GTK_CHECK_CAST ((obj), GTK_TYPE_PIXMAP_MENU_ITEM, GtkPixmapMenuItem))
46 #define GTK_PIXMAP_MENU_ITEM_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_PIXMAP_MENU_ITEM, GtkPixmapMenuItemClass))
47 #define GTK_IS_PIXMAP_MENU_ITEM(obj) (GTK_CHECK_TYPE ((obj), GTK_TYPE_PIXMAP_MENU_ITEM))
48 #define GTK_IS_PIXMAP_MENU_ITEM_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_PIXMAP_MENU_ITEM))
49 //#define GTK_PIXMAP_MENU_ITEM_GET_CLASS(obj) (GTK_CHECK_GET_CLASS ((obj), GTK_TYPE_PIXMAP_MENU_ITEM))
50 #define GTK_PIXMAP_MENU_ITEM_GET_CLASS(obj) (GTK_PIXMAP_MENU_ITEM_CLASS( GTK_OBJECT_GET_CLASS(obj)))
51
52 #ifndef GTK_MENU_ITEM_GET_CLASS
53 #define GTK_MENU_ITEM_GET_CLASS(obj) (GTK_MENU_ITEM_CLASS( GTK_OBJECT_GET_CLASS(obj)))
54 #endif
55
56 typedef struct _GtkPixmapMenuItem GtkPixmapMenuItem;
57 typedef struct _GtkPixmapMenuItemClass GtkPixmapMenuItemClass;
58
59 struct _GtkPixmapMenuItem
60 {
61 GtkMenuItem menu_item;
62
63 GtkWidget *pixmap;
64 };
65
66 struct _GtkPixmapMenuItemClass
67 {
68 GtkMenuItemClass parent_class;
69
70 guint orig_toggle_size;
71 guint have_pixmap_count;
72 };
73
74
75 GtkType gtk_pixmap_menu_item_get_type (void);
76 GtkWidget* gtk_pixmap_menu_item_new (void);
77 void gtk_pixmap_menu_item_set_pixmap (GtkPixmapMenuItem *menu_item,
78 GtkWidget *pixmap);
79
80 //-----------------------------------------------------------------------------
81 // idle system
82 //-----------------------------------------------------------------------------
83
84 static wxString wxReplaceUnderscore( const wxString& title )
85 {
86 const wxChar *pc;
87
88 /* GTK 1.2 wants to have "_" instead of "&" for accelerators */
89 wxString str;
90 for ( pc = title; *pc != wxT('\0'); pc++ )
91 {
92 if (*pc == wxT('&'))
93 {
94 #if (GTK_MINOR_VERSION > 0) && (GTK_MICRO_VERSION > 0)
95 str << wxT('_');
96 }
97 else if (*pc == wxT('/'))
98 {
99 str << wxT('\\');
100 #endif
101 }
102 else
103 {
104 #if __WXGTK12__
105 if ( *pc == wxT('_') )
106 {
107 // underscores must be doubled to prevent them from being
108 // interpreted as accelerator character prefix by GTK
109 str << *pc;
110 }
111 #endif // GTK+ 1.2
112
113 str << *pc;
114 }
115 }
116 return str;
117 }
118
119 //-----------------------------------------------------------------------------
120 // wxMenuBar
121 //-----------------------------------------------------------------------------
122
123 IMPLEMENT_DYNAMIC_CLASS(wxMenuBar,wxWindow)
124
125 wxMenuBar::wxMenuBar( long style )
126 {
127 /* the parent window is known after wxFrame::SetMenu() */
128 m_needParent = FALSE;
129 m_style = style;
130 m_invokingWindow = (wxWindow*) NULL;
131
132 if (!PreCreation( (wxWindow*) NULL, wxDefaultPosition, wxDefaultSize ) ||
133 !CreateBase( (wxWindow*) NULL, -1, wxDefaultPosition, wxDefaultSize, style, wxDefaultValidator, wxT("menubar") ))
134 {
135 wxFAIL_MSG( wxT("wxMenuBar creation failed") );
136 return;
137 }
138
139 m_menus.DeleteContents( TRUE );
140
141 /* GTK 1.2.0 doesn't have gtk_item_factory_get_item(), but GTK 1.2.1 has. */
142 #if (GTK_MINOR_VERSION > 0) && (GTK_MICRO_VERSION > 0)
143 m_accel = gtk_accel_group_new();
144 m_factory = gtk_item_factory_new( GTK_TYPE_MENU_BAR, "<main>", m_accel );
145 m_menubar = gtk_item_factory_get_widget( m_factory, "<main>" );
146 #else
147 m_menubar = gtk_menu_bar_new();
148 #endif
149
150 if (style & wxMB_DOCKABLE)
151 {
152 m_widget = gtk_handle_box_new();
153 gtk_container_add( GTK_CONTAINER(m_widget), GTK_WIDGET(m_menubar) );
154 gtk_widget_show( GTK_WIDGET(m_menubar) );
155 }
156 else
157 {
158 m_widget = GTK_WIDGET(m_menubar);
159 }
160
161 PostCreation();
162
163 ApplyWidgetStyle();
164 }
165
166 wxMenuBar::wxMenuBar()
167 {
168 /* the parent window is known after wxFrame::SetMenu() */
169 m_needParent = FALSE;
170 m_style = 0;
171 m_invokingWindow = (wxWindow*) NULL;
172
173 if (!PreCreation( (wxWindow*) NULL, wxDefaultPosition, wxDefaultSize ) ||
174 !CreateBase( (wxWindow*) NULL, -1, wxDefaultPosition, wxDefaultSize, 0, wxDefaultValidator, wxT("menubar") ))
175 {
176 wxFAIL_MSG( wxT("wxMenuBar creation failed") );
177 return;
178 }
179
180 m_menus.DeleteContents( TRUE );
181
182 /* GTK 1.2.0 doesn't have gtk_item_factory_get_item(), but GTK 1.2.1 has. */
183 #if (GTK_MINOR_VERSION > 0) && (GTK_MICRO_VERSION > 0)
184 m_accel = gtk_accel_group_new();
185 m_factory = gtk_item_factory_new( GTK_TYPE_MENU_BAR, "<main>", m_accel );
186 m_menubar = gtk_item_factory_get_widget( m_factory, "<main>" );
187 #else
188 m_menubar = gtk_menu_bar_new();
189 #endif
190
191 m_widget = GTK_WIDGET(m_menubar);
192
193 PostCreation();
194
195 ApplyWidgetStyle();
196 }
197
198 wxMenuBar::~wxMenuBar()
199 {
200 // gtk_object_unref( GTK_OBJECT(m_factory) ); why not ?
201 }
202
203 static void wxMenubarUnsetInvokingWindow( wxMenu *menu, wxWindow *win )
204 {
205 menu->SetInvokingWindow( (wxWindow*) NULL );
206
207 #if (GTK_MINOR_VERSION > 0)
208 wxWindow *top_frame = win;
209 while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
210 top_frame = top_frame->GetParent();
211
212 /* support for native hot keys */
213 gtk_accel_group_detach( menu->m_accel, GTK_OBJECT(top_frame->m_widget) );
214 #endif
215
216 wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
217 while (node)
218 {
219 wxMenuItem *menuitem = node->GetData();
220 if (menuitem->IsSubMenu())
221 wxMenubarUnsetInvokingWindow( menuitem->GetSubMenu(), win );
222 node = node->GetNext();
223 }
224 }
225
226 static void wxMenubarSetInvokingWindow( wxMenu *menu, wxWindow *win )
227 {
228 menu->SetInvokingWindow( win );
229
230 #if (GTK_MINOR_VERSION > 0) && (GTK_MICRO_VERSION > 0)
231 wxWindow *top_frame = win;
232 while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
233 top_frame = top_frame->GetParent();
234
235 /* support for native hot keys */
236 GtkObject *obj = GTK_OBJECT(top_frame->m_widget);
237 if ( !g_slist_find( menu->m_accel->attach_objects, obj ) )
238 gtk_accel_group_attach( menu->m_accel, obj );
239 #endif
240
241 wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
242 while (node)
243 {
244 wxMenuItem *menuitem = node->GetData();
245 if (menuitem->IsSubMenu())
246 wxMenubarSetInvokingWindow( menuitem->GetSubMenu(), win );
247 node = node->GetNext();
248 }
249 }
250
251 void wxMenuBar::SetInvokingWindow( wxWindow *win )
252 {
253 m_invokingWindow = win;
254 #if (GTK_MINOR_VERSION > 0) && (GTK_MICRO_VERSION > 0)
255 wxWindow *top_frame = win;
256 while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
257 top_frame = top_frame->GetParent();
258
259 /* support for native key accelerators indicated by underscroes */
260 GtkObject *obj = GTK_OBJECT(top_frame->m_widget);
261 if ( !g_slist_find( m_accel->attach_objects, obj ) )
262 gtk_accel_group_attach( m_accel, obj );
263 #endif
264
265 wxMenuList::Node *node = m_menus.GetFirst();
266 while (node)
267 {
268 wxMenu *menu = node->GetData();
269 wxMenubarSetInvokingWindow( menu, win );
270 node = node->GetNext();
271 }
272 }
273
274 void wxMenuBar::UnsetInvokingWindow( wxWindow *win )
275 {
276 m_invokingWindow = (wxWindow*) NULL;
277 #if (GTK_MINOR_VERSION > 0) && (GTK_MICRO_VERSION > 0)
278 wxWindow *top_frame = win;
279 while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
280 top_frame = top_frame->GetParent();
281
282 /* support for native key accelerators indicated by underscroes */
283 gtk_accel_group_detach( m_accel, GTK_OBJECT(top_frame->m_widget) );
284 #endif
285
286 wxMenuList::Node *node = m_menus.GetFirst();
287 while (node)
288 {
289 wxMenu *menu = node->GetData();
290 wxMenubarUnsetInvokingWindow( menu, win );
291 node = node->GetNext();
292 }
293 }
294
295 bool wxMenuBar::Append( wxMenu *menu, const wxString &title )
296 {
297 if ( !wxMenuBarBase::Append( menu, title ) )
298 return FALSE;
299
300 return GtkAppend(menu, title);
301 }
302
303 bool wxMenuBar::GtkAppend(wxMenu *menu, const wxString& title)
304 {
305 wxString str( wxReplaceUnderscore( title ) );
306
307 /* this doesn't have much effect right now */
308 menu->SetTitle( str );
309
310 /* GTK 1.2.0 doesn't have gtk_item_factory_get_item(), but GTK 1.2.1 has. */
311 #if (GTK_MINOR_VERSION > 0) && (GTK_MICRO_VERSION > 0)
312
313 /* local buffer in multibyte form */
314 wxString buf;
315 buf << wxT('/') << str.c_str();
316
317 char *cbuf = new char[buf.Length()+1];
318 strcpy(cbuf, buf.mbc_str());
319
320 GtkItemFactoryEntry entry;
321 entry.path = (gchar *)cbuf; // const_cast
322 entry.accelerator = (gchar*) NULL;
323 entry.callback = (GtkItemFactoryCallback) NULL;
324 entry.callback_action = 0;
325 entry.item_type = "<Branch>";
326
327 gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 ); /* what is 2 ? */
328 /* in order to get the pointer to the item we need the item text _without_ underscores */
329 wxString tmp = wxT("<main>/");
330 const wxChar *pc;
331 for ( pc = str; *pc != wxT('\0'); pc++ )
332 {
333 // contrary to the common sense, we must throw out _all_ underscores,
334 // (i.e. "Hello__World" => "HelloWorld" and not "Hello_World" as we
335 // might naively think). IMHO it's a bug in GTK+ (VZ)
336 while (*pc == wxT('_'))
337 pc++;
338 tmp << *pc;
339 }
340 menu->m_owner = gtk_item_factory_get_item( m_factory, tmp.mb_str() );
341 gtk_menu_item_set_submenu( GTK_MENU_ITEM(menu->m_owner), menu->m_menu );
342 delete [] cbuf;
343 #else
344
345 menu->m_owner = gtk_menu_item_new_with_label( str.mb_str() );
346 gtk_widget_show( menu->m_owner );
347 gtk_menu_item_set_submenu( GTK_MENU_ITEM(menu->m_owner), menu->m_menu );
348
349 gtk_menu_bar_append( GTK_MENU_BAR(m_menubar), menu->m_owner );
350
351 #endif
352
353 // m_invokingWindow is set after wxFrame::SetMenuBar(). This call enables
354 // adding menu later on.
355 if (m_invokingWindow)
356 wxMenubarSetInvokingWindow( menu, m_invokingWindow );
357
358 return TRUE;
359 }
360
361 bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title)
362 {
363 if ( !wxMenuBarBase::Insert(pos, menu, title) )
364 return FALSE;
365
366 #if __WXGTK12__
367 // GTK+ doesn't have a function to insert a menu using GtkItemFactory (as
368 // of version 1.2.6), so we first append the item and then change its
369 // index
370 if ( !GtkAppend(menu, title) )
371 return FALSE;
372
373 if (pos+1 >= m_menus.GetCount())
374 return TRUE;
375
376 GtkMenuShell *menu_shell = GTK_MENU_SHELL(m_factory->widget);
377 gpointer data = g_list_last(menu_shell->children)->data;
378 menu_shell->children = g_list_remove(menu_shell->children, data);
379 menu_shell->children = g_list_insert(menu_shell->children, data, pos);
380
381 return TRUE;
382 #else // GTK < 1.2
383 // this should be easy to do with GTK 1.0 - can use standard functions for
384 // this and don't need any hacks like above, but as I don't have GTK 1.0
385 // any more I can't do it
386 wxFAIL_MSG( wxT("TODO") );
387
388 return FALSE;
389 #endif // GTK 1.2/1.0
390 }
391
392 wxMenu *wxMenuBar::Replace(size_t pos, wxMenu *menu, const wxString& title)
393 {
394 // remove the old item and insert a new one
395 wxMenu *menuOld = Remove(pos);
396 if ( menuOld && !Insert(pos, menu, title) )
397 {
398 return (wxMenu*) NULL;
399 }
400
401 // either Insert() succeeded or Remove() failed and menuOld is NULL
402 return menuOld;
403 }
404
405 wxMenu *wxMenuBar::Remove(size_t pos)
406 {
407 wxMenu *menu = wxMenuBarBase::Remove(pos);
408 if ( !menu )
409 return (wxMenu*) NULL;
410
411 /*
412 GtkMenuShell *menu_shell = GTK_MENU_SHELL(m_factory->widget);
413
414 printf( "factory entries before %d\n", (int)g_slist_length(m_factory->items) );
415 printf( "menu shell entries before %d\n", (int)g_list_length( menu_shell->children ) );
416 */
417
418 // unparent calls unref() and that would delete the widget so we raise
419 // the ref count to 2 artificially before invoking unparent.
420 gtk_widget_ref( menu->m_menu );
421 gtk_widget_unparent( menu->m_menu );
422
423 gtk_widget_destroy( menu->m_owner );
424
425 /*
426 printf( "factory entries after %d\n", (int)g_slist_length(m_factory->items) );
427 printf( "menu shell entries after %d\n", (int)g_list_length( menu_shell->children ) );
428 */
429
430 return menu;
431 }
432
433 static int FindMenuItemRecursive( const wxMenu *menu, const wxString &menuString, const wxString &itemString )
434 {
435 if (wxMenuItem::GetLabelFromText(menu->GetTitle()) == wxMenuItem::GetLabelFromText(menuString))
436 {
437 int res = menu->FindItem( itemString );
438 if (res != wxNOT_FOUND)
439 return res;
440 }
441
442 wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
443 while (node)
444 {
445 wxMenuItem *item = node->GetData();
446 if (item->IsSubMenu())
447 return FindMenuItemRecursive(item->GetSubMenu(), menuString, itemString);
448
449 node = node->GetNext();
450 }
451
452 return wxNOT_FOUND;
453 }
454
455 int wxMenuBar::FindMenuItem( const wxString &menuString, const wxString &itemString ) const
456 {
457 wxMenuList::Node *node = m_menus.GetFirst();
458 while (node)
459 {
460 wxMenu *menu = node->GetData();
461 int res = FindMenuItemRecursive( menu, menuString, itemString);
462 if (res != -1)
463 return res;
464 node = node->GetNext();
465 }
466
467 return wxNOT_FOUND;
468 }
469
470 // Find a wxMenuItem using its id. Recurses down into sub-menus
471 static wxMenuItem* FindMenuItemByIdRecursive(const wxMenu* menu, int id)
472 {
473 wxMenuItem* result = menu->FindChildItem(id);
474
475 wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
476 while ( node && result == NULL )
477 {
478 wxMenuItem *item = node->GetData();
479 if (item->IsSubMenu())
480 {
481 result = FindMenuItemByIdRecursive( item->GetSubMenu(), id );
482 }
483 node = node->GetNext();
484 }
485
486 return result;
487 }
488
489 wxMenuItem* wxMenuBar::FindItem( int id, wxMenu **menuForItem ) const
490 {
491 wxMenuItem* result = 0;
492 wxMenuList::Node *node = m_menus.GetFirst();
493 while (node && result == 0)
494 {
495 wxMenu *menu = node->GetData();
496 result = FindMenuItemByIdRecursive( menu, id );
497 node = node->GetNext();
498 }
499
500 if ( menuForItem )
501 {
502 *menuForItem = result ? result->GetMenu() : (wxMenu *)NULL;
503 }
504
505 return result;
506 }
507
508 void wxMenuBar::EnableTop( size_t pos, bool flag )
509 {
510 wxMenuList::Node *node = m_menus.Item( pos );
511
512 wxCHECK_RET( node, wxT("menu not found") );
513
514 wxMenu* menu = node->GetData();
515
516 if (menu->m_owner)
517 gtk_widget_set_sensitive( menu->m_owner, flag );
518 }
519
520 wxString wxMenuBar::GetLabelTop( size_t pos ) const
521 {
522 wxMenuList::Node *node = m_menus.Item( pos );
523
524 wxCHECK_MSG( node, wxT("invalid"), wxT("menu not found") );
525
526 wxMenu* menu = node->GetData();
527
528 wxString label;
529 wxString text( menu->GetTitle() );
530 #if (GTK_MINOR_VERSION > 0)
531 for ( const wxChar *pc = text.c_str(); *pc; pc++ )
532 {
533 if ( *pc == wxT('_') || *pc == wxT('&') )
534 {
535 // '_' is the escape character for GTK+ and '&' is the one for
536 // wxWindows - skip both of them
537 continue;
538 }
539
540 label += *pc;
541 }
542 #else // GTK+ 1.0
543 label = text;
544 #endif // GTK+ 1.2/1.0
545
546 return label;
547 }
548
549 void wxMenuBar::SetLabelTop( size_t pos, const wxString& label )
550 {
551 wxMenuList::Node *node = m_menus.Item( pos );
552
553 wxCHECK_RET( node, wxT("menu not found") );
554
555 wxMenu* menu = node->GetData();
556
557 wxString str( wxReplaceUnderscore( label ) );
558
559 menu->SetTitle( str );
560
561 if (menu->m_owner)
562 {
563 GtkLabel *label = GTK_LABEL( GTK_BIN(menu->m_owner)->child );
564
565 /* set new text */
566 gtk_label_set( label, str.mb_str());
567
568 /* reparse key accel */
569 (void)gtk_label_parse_uline (GTK_LABEL(label), str.mb_str() );
570 gtk_accel_label_refetch( GTK_ACCEL_LABEL(label) );
571 }
572
573 }
574
575 //-----------------------------------------------------------------------------
576 // "activate"
577 //-----------------------------------------------------------------------------
578
579 static void gtk_menu_clicked_callback( GtkWidget *widget, wxMenu *menu )
580 {
581 if (g_isIdle) wxapp_install_idle_handler();
582
583 int id = menu->FindMenuIdByMenuItem(widget);
584
585 /* should find it for normal (not popup) menu */
586 wxASSERT( (id != -1) || (menu->GetInvokingWindow() != NULL) );
587
588 if (!menu->IsEnabled(id))
589 return;
590
591 wxMenuItem* item = menu->FindChildItem( id );
592 wxCHECK_RET( item, wxT("error in menu item callback") );
593
594 if (item->IsCheckable())
595 {
596 bool isReallyChecked = item->IsChecked();
597 if ( item->wxMenuItemBase::IsChecked() == isReallyChecked )
598 {
599 /* the menu item has been checked by calling wxMenuItem->Check() */
600 return;
601 }
602 else
603 {
604 /* the user pressed on the menu item -> report and make consistent
605 * again */
606 item->wxMenuItemBase::Check(isReallyChecked);
607 }
608 }
609
610 wxCommandEvent event( wxEVT_COMMAND_MENU_SELECTED, id );
611 event.SetEventObject( menu );
612 if (item->IsCheckable())
613 event.SetInt( item->IsChecked() );
614
615 #if wxUSE_MENU_CALLBACK
616 if (menu->GetCallback())
617 {
618 (void) (*(menu->GetCallback())) (*menu, event);
619 return;
620 }
621 #endif // wxUSE_MENU_CALLBACK
622
623 if (menu->GetEventHandler()->ProcessEvent(event))
624 return;
625
626 wxWindow *win = menu->GetInvokingWindow();
627 if (win)
628 win->GetEventHandler()->ProcessEvent( event );
629 }
630
631 //-----------------------------------------------------------------------------
632 // "select"
633 //-----------------------------------------------------------------------------
634
635 static void gtk_menu_hilight_callback( GtkWidget *widget, wxMenu *menu )
636 {
637 if (g_isIdle) wxapp_install_idle_handler();
638
639 int id = menu->FindMenuIdByMenuItem(widget);
640
641 wxASSERT( id != -1 ); // should find it!
642
643 if (!menu->IsEnabled(id))
644 return;
645
646 wxMenuEvent event( wxEVT_MENU_HIGHLIGHT, id );
647 event.SetEventObject( menu );
648
649 if (menu->GetEventHandler()->ProcessEvent(event))
650 return;
651
652 wxWindow *win = menu->GetInvokingWindow();
653 if (win) win->GetEventHandler()->ProcessEvent( event );
654 }
655
656 //-----------------------------------------------------------------------------
657 // "deselect"
658 //-----------------------------------------------------------------------------
659
660 static void gtk_menu_nolight_callback( GtkWidget *widget, wxMenu *menu )
661 {
662 if (g_isIdle) wxapp_install_idle_handler();
663
664 int id = menu->FindMenuIdByMenuItem(widget);
665
666 wxASSERT( id != -1 ); // should find it!
667
668 if (!menu->IsEnabled(id))
669 return;
670
671 wxMenuEvent event( wxEVT_MENU_HIGHLIGHT, -1 );
672 event.SetEventObject( menu );
673
674 if (menu->GetEventHandler()->ProcessEvent(event))
675 return;
676
677 wxWindow *win = menu->GetInvokingWindow();
678 if (win)
679 win->GetEventHandler()->ProcessEvent( event );
680 }
681
682 //-----------------------------------------------------------------------------
683 // wxMenuItem
684 //-----------------------------------------------------------------------------
685
686 IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxMenuItemBase)
687
688 wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu,
689 int id,
690 const wxString& name,
691 const wxString& help,
692 bool isCheckable,
693 wxMenu *subMenu)
694 {
695 return new wxMenuItem(parentMenu, id, name, help, isCheckable, subMenu);
696 }
697
698 wxMenuItem::wxMenuItem(wxMenu *parentMenu,
699 int id,
700 const wxString& text,
701 const wxString& help,
702 bool isCheckable,
703 wxMenu *subMenu)
704 {
705 m_id = id;
706 m_isCheckable = isCheckable;
707 m_isChecked = FALSE;
708 m_isEnabled = TRUE;
709 m_subMenu = subMenu;
710 m_parentMenu = parentMenu;
711 m_help = help;
712
713 m_labelWidget = (GtkWidget *) NULL;
714 m_menuItem = (GtkWidget *) NULL;
715
716 DoSetText(text);
717 }
718
719 wxMenuItem::~wxMenuItem()
720 {
721 // don't delete menu items, the menus take care of that
722 }
723
724 // return the menu item text without any menu accels
725 /* static */
726 wxString wxMenuItemBase::GetLabelFromText(const wxString& text)
727 {
728 wxString label;
729 #if (GTK_MINOR_VERSION > 0)
730 for ( const wxChar *pc = text.c_str(); *pc; pc++ )
731 {
732 if ( *pc == wxT('_') || *pc == wxT('&') )
733 {
734 // '_' is the escape character for GTK+ and '&' is the one for
735 // wxWindows - skip both of them
736 continue;
737 }
738
739 label += *pc;
740 }
741 #else // GTK+ 1.0
742 label = text;
743 #endif // GTK+ 1.2/1.0
744
745 return label;
746 }
747
748 void wxMenuItem::SetText( const wxString& str )
749 {
750 DoSetText(str);
751
752 if (m_menuItem)
753 {
754 GtkLabel *label;
755 if (m_labelWidget)
756 label = (GtkLabel*) m_labelWidget;
757 else
758 label = GTK_LABEL( GTK_BIN(m_menuItem)->child );
759
760 /* set new text */
761 gtk_label_set( label, m_text.mb_str());
762
763 /* reparse key accel */
764 (void)gtk_label_parse_uline (GTK_LABEL(label), m_text.mb_str() );
765 gtk_accel_label_refetch( GTK_ACCEL_LABEL(label) );
766 }
767 }
768
769 // it's valid for this function to be called even if m_menuItem == NULL
770 void wxMenuItem::DoSetText( const wxString& str )
771 {
772 /* '\t' is the deliminator indicating a hot key */
773 m_text.Empty();
774 const wxChar *pc = str;
775 for (; (*pc != wxT('\0')) && (*pc != wxT('\t')); pc++ )
776 {
777 if (*pc == wxT('&'))
778 {
779 #if (GTK_MINOR_VERSION > 0)
780 m_text << wxT('_');
781 }
782 else if ( *pc == wxT('_') ) // escape underscores
783 {
784 m_text << wxT("__");
785 }
786 else if (*pc == wxT('/')) /* we have to filter out slashes ... */
787 {
788 m_text << wxT('\\'); /* ... and replace them with back slashes */
789 #endif
790 }
791 else
792 m_text << *pc;
793 }
794
795 /* only GTK 1.2 knows about hot keys */
796 m_hotKey = wxT("");
797 #if (GTK_MINOR_VERSION > 0)
798 if(*pc == wxT('\t'))
799 {
800 pc++;
801 m_hotKey = pc;
802 }
803 #endif
804 }
805
806 #if wxUSE_ACCEL
807
808 wxAcceleratorEntry *wxMenuItem::GetAccel() const
809 {
810 if ( !GetHotKey() )
811 {
812 // nothing
813 return (wxAcceleratorEntry *)NULL;
814 }
815
816 // as wxGetAccelFromString() looks for TAB, insert a dummy one here
817 wxString label;
818 label << wxT('\t') << GetHotKey();
819
820 return wxGetAccelFromString(label);
821 }
822
823 #endif // wxUSE_ACCEL
824
825 void wxMenuItem::Check( bool check )
826 {
827 wxCHECK_RET( m_menuItem, wxT("invalid menu item") );
828
829 wxCHECK_RET( IsCheckable(), wxT("Can't check uncheckable item!") )
830
831 if (check == m_isChecked)
832 return;
833
834 wxMenuItemBase::Check( check );
835 gtk_check_menu_item_set_state( (GtkCheckMenuItem*)m_menuItem, (gint)check );
836 }
837
838 void wxMenuItem::Enable( bool enable )
839 {
840 wxCHECK_RET( m_menuItem, wxT("invalid menu item") );
841
842 gtk_widget_set_sensitive( m_menuItem, enable );
843 wxMenuItemBase::Enable( enable );
844 }
845
846 bool wxMenuItem::IsChecked() const
847 {
848 wxCHECK_MSG( m_menuItem, FALSE, wxT("invalid menu item") );
849
850 wxCHECK_MSG( IsCheckable(), FALSE,
851 wxT("can't get state of uncheckable item!") );
852
853 return ((GtkCheckMenuItem*)m_menuItem)->active != 0;
854 }
855
856 wxString wxMenuItem::GetFactoryPath() const
857 {
858 /* in order to get the pointer to the item we need the item text _without_
859 underscores */
860 wxString path( wxT("<main>/") );
861 path += GetLabel();
862
863 return path;
864 }
865
866 //-----------------------------------------------------------------------------
867 // wxMenu
868 //-----------------------------------------------------------------------------
869
870 IMPLEMENT_DYNAMIC_CLASS(wxMenu,wxEvtHandler)
871
872 void wxMenu::Init()
873 {
874 #if (GTK_MINOR_VERSION > 0)
875 m_accel = gtk_accel_group_new();
876 m_factory = gtk_item_factory_new( GTK_TYPE_MENU, "<main>", m_accel );
877 m_menu = gtk_item_factory_get_widget( m_factory, "<main>" );
878 #else
879 m_menu = gtk_menu_new(); // Do not show!
880 #endif
881
882 m_owner = (GtkWidget*) NULL;
883
884 #if (GTK_MINOR_VERSION > 0)
885 /* Tearoffs are entries, just like separators. So if we want this
886 menu to be a tear-off one, we just append a tearoff entry
887 immediately. */
888 if(m_style & wxMENU_TEAROFF)
889 {
890 GtkItemFactoryEntry entry;
891 entry.path = "/tearoff";
892 entry.callback = (GtkItemFactoryCallback) NULL;
893 entry.callback_action = 0;
894 entry.item_type = "<Tearoff>";
895 entry.accelerator = (gchar*) NULL;
896 gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 ); /* what is 2 ? */
897 //GtkWidget *menuItem = gtk_item_factory_get_widget( m_factory, "<main>/tearoff" );
898 }
899 #endif
900
901 // append the title as the very first entry if we have it
902 if ( !!m_title )
903 {
904 Append(-2, m_title);
905 AppendSeparator();
906 }
907 }
908
909 wxMenu::~wxMenu()
910 {
911 m_items.Clear();
912
913 gtk_widget_destroy( m_menu );
914
915 gtk_object_unref( GTK_OBJECT(m_factory) );
916 }
917
918 bool wxMenu::GtkAppend(wxMenuItem *mitem)
919 {
920 GtkWidget *menuItem;
921
922 bool appended = FALSE;
923
924 if ( mitem->IsSeparator() )
925 {
926 #if (GTK_MINOR_VERSION > 0)
927 GtkItemFactoryEntry entry;
928 entry.path = "/sep";
929 entry.callback = (GtkItemFactoryCallback) NULL;
930 entry.callback_action = 0;
931 entry.item_type = "<Separator>";
932 entry.accelerator = (gchar*) NULL;
933
934 gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 ); /* what is 2 ? */
935
936 /* this will be wrong for more than one separator. do we care? */
937 menuItem = gtk_item_factory_get_widget( m_factory, "<main>/sep" );
938 #else // GTK+ 1.0
939 menuItem = gtk_menu_item_new();
940 #endif // GTK 1.2/1.0
941 }
942 else if ( mitem->IsSubMenu() )
943 {
944 #if (GTK_MINOR_VERSION > 0)
945 /* text has "_" instead of "&" after mitem->SetText() */
946 wxString text( mitem->GetText() );
947
948 /* local buffer in multibyte form */
949 char buf[200];
950 strcpy( buf, "/" );
951 strcat( buf, text.mb_str() );
952
953 GtkItemFactoryEntry entry;
954 entry.path = buf;
955 entry.callback = (GtkItemFactoryCallback) 0;
956 entry.callback_action = 0;
957 entry.item_type = "<Branch>";
958 entry.accelerator = (gchar*) NULL;
959
960 gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 ); /* what is 2 ? */
961
962 wxString path( mitem->GetFactoryPath() );
963 menuItem = gtk_item_factory_get_item( m_factory, path.mb_str() );
964 #else // GTK+ 1.0
965 menuItem = gtk_menu_item_new_with_label(mitem->GetText().mbc_str());
966 #endif // GTK 1.2/1.0
967
968 gtk_menu_item_set_submenu( GTK_MENU_ITEM(menuItem), mitem->GetSubMenu()->m_menu );
969
970 // if adding a submenu to a menu already existing in the menu bar, we
971 // must set invoking window to allow processing events from this
972 // submenu
973 if ( m_invokingWindow )
974 wxMenubarSetInvokingWindow(mitem->GetSubMenu(), m_invokingWindow);
975 }
976 else if (mitem->GetBitmap().Ok()) // An item with bitmap
977 {
978 wxString text( mitem->GetText() );
979 const wxBitmap *bitmap = &mitem->GetBitmap();
980
981 menuItem = gtk_pixmap_menu_item_new ();
982 GtkWidget *label = gtk_accel_label_new (text.mb_str());
983 gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
984 gtk_container_add (GTK_CONTAINER (menuItem), label);
985 guint accel_key = gtk_label_parse_uline (GTK_LABEL(label), text.mb_str() );
986 gtk_accel_label_set_accel_widget (GTK_ACCEL_LABEL (label), menuItem);
987 if (accel_key != GDK_VoidSymbol)
988 {
989 gtk_widget_add_accelerator (menuItem,
990 "activate_item",
991 gtk_menu_ensure_uline_accel_group (GTK_MENU (m_menu)),
992 accel_key, 0,
993 GTK_ACCEL_LOCKED);
994 }
995 gtk_widget_show (label);
996
997 mitem->SetLabelWidget(label);
998
999 GtkWidget* pixmap = gtk_pixmap_new( bitmap->GetPixmap(), bitmap->GetMask() ? bitmap->GetMask()->GetBitmap() : (GdkBitmap* )NULL);
1000 gtk_widget_show(pixmap);
1001 gtk_pixmap_menu_item_set_pixmap(GTK_PIXMAP_MENU_ITEM( menuItem ), pixmap);
1002
1003 gtk_signal_connect( GTK_OBJECT(menuItem), "activate",
1004 GTK_SIGNAL_FUNC(gtk_menu_clicked_callback),
1005 (gpointer)this );
1006 gtk_menu_append( GTK_MENU(m_menu), menuItem );
1007 gtk_widget_show( menuItem );
1008
1009 appended = TRUE; // We've done this, don't do it again
1010 }
1011 else // a normal item
1012 {
1013 #if (GTK_MINOR_VERSION > 0)
1014 /* text has "_" instead of "&" after mitem->SetText() */
1015 wxString text( mitem->GetText() );
1016
1017 /* local buffer in multibyte form */
1018 char buf[200];
1019 strcpy( buf, "/" );
1020 strcat( buf, text.mb_str() );
1021
1022 GtkItemFactoryEntry entry;
1023 entry.path = buf;
1024 entry.callback = (GtkItemFactoryCallback) gtk_menu_clicked_callback;
1025 entry.callback_action = 0;
1026 if ( mitem->IsCheckable() )
1027 entry.item_type = "<CheckItem>";
1028 else
1029 entry.item_type = "<Item>";
1030 entry.accelerator = (gchar*) NULL;
1031
1032 #if wxUSE_ACCEL
1033 // due to an apparent bug in GTK+, we have to use a static buffer here -
1034 // otherwise GTK+ 1.2.2 manages to override the memory we pass to it
1035 // somehow! (VZ)
1036 static char s_accel[50]; // must be big enougg
1037 wxString tmp( GetHotKey(*mitem) );
1038 strncpy(s_accel, tmp.mb_str(), WXSIZEOF(s_accel));
1039 entry.accelerator = s_accel;
1040 #else // !wxUSE_ACCEL
1041 entry.accelerator = (char*) NULL;
1042 #endif // wxUSE_ACCEL/!wxUSE_ACCEL
1043
1044 gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 ); /* what is 2 ? */
1045
1046 wxString path( mitem->GetFactoryPath() );
1047 menuItem = gtk_item_factory_get_widget( m_factory, path.mb_str() );
1048 #else // GTK+ 1.0
1049 menuItem = checkable ? gtk_check_menu_item_new_with_label( mitem->GetText().mb_str() )
1050 : gtk_menu_item_new_with_label( mitem->GetText().mb_str() );
1051
1052 gtk_signal_connect( GTK_OBJECT(menuItem), "activate",
1053 GTK_SIGNAL_FUNC(gtk_menu_clicked_callback),
1054 (gpointer)this );
1055 #endif // GTK+ 1.2/1.0
1056 }
1057
1058 if ( !mitem->IsSeparator() )
1059 {
1060 gtk_signal_connect( GTK_OBJECT(menuItem), "select",
1061 GTK_SIGNAL_FUNC(gtk_menu_hilight_callback),
1062 (gpointer)this );
1063
1064 gtk_signal_connect( GTK_OBJECT(menuItem), "deselect",
1065 GTK_SIGNAL_FUNC(gtk_menu_nolight_callback),
1066 (gpointer)this );
1067 }
1068
1069 #if GTK_MINOR_VERSION == 0
1070 if (!appended)
1071 {
1072 gtk_menu_append( GTK_MENU(m_menu), menuItem );
1073 gtk_widget_show( menuItem );
1074 }
1075 #endif // GTK+ 1.0
1076
1077 mitem->SetMenuItem(menuItem);
1078
1079 return TRUE;
1080 }
1081
1082 bool wxMenu::DoAppend(wxMenuItem *mitem)
1083 {
1084 return GtkAppend(mitem) && wxMenuBase::DoAppend(mitem);
1085 }
1086
1087 bool wxMenu::DoInsert(size_t pos, wxMenuItem *item)
1088 {
1089 if ( !wxMenuBase::DoInsert(pos, item) )
1090 return FALSE;
1091
1092 #ifdef __WXGTK12__
1093 // GTK+ doesn't have a function to insert a menu using GtkItemFactory (as
1094 // of version 1.2.6), so we first append the item and then change its
1095 // index
1096 if ( !GtkAppend(item) )
1097 return FALSE;
1098
1099 if ( m_style & wxMENU_TEAROFF )
1100 {
1101 // change the position as the first item is the tear-off marker
1102 pos++;
1103 }
1104
1105 GtkMenuShell *menu_shell = GTK_MENU_SHELL(m_factory->widget);
1106 gpointer data = g_list_last(menu_shell->children)->data;
1107 menu_shell->children = g_list_remove(menu_shell->children, data);
1108 menu_shell->children = g_list_insert(menu_shell->children, data, pos);
1109
1110 return TRUE;
1111 #else // GTK < 1.2
1112 // this should be easy to do...
1113 wxFAIL_MSG( wxT("not implemented") );
1114
1115 return FALSE;
1116 #endif // GTK 1.2/1.0
1117 }
1118
1119 wxMenuItem *wxMenu::DoRemove(wxMenuItem *item)
1120 {
1121 if ( !wxMenuBase::DoRemove(item) )
1122 return (wxMenuItem *)NULL;
1123
1124 // TODO: this code doesn't delete the item factory item and this seems
1125 // impossible as of GTK 1.2.6.
1126 gtk_widget_destroy( item->GetMenuItem() );
1127
1128 return item;
1129 }
1130
1131 int wxMenu::FindMenuIdByMenuItem( GtkWidget *menuItem ) const
1132 {
1133 wxNode *node = m_items.First();
1134 while (node)
1135 {
1136 wxMenuItem *item = (wxMenuItem*)node->Data();
1137 if (item->GetMenuItem() == menuItem)
1138 return item->GetId();
1139 node = node->Next();
1140 }
1141
1142 return wxNOT_FOUND;
1143 }
1144
1145 // ----------------------------------------------------------------------------
1146 // helpers
1147 // ----------------------------------------------------------------------------
1148
1149 #if (GTK_MINOR_VERSION > 0) && wxUSE_ACCEL
1150 static wxString GetHotKey( const wxMenuItem& item )
1151 {
1152 wxString hotkey;
1153
1154 wxAcceleratorEntry *accel = item.GetAccel();
1155 if ( accel )
1156 {
1157 int flags = accel->GetFlags();
1158 if ( flags & wxACCEL_ALT )
1159 hotkey += wxT("<alt>");
1160 if ( flags & wxACCEL_CTRL )
1161 hotkey += wxT("<control>");
1162 if ( flags & wxACCEL_SHIFT )
1163 hotkey += wxT("<shift>");
1164
1165 int code = accel->GetKeyCode();
1166 switch ( code )
1167 {
1168 case WXK_F1:
1169 case WXK_F2:
1170 case WXK_F3:
1171 case WXK_F4:
1172 case WXK_F5:
1173 case WXK_F6:
1174 case WXK_F7:
1175 case WXK_F8:
1176 case WXK_F9:
1177 case WXK_F10:
1178 case WXK_F11:
1179 case WXK_F12:
1180 hotkey << wxT('F') << code - WXK_F1 + 1;
1181 break;
1182
1183 // GTK seems to use XStringToKeySym here
1184 case WXK_NUMPAD_INSERT:
1185 hotkey << wxT("KP_Insert" );
1186 break;
1187 case WXK_NUMPAD_DELETE:
1188 hotkey << wxT("KP_Delete" );
1189 break;
1190 case WXK_INSERT:
1191 hotkey << wxT("Insert" );
1192 break;
1193 case WXK_DELETE:
1194 hotkey << wxT("Delete" );
1195 break;
1196
1197 // if there are any other keys wxGetAccelFromString() may return,
1198 // we should process them here
1199
1200 default:
1201 if ( wxIsalnum(code) )
1202 {
1203 hotkey << (wxChar)code;
1204
1205 break;
1206 }
1207
1208 wxFAIL_MSG( wxT("unknown keyboard accel") );
1209 }
1210
1211 delete accel;
1212 }
1213
1214 return hotkey;
1215 }
1216 #endif // wxUSE_ACCEL
1217
1218
1219 //-----------------------------------------------------------------------------
1220 // substitute for missing GtkPixmapMenuItem
1221 //-----------------------------------------------------------------------------
1222
1223 /*
1224 * Copyright (C) 1998, 1999, 2000 Free Software Foundation
1225 * All rights reserved.
1226 *
1227 * This file is part of the Gnome Library.
1228 *
1229 * The Gnome Library is free software; you can redistribute it and/or
1230 * modify it under the terms of the GNU Library General Public License as
1231 * published by the Free Software Foundation; either version 2 of the
1232 * License, or (at your option) any later version.
1233 *
1234 * The Gnome Library is distributed in the hope that it will be useful,
1235 * but WITHOUT ANY WARRANTY; without even the implied warranty of
1236 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
1237 * Library General Public License for more details.
1238 *
1239 * You should have received a copy of the GNU Library General Public
1240 * License along with the Gnome Library; see the file COPYING.LIB. If not,
1241 * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
1242 * Boston, MA 02111-1307, USA.
1243 */
1244 /*
1245 @NOTATION@
1246 */
1247
1248 /* Author: Dietmar Maurer <dm@vlsivie.tuwien.ac.at> */
1249
1250 #include <gtk/gtkaccellabel.h>
1251 #include <gtk/gtksignal.h>
1252 #include <gtk/gtkmenuitem.h>
1253 #include <gtk/gtkmenu.h>
1254 #include <gtk/gtkcontainer.h>
1255
1256 static void gtk_pixmap_menu_item_class_init (GtkPixmapMenuItemClass *klass);
1257 static void gtk_pixmap_menu_item_init (GtkPixmapMenuItem *menu_item);
1258 static void gtk_pixmap_menu_item_draw (GtkWidget *widget,
1259 GdkRectangle *area);
1260 static gint gtk_pixmap_menu_item_expose (GtkWidget *widget,
1261 GdkEventExpose *event);
1262
1263 /* we must override the following functions */
1264
1265 static void gtk_pixmap_menu_item_map (GtkWidget *widget);
1266 static void gtk_pixmap_menu_item_size_allocate (GtkWidget *widget,
1267 GtkAllocation *allocation);
1268 static void gtk_pixmap_menu_item_forall (GtkContainer *container,
1269 gboolean include_internals,
1270 GtkCallback callback,
1271 gpointer callback_data);
1272 static void gtk_pixmap_menu_item_size_request (GtkWidget *widget,
1273 GtkRequisition *requisition);
1274 static void gtk_pixmap_menu_item_remove (GtkContainer *container,
1275 GtkWidget *child);
1276
1277 static void changed_have_pixmap_status (GtkPixmapMenuItem *menu_item);
1278
1279 static GtkMenuItemClass *parent_class = NULL;
1280
1281 #define BORDER_SPACING 3
1282 #define PMAP_WIDTH 20
1283
1284 GtkType
1285 gtk_pixmap_menu_item_get_type (void)
1286 {
1287 static GtkType pixmap_menu_item_type = 0;
1288
1289 if (!pixmap_menu_item_type)
1290 {
1291 GtkTypeInfo pixmap_menu_item_info =
1292 {
1293 "GtkPixmapMenuItem",
1294 sizeof (GtkPixmapMenuItem),
1295 sizeof (GtkPixmapMenuItemClass),
1296 (GtkClassInitFunc) gtk_pixmap_menu_item_class_init,
1297 (GtkObjectInitFunc) gtk_pixmap_menu_item_init,
1298 /* reserved_1 */ NULL,
1299 /* reserved_2 */ NULL,
1300 (GtkClassInitFunc) NULL,
1301 };
1302
1303 pixmap_menu_item_type = gtk_type_unique (gtk_menu_item_get_type (),
1304 &pixmap_menu_item_info);
1305 }
1306
1307 return pixmap_menu_item_type;
1308 }
1309
1310 /**
1311 * gtk_pixmap_menu_item_new
1312 *
1313 * Creates a new pixmap menu item. Use gtk_pixmap_menu_item_set_pixmap()
1314 * to set the pixmap wich is displayed at the left side.
1315 *
1316 * Returns:
1317 * &GtkWidget pointer to new menu item
1318 **/
1319
1320 GtkWidget*
1321 gtk_pixmap_menu_item_new (void)
1322 {
1323 return GTK_WIDGET (gtk_type_new (gtk_pixmap_menu_item_get_type ()));
1324 }
1325
1326 static void
1327 gtk_pixmap_menu_item_class_init (GtkPixmapMenuItemClass *klass)
1328 {
1329 GtkObjectClass *object_class;
1330 GtkWidgetClass *widget_class;
1331 GtkMenuItemClass *menu_item_class;
1332 GtkContainerClass *container_class;
1333
1334 object_class = (GtkObjectClass*) klass;
1335 widget_class = (GtkWidgetClass*) klass;
1336 menu_item_class = (GtkMenuItemClass*) klass;
1337 container_class = (GtkContainerClass*) klass;
1338
1339 parent_class = (GtkMenuItemClass*) gtk_type_class (gtk_menu_item_get_type ());
1340
1341 widget_class->draw = gtk_pixmap_menu_item_draw;
1342 widget_class->expose_event = gtk_pixmap_menu_item_expose;
1343 widget_class->map = gtk_pixmap_menu_item_map;
1344 widget_class->size_allocate = gtk_pixmap_menu_item_size_allocate;
1345 widget_class->size_request = gtk_pixmap_menu_item_size_request;
1346
1347 container_class->forall = gtk_pixmap_menu_item_forall;
1348 container_class->remove = gtk_pixmap_menu_item_remove;
1349
1350 klass->orig_toggle_size = menu_item_class->toggle_size;
1351 klass->have_pixmap_count = 0;
1352 }
1353
1354 static void
1355 gtk_pixmap_menu_item_init (GtkPixmapMenuItem *menu_item)
1356 {
1357 GtkMenuItem *mi;
1358
1359 mi = GTK_MENU_ITEM (menu_item);
1360
1361 menu_item->pixmap = NULL;
1362 }
1363
1364 static void
1365 gtk_pixmap_menu_item_draw (GtkWidget *widget,
1366 GdkRectangle *area)
1367 {
1368 g_return_if_fail (widget != NULL);
1369 g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (widget));
1370 g_return_if_fail (area != NULL);
1371
1372 if (GTK_WIDGET_CLASS (parent_class)->draw)
1373 (* GTK_WIDGET_CLASS (parent_class)->draw) (widget, area);
1374
1375 if (GTK_WIDGET_DRAWABLE (widget) &&
1376 GTK_PIXMAP_MENU_ITEM(widget)->pixmap) {
1377 gtk_widget_draw(GTK_WIDGET(GTK_PIXMAP_MENU_ITEM(widget)->pixmap),NULL);
1378 }
1379 }
1380
1381 static gint
1382 gtk_pixmap_menu_item_expose (GtkWidget *widget,
1383 GdkEventExpose *event)
1384 {
1385 g_return_val_if_fail (widget != NULL, FALSE);
1386 g_return_val_if_fail (GTK_IS_PIXMAP_MENU_ITEM (widget), FALSE);
1387 g_return_val_if_fail (event != NULL, FALSE);
1388
1389 if (GTK_WIDGET_CLASS (parent_class)->expose_event)
1390 (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
1391
1392 if (GTK_WIDGET_DRAWABLE (widget) &&
1393 GTK_PIXMAP_MENU_ITEM(widget)->pixmap) {
1394 gtk_widget_draw(GTK_WIDGET(GTK_PIXMAP_MENU_ITEM(widget)->pixmap),NULL);
1395 }
1396
1397 return FALSE;
1398 }
1399
1400 /**
1401 * gtk_pixmap_menu_item_set_pixmap
1402 * @menu_item: Pointer to the pixmap menu item
1403 * @pixmap: Pointer to a pixmap widget
1404 *
1405 * Set the pixmap of the menu item.
1406 *
1407 **/
1408
1409 void
1410 gtk_pixmap_menu_item_set_pixmap (GtkPixmapMenuItem *menu_item,
1411 GtkWidget *pixmap)
1412 {
1413 g_return_if_fail (menu_item != NULL);
1414 g_return_if_fail (pixmap != NULL);
1415 g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (menu_item));
1416 g_return_if_fail (GTK_IS_WIDGET (pixmap));
1417 g_return_if_fail (menu_item->pixmap == NULL);
1418
1419 gtk_widget_set_parent (pixmap, GTK_WIDGET (menu_item));
1420 menu_item->pixmap = pixmap;
1421
1422 if (GTK_WIDGET_REALIZED (pixmap->parent) &&
1423 !GTK_WIDGET_REALIZED (pixmap))
1424 gtk_widget_realize (pixmap);
1425
1426 if (GTK_WIDGET_VISIBLE (pixmap->parent)) {
1427 if (GTK_WIDGET_MAPPED (pixmap->parent) &&
1428 GTK_WIDGET_VISIBLE(pixmap) &&
1429 !GTK_WIDGET_MAPPED (pixmap))
1430 gtk_widget_map (pixmap);
1431 }
1432
1433 changed_have_pixmap_status(menu_item);
1434
1435 if (GTK_WIDGET_VISIBLE (pixmap) && GTK_WIDGET_VISIBLE (menu_item))
1436 gtk_widget_queue_resize (pixmap);
1437 }
1438
1439 static void
1440 gtk_pixmap_menu_item_map (GtkWidget *widget)
1441 {
1442 GtkPixmapMenuItem *menu_item;
1443
1444 g_return_if_fail (widget != NULL);
1445 g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (widget));
1446
1447 menu_item = GTK_PIXMAP_MENU_ITEM(widget);
1448
1449 GTK_WIDGET_CLASS(parent_class)->map(widget);
1450
1451 if (menu_item->pixmap &&
1452 GTK_WIDGET_VISIBLE (menu_item->pixmap) &&
1453 !GTK_WIDGET_MAPPED (menu_item->pixmap))
1454 gtk_widget_map (menu_item->pixmap);
1455 }
1456
1457 static void
1458 gtk_pixmap_menu_item_size_allocate (GtkWidget *widget,
1459 GtkAllocation *allocation)
1460 {
1461 GtkPixmapMenuItem *pmenu_item;
1462
1463 pmenu_item = GTK_PIXMAP_MENU_ITEM(widget);
1464
1465 if (pmenu_item->pixmap && GTK_WIDGET_VISIBLE(pmenu_item))
1466 {
1467 GtkAllocation child_allocation;
1468 int border_width;
1469
1470 border_width = GTK_CONTAINER (widget)->border_width;
1471
1472 child_allocation.width = pmenu_item->pixmap->requisition.width;
1473 child_allocation.height = pmenu_item->pixmap->requisition.height;
1474 child_allocation.x = border_width + BORDER_SPACING;
1475 child_allocation.y = (border_width + BORDER_SPACING
1476 + (((allocation->height - child_allocation.height) - child_allocation.x)
1477 / 2)); /* center pixmaps vertically */
1478 gtk_widget_size_allocate (pmenu_item->pixmap, &child_allocation);
1479 }
1480
1481 if (GTK_WIDGET_CLASS (parent_class)->size_allocate)
1482 GTK_WIDGET_CLASS(parent_class)->size_allocate (widget, allocation);
1483 }
1484
1485 static void
1486 gtk_pixmap_menu_item_forall (GtkContainer *container,
1487 gboolean include_internals,
1488 GtkCallback callback,
1489 gpointer callback_data)
1490 {
1491 GtkPixmapMenuItem *menu_item;
1492
1493 g_return_if_fail (container != NULL);
1494 g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (container));
1495 g_return_if_fail (callback != NULL);
1496
1497 menu_item = GTK_PIXMAP_MENU_ITEM (container);
1498
1499 if (menu_item->pixmap)
1500 (* callback) (menu_item->pixmap, callback_data);
1501
1502 GTK_CONTAINER_CLASS(parent_class)->forall(container,include_internals,
1503 callback,callback_data);
1504 }
1505
1506 static void
1507 gtk_pixmap_menu_item_size_request (GtkWidget *widget,
1508 GtkRequisition *requisition)
1509 {
1510 GtkPixmapMenuItem *menu_item;
1511 GtkRequisition req = {0, 0};
1512
1513 g_return_if_fail (widget != NULL);
1514 g_return_if_fail (GTK_IS_MENU_ITEM (widget));
1515 g_return_if_fail (requisition != NULL);
1516
1517 GTK_WIDGET_CLASS(parent_class)->size_request(widget,requisition);
1518
1519 menu_item = GTK_PIXMAP_MENU_ITEM (widget);
1520
1521 if (menu_item->pixmap)
1522 gtk_widget_size_request(menu_item->pixmap, &req);
1523
1524 requisition->height = MAX(req.height + GTK_CONTAINER(widget)->border_width + BORDER_SPACING, (unsigned int) requisition->height);
1525 requisition->width += (req.width + GTK_CONTAINER(widget)->border_width + BORDER_SPACING);
1526 }
1527
1528 static void
1529 gtk_pixmap_menu_item_remove (GtkContainer *container,
1530 GtkWidget *child)
1531 {
1532 GtkBin *bin;
1533 gboolean widget_was_visible;
1534
1535 g_return_if_fail (container != NULL);
1536 g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (container));
1537 g_return_if_fail (child != NULL);
1538 g_return_if_fail (GTK_IS_WIDGET (child));
1539
1540 bin = GTK_BIN (container);
1541 g_return_if_fail ((bin->child == child ||
1542 (GTK_PIXMAP_MENU_ITEM(container)->pixmap == child)));
1543
1544 widget_was_visible = GTK_WIDGET_VISIBLE (child);
1545
1546 gtk_widget_unparent (child);
1547 if (bin->child == child)
1548 bin->child = NULL;
1549 else {
1550 GTK_PIXMAP_MENU_ITEM(container)->pixmap = NULL;
1551 changed_have_pixmap_status(GTK_PIXMAP_MENU_ITEM(container));
1552 }
1553
1554 if (widget_was_visible)
1555 gtk_widget_queue_resize (GTK_WIDGET (container));
1556 }
1557
1558
1559 /* important to only call this if there was actually a _change_ in pixmap == NULL */
1560 static void
1561 changed_have_pixmap_status (GtkPixmapMenuItem *menu_item)
1562 {
1563 if (menu_item->pixmap != NULL) {
1564 GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count += 1;
1565
1566 if (GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count == 1) {
1567 /* Install pixmap toggle size */
1568 GTK_MENU_ITEM_GET_CLASS(menu_item)->toggle_size = MAX(GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->orig_toggle_size, PMAP_WIDTH);
1569 }
1570 } else {
1571 GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count -= 1;
1572
1573 if (GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count == 0) {
1574 /* Install normal toggle size */
1575 GTK_MENU_ITEM_GET_CLASS(menu_item)->toggle_size = GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->orig_toggle_size;
1576 }
1577 }
1578
1579 /* Note that we actually need to do this for _all_ GtkPixmapMenuItem
1580 whenever the klass->toggle_size changes; but by doing it anytime
1581 this function is called, we get the same effect, just because of
1582 how the preferences option to show pixmaps works. Bogus, broken.
1583 */
1584 if (GTK_WIDGET_VISIBLE(GTK_WIDGET(menu_item)))
1585 gtk_widget_queue_resize(GTK_WIDGET(menu_item));
1586 }
1587
1588
wxWidgets (Impactor)