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fix for radio items creation
[wxWidgets.git] / src / gtk1 / menu.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: menu.cpp
3 // Purpose:
4 // Author: Robert Roebling
5 // Id: $Id$
6 // Copyright: (c) 1998 Robert Roebling
7 // Licence: wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
9
10 #ifdef __GNUG__
11 #pragma implementation "menu.h"
12 #pragma implementation "menuitem.h"
13 #endif
14
15 #include "wx/log.h"
16 #include "wx/intl.h"
17 #include "wx/app.h"
18 #include "wx/bitmap.h"
19 #include "wx/menu.h"
20
21 #if wxUSE_ACCEL
22 #include "wx/accel.h"
23 #endif // wxUSE_ACCEL
24
25 #include "wx/gtk/private.h"
26
27 #include <gdk/gdkkeysyms.h>
28
29 // FIXME: is this right? somehow I don't think so (VZ)
30 #ifdef __WXGTK20__
31 #include <glib-object.h>
32
33 #define gtk_accel_group_attach(g, o) _gtk_accel_group_attach((g), (o))
34 #define gtk_accel_group_detach(g, o) _gtk_accel_group_detach((g), (o))
35 #define gtk_menu_ensure_uline_accel_group(m) gtk_menu_get_accel_group(m)
36
37 #define ACCEL_OBJECT GObject
38 #define ACCEL_OBJECTS(a) (a)->acceleratables
39 #define ACCEL_OBJ_CAST(obj) G_OBJECT(obj)
40 #else // GTK+ 1.x
41 #define ACCEL_OBJECT GtkObject
42 #define ACCEL_OBJECTS(a) (a)->attach_objects
43 #define ACCEL_OBJ_CAST(obj) GTK_OBJECT(obj)
44 #endif
45
46 //-----------------------------------------------------------------------------
47 // idle system
48 //-----------------------------------------------------------------------------
49
50 extern void wxapp_install_idle_handler();
51 extern bool g_isIdle;
52
53 #if GTK_CHECK_VERSION(1, 2, 0) && wxUSE_ACCEL
54 static wxString GetHotKey( const wxMenuItem& item );
55 #endif
56
57 //-----------------------------------------------------------------------------
58 // substitute for missing GtkPixmapMenuItem
59 //-----------------------------------------------------------------------------
60
61 // FIXME: I can't make this compile with GTK+ 2.0, disabling for now (VZ)
62 #ifndef __WXGTK20__
63 #define USE_MENU_BITMAPS
64 #endif
65
66 #ifdef USE_MENU_BITMAPS
67
68 #define GTK_TYPE_PIXMAP_MENU_ITEM (gtk_pixmap_menu_item_get_type ())
69 #define GTK_PIXMAP_MENU_ITEM(obj) (GTK_CHECK_CAST ((obj), GTK_TYPE_PIXMAP_MENU_ITEM, GtkPixmapMenuItem))
70 #define GTK_PIXMAP_MENU_ITEM_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_PIXMAP_MENU_ITEM, GtkPixmapMenuItemClass))
71 #define GTK_IS_PIXMAP_MENU_ITEM(obj) (GTK_CHECK_TYPE ((obj), GTK_TYPE_PIXMAP_MENU_ITEM))
72 #define GTK_IS_PIXMAP_MENU_ITEM_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_PIXMAP_MENU_ITEM))
73 //#define GTK_PIXMAP_MENU_ITEM_GET_CLASS(obj) (GTK_CHECK_GET_CLASS ((obj), GTK_TYPE_PIXMAP_MENU_ITEM))
74 #define GTK_PIXMAP_MENU_ITEM_GET_CLASS(obj) (GTK_PIXMAP_MENU_ITEM_CLASS( GTK_OBJECT_GET_CLASS(obj)))
75
76 #ifndef GTK_MENU_ITEM_GET_CLASS
77 #define GTK_MENU_ITEM_GET_CLASS(obj) (GTK_MENU_ITEM_CLASS( GTK_OBJECT_GET_CLASS(obj)))
78 #endif
79
80 typedef struct _GtkPixmapMenuItem GtkPixmapMenuItem;
81 typedef struct _GtkPixmapMenuItemClass GtkPixmapMenuItemClass;
82
83 struct _GtkPixmapMenuItem
84 {
85 GtkMenuItem menu_item;
86
87 GtkWidget *pixmap;
88 };
89
90 struct _GtkPixmapMenuItemClass
91 {
92 GtkMenuItemClass parent_class;
93
94 guint orig_toggle_size;
95 guint have_pixmap_count;
96 };
97
98
99 GtkType gtk_pixmap_menu_item_get_type (void);
100 GtkWidget* gtk_pixmap_menu_item_new (void);
101 void gtk_pixmap_menu_item_set_pixmap (GtkPixmapMenuItem *menu_item,
102 GtkWidget *pixmap);
103
104 #endif // USE_MENU_BITMAPS
105
106 //-----------------------------------------------------------------------------
107 // idle system
108 //-----------------------------------------------------------------------------
109
110 static wxString wxReplaceUnderscore( const wxString& title )
111 {
112 const wxChar *pc;
113
114 /* GTK 1.2 wants to have "_" instead of "&" for accelerators */
115 wxString str;
116 for ( pc = title; *pc != wxT('\0'); pc++ )
117 {
118 if (*pc == wxT('&'))
119 {
120 #if GTK_CHECK_VERSION(1, 2, 0)
121 str << wxT('_');
122 #endif
123 }
124 #if GTK_CHECK_VERSION(2, 0, 0)
125 else if (*pc == wxT('/'))
126 {
127 str << wxT("\\/");
128 }
129 else if (*pc == wxT('\\'))
130 {
131 str << wxT("\\\\");
132 }
133 #elif GTK_CHECK_VERSION(1, 2, 0)
134 else if (*pc == wxT('/'))
135 {
136 str << wxT('\\');
137 }
138 #endif
139 else
140 {
141 #if __WXGTK12__
142 if ( *pc == wxT('_') )
143 {
144 // underscores must be doubled to prevent them from being
145 // interpreted as accelerator character prefix by GTK
146 str << *pc;
147 }
148 #endif // GTK+ 1.2
149
150 str << *pc;
151 }
152 }
153 return str;
154 }
155
156 //-----------------------------------------------------------------------------
157 // wxMenuBar
158 //-----------------------------------------------------------------------------
159
160 IMPLEMENT_DYNAMIC_CLASS(wxMenuBar,wxWindow)
161
162 wxMenuBar::wxMenuBar( long style )
163 {
164 /* the parent window is known after wxFrame::SetMenu() */
165 m_needParent = FALSE;
166 m_style = style;
167 m_invokingWindow = (wxWindow*) NULL;
168
169 if (!PreCreation( (wxWindow*) NULL, wxDefaultPosition, wxDefaultSize ) ||
170 !CreateBase( (wxWindow*) NULL, -1, wxDefaultPosition, wxDefaultSize, style, wxDefaultValidator, wxT("menubar") ))
171 {
172 wxFAIL_MSG( wxT("wxMenuBar creation failed") );
173 return;
174 }
175
176 m_menus.DeleteContents( TRUE );
177
178 /* GTK 1.2.0 doesn't have gtk_item_factory_get_item(), but GTK 1.2.1 has. */
179 #if GTK_CHECK_VERSION(1, 2, 1)
180 m_accel = gtk_accel_group_new();
181 m_factory = gtk_item_factory_new( GTK_TYPE_MENU_BAR, "<main>", m_accel );
182 m_menubar = gtk_item_factory_get_widget( m_factory, "<main>" );
183 #else
184 m_menubar = gtk_menu_bar_new();
185 #endif
186
187 if (style & wxMB_DOCKABLE)
188 {
189 m_widget = gtk_handle_box_new();
190 gtk_container_add( GTK_CONTAINER(m_widget), GTK_WIDGET(m_menubar) );
191 gtk_widget_show( GTK_WIDGET(m_menubar) );
192 }
193 else
194 {
195 m_widget = GTK_WIDGET(m_menubar);
196 }
197
198 PostCreation();
199
200 ApplyWidgetStyle();
201 }
202
203 wxMenuBar::wxMenuBar()
204 {
205 /* the parent window is known after wxFrame::SetMenu() */
206 m_needParent = FALSE;
207 m_style = 0;
208 m_invokingWindow = (wxWindow*) NULL;
209
210 if (!PreCreation( (wxWindow*) NULL, wxDefaultPosition, wxDefaultSize ) ||
211 !CreateBase( (wxWindow*) NULL, -1, wxDefaultPosition, wxDefaultSize, 0, wxDefaultValidator, wxT("menubar") ))
212 {
213 wxFAIL_MSG( wxT("wxMenuBar creation failed") );
214 return;
215 }
216
217 m_menus.DeleteContents( TRUE );
218
219 /* GTK 1.2.0 doesn't have gtk_item_factory_get_item(), but GTK 1.2.1 has. */
220 #if GTK_CHECK_VERSION(1, 2, 1)
221 m_accel = gtk_accel_group_new();
222 m_factory = gtk_item_factory_new( GTK_TYPE_MENU_BAR, "<main>", m_accel );
223 m_menubar = gtk_item_factory_get_widget( m_factory, "<main>" );
224 #else
225 m_menubar = gtk_menu_bar_new();
226 #endif
227
228 m_widget = GTK_WIDGET(m_menubar);
229
230 PostCreation();
231
232 ApplyWidgetStyle();
233 }
234
235 wxMenuBar::~wxMenuBar()
236 {
237 // gtk_object_unref( GTK_OBJECT(m_factory) ); why not ?
238 }
239
240 static void wxMenubarUnsetInvokingWindow( wxMenu *menu, wxWindow *win )
241 {
242 menu->SetInvokingWindow( (wxWindow*) NULL );
243
244 wxWindow *top_frame = win;
245 while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
246 top_frame = top_frame->GetParent();
247
248 /* support for native hot keys */
249 gtk_accel_group_detach( menu->m_accel, ACCEL_OBJ_CAST(top_frame->m_widget) );
250
251 wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
252 while (node)
253 {
254 wxMenuItem *menuitem = node->GetData();
255 if (menuitem->IsSubMenu())
256 wxMenubarUnsetInvokingWindow( menuitem->GetSubMenu(), win );
257 node = node->GetNext();
258 }
259 }
260
261 static void wxMenubarSetInvokingWindow( wxMenu *menu, wxWindow *win )
262 {
263 menu->SetInvokingWindow( win );
264
265 #if GTK_CHECK_VERSION(1, 2, 1)
266 wxWindow *top_frame = win;
267 while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
268 top_frame = top_frame->GetParent();
269
270 /* support for native hot keys */
271 ACCEL_OBJECT *obj = ACCEL_OBJ_CAST(top_frame->m_widget);
272 if ( !g_slist_find( ACCEL_OBJECTS(menu->m_accel), obj ) )
273 gtk_accel_group_attach( menu->m_accel, obj );
274 #endif // GTK+ 1.2.1+
275
276 wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
277 while (node)
278 {
279 wxMenuItem *menuitem = node->GetData();
280 if (menuitem->IsSubMenu())
281 wxMenubarSetInvokingWindow( menuitem->GetSubMenu(), win );
282 node = node->GetNext();
283 }
284 }
285
286 void wxMenuBar::SetInvokingWindow( wxWindow *win )
287 {
288 m_invokingWindow = win;
289 #if GTK_CHECK_VERSION(1, 2, 1)
290 wxWindow *top_frame = win;
291 while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
292 top_frame = top_frame->GetParent();
293
294 /* support for native key accelerators indicated by underscroes */
295 ACCEL_OBJECT *obj = ACCEL_OBJ_CAST(top_frame->m_widget);
296 if ( !g_slist_find( ACCEL_OBJECTS(m_accel), obj ) )
297 gtk_accel_group_attach( m_accel, obj );
298 #endif // GTK+ 1.2.1+
299
300 wxMenuList::Node *node = m_menus.GetFirst();
301 while (node)
302 {
303 wxMenu *menu = node->GetData();
304 wxMenubarSetInvokingWindow( menu, win );
305 node = node->GetNext();
306 }
307 }
308
309 void wxMenuBar::UnsetInvokingWindow( wxWindow *win )
310 {
311 m_invokingWindow = (wxWindow*) NULL;
312 #if GTK_CHECK_VERSION(1, 2, 1)
313 wxWindow *top_frame = win;
314 while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
315 top_frame = top_frame->GetParent();
316
317 /* support for native key accelerators indicated by underscroes */
318 gtk_accel_group_detach( m_accel, ACCEL_OBJ_CAST(top_frame->m_widget) );
319 #endif // GTK+ 1.2.1+
320
321 wxMenuList::Node *node = m_menus.GetFirst();
322 while (node)
323 {
324 wxMenu *menu = node->GetData();
325 wxMenubarUnsetInvokingWindow( menu, win );
326 node = node->GetNext();
327 }
328 }
329
330 bool wxMenuBar::Append( wxMenu *menu, const wxString &title )
331 {
332 if ( !wxMenuBarBase::Append( menu, title ) )
333 return FALSE;
334
335 return GtkAppend(menu, title);
336 }
337
338 bool wxMenuBar::GtkAppend(wxMenu *menu, const wxString& title)
339 {
340 wxString str( wxReplaceUnderscore( title ) );
341
342 /* this doesn't have much effect right now */
343 menu->SetTitle( str );
344
345 /* GTK 1.2.0 doesn't have gtk_item_factory_get_item(), but GTK 1.2.1 has. */
346 #if GTK_CHECK_VERSION(1, 2, 1)
347
348 wxString buf;
349 buf << wxT('/') << str.c_str();
350
351 /* local buffer in multibyte form */
352 char cbuf[400];
353 strcpy(cbuf, wxGTK_CONV(buf) );
354
355 GtkItemFactoryEntry entry;
356 entry.path = (gchar *)cbuf; // const_cast
357 entry.accelerator = (gchar*) NULL;
358 entry.callback = (GtkItemFactoryCallback) NULL;
359 entry.callback_action = 0;
360 entry.item_type = (char *)"<Branch>";
361
362 gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 ); /* what is 2 ? */
363 /* in order to get the pointer to the item we need the item text _without_ underscores */
364 wxString tmp = wxT("<main>/");
365 const wxChar *pc;
366 for ( pc = str; *pc != wxT('\0'); pc++ )
367 {
368 // contrary to the common sense, we must throw out _all_ underscores,
369 // (i.e. "Hello__World" => "HelloWorld" and not "Hello_World" as we
370 // might naively think). IMHO it's a bug in GTK+ (VZ)
371 while (*pc == wxT('_'))
372 pc++;
373 tmp << *pc;
374 }
375 menu->m_owner = gtk_item_factory_get_item( m_factory, wxGTK_CONV( tmp ) );
376 gtk_menu_item_set_submenu( GTK_MENU_ITEM(menu->m_owner), menu->m_menu );
377 #else
378
379 menu->m_owner = gtk_menu_item_new_with_label( wxGTK_CONV( str ) );
380 gtk_widget_show( menu->m_owner );
381 gtk_menu_item_set_submenu( GTK_MENU_ITEM(menu->m_owner), menu->m_menu );
382
383 gtk_menu_bar_append( GTK_MENU_BAR(m_menubar), menu->m_owner );
384
385 #endif
386
387 // m_invokingWindow is set after wxFrame::SetMenuBar(). This call enables
388 // adding menu later on.
389 if (m_invokingWindow)
390 wxMenubarSetInvokingWindow( menu, m_invokingWindow );
391
392 return TRUE;
393 }
394
395 bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title)
396 {
397 if ( !wxMenuBarBase::Insert(pos, menu, title) )
398 return FALSE;
399
400 // GTK+ doesn't have a function to insert a menu using GtkItemFactory (as
401 // of version 1.2.6), so we first append the item and then change its
402 // index
403 if ( !GtkAppend(menu, title) )
404 return FALSE;
405
406 if (pos+1 >= m_menus.GetCount())
407 return TRUE;
408
409 GtkMenuShell *menu_shell = GTK_MENU_SHELL(m_factory->widget);
410 gpointer data = g_list_last(menu_shell->children)->data;
411 menu_shell->children = g_list_remove(menu_shell->children, data);
412 menu_shell->children = g_list_insert(menu_shell->children, data, pos);
413
414 return TRUE;
415 }
416
417 wxMenu *wxMenuBar::Replace(size_t pos, wxMenu *menu, const wxString& title)
418 {
419 // remove the old item and insert a new one
420 wxMenu *menuOld = Remove(pos);
421 if ( menuOld && !Insert(pos, menu, title) )
422 {
423 return (wxMenu*) NULL;
424 }
425
426 // either Insert() succeeded or Remove() failed and menuOld is NULL
427 return menuOld;
428 }
429
430 wxMenu *wxMenuBar::Remove(size_t pos)
431 {
432 wxMenu *menu = wxMenuBarBase::Remove(pos);
433 if ( !menu )
434 return (wxMenu*) NULL;
435
436 /*
437 GtkMenuShell *menu_shell = GTK_MENU_SHELL(m_factory->widget);
438
439 printf( "factory entries before %d\n", (int)g_slist_length(m_factory->items) );
440 printf( "menu shell entries before %d\n", (int)g_list_length( menu_shell->children ) );
441 */
442
443 // unparent calls unref() and that would delete the widget so we raise
444 // the ref count to 2 artificially before invoking unparent.
445 gtk_widget_ref( menu->m_menu );
446 gtk_widget_unparent( menu->m_menu );
447
448 gtk_widget_destroy( menu->m_owner );
449
450 /*
451 printf( "factory entries after %d\n", (int)g_slist_length(m_factory->items) );
452 printf( "menu shell entries after %d\n", (int)g_list_length( menu_shell->children ) );
453 */
454
455 return menu;
456 }
457
458 static int FindMenuItemRecursive( const wxMenu *menu, const wxString &menuString, const wxString &itemString )
459 {
460 if (wxMenuItem::GetLabelFromText(menu->GetTitle()) == wxMenuItem::GetLabelFromText(menuString))
461 {
462 int res = menu->FindItem( itemString );
463 if (res != wxNOT_FOUND)
464 return res;
465 }
466
467 wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
468 while (node)
469 {
470 wxMenuItem *item = node->GetData();
471 if (item->IsSubMenu())
472 return FindMenuItemRecursive(item->GetSubMenu(), menuString, itemString);
473
474 node = node->GetNext();
475 }
476
477 return wxNOT_FOUND;
478 }
479
480 int wxMenuBar::FindMenuItem( const wxString &menuString, const wxString &itemString ) const
481 {
482 wxMenuList::Node *node = m_menus.GetFirst();
483 while (node)
484 {
485 wxMenu *menu = node->GetData();
486 int res = FindMenuItemRecursive( menu, menuString, itemString);
487 if (res != -1)
488 return res;
489 node = node->GetNext();
490 }
491
492 return wxNOT_FOUND;
493 }
494
495 // Find a wxMenuItem using its id. Recurses down into sub-menus
496 static wxMenuItem* FindMenuItemByIdRecursive(const wxMenu* menu, int id)
497 {
498 wxMenuItem* result = menu->FindChildItem(id);
499
500 wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
501 while ( node && result == NULL )
502 {
503 wxMenuItem *item = node->GetData();
504 if (item->IsSubMenu())
505 {
506 result = FindMenuItemByIdRecursive( item->GetSubMenu(), id );
507 }
508 node = node->GetNext();
509 }
510
511 return result;
512 }
513
514 wxMenuItem* wxMenuBar::FindItem( int id, wxMenu **menuForItem ) const
515 {
516 wxMenuItem* result = 0;
517 wxMenuList::Node *node = m_menus.GetFirst();
518 while (node && result == 0)
519 {
520 wxMenu *menu = node->GetData();
521 result = FindMenuItemByIdRecursive( menu, id );
522 node = node->GetNext();
523 }
524
525 if ( menuForItem )
526 {
527 *menuForItem = result ? result->GetMenu() : (wxMenu *)NULL;
528 }
529
530 return result;
531 }
532
533 void wxMenuBar::EnableTop( size_t pos, bool flag )
534 {
535 wxMenuList::Node *node = m_menus.Item( pos );
536
537 wxCHECK_RET( node, wxT("menu not found") );
538
539 wxMenu* menu = node->GetData();
540
541 if (menu->m_owner)
542 gtk_widget_set_sensitive( menu->m_owner, flag );
543 }
544
545 wxString wxMenuBar::GetLabelTop( size_t pos ) const
546 {
547 wxMenuList::Node *node = m_menus.Item( pos );
548
549 wxCHECK_MSG( node, wxT("invalid"), wxT("menu not found") );
550
551 wxMenu* menu = node->GetData();
552
553 wxString label;
554 wxString text( menu->GetTitle() );
555 for ( const wxChar *pc = text.c_str(); *pc; pc++ )
556 {
557 if ( *pc == wxT('_') || *pc == wxT('&') )
558 {
559 // '_' is the escape character for GTK+ and '&' is the one for
560 // wxWindows - skip both of them
561 continue;
562 }
563
564 label += *pc;
565 }
566
567 return label;
568 }
569
570 void wxMenuBar::SetLabelTop( size_t pos, const wxString& label )
571 {
572 wxMenuList::Node *node = m_menus.Item( pos );
573
574 wxCHECK_RET( node, wxT("menu not found") );
575
576 wxMenu* menu = node->GetData();
577
578 wxString str( wxReplaceUnderscore( label ) );
579
580 menu->SetTitle( str );
581
582 if (menu->m_owner)
583 {
584 GtkLabel *label = GTK_LABEL( GTK_BIN(menu->m_owner)->child );
585
586 /* set new text */
587 gtk_label_set( label, wxGTK_CONV( str ) );
588
589 /* reparse key accel */
590 (void)gtk_label_parse_uline (GTK_LABEL(label), wxGTK_CONV( str ) );
591 gtk_accel_label_refetch( GTK_ACCEL_LABEL(label) );
592 }
593
594 }
595
596 //-----------------------------------------------------------------------------
597 // "activate"
598 //-----------------------------------------------------------------------------
599
600 static void gtk_menu_clicked_callback( GtkWidget *widget, wxMenu *menu )
601 {
602 if (g_isIdle)
603 wxapp_install_idle_handler();
604
605 int id = menu->FindMenuIdByMenuItem(widget);
606
607 /* should find it for normal (not popup) menu */
608 wxASSERT_MSG( (id != -1) || (menu->GetInvokingWindow() != NULL),
609 _T("menu item not found in gtk_menu_clicked_callback") );
610
611 if (!menu->IsEnabled(id))
612 return;
613
614 wxMenuItem* item = menu->FindChildItem( id );
615 wxCHECK_RET( item, wxT("error in menu item callback") );
616
617 if (item->IsCheckable())
618 {
619 bool isReallyChecked = item->IsChecked(),
620 isInternallyChecked = item->wxMenuItemBase::IsChecked();
621
622 // ensure that the internal state is always consistent with what is
623 // shown on the screen
624 item->wxMenuItemBase::Check(isReallyChecked);
625
626 // we must not report the events for the radio button going up nor the
627 // events resulting from the calls to wxMenuItem::Check()
628 if ( (item->GetKind() == wxITEM_RADIO && !isReallyChecked) ||
629 (isInternallyChecked == isReallyChecked) )
630 {
631 return;
632 }
633
634 // the user pressed on the menu item: report the event below
635 }
636
637 menu->SendEvent(id, item->IsCheckable() ? item->IsChecked() : -1);
638 }
639
640 //-----------------------------------------------------------------------------
641 // "select"
642 //-----------------------------------------------------------------------------
643
644 static void gtk_menu_hilight_callback( GtkWidget *widget, wxMenu *menu )
645 {
646 if (g_isIdle) wxapp_install_idle_handler();
647
648 int id = menu->FindMenuIdByMenuItem(widget);
649
650 wxASSERT( id != -1 ); // should find it!
651
652 if (!menu->IsEnabled(id))
653 return;
654
655 wxMenuEvent event( wxEVT_MENU_HIGHLIGHT, id );
656 event.SetEventObject( menu );
657
658 if (menu->GetEventHandler()->ProcessEvent(event))
659 return;
660
661 wxWindow *win = menu->GetInvokingWindow();
662 if (win) win->GetEventHandler()->ProcessEvent( event );
663 }
664
665 //-----------------------------------------------------------------------------
666 // "deselect"
667 //-----------------------------------------------------------------------------
668
669 static void gtk_menu_nolight_callback( GtkWidget *widget, wxMenu *menu )
670 {
671 if (g_isIdle) wxapp_install_idle_handler();
672
673 int id = menu->FindMenuIdByMenuItem(widget);
674
675 wxASSERT( id != -1 ); // should find it!
676
677 if (!menu->IsEnabled(id))
678 return;
679
680 wxMenuEvent event( wxEVT_MENU_HIGHLIGHT, -1 );
681 event.SetEventObject( menu );
682
683 if (menu->GetEventHandler()->ProcessEvent(event))
684 return;
685
686 wxWindow *win = menu->GetInvokingWindow();
687 if (win)
688 win->GetEventHandler()->ProcessEvent( event );
689 }
690
691 //-----------------------------------------------------------------------------
692 // wxMenuItem
693 //-----------------------------------------------------------------------------
694
695 IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject)
696
697 wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu,
698 int id,
699 const wxString& name,
700 const wxString& help,
701 wxItemKind kind,
702 wxMenu *subMenu)
703 {
704 return new wxMenuItem(parentMenu, id, name, help, kind, subMenu);
705 }
706
707 wxMenuItem::wxMenuItem(wxMenu *parentMenu,
708 int id,
709 const wxString& text,
710 const wxString& help,
711 wxItemKind kind,
712 wxMenu *subMenu)
713 : wxMenuItemBase(parentMenu, id, text, help, kind, subMenu)
714 {
715 Init(text);
716 }
717
718 wxMenuItem::wxMenuItem(wxMenu *parentMenu,
719 int id,
720 const wxString& text,
721 const wxString& help,
722 bool isCheckable,
723 wxMenu *subMenu)
724 : wxMenuItemBase(parentMenu, id, text, help,
725 isCheckable ? wxITEM_CHECK : wxITEM_NORMAL, subMenu)
726 {
727 Init(text);
728 }
729
730 void wxMenuItem::Init(const wxString& text)
731 {
732 m_labelWidget = (GtkWidget *) NULL;
733 m_menuItem = (GtkWidget *) NULL;
734
735 DoSetText(text);
736 }
737
738 wxMenuItem::~wxMenuItem()
739 {
740 // don't delete menu items, the menus take care of that
741 }
742
743 // return the menu item text without any menu accels
744 /* static */
745 wxString wxMenuItemBase::GetLabelFromText(const wxString& text)
746 {
747 wxString label;
748
749 for ( const wxChar *pc = text.c_str(); *pc; pc++ )
750 {
751 if ( *pc == wxT('_') )
752 {
753 // wxGTK escapes "xxx_xxx" to "xxx__xxx"
754 pc++;
755 label += *pc;
756 continue;
757 }
758
759 if ( *pc == wxT('&') )
760 {
761 // wxMSW escapes &
762 continue;
763 }
764
765 label += *pc;
766 }
767
768 return label;
769 }
770
771 void wxMenuItem::SetText( const wxString& str )
772 {
773 // Some optimization to avoid flicker
774 wxString oldLabel = m_text;
775 oldLabel = wxStripMenuCodes(oldLabel.BeforeFirst('\t'));
776 oldLabel.Replace(wxT("_"), wxT(""));
777 wxString label1 = wxStripMenuCodes(str.BeforeFirst('\t'));
778 if (oldLabel == label1)
779 return;
780
781 DoSetText(str);
782
783 if (m_menuItem)
784 {
785 GtkLabel *label;
786 if (m_labelWidget)
787 label = (GtkLabel*) m_labelWidget;
788 else
789 label = GTK_LABEL( GTK_BIN(m_menuItem)->child );
790
791 /* set new text */
792 gtk_label_set( label, wxGTK_CONV( m_text ) );
793
794 /* reparse key accel */
795 (void)gtk_label_parse_uline (GTK_LABEL(label), wxGTK_CONV( m_text ) );
796 gtk_accel_label_refetch( GTK_ACCEL_LABEL(label) );
797 }
798 }
799
800 // it's valid for this function to be called even if m_menuItem == NULL
801 void wxMenuItem::DoSetText( const wxString& str )
802 {
803 /* '\t' is the deliminator indicating a hot key */
804 m_text.Empty();
805 const wxChar *pc = str;
806 for (; (*pc != wxT('\0')) && (*pc != wxT('\t')); pc++ )
807 {
808 #if GTK_CHECK_VERSION(1, 2, 0)
809 if (*pc == wxT('&'))
810 {
811 m_text << wxT('_');
812 }
813 else if ( *pc == wxT('_') ) // escape underscores
814 {
815 m_text << wxT("__");
816 }
817 #else // GTK+ < 1.2.0
818 if (*pc == wxT('&'))
819 {
820 }
821 #endif
822 #if GTK_CHECK_VERSION(2, 0, 0)
823 else if (*pc == wxT('/')) // we have to escape slashes
824 {
825 m_text << wxT("\\/");
826 }
827 else if (*pc == wxT('\\')) // we have to double backslashes
828 {
829 m_text << wxT("\\\\");
830 }
831 #elif GTK_CHECK_VERSION(1, 2, 0)
832 else if (*pc == wxT('/')) /* we have to filter out slashes ... */
833 {
834 m_text << wxT('\\'); /* ... and replace them with back slashes */
835 }
836 #endif
837 else
838 m_text << *pc;
839 }
840
841 m_hotKey = wxT("");
842
843 if(*pc == wxT('\t'))
844 {
845 pc++;
846 m_hotKey = pc;
847 }
848 }
849
850 #if wxUSE_ACCEL
851
852 wxAcceleratorEntry *wxMenuItem::GetAccel() const
853 {
854 if ( !GetHotKey() )
855 {
856 // nothing
857 return (wxAcceleratorEntry *)NULL;
858 }
859
860 // as wxGetAccelFromString() looks for TAB, insert a dummy one here
861 wxString label;
862 label << wxT('\t') << GetHotKey();
863
864 return wxGetAccelFromString(label);
865 }
866
867 #endif // wxUSE_ACCEL
868
869 void wxMenuItem::Check( bool check )
870 {
871 wxCHECK_RET( m_menuItem, wxT("invalid menu item") );
872
873 if (check == m_isChecked)
874 return;
875
876 wxMenuItemBase::Check( check );
877
878 switch ( GetKind() )
879 {
880 case wxITEM_CHECK:
881 case wxITEM_RADIO:
882 gtk_check_menu_item_set_state( (GtkCheckMenuItem*)m_menuItem, (gint)check );
883 break;
884
885 default:
886 wxFAIL_MSG( _T("can't check this item") );
887 }
888 }
889
890 void wxMenuItem::Enable( bool enable )
891 {
892 wxCHECK_RET( m_menuItem, wxT("invalid menu item") );
893
894 gtk_widget_set_sensitive( m_menuItem, enable );
895 wxMenuItemBase::Enable( enable );
896 }
897
898 bool wxMenuItem::IsChecked() const
899 {
900 wxCHECK_MSG( m_menuItem, FALSE, wxT("invalid menu item") );
901
902 wxCHECK_MSG( IsCheckable(), FALSE,
903 wxT("can't get state of uncheckable item!") );
904
905 return ((GtkCheckMenuItem*)m_menuItem)->active != 0;
906 }
907
908 wxString wxMenuItem::GetFactoryPath() const
909 {
910 /* in order to get the pointer to the item we need the item text
911 _without_ underscores */
912 wxString path( wxT("<main>/") );
913
914 for ( const wxChar *pc = m_text.c_str(); *pc; pc++ )
915 {
916 if ( *pc == wxT('_') || *pc == wxT('&') )
917 {
918 // remove '_' and '&' unconditionally
919 continue;
920 }
921
922 path += *pc;
923 }
924
925 return path;
926 }
927
928 //-----------------------------------------------------------------------------
929 // wxMenu
930 //-----------------------------------------------------------------------------
931
932 IMPLEMENT_DYNAMIC_CLASS(wxMenu,wxEvtHandler)
933
934 void wxMenu::Init()
935 {
936 m_accel = gtk_accel_group_new();
937 m_factory = gtk_item_factory_new( GTK_TYPE_MENU, "<main>", m_accel );
938 m_menu = gtk_item_factory_get_widget( m_factory, "<main>" );
939
940 m_owner = (GtkWidget*) NULL;
941
942 /* Tearoffs are entries, just like separators. So if we want this
943 menu to be a tear-off one, we just append a tearoff entry
944 immediately. */
945 if(m_style & wxMENU_TEAROFF)
946 {
947 GtkItemFactoryEntry entry;
948 entry.path = (char *)"/tearoff";
949 entry.callback = (GtkItemFactoryCallback) NULL;
950 entry.callback_action = 0;
951 entry.item_type = (char *)"<Tearoff>";
952 entry.accelerator = (gchar*) NULL;
953 gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 ); /* what is 2 ? */
954 //GtkWidget *menuItem = gtk_item_factory_get_widget( m_factory, "<main>/tearoff" );
955 }
956
957 // append the title as the very first entry if we have it
958 if ( !!m_title )
959 {
960 Append(-2, m_title);
961 AppendSeparator();
962 }
963 }
964
965 wxMenu::~wxMenu()
966 {
967 m_items.Clear();
968
969 gtk_widget_destroy( m_menu );
970
971 gtk_object_unref( GTK_OBJECT(m_factory) );
972 }
973
974 bool wxMenu::GtkAppend(wxMenuItem *mitem)
975 {
976 GtkWidget *menuItem;
977
978 #if defined(USE_MENU_BITMAPS) || !GTK_CHECK_VERSION(1, 2, 0)
979 bool appended = FALSE;
980 #endif
981
982 // does this item terminate the current radio group?
983 bool endOfRadioGroup = TRUE;
984
985 if ( mitem->IsSeparator() )
986 {
987 GtkItemFactoryEntry entry;
988 entry.path = (char *)"/sep";
989 entry.callback = (GtkItemFactoryCallback) NULL;
990 entry.callback_action = 0;
991 entry.item_type = (char *)"<Separator>";
992 entry.accelerator = (gchar*) NULL;
993
994 gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 ); /* what is 2 ? */
995
996 /* this will be wrong for more than one separator. do we care? */
997 menuItem = gtk_item_factory_get_widget( m_factory, "<main>/sep" );
998
999 // we might have a separator inside a radio group
1000 endOfRadioGroup = FALSE;
1001 }
1002 else if ( mitem->IsSubMenu() )
1003 {
1004 /* text has "_" instead of "&" after mitem->SetText() */
1005 wxString text( mitem->GetText() );
1006
1007 /* local buffer in multibyte form */
1008 char buf[200];
1009 strcpy( buf, "/" );
1010 strcat( buf, wxGTK_CONV( text ) );
1011
1012 GtkItemFactoryEntry entry;
1013 entry.path = buf;
1014 entry.callback = (GtkItemFactoryCallback) 0;
1015 entry.callback_action = 0;
1016 entry.item_type = (char *)"<Branch>";
1017 entry.accelerator = (gchar*) NULL;
1018
1019 gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 ); /* what is 2 ? */
1020
1021 wxString path( mitem->GetFactoryPath() );
1022 menuItem = gtk_item_factory_get_item( m_factory, wxGTK_CONV( path ) );
1023
1024 gtk_menu_item_set_submenu( GTK_MENU_ITEM(menuItem), mitem->GetSubMenu()->m_menu );
1025
1026 // if adding a submenu to a menu already existing in the menu bar, we
1027 // must set invoking window to allow processing events from this
1028 // submenu
1029 if ( m_invokingWindow )
1030 wxMenubarSetInvokingWindow(mitem->GetSubMenu(), m_invokingWindow);
1031 }
1032 #ifdef USE_MENU_BITMAPS
1033 else if (mitem->GetBitmap().Ok()) // An item with bitmap
1034 {
1035 wxString text( mitem->GetText() );
1036 const wxBitmap *bitmap = &mitem->GetBitmap();
1037
1038 menuItem = gtk_pixmap_menu_item_new ();
1039 GtkWidget *label = gtk_accel_label_new ( wxGTK_CONV( text ) );
1040 gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
1041 gtk_container_add (GTK_CONTAINER (menuItem), label);
1042 guint accel_key = gtk_label_parse_uline (GTK_LABEL(label), wxGTK_CONV( text ) );
1043 gtk_accel_label_set_accel_widget (GTK_ACCEL_LABEL (label), menuItem);
1044 if (accel_key != GDK_VoidSymbol)
1045 {
1046 gtk_widget_add_accelerator (menuItem,
1047 "activate_item",
1048 gtk_menu_ensure_uline_accel_group (GTK_MENU (m_menu)),
1049 accel_key, 0,
1050 GTK_ACCEL_LOCKED);
1051 }
1052 gtk_widget_show (label);
1053
1054 mitem->SetLabelWidget(label);
1055
1056 GtkWidget* pixmap = gtk_pixmap_new( bitmap->GetPixmap(), bitmap->GetMask() ? bitmap->GetMask()->GetBitmap() : (GdkBitmap* )NULL);
1057 gtk_widget_show(pixmap);
1058 gtk_pixmap_menu_item_set_pixmap(GTK_PIXMAP_MENU_ITEM( menuItem ), pixmap);
1059
1060 gtk_signal_connect( GTK_OBJECT(menuItem), "activate",
1061 GTK_SIGNAL_FUNC(gtk_menu_clicked_callback),
1062 (gpointer)this );
1063 gtk_menu_append( GTK_MENU(m_menu), menuItem );
1064 gtk_widget_show( menuItem );
1065
1066 appended = TRUE; // We've done this, don't do it again
1067 }
1068 #endif // USE_MENU_BITMAPS
1069 else // a normal item
1070 {
1071 // text has "_" instead of "&" after mitem->SetText() so don't use it
1072 wxString text( mitem->GetText() );
1073
1074 // buffers containing the menu item path and type in multibyte form
1075 char bufPath[256],
1076 bufType[256];
1077
1078 strcpy( bufPath, "/" );
1079 strncat( bufPath, wxGTK_CONV(text), WXSIZEOF(bufPath) - 2 );
1080 bufPath[WXSIZEOF(bufPath) - 1] = '\0';
1081
1082 GtkItemFactoryEntry entry;
1083 entry.path = bufPath;
1084 entry.callback = (GtkItemFactoryCallback) gtk_menu_clicked_callback;
1085 entry.callback_action = 0;
1086
1087 wxString pathRadio;
1088 const char *item_type;
1089 switch ( mitem->GetKind() )
1090 {
1091 case wxITEM_CHECK:
1092 item_type = "<CheckItem>";
1093 break;
1094
1095 case wxITEM_RADIO:
1096 if ( m_pathLastRadio.empty() )
1097 {
1098 // start of a new radio group
1099 item_type = "<RadioItem>";
1100 m_pathLastRadio = bufPath + 1;
1101 }
1102 else // continue the radio group
1103 {
1104 pathRadio = m_pathLastRadio;
1105 pathRadio.Replace(wxT("_"), wxT(""));
1106 pathRadio.Prepend(wxT("<main>/"));
1107
1108 strncpy(bufType, wxGTK_CONV(pathRadio), WXSIZEOF(bufType));
1109 bufType[WXSIZEOF(bufType) - 1] = '\0';
1110 item_type = bufType;
1111 }
1112
1113 // continue the existing radio group, if any
1114 endOfRadioGroup = FALSE;
1115 break;
1116
1117 default:
1118 wxFAIL_MSG( _T("unexpected menu item kind") );
1119 // fall through
1120
1121 case wxITEM_NORMAL:
1122 item_type = "<Item>";
1123 break;
1124 }
1125
1126 entry.item_type = (char *)item_type; // cast needed for GTK+
1127 entry.accelerator = (gchar*) NULL;
1128
1129 #if wxUSE_ACCEL
1130 // due to an apparent bug in GTK+, we have to use a static buffer here -
1131 // otherwise GTK+ 1.2.2 manages to override the memory we pass to it
1132 // somehow! (VZ)
1133 char s_accel[50]; // should be big enough, we check for overruns
1134 wxString tmp( GetHotKey(*mitem) );
1135 strncpy(s_accel, wxGTK_CONV( tmp ), WXSIZEOF(s_accel));
1136 s_accel[WXSIZEOF(s_accel) - 1] = '\0';
1137 entry.accelerator = s_accel;
1138 #else // !wxUSE_ACCEL
1139 entry.accelerator = (char*) NULL;
1140 #endif // wxUSE_ACCEL/!wxUSE_ACCEL
1141
1142 gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 ); /* what is 2 ? */
1143
1144 wxString path( mitem->GetFactoryPath() );
1145 menuItem = gtk_item_factory_get_widget( m_factory, wxGTK_CONV( path ) );
1146 }
1147
1148 if ( !mitem->IsSeparator() )
1149 {
1150 gtk_signal_connect( GTK_OBJECT(menuItem), "select",
1151 GTK_SIGNAL_FUNC(gtk_menu_hilight_callback),
1152 (gpointer)this );
1153
1154 gtk_signal_connect( GTK_OBJECT(menuItem), "deselect",
1155 GTK_SIGNAL_FUNC(gtk_menu_nolight_callback),
1156 (gpointer)this );
1157 }
1158
1159 mitem->SetMenuItem(menuItem);
1160
1161 if ( endOfRadioGroup )
1162 {
1163 m_pathLastRadio.clear();
1164 }
1165
1166 return TRUE;
1167 }
1168
1169 bool wxMenu::DoAppend(wxMenuItem *mitem)
1170 {
1171 return GtkAppend(mitem) && wxMenuBase::DoAppend(mitem);
1172 }
1173
1174 bool wxMenu::DoInsert(size_t pos, wxMenuItem *item)
1175 {
1176 if ( !wxMenuBase::DoInsert(pos, item) )
1177 return FALSE;
1178
1179 #ifdef __WXGTK12__
1180 // GTK+ doesn't have a function to insert a menu using GtkItemFactory (as
1181 // of version 1.2.6), so we first append the item and then change its
1182 // index
1183 if ( !GtkAppend(item) )
1184 return FALSE;
1185
1186 if ( m_style & wxMENU_TEAROFF )
1187 {
1188 // change the position as the first item is the tear-off marker
1189 pos++;
1190 }
1191
1192 GtkMenuShell *menu_shell = GTK_MENU_SHELL(m_factory->widget);
1193 gpointer data = g_list_last(menu_shell->children)->data;
1194 menu_shell->children = g_list_remove(menu_shell->children, data);
1195 menu_shell->children = g_list_insert(menu_shell->children, data, pos);
1196
1197 return TRUE;
1198 #else // GTK < 1.2
1199 // this should be easy to do...
1200 wxFAIL_MSG( wxT("not implemented") );
1201
1202 return FALSE;
1203 #endif // GTK 1.2/1.0
1204 }
1205
1206 wxMenuItem *wxMenu::DoRemove(wxMenuItem *item)
1207 {
1208 if ( !wxMenuBase::DoRemove(item) )
1209 return (wxMenuItem *)NULL;
1210
1211 // TODO: this code doesn't delete the item factory item and this seems
1212 // impossible as of GTK 1.2.6.
1213 gtk_widget_destroy( item->GetMenuItem() );
1214
1215 return item;
1216 }
1217
1218 int wxMenu::FindMenuIdByMenuItem( GtkWidget *menuItem ) const
1219 {
1220 wxNode *node = m_items.First();
1221 while (node)
1222 {
1223 wxMenuItem *item = (wxMenuItem*)node->Data();
1224 if (item->GetMenuItem() == menuItem)
1225 return item->GetId();
1226 node = node->Next();
1227 }
1228
1229 return wxNOT_FOUND;
1230 }
1231
1232 // ----------------------------------------------------------------------------
1233 // helpers
1234 // ----------------------------------------------------------------------------
1235
1236 #if GTK_CHECK_VERSION(1, 2, 0) && wxUSE_ACCEL
1237
1238 static wxString GetHotKey( const wxMenuItem& item )
1239 {
1240 wxString hotkey;
1241
1242 wxAcceleratorEntry *accel = item.GetAccel();
1243 if ( accel )
1244 {
1245 int flags = accel->GetFlags();
1246 if ( flags & wxACCEL_ALT )
1247 hotkey += wxT("<alt>");
1248 if ( flags & wxACCEL_CTRL )
1249 hotkey += wxT("<control>");
1250 if ( flags & wxACCEL_SHIFT )
1251 hotkey += wxT("<shift>");
1252
1253 int code = accel->GetKeyCode();
1254 switch ( code )
1255 {
1256 case WXK_F1:
1257 case WXK_F2:
1258 case WXK_F3:
1259 case WXK_F4:
1260 case WXK_F5:
1261 case WXK_F6:
1262 case WXK_F7:
1263 case WXK_F8:
1264 case WXK_F9:
1265 case WXK_F10:
1266 case WXK_F11:
1267 case WXK_F12:
1268 hotkey << wxT('F') << code - WXK_F1 + 1;
1269 break;
1270
1271 // TODO: we should use gdk_keyval_name() (a.k.a.
1272 // XKeysymToString) here as well as hardcoding the keysym
1273 // names this might be not portable
1274 case WXK_NUMPAD_INSERT:
1275 hotkey << wxT("KP_Insert" );
1276 break;
1277 case WXK_NUMPAD_DELETE:
1278 hotkey << wxT("KP_Delete" );
1279 break;
1280 case WXK_INSERT:
1281 hotkey << wxT("Insert" );
1282 break;
1283 case WXK_DELETE:
1284 hotkey << wxT("Delete" );
1285 break;
1286
1287 // if there are any other keys wxGetAccelFromString() may
1288 // return, we should process them here
1289
1290 default:
1291 if ( code < 127 )
1292 {
1293 gchar *name = gdk_keyval_name((guint)code);
1294 if ( name )
1295 {
1296 hotkey << name;
1297 break;
1298 }
1299 }
1300
1301 wxFAIL_MSG( wxT("unknown keyboard accel") );
1302 }
1303
1304 delete accel;
1305 }
1306
1307 return hotkey;
1308 }
1309
1310 #endif // wxUSE_ACCEL
1311
1312
1313 //-----------------------------------------------------------------------------
1314 // substitute for missing GtkPixmapMenuItem
1315 //-----------------------------------------------------------------------------
1316
1317 #ifdef USE_MENU_BITMAPS
1318
1319 /*
1320 * Copyright (C) 1998, 1999, 2000 Free Software Foundation
1321 * All rights reserved.
1322 *
1323 * This file is part of the Gnome Library.
1324 *
1325 * The Gnome Library is free software; you can redistribute it and/or
1326 * modify it under the terms of the GNU Library General Public License as
1327 * published by the Free Software Foundation; either version 2 of the
1328 * License, or (at your option) any later version.
1329 *
1330 * The Gnome Library is distributed in the hope that it will be useful,
1331 * but WITHOUT ANY WARRANTY; without even the implied warranty of
1332 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
1333 * Library General Public License for more details.
1334 *
1335 * You should have received a copy of the GNU Library General Public
1336 * License along with the Gnome Library; see the file COPYING.LIB. If not,
1337 * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
1338 * Boston, MA 02111-1307, USA.
1339 */
1340 /*
1341 @NOTATION@
1342 */
1343
1344 /* Author: Dietmar Maurer <dm@vlsivie.tuwien.ac.at> */
1345
1346 #include <gtk/gtkaccellabel.h>
1347 #include <gtk/gtksignal.h>
1348 #include <gtk/gtkmenuitem.h>
1349 #include <gtk/gtkmenu.h>
1350 #include <gtk/gtkcontainer.h>
1351
1352 extern "C"
1353 {
1354
1355 static void gtk_pixmap_menu_item_class_init (GtkPixmapMenuItemClass *klass);
1356 static void gtk_pixmap_menu_item_init (GtkPixmapMenuItem *menu_item);
1357 static void gtk_pixmap_menu_item_draw (GtkWidget *widget,
1358 GdkRectangle *area);
1359 static gint gtk_pixmap_menu_item_expose (GtkWidget *widget,
1360 GdkEventExpose *event);
1361
1362 /* we must override the following functions */
1363
1364 static void gtk_pixmap_menu_item_map (GtkWidget *widget);
1365 static void gtk_pixmap_menu_item_size_allocate (GtkWidget *widget,
1366 GtkAllocation *allocation);
1367 static void gtk_pixmap_menu_item_forall (GtkContainer *container,
1368 gboolean include_internals,
1369 GtkCallback callback,
1370 gpointer callback_data);
1371 static void gtk_pixmap_menu_item_size_request (GtkWidget *widget,
1372 GtkRequisition *requisition);
1373 static void gtk_pixmap_menu_item_remove (GtkContainer *container,
1374 GtkWidget *child);
1375
1376 static void changed_have_pixmap_status (GtkPixmapMenuItem *menu_item);
1377
1378 static GtkMenuItemClass *parent_class = NULL;
1379
1380 }
1381
1382 #define BORDER_SPACING 3
1383 #define PMAP_WIDTH 20
1384
1385 GtkType
1386 gtk_pixmap_menu_item_get_type (void)
1387 {
1388 static GtkType pixmap_menu_item_type = 0;
1389
1390 if (!pixmap_menu_item_type)
1391 {
1392 GtkTypeInfo pixmap_menu_item_info =
1393 {
1394 (char *)"GtkPixmapMenuItem",
1395 sizeof (GtkPixmapMenuItem),
1396 sizeof (GtkPixmapMenuItemClass),
1397 (GtkClassInitFunc) gtk_pixmap_menu_item_class_init,
1398 (GtkObjectInitFunc) gtk_pixmap_menu_item_init,
1399 /* reserved_1 */ NULL,
1400 /* reserved_2 */ NULL,
1401 (GtkClassInitFunc) NULL,
1402 };
1403
1404 pixmap_menu_item_type = gtk_type_unique (gtk_menu_item_get_type (),
1405 &pixmap_menu_item_info);
1406 }
1407
1408 return pixmap_menu_item_type;
1409 }
1410
1411 /**
1412 * gtk_pixmap_menu_item_new
1413 *
1414 * Creates a new pixmap menu item. Use gtk_pixmap_menu_item_set_pixmap()
1415 * to set the pixmap wich is displayed at the left side.
1416 *
1417 * Returns:
1418 * &GtkWidget pointer to new menu item
1419 **/
1420
1421 GtkWidget*
1422 gtk_pixmap_menu_item_new (void)
1423 {
1424 return GTK_WIDGET (gtk_type_new (gtk_pixmap_menu_item_get_type ()));
1425 }
1426
1427 static void
1428 gtk_pixmap_menu_item_class_init (GtkPixmapMenuItemClass *klass)
1429 {
1430 GtkObjectClass *object_class;
1431 GtkWidgetClass *widget_class;
1432 GtkMenuItemClass *menu_item_class;
1433 GtkContainerClass *container_class;
1434
1435 object_class = (GtkObjectClass*) klass;
1436 widget_class = (GtkWidgetClass*) klass;
1437 menu_item_class = (GtkMenuItemClass*) klass;
1438 container_class = (GtkContainerClass*) klass;
1439
1440 parent_class = (GtkMenuItemClass*) gtk_type_class (gtk_menu_item_get_type ());
1441
1442 widget_class->draw = gtk_pixmap_menu_item_draw;
1443 widget_class->expose_event = gtk_pixmap_menu_item_expose;
1444 widget_class->map = gtk_pixmap_menu_item_map;
1445 widget_class->size_allocate = gtk_pixmap_menu_item_size_allocate;
1446 widget_class->size_request = gtk_pixmap_menu_item_size_request;
1447
1448 container_class->forall = gtk_pixmap_menu_item_forall;
1449 container_class->remove = gtk_pixmap_menu_item_remove;
1450
1451 klass->orig_toggle_size = menu_item_class->toggle_size;
1452 klass->have_pixmap_count = 0;
1453 }
1454
1455 static void
1456 gtk_pixmap_menu_item_init (GtkPixmapMenuItem *menu_item)
1457 {
1458 GtkMenuItem *mi;
1459
1460 mi = GTK_MENU_ITEM (menu_item);
1461
1462 menu_item->pixmap = NULL;
1463 }
1464
1465 static void
1466 gtk_pixmap_menu_item_draw (GtkWidget *widget,
1467 GdkRectangle *area)
1468 {
1469 g_return_if_fail (widget != NULL);
1470 g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (widget));
1471 g_return_if_fail (area != NULL);
1472
1473 if (GTK_WIDGET_CLASS (parent_class)->draw)
1474 (* GTK_WIDGET_CLASS (parent_class)->draw) (widget, area);
1475
1476 if (GTK_WIDGET_DRAWABLE (widget) &&
1477 GTK_PIXMAP_MENU_ITEM(widget)->pixmap) {
1478 gtk_widget_draw(GTK_WIDGET(GTK_PIXMAP_MENU_ITEM(widget)->pixmap),NULL);
1479 }
1480 }
1481
1482 static gint
1483 gtk_pixmap_menu_item_expose (GtkWidget *widget,
1484 GdkEventExpose *event)
1485 {
1486 g_return_val_if_fail (widget != NULL, FALSE);
1487 g_return_val_if_fail (GTK_IS_PIXMAP_MENU_ITEM (widget), FALSE);
1488 g_return_val_if_fail (event != NULL, FALSE);
1489
1490 if (GTK_WIDGET_CLASS (parent_class)->expose_event)
1491 (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
1492
1493 if (GTK_WIDGET_DRAWABLE (widget) &&
1494 GTK_PIXMAP_MENU_ITEM(widget)->pixmap) {
1495 gtk_widget_draw(GTK_WIDGET(GTK_PIXMAP_MENU_ITEM(widget)->pixmap),NULL);
1496 }
1497
1498 return FALSE;
1499 }
1500
1501 /**
1502 * gtk_pixmap_menu_item_set_pixmap
1503 * @menu_item: Pointer to the pixmap menu item
1504 * @pixmap: Pointer to a pixmap widget
1505 *
1506 * Set the pixmap of the menu item.
1507 *
1508 **/
1509
1510 void
1511 gtk_pixmap_menu_item_set_pixmap (GtkPixmapMenuItem *menu_item,
1512 GtkWidget *pixmap)
1513 {
1514 g_return_if_fail (menu_item != NULL);
1515 g_return_if_fail (pixmap != NULL);
1516 g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (menu_item));
1517 g_return_if_fail (GTK_IS_WIDGET (pixmap));
1518 g_return_if_fail (menu_item->pixmap == NULL);
1519
1520 gtk_widget_set_parent (pixmap, GTK_WIDGET (menu_item));
1521 menu_item->pixmap = pixmap;
1522
1523 if (GTK_WIDGET_REALIZED (pixmap->parent) &&
1524 !GTK_WIDGET_REALIZED (pixmap))
1525 gtk_widget_realize (pixmap);
1526
1527 if (GTK_WIDGET_VISIBLE (pixmap->parent)) {
1528 if (GTK_WIDGET_MAPPED (pixmap->parent) &&
1529 GTK_WIDGET_VISIBLE(pixmap) &&
1530 !GTK_WIDGET_MAPPED (pixmap))
1531 gtk_widget_map (pixmap);
1532 }
1533
1534 changed_have_pixmap_status(menu_item);
1535
1536 if (GTK_WIDGET_VISIBLE (pixmap) && GTK_WIDGET_VISIBLE (menu_item))
1537 gtk_widget_queue_resize (pixmap);
1538 }
1539
1540 static void
1541 gtk_pixmap_menu_item_map (GtkWidget *widget)
1542 {
1543 GtkPixmapMenuItem *menu_item;
1544
1545 g_return_if_fail (widget != NULL);
1546 g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (widget));
1547
1548 menu_item = GTK_PIXMAP_MENU_ITEM(widget);
1549
1550 GTK_WIDGET_CLASS(parent_class)->map(widget);
1551
1552 if (menu_item->pixmap &&
1553 GTK_WIDGET_VISIBLE (menu_item->pixmap) &&
1554 !GTK_WIDGET_MAPPED (menu_item->pixmap))
1555 gtk_widget_map (menu_item->pixmap);
1556 }
1557
1558 static void
1559 gtk_pixmap_menu_item_size_allocate (GtkWidget *widget,
1560 GtkAllocation *allocation)
1561 {
1562 GtkPixmapMenuItem *pmenu_item;
1563
1564 pmenu_item = GTK_PIXMAP_MENU_ITEM(widget);
1565
1566 if (pmenu_item->pixmap && GTK_WIDGET_VISIBLE(pmenu_item))
1567 {
1568 GtkAllocation child_allocation;
1569 int border_width;
1570
1571 border_width = GTK_CONTAINER (widget)->border_width;
1572
1573 child_allocation.width = pmenu_item->pixmap->requisition.width;
1574 child_allocation.height = pmenu_item->pixmap->requisition.height;
1575 child_allocation.x = border_width + BORDER_SPACING;
1576 child_allocation.y = (border_width + BORDER_SPACING
1577 + (((allocation->height - child_allocation.height) - child_allocation.x)
1578 / 2)); /* center pixmaps vertically */
1579 gtk_widget_size_allocate (pmenu_item->pixmap, &child_allocation);
1580 }
1581
1582 if (GTK_WIDGET_CLASS (parent_class)->size_allocate)
1583 GTK_WIDGET_CLASS(parent_class)->size_allocate (widget, allocation);
1584 }
1585
1586 static void
1587 gtk_pixmap_menu_item_forall (GtkContainer *container,
1588 gboolean include_internals,
1589 GtkCallback callback,
1590 gpointer callback_data)
1591 {
1592 GtkPixmapMenuItem *menu_item;
1593
1594 g_return_if_fail (container != NULL);
1595 g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (container));
1596 g_return_if_fail (callback != NULL);
1597
1598 menu_item = GTK_PIXMAP_MENU_ITEM (container);
1599
1600 if (menu_item->pixmap)
1601 (* callback) (menu_item->pixmap, callback_data);
1602
1603 GTK_CONTAINER_CLASS(parent_class)->forall(container,include_internals,
1604 callback,callback_data);
1605 }
1606
1607 static void
1608 gtk_pixmap_menu_item_size_request (GtkWidget *widget,
1609 GtkRequisition *requisition)
1610 {
1611 GtkPixmapMenuItem *menu_item;
1612 GtkRequisition req = {0, 0};
1613
1614 g_return_if_fail (widget != NULL);
1615 g_return_if_fail (GTK_IS_MENU_ITEM (widget));
1616 g_return_if_fail (requisition != NULL);
1617
1618 GTK_WIDGET_CLASS(parent_class)->size_request(widget,requisition);
1619
1620 menu_item = GTK_PIXMAP_MENU_ITEM (widget);
1621
1622 if (menu_item->pixmap)
1623 gtk_widget_size_request(menu_item->pixmap, &req);
1624
1625 requisition->height = MAX(req.height + GTK_CONTAINER(widget)->border_width + BORDER_SPACING, (unsigned int) requisition->height);
1626 requisition->width += (req.width + GTK_CONTAINER(widget)->border_width + BORDER_SPACING);
1627 }
1628
1629 static void
1630 gtk_pixmap_menu_item_remove (GtkContainer *container,
1631 GtkWidget *child)
1632 {
1633 GtkBin *bin;
1634 gboolean widget_was_visible;
1635
1636 g_return_if_fail (container != NULL);
1637 g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (container));
1638 g_return_if_fail (child != NULL);
1639 g_return_if_fail (GTK_IS_WIDGET (child));
1640
1641 bin = GTK_BIN (container);
1642 g_return_if_fail ((bin->child == child ||
1643 (GTK_PIXMAP_MENU_ITEM(container)->pixmap == child)));
1644
1645 widget_was_visible = GTK_WIDGET_VISIBLE (child);
1646
1647 gtk_widget_unparent (child);
1648 if (bin->child == child)
1649 bin->child = NULL;
1650 else {
1651 GTK_PIXMAP_MENU_ITEM(container)->pixmap = NULL;
1652 changed_have_pixmap_status(GTK_PIXMAP_MENU_ITEM(container));
1653 }
1654
1655 if (widget_was_visible)
1656 gtk_widget_queue_resize (GTK_WIDGET (container));
1657 }
1658
1659
1660 /* important to only call this if there was actually a _change_ in pixmap == NULL */
1661 static void
1662 changed_have_pixmap_status (GtkPixmapMenuItem *menu_item)
1663 {
1664 if (menu_item->pixmap != NULL) {
1665 GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count += 1;
1666
1667 if (GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count == 1) {
1668 /* Install pixmap toggle size */
1669 GTK_MENU_ITEM_GET_CLASS(menu_item)->toggle_size = MAX(GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->orig_toggle_size, PMAP_WIDTH);
1670 }
1671 } else {
1672 GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count -= 1;
1673
1674 if (GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count == 0) {
1675 /* Install normal toggle size */
1676 GTK_MENU_ITEM_GET_CLASS(menu_item)->toggle_size = GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->orig_toggle_size;
1677 }
1678 }
1679
1680 /* Note that we actually need to do this for _all_ GtkPixmapMenuItem
1681 whenever the klass->toggle_size changes; but by doing it anytime
1682 this function is called, we get the same effect, just because of
1683 how the preferences option to show pixmaps works. Bogus, broken.
1684 */
1685 if (GTK_WIDGET_VISIBLE(GTK_WIDGET(menu_item)))
1686 gtk_widget_queue_resize(GTK_WIDGET(menu_item));
1687 }
1688
1689 #endif // USE_MENU_BITMAPS
1690
wxWidgets (Impactor)