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fix for wxComboBox::GetSelection from inside event handler
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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
33extern void wxapp_install_idle_handler();
34extern bool g_isIdle;
35
36#if (GTK_MINOR_VERSION > 0) && wxUSE_ACCEL
37static 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
56typedef struct _GtkPixmapMenuItem GtkPixmapMenuItem;
57typedef struct _GtkPixmapMenuItemClass GtkPixmapMenuItemClass;
58
59struct _GtkPixmapMenuItem
60{
61 GtkMenuItem menu_item;
62
63 GtkWidget *pixmap;
64};
65
66struct _GtkPixmapMenuItemClass
67{
68 GtkMenuItemClass parent_class;
69
70 guint orig_toggle_size;
71 guint have_pixmap_count;
72};
73
74
75GtkType gtk_pixmap_menu_item_get_type (void);
76GtkWidget* gtk_pixmap_menu_item_new (void);
77void gtk_pixmap_menu_item_set_pixmap (GtkPixmapMenuItem *menu_item,
78 GtkWidget *pixmap);
79
80//-----------------------------------------------------------------------------
81// idle system
82//-----------------------------------------------------------------------------
83
84static 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
123IMPLEMENT_DYNAMIC_CLASS(wxMenuBar,wxWindow)
124
125wxMenuBar::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
166wxMenuBar::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
198wxMenuBar::~wxMenuBar()
199{
200// gtk_object_unref( GTK_OBJECT(m_factory) ); why not ?
201}
202
203static 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
226static 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
251void 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
274void 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
295bool 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
303bool 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
361bool 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
392wxMenu *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
405wxMenu *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
433static 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
455int 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
471static 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
489wxMenuItem* 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
508void 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
520wxString 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
549void 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
579static void gtk_menu_clicked_callback( GtkWidget *widget, wxMenu *menu )
580{
581 if (g_isIdle)
582 wxapp_install_idle_handler();
583
584 int id = menu->FindMenuIdByMenuItem(widget);
585
586 /* should find it for normal (not popup) menu */
587 wxASSERT_MSG( (id != -1) || (menu->GetInvokingWindow() != NULL),
588 _T("menu item not found in gtk_menu_clicked_callback") );
589
590 if (!menu->IsEnabled(id))
591 return;
592
593 wxMenuItem* item = menu->FindChildItem( id );
594 wxCHECK_RET( item, wxT("error in menu item callback") );
595
596 if (item->IsCheckable())
597 {
598 bool isReallyChecked = item->IsChecked();
599 if ( item->wxMenuItemBase::IsChecked() == isReallyChecked )
600 {
601 /* the menu item has been checked by calling wxMenuItem->Check() */
602 return;
603 }
604 else
605 {
606 /* the user pressed on the menu item -> report and make consistent
607 * again */
608 item->wxMenuItemBase::Check(isReallyChecked);
609 }
610 }
611
612 menu->SendEvent(item->GetId(), item->IsCheckable() ? item->IsChecked() : -1);
613}
614
615//-----------------------------------------------------------------------------
616// "select"
617//-----------------------------------------------------------------------------
618
619static void gtk_menu_hilight_callback( GtkWidget *widget, wxMenu *menu )
620{
621 if (g_isIdle) wxapp_install_idle_handler();
622
623 int id = menu->FindMenuIdByMenuItem(widget);
624
625 wxASSERT( id != -1 ); // should find it!
626
627 if (!menu->IsEnabled(id))
628 return;
629
630 wxMenuEvent event( wxEVT_MENU_HIGHLIGHT, id );
631 event.SetEventObject( menu );
632
633 if (menu->GetEventHandler()->ProcessEvent(event))
634 return;
635
636 wxWindow *win = menu->GetInvokingWindow();
637 if (win) win->GetEventHandler()->ProcessEvent( event );
638}
639
640//-----------------------------------------------------------------------------
641// "deselect"
642//-----------------------------------------------------------------------------
643
644static void gtk_menu_nolight_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, -1 );
656 event.SetEventObject( menu );
657
658 if (menu->GetEventHandler()->ProcessEvent(event))
659 return;
660
661 wxWindow *win = menu->GetInvokingWindow();
662 if (win)
663 win->GetEventHandler()->ProcessEvent( event );
664}
665
666//-----------------------------------------------------------------------------
667// wxMenuItem
668//-----------------------------------------------------------------------------
669
670IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxMenuItemBase)
671
672wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu,
673 int id,
674 const wxString& name,
675 const wxString& help,
676 bool isCheckable,
677 wxMenu *subMenu)
678{
679 return new wxMenuItem(parentMenu, id, name, help, isCheckable, subMenu);
680}
681
682wxMenuItem::wxMenuItem(wxMenu *parentMenu,
683 int id,
684 const wxString& text,
685 const wxString& help,
686 bool isCheckable,
687 wxMenu *subMenu)
688{
689 m_id = id;
690 m_isCheckable = isCheckable;
691 m_isChecked = FALSE;
692 m_isEnabled = TRUE;
693 m_subMenu = subMenu;
694 m_parentMenu = parentMenu;
695 m_help = help;
696
697 m_labelWidget = (GtkWidget *) NULL;
698 m_menuItem = (GtkWidget *) NULL;
699
700 DoSetText(text);
701}
702
703wxMenuItem::~wxMenuItem()
704{
705 // don't delete menu items, the menus take care of that
706}
707
708// return the menu item text without any menu accels
709/* static */
710wxString wxMenuItemBase::GetLabelFromText(const wxString& text)
711{
712 wxString label;
713
714 for ( const wxChar *pc = text.c_str(); *pc; pc++ )
715 {
716 if ( *pc == wxT('_') )
717 {
718 // wxGTK escapes "xxx_xxx" to "xxx__xxx"
719 pc++;
720 label += *pc;
721 continue;
722 }
723
724 if ( *pc == wxT('&') )
725 {
726 // wxMSW escapes &
727 continue;
728 }
729
730 label += *pc;
731 }
732
733 return label;
734}
735
736void wxMenuItem::SetText( const wxString& str )
737{
738 DoSetText(str);
739
740 if (m_menuItem)
741 {
742 GtkLabel *label;
743 if (m_labelWidget)
744 label = (GtkLabel*) m_labelWidget;
745 else
746 label = GTK_LABEL( GTK_BIN(m_menuItem)->child );
747
748 /* set new text */
749 gtk_label_set( label, m_text.mb_str());
750
751 /* reparse key accel */
752 (void)gtk_label_parse_uline (GTK_LABEL(label), m_text.mb_str() );
753 gtk_accel_label_refetch( GTK_ACCEL_LABEL(label) );
754 }
755}
756
757// it's valid for this function to be called even if m_menuItem == NULL
758void wxMenuItem::DoSetText( const wxString& str )
759{
760 /* '\t' is the deliminator indicating a hot key */
761 m_text.Empty();
762 const wxChar *pc = str;
763 for (; (*pc != wxT('\0')) && (*pc != wxT('\t')); pc++ )
764 {
765 if (*pc == wxT('&'))
766 {
767#if (GTK_MINOR_VERSION > 0)
768 m_text << wxT('_');
769 }
770 else if ( *pc == wxT('_') ) // escape underscores
771 {
772 m_text << wxT("__");
773 }
774 else if (*pc == wxT('/')) /* we have to filter out slashes ... */
775 {
776 m_text << wxT('\\'); /* ... and replace them with back slashes */
777#endif
778 }
779 else
780 m_text << *pc;
781 }
782
783 /* only GTK 1.2 knows about hot keys */
784 m_hotKey = wxT("");
785#if (GTK_MINOR_VERSION > 0)
786 if(*pc == wxT('\t'))
787 {
788 pc++;
789 m_hotKey = pc;
790 }
791#endif
792}
793
794#if wxUSE_ACCEL
795
796wxAcceleratorEntry *wxMenuItem::GetAccel() const
797{
798 if ( !GetHotKey() )
799 {
800 // nothing
801 return (wxAcceleratorEntry *)NULL;
802 }
803
804 // as wxGetAccelFromString() looks for TAB, insert a dummy one here
805 wxString label;
806 label << wxT('\t') << GetHotKey();
807
808 return wxGetAccelFromString(label);
809}
810
811#endif // wxUSE_ACCEL
812
813void wxMenuItem::Check( bool check )
814{
815 wxCHECK_RET( m_menuItem, wxT("invalid menu item") );
816
817 wxCHECK_RET( IsCheckable(), wxT("Can't check uncheckable item!") )
818
819 if (check == m_isChecked)
820 return;
821
822 wxMenuItemBase::Check( check );
823 gtk_check_menu_item_set_state( (GtkCheckMenuItem*)m_menuItem, (gint)check );
824}
825
826void wxMenuItem::Enable( bool enable )
827{
828 wxCHECK_RET( m_menuItem, wxT("invalid menu item") );
829
830 gtk_widget_set_sensitive( m_menuItem, enable );
831 wxMenuItemBase::Enable( enable );
832}
833
834bool wxMenuItem::IsChecked() const
835{
836 wxCHECK_MSG( m_menuItem, FALSE, wxT("invalid menu item") );
837
838 wxCHECK_MSG( IsCheckable(), FALSE,
839 wxT("can't get state of uncheckable item!") );
840
841 return ((GtkCheckMenuItem*)m_menuItem)->active != 0;
842}
843
844wxString wxMenuItem::GetFactoryPath() const
845{
846 /* in order to get the pointer to the item we need the item text
847 _without_ underscores */
848 wxString path( wxT("<main>/") );
849
850 for ( const wxChar *pc = m_text.c_str(); *pc; pc++ )
851 {
852 if ( *pc == wxT('_') || *pc == wxT('&') )
853 {
854 // remove '_' and '&' unconditionally
855 continue;
856 }
857
858 path += *pc;
859 }
860
861 return path;
862}
863
864//-----------------------------------------------------------------------------
865// wxMenu
866//-----------------------------------------------------------------------------
867
868IMPLEMENT_DYNAMIC_CLASS(wxMenu,wxEvtHandler)
869
870void wxMenu::Init()
871{
872#if (GTK_MINOR_VERSION > 0)
873 m_accel = gtk_accel_group_new();
874 m_factory = gtk_item_factory_new( GTK_TYPE_MENU, "<main>", m_accel );
875 m_menu = gtk_item_factory_get_widget( m_factory, "<main>" );
876#else
877 m_menu = gtk_menu_new(); // Do not show!
878#endif
879
880 m_owner = (GtkWidget*) NULL;
881
882#if (GTK_MINOR_VERSION > 0)
883 /* Tearoffs are entries, just like separators. So if we want this
884 menu to be a tear-off one, we just append a tearoff entry
885 immediately. */
886 if(m_style & wxMENU_TEAROFF)
887 {
888 GtkItemFactoryEntry entry;
889 entry.path = "/tearoff";
890 entry.callback = (GtkItemFactoryCallback) NULL;
891 entry.callback_action = 0;
892 entry.item_type = "<Tearoff>";
893 entry.accelerator = (gchar*) NULL;
894 gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 ); /* what is 2 ? */
895 //GtkWidget *menuItem = gtk_item_factory_get_widget( m_factory, "<main>/tearoff" );
896 }
897#endif
898
899 // append the title as the very first entry if we have it
900 if ( !!m_title )
901 {
902 Append(-2, m_title);
903 AppendSeparator();
904 }
905}
906
907wxMenu::~wxMenu()
908{
909 m_items.Clear();
910
911 gtk_widget_destroy( m_menu );
912
913 gtk_object_unref( GTK_OBJECT(m_factory) );
914}
915
916bool wxMenu::GtkAppend(wxMenuItem *mitem)
917{
918 GtkWidget *menuItem;
919
920 bool appended = FALSE;
921
922 if ( mitem->IsSeparator() )
923 {
924#if (GTK_MINOR_VERSION > 0)
925 GtkItemFactoryEntry entry;
926 entry.path = "/sep";
927 entry.callback = (GtkItemFactoryCallback) NULL;
928 entry.callback_action = 0;
929 entry.item_type = "<Separator>";
930 entry.accelerator = (gchar*) NULL;
931
932 gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 ); /* what is 2 ? */
933
934 /* this will be wrong for more than one separator. do we care? */
935 menuItem = gtk_item_factory_get_widget( m_factory, "<main>/sep" );
936#else // GTK+ 1.0
937 menuItem = gtk_menu_item_new();
938#endif // GTK 1.2/1.0
939 }
940 else if ( mitem->IsSubMenu() )
941 {
942#if (GTK_MINOR_VERSION > 0)
943 /* text has "_" instead of "&" after mitem->SetText() */
944 wxString text( mitem->GetText() );
945
946 /* local buffer in multibyte form */
947 char buf[200];
948 strcpy( buf, "/" );
949 strcat( buf, text.mb_str() );
950
951 GtkItemFactoryEntry entry;
952 entry.path = buf;
953 entry.callback = (GtkItemFactoryCallback) 0;
954 entry.callback_action = 0;
955 entry.item_type = "<Branch>";
956 entry.accelerator = (gchar*) NULL;
957
958 gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 ); /* what is 2 ? */
959
960 wxString path( mitem->GetFactoryPath() );
961 menuItem = gtk_item_factory_get_item( m_factory, path.mb_str() );
962#else // GTK+ 1.0
963 menuItem = gtk_menu_item_new_with_label(mitem->GetText().mbc_str());
964#endif // GTK 1.2/1.0
965
966 gtk_menu_item_set_submenu( GTK_MENU_ITEM(menuItem), mitem->GetSubMenu()->m_menu );
967
968 // if adding a submenu to a menu already existing in the menu bar, we
969 // must set invoking window to allow processing events from this
970 // submenu
971 if ( m_invokingWindow )
972 wxMenubarSetInvokingWindow(mitem->GetSubMenu(), m_invokingWindow);
973 }
974 else if (mitem->GetBitmap().Ok()) // An item with bitmap
975 {
976 wxString text( mitem->GetText() );
977 const wxBitmap *bitmap = &mitem->GetBitmap();
978
979 menuItem = gtk_pixmap_menu_item_new ();
980 GtkWidget *label = gtk_accel_label_new (text.mb_str());
981 gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
982 gtk_container_add (GTK_CONTAINER (menuItem), label);
983 guint accel_key = gtk_label_parse_uline (GTK_LABEL(label), text.mb_str() );
984 gtk_accel_label_set_accel_widget (GTK_ACCEL_LABEL (label), menuItem);
985 if (accel_key != GDK_VoidSymbol)
986 {
987 gtk_widget_add_accelerator (menuItem,
988 "activate_item",
989 gtk_menu_ensure_uline_accel_group (GTK_MENU (m_menu)),
990 accel_key, 0,
991 GTK_ACCEL_LOCKED);
992 }
993 gtk_widget_show (label);
994
995 mitem->SetLabelWidget(label);
996
997 GtkWidget* pixmap = gtk_pixmap_new( bitmap->GetPixmap(), bitmap->GetMask() ? bitmap->GetMask()->GetBitmap() : (GdkBitmap* )NULL);
998 gtk_widget_show(pixmap);
999 gtk_pixmap_menu_item_set_pixmap(GTK_PIXMAP_MENU_ITEM( menuItem ), pixmap);
1000
1001 gtk_signal_connect( GTK_OBJECT(menuItem), "activate",
1002 GTK_SIGNAL_FUNC(gtk_menu_clicked_callback),
1003 (gpointer)this );
1004 gtk_menu_append( GTK_MENU(m_menu), menuItem );
1005 gtk_widget_show( menuItem );
1006
1007 appended = TRUE; // We've done this, don't do it again
1008 }
1009 else // a normal item
1010 {
1011#if (GTK_MINOR_VERSION > 0)
1012 /* text has "_" instead of "&" after mitem->SetText() */
1013 wxString text( mitem->GetText() );
1014
1015 /* local buffer in multibyte form */
1016 char buf[200];
1017 strcpy( buf, "/" );
1018 strcat( buf, text.mb_str() );
1019
1020 GtkItemFactoryEntry entry;
1021 entry.path = buf;
1022 entry.callback = (GtkItemFactoryCallback) gtk_menu_clicked_callback;
1023 entry.callback_action = 0;
1024 if ( mitem->IsCheckable() )
1025 entry.item_type = "<CheckItem>";
1026 else
1027 entry.item_type = "<Item>";
1028 entry.accelerator = (gchar*) NULL;
1029
1030#if wxUSE_ACCEL
1031 // due to an apparent bug in GTK+, we have to use a static buffer here -
1032 // otherwise GTK+ 1.2.2 manages to override the memory we pass to it
1033 // somehow! (VZ)
1034 static char s_accel[50]; // must be big enougg
1035 wxString tmp( GetHotKey(*mitem) );
1036 strncpy(s_accel, tmp.mb_str(), WXSIZEOF(s_accel));
1037 entry.accelerator = s_accel;
1038#else // !wxUSE_ACCEL
1039 entry.accelerator = (char*) NULL;
1040#endif // wxUSE_ACCEL/!wxUSE_ACCEL
1041
1042 gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 ); /* what is 2 ? */
1043
1044 wxString path( mitem->GetFactoryPath() );
1045 menuItem = gtk_item_factory_get_widget( m_factory, path.mb_str() );
1046#else // GTK+ 1.0
1047 menuItem = checkable ? gtk_check_menu_item_new_with_label( mitem->GetText().mb_str() )
1048 : gtk_menu_item_new_with_label( mitem->GetText().mb_str() );
1049
1050 gtk_signal_connect( GTK_OBJECT(menuItem), "activate",
1051 GTK_SIGNAL_FUNC(gtk_menu_clicked_callback),
1052 (gpointer)this );
1053#endif // GTK+ 1.2/1.0
1054 }
1055
1056 if ( !mitem->IsSeparator() )
1057 {
1058 gtk_signal_connect( GTK_OBJECT(menuItem), "select",
1059 GTK_SIGNAL_FUNC(gtk_menu_hilight_callback),
1060 (gpointer)this );
1061
1062 gtk_signal_connect( GTK_OBJECT(menuItem), "deselect",
1063 GTK_SIGNAL_FUNC(gtk_menu_nolight_callback),
1064 (gpointer)this );
1065 }
1066
1067#if GTK_MINOR_VERSION == 0
1068 if (!appended)
1069 {
1070 gtk_menu_append( GTK_MENU(m_menu), menuItem );
1071 gtk_widget_show( menuItem );
1072 }
1073#endif // GTK+ 1.0
1074
1075 mitem->SetMenuItem(menuItem);
1076
1077 return TRUE;
1078}
1079
1080bool wxMenu::DoAppend(wxMenuItem *mitem)
1081{
1082 return GtkAppend(mitem) && wxMenuBase::DoAppend(mitem);
1083}
1084
1085bool wxMenu::DoInsert(size_t pos, wxMenuItem *item)
1086{
1087 if ( !wxMenuBase::DoInsert(pos, item) )
1088 return FALSE;
1089
1090#ifdef __WXGTK12__
1091 // GTK+ doesn't have a function to insert a menu using GtkItemFactory (as
1092 // of version 1.2.6), so we first append the item and then change its
1093 // index
1094 if ( !GtkAppend(item) )
1095 return FALSE;
1096
1097 if ( m_style & wxMENU_TEAROFF )
1098 {
1099 // change the position as the first item is the tear-off marker
1100 pos++;
1101 }
1102
1103 GtkMenuShell *menu_shell = GTK_MENU_SHELL(m_factory->widget);
1104 gpointer data = g_list_last(menu_shell->children)->data;
1105 menu_shell->children = g_list_remove(menu_shell->children, data);
1106 menu_shell->children = g_list_insert(menu_shell->children, data, pos);
1107
1108 return TRUE;
1109#else // GTK < 1.2
1110 // this should be easy to do...
1111 wxFAIL_MSG( wxT("not implemented") );
1112
1113 return FALSE;
1114#endif // GTK 1.2/1.0
1115}
1116
1117wxMenuItem *wxMenu::DoRemove(wxMenuItem *item)
1118{
1119 if ( !wxMenuBase::DoRemove(item) )
1120 return (wxMenuItem *)NULL;
1121
1122 // TODO: this code doesn't delete the item factory item and this seems
1123 // impossible as of GTK 1.2.6.
1124 gtk_widget_destroy( item->GetMenuItem() );
1125
1126 return item;
1127}
1128
1129int wxMenu::FindMenuIdByMenuItem( GtkWidget *menuItem ) const
1130{
1131 wxNode *node = m_items.First();
1132 while (node)
1133 {
1134 wxMenuItem *item = (wxMenuItem*)node->Data();
1135 if (item->GetMenuItem() == menuItem)
1136 return item->GetId();
1137 node = node->Next();
1138 }
1139
1140 return wxNOT_FOUND;
1141}
1142
1143// ----------------------------------------------------------------------------
1144// helpers
1145// ----------------------------------------------------------------------------
1146
1147#if (GTK_MINOR_VERSION > 0) && wxUSE_ACCEL
1148static wxString GetHotKey( const wxMenuItem& item )
1149{
1150 wxString hotkey;
1151
1152 wxAcceleratorEntry *accel = item.GetAccel();
1153 if ( accel )
1154 {
1155 int flags = accel->GetFlags();
1156 if ( flags & wxACCEL_ALT )
1157 hotkey += wxT("<alt>");
1158 if ( flags & wxACCEL_CTRL )
1159 hotkey += wxT("<control>");
1160 if ( flags & wxACCEL_SHIFT )
1161 hotkey += wxT("<shift>");
1162
1163 int code = accel->GetKeyCode();
1164 switch ( code )
1165 {
1166 case WXK_F1:
1167 case WXK_F2:
1168 case WXK_F3:
1169 case WXK_F4:
1170 case WXK_F5:
1171 case WXK_F6:
1172 case WXK_F7:
1173 case WXK_F8:
1174 case WXK_F9:
1175 case WXK_F10:
1176 case WXK_F11:
1177 case WXK_F12:
1178 hotkey << wxT('F') << code - WXK_F1 + 1;
1179 break;
1180
1181 // GTK seems to use XStringToKeySym here
1182 case WXK_NUMPAD_INSERT:
1183 hotkey << wxT("KP_Insert" );
1184 break;
1185 case WXK_NUMPAD_DELETE:
1186 hotkey << wxT("KP_Delete" );
1187 break;
1188 case WXK_INSERT:
1189 hotkey << wxT("Insert" );
1190 break;
1191 case WXK_DELETE:
1192 hotkey << wxT("Delete" );
1193 break;
1194
1195 // if there are any other keys wxGetAccelFromString() may return,
1196 // we should process them here
1197
1198 default:
1199 if ( wxIsalnum(code) )
1200 {
1201 hotkey << (wxChar)code;
1202
1203 break;
1204 }
1205
1206 wxFAIL_MSG( wxT("unknown keyboard accel") );
1207 }
1208
1209 delete accel;
1210 }
1211
1212 return hotkey;
1213}
1214#endif // wxUSE_ACCEL
1215
1216
1217//-----------------------------------------------------------------------------
1218// substitute for missing GtkPixmapMenuItem
1219//-----------------------------------------------------------------------------
1220
1221/*
1222 * Copyright (C) 1998, 1999, 2000 Free Software Foundation
1223 * All rights reserved.
1224 *
1225 * This file is part of the Gnome Library.
1226 *
1227 * The Gnome Library is free software; you can redistribute it and/or
1228 * modify it under the terms of the GNU Library General Public License as
1229 * published by the Free Software Foundation; either version 2 of the
1230 * License, or (at your option) any later version.
1231 *
1232 * The Gnome Library is distributed in the hope that it will be useful,
1233 * but WITHOUT ANY WARRANTY; without even the implied warranty of
1234 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
1235 * Library General Public License for more details.
1236 *
1237 * You should have received a copy of the GNU Library General Public
1238 * License along with the Gnome Library; see the file COPYING.LIB. If not,
1239 * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
1240 * Boston, MA 02111-1307, USA.
1241 */
1242/*
1243 @NOTATION@
1244 */
1245
1246/* Author: Dietmar Maurer <dm@vlsivie.tuwien.ac.at> */
1247
1248#include <gtk/gtkaccellabel.h>
1249#include <gtk/gtksignal.h>
1250#include <gtk/gtkmenuitem.h>
1251#include <gtk/gtkmenu.h>
1252#include <gtk/gtkcontainer.h>
1253
1254static void gtk_pixmap_menu_item_class_init (GtkPixmapMenuItemClass *klass);
1255static void gtk_pixmap_menu_item_init (GtkPixmapMenuItem *menu_item);
1256static void gtk_pixmap_menu_item_draw (GtkWidget *widget,
1257 GdkRectangle *area);
1258static gint gtk_pixmap_menu_item_expose (GtkWidget *widget,
1259 GdkEventExpose *event);
1260
1261/* we must override the following functions */
1262
1263static void gtk_pixmap_menu_item_map (GtkWidget *widget);
1264static void gtk_pixmap_menu_item_size_allocate (GtkWidget *widget,
1265 GtkAllocation *allocation);
1266static void gtk_pixmap_menu_item_forall (GtkContainer *container,
1267 gboolean include_internals,
1268 GtkCallback callback,
1269 gpointer callback_data);
1270static void gtk_pixmap_menu_item_size_request (GtkWidget *widget,
1271 GtkRequisition *requisition);
1272static void gtk_pixmap_menu_item_remove (GtkContainer *container,
1273 GtkWidget *child);
1274
1275static void changed_have_pixmap_status (GtkPixmapMenuItem *menu_item);
1276
1277static GtkMenuItemClass *parent_class = NULL;
1278
1279#define BORDER_SPACING 3
1280#define PMAP_WIDTH 20
1281
1282GtkType
1283gtk_pixmap_menu_item_get_type (void)
1284{
1285 static GtkType pixmap_menu_item_type = 0;
1286
1287 if (!pixmap_menu_item_type)
1288 {
1289 GtkTypeInfo pixmap_menu_item_info =
1290 {
1291 "GtkPixmapMenuItem",
1292 sizeof (GtkPixmapMenuItem),
1293 sizeof (GtkPixmapMenuItemClass),
1294 (GtkClassInitFunc) gtk_pixmap_menu_item_class_init,
1295 (GtkObjectInitFunc) gtk_pixmap_menu_item_init,
1296 /* reserved_1 */ NULL,
1297 /* reserved_2 */ NULL,
1298 (GtkClassInitFunc) NULL,
1299 };
1300
1301 pixmap_menu_item_type = gtk_type_unique (gtk_menu_item_get_type (),
1302 &pixmap_menu_item_info);
1303 }
1304
1305 return pixmap_menu_item_type;
1306}
1307
1308/**
1309 * gtk_pixmap_menu_item_new
1310 *
1311 * Creates a new pixmap menu item. Use gtk_pixmap_menu_item_set_pixmap()
1312 * to set the pixmap wich is displayed at the left side.
1313 *
1314 * Returns:
1315 * &GtkWidget pointer to new menu item
1316 **/
1317
1318GtkWidget*
1319gtk_pixmap_menu_item_new (void)
1320{
1321 return GTK_WIDGET (gtk_type_new (gtk_pixmap_menu_item_get_type ()));
1322}
1323
1324static void
1325gtk_pixmap_menu_item_class_init (GtkPixmapMenuItemClass *klass)
1326{
1327 GtkObjectClass *object_class;
1328 GtkWidgetClass *widget_class;
1329 GtkMenuItemClass *menu_item_class;
1330 GtkContainerClass *container_class;
1331
1332 object_class = (GtkObjectClass*) klass;
1333 widget_class = (GtkWidgetClass*) klass;
1334 menu_item_class = (GtkMenuItemClass*) klass;
1335 container_class = (GtkContainerClass*) klass;
1336
1337 parent_class = (GtkMenuItemClass*) gtk_type_class (gtk_menu_item_get_type ());
1338
1339 widget_class->draw = gtk_pixmap_menu_item_draw;
1340 widget_class->expose_event = gtk_pixmap_menu_item_expose;
1341 widget_class->map = gtk_pixmap_menu_item_map;
1342 widget_class->size_allocate = gtk_pixmap_menu_item_size_allocate;
1343 widget_class->size_request = gtk_pixmap_menu_item_size_request;
1344
1345 container_class->forall = gtk_pixmap_menu_item_forall;
1346 container_class->remove = gtk_pixmap_menu_item_remove;
1347
1348 klass->orig_toggle_size = menu_item_class->toggle_size;
1349 klass->have_pixmap_count = 0;
1350}
1351
1352static void
1353gtk_pixmap_menu_item_init (GtkPixmapMenuItem *menu_item)
1354{
1355 GtkMenuItem *mi;
1356
1357 mi = GTK_MENU_ITEM (menu_item);
1358
1359 menu_item->pixmap = NULL;
1360}
1361
1362static void
1363gtk_pixmap_menu_item_draw (GtkWidget *widget,
1364 GdkRectangle *area)
1365{
1366 g_return_if_fail (widget != NULL);
1367 g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (widget));
1368 g_return_if_fail (area != NULL);
1369
1370 if (GTK_WIDGET_CLASS (parent_class)->draw)
1371 (* GTK_WIDGET_CLASS (parent_class)->draw) (widget, area);
1372
1373 if (GTK_WIDGET_DRAWABLE (widget) &&
1374 GTK_PIXMAP_MENU_ITEM(widget)->pixmap) {
1375 gtk_widget_draw(GTK_WIDGET(GTK_PIXMAP_MENU_ITEM(widget)->pixmap),NULL);
1376 }
1377}
1378
1379static gint
1380gtk_pixmap_menu_item_expose (GtkWidget *widget,
1381 GdkEventExpose *event)
1382{
1383 g_return_val_if_fail (widget != NULL, FALSE);
1384 g_return_val_if_fail (GTK_IS_PIXMAP_MENU_ITEM (widget), FALSE);
1385 g_return_val_if_fail (event != NULL, FALSE);
1386
1387 if (GTK_WIDGET_CLASS (parent_class)->expose_event)
1388 (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
1389
1390 if (GTK_WIDGET_DRAWABLE (widget) &&
1391 GTK_PIXMAP_MENU_ITEM(widget)->pixmap) {
1392 gtk_widget_draw(GTK_WIDGET(GTK_PIXMAP_MENU_ITEM(widget)->pixmap),NULL);
1393 }
1394
1395 return FALSE;
1396}
1397
1398/**
1399 * gtk_pixmap_menu_item_set_pixmap
1400 * @menu_item: Pointer to the pixmap menu item
1401 * @pixmap: Pointer to a pixmap widget
1402 *
1403 * Set the pixmap of the menu item.
1404 *
1405 **/
1406
1407void
1408gtk_pixmap_menu_item_set_pixmap (GtkPixmapMenuItem *menu_item,
1409 GtkWidget *pixmap)
1410{
1411 g_return_if_fail (menu_item != NULL);
1412 g_return_if_fail (pixmap != NULL);
1413 g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (menu_item));
1414 g_return_if_fail (GTK_IS_WIDGET (pixmap));
1415 g_return_if_fail (menu_item->pixmap == NULL);
1416
1417 gtk_widget_set_parent (pixmap, GTK_WIDGET (menu_item));
1418 menu_item->pixmap = pixmap;
1419
1420 if (GTK_WIDGET_REALIZED (pixmap->parent) &&
1421 !GTK_WIDGET_REALIZED (pixmap))
1422 gtk_widget_realize (pixmap);
1423
1424 if (GTK_WIDGET_VISIBLE (pixmap->parent)) {
1425 if (GTK_WIDGET_MAPPED (pixmap->parent) &&
1426 GTK_WIDGET_VISIBLE(pixmap) &&
1427 !GTK_WIDGET_MAPPED (pixmap))
1428 gtk_widget_map (pixmap);
1429 }
1430
1431 changed_have_pixmap_status(menu_item);
1432
1433 if (GTK_WIDGET_VISIBLE (pixmap) && GTK_WIDGET_VISIBLE (menu_item))
1434 gtk_widget_queue_resize (pixmap);
1435}
1436
1437static void
1438gtk_pixmap_menu_item_map (GtkWidget *widget)
1439{
1440 GtkPixmapMenuItem *menu_item;
1441
1442 g_return_if_fail (widget != NULL);
1443 g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (widget));
1444
1445 menu_item = GTK_PIXMAP_MENU_ITEM(widget);
1446
1447 GTK_WIDGET_CLASS(parent_class)->map(widget);
1448
1449 if (menu_item->pixmap &&
1450 GTK_WIDGET_VISIBLE (menu_item->pixmap) &&
1451 !GTK_WIDGET_MAPPED (menu_item->pixmap))
1452 gtk_widget_map (menu_item->pixmap);
1453}
1454
1455static void
1456gtk_pixmap_menu_item_size_allocate (GtkWidget *widget,
1457 GtkAllocation *allocation)
1458{
1459 GtkPixmapMenuItem *pmenu_item;
1460
1461 pmenu_item = GTK_PIXMAP_MENU_ITEM(widget);
1462
1463 if (pmenu_item->pixmap && GTK_WIDGET_VISIBLE(pmenu_item))
1464 {
1465 GtkAllocation child_allocation;
1466 int border_width;
1467
1468 border_width = GTK_CONTAINER (widget)->border_width;
1469
1470 child_allocation.width = pmenu_item->pixmap->requisition.width;
1471 child_allocation.height = pmenu_item->pixmap->requisition.height;
1472 child_allocation.x = border_width + BORDER_SPACING;
1473 child_allocation.y = (border_width + BORDER_SPACING
1474 + (((allocation->height - child_allocation.height) - child_allocation.x)
1475 / 2)); /* center pixmaps vertically */
1476 gtk_widget_size_allocate (pmenu_item->pixmap, &child_allocation);
1477 }
1478
1479 if (GTK_WIDGET_CLASS (parent_class)->size_allocate)
1480 GTK_WIDGET_CLASS(parent_class)->size_allocate (widget, allocation);
1481}
1482
1483static void
1484gtk_pixmap_menu_item_forall (GtkContainer *container,
1485 gboolean include_internals,
1486 GtkCallback callback,
1487 gpointer callback_data)
1488{
1489 GtkPixmapMenuItem *menu_item;
1490
1491 g_return_if_fail (container != NULL);
1492 g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (container));
1493 g_return_if_fail (callback != NULL);
1494
1495 menu_item = GTK_PIXMAP_MENU_ITEM (container);
1496
1497 if (menu_item->pixmap)
1498 (* callback) (menu_item->pixmap, callback_data);
1499
1500 GTK_CONTAINER_CLASS(parent_class)->forall(container,include_internals,
1501 callback,callback_data);
1502}
1503
1504static void
1505gtk_pixmap_menu_item_size_request (GtkWidget *widget,
1506 GtkRequisition *requisition)
1507{
1508 GtkPixmapMenuItem *menu_item;
1509 GtkRequisition req = {0, 0};
1510
1511 g_return_if_fail (widget != NULL);
1512 g_return_if_fail (GTK_IS_MENU_ITEM (widget));
1513 g_return_if_fail (requisition != NULL);
1514
1515 GTK_WIDGET_CLASS(parent_class)->size_request(widget,requisition);
1516
1517 menu_item = GTK_PIXMAP_MENU_ITEM (widget);
1518
1519 if (menu_item->pixmap)
1520 gtk_widget_size_request(menu_item->pixmap, &req);
1521
1522 requisition->height = MAX(req.height + GTK_CONTAINER(widget)->border_width + BORDER_SPACING, (unsigned int) requisition->height);
1523 requisition->width += (req.width + GTK_CONTAINER(widget)->border_width + BORDER_SPACING);
1524}
1525
1526static void
1527gtk_pixmap_menu_item_remove (GtkContainer *container,
1528 GtkWidget *child)
1529{
1530 GtkBin *bin;
1531 gboolean widget_was_visible;
1532
1533 g_return_if_fail (container != NULL);
1534 g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (container));
1535 g_return_if_fail (child != NULL);
1536 g_return_if_fail (GTK_IS_WIDGET (child));
1537
1538 bin = GTK_BIN (container);
1539 g_return_if_fail ((bin->child == child ||
1540 (GTK_PIXMAP_MENU_ITEM(container)->pixmap == child)));
1541
1542 widget_was_visible = GTK_WIDGET_VISIBLE (child);
1543
1544 gtk_widget_unparent (child);
1545 if (bin->child == child)
1546 bin->child = NULL;
1547 else {
1548 GTK_PIXMAP_MENU_ITEM(container)->pixmap = NULL;
1549 changed_have_pixmap_status(GTK_PIXMAP_MENU_ITEM(container));
1550 }
1551
1552 if (widget_was_visible)
1553 gtk_widget_queue_resize (GTK_WIDGET (container));
1554}
1555
1556
1557/* important to only call this if there was actually a _change_ in pixmap == NULL */
1558static void
1559changed_have_pixmap_status (GtkPixmapMenuItem *menu_item)
1560{
1561 if (menu_item->pixmap != NULL) {
1562 GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count += 1;
1563
1564 if (GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count == 1) {
1565 /* Install pixmap toggle size */
1566 GTK_MENU_ITEM_GET_CLASS(menu_item)->toggle_size = MAX(GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->orig_toggle_size, PMAP_WIDTH);
1567 }
1568 } else {
1569 GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count -= 1;
1570
1571 if (GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count == 0) {
1572 /* Install normal toggle size */
1573 GTK_MENU_ITEM_GET_CLASS(menu_item)->toggle_size = GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->orig_toggle_size;
1574 }
1575 }
1576
1577 /* Note that we actually need to do this for _all_ GtkPixmapMenuItem
1578 whenever the klass->toggle_size changes; but by doing it anytime
1579 this function is called, we get the same effect, just because of
1580 how the preferences option to show pixmaps works. Bogus, broken.
1581 */
1582 if (GTK_WIDGET_VISIBLE(GTK_WIDGET(menu_item)))
1583 gtk_widget_queue_resize(GTK_WIDGET(menu_item));
1584}
1585
1586
wxWidgets (Impactor)