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1/////////////////////////////////////////////////////////////////////////////
2// Name: src/gtk1/menu.cpp
3// Purpose:
4// Author: Robert Roebling
5// Id: $Id$
6// Copyright: (c) 1998 Robert Roebling
7// Licence: wxWindows licence
8/////////////////////////////////////////////////////////////////////////////
9
10// For compilers that support precompilation, includes "wx.h".
11#include "wx/wxprec.h"
12
13#include "wx/menu.h"
14#include "wx/stockitem.h"
15
16#ifndef WX_PRECOMP
17 #include "wx/intl.h"
18 #include "wx/log.h"
19 #include "wx/app.h"
20 #include "wx/bitmap.h"
21#endif
22
23#if wxUSE_ACCEL
24 #include "wx/accel.h"
25#endif // wxUSE_ACCEL
26
27#include "wx/gtk1/private.h"
28
29#include <gdk/gdkkeysyms.h>
30
31#define ACCEL_OBJECT GtkObject
32#define ACCEL_OBJECTS(a) (a)->attach_objects
33#define ACCEL_OBJ_CAST(obj) GTK_OBJECT(obj)
34
35// we use normal item but with a special id for the menu title
36static const int wxGTK_TITLE_ID = -3;
37
38// defined in window.cpp
39extern guint32 wxGtkTimeLastClick;
40
41//-----------------------------------------------------------------------------
42// idle system
43//-----------------------------------------------------------------------------
44
45extern void wxapp_install_idle_handler();
46extern bool g_isIdle;
47
48#if wxUSE_ACCEL
49static wxString GetGtkHotKey( const wxMenuItem& item );
50#endif
51
52//-----------------------------------------------------------------------------
53// idle system
54//-----------------------------------------------------------------------------
55
56static wxString wxReplaceUnderscore( const wxString& title )
57{
58 const wxChar *pc;
59
60 // GTK 1.2 wants to have "_" instead of "&" for accelerators
61 wxString str;
62 pc = title;
63 while (*pc != wxT('\0'))
64 {
65 if ((*pc == wxT('&')) && (*(pc+1) == wxT('&')))
66 {
67 // "&" is doubled to indicate "&" instead of accelerator
68 ++pc;
69 str << wxT('&');
70 }
71 else if (*pc == wxT('&'))
72 {
73 str << wxT('_');
74 }
75 else
76 {
77 if ( *pc == wxT('_') )
78 {
79 // underscores must be doubled to prevent them from being
80 // interpreted as accelerator character prefix by GTK
81 str << *pc;
82 }
83
84 str << *pc;
85 }
86 ++pc;
87 }
88
89 // wxPrintf( wxT("before %s after %s\n"), title.c_str(), str.c_str() );
90
91 return str;
92}
93
94//-----------------------------------------------------------------------------
95// activate message from GTK
96//-----------------------------------------------------------------------------
97
98static void DoCommonMenuCallbackCode(wxMenu *menu, wxMenuEvent& event)
99{
100 if (g_isIdle)
101 wxapp_install_idle_handler();
102
103 event.SetEventObject( menu );
104
105 wxEvtHandler* handler = menu->GetEventHandler();
106 if (handler && handler->ProcessEvent(event))
107 return;
108
109 wxWindow *win = menu->GetInvokingWindow();
110 if (win)
111 win->GetEventHandler()->ProcessEvent( event );
112}
113
114extern "C" {
115
116static void gtk_menu_open_callback( GtkWidget *widget, wxMenu *menu )
117{
118 wxMenuEvent event(wxEVT_MENU_OPEN, -1, menu);
119
120 DoCommonMenuCallbackCode(menu, event);
121}
122
123static void gtk_menu_close_callback( GtkWidget *widget, wxMenuBar *menubar )
124{
125 if ( !menubar->GetMenuCount() )
126 {
127 // if menubar is empty we can't call GetMenu(0) below
128 return;
129 }
130
131 wxMenuEvent event( wxEVT_MENU_CLOSE, -1, NULL );
132
133 DoCommonMenuCallbackCode(menubar->GetMenu(0), event);
134}
135
136}
137
138//-----------------------------------------------------------------------------
139// wxMenuBar
140//-----------------------------------------------------------------------------
141
142IMPLEMENT_DYNAMIC_CLASS(wxMenuBar,wxWindow)
143
144void wxMenuBar::Init(size_t n, wxMenu *menus[], const wxString titles[], long style)
145{
146 // the parent window is known after wxFrame::SetMenu()
147 m_needParent = false;
148 m_style = style;
149 m_invokingWindow = (wxWindow*) NULL;
150
151 if (!PreCreation( (wxWindow*) NULL, wxDefaultPosition, wxDefaultSize ) ||
152 !CreateBase( (wxWindow*) NULL, -1, wxDefaultPosition, wxDefaultSize, style, wxDefaultValidator, wxT("menubar") ))
153 {
154 wxFAIL_MSG( wxT("wxMenuBar creation failed") );
155 return;
156 }
157
158 m_menubar = gtk_menu_bar_new();
159 m_accel = gtk_accel_group_new();
160
161 if (style & wxMB_DOCKABLE)
162 {
163 m_widget = gtk_handle_box_new();
164 gtk_container_add( GTK_CONTAINER(m_widget), GTK_WIDGET(m_menubar) );
165 gtk_widget_show( GTK_WIDGET(m_menubar) );
166 }
167 else
168 {
169 m_widget = GTK_WIDGET(m_menubar);
170 }
171
172 PostCreation();
173
174 ApplyWidgetStyle();
175
176 for (size_t i = 0; i < n; ++i )
177 Append(menus[i], titles[i]);
178
179 // VZ: for some reason connecting to menus "deactivate" doesn't work (we
180 // don't get it when the menu is dismissed by clicking outside the
181 // toolbar) so we connect to the global one, even if it means that we
182 // can't pass the menu which was closed in wxMenuEvent object
183 gtk_signal_connect( GTK_OBJECT(GTK_MENU_SHELL(m_menubar)),
184 "deactivate",
185 GTK_SIGNAL_FUNC(gtk_menu_close_callback),
186 (gpointer)this );
187
188}
189
190wxMenuBar::wxMenuBar(size_t n, wxMenu *menus[], const wxString titles[], long style)
191{
192 Init(n, menus, titles, style);
193}
194
195wxMenuBar::wxMenuBar(long style)
196{
197 Init(0, NULL, NULL, style);
198}
199
200wxMenuBar::wxMenuBar()
201{
202 Init(0, NULL, NULL, 0);
203}
204
205wxMenuBar::~wxMenuBar()
206{
207}
208
209static void wxMenubarUnsetInvokingWindow( wxMenu *menu, wxWindow *win )
210{
211 menu->SetInvokingWindow( (wxWindow*) NULL );
212
213 wxWindow *top_frame = win;
214 while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
215 top_frame = top_frame->GetParent();
216
217 // support for native hot keys
218 gtk_accel_group_detach( menu->m_accel, ACCEL_OBJ_CAST(top_frame->m_widget) );
219
220 wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
221 while (node)
222 {
223 wxMenuItem *menuitem = node->GetData();
224 if (menuitem->IsSubMenu())
225 wxMenubarUnsetInvokingWindow( menuitem->GetSubMenu(), win );
226 node = node->GetNext();
227 }
228}
229
230static void wxMenubarSetInvokingWindow( wxMenu *menu, wxWindow *win )
231{
232 menu->SetInvokingWindow( win );
233
234 wxWindow *top_frame = win;
235 while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
236 top_frame = top_frame->GetParent();
237
238 // support for native hot keys
239 ACCEL_OBJECT *obj = ACCEL_OBJ_CAST(top_frame->m_widget);
240 if ( !g_slist_find( ACCEL_OBJECTS(menu->m_accel), obj ) )
241 gtk_accel_group_attach( menu->m_accel, obj );
242
243 wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
244 while (node)
245 {
246 wxMenuItem *menuitem = node->GetData();
247 if (menuitem->IsSubMenu())
248 wxMenubarSetInvokingWindow( menuitem->GetSubMenu(), win );
249 node = node->GetNext();
250 }
251}
252
253void wxMenuBar::SetInvokingWindow( wxWindow *win )
254{
255 m_invokingWindow = win;
256 wxWindow *top_frame = win;
257 while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
258 top_frame = top_frame->GetParent();
259
260 // support for native key accelerators indicated by underscroes
261 ACCEL_OBJECT *obj = ACCEL_OBJ_CAST(top_frame->m_widget);
262 if ( !g_slist_find( ACCEL_OBJECTS(m_accel), obj ) )
263 gtk_accel_group_attach( m_accel, obj );
264
265 wxMenuList::compatibility_iterator 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 wxWindow *top_frame = win;
278 while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
279 top_frame = top_frame->GetParent();
280
281 // support for native key accelerators indicated by underscroes
282 gtk_accel_group_detach( m_accel, ACCEL_OBJ_CAST(top_frame->m_widget) );
283
284 wxMenuList::compatibility_iterator node = m_menus.GetFirst();
285 while (node)
286 {
287 wxMenu *menu = node->GetData();
288 wxMenubarUnsetInvokingWindow( menu, win );
289 node = node->GetNext();
290 }
291}
292
293bool wxMenuBar::Append( wxMenu *menu, const wxString &title )
294{
295 if ( !wxMenuBarBase::Append( menu, title ) )
296 return false;
297
298 return GtkAppend(menu, title);
299}
300
301bool wxMenuBar::GtkAppend(wxMenu *menu, const wxString& title, int pos)
302{
303 wxString str( wxReplaceUnderscore( title ) );
304
305 // This doesn't have much effect right now.
306 menu->SetTitle( str );
307
308 // The "m_owner" is the "menu item"
309 menu->m_owner = gtk_menu_item_new_with_label( wxGTK_CONV( str ) );
310 GtkLabel *label = GTK_LABEL( GTK_BIN(menu->m_owner)->child );
311 // set new text
312 gtk_label_set_text( label, wxGTK_CONV( str ) );
313 // reparse key accel
314 guint accel_key = gtk_label_parse_uline (GTK_LABEL(label), wxGTK_CONV( str ) );
315 if (accel_key != GDK_VoidSymbol)
316 {
317 gtk_widget_add_accelerator (menu->m_owner,
318 "activate_item",
319 m_accel, //gtk_menu_ensure_uline_accel_group(GTK_MENU(m_menubar)),
320 accel_key,
321 GDK_MOD1_MASK,
322 GTK_ACCEL_LOCKED);
323 }
324
325 gtk_widget_show( menu->m_owner );
326
327 gtk_menu_item_set_submenu( GTK_MENU_ITEM(menu->m_owner), menu->m_menu );
328
329 if (pos == -1)
330 gtk_menu_shell_append( GTK_MENU_SHELL(m_menubar), menu->m_owner );
331 else
332 gtk_menu_shell_insert( GTK_MENU_SHELL(m_menubar), menu->m_owner, pos );
333
334 gtk_signal_connect( GTK_OBJECT(menu->m_owner), "activate",
335 GTK_SIGNAL_FUNC(gtk_menu_open_callback),
336 (gpointer)menu );
337
338 // m_invokingWindow is set after wxFrame::SetMenuBar(). This call enables
339 // addings menu later on.
340 if (m_invokingWindow)
341 {
342 wxMenubarSetInvokingWindow( menu, m_invokingWindow );
343
344 // OPTIMISE ME: we should probably cache this, or pass it
345 // directly, but for now this is a minimal
346 // change to validate the new dynamic sizing.
347 // see (and refactor :) similar code in Remove
348 // below.
349
350 wxFrame *frame = wxDynamicCast( m_invokingWindow, wxFrame );
351
352 if( frame )
353 frame->UpdateMenuBarSize();
354 }
355
356 return true;
357}
358
359bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title)
360{
361 if ( !wxMenuBarBase::Insert(pos, menu, title) )
362 return false;
363
364 // TODO
365
366 if ( !GtkAppend(menu, title, (int)pos) )
367 return false;
368
369 return true;
370}
371
372wxMenu *wxMenuBar::Replace(size_t pos, wxMenu *menu, const wxString& title)
373{
374 // remove the old item and insert a new one
375 wxMenu *menuOld = Remove(pos);
376 if ( menuOld && !Insert(pos, menu, title) )
377 {
378 return (wxMenu*) NULL;
379 }
380
381 // either Insert() succeeded or Remove() failed and menuOld is NULL
382 return menuOld;
383}
384
385wxMenu *wxMenuBar::Remove(size_t pos)
386{
387 wxMenu *menu = wxMenuBarBase::Remove(pos);
388 if ( !menu )
389 return (wxMenu*) NULL;
390
391 gtk_menu_item_remove_submenu( GTK_MENU_ITEM(menu->m_owner) );
392 gtk_container_remove(GTK_CONTAINER(m_menubar), menu->m_owner);
393
394 gtk_widget_destroy( menu->m_owner );
395 menu->m_owner = NULL;
396
397 if (m_invokingWindow)
398 {
399 // OPTIMISE ME: see comment in GtkAppend
400 wxFrame *frame = wxDynamicCast( m_invokingWindow, wxFrame );
401
402 if( frame )
403 frame->UpdateMenuBarSize();
404 }
405
406 return menu;
407}
408
409static int FindMenuItemRecursive( const wxMenu *menu, const wxString &menuString, const wxString &itemString )
410{
411 if (wxMenuItem::GetLabelFromText(menu->GetTitle()) == wxMenuItem::GetLabelFromText(menuString))
412 {
413 int res = menu->FindItem( itemString );
414 if (res != wxNOT_FOUND)
415 return res;
416 }
417
418 wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
419 while (node)
420 {
421 wxMenuItem *item = node->GetData();
422 if (item->IsSubMenu())
423 return FindMenuItemRecursive(item->GetSubMenu(), menuString, itemString);
424
425 node = node->GetNext();
426 }
427
428 return wxNOT_FOUND;
429}
430
431int wxMenuBar::FindMenuItem( const wxString &menuString, const wxString &itemString ) const
432{
433 wxMenuList::compatibility_iterator node = m_menus.GetFirst();
434 while (node)
435 {
436 wxMenu *menu = node->GetData();
437 int res = FindMenuItemRecursive( menu, menuString, itemString);
438 if (res != -1)
439 return res;
440 node = node->GetNext();
441 }
442
443 return wxNOT_FOUND;
444}
445
446// Find a wxMenuItem using its id. Recurses down into sub-menus
447static wxMenuItem* FindMenuItemByIdRecursive(const wxMenu* menu, int id)
448{
449 wxMenuItem* result = menu->FindChildItem(id);
450
451 wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
452 while ( node && result == NULL )
453 {
454 wxMenuItem *item = node->GetData();
455 if (item->IsSubMenu())
456 {
457 result = FindMenuItemByIdRecursive( item->GetSubMenu(), id );
458 }
459 node = node->GetNext();
460 }
461
462 return result;
463}
464
465wxMenuItem* wxMenuBar::FindItem( int id, wxMenu **menuForItem ) const
466{
467 wxMenuItem* result = 0;
468 wxMenuList::compatibility_iterator node = m_menus.GetFirst();
469 while (node && result == 0)
470 {
471 wxMenu *menu = node->GetData();
472 result = FindMenuItemByIdRecursive( menu, id );
473 node = node->GetNext();
474 }
475
476 if ( menuForItem )
477 {
478 *menuForItem = result ? result->GetMenu() : (wxMenu *)NULL;
479 }
480
481 return result;
482}
483
484void wxMenuBar::EnableTop( size_t pos, bool flag )
485{
486 wxMenuList::compatibility_iterator node = m_menus.Item( pos );
487
488 wxCHECK_RET( node, wxT("menu not found") );
489
490 wxMenu* menu = node->GetData();
491
492 if (menu->m_owner)
493 gtk_widget_set_sensitive( menu->m_owner, flag );
494}
495
496wxString wxMenuBar::GetLabelTop( size_t pos ) const
497{
498 wxMenuList::compatibility_iterator node = m_menus.Item( pos );
499
500 wxCHECK_MSG( node, wxT("invalid"), wxT("menu not found") );
501
502 wxMenu* menu = node->GetData();
503
504 wxString label;
505 wxString text( menu->GetTitle() );
506 for ( const wxChar *pc = text.c_str(); *pc; pc++ )
507 {
508 if ( *pc == wxT('_') )
509 {
510 // '_' is the escape character for GTK+
511 continue;
512 }
513
514 // don't remove ampersands '&' since if we have them in the menu title
515 // it means that they were doubled to indicate "&" instead of accelerator
516
517 label += *pc;
518 }
519
520 return label;
521}
522
523void wxMenuBar::SetLabelTop( size_t pos, const wxString& label )
524{
525 wxMenuList::compatibility_iterator node = m_menus.Item( pos );
526
527 wxCHECK_RET( node, wxT("menu not found") );
528
529 wxMenu* menu = node->GetData();
530
531 const wxString str( wxReplaceUnderscore( label ) );
532
533 menu->SetTitle( str );
534
535 if (menu->m_owner)
536 {
537 GtkLabel *glabel = GTK_LABEL( GTK_BIN(menu->m_owner)->child );
538
539 /* set new text */
540 gtk_label_set( glabel, wxGTK_CONV( str ) );
541
542 /* reparse key accel */
543 (void)gtk_label_parse_uline (GTK_LABEL(glabel), wxGTK_CONV( str ) );
544 gtk_accel_label_refetch( GTK_ACCEL_LABEL(glabel) );
545 }
546
547}
548
549//-----------------------------------------------------------------------------
550// "activate"
551//-----------------------------------------------------------------------------
552
553extern "C" {
554static void gtk_menu_clicked_callback( GtkWidget *widget, wxMenu *menu )
555{
556 if (g_isIdle)
557 wxapp_install_idle_handler();
558
559 int id = menu->FindMenuIdByMenuItem(widget);
560
561 /* should find it for normal (not popup) menu */
562 wxASSERT_MSG( (id != -1) || (menu->GetInvokingWindow() != NULL),
563 _T("menu item not found in gtk_menu_clicked_callback") );
564
565 if (!menu->IsEnabled(id))
566 return;
567
568 wxMenuItem* item = menu->FindChildItem( id );
569 wxCHECK_RET( item, wxT("error in menu item callback") );
570
571 if ( item->GetId() == wxGTK_TITLE_ID )
572 {
573 // ignore events from the menu title
574 return;
575 }
576
577 if (item->IsCheckable())
578 {
579 bool isReallyChecked = item->IsChecked(),
580 isInternallyChecked = item->wxMenuItemBase::IsChecked();
581
582 // ensure that the internal state is always consistent with what is
583 // shown on the screen
584 item->wxMenuItemBase::Check(isReallyChecked);
585
586 // we must not report the events for the radio button going up nor the
587 // events resulting from the calls to wxMenuItem::Check()
588 if ( (item->GetKind() == wxITEM_RADIO && !isReallyChecked) ||
589 (isInternallyChecked == isReallyChecked) )
590 {
591 return;
592 }
593 }
594
595
596 // Is this menu on a menubar? (possibly nested)
597 wxFrame* frame = NULL;
598 if(menu->IsAttached())
599 frame = menu->GetMenuBar()->GetFrame();
600
601 // FIXME: why do we have to call wxFrame::GetEventHandler() directly here?
602 // normally wxMenu::SendEvent() should be enough, if it doesn't work
603 // in wxGTK then we have a bug in wxMenu::GetInvokingWindow() which
604 // should be fixed instead of working around it here...
605 if (frame)
606 {
607 // If it is attached then let the frame send the event.
608 // Don't call frame->ProcessCommand(id) because it toggles
609 // checkable items and we've already done that above.
610 wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, id);
611 commandEvent.SetEventObject(frame);
612 if (item->IsCheckable())
613 commandEvent.SetInt(item->IsChecked());
614 commandEvent.SetEventObject(menu);
615
616 frame->GetEventHandler()->ProcessEvent(commandEvent);
617 }
618 else
619 {
620 // otherwise let the menu have it
621 menu->SendEvent(id, item->IsCheckable() ? item->IsChecked() : -1);
622 }
623}
624}
625
626//-----------------------------------------------------------------------------
627// "select"
628//-----------------------------------------------------------------------------
629
630extern "C" {
631static void gtk_menu_hilight_callback( GtkWidget *widget, wxMenu *menu )
632{
633 if (g_isIdle) wxapp_install_idle_handler();
634
635 int id = menu->FindMenuIdByMenuItem(widget);
636
637 wxASSERT( id != -1 ); // should find it!
638
639 if (!menu->IsEnabled(id))
640 return;
641
642 wxMenuEvent event( wxEVT_MENU_HIGHLIGHT, id );
643 event.SetEventObject( menu );
644
645 wxEvtHandler* handler = menu->GetEventHandler();
646 if (handler && handler->ProcessEvent(event))
647 return;
648
649 wxWindow *win = menu->GetInvokingWindow();
650 if (win) win->GetEventHandler()->ProcessEvent( event );
651}
652}
653
654//-----------------------------------------------------------------------------
655// "deselect"
656//-----------------------------------------------------------------------------
657
658extern "C" {
659static void gtk_menu_nolight_callback( GtkWidget *widget, wxMenu *menu )
660{
661 if (g_isIdle) wxapp_install_idle_handler();
662
663 int id = menu->FindMenuIdByMenuItem(widget);
664
665 wxASSERT( id != -1 ); // should find it!
666
667 if (!menu->IsEnabled(id))
668 return;
669
670 wxMenuEvent event( wxEVT_MENU_HIGHLIGHT, -1 );
671 event.SetEventObject( menu );
672
673 wxEvtHandler* handler = menu->GetEventHandler();
674 if (handler && handler->ProcessEvent(event))
675 return;
676
677 wxWindow *win = menu->GetInvokingWindow();
678 if (win)
679 win->GetEventHandler()->ProcessEvent( event );
680}
681}
682
683//-----------------------------------------------------------------------------
684// wxMenuItem
685//-----------------------------------------------------------------------------
686
687IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject)
688
689wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu,
690 int id,
691 const wxString& name,
692 const wxString& help,
693 wxItemKind kind,
694 wxMenu *subMenu)
695{
696 return new wxMenuItem(parentMenu, id, name, help, kind, subMenu);
697}
698
699wxMenuItem::wxMenuItem(wxMenu *parentMenu,
700 int id,
701 const wxString& text,
702 const wxString& help,
703 wxItemKind kind,
704 wxMenu *subMenu)
705 : wxMenuItemBase(parentMenu, id, text, help, kind, subMenu)
706{
707 Init(text);
708}
709
710wxMenuItem::wxMenuItem(wxMenu *parentMenu,
711 int id,
712 const wxString& text,
713 const wxString& help,
714 bool isCheckable,
715 wxMenu *subMenu)
716 : wxMenuItemBase(parentMenu, id, text, help,
717 isCheckable ? wxITEM_CHECK : wxITEM_NORMAL, subMenu)
718{
719 Init(text);
720}
721
722void wxMenuItem::Init(const wxString& text)
723{
724 m_labelWidget = (GtkWidget *) NULL;
725 m_menuItem = (GtkWidget *) NULL;
726
727 DoSetText(text);
728}
729
730wxMenuItem::~wxMenuItem()
731{
732 // don't delete menu items, the menus take care of that
733}
734
735// return the menu item text without any menu accels
736/* static */
737wxString wxMenuItemBase::GetLabelFromText(const wxString& text)
738{
739 wxString label;
740
741 for ( const wxChar *pc = text.c_str(); *pc; pc++ )
742 {
743 if ( *pc == wxT('\t'))
744 break;
745
746 if ( *pc == wxT('_') )
747 {
748 // GTK 1.2 escapes "xxx_xxx" to "xxx__xxx"
749 pc++;
750 label += *pc;
751 continue;
752 }
753
754 if ( (*pc == wxT('&')) && (*(pc+1) != wxT('&')) )
755 {
756 // wxMSW escapes "&"
757 // "&" is doubled to indicate "&" instead of accelerator
758 continue;
759 }
760
761 label += *pc;
762 }
763
764 // wxPrintf( wxT("GetLabelFromText(): text %s label %s\n"), text.c_str(), label.c_str() );
765
766 return label;
767}
768
769void wxMenuItem::SetText( const wxString& string )
770{
771 wxString str = string;
772 if ( str.empty() && !IsSeparator() )
773 {
774 wxASSERT_MSG(wxIsStockID(GetId()), wxT("A non-stock menu item with an empty label?"));
775 str = wxGetStockLabel(GetId(), wxSTOCK_WITH_ACCELERATOR |
776 wxSTOCK_WITH_MNEMONIC);
777 }
778
779 // Some optimization to avoid flicker
780 wxString oldLabel = m_text;
781 oldLabel = wxStripMenuCodes(oldLabel);
782 oldLabel.Replace(wxT("_"), wxEmptyString);
783 wxString label1 = wxStripMenuCodes(str);
784 wxString oldhotkey = GetHotKey(); // Store the old hotkey in Ctrl-foo format
785 wxCharBuffer oldbuf = wxGTK_CONV( GetGtkHotKey(*this) ); // and as <control>foo
786
787 DoSetText(str);
788
789 if (oldLabel == label1 &&
790 oldhotkey == GetHotKey()) // Make sure we can change a hotkey even if the label is unaltered
791 return;
792
793 if (m_menuItem)
794 {
795 GtkLabel *label;
796 if (m_labelWidget)
797 label = (GtkLabel*) m_labelWidget;
798 else
799 label = GTK_LABEL( GTK_BIN(m_menuItem)->child );
800
801 // set new text
802 gtk_label_set( label, wxGTK_CONV( m_text ) );
803
804 // reparse key accel
805 (void)gtk_label_parse_uline (GTK_LABEL(label), wxGTK_CONV(m_text) );
806 gtk_accel_label_refetch( GTK_ACCEL_LABEL(label) );
807 }
808
809 guint accel_key;
810 GdkModifierType accel_mods;
811 gtk_accelerator_parse( (const char*) oldbuf, &accel_key, &accel_mods);
812 if (accel_key != 0)
813 {
814 gtk_widget_remove_accelerator( GTK_WIDGET(m_menuItem),
815 m_parentMenu->m_accel,
816 accel_key,
817 accel_mods );
818 }
819
820 wxCharBuffer buf = wxGTK_CONV( GetGtkHotKey(*this) );
821 gtk_accelerator_parse( (const char*) buf, &accel_key, &accel_mods);
822 if (accel_key != 0)
823 {
824 gtk_widget_add_accelerator( GTK_WIDGET(m_menuItem),
825 "activate",
826 m_parentMenu->m_accel,
827 accel_key,
828 accel_mods,
829 GTK_ACCEL_VISIBLE);
830 }
831}
832
833// it's valid for this function to be called even if m_menuItem == NULL
834void wxMenuItem::DoSetText( const wxString& str )
835{
836 // '\t' is the deliminator indicating a hot key
837 m_text.Empty();
838 const wxChar *pc = str;
839 while ( (*pc != wxT('\0')) && (*pc != wxT('\t')) )
840 {
841 if ((*pc == wxT('&')) && (*(pc+1) == wxT('&')))
842 {
843 // "&" is doubled to indicate "&" instead of accelerator
844 ++pc;
845 m_text << wxT('&');
846 }
847 else if (*pc == wxT('&'))
848 {
849 m_text << wxT('_');
850 }
851 else if ( *pc == wxT('_') ) // escape underscores
852 {
853 m_text << wxT("__");
854 }
855 else
856 {
857 m_text << *pc;
858 }
859 ++pc;
860 }
861
862 m_hotKey = wxEmptyString;
863
864 if(*pc == wxT('\t'))
865 {
866 pc++;
867 m_hotKey = pc;
868 }
869}
870
871#if wxUSE_ACCEL
872
873wxAcceleratorEntry *wxMenuItem::GetAccel() const
874{
875 if ( !GetHotKey() )
876 {
877 // nothing
878 return (wxAcceleratorEntry *)NULL;
879 }
880
881 // accelerator parsing code looks for them after a TAB, so insert a dummy
882 // one here
883 wxString label;
884 label << wxT('\t') << GetHotKey();
885
886 return wxAcceleratorEntry::Create(label);
887}
888
889#endif // wxUSE_ACCEL
890
891void wxMenuItem::Check( bool check )
892{
893 wxCHECK_RET( m_menuItem, wxT("invalid menu item") );
894
895 if (check == m_isChecked)
896 return;
897
898 wxMenuItemBase::Check( check );
899
900 switch ( GetKind() )
901 {
902 case wxITEM_CHECK:
903 case wxITEM_RADIO:
904 gtk_check_menu_item_set_state( (GtkCheckMenuItem*)m_menuItem, (gint)check );
905 break;
906
907 default:
908 wxFAIL_MSG( _T("can't check this item") );
909 }
910}
911
912void wxMenuItem::Enable( bool enable )
913{
914 wxCHECK_RET( m_menuItem, wxT("invalid menu item") );
915
916 gtk_widget_set_sensitive( m_menuItem, enable );
917 wxMenuItemBase::Enable( enable );
918}
919
920bool wxMenuItem::IsChecked() const
921{
922 wxCHECK_MSG( m_menuItem, false, wxT("invalid menu item") );
923
924 wxCHECK_MSG( IsCheckable(), false,
925 wxT("can't get state of uncheckable item!") );
926
927 return ((GtkCheckMenuItem*)m_menuItem)->active != 0;
928}
929
930//-----------------------------------------------------------------------------
931// wxMenu
932//-----------------------------------------------------------------------------
933
934IMPLEMENT_DYNAMIC_CLASS(wxMenu,wxEvtHandler)
935
936void wxMenu::Init()
937{
938 m_accel = gtk_accel_group_new();
939 m_menu = gtk_menu_new();
940 // NB: keep reference to the menu so that it is not destroyed behind
941 // our back by GTK+ e.g. when it is removed from menubar:
942 gtk_widget_ref(m_menu);
943
944 m_owner = (GtkWidget*) NULL;
945
946 // Tearoffs are entries, just like separators. So if we want this
947 // menu to be a tear-off one, we just append a tearoff entry
948 // immediately.
949 if ( m_style & wxMENU_TEAROFF )
950 {
951 GtkWidget *tearoff = gtk_tearoff_menu_item_new();
952
953 gtk_menu_append(GTK_MENU(m_menu), tearoff);
954 }
955
956 m_prevRadio = NULL;
957
958 // append the title as the very first entry if we have it
959 if ( !m_title.empty() )
960 {
961 Append(wxGTK_TITLE_ID, m_title);
962 AppendSeparator();
963 }
964}
965
966wxMenu::~wxMenu()
967{
968 WX_CLEAR_LIST(wxMenuItemList, m_items);
969
970 if ( GTK_IS_WIDGET( m_menu ))
971 {
972 // see wxMenu::Init
973 gtk_widget_unref( m_menu );
974 // if the menu is inserted in another menu at this time, there was
975 // one more reference to it:
976 if ( m_owner )
977 gtk_widget_destroy( m_menu );
978 }
979}
980
981bool wxMenu::GtkAppend(wxMenuItem *mitem, int pos)
982{
983 GtkWidget *menuItem;
984
985 wxString text;
986 GtkLabel* label = NULL;
987
988 if ( mitem->IsSeparator() )
989 {
990 // TODO
991 menuItem = gtk_menu_item_new();
992 }
993 else if (mitem->GetBitmap().Ok())
994 {
995 text = mitem->GetText();
996 const wxBitmap *bitmap = &mitem->GetBitmap();
997
998 // TODO
999 wxUnusedVar(bitmap);
1000 menuItem = gtk_menu_item_new_with_label( wxGTK_CONV( text ) );
1001 label = GTK_LABEL( GTK_BIN(menuItem)->child );
1002
1003 m_prevRadio = NULL;
1004 }
1005 else // a normal item
1006 {
1007 // text has "_" instead of "&" after mitem->SetText() so don't use it
1008 text = mitem->GetText() ;
1009
1010 switch ( mitem->GetKind() )
1011 {
1012 case wxITEM_CHECK:
1013 {
1014 menuItem = gtk_check_menu_item_new_with_label( wxGTK_CONV( text ) );
1015 label = GTK_LABEL( GTK_BIN(menuItem)->child );
1016 // set new text
1017 gtk_label_set_text( label, wxGTK_CONV( text ) );
1018 m_prevRadio = NULL;
1019 break;
1020 }
1021
1022 case wxITEM_RADIO:
1023 {
1024 GSList *group = NULL;
1025 if ( m_prevRadio == NULL )
1026 {
1027 // start of a new radio group
1028 m_prevRadio = menuItem = gtk_radio_menu_item_new_with_label( group, wxGTK_CONV( text ) );
1029 label = GTK_LABEL( GTK_BIN(menuItem)->child );
1030 // set new text
1031 gtk_label_set_text( label, wxGTK_CONV( text ) );
1032 }
1033 else // continue the radio group
1034 {
1035 group = gtk_radio_menu_item_group (GTK_RADIO_MENU_ITEM (m_prevRadio));
1036 m_prevRadio = menuItem = gtk_radio_menu_item_new_with_label( group, wxGTK_CONV( text ) );
1037 label = GTK_LABEL( GTK_BIN(menuItem)->child );
1038 }
1039 break;
1040 }
1041
1042 default:
1043 wxFAIL_MSG( _T("unexpected menu item kind") );
1044 // fall through
1045
1046 case wxITEM_NORMAL:
1047 {
1048 menuItem = gtk_menu_item_new_with_label( wxGTK_CONV( text ) );
1049 label = GTK_LABEL( GTK_BIN(menuItem)->child );
1050 m_prevRadio = NULL;
1051 break;
1052 }
1053 }
1054
1055 }
1056
1057 guint accel_key;
1058 GdkModifierType accel_mods;
1059 wxCharBuffer buf = wxGTK_CONV( GetGtkHotKey(*mitem) );
1060
1061 // wxPrintf( wxT("item: %s hotkey %s\n"), mitem->GetText().c_str(), GetGtkHotKey(*mitem).c_str() );
1062 gtk_accelerator_parse( (const char*) buf, &accel_key, &accel_mods);
1063 if (accel_key != 0)
1064 {
1065 gtk_widget_add_accelerator (GTK_WIDGET(menuItem),
1066 "activate",
1067 m_accel,
1068 accel_key,
1069 accel_mods,
1070 GTK_ACCEL_VISIBLE);
1071 }
1072
1073 if (pos == -1)
1074 gtk_menu_shell_append(GTK_MENU_SHELL(m_menu), menuItem);
1075 else
1076 gtk_menu_shell_insert(GTK_MENU_SHELL(m_menu), menuItem, pos);
1077
1078 gtk_widget_show( menuItem );
1079
1080 if ( !mitem->IsSeparator() )
1081 {
1082 wxASSERT_MSG( menuItem, wxT("invalid menuitem") );
1083
1084 gtk_signal_connect( GTK_OBJECT(menuItem), "select",
1085 GTK_SIGNAL_FUNC(gtk_menu_hilight_callback),
1086 (gpointer)this );
1087
1088 gtk_signal_connect( GTK_OBJECT(menuItem), "deselect",
1089 GTK_SIGNAL_FUNC(gtk_menu_nolight_callback),
1090 (gpointer)this );
1091
1092 if ( mitem->IsSubMenu() && mitem->GetKind() != wxITEM_RADIO && mitem->GetKind() != wxITEM_CHECK )
1093 {
1094 gtk_menu_item_set_submenu( GTK_MENU_ITEM(menuItem), mitem->GetSubMenu()->m_menu );
1095
1096 gtk_widget_show( mitem->GetSubMenu()->m_menu );
1097
1098 // if adding a submenu to a menu already existing in the menu bar, we
1099 // must set invoking window to allow processing events from this
1100 // submenu
1101 if ( m_invokingWindow )
1102 wxMenubarSetInvokingWindow(mitem->GetSubMenu(), m_invokingWindow);
1103 }
1104 else
1105 {
1106 gtk_signal_connect( GTK_OBJECT(menuItem), "activate",
1107 GTK_SIGNAL_FUNC(gtk_menu_clicked_callback),
1108 (gpointer)this );
1109 }
1110
1111 guint accel_key = gtk_label_parse_uline (GTK_LABEL(label), wxGTK_CONV( text ) );
1112 if (accel_key != GDK_VoidSymbol)
1113 {
1114 gtk_widget_add_accelerator (menuItem,
1115 "activate_item",
1116 gtk_menu_ensure_uline_accel_group(GTK_MENU(m_menu)),
1117 accel_key,
1118 GDK_MOD1_MASK,
1119 GTK_ACCEL_LOCKED);
1120 }
1121 }
1122
1123 mitem->SetMenuItem(menuItem);
1124
1125 if (ms_locked)
1126 {
1127 // This doesn't even exist!
1128 // gtk_widget_lock_accelerators(mitem->GetMenuItem());
1129 }
1130
1131 return true;
1132}
1133
1134wxMenuItem* wxMenu::DoAppend(wxMenuItem *mitem)
1135{
1136 if (!GtkAppend(mitem))
1137 return NULL;
1138
1139 return wxMenuBase::DoAppend(mitem);
1140}
1141
1142wxMenuItem* wxMenu::DoInsert(size_t pos, wxMenuItem *item)
1143{
1144 if ( !wxMenuBase::DoInsert(pos, item) )
1145 return NULL;
1146
1147 // TODO
1148 if ( !GtkAppend(item, (int)pos) )
1149 return NULL;
1150
1151 return item;
1152}
1153
1154wxMenuItem *wxMenu::DoRemove(wxMenuItem *item)
1155{
1156 if ( !wxMenuBase::DoRemove(item) )
1157 return (wxMenuItem *)NULL;
1158
1159 // TODO: this code doesn't delete the item factory item and this seems
1160 // impossible as of GTK 1.2.6.
1161 gtk_widget_destroy( item->GetMenuItem() );
1162
1163 return item;
1164}
1165
1166int wxMenu::FindMenuIdByMenuItem( GtkWidget *menuItem ) const
1167{
1168 wxMenuItemList::compatibility_iterator node = m_items.GetFirst();
1169 while (node)
1170 {
1171 wxMenuItem *item = node->GetData();
1172 if (item->GetMenuItem() == menuItem)
1173 return item->GetId();
1174 node = node->GetNext();
1175 }
1176
1177 return wxNOT_FOUND;
1178}
1179
1180// ----------------------------------------------------------------------------
1181// helpers
1182// ----------------------------------------------------------------------------
1183
1184#if wxUSE_ACCEL
1185
1186static wxString GetGtkHotKey( const wxMenuItem& item )
1187{
1188 wxString hotkey;
1189
1190 wxAcceleratorEntry *accel = item.GetAccel();
1191 if ( accel )
1192 {
1193 int flags = accel->GetFlags();
1194 if ( flags & wxACCEL_ALT )
1195 hotkey += wxT("<alt>");
1196 if ( flags & wxACCEL_CTRL )
1197 hotkey += wxT("<control>");
1198 if ( flags & wxACCEL_SHIFT )
1199 hotkey += wxT("<shift>");
1200
1201 int code = accel->GetKeyCode();
1202 switch ( code )
1203 {
1204 case WXK_F1:
1205 case WXK_F2:
1206 case WXK_F3:
1207 case WXK_F4:
1208 case WXK_F5:
1209 case WXK_F6:
1210 case WXK_F7:
1211 case WXK_F8:
1212 case WXK_F9:
1213 case WXK_F10:
1214 case WXK_F11:
1215 case WXK_F12:
1216 case WXK_F13:
1217 case WXK_F14:
1218 case WXK_F15:
1219 case WXK_F16:
1220 case WXK_F17:
1221 case WXK_F18:
1222 case WXK_F19:
1223 case WXK_F20:
1224 case WXK_F21:
1225 case WXK_F22:
1226 case WXK_F23:
1227 case WXK_F24:
1228 hotkey += wxString::Format(wxT("F%d"), code - WXK_F1 + 1);
1229 break;
1230
1231 // TODO: we should use gdk_keyval_name() (a.k.a.
1232 // XKeysymToString) here as well as hardcoding the keysym
1233 // names this might be not portable
1234 case WXK_INSERT:
1235 hotkey << wxT("Insert" );
1236 break;
1237 case WXK_DELETE:
1238 hotkey << wxT("Delete" );
1239 break;
1240 case WXK_UP:
1241 hotkey << wxT("Up" );
1242 break;
1243 case WXK_DOWN:
1244 hotkey << wxT("Down" );
1245 break;
1246 case WXK_PAGEUP:
1247 hotkey << wxT("PgUp" );
1248 break;
1249 case WXK_PAGEDOWN:
1250 hotkey << wxT("PgDn" );
1251 break;
1252 case WXK_LEFT:
1253 hotkey << wxT("Left" );
1254 break;
1255 case WXK_RIGHT:
1256 hotkey << wxT("Right" );
1257 break;
1258 case WXK_HOME:
1259 hotkey << wxT("Home" );
1260 break;
1261 case WXK_END:
1262 hotkey << wxT("End" );
1263 break;
1264 case WXK_RETURN:
1265 hotkey << wxT("Return" );
1266 break;
1267 case WXK_BACK:
1268 hotkey << wxT("BackSpace" );
1269 break;
1270 case WXK_TAB:
1271 hotkey << wxT("Tab" );
1272 break;
1273 case WXK_ESCAPE:
1274 hotkey << wxT("Esc" );
1275 break;
1276 case WXK_SPACE:
1277 hotkey << wxT("space" );
1278 break;
1279 case WXK_MULTIPLY:
1280 hotkey << wxT("Multiply" );
1281 break;
1282 case WXK_ADD:
1283 hotkey << wxT("Add" );
1284 break;
1285 case WXK_SEPARATOR:
1286 hotkey << wxT("Separator" );
1287 break;
1288 case WXK_SUBTRACT:
1289 hotkey << wxT("Subtract" );
1290 break;
1291 case WXK_DECIMAL:
1292 hotkey << wxT("Decimal" );
1293 break;
1294 case WXK_DIVIDE:
1295 hotkey << wxT("Divide" );
1296 break;
1297 case WXK_CANCEL:
1298 hotkey << wxT("Cancel" );
1299 break;
1300 case WXK_CLEAR:
1301 hotkey << wxT("Clear" );
1302 break;
1303 case WXK_MENU:
1304 hotkey << wxT("Menu" );
1305 break;
1306 case WXK_PAUSE:
1307 hotkey << wxT("Pause" );
1308 break;
1309 case WXK_CAPITAL:
1310 hotkey << wxT("Capital" );
1311 break;
1312 case WXK_SELECT:
1313 hotkey << wxT("Select" );
1314 break;
1315 case WXK_PRINT:
1316 hotkey << wxT("Print" );
1317 break;
1318 case WXK_EXECUTE:
1319 hotkey << wxT("Execute" );
1320 break;
1321 case WXK_SNAPSHOT:
1322 hotkey << wxT("Snapshot" );
1323 break;
1324 case WXK_HELP:
1325 hotkey << wxT("Help" );
1326 break;
1327 case WXK_NUMLOCK:
1328 hotkey << wxT("Num_Lock" );
1329 break;
1330 case WXK_SCROLL:
1331 hotkey << wxT("Scroll_Lock" );
1332 break;
1333 case WXK_NUMPAD_INSERT:
1334 hotkey << wxT("KP_Insert" );
1335 break;
1336 case WXK_NUMPAD_DELETE:
1337 hotkey << wxT("KP_Delete" );
1338 break;
1339 case WXK_NUMPAD_SPACE:
1340 hotkey << wxT("KP_Space" );
1341 break;
1342 case WXK_NUMPAD_TAB:
1343 hotkey << wxT("KP_Tab" );
1344 break;
1345 case WXK_NUMPAD_ENTER:
1346 hotkey << wxT("KP_Enter" );
1347 break;
1348 case WXK_NUMPAD_F1: case WXK_NUMPAD_F2: case WXK_NUMPAD_F3:
1349 case WXK_NUMPAD_F4:
1350 hotkey += wxString::Format(wxT("KP_F%d"), code - WXK_NUMPAD_F1 + 1);
1351 break;
1352 case WXK_NUMPAD_HOME:
1353 hotkey << wxT("KP_Home" );
1354 break;
1355 case WXK_NUMPAD_LEFT:
1356 hotkey << wxT("KP_Left" );
1357 break;
1358 case WXK_NUMPAD_UP:
1359 hotkey << wxT("KP_Up" );
1360 break;
1361 case WXK_NUMPAD_RIGHT:
1362 hotkey << wxT("KP_Right" );
1363 break;
1364 case WXK_NUMPAD_DOWN:
1365 hotkey << wxT("KP_Down" );
1366 break;
1367 case WXK_NUMPAD_PAGEUP:
1368 hotkey << wxT("KP_PgUp" );
1369 break;
1370 case WXK_NUMPAD_PAGEDOWN:
1371 hotkey << wxT("KP_PgDn" );
1372 break;
1373 case WXK_NUMPAD_END:
1374 hotkey << wxT("KP_End" );
1375 break;
1376 case WXK_NUMPAD_BEGIN:
1377 hotkey << wxT("KP_Begin" );
1378 break;
1379 case WXK_NUMPAD_EQUAL:
1380 hotkey << wxT("KP_Equal" );
1381 break;
1382 case WXK_NUMPAD_MULTIPLY:
1383 hotkey << wxT("KP_Multiply" );
1384 break;
1385 case WXK_NUMPAD_ADD:
1386 hotkey << wxT("KP_Add" );
1387 break;
1388 case WXK_NUMPAD_SEPARATOR:
1389 hotkey << wxT("KP_Separator" );
1390 break;
1391 case WXK_NUMPAD_SUBTRACT:
1392 hotkey << wxT("KP_Subtract" );
1393 break;
1394 case WXK_NUMPAD_DECIMAL:
1395 hotkey << wxT("KP_Decimal" );
1396 break;
1397 case WXK_NUMPAD_DIVIDE:
1398 hotkey << wxT("KP_Divide" );
1399 break;
1400 case WXK_NUMPAD0: case WXK_NUMPAD1: case WXK_NUMPAD2:
1401 case WXK_NUMPAD3: case WXK_NUMPAD4: case WXK_NUMPAD5:
1402 case WXK_NUMPAD6: case WXK_NUMPAD7: case WXK_NUMPAD8: case WXK_NUMPAD9:
1403 hotkey += wxString::Format(wxT("KP_%d"), code - WXK_NUMPAD0);
1404 break;
1405 case WXK_WINDOWS_LEFT:
1406 hotkey << wxT("Super_L" );
1407 break;
1408 case WXK_WINDOWS_RIGHT:
1409 hotkey << wxT("Super_R" );
1410 break;
1411 case WXK_WINDOWS_MENU:
1412 hotkey << wxT("Menu" );
1413 break;
1414 case WXK_COMMAND:
1415 hotkey << wxT("Command" );
1416 break;
1417 /* These probably wouldn't work as there is no SpecialX in gdk/keynames.txt
1418 case WXK_SPECIAL1: case WXK_SPECIAL2: case WXK_SPECIAL3: case WXK_SPECIAL4:
1419 case WXK_SPECIAL5: case WXK_SPECIAL6: case WXK_SPECIAL7: case WXK_SPECIAL8:
1420 case WXK_SPECIAL9: case WXK_SPECIAL10: case WXK_SPECIAL11: case WXK_SPECIAL12:
1421 case WXK_SPECIAL13: case WXK_SPECIAL14: case WXK_SPECIAL15: case WXK_SPECIAL16:
1422 case WXK_SPECIAL17: case WXK_SPECIAL18: case WXK_SPECIAL19: case WXK_SPECIAL20:
1423 hotkey += wxString::Format(wxT("Special%d"), code - WXK_SPECIAL1 + 1);
1424 break;
1425 */
1426 // if there are any other keys wxAcceleratorEntry::Create() may
1427 // return, we should process them here
1428
1429 default:
1430 if ( code < 127 )
1431 {
1432 wxString name = wxGTK_CONV_BACK( gdk_keyval_name((guint)code) );
1433 if ( name )
1434 {
1435 hotkey << name;
1436 break;
1437 }
1438 }
1439
1440 wxFAIL_MSG( wxT("unknown keyboard accel") );
1441 }
1442
1443 delete accel;
1444 }
1445
1446 return hotkey;
1447}
1448
1449#endif // wxUSE_ACCEL
1450
1451// ----------------------------------------------------------------------------
1452// Pop-up menu stuff
1453// ----------------------------------------------------------------------------
1454
1455#if wxUSE_MENUS_NATIVE
1456
1457extern "C" WXDLLIMPEXP_CORE
1458void gtk_pop_hide_callback( GtkWidget *WXUNUSED(widget), bool* is_waiting )
1459{
1460 *is_waiting = false;
1461}
1462
1463WXDLLIMPEXP_CORE void SetInvokingWindow( wxMenu *menu, wxWindow* win )
1464{
1465 menu->SetInvokingWindow( win );
1466
1467 wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
1468 while (node)
1469 {
1470 wxMenuItem *menuitem = node->GetData();
1471 if (menuitem->IsSubMenu())
1472 {
1473 SetInvokingWindow( menuitem->GetSubMenu(), win );
1474 }
1475
1476 node = node->GetNext();
1477 }
1478}
1479
1480extern "C" WXDLLIMPEXP_CORE
1481void wxPopupMenuPositionCallback( GtkMenu *menu,
1482 gint *x, gint *y,
1483 gpointer user_data )
1484{
1485 // ensure that the menu appears entirely on screen
1486 GtkRequisition req;
1487 gtk_widget_get_child_requisition(GTK_WIDGET(menu), &req);
1488
1489 wxSize sizeScreen = wxGetDisplaySize();
1490 wxPoint *pos = (wxPoint*)user_data;
1491
1492 gint xmax = sizeScreen.x - req.width,
1493 ymax = sizeScreen.y - req.height;
1494
1495 *x = pos->x < xmax ? pos->x : xmax;
1496 *y = pos->y < ymax ? pos->y : ymax;
1497}
1498
1499bool wxWindowGTK::DoPopupMenu( wxMenu *menu, int x, int y )
1500{
1501 wxCHECK_MSG( m_widget != NULL, false, wxT("invalid window") );
1502
1503 wxCHECK_MSG( menu != NULL, false, wxT("invalid popup-menu") );
1504
1505 // NOTE: if you change this code, you need to update
1506 // the same code in taskbar.cpp as well. This
1507 // is ugly code duplication, I know.
1508
1509 SetInvokingWindow( menu, this );
1510
1511 menu->UpdateUI();
1512
1513 bool is_waiting = true;
1514
1515 gulong handler = gtk_signal_connect( GTK_OBJECT(menu->m_menu),
1516 "hide",
1517 GTK_SIGNAL_FUNC(gtk_pop_hide_callback),
1518 (gpointer)&is_waiting );
1519
1520 wxPoint pos;
1521 gpointer userdata;
1522 GtkMenuPositionFunc posfunc;
1523 if ( x == -1 && y == -1 )
1524 {
1525 // use GTK's default positioning algorithm
1526 userdata = NULL;
1527 posfunc = NULL;
1528 }
1529 else
1530 {
1531 pos = ClientToScreen(wxPoint(x, y));
1532 userdata = &pos;
1533 posfunc = wxPopupMenuPositionCallback;
1534 }
1535
1536 wxMenuEvent eventOpen(wxEVT_MENU_OPEN, -1, menu);
1537 DoCommonMenuCallbackCode(menu, eventOpen);
1538
1539 gtk_menu_popup(
1540 GTK_MENU(menu->m_menu),
1541 (GtkWidget *) NULL, // parent menu shell
1542 (GtkWidget *) NULL, // parent menu item
1543 posfunc, // function to position it
1544 userdata, // client data
1545 0, // button used to activate it
1546 wxGtkTimeLastClick // the time of activation
1547 );
1548
1549 while (is_waiting)
1550 {
1551 gtk_main_iteration();
1552 }
1553
1554 gtk_signal_disconnect(GTK_OBJECT(menu->m_menu), handler);
1555
1556 wxMenuEvent eventClose(wxEVT_MENU_CLOSE, -1, menu);
1557 DoCommonMenuCallbackCode(menu, eventClose);
1558
1559 return true;
1560}
1561
1562#endif // wxUSE_MENUS_NATIVE
wxWidgets (Impactor)