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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
94static wxString wxConvertFromGTKToWXLabel(const wxString& gtkLabel)
95{
96 wxString label;
97 for ( const wxChar *pc = gtkLabel.c_str(); *pc; pc++ )
98 {
99 // '_' is the escape character for GTK+.
100
101 if ( *pc == wxT('_') && *(pc+1) == wxT('_'))
102 {
103 // An underscore was escaped.
104 label += wxT('_');
105 pc++;
106 }
107 else if ( *pc == wxT('_') )
108 {
109 // Convert GTK+ hotkey symbol to wxWidgets/Windows standard
110 label += wxT('&');
111 }
112 else if ( *pc == wxT('&') )
113 {
114 // Double the ampersand to escape it as far as wxWidgets is concerned
115 label += wxT("&&");
116 }
117 else
118 {
119 // don't remove ampersands '&' since if we have them in the menu title
120 // it means that they were doubled to indicate "&" instead of accelerator
121 label += *pc;
122 }
123 }
124
125 return label;
126}
127
128
129//-----------------------------------------------------------------------------
130// activate message from GTK
131//-----------------------------------------------------------------------------
132
133static void DoCommonMenuCallbackCode(wxMenu *menu, wxMenuEvent& event)
134{
135 if (g_isIdle)
136 wxapp_install_idle_handler();
137
138 event.SetEventObject( menu );
139
140 wxEvtHandler* handler = menu->GetEventHandler();
141 if (handler && handler->ProcessEvent(event))
142 return;
143
144 wxWindow *win = menu->GetInvokingWindow();
145 if (win)
146 win->HandleWindowEvent( event );
147}
148
149extern "C" {
150
151static void gtk_menu_open_callback( GtkWidget *WXUNUSED(widget), wxMenu *menu )
152{
153 wxMenuEvent event(wxEVT_MENU_OPEN, -1, menu);
154
155 DoCommonMenuCallbackCode(menu, event);
156}
157
158static void gtk_menu_close_callback( GtkWidget *WXUNUSED(widget), wxMenuBar *menubar )
159{
160 if ( !menubar->GetMenuCount() )
161 {
162 // if menubar is empty we can't call GetMenu(0) below
163 return;
164 }
165
166 wxMenuEvent event( wxEVT_MENU_CLOSE, -1, NULL );
167
168 DoCommonMenuCallbackCode(menubar->GetMenu(0), event);
169}
170
171}
172
173//-----------------------------------------------------------------------------
174// wxMenuBar
175//-----------------------------------------------------------------------------
176
177IMPLEMENT_DYNAMIC_CLASS(wxMenuBar,wxWindow)
178
179void wxMenuBar::Init(size_t n, wxMenu *menus[], const wxString titles[], long style)
180{
181 // the parent window is known after wxFrame::SetMenu()
182 m_needParent = false;
183 m_style = style;
184 m_invokingWindow = (wxWindow*) NULL;
185
186 if (!PreCreation( (wxWindow*) NULL, wxDefaultPosition, wxDefaultSize ) ||
187 !CreateBase( (wxWindow*) NULL, -1, wxDefaultPosition, wxDefaultSize, style, wxDefaultValidator, wxT("menubar") ))
188 {
189 wxFAIL_MSG( wxT("wxMenuBar creation failed") );
190 return;
191 }
192
193 m_menubar = gtk_menu_bar_new();
194 m_accel = gtk_accel_group_new();
195
196 if (style & wxMB_DOCKABLE)
197 {
198 m_widget = gtk_handle_box_new();
199 gtk_container_add( GTK_CONTAINER(m_widget), GTK_WIDGET(m_menubar) );
200 gtk_widget_show( GTK_WIDGET(m_menubar) );
201 }
202 else
203 {
204 m_widget = GTK_WIDGET(m_menubar);
205 }
206
207 PostCreation();
208
209 ApplyWidgetStyle();
210
211 for (size_t i = 0; i < n; ++i )
212 Append(menus[i], titles[i]);
213
214 // VZ: for some reason connecting to menus "deactivate" doesn't work (we
215 // don't get it when the menu is dismissed by clicking outside the
216 // toolbar) so we connect to the global one, even if it means that we
217 // can't pass the menu which was closed in wxMenuEvent object
218 gtk_signal_connect( GTK_OBJECT(GTK_MENU_SHELL(m_menubar)),
219 "deactivate",
220 GTK_SIGNAL_FUNC(gtk_menu_close_callback),
221 (gpointer)this );
222
223}
224
225wxMenuBar::wxMenuBar(size_t n, wxMenu *menus[], const wxString titles[], long style)
226{
227 Init(n, menus, titles, style);
228}
229
230wxMenuBar::wxMenuBar(long style)
231{
232 Init(0, NULL, NULL, style);
233}
234
235wxMenuBar::wxMenuBar()
236{
237 Init(0, NULL, NULL, 0);
238}
239
240wxMenuBar::~wxMenuBar()
241{
242}
243
244static void wxMenubarUnsetInvokingWindow( wxMenu *menu, wxWindow *win )
245{
246 menu->SetInvokingWindow( (wxWindow*) NULL );
247
248 wxWindow *top_frame = win;
249 while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
250 top_frame = top_frame->GetParent();
251
252 // support for native hot keys
253 gtk_accel_group_detach( menu->m_accel, ACCEL_OBJ_CAST(top_frame->m_widget) );
254
255 wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
256 while (node)
257 {
258 wxMenuItem *menuitem = node->GetData();
259 if (menuitem->IsSubMenu())
260 wxMenubarUnsetInvokingWindow( menuitem->GetSubMenu(), win );
261 node = node->GetNext();
262 }
263}
264
265static void wxMenubarSetInvokingWindow( wxMenu *menu, wxWindow *win )
266{
267 menu->SetInvokingWindow( win );
268
269 wxWindow *top_frame = win;
270 while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
271 top_frame = top_frame->GetParent();
272
273 // support for native hot keys
274 ACCEL_OBJECT *obj = ACCEL_OBJ_CAST(top_frame->m_widget);
275 if ( !g_slist_find( ACCEL_OBJECTS(menu->m_accel), obj ) )
276 gtk_accel_group_attach( menu->m_accel, obj );
277
278 wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
279 while (node)
280 {
281 wxMenuItem *menuitem = node->GetData();
282 if (menuitem->IsSubMenu())
283 wxMenubarSetInvokingWindow( menuitem->GetSubMenu(), win );
284 node = node->GetNext();
285 }
286}
287
288void wxMenuBar::SetInvokingWindow( wxWindow *win )
289{
290 m_invokingWindow = win;
291 wxWindow *top_frame = win;
292 while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
293 top_frame = top_frame->GetParent();
294
295 // support for native key accelerators indicated by underscroes
296 ACCEL_OBJECT *obj = ACCEL_OBJ_CAST(top_frame->m_widget);
297 if ( !g_slist_find( ACCEL_OBJECTS(m_accel), obj ) )
298 gtk_accel_group_attach( m_accel, obj );
299
300 wxMenuList::compatibility_iterator node = m_menus.GetFirst();
301 while (node)
302 {
303 wxMenu *menu = node->GetData();
304 wxMenubarSetInvokingWindow( menu, win );
305 node = node->GetNext();
306 }
307}
308
309void wxMenuBar::UnsetInvokingWindow( wxWindow *win )
310{
311 m_invokingWindow = (wxWindow*) NULL;
312 wxWindow *top_frame = win;
313 while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
314 top_frame = top_frame->GetParent();
315
316 // support for native key accelerators indicated by underscroes
317 gtk_accel_group_detach( m_accel, ACCEL_OBJ_CAST(top_frame->m_widget) );
318
319 wxMenuList::compatibility_iterator node = m_menus.GetFirst();
320 while (node)
321 {
322 wxMenu *menu = node->GetData();
323 wxMenubarUnsetInvokingWindow( menu, win );
324 node = node->GetNext();
325 }
326}
327
328bool wxMenuBar::Append( wxMenu *menu, const wxString &title )
329{
330 if ( !wxMenuBarBase::Append( menu, title ) )
331 return false;
332
333 return GtkAppend(menu, title);
334}
335
336bool wxMenuBar::GtkAppend(wxMenu *menu, const wxString& title, int pos)
337{
338 wxString str( wxReplaceUnderscore( title ) );
339
340 // This doesn't have much effect right now.
341 menu->SetTitle( str );
342
343 // The "m_owner" is the "menu item"
344 menu->m_owner = gtk_menu_item_new_with_label( wxGTK_CONV( str ) );
345 GtkLabel *label = GTK_LABEL( GTK_BIN(menu->m_owner)->child );
346 // set new text
347 gtk_label_set_text( label, wxGTK_CONV( str ) );
348 // reparse key accel
349 guint accel_key = gtk_label_parse_uline (GTK_LABEL(label), wxGTK_CONV( str ) );
350 if (accel_key != GDK_VoidSymbol)
351 {
352 gtk_widget_add_accelerator (menu->m_owner,
353 "activate_item",
354 m_accel, //gtk_menu_ensure_uline_accel_group(GTK_MENU(m_menubar)),
355 accel_key,
356 GDK_MOD1_MASK,
357 GTK_ACCEL_LOCKED);
358 }
359
360 gtk_widget_show( menu->m_owner );
361
362 gtk_menu_item_set_submenu( GTK_MENU_ITEM(menu->m_owner), menu->m_menu );
363
364 if (pos == -1)
365 gtk_menu_shell_append( GTK_MENU_SHELL(m_menubar), menu->m_owner );
366 else
367 gtk_menu_shell_insert( GTK_MENU_SHELL(m_menubar), menu->m_owner, pos );
368
369 gtk_signal_connect( GTK_OBJECT(menu->m_owner), "activate",
370 GTK_SIGNAL_FUNC(gtk_menu_open_callback),
371 (gpointer)menu );
372
373 // m_invokingWindow is set after wxFrame::SetMenuBar(). This call enables
374 // addings menu later on.
375 if (m_invokingWindow)
376 {
377 wxMenubarSetInvokingWindow( menu, m_invokingWindow );
378
379 // OPTIMISE ME: we should probably cache this, or pass it
380 // directly, but for now this is a minimal
381 // change to validate the new dynamic sizing.
382 // see (and refactor :) similar code in Remove
383 // below.
384
385 wxFrame *frame = wxDynamicCast( m_invokingWindow, wxFrame );
386
387 if( frame )
388 frame->UpdateMenuBarSize();
389 }
390
391 return true;
392}
393
394bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title)
395{
396 if ( !wxMenuBarBase::Insert(pos, menu, title) )
397 return false;
398
399 // TODO
400
401 if ( !GtkAppend(menu, title, (int)pos) )
402 return false;
403
404 return true;
405}
406
407wxMenu *wxMenuBar::Replace(size_t pos, wxMenu *menu, const wxString& title)
408{
409 // remove the old item and insert a new one
410 wxMenu *menuOld = Remove(pos);
411 if ( menuOld && !Insert(pos, menu, title) )
412 {
413 return (wxMenu*) NULL;
414 }
415
416 // either Insert() succeeded or Remove() failed and menuOld is NULL
417 return menuOld;
418}
419
420wxMenu *wxMenuBar::Remove(size_t pos)
421{
422 wxMenu *menu = wxMenuBarBase::Remove(pos);
423 if ( !menu )
424 return (wxMenu*) NULL;
425
426 gtk_menu_item_remove_submenu( GTK_MENU_ITEM(menu->m_owner) );
427 gtk_container_remove(GTK_CONTAINER(m_menubar), menu->m_owner);
428
429 gtk_widget_destroy( menu->m_owner );
430 menu->m_owner = NULL;
431
432 if (m_invokingWindow)
433 {
434 // OPTIMISE ME: see comment in GtkAppend
435 wxFrame *frame = wxDynamicCast( m_invokingWindow, wxFrame );
436
437 if( frame )
438 frame->UpdateMenuBarSize();
439 }
440
441 return menu;
442}
443
444static int FindMenuItemRecursive( const wxMenu *menu, const wxString &menuString, const wxString &itemString )
445{
446 if (wxMenuItem::GetLabelText(wxConvertFromGTKToWXLabel(menu->GetTitle())) == wxMenuItem::GetLabelText(menuString))
447 {
448 int res = menu->FindItem( itemString );
449 if (res != wxNOT_FOUND)
450 return res;
451 }
452
453 wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
454 while (node)
455 {
456 wxMenuItem *item = node->GetData();
457 if (item->IsSubMenu())
458 return FindMenuItemRecursive(item->GetSubMenu(), menuString, itemString);
459
460 node = node->GetNext();
461 }
462
463 return wxNOT_FOUND;
464}
465
466int wxMenuBar::FindMenuItem( const wxString &menuString, const wxString &itemString ) const
467{
468 wxMenuList::compatibility_iterator node = m_menus.GetFirst();
469 while (node)
470 {
471 wxMenu *menu = node->GetData();
472 int res = FindMenuItemRecursive( menu, menuString, itemString);
473 if (res != -1)
474 return res;
475 node = node->GetNext();
476 }
477
478 return wxNOT_FOUND;
479}
480
481// Find a wxMenuItem using its id. Recurses down into sub-menus
482static wxMenuItem* FindMenuItemByIdRecursive(const wxMenu* menu, int id)
483{
484 wxMenuItem* result = menu->FindChildItem(id);
485
486 wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
487 while ( node && result == NULL )
488 {
489 wxMenuItem *item = node->GetData();
490 if (item->IsSubMenu())
491 {
492 result = FindMenuItemByIdRecursive( item->GetSubMenu(), id );
493 }
494 node = node->GetNext();
495 }
496
497 return result;
498}
499
500wxMenuItem* wxMenuBar::FindItem( int id, wxMenu **menuForItem ) const
501{
502 wxMenuItem* result = 0;
503 wxMenuList::compatibility_iterator node = m_menus.GetFirst();
504 while (node && result == 0)
505 {
506 wxMenu *menu = node->GetData();
507 result = FindMenuItemByIdRecursive( menu, id );
508 node = node->GetNext();
509 }
510
511 if ( menuForItem )
512 {
513 *menuForItem = result ? result->GetMenu() : (wxMenu *)NULL;
514 }
515
516 return result;
517}
518
519void wxMenuBar::EnableTop( size_t pos, bool flag )
520{
521 wxMenuList::compatibility_iterator node = m_menus.Item( pos );
522
523 wxCHECK_RET( node, wxT("menu not found") );
524
525 wxMenu* menu = node->GetData();
526
527 if (menu->m_owner)
528 gtk_widget_set_sensitive( menu->m_owner, flag );
529}
530
531wxString wxMenuBar::GetMenuLabel( size_t pos ) const
532{
533 wxMenuList::compatibility_iterator node = m_menus.Item( pos );
534
535 wxCHECK_MSG( node, wxT("invalid"), wxT("menu not found") );
536
537 wxMenu* menu = node->GetData();
538
539 return wxConvertFromGTKToWXLabel(menu->GetTitle());
540}
541
542void wxMenuBar::SetMenuLabel( size_t pos, const wxString& label )
543{
544 wxMenuList::compatibility_iterator node = m_menus.Item( pos );
545
546 wxCHECK_RET( node, wxT("menu not found") );
547
548 wxMenu* menu = node->GetData();
549
550 const wxString str( wxReplaceUnderscore( label ) );
551
552 menu->SetTitle( str );
553
554 if (menu->m_owner)
555 {
556 GtkLabel *glabel = GTK_LABEL( GTK_BIN(menu->m_owner)->child );
557
558 /* set new text */
559 gtk_label_set( glabel, wxGTK_CONV( str ) );
560
561 /* reparse key accel */
562 (void)gtk_label_parse_uline (GTK_LABEL(glabel), wxGTK_CONV( str ) );
563 gtk_accel_label_refetch( GTK_ACCEL_LABEL(glabel) );
564 }
565
566}
567
568//-----------------------------------------------------------------------------
569// "activate"
570//-----------------------------------------------------------------------------
571
572extern "C" {
573static void gtk_menu_clicked_callback( GtkWidget *widget, wxMenu *menu )
574{
575 if (g_isIdle)
576 wxapp_install_idle_handler();
577
578 int id = menu->FindMenuIdByMenuItem(widget);
579
580 /* should find it for normal (not popup) menu */
581 wxASSERT_MSG( (id != -1) || (menu->GetInvokingWindow() != NULL),
582 _T("menu item not found in gtk_menu_clicked_callback") );
583
584 if (!menu->IsEnabled(id))
585 return;
586
587 wxMenuItem* item = menu->FindChildItem( id );
588 wxCHECK_RET( item, wxT("error in menu item callback") );
589
590 if ( item->GetId() == wxGTK_TITLE_ID )
591 {
592 // ignore events from the menu title
593 return;
594 }
595
596 if (item->IsCheckable())
597 {
598 bool isReallyChecked = item->IsChecked(),
599 isInternallyChecked = item->wxMenuItemBase::IsChecked();
600
601 // ensure that the internal state is always consistent with what is
602 // shown on the screen
603 item->wxMenuItemBase::Check(isReallyChecked);
604
605 // we must not report the events for the radio button going up nor the
606 // events resulting from the calls to wxMenuItem::Check()
607 if ( (item->GetKind() == wxITEM_RADIO && !isReallyChecked) ||
608 (isInternallyChecked == isReallyChecked) )
609 {
610 return;
611 }
612 }
613
614
615 // Is this menu on a menubar? (possibly nested)
616 wxFrame* frame = NULL;
617 if(menu->IsAttached())
618 frame = menu->GetMenuBar()->GetFrame();
619
620 // FIXME: why do we have to call wxFrame::GetEventHandler() directly here?
621 // normally wxMenu::SendEvent() should be enough, if it doesn't work
622 // in wxGTK then we have a bug in wxMenu::GetInvokingWindow() which
623 // should be fixed instead of working around it here...
624 if (frame)
625 {
626 // If it is attached then let the frame send the event.
627 // Don't call frame->ProcessCommand(id) because it toggles
628 // checkable items and we've already done that above.
629 wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, id);
630 commandEvent.SetEventObject(frame);
631 if (item->IsCheckable())
632 commandEvent.SetInt(item->IsChecked());
633 commandEvent.SetEventObject(menu);
634
635 frame->HandleWindowEvent(commandEvent);
636 }
637 else
638 {
639 // otherwise let the menu have it
640 menu->SendEvent(id, item->IsCheckable() ? item->IsChecked() : -1);
641 }
642}
643}
644
645//-----------------------------------------------------------------------------
646// "select"
647//-----------------------------------------------------------------------------
648
649extern "C" {
650static void gtk_menu_hilight_callback( GtkWidget *widget, wxMenu *menu )
651{
652 if (g_isIdle) wxapp_install_idle_handler();
653
654 int id = menu->FindMenuIdByMenuItem(widget);
655
656 wxASSERT( id != -1 ); // should find it!
657
658 if (!menu->IsEnabled(id))
659 return;
660
661 wxMenuEvent event( wxEVT_MENU_HIGHLIGHT, id );
662 event.SetEventObject( menu );
663
664 wxEvtHandler* handler = menu->GetEventHandler();
665 if (handler && handler->ProcessEvent(event))
666 return;
667
668 wxWindow *win = menu->GetInvokingWindow();
669 if (win) win->HandleWindowEvent( event );
670}
671}
672
673//-----------------------------------------------------------------------------
674// "deselect"
675//-----------------------------------------------------------------------------
676
677extern "C" {
678static void gtk_menu_nolight_callback( GtkWidget *widget, wxMenu *menu )
679{
680 if (g_isIdle) wxapp_install_idle_handler();
681
682 int id = menu->FindMenuIdByMenuItem(widget);
683
684 wxASSERT( id != -1 ); // should find it!
685
686 if (!menu->IsEnabled(id))
687 return;
688
689 wxMenuEvent event( wxEVT_MENU_HIGHLIGHT, -1 );
690 event.SetEventObject( menu );
691
692 wxEvtHandler* handler = menu->GetEventHandler();
693 if (handler && handler->ProcessEvent(event))
694 return;
695
696 wxWindow *win = menu->GetInvokingWindow();
697 if (win)
698 win->HandleWindowEvent( event );
699}
700}
701
702//-----------------------------------------------------------------------------
703// wxMenuItem
704//-----------------------------------------------------------------------------
705
706IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject)
707
708wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu,
709 int id,
710 const wxString& name,
711 const wxString& help,
712 wxItemKind kind,
713 wxMenu *subMenu)
714{
715 return new wxMenuItem(parentMenu, id, name, help, kind, subMenu);
716}
717
718wxMenuItem::wxMenuItem(wxMenu *parentMenu,
719 int id,
720 const wxString& text,
721 const wxString& help,
722 wxItemKind kind,
723 wxMenu *subMenu)
724 : wxMenuItemBase(parentMenu, id, text, help, kind, subMenu)
725{
726 Init();
727}
728
729wxMenuItem::wxMenuItem(wxMenu *parentMenu,
730 int id,
731 const wxString& text,
732 const wxString& help,
733 bool isCheckable,
734 wxMenu *subMenu)
735 : wxMenuItemBase(parentMenu, id, text, help,
736 isCheckable ? wxITEM_CHECK : wxITEM_NORMAL, subMenu)
737{
738 Init();
739}
740
741void wxMenuItem::Init()
742{
743 m_labelWidget = (GtkWidget *) NULL;
744 m_menuItem = (GtkWidget *) NULL;
745
746 DoSetText(m_text);
747}
748
749wxMenuItem::~wxMenuItem()
750{
751 // don't delete menu items, the menus take care of that
752}
753
754wxString wxMenuItem::GetItemLabel() const
755{
756 wxString label = wxConvertFromGTKToWXLabel(m_text);
757 if (!m_hotKey.IsEmpty())
758 label = label + wxT("\t") + m_hotKey;
759 return label;
760}
761
762void wxMenuItem::SetItemLabel( const wxString& string )
763{
764 wxString str = string;
765 if ( str.empty() && !IsSeparator() )
766 {
767 wxASSERT_MSG(wxIsStockID(GetId()), wxT("A non-stock menu item with an empty label?"));
768 str = wxGetStockLabel(GetId(), wxSTOCK_WITH_ACCELERATOR |
769 wxSTOCK_WITH_MNEMONIC);
770 }
771
772 // Some optimization to avoid flicker
773 wxString oldLabel = m_text;
774 oldLabel = wxStripMenuCodes(oldLabel);
775 oldLabel.Replace(wxT("_"), wxEmptyString);
776 wxString label1 = wxStripMenuCodes(str);
777 wxString oldhotkey = GetHotKey(); // Store the old hotkey in Ctrl-foo format
778 wxCharBuffer oldbuf = wxGTK_CONV( GetGtkHotKey(*this) ); // and as <control>foo
779
780 DoSetText(str);
781
782 if (oldLabel == label1 &&
783 oldhotkey == GetHotKey()) // Make sure we can change a hotkey even if the label is unaltered
784 return;
785
786 if (m_menuItem)
787 {
788 GtkLabel *label;
789 if (m_labelWidget)
790 label = (GtkLabel*) m_labelWidget;
791 else
792 label = GTK_LABEL( GTK_BIN(m_menuItem)->child );
793
794 // set new text
795 gtk_label_set( label, wxGTK_CONV( m_text ) );
796
797 // reparse key accel
798 (void)gtk_label_parse_uline (GTK_LABEL(label), wxGTK_CONV(m_text) );
799 gtk_accel_label_refetch( GTK_ACCEL_LABEL(label) );
800 }
801
802 guint accel_key;
803 GdkModifierType accel_mods;
804 gtk_accelerator_parse( (const char*) oldbuf, &accel_key, &accel_mods);
805 if (accel_key != 0)
806 {
807 gtk_widget_remove_accelerator( GTK_WIDGET(m_menuItem),
808 m_parentMenu->m_accel,
809 accel_key,
810 accel_mods );
811 }
812
813 wxCharBuffer buf = wxGTK_CONV( GetGtkHotKey(*this) );
814 gtk_accelerator_parse( (const char*) buf, &accel_key, &accel_mods);
815 if (accel_key != 0)
816 {
817 gtk_widget_add_accelerator( GTK_WIDGET(m_menuItem),
818 "activate",
819 m_parentMenu->m_accel,
820 accel_key,
821 accel_mods,
822 GTK_ACCEL_VISIBLE);
823 }
824}
825
826// it's valid for this function to be called even if m_menuItem == NULL
827void wxMenuItem::DoSetText( const wxString& str )
828{
829 // '\t' is the deliminator indicating a hot key
830 wxString text;
831 text.reserve(str.length());
832
833 const wxChar *pc = str;
834 while ( (*pc != wxT('\0')) && (*pc != wxT('\t')) )
835 {
836 if ((*pc == wxT('&')) && (*(pc+1) == wxT('&')))
837 {
838 // "&" is doubled to indicate "&" instead of accelerator
839 ++pc;
840 text << wxT('&');
841 }
842 else if (*pc == wxT('&'))
843 {
844 text << wxT('_');
845 }
846 else if ( *pc == wxT('_') ) // escape underscores
847 {
848 text << wxT("__");
849 }
850 else
851 {
852 text << *pc;
853 }
854 ++pc;
855 }
856
857 m_hotKey = wxEmptyString;
858
859 if ( *pc == wxT('\t') )
860 {
861 pc++;
862 m_hotKey = pc;
863 }
864
865 m_text = text;
866}
867
868#if wxUSE_ACCEL
869
870wxAcceleratorEntry *wxMenuItem::GetAccel() const
871{
872 if ( !GetHotKey() )
873 {
874 // nothing
875 return (wxAcceleratorEntry *)NULL;
876 }
877
878 // accelerator parsing code looks for them after a TAB, so insert a dummy
879 // one here
880 wxString label;
881 label << wxT('\t') << GetHotKey();
882
883 return wxAcceleratorEntry::Create(label);
884}
885
886#endif // wxUSE_ACCEL
887
888void wxMenuItem::Check( bool check )
889{
890 wxCHECK_RET( m_menuItem, wxT("invalid menu item") );
891
892 if (check == m_isChecked)
893 return;
894
895 wxMenuItemBase::Check( check );
896
897 switch ( GetKind() )
898 {
899 case wxITEM_CHECK:
900 case wxITEM_RADIO:
901 gtk_check_menu_item_set_state( (GtkCheckMenuItem*)m_menuItem, (gint)check );
902 break;
903
904 default:
905 wxFAIL_MSG( _T("can't check this item") );
906 }
907}
908
909void wxMenuItem::Enable( bool enable )
910{
911 wxCHECK_RET( m_menuItem, wxT("invalid menu item") );
912
913 gtk_widget_set_sensitive( m_menuItem, enable );
914 wxMenuItemBase::Enable( enable );
915}
916
917bool wxMenuItem::IsChecked() const
918{
919 wxCHECK_MSG( m_menuItem, false, wxT("invalid menu item") );
920
921 wxCHECK_MSG( IsCheckable(), false,
922 wxT("can't get state of uncheckable item!") );
923
924 return ((GtkCheckMenuItem*)m_menuItem)->active != 0;
925}
926
927//-----------------------------------------------------------------------------
928// wxMenu
929//-----------------------------------------------------------------------------
930
931IMPLEMENT_DYNAMIC_CLASS(wxMenu,wxEvtHandler)
932
933void wxMenu::Init()
934{
935 m_accel = gtk_accel_group_new();
936 m_menu = gtk_menu_new();
937 // NB: keep reference to the menu so that it is not destroyed behind
938 // our back by GTK+ e.g. when it is removed from menubar:
939 gtk_widget_ref(m_menu);
940
941 m_owner = (GtkWidget*) NULL;
942
943 // Tearoffs are entries, just like separators. So if we want this
944 // menu to be a tear-off one, we just append a tearoff entry
945 // immediately.
946 if ( m_style & wxMENU_TEAROFF )
947 {
948 GtkWidget *tearoff = gtk_tearoff_menu_item_new();
949
950 gtk_menu_append(GTK_MENU(m_menu), tearoff);
951 }
952
953 m_prevRadio = NULL;
954
955 // append the title as the very first entry if we have it
956 if ( !m_title.empty() )
957 {
958 Append(wxGTK_TITLE_ID, m_title);
959 AppendSeparator();
960 }
961}
962
963wxMenu::~wxMenu()
964{
965 WX_CLEAR_LIST(wxMenuItemList, m_items);
966
967 if ( GTK_IS_WIDGET( m_menu ))
968 {
969 // see wxMenu::Init
970 gtk_widget_unref( m_menu );
971 // if the menu is inserted in another menu at this time, there was
972 // one more reference to it:
973 if ( m_owner )
974 gtk_widget_destroy( m_menu );
975 }
976}
977
978bool wxMenu::GtkAppend(wxMenuItem *mitem, int pos)
979{
980 GtkWidget *menuItem;
981
982 wxString text;
983 GtkLabel* label = NULL;
984
985 if ( mitem->IsSeparator() )
986 {
987 // TODO
988 menuItem = gtk_menu_item_new();
989 }
990 else if (mitem->GetBitmap().Ok())
991 {
992 text = mitem->wxMenuItemBase::GetItemLabel();
993 const wxBitmap *bitmap = &mitem->GetBitmap();
994
995 // TODO
996 wxUnusedVar(bitmap);
997 menuItem = gtk_menu_item_new_with_label( wxGTK_CONV( text ) );
998 label = GTK_LABEL( GTK_BIN(menuItem)->child );
999
1000 m_prevRadio = NULL;
1001 }
1002 else // a normal item
1003 {
1004 // text has "_" instead of "&" after mitem->SetItemLabel() so don't use it
1005 text = mitem->wxMenuItemBase::GetItemLabel() ;
1006
1007 switch ( mitem->GetKind() )
1008 {
1009 case wxITEM_CHECK:
1010 {
1011 menuItem = gtk_check_menu_item_new_with_label( wxGTK_CONV( text ) );
1012 label = GTK_LABEL( GTK_BIN(menuItem)->child );
1013 // set new text
1014 gtk_label_set_text( label, wxGTK_CONV( text ) );
1015 m_prevRadio = NULL;
1016 break;
1017 }
1018
1019 case wxITEM_RADIO:
1020 {
1021 GSList *group = NULL;
1022 if ( m_prevRadio == NULL )
1023 {
1024 // start of a new radio group
1025 m_prevRadio = menuItem = gtk_radio_menu_item_new_with_label( group, wxGTK_CONV( text ) );
1026 label = GTK_LABEL( GTK_BIN(menuItem)->child );
1027 // set new text
1028 gtk_label_set_text( label, wxGTK_CONV( text ) );
1029 }
1030 else // continue the radio group
1031 {
1032 group = gtk_radio_menu_item_group (GTK_RADIO_MENU_ITEM (m_prevRadio));
1033 m_prevRadio = menuItem = gtk_radio_menu_item_new_with_label( group, wxGTK_CONV( text ) );
1034 label = GTK_LABEL( GTK_BIN(menuItem)->child );
1035 }
1036 break;
1037 }
1038
1039 default:
1040 wxFAIL_MSG( _T("unexpected menu item kind") );
1041 // fall through
1042
1043 case wxITEM_NORMAL:
1044 {
1045 menuItem = gtk_menu_item_new_with_label( wxGTK_CONV( text ) );
1046 label = GTK_LABEL( GTK_BIN(menuItem)->child );
1047 m_prevRadio = NULL;
1048 break;
1049 }
1050 }
1051
1052 }
1053
1054 guint accel_key;
1055 GdkModifierType accel_mods;
1056 wxCharBuffer buf = wxGTK_CONV( GetGtkHotKey(*mitem) );
1057
1058 // wxPrintf( wxT("item: %s hotkey %s\n"), mitem->GetItemLabel().c_str(), GetGtkHotKey(*mitem).c_str() );
1059 gtk_accelerator_parse( (const char*) buf, &accel_key, &accel_mods);
1060 if (accel_key != 0)
1061 {
1062 gtk_widget_add_accelerator (GTK_WIDGET(menuItem),
1063 "activate",
1064 m_accel,
1065 accel_key,
1066 accel_mods,
1067 GTK_ACCEL_VISIBLE);
1068 }
1069
1070 if (pos == -1)
1071 gtk_menu_shell_append(GTK_MENU_SHELL(m_menu), menuItem);
1072 else
1073 gtk_menu_shell_insert(GTK_MENU_SHELL(m_menu), menuItem, pos);
1074
1075 gtk_widget_show( menuItem );
1076
1077 if ( !mitem->IsSeparator() )
1078 {
1079 wxASSERT_MSG( menuItem, wxT("invalid menuitem") );
1080
1081 gtk_signal_connect( GTK_OBJECT(menuItem), "select",
1082 GTK_SIGNAL_FUNC(gtk_menu_hilight_callback),
1083 (gpointer)this );
1084
1085 gtk_signal_connect( GTK_OBJECT(menuItem), "deselect",
1086 GTK_SIGNAL_FUNC(gtk_menu_nolight_callback),
1087 (gpointer)this );
1088
1089 if ( mitem->IsSubMenu() && mitem->GetKind() != wxITEM_RADIO && mitem->GetKind() != wxITEM_CHECK )
1090 {
1091 gtk_menu_item_set_submenu( GTK_MENU_ITEM(menuItem), mitem->GetSubMenu()->m_menu );
1092
1093 gtk_widget_show( mitem->GetSubMenu()->m_menu );
1094
1095 // if adding a submenu to a menu already existing in the menu bar, we
1096 // must set invoking window to allow processing events from this
1097 // submenu
1098 if ( m_invokingWindow )
1099 wxMenubarSetInvokingWindow(mitem->GetSubMenu(), m_invokingWindow);
1100 }
1101 else
1102 {
1103 gtk_signal_connect( GTK_OBJECT(menuItem), "activate",
1104 GTK_SIGNAL_FUNC(gtk_menu_clicked_callback),
1105 (gpointer)this );
1106 }
1107
1108 guint accel_key = gtk_label_parse_uline (GTK_LABEL(label), wxGTK_CONV( text ) );
1109 if (accel_key != GDK_VoidSymbol)
1110 {
1111 gtk_widget_add_accelerator (menuItem,
1112 "activate_item",
1113 gtk_menu_ensure_uline_accel_group(GTK_MENU(m_menu)),
1114 accel_key,
1115 GDK_MOD1_MASK,
1116 GTK_ACCEL_LOCKED);
1117 }
1118 }
1119
1120 mitem->SetMenuItem(menuItem);
1121
1122 if (ms_locked)
1123 {
1124 // This doesn't even exist!
1125 // gtk_widget_lock_accelerators(mitem->GetMenuItem());
1126 }
1127
1128 return true;
1129}
1130
1131wxMenuItem* wxMenu::DoAppend(wxMenuItem *mitem)
1132{
1133 if (!GtkAppend(mitem))
1134 return NULL;
1135
1136 return wxMenuBase::DoAppend(mitem);
1137}
1138
1139wxMenuItem* wxMenu::DoInsert(size_t pos, wxMenuItem *item)
1140{
1141 if ( !wxMenuBase::DoInsert(pos, item) )
1142 return NULL;
1143
1144 // TODO
1145 if ( !GtkAppend(item, (int)pos) )
1146 return NULL;
1147
1148 return item;
1149}
1150
1151wxMenuItem *wxMenu::DoRemove(wxMenuItem *item)
1152{
1153 if ( !wxMenuBase::DoRemove(item) )
1154 return (wxMenuItem *)NULL;
1155
1156 // TODO: this code doesn't delete the item factory item and this seems
1157 // impossible as of GTK 1.2.6.
1158 gtk_widget_destroy( item->GetMenuItem() );
1159
1160 return item;
1161}
1162
1163int wxMenu::FindMenuIdByMenuItem( GtkWidget *menuItem ) const
1164{
1165 wxMenuItemList::compatibility_iterator node = m_items.GetFirst();
1166 while (node)
1167 {
1168 wxMenuItem *item = node->GetData();
1169 if (item->GetMenuItem() == menuItem)
1170 return item->GetId();
1171 node = node->GetNext();
1172 }
1173
1174 return wxNOT_FOUND;
1175}
1176
1177// ----------------------------------------------------------------------------
1178// helpers
1179// ----------------------------------------------------------------------------
1180
1181#if wxUSE_ACCEL
1182
1183static wxString GetGtkHotKey( const wxMenuItem& item )
1184{
1185 wxString hotkey;
1186
1187 wxAcceleratorEntry *accel = item.GetAccel();
1188 if ( accel )
1189 {
1190 int flags = accel->GetFlags();
1191 if ( flags & wxACCEL_ALT )
1192 hotkey += wxT("<alt>");
1193 if ( flags & wxACCEL_CTRL )
1194 hotkey += wxT("<control>");
1195 if ( flags & wxACCEL_SHIFT )
1196 hotkey += wxT("<shift>");
1197
1198 int code = accel->GetKeyCode();
1199 switch ( code )
1200 {
1201 case WXK_F1:
1202 case WXK_F2:
1203 case WXK_F3:
1204 case WXK_F4:
1205 case WXK_F5:
1206 case WXK_F6:
1207 case WXK_F7:
1208 case WXK_F8:
1209 case WXK_F9:
1210 case WXK_F10:
1211 case WXK_F11:
1212 case WXK_F12:
1213 case WXK_F13:
1214 case WXK_F14:
1215 case WXK_F15:
1216 case WXK_F16:
1217 case WXK_F17:
1218 case WXK_F18:
1219 case WXK_F19:
1220 case WXK_F20:
1221 case WXK_F21:
1222 case WXK_F22:
1223 case WXK_F23:
1224 case WXK_F24:
1225 hotkey += wxString::Format(wxT("F%d"), code - WXK_F1 + 1);
1226 break;
1227
1228 // TODO: we should use gdk_keyval_name() (a.k.a.
1229 // XKeysymToString) here as well as hardcoding the keysym
1230 // names this might be not portable
1231 case WXK_INSERT:
1232 hotkey << wxT("Insert" );
1233 break;
1234 case WXK_DELETE:
1235 hotkey << wxT("Delete" );
1236 break;
1237 case WXK_UP:
1238 hotkey << wxT("Up" );
1239 break;
1240 case WXK_DOWN:
1241 hotkey << wxT("Down" );
1242 break;
1243 case WXK_PAGEUP:
1244 hotkey << wxT("Page_Up" );
1245 break;
1246 case WXK_PAGEDOWN:
1247 hotkey << wxT("Page_Down" );
1248 break;
1249 case WXK_LEFT:
1250 hotkey << wxT("Left" );
1251 break;
1252 case WXK_RIGHT:
1253 hotkey << wxT("Right" );
1254 break;
1255 case WXK_HOME:
1256 hotkey << wxT("Home" );
1257 break;
1258 case WXK_END:
1259 hotkey << wxT("End" );
1260 break;
1261 case WXK_RETURN:
1262 hotkey << wxT("Return" );
1263 break;
1264 case WXK_BACK:
1265 hotkey << wxT("BackSpace" );
1266 break;
1267 case WXK_TAB:
1268 hotkey << wxT("Tab" );
1269 break;
1270 case WXK_ESCAPE:
1271 hotkey << wxT("Esc" );
1272 break;
1273 case WXK_SPACE:
1274 hotkey << wxT("space" );
1275 break;
1276 case WXK_MULTIPLY:
1277 hotkey << wxT("Multiply" );
1278 break;
1279 case WXK_ADD:
1280 hotkey << wxT("Add" );
1281 break;
1282 case WXK_SEPARATOR:
1283 hotkey << wxT("Separator" );
1284 break;
1285 case WXK_SUBTRACT:
1286 hotkey << wxT("Subtract" );
1287 break;
1288 case WXK_DECIMAL:
1289 hotkey << wxT("Decimal" );
1290 break;
1291 case WXK_DIVIDE:
1292 hotkey << wxT("Divide" );
1293 break;
1294 case WXK_CANCEL:
1295 hotkey << wxT("Cancel" );
1296 break;
1297 case WXK_CLEAR:
1298 hotkey << wxT("Clear" );
1299 break;
1300 case WXK_MENU:
1301 hotkey << wxT("Menu" );
1302 break;
1303 case WXK_PAUSE:
1304 hotkey << wxT("Pause" );
1305 break;
1306 case WXK_CAPITAL:
1307 hotkey << wxT("Capital" );
1308 break;
1309 case WXK_SELECT:
1310 hotkey << wxT("Select" );
1311 break;
1312 case WXK_PRINT:
1313 hotkey << wxT("Print" );
1314 break;
1315 case WXK_EXECUTE:
1316 hotkey << wxT("Execute" );
1317 break;
1318 case WXK_SNAPSHOT:
1319 hotkey << wxT("Snapshot" );
1320 break;
1321 case WXK_HELP:
1322 hotkey << wxT("Help" );
1323 break;
1324 case WXK_NUMLOCK:
1325 hotkey << wxT("Num_Lock" );
1326 break;
1327 case WXK_SCROLL:
1328 hotkey << wxT("Scroll_Lock" );
1329 break;
1330 case WXK_NUMPAD_INSERT:
1331 hotkey << wxT("KP_Insert" );
1332 break;
1333 case WXK_NUMPAD_DELETE:
1334 hotkey << wxT("KP_Delete" );
1335 break;
1336 case WXK_NUMPAD_SPACE:
1337 hotkey << wxT("KP_Space" );
1338 break;
1339 case WXK_NUMPAD_TAB:
1340 hotkey << wxT("KP_Tab" );
1341 break;
1342 case WXK_NUMPAD_ENTER:
1343 hotkey << wxT("KP_Enter" );
1344 break;
1345 case WXK_NUMPAD_F1: case WXK_NUMPAD_F2: case WXK_NUMPAD_F3:
1346 case WXK_NUMPAD_F4:
1347 hotkey += wxString::Format(wxT("KP_F%d"), code - WXK_NUMPAD_F1 + 1);
1348 break;
1349 case WXK_NUMPAD_HOME:
1350 hotkey << wxT("KP_Home" );
1351 break;
1352 case WXK_NUMPAD_LEFT:
1353 hotkey << wxT("KP_Left" );
1354 break;
1355 case WXK_NUMPAD_UP:
1356 hotkey << wxT("KP_Up" );
1357 break;
1358 case WXK_NUMPAD_RIGHT:
1359 hotkey << wxT("KP_Right" );
1360 break;
1361 case WXK_NUMPAD_DOWN:
1362 hotkey << wxT("KP_Down" );
1363 break;
1364 case WXK_NUMPAD_PAGEUP:
1365 hotkey << wxT("KP_Page_Up" );
1366 break;
1367 case WXK_NUMPAD_PAGEDOWN:
1368 hotkey << wxT("KP_Page_Down" );
1369 break;
1370 case WXK_NUMPAD_END:
1371 hotkey << wxT("KP_End" );
1372 break;
1373 case WXK_NUMPAD_BEGIN:
1374 hotkey << wxT("KP_Begin" );
1375 break;
1376 case WXK_NUMPAD_EQUAL:
1377 hotkey << wxT("KP_Equal" );
1378 break;
1379 case WXK_NUMPAD_MULTIPLY:
1380 hotkey << wxT("KP_Multiply" );
1381 break;
1382 case WXK_NUMPAD_ADD:
1383 hotkey << wxT("KP_Add" );
1384 break;
1385 case WXK_NUMPAD_SEPARATOR:
1386 hotkey << wxT("KP_Separator" );
1387 break;
1388 case WXK_NUMPAD_SUBTRACT:
1389 hotkey << wxT("KP_Subtract" );
1390 break;
1391 case WXK_NUMPAD_DECIMAL:
1392 hotkey << wxT("KP_Decimal" );
1393 break;
1394 case WXK_NUMPAD_DIVIDE:
1395 hotkey << wxT("KP_Divide" );
1396 break;
1397 case WXK_NUMPAD0: case WXK_NUMPAD1: case WXK_NUMPAD2:
1398 case WXK_NUMPAD3: case WXK_NUMPAD4: case WXK_NUMPAD5:
1399 case WXK_NUMPAD6: case WXK_NUMPAD7: case WXK_NUMPAD8: case WXK_NUMPAD9:
1400 hotkey += wxString::Format(wxT("KP_%d"), code - WXK_NUMPAD0);
1401 break;
1402 case WXK_WINDOWS_LEFT:
1403 hotkey << wxT("Super_L" );
1404 break;
1405 case WXK_WINDOWS_RIGHT:
1406 hotkey << wxT("Super_R" );
1407 break;
1408 case WXK_WINDOWS_MENU:
1409 hotkey << wxT("Menu" );
1410 break;
1411 case WXK_COMMAND:
1412 hotkey << wxT("Command" );
1413 break;
1414 /* These probably wouldn't work as there is no SpecialX in gdk/keynames.txt
1415 case WXK_SPECIAL1: case WXK_SPECIAL2: case WXK_SPECIAL3: case WXK_SPECIAL4:
1416 case WXK_SPECIAL5: case WXK_SPECIAL6: case WXK_SPECIAL7: case WXK_SPECIAL8:
1417 case WXK_SPECIAL9: case WXK_SPECIAL10: case WXK_SPECIAL11: case WXK_SPECIAL12:
1418 case WXK_SPECIAL13: case WXK_SPECIAL14: case WXK_SPECIAL15: case WXK_SPECIAL16:
1419 case WXK_SPECIAL17: case WXK_SPECIAL18: case WXK_SPECIAL19: case WXK_SPECIAL20:
1420 hotkey += wxString::Format(wxT("Special%d"), code - WXK_SPECIAL1 + 1);
1421 break;
1422 */
1423 // if there are any other keys wxAcceleratorEntry::Create() may
1424 // return, we should process them here
1425
1426 default:
1427 if ( code < 127 )
1428 {
1429 wxString name = wxGTK_CONV_BACK( gdk_keyval_name((guint)code) );
1430 if ( !name.empty() )
1431 {
1432 hotkey << name;
1433 break;
1434 }
1435 }
1436
1437 wxFAIL_MSG( wxT("unknown keyboard accel") );
1438 }
1439
1440 delete accel;
1441 }
1442
1443 return hotkey;
1444}
1445
1446#endif // wxUSE_ACCEL
1447
1448// ----------------------------------------------------------------------------
1449// Pop-up menu stuff
1450// ----------------------------------------------------------------------------
1451
1452#if wxUSE_MENUS_NATIVE
1453
1454extern "C" WXDLLIMPEXP_CORE
1455void gtk_pop_hide_callback( GtkWidget *WXUNUSED(widget), bool* is_waiting )
1456{
1457 *is_waiting = false;
1458}
1459
1460WXDLLIMPEXP_CORE void SetInvokingWindow( wxMenu *menu, wxWindow* win )
1461{
1462 menu->SetInvokingWindow( win );
1463
1464 wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
1465 while (node)
1466 {
1467 wxMenuItem *menuitem = node->GetData();
1468 if (menuitem->IsSubMenu())
1469 {
1470 SetInvokingWindow( menuitem->GetSubMenu(), win );
1471 }
1472
1473 node = node->GetNext();
1474 }
1475}
1476
1477extern "C" WXDLLIMPEXP_CORE
1478void wxPopupMenuPositionCallback( GtkMenu *menu,
1479 gint *x, gint *y,
1480 gpointer user_data )
1481{
1482 // ensure that the menu appears entirely on screen
1483 GtkRequisition req;
1484 gtk_widget_get_child_requisition(GTK_WIDGET(menu), &req);
1485
1486 wxSize sizeScreen = wxGetDisplaySize();
1487 wxPoint *pos = (wxPoint*)user_data;
1488
1489 gint xmax = sizeScreen.x - req.width,
1490 ymax = sizeScreen.y - req.height;
1491
1492 *x = pos->x < xmax ? pos->x : xmax;
1493 *y = pos->y < ymax ? pos->y : ymax;
1494}
1495
1496bool wxWindowGTK::DoPopupMenu( wxMenu *menu, int x, int y )
1497{
1498 wxCHECK_MSG( m_widget != NULL, false, wxT("invalid window") );
1499
1500 wxCHECK_MSG( menu != NULL, false, wxT("invalid popup-menu") );
1501
1502 // NOTE: if you change this code, you need to update
1503 // the same code in taskbar.cpp as well. This
1504 // is ugly code duplication, I know.
1505
1506 SetInvokingWindow( menu, this );
1507
1508 menu->UpdateUI();
1509
1510 bool is_waiting = true;
1511
1512 gulong handler = gtk_signal_connect( GTK_OBJECT(menu->m_menu),
1513 "hide",
1514 GTK_SIGNAL_FUNC(gtk_pop_hide_callback),
1515 (gpointer)&is_waiting );
1516
1517 wxPoint pos;
1518 gpointer userdata;
1519 GtkMenuPositionFunc posfunc;
1520 if ( x == -1 && y == -1 )
1521 {
1522 // use GTK's default positioning algorithm
1523 userdata = NULL;
1524 posfunc = NULL;
1525 }
1526 else
1527 {
1528 pos = ClientToScreen(wxPoint(x, y));
1529 userdata = &pos;
1530 posfunc = wxPopupMenuPositionCallback;
1531 }
1532
1533 wxMenuEvent eventOpen(wxEVT_MENU_OPEN, -1, menu);
1534 DoCommonMenuCallbackCode(menu, eventOpen);
1535
1536 gtk_menu_popup(
1537 GTK_MENU(menu->m_menu),
1538 (GtkWidget *) NULL, // parent menu shell
1539 (GtkWidget *) NULL, // parent menu item
1540 posfunc, // function to position it
1541 userdata, // client data
1542 0, // button used to activate it
1543 wxGtkTimeLastClick // the time of activation
1544 );
1545
1546 while (is_waiting)
1547 {
1548 gtk_main_iteration();
1549 }
1550
1551 gtk_signal_disconnect(GTK_OBJECT(menu->m_menu), handler);
1552
1553 wxMenuEvent eventClose(wxEVT_MENU_CLOSE, -1, menu);
1554 DoCommonMenuCallbackCode(menu, eventClose);
1555
1556 return true;
1557}
1558
1559#endif // wxUSE_MENUS_NATIVE
wxWidgets (Impactor)