use the encoding of the font which is used to draw the text when convering it to...
[wxWidgets.git] / src / gtk / menu.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: menu.cpp
3 // Purpose:
4 // Author: Robert Roebling
5 // Id: $Id$
6 // Copyright: (c) 1998 Robert Roebling
7 // Licence: wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
9
10 // For compilers that support precompilation, includes "wx.h".
11 #include "wx/wxprec.h"
12
13 #include "wx/menu.h"
14 #include "wx/log.h"
15 #include "wx/intl.h"
16 #include "wx/app.h"
17 #include "wx/bitmap.h"
18
19 #if wxUSE_ACCEL
20 #include "wx/accel.h"
21 #endif // wxUSE_ACCEL
22
23 #include "wx/gtk/private.h"
24
25 #include <gdk/gdkkeysyms.h>
26
27 // FIXME: is this right? somehow I don't think so (VZ)
28 #ifdef __WXGTK20__
29 #include <glib-object.h>
30
31 #define gtk_accel_group_attach(g, o) gtk_window_add_accel_group((o), (g))
32 #define gtk_accel_group_detach(g, o) gtk_window_remove_accel_group((o), (g))
33 #define gtk_menu_ensure_uline_accel_group(m) gtk_menu_get_accel_group(m)
34
35 #define ACCEL_OBJECT GtkWindow
36 #define ACCEL_OBJECTS(a) (a)->acceleratables
37 #define ACCEL_OBJ_CAST(obj) ((GtkWindow*) obj)
38 #else // GTK+ 1.x
39 #define ACCEL_OBJECT GtkObject
40 #define ACCEL_OBJECTS(a) (a)->attach_objects
41 #define ACCEL_OBJ_CAST(obj) GTK_OBJECT(obj)
42 #endif
43
44 // we use normal item but with a special id for the menu title
45 static const int wxGTK_TITLE_ID = -3;
46
47 //-----------------------------------------------------------------------------
48 // idle system
49 //-----------------------------------------------------------------------------
50
51 #if wxUSE_ACCEL
52 static wxString GetGtkHotKey( const wxMenuItem& item );
53 #endif
54
55 //-----------------------------------------------------------------------------
56 // idle system
57 //-----------------------------------------------------------------------------
58
59 static wxString wxReplaceUnderscore( const wxString& title )
60 {
61 const wxChar *pc;
62
63 // GTK 1.2 wants to have "_" instead of "&" for accelerators
64 wxString str;
65 pc = title;
66 while (*pc != wxT('\0'))
67 {
68 if ((*pc == wxT('&')) && (*(pc+1) == wxT('&')))
69 {
70 // "&" is doubled to indicate "&" instead of accelerator
71 ++pc;
72 str << wxT('&');
73 }
74 else if (*pc == wxT('&'))
75 {
76 str << wxT('_');
77 }
78 else
79 {
80 if ( *pc == wxT('_') )
81 {
82 // underscores must be doubled to prevent them from being
83 // interpreted as accelerator character prefix by GTK
84 str << *pc;
85 }
86
87 str << *pc;
88 }
89 ++pc;
90 }
91
92 // wxPrintf( wxT("before %s after %s\n"), title.c_str(), str.c_str() );
93
94 return str;
95 }
96
97 //-----------------------------------------------------------------------------
98 // activate message from GTK
99 //-----------------------------------------------------------------------------
100
101 static void DoCommonMenuCallbackCode(wxMenu *menu, wxMenuEvent& event)
102 {
103 if (g_isIdle)
104 wxapp_install_idle_handler();
105
106 event.SetEventObject( menu );
107
108 wxEvtHandler* handler = menu->GetEventHandler();
109 if (handler && handler->ProcessEvent(event))
110 return;
111
112 wxWindow *win = menu->GetInvokingWindow();
113 if (win)
114 win->GetEventHandler()->ProcessEvent( event );
115 }
116
117 extern "C" {
118
119 static void gtk_menu_open_callback( GtkWidget *widget, wxMenu *menu )
120 {
121 wxMenuEvent event(wxEVT_MENU_OPEN, -1, menu);
122
123 DoCommonMenuCallbackCode(menu, event);
124 }
125
126 static void gtk_menu_close_callback( GtkWidget *widget, wxMenuBar *menubar )
127 {
128 if ( !menubar->GetMenuCount() )
129 {
130 // if menubar is empty we can't call GetMenu(0) below
131 return;
132 }
133
134 wxMenuEvent event( wxEVT_MENU_CLOSE, -1, NULL );
135
136 DoCommonMenuCallbackCode(menubar->GetMenu(0), event);
137 }
138
139 }
140
141 //-----------------------------------------------------------------------------
142 // wxMenuBar
143 //-----------------------------------------------------------------------------
144
145 IMPLEMENT_DYNAMIC_CLASS(wxMenuBar,wxWindow)
146
147 void wxMenuBar::Init(size_t n, wxMenu *menus[], const wxString titles[], long style)
148 {
149 // the parent window is known after wxFrame::SetMenu()
150 m_needParent = FALSE;
151 m_style = style;
152 m_invokingWindow = (wxWindow*) NULL;
153
154 if (!PreCreation( (wxWindow*) NULL, wxDefaultPosition, wxDefaultSize ) ||
155 !CreateBase( (wxWindow*) NULL, -1, wxDefaultPosition, wxDefaultSize, style, wxDefaultValidator, wxT("menubar") ))
156 {
157 wxFAIL_MSG( wxT("wxMenuBar creation failed") );
158 return;
159 }
160
161 m_menubar = gtk_menu_bar_new();
162
163 if (style & wxMB_DOCKABLE)
164 {
165 m_widget = gtk_handle_box_new();
166 gtk_container_add( GTK_CONTAINER(m_widget), GTK_WIDGET(m_menubar) );
167 gtk_widget_show( GTK_WIDGET(m_menubar) );
168 }
169 else
170 {
171 m_widget = GTK_WIDGET(m_menubar);
172 }
173
174 PostCreation();
175
176 ApplyWidgetStyle();
177
178 for (size_t i = 0; i < n; ++i )
179 Append(menus[i], titles[i]);
180
181 // VZ: for some reason connecting to menus "deactivate" doesn't work (we
182 // don't get it when the menu is dismissed by clicking outside the
183 // toolbar) so we connect to the global one, even if it means that we
184 // can't pass the menu which was closed in wxMenuEvent object
185 g_signal_connect (m_menubar, "deactivate",
186 G_CALLBACK (gtk_menu_close_callback), this);
187
188 }
189
190 wxMenuBar::wxMenuBar(size_t n, wxMenu *menus[], const wxString titles[], long style)
191 {
192 Init(n, menus, titles, style);
193 }
194
195 wxMenuBar::wxMenuBar(long style)
196 {
197 Init(0, NULL, NULL, style);
198 }
199
200 wxMenuBar::wxMenuBar()
201 {
202 Init(0, NULL, NULL, 0);
203 }
204
205 wxMenuBar::~wxMenuBar()
206 {
207 }
208
209 static 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 wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
218 while (node)
219 {
220 wxMenuItem *menuitem = node->GetData();
221 if (menuitem->IsSubMenu())
222 wxMenubarUnsetInvokingWindow( menuitem->GetSubMenu(), win );
223 node = node->GetNext();
224 }
225 }
226
227 static void wxMenubarSetInvokingWindow( wxMenu *menu, wxWindow *win )
228 {
229 menu->SetInvokingWindow( win );
230
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 ACCEL_OBJECT *obj = ACCEL_OBJ_CAST(top_frame->m_widget);
237 if ( !g_slist_find( ACCEL_OBJECTS(menu->m_accel), obj ) )
238 gtk_accel_group_attach( menu->m_accel, obj );
239
240 wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
241 while (node)
242 {
243 wxMenuItem *menuitem = node->GetData();
244 if (menuitem->IsSubMenu())
245 wxMenubarSetInvokingWindow( menuitem->GetSubMenu(), win );
246 node = node->GetNext();
247 }
248 }
249
250 void wxMenuBar::SetInvokingWindow( wxWindow *win )
251 {
252 m_invokingWindow = win;
253 wxWindow *top_frame = win;
254 while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
255 top_frame = top_frame->GetParent();
256
257 wxMenuList::compatibility_iterator node = m_menus.GetFirst();
258 while (node)
259 {
260 wxMenu *menu = node->GetData();
261 wxMenubarSetInvokingWindow( menu, win );
262 node = node->GetNext();
263 }
264 }
265
266 void wxMenuBar::UnsetInvokingWindow( wxWindow *win )
267 {
268 m_invokingWindow = (wxWindow*) NULL;
269 wxWindow *top_frame = win;
270 while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
271 top_frame = top_frame->GetParent();
272
273 wxMenuList::compatibility_iterator node = m_menus.GetFirst();
274 while (node)
275 {
276 wxMenu *menu = node->GetData();
277 wxMenubarUnsetInvokingWindow( menu, win );
278 node = node->GetNext();
279 }
280 }
281
282 bool wxMenuBar::Append( wxMenu *menu, const wxString &title )
283 {
284 if ( !wxMenuBarBase::Append( menu, title ) )
285 return FALSE;
286
287 return GtkAppend(menu, title);
288 }
289
290 bool wxMenuBar::GtkAppend(wxMenu *menu, const wxString& title, int pos)
291 {
292 wxString str( wxReplaceUnderscore( title ) );
293
294 // This doesn't have much effect right now.
295 menu->SetTitle( str );
296
297 // The "m_owner" is the "menu item"
298 menu->m_owner = gtk_menu_item_new_with_mnemonic( wxGTK_CONV( str ) );
299
300 gtk_widget_show( menu->m_owner );
301
302 gtk_menu_item_set_submenu( GTK_MENU_ITEM(menu->m_owner), menu->m_menu );
303
304 if (pos == -1)
305 gtk_menu_shell_append( GTK_MENU_SHELL(m_menubar), menu->m_owner );
306 else
307 gtk_menu_shell_insert( GTK_MENU_SHELL(m_menubar), menu->m_owner, pos );
308
309 g_signal_connect (menu->m_owner, "activate",
310 G_CALLBACK (gtk_menu_open_callback),
311 menu);
312
313 // m_invokingWindow is set after wxFrame::SetMenuBar(). This call enables
314 // addings menu later on.
315 if (m_invokingWindow)
316 {
317 wxMenubarSetInvokingWindow( menu, m_invokingWindow );
318
319 // OPTIMISE ME: we should probably cache this, or pass it
320 // directly, but for now this is a minimal
321 // change to validate the new dynamic sizing.
322 // see (and refactor :) similar code in Remove
323 // below.
324
325 wxFrame *frame = wxDynamicCast( m_invokingWindow, wxFrame );
326
327 if( frame )
328 frame->UpdateMenuBarSize();
329 }
330
331 return TRUE;
332 }
333
334 bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title)
335 {
336 if ( !wxMenuBarBase::Insert(pos, menu, title) )
337 return FALSE;
338
339 // TODO
340
341 if ( !GtkAppend(menu, title, (int)pos) )
342 return FALSE;
343
344 return TRUE;
345 }
346
347 wxMenu *wxMenuBar::Replace(size_t pos, wxMenu *menu, const wxString& title)
348 {
349 // remove the old item and insert a new one
350 wxMenu *menuOld = Remove(pos);
351 if ( menuOld && !Insert(pos, menu, title) )
352 {
353 return (wxMenu*) NULL;
354 }
355
356 // either Insert() succeeded or Remove() failed and menuOld is NULL
357 return menuOld;
358 }
359
360 wxMenu *wxMenuBar::Remove(size_t pos)
361 {
362 wxMenu *menu = wxMenuBarBase::Remove(pos);
363 if ( !menu )
364 return (wxMenu*) NULL;
365
366 gtk_menu_item_remove_submenu( GTK_MENU_ITEM(menu->m_owner) );
367 gtk_container_remove(GTK_CONTAINER(m_menubar), menu->m_owner);
368
369 gtk_widget_destroy( menu->m_owner );
370 menu->m_owner = NULL;
371
372 if (m_invokingWindow)
373 {
374 // OPTIMISE ME: see comment in GtkAppend
375 wxFrame *frame = wxDynamicCast( m_invokingWindow, wxFrame );
376
377 if( frame )
378 frame->UpdateMenuBarSize();
379 }
380
381 return menu;
382 }
383
384 static int FindMenuItemRecursive( const wxMenu *menu, const wxString &menuString, const wxString &itemString )
385 {
386 if (wxMenuItem::GetLabelFromText(menu->GetTitle()) == wxMenuItem::GetLabelFromText(menuString))
387 {
388 int res = menu->FindItem( itemString );
389 if (res != wxNOT_FOUND)
390 return res;
391 }
392
393 wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
394 while (node)
395 {
396 wxMenuItem *item = node->GetData();
397 if (item->IsSubMenu())
398 return FindMenuItemRecursive(item->GetSubMenu(), menuString, itemString);
399
400 node = node->GetNext();
401 }
402
403 return wxNOT_FOUND;
404 }
405
406 int wxMenuBar::FindMenuItem( const wxString &menuString, const wxString &itemString ) const
407 {
408 wxMenuList::compatibility_iterator node = m_menus.GetFirst();
409 while (node)
410 {
411 wxMenu *menu = node->GetData();
412 int res = FindMenuItemRecursive( menu, menuString, itemString);
413 if (res != -1)
414 return res;
415 node = node->GetNext();
416 }
417
418 return wxNOT_FOUND;
419 }
420
421 // Find a wxMenuItem using its id. Recurses down into sub-menus
422 static wxMenuItem* FindMenuItemByIdRecursive(const wxMenu* menu, int id)
423 {
424 wxMenuItem* result = menu->FindChildItem(id);
425
426 wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
427 while ( node && result == NULL )
428 {
429 wxMenuItem *item = node->GetData();
430 if (item->IsSubMenu())
431 {
432 result = FindMenuItemByIdRecursive( item->GetSubMenu(), id );
433 }
434 node = node->GetNext();
435 }
436
437 return result;
438 }
439
440 wxMenuItem* wxMenuBar::FindItem( int id, wxMenu **menuForItem ) const
441 {
442 wxMenuItem* result = 0;
443 wxMenuList::compatibility_iterator node = m_menus.GetFirst();
444 while (node && result == 0)
445 {
446 wxMenu *menu = node->GetData();
447 result = FindMenuItemByIdRecursive( menu, id );
448 node = node->GetNext();
449 }
450
451 if ( menuForItem )
452 {
453 *menuForItem = result ? result->GetMenu() : (wxMenu *)NULL;
454 }
455
456 return result;
457 }
458
459 void wxMenuBar::EnableTop( size_t pos, bool flag )
460 {
461 wxMenuList::compatibility_iterator node = m_menus.Item( pos );
462
463 wxCHECK_RET( node, wxT("menu not found") );
464
465 wxMenu* menu = node->GetData();
466
467 if (menu->m_owner)
468 gtk_widget_set_sensitive( menu->m_owner, flag );
469 }
470
471 wxString wxMenuBar::GetLabelTop( size_t pos ) const
472 {
473 wxMenuList::compatibility_iterator node = m_menus.Item( pos );
474
475 wxCHECK_MSG( node, wxT("invalid"), wxT("menu not found") );
476
477 wxMenu* menu = node->GetData();
478
479 wxString label;
480 wxString text( menu->GetTitle() );
481 for ( const wxChar *pc = text.c_str(); *pc; pc++ )
482 {
483 if ( *pc == wxT('_') )
484 {
485 // '_' is the escape character for GTK+
486 continue;
487 }
488
489 // don't remove ampersands '&' since if we have them in the menu title
490 // it means that they were doubled to indicate "&" instead of accelerator
491
492 label += *pc;
493 }
494
495 return label;
496 }
497
498 void wxMenuBar::SetLabelTop( size_t pos, const wxString& label )
499 {
500 wxMenuList::compatibility_iterator node = m_menus.Item( pos );
501
502 wxCHECK_RET( node, wxT("menu not found") );
503
504 wxMenu* menu = node->GetData();
505
506 const wxString str( wxReplaceUnderscore( label ) );
507
508 menu->SetTitle( str );
509
510 if (menu->m_owner)
511 gtk_label_set_text_with_mnemonic( GTK_LABEL( GTK_BIN(menu->m_owner)->child), wxGTK_CONV(str) );
512 }
513
514 //-----------------------------------------------------------------------------
515 // "activate"
516 //-----------------------------------------------------------------------------
517
518 extern "C" {
519 static void gtk_menu_clicked_callback( GtkWidget *widget, wxMenu *menu )
520 {
521 if (g_isIdle)
522 wxapp_install_idle_handler();
523
524 int id = menu->FindMenuIdByMenuItem(widget);
525
526 /* should find it for normal (not popup) menu */
527 wxASSERT_MSG( (id != -1) || (menu->GetInvokingWindow() != NULL),
528 _T("menu item not found in gtk_menu_clicked_callback") );
529
530 if (!menu->IsEnabled(id))
531 return;
532
533 wxMenuItem* item = menu->FindChildItem( id );
534 wxCHECK_RET( item, wxT("error in menu item callback") );
535
536 if ( item->GetId() == wxGTK_TITLE_ID )
537 {
538 // ignore events from the menu title
539 return;
540 }
541
542 if (item->IsCheckable())
543 {
544 bool isReallyChecked = item->IsChecked(),
545 isInternallyChecked = item->wxMenuItemBase::IsChecked();
546
547 // ensure that the internal state is always consistent with what is
548 // shown on the screen
549 item->wxMenuItemBase::Check(isReallyChecked);
550
551 // we must not report the events for the radio button going up nor the
552 // events resulting from the calls to wxMenuItem::Check()
553 if ( (item->GetKind() == wxITEM_RADIO && !isReallyChecked) ||
554 (isInternallyChecked == isReallyChecked) )
555 {
556 return;
557 }
558 }
559
560
561 // Is this menu on a menubar? (possibly nested)
562 wxFrame* frame = NULL;
563 if(menu->IsAttached())
564 frame = menu->GetMenuBar()->GetFrame();
565
566 // FIXME: why do we have to call wxFrame::GetEventHandler() directly here?
567 // normally wxMenu::SendEvent() should be enough, if it doesn't work
568 // in wxGTK then we have a bug in wxMenu::GetInvokingWindow() which
569 // should be fixed instead of working around it here...
570 if (frame)
571 {
572 // If it is attached then let the frame send the event.
573 // Don't call frame->ProcessCommand(id) because it toggles
574 // checkable items and we've already done that above.
575 wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, id);
576 commandEvent.SetEventObject(frame);
577 if (item->IsCheckable())
578 commandEvent.SetInt(item->IsChecked());
579 commandEvent.SetEventObject(menu);
580
581 frame->GetEventHandler()->ProcessEvent(commandEvent);
582 }
583 else
584 {
585 // otherwise let the menu have it
586 menu->SendEvent(id, item->IsCheckable() ? item->IsChecked() : -1);
587 }
588 }
589 }
590
591 //-----------------------------------------------------------------------------
592 // "select"
593 //-----------------------------------------------------------------------------
594
595 extern "C" {
596 static void gtk_menu_hilight_callback( GtkWidget *widget, wxMenu *menu )
597 {
598 if (g_isIdle) wxapp_install_idle_handler();
599
600 int id = menu->FindMenuIdByMenuItem(widget);
601
602 wxASSERT( id != -1 ); // should find it!
603
604 if (!menu->IsEnabled(id))
605 return;
606
607 wxMenuEvent event( wxEVT_MENU_HIGHLIGHT, id );
608 event.SetEventObject( menu );
609
610 wxEvtHandler* handler = menu->GetEventHandler();
611 if (handler && handler->ProcessEvent(event))
612 return;
613
614 wxWindow *win = menu->GetInvokingWindow();
615 if (win) win->GetEventHandler()->ProcessEvent( event );
616 }
617 }
618
619 //-----------------------------------------------------------------------------
620 // "deselect"
621 //-----------------------------------------------------------------------------
622
623 extern "C" {
624 static void gtk_menu_nolight_callback( GtkWidget *widget, wxMenu *menu )
625 {
626 if (g_isIdle) wxapp_install_idle_handler();
627
628 int id = menu->FindMenuIdByMenuItem(widget);
629
630 wxASSERT( id != -1 ); // should find it!
631
632 if (!menu->IsEnabled(id))
633 return;
634
635 wxMenuEvent event( wxEVT_MENU_HIGHLIGHT, -1 );
636 event.SetEventObject( menu );
637
638 wxEvtHandler* handler = menu->GetEventHandler();
639 if (handler && handler->ProcessEvent(event))
640 return;
641
642 wxWindow *win = menu->GetInvokingWindow();
643 if (win)
644 win->GetEventHandler()->ProcessEvent( event );
645 }
646 }
647
648 //-----------------------------------------------------------------------------
649 // wxMenuItem
650 //-----------------------------------------------------------------------------
651
652 IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject)
653
654 wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu,
655 int id,
656 const wxString& name,
657 const wxString& help,
658 wxItemKind kind,
659 wxMenu *subMenu)
660 {
661 return new wxMenuItem(parentMenu, id, name, help, kind, subMenu);
662 }
663
664 wxMenuItem::wxMenuItem(wxMenu *parentMenu,
665 int id,
666 const wxString& text,
667 const wxString& help,
668 wxItemKind kind,
669 wxMenu *subMenu)
670 : wxMenuItemBase(parentMenu, id, text, help, kind, subMenu)
671 {
672 Init(text);
673 }
674
675 wxMenuItem::wxMenuItem(wxMenu *parentMenu,
676 int id,
677 const wxString& text,
678 const wxString& help,
679 bool isCheckable,
680 wxMenu *subMenu)
681 : wxMenuItemBase(parentMenu, id, text, help,
682 isCheckable ? wxITEM_CHECK : wxITEM_NORMAL, subMenu)
683 {
684 Init(text);
685 }
686
687 void wxMenuItem::Init(const wxString& text)
688 {
689 m_labelWidget = (GtkWidget *) NULL;
690 m_menuItem = (GtkWidget *) NULL;
691
692 DoSetText(text);
693 }
694
695 wxMenuItem::~wxMenuItem()
696 {
697 // don't delete menu items, the menus take care of that
698 }
699
700 // return the menu item text without any menu accels
701 /* static */
702 wxString wxMenuItemBase::GetLabelFromText(const wxString& text)
703 {
704 wxString label;
705
706 for ( const wxChar *pc = text.c_str(); *pc; pc++ )
707 {
708 if ( *pc == wxT('\t'))
709 break;
710
711 if ( *pc == wxT('_') )
712 {
713 // GTK 1.2 escapes "xxx_xxx" to "xxx__xxx"
714 pc++;
715 label += *pc;
716 continue;
717 }
718
719 if ( *pc == wxT('\\') )
720 {
721 // GTK 2.0 escapes "xxx/xxx" to "xxx\/xxx"
722 pc++;
723 label += *pc;
724 continue;
725 }
726
727 if ( (*pc == wxT('&')) && (*(pc+1) != wxT('&')) )
728 {
729 // wxMSW escapes "&"
730 // "&" is doubled to indicate "&" instead of accelerator
731 continue;
732 }
733
734 label += *pc;
735 }
736
737 // wxPrintf( wxT("GetLabelFromText(): text %s label %s\n"), text.c_str(), label.c_str() );
738
739 return label;
740 }
741
742 void wxMenuItem::SetText( const wxString& str )
743 {
744 // Some optimization to avoid flicker
745 wxString oldLabel = m_text;
746 oldLabel = wxStripMenuCodes(oldLabel);
747 oldLabel.Replace(wxT("_"), wxT(""));
748 wxString label1 = wxStripMenuCodes(str);
749 wxString oldhotkey = GetHotKey(); // Store the old hotkey in Ctrl-foo format
750 wxCharBuffer oldbuf = wxGTK_CONV_SYS( GetGtkHotKey(*this) ); // and as <control>foo
751
752 DoSetText(str);
753
754 if (oldLabel == label1 &&
755 oldhotkey == GetHotKey()) // Make sure we can change a hotkey even if the label is unaltered
756 return;
757
758 if (m_menuItem)
759 {
760 GtkLabel *label;
761 if (m_labelWidget)
762 label = (GtkLabel*) m_labelWidget;
763 else
764 label = GTK_LABEL( GTK_BIN(m_menuItem)->child );
765
766 gtk_label_set_text_with_mnemonic( GTK_LABEL(label), wxGTK_CONV_SYS(m_text) );
767 }
768
769 guint accel_key;
770 GdkModifierType accel_mods;
771 gtk_accelerator_parse( (const char*) oldbuf, &accel_key, &accel_mods);
772 if (accel_key != 0)
773 {
774 gtk_widget_remove_accelerator( GTK_WIDGET(m_menuItem),
775 m_parentMenu->m_accel,
776 accel_key,
777 accel_mods );
778 }
779
780 wxCharBuffer buf = wxGTK_CONV_SYS( GetGtkHotKey(*this) );
781 gtk_accelerator_parse( (const char*) buf, &accel_key, &accel_mods);
782 if (accel_key != 0)
783 {
784 gtk_widget_add_accelerator( GTK_WIDGET(m_menuItem),
785 "activate",
786 m_parentMenu->m_accel,
787 accel_key,
788 accel_mods,
789 GTK_ACCEL_VISIBLE);
790 }
791 }
792
793 // it's valid for this function to be called even if m_menuItem == NULL
794 void wxMenuItem::DoSetText( const wxString& str )
795 {
796 // '\t' is the deliminator indicating a hot key
797 m_text.Empty();
798 const wxChar *pc = str;
799 while ( (*pc != wxT('\0')) && (*pc != wxT('\t')) )
800 {
801 if ((*pc == wxT('&')) && (*(pc+1) == wxT('&')))
802 {
803 // "&" is doubled to indicate "&" instead of accelerator
804 ++pc;
805 m_text << wxT('&');
806 }
807 else if (*pc == wxT('&'))
808 {
809 m_text << wxT('_');
810 }
811 else if ( *pc == wxT('_') ) // escape underscores
812 {
813 m_text << wxT("__");
814 }
815 else
816 {
817 m_text << *pc;
818 }
819 ++pc;
820 }
821
822 m_hotKey = wxT("");
823
824 if(*pc == wxT('\t'))
825 {
826 pc++;
827 m_hotKey = pc;
828 }
829
830 // wxPrintf( wxT("DoSetText(): str %s m_text %s hotkey %s\n"), str.c_str(), m_text.c_str(), m_hotKey.c_str() );
831 }
832
833 #if wxUSE_ACCEL
834
835 wxAcceleratorEntry *wxMenuItem::GetAccel() const
836 {
837 if ( !GetHotKey() )
838 {
839 // nothing
840 return (wxAcceleratorEntry *)NULL;
841 }
842
843 // as wxGetAccelFromString() looks for TAB, insert a dummy one here
844 wxString label;
845 label << wxT('\t') << GetHotKey();
846
847 return wxGetAccelFromString(label);
848 }
849
850 #endif // wxUSE_ACCEL
851
852 void wxMenuItem::Check( bool check )
853 {
854 wxCHECK_RET( m_menuItem, wxT("invalid menu item") );
855
856 if (check == m_isChecked)
857 return;
858
859 wxMenuItemBase::Check( check );
860
861 switch ( GetKind() )
862 {
863 case wxITEM_CHECK:
864 case wxITEM_RADIO:
865 gtk_check_menu_item_set_active( (GtkCheckMenuItem*)m_menuItem, (gint)check );
866 break;
867
868 default:
869 wxFAIL_MSG( _T("can't check this item") );
870 }
871 }
872
873 void wxMenuItem::Enable( bool enable )
874 {
875 wxCHECK_RET( m_menuItem, wxT("invalid menu item") );
876
877 gtk_widget_set_sensitive( m_menuItem, enable );
878 wxMenuItemBase::Enable( enable );
879 }
880
881 bool wxMenuItem::IsChecked() const
882 {
883 wxCHECK_MSG( m_menuItem, FALSE, wxT("invalid menu item") );
884
885 wxCHECK_MSG( IsCheckable(), FALSE,
886 wxT("can't get state of uncheckable item!") );
887
888 return ((GtkCheckMenuItem*)m_menuItem)->active != 0;
889 }
890
891 //-----------------------------------------------------------------------------
892 // wxMenu
893 //-----------------------------------------------------------------------------
894
895 IMPLEMENT_DYNAMIC_CLASS(wxMenu,wxEvtHandler)
896
897 void wxMenu::Init()
898 {
899 m_accel = gtk_accel_group_new();
900 m_menu = gtk_menu_new();
901 // NB: keep reference to the menu so that it is not destroyed behind
902 // our back by GTK+ e.g. when it is removed from menubar:
903 gtk_widget_ref(m_menu);
904
905 m_owner = (GtkWidget*) NULL;
906
907 // Tearoffs are entries, just like separators. So if we want this
908 // menu to be a tear-off one, we just append a tearoff entry
909 // immediately.
910 if ( m_style & wxMENU_TEAROFF )
911 {
912 GtkWidget *tearoff = gtk_tearoff_menu_item_new();
913
914 gtk_menu_shell_append(GTK_MENU_SHELL(m_menu), tearoff);
915 }
916
917 m_prevRadio = NULL;
918
919 // append the title as the very first entry if we have it
920 if ( !m_title.empty() )
921 {
922 Append(wxGTK_TITLE_ID, m_title);
923 AppendSeparator();
924 }
925 }
926
927 wxMenu::~wxMenu()
928 {
929 WX_CLEAR_LIST(wxMenuItemList, m_items);
930
931 if ( GTK_IS_WIDGET( m_menu ))
932 {
933 // see wxMenu::Init
934 gtk_widget_unref( m_menu );
935 // if the menu is inserted in another menu at this time, there was
936 // one more reference to it:
937 if ( m_owner )
938 gtk_widget_destroy( m_menu );
939 }
940 }
941
942 bool wxMenu::GtkAppend(wxMenuItem *mitem, int pos)
943 {
944 GtkWidget *menuItem;
945
946 wxString text;
947
948 if ( mitem->IsSeparator() )
949 {
950 menuItem = gtk_separator_menu_item_new();
951 }
952 else if (mitem->GetBitmap().Ok())
953 {
954 text = mitem->GetText();
955 const wxBitmap *bitmap = &mitem->GetBitmap();
956
957 menuItem = gtk_image_menu_item_new_with_mnemonic( wxGTK_CONV_SYS( text ) );
958
959 GtkWidget *image;
960 if (bitmap->HasPixbuf())
961 {
962 image = gtk_image_new_from_pixbuf(bitmap->GetPixbuf());
963 }
964 else
965 {
966 GdkPixmap *gdk_pixmap = bitmap->GetPixmap();
967 GdkBitmap *gdk_bitmap = bitmap->GetMask() ?
968 bitmap->GetMask()->GetBitmap() :
969 (GdkBitmap*) NULL;
970 image = gtk_image_new_from_pixmap( gdk_pixmap, gdk_bitmap );
971 }
972
973 gtk_widget_show(image);
974
975 gtk_image_menu_item_set_image( GTK_IMAGE_MENU_ITEM(menuItem), image );
976
977 m_prevRadio = NULL;
978 }
979 else // a normal item
980 {
981 // text has "_" instead of "&" after mitem->SetText() so don't use it
982 text = mitem->GetText() ;
983
984 switch ( mitem->GetKind() )
985 {
986 case wxITEM_CHECK:
987 {
988 menuItem = gtk_check_menu_item_new_with_mnemonic( wxGTK_CONV_SYS( text ) );
989 m_prevRadio = NULL;
990 break;
991 }
992
993 case wxITEM_RADIO:
994 {
995 GSList *group = NULL;
996 if ( m_prevRadio == NULL )
997 {
998 // start of a new radio group
999 m_prevRadio = menuItem =
1000 gtk_radio_menu_item_new_with_mnemonic( group, wxGTK_CONV_SYS( text ) );
1001 }
1002 else // continue the radio group
1003 {
1004 group = gtk_radio_menu_item_get_group (GTK_RADIO_MENU_ITEM (m_prevRadio));
1005 m_prevRadio = menuItem =
1006 gtk_radio_menu_item_new_with_mnemonic( group, wxGTK_CONV_SYS( text ) );
1007 }
1008 break;
1009 }
1010
1011 default:
1012 wxFAIL_MSG( _T("unexpected menu item kind") );
1013 // fall through
1014
1015 case wxITEM_NORMAL:
1016 {
1017 menuItem = gtk_menu_item_new_with_mnemonic( wxGTK_CONV_SYS( text ) );
1018 m_prevRadio = NULL;
1019 break;
1020 }
1021 }
1022
1023 }
1024
1025 guint accel_key;
1026 GdkModifierType accel_mods;
1027 wxCharBuffer buf = wxGTK_CONV_SYS( GetGtkHotKey(*mitem) );
1028
1029 // wxPrintf( wxT("item: %s hotkey %s\n"), mitem->GetText().c_str(), GetGtkHotKey(*mitem).c_str() );
1030 gtk_accelerator_parse( (const char*) buf, &accel_key, &accel_mods);
1031 if (accel_key != 0)
1032 {
1033 gtk_widget_add_accelerator (GTK_WIDGET(menuItem),
1034 "activate",
1035 m_accel,
1036 accel_key,
1037 accel_mods,
1038 GTK_ACCEL_VISIBLE);
1039 }
1040
1041 if (pos == -1)
1042 gtk_menu_shell_append(GTK_MENU_SHELL(m_menu), menuItem);
1043 else
1044 gtk_menu_shell_insert(GTK_MENU_SHELL(m_menu), menuItem, pos);
1045
1046 gtk_widget_show( menuItem );
1047
1048 if ( !mitem->IsSeparator() )
1049 {
1050 wxASSERT_MSG( menuItem, wxT("invalid menuitem") );
1051
1052 g_signal_connect (menuItem, "select",
1053 G_CALLBACK (gtk_menu_hilight_callback), this);
1054 g_signal_connect (menuItem, "deselect",
1055 G_CALLBACK (gtk_menu_nolight_callback), this);
1056
1057 if ( mitem->IsSubMenu() && mitem->GetKind() != wxITEM_RADIO && mitem->GetKind() != wxITEM_CHECK )
1058 {
1059 gtk_menu_item_set_submenu( GTK_MENU_ITEM(menuItem), mitem->GetSubMenu()->m_menu );
1060
1061 gtk_widget_show( mitem->GetSubMenu()->m_menu );
1062
1063 // if adding a submenu to a menu already existing in the menu bar, we
1064 // must set invoking window to allow processing events from this
1065 // submenu
1066 if ( m_invokingWindow )
1067 wxMenubarSetInvokingWindow(mitem->GetSubMenu(), m_invokingWindow);
1068 }
1069 else
1070 {
1071 g_signal_connect (menuItem, "activate",
1072 G_CALLBACK (gtk_menu_clicked_callback),
1073 this);
1074 }
1075 }
1076
1077 mitem->SetMenuItem(menuItem);
1078
1079 if (ms_locked)
1080 {
1081 // This doesn't even exist!
1082 // gtk_widget_lock_accelerators(mitem->GetMenuItem());
1083 }
1084
1085 return TRUE;
1086 }
1087
1088 wxMenuItem* wxMenu::DoAppend(wxMenuItem *mitem)
1089 {
1090 if (!GtkAppend(mitem))
1091 return NULL;
1092
1093 return wxMenuBase::DoAppend(mitem);
1094 }
1095
1096 wxMenuItem* wxMenu::DoInsert(size_t pos, wxMenuItem *item)
1097 {
1098 if ( !wxMenuBase::DoInsert(pos, item) )
1099 return NULL;
1100
1101 // TODO
1102 if ( !GtkAppend(item, (int)pos) )
1103 return NULL;
1104
1105 return item;
1106 }
1107
1108 wxMenuItem *wxMenu::DoRemove(wxMenuItem *item)
1109 {
1110 if ( !wxMenuBase::DoRemove(item) )
1111 return (wxMenuItem *)NULL;
1112
1113 // TODO: this code doesn't delete the item factory item and this seems
1114 // impossible as of GTK 1.2.6.
1115 gtk_widget_destroy( item->GetMenuItem() );
1116
1117 return item;
1118 }
1119
1120 int wxMenu::FindMenuIdByMenuItem( GtkWidget *menuItem ) const
1121 {
1122 wxMenuItemList::compatibility_iterator node = m_items.GetFirst();
1123 while (node)
1124 {
1125 wxMenuItem *item = node->GetData();
1126 if (item->GetMenuItem() == menuItem)
1127 return item->GetId();
1128 node = node->GetNext();
1129 }
1130
1131 return wxNOT_FOUND;
1132 }
1133
1134 // ----------------------------------------------------------------------------
1135 // helpers
1136 // ----------------------------------------------------------------------------
1137
1138 #if wxUSE_ACCEL
1139
1140 static wxString GetGtkHotKey( const wxMenuItem& item )
1141 {
1142 wxString hotkey;
1143
1144 wxAcceleratorEntry *accel = item.GetAccel();
1145 if ( accel )
1146 {
1147 int flags = accel->GetFlags();
1148 if ( flags & wxACCEL_ALT )
1149 hotkey += wxT("<alt>");
1150 if ( flags & wxACCEL_CTRL )
1151 hotkey += wxT("<control>");
1152 if ( flags & wxACCEL_SHIFT )
1153 hotkey += wxT("<shift>");
1154
1155 int code = accel->GetKeyCode();
1156 switch ( code )
1157 {
1158 case WXK_F1:
1159 case WXK_F2:
1160 case WXK_F3:
1161 case WXK_F4:
1162 case WXK_F5:
1163 case WXK_F6:
1164 case WXK_F7:
1165 case WXK_F8:
1166 case WXK_F9:
1167 case WXK_F10:
1168 case WXK_F11:
1169 case WXK_F12:
1170 case WXK_F13:
1171 case WXK_F14:
1172 case WXK_F15:
1173 case WXK_F16:
1174 case WXK_F17:
1175 case WXK_F18:
1176 case WXK_F19:
1177 case WXK_F20:
1178 case WXK_F21:
1179 case WXK_F22:
1180 case WXK_F23:
1181 case WXK_F24:
1182 hotkey += wxString::Format(wxT("F%d"), code - WXK_F1 + 1);
1183 break;
1184
1185 // TODO: we should use gdk_keyval_name() (a.k.a.
1186 // XKeysymToString) here as well as hardcoding the keysym
1187 // names this might be not portable
1188 case WXK_INSERT:
1189 hotkey << wxT("Insert" );
1190 break;
1191 case WXK_DELETE:
1192 hotkey << wxT("Delete" );
1193 break;
1194 case WXK_UP:
1195 hotkey << wxT("Up" );
1196 break;
1197 case WXK_DOWN:
1198 hotkey << wxT("Down" );
1199 break;
1200 case WXK_PAGEUP:
1201 hotkey << wxT("PgUp" );
1202 break;
1203 case WXK_PAGEDOWN:
1204 hotkey << wxT("PgDn" );
1205 break;
1206 case WXK_LEFT:
1207 hotkey << wxT("Left" );
1208 break;
1209 case WXK_RIGHT:
1210 hotkey << wxT("Right" );
1211 break;
1212 case WXK_HOME:
1213 hotkey << wxT("Home" );
1214 break;
1215 case WXK_END:
1216 hotkey << wxT("End" );
1217 break;
1218 case WXK_RETURN:
1219 hotkey << wxT("Return" );
1220 break;
1221 case WXK_BACK:
1222 hotkey << wxT("BackSpace" );
1223 break;
1224 case WXK_TAB:
1225 hotkey << wxT("Tab" );
1226 break;
1227 case WXK_ESCAPE:
1228 hotkey << wxT("Esc" );
1229 break;
1230 case WXK_SPACE:
1231 hotkey << wxT("space" );
1232 break;
1233 case WXK_MULTIPLY:
1234 hotkey << wxT("Multiply" );
1235 break;
1236 case WXK_ADD:
1237 hotkey << wxT("Add" );
1238 break;
1239 case WXK_SEPARATOR:
1240 hotkey << wxT("Separator" );
1241 break;
1242 case WXK_SUBTRACT:
1243 hotkey << wxT("Subtract" );
1244 break;
1245 case WXK_DECIMAL:
1246 hotkey << wxT("Decimal" );
1247 break;
1248 case WXK_DIVIDE:
1249 hotkey << wxT("Divide" );
1250 break;
1251 case WXK_CANCEL:
1252 hotkey << wxT("Cancel" );
1253 break;
1254 case WXK_CLEAR:
1255 hotkey << wxT("Clear" );
1256 break;
1257 case WXK_MENU:
1258 hotkey << wxT("Menu" );
1259 break;
1260 case WXK_PAUSE:
1261 hotkey << wxT("Pause" );
1262 break;
1263 case WXK_CAPITAL:
1264 hotkey << wxT("Capital" );
1265 break;
1266 case WXK_SELECT:
1267 hotkey << wxT("Select" );
1268 break;
1269 case WXK_PRINT:
1270 hotkey << wxT("Print" );
1271 break;
1272 case WXK_EXECUTE:
1273 hotkey << wxT("Execute" );
1274 break;
1275 case WXK_SNAPSHOT:
1276 hotkey << wxT("Snapshot" );
1277 break;
1278 case WXK_HELP:
1279 hotkey << wxT("Help" );
1280 break;
1281 case WXK_NUMLOCK:
1282 hotkey << wxT("Num_Lock" );
1283 break;
1284 case WXK_SCROLL:
1285 hotkey << wxT("Scroll_Lock" );
1286 break;
1287 case WXK_NUMPAD_INSERT:
1288 hotkey << wxT("KP_Insert" );
1289 break;
1290 case WXK_NUMPAD_DELETE:
1291 hotkey << wxT("KP_Delete" );
1292 break;
1293 case WXK_NUMPAD_SPACE:
1294 hotkey << wxT("KP_Space" );
1295 break;
1296 case WXK_NUMPAD_TAB:
1297 hotkey << wxT("KP_Tab" );
1298 break;
1299 case WXK_NUMPAD_ENTER:
1300 hotkey << wxT("KP_Enter" );
1301 break;
1302 case WXK_NUMPAD_F1: case WXK_NUMPAD_F2: case WXK_NUMPAD_F3:
1303 case WXK_NUMPAD_F4:
1304 hotkey += wxString::Format(wxT("KP_F%d"), code - WXK_NUMPAD_F1 + 1);
1305 break;
1306 case WXK_NUMPAD_HOME:
1307 hotkey << wxT("KP_Home" );
1308 break;
1309 case WXK_NUMPAD_LEFT:
1310 hotkey << wxT("KP_Left" );
1311 break;
1312 case WXK_NUMPAD_UP:
1313 hotkey << wxT("KP_Up" );
1314 break;
1315 case WXK_NUMPAD_RIGHT:
1316 hotkey << wxT("KP_Right" );
1317 break;
1318 case WXK_NUMPAD_DOWN:
1319 hotkey << wxT("KP_Down" );
1320 break;
1321 case WXK_NUMPAD_PAGEUP:
1322 hotkey << wxT("KP_PgUp" );
1323 break;
1324 case WXK_NUMPAD_PAGEDOWN:
1325 hotkey << wxT("KP_PgDn" );
1326 break;
1327 case WXK_NUMPAD_END:
1328 hotkey << wxT("KP_End" );
1329 break;
1330 case WXK_NUMPAD_BEGIN:
1331 hotkey << wxT("KP_Begin" );
1332 break;
1333 case WXK_NUMPAD_EQUAL:
1334 hotkey << wxT("KP_Equal" );
1335 break;
1336 case WXK_NUMPAD_MULTIPLY:
1337 hotkey << wxT("KP_Multiply" );
1338 break;
1339 case WXK_NUMPAD_ADD:
1340 hotkey << wxT("KP_Add" );
1341 break;
1342 case WXK_NUMPAD_SEPARATOR:
1343 hotkey << wxT("KP_Separator" );
1344 break;
1345 case WXK_NUMPAD_SUBTRACT:
1346 hotkey << wxT("KP_Subtract" );
1347 break;
1348 case WXK_NUMPAD_DECIMAL:
1349 hotkey << wxT("KP_Decimal" );
1350 break;
1351 case WXK_NUMPAD_DIVIDE:
1352 hotkey << wxT("KP_Divide" );
1353 break;
1354 case WXK_NUMPAD0: case WXK_NUMPAD1: case WXK_NUMPAD2:
1355 case WXK_NUMPAD3: case WXK_NUMPAD4: case WXK_NUMPAD5:
1356 case WXK_NUMPAD6: case WXK_NUMPAD7: case WXK_NUMPAD8: case WXK_NUMPAD9:
1357 hotkey += wxString::Format(wxT("KP_%d"), code - WXK_NUMPAD0);
1358 break;
1359 case WXK_WINDOWS_LEFT:
1360 hotkey << wxT("Super_L" );
1361 break;
1362 case WXK_WINDOWS_RIGHT:
1363 hotkey << wxT("Super_R" );
1364 break;
1365 case WXK_WINDOWS_MENU:
1366 hotkey << wxT("Menu" );
1367 break;
1368 case WXK_COMMAND:
1369 hotkey << wxT("Command" );
1370 break;
1371 /* These probably wouldn't work as there is no SpecialX in gdk/keynames.txt
1372 case WXK_SPECIAL1: case WXK_SPECIAL2: case WXK_SPECIAL3: case WXK_SPECIAL4:
1373 case WXK_SPECIAL5: case WXK_SPECIAL6: case WXK_SPECIAL7: case WXK_SPECIAL8:
1374 case WXK_SPECIAL9: case WXK_SPECIAL10: case WXK_SPECIAL11: case WXK_SPECIAL12:
1375 case WXK_SPECIAL13: case WXK_SPECIAL14: case WXK_SPECIAL15: case WXK_SPECIAL16:
1376 case WXK_SPECIAL17: case WXK_SPECIAL18: case WXK_SPECIAL19: case WXK_SPECIAL20:
1377 hotkey += wxString::Format(wxT("Special%d"), code - WXK_SPECIAL1 + 1);
1378 break;
1379 */
1380 // if there are any other keys wxGetAccelFromString() may
1381 // return, we should process them here
1382
1383 default:
1384 if ( code < 127 )
1385 {
1386 wxString name = wxGTK_CONV_BACK( gdk_keyval_name((guint)code) );
1387 if ( name )
1388 {
1389 hotkey << name;
1390 break;
1391 }
1392 }
1393
1394 wxFAIL_MSG( wxT("unknown keyboard accel") );
1395 }
1396
1397 delete accel;
1398 }
1399
1400 return hotkey;
1401 }
1402
1403 #endif // wxUSE_ACCEL
1404
1405 // ----------------------------------------------------------------------------
1406 // Pop-up menu stuff
1407 // ----------------------------------------------------------------------------
1408
1409 #if wxUSE_MENUS_NATIVE
1410
1411 extern "C" WXDLLIMPEXP_CORE
1412 void gtk_pop_hide_callback( GtkWidget *WXUNUSED(widget), bool* is_waiting )
1413 {
1414 *is_waiting = FALSE;
1415 }
1416
1417 WXDLLIMPEXP_CORE void SetInvokingWindow( wxMenu *menu, wxWindow* win )
1418 {
1419 menu->SetInvokingWindow( win );
1420
1421 wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
1422 while (node)
1423 {
1424 wxMenuItem *menuitem = node->GetData();
1425 if (menuitem->IsSubMenu())
1426 {
1427 SetInvokingWindow( menuitem->GetSubMenu(), win );
1428 }
1429
1430 node = node->GetNext();
1431 }
1432 }
1433
1434 extern "C" WXDLLIMPEXP_CORE
1435 void wxPopupMenuPositionCallback( GtkMenu *menu,
1436 gint *x, gint *y,
1437 gboolean * WXUNUSED(whatever),
1438 gpointer user_data )
1439 {
1440 // ensure that the menu appears entirely on screen
1441 GtkRequisition req;
1442 gtk_widget_get_child_requisition(GTK_WIDGET(menu), &req);
1443
1444 wxSize sizeScreen = wxGetDisplaySize();
1445 wxPoint *pos = (wxPoint*)user_data;
1446
1447 gint xmax = sizeScreen.x - req.width,
1448 ymax = sizeScreen.y - req.height;
1449
1450 *x = pos->x < xmax ? pos->x : xmax;
1451 *y = pos->y < ymax ? pos->y : ymax;
1452 }
1453
1454 bool wxWindowGTK::DoPopupMenu( wxMenu *menu, int x, int y )
1455 {
1456 wxCHECK_MSG( m_widget != NULL, false, wxT("invalid window") );
1457
1458 wxCHECK_MSG( menu != NULL, false, wxT("invalid popup-menu") );
1459
1460 // NOTE: if you change this code, you need to update
1461 // the same code in taskbar.cpp as well. This
1462 // is ugly code duplication, I know.
1463
1464 SetInvokingWindow( menu, this );
1465
1466 menu->UpdateUI();
1467
1468 bool is_waiting = true;
1469
1470 gulong handler = g_signal_connect (menu->m_menu, "hide",
1471 G_CALLBACK (gtk_pop_hide_callback),
1472 &is_waiting);
1473
1474 wxPoint pos;
1475 gpointer userdata;
1476 GtkMenuPositionFunc posfunc;
1477 if ( x == -1 && y == -1 )
1478 {
1479 // use GTK's default positioning algorithm
1480 userdata = NULL;
1481 posfunc = NULL;
1482 }
1483 else
1484 {
1485 pos = ClientToScreen(wxPoint(x, y));
1486 userdata = &pos;
1487 posfunc = wxPopupMenuPositionCallback;
1488 }
1489
1490 wxMenuEvent eventOpen(wxEVT_MENU_OPEN, -1, menu);
1491 DoCommonMenuCallbackCode(menu, eventOpen);
1492
1493 gtk_menu_popup(
1494 GTK_MENU(menu->m_menu),
1495 (GtkWidget *) NULL, // parent menu shell
1496 (GtkWidget *) NULL, // parent menu item
1497 posfunc, // function to position it
1498 userdata, // client data
1499 0, // button used to activate it
1500 gtk_get_current_event_time()
1501 );
1502
1503 while (is_waiting)
1504 {
1505 gtk_main_iteration();
1506 }
1507
1508 g_signal_handler_disconnect (menu->m_menu, handler);
1509
1510 wxMenuEvent eventClose(wxEVT_MENU_CLOSE, -1, menu);
1511 DoCommonMenuCallbackCode(menu, eventClose);
1512
1513 return true;
1514 }
1515
1516 #endif // wxUSE_MENUS_NATIVE
1517