src/univ/menu.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        univ/menu.cpp
   3 // Purpose:     wxMenuItem, wxMenu and wxMenuBar implementation
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     25.08.00
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2000 SciTech Software, Inc. (www.scitechsoft.com)
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "univmenuitem.h"
  22     #pragma implementation "univmenu.h"
  23 #endif
  24
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include "wx/dynarray.h"
  33     #include "wx/control.h"      // for FindAccelIndex()
  34     #include "wx/menu.h"
  35     #include "wx/settings.h"
  36     #include "wx/accel.h"
  37     #include "wx/log.h"
  38 #endif // WX_PRECOMP
  39
  40 #if wxUSE_MENUS
  41
  42 #include "wx/popupwin.h"
  43 #include "wx/evtloop.h"
  44 #include "wx/dcclient.h"
  45 #include "wx/frame.h"
  46
  47 #include "wx/univ/renderer.h"
  48
  49 #ifdef __WXMSW__
  50     #include "wx/msw/private.h"
  51 #endif // __WXMSW__
  52
  53 // ----------------------------------------------------------------------------
  54 // wxMenuInfo contains all extra information about top level menus we need
  55 // ----------------------------------------------------------------------------
  56
  57 class WXDLLEXPORT wxMenuInfo
  58 {
  59 public:
  60     // ctor
  61     wxMenuInfo(const wxString& text)
  62     {
  63         SetLabel(text);
  64         SetEnabled();
  65     }
  66
  67     // modifiers
  68
  69     void SetLabel(const wxString& text)
  70     {
  71         // remember the accel char (may be -1 if none)
  72         m_indexAccel = wxControl::FindAccelIndex(text, &m_label);
  73
  74         // calculate the width later, after the menu bar is created
  75         m_width = 0;
  76     }
  77
  78     void SetEnabled(bool enabled = TRUE) { m_isEnabled = enabled; }
  79
  80     // accessors
  81
  82     const wxString& GetLabel() const { return m_label; }
  83     bool IsEnabled() const { return m_isEnabled; }
  84     wxCoord GetWidth(wxMenuBar *menubar) const
  85     {
  86         if ( !m_width )
  87         {
  88             wxConstCast(this, wxMenuInfo)->CalcWidth(menubar);
  89         }
  90
  91         return m_width;
  92     }
  93
  94     int GetAccelIndex() const { return m_indexAccel; }
  95
  96 private:
  97     void CalcWidth(wxMenuBar *menubar)
  98     {
  99         wxSize size;
 100         wxClientDC dc(menubar);
 101         dc.SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
 102         dc.GetTextExtent(m_label, &size.x, &size.y);
 103
 104         // adjust for the renderer we use and store the width
 105         m_width = menubar->GetRenderer()->GetMenuBarItemSize(size).x;
 106     }
 107
 108     wxString m_label;
 109     wxCoord m_width;
 110     int m_indexAccel;
 111     bool m_isEnabled;
 112 };
 113
 114 #include "wx/arrimpl.cpp"
 115
 116 WX_DEFINE_OBJARRAY(wxMenuInfoArray);
 117
 118 // ----------------------------------------------------------------------------
 119 // wxPopupMenuWindow: a popup window showing a menu
 120 // ----------------------------------------------------------------------------
 121
 122 class wxPopupMenuWindow : public wxPopupTransientWindow
 123 {
 124 public:
 125     wxPopupMenuWindow(wxWindow *parent, wxMenu *menu);
 126
 127     // override the base class version to select the first item initially
 128     virtual void Popup(wxWindow *focus = NULL);
 129
 130     // override the base class version to dismiss any open submenus
 131     virtual void Dismiss();
 132
 133     // notify the menu when the window disappears from screen
 134     virtual void OnDismiss();
 135
 136     // called when a submenu is dismissed
 137     void OnSubmenuDismiss() { m_hasOpenSubMenu = FALSE; }
 138
 139     // get the currently selected item (may be NULL)
 140     wxMenuItem *GetCurrentItem() const
 141     {
 142         return m_nodeCurrent ? m_nodeCurrent->GetData() : NULL;
 143     }
 144
 145     // find the menu item at given position
 146     wxMenuItemList::Node *GetMenuItemFromPoint(const wxPoint& pt) const;
 147
 148     // refresh the given item
 149     void RefreshItem(wxMenuItem *item);
 150
 151     // preselect the first item
 152     void SelectFirst() { SetCurrent(m_menu->GetMenuItems().GetFirst()); }
 153
 154     // process the key event, return TRUE if done
 155     bool ProcessKeyDown(int key);
 156
 157     // process mouse move event
 158     void ProcessMouseMove(const wxPoint& pt);
 159
 160     // don't dismiss the popup window if the parent menu was clicked
 161     virtual bool ProcessLeftDown(wxMouseEvent& event);
 162
 163 protected:
 164     // how did we perform this operation?
 165     enum InputMethod
 166     {
 167         WithKeyboard,
 168         WithMouse
 169     };
 170
 171     // draw the menu inside this window
 172     virtual void DoDraw(wxControlRenderer *renderer);
 173
 174     // event handlers
 175     void OnLeftUp(wxMouseEvent& event);
 176     void OnMouseMove(wxMouseEvent& event);
 177     void OnMouseLeave(wxMouseEvent& event);
 178     void OnKeyDown(wxKeyEvent& event);
 179
 180     // reset the current item and node
 181     void ResetCurrent();
 182
 183     // set the current node and item withotu refreshing anything
 184     void SetCurrent(wxMenuItemList::Node *node);
 185
 186     // change the current item refreshing the old and new items
 187     void ChangeCurrent(wxMenuItemList::Node *node);
 188
 189     // activate item, i.e. call either ClickItem() or OpenSubmenu() depending
 190     // on what it is, return TRUE if something was done (i.e. it's not a
 191     // separator...)
 192     bool ActivateItem(wxMenuItem *item, InputMethod how = WithKeyboard);
 193
 194     // send the event about the item click
 195     void ClickItem(wxMenuItem *item);
 196
 197     // show the submenu for this item
 198     void OpenSubmenu(wxMenuItem *item, InputMethod how = WithKeyboard);
 199
 200     // can this tiem be opened?
 201     bool CanOpen(wxMenuItem *item)
 202     {
 203         return item && item->IsEnabled() && item->IsSubMenu();
 204     }
 205
 206     // dismiss the menu and all parent menus too
 207     void DismissAndNotify();
 208
 209     // react to dimissing this menu and also dismiss the parent if
 210     // dismissParent
 211     void HandleDismiss(bool dismissParent);
 212
 213     // do we have an open submenu?
 214     bool HasOpenSubmenu() const { return m_hasOpenSubMenu; }
 215
 216     // get previous node after the current one
 217     wxMenuItemList::Node *GetPrevNode() const;
 218
 219     // get previous node before the given one, wrapping if it's the first one
 220     wxMenuItemList::Node *GetPrevNode(wxMenuItemList::Node *node) const;
 221
 222     // get next node after the current one
 223     wxMenuItemList::Node *GetNextNode() const;
 224
 225     // get next node after the given one, wrapping if it's the last one
 226     wxMenuItemList::Node *GetNextNode(wxMenuItemList::Node *node) const;
 227
 228 private:
 229     // the menu we show
 230     wxMenu *m_menu;
 231
 232     // the menu node corresponding to the current item
 233     wxMenuItemList::Node *m_nodeCurrent;
 234
 235     // do we currently have an opened submenu?
 236     bool m_hasOpenSubMenu;
 237
 238     DECLARE_EVENT_TABLE()
 239 };
 240
 241 // ----------------------------------------------------------------------------
 242 // wxMenuKbdRedirector: an event handler which redirects kbd input to wxMenu
 243 // ----------------------------------------------------------------------------
 244
 245 class wxMenuKbdRedirector : public wxEvtHandler
 246 {
 247 public:
 248     wxMenuKbdRedirector(wxMenu *menu) { m_menu = menu; }
 249
 250     virtual bool ProcessEvent(wxEvent& event)
 251     {
 252         if ( event.GetEventType() == wxEVT_KEY_DOWN )
 253         {
 254             return m_menu->ProcessKeyDown(((wxKeyEvent &)event).GetKeyCode());
 255         }
 256         else
 257         {
 258             return wxEvtHandler::ProcessEvent(event);
 259         }
 260     }
 261
 262 private:
 263     wxMenu *m_menu;
 264 };
 265
 266 // ----------------------------------------------------------------------------
 267 // wxWin macros
 268 // ----------------------------------------------------------------------------
 269
 270 IMPLEMENT_DYNAMIC_CLASS(wxMenu, wxEvtHandler)
 271 IMPLEMENT_DYNAMIC_CLASS(wxMenuBar, wxWindow)
 272 IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject)
 273
 274 BEGIN_EVENT_TABLE(wxPopupMenuWindow, wxPopupTransientWindow)
 275     EVT_KEY_DOWN(wxPopupMenuWindow::OnKeyDown)
 276
 277     EVT_LEFT_UP(wxPopupMenuWindow::OnLeftUp)
 278     EVT_MOTION(wxPopupMenuWindow::OnMouseMove)
 279     EVT_LEAVE_WINDOW(wxPopupMenuWindow::OnMouseLeave)
 280 END_EVENT_TABLE()
 281
 282 BEGIN_EVENT_TABLE(wxMenuBar, wxMenuBarBase)
 283     EVT_KILL_FOCUS(wxMenuBar::OnKillFocus)
 284
 285     EVT_KEY_DOWN(wxMenuBar::OnKeyDown)
 286
 287     EVT_LEFT_DOWN(wxMenuBar::OnLeftDown)
 288     EVT_MOTION(wxMenuBar::OnMouseMove)
 289 END_EVENT_TABLE()
 290
 291 // ============================================================================
 292 // implementation
 293 // ============================================================================
 294
 295 // ----------------------------------------------------------------------------
 296 // wxPopupMenuWindow
 297 // ----------------------------------------------------------------------------
 298
 299 wxPopupMenuWindow::wxPopupMenuWindow(wxWindow *parent, wxMenu *menu)
 300 {
 301     m_menu = menu;
 302     m_hasOpenSubMenu = FALSE;
 303
 304     ResetCurrent();
 305
 306     (void)Create(parent, wxBORDER_RAISED);
 307
 308     SetCursor(wxCURSOR_ARROW);
 309 }
 310
 311 // ----------------------------------------------------------------------------
 312 // wxPopupMenuWindow current item/node handling
 313 // ----------------------------------------------------------------------------
 314
 315 void wxPopupMenuWindow::ResetCurrent()
 316 {
 317     SetCurrent(NULL);
 318 }
 319
 320 void wxPopupMenuWindow::SetCurrent(wxMenuItemList::Node *node)
 321 {
 322     m_nodeCurrent = node;
 323 }
 324
 325 void wxPopupMenuWindow::ChangeCurrent(wxMenuItemList::Node *node)
 326 {
 327     if ( node != m_nodeCurrent )
 328     {
 329         wxMenuItemList::Node *nodeOldCurrent = m_nodeCurrent;
 330
 331         m_nodeCurrent = node;
 332
 333         if ( nodeOldCurrent )
 334         {
 335             wxMenuItem *item = nodeOldCurrent->GetData();
 336             wxCHECK_RET( item, _T("no current item?") );
 337
 338             // if it was the currently opened menu, close it
 339             if ( item->IsSubMenu() && item->GetSubMenu()->IsShown() )
 340             {
 341                 item->GetSubMenu()->Dismiss();
 342                 OnSubmenuDismiss();
 343             }
 344
 345             RefreshItem(item);
 346         }
 347
 348         if ( m_nodeCurrent )
 349             RefreshItem(m_nodeCurrent->GetData());
 350     }
 351 }
 352
 353 wxMenuItemList::Node *wxPopupMenuWindow::GetPrevNode() const
 354 {
 355     wxMenuItemList::Node *node = m_nodeCurrent;
 356     if ( !node )
 357     {
 358         // start from the end if no current item
 359         node = m_menu->GetMenuItems().GetLast();
 360     }
 361
 362     return GetPrevNode(node);
 363 }
 364
 365 wxMenuItemList::Node *
 366 wxPopupMenuWindow::GetPrevNode(wxMenuItemList::Node *node) const
 367 {
 368     if ( node )
 369     {
 370         node = node->GetPrevious();
 371         if ( !node )
 372         {
 373             node = m_menu->GetMenuItems().GetLast();
 374         }
 375     }
 376     //else: the menu is empty
 377
 378     return node;
 379 }
 380
 381 wxMenuItemList::Node *wxPopupMenuWindow::GetNextNode() const
 382 {
 383     wxMenuItemList::Node *node = m_nodeCurrent;
 384     if ( !node )
 385     {
 386         // start from the beginning if no current item
 387         node = m_menu->GetMenuItems().GetFirst();
 388     }
 389
 390     return GetNextNode(node);
 391 }
 392
 393 wxMenuItemList::Node *
 394 wxPopupMenuWindow::GetNextNode(wxMenuItemList::Node *node) const
 395 {
 396     if ( node )
 397     {
 398         node = node->GetNext();
 399         if ( !node )
 400         {
 401             node = m_menu->GetMenuItems().GetFirst();
 402         }
 403     }
 404     //else: the menu is empty
 405
 406     return node;
 407 }
 408
 409 // ----------------------------------------------------------------------------
 410 // wxPopupMenuWindow popup/dismiss
 411 // ----------------------------------------------------------------------------
 412
 413 void wxPopupMenuWindow::Popup(wxWindow *focus)
 414 {
 415     // check that the current item had been properly reset before
 416     wxASSERT_MSG( !m_nodeCurrent ||
 417                   m_nodeCurrent == m_menu->GetMenuItems().GetFirst(),
 418                   _T("menu current item preselected incorrectly") );
 419
 420     wxPopupTransientWindow::Popup(focus);
 421
 422 #ifdef __WXMSW__
 423     // ensure that this window is really on top of everything: without using
 424     // SetWindowPos() it can be covered by its parent menu which is not
 425     // really what we want
 426     wxMenu *menuParent = m_menu->GetParent();
 427     if ( menuParent )
 428     {
 429         wxPopupMenuWindow *win = menuParent->m_popupMenu;
 430
 431         // if we're shown, the parent menu must be also shown
 432         wxCHECK_RET( win, _T("parent menu is not shown?") );
 433
 434         if ( !::SetWindowPos(GetHwndOf(win), GetHwnd(),
 435                              0, 0, 0, 0,
 436                              SWP_NOMOVE | SWP_NOSIZE | SWP_NOREDRAW) )
 437         {
 438             wxLogLastError(_T("SetWindowPos(HWND_TOP)"));
 439         }
 440
 441         Refresh();
 442     }
 443 #endif // __WXMSW__
 444 }
 445
 446 void wxPopupMenuWindow::Dismiss()
 447 {
 448     if ( HasOpenSubmenu() )
 449     {
 450         wxMenuItem *item = GetCurrentItem();
 451         wxCHECK_RET( item && item->IsSubMenu(), _T("where is our open submenu?") );
 452
 453         wxPopupMenuWindow *win = item->GetSubMenu()->m_popupMenu;
 454         wxCHECK_RET( win, _T("opened submenu is not opened?") );
 455
 456         win->Dismiss();
 457         OnSubmenuDismiss();
 458     }
 459
 460     wxPopupTransientWindow::Dismiss();
 461 }
 462
 463 void wxPopupMenuWindow::OnDismiss()
 464 {
 465     // when we are dismissed because the user clicked elsewhere or we lost
 466     // focus in any other way, hide the parent menu as well
 467     HandleDismiss(TRUE);
 468 }
 469
 470 void wxPopupMenuWindow::HandleDismiss(bool dismissParent)
 471 {
 472     ResetCurrent();
 473
 474     m_menu->OnDismiss(dismissParent);
 475 }
 476
 477 void wxPopupMenuWindow::DismissAndNotify()
 478 {
 479     Dismiss();
 480     HandleDismiss(TRUE);
 481 }
 482
 483 // ----------------------------------------------------------------------------
 484 // wxPopupMenuWindow geometry
 485 // ----------------------------------------------------------------------------
 486
 487 wxMenuItemList::Node *
 488 wxPopupMenuWindow::GetMenuItemFromPoint(const wxPoint& pt) const
 489 {
 490     // we only use the y coord normally, but still check x in case the point is
 491     // outside the window completely
 492     if ( wxWindow::HitTest(pt) == wxHT_WINDOW_INSIDE )
 493     {
 494         wxCoord y = 0;
 495         for ( wxMenuItemList::Node *node = m_menu->GetMenuItems().GetFirst();
 496               node;
 497               node = node->GetNext() )
 498         {
 499             wxMenuItem *item = node->GetData();
 500             y += item->GetHeight();
 501             if ( y > pt.y )
 502             {
 503                 // found
 504                 return node;
 505             }
 506         }
 507     }
 508
 509     return NULL;
 510 }
 511
 512 // ----------------------------------------------------------------------------
 513 // wxPopupMenuWindow drawing
 514 // ----------------------------------------------------------------------------
 515
 516 void wxPopupMenuWindow::RefreshItem(wxMenuItem *item)
 517 {
 518     wxCHECK_RET( item, _T("can't refresh NULL item") );
 519
 520     wxASSERT_MSG( IsShown(), _T("can't refresh menu which is not shown") );
 521
 522     // FIXME: -1 here because of SetLogicalOrigin(1, 1) in DoDraw()
 523     RefreshRect(wxRect(0, item->GetPosition() - 1,
 524                 m_menu->GetGeometryInfo().GetSize().x, item->GetHeight()));
 525 }
 526
 527 void wxPopupMenuWindow::DoDraw(wxControlRenderer *renderer)
 528 {
 529     // no clipping so far - do we need it? I don't think so as the menu is
 530     // never partially covered as it is always on top of everything
 531
 532     wxDC& dc = renderer->GetDC();
 533     dc.SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
 534
 535     // FIXME: this should be done in the renderer, however when it is fixed
 536     //        wxPopupMenuWindow::RefreshItem() should be changed too!
 537     dc.SetLogicalOrigin(1, 1);
 538
 539     wxRenderer *rend = renderer->GetRenderer();
 540
 541     wxCoord y = 0;
 542     const wxMenuGeometryInfo& gi = m_menu->GetGeometryInfo();
 543     for ( wxMenuItemList::Node *node = m_menu->GetMenuItems().GetFirst();
 544           node;
 545           node = node->GetNext() )
 546     {
 547         wxMenuItem *item = node->GetData();
 548
 549         if ( item->IsSeparator() )
 550         {
 551             rend->DrawMenuSeparator(dc, y, gi);
 552         }
 553         else // not a separator
 554         {
 555             int flags = 0;
 556             if ( item->IsCheckable() )
 557             {
 558                 flags |= wxCONTROL_CHECKABLE;
 559
 560                 if ( item->IsChecked() )
 561                 {
 562                     flags |= wxCONTROL_CHECKED;
 563                 }
 564             }
 565
 566             if ( !item->IsEnabled() )
 567                 flags |= wxCONTROL_DISABLED;
 568
 569             if ( item->IsSubMenu() )
 570                 flags |= wxCONTROL_ISSUBMENU;
 571
 572             if ( item == GetCurrentItem() )
 573                 flags |= wxCONTROL_SELECTED;
 574
 575             rend->DrawMenuItem
 576                   (
 577                      dc,
 578                      y,
 579                      gi,
 580                      item->GetLabel(),
 581                      item->GetAccelString(),
 582                      // strangely enough, for unchecked item we use the
 583                      // "checked" bitmap because this is the default one - this
 584                      // explains this strange boolean expression
 585                      item->GetBitmap(!item->IsCheckable() || item->IsChecked()),
 586                      flags,
 587                      item->GetAccelIndex()
 588                   );
 589         }
 590
 591         y += item->GetHeight();
 592     }
 593 }
 594
 595 // ----------------------------------------------------------------------------
 596 // wxPopupMenuWindow actions
 597 // ----------------------------------------------------------------------------
 598
 599 void wxPopupMenuWindow::ClickItem(wxMenuItem *item)
 600 {
 601     wxCHECK_RET( item, _T("can't click NULL item") );
 602
 603     wxASSERT_MSG( !item->IsSeparator() && !item->IsSubMenu(),
 604                   _T("can't click this item") );
 605
 606     wxMenu* menu = m_menu;
 607
 608     // close all menus
 609     DismissAndNotify();
 610
 611     menu->ClickItem(item);
 612 }
 613
 614 void wxPopupMenuWindow::OpenSubmenu(wxMenuItem *item, InputMethod how)
 615 {
 616     wxCHECK_RET( item, _T("can't open NULL submenu") );
 617
 618     wxMenu *submenu = item->GetSubMenu();
 619     wxCHECK_RET( submenu, _T("can only open submenus!") );
 620
 621     // FIXME: should take into account the border width
 622     submenu->Popup(ClientToScreen(wxPoint(0, item->GetPosition())),
 623                    wxSize(m_menu->GetGeometryInfo().GetSize().x, 0),
 624                    how == WithKeyboard /* preselect first item then */);
 625
 626     m_hasOpenSubMenu = TRUE;
 627 }
 628
 629 bool wxPopupMenuWindow::ActivateItem(wxMenuItem *item, InputMethod how)
 630 {
 631     // don't activate disabled items
 632     if ( !item || !item->IsEnabled() )
 633     {
 634         return FALSE;
 635     }
 636
 637     // normal menu items generate commands, submenus can be opened and
 638     // the separators don't do anything
 639     if ( item->IsSubMenu() )
 640     {
 641         OpenSubmenu(item, how);
 642     }
 643     else if ( !item->IsSeparator() )
 644     {
 645         ClickItem(item);
 646     }
 647     else // separator, can't activate
 648     {
 649         return FALSE;
 650     }
 651
 652     return TRUE;
 653 }
 654
 655 // ----------------------------------------------------------------------------
 656 // wxPopupMenuWindow input handling
 657 // ----------------------------------------------------------------------------
 658
 659 bool wxPopupMenuWindow::ProcessLeftDown(wxMouseEvent& event)
 660 {
 661     // wxPopupWindowHandler dismisses the window when the mouse is clicked
 662     // outside it which is usually just fine, but there is one case when we
 663     // don't want to do it: if the mouse was clicked on the parent submenu item
 664     // which opens this menu, so check for it
 665
 666     wxPoint pos = event.GetPosition();
 667     if ( HitTest(pos.x, pos.y) == wxHT_WINDOW_OUTSIDE )
 668     {
 669         wxMenu *menu = m_menu->GetParent();
 670         if ( menu )
 671         {
 672             wxPopupMenuWindow *win = menu->m_popupMenu;
 673
 674             wxCHECK_MSG( win, FALSE, _T("parent menu not shown?") );
 675
 676             pos = ClientToScreen(pos);
 677             if ( win->GetMenuItemFromPoint(win->ScreenToClient(pos)) )
 678             {
 679                 // eat the event
 680                 return TRUE;
 681             }
 682             //else: it is outside the parent menu as well, do dismiss this one
 683         }
 684     }
 685
 686     return FALSE;
 687 }
 688
 689 void wxPopupMenuWindow::OnLeftUp(wxMouseEvent& event)
 690 {
 691     wxMenuItemList::Node *node = GetMenuItemFromPoint(event.GetPosition());
 692     if ( node )
 693     {
 694         ActivateItem(node->GetData(), WithMouse);
 695     }
 696 }
 697
 698 void wxPopupMenuWindow::OnMouseMove(wxMouseEvent& event)
 699 {
 700     const wxPoint pt = event.GetPosition();
 701
 702     // we need to ignore extra mouse events: example when this happens is when
 703     // the mouse is on the menu and we open a submenu from keyboard - Windows
 704     // then sends us a dummy mouse move event, we (correctly) determine that it
 705     // happens in the parent menu and so immediately close the just opened
 706     // submenu!
 707 #ifdef __WXMSW__
 708     static wxPoint s_ptLast;
 709     wxPoint ptCur = ClientToScreen(pt);
 710     if ( ptCur == s_ptLast )
 711     {
 712         return;
 713     }
 714
 715     s_ptLast = ptCur;
 716 #endif // __WXMSW__
 717
 718     ProcessMouseMove(pt);
 719
 720     event.Skip();
 721 }
 722
 723 void wxPopupMenuWindow::ProcessMouseMove(const wxPoint& pt)
 724 {
 725     wxMenuItemList::Node *node = GetMenuItemFromPoint(pt);
 726
 727     // don't reset current to NULL here, we only do it when the mouse leaves
 728     // the window (see below)
 729     if ( node )
 730     {
 731         if ( node != m_nodeCurrent )
 732         {
 733             ChangeCurrent(node);
 734
 735             wxMenuItem *item = GetCurrentItem();
 736             if ( CanOpen(item) )
 737             {
 738                 OpenSubmenu(item, WithMouse);
 739             }
 740         }
 741         //else: same item, nothing to do
 742     }
 743     else // not on an item
 744     {
 745         // the last open submenu forwards the mouse move messages to its
 746         // parent, so if the mouse moves to another item of the parent menu,
 747         // this menu is closed and this other item is selected - in the similar
 748         // manner, the top menu forwards the mouse moves to the menubar which
 749         // allows to select another top level menu by just moving the mouse
 750
 751         // we need to translate our client coords to the client coords of the
 752         // window we forward this event to
 753         wxPoint ptScreen = ClientToScreen(pt);
 754
 755         // if the mouse is outside this menu, let the parent one to
 756         // process it
 757         wxMenu *menuParent = m_menu->GetParent();
 758         if ( menuParent )
 759         {
 760             wxPopupMenuWindow *win = menuParent->m_popupMenu;
 761
 762             // if we're shown, the parent menu must be also shown
 763             wxCHECK_RET( win, _T("parent menu is not shown?") );
 764
 765             win->ProcessMouseMove(win->ScreenToClient(ptScreen));
 766         }
 767         else // no parent menu
 768         {
 769             wxMenuBar *menubar = m_menu->GetMenuBar();
 770             if ( menubar )
 771             {
 772                 if ( menubar->ProcessMouseEvent(
 773                             menubar->ScreenToClient(ptScreen)) )
 774                 {
 775                     // menubar has closed this menu and opened another one, probably
 776                     return;
 777                 }
 778             }
 779         }
 780         //else: top level popup menu, no other processing to do
 781     }
 782 }
 783
 784 void wxPopupMenuWindow::OnMouseLeave(wxMouseEvent& event)
 785 {
 786     // due to the artefact of mouse events generation under MSW, we actually
 787     // may get the mouse leave event after the menu had been already dismissed
 788     // and calling ChangeCurrent() would then assert, so don't do it
 789     if ( IsShown() )
 790     {
 791         // we shouldn't change the current them if our submenu is opened and
 792         // mouse moved there, in this case the submenu is responsable for
 793         // handling it
 794         bool resetCurrent;
 795         if ( HasOpenSubmenu() )
 796         {
 797             wxMenuItem *item = GetCurrentItem();
 798             wxCHECK_RET( CanOpen(item), _T("where is our open submenu?") );
 799
 800             wxPopupMenuWindow *win = item->GetSubMenu()->m_popupMenu;
 801             wxCHECK_RET( win, _T("submenu is opened but not shown?") );
 802
 803             // only handle this event if the mouse is not inside the submenu
 804             wxPoint pt = ClientToScreen(event.GetPosition());
 805             resetCurrent =
 806                 win->HitTest(win->ScreenToClient(pt)) == wxHT_WINDOW_OUTSIDE;
 807         }
 808         else
 809         {
 810             // this menu is the last opened
 811             resetCurrent = TRUE;
 812         }
 813
 814         if ( resetCurrent )
 815         {
 816             ChangeCurrent(NULL);
 817         }
 818     }
 819
 820     event.Skip();
 821 }
 822
 823 void wxPopupMenuWindow::OnKeyDown(wxKeyEvent& event)
 824 {
 825     if ( !ProcessKeyDown(event.GetKeyCode()) )
 826     {
 827         event.Skip();
 828     }
 829 }
 830
 831 bool wxPopupMenuWindow::ProcessKeyDown(int key)
 832 {
 833     wxMenuItem *item = GetCurrentItem();
 834
 835     // first let the opened submenu to have it (no test for IsEnabled() here,
 836     // the keys navigate even in a disabled submenu if we had somehow managed
 837     // to open it inspit of this)
 838     if ( HasOpenSubmenu() )
 839     {
 840         wxCHECK_MSG( CanOpen(item), FALSE,
 841                      _T("has open submenu but another item selected?") );
 842
 843         if ( item->GetSubMenu()->ProcessKeyDown(key) )
 844             return TRUE;
 845     }
 846
 847     bool processed = TRUE;
 848
 849     // handle the up/down arrows, home, end, esc and return here, pass the
 850     // left/right arrows to the menu bar except when the right arrow can be
 851     // used to open a submenu
 852     switch ( key )
 853     {
 854         case WXK_LEFT:
 855             // if we're not a top level menu, close us, else leave this to the
 856             // menubar
 857             if ( !m_menu->GetParent() )
 858             {
 859                 processed = FALSE;
 860                 break;
 861             }
 862
 863             // fall through
 864
 865         case WXK_ESCAPE:
 866             // close just this menu
 867             Dismiss();
 868             HandleDismiss(FALSE);
 869             break;
 870
 871         case WXK_RETURN:
 872             processed = ActivateItem(item);
 873             break;
 874
 875         case WXK_HOME:
 876             ChangeCurrent(m_menu->GetMenuItems().GetFirst());
 877             break;
 878
 879         case WXK_END:
 880             ChangeCurrent(m_menu->GetMenuItems().GetLast());
 881             break;
 882
 883         case WXK_UP:
 884         case WXK_DOWN:
 885             {
 886                 bool up = key == WXK_UP;
 887
 888                 wxMenuItemList::Node *nodeStart = up ? GetPrevNode()
 889                                                      : GetNextNode(),
 890                                      *node = nodeStart;
 891                 while ( node && node->GetData()->IsSeparator() )
 892                 {
 893                     node = up ? GetPrevNode(node) : GetNextNode(node);
 894
 895                     if ( node == nodeStart )
 896                     {
 897                         // nothing but separators and disabled items in this
 898                         // menu, break out
 899                         node = NULL;
 900                     }
 901                 }
 902
 903                 if ( node )
 904                 {
 905                     ChangeCurrent(node);
 906                 }
 907                 else
 908                 {
 909                     processed = FALSE;
 910                 }
 911             }
 912             break;
 913
 914         case WXK_RIGHT:
 915             // don't try to reopen an already opened menu
 916             if ( !HasOpenSubmenu() && CanOpen(item) )
 917             {
 918                 OpenSubmenu(item);
 919             }
 920             else
 921             {
 922                 processed = FALSE;
 923             }
 924             break;
 925
 926         default:
 927             // look for the menu item starting with this letter
 928             if ( wxIsalnum(key) )
 929             {
 930                 // we want to start from the item after this one because
 931                 // if we're already on the item with the given accel we want to
 932                 // go to the next one, not to stay in place
 933                 wxMenuItemList::Node *nodeStart = GetNextNode();
 934
 935                 // do we have more than one item with this accel?
 936                 bool notUnique = FALSE;
 937
 938                 // translate everything to lower case before comparing
 939                 wxChar chAccel = wxTolower(key);
 940
 941                 // loop through all items searching for the item with this
 942                 // accel
 943                 wxMenuItemList::Node *node = nodeStart,
 944                                      *nodeFound = NULL;
 945                 for ( ;; )
 946                 {
 947                     item = node->GetData();
 948
 949                     int idxAccel = item->GetAccelIndex();
 950                     if ( idxAccel != -1 &&
 951                          wxTolower(item->GetLabel()[(size_t)idxAccel])
 952                             == chAccel )
 953                     {
 954                         // ok, found an item with this accel
 955                         if ( !nodeFound )
 956                         {
 957                             // store it but continue searching as we need to
 958                             // know if it's the only item with this accel or if
 959                             // there are more
 960                             nodeFound = node;
 961                         }
 962                         else // we already had found such item
 963                         {
 964                             notUnique = TRUE;
 965
 966                             // no need to continue further, we won't find
 967                             // anything we don't already know
 968                             break;
 969                         }
 970                     }
 971
 972                     // we want to iterate over all items wrapping around if
 973                     // necessary
 974                     node = GetNextNode(node);
 975                     if ( node == nodeStart )
 976                     {
 977                         // we've seen all nodes
 978                         break;
 979                     }
 980                 }
 981
 982                 if ( nodeFound )
 983                 {
 984                     item = nodeFound->GetData();
 985
 986                     // go to this item anyhow
 987                     ChangeCurrent(nodeFound);
 988
 989                     if ( !notUnique && item->IsEnabled() )
 990                     {
 991                         // unique item with this accel - activate it
 992                         processed = ActivateItem(item);
 993                     }
 994                     //else: just select it but don't activate as the user might
 995                     //      have wanted to activate another item
 996
 997                     // skip "processed = FALSE" below
 998                     break;
 999                 }
1000             }
1001
1002             processed = FALSE;
1003     }
1004
1005     return processed;
1006 }
1007
1008 // ----------------------------------------------------------------------------
1009 // wxMenu
1010 // ----------------------------------------------------------------------------
1011
1012 void wxMenu::Init()
1013 {
1014     m_geometry = NULL;
1015
1016     m_popupMenu = NULL;
1017 }
1018
1019 wxMenu::~wxMenu()
1020 {
1021     delete m_geometry;
1022     delete m_popupMenu;
1023 }
1024
1025 // ----------------------------------------------------------------------------
1026 // wxMenu and wxMenuGeometryInfo
1027 // ----------------------------------------------------------------------------
1028
1029 wxMenuGeometryInfo::~wxMenuGeometryInfo()
1030 {
1031 }
1032
1033 const wxMenuGeometryInfo& wxMenu::GetGeometryInfo() const
1034 {
1035     if ( !m_geometry )
1036     {
1037         if ( m_popupMenu )
1038         {
1039             wxConstCast(this, wxMenu)->m_geometry =
1040                 m_popupMenu->GetRenderer()->GetMenuGeometry(m_popupMenu, *this);
1041         }
1042         else
1043         {
1044             wxFAIL_MSG( _T("can't get geometry without window") );
1045         }
1046     }
1047
1048     return *m_geometry;
1049 }
1050
1051 void wxMenu::InvalidateGeometryInfo()
1052 {
1053     if ( m_geometry )
1054     {
1055         delete m_geometry;
1056         m_geometry = NULL;
1057     }
1058 }
1059
1060 // ----------------------------------------------------------------------------
1061 // wxMenu adding/removing items
1062 // ----------------------------------------------------------------------------
1063
1064 void wxMenu::OnItemAdded(wxMenuItem *item)
1065 {
1066     InvalidateGeometryInfo();
1067
1068 #if wxUSE_ACCEL
1069     AddAccelFor(item);
1070 #endif // wxUSE_ACCEL
1071
1072     // the submenus of a popup menu should have the same invoking window as it
1073     // has
1074     if ( m_invokingWindow && item->IsSubMenu() )
1075     {
1076         item->GetSubMenu()->SetInvokingWindow(m_invokingWindow);
1077     }
1078 }
1079
1080 bool wxMenu::DoAppend(wxMenuItem *item)
1081 {
1082     if ( !wxMenuBase::DoAppend(item) )
1083         return FALSE;
1084
1085     OnItemAdded(item);
1086
1087     return TRUE;
1088 }
1089
1090 bool wxMenu::DoInsert(size_t pos, wxMenuItem *item)
1091 {
1092     if ( !wxMenuBase::DoInsert(pos, item) )
1093         return FALSE;
1094
1095     OnItemAdded(item);
1096
1097     return TRUE;
1098 }
1099
1100 wxMenuItem *wxMenu::DoRemove(wxMenuItem *item)
1101 {
1102     wxMenuItem *itemOld = wxMenuBase::DoRemove(item);
1103
1104     if ( itemOld )
1105     {
1106         InvalidateGeometryInfo();
1107
1108 #if wxUSE_ACCEL
1109         RemoveAccelFor(item);
1110 #endif // wxUSE_ACCEL
1111     }
1112
1113     return itemOld;
1114 }
1115
1116 // ----------------------------------------------------------------------------
1117 // wxMenu attaching/detaching
1118 // ----------------------------------------------------------------------------
1119
1120 void wxMenu::Attach(wxMenuBarBase *menubar)
1121 {
1122     wxMenuBase::Attach(menubar);
1123
1124     wxCHECK_RET( m_menuBar, _T("menubar can't be NULL after attaching") );
1125
1126     // unfortunately, we can't use m_menuBar->GetEventHandler() here because,
1127     // if the menubar is currently showing a menu, its event handler is a
1128     // temporary one installed by wxPopupWindow and so will disappear soon any
1129     // any attempts to use it from the newly attached menu would result in a
1130     // crash
1131     //
1132     // so we use the menubar itself, even if it's a pity as it means we can't
1133     // redirect all menu events by changing the menubar handler (FIXME)
1134     SetNextHandler(m_menuBar);
1135 }
1136
1137 void wxMenu::Detach()
1138 {
1139     wxMenuBase::Detach();
1140 }
1141
1142 // ----------------------------------------------------------------------------
1143 // wxMenu misc functions
1144 // ----------------------------------------------------------------------------
1145
1146 wxWindow *wxMenu::GetRootWindow() const
1147 {
1148     if ( m_menuBar )
1149     {
1150         // simple case - a normal menu attached to the menubar
1151         return m_menuBar;
1152     }
1153
1154     // we're a popup menu but the trouble is that only the top level popup menu
1155     // has a pointer to the invoking window, so we must walk up the menu chain
1156     // if needed
1157     wxWindow *win = GetInvokingWindow();
1158     if ( win )
1159     {
1160         // we already have it
1161         return win;
1162     }
1163
1164     wxMenu *menu = GetParent();
1165     while ( menu )
1166     {
1167         win = menu->GetInvokingWindow();
1168         if ( win )
1169             break;
1170
1171         menu = menu->GetParent();
1172     }
1173
1174     // we're probably going to crash in the caller anyhow, but try to detect
1175     // this error as soon as possible
1176     wxASSERT_MSG( win, _T("menu without any associated window?") );
1177
1178     // also remember it in this menu so that we don't have to search for it the
1179     // next time
1180     wxConstCast(this, wxMenu)->m_invokingWindow = win;
1181
1182     return win;
1183 }
1184
1185 wxRenderer *wxMenu::GetRenderer() const
1186 {
1187     // we're going to crash without renderer!
1188     wxCHECK_MSG( m_popupMenu, NULL, _T("neither popup nor menubar menu?") );
1189
1190     return m_popupMenu->GetRenderer();
1191 }
1192
1193 void wxMenu::RefreshItem(wxMenuItem *item)
1194 {
1195     // the item geometry changed, so our might have changed as well
1196     InvalidateGeometryInfo();
1197
1198     if ( IsShown() )
1199     {
1200         // this would be a bug in IsShown()
1201         wxCHECK_RET( m_popupMenu, _T("must have popup window if shown!") );
1202
1203         // recalc geometry to update the item height and such
1204         (void)GetGeometryInfo();
1205
1206         m_popupMenu->RefreshItem(item);
1207     }
1208 }
1209
1210 // ----------------------------------------------------------------------------
1211 // wxMenu showing and hiding
1212 // ----------------------------------------------------------------------------
1213
1214 bool wxMenu::IsShown() const
1215 {
1216     return m_popupMenu && m_popupMenu->IsShown();
1217 }
1218
1219 void wxMenu::OnDismiss(bool dismissParent)
1220 {
1221     if ( m_menuParent )
1222     {
1223         // always notify the parent about submenu disappearance
1224         wxPopupMenuWindow *win = m_menuParent->m_popupMenu;
1225         if ( win )
1226         {
1227             win->OnSubmenuDismiss();
1228         }
1229         else
1230         {
1231             wxFAIL_MSG( _T("parent menu not shown?") );
1232         }
1233
1234         // and if we dismiss everything, propagate to parent
1235         if ( dismissParent )
1236         {
1237             // dismissParent is recursive
1238             m_menuParent->Dismiss();
1239             m_menuParent->OnDismiss(TRUE);
1240         }
1241     }
1242     else // no parent menu
1243     {
1244         // notify the menu bar if we're a top level menu
1245         if ( m_menuBar )
1246         {
1247             m_menuBar->OnDismissMenu(dismissParent);
1248         }
1249         else // popup menu
1250         {
1251             wxCHECK_RET( m_invokingWindow, _T("what kind of menu is this?") );
1252
1253             m_invokingWindow->DismissPopupMenu();
1254             SetInvokingWindow(NULL);
1255         }
1256     }
1257 }
1258
1259 void wxMenu::Popup(const wxPoint& pos, const wxSize& size, bool selectFirst)
1260 {
1261     // create the popup window if not done yet
1262     if ( !m_popupMenu )
1263     {
1264         m_popupMenu = new wxPopupMenuWindow(GetRootWindow(), this);
1265     }
1266
1267     // select the first item unless disabled
1268     if ( selectFirst )
1269     {
1270         m_popupMenu->SelectFirst();
1271     }
1272
1273     // the geometry might have changed since the last time we were shown, so
1274     // always resize
1275     m_popupMenu->SetClientSize(GetGeometryInfo().GetSize());
1276
1277     // position it as specified
1278     m_popupMenu->Position(pos, size);
1279
1280     // the menu can't have the focus itself (it is a Windows limitation), so
1281     // always keep the focus at the originating window
1282     wxWindow *focus = GetRootWindow();
1283
1284     wxASSERT_MSG( focus, _T("no window to keep focus on?") );
1285
1286     // and show it
1287     m_popupMenu->Popup(focus);
1288 }
1289
1290 void wxMenu::Dismiss()
1291 {
1292     wxCHECK_RET( IsShown(), _T("can't dismiss hidden menu") );
1293
1294     m_popupMenu->Dismiss();
1295 }
1296
1297 // ----------------------------------------------------------------------------
1298 // wxMenu event processing
1299 // ----------------------------------------------------------------------------
1300
1301 bool wxMenu::ProcessKeyDown(int key)
1302 {
1303     wxCHECK_MSG( m_popupMenu, FALSE,
1304                  _T("can't process key events if not shown") );
1305
1306     return m_popupMenu->ProcessKeyDown(key);
1307 }
1308
1309 bool wxMenu::ClickItem(wxMenuItem *item)
1310 {
1311     int isChecked;
1312     if ( item->IsCheckable() )
1313     {
1314         // update the item state
1315         isChecked = !item->IsChecked();
1316
1317         item->Check(isChecked != 0);
1318     }
1319     else
1320     {
1321         // not applicabled
1322         isChecked = -1;
1323     }
1324
1325     return SendEvent(item->GetId(), isChecked);
1326 }
1327
1328 // ----------------------------------------------------------------------------
1329 // wxMenu accel support
1330 // ----------------------------------------------------------------------------
1331
1332 #if wxUSE_ACCEL
1333
1334 bool wxMenu::ProcessAccelEvent(const wxKeyEvent& event)
1335 {
1336     // do we have an item for this accel?
1337     wxMenuItem *item = m_accelTable.GetMenuItem(event);
1338     if ( item && item->IsEnabled() )
1339     {
1340         return ClickItem(item);
1341     }
1342
1343     // try our submenus
1344     for ( wxMenuItemList::Node *node = GetMenuItems().GetFirst();
1345           node;
1346           node = node->GetNext() )
1347     {
1348         const wxMenuItem *item = node->GetData();
1349         if ( item->IsSubMenu() && item->IsEnabled() )
1350         {
1351             // try its elements
1352             if ( item->GetSubMenu()->ProcessAccelEvent(event) )
1353             {
1354                 return TRUE;
1355             }
1356         }
1357     }
1358
1359     return FALSE;
1360 }
1361
1362 void wxMenu::AddAccelFor(wxMenuItem *item)
1363 {
1364     wxAcceleratorEntry *accel = item->GetAccel();
1365     if ( accel )
1366     {
1367         accel->SetMenuItem(item);
1368
1369         m_accelTable.Add(*accel);
1370
1371         delete accel;
1372     }
1373 }
1374
1375 void wxMenu::RemoveAccelFor(wxMenuItem *item)
1376 {
1377     wxAcceleratorEntry *accel = item->GetAccel();
1378     if ( accel )
1379     {
1380         m_accelTable.Remove(*accel);
1381
1382         delete accel;
1383     }
1384 }
1385
1386 #endif // wxUSE_ACCEL
1387
1388 // ----------------------------------------------------------------------------
1389 // wxMenuItem construction
1390 // ----------------------------------------------------------------------------
1391
1392 wxMenuItem::wxMenuItem(wxMenu *parentMenu,
1393                        int id,
1394                        const wxString& text,
1395                        const wxString& help,
1396                        bool isCheckable,
1397                        wxMenu *subMenu)
1398 {
1399     m_id = id;
1400     m_parentMenu = parentMenu;
1401     m_subMenu = subMenu;
1402
1403     m_text = text;
1404     m_help = help;
1405
1406     m_isCheckable = isCheckable;
1407     m_isEnabled = TRUE;
1408     m_isChecked = FALSE;
1409
1410     m_posY =
1411     m_height = -1;
1412
1413     UpdateAccelInfo();
1414 }
1415
1416 wxMenuItem::~wxMenuItem()
1417 {
1418 }
1419
1420 // ----------------------------------------------------------------------------
1421 // wxMenuItemBase methods implemented here
1422 // ----------------------------------------------------------------------------
1423
1424 /* static */
1425 wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu,
1426                                 int id,
1427                                 const wxString& name,
1428                                 const wxString& help,
1429                                 bool isCheckable,
1430                                 wxMenu *subMenu)
1431 {
1432     return new wxMenuItem(parentMenu, id, name, help, isCheckable, subMenu);
1433 }
1434
1435 /* static */
1436 wxString wxMenuItemBase::GetLabelFromText(const wxString& text)
1437 {
1438     return wxStripMenuCodes(text);
1439 }
1440
1441 // ----------------------------------------------------------------------------
1442 // wxMenuItem operations
1443 // ----------------------------------------------------------------------------
1444
1445 void wxMenuItem::NotifyMenu()
1446 {
1447     m_parentMenu->RefreshItem(this);
1448 }
1449
1450 void wxMenuItem::UpdateAccelInfo()
1451 {
1452     m_indexAccel = wxControl::FindAccelIndex(m_text);
1453
1454     // will be empty if the text contains no TABs - ok
1455     m_strAccel = m_text.AfterFirst(_T('\t'));
1456 }
1457
1458 void wxMenuItem::SetText(const wxString& text)
1459 {
1460     if ( text != m_text )
1461     {
1462         // first call the base class version to change m_text
1463         wxMenuItemBase::SetText(text);
1464
1465         UpdateAccelInfo();
1466
1467         NotifyMenu();
1468     }
1469 }
1470
1471 void wxMenuItem::SetCheckable(bool checkable)
1472 {
1473     if ( checkable != m_isCheckable )
1474     {
1475         wxMenuItemBase::SetCheckable(checkable);
1476
1477         NotifyMenu();
1478     }
1479 }
1480
1481 void wxMenuItem::SetBitmaps(const wxBitmap& bmpChecked,
1482                             const wxBitmap& bmpUnchecked)
1483 {
1484     m_bmpChecked = bmpChecked;
1485     m_bmpUnchecked = bmpUnchecked;
1486
1487     NotifyMenu();
1488 }
1489
1490 void wxMenuItem::Enable(bool enable)
1491 {
1492     if ( enable != m_isEnabled )
1493     {
1494         wxMenuItemBase::Enable(enable);
1495
1496         NotifyMenu();
1497     }
1498 }
1499
1500 void wxMenuItem::Check(bool check)
1501 {
1502     if ( check != m_isChecked )
1503     {
1504         wxMenuItemBase::Check(check);
1505
1506         NotifyMenu();
1507     }
1508 }
1509
1510 // ----------------------------------------------------------------------------
1511 // wxMenuBar creation
1512 // ----------------------------------------------------------------------------
1513
1514 void wxMenuBar::Init()
1515 {
1516     m_frameLast = NULL;
1517
1518     m_current = -1;
1519
1520     m_menuShown = NULL;
1521
1522     m_shouldShowMenu = FALSE;
1523 }
1524
1525 void wxMenuBar::Attach(wxFrame *frame)
1526 {
1527     // maybe you really wanted to call Detach()?
1528     wxCHECK_RET( frame, _T("wxMenuBar::Attach(NULL) called") );
1529
1530     wxMenuBarBase::Attach(frame);
1531
1532     if ( IsCreated() )
1533     {
1534         // reparent if necessary
1535         if ( m_frameLast != frame )
1536         {
1537             Reparent(frame);
1538         }
1539
1540         // show it back - was hidden by Detach()
1541         Show();
1542     }
1543     else // not created yet, do it now
1544     {
1545         // we have no way to return the error from here anyhow :-(
1546         (void)Create(frame, -1);
1547
1548         SetCursor(wxCURSOR_ARROW);
1549
1550         SetFont(wxSystemSettings::GetSystemFont(wxSYS_SYSTEM_FONT));
1551     }
1552
1553     // remember the last frame which had us to avoid unnecessarily reparenting
1554     // above
1555     m_frameLast = frame;
1556 }
1557
1558 void wxMenuBar::Detach()
1559 {
1560     // don't delete the window because we may be reattached later, just hide it
1561     if ( m_frameLast )
1562     {
1563         Hide();
1564     }
1565
1566     wxMenuBarBase::Detach();
1567 }
1568
1569 wxMenuBar::~wxMenuBar()
1570 {
1571 }
1572
1573 // ----------------------------------------------------------------------------
1574 // wxMenuBar adding/removing items
1575 // ----------------------------------------------------------------------------
1576
1577 bool wxMenuBar::Append(wxMenu *menu, const wxString& title)
1578 {
1579     return Insert(GetCount(), menu, title);
1580 }
1581
1582 bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title)
1583 {
1584     if ( !wxMenuBarBase::Insert(pos, menu, title) )
1585         return FALSE;
1586
1587     wxMenuInfo *info = new wxMenuInfo(title);
1588     m_menuInfos.Insert(info, pos);
1589
1590     RefreshAllItemsAfter(pos);
1591
1592     return TRUE;
1593 }
1594
1595 wxMenu *wxMenuBar::Replace(size_t pos, wxMenu *menu, const wxString& title)
1596 {
1597     wxMenu *menuOld = wxMenuBarBase::Replace(pos, menu, title);
1598
1599     if ( menuOld )
1600     {
1601         wxMenuInfo& info = m_menuInfos[pos];
1602
1603         info.SetLabel(title);
1604
1605         // even if the old menu was disabled, the new one is not any more
1606         info.SetEnabled();
1607
1608         // even if we change only this one, the new label has different width,
1609         // so we need to refresh everything beyond this item as well
1610         RefreshAllItemsAfter(pos);
1611     }
1612
1613     return menuOld;
1614 }
1615
1616 wxMenu *wxMenuBar::Remove(size_t pos)
1617 {
1618     wxMenu *menuOld = wxMenuBarBase::Remove(pos);
1619
1620     if ( menuOld )
1621     {
1622         m_menuInfos.RemoveAt(pos);
1623
1624         // this doesn't happen too often, so don't try to be too smart - just
1625         // refresh everything
1626         Refresh();
1627     }
1628
1629     return menuOld;
1630 }
1631
1632 // ----------------------------------------------------------------------------
1633 // wxMenuBar top level menus access
1634 // ----------------------------------------------------------------------------
1635
1636 wxCoord wxMenuBar::GetItemWidth(size_t pos) const
1637 {
1638     return m_menuInfos[pos].GetWidth(wxConstCast(this, wxMenuBar));
1639 }
1640
1641 void wxMenuBar::EnableTop(size_t pos, bool enable)
1642 {
1643     wxCHECK_RET( pos < GetCount(), _T("invalid index in EnableTop") );
1644
1645     if ( enable != m_menuInfos[pos].IsEnabled() )
1646     {
1647         m_menuInfos[pos].SetEnabled(enable);
1648
1649         RefreshItem(pos);
1650     }
1651     //else: nothing to do
1652 }
1653
1654 bool wxMenuBar::IsEnabledTop(size_t pos) const
1655 {
1656     wxCHECK_MSG( pos < GetCount(), FALSE, _T("invalid index in IsEnabledTop") );
1657
1658     return m_menuInfos[pos].IsEnabled();
1659 }
1660
1661 void wxMenuBar::SetLabelTop(size_t pos, const wxString& label)
1662 {
1663     wxCHECK_RET( pos < GetCount(), _T("invalid index in EnableTop") );
1664
1665     if ( label != m_menuInfos[pos].GetLabel() )
1666     {
1667         m_menuInfos[pos].SetLabel(label);
1668
1669         RefreshItem(pos);
1670     }
1671     //else: nothing to do
1672 }
1673
1674 wxString wxMenuBar::GetLabelTop(size_t pos) const
1675 {
1676     wxCHECK_MSG( pos < GetCount(), _T(""), _T("invalid index in GetLabelTop") );
1677
1678     return m_menuInfos[pos].GetLabel();
1679 }
1680
1681 // ----------------------------------------------------------------------------
1682 // wxMenuBar drawing
1683 // ----------------------------------------------------------------------------
1684
1685 void wxMenuBar::RefreshAllItemsAfter(size_t pos)
1686 {
1687     if ( !IsCreated() )
1688     {
1689         // no need to refresh if nothing is shown yet
1690         return;
1691     }
1692
1693     wxRect rect = GetItemRect(pos);
1694     rect.width = GetClientSize().x - rect.x;
1695     RefreshRect(rect);
1696 }
1697
1698 void wxMenuBar::RefreshItem(size_t pos)
1699 {
1700     wxCHECK_RET( pos != (size_t)-1,
1701                  _T("invalid item in wxMenuBar::RefreshItem") );
1702
1703     if ( !IsCreated() )
1704     {
1705         // no need to refresh if nothing is shown yet
1706         return;
1707     }
1708
1709     RefreshRect(GetItemRect(pos));
1710 }
1711
1712 void wxMenuBar::DoDraw(wxControlRenderer *renderer)
1713 {
1714     wxDC& dc = renderer->GetDC();
1715     dc.SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
1716
1717     // redraw only the items which must be redrawn
1718
1719     // we don't have to use GetUpdateClientRect() here because our client rect
1720     // is the same as total one
1721     wxRect rectUpdate = GetUpdateRegion().GetBox();
1722
1723     int flagsMenubar = GetStateFlags();
1724
1725     wxRect rect;
1726     rect.y = 0;
1727     rect.height = GetClientSize().y;
1728
1729     wxCoord x = 0;
1730     size_t count = GetCount();
1731     for ( size_t n = 0; n < count; n++ )
1732     {
1733         if ( x > rectUpdate.GetRight() )
1734         {
1735             // all remaining items are to the right of rectUpdate
1736             break;
1737         }
1738
1739         rect.x = x;
1740         rect.width = GetItemWidth(n);
1741         x += rect.width;
1742         if ( x < rectUpdate.x )
1743         {
1744             // this item is still to the left of rectUpdate
1745             continue;
1746         }
1747
1748         int flags = flagsMenubar;
1749         if ( m_current != -1 && n == (size_t)m_current )
1750         {
1751             flags |= wxCONTROL_SELECTED;
1752         }
1753
1754         if ( !IsEnabledTop(n) )
1755         {
1756             flags |= wxCONTROL_DISABLED;
1757         }
1758
1759         GetRenderer()->DrawMenuBarItem
1760                        (
1761                             dc,
1762                             rect,
1763                             m_menuInfos[n].GetLabel(),
1764                             flags,
1765                             m_menuInfos[n].GetAccelIndex()
1766                        );
1767     }
1768 }
1769
1770 // ----------------------------------------------------------------------------
1771 // wxMenuBar geometry
1772 // ----------------------------------------------------------------------------
1773
1774 wxRect wxMenuBar::GetItemRect(size_t pos) const
1775 {
1776     wxASSERT_MSG( pos < GetCount(), _T("invalid menu bar item index") );
1777     wxASSERT_MSG( IsCreated(), _T("can't call this method yet") );
1778
1779     wxRect rect;
1780     rect.x =
1781     rect.y = 0;
1782     rect.height = GetClientSize().y;
1783
1784     for ( size_t n = 0; n < pos; n++ )
1785     {
1786         rect.x += GetItemWidth(n);
1787     }
1788
1789     rect.width = GetItemWidth(pos);
1790
1791     return rect;
1792 }
1793
1794 wxSize wxMenuBar::DoGetBestClientSize() const
1795 {
1796     wxSize size;
1797     if ( GetMenuCount() > 0 )
1798     {
1799         wxClientDC dc(wxConstCast(this, wxMenuBar));
1800         dc.SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
1801         dc.GetTextExtent(GetLabelTop(0), &size.x, &size.y);
1802
1803         // adjust for the renderer we use
1804         size = GetRenderer()->GetMenuBarItemSize(size);
1805     }
1806     else // empty menubar
1807     {
1808         size.x =
1809         size.y = 0;
1810     }
1811
1812     // the width is arbitrary, of course, for horizontal menubar
1813     size.x = 100;
1814
1815     return size;
1816 }
1817
1818 int wxMenuBar::GetMenuFromPoint(const wxPoint& pos) const
1819 {
1820     if ( pos.x < 0 || pos.y < 0 || pos.y > GetClientSize().y )
1821         return -1;
1822
1823     // do find it
1824     wxCoord x = 0;
1825     size_t count = GetCount();
1826     for ( size_t item = 0; item < count; item++ )
1827     {
1828         x += GetItemWidth(item);
1829
1830         if ( x > pos.x )
1831         {
1832             return item;
1833         }
1834     }
1835
1836     // to the right of the last menu item
1837     return -1;
1838 }
1839
1840 // ----------------------------------------------------------------------------
1841 // wxMenuBar menu operations
1842 // ----------------------------------------------------------------------------
1843
1844 void wxMenuBar::SelectMenu(size_t pos)
1845 {
1846     SetFocus();
1847     CaptureMouse();
1848
1849     DoSelectMenu(pos);
1850 }
1851
1852 void wxMenuBar::DoSelectMenu(size_t pos)
1853 {
1854     wxCHECK_RET( pos < GetCount(), _T("invalid menu index in DoSelectMenu") );
1855
1856     int posOld = m_current;
1857
1858     m_current = pos;
1859
1860     if ( posOld != -1 )
1861     {
1862         // close the previous menu
1863         if ( IsShowingMenu() )
1864         {
1865             // restore m_shouldShowMenu flag after DismissMenu() which resets
1866             // it to FALSE
1867             bool old = m_shouldShowMenu;
1868
1869             DismissMenu();
1870
1871             m_shouldShowMenu = old;
1872         }
1873
1874         RefreshItem((size_t)posOld);
1875     }
1876
1877     RefreshItem(pos);
1878 }
1879
1880 void wxMenuBar::PopupMenu(size_t pos)
1881 {
1882     wxCHECK_RET( pos < GetCount(), _T("invalid menu index in PopupCurrentMenu") );
1883
1884     SetFocus();
1885     DoSelectMenu(pos);
1886     PopupCurrentMenu();
1887 }
1888
1889 // ----------------------------------------------------------------------------
1890 // wxMenuBar input handing
1891 // ----------------------------------------------------------------------------
1892
1893 /*
1894    Note that wxMenuBar doesn't use wxInputHandler but handles keyboard and
1895    mouse in the same way under all platforms. This is because it doesn't derive
1896    from wxControl (which works with input handlers) but directly from wxWindow.
1897
1898    Also, menu bar input handling is rather simple, so maybe it's not really
1899    worth making it themeable - at least I've decided against doing it now as it
1900    would merging the changes back into trunk more difficult. But it still could
1901    be done later if really needed.
1902  */
1903
1904 void wxMenuBar::OnKillFocus(wxFocusEvent& event)
1905 {
1906     if ( m_current != -1 )
1907     {
1908         RefreshItem((size_t)m_current);
1909
1910         m_current = -1;
1911     }
1912
1913     event.Skip();
1914 }
1915
1916 void wxMenuBar::OnLeftDown(wxMouseEvent& event)
1917 {
1918     if ( HasCapture() )
1919     {
1920         OnDismiss();
1921
1922         event.Skip();
1923     }
1924     else // we didn't have mouse capture, capture it now
1925     {
1926         m_current = GetMenuFromPoint(event.GetPosition());
1927         if ( m_current == -1 )
1928         {
1929             // unfortunately, we can't prevent wxMSW from giving us the focus,
1930             // so we can only give it back
1931             GiveAwayFocus();
1932         }
1933         else // on item
1934         {
1935             CaptureMouse();
1936
1937             // show it as selected
1938             RefreshItem((size_t)m_current);
1939
1940             // show the menu
1941             PopupCurrentMenu(FALSE /* don't select first item - as Windows does */);
1942         }
1943     }
1944 }
1945
1946 void wxMenuBar::OnMouseMove(wxMouseEvent& event)
1947 {
1948     if ( HasCapture() )
1949     {
1950         (void)ProcessMouseEvent(event.GetPosition());
1951     }
1952     else
1953     {
1954         event.Skip();
1955     }
1956 }
1957
1958 bool wxMenuBar::ProcessMouseEvent(const wxPoint& pt)
1959 {
1960     // a hack to ignore the extra mouse events MSW sends us: this is similar to
1961     // wxUSE_MOUSEEVENT_HACK in wxWin itself but it isn't enough for us here as
1962     // we get the messages from different windows (old and new popup menus for
1963     // example)
1964 #ifdef __WXMSW__
1965     static wxPoint s_ptLast;
1966     if ( pt == s_ptLast )
1967     {
1968         return FALSE;
1969     }
1970
1971     s_ptLast = pt;
1972 #endif // __WXMSW__
1973
1974     int currentNew = GetMenuFromPoint(pt);
1975     if ( (currentNew == -1) || (currentNew == m_current) )
1976     {
1977         return FALSE;
1978     }
1979
1980     // select the new active item
1981     DoSelectMenu(currentNew);
1982
1983     // show the menu if we know that we should, even if we hadn't been showing
1984     // it before (this may happen if the previous menu was disabled)
1985     if ( m_shouldShowMenu && !m_menuShown)
1986     {
1987         // open the new menu if the old one we closed had been opened
1988         PopupCurrentMenu(FALSE /* don't select first item - as Windows does */);
1989     }
1990
1991     return TRUE;
1992 }
1993
1994 void wxMenuBar::OnKeyDown(wxKeyEvent& event)
1995 {
1996     // ensure that we have a current item - we might not have it if we're
1997     // given the focus with Alt or F10 press (and under GTK+ the menubar
1998     // somehow gets the keyboard events even when it doesn't have focus...)
1999     if ( m_current == -1 )
2000     {
2001         if ( !HasCapture() )
2002         {
2003             SelectMenu(0);
2004         }
2005         else // we do have capture
2006         {
2007             // we always maintain a valid current item while we're in modal
2008             // state (i.e. have the capture)
2009             wxFAIL_MSG( _T("how did we manage to lose current item?") );
2010
2011             return;
2012         }
2013     }
2014
2015     int key = event.GetKeyCode();
2016
2017     // first let the menu have it
2018     if ( IsShowingMenu() && m_menuShown->ProcessKeyDown(key) )
2019     {
2020         return;
2021     }
2022
2023     // cycle through the menu items when left/right arrows are pressed and open
2024     // the menu when up/down one is
2025     switch ( key )
2026     {
2027         case WXK_MENU:
2028             // Alt must be processed at wxWindow level too
2029             event.Skip();
2030             // fall through
2031
2032         case WXK_ESCAPE:
2033             // remove the selection and give the focus away
2034             if ( m_current != -1 )
2035             {
2036                 if ( IsShowingMenu() )
2037                 {
2038                     DismissMenu();
2039                 }
2040
2041                 OnDismiss();
2042             }
2043             break;
2044
2045         case WXK_LEFT:
2046         case WXK_RIGHT:
2047             {
2048                 size_t count = GetCount();
2049                 if ( count == 1 )
2050                 {
2051                     // the item won't change anyhow
2052                     break;
2053                 }
2054                 //else: otherwise, it will
2055
2056                 // remember if we were showing a menu - if we did, we should
2057                 // show the new menu after changing the item
2058                 bool wasMenuOpened = IsShowingMenu();
2059                 if ( wasMenuOpened )
2060                 {
2061                     DismissMenu();
2062                 }
2063
2064                 // cast is safe as we tested for -1 above
2065                 size_t currentNew = (size_t)m_current;
2066
2067                 if ( key == WXK_LEFT )
2068                 {
2069                     if ( currentNew-- == 0 )
2070                         currentNew = count - 1;
2071                 }
2072                 else // right
2073                 {
2074                     if ( ++currentNew == count )
2075                         currentNew = 0;
2076                 }
2077
2078                 DoSelectMenu(currentNew);
2079
2080                 if ( wasMenuOpened )
2081                 {
2082                     PopupCurrentMenu();
2083                 }
2084             }
2085             break;
2086
2087         case WXK_DOWN:
2088         case WXK_UP:
2089         case WXK_RETURN:
2090             // open the menu
2091             PopupCurrentMenu();
2092             break;
2093
2094         default:
2095             // letters open the corresponding menu
2096             {
2097                 bool unique;
2098                 int idxFound = FindNextItemForAccel(m_current, key, &unique);
2099
2100                 if ( idxFound != -1 )
2101                 {
2102                     if ( IsShowingMenu() )
2103                     {
2104                         DismissMenu();
2105                     }
2106
2107                     DoSelectMenu((size_t)idxFound);
2108
2109                     // if the item is not unique, just select it but don't
2110                     // activate as the user might have wanted to activate
2111                     // another item
2112                     //
2113                     // also, don't try to open a disabled menu
2114                     if ( unique && IsEnabledTop((size_t)idxFound) )
2115                     {
2116                         // open the menu
2117                         PopupCurrentMenu();
2118                     }
2119
2120                     // skip the "event.Skip()" below
2121                     break;
2122                 }
2123             }
2124
2125             event.Skip();
2126     }
2127 }
2128
2129 // ----------------------------------------------------------------------------
2130 // wxMenuBar accel handling
2131 // ----------------------------------------------------------------------------
2132
2133 int wxMenuBar::FindNextItemForAccel(int idxStart, int key, bool *unique) const
2134 {
2135     if ( !wxIsalnum(key) )
2136     {
2137         // we only support letters/digits as accels
2138         return -1;
2139     }
2140
2141     // do we have more than one item with this accel?
2142     if ( unique )
2143         *unique = TRUE;
2144
2145     // translate everything to lower case before comparing
2146     wxChar chAccel = wxTolower(key);
2147
2148     // the index of the item with this accel
2149     int idxFound = -1;
2150
2151     // loop through all items searching for the item with this
2152     // accel starting at the item after the current one
2153     int count = GetCount();
2154     int n = idxStart == -1 ? 0 : idxStart + 1;
2155
2156     if ( n == count )
2157     {
2158         // wrap
2159         n = 0;
2160     }
2161
2162     idxStart = n;
2163     for ( ;; )
2164     {
2165         const wxMenuInfo& info = m_menuInfos[n];
2166
2167         int idxAccel = info.GetAccelIndex();
2168         if ( idxAccel != -1 &&
2169              wxTolower(info.GetLabel()[(size_t)idxAccel])
2170                 == chAccel )
2171         {
2172             // ok, found an item with this accel
2173             if ( idxFound == -1 )
2174             {
2175                 // store it but continue searching as we need to
2176                 // know if it's the only item with this accel or if
2177                 // there are more
2178                 idxFound = n;
2179             }
2180             else // we already had found such item
2181             {
2182                 if ( unique )
2183                     *unique = FALSE;
2184
2185                 // no need to continue further, we won't find
2186                 // anything we don't already know
2187                 break;
2188             }
2189         }
2190
2191         // we want to iterate over all items wrapping around if
2192         // necessary
2193         if ( ++n == count )
2194         {
2195             // wrap
2196             n = 0;
2197         }
2198
2199         if ( n == idxStart )
2200         {
2201             // we've seen all items
2202             break;
2203         }
2204     }
2205
2206     return idxFound;
2207 }
2208
2209 #if wxUSE_ACCEL
2210
2211 bool wxMenuBar::ProcessAccelEvent(const wxKeyEvent& event)
2212 {
2213     size_t n = 0;
2214     for ( wxMenuList::Node *node = m_menus.GetFirst();
2215           node;
2216           node = node->GetNext(), n++ )
2217     {
2218         // accels of the items in the disabled menus shouldn't work
2219         if ( m_menuInfos[n].IsEnabled() )
2220         {
2221             if ( node->GetData()->ProcessAccelEvent(event) )
2222             {
2223                 // menu processed it
2224                 return TRUE;
2225             }
2226         }
2227     }
2228
2229     // not found
2230     return FALSE;
2231 }
2232
2233 #endif // wxUSE_ACCEL
2234
2235 // ----------------------------------------------------------------------------
2236 // wxMenuBar menus showing
2237 // ----------------------------------------------------------------------------
2238
2239 void wxMenuBar::PopupCurrentMenu(bool selectFirst)
2240 {
2241     wxCHECK_RET( m_current != -1, _T("no menu to popup") );
2242
2243     // forgot to call DismissMenu()?
2244     wxASSERT_MSG( !m_menuShown, _T("shouldn't show two menu at once!") );
2245
2246     // in any case, we should show it - even if we won't
2247     m_shouldShowMenu = TRUE;
2248
2249     if ( IsEnabledTop(m_current) )
2250     {
2251         // remember the menu we show
2252         m_menuShown = GetMenu(m_current);
2253
2254         // we don't show the menu at all if it has no items
2255         if ( !m_menuShown->IsEmpty() )
2256         {
2257             // position it correctly: note that we must use screen coords and
2258             // that we pass 0 as width to position the menu exactly below the
2259             // item, not to the right of it
2260             wxRect rectItem = GetItemRect(m_current);
2261
2262             m_menuShown->Popup(ClientToScreen(rectItem.GetPosition()),
2263                                wxSize(0, rectItem.GetHeight()),
2264                                selectFirst);
2265         }
2266         else
2267         {
2268             // reset it back as no menu is shown
2269             m_menuShown = NULL;
2270         }
2271     }
2272     //else: don't show disabled menu
2273 }
2274
2275 void wxMenuBar::DismissMenu()
2276 {
2277     wxCHECK_RET( m_menuShown, _T("can't dismiss menu if none is shown") );
2278
2279     m_menuShown->Dismiss();
2280     OnDismissMenu();
2281 }
2282
2283 void wxMenuBar::OnDismissMenu(bool dismissMenuBar)
2284 {
2285     m_shouldShowMenu = FALSE;
2286     m_menuShown = NULL;
2287     if ( dismissMenuBar )
2288     {
2289         OnDismiss();
2290     }
2291 }
2292
2293 void wxMenuBar::OnDismiss()
2294 {
2295     ReleaseMouse();
2296
2297     if ( m_current != -1 )
2298     {
2299         size_t current = m_current;
2300         m_current = -1;
2301
2302         RefreshItem(current);
2303     }
2304
2305     GiveAwayFocus();
2306 }
2307
2308 void wxMenuBar::GiveAwayFocus()
2309 {
2310     GetFrame()->SetFocus();
2311 }
2312
2313 // ----------------------------------------------------------------------------
2314 // popup menu support
2315 // ----------------------------------------------------------------------------
2316
2317 wxEventLoop *wxWindow::ms_evtLoopPopup = NULL;
2318
2319 bool wxWindow::DoPopupMenu(wxMenu *menu, int x, int y)
2320 {
2321     wxCHECK_MSG( !ms_evtLoopPopup, FALSE,
2322                  _T("can't show more than one popup menu at a time") );
2323
2324 #ifdef __WXMSW__
2325     // we need to change the cursor before showing the menu as, apparently, no
2326     // cursor changes took place while the mouse is captured
2327     wxCursor cursorOld = GetCursor();
2328     SetCursor(wxCURSOR_ARROW);
2329 #endif // __WXMSW__
2330
2331 #if 0
2332     // flash any delayed log messages before showing the menu, otherwise it
2333     // could be dismissed (because it would lose focus) immediately after being
2334     // shown
2335     wxLog::FlushActive();
2336
2337     // some controls update themselves from OnIdle() call - let them do it
2338     wxIdleEvent event;
2339     wxTheApp->ProcessEvent(event);
2340
2341     // if the window hadn't been refreshed yet, the menu can adversely affect
2342     // its next OnPaint() handler execution - i.e. scrolled window refresh
2343     // logic breaks then as it scrolls part of the menu which hadn't been there
2344     // when the update event was generated into view
2345     Update();
2346 #endif // 0
2347
2348     menu->SetInvokingWindow(this);
2349     menu->Popup(ClientToScreen(wxPoint(x, y)), wxSize(0, 0));
2350
2351     // this is not very useful if the menu was popped up because of the mouse
2352     // click but I think it is nice to do when it appears because of a key
2353     // press (i.e. Windows menu key)
2354     //
2355     // Windows itself doesn't do it, but IMHO this is nice
2356     WarpPointer(x, y);
2357
2358     // we have to redirect all keyboard input to the menu temporarily
2359     PushEventHandler(new wxMenuKbdRedirector(menu));
2360
2361     // enter the local modal loop
2362     ms_evtLoopPopup = new wxEventLoop;
2363     ms_evtLoopPopup->Run();
2364
2365     delete ms_evtLoopPopup;
2366     ms_evtLoopPopup = NULL;
2367
2368     // remove the handler
2369     PopEventHandler(TRUE /* delete it */);
2370
2371     menu->SetInvokingWindow(NULL);
2372
2373 #ifdef __WXMSW__
2374     SetCursor(cursorOld);
2375 #endif // __WXMSW__
2376
2377     return TRUE;
2378 }
2379
2380 void wxWindow::DismissPopupMenu()
2381 {
2382     wxCHECK_RET( ms_evtLoopPopup, _T("no popup menu shown") );
2383
2384     ms_evtLoopPopup->Exit();
2385 }
2386
2387 #endif // wxUSE_MENUS
2388