src/common/framecmn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/framecmn.cpp
   3 // Purpose:     common (for all platforms) wxFrame functions
   4 // Author:      Julian Smart, Vadim Zeitlin
   5 // Created:     01/02/97
   6 // Id:          $Id$
   7 // Copyright:   (c) 1998 Robert Roebling and Julian Smart
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // ============================================================================
  12 // declarations
  13 // ============================================================================
  14
  15 // ----------------------------------------------------------------------------
  16 // headers
  17 // ----------------------------------------------------------------------------
  18
  19 // For compilers that support precompilation, includes "wx.h".
  20 #include "wx/wxprec.h"
  21
  22 #ifdef __BORLANDC__
  23     #pragma hdrstop
  24 #endif
  25
  26 #include "wx/frame.h"
  27
  28 #ifndef WX_PRECOMP
  29     #include "wx/app.h"
  30     #include "wx/menu.h"
  31     #include "wx/menuitem.h"
  32     #include "wx/dcclient.h"
  33     #include "wx/toolbar.h"
  34     #include "wx/statusbr.h"
  35 #endif // WX_PRECOMP
  36
  37 extern WXDLLEXPORT_DATA(const char) wxFrameNameStr[] = "frame";
  38 extern WXDLLEXPORT_DATA(const char) wxStatusLineNameStr[] = "status_line";
  39
  40 // ----------------------------------------------------------------------------
  41 // event table
  42 // ----------------------------------------------------------------------------
  43
  44 #if wxUSE_MENUS
  45
  46 #if wxUSE_STATUSBAR
  47 BEGIN_EVENT_TABLE(wxFrameBase, wxTopLevelWindow)
  48     EVT_MENU_OPEN(wxFrameBase::OnMenuOpen)
  49     EVT_MENU_CLOSE(wxFrameBase::OnMenuClose)
  50
  51     EVT_MENU_HIGHLIGHT_ALL(wxFrameBase::OnMenuHighlight)
  52 END_EVENT_TABLE()
  53 #endif // wxUSE_STATUSBAR
  54
  55 /* static */
  56 bool wxFrameBase::ShouldUpdateMenuFromIdle()
  57 {
  58     // Usually this is determined at compile time and is determined by whether
  59     // the platform supports wxEVT_MENU_OPEN, however in wxGTK we need to also
  60     // check if we're using the global menu bar as we don't get EVT_MENU_OPEN
  61     // for it and need to fall back to idle time updating even if normally
  62     // wxUSE_IDLEMENUUPDATES is set to 0 for wxGTK.
  63 #ifdef __WXGTK20__
  64     if ( wxApp::GTKIsUsingGlobalMenu() )
  65         return true;
  66 #endif // !__WXGTK__
  67
  68     return wxUSE_IDLEMENUUPDATES != 0;
  69 }
  70
  71 #endif // wxUSE_MENUS
  72
  73 // ============================================================================
  74 // implementation
  75 // ============================================================================
  76
  77 // ----------------------------------------------------------------------------
  78 // XTI
  79 // ----------------------------------------------------------------------------
  80
  81 wxDEFINE_FLAGS( wxFrameStyle )
  82 wxBEGIN_FLAGS( wxFrameStyle )
  83 // new style border flags, we put them first to
  84 // use them for streaming out
  85 wxFLAGS_MEMBER(wxBORDER_SIMPLE)
  86 wxFLAGS_MEMBER(wxBORDER_SUNKEN)
  87 wxFLAGS_MEMBER(wxBORDER_DOUBLE)
  88 wxFLAGS_MEMBER(wxBORDER_RAISED)
  89 wxFLAGS_MEMBER(wxBORDER_STATIC)
  90 wxFLAGS_MEMBER(wxBORDER_NONE)
  91
  92 // old style border flags
  93 wxFLAGS_MEMBER(wxSIMPLE_BORDER)
  94 wxFLAGS_MEMBER(wxSUNKEN_BORDER)
  95 wxFLAGS_MEMBER(wxDOUBLE_BORDER)
  96 wxFLAGS_MEMBER(wxRAISED_BORDER)
  97 wxFLAGS_MEMBER(wxSTATIC_BORDER)
  98 wxFLAGS_MEMBER(wxBORDER)
  99
 100 // standard window styles
 101 wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
 102 wxFLAGS_MEMBER(wxCLIP_CHILDREN)
 103 wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
 104 wxFLAGS_MEMBER(wxWANTS_CHARS)
 105 wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
 106 wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
 107 wxFLAGS_MEMBER(wxVSCROLL)
 108 wxFLAGS_MEMBER(wxHSCROLL)
 109
 110 // frame styles
 111 wxFLAGS_MEMBER(wxSTAY_ON_TOP)
 112 wxFLAGS_MEMBER(wxCAPTION)
 113 #if WXWIN_COMPATIBILITY_2_6
 114 wxFLAGS_MEMBER(wxTHICK_FRAME)
 115 #endif // WXWIN_COMPATIBILITY_2_6
 116 wxFLAGS_MEMBER(wxSYSTEM_MENU)
 117 wxFLAGS_MEMBER(wxRESIZE_BORDER)
 118 #if WXWIN_COMPATIBILITY_2_6
 119 wxFLAGS_MEMBER(wxRESIZE_BOX)
 120 #endif // WXWIN_COMPATIBILITY_2_6
 121 wxFLAGS_MEMBER(wxCLOSE_BOX)
 122 wxFLAGS_MEMBER(wxMAXIMIZE_BOX)
 123 wxFLAGS_MEMBER(wxMINIMIZE_BOX)
 124
 125 wxFLAGS_MEMBER(wxFRAME_TOOL_WINDOW)
 126 wxFLAGS_MEMBER(wxFRAME_FLOAT_ON_PARENT)
 127
 128 wxFLAGS_MEMBER(wxFRAME_SHAPED)
 129 wxEND_FLAGS( wxFrameStyle )
 130
 131 wxIMPLEMENT_DYNAMIC_CLASS_XTI(wxFrame, wxTopLevelWindow, "wx/frame.h")
 132
 133 wxBEGIN_PROPERTIES_TABLE(wxFrame)
 134 wxEVENT_PROPERTY( Menu, wxEVT_COMMAND_MENU_SELECTED, wxCommandEvent)
 135
 136 wxPROPERTY( Title,wxString, SetTitle, GetTitle, wxString(), 0 /*flags*/, \
 137            wxT("Helpstring"), wxT("group"))
 138 wxPROPERTY_FLAGS( WindowStyle, wxFrameStyle, long, SetWindowStyleFlag, \
 139                  GetWindowStyleFlag, wxEMPTY_PARAMETER_VALUE, 0 /*flags*/, \
 140                  wxT("Helpstring"), wxT("group")) // style
 141 #if wxUSE_MENUS
 142 wxPROPERTY( MenuBar, wxMenuBar *, SetMenuBar, GetMenuBar, wxEMPTY_PARAMETER_VALUE, \
 143            0 /*flags*/, wxT("Helpstring"), wxT("group"))
 144 #endif
 145 wxEND_PROPERTIES_TABLE()
 146
 147 wxEMPTY_HANDLERS_TABLE(wxFrame)
 148
 149 wxCONSTRUCTOR_6( wxFrame, wxWindow*, Parent, wxWindowID, Id, wxString, Title, \
 150                 wxPoint, Position, wxSize, Size, long, WindowStyle)
 151
 152 // ----------------------------------------------------------------------------
 153 // construction/destruction
 154 // ----------------------------------------------------------------------------
 155
 156 wxFrameBase::wxFrameBase()
 157 {
 158 #if wxUSE_MENUS
 159     m_frameMenuBar = NULL;
 160 #endif // wxUSE_MENUS
 161
 162 #if wxUSE_TOOLBAR
 163     m_frameToolBar = NULL;
 164 #endif // wxUSE_TOOLBAR
 165
 166 #if wxUSE_STATUSBAR
 167     m_frameStatusBar = NULL;
 168 #endif // wxUSE_STATUSBAR
 169
 170     m_statusBarPane = 0;
 171 }
 172
 173 wxFrameBase::~wxFrameBase()
 174 {
 175     // this destructor is required for Darwin
 176 }
 177
 178 wxFrame *wxFrameBase::New(wxWindow *parent,
 179                           wxWindowID id,
 180                           const wxString& title,
 181                           const wxPoint& pos,
 182                           const wxSize& size,
 183                           long style,
 184                           const wxString& name)
 185 {
 186     return new wxFrame(parent, id, title, pos, size, style, name);
 187 }
 188
 189 void wxFrameBase::DeleteAllBars()
 190 {
 191 #if wxUSE_MENUS
 192     wxDELETE(m_frameMenuBar);
 193 #endif // wxUSE_MENUS
 194
 195 #if wxUSE_STATUSBAR
 196     wxDELETE(m_frameStatusBar);
 197 #endif // wxUSE_STATUSBAR
 198
 199 #if wxUSE_TOOLBAR
 200     wxDELETE(m_frameToolBar);
 201 #endif // wxUSE_TOOLBAR
 202 }
 203
 204 bool wxFrameBase::IsOneOfBars(const wxWindow *win) const
 205 {
 206 #if wxUSE_MENUS
 207     if ( win == GetMenuBar() )
 208         return true;
 209 #endif // wxUSE_MENUS
 210
 211 #if wxUSE_STATUSBAR
 212     if ( win == GetStatusBar() )
 213         return true;
 214 #endif // wxUSE_STATUSBAR
 215
 216 #if wxUSE_TOOLBAR
 217     if ( win == GetToolBar() )
 218         return true;
 219 #endif // wxUSE_TOOLBAR
 220
 221     wxUnusedVar(win);
 222
 223     return false;
 224 }
 225
 226 // ----------------------------------------------------------------------------
 227 // wxFrame size management: we exclude the areas taken by menu/status/toolbars
 228 // from the client area, so the client area is what's really available for the
 229 // frame contents
 230 // ----------------------------------------------------------------------------
 231
 232 // get the origin of the client area in the client coordinates
 233 wxPoint wxFrameBase::GetClientAreaOrigin() const
 234 {
 235     wxPoint pt = wxTopLevelWindow::GetClientAreaOrigin();
 236
 237 #if wxUSE_TOOLBAR && !defined(__WXUNIVERSAL__)
 238     wxToolBar *toolbar = GetToolBar();
 239     if ( toolbar && toolbar->IsShown() )
 240     {
 241         int w, h;
 242         toolbar->GetSize(&w, &h);
 243
 244         if ( toolbar->GetWindowStyleFlag() & wxTB_VERTICAL )
 245         {
 246             pt.x += w;
 247         }
 248         else
 249         {
 250             pt.y += h;
 251         }
 252     }
 253 #endif // wxUSE_TOOLBAR
 254
 255     return pt;
 256 }
 257
 258 // ----------------------------------------------------------------------------
 259 // misc
 260 // ----------------------------------------------------------------------------
 261
 262 #if wxUSE_MENUS
 263
 264 bool wxFrameBase::ProcessCommand(int id)
 265 {
 266     wxMenuItem* const item = FindItemInMenuBar(id);
 267     if ( !item )
 268         return false;
 269
 270     return ProcessCommand(item);
 271 }
 272
 273 bool wxFrameBase::ProcessCommand(wxMenuItem *item)
 274 {
 275     wxCHECK_MSG( item, false, wxS("Menu item can't be NULL") );
 276
 277     if (!item->IsEnabled())
 278         return true;
 279
 280     if ((item->GetKind() == wxITEM_RADIO) && item->IsChecked() )
 281         return true;
 282
 283     int checked;
 284     if (item->IsCheckable())
 285     {
 286         item->Toggle();
 287
 288         // use the new value
 289         checked = item->IsChecked();
 290     }
 291     else // Uncheckable item.
 292     {
 293         checked = -1;
 294     }
 295
 296     wxMenu* const menu = item->GetMenu();
 297     wxCHECK_MSG( menu, false, wxS("Menu item should be attached to a menu") );
 298
 299     return menu->SendEvent(item->GetId(), checked);
 300 }
 301
 302 #endif // wxUSE_MENUS
 303
 304 // Do the UI update processing for this window. This is
 305 // provided for the application to call if it wants to
 306 // force a UI update, particularly for the menus and toolbar.
 307 void wxFrameBase::UpdateWindowUI(long flags)
 308 {
 309     wxWindowBase::UpdateWindowUI(flags);
 310
 311 #if wxUSE_TOOLBAR
 312     if (GetToolBar())
 313         GetToolBar()->UpdateWindowUI(flags);
 314 #endif
 315
 316 #if wxUSE_MENUS
 317     if (GetMenuBar())
 318     {
 319         // If coming from an idle event, we only want to update the menus if
 320         // we're in the wxUSE_IDLEMENUUPDATES configuration, otherwise they
 321         // will be update when the menu is opened later
 322         if ( !(flags & wxUPDATE_UI_FROMIDLE) || ShouldUpdateMenuFromIdle() )
 323             DoMenuUpdates();
 324     }
 325 #endif // wxUSE_MENUS
 326 }
 327
 328 // ----------------------------------------------------------------------------
 329 // event handlers for status bar updates from menus
 330 // ----------------------------------------------------------------------------
 331
 332 #if wxUSE_MENUS && wxUSE_STATUSBAR
 333
 334 void wxFrameBase::OnMenuHighlight(wxMenuEvent& event)
 335 {
 336 #if wxUSE_STATUSBAR
 337     (void)ShowMenuHelp(event.GetMenuId());
 338 #endif // wxUSE_STATUSBAR
 339 }
 340
 341 void wxFrameBase::OnMenuOpen(wxMenuEvent& event)
 342 {
 343     if ( !ShouldUpdateMenuFromIdle() )
 344     {
 345         // as we didn't update the menus from idle time, do it now
 346         DoMenuUpdates(event.GetMenu());
 347     }
 348 }
 349
 350 void wxFrameBase::OnMenuClose(wxMenuEvent& WXUNUSED(event))
 351 {
 352     DoGiveHelp(wxEmptyString, false);
 353 }
 354
 355 #endif // wxUSE_MENUS && wxUSE_STATUSBAR
 356
 357 // Implement internal behaviour (menu updating on some platforms)
 358 void wxFrameBase::OnInternalIdle()
 359 {
 360     wxTopLevelWindow::OnInternalIdle();
 361
 362 #if wxUSE_MENUS
 363     if ( ShouldUpdateMenuFromIdle() && wxUpdateUIEvent::CanUpdate(this) )
 364         DoMenuUpdates();
 365 #endif
 366 }
 367
 368 // ----------------------------------------------------------------------------
 369 // status bar stuff
 370 // ----------------------------------------------------------------------------
 371
 372 #if wxUSE_STATUSBAR
 373
 374 wxStatusBar* wxFrameBase::CreateStatusBar(int number,
 375                                           long style,
 376                                           wxWindowID id,
 377                                           const wxString& name)
 378 {
 379     // the main status bar can only be created once (or else it should be
 380     // deleted before calling CreateStatusBar() again)
 381     wxCHECK_MSG( !m_frameStatusBar, NULL,
 382                  wxT("recreating status bar in wxFrame") );
 383
 384     SetStatusBar(OnCreateStatusBar(number, style, id, name));
 385
 386     return m_frameStatusBar;
 387 }
 388
 389 wxStatusBar *wxFrameBase::OnCreateStatusBar(int number,
 390                                             long style,
 391                                             wxWindowID id,
 392                                             const wxString& name)
 393 {
 394     wxStatusBar *statusBar = new wxStatusBar(this, id, style, name);
 395
 396     statusBar->SetFieldsCount(number);
 397
 398     return statusBar;
 399 }
 400
 401 void wxFrameBase::SetStatusText(const wxString& text, int number)
 402 {
 403     wxCHECK_RET( m_frameStatusBar != NULL, wxT("no statusbar to set text for") );
 404
 405     m_frameStatusBar->SetStatusText(text, number);
 406 }
 407
 408 void wxFrameBase::SetStatusWidths(int n, const int widths_field[] )
 409 {
 410     wxCHECK_RET( m_frameStatusBar != NULL, wxT("no statusbar to set widths for") );
 411
 412     m_frameStatusBar->SetStatusWidths(n, widths_field);
 413
 414     PositionStatusBar();
 415 }
 416
 417 void wxFrameBase::PushStatusText(const wxString& text, int number)
 418 {
 419     wxCHECK_RET( m_frameStatusBar != NULL, wxT("no statusbar to set text for") );
 420
 421     m_frameStatusBar->PushStatusText(text, number);
 422 }
 423
 424 void wxFrameBase::PopStatusText(int number)
 425 {
 426     wxCHECK_RET( m_frameStatusBar != NULL, wxT("no statusbar to set text for") );
 427
 428     m_frameStatusBar->PopStatusText(number);
 429 }
 430
 431 bool wxFrameBase::ShowMenuHelp(int menuId)
 432 {
 433 #if wxUSE_MENUS
 434     // if no help string found, we will clear the status bar text
 435     //
 436     // NB: wxID_NONE is used for (sub)menus themselves by wxMSW
 437     wxString helpString;
 438     if ( menuId != wxID_SEPARATOR && menuId != wxID_NONE )
 439     {
 440         const wxMenuItem * const item = FindItemInMenuBar(menuId);
 441         if ( item && !item->IsSeparator() )
 442             helpString = item->GetHelp();
 443
 444         // notice that it's ok if we don't find the item because it might
 445         // belong to the popup menu, so don't assert here
 446     }
 447
 448     DoGiveHelp(helpString, true);
 449
 450     return !helpString.empty();
 451 #else // !wxUSE_MENUS
 452     return false;
 453 #endif // wxUSE_MENUS/!wxUSE_MENUS
 454 }
 455
 456 void wxFrameBase::SetStatusBar(wxStatusBar *statBar)
 457 {
 458     bool hadBar = m_frameStatusBar != NULL;
 459     m_frameStatusBar = statBar;
 460
 461     if ( (m_frameStatusBar != NULL) != hadBar )
 462     {
 463         PositionStatusBar();
 464
 465         DoLayout();
 466     }
 467 }
 468
 469 #endif // wxUSE_STATUSBAR
 470
 471 #if wxUSE_MENUS || wxUSE_TOOLBAR
 472 void wxFrameBase::DoGiveHelp(const wxString& help, bool show)
 473 {
 474 #if wxUSE_STATUSBAR
 475     if ( m_statusBarPane < 0 )
 476     {
 477         // status bar messages disabled
 478         return;
 479     }
 480
 481     wxStatusBar *statbar = GetStatusBar();
 482     if ( !statbar )
 483         return;
 484
 485     wxString text;
 486     if ( show )
 487     {
 488         // remember the old status bar text if this is the first time we're
 489         // called since the menu has been opened as we're going to overwrite it
 490         // in our DoGiveHelp() and we want to restore it when the menu is
 491         // closed
 492         //
 493         // note that it would be logical to do this in OnMenuOpen() but under
 494         // MSW we get an EVT_MENU_HIGHLIGHT before EVT_MENU_OPEN, strangely
 495         // enough, and so this doesn't work and instead we use the ugly trick
 496         // with using special m_oldStatusText value as "menu opened" (but it is
 497         // arguably better than adding yet another member variable to wxFrame
 498         // on all platforms)
 499         if ( m_oldStatusText.empty() )
 500         {
 501             m_oldStatusText = statbar->GetStatusText(m_statusBarPane);
 502             if ( m_oldStatusText.empty() )
 503             {
 504                 // use special value to prevent us from doing this the next time
 505                 m_oldStatusText += wxT('\0');
 506             }
 507         }
 508
 509         m_lastHelpShown =
 510         text = help;
 511     }
 512     else // hide help, restore the original text
 513     {
 514         // clear the last shown help string but remember its value
 515         wxString lastHelpShown;
 516         lastHelpShown.swap(m_lastHelpShown);
 517
 518         // also clear the old status text but remember it too to restore it
 519         // below
 520         text.swap(m_oldStatusText);
 521
 522         if ( statbar->GetStatusText(m_statusBarPane) != lastHelpShown )
 523         {
 524             // if the text was changed with an explicit SetStatusText() call
 525             // from the user code in the meanwhile, do not overwrite it with
 526             // the old status bar contents -- this is almost certainly not what
 527             // the user expects and would be very hard to avoid from user code
 528             return;
 529         }
 530     }
 531
 532     statbar->SetStatusText(text, m_statusBarPane);
 533 #else
 534     wxUnusedVar(help);
 535     wxUnusedVar(show);
 536 #endif // wxUSE_STATUSBAR
 537 }
 538 #endif // wxUSE_MENUS || wxUSE_TOOLBAR
 539
 540
 541 // ----------------------------------------------------------------------------
 542 // toolbar stuff
 543 // ----------------------------------------------------------------------------
 544
 545 #if wxUSE_TOOLBAR
 546
 547 wxToolBar* wxFrameBase::CreateToolBar(long style,
 548                                       wxWindowID id,
 549                                       const wxString& name)
 550 {
 551     // the main toolbar can't be recreated (unless it was explicitly deleted
 552     // before)
 553     wxCHECK_MSG( !m_frameToolBar, NULL,
 554                  wxT("recreating toolbar in wxFrame") );
 555
 556     if ( style == -1 )
 557     {
 558         // use default style
 559         //
 560         // NB: we don't specify the default value in the method declaration
 561         //     because
 562         //      a) this allows us to have different defaults for different
 563         //         platforms (even if we don't have them right now)
 564         //      b) we don't need to include wx/toolbar.h in the header then
 565         style = wxBORDER_NONE | wxTB_HORIZONTAL | wxTB_FLAT;
 566     }
 567
 568     SetToolBar(OnCreateToolBar(style, id, name));
 569
 570     return m_frameToolBar;
 571 }
 572
 573 wxToolBar* wxFrameBase::OnCreateToolBar(long style,
 574                                         wxWindowID id,
 575                                         const wxString& name)
 576 {
 577 #if defined(__WXWINCE__) && defined(__POCKETPC__)
 578     return new wxToolMenuBar(this, id,
 579                          wxDefaultPosition, wxDefaultSize,
 580                          style, name);
 581 #else
 582     return new wxToolBar(this, id,
 583                          wxDefaultPosition, wxDefaultSize,
 584                          style, name);
 585 #endif
 586 }
 587
 588 void wxFrameBase::SetToolBar(wxToolBar *toolbar)
 589 {
 590     if ( (toolbar != NULL) != (m_frameToolBar != NULL) )
 591     {
 592         // the toolbar visibility must have changed so we need to both position
 593         // the toolbar itself (if it appeared) and to relayout the frame
 594         // contents in any case
 595
 596         if ( toolbar )
 597         {
 598             // we need to assign it to m_frameToolBar for PositionToolBar() to
 599             // do anything
 600             m_frameToolBar = toolbar;
 601             PositionToolBar();
 602         }
 603         //else: tricky: do not reset m_frameToolBar yet as otherwise DoLayout()
 604         //      wouldn't recognize the (still existing) toolbar as one of our
 605         //      bars and wouldn't layout the single child of the frame correctly
 606
 607
 608         // and this is even more tricky: we want DoLayout() to recognize the
 609         // old toolbar for the purpose of not counting it among our non-bar
 610         // children but we don't want to reserve any more space for it so we
 611         // temporarily hide it
 612         if ( m_frameToolBar )
 613             m_frameToolBar->Hide();
 614
 615         DoLayout();
 616
 617         if ( m_frameToolBar )
 618             m_frameToolBar->Show();
 619     }
 620
 621     // this might have been already done above but it's simpler to just always
 622     // do it unconditionally instead of testing for whether we already did it
 623     m_frameToolBar = toolbar;
 624 }
 625
 626 #endif // wxUSE_TOOLBAR
 627
 628 // ----------------------------------------------------------------------------
 629 // menus
 630 // ----------------------------------------------------------------------------
 631
 632 #if wxUSE_MENUS
 633
 634 // update all menus
 635 void wxFrameBase::DoMenuUpdates(wxMenu* menu)
 636 {
 637     if (menu)
 638     {
 639         wxEvtHandler* source = GetEventHandler();
 640         menu->UpdateUI(source);
 641     }
 642     else
 643     {
 644         wxMenuBar* bar = GetMenuBar();
 645         if (bar != NULL)
 646             bar->UpdateMenus();
 647     }
 648 }
 649
 650 void wxFrameBase::DetachMenuBar()
 651 {
 652     if ( m_frameMenuBar )
 653     {
 654         m_frameMenuBar->Detach();
 655         m_frameMenuBar = NULL;
 656     }
 657 }
 658
 659 void wxFrameBase::AttachMenuBar(wxMenuBar *menubar)
 660 {
 661     if ( menubar )
 662     {
 663         menubar->Attach((wxFrame *)this);
 664         m_frameMenuBar = menubar;
 665     }
 666 }
 667
 668 void wxFrameBase::SetMenuBar(wxMenuBar *menubar)
 669 {
 670     if ( menubar == GetMenuBar() )
 671     {
 672         // nothing to do
 673         return;
 674     }
 675
 676     DetachMenuBar();
 677
 678     this->AttachMenuBar(menubar);
 679 }
 680
 681 wxMenuItem *wxFrameBase::FindItemInMenuBar(int menuId) const
 682 {
 683     const wxMenuBar * const menuBar = GetMenuBar();
 684
 685     return menuBar ? menuBar->FindItem(menuId) : NULL;
 686 }
 687
 688 #endif // wxUSE_MENUS