src/generic/mdig.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/generic/mdig.cpp
   3 // Purpose:     Generic MDI (Multiple Document Interface) classes
   4 // Author:      Hans Van Leemputten
   5 // Modified by:
   6 // Created:     29/07/2002
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Hans Van Leemputten
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ===========================================================================
  13 // declarations
  14 // ===========================================================================
  15
  16 // ---------------------------------------------------------------------------
  17 // headers
  18 // ---------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "mdig.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include "wx/panel.h"
  33     #include "wx/menu.h"
  34 #endif //WX_PRECOMP
  35
  36 #include "wx/generic/mdig.h"
  37
  38 enum MDI_MENU_ID
  39 {
  40     wxWINDOWCLOSE = 4001,
  41     wxWINDOWCLOSEALL,
  42     wxWINDOWNEXT,
  43     wxWINDOWPREV
  44 };
  45
  46 //-----------------------------------------------------------------------------
  47 // wxGenericMDIParentFrame
  48 //-----------------------------------------------------------------------------
  49
  50 IMPLEMENT_DYNAMIC_CLASS(wxGenericMDIParentFrame, wxFrame)
  51
  52 BEGIN_EVENT_TABLE(wxGenericMDIParentFrame, wxFrame)
  53     EVT_MENU (-1, wxGenericMDIParentFrame::DoHandleMenu)
  54 END_EVENT_TABLE()
  55
  56 wxGenericMDIParentFrame::wxGenericMDIParentFrame()
  57 {
  58     Init();
  59 }
  60
  61 wxGenericMDIParentFrame::wxGenericMDIParentFrame(wxWindow *parent,
  62                                    wxWindowID id,
  63                                    const wxString& title,
  64                                    const wxPoint& pos,
  65                                    const wxSize& size,
  66                                    long style,
  67                                    const wxString& name)
  68 {
  69     Init();
  70
  71     (void)Create(parent, id, title, pos, size, style, name);
  72 }
  73
  74 wxGenericMDIParentFrame::~wxGenericMDIParentFrame()
  75 {
  76     // Make sure the client window is destructed before the menu bars are!
  77     wxDELETE(m_pClientWindow);
  78
  79 #if wxUSE_MENUS
  80     if (m_pMyMenuBar)
  81     {
  82         delete m_pMyMenuBar;
  83         m_pMyMenuBar = (wxMenuBar *) NULL;
  84     }
  85
  86     RemoveWindowMenu(GetMenuBar());
  87
  88     if (m_pWindowMenu)
  89     {
  90         delete m_pWindowMenu;
  91         m_pWindowMenu = (wxMenu*) NULL;
  92     }
  93 #endif // wxUSE_MENUS
  94 }
  95
  96 bool wxGenericMDIParentFrame::Create(wxWindow *parent,
  97                               wxWindowID id,
  98                               const wxString& title,
  99                               const wxPoint& pos,
 100                               const wxSize& size,
 101                               long style,
 102                               const wxString& name)
 103 {
 104   // this style can be used to prevent a window from having the standard MDI
 105   // "Window" menu
 106   if ( !(style & wxFRAME_NO_WINDOW_MENU) )
 107   {
 108 #if wxUSE_MENUS
 109       m_pWindowMenu = new wxMenu;
 110
 111       m_pWindowMenu->Append(wxWINDOWCLOSE,    _T("Cl&ose"));
 112       m_pWindowMenu->Append(wxWINDOWCLOSEALL, _T("Close Al&l"));
 113       m_pWindowMenu->AppendSeparator();
 114       m_pWindowMenu->Append(wxWINDOWNEXT,     _T("&Next"));
 115       m_pWindowMenu->Append(wxWINDOWPREV,     _T("&Previouse"));
 116 #endif // wxUSE_MENUS
 117   }
 118
 119   wxFrame::Create( parent, id, title, pos, size, style, name );
 120
 121   OnCreateClient();
 122
 123   return TRUE;
 124 }
 125
 126 #if wxUSE_MENUS
 127 void wxGenericMDIParentFrame::SetWindowMenu(wxMenu* pMenu)
 128 {
 129     // Replace the window menu from the currently loaded menu bar.
 130     wxMenuBar *pMenuBar = GetMenuBar();
 131
 132     if (m_pWindowMenu)
 133     {
 134         RemoveWindowMenu(pMenuBar);
 135
 136         wxDELETE(m_pWindowMenu);
 137     }
 138
 139     if (pMenu)
 140     {
 141         m_pWindowMenu = pMenu;
 142
 143         AddWindowMenu(pMenuBar);
 144     }
 145 }
 146
 147 void wxGenericMDIParentFrame::SetMenuBar(wxMenuBar *pMenuBar)
 148 {
 149     // Remove the Window menu from the old menu bar
 150     RemoveWindowMenu(GetMenuBar());
 151     // Add the Window menu to the new menu bar.
 152     AddWindowMenu(pMenuBar);
 153
 154     wxFrame::SetMenuBar(pMenuBar);
 155 }
 156 #endif // wxUSE_MENUS
 157
 158 void wxGenericMDIParentFrame::SetChildMenuBar(wxGenericMDIChildFrame *pChild)
 159 {
 160 #if wxUSE_MENUS
 161     if (pChild  == (wxGenericMDIChildFrame *) NULL)
 162     {
 163         // No Child, set Our menu bar back.
 164         SetMenuBar(m_pMyMenuBar);
 165
 166         // Make sure we know our menu bar is in use
 167         m_pMyMenuBar = (wxMenuBar*) NULL;
 168     }
 169     else
 170     {
 171         if (pChild->GetMenuBar() == (wxMenuBar*) NULL)
 172             return;
 173
 174         // Do we need to save the current bar?
 175         if (m_pMyMenuBar == NULL)
 176             m_pMyMenuBar = GetMenuBar();
 177
 178         SetMenuBar(pChild->GetMenuBar());
 179     }
 180 #endif // wxUSE_MENUS
 181 }
 182
 183 bool wxGenericMDIParentFrame::ProcessEvent(wxEvent& event)
 184 {
 185     /*
 186      * Redirect events to active child first.
 187      */
 188
 189     // Stops the same event being processed repeatedly
 190     static wxEventType inEvent = wxEVT_NULL;
 191     if (inEvent == event.GetEventType())
 192         return FALSE;
 193
 194     inEvent = event.GetEventType();
 195
 196     // Let the active child (if any) process the event first.
 197     bool res = FALSE;
 198     if (m_pActiveChild && event.IsKindOf(CLASSINFO(wxCommandEvent))
 199 #if 0
 200         /* This is sure to not give problems... */
 201         && (event.GetEventType() == wxEVT_COMMAND_MENU_SELECTED ||
 202             event.GetEventType() == wxEVT_UPDATE_UI ))
 203 #else
 204         /* This was tested on wxMSW and worked... */
 205         && event.GetEventObject() != m_pClientWindow
 206         && !(event.GetEventType() == wxEVT_ACTIVATE ||
 207              event.GetEventType() == wxEVT_SET_FOCUS ||
 208              event.GetEventType() == wxEVT_KILL_FOCUS ||
 209              event.GetEventType() == wxEVT_CHILD_FOCUS ||
 210              event.GetEventType() == wxEVT_COMMAND_SET_FOCUS ||
 211              event.GetEventType() == wxEVT_COMMAND_KILL_FOCUS ))
 212 #endif
 213     {
 214         res = m_pActiveChild->GetEventHandler()->ProcessEvent(event);
 215     }
 216
 217     // If the event was not handled this frame will handle it!
 218     if (!res)
 219     {
 220         res = GetEventHandler()->wxEvtHandler::ProcessEvent(event);
 221     }
 222
 223     inEvent = wxEVT_NULL;
 224
 225     return res;
 226 }
 227
 228 wxGenericMDIChildFrame *wxGenericMDIParentFrame::GetActiveChild() const
 229 {
 230     return m_pActiveChild;
 231 }
 232
 233 void wxGenericMDIParentFrame::SetActiveChild(wxGenericMDIChildFrame* pChildFrame)
 234 {
 235     m_pActiveChild = pChildFrame;
 236 }
 237
 238 wxGenericMDIClientWindow *wxGenericMDIParentFrame::GetClientWindow() const
 239 {
 240     return m_pClientWindow;
 241 }
 242
 243 wxGenericMDIClientWindow *wxGenericMDIParentFrame::OnCreateClient()
 244 {
 245 #if wxUSE_GENERIC_MDI_AS_NATIVE
 246     m_pClientWindow = new wxMDIClientWindow( this );
 247 #else
 248     m_pClientWindow = new wxGenericMDIClientWindow( this );
 249 #endif
 250     return m_pClientWindow;
 251 }
 252
 253 void wxGenericMDIParentFrame::ActivateNext()
 254 {
 255     if (m_pClientWindow && m_pClientWindow->GetSelection() != -1)
 256     {
 257         int active = m_pClientWindow->GetSelection() + 1;
 258         if (active >= m_pClientWindow->GetPageCount())
 259             active = 0;
 260
 261         m_pClientWindow->SetSelection(active);
 262     }
 263 }
 264
 265 void wxGenericMDIParentFrame::ActivatePrevious()
 266 {
 267     if (m_pClientWindow && m_pClientWindow->GetSelection() != -1)
 268     {
 269         int active = m_pClientWindow->GetSelection() - 1;
 270         if (active < 0)
 271             active = m_pClientWindow->GetPageCount() - 1;
 272
 273         m_pClientWindow->SetSelection(active);
 274     }
 275 }
 276
 277 void wxGenericMDIParentFrame::Init()
 278 {
 279     m_pClientWindow = (wxGenericMDIClientWindow *) NULL;
 280     m_pActiveChild = (wxGenericMDIChildFrame *) NULL;
 281 #if wxUSE_MENUS
 282     m_pWindowMenu = (wxMenu *) NULL;
 283     m_pMyMenuBar = (wxMenuBar*) NULL;
 284 #endif // wxUSE_MENUS
 285 }
 286
 287 #if wxUSE_MENUS
 288 void wxGenericMDIParentFrame::RemoveWindowMenu(wxMenuBar *pMenuBar)
 289 {
 290     if (pMenuBar && m_pWindowMenu)
 291     {
 292         // Remove old window menu
 293         int pos = pMenuBar->FindMenu(_T("&Window"));
 294         if (pos != wxNOT_FOUND)
 295         {
 296             wxASSERT(m_pWindowMenu == pMenuBar->GetMenu(pos)); // DBG:: We're going to delete the wrong menu!!!
 297             pMenuBar->Remove(pos);
 298         }
 299     }
 300 }
 301
 302 void wxGenericMDIParentFrame::AddWindowMenu(wxMenuBar *pMenuBar)
 303 {
 304     if (pMenuBar && m_pWindowMenu)
 305     {
 306         int pos = pMenuBar->FindMenu(_T("Help"));
 307         if (pos == wxNOT_FOUND)
 308         {
 309             pMenuBar->Append(m_pWindowMenu, _T("&Window"));
 310         }
 311         else
 312         {
 313             pMenuBar->Insert(pos, m_pWindowMenu, _T("&Window"));
 314         }
 315     }
 316 }
 317
 318 void wxGenericMDIParentFrame::DoHandleMenu(wxCommandEvent &event)
 319 {
 320     switch (event.GetId())
 321     {
 322     case wxWINDOWCLOSE:
 323         if (m_pActiveChild)
 324         {
 325             m_pActiveChild->Close();
 326         }
 327         break;
 328     case wxWINDOWCLOSEALL:
 329         {
 330 #if 0   // code is only needed if next #if is set to 0!
 331             wxGenericMDIChildFrame *pFirstActiveChild = m_pActiveChild;
 332 #endif
 333             while (m_pActiveChild)
 334             {
 335                 if (!m_pActiveChild->Close())
 336                 {
 337                     return; // We failed...
 338                 }
 339                 else
 340                 {
 341 #if 1   // What's best? Delayed deleting or immediate deleting?
 342                     delete m_pActiveChild;
 343 #else
 344                     ActivateNext();
 345
 346                     if (pFirstActiveChild == m_pActiveChild)
 347                         return; // We've called Close on all items, no need to continue.
 348 #endif
 349                 }
 350             }
 351         }
 352         break;
 353     case wxWINDOWNEXT:
 354         ActivateNext();
 355         break;
 356     case wxWINDOWPREV:
 357         ActivatePrevious();
 358         break;
 359     default :
 360         event.Skip();
 361     }
 362 }
 363 #endif // wxUSE_MENUS
 364
 365 void wxGenericMDIParentFrame::DoGetClientSize(int *width, int *height) const
 366 {
 367     wxFrame::DoGetClientSize( width, height );
 368 }
 369
 370
 371 //-----------------------------------------------------------------------------
 372 // wxGenericMDIChildFrame
 373 //-----------------------------------------------------------------------------
 374
 375 IMPLEMENT_DYNAMIC_CLASS(wxGenericMDIChildFrame, wxPanel)
 376
 377 BEGIN_EVENT_TABLE(wxGenericMDIChildFrame, wxPanel)
 378     EVT_MENU_HIGHLIGHT_ALL(wxGenericMDIChildFrame::OnMenuHighlight)
 379     EVT_ACTIVATE(wxGenericMDIChildFrame::OnActivate)
 380
 381     EVT_CLOSE(wxGenericMDIChildFrame::OnCloseWindow)
 382     EVT_SIZE(wxGenericMDIChildFrame::OnSize)
 383 END_EVENT_TABLE()
 384
 385 wxGenericMDIChildFrame::wxGenericMDIChildFrame()
 386 {
 387     Init();
 388 }
 389
 390 wxGenericMDIChildFrame::wxGenericMDIChildFrame( wxGenericMDIParentFrame *parent,
 391       wxWindowID id, const wxString& title,
 392       const wxPoint& WXUNUSED(pos), const wxSize& size,
 393       long style, const wxString& name )
 394 {
 395     Init();
 396
 397     Create( parent, id, title, wxDefaultPosition, size, style, name );
 398 }
 399
 400 #include "wx/log.h"
 401 wxGenericMDIChildFrame::~wxGenericMDIChildFrame()
 402 {
 403     wxGenericMDIParentFrame *pParentFrame = GetMDIParentFrame();
 404
 405     if (pParentFrame != NULL)
 406     {
 407         bool bActive = FALSE;
 408         if (pParentFrame->GetActiveChild() == this)
 409         {
 410             pParentFrame->SetActiveChild((wxGenericMDIChildFrame*) NULL);
 411             pParentFrame->SetChildMenuBar((wxGenericMDIChildFrame*) NULL);
 412             bActive = TRUE;
 413         }
 414
 415         wxGenericMDIClientWindow *pClientWindow = pParentFrame->GetClientWindow();
 416
 417         // Remove page if still there
 418         int pos;
 419         for (pos = 0; pos < pClientWindow->GetPageCount(); pos++)
 420         {
 421             if (pClientWindow->GetPage(pos) == this)
 422             {
 423                 if (pClientWindow->RemovePage(pos))
 424                     pClientWindow->Refresh();
 425                 break;
 426             }
 427         }
 428
 429         if (bActive)
 430         {
 431             // Set the new selection to the a remaining page
 432             if (pClientWindow->GetPageCount() > pos)
 433             {
 434                 pClientWindow->SetSelection(pos);
 435             }
 436             else
 437             {
 438                 if (pClientWindow->GetPageCount() - 1 >= 0)
 439                     pClientWindow->SetSelection(pClientWindow->GetPageCount() - 1);
 440             }
 441         }
 442     }
 443
 444 #if wxUSE_MENUS
 445     wxDELETE(m_pMenuBar);
 446 #endif // wxUSE_MENUS
 447 }
 448
 449 bool wxGenericMDIChildFrame::Create( wxGenericMDIParentFrame *parent,
 450       wxWindowID id, const wxString& title,
 451       const wxPoint& WXUNUSED(pos), const wxSize& size,
 452       long style, const wxString& name )
 453 {
 454     wxGenericMDIClientWindow* pClientWindow = parent->GetClientWindow();
 455
 456     wxASSERT_MSG((pClientWindow != (wxWindow*) NULL), "Missing MDI client window.");
 457
 458     wxPanel::Create(pClientWindow, id, wxDefaultPosition, size, style, name);
 459
 460     SetMDIParentFrame(parent);
 461
 462     // This is the currently active child
 463     parent->SetActiveChild(this);
 464
 465     m_Title = title;
 466
 467     pClientWindow->AddPage(this, title, TRUE);
 468     ApplyMDIChildFrameRect();   // Ok confirme the size change!
 469     pClientWindow->Refresh();
 470
 471     return TRUE;
 472 }
 473
 474 #if wxUSE_MENUS
 475 void wxGenericMDIChildFrame::SetMenuBar( wxMenuBar *menu_bar )
 476 {
 477     wxMenuBar *pOldMenuBar = m_pMenuBar;
 478     m_pMenuBar = menu_bar;
 479
 480     if (m_pMenuBar)
 481     {
 482         wxGenericMDIParentFrame *pParentFrame = GetMDIParentFrame();
 483
 484         if (pParentFrame != NULL)
 485         {
 486             m_pMenuBar->SetParent(pParentFrame);
 487
 488             if (pParentFrame->GetActiveChild() == this)
 489             {
 490                 // Replace current menu bars
 491                 if (pOldMenuBar)
 492                     pParentFrame->SetChildMenuBar((wxGenericMDIChildFrame*) NULL);
 493                 pParentFrame->SetChildMenuBar((wxGenericMDIChildFrame*) this);
 494             }
 495         }
 496     }
 497 }
 498
 499 wxMenuBar *wxGenericMDIChildFrame::GetMenuBar() const
 500 {
 501     return m_pMenuBar;
 502 }
 503 #endif // wxUSE_MENUS
 504
 505 void wxGenericMDIChildFrame::SetTitle(const wxString& title)
 506 {
 507     m_Title = title;
 508
 509     wxGenericMDIParentFrame *pParentFrame = GetMDIParentFrame();
 510
 511     if (pParentFrame != NULL)
 512     {
 513         wxGenericMDIClientWindow * pClientWindow = pParentFrame->GetClientWindow();
 514
 515         if (pClientWindow != NULL)
 516         {
 517             int pos;
 518             for (pos = 0; pos < pClientWindow->GetPageCount(); pos++)
 519             {
 520                 if (pClientWindow->GetPage(pos) == this)
 521                 {
 522                     pClientWindow->SetPageText(pos, m_Title);
 523                     break;
 524                 }
 525             }
 526         }
 527     }
 528 }
 529
 530 wxString wxGenericMDIChildFrame::GetTitle()
 531 {
 532     return m_Title;
 533 }
 534
 535 void wxGenericMDIChildFrame::Activate()
 536 {
 537     wxGenericMDIParentFrame *pParentFrame = GetMDIParentFrame();
 538
 539     if (pParentFrame != NULL)
 540     {
 541         wxGenericMDIClientWindow * pClientWindow = pParentFrame->GetClientWindow();
 542
 543         if (pClientWindow != NULL)
 544         {
 545             int pos;
 546             for (pos = 0; pos < pClientWindow->GetPageCount(); pos++)
 547             {
 548                 if (pClientWindow->GetPage(pos) == this)
 549                 {
 550                     pClientWindow->SetSelection(pos);
 551                     break;
 552                 }
 553             }
 554         }
 555     }
 556 }
 557
 558 void wxGenericMDIChildFrame::OnMenuHighlight(wxMenuEvent& event)
 559 {
 560 #if wxUSE_STATUSBAR
 561     if ( m_pMDIParentFrame)
 562     {
 563         // we don't have any help text for this item,
 564         // but may be the MDI frame does?
 565         m_pMDIParentFrame->OnMenuHighlight(event);
 566     }
 567 #endif // wxUSE_STATUSBAR
 568 }
 569
 570 void wxGenericMDIChildFrame::OnActivate(wxActivateEvent& event)
 571 {
 572     // Do mothing.
 573 }
 574
 575 /*** Copied from top level..! ***/
 576 // default resizing behaviour - if only ONE subwindow, resize to fill the
 577 // whole client area
 578 void wxGenericMDIChildFrame::OnSize(wxSizeEvent& WXUNUSED(event))
 579 {
 580     // if we're using constraints or sizers - do use them
 581     if ( GetAutoLayout() )
 582     {
 583         Layout();
 584     }
 585     else
 586     {
 587         // do we have _exactly_ one child?
 588         wxWindow *child = (wxWindow *)NULL;
 589         for ( wxWindowList::Node *node = GetChildren().GetFirst();
 590               node;
 591               node = node->GetNext() )
 592         {
 593             wxWindow *win = node->GetData();
 594
 595             // exclude top level and managed windows (status bar isn't
 596             // currently in the children list except under wxMac anyhow, but
 597             // it makes no harm to test for it)
 598             if ( !win->IsTopLevel() /*&& !IsOneOfBars(win)*/ )
 599             {
 600                 if ( child )
 601                 {
 602                     return;     // it's our second subwindow - nothing to do
 603                 }
 604
 605                 child = win;
 606             }
 607         }
 608
 609         // do we have any children at all?
 610         if ( child )
 611         {
 612             // exactly one child - set it's size to fill the whole frame
 613             int clientW, clientH;
 614             DoGetClientSize(&clientW, &clientH);
 615
 616             // for whatever reasons, wxGTK wants to have a small offset - it
 617             // probably looks better with it?
 618 #ifdef __WXGTK__
 619             static const int ofs = 1;
 620 #else
 621             static const int ofs = 0;
 622 #endif
 623
 624             child->SetSize(ofs, ofs, clientW - 2*ofs, clientH - 2*ofs);
 625         }
 626     }
 627 }
 628
 629 /*** Copied from top level..! ***/
 630 // The default implementation for the close window event.
 631 void wxGenericMDIChildFrame::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
 632 {
 633     Destroy();
 634 }
 635
 636 void wxGenericMDIChildFrame::SetMDIParentFrame(wxGenericMDIParentFrame* parentFrame)
 637 {
 638     m_pMDIParentFrame = parentFrame;
 639 }
 640
 641 wxGenericMDIParentFrame* wxGenericMDIChildFrame::GetMDIParentFrame() const
 642 {
 643     return m_pMDIParentFrame;
 644 }
 645
 646 void wxGenericMDIChildFrame::Init()
 647 {
 648     m_pMDIParentFrame = (wxGenericMDIParentFrame *) NULL;
 649 #if wxUSE_MENUS
 650     m_pMenuBar = (wxMenuBar *) NULL;
 651 #endif // wxUSE_MENUS
 652 }
 653
 654 void wxGenericMDIChildFrame::DoMoveWindow(int x, int y, int width, int height)
 655 {
 656     m_MDIRect = wxRect(x, y, width, height);
 657 }
 658
 659 void wxGenericMDIChildFrame::ApplyMDIChildFrameRect()
 660 {
 661     wxPanel::DoMoveWindow(m_MDIRect.x, m_MDIRect.y, m_MDIRect.width, m_MDIRect.height);
 662 }
 663
 664 //-----------------------------------------------------------------------------
 665 // wxGenericMDIClientWindow
 666 //-----------------------------------------------------------------------------
 667
 668 #define wxID_NOTEBOOK_CLIENT_AREA wxID_HIGHEST + 100
 669
 670 IMPLEMENT_DYNAMIC_CLASS(wxGenericMDIClientWindow, wxNotebook)
 671
 672 BEGIN_EVENT_TABLE(wxGenericMDIClientWindow, wxNotebook)
 673     EVT_NOTEBOOK_PAGE_CHANGED(wxID_NOTEBOOK_CLIENT_AREA, wxGenericMDIClientWindow::OnPageChanged)
 674     EVT_SIZE(wxGenericMDIClientWindow::OnSize)
 675 END_EVENT_TABLE()
 676
 677
 678 wxGenericMDIClientWindow::wxGenericMDIClientWindow()
 679 {
 680 }
 681
 682 wxGenericMDIClientWindow::wxGenericMDIClientWindow( wxGenericMDIParentFrame *parent, long style )
 683 {
 684     CreateClient( parent, style );
 685 }
 686
 687 wxGenericMDIClientWindow::~wxGenericMDIClientWindow()
 688 {
 689     DestroyChildren();
 690 }
 691
 692 bool wxGenericMDIClientWindow::CreateClient( wxGenericMDIParentFrame *parent, long style )
 693 {
 694     SetWindowStyleFlag(style);
 695
 696     bool success = wxNotebook::Create(parent, wxID_NOTEBOOK_CLIENT_AREA, wxPoint(0, 0), wxSize(100, 100), 0);
 697     if (success)
 698     {
 699         /*
 700         wxFont font(10, wxSWISS, wxNORMAL, wxNORMAL);
 701         wxFont selFont(10, wxSWISS, wxNORMAL, wxBOLD);
 702         GetTabView()->SetTabFont(font);
 703         GetTabView()->SetSelectedTabFont(selFont);
 704         GetTabView()->SetTabSize(120, 18);
 705         GetTabView()->SetTabSelectionHeight(20);
 706         */
 707         return TRUE;
 708     }
 709     else
 710         return FALSE;
 711 }
 712
 713 int wxGenericMDIClientWindow::SetSelection(int nPage)
 714 {
 715     int oldSelection = wxNotebook::SetSelection(nPage);
 716
 717 #if !defined(__WXMSW__) // No need to do this for wxMSW as wxNotebook::SetSelection()
 718                         // will already cause this to be done!
 719     // Handle the page change.
 720     PageChanged(oldSelection, nPage);
 721 #endif
 722
 723     return oldSelection;
 724 }
 725
 726 void wxGenericMDIClientWindow::PageChanged(int OldSelection, int newSelection)
 727 {
 728     // Don't do to much work, only when something realy should change!
 729     if (OldSelection == newSelection)
 730         return;
 731     // Again check if we realy need to do this...
 732     if (newSelection != -1)
 733     {
 734         wxGenericMDIChildFrame* child = (wxGenericMDIChildFrame *)GetPage(newSelection);
 735
 736         if (child->GetMDIParentFrame()->GetActiveChild() == child)
 737             return;
 738     }
 739
 740     // Notify old active child that it has been deactivated
 741     if (OldSelection != -1)
 742     {
 743         wxGenericMDIChildFrame* oldChild = (wxGenericMDIChildFrame *)GetPage(OldSelection);
 744         if (oldChild)
 745         {
 746             wxActivateEvent event(wxEVT_ACTIVATE, FALSE, oldChild->GetId());
 747             event.SetEventObject( oldChild );
 748             oldChild->GetEventHandler()->ProcessEvent(event);
 749         }
 750     }
 751
 752     // Notify new active child that it has been activated
 753     if (newSelection != -1)
 754     {
 755         wxGenericMDIChildFrame* activeChild = (wxGenericMDIChildFrame *)GetPage(newSelection);
 756         if (activeChild)
 757         {
 758             wxActivateEvent event(wxEVT_ACTIVATE, TRUE, activeChild->GetId());
 759             event.SetEventObject( activeChild );
 760             activeChild->GetEventHandler()->ProcessEvent(event);
 761
 762             if (activeChild->GetMDIParentFrame())
 763             {
 764                 activeChild->GetMDIParentFrame()->SetActiveChild(activeChild);
 765                 activeChild->GetMDIParentFrame()->SetChildMenuBar(activeChild);
 766             }
 767         }
 768     }
 769 }
 770
 771 void wxGenericMDIClientWindow::OnPageChanged(wxNotebookEvent& event)
 772 {
 773     PageChanged(event.GetOldSelection(), event.GetSelection());
 774
 775     event.Skip();
 776 }
 777
 778 void wxGenericMDIClientWindow::OnSize(wxSizeEvent& event)
 779 {
 780     wxNotebook::OnSize(event);
 781
 782     int pos;
 783     for (pos = 0; pos < GetPageCount(); pos++)
 784     {
 785         ((wxGenericMDIChildFrame *)GetPage(pos))->ApplyMDIChildFrameRect();
 786     }
 787 }
 788
 789
 790 /*
 791  * Define normal wxMDI classes based on wxGenericMDI
 792  */
 793
 794 #if wxUSE_GENERIC_MDI_AS_NATIVE
 795
 796 IMPLEMENT_DYNAMIC_CLASS(wxMDIParentFrame, wxGenericMDIParentFrame)
 797 IMPLEMENT_DYNAMIC_CLASS(wxMDIChildFrame, wxGenericMDIChildFrame)
 798 IMPLEMENT_DYNAMIC_CLASS(wxMDIClientWindow, wxGenericMDIClientWindow)
 799
 800 #endif
 801