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 licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ===========================================================================
  13 // declarations
  14 // ===========================================================================
  15
  16 // ---------------------------------------------------------------------------
  17 // headers
  18 // ---------------------------------------------------------------------------
  19
  20 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  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     #include "wx/intl.h"
  35 #endif //WX_PRECOMP
  36
  37 #include "wx/generic/mdig.h"
  38
  39 enum MDI_MENU_ID
  40 {
  41     wxWINDOWCLOSE = 4001,
  42     wxWINDOWCLOSEALL,
  43     wxWINDOWNEXT,
  44     wxWINDOWPREV
  45 };
  46
  47 //-----------------------------------------------------------------------------
  48 // wxGenericMDIParentFrame
  49 //-----------------------------------------------------------------------------
  50
  51 IMPLEMENT_DYNAMIC_CLASS(wxGenericMDIParentFrame, wxFrame)
  52
  53 BEGIN_EVENT_TABLE(wxGenericMDIParentFrame, wxFrame)
  54 #if wxUSE_MENUS
  55     EVT_MENU (-1, wxGenericMDIParentFrame::DoHandleMenu)
  56 #endif
  57 END_EVENT_TABLE()
  58
  59 wxGenericMDIParentFrame::wxGenericMDIParentFrame()
  60 {
  61     Init();
  62 }
  63
  64 wxGenericMDIParentFrame::wxGenericMDIParentFrame(wxWindow *parent,
  65                                    wxWindowID id,
  66                                    const wxString& title,
  67                                    const wxPoint& pos,
  68                                    const wxSize& size,
  69                                    long style,
  70                                    const wxString& name)
  71 {
  72     Init();
  73
  74     (void)Create(parent, id, title, pos, size, style, name);
  75 }
  76
  77 wxGenericMDIParentFrame::~wxGenericMDIParentFrame()
  78 {
  79     // Make sure the client window is destructed before the menu bars are!
  80     wxDELETE(m_pClientWindow);
  81
  82 #if wxUSE_MENUS
  83     if (m_pMyMenuBar)
  84     {
  85         delete m_pMyMenuBar;
  86         m_pMyMenuBar = (wxMenuBar *) NULL;
  87     }
  88
  89     RemoveWindowMenu(GetMenuBar());
  90
  91     if (m_pWindowMenu)
  92     {
  93         delete m_pWindowMenu;
  94         m_pWindowMenu = (wxMenu*) NULL;
  95     }
  96 #endif // wxUSE_MENUS
  97 }
  98
  99 bool wxGenericMDIParentFrame::Create(wxWindow *parent,
 100                               wxWindowID id,
 101                               const wxString& title,
 102                               const wxPoint& pos,
 103                               const wxSize& size,
 104                               long style,
 105                               const wxString& name)
 106 {
 107   // this style can be used to prevent a window from having the standard MDI
 108   // "Window" menu
 109   if ( !(style & wxFRAME_NO_WINDOW_MENU) )
 110   {
 111 #if wxUSE_MENUS
 112       m_pWindowMenu = new wxMenu;
 113
 114       m_pWindowMenu->Append(wxWINDOWCLOSE,    _("Cl&ose"));
 115       m_pWindowMenu->Append(wxWINDOWCLOSEALL, _("Close All"));
 116       m_pWindowMenu->AppendSeparator();
 117       m_pWindowMenu->Append(wxWINDOWNEXT,     _("&Next"));
 118       m_pWindowMenu->Append(wxWINDOWPREV,     _("&Previous"));
 119 #endif // wxUSE_MENUS
 120   }
 121
 122   wxFrame::Create( parent, id, title, pos, size, style, name );
 123
 124   OnCreateClient();
 125
 126   return TRUE;
 127 }
 128
 129 #if wxUSE_MENUS
 130 void wxGenericMDIParentFrame::SetWindowMenu(wxMenu* pMenu)
 131 {
 132     // Replace the window menu from the currently loaded menu bar.
 133     wxMenuBar *pMenuBar = GetMenuBar();
 134
 135     if (m_pWindowMenu)
 136     {
 137         RemoveWindowMenu(pMenuBar);
 138
 139         wxDELETE(m_pWindowMenu);
 140     }
 141
 142     if (pMenu)
 143     {
 144         m_pWindowMenu = pMenu;
 145
 146         AddWindowMenu(pMenuBar);
 147     }
 148 }
 149
 150 void wxGenericMDIParentFrame::SetMenuBar(wxMenuBar *pMenuBar)
 151 {
 152     // Remove the Window menu from the old menu bar
 153     RemoveWindowMenu(GetMenuBar());
 154     // Add the Window menu to the new menu bar.
 155     AddWindowMenu(pMenuBar);
 156
 157     wxFrame::SetMenuBar(pMenuBar);
 158 }
 159 #endif // wxUSE_MENUS
 160
 161 void wxGenericMDIParentFrame::SetChildMenuBar(wxGenericMDIChildFrame *pChild)
 162 {
 163 #if wxUSE_MENUS
 164     if (pChild  == (wxGenericMDIChildFrame *) NULL)
 165     {
 166         // No Child, set Our menu bar back.
 167         SetMenuBar(m_pMyMenuBar);
 168
 169         // Make sure we know our menu bar is in use
 170         m_pMyMenuBar = (wxMenuBar*) NULL;
 171     }
 172     else
 173     {
 174         if (pChild->GetMenuBar() == (wxMenuBar*) NULL)
 175             return;
 176
 177         // Do we need to save the current bar?
 178         if (m_pMyMenuBar == NULL)
 179             m_pMyMenuBar = GetMenuBar();
 180
 181         SetMenuBar(pChild->GetMenuBar());
 182     }
 183 #endif // wxUSE_MENUS
 184 }
 185
 186 bool wxGenericMDIParentFrame::ProcessEvent(wxEvent& event)
 187 {
 188     /*
 189      * Redirect events to active child first.
 190      */
 191
 192     // Stops the same event being processed repeatedly
 193     static wxEventType inEvent = wxEVT_NULL;
 194     if (inEvent == event.GetEventType())
 195         return FALSE;
 196
 197     inEvent = event.GetEventType();
 198
 199     // Let the active child (if any) process the event first.
 200     bool res = FALSE;
 201     if (m_pActiveChild && event.IsKindOf(CLASSINFO(wxCommandEvent))
 202 #if 0
 203         /* This is sure to not give problems... */
 204         && (event.GetEventType() == wxEVT_COMMAND_MENU_SELECTED ||
 205             event.GetEventType() == wxEVT_UPDATE_UI )
 206 #else
 207         /* This was tested on wxMSW and worked... */
 208         && event.GetEventObject() != m_pClientWindow
 209         && !(event.GetEventType() == wxEVT_ACTIVATE ||
 210              event.GetEventType() == wxEVT_SET_FOCUS ||
 211              event.GetEventType() == wxEVT_KILL_FOCUS ||
 212              event.GetEventType() == wxEVT_CHILD_FOCUS ||
 213              event.GetEventType() == wxEVT_COMMAND_SET_FOCUS ||
 214              event.GetEventType() == wxEVT_COMMAND_KILL_FOCUS )
 215 #endif
 216        )
 217     {
 218         res = m_pActiveChild->GetEventHandler()->ProcessEvent(event);
 219     }
 220
 221     // If the event was not handled this frame will handle it!
 222     if (!res)
 223     {
 224         res = GetEventHandler()->wxEvtHandler::ProcessEvent(event);
 225     }
 226
 227     inEvent = wxEVT_NULL;
 228
 229     return res;
 230 }
 231
 232 wxGenericMDIChildFrame *wxGenericMDIParentFrame::GetActiveChild() const
 233 {
 234     return m_pActiveChild;
 235 }
 236
 237 void wxGenericMDIParentFrame::SetActiveChild(wxGenericMDIChildFrame* pChildFrame)
 238 {
 239     m_pActiveChild = pChildFrame;
 240 }
 241
 242 wxGenericMDIClientWindow *wxGenericMDIParentFrame::GetClientWindow() const
 243 {
 244     return m_pClientWindow;
 245 }
 246
 247 wxGenericMDIClientWindow *wxGenericMDIParentFrame::OnCreateClient()
 248 {
 249 #if wxUSE_GENERIC_MDI_AS_NATIVE
 250     m_pClientWindow = new wxMDIClientWindow( this );
 251 #else
 252     m_pClientWindow = new wxGenericMDIClientWindow( this );
 253 #endif
 254     return m_pClientWindow;
 255 }
 256
 257 void wxGenericMDIParentFrame::ActivateNext()
 258 {
 259     if (m_pClientWindow && m_pClientWindow->GetSelection() != -1)
 260     {
 261         int active = m_pClientWindow->GetSelection() + 1;
 262         if (active >= m_pClientWindow->GetPageCount())
 263             active = 0;
 264
 265         m_pClientWindow->SetSelection(active);
 266     }
 267 }
 268
 269 void wxGenericMDIParentFrame::ActivatePrevious()
 270 {
 271     if (m_pClientWindow && m_pClientWindow->GetSelection() != -1)
 272     {
 273         int active = m_pClientWindow->GetSelection() - 1;
 274         if (active < 0)
 275             active = m_pClientWindow->GetPageCount() - 1;
 276
 277         m_pClientWindow->SetSelection(active);
 278     }
 279 }
 280
 281 void wxGenericMDIParentFrame::Init()
 282 {
 283     m_pClientWindow = (wxGenericMDIClientWindow *) NULL;
 284     m_pActiveChild = (wxGenericMDIChildFrame *) NULL;
 285 #if wxUSE_MENUS
 286     m_pWindowMenu = (wxMenu *) NULL;
 287     m_pMyMenuBar = (wxMenuBar*) NULL;
 288 #endif // wxUSE_MENUS
 289 }
 290
 291 #if wxUSE_MENUS
 292 void wxGenericMDIParentFrame::RemoveWindowMenu(wxMenuBar *pMenuBar)
 293 {
 294     if (pMenuBar && m_pWindowMenu)
 295     {
 296         // Remove old window menu
 297         int pos = pMenuBar->FindMenu(_("&Window"));
 298         if (pos != wxNOT_FOUND)
 299         {
 300             wxASSERT(m_pWindowMenu == pMenuBar->GetMenu(pos)); // DBG:: We're going to delete the wrong menu!!!
 301             pMenuBar->Remove(pos);
 302         }
 303     }
 304 }
 305
 306 void wxGenericMDIParentFrame::AddWindowMenu(wxMenuBar *pMenuBar)
 307 {
 308     if (pMenuBar && m_pWindowMenu)
 309     {
 310         int pos = pMenuBar->FindMenu(_("Help"));
 311         if (pos == wxNOT_FOUND)
 312         {
 313             pMenuBar->Append(m_pWindowMenu, _("&Window"));
 314         }
 315         else
 316         {
 317             pMenuBar->Insert(pos, m_pWindowMenu, _("&Window"));
 318         }
 319     }
 320 }
 321
 322 void wxGenericMDIParentFrame::DoHandleMenu(wxCommandEvent &event)
 323 {
 324     switch (event.GetId())
 325     {
 326     case wxWINDOWCLOSE:
 327         if (m_pActiveChild)
 328         {
 329             m_pActiveChild->Close();
 330         }
 331         break;
 332     case wxWINDOWCLOSEALL:
 333         {
 334 #if 0   // code is only needed if next #if is set to 0!
 335             wxGenericMDIChildFrame *pFirstActiveChild = m_pActiveChild;
 336 #endif
 337             while (m_pActiveChild)
 338             {
 339                 if (!m_pActiveChild->Close())
 340                 {
 341                     return; // We failed...
 342                 }
 343                 else
 344                 {
 345 #if 1   // What's best? Delayed deleting or immediate deleting?
 346                     delete m_pActiveChild;
 347 #else
 348                     ActivateNext();
 349
 350                     if (pFirstActiveChild == m_pActiveChild)
 351                         return; // We've called Close on all items, no need to continue.
 352 #endif
 353                 }
 354             }
 355         }
 356         break;
 357     case wxWINDOWNEXT:
 358         ActivateNext();
 359         break;
 360     case wxWINDOWPREV:
 361         ActivatePrevious();
 362         break;
 363     default :
 364         event.Skip();
 365     }
 366 }
 367 #endif // wxUSE_MENUS
 368
 369 void wxGenericMDIParentFrame::DoGetClientSize(int *width, int *height) const
 370 {
 371     wxFrame::DoGetClientSize( width, height );
 372 }
 373
 374
 375 //-----------------------------------------------------------------------------
 376 // wxGenericMDIChildFrame
 377 //-----------------------------------------------------------------------------
 378
 379 IMPLEMENT_DYNAMIC_CLASS(wxGenericMDIChildFrame, wxPanel)
 380
 381 BEGIN_EVENT_TABLE(wxGenericMDIChildFrame, wxPanel)
 382     EVT_MENU_HIGHLIGHT_ALL(wxGenericMDIChildFrame::OnMenuHighlight)
 383     EVT_ACTIVATE(wxGenericMDIChildFrame::OnActivate)
 384
 385     EVT_CLOSE(wxGenericMDIChildFrame::OnCloseWindow)
 386     EVT_SIZE(wxGenericMDIChildFrame::OnSize)
 387 END_EVENT_TABLE()
 388
 389 wxGenericMDIChildFrame::wxGenericMDIChildFrame()
 390 {
 391     Init();
 392 }
 393
 394 wxGenericMDIChildFrame::wxGenericMDIChildFrame( wxGenericMDIParentFrame *parent,
 395       wxWindowID id, const wxString& title,
 396       const wxPoint& WXUNUSED(pos), const wxSize& size,
 397       long style, const wxString& name )
 398 {
 399     Init();
 400
 401     Create( parent, id, title, wxDefaultPosition, size, style, name );
 402 }
 403
 404 #include "wx/log.h"
 405 wxGenericMDIChildFrame::~wxGenericMDIChildFrame()
 406 {
 407     wxGenericMDIParentFrame *pParentFrame = GetMDIParentFrame();
 408
 409     if (pParentFrame != NULL)
 410     {
 411         bool bActive = FALSE;
 412         if (pParentFrame->GetActiveChild() == this)
 413         {
 414             pParentFrame->SetActiveChild((wxGenericMDIChildFrame*) NULL);
 415             pParentFrame->SetChildMenuBar((wxGenericMDIChildFrame*) NULL);
 416             bActive = TRUE;
 417         }
 418
 419         wxGenericMDIClientWindow *pClientWindow = pParentFrame->GetClientWindow();
 420
 421         // Remove page if still there
 422         int pos;
 423         for (pos = 0; pos < pClientWindow->GetPageCount(); pos++)
 424         {
 425             if (pClientWindow->GetPage(pos) == this)
 426             {
 427                 if (pClientWindow->RemovePage(pos))
 428                     pClientWindow->Refresh();
 429                 break;
 430             }
 431         }
 432
 433         if (bActive)
 434         {
 435             // Set the new selection to the a remaining page
 436             if (pClientWindow->GetPageCount() > pos)
 437             {
 438                 pClientWindow->SetSelection(pos);
 439             }
 440             else
 441             {
 442                 if (pClientWindow->GetPageCount() - 1 >= 0)
 443                     pClientWindow->SetSelection(pClientWindow->GetPageCount() - 1);
 444             }
 445         }
 446     }
 447
 448 #if wxUSE_MENUS
 449     wxDELETE(m_pMenuBar);
 450 #endif // wxUSE_MENUS
 451 }
 452
 453 bool wxGenericMDIChildFrame::Create( wxGenericMDIParentFrame *parent,
 454       wxWindowID id, const wxString& title,
 455       const wxPoint& WXUNUSED(pos), const wxSize& size,
 456       long style, const wxString& name )
 457 {
 458     wxGenericMDIClientWindow* pClientWindow = parent->GetClientWindow();
 459
 460     wxASSERT_MSG((pClientWindow != (wxWindow*) NULL), wxT("Missing MDI client window.") );
 461
 462     wxPanel::Create(pClientWindow, id, wxDefaultPosition, size, style, name);
 463
 464     SetMDIParentFrame(parent);
 465
 466     // This is the currently active child
 467     parent->SetActiveChild(this);
 468
 469     m_Title = title;
 470
 471     pClientWindow->AddPage(this, title, TRUE);
 472     ApplyMDIChildFrameRect();   // Ok confirme the size change!
 473     pClientWindow->Refresh();
 474
 475     return TRUE;
 476 }
 477
 478 #if wxUSE_MENUS
 479 void wxGenericMDIChildFrame::SetMenuBar( wxMenuBar *menu_bar )
 480 {
 481     wxMenuBar *pOldMenuBar = m_pMenuBar;
 482     m_pMenuBar = menu_bar;
 483
 484     if (m_pMenuBar)
 485     {
 486         wxGenericMDIParentFrame *pParentFrame = GetMDIParentFrame();
 487
 488         if (pParentFrame != NULL)
 489         {
 490             m_pMenuBar->SetParent(pParentFrame);
 491
 492             if (pParentFrame->GetActiveChild() == this)
 493             {
 494                 // Replace current menu bars
 495                 if (pOldMenuBar)
 496                     pParentFrame->SetChildMenuBar((wxGenericMDIChildFrame*) NULL);
 497                 pParentFrame->SetChildMenuBar((wxGenericMDIChildFrame*) this);
 498             }
 499         }
 500     }
 501 }
 502
 503 wxMenuBar *wxGenericMDIChildFrame::GetMenuBar() const
 504 {
 505     return m_pMenuBar;
 506 }
 507 #endif // wxUSE_MENUS
 508
 509 void wxGenericMDIChildFrame::SetTitle(const wxString& title)
 510 {
 511     m_Title = title;
 512
 513     wxGenericMDIParentFrame *pParentFrame = GetMDIParentFrame();
 514
 515     if (pParentFrame != NULL)
 516     {
 517         wxGenericMDIClientWindow * pClientWindow = pParentFrame->GetClientWindow();
 518
 519         if (pClientWindow != NULL)
 520         {
 521             int pos;
 522             for (pos = 0; pos < pClientWindow->GetPageCount(); pos++)
 523             {
 524                 if (pClientWindow->GetPage(pos) == this)
 525                 {
 526                     pClientWindow->SetPageText(pos, m_Title);
 527                     break;
 528                 }
 529             }
 530         }
 531     }
 532 }
 533
 534 wxString wxGenericMDIChildFrame::GetTitle() const
 535 {
 536     return m_Title;
 537 }
 538
 539 void wxGenericMDIChildFrame::Activate()
 540 {
 541     wxGenericMDIParentFrame *pParentFrame = GetMDIParentFrame();
 542
 543     if (pParentFrame != NULL)
 544     {
 545         wxGenericMDIClientWindow * pClientWindow = pParentFrame->GetClientWindow();
 546
 547         if (pClientWindow != NULL)
 548         {
 549             int pos;
 550             for (pos = 0; pos < pClientWindow->GetPageCount(); pos++)
 551             {
 552                 if (pClientWindow->GetPage(pos) == this)
 553                 {
 554                     pClientWindow->SetSelection(pos);
 555                     break;
 556                 }
 557             }
 558         }
 559     }
 560 }
 561
 562 void wxGenericMDIChildFrame::OnMenuHighlight(wxMenuEvent& event)
 563 {
 564 #if wxUSE_STATUSBAR
 565     if ( m_pMDIParentFrame)
 566     {
 567         // we don't have any help text for this item,
 568         // but may be the MDI frame does?
 569         m_pMDIParentFrame->OnMenuHighlight(event);
 570     }
 571 #endif // wxUSE_STATUSBAR
 572 }
 573
 574 void wxGenericMDIChildFrame::OnActivate(wxActivateEvent& WXUNUSED(event))
 575 {
 576     // Do mothing.
 577 }
 578
 579 /*** Copied from top level..! ***/
 580 // default resizing behaviour - if only ONE subwindow, resize to fill the
 581 // whole client area
 582 void wxGenericMDIChildFrame::OnSize(wxSizeEvent& WXUNUSED(event))
 583 {
 584     // if we're using constraints or sizers - do use them
 585     if ( GetAutoLayout() )
 586     {
 587         Layout();
 588     }
 589     else
 590     {
 591         // do we have _exactly_ one child?
 592         wxWindow *child = (wxWindow *)NULL;
 593         for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 594               node;
 595               node = node->GetNext() )
 596         {
 597             wxWindow *win = node->GetData();
 598
 599             // exclude top level and managed windows (status bar isn't
 600             // currently in the children list except under wxMac anyhow, but
 601             // it makes no harm to test for it)
 602             if ( !win->IsTopLevel() /*&& !IsOneOfBars(win)*/ )
 603             {
 604                 if ( child )
 605                 {
 606                     return;     // it's our second subwindow - nothing to do
 607                 }
 608
 609                 child = win;
 610             }
 611         }
 612
 613         // do we have any children at all?
 614         if ( child )
 615         {
 616             // exactly one child - set it's size to fill the whole frame
 617             int clientW, clientH;
 618             DoGetClientSize(&clientW, &clientH);
 619
 620             // for whatever reasons, wxGTK wants to have a small offset - it
 621             // probably looks better with it?
 622 #ifdef __WXGTK__
 623             static const int ofs = 1;
 624 #else
 625             static const int ofs = 0;
 626 #endif
 627
 628             child->SetSize(ofs, ofs, clientW - 2*ofs, clientH - 2*ofs);
 629         }
 630     }
 631 }
 632
 633 /*** Copied from top level..! ***/
 634 // The default implementation for the close window event.
 635 void wxGenericMDIChildFrame::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
 636 {
 637     Destroy();
 638 }
 639
 640 void wxGenericMDIChildFrame::SetMDIParentFrame(wxGenericMDIParentFrame* parentFrame)
 641 {
 642     m_pMDIParentFrame = parentFrame;
 643 }
 644
 645 wxGenericMDIParentFrame* wxGenericMDIChildFrame::GetMDIParentFrame() const
 646 {
 647     return m_pMDIParentFrame;
 648 }
 649
 650 void wxGenericMDIChildFrame::Init()
 651 {
 652     m_pMDIParentFrame = (wxGenericMDIParentFrame *) NULL;
 653 #if wxUSE_MENUS
 654     m_pMenuBar = (wxMenuBar *) NULL;
 655 #endif // wxUSE_MENUS
 656 }
 657
 658 void wxGenericMDIChildFrame::DoMoveWindow(int x, int y, int width, int height)
 659 {
 660     m_MDIRect = wxRect(x, y, width, height);
 661 }
 662
 663 void wxGenericMDIChildFrame::ApplyMDIChildFrameRect()
 664 {
 665     wxPanel::DoMoveWindow(m_MDIRect.x, m_MDIRect.y, m_MDIRect.width, m_MDIRect.height);
 666 }
 667
 668 //-----------------------------------------------------------------------------
 669 // wxGenericMDIClientWindow
 670 //-----------------------------------------------------------------------------
 671
 672 #define wxID_NOTEBOOK_CLIENT_AREA wxID_HIGHEST + 100
 673
 674 IMPLEMENT_DYNAMIC_CLASS(wxGenericMDIClientWindow, wxNotebook)
 675
 676 BEGIN_EVENT_TABLE(wxGenericMDIClientWindow, wxNotebook)
 677     EVT_NOTEBOOK_PAGE_CHANGED(wxID_NOTEBOOK_CLIENT_AREA, wxGenericMDIClientWindow::OnPageChanged)
 678     EVT_SIZE(wxGenericMDIClientWindow::OnSize)
 679 END_EVENT_TABLE()
 680
 681
 682 wxGenericMDIClientWindow::wxGenericMDIClientWindow()
 683 {
 684 }
 685
 686 wxGenericMDIClientWindow::wxGenericMDIClientWindow( wxGenericMDIParentFrame *parent, long style )
 687 {
 688     CreateClient( parent, style );
 689 }
 690
 691 wxGenericMDIClientWindow::~wxGenericMDIClientWindow()
 692 {
 693     DestroyChildren();
 694 }
 695
 696 bool wxGenericMDIClientWindow::CreateClient( wxGenericMDIParentFrame *parent, long style )
 697 {
 698     SetWindowStyleFlag(style);
 699
 700     bool success = wxNotebook::Create(parent, wxID_NOTEBOOK_CLIENT_AREA, wxPoint(0, 0), wxSize(100, 100), 0);
 701     if (success)
 702     {
 703         /*
 704         wxFont font(10, wxSWISS, wxNORMAL, wxNORMAL);
 705         wxFont selFont(10, wxSWISS, wxNORMAL, wxBOLD);
 706         GetTabView()->SetTabFont(font);
 707         GetTabView()->SetSelectedTabFont(selFont);
 708         GetTabView()->SetTabSize(120, 18);
 709         GetTabView()->SetTabSelectionHeight(20);
 710         */
 711         return TRUE;
 712     }
 713     else
 714         return FALSE;
 715 }
 716
 717 int wxGenericMDIClientWindow::SetSelection(int nPage)
 718 {
 719     int oldSelection = wxNotebook::SetSelection(nPage);
 720
 721 #if !defined(__WXMSW__) // No need to do this for wxMSW as wxNotebook::SetSelection()
 722                         // will already cause this to be done!
 723     // Handle the page change.
 724     PageChanged(oldSelection, nPage);
 725 #endif
 726
 727     return oldSelection;
 728 }
 729
 730 void wxGenericMDIClientWindow::PageChanged(int OldSelection, int newSelection)
 731 {
 732     // Don't do to much work, only when something realy should change!
 733     if (OldSelection == newSelection)
 734         return;
 735     // Again check if we realy need to do this...
 736     if (newSelection != -1)
 737     {
 738         wxGenericMDIChildFrame* child = (wxGenericMDIChildFrame *)GetPage(newSelection);
 739
 740         if (child->GetMDIParentFrame()->GetActiveChild() == child)
 741             return;
 742     }
 743
 744     // Notify old active child that it has been deactivated
 745     if (OldSelection != -1)
 746     {
 747         wxGenericMDIChildFrame* oldChild = (wxGenericMDIChildFrame *)GetPage(OldSelection);
 748         if (oldChild)
 749         {
 750             wxActivateEvent event(wxEVT_ACTIVATE, FALSE, oldChild->GetId());
 751             event.SetEventObject( oldChild );
 752             oldChild->GetEventHandler()->ProcessEvent(event);
 753         }
 754     }
 755
 756     // Notify new active child that it has been activated
 757     if (newSelection != -1)
 758     {
 759         wxGenericMDIChildFrame* activeChild = (wxGenericMDIChildFrame *)GetPage(newSelection);
 760         if (activeChild)
 761         {
 762             wxActivateEvent event(wxEVT_ACTIVATE, TRUE, activeChild->GetId());
 763             event.SetEventObject( activeChild );
 764             activeChild->GetEventHandler()->ProcessEvent(event);
 765
 766             if (activeChild->GetMDIParentFrame())
 767             {
 768                 activeChild->GetMDIParentFrame()->SetActiveChild(activeChild);
 769                 activeChild->GetMDIParentFrame()->SetChildMenuBar(activeChild);
 770             }
 771         }
 772     }
 773 }
 774
 775 void wxGenericMDIClientWindow::OnPageChanged(wxNotebookEvent& event)
 776 {
 777     PageChanged(event.GetOldSelection(), event.GetSelection());
 778
 779     event.Skip();
 780 }
 781
 782 void wxGenericMDIClientWindow::OnSize(wxSizeEvent& event)
 783 {
 784     wxNotebook::OnSize(event);
 785
 786     int pos;
 787     for (pos = 0; pos < GetPageCount(); pos++)
 788     {
 789         ((wxGenericMDIChildFrame *)GetPage(pos))->ApplyMDIChildFrameRect();
 790     }
 791 }
 792
 793
 794 /*
 795  * Define normal wxMDI classes based on wxGenericMDI
 796  */
 797
 798 #if wxUSE_GENERIC_MDI_AS_NATIVE
 799
 800 wxMDIChildFrame * wxMDIParentFrame::GetActiveChild() const
 801     {
 802         wxGenericMDIChildFrame *pGFrame = wxGenericMDIParentFrame::GetActiveChild();
 803         wxMDIChildFrame *pFrame = wxDynamicCast(pGFrame, wxMDIChildFrame);
 804
 805         wxASSERT_MSG(!(pFrame == NULL && pGFrame != NULL), wxT("Active frame is class not derived from wxMDIChildFrame!"));
 806
 807         return pFrame;
 808     }
 809
 810 IMPLEMENT_DYNAMIC_CLASS(wxMDIParentFrame, wxGenericMDIParentFrame)
 811 IMPLEMENT_DYNAMIC_CLASS(wxMDIChildFrame, wxGenericMDIChildFrame)
 812 IMPLEMENT_DYNAMIC_CLASS(wxMDIClientWindow, wxGenericMDIClientWindow)
 813
 814 #endif
 815