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 // For compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #ifndef WX_PRECOMP
  28     #include "wx/panel.h"
  29     #include "wx/menu.h"
  30     #include "wx/intl.h"
  31 #endif //WX_PRECOMP
  32
  33 #include "wx/generic/mdig.h"
  34 #include "wx/stockitem.h"
  35
  36 enum MDI_MENU_ID
  37 {
  38     wxWINDOWCLOSE = 4001,
  39     wxWINDOWCLOSEALL,
  40     wxWINDOWNEXT,
  41     wxWINDOWPREV
  42 };
  43
  44 //-----------------------------------------------------------------------------
  45 // wxGenericMDIParentFrame
  46 //-----------------------------------------------------------------------------
  47
  48 IMPLEMENT_DYNAMIC_CLASS(wxGenericMDIParentFrame, wxFrame)
  49
  50 BEGIN_EVENT_TABLE(wxGenericMDIParentFrame, wxFrame)
  51 #if wxUSE_MENUS
  52     EVT_MENU (wxID_ANY, wxGenericMDIParentFrame::DoHandleMenu)
  53 #endif
  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,    _("Cl&ose"));
 112       m_pWindowMenu->Append(wxWINDOWCLOSEALL, _("Close All"));
 113       m_pWindowMenu->AppendSeparator();
 114       m_pWindowMenu->Append(wxWINDOWNEXT,     _("&Next"));
 115       m_pWindowMenu->Append(wxWINDOWPREV,     _("&Previous"));
 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     {
 215         res = m_pActiveChild->GetEventHandler()->ProcessEvent(event);
 216     }
 217
 218     // If the event was not handled this frame will handle it!
 219     if (!res)
 220     {
 221         res = GetEventHandler()->wxEvtHandler::ProcessEvent(event);
 222     }
 223
 224     inEvent = wxEVT_NULL;
 225
 226     return res;
 227 }
 228
 229 wxGenericMDIChildFrame *wxGenericMDIParentFrame::GetActiveChild() const
 230 {
 231     return m_pActiveChild;
 232 }
 233
 234 void wxGenericMDIParentFrame::SetActiveChild(wxGenericMDIChildFrame* pChildFrame)
 235 {
 236     m_pActiveChild = pChildFrame;
 237 }
 238
 239 wxGenericMDIClientWindow *wxGenericMDIParentFrame::GetClientWindow() const
 240 {
 241     return m_pClientWindow;
 242 }
 243
 244 wxGenericMDIClientWindow *wxGenericMDIParentFrame::OnCreateClient()
 245 {
 246 #if wxUSE_GENERIC_MDI_AS_NATIVE
 247     m_pClientWindow = new wxMDIClientWindow( this );
 248 #else
 249     m_pClientWindow = new wxGenericMDIClientWindow( this );
 250 #endif
 251     return m_pClientWindow;
 252 }
 253
 254 void wxGenericMDIParentFrame::ActivateNext()
 255 {
 256     if (m_pClientWindow && m_pClientWindow->GetSelection() != -1)
 257     {
 258         size_t active = m_pClientWindow->GetSelection() + 1;
 259         if (active >= m_pClientWindow->GetPageCount())
 260             active = 0;
 261
 262         m_pClientWindow->SetSelection(active);
 263     }
 264 }
 265
 266 void wxGenericMDIParentFrame::ActivatePrevious()
 267 {
 268     if (m_pClientWindow && m_pClientWindow->GetSelection() != -1)
 269     {
 270         int active = m_pClientWindow->GetSelection() - 1;
 271         if (active < 0)
 272             active = m_pClientWindow->GetPageCount() - 1;
 273
 274         m_pClientWindow->SetSelection(active);
 275     }
 276 }
 277
 278 void wxGenericMDIParentFrame::Init()
 279 {
 280     m_pClientWindow = (wxGenericMDIClientWindow *) NULL;
 281     m_pActiveChild = (wxGenericMDIChildFrame *) NULL;
 282 #if wxUSE_MENUS
 283     m_pWindowMenu = (wxMenu *) NULL;
 284     m_pMyMenuBar = (wxMenuBar*) NULL;
 285 #endif // wxUSE_MENUS
 286 }
 287
 288 #if wxUSE_MENUS
 289 void wxGenericMDIParentFrame::RemoveWindowMenu(wxMenuBar *pMenuBar)
 290 {
 291     if (pMenuBar && m_pWindowMenu)
 292     {
 293         // Remove old window menu
 294         int pos = pMenuBar->FindMenu(_("&Window"));
 295         if (pos != wxNOT_FOUND)
 296         {
 297             wxASSERT(m_pWindowMenu == pMenuBar->GetMenu(pos)); // DBG:: We're going to delete the wrong menu!!!
 298             pMenuBar->Remove(pos);
 299         }
 300     }
 301 }
 302
 303 void wxGenericMDIParentFrame::AddWindowMenu(wxMenuBar *pMenuBar)
 304 {
 305     if (pMenuBar && m_pWindowMenu)
 306     {
 307         int pos = pMenuBar->FindMenu(wxGetStockLabel(wxID_HELP,false));
 308         if (pos == wxNOT_FOUND)
 309         {
 310             pMenuBar->Append(m_pWindowMenu, _("&Window"));
 311         }
 312         else
 313         {
 314             pMenuBar->Insert(pos, m_pWindowMenu, _("&Window"));
 315         }
 316     }
 317 }
 318
 319 void wxGenericMDIParentFrame::DoHandleMenu(wxCommandEvent &event)
 320 {
 321     switch (event.GetId())
 322     {
 323     case wxWINDOWCLOSE:
 324         if (m_pActiveChild)
 325         {
 326             m_pActiveChild->Close();
 327         }
 328         break;
 329     case wxWINDOWCLOSEALL:
 330         {
 331 #if 0   // code is only needed if next #if is set to 0!
 332             wxGenericMDIChildFrame *pFirstActiveChild = m_pActiveChild;
 333 #endif
 334             while (m_pActiveChild)
 335             {
 336                 if (!m_pActiveChild->Close())
 337                 {
 338                     return; // We failed...
 339                 }
 340                 else
 341                 {
 342 #if 1   // What's best? Delayed deleting or immediate deleting?
 343                     delete m_pActiveChild;
 344                     m_pActiveChild = NULL;
 345 #else
 346                     ActivateNext();
 347
 348                     if (pFirstActiveChild == m_pActiveChild)
 349                         return; // We've called Close on all items, no need to continue.
 350 #endif
 351                 }
 352             }
 353         }
 354         break;
 355     case wxWINDOWNEXT:
 356         ActivateNext();
 357         break;
 358     case wxWINDOWPREV:
 359         ActivatePrevious();
 360         break;
 361     default :
 362         event.Skip();
 363     }
 364 }
 365 #endif // wxUSE_MENUS
 366
 367 void wxGenericMDIParentFrame::DoGetClientSize(int *width, int *height) const
 368 {
 369     wxFrame::DoGetClientSize( width, height );
 370 }
 371
 372
 373 //-----------------------------------------------------------------------------
 374 // wxGenericMDIChildFrame
 375 //-----------------------------------------------------------------------------
 376
 377 IMPLEMENT_DYNAMIC_CLASS(wxGenericMDIChildFrame, wxPanel)
 378
 379 BEGIN_EVENT_TABLE(wxGenericMDIChildFrame, wxPanel)
 380     EVT_MENU_HIGHLIGHT_ALL(wxGenericMDIChildFrame::OnMenuHighlight)
 381     EVT_ACTIVATE(wxGenericMDIChildFrame::OnActivate)
 382
 383     EVT_CLOSE(wxGenericMDIChildFrame::OnCloseWindow)
 384     EVT_SIZE(wxGenericMDIChildFrame::OnSize)
 385 END_EVENT_TABLE()
 386
 387 wxGenericMDIChildFrame::wxGenericMDIChildFrame()
 388 {
 389     Init();
 390 }
 391
 392 wxGenericMDIChildFrame::wxGenericMDIChildFrame( wxGenericMDIParentFrame *parent,
 393       wxWindowID id, const wxString& title,
 394       const wxPoint& WXUNUSED(pos), const wxSize& size,
 395       long style, const wxString& name )
 396 {
 397     Init();
 398
 399     Create( parent, id, title, wxDefaultPosition, size, style, name );
 400 }
 401
 402 #include "wx/log.h"
 403 wxGenericMDIChildFrame::~wxGenericMDIChildFrame()
 404 {
 405     wxGenericMDIParentFrame *pParentFrame = GetMDIParentFrame();
 406
 407     if (pParentFrame != NULL)
 408     {
 409         bool bActive = false;
 410         if (pParentFrame->GetActiveChild() == this)
 411         {
 412             pParentFrame->SetActiveChild((wxGenericMDIChildFrame*) NULL);
 413             pParentFrame->SetChildMenuBar((wxGenericMDIChildFrame*) NULL);
 414             bActive = true;
 415         }
 416
 417         wxGenericMDIClientWindow *pClientWindow = pParentFrame->GetClientWindow();
 418
 419         // Remove page if still there
 420         size_t pos;
 421         for (pos = 0; pos < pClientWindow->GetPageCount(); pos++)
 422         {
 423             if (pClientWindow->GetPage(pos) == this)
 424             {
 425                 if (pClientWindow->RemovePage(pos))
 426                     pClientWindow->Refresh();
 427                 break;
 428             }
 429         }
 430
 431         if (bActive)
 432         {
 433             // Set the new selection to the a remaining page
 434             if (pClientWindow->GetPageCount() > pos)
 435             {
 436                 pClientWindow->SetSelection(pos);
 437             }
 438             else
 439             {
 440                 if ((int)pClientWindow->GetPageCount() - 1 >= 0)
 441                     pClientWindow->SetSelection(pClientWindow->GetPageCount() - 1);
 442             }
 443         }
 444     }
 445
 446 #if wxUSE_MENUS
 447     wxDELETE(m_pMenuBar);
 448 #endif // wxUSE_MENUS
 449 }
 450
 451 bool wxGenericMDIChildFrame::Create( wxGenericMDIParentFrame *parent,
 452       wxWindowID id, const wxString& title,
 453       const wxPoint& WXUNUSED(pos), const wxSize& size,
 454       long style, const wxString& name )
 455 {
 456     wxGenericMDIClientWindow* pClientWindow = parent->GetClientWindow();
 457
 458     wxASSERT_MSG((pClientWindow != (wxWindow*) NULL), wxT("Missing MDI client window.") );
 459
 460     wxPanel::Create(pClientWindow, id, wxDefaultPosition, size, style, name);
 461
 462     SetMDIParentFrame(parent);
 463
 464     // This is the currently active child
 465     parent->SetActiveChild(this);
 466
 467     m_Title = title;
 468
 469     pClientWindow->AddPage(this, title, true);
 470     ApplyMDIChildFrameRect();   // Ok confirme the size change!
 471     pClientWindow->Refresh();
 472
 473     return true;
 474 }
 475
 476 #if wxUSE_MENUS
 477 void wxGenericMDIChildFrame::SetMenuBar( wxMenuBar *menu_bar )
 478 {
 479     wxMenuBar *pOldMenuBar = m_pMenuBar;
 480     m_pMenuBar = menu_bar;
 481
 482     if (m_pMenuBar)
 483     {
 484         wxGenericMDIParentFrame *pParentFrame = GetMDIParentFrame();
 485
 486         if (pParentFrame != NULL)
 487         {
 488             m_pMenuBar->SetParent(pParentFrame);
 489
 490             if (pParentFrame->GetActiveChild() == this)
 491             {
 492                 // Replace current menu bars
 493                 if (pOldMenuBar)
 494                     pParentFrame->SetChildMenuBar((wxGenericMDIChildFrame*) NULL);
 495                 pParentFrame->SetChildMenuBar((wxGenericMDIChildFrame*) this);
 496             }
 497         }
 498     }
 499 }
 500
 501 wxMenuBar *wxGenericMDIChildFrame::GetMenuBar() const
 502 {
 503     return m_pMenuBar;
 504 }
 505 #endif // wxUSE_MENUS
 506
 507 void wxGenericMDIChildFrame::SetTitle(const wxString& title)
 508 {
 509     m_Title = title;
 510
 511     wxGenericMDIParentFrame *pParentFrame = GetMDIParentFrame();
 512
 513     if (pParentFrame != NULL)
 514     {
 515         wxGenericMDIClientWindow * pClientWindow = pParentFrame->GetClientWindow();
 516
 517         if (pClientWindow != NULL)
 518         {
 519             size_t pos;
 520             for (pos = 0; pos < pClientWindow->GetPageCount(); pos++)
 521             {
 522                 if (pClientWindow->GetPage(pos) == this)
 523                 {
 524                     pClientWindow->SetPageText(pos, m_Title);
 525                     break;
 526                 }
 527             }
 528         }
 529     }
 530 }
 531
 532 wxString wxGenericMDIChildFrame::GetTitle() const
 533 {
 534     return m_Title;
 535 }
 536
 537 void wxGenericMDIChildFrame::Activate()
 538 {
 539     wxGenericMDIParentFrame *pParentFrame = GetMDIParentFrame();
 540
 541     if (pParentFrame != NULL)
 542     {
 543         wxGenericMDIClientWindow * pClientWindow = pParentFrame->GetClientWindow();
 544
 545         if (pClientWindow != NULL)
 546         {
 547             size_t pos;
 548             for (pos = 0; pos < pClientWindow->GetPageCount(); pos++)
 549             {
 550                 if (pClientWindow->GetPage(pos) == this)
 551                 {
 552                     pClientWindow->SetSelection(pos);
 553                     break;
 554                 }
 555             }
 556         }
 557     }
 558 }
 559
 560 void wxGenericMDIChildFrame::OnMenuHighlight(wxMenuEvent& event)
 561 {
 562 #if wxUSE_STATUSBAR
 563     if ( m_pMDIParentFrame)
 564     {
 565         // we don't have any help text for this item,
 566         // but may be the MDI frame does?
 567         m_pMDIParentFrame->OnMenuHighlight(event);
 568     }
 569 #else
 570     wxUnusedVar(event);
 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(size_t 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     size_t 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