src/os2/frame.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        frame.cpp
   3 // Purpose:     wxFrame
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     10/27/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) David Webster
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifndef WX_PRECOMP
  16     #include "wx/defs.h"
  17     #include "wx/object.h"
  18     #include "wx/dynarray.h"
  19     #include "wx/list.h"
  20     #include "wx/hash.h"
  21     #include "wx/string.h"
  22     #include "wx/intl.h"
  23     #include "wx/log.h"
  24     #include "wx/event.h"
  25     #include "wx/setup.h"
  26     #include "wx/frame.h"
  27     #include "wx/menu.h"
  28     #include "wx/app.h"
  29     #include "wx/utils.h"
  30     #include "wx/dialog.h"
  31     #include "wx/settings.h"
  32     #include "wx/dcclient.h"
  33     #include "wx/mdi.h"
  34 #endif // WX_PRECOMP
  35
  36 #include "wx/os2/private.h"
  37
  38 #if wxUSE_STATUSBAR
  39     #include "wx/statusbr.h"
  40     #include "wx/generic/statusbr.h"
  41 #endif // wxUSE_STATUSBAR
  42
  43 #if wxUSE_TOOLBAR
  44     #include "wx/toolbar.h"
  45 #endif // wxUSE_TOOLBAR
  46
  47 #include "wx/menuitem.h"
  48 #include "wx/log.h"
  49
  50 // ----------------------------------------------------------------------------
  51 // globals
  52 // ----------------------------------------------------------------------------
  53
  54 extern wxWindowList wxModelessWindows;
  55 extern wxList WXDLLEXPORT wxPendingDelete;
  56
  57 #if wxUSE_MENUS_NATIVE
  58 extern wxMenu *wxCurrentPopupMenu;
  59 #endif
  60
  61 extern void  wxAssociateWinWithHandle( HWND         hWnd
  62                                       ,wxWindowOS2* pWin
  63                                      );
  64
  65 // ----------------------------------------------------------------------------
  66 // event tables
  67 // ----------------------------------------------------------------------------
  68
  69 BEGIN_EVENT_TABLE(wxFrame, wxFrameBase)
  70     EVT_ACTIVATE(wxFrame::OnActivate)
  71     EVT_SYS_COLOUR_CHANGED(wxFrame::OnSysColourChanged)
  72 END_EVENT_TABLE()
  73
  74 IMPLEMENT_DYNAMIC_CLASS(wxFrame, wxWindow)
  75
  76 // ============================================================================
  77 // implementation
  78 // ============================================================================
  79
  80 // ----------------------------------------------------------------------------
  81 // static class members
  82 // ----------------------------------------------------------------------------
  83 #if wxUSE_STATUSBAR
  84
  85 #if wxUSE_NATIVE_STATUSBAR
  86     bool wxFrame::m_bUseNativeStatusBar = TRUE;
  87 #else
  88     bool wxFrame::m_bUseNativeStatusBar = FALSE;
  89 #endif
  90
  91 #endif //wxUSE_STATUSBAR
  92
  93 // ----------------------------------------------------------------------------
  94 // creation/destruction
  95 // ----------------------------------------------------------------------------
  96
  97 void wxFrame::Init()
  98 {
  99     m_nFsStatusBarFields = 0;
 100     m_nFsStatusBarHeight = 0;
 101     m_nFsToolBarHeight   = 0;
 102     m_hWndToolTip        = 0L;
 103     m_bWasMinimized      = FALSE;
 104     m_pWinLastFocused    = NULL;
 105
 106
 107     m_frameMenuBar   = NULL;
 108     m_frameToolBar   = NULL;
 109     m_frameStatusBar = NULL;
 110
 111     m_hTitleBar = NULLHANDLE;
 112     m_hHScroll  = NULLHANDLE;
 113     m_hVScroll  = NULLHANDLE;
 114
 115     //
 116     // Initialize SWP's
 117     //
 118     memset(&m_vSwpTitleBar, 0, sizeof(SWP));
 119     memset(&m_vSwpMenuBar, 0, sizeof(SWP));
 120     memset(&m_vSwpHScroll, 0, sizeof(SWP));
 121     memset(&m_vSwpVScroll, 0, sizeof(SWP));
 122     memset(&m_vSwpStatusBar, 0, sizeof(SWP));
 123     memset(&m_vSwpToolBar, 0, sizeof(SWP));
 124     m_bIconized = FALSE;
 125
 126 } // end of wxFrame::Init
 127
 128 bool wxFrame::Create(
 129   wxWindow*                         pParent
 130 , wxWindowID                        vId
 131 , const wxString&                   rsTitle
 132 , const wxPoint&                    rPos
 133 , const wxSize&                     rSize
 134 , long                              lStyle
 135 , const wxString&                   rsName
 136 )
 137 {
 138     if (!wxTopLevelWindow::Create( pParent
 139                                   ,vId
 140                                   ,rsTitle
 141                                   ,rPos
 142                                   ,rSize
 143                                   ,lStyle
 144                                   ,rsName
 145                                  ))
 146         return FALSE;
 147     wxModelessWindows.Append(this);
 148     return TRUE;
 149 } // end of wxFrame::Create
 150
 151 wxFrame::~wxFrame()
 152 {
 153     m_isBeingDeleted = TRUE;
 154     DeleteAllBars();
 155 } // end of wxFrame::~wxFrame
 156
 157 //
 158 // Get size *available for subwindows* i.e. excluding menu bar, toolbar etc.
 159 //
 160 void wxFrame::DoGetClientSize(
 161   int*                              pX
 162 , int*                              pY
 163 ) const
 164 {
 165     wxTopLevelWindow::DoGetClientSize( pX
 166                                       ,pY
 167                                      );
 168     //
 169     // No need to use statusbar code as in WIN32 as the FORMATFRAME
 170     // window procedure ensures PM knows about the new frame client
 171     // size internally.  A ::WinQueryWindowRect (that is called in
 172     // wxWindow's GetClient size from above) is all that is needed!
 173     //
 174 } // end of wxFrame::DoGetClientSize
 175
 176 //
 177 // Set the client size (i.e. leave the calculation of borders etc.
 178 // to wxWindows)
 179 //
 180 void wxFrame::DoSetClientSize(
 181   int                               nWidth
 182 , int                               nHeight
 183 )
 184 {
 185     wxStatusBar*                    pStatusBar = GetStatusBar();
 186
 187     //
 188     // Statusbars are not part of the OS/2 Client but parent frame
 189     // so no statusbar consideration
 190     //
 191     wxTopLevelWindow::DoSetClientSize( nWidth
 192                                       ,nHeight
 193                                      );
 194 } // end of wxFrame::DoSetClientSize
 195
 196 // ----------------------------------------------------------------------------
 197 // wxFrame: various geometry-related functions
 198 // ----------------------------------------------------------------------------
 199
 200 void wxFrame::Raise()
 201 {
 202     wxFrameBase::Raise();
 203     ::WinSetWindowPos( (HWND) GetParent()->GetHWND()
 204                       ,HWND_TOP
 205                       ,0
 206                       ,0
 207                       ,0
 208                       ,0
 209                       ,SWP_ZORDER
 210                      );
 211 }
 212
 213 #if wxUSE_STATUSBAR
 214 wxStatusBar* wxFrame::OnCreateStatusBar(
 215   int                               nNumber
 216 , long                              lulStyle
 217 , wxWindowID                        vId
 218 , const wxString&                   rName
 219 )
 220 {
 221     wxStatusBar*                    pStatusBar = NULL;
 222     SWP                             vSwp;
 223     ERRORID                         vError;
 224     wxString                        sError;
 225
 226     pStatusBar = wxFrameBase::OnCreateStatusBar( nNumber
 227                                                 ,lulStyle
 228                                                 ,vId
 229                                                 ,rName
 230                                                  );
 231
 232     if( !pStatusBar )
 233         return NULL;
 234
 235     wxClientDC                      vDC(pStatusBar);
 236     int                             nY;
 237
 238     //
 239     // Set the height according to the font and the border size
 240     //
 241     vDC.SetFont(pStatusBar->GetFont()); // Screws up the menues for some reason
 242     vDC.GetTextExtent( "X"
 243                       ,NULL
 244                       ,&nY
 245                      );
 246
 247     int                             nHeight = ((11 * nY) / 10 + 2 * pStatusBar->GetBorderY());
 248
 249     pStatusBar->SetSize( -1
 250                         ,-1
 251                         ,-1
 252                         ,nHeight
 253                        );
 254
 255     ::WinSetParent( pStatusBar->GetHWND()
 256                    ,m_hFrame
 257                    ,FALSE
 258                   );
 259     ::WinSetOwner( pStatusBar->GetHWND()
 260                   ,m_hFrame
 261                  );
 262     //
 263     // to show statusbar
 264     //
 265     if(::WinIsWindowShowing(m_hFrame))
 266         ::WinSendMsg(m_hFrame, WM_UPDATEFRAME, (MPARAM)~0, 0);
 267
 268     return pStatusBar;
 269 } // end of wxFrame::OnCreateStatusBar
 270
 271 void wxFrame::PositionStatusBar()
 272 {
 273     SWP                             vSwp;
 274     ERRORID                         vError;
 275     wxString                        sError;
 276
 277     //
 278     // Native status bar positions itself
 279     //
 280     if (m_frameStatusBar)
 281     {
 282         int                         nWidth;
 283         int                         nY;
 284         int                         nStatbarWidth;
 285         int                         nStatbarHeight;
 286         HWND                        hWndClient;
 287         RECTL                       vRect;
 288         RECTL                       vFRect;
 289
 290         ::WinQueryWindowRect(m_hFrame, &vRect);
 291         nY = vRect.yTop;
 292         ::WinMapWindowPoints(m_hFrame, HWND_DESKTOP, (PPOINTL)&vRect, 2);
 293         vFRect = vRect;
 294         ::WinCalcFrameRect(m_hFrame, &vRect, TRUE);
 295         nWidth = vRect.xRight - vRect.xLeft;
 296         nY = nY - (vRect.yBottom - vFRect.yBottom);
 297
 298         m_frameStatusBar->GetSize( &nStatbarWidth
 299                                   ,&nStatbarHeight
 300                                  );
 301
 302         nY= nY - nStatbarHeight;
 303         //
 304         // Since we wish the status bar to be directly under the client area,
 305         // we use the adjusted sizes without using wxSIZE_NO_ADJUSTMENTS.
 306         //
 307         m_frameStatusBar->SetSize( vRect.xLeft - vFRect.xLeft
 308                                   ,nY
 309                                   ,nWidth
 310                                   ,nStatbarHeight
 311                                  );
 312         if (!::WinQueryWindowPos(m_frameStatusBar->GetHWND(), &vSwp))
 313         {
 314             vError = ::WinGetLastError(vHabmain);
 315             sError = wxPMErrorToStr(vError);
 316             wxLogError("Error setting parent for StautsBar. Error: %s\n", sError);
 317             return;
 318         }
 319     }
 320 } // end of wxFrame::PositionStatusBar
 321 #endif // wxUSE_STATUSBAR
 322
 323 #if wxUSE_MENUS_NATIVE
 324 void wxFrame::DetachMenuBar()
 325 {
 326     if (m_frameMenuBar)
 327     {
 328         m_frameMenuBar->Detach();
 329         m_frameMenuBar = NULL;
 330     }
 331 } // end of wxFrame::DetachMenuBar
 332
 333 void wxFrame::SetMenuBar(
 334   wxMenuBar*                        pMenuBar
 335 )
 336 {
 337     ERRORID                         vError;
 338     wxString                        sError;
 339     HWND                            hTitlebar = NULLHANDLE;
 340     HWND                            hHScroll = NULLHANDLE;
 341     HWND                            hVScroll = NULLHANDLE;
 342     HWND                            hMenuBar = NULLHANDLE;
 343     SWP                             vSwp;
 344     SWP                             vSwpTitlebar;
 345     SWP                             vSwpVScroll;
 346     SWP                             vSwpHScroll;
 347     SWP                             vSwpMenu;
 348
 349     if (!pMenuBar)
 350     {
 351         DetachMenuBar();
 352
 353         //
 354         // Actually remove the menu from the frame
 355         //
 356         m_hMenu = (WXHMENU)0;
 357         InternalSetMenuBar();
 358     }
 359     else // set new non NULL menu bar
 360     {
 361         m_frameMenuBar = NULL;
 362
 363         //
 364         // Can set a menubar several times.
 365         // TODO: how to prevent a memory leak if you have a currently-unattached
 366         // menubar? wxWindows assumes that the frame will delete the menu (otherwise
 367         // there are problems for MDI).
 368         //
 369         if (pMenuBar->GetHMenu())
 370         {
 371             m_hMenu = pMenuBar->GetHMenu();
 372         }
 373         else
 374         {
 375             pMenuBar->Detach();
 376             m_hMenu = pMenuBar->Create();
 377             if (!m_hMenu)
 378                 return;
 379         }
 380         InternalSetMenuBar();
 381         m_frameMenuBar = pMenuBar;
 382         pMenuBar->Attach((wxFrame*)this);
 383     }
 384 } // end of wxFrame::SetMenuBar
 385
 386 void wxFrame::AttachMenuBar(
 387   wxMenuBar*                        pMenubar
 388 )
 389 {
 390     wxFrameBase::AttachMenuBar(pMenubar);
 391
 392     m_frameMenuBar = pMenubar;
 393
 394     if (!pMenubar)
 395     {
 396         //
 397         // Actually remove the menu from the frame
 398         //
 399         m_hMenu = (WXHMENU)0;
 400         InternalSetMenuBar();
 401     }
 402     else // Set new non NULL menu bar
 403     {
 404         //
 405         // Can set a menubar several times.
 406         //
 407         if (pMenubar->GetHMenu())
 408         {
 409             m_hMenu = pMenubar->GetHMenu();
 410         }
 411         else
 412         {
 413             if (pMenubar->IsAttached())
 414                 pMenubar->Detach();
 415
 416             m_hMenu = pMenubar->Create();
 417
 418             if (!m_hMenu)
 419                 return;
 420         }
 421         InternalSetMenuBar();
 422     }
 423 } // end of wxFrame::AttachMenuBar
 424
 425 void wxFrame::InternalSetMenuBar()
 426 {
 427     ERRORID                         vError;
 428     wxString                        sError;
 429     //
 430     // Set the parent and owner of the menubar to be the frame
 431     //
 432     if (!::WinSetParent(m_hMenu, m_hFrame, FALSE))
 433     {
 434         vError = ::WinGetLastError(vHabmain);
 435         sError = wxPMErrorToStr(vError);
 436         wxLogError("Error setting parent for submenu. Error: %s\n", sError);
 437     }
 438
 439     if (!::WinSetOwner(m_hMenu, m_hFrame))
 440     {
 441         vError = ::WinGetLastError(vHabmain);
 442         sError = wxPMErrorToStr(vError);
 443         wxLogError("Error setting parent for submenu. Error: %s\n", sError);
 444     }
 445     ::WinSendMsg(m_hFrame, WM_UPDATEFRAME, (MPARAM)FCF_MENU, (MPARAM)0);
 446 } // end of wxFrame::InternalSetMenuBar
 447 #endif // wxUSE_MENUS_NATIVE
 448
 449 //
 450 // Responds to colour changes, and passes event on to children
 451 //
 452 void wxFrame::OnSysColourChanged(
 453   wxSysColourChangedEvent&          rEvent
 454 )
 455 {
 456     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE));
 457     Refresh();
 458
 459 #if wxUSE_STATUSBAR
 460     if (m_frameStatusBar)
 461     {
 462         wxSysColourChangedEvent     vEvent2;
 463
 464         vEvent2.SetEventObject(m_frameStatusBar);
 465         m_frameStatusBar->GetEventHandler()->ProcessEvent(vEvent2);
 466     }
 467 #endif //wxUSE_STATUSBAR
 468
 469     //
 470     // Propagate the event to the non-top-level children
 471     //
 472     wxWindow::OnSysColourChanged(rEvent);
 473 } // end of wxFrame::OnSysColourChanged
 474
 475 // Pass TRUE to show full screen, FALSE to restore.
 476 bool wxFrame::ShowFullScreen(
 477   bool                              bShow
 478 , long                              lStyle
 479 )
 480 {
 481     if (bShow)
 482     {
 483         if (IsFullScreen())
 484             return FALSE;
 485
 486         m_bFsIsShowing = TRUE;
 487         m_lFsStyle = lStyle;
 488
 489 #if wxUSE_TOOLBAR
 490         wxToolBar*                  pTheToolBar = GetToolBar();
 491 #endif //wxUSE_TOOLBAR
 492
 493 #if wxUSE_STATUSBAR
 494         wxStatusBar*                pTheStatusBar = GetStatusBar();
 495 #endif //wxUSE_STATUSBAR
 496
 497         int                         nDummyWidth;
 498
 499 #if wxUSE_TOOLBAR
 500         if (pTheToolBar)
 501             pTheToolBar->GetSize(&nDummyWidth, &m_nFsToolBarHeight);
 502 #endif //wxUSE_TOOLBAR
 503
 504 #if wxUSE_STATUSBAR
 505         if (pTheStatusBar)
 506             pTheStatusBar->GetSize(&nDummyWidth, &m_nFsStatusBarHeight);
 507 #endif //wxUSE_STATUSBAR
 508
 509 #if wxUSE_TOOLBAR
 510         //
 511         // Zap the toolbar, menubar, and statusbar
 512         //
 513         if ((lStyle & wxFULLSCREEN_NOTOOLBAR) && pTheToolBar)
 514         {
 515             pTheToolBar->SetSize(-1,0);
 516             pTheToolBar->Show(FALSE);
 517         }
 518 #endif //wxUSE_TOOLBAR
 519
 520         if (lStyle & wxFULLSCREEN_NOMENUBAR)
 521         {
 522             ::WinSetParent(m_hMenu, m_hFrame, FALSE);
 523             ::WinSetOwner(m_hMenu, m_hFrame);
 524             ::WinSendMsg((HWND)m_hFrame, WM_UPDATEFRAME, (MPARAM)FCF_MENU, (MPARAM)0);
 525         }
 526
 527 #if wxUSE_STATUSBAR
 528         //
 529         // Save the number of fields in the statusbar
 530         //
 531         if ((lStyle & wxFULLSCREEN_NOSTATUSBAR) && pTheStatusBar)
 532         {
 533             m_nFsStatusBarFields = pTheStatusBar->GetFieldsCount();
 534             SetStatusBar((wxStatusBar*) NULL);
 535             delete pTheStatusBar;
 536         }
 537         else
 538             m_nFsStatusBarFields = 0;
 539 #endif //wxUSE_STATUSBAR
 540
 541         //
 542         // Zap the frame borders
 543         //
 544
 545         //
 546         // Save the 'normal' window style
 547         //
 548         m_lFsOldWindowStyle = ::WinQueryWindowULong(m_hFrame, QWL_STYLE);
 549
 550         //
 551         // Save the old position, width & height, maximize state
 552         //
 553         m_vFsOldSize = GetRect();
 554         m_bFsIsMaximized = IsMaximized();
 555
 556         //
 557         // Decide which window style flags to turn off
 558         //
 559         LONG                        lNewStyle = m_lFsOldWindowStyle;
 560         LONG                        lOffFlags = 0;
 561
 562         if (lStyle & wxFULLSCREEN_NOBORDER)
 563             lOffFlags |= FCF_BORDER;
 564         if (lStyle & wxFULLSCREEN_NOCAPTION)
 565             lOffFlags |= (FCF_TASKLIST | FCF_SYSMENU);
 566
 567         lNewStyle &= (~lOffFlags);
 568
 569         //
 570         // Change our window style to be compatible with full-screen mode
 571         //
 572         ::WinSetWindowULong((HWND)m_hFrame, QWL_STYLE, (ULONG)lNewStyle);
 573
 574         //
 575         // Resize to the size of the desktop
 576         int                         nWidth;
 577         int                         nHeight;
 578
 579         RECTL                       vRect;
 580
 581         ::WinQueryWindowRect(HWND_DESKTOP, &vRect);
 582         nWidth = vRect.xRight - vRect.xLeft;
 583         //
 584         // Rmember OS/2 is backwards!
 585         //
 586         nHeight = vRect.yTop - vRect.yBottom;
 587
 588         SetSize( nWidth
 589                 ,nHeight
 590                );
 591
 592         //
 593         // Now flush the window style cache and actually go full-screen
 594         //
 595         ::WinSetWindowPos( (HWND) GetParent()->GetHWND()
 596                           ,HWND_TOP
 597                           ,0
 598                           ,0
 599                           ,nWidth
 600                           ,nHeight
 601                           ,SWP_SIZE | SWP_SHOW
 602                          );
 603
 604         wxSizeEvent                 vEvent( wxSize( nWidth
 605                                                    ,nHeight
 606                                                   )
 607                                            ,GetId()
 608                                           );
 609
 610         GetEventHandler()->ProcessEvent(vEvent);
 611         return TRUE;
 612     }
 613     else
 614     {
 615         if (!IsFullScreen())
 616             return FALSE;
 617
 618         m_bFsIsShowing = FALSE;
 619
 620 #if wxUSE_TOOLBAR
 621         wxToolBar*                  pTheToolBar = GetToolBar();
 622
 623         //
 624         // Restore the toolbar, menubar, and statusbar
 625         //
 626         if (pTheToolBar && (m_lFsStyle & wxFULLSCREEN_NOTOOLBAR))
 627         {
 628             pTheToolBar->SetSize(-1, m_nFsToolBarHeight);
 629             pTheToolBar->Show(TRUE);
 630         }
 631 #endif //wxUSE_TOOLBAR
 632
 633 #if wxUSE_STATUSBAR
 634         if ((m_lFsStyle & wxFULLSCREEN_NOSTATUSBAR) && (m_nFsStatusBarFields > 0))
 635         {
 636             CreateStatusBar(m_nFsStatusBarFields);
 637 //          PositionStatusBar();
 638         }
 639 #endif //wxUSE_STATUSBAR
 640
 641         if ((m_lFsStyle & wxFULLSCREEN_NOMENUBAR) && (m_hMenu != 0))
 642         {
 643             ::WinSetParent(m_hMenu, m_hFrame, FALSE);
 644             ::WinSetOwner(m_hMenu, m_hFrame);
 645             ::WinSendMsg(m_hFrame, WM_UPDATEFRAME, (MPARAM)FCF_MENU, (MPARAM)0);
 646         }
 647         Maximize(m_bFsIsMaximized);
 648
 649         ::WinSetWindowULong( m_hFrame
 650                             ,QWL_STYLE
 651                             ,(ULONG)m_lFsOldWindowStyle
 652                            );
 653         ::WinSetWindowPos( (HWND) GetParent()->GetHWND()
 654                           ,HWND_TOP
 655                           ,m_vFsOldSize.x
 656                           ,m_vFsOldSize.y
 657                           ,m_vFsOldSize.width
 658                           ,m_vFsOldSize.height
 659                           ,SWP_SIZE | SWP_SHOW
 660                          );
 661         return TRUE;
 662     }
 663 } // end of wxFrame::ShowFullScreen
 664
 665 //
 666 // Frame window
 667 //
 668 //
 669 // Default activation behaviour - set the focus for the first child
 670 // subwindow found.
 671 //
 672 void wxFrame::OnActivate(
 673   wxActivateEvent&                  rEvent
 674 )
 675 {
 676     if ( rEvent.GetActive() )
 677     {
 678         // restore focus to the child which was last focused
 679         wxLogTrace(_T("focus"), _T("wxFrame %08x activated."), m_hWnd);
 680
 681         wxWindow*                           pParent = m_pWinLastFocused ? m_pWinLastFocused->GetParent()
 682                                             : NULL;
 683         if (!pParent)
 684         {
 685             pParent = this;
 686         }
 687
 688         wxSetFocusToChild( pParent
 689                           ,&m_pWinLastFocused
 690                          );
 691     }
 692     else // deactivating
 693     {
 694         //
 695         // Remember the last focused child if it is our child
 696         //
 697         m_pWinLastFocused = FindFocus();
 698
 699         for (wxWindowList::Node* pNode = GetChildren().GetFirst();
 700              pNode;
 701              pNode = pNode->GetNext())
 702         {
 703             // FIXME all this is totally bogus - we need to do the same as wxPanel,
 704             //       but how to do it without duplicating the code?
 705
 706             // restore focus
 707             wxWindow*                   pChild = pNode->GetData();
 708
 709             if (!pChild->IsTopLevel()
 710 #if wxUSE_TOOLBAR
 711                  && !wxDynamicCast(pChild, wxToolBar)
 712 #endif // wxUSE_TOOLBAR
 713 #if wxUSE_STATUSBAR
 714                  && !wxDynamicCast(pChild, wxStatusBar)
 715 #endif // wxUSE_STATUSBAR
 716                )
 717             {
 718                 pChild->SetFocus();
 719                 return;
 720             }
 721         }
 722     }
 723 } // end of wxFrame::OnActivate
 724
 725 // ----------------------------------------------------------------------------
 726 // wxFrame size management: we exclude the areas taken by menu/status/toolbars
 727 // from the client area, so the client area is what's really available for the
 728 // frame contents
 729 // ----------------------------------------------------------------------------
 730
 731 // Checks if there is a toolbar, and returns the first free client position
 732 wxPoint wxFrame::GetClientAreaOrigin() const
 733 {
 734     wxPoint                         vPoint(0, 0);
 735
 736 #if wxUSE_TOOLBAR
 737     if (GetToolBar())
 738     {
 739         int                         nWidth;
 740         int                         nHeight;
 741
 742         GetToolBar()->GetSize( &nWidth
 743                               ,&nHeight
 744                              );
 745
 746         if (GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL)
 747         {
 748             vPoint.x += nWidth;
 749         }
 750         else
 751         {
 752             // PM is backwards from windows
 753             vPoint.y += nHeight;
 754         }
 755     }
 756 #endif //wxUSE_TOOLBAR
 757     return vPoint;
 758 } // end of wxFrame::GetClientAreaOrigin
 759
 760 // ----------------------------------------------------------------------------
 761 // tool/status bar stuff
 762 // ----------------------------------------------------------------------------
 763
 764 #if wxUSE_TOOLBAR
 765
 766 wxToolBar* wxFrame::CreateToolBar(
 767   long                              lStyle
 768 , wxWindowID                        vId
 769 , const wxString&                   rName
 770 )
 771 {
 772     if (wxFrameBase::CreateToolBar( lStyle
 773                                    ,vId
 774                                    ,rName
 775                                   ))
 776     {
 777         PositionToolBar();
 778     }
 779     return m_frameToolBar;
 780 } // end of wxFrame::CreateToolBar
 781
 782 void wxFrame::PositionToolBar()
 783 {
 784     HWND                            hWndClient;
 785     RECTL                           vRect;
 786
 787     ::WinQueryWindowRect(GetHwnd(), &vRect);
 788
 789 #if wxUSE_STATUSBAR
 790     if (GetStatusBar())
 791     {
 792         int                         nStatusX;
 793         int                         nStatusY;
 794
 795         GetStatusBar()->GetClientSize( &nStatusX
 796                                       ,&nStatusY
 797                                      );
 798         // PM is backwards from windows
 799         vRect.yBottom += nStatusY;
 800     }
 801 #endif // wxUSE_STATUSBAR
 802
 803     if ( m_frameToolBar )
 804     {
 805         int                         nToolbarWidth;
 806         int                         nToolbarHeight;
 807
 808         m_frameToolBar->GetSize( &nToolbarWidth
 809                               ,&nToolbarHeight
 810                              );
 811
 812         if (GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL)
 813         {
 814             nToolbarHeight = vRect.yBottom;
 815         }
 816         else
 817         {
 818             nToolbarWidth = vRect.xRight;
 819         }
 820
 821         //
 822         // Use the 'real' PM position here
 823         //
 824         GetToolBar()->SetSize( 0
 825                               ,0
 826                               ,nToolbarWidth
 827                               ,nToolbarHeight
 828                               ,wxSIZE_NO_ADJUSTMENTS
 829                              );
 830     }
 831 } // end of wxFrame::PositionToolBar
 832 #endif // wxUSE_TOOLBAR
 833
 834 // ----------------------------------------------------------------------------
 835 // frame state (iconized/maximized/...)
 836 // ----------------------------------------------------------------------------
 837
 838 //
 839 // propagate our state change to all child frames: this allows us to emulate X
 840 // Windows behaviour where child frames float independently of the parent one
 841 // on the desktop, but are iconized/restored with it
 842 //
 843 void wxFrame::IconizeChildFrames(
 844   bool                              bIconize
 845 )
 846 {
 847     for (wxWindowList::Node* pNode = GetChildren().GetFirst();
 848          pNode;
 849          pNode = pNode->GetNext() )
 850     {
 851         wxWindow*                   pWin = pNode->GetData();
 852         wxFrame*                    pFrame = wxDynamicCast(pWin, wxFrame);
 853
 854         if ( pFrame
 855 #if wxUSE_MDI_ARCHITECTURE
 856                 && !wxDynamicCast(pFrame, wxMDIChildFrame)
 857 #endif // wxUSE_MDI_ARCHITECTURE
 858            )
 859         {
 860             //
 861             // We don't want to restore the child frames which had been
 862             // iconized even before we were iconized, so save the child frame
 863             // status when iconizing the parent frame and check it when
 864             // restoring it.
 865             //
 866             if (bIconize)
 867             {
 868                 pFrame->m_bWasMinimized = pFrame->IsIconized();
 869             }
 870
 871             //
 872             // This test works for both iconizing and restoring
 873             //
 874             if (!pFrame->m_bWasMinimized)
 875                 pFrame->Iconize(bIconize);
 876         }
 877     }
 878 } // end of wxFrame::IconizeChildFrames
 879
 880 WXHICON wxFrame::GetDefaultIcon() const
 881 {
 882     return (WXHICON)(wxSTD_FRAME_ICON ? wxSTD_FRAME_ICON
 883                                       : wxDEFAULT_FRAME_ICON);
 884 }
 885 // ===========================================================================
 886 // message processing
 887 // ===========================================================================
 888
 889 // ---------------------------------------------------------------------------
 890 // preprocessing
 891 // ---------------------------------------------------------------------------
 892 bool wxFrame::OS2TranslateMessage(
 893   WXMSG*                            pMsg
 894 )
 895 {
 896     //
 897     // try the menu bar accels
 898     //
 899     wxMenuBar*                      pMenuBar = GetMenuBar();
 900
 901     if (!pMenuBar)
 902         return FALSE;
 903
 904 #if wxUSE_ACCEL && wxUSE_MENUS_NATIVE
 905     const wxAcceleratorTable&       rAcceleratorTable = pMenuBar->GetAccelTable();
 906     return rAcceleratorTable.Translate(GetHWND(), pMsg);
 907 #else
 908     return FALSE;
 909 #endif //wxUSE_ACCEL
 910 } // end of wxFrame::OS2TranslateMessage
 911
 912 // ---------------------------------------------------------------------------
 913 // our private (non virtual) message handlers
 914 // ---------------------------------------------------------------------------
 915 bool wxFrame::HandlePaint()
 916 {
 917     RECTL                           vRect;
 918
 919     if (::WinQueryUpdateRect(GetHWND(), &vRect))
 920     {
 921         if (m_bIconized)
 922         {
 923             //
 924             // Icons in PM are the same as "pointers"
 925             //
 926             const wxIcon&           vIcon = GetIcon();
 927             HPOINTER                hIcon;
 928
 929             if (vIcon.Ok())
 930                 hIcon = (HPOINTER)::WinSendMsg(m_hFrame, WM_QUERYICON, 0L, 0L);
 931             else
 932                 hIcon = (HPOINTER)m_hDefaultIcon;
 933
 934             //
 935             // Hold a pointer to the dc so long as the OnPaint() message
 936             // is being processed
 937             //
 938             RECTL                   vRect2;
 939             HPS                     hPs = ::WinBeginPaint(GetHwnd(), NULLHANDLE, &vRect2);
 940
 941             //
 942             // Erase background before painting or we get white background
 943             //
 944             OS2DefWindowProc(WM_ERASEBACKGROUND, (MPARAM)hPs, (MPARAM)&vRect2);
 945
 946             if (hIcon)
 947             {
 948                 HWND                            hWndClient;
 949                 RECTL                           vRect3;
 950
 951                 ::WinQueryWindowRect(GetHwnd(), &vRect3);
 952
 953                 static const int    nIconWidth = 32;
 954                 static const int    nIconHeight = 32;
 955                 int                 nIconX = (int)((vRect3.xRight - nIconWidth)/2);
 956                 int                 nIconY = (int)((vRect3.yBottom + nIconHeight)/2);
 957
 958                 ::WinDrawPointer(hPs, nIconX, nIconY, hIcon, DP_NORMAL);
 959             }
 960             ::WinEndPaint(hPs);
 961             return TRUE;
 962         }
 963         else
 964         {
 965             if (!wxWindow::HandlePaint())
 966             {
 967                 HPS                     hPS;
 968                 RECTL                   vRect;
 969
 970                 hPS = ::WinBeginPaint( GetHwnd()
 971                                       ,NULLHANDLE
 972                                       ,&vRect
 973                                      );
 974                 if(hPS)
 975                 {
 976                     ::GpiCreateLogColorTable( hPS
 977                                              ,0L
 978                                              ,LCOLF_CONSECRGB
 979                                              ,0L
 980                                              ,(LONG)wxTheColourDatabase->m_nSize
 981                                              ,(PLONG)wxTheColourDatabase->m_palTable
 982                                             );
 983                     ::GpiCreateLogColorTable( hPS
 984                                              ,0L
 985                                              ,LCOLF_RGB
 986                                              ,0L
 987                                              ,0L
 988                                              ,NULL
 989                                             );
 990
 991                     ::WinFillRect( hPS
 992                                   ,&vRect
 993                                   ,GetBackgroundColour().GetPixel()
 994                                  );
 995                    ::WinEndPaint(hPS);
 996                 }
 997             }
 998             return TRUE;
 999         }
1000     }
1001     else
1002     {
1003         // nothing to paint - processed
1004         return TRUE;
1005     }
1006     return FALSE;
1007 } // end of wxFrame::HandlePaint
1008
1009 bool wxFrame::HandleSize(
1010   int                               nX
1011 , int                               nY
1012 , WXUINT                            nId
1013 )
1014 {
1015     bool                            bProcessed = FALSE;
1016
1017     switch (nId)
1018     {
1019         case kSizeNormal:
1020             //
1021             // Only do it it if we were iconized before, otherwise resizing the
1022             // parent frame has a curious side effect of bringing it under it's
1023             // children
1024             if (!m_bIconized )
1025                 break;
1026
1027             //
1028             // restore all child frames too
1029             //
1030             IconizeChildFrames(FALSE);
1031             (void)SendIconizeEvent(FALSE);
1032
1033             //
1034             // fall through
1035             //
1036
1037         case kSizeMax:
1038             m_bIconized = FALSE;
1039             break;
1040
1041         case kSizeMin:
1042             //
1043             // Iconize all child frames too
1044             //
1045             IconizeChildFrames(TRUE);
1046             (void)SendIconizeEvent();
1047             m_bIconized = TRUE;
1048             break;
1049     }
1050
1051     if (!m_bIconized)
1052     {
1053         //
1054         // forward WM_SIZE to status bar control
1055         //
1056 #if wxUSE_NATIVE_STATUSBAR
1057         if (m_frameStatusBar && m_frameStatusBar->IsKindOf(CLASSINFO(wxStatusBar95)))
1058         {
1059             wxSizeEvent             vEvent( wxSize( nX
1060                                                    ,nY
1061                                                   )
1062                                            ,m_frameStatusBar->GetId()
1063                                           );
1064
1065             vEvent.SetEventObject(m_frameStatusBar);
1066             m_frameStatusBar->OnSize(vEvent);
1067         }
1068 #endif // wxUSE_NATIVE_STATUSBAR
1069
1070         PositionStatusBar();
1071 #if  wxUSE_TOOLBAR
1072         PositionToolBar();
1073 #endif // wxUSE_TOOLBAR
1074
1075         bProcessed = wxWindow::HandleSize( nX
1076                                           ,nY
1077                                           ,nId
1078                                          );
1079     }
1080     return bProcessed;
1081 } // end of wxFrame::HandleSize
1082
1083 bool wxFrame::HandleCommand(
1084   WXWORD                            nId
1085 , WXWORD                            nCmd
1086 , WXHWND                            hControl
1087 )
1088 {
1089     if (hControl)
1090     {
1091         //
1092         // In case it's e.g. a toolbar.
1093         //
1094         wxWindow*                   pWin = wxFindWinFromHandle(hControl);
1095
1096         if (pWin)
1097             return pWin->OS2Command( nCmd
1098                                     ,nId
1099                                    );
1100     }
1101
1102     //
1103     // Handle here commands from menus and accelerators
1104     //
1105     if (nCmd == CMDSRC_MENU || nCmd == CMDSRC_ACCELERATOR)
1106     {
1107 #if wxUSE_MENUS_NATIVE
1108         if (wxCurrentPopupMenu)
1109         {
1110             wxMenu*                 pPopupMenu = wxCurrentPopupMenu;
1111
1112             wxCurrentPopupMenu = NULL;
1113
1114             return pPopupMenu->OS2Command( nCmd
1115                                           ,nId
1116                                          );
1117             return TRUE;
1118         }
1119 #endif
1120
1121         if (ProcessCommand(nId))
1122         {
1123             return TRUE;
1124         }
1125     }
1126     return FALSE;
1127 } // end of wxFrame::HandleCommand
1128
1129 bool wxFrame::HandleMenuSelect(
1130   WXWORD                            nItem
1131 , WXWORD                            nFlags
1132 , WXHMENU                           hMenu
1133 )
1134 {
1135     if( !nFlags )
1136     {
1137         MENUITEM mItem;
1138         MRESULT  rc;
1139
1140         rc = ::WinSendMsg(hMenu, MM_QUERYITEM, MPFROM2SHORT(nItem, TRUE), (MPARAM)&mItem);
1141
1142         if(rc && !(mItem.afStyle & (MIS_SUBMENU | MIS_SEPARATOR)))
1143         {
1144             wxMenuEvent                     vEvent(wxEVT_MENU_HIGHLIGHT, nItem);
1145
1146             vEvent.SetEventObject(this);
1147             GetEventHandler()->ProcessEvent(vEvent); // return value would be ignored by PM
1148         }
1149     }
1150     return TRUE;
1151 } // end of wxFrame::HandleMenuSelect
1152
1153 // ---------------------------------------------------------------------------
1154 // Main Frame window proc
1155 // ---------------------------------------------------------------------------
1156 MRESULT EXPENTRY wxFrameMainWndProc(
1157   HWND                              hWnd
1158 , ULONG                             ulMsg
1159 , MPARAM                            wParam
1160 , MPARAM                            lParam
1161 )
1162 {
1163     MRESULT                         rc = (MRESULT)0;
1164     bool                            bProcessed = FALSE;
1165     wxFrame*                        pWnd  = NULL;
1166
1167     pWnd = (wxFrame*) wxFindWinFromHandle((WXHWND) hWnd);
1168     switch (ulMsg)
1169     {
1170         case WM_QUERYFRAMECTLCOUNT:
1171             if(pWnd && pWnd->m_fnOldWndProc)
1172             {
1173                 USHORT              uItemCount = SHORT1FROMMR(pWnd->m_fnOldWndProc(hWnd, ulMsg, wParam, lParam));
1174
1175                 rc = MRFROMSHORT(uItemCount);
1176             }
1177             break;
1178
1179         case WM_FORMATFRAME:
1180 /////////////////////////////////////////////////////////////////////////////////
1181 // Applications that subclass frame controls may find that the frame is already
1182 // subclassed the number of frame controls is variable.
1183 // The WM_FORMATFRAME and WM_QUERYFRAMECTLCOUNT messages must always be
1184 // subclassed by calling the previous window procedure and modifying its result.
1185 ////////////////////////////////////////////////////////////////////////////////
1186             {
1187                 int                 nItemCount;
1188                 int                 i;
1189                 PSWP                pSWP = NULL;
1190                 SWP                 vSwpStb;
1191                 RECTL               vRectl;
1192                 RECTL               vRstb;
1193                 int                 nHeight=0;
1194
1195                 pSWP = (PSWP)PVOIDFROMMP(wParam);
1196                 nItemCount = SHORT1FROMMR(pWnd->m_fnOldWndProc(hWnd, ulMsg, wParam, lParam));
1197                 if(pWnd->m_frameStatusBar)
1198                 {
1199                     ::WinQueryWindowRect(pWnd->m_frameStatusBar->GetHWND(), &vRstb);
1200                     pWnd->m_frameStatusBar->GetSize(NULL, &nHeight);
1201                     ::WinQueryWindowRect(pWnd->m_hFrame, &vRectl);
1202                     ::WinMapWindowPoints(pWnd->m_hFrame, HWND_DESKTOP, (PPOINTL)&vRectl, 2);
1203                     vRstb = vRectl;
1204                     ::WinCalcFrameRect(pWnd->m_hFrame, &vRectl, TRUE);
1205
1206                     vSwpStb.x                = vRectl.xLeft - vRstb.xLeft;
1207                     vSwpStb.y                = vRectl.yBottom - vRstb.yBottom;
1208                     vSwpStb.cx               = vRectl.xRight - vRectl.xLeft - 1; //?? -1 ??
1209                     vSwpStb.cy               = nHeight;
1210                     vSwpStb.fl               = SWP_SIZE |SWP_MOVE | SWP_SHOW;
1211                     vSwpStb.hwnd             = pWnd->m_frameStatusBar->GetHWND();
1212                     vSwpStb.hwndInsertBehind = HWND_TOP;
1213                 }
1214                 ::WinQueryWindowRect(pWnd->m_hFrame, &vRectl);
1215                 ::WinMapWindowPoints(pWnd->m_hFrame, HWND_DESKTOP, (PPOINTL)&vRectl, 2);
1216                 ::WinCalcFrameRect(pWnd->m_hFrame, &vRectl, TRUE);
1217                 ::WinMapWindowPoints(HWND_DESKTOP, pWnd->m_hFrame, (PPOINTL)&vRectl, 2);
1218                 for(i = 0; i < nItemCount; i++)
1219                 {
1220                     if(pWnd->m_hWnd && pSWP[i].hwnd == pWnd->m_hWnd)
1221                     {
1222                         pSWP[i].x    = vRectl.xLeft;
1223                         pSWP[i].y    = vRectl.yBottom + nHeight;
1224                         pSWP[i].cx   = vRectl.xRight - vRectl.xLeft;
1225                         pSWP[i].cy   = vRectl.yTop - vRectl.yBottom - nHeight;
1226                         pSWP[i].fl   = SWP_SIZE | SWP_MOVE | SWP_SHOW;
1227                         pSWP[i].hwndInsertBehind = HWND_TOP;
1228                     }
1229                 }
1230                 bProcessed = TRUE;
1231                 rc = MRFROMSHORT(nItemCount);
1232             }
1233             break;
1234
1235        default:
1236             if(pWnd && pWnd->m_fnOldWndProc)
1237                 rc = pWnd->m_fnOldWndProc(hWnd, ulMsg, wParam, lParam);
1238             else
1239                 rc = ::WinDefWindowProc(hWnd, ulMsg, wParam, lParam);
1240     }
1241     return rc;
1242 } // end of wxFrameMainWndProc
1243
1244 MRESULT EXPENTRY wxFrameWndProc(
1245   HWND                              hWnd
1246 , ULONG                             ulMsg
1247 , MPARAM                            wParam
1248 , MPARAM                            lParam
1249 )
1250 {
1251     //
1252     // Trace all ulMsgs - useful for the debugging
1253     //
1254     HWND                            parentHwnd;
1255     wxFrame*                        pWnd  = NULL;
1256
1257     parentHwnd  = WinQueryWindow(hWnd,QW_PARENT);
1258     pWnd = (wxFrame*) wxFindWinFromHandle((WXHWND) hWnd);
1259
1260     //
1261     // When we get the first message for the HWND we just created, we associate
1262     // it with wxWindow stored in wxWndHook
1263     //
1264
1265     MRESULT                         rc = (MRESULT)0;
1266     bool                            bProcessed = FALSE;
1267
1268     //
1269     // Stop right here if we don't have a valid handle in our wxWindow object.
1270     //
1271     if (pWnd && !pWnd->GetHWND())
1272     {
1273         pWnd->SetHWND((WXHWND) hWnd);
1274         rc = pWnd->OS2DefWindowProc(ulMsg, wParam, lParam );
1275         pWnd->SetHWND(0);
1276     }
1277     else
1278     {
1279         if (pWnd)
1280             rc = pWnd->OS2WindowProc(ulMsg, wParam, lParam);
1281         else
1282             rc = ::WinDefWindowProc(hWnd, ulMsg, wParam, lParam);
1283     }
1284     return rc;
1285 } // end of wxFrameWndProc
1286
1287 MRESULT wxFrame::OS2WindowProc(
1288   WXUINT                            uMessage
1289 , WXWPARAM                          wParam
1290 , WXLPARAM                          lParam
1291 )
1292 {
1293     MRESULT                         mRc = 0L;
1294     bool                            bProcessed = FALSE;
1295
1296     switch (uMessage)
1297     {
1298         case WM_CLOSE:
1299             //
1300             // If we can't close, tell the system that we processed the
1301             // message - otherwise it would close us
1302             //
1303             bProcessed = !Close();
1304             break;
1305
1306         case WM_PAINT:
1307             bProcessed = HandlePaint();
1308             mRc = (MRESULT)FALSE;
1309             break;
1310
1311          case WM_ERASEBACKGROUND:
1312             //
1313             // Returning TRUE to requests PM to paint the window background
1314             // in SYSCLR_WINDOW. We capture this here because the PS returned
1315             // in Frames is the PS for the whole frame, which we can't really
1316             // use at all. If you want to paint a different background, do it
1317             // in an OnPaint using a wxPaintDC.
1318             //
1319             mRc = (MRESULT)(TRUE);
1320             break;
1321
1322       case WM_COMMAND:
1323             {
1324                 WORD                wId;
1325                 WORD                wCmd;
1326                 WXHWND              hWnd;
1327
1328                 UnpackCommand( (WXWPARAM)wParam
1329                               ,(WXLPARAM)lParam
1330                               ,&wId
1331                               ,&hWnd
1332                               ,&wCmd
1333                              );
1334
1335                 bProcessed = HandleCommand( wId
1336                                            ,wCmd
1337                                            ,(WXHWND)hWnd
1338                                           );
1339             }
1340             break;
1341
1342         case WM_MENUSELECT:
1343             {
1344                 WXWORD              wItem;
1345                 WXWORD              wFlags;
1346                 WXHMENU             hMenu;
1347
1348                 UnpackMenuSelect( wParam
1349                                  ,lParam
1350                                  ,&wItem
1351                                  ,&wFlags
1352                                  ,&hMenu
1353                                 );
1354                 bProcessed = HandleMenuSelect( wItem
1355                                               ,wFlags
1356                                               ,hMenu
1357                                              );
1358                 mRc = (MRESULT)TRUE;
1359             }
1360             break;
1361
1362         case WM_SIZE:
1363             {
1364                 SHORT               nScxold = SHORT1FROMMP(wParam); // Old horizontal size.
1365                 SHORT               nScyold = SHORT2FROMMP(wParam); // Old vertical size.
1366                 SHORT               nScxnew = SHORT1FROMMP(lParam); // New horizontal size.
1367                 SHORT               nScynew = SHORT2FROMMP(lParam); // New vertical size.
1368
1369                 lParam = MRFROM2SHORT( nScxnew - 20
1370                                       ,nScynew - 30
1371                                      );
1372             }
1373             bProcessed = HandleSize(LOWORD(lParam), HIWORD(lParam), (WXUINT)wParam);
1374             mRc = (MRESULT)FALSE;
1375             break;
1376
1377         case CM_QUERYDRAGIMAGE:
1378             {
1379                 const wxIcon&           vIcon = GetIcon();
1380                 HPOINTER                hIcon;
1381
1382                 if (vIcon.Ok())
1383                     hIcon = (HPOINTER)::WinSendMsg(GetHWND(), WM_QUERYICON, 0L, 0L);
1384                 else
1385                     hIcon = (HPOINTER)m_hDefaultIcon;
1386                 mRc = (MRESULT)hIcon;
1387                 bProcessed = mRc != 0;
1388             }
1389             break;
1390     }
1391
1392     if (!bProcessed )
1393         mRc = wxWindow::OS2WindowProc( uMessage
1394                                       ,wParam
1395                                       ,lParam
1396                                      );
1397     return (MRESULT)mRc;
1398 } // wxFrame::OS2WindowProc
1399
1400 void wxFrame::SetClient(WXHWND c_Hwnd)
1401 {
1402    // Duh...nothing to do under OS/2
1403 }
1404
1405 void wxFrame::SetClient(
1406   wxWindow*                         pWindow
1407 )
1408 {
1409     wxWindow*                       pOldClient      = this->GetClient();
1410     bool                            bClientHasFocus = pOldClient && (pOldClient == wxWindow::FindFocus());
1411
1412     if(pOldClient == pWindow)  // nothing to do
1413         return;
1414     if(pWindow == NULL) // just need to remove old client
1415     {
1416         if(pOldClient == NULL) // nothing to do
1417             return;
1418
1419         if(bClientHasFocus )
1420             this->SetFocus();
1421
1422         pOldClient->Enable( FALSE );
1423         pOldClient->Show( FALSE );
1424         ::WinSetWindowUShort(pOldClient->GetHWND(), QWS_ID, (USHORT)pOldClient->GetId());
1425         // to avoid OS/2 bug need to update frame
1426         ::WinSendMsg((HWND)this->GetFrame(), WM_UPDATEFRAME, (MPARAM)~0, 0);
1427         return;
1428     }
1429
1430     //
1431     // Else need to change client
1432     //
1433     if(bClientHasFocus)
1434          this->SetFocus();
1435
1436     ::WinEnableWindowUpdate((HWND)GetHWND(), FALSE);
1437     if(pOldClient)
1438     {
1439         pOldClient->Enable(FALSE);
1440         pOldClient->Show(FALSE);
1441         ::WinSetWindowUShort(pOldClient->GetHWND(), QWS_ID, (USHORT)pOldClient->GetId());
1442     }
1443     pWindow->Reparent(this);
1444     ::WinSetWindowUShort(pWindow->GetHWND(), QWS_ID, FID_CLIENT);
1445     ::WinEnableWindowUpdate((HWND)GetHWND(), TRUE);
1446     pWindow->Enable();
1447     pWindow->Show();   // ensure client is showing
1448     if( this->IsShown() )
1449     {
1450         this->Show();
1451         ::WinSendMsg(m_hFrame, WM_UPDATEFRAME, (MPARAM)~0, 0);
1452     }
1453 }
1454
1455 wxWindow* wxFrame::GetClient()
1456 {
1457     return wxFindWinFromHandle((WXHWND)::WinWindowFromID(m_hFrame, FID_CLIENT));
1458 }