src/os2/mdi.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        mdi.cpp
   3 // Purpose:     MDI classes
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     10/10/99
   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/setup.h"
  17     #include "wx/frame.h"
  18     #include "wx/menu.h"
  19     #include "wx/app.h"
  20     #include "wx/utils.h"
  21     #include "wx/dialog.h"
  22     #include "wx/statusbr.h"
  23     #include "wx/settings.h"
  24     #include "wx/intl.h"
  25     #include "wx/log.h"
  26 #endif
  27
  28 #include "wx/mdi.h"
  29 #include "wx/os2/private.h"
  30
  31 #include <string.h>
  32
  33 // ---------------------------------------------------------------------------
  34 // global variables
  35 // ---------------------------------------------------------------------------
  36
  37 extern wxWindowList wxModelessWindows;      // from dialog.cpp
  38 extern wxMenu *wxCurrentPopupMenu;
  39
  40 extern wxWindow *wxWndHook;                 // from window.cpp
  41
  42 extern void wxAssociateWinWithHandle(HWND hWnd, wxWindow *win);
  43
  44 static HWND invalidHandle = 0;
  45
  46 // ---------------------------------------------------------------------------
  47 // constants
  48 // ---------------------------------------------------------------------------
  49
  50 static const int IDM_WINDOWTILE  = 4001;
  51 static const int IDM_WINDOWTILEHOR  = 4001;
  52 static const int IDM_WINDOWCASCADE = 4002;
  53 static const int IDM_WINDOWICONS = 4003;
  54 static const int IDM_WINDOWNEXT = 4004;
  55 static const int IDM_WINDOWTILEVERT = 4005;
  56 static const int IDM_WINDOWPREV = 4006;
  57
  58 // This range gives a maximum of 500 MDI children. Should be enough :-)
  59 static const int wxFIRST_MDI_CHILD = 4100;
  60 static const int wxLAST_MDI_CHILD = 4600;
  61
  62 // Status border dimensions
  63 static const int wxTHICK_LINE_BORDER = 3;
  64 static const int wxTHICK_LINE_WIDTH  = 1;
  65
  66 // ---------------------------------------------------------------------------
  67 // private functions
  68 // ---------------------------------------------------------------------------
  69
  70 // set the MDI menus (by sending the WM_MDISETMENU message) and update the menu
  71 // of the parent of win (which is supposed to be the MDI client window)
  72 static void MDISetMenu(wxWindow *win, HMENU hmenuFrame, HMENU hmenuWindow);
  73
  74 // insert the window menu (subMenu) into menu just before "Help" submenu or at
  75 // the very end if not found
  76 static void InsertWindowMenu(wxWindow *win, WXHMENU menu, HMENU subMenu);
  77
  78 // is this an id of an MDI child?
  79 inline bool IsMdiCommandId(int id)
  80 {
  81     return (id >= wxFIRST_MDI_CHILD) && (id <= wxLAST_MDI_CHILD);
  82 }
  83
  84 // unpack the parameters of WM_MDIACTIVATE message
  85 static void UnpackMDIActivate(WXWPARAM wParam, WXLPARAM lParam,
  86                               WXWORD *activate, WXHWND *hwndAct, WXHWND *hwndDeact);
  87
  88 // return the HMENU of the MDI menu
  89 static inline HMENU GetMDIWindowMenu(wxMDIParentFrame *frame)
  90 {
  91     wxMenu *menu = frame->GetWindowMenu();
  92     return menu ? GetHmenuOf(menu) : 0;
  93 }
  94
  95 // ===========================================================================
  96 // implementation
  97 // ===========================================================================
  98
  99 // ---------------------------------------------------------------------------
 100 // wxWin macros
 101 // ---------------------------------------------------------------------------
 102
 103     IMPLEMENT_DYNAMIC_CLASS(wxMDIParentFrame, wxFrame)
 104     IMPLEMENT_DYNAMIC_CLASS(wxMDIChildFrame, wxFrame)
 105     IMPLEMENT_DYNAMIC_CLASS(wxMDIClientWindow, wxWindow)
 106
 107 BEGIN_EVENT_TABLE(wxMDIParentFrame, wxFrame)
 108     EVT_SIZE(wxMDIParentFrame::OnSize)
 109     EVT_SYS_COLOUR_CHANGED(wxMDIParentFrame::OnSysColourChanged)
 110 END_EVENT_TABLE()
 111
 112 BEGIN_EVENT_TABLE(wxMDIClientWindow, wxWindow)
 113     EVT_SCROLL(wxMDIClientWindow::OnScroll)
 114 END_EVENT_TABLE()
 115
 116 // ===========================================================================
 117 // wxMDIParentFrame: the frame which contains the client window which manages
 118 // the children
 119 // ===========================================================================
 120
 121 wxMDIParentFrame::wxMDIParentFrame()
 122 {
 123     m_clientWindow = NULL;
 124     m_currentChild = NULL;
 125     m_windowMenu = 0;
 126     m_parentFrameActive = TRUE;
 127 }
 128
 129 bool wxMDIParentFrame::Create(wxWindow *parent,
 130                               wxWindowID id,
 131                               const wxString& title,
 132                               const wxPoint& pos,
 133                               const wxSize& size,
 134                               long style,
 135                               const wxString& name)
 136 {
 137   m_hDefaultIcon = (WXHICON) (wxSTD_MDIPARENTFRAME_ICON ? wxSTD_MDIPARENTFRAME_ICON : wxDEFAULT_MDIPARENTFRAME_ICON);
 138
 139   m_clientWindow = NULL;
 140   m_currentChild = NULL;
 141   m_windowMenu = 0;
 142   m_parentFrameActive = TRUE;
 143
 144   if (!parent)
 145     wxTopLevelWindows.Append(this);
 146
 147   SetName(name);
 148   wxWindowBase::Show(TRUE); // MDI child frame starts off shown
 149   m_windowStyle = style;
 150
 151   if (parent) parent->AddChild(this);
 152
 153   if ( id > -1 )
 154     m_windowId = id;
 155   else
 156     m_windowId = (int)NewControlId();
 157
 158   int x = pos.x;
 159   int y = pos.y;
 160   int width = size.x;
 161   int height = size.y;
 162
 163 // TODO:  m_windowMenu = (WXHMENU) ::LoadMenu(wxGetInstance(), wxT("wxWindowMenu"));
 164 /*
 165   DWORD msflags = WS_OVERLAPPED;
 166   if (style & wxMINIMIZE_BOX)
 167     msflags |= WS_MINIMIZEBOX;
 168   if (style & wxMAXIMIZE_BOX)
 169     msflags |= WS_MAXIMIZEBOX;
 170   if (style & wxTHICK_FRAME)
 171     msflags |= WS_THICKFRAME;
 172   if (style & wxSYSTEM_MENU)
 173     msflags |= WS_SYSMENU;
 174   if ((style & wxMINIMIZE) || (style & wxICONIZE))
 175     msflags |= WS_MINIMIZE;
 176   if (style & wxMAXIMIZE)
 177     msflags |= WS_MAXIMIZE;
 178   if (style & wxCAPTION)
 179     msflags |= WS_CAPTION;
 180
 181   if (style & wxCLIP_CHILDREN)
 182     msflags |= WS_CLIPCHILDREN;
 183
 184   wxWindow::MSWCreate(m_windowId, parent, wxMDIFrameClassName, this, title, x, y, width, height,
 185          msflags);
 186 */
 187   wxModelessWindows.Append(this);
 188
 189   return TRUE;
 190 }
 191
 192 wxMDIParentFrame::~wxMDIParentFrame()
 193 {
 194     DestroyChildren();
 195
 196 // TODO:    ::DestroyMenu((HMENU)m_windowMenu);
 197     m_windowMenu = 0;
 198
 199     if ( m_clientWindow )
 200     {
 201         if ( m_clientWindow->OS2GetOldWndProc() )
 202             m_clientWindow->UnsubclassWin();
 203
 204         m_clientWindow->SetHWND(0);
 205         delete m_clientWindow;
 206     }
 207 }
 208
 209 void wxMDIParentFrame::InternalSetMenuBar()
 210 {
 211     // TODO:
 212 /*
 213     HMENU subMenu = GetSubMenu((HMENU) m_windowMenu, 0);
 214
 215     m_parentFrameActive = TRUE;
 216
 217     InsertWindowMenu(GetClientWindow(), m_hMenu, subMenu);
 218 */
 219 }
 220
 221 void wxMDIParentFrame::OnSize(wxSizeEvent& event)
 222 {
 223     // TODO:
 224 /*
 225     if ( GetClientWindow() )
 226     {
 227         int width, height;
 228         GetClientSize(&width, &height);
 229
 230         GetClientWindow()->SetSize(0, 0, width, height);
 231     }
 232 */
 233 }
 234
 235 // Returns the active MDI child window
 236 wxMDIChildFrame *wxMDIParentFrame::GetActiveChild() const
 237 {
 238     HWND hWnd = 0; // TODO: (HWND)::SendMessage(GetWinHwnd(GetClientWindow()),
 239 //                                    WM_MDIGETACTIVE, 0, 0L);
 240     if ( hWnd == 0 )
 241         return NULL;
 242     else
 243         return (wxMDIChildFrame *)wxFindWinFromHandle((WXHWND) hWnd);
 244 }
 245
 246 // Create the client window class (don't Create the window, just return a new
 247 // class)
 248 wxMDIClientWindow *wxMDIParentFrame::OnCreateClient()
 249 {
 250     return new wxMDIClientWindow;
 251 }
 252
 253 // Responds to colour changes, and passes event on to children.
 254 void wxMDIParentFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 255 {
 256     if ( m_clientWindow )
 257     {
 258         m_clientWindow->SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE));
 259         m_clientWindow->Refresh();
 260     }
 261
 262     event.Skip();
 263 }
 264
 265 // ---------------------------------------------------------------------------
 266 // MDI operations
 267 // ---------------------------------------------------------------------------
 268
 269 void wxMDIParentFrame::Cascade()
 270 {
 271 // TODO:    ::SendMessage(GetWinHwnd(GetClientWindow()), WM_MDICASCADE, 0, 0);
 272 }
 273
 274 // TODO: add a direction argument (hor/vert)
 275 void wxMDIParentFrame::Tile()
 276 {
 277 // TODO:    ::SendMessage(GetWinHwnd(GetClientWindow()), WM_MDITILE, MDITILE_HORIZONTAL, 0);
 278 }
 279
 280 void wxMDIParentFrame::ArrangeIcons()
 281 {
 282 // TODO:    ::SendMessage(GetWinHwnd(GetClientWindow()), WM_MDIICONARRANGE, 0, 0);
 283 }
 284
 285 void wxMDIParentFrame::ActivateNext()
 286 {
 287 // TODO:    ::SendMessage(GetWinHwnd(GetClientWindow()), WM_MDINEXT, 0, 0);
 288 }
 289
 290 void wxMDIParentFrame::ActivatePrevious()
 291 {
 292 // TODO:    ::SendMessage(GetWinHwnd(GetClientWindow()), WM_MDINEXT, 0, 1);
 293 }
 294
 295 // ---------------------------------------------------------------------------
 296 // the MDI parent frame window proc
 297 // ---------------------------------------------------------------------------
 298
 299 MRESULT wxMDIParentFrame::OS2WindowProc(WXUINT message,
 300                                         WXWPARAM wParam,
 301                                         WXLPARAM lParam)
 302 {
 303     MRESULT rc = 0;
 304     bool processed = FALSE;
 305
 306     // TODO:
 307 /*
 308     switch ( message )
 309     {
 310         case WM_ACTIVATE:
 311             {
 312                 WXWORD state, minimized;
 313                 WXHWND hwnd;
 314                 UnpackActivate(wParam, lParam, &state, &minimized, &hwnd);
 315
 316                 processed = HandleActivate(state, minimized != 0, hwnd);
 317             }
 318             break;
 319
 320         case WM_COMMAND:
 321             {
 322                 WXWORD id, cmd;
 323                 WXHWND hwnd;
 324                 UnpackCommand(wParam, lParam, &id, &hwnd, &cmd);
 325
 326                 (void)HandleCommand(id, cmd, hwnd);
 327
 328                 // even if the frame didn't process it, there is no need to try it
 329                 // once again (i.e. call wxFrame::HandleCommand()) - we just dud it,
 330                 // so pretend we processed the message anyhow
 331                 processed = TRUE;
 332             }
 333
 334             // always pass this message DefFrameProc(), otherwise MDI menu
 335             // commands (and sys commands - more surprizingly!) won't work
 336             MSWDefWindowProc(message, wParam, lParam);
 337             break;
 338
 339         case WM_CREATE:
 340             m_clientWindow = OnCreateClient();
 341             // Uses own style for client style
 342             if ( !m_clientWindow->CreateClient(this, GetWindowStyleFlag()) )
 343             {
 344                 wxLogMessage(_("Failed to create MDI parent frame."));
 345
 346                 rc = -1;
 347             }
 348
 349             processed = TRUE;
 350             break;
 351
 352         case WM_ERASEBKGND:
 353             processed = TRUE;
 354
 355             // we erase background ourselves
 356             rc = TRUE;
 357             break;
 358
 359         case WM_MENUSELECT:
 360             {
 361                 WXWORD item, flags;
 362                 WXHMENU hmenu;
 363                 UnpackMenuSelect(wParam, lParam, &item, &flags, &hmenu);
 364
 365                 if ( m_parentFrameActive )
 366                 {
 367                     processed = HandleMenuSelect(item, flags, hmenu);
 368                 }
 369                 else if (m_currentChild)
 370                 {
 371                     processed = m_currentChild->
 372                         HandleMenuSelect(item, flags, hmenu);
 373                 }
 374             }
 375             break;
 376
 377         case WM_SIZE:
 378             // as we don't (usually) resize the MDI client to exactly fit the
 379             // client area (we put it below the toolbar, above statusbar &c),
 380             // we should not pass this one to DefFrameProc
 381             break;
 382     }
 383 */
 384     if ( !processed )
 385         rc = wxFrame::OS2WindowProc(message, wParam, lParam);
 386
 387     return rc;
 388 }
 389
 390 bool wxMDIParentFrame::HandleActivate(int state, bool minimized, WXHWND activate)
 391 {
 392     bool processed = FALSE;
 393
 394     // TODO:
 395 /*
 396     if ( wxWindow::HandleActivate(state, minimized, activate) )
 397     {
 398         // already processed
 399         processed = TRUE;
 400     }
 401
 402     // If this window is an MDI parent, we must also send an OnActivate message
 403     // to the current child.
 404     if ( (m_currentChild != NULL) &&
 405          ((state == WA_ACTIVE) || (state == WA_CLICKACTIVE)) )
 406     {
 407         wxActivateEvent event(wxEVT_ACTIVATE, TRUE, m_currentChild->GetId());
 408         event.SetEventObject( m_currentChild );
 409         if ( m_currentChild->GetEventHandler()->ProcessEvent(event) )
 410             processed = TRUE;
 411     }
 412 */
 413     return processed;
 414 }
 415
 416 bool wxMDIParentFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND hwnd)
 417 {
 418     // In case it's e.g. a toolbar.
 419     if ( hwnd )
 420     {
 421         wxWindow *win = wxFindWinFromHandle(hwnd);
 422         if ( win )
 423             return FALSE; // Need to get wxWindow for OS/2 up to date: win->OS2Command(cmd, id);
 424     }
 425
 426     // is it one of standard MDI commands?
 427     WXWPARAM wParam = 0;
 428     int msg = 0;
 429
 430     // TODO:
 431 /*
 432     switch ( id )
 433     {
 434         case IDM_WINDOWCASCADE:
 435             msg = WM_MDICASCADE;
 436             wParam = MDITILE_SKIPDISABLED;
 437             break;
 438
 439         case IDM_WINDOWTILEHOR:
 440             wParam |= MDITILE_HORIZONTAL;
 441             // fall through
 442
 443         case IDM_WINDOWTILEVERT:
 444             if ( !wParam )
 445                 wParam = MDITILE_VERTICAL;
 446             msg = WM_MDITILE;
 447             wParam |= MDITILE_SKIPDISABLED;
 448             break;
 449
 450         case IDM_WINDOWICONS:
 451             msg = WM_MDIICONARRANGE;
 452             break;
 453
 454         case IDM_WINDOWNEXT:
 455             msg = WM_MDINEXT;
 456             break;
 457
 458         default:
 459             msg = 0;
 460     }
 461 */
 462     if ( msg )
 463     {
 464 // TODO:        ::SendMessage(GetWinHwnd(GetClientWindow()), msg, wParam, 0);
 465
 466         return TRUE;
 467     }
 468
 469     // FIXME VZ: what does this test do??
 470     if (id >= 0xF000)
 471     {
 472         return FALSE; // Get WndProc to call default proc
 473     }
 474
 475     if ( IsMdiCommandId(id) )
 476     {
 477         wxWindowList::Node* node = GetChildren().GetFirst();
 478         while ( node )
 479         {
 480             wxWindow* child = node->GetData();
 481             if ( child->GetHWND() )
 482             {
 483                 long childId = wxGetWindowId(child->GetHWND());
 484                 if (childId == (long)id)
 485                 {
 486 // TODO:                    ::SendMessage( GetWinHwnd(GetClientWindow()),
 487 //                                   WM_MDIACTIVATE,
 488 //                                   (WPARAM)child->GetHWND(), 0);
 489                     return TRUE;
 490                 }
 491             }
 492             node = node->GetNext();
 493         }
 494     }
 495     else if ( m_parentFrameActive )
 496     {
 497         return ProcessCommand(id);
 498     }
 499     else if ( m_currentChild )
 500     {
 501         return m_currentChild->HandleCommand(id, cmd, hwnd);
 502     }
 503     else
 504     {
 505         // this shouldn't happen because it means that our messages are being
 506         // lost (they're not sent to the parent frame nor to the children)
 507         wxFAIL_MSG(wxT("MDI parent frame is not active, "
 508                       "yet there is no active MDI child?"));
 509     }
 510
 511     return FALSE;
 512 }
 513
 514 MRESULT wxMDIParentFrame::OS2DefWindowProc(WXUINT message,
 515                                            WXWPARAM wParam,
 516                                            WXLPARAM lParam)
 517 {
 518     WXHWND clientWnd;
 519     if ( GetClientWindow() )
 520         clientWnd = GetClientWindow()->GetHWND();
 521     else
 522         clientWnd = 0;
 523
 524 // TODO:    return DefFrameProc(GetHwnd(), (HWND)clientWnd, message, wParam, lParam);
 525     return((MRESULT)0);
 526 }
 527
 528 bool wxMDIParentFrame::OS2TranslateMessage(WXMSG* msg)
 529 {
 530     // TODO:
 531 /*
 532     if ( m_currentChild && m_currentChild->GetHWND() &&
 533          m_currentChild->OS2TranslateMessage(msg) )
 534     {
 535         return TRUE;
 536     }
 537
 538     if ( m_acceleratorTable.Translate(this, msg) )
 539     {
 540         return TRUE;
 541     }
 542
 543     if ( pMsg->message == WM_KEYDOWN || pMsg->message == WM_SYSKEYDOWN )
 544     {
 545         if ( ::TranslateMDISysAccel(GetWinHwnd(GetClientWindow()), pMsg))
 546             return TRUE;
 547     }
 548 */
 549     return FALSE;
 550 }
 551
 552 // ===========================================================================
 553 // wxMDIChildFrame
 554 // ===========================================================================
 555
 556 wxMDIChildFrame::wxMDIChildFrame()
 557 {
 558 }
 559
 560 bool wxMDIChildFrame::Create(wxMDIParentFrame *parent,
 561                              wxWindowID id,
 562                              const wxString& title,
 563                              const wxPoint& pos,
 564                              const wxSize& size,
 565                              long style,
 566                              const wxString& name)
 567 {
 568   m_hDefaultIcon = (WXHICON)(wxSTD_MDICHILDFRAME_ICON ? wxSTD_MDICHILDFRAME_ICON
 569                                                       : wxDEFAULT_MDICHILDFRAME_ICON);
 570
 571   SetName(name);
 572
 573   if ( id > -1 )
 574     m_windowId = id;
 575   else
 576     m_windowId = (int)NewControlId();
 577
 578   if ( parent )
 579   {
 580       parent->AddChild(this);
 581   }
 582
 583   wxWndHook = this;
 584
 585   int x = pos.x;
 586   int y = pos.y;
 587   int width = size.x;
 588   int height = size.y;
 589
 590     // TODO:
 591 /*
 592   MDICREATESTRUCT mcs;
 593
 594   mcs.szClass = wxMDIChildFrameClassName;
 595   mcs.szTitle = title;
 596   mcs.hOwner = wxGetInstance();
 597   if (x > -1)
 598       mcs.x = x;
 599   else
 600       mcs.x = CW_USEDEFAULT;
 601
 602   if (y > -1)
 603       mcs.y = y;
 604   else
 605       mcs.y = CW_USEDEFAULT;
 606
 607   if (width > -1)
 608       mcs.cx = width;
 609   else
 610       mcs.cx = CW_USEDEFAULT;
 611
 612   if (height > -1)
 613       mcs.cy = height;
 614   else
 615       mcs.cy = CW_USEDEFAULT;
 616
 617   DWORD msflags = WS_OVERLAPPED | WS_CLIPCHILDREN;
 618   if (style & wxMINIMIZE_BOX)
 619     msflags |= WS_MINIMIZEBOX;
 620   if (style & wxMAXIMIZE_BOX)
 621     msflags |= WS_MAXIMIZEBOX;
 622   if (style & wxTHICK_FRAME)
 623     msflags |= WS_THICKFRAME;
 624   if (style & wxSYSTEM_MENU)
 625     msflags |= WS_SYSMENU;
 626   if ((style & wxMINIMIZE) || (style & wxICONIZE))
 627     msflags |= WS_MINIMIZE;
 628   if (style & wxMAXIMIZE)
 629     msflags |= WS_MAXIMIZE;
 630   if (style & wxCAPTION)
 631     msflags |= WS_CAPTION;
 632
 633   mcs.style = msflags;
 634
 635   mcs.lParam = 0;
 636 */
 637   DWORD Return = 0; // SendMessage(GetWinHwnd(parent->GetClientWindow()),
 638 //                             WM_MDICREATE, 0, (LONG)(LPSTR)&mcs);
 639   m_hWnd = (WXHWND)Return;
 640
 641   wxWndHook = NULL;
 642   wxAssociateWinWithHandle((HWND) GetHWND(), this);
 643
 644   // VZ: what's this? an act of piracy?
 645   //SetWindowLong(GetHwnd(), 0, (long)this);
 646
 647   wxModelessWindows.Append(this);
 648   return TRUE;
 649 }
 650
 651 wxMDIChildFrame::~wxMDIChildFrame()
 652 {
 653     OS2DestroyWindow();
 654 }
 655
 656 // Set the client size (i.e. leave the calculation of borders etc.
 657 // to wxWindows)
 658 void wxMDIChildFrame::DoSetClientSize(int width, int height)
 659 {
 660   HWND hWnd = GetHwnd();
 661
 662     // TODO:
 663 /*
 664   RECT rect;
 665   ::GetClientRect(hWnd, &rect);
 666
 667   RECT rect2;
 668   GetWindowRect(hWnd, &rect2);
 669
 670   // Find the difference between the entire window (title bar and all)
 671   // and the client area; add this to the new client size to move the
 672   // window
 673   int actual_width = rect2.right - rect2.left - rect.right + width;
 674   int actual_height = rect2.bottom - rect2.top - rect.bottom + height;
 675
 676   if (GetStatusBar())
 677   {
 678     int sx, sy;
 679     GetStatusBar()->GetSize(&sx, &sy);
 680     actual_height += sy;
 681   }
 682
 683   POINT point;
 684   point.x = rect2.left;
 685   point.y = rect2.top;
 686
 687   // If there's an MDI parent, must subtract the parent's top left corner
 688   // since MoveWindow moves relative to the parent
 689   wxMDIParentFrame *mdiParent = (wxMDIParentFrame *)GetParent();
 690   ::ScreenToClient((HWND) mdiParent->GetClientWindow()->GetHWND(), &point);
 691
 692   MoveWindow(hWnd, point.x, point.y, actual_width, actual_height, (BOOL)TRUE);
 693
 694   wxSizeEvent event(wxSize(width, height), m_windowId);
 695   event.SetEventObject( this );
 696   GetEventHandler()->ProcessEvent(event);
 697 */
 698 }
 699
 700 void wxMDIChildFrame::DoGetPosition(int *x, int *y) const
 701 {
 702     // TODO:
 703 /*
 704   RECT rect;
 705   GetWindowRect(GetHwnd(), &rect);
 706   POINT point;
 707   point.x = rect.left;
 708   point.y = rect.top;
 709
 710   // Since we now have the absolute screen coords,
 711   // if there's a parent we must subtract its top left corner
 712   wxMDIParentFrame *mdiParent = (wxMDIParentFrame *)GetParent();
 713   ::ScreenToClient((HWND) mdiParent->GetClientWindow()->GetHWND(), &point);
 714
 715   *x = point.x;
 716   *y = point.y;
 717 */
 718 }
 719
 720 void wxMDIChildFrame::InternalSetMenuBar()
 721 {
 722     // TODO:
 723 /*
 724
 725     wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent();
 726
 727     HMENU subMenu = GetSubMenu((HMENU)parent->GetWindowMenu(), 0);
 728
 729     InsertWindowMenu(parent->GetClientWindow(), m_hMenu, subMenu);
 730
 731     parent->m_parentFrameActive = FALSE;
 732 */
 733 }
 734
 735 // ---------------------------------------------------------------------------
 736 // MDI operations
 737 // ---------------------------------------------------------------------------
 738
 739 void wxMDIChildFrame::Maximize(bool maximize)
 740 {
 741     wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent();
 742     // TODO:
 743 /*
 744     if ( parent && parent->GetClientWindow() )
 745     {
 746         ::SendMessage(GetWinHwnd(parent->GetClientWindow()),
 747                       maximize ? WM_MDIMAXIMIZE : WM_MDIRESTORE,
 748                       (WPARAM)GetHwnd(), 0);
 749     }
 750 */
 751 }
 752
 753 void wxMDIChildFrame::Restore()
 754 {
 755     // TODO:
 756 /*
 757     wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent();
 758     if ( parent && parent->GetClientWindow() )
 759     {
 760         ::SendMessage(GetWinHwnd(parent->GetClientWindow()), WM_MDIRESTORE,
 761                       (WPARAM) GetHwnd(), 0);
 762     }
 763 */
 764 }
 765
 766 void wxMDIChildFrame::Activate()
 767 {
 768     // TODO:
 769 /*
 770     wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent();
 771     if ( parent && parent->GetClientWindow() )
 772     {
 773         ::SendMessage(GetWinHwnd(parent->GetClientWindow()), WM_MDIACTIVATE,
 774                       (WPARAM) GetHwnd(), 0);
 775     }
 776 */
 777 }
 778
 779 // ---------------------------------------------------------------------------
 780 // MDI window proc and message handlers
 781 // ---------------------------------------------------------------------------
 782
 783 MRESULT wxMDIChildFrame::OS2WindowProc(WXUINT message,
 784                                        WXWPARAM wParam,
 785                                        WXLPARAM lParam)
 786 {
 787     MRESULT rc = 0;
 788     bool processed = FALSE;
 789
 790     // TODO:
 791 /*
 792     switch ( message )
 793     {
 794         case WM_COMMAND:
 795             {
 796                 WORD id, cmd;
 797                 WXHWND hwnd;
 798                 UnpackCommand((WXWPARAM)wParam, (WXLPARAM)lParam,
 799                               &id, &hwnd, &cmd);
 800
 801                 processed = HandleCommand(id, cmd, (WXHWND)hwnd);
 802             }
 803             break;
 804
 805         case WM_GETMINMAXINFO:
 806             // let the default window proc calculate the size of MDI children
 807             // frames because it is based on the size of the MDI client window,
 808             // not on the values specified in wxWindow m_min/max variables
 809             return MSWDefWindowProc(message, wParam, lParam);
 810
 811         case WM_MDIACTIVATE:
 812             {
 813                 WXWORD act;
 814                 WXHWND hwndAct, hwndDeact;
 815                 UnpackMDIActivate(wParam, lParam, &act, &hwndAct, &hwndDeact);
 816
 817                 processed = HandleMDIActivate(act, hwndAct, hwndDeact);
 818             }
 819             // fall through
 820
 821         case WM_MOVE:
 822             // must pass WM_MOVE to DefMDIChildProc() to recalculate MDI client
 823             // scrollbars if necessary
 824
 825             // fall through
 826
 827         case WM_SIZE:
 828             // must pass WM_SIZE to DefMDIChildProc(), otherwise many weird
 829             // things happen
 830             MSWDefWindowProc(message, wParam, lParam);
 831             break;
 832
 833         case WM_SYSCOMMAND:
 834             // DefMDIChildProc handles SC_{NEXT/PREV}WINDOW here, so pass it
 835             // the message (the base class version does not)
 836             return MSWDefWindowProc(message, wParam, lParam);
 837
 838         case WM_WINDOWPOSCHANGING:
 839             processed = HandleWindowPosChanging((LPWINDOWPOS)lParam);
 840             break;
 841     }
 842 */
 843     if ( !processed )
 844         rc = wxFrame::OS2WindowProc(message, wParam, lParam);
 845
 846     return rc;
 847 }
 848
 849 bool wxMDIChildFrame::HandleSize(int x, int y, WXUINT id)
 850 {
 851     HWND hwnd = GetHwnd();
 852
 853     if ( !hwnd || hwnd == invalidHandle )
 854     {
 855         return FALSE;
 856     }
 857
 858     // TODO:
 859 /*
 860     switch (id)
 861     {
 862         case SIZEFULLSCREEN:
 863         case SIZENORMAL:
 864             m_iconized = FALSE;
 865             break;
 866
 867         case SIZEICONIC:
 868             m_iconized = TRUE;
 869             break;
 870     }
 871
 872     if ( !m_iconized )
 873     {
 874         // forward WM_SIZE to status bar control
 875 #if wxUSE_NATIVE_STATUSBAR
 876         if (m_frameStatusBar && m_frameStatusBar->IsKindOf(CLASSINFO(wxStatusBar95)))
 877         {
 878             wxSizeEvent event(wxSize(x, y), m_frameStatusBar->GetId());
 879             event.SetEventObject( m_frameStatusBar );
 880
 881             ((wxStatusBar95 *)m_frameStatusBar)->OnSize(event);
 882         }
 883 #endif // wxUSE_NATIVE_STATUSBAR
 884
 885         PositionStatusBar();
 886         PositionToolBar();
 887
 888         return wxWindow::HandleSize(x, y, id);
 889     }
 890     else
 891     {
 892         return FALSE;
 893     }
 894 */
 895     return TRUE;
 896 }
 897
 898 bool wxMDIChildFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND hwnd)
 899 {
 900     // In case it's e.g. a toolbar.
 901     if ( hwnd )
 902     {
 903         wxWindow *win = wxFindWinFromHandle(hwnd);
 904 //        if (win)
 905 // Fix dependent stuff           return win->OS2Command(cmd, id);
 906     }
 907
 908     if (wxCurrentPopupMenu)
 909     {
 910         wxMenu *popupMenu = wxCurrentPopupMenu;
 911         wxCurrentPopupMenu = NULL;
 912 // Fix dependent stuff        if (popupMenu->OS2Command(cmd, id))
 913 //            return TRUE;
 914     }
 915
 916     if (GetMenuBar() && GetMenuBar()->FindItem(id))
 917     {
 918         ProcessCommand(id);
 919         return TRUE;
 920     }
 921     else
 922         return FALSE;
 923
 924     return TRUE;
 925 }
 926
 927 bool wxMDIChildFrame::HandleMDIActivate(long WXUNUSED(activate),
 928                                         WXHWND hwndAct,
 929                                         WXHWND hwndDeact)
 930 {
 931     wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent();
 932
 933     HMENU menuToSet = 0;
 934
 935     bool activated;
 936
 937     if ( m_hWnd == hwndAct )
 938     {
 939         activated = TRUE;
 940         parent->m_currentChild = this;
 941
 942         HMENU child_menu = (HMENU)GetWinMenu();
 943         if ( child_menu )
 944         {
 945             parent->m_parentFrameActive = FALSE;
 946
 947             menuToSet = child_menu;
 948         }
 949     }
 950     else if ( m_hWnd == hwndDeact )
 951     {
 952         wxASSERT_MSG( parent->m_currentChild == this,
 953                       wxT("can't deactivate MDI child which wasn't active!") );
 954
 955         activated = FALSE;
 956         parent->m_currentChild = NULL;
 957
 958         HMENU parent_menu = (HMENU)parent->GetWinMenu();
 959         if ( parent_menu )
 960         {
 961             parent->m_parentFrameActive = TRUE;
 962
 963             menuToSet = parent_menu;
 964         }
 965     }
 966     else
 967     {
 968         // we have nothing to with it
 969         return FALSE;
 970     }
 971
 972     if ( menuToSet )
 973     {
 974         HMENU subMenu = 0; // TODO: GetSubMenu((HMENU) parent->GetWindowMenu(), 0);
 975
 976         MDISetMenu(parent->GetClientWindow(), menuToSet, subMenu);
 977     }
 978
 979     wxActivateEvent event(wxEVT_ACTIVATE, activated, m_windowId);
 980     event.SetEventObject( this );
 981
 982     return GetEventHandler()->ProcessEvent(event);
 983 }
 984
 985 bool wxMDIChildFrame::HandleWindowPosChanging(void *pos)
 986 {
 987 //    WINDOWPOS *lpPos = (WINDOWPOS *)pos;
 988     return FALSE;
 989 }
 990
 991 // ---------------------------------------------------------------------------
 992 // MDI specific message translation/preprocessing
 993 // ---------------------------------------------------------------------------
 994
 995 MRESULT wxMDIChildFrame::OS2DefWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 996 {
 997     // TODO
 998 /*
 999     return DefMDIChildProc(GetHwnd(),
1000                            (UINT)message, (WPARAM)wParam, (LPARAM)lParam);
1001 */
1002     return (MRESULT)0;
1003 }
1004
1005 bool wxMDIChildFrame::OS2TranslateMessage(WXMSG* msg)
1006 {
1007 #if wxUSE_ACCEL
1008     return m_acceleratorTable.Translate(GetParent()->GetHWND(), msg);
1009 #else
1010     return FALSE;
1011 #endif  //wxUSE_ACCEL
1012
1013 }
1014
1015 // ---------------------------------------------------------------------------
1016 // misc
1017 // ---------------------------------------------------------------------------
1018
1019 void wxMDIChildFrame::OS2DestroyWindow()
1020 {
1021 // get wxWindow up to date    OS2DetachWindowMenu();
1022     invalidHandle = GetHwnd();
1023
1024     wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent();
1025
1026     // Must make sure this handle is invalidated (set to NULL) since all sorts
1027     // of things could happen after the child client is destroyed, but before
1028     // the wxFrame is destroyed.
1029
1030     HWND oldHandle = (HWND)GetHWND();
1031 // TODO:    SendMessage(GetWinHwnd(parent->GetClientWindow()), WM_MDIDESTROY,
1032 //                (WPARAM)oldHandle, 0);
1033     invalidHandle = 0;
1034
1035     if (m_hMenu)
1036     {
1037 // TODO:        ::DestroyMenu((HMENU) m_hMenu);
1038         m_hMenu = 0;
1039     }
1040     m_hWnd = 0;
1041 }
1042
1043 // Change the client window's extended style so we don't get a client edge
1044 // style when a child is maximised (a double border looks silly.)
1045 bool wxMDIChildFrame::ResetWindowStyle(void *vrect)
1046 {
1047     return FALSE;
1048 }
1049
1050 // ===========================================================================
1051 // wxMDIClientWindow: the window of predefined (by Windows) class which
1052 // contains the child frames
1053 // ===========================================================================
1054
1055 bool wxMDIClientWindow::CreateClient(wxMDIParentFrame *parent, long style)
1056 {
1057     m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE);
1058
1059     // TODO:
1060 /*
1061     CLIENTCREATESTRUCT ccs;
1062     m_windowStyle = style;
1063     m_parent = parent;
1064
1065     ccs.hWindowMenu = (HMENU)parent->GetWindowMenu();
1066     ccs.idFirstChild = wxFIRST_MDI_CHILD;
1067
1068     DWORD msStyle = WS_VISIBLE | WS_CHILD | WS_CLIPCHILDREN;
1069     if ( style & wxHSCROLL )
1070         msStyle |= WS_HSCROLL;
1071     if ( style & wxVSCROLL )
1072         msStyle |= WS_VSCROLL;
1073
1074 #if defined(__WIN95__)
1075     DWORD exStyle = WS_EX_CLIENTEDGE;
1076 #else
1077     DWORD exStyle = 0;
1078 #endif
1079
1080     wxWndHook = this;
1081     m_hWnd = (WXHWND)::CreateWindowEx
1082                        (
1083                         exStyle,
1084                         wxT("MDICLIENT"),
1085                         NULL,
1086                         msStyle,
1087                         0, 0, 0, 0,
1088                         GetWinHwnd(parent),
1089                         NULL,
1090                         wxGetInstance(),
1091                         (LPSTR)(LPCLIENTCREATESTRUCT)&ccs);
1092     if ( !m_hWnd )
1093     {
1094         wxLogLastError("CreateWindowEx(MDI client)");
1095
1096         return FALSE;
1097     }
1098
1099     SubclassWin(m_hWnd);
1100     wxWndHook = NULL;
1101 */
1102     return TRUE;
1103 }
1104
1105 // Explicitly call default scroll behaviour
1106 void wxMDIClientWindow::OnScroll(wxScrollEvent& event)
1107 {
1108     // Note: for client windows, the scroll position is not set in
1109     // WM_HSCROLL, WM_VSCROLL, so we can't easily determine what
1110     // scroll position we're at.
1111     // This makes it hard to paint patterns or bitmaps in the background,
1112     // and have the client area scrollable as well.
1113
1114     if ( event.GetOrientation() == wxHORIZONTAL )
1115         m_scrollX = event.GetPosition(); // Always returns zero!
1116     else
1117         m_scrollY = event.GetPosition(); // Always returns zero!
1118
1119     event.Skip();
1120 }
1121
1122 // ---------------------------------------------------------------------------
1123 // non member functions
1124 // ---------------------------------------------------------------------------
1125
1126 static void MDISetMenu(wxWindow *win, HMENU hmenuFrame, HMENU hmenuWindow)
1127 {
1128     // TODO:
1129 /*
1130     ::SendMessage(GetWinHwnd(win), WM_MDISETMENU,
1131                   (WPARAM)hmenuFrame, (LPARAM)hmenuWindow);
1132     // update menu bar of the parent window
1133     wxWindow *parent = win->GetParent();
1134     wxCHECK_RET( parent, wxT("MDI client without parent frame? weird...") );
1135
1136     ::DrawMenuBar(GetWinHwnd(parent));
1137 */
1138 }
1139
1140 static void InsertWindowMenu(wxWindow *win, WXHMENU menu, HMENU subMenu)
1141 {
1142 /*
1143     // Try to insert Window menu in front of Help, otherwise append it.
1144     HMENU hmenu = (HMENU)menu;
1145     int N = GetMenuItemCount(hmenu);
1146     bool success = FALSE;
1147     for ( int i = 0; i < N; i++ )
1148     {
1149         wxChar buf[256];
1150         int chars = GetMenuString(hmenu, i, buf, WXSIZEOF(buf), MF_BYPOSITION);
1151         if ( chars == 0 )
1152         {
1153             wxLogLastError(wxT("GetMenuString"));
1154
1155             continue;
1156         }
1157
1158         if ( wxStripMenuCodes(wxString(buf)).IsSameAs(wxT("Help")) )
1159         {
1160             success = TRUE;
1161             ::InsertMenu(hmenu, i, MF_BYPOSITION | MF_POPUP | MF_STRING,
1162                          (UINT)subMenu, wxT("&Window"));
1163             break;
1164         }
1165     }
1166
1167     if ( !success )
1168     {
1169         ::AppendMenu(hmenu, MF_POPUP, (UINT)subMenu, wxT("&Window"));
1170     }
1171     MDISetMenu(win, hmenu, subMenu);
1172 */
1173 }
1174
1175 static void UnpackMDIActivate(WXWPARAM wParam, WXLPARAM lParam,
1176                               WXWORD *activate, WXHWND *hwndAct, WXHWND *hwndDeact)
1177 {
1178     *activate = TRUE;
1179     *hwndAct = (WXHWND)lParam;
1180     *hwndDeact = (WXHWND)wParam;
1181 }
1182