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