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