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