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