src/msw/mdi.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        mdi.cpp
   3 // Purpose:     MDI classes
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "mdi.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24 #include "wx/setup.h"
  25 #include "wx/frame.h"
  26 #include "wx/menu.h"
  27 #include "wx/app.h"
  28 #include "wx/utils.h"
  29 #include "wx/dialog.h"
  30 #include "wx/statusbr.h"
  31 #include "wx/settings.h"
  32 #endif
  33
  34 #include "wx/mdi.h"
  35 #include "wx/msw/private.h"
  36
  37 #if wxUSE_NATIVE_STATUSBAR
  38 #include <wx/msw/statbr95.h>
  39 #endif
  40
  41 #include <string.h>
  42
  43 extern wxList wxModelessWindows;
  44 extern wxMenu *wxCurrentPopupMenu;
  45
  46 #define IDM_WINDOWTILE  4001
  47 #define IDM_WINDOWCASCADE 4002
  48 #define IDM_WINDOWICONS 4003
  49 #define IDM_WINDOWNEXT 4004
  50 // This range gives a maximum of 500
  51 // MDI children. Should be enough :-)
  52 #define wxFIRST_MDI_CHILD 4100
  53 #define wxLAST_MDI_CHILD 4600
  54
  55 // Status border dimensions
  56 #define         wxTHICK_LINE_BORDER 3
  57 #define         wxTHICK_LINE_WIDTH  1
  58
  59 extern char wxMDIFrameClassName[];
  60 extern char wxMDIChildFrameClassName[];
  61 extern wxWindow *wxWndHook;
  62
  63 #if !USE_SHARED_LIBRARY
  64 IMPLEMENT_DYNAMIC_CLASS(wxMDIParentFrame, wxFrame)
  65 IMPLEMENT_DYNAMIC_CLASS(wxMDIChildFrame, wxFrame)
  66 IMPLEMENT_DYNAMIC_CLASS(wxMDIClientWindow, wxWindow)
  67
  68 BEGIN_EVENT_TABLE(wxMDIParentFrame, wxFrame)
  69   EVT_SIZE(wxMDIParentFrame::OnSize)
  70   EVT_ACTIVATE(wxMDIParentFrame::OnActivate)
  71   EVT_SYS_COLOUR_CHANGED(wxMDIParentFrame::OnSysColourChanged)
  72 END_EVENT_TABLE()
  73
  74 BEGIN_EVENT_TABLE(wxMDIClientWindow, wxWindow)
  75   EVT_SCROLL(wxMDIClientWindow::OnScroll)
  76 END_EVENT_TABLE()
  77
  78 #endif
  79
  80 wxMDIParentFrame::wxMDIParentFrame(void)
  81 {
  82     m_clientWindow = NULL;
  83     m_currentChild = NULL;
  84     m_windowMenu = 0;
  85     m_parentFrameActive = TRUE;
  86 }
  87
  88 bool wxMDIParentFrame::Create(wxWindow *parent,
  89            wxWindowID id,
  90            const wxString& title,
  91            const wxPoint& pos,
  92            const wxSize& size,
  93            long style,
  94            const wxString& name)
  95 {
  96   m_defaultIcon = (WXHICON) (wxSTD_MDIPARENTFRAME_ICON ? wxSTD_MDIPARENTFRAME_ICON : wxDEFAULT_MDIPARENTFRAME_ICON);
  97
  98   m_clientWindow = NULL;
  99   m_currentChild = NULL;
 100   m_windowMenu = 0;
 101   m_parentFrameActive = TRUE;
 102
 103   if (!parent)
 104     wxTopLevelWindows.Append(this);
 105
 106   SetName(name);
 107   m_windowStyle = style;
 108
 109   if (parent) parent->AddChild(this);
 110
 111   if ( id > -1 )
 112     m_windowId = id;
 113   else
 114     m_windowId = (int)NewControlId();
 115
 116   int x = pos.x;
 117   int y = pos.y;
 118   int width = size.x;
 119   int height = size.y;
 120
 121   m_windowMenu = (WXHMENU) ::LoadMenu(wxGetInstance(), "wxWindowMenu");
 122
 123   DWORD msflags = WS_OVERLAPPED ;
 124   if (style & wxMINIMIZE_BOX)
 125     msflags |= WS_MINIMIZEBOX;
 126   if (style & wxMAXIMIZE_BOX)
 127     msflags |= WS_MAXIMIZEBOX;
 128   if (style & wxTHICK_FRAME)
 129     msflags |= WS_THICKFRAME;
 130   if (style & wxSYSTEM_MENU)
 131     msflags |= WS_SYSMENU;
 132   if ((style & wxMINIMIZE) || (style & wxICONIZE))
 133     msflags |= WS_MINIMIZE;
 134   if (style & wxMAXIMIZE)
 135     msflags |= WS_MAXIMIZE;
 136   if (style & wxCAPTION)
 137     msflags |= WS_CAPTION;
 138
 139   // Adding WS_CLIPCHILDREN causes children not to be properly
 140   // drawn when first displaying them.
 141 //  if (style & wxCLIP_CHILDREN)
 142 //    msflags |= WS_CLIPCHILDREN;
 143
 144   wxWindow::MSWCreate(m_windowId, parent, wxMDIFrameClassName, this, title, x, y, width, height,
 145          msflags);
 146
 147   wxModelessWindows.Append(this);
 148
 149   return TRUE;
 150 }
 151
 152 wxMDIParentFrame::~wxMDIParentFrame(void)
 153 {
 154   DestroyChildren();
 155
 156   DestroyMenu((HMENU) m_windowMenu); // Destroy dummy "Window" menu
 157   m_windowMenu = 0;
 158
 159   if (m_clientWindow->MSWGetOldWndProc())
 160         m_clientWindow->UnsubclassWin();
 161
 162   m_clientWindow->m_hWnd = 0;
 163   delete m_clientWindow;
 164 }
 165
 166 // Get size *available for subwindows* i.e. excluding menu bar.
 167 void wxMDIParentFrame::GetClientSize(int *x, int *y) const
 168 {
 169   RECT rect;
 170   GetClientRect((HWND) GetHWND(), &rect);
 171
 172   int cwidth = rect.right;
 173   int cheight = rect.bottom;
 174
 175   if ( GetStatusBar() )
 176   {
 177         int sw, sh;
 178         GetStatusBar()->GetSize(&sw, &sh);
 179         cheight -= sh;
 180   }
 181
 182   wxPoint pt(GetClientAreaOrigin());
 183   cheight -= pt.y;
 184   cwidth -= pt.x;
 185
 186   *x = cwidth;
 187   *y = cheight;
 188 }
 189
 190 void wxMDIParentFrame::SetMenuBar(wxMenuBar *menu_bar)
 191 {
 192   if (!menu_bar)
 193   {
 194     m_frameMenuBar = NULL;
 195     return;
 196   }
 197
 198   if (menu_bar->m_menuBarFrame)
 199          return;
 200
 201   int i;
 202   HMENU menu = CreateMenu();
 203
 204   for (i = 0; i < menu_bar->m_menuCount; i ++)
 205   {
 206     HMENU popup = (HMENU)menu_bar->m_menus[i]->m_hMenu;
 207     //
 208     // After looking Bounds Checker result, it seems that all
 209     // menus must be individually destroyed. So, don't reset m_hMenu,
 210     // to  allow ~wxMenu to do the job.
 211     //
 212     menu_bar->m_menus[i]->m_savehMenu = (WXHMENU) popup;
 213     // Uncommenting for the moment... JACS
 214     menu_bar->m_menus[i]->m_hMenu = (WXHMENU) NULL;
 215     AppendMenu(menu, MF_POPUP | MF_STRING, (UINT)popup, menu_bar->m_titles[i]);
 216   }
 217
 218   menu_bar->m_hMenu = (WXHMENU)menu;
 219   if (m_frameMenuBar)
 220     delete m_frameMenuBar;
 221
 222   this->m_hMenu = (WXHMENU) menu;
 223
 224   // MDI parent-specific code follows
 225
 226   HMENU subMenu = GetSubMenu((HMENU) m_windowMenu, 0);
 227
 228   // Try to insert Window menu in front of Help, otherwise append it.
 229   int N = GetMenuItemCount(menu);
 230   bool success = FALSE;
 231   for (i = 0; i < N; i++)
 232   {
 233         char buf[100];
 234         int chars = GetMenuString(menu, i, buf, 100, MF_BYPOSITION);
 235         if ((chars > 0) && (strcmp(buf, "&Help") == 0 ||
 236                             strcmp(buf, "Help") == 0))
 237         {
 238            success = TRUE;
 239            InsertMenu(menu, i, MF_BYPOSITION | MF_POPUP | MF_STRING,
 240                       (UINT)subMenu, "&Window");
 241            break;
 242         }
 243   }
 244   if (!success)
 245     AppendMenu(menu, MF_POPUP,
 246                          (UINT)subMenu,
 247                          "&Window");
 248   m_parentFrameActive = TRUE;
 249 #ifdef __WIN32__
 250   SendMessage((HWND) GetClientWindow()->GetHWND(), WM_MDISETMENU,
 251                 (WPARAM)menu,
 252                   (LPARAM)subMenu);
 253 #else
 254   SendMessage((HWND) GetClientWindow()->GetHWND(), WM_MDISETMENU, 0,
 255               MAKELPARAM(menu, subMenu));
 256 #endif
 257   DrawMenuBar((HWND) GetHWND());
 258
 259   m_frameMenuBar = menu_bar;
 260   menu_bar->m_menuBarFrame = this;
 261 }
 262
 263 void wxMDIParentFrame::OnSize(wxSizeEvent& event)
 264 {
 265 #if wxUSE_CONSTRAINTS
 266     if (GetAutoLayout())
 267       Layout();
 268 #endif
 269     int x = 0;
 270     int y = 0;
 271     int width, height;
 272     GetClientSize(&width, &height);
 273
 274     if ( GetClientWindow() )
 275         GetClientWindow()->SetSize(x, y, width, height);
 276
 277 /* Already done in MSWOnSize
 278   // forward WM_SIZE to status bar control
 279 #if wxUSE_NATIVE_STATUSBAR
 280   if (m_frameStatusBar && m_frameStatusBar->IsKindOf(CLASSINFO(wxStatusBar95)))
 281     ((wxStatusBar95 *)m_frameStatusBar)->OnSize(event);
 282 #endif
 283 */
 284
 285 }
 286
 287 void wxMDIParentFrame::OnActivate(wxActivateEvent& event)
 288 {
 289         // Do nothing
 290 }
 291
 292 #if WXWIN_COMPATIBILITY
 293 /*
 294 void wxMDIParentFrame::OldOnSize(int x, int y)
 295 {
 296 #if WXWIN_COMPATIBILITY == 1
 297   wxSizeEvent event(wxSize(x, y), m_windowId);
 298   event.SetEventObject( this );
 299   GetEventHandler()->ProcessEvent(event);
 300 #else
 301
 302 #if wxUSE_CONSTRAINTS
 303   if (GetAutoLayout())
 304     Layout();
 305 #endif
 306   int x = 0;
 307   int y = 0;
 308   int width, height;
 309   GetClientSize(&width, &height);
 310   if ( GetToolBar() )
 311   {
 312       int wt, ht;
 313       GetToolBar()->GetSize(&wt, &ht);
 314       height -= ht;
 315       y += ht;
 316   }
 317
 318   if ( GetClientWindow() )
 319       GetClientWindow()->SetSize(x, y, width, height);
 320
 321 #endif
 322 }
 323
 324 // Default activation behaviour - nothing.
 325 // Default activation behaviour - override dedault wxFrame behaviour
 326 void wxMDIParentFrame::OldOnActivate(bool flag)
 327 {
 328 #if WXWIN_COMPATIBILITY == 1
 329   wxActivateEvent event(wxEVT_ACTIVATE, flag, m_windowId);
 330   event.SetEventObject( this );
 331   GetEventHandler()->ProcessEvent(event);
 332 #else
 333 #endif
 334 }
 335 */
 336
 337 #endif
 338
 339 // Returns the active MDI child window
 340 wxMDIChildFrame *wxMDIParentFrame::GetActiveChild(void) const
 341 {
 342 //  HWND hWnd = (HWND)LOWORD(SendMessage((HWND) GetClientWindow()->GetHWND(), WM_MDIGETACTIVE, 0, 0L));
 343   HWND hWnd = (HWND)SendMessage((HWND) GetClientWindow()->GetHWND(), WM_MDIGETACTIVE, 0, 0L);
 344   if (hWnd == 0)
 345     return NULL;
 346   else
 347     return (wxMDIChildFrame *)wxFindWinFromHandle((WXHWND) hWnd);
 348 }
 349
 350 // Create the client window class (don't Create the window,
 351 // just return a new class)
 352 wxMDIClientWindow *wxMDIParentFrame::OnCreateClient(void)
 353 {
 354         return new wxMDIClientWindow ;
 355 }
 356
 357 // Responds to colour changes, and passes event on to children.
 358 void wxMDIParentFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 359 {
 360     if ( m_clientWindow )
 361     {
 362         m_clientWindow->SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
 363         m_clientWindow->Refresh();
 364     }
 365 /*
 366     if ( m_frameToolBar )
 367     {
 368         wxSysColourChangedEvent event2;
 369         event2.eventObject = m_frameToolBar;
 370         m_frameToolBar->GetEventHandler()->ProcessEvent(event2);
 371     }
 372 */
 373
 374     // Propagate the event to the non-top-level children
 375     wxFrame::OnSysColourChanged(event);
 376 }
 377
 378 // MDI operations
 379 void wxMDIParentFrame::Cascade(void)
 380 {
 381     ::SendMessage( (HWND) GetClientWindow()->GetHWND(), WM_MDICASCADE, 0, 0);
 382 }
 383
 384 void wxMDIParentFrame::Tile(void)
 385 {
 386     ::SendMessage( (HWND) GetClientWindow()->GetHWND(), WM_MDITILE, MDITILE_HORIZONTAL, 0);
 387 }
 388
 389 void wxMDIParentFrame::ArrangeIcons(void)
 390 {
 391     ::SendMessage( (HWND) GetClientWindow()->GetHWND(), WM_MDIICONARRANGE, 0, 0);
 392 }
 393
 394 void wxMDIParentFrame::ActivateNext(void)
 395 {
 396     ::SendMessage( (HWND) GetClientWindow()->GetHWND(), WM_MDINEXT, 0, 0);
 397 }
 398
 399 void wxMDIParentFrame::ActivatePrevious(void)
 400 {
 401     ::SendMessage( (HWND) GetClientWindow()->GetHWND(), WM_MDINEXT, 0, 1);
 402 }
 403
 404
 405 /*
 406 // Returns a style for the client window - usually 0
 407 // or, for example, wxHSCROLL | wxVSCROLL
 408 long wxMDIParentFrame::GetClientStyle(void) const
 409 {
 410         return wxHSCROLL | wxVSCROLL ;
 411 }
 412 */
 413
 414 bool wxMDIParentFrame::MSWOnDestroy(void)
 415 {
 416   return FALSE;
 417 }
 418
 419 void wxMDIParentFrame::MSWOnCreate(WXLPCREATESTRUCT WXUNUSED(cs))
 420 {
 421         m_clientWindow = OnCreateClient();
 422         // Uses own style for client style
 423         m_clientWindow->CreateClient(this, GetWindowStyleFlag());
 424 }
 425
 426 void wxMDIParentFrame::MSWOnSize(int x, int y, WXUINT id)
 427 {
 428   switch (id)
 429   {
 430     case SIZEFULLSCREEN:
 431     case SIZENORMAL:
 432       m_iconized = FALSE;
 433     break;
 434     case SIZEICONIC:
 435       m_iconized = TRUE;
 436     break;
 437   }
 438
 439  if (!m_iconized)
 440  {
 441   // forward WM_SIZE to status bar control
 442 #if wxUSE_NATIVE_STATUSBAR
 443   if (m_frameStatusBar && m_frameStatusBar->IsKindOf(CLASSINFO(wxStatusBar95)))
 444   {
 445     wxSizeEvent event(wxSize(x, y), m_frameStatusBar->GetId());
 446     event.SetEventObject( m_frameStatusBar );
 447
 448     ((wxStatusBar95 *)m_frameStatusBar)->OnSize(event);
 449   }
 450 #endif
 451
 452         PositionStatusBar();
 453     PositionToolBar();
 454
 455     wxSizeEvent event(wxSize(x, y), m_windowId);
 456     event.SetEventObject( this );
 457     if (!GetEventHandler()->ProcessEvent(event))
 458         Default();
 459   }
 460 }
 461
 462 bool wxMDIParentFrame::MSWOnActivate(int state, bool minimized, WXHWND activate)
 463 {
 464         wxWindow::MSWOnActivate(state, minimized, activate);
 465
 466     // If this window is an MDI parent, we must also send an OnActivate message
 467     // to the current child.
 468     if ((m_currentChild != NULL) && ((state == WA_ACTIVE) || (state == WA_CLICKACTIVE)))
 469         {
 470         wxActivateEvent event(wxEVT_ACTIVATE, TRUE, m_currentChild->GetId());
 471         event.SetEventObject( m_currentChild );
 472         m_currentChild->GetEventHandler()->ProcessEvent(event);
 473     }
 474     return 0;
 475 }
 476
 477 bool wxMDIParentFrame::MSWOnCommand(WXWORD id, WXWORD cmd, WXHWND control)
 478 {
 479 //  if (cmd == 0) // Why did I do this test?
 480   {
 481     // In case it's e.g. a toolbar.
 482     wxWindow *win = wxFindWinFromHandle(control);
 483     if (win)
 484       return win->MSWCommand(cmd, id);
 485
 486 /*
 487     if (wxCurrentPopupMenu)
 488     {
 489         wxMenu *popupMenu = wxCurrentPopupMenu;
 490         wxCurrentPopupMenu = NULL;
 491         if (!popupMenu->MSWCommand(cmd, id))
 492             return TRUE;
 493     }
 494 */
 495
 496     switch (id)
 497     {
 498       case IDM_WINDOWCASCADE:
 499         SendMessage((HWND) GetClientWindow()->GetHWND(), WM_MDICASCADE, MDITILE_SKIPDISABLED, 0);
 500         return TRUE;
 501       case IDM_WINDOWTILE:
 502         SendMessage((HWND) GetClientWindow()->GetHWND(), WM_MDITILE, MDITILE_HORIZONTAL, 0);
 503         return TRUE;
 504       case IDM_WINDOWICONS:
 505         SendMessage((HWND) GetClientWindow()->GetHWND(), WM_MDIICONARRANGE, 0, 0);
 506         return TRUE;
 507       case IDM_WINDOWNEXT:
 508         SendMessage((HWND) GetClientWindow()->GetHWND(), WM_MDINEXT, 0, 0);
 509         return TRUE;
 510       default:
 511         break;
 512      }
 513     if (id >= 0xF000)
 514     {
 515       return FALSE; // Get WndProc to call default proc
 516     }
 517
 518     if (m_parentFrameActive && (id < wxFIRST_MDI_CHILD || id > wxLAST_MDI_CHILD))
 519     {
 520       ProcessCommand(id);
 521       return TRUE;
 522     }
 523     else if (m_currentChild && (id < wxFIRST_MDI_CHILD || id > wxLAST_MDI_CHILD))
 524     {
 525       return m_currentChild->MSWOnCommand(id, cmd, control);
 526     }
 527   }
 528   if (id >= wxFIRST_MDI_CHILD && id <= wxLAST_MDI_CHILD)
 529   {
 530     wxNode* node = GetChildren().First();
 531     while (node)
 532     {
 533         wxWindow* child = (wxWindow*) node->Data();
 534         if (child->GetHWND())
 535         {
 536 #ifdef __WIN32__
 537             long childId = GetWindowLong((HWND) child->GetHWND(), GWL_ID);
 538 #else
 539             long childId = GetWindowWord((HWND) child->GetHWND(), GWW_ID);
 540 #endif
 541             if (childId == id)
 542             {
 543                 ::SendMessage( (HWND) GetClientWindow()->GetHWND(), WM_MDIACTIVATE, (WPARAM) (HWND) child->GetHWND(), 0);
 544                 return TRUE;
 545             }
 546         }
 547         node = node->Next();
 548     }
 549 /*
 550     wxWindow* child = FindItem(id);
 551     if (child)
 552     {
 553         ::SendMessage( (HWND) GetClientWindow()->GetHWND(), WM_MDIACTIVATE, (WPARAM) (HWND) child->GetHWND(), 0);
 554         return TRUE;
 555     }
 556 */
 557   }
 558
 559   return FALSE;
 560 }
 561
 562 void wxMDIParentFrame::MSWOnMenuHighlight(WXWORD nItem, WXWORD nFlags, WXHMENU hSysMenu)
 563 {
 564   if (m_parentFrameActive)
 565   {
 566     if (nFlags == 0xFFFF && hSysMenu == (WXHMENU) NULL)
 567     {
 568         wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, -1);
 569         event.SetEventObject( this );
 570         GetEventHandler()->ProcessEvent(event);
 571     }
 572     else if (nFlags != MF_SEPARATOR)
 573     {
 574         wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, nItem);
 575         event.SetEventObject( this );
 576         GetEventHandler()->ProcessEvent(event);
 577     }
 578   }
 579   else if (m_currentChild)
 580   {
 581     m_currentChild->MSWOnMenuHighlight(nItem, nFlags, hSysMenu);
 582   }
 583 }
 584
 585 long wxMDIParentFrame::MSWDefWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 586 {
 587         WXHWND clientWnd;
 588         if ( GetClientWindow() )
 589             clientWnd = GetClientWindow()->GetHWND();
 590         else
 591                 clientWnd = 0;
 592
 593   return DefFrameProc((HWND) GetHWND(), (HWND) clientWnd, message, wParam, lParam);
 594 }
 595
 596 bool wxMDIParentFrame::MSWProcessMessage(WXMSG* msg)
 597 {
 598   if ((m_currentChild != (wxWindow *)NULL) && (m_currentChild->GetHWND() != (WXHWND) NULL) && m_currentChild->MSWProcessMessage(msg))
 599      return TRUE;
 600
 601   return FALSE;
 602 }
 603
 604 bool wxMDIParentFrame::MSWTranslateMessage(WXMSG* msg)
 605 {
 606   MSG *pMsg = (MSG *)msg;
 607
 608   if ((m_currentChild != (wxWindow *)NULL) && (m_currentChild->GetHWND() != (WXHWND) NULL) && m_currentChild->MSWTranslateMessage(msg))
 609      return TRUE;
 610
 611   if (m_acceleratorTable.Ok() &&
 612           ::TranslateAccelerator((HWND) GetHWND(), (HACCEL) m_acceleratorTable.GetHACCEL(), pMsg))
 613     return TRUE;
 614
 615   if (pMsg->message == WM_KEYDOWN || pMsg->message == WM_SYSKEYDOWN)
 616   {
 617     if (::TranslateMDISysAccel((HWND) GetClientWindow()->GetHWND(), pMsg))
 618       return TRUE;
 619   }
 620
 621   return FALSE;
 622 }
 623
 624
 625 bool wxMDIParentFrame::MSWOnEraseBkgnd(WXHDC WXUNUSED(pDC))
 626 {
 627   return TRUE;
 628 }
 629
 630 extern wxWindow *wxWndHook;
 631 extern wxList *wxWinHandleList;
 632
 633 wxMDIChildFrame::wxMDIChildFrame(void)
 634 {
 635 //      m_active = FALSE;
 636 }
 637
 638 bool wxMDIChildFrame::Create(wxMDIParentFrame *parent,
 639            wxWindowID id,
 640            const wxString& title,
 641            const wxPoint& pos,
 642            const wxSize& size,
 643            long style,
 644            const wxString& name)
 645 {
 646   m_defaultIcon = (WXHICON) (wxSTD_MDICHILDFRAME_ICON ? wxSTD_MDICHILDFRAME_ICON : wxDEFAULT_MDICHILDFRAME_ICON);
 647
 648   SetName(name);
 649
 650   if ( id > -1 )
 651     m_windowId = id;
 652   else
 653     m_windowId = (int)NewControlId();
 654
 655   if (parent) parent->AddChild(this);
 656
 657   wxWndHook = this;
 658
 659   int x = pos.x;
 660   int y = pos.y;
 661   int width = size.x;
 662   int height = size.y;
 663
 664   MDICREATESTRUCT mcs;
 665
 666   mcs.szClass = wxMDIChildFrameClassName;
 667   mcs.szTitle = title;
 668   mcs.hOwner = wxGetInstance();
 669   if (x > -1) mcs.x = x;
 670   else mcs.x = CW_USEDEFAULT;
 671
 672   if (y > -1) mcs.y = y;
 673   else mcs.y = CW_USEDEFAULT;
 674
 675   if (width > -1) mcs.cx = width;
 676   else mcs.cx = CW_USEDEFAULT;
 677
 678   if (height > -1) mcs.cy = height;
 679   else mcs.cy = CW_USEDEFAULT;
 680
 681   DWORD msflags = WS_OVERLAPPED | WS_CLIPCHILDREN ;
 682   if (style & wxMINIMIZE_BOX)
 683     msflags |= WS_MINIMIZEBOX;
 684   if (style & wxMAXIMIZE_BOX)
 685     msflags |= WS_MAXIMIZEBOX;
 686   if (style & wxTHICK_FRAME)
 687     msflags |= WS_THICKFRAME;
 688   if (style & wxSYSTEM_MENU)
 689     msflags |= WS_SYSMENU;
 690   if ((style & wxMINIMIZE) || (style & wxICONIZE))
 691     msflags |= WS_MINIMIZE;
 692   if (style & wxMAXIMIZE)
 693     msflags |= WS_MAXIMIZE;
 694   if (style & wxCAPTION)
 695     msflags |= WS_CAPTION;
 696
 697   mcs.style = msflags;
 698
 699   mcs.lParam = 0;
 700
 701   DWORD Return = SendMessage((HWND) parent->GetClientWindow()->GetHWND(),
 702                 WM_MDICREATE, 0, (LONG)(LPSTR)&mcs);
 703
 704   //handle = (HWND)LOWORD(Return);
 705   // Must be the DWORRD for WIN32. And in 16 bits, HIWORD=0 (says Microsoft)
 706   m_hWnd = (WXHWND)Return;
 707
 708   // This gets reassigned so can't be stored
 709 //  m_windowId = GetWindowLong((HWND) m_hWnd, GWL_ID);
 710
 711   wxWndHook = NULL;
 712   wxWinHandleList->Append((long)GetHWND(), this);
 713
 714   SetWindowLong((HWND) GetHWND(), 0, (long)this);
 715
 716   wxModelessWindows.Append(this);
 717   return TRUE;
 718 }
 719
 720 wxMDIChildFrame::~wxMDIChildFrame(void)
 721 {
 722         MSWDestroyWindow();
 723
 724     ResetWindowStyle(NULL);
 725 }
 726
 727 // Set the client size (i.e. leave the calculation of borders etc.
 728 // to wxWindows)
 729 void wxMDIChildFrame::SetClientSize(int width, int height)
 730 {
 731   HWND hWnd = (HWND) GetHWND();
 732
 733   RECT rect;
 734   GetClientRect(hWnd, &rect);
 735
 736   RECT rect2;
 737   GetWindowRect(hWnd, &rect2);
 738
 739   // Find the difference between the entire window (title bar and all)
 740   // and the client area; add this to the new client size to move the
 741   // window
 742   int actual_width = rect2.right - rect2.left - rect.right + width;
 743   int actual_height = rect2.bottom - rect2.top - rect.bottom + height;
 744
 745   if (GetStatusBar())
 746   {
 747         int sx, sy;
 748         GetStatusBar()->GetSize(&sx, &sy);
 749     actual_height += sy;
 750   }
 751
 752   POINT point;
 753   point.x = rect2.left;
 754   point.y = rect2.top;
 755
 756   // If there's an MDI parent, must subtract the parent's top left corner
 757   // since MoveWindow moves relative to the parent
 758   wxMDIParentFrame *mdiParent = (wxMDIParentFrame *)GetParent();
 759   ::ScreenToClient((HWND) mdiParent->GetClientWindow()->GetHWND(), &point);
 760
 761   MoveWindow(hWnd, point.x, point.y, actual_width, actual_height, (BOOL)TRUE);
 762
 763   wxSizeEvent event(wxSize(width, height), m_windowId);
 764   event.SetEventObject( this );
 765   GetEventHandler()->ProcessEvent(event);
 766 }
 767
 768 void wxMDIChildFrame::GetPosition(int *x, int *y) const
 769 {
 770   RECT rect;
 771   GetWindowRect((HWND) GetHWND(), &rect);
 772   POINT point;
 773   point.x = rect.left;
 774   point.y = rect.top;
 775
 776   // Since we now have the absolute screen coords,
 777   // if there's a parent we must subtract its top left corner
 778   wxMDIParentFrame *mdiParent = (wxMDIParentFrame *)GetParent();
 779   ::ScreenToClient((HWND) mdiParent->GetClientWindow()->GetHWND(), &point);
 780
 781   *x = point.x;
 782   *y = point.y;
 783 }
 784
 785 void wxMDIChildFrame::SetMenuBar(wxMenuBar *menu_bar)
 786 {
 787   if (!menu_bar)
 788   {
 789     m_frameMenuBar = NULL;
 790     return;
 791   }
 792
 793   if (menu_bar->m_menuBarFrame)
 794          return;
 795
 796   int i;
 797   HMENU menu = CreateMenu();
 798
 799   for (i = 0; i < menu_bar->m_menuCount; i ++)
 800   {
 801     HMENU popup = (HMENU)menu_bar->m_menus[i]->m_hMenu;
 802     //
 803     // After looking Bounds Checker result, it seems that all
 804     // menus must be individually destroyed. So, don't reset m_hMenu,
 805     // to  allow ~wxMenu to do the job.
 806     //
 807     menu_bar->m_menus[i]->m_savehMenu = (WXHMENU) popup;
 808     // Uncommenting for the moment... JACS
 809     menu_bar->m_menus[i]->m_hMenu = 0;
 810     ::AppendMenu((HMENU) menu, MF_POPUP | MF_STRING, (UINT)popup, menu_bar->m_titles[i]);
 811   }
 812
 813   menu_bar->m_hMenu = (WXHMENU)menu;
 814   if (m_frameMenuBar)
 815     delete m_frameMenuBar;
 816
 817   this->m_hMenu = (WXHMENU) menu;
 818
 819    wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent();
 820
 821    parent->m_parentFrameActive = FALSE;
 822    HMENU subMenu = GetSubMenu((HMENU) parent->GetWindowMenu(), 0);
 823
 824    // Try to insert Window menu in front of Help, otherwise append it.
 825    int N = GetMenuItemCount(menu);
 826    bool success = FALSE;
 827    for (i = 0; i < N; i++)
 828    {
 829         char buf[100];
 830         int chars = GetMenuString(menu, i, buf, 100, MF_BYPOSITION);
 831         if ((chars > 0) && (strcmp(buf, "&Help") == 0 ||
 832                             strcmp(buf, "Help") == 0))
 833         {
 834            success = TRUE;
 835            InsertMenu(menu, i, MF_BYPOSITION | MF_POPUP | MF_STRING,
 836                       (UINT)subMenu, "&Window");
 837            break;
 838         }
 839       }
 840   if (!success)
 841     AppendMenu(menu, MF_POPUP,
 842                          (UINT)subMenu,
 843                          "&Window");
 844 #ifdef __WIN32__
 845   SendMessage((HWND) parent->GetClientWindow()->GetHWND(), WM_MDISETMENU,
 846                   (WPARAM)menu,
 847                   (LPARAM)subMenu);
 848 #else
 849   SendMessage((HWND) parent->GetClientWindow()->GetHWND(), WM_MDISETMENU, 0,
 850                   MAKELPARAM(menu, subMenu));
 851 #endif
 852
 853   DrawMenuBar((HWND) parent->GetHWND());
 854   m_frameMenuBar = menu_bar;
 855   menu_bar->m_menuBarFrame = this;
 856 }
 857
 858 // MDI operations
 859 void wxMDIChildFrame::Maximize(void)
 860 {
 861     wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent();
 862     if ( parent && parent->GetClientWindow() )
 863         ::SendMessage( (HWND) parent->GetClientWindow()->GetHWND(), WM_MDIMAXIMIZE, (WPARAM) (HWND) GetHWND(), 0);
 864 }
 865
 866 void wxMDIChildFrame::Restore(void)
 867 {
 868     wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent();
 869     if ( parent && parent->GetClientWindow() )
 870         ::SendMessage( (HWND) parent->GetClientWindow()->GetHWND(), WM_MDIRESTORE, (WPARAM) (HWND) GetHWND(), 0);
 871 }
 872
 873 void wxMDIChildFrame::Activate(void)
 874 {
 875     wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent();
 876     if ( parent && parent->GetClientWindow() )
 877         ::SendMessage( (HWND) parent->GetClientWindow()->GetHWND(), WM_MDIACTIVATE, (WPARAM) (HWND) GetHWND(), 0);
 878 }
 879
 880 static HWND invalidHandle = 0;
 881 void wxMDIChildFrame::MSWOnSize(int x, int y, WXUINT id)
 882 {
 883   if (!GetHWND()) return;
 884
 885   if (invalidHandle == (HWND) GetHWND())
 886   {
 887     return;
 888   }
 889
 890   (void)MSWDefWindowProc(m_lastMsg, m_lastWParam, m_lastLParam);
 891
 892   switch (id)
 893   {
 894     case SIZEFULLSCREEN:
 895     case SIZENORMAL:
 896       m_iconized = FALSE;
 897     break;
 898     case SIZEICONIC:
 899       m_iconized = TRUE;
 900     break;
 901   }
 902
 903   if (!m_iconized)
 904   {
 905     // forward WM_SIZE to status bar control
 906 #if wxUSE_NATIVE_STATUSBAR
 907     if (m_frameStatusBar && m_frameStatusBar->IsKindOf(CLASSINFO(wxStatusBar95)))
 908     {
 909       wxSizeEvent event(wxSize(x, y), m_frameStatusBar->GetId());
 910       event.SetEventObject( m_frameStatusBar );
 911
 912       ((wxStatusBar95 *)m_frameStatusBar)->OnSize(event);
 913     }
 914 #endif
 915
 916     PositionStatusBar();
 917     PositionToolBar();
 918
 919     wxWindow::MSWOnSize(x, y, id);
 920   }
 921 }
 922
 923 bool wxMDIChildFrame::MSWOnCommand(WXWORD id, WXWORD cmd, WXHWND control)
 924 {
 925 //  if ((cmd == 0) && GetHWND())
 926   if (GetHWND())
 927   {
 928     // In case it's e.g. a toolbar.
 929     wxWindow *win = wxFindWinFromHandle(control);
 930     if (win)
 931       return win->MSWCommand(cmd, id);
 932
 933     if (wxCurrentPopupMenu)
 934     {
 935         wxMenu *popupMenu = wxCurrentPopupMenu;
 936         wxCurrentPopupMenu = NULL;
 937         if (popupMenu->MSWCommand(cmd, id))
 938             return TRUE;
 939     }
 940
 941     if (GetMenuBar() && GetMenuBar()->FindItemForId(id))
 942     {
 943       ProcessCommand(id);
 944       return TRUE;
 945     }
 946     else
 947       return FALSE;
 948     return TRUE;
 949   }
 950   else
 951     return FALSE;
 952 }
 953
 954 long wxMDIChildFrame::MSWDefWindowProc(WXUINT message, WXUINT wParam, WXLPARAM lParam)
 955 {
 956   if (GetHWND())
 957     return DefMDIChildProc((HWND) GetHWND(), (UINT) message, (WPARAM) wParam, (LPARAM) lParam);
 958   else return 0;
 959 }
 960
 961 bool wxMDIChildFrame::MSWProcessMessage(WXMSG *msg)
 962 {
 963   return FALSE;
 964 }
 965
 966 bool wxMDIChildFrame::MSWTranslateMessage(WXMSG* msg)
 967 {
 968   MSG *pMsg = (MSG *)msg;
 969   if (m_acceleratorTable.Ok())
 970   {
 971     wxFrame *parent = (wxFrame *)GetParent();
 972     HWND parent_hwnd = (HWND) parent->GetHWND();
 973     return (::TranslateAccelerator(parent_hwnd, (HACCEL) m_acceleratorTable.GetHACCEL(), pMsg) != 0);
 974   }
 975
 976   return FALSE;
 977 }
 978
 979 long wxMDIChildFrame::MSWOnMDIActivate(long activate, WXHWND WXUNUSED(one), WXHWND WXUNUSED(two))
 980 {
 981   wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent();
 982   HMENU parent_menu = (HMENU) parent->GetWinMenu();
 983   HMENU child_menu = (HMENU) GetWinMenu();
 984
 985   if (activate)
 986   {
 987 //    m_active = TRUE;
 988     parent->m_currentChild = this;
 989     if (child_menu)
 990     {
 991       parent->m_parentFrameActive = FALSE;
 992       HMENU subMenu = GetSubMenu((HMENU) parent->GetWindowMenu(), 0);
 993 #ifdef __WIN32__
 994       ::SendMessage((HWND) parent->GetClientWindow()->GetHWND(), WM_MDISETMENU,
 995                     (WPARAM)child_menu,
 996                     (LPARAM)subMenu);
 997 #else
 998       ::SendMessage((HWND) parent->GetClientWindow()->GetHWND(), WM_MDISETMENU, 0,
 999                   MAKELONG(child_menu, subMenu));
1000 #endif
1001
1002       ::DrawMenuBar((HWND) parent->GetHWND());
1003     }
1004     wxActivateEvent event(wxEVT_ACTIVATE, TRUE, m_windowId);
1005     event.SetEventObject( this );
1006     GetEventHandler()->ProcessEvent(event);
1007   }
1008   else
1009   {
1010     if (parent->m_currentChild == this)
1011       parent->m_currentChild = NULL;
1012
1013     wxActivateEvent event(wxEVT_ACTIVATE, FALSE, m_windowId);
1014     event.SetEventObject( this );
1015     GetEventHandler()->ProcessEvent(event);
1016
1017 //    m_active = FALSE;
1018     if (parent_menu)
1019     {
1020       parent->m_parentFrameActive = TRUE;
1021       HMENU subMenu = GetSubMenu((HMENU) parent->GetWindowMenu(), 0);
1022 #ifdef __WIN32__
1023       ::SendMessage((HWND) parent->GetClientWindow()->GetHWND(), WM_MDISETMENU,
1024                     (WPARAM)parent_menu,
1025                     (LPARAM)subMenu);
1026 #else
1027       ::SendMessage((HWND) parent->GetClientWindow()->GetHWND(), WM_MDISETMENU, 0,
1028                   MAKELONG(parent_menu, subMenu));
1029 #endif
1030
1031       ::DrawMenuBar((HWND) parent->GetHWND());
1032     }
1033   }
1034   bool flag = (activate != 0);
1035   wxActivateEvent event(wxEVT_ACTIVATE, flag, m_windowId);
1036   event.SetEventObject( this );
1037   GetEventHandler()->ProcessEvent(event);
1038   return 0;
1039 }
1040
1041 void wxMDIChildFrame::MSWDestroyWindow(void)
1042 {
1043   MSWDetachWindowMenu();
1044   invalidHandle = (HWND) GetHWND();
1045
1046   wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent();
1047
1048   // Must make sure this handle is invalidated (set to NULL)
1049   // since all sorts of things could happen after the
1050   // child client is destroyed, but before the wxFrame is
1051   // destroyed.
1052
1053   HWND oldHandle = (HWND)GetHWND();
1054 #ifdef __WIN32__
1055   SendMessage((HWND) parent->GetClientWindow()->GetHWND(), WM_MDIDESTROY, (WPARAM)oldHandle, (LPARAM)0);
1056 #else
1057   SendMessage((HWND) parent->GetClientWindow()->GetHWND(), WM_MDIDESTROY, (HWND)oldHandle, 0);
1058 #endif
1059   invalidHandle = 0;
1060
1061   if (m_hMenu)
1062   {
1063     ::DestroyMenu((HMENU) m_hMenu);
1064     m_hMenu = 0;
1065   }
1066   m_hWnd = 0;
1067 }
1068
1069 // Change the client window's extended style so we don't
1070 // get a client edge style when a child is maximised (a double
1071 // border looks silly.)
1072 bool wxMDIChildFrame::ResetWindowStyle(void *vrect)
1073 {
1074 #if defined(__WIN95__)
1075     RECT *rect = (RECT *)vrect;
1076         wxMDIParentFrame* pFrameWnd = (wxMDIParentFrame *)GetParent();
1077         wxMDIChildFrame* pChild = pFrameWnd->GetActiveChild();
1078         if (!pChild || (pChild == this))
1079         {
1080                 DWORD dwStyle = ::GetWindowLong((HWND) pFrameWnd->GetClientWindow()->GetHWND(), GWL_EXSTYLE);
1081         DWORD dwThisStyle = ::GetWindowLong((HWND) GetHWND(), GWL_STYLE);
1082                 DWORD dwNewStyle = dwStyle;
1083                 if (pChild != NULL && (dwThisStyle & WS_MAXIMIZE))
1084                         dwNewStyle &= ~(WS_EX_CLIENTEDGE);
1085                 else
1086                         dwNewStyle |= WS_EX_CLIENTEDGE;
1087
1088                 if (dwStyle != dwNewStyle)
1089                 {
1090                         ::RedrawWindow((HWND) pFrameWnd->GetClientWindow()->GetHWND(), NULL, NULL, RDW_INVALIDATE | RDW_ALLCHILDREN);
1091                         ::SetWindowLong((HWND) pFrameWnd->GetClientWindow()->GetHWND(), GWL_EXSTYLE, dwNewStyle);
1092                         ::SetWindowPos((HWND) pFrameWnd->GetClientWindow()->GetHWND(), NULL, 0, 0, 0, 0,
1093                                 SWP_FRAMECHANGED | SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_NOCOPYBITS);
1094                         if (rect)
1095                                 ::GetClientRect((HWND) pFrameWnd->GetClientWindow()->GetHWND(), rect);
1096                         return TRUE;
1097                 }
1098         }
1099         return FALSE;
1100 #else
1101     return FALSE;
1102 #endif
1103 }
1104
1105 void wxMDIChildFrame::MSWOnWindowPosChanging(void *pos)
1106 {
1107     WINDOWPOS *lpPos = (WINDOWPOS *)pos;
1108 #if defined(__WIN95__)
1109     if (!(lpPos->flags & SWP_NOSIZE))
1110         {
1111                 RECT rectClient;
1112                 DWORD dwExStyle = ::GetWindowLong((HWND) GetHWND(), GWL_EXSTYLE);
1113         DWORD dwStyle = ::GetWindowLong((HWND) GetHWND(), GWL_STYLE);
1114                 if (ResetWindowStyle((void *) & rectClient) && (dwStyle & WS_MAXIMIZE))
1115                 {
1116                         ::AdjustWindowRectEx(&rectClient, dwStyle, FALSE, dwExStyle);
1117                         lpPos->x = rectClient.left;
1118             lpPos->y = rectClient.top;
1119                         lpPos->cx = rectClient.right - rectClient.left;
1120             lpPos->cy = rectClient.bottom - rectClient.top;
1121                 }
1122             wxMDIParentFrame* pFrameWnd = (wxMDIParentFrame *)GetParent();
1123         if (pFrameWnd && pFrameWnd->GetToolBar())
1124         {
1125             pFrameWnd->GetToolBar()->Refresh();
1126         }
1127         }
1128 #endif
1129     Default();
1130 }
1131
1132 // Client window
1133 wxMDIClientWindow::wxMDIClientWindow(void)
1134 {
1135     m_scrollX = 0;
1136     m_scrollY = 0;
1137 }
1138
1139 wxMDIClientWindow::~wxMDIClientWindow(void)
1140 {
1141 }
1142
1143 bool wxMDIClientWindow::CreateClient(wxMDIParentFrame *parent, long style)
1144 {
1145   m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE);
1146
1147   CLIENTCREATESTRUCT ccs;
1148   m_windowStyle = style;
1149   m_windowParent = parent;
1150
1151   ccs.hWindowMenu = (HMENU) parent->GetWindowMenu();
1152   ccs.idFirstChild = wxFIRST_MDI_CHILD;
1153
1154   DWORD msStyle = WS_VISIBLE | WS_CHILD | WS_CLIPCHILDREN ;
1155   if ( parent->GetWindowStyleFlag() & wxHSCROLL )
1156         msStyle |= WS_HSCROLL;
1157   if ( parent->GetWindowStyleFlag() & wxVSCROLL )
1158         msStyle |= WS_VSCROLL ;
1159
1160 #if defined(__WIN95__)
1161   DWORD exStyle = WS_EX_CLIENTEDGE;
1162 #else
1163   DWORD exStyle = 0;
1164 #endif
1165
1166   wxWndHook = this;
1167   m_hWnd = (WXHWND) ::CreateWindowEx(exStyle, "mdiclient", NULL,
1168                 msStyle, 0, 0, 0, 0, (HWND) parent->GetHWND(), NULL,
1169                 wxGetInstance(), (LPSTR)(LPCLIENTCREATESTRUCT)&ccs);
1170   SubclassWin(m_hWnd);
1171   wxWndHook = NULL;
1172
1173   return (m_hWnd != 0) ;
1174 }
1175
1176 // Window procedure: here for debugging purposes
1177 long wxMDIClientWindow::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
1178 {
1179     return wxWindow::MSWWindowProc(nMsg, wParam, lParam);
1180 //    return MSWDefWindowProc(nMsg, wParam, lParam);
1181 }
1182
1183 long wxMDIClientWindow::MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
1184 {
1185         if ( MSWGetOldWndProc() != 0)
1186                 return ::CallWindowProc(CASTWNDPROC MSWGetOldWndProc(), (HWND) GetHWND(), (UINT) nMsg, (WPARAM) wParam, (LPARAM) lParam);
1187         else
1188                 return ::DefWindowProc((HWND) m_hWnd, (UINT) nMsg, (WPARAM) wParam, (LPARAM) lParam);
1189 }
1190
1191 // Explicitly call default scroll behaviour
1192 void wxMDIClientWindow::OnScroll(wxScrollEvent& event)
1193 {
1194     // Note: for client windows, the scroll position is not set in
1195     // WM_HSCROLL, WM_VSCROLL, so we can't easily determine what
1196     // scroll position we're at.
1197     // This makes it hard to paint patterns or bitmaps in the background,
1198     // and have the client area scrollable as well.
1199
1200     if ( event.GetOrientation() == wxHORIZONTAL )
1201         m_scrollX = event.GetPosition(); // Always returns zero!
1202     else
1203         m_scrollY = event.GetPosition(); // Always returns zero!
1204
1205         Default();
1206 }
1207
1208 // Should hand the message to the default proc
1209 long wxMDIClientWindow::MSWOnMDIActivate(long bActivate, WXHWND, WXHWND)
1210 {
1211     return Default();
1212 }
1213