src/msw/frame.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        frame.cpp
   3 // Purpose:     wxFrame
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "frame.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/settings.h"
  31 #include "wx/dcclient.h"
  32 #endif
  33
  34 #include "wx/msw/private.h"
  35 #include "wx/statusbr.h"
  36 #include "wx/menuitem.h"
  37
  38 #ifdef LoadAccelerators
  39 #undef LoadAccelerators
  40 #endif
  41
  42 #if USE_NATIVE_STATUSBAR
  43 #include <wx/msw/statbr95.h>
  44 #endif
  45
  46 extern wxList wxModelessWindows;
  47 extern wxList wxPendingDelete;
  48 extern char wxFrameClassName[];
  49
  50 #if !USE_SHARED_LIBRARY
  51 BEGIN_EVENT_TABLE(wxFrame, wxWindow)
  52   EVT_SIZE(wxFrame::OnSize)
  53   EVT_ACTIVATE(wxFrame::OnActivate)
  54   EVT_MENU_HIGHLIGHT_ALL(wxFrame::OnMenuHighlight)
  55   EVT_SYS_COLOUR_CHANGED(wxFrame::OnSysColourChanged)
  56   EVT_IDLE(wxFrame::OnIdle)
  57   EVT_CLOSE(wxFrame::OnCloseWindow)
  58 END_EVENT_TABLE()
  59
  60 IMPLEMENT_DYNAMIC_CLASS(wxFrame, wxWindow)
  61 #endif
  62
  63 #if USE_NATIVE_STATUSBAR
  64 bool wxFrame::m_useNativeStatusBar = TRUE;
  65 #else
  66 bool wxFrame::m_useNativeStatusBar = FALSE;
  67 #endif
  68
  69 wxFrame::wxFrame(void)
  70 {
  71   m_frameMenuBar = NULL;
  72   m_frameStatusBar = NULL;
  73
  74   m_windowParent = NULL;
  75   m_iconized = FALSE;
  76 }
  77
  78 bool wxFrame::Create(wxWindow *parent,
  79            wxWindowID id,
  80            const wxString& title,
  81            const wxPoint& pos,
  82            const wxSize& size,
  83            long style,
  84            const wxString& name)
  85 {
  86   if (!parent)
  87     wxTopLevelWindows.Append(this);
  88
  89   SetName(name);
  90 //  m_modalShowing = FALSE;
  91   m_windowStyle = style;
  92   m_frameMenuBar = NULL;
  93   m_frameStatusBar = NULL;
  94
  95   SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
  96
  97 //  m_icon = NULL;
  98   if ( id > -1 )
  99     m_windowId = id;
 100   else
 101     m_windowId = (int)NewControlId();
 102
 103   if (parent) parent->AddChild(this);
 104
 105   int x = pos.x;
 106   int y = pos.y;
 107   int width = size.x;
 108   int height = size.y;
 109
 110   m_iconized = FALSE;
 111   MSWCreate(m_windowId, (wxWindow *)parent, wxFrameClassName, this, (char *)(const char *)title,
 112                    x, y, width, height, style);
 113
 114   wxModelessWindows.Append(this);
 115   return TRUE;
 116 }
 117
 118 wxFrame::~wxFrame(void)
 119 {
 120   m_isBeingDeleted = TRUE;
 121   wxTopLevelWindows.DeleteObject(this);
 122
 123   if (m_frameStatusBar)
 124     delete m_frameStatusBar;
 125   if (m_frameMenuBar)
 126     delete m_frameMenuBar;
 127
 128 /* New behaviour March 1998: check if it's the last top-level window */
 129 //  if (wxTheApp && (this == wxTheApp->GetTopWindow()))
 130
 131   if (wxTheApp && (wxTopLevelWindows.Number() == 0))
 132   {
 133     wxTheApp->SetTopWindow(NULL);
 134
 135     if (wxTheApp->GetExitOnFrameDelete())
 136     {
 137        PostQuitMessage(0);
 138     }
 139   }
 140
 141   wxModelessWindows.DeleteObject(this);
 142
 143   // For some reason, wxWindows can activate another task altogether
 144   // when a frame is destroyed after a modal dialog has been invoked.
 145   // Try to bring the parent to the top.
 146   if (GetParent() && GetParent()->GetHWND())
 147     ::BringWindowToTop((HWND) GetParent()->GetHWND());
 148 }
 149
 150 WXHMENU wxFrame::GetWinMenu(void) const
 151 {
 152   return m_hMenu;
 153 }
 154
 155 // Get size *available for subwindows* i.e. excluding menu bar etc.
 156 // For XView, this is the same as GetSize
 157 void wxFrame::GetClientSize(int *x, int *y) const
 158 {
 159   RECT rect;
 160   GetClientRect((HWND) GetHWND(), &rect);
 161
 162   if ( m_frameStatusBar )
 163   {
 164   int statusX, statusY;
 165   m_frameStatusBar->GetClientSize(&statusX, &statusY);
 166   rect.bottom -= statusY;
 167   }
 168   *x = rect.right;
 169   *y = rect.bottom;
 170 }
 171
 172 // Set the client size (i.e. leave the calculation of borders etc.
 173 // to wxWindows)
 174 void wxFrame::SetClientSize(int width, int height)
 175 {
 176   HWND hWnd = (HWND) GetHWND();
 177
 178   RECT rect;
 179   GetClientRect(hWnd, &rect);
 180
 181   RECT rect2;
 182   GetWindowRect(hWnd, &rect2);
 183
 184   // Find the difference between the entire window (title bar and all)
 185   // and the client area; add this to the new client size to move the
 186   // window
 187   int actual_width = rect2.right - rect2.left - rect.right + width;
 188   int actual_height = rect2.bottom - rect2.top - rect.bottom + height;
 189
 190   if ( m_frameStatusBar )
 191   {
 192   int statusX, statusY;
 193   m_frameStatusBar->GetClientSize(&statusX, &statusY);
 194   actual_height += statusY;
 195   }
 196
 197   POINT point;
 198   point.x = rect2.left;
 199   point.y = rect2.top;
 200
 201   MoveWindow(hWnd, point.x, point.y, actual_width, actual_height, (BOOL)TRUE);
 202
 203   wxSizeEvent event(wxSize(width, height), m_windowId);
 204   event.SetEventObject( this );
 205   GetEventHandler()->ProcessEvent(event);
 206 }
 207
 208 void wxFrame::GetSize(int *width, int *height) const
 209 {
 210   RECT rect;
 211   GetWindowRect((HWND) GetHWND(), &rect);
 212   *width = rect.right - rect.left;
 213   *height = rect.bottom - rect.top;
 214 }
 215
 216 void wxFrame::GetPosition(int *x, int *y) const
 217 {
 218   RECT rect;
 219   GetWindowRect((HWND) GetHWND(), &rect);
 220   POINT point;
 221   point.x = rect.left;
 222   point.y = rect.top;
 223
 224   *x = point.x;
 225   *y = point.y;
 226 }
 227
 228 void wxFrame::SetSize(int x, int y, int width, int height, int sizeFlags)
 229 {
 230   int currentX, currentY;
 231   int x1 = x;
 232   int y1 = y;
 233   int w1 = width;
 234   int h1 = height;
 235
 236   GetPosition(&currentX, &currentY);
 237   if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 238     x1 = currentX;
 239   if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 240     y1 = currentY;
 241
 242   int ww,hh ;
 243   GetSize(&ww,&hh) ;
 244   if (width == -1) w1 = ww ;
 245   if (height==-1) h1 = hh ;
 246
 247   MoveWindow((HWND) GetHWND(), x1, y1, w1, h1, (BOOL)TRUE);
 248
 249   wxSizeEvent event(wxSize(width, height), m_windowId);
 250   event.SetEventObject( this );
 251   GetEventHandler()->ProcessEvent(event);
 252 }
 253
 254 bool wxFrame::Show(bool show)
 255 {
 256   int cshow;
 257   if (show)
 258     cshow = SW_SHOW;
 259   else
 260     cshow = SW_HIDE;
 261
 262   if (!show)
 263   {
 264     // Try to highlight the correct window (the parent)
 265     HWND hWndParent = 0;
 266     if (GetParent())
 267     {
 268       hWndParent = (HWND) GetParent()->GetHWND();
 269       if (hWndParent)
 270         ::BringWindowToTop(hWndParent);
 271     }
 272   }
 273
 274   ShowWindow((HWND) GetHWND(), (BOOL)cshow);
 275   if (show)
 276   {
 277     BringWindowToTop((HWND) GetHWND());
 278
 279     wxActivateEvent event(wxEVT_ACTIVATE, TRUE, m_windowId);
 280     event.SetEventObject( this );
 281     GetEventHandler()->ProcessEvent(event);
 282   }
 283   return TRUE;
 284 }
 285
 286 void wxFrame::Iconize(bool iconize)
 287 {
 288   if (!iconize)
 289     Show(TRUE);
 290
 291   int cshow;
 292   if (iconize)
 293     cshow = SW_MINIMIZE;
 294   else
 295     cshow = SW_RESTORE;
 296   ShowWindow((HWND) GetHWND(), (BOOL)cshow);
 297   m_iconized = iconize;
 298 }
 299
 300 // Equivalent to maximize/restore in Windows
 301 void wxFrame::Maximize(bool maximize)
 302 {
 303   Show(TRUE);
 304   int cshow;
 305   if (maximize)
 306     cshow = SW_MAXIMIZE;
 307   else
 308     cshow = SW_RESTORE;
 309   ShowWindow((HWND) GetHWND(), cshow);
 310   m_iconized = FALSE;
 311 }
 312
 313 bool wxFrame::IsIconized(void) const
 314 {
 315   ((wxFrame *)this)->m_iconized = (::IsIconic((HWND) GetHWND()) != 0);
 316   return m_iconized;
 317 }
 318
 319 void wxFrame::SetTitle(const wxString& title)
 320 {
 321   SetWindowText((HWND) GetHWND(), (const char *)title);
 322 }
 323
 324 wxString wxFrame::GetTitle(void) const
 325 {
 326   GetWindowText((HWND) GetHWND(), wxBuffer, 1000);
 327   return wxString(wxBuffer);
 328 }
 329
 330 void wxFrame::SetIcon(const wxIcon& icon)
 331 {
 332   m_icon = icon;
 333 #if defined(__WIN95__)
 334   if ( m_icon.Ok() )
 335     SendMessage((HWND) GetHWND(), WM_SETICON,
 336                 (WPARAM)TRUE, (LPARAM)(HICON) m_icon.GetHICON());
 337 #endif
 338 }
 339
 340 wxStatusBar *wxFrame::OnCreateStatusBar(int number)
 341 {
 342     wxStatusBar *statusBar = NULL;
 343
 344 #if USE_NATIVE_STATUSBAR
 345     if (UsesNativeStatusBar())
 346     {
 347         statusBar = new wxStatusBar95(this);
 348     }
 349     else
 350 #endif
 351     {
 352         statusBar = new wxStatusBar(this, -1, wxPoint(0, 0), wxSize(100, 20));
 353
 354         // Set the height according to the font and the border size
 355         wxClientDC dc(statusBar);
 356         dc.SetFont(* statusBar->GetFont());
 357
 358         long x, y;
 359         dc.GetTextExtent("X", &x, &y);
 360
 361         int height = (int)( (y  * 1.1) + 2* statusBar->GetBorderY());
 362
 363         statusBar->SetSize(-1, -1, 100, height);
 364     }
 365
 366   statusBar->SetFieldsCount(number);
 367   return statusBar;
 368 }
 369
 370 bool wxFrame::CreateStatusBar(int number)
 371 {
 372   // VZ: calling CreateStatusBar twice is an error - why anyone would do it?
 373   wxCHECK_MSG( m_frameStatusBar == NULL, FALSE,
 374                "recreating status bar in wxFrame" );
 375
 376   m_frameStatusBar = OnCreateStatusBar(number);
 377   if ( m_frameStatusBar )
 378   {
 379     PositionStatusBar();
 380     return TRUE;
 381   }
 382   else
 383     return FALSE;
 384 }
 385
 386 void wxFrame::SetStatusText(const wxString& text, int number)
 387 {
 388   wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set text for" );
 389
 390   m_frameStatusBar->SetStatusText(text, number);
 391 }
 392
 393 void wxFrame::SetStatusWidths(int n, const int widths_field[])
 394 {
 395   wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set widths for" );
 396
 397   m_frameStatusBar->SetStatusWidths(n, widths_field);
 398   PositionStatusBar();
 399 }
 400
 401 void wxFrame::PositionStatusBar(void)
 402 {
 403   // native status bar positions itself
 404   if (m_frameStatusBar
 405 #if USE_NATIVE_STATUSBAR
 406    && !m_frameStatusBar->IsKindOf(CLASSINFO(wxStatusBar95))
 407 #endif
 408     )
 409   {
 410       int w, h;
 411       GetClientSize(&w, &h);
 412       int sw, sh;
 413       m_frameStatusBar->GetSize(&sw, &sh);
 414       m_frameStatusBar->SetSize(0, h, w, sh);
 415   }
 416 }
 417
 418 void wxFrame::SetMenuBar(wxMenuBar *menu_bar)
 419 {
 420   if (!menu_bar)
 421   {
 422     m_frameMenuBar = NULL;
 423     return;
 424   }
 425
 426   if (menu_bar->m_menuBarFrame)
 427    return;
 428
 429   int i;
 430   HMENU menu = CreateMenu();
 431
 432   for (i = 0; i < menu_bar->m_menuCount; i ++)
 433   {
 434     HMENU popup = (HMENU)menu_bar->m_menus[i]->m_hMenu;
 435     //
 436     // After looking Bounds Checker result, it seems that all
 437     // menus must be individually destroyed. So, don't reset m_hMenu,
 438     // to  allow ~wxMenu to do the job.
 439     //
 440     menu_bar->m_menus[i]->m_savehMenu = (WXHMENU) popup;
 441     // Uncommenting for the moment... JACS
 442     menu_bar->m_menus[i]->m_hMenu = 0;
 443     AppendMenu(menu, MF_POPUP | MF_STRING, (UINT)popup, menu_bar->m_titles[i]);
 444   }
 445
 446   menu_bar->m_hMenu = (WXHMENU)menu;
 447   if (m_frameMenuBar)
 448     delete m_frameMenuBar;
 449
 450   this->m_hMenu = (WXHMENU) menu;
 451
 452   DWORD err = 0;
 453   if (!SetMenu((HWND) GetHWND(), menu))
 454   {
 455 #ifdef __WIN32__
 456     err = GetLastError();
 457 #endif
 458   }
 459
 460   m_frameMenuBar = menu_bar;
 461   menu_bar->m_menuBarFrame = this;
 462 }
 463
 464 bool wxFrame::LoadAccelerators(const wxString& table)
 465 {
 466   m_acceleratorTable = (WXHANDLE)
 467 #ifdef __WIN32__
 468 #ifdef UNICODE
 469      ::LoadAcceleratorsW(wxGetInstance(), (const char *)table);
 470 #else
 471      ::LoadAcceleratorsA(wxGetInstance(), (const char *)table);
 472 #endif
 473 #else
 474      ::LoadAccelerators(wxGetInstance(), (const char *)table);
 475 #endif
 476
 477   // The above is necessary because LoadAccelerators is a macro
 478   // which we have undefed earlier in the file to avoid confusion
 479   // with wxFrame::LoadAccelerators. Ugh!
 480
 481   return (m_acceleratorTable != (WXHANDLE) NULL);
 482 }
 483
 484 void wxFrame::Fit(void)
 485 {
 486   // Work out max. size
 487   wxNode *node = GetChildren()->First();
 488   int max_width = 0;
 489   int max_height = 0;
 490   while (node)
 491   {
 492     // Find a child that's a subwindow, but not a dialog box.
 493     wxWindow *win = (wxWindow *)node->Data();
 494
 495     if (!win->IsKindOf(CLASSINFO(wxFrame)) &&
 496          !win->IsKindOf(CLASSINFO(wxDialog)))
 497     {
 498       int width, height;
 499       int x, y;
 500       win->GetSize(&width, &height);
 501       win->GetPosition(&x, &y);
 502
 503       if ((x + width) > max_width)
 504         max_width = x + width;
 505       if ((y + height) > max_height)
 506         max_height = y + height;
 507     }
 508     node = node->Next();
 509   }
 510   SetClientSize(max_width, max_height);
 511 }
 512
 513 // Responds to colour changes, and passes event on to children.
 514 void wxFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 515 {
 516     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
 517     Refresh();
 518
 519     if ( m_frameStatusBar )
 520     {
 521         wxSysColourChangedEvent event2;
 522         event2.SetEventObject( m_frameStatusBar );
 523         m_frameStatusBar->ProcessEvent(event2);
 524     }
 525
 526     // Propagate the event to the non-top-level children
 527     wxWindow::OnSysColourChanged(event);
 528 }
 529
 530 /*
 531  * Frame window
 532  *
 533  */
 534
 535 void wxFrame::MSWCreate(int id, wxWindow *parent, const char *wclass, wxWindow *wx_win, const char *title,
 536                    int x, int y, int width, int height, long style)
 537
 538 {
 539   m_defaultIcon = (WXHICON) (wxSTD_FRAME_ICON ? wxSTD_FRAME_ICON : wxDEFAULT_FRAME_ICON);
 540
 541   // If child windows aren't properly drawn initially, WS_CLIPCHILDREN
 542   // could be the culprit. But without it, you can get a lot of flicker.
 543
 544   DWORD msflags = 0;
 545   if ((style & wxCAPTION) == wxCAPTION)
 546     msflags = WS_OVERLAPPED;
 547   else
 548     msflags = WS_POPUP;
 549
 550   if (style & wxMINIMIZE_BOX)
 551     msflags |= WS_MINIMIZEBOX;
 552   if (style & wxMAXIMIZE_BOX)
 553     msflags |= WS_MAXIMIZEBOX;
 554   if (style & wxTHICK_FRAME)
 555     msflags |= WS_THICKFRAME;
 556   if (style & wxSYSTEM_MENU)
 557     msflags |= WS_SYSMENU;
 558   if ((style & wxMINIMIZE) || (style & wxICONIZE))
 559     msflags |= WS_MINIMIZE;
 560   if (style & wxMAXIMIZE)
 561     msflags |= WS_MAXIMIZE;
 562   if (style & wxCAPTION)
 563     msflags |= WS_CAPTION;
 564   if (style & wxCLIP_CHILDREN)
 565     msflags |= WS_CLIPCHILDREN;
 566
 567   // Keep this in wxFrame because it saves recoding this function
 568   // in wxTinyFrame
 569 #if USE_ITSY_BITSY
 570   if (style & wxTINY_CAPTION_VERT)
 571     msflags |= IBS_VERTCAPTION;
 572   if (style & wxTINY_CAPTION_HORIZ)
 573     msflags |= IBS_HORZCAPTION;
 574 #else
 575   if (style & wxTINY_CAPTION_VERT)
 576     msflags |= WS_CAPTION;
 577   if (style & wxTINY_CAPTION_HORIZ)
 578     msflags |= WS_CAPTION;
 579 #endif
 580   if ((style & wxTHICK_FRAME) == 0)
 581     msflags |= WS_BORDER;
 582
 583   WXDWORD extendedStyle = MakeExtendedStyle(style);
 584
 585   if (style & wxSTAY_ON_TOP)
 586     extendedStyle |= WS_EX_TOPMOST;
 587
 588   m_iconized = FALSE;
 589   wxWindow::MSWCreate(id, parent, wclass, wx_win, title, x, y, width, height,
 590          msflags, NULL, extendedStyle);
 591   // Seems to be necessary if we use WS_POPUP
 592   // style instead of WS_OVERLAPPED
 593   if (width > -1 && height > -1)
 594     ::PostMessage((HWND) GetHWND(), WM_SIZE, SIZE_RESTORED, MAKELPARAM(width, height));
 595 }
 596
 597 bool wxFrame::MSWOnPaint(void)
 598 {
 599 #if WXDEBUG > 1
 600   wxDebugMsg("wxFrameWnd::OnPaint %d\n", handle);
 601 #endif
 602   RECT rect;
 603   if (GetUpdateRect((HWND) GetHWND(), &rect, FALSE))
 604   {
 605     if (m_iconized)
 606     {
 607       HICON the_icon;
 608     if (m_icon.Ok())
 609       the_icon = (HICON) m_icon.GetHICON();
 610       if (the_icon == 0)
 611         the_icon = (HICON) m_defaultIcon;
 612
 613       PAINTSTRUCT ps;
 614       // Hold a pointer to the dc so long as the OnPaint() message
 615       // is being processed
 616       HDC cdc = BeginPaint((HWND) GetHWND(), &ps);
 617
 618       // Erase background before painting or we get white background
 619       this->MSWDefWindowProc(WM_ICONERASEBKGND,(WORD)ps.hdc,0L);
 620
 621       if (the_icon)
 622       {
 623         RECT rect;
 624         GetClientRect((HWND) GetHWND(), &rect);
 625         int icon_width = 32;
 626         int icon_height = 32;
 627         int icon_x = (int)((rect.right - icon_width)/2);
 628         int icon_y = (int)((rect.bottom - icon_height)/2);
 629         DrawIcon(cdc, icon_x, icon_y, the_icon);
 630       }
 631
 632       EndPaint((HWND) GetHWND(), &ps);
 633     }
 634     else
 635     {
 636         wxPaintEvent event(m_windowId);
 637         event.m_eventObject = this;
 638         if (!GetEventHandler()->ProcessEvent(event))
 639             Default();
 640     }
 641     return 0;
 642   }
 643   return 1;
 644 }
 645
 646 WXHICON wxFrame::MSWOnQueryDragIcon(void)
 647 {
 648   if (m_icon.Ok() && (m_icon.GetHICON() != 0))
 649     return m_icon.GetHICON();
 650   else
 651     return m_defaultIcon;
 652 }
 653
 654 void wxFrame::MSWOnSize(int x, int y, WXUINT id)
 655 {
 656 #if WXDEBUG > 1
 657   wxDebugMsg("wxFrameWnd::OnSize %d\n", m_hWnd);
 658 #endif
 659   switch (id)
 660   {
 661     case SIZEFULLSCREEN:
 662     case SIZENORMAL:
 663       m_iconized = FALSE;
 664     break;
 665     case SIZEICONIC:
 666       m_iconized = TRUE;
 667     break;
 668   }
 669
 670  if (!m_iconized)
 671  {
 672   // forward WM_SIZE to status bar control
 673 #if USE_NATIVE_STATUSBAR
 674   if (m_frameStatusBar && m_frameStatusBar->IsKindOf(CLASSINFO(wxStatusBar95)))
 675   {
 676     wxSizeEvent event(wxSize(x, y), m_frameStatusBar->GetId());
 677     event.SetEventObject( m_frameStatusBar );
 678
 679     ((wxStatusBar95 *)m_frameStatusBar)->OnSize(event);
 680   }
 681 #endif
 682
 683   PositionStatusBar();
 684   wxSizeEvent event(wxSize(x, y), m_windowId);
 685   event.SetEventObject( this );
 686   if (!GetEventHandler()->ProcessEvent(event))
 687     Default();
 688  }
 689 }
 690
 691 bool wxFrame::MSWOnClose(void)
 692 {
 693 #if WXDEBUG > 1
 694   wxDebugMsg("wxFrameWnd::OnClose %d\n", handle);
 695 #endif
 696     return Close();
 697 }
 698
 699 bool wxFrame::MSWOnCommand(WXWORD id, WXWORD cmd, WXHWND control)
 700 {
 701 #if WXDEBUG > 1
 702   wxDebugMsg("wxFrameWnd::OnCommand %d\n", handle);
 703 #endif
 704   if (cmd == 0 || cmd == 1 ) // Can be either a menu command or an accelerator.
 705   {
 706     // In case it's e.g. a toolbar.
 707     wxWindow *win = wxFindWinFromHandle(control);
 708     if (win)
 709       return win->MSWCommand(cmd, id);
 710
 711     if (GetMenuBar() && GetMenuBar()->FindItemForId(id))
 712     {
 713       ProcessCommand(id);
 714       return TRUE;
 715     }
 716     else
 717       return FALSE;
 718   }
 719   else
 720     return FALSE;
 721 }
 722
 723 void wxFrame::MSWOnMenuHighlight(WXWORD nItem, WXWORD nFlags, WXHMENU hSysMenu)
 724 {
 725   if (nFlags == 0xFFFF && hSysMenu == 0)
 726   {
 727     wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, -1);
 728     event.SetEventObject( this );
 729     GetEventHandler()->ProcessEvent(event);
 730   }
 731   else if (nFlags != MF_SEPARATOR)
 732   {
 733     wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, nItem);
 734     event.SetEventObject( this );
 735     GetEventHandler()->ProcessEvent(event);
 736   }
 737 }
 738
 739 bool wxFrame::MSWProcessMessage(WXMSG* pMsg)
 740 {
 741   if (m_acceleratorTable != 0 &&
 742           ::TranslateAccelerator((HWND) GetHWND(), (HACCEL) m_acceleratorTable, (MSG *)pMsg))
 743     return TRUE;
 744
 745   return FALSE;
 746 }
 747
 748 // Default resizing behaviour - if only ONE subwindow,
 749 // resize to client rectangle size
 750 void wxFrame::OnSize(wxSizeEvent& event)
 751 {
 752   // if we're using constraints - do use them
 753   #if USE_CONSTRAINTS
 754     if ( GetAutoLayout() ) {
 755       Layout();
 756       return;
 757     }
 758   #endif
 759
 760   // do we have _exactly_ one child?
 761   wxWindow *child = NULL;
 762   for ( wxNode *node = GetChildren()->First(); node; node = node->Next() )
 763   {
 764     wxWindow *win = (wxWindow *)node->Data();
 765     if ( !win->IsKindOf(CLASSINFO(wxFrame))  &&
 766          !win->IsKindOf(CLASSINFO(wxDialog)) &&
 767          (win != GetStatusBar()) )
 768     {
 769       if ( child )
 770         return;     // it's our second subwindow - nothing to do
 771       child = win;
 772     }
 773   }
 774
 775   if ( child ) {
 776     // we have exactly one child - set it's size to fill the whole frame
 777     int client_x, client_y;
 778
 779     GetClientSize(&client_x, &client_y);
 780     child->SetSize(0, 0, client_x, client_y);
 781   }
 782 }
 783
 784 // Default activation behaviour - set the focus for the first child
 785 // subwindow found.
 786 void wxFrame::OnActivate(wxActivateEvent& event)
 787 {
 788   for(wxNode *node = GetChildren()->First(); node; node = node->Next())
 789   {
 790     // Find a child that's a subwindow, but not a dialog box.
 791     wxWindow *child = (wxWindow *)node->Data();
 792     if (!child->IsKindOf(CLASSINFO(wxFrame)) &&
 793          !child->IsKindOf(CLASSINFO(wxDialog)))
 794     {
 795 #if WXDEBUG > 1
 796       wxDebugMsg("wxFrame::OnActivate: about to set the child's focus.\n");
 797 #endif
 798       child->SetFocus();
 799       return;
 800     }
 801   }
 802 }
 803
 804 // The default implementation for the close window event - calls
 805 // OnClose for backward compatibility.
 806
 807 void wxFrame::OnCloseWindow(wxCloseEvent& event)
 808 {
 809     // Compatibility
 810     if ( GetEventHandler()->OnClose() || event.GetForce())
 811     {
 812         this->Destroy();
 813     }
 814 }
 815
 816 bool wxFrame::OnClose(void)
 817 {
 818     return TRUE;
 819 }
 820
 821 // Destroy the window (delayed, if a managed window)
 822 bool wxFrame::Destroy(void)
 823 {
 824   if (!wxPendingDelete.Member(this))
 825     wxPendingDelete.Append(this);
 826   return TRUE;
 827 }
 828
 829 // Default menu selection behaviour - display a help string
 830 void wxFrame::OnMenuHighlight(wxMenuEvent& event)
 831 {
 832   if (GetStatusBar())
 833   {
 834     if (event.GetMenuId() == -1)
 835       SetStatusText("");
 836     else
 837     {
 838       wxMenuBar *menuBar = GetMenuBar();
 839       if (menuBar)
 840       {
 841         wxString helpString(menuBar->GetHelpString(event.GetMenuId()));
 842         if (helpString != "")
 843           SetStatusText(helpString);
 844       }
 845     }
 846   }
 847 }
 848
 849 wxMenuBar *wxFrame::GetMenuBar(void) const
 850 {
 851   return m_frameMenuBar;
 852 }
 853
 854 void wxFrame::Centre(int direction)
 855 {
 856   int display_width, display_height, width, height, x, y;
 857   wxDisplaySize(&display_width, &display_height);
 858
 859   GetSize(&width, &height);
 860   GetPosition(&x, &y);
 861
 862   if (direction & wxHORIZONTAL)
 863     x = (int)((display_width - width)/2);
 864   if (direction & wxVERTICAL)
 865     y = (int)((display_height - height)/2);
 866
 867   SetSize(x, y, width, height);
 868 }
 869
 870 // Call this to simulate a menu command
 871 void wxFrame::Command(int id)
 872 {
 873   ProcessCommand(id);
 874 }
 875
 876 void wxFrame::ProcessCommand(int id)
 877 {
 878   wxCommandEvent commandEvent(wxEVENT_TYPE_MENU_COMMAND, id);
 879   commandEvent.SetInt( id );
 880   commandEvent.SetEventObject( this );
 881
 882   wxMenuBar *bar = GetMenuBar() ;
 883   if (!bar)
 884     return;
 885
 886   wxMenuItem *item = bar->FindItemForId(id) ;
 887   if (item && item->IsCheckable())
 888   {
 889     bar->Check(id,!bar->Checked(id)) ;
 890   }
 891   GetEventHandler()->ProcessEvent(commandEvent);
 892 }
 893
 894 void wxFrame::OnIdle(wxIdleEvent& event)
 895 {
 896   DoMenuUpdates();
 897 }
 898
 899 // Query app for menu item updates (called from OnIdle)
 900 void wxFrame::DoMenuUpdates(void)
 901 {
 902   wxMenuBar* bar = GetMenuBar();
 903   if (!bar)
 904     return;
 905
 906   int i;
 907   for (i = 0; i < bar->m_menuCount; i++)
 908   {
 909     wxMenu* menu = bar->m_menus[i];
 910
 911     DoMenuUpdates(menu);
 912   }
 913 }
 914
 915 void wxFrame::DoMenuUpdates(wxMenu* menu)
 916 {
 917   wxNode* node = menu->m_menuItems.First();
 918   while (node)
 919   {
 920     wxMenuItem* item = (wxMenuItem*) node->Data();
 921     if ( !item->IsSeparator() )
 922     {
 923         wxWindowID id = item->GetId();
 924       wxUpdateUIEvent event(id);
 925       event.SetEventObject( this );
 926
 927       if (GetEventHandler()->ProcessEvent(event))
 928       {
 929         if (event.GetSetText())
 930           menu->SetLabel(id, event.GetText());
 931         if (event.GetSetChecked())
 932           menu->Check(id, event.GetChecked());
 933         if (event.GetSetEnabled())
 934           menu->Enable(id, event.GetEnabled());
 935       }
 936
 937       if (item->GetSubMenu())
 938         DoMenuUpdates(item->GetSubMenu());
 939     }
 940     node = node->Next();
 941   }
 942 }