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            const wxWindowID id,
  80            const wxString& title,
  81            const wxPoint& pos,
  82            const wxSize& size,
  83            const 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(const int width, const 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 #if WXWIN_COMPATIBILITY
 203   GetEventHandler()->OldOnSize(width, height);
 204 #else
 205   wxSizeEvent event(wxSize(width, height), m_windowId);
 206   event.SetEventObject( this );
 207   GetEventHandler()->ProcessEvent(event);
 208 #endif
 209 }
 210
 211 void wxFrame::GetSize(int *width, int *height) const
 212 {
 213   RECT rect;
 214   GetWindowRect((HWND) GetHWND(), &rect);
 215   *width = rect.right - rect.left;
 216   *height = rect.bottom - rect.top;
 217 }
 218
 219 void wxFrame::GetPosition(int *x, int *y) const
 220 {
 221   RECT rect;
 222   GetWindowRect((HWND) GetHWND(), &rect);
 223   POINT point;
 224   point.x = rect.left;
 225   point.y = rect.top;
 226
 227   *x = point.x;
 228   *y = point.y;
 229 }
 230
 231 void wxFrame::SetSize(const int x, const int y, const int width, const int height, const int sizeFlags)
 232 {
 233   int currentX, currentY;
 234   int x1 = x;
 235   int y1 = y;
 236   int w1 = width;
 237   int h1 = height;
 238
 239   GetPosition(&currentX, &currentY);
 240   if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 241     x1 = currentX;
 242   if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 243     y1 = currentY;
 244
 245   int ww,hh ;
 246   GetSize(&ww,&hh) ;
 247   if (width == -1) w1 = ww ;
 248   if (height==-1) h1 = hh ;
 249
 250   MoveWindow((HWND) GetHWND(), x1, y1, w1, h1, (BOOL)TRUE);
 251
 252 #if WXWIN_COMPATIBILITY
 253   GetEventHandler()->OldOnSize(width, height);
 254 #else
 255   wxSizeEvent event(wxSize(width, height), m_windowId);
 256   event.SetEventObject( this );
 257   GetEventHandler()->ProcessEvent(event);
 258 #endif
 259 }
 260
 261 bool wxFrame::Show(const bool show)
 262 {
 263   int cshow;
 264   if (show)
 265     cshow = SW_SHOW;
 266   else
 267     cshow = SW_HIDE;
 268
 269   if (!show)
 270   {
 271     // Try to highlight the correct window (the parent)
 272     HWND hWndParent = 0;
 273     if (GetParent())
 274     {
 275       hWndParent = (HWND) GetParent()->GetHWND();
 276       if (hWndParent)
 277         ::BringWindowToTop(hWndParent);
 278     }
 279   }
 280
 281   ShowWindow((HWND) GetHWND(), (BOOL)cshow);
 282   if (show)
 283   {
 284     BringWindowToTop((HWND) GetHWND());
 285
 286 #if WXWIN_COMPATIBILITY
 287     OldOnActivate(TRUE);
 288 #else
 289     wxActivateEvent event(wxEVT_ACTIVATE, TRUE, m_windowId);
 290     event.SetEventObject( this );
 291     GetEventHandler()->ProcessEvent(event);
 292 #endif
 293   }
 294   return TRUE;
 295 }
 296
 297 void wxFrame::Iconize(const bool iconize)
 298 {
 299   if (!iconize)
 300     Show(TRUE);
 301
 302   int cshow;
 303   if (iconize)
 304     cshow = SW_MINIMIZE;
 305   else
 306     cshow = SW_RESTORE;
 307   ShowWindow((HWND) GetHWND(), (BOOL)cshow);
 308   m_iconized = iconize;
 309 }
 310
 311 // Equivalent to maximize/restore in Windows
 312 void wxFrame::Maximize(const bool maximize)
 313 {
 314   Show(TRUE);
 315   int cshow;
 316   if (maximize)
 317     cshow = SW_MAXIMIZE;
 318   else
 319     cshow = SW_RESTORE;
 320   ShowWindow((HWND) GetHWND(), cshow);
 321   m_iconized = FALSE;
 322 }
 323
 324 bool wxFrame::IsIconized(void) const
 325 {
 326   ((wxFrame *)this)->m_iconized = (::IsIconic((HWND) GetHWND()) != 0);
 327   return m_iconized;
 328 }
 329
 330 void wxFrame::SetTitle(const wxString& title)
 331 {
 332   SetWindowText((HWND) GetHWND(), (const char *)title);
 333 }
 334
 335 wxString wxFrame::GetTitle(void) const
 336 {
 337   GetWindowText((HWND) GetHWND(), wxBuffer, 1000);
 338   return wxString(wxBuffer);
 339 }
 340
 341 void wxFrame::SetIcon(const wxIcon& icon)
 342 {
 343   m_icon = icon;
 344 #if defined(__WIN95__)
 345   if ( m_icon.Ok() )
 346     SendMessage((HWND) GetHWND(), WM_SETICON,
 347                 (WPARAM)TRUE, (LPARAM)(HICON) m_icon.GetHICON());
 348 #endif
 349 }
 350
 351 wxStatusBar *wxFrame::OnCreateStatusBar(const int number)
 352 {
 353     wxStatusBar *statusBar = NULL;
 354
 355 #if USE_NATIVE_STATUSBAR
 356     if (UsesNativeStatusBar())
 357     {
 358         statusBar = new wxStatusBar95(this);
 359     }
 360     else
 361 #endif
 362     {
 363         statusBar = new wxStatusBar(this, -1, wxPoint(0, 0), wxSize(100, 20));
 364
 365         // Set the height according to the font and the border size
 366         wxClientDC dc(statusBar);
 367         dc.SetFont(* statusBar->GetFont());
 368
 369         long x, y;
 370         dc.GetTextExtent("X", &x, &y);
 371
 372         int height = (int)( (y  * 1.1) + 2* statusBar->GetBorderY());
 373
 374         statusBar->SetSize(-1, -1, 100, height);
 375     }
 376
 377   statusBar->SetFieldsCount(number);
 378   return statusBar;
 379 }
 380
 381 bool wxFrame::CreateStatusBar(const int number)
 382 {
 383   // VZ: calling CreateStatusBar twice is an error - why anyone would do it?
 384   wxCHECK_MSG( m_frameStatusBar == NULL, FALSE,
 385                "recreating status bar in wxFrame" );
 386
 387   m_frameStatusBar = OnCreateStatusBar(number);
 388   if ( m_frameStatusBar )
 389   {
 390     PositionStatusBar();
 391     return TRUE;
 392   }
 393   else
 394     return FALSE;
 395 }
 396
 397 void wxFrame::SetStatusText(const wxString& text, const int number)
 398 {
 399   wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set text for" );
 400
 401   m_frameStatusBar->SetStatusText(text, number);
 402 }
 403
 404 void wxFrame::SetStatusWidths(const int n, const int *widths_field)
 405 {
 406   wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set widths for" );
 407
 408   m_frameStatusBar->SetStatusWidths(n, widths_field);
 409   PositionStatusBar();
 410 }
 411
 412 void wxFrame::PositionStatusBar(void)
 413 {
 414   // native status bar positions itself
 415   if (m_frameStatusBar
 416 #if USE_NATIVE_STATUSBAR
 417    && !m_frameStatusBar->IsKindOf(CLASSINFO(wxStatusBar95))
 418 #endif
 419     )
 420   {
 421       int w, h;
 422       GetClientSize(&w, &h);
 423       int sw, sh;
 424       m_frameStatusBar->GetSize(&sw, &sh);
 425       m_frameStatusBar->SetSize(0, h, w, sh);
 426   }
 427 }
 428
 429 void wxFrame::SetMenuBar(wxMenuBar *menu_bar)
 430 {
 431   if (!menu_bar)
 432   {
 433     m_frameMenuBar = NULL;
 434     return;
 435   }
 436
 437   if (menu_bar->m_menuBarFrame)
 438    return;
 439
 440   int i;
 441   HMENU menu = CreateMenu();
 442
 443   for (i = 0; i < menu_bar->m_menuCount; i ++)
 444   {
 445     HMENU popup = (HMENU)menu_bar->m_menus[i]->m_hMenu;
 446     //
 447     // After looking Bounds Checker result, it seems that all
 448     // menus must be individually destroyed. So, don't reset m_hMenu,
 449     // to  allow ~wxMenu to do the job.
 450     //
 451     menu_bar->m_menus[i]->m_savehMenu = (WXHMENU) popup;
 452     // Uncommenting for the moment... JACS
 453     menu_bar->m_menus[i]->m_hMenu = 0;
 454     AppendMenu(menu, MF_POPUP | MF_STRING, (UINT)popup, menu_bar->m_titles[i]);
 455   }
 456
 457   menu_bar->m_hMenu = (WXHMENU)menu;
 458   if (m_frameMenuBar)
 459     delete m_frameMenuBar;
 460
 461   this->m_hMenu = (WXHMENU) menu;
 462
 463   DWORD err = 0;
 464   if (!SetMenu((HWND) GetHWND(), menu))
 465   {
 466 #ifdef __WIN32__
 467     err = GetLastError();
 468 #endif
 469   }
 470
 471   m_frameMenuBar = menu_bar;
 472   menu_bar->m_menuBarFrame = this;
 473 }
 474
 475 bool wxFrame::LoadAccelerators(const wxString& table)
 476 {
 477   m_acceleratorTable = (WXHANDLE)
 478 #ifdef __WIN32__
 479 #ifdef UNICODE
 480      ::LoadAcceleratorsW(wxGetInstance(), (const char *)table);
 481 #else
 482      ::LoadAcceleratorsA(wxGetInstance(), (const char *)table);
 483 #endif
 484 #else
 485      ::LoadAccelerators(wxGetInstance(), (const char *)table);
 486 #endif
 487
 488   // The above is necessary because LoadAccelerators is a macro
 489   // which we have undefed earlier in the file to avoid confusion
 490   // with wxFrame::LoadAccelerators. Ugh!
 491
 492   return (m_acceleratorTable != (WXHANDLE) NULL);
 493 }
 494
 495 void wxFrame::Fit(void)
 496 {
 497   // Work out max. size
 498   wxNode *node = GetChildren()->First();
 499   int max_width = 0;
 500   int max_height = 0;
 501   while (node)
 502   {
 503     // Find a child that's a subwindow, but not a dialog box.
 504     wxWindow *win = (wxWindow *)node->Data();
 505
 506     if (!win->IsKindOf(CLASSINFO(wxFrame)) &&
 507          !win->IsKindOf(CLASSINFO(wxDialog)))
 508     {
 509       int width, height;
 510       int x, y;
 511       win->GetSize(&width, &height);
 512       win->GetPosition(&x, &y);
 513
 514       if ((x + width) > max_width)
 515         max_width = x + width;
 516       if ((y + height) > max_height)
 517         max_height = y + height;
 518     }
 519     node = node->Next();
 520   }
 521   SetClientSize(max_width, max_height);
 522 }
 523
 524 // Responds to colour changes, and passes event on to children.
 525 void wxFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 526 {
 527     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
 528     Refresh();
 529
 530     if ( m_frameStatusBar )
 531     {
 532         wxSysColourChangedEvent event2;
 533         event2.SetEventObject( m_frameStatusBar );
 534         m_frameStatusBar->ProcessEvent(event2);
 535     }
 536
 537     // Propagate the event to the non-top-level children
 538     wxWindow::OnSysColourChanged(event);
 539 }
 540
 541 /*
 542  * Frame window
 543  *
 544  */
 545
 546 void wxFrame::MSWCreate(const int id, wxWindow *parent, const char *wclass, wxWindow *wx_win, const char *title,
 547                    const int x, const int y, const int width, const int height, const long style)
 548
 549 {
 550   m_defaultIcon = (WXHICON) (wxSTD_FRAME_ICON ? wxSTD_FRAME_ICON : wxDEFAULT_FRAME_ICON);
 551
 552   // If child windows aren't properly drawn initially, WS_CLIPCHILDREN
 553   // could be the culprit. But without it, you can get a lot of flicker.
 554
 555   DWORD msflags = 0;
 556   if ((style & wxCAPTION) == wxCAPTION)
 557     msflags = WS_OVERLAPPED;
 558   else
 559     msflags = WS_POPUP;
 560
 561   if (style & wxMINIMIZE_BOX)
 562     msflags |= WS_MINIMIZEBOX;
 563   if (style & wxMAXIMIZE_BOX)
 564     msflags |= WS_MAXIMIZEBOX;
 565   if (style & wxTHICK_FRAME)
 566     msflags |= WS_THICKFRAME;
 567   if (style & wxSYSTEM_MENU)
 568     msflags |= WS_SYSMENU;
 569   if ((style & wxMINIMIZE) || (style & wxICONIZE))
 570     msflags |= WS_MINIMIZE;
 571   if (style & wxMAXIMIZE)
 572     msflags |= WS_MAXIMIZE;
 573   if (style & wxCAPTION)
 574     msflags |= WS_CAPTION;
 575   if (style & wxCLIP_CHILDREN)
 576     msflags |= WS_CLIPCHILDREN;
 577
 578   // Keep this in wxFrame because it saves recoding this function
 579   // in wxTinyFrame
 580 #if USE_ITSY_BITSY
 581   if (style & wxTINY_CAPTION_VERT)
 582     msflags |= IBS_VERTCAPTION;
 583   if (style & wxTINY_CAPTION_HORIZ)
 584     msflags |= IBS_HORZCAPTION;
 585 #else
 586   if (style & wxTINY_CAPTION_VERT)
 587     msflags |= WS_CAPTION;
 588   if (style & wxTINY_CAPTION_HORIZ)
 589     msflags |= WS_CAPTION;
 590 #endif
 591   if ((style & wxTHICK_FRAME) == 0)
 592     msflags |= WS_BORDER;
 593
 594   WXDWORD extendedStyle = MakeExtendedStyle(style);
 595
 596   if (style & wxSTAY_ON_TOP)
 597     extendedStyle |= WS_EX_TOPMOST;
 598
 599   m_iconized = FALSE;
 600   wxWindow::MSWCreate(id, parent, wclass, wx_win, title, x, y, width, height,
 601          msflags, NULL, extendedStyle);
 602   // Seems to be necessary if we use WS_POPUP
 603   // style instead of WS_OVERLAPPED
 604   if (width > -1 && height > -1)
 605     ::PostMessage((HWND) GetHWND(), WM_SIZE, SIZE_RESTORED, MAKELPARAM(width, height));
 606 }
 607
 608 bool wxFrame::MSWOnPaint(void)
 609 {
 610 #if DEBUG > 1
 611   wxDebugMsg("wxFrameWnd::OnPaint %d\n", handle);
 612 #endif
 613   RECT rect;
 614   if (GetUpdateRect((HWND) GetHWND(), &rect, FALSE))
 615   {
 616     if (m_iconized)
 617     {
 618       HICON the_icon;
 619     if (m_icon.Ok())
 620       the_icon = (HICON) m_icon.GetHICON();
 621       if (the_icon == 0)
 622         the_icon = (HICON) m_defaultIcon;
 623
 624       PAINTSTRUCT ps;
 625       // Hold a pointer to the dc so long as the OnPaint() message
 626       // is being processed
 627       HDC cdc = BeginPaint((HWND) GetHWND(), &ps);
 628
 629       // Erase background before painting or we get white background
 630       this->MSWDefWindowProc(WM_ICONERASEBKGND,(WORD)ps.hdc,0L);
 631
 632       if (the_icon)
 633       {
 634         RECT rect;
 635         GetClientRect((HWND) GetHWND(), &rect);
 636         int icon_width = 32;
 637         int icon_height = 32;
 638         int icon_x = (int)((rect.right - icon_width)/2);
 639         int icon_y = (int)((rect.bottom - icon_height)/2);
 640         DrawIcon(cdc, icon_x, icon_y, the_icon);
 641       }
 642
 643       EndPaint((HWND) GetHWND(), &ps);
 644     }
 645     else
 646     {
 647       GetEventHandler()->OldOnPaint();
 648     }
 649     return 0;
 650   }
 651   return 1;
 652 }
 653
 654 WXHICON wxFrame::MSWOnQueryDragIcon(void)
 655 {
 656   if (m_icon.Ok() && (m_icon.GetHICON() != 0))
 657     return m_icon.GetHICON();
 658   else
 659     return m_defaultIcon;
 660 }
 661
 662 void wxFrame::MSWOnSize(const int x, const int y, const WXUINT id)
 663 {
 664 #if DEBUG > 1
 665   wxDebugMsg("wxFrameWnd::OnSize %d\n", m_hWnd);
 666 #endif
 667   switch (id)
 668   {
 669     case SIZEFULLSCREEN:
 670     case SIZENORMAL:
 671       m_iconized = FALSE;
 672     break;
 673     case SIZEICONIC:
 674       m_iconized = TRUE;
 675     break;
 676   }
 677
 678  if (!m_iconized)
 679  {
 680   // forward WM_SIZE to status bar control
 681 #if USE_NATIVE_STATUSBAR
 682   if (m_frameStatusBar && m_frameStatusBar->IsKindOf(CLASSINFO(wxStatusBar95)))
 683   {
 684     wxSizeEvent event(wxSize(x, y), m_frameStatusBar->GetId());
 685     event.SetEventObject( m_frameStatusBar );
 686
 687     ((wxStatusBar95 *)m_frameStatusBar)->OnSize(event);
 688   }
 689 #endif
 690
 691   PositionStatusBar();
 692 #if WXWIN_COMPATIBILITY
 693   GetEventHandler()->OldOnSize(x, y);
 694 #else
 695   wxSizeEvent event(wxSize(x, y), m_windowId);
 696   event.SetEventObject( this );
 697   GetEventHandler()->ProcessEvent(event);
 698 #endif
 699  }
 700 }
 701
 702 bool wxFrame::MSWOnClose(void)
 703 {
 704 #if DEBUG > 1
 705   wxDebugMsg("wxFrameWnd::OnClose %d\n", handle);
 706 #endif
 707     return Close();
 708 }
 709
 710 bool wxFrame::MSWOnCommand(const WXWORD id, const WXWORD cmd, const WXHWND control)
 711 {
 712 #if DEBUG > 1
 713   wxDebugMsg("wxFrameWnd::OnCommand %d\n", handle);
 714 #endif
 715   if (cmd == 0 || cmd == 1 ) // Can be either a menu command or an accelerator.
 716   {
 717     // In case it's e.g. a toolbar.
 718     wxWindow *win = wxFindWinFromHandle(control);
 719     if (win)
 720       return win->MSWCommand(cmd, id);
 721
 722     if (GetMenuBar() && GetMenuBar()->FindItemForId(id))
 723     {
 724       ProcessCommand(id);
 725       return TRUE;
 726     }
 727     else
 728       return FALSE;
 729   }
 730   else
 731     return FALSE;
 732 }
 733
 734 void wxFrame::MSWOnMenuHighlight(const WXWORD nItem, const WXWORD nFlags, const WXHMENU hSysMenu)
 735 {
 736 #if WXWIN_COMPATIBILITY
 737   if (nFlags == 0xFFFF && hSysMenu == 0)
 738     GetEventHandler()->OldOnMenuSelect(-1);
 739   else if (nFlags != MF_SEPARATOR)
 740     GetEventHandler()->OldOnMenuSelect(nItem);
 741 #else
 742   if (nFlags == 0xFFFF && hSysMenu == 0)
 743   {
 744     wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, -1);
 745     event.SetEventObject( this );
 746     GetEventHandler()->ProcessEvent(event);
 747   }
 748   else if (nFlags != MF_SEPARATOR)
 749   {
 750     wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, nItem);
 751     event.SetEventObject( this );
 752     GetEventHandler()->ProcessEvent(event);
 753   }
 754 #endif
 755 }
 756
 757 bool wxFrame::MSWProcessMessage(WXMSG* pMsg)
 758 {
 759   if (m_acceleratorTable != 0 &&
 760           ::TranslateAccelerator((HWND) GetHWND(), (HANDLE) m_acceleratorTable, (MSG *)pMsg))
 761     return TRUE;
 762
 763   return FALSE;
 764 }
 765
 766 // Default resizing behaviour - if only ONE subwindow,
 767 // resize to client rectangle size
 768 void wxFrame::OnSize(wxSizeEvent& event)
 769 {
 770   // Search for a child which is a subwindow, not another frame.
 771   wxWindow *child = NULL;
 772   // Count the number of _subwindow_ children
 773   int noChildren = 0;
 774   for(wxNode *node = GetChildren()->First(); node; node = node->Next())
 775   {
 776     wxWindow *win = (wxWindow *)node->Data();
 777     if (!win->IsKindOf(CLASSINFO(wxFrame)) && !win->IsKindOf(CLASSINFO(wxDialog))
 778       && (win != GetStatusBar()))
 779     {
 780       child = win;
 781       noChildren ++;
 782     }
 783   }
 784
 785   // If not one child, call the Layout function if compiled in
 786   if (!child || (noChildren > 1)
 787 #if USE_CONSTRAINTS
 788    || GetAutoLayout()
 789 #endif
 790    )
 791   {
 792 #if USE_CONSTRAINTS
 793     if (GetAutoLayout())
 794       Layout();
 795 #endif
 796     return;
 797   }
 798
 799   if (child)
 800   {
 801     int client_x, client_y;
 802
 803 #if DEBUG > 1
 804     wxDebugMsg("wxFrame::OnSize: about to set the child's size.\n");
 805 #endif
 806
 807     GetClientSize(&client_x, &client_y);
 808     child->SetSize(0, 0, client_x, client_y);
 809   }
 810
 811 }
 812
 813 // Default activation behaviour - set the focus for the first child
 814 // subwindow found.
 815 void wxFrame::OnActivate(wxActivateEvent& event)
 816 {
 817   for(wxNode *node = GetChildren()->First(); node; node = node->Next())
 818   {
 819     // Find a child that's a subwindow, but not a dialog box.
 820     wxWindow *child = (wxWindow *)node->Data();
 821     if (!child->IsKindOf(CLASSINFO(wxFrame)) &&
 822          !child->IsKindOf(CLASSINFO(wxDialog)))
 823     {
 824 #if DEBUG > 1
 825       wxDebugMsg("wxFrame::OnActivate: about to set the child's focus.\n");
 826 #endif
 827       child->SetFocus();
 828       return;
 829     }
 830   }
 831 }
 832
 833 // The default implementation for the close window event - calls
 834 // OnClose for backward compatibility.
 835
 836 void wxFrame::OnCloseWindow(wxCloseEvent& event)
 837 {
 838     // Compatibility
 839     if ( GetEventHandler()->OnClose() || event.GetForce())
 840     {
 841         this->Destroy();
 842     }
 843 }
 844
 845 // Destroy the window (delayed, if a managed window)
 846 bool wxFrame::Destroy(void)
 847 {
 848   if (!wxPendingDelete.Member(this))
 849     wxPendingDelete.Append(this);
 850   return TRUE;
 851 }
 852
 853 // Default menu selection behaviour - display a help string
 854 void wxFrame::OnMenuHighlight(wxMenuEvent& event)
 855 {
 856   if (GetStatusBar())
 857   {
 858     if (event.GetMenuId() == -1)
 859       SetStatusText("");
 860     else
 861     {
 862       wxMenuBar *menuBar = GetMenuBar();
 863       if (menuBar)
 864       {
 865         wxString helpString(menuBar->GetHelpString(event.GetMenuId()));
 866         if (helpString != "")
 867           SetStatusText(helpString);
 868       }
 869     }
 870   }
 871 }
 872
 873 #if WXWIN_COMPATIBILITY
 874 void wxFrame::OldOnSize(int x, int y)
 875 {
 876 #if WXWIN_COMPATIBILITY == 1
 877   wxSizeEvent event(wxSize(x, y), m_windowId);
 878   event.SetEventObject( this );
 879   if (GetEventHandler()->ProcessEvent(event))
 880   return;
 881 #endif
 882   // Search for a child which is a subwindow, not another frame.
 883   wxWindow *child = NULL;
 884   // Count the number of _subwindow_ children
 885   int noChildren = 0;
 886   for(wxNode *node = GetChildren()->First(); node; node = node->Next())
 887   {
 888     wxWindow *win = (wxWindow *)node->Data();
 889     if (!win->IsKindOf(CLASSINFO(wxFrame)) && !win->IsKindOf(CLASSINFO(wxDialog)) && (win != GetStatusBar()))
 890     {
 891       child = win;
 892       noChildren ++;
 893     }
 894   }
 895
 896   // If not one child, call the Layout function if compiled in
 897   if (!child || (noChildren > 1)
 898 #if USE_CONSTRAINTS
 899    || GetAutoLayout()
 900 #endif
 901    )
 902   {
 903 #if USE_CONSTRAINTS
 904     if (GetAutoLayout())
 905       Layout();
 906 #endif
 907     return;
 908   }
 909
 910   if (child)
 911   {
 912     int client_x, client_y;
 913
 914 #if DEBUG > 1
 915     wxDebugMsg("wxFrame::OnSize: about to set the child's size.\n");
 916 #endif
 917
 918     GetClientSize(&client_x, &client_y);
 919     child->SetSize(0, 0, client_x, client_y);
 920   }
 921 }
 922
 923 // Default activation behaviour - set the focus for the first child
 924 // subwindow found.
 925 void wxFrame::OldOnActivate(bool flag)
 926 {
 927 #if WXWIN_COMPATIBILITY == 1
 928   wxActivateEvent event(wxEVT_ACTIVATE, flag, m_windowId);
 929   event.SetEventObject( this );
 930   if (GetEventHandler()->ProcessEvent(event))
 931   return;
 932 #endif
 933   for(wxNode *node = GetChildren()->First(); node; node = node->Next())
 934   {
 935     // Find a child that's a subwindow, but not a dialog box.
 936     wxWindow *child = (wxWindow *)node->Data();
 937     if (!child->IsKindOf(CLASSINFO(wxFrame)) &&
 938          !child->IsKindOf(CLASSINFO(wxDialog)))
 939     {
 940 #if DEBUG > 1
 941       wxDebugMsg("wxFrame::OnActivate: about to set the child's focus.\n");
 942 #endif
 943       child->SetFocus();
 944       return;
 945     }
 946   }
 947 }
 948
 949 // Default menu selection behaviour - display a help string
 950 void wxFrame::OldOnMenuSelect(int id)
 951 {
 952 #if WXWIN_COMPATIBILITY == 1
 953     wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, id);
 954     event.SetEventObject( this );
 955   if (GetEventHandler()->ProcessEvent(event))
 956     return;
 957 #endif
 958   if (GetStatusBar())
 959   {
 960     if (id == -1)
 961       SetStatusText("");
 962     else
 963     {
 964       wxMenuBar *menuBar = GetMenuBar();
 965       if (menuBar)
 966       {
 967         wxString helpString(menuBar->GetHelpString(id));
 968         if (helpString != "")
 969           SetStatusText(helpString);
 970       }
 971     }
 972   }
 973 }
 974 #endif
 975
 976 wxMenuBar *wxFrame::GetMenuBar(void) const
 977 {
 978   return m_frameMenuBar;
 979 }
 980
 981 void wxFrame::Centre(const int direction)
 982 {
 983   int display_width, display_height, width, height, x, y;
 984   wxDisplaySize(&display_width, &display_height);
 985
 986   GetSize(&width, &height);
 987   GetPosition(&x, &y);
 988
 989   if (direction & wxHORIZONTAL)
 990     x = (int)((display_width - width)/2);
 991   if (direction & wxVERTICAL)
 992     y = (int)((display_height - height)/2);
 993
 994   SetSize(x, y, width, height);
 995 }
 996
 997 // Call this to simulate a menu command
 998 void wxFrame::Command(int id)
 999 {
1000   ProcessCommand(id);
1001 }
1002
1003 void wxFrame::ProcessCommand(int id)
1004 {
1005   wxCommandEvent commandEvent(wxEVENT_TYPE_MENU_COMMAND, id);
1006   commandEvent.SetInt( id );
1007   commandEvent.SetEventObject( this );
1008
1009   wxMenuBar *bar = GetMenuBar() ;
1010   if (!bar)
1011     return;
1012
1013   // Motif does the job by itself!!
1014 #ifndef __MOTIF__
1015   wxMenuItem *item = bar->FindItemForId(id) ;
1016   if (item && item->IsCheckable())
1017   {
1018 //wxDebugMsg("Toggling id %d\n",id) ;
1019     bar->Check(id,!bar->Checked(id)) ;
1020   }
1021 #endif
1022   if (!ProcessEvent(commandEvent))
1023     OldOnMenuCommand(id);
1024 }
1025
1026 void wxFrame::OnIdle(wxIdleEvent& event)
1027 {
1028   DoMenuUpdates();
1029 }
1030
1031 // Query app for menu item updates (called from OnIdle)
1032 void wxFrame::DoMenuUpdates(void)
1033 {
1034   wxMenuBar* bar = GetMenuBar();
1035   if (!bar)
1036     return;
1037
1038   int i;
1039   for (i = 0; i < bar->m_menuCount; i++)
1040   {
1041     wxMenu* menu = bar->m_menus[i];
1042
1043     DoMenuUpdates(menu);
1044   }
1045 }
1046
1047 void wxFrame::DoMenuUpdates(wxMenu* menu)
1048 {
1049   wxNode* node = menu->m_menuItems.First();
1050   while (node)
1051   {
1052     wxMenuItem* item = (wxMenuItem*) node->Data();
1053     if ( !item->IsSeparator() )
1054     {
1055         wxWindowID id = item->GetId();
1056       wxUpdateUIEvent event(id);
1057       event.SetEventObject( this );
1058
1059       if (GetEventHandler()->ProcessEvent(event))
1060       {
1061         if (event.GetSetText())
1062           menu->SetLabel(id, event.GetText());
1063         if (event.GetSetChecked())
1064           menu->Check(id, event.GetChecked());
1065         if (event.GetSetEnabled())
1066           menu->Enable(id, event.GetEnabled());
1067       }
1068
1069       if (item->GetSubMenu())
1070         DoMenuUpdates(item->GetSubMenu());
1071     }
1072     node = node->Next();
1073   }
1074 }