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 = WS_POPUP | WS_CLIPCHILDREN ;
 556
 557   DWORD msflags = 0;
 558   if ((style & wxCAPTION) == wxCAPTION)
 559     msflags = WS_OVERLAPPED | WS_CLIPCHILDREN ; // WS_POPUP | WS_CLIPCHILDREN ;
 560   else
 561     msflags = WS_POPUP | WS_CLIPCHILDREN ;
 562
 563   if (style & wxMINIMIZE_BOX)
 564     msflags |= WS_MINIMIZEBOX;
 565   if (style & wxMAXIMIZE_BOX)
 566     msflags |= WS_MAXIMIZEBOX;
 567   if (style & wxTHICK_FRAME)
 568     msflags |= WS_THICKFRAME;
 569   if (style & wxSYSTEM_MENU)
 570     msflags |= WS_SYSMENU;
 571   if ((style & wxMINIMIZE) || (style & wxICONIZE))
 572     msflags |= WS_MINIMIZE;
 573   if (style & wxMAXIMIZE)
 574     msflags |= WS_MAXIMIZE;
 575   if (style & wxCAPTION)
 576     msflags |= WS_CAPTION;
 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
 646     if (!m_iconized)
 647     {
 648 //      m_paintHDC = (WXHDC) cdc;
 649       GetEventHandler()->OldOnPaint();
 650 //      m_paintHDC = NULL;
 651     }
 652     return 0;
 653   }
 654   return 1;
 655 }
 656
 657 WXHICON wxFrame::MSWOnQueryDragIcon(void)
 658 {
 659   if (m_icon.Ok() && (m_icon.GetHICON() != 0))
 660     return m_icon.GetHICON();
 661   else
 662     return m_defaultIcon;
 663 }
 664
 665 void wxFrame::MSWOnSize(const int x, const int y, const WXUINT id)
 666 {
 667 #if DEBUG > 1
 668   wxDebugMsg("wxFrameWnd::OnSize %d\n", m_hWnd);
 669 #endif
 670   switch (id)
 671   {
 672     case SIZEFULLSCREEN:
 673     case SIZENORMAL:
 674       m_iconized = FALSE;
 675     break;
 676     case SIZEICONIC:
 677       m_iconized = TRUE;
 678     break;
 679   }
 680
 681  if (!m_iconized)
 682  {
 683   // forward WM_SIZE to status bar control
 684 #if USE_NATIVE_STATUSBAR
 685   if (m_frameStatusBar && m_frameStatusBar->IsKindOf(CLASSINFO(wxStatusBar95)))
 686   {
 687     wxSizeEvent event(wxSize(x, y), m_frameStatusBar->GetId());
 688     event.SetEventObject( m_frameStatusBar );
 689
 690     ((wxStatusBar95 *)m_frameStatusBar)->OnSize(event);
 691   }
 692 #endif
 693
 694   PositionStatusBar();
 695 #if WXWIN_COMPATIBILITY
 696   GetEventHandler()->OldOnSize(x, y);
 697 #else
 698   wxSizeEvent event(wxSize(x, y), m_windowId);
 699   event.SetEventObject( this );
 700   GetEventHandler()->ProcessEvent(event);
 701 #endif
 702  }
 703 }
 704
 705 bool wxFrame::MSWOnClose(void)
 706 {
 707 #if DEBUG > 1
 708   wxDebugMsg("wxFrameWnd::OnClose %d\n", handle);
 709 #endif
 710     return Close();
 711 }
 712
 713 bool wxFrame::MSWOnCommand(const WXWORD id, const WXWORD cmd, const WXHWND control)
 714 {
 715 #if DEBUG > 1
 716   wxDebugMsg("wxFrameWnd::OnCommand %d\n", handle);
 717 #endif
 718   if (cmd == 0 || cmd == 1 ) // Can be either a menu command or an accelerator.
 719   {
 720     // In case it's e.g. a toolbar.
 721     wxWindow *win = wxFindWinFromHandle(control);
 722     if (win)
 723       return win->MSWCommand(cmd, id);
 724
 725     if (GetMenuBar() && GetMenuBar()->FindItemForId(id))
 726     {
 727       ProcessCommand(id);
 728       return TRUE;
 729     }
 730     else
 731       return FALSE;
 732   }
 733   else
 734     return FALSE;
 735 }
 736
 737 void wxFrame::MSWOnMenuHighlight(const WXWORD nItem, const WXWORD nFlags, const WXHMENU hSysMenu)
 738 {
 739 #if WXWIN_COMPATIBILITY
 740   if (nFlags == 0xFFFF && hSysMenu == 0)
 741     GetEventHandler()->OldOnMenuSelect(-1);
 742   else if (nFlags != MF_SEPARATOR)
 743     GetEventHandler()->OldOnMenuSelect(nItem);
 744 #else
 745   if (nFlags == 0xFFFF && hSysMenu == 0)
 746   {
 747     wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, -1);
 748     event.SetEventObject( this );
 749     GetEventHandler()->ProcessEvent(event);
 750   }
 751   else if (nFlags != MF_SEPARATOR)
 752   {
 753     wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, nItem);
 754     event.SetEventObject( this );
 755     GetEventHandler()->ProcessEvent(event);
 756   }
 757 #endif
 758 }
 759
 760 bool wxFrame::MSWProcessMessage(WXMSG* pMsg)
 761 {
 762   if (m_acceleratorTable != 0 &&
 763           ::TranslateAccelerator((HWND) GetHWND(), (HANDLE) m_acceleratorTable, (MSG *)pMsg))
 764     return TRUE;
 765
 766   return FALSE;
 767 }
 768
 769 // Default resizing behaviour - if only ONE subwindow,
 770 // resize to client rectangle size
 771 void wxFrame::OnSize(wxSizeEvent& event)
 772 {
 773   // Search for a child which is a subwindow, not another frame.
 774   wxWindow *child = NULL;
 775   // Count the number of _subwindow_ children
 776   int noChildren = 0;
 777   for(wxNode *node = GetChildren()->First(); node; node = node->Next())
 778   {
 779     wxWindow *win = (wxWindow *)node->Data();
 780     if (!win->IsKindOf(CLASSINFO(wxFrame)) && !win->IsKindOf(CLASSINFO(wxDialog))
 781       && (win != GetStatusBar()))
 782     {
 783       child = win;
 784       noChildren ++;
 785     }
 786   }
 787
 788   // If not one child, call the Layout function if compiled in
 789   if (!child || (noChildren > 1)
 790 #if USE_CONSTRAINTS
 791    || GetAutoLayout()
 792 #endif
 793    )
 794   {
 795 #if USE_CONSTRAINTS
 796     if (GetAutoLayout())
 797       Layout();
 798 #endif
 799     return;
 800   }
 801
 802   if (child)
 803   {
 804     int client_x, client_y;
 805
 806 #if DEBUG > 1
 807     wxDebugMsg("wxFrame::OnSize: about to set the child's size.\n");
 808 #endif
 809
 810     GetClientSize(&client_x, &client_y);
 811     child->SetSize(0, 0, client_x, client_y);
 812   }
 813
 814 }
 815
 816 // Default activation behaviour - set the focus for the first child
 817 // subwindow found.
 818 void wxFrame::OnActivate(wxActivateEvent& event)
 819 {
 820   for(wxNode *node = GetChildren()->First(); node; node = node->Next())
 821   {
 822     // Find a child that's a subwindow, but not a dialog box.
 823     wxWindow *child = (wxWindow *)node->Data();
 824     if (!child->IsKindOf(CLASSINFO(wxFrame)) &&
 825          !child->IsKindOf(CLASSINFO(wxDialog)))
 826     {
 827 #if DEBUG > 1
 828       wxDebugMsg("wxFrame::OnActivate: about to set the child's focus.\n");
 829 #endif
 830       child->SetFocus();
 831       return;
 832     }
 833   }
 834 }
 835
 836 // The default implementation for the close window event - calls
 837 // OnClose for backward compatibility.
 838
 839 void wxFrame::OnCloseWindow(wxCloseEvent& event)
 840 {
 841     // Compatibility
 842     if ( GetEventHandler()->OnClose() || event.GetForce())
 843     {
 844         this->Destroy();
 845     }
 846 }
 847
 848 // Destroy the window (delayed, if a managed window)
 849 bool wxFrame::Destroy(void)
 850 {
 851   if (!wxPendingDelete.Member(this))
 852     wxPendingDelete.Append(this);
 853   return TRUE;
 854 }
 855
 856 // Default menu selection behaviour - display a help string
 857 void wxFrame::OnMenuHighlight(wxMenuEvent& event)
 858 {
 859   if (GetStatusBar())
 860   {
 861     if (event.GetMenuId() == -1)
 862       SetStatusText("");
 863     else
 864     {
 865       wxMenuBar *menuBar = GetMenuBar();
 866       if (menuBar)
 867       {
 868         wxString helpString(menuBar->GetHelpString(event.GetMenuId()));
 869         if (helpString != "")
 870           SetStatusText(helpString);
 871       }
 872     }
 873   }
 874 }
 875
 876 #if WXWIN_COMPATIBILITY
 877 void wxFrame::OldOnSize(int x, int y)
 878 {
 879 #if WXWIN_COMPATIBILITY == 1
 880   wxSizeEvent event(wxSize(x, y), m_windowId);
 881   event.SetEventObject( this );
 882   if (GetEventHandler()->ProcessEvent(event))
 883   return;
 884 #endif
 885   // Search for a child which is a subwindow, not another frame.
 886   wxWindow *child = NULL;
 887   // Count the number of _subwindow_ children
 888   int noChildren = 0;
 889   for(wxNode *node = GetChildren()->First(); node; node = node->Next())
 890   {
 891     wxWindow *win = (wxWindow *)node->Data();
 892     if (!win->IsKindOf(CLASSINFO(wxFrame)) && !win->IsKindOf(CLASSINFO(wxDialog)) && (win != GetStatusBar()))
 893     {
 894       child = win;
 895       noChildren ++;
 896     }
 897   }
 898
 899   // If not one child, call the Layout function if compiled in
 900   if (!child || (noChildren > 1)
 901 #if USE_CONSTRAINTS
 902    || GetAutoLayout()
 903 #endif
 904    )
 905   {
 906 #if USE_CONSTRAINTS
 907     if (GetAutoLayout())
 908       Layout();
 909 #endif
 910     return;
 911   }
 912
 913   if (child)
 914   {
 915     int client_x, client_y;
 916
 917 #if DEBUG > 1
 918     wxDebugMsg("wxFrame::OnSize: about to set the child's size.\n");
 919 #endif
 920
 921     GetClientSize(&client_x, &client_y);
 922     child->SetSize(0, 0, client_x, client_y);
 923   }
 924 }
 925
 926 // Default activation behaviour - set the focus for the first child
 927 // subwindow found.
 928 void wxFrame::OldOnActivate(bool flag)
 929 {
 930 #if WXWIN_COMPATIBILITY == 1
 931   wxActivateEvent event(wxEVT_ACTIVATE, flag, m_windowId);
 932   event.SetEventObject( this );
 933   if (GetEventHandler()->ProcessEvent(event))
 934   return;
 935 #endif
 936   for(wxNode *node = GetChildren()->First(); node; node = node->Next())
 937   {
 938     // Find a child that's a subwindow, but not a dialog box.
 939     wxWindow *child = (wxWindow *)node->Data();
 940     if (!child->IsKindOf(CLASSINFO(wxFrame)) &&
 941          !child->IsKindOf(CLASSINFO(wxDialog)))
 942     {
 943 #if DEBUG > 1
 944       wxDebugMsg("wxFrame::OnActivate: about to set the child's focus.\n");
 945 #endif
 946       child->SetFocus();
 947       return;
 948     }
 949   }
 950 }
 951
 952 // Default menu selection behaviour - display a help string
 953 void wxFrame::OldOnMenuSelect(int id)
 954 {
 955 #if WXWIN_COMPATIBILITY == 1
 956     wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, id);
 957     event.SetEventObject( this );
 958   if (GetEventHandler()->ProcessEvent(event))
 959     return;
 960 #endif
 961   if (GetStatusBar())
 962   {
 963     if (id == -1)
 964       SetStatusText("");
 965     else
 966     {
 967       wxMenuBar *menuBar = GetMenuBar();
 968       if (menuBar)
 969       {
 970         wxString helpString(menuBar->GetHelpString(id));
 971         if (helpString != "")
 972           SetStatusText(helpString);
 973       }
 974     }
 975   }
 976 }
 977 #endif
 978
 979 wxMenuBar *wxFrame::GetMenuBar(void) const
 980 {
 981   return m_frameMenuBar;
 982 }
 983
 984 void wxFrame::Centre(const int direction)
 985 {
 986   int display_width, display_height, width, height, x, y;
 987   wxDisplaySize(&display_width, &display_height);
 988
 989   GetSize(&width, &height);
 990   GetPosition(&x, &y);
 991
 992   if (direction & wxHORIZONTAL)
 993     x = (int)((display_width - width)/2);
 994   if (direction & wxVERTICAL)
 995     y = (int)((display_height - height)/2);
 996
 997   SetSize(x, y, width, height);
 998 }
 999
1000 // Call this to simulate a menu command
1001 void wxFrame::Command(int id)
1002 {
1003   ProcessCommand(id);
1004 }
1005
1006 void wxFrame::ProcessCommand(int id)
1007 {
1008   wxCommandEvent commandEvent(wxEVENT_TYPE_MENU_COMMAND, id);
1009   commandEvent.SetInt( id );
1010   commandEvent.SetEventObject( this );
1011
1012   wxMenuBar *bar = GetMenuBar() ;
1013   if (!bar)
1014     return;
1015
1016   // Motif does the job by itself!!
1017 #ifndef __MOTIF__
1018   wxMenuItem *item = bar->FindItemForId(id) ;
1019   if (item && item->IsCheckable())
1020   {
1021 //wxDebugMsg("Toggling id %d\n",id) ;
1022     bar->Check(id,!bar->Checked(id)) ;
1023   }
1024 #endif
1025   if (!ProcessEvent(commandEvent))
1026     OldOnMenuCommand(id);
1027 }
1028
1029 void wxFrame::OnIdle(wxIdleEvent& event)
1030 {
1031   DoMenuUpdates();
1032 }
1033
1034 // Query app for menu item updates (called from OnIdle)
1035 void wxFrame::DoMenuUpdates(void)
1036 {
1037   wxMenuBar* bar = GetMenuBar();
1038   if (!bar)
1039     return;
1040
1041   int i;
1042   for (i = 0; i < bar->m_menuCount; i++)
1043   {
1044     wxMenu* menu = bar->m_menus[i];
1045
1046     DoMenuUpdates(menu);
1047   }
1048 }
1049
1050 void wxFrame::DoMenuUpdates(wxMenu* menu)
1051 {
1052   wxNode* node = menu->m_menuItems.First();
1053   while (node)
1054   {
1055     wxMenuItem* item = (wxMenuItem*) node->Data();
1056     if ( !item->IsSeparator() )
1057     {
1058         wxWindowID id = item->GetId();
1059       wxUpdateUIEvent event(id);
1060       event.SetEventObject( this );
1061
1062       if (GetEventHandler()->ProcessEvent(event))
1063       {
1064         if (event.GetSetText())
1065           menu->SetLabel(id, event.GetText());
1066         if (event.GetSetChecked())
1067           menu->Check(id, event.GetChecked());
1068         if (event.GetSetEnabled())
1069           menu->Enable(id, event.GetEnabled());
1070       }
1071
1072       if (item->GetSubMenu())
1073         DoMenuUpdates(item->GetSubMenu());
1074     }
1075     node = node->Next();
1076   }
1077 }