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_RET( m_frameStatusBar == NULL, FALSE );
 385
 386   m_frameStatusBar = OnCreateStatusBar(number);
 387   if ( m_frameStatusBar )
 388   {
 389     PositionStatusBar();
 390     return TRUE;
 391   }
 392   else
 393     return FALSE;
 394 }
 395
 396 void wxFrame::SetStatusText(const wxString& text, const int number)
 397 {
 398   wxCHECK( m_frameStatusBar != NULL );
 399
 400   m_frameStatusBar->SetStatusText(text, number);
 401 }
 402
 403 void wxFrame::SetStatusWidths(const int n, const int *widths_field)
 404 {
 405   wxCHECK( m_frameStatusBar != NULL );
 406
 407   m_frameStatusBar->SetStatusWidths(n, widths_field);
 408   PositionStatusBar();
 409 }
 410
 411 void wxFrame::PositionStatusBar(void)
 412 {
 413   // native status bar positions itself
 414   if (m_frameStatusBar
 415 #if USE_NATIVE_STATUSBAR
 416    && !m_frameStatusBar->IsKindOf(CLASSINFO(wxStatusBar95))
 417 #endif
 418     )
 419   {
 420       int w, h;
 421       GetClientSize(&w, &h);
 422       int sw, sh;
 423       m_frameStatusBar->GetSize(&sw, &sh);
 424       m_frameStatusBar->SetSize(0, h, w, sh);
 425   }
 426 }
 427
 428 void wxFrame::SetMenuBar(wxMenuBar *menu_bar)
 429 {
 430   if (!menu_bar)
 431   {
 432     m_frameMenuBar = NULL;
 433     return;
 434   }
 435
 436   if (menu_bar->m_menuBarFrame)
 437    return;
 438
 439   int i;
 440   HMENU menu = CreateMenu();
 441
 442   for (i = 0; i < menu_bar->m_menuCount; i ++)
 443   {
 444     HMENU popup = (HMENU)menu_bar->m_menus[i]->m_hMenu;
 445     //
 446     // After looking Bounds Checker result, it seems that all
 447     // menus must be individually destroyed. So, don't reset m_hMenu,
 448     // to  allow ~wxMenu to do the job.
 449     //
 450     menu_bar->m_menus[i]->m_savehMenu = (WXHMENU) popup;
 451     // Uncommenting for the moment... JACS
 452     menu_bar->m_menus[i]->m_hMenu = 0;
 453     AppendMenu(menu, MF_POPUP | MF_STRING, (UINT)popup, menu_bar->m_titles[i]);
 454   }
 455
 456   menu_bar->m_hMenu = (WXHMENU)menu;
 457   if (m_frameMenuBar)
 458     delete m_frameMenuBar;
 459
 460   this->m_hMenu = (WXHMENU) menu;
 461
 462   DWORD err = 0;
 463   if (!SetMenu((HWND) GetHWND(), menu))
 464   {
 465 #ifdef __WIN32__
 466     err = GetLastError();
 467 #endif
 468   }
 469
 470   m_frameMenuBar = menu_bar;
 471   menu_bar->m_menuBarFrame = this;
 472 }
 473
 474 bool wxFrame::LoadAccelerators(const wxString& table)
 475 {
 476   m_acceleratorTable = (WXHANDLE)
 477 #ifdef __WIN32__
 478 #ifdef UNICODE
 479      ::LoadAcceleratorsW(wxGetInstance(), (const char *)table);
 480 #else
 481      ::LoadAcceleratorsA(wxGetInstance(), (const char *)table);
 482 #endif
 483 #else
 484      ::LoadAccelerators(wxGetInstance(), (const char *)table);
 485 #endif
 486
 487   // The above is necessary because LoadAccelerators is a macro
 488   // which we have undefed earlier in the file to avoid confusion
 489   // with wxFrame::LoadAccelerators. Ugh!
 490
 491   return (m_acceleratorTable != (WXHANDLE) NULL);
 492 }
 493
 494 void wxFrame::Fit(void)
 495 {
 496   // Work out max. size
 497   wxNode *node = GetChildren()->First();
 498   int max_width = 0;
 499   int max_height = 0;
 500   while (node)
 501   {
 502     // Find a child that's a subwindow, but not a dialog box.
 503     wxWindow *win = (wxWindow *)node->Data();
 504
 505     if (!win->IsKindOf(CLASSINFO(wxFrame)) &&
 506          !win->IsKindOf(CLASSINFO(wxDialog)))
 507     {
 508       int width, height;
 509       int x, y;
 510       win->GetSize(&width, &height);
 511       win->GetPosition(&x, &y);
 512
 513       if ((x + width) > max_width)
 514         max_width = x + width;
 515       if ((y + height) > max_height)
 516         max_height = y + height;
 517     }
 518     node = node->Next();
 519   }
 520   SetClientSize(max_width, max_height);
 521 }
 522
 523 // Responds to colour changes, and passes event on to children.
 524 void wxFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 525 {
 526     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
 527     Refresh();
 528
 529     if ( m_frameStatusBar )
 530     {
 531         wxSysColourChangedEvent event2;
 532         event2.SetEventObject( m_frameStatusBar );
 533         m_frameStatusBar->ProcessEvent(event2);
 534     }
 535
 536     // Propagate the event to the non-top-level children
 537     wxWindow::OnSysColourChanged(event);
 538 }
 539
 540 /*
 541  * Frame window
 542  *
 543  */
 544
 545 void wxFrame::MSWCreate(const int id, wxWindow *parent, const char *wclass, wxWindow *wx_win, const char *title,
 546                    const int x, const int y, const int width, const int height, const long style)
 547
 548 {
 549   m_defaultIcon = (WXHICON) (wxSTD_FRAME_ICON ? wxSTD_FRAME_ICON : wxDEFAULT_FRAME_ICON);
 550
 551   // If child windows aren't properly drawn initially, WS_CLIPCHILDREN
 552   // could be the culprit. But without it, you can get a lot of flicker.
 553
 554 //   DWORD msflags = WS_POPUP | WS_CLIPCHILDREN ;
 555
 556   DWORD msflags = 0;
 557   if ((style & wxCAPTION) == wxCAPTION)
 558     msflags = WS_OVERLAPPED | WS_CLIPCHILDREN ; // WS_POPUP | WS_CLIPCHILDREN ;
 559   else
 560     msflags = WS_POPUP | WS_CLIPCHILDREN ;
 561
 562   if (style & wxMINIMIZE_BOX)
 563     msflags |= WS_MINIMIZEBOX;
 564   if (style & wxMAXIMIZE_BOX)
 565     msflags |= WS_MAXIMIZEBOX;
 566   if (style & wxTHICK_FRAME)
 567     msflags |= WS_THICKFRAME;
 568   if (style & wxSYSTEM_MENU)
 569     msflags |= WS_SYSMENU;
 570   if ((style & wxMINIMIZE) || (style & wxICONIZE))
 571     msflags |= WS_MINIMIZE;
 572   if (style & wxMAXIMIZE)
 573     msflags |= WS_MAXIMIZE;
 574   if (style & wxCAPTION)
 575     msflags |= WS_CAPTION;
 576
 577   // Keep this in wxFrame because it saves recoding this function
 578   // in wxTinyFrame
 579 #if USE_ITSY_BITSY
 580   if (style & wxTINY_CAPTION_VERT)
 581     msflags |= IBS_VERTCAPTION;
 582   if (style & wxTINY_CAPTION_HORIZ)
 583     msflags |= IBS_HORZCAPTION;
 584 #else
 585   if (style & wxTINY_CAPTION_VERT)
 586     msflags |= WS_CAPTION;
 587   if (style & wxTINY_CAPTION_HORIZ)
 588     msflags |= WS_CAPTION;
 589 #endif
 590   if ((style & wxTHICK_FRAME) == 0)
 591     msflags |= WS_BORDER;
 592
 593   WXDWORD extendedStyle = MakeExtendedStyle(style);
 594
 595   if (style & wxSTAY_ON_TOP)
 596     extendedStyle |= WS_EX_TOPMOST;
 597
 598   m_iconized = FALSE;
 599   wxWindow::MSWCreate(id, parent, wclass, wx_win, title, x, y, width, height,
 600          msflags, NULL, extendedStyle);
 601   // Seems to be necessary if we use WS_POPUP
 602   // style instead of WS_OVERLAPPED
 603   if (width > -1 && height > -1)
 604     ::PostMessage((HWND) GetHWND(), WM_SIZE, SIZE_RESTORED, MAKELPARAM(width, height));
 605 }
 606
 607 bool wxFrame::MSWOnPaint(void)
 608 {
 609 #if DEBUG > 1
 610   wxDebugMsg("wxFrameWnd::OnPaint %d\n", handle);
 611 #endif
 612   RECT rect;
 613   if (GetUpdateRect((HWND) GetHWND(), &rect, FALSE))
 614   {
 615     if (m_iconized)
 616     {
 617       HICON the_icon;
 618     if (m_icon.Ok())
 619       the_icon = (HICON) m_icon.GetHICON();
 620       if (the_icon == 0)
 621         the_icon = (HICON) m_defaultIcon;
 622
 623       PAINTSTRUCT ps;
 624       // Hold a pointer to the dc so long as the OnPaint() message
 625       // is being processed
 626       HDC cdc = BeginPaint((HWND) GetHWND(), &ps);
 627
 628       // Erase background before painting or we get white background
 629       this->MSWDefWindowProc(WM_ICONERASEBKGND,(WORD)ps.hdc,0L);
 630
 631       if (the_icon)
 632       {
 633         RECT rect;
 634         GetClientRect((HWND) GetHWND(), &rect);
 635         int icon_width = 32;
 636         int icon_height = 32;
 637         int icon_x = (int)((rect.right - icon_width)/2);
 638         int icon_y = (int)((rect.bottom - icon_height)/2);
 639         DrawIcon(cdc, icon_x, icon_y, the_icon);
 640       }
 641
 642       EndPaint((HWND) GetHWND(), &ps);
 643     }
 644
 645     if (!m_iconized)
 646     {
 647 //      m_paintHDC = (WXHDC) cdc;
 648       GetEventHandler()->OldOnPaint();
 649 //      m_paintHDC = NULL;
 650     }
 651     return 0;
 652   }
 653   return 1;
 654 }
 655
 656 WXHICON wxFrame::MSWOnQueryDragIcon(void)
 657 {
 658   if (m_icon.Ok() && (m_icon.GetHICON() != 0))
 659     return m_icon.GetHICON();
 660   else
 661     return m_defaultIcon;
 662 }
 663
 664 void wxFrame::MSWOnSize(const int x, const int y, const WXUINT id)
 665 {
 666 #if DEBUG > 1
 667   wxDebugMsg("wxFrameWnd::OnSize %d\n", m_hWnd);
 668 #endif
 669   switch (id)
 670   {
 671     case SIZEFULLSCREEN:
 672     case SIZENORMAL:
 673       m_iconized = FALSE;
 674     break;
 675     case SIZEICONIC:
 676       m_iconized = TRUE;
 677     break;
 678   }
 679
 680  if (!m_iconized)
 681  {
 682   // forward WM_SIZE to status bar control
 683 #if USE_NATIVE_STATUSBAR
 684   if (m_frameStatusBar && m_frameStatusBar->IsKindOf(CLASSINFO(wxStatusBar95)))
 685   {
 686     wxSizeEvent event(wxSize(x, y), m_frameStatusBar->GetId());
 687     event.SetEventObject( m_frameStatusBar );
 688
 689     ((wxStatusBar95 *)m_frameStatusBar)->OnSize(event);
 690   }
 691 #endif
 692
 693   PositionStatusBar();
 694 #if WXWIN_COMPATIBILITY
 695   GetEventHandler()->OldOnSize(x, y);
 696 #else
 697   wxSizeEvent event(wxSize(x, y), m_windowId);
 698   event.SetEventObject( this );
 699   GetEventHandler()->ProcessEvent(event);
 700 #endif
 701  }
 702 }
 703
 704 bool wxFrame::MSWOnClose(void)
 705 {
 706 #if DEBUG > 1
 707   wxDebugMsg("wxFrameWnd::OnClose %d\n", handle);
 708 #endif
 709     return Close();
 710 }
 711
 712 bool wxFrame::MSWOnCommand(const WXWORD id, const WXWORD cmd, const WXHWND control)
 713 {
 714 #if DEBUG > 1
 715   wxDebugMsg("wxFrameWnd::OnCommand %d\n", handle);
 716 #endif
 717   if (cmd == 0 || cmd == 1 ) // Can be either a menu command or an accelerator.
 718   {
 719     // In case it's e.g. a toolbar.
 720     wxWindow *win = wxFindWinFromHandle(control);
 721     if (win)
 722       return win->MSWCommand(cmd, id);
 723
 724     if (GetMenuBar() && GetMenuBar()->FindItemForId(id))
 725     {
 726       ProcessCommand(id);
 727       return TRUE;
 728     }
 729     else
 730       return FALSE;
 731   }
 732   else
 733     return FALSE;
 734 }
 735
 736 void wxFrame::MSWOnMenuHighlight(const WXWORD nItem, const WXWORD nFlags, const WXHMENU hSysMenu)
 737 {
 738 #if WXWIN_COMPATIBILITY
 739   if (nFlags == 0xFFFF && hSysMenu == 0)
 740     GetEventHandler()->OldOnMenuSelect(-1);
 741   else if (nFlags != MF_SEPARATOR)
 742     GetEventHandler()->OldOnMenuSelect(nItem);
 743 #else
 744   if (nFlags == 0xFFFF && hSysMenu == 0)
 745   {
 746     wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, -1);
 747     event.SetEventObject( this );
 748     GetEventHandler()->ProcessEvent(event);
 749   }
 750   else if (nFlags != MF_SEPARATOR)
 751   {
 752     wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, nItem);
 753     event.SetEventObject( this );
 754     GetEventHandler()->ProcessEvent(event);
 755   }
 756 #endif
 757 }
 758
 759 bool wxFrame::MSWProcessMessage(WXMSG* pMsg)
 760 {
 761   if (m_acceleratorTable != 0 &&
 762           ::TranslateAccelerator((HWND) GetHWND(), (HANDLE) m_acceleratorTable, (MSG *)pMsg))
 763     return TRUE;
 764
 765   return FALSE;
 766 }
 767
 768 // Default resizing behaviour - if only ONE subwindow,
 769 // resize to client rectangle size
 770 void wxFrame::OnSize(wxSizeEvent& event)
 771 {
 772   // Search for a child which is a subwindow, not another frame.
 773   wxWindow *child = NULL;
 774   // Count the number of _subwindow_ children
 775   int noChildren = 0;
 776   for(wxNode *node = GetChildren()->First(); node; node = node->Next())
 777   {
 778     wxWindow *win = (wxWindow *)node->Data();
 779     if (!win->IsKindOf(CLASSINFO(wxFrame)) && !win->IsKindOf(CLASSINFO(wxDialog))
 780       && (win != GetStatusBar()))
 781     {
 782       child = win;
 783       noChildren ++;
 784     }
 785   }
 786
 787   // If not one child, call the Layout function if compiled in
 788   if (!child || (noChildren > 1)
 789 #if USE_CONSTRAINTS
 790    || GetAutoLayout()
 791 #endif
 792    )
 793   {
 794 #if USE_CONSTRAINTS
 795     if (GetAutoLayout())
 796       Layout();
 797 #endif
 798     return;
 799   }
 800
 801   if (child)
 802   {
 803     int client_x, client_y;
 804
 805 #if DEBUG > 1
 806     wxDebugMsg("wxFrame::OnSize: about to set the child's size.\n");
 807 #endif
 808
 809     GetClientSize(&client_x, &client_y);
 810     child->SetSize(0, 0, client_x, client_y);
 811   }
 812
 813 }
 814
 815 // Default activation behaviour - set the focus for the first child
 816 // subwindow found.
 817 void wxFrame::OnActivate(wxActivateEvent& event)
 818 {
 819   for(wxNode *node = GetChildren()->First(); node; node = node->Next())
 820   {
 821     // Find a child that's a subwindow, but not a dialog box.
 822     wxWindow *child = (wxWindow *)node->Data();
 823     if (!child->IsKindOf(CLASSINFO(wxFrame)) &&
 824          !child->IsKindOf(CLASSINFO(wxDialog)))
 825     {
 826 #if DEBUG > 1
 827       wxDebugMsg("wxFrame::OnActivate: about to set the child's focus.\n");
 828 #endif
 829       child->SetFocus();
 830       return;
 831     }
 832   }
 833 }
 834
 835 // The default implementation for the close window event - calls
 836 // OnClose for backward compatibility.
 837
 838 void wxFrame::OnCloseWindow(wxCloseEvent& event)
 839 {
 840     // Compatibility
 841     if ( GetEventHandler()->OnClose() || event.GetForce())
 842     {
 843         this->Destroy();
 844     }
 845 }
 846
 847 // Destroy the window (delayed, if a managed window)
 848 bool wxFrame::Destroy(void)
 849 {
 850   if (!wxPendingDelete.Member(this))
 851     wxPendingDelete.Append(this);
 852   return TRUE;
 853 }
 854
 855 // Default menu selection behaviour - display a help string
 856 void wxFrame::OnMenuHighlight(wxMenuEvent& event)
 857 {
 858   if (GetStatusBar())
 859   {
 860     if (event.GetMenuId() == -1)
 861       SetStatusText("");
 862     else
 863     {
 864       wxMenuBar *menuBar = GetMenuBar();
 865       if (menuBar)
 866       {
 867         wxString helpString(menuBar->GetHelpString(event.GetMenuId()));
 868         if (helpString != "")
 869           SetStatusText(helpString);
 870       }
 871     }
 872   }
 873 }
 874
 875 #if WXWIN_COMPATIBILITY
 876 void wxFrame::OldOnSize(int x, int y)
 877 {
 878 #if WXWIN_COMPATIBILITY == 1
 879   wxSizeEvent event(wxSize(x, y), m_windowId);
 880   event.SetEventObject( this );
 881   if (GetEventHandler()->ProcessEvent(event))
 882   return;
 883 #endif
 884   // Search for a child which is a subwindow, not another frame.
 885   wxWindow *child = NULL;
 886   // Count the number of _subwindow_ children
 887   int noChildren = 0;
 888   for(wxNode *node = GetChildren()->First(); node; node = node->Next())
 889   {
 890     wxWindow *win = (wxWindow *)node->Data();
 891     if (!win->IsKindOf(CLASSINFO(wxFrame)) && !win->IsKindOf(CLASSINFO(wxDialog)) && (win != GetStatusBar()))
 892     {
 893       child = win;
 894       noChildren ++;
 895     }
 896   }
 897
 898   // If not one child, call the Layout function if compiled in
 899   if (!child || (noChildren > 1)
 900 #if USE_CONSTRAINTS
 901    || GetAutoLayout()
 902 #endif
 903    )
 904   {
 905 #if USE_CONSTRAINTS
 906     if (GetAutoLayout())
 907       Layout();
 908 #endif
 909     return;
 910   }
 911
 912   if (child)
 913   {
 914     int client_x, client_y;
 915
 916 #if DEBUG > 1
 917     wxDebugMsg("wxFrame::OnSize: about to set the child's size.\n");
 918 #endif
 919
 920     GetClientSize(&client_x, &client_y);
 921     child->SetSize(0, 0, client_x, client_y);
 922   }
 923 }
 924
 925 // Default activation behaviour - set the focus for the first child
 926 // subwindow found.
 927 void wxFrame::OldOnActivate(bool flag)
 928 {
 929 #if WXWIN_COMPATIBILITY == 1
 930   wxActivateEvent event(wxEVT_ACTIVATE, flag, m_windowId);
 931   event.SetEventObject( this );
 932   if (GetEventHandler()->ProcessEvent(event))
 933   return;
 934 #endif
 935   for(wxNode *node = GetChildren()->First(); node; node = node->Next())
 936   {
 937     // Find a child that's a subwindow, but not a dialog box.
 938     wxWindow *child = (wxWindow *)node->Data();
 939     if (!child->IsKindOf(CLASSINFO(wxFrame)) &&
 940          !child->IsKindOf(CLASSINFO(wxDialog)))
 941     {
 942 #if DEBUG > 1
 943       wxDebugMsg("wxFrame::OnActivate: about to set the child's focus.\n");
 944 #endif
 945       child->SetFocus();
 946       return;
 947     }
 948   }
 949 }
 950
 951 // Default menu selection behaviour - display a help string
 952 void wxFrame::OldOnMenuSelect(int id)
 953 {
 954 #if WXWIN_COMPATIBILITY == 1
 955     wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, id);
 956     event.SetEventObject( this );
 957   if (GetEventHandler()->ProcessEvent(event))
 958     return;
 959 #endif
 960   if (GetStatusBar())
 961   {
 962     if (id == -1)
 963       SetStatusText("");
 964     else
 965     {
 966       wxMenuBar *menuBar = GetMenuBar();
 967       if (menuBar)
 968       {
 969         wxString helpString(menuBar->GetHelpString(id));
 970         if (helpString != "")
 971           SetStatusText(helpString);
 972       }
 973     }
 974   }
 975 }
 976 #endif
 977
 978 wxMenuBar *wxFrame::GetMenuBar(void) const
 979 {
 980   return m_frameMenuBar;
 981 }
 982
 983 void wxFrame::Centre(const int direction)
 984 {
 985   int display_width, display_height, width, height, x, y;
 986   wxDisplaySize(&display_width, &display_height);
 987
 988   GetSize(&width, &height);
 989   GetPosition(&x, &y);
 990
 991   if (direction & wxHORIZONTAL)
 992     x = (int)((display_width - width)/2);
 993   if (direction & wxVERTICAL)
 994     y = (int)((display_height - height)/2);
 995
 996   SetSize(x, y, width, height);
 997 }
 998
 999 // Call this to simulate a menu command
1000 void wxFrame::Command(int id)
1001 {
1002   ProcessCommand(id);
1003 }
1004
1005 void wxFrame::ProcessCommand(int id)
1006 {
1007   wxCommandEvent commandEvent(wxEVENT_TYPE_MENU_COMMAND, id);
1008   commandEvent.SetInt( id );
1009   commandEvent.SetEventObject( this );
1010
1011   wxMenuBar *bar = GetMenuBar() ;
1012   if (!bar)
1013     return;
1014
1015   // Motif does the job by itself!!
1016 #ifndef __MOTIF__
1017   wxMenuItem *item = bar->FindItemForId(id) ;
1018   if (item && item->IsCheckable())
1019   {
1020 //wxDebugMsg("Toggling id %d\n",id) ;
1021     bar->Check(id,!bar->Checked(id)) ;
1022   }
1023 #endif
1024   if (!ProcessEvent(commandEvent))
1025     OldOnMenuCommand(id);
1026 }
1027
1028 void wxFrame::OnIdle(wxIdleEvent& event)
1029 {
1030   DoMenuUpdates();
1031 }
1032
1033 // Query app for menu item updates (called from OnIdle)
1034 void wxFrame::DoMenuUpdates(void)
1035 {
1036   wxMenuBar* bar = GetMenuBar();
1037   if (!bar)
1038     return;
1039
1040   int i;
1041   for (i = 0; i < bar->m_menuCount; i++)
1042   {
1043     wxMenu* menu = bar->m_menus[i];
1044
1045     DoMenuUpdates(menu);
1046   }
1047 }
1048
1049 void wxFrame::DoMenuUpdates(wxMenu* menu)
1050 {
1051   wxNode* node = menu->m_menuItems.First();
1052   while (node)
1053   {
1054     wxMenuItem* item = (wxMenuItem*) node->Data();
1055     if ( !item->IsSeparator() )
1056     {
1057         wxWindowID id = item->GetId();
1058       wxUpdateUIEvent event(id);
1059       event.SetEventObject( this );
1060
1061       if (GetEventHandler()->ProcessEvent(event))
1062       {
1063         if (event.GetSetText())
1064           menu->SetLabel(id, event.GetText());
1065         if (event.GetSetChecked())
1066           menu->Check(id, event.GetChecked());
1067         if (event.GetSetEnabled())
1068           menu->Enable(id, event.GetEnabled());
1069       }
1070
1071       if (item->GetSubMenu())
1072         DoMenuUpdates(item->GetSubMenu());
1073     }
1074     node = node->Next();
1075   }
1076 }