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 // WX_PRECOMP
  33
  34 #include "wx/msw/private.h"
  35 #include "wx/statusbr.h"
  36 #include "wx/toolbar.h"
  37 #include "wx/menuitem.h"
  38
  39 #ifdef LoadAccelerators
  40 #undef LoadAccelerators
  41 #endif
  42
  43 #if wxUSE_NATIVE_STATUSBAR
  44     #include <wx/msw/statbr95.h>
  45 #endif
  46
  47 extern wxList wxModelessWindows;
  48 extern wxList WXDLLEXPORT wxPendingDelete;
  49 extern char wxFrameClassName[];
  50 extern wxMenu *wxCurrentPopupMenu;
  51
  52 #if !USE_SHARED_LIBRARY
  53 BEGIN_EVENT_TABLE(wxFrame, wxWindow)
  54   EVT_SIZE(wxFrame::OnSize)
  55   EVT_ACTIVATE(wxFrame::OnActivate)
  56   EVT_MENU_HIGHLIGHT_ALL(wxFrame::OnMenuHighlight)
  57   EVT_SYS_COLOUR_CHANGED(wxFrame::OnSysColourChanged)
  58   EVT_IDLE(wxFrame::OnIdle)
  59   EVT_CLOSE(wxFrame::OnCloseWindow)
  60 END_EVENT_TABLE()
  61
  62 IMPLEMENT_DYNAMIC_CLASS(wxFrame, wxWindow)
  63 #endif
  64
  65 #if wxUSE_NATIVE_STATUSBAR
  66     bool wxFrame::m_useNativeStatusBar = TRUE;
  67 #else
  68     bool wxFrame::m_useNativeStatusBar = FALSE;
  69 #endif
  70
  71 wxFrame::wxFrame()
  72 {
  73   m_frameToolBar = NULL ;
  74   m_frameMenuBar = NULL;
  75   m_frameStatusBar = NULL;
  76
  77   m_windowParent = NULL;
  78   m_iconized = FALSE;
  79 }
  80
  81 bool wxFrame::Create(wxWindow *parent,
  82            wxWindowID id,
  83            const wxString& title,
  84            const wxPoint& pos,
  85            const wxSize& size,
  86            long style,
  87            const wxString& name)
  88 {
  89 #if wxUSE_TOOLTIPS
  90     m_hwndToolTip = 0;
  91 #endif
  92
  93   if (!parent)
  94     wxTopLevelWindows.Append(this);
  95
  96   SetName(name);
  97 //  m_modalShowing = FALSE;
  98   m_windowStyle = style;
  99   m_frameMenuBar = NULL;
 100   m_frameToolBar = NULL ;
 101   m_frameStatusBar = NULL;
 102
 103   SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
 104
 105 //  m_icon = NULL;
 106   if ( id > -1 )
 107     m_windowId = id;
 108   else
 109     m_windowId = (int)NewControlId();
 110
 111   if (parent) parent->AddChild(this);
 112
 113   int x = pos.x;
 114   int y = pos.y;
 115   int width = size.x;
 116   int height = size.y;
 117
 118   m_iconized = FALSE;
 119
 120   // we pass NULL as parent to MSWCreate because frames with parents behave
 121   // very strangely under Win95 shell
 122   MSWCreate(m_windowId, NULL, wxFrameClassName, this, title,
 123             x, y, width, height, style);
 124
 125   wxModelessWindows.Append(this);
 126   return TRUE;
 127 }
 128
 129 wxFrame::~wxFrame()
 130 {
 131   m_isBeingDeleted = TRUE;
 132   wxTopLevelWindows.DeleteObject(this);
 133
 134   if (m_frameStatusBar)
 135     delete m_frameStatusBar;
 136   if (m_frameMenuBar)
 137     delete m_frameMenuBar;
 138
 139 /* New behaviour March 1998: check if it's the last top-level window */
 140 //  if (wxTheApp && (this == wxTheApp->GetTopWindow()))
 141
 142   if (wxTheApp && (wxTopLevelWindows.Number() == 0))
 143   {
 144     wxTheApp->SetTopWindow(NULL);
 145
 146     if (wxTheApp->GetExitOnFrameDelete())
 147     {
 148        PostQuitMessage(0);
 149     }
 150   }
 151
 152   wxModelessWindows.DeleteObject(this);
 153
 154   // For some reason, wxWindows can activate another task altogether
 155   // when a frame is destroyed after a modal dialog has been invoked.
 156   // Try to bring the parent to the top.
 157   if (GetParent() && GetParent()->GetHWND())
 158     ::BringWindowToTop((HWND) GetParent()->GetHWND());
 159 }
 160
 161 WXHMENU wxFrame::GetWinMenu() const
 162 {
 163   return m_hMenu;
 164 }
 165
 166 // Get size *available for subwindows* i.e. excluding menu bar, toolbar etc.
 167 void wxFrame::GetClientSize(int *x, int *y) const
 168 {
 169   RECT rect;
 170   GetClientRect((HWND) GetHWND(), &rect);
 171
 172   if ( GetStatusBar() )
 173   {
 174     int statusX, statusY;
 175     GetStatusBar()->GetClientSize(&statusX, &statusY);
 176     rect.bottom -= statusY;
 177   }
 178
 179   wxPoint pt(GetClientAreaOrigin());
 180   rect.bottom -= pt.y;
 181   rect.right -= pt.x;
 182
 183   *x = rect.right;
 184   *y = rect.bottom;
 185 }
 186
 187 // Set the client size (i.e. leave the calculation of borders etc.
 188 // to wxWindows)
 189 void wxFrame::DoSetClientSize(int width, int height)
 190 {
 191   HWND hWnd = (HWND) GetHWND();
 192
 193   RECT rect;
 194   GetClientRect(hWnd, &rect);
 195
 196   RECT rect2;
 197   GetWindowRect(hWnd, &rect2);
 198
 199   // Find the difference between the entire window (title bar and all)
 200   // and the client area; add this to the new client size to move the
 201   // window
 202   int actual_width = rect2.right - rect2.left - rect.right + width;
 203   int actual_height = rect2.bottom - rect2.top - rect.bottom + height;
 204
 205   if ( GetStatusBar() )
 206   {
 207     int statusX, statusY;
 208     GetStatusBar()->GetClientSize(&statusX, &statusY);
 209     actual_height += statusY;
 210   }
 211
 212   wxPoint pt(GetClientAreaOrigin());
 213   actual_width += pt.y;
 214   actual_height += pt.x;
 215
 216   POINT point;
 217   point.x = rect2.left;
 218   point.y = rect2.top;
 219
 220   MoveWindow(hWnd, point.x, point.y, actual_width, actual_height, (BOOL)TRUE);
 221
 222   wxSizeEvent event(wxSize(width, height), m_windowId);
 223   event.SetEventObject( this );
 224   GetEventHandler()->ProcessEvent(event);
 225 }
 226
 227 void wxFrame::GetSize(int *width, int *height) const
 228 {
 229   RECT rect;
 230   GetWindowRect((HWND) GetHWND(), &rect);
 231   *width = rect.right - rect.left;
 232   *height = rect.bottom - rect.top;
 233 }
 234
 235 void wxFrame::GetPosition(int *x, int *y) const
 236 {
 237   RECT rect;
 238   GetWindowRect((HWND) GetHWND(), &rect);
 239   POINT point;
 240   point.x = rect.left;
 241   point.y = rect.top;
 242
 243   *x = point.x;
 244   *y = point.y;
 245 }
 246
 247 void wxFrame::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 248 {
 249   int currentX, currentY;
 250   int x1 = x;
 251   int y1 = y;
 252   int w1 = width;
 253   int h1 = height;
 254
 255   GetPosition(&currentX, &currentY);
 256   if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 257     x1 = currentX;
 258   if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 259     y1 = currentY;
 260
 261   int ww,hh ;
 262   GetSize(&ww,&hh) ;
 263   if (width == -1) w1 = ww ;
 264   if (height==-1) h1 = hh ;
 265
 266   MoveWindow((HWND) GetHWND(), x1, y1, w1, h1, (BOOL)TRUE);
 267
 268   wxSizeEvent event(wxSize(width, height), m_windowId);
 269   event.SetEventObject( this );
 270   GetEventHandler()->ProcessEvent(event);
 271 }
 272
 273 bool wxFrame::Show(bool show)
 274 {
 275   int cshow;
 276   if (show)
 277     cshow = SW_SHOW;
 278   else
 279     cshow = SW_HIDE;
 280
 281   if (!show)
 282   {
 283     // Try to highlight the correct window (the parent)
 284     HWND hWndParent = 0;
 285     if (GetParent())
 286     {
 287       hWndParent = (HWND) GetParent()->GetHWND();
 288       if (hWndParent)
 289         ::BringWindowToTop(hWndParent);
 290     }
 291   }
 292
 293   ShowWindow((HWND) GetHWND(), (BOOL)cshow);
 294   if (show)
 295   {
 296     BringWindowToTop((HWND) GetHWND());
 297
 298     wxActivateEvent event(wxEVT_ACTIVATE, TRUE, m_windowId);
 299     event.SetEventObject( this );
 300     GetEventHandler()->ProcessEvent(event);
 301   }
 302   return TRUE;
 303 }
 304
 305 void wxFrame::Iconize(bool iconize)
 306 {
 307   if (!iconize)
 308     Show(TRUE);
 309
 310   int cshow;
 311   if (iconize)
 312     cshow = SW_MINIMIZE;
 313   else
 314     cshow = SW_RESTORE;
 315   ShowWindow((HWND) GetHWND(), (BOOL)cshow);
 316   m_iconized = iconize;
 317 }
 318
 319 // Equivalent to maximize/restore in Windows
 320 void wxFrame::Maximize(bool maximize)
 321 {
 322   Show(TRUE);
 323   int cshow;
 324   if (maximize)
 325     cshow = SW_MAXIMIZE;
 326   else
 327     cshow = SW_RESTORE;
 328   ShowWindow((HWND) GetHWND(), cshow);
 329   m_iconized = FALSE;
 330 }
 331
 332 bool wxFrame::IsIconized() const
 333 {
 334   ((wxFrame *)this)->m_iconized = (::IsIconic((HWND) GetHWND()) != 0);
 335   return m_iconized;
 336 }
 337
 338 // Is it maximized?
 339 bool wxFrame::IsMaximized() const
 340 {
 341     return (::IsZoomed((HWND) GetHWND()) != 0) ;
 342 }
 343
 344 void wxFrame::SetTitle(const wxString& title)
 345 {
 346   SetWindowText((HWND) GetHWND(), (const char *)title);
 347 }
 348
 349 wxString wxFrame::GetTitle() const
 350 {
 351   GetWindowText((HWND) GetHWND(), wxBuffer, 1000);
 352   return wxString(wxBuffer);
 353 }
 354
 355 void wxFrame::SetIcon(const wxIcon& icon)
 356 {
 357   m_icon = icon;
 358 #if defined(__WIN95__)
 359   if ( m_icon.Ok() )
 360     SendMessage((HWND) GetHWND(), WM_SETICON,
 361                 (WPARAM)TRUE, (LPARAM)(HICON) m_icon.GetHICON());
 362 #endif
 363 }
 364
 365 wxStatusBar *wxFrame::OnCreateStatusBar(int number, long style, wxWindowID id,
 366     const wxString& name)
 367 {
 368     wxStatusBar *statusBar = NULL;
 369
 370 #if wxUSE_NATIVE_STATUSBAR
 371     if (UsesNativeStatusBar())
 372     {
 373         statusBar = new wxStatusBar95(this, id, style);
 374     }
 375     else
 376 #endif
 377     {
 378         statusBar = new wxStatusBar(this, id, wxPoint(0, 0), wxSize(100, 20),
 379             style, name);
 380
 381         // Set the height according to the font and the border size
 382         wxClientDC dc(statusBar);
 383         dc.SetFont(statusBar->GetFont());
 384
 385         long x, y;
 386         dc.GetTextExtent("X", &x, &y);
 387
 388         int height = (int)( (y  * 1.1) + 2* statusBar->GetBorderY());
 389
 390         statusBar->SetSize(-1, -1, 100, height);
 391     }
 392
 393   statusBar->SetFieldsCount(number);
 394   return statusBar;
 395 }
 396
 397 wxStatusBar* wxFrame::CreateStatusBar(int number, long style, wxWindowID id,
 398     const wxString& name)
 399 {
 400   // VZ: calling CreateStatusBar twice is an error - why anyone would do it?
 401   wxCHECK_MSG( m_frameStatusBar == NULL, FALSE,
 402                "recreating status bar in wxFrame" );
 403
 404   m_frameStatusBar = OnCreateStatusBar(number, style, id,
 405     name);
 406   if ( m_frameStatusBar )
 407   {
 408     PositionStatusBar();
 409     return m_frameStatusBar;
 410   }
 411   else
 412     return NULL;
 413 }
 414
 415 void wxFrame::SetStatusText(const wxString& text, int number)
 416 {
 417   wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set text for" );
 418
 419   m_frameStatusBar->SetStatusText(text, number);
 420 }
 421
 422 void wxFrame::SetStatusWidths(int n, const int widths_field[])
 423 {
 424   wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set widths for" );
 425
 426   m_frameStatusBar->SetStatusWidths(n, widths_field);
 427   PositionStatusBar();
 428 }
 429
 430 void wxFrame::PositionStatusBar()
 431 {
 432   // native status bar positions itself
 433   if (m_frameStatusBar
 434 #if wxUSE_NATIVE_STATUSBAR
 435    && !m_frameStatusBar->IsKindOf(CLASSINFO(wxStatusBar95))
 436 #endif
 437     )
 438   {
 439       int w, h;
 440       GetClientSize(&w, &h);
 441       int sw, sh;
 442       m_frameStatusBar->GetSize(&sw, &sh);
 443
 444       // Since we wish the status bar to be directly under the client area,
 445       // we use the adjusted sizes without using wxSIZE_NO_ADJUSTMENTS.
 446       m_frameStatusBar->SetSize(0, h, w, sh);
 447   }
 448 }
 449
 450 void wxFrame::SetMenuBar(wxMenuBar *menu_bar)
 451 {
 452   if (!menu_bar)
 453   {
 454     m_frameMenuBar = NULL;
 455     return;
 456   }
 457
 458   if (menu_bar->m_menuBarFrame)
 459    return;
 460
 461   int i;
 462   HMENU menu = CreateMenu();
 463
 464   for (i = 0; i < menu_bar->m_menuCount; i ++)
 465   {
 466     HMENU popup = (HMENU)menu_bar->m_menus[i]->m_hMenu;
 467     //
 468     // After looking Bounds Checker result, it seems that all
 469     // menus must be individually destroyed. So, don't reset m_hMenu,
 470     // to  allow ~wxMenu to do the job.
 471     //
 472     menu_bar->m_menus[i]->m_savehMenu = (WXHMENU) popup;
 473     // Uncommenting for the moment... JACS
 474     menu_bar->m_menus[i]->m_hMenu = 0;
 475     AppendMenu(menu, MF_POPUP | MF_STRING, (UINT)popup, menu_bar->m_titles[i]);
 476   }
 477
 478   menu_bar->m_hMenu = (WXHMENU)menu;
 479   if (m_frameMenuBar)
 480     delete m_frameMenuBar;
 481
 482   this->m_hMenu = (WXHMENU) menu;
 483
 484   DWORD err = 0;
 485   if (!SetMenu((HWND) GetHWND(), menu))
 486   {
 487 #ifdef __WIN32__
 488     err = GetLastError();
 489 #endif
 490   }
 491
 492   m_frameMenuBar = menu_bar;
 493   menu_bar->m_menuBarFrame = this;
 494 }
 495
 496 #if 0
 497 bool wxFrame::LoadAccelerators(const wxString& table)
 498 {
 499   m_acceleratorTable = (WXHANDLE)
 500 #ifdef __WIN32__
 501 #ifdef UNICODE
 502      ::LoadAcceleratorsW(wxGetInstance(), (const char *)table);
 503 #else
 504      ::LoadAcceleratorsA(wxGetInstance(), (const char *)table);
 505 #endif
 506 #else
 507      ::LoadAccelerators(wxGetInstance(), (const char *)table);
 508 #endif
 509
 510   // The above is necessary because LoadAccelerators is a macro
 511   // which we have undefed earlier in the file to avoid confusion
 512   // with wxFrame::LoadAccelerators. Ugh!
 513
 514   return (m_acceleratorTable != (WXHANDLE) NULL);
 515 }
 516 #endif
 517
 518 void wxFrame::Fit()
 519 {
 520   // Work out max. size
 521   wxNode *node = GetChildren().First();
 522   int max_width = 0;
 523   int max_height = 0;
 524   while (node)
 525   {
 526     // Find a child that's a subwindow, but not a dialog box.
 527     wxWindow *win = (wxWindow *)node->Data();
 528
 529     if (!win->IsKindOf(CLASSINFO(wxFrame)) &&
 530          !win->IsKindOf(CLASSINFO(wxDialog)))
 531     {
 532       int width, height;
 533       int x, y;
 534       win->GetSize(&width, &height);
 535       win->GetPosition(&x, &y);
 536
 537       if ((x + width) > max_width)
 538         max_width = x + width;
 539       if ((y + height) > max_height)
 540         max_height = y + height;
 541     }
 542     node = node->Next();
 543   }
 544   SetClientSize(max_width, max_height);
 545 }
 546
 547 // Responds to colour changes, and passes event on to children.
 548 void wxFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 549 {
 550     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
 551     Refresh();
 552
 553     if ( m_frameStatusBar )
 554     {
 555         wxSysColourChangedEvent event2;
 556         event2.SetEventObject( m_frameStatusBar );
 557         m_frameStatusBar->GetEventHandler()->ProcessEvent(event2);
 558     }
 559
 560     // Propagate the event to the non-top-level children
 561     wxWindow::OnSysColourChanged(event);
 562 }
 563
 564 /*
 565  * Frame window
 566  *
 567  */
 568
 569 void wxFrame::MSWCreate(int id, wxWindow *parent, const char *wclass, wxWindow *wx_win, const char *title,
 570                    int x, int y, int width, int height, long style)
 571
 572 {
 573   m_defaultIcon = (WXHICON) (wxSTD_FRAME_ICON ? wxSTD_FRAME_ICON : wxDEFAULT_FRAME_ICON);
 574
 575   // If child windows aren't properly drawn initially, WS_CLIPCHILDREN
 576   // could be the culprit. But without it, you can get a lot of flicker.
 577
 578   DWORD msflags = 0;
 579   if ((style & wxCAPTION) == wxCAPTION)
 580     msflags = WS_OVERLAPPED;
 581   else
 582     msflags = WS_POPUP;
 583
 584   if (style & wxMINIMIZE_BOX)
 585     msflags |= WS_MINIMIZEBOX;
 586   if (style & wxMAXIMIZE_BOX)
 587     msflags |= WS_MAXIMIZEBOX;
 588   if (style & wxTHICK_FRAME)
 589     msflags |= WS_THICKFRAME;
 590   if (style & wxSYSTEM_MENU)
 591     msflags |= WS_SYSMENU;
 592   if ((style & wxMINIMIZE) || (style & wxICONIZE))
 593     msflags |= WS_MINIMIZE;
 594   if (style & wxMAXIMIZE)
 595     msflags |= WS_MAXIMIZE;
 596   if (style & wxCAPTION)
 597     msflags |= WS_CAPTION;
 598   if (style & wxCLIP_CHILDREN)
 599     msflags |= WS_CLIPCHILDREN;
 600
 601   // Keep this in wxFrame because it saves recoding this function
 602   // in wxTinyFrame
 603 #if wxUSE_ITSY_BITSY
 604   if (style & wxTINY_CAPTION_VERT)
 605     msflags |= IBS_VERTCAPTION;
 606   if (style & wxTINY_CAPTION_HORIZ)
 607     msflags |= IBS_HORZCAPTION;
 608 #else
 609   if (style & wxTINY_CAPTION_VERT)
 610     msflags |= WS_CAPTION;
 611   if (style & wxTINY_CAPTION_HORIZ)
 612     msflags |= WS_CAPTION;
 613 #endif
 614   if ((style & wxTHICK_FRAME) == 0)
 615     msflags |= WS_BORDER;
 616
 617   WXDWORD extendedStyle = MakeExtendedStyle(style);
 618
 619 #if !defined(__WIN16__) && !defined(__SC__)
 620   if (style & wxFRAME_TOOL_WINDOW)
 621     extendedStyle |= WS_EX_TOOLWINDOW;
 622 #endif
 623
 624   if (style & wxSTAY_ON_TOP)
 625     extendedStyle |= WS_EX_TOPMOST;
 626
 627   m_iconized = FALSE;
 628   wxWindow::MSWCreate(id, parent, wclass, wx_win, title, x, y, width, height,
 629          msflags, NULL, extendedStyle);
 630   // Seems to be necessary if we use WS_POPUP
 631   // style instead of WS_OVERLAPPED
 632   if (width > -1 && height > -1)
 633     ::PostMessage((HWND) GetHWND(), WM_SIZE, SIZE_RESTORED, MAKELPARAM(width, height));
 634 }
 635
 636 bool wxFrame::MSWOnPaint()
 637 {
 638   RECT rect;
 639   if (GetUpdateRect((HWND) GetHWND(), &rect, FALSE))
 640   {
 641     if (m_iconized)
 642     {
 643       HICON the_icon;
 644       if (m_icon.Ok())
 645         the_icon = (HICON) m_icon.GetHICON();
 646       else
 647         the_icon = (HICON) m_defaultIcon;
 648
 649       PAINTSTRUCT ps;
 650       // Hold a pointer to the dc so long as the OnPaint() message
 651       // is being processed
 652       HDC cdc = BeginPaint((HWND) GetHWND(), &ps);
 653
 654       // Erase background before painting or we get white background
 655       this->MSWDefWindowProc(WM_ICONERASEBKGND,(WORD)(LONG) ps.hdc,0L);
 656
 657       if (the_icon)
 658       {
 659         RECT rect;
 660         GetClientRect((HWND) GetHWND(), &rect);
 661         int icon_width = 32;
 662         int icon_height = 32;
 663         int icon_x = (int)((rect.right - icon_width)/2);
 664         int icon_y = (int)((rect.bottom - icon_height)/2);
 665         DrawIcon(cdc, icon_x, icon_y, the_icon);
 666       }
 667
 668       EndPaint((HWND) GetHWND(), &ps);
 669     }
 670     else
 671     {
 672         wxPaintEvent event(m_windowId);
 673         event.m_eventObject = this;
 674         if (!GetEventHandler()->ProcessEvent(event))
 675             Default();
 676     }
 677     return 0;
 678   }
 679   return 1;
 680 }
 681
 682 WXHICON wxFrame::MSWOnQueryDragIcon()
 683 {
 684   if (m_icon.Ok() && (m_icon.GetHICON() != 0))
 685     return m_icon.GetHICON();
 686   else
 687     return m_defaultIcon;
 688 }
 689
 690 void wxFrame::MSWOnSize(int x, int y, WXUINT id)
 691 {
 692   switch (id)
 693   {
 694     case SIZENORMAL:
 695       // only do it it if we were iconized before, otherwise resizing the
 696       // parent frame has a curious side effect of bringing it under it's
 697       // children
 698       if ( !m_iconized )
 699         break;
 700
 701       // restore all child frames too
 702       IconizeChildFrames(FALSE);
 703
 704       // fall through
 705
 706     case SIZEFULLSCREEN:
 707       m_iconized = FALSE;
 708       break;
 709
 710     case SIZEICONIC:
 711       // iconize all child frames too
 712       IconizeChildFrames(TRUE);
 713
 714       m_iconized = TRUE;
 715       break;
 716   }
 717
 718  if (!m_iconized)
 719  {
 720   // forward WM_SIZE to status bar control
 721 #if wxUSE_NATIVE_STATUSBAR
 722   if (m_frameStatusBar && m_frameStatusBar->IsKindOf(CLASSINFO(wxStatusBar95)))
 723   {
 724     wxSizeEvent event(wxSize(x, y), m_frameStatusBar->GetId());
 725     event.SetEventObject( m_frameStatusBar );
 726
 727     ((wxStatusBar95 *)m_frameStatusBar)->OnSize(event);
 728   }
 729 #endif
 730
 731   PositionStatusBar();
 732   PositionToolBar();
 733
 734   wxSizeEvent event(wxSize(x, y), m_windowId);
 735   event.SetEventObject( this );
 736   if (!GetEventHandler()->ProcessEvent(event))
 737     Default();
 738  }
 739 }
 740
 741 bool wxFrame::MSWOnClose()
 742 {
 743     return Close();
 744 }
 745
 746 bool wxFrame::MSWOnCommand(WXWORD id, WXWORD cmd, WXHWND control)
 747 {
 748   if (cmd == 0 || cmd == 1 ) // Can be either a menu command or an accelerator.
 749   {
 750     // In case it's e.g. a toolbar.
 751     wxWindow *win = wxFindWinFromHandle(control);
 752     if (win)
 753       return win->MSWCommand(cmd, id);
 754
 755     if (wxCurrentPopupMenu)
 756     {
 757         wxMenu *popupMenu = wxCurrentPopupMenu;
 758         wxCurrentPopupMenu = NULL;
 759         if (popupMenu->MSWCommand(cmd, id))
 760             return TRUE;
 761     }
 762
 763     if (GetMenuBar() && GetMenuBar()->FindItemForId(id))
 764     {
 765       ProcessCommand(id);
 766       return TRUE;
 767     }
 768     else
 769       return FALSE;
 770   }
 771   else
 772     return FALSE;
 773 }
 774
 775 void wxFrame::MSWOnMenuHighlight(WXWORD nItem, WXWORD nFlags, WXHMENU hSysMenu)
 776 {
 777   if (nFlags == 0xFFFF && hSysMenu == 0)
 778   {
 779     wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, -1);
 780     event.SetEventObject( this );
 781     GetEventHandler()->ProcessEvent(event);
 782   }
 783   else if (nFlags != MF_SEPARATOR)
 784   {
 785     wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, nItem);
 786     event.SetEventObject( this );
 787     GetEventHandler()->ProcessEvent(event);
 788   }
 789 }
 790
 791 bool wxFrame::MSWProcessMessage(WXMSG* pMsg)
 792 {
 793   return FALSE;
 794 }
 795
 796 bool wxFrame::MSWTranslateMessage(WXMSG* pMsg)
 797 {
 798   if (m_acceleratorTable.Ok() &&
 799           ::TranslateAccelerator((HWND) GetHWND(), (HACCEL) m_acceleratorTable.GetHACCEL(), (MSG *)pMsg))
 800     return TRUE;
 801
 802   return FALSE;
 803 }
 804
 805 // Default resizing behaviour - if only ONE subwindow,
 806 // resize to client rectangle size
 807 void wxFrame::OnSize(wxSizeEvent& event)
 808 {
 809   // if we're using constraints - do use them
 810   #if wxUSE_CONSTRAINTS
 811     if ( GetAutoLayout() ) {
 812       Layout();
 813       return;
 814     }
 815   #endif
 816
 817   // do we have _exactly_ one child?
 818   wxWindow *child = NULL;
 819   for ( wxNode *node = GetChildren().First(); node; node = node->Next() )
 820   {
 821     wxWindow *win = (wxWindow *)node->Data();
 822     if ( !win->IsKindOf(CLASSINFO(wxFrame))  &&
 823          !win->IsKindOf(CLASSINFO(wxDialog)) &&
 824          (win != GetStatusBar()) &&
 825          (win != GetToolBar()) )
 826     {
 827       if ( child )
 828         return;     // it's our second subwindow - nothing to do
 829       child = win;
 830     }
 831   }
 832
 833   if ( child ) {
 834     // we have exactly one child - set it's size to fill the whole frame
 835     int clientW, clientH;
 836     GetClientSize(&clientW, &clientH);
 837
 838     int x = 0;
 839     int y = 0;
 840
 841     child->SetSize(x, y, clientW, clientH);
 842   }
 843 }
 844
 845 // Default activation behaviour - set the focus for the first child
 846 // subwindow found.
 847 void wxFrame::OnActivate(wxActivateEvent& event)
 848 {
 849   for(wxNode *node = GetChildren().First(); node; node = node->Next())
 850   {
 851     // Find a child that's a subwindow, but not a dialog box.
 852     wxWindow *child = (wxWindow *)node->Data();
 853     if (!child->IsKindOf(CLASSINFO(wxFrame)) &&
 854          !child->IsKindOf(CLASSINFO(wxDialog)))
 855     {
 856       child->SetFocus();
 857       return;
 858     }
 859   }
 860 }
 861
 862 // The default implementation for the close window event.
 863 void wxFrame::OnCloseWindow(wxCloseEvent& event)
 864 {
 865     this->Destroy();
 866 }
 867
 868 // Destroy the window (delayed, if a managed window)
 869 bool wxFrame::Destroy()
 870 {
 871   if (!wxPendingDelete.Member(this))
 872     wxPendingDelete.Append(this);
 873   return TRUE;
 874 }
 875
 876 // Default menu selection behaviour - display a help string
 877 void wxFrame::OnMenuHighlight(wxMenuEvent& event)
 878 {
 879   if (GetStatusBar())
 880   {
 881     if (event.GetMenuId() == -1)
 882       SetStatusText("");
 883     else
 884     {
 885       wxMenuBar *menuBar = GetMenuBar();
 886       if (menuBar)
 887       {
 888 // #ifndef __SALFORDC__
 889         int menuId = event.GetMenuId();
 890         wxString helpString;
 891         // This causes a spurious access violation with Salford C++
 892         helpString = menuBar->GetHelpString(menuId);
 893         if (helpString != "")
 894             SetStatusText(helpString);
 895 // #endif
 896       }
 897     }
 898   }
 899 }
 900
 901 wxMenuBar *wxFrame::GetMenuBar() const
 902 {
 903   return m_frameMenuBar;
 904 }
 905
 906 void wxFrame::Centre(int direction)
 907 {
 908   int display_width, display_height, width, height, x, y;
 909   wxDisplaySize(&display_width, &display_height);
 910
 911   GetSize(&width, &height);
 912   GetPosition(&x, &y);
 913
 914   if (direction & wxHORIZONTAL)
 915     x = (int)((display_width - width)/2);
 916   if (direction & wxVERTICAL)
 917     y = (int)((display_height - height)/2);
 918
 919   SetSize(x, y, width, height);
 920 }
 921
 922 // Call this to simulate a menu command
 923 void wxFrame::Command(int id)
 924 {
 925   ProcessCommand(id);
 926 }
 927
 928 void wxFrame::ProcessCommand(int id)
 929 {
 930   wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, id);
 931   commandEvent.SetInt( id );
 932   commandEvent.SetEventObject( this );
 933
 934   wxMenuBar *bar = GetMenuBar() ;
 935   if (!bar)
 936     return;
 937
 938   wxMenuItem *item = bar->FindItemForId(id) ;
 939   if (item && item->IsCheckable())
 940   {
 941     bar->Check(id,!bar->Checked(id)) ;
 942   }
 943   GetEventHandler()->ProcessEvent(commandEvent);
 944 }
 945
 946 // Checks if there is a toolbar, and returns the first free client position
 947 wxPoint wxFrame::GetClientAreaOrigin() const
 948 {
 949     wxPoint pt(0, 0);
 950     if (GetToolBar())
 951     {
 952         int w, h;
 953         GetToolBar()->GetSize(& w, & h);
 954
 955         if (GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL)
 956         {
 957             pt.x += w;
 958         }
 959         else
 960         {
 961             pt.y += h;
 962         }
 963     }
 964     return pt;
 965 }
 966
 967 void wxFrame::ScreenToClient(int *x, int *y) const
 968 {
 969     wxWindow::ScreenToClient(x, y);
 970
 971     // We may be faking the client origin.
 972     // So a window that's really at (0, 30) may appear
 973     // (to wxWin apps) to be at (0, 0).
 974     wxPoint pt(GetClientAreaOrigin());
 975     *x -= pt.x;
 976     *y -= pt.y;
 977 }
 978
 979 void wxFrame::ClientToScreen(int *x, int *y) const
 980 {
 981     // We may be faking the client origin.
 982     // So a window that's really at (0, 30) may appear
 983     // (to wxWin apps) to be at (0, 0).
 984     wxPoint pt1(GetClientAreaOrigin());
 985     *x += pt1.x;
 986     *y += pt1.y;
 987
 988     wxWindow::ClientToScreen(x, y);
 989 }
 990
 991 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
 992 {
 993     wxCHECK_MSG( m_frameToolBar == NULL, FALSE,
 994                "recreating toolbar in wxFrame" );
 995
 996     wxToolBar* toolBar = OnCreateToolBar(style, id, name);
 997     if (toolBar)
 998     {
 999         SetToolBar(toolBar);
1000         PositionToolBar();
1001         return toolBar;
1002     }
1003     else
1004     {
1005         return NULL;
1006     }
1007 }
1008
1009 wxToolBar* wxFrame::OnCreateToolBar(long style, wxWindowID id, const wxString& name)
1010 {
1011     return new wxToolBar(this, id, wxDefaultPosition, wxDefaultSize, style, name);
1012 }
1013
1014 void wxFrame::PositionToolBar()
1015 {
1016     RECT rect;
1017     ::GetClientRect((HWND) GetHWND(), &rect);
1018
1019     if ( GetStatusBar() )
1020     {
1021       int statusX, statusY;
1022       GetStatusBar()->GetClientSize(&statusX, &statusY);
1023       rect.bottom -= statusY;
1024     }
1025
1026     if (GetToolBar())
1027     {
1028         int tw, th;
1029         GetToolBar()->GetSize(& tw, & th);
1030
1031         if (GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL)
1032         {
1033             // Use the 'real' MSW position
1034             GetToolBar()->SetSize(0, 0, tw, rect.bottom, wxSIZE_NO_ADJUSTMENTS);
1035         }
1036         else
1037         {
1038             // Use the 'real' MSW position
1039             GetToolBar()->SetSize(0, 0, rect.right, th, wxSIZE_NO_ADJUSTMENTS);
1040         }
1041     }
1042 }
1043
1044 // propagate our state change to all child frames
1045 void wxFrame::IconizeChildFrames(bool bIconize)
1046 {
1047   for ( wxNode *node = GetChildren().First(); node; node = node->Next() ) {
1048     wxWindow *win = (wxWindow *)node->Data();
1049     if ( win->IsKindOf(CLASSINFO(wxFrame)) ) {
1050       ((wxFrame *)win)->Iconize(bIconize);
1051     }
1052   }
1053 }
1054