src/msw/frame.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/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 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "frame.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include "wx/setup.h"
  33     #include "wx/frame.h"
  34     #include "wx/menu.h"
  35     #include "wx/app.h"
  36     #include "wx/utils.h"
  37     #include "wx/dialog.h"
  38     #include "wx/settings.h"
  39     #include "wx/dcclient.h"
  40 #endif // WX_PRECOMP
  41
  42 #include "wx/msw/private.h"
  43
  44 #if wxUSE_STATUSBAR
  45     #include "wx/statusbr.h"
  46
  47     #if wxUSE_NATIVE_STATUSBAR
  48         #include "wx/msw/statbr95.h"
  49     #endif
  50 #endif // wxUSE_STATUSBAR
  51
  52 #if wxUSE_TOOLBAR
  53     #include "wx/toolbar.h"
  54 #endif // wxUSE_TOOLBAR
  55
  56 #include "wx/menuitem.h"
  57 #include "wx/log.h"
  58
  59 // ----------------------------------------------------------------------------
  60 // globals
  61 // ----------------------------------------------------------------------------
  62
  63 extern wxWindowList wxModelessWindows;
  64 extern wxList WXDLLEXPORT wxPendingDelete;
  65 extern wxChar wxFrameClassName[];
  66 extern wxMenu *wxCurrentPopupMenu;
  67
  68 // ----------------------------------------------------------------------------
  69 // event tables
  70 // ----------------------------------------------------------------------------
  71
  72 #if !USE_SHARED_LIBRARY
  73 BEGIN_EVENT_TABLE(wxFrame, wxFrameBase)
  74     EVT_ACTIVATE(wxFrame::OnActivate)
  75     EVT_SYS_COLOUR_CHANGED(wxFrame::OnSysColourChanged)
  76 END_EVENT_TABLE()
  77
  78 IMPLEMENT_DYNAMIC_CLASS(wxFrame, wxWindow)
  79 #endif
  80
  81 // ============================================================================
  82 // implementation
  83 // ============================================================================
  84
  85 // ----------------------------------------------------------------------------
  86 // static class members
  87 // ----------------------------------------------------------------------------
  88
  89 #if wxUSE_NATIVE_STATUSBAR
  90     bool wxFrame::m_useNativeStatusBar = TRUE;
  91 #else
  92     bool wxFrame::m_useNativeStatusBar = FALSE;
  93 #endif
  94
  95 // ----------------------------------------------------------------------------
  96 // creation/destruction
  97 // ----------------------------------------------------------------------------
  98
  99 void wxFrame::Init()
 100 {
 101     m_iconized = FALSE;
 102
 103 #if wxUSE_TOOLTIPS
 104     m_hwndToolTip = 0;
 105 #endif
 106 }
 107
 108 bool wxFrame::Create(wxWindow *parent,
 109                      wxWindowID id,
 110                      const wxString& title,
 111                      const wxPoint& pos,
 112                      const wxSize& size,
 113                      long style,
 114                      const wxString& name)
 115 {
 116   SetName(name);
 117   m_windowStyle = style;
 118   m_frameMenuBar = NULL;
 119   m_frameToolBar = NULL;
 120   m_frameStatusBar = NULL;
 121
 122   SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
 123
 124   if ( id > -1 )
 125     m_windowId = id;
 126   else
 127     m_windowId = (int)NewControlId();
 128
 129   if (parent) parent->AddChild(this);
 130
 131   int x = pos.x;
 132   int y = pos.y;
 133   int width = size.x;
 134   int height = size.y;
 135
 136   m_iconized = FALSE;
 137
 138   // we pass NULL as parent to MSWCreate because frames with parents behave
 139   // very strangely under Win95 shell
 140   // Alteration by JACS: keep normal Windows behaviour (float on top of parent)
 141   // with this style.
 142   if ((m_windowStyle & wxFRAME_FLOAT_ON_PARENT) == 0)
 143     parent = NULL;
 144
 145   if (!parent)
 146     wxTopLevelWindows.Append(this);
 147
 148   MSWCreate(m_windowId, parent, wxFrameClassName, this, title,
 149             x, y, width, height, style);
 150
 151   wxModelessWindows.Append(this);
 152   return TRUE;
 153 }
 154
 155 wxFrame::~wxFrame()
 156 {
 157   m_isBeingDeleted = TRUE;
 158   wxTopLevelWindows.DeleteObject(this);
 159
 160   DeleteAllBars();
 161
 162   if (wxTheApp && (wxTopLevelWindows.Number() == 0))
 163   {
 164     wxTheApp->SetTopWindow(NULL);
 165
 166     if (wxTheApp->GetExitOnFrameDelete())
 167     {
 168        PostQuitMessage(0);
 169     }
 170   }
 171
 172   wxModelessWindows.DeleteObject(this);
 173
 174   // For some reason, wxWindows can activate another task altogether
 175   // when a frame is destroyed after a modal dialog has been invoked.
 176   // Try to bring the parent to the top.
 177   // MT:Only do this if this frame is currently the active window, else weird
 178   // things start to happen
 179   if ( wxGetActiveWindow() == this )
 180   if (GetParent() && GetParent()->GetHWND())
 181     ::BringWindowToTop((HWND) GetParent()->GetHWND());
 182 }
 183
 184 // Get size *available for subwindows* i.e. excluding menu bar, toolbar etc.
 185 void wxFrame::DoGetClientSize(int *x, int *y) const
 186 {
 187   RECT rect;
 188   ::GetClientRect(GetHwnd(), &rect);
 189
 190 #if wxUSE_STATUSBAR
 191   if ( GetStatusBar() )
 192   {
 193     int statusX, statusY;
 194     GetStatusBar()->GetClientSize(&statusX, &statusY);
 195     rect.bottom -= statusY;
 196   }
 197 #endif // wxUSE_STATUSBAR
 198
 199   wxPoint pt(GetClientAreaOrigin());
 200   rect.bottom -= pt.y;
 201   rect.right -= pt.x;
 202
 203   if ( x )
 204     *x = rect.right;
 205   if ( y )
 206     *y = rect.bottom;
 207 }
 208
 209 // Set the client size (i.e. leave the calculation of borders etc.
 210 // to wxWindows)
 211 void wxFrame::DoSetClientSize(int width, int height)
 212 {
 213   HWND hWnd = GetHwnd();
 214
 215   RECT rect;
 216   ::GetClientRect(hWnd, &rect);
 217
 218   RECT rect2;
 219   GetWindowRect(hWnd, &rect2);
 220
 221   // Find the difference between the entire window (title bar and all)
 222   // and the client area; add this to the new client size to move the
 223   // window
 224   int actual_width = rect2.right - rect2.left - rect.right + width;
 225   int actual_height = rect2.bottom - rect2.top - rect.bottom + height;
 226
 227 #if wxUSE_STATUSBAR
 228   if ( GetStatusBar() )
 229   {
 230     int statusX, statusY;
 231     GetStatusBar()->GetClientSize(&statusX, &statusY);
 232     actual_height += statusY;
 233   }
 234 #endif // wxUSE_STATUSBAR
 235
 236   wxPoint pt(GetClientAreaOrigin());
 237   actual_width += pt.y;
 238   actual_height += pt.x;
 239
 240   POINT point;
 241   point.x = rect2.left;
 242   point.y = rect2.top;
 243
 244   MoveWindow(hWnd, point.x, point.y, actual_width, actual_height, (BOOL)TRUE);
 245
 246   wxSizeEvent event(wxSize(width, height), m_windowId);
 247   event.SetEventObject( this );
 248   GetEventHandler()->ProcessEvent(event);
 249 }
 250
 251 void wxFrame::DoGetSize(int *width, int *height) const
 252 {
 253   RECT rect;
 254   GetWindowRect(GetHwnd(), &rect);
 255   *width = rect.right - rect.left;
 256   *height = rect.bottom - rect.top;
 257 }
 258
 259 void wxFrame::DoGetPosition(int *x, int *y) const
 260 {
 261   RECT rect;
 262   GetWindowRect(GetHwnd(), &rect);
 263   POINT point;
 264   point.x = rect.left;
 265   point.y = rect.top;
 266
 267   *x = point.x;
 268   *y = point.y;
 269 }
 270
 271 // ----------------------------------------------------------------------------
 272 // variations around ::ShowWindow()
 273 // ----------------------------------------------------------------------------
 274
 275 void wxFrame::DoShowWindow(int nShowCmd)
 276 {
 277     ::ShowWindow(GetHwnd(), nShowCmd);
 278
 279     m_iconized = nShowCmd == SW_MINIMIZE;
 280 }
 281
 282 bool wxFrame::Show(bool show)
 283 {
 284     DoShowWindow(show ? SW_SHOW : SW_HIDE);
 285
 286     if ( show )
 287     {
 288         ::BringWindowToTop(GetHwnd());
 289
 290         wxActivateEvent event(wxEVT_ACTIVATE, TRUE, m_windowId);
 291         event.SetEventObject( this );
 292         GetEventHandler()->ProcessEvent(event);
 293     }
 294     else
 295     {
 296         // Try to highlight the correct window (the parent)
 297         if ( GetParent() )
 298         {
 299             HWND hWndParent = GetHwndOf(GetParent());
 300             if (hWndParent)
 301                 ::BringWindowToTop(hWndParent);
 302         }
 303     }
 304
 305     return TRUE;
 306 }
 307
 308 void wxFrame::Iconize(bool iconize)
 309 {
 310     DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
 311 }
 312
 313 void wxFrame::Maximize(bool maximize)
 314 {
 315     DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
 316 }
 317
 318 void wxFrame::Restore()
 319 {
 320     DoShowWindow(SW_RESTORE);
 321 }
 322
 323 bool wxFrame::IsIconized() const
 324 {
 325   ((wxFrame *)this)->m_iconized = (::IsIconic(GetHwnd()) != 0);
 326   return m_iconized;
 327 }
 328
 329 // Is it maximized?
 330 bool wxFrame::IsMaximized() const
 331 {
 332     return (::IsZoomed(GetHwnd()) != 0);
 333 }
 334
 335 void wxFrame::SetIcon(const wxIcon& icon)
 336 {
 337     wxFrameBase::SetIcon(icon);
 338
 339 #if defined(__WIN95__)
 340     if ( m_icon.Ok() )
 341     {
 342         SendMessage(GetHwnd(), WM_SETICON,
 343                     (WPARAM)TRUE, (LPARAM)(HICON) m_icon.GetHICON());
 344     }
 345 #endif // __WIN95__
 346 }
 347
 348 #if wxUSE_STATUSBAR
 349 wxStatusBar *wxFrame::OnCreateStatusBar(int number,
 350                                         long style,
 351                                         wxWindowID id,
 352                                         const wxString& name)
 353 {
 354     wxStatusBar *statusBar = NULL;
 355
 356 #if wxUSE_NATIVE_STATUSBAR
 357     if ( UsesNativeStatusBar() )
 358     {
 359         statusBar = new wxStatusBar95(this, id, style);
 360
 361         statusBar->SetFieldsCount(number);
 362     }
 363     else
 364 #endif
 365     {
 366         statusBar = wxFrameBase::OnCreateStatusBar(number, style, id, name);
 367     }
 368
 369     return statusBar;
 370 }
 371
 372 void wxFrame::PositionStatusBar()
 373 {
 374     // native status bar positions itself
 375     if ( m_frameStatusBar
 376 #if wxUSE_NATIVE_STATUSBAR
 377          && !m_frameStatusBar->IsKindOf(CLASSINFO(wxStatusBar95))
 378 #endif
 379        )
 380     {
 381         int w, h;
 382         GetClientSize(&w, &h);
 383         int sw, sh;
 384         m_frameStatusBar->GetSize(&sw, &sh);
 385
 386         // Since we wish the status bar to be directly under the client area,
 387         // we use the adjusted sizes without using wxSIZE_NO_ADJUSTMENTS.
 388         m_frameStatusBar->SetSize(0, h, w, sh);
 389     }
 390 }
 391 #endif // wxUSE_STATUSBAR
 392
 393 void wxFrame::DetachMenuBar()
 394 {
 395     if (m_frameMenuBar)
 396     {
 397         m_frameMenuBar->Detach();
 398         m_frameMenuBar = NULL;
 399     }
 400 }
 401
 402 void wxFrame::SetMenuBar(wxMenuBar *menu_bar)
 403 {
 404     if (!menu_bar)
 405     {
 406         DetachMenuBar();
 407         return;
 408     }
 409
 410     wxCHECK_RET( !menu_bar->GetFrame(), wxT("this menubar is already attached") );
 411
 412     if (m_frameMenuBar)
 413         delete m_frameMenuBar;
 414
 415     m_hMenu = menu_bar->Create();
 416
 417     if ( !m_hMenu )
 418         return;
 419
 420     InternalSetMenuBar();
 421
 422     m_frameMenuBar = menu_bar;
 423     menu_bar->Attach(this);
 424 }
 425
 426 void wxFrame::InternalSetMenuBar()
 427 {
 428     if ( !::SetMenu(GetHwnd(), (HMENU)m_hMenu) )
 429     {
 430         wxLogLastError("SetMenu");
 431     }
 432 }
 433
 434 // Responds to colour changes, and passes event on to children.
 435 void wxFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 436 {
 437     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
 438     Refresh();
 439
 440     if ( m_frameStatusBar )
 441     {
 442         wxSysColourChangedEvent event2;
 443         event2.SetEventObject( m_frameStatusBar );
 444         m_frameStatusBar->GetEventHandler()->ProcessEvent(event2);
 445     }
 446
 447     // Propagate the event to the non-top-level children
 448     wxWindow::OnSysColourChanged(event);
 449 }
 450
 451 /*
 452  * Frame window
 453  *
 454  */
 455
 456 bool wxFrame::MSWCreate(int id, wxWindow *parent, const wxChar *wclass, wxWindow *wx_win, const wxChar *title,
 457                    int x, int y, int width, int height, long style)
 458
 459 {
 460   m_defaultIcon = (WXHICON) (wxSTD_FRAME_ICON ? wxSTD_FRAME_ICON : wxDEFAULT_FRAME_ICON);
 461
 462   // If child windows aren't properly drawn initially, WS_CLIPCHILDREN
 463   // could be the culprit. But without it, you can get a lot of flicker.
 464
 465   DWORD msflags = 0;
 466   if ((style & wxCAPTION) == wxCAPTION)
 467     msflags = WS_OVERLAPPED;
 468   else
 469     msflags = WS_POPUP;
 470
 471   if (style & wxMINIMIZE_BOX)
 472     msflags |= WS_MINIMIZEBOX;
 473   if (style & wxMAXIMIZE_BOX)
 474     msflags |= WS_MAXIMIZEBOX;
 475   if (style & wxTHICK_FRAME)
 476     msflags |= WS_THICKFRAME;
 477   if (style & wxSYSTEM_MENU)
 478     msflags |= WS_SYSMENU;
 479   if ((style & wxMINIMIZE) || (style & wxICONIZE))
 480     msflags |= WS_MINIMIZE;
 481   if (style & wxMAXIMIZE)
 482     msflags |= WS_MAXIMIZE;
 483   if (style & wxCAPTION)
 484     msflags |= WS_CAPTION;
 485   if (style & wxCLIP_CHILDREN)
 486     msflags |= WS_CLIPCHILDREN;
 487
 488   // Keep this in wxFrame because it saves recoding this function
 489   // in wxTinyFrame
 490 #if wxUSE_ITSY_BITSY
 491   if (style & wxTINY_CAPTION_VERT)
 492     msflags |= IBS_VERTCAPTION;
 493   if (style & wxTINY_CAPTION_HORIZ)
 494     msflags |= IBS_HORZCAPTION;
 495 #else
 496   if (style & wxTINY_CAPTION_VERT)
 497     msflags |= WS_CAPTION;
 498   if (style & wxTINY_CAPTION_HORIZ)
 499     msflags |= WS_CAPTION;
 500 #endif
 501   if ((style & wxTHICK_FRAME) == 0)
 502     msflags |= WS_BORDER;
 503
 504   WXDWORD extendedStyle = MakeExtendedStyle(style);
 505
 506 #if !defined(__WIN16__) && !defined(__SC__)
 507   if (style & wxFRAME_TOOL_WINDOW)
 508     extendedStyle |= WS_EX_TOOLWINDOW;
 509 #endif
 510
 511   if (style & wxSTAY_ON_TOP)
 512     extendedStyle |= WS_EX_TOPMOST;
 513
 514   m_iconized = FALSE;
 515   if ( !wxWindow::MSWCreate(id, parent, wclass, wx_win, title, x, y, width, height,
 516          msflags, NULL, extendedStyle) )
 517          return FALSE;
 518
 519   // Seems to be necessary if we use WS_POPUP
 520   // style instead of WS_OVERLAPPED
 521   if (width > -1 && height > -1)
 522     ::PostMessage(GetHwnd(), WM_SIZE, SIZE_RESTORED, MAKELPARAM(width, height));
 523
 524   return TRUE;
 525 }
 526
 527 // Default activation behaviour - set the focus for the first child
 528 // subwindow found.
 529 void wxFrame::OnActivate(wxActivateEvent& event)
 530 {
 531     for ( wxWindowList::Node *node = GetChildren().GetFirst();
 532           node;
 533           node = node->GetNext() )
 534     {
 535         // FIXME all this is totally bogus - we need to do the same as wxPanel,
 536         //       but how to do it without duplicating the code?
 537
 538         // restore focus
 539         wxWindow *child = node->GetData();
 540
 541         if ( !child->IsTopLevel()
 542 #if wxUSE_TOOLBAR
 543              && !wxDynamicCast(child, wxToolBar)
 544 #endif // wxUSE_TOOLBAR
 545 #if wxUSE_STATUSBAR
 546              && !wxDynamicCast(child, wxStatusBar)
 547 #endif // wxUSE_STATUSBAR
 548            )
 549         {
 550             child->SetFocus();
 551             return;
 552         }
 553     }
 554 }
 555
 556 // ----------------------------------------------------------------------------
 557 // wxFrame size management: we exclude the areas taken by menu/status/toolbars
 558 // from the client area, so the client area is what's really available for the
 559 // frame contents
 560 // ----------------------------------------------------------------------------
 561
 562 // Checks if there is a toolbar, and returns the first free client position
 563 wxPoint wxFrame::GetClientAreaOrigin() const
 564 {
 565     wxPoint pt(0, 0);
 566     if (GetToolBar())
 567     {
 568         int w, h;
 569         GetToolBar()->GetSize(& w, & h);
 570
 571         if (GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL)
 572         {
 573             pt.x += w;
 574         }
 575         else
 576         {
 577             pt.y += h;
 578         }
 579     }
 580     return pt;
 581 }
 582
 583 void wxFrame::DoScreenToClient(int *x, int *y) const
 584 {
 585     wxWindow::DoScreenToClient(x, y);
 586
 587     // We may be faking the client origin.
 588     // So a window that's really at (0, 30) may appear
 589     // (to wxWin apps) to be at (0, 0).
 590     wxPoint pt(GetClientAreaOrigin());
 591     *x -= pt.x;
 592     *y -= pt.y;
 593 }
 594
 595 void wxFrame::DoClientToScreen(int *x, int *y) const
 596 {
 597     // We may be faking the client origin.
 598     // So a window that's really at (0, 30) may appear
 599     // (to wxWin apps) to be at (0, 0).
 600     wxPoint pt1(GetClientAreaOrigin());
 601     *x += pt1.x;
 602     *y += pt1.y;
 603
 604     wxWindow::DoClientToScreen(x, y);
 605 }
 606
 607 // ----------------------------------------------------------------------------
 608 // tool/status bar stuff
 609 // ----------------------------------------------------------------------------
 610
 611 #if wxUSE_TOOLBAR
 612
 613 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
 614 {
 615     if ( wxFrameBase::CreateToolBar(style, id, name) )
 616     {
 617         PositionToolBar();
 618     }
 619
 620     return m_frameToolBar;
 621 }
 622
 623 void wxFrame::PositionToolBar()
 624 {
 625     RECT rect;
 626     ::GetClientRect(GetHwnd(), &rect);
 627
 628 #if wxUSE_STATUSBAR
 629     if ( GetStatusBar() )
 630     {
 631         int statusX, statusY;
 632         GetStatusBar()->GetClientSize(&statusX, &statusY);
 633         rect.bottom -= statusY;
 634     }
 635 #endif // wxUSE_STATUSBAR
 636
 637     if ( GetToolBar() )
 638     {
 639         int tw, th;
 640         GetToolBar()->GetSize(&tw, &th);
 641
 642         if ( GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL )
 643         {
 644             th = rect.bottom;
 645         }
 646         else
 647         {
 648             tw = rect.right;
 649         }
 650
 651         // Use the 'real' MSW position here
 652         GetToolBar()->SetSize(0, 0, tw, th, wxSIZE_NO_ADJUSTMENTS);
 653     }
 654 }
 655 #endif // wxUSE_TOOLBAR
 656
 657 // ----------------------------------------------------------------------------
 658 // frame state (iconized/maximized/...)
 659 // ----------------------------------------------------------------------------
 660
 661 // propagate our state change to all child frames: this allows us to emulate X
 662 // Windows behaviour where child frames float independently of the parent one
 663 // on the desktop, but are iconized/restored with it
 664 void wxFrame::IconizeChildFrames(bool bIconize)
 665 {
 666     for ( wxWindowList::Node *node = GetChildren().GetFirst();
 667           node;
 668           node = node->GetNext() )
 669     {
 670         wxWindow *win = node->GetData();
 671
 672         if ( win->IsKindOf(CLASSINFO(wxFrame)) )
 673         {
 674             ((wxFrame *)win)->Iconize(bIconize);
 675         }
 676     }
 677 }
 678
 679 // ===========================================================================
 680 // message processing
 681 // ===========================================================================
 682
 683 // ---------------------------------------------------------------------------
 684 // preprocessing
 685 // ---------------------------------------------------------------------------
 686
 687 bool wxFrame::MSWTranslateMessage(WXMSG* pMsg)
 688 {
 689     if ( wxWindow::MSWTranslateMessage(pMsg) )
 690         return TRUE;
 691
 692     // try the menu bar accels
 693     wxMenuBar *menuBar = GetMenuBar();
 694     if ( !menuBar )
 695         return FALSE;
 696
 697     const wxAcceleratorTable& acceleratorTable = menuBar->GetAccelTable();
 698     return acceleratorTable.Translate(this, pMsg);
 699 }
 700
 701 // ---------------------------------------------------------------------------
 702 // our private (non virtual) message handlers
 703 // ---------------------------------------------------------------------------
 704
 705 bool wxFrame::HandlePaint()
 706 {
 707     RECT rect;
 708     if ( GetUpdateRect(GetHwnd(), &rect, FALSE) )
 709     {
 710         if ( m_iconized )
 711         {
 712             HICON hIcon = m_icon.Ok() ? GetHiconOf(m_icon)
 713                                       : (HICON)m_defaultIcon;
 714
 715             // Hold a pointer to the dc so long as the OnPaint() message
 716             // is being processed
 717             PAINTSTRUCT ps;
 718             HDC hdc = ::BeginPaint(GetHwnd(), &ps);
 719
 720             // Erase background before painting or we get white background
 721             MSWDefWindowProc(WM_ICONERASEBKGND, (WORD)(LONG)ps.hdc, 0L);
 722
 723             if ( hIcon )
 724             {
 725                 RECT rect;
 726                 ::GetClientRect(GetHwnd(), &rect);
 727
 728                 // FIXME: why hardcoded?
 729                 static const int icon_width = 32;
 730                 static const int icon_height = 32;
 731
 732                 int icon_x = (int)((rect.right - icon_width)/2);
 733                 int icon_y = (int)((rect.bottom - icon_height)/2);
 734
 735                 ::DrawIcon(hdc, icon_x, icon_y, hIcon);
 736             }
 737
 738             ::EndPaint(GetHwnd(), &ps);
 739
 740             return TRUE;
 741         }
 742         else
 743         {
 744             return wxWindow::HandlePaint();
 745         }
 746     }
 747     else
 748     {
 749         // nothing to paint - processed
 750         return TRUE;
 751     }
 752 }
 753
 754 bool wxFrame::HandleSize(int x, int y, WXUINT id)
 755 {
 756     bool processed = FALSE;
 757
 758     switch ( id )
 759     {
 760         case SIZENORMAL:
 761             // only do it it if we were iconized before, otherwise resizing the
 762             // parent frame has a curious side effect of bringing it under it's
 763             // children
 764             if ( !m_iconized )
 765                 break;
 766
 767             // restore all child frames too
 768             IconizeChildFrames(FALSE);
 769
 770             // fall through
 771
 772         case SIZEFULLSCREEN:
 773             m_iconized = FALSE;
 774             break;
 775
 776         case SIZEICONIC:
 777             // iconize all child frames too
 778             IconizeChildFrames(TRUE);
 779
 780             m_iconized = TRUE;
 781             break;
 782     }
 783
 784     if ( !m_iconized )
 785     {
 786         // forward WM_SIZE to status bar control
 787 #if wxUSE_NATIVE_STATUSBAR
 788         if (m_frameStatusBar && m_frameStatusBar->IsKindOf(CLASSINFO(wxStatusBar95)))
 789         {
 790             wxSizeEvent event(wxSize(x, y), m_frameStatusBar->GetId());
 791             event.SetEventObject( m_frameStatusBar );
 792
 793             ((wxStatusBar95 *)m_frameStatusBar)->OnSize(event);
 794         }
 795 #endif // wxUSE_NATIVE_STATUSBAR
 796
 797         PositionStatusBar();
 798         PositionToolBar();
 799
 800         wxSizeEvent event(wxSize(x, y), m_windowId);
 801         event.SetEventObject( this );
 802         processed = GetEventHandler()->ProcessEvent(event);
 803     }
 804
 805     return processed;
 806 }
 807
 808 bool wxFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND control)
 809 {
 810     if ( control )
 811     {
 812         // In case it's e.g. a toolbar.
 813         wxWindow *win = wxFindWinFromHandle(control);
 814         if ( win )
 815             return win->MSWCommand(cmd, id);
 816     }
 817
 818     // handle here commands from menus and accelerators
 819     if ( cmd == 0 || cmd == 1 )
 820     {
 821         if ( wxCurrentPopupMenu )
 822         {
 823             wxMenu *popupMenu = wxCurrentPopupMenu;
 824             wxCurrentPopupMenu = NULL;
 825
 826             return popupMenu->MSWCommand(cmd, id);
 827         }
 828
 829         if ( ProcessCommand(id) )
 830         {
 831             return TRUE;
 832         }
 833     }
 834
 835     return FALSE;
 836 }
 837
 838 bool wxFrame::HandleMenuSelect(WXWORD nItem, WXWORD flags, WXHMENU hMenu)
 839 {
 840     int item;
 841     if ( flags == 0xFFFF && hMenu == 0 )
 842     {
 843         // menu was removed from screen
 844         item = -1;
 845     }
 846     else if ( !(flags & MF_POPUP) && !(flags & MF_SEPARATOR) )
 847     {
 848         item = nItem;
 849     }
 850     else
 851     {
 852         // don't give hints for separators (doesn't make sense) nor for the
 853         // items opening popup menus (they don't have them anyhow)
 854         return FALSE;
 855     }
 856
 857     wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, item);
 858     event.SetEventObject( this );
 859
 860     return GetEventHandler()->ProcessEvent(event);
 861 }
 862
 863 // ---------------------------------------------------------------------------
 864 // the window proc for wxFrame
 865 // ---------------------------------------------------------------------------
 866
 867 long wxFrame::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 868 {
 869     long rc = 0;
 870     bool processed = FALSE;
 871
 872     switch ( message )
 873     {
 874         case WM_CLOSE:
 875             // if we can't close, tell the system that we processed the
 876             // message - otherwise it would close us
 877             processed = !Close();
 878             break;
 879
 880         case WM_COMMAND:
 881             {
 882                 WORD id, cmd;
 883                 WXHWND hwnd;
 884                 UnpackCommand((WXWPARAM)wParam, (WXLPARAM)lParam,
 885                               &id, &hwnd, &cmd);
 886
 887                 processed = HandleCommand(id, cmd, (WXHWND)hwnd);
 888             }
 889             break;
 890
 891         case WM_MENUSELECT:
 892             {
 893                 WXWORD item, flags;
 894                 WXHMENU hmenu;
 895                 UnpackMenuSelect(wParam, lParam, &item, &flags, &hmenu);
 896
 897                 processed = HandleMenuSelect(item, flags, hmenu);
 898             }
 899             break;
 900
 901         case WM_PAINT:
 902             processed = HandlePaint();
 903             break;
 904
 905         case WM_QUERYDRAGICON:
 906             {
 907                 HICON hIcon = m_icon.Ok() ? GetHiconOf(m_icon)
 908                                           : (HICON)(m_defaultIcon);
 909                 rc = (long)hIcon;
 910                 processed = rc != 0;
 911             }
 912             break;
 913
 914         case WM_SIZE:
 915             processed = HandleSize(LOWORD(lParam), HIWORD(lParam), wParam);
 916             break;
 917     }
 918
 919     if ( !processed )
 920         rc = wxWindow::MSWWindowProc(message, wParam, lParam);
 921
 922     return rc;
 923 }
 924