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/frame.h"
  33     #include "wx/app.h"
  34     #include "wx/menu.h"
  35     #include "wx/utils.h"
  36     #include "wx/dialog.h"
  37     #include "wx/settings.h"
  38     #include "wx/dcclient.h"
  39     #include "wx/mdi.h"
  40     #include "wx/panel.h"
  41 #endif // WX_PRECOMP
  42
  43 #include "wx/msw/private.h"
  44
  45 #if wxUSE_STATUSBAR
  46     #include "wx/statusbr.h"
  47     #include "wx/generic/statusbr.h"
  48 #endif // wxUSE_STATUSBAR
  49
  50 #if wxUSE_TOOLBAR
  51     #include "wx/toolbar.h"
  52 #endif // wxUSE_TOOLBAR
  53
  54 #include "wx/menuitem.h"
  55 #include "wx/log.h"
  56
  57 #ifdef __WXUNIVERSAL__
  58     #include "wx/univ/theme.h"
  59     #include "wx/univ/colschem.h"
  60 #endif // __WXUNIVERSAL__
  61
  62 // ----------------------------------------------------------------------------
  63 // globals
  64 // ----------------------------------------------------------------------------
  65
  66 extern const wxChar *wxFrameClassName;
  67
  68 #if wxUSE_MENUS_NATIVE
  69 extern wxMenu *wxCurrentPopupMenu;
  70 #endif // wxUSE_MENUS_NATIVE
  71
  72 // ----------------------------------------------------------------------------
  73 // event tables
  74 // ----------------------------------------------------------------------------
  75
  76 BEGIN_EVENT_TABLE(wxFrame, wxFrameBase)
  77     EVT_ACTIVATE(wxFrame::OnActivate)
  78     EVT_SYS_COLOUR_CHANGED(wxFrame::OnSysColourChanged)
  79 END_EVENT_TABLE()
  80
  81 IMPLEMENT_DYNAMIC_CLASS(wxFrame, wxWindow)
  82
  83 // ============================================================================
  84 // implementation
  85 // ============================================================================
  86
  87 // ----------------------------------------------------------------------------
  88 // static class members
  89 // ----------------------------------------------------------------------------
  90
  91 #if wxUSE_STATUSBAR
  92     #if wxUSE_NATIVE_STATUSBAR
  93         bool wxFrame::m_useNativeStatusBar = TRUE;
  94     #else
  95         bool wxFrame::m_useNativeStatusBar = FALSE;
  96     #endif
  97 #endif // wxUSE_NATIVE_STATUSBAR
  98
  99 // ----------------------------------------------------------------------------
 100 // creation/destruction
 101 // ----------------------------------------------------------------------------
 102
 103 void wxFrame::Init()
 104 {
 105 #if wxUSE_TOOLTIPS
 106     m_hwndToolTip = 0;
 107 #endif
 108
 109     // Data to save/restore when calling ShowFullScreen
 110     m_fsStatusBarFields = 0;
 111     m_fsStatusBarHeight = 0;
 112     m_fsToolBarHeight = 0;
 113 //  m_fsMenu = 0;
 114
 115     m_wasMinimized = FALSE;
 116
 117     m_winLastFocused = (wxWindow *)NULL;
 118 }
 119
 120 bool wxFrame::Create(wxWindow *parent,
 121                      wxWindowID id,
 122                      const wxString& title,
 123                      const wxPoint& pos,
 124                      const wxSize& size,
 125                      long style,
 126                      const wxString& name)
 127 {
 128     if ( !wxTopLevelWindow::Create(parent, id, title, pos, size, style, name) )
 129         return FALSE;
 130
 131     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
 132
 133     wxModelessWindows.Append(this);
 134
 135     return TRUE;
 136 }
 137
 138 wxFrame::~wxFrame()
 139 {
 140     m_isBeingDeleted = TRUE;
 141
 142     DeleteAllBars();
 143 }
 144
 145 // Get size *available for subwindows* i.e. excluding menu bar, toolbar etc.
 146 void wxFrame::DoGetClientSize(int *x, int *y) const
 147 {
 148   RECT rect;
 149   ::GetClientRect(GetHwnd(), &rect);
 150
 151 #if wxUSE_STATUSBAR
 152   if ( GetStatusBar() && GetStatusBar()->IsShown() )
 153   {
 154     int statusX, statusY;
 155     GetStatusBar()->GetClientSize(&statusX, &statusY);
 156     rect.bottom -= statusY;
 157   }
 158 #endif // wxUSE_STATUSBAR
 159
 160   wxPoint pt(GetClientAreaOrigin());
 161   rect.bottom -= pt.y;
 162   rect.right -= pt.x;
 163
 164   if ( x )
 165     *x = rect.right;
 166   if ( y )
 167     *y = rect.bottom;
 168 }
 169
 170 void wxFrame::DoSetClientSize(int width, int height)
 171 {
 172     // leave enough space for the status bar if we have (and show) it
 173 #if wxUSE_STATUSBAR
 174     wxStatusBar *statbar = GetStatusBar();
 175     if ( statbar && statbar->IsShown() )
 176     {
 177         height += statbar->GetSize().y;
 178     }
 179 #endif // wxUSE_STATUSBAR
 180
 181     wxTopLevelWindow::DoSetClientSize(width, height);
 182 }
 183
 184 // ----------------------------------------------------------------------------
 185 // wxFrame: various geometry-related functions
 186 // ----------------------------------------------------------------------------
 187
 188 void wxFrame::Raise()
 189 {
 190 #ifdef __WIN16__
 191     // no SetForegroundWindow() in Win16
 192     wxFrameBase::Raise();
 193 #else // Win32
 194     ::SetForegroundWindow(GetHwnd());
 195 #endif // Win16/32
 196 }
 197
 198 // generate an artificial resize event
 199 void wxFrame::SendSizeEvent()
 200 {
 201     if ( !m_iconized )
 202     {
 203         RECT r = wxGetWindowRect(GetHwnd());
 204
 205         (void)::PostMessage(GetHwnd(), WM_SIZE,
 206                             IsMaximized() ? SIZE_MAXIMIZED : SIZE_RESTORED,
 207                             MAKELPARAM(r.right - r.left, r.bottom - r.top));
 208     }
 209 }
 210
 211 #if wxUSE_STATUSBAR
 212 wxStatusBar *wxFrame::OnCreateStatusBar(int number,
 213                                         long style,
 214                                         wxWindowID id,
 215                                         const wxString& name)
 216 {
 217     wxStatusBar *statusBar = NULL;
 218
 219 #if wxUSE_NATIVE_STATUSBAR
 220     if ( !UsesNativeStatusBar() )
 221     {
 222         statusBar = (wxStatusBar *)new wxStatusBarGeneric(this, id, style);
 223     }
 224     else
 225 #endif
 226     {
 227         statusBar = new wxStatusBar(this, id, style, name);
 228     }
 229
 230     statusBar->SetFieldsCount(number);
 231
 232     return statusBar;
 233 }
 234
 235 void wxFrame::PositionStatusBar()
 236 {
 237     if ( !m_frameStatusBar )
 238         return;
 239
 240     int w, h;
 241     GetClientSize(&w, &h);
 242     int sw, sh;
 243     m_frameStatusBar->GetSize(&sw, &sh);
 244
 245     // Since we wish the status bar to be directly under the client area,
 246     // we use the adjusted sizes without using wxSIZE_NO_ADJUSTMENTS.
 247     m_frameStatusBar->SetSize(0, h, w, sh);
 248 }
 249 #endif // wxUSE_STATUSBAR
 250
 251 #if wxUSE_MENUS_NATIVE
 252
 253 void wxFrame::AttachMenuBar(wxMenuBar *menubar)
 254 {
 255     wxFrameBase::AttachMenuBar(menubar);
 256
 257     if ( !menubar )
 258     {
 259         // actually remove the menu from the frame
 260         m_hMenu = (WXHMENU)0;
 261         InternalSetMenuBar();
 262     }
 263     else // set new non NULL menu bar
 264     {
 265         // Can set a menubar several times.
 266         if ( menubar->GetHMenu() )
 267         {
 268             m_hMenu = menubar->GetHMenu();
 269         }
 270         else // no HMENU yet
 271         {
 272             m_hMenu = menubar->Create();
 273
 274             if ( !m_hMenu )
 275             {
 276                 wxFAIL_MSG( _T("failed to create menu bar") );
 277                 return;
 278             }
 279         }
 280
 281         InternalSetMenuBar();
 282     }
 283 }
 284
 285 void wxFrame::InternalSetMenuBar()
 286 {
 287 #ifndef __WXMICROWIN__
 288     if ( !::SetMenu(GetHwnd(), (HMENU)m_hMenu) )
 289     {
 290         wxLogLastError(wxT("SetMenu"));
 291     }
 292 #endif
 293 }
 294
 295 #endif // wxUSE_MENUS_NATIVE
 296
 297 // Responds to colour changes, and passes event on to children.
 298 void wxFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 299 {
 300     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
 301     Refresh();
 302
 303 #if wxUSE_STATUSBAR
 304     if ( m_frameStatusBar )
 305     {
 306         wxSysColourChangedEvent event2;
 307         event2.SetEventObject( m_frameStatusBar );
 308         m_frameStatusBar->GetEventHandler()->ProcessEvent(event2);
 309     }
 310 #endif // wxUSE_STATUSBAR
 311
 312     // Propagate the event to the non-top-level children
 313     wxWindow::OnSysColourChanged(event);
 314 }
 315
 316 // Pass TRUE to show full screen, FALSE to restore.
 317 bool wxFrame::ShowFullScreen(bool show, long style)
 318 {
 319     if ( IsFullScreen() == show )
 320         return FALSE;
 321
 322     if (show)
 323     {
 324 #if wxUSE_TOOLBAR
 325         wxToolBar *theToolBar = GetToolBar();
 326         if (theToolBar)
 327             theToolBar->GetSize(NULL, &m_fsToolBarHeight);
 328
 329         // zap the toolbar, menubar, and statusbar
 330
 331         if ((style & wxFULLSCREEN_NOTOOLBAR) && theToolBar)
 332         {
 333             theToolBar->SetSize(-1,0);
 334             theToolBar->Show(FALSE);
 335         }
 336 #endif // wxUSE_TOOLBAR
 337
 338 #ifndef __WXMICROWIN__
 339         if (style & wxFULLSCREEN_NOMENUBAR)
 340             SetMenu((HWND)GetHWND(), (HMENU) NULL);
 341 #endif
 342
 343 #if wxUSE_STATUSBAR
 344         wxStatusBar *theStatusBar = GetStatusBar();
 345         if (theStatusBar)
 346             theStatusBar->GetSize(NULL, &m_fsStatusBarHeight);
 347
 348         // Save the number of fields in the statusbar
 349         if ((style & wxFULLSCREEN_NOSTATUSBAR) && theStatusBar)
 350         {
 351             //m_fsStatusBarFields = theStatusBar->GetFieldsCount();
 352             //SetStatusBar((wxStatusBar*) NULL);
 353             //delete theStatusBar;
 354             theStatusBar->Show(FALSE);
 355         }
 356         else
 357             m_fsStatusBarFields = 0;
 358 #endif // wxUSE_STATUSBAR
 359     }
 360     else
 361     {
 362 #if wxUSE_TOOLBAR
 363         wxToolBar *theToolBar = GetToolBar();
 364
 365         // restore the toolbar, menubar, and statusbar
 366         if (theToolBar && (m_fsStyle & wxFULLSCREEN_NOTOOLBAR))
 367         {
 368             theToolBar->SetSize(-1, m_fsToolBarHeight);
 369             theToolBar->Show(TRUE);
 370         }
 371 #endif // wxUSE_TOOLBAR
 372
 373 #if wxUSE_STATUSBAR
 374         if ( m_fsStyle & wxFULLSCREEN_NOSTATUSBAR )
 375         {
 376             //CreateStatusBar(m_fsStatusBarFields);
 377             if (GetStatusBar())
 378             {
 379                 GetStatusBar()->Show(TRUE);
 380                 PositionStatusBar();
 381             }
 382         }
 383 #endif // wxUSE_STATUSBAR
 384
 385 #ifndef __WXMICROWIN__
 386         if ((m_fsStyle & wxFULLSCREEN_NOMENUBAR) && (m_hMenu != 0))
 387             SetMenu((HWND)GetHWND(), (HMENU)m_hMenu);
 388 #endif
 389     }
 390
 391     return wxFrameBase::ShowFullScreen(show, style);
 392 }
 393
 394 // Default activation behaviour - set the focus for the first child
 395 // subwindow found.
 396 void wxFrame::OnActivate(wxActivateEvent& event)
 397 {
 398     if ( event.GetActive() )
 399     {
 400         // restore focus to the child which was last focused
 401         wxLogTrace(_T("focus"), _T("wxFrame %08x activated."), m_hWnd);
 402
 403         wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
 404                                             : NULL;
 405         if ( !parent )
 406         {
 407             parent = this;
 408         }
 409
 410         wxSetFocusToChild(parent, &m_winLastFocused);
 411     }
 412     else // deactivating
 413     {
 414         // remember the last focused child if it is our child
 415         m_winLastFocused = FindFocus();
 416
 417         // so we NULL it out if it's a child from some other frame
 418         wxWindow *win = m_winLastFocused;
 419         while ( win )
 420         {
 421             if ( win->IsTopLevel() )
 422             {
 423                 if ( win != this )
 424                 {
 425                     m_winLastFocused = NULL;
 426                 }
 427
 428                 break;
 429             }
 430
 431             win = win->GetParent();
 432         }
 433
 434         wxLogTrace(_T("focus"),
 435                    _T("wxFrame %08x deactivated, last focused: %08x."),
 436                    m_hWnd,
 437                    m_winLastFocused ? GetHwndOf(m_winLastFocused)
 438                                     : NULL);
 439
 440         event.Skip();
 441     }
 442 }
 443
 444 // ----------------------------------------------------------------------------
 445 // tool/status bar stuff
 446 // ----------------------------------------------------------------------------
 447
 448 #if wxUSE_TOOLBAR
 449
 450 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
 451 {
 452     if ( wxFrameBase::CreateToolBar(style, id, name) )
 453     {
 454         PositionToolBar();
 455     }
 456
 457     return m_frameToolBar;
 458 }
 459
 460 void wxFrame::PositionToolBar()
 461 {
 462     RECT rect;
 463     ::GetClientRect(GetHwnd(), &rect);
 464
 465 #if wxUSE_STATUSBAR
 466     if ( GetStatusBar() )
 467     {
 468         int statusX, statusY;
 469         GetStatusBar()->GetClientSize(&statusX, &statusY);
 470         rect.bottom -= statusY;
 471     }
 472 #endif // wxUSE_STATUSBAR
 473
 474     if ( GetToolBar() && GetToolBar()->IsShown() )
 475     {
 476         int tw, th;
 477         GetToolBar()->GetSize(&tw, &th);
 478
 479         if ( GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL )
 480         {
 481             th = rect.bottom;
 482         }
 483         else
 484         {
 485             tw = rect.right;
 486         }
 487
 488         // Use the 'real' MSW position here
 489         GetToolBar()->SetSize(0, 0, tw, th, wxSIZE_NO_ADJUSTMENTS);
 490     }
 491 }
 492 #endif // wxUSE_TOOLBAR
 493
 494 // ----------------------------------------------------------------------------
 495 // frame state (iconized/maximized/...)
 496 // ----------------------------------------------------------------------------
 497
 498 // propagate our state change to all child frames: this allows us to emulate X
 499 // Windows behaviour where child frames float independently of the parent one
 500 // on the desktop, but are iconized/restored with it
 501 void wxFrame::IconizeChildFrames(bool bIconize)
 502 {
 503     for ( wxWindowList::Node *node = GetChildren().GetFirst();
 504           node;
 505           node = node->GetNext() )
 506     {
 507         wxWindow *win = node->GetData();
 508
 509         // iconizing the frames with this style under Win95 shell puts them at
 510         // the bottom of the screen (as the MDI children) instead of making
 511         // them appear in the taskbar because they are, by virtue of this
 512         // style, not managed by the taskbar - instead leave Windows take care
 513         // of them
 514 #ifdef __WIN95__
 515         if ( win->GetWindowStyle() & wxFRAME_TOOL_WINDOW )
 516             continue;
 517 #endif // Win95
 518
 519         // the child MDI frames are a special case and should not be touched by
 520         // the parent frame - instead, they are managed by the user
 521         wxFrame *frame = wxDynamicCast(win, wxFrame);
 522         if ( frame
 523 #if wxUSE_MDI_ARCHITECTURE
 524                 && !wxDynamicCast(frame, wxMDIChildFrame)
 525 #endif // wxUSE_MDI_ARCHITECTURE
 526            )
 527         {
 528             // we don't want to restore the child frames which had been
 529             // iconized even before we were iconized, so save the child frame
 530             // status when iconizing the parent frame and check it when
 531             // restoring it
 532             if ( bIconize )
 533             {
 534                 // note that we shouldn't touch the hidden frames neither
 535                 // because iconizing/restoring them would show them as a side
 536                 // effect
 537                 frame->m_wasMinimized = frame->IsIconized() || !frame->IsShown();
 538             }
 539
 540             // this test works for both iconizing and restoring
 541             if ( !frame->m_wasMinimized )
 542                 frame->Iconize(bIconize);
 543         }
 544     }
 545 }
 546
 547 WXHICON wxFrame::GetDefaultIcon() const
 548 {
 549     return (WXHICON)(wxSTD_FRAME_ICON ? wxSTD_FRAME_ICON
 550                                       : wxDEFAULT_FRAME_ICON);
 551 }
 552
 553 // ===========================================================================
 554 // message processing
 555 // ===========================================================================
 556
 557 // ---------------------------------------------------------------------------
 558 // preprocessing
 559 // ---------------------------------------------------------------------------
 560
 561 bool wxFrame::MSWTranslateMessage(WXMSG* pMsg)
 562 {
 563     if ( wxWindow::MSWTranslateMessage(pMsg) )
 564         return TRUE;
 565
 566 #if wxUSE_MENUS && wxUSE_ACCEL && !defined(__WXUNIVERSAL__)
 567     // try the menu bar accels
 568     wxMenuBar *menuBar = GetMenuBar();
 569     if ( !menuBar )
 570         return FALSE;
 571
 572     const wxAcceleratorTable& acceleratorTable = menuBar->GetAccelTable();
 573     return acceleratorTable.Translate(this, pMsg);
 574 #else
 575     return FALSE;
 576 #endif // wxUSE_MENUS && wxUSE_ACCEL
 577 }
 578
 579 // ---------------------------------------------------------------------------
 580 // our private (non virtual) message handlers
 581 // ---------------------------------------------------------------------------
 582
 583 bool wxFrame::HandlePaint()
 584 {
 585     RECT rect;
 586     if ( GetUpdateRect(GetHwnd(), &rect, FALSE) )
 587     {
 588 #ifndef __WXMICROWIN__
 589         if ( m_iconized )
 590         {
 591             HICON hIcon = m_icon.Ok() ? GetHiconOf(m_icon)
 592                                       : (HICON)GetDefaultIcon();
 593
 594             // Hold a pointer to the dc so long as the OnPaint() message
 595             // is being processed
 596             PAINTSTRUCT ps;
 597             HDC hdc = ::BeginPaint(GetHwnd(), &ps);
 598
 599             // Erase background before painting or we get white background
 600             MSWDefWindowProc(WM_ICONERASEBKGND, (WORD)(LONG)ps.hdc, 0L);
 601
 602             if ( hIcon )
 603             {
 604                 RECT rect;
 605                 ::GetClientRect(GetHwnd(), &rect);
 606
 607                 // FIXME: why hardcoded?
 608                 static const int icon_width = 32;
 609                 static const int icon_height = 32;
 610
 611                 int icon_x = (int)((rect.right - icon_width)/2);
 612                 int icon_y = (int)((rect.bottom - icon_height)/2);
 613
 614                 ::DrawIcon(hdc, icon_x, icon_y, hIcon);
 615             }
 616
 617             ::EndPaint(GetHwnd(), &ps);
 618
 619             return TRUE;
 620         }
 621         else
 622  #endif
 623         {
 624             return wxWindow::HandlePaint();
 625         }
 626     }
 627     else
 628     {
 629         // nothing to paint - processed
 630         return TRUE;
 631     }
 632 }
 633
 634 bool wxFrame::HandleSize(int x, int y, WXUINT id)
 635 {
 636     bool processed = FALSE;
 637 #ifndef __WXMICROWIN__
 638
 639     switch ( id )
 640     {
 641         case SIZENORMAL:
 642             // only do it it if we were iconized before, otherwise resizing the
 643             // parent frame has a curious side effect of bringing it under it's
 644             // children
 645             if ( !m_iconized )
 646                 break;
 647
 648             // restore all child frames too
 649             IconizeChildFrames(FALSE);
 650
 651             (void)SendIconizeEvent(FALSE);
 652
 653             // fall through
 654
 655         case SIZEFULLSCREEN:
 656             m_iconized = FALSE;
 657             break;
 658
 659         case SIZEICONIC:
 660             // iconize all child frames too
 661             IconizeChildFrames(TRUE);
 662
 663             (void)SendIconizeEvent();
 664
 665             m_iconized = TRUE;
 666             break;
 667     }
 668 #endif
 669
 670     if ( !m_iconized )
 671     {
 672 #if wxUSE_STATUSBAR
 673         PositionStatusBar();
 674 #endif // wxUSE_STATUSBAR
 675
 676 #if wxUSE_TOOLBAR
 677         PositionToolBar();
 678 #endif // wxUSE_TOOLBAR
 679
 680         wxSizeEvent event(wxSize(x, y), m_windowId);
 681         event.SetEventObject( this );
 682         processed = GetEventHandler()->ProcessEvent(event);
 683     }
 684
 685     return processed;
 686 }
 687
 688 bool wxFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND control)
 689 {
 690     if ( control )
 691     {
 692         // In case it's e.g. a toolbar.
 693         wxWindow *win = wxFindWinFromHandle(control);
 694         if ( win )
 695             return win->MSWCommand(cmd, id);
 696     }
 697
 698     // handle here commands from menus and accelerators
 699     if ( cmd == 0 || cmd == 1 )
 700     {
 701 #if wxUSE_MENUS_NATIVE
 702         if ( wxCurrentPopupMenu )
 703         {
 704             wxMenu *popupMenu = wxCurrentPopupMenu;
 705             wxCurrentPopupMenu = NULL;
 706
 707             return popupMenu->MSWCommand(cmd, id);
 708         }
 709 #endif // wxUSE_MENUS_NATIVE
 710
 711         if ( ProcessCommand(id) )
 712         {
 713             return TRUE;
 714         }
 715     }
 716
 717     return FALSE;
 718 }
 719
 720 bool wxFrame::HandleMenuSelect(WXWORD nItem, WXWORD flags, WXHMENU hMenu)
 721 {
 722     int item;
 723     if ( flags == 0xFFFF && hMenu == 0 )
 724     {
 725         // menu was removed from screen
 726         item = -1;
 727     }
 728 #ifndef __WXMICROWIN__
 729     else if ( !(flags & MF_POPUP) && !(flags & MF_SEPARATOR) )
 730     {
 731         item = nItem;
 732     }
 733 #endif
 734     else
 735     {
 736 #if wxUSE_STATUSBAR
 737         // don't give hints for separators (doesn't make sense) nor for the
 738         // items opening popup menus (they don't have them anyhow) but do clear
 739         // the status line - otherwise, we would be left with the help message
 740         // for the previous item which doesn't apply any more
 741         wxStatusBar *statbar = GetStatusBar();
 742         if ( statbar )
 743         {
 744             statbar->SetStatusText(wxEmptyString);
 745         }
 746 #endif // wxUSE_STATUSBAR
 747
 748         return FALSE;
 749     }
 750
 751     wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, item);
 752     event.SetEventObject( this );
 753
 754     return GetEventHandler()->ProcessEvent(event);
 755 }
 756
 757 // ---------------------------------------------------------------------------
 758 // the window proc for wxFrame
 759 // ---------------------------------------------------------------------------
 760
 761 long wxFrame::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 762 {
 763     long rc = 0;
 764     bool processed = FALSE;
 765
 766     switch ( message )
 767     {
 768         case WM_CLOSE:
 769             // if we can't close, tell the system that we processed the
 770             // message - otherwise it would close us
 771             processed = !Close();
 772             break;
 773
 774         case WM_COMMAND:
 775             {
 776                 WORD id, cmd;
 777                 WXHWND hwnd;
 778                 UnpackCommand((WXWPARAM)wParam, (WXLPARAM)lParam,
 779                               &id, &hwnd, &cmd);
 780
 781                 processed = HandleCommand(id, cmd, (WXHWND)hwnd);
 782             }
 783             break;
 784
 785 #ifndef __WXMICROWIN__
 786         case WM_MENUSELECT:
 787             {
 788                 WXWORD item, flags;
 789                 WXHMENU hmenu;
 790                 UnpackMenuSelect(wParam, lParam, &item, &flags, &hmenu);
 791
 792                 processed = HandleMenuSelect(item, flags, hmenu);
 793             }
 794             break;
 795 #endif
 796
 797         case WM_PAINT:
 798             processed = HandlePaint();
 799             break;
 800
 801 #ifndef __WXMICROWIN__
 802         case WM_QUERYDRAGICON:
 803             {
 804                 HICON hIcon = m_icon.Ok() ? GetHiconOf(m_icon)
 805                                           : (HICON)GetDefaultIcon();
 806                 rc = (long)hIcon;
 807                 processed = rc != 0;
 808             }
 809             break;
 810 #endif
 811
 812         case WM_SIZE:
 813             processed = HandleSize(LOWORD(lParam), HIWORD(lParam), wParam);
 814             break;
 815     }
 816
 817     if ( !processed )
 818         rc = wxWindow::MSWWindowProc(message, wParam, lParam);
 819
 820     return rc;
 821 }
 822