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
   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 #ifdef __WXWINCE__
  46 #include <commctrl.h>
  47 #endif
  48
  49 #if wxUSE_STATUSBAR
  50     #include "wx/statusbr.h"
  51     #include "wx/generic/statusbr.h"
  52 #endif // wxUSE_STATUSBAR
  53
  54 #if wxUSE_TOOLBAR
  55     #include "wx/toolbar.h"
  56 #endif // wxUSE_TOOLBAR
  57
  58 #include "wx/menuitem.h"
  59 #include "wx/log.h"
  60
  61 #ifdef __WXUNIVERSAL__
  62     #include "wx/univ/theme.h"
  63     #include "wx/univ/colschem.h"
  64 #endif // __WXUNIVERSAL__
  65
  66 // ----------------------------------------------------------------------------
  67 // globals
  68 // ----------------------------------------------------------------------------
  69
  70 #if wxUSE_MENUS_NATIVE
  71     extern wxMenu *wxCurrentPopupMenu;
  72 #endif // wxUSE_MENUS_NATIVE
  73
  74 // ----------------------------------------------------------------------------
  75 // event tables
  76 // ----------------------------------------------------------------------------
  77
  78 BEGIN_EVENT_TABLE(wxFrame, wxFrameBase)
  79     EVT_SYS_COLOUR_CHANGED(wxFrame::OnSysColourChanged)
  80 END_EVENT_TABLE()
  81
  82 IMPLEMENT_DYNAMIC_CLASS(wxFrame, wxTopLevelWindow)
  83
  84 // ============================================================================
  85 // implementation
  86 // ============================================================================
  87
  88 // ----------------------------------------------------------------------------
  89 // static class members
  90 // ----------------------------------------------------------------------------
  91
  92 #if wxUSE_STATUSBAR
  93     #if wxUSE_NATIVE_STATUSBAR
  94         bool wxFrame::m_useNativeStatusBar = TRUE;
  95     #else
  96         bool wxFrame::m_useNativeStatusBar = FALSE;
  97     #endif
  98 #endif // wxUSE_NATIVE_STATUSBAR
  99
 100 // ----------------------------------------------------------------------------
 101 // creation/destruction
 102 // ----------------------------------------------------------------------------
 103
 104 void wxFrame::Init()
 105 {
 106 #if wxUSE_TOOLTIPS
 107     m_hwndToolTip = 0;
 108 #endif
 109
 110     // Data to save/restore when calling ShowFullScreen
 111     m_fsStatusBarFields = 0;
 112     m_fsStatusBarHeight = 0;
 113     m_fsToolBarHeight = 0;
 114
 115     m_wasMinimized = FALSE;
 116 }
 117
 118 bool wxFrame::Create(wxWindow *parent,
 119                      wxWindowID id,
 120                      const wxString& title,
 121                      const wxPoint& pos,
 122                      const wxSize& size,
 123                      long style,
 124                      const wxString& name)
 125 {
 126     if ( !wxTopLevelWindow::Create(parent, id, title, pos, size, style, name) )
 127         return FALSE;
 128
 129     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE));
 130
 131     wxModelessWindows.Append(this);
 132
 133     return TRUE;
 134 }
 135
 136 wxFrame::~wxFrame()
 137 {
 138     m_isBeingDeleted = TRUE;
 139     DeleteAllBars();
 140 }
 141
 142 // ----------------------------------------------------------------------------
 143 // wxFrame client size calculations
 144 // ----------------------------------------------------------------------------
 145
 146 void wxFrame::DoSetClientSize(int width, int height)
 147 {
 148     // leave enough space for the status bar if we have (and show) it
 149 #if wxUSE_STATUSBAR
 150     wxStatusBar *statbar = GetStatusBar();
 151     if ( statbar && statbar->IsShown() )
 152     {
 153         height += statbar->GetSize().y;
 154     }
 155 #endif // wxUSE_STATUSBAR
 156
 157     // call GetClientAreaOrigin() to take the toolbar into account
 158     wxPoint pt = GetClientAreaOrigin();
 159     width += pt.x;
 160     height += pt.y;
 161
 162     wxTopLevelWindow::DoSetClientSize(width, height);
 163 }
 164
 165 // Get size *available for subwindows* i.e. excluding menu bar, toolbar etc.
 166 void wxFrame::DoGetClientSize(int *x, int *y) const
 167 {
 168     wxTopLevelWindow::DoGetClientSize(x, y);
 169
 170     // account for the possible toolbar
 171     wxPoint pt = GetClientAreaOrigin();
 172     if ( x )
 173         *x -= pt.x;
 174
 175     if ( y )
 176         *y -= pt.y;
 177
 178 #if wxUSE_STATUSBAR
 179     // adjust client area height to take the status bar into account
 180     if ( y )
 181     {
 182         wxStatusBar *statbar = GetStatusBar();
 183         if ( statbar && statbar->IsShown() )
 184         {
 185             *y -= statbar->GetClientSize().y;
 186         }
 187     }
 188 #endif // wxUSE_STATUSBAR
 189 }
 190
 191 // ----------------------------------------------------------------------------
 192 // wxFrame: various geometry-related functions
 193 // ----------------------------------------------------------------------------
 194
 195 void wxFrame::Raise()
 196 {
 197     ::SetForegroundWindow(GetHwnd());
 198 }
 199
 200 // generate an artificial resize event
 201 void wxFrame::SendSizeEvent()
 202 {
 203     if ( !m_iconized )
 204     {
 205         RECT r = wxGetWindowRect(GetHwnd());
 206
 207         (void)::PostMessage(GetHwnd(), WM_SIZE,
 208                             IsMaximized() ? SIZE_MAXIMIZED : SIZE_RESTORED,
 209                             MAKELPARAM(r.right - r.left, r.bottom - r.top));
 210     }
 211 }
 212
 213 #if wxUSE_STATUSBAR
 214 wxStatusBar *wxFrame::OnCreateStatusBar(int number,
 215                                         long style,
 216                                         wxWindowID id,
 217                                         const wxString& name)
 218 {
 219     wxStatusBar *statusBar = NULL;
 220
 221 #if wxUSE_NATIVE_STATUSBAR
 222     if ( !UsesNativeStatusBar() )
 223     {
 224         statusBar = (wxStatusBar *)new wxStatusBarGeneric(this, id, style);
 225     }
 226     else
 227 #endif
 228     {
 229         statusBar = new wxStatusBar(this, id, style, name);
 230     }
 231
 232     statusBar->SetFieldsCount(number);
 233
 234     return statusBar;
 235 }
 236
 237 void wxFrame::PositionStatusBar()
 238 {
 239     if ( !m_frameStatusBar || !m_frameStatusBar->IsShown() )
 240         return;
 241
 242     int w, h;
 243     GetClientSize(&w, &h);
 244     int sw, sh;
 245     m_frameStatusBar->GetSize(&sw, &sh);
 246
 247     // Since we wish the status bar to be directly under the client area,
 248     // we use the adjusted sizes without using wxSIZE_NO_ADJUSTMENTS.
 249     m_frameStatusBar->SetSize(0, h, w, sh);
 250 }
 251 #endif // wxUSE_STATUSBAR
 252
 253 #if wxUSE_MENUS_NATIVE
 254
 255 void wxFrame::AttachMenuBar(wxMenuBar *menubar)
 256 {
 257     wxFrameBase::AttachMenuBar(menubar);
 258
 259     if ( !menubar )
 260     {
 261         // actually remove the menu from the frame
 262         m_hMenu = (WXHMENU)0;
 263         InternalSetMenuBar();
 264     }
 265     else // set new non NULL menu bar
 266     {
 267 #ifndef __WXWINCE__
 268         // Can set a menubar several times.
 269         if ( menubar->GetHMenu() )
 270         {
 271             m_hMenu = menubar->GetHMenu();
 272         }
 273         else // no HMENU yet
 274         {
 275             m_hMenu = menubar->Create();
 276
 277             if ( !m_hMenu )
 278             {
 279                 wxFAIL_MSG( _T("failed to create menu bar") );
 280                 return;
 281             }
 282         }
 283 #endif
 284         InternalSetMenuBar();
 285     }
 286 }
 287
 288 void wxFrame::InternalSetMenuBar()
 289 {
 290 #ifdef __WXMICROWIN__
 291     // Nothing
 292 #elif defined(__WXWINCE__)
 293
 294     if (!GetToolBar())
 295     {
 296         wxToolBar* toolBar = new wxToolBar(this, -1,
 297                          wxDefaultPosition, wxDefaultSize,
 298                          wxBORDER_NONE | wxTB_HORIZONTAL,
 299                          wxToolBarNameStr, GetMenuBar());
 300         SetToolBar(toolBar);
 301     }
 302 #else
 303     if ( !::SetMenu(GetHwnd(), (HMENU)m_hMenu) )
 304     {
 305         wxLogLastError(wxT("SetMenu"));
 306     }
 307 #endif
 308 }
 309
 310 #endif // wxUSE_MENUS_NATIVE
 311
 312 // Responds to colour changes, and passes event on to children.
 313 void wxFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 314 {
 315     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE));
 316     Refresh();
 317
 318 #if wxUSE_STATUSBAR
 319     if ( m_frameStatusBar )
 320     {
 321         wxSysColourChangedEvent event2;
 322         event2.SetEventObject( m_frameStatusBar );
 323         m_frameStatusBar->GetEventHandler()->ProcessEvent(event2);
 324     }
 325 #endif // wxUSE_STATUSBAR
 326
 327     // Propagate the event to the non-top-level children
 328     wxWindow::OnSysColourChanged(event);
 329 }
 330
 331 // Pass TRUE to show full screen, FALSE to restore.
 332 bool wxFrame::ShowFullScreen(bool show, long style)
 333 {
 334     if ( IsFullScreen() == show )
 335         return FALSE;
 336
 337     if (show)
 338     {
 339 #if wxUSE_TOOLBAR
 340 #ifdef __WXWINCE__
 341         // TODO: hide commandbar
 342 #else
 343         wxToolBar *theToolBar = GetToolBar();
 344         if (theToolBar)
 345             theToolBar->GetSize(NULL, &m_fsToolBarHeight);
 346
 347         // zap the toolbar, menubar, and statusbar
 348
 349         if ((style & wxFULLSCREEN_NOTOOLBAR) && theToolBar)
 350         {
 351             theToolBar->SetSize(-1,0);
 352             theToolBar->Show(FALSE);
 353         }
 354 #endif // __WXWINCE__
 355 #endif // wxUSE_TOOLBAR
 356
 357         // TODO: make it work for WinCE
 358 #if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
 359         if (style & wxFULLSCREEN_NOMENUBAR)
 360             SetMenu((HWND)GetHWND(), (HMENU) NULL);
 361 #endif
 362
 363 #if wxUSE_STATUSBAR
 364         wxStatusBar *theStatusBar = GetStatusBar();
 365         if (theStatusBar)
 366             theStatusBar->GetSize(NULL, &m_fsStatusBarHeight);
 367
 368         // Save the number of fields in the statusbar
 369         if ((style & wxFULLSCREEN_NOSTATUSBAR) && theStatusBar)
 370         {
 371             //m_fsStatusBarFields = theStatusBar->GetFieldsCount();
 372             //SetStatusBar((wxStatusBar*) NULL);
 373             //delete theStatusBar;
 374             theStatusBar->Show(FALSE);
 375         }
 376         else
 377             m_fsStatusBarFields = 0;
 378 #endif // wxUSE_STATUSBAR
 379     }
 380     else
 381     {
 382 #if wxUSE_TOOLBAR
 383 #ifdef __WXWINCE__
 384         // TODO: show commandbar
 385 #else
 386         wxToolBar *theToolBar = GetToolBar();
 387
 388         // restore the toolbar, menubar, and statusbar
 389         if (theToolBar && (m_fsStyle & wxFULLSCREEN_NOTOOLBAR))
 390         {
 391             theToolBar->SetSize(-1, m_fsToolBarHeight);
 392             theToolBar->Show(TRUE);
 393         }
 394 #endif // __WXWINCE__
 395 #endif // wxUSE_TOOLBAR
 396
 397 #if wxUSE_STATUSBAR
 398         if ( m_fsStyle & wxFULLSCREEN_NOSTATUSBAR )
 399         {
 400             //CreateStatusBar(m_fsStatusBarFields);
 401             if (GetStatusBar())
 402             {
 403                 GetStatusBar()->Show(TRUE);
 404                 PositionStatusBar();
 405             }
 406         }
 407 #endif // wxUSE_STATUSBAR
 408
 409         // TODO: make it work for WinCE
 410 #if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
 411         if ((m_fsStyle & wxFULLSCREEN_NOMENUBAR) && (m_hMenu != 0))
 412             SetMenu((HWND)GetHWND(), (HMENU)m_hMenu);
 413 #endif
 414     }
 415
 416     return wxFrameBase::ShowFullScreen(show, style);
 417 }
 418
 419 // ----------------------------------------------------------------------------
 420 // tool/status bar stuff
 421 // ----------------------------------------------------------------------------
 422
 423 #if wxUSE_TOOLBAR
 424
 425 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
 426 {
 427 #ifdef __WXWINCE__
 428     // We may already have a toolbar from calling SetMenuBar.
 429     if (GetToolBar())
 430         return GetToolBar();
 431 #endif
 432     if ( wxFrameBase::CreateToolBar(style, id, name) )
 433     {
 434         PositionToolBar();
 435     }
 436
 437     return m_frameToolBar;
 438 }
 439
 440 void wxFrame::PositionToolBar()
 441 {
 442     wxToolBar *toolbar = GetToolBar();
 443     if ( toolbar && toolbar->IsShown() )
 444     {
 445 #ifdef __WXWINCE__
 446         // We want to do something different in WinCE, because
 447         // the toolbar should be associated with the commandbar,
 448         // and not an independent window.
 449         // TODO
 450 #else
 451         // don't call our (or even wxTopLevelWindow) version because we want
 452         // the real (full) client area size, not excluding the tool/status bar
 453         int width, height;
 454         wxWindow::DoGetClientSize(&width, &height);
 455
 456 #if wxUSE_STATUSBAR
 457         wxStatusBar *statbar = GetStatusBar();
 458         if ( statbar && statbar->IsShown() )
 459         {
 460             height -= statbar->GetClientSize().y;
 461         }
 462 #endif // wxUSE_STATUSBAR
 463
 464         int tw, th;
 465         toolbar->GetSize(&tw, &th);
 466
 467         if ( toolbar->GetWindowStyleFlag() & wxTB_VERTICAL )
 468         {
 469             th = height;
 470         }
 471         else
 472         {
 473             tw = width;
 474             if ( toolbar->GetWindowStyleFlag() & wxTB_FLAT )
 475                 th -= 3;
 476         }
 477
 478         // use the 'real' MSW position here, don't offset relativly to the
 479         // client area origin
 480         toolbar->SetSize(0, 0, tw, th, wxSIZE_NO_ADJUSTMENTS);
 481 #endif // __WXWINCE__
 482     }
 483 }
 484
 485 #endif // wxUSE_TOOLBAR
 486
 487 // ----------------------------------------------------------------------------
 488 // frame state (iconized/maximized/...)
 489 // ----------------------------------------------------------------------------
 490
 491 // propagate our state change to all child frames: this allows us to emulate X
 492 // Windows behaviour where child frames float independently of the parent one
 493 // on the desktop, but are iconized/restored with it
 494 void wxFrame::IconizeChildFrames(bool bIconize)
 495 {
 496     for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 497           node;
 498           node = node->GetNext() )
 499     {
 500         wxWindow *win = node->GetData();
 501
 502         // iconizing the frames with this style under Win95 shell puts them at
 503         // the bottom of the screen (as the MDI children) instead of making
 504         // them appear in the taskbar because they are, by virtue of this
 505         // style, not managed by the taskbar - instead leave Windows take care
 506         // of them
 507 #ifdef __WIN95__
 508         if ( win->GetWindowStyle() & wxFRAME_TOOL_WINDOW )
 509             continue;
 510 #endif // Win95
 511
 512         // the child MDI frames are a special case and should not be touched by
 513         // the parent frame - instead, they are managed by the user
 514         wxFrame *frame = wxDynamicCast(win, wxFrame);
 515         if ( frame
 516 #if wxUSE_MDI_ARCHITECTURE
 517                 && !wxDynamicCast(frame, wxMDIChildFrame)
 518 #endif // wxUSE_MDI_ARCHITECTURE
 519            )
 520         {
 521             // we don't want to restore the child frames which had been
 522             // iconized even before we were iconized, so save the child frame
 523             // status when iconizing the parent frame and check it when
 524             // restoring it
 525             if ( bIconize )
 526             {
 527                 // note that we shouldn't touch the hidden frames neither
 528                 // because iconizing/restoring them would show them as a side
 529                 // effect
 530                 frame->m_wasMinimized = frame->IsIconized() || !frame->IsShown();
 531             }
 532
 533             // this test works for both iconizing and restoring
 534             if ( !frame->m_wasMinimized )
 535                 frame->Iconize(bIconize);
 536         }
 537     }
 538 }
 539
 540 WXHICON wxFrame::GetDefaultIcon() const
 541 {
 542     // we don't have any standard icons (any more)
 543     return (WXHICON)0;
 544 }
 545
 546 // ===========================================================================
 547 // message processing
 548 // ===========================================================================
 549
 550 // ---------------------------------------------------------------------------
 551 // preprocessing
 552 // ---------------------------------------------------------------------------
 553
 554 bool wxFrame::MSWTranslateMessage(WXMSG* pMsg)
 555 {
 556     if ( wxWindow::MSWTranslateMessage(pMsg) )
 557         return TRUE;
 558
 559 #if wxUSE_MENUS && wxUSE_ACCEL && !defined(__WXUNIVERSAL__)
 560     // try the menu bar accels
 561     wxMenuBar *menuBar = GetMenuBar();
 562     if ( !menuBar )
 563         return FALSE;
 564
 565     const wxAcceleratorTable& acceleratorTable = menuBar->GetAccelTable();
 566     return acceleratorTable.Translate(this, pMsg);
 567 #else
 568     return FALSE;
 569 #endif // wxUSE_MENUS && wxUSE_ACCEL
 570 }
 571
 572 // ---------------------------------------------------------------------------
 573 // our private (non virtual) message handlers
 574 // ---------------------------------------------------------------------------
 575
 576 bool wxFrame::HandlePaint()
 577 {
 578     RECT rect;
 579     if ( GetUpdateRect(GetHwnd(), &rect, FALSE) )
 580     {
 581 #if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
 582         if ( m_iconized )
 583         {
 584             const wxIcon& icon = GetIcon();
 585             HICON hIcon = icon.Ok() ? GetHiconOf(icon)
 586                                     : (HICON)GetDefaultIcon();
 587
 588             // Hold a pointer to the dc so long as the OnPaint() message
 589             // is being processed
 590             PAINTSTRUCT ps;
 591             HDC hdc = ::BeginPaint(GetHwnd(), &ps);
 592
 593             // Erase background before painting or we get white background
 594             MSWDefWindowProc(WM_ICONERASEBKGND, (WORD)(LONG)ps.hdc, 0L);
 595
 596             if ( hIcon )
 597             {
 598                 RECT rect;
 599                 ::GetClientRect(GetHwnd(), &rect);
 600
 601                 // FIXME: why hardcoded?
 602                 static const int icon_width = 32;
 603                 static const int icon_height = 32;
 604
 605                 int icon_x = (int)((rect.right - icon_width)/2);
 606                 int icon_y = (int)((rect.bottom - icon_height)/2);
 607
 608                 ::DrawIcon(hdc, icon_x, icon_y, hIcon);
 609             }
 610
 611             ::EndPaint(GetHwnd(), &ps);
 612
 613             return TRUE;
 614         }
 615         else
 616  #endif
 617         {
 618             return wxWindow::HandlePaint();
 619         }
 620     }
 621     else
 622     {
 623         // nothing to paint - processed
 624         return TRUE;
 625     }
 626 }
 627
 628 bool wxFrame::HandleSize(int x, int y, WXUINT id)
 629 {
 630     bool processed = FALSE;
 631 #if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
 632
 633     switch ( id )
 634     {
 635         case SIZENORMAL:
 636             // only do it it if we were iconized before, otherwise resizing the
 637             // parent frame has a curious side effect of bringing it under it's
 638             // children
 639             if ( !m_iconized )
 640                 break;
 641
 642             // restore all child frames too
 643             IconizeChildFrames(FALSE);
 644
 645             (void)SendIconizeEvent(FALSE);
 646
 647             // fall through
 648
 649         case SIZEFULLSCREEN:
 650             m_iconized = FALSE;
 651             break;
 652
 653         case SIZEICONIC:
 654             // iconize all child frames too
 655             IconizeChildFrames(TRUE);
 656
 657             (void)SendIconizeEvent();
 658
 659             m_iconized = TRUE;
 660             break;
 661     }
 662 #endif
 663
 664     if ( !m_iconized )
 665     {
 666 #if wxUSE_STATUSBAR
 667         PositionStatusBar();
 668 #endif // wxUSE_STATUSBAR
 669
 670 #if wxUSE_TOOLBAR
 671         PositionToolBar();
 672 #endif // wxUSE_TOOLBAR
 673
 674         processed = wxWindow::HandleSize(x, y, id);
 675     }
 676
 677     return processed;
 678 }
 679
 680 bool wxFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND control)
 681 {
 682     if ( control )
 683     {
 684         // In case it's e.g. a toolbar.
 685         wxWindow *win = wxFindWinFromHandle(control);
 686         if ( win )
 687             return win->MSWCommand(cmd, id);
 688     }
 689
 690     // handle here commands from menus and accelerators
 691     if ( cmd == 0 || cmd == 1 )
 692     {
 693 #if wxUSE_MENUS_NATIVE
 694         if ( wxCurrentPopupMenu )
 695         {
 696             wxMenu *popupMenu = wxCurrentPopupMenu;
 697             wxCurrentPopupMenu = NULL;
 698
 699             return popupMenu->MSWCommand(cmd, id);
 700         }
 701 #endif // wxUSE_MENUS_NATIVE
 702
 703         if ( ProcessCommand(id) )
 704         {
 705             return TRUE;
 706         }
 707     }
 708
 709     return FALSE;
 710 }
 711
 712 bool wxFrame::HandleMenuSelect(WXWORD nItem, WXWORD flags, WXHMENU hMenu)
 713 {
 714     int item;
 715     if ( flags == 0xFFFF && hMenu == 0 )
 716     {
 717         // menu was removed from screen
 718         item = -1;
 719     }
 720 #ifndef __WXMICROWIN__
 721     else if ( !(flags & MF_POPUP) && !(flags & MF_SEPARATOR) )
 722     {
 723         item = nItem;
 724     }
 725 #endif
 726     else
 727     {
 728         // don't give hints for separators (doesn't make sense) nor for the
 729         // items opening popup menus (they don't have them anyhow) but do clear
 730         // the status line - otherwise, we would be left with the help message
 731         // for the previous item which doesn't apply any more
 732         DoGiveHelp(wxEmptyString, FALSE);
 733
 734         return FALSE;
 735     }
 736
 737     wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, item);
 738     event.SetEventObject(this);
 739
 740     return GetEventHandler()->ProcessEvent(event);
 741 }
 742
 743 bool wxFrame::HandleMenuLoop(const wxEventType& evtType, WXWORD isPopup)
 744 {
 745     // we don't have the menu id here, so we use the id to specify if the event
 746     // was from a popup menu or a normal one
 747     wxMenuEvent event(evtType, isPopup ? -1 : 0);
 748     event.SetEventObject(this);
 749
 750     return GetEventHandler()->ProcessEvent(event);
 751 }
 752
 753 // ---------------------------------------------------------------------------
 754 // the window proc for wxFrame
 755 // ---------------------------------------------------------------------------
 756
 757 long wxFrame::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 758 {
 759     long rc = 0;
 760     bool processed = FALSE;
 761
 762     switch ( message )
 763     {
 764         case WM_CLOSE:
 765             // if we can't close, tell the system that we processed the
 766             // message - otherwise it would close us
 767             processed = !Close();
 768             break;
 769
 770         case WM_SIZE:
 771             processed = HandleSize(LOWORD(lParam), HIWORD(lParam), wParam);
 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         case WM_PAINT:
 786             processed = HandlePaint();
 787             break;
 788
 789         case WM_INITMENUPOPUP:
 790             processed = HandleInitMenuPopup((WXHMENU) wParam);
 791             break;
 792
 793 #if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
 794         case WM_MENUSELECT:
 795             {
 796                 WXWORD item, flags;
 797                 WXHMENU hmenu;
 798                 UnpackMenuSelect(wParam, lParam, &item, &flags, &hmenu);
 799
 800                 processed = HandleMenuSelect(item, flags, hmenu);
 801             }
 802             break;
 803
 804         case WM_EXITMENULOOP:
 805             processed = HandleMenuLoop(wxEVT_MENU_CLOSE, wParam);
 806             break;
 807
 808         case WM_QUERYDRAGICON:
 809             {
 810                 const wxIcon& icon = GetIcon();
 811                 HICON hIcon = icon.Ok() ? GetHiconOf(icon)
 812                                         : (HICON)GetDefaultIcon();
 813                 rc = (long)hIcon;
 814                 processed = rc != 0;
 815             }
 816             break;
 817 #endif // !__WXMICROWIN__
 818     }
 819
 820     if ( !processed )
 821         rc = wxFrameBase::MSWWindowProc(message, wParam, lParam);
 822
 823     return rc;
 824 }
 825
 826 // handle WM_INITMENUPOPUP message
 827 bool wxFrame::HandleInitMenuPopup(WXHMENU hMenu)
 828 {
 829     wxMenu* menu = NULL;
 830     if (GetMenuBar())
 831     {
 832         int nCount = GetMenuBar()->GetMenuCount();
 833         for (int n = 0; n < nCount; n++)
 834         {
 835             if (GetMenuBar()->GetMenu(n)->GetHMenu() == hMenu)
 836             {
 837                 menu = GetMenuBar()->GetMenu(n);
 838                 break;
 839             }
 840         }
 841     }
 842
 843     wxMenuEvent event(wxEVT_MENU_OPEN, 0, menu);
 844     event.SetEventObject(this);
 845
 846     return GetEventHandler()->ProcessEvent(event);
 847 }