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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  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 #if wxUSE_EXTENDED_RTTI
  83 WX_DEFINE_FLAGS( wxFrameStyle )
  84
  85 WX_BEGIN_FLAGS( wxFrameStyle )
  86     // new style border flags, we put them first to
  87     // use them for streaming out
  88     WX_FLAGS_MEMBER(wxBORDER_SIMPLE)
  89     WX_FLAGS_MEMBER(wxBORDER_SUNKEN)
  90     WX_FLAGS_MEMBER(wxBORDER_DOUBLE)
  91     WX_FLAGS_MEMBER(wxBORDER_RAISED)
  92     WX_FLAGS_MEMBER(wxBORDER_STATIC)
  93     WX_FLAGS_MEMBER(wxBORDER_NONE)
  94
  95     // old style border flags
  96     WX_FLAGS_MEMBER(wxSIMPLE_BORDER)
  97     WX_FLAGS_MEMBER(wxSUNKEN_BORDER)
  98     WX_FLAGS_MEMBER(wxDOUBLE_BORDER)
  99     WX_FLAGS_MEMBER(wxRAISED_BORDER)
 100     WX_FLAGS_MEMBER(wxSTATIC_BORDER)
 101     WX_FLAGS_MEMBER(wxNO_BORDER)
 102
 103     // standard window styles
 104     WX_FLAGS_MEMBER(wxTAB_TRAVERSAL)
 105     WX_FLAGS_MEMBER(wxCLIP_CHILDREN)
 106     WX_FLAGS_MEMBER(wxTRANSPARENT_WINDOW)
 107     WX_FLAGS_MEMBER(wxWANTS_CHARS)
 108     WX_FLAGS_MEMBER(wxNO_FULL_REPAINT_ON_RESIZE)
 109     WX_FLAGS_MEMBER(wxALWAYS_SHOW_SB )
 110     WX_FLAGS_MEMBER(wxVSCROLL)
 111     WX_FLAGS_MEMBER(wxHSCROLL)
 112
 113     // frame styles
 114     WX_FLAGS_MEMBER(wxSTAY_ON_TOP)
 115     WX_FLAGS_MEMBER(wxCAPTION)
 116     WX_FLAGS_MEMBER(wxTHICK_FRAME)
 117     WX_FLAGS_MEMBER(wxSYSTEM_MENU)
 118     WX_FLAGS_MEMBER(wxRESIZE_BORDER)
 119     WX_FLAGS_MEMBER(wxRESIZE_BOX)
 120     WX_FLAGS_MEMBER(wxCLOSE_BOX)
 121     WX_FLAGS_MEMBER(wxMAXIMIZE_BOX)
 122     WX_FLAGS_MEMBER(wxMINIMIZE_BOX)
 123
 124     WX_FLAGS_MEMBER(wxFRAME_TOOL_WINDOW)
 125     WX_FLAGS_MEMBER(wxFRAME_FLOAT_ON_PARENT)
 126
 127     WX_FLAGS_MEMBER(wxFRAME_SHAPED)
 128
 129 WX_END_FLAGS( wxFrameStyle )
 130
 131 IMPLEMENT_DYNAMIC_CLASS_XTI(wxFrame, wxTopLevelWindow,"wx/frame.h")
 132
 133 WX_BEGIN_PROPERTIES_TABLE(wxFrame)
 134         WX_PROPERTY( Title,wxString, SetTitle, GetTitle, wxEmptyString , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
 135     WX_PROPERTY_FLAGS( WindowStyle , wxFrameStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
 136 /*
 137         TODO PROPERTIES
 138
 139                 style (wxDEFAULT_FRAME_STYLE)
 140                 centered (bool, false )
 141 */
 142 WX_END_PROPERTIES_TABLE()
 143
 144 WX_BEGIN_HANDLERS_TABLE(wxFrame)
 145 WX_END_HANDLERS_TABLE()
 146
 147 WX_CONSTRUCTOR_6( wxFrame , wxWindow* , Parent , wxWindowID , Id , wxString , Title , wxPoint , Position , wxSize , Size , long , WindowStyle)
 148
 149 #else
 150 IMPLEMENT_DYNAMIC_CLASS(wxFrame, wxTopLevelWindow)
 151 #endif
 152
 153 // ============================================================================
 154 // implementation
 155 // ============================================================================
 156
 157 // ----------------------------------------------------------------------------
 158 // static class members
 159 // ----------------------------------------------------------------------------
 160
 161 #if wxUSE_STATUSBAR
 162     #if wxUSE_NATIVE_STATUSBAR
 163         bool wxFrame::m_useNativeStatusBar = TRUE;
 164     #else
 165         bool wxFrame::m_useNativeStatusBar = FALSE;
 166     #endif
 167 #endif // wxUSE_NATIVE_STATUSBAR
 168
 169 // ----------------------------------------------------------------------------
 170 // creation/destruction
 171 // ----------------------------------------------------------------------------
 172
 173 void wxFrame::Init()
 174 {
 175 #if wxUSE_TOOLTIPS
 176     m_hwndToolTip = 0;
 177 #endif
 178
 179     // Data to save/restore when calling ShowFullScreen
 180     m_fsStatusBarFields = 0;
 181     m_fsStatusBarHeight = 0;
 182     m_fsToolBarHeight = 0;
 183
 184     m_wasMinimized = FALSE;
 185 }
 186
 187 bool wxFrame::Create(wxWindow *parent,
 188                      wxWindowID id,
 189                      const wxString& title,
 190                      const wxPoint& pos,
 191                      const wxSize& size,
 192                      long style,
 193                      const wxString& name)
 194 {
 195     if ( !wxTopLevelWindow::Create(parent, id, title, pos, size, style, name) )
 196         return FALSE;
 197
 198     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE));
 199
 200     wxModelessWindows.Append(this);
 201
 202     return TRUE;
 203 }
 204
 205 wxFrame::~wxFrame()
 206 {
 207     m_isBeingDeleted = TRUE;
 208     DeleteAllBars();
 209 }
 210
 211 // ----------------------------------------------------------------------------
 212 // wxFrame client size calculations
 213 // ----------------------------------------------------------------------------
 214
 215 void wxFrame::DoSetClientSize(int width, int height)
 216 {
 217     // leave enough space for the status bar if we have (and show) it
 218 #if wxUSE_STATUSBAR
 219     wxStatusBar *statbar = GetStatusBar();
 220     if ( statbar && statbar->IsShown() )
 221     {
 222         height += statbar->GetSize().y;
 223     }
 224 #endif // wxUSE_STATUSBAR
 225
 226     // call GetClientAreaOrigin() to take the toolbar into account
 227     wxPoint pt = GetClientAreaOrigin();
 228     width += pt.x;
 229     height += pt.y;
 230
 231     wxTopLevelWindow::DoSetClientSize(width, height);
 232 }
 233
 234 // Get size *available for subwindows* i.e. excluding menu bar, toolbar etc.
 235 void wxFrame::DoGetClientSize(int *x, int *y) const
 236 {
 237     wxTopLevelWindow::DoGetClientSize(x, y);
 238
 239     // account for the possible toolbar
 240     wxPoint pt = GetClientAreaOrigin();
 241     if ( x )
 242         *x -= pt.x;
 243
 244     if ( y )
 245         *y -= pt.y;
 246
 247 #if wxUSE_STATUSBAR
 248     // adjust client area height to take the status bar into account
 249     if ( y )
 250     {
 251         wxStatusBar *statbar = GetStatusBar();
 252         if ( statbar && statbar->IsShown() )
 253         {
 254             *y -= statbar->GetClientSize().y;
 255         }
 256     }
 257 #endif // wxUSE_STATUSBAR
 258 }
 259
 260 // ----------------------------------------------------------------------------
 261 // wxFrame: various geometry-related functions
 262 // ----------------------------------------------------------------------------
 263
 264 void wxFrame::Raise()
 265 {
 266     ::SetForegroundWindow(GetHwnd());
 267 }
 268
 269 // generate an artificial resize event
 270 void wxFrame::SendSizeEvent()
 271 {
 272     if ( !m_iconized )
 273     {
 274         RECT r = wxGetWindowRect(GetHwnd());
 275
 276         (void)::PostMessage(GetHwnd(), WM_SIZE,
 277                             IsMaximized() ? SIZE_MAXIMIZED : SIZE_RESTORED,
 278                             MAKELPARAM(r.right - r.left, r.bottom - r.top));
 279     }
 280 }
 281
 282 #if wxUSE_STATUSBAR
 283 wxStatusBar *wxFrame::OnCreateStatusBar(int number,
 284                                         long style,
 285                                         wxWindowID id,
 286                                         const wxString& name)
 287 {
 288     wxStatusBar *statusBar = NULL;
 289
 290 #if wxUSE_NATIVE_STATUSBAR
 291     if ( !UsesNativeStatusBar() )
 292     {
 293         statusBar = (wxStatusBar *)new wxStatusBarGeneric(this, id, style);
 294     }
 295     else
 296 #endif
 297     {
 298         statusBar = new wxStatusBar(this, id, style, name);
 299     }
 300
 301     statusBar->SetFieldsCount(number);
 302
 303     return statusBar;
 304 }
 305
 306 void wxFrame::PositionStatusBar()
 307 {
 308     if ( !m_frameStatusBar || !m_frameStatusBar->IsShown() )
 309         return;
 310
 311     int w, h;
 312     GetClientSize(&w, &h);
 313     int sw, sh;
 314     m_frameStatusBar->GetSize(&sw, &sh);
 315
 316     // Since we wish the status bar to be directly under the client area,
 317     // we use the adjusted sizes without using wxSIZE_NO_ADJUSTMENTS.
 318     m_frameStatusBar->SetSize(0, h, w, sh);
 319 }
 320 #endif // wxUSE_STATUSBAR
 321
 322 #if wxUSE_MENUS_NATIVE
 323
 324 void wxFrame::AttachMenuBar(wxMenuBar *menubar)
 325 {
 326     wxFrameBase::AttachMenuBar(menubar);
 327
 328     if ( !menubar )
 329     {
 330         // actually remove the menu from the frame
 331         m_hMenu = (WXHMENU)0;
 332         InternalSetMenuBar();
 333     }
 334     else // set new non NULL menu bar
 335     {
 336 #ifndef __WXWINCE__
 337         // Can set a menubar several times.
 338         if ( menubar->GetHMenu() )
 339         {
 340             m_hMenu = menubar->GetHMenu();
 341         }
 342         else // no HMENU yet
 343         {
 344             m_hMenu = menubar->Create();
 345
 346             if ( !m_hMenu )
 347             {
 348                 wxFAIL_MSG( _T("failed to create menu bar") );
 349                 return;
 350             }
 351         }
 352 #endif
 353         InternalSetMenuBar();
 354     }
 355 }
 356
 357 void wxFrame::InternalSetMenuBar()
 358 {
 359 #ifdef __WXMICROWIN__
 360     // Nothing
 361 #elif defined(__WXWINCE__)
 362
 363     if (!GetToolBar())
 364     {
 365         wxToolBar* toolBar = new wxToolBar(this, -1,
 366                          wxDefaultPosition, wxDefaultSize,
 367                          wxBORDER_NONE | wxTB_HORIZONTAL,
 368                          wxToolBarNameStr, GetMenuBar());
 369         SetToolBar(toolBar);
 370     }
 371 #else
 372     if ( !::SetMenu(GetHwnd(), (HMENU)m_hMenu) )
 373     {
 374         wxLogLastError(wxT("SetMenu"));
 375     }
 376 #endif
 377 }
 378
 379 #endif // wxUSE_MENUS_NATIVE
 380
 381 // Responds to colour changes, and passes event on to children.
 382 void wxFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 383 {
 384     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE));
 385     Refresh();
 386
 387 #if wxUSE_STATUSBAR
 388     if ( m_frameStatusBar )
 389     {
 390         wxSysColourChangedEvent event2;
 391         event2.SetEventObject( m_frameStatusBar );
 392         m_frameStatusBar->GetEventHandler()->ProcessEvent(event2);
 393     }
 394 #endif // wxUSE_STATUSBAR
 395
 396     // Propagate the event to the non-top-level children
 397     wxWindow::OnSysColourChanged(event);
 398 }
 399
 400 // Pass TRUE to show full screen, FALSE to restore.
 401 bool wxFrame::ShowFullScreen(bool show, long style)
 402 {
 403     if ( IsFullScreen() == show )
 404         return FALSE;
 405
 406     if (show)
 407     {
 408 #if wxUSE_TOOLBAR
 409 #ifdef __WXWINCE__
 410         // TODO: hide commandbar
 411 #else
 412         wxToolBar *theToolBar = GetToolBar();
 413         if (theToolBar)
 414             theToolBar->GetSize(NULL, &m_fsToolBarHeight);
 415
 416         // zap the toolbar, menubar, and statusbar
 417
 418         if ((style & wxFULLSCREEN_NOTOOLBAR) && theToolBar)
 419         {
 420             theToolBar->SetSize(-1,0);
 421             theToolBar->Show(FALSE);
 422         }
 423 #endif // __WXWINCE__
 424 #endif // wxUSE_TOOLBAR
 425
 426         // TODO: make it work for WinCE
 427 #if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
 428         if (style & wxFULLSCREEN_NOMENUBAR)
 429             SetMenu((HWND)GetHWND(), (HMENU) NULL);
 430 #endif
 431
 432 #if wxUSE_STATUSBAR
 433         wxStatusBar *theStatusBar = GetStatusBar();
 434         if (theStatusBar)
 435             theStatusBar->GetSize(NULL, &m_fsStatusBarHeight);
 436
 437         // Save the number of fields in the statusbar
 438         if ((style & wxFULLSCREEN_NOSTATUSBAR) && theStatusBar)
 439         {
 440             //m_fsStatusBarFields = theStatusBar->GetFieldsCount();
 441             //SetStatusBar((wxStatusBar*) NULL);
 442             //delete theStatusBar;
 443             theStatusBar->Show(FALSE);
 444         }
 445         else
 446             m_fsStatusBarFields = 0;
 447 #endif // wxUSE_STATUSBAR
 448     }
 449     else
 450     {
 451 #if wxUSE_TOOLBAR
 452 #ifdef __WXWINCE__
 453         // TODO: show commandbar
 454 #else
 455         wxToolBar *theToolBar = GetToolBar();
 456
 457         // restore the toolbar, menubar, and statusbar
 458         if (theToolBar && (m_fsStyle & wxFULLSCREEN_NOTOOLBAR))
 459         {
 460             theToolBar->SetSize(-1, m_fsToolBarHeight);
 461             theToolBar->Show(TRUE);
 462         }
 463 #endif // __WXWINCE__
 464 #endif // wxUSE_TOOLBAR
 465
 466 #if wxUSE_STATUSBAR
 467         if ( m_fsStyle & wxFULLSCREEN_NOSTATUSBAR )
 468         {
 469             //CreateStatusBar(m_fsStatusBarFields);
 470             if (GetStatusBar())
 471             {
 472                 GetStatusBar()->Show(TRUE);
 473                 PositionStatusBar();
 474             }
 475         }
 476 #endif // wxUSE_STATUSBAR
 477
 478         // TODO: make it work for WinCE
 479 #if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
 480         if ((m_fsStyle & wxFULLSCREEN_NOMENUBAR) && (m_hMenu != 0))
 481             SetMenu((HWND)GetHWND(), (HMENU)m_hMenu);
 482 #endif
 483     }
 484
 485     return wxFrameBase::ShowFullScreen(show, style);
 486 }
 487
 488 // ----------------------------------------------------------------------------
 489 // tool/status bar stuff
 490 // ----------------------------------------------------------------------------
 491
 492 #if wxUSE_TOOLBAR
 493
 494 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
 495 {
 496 #ifdef __WXWINCE__
 497     // We may already have a toolbar from calling SetMenuBar.
 498     if (GetToolBar())
 499         return GetToolBar();
 500 #endif
 501     if ( wxFrameBase::CreateToolBar(style, id, name) )
 502     {
 503         PositionToolBar();
 504     }
 505
 506     return m_frameToolBar;
 507 }
 508
 509 void wxFrame::PositionToolBar()
 510 {
 511     wxToolBar *toolbar = GetToolBar();
 512     if ( toolbar && toolbar->IsShown() )
 513     {
 514 #ifdef __WXWINCE__
 515         // We want to do something different in WinCE, because
 516         // the toolbar should be associated with the commandbar,
 517         // and not an independent window.
 518         // TODO
 519 #else
 520         // don't call our (or even wxTopLevelWindow) version because we want
 521         // the real (full) client area size, not excluding the tool/status bar
 522         int width, height;
 523         wxWindow::DoGetClientSize(&width, &height);
 524
 525 #if wxUSE_STATUSBAR
 526         wxStatusBar *statbar = GetStatusBar();
 527         if ( statbar && statbar->IsShown() )
 528         {
 529             height -= statbar->GetClientSize().y;
 530         }
 531 #endif // wxUSE_STATUSBAR
 532
 533         int tx, ty;
 534         int tw, th;
 535         toolbar->GetPosition(&tx, &ty);
 536         toolbar->GetSize(&tw, &th);
 537
 538         // Adjust
 539         if (ty < 0 && (-ty == th))
 540             ty = 0;
 541         if (tx < 0 && (-tx == tw))
 542             tx = 0;
 543
 544         int desiredW = tw;
 545         int desiredH = th;
 546
 547         if ( toolbar->GetWindowStyleFlag() & wxTB_VERTICAL )
 548         {
 549             desiredH = height;
 550         }
 551         else
 552         {
 553             desiredW = width;
 554 //            if ( toolbar->GetWindowStyleFlag() & wxTB_FLAT )
 555 //                desiredW -= 3;
 556         }
 557
 558         // use the 'real' MSW position here, don't offset relativly to the
 559         // client area origin
 560
 561         // Optimise such that we don't have to always resize the toolbar
 562         // when the frame changes, otherwise we'll get a lot of flicker.
 563         bool heightChanging = TRUE;
 564         bool widthChanging = TRUE;
 565
 566         if ( toolbar->GetWindowStyleFlag() & wxTB_VERTICAL )
 567         {
 568             // It's OK if the current height is greater than what can be shown.
 569             heightChanging = (desiredH > th) ;
 570             widthChanging = (desiredW != tw) ;
 571
 572             // The next time around, we may not have to set the size
 573             if (heightChanging)
 574                 desiredH = desiredH + 200;
 575         }
 576         else
 577         {
 578             // It's OK if the current width is greater than what can be shown.
 579             widthChanging = (desiredW > tw) ;
 580             heightChanging = (desiredH != th) ;
 581
 582             // The next time around, we may not have to set the size
 583             if (widthChanging)
 584                 desiredW = desiredW + 200;
 585         }
 586
 587         if (tx != 0 || ty != 0 || widthChanging || heightChanging)
 588             toolbar->SetSize(0, 0, desiredW, desiredH, wxSIZE_NO_ADJUSTMENTS);
 589
 590 #endif // __WXWINCE__
 591     }
 592 }
 593
 594 #endif // wxUSE_TOOLBAR
 595
 596 // ----------------------------------------------------------------------------
 597 // frame state (iconized/maximized/...)
 598 // ----------------------------------------------------------------------------
 599
 600 // propagate our state change to all child frames: this allows us to emulate X
 601 // Windows behaviour where child frames float independently of the parent one
 602 // on the desktop, but are iconized/restored with it
 603 void wxFrame::IconizeChildFrames(bool bIconize)
 604 {
 605     for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 606           node;
 607           node = node->GetNext() )
 608     {
 609         wxWindow *win = node->GetData();
 610
 611         // iconizing the frames with this style under Win95 shell puts them at
 612         // the bottom of the screen (as the MDI children) instead of making
 613         // them appear in the taskbar because they are, by virtue of this
 614         // style, not managed by the taskbar - instead leave Windows take care
 615         // of them
 616 #ifdef __WIN95__
 617         if ( win->GetWindowStyle() & wxFRAME_TOOL_WINDOW )
 618             continue;
 619 #endif // Win95
 620
 621         // the child MDI frames are a special case and should not be touched by
 622         // the parent frame - instead, they are managed by the user
 623         wxFrame *frame = wxDynamicCast(win, wxFrame);
 624         if ( frame
 625 #if wxUSE_MDI_ARCHITECTURE
 626                 && !wxDynamicCast(frame, wxMDIChildFrame)
 627 #endif // wxUSE_MDI_ARCHITECTURE
 628            )
 629         {
 630             // we don't want to restore the child frames which had been
 631             // iconized even before we were iconized, so save the child frame
 632             // status when iconizing the parent frame and check it when
 633             // restoring it
 634             if ( bIconize )
 635             {
 636                 // note that we shouldn't touch the hidden frames neither
 637                 // because iconizing/restoring them would show them as a side
 638                 // effect
 639                 frame->m_wasMinimized = frame->IsIconized() || !frame->IsShown();
 640             }
 641
 642             // this test works for both iconizing and restoring
 643             if ( !frame->m_wasMinimized )
 644                 frame->Iconize(bIconize);
 645         }
 646     }
 647 }
 648
 649 WXHICON wxFrame::GetDefaultIcon() const
 650 {
 651     // we don't have any standard icons (any more)
 652     return (WXHICON)0;
 653 }
 654
 655 // ===========================================================================
 656 // message processing
 657 // ===========================================================================
 658
 659 // ---------------------------------------------------------------------------
 660 // preprocessing
 661 // ---------------------------------------------------------------------------
 662
 663 bool wxFrame::MSWTranslateMessage(WXMSG* pMsg)
 664 {
 665     if ( wxWindow::MSWTranslateMessage(pMsg) )
 666         return TRUE;
 667
 668 #if wxUSE_MENUS && wxUSE_ACCEL && !defined(__WXUNIVERSAL__)
 669     // try the menu bar accels
 670     wxMenuBar *menuBar = GetMenuBar();
 671     if ( !menuBar )
 672         return FALSE;
 673
 674     const wxAcceleratorTable& acceleratorTable = menuBar->GetAccelTable();
 675     return acceleratorTable.Translate(this, pMsg);
 676 #else
 677     return FALSE;
 678 #endif // wxUSE_MENUS && wxUSE_ACCEL
 679 }
 680
 681 // ---------------------------------------------------------------------------
 682 // our private (non virtual) message handlers
 683 // ---------------------------------------------------------------------------
 684
 685 bool wxFrame::HandlePaint()
 686 {
 687     RECT rect;
 688     if ( GetUpdateRect(GetHwnd(), &rect, FALSE) )
 689     {
 690 #if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
 691         if ( m_iconized )
 692         {
 693             const wxIcon& icon = GetIcon();
 694             HICON hIcon = icon.Ok() ? GetHiconOf(icon)
 695                                     : (HICON)GetDefaultIcon();
 696
 697             // Hold a pointer to the dc so long as the OnPaint() message
 698             // is being processed
 699             PAINTSTRUCT ps;
 700             HDC hdc = ::BeginPaint(GetHwnd(), &ps);
 701
 702             // Erase background before painting or we get white background
 703             MSWDefWindowProc(WM_ICONERASEBKGND, (WORD)(LONG)ps.hdc, 0L);
 704
 705             if ( hIcon )
 706             {
 707                 RECT rect;
 708                 ::GetClientRect(GetHwnd(), &rect);
 709
 710                 // FIXME: why hardcoded?
 711                 static const int icon_width = 32;
 712                 static const int icon_height = 32;
 713
 714                 int icon_x = (int)((rect.right - icon_width)/2);
 715                 int icon_y = (int)((rect.bottom - icon_height)/2);
 716
 717                 ::DrawIcon(hdc, icon_x, icon_y, hIcon);
 718             }
 719
 720             ::EndPaint(GetHwnd(), &ps);
 721
 722             return TRUE;
 723         }
 724         else
 725  #endif
 726         {
 727             return wxWindow::HandlePaint();
 728         }
 729     }
 730     else
 731     {
 732         // nothing to paint - processed
 733         return TRUE;
 734     }
 735 }
 736
 737 bool wxFrame::HandleSize(int x, int y, WXUINT id)
 738 {
 739     bool processed = FALSE;
 740 #if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
 741
 742     switch ( id )
 743     {
 744         case SIZENORMAL:
 745             // only do it it if we were iconized before, otherwise resizing the
 746             // parent frame has a curious side effect of bringing it under it's
 747             // children
 748             if ( !m_iconized )
 749                 break;
 750
 751             // restore all child frames too
 752             IconizeChildFrames(FALSE);
 753
 754             (void)SendIconizeEvent(FALSE);
 755
 756             // fall through
 757
 758         case SIZEFULLSCREEN:
 759             m_iconized = FALSE;
 760             break;
 761
 762         case SIZEICONIC:
 763             // iconize all child frames too
 764             IconizeChildFrames(TRUE);
 765
 766             (void)SendIconizeEvent();
 767
 768             m_iconized = TRUE;
 769             break;
 770     }
 771 #endif
 772
 773     if ( !m_iconized )
 774     {
 775 #if wxUSE_STATUSBAR
 776         PositionStatusBar();
 777 #endif // wxUSE_STATUSBAR
 778
 779 #if wxUSE_TOOLBAR
 780         PositionToolBar();
 781 #endif // wxUSE_TOOLBAR
 782
 783         processed = wxWindow::HandleSize(x, y, id);
 784     }
 785
 786     return processed;
 787 }
 788
 789 bool wxFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND control)
 790 {
 791     if ( control )
 792     {
 793         // In case it's e.g. a toolbar.
 794         wxWindow *win = wxFindWinFromHandle(control);
 795         if ( win )
 796             return win->MSWCommand(cmd, id);
 797     }
 798
 799     // handle here commands from menus and accelerators
 800     if ( cmd == 0 || cmd == 1 )
 801     {
 802 #if wxUSE_MENUS_NATIVE
 803         if ( wxCurrentPopupMenu )
 804         {
 805             wxMenu *popupMenu = wxCurrentPopupMenu;
 806             wxCurrentPopupMenu = NULL;
 807
 808             return popupMenu->MSWCommand(cmd, id);
 809         }
 810 #endif // wxUSE_MENUS_NATIVE
 811
 812         if ( ProcessCommand(id) )
 813         {
 814             return TRUE;
 815         }
 816     }
 817
 818     return FALSE;
 819 }
 820
 821 bool wxFrame::HandleMenuSelect(WXWORD nItem, WXWORD flags, WXHMENU hMenu)
 822 {
 823     int item;
 824     if ( flags == 0xFFFF && hMenu == 0 )
 825     {
 826         // menu was removed from screen
 827         item = -1;
 828     }
 829 #ifndef __WXMICROWIN__
 830     else if ( !(flags & MF_POPUP) && !(flags & MF_SEPARATOR) )
 831     {
 832         item = nItem;
 833     }
 834 #endif
 835     else
 836     {
 837         // don't give hints for separators (doesn't make sense) nor for the
 838         // items opening popup menus (they don't have them anyhow) but do clear
 839         // the status line - otherwise, we would be left with the help message
 840         // for the previous item which doesn't apply any more
 841         DoGiveHelp(wxEmptyString, FALSE);
 842
 843         return FALSE;
 844     }
 845
 846     wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, item);
 847     event.SetEventObject(this);
 848
 849     return GetEventHandler()->ProcessEvent(event);
 850 }
 851
 852 bool wxFrame::HandleMenuLoop(const wxEventType& evtType, WXWORD isPopup)
 853 {
 854     // we don't have the menu id here, so we use the id to specify if the event
 855     // was from a popup menu or a normal one
 856     wxMenuEvent event(evtType, isPopup ? -1 : 0);
 857     event.SetEventObject(this);
 858
 859     return GetEventHandler()->ProcessEvent(event);
 860 }
 861
 862 // ---------------------------------------------------------------------------
 863 // the window proc for wxFrame
 864 // ---------------------------------------------------------------------------
 865
 866 long wxFrame::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 867 {
 868     long rc = 0;
 869     bool processed = FALSE;
 870
 871     switch ( message )
 872     {
 873         case WM_CLOSE:
 874             // if we can't close, tell the system that we processed the
 875             // message - otherwise it would close us
 876             processed = !Close();
 877             break;
 878
 879         case WM_SIZE:
 880             processed = HandleSize(LOWORD(lParam), HIWORD(lParam), wParam);
 881             break;
 882
 883         case WM_COMMAND:
 884             {
 885                 WORD id, cmd;
 886                 WXHWND hwnd;
 887                 UnpackCommand((WXWPARAM)wParam, (WXLPARAM)lParam,
 888                               &id, &hwnd, &cmd);
 889
 890                 processed = HandleCommand(id, cmd, (WXHWND)hwnd);
 891             }
 892             break;
 893
 894         case WM_PAINT:
 895             processed = HandlePaint();
 896             break;
 897
 898         case WM_INITMENUPOPUP:
 899             processed = HandleInitMenuPopup((WXHMENU) wParam);
 900             break;
 901
 902 #if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
 903         case WM_MENUSELECT:
 904             {
 905                 WXWORD item, flags;
 906                 WXHMENU hmenu;
 907                 UnpackMenuSelect(wParam, lParam, &item, &flags, &hmenu);
 908
 909                 processed = HandleMenuSelect(item, flags, hmenu);
 910             }
 911             break;
 912
 913         case WM_EXITMENULOOP:
 914             processed = HandleMenuLoop(wxEVT_MENU_CLOSE, wParam);
 915             break;
 916
 917         case WM_QUERYDRAGICON:
 918             {
 919                 const wxIcon& icon = GetIcon();
 920                 HICON hIcon = icon.Ok() ? GetHiconOf(icon)
 921                                         : (HICON)GetDefaultIcon();
 922                 rc = (long)hIcon;
 923                 processed = rc != 0;
 924             }
 925             break;
 926 #endif // !__WXMICROWIN__
 927     }
 928
 929     if ( !processed )
 930         rc = wxFrameBase::MSWWindowProc(message, wParam, lParam);
 931
 932     return rc;
 933 }
 934
 935 // handle WM_INITMENUPOPUP message
 936 bool wxFrame::HandleInitMenuPopup(WXHMENU hMenu)
 937 {
 938     wxMenu* menu = NULL;
 939     if (GetMenuBar())
 940     {
 941         int nCount = GetMenuBar()->GetMenuCount();
 942         for (int n = 0; n < nCount; n++)
 943         {
 944             if (GetMenuBar()->GetMenu(n)->GetHMenu() == hMenu)
 945             {
 946                 menu = GetMenuBar()->GetMenu(n);
 947                 break;
 948             }
 949         }
 950     }
 951
 952     wxMenuEvent event(wxEVT_MENU_OPEN, 0, menu);
 953     event.SetEventObject(this);
 954
 955     return GetEventHandler()->ProcessEvent(event);
 956 }