include/wx/msw/window.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/msw/window.h
   3 // Purpose:     wxWindowMSW class
   4 // Author:      Julian Smart
   5 // Modified by: Vadim Zeitlin on 13.05.99: complete refont of message handling,
   6 //              elimination of Default(), ...
   7 // Created:     01/02/97
   8 // RCS-ID:      $Id$
   9 // Copyright:   (c) Julian Smart
  10 // Licence:     wxWindows licence
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13 #ifndef _WX_WINDOW_H_
  14 #define _WX_WINDOW_H_
  15
  16 // ---------------------------------------------------------------------------
  17 // constants
  18 // ---------------------------------------------------------------------------
  19
  20 // ---------------------------------------------------------------------------
  21 // wxWindow declaration for MSW
  22 // ---------------------------------------------------------------------------
  23
  24 class WXDLLEXPORT wxWindowMSW : public wxWindowBase
  25 {
  26     friend class wxSpinCtrl;
  27     friend class wxSlider;
  28     friend class wxRadioBox;
  29 #if defined __VISUALC__ && __VISUALC__ <= 1200
  30     friend class wxWindowMSW;
  31 #endif
  32 public:
  33     wxWindowMSW() { Init(); }
  34
  35     wxWindowMSW(wxWindow *parent,
  36                 wxWindowID id,
  37                 const wxPoint& pos = wxDefaultPosition,
  38                 const wxSize& size = wxDefaultSize,
  39                 long style = 0,
  40                 const wxString& name = wxPanelNameStr)
  41     {
  42         Init();
  43         Create(parent, id, pos, size, style, name);
  44     }
  45
  46     virtual ~wxWindowMSW();
  47
  48     bool Create(wxWindow *parent,
  49                 wxWindowID id,
  50                 const wxPoint& pos = wxDefaultPosition,
  51                 const wxSize& size = wxDefaultSize,
  52                 long style = 0,
  53                 const wxString& name = wxPanelNameStr);
  54
  55     // implement base class pure virtuals
  56     virtual void SetLabel(const wxString& label);
  57     virtual wxString GetLabel() const;
  58
  59     virtual void Raise();
  60     virtual void Lower();
  61
  62     virtual bool Show(bool show = true);
  63     virtual bool ShowWithEffect(wxShowEffect effect,
  64                                 unsigned timeout = 0,
  65                                 wxDirection dir = wxBOTTOM)
  66     {
  67         return MSWShowWithEffect(true, effect, timeout, dir);
  68     }
  69     virtual bool HideWithEffect(wxShowEffect effect,
  70                                 unsigned timeout = 0,
  71                                 wxDirection dir = wxBOTTOM)
  72     {
  73         return MSWShowWithEffect(false, effect, timeout, dir);
  74     }
  75
  76     virtual void SetFocus();
  77     virtual void SetFocusFromKbd();
  78
  79     virtual bool Reparent(wxWindowBase *newParent);
  80
  81     virtual void WarpPointer(int x, int y);
  82
  83     virtual void Refresh( bool eraseBackground = true,
  84                           const wxRect *rect = (const wxRect *) NULL );
  85     virtual void Update();
  86
  87     virtual void SetWindowStyleFlag(long style);
  88     virtual void SetExtraStyle(long exStyle);
  89     virtual bool SetCursor( const wxCursor &cursor );
  90     virtual bool SetFont( const wxFont &font );
  91
  92     virtual int GetCharHeight() const;
  93     virtual int GetCharWidth() const;
  94     virtual void GetTextExtent(const wxString& string,
  95                                int *x, int *y,
  96                                int *descent = (int *) NULL,
  97                                int *externalLeading = (int *) NULL,
  98                                const wxFont *theFont = (const wxFont *) NULL)
  99                                const;
 100
 101     virtual void SetScrollbar( int orient, int pos, int thumbVisible,
 102                                int range, bool refresh = true );
 103     virtual void SetScrollPos( int orient, int pos, bool refresh = true );
 104     virtual int GetScrollPos( int orient ) const;
 105     virtual int GetScrollThumb( int orient ) const;
 106     virtual int GetScrollRange( int orient ) const;
 107     virtual void ScrollWindow( int dx, int dy,
 108                                const wxRect* rect = (wxRect *) NULL );
 109
 110     virtual bool ScrollLines(int lines);
 111     virtual bool ScrollPages(int pages);
 112
 113     virtual void SetLayoutDirection(wxLayoutDirection dir);
 114     virtual wxLayoutDirection GetLayoutDirection() const;
 115     virtual wxCoord AdjustForLayoutDirection(wxCoord x,
 116                                              wxCoord width,
 117                                              wxCoord widthTotal) const;
 118
 119 #if wxUSE_DRAG_AND_DROP
 120     virtual void SetDropTarget( wxDropTarget *dropTarget );
 121 #endif // wxUSE_DRAG_AND_DROP
 122
 123     // Accept files for dragging
 124     virtual void DragAcceptFiles(bool accept);
 125
 126 #ifndef __WXUNIVERSAL__
 127     // Native resource loading (implemented in src/msw/nativdlg.cpp)
 128     // FIXME: should they really be all virtual?
 129     virtual bool LoadNativeDialog(wxWindow* parent, wxWindowID& id);
 130     virtual bool LoadNativeDialog(wxWindow* parent, const wxString& name);
 131     wxWindow* GetWindowChild1(wxWindowID id);
 132     wxWindow* GetWindowChild(wxWindowID id);
 133 #endif // __WXUNIVERSAL__
 134
 135 #if wxUSE_HOTKEY
 136     // install and deinstall a system wide hotkey
 137     virtual bool RegisterHotKey(int hotkeyId, int modifiers, int keycode);
 138     virtual bool UnregisterHotKey(int hotkeyId);
 139 #endif // wxUSE_HOTKEY
 140
 141 #ifdef __POCKETPC__
 142     bool IsContextMenuEnabled() const { return m_contextMenuEnabled; }
 143     void EnableContextMenu(bool enable = true) { m_contextMenuEnabled = enable; }
 144 #endif
 145
 146     // window handle stuff
 147     // -------------------
 148
 149     WXHWND GetHWND() const { return m_hWnd; }
 150     void SetHWND(WXHWND hWnd) { m_hWnd = hWnd; }
 151     virtual WXWidget GetHandle() const { return GetHWND(); }
 152
 153     void AssociateHandle(WXWidget handle);
 154     void DissociateHandle();
 155
 156     // does this window have deferred position and/or size?
 157     bool IsSizeDeferred() const;
 158
 159     // these functions allow to register a global handler for the given Windows
 160     // message: it will be called from MSWWindowProc() of any window which gets
 161     // this event if it's not processed before (i.e. unlike a hook procedure it
 162     // does not override the normal processing)
 163     //
 164     // notice that if you want to process a message for a given window only you
 165     // should override its MSWWindowProc() instead
 166
 167     // type of the handler: it is called with the message parameters (except
 168     // that the window object is passed instead of window handle) and should
 169     // return true if it handled the message or false if it should be passed to
 170     // DefWindowProc()
 171     typedef bool (*MSWMessageHandler)(wxWindowMSW *win,
 172                                       WXUINT nMsg,
 173                                       WXWPARAM wParam,
 174                                       WXLPARAM lParam);
 175
 176     // install a handler, shouldn't be called more than one for the same message
 177     static bool MSWRegisterMessageHandler(int msg, MSWMessageHandler handler);
 178
 179     // unregister a previously registered handler
 180     static void MSWUnregisterMessageHandler(int msg, MSWMessageHandler handler);
 181
 182
 183     // implementation from now on
 184     // ==========================
 185
 186     // event handlers
 187     // --------------
 188
 189     void OnPaint(wxPaintEvent& event);
 190     void OnEraseBackground(wxEraseEvent& event);
 191 #ifdef __WXWINCE__
 192     void OnInitDialog(wxInitDialogEvent& event);
 193 #endif
 194
 195 public:
 196     // Windows subclassing
 197     void SubclassWin(WXHWND hWnd);
 198     void UnsubclassWin();
 199
 200     WXFARPROC MSWGetOldWndProc() const { return m_oldWndProc; }
 201     void MSWSetOldWndProc(WXFARPROC proc) { m_oldWndProc = proc; }
 202
 203     // return true if the window is of a standard (i.e. not wxWidgets') class
 204     //
 205     // to understand why does it work, look at SubclassWin() code and comments
 206     bool IsOfStandardClass() const { return m_oldWndProc != NULL; }
 207
 208     wxWindow *FindItem(long id) const;
 209     wxWindow *FindItemByHWND(WXHWND hWnd, bool controlOnly = false) const;
 210
 211     // MSW only: true if this control is part of the main control
 212     virtual bool ContainsHWND(WXHWND WXUNUSED(hWnd)) const { return false; }
 213
 214 #if wxUSE_TOOLTIPS
 215     // MSW only: true if this window or any of its children have a tooltip
 216     virtual bool HasToolTips() const { return GetToolTip() != NULL; }
 217 #endif // wxUSE_TOOLTIPS
 218
 219     // translate wxWidgets style flags for this control into the Windows style
 220     // and optional extended style for the corresponding native control
 221     //
 222     // this is the function that should be overridden in the derived classes,
 223     // but you will mostly use MSWGetCreateWindowFlags() below
 224     virtual WXDWORD MSWGetStyle(long flags, WXDWORD *exstyle = NULL) const ;
 225
 226     // get the MSW window flags corresponding to wxWidgets ones
 227     //
 228     // the functions returns the flags (WS_XXX) directly and puts the ext
 229     // (WS_EX_XXX) flags into the provided pointer if not NULL
 230     WXDWORD MSWGetCreateWindowFlags(WXDWORD *exflags = NULL) const
 231         { return MSWGetStyle(GetWindowStyle(), exflags); }
 232
 233     // update the real underlying window style flags to correspond to the
 234     // current wxWindow object style (safe to call even if window isn't fully
 235     // created yet)
 236     void MSWUpdateStyle(long flagsOld, long exflagsOld);
 237
 238     // translate wxWidgets coords into Windows ones suitable to be passed to
 239     // ::CreateWindow()
 240     //
 241     // returns true if non default coords are returned, false otherwise
 242     bool MSWGetCreateWindowCoords(const wxPoint& pos,
 243                                   const wxSize& size,
 244                                   int& x, int& y,
 245                                   int& w, int& h) const;
 246
 247     // get the HWND to be used as parent of this window with CreateWindow()
 248     virtual WXHWND MSWGetParent() const;
 249
 250     // creates the window of specified Windows class with given style, extended
 251     // style, title and geometry (default values
 252     //
 253     // returns true if the window has been created, false if creation failed
 254     bool MSWCreate(const wxChar *wclass,
 255                    const wxChar *title = NULL,
 256                    const wxPoint& pos = wxDefaultPosition,
 257                    const wxSize& size = wxDefaultSize,
 258                    WXDWORD style = 0,
 259                    WXDWORD exendedStyle = 0);
 260
 261     virtual bool MSWCommand(WXUINT param, WXWORD id);
 262
 263 #ifndef __WXUNIVERSAL__
 264     // Create an appropriate wxWindow from a HWND
 265     virtual wxWindow* CreateWindowFromHWND(wxWindow* parent, WXHWND hWnd);
 266
 267     // Make sure the window style reflects the HWND style (roughly)
 268     virtual void AdoptAttributesFromHWND();
 269 #endif // __WXUNIVERSAL__
 270
 271     // Setup background and foreground colours correctly
 272     virtual void SetupColours();
 273
 274     // ------------------------------------------------------------------------
 275     // helpers for message handlers: these perform the same function as the
 276     // message crackers from <windowsx.h> - they unpack WPARAM and LPARAM into
 277     // the correct parameters
 278     // ------------------------------------------------------------------------
 279
 280     void UnpackCommand(WXWPARAM wParam, WXLPARAM lParam,
 281                        WXWORD *id, WXHWND *hwnd, WXWORD *cmd);
 282     void UnpackActivate(WXWPARAM wParam, WXLPARAM lParam,
 283                         WXWORD *state, WXWORD *minimized, WXHWND *hwnd);
 284     void UnpackScroll(WXWPARAM wParam, WXLPARAM lParam,
 285                       WXWORD *code, WXWORD *pos, WXHWND *hwnd);
 286     void UnpackCtlColor(WXWPARAM wParam, WXLPARAM lParam,
 287                         WXHDC *hdc, WXHWND *hwnd);
 288     void UnpackMenuSelect(WXWPARAM wParam, WXLPARAM lParam,
 289                           WXWORD *item, WXWORD *flags, WXHMENU *hmenu);
 290
 291     // ------------------------------------------------------------------------
 292     // internal handlers for MSW messages: all handlers return a boolean value:
 293     // true means that the handler processed the event and false that it didn't
 294     // ------------------------------------------------------------------------
 295
 296     // there are several cases where we have virtual functions for Windows
 297     // message processing: this is because these messages often require to be
 298     // processed in a different manner in the derived classes. For all other
 299     // messages, however, we do *not* have corresponding MSWOnXXX() function
 300     // and if the derived class wants to process them, it should override
 301     // MSWWindowProc() directly.
 302
 303     // scroll event (both horizontal and vertical)
 304     virtual bool MSWOnScroll(int orientation, WXWORD nSBCode,
 305                              WXWORD pos, WXHWND control);
 306
 307     // child control notifications
 308     virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
 309
 310     // owner-drawn controls need to process these messages
 311     virtual bool MSWOnDrawItem(int id, WXDRAWITEMSTRUCT *item);
 312     virtual bool MSWOnMeasureItem(int id, WXMEASUREITEMSTRUCT *item);
 313
 314     // the rest are not virtual
 315     bool HandleCreate(WXLPCREATESTRUCT cs, bool *mayCreate);
 316     bool HandleInitDialog(WXHWND hWndFocus);
 317     bool HandleDestroy();
 318
 319     bool HandlePaint();
 320     bool HandlePrintClient(WXHDC hDC);
 321     bool HandleEraseBkgnd(WXHDC hDC);
 322
 323     bool HandleMinimize();
 324     bool HandleMaximize();
 325     bool HandleSize(int x, int y, WXUINT flag);
 326     bool HandleSizing(wxRect& rect);
 327     bool HandleGetMinMaxInfo(void *mmInfo);
 328     bool HandleEnterSizeMove();
 329     bool HandleExitSizeMove();
 330
 331     bool HandleShow(bool show, int status);
 332     bool HandleActivate(int flag, bool minimized, WXHWND activate);
 333
 334     bool HandleCommand(WXWORD id, WXWORD cmd, WXHWND control);
 335
 336     bool HandleCtlColor(WXHBRUSH *hBrush, WXHDC hdc, WXHWND hWnd);
 337
 338     bool HandlePaletteChanged(WXHWND hWndPalChange);
 339     bool HandleQueryNewPalette();
 340     bool HandleSysColorChange();
 341     bool HandleDisplayChange();
 342     bool HandleCaptureChanged(WXHWND gainedCapture);
 343     virtual bool HandleSettingChange(WXWPARAM wParam, WXLPARAM lParam);
 344
 345     bool HandleQueryEndSession(long logOff, bool *mayEnd);
 346     bool HandleEndSession(bool endSession, long logOff);
 347
 348     bool HandleSetFocus(WXHWND wnd);
 349     bool HandleKillFocus(WXHWND wnd);
 350
 351     bool HandleDropFiles(WXWPARAM wParam);
 352
 353     bool HandleMouseEvent(WXUINT msg, int x, int y, WXUINT flags);
 354     bool HandleMouseMove(int x, int y, WXUINT flags);
 355     bool HandleMouseWheel(WXWPARAM wParam, WXLPARAM lParam);
 356
 357     bool HandleChar(WXWPARAM wParam, WXLPARAM lParam, bool isASCII = false);
 358     bool HandleKeyDown(WXWPARAM wParam, WXLPARAM lParam);
 359     bool HandleKeyUp(WXWPARAM wParam, WXLPARAM lParam);
 360 #if wxUSE_ACCEL
 361     bool HandleHotKey(WXWPARAM wParam, WXLPARAM lParam);
 362 #endif
 363 #ifdef __WIN32__
 364     int HandleMenuChar(int chAccel, WXLPARAM lParam);
 365 #endif
 366     // Create and process a clipboard event specified by type.
 367     bool HandleClipboardEvent( WXUINT nMsg );
 368
 369     bool HandleQueryDragIcon(WXHICON *hIcon);
 370
 371     bool HandleSetCursor(WXHWND hWnd, short nHitTest, int mouseMsg);
 372
 373     bool HandlePower(WXWPARAM wParam, WXLPARAM lParam, bool *vetoed);
 374
 375
 376     // Window procedure
 377     virtual WXLRESULT MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
 378
 379     // Calls an appropriate default window procedure
 380     virtual WXLRESULT MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
 381
 382     // message processing helpers
 383
 384     // return false if the message shouldn't be translated/preprocessed but
 385     // dispatched normally
 386     virtual bool MSWShouldPreProcessMessage(WXMSG* pMsg);
 387
 388     // return true if the message was preprocessed and shouldn't be dispatched
 389     virtual bool MSWProcessMessage(WXMSG* pMsg);
 390
 391     // return true if the message was translated and shouldn't be dispatched
 392     virtual bool MSWTranslateMessage(WXMSG* pMsg);
 393
 394     // called when the window is about to be destroyed
 395     virtual void MSWDestroyWindow();
 396
 397
 398     // this function should return the brush to paint the children controls
 399     // background or 0 if this window doesn't impose any particular background
 400     // on its children
 401     //
 402     // the base class version returns a solid brush if we have a non default
 403     // background colour or 0 otherwise
 404     virtual WXHBRUSH MSWGetBgBrushForChild(WXHDC hDC, WXHWND hWnd);
 405
 406     // return the background brush to use for painting the given window by
 407     // quering the parent windows via their MSWGetBgBrushForChild() recursively
 408     //
 409     // hWndToPaint is normally NULL meaning this window itself, but it can also
 410     // be a child of this window which is used by the static box and could be
 411     // potentially useful for other transparent controls
 412     WXHBRUSH MSWGetBgBrush(WXHDC hDC, WXHWND hWndToPaint = NULL);
 413
 414     // gives the parent the possibility to draw its children background, e.g.
 415     // this is used by wxNotebook to do it using DrawThemeBackground()
 416     //
 417     // return true if background was drawn, false otherwise
 418     virtual bool MSWPrintChild(WXHDC WXUNUSED(hDC), wxWindow * WXUNUSED(child))
 419     {
 420         return false;
 421     }
 422
 423     // some controls (e.g. wxListBox) need to set the return value themselves
 424     //
 425     // return true to let parent handle it if we don't, false otherwise
 426     virtual bool MSWShouldPropagatePrintChild()
 427     {
 428         return true;
 429     }
 430
 431     // common part of Show/HideWithEffect()
 432     bool MSWShowWithEffect(bool show,
 433                            wxShowEffect effect,
 434                            unsigned timeout,
 435                            wxDirection dir);
 436
 437     // Responds to colour changes: passes event on to children.
 438     void OnSysColourChanged(wxSysColourChangedEvent& event);
 439
 440     // initialize various fields of wxMouseEvent (common part of MSWOnMouseXXX)
 441     void InitMouseEvent(wxMouseEvent& event, int x, int y, WXUINT flags);
 442
 443     // check if mouse is in the window
 444     bool IsMouseInWindow() const;
 445
 446     // check if a native double-buffering applies for this window
 447     virtual bool IsDoubleBuffered() const;
 448
 449     // synthesize a wxEVT_LEAVE_WINDOW event and set m_mouseInWindow to false
 450     void GenerateMouseLeave();
 451
 452     // virtual function for implementing internal idle
 453     // behaviour
 454     virtual void OnInternalIdle();
 455
 456 protected:
 457     // this allows you to implement standard control borders without
 458     // repeating the code in different classes that are not derived from
 459     // wxControl
 460     virtual wxBorder GetDefaultBorderForControl() const;
 461
 462     // choose the default border for this window
 463     virtual wxBorder GetDefaultBorder() const;
 464
 465     // Translate wxBORDER_THEME (and other border styles if necessary to the value
 466     // that makes most sense for this Windows environment
 467     virtual wxBorder TranslateBorder(wxBorder border) const;
 468
 469 #if wxUSE_MENUS_NATIVE
 470     virtual bool DoPopupMenu( wxMenu *menu, int x, int y );
 471 #endif // wxUSE_MENUS_NATIVE
 472
 473     // the window handle
 474     WXHWND                m_hWnd;
 475
 476     // the old window proc (we subclass all windows)
 477     WXFARPROC             m_oldWndProc;
 478
 479     // additional (MSW specific) flags
 480     bool                  m_mouseInWindow:1;
 481     bool                  m_lastKeydownProcessed:1;
 482
 483     // the size of one page for scrolling
 484     int                   m_xThumbSize;
 485     int                   m_yThumbSize;
 486
 487     // implement the base class pure virtuals
 488     virtual void DoClientToScreen( int *x, int *y ) const;
 489     virtual void DoScreenToClient( int *x, int *y ) const;
 490     virtual void DoGetPosition( int *x, int *y ) const;
 491     virtual void DoGetSize( int *width, int *height ) const;
 492     virtual void DoGetClientSize( int *width, int *height ) const;
 493     virtual void DoSetSize(int x, int y,
 494                            int width, int height,
 495                            int sizeFlags = wxSIZE_AUTO);
 496     virtual void DoSetClientSize(int width, int height);
 497
 498     virtual void DoCaptureMouse();
 499     virtual void DoReleaseMouse();
 500
 501     virtual void DoEnable(bool enable);
 502
 503     virtual void DoFreeze();
 504     virtual void DoThaw();
 505
 506     // this simply moves/resizes the given HWND which is supposed to be our
 507     // sibling (this is useful for controls which are composite at MSW level
 508     // and for which DoMoveWindow() is not enough)
 509     //
 510     // returns true if the window move was deferred, false if it was moved
 511     // immediately (no error return)
 512     bool DoMoveSibling(WXHWND hwnd, int x, int y, int width, int height);
 513
 514     // move the window to the specified location and resize it: this is called
 515     // from both DoSetSize() and DoSetClientSize() and would usually just call
 516     // ::MoveWindow() except for composite controls which will want to arrange
 517     // themselves inside the given rectangle
 518     virtual void DoMoveWindow(int x, int y, int width, int height);
 519
 520 #if wxUSE_TOOLTIPS
 521     virtual void DoSetToolTip( wxToolTip *tip );
 522
 523     // process TTN_NEEDTEXT message properly (i.e. fixing the bugs in
 524     // comctl32.dll in our code -- see the function body for more info)
 525     bool HandleTooltipNotify(WXUINT code,
 526                              WXLPARAM lParam,
 527                              const wxString& ttip);
 528 #endif // wxUSE_TOOLTIPS
 529
 530     // the helper functions used by HandleChar/KeyXXX methods
 531     wxKeyEvent CreateKeyEvent(wxEventType evType, int id,
 532                               WXLPARAM lParam = 0, WXWPARAM wParam = 0) const;
 533
 534
 535     // default OnEraseBackground() implementation, return true if we did erase
 536     // the background, false otherwise (i.e. the system should erase it)
 537     bool DoEraseBackground(WXHDC hDC);
 538
 539     // generate WM_CHANGEUISTATE if it's needed for the OS we're running under
 540     //
 541     // action should be one of the UIS_XXX constants
 542     // state should be one or more of the UISF_XXX constants
 543     // if action == UIS_INITIALIZE then it doesn't seem to matter what we use
 544     // for state as the system will decide for us what needs to be set
 545     void MSWUpdateUIState(int action, int state = 0);
 546
 547 private:
 548     // common part of all ctors
 549     void Init();
 550
 551     // the (non-virtual) handlers for the events
 552     bool HandleMove(int x, int y);
 553     bool HandleMoving(wxRect& rect);
 554     bool HandleJoystickEvent(WXUINT msg, int x, int y, WXUINT flags);
 555     bool HandleNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
 556
 557
 558     // current defer window position operation handle (may be NULL)
 559     WXHANDLE m_hDWP;
 560
 561 protected:
 562     // When deferred positioning is done these hold the pending changes, and
 563     // are used for the default values if another size/pos changes is done on
 564     // this window before the group of deferred changes is completed.
 565     wxPoint     m_pendingPosition;
 566     wxSize      m_pendingSize;
 567
 568 private:
 569 #ifdef __POCKETPC__
 570     bool        m_contextMenuEnabled;
 571 #endif
 572
 573     DECLARE_DYNAMIC_CLASS(wxWindowMSW)
 574     DECLARE_NO_COPY_CLASS(wxWindowMSW)
 575     DECLARE_EVENT_TABLE()
 576 };
 577
 578 // ----------------------------------------------------------------------------
 579 // inline functions
 580 // ----------------------------------------------------------------------------
 581
 582 // ---------------------------------------------------------------------------
 583 // global functions
 584 // ---------------------------------------------------------------------------
 585
 586 // kbd code translation
 587 WXDLLEXPORT int wxCharCodeMSWToWX(int keySym, WXLPARAM lParam = 0);
 588 WXDLLEXPORT WXWORD wxCharCodeWXToMSW(int id, bool *IsVirtual = NULL);
 589
 590 // window creation helper class: before creating a new HWND, instantiate an
 591 // object of this class on stack - this allows to process the messages sent to
 592 // the window even before CreateWindow() returns
 593 class wxWindowCreationHook
 594 {
 595 public:
 596     wxWindowCreationHook(wxWindowMSW *winBeingCreated);
 597     ~wxWindowCreationHook();
 598 };
 599
 600 // ----------------------------------------------------------------------------
 601 // global objects
 602 // ----------------------------------------------------------------------------
 603
 604 // notice that this hash must be defined after wxWindow declaration as it
 605 // needs to "see" its dtor and not just forward declaration
 606 #include "wx/hash.h"
 607
 608 // pseudo-template HWND <-> wxWindow hash table
 609 WX_DECLARE_HASH(wxWindowMSW, wxWindowList, wxWinHashTable);
 610
 611 extern wxWinHashTable *wxWinHandleHash;
 612
 613 #endif // _WX_WINDOW_H_