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 // if this is set to 1, we use deferred window sizing to reduce flicker when
  17 // resizing complicated window hierarchies, but this can in theory result in
  18 // different behaviour than the old code so we keep the possibility to use it
  19 // by setting this to 0 (in the future this should be removed completely)
  20 #ifdef __WXWINCE__
  21     #define wxUSE_DEFERRED_SIZING 0
  22 #else
  23     #define wxUSE_DEFERRED_SIZING 1
  24 #endif
  25
  26 // ---------------------------------------------------------------------------
  27 // wxWindow declaration for MSW
  28 // ---------------------------------------------------------------------------
  29
  30 class WXDLLIMPEXP_CORE wxWindowMSW : public wxWindowBase
  31 {
  32     friend class wxSpinCtrl;
  33     friend class wxSlider;
  34     friend class wxRadioBox;
  35 #if defined __VISUALC__ && __VISUALC__ <= 1200
  36     friend class wxWindowMSW;
  37 #endif
  38 public:
  39     wxWindowMSW() { Init(); }
  40
  41     wxWindowMSW(wxWindow *parent,
  42                 wxWindowID id,
  43                 const wxPoint& pos = wxDefaultPosition,
  44                 const wxSize& size = wxDefaultSize,
  45                 long style = 0,
  46                 const wxString& name = wxPanelNameStr)
  47     {
  48         Init();
  49         Create(parent, id, pos, size, style, name);
  50     }
  51
  52     virtual ~wxWindowMSW();
  53
  54     bool Create(wxWindow *parent,
  55                 wxWindowID id,
  56                 const wxPoint& pos = wxDefaultPosition,
  57                 const wxSize& size = wxDefaultSize,
  58                 long style = 0,
  59                 const wxString& name = wxPanelNameStr);
  60
  61     // implement base class pure virtuals
  62     virtual void SetLabel(const wxString& label);
  63     virtual wxString GetLabel() const;
  64
  65     virtual void Raise();
  66     virtual void Lower();
  67
  68     virtual bool Show(bool show = true);
  69     virtual bool ShowWithEffect(wxShowEffect effect,
  70                                 unsigned timeout = 0)
  71     {
  72         return MSWShowWithEffect(true, effect, timeout);
  73     }
  74     virtual bool HideWithEffect(wxShowEffect effect,
  75                                 unsigned timeout = 0)
  76     {
  77         return MSWShowWithEffect(false, effect, timeout);
  78     }
  79
  80     virtual void SetFocus();
  81     virtual void SetFocusFromKbd();
  82
  83     virtual bool Reparent(wxWindowBase *newParent);
  84
  85     virtual void WarpPointer(int x, int y);
  86
  87     virtual void Refresh( bool eraseBackground = true,
  88                           const wxRect *rect = (const wxRect *) NULL );
  89     virtual void Update();
  90
  91     virtual void SetWindowStyleFlag(long style);
  92     virtual void SetExtraStyle(long exStyle);
  93     virtual bool SetCursor( const wxCursor &cursor );
  94     virtual bool SetFont( const wxFont &font );
  95
  96     virtual int GetCharHeight() const;
  97     virtual int GetCharWidth() const;
  98     virtual void GetTextExtent(const wxString& string,
  99                                int *x, int *y,
 100                                int *descent = NULL,
 101                                int *externalLeading = NULL,
 102                                const wxFont *theFont = (const wxFont *) NULL)
 103                                const;
 104
 105     virtual void SetScrollbar( int orient, int pos, int thumbVisible,
 106                                int range, bool refresh = true );
 107     virtual void SetScrollPos( int orient, int pos, bool refresh = true );
 108     virtual int GetScrollPos( int orient ) const;
 109     virtual int GetScrollThumb( int orient ) const;
 110     virtual int GetScrollRange( int orient ) const;
 111     virtual void ScrollWindow( int dx, int dy,
 112                                const wxRect* rect = NULL );
 113
 114     virtual bool ScrollLines(int lines);
 115     virtual bool ScrollPages(int pages);
 116
 117     virtual void SetLayoutDirection(wxLayoutDirection dir);
 118     virtual wxLayoutDirection GetLayoutDirection() const;
 119     virtual wxCoord AdjustForLayoutDirection(wxCoord x,
 120                                              wxCoord width,
 121                                              wxCoord widthTotal) const;
 122
 123 #if wxUSE_DRAG_AND_DROP
 124     virtual void SetDropTarget( wxDropTarget *dropTarget );
 125 #endif // wxUSE_DRAG_AND_DROP
 126
 127     // Accept files for dragging
 128     virtual void DragAcceptFiles(bool accept);
 129
 130 #ifndef __WXUNIVERSAL__
 131     // Native resource loading (implemented in src/msw/nativdlg.cpp)
 132     // FIXME: should they really be all virtual?
 133     virtual bool LoadNativeDialog(wxWindow* parent, wxWindowID& id);
 134     virtual bool LoadNativeDialog(wxWindow* parent, const wxString& name);
 135     wxWindow* GetWindowChild1(wxWindowID id);
 136     wxWindow* GetWindowChild(wxWindowID id);
 137 #endif // __WXUNIVERSAL__
 138
 139 #if wxUSE_HOTKEY
 140     // install and deinstall a system wide hotkey
 141     virtual bool RegisterHotKey(int hotkeyId, int modifiers, int keycode);
 142     virtual bool UnregisterHotKey(int hotkeyId);
 143 #endif // wxUSE_HOTKEY
 144
 145 #ifdef __POCKETPC__
 146     bool IsContextMenuEnabled() const { return m_contextMenuEnabled; }
 147     void EnableContextMenu(bool enable = true) { m_contextMenuEnabled = enable; }
 148 #endif
 149
 150     // window handle stuff
 151     // -------------------
 152
 153     WXHWND GetHWND() const { return m_hWnd; }
 154     void SetHWND(WXHWND hWnd) { m_hWnd = hWnd; }
 155     virtual WXWidget GetHandle() const { return GetHWND(); }
 156
 157     void AssociateHandle(WXWidget handle);
 158     void DissociateHandle();
 159
 160     // does this window have deferred position and/or size?
 161     bool IsSizeDeferred() const;
 162
 163     // these functions allow to register a global handler for the given Windows
 164     // message: it will be called from MSWWindowProc() of any window which gets
 165     // this event if it's not processed before (i.e. unlike a hook procedure it
 166     // does not override the normal processing)
 167     //
 168     // notice that if you want to process a message for a given window only you
 169     // should override its MSWWindowProc() instead
 170
 171     // type of the handler: it is called with the message parameters (except
 172     // that the window object is passed instead of window handle) and should
 173     // return true if it handled the message or false if it should be passed to
 174     // DefWindowProc()
 175     typedef bool (*MSWMessageHandler)(wxWindowMSW *win,
 176                                       WXUINT nMsg,
 177                                       WXWPARAM wParam,
 178                                       WXLPARAM lParam);
 179
 180     // install a handler, shouldn't be called more than one for the same message
 181     static bool MSWRegisterMessageHandler(int msg, MSWMessageHandler handler);
 182
 183     // unregister a previously registered handler
 184     static void MSWUnregisterMessageHandler(int msg, MSWMessageHandler handler);
 185
 186
 187     // implementation from now on
 188     // ==========================
 189
 190     // event handlers
 191     // --------------
 192
 193     void OnPaint(wxPaintEvent& event);
 194     void OnEraseBackground(wxEraseEvent& event);
 195 #ifdef __WXWINCE__
 196     void OnInitDialog(wxInitDialogEvent& event);
 197 #endif
 198
 199 public:
 200     // Windows subclassing
 201     void SubclassWin(WXHWND hWnd);
 202     void UnsubclassWin();
 203
 204     WXFARPROC MSWGetOldWndProc() const { return m_oldWndProc; }
 205     void MSWSetOldWndProc(WXFARPROC proc) { m_oldWndProc = proc; }
 206
 207     // return true if the window is of a standard (i.e. not wxWidgets') class
 208     //
 209     // to understand why does it work, look at SubclassWin() code and comments
 210     bool IsOfStandardClass() const { return m_oldWndProc != NULL; }
 211
 212     wxWindow *FindItem(long id) const;
 213     wxWindow *FindItemByHWND(WXHWND hWnd, bool controlOnly = false) const;
 214
 215     // MSW only: true if this control is part of the main control
 216     virtual bool ContainsHWND(WXHWND WXUNUSED(hWnd)) const { return false; }
 217
 218 #if wxUSE_TOOLTIPS
 219     // MSW only: true if this window or any of its children have a tooltip
 220     virtual bool HasToolTips() const { return GetToolTip() != NULL; }
 221 #endif // wxUSE_TOOLTIPS
 222
 223     // translate wxWidgets style flags for this control into the Windows style
 224     // and optional extended style for the corresponding native control
 225     //
 226     // this is the function that should be overridden in the derived classes,
 227     // but you will mostly use MSWGetCreateWindowFlags() below
 228     virtual WXDWORD MSWGetStyle(long flags, WXDWORD *exstyle = NULL) const ;
 229
 230     // get the MSW window flags corresponding to wxWidgets ones
 231     //
 232     // the functions returns the flags (WS_XXX) directly and puts the ext
 233     // (WS_EX_XXX) flags into the provided pointer if not NULL
 234     WXDWORD MSWGetCreateWindowFlags(WXDWORD *exflags = NULL) const
 235         { return MSWGetStyle(GetWindowStyle(), exflags); }
 236
 237     // update the real underlying window style flags to correspond to the
 238     // current wxWindow object style (safe to call even if window isn't fully
 239     // created yet)
 240     void MSWUpdateStyle(long flagsOld, long exflagsOld);
 241
 242     // translate wxWidgets coords into Windows ones suitable to be passed to
 243     // ::CreateWindow()
 244     //
 245     // returns true if non default coords are returned, false otherwise
 246     bool MSWGetCreateWindowCoords(const wxPoint& pos,
 247                                   const wxSize& size,
 248                                   int& x, int& y,
 249                                   int& w, int& h) const;
 250
 251     // get the HWND to be used as parent of this window with CreateWindow()
 252     virtual WXHWND MSWGetParent() const;
 253
 254     // get the Win32 window class name used by all wxWindow objects by default
 255     static const wxChar *MSWGetRegisteredClassName();
 256
 257     // creates the window of specified Windows class with given style, extended
 258     // style, title and geometry (default values
 259     //
 260     // returns true if the window has been created, false if creation failed
 261     bool MSWCreate(const wxChar *wclass,
 262                    const wxChar *title = NULL,
 263                    const wxPoint& pos = wxDefaultPosition,
 264                    const wxSize& size = wxDefaultSize,
 265                    WXDWORD style = 0,
 266                    WXDWORD exendedStyle = 0);
 267
 268     virtual bool MSWCommand(WXUINT param, WXWORD id);
 269
 270 #ifndef __WXUNIVERSAL__
 271     // Create an appropriate wxWindow from a HWND
 272     virtual wxWindow* CreateWindowFromHWND(wxWindow* parent, WXHWND hWnd);
 273
 274     // Make sure the window style reflects the HWND style (roughly)
 275     virtual void AdoptAttributesFromHWND();
 276 #endif // __WXUNIVERSAL__
 277
 278     // Setup background and foreground colours correctly
 279     virtual void SetupColours();
 280
 281     // ------------------------------------------------------------------------
 282     // helpers for message handlers: these perform the same function as the
 283     // message crackers from <windowsx.h> - they unpack WPARAM and LPARAM into
 284     // the correct parameters
 285     // ------------------------------------------------------------------------
 286
 287     void UnpackCommand(WXWPARAM wParam, WXLPARAM lParam,
 288                        WXWORD *id, WXHWND *hwnd, WXWORD *cmd);
 289     void UnpackActivate(WXWPARAM wParam, WXLPARAM lParam,
 290                         WXWORD *state, WXWORD *minimized, WXHWND *hwnd);
 291     void UnpackScroll(WXWPARAM wParam, WXLPARAM lParam,
 292                       WXWORD *code, WXWORD *pos, WXHWND *hwnd);
 293     void UnpackCtlColor(WXWPARAM wParam, WXLPARAM lParam,
 294                         WXHDC *hdc, WXHWND *hwnd);
 295     void UnpackMenuSelect(WXWPARAM wParam, WXLPARAM lParam,
 296                           WXWORD *item, WXWORD *flags, WXHMENU *hmenu);
 297
 298     // ------------------------------------------------------------------------
 299     // internal handlers for MSW messages: all handlers return a boolean value:
 300     // true means that the handler processed the event and false that it didn't
 301     // ------------------------------------------------------------------------
 302
 303     // there are several cases where we have virtual functions for Windows
 304     // message processing: this is because these messages often require to be
 305     // processed in a different manner in the derived classes. For all other
 306     // messages, however, we do *not* have corresponding MSWOnXXX() function
 307     // and if the derived class wants to process them, it should override
 308     // MSWWindowProc() directly.
 309
 310     // scroll event (both horizontal and vertical)
 311     virtual bool MSWOnScroll(int orientation, WXWORD nSBCode,
 312                              WXWORD pos, WXHWND control);
 313
 314     // child control notifications
 315     virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
 316
 317     // owner-drawn controls need to process these messages
 318     virtual bool MSWOnDrawItem(int id, WXDRAWITEMSTRUCT *item);
 319     virtual bool MSWOnMeasureItem(int id, WXMEASUREITEMSTRUCT *item);
 320
 321     // the rest are not virtual
 322     bool HandleCreate(WXLPCREATESTRUCT cs, bool *mayCreate);
 323     bool HandleInitDialog(WXHWND hWndFocus);
 324     bool HandleDestroy();
 325
 326     bool HandlePaint();
 327     bool HandlePrintClient(WXHDC hDC);
 328     bool HandleEraseBkgnd(WXHDC hDC);
 329
 330     bool HandleMinimize();
 331     bool HandleMaximize();
 332     bool HandleSize(int x, int y, WXUINT flag);
 333     bool HandleSizing(wxRect& rect);
 334     bool HandleGetMinMaxInfo(void *mmInfo);
 335     bool HandleEnterSizeMove();
 336     bool HandleExitSizeMove();
 337
 338     bool HandleShow(bool show, int status);
 339     bool HandleActivate(int flag, bool minimized, WXHWND activate);
 340
 341     bool HandleCommand(WXWORD id, WXWORD cmd, WXHWND control);
 342
 343     bool HandleCtlColor(WXHBRUSH *hBrush, WXHDC hdc, WXHWND hWnd);
 344
 345     bool HandlePaletteChanged(WXHWND hWndPalChange);
 346     bool HandleQueryNewPalette();
 347     bool HandleSysColorChange();
 348     bool HandleDisplayChange();
 349     bool HandleCaptureChanged(WXHWND gainedCapture);
 350     virtual bool HandleSettingChange(WXWPARAM wParam, WXLPARAM lParam);
 351
 352     bool HandleQueryEndSession(long logOff, bool *mayEnd);
 353     bool HandleEndSession(bool endSession, long logOff);
 354
 355     bool HandleSetFocus(WXHWND wnd);
 356     bool HandleKillFocus(WXHWND wnd);
 357
 358     bool HandleDropFiles(WXWPARAM wParam);
 359
 360     bool HandleMouseEvent(WXUINT msg, int x, int y, WXUINT flags);
 361     bool HandleMouseMove(int x, int y, WXUINT flags);
 362     bool HandleMouseWheel(WXWPARAM wParam, WXLPARAM lParam);
 363
 364     bool HandleChar(WXWPARAM wParam, WXLPARAM lParam, bool isASCII = false);
 365     bool HandleKeyDown(WXWPARAM wParam, WXLPARAM lParam);
 366     bool HandleKeyUp(WXWPARAM wParam, WXLPARAM lParam);
 367 #if wxUSE_ACCEL
 368     bool HandleHotKey(WXWPARAM wParam, WXLPARAM lParam);
 369 #endif
 370 #ifdef __WIN32__
 371     int HandleMenuChar(int chAccel, WXLPARAM lParam);
 372 #endif
 373     // Create and process a clipboard event specified by type.
 374     bool HandleClipboardEvent( WXUINT nMsg );
 375
 376     bool HandleQueryDragIcon(WXHICON *hIcon);
 377
 378     bool HandleSetCursor(WXHWND hWnd, short nHitTest, int mouseMsg);
 379
 380     bool HandlePower(WXWPARAM wParam, WXLPARAM lParam, bool *vetoed);
 381
 382
 383     // Window procedure
 384     virtual WXLRESULT MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
 385
 386     // Calls an appropriate default window procedure
 387     virtual WXLRESULT MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
 388
 389     // message processing helpers
 390
 391     // return false if the message shouldn't be translated/preprocessed but
 392     // dispatched normally
 393     virtual bool MSWShouldPreProcessMessage(WXMSG* pMsg);
 394
 395     // return true if the message was preprocessed and shouldn't be dispatched
 396     virtual bool MSWProcessMessage(WXMSG* pMsg);
 397
 398     // return true if the message was translated and shouldn't be dispatched
 399     virtual bool MSWTranslateMessage(WXMSG* pMsg);
 400
 401     // called when the window is about to be destroyed
 402     virtual void MSWDestroyWindow();
 403
 404
 405     // this function should return the brush to paint the children controls
 406     // background or 0 if this window doesn't impose any particular background
 407     // on its children
 408     //
 409     // the base class version returns a solid brush if we have a non default
 410     // background colour or 0 otherwise
 411     virtual WXHBRUSH MSWGetBgBrushForChild(WXHDC hDC, WXHWND hWnd);
 412
 413     // return the background brush to use for painting the given window by
 414     // quering the parent windows via their MSWGetBgBrushForChild() recursively
 415     //
 416     // hWndToPaint is normally NULL meaning this window itself, but it can also
 417     // be a child of this window which is used by the static box and could be
 418     // potentially useful for other transparent controls
 419     WXHBRUSH MSWGetBgBrush(WXHDC hDC, WXHWND hWndToPaint = NULL);
 420
 421     // gives the parent the possibility to draw its children background, e.g.
 422     // this is used by wxNotebook to do it using DrawThemeBackground()
 423     //
 424     // return true if background was drawn, false otherwise
 425     virtual bool MSWPrintChild(WXHDC WXUNUSED(hDC), wxWindow * WXUNUSED(child))
 426     {
 427         return false;
 428     }
 429
 430     // some controls (e.g. wxListBox) need to set the return value themselves
 431     //
 432     // return true to let parent handle it if we don't, false otherwise
 433     virtual bool MSWShouldPropagatePrintChild()
 434     {
 435         return true;
 436     }
 437
 438     // common part of Show/HideWithEffect()
 439     bool MSWShowWithEffect(bool show,
 440                            wxShowEffect effect,
 441                            unsigned timeout);
 442
 443     // Responds to colour changes: passes event on to children.
 444     void OnSysColourChanged(wxSysColourChangedEvent& event);
 445
 446     // initialize various fields of wxMouseEvent (common part of MSWOnMouseXXX)
 447     void InitMouseEvent(wxMouseEvent& event, int x, int y, WXUINT flags);
 448
 449     // check if mouse is in the window
 450     bool IsMouseInWindow() const;
 451
 452     // check if a native double-buffering applies for this window
 453     virtual bool IsDoubleBuffered() const;
 454
 455     void SetDoubleBuffered(bool on);
 456
 457     // synthesize a wxEVT_LEAVE_WINDOW event and set m_mouseInWindow to false
 458     void GenerateMouseLeave();
 459
 460     // virtual function for implementing internal idle
 461     // behaviour
 462     virtual void OnInternalIdle();
 463
 464 protected:
 465     // this allows you to implement standard control borders without
 466     // repeating the code in different classes that are not derived from
 467     // wxControl
 468     virtual wxBorder GetDefaultBorderForControl() const;
 469
 470     // choose the default border for this window
 471     virtual wxBorder GetDefaultBorder() const;
 472
 473     // Translate wxBORDER_THEME (and other border styles if necessary to the value
 474     // that makes most sense for this Windows environment
 475     virtual wxBorder TranslateBorder(wxBorder border) const;
 476
 477 #if wxUSE_MENUS_NATIVE
 478     virtual bool DoPopupMenu( wxMenu *menu, int x, int y );
 479 #endif // wxUSE_MENUS_NATIVE
 480
 481     // the window handle
 482     WXHWND                m_hWnd;
 483
 484     // the old window proc (we subclass all windows)
 485     WXFARPROC             m_oldWndProc;
 486
 487     // additional (MSW specific) flags
 488     bool                  m_mouseInWindow:1;
 489     bool                  m_lastKeydownProcessed:1;
 490
 491     // the size of one page for scrolling
 492     int                   m_xThumbSize;
 493     int                   m_yThumbSize;
 494
 495     // implement the base class pure virtuals
 496     virtual void DoClientToScreen( int *x, int *y ) const;
 497     virtual void DoScreenToClient( int *x, int *y ) const;
 498     virtual void DoGetPosition( int *x, int *y ) const;
 499     virtual void DoGetSize( int *width, int *height ) const;
 500     virtual void DoGetClientSize( int *width, int *height ) const;
 501     virtual void DoSetSize(int x, int y,
 502                            int width, int height,
 503                            int sizeFlags = wxSIZE_AUTO);
 504     virtual void DoSetClientSize(int width, int height);
 505
 506     virtual void DoCaptureMouse();
 507     virtual void DoReleaseMouse();
 508
 509     virtual void DoEnable(bool enable);
 510
 511     virtual void DoFreeze();
 512     virtual void DoThaw();
 513
 514     // this simply moves/resizes the given HWND which is supposed to be our
 515     // sibling (this is useful for controls which are composite at MSW level
 516     // and for which DoMoveWindow() is not enough)
 517     //
 518     // returns true if the window move was deferred, false if it was moved
 519     // immediately (no error return)
 520     bool DoMoveSibling(WXHWND hwnd, int x, int y, int width, int height);
 521
 522     // move the window to the specified location and resize it: this is called
 523     // from both DoSetSize() and DoSetClientSize() and would usually just call
 524     // ::MoveWindow() except for composite controls which will want to arrange
 525     // themselves inside the given rectangle
 526     virtual void DoMoveWindow(int x, int y, int width, int height);
 527
 528 #if wxUSE_TOOLTIPS
 529     virtual void DoSetToolTip( wxToolTip *tip );
 530
 531     // process TTN_NEEDTEXT message properly (i.e. fixing the bugs in
 532     // comctl32.dll in our code -- see the function body for more info)
 533     bool HandleTooltipNotify(WXUINT code,
 534                              WXLPARAM lParam,
 535                              const wxString& ttip);
 536 #endif // wxUSE_TOOLTIPS
 537
 538     // the helper functions used by HandleChar/KeyXXX methods
 539     wxKeyEvent CreateKeyEvent(wxEventType evType, int id,
 540                               WXLPARAM lParam = 0, WXWPARAM wParam = 0) const;
 541
 542
 543     // default OnEraseBackground() implementation, return true if we did erase
 544     // the background, false otherwise (i.e. the system should erase it)
 545     bool DoEraseBackground(WXHDC hDC);
 546
 547     // generate WM_CHANGEUISTATE if it's needed for the OS we're running under
 548     //
 549     // action should be one of the UIS_XXX constants
 550     // state should be one or more of the UISF_XXX constants
 551     // if action == UIS_INITIALIZE then it doesn't seem to matter what we use
 552     // for state as the system will decide for us what needs to be set
 553     void MSWUpdateUIState(int action, int state = 0);
 554
 555 private:
 556     // common part of all ctors
 557     void Init();
 558
 559     // the (non-virtual) handlers for the events
 560     bool HandleMove(int x, int y);
 561     bool HandleMoving(wxRect& rect);
 562     bool HandleJoystickEvent(WXUINT msg, int x, int y, WXUINT flags);
 563     bool HandleNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
 564
 565 #if wxUSE_DEFERRED_SIZING
 566 protected:
 567     // this function is called after the window was resized to its new size
 568     virtual void MSWEndDeferWindowPos()
 569     {
 570         m_pendingPosition = wxDefaultPosition;
 571         m_pendingSize = wxDefaultSize;
 572     }
 573
 574     // current defer window position operation handle (may be NULL)
 575     WXHANDLE m_hDWP;
 576
 577     // When deferred positioning is done these hold the pending changes, and
 578     // are used for the default values if another size/pos changes is done on
 579     // this window before the group of deferred changes is completed.
 580     wxPoint     m_pendingPosition;
 581     wxSize      m_pendingSize;
 582 #endif // wxUSE_DEFERRED_SIZING
 583
 584 private:
 585 #ifdef __POCKETPC__
 586     bool        m_contextMenuEnabled;
 587 #endif
 588
 589     DECLARE_DYNAMIC_CLASS(wxWindowMSW)
 590     wxDECLARE_NO_COPY_CLASS(wxWindowMSW);
 591     DECLARE_EVENT_TABLE()
 592 };
 593
 594 // ----------------------------------------------------------------------------
 595 // inline functions
 596 // ----------------------------------------------------------------------------
 597
 598 // ---------------------------------------------------------------------------
 599 // global functions
 600 // ---------------------------------------------------------------------------
 601
 602 // kbd code translation
 603 WXDLLIMPEXP_CORE int wxCharCodeMSWToWX(int keySym, WXLPARAM lParam = 0);
 604 WXDLLIMPEXP_CORE WXWORD wxCharCodeWXToMSW(int id, bool *IsVirtual = NULL);
 605
 606 // window creation helper class: before creating a new HWND, instantiate an
 607 // object of this class on stack - this allows to process the messages sent to
 608 // the window even before CreateWindow() returns
 609 class wxWindowCreationHook
 610 {
 611 public:
 612     wxWindowCreationHook(wxWindowMSW *winBeingCreated);
 613     ~wxWindowCreationHook();
 614 };
 615
 616 #endif // _WX_WINDOW_H_