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
  99     virtual void SetScrollbar( int orient, int pos, int thumbVisible,
 100                                int range, bool refresh = true );
 101     virtual void SetScrollPos( int orient, int pos, bool refresh = true );
 102     virtual int GetScrollPos( int orient ) const;
 103     virtual int GetScrollThumb( int orient ) const;
 104     virtual int GetScrollRange( int orient ) const;
 105     virtual void ScrollWindow( int dx, int dy,
 106                                const wxRect* rect = NULL );
 107
 108     virtual bool ScrollLines(int lines);
 109     virtual bool ScrollPages(int pages);
 110
 111     virtual void SetLayoutDirection(wxLayoutDirection dir);
 112     virtual wxLayoutDirection GetLayoutDirection() const;
 113     virtual wxCoord AdjustForLayoutDirection(wxCoord x,
 114                                              wxCoord width,
 115                                              wxCoord widthTotal) const;
 116
 117 #if wxUSE_DRAG_AND_DROP
 118     virtual void SetDropTarget( wxDropTarget *dropTarget );
 119 #endif // wxUSE_DRAG_AND_DROP
 120
 121     // Accept files for dragging
 122     virtual void DragAcceptFiles(bool accept);
 123
 124 #ifndef __WXUNIVERSAL__
 125     // Native resource loading (implemented in src/msw/nativdlg.cpp)
 126     // FIXME: should they really be all virtual?
 127     virtual bool LoadNativeDialog(wxWindow* parent, wxWindowID& id);
 128     virtual bool LoadNativeDialog(wxWindow* parent, const wxString& name);
 129     wxWindow* GetWindowChild1(wxWindowID id);
 130     wxWindow* GetWindowChild(wxWindowID id);
 131 #endif // __WXUNIVERSAL__
 132
 133 #if wxUSE_HOTKEY
 134     // install and deinstall a system wide hotkey
 135     virtual bool RegisterHotKey(int hotkeyId, int modifiers, int keycode);
 136     virtual bool UnregisterHotKey(int hotkeyId);
 137 #endif // wxUSE_HOTKEY
 138
 139 #ifdef __POCKETPC__
 140     bool IsContextMenuEnabled() const { return m_contextMenuEnabled; }
 141     void EnableContextMenu(bool enable = true) { m_contextMenuEnabled = enable; }
 142 #endif
 143
 144     // window handle stuff
 145     // -------------------
 146
 147     WXHWND GetHWND() const { return m_hWnd; }
 148     void SetHWND(WXHWND hWnd) { m_hWnd = hWnd; }
 149     virtual WXWidget GetHandle() const { return GetHWND(); }
 150
 151     void AssociateHandle(WXWidget handle);
 152     void DissociateHandle();
 153
 154     // does this window have deferred position and/or size?
 155     bool IsSizeDeferred() const;
 156
 157     // these functions allow to register a global handler for the given Windows
 158     // message: it will be called from MSWWindowProc() of any window which gets
 159     // this event if it's not processed before (i.e. unlike a hook procedure it
 160     // does not override the normal processing)
 161     //
 162     // notice that if you want to process a message for a given window only you
 163     // should override its MSWWindowProc() instead
 164
 165     // type of the handler: it is called with the message parameters (except
 166     // that the window object is passed instead of window handle) and should
 167     // return true if it handled the message or false if it should be passed to
 168     // DefWindowProc()
 169     typedef bool (*MSWMessageHandler)(wxWindowMSW *win,
 170                                       WXUINT nMsg,
 171                                       WXWPARAM wParam,
 172                                       WXLPARAM lParam);
 173
 174     // install a handler, shouldn't be called more than one for the same message
 175     static bool MSWRegisterMessageHandler(int msg, MSWMessageHandler handler);
 176
 177     // unregister a previously registered handler
 178     static void MSWUnregisterMessageHandler(int msg, MSWMessageHandler handler);
 179
 180
 181     // implementation from now on
 182     // ==========================
 183
 184     // event handlers
 185     // --------------
 186
 187     void OnPaint(wxPaintEvent& event);
 188 #ifdef __WXWINCE__
 189     void OnInitDialog(wxInitDialogEvent& event);
 190 #endif
 191
 192 public:
 193     // Windows subclassing
 194     void SubclassWin(WXHWND hWnd);
 195     void UnsubclassWin();
 196
 197     WXFARPROC MSWGetOldWndProc() const { return m_oldWndProc; }
 198     void MSWSetOldWndProc(WXFARPROC proc) { m_oldWndProc = proc; }
 199
 200     // return true if the window is of a standard (i.e. not wxWidgets') class
 201     //
 202     // to understand why does it work, look at SubclassWin() code and comments
 203     bool IsOfStandardClass() const { return m_oldWndProc != NULL; }
 204
 205     wxWindow *FindItem(long id) const;
 206     wxWindow *FindItemByHWND(WXHWND hWnd, bool controlOnly = false) const;
 207
 208     // MSW only: true if this control is part of the main control
 209     virtual bool ContainsHWND(WXHWND WXUNUSED(hWnd)) const { return false; }
 210
 211 #if wxUSE_TOOLTIPS
 212     // MSW only: true if this window or any of its children have a tooltip
 213     virtual bool HasToolTips() const { return GetToolTip() != NULL; }
 214 #endif // wxUSE_TOOLTIPS
 215
 216     // translate wxWidgets style flags for this control into the Windows style
 217     // and optional extended style for the corresponding native control
 218     //
 219     // this is the function that should be overridden in the derived classes,
 220     // but you will mostly use MSWGetCreateWindowFlags() below
 221     virtual WXDWORD MSWGetStyle(long flags, WXDWORD *exstyle = NULL) const ;
 222
 223     // get the MSW window flags corresponding to wxWidgets ones
 224     //
 225     // the functions returns the flags (WS_XXX) directly and puts the ext
 226     // (WS_EX_XXX) flags into the provided pointer if not NULL
 227     WXDWORD MSWGetCreateWindowFlags(WXDWORD *exflags = NULL) const
 228         { return MSWGetStyle(GetWindowStyle(), exflags); }
 229
 230     // update the real underlying window style flags to correspond to the
 231     // current wxWindow object style (safe to call even if window isn't fully
 232     // created yet)
 233     void MSWUpdateStyle(long flagsOld, long exflagsOld);
 234
 235     // translate wxWidgets coords into Windows ones suitable to be passed to
 236     // ::CreateWindow()
 237     //
 238     // returns true if non default coords are returned, false otherwise
 239     bool MSWGetCreateWindowCoords(const wxPoint& pos,
 240                                   const wxSize& size,
 241                                   int& x, int& y,
 242                                   int& w, int& h) const;
 243
 244     // get the HWND to be used as parent of this window with CreateWindow()
 245     virtual WXHWND MSWGetParent() const;
 246
 247     // get the Win32 window class name used by all wxWindow objects by default
 248     static const wxChar *MSWGetRegisteredClassName();
 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 hDC parameter is the DC background will be drawn on, it can be used
 403     // to call SetBrushOrgEx() on it if the returned brush is a bitmap one
 404     //
 405     // child parameter is never NULL
 406     //
 407     // the base class version returns a solid brush if we have a non default
 408     // background colour or 0 otherwise
 409     virtual WXHBRUSH MSWGetBgBrushForChild(WXHDC hDC, wxWindowMSW *child);
 410
 411     // return the background brush to use for painting the given window by
 412     // quering the parent windows via their MSWGetBgBrushForChild() recursively
 413     WXHBRUSH MSWGetBgBrush(WXHDC hDC) { return MSWGetBgBrush(hDC, this); }
 414     WXHBRUSH MSWGetBgBrush(WXHDC hDC, wxWindowMSW *child);
 415
 416     // gives the parent the possibility to draw its children background, e.g.
 417     // this is used by wxNotebook to do it using DrawThemeBackground()
 418     //
 419     // return true if background was drawn, false otherwise
 420     virtual bool MSWPrintChild(WXHDC WXUNUSED(hDC), wxWindow * WXUNUSED(child))
 421     {
 422         return false;
 423     }
 424
 425     // some controls (e.g. wxListBox) need to set the return value themselves
 426     //
 427     // return true to let parent handle it if we don't, false otherwise
 428     virtual bool MSWShouldPropagatePrintChild()
 429     {
 430         return true;
 431     }
 432
 433     // common part of Show/HideWithEffect()
 434     bool MSWShowWithEffect(bool show,
 435                            wxShowEffect effect,
 436                            unsigned timeout);
 437
 438     // Responds to colour changes: passes event on to children.
 439     void OnSysColourChanged(wxSysColourChangedEvent& event);
 440
 441     // initialize various fields of wxMouseEvent (common part of MSWOnMouseXXX)
 442     void InitMouseEvent(wxMouseEvent& event, int x, int y, WXUINT flags);
 443
 444     // check if mouse is in the window
 445     bool IsMouseInWindow() const;
 446
 447     // check if a native double-buffering applies for this window
 448     virtual bool IsDoubleBuffered() const;
 449
 450     void SetDoubleBuffered(bool on);
 451
 452     // synthesize a wxEVT_LEAVE_WINDOW event and set m_mouseInWindow to false
 453     void GenerateMouseLeave();
 454
 455     // virtual function for implementing internal idle
 456     // behaviour
 457     virtual void OnInternalIdle();
 458
 459 protected:
 460     // this allows you to implement standard control borders without
 461     // repeating the code in different classes that are not derived from
 462     // wxControl
 463     virtual wxBorder GetDefaultBorderForControl() const;
 464
 465     // choose the default border for this window
 466     virtual wxBorder GetDefaultBorder() const;
 467
 468     // Translate wxBORDER_THEME (and other border styles if necessary to the value
 469     // that makes most sense for this Windows environment
 470     virtual wxBorder TranslateBorder(wxBorder border) const;
 471
 472 #if wxUSE_MENUS_NATIVE
 473     virtual bool DoPopupMenu( wxMenu *menu, int x, int y );
 474 #endif // wxUSE_MENUS_NATIVE
 475
 476     // the window handle
 477     WXHWND                m_hWnd;
 478
 479     // the old window proc (we subclass all windows)
 480     WXFARPROC             m_oldWndProc;
 481
 482     // additional (MSW specific) flags
 483     bool                  m_mouseInWindow:1;
 484     bool                  m_lastKeydownProcessed:1;
 485
 486     // the size of one page for scrolling
 487     int                   m_xThumbSize;
 488     int                   m_yThumbSize;
 489
 490     // implement the base class pure virtuals
 491     virtual void DoGetTextExtent(const wxString& string,
 492                                  int *x, int *y,
 493                                  int *descent = NULL,
 494                                  int *externalLeading = NULL,
 495                                  const wxFont *font = NULL) const;
 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 wxSize DoGetBorderSize() const;
 507
 508     virtual void DoCaptureMouse();
 509     virtual void DoReleaseMouse();
 510
 511     virtual void DoEnable(bool enable);
 512
 513     virtual void DoFreeze();
 514     virtual void DoThaw();
 515
 516     // this simply moves/resizes the given HWND which is supposed to be our
 517     // sibling (this is useful for controls which are composite at MSW level
 518     // and for which DoMoveWindow() is not enough)
 519     //
 520     // returns true if the window move was deferred, false if it was moved
 521     // immediately (no error return)
 522     bool DoMoveSibling(WXHWND hwnd, int x, int y, int width, int height);
 523
 524     // move the window to the specified location and resize it: this is called
 525     // from both DoSetSize() and DoSetClientSize() and would usually just call
 526     // ::MoveWindow() except for composite controls which will want to arrange
 527     // themselves inside the given rectangle
 528     virtual void DoMoveWindow(int x, int y, int width, int height);
 529
 530 #if wxUSE_TOOLTIPS
 531     virtual void DoSetToolTip( wxToolTip *tip );
 532
 533     // process TTN_NEEDTEXT message properly (i.e. fixing the bugs in
 534     // comctl32.dll in our code -- see the function body for more info)
 535     bool HandleTooltipNotify(WXUINT code,
 536                              WXLPARAM lParam,
 537                              const wxString& ttip);
 538 #endif // wxUSE_TOOLTIPS
 539
 540     // the helper functions used by HandleChar/KeyXXX methods
 541     wxKeyEvent CreateKeyEvent(wxEventType evType, int id,
 542                               WXLPARAM lParam = 0, WXWPARAM wParam = 0) const;
 543
 544
 545     // default OnEraseBackground() implementation, return true if we did erase
 546     // the background, false otherwise (i.e. the system should erase it)
 547     bool DoEraseBackground(WXHDC hDC);
 548
 549     // generate WM_CHANGEUISTATE if it's needed for the OS we're running under
 550     //
 551     // action should be one of the UIS_XXX constants
 552     // state should be one or more of the UISF_XXX constants
 553     // if action == UIS_INITIALIZE then it doesn't seem to matter what we use
 554     // for state as the system will decide for us what needs to be set
 555     void MSWUpdateUIState(int action, int state = 0);
 556
 557 private:
 558     // common part of all ctors
 559     void Init();
 560
 561     // the (non-virtual) handlers for the events
 562     bool HandleMove(int x, int y);
 563     bool HandleMoving(wxRect& rect);
 564     bool HandleJoystickEvent(WXUINT msg, int x, int y, WXUINT flags);
 565     bool HandleNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
 566
 567 #if wxUSE_DEFERRED_SIZING
 568 protected:
 569     // this function is called after the window was resized to its new size
 570     virtual void MSWEndDeferWindowPos()
 571     {
 572         m_pendingPosition = wxDefaultPosition;
 573         m_pendingSize = wxDefaultSize;
 574     }
 575
 576     // current defer window position operation handle (may be NULL)
 577     WXHANDLE m_hDWP;
 578
 579     // When deferred positioning is done these hold the pending changes, and
 580     // are used for the default values if another size/pos changes is done on
 581     // this window before the group of deferred changes is completed.
 582     wxPoint     m_pendingPosition;
 583     wxSize      m_pendingSize;
 584 #endif // wxUSE_DEFERRED_SIZING
 585
 586 private:
 587 #ifdef __POCKETPC__
 588     bool        m_contextMenuEnabled;
 589 #endif
 590
 591     DECLARE_DYNAMIC_CLASS(wxWindowMSW)
 592     wxDECLARE_NO_COPY_CLASS(wxWindowMSW);
 593     DECLARE_EVENT_TABLE()
 594 };
 595
 596 // ----------------------------------------------------------------------------
 597 // inline functions
 598 // ----------------------------------------------------------------------------
 599
 600 // ---------------------------------------------------------------------------
 601 // global functions
 602 // ---------------------------------------------------------------------------
 603
 604 // kbd code translation
 605 WXDLLIMPEXP_CORE int wxCharCodeMSWToWX(int keySym, WXLPARAM lParam = 0);
 606 WXDLLIMPEXP_CORE WXWORD wxCharCodeWXToMSW(int id);
 607
 608 // window creation helper class: before creating a new HWND, instantiate an
 609 // object of this class on stack - this allows to process the messages sent to
 610 // the window even before CreateWindow() returns
 611 class wxWindowCreationHook
 612 {
 613 public:
 614     wxWindowCreationHook(wxWindowMSW *winBeingCreated);
 615     ~wxWindowCreationHook();
 616 };
 617
 618 #endif // _WX_WINDOW_H_