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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#include "wx/settings.h" // solely for wxSystemColour
17
18// if this is set to 1, we use deferred window sizing to reduce flicker when
19// resizing complicated window hierarchies, but this can in theory result in
20// different behaviour than the old code so we keep the possibility to use it
21// by setting this to 0 (in the future this should be removed completely)
22#ifdef __WXWINCE__
23 #define wxUSE_DEFERRED_SIZING 0
24#else
25 #define wxUSE_DEFERRED_SIZING 1
26#endif
27
28// ---------------------------------------------------------------------------
29// wxWindow declaration for MSW
30// ---------------------------------------------------------------------------
31
32class WXDLLIMPEXP_CORE wxWindowMSW : public wxWindowBase
33{
34 friend class wxSpinCtrl;
35 friend class wxSlider;
36 friend class wxRadioBox;
37#if defined __VISUALC__ && __VISUALC__ <= 1200
38 friend class wxWindowMSW;
39#endif
40public:
41 wxWindowMSW() { Init(); }
42
43 wxWindowMSW(wxWindow *parent,
44 wxWindowID id,
45 const wxPoint& pos = wxDefaultPosition,
46 const wxSize& size = wxDefaultSize,
47 long style = 0,
48 const wxString& name = wxPanelNameStr)
49 {
50 Init();
51 Create(parent, id, pos, size, style, name);
52 }
53
54 virtual ~wxWindowMSW();
55
56 bool Create(wxWindow *parent,
57 wxWindowID id,
58 const wxPoint& pos = wxDefaultPosition,
59 const wxSize& size = wxDefaultSize,
60 long style = 0,
61 const wxString& name = wxPanelNameStr);
62
63 // implement base class pure virtuals
64 virtual void SetLabel(const wxString& label);
65 virtual wxString GetLabel() const;
66
67 virtual void Raise();
68 virtual void Lower();
69
70 virtual bool Show(bool show = true);
71 virtual bool ShowWithEffect(wxShowEffect effect,
72 unsigned timeout = 0)
73 {
74 return MSWShowWithEffect(true, effect, timeout);
75 }
76 virtual bool HideWithEffect(wxShowEffect effect,
77 unsigned timeout = 0)
78 {
79 return MSWShowWithEffect(false, effect, timeout);
80 }
81
82 virtual void SetFocus();
83 virtual void SetFocusFromKbd();
84
85 virtual bool Reparent(wxWindowBase *newParent);
86
87 virtual void WarpPointer(int x, int y);
88
89 virtual void Refresh( bool eraseBackground = true,
90 const wxRect *rect = (const wxRect *) NULL );
91 virtual void Update();
92
93 virtual void SetWindowStyleFlag(long style);
94 virtual void SetExtraStyle(long exStyle);
95 virtual bool SetCursor( const wxCursor &cursor );
96 virtual bool SetFont( const wxFont &font );
97
98 virtual int GetCharHeight() const;
99 virtual int GetCharWidth() 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 = 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#ifdef __WXWINCE__
191 void OnInitDialog(wxInitDialogEvent& event);
192#endif
193
194public:
195 // Windows subclassing
196 void SubclassWin(WXHWND hWnd);
197 void UnsubclassWin();
198
199 WXFARPROC MSWGetOldWndProc() const { return m_oldWndProc; }
200 void MSWSetOldWndProc(WXFARPROC proc) { m_oldWndProc = proc; }
201
202 // return true if the window is of a standard (i.e. not wxWidgets') class
203 //
204 // to understand why does it work, look at SubclassWin() code and comments
205 bool IsOfStandardClass() const { return m_oldWndProc != NULL; }
206
207 wxWindow *FindItem(long id) const;
208 wxWindow *FindItemByHWND(WXHWND hWnd, bool controlOnly = false) const;
209
210 // MSW only: true if this control is part of the main control
211 virtual bool ContainsHWND(WXHWND WXUNUSED(hWnd)) const { return false; }
212
213#if wxUSE_TOOLTIPS
214 // MSW only: true if this window or any of its children have a tooltip
215 virtual bool HasToolTips() const { return GetToolTip() != NULL; }
216#endif // wxUSE_TOOLTIPS
217
218 // translate wxWidgets style flags for this control into the Windows style
219 // and optional extended style for the corresponding native control
220 //
221 // this is the function that should be overridden in the derived classes,
222 // but you will mostly use MSWGetCreateWindowFlags() below
223 virtual WXDWORD MSWGetStyle(long flags, WXDWORD *exstyle = NULL) const ;
224
225 // get the MSW window flags corresponding to wxWidgets ones
226 //
227 // the functions returns the flags (WS_XXX) directly and puts the ext
228 // (WS_EX_XXX) flags into the provided pointer if not NULL
229 WXDWORD MSWGetCreateWindowFlags(WXDWORD *exflags = NULL) const
230 { return MSWGetStyle(GetWindowStyle(), exflags); }
231
232 // update the real underlying window style flags to correspond to the
233 // current wxWindow object style (safe to call even if window isn't fully
234 // created yet)
235 void MSWUpdateStyle(long flagsOld, long exflagsOld);
236
237 // get the HWND to be used as parent of this window with CreateWindow()
238 virtual WXHWND MSWGetParent() const;
239
240 // get the Win32 window class name used by all wxWindow objects by default
241 static const wxChar *MSWGetRegisteredClassName();
242
243 // creates the window of specified Windows class with given style, extended
244 // style, title and geometry (default values
245 //
246 // returns true if the window has been created, false if creation failed
247 bool MSWCreate(const wxChar *wclass,
248 const wxChar *title = NULL,
249 const wxPoint& pos = wxDefaultPosition,
250 const wxSize& size = wxDefaultSize,
251 WXDWORD style = 0,
252 WXDWORD exendedStyle = 0);
253
254 virtual bool MSWCommand(WXUINT param, WXWORD id);
255
256#ifndef __WXUNIVERSAL__
257 // Create an appropriate wxWindow from a HWND
258 virtual wxWindow* CreateWindowFromHWND(wxWindow* parent, WXHWND hWnd);
259
260 // Make sure the window style reflects the HWND style (roughly)
261 virtual void AdoptAttributesFromHWND();
262#endif // __WXUNIVERSAL__
263
264 // Setup background and foreground colours correctly
265 virtual void SetupColours();
266
267 // ------------------------------------------------------------------------
268 // helpers for message handlers: these perform the same function as the
269 // message crackers from <windowsx.h> - they unpack WPARAM and LPARAM into
270 // the correct parameters
271 // ------------------------------------------------------------------------
272
273 void UnpackCommand(WXWPARAM wParam, WXLPARAM lParam,
274 WXWORD *id, WXHWND *hwnd, WXWORD *cmd);
275 void UnpackActivate(WXWPARAM wParam, WXLPARAM lParam,
276 WXWORD *state, WXWORD *minimized, WXHWND *hwnd);
277 void UnpackScroll(WXWPARAM wParam, WXLPARAM lParam,
278 WXWORD *code, WXWORD *pos, WXHWND *hwnd);
279 void UnpackCtlColor(WXWPARAM wParam, WXLPARAM lParam,
280 WXHDC *hdc, WXHWND *hwnd);
281 void UnpackMenuSelect(WXWPARAM wParam, WXLPARAM lParam,
282 WXWORD *item, WXWORD *flags, WXHMENU *hmenu);
283
284 // ------------------------------------------------------------------------
285 // internal handlers for MSW messages: all handlers return a boolean value:
286 // true means that the handler processed the event and false that it didn't
287 // ------------------------------------------------------------------------
288
289 // there are several cases where we have virtual functions for Windows
290 // message processing: this is because these messages often require to be
291 // processed in a different manner in the derived classes. For all other
292 // messages, however, we do *not* have corresponding MSWOnXXX() function
293 // and if the derived class wants to process them, it should override
294 // MSWWindowProc() directly.
295
296 // scroll event (both horizontal and vertical)
297 virtual bool MSWOnScroll(int orientation, WXWORD nSBCode,
298 WXWORD pos, WXHWND control);
299
300 // child control notifications
301 virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
302
303 // owner-drawn controls need to process these messages
304 virtual bool MSWOnDrawItem(int id, WXDRAWITEMSTRUCT *item);
305 virtual bool MSWOnMeasureItem(int id, WXMEASUREITEMSTRUCT *item);
306
307 // the rest are not virtual
308 bool HandleCreate(WXLPCREATESTRUCT cs, bool *mayCreate);
309 bool HandleInitDialog(WXHWND hWndFocus);
310 bool HandleDestroy();
311
312 bool HandlePaint();
313 bool HandlePrintClient(WXHDC hDC);
314 bool HandleEraseBkgnd(WXHDC hDC);
315
316 bool HandleMinimize();
317 bool HandleMaximize();
318 bool HandleSize(int x, int y, WXUINT flag);
319 bool HandleSizing(wxRect& rect);
320 bool HandleGetMinMaxInfo(void *mmInfo);
321 bool HandleEnterSizeMove();
322 bool HandleExitSizeMove();
323
324 bool HandleShow(bool show, int status);
325 bool HandleActivate(int flag, bool minimized, WXHWND activate);
326
327 bool HandleCommand(WXWORD id, WXWORD cmd, WXHWND control);
328
329 bool HandleCtlColor(WXHBRUSH *hBrush, WXHDC hdc, WXHWND hWnd);
330
331 bool HandlePaletteChanged(WXHWND hWndPalChange);
332 bool HandleQueryNewPalette();
333 bool HandleSysColorChange();
334 bool HandleDisplayChange();
335 bool HandleCaptureChanged(WXHWND gainedCapture);
336 virtual bool HandleSettingChange(WXWPARAM wParam, WXLPARAM lParam);
337
338 bool HandleQueryEndSession(long logOff, bool *mayEnd);
339 bool HandleEndSession(bool endSession, long logOff);
340
341 bool HandleSetFocus(WXHWND wnd);
342 bool HandleKillFocus(WXHWND wnd);
343
344 bool HandleDropFiles(WXWPARAM wParam);
345
346 bool HandleMouseEvent(WXUINT msg, int x, int y, WXUINT flags);
347 bool HandleMouseMove(int x, int y, WXUINT flags);
348 bool HandleMouseWheel(WXWPARAM wParam, WXLPARAM lParam);
349
350 bool HandleChar(WXWPARAM wParam, WXLPARAM lParam);
351 bool HandleKeyDown(WXWPARAM wParam, WXLPARAM lParam);
352 bool HandleKeyUp(WXWPARAM wParam, WXLPARAM lParam);
353#if wxUSE_ACCEL
354 bool HandleHotKey(WXWPARAM wParam, WXLPARAM lParam);
355#endif
356#ifdef __WIN32__
357 int HandleMenuChar(int chAccel, WXLPARAM lParam);
358#endif
359 // Create and process a clipboard event specified by type.
360 bool HandleClipboardEvent( WXUINT nMsg );
361
362 bool HandleQueryDragIcon(WXHICON *hIcon);
363
364 bool HandleSetCursor(WXHWND hWnd, short nHitTest, int mouseMsg);
365
366 bool HandlePower(WXWPARAM wParam, WXLPARAM lParam, bool *vetoed);
367
368
369 // Window procedure
370 virtual WXLRESULT MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
371
372 // Calls an appropriate default window procedure
373 virtual WXLRESULT MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
374
375 // message processing helpers
376
377 // return false if the message shouldn't be translated/preprocessed but
378 // dispatched normally
379 virtual bool MSWShouldPreProcessMessage(WXMSG* pMsg);
380
381 // return true if the message was preprocessed and shouldn't be dispatched
382 virtual bool MSWProcessMessage(WXMSG* pMsg);
383
384 // return true if the message was translated and shouldn't be dispatched
385 virtual bool MSWTranslateMessage(WXMSG* pMsg);
386
387 // called when the window is about to be destroyed
388 virtual void MSWDestroyWindow();
389
390
391 // Functions dealing with painting the window background. The derived
392 // classes should normally only need to reimplement MSWGetBgBrush() if they
393 // need to use a non-solid brush for erasing their background. This
394 // function is called by MSWGetBgBrushForChild() which only exists for the
395 // weird wxToolBar case and MSWGetBgBrushForChild() itself is used by
396 // MSWGetBgBrush() to actually find the right brush to use.
397
398 // The brush returned from here must remain valid at least until the next
399 // event loop iteration. Returning 0, as is done by default, indicates
400 // there is no custom background brush.
401 virtual WXHBRUSH MSWGetCustomBgBrush() { return 0; }
402
403 // this function should return the brush to paint the children controls
404 // background or 0 if this window doesn't impose any particular background
405 // on its children
406 //
407 // the hDC parameter is the DC background will be drawn on, it can be used
408 // to call SetBrushOrgEx() on it if the returned brush is a bitmap one
409 //
410 // child parameter is never NULL, it can be this window itself or one of
411 // its (grand)children
412 //
413 // the base class version returns a solid brush if we have a non default
414 // background colour or 0 otherwise
415 virtual WXHBRUSH MSWGetBgBrushForChild(WXHDC hDC, wxWindowMSW *child);
416
417 // return the background brush to use for painting the given window by
418 // querying the parent windows via MSWGetBgBrushForChild() recursively
419 WXHBRUSH MSWGetBgBrush(WXHDC hDC);
420
421 enum MSWThemeColour
422 {
423 ThemeColourText = 0,
424 ThemeColourBackground,
425 ThemeColourBorder
426 };
427
428 // returns a specific theme colour, or if that is not possible then
429 // wxSystemSettings::GetColour(fallback)
430 wxColour MSWGetThemeColour(const wchar_t *themeName,
431 int themePart,
432 int themeState,
433 MSWThemeColour themeColour,
434 wxSystemColour fallback) const;
435
436 // gives the parent the possibility to draw its children background, e.g.
437 // this is used by wxNotebook to do it using DrawThemeBackground()
438 //
439 // return true if background was drawn, false otherwise
440 virtual bool MSWPrintChild(WXHDC WXUNUSED(hDC), wxWindow * WXUNUSED(child))
441 {
442 return false;
443 }
444
445 // some controls (e.g. wxListBox) need to set the return value themselves
446 //
447 // return true to let parent handle it if we don't, false otherwise
448 virtual bool MSWShouldPropagatePrintChild()
449 {
450 return true;
451 }
452
453 // This should be overridden to return true for the controls which have
454 // themed background that should through their children. Currently only
455 // wxNotebook uses this.
456 virtual bool MSWHasInheritableBackground() const { return false; }
457
458#if !defined(__WXWINCE__) && !defined(__WXUNIVERSAL__)
459 #define wxHAS_MSW_BACKGROUND_ERASE_HOOK
460#endif
461
462#ifdef wxHAS_MSW_BACKGROUND_ERASE_HOOK
463 // allows the child to hook into its parent WM_ERASEBKGND processing: call
464 // MSWSetEraseBgHook() with a non-NULL window to make parent call
465 // MSWEraseBgHook() on this window (don't forget to reset it to NULL
466 // afterwards)
467 //
468 // this hack is used by wxToolBar, see comments there
469 void MSWSetEraseBgHook(wxWindow *child);
470
471 // return true if WM_ERASEBKGND is currently hooked
472 bool MSWHasEraseBgHook() const;
473
474 // called when the window on which MSWSetEraseBgHook() had been called
475 // receives WM_ERASEBKGND
476 virtual bool MSWEraseBgHook(WXHDC WXUNUSED(hDC)) { return false; }
477#endif // wxHAS_MSW_BACKGROUND_ERASE_HOOK
478
479 // common part of Show/HideWithEffect()
480 bool MSWShowWithEffect(bool show,
481 wxShowEffect effect,
482 unsigned timeout);
483
484 // Responds to colour changes: passes event on to children.
485 void OnSysColourChanged(wxSysColourChangedEvent& event);
486
487 // initialize various fields of wxMouseEvent (common part of MSWOnMouseXXX)
488 void InitMouseEvent(wxMouseEvent& event, int x, int y, WXUINT flags);
489
490 // check if mouse is in the window
491 bool IsMouseInWindow() const;
492
493 // check if a native double-buffering applies for this window
494 virtual bool IsDoubleBuffered() const;
495
496 void SetDoubleBuffered(bool on);
497
498 // synthesize a wxEVT_LEAVE_WINDOW event and set m_mouseInWindow to false
499 void GenerateMouseLeave();
500
501 // virtual function for implementing internal idle
502 // behaviour
503 virtual void OnInternalIdle();
504
505protected:
506 // this allows you to implement standard control borders without
507 // repeating the code in different classes that are not derived from
508 // wxControl
509 virtual wxBorder GetDefaultBorderForControl() const;
510
511 // choose the default border for this window
512 virtual wxBorder GetDefaultBorder() const;
513
514 // Translate wxBORDER_THEME (and other border styles if necessary to the value
515 // that makes most sense for this Windows environment
516 virtual wxBorder TranslateBorder(wxBorder border) const;
517
518#if wxUSE_MENUS_NATIVE
519 virtual bool DoPopupMenu( wxMenu *menu, int x, int y );
520#endif // wxUSE_MENUS_NATIVE
521
522 // the window handle
523 WXHWND m_hWnd;
524
525 // the old window proc (we subclass all windows)
526 WXFARPROC m_oldWndProc;
527
528 // additional (MSW specific) flags
529 bool m_mouseInWindow:1;
530 bool m_lastKeydownProcessed:1;
531
532 // the size of one page for scrolling
533 int m_xThumbSize;
534 int m_yThumbSize;
535
536 // implement the base class pure virtuals
537 virtual void DoGetTextExtent(const wxString& string,
538 int *x, int *y,
539 int *descent = NULL,
540 int *externalLeading = NULL,
541 const wxFont *font = NULL) const;
542 virtual void DoClientToScreen( int *x, int *y ) const;
543 virtual void DoScreenToClient( int *x, int *y ) const;
544 virtual void DoGetPosition( int *x, int *y ) const;
545 virtual void DoGetSize( int *width, int *height ) const;
546 virtual void DoGetClientSize( int *width, int *height ) const;
547 virtual void DoSetSize(int x, int y,
548 int width, int height,
549 int sizeFlags = wxSIZE_AUTO);
550 virtual void DoSetClientSize(int width, int height);
551
552 virtual wxSize DoGetBorderSize() const;
553
554 virtual void DoCaptureMouse();
555 virtual void DoReleaseMouse();
556
557 virtual void DoEnable(bool enable);
558
559 virtual void DoFreeze();
560 virtual void DoThaw();
561
562 // this simply moves/resizes the given HWND which is supposed to be our
563 // sibling (this is useful for controls which are composite at MSW level
564 // and for which DoMoveWindow() is not enough)
565 //
566 // returns true if the window move was deferred, false if it was moved
567 // immediately (no error return)
568 bool DoMoveSibling(WXHWND hwnd, int x, int y, int width, int height);
569
570 // move the window to the specified location and resize it: this is called
571 // from both DoSetSize() and DoSetClientSize() and would usually just call
572 // ::MoveWindow() except for composite controls which will want to arrange
573 // themselves inside the given rectangle
574 virtual void DoMoveWindow(int x, int y, int width, int height);
575
576#if wxUSE_TOOLTIPS
577 virtual void DoSetToolTip( wxToolTip *tip );
578
579 // process TTN_NEEDTEXT message properly (i.e. fixing the bugs in
580 // comctl32.dll in our code -- see the function body for more info)
581 bool HandleTooltipNotify(WXUINT code,
582 WXLPARAM lParam,
583 const wxString& ttip);
584#endif // wxUSE_TOOLTIPS
585
586 // This is used by CreateKeyEvent() and also for wxEVT_CHAR[_HOOK] event
587 // creation. Notice that this method doesn't initialize wxKeyEvent
588 // m_keyCode and m_uniChar fields.
589 void InitAnyKeyEvent(wxKeyEvent& event,
590 WXWPARAM wParam,
591 WXLPARAM lParam) const;
592
593 // Helper functions used by HandleKeyXXX() methods and some derived
594 // classes, wParam and lParam have the same meaning as in WM_KEY{DOWN,UP}.
595 //
596 // NB: evType here must be wxEVT_KEY_{DOWN,UP} as wParam here contains the
597 // virtual key code, not character!
598 wxKeyEvent CreateKeyEvent(wxEventType evType,
599 WXWPARAM wParam,
600 WXLPARAM lParam = 0) const;
601
602 // Another helper for creating wxKeyEvent for wxEVT_CHAR and related types.
603 //
604 // The wParam and lParam here must come from WM_CHAR event parameters, i.e.
605 // wParam must be a character and not a virtual code.
606 wxKeyEvent CreateCharEvent(wxEventType evType,
607 WXWPARAM wParam,
608 WXLPARAM lParam) const;
609
610
611 // default OnEraseBackground() implementation, return true if we did erase
612 // the background, false otherwise (i.e. the system should erase it)
613 bool DoEraseBackground(WXHDC hDC);
614
615 // generate WM_CHANGEUISTATE if it's needed for the OS we're running under
616 //
617 // action should be one of the UIS_XXX constants
618 // state should be one or more of the UISF_XXX constants
619 // if action == UIS_INITIALIZE then it doesn't seem to matter what we use
620 // for state as the system will decide for us what needs to be set
621 void MSWUpdateUIState(int action, int state = 0);
622
623 // translate wxWidgets coords into Windows ones suitable to be passed to
624 // ::CreateWindow(), called from MSWCreate()
625 virtual void MSWGetCreateWindowCoords(const wxPoint& pos,
626 const wxSize& size,
627 int& x, int& y,
628 int& w, int& h) const;
629
630 bool MSWEnableHWND(WXHWND hWnd, bool enable);
631
632private:
633 // common part of all ctors
634 void Init();
635
636 // the (non-virtual) handlers for the events
637 bool HandleMove(int x, int y);
638 bool HandleMoving(wxRect& rect);
639 bool HandleJoystickEvent(WXUINT msg, int x, int y, WXUINT flags);
640 bool HandleNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
641
642#if wxUSE_DEFERRED_SIZING
643protected:
644 // this function is called after the window was resized to its new size
645 virtual void MSWEndDeferWindowPos()
646 {
647 m_pendingPosition = wxDefaultPosition;
648 m_pendingSize = wxDefaultSize;
649 }
650
651 // current defer window position operation handle (may be NULL)
652 WXHANDLE m_hDWP;
653
654 // When deferred positioning is done these hold the pending changes, and
655 // are used for the default values if another size/pos changes is done on
656 // this window before the group of deferred changes is completed.
657 wxPoint m_pendingPosition;
658 wxSize m_pendingSize;
659#endif // wxUSE_DEFERRED_SIZING
660
661private:
662#ifdef __POCKETPC__
663 bool m_contextMenuEnabled;
664#endif
665
666 DECLARE_DYNAMIC_CLASS(wxWindowMSW)
667 wxDECLARE_NO_COPY_CLASS(wxWindowMSW);
668 DECLARE_EVENT_TABLE()
669};
670
671// window creation helper class: before creating a new HWND, instantiate an
672// object of this class on stack - this allows to process the messages sent to
673// the window even before CreateWindow() returns
674class wxWindowCreationHook
675{
676public:
677 wxWindowCreationHook(wxWindowMSW *winBeingCreated);
678 ~wxWindowCreationHook();
679};
680
681#endif // _WX_WINDOW_H_