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[wxWidgets.git] / include / wx / os2 / window.h
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: wx/os2/window.h
3 // Purpose: wxWindow class
4 // Author: David Webster
5 // Modified by:
6 // Created: 10/12/99
7 // Copyright: (c) David Webster
8 // Licence: wxWindows licence
9 /////////////////////////////////////////////////////////////////////////////
10
11 #ifndef _WX_WINDOW_H_
12 #define _WX_WINDOW_H_
13
14 #define wxUSE_MOUSEEVENT_HACK 0
15
16 // ---------------------------------------------------------------------------
17 // headers
18 // ---------------------------------------------------------------------------
19 #define INCL_DOS
20 #define INCL_PM
21 #define INCL_GPI
22 #include <os2.h>
23
24
25 // ---------------------------------------------------------------------------
26 // forward declarations
27 // ---------------------------------------------------------------------------
28 #ifndef CW_USEDEFAULT
29 # define CW_USEDEFAULT ((int)0x80000000)
30 #endif
31
32 // ---------------------------------------------------------------------------
33 // forward declarations
34 // ---------------------------------------------------------------------------
35
36 class WXDLLIMPEXP_FWD_CORE wxButton;
37
38 // ---------------------------------------------------------------------------
39 // wxWindow declaration for OS/2 PM
40 // ---------------------------------------------------------------------------
41
42 class WXDLLIMPEXP_CORE wxWindowOS2 : public wxWindowBase
43 {
44 public:
45 wxWindowOS2()
46 {
47 Init();
48 }
49
50 wxWindowOS2( wxWindow* pParent
51 ,wxWindowID vId
52 ,const wxPoint& rPos = wxDefaultPosition
53 ,const wxSize& rSize = wxDefaultSize
54 ,long lStyle = 0
55 ,const wxString& rName = wxPanelNameStr
56 )
57 {
58 Init();
59 Create( pParent
60 ,vId
61 ,rPos
62 ,rSize
63 ,lStyle
64 ,rName
65 );
66 }
67
68 virtual ~wxWindowOS2();
69
70 bool Create( wxWindow* pParent
71 ,wxWindowID vId
72 ,const wxPoint& rPos = wxDefaultPosition
73 ,const wxSize& rSize = wxDefaultSize
74 ,long lStyle = 0
75 ,const wxString& rName = wxPanelNameStr
76 );
77
78 // implement base class pure virtuals
79 virtual void SetLabel(const wxString& label);
80 virtual wxString GetLabel(void) const;
81 virtual void Raise(void);
82 virtual void Lower(void);
83 virtual bool Show(bool bShow = true);
84 virtual void DoEnable(bool bEnable);
85 virtual void SetFocus(void);
86 virtual void SetFocusFromKbd(void);
87 virtual bool Reparent(wxWindowBase* pNewParent);
88 virtual void WarpPointer( int x
89 ,int y
90 );
91 virtual void Refresh( bool bEraseBackground = true
92 ,const wxRect* pRect = (const wxRect *)NULL
93 );
94 virtual void Update(void);
95 virtual void SetWindowStyleFlag(long lStyle);
96 virtual bool SetCursor(const wxCursor& rCursor);
97 virtual bool SetFont(const wxFont& rFont);
98 virtual int GetCharHeight(void) const;
99 virtual int GetCharWidth(void) const;
100
101 virtual void SetScrollbar( int nOrient
102 ,int nPos
103 ,int nThumbVisible
104 ,int nRange
105 ,bool bRefresh = true
106 );
107 virtual void SetScrollPos( int nOrient
108 ,int nPos
109 ,bool bRefresh = true
110 );
111 virtual int GetScrollPos(int nOrient) const;
112 virtual int GetScrollThumb(int nOrient) const;
113 virtual int GetScrollRange(int nOrient) const;
114 virtual void ScrollWindow( int nDx
115 ,int nDy
116 ,const wxRect* pRect = NULL
117 );
118
119 inline HWND GetScrollBarHorz(void) const {return m_hWndScrollBarHorz;}
120 inline HWND GetScrollBarVert(void) const {return m_hWndScrollBarVert;}
121 #if wxUSE_DRAG_AND_DROP
122 virtual void SetDropTarget(wxDropTarget* pDropTarget);
123 #endif // wxUSE_DRAG_AND_DROP
124
125 // Accept files for dragging
126 virtual void DragAcceptFiles(bool bAccept);
127
128 #ifndef __WXUNIVERSAL__
129 // Native resource loading (implemented in src/os2/nativdlg.cpp)
130 // FIXME: should they really be all virtual?
131 virtual bool LoadNativeDialog( wxWindow* pParent
132 ,wxWindowID& vId
133 );
134 virtual bool LoadNativeDialog( wxWindow* pParent
135 ,const wxString& rName
136 );
137 wxWindow* GetWindowChild1(wxWindowID vId);
138 wxWindow* GetWindowChild(wxWindowID vId);
139 #endif //__WXUNIVERSAL__
140
141 // implementation from now on
142 // --------------------------
143
144 // simple accessors
145 // ----------------
146
147 WXHWND GetHWND(void) const { return m_hWnd; }
148 void SetHWND(WXHWND hWnd) { m_hWnd = hWnd; }
149 virtual WXWidget GetHandle(void) const { return GetHWND(); }
150 bool GetUseCtl3D(void) const { return m_bUseCtl3D; }
151 bool GetTransparentBackground(void) const { return m_bBackgroundTransparent; }
152 void SetTransparentBackground(bool bT = true) { m_bBackgroundTransparent = bT; }
153
154 // event handlers
155 // --------------
156 void OnSetFocus(wxFocusEvent& rEvent);
157 void OnEraseBackground(wxEraseEvent& rEvent);
158 void OnIdle(wxIdleEvent& rEvent);
159
160 public:
161
162 // Windows subclassing
163 void SubclassWin(WXHWND hWnd);
164 void UnsubclassWin(void);
165
166 WXFARPROC OS2GetOldWndProc(void) const { return m_fnOldWndProc; }
167 void OS2SetOldWndProc(WXFARPROC fnProc) { m_fnOldWndProc = fnProc; }
168 //
169 // Return true if the window is of a standard (i.e. not wxWidgets') class
170 //
171 bool IsOfStandardClass(void) const { return m_fnOldWndProc != NULL; }
172
173 wxWindow* FindItem(long lId) const;
174 wxWindow* FindItemByHWND( WXHWND hWnd
175 ,bool bControlOnly = false
176 ) const;
177
178 // Make a Windows extended style from the given wxWidgets window style ?? applicable to OS/2??
179 static WXDWORD MakeExtendedStyle( long lStyle
180 ,bool bEliminateBorders = true
181 );
182
183 // PM only: true if this control is part of the main control
184 virtual bool ContainsHWND(WXHWND WXUNUSED(hWnd)) const { return false; }
185
186 // translate wxWidgets style flags for this control into the PM style
187 // and optional extended style for the corresponding native control
188 //
189 // this is the function that should be overridden in the derived classes,
190 // but you will mostly use OS2GetCreateWindowFlags() below
191 virtual WXDWORD OS2GetStyle( long lFlags
192 ,WXDWORD* pdwExstyle = NULL
193 ) const;
194
195 // get the MSW window flags corresponding to wxWidgets ones
196 //
197 // the functions returns the flags (WS_XXX) directly and puts the ext
198 // (WS_EX_XXX) flags into the provided pointer if not NULL
199 WXDWORD OS2GetCreateWindowFlags(WXDWORD* pdwExflags = NULL) const
200 { return OS2GetStyle(GetWindowStyle(), pdwExflags); }
201
202
203 // get the HWND to be used as parent of this window with CreateWindow()
204 virtual WXHWND OS2GetParent(void) const;
205
206 // returns true if the window has been created
207 bool OS2Create( PSZ zClass
208 ,const wxChar* zTitle
209 ,WXDWORD dwStyle
210 ,const wxPoint& rPos
211 ,const wxSize& rSize
212 ,void* pCtlData
213 ,WXDWORD dwExStyle
214 ,bool bIsChild
215 );
216 virtual bool OS2Command( WXUINT uParam
217 ,WXWORD nId
218 );
219
220 #ifndef __WXUNIVERSAL__
221 // Create an appropriate wxWindow from a HWND
222 virtual wxWindow* CreateWindowFromHWND( wxWindow* pParent
223 ,WXHWND hWnd
224 );
225
226 // Make sure the window style reflects the HWND style (roughly)
227 virtual void AdoptAttributesFromHWND(void);
228 #endif
229
230 // Setup background and foreground colours correctly
231 virtual void SetupColours(void);
232
233 // ------------------------------------------------------------------------
234 // helpers for message handlers: these perform the same function as the
235 // message crackers from <windowsx.h> - they unpack WPARAM and LPARAM into
236 // the correct parameters
237 // ------------------------------------------------------------------------
238
239 void UnpackCommand( WXWPARAM wParam
240 ,WXLPARAM lParam,
241 WXWORD* pId
242 ,WXHWND* pHwnd
243 ,WXWORD* pCmd
244 );
245 void UnpackActivate( WXWPARAM wParam
246 ,WXLPARAM lParam
247 ,WXWORD* pState
248 ,WXHWND* pHwnd
249 );
250 void UnpackScroll( WXWPARAM wParam
251 ,WXLPARAM lParam
252 ,WXWORD* pCode
253 ,WXWORD* pPos
254 ,WXHWND* pHwnd
255 );
256 void UnpackMenuSelect( WXWPARAM wParam
257 ,WXLPARAM lParam
258 ,WXWORD* pTtem
259 ,WXWORD* pFlags
260 ,WXHMENU* pHmenu
261 );
262
263 // ------------------------------------------------------------------------
264 // internal handlers for OS2 messages: all handlers return a boolen value:
265 // true means that the handler processed the event and false that it didn't
266 // ------------------------------------------------------------------------
267
268 // there are several cases where we have virtual functions for PM
269 // message processing: this is because these messages often require to be
270 // processed in a different manner in the derived classes. For all other
271 // messages, however, we do *not* have corresponding OS2OnXXX() function
272 // and if the derived class wants to process them, it should override
273 // OS2WindowProc() directly.
274
275 // scroll event (both horizontal and vertical)
276 virtual bool OS2OnScroll( int nOrientation
277 ,WXWORD nSBCode
278 ,WXWORD pos
279 ,WXHWND control
280 );
281
282 // owner-drawn controls need to process these messages
283 virtual bool OS2OnDrawItem( int nId
284 ,WXDRAWITEMSTRUCT* pItem
285 );
286 virtual long OS2OnMeasureItem( int nId
287 ,WXMEASUREITEMSTRUCT* pItem
288 );
289
290 virtual void OnPaint(wxPaintEvent& rEvent);
291
292 // the rest are not virtual
293 bool HandleCreate( WXLPCREATESTRUCT vCs
294 ,bool* pMayCreate
295 );
296 bool HandleInitDialog(WXHWND hWndFocus);
297 bool HandleDestroy(void);
298 bool HandlePaint(void);
299 bool HandleEraseBkgnd(WXHDC vDC);
300 bool HandleMinimize(void);
301 bool HandleMaximize(void);
302 bool HandleSize( int nX
303 ,int nY
304 ,WXUINT uFlag
305 );
306 bool HandleGetMinMaxInfo(PSWP pMmInfo);
307 bool HandleShow( bool bShow
308 ,int nStatus
309 );
310 bool HandleActivate( int nFlag
311 ,WXHWND hActivate
312 );
313 bool HandleCommand( WXWORD nId
314 ,WXWORD nCmd
315 ,WXHWND hControl
316 );
317 bool HandleSysCommand( WXWPARAM wParam
318 ,WXLPARAM lParam
319 );
320 bool HandlePaletteChanged(void);
321 bool HandleQueryNewPalette(void);
322 bool HandleSysColorChange(void);
323 bool HandleDisplayChange(void);
324 bool HandleCaptureChanged(WXHWND hBainedCapture);
325
326 bool HandleCtlColor(WXHBRUSH* hBrush);
327 bool HandleSetFocus(WXHWND hWnd);
328 bool HandleKillFocus(WXHWND hWnd);
329 bool HandleEndDrag(WXWPARAM wParam);
330 bool HandleMouseEvent( WXUINT uMsg
331 ,int nX
332 ,int nY
333 ,WXUINT uFlags
334 );
335 bool HandleMouseMove( int nX
336 ,int nY
337 ,WXUINT uFlags
338 );
339 bool HandleChar( WXWPARAM wParam
340 ,WXLPARAM lParam
341 ,bool bIsASCII = false
342 );
343 bool HandleKeyDown( WXWPARAM wParam
344 ,WXLPARAM lParam
345 );
346 bool HandleKeyUp( WXWPARAM wParam
347 ,WXLPARAM lParam
348 );
349 bool HandleQueryDragIcon(WXHICON* phIcon);
350 bool HandleSetCursor( USHORT vId
351 ,WXHWND hWnd
352 );
353
354 bool IsMouseInWindow(void) const;
355 bool OS2GetCreateWindowCoords( const wxPoint& rPos
356 ,const wxSize& rSize
357 ,int& rnX
358 ,int& rnY
359 ,int& rnWidth
360 ,int& rnHeight
361 ) const;
362
363 // Window procedure
364 virtual MRESULT OS2WindowProc( WXUINT uMsg
365 ,WXWPARAM wParam
366 ,WXLPARAM lParam
367 );
368
369 // Calls an appropriate default window procedure
370 virtual MRESULT OS2DefWindowProc( WXUINT uMsg
371 ,WXWPARAM wParam
372 ,WXLPARAM lParam
373 );
374 virtual bool OS2ProcessMessage(WXMSG* pMsg);
375 virtual bool OS2ShouldPreProcessMessage(WXMSG* pMsg);
376 virtual bool OS2TranslateMessage(WXMSG* pMsg);
377 virtual void OS2DestroyWindow(void);
378
379 // this function should return the brush to paint the window background
380 // with or 0 for the default brush
381 virtual WXHBRUSH OnCtlColor( WXHDC hDC
382 ,WXHWND hWnd
383 ,WXUINT uCtlColor
384 ,WXUINT uMessage
385 ,WXWPARAM wParam
386 ,WXLPARAM lParam
387 );
388
389 // Responds to colour changes: passes event on to children.
390 void OnSysColourChanged(wxSysColourChangedEvent& rEvent);
391
392 // initialize various fields of wxMouseEvent (common part of OS2OnMouseXXX)
393 void InitMouseEvent( wxMouseEvent& rEvent
394 ,int nX
395 ,int nY
396 ,WXUINT uFlags
397 );
398
399 void MoveChildren(int nDiff);
400 PSWP GetSwp(void) {return &m_vWinSwp;}
401
402 protected:
403 virtual void DoFreeze(void);
404 virtual void DoThaw(void);
405
406 // PM can't create some MSW styles natively but can perform these after
407 // creation by sending messages
408 typedef enum extra_flags { kFrameToolWindow = 0x0001
409 ,kVertCaption = 0x0002
410 ,kHorzCaption = 0x0004
411 } EExtraFlags;
412 // Some internal sizeing id's to make it easy for event handlers
413 typedef enum size_types { kSizeNormal
414 ,kSizeMax
415 ,kSizeMin
416 } ESizeTypes;
417 // the window handle
418 WXHWND m_hWnd;
419
420 // the old window proc (we subclass all windows)
421 WXFARPROC m_fnOldWndProc;
422
423 // additional (OS2 specific) flags
424 bool m_bUseCtl3D:1; // Using CTL3D for this control
425 bool m_bBackgroundTransparent:1;
426 bool m_bMouseInWindow:1;
427 bool m_bLastKeydownProcessed:1;
428 bool m_bWinCaptured:1;
429 WXDWORD m_dwExStyle;
430
431 // the size of one page for scrolling
432 int m_nXThumbSize;
433 int m_nYThumbSize;
434
435 #if wxUSE_MOUSEEVENT_HACK
436 // the coordinates of the last mouse event and the type of it
437 long m_lLastMouseX,
438 long m_lLastMouseY;
439 int m_nLastMouseEvent;
440 #endif // wxUSE_MOUSEEVENT_HACK
441
442 WXHMENU m_hMenu; // Menu, if any
443 unsigned long m_ulMenubarId; // it's Id, if any
444
445 // the return value of WM_GETDLGCODE handler
446 long m_lDlgCode;
447
448 // implement the base class pure virtuals
449 virtual void GetTextExtent( const wxString& rString
450 ,int* pX
451 ,int* pY
452 ,int* pDescent = NULL
453 ,int* pExternalLeading = NULL
454 ,const wxFont* pTheFont = NULL
455 ) const;
456 #if wxUSE_MENUS_NATIVE
457 virtual bool DoPopupMenu( wxMenu* pMenu
458 ,int nX
459 ,int nY
460 );
461 #endif // wxUSE_MENUS_NATIVE
462 virtual void DoClientToScreen( int* pX
463 ,int* pY
464 ) const;
465 virtual void DoScreenToClient( int* pX
466 ,int* pY
467 ) const;
468 virtual void DoGetPosition( int* pX
469 ,int* pY
470 ) const;
471 virtual void DoGetSize( int* pWidth
472 ,int* pHeight
473 ) const;
474 virtual void DoGetClientSize( int* pWidth
475 ,int* pHeight
476 ) const;
477 virtual void DoSetSize( int nX
478 ,int nY
479 ,int nWidth
480 ,int nHeight
481 ,int nSizeFlags = wxSIZE_AUTO
482 );
483 virtual void DoSetClientSize( int nWidth
484 ,int nHeight
485 );
486
487 virtual void DoCaptureMouse(void);
488 virtual void DoReleaseMouse(void);
489
490 // move the window to the specified location and resize it: this is called
491 // from both DoSetSize() and DoSetClientSize() and would usually just call
492 // ::WinSetWindowPos() except for composite controls which will want to arrange
493 // themselves inside the given rectangle
494 virtual void DoMoveWindow( int nX
495 ,int nY
496 ,int nWidth
497 ,int nHeight
498 );
499
500 #if wxUSE_TOOLTIPS
501 virtual void DoSetToolTip(wxToolTip* pTip);
502 #endif // wxUSE_TOOLTIPS
503
504 int GetOS2ParentHeight(wxWindowOS2* pParent);
505
506 private:
507 // common part of all ctors
508 void Init(void);
509
510 // the (non-virtual) handlers for the events
511 bool HandleMove( int nX
512 ,int nY
513 );
514 bool HandleJoystickEvent( WXUINT uMsg
515 ,int pX
516 ,int pY
517 ,WXUINT uFlags
518 );
519
520 bool HandleNotify( int nIdCtrl
521 ,WXLPARAM lParam
522 ,WXLPARAM* pResult
523 );
524 // the helper functions used by HandleChar/KeyXXX methods
525 wxKeyEvent CreateKeyEvent( wxEventType evType
526 ,int nId
527 ,WXLPARAM lParam = 0
528 ,WXWPARAM wParam = 0
529 ) const;
530
531 HWND m_hWndScrollBarHorz;
532 HWND m_hWndScrollBarVert;
533 SWP m_vWinSwp;
534
535 DECLARE_DYNAMIC_CLASS(wxWindowOS2);
536 wxDECLARE_NO_COPY_CLASS(wxWindowOS2);
537 DECLARE_EVENT_TABLE()
538 }; // end of wxWindow
539
540 class wxWindowCreationHook
541 {
542 public:
543 wxWindowCreationHook(wxWindow* pWinBeingCreated);
544 ~wxWindowCreationHook();
545 }; // end of CLASS wxWindowCreationHook
546
547 // ---------------------------------------------------------------------------
548 // global functions
549 // ---------------------------------------------------------------------------
550
551 // kbd code translation
552 WXDLLIMPEXP_CORE int wxCharCodeOS2ToWX(int nKeySym);
553 WXDLLIMPEXP_CORE int wxCharCodeWXToOS2( int nId
554 ,bool* pbIsVirtual = NULL
555 );
556
557 // ----------------------------------------------------------------------------
558 // global objects
559 // ----------------------------------------------------------------------------
560
561 // notice that this hash must be defined after wxWindow declaration as it
562 // needs to "see" its dtor and not just forward declaration
563 #include "wx/hash.h"
564
565 // pseudo-template HWND <-> wxWindow hash table
566 WX_DECLARE_HASH(wxWindowOS2, wxWindowList, wxWinHashTable);
567
568 extern wxWinHashTable *wxWinHandleHash;
569
570 #endif // _WX_WINDOW_H_
wxWidgets (Impactor)