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