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[wxWidgets.git] / include / wx / os2 / window.h
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: 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 WXDLLEXPORT wxButton;
38
39 // ---------------------------------------------------------------------------
40 // constants
41 // ---------------------------------------------------------------------------
42
43 #if WXWIN_COMPATIBILITY_2_4
44 // they're unused by wxWidgets...
45 enum
46 {
47 wxKEY_SHIFT = 1,
48 wxKEY_CTRL = 2
49 };
50 #endif
51
52 // ---------------------------------------------------------------------------
53 // wxWindow declaration for OS/2 PM
54 // ---------------------------------------------------------------------------
55
56 class WXDLLEXPORT wxWindowOS2 : public wxWindowBase
57 {
58 public:
59 wxWindowOS2()
60 {
61 Init();
62 }
63
64 wxWindowOS2( wxWindow* pParent
65 ,wxWindowID vId
66 ,const wxPoint& rPos = wxDefaultPosition
67 ,const wxSize& rSize = wxDefaultSize
68 ,long lStyle = 0
69 ,const wxString& rName = wxPanelNameStr
70 )
71 {
72 Init();
73 Create( pParent
74 ,vId
75 ,rPos
76 ,rSize
77 ,lStyle
78 ,rName
79 );
80 }
81
82 virtual ~wxWindowOS2();
83
84 bool Create( wxWindow* pParent
85 ,wxWindowID vId
86 ,const wxPoint& rPos = wxDefaultPosition
87 ,const wxSize& rSize = wxDefaultSize
88 ,long lStyle = 0
89 ,const wxString& rName = wxPanelNameStr
90 );
91
92 // implement base class pure virtuals
93 virtual void SetTitle(const wxString& rTitle);
94 virtual wxString GetTitle(void) const;
95 virtual void Raise(void);
96 virtual void Lower(void);
97 virtual bool Show(bool bShow = true);
98 virtual bool Enable(bool bEnable = true);
99 virtual void SetFocus(void);
100 virtual void SetFocusFromKbd(void);
101 virtual bool Reparent(wxWindow* pNewParent);
102 virtual void WarpPointer( int x
103 ,int y
104 );
105 virtual void Refresh( bool bEraseBackground = true
106 ,const wxRect* pRect = (const wxRect *)NULL
107 );
108 virtual void Freeze(void);
109 virtual void Update(void);
110 virtual void Thaw(void);
111 virtual void SetWindowStyleFlag(long lStyle);
112 virtual bool SetCursor(const wxCursor& rCursor);
113 virtual bool SetFont(const wxFont& rFont);
114 virtual int GetCharHeight(void) const;
115 virtual int GetCharWidth(void) const;
116 virtual void GetTextExtent( const wxString& rString
117 ,int* pX
118 ,int* pY
119 ,int* pDescent = (int *)NULL
120 ,int* pExternalLeading = (int *)NULL
121 ,const wxFont* pTheFont = (const wxFont *)NULL
122 ) const;
123 #if wxUSE_MENUS_NATIVE
124 virtual bool DoPopupMenu( wxMenu* pMenu
125 ,int nX
126 ,int nY
127 );
128 #endif // wxUSE_MENUS_NATIVE
129
130 virtual void SetScrollbar( int nOrient
131 ,int nPos
132 ,int nThumbVisible
133 ,int nRange
134 ,bool bRefresh = true
135 );
136 virtual void SetScrollPos( int nOrient
137 ,int nPos
138 ,bool bRefresh = true
139 );
140 virtual int GetScrollPos(int nOrient) const;
141 virtual int GetScrollThumb(int nOrient) const;
142 virtual int GetScrollRange(int nOrient) const;
143 virtual void ScrollWindow( int nDx
144 ,int nDy
145 ,const wxRect* pRect = (wxRect *)NULL
146 );
147
148 inline HWND GetScrollBarHorz(void) const {return m_hWndScrollBarHorz;}
149 inline HWND GetScrollBarVert(void) const {return m_hWndScrollBarVert;};
150 #if wxUSE_DRAG_AND_DROP
151 virtual void SetDropTarget(wxDropTarget* pDropTarget);
152 #endif // wxUSE_DRAG_AND_DROP
153
154 // Accept files for dragging
155 virtual void DragAcceptFiles(bool bAccept);
156
157 #ifndef __WXUNIVERSAL__
158 // Native resource loading (implemented in src/os2/nativdlg.cpp)
159 // FIXME: should they really be all virtual?
160 virtual bool LoadNativeDialog( wxWindow* pParent
161 ,wxWindowID& vId
162 );
163 virtual bool LoadNativeDialog( wxWindow* pParent
164 ,const wxString& rName
165 );
166 wxWindow* GetWindowChild1(wxWindowID vId);
167 wxWindow* GetWindowChild(wxWindowID vId);
168 #endif //__WXUNIVERSAL__
169
170 // implementation from now on
171 // --------------------------
172
173 // simple accessors
174 // ----------------
175
176 WXHWND GetHWND(void) const { return m_hWnd; }
177 void SetHWND(WXHWND hWnd) { m_hWnd = hWnd; }
178 virtual WXWidget GetHandle(void) const { return GetHWND(); }
179 bool GetUseCtl3D(void) const { return m_bUseCtl3D; }
180 bool GetTransparentBackground(void) const { return m_bBackgroundTransparent; }
181 void SetTransparent(bool bT = true) { m_bBackgroundTransparent = bT; }
182
183 // event handlers
184 // --------------
185 void OnSetFocus(wxFocusEvent& rEvent);
186 void OnEraseBackground(wxEraseEvent& rEvent);
187 void OnIdle(wxIdleEvent& rEvent);
188
189 public:
190
191 // For implementation purposes - sometimes decorations make the client area
192 // smaller
193 virtual wxPoint GetClientAreaOrigin(void) const;
194
195 // Windows subclassing
196 void SubclassWin(WXHWND hWnd);
197 void UnsubclassWin(void);
198
199 WXFARPROC OS2GetOldWndProc(void) const { return m_fnOldWndProc; }
200 void OS2SetOldWndProc(WXFARPROC fnProc) { m_fnOldWndProc = fnProc; }
201 //
202 // Return true if the window is of a standard (i.e. not wxWidgets') class
203 //
204 bool IsOfStandardClass(void) const { return m_fnOldWndProc != NULL; }
205
206 wxWindow* FindItem(long lId) const;
207 wxWindow* FindItemByHWND( WXHWND hWnd
208 ,bool bControlOnly = false
209 ) const;
210
211 // Make a Windows extended style from the given wxWidgets window style ?? applicable to OS/2??
212 static WXDWORD MakeExtendedStyle( long lStyle
213 ,bool bEliminateBorders = true
214 );
215
216 // PM only: true if this control is part of the main control
217 virtual bool ContainsHWND(WXHWND WXUNUSED(hWnd)) const { return false; };
218
219 // translate wxWidgets style flags for this control into the PM style
220 // and optional extended style for the corresponding native control
221 //
222 // this is the function that should be overridden in the derived classes,
223 // but you will mostly use OS2GetCreateWindowFlags() below
224 virtual WXDWORD OS2GetStyle( long lFlags
225 ,WXDWORD* pdwExstyle = NULL
226 ) const;
227
228 // get the MSW window flags corresponding to wxWidgets ones
229 //
230 // the functions returns the flags (WS_XXX) directly and puts the ext
231 // (WS_EX_XXX) flags into the provided pointer if not NULL
232 WXDWORD OS2GetCreateWindowFlags(WXDWORD* pdwExflags = NULL) const
233 { return OS2GetStyle(GetWindowStyle(), pdwExflags); }
234
235
236 // get the HWND to be used as parent of this window with CreateWindow()
237 virtual WXHWND OS2GetParent(void) const;
238
239 // returns true if the window has been created
240 bool OS2Create( PSZ zClass
241 ,const char* zTitle
242 ,WXDWORD dwStyle
243 ,const wxPoint& rPos
244 ,const wxSize& rSize
245 ,void* pCtlData
246 ,WXDWORD dwExStyle
247 ,bool bIsChild
248 );
249 virtual bool OS2Command( WXUINT uParam
250 ,WXWORD nId
251 );
252
253 #ifndef __WXUNIVERSAL__
254 // Create an appropriate wxWindow from a HWND
255 virtual wxWindow* CreateWindowFromHWND( wxWindow* pParent
256 ,WXHWND hWnd
257 );
258
259 // Make sure the window style reflects the HWND style (roughly)
260 virtual void AdoptAttributesFromHWND(void);
261 #endif
262
263 // Setup background and foreground colours correctly
264 virtual void SetupColours(void);
265
266 // ------------------------------------------------------------------------
267 // helpers for message handlers: these perform the same function as the
268 // message crackers from <windowsx.h> - they unpack WPARAM and LPARAM into
269 // the correct parameters
270 // ------------------------------------------------------------------------
271
272 void UnpackCommand( WXWPARAM wParam
273 ,WXLPARAM lParam,
274 WXWORD* pId
275 ,WXHWND* pHwnd
276 ,WXWORD* pCmd
277 );
278 void UnpackActivate( WXWPARAM wParam
279 ,WXLPARAM lParam
280 ,WXWORD* pState
281 ,WXHWND* pHwnd
282 );
283 void UnpackScroll( WXWPARAM wParam
284 ,WXLPARAM lParam
285 ,WXWORD* pCode
286 ,WXWORD* pPos
287 ,WXHWND* pHwnd
288 );
289 void UnpackMenuSelect( WXWPARAM wParam
290 ,WXLPARAM lParam
291 ,WXWORD* pTtem
292 ,WXWORD* pFlags
293 ,WXHMENU* pHmenu
294 );
295
296 // ------------------------------------------------------------------------
297 // internal handlers for OS2 messages: all handlers return a boolen value:
298 // true means that the handler processed the event and false that it didn't
299 // ------------------------------------------------------------------------
300
301 // there are several cases where we have virtual functions for PM
302 // message processing: this is because these messages often require to be
303 // processed in a different manner in the derived classes. For all other
304 // messages, however, we do *not* have corresponding OS2OnXXX() function
305 // and if the derived class wants to process them, it should override
306 // OS2WindowProc() directly.
307
308 // scroll event (both horizontal and vertical)
309 virtual bool OS2OnScroll( int nOrientation
310 ,WXWORD nSBCode
311 ,WXWORD pos
312 ,WXHWND control
313 );
314
315 // owner-drawn controls need to process these messages
316 virtual bool OS2OnDrawItem( int nId
317 ,WXDRAWITEMSTRUCT* pItem
318 );
319 virtual long OS2OnMeasureItem( int nId
320 ,WXMEASUREITEMSTRUCT* pItem
321 );
322
323 virtual void OnPaint(wxPaintEvent& rEvent);
324
325 // the rest are not virtual
326 bool HandleCreate( WXLPCREATESTRUCT vCs
327 ,bool* pMayCreate
328 );
329 bool HandleInitDialog(WXHWND hWndFocus);
330 bool HandleDestroy(void);
331 bool HandlePaint(void);
332 bool HandleEraseBkgnd(WXHDC vDC);
333 bool HandleMinimize(void);
334 bool HandleMaximize(void);
335 bool HandleSize( int nX
336 ,int nY
337 ,WXUINT uFlag
338 );
339 bool HandleGetMinMaxInfo(PSWP pMmInfo);
340 bool HandleShow( bool bShow
341 ,int nStatus
342 );
343 bool HandleActivate( int nFlag
344 ,WXHWND hActivate
345 );
346 bool HandleCommand( WXWORD nId
347 ,WXWORD nCmd
348 ,WXHWND hControl
349 );
350 bool HandleSysCommand( WXWPARAM wParam
351 ,WXLPARAM lParam
352 );
353 bool HandlePaletteChanged(void);
354 bool HandleQueryNewPalette(void);
355 bool HandleSysColorChange(void);
356 bool HandleDisplayChange(void);
357 bool HandleCaptureChanged(WXHWND hBainedCapture);
358
359 bool HandleCtlColor(WXHBRUSH* hBrush);
360 bool HandleSetFocus(WXHWND hWnd);
361 bool HandleKillFocus(WXHWND hWnd);
362 bool HandleEndDrag(WXWPARAM wParam);
363 bool HandleMouseEvent( WXUINT uMsg
364 ,int nX
365 ,int nY
366 ,WXUINT uFlags
367 );
368 bool HandleMouseMove( int nX
369 ,int nY
370 ,WXUINT uFlags
371 );
372 bool HandleChar( WXWPARAM wParam
373 ,WXLPARAM lParam
374 ,bool bIsASCII = false
375 );
376 bool HandleKeyDown( WXWPARAM wParam
377 ,WXLPARAM lParam
378 );
379 bool HandleKeyUp( WXWPARAM wParam
380 ,WXLPARAM lParam
381 );
382 bool HandleQueryDragIcon(WXHICON* phIcon);
383 bool HandleSetCursor( USHORT vId
384 ,WXHWND hWnd
385 );
386
387 bool IsMouseInWindow(void) const;
388 bool OS2GetCreateWindowCoords( const wxPoint& rPos
389 ,const wxSize& rSize
390 ,int& rnX
391 ,int& rnY
392 ,int& rnWidth
393 ,int& rnHeight
394 ) const;
395
396 // Window procedure
397 virtual MRESULT OS2WindowProc( WXUINT uMsg
398 ,WXWPARAM wParam
399 ,WXLPARAM lParam
400 );
401
402 // Calls an appropriate default window procedure
403 virtual MRESULT OS2DefWindowProc( WXUINT uMsg
404 ,WXWPARAM wParam
405 ,WXLPARAM lParam
406 );
407 virtual bool OS2ProcessMessage(WXMSG* pMsg);
408 virtual bool OS2ShouldPreProcessMessage(WXMSG* pMsg);
409 virtual bool OS2TranslateMessage(WXMSG* pMsg);
410 virtual void OS2DestroyWindow(void);
411
412 // this function should return the brush to paint the window background
413 // with or 0 for the default brush
414 virtual WXHBRUSH OnCtlColor( WXHDC hDC
415 ,WXHWND hWnd
416 ,WXUINT uCtlColor
417 ,WXUINT uMessage
418 ,WXWPARAM wParam
419 ,WXLPARAM lParam
420 );
421
422 // Responds to colour changes: passes event on to children.
423 void OnSysColourChanged(wxSysColourChangedEvent& rEvent);
424
425 // initialize various fields of wxMouseEvent (common part of OS2OnMouseXXX)
426 void InitMouseEvent( wxMouseEvent& rEvent
427 ,int nX
428 ,int nY
429 ,WXUINT uFlags
430 );
431
432 void MoveChildren(int nDiff);
433 PSWP GetSwp(void) {return &m_vWinSwp;}
434
435 protected:
436 // PM can't create some MSW styles natively but can perform these after
437 // creation by sending messages
438 typedef enum extra_flags { kFrameToolWindow = 0x0001
439 ,kVertCaption = 0x0002
440 ,kHorzCaption = 0x0004
441 } EExtraFlags;
442 // Some internal sizeing id's to make it easy for event handlers
443 typedef enum size_types { kSizeNormal
444 ,kSizeMax
445 ,kSizeMin
446 } ESizeTypes;
447 // the window handle
448 WXHWND m_hWnd;
449
450 // the old window proc (we subclass all windows)
451 WXFARPROC m_fnOldWndProc;
452
453 // additional (OS2 specific) flags
454 bool m_bUseCtl3D:1; // Using CTL3D for this control
455 bool m_bBackgroundTransparent:1;
456 bool m_bMouseInWindow:1;
457 bool m_bLastKeydownProcessed:1;
458 bool m_bWinCaptured:1;
459 WXDWORD m_dwExStyle;
460
461 // the size of one page for scrolling
462 int m_nXThumbSize;
463 int m_nYThumbSize;
464
465 #if wxUSE_MOUSEEVENT_HACK
466 // the coordinates of the last mouse event and the type of it
467 long m_lLastMouseX,
468 long m_lLastMouseY;
469 int m_nLastMouseEvent;
470 #endif // wxUSE_MOUSEEVENT_HACK
471
472 WXHMENU m_hMenu; // Menu, if any
473 unsigned long m_ulMenubarId; // it's Id, if any
474
475 // the return value of WM_GETDLGCODE handler
476 long m_lDlgCode;
477
478 // implement the base class pure virtuals
479 virtual void DoClientToScreen( int* pX
480 ,int* pY
481 ) const;
482 virtual void DoScreenToClient( int* pX
483 ,int* pY
484 ) const;
485 virtual void DoGetPosition( int* pX
486 ,int* pY
487 ) const;
488 virtual void DoGetSize( int* pWidth
489 ,int* pHeight
490 ) const;
491 virtual void DoGetClientSize( int* pWidth
492 ,int* pHeight
493 ) const;
494 virtual void DoSetSize( int nX
495 ,int nY
496 ,int nWidth
497 ,int nHeight
498 ,int nSizeFlags = wxSIZE_AUTO
499 );
500 virtual void DoSetClientSize( int nWidth
501 ,int nHeight
502 );
503
504 virtual void DoCaptureMouse(void);
505 virtual void DoReleaseMouse(void);
506
507 // move the window to the specified location and resize it: this is called
508 // from both DoSetSize() and DoSetClientSize() and would usually just call
509 // ::WinSetWindowPos() except for composite controls which will want to arrange
510 // themselves inside the given rectangle
511 virtual void DoMoveWindow( int nX
512 ,int nY
513 ,int nWidth
514 ,int nHeight
515 );
516
517 #if wxUSE_TOOLTIPS
518 virtual void DoSetToolTip(wxToolTip* pTip);
519 #endif // wxUSE_TOOLTIPS
520
521 int GetOS2ParentHeight(wxWindowOS2* pParent);
522
523 private:
524 // common part of all ctors
525 void Init(void);
526
527 // the (non-virtual) handlers for the events
528 bool HandleMove( int nX
529 ,int nY
530 );
531 bool HandleJoystickEvent( WXUINT uMsg
532 ,int pX
533 ,int pY
534 ,WXUINT uFlags
535 );
536
537 bool HandleNotify( int nIdCtrl
538 ,WXLPARAM lParam
539 ,WXLPARAM* pResult
540 );
541 // the helper functions used by HandleChar/KeyXXX methods
542 wxKeyEvent CreateKeyEvent( wxEventType evType
543 ,int nId
544 ,WXLPARAM lParam = 0
545 ,WXWPARAM wParam = 0
546 ) const;
547
548 wxWindowList* m_pChildrenDisabled;
549 HWND m_hWndScrollBarHorz;
550 HWND m_hWndScrollBarVert;
551 SWP m_vWinSwp;
552
553 DECLARE_DYNAMIC_CLASS(wxWindowOS2);
554 DECLARE_NO_COPY_CLASS(wxWindowOS2)
555 DECLARE_EVENT_TABLE()
556
557 //
558 // Virtual function hiding supression
559 //
560 inline virtual bool Reparent(wxWindowBase* pNewParent)
561 { return(wxWindowBase::Reparent(pNewParent));}
562 }; // end of wxWindow
563
564 class wxWindowCreationHook
565 {
566 public:
567 wxWindowCreationHook(wxWindow* pWinBeingCreated);
568 ~wxWindowCreationHook();
569 }; // end of CLASS wxWindowCreationHook
570
571 // ---------------------------------------------------------------------------
572 // global functions
573 // ---------------------------------------------------------------------------
574
575 // kbd code translation
576 WXDLLEXPORT int wxCharCodeOS2ToWX(int nKeySym);
577 WXDLLEXPORT int wxCharCodeWXToOS2( int nId
578 ,bool* pbIsVirtual
579 );
580
581 // ----------------------------------------------------------------------------
582 // global objects
583 // ----------------------------------------------------------------------------
584
585 // notice that this hash must be defined after wxWindow declaration as it
586 // needs to "see" its dtor and not just forward declaration
587 #include "wx/hash.h"
588
589 // pseudo-template HWND <-> wxWindow hash table
590 WX_DECLARE_HASH(wxWindowOS2, wxWindowList, wxWinHashTable);
591
592 extern wxWinHashTable *wxWinHandleHash;
593
594 #endif
595 // _WX_WINDOW_H_
wxWidgets (Impactor)