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changed wxUSE_DRAGIMAG to wxUSE_DRAGIMAGE and use it everywhere now
[wxWidgets.git] / include / wx / os2 / window.h
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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
30class WXDLLEXPORT wxButton;
31
32// ---------------------------------------------------------------------------
33// constants
34// ---------------------------------------------------------------------------
35
36// FIXME does anybody use those? they're unused by wxWindows...
37enum
38{
39 wxKEY_SHIFT = 1,
40 wxKEY_CTRL = 2
41};
42
43// ---------------------------------------------------------------------------
44// wxWindow declaration for OS/2 PM
45// ---------------------------------------------------------------------------
46
47class WXDLLEXPORT wxWindow : public wxWindowBase
48{
49public:
50 wxWindow()
51 {
52 Init();
53 }
54
55 wxWindow( wxWindow* pParent
56 ,wxWindowID vId
57 ,const wxPoint& rPos = wxDefaultPosition
58 ,const wxSize& rSize = wxDefaultSize
59 ,long lStyle = 0
60 ,const wxString& rName = wxPanelNameStr
61 )
62 {
63 Init();
64 Create( pParent
65 ,vId
66 ,rPos
67 ,rSize
68 ,lStyle
69 ,rName
70 );
71 }
72
73 virtual ~wxWindow();
74
75 bool Create( wxWindow* pParent
76 ,wxWindowID vId
77 ,const wxPoint& rPos = wxDefaultPosition
78 ,const wxSize& rSize = wxDefaultSize
79 ,long lStyle = 0
80 ,const wxString& rName = wxPanelNameStr
81 );
82
83 // implement base class pure virtuals
84 virtual void SetTitle(const wxString& rTitle);
85 virtual wxString GetTitle(void) const;
86 virtual void Raise(void);
87 virtual void Lower(void);
88 virtual bool Show(bool bShow = TRUE);
89 virtual bool Enable(bool bEnable = TRUE);
90 virtual void SetFocus(void);
91 virtual bool Reparent(wxWindow* pNewParent);
92 virtual void WarpPointer( int x
93 ,int y
94 );
95 virtual void CaptureMouse(void);
96 virtual void ReleaseMouse(void);
97 virtual void Refresh( bool bEraseBackground = TRUE
98 ,const wxRect* pRect = (const wxRect *)NULL
99 );
100 virtual void Clear(void);
101 virtual bool SetCursor(const wxCursor& rCursor);
102 virtual bool SetFont(const wxFont& rFont);
103 virtual int GetCharHeight(void) const;
104 virtual int GetCharWidth(void) const;
105 virtual void GetTextExtent( const wxString& rString
106 ,int* pX
107 ,int* pY
108 ,int* pDescent = (int *)NULL
109 ,int* pExternalLeading = (int *)NULL
110 ,const wxFont* pTheFont = (const wxFont *)NULL
111 ) const;
112 virtual bool DoPopupMenu( wxMenu* pMenu
113 ,int nX
114 ,int nY
115 );
116
117 virtual void SetScrollbar( int nOrient
118 ,int nPos
119 ,int nThumbVisible
120 ,int nRange
121 ,bool bRefresh = TRUE
122 );
123 virtual void SetScrollPos( int nOrient
124 ,int nPos
125 ,bool bRefresh = TRUE
126 );
127 virtual int GetScrollPos(int nOrient) const;
128 virtual int GetScrollThumb(int nOrient) const;
129 virtual int GetScrollRange(int nOrient) const;
130 virtual void ScrollWindow( int nDx
131 ,int nDy
132 ,const wxRect* pRect = (wxRect *)NULL
133 );
134
135#if wxUSE_DRAG_AND_DROP
136 virtual void SetDropTarget(wxDropTarget* pDropTarget);
137#endif // wxUSE_DRAG_AND_DROP
138
139 // Accept files for dragging
140 virtual void DragAcceptFiles(bool bAccept);
141
142#if WXWIN_COMPATIBILITY
143 // Set/get scroll attributes
144 virtual void SetScrollRange( int nOrient
145 ,int nRange
146 ,bool bRefresh = TRUE
147 );
148 virtual void SetScrollPage( int nOrient
149 ,int nPage
150 ,bool bRefresh = TRUE
151 );
152 virtual int OldGetScrollRange(int nOrient) const;
153 virtual int GetScrollPage(int nOrient) const;
154
155 //
156 // event handlers
157 //
158 // Handle a control command
159 virtual void OnCommand( wxWindow& rWin
160 ,wxCommandEvent& rEvent
161 );
162
163 // Override to define new behaviour for default action (e.g. double
164 // clicking on a listbox)
165 virtual void OnDefaultAction(wxControl* WXUNUSED(pInitiatingItem)) { }
166#endif // WXWIN_COMPATIBILITY
167
168#if wxUSE_CARET && WXWIN_COMPATIBILITY
169 void CreateCaret( int nWidth
170 ,int nHeight
171 );
172 void CreateCaret(const wxBitmap* pBitmap);
173 void DestroyCaret(void);
174 void ShowCaret(bool bShow);
175 void SetCaretPos( int nX
176 ,int nY
177 );
178 void GetCaretPos( int* pX
179 ,int* pY
180 ) const;
181#endif // wxUSE_CARET
182
183 // Native resource loading (implemented in src/os2/nativdlg.cpp)
184 // FIXME: should they really be all virtual?
185 virtual bool LoadNativeDialog( wxWindow* pParent
186 ,wxWindowID& vId
187 );
188 virtual bool LoadNativeDialog( wxWindow* pParent
189 ,const wxString& rName
190 );
191 wxWindow* GetWindowChild1(wxWindowID vId);
192 wxWindow* GetWindowChild(wxWindowID vId);
193
194 // implementation from now on
195 // --------------------------
196
197 // simple accessors
198 // ----------------
199
200 WXHWND GetHWND(void) const { return m_hWnd; }
201 void SetHWND(WXHWND hWnd) { m_hWnd = hWnd; }
202 virtual WXWidget GetHandle(void) const { return GetHWND(); }
203 bool GetUseCtl3D(void) const { return m_bUseCtl3D; }
204 bool GetTransparentBackground(void) const { return m_bBackgroundTransparent; }
205 void SetTransparent(bool bT = TRUE) { m_bBackgroundTransparent = bT; }
206
207 // event handlers
208 // --------------
209 void OnSetFocus(wxFocusEvent& rEvent);
210 void OnEraseBackground(wxEraseEvent& rEvent);
211 void OnIdle(wxIdleEvent& rEvent);
212
213public:
214 // For implementation purposes - sometimes decorations make the client area
215 // smaller
216 virtual wxPoint GetClientAreaOrigin(void) const;
217
218 // Makes an adjustment to the window position (for example, a frame that has
219 // a toolbar that it manages itself).
220 virtual void AdjustForParentClientOrigin( int& rX
221 ,int& rY
222 ,int nSizeFlags
223 );
224
225 // Windows subclassing
226 void SubclassWin(WXHWND hWnd);
227 void UnsubclassWin(void);
228
229 WXFARPROC OS2GetOldWndProc(void) const { return m_fnOldWndProc; }
230 void OS2SetOldWndProc(WXFARPROC fnProc) { m_fnOldWndProc = fnProc; }
231
232 wxWindow* FindItem(long lId) const;
233 wxWindow* FindItemByHWND( WXHWND hWnd
234 ,bool bControlOnly = FALSE
235 ) const;
236
237 // Make a Windows extended style from the given wxWindows window style ?? applicable to OS/2??
238 static WXDWORD MakeExtendedStyle( long lStyle
239 ,bool bEliminateBorders = TRUE
240 );
241 // Determine whether 3D effects are wanted
242 WXDWORD Determine3DEffects( WXDWORD dwDefaultBorderStyle
243 ,bool* pbWant3D
244 ) const;
245
246 // PM only: TRUE if this control is part of the main control
247 virtual bool ContainsHWND(WXHWND WXUNUSED(hWnd)) const { return FALSE; };
248
249 // returns TRUE if the window has been created
250 bool OS2Create( WXHWND hParent
251 ,PSZ zClass
252 ,const wxChar* zTitle
253 ,WXDWORD dwStyle
254 ,long lX
255 ,long lY
256 ,long lWidth
257 ,long lHeight
258 ,WXHWND hOwner
259 ,WXHWND hZOrder
260 ,unsigned long lId
261 ,void* pCtlData = NULL
262 ,void* pPresParams = NULL
263 ,WXDWORD dwExStyle = 0L
264 );
265 virtual bool OS2Command( WXUINT uParam
266 ,WXWORD nId
267 );
268
269#if WXWIN_COMPATIBILITY
270 wxObject* GetChild(int nNumber) const;
271 virtual void OS2DeviceToLogical( float* pfX
272 ,float* pfY
273 ) const;
274#endif // WXWIN_COMPATIBILITY
275
276 // Create an appropriate wxWindow from a HWND
277 virtual wxWindow* CreateWindowFromHWND( wxWindow* pParent
278 ,WXHWND hWnd
279 );
280
281 // Make sure the window style reflects the HWND style (roughly)
282 virtual void AdoptAttributesFromHWND(void);
283
284 // Setup background and foreground colours correctly
285 virtual void SetupColours(void);
286
287 // ------------------------------------------------------------------------
288 // helpers for message handlers: these perform the same function as the
289 // message crackers from <windowsx.h> - they unpack WPARAM and LPARAM into
290 // the correct parameters
291 // ------------------------------------------------------------------------
292
293 void UnpackCommand( WXWPARAM wParam
294 ,WXLPARAM lParam,
295 WXWORD* pId
296 ,WXHWND* pHwnd
297 ,WXWORD* pCmd
298 );
299 void UnpackActivate( WXWPARAM wParam
300 ,WXLPARAM lParam
301 ,WXWORD* pState
302 ,WXHWND* pHwnd
303 );
304 void UnpackScroll( WXWPARAM wParam
305 ,WXLPARAM lParam
306 ,WXWORD* pCode
307 ,WXWORD* pPos
308 ,WXHWND* pHwnd
309 );
310 void UnpackMenuSelect( WXWPARAM wParam
311 ,WXLPARAM lParam
312 ,WXWORD* pTtem
313 ,WXWORD* pFlags
314 ,WXHMENU* pHmenu
315 );
316
317 // ------------------------------------------------------------------------
318 // internal handlers for OS2 messages: all handlers return a boolen value:
319 // TRUE means that the handler processed the event and FALSE that it didn't
320 // ------------------------------------------------------------------------
321
322 // there are several cases where we have virtual functions for PM
323 // message processing: this is because these messages often require to be
324 // processed in a different manner in the derived classes. For all other
325 // messages, however, we do *not* have corresponding OS2OnXXX() function
326 // and if the derived class wants to process them, it should override
327 // OS2WindowProc() directly.
328
329 // scroll event (both horizontal and vertical)
330 virtual bool OS2OnScroll( int nOrientation
331 ,WXWORD nSBCode
332 ,WXWORD pos
333 ,WXHWND control
334 );
335
336 // owner-drawn controls need to process these messages
337 virtual bool OS2OnDrawItem( int nId
338 ,WXDRAWITEMSTRUCT* pItem
339 );
340 virtual bool OS2OnMeasureItem( int nId
341 ,WXMEASUREITEMSTRUCT* pItem
342 );
343
344 // the rest are not virtual
345 bool HandleCreate( WXLPCREATESTRUCT vCs
346 ,bool* pMayCreate
347 );
348 bool HandleInitDialog(WXHWND hWndFocus);
349 bool HandleDestroy(void);
350 bool HandlePaint(void);
351 bool HandleEraseBkgnd(WXHDC vDC);
352 bool HandleMinimize(void);
353 bool HandleMaximize(void);
354 bool HandleSize( int nX
355 ,int nY
356 ,WXUINT uFlag
357 );
358 bool HandleGetMinMaxInfo(PSWP pMmInfo);
359 bool HandleShow( bool bShow
360 ,int nStatus
361 );
362 bool HandleActivate( int nFlag
363 ,WXHWND hActivate
364 );
365 bool HandleCommand( WXWORD nId
366 ,WXWORD nCmd
367 ,WXHWND hControl
368 );
369 bool HandleSysCommand( WXWPARAM wParam
370 ,WXLPARAM lParam
371 );
372 bool HandleWindowParams( PWNDPARAMS pParams
373 ,WXLPARAM lParam
374 );
375 bool HandlePaletteChanged();
376 bool HandlePresParamChanged(WXWPARAM wParam);
377 bool HandleSysColorChange(void);
378 bool HandleCtlColor(WXHBRUSH* hBrush);
379 bool HandleSetFocus(WXHWND hWnd);
380 bool HandleKillFocus(WXHWND hWnd);
381 bool HandleEndDrag(WXWPARAM wParam);
382 bool HandleMouseEvent( WXUINT uMsg
383 ,int nX
384 ,int nY
385 ,WXUINT uFlags
386 );
387 bool HandleMouseMove( int nX
388 ,int nY
389 ,WXUINT uFlags
390 );
391 bool HandleChar( WXWORD wParam
392 ,WXLPARAM lParam
393 ,bool bIsASCII = FALSE
394 );
395 bool HandleKeyDown( WXWORD wParam
396 ,WXLPARAM lParam
397 );
398 bool HandleKeyUp( WXWORD wParam
399 ,WXLPARAM lParam
400 );
401 bool HandleQueryDragIcon(WXHICON* phIcon);
402 bool HandleSetCursor( USHORT vId
403 ,WXHWND hWnd
404 );
405
406 // Window procedure
407 virtual MRESULT OS2WindowProc( WXUINT uMsg
408 ,WXWPARAM wParam
409 ,WXLPARAM lParam
410 );
411
412 // Calls an appropriate default window procedure
413 virtual MRESULT OS2DefWindowProc( WXUINT uMsg
414 ,WXWPARAM wParam
415 ,WXLPARAM lParam
416 );
417 virtual bool OS2ProcessMessage(WXMSG* pMsg);
418 virtual bool OS2TranslateMessage(WXMSG* pMsg);
419 virtual void OS2DestroyWindow(void);
420
421 // Detach "Window" menu from menu bar so it doesn't get deleted
422 void OS2DetachWindowMenu(void);
423
424 // this function should return the brush to paint the window background
425 // with or 0 for the default brush
426 virtual WXHBRUSH OnCtlColor( WXHDC hDC
427 ,WXHWND hWnd
428 ,WXUINT uCtlColor
429 ,WXUINT uMessage
430 ,WXWPARAM wParam
431 ,WXLPARAM lParam
432 );
433
434#if WXWIN_COMPATIBILITY
435 void SetShowing(bool bShow) { (void)Show(show); }
436 bool IsUserEnabled(void) const { return IsEnabled(); }
437#endif // WXWIN_COMPATIBILITY
438
439 // Responds to colour changes: passes event on to children.
440 void OnSysColourChanged(wxSysColourChangedEvent& rEvent);
441
442 // initialize various fields of wxMouseEvent (common part of OS2OnMouseXXX)
443 void InitMouseEvent( wxMouseEvent& rEvent
444 ,int nX
445 ,int nY
446 ,WXUINT uFlags
447 );
448
449protected:
450 // PM can't create some MSW styles natively but can perform these after
451 // creation by sending messages
452 typedef enum extra_flags { kFrameToolWindow = 0x0001
453 ,kVertCaption = 0x0002
454 ,kHorzCaption = 0x0004
455 } EExtraFlags;
456 // Some internal sizeing id's to make it easy for event handlers
457 typedef enum size_types { kSizeNormal
458 ,kSizeMax
459 ,kSizeMin
460 } ESizeTypes;
461 // the window handle
462 WXHWND m_hWnd;
463
464 // the old window proc (we subclass all windows)
465 WXFARPROC m_fnOldWndProc;
466
467 // additional (OS2 specific) flags
468 bool m_bUseCtl3D:1; // Using CTL3D for this control
469 bool m_bBackgroundTransparent:1;
470 bool m_bMouseInWindow:1;
471 bool m_bDoubleClickAllowed:1;
472 bool m_bWinCaptured:1;
473 WXDWORD m_dwExStyle;
474
475 // the size of one page for scrolling
476 int m_nXThumbSize;
477 int m_nYThumbSize;
478
479#if wxUSE_MOUSEEVENT_HACK
480 // the coordinates of the last mouse event and the type of it
481 long m_lLastMouseX,
482 long m_lLastMouseY;
483 int m_nLastMouseEvent;
484#endif // wxUSE_MOUSEEVENT_HACK
485
486 WXHMENU m_hMenu; // Menu, if any
487 unsigned long m_ulMenubarId; // it's Id, if any
488
489 // the return value of WM_GETDLGCODE handler
490 long m_lDlgCode;
491
492 // implement the base class pure virtuals
493 virtual void DoClientToScreen( int* pX
494 ,int* pY
495 ) const;
496 virtual void DoScreenToClient( int* pX
497 ,int* pY
498 ) const;
499 virtual void DoGetPosition( int* pX
500 ,int* pY
501 ) const;
502 virtual void DoGetSize( int* pWidth
503 ,int* pHeight
504 ) const;
505 virtual void DoGetClientSize( int* pWidth
506 ,int* pHeight
507 ) const;
508 virtual void DoSetSize( int nX
509 ,int nY
510 ,int nWidth
511 ,int nHeight
512 ,int nSizeFlags = wxSIZE_AUTO
513 );
514 virtual void DoSetClientSize( int nWidth
515 ,int nHeight
516 );
517
518 // move the window to the specified location and resize it: this is called
519 // from both DoSetSize() and DoSetClientSize() and would usually just call
520 // ::WinSetWindowPos() except for composite controls which will want to arrange
521 // themselves inside the given rectangle
522 virtual void DoMoveWindow( int nX
523 ,int nY
524 ,int nWidth
525 ,int nHeight
526 );
527
528#if wxUSE_TOOLTIPS
529 virtual void DoSetToolTip(wxToolTip* pTip);
530#endif // wxUSE_TOOLTIPS
531
532private:
533 // common part of all ctors
534 void Init(void);
535
536 // the (non-virtual) handlers for the events
537 bool HandleMove( int nX
538 ,int nY
539 );
540 bool HandleJoystickEvent( WXUINT uMsg
541 ,int pX
542 ,int pY
543 ,WXUINT uFlags
544 );
545
546 bool HandleNotify( int nIdCtrl
547 ,WXLPARAM lParam
548 ,WXLPARAM* pResult
549 );
550 // the helper functions used by HandleChar/KeyXXX methods
551 wxKeyEvent CreateKeyEvent(wxEventType evType, int id, WXLPARAM lp) const;
552
553 DECLARE_DYNAMIC_CLASS(wxWindow);
554 DECLARE_NO_COPY_CLASS(wxWindow);
555 DECLARE_EVENT_TABLE()
556private:
557 HWND m_hWndScrollBarHorz;
558 HWND m_hWndScrollBarVert;
559
560 // Virtual function hiding supression
561 inline virtual bool Reparent(wxWindowBase* pNewParent)
562 { return(wxWindowBase::Reparent(pNewParent));};
563}; // end of wxWindow
564
565// ---------------------------------------------------------------------------
566// global functions
567// ---------------------------------------------------------------------------
568
569// kbd code translation
570WXDLLEXPORT int wxCharCodeOS2ToWX(int nKeySym);
571WXDLLEXPORT int wxCharCodeWXToOS2( int nId
572 ,bool* pbIsVirtual
573 );
574#endif
575 // _WX_WINDOW_H_