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1/////////////////////////////////////////////////////////////////////////////
2// Name: private.h
3// Purpose: Private declarations: as this header is only included by
4// wxWidgets itself, it may contain identifiers which don't start
5// with "wx".
6// Author: Julian Smart
7// Modified by:
8// Created: 01/02/97
9// RCS-ID: $Id$
10// Copyright: (c) Julian Smart
11// Licence: wxWindows licence
12/////////////////////////////////////////////////////////////////////////////
13
14#ifndef _WX_PRIVATE_H_
15#define _WX_PRIVATE_H_
16
17#include "wx/msw/wrapwin.h"
18
19#ifdef __WXMICROWIN__
20 // Extra prototypes and symbols not defined by MicroWindows
21 #include "wx/msw/microwin.h"
22#endif
23
24// Include fixes for MSLU:
25#include "wx/msw/mslu.h"
26
27#include "wx/log.h"
28
29class WXDLLEXPORT wxFont;
30class WXDLLEXPORT wxWindow;
31
32// ---------------------------------------------------------------------------
33// private constants
34// ---------------------------------------------------------------------------
35
36// 260 was taken from windef.h
37#ifndef MAX_PATH
38 #define MAX_PATH 260
39#endif
40
41// ---------------------------------------------------------------------------
42// standard icons from the resources
43// ---------------------------------------------------------------------------
44
45#if wxUSE_GUI
46
47extern WXDLLEXPORT_DATA(HICON) wxSTD_FRAME_ICON;
48extern WXDLLEXPORT_DATA(HICON) wxSTD_MDIPARENTFRAME_ICON;
49extern WXDLLEXPORT_DATA(HICON) wxSTD_MDICHILDFRAME_ICON;
50extern WXDLLEXPORT_DATA(HICON) wxDEFAULT_FRAME_ICON;
51extern WXDLLEXPORT_DATA(HICON) wxDEFAULT_MDIPARENTFRAME_ICON;
52extern WXDLLEXPORT_DATA(HICON) wxDEFAULT_MDICHILDFRAME_ICON;
53extern WXDLLEXPORT_DATA(HFONT) wxSTATUS_LINE_FONT;
54
55#endif // wxUSE_GUI
56
57// ---------------------------------------------------------------------------
58// global data
59// ---------------------------------------------------------------------------
60
61extern WXDLLIMPEXP_DATA_BASE(HINSTANCE) wxhInstance;
62
63// ---------------------------------------------------------------------------
64// define things missing from some compilers' headers
65// ---------------------------------------------------------------------------
66
67#if defined(__WXWINCE__) || (defined(__GNUWIN32__) && !wxUSE_NORLANDER_HEADERS)
68#ifndef ZeroMemory
69 inline void ZeroMemory(void *buf, size_t len) { memset(buf, 0, len); }
70#endif
71#endif // old mingw32
72
73// this defines a CASTWNDPROC macro which casts a pointer to the type of a
74// window proc
75#if defined(STRICT) || defined(__GNUC__)
76 typedef WNDPROC WndProcCast;
77#else
78 typedef FARPROC WndProcCast;
79#endif
80
81
82#define CASTWNDPROC (WndProcCast)
83
84
85
86// ---------------------------------------------------------------------------
87// some stuff for old Windows versions (FIXME: what does it do here??)
88// ---------------------------------------------------------------------------
89
90#if !defined(APIENTRY) // NT defines APIENTRY, 3.x not
91 #define APIENTRY FAR PASCAL
92#endif
93
94#ifdef __WIN32__
95 #define _EXPORT
96#else
97 #define _EXPORT _export
98#endif
99
100#ifndef __WIN32__
101 typedef signed short int SHORT;
102#endif
103
104#if !defined(__WIN32__) // 3.x uses FARPROC for dialogs
105#ifndef STRICT
106 #define DLGPROC FARPROC
107#endif
108#endif
109
110#if wxUSE_PENWIN
111 WXDLLEXPORT void wxRegisterPenWin();
112 WXDLLEXPORT void wxCleanUpPenWin();
113 WXDLLEXPORT void wxEnablePenAppHooks (bool hook);
114#endif // wxUSE_PENWIN
115
116#if wxUSE_ITSY_BITSY
117 #define IBS_HORZCAPTION 0x4000L
118 #define IBS_VERTCAPTION 0x8000L
119
120 UINT WINAPI ibGetCaptionSize( HWND hWnd ) ;
121 UINT WINAPI ibSetCaptionSize( HWND hWnd, UINT nSize ) ;
122 LRESULT WINAPI ibDefWindowProc( HWND hWnd, UINT uiMsg, WPARAM wParam, LPARAM lParam ) ;
123 VOID WINAPI ibAdjustWindowRect( HWND hWnd, LPRECT lprc ) ;
124#endif // wxUSE_ITSY_BITSY
125
126/*
127 * Decide what window classes we're going to use
128 * for this combination of CTl3D/FAFA settings
129 */
130
131#define STATIC_CLASS wxT("STATIC")
132#define STATIC_FLAGS (SS_LEFT|WS_CHILD|WS_VISIBLE)
133#define CHECK_CLASS wxT("BUTTON")
134#define CHECK_FLAGS (BS_AUTOCHECKBOX|WS_TABSTOP|WS_CHILD)
135#define CHECK_IS_FAFA FALSE
136#define RADIO_CLASS wxT("BUTTON")
137#define RADIO_FLAGS (BS_AUTORADIOBUTTON|WS_CHILD|WS_VISIBLE)
138#define RADIO_SIZE 20
139#define RADIO_IS_FAFA FALSE
140#define PURE_WINDOWS
141#define GROUP_CLASS wxT("BUTTON")
142#define GROUP_FLAGS (BS_GROUPBOX|WS_CHILD|WS_VISIBLE)
143
144/*
145#define BITCHECK_FLAGS (FB_BITMAP|FC_BUTTONDRAW|FC_DEFAULT|WS_VISIBLE)
146#define BITRADIO_FLAGS (FC_BUTTONDRAW|FB_BITMAP|FC_RADIO|WS_CHILD|WS_VISIBLE)
147*/
148
149// ---------------------------------------------------------------------------
150// misc macros
151// ---------------------------------------------------------------------------
152
153#define MEANING_CHARACTER '0'
154#define DEFAULT_ITEM_WIDTH 100
155#define DEFAULT_ITEM_HEIGHT 80
156
157// Scale font to get edit control height
158//#define EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy) (3*(cy)/2)
159#define EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy) (cy+8)
160
161// Generic subclass proc, for panel item moving/sizing and intercept
162// EDIT control VK_RETURN messages
163extern LONG APIENTRY _EXPORT
164 wxSubclassedGenericControlProc(WXHWND hWnd, WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
165
166// ---------------------------------------------------------------------------
167// useful macros and functions
168// ---------------------------------------------------------------------------
169
170// a wrapper macro for ZeroMemory()
171#if defined(__WIN32__) && !defined(__WXMICROWIN__)
172#define wxZeroMemory(obj) ::ZeroMemory(&obj, sizeof(obj))
173#else
174#define wxZeroMemory(obj) memset((void*) & obj, 0, sizeof(obj))
175#endif
176
177// This one is a macro so that it can be tested with #ifdef, it will be
178// undefined if it cannot be implemented for a given compiler.
179// Vc++, bcc, dmc, ow, mingw, codewarrior (and rsxnt) have _get_osfhandle.
180// Cygwin has get_osfhandle. Others are currently unknown, e.g. Salford,
181// Intel, Visual Age.
182#if defined(__WXWINCE__)
183 #define wxGetOSFHandle(fd) ((HANDLE)fd)
184#elif defined(__CYGWIN__)
185 #define wxGetOSFHandle(fd) ((HANDLE)get_osfhandle(fd))
186#elif defined(__VISUALC__) \
187 || defined(__BORLANDC__) \
188 || defined(__DMC__) \
189 || defined(__WATCOMC__) \
190 || (defined(__GNUWIN32__) || defined(__MINGW32__)) \
191 || (defined(__MWERKS__) && defined(__MSL__))
192 #define wxGetOSFHandle(fd) ((HANDLE)_get_osfhandle(fd))
193#endif
194
195#if wxUSE_GUI
196
197#include <wx/gdicmn.h>
198#include <wx/colour.h>
199
200// make conversion from wxColour and COLORREF a bit less painful
201inline COLORREF wxColourToRGB(const wxColour& c)
202{
203 return RGB(c.Red(), c.Green(), c.Blue());
204}
205
206inline COLORREF wxColourToPalRGB(const wxColour& c)
207{
208 return PALETTERGB(c.Red(), c.Green(), c.Blue());
209}
210
211inline wxColour wxRGBToColour(COLORREF rgb)
212{
213 return wxColour(GetRValue(rgb), GetGValue(rgb), GetBValue(rgb));
214}
215
216inline void wxRGBToColour(wxColour& c, COLORREF rgb)
217{
218 c.Set(GetRValue(rgb), GetGValue(rgb), GetBValue(rgb));
219}
220
221// get the standard colour map for some standard colours - see comment in this
222// function to understand why is it needed and when should it be used
223//
224// it returns a wxCOLORMAP (can't use COLORMAP itself here as comctl32.dll
225// might be not included/available) array of size wxSTD_COLOUR_MAX
226//
227// NB: if you change these colours, update wxBITMAP_STD_COLOURS in the
228// resources as well: it must have the same number of pixels!
229enum wxSTD_COLOUR
230{
231 wxSTD_COL_BTNTEXT,
232 wxSTD_COL_BTNSHADOW,
233 wxSTD_COL_BTNFACE,
234 wxSTD_COL_BTNHIGHLIGHT,
235 wxSTD_COL_MAX
236};
237
238struct WXDLLEXPORT wxCOLORMAP
239{
240 COLORREF from, to;
241};
242
243// this function is implemented in src/msw/window.cpp
244extern wxCOLORMAP *wxGetStdColourMap();
245
246// create a wxRect from Windows RECT
247inline wxRect wxRectFromRECT(const RECT& r)
248{
249 return wxRect(r.left, r.top, r.right - r.left, r.bottom - r.top);
250}
251
252// copy Windows RECT to our wxRect
253inline void wxCopyRECTToRect(const RECT& r, wxRect& rect)
254{
255 rect = wxRectFromRECT(r);
256}
257
258// translations between HIMETRIC units (which OLE likes) and pixels (which are
259// liked by all the others) - implemented in msw/utilsexc.cpp
260extern void HIMETRICToPixel(LONG *x, LONG *y);
261extern void PixelToHIMETRIC(LONG *x, LONG *y);
262
263// Windows convention of the mask is opposed to the wxWidgets one, so we need
264// to invert the mask each time we pass one/get one to/from Windows
265extern HBITMAP wxInvertMask(HBITMAP hbmpMask, int w = 0, int h = 0);
266
267// Creates an icon or cursor depending from a bitmap
268//
269// The bitmap must be valid and it should have a mask. If it doesn't, a default
270// mask is created using light grey as the transparent colour.
271extern HICON wxBitmapToHICON(const wxBitmap& bmp);
272
273// Same requirments as above apply and the bitmap must also have the correct
274// size.
275extern
276HCURSOR wxBitmapToHCURSOR(const wxBitmap& bmp, int hotSpotX, int hotSpotY);
277
278// get (x, y) from DWORD - notice that HI/LOWORD can *not* be used because they
279// will fail on system with multiple monitors where the coords may be negative
280//
281// these macros are standard now (Win98) but some older headers don't have them
282#ifndef GET_X_LPARAM
283 #define GET_X_LPARAM(lp) ((int)(short)LOWORD(lp))
284 #define GET_Y_LPARAM(lp) ((int)(short)HIWORD(lp))
285#endif // GET_X_LPARAM
286
287// get the current state of SHIFT/CTRL keys
288inline bool wxIsShiftDown()
289{
290// return (::GetKeyState(VK_SHIFT) & 0x100) != 0;
291 // Returns different negative values on WinME and WinNT,
292 // so simply test for negative value.
293 return ::GetKeyState(VK_SHIFT) < 0;
294}
295
296inline bool wxIsCtrlDown()
297{
298// return (::GetKeyState(VK_CONTROL) & 0x100) != 0;
299 // Returns different negative values on WinME and WinNT,
300 // so simply test for negative value.
301 return ::GetKeyState(VK_CONTROL) < 0;
302}
303
304// wrapper around GetWindowRect() and GetClientRect() APIs doing error checking
305// for Win32
306inline RECT wxGetWindowRect(HWND hwnd)
307{
308 RECT rect;
309
310 if ( !::GetWindowRect(hwnd, &rect) )
311 {
312 wxLogLastError(_T("GetWindowRect"));
313 }
314
315 return rect;
316}
317
318inline RECT wxGetClientRect(HWND hwnd)
319{
320 RECT rect;
321
322 if ( !::GetClientRect(hwnd, &rect) )
323 {
324 wxLogLastError(_T("GetClientRect"));
325 }
326
327 return rect;
328}
329
330// ---------------------------------------------------------------------------
331// small helper classes
332// ---------------------------------------------------------------------------
333
334// a template to make initializing Windows styructs less painful: it zeroes all
335// the struct fields and also sets cbSize member to the correct value (and so
336// can be only used with structures which have this member...)
337template <class T>
338struct WinStruct : public T
339{
340 WinStruct()
341 {
342 ::ZeroMemory(this, sizeof(T));
343
344 // explicit qualification is required here for this to be valid C++
345 this->cbSize = sizeof(T);
346 }
347};
348
349
350// create an instance of this class and use it as the HDC for screen, will
351// automatically release the DC going out of scope
352class ScreenHDC
353{
354public:
355 ScreenHDC() { m_hdc = ::GetDC(NULL); }
356 ~ScreenHDC() { ::ReleaseDC(NULL, m_hdc); }
357
358 operator HDC() const { return m_hdc; }
359
360private:
361 HDC m_hdc;
362
363 DECLARE_NO_COPY_CLASS(ScreenHDC)
364};
365
366// the same as ScreenHDC but for window DCs
367class WindowHDC
368{
369public:
370 WindowHDC(HWND hwnd) { m_hdc = ::GetDC(m_hwnd = hwnd); }
371 ~WindowHDC() { ::ReleaseDC(m_hwnd, m_hdc); }
372
373 operator HDC() const { return m_hdc; }
374
375private:
376 HWND m_hwnd;
377 HDC m_hdc;
378
379 DECLARE_NO_COPY_CLASS(WindowHDC)
380};
381
382// the same as ScreenHDC but for memory DCs: creates the HDC compatible with
383// the given one (screen by default) in ctor and destroys it in dtor
384class MemoryHDC
385{
386public:
387 MemoryHDC(HDC hdc = 0) { m_hdc = ::CreateCompatibleDC(hdc); }
388 ~MemoryHDC() { ::DeleteDC(m_hdc); }
389
390 operator HDC() const { return m_hdc; }
391
392private:
393 HDC m_hdc;
394
395 DECLARE_NO_COPY_CLASS(MemoryHDC)
396};
397
398// a class which selects a GDI object into a DC in its ctor and deselects in
399// dtor
400class SelectInHDC
401{
402public:
403 SelectInHDC(HDC hdc, HGDIOBJ hgdiobj) : m_hdc(hdc)
404 { m_hgdiobj = ::SelectObject(hdc, hgdiobj); }
405
406 ~SelectInHDC() { ::SelectObject(m_hdc, m_hgdiobj); }
407
408 // return true if the object was successfully selected
409 operator bool() const { return m_hgdiobj != 0; }
410
411private:
412 HDC m_hdc;
413 HGDIOBJ m_hgdiobj;
414
415 DECLARE_NO_COPY_CLASS(SelectInHDC)
416};
417
418// a class for temporary bitmaps
419class CompatibleBitmap
420{
421public:
422 CompatibleBitmap(HDC hdc, int w, int h)
423 {
424 m_hbmp = ::CreateCompatibleBitmap(hdc, w, h);
425 }
426
427 ~CompatibleBitmap()
428 {
429 if ( m_hbmp )
430 ::DeleteObject(m_hbmp);
431 }
432
433 operator HBITMAP() const { return m_hbmp; }
434
435private:
436 HBITMAP m_hbmp;
437};
438
439// when working with global pointers (which is unfortunately still necessary
440// sometimes, e.g. for clipboard) it is important to unlock them exactly as
441// many times as we lock them which just asks for using a "smart lock" class
442class GlobalPtr
443{
444public:
445 GlobalPtr(HGLOBAL hGlobal) : m_hGlobal(hGlobal)
446 {
447 m_ptr = GlobalLock(hGlobal);
448 if ( !m_ptr )
449 {
450 wxLogLastError(_T("GlobalLock"));
451 }
452 }
453
454 ~GlobalPtr()
455 {
456 if ( !GlobalUnlock(m_hGlobal) )
457 {
458#ifdef __WXDEBUG__
459 // this might happen simply because the block became unlocked
460 DWORD dwLastError = ::GetLastError();
461 if ( dwLastError != NO_ERROR )
462 {
463 wxLogApiError(_T("GlobalUnlock"), dwLastError);
464 }
465#endif // __WXDEBUG__
466 }
467 }
468
469 operator void *() const { return m_ptr; }
470
471private:
472 HGLOBAL m_hGlobal;
473 void *m_ptr;
474
475 DECLARE_NO_COPY_CLASS(GlobalPtr)
476};
477
478// register the class when it is first needed and unregister it in dtor
479class ClassRegistrar
480{
481public:
482 // ctor doesn't register the class, call Initialize() for this
483 ClassRegistrar() { m_registered = -1; }
484
485 // return true if the class is already registered
486 bool IsInitialized() const { return m_registered != -1; }
487
488 // return true if the class had been already registered
489 bool IsRegistered() const { return m_registered == 1; }
490
491 // try to register the class if not done yet, return true on success
492 bool Register(const WNDCLASS& wc)
493 {
494 // we should only be called if we hadn't been initialized yet
495 wxASSERT_MSG( m_registered == -1,
496 _T("calling ClassRegistrar::Register() twice?") );
497
498 m_registered = ::RegisterClass(&wc) ? 1 : 0;
499 if ( !IsRegistered() )
500 {
501 wxLogLastError(_T("RegisterClassEx()"));
502 }
503 else
504 {
505 m_clsname = wc.lpszClassName;
506 }
507
508 return m_registered == 1;
509 }
510
511 // get the name of the registered class (returns empty string if not
512 // registered)
513 const wxString& GetName() const { return m_clsname; }
514
515 // unregister the class if it had been registered
516 ~ClassRegistrar()
517 {
518 if ( IsRegistered() )
519 {
520 if ( !::UnregisterClass(m_clsname, wxhInstance) )
521 {
522 wxLogLastError(_T("UnregisterClass"));
523 }
524 }
525 }
526
527private:
528 // initial value is -1 which means that we hadn't tried registering the
529 // class yet, it becomes true or false (1 or 0) when Initialize() is called
530 int m_registered;
531
532 // the name of the class, only non empty if it had been registered
533 wxString m_clsname;
534};
535
536// ---------------------------------------------------------------------------
537// macros to make casting between WXFOO and FOO a bit easier: the GetFoo()
538// returns Foo cast to the Windows type for oruselves, while GetFooOf() takes
539// an argument which should be a pointer or reference to the object of the
540// corresponding class (this depends on the macro)
541// ---------------------------------------------------------------------------
542
543#define GetHwnd() ((HWND)GetHWND())
544#define GetHwndOf(win) ((HWND)((win)->GetHWND()))
545// old name
546#define GetWinHwnd GetHwndOf
547
548#define GetHdc() ((HDC)GetHDC())
549#define GetHdcOf(dc) ((HDC)(dc).GetHDC())
550
551#define GetHbitmap() ((HBITMAP)GetHBITMAP())
552#define GetHbitmapOf(bmp) ((HBITMAP)(bmp).GetHBITMAP())
553
554#define GetHicon() ((HICON)GetHICON())
555#define GetHiconOf(icon) ((HICON)(icon).GetHICON())
556
557#define GetHaccel() ((HACCEL)GetHACCEL())
558#define GetHaccelOf(table) ((HACCEL)((table).GetHACCEL()))
559
560#define GetHbrush() ((HPEN)GetResourceHandle())
561#define GetHbrushOf(brush) ((HPEN)(brush).GetResourceHandle())
562
563#define GetHmenu() ((HMENU)GetHMenu())
564#define GetHmenuOf(menu) ((HMENU)menu->GetHMenu())
565
566#define GetHcursor() ((HCURSOR)GetHCURSOR())
567#define GetHcursorOf(cursor) ((HCURSOR)(cursor).GetHCURSOR())
568
569#define GetHfont() ((HFONT)GetHFONT())
570#define GetHfontOf(font) ((HFONT)(font).GetHFONT())
571
572#define GetHpalette() ((HPALETTE)GetHPALETTE())
573#define GetHpaletteOf(pal) ((HPALETTE)(pal).GetHPALETTE())
574
575#define GetHpen() ((HPEN)GetResourceHandle())
576#define GetHpenOf(pen) ((HPEN)(pen).GetResourceHandle())
577
578#define GetHrgn() ((HRGN)GetHRGN())
579#define GetHrgnOf(rgn) ((HRGN)(rgn).GetHRGN())
580
581#endif // wxUSE_GUI
582
583// ---------------------------------------------------------------------------
584// global functions
585// ---------------------------------------------------------------------------
586
587extern "C"
588{
589 WXDLLIMPEXP_BASE HINSTANCE wxGetInstance();
590}
591
592WXDLLIMPEXP_BASE void wxSetInstance(HINSTANCE hInst);
593
594// return the full path of the given module
595inline wxString wxGetFullModuleName(HMODULE hmod)
596{
597 wxString fullname;
598 if ( !::GetModuleFileName
599 (
600 hmod,
601 wxStringBuffer(fullname, MAX_PATH),
602 MAX_PATH
603 ) )
604 {
605 wxLogLastError(_T("GetModuleFileName"));
606 }
607
608 return fullname;
609}
610
611// return the full path of the program file
612inline wxString wxGetFullModuleName()
613{
614 return wxGetFullModuleName((HMODULE)wxGetInstance());
615}
616
617#if wxUSE_GUI
618
619// cursor stuff
620extern HCURSOR wxGetCurrentBusyCursor(); // from msw/utils.cpp
621extern const wxCursor *wxGetGlobalCursor(); // from msw/cursor.cpp
622
623WXDLLEXPORT void wxGetCharSize(WXHWND wnd, int *x, int *y, const wxFont& the_font);
624WXDLLEXPORT void wxFillLogFont(LOGFONT *logFont, const wxFont *font);
625WXDLLEXPORT wxFont wxCreateFontFromLogFont(const LOGFONT *logFont);
626WXDLLEXPORT wxFontEncoding wxGetFontEncFromCharSet(int charset);
627
628WXDLLEXPORT void wxSliderEvent(WXHWND control, WXWORD wParam, WXWORD pos);
629WXDLLEXPORT void wxScrollBarEvent(WXHWND hbar, WXWORD wParam, WXWORD pos);
630
631// Find maximum size of window/rectangle
632extern WXDLLEXPORT void wxFindMaxSize(WXHWND hwnd, RECT *rect);
633
634// Safely get the window text (i.e. without using fixed size buffer)
635extern WXDLLEXPORT wxString wxGetWindowText(WXHWND hWnd);
636
637// get the window class name
638extern WXDLLEXPORT wxString wxGetWindowClass(WXHWND hWnd);
639
640// get the window id (should be unsigned, hence this is not wxWindowID which
641// is, for mainly historical reasons, signed)
642extern WXDLLEXPORT WXWORD wxGetWindowId(WXHWND hWnd);
643
644// check if hWnd's WNDPROC is wndProc. Return true if yes, false if they are
645// different
646extern WXDLLEXPORT bool wxCheckWindowWndProc(WXHWND hWnd, WXFARPROC wndProc);
647
648// Does this window style specify any border?
649inline bool wxStyleHasBorder(long style)
650{
651 return (style & (wxSIMPLE_BORDER | wxRAISED_BORDER |
652 wxSUNKEN_BORDER | wxDOUBLE_BORDER)) != 0;
653}
654
655// ----------------------------------------------------------------------------
656// functions mapping HWND to wxWindow
657// ----------------------------------------------------------------------------
658
659// this function simply checks whether the given hWnd corresponds to a wxWindow
660// and returns either that window if it does or NULL otherwise
661extern WXDLLEXPORT wxWindow* wxFindWinFromHandle(WXHWND hWnd);
662
663// find the window for HWND which is part of some wxWindow, i.e. unlike
664// wxFindWinFromHandle() above it will also work for "sub controls" of a
665// wxWindow.
666//
667// returns the wxWindow corresponding to the given HWND or NULL.
668extern WXDLLEXPORT wxWindow *wxGetWindowFromHWND(WXHWND hwnd);
669
670// Get the size of an icon
671extern WXDLLEXPORT wxSize wxGetHiconSize(HICON hicon);
672
673// Lines are drawn differently for WinCE and regular WIN32
674WXDLLEXPORT void wxDrawLine(HDC hdc, int x1, int y1, int x2, int y2);
675
676// ----------------------------------------------------------------------------
677// 32/64 bit helpers
678// ----------------------------------------------------------------------------
679
680#ifdef __WIN64__
681
682inline void *wxGetWindowProc(HWND hwnd)
683{
684 return (void *)::GetWindowLongPtr(hwnd, GWLP_WNDPROC);
685}
686
687inline void *wxGetWindowUserData(HWND hwnd)
688{
689 return (void *)::GetWindowLongPtr(hwnd, GWLP_USERDATA);
690}
691
692inline WNDPROC wxSetWindowProc(HWND hwnd, WNDPROC func)
693{
694 return (WNDPROC)::SetWindowLongPtr(hwnd, GWLP_WNDPROC, (LONG_PTR)func);
695}
696
697inline void *wxSetWindowUserData(HWND hwnd, void *data)
698{
699 return (void *)::SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)data);
700}
701
702#else // __WIN32__
703
704#ifdef __VISUALC__
705 // strangely enough, VC++ 7.1 gives warnings about 32 -> 64 bit conversions
706 // in the functions below, even in spite of the explicit casts
707 #pragma warning(disable:4311)
708 #pragma warning(disable:4312)
709#endif
710
711inline void *wxGetWindowProc(HWND hwnd)
712{
713 return (void *)::GetWindowLong(hwnd, GWL_WNDPROC);
714}
715
716inline void *wxGetWindowUserData(HWND hwnd)
717{
718 return (void *)::GetWindowLong(hwnd, GWL_USERDATA);
719}
720
721inline WNDPROC wxSetWindowProc(HWND hwnd, WNDPROC func)
722{
723 return (WNDPROC)::SetWindowLong(hwnd, GWL_WNDPROC, (LONG)func);
724}
725
726inline void *wxSetWindowUserData(HWND hwnd, void *data)
727{
728 return (void *)::SetWindowLong(hwnd, GWL_USERDATA, (LONG)data);
729}
730
731#ifdef __VISUALC__
732 #pragma warning(default:4311)
733 #pragma warning(default:4312)
734#endif
735
736#endif // __WIN64__/__WIN32__
737
738#endif // wxUSE_GUI
739
740#endif
741 // _WX_PRIVATE_H_