include/wx/msw/private.h

   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
  29 class WXDLLEXPORT wxFont;
  30 class WXDLLEXPORT wxWindow;
  31 class WXDLLEXPORT wxWindowBase;
  32
  33 // ---------------------------------------------------------------------------
  34 // private constants
  35 // ---------------------------------------------------------------------------
  36
  37 // 260 was taken from windef.h
  38 #ifndef MAX_PATH
  39     #define MAX_PATH  260
  40 #endif
  41
  42 // ---------------------------------------------------------------------------
  43 // standard icons from the resources
  44 // ---------------------------------------------------------------------------
  45
  46 #if wxUSE_GUI
  47
  48 extern WXDLLEXPORT_DATA(HICON) wxSTD_FRAME_ICON;
  49 extern WXDLLEXPORT_DATA(HICON) wxSTD_MDIPARENTFRAME_ICON;
  50 extern WXDLLEXPORT_DATA(HICON) wxSTD_MDICHILDFRAME_ICON;
  51 extern WXDLLEXPORT_DATA(HICON) wxDEFAULT_FRAME_ICON;
  52 extern WXDLLEXPORT_DATA(HICON) wxDEFAULT_MDIPARENTFRAME_ICON;
  53 extern WXDLLEXPORT_DATA(HICON) wxDEFAULT_MDICHILDFRAME_ICON;
  54 extern WXDLLEXPORT_DATA(HFONT) wxSTATUS_LINE_FONT;
  55
  56 #endif // wxUSE_GUI
  57
  58 // ---------------------------------------------------------------------------
  59 // global data
  60 // ---------------------------------------------------------------------------
  61
  62 extern WXDLLIMPEXP_DATA_BASE(HINSTANCE) wxhInstance;
  63
  64 // ---------------------------------------------------------------------------
  65 // define things missing from some compilers' headers
  66 // ---------------------------------------------------------------------------
  67
  68 #if defined(__WXWINCE__) || (defined(__GNUWIN32__) && !wxUSE_NORLANDER_HEADERS)
  69 #ifndef ZeroMemory
  70     inline void ZeroMemory(void *buf, size_t len) { memset(buf, 0, len); }
  71 #endif
  72 #endif // old mingw32
  73
  74 // this defines a CASTWNDPROC macro which casts a pointer to the type of a
  75 // window proc
  76 #if defined(STRICT) || defined(__GNUC__)
  77     typedef WNDPROC WndProcCast;
  78 #else
  79     typedef FARPROC WndProcCast;
  80 #endif
  81
  82
  83 #define CASTWNDPROC (WndProcCast)
  84
  85
  86
  87 // ---------------------------------------------------------------------------
  88 // some stuff for old Windows versions (FIXME: what does it do here??)
  89 // ---------------------------------------------------------------------------
  90
  91 #if !defined(APIENTRY)  // NT defines APIENTRY, 3.x not
  92     #define APIENTRY FAR PASCAL
  93 #endif
  94
  95 #ifdef __WIN32__
  96     #define _EXPORT
  97 #else
  98     #define _EXPORT _export
  99 #endif
 100
 101 #ifndef __WIN32__
 102     typedef signed short int SHORT;
 103 #endif
 104
 105 #if !defined(__WIN32__)  // 3.x uses FARPROC for dialogs
 106 #ifndef STRICT
 107     #define DLGPROC FARPROC
 108 #endif
 109 #endif
 110
 111 #if wxUSE_PENWIN
 112     WXDLLEXPORT void wxRegisterPenWin();
 113     WXDLLEXPORT void wxCleanUpPenWin();
 114     WXDLLEXPORT void wxEnablePenAppHooks (bool hook);
 115 #endif // wxUSE_PENWIN
 116
 117 #if wxUSE_ITSY_BITSY
 118     #define IBS_HORZCAPTION    0x4000L
 119     #define IBS_VERTCAPTION    0x8000L
 120
 121     UINT    WINAPI ibGetCaptionSize( HWND hWnd  ) ;
 122     UINT    WINAPI ibSetCaptionSize( HWND hWnd, UINT nSize ) ;
 123     LRESULT WINAPI ibDefWindowProc( HWND hWnd, UINT uiMsg, WPARAM wParam, LPARAM lParam ) ;
 124     VOID    WINAPI ibAdjustWindowRect( HWND hWnd, LPRECT lprc ) ;
 125 #endif // wxUSE_ITSY_BITSY
 126
 127 /*
 128  * Decide what window classes we're going to use
 129  * for this combination of CTl3D/FAFA settings
 130  */
 131
 132 #define STATIC_CLASS     wxT("STATIC")
 133 #define STATIC_FLAGS     (SS_LEFT|WS_CHILD|WS_VISIBLE)
 134 #define CHECK_CLASS      wxT("BUTTON")
 135 #define CHECK_FLAGS      (BS_AUTOCHECKBOX|WS_TABSTOP|WS_CHILD)
 136 #define CHECK_IS_FAFA    FALSE
 137 #define RADIO_CLASS      wxT("BUTTON")
 138 #define RADIO_FLAGS      (BS_AUTORADIOBUTTON|WS_CHILD|WS_VISIBLE)
 139 #define RADIO_SIZE       20
 140 #define RADIO_IS_FAFA    FALSE
 141 #define PURE_WINDOWS
 142 #define GROUP_CLASS      wxT("BUTTON")
 143 #define GROUP_FLAGS      (BS_GROUPBOX|WS_CHILD|WS_VISIBLE)
 144
 145 /*
 146 #define BITCHECK_FLAGS   (FB_BITMAP|FC_BUTTONDRAW|FC_DEFAULT|WS_VISIBLE)
 147 #define BITRADIO_FLAGS   (FC_BUTTONDRAW|FB_BITMAP|FC_RADIO|WS_CHILD|WS_VISIBLE)
 148 */
 149
 150 // ---------------------------------------------------------------------------
 151 // misc macros
 152 // ---------------------------------------------------------------------------
 153
 154 #define MEANING_CHARACTER '0'
 155 #define DEFAULT_ITEM_WIDTH  100
 156 #define DEFAULT_ITEM_HEIGHT 80
 157
 158 // Scale font to get edit control height
 159 //#define EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy)    (3*(cy)/2)
 160 #define EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy)    (cy+8)
 161
 162 // Generic subclass proc, for panel item moving/sizing and intercept
 163 // EDIT control VK_RETURN messages
 164 extern LONG APIENTRY _EXPORT
 165   wxSubclassedGenericControlProc(WXHWND hWnd, WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
 166
 167 // ---------------------------------------------------------------------------
 168 // useful macros and functions
 169 // ---------------------------------------------------------------------------
 170
 171 // a wrapper macro for ZeroMemory()
 172 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
 173 #define wxZeroMemory(obj)   ::ZeroMemory(&obj, sizeof(obj))
 174 #else
 175 #define wxZeroMemory(obj)   memset((void*) & obj, 0, sizeof(obj))
 176 #endif
 177
 178 // This one is a macro so that it can be tested with #ifdef, it will be
 179 // undefined if it cannot be implemented for a given compiler.
 180 // Vc++, bcc, dmc, ow, mingw, codewarrior (and rsxnt) have _get_osfhandle.
 181 // Cygwin has get_osfhandle. Others are currently unknown, e.g. Salford,
 182 // Intel, Visual Age.
 183 #if defined(__WXWINCE__)
 184     #define wxGetOSFHandle(fd) ((HANDLE)fd)
 185 #elif defined(__CYGWIN__)
 186     #define wxGetOSFHandle(fd) ((HANDLE)get_osfhandle(fd))
 187 #elif defined(__VISUALC__) \
 188    || defined(__BORLANDC__) \
 189    || defined(__DMC__) \
 190    || defined(__WATCOMC__) \
 191    || (defined(__GNUWIN32__) || defined(__MINGW32__)) \
 192    || (defined(__MWERKS__) && defined(__MSL__))
 193     #define wxGetOSFHandle(fd) ((HANDLE)_get_osfhandle(fd))
 194 #endif
 195
 196 #if wxUSE_GUI
 197
 198 #include <wx/gdicmn.h>
 199 #include <wx/colour.h>
 200
 201 // make conversion from wxColour and COLORREF a bit less painful
 202 inline COLORREF wxColourToRGB(const wxColour& c)
 203 {
 204     return RGB(c.Red(), c.Green(), c.Blue());
 205 }
 206
 207 inline COLORREF wxColourToPalRGB(const wxColour& c)
 208 {
 209     return PALETTERGB(c.Red(), c.Green(), c.Blue());
 210 }
 211
 212 inline wxColour wxRGBToColour(COLORREF rgb)
 213 {
 214     return wxColour(GetRValue(rgb), GetGValue(rgb), GetBValue(rgb));
 215 }
 216
 217 inline void wxRGBToColour(wxColour& c, COLORREF rgb)
 218 {
 219     c.Set(GetRValue(rgb), GetGValue(rgb), GetBValue(rgb));
 220 }
 221
 222 // get the standard colour map for some standard colours - see comment in this
 223 // function to understand why is it needed and when should it be used
 224 //
 225 // it returns a wxCOLORMAP (can't use COLORMAP itself here as comctl32.dll
 226 // might be not included/available) array of size wxSTD_COLOUR_MAX
 227 //
 228 // NB: if you change these colours, update wxBITMAP_STD_COLOURS in the
 229 //     resources as well: it must have the same number of pixels!
 230 enum wxSTD_COLOUR
 231 {
 232     wxSTD_COL_BTNTEXT,
 233     wxSTD_COL_BTNSHADOW,
 234     wxSTD_COL_BTNFACE,
 235     wxSTD_COL_BTNHIGHLIGHT,
 236     wxSTD_COL_MAX
 237 };
 238
 239 struct WXDLLEXPORT wxCOLORMAP
 240 {
 241     COLORREF from, to;
 242 };
 243
 244 // this function is implemented in src/msw/window.cpp
 245 extern wxCOLORMAP *wxGetStdColourMap();
 246
 247 // create a wxRect from Windows RECT
 248 inline wxRect wxRectFromRECT(const RECT& rc)
 249 {
 250     return wxRect(rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top);
 251 }
 252
 253 // copy Windows RECT to our wxRect
 254 inline void wxCopyRECTToRect(const RECT& rc, wxRect& rect)
 255 {
 256     rect = wxRectFromRECT(rc);
 257 }
 258
 259 // and vice versa
 260 inline void wxCopyRectToRECT(const wxRect& rect, RECT& rc)
 261 {
 262     // note that we don't use wxRect::GetRight() as it is one of compared to
 263     // wxRectFromRECT() above
 264     rc.top = rect.y;
 265     rc.left = rect.x;
 266     rc.right = rect.x + rect.width;
 267     rc.bottom = rect.y + rect.height;
 268 }
 269
 270 // translations between HIMETRIC units (which OLE likes) and pixels (which are
 271 // liked by all the others) - implemented in msw/utilsexc.cpp
 272 extern void HIMETRICToPixel(LONG *x, LONG *y);
 273 extern void PixelToHIMETRIC(LONG *x, LONG *y);
 274
 275 // Windows convention of the mask is opposed to the wxWidgets one, so we need
 276 // to invert the mask each time we pass one/get one to/from Windows
 277 extern HBITMAP wxInvertMask(HBITMAP hbmpMask, int w = 0, int h = 0);
 278
 279 // Creates an icon or cursor depending from a bitmap
 280 //
 281 // The bitmap must be valid and it should have a mask. If it doesn't, a default
 282 // mask is created using light grey as the transparent colour.
 283 extern HICON wxBitmapToHICON(const wxBitmap& bmp);
 284
 285 // Same requirments as above apply and the bitmap must also have the correct
 286 // size.
 287 extern
 288 HCURSOR wxBitmapToHCURSOR(const wxBitmap& bmp, int hotSpotX, int hotSpotY);
 289
 290 // get (x, y) from DWORD - notice that HI/LOWORD can *not* be used because they
 291 // will fail on system with multiple monitors where the coords may be negative
 292 //
 293 // these macros are standard now (Win98) but some older headers don't have them
 294 #ifndef GET_X_LPARAM
 295     #define GET_X_LPARAM(lp) ((int)(short)LOWORD(lp))
 296     #define GET_Y_LPARAM(lp) ((int)(short)HIWORD(lp))
 297 #endif // GET_X_LPARAM
 298
 299 // get the current state of SHIFT/CTRL keys
 300 inline bool wxIsShiftDown()
 301 {
 302 //    return (::GetKeyState(VK_SHIFT) & 0x100) != 0;
 303     // Returns different negative values on WinME and WinNT,
 304     // so simply test for negative value.
 305     return ::GetKeyState(VK_SHIFT) < 0;
 306 }
 307
 308 inline bool wxIsCtrlDown()
 309 {
 310 //    return (::GetKeyState(VK_CONTROL) & 0x100) != 0;
 311     // Returns different negative values on WinME and WinNT,
 312     // so simply test for negative value.
 313     return ::GetKeyState(VK_CONTROL) < 0;
 314 }
 315
 316 // wrapper around GetWindowRect() and GetClientRect() APIs doing error checking
 317 // for Win32
 318 inline RECT wxGetWindowRect(HWND hwnd)
 319 {
 320     RECT rect;
 321
 322     if ( !::GetWindowRect(hwnd, &rect) )
 323     {
 324         wxLogLastError(_T("GetWindowRect"));
 325     }
 326
 327     return rect;
 328 }
 329
 330 inline RECT wxGetClientRect(HWND hwnd)
 331 {
 332     RECT rect;
 333
 334     if ( !::GetClientRect(hwnd, &rect) )
 335     {
 336         wxLogLastError(_T("GetClientRect"));
 337     }
 338
 339     return rect;
 340 }
 341
 342 // ---------------------------------------------------------------------------
 343 // small helper classes
 344 // ---------------------------------------------------------------------------
 345
 346 // a template to make initializing Windows styructs less painful: it zeroes all
 347 // the struct fields and also sets cbSize member to the correct value (and so
 348 // can be only used with structures which have this member...)
 349 template <class T>
 350 struct WinStruct : public T
 351 {
 352     WinStruct()
 353     {
 354         ::ZeroMemory(this, sizeof(T));
 355
 356         // explicit qualification is required here for this to be valid C++
 357         this->cbSize = sizeof(T);
 358     }
 359 };
 360
 361
 362 // create an instance of this class and use it as the HDC for screen, will
 363 // automatically release the DC going out of scope
 364 class ScreenHDC
 365 {
 366 public:
 367     ScreenHDC() { m_hdc = ::GetDC(NULL);    }
 368    ~ScreenHDC() { ::ReleaseDC(NULL, m_hdc); }
 369
 370     operator HDC() const { return m_hdc; }
 371
 372 private:
 373     HDC m_hdc;
 374
 375     DECLARE_NO_COPY_CLASS(ScreenHDC)
 376 };
 377
 378 // the same as ScreenHDC but for window DCs
 379 class WindowHDC
 380 {
 381 public:
 382     WindowHDC(HWND hwnd) { m_hdc = ::GetDC(m_hwnd = hwnd); }
 383    ~WindowHDC() { ::ReleaseDC(m_hwnd, m_hdc); }
 384
 385     operator HDC() const { return m_hdc; }
 386
 387 private:
 388    HWND m_hwnd;
 389    HDC m_hdc;
 390
 391    DECLARE_NO_COPY_CLASS(WindowHDC)
 392 };
 393
 394 // the same as ScreenHDC but for memory DCs: creates the HDC compatible with
 395 // the given one (screen by default) in ctor and destroys it in dtor
 396 class MemoryHDC
 397 {
 398 public:
 399     MemoryHDC(HDC hdc = 0) { m_hdc = ::CreateCompatibleDC(hdc); }
 400    ~MemoryHDC() { ::DeleteDC(m_hdc); }
 401
 402     operator HDC() const { return m_hdc; }
 403
 404 private:
 405     HDC m_hdc;
 406
 407     DECLARE_NO_COPY_CLASS(MemoryHDC)
 408 };
 409
 410 // a class which selects a GDI object into a DC in its ctor and deselects in
 411 // dtor
 412 class SelectInHDC
 413 {
 414 public:
 415     SelectInHDC(HDC hdc, HGDIOBJ hgdiobj) : m_hdc(hdc)
 416         { m_hgdiobj = ::SelectObject(hdc, hgdiobj); }
 417
 418    ~SelectInHDC() { ::SelectObject(m_hdc, m_hgdiobj); }
 419
 420    // return true if the object was successfully selected
 421    operator bool() const { return m_hgdiobj != 0; }
 422
 423 private:
 424    HDC m_hdc;
 425    HGDIOBJ m_hgdiobj;
 426
 427    DECLARE_NO_COPY_CLASS(SelectInHDC)
 428 };
 429
 430 // a class which cleans up any GDI object
 431 class AutoGDIObject
 432 {
 433 protected:
 434     AutoGDIObject(HGDIOBJ gdiobj) : m_gdiobj(gdiobj) { }
 435     ~AutoGDIObject() { if ( m_gdiobj ) ::DeleteObject(m_gdiobj); }
 436
 437     HGDIOBJ GetObject() const { return m_gdiobj; }
 438
 439 private:
 440     HGDIOBJ m_gdiobj;
 441 };
 442
 443 // TODO: all this asks for using a AutoHandler<T, CreateFunc> template...
 444
 445 // a class for temporary pens
 446 class AutoHBRUSH : private AutoGDIObject
 447 {
 448 public:
 449     AutoHBRUSH(COLORREF col)
 450         : AutoGDIObject(::CreateSolidBrush(col)) { }
 451
 452     operator HBRUSH() const { return (HBRUSH)GetObject(); }
 453 };
 454
 455 // a class for temporary pens
 456 class AutoHPEN : private AutoGDIObject
 457 {
 458 public:
 459     AutoHPEN(COLORREF col)
 460         : AutoGDIObject(::CreatePen(PS_SOLID, 0, col)) { }
 461
 462     operator HPEN() const { return (HPEN)GetObject(); }
 463 };
 464
 465 // classes for temporary bitmaps
 466 class AutoHBITMAP : private AutoGDIObject
 467 {
 468 public:
 469     AutoHBITMAP(HBITMAP hbmp) : AutoGDIObject(hbmp) { }
 470
 471     operator HBITMAP() const { return (HBITMAP)GetObject(); }
 472 };
 473
 474 class CompatibleBitmap : public AutoHBITMAP
 475 {
 476 public:
 477     CompatibleBitmap(HDC hdc, int w, int h)
 478         : AutoHBITMAP(::CreateCompatibleBitmap(hdc, w, h))
 479     {
 480     }
 481 };
 482
 483 class MonoBitmap : public AutoHBITMAP
 484 {
 485 public:
 486     MonoBitmap(int w, int h)
 487         : AutoHBITMAP(::CreateBitmap(w, h, 1, 1, 0))
 488     {
 489     }
 490 };
 491
 492 // class automatically destroys the region object
 493 class AutoHRGN : private AutoGDIObject
 494 {
 495 public:
 496     AutoHRGN(HRGN hrgn) : AutoGDIObject(hrgn) { }
 497
 498     operator HRGN() const { return (HRGN)GetObject(); }
 499 };
 500
 501 // class sets the specified clipping region during its life time
 502 class HDCClipper
 503 {
 504 public:
 505     HDCClipper(HDC hdc, HRGN hrgn)
 506         : m_hdc(hdc)
 507     {
 508         if ( !::SelectClipRgn(hdc, hrgn) )
 509             wxLogLastError(_T("SelectClipRgn"));
 510     }
 511
 512     ~HDCClipper()
 513     {
 514         ::SelectClipRgn(m_hdc, NULL);
 515     }
 516
 517 private:
 518     HDC m_hdc;
 519
 520     DECLARE_NO_COPY_CLASS(HDCClipper)
 521 };
 522
 523 // when working with global pointers (which is unfortunately still necessary
 524 // sometimes, e.g. for clipboard) it is important to unlock them exactly as
 525 // many times as we lock them which just asks for using a "smart lock" class
 526 class GlobalPtr
 527 {
 528 public:
 529     GlobalPtr(HGLOBAL hGlobal) : m_hGlobal(hGlobal)
 530     {
 531         m_ptr = GlobalLock(hGlobal);
 532         if ( !m_ptr )
 533         {
 534             wxLogLastError(_T("GlobalLock"));
 535         }
 536     }
 537
 538     ~GlobalPtr()
 539     {
 540         if ( !GlobalUnlock(m_hGlobal) )
 541         {
 542 #ifdef __WXDEBUG__
 543             // this might happen simply because the block became unlocked
 544             DWORD dwLastError = ::GetLastError();
 545             if ( dwLastError != NO_ERROR )
 546             {
 547                 wxLogApiError(_T("GlobalUnlock"), dwLastError);
 548             }
 549 #endif // __WXDEBUG__
 550         }
 551     }
 552
 553     operator void *() const { return m_ptr; }
 554
 555 private:
 556     HGLOBAL m_hGlobal;
 557     void *m_ptr;
 558
 559     DECLARE_NO_COPY_CLASS(GlobalPtr)
 560 };
 561
 562 // register the class when it is first needed and unregister it in dtor
 563 class ClassRegistrar
 564 {
 565 public:
 566     // ctor doesn't register the class, call Initialize() for this
 567     ClassRegistrar() { m_registered = -1; }
 568
 569     // return true if the class is already registered
 570     bool IsInitialized() const { return m_registered != -1; }
 571
 572     // return true if the class had been already registered
 573     bool IsRegistered() const { return m_registered == 1; }
 574
 575     // try to register the class if not done yet, return true on success
 576     bool Register(const WNDCLASS& wc)
 577     {
 578         // we should only be called if we hadn't been initialized yet
 579         wxASSERT_MSG( m_registered == -1,
 580                         _T("calling ClassRegistrar::Register() twice?") );
 581
 582         m_registered = ::RegisterClass(&wc) ? 1 : 0;
 583         if ( !IsRegistered() )
 584         {
 585             wxLogLastError(_T("RegisterClassEx()"));
 586         }
 587         else
 588         {
 589             m_clsname = wc.lpszClassName;
 590         }
 591
 592         return m_registered == 1;
 593     }
 594
 595     // get the name of the registered class (returns empty string if not
 596     // registered)
 597     const wxString& GetName() const { return m_clsname; }
 598
 599     // unregister the class if it had been registered
 600     ~ClassRegistrar()
 601     {
 602         if ( IsRegistered() )
 603         {
 604             if ( !::UnregisterClass(m_clsname, wxhInstance) )
 605             {
 606                 wxLogLastError(_T("UnregisterClass"));
 607             }
 608         }
 609     }
 610
 611 private:
 612     // initial value is -1 which means that we hadn't tried registering the
 613     // class yet, it becomes true or false (1 or 0) when Initialize() is called
 614     int m_registered;
 615
 616     // the name of the class, only non empty if it had been registered
 617     wxString m_clsname;
 618 };
 619
 620 // ---------------------------------------------------------------------------
 621 // macros to make casting between WXFOO and FOO a bit easier: the GetFoo()
 622 // returns Foo cast to the Windows type for oruselves, while GetFooOf() takes
 623 // an argument which should be a pointer or reference to the object of the
 624 // corresponding class (this depends on the macro)
 625 // ---------------------------------------------------------------------------
 626
 627 #define GetHwnd()               ((HWND)GetHWND())
 628 #define GetHwndOf(win)          ((HWND)((win)->GetHWND()))
 629 // old name
 630 #define GetWinHwnd              GetHwndOf
 631
 632 #define GetHdc()                ((HDC)GetHDC())
 633 #define GetHdcOf(dc)            ((HDC)(dc).GetHDC())
 634
 635 #define GetHbitmap()            ((HBITMAP)GetHBITMAP())
 636 #define GetHbitmapOf(bmp)       ((HBITMAP)(bmp).GetHBITMAP())
 637
 638 #define GetHicon()              ((HICON)GetHICON())
 639 #define GetHiconOf(icon)        ((HICON)(icon).GetHICON())
 640
 641 #define GetHaccel()             ((HACCEL)GetHACCEL())
 642 #define GetHaccelOf(table)      ((HACCEL)((table).GetHACCEL()))
 643
 644 #define GetHbrush()             ((HBRUSH)GetResourceHandle())
 645 #define GetHbrushOf(brush)      ((HBRUSH)(brush).GetResourceHandle())
 646
 647 #define GetHmenu()              ((HMENU)GetHMenu())
 648 #define GetHmenuOf(menu)        ((HMENU)menu->GetHMenu())
 649
 650 #define GetHcursor()            ((HCURSOR)GetHCURSOR())
 651 #define GetHcursorOf(cursor)    ((HCURSOR)(cursor).GetHCURSOR())
 652
 653 #define GetHfont()              ((HFONT)GetHFONT())
 654 #define GetHfontOf(font)        ((HFONT)(font).GetHFONT())
 655
 656 #define GetHimagelist()         ((HIMAGELIST)GetHIMAGELIST())
 657 #define GetHimagelistOf(imgl)   ((HIMAGELIST)imgl->GetHIMAGELIST())
 658
 659 #define GetHpalette()           ((HPALETTE)GetHPALETTE())
 660 #define GetHpaletteOf(pal)      ((HPALETTE)(pal).GetHPALETTE())
 661
 662 #define GetHpen()               ((HPEN)GetResourceHandle())
 663 #define GetHpenOf(pen)          ((HPEN)(pen).GetResourceHandle())
 664
 665 #define GetHrgn()               ((HRGN)GetHRGN())
 666 #define GetHrgnOf(rgn)          ((HRGN)(rgn).GetHRGN())
 667
 668 #endif // wxUSE_GUI
 669
 670 // ---------------------------------------------------------------------------
 671 // global functions
 672 // ---------------------------------------------------------------------------
 673
 674 extern "C"
 675 {
 676     WXDLLIMPEXP_BASE HINSTANCE wxGetInstance();
 677 }
 678
 679 WXDLLIMPEXP_BASE void wxSetInstance(HINSTANCE hInst);
 680
 681 // return the full path of the given module
 682 inline wxString wxGetFullModuleName(HMODULE hmod)
 683 {
 684     wxString fullname;
 685     if ( !::GetModuleFileName
 686             (
 687                 hmod,
 688                 wxStringBuffer(fullname, MAX_PATH),
 689                 MAX_PATH
 690             ) )
 691     {
 692         wxLogLastError(_T("GetModuleFileName"));
 693     }
 694
 695     return fullname;
 696 }
 697
 698 // return the full path of the program file
 699 inline wxString wxGetFullModuleName()
 700 {
 701     return wxGetFullModuleName((HMODULE)wxGetInstance());
 702 }
 703
 704 #if wxUSE_GUI
 705
 706 // cursor stuff
 707 extern HCURSOR wxGetCurrentBusyCursor();    // from msw/utils.cpp
 708 extern const wxCursor *wxGetGlobalCursor(); // from msw/cursor.cpp
 709
 710 WXDLLEXPORT void wxGetCharSize(WXHWND wnd, int *x, int *y, const wxFont& the_font);
 711 WXDLLEXPORT void wxFillLogFont(LOGFONT *logFont, const wxFont *font);
 712 WXDLLEXPORT wxFont wxCreateFontFromLogFont(const LOGFONT *logFont);
 713 WXDLLEXPORT wxFontEncoding wxGetFontEncFromCharSet(int charset);
 714
 715 WXDLLEXPORT void wxSliderEvent(WXHWND control, WXWORD wParam, WXWORD pos);
 716 WXDLLEXPORT void wxScrollBarEvent(WXHWND hbar, WXWORD wParam, WXWORD pos);
 717
 718 // Find maximum size of window/rectangle
 719 extern WXDLLEXPORT void wxFindMaxSize(WXHWND hwnd, RECT *rect);
 720
 721 // Safely get the window text (i.e. without using fixed size buffer)
 722 extern WXDLLEXPORT wxString wxGetWindowText(WXHWND hWnd);
 723
 724 // get the window class name
 725 extern WXDLLEXPORT wxString wxGetWindowClass(WXHWND hWnd);
 726
 727 // get the window id (should be unsigned, hence this is not wxWindowID which
 728 // is, for mainly historical reasons, signed)
 729 extern WXDLLEXPORT WXWORD wxGetWindowId(WXHWND hWnd);
 730
 731 // check if hWnd's WNDPROC is wndProc. Return true if yes, false if they are
 732 // different
 733 extern WXDLLEXPORT bool wxCheckWindowWndProc(WXHWND hWnd, WXFARPROC wndProc);
 734
 735 // Does this window style specify any border?
 736 inline bool wxStyleHasBorder(long style)
 737 {
 738     return (style & (wxSIMPLE_BORDER | wxRAISED_BORDER |
 739                      wxSUNKEN_BORDER | wxDOUBLE_BORDER)) != 0;
 740 }
 741
 742 // Deferred window moving
 743 bool wxMoveWindowDeferred(HDWP& hdwp, wxWindowBase* win, HWND hWnd, int x, int y, int width, int height);
 744
 745 // ----------------------------------------------------------------------------
 746 // functions mapping HWND to wxWindow
 747 // ----------------------------------------------------------------------------
 748
 749 // this function simply checks whether the given hWnd corresponds to a wxWindow
 750 // and returns either that window if it does or NULL otherwise
 751 extern WXDLLEXPORT wxWindow* wxFindWinFromHandle(WXHWND hWnd);
 752
 753 // find the window for HWND which is part of some wxWindow, i.e. unlike
 754 // wxFindWinFromHandle() above it will also work for "sub controls" of a
 755 // wxWindow.
 756 //
 757 // returns the wxWindow corresponding to the given HWND or NULL.
 758 extern WXDLLEXPORT wxWindow *wxGetWindowFromHWND(WXHWND hwnd);
 759
 760 // Get the size of an icon
 761 extern WXDLLEXPORT wxSize wxGetHiconSize(HICON hicon);
 762
 763 // Lines are drawn differently for WinCE and regular WIN32
 764 WXDLLEXPORT void wxDrawLine(HDC hdc, int x1, int y1, int x2, int y2);
 765
 766 // fill the client rect of the given window on the provided dc using this brush
 767 inline void wxFillRect(HWND hwnd, HDC hdc, HBRUSH hbr)
 768 {
 769     RECT rc;
 770     ::GetClientRect(hwnd, &rc);
 771     ::FillRect(hdc, &rc, hbr);
 772 }
 773
 774 // ----------------------------------------------------------------------------
 775 // 32/64 bit helpers
 776 // ----------------------------------------------------------------------------
 777
 778 #ifdef __WIN64__
 779
 780 inline void *wxGetWindowProc(HWND hwnd)
 781 {
 782     return (void *)::GetWindowLongPtr(hwnd, GWLP_WNDPROC);
 783 }
 784
 785 inline void *wxGetWindowUserData(HWND hwnd)
 786 {
 787     return (void *)::GetWindowLongPtr(hwnd, GWLP_USERDATA);
 788 }
 789
 790 inline WNDPROC wxSetWindowProc(HWND hwnd, WNDPROC func)
 791 {
 792     return (WNDPROC)::SetWindowLongPtr(hwnd, GWLP_WNDPROC, (LONG_PTR)func);
 793 }
 794
 795 inline void *wxSetWindowUserData(HWND hwnd, void *data)
 796 {
 797     return (void *)::SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)data);
 798 }
 799
 800 #else // __WIN32__
 801
 802 #ifdef __VISUALC__
 803     // strangely enough, VC++ 7.1 gives warnings about 32 -> 64 bit conversions
 804     // in the functions below, even in spite of the explicit casts
 805     #pragma warning(disable:4311)
 806     #pragma warning(disable:4312)
 807 #endif
 808
 809 inline void *wxGetWindowProc(HWND hwnd)
 810 {
 811     return (void *)::GetWindowLong(hwnd, GWL_WNDPROC);
 812 }
 813
 814 inline void *wxGetWindowUserData(HWND hwnd)
 815 {
 816     return (void *)::GetWindowLong(hwnd, GWL_USERDATA);
 817 }
 818
 819 inline WNDPROC wxSetWindowProc(HWND hwnd, WNDPROC func)
 820 {
 821     return (WNDPROC)::SetWindowLong(hwnd, GWL_WNDPROC, (LONG)func);
 822 }
 823
 824 inline void *wxSetWindowUserData(HWND hwnd, void *data)
 825 {
 826     return (void *)::SetWindowLong(hwnd, GWL_USERDATA, (LONG)data);
 827 }
 828
 829 #ifdef __VISUALC__
 830     #pragma warning(default:4311)
 831     #pragma warning(default:4312)
 832 #endif
 833
 834 #endif // __WIN64__/__WIN32__
 835
 836 #endif // wxUSE_GUI
 837
 838 #endif // _WX_PRIVATE_H_