include/wx/msw/private.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        private.h
   3 // Purpose:     Private declarations: as this header is only included by
   4 //              wxWindows 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 <windows.h>
  18
  19 // undefine conflicting symbols which were defined in windows.h
  20 #include "wx/msw/winundef.h"
  21
  22 class WXDLLEXPORT wxFont;
  23 class WXDLLEXPORT wxWindow;
  24
  25 // ---------------------------------------------------------------------------
  26 // private constants
  27 // ---------------------------------------------------------------------------
  28
  29 // Conversion
  30 static const double METRIC_CONVERSION_CONSTANT = 0.0393700787;
  31
  32 // Scaling factors for various unit conversions
  33 static const double mm2inches = (METRIC_CONVERSION_CONSTANT);
  34 static const double inches2mm = (1/METRIC_CONVERSION_CONSTANT);
  35
  36 static const double mm2twips = (METRIC_CONVERSION_CONSTANT*1440);
  37 static const double twips2mm = (1/(METRIC_CONVERSION_CONSTANT*1440));
  38
  39 static const double mm2pt = (METRIC_CONVERSION_CONSTANT*72);
  40 static const double pt2mm = (1/(METRIC_CONVERSION_CONSTANT*72));
  41
  42 // ---------------------------------------------------------------------------
  43 // standard icons from the resources
  44 // ---------------------------------------------------------------------------
  45
  46 WXDLLEXPORT_DATA(extern HICON) wxSTD_FRAME_ICON;
  47 WXDLLEXPORT_DATA(extern HICON) wxSTD_MDIPARENTFRAME_ICON;
  48 WXDLLEXPORT_DATA(extern HICON) wxSTD_MDICHILDFRAME_ICON;
  49 WXDLLEXPORT_DATA(extern HICON) wxDEFAULT_FRAME_ICON;
  50 WXDLLEXPORT_DATA(extern HICON) wxDEFAULT_MDIPARENTFRAME_ICON;
  51 WXDLLEXPORT_DATA(extern HICON) wxDEFAULT_MDICHILDFRAME_ICON;
  52 WXDLLEXPORT_DATA(extern HFONT) wxSTATUS_LINE_FONT;
  53
  54 // ---------------------------------------------------------------------------
  55 // define things missing from some compilers' headers
  56 // ---------------------------------------------------------------------------
  57
  58 #if defined(__GNUWIN32__) && !defined(wxUSE_NORLANDER_HEADERS)
  59     inline void ZeroMemory(void *buf, size_t len) { memset(buf, 0, len); }
  60 #endif // old mingw32
  61
  62 // this defines a CASTWNDPROC macro which casts a pointer to the type of a
  63 // window proc
  64 #if defined(__GNUWIN32__) && !defined(wxUSE_NORLANDER_HEADERS)
  65 #  define CASTWNDPROC (long unsigned)
  66 #else
  67 #  ifdef __BORLANDC__
  68
  69 #  ifdef __WIN32__
  70 #    define CASTWNDPROC
  71 #  else
  72        typedef int (pascal * WndProcCast) ();
  73 #      define CASTWNDPROC (WndProcCast)
  74 #  endif
  75
  76 #  else
  77 #    if defined (__WIN32__) && defined(STRICT)
  78        typedef long (_stdcall * WndProcCast) (HWND, unsigned int, unsigned int, long);
  79 #      define CASTWNDPROC (WndProcCast)
  80 #    elif defined(__WIN16__)
  81 #    ifdef __BORLANDC__
  82        typedef int (pascal * WndProcCast) ();
  83 #      define CASTWNDPROC (WndProcCast)
  84 #    else
  85 #      if defined(__VISUALC__) && defined(STRICT)
  86 #        define CASTWNDPROC (WNDPROC)
  87 #      else
  88          typedef int (PASCAL * WndProcCast) ();
  89 #        define CASTWNDPROC (WndProcCast)
  90 #      endif
  91 #    endif
  92 #    else
  93 #      define CASTWNDPROC
  94 #    endif
  95 #  endif
  96 #endif
  97
  98 // ---------------------------------------------------------------------------
  99 // some stuff for old Windows versions (FIXME: what does it do here??)
 100 // ---------------------------------------------------------------------------
 101
 102 #if !defined(APIENTRY)  // NT defines APIENTRY, 3.x not
 103     #define APIENTRY FAR PASCAL
 104 #endif
 105
 106 #ifdef __WIN32__
 107     #define _EXPORT
 108 #else
 109     #define _EXPORT _export
 110 #endif
 111
 112 #ifndef __WIN32__
 113     typedef signed short int SHORT;
 114 #endif
 115
 116 #if !defined(__WIN32__)  // 3.x uses FARPROC for dialogs
 117 #ifndef STRICT
 118     #define DLGPROC FARPROC
 119 #endif
 120 #endif
 121
 122 #if wxUSE_PENWIN
 123     WXDLLEXPORT void wxRegisterPenWin();
 124     WXDLLEXPORT void wxCleanUpPenWin();
 125     WXDLLEXPORT void wxEnablePenAppHooks (bool hook);
 126 #endif // wxUSE_PENWIN
 127
 128 #if wxUSE_ITSY_BITSY
 129     #define IBS_HORZCAPTION    0x4000L
 130     #define IBS_VERTCAPTION    0x8000L
 131
 132     UINT    WINAPI ibGetCaptionSize( HWND hWnd  ) ;
 133     UINT    WINAPI ibSetCaptionSize( HWND hWnd, UINT nSize ) ;
 134     LRESULT WINAPI ibDefWindowProc( HWND hWnd, UINT uiMsg, WPARAM wParam, LPARAM lParam ) ;
 135     VOID    WINAPI ibAdjustWindowRect( HWND hWnd, LPRECT lprc ) ;
 136 #endif // wxUSE_ITSY_BITSY
 137
 138 #if wxUSE_CTL3D
 139     #include "wx/msw/ctl3d/ctl3d.h"
 140 #endif // wxUSE_CTL3D
 141
 142 /*
 143  * Decide what window classes we're going to use
 144  * for this combination of CTl3D/FAFA settings
 145  */
 146
 147 #define STATIC_CLASS     wxT("STATIC")
 148 #define STATIC_FLAGS     (SS_LEFT|WS_CHILD|WS_VISIBLE)
 149 #define CHECK_CLASS      wxT("BUTTON")
 150 #define CHECK_FLAGS      (BS_AUTOCHECKBOX|WS_TABSTOP|WS_CHILD)
 151 #define CHECK_IS_FAFA   FALSE
 152 #define RADIO_CLASS      wxT("BUTTON")
 153 #define RADIO_FLAGS      (BS_AUTORADIOBUTTON|WS_CHILD|WS_VISIBLE)
 154 #define RADIO_SIZE       20
 155 #define RADIO_IS_FAFA   FALSE
 156 #define PURE_WINDOWS
 157 #define GROUP_CLASS      wxT("BUTTON")
 158 #define GROUP_FLAGS      (BS_GROUPBOX|WS_CHILD|WS_VISIBLE)
 159
 160 /*
 161 #define BITCHECK_FLAGS   (FB_BITMAP|FC_BUTTONDRAW|FC_DEFAULT|WS_VISIBLE)
 162 #define BITRADIO_FLAGS   (FC_BUTTONDRAW|FB_BITMAP|FC_RADIO|WS_CHILD|WS_VISIBLE)
 163 */
 164
 165 // ---------------------------------------------------------------------------
 166 // misc macros
 167 // ---------------------------------------------------------------------------
 168
 169 #define MEANING_CHARACTER '0'
 170 #define DEFAULT_ITEM_WIDTH  200
 171 #define DEFAULT_ITEM_HEIGHT 80
 172
 173 // Scale font to get edit control height
 174 #define EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy)    (3*(cy)/2)
 175
 176 // Generic subclass proc, for panel item moving/sizing and intercept
 177 // EDIT control VK_RETURN messages
 178 extern LONG APIENTRY _EXPORT
 179   wxSubclassedGenericControlProc(WXHWND hWnd, WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
 180
 181 // ---------------------------------------------------------------------------
 182 // constants which might miss from some compilers' headers
 183 // ---------------------------------------------------------------------------
 184
 185 #if !defined(__WIN32__) && !defined(WS_EX_CLIENTEDGE)
 186     #define WS_EX_CLIENTEDGE 0
 187 #endif
 188
 189 #if defined(__WIN32__) && !defined(WS_EX_CLIENTEDGE)
 190     #define WS_EX_CLIENTEDGE 0x00000200L
 191 #endif
 192
 193 #ifndef ENDSESSION_LOGOFF
 194     #define ENDSESSION_LOGOFF    0x80000000
 195 #endif
 196
 197 // ---------------------------------------------------------------------------
 198 // debug messages
 199 // ---------------------------------------------------------------------------
 200 #if defined(__WIN95__) && defined(__WXDEBUG__) && wxUSE_DBWIN32
 201
 202     #ifndef __TWIN32__
 203         #ifdef OutputDebugString
 204             #undef OutputDebugString
 205         #endif
 206
 207         #define OutputDebugString OutputDebugStringW95
 208     #endif // __TWIN32__
 209
 210     extern void OutputDebugStringW95(const wxChar*, ...);
 211 #endif // USE_DBWIN32
 212
 213 // ---------------------------------------------------------------------------
 214 // useful macros and functions
 215 // ---------------------------------------------------------------------------
 216
 217 // a wrapper macro for ZeroMemory()
 218 #define wxZeroMemory(obj)   ::ZeroMemory(&obj, sizeof(obj))
 219
 220 // make conversion from wxColour and COLORREF a bit less painful
 221 inline COLORREF wxColourToRGB(const wxColour& c)
 222 {
 223     return RGB(c.Red(), c.Green(), c.Blue());
 224 }
 225
 226 inline void wxRGBToColour(wxColour& c, COLORREF rgb)
 227 {
 228     c.Set(GetRValue(rgb), GetGValue(rgb), GetBValue(rgb));
 229 }
 230
 231 // ---------------------------------------------------------------------------
 232 // macros to make casting between WXFOO and FOO a bit easier: the GetFoo()
 233 // returns Foo cast to the Windows type for oruselves, while GetFooOf() takes
 234 // an argument which should be a pointer or reference to the object of the
 235 // corresponding class (this depends on the macro)
 236 // ---------------------------------------------------------------------------
 237
 238 #define GetHwnd()               ((HWND)GetHWND())
 239 #define GetHwndOf(win)          ((HWND)((win)->GetHWND()))
 240 // old name
 241 #define GetWinHwnd              GetHwndOf
 242
 243 #define GetHdc()                ((HDC)GetHDC())
 244 #define GetHdcOf(dc)            ((HDC)(dc).GetHDC())
 245
 246 #define GetHbitmap()            ((HBITMAP)GetHBITMAP())
 247 #define GetHbitmapOf(bmp)       ((HBITMAP)(bmp).GetHBITMAP())
 248
 249 #define GetHicon()              ((HICON)GetHICON())
 250 #define GetHiconOf(icon)        ((HICON)(icon).GetHICON())
 251
 252 #define GetHaccel()             ((HACCEL)GetHACCEL())
 253 #define GetHaccelOf(table)      ((HACCEL)((table).GetHACCEL()))
 254
 255 #define GetHmenu()              ((HMENU)GetHMenu())
 256 #define GetHmenuOf(menu)        ((HMENU)menu->GetHMenu())
 257
 258 // ---------------------------------------------------------------------------
 259 // global data
 260 // ---------------------------------------------------------------------------
 261
 262 // The MakeProcInstance version of the function wxSubclassedGenericControlProc
 263 WXDLLEXPORT_DATA(extern FARPROC) wxGenericControlSubClassProc;
 264 WXDLLEXPORT_DATA(extern wxChar*) wxBuffer;
 265 WXDLLEXPORT_DATA(extern HINSTANCE) wxhInstance;
 266
 267 // ---------------------------------------------------------------------------
 268 // global functions
 269 // ---------------------------------------------------------------------------
 270
 271 extern "C"
 272 {
 273 WXDLLEXPORT HINSTANCE wxGetInstance();
 274 }
 275
 276 WXDLLEXPORT void wxSetInstance(HINSTANCE hInst);
 277
 278 WXDLLEXPORT wxWindow* wxFindWinFromHandle(WXHWND hWnd);
 279
 280 WXDLLEXPORT void wxGetCharSize(WXHWND wnd, int *x, int *y,wxFont *the_font);
 281 WXDLLEXPORT void wxFillLogFont(LOGFONT *logFont, const wxFont *font);
 282 WXDLLEXPORT wxFont wxCreateFontFromLogFont(const LOGFONT *logFont);
 283
 284 WXDLLEXPORT void wxSliderEvent(WXHWND control, WXWORD wParam, WXWORD pos);
 285 WXDLLEXPORT void wxScrollBarEvent(WXHWND hbar, WXWORD wParam, WXWORD pos);
 286
 287 // Find maximum size of window/rectangle
 288 WXDLLEXPORT extern void wxFindMaxSize(WXHWND hwnd, RECT *rect);
 289
 290 WXDLLEXPORT wxWindow* wxFindControlFromHandle(WXHWND hWnd);
 291 WXDLLEXPORT void wxAddControlHandle(WXHWND hWnd, wxWindow *item);
 292
 293 // Safely get the window text (i.e. without using fixed size buffer)
 294 WXDLLEXPORT extern wxString wxGetWindowText(WXHWND hWnd);
 295
 296 // get the window class name
 297 WXDLLEXPORT extern wxString wxGetWindowClass(WXHWND hWnd);
 298
 299 // get the window id (should be unsigned, hence this is not wxWindowID which
 300 // is, for mainly historical reasons, signed)
 301 WXDLLEXPORT extern WXWORD wxGetWindowId(WXHWND hWnd);
 302
 303 // Does this window style specify any border?
 304 inline bool wxStyleHasBorder(long style)
 305 {
 306   return (style & (wxSIMPLE_BORDER | wxRAISED_BORDER |
 307                    wxSUNKEN_BORDER | wxDOUBLE_BORDER)) != 0;
 308 }
 309
 310 #endif
 311     // _WX_PRIVATE_H_