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 #if wxUSE_GUI
  47
  48 WXDLLEXPORT_DATA(extern HICON) wxSTD_FRAME_ICON;
  49 WXDLLEXPORT_DATA(extern HICON) wxSTD_MDIPARENTFRAME_ICON;
  50 WXDLLEXPORT_DATA(extern HICON) wxSTD_MDICHILDFRAME_ICON;
  51 WXDLLEXPORT_DATA(extern HICON) wxDEFAULT_FRAME_ICON;
  52 WXDLLEXPORT_DATA(extern HICON) wxDEFAULT_MDIPARENTFRAME_ICON;
  53 WXDLLEXPORT_DATA(extern HICON) wxDEFAULT_MDICHILDFRAME_ICON;
  54 WXDLLEXPORT_DATA(extern HFONT) wxSTATUS_LINE_FONT;
  55
  56 #endif // wxUSE_GUI
  57
  58 // ---------------------------------------------------------------------------
  59 // define things missing from some compilers' headers
  60 // ---------------------------------------------------------------------------
  61
  62 #if defined(__GNUWIN32__) && !defined(wxUSE_NORLANDER_HEADERS)
  63 #ifndef ZeroMemory
  64     inline void ZeroMemory(void *buf, size_t len) { memset(buf, 0, len); }
  65 #endif
  66 #endif // old mingw32
  67
  68 // this defines a CASTWNDPROC macro which casts a pointer to the type of a
  69 // window proc
  70 #if defined(__GNUWIN32__) && !defined(wxUSE_NORLANDER_HEADERS)
  71 #  define CASTWNDPROC (long unsigned)
  72 #else
  73 #  ifdef __BORLANDC__
  74
  75 #  ifdef __WIN32__
  76 #    define CASTWNDPROC
  77 #  else
  78        typedef int (pascal * WndProcCast) ();
  79 #      define CASTWNDPROC (WndProcCast)
  80 #  endif
  81
  82 #  else
  83 #    if defined (__WIN32__) && defined(STRICT)
  84        typedef long (_stdcall * WndProcCast) (HWND, unsigned int, unsigned int, long);
  85 #      define CASTWNDPROC (WndProcCast)
  86 #    elif defined(__WIN16__)
  87 #    ifdef __BORLANDC__
  88        typedef int (pascal * WndProcCast) ();
  89 #      define CASTWNDPROC (WndProcCast)
  90 #    else
  91 #      if defined(__VISUALC__) && defined(STRICT)
  92 #        define CASTWNDPROC (WNDPROC)
  93 #      else
  94          typedef int (PASCAL * WndProcCast) ();
  95 #        define CASTWNDPROC (WndProcCast)
  96 #      endif
  97 #    endif
  98 #    else
  99 #      define CASTWNDPROC
 100 #    endif
 101 #  endif
 102 #endif
 103
 104 // ---------------------------------------------------------------------------
 105 // some stuff for old Windows versions (FIXME: what does it do here??)
 106 // ---------------------------------------------------------------------------
 107
 108 #if !defined(APIENTRY)  // NT defines APIENTRY, 3.x not
 109     #define APIENTRY FAR PASCAL
 110 #endif
 111
 112 #ifdef __WIN32__
 113     #define _EXPORT
 114 #else
 115     #define _EXPORT _export
 116 #endif
 117
 118 #ifndef __WIN32__
 119     typedef signed short int SHORT;
 120 #endif
 121
 122 #if !defined(__WIN32__)  // 3.x uses FARPROC for dialogs
 123 #ifndef STRICT
 124     #define DLGPROC FARPROC
 125 #endif
 126 #endif
 127
 128 #if wxUSE_PENWIN
 129     WXDLLEXPORT void wxRegisterPenWin();
 130     WXDLLEXPORT void wxCleanUpPenWin();
 131     WXDLLEXPORT void wxEnablePenAppHooks (bool hook);
 132 #endif // wxUSE_PENWIN
 133
 134 #if wxUSE_ITSY_BITSY
 135     #define IBS_HORZCAPTION    0x4000L
 136     #define IBS_VERTCAPTION    0x8000L
 137
 138     UINT    WINAPI ibGetCaptionSize( HWND hWnd  ) ;
 139     UINT    WINAPI ibSetCaptionSize( HWND hWnd, UINT nSize ) ;
 140     LRESULT WINAPI ibDefWindowProc( HWND hWnd, UINT uiMsg, WPARAM wParam, LPARAM lParam ) ;
 141     VOID    WINAPI ibAdjustWindowRect( HWND hWnd, LPRECT lprc ) ;
 142 #endif // wxUSE_ITSY_BITSY
 143
 144 #if wxUSE_CTL3D
 145     #include "wx/msw/ctl3d/ctl3d.h"
 146 #endif // wxUSE_CTL3D
 147
 148 /*
 149  * Decide what window classes we're going to use
 150  * for this combination of CTl3D/FAFA settings
 151  */
 152
 153 #define STATIC_CLASS     wxT("STATIC")
 154 #define STATIC_FLAGS     (SS_LEFT|WS_CHILD|WS_VISIBLE)
 155 #define CHECK_CLASS      wxT("BUTTON")
 156 #define CHECK_FLAGS      (BS_AUTOCHECKBOX|WS_TABSTOP|WS_CHILD)
 157 #define CHECK_IS_FAFA   FALSE
 158 #define RADIO_CLASS      wxT("BUTTON")
 159 #define RADIO_FLAGS      (BS_AUTORADIOBUTTON|WS_CHILD|WS_VISIBLE)
 160 #define RADIO_SIZE       20
 161 #define RADIO_IS_FAFA   FALSE
 162 #define PURE_WINDOWS
 163 #define GROUP_CLASS      wxT("BUTTON")
 164 #define GROUP_FLAGS      (BS_GROUPBOX|WS_CHILD|WS_VISIBLE)
 165
 166 /*
 167 #define BITCHECK_FLAGS   (FB_BITMAP|FC_BUTTONDRAW|FC_DEFAULT|WS_VISIBLE)
 168 #define BITRADIO_FLAGS   (FC_BUTTONDRAW|FB_BITMAP|FC_RADIO|WS_CHILD|WS_VISIBLE)
 169 */
 170
 171 // ---------------------------------------------------------------------------
 172 // misc macros
 173 // ---------------------------------------------------------------------------
 174
 175 #define MEANING_CHARACTER '0'
 176 #define DEFAULT_ITEM_WIDTH  100
 177 #define DEFAULT_ITEM_HEIGHT 80
 178
 179 // Scale font to get edit control height
 180 #define EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy)    (3*(cy)/2)
 181
 182 // Generic subclass proc, for panel item moving/sizing and intercept
 183 // EDIT control VK_RETURN messages
 184 extern LONG APIENTRY _EXPORT
 185   wxSubclassedGenericControlProc(WXHWND hWnd, WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
 186
 187 // ---------------------------------------------------------------------------
 188 // constants which might miss from some compilers' headers
 189 // ---------------------------------------------------------------------------
 190
 191 #if !defined(__WIN32__) && !defined(WS_EX_CLIENTEDGE)
 192     #define WS_EX_CLIENTEDGE 0
 193 #endif
 194
 195 #if defined(__WIN32__) && !defined(WS_EX_CLIENTEDGE)
 196     #define WS_EX_CLIENTEDGE 0x00000200L
 197 #endif
 198
 199 #ifndef ENDSESSION_LOGOFF
 200     #define ENDSESSION_LOGOFF    0x80000000
 201 #endif
 202
 203 // ---------------------------------------------------------------------------
 204 // useful macros and functions
 205 // ---------------------------------------------------------------------------
 206
 207 // a wrapper macro for ZeroMemory()
 208 #ifdef __WIN32__
 209 #define wxZeroMemory(obj)   ::ZeroMemory(&obj, sizeof(obj))
 210 #else
 211 #define wxZeroMemory(obj)   memset((void*) & obj, 0, sizeof(obj))
 212 #endif
 213
 214 #include <wx/gdicmn.h>
 215
 216 // make conversion from wxColour and COLORREF a bit less painful
 217 inline COLORREF wxColourToRGB(const wxColour& c)
 218 {
 219     return RGB(c.Red(), c.Green(), c.Blue());
 220 }
 221
 222 inline void wxRGBToColour(wxColour& c, COLORREF rgb)
 223 {
 224     c.Set(GetRValue(rgb), GetGValue(rgb), GetBValue(rgb));
 225 }
 226
 227 // translations between HIMETRIC units (which OLE likes) and pixels (which are
 228 // liked by all the others) - implemented in msw/utilsexc.cpp
 229 extern void HIMETRICToPixel(LONG *x, LONG *y);
 230 extern void PixelToHIMETRIC(LONG *x, LONG *y);
 231
 232 // ---------------------------------------------------------------------------
 233 // small helper classes
 234 // ---------------------------------------------------------------------------
 235
 236 // create an instance of this class and use it as the HDC for screen, will
 237 // automatically release the DC going out of scope
 238 class ScreenHDC
 239 {
 240 public:
 241     ScreenHDC() { m_hdc = GetDC(NULL);    }
 242    ~ScreenHDC() { ReleaseDC(NULL, m_hdc); }
 243     operator HDC() const { return m_hdc;  }
 244
 245 private:
 246     HDC m_hdc;
 247 };
 248
 249 // ---------------------------------------------------------------------------
 250 // macros to make casting between WXFOO and FOO a bit easier: the GetFoo()
 251 // returns Foo cast to the Windows type for oruselves, while GetFooOf() takes
 252 // an argument which should be a pointer or reference to the object of the
 253 // corresponding class (this depends on the macro)
 254 // ---------------------------------------------------------------------------
 255
 256 #define GetHwnd()               ((HWND)GetHWND())
 257 #define GetHwndOf(win)          ((HWND)((win)->GetHWND()))
 258 // old name
 259 #define GetWinHwnd              GetHwndOf
 260
 261 #define GetHdc()                ((HDC)GetHDC())
 262 #define GetHdcOf(dc)            ((HDC)(dc).GetHDC())
 263
 264 #define GetHbitmap()            ((HBITMAP)GetHBITMAP())
 265 #define GetHbitmapOf(bmp)       ((HBITMAP)(bmp).GetHBITMAP())
 266
 267 #define GetHicon()              ((HICON)GetHICON())
 268 #define GetHiconOf(icon)        ((HICON)(icon).GetHICON())
 269
 270 #define GetHaccel()             ((HACCEL)GetHACCEL())
 271 #define GetHaccelOf(table)      ((HACCEL)((table).GetHACCEL()))
 272
 273 #define GetHmenu()              ((HMENU)GetHMenu())
 274 #define GetHmenuOf(menu)        ((HMENU)menu->GetHMenu())
 275
 276 // ---------------------------------------------------------------------------
 277 // global data
 278 // ---------------------------------------------------------------------------
 279
 280 #if 0 // where is this??
 281 // The MakeProcInstance version of the function wxSubclassedGenericControlProc
 282 WXDLLEXPORT_DATA(extern FARPROC) wxGenericControlSubClassProc;
 283 #endif // 0
 284
 285 WXDLLEXPORT_DATA(extern wxChar*) wxBuffer;
 286
 287 WXDLLEXPORT_DATA(extern HINSTANCE) wxhInstance;
 288
 289 // ---------------------------------------------------------------------------
 290 // global functions
 291 // ---------------------------------------------------------------------------
 292
 293 extern "C"
 294 {
 295     WXDLLEXPORT HINSTANCE wxGetInstance();
 296 }
 297
 298 WXDLLEXPORT void wxSetInstance(HINSTANCE hInst);
 299
 300 #if wxUSE_GUI
 301
 302 WXDLLEXPORT wxWindow* wxFindWinFromHandle(WXHWND hWnd);
 303
 304 WXDLLEXPORT void wxGetCharSize(WXHWND wnd, int *x, int *y, const wxFont *the_font);
 305 WXDLLEXPORT void wxFillLogFont(LOGFONT *logFont, const wxFont *font);
 306 WXDLLEXPORT wxFont wxCreateFontFromLogFont(const LOGFONT *logFont);
 307
 308 WXDLLEXPORT void wxSliderEvent(WXHWND control, WXWORD wParam, WXWORD pos);
 309 WXDLLEXPORT void wxScrollBarEvent(WXHWND hbar, WXWORD wParam, WXWORD pos);
 310
 311 // Find maximum size of window/rectangle
 312 WXDLLEXPORT extern void wxFindMaxSize(WXHWND hwnd, RECT *rect);
 313
 314 WXDLLEXPORT wxWindow* wxFindControlFromHandle(WXHWND hWnd);
 315 WXDLLEXPORT void wxAddControlHandle(WXHWND hWnd, wxWindow *item);
 316
 317 // Safely get the window text (i.e. without using fixed size buffer)
 318 WXDLLEXPORT extern wxString wxGetWindowText(WXHWND hWnd);
 319
 320 // get the window class name
 321 WXDLLEXPORT extern wxString wxGetWindowClass(WXHWND hWnd);
 322
 323 // get the window id (should be unsigned, hence this is not wxWindowID which
 324 // is, for mainly historical reasons, signed)
 325 WXDLLEXPORT extern WXWORD wxGetWindowId(WXHWND hWnd);
 326
 327 // Does this window style specify any border?
 328 inline bool wxStyleHasBorder(long style)
 329 {
 330   return (style & (wxSIMPLE_BORDER | wxRAISED_BORDER |
 331                    wxSUNKEN_BORDER | wxDOUBLE_BORDER)) != 0;
 332 }
 333
 334 #endif // wxUSE_GUI
 335
 336 #endif
 337     // _WX_PRIVATE_H_