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