X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/621ae68a1335cc0f5c99a5d9de88fbb0e8b8d515..9bb1b0554014ee7f1e482d64c899ecef0391e74b:/include/wx/msw/private.h

diff --git a/include/wx/msw/private.h b/include/wx/msw/private.h
index 3881c31250..c017a715f7 100644
--- a/include/wx/msw/private.h
+++ b/include/wx/msw/private.h
@@ -1,6 +1,8 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        private.h
-// Purpose:     Private declarations
+// Purpose:     Private declarations: as this header is only included by
+//              wxWindows itself, it may contain identifiers which don't start
+//              with "wx".
 // Author:      Julian Smart
 // Modified by:
 // Created:     01/02/97
@@ -12,18 +14,57 @@
 #ifndef _WX_PRIVATE_H_
 #define _WX_PRIVATE_H_
 
-#include "wx/defs.h"
+#ifndef STRICT
+    #define STRICT 1
+#endif
 
 #include <windows.h>
 
-#define VIEWPORT_EXTENT 1000
 
-class WXDLLEXPORT wxFont ;
+#if defined (__WXWINCE__)
+    #include <wingdi.h>     // RGB, COLORREF
+    #include <winuser.h>    // Global Namespaces ::GetKeyState, ::GetWindowRect
+#endif
 
-WXDLLEXPORT void wxGetCharSize(WXHWND wnd, int *x, int *y,wxFont *the_font);
-WXDLLEXPORT void wxSliderEvent(WXHWND control, WXWORD wParam, WXWORD pos);
-WXDLLEXPORT wxWindow* wxFindWinFromHandle(WXHWND hWnd);
-WXDLLEXPORT void wxScrollBarEvent(WXHWND hbar, WXWORD wParam, WXWORD pos);
+
+#ifdef __WXMICROWIN__
+    // Extra prototypes and symbols not defined by MicroWindows
+    #include "wx/msw/microwin.h"
+#endif
+
+// undefine conflicting symbols which were defined in windows.h
+#include "wx/msw/winundef.h"
+
+// Include fixes for MSLU:
+#include "wx/msw/mslu.h"
+
+#include "wx/log.h"
+
+class WXDLLEXPORT wxFont;
+class WXDLLEXPORT wxWindow;
+
+// ---------------------------------------------------------------------------
+// private constants
+// ---------------------------------------------------------------------------
+
+// Conversion
+static const double METRIC_CONVERSION_CONSTANT = 0.0393700787;
+
+// Scaling factors for various unit conversions
+static const double mm2inches = (METRIC_CONVERSION_CONSTANT);
+static const double inches2mm = (1/METRIC_CONVERSION_CONSTANT);
+
+static const double mm2twips = (METRIC_CONVERSION_CONSTANT*1440);
+static const double twips2mm = (1/(METRIC_CONVERSION_CONSTANT*1440));
+
+static const double mm2pt = (METRIC_CONVERSION_CONSTANT*72);
+static const double pt2mm = (1/(METRIC_CONVERSION_CONSTANT*72));
+
+// ---------------------------------------------------------------------------
+// standard icons from the resources
+// ---------------------------------------------------------------------------
+
+#if wxUSE_GUI
 
 WXDLLEXPORT_DATA(extern HICON) wxSTD_FRAME_ICON;
 WXDLLEXPORT_DATA(extern HICON) wxSTD_MDIPARENTFRAME_ICON;
@@ -33,105 +74,91 @@ WXDLLEXPORT_DATA(extern HICON) wxDEFAULT_MDIPARENTFRAME_ICON;
 WXDLLEXPORT_DATA(extern HICON) wxDEFAULT_MDICHILDFRAME_ICON;
 WXDLLEXPORT_DATA(extern HFONT) wxSTATUS_LINE_FONT;
 
-WXDLLEXPORT HINSTANCE wxGetInstance();
-WXDLLEXPORT void wxSetInstance(HINSTANCE hInst);
-WXDLLEXPORT void wxFillLogFont(LOGFONT *logFont, wxFont *font);
-WXDLLEXPORT wxFont wxCreateFontFromLogFont(LOGFONT *logFont); // , bool createNew = TRUE);
+#endif // wxUSE_GUI
+
+// ---------------------------------------------------------------------------
+// define things missing from some compilers' headers
+// ---------------------------------------------------------------------------
 
-#ifdef __GNUWIN32__
-#  define CASTWNDPROC (long unsigned)
+#if defined(__GNUWIN32__) && !wxUSE_NORLANDER_HEADERS
+#ifndef ZeroMemory
+    inline void ZeroMemory(void *buf, size_t len) { memset(buf, 0, len); }
+#endif
+#endif // old mingw32
+
+// this defines a CASTWNDPROC macro which casts a pointer to the type of a
+// window proc
+#if defined(__WXWINCE__)
+    typedef FARPROC WndProcCast;
+#elif defined(STRICT) || defined(__GNUC__)
+    typedef WNDPROC WndProcCast;
 #else
-#  ifdef __BORLANDC__
-
-#  ifdef __WIN32__
-#    define CASTWNDPROC
-#  else
-       typedef int (pascal * WndProcCast) ();
-#      define CASTWNDPROC (WndProcCast)
-#  endif
-
-#  else
-#    if defined (__WIN32__) && defined(STRICT)
-       typedef long (_stdcall * WndProcCast) (HWND, unsigned int, unsigned int, long);
-#      define CASTWNDPROC (WndProcCast)
-#    elif defined(__WIN16__)
-#    ifdef __BORLANDC__
-       typedef int (pascal * WndProcCast) ();
-#      define CASTWNDPROC (WndProcCast)
-#    else
-       typedef int (PASCAL * WndProcCast) ();
-#      define CASTWNDPROC (WndProcCast)
-#    endif
-#    else
-#      define CASTWNDPROC
-#    endif
-#  endif
+    typedef FARPROC WndProcCast;
 #endif
 
+
+#define CASTWNDPROC (WndProcCast)
+
+// ---------------------------------------------------------------------------
+// some stuff for old Windows versions (FIXME: what does it do here??)
+// ---------------------------------------------------------------------------
+
 #if !defined(APIENTRY)  // NT defines APIENTRY, 3.x not
-#define APIENTRY FAR PASCAL
+    #define APIENTRY FAR PASCAL
 #endif
 
 #ifdef __WIN32__
-#define _EXPORT /**/
+    #define _EXPORT
 #else
-#define _EXPORT _export
-typedef signed short int SHORT ;
+    #define _EXPORT _export
+#endif
+
+#ifndef __WIN32__
+    typedef signed short int SHORT;
 #endif
 
 #if !defined(__WIN32__)  // 3.x uses FARPROC for dialogs
-#define DLGPROC FARPROC
+#ifndef STRICT
+    #define DLGPROC FARPROC
+#endif
 #endif
 
 #if wxUSE_PENWIN
-WXDLLEXPORT void wxRegisterPenWin();
-WXDLLEXPORT void wxCleanUpPenWin();
-WXDLLEXPORT void wxEnablePenAppHooks (bool hook);
-#endif
+    WXDLLEXPORT void wxRegisterPenWin();
+    WXDLLEXPORT void wxCleanUpPenWin();
+    WXDLLEXPORT void wxEnablePenAppHooks (bool hook);
+#endif // wxUSE_PENWIN
 
 #if wxUSE_ITSY_BITSY
-#define IBS_HORZCAPTION    0x4000L
-#define IBS_VERTCAPTION    0x8000L
-
-UINT    WINAPI ibGetCaptionSize( HWND hWnd  ) ;
-UINT    WINAPI ibSetCaptionSize( HWND hWnd, UINT nSize ) ;
-LRESULT WINAPI ibDefWindowProc( HWND hWnd, UINT uiMsg, WPARAM wParam, LPARAM lParam ) ;
-VOID    WINAPI ibAdjustWindowRect( HWND hWnd, LPRECT lprc ) ;
-#endif
+    #define IBS_HORZCAPTION    0x4000L
+    #define IBS_VERTCAPTION    0x8000L
 
-/* When implementing a new item, be sure to:
- *
- * - add the item to the parent panel
- * - set window_parent to the parent
- * - NULL any extra child window pointers not created for this item
- *   (e.g. label control that wasn't needed)
- * - delete any extra child windows in the destructor (e.g. label control)
- * - implement DoSetSize
- * - to find panel position if coordinates are (-1, -1), use GetPosition
- * - call AdvanceCursor after creation, for panel layout mechanism.
- *
- */
+    UINT    WINAPI ibGetCaptionSize( HWND hWnd  ) ;
+    UINT    WINAPI ibSetCaptionSize( HWND hWnd, UINT nSize ) ;
+    LRESULT WINAPI ibDefWindowProc( HWND hWnd, UINT uiMsg, WPARAM wParam, LPARAM lParam ) ;
+    VOID    WINAPI ibAdjustWindowRect( HWND hWnd, LPRECT lprc ) ;
+#endif // wxUSE_ITSY_BITSY
 
 #if wxUSE_CTL3D
-#include <wx/msw/ctl3d/ctl3d.h>
-#endif
+    #include "wx/msw/ctl3d/ctl3d.h"
+#endif // wxUSE_CTL3D
 
 /*
  * Decide what window classes we're going to use
  * for this combination of CTl3D/FAFA settings
  */
 
-#define STATIC_CLASS     "STATIC"
+#define STATIC_CLASS     wxT("STATIC")
 #define STATIC_FLAGS     (SS_LEFT|WS_CHILD|WS_VISIBLE)
-#define CHECK_CLASS      "BUTTON"
+#define CHECK_CLASS      wxT("BUTTON")
 #define CHECK_FLAGS      (BS_AUTOCHECKBOX|WS_TABSTOP|WS_CHILD)
 #define CHECK_IS_FAFA   FALSE
-#define RADIO_CLASS      "BUTTON"
+#define RADIO_CLASS      wxT("BUTTON")
 #define RADIO_FLAGS      (BS_AUTORADIOBUTTON|WS_CHILD|WS_VISIBLE)
 #define RADIO_SIZE       20
 #define RADIO_IS_FAFA   FALSE
 #define PURE_WINDOWS
-#define GROUP_CLASS      "BUTTON"
+#define GROUP_CLASS      wxT("BUTTON")
 #define GROUP_FLAGS      (BS_GROUPBOX|WS_CHILD|WS_VISIBLE)
 
 /*
@@ -139,61 +166,399 @@ VOID    WINAPI ibAdjustWindowRect( HWND hWnd, LPRECT lprc ) ;
 #define BITRADIO_FLAGS   (FC_BUTTONDRAW|FB_BITMAP|FC_RADIO|WS_CHILD|WS_VISIBLE)
 */
 
+// ---------------------------------------------------------------------------
+// misc macros
+// ---------------------------------------------------------------------------
+
 #define MEANING_CHARACTER '0'
-#define DEFAULT_ITEM_WIDTH  200
+#define DEFAULT_ITEM_WIDTH  100
 #define DEFAULT_ITEM_HEIGHT 80
 
 // Scale font to get edit control height
-#define EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy)    (3*(cy)/2)
+//#define EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy)    (3*(cy)/2)
+#define EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy)    (cy+8)
 
 // Generic subclass proc, for panel item moving/sizing and intercept
 // EDIT control VK_RETURN messages
 extern LONG APIENTRY _EXPORT
   wxSubclassedGenericControlProc(WXHWND hWnd, WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
 
-// Find maximum size of window/rectangle
-WXDLLEXPORT extern void wxFindMaxSize(WXHWND hwnd, RECT *rect);
+// ---------------------------------------------------------------------------
+// useful macros and functions
+// ---------------------------------------------------------------------------
+
+// a wrapper macro for ZeroMemory()
+#if defined(__WIN32__) && !defined(__WXMICROWIN__)
+#define wxZeroMemory(obj)   ::ZeroMemory(&obj, sizeof(obj))
+#else
+#define wxZeroMemory(obj)   memset((void*) & obj, 0, sizeof(obj))
+#endif
+
+#if wxUSE_GUI
+
+#include <wx/gdicmn.h>
+#include <wx/colour.h>
+
+// make conversion from wxColour and COLORREF a bit less painful
+inline COLORREF wxColourToRGB(const wxColour& c)
+{
+    return RGB(c.Red(), c.Green(), c.Blue());
+}
+
+inline COLORREF wxColourToPalRGB(const wxColour& c)
+{
+    return PALETTERGB(c.Red(), c.Green(), c.Blue());
+}
+
+inline wxColour wxRGBToColour(COLORREF rgb)
+{
+    return wxColour(GetRValue(rgb), GetGValue(rgb), GetBValue(rgb));
+}
+
+inline void wxRGBToColour(wxColour& c, COLORREF rgb)
+{
+    c.Set(GetRValue(rgb), GetGValue(rgb), GetBValue(rgb));
+}
+
+// get the standard colour map for some standard colours - see comment in this
+// function to understand why is it needed and when should it be used
+//
+// it returns a wxCOLORMAP (can't use COLORMAP itself here as comctl32.dll
+// might be not included/available) array of size wxSTD_COLOUR_MAX
+//
+// NB: if you change these colours, update wxBITMAP_STD_COLOURS in the
+//     resources as well: it must have the same number of pixels!
+enum wxSTD_COLOUR
+{
+    wxSTD_COL_BTNTEXT,
+    wxSTD_COL_BTNSHADOW,
+    wxSTD_COL_BTNFACE,
+    wxSTD_COL_BTNHIGHLIGHT,
+    wxSTD_COL_MAX,
+};
+
+struct WXDLLEXPORT wxCOLORMAP
+{
+    COLORREF from, to;
+};
+
+// this function is implemented in src/msw/window.cpp
+extern wxCOLORMAP *wxGetStdColourMap();
+
+// copy Windows RECT to our wxRect
+inline void wxCopyRECTToRect(const RECT& r, wxRect& rect)
+{
+    rect.y = r.top;
+    rect.x = r.left;
+    rect.width = r.right - r.left;
+    rect.height = r.bottom - r.top;
+}
+
+// translations between HIMETRIC units (which OLE likes) and pixels (which are
+// liked by all the others) - implemented in msw/utilsexc.cpp
+extern void HIMETRICToPixel(LONG *x, LONG *y);
+extern void PixelToHIMETRIC(LONG *x, LONG *y);
+
+// Windows convention of the mask is opposed to the wxWindows one, so we need
+// to invert the mask each time we pass one/get one to/from Windows
+extern HBITMAP wxInvertMask(HBITMAP hbmpMask, int w = 0, int h = 0);
+
+// Creates an icon or cursor depending from a bitmap
+//
+// The bitmap must be valid and it should have a mask. If it doesn't, a default
+// mask is created using light grey as the transparent colour.
+extern HICON wxBitmapToHICON(const wxBitmap& bmp);
+
+// Same requirments as above apply and the bitmap must also have the correct
+// size.
+extern
+HCURSOR wxBitmapToHCURSOR(const wxBitmap& bmp, int hotSpotX, int hotSpotY);
+
+// get (x, y) from DWORD - notice that HI/LOWORD can *not* be used because they
+// will fail on system with multiple monitors where the coords may be negative
+//
+// these macros are standard now (Win98) but some older headers don't have them
+#ifndef GET_X_LPARAM
+    #define GET_X_LPARAM(lp) ((int)(short)LOWORD(lp))
+    #define GET_Y_LPARAM(lp) ((int)(short)HIWORD(lp))
+#endif // GET_X_LPARAM
+
+// get the current state of SHIFT/CTRL keys
+inline bool wxIsShiftDown()
+{
+//    return (::GetKeyState(VK_SHIFT) & 0x100) != 0;
+    // Returns different negative values on WinME and WinNT,
+    // so simply test for negative value.
+    return ::GetKeyState(VK_SHIFT) < 0;
+}
+
+inline bool wxIsCtrlDown()
+{
+//    return (::GetKeyState(VK_CONTROL) & 0x100) != 0;
+    // Returns different negative values on WinME and WinNT,
+    // so simply test for negative value.
+    return ::GetKeyState(VK_CONTROL) < 0;
+}
+
+// wrapper around GetWindowRect() and GetClientRect() APIs doing error checking
+// for Win32
+inline RECT wxGetWindowRect(HWND hwnd)
+{
+    RECT rect;
+#ifdef __WIN16__
+    ::GetWindowRect(hwnd, &rect);
+#else // Win32
+    if ( !::GetWindowRect(hwnd, &rect) )
+    {
+        wxLogLastError(_T("GetWindowRect"));
+    }
+#endif // Win16/32
+
+    return rect;
+}
+
+inline RECT wxGetClientRect(HWND hwnd)
+{
+    RECT rect;
+#ifdef __WIN16__
+    ::GetClientRect(hwnd, &rect);
+#else // Win32
+    if ( !::GetClientRect(hwnd, &rect) )
+    {
+        wxLogLastError(_T("GetClientRect"));
+    }
+#endif // Win16/32
+
+    return rect;
+}
+
+// ---------------------------------------------------------------------------
+// small helper classes
+// ---------------------------------------------------------------------------
+
+// a template to make initializing Windows styructs less painful: it zeroes all
+// the struct fields and also sets cbSize member to the correct value (and so
+// can be only used with structures which have this member...)
+template <class T>
+struct WinStruct : public T
+{
+    WinStruct()
+    {
+        ::ZeroMemory(this, sizeof(T));
+        cbSize = sizeof(T);
+    }
+};
+
+
+// create an instance of this class and use it as the HDC for screen, will
+// automatically release the DC going out of scope
+class ScreenHDC
+{
+public:
+    ScreenHDC() { m_hdc = ::GetDC(NULL);    }
+   ~ScreenHDC() { ::ReleaseDC(NULL, m_hdc); }
+
+    operator HDC() const { return m_hdc; }
+
+private:
+    HDC m_hdc;
+
+    DECLARE_NO_COPY_CLASS(ScreenHDC)
+};
+
+// the same as ScreenHDC but for memory DCs: creates the HDC compatible with
+// the given one (screen by default) in ctor and destroys it in dtor
+class MemoryHDC
+{
+public:
+    MemoryHDC(HDC hdc = 0) { m_hdc = ::CreateCompatibleDC(hdc); }
+   ~MemoryHDC() { ::DeleteDC(m_hdc); }
+
+    operator HDC() const { return m_hdc; }
+
+private:
+    HDC m_hdc;
+
+    DECLARE_NO_COPY_CLASS(MemoryHDC)
+};
+
+// a class which selects a GDI object into a DC in its ctor and deselects in
+// dtor
+class SelectInHDC
+{
+public:
+    SelectInHDC(HDC hdc, HGDIOBJ hgdiobj) : m_hdc(hdc)
+        { m_hgdiobj = ::SelectObject(hdc, hgdiobj); }
+
+   ~SelectInHDC() { ::SelectObject(m_hdc, m_hgdiobj); }
+
+   // return true if the object was successfully selected
+   operator bool() const { return m_hgdiobj != 0; }
+
+private:
+   HDC m_hdc;
+   HGDIOBJ m_hgdiobj;
+
+   DECLARE_NO_COPY_CLASS(SelectInHDC)
+};
+
+// when working with global pointers (which is unfortunately still necessary
+// sometimes, e.g. for clipboard) it is important to unlock them exactly as
+// many times as we lock them which just asks for using a "smart lock" class
+class GlobalPtr
+{
+public:
+    GlobalPtr(HGLOBAL hGlobal) : m_hGlobal(hGlobal)
+    {
+        m_ptr = ::GlobalLock(hGlobal);
+        if ( !m_ptr )
+        {
+            wxLogLastError(_T("GlobalLock"));
+        }
+    }
+
+    ~GlobalPtr()
+    {
+        if ( !::GlobalUnlock(m_hGlobal) )
+        {
+#ifdef __WXDEBUG__
+            // this might happen simply because the block became unlocked
+            DWORD dwLastError = ::GetLastError();
+            if ( dwLastError != NO_ERROR )
+            {
+                wxLogApiError(_T("GlobalUnlock"), dwLastError);
+            }
+#endif // __WXDEBUG__
+        }
+    }
+
+    operator void *() const { return m_ptr; }
+
+private:
+    HGLOBAL m_hGlobal;
+    void *m_ptr;
+
+    DECLARE_NO_COPY_CLASS(GlobalPtr)
+};
+
+// ---------------------------------------------------------------------------
+// macros to make casting between WXFOO and FOO a bit easier: the GetFoo()
+// returns Foo cast to the Windows type for oruselves, while GetFooOf() takes
+// an argument which should be a pointer or reference to the object of the
+// corresponding class (this depends on the macro)
+// ---------------------------------------------------------------------------
+
+#define GetHwnd()               ((HWND)GetHWND())
+#define GetHwndOf(win)          ((HWND)((win)->GetHWND()))
+// old name
+#define GetWinHwnd              GetHwndOf
+
+#define GetHdc()                ((HDC)GetHDC())
+#define GetHdcOf(dc)            ((HDC)(dc).GetHDC())
+
+#define GetHbitmap()            ((HBITMAP)GetHBITMAP())
+#define GetHbitmapOf(bmp)       ((HBITMAP)(bmp).GetHBITMAP())
+
+#define GetHicon()              ((HICON)GetHICON())
+#define GetHiconOf(icon)        ((HICON)(icon).GetHICON())
+
+#define GetHaccel()             ((HACCEL)GetHACCEL())
+#define GetHaccelOf(table)      ((HACCEL)((table).GetHACCEL()))
+
+#define GetHmenu()              ((HMENU)GetHMenu())
+#define GetHmenuOf(menu)        ((HMENU)menu->GetHMenu())
+
+#define GetHcursor()            ((HCURSOR)GetHCURSOR())
+#define GetHcursorOf(cursor)    ((HCURSOR)(cursor).GetHCURSOR())
+
+#define GetHfont()              ((HFONT)GetHFONT())
+#define GetHfontOf(font)        ((HFONT)(font).GetHFONT())
+
+#define GetHpalette()           ((HPALETTE)GetHPALETTE())
+#define GetHpaletteOf(pal)      ((HPALETTE)(pal).GetHPALETTE())
+
+#define GetHrgn()               ((HRGN)GetHRGN())
+#define GetHrgnOf(rgn)          ((HRGN)(rgn).GetHRGN())
+
+#endif // wxUSE_GUI
+
+// ---------------------------------------------------------------------------
+// global data
+// ---------------------------------------------------------------------------
 
-// List of scrollbar controls
-WXDLLEXPORT_DATA(extern wxList) wxScrollBarList;
-// The MakeProcInstance version of the function wxSubclassedGenericControlProc
-WXDLLEXPORT_DATA(extern FARPROC) wxGenericControlSubClassProc;
 WXDLLEXPORT_DATA(extern wxChar*) wxBuffer;
+
 WXDLLEXPORT_DATA(extern HINSTANCE) wxhInstance;
 
-WXDLLEXPORT wxWindow* wxFindControlFromHandle(WXHWND hWnd);
-WXDLLEXPORT void wxAddControlHandle(WXHWND hWnd, wxWindow *item);
+// ---------------------------------------------------------------------------
+// global functions
+// ---------------------------------------------------------------------------
+
+extern "C"
+{
+    WXDLLEXPORT HINSTANCE wxGetInstance();
+}
+
+WXDLLEXPORT void wxSetInstance(HINSTANCE hInst);
+
+#if wxUSE_GUI
+
+// cursor stuff
+extern HCURSOR wxGetCurrentBusyCursor();    // from msw/utils.cpp
+extern const wxCursor *wxGetGlobalCursor(); // from msw/cursor.cpp
+
+WXDLLEXPORT void wxGetCharSize(WXHWND wnd, int *x, int *y, const wxFont *the_font);
+WXDLLEXPORT void wxFillLogFont(LOGFONT *logFont, const wxFont *font);
+WXDLLEXPORT wxFont wxCreateFontFromLogFont(const LOGFONT *logFont);
+WXDLLEXPORT wxFontEncoding wxGetFontEncFromCharSet(int charset);
+
+WXDLLEXPORT void wxSliderEvent(WXHWND control, WXWORD wParam, WXWORD pos);
+WXDLLEXPORT void wxScrollBarEvent(WXHWND hbar, WXWORD wParam, WXWORD pos);
+
+// Find maximum size of window/rectangle
+WXDLLEXPORT extern void wxFindMaxSize(WXHWND hwnd, RECT *rect);
 
 // Safely get the window text (i.e. without using fixed size buffer)
 WXDLLEXPORT extern wxString wxGetWindowText(WXHWND hWnd);
 
+// get the window class name
+WXDLLEXPORT extern wxString wxGetWindowClass(WXHWND hWnd);
+
+// get the window id (should be unsigned, hence this is not wxWindowID which
+// is, for mainly historical reasons, signed)
+WXDLLEXPORT extern WXWORD wxGetWindowId(WXHWND hWnd);
+
+// check if hWnd's WNDPROC is wndProc. Return true if yes, false if they are
+// different
+WXDLLEXPORT extern bool wxCheckWindowWndProc(WXHWND hWnd, WXFARPROC wndProc);
+
 // Does this window style specify any border?
 inline bool wxStyleHasBorder(long style)
 {
-  return (style & (wxSIMPLE_BORDER | wxRAISED_BORDER |
-                   wxSUNKEN_BORDER | wxDOUBLE_BORDER)) != 0;
+    return (style & (wxSIMPLE_BORDER | wxRAISED_BORDER |
+                     wxSUNKEN_BORDER | wxDOUBLE_BORDER)) != 0;
 }
 
-#if !defined(__WIN32__) && !defined(WS_EX_CLIENTEDGE)
-  #define WS_EX_CLIENTEDGE 0
-#endif
+// ----------------------------------------------------------------------------
+// functions mapping HWND to wxWindow
+// ----------------------------------------------------------------------------
 
-#if defined(__WIN32__) && !defined(WS_EX_CLIENTEDGE)
-  #define WS_EX_CLIENTEDGE 0x00000200L
-#endif
+// this function simply checks whether the given hWnd corresponds to a wxWindow
+// and returns either that window if it does or NULL otherwise
+WXDLLEXPORT extern wxWindow* wxFindWinFromHandle(WXHWND hWnd);
 
-#if defined(__WIN95__) && defined(__WXDEBUG__) && wxUSE_DBWIN32
+// find the window for HWND which is part of some wxWindow, i.e. unlike
+// wxFindWinFromHandle() above it will also work for "sub controls" of a
+// wxWindow.
+//
+// returns the wxWindow corresponding to the given HWND or NULL.
+WXDLLEXPORT extern wxWindow *wxGetWindowFromHWND(WXHWND hwnd);
 
-#ifndef __TWIN32__
-#ifdef OutputDebugString
-#undef OutputDebugString
-#endif
 
-#define OutputDebugString OutputDebugStringW95
-#endif
+// Get the size of an icon
+WXDLLEXPORT extern wxSize wxGetHiconSize(HICON hicon);
 
-extern void OutputDebugStringW95(const char*, ...);
-#endif
+#endif // wxUSE_GUI
 
 #endif
     // _WX_PRIVATE_H_