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+// Win32++ Version 7.2
+// Released: 5th AUgust 2011
+//
+// David Nash
+// email: dnash@bigpond.net.au
+// url: https://sourceforge.net/projects/win32-framework
+//
+//
+// Copyright (c) 2005-2011 David Nash
+//
+// Permission is hereby granted, free of charge, to
+// any person obtaining a copy of this software and
+// associated documentation files (the "Software"),
+// to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify,
+// merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom
+// the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice
+// shall be included in all copies or substantial portions
+// of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
+// ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
+// TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
+// PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
+// SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
+// ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
+// OR OTHER DEALINGS IN THE SOFTWARE.
+//
+////////////////////////////////////////////////////////
+
+#ifndef _WIN32XX_WINUTILS_H_
+#define _WIN32XX_WINUTILS_H_
+
+
+// define useful macros from WindowsX.h
+#ifndef GET_X_LPARAM
+ #define GET_X_LPARAM(lp) ((int)(short)LOWORD(lp))
+#endif
+#ifndef GET_Y_LPARAM
+ #define GET_Y_LPARAM(lp) ((int)(short)HIWORD(lp))
+#endif
+
+// Define our own MIN and MAX macros
+// this avoids inconsistencies with Dev-C++ and other compilers, and
+// avoids conflicts between typical min/max macros and std::min/std::max
+#define MAX(a,b) (((a) > (b)) ? (a) : (b))
+#define MIN(a,b) (((a) < (b)) ? (a) : (b))
+
+
+namespace Win32xx
+{
+ // Forward declarations
+ class CPoint;
+ class CRect;
+ CWinApp* GetApp();
+ void TRACE(LPCTSTR str);
+
+
+ /////////////////////////////////////////
+ // Definition of the CSize class
+ // This class can be used to replace the SIZE structure
+ class CSize : public SIZE
+ {
+ public:
+ CSize() { cx = 0; cy = 0; }
+ CSize(int CX, int CY) { cx = CX; cy = CY; }
+ CSize(SIZE sz) { cx = sz.cx; cy = sz.cy; }
+ CSize(POINT pt) { cx = pt.x; cy = pt.y; }
+ CSize(DWORD dw) { cx = (short)LOWORD(dw); cy = (short)HIWORD(dw); }
+ void SetSize(int CX, int CY) { cx = CX; cy = CY; }
+
+ // Operators
+ operator LPSIZE() { return this; }
+ BOOL operator == (SIZE sz) const { return (cx == sz.cx && cy == sz.cy); }
+ BOOL operator != (SIZE sz) const { return (cx != sz.cx || cy != sz.cy); }
+ void operator += (SIZE sz) { cx += sz.cx; cy += sz.cy; }
+ void operator -= (SIZE sz) { cx -= sz.cx; cy -= sz.cy; }
+
+ // Operators returning CSize
+ CSize operator - () const { return CSize (-cx, -cy); }
+ CSize operator + (SIZE sz) const { return CSize (cx + sz.cx, cy + sz.cy); }
+ CSize operator - (SIZE sz) const { return CSize (cx - sz.cx, cy - sz.cy); }
+
+ // Operators returning CPoint
+ CPoint operator + (POINT point) const;
+ CPoint operator - (POINT point) const;
+
+ // Operators returning CRect
+ CRect operator + (RECT rc) const;
+ CRect operator - (RECT rc) const;
+ };
+
+
+ /////////////////////////////////////////
+ // Definition of the CPoint class
+ // This class can be used to replace the POINT structure
+ class CPoint : public POINT
+ {
+ public:
+ CPoint() { x = 0; y = 0; }
+ CPoint(int X, int Y) { x = X; y = Y; }
+ CPoint(POINT pt) { x = pt.x ; y = pt.y; }
+ CPoint(POINTS pts) { x = pts.x; y = pts.y; }
+ CPoint(SIZE sz) { x = sz.cx; y = sz.cy; }
+ CPoint(DWORD dw) { x = (short) LOWORD(dw); y = (short) HIWORD(dw); }
+
+ void Offset(int dx, int dy) { x += dx; y += dy; }
+ void Offset(POINT pt) { x += pt.x; y += pt.y; }
+ void Offset(SIZE sz) { x += sz.cx; y += sz.cy; }
+ void SetPoint(int X, int Y) { x = X; y = Y; }
+
+ // Operators
+ operator LPPOINT() { return this; }
+ BOOL operator == (POINT pt) const { return ((x == pt.x) && (y == pt.y)); }
+ BOOL operator != (POINT pt) const { return ((x != pt.x) || (y != pt.y)); }
+ void operator += (SIZE sz) { x += sz.cx; y += sz.cy; }
+ void operator -= (SIZE sz) { x -= sz.cx; y -= sz.cy; }
+ void operator += (POINT pt) { x += pt.x; y += pt.y; }
+ void operator -= (POINT pt) { x -= pt.x; y -= pt.y; }
+
+ // Operators returning CPoint
+ CPoint operator - () const { return CPoint(-x, -y); }
+ CPoint operator + (SIZE sz) const { return CPoint(x + sz.cx, y + sz.cy); }
+ CPoint operator - (SIZE sz) const { return CPoint(x - sz.cx, y - sz.cy); }
+ CPoint operator + (POINT pt) const { return CPoint(x + pt.x, y + pt.y); }
+ CPoint operator - (POINT pt) const { return CPoint(x - pt.x, y - pt.y); }
+
+ // Operators returning CRect
+ CRect operator + (RECT rc) const;
+ CRect operator - (RECT rc) const;
+ };
+
+
+ /////////////////////////////////////////
+ // Definition of the CRect class
+ // This class can be used to replace the RECT structure.
+ class CRect : public RECT
+ {
+ public:
+ CRect() { left = top = right = bottom = 0; }
+ CRect(int l, int t, int r, int b) { left = l; top = t; right = r; bottom = b; }
+ CRect(RECT rc) { left = rc.left; top = rc.top; right = rc.right; bottom = rc.bottom; }
+ CRect(POINT pt, SIZE sz) { right = (left = pt.x) + sz.cx; bottom = (top = pt.y) + sz.cy; }
+ CRect(POINT topLeft, POINT bottomRight) { left = topLeft.x; top = topLeft.y; right = bottomRight.x; bottom = bottomRight.y; }
+
+ BOOL CopyRect(RECT rc) { return ::CopyRect(this, &rc); }
+ BOOL DeflateRect(int x, int y) { return ::InflateRect(this, -x, -y); }
+ BOOL DeflateRect(SIZE size) { return ::InflateRect(this, -size.cx, -size.cy); }
+ BOOL DeflateRect(RECT rc) { return ::InflateRect(this, rc.left - rc.right, rc.top - rc.bottom); }
+ BOOL DeflateRect(int l, int t, int r, int b){ return ::InflateRect(this, l - r, t - b); }
+ BOOL EqualRect(RECT rc) const { return ::EqualRect(&rc, this); }
+ BOOL InflateRect(int dx, int dy) { return ::InflateRect(this, dx, dy); }
+ BOOL InflateRect(SIZE sz) { return ::InflateRect(this, sz.cx, sz.cy); }
+ BOOL InflateRect(RECT rc) { return ::InflateRect(this, rc.right - rc.left, rc.bottom - rc.top); }
+ BOOL InflateRect(int l, int t, int r, int b){ return ::InflateRect(this, r - l, b - t); }
+ BOOL IntersectRect(RECT rc1, RECT rc2) { return ::IntersectRect(this, &rc1, &rc2); }
+ BOOL IsRectEmpty() const { return ::IsRectEmpty(this);}
+ BOOL IsRectNull() const { return (left == 0 && right == 0 && top == 0 && bottom == 0); }
+ CRect MulDiv(int nMult, int nDiv) const { return CRect ((left * nMult) / nDiv, (top * nMult) / nDiv,
+ (right * nMult) / nDiv, (bottom * nMult) / nDiv); }
+ void NormalizeRect() { int nTemp; if (left > right) { nTemp = left; left = right; right = nTemp; }
+ if (top > bottom) { nTemp = top; top = bottom; bottom = nTemp; } }
+ BOOL OffsetRect(int dx, int dy) { return ::OffsetRect(this, dx, dy); }
+ BOOL OffsetRect(POINT pt) { return ::OffsetRect(this, pt.x, pt.y); }
+ BOOL OffsetRect(SIZE size) { return ::OffsetRect(this, size.cx, size.cy); }
+ BOOL PtInRect(POINT pt) const { return ::PtInRect(this, pt); }
+ BOOL SetRect(int l, int t, int r, int b) { return ::SetRect(this, l, t, r, b); }
+ BOOL SetRect(POINT TopLeft, POINT BtmRight) { return ::SetRect(this, TopLeft.x, TopLeft.y, BtmRight.x, BtmRight.y); }
+ BOOL SetRectEmpty() { return ::SetRectEmpty(this); }
+ BOOL SubtractRect(RECT rc1, RECT rc2) { return ::SubtractRect(this, &rc1, &rc2); }
+ BOOL UnionRect(RECT rc1, RECT rc2) { return ::UnionRect(this, &rc1, &rc2); }
+
+ // Reposition rectangle
+ void MoveToX (int x) { right = Width() + x; left = x; }
+ void MoveToY (int y) { bottom = Height() + y; top = y; }
+ void MoveToXY (int x, int y) { MoveToX(x); MoveToY(y); }
+ void MoveToXY (POINT pt) { MoveToX (pt.x); MoveToY (pt.y); }
+
+ // Attributes
+ int Height() const { return bottom - top; }
+ int Width() const { return right - left; }
+ CSize Size() const { return CSize(Width(), Height()); }
+ CPoint CenterPoint() const { return CPoint((left + right) / 2, (top + bottom) / 2); }
+ CPoint TopLeft() const { return CPoint(left, top); }
+ CPoint BottomRight() const { return CPoint(right, bottom); }
+
+ // operators
+ operator LPRECT() { return this; }
+ BOOL operator == (RECT rc) const { return ::EqualRect(this, &rc); }
+ BOOL operator != (RECT rc) const { return !::EqualRect(this, &rc); }
+ void operator += (POINT pt) { ::OffsetRect(this, pt.x, pt.y); }
+ void operator += (SIZE size) { ::OffsetRect(this, size.cx, size.cy); }
+ void operator += (RECT rc) { ::InflateRect(this, rc.right - rc.left, rc.bottom - rc.top); }
+ void operator -= (RECT rc) { ::InflateRect(this, rc.left - rc.right, rc.top - rc.bottom); }
+ void operator -= (POINT pt) { ::OffsetRect(this, -pt.x, -pt.y); }
+ void operator -= (SIZE sz) { ::OffsetRect(this, -sz.cx, -sz.cy); }
+ void operator &= (RECT rc) { ::IntersectRect(this, this, &rc); }
+ void operator |= (RECT rc) { ::UnionRect(this, this, &rc); }
+
+ // Operators returning CRect
+ CRect operator + (POINT pt) const { CRect rc(*this); ::OffsetRect(&rc, pt.x, pt.y); return rc; }
+ CRect operator - (POINT pt) const { CRect rc(*this); ::OffsetRect(&rc, -pt.x, -pt.y); return rc; }
+ CRect operator + (SIZE sz) const { CRect rc(*this); ::OffsetRect(&rc, sz.cx, sz.cy); return rc; }
+ CRect operator - (SIZE sz) const { CRect rc(*this); ::OffsetRect(&rc, -sz.cx, -sz.cy); return rc; }
+ CRect operator + (RECT rc) const { CRect rc1(*this); rc1.InflateRect(rc); return rc1; }
+ CRect operator - (RECT rc) const { CRect rc1(*this); rc1.DeflateRect(rc); return rc1; }
+ CRect operator & (RECT rc) const { CRect rc1; ::IntersectRect(&rc1, this, &rc); return rc1; }
+ CRect operator | (RECT rc) const { CRect rc1; ::UnionRect(&rc1, this, &rc); return rc1; }
+ };
+
+ // CSize member function definitions
+ inline CPoint CSize::operator + (POINT pt) const { return CPoint(pt) + *this; }
+ inline CPoint CSize::operator - (POINT pt) const { return CPoint(pt) - *this; }
+ inline CRect CSize::operator + (RECT rc) const { return CRect(rc) + *this; }
+ inline CRect CSize::operator - (RECT rc) const { return CRect(rc) - *this; }
+
+ // CPoint member function definitions
+ inline CRect CPoint::operator + (RECT rc) const { return CRect(rc) + *this; }
+ inline CRect CPoint::operator - (RECT rc) const { return CRect(rc) - *this; }
+
+
+ ////////////////////////////////////////////////////////
+ // Classes and functions (typedefs) for text conversions
+ //
+ // This section defines the following text conversions:
+ // A2BSTR ANSI to BSTR
+ // A2OLE ANSI to OLE
+ // A2T ANSI to TCHAR
+ // A2W ANSI to WCHAR
+ // OLE2A OLE to ANSI
+ // OLE2T OLE to TCHAR
+ // OLE2W OLE to WCHAR
+ // T2A TCHAR to ANSI
+ // T2BSTR TCHAR to BSTR
+ // T2OLE TCHAR to OLE
+ // T2W TCHAR to WCHAR
+ // W2A WCHAR to ANSI
+ // W2BSTR WCHAR to BSTR
+ // W2OLE WCHAR to OLE
+ // W2T WCHAR to TCHAR
+
+ // About different character and string types:
+ // ------------------------------------------
+ // char (or CHAR) character types are ANSI (8 bits).
+ // wchar_t (or WCHAR) character types are Unicode (16 bits).
+ // TCHAR characters are Unicode if the _UNICODE macro is defined, otherwise they are ANSI.
+ // BSTR (Basic String) is a type of string used in Visual Basic and COM programming.
+ // OLE is the same as WCHAR. It is used in Visual Basic and COM programming.
+
+
+ // Forward declarations of our classes. They are defined later.
+ class CA2A;
+ class CA2W;
+ class CW2A;
+ class CW2W;
+ class CA2BSTR;
+ class CW2BSTR;
+
+ // typedefs for the well known text conversions
+ typedef CA2W A2W;
+ typedef CW2A W2A;
+ typedef CW2BSTR W2BSTR;
+ typedef CA2BSTR A2BSTR;
+ typedef CW2A BSTR2A;
+ typedef CW2W BSTR2W;
+
+#ifdef _UNICODE
+ typedef CA2W A2T;
+ typedef CW2A T2A;
+ typedef CW2W T2W;
+ typedef CW2W W2T;
+ typedef CW2BSTR T2BSTR;
+ typedef BSTR2W BSTR2T;
+#else
+ typedef CA2A A2T;
+ typedef CA2A T2A;
+ typedef CA2W T2W;
+ typedef CW2A W2T;
+ typedef CA2BSTR T2BSTR;
+ typedef BSTR2A BSTR2T;
+#endif
+
+ typedef A2W A2OLE;
+ typedef T2W T2OLE;
+ typedef CW2W W2OLE;
+ typedef W2A OLE2A;
+ typedef W2T OLE2T;
+ typedef CW2W OLE2W;
+
+ class CA2W
+ {
+ public:
+ CA2W(LPCSTR pStr) : m_pStr(pStr)
+ {
+ if (pStr)
+ {
+ // Resize the vector and assign null WCHAR to each element
+ int length = (int)strlen(pStr)+1;
+ m_vWideArray.assign(length, L'\0');
+
+ // Fill our vector with the converted WCHAR array
+ MultiByteToWideChar(CP_ACP, 0, pStr, -1, &m_vWideArray[0], length);
+ }
+ }
+ ~CA2W() {}
+ operator LPCWSTR() { return m_pStr? &m_vWideArray[0] : NULL; }
+ operator LPOLESTR() { return m_pStr? (LPOLESTR)&m_vWideArray[0] : (LPOLESTR)NULL; }
+ operator LPBSTR() { return m_pStr? (LPBSTR)&m_vWideArray[0] : (LPBSTR)NULL; }
+
+ private:
+ CA2W(const CA2W&);
+ CA2W& operator= (const CA2W&);
+ std::vector<wchar_t> m_vWideArray;
+ LPCSTR m_pStr;
+ };
+
+ class CW2A
+ {
+ public:
+ CW2A(LPCWSTR pWStr) : m_pWStr(pWStr)
+ {
+ // Resize the vector and assign null char to each element
+ int length = (int)wcslen(pWStr)+1;
+ m_vAnsiArray.assign(length, '\0');
+
+ // Fill our vector with the converted char array
+ WideCharToMultiByte(CP_ACP, 0, pWStr, -1, &m_vAnsiArray[0], length, NULL,NULL);
+ }
+
+ ~CW2A() {}
+ operator LPCSTR() { return m_pWStr? &m_vAnsiArray[0] : NULL; }
+
+ private:
+ CW2A(const CW2A&);
+ CW2A& operator= (const CW2A&);
+ std::vector<char> m_vAnsiArray;
+ LPCWSTR m_pWStr;
+ };
+
+ class CW2W
+ {
+ public:
+ CW2W(LPCWSTR pWStr) : m_pWStr(pWStr) {}
+ operator LPCWSTR() { return (LPWSTR)m_pWStr; }
+ operator LPOLESTR() { return (LPOLESTR)m_pWStr; }
+
+ private:
+ CW2W(const CW2W&);
+ CW2W& operator= (const CW2W&);
+
+ LPCWSTR m_pWStr;
+ };
+
+ class CA2A
+ {
+ public:
+ CA2A(LPCSTR pStr) : m_pStr(pStr) {}
+ operator LPCSTR() { return (LPSTR)m_pStr; }
+
+ private:
+ CA2A(const CA2A&);
+ CA2A& operator= (const CA2A&);
+
+ LPCSTR m_pStr;
+ };
+
+ class CW2BSTR
+ {
+ public:
+ CW2BSTR(LPCWSTR pWStr) { m_bstrString = ::SysAllocString(pWStr); }
+ ~CW2BSTR() { ::SysFreeString(m_bstrString); }
+ operator BSTR() { return m_bstrString;}
+
+ private:
+ CW2BSTR(const CW2BSTR&);
+ CW2BSTR& operator= (const CW2BSTR&);
+ BSTR m_bstrString;
+ };
+
+ class CA2BSTR
+ {
+ public:
+ CA2BSTR(LPCSTR pStr) { m_bstrString = ::SysAllocString(A2W(pStr)); }
+ ~CA2BSTR() { ::SysFreeString(m_bstrString); }
+ operator BSTR() { return m_bstrString;}
+
+ private:
+ CA2BSTR(const CA2BSTR&);
+ CA2BSTR& operator= (const CA2BSTR&);
+ BSTR m_bstrString;
+ };
+
+
+ ////////////////////////////////////////
+ // Global Functions
+ //
+
+ inline CWnd* FromHandle(HWND hWnd)
+ // Returns the CWnd object associated with the window handle
+ {
+ assert( GetApp() );
+ CWnd* pWnd = GetApp()->GetCWndFromMap(hWnd);
+ if (::IsWindow(hWnd) && pWnd == 0)
+ {
+ GetApp()->AddTmpWnd(hWnd);
+ pWnd = GetApp()->GetCWndFromMap(hWnd);
+ ::PostMessage(hWnd, UWM_CLEANUPTEMPS, 0, 0);
+ }
+
+ return pWnd;
+ }
+
+
+ inline CWinApp* GetApp()
+ // Returns a pointer to the CWinApp derrived class
+ {
+ return CWinApp::SetnGetThis();
+ }
+
+ inline CPoint GetCursorPos()
+ {
+ CPoint pt;
+ ::GetCursorPos(&pt);
+ return pt;
+ }
+
+ inline HBITMAP LoadBitmap (LPCTSTR lpszName)
+ {
+ assert(GetApp());
+
+ HBITMAP hBitmap = (HBITMAP)::LoadImage (GetApp()->GetResourceHandle(), lpszName, IMAGE_BITMAP, 0, 0, LR_DEFAULTCOLOR);
+ return hBitmap;
+ }
+
+ inline HBITMAP LoadBitmap (int nID)
+ {
+ return LoadBitmap(MAKEINTRESOURCE(nID));
+ }
+
+
+ inline void TRACE(LPCTSTR str)
+ // TRACE sends a string to the debug/output pane, or an external debugger
+ {
+ #ifdef _DEBUG
+ OutputDebugString(str);
+ #else
+ UNREFERENCED_PARAMETER(str); // no-op
+ #endif
+ }
+
+ #ifndef _WIN32_WCE // for Win32/64 operating systems, not WinCE
+
+ inline int GetWinVersion()
+ {
+ DWORD dwVersion = GetVersion();
+ int Platform = (dwVersion < 0x80000000)? 2:1;
+ int MajorVer = LOBYTE(LOWORD(dwVersion));
+ int MinorVer = HIBYTE(LOWORD(dwVersion));
+
+ int nVersion = 1000*Platform + 100*MajorVer + MinorVer;
+
+ // Return values and window versions:
+ // 1400 Windows 95
+ // 1410 Windows 98
+ // 1490 Windows ME
+ // 2400 Windows NT
+ // 2500 Windows 2000
+ // 2501 Windows XP
+ // 2502 Windows Server 2003
+ // 2600 Windows Vista and Windows Server 2008
+ // 2601 Windows 7
+
+ return nVersion;
+ }
+
+ inline int GetComCtlVersion()
+ {
+ // Load the Common Controls DLL
+ HMODULE hComCtl = ::LoadLibraryA("COMCTL32.DLL");
+ if (!hComCtl)
+ return 0;
+
+ int ComCtlVer = 400;
+
+ if (::GetProcAddress(hComCtl, "InitCommonControlsEx"))
+ {
+ // InitCommonControlsEx is unique to 4.7 and later
+ ComCtlVer = 470;
+
+ if (::GetProcAddress(hComCtl, "DllGetVersion"))
+ {
+ typedef HRESULT CALLBACK DLLGETVERSION(DLLVERSIONINFO*);
+ DLLGETVERSION* pfnDLLGetVersion = NULL;
+
+ pfnDLLGetVersion = (DLLGETVERSION*)::GetProcAddress(hComCtl, "DllGetVersion");
+ if(pfnDLLGetVersion)
+ {
+ DLLVERSIONINFO dvi;
+ dvi.cbSize = sizeof dvi;
+ if(NOERROR == pfnDLLGetVersion(&dvi))
+ {
+ DWORD dwVerMajor = dvi.dwMajorVersion;
+ DWORD dwVerMinor = dvi.dwMinorVersion;
+ ComCtlVer = 100 * dwVerMajor + dwVerMinor;
+ }
+ }
+ }
+ else if (::GetProcAddress(hComCtl, "InitializeFlatSB"))
+ ComCtlVer = 471; // InitializeFlatSB is unique to version 4.71
+ }
+
+ ::FreeLibrary(hComCtl);
+
+ // return values and DLL versions
+ // 400 dll ver 4.00 Windows 95/Windows NT 4.0
+ // 470 dll ver 4.70 Internet Explorer 3.x
+ // 471 dll ver 4.71 Internet Explorer 4.0
+ // 472 dll ver 4.72 Internet Explorer 4.01 and Windows 98
+ // 580 dll ver 5.80 Internet Explorer 5
+ // 581 dll ver 5.81 Windows 2000 and Windows ME
+ // 582 dll ver 5.82 Windows XP or Vista without XP themes
+ // 600 dll ver 6.00 Windows XP with XP themes
+ // 610 dll ver 6.10 Windows Vista with XP themes
+ // 616 dll ver 6.16 Windows Vista SP1 or Windows 7 with XP themes
+
+ return ComCtlVer;
+ }
+
+ inline UINT GetSizeofMenuItemInfo()
+ {
+ UINT uSize = sizeof(MENUITEMINFO);
+ // For Win95 and NT, cbSize needs to be 44
+ if (1400 == (GetWinVersion()) || (2400 == GetWinVersion()))
+ uSize = 44;
+
+ return uSize;
+ }
+
+ inline UINT GetSizeofNonClientMetrics()
+ {
+ // This function correctly determines the sizeof NONCLIENTMETRICS
+ UINT uSize = sizeof (NONCLIENTMETRICS);
+
+ #if (WINVER >= 0x0600)
+ if (GetWinVersion() < 2600 && (uSize > 500)) // Is OS version less than Vista
+ uSize -= sizeof(int); // Adjust size back to correct value
+ #endif
+
+ return uSize;
+ }
+
+
+
+ // A global function to report the state of the left mouse button
+ inline BOOL IsLeftButtonDown()
+ {
+ SHORT state;
+ if (GetSystemMetrics(SM_SWAPBUTTON))
+ // Mouse buttons are swapped
+ state = GetAsyncKeyState(VK_RBUTTON);
+ else
+ // Mouse buttons are not swapped
+ state = GetAsyncKeyState(VK_LBUTTON);
+
+ // returns true if the left mouse button is down
+ return (state & 0x8000);
+ }
+
+ inline BOOL IsAeroThemed()
+ {
+ BOOL bIsAeroThemed = FALSE;
+
+ // Test if Windows version is XP or greater
+ if (GetWinVersion() >= 2501)
+ {
+ HMODULE hMod = ::LoadLibrary(_T("uxtheme.dll"));
+ if(hMod)
+ {
+ // Declare pointers to IsCompositionActive function
+ FARPROC pIsCompositionActive = ::GetProcAddress(hMod, "IsCompositionActive");
+
+ if(pIsCompositionActive)
+ {
+ if(pIsCompositionActive())
+ {
+ bIsAeroThemed = TRUE;
+ }
+ }
+ ::FreeLibrary(hMod);
+ }
+ }
+
+ return bIsAeroThemed;
+ }
+
+ inline BOOL IsXPThemed()
+ {
+ BOOL bIsXPThemed = FALSE;
+
+ // Test if Windows version is XP or greater
+ if (GetWinVersion() >= 2501)
+ {
+ HMODULE hMod = ::LoadLibrary(_T("uxtheme.dll"));
+ if(hMod)
+ {
+ // Declare pointers to functions
+ FARPROC pIsAppThemed = ::GetProcAddress(hMod, "IsAppThemed");
+ FARPROC pIsThemeActive = ::GetProcAddress(hMod, "IsThemeActive");
+
+ if(pIsAppThemed && pIsThemeActive)
+ {
+ if(pIsAppThemed() && pIsThemeActive())
+ {
+ // Test if ComCtl32 dll used is version 6 or later
+ bIsXPThemed = (GetComCtlVersion() >= 600);
+ }
+ }
+ ::FreeLibrary(hMod);
+ }
+ }
+
+ return bIsXPThemed;
+ }
+
+ #endif // #ifndef _WIN32_WCE
+
+ // Required for WinCE
+ #ifndef lstrcpyn
+ inline LPTSTR lstrcpyn(LPTSTR lpstrDest, LPCTSTR lpstrSrc, int nLength)
+ {
+ if(NULL == lpstrDest || NULL == lpstrSrc || nLength <= 0)
+ return NULL;
+ int nLen = MIN((int)lstrlen(lpstrSrc), nLength - 1);
+ LPTSTR lpstrRet = (LPTSTR)memcpy(lpstrDest, lpstrSrc, nLen * sizeof(TCHAR));
+ lpstrDest[nLen] = _T('\0');
+ return lpstrRet;
+ }
+ #endif // !lstrcpyn
+
+}
+
+
+#endif // _WIN32XX_WINUTILS_H_