general.c File Reference

#include "precomp.h"
#include <winnls.h>
#include <powrprof.h>
#include <buildno.h>
#include <strsafe.h>

Include dependency graph for general.c:

Go to the source code of this file.

Classes
struct	_IMGINFO

Macros
#define	ANIM_STEP   2
#define	ANIM_TIME   50

Typedefs
typedef struct _IMGINFO	IMGINFO
typedef struct _IMGINFO *	PIMGINFO

Functions
VOID	ShowLastWin32Error (HWND hWndOwner)
static VOID	InitLogo (HWND hwndDlg)
LRESULT CALLBACK	RosImageProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
static VOID	SetRegTextData (HWND hwnd, HKEY hKey, LPTSTR Value, UINT uID)
static INT	SetProcNameString (HWND hwnd, HKEY hKey, LPTSTR Value, UINT uID1, UINT uID2)
static VOID	MakeFloatValueString (DOUBLE *dFloatValue, LPTSTR szOutput, LPTSTR szAppend)
static VOID	SetProcSpeed (HWND hwnd, HKEY hKey, LPTSTR Value, UINT uID)
static VOID	GetSystemInformation (HWND hwnd)
static VOID	GetSystemVersion (HWND hwnd)
ULONGLONG	GetSecondsQPC (VOID)
ULONGLONG	GetSeconds (VOID)
VOID	GetSystemUptime (HWND hwnd)
INT_PTR CALLBACK	GeneralPageProc (HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)

Variables
PIMGINFO	pImgInfo = NULL
BLENDFUNCTION	BlendFunc = {AC_SRC_OVER, 0, 255, AC_SRC_ALPHA}

Macro Definition Documentation

ANIM_STEP

#define ANIM_STEP   2

Definition at line 19 of file general.c.

ANIM_TIME

#define ANIM_TIME   50

Definition at line 20 of file general.c.

Typedef Documentation

IMGINFO

typedef struct _IMGINFO IMGINFO

PIMGINFO

typedef struct _IMGINFO * PIMGINFO

Function Documentation

GeneralPageProc()

INT_PTR CALLBACK GeneralPageProc	(	HWND	hwndDlg,
		UINT	uMsg,
		WPARAM	wParam,
		LPARAM	lParam
	)

Definition at line 624 of file general.c.

{
    UNREFERENCED_PARAMETER(lParam);
    UNREFERENCED_PARAMETER(wParam);

    switch (uMsg)
    {
        case WM_INITDIALOG:
            pImgInfo = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IMGINFO));
            if (pImgInfo == NULL)
            {
                EndDialog(hwndDlg, 0);
                return FALSE;
            }

            InitLogo(hwndDlg);
            SetWindowLongPtr(GetDlgItem(hwndDlg, IDC_ROSIMG), GWLP_WNDPROC, (LONG_PTR)RosImageProc);
            GetSystemInformation(hwndDlg);
            GetSystemVersion(hwndDlg);
            GetSystemUptime(hwndDlg);
            break;

        case WM_DESTROY:
            HeapFree(GetProcessHeap(), 0, pImgInfo);
            break;

        case WM_COMMAND:
            if (LOWORD(wParam) == IDC_LICENCE)
            {
                DialogBox(hApplet, MAKEINTRESOURCE(IDD_LICENCE), hwndDlg, LicenceDlgProc);

                return TRUE;
            }
            break;

        case WM_DRAWITEM:
        {
            LPDRAWITEMSTRUCT lpDrawItem = (LPDRAWITEMSTRUCT) lParam;

            if (lpDrawItem->CtlID == IDC_ROSIMG)
            {
                HDC hdcMem;
                LONG left;

                /* Position image in centre of dialog */
                left = (lpDrawItem->rcItem.right - pImgInfo->cxSource) / 2;

                hdcMem = CreateCompatibleDC(lpDrawItem->hDC);
                if (hdcMem != NULL)
                {
                    SelectObject(hdcMem, pImgInfo->hBitmap);
                    BitBlt(lpDrawItem->hDC,
                           left,
                           lpDrawItem->rcItem.top,
                           lpDrawItem->rcItem.right - lpDrawItem->rcItem.left,
                           lpDrawItem->rcItem.bottom - lpDrawItem->rcItem.top,
                           hdcMem,
                           0,
                           0,
                           SRCCOPY);
                    DeleteDC(hdcMem);
                }
            }
            return TRUE;
        }

        case WM_NOTIFY:
        {
            NMHDR *nmhdr = (NMHDR *)lParam;

            if (nmhdr->idFrom == IDC_ROSHOMEPAGE_LINK && nmhdr->code == NM_CLICK)
            {
                PNMLINK nml = (PNMLINK)nmhdr;

                ShellExecuteW(hwndDlg, L"open", nml->item.szUrl, NULL, NULL, SW_SHOWNORMAL);
            }
            break;
        }

    }

    return FALSE;
}

GetSeconds()

ULONGLONG GetSeconds

(

VOID

)

Definition at line 564 of file general.c.

{
    ULONGLONG (WINAPI * pGetTickCount64)(VOID);
    ULONGLONG Ticks64;
    HMODULE hModule = GetModuleHandleW(L"kernel32.dll");

    pGetTickCount64 = (PVOID)GetProcAddress(hModule, "GetTickCount64");
    if (pGetTickCount64)
    {
        return pGetTickCount64() / 1000;
    }

    hModule = LoadLibraryW(L"kernel32_vista.dll");

    if (!hModule)
    {
        return GetSecondsQPC();
    }

    pGetTickCount64 = (PVOID)GetProcAddress(hModule, "GetTickCount64");

    if (pGetTickCount64)
    {
        Ticks64 = pGetTickCount64() / 1000;
    }
    else
    {
        Ticks64 = GetSecondsQPC();
    }

    FreeLibrary(hModule);
    return Ticks64;
}

Referenced by GetSystemUptime().

GetSecondsQPC()

ULONGLONG GetSecondsQPC

(

VOID

)

Definition at line 554 of file general.c.

{
    LARGE_INTEGER Counter, Frequency;

    QueryPerformanceCounter(&Counter);
    QueryPerformanceFrequency(&Frequency);

    return Counter.QuadPart / Frequency.QuadPart;
}

Referenced by GetSeconds().

GetSystemInformation()

static VOID GetSystemInformation ( HWND  hwnd )

static

Definition at line 428 of file general.c.

{
    HKEY hKey;
    TCHAR ProcKey[] = _T("HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0");
    MEMORYSTATUSEX MemStat;
    TCHAR Buf[32];
    WCHAR SMBiosName[96];
    INT CurMachineLine = IDC_MACHINELINE1;

    /*
     * Get hardware device name or motherboard name
     * using information from raw SMBIOS data
     */
    if (GetSystemName(SMBiosName, _countof(SMBiosName)))
    {
        SetDlgItemText(hwnd, CurMachineLine, SMBiosName);
        CurMachineLine++;
    }
    /*
     * Get Processor information
     * although undocumented, this information is being pulled
     * directly out of the registry instead of via setupapi as it
     * contains all the info we need, and should remain static
     */
    if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, ProcKey, 0, KEY_READ, &hKey) == ERROR_SUCCESS)
    {
        SetRegTextData(hwnd, hKey, _T("VendorIdentifier"), CurMachineLine);
        CurMachineLine++;

        CurMachineLine += SetProcNameString(hwnd,
                                            hKey,
                                            _T("ProcessorNameString"),
                                            CurMachineLine,
                                            CurMachineLine + 1);

        SetProcSpeed(hwnd, hKey, _T("~MHz"), CurMachineLine);
        CurMachineLine++;
    }

    /* Get total physical RAM */
    MemStat.dwLength = sizeof(MemStat);

    if (GlobalMemoryStatusEx(&MemStat))
    {
        TCHAR szStr[32];
        double dTotalPhys;

        if (MemStat.ullTotalPhys > 1024 * 1024 * 1024)
        {
            UINT i = 0;
            static const UINT uStrId[] = { IDS_GIGABYTE, IDS_TERABYTE, IDS_PETABYTE};

            // We're dealing with GBs or more
            MemStat.ullTotalPhys /= 1024 * 1024;

            if (MemStat.ullTotalPhys > 1024 * 1024)
            {
                // We're dealing with TBs or more
                MemStat.ullTotalPhys /= 1024;
                i++;

                if (MemStat.ullTotalPhys > 1024 * 1024)
                {
                    // We're dealing with PBs or more
                    MemStat.ullTotalPhys /= 1024;
                    i++;

                    dTotalPhys = (double)MemStat.ullTotalPhys / 1024;
                }
                else
                {
                    dTotalPhys = (double)MemStat.ullTotalPhys / 1024;
                }
            }
            else
            {
                dTotalPhys = (double)MemStat.ullTotalPhys / 1024;
            }

            LoadString(hApplet, uStrId[i], szStr, sizeof(szStr) / sizeof(TCHAR));
            MakeFloatValueString(&dTotalPhys, Buf, szStr);
        }
        else
        {
            // We're dealing with MBs, don't show any decimals
            LoadString(hApplet, IDS_MEGABYTE, szStr, sizeof(szStr) / sizeof(TCHAR));
            wsprintf(Buf, _T("%u %s"), (UINT)MemStat.ullTotalPhys / 1024 / 1024, szStr);
        }

        SetDlgItemText(hwnd, CurMachineLine, Buf);
    }
}

Referenced by GeneralPageProc().

GetSystemUptime()

VOID GetSystemUptime

(

HWND

hwnd

)

Definition at line 598 of file general.c.

{
    HWND hRosUptime;
    WCHAR szBuf[64], szStr[64];
    ULONG cSeconds;

    hRosUptime = GetDlgItem(hwnd, IDC_UPTIME);
    if (!hRosUptime)
    {
        return;
    }
    if (!LoadStringW(hApplet, IDS_UPTIME_FORMAT, szStr, _countof(szStr)))
    {
        return;
    }
    cSeconds = GetSeconds();
    StringCchPrintfW(szBuf, _countof(szBuf), szStr,
                     cSeconds / (60*60*24),
                     (cSeconds / (60*60)) % 24,
                     (cSeconds / 60) % 60,
                     cSeconds % 60);

    SetWindowTextW(hRosUptime, szBuf);
}

Referenced by GeneralPageProc().

GetSystemVersion()

static VOID GetSystemVersion ( HWND  hwnd )

static

Definition at line 521 of file general.c.

{
    HWND hRosVersion;
    SIZE_T lenStr, lenVersion;
    PCWSTR pwszVersion = L" " TEXT(KERNEL_VERSION_RC);
    PWSTR pwszStr;

    lenVersion = wcslen(pwszVersion);
    if (lenVersion == 0)
    {
        return;
    }

    hRosVersion = GetDlgItem(hwnd, IDC_ROSVERSION);
    if (!hRosVersion)
    {
        return;
    }
    lenStr = GetWindowTextLengthW(hRosVersion);
    lenStr += lenVersion + 1;
    pwszStr = HeapAlloc(GetProcessHeap(), 0, lenStr * sizeof(WCHAR));
    if (!pwszStr)
    {
        return;
    }
    GetWindowText(hRosVersion, pwszStr, lenStr);

    StringCchCatW(pwszStr, lenStr, pwszVersion);
    SetWindowText(hRosVersion, pwszStr);

    HeapFree(GetProcessHeap(), 0, pwszStr);
}

Referenced by GeneralPageProc().

InitLogo()

static VOID InitLogo ( HWND  hwndDlg )

static

Definition at line 60 of file general.c.

{
    BITMAP logoBitmap;
    BITMAP maskBitmap;
    BITMAPINFO bmpi;
    HDC hDC = GetDC(hwndDlg);
    HDC hDCLogo = CreateCompatibleDC(NULL);
    HDC hDCMask = CreateCompatibleDC(NULL);
    HBITMAP hMask, hLogo, hAlphaLogo = NULL;
    COLORREF *pBits;
    INT line, column;

    ZeroMemory(pImgInfo, sizeof(*pImgInfo));
    ZeroMemory(&bmpi, sizeof(bmpi));

    hLogo = (HBITMAP)LoadImage(hApplet, MAKEINTRESOURCE(IDB_ROSBMP), IMAGE_BITMAP, 0, 0, LR_DEFAULTCOLOR);
    hMask = (HBITMAP)LoadImage(hApplet, MAKEINTRESOURCE(IDB_ROSMASK), IMAGE_BITMAP, 0, 0, LR_DEFAULTCOLOR);

    if (hLogo != NULL && hMask != NULL)
    {
        GetObject(hLogo, sizeof(BITMAP), &logoBitmap);
        GetObject(hMask, sizeof(BITMAP), &maskBitmap);

        if(logoBitmap.bmHeight != maskBitmap.bmHeight || logoBitmap.bmWidth != maskBitmap.bmWidth)
            return;

        pImgInfo->cxSource = logoBitmap.bmWidth;
        pImgInfo->cySource = logoBitmap.bmHeight;

        bmpi.bmiHeader.biSize = sizeof(BITMAPINFO);
        bmpi.bmiHeader.biWidth = logoBitmap.bmWidth;
        bmpi.bmiHeader.biHeight = logoBitmap.bmHeight;
        bmpi.bmiHeader.biPlanes = 1;
        bmpi.bmiHeader.biBitCount = 32;
        bmpi.bmiHeader.biCompression = BI_RGB;
        bmpi.bmiHeader.biSizeImage = 4 * logoBitmap.bmWidth * logoBitmap.bmHeight;

        hAlphaLogo = CreateDIBSection(hDC, &bmpi, DIB_RGB_COLORS, (PVOID*)&pBits, 0, 0);

        if(!hAlphaLogo)
            return;

        SelectObject(hDCLogo, hLogo);
        SelectObject(hDCMask, hMask);

        for(line = logoBitmap.bmHeight - 1; line >= 0; line--)
        {
            for(column = 0; column < logoBitmap.bmWidth; column++)
            {
                COLORREF alpha = GetPixel(hDCMask, column, line) & 0xFF;
                COLORREF Color = GetPixel(hDCLogo, column, line);
                DWORD r, g, b;

                r = GetRValue(Color) * alpha / 255;
                g = GetGValue(Color) * alpha / 255;
                b = GetBValue(Color) * alpha / 255;

                *pBits++ =  b | g << 8 | r << 16 | alpha << 24;
            }
          }
    }

    pImgInfo->hBitmap = hAlphaLogo;
    pImgInfo->cxSource = logoBitmap.bmWidth;
    pImgInfo->cySource = logoBitmap.bmHeight;
    pImgInfo->iBits = logoBitmap.bmBitsPixel;
    pImgInfo->iPLanes = logoBitmap.bmPlanes;

    DeleteObject(hLogo);
    DeleteObject(hMask);
    DeleteDC(hDCLogo);
    DeleteDC(hDCMask);

}

Referenced by GeneralPageProc().

MakeFloatValueString()

static VOID MakeFloatValueString ( DOUBLE *  dFloatValue, LPTSTR  szOutput, LPTSTR  szAppend  )

static

Definition at line 372 of file general.c.

{
    TCHAR szDecimalSeparator[4];

    /* Get the decimal separator for the current locale */
    if (GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SDECIMAL, szDecimalSeparator, sizeof(szDecimalSeparator) / sizeof(TCHAR)) > 0)
    {
        UCHAR uDecimals;
        UINT uIntegral;

        /* Show the value with two decimals */
        uIntegral = (UINT)*dFloatValue;
        uDecimals = (UCHAR)((UINT)(*dFloatValue * 100) - uIntegral * 100);

        wsprintf(szOutput, _T("%u%s%02u %s"), uIntegral, szDecimalSeparator, uDecimals, szAppend);
    }
}

Referenced by GetSystemInformation(), and SetProcSpeed().

RosImageProc()

LRESULT CALLBACK RosImageProc	(	HWND	hwnd,
		UINT	uMsg,
		WPARAM	wParam,
		LPARAM	lParam
	)

Definition at line 135 of file general.c.

{
    static UINT timerid = 0, top = 0, offset;
    static HBITMAP hCreditsBitmap;

    switch (uMsg)
    {
        case WM_LBUTTONDBLCLK:
            if (wParam & (MK_CONTROL | MK_SHIFT))
            {
                if (timerid == 0)
                {
                    HDC hCreditsDC, hLogoDC;
                    HFONT hFont;
                    NONCLIENTMETRICS ncm;
                    RECT rcCredits;
                    TCHAR szCredits[2048];
                    INT iDevsHeight;

                    top = 0;
                    offset = 0;
                    hCreditsDC = CreateCompatibleDC(GetDC(NULL));
                    hLogoDC = CreateCompatibleDC(hCreditsDC);

                    if (hCreditsDC == NULL || hLogoDC == NULL)
                        break;

                    SetRect(&rcCredits, 0, 0, 0, 0);

                    ncm.cbSize = sizeof(NONCLIENTMETRICS);
                    SystemParametersInfo(SPI_GETNONCLIENTMETRICS, sizeof(NONCLIENTMETRICS), &ncm, 0);

                    hFont = CreateFontIndirect(&ncm.lfMessageFont);
                    SelectObject(hCreditsDC, hFont);

                    LoadString(hApplet, IDS_DEVS, szCredits, sizeof(szCredits) / sizeof(TCHAR));
                    DrawText(hCreditsDC, szCredits, -1, &rcCredits, DT_CALCRECT);

                    iDevsHeight = rcCredits.bottom - rcCredits.top;

                    hCreditsBitmap = CreateBitmap(pImgInfo->cxSource, (2 * pImgInfo->cySource) + iDevsHeight + 1, pImgInfo->iPLanes, pImgInfo->iBits, NULL);

                    if(!hCreditsBitmap)
                        break;

                    SelectObject(hLogoDC, pImgInfo->hBitmap);
                    SelectObject(hCreditsDC, hCreditsBitmap);

                    offset += pImgInfo->cySource;

                    SetRect(&rcCredits, 0, 0, pImgInfo->cxSource, (2 * pImgInfo->cySource) + iDevsHeight + 1);
                    FillRect(hCreditsDC, &rcCredits, GetSysColorBrush(COLOR_3DFACE));

                    SetRect(&rcCredits, 0, offset, pImgInfo->cxSource, offset + iDevsHeight + 1);
                    SetBkMode(hCreditsDC, TRANSPARENT);

                    OffsetRect(&rcCredits, 1, 1);
                    SetTextColor(hCreditsDC, GetSysColor(COLOR_BTNSHADOW));
                    DrawText(hCreditsDC, szCredits, -1, &rcCredits, DT_CENTER);

                    OffsetRect(&rcCredits, -1, -1);
                    SetTextColor(hCreditsDC, GetSysColor(COLOR_WINDOWTEXT));
                    DrawText(hCreditsDC, szCredits, -1, &rcCredits, DT_CENTER);

                    offset += iDevsHeight;

                    AlphaBlend(hCreditsDC, 0, 0, pImgInfo->cxSource, pImgInfo->cySource, hLogoDC, 0,  0, pImgInfo->cxSource, pImgInfo->cySource, BlendFunc);
                    AlphaBlend(hCreditsDC, 0, offset, pImgInfo->cxSource, pImgInfo->cySource, hLogoDC, 0,  0, pImgInfo->cxSource, pImgInfo->cySource, BlendFunc);

                    DeleteDC(hLogoDC);
                    DeleteDC(hCreditsDC);

                    timerid = SetTimer(hwnd, 1, ANIM_TIME, NULL);
                }
            }
            break;
        case WM_LBUTTONDOWN:
            if (timerid)
            {
                RECT rcCredits;
                HDC hDC = GetDC(hwnd);

                GetClientRect(hwnd, &rcCredits);
                SetRect(&rcCredits, 0, 0, rcCredits.right, pImgInfo->cySource);
                FillRect(hDC, &rcCredits, GetSysColorBrush(COLOR_3DFACE));

                KillTimer(hwnd, timerid);
                DeleteObject(hCreditsBitmap);
                InvalidateRect(hwnd, NULL, FALSE);

                top = 0;
                timerid = 0;
            }
            break;
        case WM_TIMER:
            top += ANIM_STEP;

            if (top > offset)
            {
                RECT rcCredits;
                HDC hDC = GetDC(hwnd);

                GetClientRect(hwnd, &rcCredits);
                SetRect(&rcCredits, 0, 0, rcCredits.right, pImgInfo->cySource);
                FillRect(hDC, &rcCredits, GetSysColorBrush(COLOR_3DFACE));

                KillTimer(hwnd, timerid);
                DeleteObject(hCreditsBitmap);

                top = 0;
                timerid = 0;
            }

            InvalidateRect(hwnd, NULL, FALSE);
            break;
        case WM_PAINT:
        {
            PAINTSTRUCT PS;
            HDC hdcMem, hdc;
            LONG left;

            hdc = wParam != 0 ? (HDC)wParam : BeginPaint(hwnd, &PS);

            GetClientRect(hwnd, &PS.rcPaint);

            /* Position image in center of dialog */
            left = (PS.rcPaint.right - pImgInfo->cxSource) / 2;
            hdcMem = CreateCompatibleDC(hdc);

            if (hdcMem != NULL)
            {
                if(timerid != 0)
                {
                    SelectObject(hdcMem, hCreditsBitmap);
                    BitBlt(hdc, left, PS.rcPaint.top, PS.rcPaint.right - PS.rcPaint.left, PS.rcPaint.top + pImgInfo->cySource, hdcMem, 0, top, SRCCOPY);
                }
                else
                {
                    SelectObject(hdcMem, pImgInfo->hBitmap);
                    AlphaBlend(hdc, left, PS.rcPaint.top, pImgInfo->cxSource, pImgInfo->cySource, hdcMem, 0, 0, pImgInfo->cxSource, pImgInfo->cySource, BlendFunc);
                }

                DeleteDC(hdcMem);
            }

            if (wParam == 0)
                EndPaint(hwnd,&PS);
            break;
        }
    }
    return TRUE;
}

Referenced by GeneralPageProc().

SetProcNameString()

static INT SetProcNameString ( HWND  hwnd, HKEY  hKey, LPTSTR  Value, UINT  uID1, UINT  uID2  )

static

Definition at line 308 of file general.c.

{
    LPTSTR lpBuf = NULL;
    DWORD BufSize = 0;
    DWORD Type;
    INT Ret = 0;
    TCHAR szBuf[31];
    TCHAR* szLastSpace;
    INT LastSpace = 0;

    if (RegQueryValueEx(hKey, Value, NULL, &Type, NULL, &BufSize) == ERROR_SUCCESS)
    {
        lpBuf = HeapAlloc(GetProcessHeap(), 0, BufSize);

        if (!lpBuf)
            return 0;

        if (RegQueryValueEx(hKey, Value, NULL, &Type, (PBYTE)lpBuf, &BufSize) == ERROR_SUCCESS)
        {
            if (BufSize > ((30 + 1) * sizeof(TCHAR)))
            {
                /* Wrap the Processor Name String like XP does:                           *
                *   - Take the first 30 characters and look for the last space.          *
                *     Then wrap the string after this space.                             *
                *   - If no space is found, wrap the string after character 30.          *
                *                                                                        *
                * For example the Processor Name String of a Pentium 4 is right-aligned. *
                * With this wrapping the first line looks centered.                      */

                _tcsncpy(szBuf, lpBuf, 30);
                szBuf[30] = 0;
                szLastSpace = _tcsrchr(szBuf, ' ');

                if (szLastSpace == 0)
                {
                    LastSpace = 30;
                }
                else
                {
                    LastSpace = (szLastSpace - szBuf);
                    szBuf[LastSpace] = 0;
                }

                _tcsncpy(szBuf, lpBuf, LastSpace);

                SetDlgItemText(hwnd, uID1, szBuf);
                SetDlgItemText(hwnd, uID2, lpBuf+LastSpace+1);

                /* Return the number of used lines */
                Ret = 2;
            }
            else
            {
                SetDlgItemText(hwnd, uID1, lpBuf);
                Ret = 1;
            }
        }

        HeapFree(GetProcessHeap(), 0, lpBuf);
    }

    return Ret;
}

Referenced by GetSystemInformation().

SetProcSpeed()

static VOID SetProcSpeed ( HWND  hwnd, HKEY  hKey, LPTSTR  Value, UINT  uID  )

static

Definition at line 390 of file general.c.

{
    TCHAR szBuf[64], szHz[16];
    DWORD BufSize = sizeof(DWORD);
    DWORD Type = REG_SZ;
    PROCESSOR_POWER_INFORMATION ppi;

    ZeroMemory(&ppi, sizeof(ppi));

    if ((CallNtPowerInformation(ProcessorInformation,
                                NULL,
                                0,
                                (PVOID)&ppi,
                                sizeof(ppi)) == STATUS_SUCCESS &&
         ppi.CurrentMhz != 0) || RegQueryValueEx(hKey, Value, NULL, &Type, (PBYTE)&ppi.CurrentMhz, &BufSize) == ERROR_SUCCESS)
    {
        if (ppi.CurrentMhz < 1000)
        {
            if (!LoadString(hApplet, IDS_MEGAHERTZ, szHz, _countof(szHz)))
            {
                return;
            }
            StringCchPrintf(szBuf, _countof(szBuf), _T("%lu %s"), ppi.CurrentMhz, szHz);
        }
        else
        {
            double flt = ppi.CurrentMhz / 1000.0;
            if (!LoadString(hApplet, IDS_GIGAHERTZ, szHz, _countof(szHz)))
            {
                return;
            }
            MakeFloatValueString(&flt, szBuf, szHz);
        }

        SetDlgItemText(hwnd, uID, szBuf);
    }
}

Referenced by GetSystemInformation().

SetRegTextData()

static VOID SetRegTextData ( HWND  hwnd, HKEY  hKey, LPTSTR  Value, UINT  uID  )

static

Definition at line 288 of file general.c.

{
    LPTSTR lpBuf = NULL;
    DWORD BufSize = 0;
    DWORD Type;

    if (RegQueryValueEx(hKey, Value, NULL, &Type, NULL, &BufSize) == ERROR_SUCCESS)
    {
        lpBuf = HeapAlloc(GetProcessHeap(), 0, BufSize);

        if (!lpBuf)
            return;

        if (RegQueryValueEx(hKey, Value, NULL, &Type, (PBYTE)lpBuf, &BufSize) == ERROR_SUCCESS)
            SetDlgItemText(hwnd, uID, lpBuf);

        HeapFree(GetProcessHeap(), 0, lpBuf);
    }
}

Referenced by GetSystemInformation().

ShowLastWin32Error()

VOID ShowLastWin32Error

(

HWND

hWndOwner

)

Definition at line 34 of file general.c.

{
    LPTSTR lpMsg;
    DWORD LastError;

    LastError = GetLastError();
    if (LastError == ERROR_SUCCESS)
        return;

    if (!FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
                       FORMAT_MESSAGE_FROM_SYSTEM |
                       FORMAT_MESSAGE_IGNORE_INSERTS,
                       NULL,
                       LastError,
                       LANG_USER_DEFAULT,
                       (LPTSTR)&lpMsg,
                       0, NULL))
    {
        return;
    }

    MessageBox(hWndOwner, lpMsg, NULL, MB_OK | MB_ICONERROR);
    LocalFree(lpMsg);
}

Variable Documentation

BlendFunc

BLENDFUNCTION BlendFunc = {AC_SRC_OVER, 0, 255, AC_SRC_ALPHA}

Definition at line 32 of file general.c.

Referenced by AlphaBlendProc(), DIB_16BPP_AlphaBlend(), DIB_24BPP_AlphaBlend(), DIB_32BPP_AlphaBlend(), DIB_XXBPP_AlphaBlend(), MainWndProc(), NtGdiAlphaBlend(), OnDrawItem(), and RosImageProc().

pImgInfo

PIMGINFO pImgInfo = NULL

Definition at line 31 of file general.c.

Referenced by GeneralPageProc(), InitLogo(), and RosImageProc().