general.c File Reference

#include "precomp.h"
#include <winnls.h>
#include <powrprof.h>
#include <buildno.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
#define	ID_SYSUPTIME_UPDATE_TIMER   1

Typedefs
typedef struct _IMGINFO	IMGINFO
typedef struct _IMGINFO *	PIMGINFO
typedef ULONGLONG(WINAPI *	PFGETTICKCOUNT64) (VOID)

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)
static ULONGLONG	GetTickCountQPC (VOID)
	An equivalent of GetTickCount64, implemented using QueryPerformanceCounter. More...
static VOID	GetSystemUptime (HWND hwndDlg)
static VOID	InitSystemUptime (HWND hwndDlg)
INT_PTR CALLBACK	GeneralPageProc (HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)

Variables
static PIMGINFO	pImgInfo
static const BLENDFUNCTION	BlendFunc = {AC_SRC_OVER, 0, 255, AC_SRC_ALPHA}
static HMODULE	hKernel32Vista = NULL
static PFGETTICKCOUNT64	pGetTickCount64 = NULL
static WCHAR	szUptimeFormat [64]

Macro Definition Documentation

ANIM_STEP

#define ANIM_STEP   2

Definition at line 18 of file general.c.

ANIM_TIME

#define ANIM_TIME   50

Definition at line 19 of file general.c.

ID_SYSUPTIME_UPDATE_TIMER

#define ID_SYSUPTIME_UPDATE_TIMER   1

Definition at line 20 of file general.c.

Typedef Documentation

IMGINFO

typedef struct _IMGINFO IMGINFO

PFGETTICKCOUNT64

typedef ULONGLONG(WINAPI * PFGETTICKCOUNT64) (VOID)

Definition at line 31 of file general.c.

PIMGINFO

typedef struct _IMGINFO * PIMGINFO

Function Documentation

GeneralPageProc()

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

Definition at line 688 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);
            InitSystemUptime(hwndDlg);
            break;
        }

        case WM_DESTROY:
        {
            KillTimer(hwndDlg, ID_SYSUPTIME_UPDATE_TIMER);

            if (hKernel32Vista)
            {
                FreeLibrary(hKernel32Vista);
            }

            HeapFree(GetProcessHeap(), 0, pImgInfo);
            break;
        }

        case WM_TIMER:
        {
            if (wParam == ID_SYSUPTIME_UPDATE_TIMER)
            {
                /* Update system uptime */
                GetSystemUptime(hwndDlg);
            }

            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;
}

GetSystemInformation()

static VOID GetSystemInformation ( HWND  hwnd )

static

Definition at line 453 of file general.c.

{
    HKEY hKey;
    TCHAR SysKey[] = _T("HARDWARE\\DESCRIPTION\\System");
    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++;
    }
    else
    {
        /* If SMBIOS is not available, use System Identifier */
        if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, SysKey, 0, KEY_READ, &hKey) == ERROR_SUCCESS)
        {
            SetRegTextData(hwnd, hKey, _T("Identifier"), CurMachineLine);
            CurMachineLine++;
            RegCloseKey(hKey);
        }
    }
    /*
     * 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)
    {
        INT PrevMachineLine;

        SetRegTextData(hwnd, hKey, _T("VendorIdentifier"), CurMachineLine);
        CurMachineLine++;

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

        if (CurMachineLine == PrevMachineLine)
        {
            /* TODO: Try obtaining CPU name from WMI (i.e. CIM_Processor) */

            /* Brand String is not available, use Identifier instead */
            CurMachineLine += SetProcNameString(hwnd,
                                                hKey,
                                                _T("Identifier"),
                                                CurMachineLine,
                                                CurMachineLine + 1);
        }

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

    /* 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()

static VOID GetSystemUptime ( HWND  hwndDlg )

static

Definition at line 623 of file general.c.

{
    HWND hUptimeLabel;
    ULONGLONG cMilliseconds;
    ULONG cSeconds;
    WCHAR szBuf[64];

    hUptimeLabel = GetDlgItem(hwndDlg, IDC_UPTIME);
    if (!hUptimeLabel)
    {
        return;
    }

    if (pGetTickCount64)
    {
        cMilliseconds = pGetTickCount64();
    }
    else
    {
        cMilliseconds = GetTickCountQPC();
    }
    
    cSeconds = cMilliseconds / 1000;
    StringCchPrintfW(szBuf, _countof(szBuf), szUptimeFormat,
                     cSeconds / (60*60*24),     // Days
                     (cSeconds / (60*60)) % 24, // Hours
                     (cSeconds / 60) % 60,      // Minutes
                     cSeconds % 60);            // Seconds
                     
    SetWindowTextW(hUptimeLabel, szBuf);

    /* Set update timer (reset timeout if the timer exists) */
    SetTimer(hwndDlg, ID_SYSUPTIME_UPDATE_TIMER, 1000 - (cMilliseconds % 1000), NULL);
}

Referenced by GeneralPageProc(), and InitSystemUptime().

GetSystemVersion()

static VOID GetSystemVersion ( HWND  hwnd )

static

Definition at line 573 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 DECLARE_INTERFACE_(), and GeneralPageProc().

GetTickCountQPC()

static ULONGLONG GetTickCountQPC ( VOID  )

static

An equivalent of GetTickCount64, implemented using QueryPerformanceCounter.

Returns

The number of milliseconds that have elapsed since the system was started.

Definition at line 613 of file general.c.

{
    LARGE_INTEGER Counter, Frequency;

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

    return (Counter.QuadPart * 1000) / Frequency.QuadPart;
}

Referenced by GetSystemUptime().

InitLogo()

static VOID InitLogo ( HWND  hwndDlg )

static

Definition at line 65 of file general.c.

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

    hDC = GetDC(hwndDlg);
    hDCLogo = CreateCompatibleDC(NULL);
    hDCMask = CreateCompatibleDC(NULL);

    if (hDC == NULL || hDCLogo == NULL || hDCMask == NULL)
        goto Cleanup;

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

    hLogo = (HBITMAP)LoadImageW(hApplet, MAKEINTRESOURCEW(IDB_ROSBMP), IMAGE_BITMAP, 0, 0, LR_DEFAULTCOLOR);
    hMask = (HBITMAP)LoadImageW(hApplet, MAKEINTRESOURCEW(IDB_ROSMASK), IMAGE_BITMAP, 0, 0, LR_DEFAULTCOLOR);

    if (hLogo == NULL || hMask == NULL)
        goto Cleanup;

    GetObject(hLogo, sizeof(logoBitmap), &logoBitmap);
    GetObject(hMask, sizeof(maskBitmap), &maskBitmap);

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

    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;

    /* Create a premultiplied bitmap */
    hAlphaLogo = CreateDIBSection(hDC, &bmpi, DIB_RGB_COLORS, (PVOID*)&pBits, 0, 0);
    if (!hAlphaLogo)
        goto Cleanup;

    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;

Cleanup:
    if (hMask != NULL) DeleteObject(hMask);
    if (hLogo != NULL) DeleteObject(hLogo);
    if (hDCMask != NULL) DeleteDC(hDCMask);
    if (hDCLogo != NULL) DeleteDC(hDCLogo);
    if (hDC != NULL) ReleaseDC(hwndDlg, hDC);
}

Referenced by GeneralPageProc().

InitSystemUptime()

static VOID InitSystemUptime ( HWND  hwndDlg )

static

Definition at line 658 of file general.c.

{
    HMODULE hKernel32;

    /* Load time format string */
    if (LoadStringW(hApplet, IDS_UPTIME_FORMAT, szUptimeFormat, _countof(szUptimeFormat)) == 0)
    {
        return;
    }

    /* Load required DLLs */
    hKernel32 = GetModuleHandleW(L"kernel32.dll");
    if (hKernel32)
    {
        pGetTickCount64 = (PFGETTICKCOUNT64)GetProcAddress(hKernel32, "GetTickCount64");
        if (!pGetTickCount64)
        {
            hKernel32Vista = LoadLibraryW(L"kernel32_vista.dll");
            if (hKernel32Vista)
            {
                pGetTickCount64 = (PFGETTICKCOUNT64)GetProcAddress(hKernel32Vista, "GetTickCount64");
            }
        }
    }

    /* Show system uptime and set update timer */
    GetSystemUptime(hwndDlg);
}

Referenced by GeneralPageProc().

MakeFloatValueString()

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

static

Definition at line 397 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 144 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 hDC;
                    HDC hCreditsDC = NULL, hLogoDC = NULL;
                    HFONT hFont = NULL;
                    NONCLIENTMETRICS ncm;
                    RECT rcCredits;
                    TCHAR szCredits[2048];
                    INT iDevsHeight;

                    hDC = GetDC(NULL);
                    if (hDC == NULL)
                        goto Cleanup;

                    top = 0;
                    offset = 0;

                    hCreditsDC = CreateCompatibleDC(hDC);
                    hLogoDC = CreateCompatibleDC(hCreditsDC);

                    if (hCreditsDC == NULL || hLogoDC == NULL)
                        goto Cleanup;

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

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

                    hFont = CreateFontIndirect(&ncm.lfMessageFont);
                    if (!hFont)
                        goto Cleanup;
                    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)
                        goto Cleanup;

                    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);

                    timerid = SetTimer(hwnd, 1, ANIM_TIME, NULL);

Cleanup:
                    if (hFont != NULL) DeleteObject(hFont);
                    if (hLogoDC != NULL) DeleteDC(hLogoDC);
                    if (hCreditsDC != NULL) DeleteDC(hCreditsDC);
                    if (hDC != NULL) ReleaseDC(NULL, hDC);
                }
            }
            break;
        case WM_LBUTTONDOWN:
            if (timerid)
            {
                RECT rcCredits;
                HDC hDC = GetDC(hwnd);
                if (hDC != NULL)
                {
                    GetClientRect(hwnd, &rcCredits);
                    SetRect(&rcCredits, 0, 0, rcCredits.right, pImgInfo->cySource);
                    FillRect(hDC, &rcCredits, GetSysColorBrush(COLOR_3DFACE));
                    ReleaseDC(hwnd, hDC);
                }
                KillTimer(hwnd, timerid);
                if (hCreditsBitmap != NULL)
                    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);
                if (hDC != NULL)
                {
                    GetClientRect(hwnd, &rcCredits);
                    SetRect(&rcCredits, 0, 0, rcCredits.right, pImgInfo->cySource);
                    FillRect(hDC, &rcCredits, GetSysColorBrush(COLOR_3DFACE));
                    ReleaseDC(hwnd, hDC);
                }
                KillTimer(hwnd, timerid);
                if (hCreditsBitmap != NULL)
                    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 333 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 415 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 313 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 39 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

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

static

Definition at line 34 of file general.c.

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

hKernel32Vista

HMODULE hKernel32Vista = NULL

static

Definition at line 35 of file general.c.

Referenced by GeneralPageProc(), and InitSystemUptime().

pGetTickCount64

PFGETTICKCOUNT64 pGetTickCount64 = NULL

static

Definition at line 36 of file general.c.

Referenced by GetSeconds(), GetSystemUptime(), and InitSystemUptime().

pImgInfo

PIMGINFO pImgInfo

static

Definition at line 33 of file general.c.

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

szUptimeFormat

WCHAR szUptimeFormat[64]

static

Definition at line 37 of file general.c.

Referenced by GetSystemUptime(), and InitSystemUptime().