hibernate.c File Reference

#include "powercfg.h"

Include dependency graph for hibernate.c:

Go to the source code of this file.

Functions
static VOID	Hib_InitDialog (HWND hwndDlg)
INT_PTR	Hib_SaveData (HWND hwndDlg)
INT_PTR CALLBACK	HibernateDlgProc (HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)

Function Documentation

Hib_InitDialog()

static VOID Hib_InitDialog ( HWND  hwndDlg )

static

Definition at line 13 of file hibernate.c.

{
    SYSTEM_POWER_CAPABILITIES PowerCaps;
    MEMORYSTATUSEX msex;
    TCHAR szTemp[MAX_PATH];
    LPTSTR lpRoot;
    ULARGE_INTEGER FreeBytesAvailable, TotalNumberOfBytes, TotalNumberOfFreeBytes;
    BOOLEAN bHibernate;
 
    if (GetPwrCapabilities(&PowerCaps))
    {
        CheckDlgButton(hwndDlg,
                       IDC_HIBERNATEFILE,
                       PowerCaps.HiberFilePresent ? BST_CHECKED : BST_UNCHECKED);
 
        msex.dwLength = sizeof(msex);
        if (!GlobalMemoryStatusEx(&msex))
        {
            return; // FIXME
        }
 
        if (GetWindowsDirectory(szTemp, _countof(szTemp)))
            lpRoot = szTemp;
        else
            lpRoot = NULL;
 
        // Get available space and size of selected volume.
        if (!GetDiskFreeSpaceEx(lpRoot, &FreeBytesAvailable, &TotalNumberOfBytes, &TotalNumberOfFreeBytes))
            TotalNumberOfFreeBytes.QuadPart = 0;
 
        // Print the free available space into selected volume.
        StrFormatByteSize(TotalNumberOfFreeBytes.QuadPart, szTemp, _countof(szTemp));
        SetDlgItemText(hwndDlg, IDC_FREESPACE, szTemp);
 
        // Print the amount of space required for hibernation.
        StrFormatByteSize(msex.ullTotalPhys, szTemp, _countof(szTemp));
        SetDlgItemText(hwndDlg, IDC_SPACEFORHIBERNATEFILE, szTemp);
 
        if (TotalNumberOfFreeBytes.QuadPart < msex.ullTotalPhys && !PowerCaps.HiberFilePresent)
        {
            EnableWindow(GetDlgItem(hwndDlg, IDC_HIBERNATEFILE), FALSE);
            ShowWindow(GetDlgItem(hwndDlg, IDC_TOLESSFREESPACE), SW_SHOW);
        }
        else
        {
            ShowWindow(GetDlgItem(hwndDlg, IDC_TOLESSFREESPACE), SW_HIDE);
            EnableWindow(GetDlgItem(hwndDlg, IDC_HIBERNATEFILE), TRUE);
        }
 
        bHibernate = !!PowerCaps.HiberFilePresent;
        if (CallNtPowerInformation(SystemReserveHiberFile, &bHibernate, sizeof(bHibernate), NULL, 0) != STATUS_SUCCESS)
        {
            EnableWindow(GetDlgItem(hwndDlg, IDC_HIBERNATEFILE), FALSE);
        }
    }
}

Referenced by Hib_SaveData(), and HibernateDlgProc().

Hib_SaveData()

INT_PTR Hib_SaveData

(

HWND

hwndDlg

)

Definition at line 71 of file hibernate.c.

{
    BOOLEAN bHibernate;
 
    bHibernate = (IsDlgButtonChecked(hwndDlg, IDC_HIBERNATEFILE) == BST_CHECKED);
    if (CallNtPowerInformation(SystemReserveHiberFile, &bHibernate, sizeof(bHibernate), NULL, 0) == STATUS_SUCCESS)
    {
        Hib_InitDialog(hwndDlg);
        return TRUE;
    }
 
    return FALSE;
}

Referenced by HibernateDlgProc().

HibernateDlgProc()

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

Definition at line 87 of file hibernate.c.

{
    switch (uMsg)
    {
        case WM_INITDIALOG:
            Hib_InitDialog(hwndDlg);
            return TRUE;
 
        case WM_COMMAND:
            switch (LOWORD(wParam))
            {
                case IDC_HIBERNATEFILE:
                    if (HIWORD(wParam) == BN_CLICKED)
                        PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
                    break;
            }
            break;
 
        case WM_NOTIFY:
            if (((LPNMHDR)lParam)->code == (UINT)PSN_APPLY)
                return Hib_SaveData(hwndDlg);
            break;
    }
 
    return FALSE;
}

Referenced by Applet().