reactos/dll/cpl/powercfg/hibernate.c

123 lines
3.7 KiB
C

/*
* PROJECT: ReactOS Power Configuration Applet
* LICENSE: GPL - See COPYING in the top level directory
* FILE: dll/cpl/powercfg/hibernate.c
* PURPOSE: hibernate tab of applet
* PROGRAMMERS: Alexander Wurzinger (Lohnegrim at gmx dot net)
* Johannes Anderwald (johannes.anderwald@reactos.org)
* Martin Rottensteiner
* Dmitry Chapyshev (lentind@yandex.ru)
*/
#include "powercfg.h"
static VOID
Hib_InitDialog(HWND hwndDlg)
{
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,MAX_PATH))
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), TRUE);
}
else
{
ShowWindow(GetDlgItem(hwndDlg, IDC_TOLESSFREESPACE), FALSE);
EnableWindow(GetDlgItem(hwndDlg, IDC_HIBERNATEFILE), TRUE);
}
bHibernate = PowerCaps.HiberFilePresent ? TRUE : FALSE;
if (CallNtPowerInformation(SystemReserveHiberFile, &bHibernate, sizeof(bHibernate), NULL, 0) != STATUS_SUCCESS)
{
EnableWindow(GetDlgItem(hwndDlg, IDC_HIBERNATEFILE), FALSE);
}
}
}
INT_PTR
Hib_SaveData(HWND hwndDlg)
{
BOOLEAN bHibernate;
bHibernate = (BOOLEAN)(IsDlgButtonChecked(hwndDlg, IDC_HIBERNATEFILE) == BST_CHECKED);
if (CallNtPowerInformation(SystemReserveHiberFile, &bHibernate, sizeof(bHibernate), NULL, 0) == STATUS_SUCCESS)
{
Hib_InitDialog(hwndDlg);
return TRUE;
}
return FALSE;
}
/* Property page dialog callback */
INT_PTR CALLBACK
HibernateDlgProc(HWND hwndDlg,
UINT uMsg,
WPARAM wParam,
LPARAM lParam)
{
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;
}