reactos/dll/cpl/powercfg/hibernate.c

   1 /* $Id: hibernate.c 54535 2011-11-29 14:55:58Z dgorbachev $
   2  *
   3  * PROJECT:         ReactOS Power Configuration Applet
   4  * LICENSE:         GPL - See COPYING in the top level directory
   5  * FILE:            dll/cpl/powercfg/hibernate.c
   6  * PURPOSE:         hibernate tab of applet
   7  * PROGRAMMERS:     Alexander Wurzinger (Lohnegrim at gmx dot net)
   8  *                  Johannes Anderwald (johannes.anderwald@student.tugraz.at)
   9  *                  Martin Rottensteiner
  10  *                  Dmitry Chapyshev (lentind@yandex.ru)
  11  */
  12
  13 //#ifndef NSTATUS
  14 //typedef long NTSTATUS;
  15 //#endif
  16
  17 #include "powercfg.h"
  18
  19 BOOLEAN Pos_InitData();
  20 void Adv_InitDialog();
  21
  22
  23 static VOID
  24 Hib_InitDialog(HWND hwndDlg)
  25 {
  26         SYSTEM_POWER_CAPABILITIES PowerCaps;
  27         MEMORYSTATUSEX msex;
  28         TCHAR szSize[MAX_PATH];
  29         TCHAR szTemp[MAX_PATH];
  30         ULARGE_INTEGER FreeBytesAvailable, TotalNumberOfBytes, TotalNumberOfFreeBytes;
  31
  32         if (GetPwrCapabilities(&PowerCaps))
  33         {
  34                 CheckDlgButton(hwndDlg,
  35                                IDC_HIBERNATEFILE,
  36                                PowerCaps.HiberFilePresent ? BST_CHECKED : BST_UNCHECKED);
  37
  38                 msex.dwLength = sizeof(msex);
  39                 if (!GlobalMemoryStatusEx(&msex))
  40                 {
  41                         return; // FIXME
  42                 }
  43
  44                 if (GetWindowsDirectory(szTemp,MAX_PATH))
  45                 {
  46                         if (!GetDiskFreeSpaceEx(szTemp,&FreeBytesAvailable, &TotalNumberOfBytes, &TotalNumberOfFreeBytes))
  47                                 TotalNumberOfFreeBytes.QuadPart = 0;
  48                 }
  49                 else
  50                 {
  51                         if (!GetDiskFreeSpaceEx(NULL,&FreeBytesAvailable, &TotalNumberOfBytes, &TotalNumberOfFreeBytes))
  52                                 TotalNumberOfFreeBytes.QuadPart = 0;
  53                 }
  54
  55                 if (TotalNumberOfFreeBytes.QuadPart > 0x100000)
  56                 {
  57                         if (LoadString(hApplet, IDS_SIZEMB, szTemp, MAX_PATH))
  58                         {
  59                                 _stprintf(szSize,szTemp,TotalNumberOfFreeBytes.QuadPart / 0x100000);
  60                                 SetDlgItemText(hwndDlg, IDC_FREESPACE, szSize);
  61                         }
  62                 }
  63                 else
  64                 {
  65                         if (LoadString(hApplet, IDS_SIZEBYTS, szTemp, MAX_PATH))
  66                         {
  67                                 _stprintf(szSize,szTemp,TotalNumberOfFreeBytes.QuadPart);
  68                                 SetDlgItemText(hwndDlg, IDC_FREESPACE, szSize);
  69                         }
  70                 }
  71
  72                 if (msex.ullTotalPhys>0x100000)
  73                 {
  74                         if (LoadString(hApplet, IDS_SIZEMB, szTemp, MAX_PATH))
  75                         {
  76                                 _stprintf(szSize,szTemp,msex.ullTotalPhys/0x100000);
  77                                 SetDlgItemText(hwndDlg, IDC_SPACEFORHIBERNATEFILE,szSize);
  78                         }
  79                 }
  80                 else
  81                 {
  82                         if (LoadString(hApplet, IDS_SIZEBYTS, szTemp, MAX_PATH))
  83                         {
  84                                 _stprintf(szSize,szTemp,msex.ullTotalPhys);
  85                                 SetDlgItemText(hwndDlg, IDC_SPACEFORHIBERNATEFILE, szSize);
  86                         }
  87                 }
  88
  89                 if (TotalNumberOfFreeBytes.QuadPart < msex.ullTotalPhys && !PowerCaps.HiberFilePresent)
  90                 {
  91                         EnableWindow(GetDlgItem(hwndDlg, IDC_HIBERNATEFILE), FALSE);
  92                         ShowWindow(GetDlgItem(hwndDlg, IDC_TOLESSFREESPACE), TRUE);
  93                 }
  94                 else
  95                 {
  96                         ShowWindow(GetDlgItem(hwndDlg, IDC_TOLESSFREESPACE), FALSE);
  97                         EnableWindow(GetDlgItem(hwndDlg, IDC_HIBERNATEFILE), TRUE);
  98                 }
  99         }
 100 }
 101
 102 INT_PTR
 103 Hib_SaveData(HWND hwndDlg)
 104 {
 105         BOOLEAN bHibernate;
 106
 107         bHibernate = (BOOLEAN)(IsDlgButtonChecked(hwndDlg, IDC_HIBERNATEFILE) == BST_CHECKED);
 108
 109         if (CallNtPowerInformation(SystemReserveHiberFile,&bHibernate, sizeof(bHibernate), NULL, 0) == STATUS_SUCCESS)
 110         {
 111                 Pos_InitData();
 112                 Adv_InitDialog();
 113                 Hib_InitDialog(hwndDlg);
 114                 return TRUE;
 115         }
 116
 117         return FALSE;
 118 }
 119
 120 /* Property page dialog callback */
 121 INT_PTR CALLBACK
 122 HibernateDlgProc(HWND hwndDlg,
 123                  UINT uMsg,
 124                  WPARAM wParam,
 125                  LPARAM lParam)
 126 {
 127   switch(uMsg)
 128   {
 129     case WM_INITDIALOG:
 130                 Hib_InitDialog(hwndDlg);
 131                 return TRUE;
 132         case WM_COMMAND:
 133                 switch(LOWORD(wParam))
 134                 {
 135                 case IDC_HIBERNATEFILE:
 136                         if (HIWORD(wParam) == BN_CLICKED)
 137                         {
 138                                 PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
 139                         }
 140                 }
 141                 break;
 142         case WM_NOTIFY:
 143                 {
 144                         LPNMHDR lpnm = (LPNMHDR)lParam;
 145                         if (lpnm->code == (UINT)PSN_APPLY)
 146                         {
 147                                 return Hib_SaveData(hwndDlg);
 148                         }
 149                 }
 150   }
 151   return FALSE;
 152 }