dll/cpl/powercfg/hibernate.c

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