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