reactos/dll/cpl/powercfg/hibernate.c

   1 /* $Id$
   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 "ntstatus.h"
  18 #define WIN32_NO_STATUS
  19 #include <windows.h>
  20 #include <commctrl.h>
  21 #include <cpl.h>
  22 #include <stdio.h>
  23 #include <tchar.h>
  24
  25 #include "resource.h"
  26 #include "powercfg.h"
  27
  28
  29 void Hib_InitDialog(HWND);
  30 INT_PTR Hib_SaveData(HWND);
  31 BOOLEAN Pos_InitData();
  32 void Adv_InitDialog();
  33
  34 /* Property page dialog callback */
  35 INT_PTR CALLBACK
  36 hibernateProc(
  37   HWND hwndDlg,
  38   UINT uMsg,
  39   WPARAM wParam,
  40   LPARAM lParam
  41 )
  42 {
  43   switch(uMsg)
  44   {
  45     case WM_INITDIALOG:
  46                 Hib_InitDialog(hwndDlg);
  47                 return TRUE;
  48         case WM_COMMAND:
  49                 switch(LOWORD(wParam))
  50                 {
  51                 case IDC_HIBERNATEFILE:
  52                         if (HIWORD(wParam) == BN_CLICKED)
  53                         {
  54                                 PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
  55                         }
  56                 }
  57                 break;
  58         case WM_NOTIFY:
  59                 {
  60                         LPNMHDR lpnm = (LPNMHDR)lParam;
  61                         if (lpnm->code == (UINT)PSN_APPLY)
  62                         {
  63                                 return Hib_SaveData(hwndDlg);
  64                         }
  65                 }
  66   }
  67   return FALSE;
  68 }
  69
  70 void Hib_InitDialog(HWND hwndDlg)
  71 {
  72         SYSTEM_POWER_CAPABILITIES PowerCaps;
  73         MEMORYSTATUSEX msex;
  74         TCHAR szSize[MAX_PATH];
  75         TCHAR szTemp[MAX_PATH];
  76         ULARGE_INTEGER FreeBytesAvailable, TotalNumberOfBytes, TotalNumberOfFreeBytes;
  77
  78         if (GetPwrCapabilities(&PowerCaps))
  79         {
  80                 CheckDlgButton(hwndDlg,
  81                                IDC_HIBERNATEFILE,
  82                                PowerCaps.HiberFilePresent ? BST_CHECKED : BST_UNCHECKED);
  83
  84                 msex.dwLength = sizeof(msex);
  85                 if (!GlobalMemoryStatusEx(&msex))
  86                 {
  87                         return; //FIXME
  88                 }
  89
  90                 if (GetWindowsDirectory(szTemp,MAX_PATH))
  91                 {
  92                         if (!GetDiskFreeSpaceEx(szTemp,&FreeBytesAvailable, &TotalNumberOfBytes, &TotalNumberOfFreeBytes))
  93                                 TotalNumberOfFreeBytes.QuadPart = 0;
  94                 }
  95                 else
  96                 {
  97                         if (!GetDiskFreeSpaceEx(NULL,&FreeBytesAvailable, &TotalNumberOfBytes, &TotalNumberOfFreeBytes))
  98                                 TotalNumberOfFreeBytes.QuadPart = 0;
  99                 }
 100
 101                 if (TotalNumberOfFreeBytes.QuadPart > 0x100000)
 102                 {
 103                         if (LoadString(hApplet, IDS_SIZEMB, szTemp, MAX_PATH))
 104                         {
 105                                 _stprintf(szSize,szTemp,TotalNumberOfFreeBytes.QuadPart / 0x100000);
 106                                 SetDlgItemText(hwndDlg, IDC_FREESPACE, szSize);
 107                         }
 108                 }
 109                 else
 110                 {
 111                         if (LoadString(hApplet, IDS_SIZEBYTS, szTemp, MAX_PATH))
 112                         {
 113                                 _stprintf(szSize,szTemp,TotalNumberOfFreeBytes.QuadPart);
 114                                 SetDlgItemText(hwndDlg, IDC_FREESPACE, szSize);
 115                         }
 116                 }
 117
 118                 if (msex.ullTotalPhys>0x100000)
 119                 {
 120                         if (LoadString(hApplet, IDS_SIZEMB, szTemp, MAX_PATH))
 121                         {
 122                                 _stprintf(szSize,szTemp,msex.ullTotalPhys/0x100000);
 123                                 SetDlgItemText(hwndDlg, IDC_SPACEFORHIBERNATEFILE,szSize);
 124                         }
 125                 }
 126                 else
 127                 {
 128                         if (LoadString(hApplet, IDS_SIZEBYTS, szTemp, MAX_PATH))
 129                         {
 130                                 _stprintf(szSize,szTemp,msex.ullTotalPhys);
 131                                 SetDlgItemText(hwndDlg, IDC_SPACEFORHIBERNATEFILE, szSize);
 132                         }
 133                 }
 134
 135                 if (TotalNumberOfFreeBytes.QuadPart < msex.ullTotalPhys && !PowerCaps.HiberFilePresent)
 136                 {
 137                         EnableWindow(GetDlgItem(hwndDlg, IDC_HIBERNATEFILE), FALSE);
 138                         ShowWindow(GetDlgItem(hwndDlg, IDC_TOLESSFREESPACE), TRUE);
 139                 }
 140                 else
 141                 {
 142                         ShowWindow(GetDlgItem(hwndDlg, IDC_TOLESSFREESPACE), FALSE);
 143                         EnableWindow(GetDlgItem(hwndDlg, IDC_HIBERNATEFILE), TRUE);
 144                 }
 145         }
 146 }
 147
 148 INT_PTR Hib_SaveData(HWND hwndDlg)
 149 {
 150         BOOLEAN bHibernate;
 151
 152         bHibernate = (BOOLEAN)(IsDlgButtonChecked(hwndDlg, IDC_HIBERNATEFILE) == BST_CHECKED);
 153
 154         if (CallNtPowerInformation(SystemReserveHiberFile,&bHibernate, sizeof(bHibernate), NULL, 0) == STATUS_SUCCESS)
 155         {
 156                 Pos_InitData();
 157                 Adv_InitDialog();
 158                 Hib_InitDialog(hwndDlg);
 159                 return TRUE;
 160         }
 161
 162         return FALSE;
 163 }