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