reactos/dll/cpl/powercfg/powercfg.c

/*
 * PROJECT:         ReactOS Power Configuration Applet
 * LICENSE:         GPL - See COPYING in the top level directory
 * FILE:            dll/cpl/powercfg/powercfg.c
 * PURPOSE:         initialization of applet
 * PROGRAMMERS:     Alexander Wurzinger (Lohnegrim at gmx dot net)
 *                  Johannes Anderwald (johannes.anderwald@reactos.org)
 *                  Martin Rottensteiner
 *                  Dmitry Chapyshev (lentind@yandex.ru)
 */

#include "powercfg.h"

#include <winreg.h>
#include <regstr.h>

#define NUM_APPLETS (1)

static LONG APIENTRY Applet1(HWND hwnd, UINT uMsg, LPARAM wParam, LPARAM lParam);


HINSTANCE hApplet = 0;
GLOBAL_POWER_POLICY gGPP;
TCHAR langSel[255];

/* Applets */
APPLET Applets[NUM_APPLETS] =
{
  {IDC_CPLICON_1, IDS_CPLNAME_1, IDS_CPLDESCRIPTION_1, Applet1}
};

static BOOL CALLBACK
PropSheetAddPage(HPROPSHEETPAGE hpage, LPARAM lParam)
{
    PROPSHEETHEADER *ppsh = (PROPSHEETHEADER *)lParam;
    if (ppsh != NULL && ppsh->nPages < MAX_POWER_PAGES)
    {
        ppsh->phpage[ppsh->nPages++] = hpage;
        return TRUE;
    }

    return FALSE;
}

static BOOL
InitPropSheetPage(PROPSHEETHEADER *ppsh, WORD idDlg, DLGPROC DlgProc)
{
    HPROPSHEETPAGE hPage;
    PROPSHEETPAGE psp;

    if (ppsh->nPages < MAX_POWER_PAGES)
    {
        ZeroMemory(&psp, sizeof(psp));
        psp.dwSize = sizeof(psp);
        psp.dwFlags = PSP_DEFAULT;
        psp.hInstance = hApplet;
        psp.pszTemplate = MAKEINTRESOURCE(idDlg);
        psp.pfnDlgProc = DlgProc;

        hPage = CreatePropertySheetPage(&psp);
        if (hPage != NULL)
        {
            return PropSheetAddPage(hPage, (LPARAM)ppsh);
        }
    }

    return FALSE;
}

static int CALLBACK
PropSheetProc(HWND hwndDlg, UINT uMsg, LPARAM lParam)
{
    // NOTE: This callback is needed to set large icon correctly.
    HICON hIcon;
    switch (uMsg)
    {
        case PSCB_INITIALIZED:
        {
            hIcon = LoadIconW(hApplet, MAKEINTRESOURCEW(IDC_CPLICON_1));
            SendMessageW(hwndDlg, WM_SETICON, ICON_BIG, (LPARAM)hIcon);
            break;
        }
    }
    return 0;
}

/* First Applet */
static LONG APIENTRY
Applet1(HWND hwnd, UINT uMsg, LPARAM wParam, LPARAM lParam)
{
  HPROPSHEETPAGE hpsp[MAX_POWER_PAGES];
  PROPSHEETHEADER psh;
  HPSXA hpsxa = NULL;
  TCHAR Caption[1024];
  SYSTEM_POWER_CAPABILITIES spc;
  LONG ret;

  UNREFERENCED_PARAMETER(uMsg);
  UNREFERENCED_PARAMETER(wParam);
  UNREFERENCED_PARAMETER(lParam);

  memset(Caption, 0x0, sizeof(Caption));
  LoadString(hApplet, IDS_CPLNAME_1, Caption, sizeof(Caption) / sizeof(TCHAR));

  ZeroMemory(&psh, sizeof(PROPSHEETHEADER));
  psh.dwSize = sizeof(PROPSHEETHEADER);
  psh.dwFlags = PSH_PROPTITLE | PSH_USEICONID | PSH_USECALLBACK;
  psh.hwndParent = hwnd;
  psh.hInstance = hApplet;
  psh.pszIcon = MAKEINTRESOURCEW(IDC_CPLICON_1);
  psh.pszCaption = Caption;
  psh.nPages = 0;
  psh.nStartPage = 0;
  psh.phpage = hpsp;
  psh.pfnCallback = PropSheetProc;

  InitPropSheetPage(&psh, IDD_PROPPAGEPOWERSCHEMES, PowerSchemesDlgProc);
  if (GetPwrCapabilities(&spc))
  {
    if (spc.SystemBatteriesPresent)
    {
      InitPropSheetPage(&psh, IDD_PROPPAGEALARMS, AlarmsDlgProc);
    }
  }
  InitPropSheetPage(&psh, IDD_PROPPAGEADVANCED, AdvancedDlgProc);
  InitPropSheetPage(&psh, IDD_PROPPAGEHIBERNATE, HibernateDlgProc);

  /* Load additional pages provided by shell extensions */
  hpsxa = SHCreatePropSheetExtArray(HKEY_LOCAL_MACHINE, REGSTR_PATH_CONTROLSFOLDER TEXT("\\Power"), MAX_POWER_PAGES - psh.nPages);
  if (hpsxa != NULL)
      SHAddFromPropSheetExtArray(hpsxa, PropSheetAddPage, (LPARAM)&psh);

  ret = (LONG)(PropertySheet(&psh) != -1);

  if (hpsxa != NULL)
    SHDestroyPropSheetExtArray(hpsxa);

  return ret;
}

/* Control Panel Callback */
LONG CALLBACK
CPlApplet(HWND hwndCPl,
          UINT uMsg,
          LPARAM lParam1,
          LPARAM lParam2)
{
  int i = (int)lParam1;

  switch(uMsg)
  {
    case CPL_INIT:
    {
      return TRUE;
    }
    case CPL_GETCOUNT:
    {
      return NUM_APPLETS;
    }
    case CPL_INQUIRE:
    {
      CPLINFO *CPlInfo = (CPLINFO*)lParam2;
      CPlInfo->lData = 0;
      CPlInfo->idIcon = Applets[i].idIcon;
      CPlInfo->idName = Applets[i].idName;
      CPlInfo->idInfo = Applets[i].idDescription;
      break;
    }
    case CPL_DBLCLK:
    {
      Applets[i].AppletProc(hwndCPl, uMsg, lParam1, lParam2);
      break;
    }
  }
  return FALSE;
}


BOOLEAN WINAPI
DllMain(HINSTANCE hinstDLL,
        DWORD dwReason,
        LPVOID lpvReserved)
{
  UNREFERENCED_PARAMETER(lpvReserved);
  switch(dwReason)
  {
    case DLL_PROCESS_ATTACH:
    case DLL_THREAD_ATTACH:
      hApplet = hinstDLL;
      break;
  }
  return TRUE;
}