powercfg.c

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/*
 * PROJECT:     ReactOS Power Configuration Applet
 * LICENSE:     GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
 * PURPOSE:     Applet initialization
 * COPYRIGHT:   Copyright 2006-2009 Alexander Wurzinger <lohnegrim@gmx.net>
 *              Copyright 2006 Johannes Anderwald <johannes.anderwald@reactos.org>
 *              Copyright 2006 Martin Rottensteiner <2005only@pianonote.at>
 */
 
#include "powercfg.h"
 
#include <winreg.h>
#include <regstr.h>
 
HINSTANCE hApplet = NULL;
GLOBAL_POWER_POLICY gGPP;
TCHAR langSel[255];
 
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));
            SendMessageW(hwndDlg, WM_SETICON, ICON_BIG, (LPARAM)hIcon);
            break;
        }
    }
    return 0;
}
 
/* First Applet */
static LONG APIENTRY
Applet(HWND hwnd, UINT uMsg, LPARAM wParam, LPARAM lParam)
{
    HPROPSHEETPAGE hpsp[MAX_POWER_PAGES];
    PROPSHEETHEADER psh;
    HPSXA hpsxa = NULL;
    SYSTEM_POWER_CAPABILITIES spc;
    LONG ret;
 
    UNREFERENCED_PARAMETER(uMsg);
    UNREFERENCED_PARAMETER(wParam);
    UNREFERENCED_PARAMETER(lParam);
 
    ZeroMemory(&psh, sizeof(psh));
    psh.dwSize = sizeof(psh);
    psh.dwFlags = PSH_PROPTITLE | PSH_USEICONID | PSH_USECALLBACK;
    psh.hwndParent = hwnd;
    psh.hInstance = hApplet;
    psh.pszIcon = MAKEINTRESOURCEW(IDC_CPLICON);
    psh.pszCaption = MAKEINTRESOURCEW(IDS_CPLNAME);
    psh.nPages = 0;
    psh.nStartPage = 0;
    psh.phpage = hpsp;
    psh.pfnCallback = PropSheetProc;
 
    if (!GetPwrCapabilities(&spc))
        return GetLastError();
 
    if (spc.SystemBatteriesPresent)
    {
        InitPropSheetPage(&psh, IDD_POWERSCHEMESPAGE_ACDC, PowerSchemesDlgProc);
        InitPropSheetPage(&psh, IDD_PROPPAGEALARMS, AlarmsDlgProc);
        InitPropSheetPage(&psh, IDD_PROPPAGEPOWERMETER, PowerMeterDlgProc);
    }
    else
    {
        InitPropSheetPage(&psh, IDD_POWERSCHEMESPAGE_AC, PowerSchemesDlgProc);
    }
    InitPropSheetPage(&psh, IDD_PROPPAGEADVANCED, AdvancedDlgProc);
    if (spc.SystemS4)
    {
        /* ACPI S4 state is supported, display the "Hibernate" page
         * where we can enable or disable the hibernation file */
        InitPropSheetPage(&psh, IDD_PROPPAGEHIBERNATE, HibernateDlgProc);
    }
 
    // TODO: Add UPS page (check spc.UpsPresent)
 
    /* 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 */
#define NUM_APPLETS 1
LONG CALLBACK
CPlApplet(HWND hwndCPl,
          UINT uMsg,
          LPARAM lParam1,
          LPARAM lParam2)
{
    UINT i = (UINT)lParam1;
 
    switch (uMsg)
    {
        case CPL_INIT:
            return TRUE;
 
        case CPL_GETCOUNT:
            return NUM_APPLETS;
 
        case CPL_INQUIRE:
            if (i < NUM_APPLETS)
            {
                CPLINFO *CPlInfo = (CPLINFO*)lParam2;
                CPlInfo->lData = 0;
                CPlInfo->idIcon = IDC_CPLICON;
                CPlInfo->idName = IDS_CPLNAME;
                CPlInfo->idInfo = IDS_CPLDESCRIPTION;
            }
            else
            {
                return TRUE;
            }
            break;
 
        case CPL_DBLCLK:
            if (i < NUM_APPLETS)
                Applet(hwndCPl, uMsg, lParam1, lParam2);
            else
                return TRUE;
            break;
    }
 
    return FALSE;
}
 
 
BOOLEAN WINAPI
DllMain(HINSTANCE hinstDLL,
        DWORD dwReason,
        LPVOID lpvReserved)
{
    UNREFERENCED_PARAMETER(lpvReserved);
 
    switch (dwReason)
    {
        case DLL_PROCESS_ATTACH:
            DisableThreadLibraryCalls(hinstDLL);
            hApplet = hinstDLL;
            break;
    }
 
    return TRUE;
}