registry.c

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/*
 * PROJECT:     PAINT for ReactOS
 * LICENSE:     LGPL
 * FILE:        base/applications/paint/registry.c
 * PURPOSE:     Offering functions dealing with registry values
 * PROGRAMMERS: Benedikt Freisen
 */

/* INCLUDES *********************************************************/

#include "precomp.h"

/* FUNCTIONS ********************************************************/

void
SetWallpaper(TCHAR * FileName, DWORD dwStyle, DWORD dwTile) //FIXME: Has to be called 2x to apply the pattern (tiled/stretched) too
{
    HKEY hDesktop;
    TCHAR szStyle[3], szTile[3];

    SystemParametersInfo(SPI_SETDESKWALLPAPER, 0, (PVOID) FileName, SPIF_UPDATEINIFILE);

    if ((dwStyle > 2) || (dwTile > 2))
        return;

    if (RegOpenKeyEx(HKEY_CURRENT_USER,
                     _T("Control Panel\\Desktop"), 0, KEY_READ | KEY_SET_VALUE, &hDesktop) == ERROR_SUCCESS)
    {
        RegSetValueEx(hDesktop, _T("Wallpaper"), 0, REG_SZ, (LPBYTE) FileName,
                      _tcslen(FileName) * sizeof(TCHAR));

        _stprintf(szStyle, _T("%i"), dwStyle);
        _stprintf(szTile, _T("%i"), dwTile);

        RegSetValueEx(hDesktop, _T("WallpaperStyle"), 0, REG_SZ, (LPBYTE) szStyle,
                      _tcslen(szStyle) * sizeof(TCHAR));
        RegSetValueEx(hDesktop, _T("TileWallpaper"), 0, REG_SZ, (LPBYTE) szTile,
                      _tcslen(szTile) * sizeof(TCHAR));

        RegCloseKey(hDesktop);
    }
}