/*++

  Copyright (c) Microsoft Corporation. All rights reserved.

  Module Name:

    Misc.cpp

  Abstract:

    Implements misc. functionality

  Notes:

    Unicode only.

  History:

    05/04/2001  rparsons    Created
    01/11/2002  rparsons    Cleaned up

--*/
#include "precomp.h"

extern APPINFO g_ai;

/*++

  Routine Description:

    Retrieves or sets position info in the registry.

  Arguments:

    fSave   -   If true, indicates we're saving data.
    *lppt   -   A POINT structure that contains/receives our data.

  Return Value:

    None.

--*/
void
GetSavePositionInfo(
    IN     BOOL   fSave,
    IN OUT POINT* lppt
    )
{
    HKEY        hKey;
    DWORD       cbSize = 0, dwDisposition = 0;
    LONG        lRetVal = 0;

    //
    // Initialize our coordinates in case there's no data there.
    //
    if (!fSave) {
        lppt->x = lppt->y = 0;
    }

    //
    // Open the registry key (or create it if the first time being used).
    //
    lRetVal = RegCreateKeyEx(HKEY_CURRENT_USER,
                             L"Software\\Microsoft\\ShimViewer",
                             0,
                             0,
                             REG_OPTION_NON_VOLATILE,
                             KEY_QUERY_VALUE | KEY_SET_VALUE,
                             0,
                             &hKey,
                             &dwDisposition);

    if (ERROR_SUCCESS != lRetVal) {
        return;
    }

    //
    // Save or retrieve our coordinates.
    //
    if (fSave) {
        RegSetValueEx(hKey,
                      L"DlgCoordinates",
                      0,
                      REG_BINARY,
                      (const BYTE*)lppt,
                      sizeof(*lppt));

    } else {
        cbSize = sizeof(*lppt);
        RegQueryValueEx(hKey,
                        L"DlgCoordinates",
                        0,
                        0,
                        (LPBYTE)lppt,
                        &cbSize);
    }

    RegCloseKey(hKey);
}

/*++

  Routine Description:

    Retrieves or sets setting info in the registry.

  Arguments:

    fSave   -   If true, indicates we're saving data.

  Return Value:

    TRUE on success, FALSE otherwise.

--*/
void
GetSaveSettings(
    IN BOOL fSave
    )
{
    HKEY    hKey;
    LONG    lRetVal = 0;
    DWORD   dwOnTop = 0, dwMinimize = 0, dwMonitor = 0;
    DWORD   dwDisposition = 0, cbSize = 0;

    //
    // Open the registry key (or create it if the first time being used).
    //
    lRetVal = RegCreateKeyEx(HKEY_CURRENT_USER,
                             L"Software\\Microsoft\\ShimViewer",
                             0,
                             0,
                             REG_OPTION_NON_VOLATILE,
                             KEY_ALL_ACCESS,
                             0,
                             &hKey,
                             &dwDisposition);

    if (ERROR_SUCCESS != lRetVal) {
        return;
    }

    if (fSave) {
        if (g_ai.fOnTop) {
            dwOnTop = 1;
        }

        if (g_ai.fMinimize) {
            dwMinimize = 1;
        }

        if (g_ai.fMonitor) {
            dwMonitor = 1;
        }

        lRetVal = RegSetValueEx(hKey,
                      L"AlwaysOnTop",
                      0,
                      REG_DWORD,
                      (const BYTE*)&dwOnTop,
                      sizeof(DWORD));

        RegSetValueEx(hKey,
                      L"StartMinimize",
                      0,
                      REG_DWORD,
                      (const BYTE*)&dwMinimize,
                      sizeof(DWORD));

        RegSetValueEx(hKey,
                      L"MonitorMessages",
                      0,
                      REG_DWORD,
                      (const BYTE*)&dwMonitor,
                      sizeof(DWORD));


    } else {
        cbSize = sizeof(DWORD);
        RegQueryValueEx(hKey,
                        L"AlwaysOnTop",
                        0,
                        0,
                        (LPBYTE)&dwOnTop,
                        &cbSize);

        cbSize = sizeof(DWORD);
        RegQueryValueEx(hKey,
                        L"StartMinimize",
                        0,
                        0,
                        (LPBYTE)&dwMinimize,
                        &cbSize);

        cbSize = sizeof(DWORD);
        lRetVal = RegQueryValueEx(hKey,
                                  L"MonitorMessages",
                                  0,
                                  0,
                                  (LPBYTE)&dwMonitor,
                                  &cbSize);

        if (dwOnTop) {
            g_ai.fOnTop = TRUE;
        }

        if (dwMinimize) {
            g_ai.fMinimize = TRUE;
        }

        if (dwMonitor || ERROR_SUCCESS != lRetVal) {
            g_ai.fMonitor = TRUE;
        }

    }

    RegCloseKey(hKey);
}