settings.c File Reference

#include <windows.h>
#include <tchar.h>
#include <commctrl.h>
#include <shellapi.h>
#include "resource.h"
#include "settings.h"

Include dependency graph for settings.c:

Go to the source code of this file.

Macros
#define	WIN32_LEAN_AND_MEAN
#define	SIZEOF(_v)   (sizeof(_v) / sizeof(*_v))

Functions
static DWORD	QueryDWORD (HKEY hKey, LPCTSTR pszValueName, DWORD Default)
static void	SaveDWORD (HKEY hKey, LPCTSTR pszValueName, DWORD dwValue)
void	LoadSettings (void)
void	SaveSettings (void)
static void	SetupControls (HWND hWnd)
static void	ApplySettings (HWND hWnd)
static void	ReadSettings (HWND hWnd)
static BOOL	OnCommandAbout (HWND hWnd)
BOOL CALLBACK	ScreenSaverConfigureDialog (HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
BOOL WINAPI	RegisterDialogClasses (HANDLE hInst)

Variables
SSSTARS	Settings
static const SSSTARS	FactoryDefaults
static const DWORD	RotoStrings []

Macro Definition Documentation

SIZEOF

#define SIZEOF

(

_v

)

(sizeof(_v) / sizeof(*_v))

Definition at line 30 of file settings.c.

WIN32_LEAN_AND_MEAN

#define WIN32_LEAN_AND_MEAN

Definition at line 21 of file settings.c.

Function Documentation

ApplySettings()

static void ApplySettings ( HWND  hWnd )

static

Definition at line 236 of file settings.c.

{
    SendDlgItemMessage(hWnd, IDC_SLIDER_NUM_OF_STARS, TBM_SETPOS, TRUE, Settings.uiNumStars);
    SetDlgItemInt(hWnd, IDC_TEXT_NUM_OF_STARS, Settings.uiNumStars, FALSE);
 
    SendDlgItemMessage(hWnd, IDC_SLIDER_SPEED, TBM_SETPOS, TRUE, Settings.uiSpeed);
    SetDlgItemInt(hWnd, IDC_TEXT_SPEED, Settings.uiSpeed, FALSE);
 
    SendDlgItemMessage(hWnd, IDC_COMBO_ROTATION, CB_SETCURSEL, (WPARAM)Settings.uiRotation, 0);
 
    SendDlgItemMessage(hWnd, IDC_CHECK_DOBLENDING,  BM_SETCHECK, (WPARAM)Settings.bDoBlending, 0);
    SendDlgItemMessage(hWnd, IDC_CHECK_PERSPECTIVE, BM_SETCHECK, (WPARAM)Settings.bFinePerspective, 0);
    SendDlgItemMessage(hWnd, IDC_CHECK_FILTERING,   BM_SETCHECK, (WPARAM)Settings.bEnableFiltering, 0);
    SendDlgItemMessage(hWnd, IDC_CHECK_SHADING,     BM_SETCHECK, (WPARAM)Settings.bSmoothShading, 0);
}

Referenced by ScreenSaverConfigureDialog().

LoadSettings()

void LoadSettings

(

void

Dlg

)

Definition at line 81 of file settings.c.

{
    HKEY  hKey;
    LONG  lRes;
 
    Settings = FactoryDefaults;
 
    lRes = RegCreateKeyEx(
            HKEY_CURRENT_USER,
            _T("Software\\Microsoft\\ScreenSavers\\Ssstars"),
            0,
            _T(""),
            0,
            KEY_READ,
            NULL,
            &hKey,
            NULL);
 
    if (lRes != ERROR_SUCCESS)
        return;
 
    Settings.uiNumStars = QueryDWORD(hKey, _T("NumberOfStars"),  Settings.uiNumStars);
    Settings.uiSpeed    = QueryDWORD(hKey, _T("Speed"),          Settings.uiSpeed);
    Settings.uiRotation = QueryDWORD(hKey, _T("TypeOfRotation"), Settings.uiRotation);
 
    Settings.bDoBlending      = QueryDWORD(hKey, _T("DoBlending"),      Settings.bDoBlending);
    Settings.bFinePerspective = QueryDWORD(hKey, _T("FinePerspective"), Settings.bFinePerspective);
    Settings.bEnableFiltering = QueryDWORD(hKey, _T("EnableFiltering"), Settings.bEnableFiltering);
    Settings.bSmoothShading   = QueryDWORD(hKey, _T("SmoothShading"),   Settings.bSmoothShading);
 
    // Check the number of stars to be in range
    if (Settings.uiNumStars < MIN_STARS)
        Settings.uiNumStars = MIN_STARS;
    else
    if (Settings.uiNumStars > MAX_STARS)
        Settings.uiNumStars = MAX_STARS;
 
    // Check the speed to be in range
    if (Settings.uiSpeed < MIN_SPEED)
        Settings.uiSpeed = MIN_SPEED;
    else
    if (Settings.uiSpeed > MAX_SPEED)
        Settings.uiSpeed = MAX_SPEED;
 
    // Check type of rotation to be in range
    if (Settings.uiRotation != ROTATION_NONE &&
        Settings.uiRotation != ROTATION_LINEAR &&
        Settings.uiRotation != ROTATION_PERIODIC)
        Settings.uiRotation = ROTATION_PERIODIC;
 
    RegCloseKey(hKey);
}

Referenced by _tWinMain(), InitDevice(), InitInstance(), MAIN_LoadSettings(), MainDialogProc(), OnCreate(), OSK_WndProc(), ScreenSaverConfigureDialog(), ScreenSaverProc(), and wWinMain().

OnCommandAbout()

static BOOL OnCommandAbout ( HWND  hWnd )

static

Definition at line 268 of file settings.c.

{
    HINSTANCE hInstance;
    HICON     hIcon;
    TCHAR     szAppName[256];
    TCHAR     szAuthor[256];
    TCHAR     szLicense[1024];
 
    hInstance = (HINSTANCE)GetWindowLongPtr(hWnd, GWLP_HINSTANCE);
 
    hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_STARFIELD));
 
    LoadString(hInstance, IDS_DESCRIPTION, szAppName, SIZEOF(szAppName));
    LoadString(hInstance, IDS_AUTHOR,      szAuthor,  SIZEOF(szAuthor));
    LoadString(hInstance, IDS_LICENSE,     szLicense, SIZEOF(szLicense));
 
    _tcscat(szAppName, _T("#"));
    _tcscat(szAppName, szAuthor);
 
    ShellAbout(hWnd, szAppName, szLicense, hIcon);
 
    return TRUE;
}

Referenced by ScreenSaverConfigureDialog().

QueryDWORD()

static DWORD QueryDWORD ( HKEY  hKey, LPCTSTR  pszValueName, DWORD  Default  )

static

Definition at line 53 of file settings.c.

{
    DWORD dwData, dwType, cbData;
    LONG  lRes;
 
    dwType = REG_DWORD;
    cbData = sizeof(DWORD);
 
    lRes = RegQueryValueEx(
                hKey,
                pszValueName,
                NULL,
                &dwType,
                (LPBYTE)&dwData,
                &cbData);
 
    if (lRes != ERROR_SUCCESS || dwType != REG_DWORD)
        return Default;
 
    return dwData;
}

Referenced by LoadSettings().

ReadSettings()

static void ReadSettings ( HWND  hWnd )

static

Definition at line 252 of file settings.c.

{
    Settings.uiNumStars = SendDlgItemMessage(hWnd, IDC_SLIDER_NUM_OF_STARS, TBM_GETPOS, 0, 0);
    SetDlgItemInt(hWnd, IDC_TEXT_NUM_OF_STARS, Settings.uiNumStars, FALSE);
 
    Settings.uiSpeed = SendDlgItemMessage(hWnd, IDC_SLIDER_SPEED, TBM_GETPOS, 0, 0);
    SetDlgItemInt(hWnd, IDC_TEXT_SPEED, Settings.uiSpeed, FALSE);
 
    Settings.uiRotation = SendDlgItemMessage(hWnd, IDC_COMBO_ROTATION, CB_GETCURSEL, 0, 0);
 
    Settings.bDoBlending      = SendDlgItemMessage(hWnd, IDC_CHECK_DOBLENDING,  BM_GETCHECK, 0, 0);
    Settings.bFinePerspective = SendDlgItemMessage(hWnd, IDC_CHECK_PERSPECTIVE, BM_GETCHECK, 0, 0);
    Settings.bEnableFiltering = SendDlgItemMessage(hWnd, IDC_CHECK_FILTERING,   BM_GETCHECK, 0, 0);
    Settings.bSmoothShading   = SendDlgItemMessage(hWnd, IDC_CHECK_SHADING,     BM_GETCHECK, 0, 0);
}

Referenced by ScreenSaverConfigureDialog().

RegisterDialogClasses()

BOOL WINAPI RegisterDialogClasses

(

HANDLE

hInst

)

Definition at line 329 of file settings.c.

{
    InitCommonControls();
 
    return TRUE;
}

SaveDWORD()

static void SaveDWORD ( HKEY  hKey, LPCTSTR  pszValueName, DWORD  dwValue  )

static

Definition at line 75 of file settings.c.

{
    RegSetValueEx(hKey, pszValueName, 0, REG_DWORD, (LPBYTE)&dwValue, sizeof(dwValue));
}

Referenced by SaveSettings().

SaveSettings()

void SaveSettings

(

void

Dlg

)

Definition at line 134 of file settings.c.

{
    HKEY  hKey;
    LONG  lRes;
 
    lRes = RegCreateKeyEx(
            HKEY_CURRENT_USER,
            _T("Software\\Microsoft\\ScreenSavers\\Ssstars"),
            0,
            _T(""),
            0,
            KEY_WRITE,
            NULL,
            &hKey,
            NULL);
 
    if (lRes != ERROR_SUCCESS)
        return;
 
    SaveDWORD(hKey, _T("NumberOfStars"),  Settings.uiNumStars);
    SaveDWORD(hKey, _T("Speed"),          Settings.uiSpeed);
    SaveDWORD(hKey, _T("TypeOfRotation"), Settings.uiRotation);
 
    SaveDWORD(hKey, _T("DoBlending"),      Settings.bDoBlending);
    SaveDWORD(hKey, _T("FinePerspective"), Settings.bFinePerspective);
    SaveDWORD(hKey, _T("EnableFiltering"), Settings.bEnableFiltering);
    SaveDWORD(hKey, _T("SmoothShading"),   Settings.bSmoothShading);
 
    RegCloseKey(hKey);
}

Referenced by _tWinMain(), ConfigDlgProc(), FrameWndProc(), GeneralPageProc(), MainDialogProc(), OSK_Close(), OSK_WndProc(), PanelWndProc(), CMainWindow::ProcessWindowMessage(), ScreenSaverConfigureDialog(), anonymous_namespace{settingsdlg.cpp}::SettingsDlgProc(), WndProc(), and wWinMain().

ScreenSaverConfigureDialog()

BOOL CALLBACK ScreenSaverConfigureDialog	(	HWND	hDlg,
		UINT	uMsg,
		WPARAM	wParam,
		LPARAM	lParam
	)

Definition at line 295 of file settings.c.

{
    switch (uMsg) {
    case WM_INITDIALOG:
        LoadSettings();
        SetupControls(hDlg);
        ApplySettings(hDlg);
        return TRUE;
 
    case WM_COMMAND:
        switch (LOWORD( wParam )) {
 
        case IDOK:
            // Write configuration
            SaveSettings();
 
            // Fall down...
        case IDCANCEL:
            EndDialog( hDlg, LOWORD( wParam ));
            return TRUE;
 
        case IDC_BUTTON_ABOUT:
            return OnCommandAbout(hDlg);
        }
 
    case WM_HSCROLL:
        ReadSettings(hDlg);
        return TRUE;
 
    }
 
    return FALSE;
}

SetupControls()

static void SetupControls ( HWND  hWnd )

static

Definition at line 165 of file settings.c.

{
    TCHAR     Strings[256];
    HINSTANCE hInstance;
    UINT      x, gap;
    LOGFONT   lf;
    HFONT     hFont;
    HBITMAP   hCosmos;
    HDC       hDC, hMemDC;
    HGDIOBJ   hOldBmp, hOldFnt;
    SIZE      sizeReactOS;
    SIZE      sizeStarfield;
    BITMAP    bm;
 
    hInstance = (HINSTANCE)GetWindowLongPtr(hWnd, GWLP_HINSTANCE);
 
    SendDlgItemMessage(hWnd, IDC_SLIDER_NUM_OF_STARS, TBM_SETRANGE, FALSE, MAKELPARAM(MIN_STARS, MAX_STARS));
 
    SendDlgItemMessage(hWnd, IDC_SLIDER_SPEED, TBM_SETRANGE, FALSE, MAKELPARAM(1, 100));
 
    for (x = 0; x < ROTATION_ITEMS; x++)
    {
        LoadString(hInstance, RotoStrings[x], Strings, sizeof(Strings)/sizeof(TCHAR));
        SendDlgItemMessage(hWnd, IDC_COMBO_ROTATION, CB_ADDSTRING, 0, (LPARAM)Strings);
    }
 
    hCosmos = LoadImage(hInstance, MAKEINTRESOURCE(IDB_COSMOS), IMAGE_BITMAP, 0, 0, LR_CREATEDIBSECTION | LR_DEFAULTSIZE);
 
    hDC = GetDC(hWnd);
    hMemDC = CreateCompatibleDC(hDC);
 
    // Create the font for the title
    ZeroMemory(&lf, sizeof(lf));
 
    lf.lfWeight  = FW_THIN;
    lf.lfCharSet = ANSI_CHARSET;
    lf.lfQuality = PROOF_QUALITY;
    lf.lfHeight  = 36;
    _tcscpy(lf.lfFaceName, _T("Tahoma"));
 
    hFont = CreateFontIndirect(&lf);
 
    hOldBmp = SelectObject(hMemDC, hCosmos);
    hOldFnt = SelectObject(hMemDC, hFont);
 
    SetBkMode(hMemDC, TRANSPARENT);
    SetTextColor(hMemDC, RGB(0xFF, 0xFF, 0xFF));
 
    x = LoadString(hInstance, IDS_DESCRIPTION, Strings, sizeof(Strings)/sizeof(TCHAR));
 
    GetTextExtentPoint32(hMemDC, _T("ReactOS"), 7, &sizeReactOS);
    GetTextExtentPoint32(hMemDC, Strings,       x, &sizeStarfield);
 
    GetObject(hCosmos, sizeof(BITMAP), &bm);
 
    gap = bm.bmHeight - sizeReactOS.cy - sizeStarfield.cy;
 
    TextOut(hMemDC, 16, gap * 2 / 5, _T("ReactOS"), 7);
    TextOut(hMemDC, 16, gap * 3 / 5 + sizeReactOS.cy, Strings, x);
 
    SelectObject(hMemDC, hOldBmp);
    SelectObject(hMemDC, hOldFnt);
 
    DeleteObject(hFont);
 
    DeleteDC(hMemDC);
    ReleaseDC(hWnd, hDC);
 
    SendDlgItemMessage(hWnd, IDC_IMAGE_COSMOS, STM_SETIMAGE, IMAGE_BITMAP, (LPARAM)hCosmos);
}

Referenced by ScreenSaverConfigureDialog().

Variable Documentation

FactoryDefaults

const SSSTARS FactoryDefaults

static

Initial value:

= {
    MAX_STARS,
    20,
    ROTATION_PERIODIC,
 
    TRUE,
    TRUE,
    TRUE,
    TRUE
}

Definition at line 36 of file settings.c.

Referenced by LoadSettings().

RotoStrings

const DWORD RotoStrings[]

static

Initial value:

= {
    IDS_ROTATION_NONE,
    IDS_ROTATION_LINEAR,
    IDS_ROTATION_PERIODIC
}

Definition at line 47 of file settings.c.

Referenced by SetupControls().

Settings

SSSTARS Settings

Definition at line 33 of file settings.c.