settings.c File Reference

#include "notepad.h"
#include <winreg.h>

Include dependency graph for settings.c:

Go to the source code of this file.

Functions
static LONG	HeightFromPointSize (DWORD dwPointSize)
static DWORD	PointSizeFromHeight (LONG lHeight)
static BOOL	QueryGeneric (HKEY hKey, LPCTSTR pszValueNameT, DWORD dwExpectedType, LPVOID pvResult, DWORD dwResultSize)
static BOOL	QueryDword (HKEY hKey, LPCTSTR pszValueName, DWORD *pdwResult)
static BOOL	QueryByte (HKEY hKey, LPCTSTR pszValueName, BYTE *pbResult)
static BOOL	QueryBool (HKEY hKey, LPCTSTR pszValueName, BOOL *pbResult)
static BOOL	QueryString (HKEY hKey, LPCTSTR pszValueName, LPTSTR pszResult, DWORD dwResultLength)
void	NOTEPAD_LoadSettingsFromRegistry (void)
static BOOL	SaveDword (HKEY hKey, LPCTSTR pszValueNameT, DWORD dwValue)
static BOOL	SaveString (HKEY hKey, LPCTSTR pszValueNameT, LPCTSTR pszValue)
void	NOTEPAD_SaveSettingsToRegistry (void)

Variables
static LPCTSTR	s_szRegistryKey = _T("Software\\Microsoft\\Notepad")

Function Documentation

HeightFromPointSize()

static LONG HeightFromPointSize ( DWORD  dwPointSize )

static

Definition at line 17 of file settings.c.

{
    LONG lHeight;
    HDC hDC;
 
    hDC = GetDC(NULL);
    lHeight = -MulDiv(dwPointSize, GetDeviceCaps(hDC, LOGPIXELSY), 720);
    ReleaseDC(NULL, hDC);
 
    return lHeight;
}

Referenced by NOTEPAD_LoadSettingsFromRegistry().

NOTEPAD_LoadSettingsFromRegistry()

void NOTEPAD_LoadSettingsFromRegistry

(

void

)

Definition at line 105 of file settings.c.

{
    HKEY hKey;
    HFONT hFont;
    DWORD dwPointSize, cx, cy;
    DWORD cxScreen = GetSystemMetrics(SM_CXSCREEN), cyScreen = GetSystemMetrics(SM_CYSCREEN);
 
    /* Set the default values */
    Globals.bShowStatusBar = TRUE;
    Globals.bWrapLongLines = FALSE;
    SetRect(&Globals.lMargins, 750, 1000, 750, 1000);
    ZeroMemory(&Globals.lfFont, sizeof(Globals.lfFont));
    Globals.lfFont.lfCharSet = DEFAULT_CHARSET;
    dwPointSize = 100;
    Globals.lfFont.lfWeight = FW_NORMAL;
    Globals.lfFont.lfPitchAndFamily = FIXED_PITCH | FF_MODERN;
    Globals.main_rect.left = CW_USEDEFAULT;
    Globals.main_rect.top = CW_USEDEFAULT;
    cx = min((cxScreen * 3) / 4, 640);
    cy = min((cyScreen * 3) / 4, 480);
 
    /* FIXME: Globals.fSaveWindowPositions = FALSE; */
    /* FIXME: Globals.fMLE_is_broken = FALSE; */
 
    /* Open the target registry key */
    if (RegOpenKey(HKEY_CURRENT_USER, s_szRegistryKey, &hKey) != ERROR_SUCCESS)
        hKey = NULL;
 
    /* Load the values from registry */
    if (hKey)
    {
        QueryByte(hKey, _T("lfCharSet"), &Globals.lfFont.lfCharSet);
        QueryByte(hKey, _T("lfClipPrecision"), &Globals.lfFont.lfClipPrecision);
        QueryDword(hKey, _T("lfEscapement"), (DWORD*)&Globals.lfFont.lfEscapement);
        QueryByte(hKey, _T("lfItalic"), &Globals.lfFont.lfItalic);
        QueryDword(hKey, _T("lfOrientation"), (DWORD*)&Globals.lfFont.lfOrientation);
        QueryByte(hKey, _T("lfOutPrecision"), &Globals.lfFont.lfOutPrecision);
        QueryByte(hKey, _T("lfPitchAndFamily"), &Globals.lfFont.lfPitchAndFamily);
        QueryByte(hKey, _T("lfQuality"), &Globals.lfFont.lfQuality);
        QueryByte(hKey, _T("lfStrikeOut"), &Globals.lfFont.lfStrikeOut);
        QueryByte(hKey, _T("lfUnderline"), &Globals.lfFont.lfUnderline);
        QueryDword(hKey, _T("lfWeight"), (DWORD*)&Globals.lfFont.lfWeight);
        QueryDword(hKey, _T("iPointSize"), &dwPointSize);
 
        QueryBool(hKey, _T("fWrap"), &Globals.bWrapLongLines);
        QueryBool(hKey, _T("fStatusBar"), &Globals.bShowStatusBar);
 
        QueryDword(hKey, _T("iMarginLeft"), (DWORD*)&Globals.lMargins.left);
        QueryDword(hKey, _T("iMarginTop"), (DWORD*)&Globals.lMargins.top);
        QueryDword(hKey, _T("iMarginRight"), (DWORD*)&Globals.lMargins.right);
        QueryDword(hKey, _T("iMarginBottom"), (DWORD*)&Globals.lMargins.bottom);
 
        QueryDword(hKey, _T("iWindowPosX"), (DWORD*)&Globals.main_rect.left);
        QueryDword(hKey, _T("iWindowPosY"), (DWORD*)&Globals.main_rect.top);
        QueryDword(hKey, _T("iWindowPosDX"), &cx);
        QueryDword(hKey, _T("iWindowPosDY"), &cy);
 
        QueryString(hKey, _T("searchString"), Globals.szFindText, _countof(Globals.szFindText));
        QueryString(hKey, _T("replaceString"), Globals.szReplaceText, _countof(Globals.szReplaceText));
    }
 
    Globals.lfFont.lfHeight = HeightFromPointSize(dwPointSize);
    Globals.main_rect.right = Globals.main_rect.left + cx;
    Globals.main_rect.bottom = Globals.main_rect.top + cy;
 
    if (!hKey || !QueryString(hKey, _T("lfFaceName"),
                              Globals.lfFont.lfFaceName, _countof(Globals.lfFont.lfFaceName)))
    {
        LoadString(Globals.hInstance, STRING_DEFAULTFONT, Globals.lfFont.lfFaceName,
                   _countof(Globals.lfFont.lfFaceName));
    }
 
    if (!hKey || !QueryString(hKey, _T("szHeader"), Globals.szHeader, _countof(Globals.szHeader)))
    {
        LoadString(Globals.hInstance, STRING_PAGESETUP_HEADERVALUE, Globals.szHeader,
                   _countof(Globals.szHeader));
    }
 
    if (!hKey || !QueryString(hKey, _T("szTrailer"), Globals.szFooter, _countof(Globals.szFooter)))
    {
        LoadString(Globals.hInstance, STRING_PAGESETUP_FOOTERVALUE, Globals.szFooter,
                   _countof(Globals.szFooter));
    }
 
    if (hKey)
        RegCloseKey(hKey);
 
    /* WORKAROUND: Far East Asian users may not have suitable fixed-pitch fonts. */
    switch (PRIMARYLANGID(GetUserDefaultLangID()))
    {
        case LANG_CHINESE:
        case LANG_JAPANESE:
        case LANG_KOREAN:
            Globals.lfFont.lfPitchAndFamily = DEFAULT_PITCH | FF_DONTCARE;
            break;
    }
 
    hFont = CreateFontIndirect(&Globals.lfFont);
    SendMessage(Globals.hEdit, WM_SETFONT, (WPARAM)hFont, TRUE);
    if (hFont)
    {
        if (Globals.hFont)
            DeleteObject(Globals.hFont);
        Globals.hFont = hFont;
    }
}

Referenced by _tWinMain().

NOTEPAD_SaveSettingsToRegistry()

void NOTEPAD_SaveSettingsToRegistry

(

void

)

Definition at line 227 of file settings.c.

{
    HKEY hKey;
    DWORD dwDisposition;
 
    GetWindowRect(Globals.hMainWnd, &Globals.main_rect);
 
    if (RegCreateKeyEx(HKEY_CURRENT_USER, s_szRegistryKey,
                       0, NULL, 0, KEY_SET_VALUE, NULL,
                       &hKey, &dwDisposition) == ERROR_SUCCESS)
    {
        SaveDword(hKey, _T("lfCharSet"), Globals.lfFont.lfCharSet);
        SaveDword(hKey, _T("lfClipPrecision"), Globals.lfFont.lfClipPrecision);
        SaveDword(hKey, _T("lfEscapement"), Globals.lfFont.lfEscapement);
        SaveString(hKey, _T("lfFaceName"), Globals.lfFont.lfFaceName);
        SaveDword(hKey, _T("lfItalic"), Globals.lfFont.lfItalic);
        SaveDword(hKey, _T("lfOrientation"), Globals.lfFont.lfOrientation);
        SaveDword(hKey, _T("lfOutPrecision"), Globals.lfFont.lfOutPrecision);
        SaveDword(hKey, _T("lfPitchAndFamily"), Globals.lfFont.lfPitchAndFamily);
        SaveDword(hKey, _T("lfQuality"), Globals.lfFont.lfQuality);
        SaveDword(hKey, _T("lfStrikeOut"), Globals.lfFont.lfStrikeOut);
        SaveDword(hKey, _T("lfUnderline"), Globals.lfFont.lfUnderline);
        SaveDword(hKey, _T("lfWeight"), Globals.lfFont.lfWeight);
        SaveDword(hKey, _T("iPointSize"), PointSizeFromHeight(Globals.lfFont.lfHeight));
        SaveDword(hKey, _T("fWrap"), Globals.bWrapLongLines ? 1 : 0);
        SaveDword(hKey, _T("fStatusBar"), Globals.bShowStatusBar ? 1 : 0);
        SaveString(hKey, _T("szHeader"), Globals.szHeader);
        SaveString(hKey, _T("szTrailer"), Globals.szFooter);
        SaveDword(hKey, _T("iMarginLeft"), Globals.lMargins.left);
        SaveDword(hKey, _T("iMarginTop"), Globals.lMargins.top);
        SaveDword(hKey, _T("iMarginRight"), Globals.lMargins.right);
        SaveDword(hKey, _T("iMarginBottom"), Globals.lMargins.bottom);
        SaveDword(hKey, _T("iWindowPosX"), Globals.main_rect.left);
        SaveDword(hKey, _T("iWindowPosY"), Globals.main_rect.top);
        SaveDword(hKey, _T("iWindowPosDX"), Globals.main_rect.right - Globals.main_rect.left);
        SaveDword(hKey, _T("iWindowPosDY"), Globals.main_rect.bottom - Globals.main_rect.top);
        SaveString(hKey, _T("searchString"), Globals.szFindText);
        SaveString(hKey, _T("replaceString"), Globals.szReplaceText);
 
        RegCloseKey(hKey);
    }
}

Referenced by NOTEPAD_WndProc().

PointSizeFromHeight()

static DWORD PointSizeFromHeight ( LONG  lHeight )

static

Definition at line 29 of file settings.c.

{
    DWORD dwPointSize;
    HDC hDC;
 
    hDC = GetDC(NULL);
    dwPointSize = -MulDiv(lHeight, 720, GetDeviceCaps(hDC, LOGPIXELSY));
    ReleaseDC(NULL, hDC);
 
    /* round to nearest multiple of 10 */
    dwPointSize += 5;
    dwPointSize -= dwPointSize % 10;
 
    return dwPointSize;
}

Referenced by NOTEPAD_SaveSettingsToRegistry().

QueryBool()

static BOOL QueryBool ( HKEY  hKey, LPCTSTR  pszValueName, BOOL *  pbResult  )

static

Definition at line 81 of file settings.c.

{
    DWORD dwResult;
    if (!QueryDword(hKey, pszValueName, &dwResult))
        return FALSE;
    *pbResult = dwResult ? TRUE : FALSE;
    return TRUE;
}

Referenced by NOTEPAD_LoadSettingsFromRegistry().

QueryByte()

static BOOL QueryByte ( HKEY  hKey, LPCTSTR  pszValueName, BYTE *  pbResult  )

static

Definition at line 70 of file settings.c.

{
    DWORD dwResult;
    if (!QueryGeneric(hKey, pszValueName, REG_DWORD, &dwResult, sizeof(dwResult)))
        return FALSE;
    if (dwResult >= 0x100)
        return FALSE;
    *pbResult = (BYTE) dwResult;
    return TRUE;
}

Referenced by NOTEPAD_LoadSettingsFromRegistry().

QueryDword()

static BOOL QueryDword ( HKEY  hKey, LPCTSTR  pszValueName, DWORD *  pdwResult  )

static

Definition at line 65 of file settings.c.

{
    return QueryGeneric(hKey, pszValueName, REG_DWORD, pdwResult, sizeof(*pdwResult));
}

Referenced by NOTEPAD_LoadSettingsFromRegistry(), and QueryBool().

QueryGeneric()

static BOOL QueryGeneric ( HKEY  hKey, LPCTSTR  pszValueNameT, DWORD  dwExpectedType, LPVOID  pvResult, DWORD  dwResultSize  )

static

Definition at line 46 of file settings.c.

{
    DWORD dwType, cbData;
    LPVOID *pTemp = _alloca(dwResultSize);
 
    ZeroMemory(pTemp, dwResultSize);
 
    cbData = dwResultSize;
    if (RegQueryValueEx(hKey, pszValueNameT, NULL, &dwType, (LPBYTE) pTemp, &cbData) != ERROR_SUCCESS)
        return FALSE;
 
    if (dwType != dwExpectedType)
        return FALSE;
 
    memcpy(pvResult, pTemp, cbData);
    return TRUE;
}

Referenced by QueryByte(), QueryDword(), and QueryString().

QueryString()

static BOOL QueryString ( HKEY  hKey, LPCTSTR  pszValueName, LPTSTR  pszResult, DWORD  dwResultLength  )

static

Definition at line 90 of file settings.c.

{
    if (dwResultLength == 0)
        return FALSE;
    if (!QueryGeneric(hKey, pszValueName, REG_SZ, pszResult, dwResultLength * sizeof(TCHAR)))
        return FALSE;
    pszResult[dwResultLength - 1] = 0; /* Avoid buffer overrun */
    return TRUE;
}

Referenced by NOTEPAD_LoadSettingsFromRegistry().

SaveDword()

static BOOL SaveDword ( HKEY  hKey, LPCTSTR  pszValueNameT, DWORD  dwValue  )

static

Definition at line 212 of file settings.c.

{
    return RegSetValueEx(hKey, pszValueNameT, 0, REG_DWORD, (LPBYTE) &dwValue, sizeof(dwValue)) == ERROR_SUCCESS;
}

Referenced by NOTEPAD_SaveSettingsToRegistry().

SaveString()

static BOOL SaveString ( HKEY  hKey, LPCTSTR  pszValueNameT, LPCTSTR  pszValue  )

static

Definition at line 217 of file settings.c.

{
    return RegSetValueEx(hKey, pszValueNameT, 0, REG_SZ, (LPBYTE) pszValue, (DWORD) _tcslen(pszValue) * sizeof(*pszValue)) == ERROR_SUCCESS;
}

Referenced by NOTEPAD_SaveSettingsToRegistry().

Variable Documentation

s_szRegistryKey

LPCTSTR s_szRegistryKey = _T("Software\\Microsoft\\Notepad")

static

Definition at line 14 of file settings.c.

Referenced by NOTEPAD_LoadSettingsFromRegistry(), and NOTEPAD_SaveSettingsToRegistry().