misc.c File Reference

#include "precomp.h"

Include dependency graph for misc.c:

Go to the source code of this file.

Functions
static INT	LengthOfStrResource (IN HINSTANCE hInst, IN UINT uID)
INT	AllocAndLoadString (OUT LPTSTR *lpTarget, IN HINSTANCE hInst, IN UINT uID)
DWORD	LoadAndFormatString (IN HINSTANCE hInstance, IN UINT uID, OUT LPTSTR *lpTarget,...)
BOOL	StatusBarLoadAndFormatString (IN HWND hStatusBar, IN INT PartId, IN HINSTANCE hInstance, IN UINT uID,...)
BOOL	StatusBarLoadString (IN HWND hStatusBar, IN INT PartId, IN HINSTANCE hInstance, IN UINT uID)
INT	GetTextFromEdit (OUT LPTSTR lpString, IN HWND hDlg, IN UINT Res)
VOID	GetError (DWORD err)

Function Documentation

AllocAndLoadString()

INT AllocAndLoadString	(	OUT LPTSTR *	lpTarget,
		IN HINSTANCE	hInst,
		IN UINT	uID
	)

Definition at line 40 of file misc.c.

{
    INT ln;

    ln = LengthOfStrResource(hInst,
                             uID);
    if (ln++ > 0)
    {
        (*lpTarget) = (LPTSTR)LocalAlloc(LMEM_FIXED,
                                         ln * sizeof(TCHAR));
        if ((*lpTarget) != NULL)
        {
            INT Ret;
            if (!(Ret = LoadString(hInst, uID, *lpTarget, ln)))
            {
                LocalFree((HLOCAL)(*lpTarget));
            }
            return Ret;
        }
    }
    return 0;
}

GetError()

VOID GetError

(

DWORD

err

)

Definition at line 183 of file misc.c.

{
    LPVOID lpMsgBuf;

    if (err == 0)
        err = GetLastError();

    FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
                  FORMAT_MESSAGE_FROM_SYSTEM |
                  FORMAT_MESSAGE_IGNORE_INSERTS,
                  NULL,
                  err,
                  MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
                  (LPTSTR) &lpMsgBuf,
                  0,
                  NULL );

    MessageBox(NULL, (LPCTSTR) lpMsgBuf, _T("Error!"), MB_OK | MB_ICONERROR);

    LocalFree(lpMsgBuf);
}

GetTextFromEdit()

INT GetTextFromEdit	(	OUT LPTSTR	lpString,
		IN HWND	hDlg,
		IN UINT	Res
	)

Definition at line 164 of file misc.c.

{
    INT len = GetWindowTextLength(GetDlgItem(hDlg, Res));
    if(len > 0)
    {
        GetDlgItemText(hDlg,
                       Res,
                       lpString,
                       len + 1);
    }
    else
        lpString = NULL;

    return len;
}

LengthOfStrResource()

static INT LengthOfStrResource ( IN HINSTANCE  hInst, IN UINT  uID  )

static

Definition at line 4 of file misc.c.

{
    HRSRC hrSrc;
    HGLOBAL hRes;
    LPWSTR lpName, lpStr;

    if (hInst == NULL)
    {
        return -1;
    }

    /* There are always blocks of 16 strings */
    lpName = (LPWSTR)MAKEINTRESOURCE((uID >> 4) + 1);

    /* Find the string table block */
    if ((hrSrc = FindResourceW(hInst, lpName, (LPWSTR)RT_STRING)) &&
        (hRes = LoadResource(hInst, hrSrc)) &&
        (lpStr = (WCHAR*) LockResource(hRes)))
    {
        UINT x;

        /* Find the string we're looking for */
        uID &= 0xF; /* position in the block, same as % 16 */
        for (x = 0; x < uID; x++)
        {
            lpStr += (*lpStr) + 1;
        }

        /* Found the string */
        return (int)(*lpStr);
    }
    return -1;
}

LoadAndFormatString()

DWORD LoadAndFormatString	(	IN HINSTANCE	hInstance,
		IN UINT	uID,
		OUT LPTSTR *	lpTarget,
			...
	)

Definition at line 66 of file misc.c.

{
    DWORD Ret = 0;
    LPTSTR lpFormat;
    va_list lArgs;

    if (AllocAndLoadString(&lpFormat,
                           hInstance,
                           uID) > 0)
    {
        va_start(lArgs, lpTarget);
        /* let's use FormatMessage to format it because it has the ability to allocate
           memory automatically */
        Ret = FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_STRING,
                            lpFormat,
                            0,
                            0,
                            (LPTSTR)lpTarget,
                            0,
                            &lArgs);
        va_end(lArgs);

        LocalFree((HLOCAL)lpFormat);
    }

    return Ret;
}

StatusBarLoadAndFormatString()

BOOL StatusBarLoadAndFormatString	(	IN HWND	hStatusBar,
		IN INT	PartId,
		IN HINSTANCE	hInstance,
		IN UINT	uID,
			...
	)

Definition at line 98 of file misc.c.

{
    BOOL Ret = FALSE;
    LPTSTR lpFormat, lpStr;
    va_list lArgs;

    if (AllocAndLoadString(&lpFormat,
                           hInstance,
                           uID) > 0)
    {
        va_start(lArgs, uID);
        /* let's use FormatMessage to format it because it has the ability to allocate
           memory automatically */
        Ret = FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_STRING,
                            lpFormat,
                            0,
                            0,
                            (LPTSTR)&lpStr,
                            0,
                            &lArgs);
        va_end(lArgs);

        if (lpStr != NULL)
        {
            Ret = (BOOL)SendMessage(hStatusBar,
                                    SB_SETTEXT,
                                    (WPARAM)PartId,
                                    (LPARAM)lpStr);
            LocalFree((HLOCAL)lpStr);
        }

        LocalFree((HLOCAL)lpFormat);
    }

    return Ret;
}

StatusBarLoadString()

BOOL StatusBarLoadString	(	IN HWND	hStatusBar,
		IN INT	PartId,
		IN HINSTANCE	hInstance,
		IN UINT	uID
	)

Definition at line 140 of file misc.c.

{
    BOOL Ret = FALSE;
    LPTSTR lpStr;

    if (AllocAndLoadString(&lpStr,
                           hInstance,
                           uID) > 0)
    {
        Ret = (BOOL)SendMessage(hStatusBar,
                                SB_SETTEXT,
                                (WPARAM)PartId,
                                (LPARAM)lpStr);
        LocalFree((HLOCAL)lpStr);
    }

    return Ret;
}