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 LPWSTR *lpTarget, IN HINSTANCE hInst, IN UINT uID)
DWORD	LoadAndFormatString (IN HINSTANCE hInstance, IN UINT uID, OUT LPWSTR *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 LPWSTR lpString, IN HWND hDlg, IN UINT Res)
VOID	DisplayError (INT err)
VOID	DisplayMessage (LPWSTR lpMsg)
HIMAGELIST	InitImageList (UINT StartResource, UINT EndResource, UINT Width, UINT Height)
DWORD	AnsiToUnicode (LPCSTR lpSrcStr, LPWSTR *lpDstStr)
DWORD	UnicodeToAnsi (LPCWSTR lpSrcStr, LPSTR *lpDstStr)

Function Documentation

AllocAndLoadString()

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

Definition at line 50 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 = LoadStringW(hInst, uID, *lpTarget, ln)))
            {
                LocalFree((HLOCAL)(*lpTarget));
            }
            return Ret;
        }
    }
    return 0;
}

AnsiToUnicode()

DWORD AnsiToUnicode	(	LPCSTR	lpSrcStr,
		LPWSTR *	lpDstStr
	)

Definition at line 267 of file misc.c.

{
    INT length;
    INT ret = 0;
 
    length = strlen(lpSrcStr) + 1;
 
    *lpDstStr = (LPWSTR)HeapAlloc(GetProcessHeap(), 0, length * sizeof(WCHAR));
    if (*lpDstStr)
    {
        ret = MultiByteToWideChar(CP_ACP,
                                  0,
                                  lpSrcStr,
                                  -1,
                                  *lpDstStr,
                                  length);
    }
 
    return ret;
}

DisplayError()

VOID DisplayError

(

INT

err

)

Definition at line 192 of file misc.c.

{
    LPWSTR lpMsgBuf = NULL;
 
    FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER |
                   FORMAT_MESSAGE_FROM_SYSTEM |
                   FORMAT_MESSAGE_IGNORE_INSERTS,
                   NULL,
                   err,
                   MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
                   (VOID*)&lpMsgBuf,
                   0,
                   NULL );
 
    MessageBoxW(NULL, lpMsgBuf, L"Error!", MB_OK | MB_ICONERROR);
 
    LocalFree(lpMsgBuf);
}

DisplayMessage()

VOID DisplayMessage

(

LPWSTR

lpMsg

)

Definition at line 211 of file misc.c.

{
    MessageBoxW(NULL, lpMsg, L"Note!", MB_ICONEXCLAMATION|MB_OK);
}

GetTextFromEdit()

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

Definition at line 174 of file misc.c.

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

InitImageList()

HIMAGELIST InitImageList	(	UINT	StartResource,
		UINT	EndResource,
		UINT	Width,
		UINT	Height
	)

Definition at line 219 of file misc.c.

{
    HICON hIcon;
    HIMAGELIST hImageList;
    UINT i;
    INT Ret;
 
    /* Create the toolbar icon image list */
    hImageList = ImageList_Create(Width,
                                  Height,
                                  ILC_MASK | ILC_COLOR32,
                                  EndResource - StartResource,
                                  0);
    if (hImageList == NULL)
        return NULL;
 
    /* Add all icons to the image list */
    for (i = StartResource; i <= EndResource; i++)
    {
        hIcon = (HICON)LoadImageW(hInstance,
                                  MAKEINTRESOURCEW(i),
                                  IMAGE_ICON,
                                  Width,
                                  Height,
                                  LR_DEFAULTCOLOR);
        if (hIcon == NULL)
            goto fail;
 
        Ret = ImageList_AddIcon(hImageList,
                                hIcon);
 
        DestroyIcon(hIcon);
 
        if (Ret == -1)
            goto fail;
    }
 
    return hImageList;
 
fail:
    ImageList_Destroy(hImageList);
    return NULL;
}

LengthOfStrResource()

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

static

Definition at line 14 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)MAKEINTRESOURCEW((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 LPWSTR *	lpTarget,
			...
	)

Definition at line 76 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 Format to format it because it has the ability to allocate
           memory automatically */
        Ret = FormatMessageW(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 108 of file misc.c.

{
    BOOL Ret = FALSE;
    LPWSTR 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 = FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_STRING,
                             lpFormat,
                             0,
                             0,
                             (VOID*)&lpStr,
                             0,
                             &lArgs);
        va_end(lArgs);
 
        if (lpStr != NULL)
        {
            Ret = (BOOL)SendMessageW(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 150 of file misc.c.

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

UnicodeToAnsi()

DWORD UnicodeToAnsi	(	LPCWSTR	lpSrcStr,
		LPSTR *	lpDstStr
	)

Definition at line 290 of file misc.c.

{
    INT length;
    INT ret = 0;
 
    length = wcslen(lpSrcStr) + 1;
 
    *lpDstStr = (LPSTR)HeapAlloc(GetProcessHeap(), 0, length);
    if (*lpDstStr)
    {
        ret = WideCharToMultiByte(CP_ACP,
                                  0,
                                  lpSrcStr,
                                  -1,
                                  *lpDstStr,
                                  length,
                                  NULL,
                                  NULL);
    }
 
    return ret;
}