misc.c File Reference

#include <precomp.h>

Include dependency graph for misc.c:

Go to the source code of this file.

Classes
struct	_TBCUSTCTL

Typedefs
typedef struct _TBCUSTCTL	TBCUSTCTL
typedef struct _TBCUSTCTL *	PTBCUSTCTL

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)
BOOL	ToolbarDeleteControlSpace (HWND hWndToolbar, const TBBUTTON *ptbButton)
VOID	ToolbarUpdateControlSpaces (HWND hWndToolbar, ToolbarChangeControlCallback ChangeCallback)
BOOL	ToolbarInsertSpaceForControl (HWND hWndToolbar, HWND hWndControl, INT Index, INT iCmd, BOOL HideVertical)
HIMAGELIST	InitImageList (UINT NumImages, UINT StartResource)

Typedef Documentation

PTBCUSTCTL

typedef struct _TBCUSTCTL * PTBCUSTCTL

TBCUSTCTL

typedef struct _TBCUSTCTL TBCUSTCTL

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, 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;
}

InitImageList()

HIMAGELIST InitImageList	(	UINT	NumImages,
		UINT	StartResource
	)

Definition at line 375 of file misc.c.

{
    HBITMAP hBitmap;
    HIMAGELIST hImageList;
    UINT i, k;
    INT Ret;
    DBG_UNREFERENCED_LOCAL_VARIABLE(Ret);

    /* Create the toolbar icon image list */
    hImageList = ImageList_Create(TB_BMP_WIDTH,
                                  TB_BMP_HEIGHT,
                                  ILC_MASK | ILC_COLOR24,
                                  NumImages,
                                  0);
    if (! hImageList)
        return NULL;

    /* Add all icons to the image list */
    for (i = StartResource, k = 0; k < NumImages; i++, k++)
    {
        hBitmap = LoadImage(hInstance,
                            MAKEINTRESOURCE(i),
                            IMAGE_BITMAP,
                            TB_BMP_WIDTH,
                            TB_BMP_HEIGHT,
                            LR_LOADTRANSPARENT);

        Ret = ImageList_AddMasked(hImageList,
                                  hBitmap,
                                  RGB(255, 255, 254));

        DeleteObject(hBitmap);
    }

    return hImageList;

}

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 = 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;
}

ToolbarDeleteControlSpace()

BOOL ToolbarDeleteControlSpace	(	HWND	hWndToolbar,
		const TBBUTTON *	ptbButton
	)

Definition at line 220 of file misc.c.

{
    if ((ptbButton->fsStyle & TBSTYLE_SEP) &&
        ptbButton->dwData != 0)
    {
        PTBCUSTCTL cctl = (PTBCUSTCTL)ptbButton->dwData;

        DestroyWindow(cctl->hWndControl);

        HeapFree(ProcessHeap,
                 0,
                 cctl);
        return TRUE;
    }

    return FALSE;
}

Referenced by MainWndProc().

ToolbarInsertSpaceForControl()

BOOL ToolbarInsertSpaceForControl	(	HWND	hWndToolbar,
		HWND	hWndControl,
		INT	Index,
		INT	iCmd,
		BOOL	HideVertical
	)

Definition at line 297 of file misc.c.

{
    PTBCUSTCTL cctl;
    RECT rcControl, rcItem;

    cctl = HeapAlloc(ProcessHeap,
                     0,
                     sizeof(TBCUSTCTL));
    if (cctl == NULL)
        return FALSE;

    cctl->HideVertical = HideVertical;
    cctl->hWndControl = hWndControl;
    cctl->iCommand = iCmd;

    if (GetWindowRect(hWndControl,
                      &rcControl))
    {
        TBBUTTON tbtn = {0};

        tbtn.iBitmap = rcControl.right - rcControl.left;
        tbtn.idCommand = iCmd;
        tbtn.fsStyle = TBSTYLE_SEP;
        tbtn.dwData = (DWORD_PTR)cctl;

        if (SendMessage(hWndToolbar,
                        TB_GETSTYLE,
                        0,
                        0) & CCS_VERT)
        {
            if (HideVertical)
                tbtn.fsState |= TBSTATE_HIDDEN;

            cctl->IsVertical = TRUE;
        }
        else
            cctl->IsVertical = FALSE;

        if (SendMessage(hWndToolbar,
                        TB_INSERTBUTTON,
                        (WPARAM)Index,
                        (LPARAM)&tbtn))
        {
            if (SendMessage(hWndToolbar,
                            TB_GETITEMRECT,
                            (WPARAM)Index,
                            (LPARAM)&rcItem))
            {
                SetWindowPos(hWndControl,
                             NULL,
                             rcItem.left,
                             rcItem.top,
                             rcItem.right - rcItem.left,
                             rcItem.bottom - rcItem.top,
                             SWP_NOZORDER);

                ShowWindow(hWndControl,
                           SW_SHOW);

                return TRUE;
            }
            else if (tbtn.fsState & TBSTATE_HIDDEN)
            {
                ShowWindow(hWndControl,
                           SW_HIDE);
            }
        }
    }

    return FALSE;
}

Referenced by MainWndCreateToolbarClient().

ToolbarUpdateControlSpaces()

VOID ToolbarUpdateControlSpaces	(	HWND	hWndToolbar,
		ToolbarChangeControlCallback	ChangeCallback
	)

Definition at line 240 of file misc.c.

{
    BOOL Vert;
    DWORD nButtons, i;
    TBBUTTON tbtn;

    Vert = ((SendMessage(hWndToolbar,
                         TB_GETSTYLE,
                         0,
                         0) & CCS_VERT) != 0);

    nButtons = (DWORD)SendMessage(hWndToolbar,
                                  TB_BUTTONCOUNT,
                                  0,
                                  0);

    for (i = 0;
         i != nButtons;
         i++)
    {
        if (SendMessage(hWndToolbar,
                        TB_GETBUTTON,
                        (WPARAM)i,
                        (LPARAM)&tbtn))
        {
            if ((tbtn.fsStyle & TBSTYLE_SEP) && tbtn.dwData != 0)
            {
                PTBCUSTCTL cctl = (PTBCUSTCTL)tbtn.dwData;

                cctl->IsVertical = Vert;

                if (cctl->HideVertical)
                {
                    ShowWindow(cctl->hWndControl,
                               (Vert ? SW_HIDE : SW_SHOW));
                    goto ShowHideSep;
                }
                else if (cctl->IsVertical != Vert)
                {
                    ChangeCallback(hWndToolbar,
                                   cctl->hWndControl,
                                   Vert);

ShowHideSep:
                    /* show/hide the separator */
                    SendMessage(hWndToolbar,
                                TB_HIDEBUTTON,
                                (WPARAM)cctl->iCommand,
                                (LPARAM)Vert && cctl->HideVertical);
                }
            }
        }
    }
}

Referenced by MainWndToolbarDockBand().