commctrl.c

这是一个开放源代码的与WINNT/WIN2K/WIN2003兼容的操作系统

    TRACE("(%p %p %p)\n",
	   hwnd, lpRect, lpInfo);

    GetClientRect (hwnd, lpRect);
    lpRun = lpInfo;

    do {
	lpRun += 2;
	if (*lpRun == 0)
	    return;
	lpRun++;
	hwndCtrl = GetDlgItem (hwnd, *lpRun);
	if (GetWindowLongW (hwndCtrl, GWL_STYLE) & WS_VISIBLE) {
	    TRACE("control id 0x%x\n", *lpRun);
	    GetWindowRect (hwndCtrl, &rcCtrl);
	    MapWindowPoints (NULL, hwnd, (LPPOINT)&rcCtrl, 2);
	    SubtractRect (lpRect, lpRect, &rcCtrl);
	}
	lpRun++;
    } while (*lpRun);
}


/***********************************************************************
 * DrawStatusTextW [COMCTL32.@]
 *
 * Draws text with borders, like in a status bar.
 *
 * PARAMS
 *     hdc   [I] handle to the window's display context
 *     lprc  [I] pointer to a rectangle
 *     text  [I] pointer to the text
 *     style [I] drawing style
 *
 * RETURNS
 *     No return value.
 *
 * NOTES
 *     The style variable can have one of the following values:
 *     (will be written ...)
 */

void WINAPI DrawStatusTextW (HDC hdc, LPCRECT lprc, LPCWSTR text, UINT style)
{
    RECT r = *lprc;
    UINT border = BDR_SUNKENOUTER;

    if (style & SBT_POPOUT)
        border = BDR_RAISEDOUTER;
    else if (style & SBT_NOBORDERS)
        border = 0;

    DrawEdge (hdc, &r, border, BF_RECT|BF_ADJUST);

    /* now draw text */
    if (text) {
        int oldbkmode = SetBkMode (hdc, TRANSPARENT);
        UINT align = DT_LEFT;
        if (*text == '\t') {
	    text++;
	    align = DT_CENTER;
            if (*text == '\t') {
	        text++;
	        align = DT_RIGHT;
	    }
        }
        r.left += 3;
        if (style & SBT_RTLREADING)
	    FIXME("Unsupported RTL style!\n");
        DrawTextW (hdc, text, -1, &r, align|DT_VCENTER|DT_SINGLELINE|DT_NOPREFIX);
	SetBkMode(hdc, oldbkmode);
    }
}


/***********************************************************************
 * DrawStatusText  [COMCTL32.@]
 * DrawStatusTextA [COMCTL32.5]
 *
 * Draws text with borders, like in a status bar.
 *
 * PARAMS
 *     hdc   [I] handle to the window's display context
 *     lprc  [I] pointer to a rectangle
 *     text  [I] pointer to the text
 *     style [I] drawing style
 *
 * RETURNS
 *     No return value.
 */

void WINAPI DrawStatusTextA (HDC hdc, LPCRECT lprc, LPCSTR text, UINT style)
{
    INT len;
    LPWSTR textW = NULL;

    if ( text ) {
	if ( (len = MultiByteToWideChar( CP_ACP, 0, text, -1, NULL, 0 )) ) {
	    if ( (textW = Alloc( len * sizeof(WCHAR) )) )
		MultiByteToWideChar( CP_ACP, 0, text, -1, textW, len );
	}
    }
    DrawStatusTextW( hdc, lprc, textW, style );
    Free( textW );
}


/***********************************************************************
 * CreateStatusWindow  [COMCTL32.@]
 * CreateStatusWindowA [COMCTL32.6]
 *
 * Creates a status bar
 *
 * PARAMS
 *     style  [I] window style
 *     text   [I] pointer to the window text
 *     parent [I] handle to the parent window
 *     wid    [I] control id of the status bar
 *
 * RETURNS
 *     Success: handle to the status window
 *     Failure: 0
 */

HWND WINAPI
CreateStatusWindowA (LONG style, LPCSTR text, HWND parent, UINT wid)
{
    return CreateWindowA(STATUSCLASSNAMEA, text, style,
			   CW_USEDEFAULT, CW_USEDEFAULT,
			   CW_USEDEFAULT, CW_USEDEFAULT,
			   parent, (HMENU)(DWORD_PTR)wid, 0, 0);
}


/***********************************************************************
 * CreateStatusWindowW [COMCTL32.@]
 *
 * Creates a status bar control
 *
 * PARAMS
 *     style  [I] window style
 *     text   [I] pointer to the window text
 *     parent [I] handle to the parent window
 *     wid    [I] control id of the status bar
 *
 * RETURNS
 *     Success: handle to the status window
 *     Failure: 0
 */

HWND WINAPI
CreateStatusWindowW (LONG style, LPCWSTR text, HWND parent, UINT wid)
{
    return CreateWindowW(STATUSCLASSNAMEW, text, style,
			   CW_USEDEFAULT, CW_USEDEFAULT,
			   CW_USEDEFAULT, CW_USEDEFAULT,
			   parent, (HMENU)(DWORD_PTR)wid, 0, 0);
}


/***********************************************************************
 * CreateUpDownControl [COMCTL32.16]
 *
 * Creates an up-down control
 *
 * PARAMS
 *     style  [I] window styles
 *     x      [I] horizontal position of the control
 *     y      [I] vertical position of the control
 *     cx     [I] with of the control
 *     cy     [I] height of the control
 *     parent [I] handle to the parent window
 *     id     [I] the control's identifier
 *     inst   [I] handle to the application's module instance
 *     buddy  [I] handle to the buddy window, can be NULL
 *     maxVal [I] upper limit of the control
 *     minVal [I] lower limit of the control
 *     curVal [I] current value of the control
 *
 * RETURNS
 *     Success: handle to the updown control
 *     Failure: 0
 */

HWND WINAPI
CreateUpDownControl (DWORD style, INT x, INT y, INT cx, INT cy,
		     HWND parent, INT id, HINSTANCE inst,
		     HWND buddy, INT maxVal, INT minVal, INT curVal)
{
    HWND hUD =
	CreateWindowW (UPDOWN_CLASSW, 0, style, x, y, cx, cy,
			 parent, (HMENU)(DWORD_PTR)id, inst, 0);
    if (hUD) {
	SendMessageW (hUD, UDM_SETBUDDY, (WPARAM)buddy, 0);
	SendMessageW (hUD, UDM_SETRANGE, 0, MAKELONG(maxVal, minVal));
	SendMessageW (hUD, UDM_SETPOS, 0, MAKELONG(curVal, 0));
    }

    return hUD;
}


/***********************************************************************
 * InitCommonControls [COMCTL32.17]
 *
 * Registers the common controls.
 *
 * PARAMS
 *     No parameters.
 *
 * RETURNS
 *     No return values.
 *
 * NOTES
 *     This function is just a dummy - all the controls are registered at
 *     the DLL's initialization. See InitCommonContolsEx for details.
 */

VOID WINAPI
InitCommonControls (void)
{
}


/***********************************************************************
 * InitCommonControlsEx [COMCTL32.@]
 *
 * Registers the common controls.
 *
 * PARAMS
 *     lpInitCtrls [I] pointer to an INITCOMMONCONTROLS structure.
 *
 * RETURNS
 *     Success: TRUE
 *     Failure: FALSE
 *
 * NOTES
 *     Probaly all versions of comctl32 initializes the Win95 controls in DllMain
 *     during DLL initializaiton. Starting from comctl32 v5.82 all the controls
 *     are initialized there. We follow this behaviour and this function is just
 *     a dummy.
 *
 *     Note: when writing programs under Windows, if you don't call any function
 *     from comctl32 the linker may not link this DLL. If InitCommonControlsEx
 *     was the only comctl32 function you were calling and you remove it you may
 *     have a false impression that InitCommonControlsEx actually did something.
 */

BOOL WINAPI
InitCommonControlsEx (const INITCOMMONCONTROLSEX *lpInitCtrls)
{
    if (!lpInitCtrls || lpInitCtrls->dwSize != sizeof(INITCOMMONCONTROLSEX))
        return FALSE;

    TRACE("(0x%08x)\n", lpInitCtrls->dwICC);
    return TRUE;
}


/***********************************************************************
 * CreateToolbarEx [COMCTL32.@]
 *
 * Creates a toolbar window.
 *
 * PARAMS
 *     hwnd
 *     style
 *     wID
 *     nBitmaps
 *     hBMInst
 *     wBMID
 *     lpButtons
 *     iNumButtons
 *     dxButton
 *     dyButton
 *     dxBitmap
 *     dyBitmap
 *     uStructSize
 *
 * RETURNS
 *     Success: handle to the tool bar control
 *     Failure: 0
 */

HWND WINAPI
CreateToolbarEx (HWND hwnd, DWORD style, UINT wID, INT nBitmaps,
                 HINSTANCE hBMInst, UINT wBMID, LPCTBBUTTON lpButtons,
                 INT iNumButtons, INT dxButton, INT dyButton,
                 INT dxBitmap, INT dyBitmap, UINT uStructSize)
{
    HWND hwndTB;

    hwndTB =
        CreateWindowExW(0, TOOLBARCLASSNAMEW, NULL, style|WS_CHILD, 0,0,100,30,
                        hwnd, (HMENU)(DWORD_PTR)wID, COMCTL32_hModule, NULL);
    if(hwndTB) {
	TBADDBITMAP tbab;

        SendMessageW (hwndTB, TB_BUTTONSTRUCTSIZE, (WPARAM)uStructSize, 0);

       /* set bitmap and button size */
       /*If CreateToolbarEx receives 0, windows sets default values*/
       if (dxBitmap < 0)
           dxBitmap = 16;
       if (dyBitmap < 0)
           dyBitmap = 16;
       if (dxBitmap == 0 || dyBitmap == 0)
           dxBitmap = dyBitmap = 16;
       SendMessageW(hwndTB, TB_SETBITMAPSIZE, 0, MAKELPARAM(dxBitmap, dyBitmap));

       if (dxButton < 0)
           dxButton = dxBitmap;
       if (dyButton < 0)
           dyButton = dyBitmap;
       /* TB_SETBUTTONSIZE -> TB_SETBITMAPSIZE bug introduced for Windows compatibility */
       if (dxButton != 0 && dyButton != 0)
            SendMessageW(hwndTB, TB_SETBITMAPSIZE, 0, MAKELPARAM(dxButton, dyButton));


	/* add bitmaps */
	if (nBitmaps > 0 || hBMInst == HINST_COMMCTRL)
	{
	    tbab.hInst = hBMInst;
	    tbab.nID   = wBMID;

	    SendMessageW (hwndTB, TB_ADDBITMAP, (WPARAM)nBitmaps, (LPARAM)&tbab);
	}
	/* add buttons */
	if(iNumButtons > 0)
	SendMessageW (hwndTB, TB_ADDBUTTONSW,
			(WPARAM)iNumButtons, (LPARAM)lpButtons);
    }

    return hwndTB;
}


/***********************************************************************
 * CreateMappedBitmap [COMCTL32.8]
 *
 * Loads a bitmap resource using a colour map.
 *
 * PARAMS
 *     hInstance  [I] Handle to the module containing the bitmap.
 *     idBitmap   [I] The bitmap resource ID.
 *     wFlags     [I] CMB_MASKED for using bitmap as a mask or 0 for normal.
 *     lpColorMap [I] Colour information needed for the bitmap or NULL (uses system colours).
 *     iNumMaps   [I] Number of COLORMAP's pointed to by lpColorMap.
 *
 * RETURNS
 *     Success: handle to the new bitmap
 *     Failure: 0
 */

HBITMAP WINAPI
CreateMappedBitmap (HINSTANCE hInstance, INT_PTR idBitmap, UINT wFlags,
		    LPCOLORMAP lpColorMap, INT iNumMaps)
{
    HGLOBAL hglb;
    HRSRC hRsrc;
    const BITMAPINFOHEADER *lpBitmap;
    LPBITMAPINFOHEADER lpBitmapInfo;
    UINT nSize, nColorTableSize, iColor;
    RGBQUAD *pColorTable;
    INT i, iMaps, nWidth, nHeight;
    HDC hdcScreen;
    HBITMAP hbm;
    LPCOLORMAP sysColorMap;
    COLORREF cRef;
    COLORMAP internalColorMap[4] =
	{{0x000000, 0}, {0x808080, 0}, {0xC0C0C0, 0}, {0xFFFFFF, 0}};

    /* initialize pointer to colortable and default color table */
    if (lpColorMap) {
	iMaps = iNumMaps;
	sysColorMap = lpColorMap;
    }
    else {
	internalColorMap[0].to = GetSysColor (COLOR_BTNTEXT);
	internalColorMap[1].to = GetSysColor (COLOR_BTNSHADOW);
	internalColorMap[2].to = GetSysColor (COLOR_BTNFACE);
	internalColorMap[3].to = GetSysColor (COLOR_BTNHIGHLIGHT);
	iMaps = 4;
	sysColorMap = (LPCOLORMAP)internalColorMap;