status.c

winNT技术操作系统,国外开放的原代码和LIUX一样

    infoPtr->parts[0].text = 0;
    infoPtr->parts[0].x = -1;
    infoPtr->parts[0].style = 0;
    infoPtr->parts[0].hIcon = 0;
    
    OpenThemeData (hwnd, themeClass);

    if (IsWindowUnicode (hwnd)) {
	infoPtr->bUnicode = TRUE;
	if (lpCreate->lpszName &&
	    (len = strlenW ((LPCWSTR)lpCreate->lpszName))) {
	    infoPtr->parts[0].text = Alloc ((len + 1)*sizeof(WCHAR));
	    if (!infoPtr->parts[0].text) goto create_fail;
	    strcpyW (infoPtr->parts[0].text, (LPCWSTR)lpCreate->lpszName);
	}
    }
    else {
	if (lpCreate->lpszName &&
	    (len = strlen((LPCSTR)lpCreate->lpszName))) {
            DWORD lenW = MultiByteToWideChar( CP_ACP, 0, (LPCSTR)lpCreate->lpszName, -1, NULL, 0 );
	    infoPtr->parts[0].text = Alloc (lenW*sizeof(WCHAR));
	    if (!infoPtr->parts[0].text) goto create_fail;
            MultiByteToWideChar( CP_ACP, 0, (LPCSTR)lpCreate->lpszName, -1,
                                 infoPtr->parts[0].text, lenW );
	}
    }

    dwStyle = GetWindowLongW (hwnd, GWL_STYLE);
    /* native seems to clear WS_BORDER, too */
    dwStyle &= ~WS_BORDER;

    /* statusbars on managed windows should not have SIZEGRIP style */
    if ((dwStyle & SBARS_SIZEGRIP) && lpCreate->hwndParent &&
        GetPropA( lpCreate->hwndParent, "__wine_x11_managed" ))
        dwStyle &= ~SBARS_SIZEGRIP;

    SetWindowLongW (hwnd, GWL_STYLE, dwStyle);

    if ((hdc = GetDC (hwnd))) {
	TEXTMETRICW tm;
	HFONT hOldFont;

	hOldFont = SelectObject (hdc, infoPtr->hDefaultFont);
	GetTextMetricsW (hdc, &tm);
	textHeight = tm.tmHeight;
	SelectObject (hdc, hOldFont);
	ReleaseDC (hwnd, hdc);
    }
    TRACE("    textHeight=%d\n", textHeight);

    if (dwStyle & SBT_TOOLTIPS) {
	infoPtr->hwndToolTip =
	    CreateWindowExW (0, TOOLTIPS_CLASSW, NULL, WS_POPUP | TTS_ALWAYSTIP,
			     CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
			     CW_USEDEFAULT, hwnd, 0,
			     (HINSTANCE)GetWindowLongPtrW(hwnd, GWLP_HINSTANCE), NULL);

	if (infoPtr->hwndToolTip) {
	    NMTOOLTIPSCREATED nmttc;

	    nmttc.hdr.hwndFrom = hwnd;
	    nmttc.hdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
	    nmttc.hdr.code = NM_TOOLTIPSCREATED;
	    nmttc.hwndToolTips = infoPtr->hwndToolTip;

	    SendMessageW (lpCreate->hwndParent, WM_NOTIFY,
			    (WPARAM)nmttc.hdr.idFrom, (LPARAM)&nmttc);
	}
    }

    if (!(dwStyle & CCS_NORESIZE)) { /* don't resize wnd if it doesn't want it ! */
        HTHEME theme;
        GetClientRect (infoPtr->Notify, &rect);
        width = rect.right - rect.left;
        infoPtr->height = textHeight + 4 + infoPtr->verticalBorder;
        
        if ((theme = GetWindowTheme (hwnd)))
        {
            /* Determine bar height from theme such that the content area is
             * textHeight pixels large */
            HDC hdc = GetDC (hwnd);
            RECT r;
            memset (&r, 0, sizeof (r));
            r.bottom = textHeight;
            if (SUCCEEDED(GetThemeBackgroundExtent (theme, hdc, SP_PANE, 0, &r, &r)))
            {
                infoPtr->height = r.bottom - r.top;
            }
            ReleaseDC (hwnd, hdc);
        }
    
        SetWindowPos(hwnd, 0, lpCreate->x, lpCreate->y - 1,
			width, infoPtr->height, SWP_NOZORDER);
        STATUSBAR_SetPartBounds (infoPtr);
    }

    return 0;

create_fail:
    TRACE("    failed!\n");
    if (infoPtr) STATUSBAR_WMDestroy(infoPtr);
    return -1;
}


/* in contrast to SB_GETTEXT*, WM_GETTEXT handles the text
 * of the first part only (usual behaviour) */
static INT
STATUSBAR_WMGetText (STATUS_INFO *infoPtr, INT size, LPWSTR buf)
{
    INT len;

    TRACE("\n");
    if (!(infoPtr->parts[0].text))
        return 0;
    if (infoPtr->bUnicode)
        len = strlenW (infoPtr->parts[0].text);
    else
        len = WideCharToMultiByte( CP_ACP, 0, infoPtr->parts[0].text, -1, NULL, 0, NULL, NULL )-1;

    if (size > len) {
	if (infoPtr->bUnicode)
	    strcpyW (buf, infoPtr->parts[0].text);
	else
            WideCharToMultiByte( CP_ACP, 0, infoPtr->parts[0].text, -1,
                                 (LPSTR)buf, len+1, NULL, NULL );
	return len;
    }

    return -1;
}


static BOOL
STATUSBAR_WMNCHitTest (STATUS_INFO *infoPtr, INT x, INT y)
{
    if (GetWindowLongW (infoPtr->Self, GWL_STYLE) & SBARS_SIZEGRIP) {
	RECT  rect;
	POINT pt;

	GetClientRect (infoPtr->Self, &rect);

	pt.x = x;
	pt.y = y;
	ScreenToClient (infoPtr->Self, &pt);

	rect.left = rect.right - 13;
	rect.top += 2;

	if (PtInRect (&rect, pt))
	    return HTBOTTOMRIGHT;
    }

    return HTERROR;
}


static LRESULT
STATUSBAR_WMPaint (STATUS_INFO *infoPtr, HDC hdc)
{
    PAINTSTRUCT ps;

    TRACE("\n");
    if (hdc) return STATUSBAR_Refresh (infoPtr, hdc);
    hdc = BeginPaint (infoPtr->Self, &ps);
    STATUSBAR_Refresh (infoPtr, hdc);
    EndPaint (infoPtr->Self, &ps);

    return 0;
}


static LRESULT
STATUSBAR_WMSetFont (STATUS_INFO *infoPtr, HFONT font, BOOL redraw)
{
    infoPtr->hFont = font;
    TRACE("%p\n", infoPtr->hFont);
    if (redraw)
        InvalidateRect(infoPtr->Self, NULL, FALSE);

    return 0;
}


static BOOL
STATUSBAR_WMSetText (STATUS_INFO *infoPtr, LPCSTR text)
{
    STATUSWINDOWPART *part;
    int len;

    TRACE("\n");
    if (infoPtr->numParts == 0)
	return FALSE;

    part = &infoPtr->parts[0];
    /* duplicate string */
    if (part->text)
        Free (part->text);
    part->text = 0;
    if (infoPtr->bUnicode) {
	if (text && (len = strlenW((LPCWSTR)text))) {
	    part->text = Alloc ((len+1)*sizeof(WCHAR));
	    if (!part->text) return FALSE;
	    strcpyW (part->text, (LPCWSTR)text);
	}
    }
    else {
	if (text && (len = lstrlenA(text))) {
            DWORD lenW = MultiByteToWideChar( CP_ACP, 0, text, -1, NULL, 0 );
            part->text = Alloc (lenW*sizeof(WCHAR));
	    if (!part->text) return FALSE;
            MultiByteToWideChar( CP_ACP, 0, text, -1, part->text, lenW );
	}
    }

    InvalidateRect(infoPtr->Self, &part->bound, FALSE);

    return TRUE;
}


static BOOL
STATUSBAR_WMSize (STATUS_INFO *infoPtr, WORD flags)
{
    INT  width, x, y;
    RECT parent_rect;

    /* Need to resize width to match parent */
    TRACE("flags %04x\n", flags);

    if (flags != SIZE_RESTORED && flags != SIZE_MAXIMIZED) {
	WARN("flags MUST be SIZE_RESTORED or SIZE_MAXIMIZED\n");
	return FALSE;
    }

    if (GetWindowLongW(infoPtr->Self, GWL_STYLE) & CCS_NORESIZE) return FALSE;

    /* width and height don't apply */
    GetClientRect (infoPtr->Notify, &parent_rect);
    width = parent_rect.right - parent_rect.left;
    x = parent_rect.left;
    y = parent_rect.bottom - infoPtr->height;
    MoveWindow (infoPtr->Self, parent_rect.left,
		parent_rect.bottom - infoPtr->height,
		width, infoPtr->height, TRUE);
    STATUSBAR_SetPartBounds (infoPtr);
    return TRUE;
}


/* update theme after a WM_THEMECHANGED message */
static LRESULT theme_changed (STATUS_INFO* infoPtr)
{
    HTHEME theme = GetWindowTheme (infoPtr->Self);
    CloseThemeData (theme);
    OpenThemeData (infoPtr->Self, themeClass);
    return 0;
}


static LRESULT
STATUSBAR_NotifyFormat (STATUS_INFO *infoPtr, HWND from, INT cmd)
{
    if (cmd == NF_REQUERY) {
	INT i = SendMessageW(from, WM_NOTIFYFORMAT, (WPARAM)infoPtr->Self, NF_QUERY);
	infoPtr->NtfUnicode = (i == NFR_UNICODE);
    }
    return infoPtr->NtfUnicode ? NFR_UNICODE : NFR_ANSI;
}


static LRESULT
STATUSBAR_SendNotify (STATUS_INFO *infoPtr, UINT code)
{
    NMHDR  nmhdr;

    TRACE("code %04x\n", code);
    nmhdr.hwndFrom = infoPtr->Self;
    nmhdr.idFrom = GetWindowLongPtrW (infoPtr->Self, GWLP_ID);
    nmhdr.code = code;
    SendMessageW (infoPtr->Notify, WM_NOTIFY, 0, (LPARAM)&nmhdr);
    return 0;
}



static LRESULT WINAPI
StatusWindowProc (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
    STATUS_INFO *infoPtr = (STATUS_INFO *)GetWindowLongPtrW (hwnd, 0);
    INT nPart = ((INT) wParam) & 0x00ff;
    LRESULT res;

    TRACE("hwnd=%p msg=%x wparam=%x lparam=%lx\n", hwnd, msg, wParam, lParam);
    if (!infoPtr && msg != WM_CREATE)
        return DefWindowProcW (hwnd, msg, wParam, lParam);

    switch (msg) {
	case SB_GETBORDERS:
	    return STATUSBAR_GetBorders (infoPtr, (INT *)lParam);

	case SB_GETICON:
	    return (LRESULT)STATUSBAR_GetIcon (infoPtr, nPart);

	case SB_GETPARTS:
	    return STATUSBAR_GetParts (infoPtr, (INT)wParam, (INT *)lParam);

	case SB_GETRECT:
	    return STATUSBAR_GetRect (infoPtr, nPart, (LPRECT)lParam);

	case SB_GETTEXTA:
	    return STATUSBAR_GetTextA (infoPtr, nPart, (LPSTR)lParam);

	case SB_GETTEXTW:
	    return STATUSBAR_GetTextW (infoPtr, nPart, (LPWSTR)lParam);

	case SB_GETTEXTLENGTHA:
	case SB_GETTEXTLENGTHW:
	    return STATUSBAR_GetTextLength (infoPtr, nPart);

	case SB_GETTIPTEXTA:
	    return STATUSBAR_GetTipTextA (infoPtr,  LOWORD(wParam), (LPSTR)lParam,  HIWORD(wParam));

	case SB_GETTIPTEXTW:
	    return STATUSBAR_GetTipTextW (infoPtr,  LOWORD(wParam), (LPWSTR)lParam,  HIWORD(wParam));

	case SB_GETUNICODEFORMAT:
	    return infoPtr->bUnicode;

	case SB_ISSIMPLE:
	    return infoPtr->simple;

	case SB_SETBORDERS:
	    return STATUSBAR_SetBorders (infoPtr, (INT *)lParam);

	case SB_SETBKCOLOR:
	    return STATUSBAR_SetBkColor (infoPtr, (COLORREF)lParam);

	case SB_SETICON:
	    return STATUSBAR_SetIcon (infoPtr, nPart, (HICON)lParam);

	case SB_SETMINHEIGHT:
	    return STATUSBAR_SetMinHeight (infoPtr, (INT)wParam);

	case SB_SETPARTS:
	    return STATUSBAR_SetParts (infoPtr, (INT)wParam, (LPINT)lParam);

	case SB_SETTEXTA:
	    return STATUSBAR_SetTextT (infoPtr, nPart, wParam & 0xff00, (LPCWSTR)lParam, FALSE);

	case SB_SETTEXTW:
	    return STATUSBAR_SetTextT (infoPtr, nPart, wParam & 0xff00, (LPCWSTR)lParam, TRUE);

	case SB_SETTIPTEXTA:
	    return STATUSBAR_SetTipTextA (infoPtr, (INT)wParam, (LPSTR)lParam);

	case SB_SETTIPTEXTW:
	    return STATUSBAR_SetTipTextW (infoPtr, (INT)wParam, (LPWSTR)lParam);

	case SB_SETUNICODEFORMAT:
	    return STATUSBAR_SetUnicodeFormat (infoPtr, (BOOL)wParam);

	case SB_SIMPLE:
	    return STATUSBAR_Simple (infoPtr, (BOOL)wParam);

	case WM_CREATE:
	    return STATUSBAR_WMCreate (hwnd, (LPCREATESTRUCTA)lParam);

	case WM_DESTROY:
	    return STATUSBAR_WMDestroy (infoPtr);

	case WM_GETFONT:
	    return (LRESULT)(infoPtr->hFont? infoPtr->hFont : infoPtr->hDefaultFont);

	case WM_GETTEXT:
            return STATUSBAR_WMGetText (infoPtr, (INT)wParam, (LPWSTR)lParam);

	case WM_GETTEXTLENGTH:
	    return STATUSBAR_GetTextLength (infoPtr, 0);

	case WM_LBUTTONDBLCLK:
            return STATUSBAR_SendNotify (infoPtr, NM_DBLCLK);

	case WM_LBUTTONUP:
	    return STATUSBAR_SendNotify (infoPtr, NM_CLICK);

	case WM_MOUSEMOVE:
	    return STATUSBAR_Relay2Tip (infoPtr, msg, wParam, lParam);

	case WM_NCHITTEST:
	    res = STATUSBAR_WMNCHitTest(infoPtr, (short)LOWORD(lParam),
                                        (short)HIWORD(lParam));
	    if (res != HTERROR) return res;
	    return DefWindowProcW (hwnd, msg, wParam, lParam);

	case WM_NCLBUTTONUP:
	case WM_NCLBUTTONDOWN:
    	    PostMessageW (infoPtr->Notify, msg, wParam, lParam);
	    return 0;

	case WM_NOTIFYFORMAT:
	    return STATUSBAR_NotifyFormat(infoPtr, (HWND)wParam, (INT)lParam);

	case WM_PRINTCLIENT:
	case WM_PAINT:
	    return STATUSBAR_WMPaint (infoPtr, (HDC)wParam);

	case WM_RBUTTONDBLCLK:
	    return STATUSBAR_SendNotify (infoPtr, NM_RDBLCLK);

	case WM_RBUTTONUP:
	    return STATUSBAR_SendNotify (infoPtr, NM_RCLICK);

	case WM_SETFONT:
	    return STATUSBAR_WMSetFont (infoPtr, (HFONT)wParam, LOWORD(lParam));

	case WM_SETTEXT:
	    return STATUSBAR_WMSetText (infoPtr, (LPCSTR)lParam);

	case WM_SIZE:
	    if (STATUSBAR_WMSize (infoPtr, (WORD)wParam)) return 0;
            return DefWindowProcW (hwnd, msg, wParam, lParam);

        case WM_THEMECHANGED:
            return theme_changed (infoPtr);

	default:
	    if ((msg >= WM_USER) && (msg < WM_APP))
		ERR("unknown msg %04x wp=%04x lp=%08lx\n",
		     msg, wParam, lParam);
	    return DefWindowProcW (hwnd, msg, wParam, lParam);
    }
}


/***********************************************************************
 * STATUS_Register [Internal]
 *
 * Registers the status window class.
 */

void
STATUS_Register (void)
{
    WNDCLASSW wndClass;

    ZeroMemory (&wndClass, sizeof(WNDCLASSW));
    wndClass.style         = CS_GLOBALCLASS | CS_DBLCLKS | CS_VREDRAW;
    wndClass.lpfnWndProc   = StatusWindowProc;
    wndClass.cbClsExtra    = 0;
    wndClass.cbWndExtra    = sizeof(STATUS_INFO *);
    wndClass.hCursor       = LoadCursorW (0, (LPWSTR)IDC_ARROW);
    wndClass.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
    wndClass.lpszClassName = STATUSCLASSNAMEW;

    RegisterClassW (&wndClass);
}


/***********************************************************************
 * STATUS_Unregister [Internal]
 *
 * Unregisters the status window class.
 */

void
STATUS_Unregister (void)
{
    UnregisterClassW (STATUSCLASSNAMEW, NULL);
}