tooltips.c

winNT技术操作系统,国外开放的原代码和LIUX一样

    case TTDT_INITIAL:
        if(nTime < 0)
	    nTime = GetDoubleClickTime();
	infoPtr->nInitialTime = nTime;
	    break;

    default:
        WARN("Invalid wParam %x\n", wParam);
	break;
    }

    return 0;
}


static LRESULT
TOOLTIPS_SetMargin (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
    TOOLTIPS_INFO *infoPtr = TOOLTIPS_GetInfoPtr (hwnd);
    LPRECT lpRect = (LPRECT)lParam;

    infoPtr->rcMargin.left   = lpRect->left;
    infoPtr->rcMargin.right  = lpRect->right;
    infoPtr->rcMargin.bottom = lpRect->bottom;
    infoPtr->rcMargin.top    = lpRect->top;

    return 0;
}


inline static LRESULT
TOOLTIPS_SetMaxTipWidth (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
    TOOLTIPS_INFO *infoPtr = TOOLTIPS_GetInfoPtr (hwnd);
    INT nTemp = infoPtr->nMaxTipWidth;

    infoPtr->nMaxTipWidth = (INT)lParam;

    return nTemp;
}


inline static LRESULT
TOOLTIPS_SetTipBkColor (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
    TOOLTIPS_INFO *infoPtr = TOOLTIPS_GetInfoPtr (hwnd);

    infoPtr->clrBk = (COLORREF)wParam;

    return 0;
}


inline static LRESULT
TOOLTIPS_SetTipTextColor (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
    TOOLTIPS_INFO *infoPtr = TOOLTIPS_GetInfoPtr (hwnd);

    infoPtr->clrText = (COLORREF)wParam;

    return 0;
}


static LRESULT
TOOLTIPS_SetTitleA (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
    TOOLTIPS_INFO *infoPtr = TOOLTIPS_GetInfoPtr (hwnd);
    LPCSTR pszTitle = (LPCSTR)lParam;
    UINT_PTR uTitleIcon = (UINT_PTR)wParam;
    UINT size;

    TRACE("hwnd = %p, title = %s, icon = %p\n", hwnd, debugstr_a(pszTitle),
        (void*)uTitleIcon);

    Free(infoPtr->pszTitle);

    if (pszTitle)
    {
        size = sizeof(WCHAR)*MultiByteToWideChar(CP_ACP, 0, pszTitle, -1, NULL, 0);
        infoPtr->pszTitle = Alloc(size);
        if (!infoPtr->pszTitle)
            return FALSE;
        MultiByteToWideChar(CP_ACP, 0, pszTitle, -1, infoPtr->pszTitle, size/sizeof(WCHAR));
    }
    else
        infoPtr->pszTitle = NULL;

    if (uTitleIcon <= TTI_ERROR)
        infoPtr->hTitleIcon = hTooltipIcons[uTitleIcon];
    else
        infoPtr->hTitleIcon = CopyIcon((HICON)wParam);

    return TRUE;
}


static LRESULT
TOOLTIPS_SetTitleW (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
    TOOLTIPS_INFO *infoPtr = TOOLTIPS_GetInfoPtr (hwnd);
    LPCWSTR pszTitle = (LPCWSTR)lParam;
    UINT_PTR uTitleIcon = (UINT_PTR)wParam;
    UINT size;

    TRACE("hwnd = %p, title = %s, icon = %p\n", hwnd, debugstr_w(pszTitle),
        (void*)uTitleIcon);

    Free(infoPtr->pszTitle);

    if (pszTitle)
    {
        size = (strlenW(pszTitle)+1)*sizeof(WCHAR);
        infoPtr->pszTitle = Alloc(size);
        if (!infoPtr->pszTitle)
            return FALSE;
        memcpy(infoPtr->pszTitle, pszTitle, size);
    }
    else
        infoPtr->pszTitle = NULL;

    if (uTitleIcon <= TTI_ERROR)
        infoPtr->hTitleIcon = hTooltipIcons[uTitleIcon];
    else
        infoPtr->hTitleIcon = CopyIcon((HICON)wParam);

    TRACE("icon = %p\n", infoPtr->hTitleIcon);

    return TRUE;
}


static LRESULT
TOOLTIPS_SetToolInfoA (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
    TOOLTIPS_INFO *infoPtr = TOOLTIPS_GetInfoPtr (hwnd);
    LPTTTOOLINFOA lpToolInfo = (LPTTTOOLINFOA)lParam;
    TTTOOL_INFO *toolPtr;
    INT nTool;

    if (lpToolInfo == NULL)
	return 0;
    if (lpToolInfo->cbSize < TTTOOLINFOA_V1_SIZE)
	return 0;

    nTool = TOOLTIPS_GetToolFromInfoA (infoPtr, lpToolInfo);
    if (nTool == -1) return 0;

    TRACE("tool %d\n", nTool);

    toolPtr = &infoPtr->tools[nTool];

    /* copy tool data */
    toolPtr->uFlags = lpToolInfo->uFlags;
    toolPtr->hwnd   = lpToolInfo->hwnd;
    toolPtr->uId    = lpToolInfo->uId;
    toolPtr->rect   = lpToolInfo->rect;
    toolPtr->hinst  = lpToolInfo->hinst;

    if (IS_INTRESOURCE(lpToolInfo->lpszText)) {
	TRACE("set string id %x\n", LOWORD(lpToolInfo->lpszText));
	toolPtr->lpszText = (LPWSTR)lpToolInfo->lpszText;
    }
    else if (lpToolInfo->lpszText) {
	if (lpToolInfo->lpszText == LPSTR_TEXTCALLBACKA)
	    toolPtr->lpszText = LPSTR_TEXTCALLBACKW;
	else {
	    if ( (toolPtr->lpszText) &&
		 !IS_INTRESOURCE(toolPtr->lpszText) ) {
		if( toolPtr->lpszText != LPSTR_TEXTCALLBACKW)
                    Free (toolPtr->lpszText);
		toolPtr->lpszText = NULL;
	    }
	    if (lpToolInfo->lpszText) {
		INT len = MultiByteToWideChar(CP_ACP, 0, lpToolInfo->lpszText,
					      -1, NULL, 0);
		toolPtr->lpszText = Alloc (len * sizeof(WCHAR));
		MultiByteToWideChar(CP_ACP, 0, lpToolInfo->lpszText, -1,
				    toolPtr->lpszText, len);
	    }
	}
    }

    if (lpToolInfo->cbSize >= sizeof(TTTOOLINFOA))
	toolPtr->lParam = lpToolInfo->lParam;

    return 0;
}


static LRESULT
TOOLTIPS_SetToolInfoW (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
    TOOLTIPS_INFO *infoPtr = TOOLTIPS_GetInfoPtr (hwnd);
    LPTTTOOLINFOW lpToolInfo = (LPTTTOOLINFOW)lParam;
    TTTOOL_INFO *toolPtr;
    INT nTool;

    if (lpToolInfo == NULL)
	return 0;
    if (lpToolInfo->cbSize < TTTOOLINFOW_V1_SIZE)
	return 0;

    nTool = TOOLTIPS_GetToolFromInfoW (infoPtr, lpToolInfo);
    if (nTool == -1) return 0;

    TRACE("tool %d\n", nTool);

    toolPtr = &infoPtr->tools[nTool];

    /* copy tool data */
    toolPtr->uFlags = lpToolInfo->uFlags;
    toolPtr->hwnd   = lpToolInfo->hwnd;
    toolPtr->uId    = lpToolInfo->uId;
    toolPtr->rect   = lpToolInfo->rect;
    toolPtr->hinst  = lpToolInfo->hinst;

    if (IS_INTRESOURCE(lpToolInfo->lpszText)) {
	TRACE("set string id %x!\n", LOWORD(lpToolInfo->lpszText));
	toolPtr->lpszText = lpToolInfo->lpszText;
    }
    else {
	if (lpToolInfo->lpszText == LPSTR_TEXTCALLBACKW)
	    toolPtr->lpszText = LPSTR_TEXTCALLBACKW;
	else {
	    if ( (toolPtr->lpszText) &&
		 !IS_INTRESOURCE(toolPtr->lpszText) ) {
		if( toolPtr->lpszText != LPSTR_TEXTCALLBACKW)
                    Free (toolPtr->lpszText);
		toolPtr->lpszText = NULL;
	    }
	    if (lpToolInfo->lpszText) {
		INT len = lstrlenW (lpToolInfo->lpszText);
		toolPtr->lpszText = Alloc ((len+1)*sizeof(WCHAR));
		strcpyW (toolPtr->lpszText, lpToolInfo->lpszText);
	    }
	}
    }

    if (lpToolInfo->cbSize >= sizeof(TTTOOLINFOW))
	toolPtr->lParam = lpToolInfo->lParam;

    if (infoPtr->nCurrentTool == nTool)
    {
        TOOLTIPS_GetTipText (hwnd, infoPtr, infoPtr->nCurrentTool);

        if (infoPtr->szTipText[0] == 0)
            TOOLTIPS_Hide(hwnd, infoPtr);
        else
            TOOLTIPS_Show (hwnd, infoPtr);
    }

    return 0;
}


static LRESULT
TOOLTIPS_TrackActivate (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
    TOOLTIPS_INFO *infoPtr = TOOLTIPS_GetInfoPtr (hwnd);

    if ((BOOL)wParam) {
	LPTTTOOLINFOA lpToolInfo = (LPTTTOOLINFOA)lParam;

	if (lpToolInfo == NULL)
	    return 0;
	if (lpToolInfo->cbSize < TTTOOLINFOA_V1_SIZE)
	    return FALSE;

	/* activate */
	infoPtr->nTrackTool = TOOLTIPS_GetToolFromInfoA (infoPtr, lpToolInfo);
	if (infoPtr->nTrackTool != -1) {
	    TRACE("activated!\n");
	    infoPtr->bTrackActive = TRUE;
	    TOOLTIPS_TrackShow (hwnd, infoPtr);
	}
    }
    else {
	/* deactivate */
	TOOLTIPS_TrackHide (hwnd, infoPtr);

	infoPtr->bTrackActive = FALSE;
	infoPtr->nTrackTool = -1;

	TRACE("deactivated!\n");
    }

    return 0;
}


static LRESULT
TOOLTIPS_TrackPosition (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
    TOOLTIPS_INFO *infoPtr = TOOLTIPS_GetInfoPtr (hwnd);

    infoPtr->xTrackPos = (INT)LOWORD(lParam);
    infoPtr->yTrackPos = (INT)HIWORD(lParam);

    if (infoPtr->bTrackActive) {
	TRACE("[%d %d]\n",
	       infoPtr->xTrackPos, infoPtr->yTrackPos);

	TOOLTIPS_TrackShow (hwnd, infoPtr);
    }

    return 0;
}


static LRESULT
TOOLTIPS_Update (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
    TOOLTIPS_INFO *infoPtr = TOOLTIPS_GetInfoPtr (hwnd);

    if (infoPtr->nCurrentTool != -1)
	UpdateWindow (hwnd);

    return 0;
}


static LRESULT
TOOLTIPS_UpdateTipTextA (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
    TOOLTIPS_INFO *infoPtr = TOOLTIPS_GetInfoPtr (hwnd);
    LPTTTOOLINFOA lpToolInfo = (LPTTTOOLINFOA)lParam;
    TTTOOL_INFO *toolPtr;
    INT nTool;

    if (lpToolInfo == NULL)
	return 0;
    if (lpToolInfo->cbSize < TTTOOLINFOA_V1_SIZE)
	return FALSE;

    nTool = TOOLTIPS_GetToolFromInfoA (infoPtr, lpToolInfo);
    if (nTool == -1) return 0;

    TRACE("tool %d\n", nTool);

    toolPtr = &infoPtr->tools[nTool];

    /* copy tool text */
    toolPtr->hinst  = lpToolInfo->hinst;

    if (IS_INTRESOURCE(lpToolInfo->lpszText)){
	toolPtr->lpszText = (LPWSTR)lpToolInfo->lpszText;
    }
    else if (lpToolInfo->lpszText) {
	if (lpToolInfo->lpszText == LPSTR_TEXTCALLBACKA)
	    toolPtr->lpszText = LPSTR_TEXTCALLBACKW;
	else {
	    if ( (toolPtr->lpszText) &&
		 !IS_INTRESOURCE(toolPtr->lpszText) ) {
		if( toolPtr->lpszText != LPSTR_TEXTCALLBACKW)
                    Free (toolPtr->lpszText);
		toolPtr->lpszText = NULL;
	    }
	    if (lpToolInfo->lpszText) {
		INT len = MultiByteToWideChar(CP_ACP, 0, lpToolInfo->lpszText,
					      -1, NULL, 0);
		toolPtr->lpszText = Alloc (len * sizeof(WCHAR));
		MultiByteToWideChar(CP_ACP, 0, lpToolInfo->lpszText, -1,
				    toolPtr->lpszText, len);
	    }
	}
    }

    if(infoPtr->nCurrentTool == -1) return 0;
    /* force repaint */
    if (infoPtr->bActive)
	TOOLTIPS_Show (hwnd, infoPtr);
    else if (infoPtr->bTrackActive)
	TOOLTIPS_TrackShow (hwnd, infoPtr);

    return 0;
}


static LRESULT
TOOLTIPS_UpdateTipTextW (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
    TOOLTIPS_INFO *infoPtr = TOOLTIPS_GetInfoPtr (hwnd);
    LPTTTOOLINFOW lpToolInfo = (LPTTTOOLINFOW)lParam;
    TTTOOL_INFO *toolPtr;
    INT nTool;

    if (lpToolInfo == NULL)
	return 0;
    if (lpToolInfo->cbSize < TTTOOLINFOW_V1_SIZE)
	return FALSE;

    nTool = TOOLTIPS_GetToolFromInfoW (infoPtr, lpToolInfo);
    if (nTool == -1)
	return 0;

    TRACE("tool %d\n", nTool);

    toolPtr = &infoPtr->tools[nTool];

    /* copy tool text */
    toolPtr->hinst  = lpToolInfo->hinst;

    if (IS_INTRESOURCE(lpToolInfo->lpszText)){
	toolPtr->lpszText = lpToolInfo->lpszText;
    }
    else if (lpToolInfo->lpszText) {
	if (lpToolInfo->lpszText == LPSTR_TEXTCALLBACKW)
	    toolPtr->lpszText = LPSTR_TEXTCALLBACKW;
	else {
	    if ( (toolPtr->lpszText)  &&
		 !IS_INTRESOURCE(toolPtr->lpszText) ) {
		if( toolPtr->lpszText != LPSTR_TEXTCALLBACKW)
                    Free (toolPtr->lpszText);
		toolPtr->lpszText = NULL;
	    }
	    if (lpToolInfo->lpszText) {
		INT len = lstrlenW (lpToolInfo->lpszText);
		toolPtr->lpszText = Alloc ((len+1)*sizeof(WCHAR));
		strcpyW (toolPtr->lpszText, lpToolInfo->lpszText);
	    }
	}
    }

    if(infoPtr->nCurrentTool == -1) return 0;
    /* force repaint */
    if (infoPtr->bActive)
	TOOLTIPS_Show (hwnd, infoPtr);
    else if (infoPtr->bTrackActive)
	TOOLTIPS_TrackShow (hwnd, infoPtr);

    return 0;
}


static LRESULT
TOOLTIPS_WindowFromPoint (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
    return (LRESULT)WindowFromPoint (*((LPPOINT)lParam));
}



static LRESULT
TOOLTIPS_Create (HWND hwnd, const CREATESTRUCTW *lpcs)
{
    TOOLTIPS_INFO *infoPtr;

    /* allocate memory for info structure */
    infoPtr = (TOOLTIPS_INFO *)Alloc (sizeof(TOOLTIPS_INFO));
    SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);

    /* initialize info structure */
    infoPtr->bActive = TRUE;
    infoPtr->bTrackActive = FALSE;

    infoPtr->nMaxTipWidth = -1;
    infoPtr->nTool = -1;
    infoPtr->nCurrentTool = -1;
    infoPtr->nTrackTool = -1;

    /* initialize colours and fonts */
    TOOLTIPS_InitSystemSettings(info