C++ SkEvent::findString方法代码示例

bool SkInfoPanelView::onEvent(const SkEvent& evt) {
    if (evt.isType(SkDebugger_StateType)) {
        fMatrix = evt.findString(SkDebugger_Matrix);
        fClip = evt.findString(SkDebugger_Clip);
        
        SkPaint* ptr;
        if (evt.getMetaData().findPtr(SkDebugger_Paint, (void**)&ptr)) {
            fPaint = *ptr;
            fPaintInfo = evt.findString(SkDebugger_PaintInfo);
        }
        this->inval(NULL);
        return true;
    }
    return this->INHERITED::onEvent(evt);
}

void SkGridView::onDraw(SkCanvas* canvas)
{
	this->INHERITED::onDraw(canvas);

	canvas->drawPaint(fPaint[kBG_Attr]);

	if (fSource == NULL)
		return;

#if 0
	int	visibleCount = SkMin32(fVisibleRowCount, fSource->countRows() - fScrollIndex);
	if (visibleCount == 0)
		return;

	this->ensureStrCache(visibleCount);
	int currIndex = this->logicalToVisualIndex(fCurrIndex);
#endif

	SkPaint	p;
	for (int i = 0; i < fSource->countRows(); i++)
	{
		bool	 forced = false;
		SkEvent* evt = fSource->getEvent(i);
		SkASSERT(evt);
		SkString path(evt->findString("path"));
		delete evt;

		SkBitmapRef* bmr = SkBitmapRef::Decode(path.c_str(), false);
		if (bmr == NULL)
		{
			bmr = SkBitmapRef::Decode(path.c_str(), true);
			if (bmr)
				forced = true;
		}

		if (bmr)
		{
			SkAutoTDelete<SkBitmapRef>	autoRef(bmr);
			SkRect	r;
			if (!this->getCellRect(i, &r))
				break;
			copybits(canvas, bmr->bitmap(), r, p);
		}
		// only draw one forced bitmap at a time
		if (forced)
		{
			this->inval(NULL);	// could inval only the remaining visible cells...
			break;
		}
	}

	// draw the hilite
	{
		SkRect	r;
		if (fCurrIndex >= 0 && this->getCellRect(fCurrIndex, &r))
			canvas->drawRect(r, fPaint[kHiliteCell_Attr]);
	}
}

bool SkOSMenu::FindText(const SkEvent& evt, const char slotName[], SkString* value) {
    if (evt.isType(gMenuEventType)) {
        const char* text = evt.findString(slotName);
        if (!text || !*text)
            return false;
        else {
            value->set(text);
            return true;
        }
    }
    return false;
}

bool SkOSMenu::FindListItems(const SkEvent& evt, SkString items[]) {
    if (evt.isType(gMenuEventType) && items) {
        const char* text = evt.findString(gList_Items_Str);
        if (text != NULL) {
            SkString temp(text);
            char* token = strtok((char*)temp.c_str(), gDelimiter);
            int index = 0;
            while (token != NULL) {
                items[index].set(token, strlen(token));
                token = strtok (NULL, gDelimiter);
                ++index;
            }
        }
        return true;
    }
    return false;
}

bool SkAnimator::onEvent(const SkEvent& evt) {
#ifdef SK_DEBUG
    SkAnimator* root = fMaker->getRoot();
    if (root == NULL)
        root = this;
    if (root->isTrackingEvents())
        root->eventDone(evt);
#endif
    if (evt.isType(SK_EventType_OnEnd)) {
        SkEventState eventState;
        bool success = evt.findPtr("anim", (void**) &eventState.fDisplayable);
        SkASSERT(success);
        success = evt.findS32("time", (int32_t*) &fMaker->fEnableTime);
        SkASSERT(success);
        fMaker->fAdjustedStart = fMaker->getAppTime() - fMaker->fEnableTime;
        fMaker->fEvents.doEvent(*fMaker, SkDisplayEvent::kOnEnd, &eventState);
        fMaker->fAdjustedStart = 0;
        goto inval;
    }
    if (evt.isType(SK_EventType_Delay)) {
        fMaker->doDelayedEvent();
        goto inval;
    }
    {
        const char* id = evt.findString("id");
        if (id == NULL)
            return false;
        SkDisplayable** firstMovie = fMaker->fMovies.begin();
        SkDisplayable** endMovie = fMaker->fMovies.end();
        for (SkDisplayable** ptr = firstMovie; ptr < endMovie; ptr++) {
            SkDisplayMovie* movie = (SkDisplayMovie*) *ptr;
            movie->doEvent(evt);
        }
        {
            SkDisplayable* event;
            if (fMaker->find(id, &event) == false)
                return false;
    #if defined SK_DEBUG && defined SK_DEBUG_ANIMATION_TIMING
            SkString debugOut;
            SkMSec realTime = fMaker->getAppTime();
            debugOut.appendS32(realTime - fMaker->fDebugTimeBase);
            debugOut.append(" onEvent id=");
            debugOut.append(id);
    #endif
            SkMSec time = evt.getFast32();
            if (time != 0) {
                SkMSec app  = fMaker->getAppTime();
                fMaker->setEnableTime(app, time);
    #if defined SK_DEBUG && defined SK_DEBUG_ANIMATION_TIMING
                debugOut.append(" time=");
                debugOut.appendS32(time - fMaker->fDebugTimeBase);
                debugOut.append(" adjust=");
                debugOut.appendS32(fMaker->fAdjustedStart);
    #endif
            }
    #if defined SK_DEBUG && defined SK_DEBUG_ANIMATION_TIMING
            SkDebugf("%s\n", debugOut.c_str());
    #endif
            SkASSERT(event->isEvent());
            SkDisplayEvent* displayEvent = (SkDisplayEvent*) event;
            displayEvent->populateInput(*fMaker, evt);
            displayEvent->enableEvent(*fMaker);
        }
    }
inval:
    fMaker->notifyInval();
    return true;
}

bool SkOSMenu::FindAction(const SkEvent& evt, const char label[]) {
    return evt.isType(gMenuEventType) && evt.findString(label);
}