Esempio n. 1
0
void 
EndCopyWin(XParms xp, Parms p)
{
    EndScroll(xp, p);
    free(segsa);
    free(segsb);
}
Esempio n. 2
0
void 
EndCopyWin(XParms xp, Parms p)
{
    EndScroll(xp, p);
    free(segsa);
    free(segsb);
    if (segsa2)
	free (segsa2);
    if (segsb2)
	free (segsb2);
    segsa = segsb = segsa2 = segsb2 = NULL;
}
void CMScrollLabel::OnTimer()
{
    if ( m_nCurCount < m_nScrollCount )
    {
        //
        if ( m_nMoveLength + m_nTextLen > 0 )
        {
            // 继续移动
            m_nMoveLength -= m_nMoveStep;
            Invalide();
        }
        else
        {
            // 一次移动完毕
            ++m_nCurCount;
            m_nMoveLength = m_nMoveStep;
        }
    }
    else
    {
        // 自动结束滚动
        EndScroll();
    }
}
Esempio n. 4
0
void UIScrollView::Input(UIEvent *currentTouch)
{
//	if(currentTouch->tapCount == 2 && currentTouch->phase == UIControlTouch::PHASE_BEGAN)
//	{
//		float32 targetScale;
//		if(zoomScale < maxScale)
//		{
//			//zoom in
//			targetScale = maxScale;
//		}
//		else
//		{
//			targetScale = minScale;
//		}
//		LinearAnimation<float32> * scaleAnimation = new LinearAnimation<float32>(this, &zoomScale, targetScale, 0.5f,
//									Interpolation::EASY_IN_EASY_OUT);
//		scaleAnimation->Start(0);
//		
//		
//		{
//			float32 multScale = targetScale/zoomScale;
//			
//			if(targetScale < zoomScale)
//			{
//				LinearAnimation<float32> * xAnim = new LinearAnimation<float32>(this, &scrollOrigin.x, scrollZero.x, 0.5f, Interpolation::EASY_IN_EASY_OUT);
//				LinearAnimation<float32> * yAnim = new LinearAnimation<float32>(this, &scrollOrigin.y, scrollZero.y, 0.5f, Interpolation::EASY_IN_EASY_OUT);
//				xAnim->Start(1);
//				yAnim->Start(2);
//			}
//			else
//			{
//				Point2f adjPoint = Point2f(currentTouch->point.x*multScale, currentTouch->point.y*multScale);
//				Point2f delta = Point2f(adjPoint.x - currentTouch->point.x, adjPoint.y - currentTouch->point.y);
//				
//				LinearAnimation<float32> * xAnim = new LinearAnimation<float32>(this, &scrollOrigin.x, scrollOrigin.x-delta.x, 0.5f, Interpolation::EASY_IN_EASY_OUT);
//				LinearAnimation<float32> * yAnim = new LinearAnimation<float32>(this, &scrollOrigin.y, scrollOrigin.y-delta.y, 0.5f, Interpolation::EASY_IN_EASY_OUT);
//				
//				xAnim->Start(1);
//				yAnim->Start(2);
//			}
//		}
//	}
//  int32 saveState = state;
	
	Vector<UIEvent> touches = UIControlSystem::Instance()->GetAllInputs();
	if(1 == touches.size())
	{
        bool spaceIsPressed = InputSystem::Instance()->GetKeyboard()->IsKeyPressed(DVKEY_SPACE);
//        bool spaceIsPressed = false;
        if(!spaceIsPressed)
        {
            for(List<UIControl*>::iterator it = childs.begin(); it != childs.end(); ++it)
            {
                (*it)->Input(currentTouch);
            }

            return;
        }
        
        
		switch(currentTouch->phase) 
		{
			case UIEvent::PHASE_BEGAN:
			{
				scrollTouch = *currentTouch;
				
				Vector2 start = currentTouch->point;
				StartScroll(start);

				// init scrolling speed parameters
				scrollPixelsPerSecond = 0.0f;
				scrollStartTime = currentTouch->timestamp;//to avoid cast from uint64 to float64 SystemTimer::Instance()->AbsoluteMS();
				touchStartTime = SystemTimer::Instance()->AbsoluteMS();
				state = STATE_SCROLL;

				clickStartPosition = start;
			}
			break;
			case UIEvent::PHASE_DRAG:
			{
				if(state == STATE_SCROLL) 
				{
					if(currentTouch->tid == scrollTouch.tid)
					{
						// scrolling speed get parameters
						float64 scrollCurrentTime = currentTouch->timestamp;//SystemTimer::Instance()->AbsoluteMS();
						Vector2 scrollPrevPosition = scrollCurrentPosition;
						
						// perform scrolling
						ProcessScroll(currentTouch->point);
						
						// calculate scrolling speed
						float64 tmp = scrollCurrentTime;
						if(fabs(scrollCurrentTime - scrollStartTime) < 1e-9)
						{
							tmp += .1f;
						}
						
						Vector2 lineLength = scrollCurrentPosition - scrollPrevPosition;
						scrollPixelsPerSecond = (float32)((float64)lineLength.Length() / (tmp - scrollStartTime));
						scrollStartTime = scrollCurrentTime;
						
						///NSLog(@"pps:%f\n", scrollPixelsPerSecond);
					}
				}
			}
				break;
			case UIEvent::PHASE_ENDED:
			{
				if(state == STATE_SCROLL)
				{
					if(currentTouch->tid == scrollTouch.tid)
					{
						Vector2 scrollPrevPos = lastMousePositions[(positionIndex - 3) & (MAX_MOUSE_POSITIONS - 1)];
						Vector2 currentTouchPos = currentTouch->point; 
						
						deccelerationSpeed = Vector2(currentTouchPos.x, currentTouchPos.y);
						deccelerationSpeed.x -= scrollPrevPos.x;
						deccelerationSpeed.y -= scrollPrevPos.y;
						
						float32 deccelerationSpeedLen = sqrtf(deccelerationSpeed.x * deccelerationSpeed.x + deccelerationSpeed.y * deccelerationSpeed.y);
						if (deccelerationSpeedLen >= 0.00001f)
						{
							deccelerationSpeed.x /= deccelerationSpeedLen;
							deccelerationSpeed.y /= deccelerationSpeedLen;
						}
						else
						{
							deccelerationSpeed.x = 0.0f;
							deccelerationSpeed.y = 0.0f;
						}
						
						//Logger::Debug("Dcs: %f, %f\n", deccelerationSpeed.x, deccelerationSpeed.y);
						
						EndScroll();
						
						//scrollTouch = 0;
						if(scrollStartMovement)
						{
							state = STATE_DECCELERATION;
						}
						
						clickEndPosition = currentTouchPos;
					}
					
					if(touchStartTime)
					{
						touchStartTime = 0;
						PerformScroll();
					}
					
//					float32 clickLen = LineLength(clickStartPosition, clickEndPosition);
					
//					if (clickLen < SCROLL_BEGIN_PIXELS)
//					{			
//						clickEndPosition.x -= (scrollOrigin.x);
//						clickEndPosition.y -= (scrollOrigin.y);
//						
//						clickEndPosition.x /= zoomScale;
//						clickEndPosition.y /= zoomScale;
//						
//						UIControlTouch modifiedTouch = *currentTouch;
//						modifiedTouch.point = clickEndPosition;
//						
//						ScrollTouch(&modifiedTouch);
//					}	
				}
			}
				break;
		}
	}
	else if(2 == touches.size())
	{
		switch(currentTouch->phase) 
		{
			case UIEvent::PHASE_BEGAN:
			{
				if (state == STATE_SCROLL)
				{
					EndScroll();
					//scrollTouch = 0;
				}
				
				// init zoom parameters
				state = STATE_ZOOM;
				
				zoomTouches[0] = touches[0];
				zoomTouches[1] = touches[1];
				
				zoomStartPositions[0] = zoomTouches[0].point;
				zoomStartPositions[1] = zoomTouches[1].point;
				
				prevZoomScale = zoomScale; // save current scale to perform scaling in zoom mode
			}
			break;
			case UIEvent::PHASE_DRAG:
				if(state == STATE_ZOOM)
				{
					zoomTouches[0] = touches[0];
					zoomTouches[1] = touches[1];
					
					zoomCurrentPositions[0] = zoomTouches[0].point;
					zoomCurrentPositions[1] = zoomTouches[1].point;
					
					float initialDistance = sqrtf(
									  (zoomStartPositions[0].x - zoomStartPositions[1].x) * 
									  (zoomStartPositions[0].x - zoomStartPositions[1].x) + 
									  
									  (zoomStartPositions[0].y - zoomStartPositions[1].y) * 
									  (zoomStartPositions[0].y - zoomStartPositions[1].y));
					
					float currentDistance = sqrtf(
									  (zoomCurrentPositions[0].x - zoomCurrentPositions[1].x) * 
									  (zoomCurrentPositions[0].x - zoomCurrentPositions[1].x) + 
									  
									  (zoomCurrentPositions[0].y - zoomCurrentPositions[1].y) * 
									  (zoomCurrentPositions[0].y - zoomCurrentPositions[1].y));
					
					float32 saveZoomScale = zoomScale;
					float32 changeCoeff = initialDistance/currentDistance;
					float32 newScale = prevZoomScale * ((1.f - changeCoeff)/2.5f + 1.f);
					//float32 changeCoeff = currentDistance/initialDistance;
					//float32 newScale = prevZoomScale * changeCoeff * changeCoeff;
					if(newScale > maxScale)newScale = maxScale;
					if(newScale < minScale)newScale = minScale; 
					
					SetScale(newScale);
					
					Vector2 center = Vector2((zoomStartPositions[0].x + zoomStartPositions[1].x) / 2,
									(zoomStartPositions[0].y + zoomStartPositions[1].y) / 2);
					
					Vector2 scaleVectorOriginal = Vector2(center.x - scrollOrigin.x, center.y - scrollOrigin.y);
					Vector2 scaleVectorNew = scaleVectorOriginal;
					scaleVectorNew.x *= zoomScale / saveZoomScale;
					scaleVectorNew.y *= zoomScale / saveZoomScale;
					
					scaleVectorNew.x -= scaleVectorOriginal.x;
					scaleVectorNew.y -= scaleVectorOriginal.y;
					
					scrollOrigin.x -= scaleVectorNew.x;
					scrollOrigin.y -= scaleVectorNew.y;
				}
			break;
			case UIEvent::PHASE_ENDED:
			{
				Vector<UIEvent>::iterator it = touches.begin();
				bool zoomToScroll = false;
				for(; it != touches.end(); ++it)
				{
					if((*it).phase == UIEvent::PHASE_DRAG)
					{
						zoomToScroll = true;
						scrollTouch = *it;
					}
				}
				
				if(zoomToScroll)
				{
					//scrollTouch = *it;
					Vector2 start = scrollTouch.point;
					StartScroll(start);
					state = STATE_SCROLL;
					
					//zoomTouches[0] = 0;
					//zoomTouches[1] = 0;
				}
				else
				{
					if (state != STATE_DECCELERATION) 
					{
						state = STATE_NONE;
					}
				}
			}
			break;
		}
	}
	
//	if (saveState == state)
//	{
//		Logger::Debug("event: %d prevState: %d resultState: %d - alltouches: %d", currentTouch->phase, saveState, state, touches.size());
//	}else
//		Logger::Debug("CHANGED: event: %d prevState: %d resultState: %d - alltouches: %d", currentTouch->phase, saveState, state, touches.size());
}