ScrollBar::ScrollBar()
: currentValue_(0),
maxValue_(1),
stepSize_(0.1)
{
setOutlineColor(DEFAULT_OUTLINE_COLOR);
setOutlineThickness(DEFAULT_OUTLINE_THICKNESS);
scrollIndicator_ = new RectangularWidget();
scrollIndicator_->setSize({this->getSize().x, 4});
scrollIndicator_->setAnchor({0.5, 0.5});
scrollIndicator_->setParentAnchor({0.5, 0});
scrollIndicator_->setFillColor(sf::Color::Red);
updateScrollIndicator();
addWidget(scrollIndicator_);
scrollUpButton_ = new Button();
scrollUpButton_->signalLeftMouseButtonPressed.connect([this] { stepScroll(UP); });
scrollUpButton_->signalLeftMouseButtonHeld.connect([this] (float frameTimeInSeconds) { smoothScroll(UP, frameTimeInSeconds); });
// scrollUpButton_->setText("^");
scrollUpButton_->setSize(this->getSize());
scrollUpButton_->setOutlineThickness(1);
scrollUpButton_->setOutlineColor(DEFAULT_OUTLINE_COLOR);
addWidget(scrollUpButton_);
scrollDownButton_ = new Button();
scrollDownButton_->signalLeftMouseButtonPressed.connect([this] { stepScroll(DOWN); });
scrollDownButton_->signalLeftMouseButtonHeld.connect([this] (float frameTimeInSeconds) { smoothScroll(DOWN, frameTimeInSeconds); });
// scrollDownButton_->setText("v");
scrollDownButton_->setSize(this->getSize());
scrollDownButton_->setOutlineThickness(1);
scrollDownButton_->setOutlineColor(DEFAULT_OUTLINE_COLOR);
scrollDownButton_->setAnchor({0, 1});
scrollDownButton_->setParentAnchor({0, 1});
addWidget(scrollDownButton_);
}
void HFViewport::onTouchesMoved(const std::vector<Touch*>& pTouches, Event *pEvent)
{
if (notMove) {
return;
}
CC_ASSERT(this->m_TargetNode);
if( m_TargetNode == NULL )
return;
vector<CCTouch*> tmpTouches;
auto tmpIt = pTouches.begin();
while (tmpIt != pTouches.end()) {
auto tmpTouch = dynamic_cast<CCTouch*>(*tmpIt);
if (mFingerMap.find(tmpTouch->getID()) != mFingerMap.end()) {
tmpTouches.push_back(tmpTouch);
}
++tmpIt;
}
switch(tmpTouches.size())
{
case 1:
{
CCTouch* ptouch = *tmpTouches.begin();
if (!m_bTouchMoved && !moveableCheck(ptouch)) {
return;
}
CC_BREAK_IF(this->mTouchMode != TouchMode_Scroll);
if (!mForceStopScroll && mMovable) {
CCPoint newPoint, moveDistance;
stepScroll(ptouch);
m_tTouchTime = getNowTime();
newPoint = this->convertTouchToNodeSpace(ptouch);
moveDistance = ccpSub(newPoint, m_tTouchPoint);
if (!mIsProcessingScroll) {
m_tTouchPoint = CCPointZero;
}
float dis = 0.0f;
dis = sqrtf(moveDistance.x*moveDistance.x + moveDistance.y*moveDistance.y);
if (fabs(convertDistanceFromPointToInch(dis)) < MOVE_INCH )
{
//CCLOG("Invalid movement, distance = [%f, %f], disInch = %f", moveDistance.x, moveDistance.y);
return;
}
if (!m_bTouchMoved)
{
moveDistance = CCPointZero;
}
m_tTouchPoint = newPoint;
m_bTouchMoved = true;
m_tScrollDistance = moveDistance;
}
}
break;
case 2:
CC_BREAK_IF(this->mTouchMode != TouchMode_Zoom);
do
{
CCTouch* objTouch1 = *tmpTouches.begin();
CCTouch* objTouch2 = tmpTouches.back();
stepZoom(objTouch1->getLocation(), objTouch2->getLocation());
}
while(0);
break;
default:
CCLOG("move:Touch not support with %d fingers", pTouches.size());
mFingerMap.clear();
}
}
void ScrollBar::smoothScroll(float direction, float elapsedTimeInSeconds)
{
stepScroll(direction, elapsedTimeInSeconds * 20);
}
