public void OnBeginDrag(PointerEventData eventData)
{
if (!enabled)
{
return;
}
if (_canvas.scaleFactor != _scale)
{
_scale = _canvas.scaleFactor;
}
lockedaxis = "";
vdistance = 0;
hdistance = 0;
permanentScrollUntilLimit = 0;
GetObjects();
_dragging = true;
killTweens();
lastX = eventData.position.x;
lastY = eventData.position.y;
scrollEvent.Invoke(scrollerName, "begin");
if (parentScroller)
{
parentScroller.OnBeginDrag(eventData);
}
}
public void Update(GameTime gameTime)
{
_previousState = _mouseState;
_mouseState = Mouse.GetState();
if (JustPressed)
{
OnPressedEvent?.Invoke(_mouseState, _previousState);
}
else if (HeldDown)
{
OnHeldDownEvent?.Invoke(_mouseState, _previousState);
}
else if (JustReleased)
{
OnReleaseEvent?.Invoke(_mouseState, _previousState);
}
if (_mouseState.ScrollWheelValue != _previousState.ScrollWheelValue)
{
if (OnScrollEvent != null)
{
var scrollBy = _mouseState.ScrollWheelValue - _previousState.ScrollWheelValue;
OnScrollEvent.Invoke(scrollBy);
}
}
}
public void OnScroll(InputAction.CallbackContext context)
{
if (context.phase == InputActionPhase.Performed)
{
ScrollEvent.Invoke(context.ReadValue <float>());
}
}
void Set(float input, bool sendCallback)
{
//If our scrollbar is full size we don't have content to scroll
if (size == 1)
{
return;
}
float currentValue = m_Value;
// Clamp the input
m_Value = Mathf.Clamp01(input);
// If the stepped value doesn't match the last one, it's time to update
if (currentValue == value)
{
return;
}
UpdateVisuals();
if (sendCallback)
{
UISystemProfilerApi.AddMarker("Scrollbar.value", this);
m_OnValueChanged.Invoke(value);
}
}
protected override void WndProc(ref Message m)
{
if (m.Msg == WmVscroll ||
m.Msg == WmHscroll ||
m.Msg == WmKeydown ||
m.Msg == WmMousewheel)
{
ScrollEvent?.Invoke(this, null);
}
base.WndProc(ref m);
}
private void Set(float input, bool sendCallback)
{
float value = m_Value;
m_Value = Mathf.Clamp01(input);
if (value != this.value)
{
UpdateVisuals();
if (sendCallback)
{
m_OnValueChanged.Invoke(this.value);
}
}
}
void Set(float input, bool sendCallback)
{
float currentValue = m_Value;
// Clamp the input
m_Value = Mathf.Clamp01(input);
// If the stepped value doesn't match the last one, it's time to update
if (currentValue == value)
{
return;
}
UpdateVisuals();
if (sendCallback)
{
m_OnValueChanged.Invoke(value);
}
}
void Set(float input, bool sendCallback = true)
{
float currentValue = m_Value;
// bugfix (case 802330) clamp01 input in callee before calling this function, this allows inertia from dragging content to go past extremities without being clamped
m_Value = input;
// If the stepped value doesn't match the last one, it's time to update
if (currentValue == value)
{
return;
}
UpdateVisuals();
if (sendCallback)
{
UISystemProfilerApi.AddMarker("Scrollbar.value", this);
m_OnValueChanged.Invoke(value);
}
}
private void ProcessEventStuff(ScrollBar scrollBar, ScrollEventArgs e)
{
if (e.Type == ScrollEventType.ThumbTrack)
{
ScrollProgressEvent?.Invoke(this, hScrollBar1, _zoomState,
new ZoomState(GraphPane, ZoomState.StateType.Scroll));
}
else // if ( e.Type == ScrollEventType.ThumbPosition )
{
if ((_zoomState != null) && _zoomState.IsChanged(GraphPane))
{
//this.GraphPane.ZoomStack.Push( _zoomState );
ZoomStatePush(GraphPane);
// Provide Callback to notify the user of pan events
ScrollDoneEvent?.Invoke(this, hScrollBar1, _zoomState,
new ZoomState(GraphPane, ZoomState.StateType.Scroll));
_zoomState = null;
}
}
ScrollEvent?.Invoke(scrollBar, e);
}
public void CallScrollEvent()
{
ScrollEvent?.Invoke();
}
private void OnScroll()
{
ScrollEventArgs eventArgs = new ScrollEventArgs(mScrollingChild.CurrentPosition);
ScrollEvent?.Invoke(this, eventArgs);
}
protected virtual void OnScrollEvent()
{
ScrollEvent?.Invoke(this, EventArgs.Empty);
}