public override bool HandleInput()
{
bool captured = false;
if (!Visible || !CanScroll())
{
return(captured);
}
var absolutePosition = OwnerControl.GetPositionAbsoluteCenter() + Position;
bool mouseOverThis = MyGuiControlBase.CheckMouseOver(Size, absolutePosition, MyGuiDrawAlignEnum.HORISONTAL_LEFT_AND_VERTICAL_TOP);
bool mouseOverOwner = OwnerControl.IsMouseOver;
IsOverCaret = MyGuiControlBase.CheckMouseOver(CaretSize, absolutePosition + GetCarretPosition(), MyGuiDrawAlignEnum.HORISONTAL_LEFT_AND_VERTICAL_TOP);
switch (State)
{
case StateEnum.Ready:
if (MyInput.Static.IsNewPrimaryButtonPressed() && IsOverCaret)
{
captured = true;
State = StateEnum.Drag;
m_dragClick = MyGuiManager.MouseCursorPosition;
}
break;
case StateEnum.Drag:
if (!MyInput.Static.IsPrimaryButtonPressed())
{
State = StateEnum.Ready;
}
else
{
ChangeValue((MyGuiManager.MouseCursorPosition.Y - m_dragClick.Y) * (Max - Page) / (Size.Y - CaretSize.Y));
m_dragClick = MyGuiManager.MouseCursorPosition;
}
captured = true;
break;
}
if (mouseOverThis || mouseOverOwner)
{
var scrolled = MyInput.Static.DeltaMouseScrollWheelValue();
if (scrolled != 0 && scrolled != -MyInput.Static.PreviousMouseScrollWheelValue())
{
captured = true;
ChangeValue((scrolled / -120f) * Page * 0.25f);
}
}
return(captured);
}
public override void Draw(Color colorMask)
{
if (!Visible)
{
return;
}
var leftTopPosition = OwnerControl.GetPositionAbsoluteCenter() + Position;
m_backgroundTexture.Draw(leftTopPosition, Size, colorMask);
if (CanScroll())
{
var carretPosition = GetCarretPosition();
Texture.Draw(leftTopPosition + carretPosition,
CaretSize,
colorMask);
}
}