private void MoveSelectionIndex(int delta)
{
if (!HasSelection)
{
return;
}
SelectedIndex = (int)Util.Clamp(_selectedIndex + delta, 0, Count - 1);
}
/** Enable touch to scroll, and mousewheel scroll */
public override void Update()
{
base.Update();
if (ScrollMode == ScrollMode.None)
{
return;
}
bool touchToScroll = Engine.TouchDevice;
bool scrolling = false;
float dragStrength = 10f;
if (touchToScroll)
{
dragStrength = 10f;
if ((Input.touchCount >= 1) && (Depressed) && (!CoM.DragDrop.IsDragging))
{
var touch = Input.GetTouch(0);
Velocity = touch.deltaPosition / Time.deltaTime / Engine.DPIScale;
scrolling = true;
}
}
else
{
dragStrength = 10f;
if (IsMouseInside && Input.mouseScrollDelta.magnitude != 0)
{
Vector3 impluse = Input.mouseScrollDelta * -500;
Velocity = Velocity + impluse;
scrolling = true;
}
}
if (!scrolling)
{
Vector3 drag = -Velocity * Time.deltaTime * dragStrength;
float mangnitude = Util.Clamp(drag.magnitude, 1, 1000);
drag.Normalize();
drag = drag * mangnitude;
if (drag.magnitude > Velocity.magnitude)
{
Velocity = new Vector3(0, 0, 0);
}
else
{
Velocity += drag;
}
}
ScrollLocation.x += Velocity.x * Time.deltaTime;
ScrollLocation.y += Velocity.y * Time.deltaTime;
}
/** Makes the splat larger over time and fades it out. */
private void updateFadeout()
{
if (age < 0)
{
return;
}
if (age >= Life)
{
Remove();
return;
}
float factor = 1f - (age / Life);
CompositeAlpha = Util.Clamp(factor * 2f, 0f, 1f);
Visible = true;
}
public override void Update()
{
fitScrollBox();
if (Messages == null)
{
Label.Caption = "";
return;
}
yoffset = Util.Clamp(yoffset - Time.deltaTime * 100, 0, 32);
// Detect any added messages
int newMessages = newMessageCount();
if (newMessages > 0)
{
// a new message has been added, so invalidate.
Invalidate();
removeMessageTimer = AutoRemoveMessageTimeout;
if (ScrollOn)
{
yoffset += 16 * newMessages;
}
if (AutoScrollToBottom)
{
ScrollToBottom();
}
}
// Auto delete
if (AutoRemoveMessageTimeout != 0.0f)
{
if (Messages.Count > 0)
{
removeMessageTimer -= Time.deltaTime;
if (removeMessageTimer <= 0)
{
for (int lp = 0; lp < Messages.Count; lp++)
{
if (!Messages[lp].FadeAndRemove)
{
Messages[lp].FadeAndRemove = true;
break;
}
}
removeMessageTimer = 0.33f;
}
}
}
// Retraction
if (hideValue != goalHideValue)
{
if (hideValue < goalHideValue)
{
hideValue = (FadeOutTime == 0) ? goalHideValue : Util.Clamp(hideValue + Time.deltaTime / FadeOutTime, 0, goalHideValue);
}
if (hideValue > goalHideValue)
{
hideValue = (FadeInTime == 0) ? goalHideValue : Util.Clamp(hideValue - Time.deltaTime / FadeInTime, goalHideValue, 1);
}
}
// Auto hide.
if (AutoHideTimeout != 0.0f)
{
if (Time.time > mostRecentTimeStamp + AutoHideTimeout)
{
goalHideValue = 1.0f;
}
else
{
goalHideValue = 0.0f;
}
}
// Fade out and remove messages.
for (int lp = Messages.Count - 1; lp >= 0; lp--)
{
if (Messages[lp].FadeAndRemove)
{
Invalidate();
Messages[lp].Color.a -= Time.deltaTime;
if (Messages[lp].Color.a <= 0)
{
Messages.RemoveAt(lp);
}
}
}
// Refresh text if needed.
if (needsUpdate)
{
RefreshText();
}
// Auto fading
if (HideStyle == MessageBoxHideStyle.FadingMouse)
{
if (IsMouseOver)
{
goalHideValue = 0f;
}
}
base.Update();
}