protected internal override bool OnMouseButtonDown(GUIMouseEventArgs e)
{
bool ret = base.OnMouseButtonDown(e);
if (e.Button == GUISystem.ClickButton &&
this.isSizingEnabled == true)
{
sizingLocation = GetSizingBorderAtPoint(e.Position);
if (sizingLocation != SizingLocation.None)
{
// ensure all inputs come to us for now
CaptureInput();
// setup the 'dragging' state variables
isBeingSized = true;
dragStartPosition = e.Position;
return(true);
}
}
return(ret);
}
/// <summary>
/// return true if given SizingLocation is on top edge.
/// </summary>
/// <param name="loc">
/// SizingLocation value to be checked.
/// </param>
/// <returns>
/// true if \a loc is on the top edge. false if \a loc is not on the top edge.
/// </returns>
protected bool IsTopSizingLocation(SizingLocation loc)
{
return((loc == SizingLocation.SizingTop) ||
(loc == SizingLocation.SizingTopLeft) ||
(loc == SizingLocation.SizingTopRight));
}
/// <summary>
/// return true if given SizingLocation is on right edge.
/// </summary>
/// <param name="loc">
/// SizingLocation value to be checked.
/// </param>
/// <returns>
/// true if \a loc is on the right edge. false if \a loc is not on the right edge.
/// </returns>
protected bool IsRightSizingLocation(SizingLocation loc)
{
return((loc == SizingLocation.SizingRight) ||
(loc == SizingLocation.SizingTopRight) ||
(loc == SizingLocation.SizingBottomRight));
}
/// <summary>
/// return true if given SizingLocation is on left edge.
/// </summary>
/// <param name="loc">
/// SizingLocation value to be checked.
/// </param>
/// <returns>
/// true if \a loc is on the left edge. false if \a loc is not on the left edge.
/// </returns>
protected bool IsLeftSizingLocation(SizingLocation loc)
{
return((loc == SizingLocation.SizingLeft) ||
(loc == SizingLocation.SizingTopLeft) ||
(loc == SizingLocation.SizingBottomLeft));
}
/// <summary>
/// return true if given SizingLocation is on bottom edge.
/// </summary>
/// <param name="loc">
/// SizingLocation value to be checked.
/// </param>
/// <returns>
/// true if \a loc is on the bottom edge. false if \a loc is not on the bottom edge.
/// </returns>
protected bool IsBottomSizingLocation(SizingLocation loc)
{
return((loc == SizingLocation.SizingBottom) ||
(loc == SizingLocation.SizingBottomLeft) ||
(loc == SizingLocation.SizingBottomRight));
}
protected internal override void OnCaptureLost(GUIEventArgs e)
{
base.OnCaptureLost(e);
isBeingSized = false;
sizingLocation = SizingLocation.None;
}
