/// <summary>
/// Shows popup if there is one, and sets the number of clicks to close
/// to two.
/// </summary>
internal void Select()
{
if (!this.isPopUpShown && this.numMenuItems > 0 && this.isEnabled)
{
if (PopUpOpen != null)
{
PopUpOpen.Invoke(this);
}
this.isPopUpShown = true;
this.popUpMenu.Populate();
if (Parent.GetType() == typeof(MenuBar)) // MenuBar parent
{
this.popUpMenu.X = AbsolutePosition.X;
this.popUpMenu.Y = AbsolutePosition.Y + Height - 1;
}
else // PopUpMenu parent
{
this.popUpMenu.X = Parent.AbsolutePosition.X + Parent.Width - 1;
this.popUpMenu.Y = AbsolutePosition.Y;
}
GUIManager.SetFocus(this.popUpMenu);
GUIManager.Add(this.popUpMenu);
AddHighlight();
this.numClicks = 0;
}
else
{
this.popUpMenu.BringToTop();
}
}
/// <summary>
/// Either button is released.
/// </summary>
/// <param name="args">Mouse event arguments.</param>
protected void OnButtonUp(MouseEventArgs args)
{
if (args.Button == MouseButtons.Left)
{
this.isTopPressed = false;
this.isBottomPressed = false;
this.isTopOver = false;
this.isBottomOver = false;
// Get focus back
GUIManager.SetFocus(this);
}
}
/// <summary>
/// Finishes dragging the thumb.
/// </summary>
/// <param name="args">Mouse event arguments.</param>
protected void OnThumbUp(MouseEventArgs args)
{
if (args.Button == MouseButtons.Left)
{
this.draggingThumb = false;
// Check if hover state should be shown
if (this.thumb.CheckCoordinates(args.Position.X, args.Position.Y))
{
this.thumb.CurrentSkinState = SkinState.Hover;
}
else
{
this.thumb.CurrentSkinState = SkinState.Normal;
}
// Get focus back from thumb
GUIManager.SetFocus(this);
}
}
/// <summary>
/// Allows tabbing between child controls.
/// </summary>
/// <param name="args">Key event arguments.</param>
protected override void KeyUpIntercept(KeyEventArgs args)
{
base.KeyUpIntercept(args);
if (args.Key == Keys.Tab && IsChild(GUIManager.GetFocus()))
{
List <UIComponent> controls = this.viewPort.Controls;
bool backwards = args.Shift;
int index = 0;
foreach (UIComponent control in controls)
{
if (control.IsChild(GUIManager.GetFocus()))
{
UIComponent nextControl;
int nextIndex = index;
while (true)
{
// Loop round the list if necessary
if (backwards)
{
if (nextIndex > 0)
{
nextIndex--;
}
else
{
nextIndex = controls.Count - 1;
}
}
else
{
if ((nextIndex + 1) < controls.Count)
{
nextIndex++;
}
else
{
nextIndex = 0;
}
}
nextControl = controls[nextIndex];
// Set focus to next control
if (nextControl.CanHaveFocus && nextControl != this.backgroundMovableArea)
{
GUIManager.SetFocus(nextControl);
break;
}
else if (nextIndex == index) // Exit loop if coming back to the same control
{
break;
}
}
break;
}
index++;
}
}
}
