public override bool OnKeyDown(KeyboardKeyEventArgs e)
{
if (base.OnKeyDown(e))
{
return(true);
}
if (!(Visible && Enabled && Selected))
{
return(false);
}
switch (e.Key)
{
case Key.Escape:
OnClose();
return(true);
case Key.Up:
MovePrev();
return(true);
case Key.Down:
MoveNext();
return(true);
case Key.PageDown:
case Key.End:
MoveLast();
return(true);
case Key.PageUp:
case Key.Home:
MoveFirst();
return(true);
case Key.Left:
if (Parent as SubMenuOverlay != null)
{
Parent.Select();
(Parent as SubMenuOverlay).CloseSubMenu();
return(true);
}
if (Parent as MenuBar != null)
{
Parent.Select();
(Parent as MenuBar).MovePrev();
return(true);
}
break;
case Key.Right:
if (m_ActiveItem != null && !m_ActiveItem.Children.IsNullOrEmpty())
{
ShowSubMenu(m_ActiveItem);
if (SubMenu != null)
{
SubMenu.Select();
SubMenu.MoveFirst();
Invalidate();
}
return(true);
}
if (Parent as MenuBar != null)
{
Parent.Select();
(Parent as MenuBar).MoveNext();
return(true);
}
break;
case Key.Space:
if (m_ActiveItem != null)
{
if (m_ActiveItem.OnClick())
{
Invalidate();
}
return(true);
}
break;
case Key.Enter:
if (m_ActiveItem != null && !m_ActiveItem.Children.IsNullOrEmpty())
{
ShowSubMenu(m_ActiveItem);
if (SubMenu != null)
{
SubMenu.Select();
SubMenu.MoveFirst();
Invalidate();
}
return(true);
}
if (m_ActiveItem != null)
{
if (m_ActiveItem.OnClick())
{
OnClose();
return(true);
}
}
break;
default:
if (Menu != null && e.Key != Key.AltLeft)
{
char keyChar = e.Key.ToString() [0];
//this.LogVerbose ("{0}, {1}", e.Key.ToString(), ModifierKeys.AltPressed.ToString());
for (int i = 0; i < Menu.Count; i++)
{
IGuiMenuItem mi = Menu [i];
if (mi == null || !(mi.Visible && mi.Enabled))
{
continue;
}
if (mi.ProcessInputKey(e)) // iterates recursive through all children
{
return(true);
}
if (ModifierKeys.AltPressed && keyChar == mi.Mnemonic)
{
if (mi.OnClick())
{
OnClose();
return(true);
}
else if (!mi.Children.IsNullOrEmpty())
{
if (mi != ActiveItem)
{
CloseSubMenu();
ActiveItem = mi;
Invalidate();
this.Select();
}
//return true;
}
}
}
}
break;
}
if (SubMenu != null && SubMenu.OnKeyDown(e))
{
return(true);
}
return(false);
}
public override bool OnKeyDown(OpenTK.Input.KeyboardKeyEventArgs e)
{
/***
* if (base.OnKeyDown (e))
* return true;
***/
switch (e.Key)
{
case Key.Home:
if (Selected)
{
MoveFirst();
return(true);
}
break;
case Key.End:
if (Selected)
{
MoveLast();
return(true);
}
break;
case Key.Left:
if (Selected)
{
MovePrev();
return(true);
}
break;
case Key.Right:
if (Selected)
{
MoveNext();
return(true);
}
break;
case Key.Down:
case Key.PageDown:
case Key.PageUp:
case Key.Enter:
//if (Selected && Expanded && SubMenu != null) {
if (Selected && SubMenu != null)
{
SubMenu.Select();
Expanded = true;
if (e.Key == Key.PageDown)
{
SubMenu.MoveLast();
}
else
{
SubMenu.MoveFirst();
}
return(true);
}
break;
case Key.F10:
if (Selected)
{
return(false);
}
if (ActiveItem == null && !Menu.IsNullOrEmpty())
{
if (m_LastActiveItemIndex >= 0 && m_LastActiveItemIndex < Menu.Count)
{
ActiveItem = Menu [m_LastActiveItemIndex];
}
else
{
ActiveItem = Menu.FirstOrDefault();
m_LastActiveItemIndex = 0;
}
}
this.Select();
MoveNext();
MovePrev();
this.Update();
return(true);
case Key.Escape:
CloseSubMenu();
FocusPreviouseWidget();
return(true);
default:
if (Menu != null)
{
char keyChar = e.Key.ToString() [0];
for (int i = 0; i < Menu.Count; i++)
{
IGuiMenuItem mi = Menu [i];
if (mi == null || !(mi.Visible && mi.Enabled))
{
continue;
}
if (mi.ProcessInputKey(e)) // iterates recursive through all children
{
return(true);
}
// Alt-Key / Mnemonics for this Selected menu only
if (ModifierKeys.AltPressed && keyChar == mi.Mnemonic)
{
if (mi != ActiveItem)
{
CloseSubMenu();
ActiveItem = mi;
m_LastActiveItemIndex = Menu.IndexOf(mi);
Invalidate();
this.Select();
}
//return true;
}
}
}
break;
}
if (SubMenu != null && SubMenu.OnKeyDown(e))
{
return(true);
}
return(false);
}