public override void KeyDown(NSEvent theEvent)
{
if (theEvent.Characters == " ")
{
var item = Cells [focusedCellIndex].Cell;
PopupMenuForCell(item);
return;
}
if (theEvent.Characters == "\t")
{
focusedCellIndex++;
if (focusedCellIndex > VisibleCellIds.Length)
{
if (NextKeyView != null)
{
Window.MakeFirstResponder(NextKeyView);
SetSelection();
focusedCellIndex = 0;
focusedItem = null;
return;
}
}
}
SetSelection();
base.KeyDown(theEvent);
}
public override void KeyDown(NSEvent theEvent)
{
if (theEvent.Characters == " ")
{
var item = Cells [focusedCellIndex].Cell;
PopupMenuForCell(item);
return;
}
if (theEvent.Characters == "\t")
{
focusedCellIndex++;
if (focusedCellIndex >= VisibleCellIds.Length)
{
if (NextKeyView != null)
{
SetSelection();
focusedCellIndex = 0;
focusedItem = null;
}
}
else
{
SetSelection();
return;
}
}
base.KeyDown(theEvent);
}
public override void KeyDown(NSEvent theEvent)
{
if (theEvent.KeyCode == (ushort)KeyCodes.Space)
{
var item = Cells [focusedCellIndex].Cell;
PopupMenuForCell(item);
return;
}
// 0x30 is Tab
if (theEvent.KeyCode == (ushort)KeyCodes.Tab)
{
if ((theEvent.ModifierFlags & NSEventModifierMask.ShiftKeyMask) == NSEventModifierMask.ShiftKeyMask)
{
if (focusedCellIndex <= 0)
{
if (PreviousKeyView != null)
{
SetSelection();
focusedCellIndex = 0;
focusedItem = null;
}
}
else
{
if (UpdatePreviousCellForResponderChain(focusedCellIndex - 1))
{
SetSelection();
return;
}
}
}
else
{
if (focusedCellIndex >= VisibleCellIds.Length - 1)
{
if (NextKeyView != null)
{
SetSelection();
focusedCellIndex = 0;
focusedItem = null;
}
}
else
{
if (UpdateNextCellForResponderChain(focusedCellIndex + 1))
{
SetSelection();
return;
}
}
}
}
base.KeyDown(theEvent);
}
public override bool ResignFirstResponder()
{
focusedCellIndex = 0;
if (focusedItem != null)
{
focusedItem.HasFocus = false;
focusedItem = null;
}
return(base.ResignFirstResponder());
}
public override void KeyDown(NSEvent theEvent)
{
if (theEvent.KeyCode == KeyCodes.Space)
{
var item = Cells [focusedCellIndex].Cell;
PopupMenuForCell(item);
return;
}
// 0x30 is Tab
if (theEvent.KeyCode == KeyCodes.Tab)
{
if ((theEvent.ModifierFlags & NSEventModifierMask.ShiftKeyMask) == NSEventModifierMask.ShiftKeyMask)
{
focusedCellIndex--;
if (focusedCellIndex < 0)
{
if (PreviousKeyView != null)
{
SetSelection();
focusedCellIndex = 0;
focusedItem = null;
}
}
else
{
SetSelection();
return;
}
}
else
{
focusedCellIndex++;
if (focusedCellIndex >= VisibleCellIds.Length)
{
if (NextKeyView != null)
{
SetSelection();
focusedCellIndex = 0;
focusedItem = null;
}
}
else
{
SetSelection();
return;
}
}
}
base.KeyDown(theEvent);
}
void SetSelection()
{
if (focusedItem != null)
{
focusedItem.HasFocus = false;
}
if (focusedCellIndex < Cells.Count())
{
var item = Cells [focusedCellIndex];
focusedItem = item;
item.HasFocus = true;
}
SetNeedsDisplay();
}
void SetSelection()
{
if (focusedItem != null)
{
focusedItem.HasFocus = false;
}
if (focusedCellIndex < Cells.Length)
{
var item = Cells [focusedCellIndex].Cell as NSPathComponentCellFocusable;
focusedItem = item;
if (item != null)
{
item.HasFocus = true;
}
}
SetNeedsDisplay();
}
void SetSelection()
{
//ensures our cells are in the correct enabled state
if (focusedCellIndex >= 0 && focusedCellIndex < Cells.Length)
{
focusedItem = Cells [focusedCellIndex].Cell as NSPathComponentCellFocusable;
if (focusedItem != null)
{
focusedItem.HasFocus = true;
}
}
//we want ensure our state is correct in other elements
for (int i = 0; i < Cells.Length; i++)
{
if (i != focusedCellIndex && Cells [i].Cell is NSPathComponentCellFocusable focusable)
{
focusable.HasFocus = false;
}
}
SetNeedsDisplay();
}
