public override bool Show()
{
//! drop filter indexes because they are invalid on the second show if items have changed
_ii = null;
_toFilter = true;
// main loop
for (int pass = 0; ; ++pass)
{
// filter
MakeFilter();
// filtered item number
int nItem2 = _ii == null ? myItems.Count : _ii.Count;
if (nItem2 < 2 && AutoSelect)
{
if (nItem2 == 1)
{
Selected = _ii == null ? 0 : _ii[0];
return(true);
}
else if (pass == 0)
{
Selected = -1;
return(false);
}
}
// title, bottom
GetInfo(out string title, out string info);
// dialog
var dialog = Far.Api.CreateDialog(1, 1, 1, 1);
dialog.HelpTopic = string.IsNullOrEmpty(HelpTopic) ? "list-menu" : HelpTopic;
dialog.NoShadow = NoShadow;
dialog.TypeId = TypeId;
// title
dialog.AddBox(1, 1, 1, 1, title);
// list
_box = dialog.AddListBox(1, 1, 1, 1, string.Empty);
_box.Selected = Selected;
_box.SelectLast = SelectLast;
_box.NoBox = true;
_box.WrapCursor = WrapCursor;
if (IncrementalOptions == PatternOptions.None)
{
_box.AutoAssignHotkeys = AutoAssignHotkeys;
_box.NoAmpersands = !ShowAmpersands;
}
// "bottom"
if (info.Length > 0)
{
dialog.AddText(1, 1, 1, info);
}
// items and filter
_box.ReplaceItems(myItems, _ii);
// now we are ready to make sizes
MakeSizes(dialog, Far.Api.UI.WindowSize);
// handlers
dialog.ConsoleSizeChanged += OnConsoleSizeChanged;
_box.KeyPressed += OnKeyPressed;
// go!
_toFilter = _isKeyHandled = false;
myKeyIndex = -1;
bool ok = dialog.Show();
if (!ok)
{
return(false);
}
if (myKeyIndex == -2 || _toFilter)
{
continue;
}
// correct by filter
Selected = _box.Selected;
if (_ii != null && Selected >= 0)
{
Selected = _ii[Selected];
}
// call click if a key was not handled yet
if (Selected >= 0 && !_isKeyHandled)
{
var item = myItems[Selected];
if (item.Click != null)
{
var e = new MenuEventArgs(item);
item.Click(Sender ?? this, e);
if (e.Ignore || e.Restart)
{
continue;
}
}
}
//! empty + enter = -1
return(Selected >= 0);
}
}
