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ListView cleanup 2

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2024-11-18 15:52:01 -07:00
parent 30adbd67de
commit 3e48ce2147
1 changed files with 7 additions and 17 deletions
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24
Terminal.Gui/Views/ListView.cs
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@@ -165,13 +165,13 @@ public class ListView : View, IDesignable
// Use the form of Add that lets us pass context to the handler
KeyBindings.Add (Key.A.WithCtrl, new KeyBinding ([Command.SelectAll], KeyBindingScope.Focused, true));
KeyBindings.Add (Key.U.WithCtrl, new KeyBinding ([Command.SelectAll], KeyBindingScope.Focused, false));
SubviewsLaidOut += ListView_LayoutComplete;
}
private void ListView_LayoutComplete (object sender, LayoutEventArgs e)
/// <inheritdoc />
protected override void OnFrameChanged (in Rectangle frame)
{
SetContentSize (new Size (MaxLength, _source?.Count ?? Viewport.Height));
EnsureSelectedItemVisible ();
}
/// <summary>Gets or sets whether this <see cref="ListView"/> allows items to be marked.</summary>
@@ -394,23 +394,13 @@ public class ListView : View, IDesignable
/// <summary>Ensures the selected item is always visible on the screen.</summary>
public void EnsureSelectedItemVisible ()
{
// TODO: This check is not needed.
if (SuperView?.IsInitialized == true)
if (_selected < Viewport.Y)
{
if (_selected <= Viewport.Y)
{
Viewport = Viewport with { Y = _selected };
}
else if (Viewport.Height > 0 && _selected >= Viewport.Y + Viewport.Height)
{
Viewport = Viewport with { Y = _selected - Viewport.Height + 1 };
}
SubviewLayout -= ListView_LayoutStarted;
Viewport = Viewport with { Y = _selected };
}
else
else if (Viewport.Height > 0 && _selected >= Viewport.Y + Viewport.Height)
{
SubviewLayout += ListView_LayoutStarted;
Viewport = Viewport with { Y = _selected - Viewport.Height + 1 };
}
}