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Accessibility improvements https://github.com/seerge/g-helper/issues/1830

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Serge
2024-01-01 20:05:44 +01:00
parent 0823e8efa2
commit 82f76b8d80
2 changed files with 46 additions and 0 deletions
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38
app/UI/Slider.cs
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@@ -36,6 +36,7 @@ namespace GHelper.UI
{
// This reduces flicker
DoubleBuffered = true;
TabStop = true;
}
@@ -89,6 +90,41 @@ namespace GHelper.UI
}
}
protected override bool IsInputKey(Keys keyData)
{
switch (keyData)
{
case Keys.Right:
case Keys.Left:
case Keys.Up:
case Keys.Down:
return true;
}
return base.IsInputKey(keyData);
}
protected override void OnKeyDown(KeyEventArgs e)
{
switch (e.KeyCode)
{
case Keys.Right:
case Keys.Up:
Value = Math.Min(Max, Value + Step);
break;
case Keys.Left:
case Keys.Down:
Value = Math.Max(Min, Value - Step);
break;
}
AccessibilityNotifyClients(AccessibleEvents.Focus, 0);
base.OnKeyDown(e);
}
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
@@ -131,6 +167,8 @@ namespace GHelper.UI
{
base.OnMouseDown(e);
Focus();
// Difference between tumb and mouse position.
_delta = new SizeF(e.Location.X - _thumbPos.X, e.Location.Y - _thumbPos.Y);
if (_delta.Width * _delta.Width + _delta.Height * _delta.Height <= _radius * _radius)