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fix #172 show not drag to add/cut while clamp

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heartacker
2024-03-21 15:19:30 +08:00
parent ac2c563cd2
commit c3ed31659b
1 changed files with 37 additions and 25 deletions
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12
src/Ursa/Controls/NumericUpDown/NumericUpDownBase.cs
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@@ -30,6 +30,12 @@ public abstract class NumericUpDown : TemplatedControl, IClearControl
private Point? _point; private Point? _point;
protected internal bool _updateFromTextInput; protected internal bool _updateFromTextInput;
protected internal bool _canIncrease = true;
protected internal bool _canDecrease = true;
public static readonly StyledProperty<bool> AllowDragProperty = AvaloniaProperty.Register<NumericUpDown, bool>( public static readonly StyledProperty<bool> AllowDragProperty = AvaloniaProperty.Register<NumericUpDown, bool>(
nameof(AllowDrag), defaultValue: false); nameof(AllowDrag), defaultValue: false);
@@ -256,10 +262,12 @@ public abstract class NumericUpDown : TemplatedControl, IClearControl
int d = GetDelta(delta.Value); int d = GetDelta(delta.Value);
if (d > 0) if (d > 0)
{ {
if (_canIncrease)
Increase(); Increase();
} }
else if (d < 0) else if (d < 0)
{ {
if (_canDecrease)
Decrease(); Decrease();
} }
_point = point; _point = point;
@@ -511,6 +519,8 @@ public abstract class NumericUpDownBase<T> : NumericUpDown where T : struct, ICo
protected override void SetValidSpinDirection() protected override void SetValidSpinDirection()
{ {
var validDirection = ValidSpinDirections.None; var validDirection = ValidSpinDirections.None;
_canIncrease = false;
_canDecrease = false;
if (!IsReadOnly) if (!IsReadOnly)
{ {
if (Value is null) if (Value is null)
@@ -520,11 +530,13 @@ public abstract class NumericUpDownBase<T> : NumericUpDown where T : struct, ICo
if (Value.HasValue && Value.Value.CompareTo(Maximum) < 0) if (Value.HasValue && Value.Value.CompareTo(Maximum) < 0)
{ {
validDirection |= ValidSpinDirections.Increase; validDirection |= ValidSpinDirections.Increase;
_canIncrease = true;
} }
if (Value.HasValue && Value.Value.CompareTo(Minimum) > 0) if (Value.HasValue && Value.Value.CompareTo(Minimum) > 0)
{ {
validDirection |= ValidSpinDirections.Decrease; validDirection |= ValidSpinDirections.Decrease;
_canDecrease = true;
} }
} }
if (_spinner != null) if (_spinner != null)