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fix: PlaceholderText may not display promptly under certain circumstances #1115

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Merged
merged 1 commit into from
Jun 8, 2024
Merged

fix: PlaceholderText may not display promptly under certain circumstances #1115

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22 changes: 19 additions & 3 deletions src/Wpf.Ui/Controls/TextBox/TextBox.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -45,15 +45,16 @@ public class TextBox : System.Windows.Controls.TextBox
nameof(PlaceholderEnabled),
typeof(bool),
typeof(TextBox),
new PropertyMetadata(true)
new PropertyMetadata(true, OnPlaceholderEnabledChanged)
);

/// <summary>Identifies the <see cref="CurrentPlaceholderEnabled"/> dependency property.</summary>
public static readonly DependencyProperty CurrentPlaceholderEnabledProperty = DependencyProperty.Register(
nameof(CurrentPlaceholderEnabled),
typeof(bool),
typeof(TextBox),
new PropertyMetadata(true));
new PropertyMetadata(true)
);

/// <summary>Identifies the <see cref="ClearButtonEnabled"/> dependency property.</summary>
public static readonly DependencyProperty ClearButtonEnabledProperty = DependencyProperty.Register(
Expand Down Expand Up @@ -197,7 +198,7 @@ protected void SetPlaceholderTextVisibility()
SetCurrentValue(CurrentPlaceholderEnabledProperty, true);
}
}
else
else if (CurrentPlaceholderEnabled)
{
SetCurrentValue(CurrentPlaceholderEnabledProperty, false);
}
Expand Down Expand Up @@ -263,4 +264,19 @@ protected virtual void OnTemplateButtonClick(string? parameter)

OnClearButtonClick();
}

private static void OnPlaceholderEnabledChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
if (d is not TextBox control)
{
return;
}

control.OnPlaceholderEnabledChanged();
}

protected virtual void OnPlaceholderEnabledChanged()
{
SetPlaceholderTextVisibility();
}
}
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