Implemented Title FontAttributes

Tamilarasan-Paranthaman · Tamilarasan-Paranthaman · commit f99f22778dac · 2025-09-24T19:04:39.000+05:30
diff --git a/src/Controls/src/Core/PublicAPI/net-android/PublicAPI.Unshipped.txt b/src/Controls/src/Core/PublicAPI/net-android/PublicAPI.Unshipped.txt
@@ -30,6 +30,9 @@ Microsoft.Maui.Controls.ContentPage.SafeAreaEdges.get -> Microsoft.Maui.SafeArea
 Microsoft.Maui.Controls.ContentPage.SafeAreaEdges.set -> void
 Microsoft.Maui.Controls.ContentPresenter.CascadeInputTransparent.get -> bool
 Microsoft.Maui.Controls.ContentPresenter.CascadeInputTransparent.set -> void
+Microsoft.Maui.Controls.TitleBar.TitleFontAttributes.get -> Microsoft.Maui.Controls.FontAttributes
+Microsoft.Maui.Controls.TitleBar.TitleFontAttributes.set -> void
+static readonly Microsoft.Maui.Controls.TitleBar.TitleFontAttributesProperty -> Microsoft.Maui.Controls.BindableProperty!
 ~Microsoft.Maui.Controls.ContentPresenter.Children.get -> System.Collections.Generic.IReadOnlyList<Microsoft.Maui.Controls.Element>
 ~Microsoft.Maui.Controls.ContentPresenter.LowerChild(Microsoft.Maui.Controls.View view) -> void
 Microsoft.Maui.Controls.ContentPresenter.Padding.get -> Microsoft.Maui.Thickness
diff --git a/src/Controls/src/Core/PublicAPI/net-ios/PublicAPI.Unshipped.txt b/src/Controls/src/Core/PublicAPI/net-ios/PublicAPI.Unshipped.txt
@@ -37,6 +37,9 @@ Microsoft.Maui.Controls.ContentPresenter.CascadeInputTransparent.set -> void
 ~Microsoft.Maui.Controls.ContentPresenter.LowerChild(Microsoft.Maui.Controls.View view) -> void
 Microsoft.Maui.Controls.ContentPresenter.Padding.get -> Microsoft.Maui.Thickness
 Microsoft.Maui.Controls.ContentPresenter.Padding.set -> void
+Microsoft.Maui.Controls.TitleBar.TitleFontAttributes.get -> Microsoft.Maui.Controls.FontAttributes
+Microsoft.Maui.Controls.TitleBar.TitleFontAttributes.set -> void
+static readonly Microsoft.Maui.Controls.TitleBar.TitleFontAttributesProperty -> Microsoft.Maui.Controls.BindableProperty!
 ~Microsoft.Maui.Controls.ContentPresenter.RaiseChild(Microsoft.Maui.Controls.View view) -> void
 Microsoft.Maui.Controls.ContentPresenter.UpdateChildrenLayout() -> void
 Microsoft.Maui.Controls.ContentView.SafeAreaEdges.get -> Microsoft.Maui.SafeAreaEdges
diff --git a/src/Controls/src/Core/PublicAPI/net-maccatalyst/PublicAPI.Unshipped.txt b/src/Controls/src/Core/PublicAPI/net-maccatalyst/PublicAPI.Unshipped.txt
@@ -33,6 +33,9 @@ Microsoft.Maui.Controls.ContentPage.SafeAreaEdges.get -> Microsoft.Maui.SafeArea
 Microsoft.Maui.Controls.ContentPage.SafeAreaEdges.set -> void
 Microsoft.Maui.Controls.ContentPresenter.CascadeInputTransparent.get -> bool
 Microsoft.Maui.Controls.ContentPresenter.CascadeInputTransparent.set -> void
+Microsoft.Maui.Controls.TitleBar.TitleFontAttributes.get -> Microsoft.Maui.Controls.FontAttributes
+Microsoft.Maui.Controls.TitleBar.TitleFontAttributes.set -> void
+static readonly Microsoft.Maui.Controls.TitleBar.TitleFontAttributesProperty -> Microsoft.Maui.Controls.BindableProperty!
 ~Microsoft.Maui.Controls.ContentPresenter.Children.get -> System.Collections.Generic.IReadOnlyList<Microsoft.Maui.Controls.Element>
 ~Microsoft.Maui.Controls.ContentPresenter.LowerChild(Microsoft.Maui.Controls.View view) -> void
 Microsoft.Maui.Controls.ContentPresenter.Padding.get -> Microsoft.Maui.Thickness
diff --git a/src/Controls/src/Core/PublicAPI/net-tizen/PublicAPI.Unshipped.txt b/src/Controls/src/Core/PublicAPI/net-tizen/PublicAPI.Unshipped.txt
@@ -34,6 +34,9 @@ Microsoft.Maui.Controls.ILineHeightElement.OnLineHeightChanged(double oldValue,
 *REMOVED*Microsoft.Maui.Controls.IMessagingCenter
 Microsoft.Maui.Controls.SearchHandler.HideSoftInputAsync() -> void
 Microsoft.Maui.Controls.SearchHandler.ShowSoftInputAsync() -> void
+Microsoft.Maui.Controls.TitleBar.TitleFontAttributes.get -> Microsoft.Maui.Controls.FontAttributes
+Microsoft.Maui.Controls.TitleBar.TitleFontAttributes.set -> void
+static readonly Microsoft.Maui.Controls.TitleBar.TitleFontAttributesProperty -> Microsoft.Maui.Controls.BindableProperty!
 *REMOVED*~Microsoft.Maui.Controls.IMessagingCenter.Send<TSender, TArgs>(TSender sender, string message, TArgs args) -> void
 *REMOVED*~Microsoft.Maui.Controls.IMessagingCenter.Send<TSender>(TSender sender, string message) -> void
 *REMOVED*~Microsoft.Maui.Controls.IMessagingCenter.Subscribe<TSender, TArgs>(object subscriber, string message, System.Action<TSender, TArgs> callback, TSender source = null) -> void
diff --git a/src/Controls/src/Core/PublicAPI/net-windows/PublicAPI.Unshipped.txt b/src/Controls/src/Core/PublicAPI/net-windows/PublicAPI.Unshipped.txt
@@ -30,6 +30,9 @@ Microsoft.Maui.Controls.ContentPage.SafeAreaEdges.get -> Microsoft.Maui.SafeArea
 Microsoft.Maui.Controls.ContentPage.SafeAreaEdges.set -> void
 Microsoft.Maui.Controls.ContentPresenter.CascadeInputTransparent.get -> bool
 Microsoft.Maui.Controls.ContentPresenter.CascadeInputTransparent.set -> void
+Microsoft.Maui.Controls.TitleBar.TitleFontAttributes.get -> Microsoft.Maui.Controls.FontAttributes
+Microsoft.Maui.Controls.TitleBar.TitleFontAttributes.set -> void
+static readonly Microsoft.Maui.Controls.TitleBar.TitleFontAttributesProperty -> Microsoft.Maui.Controls.BindableProperty!
 ~Microsoft.Maui.Controls.ContentPresenter.Children.get -> System.Collections.Generic.IReadOnlyList<Microsoft.Maui.Controls.Element>
 ~Microsoft.Maui.Controls.ContentPresenter.LowerChild(Microsoft.Maui.Controls.View view) -> void
 Microsoft.Maui.Controls.ContentPresenter.Padding.get -> Microsoft.Maui.Thickness
diff --git a/src/Controls/src/Core/PublicAPI/net/PublicAPI.Unshipped.txt b/src/Controls/src/Core/PublicAPI/net/PublicAPI.Unshipped.txt
@@ -30,6 +30,9 @@ Microsoft.Maui.Controls.ContentPage.SafeAreaEdges.get -> Microsoft.Maui.SafeArea
 Microsoft.Maui.Controls.ContentPage.SafeAreaEdges.set -> void
 Microsoft.Maui.Controls.ContentPresenter.CascadeInputTransparent.get -> bool
 Microsoft.Maui.Controls.ContentPresenter.CascadeInputTransparent.set -> void
+Microsoft.Maui.Controls.TitleBar.TitleFontAttributes.get -> Microsoft.Maui.Controls.FontAttributes
+Microsoft.Maui.Controls.TitleBar.TitleFontAttributes.set -> void
+static readonly Microsoft.Maui.Controls.TitleBar.TitleFontAttributesProperty -> Microsoft.Maui.Controls.BindableProperty!
 ~Microsoft.Maui.Controls.ContentPresenter.Children.get -> System.Collections.Generic.IReadOnlyList<Microsoft.Maui.Controls.Element>
 ~Microsoft.Maui.Controls.ContentPresenter.LowerChild(Microsoft.Maui.Controls.View view) -> void
 Microsoft.Maui.Controls.ContentPresenter.Padding.get -> Microsoft.Maui.Thickness
diff --git a/src/Controls/src/Core/PublicAPI/netstandard/PublicAPI.Unshipped.txt b/src/Controls/src/Core/PublicAPI/netstandard/PublicAPI.Unshipped.txt
@@ -30,6 +30,9 @@ Microsoft.Maui.Controls.ContentPage.SafeAreaEdges.get -> Microsoft.Maui.SafeArea
 Microsoft.Maui.Controls.ContentPage.SafeAreaEdges.set -> void
 Microsoft.Maui.Controls.ContentPresenter.CascadeInputTransparent.get -> bool
 Microsoft.Maui.Controls.ContentPresenter.CascadeInputTransparent.set -> void
+Microsoft.Maui.Controls.TitleBar.TitleFontAttributes.get -> Microsoft.Maui.Controls.FontAttributes
+Microsoft.Maui.Controls.TitleBar.TitleFontAttributes.set -> void
+static readonly Microsoft.Maui.Controls.TitleBar.TitleFontAttributesProperty -> Microsoft.Maui.Controls.BindableProperty!
 override Microsoft.Maui.Controls.CheckBox.IsEnabledCore.get -> bool
 ~Microsoft.Maui.Controls.CheckBox.Command.get -> System.Windows.Input.ICommand
 ~Microsoft.Maui.Controls.CheckBox.Command.set -> void
diff --git a/src/Controls/src/Core/TitleBar/TitleBar.cs b/src/Controls/src/Core/TitleBar/TitleBar.cs
@@ -71,84 +71,89 @@ public partial class TitleBar : TemplatedView, ITitleBar, ISafeAreaView
 		public static readonly BindableProperty ForegroundColorProperty = BindableProperty.Create(nameof(ForegroundColor),
 			typeof(Color), typeof(TitleBar));
 
+		/// <summary>Bindable property for <see cref="TitleFontAttributes"/>.</summary>
+		public static readonly BindableProperty TitleFontAttributesProperty =
+			BindableProperty.Create(nameof(TitleFontAttributes), typeof(FontAttributes),
+				typeof(TitleBar), FontAttributes.Bold);
+
 		static void OnLeadingChanged(BindableObject bindable, object oldValue, object newValue)
 		{
-			var titlebar = (TitleBar)bindable;
+			var titleBar = (TitleBar)bindable;
 			if (newValue is null)
 			{
-				titlebar.ApplyVisibleState(LeadingHiddenState);
+				titleBar.ApplyVisibleState(LeadingHiddenState);
 			}
 			else
 			{
-				titlebar.ApplyVisibleState(LeadingVisibleState);
+				titleBar.ApplyVisibleState(LeadingVisibleState);
 				(newValue as Layout)?.IgnoreLayoutSafeArea();
 			}
 		}
 
 		static void OnIconChanged(BindableObject bindable, object oldValue, object newValue)
 		{
-			var titlebar = (TitleBar)bindable;
+			var titleBar = (TitleBar)bindable;
 			var imageSource = newValue as ImageSource;
 			if (imageSource is null || imageSource.IsEmpty)
 			{
-				titlebar.ApplyVisibleState(IconHiddenState);
+				titleBar.ApplyVisibleState(IconHiddenState);
 			}
 			else
 			{
-				titlebar.ApplyVisibleState(IconVisibleState);
+				titleBar.ApplyVisibleState(IconVisibleState);
 			}
 		}
 
 		static void OnTitleChanged(BindableObject bindable, object oldValue, object newValue)
 		{
-			var titlebar = (TitleBar)bindable;
+			var titleBar = (TitleBar)bindable;
 			if (newValue is null)
 			{
-				titlebar.ApplyVisibleState(TitleHiddenState);
+				titleBar.ApplyVisibleState(TitleHiddenState);
 			}
 			else
 			{
-				titlebar.ApplyVisibleState(TitleVisibleState);
+				titleBar.ApplyVisibleState(TitleVisibleState);
 			}
 		}
 
 		static void OnSubtitleChanged(BindableObject bindable, object oldValue, object newValue)
 		{
-			var titlebar = (TitleBar)bindable;
+			var titleBar = (TitleBar)bindable;
 			if (newValue is null)
 			{
-				titlebar.ApplyVisibleState(SubtitleHiddenState);
+				titleBar.ApplyVisibleState(SubtitleHiddenState);
 			}
 			else
 			{
-				titlebar.ApplyVisibleState(SubtitleVisibleState);
+				titleBar.ApplyVisibleState(SubtitleVisibleState);
 			}
 		}
 
 		static void OnContentChanged(BindableObject bindable, object oldValue, object newValue)
 		{
-			var titlebar = (TitleBar)bindable;
+			var titleBar = (TitleBar)bindable;
 			if (newValue is null)
 			{
-				titlebar.ApplyVisibleState(ContentHiddenState);
+				titleBar.ApplyVisibleState(ContentHiddenState);
 			}
 			else
 			{
-				titlebar.ApplyVisibleState(ContentVisibleState);
+				titleBar.ApplyVisibleState(ContentVisibleState);
 				(newValue as Layout)?.IgnoreLayoutSafeArea();
 			}
 		}
 
 		static void OnTrailingContentChanged(BindableObject bindable, object oldValue, object newValue)
 		{
-			var titlebar = (TitleBar)bindable;
+			var titleBar = (TitleBar)bindable;
 			if (newValue is null)
 			{
-				titlebar.ApplyVisibleState(TrailingHiddenState);
+				titleBar.ApplyVisibleState(TrailingHiddenState);
 			}
 			else
 			{
-				titlebar.ApplyVisibleState(TrailingVisibleState);
+				titleBar.ApplyVisibleState(TrailingVisibleState);
 				(newValue as Layout)?.IgnoreLayoutSafeArea();
 			}
 		}
@@ -236,6 +241,16 @@ public Color ForegroundColor
 			set { SetValue(ForegroundColorProperty, value); }
 		}
 
+		/// <summary>
+		/// Gets or sets the <see cref="FontAttributes"/> applied to the title text.  
+		/// Defaults to <see cref="FontAttributes.Bold"/>.
+		/// </summary>
+		public FontAttributes TitleFontAttributes
+		{
+			get => (FontAttributes)GetValue(TitleFontAttributesProperty);
+			set => SetValue(TitleFontAttributesProperty, value);
+		}
+
 		/// <inheritdoc/>
 		public IList<IView> PassthroughElements { get; private set; }
 
@@ -451,6 +466,11 @@ static View BuildDefaultTemplate()
 				static (TitleBar tb) => tb.ForegroundColor,
 				source: RelativeBindingSource.TemplatedParent);
 
+			titleLabel.SetBinding(
+				Label.FontAttributesProperty,
+				static (TitleBar tb) => tb.TitleFontAttributes,
+				source: RelativeBindingSource.TemplatedParent);
+
 			var activeVisualState = new VisualState() { Name = TitleBarActiveState };
 			activeVisualState.Setters.Add(
 				new Setter()

Original file line number	Diff line number	Diff line change
`@@ -71,84 +71,89 @@ public partial class TitleBar : TemplatedView, ITitleBar, ISafeAreaView`
`71`	`71`	`public static readonly BindableProperty ForegroundColorProperty = BindableProperty.Create(nameof(ForegroundColor),`
`72`	`72`	`typeof(Color), typeof(TitleBar));`
`73`	`73`
	`74`	`+ /// <summary>Bindable property for <see cref="TitleFontAttributes"/>.</summary>`
	`75`	`+ public static readonly BindableProperty TitleFontAttributesProperty =`
	`76`	`+ BindableProperty.Create(nameof(TitleFontAttributes), typeof(FontAttributes),`
	`77`	`+ typeof(TitleBar), FontAttributes.Bold);`
	`78`	`+`
`74`	`79`	`static void OnLeadingChanged(BindableObject bindable, object oldValue, object newValue)`
`75`	`80`	`{`
`76`		`- var titlebar = (TitleBar)bindable;`
	`81`	`+ var titleBar = (TitleBar)bindable;`
`77`	`82`	`if (newValue is null)`
`78`	`83`	`{`
`79`		`- titlebar.ApplyVisibleState(LeadingHiddenState);`
	`84`	`+ titleBar.ApplyVisibleState(LeadingHiddenState);`
`80`	`85`	`}`
`81`	`86`	`else`
`82`	`87`	`{`
`83`		`- titlebar.ApplyVisibleState(LeadingVisibleState);`
	`88`	`+ titleBar.ApplyVisibleState(LeadingVisibleState);`
`84`	`89`	`(newValue as Layout)?.IgnoreLayoutSafeArea();`
`85`	`90`	`}`
`86`	`91`	`}`
`87`	`92`
`88`	`93`	`static void OnIconChanged(BindableObject bindable, object oldValue, object newValue)`
`89`	`94`	`{`
`90`		`- var titlebar = (TitleBar)bindable;`
	`95`	`+ var titleBar = (TitleBar)bindable;`
`91`	`96`	`var imageSource = newValue as ImageSource;`
`92`	`97`	`if (imageSource is null \|\| imageSource.IsEmpty)`
`93`	`98`	`{`
`94`		`- titlebar.ApplyVisibleState(IconHiddenState);`
	`99`	`+ titleBar.ApplyVisibleState(IconHiddenState);`
`95`	`100`	`}`
`96`	`101`	`else`
`97`	`102`	`{`
`98`		`- titlebar.ApplyVisibleState(IconVisibleState);`
	`103`	`+ titleBar.ApplyVisibleState(IconVisibleState);`
`99`	`104`	`}`
`100`	`105`	`}`
`101`	`106`
`102`	`107`	`static void OnTitleChanged(BindableObject bindable, object oldValue, object newValue)`
`103`	`108`	`{`
`104`		`- var titlebar = (TitleBar)bindable;`
	`109`	`+ var titleBar = (TitleBar)bindable;`
`105`	`110`	`if (newValue is null)`
`106`	`111`	`{`
`107`		`- titlebar.ApplyVisibleState(TitleHiddenState);`
	`112`	`+ titleBar.ApplyVisibleState(TitleHiddenState);`
`108`	`113`	`}`
`109`	`114`	`else`
`110`	`115`	`{`
`111`		`- titlebar.ApplyVisibleState(TitleVisibleState);`
	`116`	`+ titleBar.ApplyVisibleState(TitleVisibleState);`
`112`	`117`	`}`
`113`	`118`	`}`
`114`	`119`
`115`	`120`	`static void OnSubtitleChanged(BindableObject bindable, object oldValue, object newValue)`
`116`	`121`	`{`
`117`		`- var titlebar = (TitleBar)bindable;`
	`122`	`+ var titleBar = (TitleBar)bindable;`
`118`	`123`	`if (newValue is null)`
`119`	`124`	`{`
`120`		`- titlebar.ApplyVisibleState(SubtitleHiddenState);`
	`125`	`+ titleBar.ApplyVisibleState(SubtitleHiddenState);`
`121`	`126`	`}`
`122`	`127`	`else`
`123`	`128`	`{`
`124`		`- titlebar.ApplyVisibleState(SubtitleVisibleState);`
	`129`	`+ titleBar.ApplyVisibleState(SubtitleVisibleState);`
`125`	`130`	`}`
`126`	`131`	`}`
`127`	`132`
`128`	`133`	`static void OnContentChanged(BindableObject bindable, object oldValue, object newValue)`
`129`	`134`	`{`
`130`		`- var titlebar = (TitleBar)bindable;`
	`135`	`+ var titleBar = (TitleBar)bindable;`
`131`	`136`	`if (newValue is null)`
`132`	`137`	`{`
`133`		`- titlebar.ApplyVisibleState(ContentHiddenState);`
	`138`	`+ titleBar.ApplyVisibleState(ContentHiddenState);`
`134`	`139`	`}`
`135`	`140`	`else`
`136`	`141`	`{`
`137`		`- titlebar.ApplyVisibleState(ContentVisibleState);`
	`142`	`+ titleBar.ApplyVisibleState(ContentVisibleState);`
`138`	`143`	`(newValue as Layout)?.IgnoreLayoutSafeArea();`
`139`	`144`	`}`
`140`	`145`	`}`
`141`	`146`
`142`	`147`	`static void OnTrailingContentChanged(BindableObject bindable, object oldValue, object newValue)`
`143`	`148`	`{`
`144`		`- var titlebar = (TitleBar)bindable;`
	`149`	`+ var titleBar = (TitleBar)bindable;`
`145`	`150`	`if (newValue is null)`
`146`	`151`	`{`
`147`		`- titlebar.ApplyVisibleState(TrailingHiddenState);`
	`152`	`+ titleBar.ApplyVisibleState(TrailingHiddenState);`
`148`	`153`	`}`
`149`	`154`	`else`
`150`	`155`	`{`
`151`		`- titlebar.ApplyVisibleState(TrailingVisibleState);`
	`156`	`+ titleBar.ApplyVisibleState(TrailingVisibleState);`
`152`	`157`	`(newValue as Layout)?.IgnoreLayoutSafeArea();`
`153`	`158`	`}`
`154`	`159`	`}`
`@@ -236,6 +241,16 @@ public Color ForegroundColor`
`236`	`241`	`set { SetValue(ForegroundColorProperty, value); }`
`237`	`242`	`}`
`238`	`243`
	`244`	`+ /// <summary>`
	`245`	`+ /// Gets or sets the <see cref="FontAttributes"/> applied to the title text.`
	`246`	`+ /// Defaults to <see cref="FontAttributes.Bold"/>.`
	`247`	`+ /// </summary>`
	`248`	`+ public FontAttributes TitleFontAttributes`
	`249`	`+ {`
	`250`	`+ get => (FontAttributes)GetValue(TitleFontAttributesProperty);`
	`251`	`+ set => SetValue(TitleFontAttributesProperty, value);`
	`252`	`+ }`
	`253`	`+`
`239`	`254`	`/// <inheritdoc/>`
`240`	`255`	`public IList<IView> PassthroughElements { get; private set; }`
`241`	`256`
`@@ -451,6 +466,11 @@ static View BuildDefaultTemplate()`
`451`	`466`	`static (TitleBar tb) => tb.ForegroundColor,`
`452`	`467`	`source: RelativeBindingSource.TemplatedParent);`
`453`	`468`
	`469`	`+ titleLabel.SetBinding(`
	`470`	`+ Label.FontAttributesProperty,`
	`471`	`+ static (TitleBar tb) => tb.TitleFontAttributes,`
	`472`	`+ source: RelativeBindingSource.TemplatedParent);`
	`473`	`+`
`454`	`474`	`var activeVisualState = new VisualState() { Name = TitleBarActiveState };`
`455`	`475`	`activeVisualState.Setters.Add(`
`456`	`476`	`new Setter()`