chore: add avalonia basic TextBox demo.

README-cn.md

@@ -1,6 +1,3 @@
-### 找工作
-我有一个朋友，9 年工作经验，github 主页：https://github.com/DingpingZhang 目前在找上海的工作。他熟悉设计模式并具有大型客户端架构经验，技术栈涉及：python、wpf、pg、react，有意向可联系邮箱：dingpingzhang@outlook.com
-
 ## 友情链接
 
 [SimpleFactoryGenerator](https://github.com/DingpingZhang/SimpleFactoryGenerator) - A simple factory source generator that enables the pattern to not violate the open-close principle.

README.md

@@ -1,6 +1,3 @@
-### 找工作
-我有一个朋友，9 年工作经验，github 主页：https://github.com/DingpingZhang 目前在找上海的工作。他熟悉设计模式并具有大型客户端架构经验，技术栈涉及：python、wpf、pg、react，有意向可联系邮箱：dingpingzhang@outlook.com
-
 ## Blogroll
 
 [SimpleFactoryGenerator](https://github.com/DingpingZhang/SimpleFactoryGenerator) - A simple factory source generator that enables the pattern to not violate the open-close principle.

src/Avalonia/Directory.Build.props

@@ -1,6 +1,6 @@
 <Project>
   <PropertyGroup>
     <Nullable>enable</Nullable>
-    <AvaloniaVersion>11.1.1</AvaloniaVersion>
+    <AvaloniaVersion>11.3.2</AvaloniaVersion>
   </PropertyGroup>
 </Project>

src/Avalonia/HandyControlDemo_Avalonia/Data/DemoInfo.json

@@ -13,7 +13,7 @@
       [ "ScrollViewer", "NativeScrollViewerDemo", "Brush.ScrollBox", "", "" ],
       [ "Slider", "SliderDemo", "Brush.Slider", "", "" ],
       [ "TextBlock", "TextBlockDemo", "Brush.TextBlock", "", "" ],
-      [ "TextBox", "NativeTextBoxDemo", "Brush.TextBox", "", "" ],
+      [ "TextBox", "TextBoxDemo", "Brush.TextBox", "", "" ],
       [ "ComboBox", "NativeComboBoxDemo", "Brush.ComboBox", "", "" ],
       [ "PasswordBox", "NativePasswordBoxDemo", "Brush.PasswordBox", "", "" ],
       [ "Expander", "ExpanderDemo", "Brush.Expander", "", "" ],

src/Avalonia/HandyControlDemo_Avalonia/HandyControlDemo_Avalonia.csproj

@@ -11,6 +11,12 @@
     <AssemblyName>HandyControlDemo</AssemblyName>
     <RootNamespace>HandyControlDemo</RootNamespace>
   </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
+    <NoWarn>1701;1702;NETSDK1138</NoWarn>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
+    <NoWarn>1701;1702;NETSDK1138</NoWarn>
+  </PropertyGroup>
   
   <ItemGroup>
     <None Remove="Data\DemoInfo.json" />

src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/TextBoxDemo.axaml

@@ -0,0 +1,90 @@
+<UserControl xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             xmlns:hc="https://handyorg.github.io/handycontrol"
+             mc:Ignorable="d"
+             d:DesignWidth="800"
+             d:DesignHeight="450"
+             x:Class="HandyControlDemo.UserControl.TextBoxDemo">
+    <ScrollViewer>
+        <hc:UniformSpacingPanel Spacing="32"
+                                Margin="32"
+                                ChildWrapping="Wrap">
+            <StackPanel>
+                <TextBox Text="This is the content" />
+                <TextBox Text="This is the content"
+                         Margin="0,16,0,0"
+                         IsEnabled="False" />
+
+                <TextBox hc:TitleElement.Title="This is the title"
+                         Theme="{StaticResource TextBoxExtend}"
+                         Margin="0,32,0,0"
+                         Text="This is the content" />
+                <TextBox hc:TitleElement.Title="This is the title"
+                         Theme="{StaticResource TextBoxExtend}"
+                         Margin="0,16,0,0"
+                         Text="This is the content"
+                         IsEnabled="False" />
+                <TextBox Watermark="please enter email"
+                         hc:TitleElement.Title="This item must be filled in"
+                         Theme="{StaticResource TextBoxExtend}"
+                         hc:InfoElement.Necessary="True"
+                         Margin="0,16,0,0" />
+                <TextBox Width="380"
+                         hc:TitleElement.TitleWidth="120"
+                         hc:TitleElement.TitlePlacement="Left"
+                         hc:TitleElement.Title="The title is on the left"
+                         Theme="{StaticResource TextBoxExtend}"
+                         Margin="0,32,0,0"
+                         Text="This is the content" />
+                <TextBox Width="380"
+                         hc:TitleElement.TitleWidth="120"
+                         Watermark="Please enter content"
+                         hc:TitleElement.TitlePlacement="Left"
+                         hc:TitleElement.Title="The title is on the left"
+                         hc:InfoElement.Necessary="True"
+                         Theme="{StaticResource TextBoxExtend}"
+                         Margin="0,16,0,0" />
+            </StackPanel>
+            <StackPanel>
+                <TextBox Text="This is the content"
+                         Theme="{StaticResource TextBox.Small}" />
+                <TextBox Text="This is the content"
+                         Margin="0,16,0,0"
+                         IsEnabled="False"
+                         Theme="{StaticResource TextBox.Small}" />
+
+                <TextBox hc:TitleElement.Title="This is the title"
+                         Theme="{StaticResource TextBoxExtend.Small}"
+                         Margin="0,32,0,0"
+                         Text="This is the content" />
+                <TextBox hc:TitleElement.Title="This is the title"
+                         Theme="{StaticResource TextBoxExtend.Small}"
+                         Margin="0,16,0,0"
+                         Text="This is the content"
+                         IsEnabled="False" />
+                <TextBox Watermark="please enter email"
+                         hc:TitleElement.Title="This item must be filled in"
+                         Theme="{StaticResource TextBoxExtend.Small}"
+                         hc:InfoElement.Necessary="True"
+                         Margin="0,16,0,0" />
+                <TextBox Width="380"
+                         hc:TitleElement.TitleWidth="120"
+                         hc:TitleElement.TitlePlacement="Left"
+                         hc:TitleElement.Title="The title is on the left"
+                         Theme="{StaticResource TextBoxExtend.Small}"
+                         Margin="0,32,0,0"
+                         Text="This is the content" />
+                <TextBox Width="380"
+                         hc:TitleElement.TitleWidth="120"
+                         Watermark="Please enter content"
+                         hc:TitleElement.TitlePlacement="Left"
+                         hc:TitleElement.Title="The title is on the left"
+                         hc:InfoElement.Necessary="True"
+                         Theme="{StaticResource TextBoxExtend.Small}"
+                         Margin="0,16,0,0" />
+            </StackPanel>
+        </hc:UniformSpacingPanel>
+    </ScrollViewer>
+</UserControl>

src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/TextBoxDemo.axaml.cs

@@ -0,0 +1,10 @@
+namespace HandyControlDemo.UserControl;
+
+public partial class TextBoxDemo : Avalonia.Controls.UserControl
+{
+    public TextBoxDemo()
+    {
+        InitializeComponent();
+    }
+}
+

src/Avalonia/HandyControl_Avalonia/Controls/Attach/InfoElement.cs

@@ -0,0 +1,63 @@
+using Avalonia;
+
+namespace HandyControl.Controls;
+
+public class InfoElement
+{
+    public static readonly AttachedProperty<bool> NecessaryProperty =
+        AvaloniaProperty.RegisterAttached<InfoElement, AvaloniaObject, bool>("Necessary", inherits: true);
+
+    public static void SetNecessary(AvaloniaObject element, bool value) => element.SetValue(NecessaryProperty, value);
+
+    public static bool GetNecessary(AvaloniaObject element) => element.GetValue(NecessaryProperty);
+
+    public static readonly AttachedProperty<object> SymbolProperty =
+        AvaloniaProperty.RegisterAttached<InfoElement, AvaloniaObject, object>("Symbol", inherits: true);
+
+    public static void SetSymbol(AvaloniaObject element, object value) => element.SetValue(SymbolProperty, value);
+
+    public static object GetSymbol(AvaloniaObject element) => element.GetValue(SymbolProperty);
+
+    public static readonly AttachedProperty<double> ContentHeightProperty =
+        AvaloniaProperty.RegisterAttached<InfoElement, AvaloniaObject, double>("ContentHeight", defaultValue: 28,
+            inherits: true);
+
+    public static void SetContentHeight(AvaloniaObject element, double value) =>
+        element.SetValue(ContentHeightProperty, value);
+
+    public static double GetContentHeight(AvaloniaObject element) => element.GetValue(ContentHeightProperty);
+
+    public static readonly AttachedProperty<double> MinContentHeightProperty =
+        AvaloniaProperty.RegisterAttached<InfoElement, AvaloniaObject, double>("MinContentHeight", defaultValue: 28,
+            inherits: true);
+
+    public static void SetMinContentHeight(AvaloniaObject element, double value) =>
+        element.SetValue(MinContentHeightProperty, value);
+
+    public static double GetMinContentHeight(AvaloniaObject element) => element.GetValue(MinContentHeightProperty);
+
+    public static readonly AttachedProperty<double> MaxContentHeightProperty =
+        AvaloniaProperty.RegisterAttached<InfoElement, AvaloniaObject, double>("MaxContentHeight",
+            defaultValue: double.PositiveInfinity);
+
+    public static void SetMaxContentHeight(AvaloniaObject element, double value) =>
+        element.SetValue(MaxContentHeightProperty, value);
+
+    public static double GetMaxContentHeight(AvaloniaObject element) => element.GetValue(MaxContentHeightProperty);
+
+    public static readonly AttachedProperty<string> RegexPatternProperty =
+        AvaloniaProperty.RegisterAttached<InfoElement, AvaloniaObject, string>("RegexPattern");
+
+    public static void SetRegexPattern(AvaloniaObject element, string value) =>
+        element.SetValue(RegexPatternProperty, value);
+
+    public static string GetRegexPattern(AvaloniaObject element) => element.GetValue(RegexPatternProperty);
+
+    public static readonly AttachedProperty<bool> ShowClearButtonProperty =
+        AvaloniaProperty.RegisterAttached<InfoElement, AvaloniaObject, bool>("ShowClearButton");
+
+    public static void SetShowClearButton(AvaloniaObject element, bool value) =>
+        element.SetValue(ShowClearButtonProperty, value);
+
+    public static bool GetShowClearButton(AvaloniaObject element) => element.GetValue(ShowClearButtonProperty);
+}

src/Avalonia/HandyControl_Avalonia/Controls/Attach/TextBlockAttach.cs

@@ -0,0 +1,53 @@
+using Avalonia;
+using Avalonia.Controls;
+
+namespace HandyControl.Controls;
+
+public class TextBlockAttach
+{
+    public static readonly AttachedProperty<bool> AutoTooltipProperty =
+        AvaloniaProperty.RegisterAttached<TextBlockAttach, AvaloniaObject, bool>("AutoTooltip", defaultValue: false);
+
+    public static void SetAutoTooltip(AvaloniaObject element, bool value) =>
+        element.SetValue(AutoTooltipProperty, value);
+
+    public static bool GetAutoTooltip(AvaloniaObject element) => element.GetValue(AutoTooltipProperty);
+
+    static TextBlockAttach()
+    {
+        AutoTooltipProperty.Changed.AddClassHandler<AvaloniaObject>(OnAutoTooltipChanged);
+    }
+
+    private static void OnAutoTooltipChanged(AvaloniaObject d, AvaloniaPropertyChangedEventArgs e)
+    {
+        if (d is not TextBlock ctl)
+        {
+            return;
+        }
+
+        if (e.GetNewValue<bool>())
+        {
+            UpdateTooltip(ctl);
+            ctl.SizeChanged += TextBlock_SizeChanged;
+        }
+        else
+        {
+            ctl.SizeChanged -= TextBlock_SizeChanged;
+        }
+    }
+
+    private static void TextBlock_SizeChanged(object? sender, SizeChangedEventArgs e)
+    {
+        if (sender is TextBlock textBlock)
+        {
+            UpdateTooltip(textBlock);
+        }
+    }
+
+    private static void UpdateTooltip(TextBlock textBlock)
+    {
+        textBlock.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
+        double width = textBlock.DesiredSize.Width - textBlock.Margin.Left - textBlock.Margin.Right;
+        ToolTip.SetTip(textBlock, textBlock.Bounds.Width > width ? textBlock.Text : null);
+    }
+}

src/Avalonia/HandyControl_Avalonia/Controls/Attach/TitleElement.cs

@@ -1,17 +1,19 @@
 using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Layout;
 using Avalonia.Media;
+using HandyControl.Data;
 
 namespace HandyControl.Controls;
 
 public class TitleElement
 {
-    public static readonly AttachedProperty<IBrush?> BorderBrushProperty =
-        AvaloniaProperty.RegisterAttached<TitleElement, AvaloniaObject, IBrush?>("BorderBrush", inherits: true);
+    public static readonly AttachedProperty<string> TitleProperty =
+        AvaloniaProperty.RegisterAttached<TitleElement, AvaloniaObject, string>("Title");
 
-    public static void SetBorderBrush(AvaloniaObject element, IBrush? value) =>
-        element.SetValue(BorderBrushProperty, value);
+    public static void SetTitle(AvaloniaObject element, string value) => element.SetValue(TitleProperty, value);
 
-    public static IBrush? GetBorderBrush(AvaloniaObject element) => element.GetValue(BorderBrushProperty);
+    public static string GetTitle(AvaloniaObject element) => element.GetValue(TitleProperty);
 
     public static readonly AttachedProperty<IBrush?> BackgroundProperty =
         AvaloniaProperty.RegisterAttached<TitleElement, AvaloniaObject, IBrush?>("Background", inherits: true);
@@ -28,4 +30,81 @@ public class TitleElement
         element.SetValue(ForegroundProperty, value);
 
     public static IBrush? GetForeground(AvaloniaObject element) => element.GetValue(ForegroundProperty);
+
+    public static readonly AttachedProperty<IBrush?> BorderBrushProperty =
+        AvaloniaProperty.RegisterAttached<TitleElement, AvaloniaObject, IBrush?>("BorderBrush", inherits: true);
+
+    public static void SetBorderBrush(AvaloniaObject element, IBrush? value) =>
+        element.SetValue(BorderBrushProperty, value);
+
+    public static IBrush? GetBorderBrush(AvaloniaObject element) => element.GetValue(BorderBrushProperty);
+
+    public static readonly AttachedProperty<TitlePlacementType> TitlePlacementProperty =
+        AvaloniaProperty.RegisterAttached<TitleElement, AvaloniaObject, TitlePlacementType>("TitlePlacement",
+            defaultValue: TitlePlacementType.Top, inherits: true);
+
+    public static void SetTitlePlacement(AvaloniaObject element, TitlePlacementType value) =>
+        element.SetValue(TitlePlacementProperty, value);
+
+    public static TitlePlacementType GetTitlePlacement(AvaloniaObject element) =>
+        element.GetValue(TitlePlacementProperty);
+
+    public static readonly AttachedProperty<GridLength> TitleWidthProperty =
+        AvaloniaProperty.RegisterAttached<TitleElement, AvaloniaObject, GridLength>("TitleWidth",
+            defaultValue: GridLength.Auto, inherits: true);
+
+    public static void SetTitleWidth(AvaloniaObject element, GridLength value) =>
+        element.SetValue(TitleWidthProperty, value);
+
+    public static GridLength GetTitleWidth(AvaloniaObject element) => element.GetValue(TitleWidthProperty);
+
+    public static readonly AttachedProperty<HorizontalAlignment> HorizontalAlignmentProperty =
+        AvaloniaProperty.RegisterAttached<TitleElement, AvaloniaObject, HorizontalAlignment>("HorizontalAlignment",
+            inherits: true);
+
+    public static void SetHorizontalAlignment(AvaloniaObject element, HorizontalAlignment value) =>
+        element.SetValue(HorizontalAlignmentProperty, value);
+
+    public static HorizontalAlignment GetHorizontalAlignment(AvaloniaObject element) =>
+        element.GetValue(HorizontalAlignmentProperty);
+
+    public static readonly AttachedProperty<VerticalAlignment> VerticalAlignmentProperty =
+        AvaloniaProperty.RegisterAttached<TitleElement, AvaloniaObject, VerticalAlignment>("VerticalAlignment",
+            inherits: true);
+
+    public static void SetVerticalAlignment(AvaloniaObject element, VerticalAlignment value) =>
+        element.SetValue(VerticalAlignmentProperty, value);
+
+    public static VerticalAlignment GetVerticalAlignment(AvaloniaObject element) =>
+        element.GetValue(VerticalAlignmentProperty);
+
+    public static readonly AttachedProperty<Thickness> MarginOnTheLeftProperty =
+        AvaloniaProperty.RegisterAttached<TitleElement, AvaloniaObject, Thickness>("MarginOnTheLeft", inherits: true);
+
+    public static void SetMarginOnTheLeft(AvaloniaObject element, Thickness value) =>
+        element.SetValue(MarginOnTheLeftProperty, value);
+
+    public static Thickness GetMarginOnTheLeft(AvaloniaObject element) => element.GetValue(MarginOnTheLeftProperty);
+
+    public static readonly AttachedProperty<Thickness> MarginOnTheTopProperty =
+        AvaloniaProperty.RegisterAttached<TitleElement, AvaloniaObject, Thickness>("MarginOnTheTop", inherits: true);
+
+    public static void SetMarginOnTheTop(AvaloniaObject element, Thickness value) =>
+        element.SetValue(MarginOnTheTopProperty, value);
+
+    public static Thickness GetMarginOnTheTop(AvaloniaObject element) => element.GetValue(MarginOnTheTopProperty);
+
+    public static readonly AttachedProperty<double> MinHeightProperty =
+        AvaloniaProperty.RegisterAttached<TitleElement, AvaloniaObject, double>("MinHeight");
+
+    public static void SetMinHeight(AvaloniaObject element, double value) => element.SetValue(MinHeightProperty, value);
+
+    public static double GetMinHeight(AvaloniaObject element) => element.GetValue(MinHeightProperty);
+
+    public static readonly AttachedProperty<double> MinWidthProperty =
+        AvaloniaProperty.RegisterAttached<TitleElement, AvaloniaObject, double>("MinWidth");
+
+    public static void SetMinWidth(AvaloniaObject element, double value) => element.SetValue(MinWidthProperty, value);
+
+    public static double GetMinWidth(AvaloniaObject element) => element.GetValue(MinWidthProperty);
 }

src/Avalonia/HandyControl_Avalonia/Data/Enum/TitlePlacementType.cs

@@ -0,0 +1,7 @@
+namespace HandyControl.Data;
+
+public enum TitlePlacementType
+{
+    Left,
+    Top
+}

src/Avalonia/HandyControl_Avalonia/Themes/Basic/Brushes.axaml

@@ -107,6 +107,8 @@
     <SolidColorBrush x:Key="DarkAccentBrush"
                      Color="{DynamicResource DarkAccentColor}" />
 
+    <SolidColorBrush x:Key="HighlightBrush"
+                     Color="{DynamicResource HighlightColor}" />
     <SolidColorBrush x:Key="DarkMaskBrush"
                      Color="{DynamicResource DarkMaskColor}" />
     <SolidColorBrush x:Key="DarkOpacityBrush"

src/Avalonia/HandyControl_Avalonia/Themes/Basic/Colors.axaml

@@ -44,6 +44,7 @@
             <Color x:Key="AccentColor">#f8491e</Color>
             <Color x:Key="DarkAccentColor">#f8491e</Color>
 
+            <Color x:Key="HighlightColor">#783399FF</Color>
             <Color x:Key="DarkMaskColor">#20000000</Color>
             <Color x:Key="DarkOpacityColor">#40000000</Color>
             <system:UInt32 x:Key="BlurGradientValue">2583691263</system:UInt32>
@@ -90,6 +91,7 @@
             <Color x:Key="AccentColor">#ff5722</Color>
             <Color x:Key="DarkAccentColor">#d43f3a</Color>
 
+            <Color x:Key="HighlightColor">#783399FF</Color>
             <Color x:Key="DarkMaskColor">#40000000</Color>
             <Color x:Key="DarkOpacityColor">#40000000</Color>
             <system:UInt32 x:Key="BlurGradientValue">2583691263</system:UInt32>

src/Avalonia/HandyControl_Avalonia/Themes/Basic/Converters.axaml

@@ -9,6 +9,7 @@
     <hc:GeometrySpacingConverter x:Key="GeometrySpacingConverter" />
     <hc:CornerRadiusSplitConverter x:Key="CornerRadiusSplitConverter" />
     <hc:DoubleExpandConverter x:Key="DoubleExpandConverter" />
+    <hc:Double2GridLengthConverter x:Key="Double2GridLengthConverter" />
     <avalonia:StringFormatConverter x:Key="StringFormatConverter" />
     <avalonia:MarginMultiplierConverter x:Key="LeftMarginConverter"
                                         Indent="16"

src/Avalonia/HandyControl_Avalonia/Themes/Styles/TextBox.axaml

@@ -0,0 +1,292 @@
+<ResourceDictionary xmlns="https://github.com/avaloniaui"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                    xmlns:hc="clr-namespace:HandyControl.Controls"
+                    xmlns:system="clr-namespace:System;assembly=System.Runtime">
+
+    <ControlTheme x:Key="TextBoxBaseStyle"
+                  TargetType="TextBox">
+        <Setter Property="hc:TitleElement.MarginOnTheLeft"
+                Value="0,7,6,0" />
+        <Setter Property="hc:TitleElement.MarginOnTheTop"
+                Value="8,0,0,5" />
+        <Setter Property="hc:TitleElement.HorizontalAlignment"
+                Value="Left" />
+        <Setter Property="hc:BorderElement.CornerRadius"
+                Value="{StaticResource DefaultCornerRadius}" />
+        <Setter Property="MinHeight"
+                Value="{StaticResource DefaultControlHeight}" />
+        <Setter Property="Padding"
+                Value="{StaticResource DefaultInputPadding}" />
+        <Setter Property="VerticalContentAlignment"
+                Value="Center" />
+        <Setter Property="HorizontalContentAlignment"
+                Value="Left" />
+        <Setter Property="Background"
+                Value="{DynamicResource RegionBrush}" />
+        <Setter Property="BorderBrush"
+                Value="{DynamicResource BorderBrush}" />
+        <Setter Property="Foreground"
+                Value="{DynamicResource PrimaryTextBrush}" />
+        <Setter Property="BorderThickness"
+                Value="1" />
+        <Setter Property="SelectionBrush"
+                Value="{DynamicResource HighlightBrush}" />
+        <Setter Property="SelectionForegroundBrush"
+                Value="{DynamicResource HighlightForegroundBrush}" />
+        <Setter Property="CaretBrush"
+                Value="{DynamicResource PrimaryTextBrush}" />
+        <Setter Property="ScrollViewer.IsScrollChainingEnabled"
+                Value="True" />
+        <Setter Property="Template">
+            <ControlTemplate>
+                <Panel>
+                    <Border x:Name="border"
+                            CornerRadius="{Binding Path=(hc:BorderElement.CornerRadius), RelativeSource={RelativeSource TemplatedParent}}"
+                            BorderBrush="{TemplateBinding BorderBrush}"
+                            BorderThickness="{TemplateBinding BorderThickness}"
+                            Background="{TemplateBinding Background}" />
+                    <ScrollViewer Name="PART_ScrollViewer"
+                                  AllowAutoHide="{TemplateBinding (ScrollViewer.AllowAutoHide)}"
+                                  BringIntoViewOnFocusChange="{TemplateBinding (ScrollViewer.BringIntoViewOnFocusChange)}"
+                                  HorizontalScrollBarVisibility="{TemplateBinding (ScrollViewer.HorizontalScrollBarVisibility)}"
+                                  IsScrollChainingEnabled="{TemplateBinding (ScrollViewer.IsScrollChainingEnabled)}"
+                                  VerticalScrollBarVisibility="{TemplateBinding (ScrollViewer.VerticalScrollBarVisibility)}">
+                        <TextPresenter Name="PART_TextPresenter"
+                                       Margin="{TemplateBinding Padding}"
+                                       VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
+                                       CaretBlinkInterval="{TemplateBinding CaretBlinkInterval}"
+                                       CaretBrush="{TemplateBinding CaretBrush}"
+                                       CaretIndex="{TemplateBinding CaretIndex}"
+                                       LineHeight="{TemplateBinding LineHeight}"
+                                       LetterSpacing="{TemplateBinding LetterSpacing}"
+                                       PasswordChar="{TemplateBinding PasswordChar}"
+                                       RevealPassword="{TemplateBinding RevealPassword}"
+                                       SelectionBrush="{TemplateBinding SelectionBrush}"
+                                       SelectionEnd="{TemplateBinding SelectionEnd}"
+                                       SelectionForegroundBrush="{TemplateBinding SelectionForegroundBrush}"
+                                       SelectionStart="{TemplateBinding SelectionStart}"
+                                       Text="{TemplateBinding Text,Mode=TwoWay}"
+                                       TextAlignment="{TemplateBinding TextAlignment}"
+                                       TextWrapping="{TemplateBinding TextWrapping}" />
+                        <ScrollViewer.Styles>
+                            <Style Selector="ScrollContentPresenter#PART_ContentPresenter">
+                                <Setter Property="Cursor"
+                                        Value="IBeam" />
+                            </Style>
+                        </ScrollViewer.Styles>
+                    </ScrollViewer>
+                </Panel>
+            </ControlTemplate>
+        </Setter>
+
+        <Style Selector="^:disabled">
+            <Setter Property="Opacity"
+                    Value="0.4" />
+        </Style>
+
+        <Style Selector="^:pointerover /template/ Border#border">
+            <Setter Property="BorderBrush"
+                    Value="{DynamicResource SecondaryBorderBrush}" />
+        </Style>
+
+        <Style Selector="^:focus">
+            <Style Selector="^:pointerover /template/ Border#border">
+                <Setter Property="BorderBrush"
+                        Value="{DynamicResource PrimaryBrush}" />
+            </Style>
+            <Setter Property="BorderBrush"
+                    Value="{DynamicResource PrimaryBrush}" />
+        </Style>
+    </ControlTheme>
+
+    <ControlTemplate x:Key="TextBoxExtendTopTemplate"
+                     TargetType="TextBox">
+        <Grid>
+            <Grid.RowDefinitions>
+                <RowDefinition Height="Auto" />
+                <RowDefinition MinHeight="{Binding Path=(hc:InfoElement.MinContentHeight), RelativeSource={RelativeSource TemplatedParent}}"
+                               Height="{Binding Path=(hc:InfoElement.ContentHeight), RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Double2GridLengthConverter}}" />
+            </Grid.RowDefinitions>
+            <DockPanel LastChildFill="True"
+                       IsHitTestVisible="False"
+                       IsVisible="{Binding Path=(hc:TitleElement.Title), RelativeSource={RelativeSource TemplatedParent},Converter={x:Static StringConverters.IsNotNullOrEmpty}}"
+                       HorizontalAlignment="{Binding Path=(hc:TitleElement.HorizontalAlignment), RelativeSource={RelativeSource TemplatedParent}}"
+                       Margin="{Binding Path=(hc:TitleElement.MarginOnTheTop), RelativeSource={RelativeSource TemplatedParent}}">
+                <ContentPresenter DockPanel.Dock="Right"
+                                  TextElement.Foreground="{DynamicResource DangerBrush}"
+                                  Margin="4,0,0,0"
+                                  Content="{Binding Path=(hc:InfoElement.Symbol), RelativeSource={RelativeSource TemplatedParent}}"
+                                  IsVisible="{Binding Path=(hc:InfoElement.Necessary), RelativeSource={RelativeSource TemplatedParent}}" />
+                <TextBlock TextWrapping="NoWrap"
+                           TextTrimming="CharacterEllipsis"
+                           Text="{Binding Path=(hc:TitleElement.Title), RelativeSource={RelativeSource TemplatedParent}}" />
+            </DockPanel>
+            <Border x:Name="border"
+                    Grid.Row="1"
+                    CornerRadius="{Binding Path=(hc:BorderElement.CornerRadius), RelativeSource={RelativeSource TemplatedParent}}"
+                    BorderBrush="{TemplateBinding BorderBrush}"
+                    BorderThickness="{TemplateBinding BorderThickness}"
+                    Background="{TemplateBinding Background}" />
+            <TextBlock Grid.Row="1"
+                       VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
+                       Margin="{TemplateBinding Padding}"
+                       IsVisible="{TemplateBinding Text, Converter={x:Static StringConverters.IsNullOrEmpty}}"
+                       HorizontalAlignment="Stretch"
+                       Theme="{StaticResource TextBlockDefaultThiLight}"
+                       Text="{TemplateBinding Watermark}" />
+            <ScrollViewer Name="PART_ScrollViewer"
+                          Grid.Row="1"
+                          AllowAutoHide="{TemplateBinding (ScrollViewer.AllowAutoHide)}"
+                          BringIntoViewOnFocusChange="{TemplateBinding (ScrollViewer.BringIntoViewOnFocusChange)}"
+                          HorizontalScrollBarVisibility="{TemplateBinding (ScrollViewer.HorizontalScrollBarVisibility)}"
+                          IsScrollChainingEnabled="{TemplateBinding (ScrollViewer.IsScrollChainingEnabled)}"
+                          VerticalScrollBarVisibility="{TemplateBinding (ScrollViewer.VerticalScrollBarVisibility)}">
+                <TextPresenter Name="PART_TextPresenter"
+                               Margin="{TemplateBinding Padding}"
+                               VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
+                               CaretBlinkInterval="{TemplateBinding CaretBlinkInterval}"
+                               CaretBrush="{TemplateBinding CaretBrush}"
+                               CaretIndex="{TemplateBinding CaretIndex}"
+                               LineHeight="{TemplateBinding LineHeight}"
+                               LetterSpacing="{TemplateBinding LetterSpacing}"
+                               PasswordChar="{TemplateBinding PasswordChar}"
+                               RevealPassword="{TemplateBinding RevealPassword}"
+                               SelectionBrush="{TemplateBinding SelectionBrush}"
+                               SelectionEnd="{TemplateBinding SelectionEnd}"
+                               SelectionForegroundBrush="{TemplateBinding SelectionForegroundBrush}"
+                               SelectionStart="{TemplateBinding SelectionStart}"
+                               Text="{TemplateBinding Text,Mode=TwoWay}"
+                               TextAlignment="{TemplateBinding TextAlignment}"
+                               TextWrapping="{TemplateBinding TextWrapping}" />
+                <ScrollViewer.Styles>
+                    <Style Selector="ScrollContentPresenter#PART_ContentPresenter">
+                        <Setter Property="Cursor"
+                                Value="IBeam" />
+                    </Style>
+                </ScrollViewer.Styles>
+            </ScrollViewer>
+        </Grid>
+    </ControlTemplate>
+
+    <ControlTemplate x:Key="TextBoxExtendLeftTemplate"
+                     TargetType="TextBox">
+        <Grid MinHeight="{Binding Path=(hc:InfoElement.MinContentHeight), RelativeSource={RelativeSource TemplatedParent}}"
+              Height="{Binding Path=(hc:InfoElement.ContentHeight), RelativeSource={RelativeSource TemplatedParent}}">
+            <Grid.ColumnDefinitions>
+                <ColumnDefinition Width="{Binding Path=(hc:TitleElement.TitleWidth), RelativeSource={RelativeSource TemplatedParent}}" />
+                <ColumnDefinition />
+            </Grid.ColumnDefinitions>
+            <DockPanel LastChildFill="True"
+                       IsHitTestVisible="False"
+                       IsVisible="{Binding Path=(hc:TitleElement.Title), RelativeSource={RelativeSource TemplatedParent},Converter={x:Static StringConverters.IsNotNullOrEmpty}}"
+                       HorizontalAlignment="{Binding Path=(hc:TitleElement.HorizontalAlignment), RelativeSource={RelativeSource TemplatedParent}}"
+                       VerticalAlignment="{Binding Path=(hc:TitleElement.VerticalAlignment), RelativeSource={RelativeSource TemplatedParent}}"
+                       Margin="{Binding Path=(hc:TitleElement.MarginOnTheLeft), RelativeSource={RelativeSource TemplatedParent}}">
+                <ContentPresenter DockPanel.Dock="Right"
+                                  TextElement.Foreground="{DynamicResource DangerBrush}"
+                                  Margin="4,0,0,0"
+                                  Content="{Binding Path=(hc:InfoElement.Symbol), RelativeSource={RelativeSource TemplatedParent}}"
+                                  IsVisible="{Binding Path=(hc:InfoElement.Necessary), RelativeSource={RelativeSource TemplatedParent}}" />
+                <TextBlock TextWrapping="NoWrap"
+                           TextTrimming="CharacterEllipsis"
+                           Text="{Binding Path=(hc:TitleElement.Title), RelativeSource={RelativeSource TemplatedParent}}" />
+            </DockPanel>
+            <Border x:Name="border"
+                    Grid.Column="1"
+                    CornerRadius="{Binding Path=(hc:BorderElement.CornerRadius), RelativeSource={RelativeSource TemplatedParent}}"
+                    BorderBrush="{TemplateBinding BorderBrush}"
+                    BorderThickness="{TemplateBinding BorderThickness}"
+                    Background="{TemplateBinding Background}" />
+            <TextBlock Grid.Column="1"
+                       VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
+                       Margin="{TemplateBinding Padding}"
+                       IsVisible="{TemplateBinding Text, Converter={x:Static StringConverters.IsNullOrEmpty}}"
+                       HorizontalAlignment="Stretch"
+                       Theme="{StaticResource TextBlockDefaultThiLight}"
+                       Text="{TemplateBinding Watermark}" />
+            <ScrollViewer Name="PART_ScrollViewer"
+                          Grid.Column="1"
+                          AllowAutoHide="{TemplateBinding (ScrollViewer.AllowAutoHide)}"
+                          BringIntoViewOnFocusChange="{TemplateBinding (ScrollViewer.BringIntoViewOnFocusChange)}"
+                          HorizontalScrollBarVisibility="{TemplateBinding (ScrollViewer.HorizontalScrollBarVisibility)}"
+                          IsScrollChainingEnabled="{TemplateBinding (ScrollViewer.IsScrollChainingEnabled)}"
+                          VerticalScrollBarVisibility="{TemplateBinding (ScrollViewer.VerticalScrollBarVisibility)}">
+                <TextPresenter Name="PART_TextPresenter"
+                               Margin="{TemplateBinding Padding}"
+                               VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
+                               CaretBlinkInterval="{TemplateBinding CaretBlinkInterval}"
+                               CaretBrush="{TemplateBinding CaretBrush}"
+                               CaretIndex="{TemplateBinding CaretIndex}"
+                               LineHeight="{TemplateBinding LineHeight}"
+                               LetterSpacing="{TemplateBinding LetterSpacing}"
+                               PasswordChar="{TemplateBinding PasswordChar}"
+                               RevealPassword="{TemplateBinding RevealPassword}"
+                               SelectionBrush="{TemplateBinding SelectionBrush}"
+                               SelectionEnd="{TemplateBinding SelectionEnd}"
+                               SelectionForegroundBrush="{TemplateBinding SelectionForegroundBrush}"
+                               SelectionStart="{TemplateBinding SelectionStart}"
+                               Text="{TemplateBinding Text,Mode=TwoWay}"
+                               TextAlignment="{TemplateBinding TextAlignment}"
+                               TextWrapping="{TemplateBinding TextWrapping}" />
+                <ScrollViewer.Styles>
+                    <Style Selector="ScrollContentPresenter#PART_ContentPresenter">
+                        <Setter Property="Cursor"
+                                Value="IBeam" />
+                    </Style>
+                </ScrollViewer.Styles>
+            </ScrollViewer>
+        </Grid>
+    </ControlTemplate>
+
+    <ControlTheme x:Key="TextBoxExtendBaseStyle"
+                  BasedOn="{StaticResource TextBoxBaseStyle}"
+                  TargetType="TextBox">
+        <Setter Property="hc:InfoElement.Symbol"
+                Value="●" />
+        <Setter Property="hc:InfoElement.ContentHeight"
+                Value="{x:Static system:Double.NaN}" />
+        <Setter Property="hc:InfoElement.MinContentHeight"
+                Value="{StaticResource DefaultControlHeight}" />
+        <Setter Property="Template"
+                Value="{StaticResource TextBoxExtendTopTemplate}" />
+
+        <Style Selector="^[(hc|TitleElement.TitlePlacement)=Left]">
+            <Setter Property="Template"
+                    Value="{StaticResource TextBoxExtendLeftTemplate}" />
+        </Style>
+    </ControlTheme>
+
+    <ControlTheme x:Key="{x:Type TextBox}"
+                  BasedOn="{StaticResource TextBoxBaseStyle}"
+                  TargetType="TextBox" />
+
+    <ControlTheme x:Key="TextBox.Small"
+                  BasedOn="{StaticResource TextBoxBaseStyle}"
+                  TargetType="TextBox">
+        <Setter Property="MinHeight"
+                Value="20" />
+        <Setter Property="Padding"
+                Value="6,0" />
+    </ControlTheme>
+
+    <ControlTheme x:Key="TextBoxExtend"
+                  BasedOn="{StaticResource TextBoxExtendBaseStyle}"
+                  TargetType="TextBox" />
+
+    <ControlTheme x:Key="TextBoxExtend.Small"
+                  BasedOn="{StaticResource TextBoxExtend}"
+                  TargetType="TextBox">
+        <Setter Property="hc:InfoElement.MinContentHeight"
+                Value="20" />
+        <Setter Property="hc:InfoElement.ContentHeight"
+                Value="20" />
+        <Setter Property="hc:TitleElement.MarginOnTheLeft"
+                Value="0,3,6,0" />
+        <Setter Property="hc:TitleElement.MarginOnTheTop"
+                Value="6,0,0,1" />
+        <Setter Property="Padding"
+                Value="6,0" />
+        <Setter Property="MinHeight"
+                Value="20" />
+    </ControlTheme>
+</ResourceDictionary>

src/Avalonia/HandyControl_Avalonia/Themes/Theme.axaml

@@ -35,6 +35,7 @@
                 <MergeResourceInclude Source="/Themes/Styles/Expander.axaml" />
                 <MergeResourceInclude Source="/Themes/Styles/ProgressBar.axaml" />
                 <MergeResourceInclude Source="/Themes/Styles/Calendar.axaml" />
+                <MergeResourceInclude Source="/Themes/Styles/TextBox.axaml" />
             </ResourceDictionary.MergedDictionaries>
         </ResourceDictionary>
     </Styles.Resources>

src/Avalonia/HandyControl_Avalonia/Tools/Converter/Double2GridLengthConverter.cs

@@ -0,0 +1,29 @@
+using System;
+using System.Globalization;
+using Avalonia.Controls;
+using Avalonia.Data.Converters;
+
+namespace HandyControl.Tools.Converter;
+
+public class Double2GridLengthConverter : IValueConverter
+{
+    public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        if (value is not double doubleValue)
+        {
+            return new GridLength(0);
+        }
+
+        if (double.IsNaN(doubleValue) || double.IsInfinity(doubleValue))
+        {
+            return new GridLength(1.0, GridUnitType.Star);
+        }
+
+        return new GridLength(doubleValue);
+    }
+
+    public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        throw new NotSupportedException();
+    }
+}

src/Shared/HandyControlDemo_Shared/Properties/Langs/Lang.cs.resx

@@ -1,17 +1,17 @@
 <?xml version="1.0" encoding="utf-8"?>
 <root>
-  <!-- 
-    Microsoft ResX Schema 
-    
+  <!--
+    Microsoft ResX Schema
+
     Version 2.0
-    
-    The primary goals of this format is to allow a simple XML format 
-    that is mostly human readable. The generation and parsing of the 
-    various data types are done through the TypeConverter classes 
+
+    The primary goals of this format is to allow a simple XML format
+    that is mostly human readable. The generation and parsing of the
+    various data types are done through the TypeConverter classes
     associated with the data types.
-    
+
     Example:
-    
+
     ... ado.net/XML headers & schema ...
     <resheader name="resmimetype">text/microsoft-resx</resheader>
     <resheader name="version">2.0</resheader>
@@ -26,36 +26,36 @@
         <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
         <comment>This is a comment</comment>
     </data>
-                
-    There are any number of "resheader" rows that contain simple 
+
+    There are any number of "resheader" rows that contain simple
     name/value pairs.
-    
-    Each data row contains a name, and value. The row also contains a 
-    type or mimetype. Type corresponds to a .NET class that support 
-    text/value conversion through the TypeConverter architecture. 
-    Classes that don't support this are serialized and stored with the 
+
+    Each data row contains a name, and value. The row also contains a
+    type or mimetype. Type corresponds to a .NET class that support
+    text/value conversion through the TypeConverter architecture.
+    Classes that don't support this are serialized and stored with the
     mimetype set.
-    
-    The mimetype is used for serialized objects, and tells the 
-    ResXResourceReader how to depersist the object. This is currently not 
+
+    The mimetype is used for serialized objects, and tells the
+    ResXResourceReader how to depersist the object. This is currently not
     extensible. For a given mimetype the value must be set accordingly:
-    
-    Note - application/x-microsoft.net.object.binary.base64 is the format 
-    that the ResXResourceWriter will generate, however the reader can 
+
+    Note - application/x-microsoft.net.object.binary.base64 is the format
+    that the ResXResourceWriter will generate, however the reader can
     read any of the formats listed below.
-    
+
     mimetype: application/x-microsoft.net.object.binary.base64
-    value   : The object must be serialized with 
+    value   : The object must be serialized with
             : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
             : and then encoded with base64 encoding.
-    
+
     mimetype: application/x-microsoft.net.object.soap.base64
-    value   : The object must be serialized with 
+    value   : The object must be serialized with
             : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
             : and then encoded with base64 encoding.
 
     mimetype: application/x-microsoft.net.object.bytearray.base64
-    value   : The object must be serialized into a byte array 
+    value   : The object must be serialized into a byte array
             : using a System.ComponentModel.TypeConverter
             : and then encoded with base64 encoding.
     -->
@@ -669,8 +669,8 @@
   <data name="HatchBrushGenerator" xml:space="preserve">
     <value>HatchBrushGenerator</value>
   </data>
-  <data name="Morphing Animation" xml:space="preserve">
-    <value>Morphing Animation</value>
+  <data name="MorphingAnimation" xml:space="preserve">
+    <value>MorphingAnimation</value>
   </data>
   <data name="Divider" xml:space="preserve">
     <value>Divider</value>
@@ -810,4 +810,4 @@
   <data name="ConfettiCannon" xml:space="preserve">
     <value>ConfettiCannon</value>
   </data>
-</root>
+</root>

src/Shared/HandyControl_Shared/Controls/Attach/InfoElement.cs

@@ -9,7 +9,7 @@ public class InfoElement : TitleElement
     ///     占位符
     /// </summary>
     public static readonly DependencyProperty PlaceholderProperty = DependencyProperty.RegisterAttached(
-        "Placeholder", typeof(string), typeof(InfoElement), new FrameworkPropertyMetadata(default(string), FrameworkPropertyMetadataOptions.Inherits));
+        "Placeholder", typeof(string), typeof(InfoElement), new FrameworkPropertyMetadata(null, FrameworkPropertyMetadataOptions.Inherits));
 
     public static void SetPlaceholder(DependencyObject element, string value) => element.SetValue(PlaceholderProperty, value);
 
@@ -29,7 +29,7 @@ public class InfoElement : TitleElement
     ///     标记
     /// </summary>
     public static readonly DependencyProperty SymbolProperty = DependencyProperty.RegisterAttached(
-        "Symbol", typeof(string), typeof(InfoElement), new FrameworkPropertyMetadata(default(string), FrameworkPropertyMetadataOptions.Inherits));
+        "Symbol", typeof(string), typeof(InfoElement), new FrameworkPropertyMetadata(null, FrameworkPropertyMetadataOptions.Inherits));
 
     public static void SetSymbol(DependencyObject element, string value) => element.SetValue(SymbolProperty, value);
 

src/Shared/HandyControl_Shared/Controls/Attach/TitleElement.cs

@@ -16,7 +16,7 @@ public class TitleElement
         => (string) element.GetValue(TitleProperty);
 
     public static readonly DependencyProperty BackgroundProperty = DependencyProperty.RegisterAttached(
-        "Background", typeof(Brush), typeof(TitleElement), new FrameworkPropertyMetadata(default(Brush), FrameworkPropertyMetadataOptions.Inherits));
+        "Background", typeof(Brush), typeof(TitleElement), new FrameworkPropertyMetadata(null, FrameworkPropertyMetadataOptions.Inherits));
 
     public static void SetBackground(DependencyObject element, Brush value)
         => element.SetValue(BackgroundProperty, value);
@@ -25,7 +25,7 @@ public class TitleElement
         => (Brush) element.GetValue(BackgroundProperty);
 
     public static readonly DependencyProperty ForegroundProperty = DependencyProperty.RegisterAttached(
-        "Foreground", typeof(Brush), typeof(TitleElement), new FrameworkPropertyMetadata(default(Brush), FrameworkPropertyMetadataOptions.Inherits));
+        "Foreground", typeof(Brush), typeof(TitleElement), new FrameworkPropertyMetadata(null, FrameworkPropertyMetadataOptions.Inherits));
 
     public static void SetForeground(DependencyObject element, Brush value)
         => element.SetValue(ForegroundProperty, value);
@@ -34,7 +34,7 @@ public class TitleElement
         => (Brush) element.GetValue(ForegroundProperty);
 
     public static readonly DependencyProperty BorderBrushProperty = DependencyProperty.RegisterAttached(
-        "BorderBrush", typeof(Brush), typeof(TitleElement), new FrameworkPropertyMetadata(default(Brush), FrameworkPropertyMetadataOptions.Inherits));
+        "BorderBrush", typeof(Brush), typeof(TitleElement), new FrameworkPropertyMetadata(null, FrameworkPropertyMetadataOptions.Inherits));
 
     public static void SetBorderBrush(DependencyObject element, Brush value)
         => element.SetValue(BorderBrushProperty, value);