功能完善

NeuWPF/NeoUI/Controls/SymbolIcon.xaml

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+<ResourceDictionary
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:controls="clr-namespace:NeumUI.Controls"
+    xmlns:conv="clr-namespace:NeumUI.Converters"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+    <!--  确保字体资源路径正确  -->
+    <FontFamily x:Key="MaterialIconFont">pack://application:,,,/NeumUI;component/Assets/#Material Symbols Rounded</FontFamily>
+    <Style TargetType="{x:Type controls:SymbolIcon}" x:Key="SymbolIconStyle">
+        <!--  为控件设置默认值  -->
+        <Setter Property="FontFamily" Value="{StaticResource MaterialIconFont}" />
+        <Setter Property="FontSize" Value="16" />
+        <!--<Setter Property="IsHitTestVisible" Value="False"/>-->
+        <Setter Property="IsTabStop" Value="False" />
+        <Setter Property="Focusable" Value="False" />
+        <Setter Property="SnapsToDevicePixels" Value="True" />
+        <Setter Property="Foreground" Value="{DynamicResource TextPrimaryBrush}" />
+        <Setter Property="HorizontalContentAlignment" Value="Center" />
+        <Setter Property="VerticalContentAlignment" Value="Center" />
+
+        <!--  核心部分：定义控件模板  -->
+        <!--  使用 TemplateBinding 将 SymbolIcon 的属性应用到内部 TextBlock  -->
+
+        <Setter Property="Template">
+            <Setter.Value>
+                <ControlTemplate TargetType="{x:Type controls:SymbolIcon}">
+                    <Border Background="Transparent">
+
+                        <!--  ==================== 新增部分 ====================  -->
+                        <!--<VisualStateManager.VisualStateGroups>
+                            <VisualStateGroup x:Name="CommonStates">
+                                <VisualState x:Name="Normal" />
+                                <VisualState x:Name="Disabled">
+                                    <Storyboard>
+                        -->
+                        <!--  目标是模板内的 IconText 元素  -->
+                        <!--
+                                        <DoubleAnimation Duration="0:0:0.1"
+                                                         Storyboard.TargetName="IconText"
+                                                         Storyboard.TargetProperty="Opacity"
+                                                         To="0.5" />
+                        -->
+                        <!--  0.1秒的过渡动画  -->
+                        <!--
+                                    </Storyboard>
+                                </VisualState>
+                            </VisualStateGroup>
+                        </VisualStateManager.VisualStateGroups>-->
+                        <!--  =================================================  -->
+
+                        <TextBlock
+                            FontFamily="{TemplateBinding FontFamily}"
+                            FontSize="{TemplateBinding FontSize}"
+                            Foreground="{TemplateBinding Foreground}"
+                            HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
+                            Text="{Binding Symbol, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}, Converter={x:Static conv:SymbolToCharConverter.Instance}}"
+                            VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
+                            x:Name="IconText" />
+
+                    </Border>
+                </ControlTemplate>
+
+            </Setter.Value>
+
+        </Setter>
+        <Style.Triggers>
+            <!--  当控件的 IsEnabled 属性为 False 时  -->
+            <Trigger Property="IsEnabled" Value="False">
+                <Setter Property="Foreground" Value="{DynamicResource TextDisabledBrush}" />
+            </Trigger>
+        </Style.Triggers>
+    </Style>
+    <Style BasedOn="{StaticResource SymbolIconStyle}" TargetType="controls:SymbolIcon" />
+</ResourceDictionary>