添加 Seek.Theme.Demo 项目

<Application xmlns="https://github.com/avaloniaui"

             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

             x:Class="Seek.Theme.Demo.App"

             RequestedThemeVariant="Default">

    <Application.Styles>

        <StyleInclude Source="avares://Seek.Theme/SeekTheme.axaml" />

    </Application.Styles>

</Application>

using Avalonia;

using Avalonia.Controls.ApplicationLifetimes;

using Avalonia.Markup.Xaml;

namespace Seek.Theme.Demo;

public partial class App : Application

{

    public override void Initialize()

    {

        AvaloniaXamlLoader.Load(this);

    }

    public override void OnFrameworkInitializationCompleted()

    {

        if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)

        {

            desktop.MainWindow = new MainWindow();

        }

        base.OnFrameworkInitializationCompleted();

    }

}

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<Window 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"

        mc:Ignorable="d" d:DesignWidth="900" d:DesignHeight="700"

        x:Class="Seek.Theme.Demo.MainWindow"

        Title="Seek Theme Demo"

        Width="900" Height="700"

        WindowStartupLocation="CenterScreen">

    <TabControl Margin="16" TabStripPlacement="Left">

        <TabItem Header="Buttons">

            <ScrollViewer>

                <StackPanel Spacing="16" Margin="16">

                    <TextBlock Text="Button Variants" Classes="h3" />

                    <StackPanel Orientation="Horizontal" Spacing="12">

                        <Button Content="Default" />

                        <Button Content="Primary" Classes="btn-primary" />

                        <Button Content="Success" Classes="btn-success" />

                        <Button Content="Danger" Classes="btn-danger" />

                        <Button Content="Disabled" IsEnabled="False" />

                    </StackPanel>

                    <TextBlock Text="Button Sizes" Classes="h3" Margin="0,8,0,0" />

                    <StackPanel Orientation="Horizontal" Spacing="12" VerticalAlignment="Center">

                        <Button Content="Small" Padding="8,4" FontSize="12" />

                        <Button Content="Medium" Classes="btn-primary" />

                        <Button Content="Large" Classes="btn-success" Padding="16,12" FontSize="16" />

                    </StackPanel>

                    <TextBlock Text="Button States" Classes="h3" Margin="0,8,0,0" />

                    <StackPanel Orientation="Horizontal" Spacing="12">

                        <Button Content="Normal" />

                        <Button Content="Hover (try it)" Classes="btn-primary" />

                        <Button Content="Pressed (try it)" Classes="btn-success" />

                    </StackPanel>

                </StackPanel>

            </ScrollViewer>

        </TabItem>

        <TabItem Header="Inputs">

            <ScrollViewer>

                <StackPanel Spacing="16" Margin="16">

                    <TextBlock Text="TextBox" Classes="h3" />

                    <TextBox Watermark="Enter text here..." />

                    <TextBox Text="Pre-filled text" />

                    <TextBox Watermark="Disabled" IsEnabled="False" />

                    <TextBlock Text="NumericUpDown" Classes="h3" Margin="0,8,0,0" />

                    <NumericUpDown Value="42" />

                    <TextBlock Text="ComboBox" Classes="h3" Margin="0,8,0,0" />

                    <ComboBox SelectedIndex="0">

                        <ComboBoxItem Content="Option One" />

                        <ComboBoxItem Content="Option Two" />

                        <ComboBoxItem Content="Option Three" />

                    </ComboBox>

                    <TextBlock Text="AutoCompleteBox" Classes="h3" Margin="0,8,0,0" />

                    <AutoCompleteBox Watermark="Type to search..." />

                </StackPanel>

            </ScrollViewer>

        </TabItem>

        <TabItem Header="Selection">

            <ScrollViewer>

                <StackPanel Spacing="16" Margin="16">

                    <TextBlock Text="CheckBox" Classes="h3" />

                    <CheckBox Content="Unchecked" />

                    <CheckBox Content="Checked" IsChecked="True" />

                    <CheckBox Content="Three-state (null)" IsThreeState="True" />

                    <CheckBox Content="Disabled" IsEnabled="False" />

                    <TextBlock Text="RadioButton" Classes="h3" Margin="0,8,0,0" />

                    <StackPanel Spacing="8">

                        <RadioButton Content="Option A" GroupName="radio1" IsChecked="True" />

                        <RadioButton Content="Option B" GroupName="radio1" />

                        <RadioButton Content="Option C" GroupName="radio1" />

                    </StackPanel>

                    <TextBlock Text="ToggleSwitch" Classes="h3" Margin="0,8,0,0" />

                    <StackPanel Spacing="8">

                        <ToggleSwitch IsChecked="True" />

                        <ToggleSwitch IsChecked="False" />

                        <ToggleSwitch IsChecked="True" IsEnabled="False" />

                    </StackPanel>

                    <TextBlock Text="ListBox" Classes="h3" Margin="0,8,0,0" />

                    <ListBox SelectedIndex="0" Height="120">

                        <ListBoxItem Content="Item One" />

                        <ListBoxItem Content="Item Two" />

                        <ListBoxItem Content="Item Three" />

                        <ListBoxItem Content="Item Four" />

                        <ListBoxItem Content="Item Five" />

                    </ListBox>

                </StackPanel>

            </ScrollViewer>

        </TabItem>

        <TabItem Header="Progress">

            <ScrollViewer>

                <StackPanel Spacing="16" Margin="16">

                    <TextBlock Text="ProgressBar" Classes="h3" />

                    <ProgressBar Value="70" Maximum="100" />

                    <ProgressBar Value="30" Maximum="100" ShowProgressText="True" />

                    <ProgressBar IsIndeterminate="True" />

                    <TextBlock Text="ProgressBar Colors" Classes="h3" Margin="0,8,0,0" />

                    <ProgressBar Value="100" Maximum="100" Background="{DynamicResource SeekSuccessBrush}" />

                    <ProgressBar Value="100" Maximum="100" Background="{DynamicResource SeekWarningBrush}" />

                    <ProgressBar Value="100" Maximum="100" Background="{DynamicResource SeekDangerBrush}" />

                    <TextBlock Text="Loading Indicator" Classes="h3" Margin="0,8,0,0" />

                    <ProgressBar IsIndeterminate="True" Height="4" />

                </StackPanel>

            </ScrollViewer>

        </TabItem>

        <TabItem Header="Sliders">

            <ScrollViewer>

                <StackPanel Spacing="16" Margin="16">

                    <TextBlock Text="Slider" Classes="h3" />

                    <Slider Minimum="0" Maximum="100" Value="50" />

                    <Slider Minimum="0" Maximum="100" Value="25" />

                    <Slider Minimum="0" Maximum="100" Value="75" IsEnabled="False" />

                    <TextBlock Text="ScrollBar" Classes="h3" Margin="0,8,0,0" />

                    <Border Height="150" BorderBrush="{DynamicResource SeekBorderBrush}" BorderThickness="1" CornerRadius="8">

                        <ScrollViewer HorizontalScrollBarVisibility="Auto" VerticalScrollBarVisibility="Auto">

                            <StackPanel Spacing="8" Margin="8">

                                <TextBlock Text="This is a scrollable area with custom scrollbar styling from the Seek theme." TextWrapping="Wrap" />

                                <TextBlock Text="Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua." TextWrapping="Wrap" />

                                <TextBlock Text="Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris." TextWrapping="Wrap" />

                                <TextBlock Text="Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore." TextWrapping="Wrap" />

                                <TextBlock Text="Excepteur sint occaecat cupidatat non proident." TextWrapping="Wrap" />

                            </StackPanel>

                        </ScrollViewer>

                    </Border>

                </StackPanel>

            </ScrollViewer>

        </TabItem>

        <TabItem Header="Text &amp; Typography">

            <ScrollViewer>

                <StackPanel Spacing="16" Margin="16">

                    <TextBlock Text="Typography Scale" Classes="h3" />

                    <TextBlock Text="Heading 1 - Large Display" Classes="h1" />

                    <TextBlock Text="Heading 2 - Section Title" Classes="h2" />

                    <TextBlock Text="Heading 3 - Subsection" Classes="h3" />

                    <TextBlock Text="Body text - This is the standard body text style used for most content. It should be comfortable to read at typical sizes." TextWrapping="Wrap" />

                    <TextBlock Text="Caption text - Smaller supplementary text" Classes="caption" />

                    <TextBlock Text="Text Colors" Classes="h3" Margin="0,8,0,0" />

                    <TextBlock Text="Primary text color - High emphasis" Foreground="{DynamicResource SeekTextPrimaryBrush}" />

                    <TextBlock Text="Secondary text color - Medium emphasis" Foreground="{DynamicResource SeekTextSecondaryBrush}" />

                    <TextBlock Text="Primary brand color" Foreground="{DynamicResource SeekPrimaryBrush}" />

                    <TextBlock Text="Success state" Foreground="{DynamicResource SeekSuccessBrush}" />

                    <TextBlock Text="Warning state" Foreground="{DynamicResource SeekWarningBrush}" />

                    <TextBlock Text="Danger state" Foreground="{DynamicResource SeekDangerBrush}" />

                </StackPanel>

            </ScrollViewer>

        </TabItem>

        <TabItem Header="Cards &amp; Borders">

            <ScrollViewer>

                <StackPanel Spacing="16" Margin="16">

                    <TextBlock Text="Card Style" Classes="h3" />

                    <Border Classes="card">

                        <StackPanel Spacing="8">

                            <TextBlock Text="Card Title" Classes="h3" />

                            <TextBlock Text="This is a card component with custom styling from Seek.Theme. It has rounded corners, border, and padding." TextWrapping="Wrap" />

                        </StackPanel>

                    </Border>

                    <TextBlock Text="Surface Colors" Classes="h3" Margin="0,8,0,0" />

                    <Border Classes="card">

                        <TextBlock Text="Surface (Card Background)" />

                    </Border>

                    <Border Classes="card surface-alt">

                        <TextBlock Text="Surface Alt (Alternate Background)" />

                    </Border>

                    <TextBlock Text="Border Radius" Classes="h3" Margin="0,8,0,0" />

                    <StackPanel Orientation="Horizontal" Spacing="12">

                        <Border Width="80" Height="80" CornerRadius="0" Background="{DynamicResource SeekPrimaryBrush}" />

                        <Border Width="80" Height="80" CornerRadius="4" Background="{DynamicResource SeekPrimaryBrush}" />

                        <Border Width="80" Height="80" CornerRadius="8" Background="{DynamicResource SeekPrimaryBrush}" />

                        <Border Width="80" Height="80" CornerRadius="16" Background="{DynamicResource SeekPrimaryBrush}" />

                        <Border Width="80" Height="80" CornerRadius="40" Background="{DynamicResource SeekPrimaryBrush}" />

                    </StackPanel>

                </StackPanel>

            </ScrollViewer>

        </TabItem>

        <TabItem Header="Colors">

            <ScrollViewer>

                <StackPanel Spacing="16" Margin="16">

                    <TextBlock Text="Brand Colors" Classes="h3" />

                    <StackPanel Spacing="8">

                        <StackPanel Orientation="Horizontal" Spacing="8" VerticalAlignment="Center">

                            <Border Width="40" Height="40" CornerRadius="8" Background="{DynamicResource SeekPrimaryBrush}" />

                            <TextBlock Text="Primary" VerticalAlignment="Center" />

                        </StackPanel>

                        <StackPanel Orientation="Horizontal" Spacing="8" VerticalAlignment="Center">

                            <Border Width="40" Height="40" CornerRadius="8" Background="{DynamicResource SeekPrimaryHoverBrush}" />

                            <TextBlock Text="Primary Hover" VerticalAlignment="Center" />

                        </StackPanel>

                        <StackPanel Orientation="Horizontal" Spacing="8" VerticalAlignment="Center">

                            <Border Width="40" Height="40" CornerRadius="8" Background="{DynamicResource SeekPrimaryPressedBrush}" />

                            <TextBlock Text="Primary Pressed" VerticalAlignment="Center" />

                        </StackPanel>

                    </StackPanel>

                    <TextBlock Text="Semantic Colors" Classes="h3" Margin="0,8,0,0" />

                    <StackPanel Spacing="8">

                        <StackPanel Orientation="Horizontal" Spacing="8" VerticalAlignment="Center">

                            <Border Width="40" Height="40" CornerRadius="8" Background="{DynamicResource SeekSuccessBrush}" />

                            <TextBlock Text="Success" VerticalAlignment="Center" />

                        </StackPanel>

                        <StackPanel Orientation="Horizontal" Spacing="8" VerticalAlignment="Center">

                            <Border Width="40" Height="40" CornerRadius="8" Background="{DynamicResource SeekWarningBrush}" />

                            <TextBlock Text="Warning" VerticalAlignment="Center" />

                        </StackPanel>

                        <StackPanel Orientation="Horizontal" Spacing="8" VerticalAlignment="Center">

                            <Border Width="40" Height="40" CornerRadius="8" Background="{DynamicResource SeekDangerBrush}" />

                            <TextBlock Text="Danger" VerticalAlignment="Center" />

                        </StackPanel>

                    </StackPanel>

                    <TextBlock Text="Surface &amp; Border" Classes="h3" Margin="0,8,0,0" />

                    <StackPanel Spacing="8">

                        <StackPanel Orientation="Horizontal" Spacing="8" VerticalAlignment="Center">

                            <Border Width="40" Height="40" CornerRadius="8" Background="{DynamicResource SeekSurfaceBrush}" BorderBrush="{DynamicResource SeekBorderBrush}" BorderThickness="1" />

                            <TextBlock Text="Surface" VerticalAlignment="Center" />

                        </StackPanel>

                        <StackPanel Orientation="Horizontal" Spacing="8" VerticalAlignment="Center">

                            <Border Width="40" Height="40" CornerRadius="8" Background="{DynamicResource SeekSurfaceAltBrush}" BorderBrush="{DynamicResource SeekBorderBrush}" BorderThickness="1" />

                            <TextBlock Text="Surface Alt" VerticalAlignment="Center" />

                        </StackPanel>

                    </StackPanel>

                </StackPanel>

            </ScrollViewer>

        </TabItem>

        <TabItem Header="TabControl">

            <ScrollViewer>

                <StackPanel Spacing="16" Margin="16">

                    <TextBlock Text="Nested TabControl" Classes="h3" />

                    <TabControl>

                        <TabItem Header="Tab A">

                            <TextBlock Text="Content for Tab A" Margin="16" />

                        </TabItem>

                        <TabItem Header="Tab B">

                            <TextBlock Text="Content for Tab B" Margin="16" />

                        </TabItem>

                        <TabItem Header="Tab C">

                            <TextBlock Text="Content for Tab C" Margin="16" />

                        </TabItem>

                    </TabControl>

                </StackPanel>

            </ScrollViewer>

        </TabItem>

        <TabItem Header="Expander">

            <ScrollViewer>

                <StackPanel Spacing="16" Margin="16">

                    <TextBlock Text="Expander" Classes="h3" />

                    <Expander Header="Click to expand">

                        <TextBlock Text="This is the expanded content. It can contain any controls or content you need." TextWrapping="Wrap" Margin="0,8,0,0" />

                    </Expander>

                    <Expander Header="Another expander" IsExpanded="True">

                        <StackPanel Spacing="8" Margin="0,8,0,0">

                            <TextBlock Text="This one starts expanded." />

                            <TextBox Watermark="You can put inputs here..." />

                            <Button Content="Action" Classes="btn-primary" />

                        </StackPanel>

                    </Expander>

                    <Expander Header="Disabled expander" IsEnabled="False" />

                </StackPanel>

            </ScrollViewer>

        </TabItem>

    </TabControl>

</Window>

using Avalonia.Controls;

namespace Seek.Theme.Demo;

public partial class MainWindow : Window

{

    public MainWindow()

    {

        InitializeComponent();

    }

}

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using Avalonia;

using System;

namespace Seek.Theme.Demo;

class Program

{

    // Initialization code. Don't use any Avalonia, third-party APIs or any

    // SynchronizationContext-reliant code before AppMain is called: things aren't initialized

    // yet and stuff might break.

    [STAThread]

    public static void Main(string[] args) => BuildAvaloniaApp()

        .StartWithClassicDesktopLifetime(args);

    // Avalonia configuration, don't remove; also used by visual designer.

    public static AppBuilder BuildAvaloniaApp()

        => AppBuilder.Configure<App>()

            .UsePlatformDetect()

            .WithInterFont()

            .LogToTrace();

}

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