ux: window border style

Signed-off-by: leo <longshuang@msn.cn>

Author: love-linger

src/Native/Windows.cs

@@ -67,7 +67,7 @@ public void SetupWindow(Window window)
         {
             window.ExtendClientAreaChromeHints = ExtendClientAreaChromeHints.NoChrome;
             window.ExtendClientAreaToDecorationsHint = true;
-            window.Classes.Add("fix_maximized_padding");
+            window.BorderThickness = new Thickness(1);
 
             Win32Properties.AddWndProcHookCallback(window, (IntPtr hWnd, uint msg, IntPtr _, IntPtr lParam, ref bool handled) =>
             {

src/Resources/Styles.axaml

@@ -24,25 +24,38 @@
   </Style>
 
   <Style Selector="Window">
-    <Setter Property="Background" Value="{DynamicResource Brush.Window}"/>
-    <Setter Property="BorderThickness" Value="1"/>
-    <Setter Property="BorderBrush" Value="{DynamicResource Brush.Border0}"/>
-    <Setter Property="SystemDecorations" Value="Full"/>
-    <Setter Property="Padding" Value="0"/>
-
     <Style.Resources>
       <SolidColorBrush x:Key="SystemControlErrorTextForegroundBrush" Color="Red"/>
       <Color x:Key="SystemErrorTextColor">Red</Color>
     </Style.Resources>
-  </Style>
-
-  <Style Selector="Window[WindowState=Maximized]">
+    
+    <Setter Property="Background" Value="{DynamicResource Brush.Window}"/>
     <Setter Property="BorderThickness" Value="0"/>
+    <Setter Property="BorderBrush" Value="{DynamicResource Brush.WindowBorder}"/>
+    <Setter Property="SystemDecorations" Value="Full"/>
     <Setter Property="Padding" Value="0"/>
-  </Style>
 
-  <Style Selector="Window[WindowState=Maximized].fix_maximized_padding">
-    <Setter Property="Padding" Value="8,6,8,8"/>
+    <Setter Property="Template">
+      <ControlTemplate>
+        <Border BorderThickness="{TemplateBinding BorderThickness}"
+                BorderBrush="{TemplateBinding BorderBrush}"
+                Background="{TemplateBinding Background}"
+                CornerRadius="{TemplateBinding CornerRadius}"
+                ClipToBounds="True">
+          <Border Margin="{TemplateBinding Padding}">
+            <VisualLayerManager>
+              <Border>
+                <ContentPresenter Name="PART_ContentPresenter"
+                                  ContentTemplate="{TemplateBinding ContentTemplate}"
+                                  Content="{TemplateBinding Content}"
+                                  HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
+                                  VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"/>
+              </Border>
+            </VisualLayerManager>
+          </Border>
+        </Border>
+      </ControlTemplate>
+    </Setter>
   </Style>
 
   <Style Selector="Window.custom_window_frame">

src/Resources/Themes.axaml

@@ -3,7 +3,7 @@
   <ResourceDictionary.ThemeDictionaries>
     <ResourceDictionary x:Key="Light">
       <Color x:Key="Color.Window">#FFF0F5F9</Color>
-      <Color x:Key="Color.WindowBorder">#00000000</Color>
+      <Color x:Key="Color.WindowBorder">#FF999999</Color>
       <Color x:Key="Color.TitleBar">#FFCFDEEA</Color>
       <Color x:Key="Color.ToolBar">#FFF0F5F9</Color>
       <Color x:Key="Color.Popup">#FFF8F8F8</Color>
@@ -30,7 +30,7 @@
 
     <ResourceDictionary x:Key="Dark">
       <Color x:Key="Color.Window">#FF252525</Color>
-      <Color x:Key="Color.WindowBorder">#FF444444</Color>
+      <Color x:Key="Color.WindowBorder">#FF606060</Color>
       <Color x:Key="Color.TitleBar">#FF1F1F1F</Color>
       <Color x:Key="Color.ToolBar">#FF2F2F2F</Color>
       <Color x:Key="Color.Popup">#FF2B2B2B</Color>

src/Views/ChromelessWindow.cs

@@ -1,5 +1,5 @@
 using System;
-
+using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Controls.Primitives;
 using Avalonia.Input;
@@ -74,6 +74,25 @@ protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
             }
         }
 
+        protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change)
+        {
+            base.OnPropertyChanged(change);
+
+            if (change.Property == WindowStateProperty && OperatingSystem.IsWindows())
+            {
+                if (WindowState == WindowState.Maximized)
+                {
+                    BorderThickness = new Thickness(0);
+                    Padding = new Thickness(8, 6, 8, 8);
+                }
+                else
+                {
+                    BorderThickness = new Thickness(1);
+                    Padding = new Thickness(0);
+                }
+            }
+        }
+
         protected override void OnKeyDown(KeyEventArgs e)
         {
             base.OnKeyDown(e);