Chardonnay UI bug fixes and improvements

- Theme changes do not require restart
- Fix some text appearing black in dark mode
- Fix dialog boxes not appearing correctly on Windows
- Fix queue vertical scroll bar overlapping items

Source/LibationAvalonia/App.axaml

@@ -2,6 +2,7 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:local="using:LibationAvalonia"
              xmlns:controls="using:LibationAvalonia.Controls"
+             xmlns:dialogs="using:LibationAvalonia.Dialogs"
 			 x:Class="LibationAvalonia.App"
              Name="Libation">
 
@@ -12,6 +13,10 @@
 	<Application.Resources>
 
 		<ResourceDictionary>
+			<ControlTheme x:Key="{x:Type TextBlock}" TargetType="TextBlock">
+				<Setter Property="Foreground" Value="{DynamicResource TextControlForeground}" />
+				<Setter Property="Background" Value="Transparent" />
+			</ControlTheme>
 			<ResourceDictionary.ThemeDictionaries>
 				<ResourceDictionary x:Key="Light">
 					<SolidColorBrush x:Key="SeriesEntryGridBackgroundBrush" Opacity="0.3" Color="#abffab" />
@@ -81,6 +86,60 @@
 			<!-- It's called AutoHide, but this is really the mouseover shrink/expand. -->
             <Setter Property="AllowAutoHide" Value="false"/>
 		</Style>
+
+		<Style Selector="dialogs|DialogWindow">
+			<Style Selector="^[UseCustomTitleBar=false]">
+				<Setter Property="SystemDecorations" Value="Full"/>
+				<Setter Property="Template">
+					<ControlTemplate>
+						<ContentPresenter Background="{DynamicResource SystemControlBackgroundAltHighBrush}" Content="{TemplateBinding Content}" />
+					</ControlTemplate>
+				</Setter>
+			</Style>
+			<Style Selector="^[UseCustomTitleBar=true]">
+				<Setter Property="SystemDecorations" Value="BorderOnly"/>
+				<Setter Property="Template">
+					<ControlTemplate>
+						<Panel Background="{DynamicResource SystemControlBackgroundAltHighBrush}">
+							<Grid RowDefinitions="30,*">
+								<Border Name="DialogWindowTitleBorder" Margin="5,0" Background="{DynamicResource SystemAltMediumColor}">
+									<Border.Styles>
+										<Style Selector="Button#DialogCloseButton">
+											<Style Selector="^:pointerover">
+												<Style Selector="^ /template/ ContentPresenter#PART_ContentPresenter">
+													<Setter Property="Background" Value="Red" />
+												</Style>
+												<Style Selector="^ Path">
+													<Setter Property="Fill" Value="{DynamicResource IconFill}" />
+												</Style>
+											</Style>
+											<Style Selector="^:not(:pointerover) /template/ ContentPresenter#PART_ContentPresenter">
+												<Setter Property="Background" Value="Transparent" />
+												<Setter Property="BorderBrush" Value="Transparent" />
+											</Style>
+										</Style>
+									</Border.Styles>
+								
+									<Grid ColumnDefinitions="Auto,*,Auto">
+
+										<Path Name="DialogWindowTitleIcon" Margin="3,5,0,5" Fill="{DynamicResource IconFill}" Stretch="Uniform"  Data="{StaticResource LibationGlassIcon}"/>
+									
+										<TextBlock Name="DialogWindowTitleTextBlock" Margin="8,0,0,0" VerticalAlignment="Center" FontWeight="DemiBold" FontSize="12" Grid.Column="1" Text="{TemplateBinding Title}" />
+
+										<Button Name="DialogCloseButton" Grid.Column="2">
+											<Path Fill="{DynamicResource SystemControlBackgroundBaseLowBrush}" VerticalAlignment="Center" Stretch="Uniform" RenderTransform="{StaticResource Rotate45Transform}" Data="{StaticResource CancelButtonIcon}" />
+										</Button>
+									</Grid>
+								</Border>
+								<Path Stroke="{DynamicResource SystemBaseMediumLowColor}" StrokeThickness="1" VerticalAlignment="Bottom" Stretch="Fill" Data="M0,0 L1,0" />
+								<ContentPresenter Grid.Row="1" Content="{TemplateBinding Content}" />
+							</Grid>
+						</Panel>
+					</ControlTemplate>
+				</Setter>
+			</Style>
+		</Style>
+		
 	</Application.Styles>
 
 	<NativeMenu.Menu>

Source/LibationAvalonia/Assets/LibationVectorIcons.xaml

@@ -91,6 +91,32 @@
 		   S 192,128 147,147
 	   </StreamGeometry>
 	   
+	   <StreamGeometry  x:Key="LibationGlassIcon">
+		   M262,8
+		   h-117
+		   a 192,200 0 0 0 -36,82
+		   a 222,334 41 0 0 138,236
+		   v158
+		   h-81
+		   a 16,16 0 0 0 0,32
+		   h192
+		   a 16 16 0 0 0 0,-32
+		   h-81
+		   v-158
+		   a 222,334 -41 0 0 138,-236
+		   a 192,200 0 0 0 -36,-82
+		   h-117
+		   m-99,30
+		   a 192,200 0 0 0 -26,95
+		   a 187.5,334 35 0 0 125,159
+		   a 187.5,334 -35 0 0 125,-159
+		   a 192,200 0 0 0 -26,-95
+		   h-198
+		   M158,136
+		   a 168,305 35 0 0 104,136
+		   a 168,305 -35 0 0 104,-136
+	   </StreamGeometry>
+	   
    </ResourceDictionary>
   </Styles.Resources>
 </Styles>

Source/LibationAvalonia/Controls/Settings/Important.axaml

@@ -166,16 +166,7 @@
 				MinWidth="80"
 				SelectedItem="{CompiledBinding ThemeVariant, Mode=TwoWay}"
 				ItemsSource="{CompiledBinding Themes}"/>
-
+			
-			<TextBlock
-				Grid.Column="2"
-				FontSize="16"
-				FontWeight="Bold"
-				Margin="10,0"
-				VerticalAlignment="Center"
-				IsVisible="{CompiledBinding	SelectionChanged}"
-				Text="Theme change takes effect on restart"/>
-
 		</Grid>
 	</Grid>
 </UserControl>

Source/LibationAvalonia/Dialogs/DialogWindow.cs

@@ -1,4 +1,6 @@
-using Avalonia.Controls;
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Controls.Primitives;
 using LibationFileManager;
 using System;
 using System.Threading.Tasks;
@@ -9,19 +11,98 @@ namespace LibationAvalonia.Dialogs
 	{
 		public bool SaveAndRestorePosition { get; set; } = true;
 		public Control ControlToFocusOnShow { get; set; }
+		protected override Type StyleKeyOverride => typeof(DialogWindow);
+
+		public static readonly StyledProperty<bool> UseCustomTitleBarProperty =
+		AvaloniaProperty.Register<DialogWindow, bool>(nameof(UseCustomTitleBar));
+
+		public bool UseCustomTitleBar
+		{
+			get { return GetValue(UseCustomTitleBarProperty); }
+			set { SetValue(UseCustomTitleBarProperty, value); }
+		}
+
 		public DialogWindow()
 		{
-			this.HideMinMaxBtns();
+			KeyDown += DialogWindow_KeyDown;
-			this.KeyDown += DialogWindow_KeyDown;
+			Initialized += DialogWindow_Initialized;
-			this.Initialized += DialogWindow_Initialized;
+			Opened += DialogWindow_Opened;
-			this.Opened += DialogWindow_Opened;
+			Closing += DialogWindow_Closing;
-			this.Closing += DialogWindow_Closing;
+
+			UseCustomTitleBar = Configuration.IsWindows;
 		}
+
+		private bool fixedMinHeight = false;
+		private bool fixedMaxHeight = false;
+		private bool fixedHeight = false;
+
+		protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change)
+		{
+			const int customTitleBarHeight = 30;
+			if (UseCustomTitleBar)
+			{
+				if (change.Property == MinHeightProperty && !fixedMinHeight)
+				{
+					fixedMinHeight = true;
+					MinHeight += customTitleBarHeight;
+					fixedMinHeight = false;
+				}
+				if (change.Property == MaxHeightProperty && !fixedMaxHeight)
+				{
+					fixedMaxHeight = true;
+					MaxHeight += customTitleBarHeight;
+					fixedMaxHeight = false;
+				}
+				if (change.Property == HeightProperty && !fixedHeight)
+				{
+					fixedHeight = true;
+					Height += customTitleBarHeight;
+					fixedHeight = false;
+				}
+			}
+			base.OnPropertyChanged(change);
+		}
+
 		public DialogWindow(bool saveAndRestorePosition) : this()
 		{
 			SaveAndRestorePosition = saveAndRestorePosition;
 		}
 
+		protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
+		{
+			base.OnApplyTemplate(e);
+
+			if (!UseCustomTitleBar)
+				return;
+
+			var closeButton = e.NameScope.Find<Button>("DialogCloseButton");
+			var border = e.NameScope.Get<Border>("DialogWindowTitleBorder");
+			var titleBlock = e.NameScope.Get<TextBlock>("DialogWindowTitleTextBlock");
+			var icon = e.NameScope.Get<Avalonia.Controls.Shapes.Path>("DialogWindowTitleIcon");
+
+			closeButton.Click += CloseButton_Click;
+			border.PointerPressed += Border_PointerPressed;
+			icon.IsVisible = Icon != null;
+
+			if (MinHeight == MaxHeight && MinWidth == MaxWidth)
+			{
+				CanResize = false;
+				border.Margin = new Thickness(0);
+				icon.Margin = new Thickness(8, 5, 0, 5);
+			}
+		}
+
+		private void Border_PointerPressed(object sender, Avalonia.Input.PointerPressedEventArgs e)
+		{
+			if (e.GetCurrentPoint(null).Properties.IsLeftButtonPressed)
+				BeginMoveDrag(e);
+		}
+
+		private void CloseButton_Click(object sender, Avalonia.Interactivity.RoutedEventArgs e)
+		{
+			CancelAndClose();
+		}
+
 		private void DialogWindow_Initialized(object sender, EventArgs e)
 		{
 			this.WindowStartupLocation = WindowStartupLocation.CenterOwner;

Source/LibationAvalonia/Dialogs/ScanAccountsDialog.axaml.cs

@@ -25,7 +25,6 @@ namespace LibationAvalonia.Dialogs
 		{
 			InitializeComponent();
 
-			this.HideMinMaxBtns();
 			ControlToFocusOnShow = this.FindControl<Button>(nameof(ImportButton));
 
 			LoadAccounts();

Source/LibationAvalonia/Dialogs/SearchSyntaxDialog.axaml.cs

@@ -12,8 +12,6 @@ namespace LibationAvalonia.Dialogs
 		{
 			InitializeComponent();
 
-			this.HideMinMaxBtns();
-
 			StringFields = @"
 Search for wizard of oz:
      title:oz

Source/LibationAvalonia/FormSaveExtension.cs

@@ -109,23 +109,5 @@ namespace LibationAvalonia
 			public int Width;
 			public bool IsMaximized;
 		}
-
-		public static void HideMinMaxBtns(this Window form)
-		{
-			if (Design.IsDesignMode || !Configuration.IsWindows || form.TryGetPlatformHandle() is not IPlatformHandle handle)
-				return;
-
-			var currentStyle = GetWindowLong(handle.Handle, GWL_STYLE);
-
-			SetWindowLong(handle.Handle, GWL_STYLE, currentStyle & ~WS_MAXIMIZEBOX & ~WS_MINIMIZEBOX);
-		}
-
-		const long WS_MINIMIZEBOX = 0x00020000L;
-		const long WS_MAXIMIZEBOX = 0x10000L;
-		const int GWL_STYLE = -16;
-		[System.Runtime.InteropServices.DllImport("user32.dll", EntryPoint = "GetWindowLong")]
-		static extern long GetWindowLong(IntPtr hWnd, int nIndex);
-		[System.Runtime.InteropServices.DllImport("user32.dll")]
-		static extern int SetWindowLong(IntPtr hWnd, int nIndex, long dwNewLong);
 	}
 }

Source/LibationAvalonia/MessageBox.cs

@@ -165,8 +165,6 @@ Libation.
 
 			var dialog = new MessageBoxWindow(saveAndRestorePosition);
 
-			dialog.HideMinMaxBtns();
-
 			var vm = new MessageBoxViewModel(message, caption, buttons, icon, defaultButton);
 			dialog.DataContext = vm;
 			dialog.ControlToFocusOnShow = dialog.FindControl<Control>(defaultButton.ToString());
@@ -190,11 +188,13 @@ Libation.
 
 			tbx.Height = tbx.DesiredSize.Height;
 			tbx.Width = tbx.DesiredSize.Width;
-			dialog.MinHeight = vm.FormHeightFromTboxHeight((int)tbx.DesiredSize.Height);
+
+			var absoluteHeight = vm.FormHeightFromTboxHeight((int)tbx.DesiredSize.Height);
+			dialog.MinHeight = absoluteHeight;
 			dialog.MinWidth = vm.FormWidthFromTboxWidth((int)tbx.DesiredSize.Width);
-			dialog.MaxHeight = dialog.MinHeight;
+			dialog.MaxHeight = absoluteHeight;
 			dialog.MaxWidth = dialog.MinWidth;
-			dialog.Height = dialog.MinHeight;
+			dialog.Height = absoluteHeight;
 			dialog.Width = dialog.MinWidth;
 			return dialog;
 		}

Source/LibationAvalonia/ViewModels/Settings/ImportantSettingsVM.cs

@@ -101,11 +101,14 @@ namespace LibationAvalonia.ViewModels.Settings
 			set
 			{
 				this.RaiseAndSetIfChanged(ref themeVariant, value);
-
+				App.Current.RequestedThemeVariant = themeVariant switch
-				SelectionChanged = ThemeVariant != initialThemeVariant;
+				{
-				this.RaisePropertyChanged(nameof(SelectionChanged));
+					nameof(Avalonia.Styling.ThemeVariant.Dark) => Avalonia.Styling.ThemeVariant.Dark,
+					nameof(Avalonia.Styling.ThemeVariant.Light) => Avalonia.Styling.ThemeVariant.Light,
+					// "System"
+					_ => Avalonia.Styling.ThemeVariant.Default
+				};
 			}
 		}
-		public bool SelectionChanged { get; private set; }
 	}
 }

Source/LibationAvalonia/Views/ProcessQueueControl.axaml

@@ -6,7 +6,7 @@
 	xmlns:views="clr-namespace:LibationAvalonia.Views"
 	xmlns:viewModels="clr-namespace:LibationAvalonia.ViewModels"
 	xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-	mc:Ignorable="d" d:DesignWidth="400" d:DesignHeight="850"
+	mc:Ignorable="d" d:DesignWidth="400" d:DesignHeight="650"
 	x:Class="LibationAvalonia.Views.ProcessQueueControl">
 
 	<UserControl.Resources>
@@ -39,7 +39,8 @@
 						<ScrollViewer
 							Name="scroller"
 							HorizontalScrollBarVisibility="Disabled"
-							VerticalScrollBarVisibility="Auto">
+							VerticalScrollBarVisibility="Auto"
+							AllowAutoHide="False">
 							<ItemsRepeater IsVisible="True"
 								Grid.Column="0"
 								Name="repeater"