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fix: fix breadcrumb memory leakage (with sandbox memorysnapshot verfied)

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This commit is contained in:
Dong Bin
2025-02-10 11:59:01 +08:00
parent ada5385554
commit 42744a30ca
6 changed files with 39 additions and 93 deletions
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21
demo/Sandbox/ViewModels/MainWindowViewModel.cs
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@@ -5,26 +5,5 @@ namespace Sandbox.ViewModels;
public partial class MainWindowViewModel : ViewModelBase
{
public ObservableCollection<DataGridItem> Items { get; set; }
public MainWindowViewModel()
{
Items = new ObservableCollection<DataGridItem>()
{
new DataGridItem() { Name = "John Doe", Age = 42 },
new DataGridItem() { Name = "Jane Doe", Age = 39 },
new DataGridItem() { Name = "Sammy Doe", Age = 13 },
new DataGridItem() { Name = "Barry Doe", Age = 7 },
new DataGridItem() { Name = "Molly Doe", Age = 5 },
};
}
}
public class DataGridItem
{
public string? Name { get; set; }
public int Age { get; set; }
public IPAddress? Address { get; set; }
}

23
demo/Sandbox/Views/MainWindow.axaml
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@@ -7,19 +7,28 @@
mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
x:Class="Sandbox.Views.MainWindow"
x:DataType="vm:MainWindowViewModel"
xmlns:sys="using:System"
Icon="/Assets/avalonia-logo.ico"
Title="Sandbox">
<Design.DataContext>
<!-- This only sets the DataContext for the previewer in an IDE,
to set the actual DataContext for runtime, set the DataContext property in code (look at App.axaml.cs) -->
<vm:MainWindowViewModel />
</Design.DataContext>
<u:UrsaView>
<Panel>
<StackPanel>
<Button Content="???" Click="Button_OnClick"></Button>
<u:OverlayDialogHost HostId="root"></u:OverlayDialogHost>
</Panel>
</u:UrsaView>
<ContentControl Name="content">
<ContentControl.DataTemplates>
<DataTemplate DataType="x:Int32">
<u:Breadcrumb Separator="·" Classes="Margin">
<u:BreadcrumbItem Content="a" />
<u:BreadcrumbItem Content="b" />
<u:BreadcrumbItem Content="c" />
</u:Breadcrumb>
</DataTemplate>
<DataTemplate DataType="x:Double">
<TextBlock Text="Hello World"/>
</DataTemplate>
</ContentControl.DataTemplates>
</ContentControl>
</StackPanel>
</Window>

9
demo/Sandbox/Views/MainWindow.axaml.cs
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@@ -13,6 +13,13 @@ public partial class MainWindow : Window
private async void Button_OnClick(object? sender, RoutedEventArgs e)
{
var res = await OverlayDialog.ShowModal(new TextBlock() { Text = "sdfksjdl" }, "root");
if (content.Content is int s)
{
content.Content = 1.1;
}
else
{
content.Content = 1;
}
}
}

15
demo/Sandbox/Views/PW.axaml
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@@ -1,15 +0,0 @@
<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:u="https://irihi.tech/ursa"
MinHeight="200"
MinWidth="500"
mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
x:Class="Sandbox.Views.PW">
<Panel>
<Button Content="???" Click="Button_OnClick"></Button>
<Button Content="close" VerticalAlignment="Bottom" Click="Close"></Button>
<u:OverlayDialogHost x:Name="_overlayDialogHost" ></u:OverlayDialogHost>
</Panel>
</UserControl>

42
demo/Sandbox/Views/PW.axaml.cs
View File

@@ -1,42 +0,0 @@
using System;
using System.IO;
using Avalonia;
using Avalonia.Controls;
using Avalonia.Interactivity;
using Avalonia.Markup.Xaml;
using Irihi.Avalonia.Shared.Contracts;
using Sandbox.ViewModels;
using Ursa.Controls;
namespace Sandbox.Views;
public partial class PW : UserControl
{
public PW()
{
InitializeComponent();
_overlayDialogHost.HostId = _hostid;
}
private string _hostid = Path.GetRandomFileName();
private async void Button_OnClick(object? sender, RoutedEventArgs e)
{
Drawer.ShowCustom(new PW(), new TestVM(), _hostid);
}
private void Close(object? sender, RoutedEventArgs e)
{
(DataContext as TestVM)?.Close();
}
}
public class TestVM : ViewModelBase, IDialogContext
{
public void Close()
{
RequestClose?.Invoke(this, 12456789);
}
public event EventHandler<object?>? RequestClose;
}

18
src/Ursa/Controls/Breadcrumb/Breadcrumb.cs
View File

@@ -73,6 +73,19 @@ public class Breadcrumb: ItemsControl
static Breadcrumb()
{
ItemsPanelProperty.OverrideDefaultValue<Breadcrumb>(_defaultPanel);
SeparatorProperty.Changed.AddClassHandler<Breadcrumb, object?>((b, args) => b.OnSeparatorChanged(args));
}
private void OnSeparatorChanged(AvaloniaPropertyChangedEventArgs<object?> args)
{
if (GetSeparatorInstance(Separator) is { } a)
{
var breadcrumbItems = this.GetVisualDescendants().OfType<BreadcrumbItem>().ToList();
foreach (var item in breadcrumbItems)
{
item.Separator = a;
}
}
}
protected override bool NeedsContainerOverride(object? item, int index, out object? recycleKey)
@@ -94,11 +107,6 @@ public class Breadcrumb: ItemsControl
{
breadcrumbItem.Separator = a;
}
SeparatorProperty.Changed.AddClassHandler<Breadcrumb, object?>((_, args) =>
{
if (GetSeparatorInstance(args.NewValue.Value) is { } b)
breadcrumbItem.Separator = b;
});
}
if (container == item) return;