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// Copyright (C) 2025 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Controls;
using System.Windows.Data;
using Microsoft.Internal.VisualStudio.PlatformUI;
using Microsoft.VisualStudio;
using Microsoft.VisualStudio.PlatformUI;
using Microsoft.VisualStudio.Shell;
using Microsoft.VisualStudio.Shell.Interop;
namespace QtVsTools.VisualStudio
{
public class SearchTask : VsSearchTask
{
private readonly Action _clearCallback;
private readonly Func<IEnumerable<string>, uint> _searchCallBack;
public SearchTask(uint cookie, IVsSearchQuery query, IVsSearchCallback callback,
Action clearCallback, Func<IEnumerable<string>, uint> searchCallBack)
: base(cookie, query, callback)
{
_clearCallback = clearCallback;
_searchCallBack = searchCallBack;
}
protected override void OnStartSearch()
{
ErrorCode = VSConstants.S_OK;
try {
ThreadHelper.JoinableTaskFactory.Run(async () =>
{
await ThreadHelper.JoinableTaskFactory.SwitchToMainThreadAsync();
if (TaskStatus != VSConstants.VsSearchTaskStatus.Stopped) {
SearchResults = _searchCallBack(
SearchUtilities.ExtractSearchTokens(SearchQuery).Select(token =>
{
ThreadHelper.ThrowIfNotOnUIThread();
return token.ParsedTokenText;
})
);
} else if (TaskStatus == VSConstants.VsSearchTaskStatus.Stopped) {
_clearCallback();
}
});
} catch {
ErrorCode = VSConstants.E_FAIL;
}
base.OnStartSearch();
}
protected override void OnStopSearch()
{
SearchResults = 0;
}
}
public abstract class VsWindowSearch : IVsWindowSearch
{
public abstract IVsSearchTask CreateSearch(uint cookie, IVsSearchQuery query,
IVsSearchCallback callback);
public virtual void ClearSearch()
{ }
public virtual void ProvideSearchSettings(IVsUIDataSource settings)
{
Utilities.SetValue(settings, SearchSettingsDataSource.PropertyNames.ControlMaxWidth,
(uint)10000);
Utilities.SetValue(settings, SearchSettingsDataSource.PropertyNames.SearchStartType,
(uint)VSSEARCHSTARTTYPE.SST_INSTANT);
}
public virtual bool OnNavigationKeyDown(uint dwNavigationKey, uint dwModifiers) => false;
public virtual bool SearchEnabled => true;
public virtual Guid Category => Guid.Empty;
public virtual IVsEnumWindowSearchFilters SearchFiltersEnum => null;
public virtual IVsEnumWindowSearchOptions SearchOptionsEnum => null;
}
public class ListBoxSearch : VsWindowSearch
{
private readonly ListBox _listBox;
private Action<string> _setSearchText;
public ListBoxSearch(ListBox listBox, Action<string> action)
{
_listBox = listBox;
_setSearchText = action;
}
public override IVsSearchTask CreateSearch(uint cookie, IVsSearchQuery query,
IVsSearchCallback callback)
{
return new SearchTask(cookie, query, callback, ClearSearch,
searchCallBack: tokens =>
{
_setSearchText(string.Join(" ", tokens));
var view = CollectionViewSource.GetDefaultView(_listBox.ItemsSource);
view.Refresh();
if (_listBox.Items.Count == 1 || _listBox.SelectedItem == null)
_listBox.SelectedIndex = 0;
return (uint)view.Cast<object>().Count();
});
}
public override void ClearSearch()
{
_setSearchText(string.Empty);
CollectionViewSource.GetDefaultView(_listBox.ItemsSource).Refresh();
}
}
}
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