[CmdPal] Add Sections and Separators for List Pages and Grid Pages (#43952)

<!-- Enter a brief description/summary of your PR here. What does it
fix/what does it change/how was it tested (even manually, if necessary)?
-->
## Summary of the Pull Request

This pull request adds sections and separators to ListPages and
GridPages

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## PR Checklist

- [x] Closes: #38267
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issues) -->
- [ ] **Communication:** I've discussed this with core contributors
already. If the work hasn't been agreed, this work might be rejected
- [ ] **Tests:** Added/updated and all pass
- [ ] **Localization:** All end-user-facing strings can be localized
- [ ] **Dev docs:** Added/updated
- [ ] **New binaries:** Added on the required places
- [ ] [JSON for
signing](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ESRPSigning_core.json)
for new binaries
- [ ] [WXS for
installer](https://github.com/microsoft/PowerToys/blob/main/installer/PowerToysSetup/Product.wxs)
for new binaries and localization folder
- [ ] [YML for CI
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ci/templates/build-powertoys-steps.yml)
for new test projects
- [ ] [YML for signed
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/release.yml)
- [ ] **Documentation updated:** If checked, please file a pull request
on [our docs
repo](https://github.com/MicrosoftDocs/windows-uwp/tree/docs/hub/powertoys)
and link it here: #xxx

<!-- Provide a more detailed description of the PR, other things fixed,
or any additional comments/features here -->
## Detailed Description of the Pull Request / Additional comments

Since `CollectionViewSource` was causing performance issues and
@zadjii-msft asked for a new approach, I came up with this idea, heavily
inspired by how separators work on the `ContextMenu`, `FiltersDropDown`
and `Details`.

The way this is currently working is: Any ListItem where `Section` is
not null and `Command` is null, is considered a Separator.

On my tests, this seems to be working fine. Tried to make this work
without changes to the API, but I think this needs to be discussed.

### Some of the possible enhancements to existing extensions

### Search apps

<img width="792" height="523" alt="Screenshot 2025-11-27 173618"
src="https://github.com/user-attachments/assets/f9f9a64d-3ec1-4f7e-922b-997a3a4d074d"
/>

### Window Walker

<img width="785" height="518" alt="Screenshot 2025-11-27 173728"
src="https://github.com/user-attachments/assets/230f647d-210a-4b60-9068-c8fff890d2c9"
/>

### Winget

<img width="809" height="497" alt="Screenshot 2025-11-27 174006"
src="https://github.com/user-attachments/assets/547529c1-7600-4438-8c3e-e872e0327650"
/>

### Search files

<img width="819" height="536" alt="image"
src="https://github.com/user-attachments/assets/e86accc0-3f85-412d-8fb0-914a5479baff"
/>

### Grid Pages

<img width="804" height="964" alt="Screenshot 2025-11-27 174055"
src="https://github.com/user-attachments/assets/a3bba7db-95df-47ec-9cfb-f38775ab960e"
/>



<!-- Describe how you validated the behavior. Add automated tests
wherever possible, but list manual validation steps taken as well -->
## Validation Steps Performed
This commit is contained in:
Guilherme
2025-12-10 23:51:42 -03:00
committed by GitHub
parent a08fc0921f
commit 94ace730c8
15 changed files with 1146 additions and 60 deletions

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// Copyright (c) Microsoft Corporation
// The Microsoft Corporation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using Microsoft.UI.Xaml.Controls;
using Windows.Foundation;
namespace Microsoft.CmdPal.UI.Controls;
internal sealed class UVBounds
{
public double UMin { get; }
public double UMax { get; }
public double VMin { get; }
public double VMax { get; }
public UVBounds(Orientation orientation, Rect rect)
{
if (orientation == Orientation.Horizontal)
{
UMin = rect.Left;
UMax = rect.Right;
VMin = rect.Top;
VMax = rect.Bottom;
}
else
{
UMin = rect.Top;
UMax = rect.Bottom;
VMin = rect.Left;
VMax = rect.Right;
}
}
}

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// Copyright (c) Microsoft Corporation
// The Microsoft Corporation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System.Diagnostics;
using Microsoft.UI.Xaml.Controls;
using Windows.Foundation;
namespace Microsoft.CmdPal.UI.Controls;
[DebuggerDisplay("U = {U} V = {V}")]
internal struct UvMeasure
{
internal double U { get; set; }
internal double V { get; set; }
internal static UvMeasure Zero => default(UvMeasure);
public UvMeasure(Orientation orientation, Size size)
: this(orientation, size.Width, size.Height)
{
}
public UvMeasure(Orientation orientation, double width, double height)
{
if (orientation == Orientation.Horizontal)
{
U = width;
V = height;
}
else
{
U = height;
V = width;
}
}
public UvMeasure Add(double u, double v)
{
UvMeasure result = default(UvMeasure);
result.U = U + u;
result.V = V + v;
return result;
}
public UvMeasure Add(UvMeasure measure)
{
return Add(measure.U, measure.V);
}
public Size ToSize(Orientation orientation)
{
if (orientation != Orientation.Horizontal)
{
return new Size(V, U);
}
return new Size(U, V);
}
public Point GetPoint(Orientation orientation)
{
return orientation is Orientation.Horizontal ? new Point(U, V) : new Point(V, U);
}
public Size GetSize(Orientation orientation)
{
return orientation is Orientation.Horizontal ? new Size(U, V) : new Size(V, U);
}
public static bool operator ==(UvMeasure measure1, UvMeasure measure2)
{
return measure1.U == measure2.U && measure1.V == measure2.V;
}
public static bool operator !=(UvMeasure measure1, UvMeasure measure2)
{
return !(measure1 == measure2);
}
public override bool Equals(object? obj)
{
return obj is UvMeasure measure && this == measure;
}
public bool Equals(UvMeasure value)
{
return this == value;
}
public override int GetHashCode()
{
return base.GetHashCode();
}
}

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// Copyright (c) Microsoft Corporation
// The Microsoft Corporation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using CommunityToolkit.WinUI.Controls;
using Microsoft.CmdPal.Core.ViewModels;
using Microsoft.UI.Xaml;
using Microsoft.UI.Xaml.Controls;
using Windows.Foundation;
namespace Microsoft.CmdPal.UI.Controls;
/// <summary>
/// Arranges elements by wrapping them to fit the available space.
/// When <see cref="Orientation"/> is set to Orientation.Horizontal, element are arranged in rows until the available width is reached and then to a new row.
/// When <see cref="Orientation"/> is set to Orientation.Vertical, element are arranged in columns until the available height is reached.
/// </summary>
public sealed partial class WrapPanel : Panel
{
private struct UvRect
{
public UvMeasure Position { get; set; }
public UvMeasure Size { get; set; }
public Rect ToRect(Orientation orientation)
{
return orientation switch
{
Orientation.Vertical => new Rect(Position.V, Position.U, Size.V, Size.U),
Orientation.Horizontal => new Rect(Position.U, Position.V, Size.U, Size.V),
_ => ThrowArgumentException(),
};
}
private static Rect ThrowArgumentException()
{
throw new ArgumentException("The input orientation is not valid.");
}
}
private struct Row
{
public List<UvRect> ChildrenRects { get; }
public UvMeasure Size { get; set; }
public UvRect Rect
{
get
{
UvRect result;
if (ChildrenRects.Count <= 0)
{
result = default(UvRect);
result.Position = UvMeasure.Zero;
result.Size = Size;
return result;
}
result = default(UvRect);
result.Position = ChildrenRects.First().Position;
result.Size = Size;
return result;
}
}
public Row(List<UvRect> childrenRects, UvMeasure size)
{
ChildrenRects = childrenRects;
Size = size;
}
public void Add(UvMeasure position, UvMeasure size)
{
ChildrenRects.Add(new UvRect
{
Position = position,
Size = size,
});
Size = new UvMeasure
{
U = position.U + size.U,
V = Math.Max(Size.V, size.V),
};
}
}
/// <summary>
/// Gets or sets a uniform Horizontal distance (in pixels) between items when <see cref="Orientation"/> is set to Horizontal,
/// or between columns of items when <see cref="Orientation"/> is set to Vertical.
/// </summary>
public double HorizontalSpacing
{
get { return (double)GetValue(HorizontalSpacingProperty); }
set { SetValue(HorizontalSpacingProperty, value); }
}
private bool IsSectionItem(UIElement element) => element is FrameworkElement fe && fe.DataContext is ListItemViewModel item && item.IsSectionOrSeparator;
/// <summary>
/// Identifies the <see cref="HorizontalSpacing"/> dependency property.
/// </summary>
public static readonly DependencyProperty HorizontalSpacingProperty =
DependencyProperty.Register(
nameof(HorizontalSpacing),
typeof(double),
typeof(WrapPanel),
new PropertyMetadata(0d, LayoutPropertyChanged));
/// <summary>
/// Gets or sets a uniform Vertical distance (in pixels) between items when <see cref="Orientation"/> is set to Vertical,
/// or between rows of items when <see cref="Orientation"/> is set to Horizontal.
/// </summary>
public double VerticalSpacing
{
get { return (double)GetValue(VerticalSpacingProperty); }
set { SetValue(VerticalSpacingProperty, value); }
}
/// <summary>
/// Identifies the <see cref="VerticalSpacing"/> dependency property.
/// </summary>
public static readonly DependencyProperty VerticalSpacingProperty =
DependencyProperty.Register(
nameof(VerticalSpacing),
typeof(double),
typeof(WrapPanel),
new PropertyMetadata(0d, LayoutPropertyChanged));
/// <summary>
/// Gets or sets the orientation of the WrapPanel.
/// Horizontal means that child controls will be added horizontally until the width of the panel is reached, then a new row is added to add new child controls.
/// Vertical means that children will be added vertically until the height of the panel is reached, then a new column is added.
/// </summary>
public Orientation Orientation
{
get { return (Orientation)GetValue(OrientationProperty); }
set { SetValue(OrientationProperty, value); }
}
/// <summary>
/// Identifies the <see cref="Orientation"/> dependency property.
/// </summary>
public static readonly DependencyProperty OrientationProperty =
DependencyProperty.Register(
nameof(Orientation),
typeof(Orientation),
typeof(WrapPanel),
new PropertyMetadata(Orientation.Horizontal, LayoutPropertyChanged));
/// <summary>
/// Gets or sets the distance between the border and its child object.
/// </summary>
/// <returns>
/// The dimensions of the space between the border and its child as a Thickness value.
/// Thickness is a structure that stores dimension values using pixel measures.
/// </returns>
public Thickness Padding
{
get { return (Thickness)GetValue(PaddingProperty); }
set { SetValue(PaddingProperty, value); }
}
/// <summary>
/// Identifies the Padding dependency property.
/// </summary>
/// <returns>The identifier for the <see cref="Padding"/> dependency property.</returns>
public static readonly DependencyProperty PaddingProperty =
DependencyProperty.Register(
nameof(Padding),
typeof(Thickness),
typeof(WrapPanel),
new PropertyMetadata(default(Thickness), LayoutPropertyChanged));
/// <summary>
/// Gets or sets a value indicating how to arrange child items
/// </summary>
public StretchChild StretchChild
{
get { return (StretchChild)GetValue(StretchChildProperty); }
set { SetValue(StretchChildProperty, value); }
}
/// <summary>
/// Identifies the <see cref="StretchChild"/> dependency property.
/// </summary>
/// <returns>The identifier for the <see cref="StretchChild"/> dependency property.</returns>
public static readonly DependencyProperty StretchChildProperty =
DependencyProperty.Register(
nameof(StretchChild),
typeof(StretchChild),
typeof(WrapPanel),
new PropertyMetadata(StretchChild.None, LayoutPropertyChanged));
/// <summary>
/// Identifies the IsFullLine attached dependency property.
/// If true, the child element will occupy the entire width of the panel and force a line break before and after itself.
/// </summary>
public static readonly DependencyProperty IsFullLineProperty =
DependencyProperty.RegisterAttached(
"IsFullLine",
typeof(bool),
typeof(WrapPanel),
new PropertyMetadata(false, OnIsFullLineChanged));
public static bool GetIsFullLine(DependencyObject obj)
{
return (bool)obj.GetValue(IsFullLineProperty);
}
public static void SetIsFullLine(DependencyObject obj, bool value)
{
obj.SetValue(IsFullLineProperty, value);
}
private static void OnIsFullLineChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
if (FindVisualParentWrapPanel(d) is WrapPanel wp)
{
wp.InvalidateMeasure();
}
}
private static WrapPanel? FindVisualParentWrapPanel(DependencyObject child)
{
var parent = Microsoft.UI.Xaml.Media.VisualTreeHelper.GetParent(child);
while (parent != null)
{
if (parent is WrapPanel wrapPanel)
{
return wrapPanel;
}
parent = Microsoft.UI.Xaml.Media.VisualTreeHelper.GetParent(parent);
}
return null;
}
private static void LayoutPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
if (d is WrapPanel wp)
{
wp.InvalidateMeasure();
wp.InvalidateArrange();
}
}
private readonly List<Row> _rows = new List<Row>();
/// <inheritdoc />
protected override Size MeasureOverride(Size availableSize)
{
var childAvailableSize = new Size(
availableSize.Width - Padding.Left - Padding.Right,
availableSize.Height - Padding.Top - Padding.Bottom);
foreach (var child in Children)
{
child.Measure(childAvailableSize);
}
var requiredSize = UpdateRows(availableSize);
return requiredSize;
}
/// <inheritdoc />
protected override Size ArrangeOverride(Size finalSize)
{
if ((Orientation == Orientation.Horizontal && finalSize.Width < DesiredSize.Width) ||
(Orientation == Orientation.Vertical && finalSize.Height < DesiredSize.Height))
{
// We haven't received our desired size. We need to refresh the rows.
UpdateRows(finalSize);
}
if (_rows.Count > 0)
{
// Now that we have all the data, we do the actual arrange pass
var childIndex = 0;
foreach (var row in _rows)
{
foreach (var rect in row.ChildrenRects)
{
var child = Children[childIndex++];
while (child.Visibility == Visibility.Collapsed)
{
// Collapsed children are not added into the rows,
// we skip them.
child = Children[childIndex++];
}
var arrangeRect = new UvRect
{
Position = rect.Position,
Size = new UvMeasure { U = rect.Size.U, V = row.Size.V },
};
var finalRect = arrangeRect.ToRect(Orientation);
child.Arrange(finalRect);
}
}
}
return finalSize;
}
private Size UpdateRows(Size availableSize)
{
_rows.Clear();
var paddingStart = new UvMeasure(Orientation, Padding.Left, Padding.Top);
var paddingEnd = new UvMeasure(Orientation, Padding.Right, Padding.Bottom);
if (Children.Count == 0)
{
return paddingStart.Add(paddingEnd).ToSize(Orientation);
}
var parentMeasure = new UvMeasure(Orientation, availableSize.Width, availableSize.Height);
var spacingMeasure = new UvMeasure(Orientation, HorizontalSpacing, VerticalSpacing);
var position = new UvMeasure(Orientation, Padding.Left, Padding.Top);
var currentRow = new Row(new List<UvRect>(), default);
var finalMeasure = new UvMeasure(Orientation, width: 0.0, height: 0.0);
void CommitRow()
{
// Only adds if the row has a content
if (currentRow.ChildrenRects.Count > 0)
{
_rows.Add(currentRow);
position.V += currentRow.Size.V + spacingMeasure.V;
}
position.U = paddingStart.U;
currentRow = new Row(new List<UvRect>(), default);
}
void Arrange(UIElement child, bool isLast = false)
{
if (child.Visibility == Visibility.Collapsed)
{
return;
}
var isFullLine = IsSectionItem(child);
var desiredMeasure = new UvMeasure(Orientation, child.DesiredSize);
if (isFullLine)
{
if (currentRow.ChildrenRects.Count > 0)
{
CommitRow();
}
// Forces the width to fill all the available space
// (Total width - Padding Left - Padding Right)
desiredMeasure.U = parentMeasure.U - paddingStart.U - paddingEnd.U;
// Adds the Section Header to the row
currentRow.Add(position, desiredMeasure);
// Updates the global measures
position.U += desiredMeasure.U + spacingMeasure.U;
finalMeasure.U = Math.Max(finalMeasure.U, position.U);
CommitRow();
}
else
{
// Checks if the item can fit in the row
if ((desiredMeasure.U + position.U + paddingEnd.U) > parentMeasure.U)
{
CommitRow();
}
if (isLast)
{
desiredMeasure.U = parentMeasure.U - position.U;
}
currentRow.Add(position, desiredMeasure);
position.U += desiredMeasure.U + spacingMeasure.U;
finalMeasure.U = Math.Max(finalMeasure.U, position.U);
}
}
var lastIndex = Children.Count - 1;
for (var i = 0; i < lastIndex; i++)
{
Arrange(Children[i]);
}
Arrange(Children[lastIndex], StretchChild == StretchChild.Last);
if (currentRow.ChildrenRects.Count > 0)
{
_rows.Add(currentRow);
}
if (_rows.Count == 0)
{
return paddingStart.Add(paddingEnd).ToSize(Orientation);
}
var lastRowRect = _rows.Last().Rect;
finalMeasure.V = lastRowRect.Position.V + lastRowRect.Size.V;
return finalMeasure.Add(paddingEnd).ToSize(Orientation);
}
}