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Preview 3: Complete control implementation with XAML data binding

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Major milestone adding full control functionality:

Controls Enhanced:
- Entry/Editor: Full keyboard input, cursor navigation, selection, clipboard
- CollectionView: Data binding, selection highlighting, scrolling
- CheckBox/Switch/Slider: Interactive state management
- Picker/DatePicker/TimePicker: Dropdown selection with popup overlays
- ProgressBar/ActivityIndicator: Animated progress display
- Button: Press/release visual states
- Border/Frame: Rounded corners, stroke styling
- Label: Text wrapping, alignment, decorations
- Grid/StackLayout: Margin and padding support

Features Added:
- DisplayAlert dialogs with button actions
- NavigationPage with toolbar and back navigation
- Shell with flyout menu navigation
- XAML value converters for data binding
- Margin support in all layout containers
- Popup overlay system for pickers

New Samples:
- TodoApp: Full CRUD task manager with NavigationPage
- ShellDemo: Comprehensive control showcase

Removed:
- ControlGallery (replaced by ShellDemo)
- LinuxDemo (replaced by TodoApp)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
logikonline
2025-12-21 13:26:56 -05:00
parent f945d2a537
commit 1d55ac672a
142 changed files with 38925 additions and 4201 deletions
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228
Views/SkiaSwitch.cs
View File

@@ -6,37 +6,204 @@ using SkiaSharp;
namespace Microsoft.Maui.Platform;
/// <summary>
/// Skia-rendered toggle switch control.
/// Skia-rendered toggle switch control with full XAML styling support.
/// </summary>
public class SkiaSwitch : SkiaView
{
private bool _isOn;
private float _animationProgress; // 0 = off, 1 = on
#region BindableProperties
/// <summary>
/// Bindable property for IsOn.
/// </summary>
public static readonly BindableProperty IsOnProperty =
BindableProperty.Create(
nameof(IsOn),
typeof(bool),
typeof(SkiaSwitch),
false,
BindingMode.TwoWay,
propertyChanged: (b, o, n) => ((SkiaSwitch)b).OnIsOnChanged());
/// <summary>
/// Bindable property for OnTrackColor.
/// </summary>
public static readonly BindableProperty OnTrackColorProperty =
BindableProperty.Create(
nameof(OnTrackColor),
typeof(SKColor),
typeof(SkiaSwitch),
new SKColor(0x21, 0x96, 0xF3),
propertyChanged: (b, o, n) => ((SkiaSwitch)b).Invalidate());
/// <summary>
/// Bindable property for OffTrackColor.
/// </summary>
public static readonly BindableProperty OffTrackColorProperty =
BindableProperty.Create(
nameof(OffTrackColor),
typeof(SKColor),
typeof(SkiaSwitch),
new SKColor(0x9E, 0x9E, 0x9E),
propertyChanged: (b, o, n) => ((SkiaSwitch)b).Invalidate());
/// <summary>
/// Bindable property for ThumbColor.
/// </summary>
public static readonly BindableProperty ThumbColorProperty =
BindableProperty.Create(
nameof(ThumbColor),
typeof(SKColor),
typeof(SkiaSwitch),
SKColors.White,
propertyChanged: (b, o, n) => ((SkiaSwitch)b).Invalidate());
/// <summary>
/// Bindable property for DisabledColor.
/// </summary>
public static readonly BindableProperty DisabledColorProperty =
BindableProperty.Create(
nameof(DisabledColor),
typeof(SKColor),
typeof(SkiaSwitch),
new SKColor(0xBD, 0xBD, 0xBD),
propertyChanged: (b, o, n) => ((SkiaSwitch)b).Invalidate());
/// <summary>
/// Bindable property for TrackWidth.
/// </summary>
public static readonly BindableProperty TrackWidthProperty =
BindableProperty.Create(
nameof(TrackWidth),
typeof(float),
typeof(SkiaSwitch),
52f,
propertyChanged: (b, o, n) => ((SkiaSwitch)b).InvalidateMeasure());
/// <summary>
/// Bindable property for TrackHeight.
/// </summary>
public static readonly BindableProperty TrackHeightProperty =
BindableProperty.Create(
nameof(TrackHeight),
typeof(float),
typeof(SkiaSwitch),
32f,
propertyChanged: (b, o, n) => ((SkiaSwitch)b).InvalidateMeasure());
/// <summary>
/// Bindable property for ThumbRadius.
/// </summary>
public static readonly BindableProperty ThumbRadiusProperty =
BindableProperty.Create(
nameof(ThumbRadius),
typeof(float),
typeof(SkiaSwitch),
12f,
propertyChanged: (b, o, n) => ((SkiaSwitch)b).Invalidate());
/// <summary>
/// Bindable property for ThumbPadding.
/// </summary>
public static readonly BindableProperty ThumbPaddingProperty =
BindableProperty.Create(
nameof(ThumbPadding),
typeof(float),
typeof(SkiaSwitch),
4f,
propertyChanged: (b, o, n) => ((SkiaSwitch)b).Invalidate());
#endregion
#region Properties
/// <summary>
/// Gets or sets whether the switch is on.
/// </summary>
public bool IsOn
{
get => _isOn;
set
{
if (_isOn != value)
{
_isOn = value;
_animationProgress = value ? 1f : 0f;
Toggled?.Invoke(this, new ToggledEventArgs(value));
Invalidate();
}
}
get => (bool)GetValue(IsOnProperty);
set => SetValue(IsOnProperty, value);
}
public SKColor OnTrackColor { get; set; } = new SKColor(0x21, 0x96, 0xF3);
public SKColor OffTrackColor { get; set; } = new SKColor(0x9E, 0x9E, 0x9E);
public SKColor ThumbColor { get; set; } = SKColors.White;
public SKColor DisabledColor { get; set; } = new SKColor(0xBD, 0xBD, 0xBD);
public float TrackWidth { get; set; } = 52;
public float TrackHeight { get; set; } = 32;
public float ThumbRadius { get; set; } = 12;
public float ThumbPadding { get; set; } = 4;
/// <summary>
/// Gets or sets the on track color.
/// </summary>
public SKColor OnTrackColor
{
get => (SKColor)GetValue(OnTrackColorProperty);
set => SetValue(OnTrackColorProperty, value);
}
/// <summary>
/// Gets or sets the off track color.
/// </summary>
public SKColor OffTrackColor
{
get => (SKColor)GetValue(OffTrackColorProperty);
set => SetValue(OffTrackColorProperty, value);
}
/// <summary>
/// Gets or sets the thumb color.
/// </summary>
public SKColor ThumbColor
{
get => (SKColor)GetValue(ThumbColorProperty);
set => SetValue(ThumbColorProperty, value);
}
/// <summary>
/// Gets or sets the disabled color.
/// </summary>
public SKColor DisabledColor
{
get => (SKColor)GetValue(DisabledColorProperty);
set => SetValue(DisabledColorProperty, value);
}
/// <summary>
/// Gets or sets the track width.
/// </summary>
public float TrackWidth
{
get => (float)GetValue(TrackWidthProperty);
set => SetValue(TrackWidthProperty, value);
}
/// <summary>
/// Gets or sets the track height.
/// </summary>
public float TrackHeight
{
get => (float)GetValue(TrackHeightProperty);
set => SetValue(TrackHeightProperty, value);
}
/// <summary>
/// Gets or sets the thumb radius.
/// </summary>
public float ThumbRadius
{
get => (float)GetValue(ThumbRadiusProperty);
set => SetValue(ThumbRadiusProperty, value);
}
/// <summary>
/// Gets or sets the thumb padding.
/// </summary>
public float ThumbPadding
{
get => (float)GetValue(ThumbPaddingProperty);
set => SetValue(ThumbPaddingProperty, value);
}
#endregion
private float _animationProgress; // 0 = off, 1 = on
/// <summary>
/// Event raised when the switch is toggled.
/// </summary>
public event EventHandler<ToggledEventArgs>? Toggled;
public SkiaSwitch()
@@ -44,6 +211,14 @@ public class SkiaSwitch : SkiaView
IsFocusable = true;
}
private void OnIsOnChanged()
{
_animationProgress = IsOn ? 1f : 0f;
Toggled?.Invoke(this, new ToggledEventArgs(IsOn));
SkiaVisualStateManager.GoToState(this, IsOn ? SkiaVisualStateManager.CommonStates.On : SkiaVisualStateManager.CommonStates.Off);
Invalidate();
}
protected override void OnDraw(SKCanvas canvas, SKRect bounds)
{
var centerY = bounds.MidY;
@@ -142,12 +317,21 @@ public class SkiaSwitch : SkiaView
}
}
protected override void OnEnabledChanged()
{
base.OnEnabledChanged();
SkiaVisualStateManager.GoToState(this, IsEnabled ? SkiaVisualStateManager.CommonStates.Normal : SkiaVisualStateManager.CommonStates.Disabled);
}
protected override SKSize MeasureOverride(SKSize availableSize)
{
return new SKSize(TrackWidth + 8, TrackHeight + 8);
}
}
/// <summary>
/// Event args for toggled events.
/// </summary>
public class ToggledEventArgs : EventArgs
{
public bool Value { get; }