Initial commit: .NET MAUI Linux Platform
Complete Linux platform implementation for .NET MAUI with:
- 35+ Skia-rendered controls (Button, Label, Entry, CarouselView, etc.)
- Platform services (Clipboard, FilePicker, Notifications, DragDrop, etc.)
- Accessibility support (AT-SPI2, High Contrast)
- HiDPI and Input Method support
- 216 unit tests
- CI/CD workflows
- Project templates
- Documentation
🤖 Generated with Claude Code
This commit is contained in:
logikonline
513
Views/SkiaTimePicker.cs
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513
Views/SkiaTimePicker.cs
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// Licensed to the .NET Foundation under one or more agreements.
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// The .NET Foundation licenses this file to you under the MIT license.
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using SkiaSharp;
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namespace Microsoft.Maui.Platform;
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/// <summary>
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/// Skia-rendered time picker control with clock popup.
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/// </summary>
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public class SkiaTimePicker : SkiaView
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{
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private TimeSpan _time = DateTime.Now.TimeOfDay;
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private bool _isOpen;
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private string _format = "t";
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private int _selectedHour;
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private int _selectedMinute;
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private bool _isSelectingHours = true;
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// Styling
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public SKColor TextColor { get; set; } = SKColors.Black;
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public SKColor BorderColor { get; set; } = new SKColor(0xBD, 0xBD, 0xBD);
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public SKColor ClockBackgroundColor { get; set; } = SKColors.White;
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public SKColor ClockFaceColor { get; set; } = new SKColor(0xF5, 0xF5, 0xF5);
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public SKColor SelectedColor { get; set; } = new SKColor(0x21, 0x96, 0xF3);
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public SKColor HeaderColor { get; set; } = new SKColor(0x21, 0x96, 0xF3);
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public float FontSize { get; set; } = 14;
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public float CornerRadius { get; set; } = 4;
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private const float ClockSize = 280;
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private const float ClockRadius = 100;
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private const float HeaderHeight = 80;
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public TimeSpan Time
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{
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get => _time;
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set
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{
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if (_time != value)
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{
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_time = value;
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_selectedHour = _time.Hours;
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_selectedMinute = _time.Minutes;
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TimeSelected?.Invoke(this, EventArgs.Empty);
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Invalidate();
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}
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}
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}
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public string Format
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{
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get => _format;
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set { _format = value; Invalidate(); }
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}
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public bool IsOpen
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{
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get => _isOpen;
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set { _isOpen = value; Invalidate(); }
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}
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public event EventHandler? TimeSelected;
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public SkiaTimePicker()
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{
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IsFocusable = true;
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_selectedHour = _time.Hours;
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_selectedMinute = _time.Minutes;
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}
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protected override void OnDraw(SKCanvas canvas, SKRect bounds)
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{
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DrawPickerButton(canvas, bounds);
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if (_isOpen)
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{
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DrawClockPopup(canvas, bounds);
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}
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}
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private void DrawPickerButton(SKCanvas canvas, SKRect bounds)
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{
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// Draw background
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using var bgPaint = new SKPaint
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{
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Color = IsEnabled ? BackgroundColor : new SKColor(0xF5, 0xF5, 0xF5),
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Style = SKPaintStyle.Fill,
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IsAntialias = true
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};
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canvas.DrawRoundRect(new SKRoundRect(bounds, CornerRadius), bgPaint);
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// Draw border
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using var borderPaint = new SKPaint
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{
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Color = IsFocused ? SelectedColor : BorderColor,
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Style = SKPaintStyle.Stroke,
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StrokeWidth = IsFocused ? 2 : 1,
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IsAntialias = true
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};
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canvas.DrawRoundRect(new SKRoundRect(bounds, CornerRadius), borderPaint);
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// Draw time text
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using var font = new SKFont(SKTypeface.Default, FontSize);
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using var textPaint = new SKPaint(font)
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{
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Color = IsEnabled ? TextColor : TextColor.WithAlpha(128),
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IsAntialias = true
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};
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var timeText = DateTime.Today.Add(_time).ToString(_format);
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var textBounds = new SKRect();
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textPaint.MeasureText(timeText, ref textBounds);
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var textX = bounds.Left + 12;
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var textY = bounds.MidY - textBounds.MidY;
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canvas.DrawText(timeText, textX, textY, textPaint);
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// Draw clock icon
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DrawClockIcon(canvas, new SKRect(bounds.Right - 36, bounds.MidY - 10, bounds.Right - 12, bounds.MidY + 10));
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}
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private void DrawClockIcon(SKCanvas canvas, SKRect bounds)
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{
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using var paint = new SKPaint
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{
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Color = IsEnabled ? TextColor : TextColor.WithAlpha(128),
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Style = SKPaintStyle.Stroke,
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StrokeWidth = 1.5f,
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IsAntialias = true
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};
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var centerX = bounds.MidX;
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var centerY = bounds.MidY;
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var radius = Math.Min(bounds.Width, bounds.Height) / 2 - 2;
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// Clock circle
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canvas.DrawCircle(centerX, centerY, radius, paint);
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// Hour hand
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canvas.DrawLine(centerX, centerY, centerX, centerY - radius * 0.5f, paint);
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// Minute hand
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canvas.DrawLine(centerX, centerY, centerX + radius * 0.4f, centerY, paint);
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// Center dot
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paint.Style = SKPaintStyle.Fill;
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canvas.DrawCircle(centerX, centerY, 1.5f, paint);
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}
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private void DrawClockPopup(SKCanvas canvas, SKRect bounds)
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{
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var popupRect = new SKRect(
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bounds.Left,
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bounds.Bottom + 4,
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bounds.Left + ClockSize,
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bounds.Bottom + 4 + HeaderHeight + ClockSize);
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// Draw shadow
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using var shadowPaint = new SKPaint
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{
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Color = new SKColor(0, 0, 0, 40),
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MaskFilter = SKMaskFilter.CreateBlur(SKBlurStyle.Normal, 4),
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Style = SKPaintStyle.Fill
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};
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canvas.DrawRoundRect(new SKRoundRect(new SKRect(popupRect.Left + 2, popupRect.Top + 2, popupRect.Right + 2, popupRect.Bottom + 2), CornerRadius), shadowPaint);
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// Draw background
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using var bgPaint = new SKPaint
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{
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Color = ClockBackgroundColor,
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Style = SKPaintStyle.Fill,
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IsAntialias = true
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};
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canvas.DrawRoundRect(new SKRoundRect(popupRect, CornerRadius), bgPaint);
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// Draw border
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using var borderPaint = new SKPaint
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{
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Color = BorderColor,
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Style = SKPaintStyle.Stroke,
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StrokeWidth = 1,
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IsAntialias = true
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};
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canvas.DrawRoundRect(new SKRoundRect(popupRect, CornerRadius), borderPaint);
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// Draw header with time display
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DrawTimeHeader(canvas, new SKRect(popupRect.Left, popupRect.Top, popupRect.Right, popupRect.Top + HeaderHeight));
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// Draw clock face
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DrawClockFace(canvas, new SKRect(popupRect.Left, popupRect.Top + HeaderHeight, popupRect.Right, popupRect.Bottom));
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}
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private void DrawTimeHeader(SKCanvas canvas, SKRect bounds)
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{
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// Draw header background
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using var headerPaint = new SKPaint
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{
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Color = HeaderColor,
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Style = SKPaintStyle.Fill
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};
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canvas.Save();
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canvas.ClipRoundRect(new SKRoundRect(new SKRect(bounds.Left, bounds.Top, bounds.Right, bounds.Top + CornerRadius * 2), CornerRadius));
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canvas.DrawRect(bounds, headerPaint);
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canvas.Restore();
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canvas.DrawRect(new SKRect(bounds.Left, bounds.Top + CornerRadius, bounds.Right, bounds.Bottom), headerPaint);
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// Draw time display
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using var font = new SKFont(SKTypeface.Default, 32);
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using var selectedPaint = new SKPaint(font)
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{
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Color = SKColors.White,
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IsAntialias = true
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};
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using var unselectedPaint = new SKPaint(font)
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{
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Color = new SKColor(255, 255, 255, 150),
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IsAntialias = true
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};
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var hourText = _selectedHour.ToString("D2");
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var minuteText = _selectedMinute.ToString("D2");
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var colonText = ":";
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var hourPaint = _isSelectingHours ? selectedPaint : unselectedPaint;
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var minutePaint = _isSelectingHours ? unselectedPaint : selectedPaint;
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var hourBounds = new SKRect();
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var colonBounds = new SKRect();
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var minuteBounds = new SKRect();
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hourPaint.MeasureText(hourText, ref hourBounds);
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selectedPaint.MeasureText(colonText, ref colonBounds);
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minutePaint.MeasureText(minuteText, ref minuteBounds);
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var totalWidth = hourBounds.Width + colonBounds.Width + minuteBounds.Width + 8;
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var startX = bounds.MidX - totalWidth / 2;
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var centerY = bounds.MidY - hourBounds.MidY;
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canvas.DrawText(hourText, startX, centerY, hourPaint);
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canvas.DrawText(colonText, startX + hourBounds.Width + 4, centerY, selectedPaint);
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canvas.DrawText(minuteText, startX + hourBounds.Width + colonBounds.Width + 8, centerY, minutePaint);
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}
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private void DrawClockFace(SKCanvas canvas, SKRect bounds)
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{
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var centerX = bounds.MidX;
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var centerY = bounds.MidY;
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// Draw clock face background
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using var facePaint = new SKPaint
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{
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Color = ClockFaceColor,
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Style = SKPaintStyle.Fill,
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IsAntialias = true
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};
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canvas.DrawCircle(centerX, centerY, ClockRadius + 20, facePaint);
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// Draw numbers
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using var font = new SKFont(SKTypeface.Default, 14);
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using var textPaint = new SKPaint(font)
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{
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Color = TextColor,
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IsAntialias = true
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};
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if (_isSelectingHours)
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{
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// Draw hour numbers (1-12)
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for (int i = 1; i <= 12; i++)
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{
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var angle = (i * 30 - 90) * Math.PI / 180;
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var x = centerX + (float)(ClockRadius * Math.Cos(angle));
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var y = centerY + (float)(ClockRadius * Math.Sin(angle));
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var numText = i.ToString();
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var textBounds = new SKRect();
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textPaint.MeasureText(numText, ref textBounds);
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var isSelected = (_selectedHour % 12 == i % 12);
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if (isSelected)
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{
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using var selectedBgPaint = new SKPaint
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{
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Color = SelectedColor,
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Style = SKPaintStyle.Fill,
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IsAntialias = true
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};
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canvas.DrawCircle(x, y, 18, selectedBgPaint);
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textPaint.Color = SKColors.White;
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}
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else
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{
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textPaint.Color = TextColor;
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}
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canvas.DrawText(numText, x - textBounds.MidX, y - textBounds.MidY, textPaint);
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}
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// Draw center point and hand
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DrawClockHand(canvas, centerX, centerY, (_selectedHour % 12) * 30 - 90, ClockRadius - 18);
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}
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else
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{
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// Draw minute numbers (0, 5, 10, ... 55)
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for (int i = 0; i < 12; i++)
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{
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var minute = i * 5;
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var angle = (minute * 6 - 90) * Math.PI / 180;
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var x = centerX + (float)(ClockRadius * Math.Cos(angle));
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var y = centerY + (float)(ClockRadius * Math.Sin(angle));
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var numText = minute.ToString("D2");
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var textBounds = new SKRect();
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textPaint.MeasureText(numText, ref textBounds);
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var isSelected = (_selectedMinute / 5 == i);
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if (isSelected)
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{
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using var selectedBgPaint = new SKPaint
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{
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Color = SelectedColor,
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Style = SKPaintStyle.Fill,
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IsAntialias = true
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};
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canvas.DrawCircle(x, y, 18, selectedBgPaint);
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textPaint.Color = SKColors.White;
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}
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else
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{
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textPaint.Color = TextColor;
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}
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canvas.DrawText(numText, x - textBounds.MidX, y - textBounds.MidY, textPaint);
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}
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// Draw center point and hand
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DrawClockHand(canvas, centerX, centerY, _selectedMinute * 6 - 90, ClockRadius - 18);
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}
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}
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private void DrawClockHand(SKCanvas canvas, float centerX, float centerY, float angleDegrees, float length)
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{
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var angle = angleDegrees * Math.PI / 180;
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var endX = centerX + (float)(length * Math.Cos(angle));
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var endY = centerY + (float)(length * Math.Sin(angle));
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using var handPaint = new SKPaint
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{
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Color = SelectedColor,
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Style = SKPaintStyle.Stroke,
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StrokeWidth = 2,
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IsAntialias = true
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};
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canvas.DrawLine(centerX, centerY, endX, endY, handPaint);
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// Center dot
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handPaint.Style = SKPaintStyle.Fill;
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canvas.DrawCircle(centerX, centerY, 6, handPaint);
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}
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public override void OnPointerPressed(PointerEventArgs e)
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{
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if (!IsEnabled) return;
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if (_isOpen)
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{
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var popupTop = Bounds.Bottom + 4;
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var popupLeft = Bounds.Left;
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// Check header click (toggle hours/minutes)
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if (e.Y >= popupTop && e.Y < popupTop + HeaderHeight)
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{
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var centerX = popupLeft + ClockSize / 2;
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if (e.X < centerX)
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{
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_isSelectingHours = true;
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}
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else
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{
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_isSelectingHours = false;
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}
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Invalidate();
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return;
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}
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// Check clock face click
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var clockCenterX = popupLeft + ClockSize / 2;
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var clockCenterY = popupTop + HeaderHeight + ClockSize / 2;
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var dx = e.X - clockCenterX;
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var dy = e.Y - clockCenterY;
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var distance = Math.Sqrt(dx * dx + dy * dy);
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if (distance <= ClockRadius + 20)
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{
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var angle = Math.Atan2(dy, dx) * 180 / Math.PI + 90;
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if (angle < 0) angle += 360;
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if (_isSelectingHours)
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{
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_selectedHour = ((int)Math.Round(angle / 30) % 12);
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if (_selectedHour == 0) _selectedHour = 12;
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// Preserve AM/PM
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if (_time.Hours >= 12 && _selectedHour != 12)
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_selectedHour += 12;
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else if (_time.Hours < 12 && _selectedHour == 12)
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_selectedHour = 0;
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_isSelectingHours = false; // Move to minutes
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}
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else
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{
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_selectedMinute = ((int)Math.Round(angle / 6) % 60);
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// Apply the time
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Time = new TimeSpan(_selectedHour, _selectedMinute, 0);
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_isOpen = false;
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}
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Invalidate();
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return;
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}
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// Click outside popup - close
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if (e.Y < popupTop)
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{
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_isOpen = false;
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}
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}
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else
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{
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_isOpen = true;
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_isSelectingHours = true;
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}
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Invalidate();
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}
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public override void OnKeyDown(KeyEventArgs e)
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{
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if (!IsEnabled) return;
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switch (e.Key)
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{
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case Key.Enter:
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case Key.Space:
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if (_isOpen)
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{
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if (_isSelectingHours)
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{
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_isSelectingHours = false;
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}
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else
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{
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Time = new TimeSpan(_selectedHour, _selectedMinute, 0);
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_isOpen = false;
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}
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}
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else
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{
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_isOpen = true;
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_isSelectingHours = true;
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}
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e.Handled = true;
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break;
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case Key.Escape:
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if (_isOpen)
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{
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_isOpen = false;
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e.Handled = true;
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}
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break;
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case Key.Up:
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if (_isSelectingHours)
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{
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_selectedHour = (_selectedHour + 1) % 24;
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}
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else
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{
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_selectedMinute = (_selectedMinute + 1) % 60;
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}
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e.Handled = true;
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break;
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case Key.Down:
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if (_isSelectingHours)
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{
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_selectedHour = (_selectedHour - 1 + 24) % 24;
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}
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else
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{
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_selectedMinute = (_selectedMinute - 1 + 60) % 60;
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}
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e.Handled = true;
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break;
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case Key.Left:
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case Key.Right:
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_isSelectingHours = !_isSelectingHours;
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e.Handled = true;
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break;
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}
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Invalidate();
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}
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protected override SKSize MeasureOverride(SKSize availableSize)
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{
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return new SKSize(
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availableSize.Width < float.MaxValue ? Math.Min(availableSize.Width, 200) : 200,
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40);
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}
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}
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Reference in New Issue
Block a user