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@ -1,61 +1,137 @@ |
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using System; |
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using System.Runtime.InteropServices; |
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using Avalonia; |
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using Avalonia.Controls; |
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using Avalonia.Controls.Notifications; |
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using Avalonia.Input; |
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using Avalonia.Markup.Xaml; |
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using ControlCatalog.ViewModels; |
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using Avalonia.Media; |
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using Avalonia.Threading; |
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namespace ControlCatalog |
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{ |
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public class MainWindow : Window |
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public class TestControl : Control |
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{ |
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private WindowNotificationManager _notificationArea; |
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private NativeMenu _recentMenu; |
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private Random _r = new Random(); |
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public MainWindow() |
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private double angle = 45; |
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public TestControl() |
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{ |
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this.InitializeComponent(); |
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this.AttachDevTools(); |
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//Renderer.DrawFps = true;
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//Renderer.DrawDirtyRects = Renderer.DrawFps = true;
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DispatcherTimer t = new DispatcherTimer(); |
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t.Interval = TimeSpan.FromSeconds(0.0125); |
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_notificationArea = new WindowNotificationManager(this) |
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t.Tick += (sender, e) => |
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{ |
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Position = NotificationPosition.TopRight, |
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MaxItems = 3 |
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angle += 1; |
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Dispatcher.UIThread.Post(InvalidateVisual, DispatcherPriority.Background); |
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}; |
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DataContext = new MainWindowViewModel(_notificationArea); |
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_recentMenu = ((NativeMenu.GetMenu(this).Items[0] as NativeMenuItem).Menu.Items[2] as NativeMenuItem).Menu; |
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t.Start(); |
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} |
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const double degreeToRadians = Math.PI / 180.0; |
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private static double CalculateAngle(Point p1, Point p2) |
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{ |
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var xDiff = p2.X - p1.X; |
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var yDiff = p2.Y - p1.Y; |
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return Math.Atan2(yDiff, xDiff) * 180.0 / Math.PI; |
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} |
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private static double CalculateOppSide(double angle, double hyp) |
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{ |
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return Math.Sin(angle * degreeToRadians) * hyp; |
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} |
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private static double CalculateAdjSide(double angle, double hyp) |
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{ |
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return Math.Cos(angle * degreeToRadians) * hyp; |
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} |
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var mainMenu = this.FindControl<Menu>("MainMenu"); |
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mainMenu.AttachedToVisualTree += MenuAttached; |
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static Rect CalculateBounds(Point p1, Point p2, double thickness, double angleToCorner) |
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{ |
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var pts = TranslatePointsAlongTangent(p1, p2, angleToCorner + 90, thickness / 2); |
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return new Rect(pts.p1, pts.p2); |
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} |
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static (Point p1, Point p2) TranslatePointsAlongTangent(Point p1, Point p2, double angle, double distance) |
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{ |
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var xDiff = CalculateOppSide(angle, distance); |
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var yDiff = CalculateAdjSide(angle, distance); |
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public static string MenuQuitHeader => RuntimeInformation.IsOSPlatform(OSPlatform.OSX) ? "Quit Avalonia" : "E_xit"; |
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var c1 = new Point(p1.X + xDiff, p1.Y - yDiff); |
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var c2 = new Point(p1.X - xDiff, p1.Y + yDiff); |
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public static KeyGesture MenuQuitGesture => RuntimeInformation.IsOSPlatform(OSPlatform.OSX) ? |
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new KeyGesture(Key.Q, KeyModifiers.Meta) : |
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new KeyGesture(Key.F4, KeyModifiers.Alt); |
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var c3 = new Point(p2.X + xDiff, p2.Y - yDiff); |
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var c4 = new Point(p2.X - xDiff, p2.Y + yDiff); |
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public void MenuAttached(object sender, VisualTreeAttachmentEventArgs e) |
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var minX = Math.Min(c1.X, Math.Min(c2.X, Math.Min(c3.X, c4.X))); |
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var minY = Math.Min(c1.Y, Math.Min(c2.Y, Math.Min(c3.Y, c4.Y))); |
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var maxX = Math.Max(c1.X, Math.Max(c2.X, Math.Max(c3.X, c4.X))); |
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var maxY = Math.Max(c1.Y, Math.Max(c2.Y, Math.Max(c3.Y, c4.Y))); |
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return (new Point(minX, minY), new Point(maxX, maxY)); |
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} |
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static Rect CalculateBounds (Point p1, Point p2, Pen p) |
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{ |
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if (NativeMenu.GetIsNativeMenuExported(this) && sender is Menu mainMenu) |
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var angle = CalculateAngle(p1, p2); |
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var angleToCorner = 90 - angle; |
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if (p.LineCap != PenLineCap.Flat) |
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{ |
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mainMenu.IsVisible = false; |
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var pts = TranslatePointsAlongTangent(p1, p2, angleToCorner, p.Thickness / 2); |
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return CalculateBounds(pts.p1, pts.p2, p.Thickness, angleToCorner); |
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} |
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else |
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{ |
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return CalculateBounds(p1, p2, p.Thickness, angleToCorner); |
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} |
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} |
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public void OnOpenClicked(object sender, EventArgs args) |
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public override void Render(DrawingContext drawingContext) |
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{ |
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var lineLength = Math.Sqrt((100 * 100) + (100 * 100)); |
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var diffX = CalculateAdjSide(angle, lineLength); |
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var diffY = CalculateOppSide(angle, lineLength); |
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var p1 = new Point(400, 400); |
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var p2 = new Point(p1.X + diffX, p1.Y + diffY); |
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var pen = new Pen(Brushes.Green, 20, lineCap: PenLineCap.Round); |
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var boundPen = new Pen(Brushes.Black); |
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drawingContext.DrawLine(pen, p1, p2); |
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drawingContext.DrawRectangle(boundPen, CalculateBounds(p1, p2, pen)); |
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//Dispatcher.UIThread.Post(InvalidateVisual, DispatcherPriority.Background);
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} |
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} |
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public class TestControl1 : Control |
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{ |
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private Random _r = new Random(); |
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public override void Render(DrawingContext drawingContext) |
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{ |
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_recentMenu.Items.Insert(0, new NativeMenuItem("Item " + (_recentMenu.Items.Count + 1))); |
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drawingContext.FillRectangle(Brushes.Red, Bounds); |
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} |
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} |
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public void OnCloseClicked(object sender, EventArgs args) |
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/// <summary>
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/// Interaction logic for MainWindow.xaml
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/// </summary>
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public partial class MainWindow : Window |
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{ |
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public MainWindow() |
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{ |
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Close(); |
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InitializeComponent(); |
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} |
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private void InitializeComponent() |
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Dan Walmsley
6 years ago