Preview 3: Complete control implementation with XAML data binding
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>
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logikonline
@@ -153,4 +153,154 @@ public static class KeyMapping
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return modifiers;
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}
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// Linux evdev keycode to Key mapping (used by Wayland)
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private static readonly Dictionary<uint, Key> LinuxKeycodeToKey = new()
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{
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// Top row
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[1] = Key.Escape,
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[2] = Key.D1, [3] = Key.D2, [4] = Key.D3, [5] = Key.D4, [6] = Key.D5,
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[7] = Key.D6, [8] = Key.D7, [9] = Key.D8, [10] = Key.D9, [11] = Key.D0,
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[12] = Key.Minus, [13] = Key.Equals, [14] = Key.Backspace, [15] = Key.Tab,
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// QWERTY row
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[16] = Key.Q, [17] = Key.W, [18] = Key.E, [19] = Key.R, [20] = Key.T,
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[21] = Key.Y, [22] = Key.U, [23] = Key.I, [24] = Key.O, [25] = Key.P,
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[26] = Key.LeftBracket, [27] = Key.RightBracket, [28] = Key.Enter,
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// Control and ASDF row
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[29] = Key.Control,
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[30] = Key.A, [31] = Key.S, [32] = Key.D, [33] = Key.F, [34] = Key.G,
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[35] = Key.H, [36] = Key.J, [37] = Key.K, [38] = Key.L,
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[39] = Key.Semicolon, [40] = Key.Quote, [41] = Key.Grave,
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// Shift and ZXCV row
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[42] = Key.Shift, [43] = Key.Backslash,
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[44] = Key.Z, [45] = Key.X, [46] = Key.C, [47] = Key.V, [48] = Key.B,
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[49] = Key.N, [50] = Key.M,
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[51] = Key.Comma, [52] = Key.Period, [53] = Key.Slash, [54] = Key.Shift,
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// Bottom row
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[55] = Key.NumPadMultiply, [56] = Key.Alt, [57] = Key.Space,
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[58] = Key.CapsLock,
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// Function keys
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[59] = Key.F1, [60] = Key.F2, [61] = Key.F3, [62] = Key.F4,
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[63] = Key.F5, [64] = Key.F6, [65] = Key.F7, [66] = Key.F8,
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[67] = Key.F9, [68] = Key.F10,
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// NumLock and numpad
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[69] = Key.NumLock, [70] = Key.ScrollLock,
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[71] = Key.NumPad7, [72] = Key.NumPad8, [73] = Key.NumPad9, [74] = Key.NumPadSubtract,
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[75] = Key.NumPad4, [76] = Key.NumPad5, [77] = Key.NumPad6, [78] = Key.NumPadAdd,
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[79] = Key.NumPad1, [80] = Key.NumPad2, [81] = Key.NumPad3,
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[82] = Key.NumPad0, [83] = Key.NumPadDecimal,
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// More function keys
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[87] = Key.F11, [88] = Key.F12,
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// Extended keys
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[96] = Key.Enter, // NumPad Enter
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[97] = Key.Control, // Right Control
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[98] = Key.NumPadDivide,
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[99] = Key.PrintScreen,
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[100] = Key.Alt, // Right Alt
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[102] = Key.Home,
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[103] = Key.Up,
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[104] = Key.PageUp,
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[105] = Key.Left,
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[106] = Key.Right,
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[107] = Key.End,
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[108] = Key.Down,
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[109] = Key.PageDown,
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[110] = Key.Insert,
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[111] = Key.Delete,
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[119] = Key.Pause,
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[125] = Key.Super, // Left Super (Windows key)
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[126] = Key.Super, // Right Super
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[127] = Key.Menu,
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};
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/// <summary>
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/// Converts a Linux evdev keycode to a MAUI Key.
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/// Used for Wayland input where keycodes are offset by 8 from X11 keycodes.
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/// </summary>
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public static Key FromLinuxKeycode(uint keycode)
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{
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// Wayland uses evdev keycodes, X11 uses keycodes + 8
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// If caller added 8, subtract it
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var evdevCode = keycode >= 8 ? keycode - 8 : keycode;
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if (LinuxKeycodeToKey.TryGetValue(evdevCode, out var key))
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return key;
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return Key.Unknown;
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}
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/// <summary>
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/// Converts a Key to its character representation, if applicable.
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/// </summary>
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public static char? ToChar(Key key, KeyModifiers modifiers)
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{
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bool shift = modifiers.HasFlag(KeyModifiers.Shift);
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bool capsLock = modifiers.HasFlag(KeyModifiers.CapsLock);
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bool upper = shift ^ capsLock;
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// Letters
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if (key >= Key.A && key <= Key.Z)
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{
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char ch = (char)('a' + (key - Key.A));
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return upper ? char.ToUpper(ch) : ch;
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}
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// Numbers (with shift gives symbols)
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if (key >= Key.D0 && key <= Key.D9)
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{
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if (shift)
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{
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return (key - Key.D0) switch
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{
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0 => ')',
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1 => '!',
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2 => '@',
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3 => '#',
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4 => '$',
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5 => '%',
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6 => '^',
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7 => '&',
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8 => '*',
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9 => '(',
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_ => null
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};
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}
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return (char)('0' + (key - Key.D0));
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}
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// NumPad numbers
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if (key >= Key.NumPad0 && key <= Key.NumPad9)
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return (char)('0' + (key - Key.NumPad0));
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// Punctuation
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return key switch
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{
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Key.Space => ' ',
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Key.Comma => shift ? '<' : ',',
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Key.Period => shift ? '>' : '.',
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Key.Slash => shift ? '?' : '/',
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Key.Semicolon => shift ? ':' : ';',
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Key.Quote => shift ? '"' : '\'',
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Key.LeftBracket => shift ? '{' : '[',
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Key.RightBracket => shift ? '}' : ']',
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Key.Backslash => shift ? '|' : '\\',
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Key.Minus => shift ? '_' : '-',
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Key.Equals => shift ? '+' : '=',
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Key.Grave => shift ? '~' : '`',
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Key.NumPadAdd => '+',
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Key.NumPadSubtract => '-',
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Key.NumPadMultiply => '*',
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Key.NumPadDivide => '/',
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Key.NumPadDecimal => '.',
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_ => null
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};
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}
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}
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