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87 lines
3.3 KiB
C#
87 lines
3.3 KiB
C#
namespace AIStudio.Tools.Rust;
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/// <summary>
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/// The data structure for a Tauri event sent from the Rust backend to the C# frontend.
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/// </summary>
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/// <param name="EventType">The type of the Tauri event.</param>
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/// <param name="Payload">The payload of the Tauri event.</param>
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/// <param name="Position">Where the cursor was, for the drag and drop events which know it.</param>
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public readonly record struct TauriEvent(TauriEventType EventType, List<string> Payload, DropPosition? Position = null)
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{
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/// <summary>
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/// Attempts to parse the first payload element as a shortcut.
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/// </summary>
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/// <param name="shortcut">The parsed shortcut name if successful.</param>
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/// <returns>True if parsing was successful, false otherwise.</returns>
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public bool TryGetShortcut(out Shortcut shortcut)
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{
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shortcut = default;
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if(this.EventType != TauriEventType.GLOBAL_SHORTCUT_PRESSED)
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return false;
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if (this.Payload.Count == 0)
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return false;
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// Try standard enum parsing (handles PascalCase and numeric values):
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if (Enum.TryParse(this.Payload[0], ignoreCase: true, out shortcut))
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return true;
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// Try parsing snake_case format (e.g., "voice_recording_toggle"):
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return TryParseSnakeCase(this.Payload[0], out shortcut);
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}
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/// <summary>
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/// Reads the cursor position of a drag and drop event.
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/// </summary>
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/// <remarks>
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/// The coordinates are viewport-relative CSS pixels, ready for a hit test in the browser. Only the
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/// drag and drop events carry them, which is why the caller has to ask instead of assuming.
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/// </remarks>
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/// <param name="x">The distance from the left edge of the viewport, in CSS pixels.</param>
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/// <param name="y">The distance from the top edge of the viewport, in CSS pixels.</param>
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/// <returns>True if the event carried a position, false otherwise.</returns>
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public bool TryGetDropPosition(out double x, out double y)
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{
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x = 0.0;
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y = 0.0;
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if (this.Position is not { } position)
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return false;
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x = position.X;
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y = position.Y;
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return true;
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}
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/// <summary>
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/// Reads a portal shortcut change and its effective display name.
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/// </summary>
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public bool TryGetShortcutChange(out Shortcut shortcut, out string effectiveDisplayName)
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{
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shortcut = default;
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effectiveDisplayName = string.Empty;
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if (this.EventType != TauriEventType.GLOBAL_SHORTCUT_CHANGED || this.Payload.Count < 2)
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return false;
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if (!Enum.TryParse(this.Payload[0], ignoreCase: true, out shortcut)
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&& !TryParseSnakeCase(this.Payload[0], out shortcut))
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return false;
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effectiveDisplayName = this.Payload[1];
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return true;
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}
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/// <summary>
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/// Tries to parse a snake_case string into a ShortcutName enum value.
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/// </summary>
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private static bool TryParseSnakeCase(string value, out Shortcut shortcut)
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{
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shortcut = default;
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// Convert snake_case to UPPER_SNAKE_CASE for enum matching:
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var upperSnakeCase = value.ToUpperInvariant();
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// Try to match against enum names (which are in UPPER_SNAKE_CASE):
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return Enum.TryParse(upperSnakeCase, ignoreCase: false, out shortcut);
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}
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};
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