voice-cat/clients/windows/VoiceCat.App/Forms/PttKeyCaptureDialog.cs

namespace VoiceCat.App.Forms;

/// <summary>
/// Shows "Press any key…" and captures the next KeyDown as the PTT key.
/// Press Escape to cancel without changing the key.
/// </summary>
public sealed class PttKeyCaptureDialog : Form
{
    private readonly Label _label;

    public Keys CapturedKey { get; private set; }

    public PttKeyCaptureDialog(Keys current)
    {
        CapturedKey = current;

        _label = new Label
        {
            Text = $"Current PTT key: {current}\n\nPress any key to set a new PTT key,\nor press Escape to keep the current key.",
            AutoSize = false,
            Dock = DockStyle.Fill,
            TextAlign = ContentAlignment.MiddleCenter,
            TabIndex = 0,
        };

        AutoScaleMode = AutoScaleMode.Font;
        ClientSize = new Size(340, 130);
        Controls.Add(_label);
        FormBorderStyle = FormBorderStyle.FixedDialog;
        KeyPreview = true;
        MaximizeBox = false;
        MinimizeBox = false;
        StartPosition = FormStartPosition.CenterParent;
        Text = "Set PTT key";

        KeyDown += (_, e) =>
        {
            e.SuppressKeyPress = true;
            if (e.KeyCode == Keys.Escape)
            {
                DialogResult = DialogResult.Cancel;
            }
            else
            {
                CapturedKey = e.KeyCode;
                DialogResult = DialogResult.OK;
            }
            Close();
        };
    }
}