using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

/*
 * Copyright (c) 2014 Brad Greco <brad@bgreco.net>
 */
namespace QuickQR
{
    public partial class SetHotkey : Form
    {
        private bool capturing = false;
        public KeyBinding keyBinding;

        public SetHotkey(KeyBinding keyBinding)
        {
            InitializeComponent();
            this.keyBinding = new KeyBinding();
            hotkeyLabel.Text = keyBinding.toString();
        }

        private void captureButton_Click(object sender, EventArgs e)
        {
            capturing = true;
            hotkeyLabel.Text = "Waiting... (ESC to clear)";
            keyBinding.Win = false;
        }

        private void SetHotkey_KeyDown(object sender, KeyEventArgs e)
        {
            if (capturing && e.KeyCode == Keys.Escape)
            {
                capturing = false;
                keyBinding.key = 0;
                keyBinding.keyChar = "";
                hotkeyLabel.Text = keyBinding.comboString();
            }
            else if (capturing && (e.KeyCode == Keys.LWin || e.KeyCode == Keys.RWin))
            {
                keyBinding.Win = true;
            }
            else if (capturing && e.KeyCode != Keys.ShiftKey && e.KeyCode != Keys.Menu && e.KeyCode != Keys.Alt && e.KeyCode != Keys.ControlKey)
            {
                keyBinding.key = (int)e.KeyCode;
                keyBinding.keyChar = e.KeyCode.ToString();
                keyBinding.Shift = e.Shift;
                keyBinding.Alt = e.Alt;
                keyBinding.Ctrl = e.Control;
                hotkeyLabel.Text = keyBinding.toString();
            }
        }

        private void SetHotkey_KeyUp(object sender, KeyEventArgs e)
        {
            if (capturing && (e.KeyCode == Keys.LWin || e.KeyCode == Keys.RWin))
            {
                keyBinding.Win = false;
            }
            else if (capturing && e.KeyCode != Keys.ShiftKey && e.KeyCode != Keys.Menu && e.KeyCode != Keys.Alt && e.KeyCode != Keys.ControlKey)
            {
                capturing = false;
            }
            okButton.Enabled = !capturing;
        }

        protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
        {
            if (keyData == Keys.Escape && capturing)
            {
                keyBinding.key = 0;
                hotkeyLabel.Text = keyBinding.toString();
                capturing = false;
                okButton.Enabled = true;
                return true;
            }
            return base.ProcessCmdKey(ref msg, keyData);
        }
    }
}