mirror of
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141 lines
3.9 KiB
C#
141 lines
3.9 KiB
C#
using System;
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using System.Drawing;
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using System.Runtime.InteropServices;
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using System.Windows;
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using System.Windows.Input;
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using System.Windows.Media;
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using NHotkey;
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using NHotkey.Wpf;
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using Wox.Helper;
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using Wox.Infrastructure;
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using Wox.Plugin;
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using KeyEventArgs = System.Windows.Input.KeyEventArgs;
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using UserControl = System.Windows.Controls.UserControl;
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namespace Wox
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{
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public partial class HotkeyControl : UserControl
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{
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public HotkeyModel CurrentHotkey { get; private set; }
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public bool CurrentHotkeyAvailable { get; private set; }
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public event EventHandler OnHotkeyChanged;
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protected virtual void OnOnHotkeyChanged()
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{
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EventHandler handler = OnHotkeyChanged;
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if (handler != null) handler(this, EventArgs.Empty);
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}
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public HotkeyControl()
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{
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InitializeComponent();
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}
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private void TbHotkey_OnPreviewKeyDown(object sender, KeyEventArgs e)
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{
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e.Handled = true;
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tbMsg.Visibility = Visibility.Hidden;
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//when alt is pressed, the real key should be e.SystemKey
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Key key = (e.Key == Key.System ? e.SystemKey : e.Key);
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string text = string.Empty;
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SpecialKeyState specialKeyState = new GloablHotkey().CheckModifiers();
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if (specialKeyState.AltPressed)
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{
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text += "Alt";
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}
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if (specialKeyState.CtrlPressed)
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{
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text += string.IsNullOrEmpty(text) ? "Ctrl" : " + Ctrl";
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}
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if (specialKeyState.ShiftPressed)
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{
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text += string.IsNullOrEmpty(text) ? "Shift" : " + Shift";
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}
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if (specialKeyState.WinPressed)
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{
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text += string.IsNullOrEmpty(text) ? "Win" : " + Win";
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}
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if (string.IsNullOrEmpty(text))
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{
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text += "Ctrl + Alt";
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}
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if (IsKeyACharOrNumber(key))
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{
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text += " + " + key;
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}
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else if (key == Key.Space)
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{
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text += " + Space";
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}
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else
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{
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return;
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}
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if (text == tbHotkey.Text)
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{
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return;
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}
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Dispatcher.DelayInvoke("HotkeyAvailableTest", o => SetHotkey(text), TimeSpan.FromMilliseconds(300));
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}
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public void SetHotkey(string keyStr, bool triggerValidate = true)
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{
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tbMsg.Visibility = Visibility.Visible;
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tbHotkey.Text = keyStr;
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tbHotkey.Select(tbHotkey.Text.Length, 0);
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CurrentHotkey = new HotkeyModel(keyStr);
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if (triggerValidate)
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{
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CurrentHotkeyAvailable = CheckHotAvailabel(CurrentHotkey);
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if (!CurrentHotkeyAvailable)
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{
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tbMsg.Foreground = new SolidColorBrush(Colors.Red);
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tbMsg.Text = "hotkey unavailable";
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}
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else
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{
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tbMsg.Foreground = new SolidColorBrush(Colors.Green);
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tbMsg.Text = "succeed";
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}
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OnOnHotkeyChanged();
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}
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}
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private bool CheckHotAvailabel(HotkeyModel hotkey)
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{
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try
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{
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HotkeyManager.Current.AddOrReplace("HotkeyAvailableTest", hotkey.CharKey, hotkey.ModifierKeys, OnHotkey);
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return true;
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}
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catch
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{
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}
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finally
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{
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HotkeyManager.Current.Remove("HotkeyAvailableTest");
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}
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return false;
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}
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private void OnHotkey(object sender, HotkeyEventArgs e)
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{
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}
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private static bool IsKeyACharOrNumber(Key key)
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{
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return (key >= Key.A && key <= Key.Z) || (key >= Key.D0 && key <= Key.D9);
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}
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}
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}
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