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This commit is contained in:
Frank Skare
296
mpvInputEdit/InputWindow.xaml.cs
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296
mpvInputEdit/InputWindow.xaml.cs
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using System;
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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.Interop;
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using WF = System.Windows.Forms;
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namespace mpvInputEdit
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{
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public partial class InputWindow : Window
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{
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string InputString = "";
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public InputItem InputItem { get; set; }
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public string NewKey { get; set; } = "";
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public InputWindow()
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{
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InitializeComponent();
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}
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private IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
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{
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WF.Message m = new WF.Message();
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m.HWnd = hwnd;
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m.Msg = msg;
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m.WParam = wParam;
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m.LParam = lParam;
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ProcessKeyEventArgs(ref m);
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return m.Result;
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}
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void OnKeyUp(WF.KeyEventArgs e)
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{
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if (e.KeyCode == WF.Keys.None) return;
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char c = Convert.ToChar(e.KeyCode);
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string text = InputString;
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if (e.KeyCode == WF.Keys.ControlKey || e.KeyCode == WF.Keys.ShiftKey ||
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e.KeyCode == WF.Keys.Menu)
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{
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return;
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}
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if (text == "")
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{
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text = e.KeyCode.ToString();
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if (text.Length == 1)
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text = text.ToLowerInvariant();
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}
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for (int i = 0; i < 13; i++)
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if ("D" + i.ToString() == text)
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text = text.Substring(1);
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//Debug.WriteLine((int)c);
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//Debug.WriteLine(e.KeyCode.ToString());
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switch (e.KeyCode)
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{
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case WF.Keys.NumPad0:
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case WF.Keys.NumPad1:
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case WF.Keys.NumPad2:
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case WF.Keys.NumPad3:
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case WF.Keys.NumPad4:
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case WF.Keys.NumPad5:
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case WF.Keys.NumPad6:
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case WF.Keys.NumPad7:
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case WF.Keys.NumPad8:
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case WF.Keys.NumPad9:
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text = "KP" + e.KeyCode.ToString()[6].ToString(); break;
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case WF.Keys.Space:
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text = "Space"; break;
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case WF.Keys.Enter:
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text = "Enter"; break;
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case WF.Keys.Tab:
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text = "Tab"; break;
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case WF.Keys.Back:
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text = "BS"; break;
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case WF.Keys.Delete:
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text = "Del"; break;
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case WF.Keys.Insert:
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text = "Ins"; break;
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case WF.Keys.Home:
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text = "Home"; break;
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case WF.Keys.End:
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text = "End"; break;
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case WF.Keys.PageUp:
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text = "PGUP"; break;
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case WF.Keys.PageDown:
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text = "PGDWN"; break;
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case WF.Keys.Escape:
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text = "Esc"; break;
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case WF.Keys.PrintScreen:
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text = "Print"; break;
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case WF.Keys.Right:
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text = "Right"; break;
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case WF.Keys.Left:
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text = "Left"; break;
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case WF.Keys.Up:
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text = "Up"; break;
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case WF.Keys.Down:
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text = "Down"; break;
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case WF.Keys.Play:
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text = "Play"; break;
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case WF.Keys.Pause:
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text = "Pause"; break;
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case WF.Keys.MediaPlayPause:
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text = "PlayPause"; break;
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case WF.Keys.MediaStop:
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text = "Stop"; break;
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case WF.Keys.MediaNextTrack:
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text = "Next"; break;
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case WF.Keys.MediaPreviousTrack:
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text = "Prev"; break;
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case WF.Keys.VolumeUp:
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text = "Volume_Up"; break;
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case WF.Keys.VolumeDown:
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text = "Volume_Down"; break;
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case WF.Keys.VolumeMute:
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text = "Mute"; break;
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case WF.Keys.BrowserHome:
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text = "Homepage"; break;
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case WF.Keys.LaunchMail:
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text = "Mail"; break;
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case WF.Keys.BrowserFavorites:
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text = "Favorites"; break;
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case WF.Keys.BrowserSearch:
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text = "Search"; break;
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case WF.Keys.Sleep:
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text = "Sleep"; break;
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case WF.Keys.Cancel:
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text = "Cancel"; break;
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}
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if (text == "#")
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text = "Sharp";
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bool isAlt = GetKeyState(18) < (short)0;
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bool isShift = GetKeyState(16) < (short)0;
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bool isCtrl = GetKeyState(17) < (short)0;
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if (!(isAlt && isCtrl && !isShift) && !(isShift && !isAlt && !isCtrl && !int.TryParse(text.Replace("F", ""), out int value)))
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{
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if (isAlt) text = "Alt+" + text;
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if (isShift) text = "Shift+" + text;
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if (isCtrl) text = "Ctrl+" + text;
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}
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if (!string.IsNullOrEmpty(text))
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SetKey(text);
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}
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void SetKey(string key)
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{
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NewKey = key;
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MenuLabel.Content = InputItem.Menu;
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KeyLabel.Content = key;
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}
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void OnKeyPress(WF.KeyPressEventArgs e)
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{
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if (char.IsControl(e.KeyChar))
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InputString = "";
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else
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InputString = e.KeyChar.ToString();
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}
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public static WF.Keys ModifierKeys {
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get {
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WF.Keys keys = WF.Keys.None;
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if (GetKeyState(17) < (short)0)
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keys |= WF.Keys.Control;
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if (GetKeyState(16) < (short)0)
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keys |= WF.Keys.Shift;
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if (GetKeyState(18) < (short)0)
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keys |= WF.Keys.Alt;
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return keys;
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}
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}
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void ProcessKeyEventArgs(ref WF.Message m)
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{
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int WM_CHAR = 258, WM_SYSCHAR = 262, /*WM_KEYDOWN = 256, WM_SYSKEYDOWN = 260,*/
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WM_KEYUP = 0x0101, WM_SYSKEYUP = 0x0105, WM_APPCOMMAND = 0x0319;
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IntPtr newWParam = IntPtr.Zero;
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WF.KeyEventArgs ke = null;
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WF.KeyPressEventArgs kpe = null;
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if (m.Msg == WM_CHAR || m.Msg == WM_SYSCHAR)
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{
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kpe = new WF.KeyPressEventArgs(unchecked((char)(long)m.WParam));
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OnKeyPress(kpe);
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newWParam = (IntPtr)kpe.KeyChar;
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}
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else
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{
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ke = new WF.KeyEventArgs((WF.Keys)(unchecked((int)(long)m.WParam)) | ModifierKeys);
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//if (m.Msg == WM_KEYDOWN || m.Msg == WM_SYSKEYDOWN)
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// OnKeyDown(ke);
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if (m.Msg == WM_KEYUP || m.Msg == WM_SYSKEYUP)
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OnKeyUp(ke);
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if (m.Msg == WM_APPCOMMAND)
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{
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switch ((AppCommand)m.LParam.ToInt32())
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{
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case AppCommand.MEDIA_CHANNEL_DOWN:
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SetKey("CHANNEL_DOWN");
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break;
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case AppCommand.MEDIA_CHANNEL_UP:
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SetKey("CHANNEL_UP");
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break;
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case AppCommand.MEDIA_FAST_FORWARD:
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SetKey("FORWARD");
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break;
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case AppCommand.MEDIA_NEXTTRACK:
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SetKey("NEXT");
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break;
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case AppCommand.MEDIA_PAUSE:
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SetKey("PAUSE");
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break;
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case AppCommand.MEDIA_PLAY:
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SetKey("PLAY");
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break;
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case AppCommand.MEDIA_PLAY_PAUSE:
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SetKey("PLAYPAUSE");
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break;
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case AppCommand.MEDIA_PREVIOUSTRACK:
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SetKey("PREV");
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break;
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case AppCommand.MEDIA_RECORD:
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SetKey("RECORD");
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break;
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case AppCommand.MEDIA_REWIND:
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SetKey("REWIND");
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break;
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case AppCommand.MEDIA_STOP:
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SetKey("STOP");
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break;
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}
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}
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}
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if (kpe != null)
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m.WParam = newWParam;
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}
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internal enum AppCommand
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{
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MEDIA_CHANNEL_DOWN = 52,
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MEDIA_CHANNEL_UP = 51,
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MEDIA_FAST_FORWARD = 49,
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MEDIA_NEXTTRACK = 11,
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MEDIA_PAUSE = 47,
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MEDIA_PLAY = 46,
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MEDIA_PLAY_PAUSE = 14,
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MEDIA_PREVIOUSTRACK = 12,
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MEDIA_RECORD = 48,
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MEDIA_REWIND = 50,
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MEDIA_STOP = 13
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}
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[DllImport("user32.dll", CharSet = CharSet.Auto)]
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public static extern short GetKeyState(int keyCode);
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private void Window_Loaded(object sender, RoutedEventArgs e)
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{
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HwndSource source = HwndSource.FromHwnd(new WindowInteropHelper(this).Handle);
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source.AddHook(new HwndSourceHook(WndProc));
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SetKey(InputItem.Key);
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}
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private void ConfirmButton_Click(object sender, RoutedEventArgs e)
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{
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InputItem.Key = NewKey;
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Close();
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}
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private void ClearButton_Click(object sender, RoutedEventArgs e)
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{
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InputItem.Key = "_";
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Close();
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}
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private void Window_MouseWheel(object sender, MouseWheelEventArgs e)
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{
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if (e.Delta > 0)
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SetKey("WHEEL_UP");
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else
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SetKey("WHEEL_DOWN");
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}
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}
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}
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