Files
mpv.net/mpvInputEdit/InputWindow.xaml.cs
Frank Skare 08089b0fc7 -
2019-03-30 05:28:38 +01:00

296 lines
9.9 KiB
C#

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