Files
mpv.net/mpv.net/WPF/LearnWindow.xaml.cs
Frank Skare f61eef8961 5.4.7.4 Beta
2020-05-10 07:01:59 +02:00

259 lines
8.3 KiB
C#

using System;
using System.Diagnostics;
using System.Runtime.InteropServices;
using System.Windows;
using System.Windows.Input;
using System.Windows.Interop;
using WinForms = System.Windows.Forms;
namespace mpvnet
{
public partial class LearnWindow : Window
{
public CommandItem InputItem { get; set; }
string NewKey = "";
string KeyChar = "";
public LearnWindow() => InitializeComponent();
IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
{
WinForms.Message m = new WinForms.Message();
m.HWnd = hwnd;
m.Msg = msg;
m.WParam = wParam;
m.LParam = lParam;
ProcessKeyEventArgs(ref m);
return m.Result;
}
void OnKeyUp(WinForms.KeyEventArgs e)
{
if (e.KeyCode == WinForms.Keys.ControlKey || e.KeyCode == WinForms.Keys.ShiftKey ||
e.KeyCode == WinForms.Keys.Menu || e.KeyCode == WinForms.Keys.None)
return;
string text = "";
uint charValue = MapVirtualKey((uint)e.KeyCode, 2);
if (charValue == 0 || (charValue & 1 << 31) == 1 << 31)
text = e.KeyCode.ToString().Trim();
else
try {
text = Convert.ToChar(charValue).ToString().ToLower().Trim();
} catch {}
for (int i = 0; i < 13; i++)
if ("D" + i == text)
text = text.Substring(1);
switch (e.KeyCode)
{
case WinForms.Keys.NumPad0:
case WinForms.Keys.NumPad1:
case WinForms.Keys.NumPad2:
case WinForms.Keys.NumPad3:
case WinForms.Keys.NumPad4:
case WinForms.Keys.NumPad5:
case WinForms.Keys.NumPad6:
case WinForms.Keys.NumPad7:
case WinForms.Keys.NumPad8:
case WinForms.Keys.NumPad9:
text = "KP" + e.KeyCode.ToString()[6]; break;
case WinForms.Keys.Space:
text = "SPACE"; break;
case WinForms.Keys.Enter:
text = "ENTER"; break;
case WinForms.Keys.Tab:
text = "TAB"; break;
case WinForms.Keys.Back:
text = "BS"; break;
case WinForms.Keys.Delete:
text = "DEL"; break;
case WinForms.Keys.Insert:
text = "INS"; break;
case WinForms.Keys.Home:
text = "HOME"; break;
case WinForms.Keys.End:
text = "END"; break;
case WinForms.Keys.PageUp:
text = "PGUP"; break;
case WinForms.Keys.PageDown:
text = "PGDWN"; break;
case WinForms.Keys.Escape:
text = "ESC"; break;
case WinForms.Keys.PrintScreen:
text = "PRINT"; break;
case WinForms.Keys.Play:
text = "PLAY"; break;
case WinForms.Keys.Pause:
text = "PAUSE"; break;
case WinForms.Keys.MediaPlayPause:
text = "PLAYPAUSE"; break;
case WinForms.Keys.MediaStop:
text = "STOP"; break;
case WinForms.Keys.MediaNextTrack:
text = "NEXT"; break;
case WinForms.Keys.MediaPreviousTrack:
text = "PREV"; break;
case WinForms.Keys.BrowserHome:
text = "HOMEPAGE"; break;
case WinForms.Keys.LaunchMail:
text = "MAIL"; break;
case WinForms.Keys.BrowserFavorites:
text = "FAVORITES"; break;
case WinForms.Keys.BrowserSearch:
text = "SEARCH"; break;
case WinForms.Keys.Sleep:
text = "SLEEP"; break;
case WinForms.Keys.Cancel:
text = "CANCEL"; break;
case WinForms.Keys.VolumeUp:
case WinForms.Keys.VolumeDown:
case WinForms.Keys.VolumeMute:
text = ""; break;
}
bool wasModified = false;
bool isAlt = GetKeyState(18) < (short)0;
bool isShift = GetKeyState(16) < (short)0;
bool isCtrl = GetKeyState(17) < (short)0;
if (text.Length == 1 && KeyChar != text)
{
text = KeyChar;
wasModified = true;
}
if (text == "#")
text = "SHARP";
if (isAlt && !wasModified)
text = "ALT+" + text;
if (isShift && !wasModified)
text = "SHIFT+" + text;
if (isCtrl && !wasModified)
text = "CTRL+" + text;
if (!string.IsNullOrEmpty(text))
SetKey(text);
}
void SetKey(string key)
{
NewKey = key;
MenuTextBlock.Text = InputItem.Path;
KeyTextBlock.Text = key;
}
[DllImport("user32.dll")]
static extern uint MapVirtualKey(uint uCode, uint uMapType);
public static WinForms.Keys ModifierKeys {
get {
WinForms.Keys keys = WinForms.Keys.None;
if (GetKeyState(17) < (short)0)
keys |= WinForms.Keys.Control;
if (GetKeyState(16) < (short)0)
keys |= WinForms.Keys.Shift;
if (GetKeyState(18) < (short)0)
keys |= WinForms.Keys.Alt;
return keys;
}
}
void ProcessKeyEventArgs(ref WinForms.Message m)
{
int WM_KEYUP = 0x0101, WM_SYSKEYUP = 0x0105, WM_APPCOMMAND = 0x0319;
if (m.Msg == WM_KEYUP || m.Msg == WM_SYSKEYUP)
OnKeyUp(new WinForms.KeyEventArgs((WinForms.Keys)(unchecked((int)(long)m.WParam)) | ModifierKeys));
else if (m.Msg == WM_APPCOMMAND)
{
string value = mpvHelp.WM_APPCOMMAND_to_mpv_key((int)(m.LParam.ToInt64() >> 16 & ~0xf000));
if (value != null)
SetKey(value);
}
}
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern short GetKeyState(int keyCode);
void Window_Loaded(object sender, RoutedEventArgs e)
{
HwndSource source = HwndSource.FromHwnd(new WindowInteropHelper(this).Handle);
source.AddHook(new HwndSourceHook(WndProc));
SetKey(InputItem.Input);
}
void ConfirmButton_Click(object sender, RoutedEventArgs e)
{
InputItem.Input = NewKey;
Close();
}
void ClearButton_Click(object sender, RoutedEventArgs e)
{
InputItem.Input = "_";
Close();
}
void Window_MouseWheel(object sender, MouseWheelEventArgs e)
{
if (e.Delta > 0)
SetKey("WHEEL_UP");
else
SetKey("WHEEL_DOWN");
}
void Window_MouseUp(object sender, MouseButtonEventArgs e)
{
switch (e.ChangedButton)
{
case MouseButton.Left:
if (BlockMBTN_LEFT)
BlockMBTN_LEFT = false;
else
SetKey("MBTN_LEFT");
break;
case MouseButton.Middle:
SetKey("MBTN_MID");
break;
case MouseButton.XButton1:
SetKey("MBTN_BACK");
break;
case MouseButton.XButton2:
SetKey("MBTN_FORWARD");
break;
}
}
bool BlockMBTN_LEFT;
void Window_MouseDoubleClick(object sender, MouseButtonEventArgs e)
{
if (e.ChangedButton == MouseButton.Left)
{
SetKey("MBTN_LEFT_DBL");
BlockMBTN_LEFT = true;
}
}
void Window_TextInput(object sender, TextCompositionEventArgs e)
{
KeyChar = e.Text;
}
}
}