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Fix a global hotkey issues in CMD, which will hang Wox on init.

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This commit is contained in:
qianlifeng
2015-01-08 22:49:42 +08:00
parent 288be8dd71
commit 220ac2fa2d
15 changed files with 148 additions and 153 deletions
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113
Wox.Infrastructure/Hotkey/GlobalHotkey.cs
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@@ -1,114 +1,17 @@
using System;
using System.Diagnostics;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using Wox.Plugin;
namespace Wox.Infrastructure.Hotkey
{
public enum KeyEvent : int
{
/// <summary>
/// Key down
/// </summary>
WM_KEYDOWN = 256,
/// <summary>
/// Key up
/// </summary>
WM_KEYUP = 257,
/// <summary>
/// System key up
/// </summary>
WM_SYSKEYUP = 261,
/// <summary>
/// System key down
/// </summary>
WM_SYSKEYDOWN = 260
}
public static class InterceptKeys
{
public delegate IntPtr LowLevelKeyboardProc(int nCode, UIntPtr wParam, IntPtr lParam);
private static int WH_KEYBOARD_LL = 13;
public static IntPtr SetHook(LowLevelKeyboardProc proc)
{
using (Process curProcess = Process.GetCurrentProcess())
using (ProcessModule curModule = curProcess.MainModule)
{
return SetWindowsHookEx(WH_KEYBOARD_LL, proc, GetModuleHandle(curModule.ModuleName), 0);
}
}
[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
public static extern IntPtr SetWindowsHookEx(int idHook, LowLevelKeyboardProc lpfn, IntPtr hMod, uint dwThreadId);
[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool UnhookWindowsHookEx(IntPtr hhk);
[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
public static extern IntPtr CallNextHookEx(IntPtr hhk, int nCode, UIntPtr wParam, IntPtr lParam);
[DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
public static extern IntPtr GetModuleHandle(string lpModuleName);
[DllImport("user32.dll", CharSet = CharSet.Auto, ExactSpelling = true, CallingConvention = CallingConvention.Winapi)]
public static extern short GetKeyState(int keyCode);
[DllImport("user32.dll")]
internal static extern uint SendInput(uint nInputs, [MarshalAs(UnmanagedType.LPArray), In] INPUT[] pInputs, int cbSize);
}
[StructLayout(LayoutKind.Explicit)]
public struct INPUT
{
[FieldOffset(0)]
public Int32 type;//0-MOUSEINPUT;1-KEYBDINPUT;2-HARDWAREINPUT
[FieldOffset(4)]
public KEYBDINPUT ki;
[FieldOffset(4)]
public MOUSEINPUT mi;
[FieldOffset(4)]
public HARDWAREINPUT hi;
}
[StructLayout(LayoutKind.Sequential)]
public struct MOUSEINPUT
{
public Int32 dx;
public Int32 dy;
public Int32 mouseData;
public Int32 dwFlags;
public Int32 time;
public IntPtr dwExtraInfo;
}
[StructLayout(LayoutKind.Sequential)]
public struct KEYBDINPUT
{
public Int16 wVk;
public Int16 wScan;
public Int32 dwFlags;
public Int32 time;
public IntPtr dwExtraInfo;
}
[StructLayout(LayoutKind.Sequential)]
public struct HARDWAREINPUT
{
public Int32 uMsg;
public Int16 wParamL;
public Int16 wParamH;
}
/// <summary>
/// Listens keyboard globally.
/// <remarks>Uses WH_KEYBOARD_LL.</remarks>
/// </summary>
public class GlobalHotkey : IDisposable
{
private static GlobalHotkey instance;
private InterceptKeys.LowLevelKeyboardProc hookedLowLevelKeyboardProc;
private IntPtr hookId = IntPtr.Zero;
public delegate bool KeyboardCallback(KeyEvent keyEvent, int vkCode, SpecialKeyState state);
@@ -120,7 +23,19 @@ namespace Wox.Infrastructure.Hotkey
private const int VK_ALT = 0x12;
private const int VK_WIN = 91;
public GlobalHotkey()
public static GlobalHotkey Instance
{
get
{
if (instance == null)
{
instance = new GlobalHotkey();
}
return instance;
}
}
private GlobalHotkey()
{
// We have to store the LowLevelKeyboardProc, so that it is not garbage collected runtime
hookedLowLevelKeyboardProc = LowLevelKeyboardProc;

38
Wox.Infrastructure/Hotkey/InterceptKeys.cs Normal file
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@@ -0,0 +1,38 @@
using System;
using System.Diagnostics;
using System.Runtime.InteropServices;
namespace Wox.Infrastructure.Hotkey
{
internal static class InterceptKeys
{
public delegate IntPtr LowLevelKeyboardProc(int nCode, UIntPtr wParam, IntPtr lParam);
private const int WH_KEYBOARD_LL = 13;
public static IntPtr SetHook(LowLevelKeyboardProc proc)
{
using (Process curProcess = Process.GetCurrentProcess())
using (ProcessModule curModule = curProcess.MainModule)
{
return SetWindowsHookEx(WH_KEYBOARD_LL, proc, GetModuleHandle(curModule.ModuleName), 0);
}
}
[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
public static extern IntPtr SetWindowsHookEx(int idHook, LowLevelKeyboardProc lpfn, IntPtr hMod, uint dwThreadId);
[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool UnhookWindowsHookEx(IntPtr hhk);
[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
public static extern IntPtr CallNextHookEx(IntPtr hhk, int nCode, UIntPtr wParam, IntPtr lParam);
[DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
public static extern IntPtr GetModuleHandle(string lpModuleName);
[DllImport("user32.dll", CharSet = CharSet.Auto, ExactSpelling = true, CallingConvention = CallingConvention.Winapi)]
public static extern short GetKeyState(int keyCode);
}
}

25
Wox.Infrastructure/Hotkey/KeyEvent.cs Normal file
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@@ -0,0 +1,25 @@
namespace Wox.Infrastructure.Hotkey
{
public enum KeyEvent:int
{
/// <summary>
/// Key down
/// </summary>
WM_KEYDOWN = 256,
/// <summary>
/// Key up
/// </summary>
WM_KEYUP = 257,
/// <summary>
/// System key up
/// </summary>
WM_SYSKEYUP = 261,
/// <summary>
/// System key down
/// </summary>
WM_SYSKEYDOWN = 260
}
}

2
Wox.Infrastructure/Wox.Infrastructure.csproj
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@@ -59,6 +59,8 @@
<Reference Include="WindowsBase" />
</ItemGroup>
<ItemGroup>
<Compile Include="Hotkey\InterceptKeys.cs" />
<Compile Include="Hotkey\KeyEvent.cs" />
<Compile Include="Logger\Log.cs" />
<Compile Include="PeHeaderReader.cs" />
<Compile Include="Storage\BinaryStorage.cs" />