From 983b2e8c02d80407c57e7191a82fe3e1f3408da6 Mon Sep 17 00:00:00 2001
From: NaBian <836904362@qq.com>
Date: Wed, 22 May 2019 23:32:12 +0800
Subject: [PATCH] add KeyboardHook
---
.../Controls/Time/TimeBar/TimeBar.cs | 1 -
.../Data/Args/KeyboardHookEventArgs.cs | 15 +++++
.../HandyControl_Shared.projitems | 4 +-
.../MouseDragElementBehaviorEx.cs | 4 +-
.../Tools/Hook/KeyboardHook.cs | 57 +++++++++++++++++++
.../Tools/Interop/NativeMethods.cs | 2 +
.../Tools/Interop/UnsafeNativeMethods.cs | 3 +-
7 files changed, 81 insertions(+), 5 deletions(-)
create mode 100644 src/Shared/HandyControl_Shared/Data/Args/KeyboardHookEventArgs.cs
rename src/Shared/HandyControl_Shared/{Tools => Interactivity}/MouseDragElementBehaviorEx.cs (99%)
create mode 100644 src/Shared/HandyControl_Shared/Tools/Hook/KeyboardHook.cs
diff --git a/src/Shared/HandyControl_Shared/Controls/Time/TimeBar/TimeBar.cs b/src/Shared/HandyControl_Shared/Controls/Time/TimeBar/TimeBar.cs
index fcc658bf..fa0c9a9f 100644
--- a/src/Shared/HandyControl_Shared/Controls/Time/TimeBar/TimeBar.cs
+++ b/src/Shared/HandyControl_Shared/Controls/Time/TimeBar/TimeBar.cs
@@ -6,7 +6,6 @@ using System.Windows.Input;
using System.Windows.Media;
using HandyControl.Data;
using HandyControl.Interactivity;
-using HandyControl.Tools;
namespace HandyControl.Controls
diff --git a/src/Shared/HandyControl_Shared/Data/Args/KeyboardHookEventArgs.cs b/src/Shared/HandyControl_Shared/Data/Args/KeyboardHookEventArgs.cs
new file mode 100644
index 00000000..3d3eb0b3
--- /dev/null
+++ b/src/Shared/HandyControl_Shared/Data/Args/KeyboardHookEventArgs.cs
@@ -0,0 +1,15 @@
+using System;
+using System.Windows.Input;
+
+namespace HandyControl.Data
+{
+ internal class KeyboardHookEventArgs : EventArgs
+ {
+ public Key Key { get; }
+
+ public KeyboardHookEventArgs(int virtualKey)
+ {
+ Key = KeyInterop.KeyFromVirtualKey(virtualKey);
+ }
+ }
+}
\ No newline at end of file
diff --git a/src/Shared/HandyControl_Shared/HandyControl_Shared.projitems b/src/Shared/HandyControl_Shared/HandyControl_Shared.projitems
index 39535ac9..0b15d2bc 100644
--- a/src/Shared/HandyControl_Shared/HandyControl_Shared.projitems
+++ b/src/Shared/HandyControl_Shared/HandyControl_Shared.projitems
@@ -113,6 +113,7 @@
+
@@ -246,6 +247,7 @@
+
@@ -261,7 +263,7 @@
-
+
diff --git a/src/Shared/HandyControl_Shared/Tools/MouseDragElementBehaviorEx.cs b/src/Shared/HandyControl_Shared/Interactivity/MouseDragElementBehaviorEx.cs
similarity index 99%
rename from src/Shared/HandyControl_Shared/Tools/MouseDragElementBehaviorEx.cs
rename to src/Shared/HandyControl_Shared/Interactivity/MouseDragElementBehaviorEx.cs
index a598f167..9232676f 100644
--- a/src/Shared/HandyControl_Shared/Tools/MouseDragElementBehaviorEx.cs
+++ b/src/Shared/HandyControl_Shared/Interactivity/MouseDragElementBehaviorEx.cs
@@ -2,9 +2,9 @@
using System.Windows.Input;
using System.Windows.Media;
using HandyControl.Data;
-using HandyControl.Interactivity;
+using HandyControl.Tools;
-namespace HandyControl.Tools
+namespace HandyControl.Interactivity
{
///
/// 鼠标拖动行为，该类是反编译微软的System.Windows.Interactivity程序集得到的，并对其做了些扩展
diff --git a/src/Shared/HandyControl_Shared/Tools/Hook/KeyboardHook.cs b/src/Shared/HandyControl_Shared/Tools/Hook/KeyboardHook.cs
new file mode 100644
index 00000000..0bd562fd
--- /dev/null
+++ b/src/Shared/HandyControl_Shared/Tools/Hook/KeyboardHook.cs
@@ -0,0 +1,57 @@
+using System;
+using System.Diagnostics;
+using System.Runtime.InteropServices;
+using HandyControl.Data;
+using HandyControl.Tools.Interop;
+
+namespace HandyControl.Tools
+{
+ internal class KeyboardHook
+ {
+ public static event EventHandler KeyDown;
+
+ public static event EventHandler KeyUp;
+
+ private static IntPtr HookId = IntPtr.Zero;
+
+ private static readonly UnsafeNativeMethods.HookProc Proc = HookCallback;
+
+ public static void Start() => HookId = SetHook(Proc);
+
+ public static void Stop() => UnsafeNativeMethods.UnhookWindowsHookEx(HookId);
+
+ private static IntPtr SetHook(UnsafeNativeMethods.HookProc proc)
+ {
+ using (var curProcess = Process.GetCurrentProcess())
+ using (var curModule = curProcess.MainModule)
+ {
+ if (curModule != null)
+ {
+ return UnsafeNativeMethods.SetWindowsHookEx((int)UnsafeNativeMethods.HookType.WH_KEYBOARD_LL, proc,
+ UnsafeNativeMethods.GetModuleHandle(curModule.ModuleName), 0);
+ }
+ return IntPtr.Zero;
+ }
+ }
+
+ private static IntPtr HookCallback(int nCode, IntPtr wParam, IntPtr lParam)
+ {
+ if (nCode >= 0)
+ {
+ if (wParam == (IntPtr)NativeMethods.WM_KEYDOWN)
+ {
+ var virtualKey = Marshal.ReadInt32(lParam);
+
+ KeyDown?.Invoke(null, new KeyboardHookEventArgs(virtualKey));
+ }
+ else if (wParam == (IntPtr)NativeMethods.WM_KEYUP)
+ {
+ var virtualKey = Marshal.ReadInt32(lParam);
+
+ KeyUp?.Invoke(null, new KeyboardHookEventArgs(virtualKey));
+ }
+ }
+ return UnsafeNativeMethods.CallNextHookEx(HookId, nCode, wParam, lParam);
+ }
+ }
+}
\ No newline at end of file
diff --git a/src/Shared/HandyControl_Shared/Tools/Interop/NativeMethods.cs b/src/Shared/HandyControl_Shared/Tools/Interop/NativeMethods.cs
index dcff9ac8..94ae1c3b 100644
--- a/src/Shared/HandyControl_Shared/Tools/Interop/NativeMethods.cs
+++ b/src/Shared/HandyControl_Shared/Tools/Interop/NativeMethods.cs
@@ -31,6 +31,8 @@ namespace HandyControl.Tools.Interop
NIIF_INFO = 0x00000001,
NIIF_WARNING = 0x00000002,
NIIF_ERROR = 0x00000003,
+ WM_KEYDOWN = 0x0100,
+ WM_KEYUP = 0x0101,
WM_MOUSEMOVE = 0x0200,
WM_LBUTTONDOWN = 0x0201,
WM_LBUTTONUP = 0x0202,
diff --git a/src/Shared/HandyControl_Shared/Tools/Interop/UnsafeNativeMethods.cs b/src/Shared/HandyControl_Shared/Tools/Interop/UnsafeNativeMethods.cs
index 1c893525..2e4d1908 100644
--- a/src/Shared/HandyControl_Shared/Tools/Interop/UnsafeNativeMethods.cs
+++ b/src/Shared/HandyControl_Shared/Tools/Interop/UnsafeNativeMethods.cs
@@ -186,7 +186,8 @@ namespace HandyControl.Tools.Interop
public enum HookType
{
- WH_MOUSE_LL = 14,
+ WH_KEYBOARD_LL = 13,
+ WH_MOUSE_LL = 14
}
[StructLayout(LayoutKind.Sequential)]