MeshCentral/MeshCentralRouter
1
0
Fork 0
mirror of https://github.com/Ylianst/MeshCentralRouter synced 2025-12-06 00:13:33 +00:00
Code Issues Releases Wiki Activity

This is the first revision of my changes

Browse Source
This commit is contained in:
Troy Cook
2020-09-21 01:46:45 -05:00
parent 4deea28edd
commit c3afb5cb43
10 changed files with 231 additions and 75 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
KVMControl.Designer.cs generated
View File

@@ -38,9 +38,6 @@
this.Name = "KVMControl";
this.Size = new System.Drawing.Size(585, 364);
this.Paint += new System.Windows.Forms.PaintEventHandler(this.KVMControl_Paint);
this.KeyDown += new System.Windows.Forms.KeyEventHandler(this.KVMControl_KeyDown);
this.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.KVMControl_KeyPress);
this.KeyUp += new System.Windows.Forms.KeyEventHandler(this.KVMControl_KeyUp);
this.MouseDown += new System.Windows.Forms.MouseEventHandler(this.KVMControl_MouseDown);
this.MouseMove += new System.Windows.Forms.MouseEventHandler(this.KVMControl_MouseMove);
this.MouseUp += new System.Windows.Forms.MouseEventHandler(this.KVMControl_MouseUp);

68
KVMControl.cs
View File

@@ -46,6 +46,9 @@ namespace MeshCentralRouter
public double DpiX = 96;
public double DpiY = 96;
public KVMViewer parent = null;
private readonly KVMControlHook.KVMCallback KeyboardCallback;
private bool keyboardIsAttached;
private enum KvmCommands
{
@@ -121,6 +124,25 @@ namespace MeshCentralRouter
this.SetStyle(ControlStyles.UserPaint, true);
this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);
this.MouseWheel += new System.Windows.Forms.MouseEventHandler(KVMControl_MouseWheel);
KeyboardCallback = SendKey;
}
public void AttachKeyboard()
{
if (!keyboardIsAttached)
{
Program.controlHook.AttachCallback(KeyboardCallback);
keyboardIsAttached = true;
}
}
public void DetacheKeyboard()
{
if (keyboardIsAttached)
{
Program.controlHook.DetachCallback();
keyboardIsAttached = false;
}
}
public int ProcessData(byte[] buffer, int off, int len)
@@ -543,24 +565,6 @@ namespace MeshCentralRouter
SendMouse(e, 0);
}
private void KVMControl_KeyDown(object sender, KeyEventArgs e)
{
if ((e.KeyCode == Keys.LWin) || (e.KeyCode == Keys.RWin)) return; // Don't process the Windows key
SendKey(e, 0);
e.Handled = true;
}
private void KVMControl_KeyUp(object sender, KeyEventArgs e)
{
SendKey(e, 1);
e.Handled = true;
}
private void KVMControl_KeyPress(object sender, KeyPressEventArgs e)
{
e.Handled = true;
}
private void KVMControl_MouseEnter(object sender, EventArgs e)
{
this.Focus();
@@ -575,28 +579,6 @@ namespace MeshCentralRouter
Send(bw);
}
protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
{
const int WM_KEYDOWN = 0x100;
const int WM_SYSKEYDOWN = 0x104;
// Tab keys
if (msg.Msg == WM_KEYDOWN && msg.WParam.ToInt32() == 9)
{
SendKey((byte)msg.WParam.ToInt32(), 0);
return true;
}
// Handle arrow keys
if (((msg.Msg == WM_KEYDOWN) || (msg.Msg == WM_SYSKEYDOWN)) && msg.WParam.ToInt32() >= 37 && msg.WParam.ToInt32() <= 40)
{
SendKey((byte)msg.WParam.ToInt32(), 0);
return true;
}
return false;
}
public void GetDisplayNumbers()
{
//if (state != ConnectState.Connected) return;
@@ -618,12 +600,6 @@ namespace MeshCentralRouter
Send(bw);
}
public void SendWindowsKey()
{
SendKey(0x5B, 4); // Windows key down
SendKey(0x5B, 3); // Windows key up
}
public void SendCharmsKey()
{
SendKey(0x5B, 4); // Windows key down

98
KVMControlHook.cs Normal file
View File

@@ -0,0 +1,98 @@

using System;
using System.Runtime.InteropServices;
using System.Windows.Forms;
namespace MeshCentralRouter
{
public class KVMControlHook
{
public delegate void KVMCallback(byte keyCodes, byte lParam);
private KVMCallback _callback;
private KVMKeyboardHook.LowLevelKeyboardProc _proc;
private static IntPtr _hook = IntPtr.Zero;
protected static KVMControl _control;
internal KVMControlHook()
{
_proc = HookCallback;
AttachKeyboardHook();
}
private void AttachKeyboardHook()
{
try
{
_hook = KVMKeyboardHook.SetHook(_proc);
}
catch
{
DetachKeyboardHook();
throw new System.InvalidOperationException("Could not set hook.");
}
}
internal void AttachCallback(KVMCallback callback)
{
_callback = callback;
}
internal void DetachCallback()
{
_callback = null;
}
internal static void DetachKeyboardHook()
{
if (_hook != IntPtr.Zero)
KVMKeyboardHook.UnhookWindowsHookEx(_hook);
}
public IntPtr HookCallback(int nCode, IntPtr wParam, IntPtr lParam)
{
if (nCode >= 0)
{
bool alt = (Control.ModifierKeys & Keys.Alt) != 0;
bool control = (Control.ModifierKeys & Keys.Control) != 0;
Keys key = (Keys)Marshal.ReadInt32(lParam);
const int WM_KEYDOWN = 0x100;
const int WM_KEYUP = 0x101;
const int WM_SYSKEYDOWN = 0x104;
const int WM_SYSKEYUP = 0x105;
byte bkey = (byte)key;
byte keyStatus;
switch ((int)wParam)
{
case WM_KEYDOWN:
keyStatus = 0;
break;
case WM_KEYUP:
keyStatus = 1;
break;
case WM_SYSKEYDOWN:
keyStatus = 4;
break;
case WM_SYSKEYUP:
keyStatus = 5;
break;
default:
return KVMKeyboardHook.CallNextHookEx(_hook, nCode, wParam, lParam);
}
try
{
if (_callback != null)
{
_callback(bkey,keyStatus);
return (IntPtr)1;
}
}
catch { }
}
return KVMKeyboardHook.CallNextHookEx(_hook, nCode, wParam, lParam);
}
}
}

57
KVMKeyboardHook.cs Normal file
View File

@@ -0,0 +1,57 @@
/*
credit to https://github.com/shanselman/babysmash
Copyright (c) 2015 Scott Hanselman
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
using System;
using System.Diagnostics;
using System.Runtime.InteropServices;
namespace MeshCentralRouter
{
internal class KVMKeyboardHook
{
#region Delegates
public delegate IntPtr LowLevelKeyboardProc(int nCode, IntPtr wParam, IntPtr lParam);
#endregion
private const int WH_KEYBOARD_LL = 13;
private const int WM_KEYDOWN = 0x0100;
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)]
private 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, IntPtr wParam, IntPtr lParam);
[DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
private static extern IntPtr GetModuleHandle(string lpModuleName);
}
}

4
KVMViewer.Designer.cs generated
View File

@@ -200,6 +200,8 @@ namespace MeshCentralRouter
this.resizeKvmControl.ZoomToFit = false;
this.resizeKvmControl.StateChanged += new System.EventHandler(this.kvmControl_StateChanged);
this.resizeKvmControl.DisplaysReceived += new System.EventHandler(this.resizeKvmControl_DisplaysReceived);
this.resizeKvmControl.Enter += new System.EventHandler(this.resizeKvmControl_Enter);
this.resizeKvmControl.Leave += new System.EventHandler(this.resizeKvmControl_Leave);
//
// KVMViewer
//
@@ -211,6 +213,8 @@ namespace MeshCentralRouter
this.Controls.Add(this.topPanel);
this.Controls.Add(this.mainStatusStrip);
this.Name = "KVMViewer";
this.Activated += new System.EventHandler(this.KVMViewer_Activated);
this.Deactivate += new System.EventHandler(this.KVMViewer_Deactivate);
this.FormClosing += new System.Windows.Forms.FormClosingEventHandler(this.Main_FormClosing);
this.Load += new System.EventHandler(this.MainForm_Load);
this.Resize += new System.EventHandler(this.MainForm_Resize);

25
KVMViewer.cs
View File

@@ -36,7 +36,6 @@ namespace MeshCentralRouter
private bool sessionIsRecorded = false;
public webSocketClient wc = null;
public Dictionary<string, int> userSessions = null;
// Stats
public long bytesIn = 0;
public long bytesInCompressed = 0;
@@ -122,6 +121,7 @@ namespace MeshCentralRouter
state = 0;
wc.Dispose();
wc = null;
kvmControl.DetacheKeyboard();
break;
}
case webSocketClient.ConnectionStates.Connecting:
@@ -224,6 +224,7 @@ namespace MeshCentralRouter
{
// Connect
MenuItemConnect_Click(null, null);
kvmControl.AttachKeyboard();
}
displayMessage(null);
}
@@ -405,7 +406,7 @@ namespace MeshCentralRouter
private void winButton_Click(object sender, EventArgs e)
{
kvmControl.SendWindowsKey();
//kvmControl.SendWindowsKey();
}
private void charmButton_Click(object sender, EventArgs e)
@@ -480,5 +481,25 @@ namespace MeshCentralRouter
server.sendCommand("{\"action\":\"msg\",\"type\":\"setclip\",\"nodeid\":\"" + node.nodeid + "\",\"data\":\"" + textData + "\"}");
}
}
private void resizeKvmControl_Enter(object sender, EventArgs e)
{
kvmControl.AttachKeyboard();
}
private void resizeKvmControl_Leave(object sender, EventArgs e)
{
kvmControl.DetacheKeyboard();
}
private void KVMViewer_Deactivate(object sender, EventArgs e)
{
kvmControl.DetacheKeyboard();
}
private void KVMViewer_Activated(object sender, EventArgs e)
{
kvmControl.AttachKeyboard();
}
}
}

46
KVMViewer.resx
View File

@@ -121,31 +121,13 @@
<value>127, 17</value>
</metadata>
<assembly alias="System.Drawing" name="System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
<data name="mainToolStripStatusLabel.Size" type="System.Drawing.Size, System.Drawing">
<value>1029, 17</value>
</data>
<data name="mainToolStripStatusLabel.Text" xml:space="preserve">
<value>---</value>
</data>
<data name="mainToolStripStatusLabel.TextAlign" type="System.Drawing.ContentAlignment, System.Drawing">
<value>MiddleLeft</value>
</data>
<data name="toolStripStatusLabel1.Size" type="System.Drawing.Size, System.Drawing">
<value>13, 17</value>
</data>
<data name="toolStripStatusLabel1.Text" xml:space="preserve">
<value>v</value>
</data>
<assembly alias="mscorlib" name="mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
<data name="toolStripStatusLabel1.Visible" type="System.Boolean, mscorlib">
<value>False</value>
</data>
<data name="mainStatusStrip.Location" type="System.Drawing.Point, System.Drawing">
<value>0, 772</value>
<value>0, 727</value>
</data>
<data name="mainStatusStrip.Size" type="System.Drawing.Size, System.Drawing">
<value>1044, 22</value>
</data>
<assembly alias="mscorlib" name="mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
<data name="mainStatusStrip.TabIndex" type="System.Int32, mscorlib">
<value>9</value>
</data>
@@ -164,6 +146,24 @@
<data name="&gt;&gt;mainStatusStrip.ZOrder" xml:space="preserve">
<value>3</value>
</data>
<data name="mainToolStripStatusLabel.Size" type="System.Drawing.Size, System.Drawing">
<value>1029, 17</value>
</data>
<data name="mainToolStripStatusLabel.Text" xml:space="preserve">
<value>---</value>
</data>
<data name="mainToolStripStatusLabel.TextAlign" type="System.Drawing.ContentAlignment, System.Drawing">
<value>MiddleLeft</value>
</data>
<data name="toolStripStatusLabel1.Size" type="System.Drawing.Size, System.Drawing">
<value>13, 17</value>
</data>
<data name="toolStripStatusLabel1.Text" xml:space="preserve">
<value>v</value>
</data>
<data name="toolStripStatusLabel1.Visible" type="System.Boolean, mscorlib">
<value>False</value>
</data>
<metadata name="updateTimer.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
<value>264, 17</value>
</metadata>
@@ -583,7 +583,7 @@
<value>0, 32</value>
</data>
<data name="resizeKvmControl.Size" type="System.Drawing.Size, System.Drawing">
<value>1044, 740</value>
<value>1044, 695</value>
</data>
<data name="resizeKvmControl.TabIndex" type="System.Int32, mscorlib">
<value>10</value>
@@ -592,7 +592,7 @@
<value>resizeKvmControl</value>
</data>
<data name="&gt;&gt;resizeKvmControl.Type" xml:space="preserve">
<value>MeshCentralRouter.KVMResizeControl, MeshCentralRouter, Version=1.0.7565.29854, Culture=neutral, PublicKeyToken=null</value>
<value>MeshCentralRouter.KVMResizeControl, MeshCentralRouter, Version=1.0.7568.41332, Culture=neutral, PublicKeyToken=null</value>
</data>
<data name="&gt;&gt;resizeKvmControl.Parent" xml:space="preserve">
<value>$this</value>
@@ -607,7 +607,7 @@
<value>6, 13</value>
</data>
<data name="$this.ClientSize" type="System.Drawing.Size, System.Drawing">
<value>1044, 794</value>
<value>1044, 749</value>
</data>
<data name="$this.Icon" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
<value>

2
MainForm.cs
View File

@@ -143,7 +143,7 @@ namespace MeshCentralRouter
}
public string getRegValue(string name, string value)
{
try { return Registry.GetValue(@"HKEY_CURRENT_USER\SOFTWARE\Open Source\MeshCentral Router", name, value).ToString(); } catch (Exception) { return value; }
try {return Registry.GetValue(@"HKEY_CURRENT_USER\SOFTWARE\Open Source\MeshCentral Router", name, value).ToString(); } catch (Exception) { return value; }
}
public MainForm(string[] args)

2
MeshCentralRouter.csproj
View File

@@ -130,6 +130,8 @@
<Compile Include="InstallForm.Designer.cs">
<DependentUpon>InstallForm.cs</DependentUpon>
</Compile>
<Compile Include="KVMControlHook.cs" />
<Compile Include="KVMKeyboardHook.cs" />
<Compile Include="KVMControl.cs">
<SubType>UserControl</SubType>
</Compile>

1
Program.cs
View File

@@ -21,6 +21,7 @@ namespace MeshCentralRouter
{
static class Program
{
public static KVMControlHook controlHook = new KVMControlHook();
/// <summary>
/// The main entry point for the application.
/// </summary>