diff --git a/Notepad.Extensions.Logging/LoggingBuilderExtensions.cs b/Notepad.Extensions.Logging/LoggingBuilderExtensions.cs index 77a6920..5caaf34 100644 --- a/Notepad.Extensions.Logging/LoggingBuilderExtensions.cs +++ b/Notepad.Extensions.Logging/LoggingBuilderExtensions.cs @@ -1,4 +1,6 @@ -namespace Microsoft.Extensions.Logging +using Notepad.Extensions.Logging; + +namespace Microsoft.Extensions.Logging { public static class LoggingBuilderExtensions { diff --git a/Notepad.Extensions.Logging/NativeMethods.cs b/Notepad.Extensions.Logging/NativeMethods.cs index 9426460..873b5de 100644 --- a/Notepad.Extensions.Logging/NativeMethods.cs +++ b/Notepad.Extensions.Logging/NativeMethods.cs @@ -2,7 +2,7 @@ using System.Runtime.InteropServices; using System.Text; -namespace Microsoft.Extensions.Logging +namespace Notepad.Extensions.Logging { static class NativeMethods { @@ -17,6 +17,11 @@ namespace Microsoft.Extensions.Logging [DllImport("User32.dll", CharSet = CharSet.Unicode, SetLastError = true)] public static extern IntPtr SendMessage(IntPtr hWnd, int Msg, IntPtr wParam, [MarshalAs(UnmanagedType.LPWStr)] string lParam); + public const int SCI_ADDTEXT = 2001; + + [DllImport("User32.dll", CharSet = CharSet.Unicode, SetLastError = true)] + public static extern IntPtr SendMessage(IntPtr hWnd, int Msg, IntPtr wParam, IntPtr lParam); + public delegate bool EnumWindowsDelegate(IntPtr hWnd, IntPtr lParam); [DllImport("user32.dll")] @@ -24,5 +29,23 @@ namespace Microsoft.Extensions.Logging [DllImport("User32.dll")] public static extern int GetWindowText(IntPtr hWndParent, StringBuilder sb, int maxCount); + + [DllImport("kernel32.dll", SetLastError = true)] + public static extern IntPtr VirtualAllocEx(IntPtr hProcess, IntPtr lpAddress, IntPtr dwSize, int flAllocationType, int flProtect); + + public const int MEM_COMMIT = 0x00001000; + public const int MEM_RESERVE = 0x00002000; + public const int MEM_RELEASE = 0x8000; + public const int PAGE_READWRITE = 0x04; + + [DllImport("kernel32.dll", SetLastError = true)] + [return: MarshalAs(UnmanagedType.Bool)] + public static extern bool VirtualFreeEx(IntPtr hProcess, IntPtr lpAddress, IntPtr dwSize, int dwFreeType); + + [DllImport("User32.dll")] + public static extern int GetWindowThreadProcessId(IntPtr hWnd, out int lpdwProcessId); + + [DllImport("kernel32.dll", SetLastError = true)] + public static extern int WriteProcessMemory(IntPtr hProcess, IntPtr lpBaseAddress, byte[] lpBuffer, IntPtr nSize, out IntPtr lpNumberOfBytesWritten); } } diff --git a/Notepad.Extensions.Logging/Notepad.Extensions.Logging.csproj b/Notepad.Extensions.Logging/Notepad.Extensions.Logging.csproj index 6249221..7254b23 100644 --- a/Notepad.Extensions.Logging/Notepad.Extensions.Logging.csproj +++ b/Notepad.Extensions.Logging/Notepad.Extensions.Logging.csproj @@ -10,6 +10,7 @@ git Apache-2.0 true + true diff --git a/Notepad.Extensions.Logging/NotepadLogger.cs b/Notepad.Extensions.Logging/NotepadLogger.cs index 754fd9b..f5552e5 100644 --- a/Notepad.Extensions.Logging/NotepadLogger.cs +++ b/Notepad.Extensions.Logging/NotepadLogger.cs @@ -1,9 +1,14 @@ using System; +using System.Buffers; +using System.ComponentModel; +using System.Diagnostics; using System.Runtime.InteropServices; using System.Text; +using Microsoft.Extensions.Logging; using Microsoft.Extensions.ObjectPool; +using static Notepad.Extensions.Logging.NativeMethods; -namespace Microsoft.Extensions.Logging +namespace Notepad.Extensions.Logging { class NotepadLogger : ILogger { @@ -84,8 +89,55 @@ namespace Microsoft.Extensions.Logging static void WriteToNotepad(string message) { - IntPtr hwnd = WindowFinder.FindNotepadWindow(); - NativeMethods.SendMessage(hwnd, NativeMethods.EM_REPLACESEL, (IntPtr)1, message); + var (kind, hwnd) = WindowFinder.FindNotepadWindow(); + switch (kind) + { + case WindowKind.Notepad: + SendMessage(hwnd, EM_REPLACESEL, (IntPtr)1, message); + break; + + case WindowKind.NotepadPlusPlus: + { + WriteToNotepadPlusPlus(hwnd, message); + break; + } + } + } + + unsafe static void WriteToNotepadPlusPlus(IntPtr hwnd, string message) + { + var dataLength = Encoding.UTF8.GetByteCount(message); + + // + // HERE BE DRAGONS + // We need to copy the message into Notepad++'s memory so that it can read it. + // Look away now, before its too late. + // + + var threadID = GetWindowThreadProcessId(hwnd, out var remoteProcessId); + using var remoteProcess = Process.GetProcessById(remoteProcessId); + var mem = VirtualAllocEx(remoteProcess.Handle, IntPtr.Zero, (IntPtr)dataLength, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE); + if (mem == IntPtr.Zero) throw new Win32Exception(); + + try + { + var data = ArrayPool.Shared.Rent(dataLength); + try + { + var idx = Encoding.UTF8.GetBytes(message, 0, message.Length, data, 0); + + WriteProcessMemory(remoteProcess.Handle, mem, data, (IntPtr)dataLength, out var bytesWritten); + SendMessage(hwnd, SCI_ADDTEXT, (IntPtr)dataLength, mem); + } + finally + { + ArrayPool.Shared.Return(data); + } + } + finally + { + VirtualFreeEx(remoteProcess.Handle, IntPtr.Zero, IntPtr.Zero, MEM_RELEASE); + } } } } diff --git a/Notepad.Extensions.Logging/NotepadLoggerProvider.cs b/Notepad.Extensions.Logging/NotepadLoggerProvider.cs index e8c87b6..601cb8a 100644 --- a/Notepad.Extensions.Logging/NotepadLoggerProvider.cs +++ b/Notepad.Extensions.Logging/NotepadLoggerProvider.cs @@ -1,7 +1,8 @@ using System.Text; +using Microsoft.Extensions.Logging; using Microsoft.Extensions.ObjectPool; -namespace Microsoft.Extensions.Logging +namespace Notepad.Extensions.Logging { class NotepadLoggerProvider : ILoggerProvider { diff --git a/Notepad.Extensions.Logging/NullDisposable.cs b/Notepad.Extensions.Logging/NullDisposable.cs index 4e3e782..a8b7db3 100644 --- a/Notepad.Extensions.Logging/NullDisposable.cs +++ b/Notepad.Extensions.Logging/NullDisposable.cs @@ -1,6 +1,6 @@ using System; -namespace Microsoft.Extensions.Logging +namespace Notepad.Extensions.Logging { class NullDisposable : IDisposable { diff --git a/Notepad.Extensions.Logging/WindowFinder.cs b/Notepad.Extensions.Logging/WindowFinder.cs index 8c9b084..a5875ba 100644 --- a/Notepad.Extensions.Logging/WindowFinder.cs +++ b/Notepad.Extensions.Logging/WindowFinder.cs @@ -3,23 +3,25 @@ using System.ComponentModel; using System.Text; using System.Text.RegularExpressions; -namespace Microsoft.Extensions.Logging +namespace Notepad.Extensions.Logging { static class WindowFinder { - public static IntPtr FindNotepadWindow() + + public static (WindowKind kind, IntPtr hwnd) FindNotepadWindow() { sb ??= new StringBuilder(4096); try { FindMainWindow(); - return handle; + return (windowKind, handle); } finally { handle = IntPtr.Zero; sb.Clear(); + windowKind = WindowKind.Invalid; } } @@ -41,6 +43,12 @@ namespace Microsoft.Extensions.Logging WindowFinder.handle = hWnd; + if (sb.Length > 0 && sb[0] == '*') + { + // Notepad and Notepad++ both mark dirty documents by adding a leading asterisk to the window name. + sb.Remove(0, 1); + } + if (IsKnownNotepadWindow(sb.ToString())) { return false; @@ -51,6 +59,9 @@ namespace Microsoft.Extensions.Logging [ThreadStatic] static IntPtr handle; + [ThreadStatic] + static WindowKind windowKind; + [ThreadStatic] static StringBuilder sb; @@ -61,14 +72,15 @@ namespace Microsoft.Extensions.Logging switch (titleText) { case "Untitled - Notepad": - case "*Untitled - Notepad": + windowKind = WindowKind.Notepad; handle = NativeMethods.FindWindowEx(handle, IntPtr.Zero, "EDIT", null); return true; } if (notepadPlusPlusRegex.IsMatch(titleText)) { - handle = NativeMethods.FindWindowEx(handle, IntPtr.Zero, "SysTabControl32", null); + windowKind = WindowKind.NotepadPlusPlus; + handle = NativeMethods.FindWindowEx(handle, IntPtr.Zero, "Scintilla", null); return true; } diff --git a/Notepad.Extensions.Logging/WindowKind.cs b/Notepad.Extensions.Logging/WindowKind.cs new file mode 100644 index 0000000..d79e383 --- /dev/null +++ b/Notepad.Extensions.Logging/WindowKind.cs @@ -0,0 +1,9 @@ +namespace Notepad.Extensions.Logging +{ + public enum WindowKind + { + Invalid, + Notepad, + NotepadPlusPlus + } +}