4 files changed, 267 insertions, 0 deletions
diff --git a/hook/Hook.dsp b/hook/Hook.dsp
new file mode 100644
index 0000000..6a4b773
--- /dev/null
+++ b/hook/Hook.dsp
@@ -0,0 +1,126 @@
+# Microsoft Developer Studio Project File - Name="Hook" - Package Owner=<4>
+# Microsoft Developer Studio Generated Build File, Format Version 6.00
+# ** DO NOT EDIT **
+
+# TARGTYPE "Win32 (x86) Dynamic-Link Library" 0x0102
+
+CFG=Hook - Win32 Debug
+!MESSAGE This is not a valid makefile. To build this project using NMAKE,
+!MESSAGE use the Export Makefile command and run
+!MESSAGE 
+!MESSAGE NMAKE /f "Hook.mak".
+!MESSAGE 
+!MESSAGE You can specify a configuration when running NMAKE
+!MESSAGE by defining the macro CFG on the command line. For example:
+!MESSAGE 
+!MESSAGE NMAKE /f "Hook.mak" CFG="Hook - Win32 Debug"
+!MESSAGE 
+!MESSAGE Possible choices for configuration are:
+!MESSAGE 
+!MESSAGE "Hook - Win32 Release" (based on "Win32 (x86) Dynamic-Link Library")
+!MESSAGE "Hook - Win32 Debug" (based on "Win32 (x86) Dynamic-Link Library")
+!MESSAGE 
+
+# Begin Project
+# PROP AllowPerConfigDependencies 0
+# PROP Scc_ProjName ""
+# PROP Scc_LocalPath ""
+CPP=cl.exe
+MTL=midl.exe
+RSC=rc.exe
+
+!IF  "$(CFG)" == "Hook - Win32 Release"
+
+# PROP BASE Use_MFC 0
+# PROP BASE Use_Debug_Libraries 0
+# PROP BASE Output_Dir "Release"
+# PROP BASE Intermediate_Dir "Release"
+# PROP BASE Target_Dir ""
+# PROP Use_MFC 0
+# PROP Use_Debug_Libraries 0
+# PROP Output_Dir "release"
+# PROP Intermediate_Dir "release"
+# PROP Ignore_Export_Lib 0
+# PROP Target_Dir ""
+# ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "HOOK_EXPORTS" /Yu"stdafx.h" /FD /c
+# ADD CPP /nologo /MT /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "HOOK_EXPORTS" /Yu"stdafx.h" /FD /c
+# ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /win32
+# ADD MTL /nologo /D "NDEBUG" /mktyplib203 /win32
+# ADD BASE RSC /l 0x409 /d "NDEBUG"
+# ADD RSC /l 0x409 /d "NDEBUG"
+BSC32=bscmake.exe
+# ADD BASE BSC32 /nologo
+# ADD BSC32 /nologo
+LINK32=link.exe
+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /dll /machine:I386
+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib /nologo /dll /machine:I386 /def:".\hook.def" /out:"../release/wpm.dll" /opt:nowin98
+# SUBTRACT LINK32 /pdb:none
+
+!ELSEIF  "$(CFG)" == "Hook - Win32 Debug"
+
+# PROP BASE Use_MFC 0
+# PROP BASE Use_Debug_Libraries 1
+# PROP BASE Output_Dir "Debug"
+# PROP BASE Intermediate_Dir "Debug"
+# PROP BASE Target_Dir ""
+# PROP Use_MFC 0
+# PROP Use_Debug_Libraries 1
+# PROP Output_Dir "Debug"
+# PROP Intermediate_Dir "Debug"
+# PROP Ignore_Export_Lib 0
+# PROP Target_Dir ""
+# ADD BASE CPP /nologo /MTd /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "HOOK_EXPORTS" /Yu"stdafx.h" /FD /GZ /c
+# ADD CPP /nologo /MTd /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "HOOK_EXPORTS" /Yu"stdafx.h" /FD /GZ /c
+# ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /win32
+# ADD MTL /nologo /D "_DEBUG" /mktyplib203 /win32
+# ADD BASE RSC /l 0x409 /d "_DEBUG"
+# ADD RSC /l 0x409 /d "_DEBUG"
+BSC32=bscmake.exe
+# ADD BASE BSC32 /nologo
+# ADD BSC32 /nologo
+LINK32=link.exe
+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /dll /debug /machine:I386 /pdbtype:sept
+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /dll /debug /machine:I386 /out:"../debug/wpm.dll" /pdbtype:sept
+
+!ENDIF 
+
+# Begin Target
+
+# Name "Hook - Win32 Release"
+# Name "Hook - Win32 Debug"
+# Begin Group "Source Files"
+
+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"
+# Begin Source File
+
+SOURCE=.\hook.c
+# SUBTRACT CPP /YX /Yc /Yu
+# End Source File
+# Begin Source File
+
+SOURCE=.\hook.def
+
+!IF  "$(CFG)" == "Hook - Win32 Release"
+
+# PROP Exclude_From_Build 1
+
+!ELSEIF  "$(CFG)" == "Hook - Win32 Debug"
+
+!ENDIF 
+
+# End Source File
+# End Group
+# Begin Group "Header Files"
+
+# PROP Default_Filter "h;hpp;hxx;hm;inl"
+# Begin Source File
+
+SOURCE=.\Hook.h
+# End Source File
+# End Group
+# Begin Group "Resource Files"
+
+# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"
+# End Group
+# End Target
+# End Project
diff --git a/hook/hook.c b/hook/hook.c
new file mode 100644
index 0000000..0a8f456
--- /dev/null
+++ b/hook/hook.c
@@ -0,0 +1,96 @@
+// 
+// AUTHOR
+// N. Nielsen
+//
+// LICENSE
+// This software is in the public domain.
+//
+// The software is provided "as is", without warranty of any kind,
+// express or implied, including but not limited to the warranties
+// of merchantability, fitness for a particular purpose, and
+// noninfringement. In no event shall the author(s) be liable for any
+// claim, damages, or other liability, whether in an action of
+// contract, tort, or otherwise, arising from, out of, or in connection
+// with the software or the use or other dealings in the software.
+// 
+// SUPPORT
+// Send bug reports to: <nielsen@memberwebs.com>
+//
+
+#define WIN32_LEAN_AND_MEAN		// Exclude rarely-used stuff from Windows headers
+#include <windows.h>
+#include "hook.h"
+
+#ifndef ASSERT
+	#include <assert.h>
+	#define ASSERT assert
+#endif
+
+HMODULE g_hMod = NULL;
+
+#pragma data_seg(".shared")
+HHOOK g_hHook = NULL;
+LONG g_nCur = 0;
+#pragma data_seg()
+
+
+BOOL APIENTRY DllMain( HINSTANCE hModule, 
+                       DWORD  ul_reason_for_call, 
+                       LPVOID lpReserved )
+{
+    switch (ul_reason_for_call)
+	{
+		case DLL_PROCESS_ATTACH:
+			g_hMod = hModule;
+			break;
+		case DLL_PROCESS_DETACH:
+			g_hMod = NULL;
+			break;
+    }
+    return TRUE;
+}
+
+LRESULT CALLBACK KeyboardProc(int code, WPARAM wParam, LPARAM lParam)
+{
+	ASSERT(g_hHook);
+
+	if(code == HC_ACTION)
+	{
+		if(!(HIWORD(lParam) & KF_UP))
+		{
+			// Although this is not perfect, it's good enough as the
+			// keyboard will usually only be used by one thread at a time
+			InterlockedExchange(&g_nCur, (LONG)(g_nCur + LOWORD(lParam)));
+		}
+	}
+
+	return (int)CallNextHookEx(g_hHook, code, wParam, lParam); 
+}
+
+HOOK_API HRESULT InstallSpeedHook()
+{
+	ASSERT(g_hMod);
+	g_hHook = SetWindowsHookEx(WH_KEYBOARD, KeyboardProc, g_hMod, 0);
+
+	if(!g_hHook)
+		return HRESULT_FROM_WIN32(GetLastError());
+
+	return S_OK;
+}
+
+HOOK_API HRESULT RemoveSpeedHook()
+{
+	ASSERT(g_hHook);
+	return UnhookWindowsHookEx(g_hHook) ? S_OK : HRESULT_FROM_WIN32(GetLastError());
+}
+
+HOOK_API int GetCurSpeedCount()
+{
+	return g_nCur;
+}
+
+HOOK_API void ClearSpeedCount()
+{
+	InterlockedExchange(&g_nCur, 0L);
+}
+
diff --git a/hook/hook.def b/hook/hook.def
new file mode 100644
index 0000000..214cdbd
--- /dev/null
+++ b/hook/hook.def
@@ -0,0 +1,6 @@
+; hook.def : declares the module parameters for the DLL.
+
+LIBRARY	     "wpm"
+   
+SECTIONS   
+	.shared   READ WRITE SHARED
diff --git a/hook/hook.h b/hook/hook.h
new file mode 100644
index 0000000..b2fd4e1
--- /dev/null
+++ b/hook/hook.h
@@ -0,0 +1,39 @@
+// 
+// AUTHOR
+// N. Nielsen
+//
+// LICENSE
+// This software is in the public domain.
+//
+// The software is provided "as is", without warranty of any kind,
+// express or implied, including but not limited to the warranties
+// of merchantability, fitness for a particular purpose, and
+// noninfringement. In no event shall the author(s) be liable for any
+// claim, damages, or other liability, whether in an action of
+// contract, tort, or otherwise, arising from, out of, or in connection
+// with the software or the use or other dealings in the software.
+// 
+// SUPPORT
+// Send bug reports to: <nielsen@memberwebs.com>
+//
+
+#ifdef __cplusplus
+#define EXTERNC extern "C"
+#else
+#define EXTERNC
+#endif
+
+#ifdef HOOK_EXPORTS
+#define HOOK_API EXTERNC __declspec(dllexport)
+#else
+#define HOOK_API EXTERNC __declspec(dllimport)
+#endif
+
+HOOK_API HRESULT InstallSpeedHook();
+HOOK_API HRESULT RemoveSpeedHook();
+
+HOOK_API int GetCurSpeedCount();
+HOOK_API void ClearSpeedCount();
+
+
+