1 files changed, 60 insertions, 0 deletions
diff --git a/windows/keybuddy2/src/hookfuncs.cpp b/windows/keybuddy2/src/hookfuncs.cpp
new file mode 100644
index 0000000..26686a4
--- /dev/null
+++ b/windows/keybuddy2/src/hookfuncs.cpp
@@ -0,0 +1,60 @@
+
+#include "includes.h"
+
+HHOOK hHookKB2=NULL;
+
+// install low level keyboard hook
+int SetHook()
+{
+    int err = 0;
+    hHookKB2 = SetWindowsHookEx(WH_KEYBOARD_LL, (HOOKPROC)LowLevelKeyboardProc, GetModuleHandle( NULL ),0);
+    if(hHookKB2==NULL)
+    {
+        err = (int)GetLastError();
+        return err;
+    }
+    return 0;
+}
+
+// remove low level keyboard hook
+int RemoveHook()
+{
+    BOOL Hbool = 0;
+    int err = 0;
+    Hbool = UnhookWindowsHookEx(hHookKB2);
+    if(Hbool == 0)
+    {
+        err = (int)GetLastError();
+        return err;
+    }
+    return 0;
+}
+
+// this function is called by windows if a key is pressed
+LRESULT CALLBACK LowLevelKeyboardProc(int nCode, WPARAM wParam, LPARAM lParam)
+{
+    KBDLLHOOKSTRUCT *kbdl_struct;
+    
+    if(nCode != HC_ACTION){
+	    return ( CallNextHookEx(hHookKB2, nCode, wParam, lParam) );
+    }
+
+    kbdl_struct = (KBDLLHOOKSTRUCT*) lParam;
+
+	if(KeyBuddy2::ProcessKbdEvent(
+		wParam,
+		kbdl_struct->vkCode,
+		kbdl_struct->scanCode,
+		(kbdl_struct->flags & LLKHF_EXTENDED) !=0,
+		(kbdl_struct->flags & LLKHF_INJECTED) !=0,
+		(kbdl_struct->flags & LLKHF_ALTDOWN) !=0,
+		(kbdl_struct->flags & LLKHF_UP) !=0,
+		kbdl_struct->dwExtraInfo))
+	{
+		return ( CallNextHookEx(hHookKB2, nCode, wParam, lParam) );
+	}
+	else
+	{
+		return 1;
+	}
+}