Added Kebinds to start (F5) and stop (F6) program

README.md

@@ -4,6 +4,8 @@ __clumsy makes your network condition on Windows significantly worse, but in a m
 
 Leveraging the awesome [WinDivert](http://reqrypt.org/windivert.html), clumsy stops living network packets and capture them, lag/drop/tamper/.. the packets on demand, then send them away. Whether you want to track down weird bugs related to broken network, or evaluate your application on poor connections, clumsy will come in handy:
 
+Use F5 to start and F6 to stop the program.
+
 * No installation.
 * No need for proxy setup or code change in your application.
 * System wide network capturing means it works on any application.

src/main.c

@@ -3,6 +3,7 @@
 #include <string.h>
 #include <time.h>
 #include <Windows.h>
+#include <conio.h>
 #include "iup.h"
 #include "common.h"
 
@@ -31,6 +32,7 @@ static Ihandle *timer;
 static Ihandle *timeout = NULL;
 
 void showStatus(const char *line);
+static int KEYPRESS_CB(Ihandle *ih, int c, int press);
 static int uiOnDialogShow(Ihandle *ih, int state);
 static int uiStopCb(Ihandle *ih);
 static int uiStartCb(Ihandle *ih);
@@ -119,6 +121,37 @@ EAT_SPACE:  while (isspace(*current)) { ++current; }
     }
 }
 
+LRESULT CALLBACK LowLevelKeyboardProc( int nCode, WPARAM wParam, LPARAM lParam )
+{
+   char pressedKey;
+   // Declare a pointer to the KBDLLHOOKSTRUCTdsad
+   KBDLLHOOKSTRUCT *pKeyBoard = (KBDLLHOOKSTRUCT *)lParam;
+   switch( wParam )
+   {
+       case WM_KEYUP: // When the key has been pressed and released
+       {
+          //get the key code
+          pressedKey = (char)pKeyBoard->vkCode;
+       }
+       break;
+       default:
+           return CallNextHookEx( NULL, nCode, wParam, lParam );
+       break;
+   }
+
+    if(pressedKey == 116)
+    {
+        uiStartCb(NULL);
+    } else if(pressedKey == 117)
+    {
+        uiStopCb(NULL);
+    }
+    LOG("Character: %d", pressedKey);
+
+   //according to winapi all functions which implement a hook must return by calling next hook
+   return CallNextHookEx( NULL, nCode, wParam, lParam);
+}
+
 void init(int argc, char* argv[]) {
     UINT ix;
     Ihandle *topVbox, *bottomVbox, *dialogVBox, *controlHbox;
@@ -258,6 +291,11 @@ void init(int argc, char* argv[]) {
         IupSetCallback(timeout, "ACTION_CB", uiTimeoutCb);
         IupSetAttribute(timeout, "RUN", "YES");
     }
+
+     //Retrieve the applications instance
+    HINSTANCE instance = GetModuleHandle(NULL);
+    //Set a global Windows Hook to capture keystrokes using the function declared above
+    HHOOK test1 = SetWindowsHookEx( WH_KEYBOARD_LL, LowLevelKeyboardProc, instance,0);
 }
 
 void startup() {
@@ -286,6 +324,10 @@ void showStatus(const char *line) {
     IupStoreAttribute(statusLabel, "TITLE", line); 
 }
 
+static int KEYPRESS_CB(Ihandle *ih, int c, int press){
+    LOG("Character: %d",c);
+}
+
 // in fact only 32bit binary would run on 64 bit os
 // if this happens pop out message box and exit
 static BOOL check32RunningOn64(HWND hWnd) {
@@ -359,7 +401,10 @@ static int uiOnDialogShow(Ihandle *ih, int state) {
 
 static int uiStartCb(Ihandle *ih) {
     char buf[MSG_BUFSIZE];
-    UNREFERENCED_PARAMETER(ih);
+    if(ih)
+    {
+        UNREFERENCED_PARAMETER(ih);
+    }
     if (divertStart(IupGetAttribute(filterText, "VALUE"), buf) == 0) {
         showStatus(buf);
         return IUP_DEFAULT;
@@ -377,7 +422,10 @@ static int uiStartCb(Ihandle *ih) {
 
 static int uiStopCb(Ihandle *ih) {
     int ix;
-    UNREFERENCED_PARAMETER(ih);
+    if(ih)
+    {
+        UNREFERENCED_PARAMETER(ih);
+    }
 
     // try stopping
     IupSetAttribute(filterButton, "ACTIVE", "NO");