diff --git a/src/bin/easymacrorec.rs b/src/bin/easymacrorec.rs
index 2138320..4227dc4 100644
--- a/src/bin/easymacrorec.rs
+++ b/src/bin/easymacrorec.rs
@@ -1,9 +1,10 @@
-use std::os::raw::c_uint;
+use std::os::raw::{c_char, c_uint};
 use std::process::{exit, ExitCode};
 use clap::Parser;
 use x11::keysym::XK_Escape;
 use x11::xinput2::XIGrabModeSync;
-use x11::xlib::{CurrentTime, GrabModeAsync, GrabModeSync, GrabSuccess, KeyCode, KeyPress, KeyPressMask, SyncPointer, XEvent};
+use x11::xlib::{CurrentTime, GrabModeAsync, GrabModeSync, GrabSuccess, KeyCode, KeyPress, KeyPressMask, SyncPointer, XEvent, XPointer};
+use x11::xrecord::{XRecordEndOfData, XRecordInterceptData, XRecordStartOfData};
 use easymacros::x11_safe_wrapper::{Keycode, XDisplay};
 
 /// Macro recording module for easymacros. Outputs are partially compatible with xmacro.
@@ -11,8 +12,8 @@ use easymacros::x11_safe_wrapper::{Keycode, XDisplay};
 #[clap(author, version, about, long_about = None)]
 struct Args {
 	/// The file that contains the macro to run.
-	#[clap(value_parser, value_name = "input_file", value_hint = clap::ValueHint::FilePath)]
-	output_file: std::path::PathBuf,
+	#[clap(value_parser, value_name = "output_file", value_hint = clap::ValueHint::FilePath)]
+	output_file: Option<std::path::PathBuf>,
 	/// Display to run the macro on. This uses the $DISPLAY environment variable by default.
 	#[clap(short, long)]
 	display: Option<String>,
@@ -24,7 +25,7 @@ fn main() {
 
 	let stop_key = get_stop_key(display);
 
-
+	dbg!(stop_key);
 }
 
 fn get_stop_key(display: XDisplay) -> Keycode {
@@ -40,7 +41,7 @@ fn get_stop_key(display: XDisplay) -> Keycode {
 
 	println!("Press the key you want to use to stop recording the macro.");
 
-	let mut stop_key = XK_Escape;
+	let mut stop_key: Keycode = XK_Escape;
 
 	loop {
 		display.allow_events(SyncPointer, CurrentTime);
@@ -60,6 +61,22 @@ fn get_stop_key(display: XDisplay) -> Keycode {
 	stop_key
 }
 
-unsafe extern "C" fn ev_callback() {
+fn ev_loop(display: XDisplay, screen: i32, stop_key: Keycode) {
+	let root = display.get_root_window(screen);
+}
+
+struct EvCallbackData {
+	stop_key: Keycode,
+	x: i32,
+	y: i32,
+}
+
+unsafe extern "C" fn ev_callback(closure: *mut c_char, intercept_data: *mut XRecordInterceptData) {
+	let data = &mut *(closure as *mut EvCallbackData);
+	let intercept_data = &mut *intercept_data;
+
+	if intercept_data.category == XRecordStartOfData { println!("Got start of data!"); }
+	else if intercept_data.category == XRecordEndOfData { println!("Got end of data!");}
+
 
 }
\ No newline at end of file