chore: start work on callback refactor

Cargo.lock

@@ -635,11 +635,10 @@ dependencies = [
 ]
 
 [[package]]
-name = "wmenu"
+name = "wmenu-rs"
 version = "0.1.0"
 dependencies = [
  "gag",
- "pangocairo-sys",
  "wmenu-sys",
 ]
 

src/lib.rs

@@ -7,6 +7,8 @@ use std::{
 
 use wmenu_sys::bindings;
 
+type Callback = fn(menu: &mut Menu, text: &str) -> bool;
+
 unsafe extern "C" fn print_item(menu: *mut bindings::menu, text: *mut i8, exit: bool) {
     wmenu_sys::bindings::puts(text);
     wmenu_sys::bindings::fflush(bindings::stdout);
@@ -45,9 +47,9 @@ pub struct Menu {
 }
 
 impl Menu {
-    pub fn new() -> Menu {
+    pub fn new(callback: Callback) -> Menu {
         Self {
-            ctx: unsafe { bindings::menu_create(Some(print_item)) },
+            ctx: unsafe { bindings::menu_create(Some(callback)) },
         }
     }