removed wrapper

src/app.rs

@@ -6,23 +6,16 @@ use crate::{
 };
 use std::ffi::c_void;
 
-struct ElementWrapper<'a>(&'a mut Element);
-
-impl<'a> ElementWrapper<'a> {
-    pub unsafe fn from_raw(ptr: *mut c_void) -> &'a mut Element {
-        assert!(!ptr.is_null(), "Pointer to ElementWrapper is null");
-        let wrapper = ptr as *mut ElementWrapper;
-        (*wrapper).0
-    }
-}
-
 extern "C" {
     fn c_run(element: *mut c_void) -> bool;
 }
 
 #[no_mangle]
 pub extern "C" fn render(ptr: *mut c_void, state: u32) {
-    let element = unsafe { ElementWrapper::from_raw(ptr) };
+    let element = unsafe {
+        assert!(!ptr.is_null(), "Pointer is null");
+        &mut *(ptr as *mut Element)
+    };
     let (width, height) = get_term_size();
     let mut frame: Vec<String> = create_frame(width, height);
     render_to_frame(State::from_u32(state), width, &mut frame, element);
@@ -34,7 +27,10 @@ pub extern "C" fn render(ptr: *mut c_void, state: u32) {
 #[no_mangle]
 pub extern "C" fn event(ptr: *mut c_void, state: *mut u32) {
     let event = crossterm::event::read().unwrap();
-    let element = unsafe { ElementWrapper::from_raw(ptr) };
+    let element = unsafe {
+        assert!(!ptr.is_null(), "Pointer is null");
+        &mut *(ptr as *mut Element)
+    };
     if let crossterm::event::Event::Resize(width, height) = event {
         element.update_data(width as usize, height as usize);
     }
@@ -44,7 +40,10 @@ pub extern "C" fn event(ptr: *mut c_void, state: *mut u32) {
 #[no_mangle]
 pub extern "C" fn init_event(ptr: *mut c_void, state: *mut u32) {
     let event = crossterm::event::Event::FocusGained;
-    let element = unsafe { ElementWrapper::from_raw(ptr) };
+    let element = unsafe {
+        assert!(!ptr.is_null(), "Pointer is null");
+        &mut *(ptr as *mut Element)
+    };
     let (width, height) = get_term_size();
     element.update_data(width, height);
     element.event(event, &StateChanger(state));
@@ -55,7 +54,7 @@ pub fn run(element: &mut Element) -> bool {
     enable_raw_mode().unwrap();
     clear();
     unsafe {
-        let c = c_run(&mut ElementWrapper(element) as *mut ElementWrapper as *mut c_void);
+        let c = c_run(element as *mut Element as *mut c_void);
         show_cursor();
         disable_raw_mode().unwrap();
         clear();