updated a few things

src/app.rs

@@ -1,6 +1,9 @@
-use crossterm::terminal::enable_raw_mode;
+use crossterm::terminal::{disable_raw_mode, enable_raw_mode};
 
-use crate::{clear, create_frame, flush, get_term_size, render_to_frame, Element, State, StateChanger, Value};
+use crate::{
+    utils::{clear, create_frame, flush, get_term_size, hide_cursor, render_to_frame, show_cursor}, Element,
+    State, StateChanger,
+};
 use std::ffi::c_void;
 
 pub struct ElementWrapper<'a> {
@@ -27,7 +30,7 @@ extern "C" {
 pub extern "C" fn render(ptr: *mut c_void, state: u32) {
     let element = unsafe { ElementWrapper::from_raw(ptr) };
     let (width, height) = get_term_size();
-    let mut frame: Vec<String> = create_frame(Value::new(width), Value::new(height));
+    let mut frame: Vec<String> = create_frame(width, height);
     render_to_frame(State::from_u32(state), width, &mut frame, element);
     clear();
     print!("{}", frame.join(""));
@@ -38,13 +41,31 @@ pub extern "C" fn render(ptr: *mut c_void, state: u32) {
 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) };
+    if let crossterm::event::Event::Resize(width, height) = event {
+        element.update_data(width as usize, height as usize);
+    }
+    element.event(event, &StateChanger(state));
+}
+
+#[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 (width, height) = get_term_size();
+    element.update_data(width, height);
     element.event(event, &StateChanger(state));
 }
 
 pub fn run(data: &mut Box<dyn Element>) -> bool {
+    hide_cursor();
     enable_raw_mode().unwrap();
+    clear();
     unsafe {
         let element_ptr = ElementWrapper::new(data);
-        return c_run(element_ptr);
+        let c = c_run(element_ptr);
+        show_cursor();
+        disable_raw_mode().unwrap();
+        clear();
+        return c;
     }
 }