gui emits keydown/keyup as c/cargo run

src/gui.rs

@@ -31,7 +31,9 @@ struct Main {
    ntfy: String,
    configuring: Option<Message>,
    inputs: Inputs,
-   keys_down: Vec<iced::keyboard::KeyCode>,
+   keys_newly_down: Vec<iced::keyboard::KeyCode>,
+   keys_already_down: Vec<iced::keyboard::KeyCode>,
+   keys_up: Vec<iced::keyboard::KeyCode>,
    flags: Flags,
 }
 
@@ -77,6 +79,24 @@ fn controller_button_to_string(btn: Message, cur: iced::keyboard::KeyCode) -> St
    return format!("{:?} => {:?}", cur, btn);
 }
 
+impl Main {
+   fn key_code_to_string(&self, key_code: &iced::keyboard::KeyCode) -> Option<&String> {
+      match key_code {
+         _ if key_code == &self.inputs.stick.up => Some(&self.flags.cfg.up),
+         _ if key_code == &self.inputs.stick.down => Some(&self.flags.cfg.down),
+         _ if key_code == &self.inputs.stick.left => Some(&self.flags.cfg.left),
+         _ if key_code == &self.inputs.stick.right => Some(&self.flags.cfg.right),
+         _ if key_code == &self.inputs.a => Some(&self.flags.cfg.a),
+         _ if key_code == &self.inputs.b => Some(&self.flags.cfg.b),
+         _ if key_code == &self.inputs.x => Some(&self.flags.cfg.x),
+         _ if key_code == &self.inputs.y => Some(&self.flags.cfg.y),
+         _ if key_code == &self.inputs.l => Some(&self.flags.cfg.l),
+         _ if key_code == &self.inputs.r => Some(&self.flags.cfg.r),
+         _ => None,
+      }
+   }
+}
+
 impl Application for Main {
    type Message = Message;
    type Flags = Flags;
@@ -102,7 +122,9 @@ impl Application for Main {
             r: iced::keyboard::KeyCode::E,
          },
          flags: flags,
-         keys_down: vec![],
+         keys_newly_down: vec![],
+         keys_already_down: vec![],
+         keys_up: vec![],
       }, Command::none())
    }
 
@@ -114,30 +136,38 @@ impl Application for Main {
       match msg.clone() {
          Message::Tick => {
             let mut s = vec![];
-            for key_code in self.keys_down.iter() {
+            for key_code in self.keys_newly_down.iter() {
-               let nope = String::from("");
+               match self.key_code_to_string(key_code) {
-               let s2 = match key_code {
+                  Some(x) => {
-                  _ if key_code == &self.inputs.stick.up => &self.flags.cfg.up,
+                     for c in x.chars() {
-                  _ if key_code == &self.inputs.stick.down => &self.flags.cfg.down,
-                  _ if key_code == &self.inputs.stick.left => &self.flags.cfg.left,
-                  _ if key_code == &self.inputs.stick.right => &self.flags.cfg.right,
-                  _ if key_code == &self.inputs.a => &self.flags.cfg.a,
-                  _ if key_code == &self.inputs.b => &self.flags.cfg.b,
-                  _ if key_code == &self.inputs.x => &self.flags.cfg.x,
-                  _ if key_code == &self.inputs.y => &self.flags.cfg.y,
-                  _ if key_code == &self.inputs.l => &self.flags.cfg.l,
-                  _ if key_code == &self.inputs.r => &self.flags.cfg.r,
-                  _ => &nope,
-               };
-               if s2.len() > 0 {
-                  for c in s2.chars() {
                         s.push(c);
                      }
-               }
+                     self.keys_already_down.push(*key_code);
+                  },
+                  None => {},
+               };
             }
             if s.len() > 0 {
                self.flags.output_stream.put(s);
             }
+            self.keys_newly_down.clear();
+
+            let mut s = vec![];
+            for key_code in self.keys_up.iter() {
+               match self.key_code_to_string(key_code) {
+                  Some(x) => {
+                     for c in x.chars() {
+                        s.push('!');
+                        s.push(c);
+                     }
+                  },
+                  None => {},
+               };
+            }
+            if s.len() > 0 {
+               self.flags.output_stream.put(s);
+            }
+            self.keys_up.clear();
          },
          Message::EventOccurred(event) if self.configuring.is_some() => {
             match event {
@@ -172,15 +202,30 @@ impl Application for Main {
                   modifiers: _,
                   ..
                }) => {
-                  self.keys_down.push(key_code);
+                  match self.keys_already_down.iter().position(|x| *x == key_code) {
-                  self.keys_down.dedup();
+                     Some(_) => {},
+                     None => {
+                        self.keys_newly_down.push(key_code);
+                        self.keys_newly_down.dedup();
+                     },
+                  };
                },
                iced::event::Event::Keyboard(keyboard::Event::KeyReleased{
                   key_code,
                   ..
                }) => {
-                  match self.keys_down.iter().position(|x| *x == key_code) {
+                  match self.keys_already_down.iter().position(|x| *x == key_code) {
-                     Some(idx) => { self.keys_down.remove(idx); },
+                     Some(idx) => {
+                        self.keys_already_down.remove(idx);
+                        self.keys_up.push(key_code);
+                     },
+                     None => {},
+                  };
+                  match self.keys_newly_down.iter().position(|x| *x == key_code) {
+                     Some(idx) => {
+                        self.keys_newly_down.remove(idx);
+                        self.keys_up.push(key_code);
+                     },
                      None => {},
                   };
                },