Overhaul events system + add url_manager

src/app.rs

@@ -9,6 +9,7 @@ use crate::component::Component;
 use crate::components;
 use crate::keys::key_commands::KeyCommand;
 use crate::tui;
+
 pub struct App {
     pub tui: tui::Tui,
     pub tick_rate: Duration,
@@ -37,8 +38,16 @@ impl App {
             key_commands: self.key_commands.clone(),
             ..Default::default()
         };
-        let status_bar = components::status::StatusBar::default();
-        self.components = vec![Box::new(global_keys), Box::new(status_bar)];
+        let status_bar = components::status::StatusBar {
+            message: "Press '?' to show the help menu".to_string(),
+            ..Default::default()
+        };
+        let url_manager = components::url_manager::UrlManager::default();
+        self.components = vec![
+            Box::new(global_keys),
+            Box::new(status_bar),
+            Box::new(url_manager),
+        ];
 
         for component in &mut self.components {
             component.init()?;
@@ -67,16 +76,7 @@ impl App {
         };
 
         if let Some(event) = event {
-            let mut actions: Vec<AppAction> = vec![];
-            for component in &mut self.components {
-                if let Some(action) = component.handle_event(event.clone())? {
-                    actions.push(action);
-                }
-            }
-
-            for action in actions {
-                self.handle_action(action)?;
-            }
+            self.handle_event(event)?;
         }
 
         if self.should_quit {
@@ -94,10 +94,28 @@ impl App {
 
             // status bar
             let _ = self.components[1].render(frame, layout[1]);
+
             // global_keys
             let _ = self.components[0].render(frame, frame.size());
         })?;
 
+        self.update()?;
+
+        Ok(())
+    }
+
+    pub fn update(&mut self) -> Result<()> {
+        let mut events: Vec<AppEvent> = vec![];
+        for component in &mut self.components {
+            if let Some(event) = component.update() {
+                events.push(event);
+            }
+        }
+
+        for event in events {
+            self.handle_event(event)?;
+        }
+
         Ok(())
     }
 
@@ -119,4 +137,18 @@ impl App {
             }
         }
     }
+
+    fn handle_event(&mut self, event: AppEvent) -> Result<()> {
+        let mut actions: Vec<AppAction> = vec![];
+        for component in &mut self.components {
+            if let Some(action) = component.handle_event(event.clone()) {
+                actions.push(action);
+            }
+        }
+
+        for action in actions {
+            self.handle_action(action)?;
+        }
+        Ok(())
+    }
 }

src/app_action.rs

@@ -2,7 +2,6 @@ use std::fmt;
 
 #[derive(Default, Clone, Debug)]
 pub enum AppAction {
-    StatusBarGetInput(String),
     StatusBarSetMessage(String),
     StatusBarSetError(String),
     OpenUrl,

src/app_event.rs

@@ -6,6 +6,5 @@ pub enum AppEvent {
     Key(KeyEvent),
     Mouse(MouseEvent),
 
-    StatusBarInput(String),
     OpenUrl(Url),
 }

src/component.rs

@@ -14,32 +14,29 @@ pub trait Component {
     fn handle_action(&mut self, action: AppAction) {}
 
     #[allow(unused)]
-    fn handle_event(&mut self, event: AppEvent) -> Result<Option<AppAction>> {
+    fn handle_event(&mut self, event: AppEvent) -> Option<AppAction> {
         match event {
-            AppEvent::Key(key_event) => Ok(self.handle_key_event(key_event)?),
+            AppEvent::Key(key_event) => self.handle_key_event(key_event),
             AppEvent::Mouse(mouse_event) => {
-                Ok(self.handle_mouse_event(mouse_event)?)
+                self.handle_mouse_event(mouse_event)
             }
-            _ => Ok(None),
+            _ => None,
         }
     }
 
     #[allow(unused)]
-    fn handle_key_event(&mut self, key: KeyEvent) -> Result<Option<AppAction>> {
-        Ok(None)
+    fn handle_key_event(&mut self, key: KeyEvent) -> Option<AppAction> {
+        None
     }
 
     #[allow(unused)]
-    fn handle_mouse_event(
-        &mut self,
-        mouse: MouseEvent,
-    ) -> Result<Option<AppAction>> {
-        Ok(None)
+    fn handle_mouse_event(&mut self, mouse: MouseEvent) -> Option<AppAction> {
+        None
     }
 
     #[allow(unused)]
-    fn update(&mut self, action: AppAction) -> Result<Option<AppAction>> {
-        Ok(None)
+    fn update(&mut self) -> Option<AppEvent> {
+        None
     }
 
     fn render(&mut self, frame: &mut Frame, rect: Rect) -> Result<()>;

src/components/global_keys.rs

@@ -58,20 +58,17 @@ impl Component for GlobalKeys {
         self.scroll_state = self.scroll_state.position(self.scroll);
     }
 
-    fn handle_key_event(
-        &mut self,
-        key: KeyEvent,
-    ) -> eyre::Result<Option<AppAction>> {
+    fn handle_key_event(&mut self, key: KeyEvent) -> Option<AppAction> {
         if key.kind == KeyEventKind::Press {
             let key_event = serialize_key_event(key);
             for key_command in &mut self.key_commands {
                 if key_command.key_code == key_event {
-                    return Ok(Some(key_command.action.clone()));
+                    return Some(key_command.action.clone());
                 }
             }
         }
 
-        Ok(None)
+        None
     }
 
     fn render(&mut self, frame: &mut Frame, rect: Rect) -> eyre::Result<()> {

src/components/mod.rs

@@ -1,2 +1,3 @@
 pub mod global_keys;
 pub mod status;
+pub mod url_manager;

src/components/status.rs

@@ -2,29 +2,31 @@ use ratatui::prelude::*;
 use ratatui::widgets::*;
 
 use crate::app_action::AppAction;
+use crate::app_event::AppEvent;
 use crate::component::Component;
 use crate::keys::key_commands::serialize_key_event;
 
 #[derive(Default, Clone)]
 pub struct StatusBar {
-    message: String,
-    current_key: String,
-    error: bool,
+    pub message: String,
+    pub current_key: String,
+    pub error: bool,
+    pub url_to_open: Option<url::Url>,
 }
 
 impl Component for StatusBar {
     fn handle_key_event(
         &mut self,
         key: crossterm::event::KeyEvent,
-    ) -> eyre::Result<Option<AppAction>> {
+    ) -> Option<AppAction> {
         let key_str = serialize_key_event(key);
         self.current_key = key_str;
 
-        Ok(None)
+        None
     }
 
     fn handle_action(&mut self, action: crate::app_action::AppAction) {
-        match action {
+        match action.clone() {
             AppAction::StatusBarSetMessage(message) => {
                 self.error = false;
                 self.message = message;
@@ -33,14 +35,24 @@ impl Component for StatusBar {
                 self.error = true;
                 self.message = message;
             }
-            AppAction::StatusBarGetInput(_prompt) => todo!(),
-            _ => {
-                self.current_key += " ";
-                self.current_key += &action.to_string();
+            AppAction::OpenUrl => {
+                self.url_to_open =
+                    Some(url::Url::parse("molerat://example.com").unwrap());
             }
+            _ => {}
         }
     }
 
+    fn update(&mut self) -> Option<AppEvent> {
+        if let Some(url) = &self.url_to_open {
+            let event = AppEvent::OpenUrl(url.clone());
+            self.url_to_open = None;
+            return Some(event);
+        }
+
+        None
+    }
+
     fn render(
         &mut self,
         frame: &mut ratatui::prelude::Frame,

src/components/url_manager.rs

@@ -0,0 +1,34 @@
+use url::Url;
+
+use crate::app_action::AppAction;
+use crate::app_event::AppEvent;
+use crate::component::Component;
+
+#[derive(Default)]
+pub struct UrlManager {
+    url: Option<Url>,
+}
+
+impl Component for UrlManager {
+    fn handle_event(&mut self, event: AppEvent) -> Option<AppAction> {
+        match event {
+            AppEvent::OpenUrl(url) => {
+                self.url = Some(url.clone());
+                return Some(AppAction::StatusBarSetMessage(format!(
+                    "Opening {}",
+                    url.as_str()
+                )));
+            }
+            _ => {}
+        }
+        None
+    }
+
+    fn render(
+        &mut self,
+        _frame: &mut ratatui::prelude::Frame,
+        _rect: ratatui::prelude::Rect,
+    ) -> eyre::Result<()> {
+        Ok(())
+    }
+}

src/main.rs

@@ -21,7 +21,6 @@ fn main() -> Result<()> {
             description: "Open new link".to_string(),
             action: AppAction::OpenUrl,
         },
-
         // Navigation
         KeyCommand {
             key_code: "g".to_string(),
@@ -50,9 +49,9 @@ fn main() -> Result<()> {
         },
         KeyCommand {
             key_code: "?".to_string(),
-            description: "Show help menu".to_string(),
-            action: AppAction::ShowHelpMenu
-        }
+            description: "Toggle help menu".to_string(),
+            action: AppAction::ShowHelpMenu,
+        },
     ];
     app.key_commands.append(&mut key_commands);