Mouse input

src/elements/scroll.rs

@@ -80,16 +80,28 @@ impl Element for Scroll {
         if let Some(e) = event.get::<crossterm::event::Event>() {
             match e {
                 Event::Key(k) => match k.code {
-                    crossterm::event::KeyCode::Up => {
+                    crossterm::event::KeyCode::PageUp => {
                         self.scroll_offset = self.scroll_offset.saturating_sub(1)
                     }
-                    crossterm::event::KeyCode::Down => {
+                    crossterm::event::KeyCode::PageDown => {
                         if self.scroll_offset + 1 < self.render.1 {
                             self.scroll_offset += 1;
                         }
                     }
                     _ => {}
                 },
+
+                Event::Mouse(m) => match m.kind {
+                    crossterm::event::MouseEventKind::ScrollDown => {
+                        if self.scroll_offset + 1 < self.render.1 {
+                            self.scroll_offset += 1;
+                        }
+                    }
+                    crossterm::event::MouseEventKind::ScrollUp => {
+                        self.scroll_offset = self.scroll_offset.saturating_sub(1)
+                    }
+                    _ => {}
+                },
                 _ => {}
             }
         }

src/extensions/input_handling.rs

@@ -1,4 +1,14 @@
-use crate::extensions::{Extension, Context};
+use std::io::stdout;
+
+use crossterm::{
+    event::{
+        DisableMouseCapture, EnableMouseCapture, KeyboardEnhancementFlags,
+        PopKeyboardEnhancementFlags, PushKeyboardEnhancementFlags,
+    },
+    execute,
+};
+
+use crate::extensions::{Context, Extension};
 
 pub struct InputExtension;
 
@@ -6,6 +16,12 @@ impl Extension for InputExtension {
     fn init(&mut self, ctx: &Context) {
         let ctx = ctx.clone();
         crossterm::terminal::enable_raw_mode().unwrap();
+        execute!(
+            stdout(),
+            PushKeyboardEnhancementFlags(KeyboardEnhancementFlags::DISAMBIGUATE_ESCAPE_CODES)
+        )
+        .unwrap();
+        execute!(stdout(), EnableMouseCapture).unwrap();
         std::thread::spawn(move || loop {
             if let Ok(e) = crossterm::event::read() {
                 ctx.event(&e);
@@ -14,6 +30,8 @@ impl Extension for InputExtension {
     }
 
     fn on_close(&mut self) {
+        execute!(stdout(), PopKeyboardEnhancementFlags).unwrap();
+        execute!(stdout(), DisableMouseCapture).unwrap();
         crossterm::terminal::disable_raw_mode().unwrap();
     }
 }