Can move with j and k

src/main.rs

@@ -1,7 +1,8 @@
 use cursive::traits::*;
 use cursive::align::HAlign;
 use cursive::view::Scrollable;
-use cursive::views::{Dialog, Panel, TextView, EditView, SelectView};
+use cursive::views::{Dialog, Panel, TextView, EditView, SelectView, OnEventView};
+use cursive::event::{EventResult};
 use cursive::Cursive;
 
 extern crate native_tls;
@@ -13,7 +14,6 @@ use regex::Regex;
 use std::net::TcpStream;
 use std::io::{Read, Write};
 
-use std::env;
 use std::fs::File;
 use std::fs::OpenOptions;
 use std::str;
@@ -99,6 +99,16 @@ fn visit_url(s: &mut Cursive, url: &str) {
             select.add_all_str(new_content.lines());
             select.set_on_submit(follow_link);
 
+            let select = OnEventView::new(select)
+                .on_pre_event_inner('k', |s, _| {
+                    s.select_up(1);
+                    Some(EventResult::Consumed(None))
+                })
+                .on_pre_event_inner('j', |s, _| {
+                    s.select_down(1);
+                    Some(EventResult::Consumed(None))
+                });
+
             s.add_layer(
                 Dialog::around(select.scrollable().full_screen()).title(url),
             );
@@ -121,9 +131,9 @@ fn follow_link(s: &mut Cursive, line: &str) {
         let next_url = if url.starts_with("gemini://") {
             url.to_owned()
         } else if url.starts_with("/") {
-            format!("{}{}", get_last_url(), url)
+            format!("gemini://{}{}", get_last_host(), url)
         } else {
-            format!("{}/{}", get_last_url(), url)
+            format!("gemini://{}/{}", get_last_host(), url)
         };
         visit_url(s, &next_url)
     } else if re2.is_match(&text) {
@@ -133,9 +143,9 @@ fn follow_link(s: &mut Cursive, line: &str) {
         let next_url = if url.starts_with("gemini://") {
             url.to_owned()
         } else if url.starts_with("/") {
-            format!("{}{}", get_last_url(), url)
+            format!("gemini://{}{}", get_last_host(), url)
         } else {
-            format!("{}/{}", get_last_url(), url)
+            format!("gemini://{}/{}", get_last_host(), url)
         };
         visit_url(s, &next_url)
     } else {
@@ -143,6 +153,14 @@ fn follow_link(s: &mut Cursive, line: &str) {
     }
 }
 
+fn is_link(line: &str) -> bool {
+    let text = format!("{}", line);
+    let re1 = Regex::new(r"^\[(.*)\|(URL:)?(.*)\]$").unwrap(); // `[Foo|URL:link]` links
+    let re2 = Regex::new(r"^=>\s(\S*)\s(\w*)$").unwrap();      // `=> link Foo` links
+
+    re1.is_match(&text) || re2.is_match(&text)
+}
+
 fn get_data(url: &str) -> Result<String, String> {
     let urlp = Url::parse(url).unwrap();
     let host = urlp.host_str().unwrap();
@@ -184,11 +202,13 @@ fn go_back(s: &mut Cursive) {
     }
 }
 
-fn get_last_url() -> String {
+fn get_last_host() -> String {
     let mut file = File::open("/tmp/asuka_history").expect("file not found");
     let mut content = String::new();
     file.read_to_string(&mut content).expect("Unable to read file");
-    content.lines().last().unwrap().to_owned()
+    let url = content.lines().last().unwrap();
+    let urlp = Url::parse(url).unwrap();
+    urlp.host_str().unwrap().to_owned()
 }
 
 fn get_previous_url() -> Option<String> {