limit height for now

src/menu.rs

@@ -22,8 +22,8 @@ pub struct Line {
 }
 
 impl View for MenuView {
-    fn render(&self) -> String {
-        self.render_lines()
+    fn render(&self, w: u16, h: u16) -> String {
+        self.render_lines(w, h)
     }
 
     fn process_input(&mut self, key: Key) -> Action {
@@ -52,7 +52,7 @@ impl MenuView {
         self.menu.links()
     }
 
-    fn render_lines(&self) -> String {
+    fn render_lines(&self, _cols: u16, rows: u16) -> String {
         let mut out = String::new();
 
         macro_rules! push {
@@ -66,7 +66,10 @@ impl MenuView {
         }
 
         let mut links = 0;
-        for line in self.lines() {
+        for (i, line) in self.lines().iter().enumerate() {
+            if i as u16 >= rows - 4 {
+                return out;
+            }
             if line.typ == Type::Info {
                 out.push_str("      ");
             } else {

src/ui.rs

@@ -27,7 +27,7 @@ pub enum Action {
 
 pub trait View {
     fn process_input(&mut self, c: Key) -> Action;
-    fn render(&self) -> String;
+    fn render(&self, width: u16, height: u16) -> String;
 }
 
 impl UI {
@@ -49,7 +49,7 @@ impl UI {
     pub fn draw(&mut self) {
         if self.dirty {
             let prefix = ""; // debug
-                             // let prefix = "\x1b[2J\x1b[H"; // clear the screen
+            let prefix = "\x1b[2J\x1b[H"; // clear the screen
             print!("{}{}", prefix, self.render());
             self.dirty = false;
         }
@@ -63,10 +63,10 @@ impl UI {
     }
 
     pub fn render(&self) -> String {
-        // let (cols, rows) = termion::terminal_size().expect("can't get terminal size");
+        let (cols, rows) = termion::terminal_size().expect("can't get terminal size"); // TODO
         if self.pages.len() > 0 && self.page < self.pages.len() {
             if let Some(page) = self.pages.get(self.page) {
-                return page.render();
+                return page.render(cols, rows);
             }
         }
         String::from("N/A")