Add resize on SIGWINCH

Cargo.toml

@@ -26,6 +26,8 @@ encoding = "0.2.33"
 bitflags = "1.0"
 notify = "4.0.1"
 termion = "1.5.1"
+chan = "0.1.21"
+chan-signal = "0.3.1"
 
 [profile.release]
 #lto = true

src/bin.rs

@@ -31,6 +31,13 @@ use std::sync::mpsc::{sync_channel, SyncSender, Receiver};
 use std::thread;
 use std::io::{stdout, stdin, };
 
+#[macro_use]
+extern crate chan;
+extern crate chan_signal;
+
+use chan_signal::Signal;
+
+
 fn main() {
     /* Lock all stdios */
     let _stdout = stdout();
@@ -44,11 +51,14 @@ fn main() {
 
 
 
-    let (sender, receiver): (SyncSender<ThreadEvent>, Receiver<ThreadEvent>) = sync_channel(::std::mem::size_of::<ThreadEvent>());
+    let signal = chan_signal::notify(&[Signal::WINCH]);
+
+    let (sender, receiver) = chan::sync(::std::mem::size_of::<ThreadEvent>());
+
     {
         let sender = sender.clone();
         thread::Builder::new().name("input-thread".to_string()).spawn(move || {
-            get_events(stdin, move | k| { sender.send(ThreadEvent::Input(k)).unwrap();
+            get_events(stdin, move | k| { sender.send(ThreadEvent::Input(k));
             })}).unwrap();
     }
 
@@ -93,7 +103,9 @@ fn main() {
                 state.rcv_event(e);
             }
             state.redraw();
-            match receiver.recv().unwrap() {
+            chan_select! {
+                receiver.recv() -> r => {
+                    match r.unwrap() {
                         ThreadEvent::Input(k) => {
                             match mode {
                                 UIMode::Normal => {
@@ -137,6 +149,15 @@ fn main() {
                             state.render();
                         },
                     }
+                },
+                signal.recv() -> signal => {
+                    if let Some(Signal::WINCH) = signal {
+                        state.update_size();
+                        state.render();
+                        state.redraw();
+                    }
+                },
+            }
         }
     }
 }

src/ui/components/mail.rs

@@ -373,6 +373,9 @@ impl Component for MailListing {
             UIEventType::ChangeMode(UIMode::Normal) => {
                 self.dirty = true;
             },
+            UIEventType::Resize => {
+                self.dirty = true;
+            },
             _ => {
             },
         }
@@ -524,6 +527,9 @@ impl Component for AccountMenu {
             UIEventType::ChangeMode(UIMode::Normal) => {
                 self.dirty = true;
             },
+            UIEventType::Resize => {
+                self.dirty = true;
+            },
             _ => {
             },
         }

src/ui/components/utilities.rs

@@ -191,6 +191,9 @@ impl Component for Pager {
             UIEventType::ChangeMode(UIMode::Normal) => {
                 self.dirty = true;
             },
+            UIEventType::Resize => {
+                self.dirty = true;
+            },
             _ => {
             },
         }
@@ -301,6 +304,9 @@ impl Component for StatusBar {
                 self.dirty = true;
                 self.ex_buffer.push(c);
             },
+            UIEventType::Resize => {
+                self.dirty = true;
+            },
             _ => {},
         }
     }

src/ui/mod.rs

@@ -198,6 +198,8 @@ impl<W: Write> State<W> {
         self.cols = termcols.unwrap_or(72) as usize;
         self.rows = termrows.unwrap_or(120) as usize;
         self.grid.resize(self.cols, self.rows, Cell::with_char(' '));
+
+        self.rcv_event(UIEvent { id: 0, event_type: UIEventType::Resize });
     }
 
     pub fn redraw(&mut self) {