startupcheck signal seems to be causing redraws

closes #33

melib/src/mailbox/accounts.rs

@@ -122,10 +122,10 @@ impl Account {
         };
     }
 
-    pub fn status(&mut self, index: usize) -> result::Result<(), usize> {
+    pub fn status(&mut self, index: usize) -> result::Result<bool, usize> {
         match self.workers[index].as_mut() {
             None => {
-                return Ok(());
+                return Ok(false);
             }
             Some(ref mut w) => match w.poll() {
                 Ok(AsyncStatus::NoUpdate) => {
@@ -144,7 +144,7 @@ impl Account {
         let m = self.workers[index].take().unwrap().extract();
         self.load_mailbox(index, m);
         self.workers[index] = None;
-        Ok(())
+        Ok(true)
     }
 }
 

src/bin.rs

@@ -191,11 +191,15 @@ fn main() {
                         }
                         ThreadEvent::UIEvent(UIEventType::StartupCheck) => {
                             let mut flag = false;
+                            let mut render_flag = false;
                             for account in &mut state.context.accounts {
                                 let len = account.len();
                                 for i in 0..len {
                                     match account.status(i) {
-                                        Ok(()) => { },
+                                        Ok(true) => {
+                                            render_flag = true;
+                                        },
+                                        Ok(false) => {},
                                         Err(_) => {
                                             flag |= true;
                                         }
@@ -205,7 +209,9 @@ fn main() {
                             if !flag {
                                 state.finish_startup();
                             }
-                            state.render();
+                            if render_flag {
+                                state.render();
+                            }
                         }
                         ThreadEvent::UIEvent(e) => {
                             state.rcv_event(UIEvent { id: 0, event_type: e});

ui/src/components/mail/listing/compact.rs

@@ -86,7 +86,7 @@ impl CompactMailListing {
         //
         loop {
             // TODO: Show progress visually
-            if let Ok(()) = context.accounts[self.cursor_pos.0].status(self.cursor_pos.1) {
+            if let Ok(_) = context.accounts[self.cursor_pos.0].status(self.cursor_pos.1) {
                 break;
             }
         }

ui/src/components/mail/listing/mod.rs

@@ -106,7 +106,7 @@ impl MailListing {
         //
         loop {
             // TODO: Show progress visually
-            if let Ok(()) = context.accounts[self.cursor_pos.0].status(self.cursor_pos.1) {
+            if let Ok(_) = context.accounts[self.cursor_pos.0].status(self.cursor_pos.1) {
                 break;
             }
         }

ui/src/components/mail/mod.rs

@@ -136,7 +136,7 @@ impl AccountMenu {
         ) -> () {
             let len = s.len();
             match context.accounts[index].status(root) {
-                Ok(()) => {}
+                Ok(_) => {}
                 Err(_) => {
                     return;
                     // TODO: Show progress visually

ui/src/components/utilities.rs

@@ -474,7 +474,7 @@ impl Component for StatusBar {
         match &event.event_type {
             UIEventType::RefreshMailbox((ref idx_a, ref idx_f)) => {
                 match context.accounts[*idx_a].status(*idx_f) {
-                    Ok(()) => {}
+                    Ok(_) => {}
                     Err(_) => {
                         return;
                     }