From 3042e9e3a87c11f43a49d3c8bef0162350107882 Mon Sep 17 00:00:00 2001
From: unspeaker <hora.nqma@protonmail.com>
Date: Wed, 18 Sep 2024 21:58:42 +0300
Subject: [PATCH] partial fix for resize

---
 crates/tek_core/src/tui.rs | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/crates/tek_core/src/tui.rs b/crates/tek_core/src/tui.rs
index 463b05c8..9035c3ed 100644
--- a/crates/tek_core/src/tui.rs
+++ b/crates/tek_core/src/tui.rs
@@ -82,16 +82,13 @@ impl Tui {
                         exited.store(true, Ordering::Relaxed);
                     },
                     _ => {
-                        if let Err(e) = state.write().unwrap().handle(&TuiInput {
-                            event,
-                            exited: exited.clone()
-                        }) {
+                        let exited = exited.clone();
+                        if let Err(e) = state.write().unwrap().handle(&TuiInput { event, exited }) {
                             panic!("{e}")
                         }
                     }
                 }
             }
-            //engine.read().unwrap().handle(&mut *state.write().unwrap()).expect("handle failed");
         })
     }
     fn spawn_render_thread <R: Component<Tui> + Sized + 'static> (
@@ -107,19 +104,22 @@ impl Tui {
             if exited.fetch_and(true, Ordering::Relaxed) {
                 break
             }
+            let size = engine.read().unwrap().backend.size().expect("get size failed");
             if let Ok(state) = state.try_read() {
-                let area = engine.read().unwrap().backend.size().expect("get size failed").xywh();
-                let mut output = TuiOutput { buffer, area };
+                let mut output = TuiOutput { buffer, area: size.xywh() };
                 state.render(&mut output).expect("render failed");
-                buffer = engine.write().unwrap().flip(output.buffer);
+                buffer = engine.write().unwrap().flip(output.buffer, size);
             }
             std::thread::sleep(sleep);
         })
     }
-    //pub fn buffer (&mut self) -> &mut Buffer {
-        //&mut self.buffers[self.buffer]
-    //}
-    fn flip (&mut self, mut buffer: Buffer) -> Buffer {
+    fn flip (&mut self, mut buffer: Buffer, size: ratatui::prelude::Rect) -> Buffer {
+        if buffer.area != size {
+            buffer.resize(size);
+        }
+        if self.buffer.area != size {
+            self.buffer.resize(size);
+        }
         let updates = self.buffer.diff(&buffer);
         self.backend.draw(updates.into_iter()).expect("failed to render");
         self.backend.flush().expect("failed to flush output buffer");