Update crossterm to 0.11

CHANGELOG.md

@@ -7,6 +7,7 @@
 - `cursive::event::AnyCb` changed from `Box<...>` to `&mut ...`, so users of
   `View::call_on_any` no longer need to box their closures.
 - Remove `BoxView::squishable`.
+- Update crossterm to 0.11
 
 ### API updates
 

Cargo.toml

@@ -74,7 +74,7 @@ version = "1.5.3"
 
 [dependencies.crossterm]
 optional = true
-version = "0.10.1"
+version = "0.11"
 
 [target.'cfg(unix)'.dependencies]
 signal-hook = "0.1.10"

src/backend/crossterm.rs

@@ -30,7 +30,7 @@ pub struct Backend {
 
 impl Backend {
     /// Creates a new crossterm backend.
-    pub fn init() -> std::io::Result<Box<dyn backend::Backend>>
+    pub fn init() -> Result<Box<dyn backend::Backend>, crossterm::ErrorKind>
     where
         Self: Sized,
     {
@@ -196,7 +196,7 @@ impl backend::Backend for Backend {
     }
 
     fn screen_size(&self) -> Vec2 {
-        let size = self.terminal.terminal_size();
+        let size = self.terminal.size().unwrap_or((0, 0));
         Vec2::from(size)
     }
 

src/cursive.rs

@@ -173,7 +173,7 @@ impl Cursive {
 
     /// Creates a new Cursive root using a crossterm backend.
     #[cfg(feature = "crossterm-backend")]
-    pub fn crossterm() -> std::io::Result<Self> {
+    pub fn crossterm() -> Result<Self, crossterm::ErrorKind> {
         Self::try_new(backend::crossterm::Backend::init)
     }