rust: finish adding Notcurses methods.

rust/src/notcurses/methods.rs

@@ -263,6 +263,19 @@ impl Notcurses {
         crate::notcurses_getc_nblocking(self, input)
     }
 
+    /// Gets a file descriptor suitable for input event poll()ing.
+    ///
+    /// When this descriptor becomes available, you can call
+    /// [getc_nblock][Notcurses#method.getc_nblock](), and input ought be ready.
+    ///
+    /// This file descriptor is not necessarily the file descriptor associated
+    /// with stdin (but it might be!).
+    ///
+    /// C style function: [notcurses_inputready_fd][crate::notcurses_inputready_fd]
+    pub fn inputready_fd(&mut self) -> NcResult {
+        unsafe { crate::notcurses_inputready_fd(self) }
+    }
+
     /// Returns an [NcBlitter] from a string representation.
     ///
     /// C style function: [notcurses_lex_blitter][crate::notcurses_lex_blitter]
@@ -366,6 +379,24 @@ impl Notcurses {
         unsafe { crate::notcurses_render(self) }
     }
 
+    /// Performs the rendering and rasterization portion of
+    /// [render][Notcurses#method.render] but do not write the resulting buffer
+    /// out to the terminal.
+    ///
+    /// Using this function, the user can control the writeout process,
+    /// and render a second frame while writing another.
+    ///
+    /// The returned buffer must be freed by the caller.
+    ///
+    /// C style function: [notcurses_render_to_buffer][crate::notcurses_render_to_buffer]
+    //
+    // CHECK that this works.
+    pub fn render_to_buffer(&mut self, buffer: &mut Vec<u8>) -> NcResult {
+        let mut len = buffer.len() as u64;
+        let mut buf = buffer.as_mut_ptr() as *mut i8;
+        unsafe { crate::notcurses_render_to_buffer(self, &mut buf, &mut len) }
+    }
+
     /// Writes the last rendered frame, in its entirety, to 'fp'.
     ///
     /// If [render][Notcurses#method.render]() has not yet been called,
@@ -470,7 +501,6 @@ impl Notcurses {
         unsafe { &mut *crate::notcurses_top(self) }
     }
 
-
     /// Returns a human-readable string describing the running Notcurses version.
     ///
     /// C style function: [notcurses_version][crate::notcurses_version]

rust/src/notcurses/mod.rs

@@ -3,7 +3,7 @@
 // functions already exported by bindgen : 41
 // ------------------------------------------
 // (#) test: 10
-// (W) wrap: 38
+// (W) wrap: 40 / 1
 // ------------------------------------------
 //W  notcurses_at_yx
 //W  notcurses_bottom
@@ -20,7 +20,7 @@
 //W# notcurses_drop_planes
 //W  notcurses_getc
 //W# notcurses_init
-//   notcurses_inputready_fd
+//W  notcurses_inputready_fd
 //W  notcurses_lex_blitter
 //W  notcurses_lex_margins
 //W  notcurses_lex_scalemode
@@ -31,7 +31,7 @@
 //W  notcurses_palette_size
 //W  notcurses_refresh
 //W  notcurses_render
-//   notcurses_render_to_buffer
+//W  notcurses_render_to_buffer
 //W  notcurses_render_to_file
 //W  notcurses_stats
 //W  notcurses_stats_alloc
@@ -43,7 +43,7 @@
 //W  notcurses_str_scalemode
 //W  notcurses_supported_styles
 //W  notcurses_top
-//   notcurses_ucs32_to_utf8
+//~  notcurses_ucs32_to_utf8 (not needed in rust)
 //W  notcurses_version
 //W  notcurses_version_components
 //