Multiple console support

src/console.rs

@@ -1,17 +1,26 @@
-use libctru::console::{consoleInit, consoleClear};
-use libctru::gfx;
+use libctru::console::*;
 use libctru::libc;
 
+use gfx::Screen;
+
 use core::fmt::{self, Write};
 use core::default::Default;
-use core::marker::PhantomData;
 use core::ptr;
 
 pub struct Console {
-    pd: PhantomData<()>,
+    context: PrintConsole,
 }
 
 impl Console {
+    pub fn init(screen: Screen) -> Self {
+        let ret = unsafe { *(consoleInit(screen.into(), ptr::null_mut())) };
+        Console { context: ret }
+    }
+
+    pub fn set_window(&mut self, x: i32, y: i32, width: i32, height: i32) {
+        unsafe { consoleSetWindow(&mut self.context, x, y, width, height) }
+    } 
+
     pub fn clear(&mut self) {
         unsafe { consoleClear() }
     }
@@ -19,15 +28,14 @@ impl Console {
 
 impl Default for Console {
     fn default() -> Self {
-        unsafe {
-            consoleInit(gfx::gfxScreen_t::GFX_TOP, ptr::null_mut());
-        }
-        Console { pd: PhantomData }
+        let ret = unsafe { *(consoleInit(Screen::Top.into(), ptr::null_mut())) };
+        Console { context: ret }
     }
 }
 
 impl Write for Console {
     fn write_str(&mut self, s: &str) -> fmt::Result {
+        unsafe { consoleSelect(&mut self.context); }
         let ret = unsafe { libc::write(libc::STDOUT_FILENO, s.as_ptr() as *const _, s.len()) };
         if ret == s.len() as isize {
             Ok(())