3 files changed, 75 insertions, 3 deletions

diff --git a/src/gl_renderer.rs b/src/gl_renderer.rs
index 64f9151..9f71074 100644
--- a/src/gl_renderer.rs
+++ b/src/gl_renderer.rs
@@ -19,16 +19,58 @@ extern crate simple_error;
 
 use std::error::Error;
 
+use self::glium::glutin;
+
 use bitmap::BitmapManager;
+use input::Event;
 
 /// Renderer using the OpenGL library.
-pub struct GLRenderer;
+pub struct GLRenderer {
+    events_loop: glutin::EventsLoop,
+    display: glium::Display,
+}
 
 impl GLRenderer {
     /// Instantiate a new instance of the renderer.
     pub fn new(bitmaps: &BitmapManager) -> Result<GLRenderer, Box<Error>> {
         let _font = bitmaps.get_font("textfont").unwrap();
 
-        Ok(GLRenderer { })
+        let events_loop = glutin::EventsLoop::new();
+        let window = glutin::WindowBuilder::new();
+        let context = glutin::ContextBuilder::new();
+        let display = glium::Display::new(window, context, &events_loop)?;
+
+        Ok(GLRenderer { events_loop, display })
+    }
+
+    // TODO: Document this.
+    fn convert_event(ev: glutin::DeviceEvent) -> Event {
+        match ev {
+            // glutin::DeviceEvent::Button { button, state } => {
+            //     if state == glutin::ElementState::Pressed {
+            //         Event::KeyDown(button as u8)
+            //     } else {
+            //         Event::KeyUp(button as u8)
+            //     }
+            // },
+            glutin::DeviceEvent::Key(press) => {
+                Event::KeyDown(press.scancode as u8)
+            }
+            _ => Event::None,
+        }
+    }
+
+    // TODO: Document this.
+    pub fn handle_input<F>(&mut self, mut on_event: F)
+    where F: FnMut(Event) {
+        self.events_loop.poll_events(|ev| {
+            match ev {
+                glutin::Event::DeviceEvent { device_id: _, event } => {
+                    let equivalent = GLRenderer::convert_event(event);
+                    on_event(equivalent);
+                },
+                _ => (),
+            }
+        });
     }
 }
diff --git a/src/input.rs b/src/input.rs
new file mode 100644
index 0000000..8303cf0
--- /dev/null
+++ b/src/input.rs
@@ -0,0 +1,20 @@
+// Copyright (C) 2018 Jakob L. Kreuze, All Rights Reserved.
+//
+// This file is part of rebuild.
+//
+// rebuild is free software: you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the Free Software
+// Foundation, either version 3 of the License, or (at your option) any later
+// version.
+//
+// rebuild is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+// A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with
+// rebuild. If not, see <http://www.gnu.org/licenses/>.
+
+pub enum Event {
+    KeyDown(u8),
+    None,
+}
diff --git a/src/main.rs b/src/main.rs
index 3b7660b..462ac17 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -22,6 +22,7 @@ use std::process;
 mod bitmap;
 mod gl_renderer;
 mod grp;
+mod input;
 mod path;
 mod world;
 
@@ -42,5 +43,14 @@ fn main() {
     let bitmaps = bitmap::BitmapManager::new(&groups).unwrap();
     let _tile = bitmaps.get_tile(0);
 
-    let _renderer = gl_renderer::GLRenderer::new(&bitmaps);
+    let mut renderer = gl_renderer::GLRenderer::new(&bitmaps).unwrap();
+
+    loop {
+        renderer.handle_input(|ev| {
+            match ev {
+                input::Event::KeyDown(key) => println!("{}", key),
+                _ => (),
+            }
+        });
+    }
 }