Merge branch 'wip'

# Conflicts:
#	README.md

Cargo.toml

@@ -1,12 +1,58 @@
 [package]
 name = "minifb"
-version = "0.1.0"
+version = "0.2.0"
 authors = ["Daniel Collin <daniel@collin.com>"]
+description = "Cross-platform window setup for bitmap rendering"
+keywords = ["windowing", "framebuffer"]
+repository = "https://github.com/emoon/rust_minifb"
+documentation = "http://prodbg.com/minifb/minifb/index.html"
 build = "build.rs"
 
 [build-dependencies]
 gcc = "0.3.19"
 
 [dependencies]
-libc = "0.1.10"
+libc = "0.2"
+time = "0.1.34"
 
+[target.x86_64-pc-windows-msvc.dependencies]
+user32-sys = "0.1.2"
+winapi = "0.2.4"
+kernel32-sys = "0.1.4"
+gdi32-sys = "0.1.1"
+
+[target.x86_64-pc-windows-gnu.dependencies]
+user32-sys = "0.1.2"
+winapi = "0.2.4"
+kernel32-sys = "0.1.4"
+gdi32-sys = "0.1.1"
+
+[target.i686-pc-windows-msvc.dependencies]
+user32-sys = "0.1.2"
+winapi = "0.2.4"
+kernel32-sys = "0.1.4"
+gdi32-sys = "0.1.1"
+
+[target.i686-pc-windows-gnu.dependencies]
+user32-sys = "0.1.2"
+winapi = "0.2.4"
+kernel32-sys = "0.1.4"
+gdi32-sys = "0.1.1"
+
+[target.i686-unknown-linux-gnu.dependencies]
+x11-dl = "~2.2"
+
+[target.x86_64-unknown-linux-gnu.dependencies]
+x11-dl = "~2.2"
+
+[target.arm-unknown-linux-gnueabihf.dependencies]
+x11-dl = "~2.2"
+
+[target.aarch64-unknown-linux-gnu.dependencies]
+x11-dl = "~2.2"
+
+[target.x86_64-unknown-dragonfly.dependencies]
+x11-dl = "~2.2"
+
+[target.x86_64-unknown-freebsd.dependencies]
+x11-dl = "~2.2"

README.md

@@ -7,32 +7,37 @@ rust_minifb (Mini FrameBuffer) is a small cross platform library written in [Rus
 ```rust
 extern crate minifb;
 
-const WIDTH: usize = 1280;
+use minifb::*;
-const HEIGHT: usize = 720;
+
+const WIDTH: usize = 640;
+const HEIGHT: usize = 360;
 
 fn main() {
     let mut buffer: [u32; WIDTH * HEIGHT] = [0; WIDTH * HEIGHT];
 
-    if !(minifb::open("TestWindow", WIDTH, HEIGHT)) {
+    let mut window = Window::new("Noise Test - Press ESC to exit",
-        return;
+                                 WIDTH,
-    }
+                                 HEIGHT,
+                                 Scale::X1,
+                                 Vsync::No)
+                         .unwrap();
 
-    while minifb::update(&buffer) {
+    while window.is_open() && !window.is_key_down(Key::Escape) {
         for i in buffer.iter_mut() {
-            *i = ... // write something here 
+            *i = 0; // write something more funny here!
-        }
         }
 
-    minifb::close();
+        window.update(&buffer);
+    }
 }
 ```
 
 Status
 ------
-Currently Mac, Windows and Linux has been tested which are the supported platforms for now.
+Currently Windows and Mac are the current supported platforms. X11 (Linux/FreeBSD/etc) support is coming soon.
 
 
-Build instructions
+Build instruction
 ------------------
 
 ```
@@ -40,6 +45,6 @@ cargo build
 cargo run --example noise 
 ```
 
-This will run the [noise example](https://github.com/emoon/rust_minifb/blob/master/examples/noise.rs) which should look something like this (Mac screenshot)
+This will run the [noise example](https://github.com/emoon/rust_minifb/blob/windows-rs/examples/noise.rs) which should look something like this (Mac screenshot)
 
 ![mac_screenshot](https://dl.dropboxusercontent.com/u/5205843/rust_minifb/noise_screen.png)

build.rs

@@ -8,9 +8,7 @@ fn main() {
                              &["src/native/macosx/MacMiniFB.m",
                                "src/native/macosx/OSXWindow.m",
                                "src/native/macosx/OSXWindowFrameView.m"]);   // MacOS
-    } else if env.contains("windows") {
+    } else if env.contains("linux") {
-        gcc::compile_library("libminifb_native.a", &["src/native/windows/WinMiniFB.c"]);   // Windows
-    } else {
         gcc::compile_library("libminifb_native.a", &["src/native/x11/X11MiniFB.c"]);   // Unix
     }
 }

examples/noise.rs

@@ -1,5 +1,7 @@
 extern crate minifb;
 
+use minifb::*;
+
 const WIDTH: usize = 640;
 const HEIGHT: usize = 360;
 
@@ -10,11 +12,15 @@ fn main() {
 
     let mut buffer: [u32; WIDTH * HEIGHT] = [0; WIDTH * HEIGHT];
 
-    if !(minifb::open("Noise Test - Press ESC to exit", WIDTH, HEIGHT)) {
+    let mut window = match Window::new("Noise Test - Press ESC to exit", WIDTH, HEIGHT, Scale::X2) {
+        Ok(win) => win,
+        Err(err) => {
+            println!("Unable to create window {}", err);
             return;
         }
+    };
 
-    while minifb::update(&buffer) {
+    while window.is_open() && !window.is_key_down(Key::Escape) {
         for i in buffer.iter_mut() {
             noise = seed;
             noise >>= 3;
@@ -26,7 +32,17 @@ fn main() {
             noise &= 0xFF;
             *i = (noise << 16) | (noise << 8) | noise;
         }
-    }
 
-    minifb::close();
+        window.get_keys().map(|keys| {
+            for t in keys {
+                match t {
+                    Key::W => println!("holding w!"),
+                    Key::T => println!("holding t!"),
+                    _ => (),
+                }
+            }
+        });
+
+        window.update(&buffer);
+    }
 }

src/key_handler.rs

@@ -0,0 +1,123 @@
+extern crate time;
+
+use std::mem;
+use {Key, KeyRepeat};
+
+pub struct KeyHandler {
+    prev_time: f64,
+    delta_time: f32,
+    keys: [bool; 512],
+    keys_down_duration: [f32; 512],
+    key_repeat_delay: f32,
+    key_repeat_rate: f32,
+}
+
+impl KeyHandler {
+    pub fn new() -> KeyHandler {
+        KeyHandler {
+            keys: [false; 512],
+            keys_down_duration: [-1.0; 512],
+            prev_time: time::precise_time_s(),
+            delta_time: 0.0,
+            key_repeat_delay: 0.250,
+            key_repeat_rate: 0.050,
+        }
+    }
+
+    #[inline]
+    pub fn set_key_state(&mut self, key: Key, state: bool) {
+        self.keys[key as usize] = state;
+    }
+
+    pub fn get_keys(&self) -> Option<Vec<Key>> {
+        let mut index: u16 = 0;
+        let mut keys: Vec<Key> = Vec::new();
+
+        for i in self.keys.iter() {
+            if *i {
+                unsafe {
+                    keys.push(mem::transmute(index as u8));
+                }
+            }
+
+            index += 1;
+        }
+
+        Some(keys)
+    }
+
+    pub fn update(&mut self) {
+        let current_time = time::precise_time_s();
+        let delta_time = (current_time - self.prev_time) as f32;
+        self.prev_time = current_time;
+        self.delta_time = delta_time;
+
+        for i in 0..self.keys.len() {
+            if self.keys[i] {
+                if self.keys_down_duration[i] < 0.0 {
+                    self.keys_down_duration[i] = 0.0;
+                } else {
+                    self.keys_down_duration[i] += delta_time;
+                }
+            } else {
+                self.keys_down_duration[i] = -1.0;
+            }
+        }
+    }
+
+    pub fn get_keys_pressed(&self, repeat: KeyRepeat) -> Option<Vec<Key>> {
+        let mut index: u16 = 0;
+        let mut keys: Vec<Key> = Vec::new();
+
+        for i in self.keys.iter() {
+            if *i {
+                unsafe {
+                    if Self::key_pressed(self, index as usize, repeat) {
+                        keys.push(mem::transmute(index as u8));
+                    }
+                }
+            }
+
+            index += 1;
+        }
+
+        Some(keys)
+    }
+
+    #[inline]
+    pub fn is_key_down(&self, key: Key) -> bool {
+        return self.keys[key as usize];
+    }
+
+    #[inline]
+    pub fn set_key_repeat_delay(&mut self, delay: f32) {
+        self.key_repeat_delay = delay;
+    }
+
+    #[inline]
+    pub fn set_key_repeat_rate(&mut self, rate: f32) {
+        self.key_repeat_rate = rate;
+    }
+
+    pub fn key_pressed(&self, index: usize, repeat: KeyRepeat) -> bool {
+        let t = self.keys_down_duration[index];
+
+        if t == 0.0 {
+            return true;
+        }
+
+        if repeat == KeyRepeat::Yes && t > self.key_repeat_delay {
+            let delay = self.key_repeat_delay;
+            let rate = self.key_repeat_rate;
+            if ((((t - delay) % rate) > rate * 0.5)) != (((t - delay - self.delta_time) % rate) > rate * 0.5) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    pub fn is_key_pressed(&self, key: Key, repeat: KeyRepeat) -> bool {
+        return Self::key_pressed(self, key as usize, repeat);
+    }
+}

src/lib.rs

@@ -1,70 +1,351 @@
+/// Scale will scale the frame buffer and the window that is being sent in when calling the update
+/// function. This is useful if you for example want to display a 320 x 256 window on a screen with
+/// much higher resolution which would result in that the window is very small.
+#[derive(Clone, Copy)]
+pub enum Scale {
+    /// This mode checks your current screen resolution and will caluclate the largest window size
+    /// that can be used within that limit and resize it. Useful if you have a small buffer to
+    /// display on a high resolution screen.
+    FitScreen,
+    /// 1X scale (which means leave the corrdinates sent into Window::new untouched)
+    X1,
+    /// 2X window scale (Example: 320 x 200 -> 640 x 400)
+    X2,
+    /// 4X window scale (Example: 320 x 200 -> 1280 x 800)
+    X4,
+    /// 8X window scale (Example: 320 x 200 -> 2560 x 1600)
+    X8,
+    /// 16X window scale (Example: 320 x 200 -> 5120 x 3200)
+    X16,
+    /// 32 window scale (Example: 320 x 200 -> 10240 x 6400)
+    X32,
+}
+
+/// Used for is_key_pressed and get_keys_pressed() to indicated if repeat of presses is wanted
+#[derive(PartialEq, Clone, Copy)]
+pub enum KeyRepeat {
+    /// Use repeat
+    Yes,
+    /// Don't use repeat
+    No,
+}
+
+/// Key is used by the get key functions to check if some keys on the keyboard has been pressed
+#[derive(PartialEq, Clone, Copy)]
+pub enum Key {
+    Key0 = 0,
+    Key1 = 1,
+    Key2 = 2,
+    Key3 = 3,
+    Key4 = 4,
+    Key5 = 5,
+    Key6 = 6,
+    Key7 = 7,
+    Key8 = 8,
+    Key9 = 9,
+
+    A = 10,
+    B = 11,
+    C = 12,
+    D = 13,
+    E = 14,
+    F = 15,
+    G = 16,
+    H = 17,
+    I = 18,
+    J = 19,
+    K = 20,
+    L = 21,
+    M = 22,
+    N = 23,
+    O = 24,
+    P = 25,
+    Q = 26,
+    R = 27,
+    S = 28,
+    T = 29,
+    U = 30,
+    V = 31,
+    W = 32,
+    X = 33,
+    Y = 34,
+    Z = 35,
+
+    F1,
+    F2,
+    F3,
+    F4,
+    F5,
+    F6,
+    F7,
+    F8,
+    F9,
+    F10,
+    F11,
+    F12,
+    F13,
+    F14,
+    F15,
+
+    Down,
+    Left,
+    Right,
+    Up,
+    Apostrophe,
+    Backquote,
+
+    Backslash,
+    Comma,
+    Equal,
+    LeftBracket,
+    Minus,
+    Period,
+    RightBracket,
+    Semicolon,
+
+    Slash,
+    Backspace,
+    Delete,
+    End,
+    Enter,
+
+    Escape,
+
+    Home,
+    Insert,
+    Menu,
+
+    PageDown,
+    PageUp,
+
+    Pause,
+    Space,
+    Tab,
+    NumLock,
+    CapsLock,
+    ScrollLock,
+    LeftShift,
+    RightShift,
+    LeftCtrl,
+    RightCtrl,
+
+    NumPad0,
+    NumPad1,
+    NumPad2,
+    NumPad3,
+    NumPad4,
+    NumPad5,
+    NumPad6,
+    NumPad7,
+    NumPad8,
+    NumPad9,
+    NumPadDot,
+    NumPadSlash,
+    NumPadAsterisk,
+    NumPadMinus,
+    NumPadPlus,
+    NumPadEnter,
+
+    LeftAlt,
+    RightAlt,
+
+    LeftSuper,
+    RightSuper,
+
+    /// Used when an Unknown key has been pressed
+    Unknown,
+
+    Count = 107,
+}
+
 extern crate libc;
-use std::ffi::CString;
+
-use std::mem::transmute;
+pub mod os;
-use libc::{c_char, c_int, c_void};
+mod key_handler;
 
 #[cfg(target_os = "macos")]
-#[link(name = "Cocoa", kind = "framework")]
+use self::os::macos as imp;
-extern {
-    fn mfb_open(name: *const c_char, width: c_int, height: c_int) -> c_int;
-    fn mfb_update(buffer: *mut c_void) -> c_int;
-    fn mfb_close();
-}
-
 #[cfg(target_os = "windows")]
-#[link(name = "gdi32")]
+use self::os::windows as imp;
-extern {
-    fn mfb_open(name: *const c_char, width: c_int, height: c_int) -> c_int;
-    fn mfb_update(buffer: *mut c_void) -> c_int;
-    fn mfb_close();
-}
-
-#[cfg(target_os = "linux")]
-#[link(name = "X11")]
-extern {
-    fn mfb_open(name: *const c_char, width: c_int, height: c_int) -> c_int;
-    fn mfb_update(buffer: *mut c_void) -> c_int;
-    fn mfb_close();
-}
 
 ///
-/// Open up a window
+/// Window used for displaying a 32-bit RGB buffer. Here is a small example on how to use it:
+/// (without error checking 
+///
+/// ```ignore
+///
+/// const WIDTH: usize = 640;
+/// const HEIGHT: usize = 360;
+///
+/// let mut buffer: [u32; WIDTH * HEIGHT] = [0; WIDTH * HEIGHT];
+///
+/// let mut window = match Window::new("Test - Press ESC to exit", WIDTH, HEIGHT, Scale::X1).unwrap()
+///
+/// while window.is_open() && !window.is_key_down(Key::Escape) {
+///     for i in buffer.iter_mut() {
+///         *i = 0; // write something interesting here
+///     }
+///     window.update(&buffer);
+/// }
+/// ```
 ///
-pub fn open(name: &str, width: usize, height: usize) -> bool {
-    let s = CString::new(name).unwrap();
-    let ret;
 
-    unsafe {
+pub struct Window(imp::Window);
-        ret = mfb_open(s.as_ptr(), width as c_int, height as c_int);
+
+impl Window {
+    ///
+    /// Opens up a new window
+    ///
+    /// ```ignore
+    /// let mut window = match Window::new("Test", 640, 400, Scale::X1) {
+    ///    Ok(win) => win,
+    ///    Err(err) => {
+    ///        println!("Unable to create window {}", err);
+    ///        return;
+    ///    }
+    ///};
+    /// ```
+    pub fn new(name: &str, width: usize, height: usize, scale: Scale) -> Result<imp::Window, &str> {
+        imp::Window::new(name, width, height, scale)
     }
 
-    match ret {
+    ///
-        0 => false,
+    /// Updates the window with a 32-bit pixel buffer. Notice that the buffer needs to be at least 
-        _ => true,
+    /// the size of the created window
-    }
+    ///
-}
+    /// # Examples
-
+    ///
-///
+    /// ```ignore
-/// Update 
+    /// let mut buffer: [u32; 640 * 400] = [0; 640 * 400];
-///
+    ///
-pub fn update(buffer: &[u32]) -> bool {
+    /// let mut window = match Window::new("Test", 640, 400, Scale::X1).unwrap();
-    let ret;
+    ///
-    unsafe {
+    /// window.update(&buffer);
-        ret = mfb_update(transmute(buffer.as_ptr()));
+    /// ```
+    pub fn update(&mut self, buffer: &[u32]) {
+        self.0.update(buffer)
     }
 
-    if ret < 0 {
+    ///
-        return false;
+    /// Checks if the window is still open. A window can be closed by the user (by for example
-    } else {
+    /// pressing the close button on the window) It's up to the user to make sure that this is
-        return true;
+    /// being checked and take action depending on the state. 
+    ///
+    /// # Examples
+    ///
+    /// ```ignore
+    /// while window.is_open() {
+    ///     window.update(...)
+    /// }
+    /// ```
+    #[inline]
+    pub fn is_open(&self) -> bool {
+        self.0.is_open()
     }
-}
 
-///
+    ///
-/// Close 
+    /// Get the current keys that are down. 
-///
+    ///
-pub fn close() {
+    /// # Examples
-    unsafe {
+    ///
-        mfb_close();
+    /// ```ignore
+    /// window.get_keys().map(|keys| {
+    ///     for t in keys {
+    ///         match t {
+    ///             Key::W => println!("holding w"),
+    ///             Key::T => println!("holding t"),
+    ///             _ => (),
+    ///         }
+    ///     }
+    /// });
+    /// ```
+    #[inline]
+    pub fn get_keys(&self) -> Option<Vec<Key>> {
+        self.0.get_keys()
+    }
+
+    ///
+    /// Get the current pressed keys. Repeat can be used to control if keys should
+    /// be repeated if down or not.
+    ///
+    /// # Examples
+    ///
+    /// ```ignore
+    /// window.get_keys_pressed(KeyRepeat::No).map(|keys| {
+    ///     for t in keys {
+    ///         match t {
+    ///             Key::W => println!("pressed w"),
+    ///             Key::T => println!("pressed t"),
+    ///             _ => (),
+    ///         }
+    ///     }
+    /// });
+    /// ```
+    #[inline]
+    pub fn get_keys_pressed(&self, repeat: KeyRepeat) -> Option<Vec<Key>> {
+        self.0.get_keys_pressed(repeat)
+    }
+
+    /// 
+    /// Check if a single key is down.
+    ///
+    /// # Examples
+    ///
+    /// ```ignore
+    /// if window.is_key_down(Key::A) {
+    ///     println!("Key A is down");
+    /// }
+    /// ```
+    ///
+    #[inline]
+    pub fn is_key_down(&self, key: Key) -> bool {
+        self.0.is_key_down(key)
+    }
+
+    /// 
+    /// Check if a single key is pressed. KeyRepeat will control if the key should be repeated or
+    /// not while being pressed.
+    ///
+    /// # Examples
+    ///
+    /// ```ignore
+    /// if window.is_key_pressed(KeyRepeat::No) {
+    ///     println!("Key A is down");
+    /// }
+    /// ```
+    ///
+    #[inline]
+    pub fn is_key_pressed(&self, key: Key, repeat: KeyRepeat) -> bool {
+        self.0.is_key_pressed(key, repeat)
+    }
+
+    ///
+    /// Sets the delay for when a key is being held before it starts being repeated the default
+    /// value is 0.25 sec
+    ///
+    /// # Examples
+    ///
+    /// ```ignore
+    /// window.set_key_repeat_delay(0.5) // 0.5 sec before repeat starts
+    /// ```
+    ///
+    #[inline]
+    pub fn set_key_repeat_delay(&mut self, delay: f32) {
+        self.0.set_key_repeat_delay(delay)
+    }
+
+    ///
+    /// Sets the rate in between when the keys has passed the intital repeat_delay. The default
+    /// value is 0.05 sec
+    ///
+    /// # Examples
+    ///
+    /// ```ignore
+    /// window.set_key_repeat_rate(0.01) // 0.01 sec between keys 
+    /// ```
+    ///
+    #[inline]
+    pub fn set_key_repeat_rate(&mut self, rate: f32) {
+        self.0.set_key_repeat_rate(rate)
     }
 }

src/native/macosx/MacMiniFB.m

@@ -3,83 +3,76 @@
 #include <Cocoa/Cocoa.h>
 #include <unistd.h>
 
-///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+static bool s_init = false;
 
-void* g_updateBuffer = 0;
-int g_width = 0;
-int g_height = 0;
-static NSWindow* window_;
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
-int mfb_open(const char* name, int width, int height)
+void* mfb_open(const char* name, int width, int height, int scale)
 {
 	NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
 
-	g_width = width;
+	if (!s_init) {
-	g_height = height;
-
 		[NSApplication sharedApplication];
 		[NSApp setActivationPolicy:NSApplicationActivationPolicyRegular];
+		s_init = true;
+	}
 		
 	unsigned int styles = NSResizableWindowMask | NSClosableWindowMask | NSTitledWindowMask;
 		
-	NSRect rectangle = NSMakeRect(0, 0, width, height);
+	NSRect rectangle = NSMakeRect(0, 0, width * scale, height * scale);
-	window_ = [[OSXWindow alloc] initWithContentRect:rectangle styleMask:styles backing:NSBackingStoreBuffered defer:NO];
+	OSXWindow* window = [[OSXWindow alloc] initWithContentRect:rectangle styleMask:styles backing:NSBackingStoreBuffered defer:NO];
 
-	if (!window_)
+	if (!window)
 		return 0;
 
-	[window_ setTitle:[NSString stringWithUTF8String:name]];
+	window->draw_buffer = malloc(width * height * 4);
-	[window_ setReleasedWhenClosed:NO];
-	[window_ performSelectorOnMainThread:@selector(makeKeyAndOrderFront:) withObject:nil waitUntilDone:YES];
 
-	[window_ center];
+	if (!window->draw_buffer)
+		return 0;
+
+	window->width = width;
+	window->height = height;
+	window->scale = scale;
+	window->key_callback = 0;
+
+	[window updateSize];
+
+	[window setTitle:[NSString stringWithUTF8String:name]];
+	[window setReleasedWhenClosed:NO];
+	[window performSelectorOnMainThread:@selector(makeKeyAndOrderFront:) withObject:nil waitUntilDone:YES];
+
+	[window center];
 
 	[NSApp activateIgnoringOtherApps:YES];
 
 	[pool drain];
 
-	return 1;
+	return window;
 }
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
-void mfb_close()
+void mfb_close(void* win)
 {
+	NSWindow* window = (NSWindow*)win;
+
 	NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
 
-	if (window_)
+	if (window)
-		[window_ close]; 
+		[window close]; 
 
 	[pool drain];
 }
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
-static int updateEvents()
+static int update_events()
 {
 	int state = 0;
 	NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
 	NSEvent* event = [NSApp nextEventMatchingMask:NSAnyEventMask untilDate:[NSDate distantPast] inMode:NSDefaultRunLoopMode dequeue:YES];
-	if (event) 
-	{
-		switch ([event type])
-		{
-			case NSKeyDown:
-			case NSKeyUp:
-			{
-				state = -1;
-				break;
-			}
-
-			default :
-			{
 	[NSApp sendEvent:event];
-				break;
-			}
-		}
-	}
 	[pool release];
 
 	return state;
@@ -87,10 +80,41 @@ static int updateEvents()
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
-int mfb_update(void* buffer)
+int mfb_update(void* window, void* buffer)
 {
-	g_updateBuffer = buffer;
+	OSXWindow* win = (OSXWindow*)window;
-	int state = updateEvents();
+	memcpy(win->draw_buffer, buffer, win->width * win->height * 4);
-	[[window_ contentView] setNeedsDisplay:YES];
+
+	//g_updateBuffer = buffer;
+	int state = update_events();
+	[[win contentView] setNeedsDisplay:YES];
 	return state;
 }
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+int mfb_should_close(void* window) 
+{
+	OSXWindow* win = (OSXWindow*)window;
+	return win->should_close;
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+uint32_t mfb_get_screen_size() 
+{
+	NSRect e = [[NSScreen mainScreen] frame];
+	uint32_t w = (uint32_t)e.size.width;
+	uint32_t h = (uint32_t)e.size.height;
+	return (w << 16) | h;
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+void mfb_set_key_callback(void* window, void* rust_data, void (*key_callback)(void* user_data, int key, int state))
+{
+	OSXWindow* win = (OSXWindow*)window;
+	win->key_callback = key_callback;
+	win->rust_data = rust_data;
+}
+

src/native/macosx/OSXWindow.h

@@ -1,10 +1,15 @@
 #import <Cocoa/Cocoa.h>
 
-// @class OSXWindowFrameView;
-
 @interface OSXWindow : NSWindow
 {
 	NSView* childContentView;
+	@public void (*key_callback)(void* user_data, int key, int state);
+	@public int width;
+	@public int height;
+	@public int scale;
+	@public void* draw_buffer;
+	@public void* rust_data;
+	@public bool should_close;
 }
 
 @end

src/native/macosx/OSXWindow.m

@@ -63,12 +63,82 @@
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
+-(void)flagsChanged:(NSEvent *)event
+{
+	const uint32_t flags = [event modifierFlags];
+
+	// Left Shift
+	key_callback(rust_data, 0x38, flags == 0x20102 ? 1 : 0);
+	
+	// RightShift
+	key_callback(rust_data, 0x3c, flags == 0x20104 ? 1 : 0);
+
+	// Left Ctrl
+	key_callback(rust_data, 0x3b, flags == 0x40101 ? 1 : 0);
+
+	// Right Ctrl
+	key_callback(rust_data, 0x3b, flags == 0x42101 ? 1 : 0);
+
+	// Left Alt
+	key_callback(rust_data, 0x3a, flags == 0x80120 ? 1 : 0);
+
+	// Right Super
+	key_callback(rust_data, 0x3d, flags == 0x80140  ? 1 : 0);
+
+	// Left Super
+	key_callback(rust_data, 0x37, flags == 0x100108 ? 1 : 0);
+
+	// Right Super
+	key_callback(rust_data, 0x36, flags == 0x100110 ? 1 : 0);
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)keyDown:(NSEvent *)event
+{
+	// Cmd+Q always closes app
+    if ([event.characters.uppercaseString isEqualToString:@"Q"] && ([event modifierFlags] & NSCommandKeyMask)) {
+        [self performClose:self];
+        return;
+    }
+
+	if (key_callback) {
+		key_callback(rust_data, [event keyCode], 1);
+	}
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)keyUp:(NSEvent *)event
+{
+	if (key_callback) {
+		key_callback(rust_data, [event keyCode], 0);
+	}
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
 - (void)mainWindowChanged:(NSNotification *)aNotification
 {
 }
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
+- (void)windowWillClose:(NSNotification *)notification 
+{
+	should_close = true;
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)windowShouldClose:(id)sender
+{
+	should_close = true;
+	return TRUE;
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
 - (void)setContentView:(NSView *)aView
 {
 	if ([childContentView isEqualTo:aView])
@@ -79,18 +149,20 @@
 	NSRect bounds = [self frame];
 	bounds.origin = NSZeroPoint;
 
-	OSXWindowFrameView *frameView = [super contentView];
+	OSXWindowFrameView* frameView = [super contentView];
 	if (!frameView)
 	{
 		frameView = [[[OSXWindowFrameView alloc] initWithFrame:bounds] autorelease];
-		
+		frameView->width = width; 
+		frameView->height = height; 
+		frameView->draw_buffer = draw_buffer; 
+		frameView->scale = scale;
 		[super setContentView:frameView];
 	}
 	
 	if (childContentView)
-	{
 		[childContentView removeFromSuperview];
-	}
+
 	childContentView = aView;
 	[childContentView setFrame:[self contentRectForFrameRect:bounds]];
 	[childContentView setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable];
@@ -133,4 +205,18 @@
 	return NSInsetRect(windowContentRect, 0, 0);
 }
 
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)updateSize 
+{
+	OSXWindowFrameView* frameView = [super contentView];
+	if (frameView)
+	{
+		frameView->width = width; 
+		frameView->height = height; 
+		frameView->draw_buffer = draw_buffer; 
+		frameView->scale = scale;
+	}
+}
+
 @end

src/native/macosx/OSXWindowFrameView.h

@@ -2,6 +2,10 @@
 
 @interface OSXWindowFrameView : NSView
 {
+	@public int scale;
+	@public int width;
+	@public int height;
+	@public void* draw_buffer;
 }
 
 @end

src/native/macosx/OSXWindowFrameView.m

@@ -2,10 +2,6 @@
 
 @implementation OSXWindowFrameView
 
-extern void* g_updateBuffer;
-extern int g_width;
-extern int g_height;
-
 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
 - (NSRect)resizeRect
@@ -27,21 +23,18 @@ extern int g_height;
 
 - (void)drawRect:(NSRect)rect
 {
-	if (!g_updateBuffer)
-		return;
-
 	CGContextRef context = [[NSGraphicsContext currentContext] graphicsPort];
 
 	CGColorSpaceRef space = CGColorSpaceCreateDeviceRGB();
-	CGDataProviderRef provider = CGDataProviderCreateWithData(NULL, g_updateBuffer, g_width * g_height * 4, NULL); 
+	CGDataProviderRef provider = CGDataProviderCreateWithData(NULL, draw_buffer, width * height * 4, NULL); 
 
-	CGImageRef img = CGImageCreate(g_width, g_height, 8, 32, g_width * 4, space, kCGImageAlphaNoneSkipFirst | kCGBitmapByteOrder32Little, 
+	CGImageRef img = CGImageCreate(width, height, 8, 32, width * 4, space, kCGImageAlphaNoneSkipFirst | kCGBitmapByteOrder32Little, 
 								   provider, NULL, false, kCGRenderingIntentDefault);
 
 	CGColorSpaceRelease(space);
 	CGDataProviderRelease(provider);
 
-	CGContextDrawImage(context, CGRectMake(0, 0, g_width, g_height), img);
+	CGContextDrawImage(context, CGRectMake(0, 0, width * scale, height * scale), img);
 
 	CGImageRelease(img);
 }

src/os/macos/mod.rs

@@ -0,0 +1,280 @@
+#![cfg(target_os = "macos")]
+
+use {Scale, Key, KeyRepeat};
+use key_handler::KeyHandler;
+
+use libc::{c_void, c_char, c_uchar};
+use std::ffi::{CString};
+use std::ptr;
+use std::mem;
+
+// Table taken from GLFW and slightly modified
+
+static KEY_MAPPINGS: [Key; 128] = [ 
+    /* 00 */ Key::A,
+    /* 01 */ Key::S,
+    /* 02 */ Key::D,
+    /* 03 */ Key::F,
+    /* 04 */ Key::H,
+    /* 05 */ Key::G,
+    /* 06 */ Key::Z,
+    /* 07 */ Key::X,
+    /* 08 */ Key::C,
+    /* 09 */ Key::V,
+    /* 0a */ Key::Unknown, // GraveAccent
+    /* 0b */ Key::B,
+    /* 0c */ Key::Q,
+    /* 0d */ Key::W,
+    /* 0e */ Key::E,
+    /* 0f */ Key::R,
+    /* 10 */ Key::Y,
+    /* 11 */ Key::T,
+    /* 12 */ Key::Key1,
+    /* 13 */ Key::Key2,
+    /* 14 */ Key::Key3,
+    /* 15 */ Key::Key4,
+    /* 16 */ Key::Key6,
+    /* 17 */ Key::Key5,
+    /* 18 */ Key::Equal,
+    /* 19 */ Key::Key9,
+    /* 1a */ Key::Key7,
+    /* 1b */ Key::Minus,
+    /* 1c */ Key::Key8,
+    /* 1d */ Key::Key0,
+    /* 1e */ Key::RightBracket,
+    /* 1f */ Key::O,
+    /* 20 */ Key::U,
+    /* 21 */ Key::LeftBracket,
+    /* 22 */ Key::I,
+    /* 23 */ Key::P,
+    /* 24 */ Key::Enter,
+    /* 25 */ Key::L,
+    /* 26 */ Key::J,
+    /* 27 */ Key::Apostrophe,
+    /* 28 */ Key::K,
+    /* 29 */ Key::Semicolon,
+    /* 2a */ Key::Backslash,
+    /* 2b */ Key::Comma,
+    /* 2c */ Key::Slash,
+    /* 2d */ Key::N,
+    /* 2e */ Key::M,
+    /* 2f */ Key::Period,
+    /* 30 */ Key::Tab,
+    /* 31 */ Key::Space,
+    /* 32 */ Key::Unknown,  // World1
+    /* 33 */ Key::Backspace,
+    /* 34 */ Key::Unknown,
+    /* 35 */ Key::Escape,
+    /* 36 */ Key::RightSuper,
+    /* 37 */ Key::LeftSuper,
+    /* 38 */ Key::LeftShift,
+    /* 39 */ Key::CapsLock,
+    /* 3a */ Key::LeftAlt,
+    /* 3b */ Key::LeftCtrl,
+    /* 3c */ Key::RightShift,
+    /* 3d */ Key::RightAlt,
+    /* 3e */ Key::RightCtrl,
+    /* 3f */ Key::Unknown, // Function
+    /* 40 */ Key::Unknown, // F17
+    /* 41 */ Key::Unknown, // Decimal
+    /* 42 */ Key::Unknown, 
+    /* 43 */ Key::Unknown, // Multiply
+    /* 44 */ Key::Unknown,
+    /* 45 */ Key::Unknown, // Add
+    /* 46 */ Key::Unknown,
+    /* 47 */ Key::NumLock, // Really KeypadClear...
+    /* 48 */ Key::Unknown, // VolumeUp
+    /* 49 */ Key::Unknown, // VolumeDown
+    /* 4a */ Key::Unknown, // Mute
+    /* 4b */ Key::Unknown, 
+    /* 4c */ Key::Enter,
+    /* 4d */ Key::Unknown,
+    /* 4e */ Key::Unknown, // Subtrackt
+    /* 4f */ Key::Unknown, // F18
+    /* 50 */ Key::Unknown, // F19
+    /* 51 */ Key::Equal,
+    /* 52 */ Key::NumPad0,
+    /* 53 */ Key::NumPad1,
+    /* 54 */ Key::NumPad2,
+    /* 55 */ Key::NumPad3,
+    /* 56 */ Key::NumPad4,
+    /* 57 */ Key::NumPad5,
+    /* 58 */ Key::NumPad6,
+    /* 59 */ Key::NumPad7,
+    /* 5a */ Key::Unknown, // F20
+    /* 5b */ Key::NumPad8,
+    /* 5c */ Key::NumPad9,
+    /* 5d */ Key::Unknown,
+    /* 5e */ Key::Unknown,
+    /* 5f */ Key::Unknown,
+    /* 60 */ Key::F5,
+    /* 61 */ Key::F6,
+    /* 62 */ Key::F7,
+    /* 63 */ Key::F3,
+    /* 64 */ Key::F8,
+    /* 65 */ Key::F9,
+    /* 66 */ Key::Unknown,
+    /* 67 */ Key::F11,
+    /* 68 */ Key::Unknown,
+    /* 69 */ Key::Unknown, // PrintScreen
+    /* 6a */ Key::Unknown, // F16
+    /* 6b */ Key::F14,
+    /* 6c */ Key::Unknown,
+    /* 6d */ Key::F10,
+    /* 6e */ Key::Unknown,
+    /* 6f */ Key::F12,
+    /* 70 */ Key::Unknown,
+    /* 71 */ Key::F15,
+    /* 72 */ Key::Insert, /* Really Help... */
+    /* 73 */ Key::Home,
+    /* 74 */ Key::PageUp,
+    /* 75 */ Key::Delete,
+    /* 76 */ Key::F4,
+    /* 77 */ Key::End,
+    /* 78 */ Key::F2,
+    /* 79 */ Key::PageDown,
+    /* 7a */ Key::F1,
+    /* 7b */ Key::Left,
+    /* 7c */ Key::Right,
+    /* 7d */ Key::Down,
+    /* 7e */ Key::Up,
+    /* 7f */ Key::Unknown,
+];
+
+#[link(name = "Cocoa", kind = "framework")]
+extern {
+    fn mfb_open(name: *const c_char, width: u32, height: u32, scale: i32) -> *mut c_void;
+    fn mfb_close(window: *mut c_void);
+    fn mfb_update(window: *mut c_void, buffer: *const c_uchar);
+    fn mfb_set_key_callback(window: *mut c_void, target: *mut c_void, cb: unsafe extern fn(*mut c_void, i32, i32));
+    fn mfb_should_close(window: *mut c_void) -> i32;
+    fn mfb_get_screen_size() -> u32;
+}
+
+pub struct Window {
+    window_handle: *mut c_void,
+    key_handler: KeyHandler,
+}
+
+unsafe extern "C" fn key_callback(window: *mut c_void, key: i32, state: i32) {
+    let win: *mut Window = mem::transmute(window);
+
+    let s = state == 1;
+
+    if key > 128 {
+        (*win).key_handler.set_key_state(Key::Unknown, s);
+    } else {
+        (*win).key_handler.set_key_state(KEY_MAPPINGS[key as usize], s);
+    }
+}
+
+impl Window {
+    pub fn new(name: &str, width: usize, height: usize, scale: Scale) -> Result<Window, &str> {
+        let n = match CString::new(name) {
+            Err(_) => { 
+                println!("Unable to convert {} to c_string", name);
+                return Err("Unable to set correct name"); 
+            }
+            Ok(n) => n,
+        };
+
+        unsafe {
+            let handle = mfb_open(n.as_ptr(), width as u32, height as u32, Self::get_scale_factor(width, height, scale));
+
+            if handle == ptr::null_mut() {
+                return Err("Unable to open Window");
+            }
+
+            Ok(Window { 
+                window_handle: handle,
+                key_handler: KeyHandler::new(),
+            })
+        }
+    }
+
+    pub fn update(&mut self, buffer: &[u32]) {
+        self.key_handler.update();
+
+        unsafe {
+            mfb_update(self.window_handle, buffer.as_ptr() as *const u8);
+            mfb_set_key_callback(self.window_handle, mem::transmute(self), key_callback);
+        }
+    }
+
+    #[inline]
+    pub fn get_keys(&self) -> Option<Vec<Key>> {
+        self.key_handler.get_keys()
+    }
+
+    #[inline]
+    pub fn get_keys_pressed(&self, repeat: KeyRepeat) -> Option<Vec<Key>> {
+        self.key_handler.get_keys_pressed(repeat)
+    }
+
+    #[inline]
+    pub fn is_key_down(&self, key: Key) -> bool {
+        self.key_handler.is_key_down(key)
+    }
+
+    #[inline]
+    pub fn set_key_repeat_delay(&mut self, delay: f32) {
+        self.key_handler.set_key_repeat_delay(delay)
+    }
+
+    #[inline]
+    pub fn set_key_repeat_rate(&mut self, rate: f32) {
+        self.key_handler.set_key_repeat_rate(rate)
+    }
+
+    #[inline]
+    pub fn is_key_pressed(&self, key: Key, repeat: KeyRepeat) -> bool {
+        self.key_handler.is_key_pressed(key, repeat)
+    }
+
+    #[inline]
+    pub fn is_open(&self) -> bool {
+        unsafe { mfb_should_close(self.window_handle) == 0 }
+    }
+
+    unsafe fn get_scale_factor(width: usize, height: usize, scale: Scale) -> i32 {
+        let factor: i32 = match scale {
+            Scale::X1 => 1,
+            Scale::X2 => 2,
+            Scale::X4 => 4,
+            Scale::X8 => 8,
+            Scale::X16 => 16,
+            Scale::X32 => 32,
+            Scale::FitScreen => {
+                let wh: u32 = mfb_get_screen_size();
+                let screen_x = (wh >> 16) as i32; 
+                let screen_y = (wh & 0xffff) as i32; 
+
+                let mut scale = 1i32;
+
+                loop {
+                    let w = width as i32 * (scale + 1);
+                    let h = height as i32 * (scale + 1);
+
+                    if w > screen_x || h > screen_y {
+                        break;
+                    }
+
+                    scale *= 2;
+                }
+
+                scale
+            }
+        };
+
+        return factor;
+    }
+}
+
+impl Drop for Window {
+    fn drop(&mut self) {
+        unsafe {
+            mfb_close(self.window_handle);
+        }
+    }
+}
+

src/os/mod.rs

@@ -0,0 +1,4 @@
+#[cfg(target_os = "macos")]
+pub mod macos;
+#[cfg(target_os = "windows")]
+pub mod windows;

src/os/windows/mod.rs

@@ -0,0 +1,428 @@
+#![cfg(target_os = "windows")]
+
+extern crate user32;
+extern crate kernel32;
+extern crate winapi;
+extern crate gdi32;
+extern crate time;
+
+use {Scale, Key, KeyRepeat};
+
+use key_handler::KeyHandler;
+
+use std::ptr;
+use std::os::windows::ffi::OsStrExt;
+use std::ffi::OsStr;
+use std::mem;
+
+use self::winapi::windef::HWND;
+use self::winapi::windef::HDC;
+use self::winapi::winuser::WS_OVERLAPPEDWINDOW;
+use self::winapi::winuser::WNDCLASSW;
+use self::winapi::wingdi::BITMAPINFOHEADER;
+use self::winapi::wingdi::RGBQUAD;
+
+// Wrap this so we can have a proper numbef of bmiColors to write in
+#[repr(C)]
+struct BitmapInfo {
+    pub bmi_header: BITMAPINFOHEADER,
+    pub bmi_colors: [RGBQUAD; 3],
+}
+
+fn update_key_state(window: &mut Window, wparam: u32, state: bool) {
+    match wparam & 0x1ff {
+        0x00B => window.key_handler.set_key_state(Key::Key0, state),
+        0x002 => window.key_handler.set_key_state(Key::Key1, state),
+        0x003 => window.key_handler.set_key_state(Key::Key2, state),
+        0x004 => window.key_handler.set_key_state(Key::Key3, state),
+        0x005 => window.key_handler.set_key_state(Key::Key4, state),
+        0x006 => window.key_handler.set_key_state(Key::Key5, state),
+        0x007 => window.key_handler.set_key_state(Key::Key6, state),
+        0x008 => window.key_handler.set_key_state(Key::Key7, state),
+        0x009 => window.key_handler.set_key_state(Key::Key8, state),
+        0x00A => window.key_handler.set_key_state(Key::Key9, state),
+        0x01E => window.key_handler.set_key_state(Key::A, state),
+        0x030 => window.key_handler.set_key_state(Key::B, state),
+        0x02E => window.key_handler.set_key_state(Key::C, state),
+        0x020 => window.key_handler.set_key_state(Key::D, state),
+        0x012 => window.key_handler.set_key_state(Key::E, state),
+        0x021 => window.key_handler.set_key_state(Key::F, state),
+        0x022 => window.key_handler.set_key_state(Key::G, state),
+        0x023 => window.key_handler.set_key_state(Key::H, state),
+        0x017 => window.key_handler.set_key_state(Key::I, state),
+        0x024 => window.key_handler.set_key_state(Key::J, state),
+        0x025 => window.key_handler.set_key_state(Key::K, state),
+        0x026 => window.key_handler.set_key_state(Key::L, state),
+        0x032 => window.key_handler.set_key_state(Key::M, state),
+        0x031 => window.key_handler.set_key_state(Key::N, state),
+        0x018 => window.key_handler.set_key_state(Key::O, state),
+        0x019 => window.key_handler.set_key_state(Key::P, state),
+        0x010 => window.key_handler.set_key_state(Key::Q, state),
+        0x013 => window.key_handler.set_key_state(Key::R, state),
+        0x01F => window.key_handler.set_key_state(Key::S, state),
+        0x014 => window.key_handler.set_key_state(Key::T, state),
+        0x016 => window.key_handler.set_key_state(Key::U, state),
+        0x02F => window.key_handler.set_key_state(Key::V, state),
+        0x011 => window.key_handler.set_key_state(Key::W, state),
+        0x02D => window.key_handler.set_key_state(Key::X, state),
+        0x015 => window.key_handler.set_key_state(Key::Y, state),
+        0x02C => window.key_handler.set_key_state(Key::Z, state),
+        0x03B => window.key_handler.set_key_state(Key::F1, state),
+        0x03C => window.key_handler.set_key_state(Key::F2, state),
+        0x03D => window.key_handler.set_key_state(Key::F3, state),
+        0x03E => window.key_handler.set_key_state(Key::F4, state),
+        0x03F => window.key_handler.set_key_state(Key::F5, state),
+        0x040 => window.key_handler.set_key_state(Key::F6, state),
+        0x041 => window.key_handler.set_key_state(Key::F7, state),
+        0x042 => window.key_handler.set_key_state(Key::F8, state),
+        0x043 => window.key_handler.set_key_state(Key::F9, state),
+        0x044 => window.key_handler.set_key_state(Key::F10, state),
+        0x057 => window.key_handler.set_key_state(Key::F11, state),
+        0x058 => window.key_handler.set_key_state(Key::F12, state),
+        0x150 => window.key_handler.set_key_state(Key::Down, state),
+        0x14B => window.key_handler.set_key_state(Key::Left, state),
+        0x14D => window.key_handler.set_key_state(Key::Right, state),
+        0x148 => window.key_handler.set_key_state(Key::Up, state),
+        0x028 => window.key_handler.set_key_state(Key::Apostrophe, state),
+        0x029 => window.key_handler.set_key_state(Key::Backquote, state),
+        0x02B => window.key_handler.set_key_state(Key::Backslash, state),
+        0x033 => window.key_handler.set_key_state(Key::Comma, state),
+        0x00D => window.key_handler.set_key_state(Key::Equal, state),
+        0x01A => window.key_handler.set_key_state(Key::LeftBracket, state),
+        0x00C => window.key_handler.set_key_state(Key::Minus, state),
+        0x034 => window.key_handler.set_key_state(Key::Period, state),
+        0x01B => window.key_handler.set_key_state(Key::RightBracket, state),
+        0x027 => window.key_handler.set_key_state(Key::Semicolon, state),
+        0x035 => window.key_handler.set_key_state(Key::Slash, state),
+        0x00E => window.key_handler.set_key_state(Key::Backspace, state),
+        0x153 => window.key_handler.set_key_state(Key::Delete, state),
+        0x14F => window.key_handler.set_key_state(Key::End, state),
+        0x01C => window.key_handler.set_key_state(Key::Enter, state),
+        0x001 => window.key_handler.set_key_state(Key::Escape, state),
+        0x147 => window.key_handler.set_key_state(Key::Home, state),
+        0x152 => window.key_handler.set_key_state(Key::Insert, state),
+        0x15D => window.key_handler.set_key_state(Key::Menu, state),
+        0x151 => window.key_handler.set_key_state(Key::PageDown, state),
+        0x149 => window.key_handler.set_key_state(Key::PageUp, state),
+        0x045 => window.key_handler.set_key_state(Key::Pause, state),
+        0x039 => window.key_handler.set_key_state(Key::Space, state),
+        0x00F => window.key_handler.set_key_state(Key::Tab, state),
+        0x145 => window.key_handler.set_key_state(Key::NumLock, state),
+        0x03A => window.key_handler.set_key_state(Key::CapsLock, state),
+        0x046 => window.key_handler.set_key_state(Key::ScrollLock, state),
+        0x02A => window.key_handler.set_key_state(Key::LeftShift, state),
+        0x036 => window.key_handler.set_key_state(Key::RightShift, state),
+        0x01D => window.key_handler.set_key_state(Key::LeftCtrl, state),
+        0x11D => window.key_handler.set_key_state(Key::RightCtrl, state),
+        0x052 => window.key_handler.set_key_state(Key::NumPad0, state),
+        0x04F => window.key_handler.set_key_state(Key::NumPad1, state),
+        0x050 => window.key_handler.set_key_state(Key::NumPad2, state),
+        0x051 => window.key_handler.set_key_state(Key::NumPad3, state),
+        0x04B => window.key_handler.set_key_state(Key::NumPad4, state),
+        0x04C => window.key_handler.set_key_state(Key::NumPad5, state),
+        0x04D => window.key_handler.set_key_state(Key::NumPad6, state),
+        0x047 => window.key_handler.set_key_state(Key::NumPad7, state),
+        0x048 => window.key_handler.set_key_state(Key::NumPad8, state),
+        0x049 => window.key_handler.set_key_state(Key::NumPad9, state),
+        0x053 => window.key_handler.set_key_state(Key::NumPadDot, state),
+        0x135 => window.key_handler.set_key_state(Key::NumPadSlash, state),
+        0x037 => window.key_handler.set_key_state(Key::NumPadAsterisk, state),
+        0x04A => window.key_handler.set_key_state(Key::NumPadMinus, state),
+        0x04E => window.key_handler.set_key_state(Key::NumPadPlus, state),
+        0x11C => window.key_handler.set_key_state(Key::NumPadEnter, state),
+        _ => (),
+    }
+}
+
+
+unsafe extern "system" fn wnd_proc(window: winapi::HWND,
+                                   msg: winapi::UINT,
+                                   wparam: winapi::WPARAM,
+                                   lparam: winapi::LPARAM)
+                                   -> winapi::LRESULT {
+    // This make sure we actually don't do anything before the user data has been setup for the
+    // window
+
+    let user_data = user32::GetWindowLongPtrW(window, winapi::winuser::GWLP_USERDATA);
+
+    if user_data == 0 {
+        return user32::DefWindowProcW(window, msg, wparam, lparam);
+    }
+
+    let mut wnd: &mut Window = mem::transmute(user_data);
+
+    match msg {
+        winapi::winuser::WM_KEYDOWN => {
+            update_key_state(wnd, (lparam as u32) >> 16, true);
+            return 0;
+        }
+
+        winapi::winuser::WM_CLOSE => {
+            wnd.is_open = false;
+        }
+
+        winapi::winuser::WM_KEYUP => {
+            update_key_state(wnd, (lparam as u32) >> 16, false);
+            return 0;
+        }
+
+        winapi::winuser::WM_PAINT => {
+            let mut bitmap_info: BitmapInfo = mem::zeroed();
+
+            bitmap_info.bmi_header.biSize = mem::size_of::<BITMAPINFOHEADER>() as u32;
+            bitmap_info.bmi_header.biPlanes = 1;
+            bitmap_info.bmi_header.biBitCount = 32;
+            bitmap_info.bmi_header.biCompression = winapi::wingdi::BI_BITFIELDS;
+            bitmap_info.bmi_header.biWidth = wnd.width;
+            bitmap_info.bmi_header.biHeight = -wnd.height;
+            bitmap_info.bmi_colors[0].rgbRed = 0xff;
+            bitmap_info.bmi_colors[1].rgbGreen = 0xff;
+            bitmap_info.bmi_colors[2].rgbBlue = 0xff;
+
+            gdi32::StretchDIBits(wnd.dc.unwrap(),
+                                 0,
+                                 0,
+                                 wnd.width * wnd.scale_factor,
+                                 wnd.height * wnd.scale_factor,
+                                 0,
+                                 0,
+                                 wnd.width,
+                                 wnd.height,
+                                 mem::transmute(wnd.buffer.as_ptr()),
+                                 mem::transmute(&bitmap_info),
+                                 winapi::wingdi::DIB_RGB_COLORS,
+                                 winapi::wingdi::SRCCOPY);
+
+            user32::ValidateRect(window, ptr::null_mut());
+
+            return 0;
+        }
+
+        _ => (),
+    }
+
+    return user32::DefWindowProcW(window, msg, wparam, lparam);
+}
+
+pub enum MinifbError {
+    UnableToCreateWindow,
+}
+
+fn to_wstring(str: &str) -> Vec<u16> {
+    let mut v: Vec<u16> = OsStr::new(str).encode_wide().chain(Some(0).into_iter()).collect();
+    v.push(0u16);
+    v
+}
+
+pub struct Window {
+    dc: Option<HDC>,
+    window: Option<HWND>,
+    buffer: Vec<u32>,
+    is_open : bool,
+    scale_factor: i32,
+    width: i32,
+    height: i32,
+    key_handler: KeyHandler,
+}
+
+impl Window {
+    fn open_window(name: &str, width: usize, height: usize, scale_factor: i32) -> Option<HWND> {
+        unsafe {
+            let class_name = to_wstring("minifb_window");
+            let class = WNDCLASSW {
+                style: winapi::CS_HREDRAW | winapi::CS_VREDRAW | winapi::CS_OWNDC,
+                lpfnWndProc: Some(wnd_proc),
+                cbClsExtra: 0,
+                cbWndExtra: 0,
+                hInstance: kernel32::GetModuleHandleA(ptr::null()),
+                hIcon: ptr::null_mut(),
+                hCursor: ptr::null_mut(),
+                hbrBackground: ptr::null_mut(),
+                lpszMenuName: ptr::null(),
+                lpszClassName: class_name.as_ptr(),
+            };
+
+            if user32::RegisterClassW(&class) == 0 {
+                // ignore the "Class already exists" error for multiple windows
+                if kernel32::GetLastError() as u32 != 1410 {
+                    println!("Unable to register class, error {}", kernel32::GetLastError() as u32);
+                    return None;
+                }
+            }
+
+            let new_width = width * scale_factor as usize;
+            let new_height = height * scale_factor as usize;
+
+            let mut rect = winapi::RECT {
+                left: 0,
+                right: new_width as winapi::LONG,
+                top: 0,
+                bottom: new_height as winapi::LONG,
+            };
+
+            user32::AdjustWindowRect(&mut rect,
+                                     winapi::WS_POPUP | winapi::WS_SYSMENU | winapi::WS_CAPTION,
+                                     0);
+
+            rect.right -= rect.left;
+            rect.bottom -= rect.top;
+
+            let window_name = to_wstring(name);
+
+            let handle = user32::CreateWindowExW(0,
+                                                 class_name.as_ptr(), 
+                                                 window_name.as_ptr(),
+                                                 winapi::WS_OVERLAPPEDWINDOW &
+                                                 !winapi::WS_MAXIMIZEBOX &
+                                                 !winapi::WS_THICKFRAME,
+                                                 winapi::CW_USEDEFAULT,
+                                                 winapi::CW_USEDEFAULT,
+                                                 rect.right,
+                                                 rect.bottom,
+                                                 ptr::null_mut(),
+                                                 ptr::null_mut(),
+                                                 ptr::null_mut(),
+                                                 ptr::null_mut());
+            if handle.is_null() {
+                println!("Unable to create window, error {}", kernel32::GetLastError() as u32);
+                return None;
+            }
+
+            user32::ShowWindow(handle, winapi::SW_NORMAL);
+
+            return Some(handle);
+        }
+    }
+
+    pub fn new(name: &str,
+               width: usize,
+               height: usize,
+               scale: Scale)
+               -> Result<Window, &str> {
+        unsafe {
+            let scale_factor = Self::get_scale_factor(width, height, scale);
+
+            let handle = Self::open_window(name, width, height, scale_factor);
+
+            if handle.is_none() {
+                return Err("Unable to create Window");
+            }
+
+            let window = Window {
+                dc: Some(user32::GetDC(handle.unwrap())),
+                window: Some(handle.unwrap()),
+                buffer: Vec::new(),
+                key_handler: KeyHandler::new(),
+                is_open: true,
+                scale_factor: scale_factor,
+                width: width as i32,
+                height: height as i32,
+            };
+
+            Ok(window)
+        }
+    }
+
+    #[inline]
+    pub fn get_keys(&self) -> Option<Vec<Key>> {
+        self.key_handler.get_keys()
+    }
+
+    #[inline]
+    pub fn get_keys_pressed(&self, repeat: KeyRepeat) -> Option<Vec<Key>> {
+        self.key_handler.get_keys_pressed(repeat)
+    }
+
+    #[inline]
+    pub fn is_key_down(&self, key: Key) -> bool {
+        self.key_handler.is_key_down(key)
+    }
+
+    #[inline]
+    pub fn set_key_repeat_delay(&mut self, delay: f32) {
+        self.key_handler.set_key_repeat_delay(delay)
+    }
+
+    #[inline]
+    pub fn set_key_repeat_rate(&mut self, rate: f32) {
+        self.key_handler.set_key_repeat_rate(rate)
+    }
+
+    #[inline]
+    pub fn is_key_pressed(&self, key: Key, repeat: KeyRepeat) -> bool {
+        self.key_handler.is_key_pressed(key, repeat)
+    }
+
+
+    #[inline]
+    pub fn is_open(&self) -> bool {
+        return self.is_open
+    }
+
+    pub fn update(&mut self, buffer: &[u32]) {
+        unsafe {
+            let mut msg = mem::uninitialized();
+            let window = self.window.unwrap();
+
+            self.key_handler.update();
+
+            // TODO: Optimize
+
+            self.buffer = buffer.iter().cloned().collect();
+
+            user32::SetWindowLongPtrW(window, winapi::winuser::GWLP_USERDATA, mem::transmute(self));
+            user32::InvalidateRect(window, ptr::null_mut(), winapi::TRUE);
+
+            while user32::PeekMessageW(&mut msg, window, 0, 0, winapi::winuser::PM_REMOVE) != 0 {
+                user32::TranslateMessage(&mut msg);
+                user32::DispatchMessageW(&mut msg);
+            }
+        }
+    }
+
+    unsafe fn get_scale_factor(width: usize, height: usize, scale: Scale) -> i32 {
+        let factor: i32 = match scale {
+            Scale::X1 => 1,
+            Scale::X2 => 2,
+            Scale::X4 => 4,
+            Scale::X8 => 8,
+            Scale::X16 => 16,
+            Scale::X32 => 32,
+            Scale::FitScreen => {
+                let screen_x = user32::GetSystemMetrics(winapi::winuser::SM_CXSCREEN) as i32;
+                let screen_y = user32::GetSystemMetrics(winapi::winuser::SM_CYSCREEN) as i32;
+
+                let mut scale = 1i32;
+
+                loop {
+                    let w = width as i32 * (scale + 1);
+                    let h = height as i32 * (scale + 1);
+
+                    if w > screen_x || h > screen_y {
+                        break;
+                    }
+
+                    scale *= 2;
+                }
+
+                scale
+            }
+        };
+
+        return factor;
+    }
+}
+
+impl Drop for Window {
+    fn drop(&mut self) {
+        unsafe {
+            if self.dc.is_some() {
+                user32::ReleaseDC(self.window.unwrap(), self.dc.unwrap());
+            }
+
+            if self.window.is_some() {
+                user32::CloseWindow(self.window.unwrap());
+            }
+        }
+    }
+}