map keys and handle key events on Android and OS X

engine/main.cpp

@@ -5,6 +5,7 @@
 #include "texture.h"
 #include "image.h"
 #include "app.h"
+#include "keymap.h"
 
 #ifdef __APPLE__
 #include <CoreFoundation/CoreFoundation.h>
@@ -252,6 +253,22 @@ static CVReturn MyDisplayLinkCallback(CVDisplayLinkRef displayLink, const CVTime
     App::I.mouse_scroll(mouseLoc.x, App::I.height - mouseLoc.y - 1, [theEvent deltaY]);
     CGLUnlockContext([[self openGLContext] CGLContextObj]);
 }
+- (void)keyDown:(NSEvent *)theEvent
+{
+    CGLLockContext([[self openGLContext] CGLContextObj]);
+    auto keyCode = [theEvent keyCode];
+    auto chars = [theEvent characters];
+    App::I.key_down(convert_key(keyCode));
+    CGLUnlockContext([[self openGLContext] CGLContextObj]);
+}
+- (void)keyUp:(NSEvent *)theEvent
+{
+    CGLLockContext([[self openGLContext] CGLContextObj]);
+    auto keyCode = [theEvent keyCode];
+    auto chars = [theEvent characters];
+    App::I.key_up(convert_key(keyCode));
+    CGLUnlockContext([[self openGLContext] CGLContextObj]);
+}
 @end
 
 @interface Window : NSWindow