Added keydown/keyup

ui/cocoa/ebiten_content_view.c

@@ -3,6 +3,8 @@
 #include "ebiten_content_view.h"
 #include "input.h"
 
+void ebiten_KeyDown(void* nativeWindow, int keyCode);
+void ebiten_KeyUp(void* nativeWindow, int keyCode);
 void ebiten_MouseStateUpdated(void* nativeWindow, InputType inputType, int x, int y);
 
 @implementation EbitenContentView {
@@ -17,10 +19,11 @@ void ebiten_MouseStateUpdated(void* nativeWindow, InputType inputType, int x, in
 }
 
 - (void)keyDown:(NSEvent*)theEvent {
-  [self interpretKeyEvents:[NSArray arrayWithObject:theEvent]];
+  ebiten_KeyDown([self window], [theEvent keyCode]);
 }
 
-- (void)insertText:(id)aString {
+- (void)keyUp:(NSEvent*)theEvent {
+  ebiten_KeyUp([self window], [theEvent keyCode]);
 }
 
 - (void)mouseDown:(NSEvent*)theEvent {
@@ -48,17 +51,4 @@ void ebiten_MouseStateUpdated(void* nativeWindow, InputType inputType, int x, in
   ebiten_MouseStateUpdated([self window], InputTypeMouseDragged, x, y);
 }
 
-- (void)moveDown:(id)sender {
-  
-}
-
-- (void)moveLeft:(id)sender {
-}
-
-- (void)moveRight:(id)sender {
-}
-
-- (void)moveUp:(id)sender {
-}
-
 @end

ui/cocoa/window.go

@@ -27,6 +27,7 @@ type Window struct {
 	screenScale  int
 	closed       bool
 	native       unsafe.Pointer
+	pressedKeys  map[ui.Key]struct{}
 	context      *opengl.Context
 	funcs        chan func()
 	funcsDone    chan struct{}
@@ -35,13 +36,14 @@ type Window struct {
 
 var windows = map[unsafe.Pointer]*Window{}
 
-func runWindow(ui *cocoaUI, width, height, scale int, title string, sharedContext unsafe.Pointer) *Window {
+func runWindow(cocoaUI *cocoaUI, width, height, scale int, title string, sharedContext unsafe.Pointer) *Window {
 	w := &Window{
-		ui:           ui,
+		ui:           cocoaUI,
 		screenWidth:  width,
 		screenHeight: height,
 		screenScale:  scale,
 		closed:       false,
+		pressedKeys:  map[ui.Key]struct{}{},
 		funcs:        make(chan func()),
 		funcsDone:    make(chan struct{}),
 	}
@@ -63,7 +65,7 @@ func runWindow(ui *cocoaUI, width, height, scale int, title string, sharedContex
 	}()
 	<-ch
 	w.useGLContext(func() {
-		w.context = ui.graphicsDevice.CreateContext(width, height, scale)
+		w.context = w.ui.graphicsDevice.CreateContext(width, height, scale)
 	})
 	return w
 }
@@ -102,6 +104,33 @@ func ebiten_ScreenSizeUpdated(nativeWindow unsafe.Pointer, width, height int) {
 	u.windowEvents.notifyScreenSizeUpdated(e)
 }*/
 
+var cocoaKeyCodeToKey = map[int]ui.Key{
+	123: ui.KeyLeft,
+	124: ui.KeyRight,
+	125: ui.KeyUp,
+	126: ui.KeyDown,
+}
+
+//export ebiten_KeyDown
+func ebiten_KeyDown(nativeWindow unsafe.Pointer, keyCode int) {
+	key, ok := cocoaKeyCodeToKey[keyCode]
+	if !ok {
+		return
+	}
+	w := windows[nativeWindow]
+	w.pressedKeys[key] = struct{}{}
+}
+
+//export ebiten_KeyUp
+func ebiten_KeyUp(nativeWindow unsafe.Pointer, keyCode int) {
+	key, ok := cocoaKeyCodeToKey[keyCode]
+	if !ok {
+		return
+	}
+	w := windows[nativeWindow]
+	delete(w.pressedKeys, key)
+}
+
 //export ebiten_MouseStateUpdated
 func ebiten_MouseStateUpdated(nativeWindow unsafe.Pointer, inputType C.InputType, cx, cy C.int) {
 	w := windows[nativeWindow]

ui/ui.go

@@ -4,11 +4,24 @@ import (
 	"github.com/hajimehoshi/go-ebiten/graphics"
 )
 
+type Key int
+
+const (
+	KeyUp Key = iota
+	KeyDown
+	KeyLeft
+	KeyRight
+)
+
 type ScreenSizeUpdatedEvent struct {
 	Width  int
 	Height int
 }
 
+type KeyStateUpdatedEvent struct {
+	Keys []Key
+}
+
 type MouseStateUpdatedEvent struct {
 	X int
 	Y int