joystick: correct events used by gamepad-style up/down/left/right but…

…tons

Signed-off-by: Ron Evans <[email protected]>

examples/joystick_ps3.go

@@ -53,6 +53,18 @@ func main() {
 		stick.On(joystick.SelectRelease, func(data interface{}) {
 			fmt.Println("select_release")
 		})
+		stick.On(joystick.RightPress, func(data interface{}) {
+			fmt.Println("right_press")
+		})
+		stick.On(joystick.LeftPress, func(data interface{}) {
+			fmt.Println("left_press")
+		})
+		stick.On(joystick.UpPress, func(data interface{}) {
+			fmt.Println("up_press")
+		})
+		stick.On(joystick.DownPress, func(data interface{}) {
+			fmt.Println("down_press")
+		})
 
 		// joysticks
 		stick.On(joystick.LeftX, func(data interface{}) {

platforms/joystick/events.go

@@ -33,14 +33,22 @@ const (
 	R2Press = "r2_press"
 	// R1 button release event
 	R2Release = "r2_release"
-	// up gamepad event
-	Up = "up"
-	// down gamepad event
-	Down = "down"
-	// left gamepad event
-	Left = "left"
-	// right gamepad event
-	Right = "right"
+	// up gamepad press event
+	UpPress = "up_press"
+	// up gamepad release event
+	UpRelease = "up_release"
+	// down gamepad press event
+	DownPress = "down_press"
+	// down gamepad release event
+	DownRelease = "down_release"
+	// left gamepad press event
+	LeftPress = "left_press"
+	// left gamepad release event
+	LeftRelease = "left_release"
+	// right gamepad press event
+	RightPress = "right_press"
+	// right gamepad release event
+	RightRelease = "right_release"
 	// square button press event
 	SquarePress = "square_press"
 	// square button release event