From 0e75540f8e3c3744d926def7462cac78f861ec17 Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@gmail.com>
Date: Tue, 21 Apr 2020 22:33:56 +0900
Subject: [PATCH] monogame: Add IsKeyPressed

Updates #1078
---
 internal/monogame/monogame.go       | 5 +++++
 internal/uidriver/monogame/input.go | 4 +++-
 internal/uidriver/monogame/ui.go    | 1 +
 3 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/internal/monogame/monogame.go b/internal/monogame/monogame.go
index 6bdf00cda..a1c4c9f00 100644
--- a/internal/monogame/monogame.go
+++ b/internal/monogame/monogame.go
@@ -114,6 +114,11 @@ func (g *Game) ResetDestination(viewportWidth, viewportHeight int) {
 	g.binding.Call("SetDestination", nil, viewportWidth, viewportHeight)
 }
 
+func (g *Game) IsKeyPressed(key driver.Key) bool {
+	// Pass a string of the key since both driver.Key value and XNA's key value are not reliable.
+	return g.binding.Call("IsKeyPressed", key.String()).Bool()
+}
+
 type RenderTarget2D struct {
 	v       js.Value
 	binding js.Value
diff --git a/internal/uidriver/monogame/input.go b/internal/uidriver/monogame/input.go
index c7ddf5733..c58797264 100644
--- a/internal/uidriver/monogame/input.go
+++ b/internal/uidriver/monogame/input.go
@@ -18,9 +18,11 @@ package monogame
 
 import (
 	"github.com/hajimehoshi/ebiten/internal/driver"
+	"github.com/hajimehoshi/ebiten/internal/monogame"
 )
 
 type Input struct {
+	game *monogame.Game
 }
 
 func (i *Input) CursorPosition() (x, y int) {
@@ -56,7 +58,7 @@ func (i *Input) IsGamepadButtonPressed(id int, button driver.GamepadButton) bool
 }
 
 func (i *Input) IsKeyPressed(key driver.Key) bool {
-	return false
+	return i.game.IsKeyPressed(key)
 }
 
 func (i *Input) IsMouseButtonPressed(button driver.MouseButton) bool {
diff --git a/internal/uidriver/monogame/ui.go b/internal/uidriver/monogame/ui.go
index b8e060442..f228b1ae6 100644
--- a/internal/uidriver/monogame/ui.go
+++ b/internal/uidriver/monogame/ui.go
@@ -39,6 +39,7 @@ func (u *UI) Run(context driver.UIContext) error {
 	defer g.Dispose()
 
 	u.game = g
+	u.input.game = g
 	u.context = context
 	u.Graphics().(*graphics.Graphics).SetGame(g)
 	u.updateSize()