From c4241b7cc97e9b0a341d54f2a4d172500c1d5399 Mon Sep 17 00:00:00 2001
From: sanine <sanine.not@pm.me>
Date: Mon, 3 Oct 2022 21:12:22 -0500
Subject: add window.getKey

---
 demo/bouncing_ball/main.lua |  4 ++++
 demo/minimal/main.lua       |  1 +
 src/gl/window.c             | 18 ++++++++++++++++++
 3 files changed, 23 insertions(+)
 create mode 100644 demo/minimal/main.lua

diff --git a/demo/bouncing_ball/main.lua b/demo/bouncing_ball/main.lua
index ecbff7b..f98a032 100644
--- a/demo/bouncing_ball/main.lua
+++ b/demo/bouncing_ball/main.lua
@@ -98,6 +98,10 @@ local dtAverage = 0
 local dtCount = 0
 
 while not window.shouldClose(w) do
+	if window.getKey(w, window.KEY_ESCAPE) == window.PRESS then
+		break
+	end
+
 	local newTime = window.getTime()
 	local dt = newTime - time
 	dtAverage = dtAverage + dt
diff --git a/demo/minimal/main.lua b/demo/minimal/main.lua
new file mode 100644
index 0000000..8eaa5c1
--- /dev/null
+++ b/demo/minimal/main.lua
@@ -0,0 +1 @@
+print('hello, world!')
diff --git a/src/gl/window.c b/src/gl/window.c
index 04302e7..db807f6 100644
--- a/src/gl/window.c
+++ b/src/gl/window.c
@@ -28,6 +28,7 @@ int window_poll_events(lua_State *L);
 int window_swap_buffers(lua_State *L);
 int window_set_framebuffer_size_callback(lua_State *L);
 int window_get_time(lua_State *L);
+int window_get_key(lua_State *L);
 
 
 static const char *window_tname = "window";
@@ -58,9 +59,17 @@ void setup_window(lua_State *L, int honey_index)
 		hs_str_cfunc("swapBuffers", window_swap_buffers),
 		hs_str_cfunc("setFramebufferSizeCallback", window_set_framebuffer_size_callback),
 		hs_str_cfunc("getTime", window_get_time),
+		hs_str_cfunc("getKey", window_get_key),
 
 		hs_str_tbl("hintType", hint_types),
 		hs_str_tbl("profileType", profile_types),
+
+		/* key states */
+		hs_str_int("PRESS", GLFW_PRESS),
+		hs_str_int("RELEASE", GLFW_RELEASE),
+
+		/* key buttons */
+		hs_str_int("KEY_ESCAPE", GLFW_KEY_ESCAPE),
 	);
 	lua_setfield(L, honey_index, "window");
 }
@@ -172,3 +181,12 @@ int window_get_time(lua_State *L)
 	lua_pushnumber(L, glfwGetTime());
 	return 1;
 }
+
+
+int window_get_key(lua_State *L)
+{
+	GLFWwindow **win = luaL_checkudata(L, 1, window_tname);
+	int key = luaL_checkinteger(L, 2);
+	lua_pushinteger(L, glfwGetKey(*win, key));
+	return 1;
+}
-- 
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