RL.event function with input events.

1 files changed, 80 insertions, 0 deletions

diff --git a/examples/events/main.lua b/examples/events/main.lua
new file mode 100644
index 0000000..65f575c
--- /dev/null
+++ b/examples/events/main.lua
@@ -0,0 +1,80 @@
+local text = ""
+local textPos = { 100, 100 }
+local cursorIn = 0
+
+function RL.init()
+	RL.SetWindowTitle( "Events" )
+	RL.SetWindowState( RL.FLAG_VSYNC_HINT )
+end
+
+local function getEventType( event )
+	if event.type == RL.EVENT_KEY then
+		return "Key"
+	elseif event.type == RL.EVENT_CHAR then
+		return "Char"
+	elseif event.type == RL.EVENT_MOUSE_BUTTON then
+		return "Mouse Button"
+	elseif event.type == RL.EVENT_MOUSE_CURSOR_POS then
+		return "Mouse Cursor Position"
+	elseif event.type == RL.EVENT_MOUSE_SCROLL then
+		return "Mouse Scroll"
+	elseif event.type == RL.EVENT_CURSOR_ENTER then
+		return "Cursor Enter"
+	end
+
+	return "Unknown"
+end
+
+local function getAction( action )
+	if action == RL.GLFW_RELEASE then
+		return "Release"
+	elseif action == RL.GLFW_PRESS then
+		return "Press"
+	elseif action == RL.GLFW_REPEAT then
+		return "Repeat"
+	end
+
+	return "Unknown"
+end
+
+local function keyName( key )
+	for item, value in pairs( RL ) do
+		if value == key and string.match( item, "KEY_", 0 ) ~= nil and item ~= "KEY_MENU" then
+			return string.sub( item, 5 )
+		end
+	end
+	
+	return "Unknown"
+end
+
+function RL.event( event )
+	text = "Event: "..getEventType( event ).."\n"
+
+	if event.type == RL.EVENT_KEY then
+		text = text.."key: "..event.key.." scancode: "..event.scancode.." action: "..getAction( event.action ).." mods: "..event.mods
+		text = text .."\nkeyName: "..keyName( event.key )
+	elseif event.type == RL.EVENT_CHAR then
+		text = text.."key: "..event.key
+		-- text = text .."\nchar: "..string.char( event.key )
+		text = text .."\nchar: "..utf8.char( event.key )
+	elseif event.type == RL.EVENT_MOUSE_BUTTON then
+		text = text.."button: "..event.button.." action: "..getAction( event.action ).." mods: "..event.mods
+	elseif event.type == RL.EVENT_MOUSE_CURSOR_POS then
+		text = text.."x: "..event.x.." y: "..event.y
+	elseif event.type == RL.EVENT_MOUSE_SCROLL then
+		text = text.."yoffset: "..event.yoffset.." yoffset: "..event.yoffset
+	elseif event.type == RL.EVENT_CURSOR_ENTER then
+		text = text.."enter: "..event.enter
+		cursorIn = event.enter
+	end
+end
+
+function RL.draw()
+	if 0 < cursorIn then
+		RL.ClearBackground( RL.RAYWHITE )
+	else
+		RL.ClearBackground( RL.RED )
+	end
+
+    RL.DrawText( 0, text, textPos, 20, 2, RL.BLACK )
+end