Merge pull request JuliaGL#225 from cmcaine/master

Make `GetKey(win, KEY_ESCAPE) == PRESS` work

src/glfw3.jl

@@ -8,6 +8,15 @@
 	PRESS                  = 1
 	REPEAT                 = 2
 end
+# GetKey is defined below to return a Bool, but in the documentation it is
+# defined as returning PRESS or RELEASE. In C that doesn't matter, but in
+# Julia these are different types and so e.g.
+# `GLFW.GetKey(window, GLFW.KEY_ESCAPE)) == GLFW.PRESS` will always return
+# false.
+#
+# This method tells Julia how to compare an Action and a Bool so that code
+# calling GetKey as documented will work as expected.
+Base.(==)(b::Bool, a::Action) = b == Integer(a)
 
 @enum Key::Cint begin
 	# Unknown key

test/runtests.jl

@@ -9,6 +9,10 @@ println(GLFW.GetVersionString())
 # GLFWError uses integer for unrecognized error code
 @test isa(GLFW.GLFWError(0xDEADBEEF, "").code, Integer)
 
+# https://github.com/JuliaGL/GLFW.jl/pull/225
+@test GLFW.PRESS == true
+@test GLFW.RELEASE == false
+
 if !haskey(ENV, "CI")  # AppVeyor and Travis CI don't support OpenGL
 	include("windowclose.jl")
 end