1 files changed, 9 insertions, 2 deletions
diff --git a/src/Window.zig b/src/Window.zig
index 307faf8..919ca9a 100644
--- a/src/Window.zig
+++ b/src/Window.zig
@@ -24,7 +24,8 @@ const getError = gfz.getError;
 const gfz = @import("gfz.zig");
 
 const Window = @This();
-pimpl: *GLFWwindow,
+pub const Impl = GLFWwindow;
+pimpl: *Impl,
 
 const Options = struct {
     fullscreen: ?Monitor = null,
@@ -42,7 +43,7 @@ fn setHint(hint: c_int, value: anytype) Error!void {
 }
 
 /// Create a window and its associated context.
-pub fn create(width: c_int, height: c_int, title: []const u8,
+pub fn create(width: c_int, height: c_int, title: [:0]const u8,
               options: Options, hints: anytype) Error!Window {
     const Hints = @TypeOf(hints);
     // TODO: Add all supported GLFW window hints:
@@ -125,6 +126,12 @@ pub fn setCursorMode(self: Window, value: CursorMode) Error!void {
     try checkError();
 }
 
+/// Set the size callback.
+pub fn setSizeCallback(self: Window, callback: GLFWwindowsizefun) Error!void {
+    _ = glfwSetWindowSizeCallback(self.pimpl, callback);
+    try checkError();
+}
+
 /// Set the key callback.
 pub fn setKeyCallback(self: Window, callback: GLFWkeyfun) Error!void {
     _ = glfwSetKeyCallback(self.pimpl, callback);