diff --git a/src/au/Bus.zig b/src/au/Bus.zig
index 5bd55c3..a996dc4 100644
--- a/src/au/Bus.zig
+++ b/src/au/Bus.zig
@@ -141,6 +141,7 @@ fn onWindowPos(handle: ?*c.GLFWwindow, x: c_int, y: c_int) callconv(.C) void {
         },
     }) catch unreachable; // todo circular queue; warn
 }
+
 fn onWindowSize(handle: ?*c.GLFWwindow, x: c_int, y: c_int) callconv(.C) void {
     const bus = getBus(handle);
     bus.events.append(bus.alloc, .{
@@ -150,18 +151,21 @@ fn onWindowSize(handle: ?*c.GLFWwindow, x: c_int, y: c_int) callconv(.C) void {
         },
     }) catch unreachable; // todo circular queue; warn
 }
+
 fn onWindowClose(handle: ?*c.GLFWwindow) callconv(.C) void {
     const bus = getBus(handle);
     bus.events.append(bus.alloc, .{
         .windowClose = .{},
     }) catch unreachable; // todo circular queue; warn
 }
+
 fn onWindowRefresh(handle: ?*c.GLFWwindow) callconv(.C) void {
     const bus = getBus(handle);
     bus.events.append(bus.alloc, .{
         .windowRefresh = .{},
     }) catch unreachable; // todo circular queue; warn
 }
+
 fn onWindowFocus(handle: ?*c.GLFWwindow, focused: c_int) callconv(.C) void {
     const bus = getBus(handle);
     bus.events.append(bus.alloc, .{
@@ -170,6 +174,7 @@ fn onWindowFocus(handle: ?*c.GLFWwindow, focused: c_int) callconv(.C) void {
         },
     }) catch unreachable; // todo circular queue; warn
 }
+
 fn onWindowIconify(handle: ?*c.GLFWwindow, iconified: c_int) callconv(.C) void {
     const bus = getBus(handle);
     bus.events.append(bus.alloc, .{
@@ -178,6 +183,7 @@ fn onWindowIconify(handle: ?*c.GLFWwindow, iconified: c_int) callconv(.C) void {
         },
     }) catch unreachable; // todo circular queue; warn
 }
+
 fn onWindowMaximize(handle: ?*c.GLFWwindow, maximized: c_int) callconv(.C) void {
     const bus = getBus(handle);
     bus.events.append(bus.alloc, .{
@@ -186,6 +192,7 @@ fn onWindowMaximize(handle: ?*c.GLFWwindow, maximized: c_int) callconv(.C) void
         },
     }) catch unreachable; // todo circular queue; warn
 }
+
 fn onFramebufferSize(handle: ?*c.GLFWwindow, x: c_int, y: c_int) callconv(.C) void {
     const bus = getBus(handle);
     bus.events.append(bus.alloc, .{
@@ -195,6 +202,7 @@ fn onFramebufferSize(handle: ?*c.GLFWwindow, x: c_int, y: c_int) callconv(.C) vo
         },
     }) catch unreachable; // todo circular queue; warn
 }
+
 fn onWindowContentScale(handle: ?*c.GLFWwindow, x: f32, y: f32) callconv(.C) void {
     const bus = getBus(handle);
     bus.events.append(bus.alloc, .{
@@ -204,6 +212,7 @@ fn onWindowContentScale(handle: ?*c.GLFWwindow, x: f32, y: f32) callconv(.C) voi
         },
     }) catch unreachable; // todo circular queue; warn
 }
+
 fn onMouseButton(handle: ?*c.GLFWwindow, button: c_int, action: c_int, mods: c_int) callconv(.C) void {
     const bus = getBus(handle);
     bus.events.append(bus.alloc, .{
@@ -214,6 +223,7 @@ fn onMouseButton(handle: ?*c.GLFWwindow, button: c_int, action: c_int, mods: c_i
         },
     }) catch unreachable; // todo circular queue; warn
 }
+
 fn onCursorPos(handle: ?*c.GLFWwindow, x: f64, y: f64) callconv(.C) void {
     const bus = getBus(handle);
     bus.events.append(bus.alloc, .{
@@ -223,6 +233,7 @@ fn onCursorPos(handle: ?*c.GLFWwindow, x: f64, y: f64) callconv(.C) void {
         },
     }) catch unreachable; // todo circular queue; warn
 }
+
 fn onCursorEnter(handle: ?*c.GLFWwindow, entered: c_int) callconv(.C) void {
     const bus = getBus(handle);
     bus.events.append(bus.alloc, .{
@@ -231,6 +242,7 @@ fn onCursorEnter(handle: ?*c.GLFWwindow, entered: c_int) callconv(.C) void {
         },
     }) catch unreachable; // todo circular queue; warn
 }
+
 fn onScroll(handle: ?*c.GLFWwindow, dx: f64, dy: f64) callconv(.C) void {
     const bus = getBus(handle);
     bus.events.append(bus.alloc, .{
@@ -240,6 +252,7 @@ fn onScroll(handle: ?*c.GLFWwindow, dx: f64, dy: f64) callconv(.C) void {
         },
     }) catch unreachable; // todo circular queue; warn
 }
+
 fn onKey(handle: ?*c.GLFWwindow, key: c_int, scan: c_int, action: c_int, mods: c_int) callconv(.C) void {
     const bus = getBus(handle);
     bus.events.append(bus.alloc, .{
@@ -251,6 +264,7 @@ fn onKey(handle: ?*c.GLFWwindow, key: c_int, scan: c_int, action: c_int, mods: c
         },
     }) catch unreachable; // todo circular queue; warn
 }
+
 fn onCharMods(handle: ?*c.GLFWwindow, code: c_uint, mods: c_int) callconv(.C) void {
     const bus = getBus(handle);
     bus.events.append(bus.alloc, .{
@@ -260,6 +274,7 @@ fn onCharMods(handle: ?*c.GLFWwindow, code: c_uint, mods: c_int) callconv(.C) vo
         },
     }) catch unreachable; // todo circular queue; warn
 }
+
 fn onDrop(handle: ?*c.GLFWwindow, count: c_int, paths: [*c][*c]const u8) callconv(.C) void {
     const bus = getBus(handle);