Still not working, trying to use Gio async stuff

shard.lock

@@ -1,13 +1,13 @@
 # NOTICE: This lockfile contains some overrides from shard.override.yml
 version: 2.0
 shards:
-  gi-crystal:
+  gi-crystal: # Overridden
     git: https://github.com/hugopl/gi-crystal.git
-    version: 0.14.0+git.commit.569f8d4b77effe312c642fc60929000e3e9514e2
+    version: 0.15.0+git.commit.bcf127b37c309a52f4b17566e9663029c16dcbb2
 
   gtk4: # Overridden
     git: https://github.com/hugopl/gtk4.cr.git
-    version: 0.12.0+git.commit.ef2eb03b38b25ea2780e83cf50af3a6807ac6293
+    version: 0.12.0+git.commit.a46b9295a7cffcc4ed2af596276c17196b2948fb
 
   libadwaita:
     git: https://github.com/geopjr/libadwaita.cr.git

shard.override.yml

@@ -2,3 +2,6 @@ dependencies:
   gtk4:
     github: hugopl/gtk4.cr
     branch: master
+  gi-crystal:
+    github: hugopl/gi-crystal
+    branch: master

src/modules/api/location.cr

@@ -1,23 +1,27 @@
 module Wince::Location
   extend self
 
-  @@channel = Channel(Geoclue::Simple).new(1)
   @@client : Geoclue::Simple? = nil
-  @@fiber : Fiber = spawn setup_client
 
   def setup_client
-    @@channel.send Geoclue::Simple.new_sync("space.quietfeathers.Wince", Geoclue::AccuracyLevel::Street, nil)
-    Fiber.yield
+    callback = ->(object : GObject::Object | Nil, result : Gio::AsyncResult) { 
+      @@client = Geoclue::Simple.new_finish(result)
+      puts "location callback"
+    }
+
+    Geoclue::Simple.new(
+      "space.quietfeathers.Wince",
+      Geoclue::AccuracyLevel::Street,
+      nil,
+      callback,
+      nil
+    )
   end
 
   # returns latlon if available, otherwise empty array
   def find_location
-    if !@@fiber.dead?
-      return [] of Float64
-    end
-
     if @@client.nil?
-      @@client = @@channel.receive
+      return [] of Float64
     end
 
     location = @@client.try do |c|

src/wince.cr

@@ -1,6 +1,6 @@
 require "libadwaita"
-require "../lib/libadwaita/lib/gi-crystal/src/auto/geoclue-2.0/*"
-require "../lib/libadwaita/lib/gi-crystal/src/auto/shumate-1.0/*"
+GICrystal.require("Geoclue", "2.0")
+GICrystal.require("Shumate", "1.0")
 
 require "./modules/prerequisites.cr"
 require "./modules/views/main.cr"