Very crude initial support for starting app from launcher

lib/application_helper.rb

@@ -0,0 +1,34 @@
+module W3DHubLauncher
+  class ApplicationHelper
+    def self.wine_command(app)
+      # FIXME: account for the cursed whitespace and wrap in quotes
+      format("%s ", MemCache[:settings]&.preferences&.wine_command || "wine")
+    end
+    def self.wine_prefix(app)
+      # TODO: fallback from app specific prefix to launcher prefix to global prefix
+      # format("%s ", app&.wine_prefix_path || MemCache[:settings]&.preferences&.wine_prefix_path || "")
+
+      ""
+    end
+
+    def self.run(app, *args)
+      exe_path = app.id == "ecw" ? format("%s/game500.exe", app.installation_path) : format("%s/game.exe", app.installation_path)
+
+      env = {}
+      unless wine_prefix(app).to_s.empty?
+        env["WINEPREFIX"] = wine_prefix(app).to_s
+      end
+      env["DXVK_HUD"] = "full"
+
+      pid = Process.spawn(
+        env,
+        "#{wine_command(app)}#{exe_path} -launcher #{args.join(' ')}"
+      )
+      Process.detach(pid)
+    end
+
+    def self.join_server(app, server, password: nil, token: nil)
+
+    end
+  end
+end

lib/pages/games.rb

@@ -156,8 +156,7 @@ module W3DHubLauncher
       end
 
       def populate_game_info
-        # FIXME: We should be able to query an api to figure out the installation state, instead of explictly writing it out like this...
-        application = MemCache[:settings].applications.find { |app| app.id == @current_app.id && app.channel == @current_channel&.id }
+        application = MemCache[:settings].application_installed?(@current_app, @current_channel)
         # pp application
 
         @game_info_container.clear do
@@ -187,7 +186,9 @@ module W3DHubLauncher
           flow(width: 1.0, height: 60) do
             if application
               button "JOIN", tip: "Join most populated or lowest ping server", fill: true, height: 1.0, background_nine_slice: NINE_SLICE_ROUNDED_LEFT, **CTA_BUTTON_THEME
-              button safe_get_image("#{ROOT_PATH}/media/icons/singleplayer.png"), tip: "Single player", image_height: 1.0, background_nine_slice: NINE_SLICE_SQUARE, **CTA_BUTTON_THEME
+              button safe_get_image("#{ROOT_PATH}/media/icons/singleplayer.png"), tip: "Single player", image_height: 1.0, background_nine_slice: NINE_SLICE_SQUARE, **CTA_BUTTON_THEME do
+                ApplicationHelper.run(application)
+              end
               button safe_get_image("#{ROOT_PATH}/media/icons/gear.png"), tip: "Options", image_height: 1.0, background_nine_slice: NINE_SLICE_ROUNDED_RIGHT, **CTA_BUTTON_THEME do |btn|
                 menu(parent: btn) do
                   menu_item("Game Settings")

lib/worker/api/settings.rb

@@ -34,6 +34,10 @@ module W3DHubLauncher
           }.to_json(options)
         end
 
+        def application_installed?(application, channel)
+          applications.find { |app| app.id == application&.id && app.channel == channel&.id }
+        end
+
         # User explictly set options
         class Preferences
           SCHEMA = 0