1 files changed, 96 insertions, 0 deletions
diff --git a/lang/lua/astal/gtk3/app.lua b/lang/lua/astal/gtk3/app.lua
new file mode 100644
index 0000000..7895f69
--- /dev/null
+++ b/lang/lua/astal/gtk3/app.lua
@@ -0,0 +1,96 @@
+local lgi = require("lgi")
+local Astal = lgi.require("Astal", "3.0")
+local AstalIO = lgi.require("AstalIO", "0.1")
+
+local AstalLua = Astal.Application:derive("AstalLua")
+local request_handler
+
+function AstalLua:do_request(msg, conn)
+    if type(request_handler) == "function" then
+        request_handler(msg, function(response)
+            AstalIO.write_sock(conn, tostring(response), function(_, res)
+                AstalIO.write_sock_finish(res)
+            end)
+        end)
+    else
+        Astal.Application.do_request(self, msg, conn)
+    end
+end
+
+function AstalLua:quit(code)
+    Astal.Application.quit(self)
+    os.exit(code)
+end
+
+local app = AstalLua()
+
+---@class StartConfig
+---@field icons? string
+---@field instance_name? string
+---@field gtk_theme? string
+---@field icon_theme? string
+---@field cursor_theme? string
+---@field css? string
+---@field hold? boolean
+---@field request_handler? fun(msg: string, response: fun(res: any))
+---@field main? fun(...): unknown
+---@field client? fun(message: fun(msg: string): string, ...): unknown
+
+---@param config StartConfig | nil
+function Astal.Application:start(config)
+    if config == nil then
+        config = {}
+    end
+
+    if config.client == nil then
+        config.client = function()
+            print('Astal instance "' .. app.instance_name .. '" is already running')
+            os.exit(1)
+        end
+    end
+
+    if config.hold == nil then
+        config.hold = true
+    end
+
+    request_handler = config.request_handler
+
+    if config.css then
+        self:apply_css(config.css)
+    end
+    if config.icons then
+        self:add_icons(config.icons)
+    end
+    if config.instance_name then
+        self.instance_name = config.instance_name
+    end
+    if config.gtk_theme then
+        self.gtk_theme = config.gtk_theme
+    end
+    if config.icon_theme then
+        self.icon_theme = config.icon_theme
+    end
+    if config.cursor_theme then
+        self.cursor_theme = config.cursor_theme
+    end
+
+    app.on_activate = function()
+        if type(config.main) == "function" then
+            config.main(table.unpack(arg))
+        end
+        if config.hold then
+            self:hold()
+        end
+    end
+
+    local _, err = app:acquire_socket()
+    if err ~= nil then
+        return config.client(function(msg)
+            return AstalIO.send_message(self.instance_name, msg)
+        end, table.unpack(arg))
+    end
+
+    self:run(nil)
+end
+
+return app