From 907230e479ba6c9489463797f81c7348ed754302 Mon Sep 17 00:00:00 2001
From: Kevin <119447307+tokyob0t@users.noreply.github.com>
Date: Thu, 23 Jan 2025 09:34:46 -0300
Subject: add: lua gtk3 examples (#156)

---
 docs/guide/getting-started/supported-languages.md |  9 +++++++++
 docs/guide/lua/binding.md                         | 21 ++++++++++++++++-----
 docs/guide/lua/examples.md                        |  9 +++++++++
 3 files changed, 34 insertions(+), 5 deletions(-)

(limited to 'docs/guide')

diff --git a/docs/guide/getting-started/supported-languages.md b/docs/guide/getting-started/supported-languages.md
index 0dc3f62..c38a001 100644
--- a/docs/guide/getting-started/supported-languages.md
+++ b/docs/guide/getting-started/supported-languages.md
@@ -39,6 +39,15 @@ Examples:
 - [Simple Bar](https://github.com/Aylur/astal/tree/main/examples/gtk3/lua/simple-bar)
 ![simple-bar](https://github.com/user-attachments/assets/a306c864-56b7-44c4-8820-81f424f32b9b)
 
+- [Notification Popups](https://github.com/Aylur/astal/tree/main/examples/lua/notifications)
+![notification-popups](https://github.com/user-attachments/assets/0df0eddc-5c74-4af0-a694-48dc8ec6bb44)
+
+- [Applauncher](https://github.com/Aylur/astal/tree/main/examples/lua/applauncher)
+![launcher](https://github.com/user-attachments/assets/2695e3bb-dff4-478a-b392-279fe638bfd3)
+
+- [Media Player](https://github.com/Aylur/astal/tree/main/examples/lua/media-player)
+![media-player](https://github.com/user-attachments/assets/891e9706-74db-4505-bd83-c3628d7b4fd0)
+
 ## Python
 
 There is a WIP [package for python](https://github.com/aylur/astal/tree/feat/python),
diff --git a/docs/guide/lua/binding.md b/docs/guide/lua/binding.md
index f4d5f0b..f9957b5 100644
--- a/docs/guide/lua/binding.md
+++ b/docs/guide/lua/binding.md
@@ -68,12 +68,13 @@ local Gtk = require("astal.gtk3").Gtk
 local Variable = require("astal.variable")
 
 ---@param initial table
+---@return varmap
 return function(initial)
     local map = initial
-    local var = Variable()
+    local var = Variable.new({})
 
     local function notify()
-        local arr
+        local arr = {}
         for _, value in pairs(map) do
             table.insert(arr, value)
         end
@@ -90,7 +91,13 @@ return function(initial)
 
     notify() -- init
 
-    return {
+    ---@class varmap
+    ---@field set fun(key: any, value: any): nil
+    ---@field delete fun(key: any): nil
+    ---@field get fun(): any
+    ---@field subscribe fun(callback: function): function
+    ---@overload fun(): Binding
+    return setmetatable({
         set = function(key, value)
             delete(key)
             map[key] = value
@@ -106,7 +113,11 @@ return function(initial)
         subscribe = function(callback)
             return var:subscribe(callback)
         end,
-    }
+    }, {
+        __call = function()
+            return var()
+        end,
+    })
 end
 ```
 
@@ -130,7 +141,7 @@ function MappedBox()
                 map.delete(id)
             end)
         end,
-        bind(map):as(function (arr)
+        map():as(function(arr)
             -- can be sorted here
             return arr
         end),
diff --git a/docs/guide/lua/examples.md b/docs/guide/lua/examples.md
index c2dd30c..464f917 100644
--- a/docs/guide/lua/examples.md
+++ b/docs/guide/lua/examples.md
@@ -2,3 +2,12 @@
 
 ## [Simple Bar](https://github.com/Aylur/astal/tree/main/examples/gtk3/lua/simple-bar)
 ![simple-bar](https://github.com/user-attachments/assets/a306c864-56b7-44c4-8820-81f424f32b9b)
+
+### [Notification Popups](https://github.com/Aylur/astal/tree/main/examples/gtk3/lua/notifications)
+![notification-popups](https://github.com/user-attachments/assets/0df0eddc-5c74-4af0-a694-48dc8ec6bb44)
+
+### [Applauncher](https://github.com/Aylur/astal/tree/main/examples/gtk3/lua/applauncher)
+![launcher](https://github.com/user-attachments/assets/2695e3bb-dff4-478a-b392-279fe638bfd3)
+
+### [Media Player](https://github.com/Aylur/astal/tree/main/examples/gtk3/lua/media-player)
+![media-player](https://github.com/user-attachments/assets/891e9706-74db-4505-bd83-c3628d7b4fd0)
-- 
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