notifications lua example

1 files changed, 52 insertions, 0 deletions

diff --git a/examples/lua/notification-popups/lib.lua b/examples/lua/notification-popups/lib.lua
new file mode 100644
index 0000000..2ae71a9
--- /dev/null
+++ b/examples/lua/notification-popups/lib.lua
@@ -0,0 +1,52 @@
+local Variable = require("astal").Variable
+local astal = require("astal")
+local Gtk = astal.Gtk
+
+local M = {}
+
+function M.src(path)
+	local str = debug.getinfo(2, "S").source:sub(2)
+	local src = str:match("(.*/)") or str:match("(.*\\)") or "./"
+	return src .. path
+end
+
+---@generic T, R
+---@param arr T[]
+---@param func fun(T, integer): R
+---@return R[]
+function M.map(arr, func)
+	local new_arr = {}
+	for i, v in ipairs(arr) do
+		new_arr[i] = func(v, i)
+	end
+	return new_arr
+end
+
+---@param name string
+---@param size? 16 | 32 | 64 | 128 | 256 | 512 | number
+function M.lookup_icon(name, size)
+	if not name or #name == 0 then
+		return
+	end
+	size = size or 256
+
+	local theme = Gtk.IconTheme.get_default()
+	local icon_info, path
+
+	for _, n in ipairs({
+		name,
+		string.lower(name),
+		string.upper(name),
+	}) do
+		icon_info = theme:lookup_icon(n, size, "USE_BUILTIN")
+
+		if icon_info then
+			return icon_info
+		end
+	end
+	return false
+end
+
+M.date = Variable(""):poll(1000, "date")
+
+return M