From f11ff2f2ea4bd8ad65aa8a4fbae6f4c083117672 Mon Sep 17 00:00:00 2001
From: Freya Murphy <freya@freyacat.org>
Date: Wed, 18 Jun 2025 11:34:06 -0400
Subject: add notifications to astal

---
 pkgs/astal/src/widget/deck/notifications.lua | 136 +++++++++++++++++++++++++++
 1 file changed, 136 insertions(+)
 create mode 100644 pkgs/astal/src/widget/deck/notifications.lua

(limited to 'pkgs/astal/src/widget/deck/notifications.lua')

diff --git a/pkgs/astal/src/widget/deck/notifications.lua b/pkgs/astal/src/widget/deck/notifications.lua
new file mode 100644
index 0000000..e40a815
--- /dev/null
+++ b/pkgs/astal/src/widget/deck/notifications.lua
@@ -0,0 +1,136 @@
+local astal = require("astal")
+local Widget = require("astal.gtk3").Widget
+local Gtk = require("astal.gtk3").Gtk
+local Variable = require("astal").Variable
+local Notifd = astal.require("AstalNotifd")
+local lib = require("lib")
+local bind = astal.bind
+local timeout = astal.timeout
+
+local TIMEOUT_DELAY = 5000
+
+local notifd = Notifd.get_default()
+local notifs = Variable({})
+local map = {}
+
+function update()
+	local arr = {}
+	for id,_ in pairs(map) do
+		table.insert(arr, id)
+	end
+	notifs:set(arr)
+end
+
+function set(_, id)
+	map[id] = true
+	update()
+end
+
+function delete(id)
+	map[id] = nil
+	update()
+end
+
+notifd.on_notified = set
+
+function Header(notif)
+	local show_icon = lib.is_true(notif.app_icon) or
+		lib.is_true(notif.desktop_entry)
+
+	return Widget.Box({
+		class_name = "header",
+		show_icon and Widget.Icon({
+			class_name = "app-icon",
+			icon = notif.app_icon or notif.desktop_entry,
+		}),
+		Widget.Label({
+			class_name = "app-name",
+			halign = "START",
+			ellipsize = "END",
+			label = notif.app_name or "",
+		}),
+		Widget.Label({
+			class_name = "time",
+			hexpand = true,
+			halign = "END",
+			label = lib.time(notif.time),
+		}),
+		Widget.Button({
+			on_clicked = function() delete(notif.id) end,
+			Widget.Icon({ icon = "window-close-symbolic" }),
+		}),
+	})
+end
+
+function Content(notif)
+	return Widget.Box({
+		class_name = "content",
+		(notif.image and lib.file_exists(notif.image)) and Widget.Box({
+			valign = "START",
+			class_name = "image",
+			css = string.format("background-image: url('%s')", notif.image),
+		}),
+		(notif.image and lib.is_icon(notif.image)) and Widget.Box({
+			valign = "START",
+			class_name = "icon-image",
+			Widget.Icon({
+				icon = notif.image,
+				hexpand = true,
+				vexpand = true,
+				halign = "CENTER",
+				valign = "CENTER",
+			}),
+		}),
+		Widget.Box({
+			vertical = true,
+			Widget.Label({
+				class_name = "summary",
+				halign = "START",
+				xalign = 0,
+				ellipsize = "END",
+				label = notif.summary,
+			}),
+			Widget.Label({
+				class_name = "body",
+				wrap = true,
+				use_markup = true,
+				halign = "START",
+				xalign = 0,
+				justify = "FILL",
+				label = notif.body,
+			}),
+		}),
+	})
+end
+
+function Notification(id)
+	local notif = notifd:get_notification(id)
+
+	local function destroy()
+		delete(id)
+	end
+
+	local function setup()
+		timeout(TIMEOUT_DELAY, destroy)
+	end
+
+	return Widget.EventBox({
+		class_name = "notification",
+		setup = setup,
+		on_hover_lost = destroy,
+		Widget.Box({
+			vertical = true,
+			Header(notif),
+			Gtk.Separator({ visible = true }),
+			Content(notif),
+		}),
+	})
+end
+
+function Notifications(ids)
+	return lib.map(ids, Notification)
+end
+
+return function()
+	return bind(notifs):as(Notifications)
+end
-- 
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