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local astal = require("astal")
local Widget = require("astal.gtk3.widget")
local App = require("astal.gtk3.app")
local Gdk = require("astal.gtk3").Gdk
local Gtk = require("astal.gtk3").Gtk
local astalify = require("astal.gtk3").astalify
local Apps = astal.require("AstalApps")
local Variable = astal.Variable
local lib = require("lib")
local MAX_ENTRIES = 20
local FlowBox = astalify(Gtk.FlowBox)
local FlowBoxChild = astalify(Gtk.FlowBoxChild)
local apps = Apps.Apps()
local text = Variable("")
local list = text(function(text)
return lib.slice(apps:exact_query(text), 0, MAX_ENTRIES)
end)
function on_show()
text:set("")
end
function close()
App:quit()
end
function on_key_press(self, event)
if event.keyval == Gdk.KEY_Escape then
close()
end
end
function on_enter()
local found = apps:exact_query(text:get())[1]
if found then
found:launch()
close()
end
end
function Application(app)
return FlowBoxChild({
Widget.Button({
class_name = "app",
on_clicked = function()
app:launch()
close()
end,
Widget.Box({
halign = "CENTER",
valign = "CENTER",
vertical = true,
Widget.Icon({
icon = app.icon_name,
}),
Widget.Label({
class_name = "name",
label = app.name,
valign = "CENTER",
ellipsize = "END",
max_width_chars = 20,
}),
}),
}),
})
end
function Applications(apps)
return FlowBox({
hexpand = true,
homogeneous = true,
class_name = "apps",
lib.map(apps, Application)
})
end
function Launcher()
return Widget.Box({
vertical = true,
Widget.Entry({
class_name = "search",
placeholder_text = "Search",
halign = "CENTER",
text = text(),
on_changed = function(self)
text:set(self.text)
end,
on_activate = on_enter,
}),
Widget.Box({
class_name = "apps",
list:as(Applications),
}),
})
end
return function()
local Anchor = astal.require('Astal').WindowAnchor
return Widget.Window({
class_name = "launcher",
anchor = Anchor.TOP + Anchor.BOTTOM + Anchor.LEFT + Anchor.RIGHT,
exclusivity = "EXCLUSIVE",
keymode = "ON_DEMAND",
application = App,
on_show = on_show,
on_key_press_event = on_key_press,
Launcher(),
})
end
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