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koreader/frontend/ui/notification.lua

54 lines
1.1 KiB
Lua

require "ui/ui"
require "ui/widget"
--[[
Widget that displays a tiny notification on top of screen
--]]
Notification = InputContainer:new{
face = Font:getFace("infofont", 20),
text = "Null Message",
timeout = nil,
}
function Notification:init()
if Device:hasKeyboard() then
key_events = {
AnyKeyPressed = { { Input.group.Any }, seqtext = "any key", doc = "close dialog" }
}
end
-- we construct the actual content here because self.text is only available now
self[1] = CenterContainer:new{
dimen = Geom:new{
w = Screen:getWidth(),
h = Screen:getHeight()/10,
},
ignore = "height",
FrameContainer:new{
background = 0,
radius = 0,
HorizontalGroup:new{
align = "center",
TextBoxWidget:new{
text = self.text,
face = self.face,
}
}
}
}
end
function Notification:onShow()
-- triggered by the UIManager after we got successfully shown (not yet painted)
if self.timeout then
UIManager:scheduleIn(self.timeout, function() UIManager:close(self) end)
end
return true
end
function Notification:onAnyKeyPressed()
-- triggered by our defined key events
UIManager:close(self)
return true
end