2
0
mirror of https://github.com/koreader/koreader synced 2024-10-31 21:20:20 +00:00
koreader/frontend/ui/widget/notification.lua
Hans-Werner Hilse 94ce08937a clean up refreshes
This is a larger clean-up of the refresh situation.
The general shift is that refreshes are now mainly triggered by
the (top-level) widgets when they get shown or closed via UIManager.

All refreshes for the widgets when they are in use were handled by
themselves before. This adds the case of showing/closing.

It is the desired result of not having UIManager:show()/:close()
do (full screen) refreshes on its own.
2014-12-01 16:03:40 +00:00

83 lines
2.4 KiB
Lua

local InputContainer = require("ui/widget/container/inputcontainer")
local FrameContainer = require("ui/widget/container/framecontainer")
local CenterContainer = require("ui/widget/container/centercontainer")
local TextWidget = require("ui/widget/textwidget")
local Font = require("ui/font")
local Geom = require("ui/geometry")
local Device = require("device")
local UIManager = require("ui/uimanager")
local HorizontalGroup = require("ui/widget/horizontalgroup")
local Input = require("device").input
local Screen = require("device").screen
local Blitbuffer = require("ffi/blitbuffer")
--[[
Widget that displays a tiny notification on top of screen
--]]
local Notification = InputContainer:new{
face = Font:getFace("infofont", 20),
text = "Null Message",
timeout = nil,
margin = 5,
padding = 5,
}
function Notification:init()
if Device:hasKeys() then
self.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
local text_widget = TextWidget:new{
text = self.text,
face = self.face
}
local widget_size = text_widget:getSize()
self[1] = CenterContainer:new{
dimen = Geom:new{
w = Screen:getWidth(),
h = Screen:getHeight()/10,
},
FrameContainer:new{
background = Blitbuffer.COLOR_WHITE,
radius = 0,
margin = self.margin,
padding = self.padding,
CenterContainer:new{
dimen = Geom:new{
w = widget_size.w,
h = widget_size.h
},
text_widget,
}
}
}
end
function Notification:onCloseWidget()
UIManager:setDirty(nil, function()
return "partial", self[1][1].dimen
end)
return true
end
function Notification:onShow()
-- triggered by the UIManager after we got successfully shown (not yet painted)
UIManager:setDirty(self, function()
return "partial", self[1][1].dimen
end)
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
return Notification