mirror of
https://github.com/koreader/koreader
synced 2024-11-20 03:25:34 +00:00
56 lines
1.2 KiB
Lua
56 lines
1.2 KiB
Lua
require "ui/ui"
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require "ui/widget"
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--[[
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Widget that displays an informational message
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it vanishes on key press or after a given timeout
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]]
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InfoMessage = InputContainer:new{
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face = Font:getFace("infofont", 25),
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text = "",
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timeout = nil, -- in seconds
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}
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function InfoMessage:init()
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if Device:hasKeyboard() then
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key_events = {
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AnyKeyPressed = { { Input.group.Any }, seqtext = "any key", doc = "close dialog" }
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}
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end
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-- we construct the actual content here because self.text is only available now
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self[1] = CenterContainer:new{
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dimen = Screen:getSize(),
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FrameContainer:new{
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margin = 2,
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background = 0,
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HorizontalGroup:new{
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align = "center",
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ImageWidget:new{
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file = "resources/info-i.png"
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},
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HorizontalSpan:new{ width = 10 },
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TextBoxWidget:new{
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text = self.text,
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face = Font:getFace("cfont", 30)
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}
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}
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}
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}
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end
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function InfoMessage:onShow()
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-- triggered by the UIManager after we got successfully shown (not yet painted)
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if self.timeout then
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UIManager:scheduleIn(self.timeout, function() UIManager:close(self) end)
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end
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return true
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end
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function InfoMessage:onAnyKeyPressed()
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-- triggered by our defined key events
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UIManager:close(self)
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return true
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end
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