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koreader/frontend/apps/reader/modules/readerrotation.lua

37 lines
992 B
Lua

local InputContainer = require("ui/widget/container/inputcontainer")
local Device = require("device")
local Event = require("ui/event")
local _ = require("gettext")
local ReaderRotation = InputContainer:extend{
current_rotation = 0,
}
function ReaderRotation:init()
if Device:hasKeyboard() then
self.key_events = {
-- these will all generate the same event, just with different arguments
RotateLeft = {
{ "J" },
event = "Rotate",
args = -90
},
RotateRight = {
{ "K" },
event = "Rotate",
args = 90
},
}
end
end
--- @todo Reset rotation on new document, maybe on new page?
function ReaderRotation:onRotate(rotate_by)
self.current_rotation = (self.current_rotation + rotate_by) % 360
self.ui:handleEvent(Event:new("RotationUpdate", self.current_rotation))
return true
end
return ReaderRotation