Files
koreader/frontend/ui/reader/readerpanning.lua
HW 60ccd7441e fixed menu info displaying, replaced debug() by DEBUG()
the replacement of debug() was necessary to be able to access the lua library "debug" (for backtraces etc.)
2012-05-28 18:59:16 +02:00

32 lines
961 B
Lua

ReaderPanning = InputContainer:new{
key_events = {
-- these will all generate the same event, just with different arguments
MoveUp = { {"Up"}, doc = "move focus up", event = "Panning", args = {0, -1} },
MoveDown = { {"Down"}, doc = "move focus down", event = "Panning", args = {0, 1} },
MoveLeft = { {"Left"}, doc = "move focus left", event = "Panning", args = {-1, 0} },
MoveRight = { {"Right"}, doc = "move focus right", event = "Panning", args = {1, 0} },
},
-- defaults
panning_steps = {
normal = 50,
alt = 25,
shift = 10,
altshift = 5
},
}
function ReaderPanning:onSetDimensions(dimensions)
self.dimen = dimensions
end
function ReaderPanning:onPanning(args, key)
local dx, dy = unpack(args)
DEBUG("key =", key)
-- for now, bounds checking/calculation is done in the view
self.view:PanningUpdate(
dx * self.panning_steps.normal * self.dimen.w / 100,
dy * self.panning_steps.normal * self.dimen.h / 100)
return true
end