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