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51 lines
1.8 KiB
Lua
51 lines
1.8 KiB
Lua
ReaderRolling = InputContainer:new{
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key_events = {
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GotoNextView = { {Input.group.PgFwd}, doc = "go to next view", event = "GotoViewRel", args = 1 },
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GotoPrevView = { {Input.group.PgBack}, doc = "go to previous view", event = "GotoViewRel", args = -1 },
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GotoFirst = { {"1"}, doc = "go to start", event = "GotoPercent", args = 0},
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Goto11 = { {"2"}, doc = "go to 11%", event = "GotoPercent", args = 11},
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Goto22 = { {"3"}, doc = "go to 22%", event = "GotoPercent", args = 22},
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Goto33 = { {"4"}, doc = "go to 33%", event = "GotoPercent", args = 33},
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Goto44 = { {"5"}, doc = "go to 44%", event = "GotoPercent", args = 44},
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Goto55 = { {"6"}, doc = "go to 55%", event = "GotoPercent", args = 55},
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Goto66 = { {"7"}, doc = "go to 66%", event = "GotoPercent", args = 66},
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Goto77 = { {"8"}, doc = "go to 77%", event = "GotoPercent", args = 77},
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Goto88 = { {"9"}, doc = "go to 88%", event = "GotoPercent", args = 88},
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GotoLast = { {"0"}, doc = "go to end", event = "GotoPercent", args = 100},
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},
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current_pos = 0,
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length = nil,
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}
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function ReaderRolling:init()
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self.length = self.ui.document.info.length
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end
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function ReaderRolling:onPosUpdate(new_pos)
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self.current_pos = new_pos
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end
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function ReaderRolling:gotoPos(new_pos)
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if new_pos == self.current_pos then return end
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if new_pos < 0 then new_pos = 0 end
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if new_pos > self.length then new_pos = self.length end
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self.ui:handleEvent(Event:new("PosUpdate", new_pos))
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end
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function ReaderRolling:onGotoPercent(percent)
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DEBUG("goto document offset in percent:", percent)
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self:gotoPos(percent * self.length / 10000)
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return true
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end
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function ReaderRolling:onGotoViewRel(diff)
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DEBUG("goto relative screen:", diff)
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self:gotoPos(self.current_pos + diff * self.ui.dimen.h)
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return true
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end
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function ReaderRolling:onZoom()
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--@TODO re-read length info after font or lineheight changes 05.06 2012 (houqp)
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end
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