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@ -42,14 +42,32 @@ ReaderZooming = InputContainer:new{
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},
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},
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zoom = 1.0,
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zoom_mode = "free",
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-- default to nil so we can trigger ZoomModeUpdate events on start up
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zoom_mode = nil,
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DEFAULT_ZOOM_MODE = "page",
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current_page = 1,
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rotation = 0
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}
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function ReaderZooming:onReadSettings(config)
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-- @TODO config file from old code base uses globalzoom_mode
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-- instead of zoom_mode, we need to handle this imcompatibility
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-- 04.12 2012 (houqp)
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local zoom_mode = config:readSetting("zoom_mode")
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if not zoom_mode then
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zoom_mode = self.DEFAULT_ZOOM_MODE
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end
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self:onSetZoomMode(zoom_mode)
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end
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function ReaderZooming:onCloseDocument()
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self.ui.doc_settings:saveSetting("zoom_mode", self.zoom_mode)
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end
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function ReaderZooming:onSetDimensions(dimensions)
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-- we were resized
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self.dimen = dimensions
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self:setZoom()
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end
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function ReaderZooming:onRotationUpdate(rotation)
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@ -57,11 +75,42 @@ function ReaderZooming:onRotationUpdate(rotation)
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self:setZoom()
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end
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function ReaderZooming:onZoom(direction)
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DEBUG("zoom", direction)
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if direction == "in" then
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self.zoom = self.zoom * 1.333333
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elseif direction == "out" then
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self.zoom = self.zoom * 0.75
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end
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DEBUG("zoom is now at", self.zoom)
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self:onSetZoomMode("free")
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self.view:onZoomUpdate(self.zoom)
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return true
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end
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function ReaderZooming:onSetZoomMode(new_mode)
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if self.zoom_mode ~= new_mode then
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DEBUG("setting zoom mode to", new_mode)
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self.zoom_mode = new_mode
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self:setZoom()
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self.ui:handleEvent(Event:new("ZoomModeUpdate", new_mode))
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end
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return true
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end
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function ReaderZooming:onPageUpdate(new_page_no)
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self.current_page = new_page_no
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self:setZoom()
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end
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function ReaderZooming:setZoom()
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-- nothing to do in free zoom mode
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if self.zoom_mode == "free" then
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return
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end
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if not self.dimen then
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self.dimen = self.ui.dimen
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end
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-- check if we're in bbox mode and work on bbox if that's the case
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local page_size = {}
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if self.zoom_mode == "content"
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@ -98,30 +147,4 @@ function ReaderZooming:setZoom()
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self.view:onZoomUpdate(self.zoom)
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end
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function ReaderZooming:onZoom(direction)
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DEBUG("zoom", direction)
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if direction == "in" then
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self.zoom = self.zoom * 1.333333
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elseif direction == "out" then
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self.zoom = self.zoom * 0.75
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end
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DEBUG("zoom is now at", self.zoom)
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self:onSetZoomMode("free")
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self.view:onZoomUpdate(self.zoom)
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return true
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end
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function ReaderZooming:onSetZoomMode(new_mode)
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if self.zoom_mode ~= new_mode then
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DEBUG("setting zoom mode to", new_mode)
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self.zoom_mode = new_mode
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self:setZoom()
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self.ui:handleEvent(Event:new("ZoomModeUpdate", new_mode))
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end
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return true
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end
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function ReaderZooming:onPageUpdate(new_page_no)
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self.current_page = new_page_no
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self:setZoom()
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end
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