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koreader/frontend/ui/reader/readercropping.lua

81 lines
2.2 KiB
Lua

require "ui/bbox"
ReaderCropping = InputContainer:new{}
function ReaderCropping:onPageCrop(mode)
if mode == "auto" then return end
self.orig_reflow_mode = self.document.configurable.text_wrap
self.ui:handleEvent(Event:new("CloseConfig"))
self.cropping_zoommode = true
self.cropping_offset = true
if self.orig_reflow_mode == 1 then
self.document.configurable.text_wrap = 0
-- if we are in reflow mode, then we are already in page
-- mode, just force readerview to recalculate visible_area
self.view:recalculate()
else
self.ui:handleEvent(Event:new("SetZoomMode", "page"))
end
self.cropping_zoommode = false
local ubbox = self.document:getPageBBox(self.current_page)
--DEBUG("used page bbox", ubbox)
self.crop_bbox = BBoxWidget:new{
page_bbox = ubbox,
ui = self.ui,
crop = self,
document = self.document,
pageno = self.current_page,
}
UIManager:show(self.crop_bbox)
return true
end
function ReaderCropping:onExitPageCrop()
self.document.configurable.text_wrap = self.orig_reflow_mode
self.view:recalculate()
-- Exiting should have the same look and feel with entering.
if self.orig_reflow_mode == 1 then
self.document.configurable.text_wrap = 1
self.view:recalculate()
else
self.ui:handleEvent(Event:new("SetZoomMode", self.orig_zoom_mode))
end
UIManager.repaint_all = true
return true
end
function ReaderCropping:onPageUpdate(page_no)
--DEBUG("page updated to", page_no)
self.current_page = page_no
end
function ReaderCropping:onZoomUpdate(zoom)
--DEBUG("zoom updated to", zoom)
self.zoom = zoom
end
function ReaderCropping:onScreenOffsetUpdate(screen_offset)
if self.cropping_offset then
--DEBUG("offset updated to", screen_offset)
self.screen_offset = screen_offset
self.cropping_offset = false
end
end
function ReaderCropping:onSetZoomMode(mode)
if not self.cropping_zoommode then
--DEBUG("backup zoom mode", mode)
self.orig_zoom_mode = mode
end
end
function ReaderCropping:onReadSettings(config)
local bbox = config:readSetting("bbox")
self.document.bbox = bbox
--DEBUG("read document bbox", self.document.bbox)
end
function ReaderCropping:onCloseDocument()
self.ui.doc_settings:saveSetting("bbox", self.document.bbox)
end