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koreader/frontend/ui/reader/readerfooter.lua

78 lines
2.3 KiB
Lua

local InputContainer = require("ui/widget/container/inputcontainer")
local CenterContainer = require("ui/widget/container/centercontainer")
local RightContainer = require("ui/widget/container/rightcontainer")
local BottomContainer = require("ui/widget/container/bottomcontainer")
local FrameContainer = require("ui/widget/container/framecontainer")
local ProgressWidget = require("ui/widget/progresswidget")
local TextWidget = require("ui/widget/textwidget")
local Screen = require("ui/screen")
local Geom = require("ui/geometry")
local Font = require("ui/font")
local HorizontalGroup = require("ui/widget/horizontalgroup")
local ReaderFooter = InputContainer:new{
pageno = nil,
pages = nil,
progress_percentage = 0.0,
progress_text = "0 / 0",
bar_width = 0.88,
text_width = 0.12,
text_font_face = "ffont",
text_font_size = 14,
height = 19,
}
function ReaderFooter:init()
self.progress_bar = ProgressWidget:new{
width = math.floor(Screen:getWidth()*(self.bar_width-0.02)),
height = 7,
percentage = self.progress_percentage,
}
self.progress_text = TextWidget:new{
text = self.progress_text,
face = Font:getFace(self.text_font_face, self.text_font_size),
}
local _, text_height = self.progress_text:getSize()
local horizontal_group = HorizontalGroup:new{}
local bar_container = RightContainer:new{
dimen = Geom:new{w = Screen:getWidth()*self.bar_width, h = self.height},
self.progress_bar,
}
local text_container = CenterContainer:new{
dimen = Geom:new{w = Screen:getWidth()*self.text_width, h = self.height},
self.progress_text,
}
table.insert(horizontal_group, bar_container)
table.insert(horizontal_group, text_container)
self[1] = BottomContainer:new{
dimen = Screen:getSize(),
FrameContainer:new{
horizontal_group,
background = 0,
bordersize = 0,
padding = 0,
}
}
self.dimen = self[1]:getSize()
self.pageno = self.view.state.page
self.pages = self.view.document.info.number_of_pages
self:updateFooter()
end
function ReaderFooter:paintTo(bb, x, y)
self[1]:paintTo(bb, x, y)
end
function ReaderFooter:updateFooter()
self.progress_bar.percentage = self.pageno / self.pages
self.progress_text.text = string.format("%d / %d", self.pageno, self.pages)
end
function ReaderFooter:onPageUpdate(pageno)
self.pageno = pageno
self.pages = self.view.document.info.number_of_pages
self:updateFooter()
end
return ReaderFooter