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[UX] Dict: scroll back with tap: go to bottom of prev definition (#3647)

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poire-z
2018-01-31 09:16:34 +01:00
committed by Frans de Jonge
parent 827ca20075
commit b0f0e839fb
4 changed files with 46 additions and 1 deletions
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17
frontend/ui/widget/scrollhtmlwidget.lua
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@@ -11,7 +11,7 @@ local HorizontalSpan = require("ui/widget/horizontalspan")
local InputContainer = require("ui/widget/container/inputcontainer")
local UIManager = require("ui/uimanager")
local VerticalScrollBar = require("ui/widget/verticalscrollbar")
local Math = require("optmath")
local Input = Device.input
local Screen = Device.screen
@@ -82,6 +82,21 @@ function ScrollHtmlWidget:init()
end
end
function ScrollHtmlWidget:scrollToRatio(ratio)
ratio = math.max(0, math.min(1, ratio)) -- ensure ratio is between 0 and 1 (100%)
local page_num = 1 + Math.round((self.htmlbox_widget.page_count - 1) * ratio)
if page_num == self.htmlbox_widget.page_number then
return
end
self.htmlbox_widget.page_number = page_num
self.v_scroll_bar:set((page_num-1) / self.htmlbox_widget.page_count, page_num / self.htmlbox_widget.page_count)
self.htmlbox_widget:freeBb()
self.htmlbox_widget:_render()
UIManager:setDirty(self.dialog, function()
return "partial", self.dimen
end)
end
function ScrollHtmlWidget:scrollText(direction)
if direction == 0 then
return