mirror of
https://github.com/koreader/koreader
synced 2024-10-31 21:20:20 +00:00
98 lines
3.2 KiB
Lua
98 lines
3.2 KiB
Lua
local HorizontalGroup = require("ui/widget/horizontalgroup")
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local VerticalGroup = require("ui/widget/verticalgroup")
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local VerticalSpan = require("ui/widget/verticalspan")
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local FocusManager = require("ui/widget/focusmanager")
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local LineWidget = require("ui/widget/linewidget")
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local Blitbuffer = require("ffi/blitbuffer")
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local Button = require("ui/widget/button")
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local Geom = require("ui/geometry")
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local Device = require("device")
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local Screen = Device.screen
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local ButtonTable = FocusManager:new{
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width = Screen:getWidth(),
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buttons = {
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{
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{text="OK", enabled=true, callback=nil},
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{text="Cancel", enabled=false, callback=nil},
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},
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},
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sep_width = Screen:scaleBySize(1),
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padding = Screen:scaleBySize(2),
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zero_sep = false,
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button_font_face = "cfont",
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button_font_size = 20,
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}
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function ButtonTable:init()
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self.container = VerticalGroup:new{ width = self.width }
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table.insert(self, self.container)
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if self.zero_sep then
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self:addHorizontalSep()
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end
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for i = 1, #self.buttons do
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local horizontal_group = HorizontalGroup:new{}
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local line = self.buttons[i]
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local sizer_space = self.sep_width * (#line - 1) + 2
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for j = 1, #line do
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local button = Button:new{
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text = line[j].text,
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enabled = line[j].enabled,
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callback = line[j].callback,
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width = (self.width - sizer_space)/#line,
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bordersize = 0,
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margin = 0,
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padding = 0,
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text_font_face = self.button_font_face,
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text_font_size = self.button_font_size,
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show_parent = self.show_parent,
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}
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local button_dim = button:getSize()
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local vertical_sep = LineWidget:new{
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background = Blitbuffer.gray(0.5),
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dimen = Geom:new{
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w = self.sep_width,
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h = button_dim.h,
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}
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}
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self.buttons[i][j] = button
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table.insert(horizontal_group, button)
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if j < #line then
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table.insert(horizontal_group, vertical_sep)
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end
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end -- end for each button
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table.insert(self.container, horizontal_group)
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if i < #self.buttons then
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self:addHorizontalSep()
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end
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end -- end for each button line
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if Device:hasDPad() then
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self.layout = self.buttons
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self.layout[1][1]:onFocus()
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self.key_events.SelectByKeyPress = { {{"Press", "Enter"}} }
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else
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self.key_events = {} -- deregister all key press event listeners
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end
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end
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function ButtonTable:addHorizontalSep()
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table.insert(self.container,
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VerticalSpan:new{ width = Screen:scaleBySize(2) })
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table.insert(self.container, LineWidget:new{
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background = Blitbuffer.gray(0.5),
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dimen = Geom:new{
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w = self.width,
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h = self.sep_width,
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}
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})
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table.insert(self.container,
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VerticalSpan:new{ width = Screen:scaleBySize(2) })
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end
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function ButtonTable:onSelectByKeyPress()
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self:getFocusItem().callback()
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end
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return ButtonTable
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