2-direct-color-access-for-highlight.lua

local UIManager = require("ui/uimanager")
local ReaderHighlight = require("apps/reader/modules/readerhighlight")
local _ = require("gettext")
local util = require("util")
local ButtonDialog = require("ui/widget/buttondialog")
local BD = require("ui/bidi")
local C_ = _.pgettext

ReaderHighlight.onShowHighlightDialog = function(self, index)
    local item = self.ui.annotation.annotations[index]
    local buttons = {
        {
            {
                text = _("Delete"),
                callback = function()
                    self:deleteHighlight(index)
                    UIManager:close(self.edit_highlight_dialog)
                    self.edit_highlight_dialog = nil
                end,
            },
            {
                 text = C_("Highlight", "Style"),
                 callback = function()
                     self:editHighlightStyle(index)
                    UIManager:close(self.edit_highlight_dialog)
                     self.edit_highlight_dialog = nil
                 end,
             },
            {

                text = _("Color"),
                callback = function ()
                  self:editHighlightColor(index)
                  UIManager:close(self.edit_highlight_dialog)
                  self.edit_highlight_dialog = nil
                end
           },
            {
                text = item.note and _("Edit note") or _("Add note"),
                callback = function()
                    self:editHighlight(index)
                    UIManager:close(self.edit_highlight_dialog)
                    self.edit_highlight_dialog = nil
                end,
            },
            {
                text = "…",
                callback = function()
                    self.selected_text = util.tableDeepCopy(item)
                    self:onShowHighlightMenu(index)
                    UIManager:close(self.edit_highlight_dialog)
                    self.edit_highlight_dialog = nil
                end,
            },
        },
    }
    if self.ui.rolling then
        local enabled = not item.text_edited
        local start_prev = "◁▒▒"
        local start_next = "▷▒▒"
        local end_prev = "▒▒◁"
        local end_next = "▒▒▷"
        if BD.mirroredUILayout() then
            -- BiDi will mirror the arrows, and this just works
            start_prev, start_next = start_next, start_prev
            end_prev, end_next = end_next, end_prev
        end
        table.insert(buttons, {
            {
                text = start_prev,
                enabled = enabled,
                callback = function()
                    self:updateHighlight(index, 0, -1, false)
                end,
                hold_callback = function()
                    self:updateHighlight(index, 0, -1, true)
                    return true
                end
            },
            {
                text = start_next,
                enabled = enabled,
                callback = function()
                    self:updateHighlight(index, 0, 1, false)
                end,
                hold_callback = function()
                    self:updateHighlight(index, 0, 1, true)
                    return true
                end
            },
            {
                text = end_prev,
                enabled = enabled,
                callback = function()
                    self:updateHighlight(index, 1, -1, false)
                end,
                hold_callback = function()
                    self:updateHighlight(index, 1, -1, true)
                end
            },
            {
                text = end_next,
                enabled = enabled,
                callback = function()
                    self:updateHighlight(index, 1, 1, false)
                end,
                hold_callback = function()
                    self:updateHighlight(index, 1, 1, true)
                end
            }
        })
    end
    self.edit_highlight_dialog = ButtonDialog:new{
        buttons = buttons,
    }
    UIManager:show(self.edit_highlight_dialog)
    return true
end