Add menu to configure the top/alt status bar in crengine (#7107)

Allows toggling from the UI some crengine settings
related to the top status bar (which previously could
be done by editing cr3.ini).

frontend/apps/reader/modules/readercoptlistener.lua

@@ -1,5 +1,10 @@
 local Event = require("ui/event")
+local Device = require("device")
 local EventListener = require("ui/widget/eventlistener")
+local InfoMessage = require("ui/widget/infomessage")
+local UIManager = require("ui/uimanager")
+local T = require("ffi/util").template
+local _ = require("gettext")
 
 local ReaderCoptListener = EventListener:new{}
 
@@ -16,6 +21,24 @@ function ReaderCoptListener:onReadSettings(config)
         end)
     end
 
+    self.title = G_reader_settings:readSetting("cre_header_title") or 1
+    self.clock = G_reader_settings:readSetting("cre_header_clock") or 1
+    self.page_number = G_reader_settings:readSetting("cre_header_page_number") or 1
+    self.page_count = G_reader_settings:readSetting("cre_header_page_count") or 1
+    self.reading_percent = G_reader_settings:readSetting("cre_header_reading_percent") or 0
+    self.battery = G_reader_settings:readSetting("cre_header_battery") or 1
+    self.battery_percent = G_reader_settings:readSetting("cre_header_battery_percent") or 0
+    self.chapter_marks = G_reader_settings:readSetting("cre_header_chapter_marks") or 1
+
+    self.ui.document._document:setIntProperty("window.status.title", self.title)
+    self.ui.document._document:setIntProperty("window.status.clock", self.clock)
+    self.ui.document._document:setIntProperty("window.status.pos.page.number", self.page_number)
+    self.ui.document._document:setIntProperty("window.status.pos.page.count", self.page_count)
+    self.ui.document._document:setIntProperty("crengine.page.header.chapter.marks", self.chapter_marks)
+    self.ui.document._document:setIntProperty("window.status.battery", self.battery)
+    self.ui.document._document:setIntProperty("window.status.battery.percent", self.battery_percent)
+    self.ui.document._document:setIntProperty("window.status.pos.percent", self.reading_percent)
+
     local status_line = config:readSetting("copt_status_line") or G_reader_settings:readSetting("copt_status_line") or 1
     self.ui:handleEvent(Event:new("SetStatusLine", status_line, true))
 end
@@ -24,4 +47,144 @@ function ReaderCoptListener:onSetFontSize(font_size)
     self.document.configurable.font_size = font_size
 end
 
+function ReaderCoptListener:setAndSave(setting, property, value)
+    self.ui.document._document:setIntProperty(property, value)
+    G_reader_settings:saveSetting(setting, value)
+    UIManager:broadcastEvent(Event:new("SetStatusLine", self.document.configurable.status_line, true))
+end
+
+local about_text = _([[
+In CRE documents, an alternative status bar can be displayed at the top of the screen, with or without the regular bottom status bar.
+
+Enabling this alt status bar, per document or by default, can be done in the bottom menu.
+
+The alternative status bar can be configured here.]])
+
+function ReaderCoptListener:getAltStatusBarMenu()
+    return {
+        text = _("Alt status bar"),
+        separator = true,
+        sub_item_table = {
+            {
+                text = _("About alternate status bar"),
+                keep_menu_open = true,
+                callback = function()
+                    UIManager:show(InfoMessage:new{
+                        text = about_text,
+                    })
+                end,
+                separator = true,
+            },
+            {
+                text = _("Title"),
+                checked_func = function()
+                    return self.title == 1
+                end,
+                callback = function()
+                    self.title = self.title == 0 and 1 or 0
+                    self:setAndSave("cre_header_title", "window.status.title", self.title)
+                end,
+            },
+            {
+                text = _("Clock"),
+                checked_func = function()
+                    return self.clock == 1
+                end,
+                callback = function()
+                    self.clock = self.clock == 0 and 1 or 0
+                    self:setAndSave("cre_header_clock", "window.status.clock", self.clock)
+                end,
+            },
+            {
+                text = _("Page number"),
+                checked_func = function()
+                    return self.page_number == 1
+                end,
+                callback = function()
+                    self.page_number = self.page_number == 0 and 1 or 0
+                    self:setAndSave("cre_header_page_number", "window.status.pos.page.number", self.page_number)
+                end,
+            },
+            {
+                text = _("Page count"),
+                checked_func = function()
+                    return self.page_count == 1
+                end,
+                callback = function()
+                    self.page_count = self.page_count == 0 and 1 or 0
+                    self:setAndSave("cre_header_page_count", "window.status.pos.page.count", self.page_count)
+                end,
+            },
+            {
+                text = _("Reading percentage"),
+                checked_func = function()
+                    return self.reading_percent == 1
+                end,
+                callback = function()
+                    self.reading_percent = self.reading_percent == 0 and 1 or 0
+                    self:setAndSave("cre_header_reading_percent", "window.status.pos.percent", self.reading_percent)
+                end,
+            },
+            {
+                text = _("Battery"),
+                checked_func = function()
+                    return self.battery == 1
+                end,
+                callback = function()
+                    self.battery = self.battery == 0 and 1 or 0
+                    self:setAndSave("cre_header_battery", "window.status.battery", self.battery)
+                end,
+            },
+            {
+                text = _("Battery percentage"),
+                enabled_func = function()
+                    return self.battery == 1
+                end,
+                checked_func = function()
+                    return self.battery_percent == 1
+                end,
+                callback = function()
+                    self.battery_percent = self.battery_percent == 0 and 1 or 0
+                    self:setAndSave("cre_header_battery_percent", "window.status.battery.percent", self.battery_percent)
+                end,
+            },
+            {
+                text = _("Chapter marks"),
+                checked_func = function()
+                    return self.chapter_marks == 1
+                end,
+                callback = function()
+                    self.chapter_marks = self.chapter_marks == 0 and 1 or 0
+                    self:setAndSave("cre_header_chapter_marks", "crengine.page.header.chapter.marks", self.chapter_marks)
+                end,
+                separator = true,
+            },
+            {
+                keep_menu_open = true,
+                text_func = function()
+                    return T(_("Top status bar font size (%1)"), G_reader_settings:readSetting("cre_header_status_font_size") or 20 )
+                end,
+                callback = function(touchmenu_instance)
+                    local SpinWidget = require("ui/widget/spinwidget")
+                    local start_size = G_reader_settings:readSetting("cre_header_status_font_size") or 20
+                    local size_spinner = SpinWidget:new{
+                        width = math.floor(Device.screen:getWidth() * 0.6),
+                        value = start_size,
+                        value_min = 8,
+                        value_max = 36,
+                        default_value = 14,
+                        title_text =  _("Size of top status bar"),
+                        ok_text = _("Set size"),
+                        callback = function(spin)
+                            self:setAndSave("cre_header_status_font_size", "crengine.page.header.font.size", spin.value)
+                            if touchmenu_instance then touchmenu_instance:updateItems() end
+                        end
+                    }
+                    UIManager:show(size_spinner)
+                end,
+            },
+        },
+    }
+end
+
 return ReaderCoptListener

frontend/apps/reader/modules/readerfooter.lua

@@ -1704,6 +1704,11 @@ function ReaderFooter:addToMainMenu(menu_items)
     end
     table.insert(sub_items, getMinibarOption("book_title"))
     table.insert(sub_items, getMinibarOption("book_chapter"))
+
+    -- If using crengine, add Alt status bar items at top
+    if self.ui.crelistener then
+        table.insert(sub_items, 1, self.ui.crelistener:getAltStatusBarMenu())
+    end
 end
 
 -- this method will be updated at runtime based on user setting