Add calendar widget

2 files changed, 267 insertions, 1 deletions

diff --git a/.config/awesome/calendar.lua b/.config/awesome/calendar.lua
new file mode 100644
index 0000000..4bb637f
--- /dev/null
+++ b/.config/awesome/calendar.lua
@@ -0,0 +1,253 @@
+-------------------------------------------------
+-- Calendar Widget for Awesome Window Manager
+-- Shows the current month and supports scroll up/down to switch month
+-- More details could be found here:
+-- https://github.com/streetturtle/awesome-wm-widgets/tree/master/calendar-widget
+
+-- @author Pavel Makhov
+-- @copyright 2019 Pavel Makhov
+-------------------------------------------------
+
+local awful = require("awful")
+local beautiful = require("beautiful")
+local wibox = require("wibox")
+local gears = require("gears")
+local naughty = require("naughty")
+
+local calendar_widget = {}
+
+local function worker(user_args)
+
+    local calendar_themes = {
+        nord = {
+            bg = '#2E3440',
+            fg = '#D8DEE9',
+            focus_date_bg = '#88C0D0',
+            focus_date_fg = '#000000',
+            weekend_day_bg = '#3B4252',
+            weekday_fg = '#88C0D0',
+            header_fg = '#E5E9F0',
+            border = '#4C566A'
+        },
+        outrun = {
+            bg = '#0d0221',
+            fg = '#D8DEE9',
+            focus_date_bg = '#650d89',
+            focus_date_fg = '#2de6e2',
+            weekend_day_bg = '#261447',
+            weekday_fg = '#2de6e2',
+            header_fg = '#f6019d',
+            border = '#261447'
+        },
+        dark = {
+            bg = '#000000',
+            fg = '#ffffff',
+            focus_date_bg = '#ffffff',
+            focus_date_fg = '#000000',
+            weekend_day_bg = '#444444',
+            weekday_fg = '#ffffff',
+            header_fg = '#ffffff',
+            border = '#333333'
+        },
+        light = {
+            bg = '#ffffff',
+            fg = '#000000',
+            focus_date_bg = '#000000',
+            focus_date_fg = '#ffffff',
+            weekend_day_bg = '#AAAAAA',
+            weekday_fg = '#000000',
+            header_fg = '#000000',
+            border = '#CCCCCC'
+        },
+        monokai = {
+            bg = '#272822',
+            fg = '#F8F8F2',
+            focus_date_bg = '#AE81FF',
+            focus_date_fg = '#ffffff',
+            weekend_day_bg = '#75715E',
+            weekday_fg = '#FD971F',
+            header_fg = '#F92672',
+            border = '#75715E'
+        },
+        naughty = {
+            bg = beautiful.notification_bg or beautiful.bg,
+            fg = beautiful.notification_fg or beautiful.fg,
+            focus_date_bg = beautiful.notification_fg or beautiful.fg,
+            focus_date_fg = beautiful.notification_bg or beautiful.bg,
+            weekend_day_bg = beautiful.bg_focus,
+            weekday_fg = beautiful.fg,
+            header_fg = beautiful.fg,
+            border = beautiful.border_normal
+        }
+
+    }
+
+    local args = user_args or {}
+
+    if args.theme ~= nil and calendar_themes[args.theme] == nil then
+        naughty.notify({
+            preset = naughty.config.presets.critical,
+            title = 'Calendar Widget',
+            text = 'Theme "' .. args.theme .. '" not found, fallback to default'})
+        args.theme = 'naughty'
+    end
+
+    local theme = args.theme or 'naughty'
+    local placement = args.placement or 'top'
+    local radius = args.radius or 8
+    local next_month_button = args.next_month_button or 4
+    local previous_month_button = args.previous_month_button or 5
+    local start_sunday = args.start_sunday or false
+
+    local styles = {}
+    local function rounded_shape(size)
+        return function(cr, width, height)
+            gears.shape.rounded_rect(cr, width, height, size)
+        end
+    end
+
+    styles.month = {
+        padding = 4,
+        bg_color = calendar_themes[theme].bg,
+        border_width = 0,
+    }
+
+    styles.normal = {
+        markup = function(t) return t end,
+        shape = rounded_shape(4)
+    }
+
+    styles.focus = {
+        fg_color = calendar_themes[theme].focus_date_fg,
+        bg_color = calendar_themes[theme].focus_date_bg,
+        markup = function(t) return '<b>' .. t .. '</b>' end,
+        shape = rounded_shape(4)
+    }
+
+    styles.header = {
+        fg_color = calendar_themes[theme].header_fg,
+        bg_color = calendar_themes[theme].bg,
+        markup = function(t) return '<b>' .. t .. '</b>' end
+    }
+
+    styles.weekday = {
+        fg_color = calendar_themes[theme].weekday_fg,
+        bg_color = calendar_themes[theme].bg,
+        markup = function(t) return '<b>' .. t .. '</b>' end,
+    }
+
+    local function decorate_cell(widget, flag, date)
+        if flag == 'monthheader' and not styles.monthheader then
+            flag = 'header'
+        end
+
+        -- highlight only today's day
+        if flag == 'focus' then
+            local today = os.date('*t')
+            if not (today.month == date.month and today.year == date.year) then
+                flag = 'normal'
+            end
+        end
+
+        local props = styles[flag] or {}
+        if props.markup and widget.get_text and widget.set_markup then
+            widget:set_markup(props.markup(widget:get_text()))
+        end
+        -- Change bg color for weekends
+        local d = { year = date.year, month = (date.month or 1), day = (date.day or 1) }
+        local weekday = tonumber(os.date('%w', os.time(d)))
+        local default_bg = (weekday == 0 or weekday == 6)
+            and calendar_themes[theme].weekend_day_bg
+            or calendar_themes[theme].bg
+        local ret = wibox.widget {
+            {
+                {
+                    widget,
+                    halign = 'center',
+                    widget = wibox.container.place
+                },
+                margins = (props.padding or 2) + (props.border_width or 0),
+                widget = wibox.container.margin
+            },
+            shape = props.shape,
+            shape_border_color = props.border_color or '#000000',
+            shape_border_width = props.border_width or 0,
+            fg = props.fg_color or calendar_themes[theme].fg,
+            bg = props.bg_color or default_bg,
+            widget = wibox.container.background
+        }
+
+        return ret
+    end
+
+    local cal = wibox.widget {
+        date = os.date('*t'),
+        font = beautiful.get_font(),
+        fn_embed = decorate_cell,
+        long_weekdays = true,
+        start_sunday = start_sunday,
+        widget = wibox.widget.calendar.month
+    }
+
+    local popup = awful.popup {
+        ontop = true,
+        visible = false,
+        shape = rounded_shape(radius),
+        offset = { y = 5 },
+        border_width = 1,
+        border_color = calendar_themes[theme].border,
+        widget = cal
+    }
+
+    popup:buttons(
+            awful.util.table.join(
+                    awful.button({}, next_month_button, function()
+                        local a = cal:get_date()
+                        a.month = a.month + 1
+                        cal:set_date(nil)
+                        cal:set_date(a)
+                        popup:set_widget(cal)
+                    end),
+                    awful.button({}, previous_month_button, function()
+                        local a = cal:get_date()
+                        a.month = a.month - 1
+                        cal:set_date(nil)
+                        cal:set_date(a)
+                        popup:set_widget(cal)
+                    end)
+            )
+    )
+
+    function calendar_widget.toggle()
+
+        if popup.visible then
+            -- to faster render the calendar refresh it and just hide
+            cal:set_date(nil) -- the new date is not set without removing the old one
+            cal:set_date(os.date('*t'))
+            popup:set_widget(nil) -- just in case
+            popup:set_widget(cal)
+            popup.visible = not popup.visible
+        else
+            if placement == 'top' then
+                awful.placement.top(popup, { margins = { top = 30 }, parent = awful.screen.focused() })
+            elseif placement == 'top_right' then
+                awful.placement.top_right(popup, { margins = { top = 30, right = 10}, parent = awful.screen.focused() })
+            elseif placement == 'bottom_right' then
+                awful.placement.bottom_right(popup, { margins = { bottom = 30, right = 10},
+                    parent = awful.screen.focused() })
+            else
+                awful.placement.top(popup, { margins = { top = 30 }, parent = awful.screen.focused() })
+            end
+
+            popup.visible = true
+
+        end
+    end
+
+    return calendar_widget
+
+end
+
+return setmetatable(calendar_widget, { __call = function(_, ...)
+    return worker(...)
+end })
diff --git a/.config/awesome/mcrute.lua b/.config/awesome/mcrute.lua
index 8143abf..869b001 100644
--- a/.config/awesome/mcrute.lua
+++ b/.config/awesome/mcrute.lua
@@ -30,6 +30,7 @@ local capi =
 -- transitively through this module. It makes our local customizations to
 -- rc.lua just a little easier to grep for.
 local battery = require("battery")
+local calendar = require("calendar")
 local _cpu_widget = require("cpu-widget")
 
 local timezone = "America/Los_Angeles"
@@ -536,7 +537,19 @@ end
 -- defaults but overrides the timezone to account for some oddities that I was
 -- experiencing with Ubuntu when changing timezones.
 function get_clock()
-    return wibox.widget.textclock(" %a %b %d, %H:%M ", 60, timezone)
+    local wi = wibox.widget.textclock(" %a %b %d, %H:%M ", 60, timezone)
+
+    local cw = calendar({
+        placement = 'top_right',
+        start_sunday = true,
+        previous_month_button = 4,
+        next_month_button = 5,
+    })
+    wi:connect_signal("button::press", function(_, _, _, button)
+        if button == 1 then cw.toggle() end
+    end)
+
+    return wi
 end
 
 -- default_display_handler configures an output to use it's default xrandr mode