diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
new file mode 100644
index 0000000..5e39422
--- /dev/null
+++ b/.github/workflows/codeql-analysis.yml
@@ -0,0 +1,70 @@
+# For most projects, this workflow file will not need changing; you simply need
+# to commit it to your repository.
+#
+# You may wish to alter this file to override the set of languages analyzed,
+# or to provide custom queries or build logic.
+#
+# ******** NOTE ********
+# We have attempted to detect the languages in your repository. Please check
+# the `language` matrix defined below to confirm you have the correct set of
+# supported CodeQL languages.
+#
+name: "CodeQL"
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: [ main ]
+  schedule:
+    - cron: '31 0 * * 4'
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: [ 'python' ]
+        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python', 'ruby' ]
+        # Learn more about CodeQL language support at https://git.io/codeql-language-support
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v2
+
+    # Initializes the CodeQL tools for scanning.
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v1
+      with:
+        languages: ${{ matrix.language }}
+        # If you wish to specify custom queries, you can do so here or in a config file.
+        # By default, queries listed here will override any specified in a config file.
+        # Prefix the list here with "+" to use these queries and those in the config file.
+        # queries: ./path/to/local/query, your-org/your-repo/queries@main
+
+    # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
+    # If this step fails, then you should remove it and run the build manually (see below)
+    - name: Autobuild
+      uses: github/codeql-action/autobuild@v1
+
+    # ℹ️ Command-line programs to run using the OS shell.
+    # 📚 https://git.io/JvXDl
+
+    # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
+    #    and modify them (or add more) to build your code if your project
+    #    uses a compiled language
+
+    #- run: |
+    #   make bootstrap
+    #   make release
+
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v1
diff --git a/README.md b/README.md
index 59533bc..ba6261f 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,7 @@
 [![Code Climate](https://codeclimate.com/github/tobi-wan-kenobi/bumblebee-status/badges/gpa.svg)](https://codeclimate.com/github/tobi-wan-kenobi/bumblebee-status)
 [![Test Coverage](https://codeclimate.com/github/tobi-wan-kenobi/bumblebee-status/badges/coverage.svg)](https://codeclimate.com/github/tobi-wan-kenobi/bumblebee-status/coverage)
 [![Issue Count](https://codeclimate.com/github/tobi-wan-kenobi/bumblebee-status/badges/issue_count.svg)](https://codeclimate.com/github/tobi-wan-kenobi/bumblebee-status)
+[![CodeQL](https://github.com/tobi-wan-kenobi/bumblebee-status/actions/workflows/codeql-analysis.yml/badge.svg?branch=main)](https://github.com/tobi-wan-kenobi/bumblebee-status/actions/workflows/codeql-analysis.yml)
 ![License](https://img.shields.io/github/license/tobi-wan-kenobi/bumblebee-status)
 
 **Many, many thanks to all contributors! I am still amazed by and deeply grateful for how many PRs this project gets.**
diff --git a/bumblebee_status/core/input.py b/bumblebee_status/core/input.py
index 2f9fdfc..5752dd8 100644
--- a/bumblebee_status/core/input.py
+++ b/bumblebee_status/core/input.py
@@ -54,8 +54,11 @@ def register(obj, button=None, cmd=None, wait=False):
     event_id = __event_id(obj.id if obj is not None else "", button)
     logging.debug("registering callback {}".format(event_id))
     core.event.unregister(event_id) # make sure there's always only one input event
+
     if callable(cmd):
         core.event.register_exclusive(event_id, cmd)
+    elif obj and hasattr(obj, cmd) and callable(getattr(obj, cmd)):
+        core.event.register_exclusive(event_id, lambda event: getattr(obj, cmd)(event))
     else:
         core.event.register_exclusive(event_id, lambda event: __execute(event, cmd, wait))
 
diff --git a/bumblebee_status/modules/contrib/pactl.py b/bumblebee_status/modules/contrib/pactl.py
new file mode 100644
index 0000000..cd62c9a
--- /dev/null
+++ b/bumblebee_status/modules/contrib/pactl.py
@@ -0,0 +1,141 @@
+# pylint: disable=C0111,R0903
+
+""" Displays the current default sink.
+
+    Left click opens a popup menu that lists all available sinks and allows to change the default sink.
+
+    Per default, this module uses the sink names returned by "pactl list sinks short"
+
+    sample output of "pactl list sinks short":
+
+    2	alsa_output.pci-0000_00_1f.3.analog-stereo	module-alsa-card.c	s16le 2ch 44100Hz	SUSPENDED
+    3	alsa_output.usb-Logitech_Logitech_USB_Headset-00.analog-stereo	module-alsa-card.c	s16le 2ch 44100Hz	SUSPENDE
+
+    As "alsa_output.usb-Logitech_Logitech_USB_Headset-00.analog-stereo" is not a particularly nice name, its possible to map the name to more a
+    user friendly name. e.g to map "alsa_output.usb-Logitech_Logitech_USB_Headset-00.analog-stereo" to the name "Headset", add the following
+    bumblebee-status config entry: pactl.alsa_output.usb-Logitech_Logitech_USB_Headset-00.analog-stereo=Headset
+
+    The module also allows to specify individual (unicode) icons for all the sinks. e.g in order to use the icon 🎧 for the
+    "alsa_output.usb-Logitech_Logitech_USB_Headset-00.analog-stereo" sink, add the following bumblebee-status config entry:
+    pactl.icon.alsa_output.usb-Logitech_Logitech_USB_Headset-00.analog-stereo=🎧
+
+    Requirements:
+        * pulseaudio
+        * pactl
+"""
+
+import logging
+import functools
+
+import core.module
+import core.widget
+import core.input
+
+import util.cli
+import util.popup
+
+
+class Sink(object):
+    def __init__(self, id, internal_name, friendly_name, icon):
+        super().__init__()
+        self.__id = id
+        self.__internal_name = internal_name
+        self.__friendly_name = friendly_name
+        self.__icon = icon
+
+    @property
+    def id(self):
+        return self.__id
+
+    @property
+    def internal_name(self):
+        return self.__internal_name
+
+    @property
+    def friendly_name(self):
+        return self.__friendly_name
+
+    @property
+    def icon(self):
+        return self.__icon
+
+    @property
+    def display_name(self):
+        display_name = (
+            self.__icon + " " + self.__friendly_name
+            if self.__icon != ""
+            else self.__friendly_name
+        )
+        return display_name
+
+
+class Module(core.module.Module):
+    def __init__(self, config, theme):
+        super().__init__(config, theme, core.widget.Widget(self.default_sink))
+
+        self.__default_sink = None
+
+        res = util.cli.execute("pactl list sinks short")
+        lines = res.splitlines()
+
+        self.__sinks = []
+        for line in lines:
+            info = line.split("\t")
+            try:
+                friendly_name = self.parameter(info[1], info[1])
+                icon = self.parameter("icon." + info[1], "")
+                self.__sinks.append(Sink(info[0], info[1], friendly_name, icon))
+            except:
+                logging.exception("Couldn't parse sink")
+                pass
+
+        core.input.register(self, button=core.input.LEFT_MOUSE, cmd=self.popup)
+
+    def __sink(self, internal_sink_name):
+        for sink in self.__sinks:
+            if internal_sink_name == sink.internal_name:
+                return sink
+        return None
+
+    def update(self):
+        try:
+            res = util.cli.execute("pactl info")
+            lines = res.splitlines()
+            self.__default_sink = None
+            for line in lines:
+                if not line.startswith("Default Sink:"):
+                    continue
+                internal_sink_name = line.replace("Default Sink: ", "")
+                self.__default_sink = self.__sink(internal_sink_name)
+                break
+        except Exception as e:
+            logging.exception("Could not get pactl info")
+            self.__default_sink = None
+
+    def default_sink(self, widget):
+        if self.__default_sink is None:
+            return "unknown"
+        return self.__default_sink.display_name
+
+    def __on_sink_selected(self, sink):
+        try:
+            util.cli.execute("pactl set-default-sink {}".format(sink.id))
+            self.__default_sink = sink
+        except Exception as e:
+            logging.exception("Couldn't set default sink")
+
+    def popup(self, widget):
+        menu = util.popup.menu()
+
+        for sink in self.__sinks:
+            menu.add_menuitem(
+                sink.friendly_name,
+                callback=functools.partial(self.__on_sink_selected, sink),
+            )
+        menu.show(widget)
+
+    def state(self, widget):
+        return []
+
+
+# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
diff --git a/bumblebee_status/modules/contrib/persian_date.py b/bumblebee_status/modules/contrib/persian_date.py
new file mode 100644
index 0000000..6e3eded
--- /dev/null
+++ b/bumblebee_status/modules/contrib/persian_date.py
@@ -0,0 +1,45 @@
+# pylint: disable=C0111,R0903
+
+"""Displays the current date and time in Persian(Jalali) Calendar.
+
+Requires the following python packages:
+    * jdatetime
+
+Parameters:
+    * datetime.format: strftime()-compatible formatting string. default: "%A %d %B" e.g., "جمعه ۱۳ اسفند"
+    * datetime.locale: locale to use. default: "fa_IR"
+"""
+
+from __future__ import absolute_import
+import jdatetime
+import locale
+
+import core.module
+import core.widget
+import core.input
+
+
+class Module(core.module.Module):
+    def __init__(self, config, theme):
+        super().__init__(config, theme, core.widget.Widget(self.full_text))
+
+        l = ("fa_IR", "UTF-8")
+        lcl = self.parameter("locale", ".".join(l))
+        try:
+            locale.setlocale(locale.LC_ALL, lcl.split("."))
+        except Exception as e:
+            locale.setlocale(locale.LC_ALL, ("fa_IR", "UTF-8"))
+
+    def default_format(self):
+        return "%A %d %B"
+
+    def full_text(self, widget):
+        enc = locale.getpreferredencoding()
+        fmt = self.parameter("format", self.default_format())
+        retval = jdatetime.datetime.now().strftime(fmt)
+        if hasattr(retval, "decode"):
+            return retval.decode(enc)
+        return retval
+
+
+# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
diff --git a/bumblebee_status/modules/contrib/publicip.py b/bumblebee_status/modules/contrib/publicip.py
index 17a23e3..a74d708 100644
--- a/bumblebee_status/modules/contrib/publicip.py
+++ b/bumblebee_status/modules/contrib/publicip.py
@@ -16,13 +16,13 @@ class Module(core.module.Module):
         self.__ip = ""
 
     def public_ip(self, widget):
-        return self.__ip
+        return self.__ip or "n/a"
 
     def update(self):
         try:
             self.__ip = util.location.public_ip()
         except Exception:
-            self.__ip = "n/a"
+            self.__ip = None
 
 
 # vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
diff --git a/bumblebee_status/modules/contrib/rss.py b/bumblebee_status/modules/contrib/rss.py
index 7b8c032..7824e2e 100644
--- a/bumblebee_status/modules/contrib/rss.py
+++ b/bumblebee_status/modules/contrib/rss.py
@@ -55,7 +55,7 @@ class Module(core.module.Module):
 
         self._state = []
 
-        self._newspaper_filename = tempfile.mktemp(".html")
+        self._newspaper_file = tempfile.NamedTemporaryFile(mode="w", suffix=".html")
 
         self._last_refresh = 0
         self._last_update = 0
@@ -308,10 +308,11 @@ class Module(core.module.Module):
 
         while newspaper_items:
             content += self._create_news_section(newspaper_items)
-        open(self._newspaper_filename, "w").write(
+        self._newspaper_file.write(
             HTML_TEMPLATE.replace("[[CONTENT]]", content)
         )
-        webbrowser.open("file://" + self._newspaper_filename)
+        self._newspaper_file.flush()
+        webbrowser.open("file://" + self._newspaper_file.name)
         self._update_history("newspaper")
         self._save_history()
 
diff --git a/bumblebee_status/modules/contrib/sun.py b/bumblebee_status/modules/contrib/sun.py
index e9eefd2..34a4b71 100644
--- a/bumblebee_status/modules/contrib/sun.py
+++ b/bumblebee_status/modules/contrib/sun.py
@@ -39,7 +39,11 @@ class Module(core.module.Module):
         self.__sun = None
 
         if not lat or not lon:
-            lat, lon = util.location.coordinates()
+            try:
+                lat, lon = util.location.coordinates()
+            except Exception:
+                pass
+
         if lat and lon:
             self.__sun = Sun(float(lat), float(lon))
 
@@ -55,6 +59,10 @@ class Module(core.module.Module):
         return "n/a"
 
     def __calculate_times(self):
+        if not self.__sun:
+            self.__sunset = self.__sunrise = None
+            return
+
         self.__isup = False
 
         order_matters = True
diff --git a/bumblebee_status/modules/core/nic.py b/bumblebee_status/modules/core/nic.py
index 7dde2f0..09fe487 100644
--- a/bumblebee_status/modules/core/nic.py
+++ b/bumblebee_status/modules/core/nic.py
@@ -13,7 +13,9 @@ Parameters:
     * nic.exclude: Comma-separated list of interface prefixes (supporting regular expressions) to exclude (defaults to 'lo,virbr,docker,vboxnet,veth,br,.*:avahi')
     * nic.include: Comma-separated list of interfaces to include
     * nic.states: Comma-separated list of states to show (prefix with '^' to invert - i.e. ^down -> show all devices that are not in state down)
-    * nic.format: Format string (defaults to '{intf} {state} {ip} {ssid}')
+    * nic.format: Format string (defaults to '{intf} {state} {ip} {ssid} {strength}')
+    * nic.strength_warning: Integer to set the threshold for warning state (defaults to 50)
+    * nic.strength_critical: Integer to set the threshold for critical state (defaults to 30)
 """
 
 import re
@@ -28,7 +30,7 @@ import util.format
 
 
 class Module(core.module.Module):
-    @core.decorators.every(seconds=10)
+    @core.decorators.every(seconds=5)
     def __init__(self, config, theme):
         widgets = []
         super().__init__(config, theme, widgets)
@@ -45,7 +47,15 @@ class Module(core.module.Module):
                 self._states["exclude"].append(state[1:])
             else:
                 self._states["include"].append(state)
-        self._format = self.parameter("format", "{intf} {state} {ip} {ssid}")
+        self._format = self.parameter("format", "{intf} {state} {ip} {ssid} {strength}")
+
+        self._strength_threshold_critical = self.parameter("strength_critical", 30)
+        self._strength_threshold_warning = self.parameter("strength_warning", 50)
+
+        # Limits for the accepted dBm values of wifi strength
+        self.__strength_dbm_lower_bound = -110
+        self.__strength_dbm_upper_bound = -30
+
         self.iw = shutil.which("iw")
         self._update_widgets(widgets)
 
@@ -64,6 +74,14 @@ class Module(core.module.Module):
         iftype = "wireless" if self._iswlan(intf) else "wired"
         iftype = "tunnel" if self._istunnel(intf) else iftype
 
+        # "strength" is none if interface type is not wlan
+        strength = widget.get("strength")
+        if self._iswlan(intf) and strength:
+            if strength < self._strength_threshold_critical:
+                states.append("critical")
+            elif strength < self._strength_threshold_warning:
+                states.append("warning")
+
         states.append("{}-{}".format(iftype, widget.get("state")))
 
         return states
@@ -116,6 +134,9 @@ class Module(core.module.Module):
             ):
                 continue
 
+            strength_dbm = self.get_strength_dbm(intf)
+            strength_percent = self.convert_strength_dbm_percent(strength_dbm)
+
             widget = self.widget(intf)
             if not widget:
                 widget = self.add_widget(name=intf)
@@ -126,12 +147,14 @@ class Module(core.module.Module):
                         ip=", ".join(addr),
                         intf=intf,
                         state=state,
+                        strength=str(strength_percent) + "%" if strength_percent else "",
                         ssid=self.get_ssid(intf),
                     ).split()
                 )
             )
             widget.set("intf", intf)
             widget.set("state", state)
+            widget.set("strength", strength_percent)
 
     def get_ssid(self, intf):
         if not self._iswlan(intf) or self._istunnel(intf) or not self.iw:
@@ -145,5 +168,23 @@ class Module(core.module.Module):
 
         return ""
 
+    def get_strength_dbm(self, intf):
+        if not self._iswlan(intf) or self._istunnel(intf) or not self.iw:
+            return None
+
+        with open("/proc/net/wireless", "r") as file:
+            for line in file:
+                if intf in line:
+                    # Remove trailing . by slicing it off ;)
+                    strength_dbm = line.split()[3][:-1]
+                    return util.format.asint(strength_dbm,
+                                minimum=self.__strength_dbm_lower_bound,
+                                maximum=self.__strength_dbm_upper_bound)
+
+        return None
+
+    def convert_strength_dbm_percent(self, signal):
+        return int(100 * ((signal + 100) / 70.0)) if signal else None
+
 
 # vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
diff --git a/bumblebee_status/modules/core/redshift.py b/bumblebee_status/modules/core/redshift.py
index c6735b1..d50463f 100644
--- a/bumblebee_status/modules/core/redshift.py
+++ b/bumblebee_status/modules/core/redshift.py
@@ -54,7 +54,7 @@ def get_redshift_value(module):
     for line in res.split("\n"):
         line = line.lower()
         if "temperature" in line:
-            widget.set("temp", line.split(" ")[2])
+            widget.set("temp", line.split(" ")[2].upper())
         if "period" in line:
             state = line.split(" ")[1]
             if "day" in state:
diff --git a/bumblebee_status/modules/core/spacer.py b/bumblebee_status/modules/core/spacer.py
index 7e4453a..e5a2d5e 100644
--- a/bumblebee_status/modules/core/spacer.py
+++ b/bumblebee_status/modules/core/spacer.py
@@ -9,7 +9,7 @@ Parameters:
 import core.module
 import core.widget
 import core.decorators
-
+import core.input
 
 class Module(core.module.Module):
     @core.decorators.every(minutes=60)
@@ -20,5 +20,8 @@ class Module(core.module.Module):
     def text(self, _):
         return self.__text
 
+    def update_text(self, event):
+        self.__text = core.input.button_name(event["button"])
+
 
 # vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
diff --git a/bumblebee_status/util/location.py b/bumblebee_status/util/location.py
index 12242ea..e48b71a 100644
--- a/bumblebee_status/util/location.py
+++ b/bumblebee_status/util/location.py
@@ -59,11 +59,11 @@ def __load():
     __next = time.time() + 60 * 30  # error - try again every 30m
 
 
-def __get(name, default=None):
+def __get(name):
     global __data
     if not __data or __expired():
         __load()
-    return __data.get(name, default)
+    return __data[name]
 
 
 def reset():
diff --git a/tests/modules/contrib/test_publicip.py b/tests/modules/contrib/test_publicip.py
index 9584bd7..870ede6 100644
--- a/tests/modules/contrib/test_publicip.py
+++ b/tests/modules/contrib/test_publicip.py
@@ -26,6 +26,15 @@ class PublicIPTest(TestCase):
 
         assert widget(module).full_text() == '5.12.220.2'
 
+    @mock.patch('util.location.public_ip')
+    def test_public_ip(self, public_ip_mock):
+        public_ip_mock.return_value = None
+
+        module = build_module()
+        module.update()
+
+        assert widget(module).full_text() == 'n/a'
+
     @mock.patch('util.location.public_ip')
     def test_public_ip_with_exception(self, public_ip_mock):
         public_ip_mock.side_effect = Exception
diff --git a/themes/icons/awesome-fonts.json b/themes/icons/awesome-fonts.json
index 9f14da9..f85dfd8 100644
--- a/themes/icons/awesome-fonts.json
+++ b/themes/icons/awesome-fonts.json
@@ -7,6 +7,7 @@
     "default-separators": false
   },
   "date": { "prefix": "" },
+  "persian_date": { "prefix": "" },
   "time": { "prefix": "" },
   "datetime": { "prefix": "" },
   "datetz": { "prefix": "" },
diff --git a/themes/rose-pine.json b/themes/rose-pine.json
new file mode 100644
index 0000000..e1ce49b
--- /dev/null
+++ b/themes/rose-pine.json
@@ -0,0 +1,54 @@
+{
+  "icons": ["awesome-fonts"],
+  "defaults": {
+    "separator-block-width": 0,
+    "warning": {
+      "fg": "#232136",
+      "bg": "#f6c177"
+    },
+    "critical": {
+      "fg": "#232136",
+      "bg": "#eb6f92"
+    }
+  },
+  "cycle": [
+    { "fg": "#232136", "bg": "#ea9a97" },
+    { "fg": "#e0def4", "bg": "#393552" }
+  ],
+  "dnf": {
+    "good": {
+      "fg": "#232136",
+      "bg": "#9ccfd8"
+    }
+  },
+  "pacman": {
+    "good": {
+      "fg": "#232136",
+      "bg": "#9ccfd8"
+    }
+  },
+  "battery": {
+    "charged": {
+      "fg": "#232136",
+      "bg": "#9ccfd8"
+    },
+    "AC": {
+      "fg": "#232136",
+      "bg": "#9ccfd8"
+    }
+  },
+  "pomodoro": {
+    "paused": {
+      "fg": "#232136",
+      "bg": "#f6c177"
+    },
+    "work": {
+      "fg": "#232136",
+      "bg": "#9ccfd8"
+    },
+    "break": {
+      "fg": "#232136",
+      "bg": "#c4a7e7"
+    }
+  }
+}
diff --git a/themes/zengarden-powerline-light.json b/themes/zengarden-powerline-light.json
new file mode 100644
index 0000000..097842a
--- /dev/null
+++ b/themes/zengarden-powerline-light.json
@@ -0,0 +1,78 @@
+{
+	"icons": [ "paxy97", "awesome-fonts" ],
+	"defaults": {
+		"warning": {
+			"fg": "#353839",
+			"bg": "#b38a32"
+		},
+		"critical": {
+			"fg": "#353839",
+			"bg": "#d94070"
+		},
+		"default-separators": false,
+		"separator-block-width": 0
+	},
+	"fg": "#353839",
+	"bg": "#c4b6a3",
+    "dnf": {
+        "good": {
+            "fg": "#353839",
+            "bg": "#378c5d"
+        }
+    },
+    "apt": {
+        "good": {
+            "fg": "#353839",
+            "bg": "#378c5d"
+        }
+    },
+    "battery": {
+        "charged": {
+            "fg": "#353839",
+            "bg": "#378c5d"
+        },
+        "AC": {
+            "fg": "#353839",
+            "bg": "#378c5d"
+        }
+    },
+    "bluetooth": {
+        "ON": {
+            "fg": "#353839",
+            "bg": "#378c5d"
+        }
+    },
+    "git": {
+        "modified": { "bg": "#174572" },
+        "deleted": { "bg": "#ba1d58" },
+        "new": { "bg": "#967117" }
+    },
+    "pomodoro": {
+        "paused": {
+            "fg": "#353839",
+            "bg": "#d79921"
+        },
+        "work": {
+            "fg": "#353839",
+            "bg": "#378c5d"
+        },
+        "break": {
+            "fg": "#353839",
+            "bg": "#378c5d"
+        }
+    },
+	"keys": {
+		"Key.cmd": {
+			"bg": "#477ab7"
+		},
+		"Key.shift": {
+			"bg": "#b38a32"
+		},
+		"Key.ctrl": {
+			"bg": "#377c8b"
+		},
+		"Key.alt": {
+			"bg": "#e05b1f"
+		}
+	}
+}