moved utils --> libs

src/libs/__init__.py

@@ -0,0 +1,3 @@
+"""
+    Utils module
+"""

src/libs/db.py

@@ -0,0 +1,42 @@
+# Python imports
+from typing import Optional
+from os import path
+
+# Lib imports
+from sqlmodel import Session, create_engine
+
+# Application imports
+from .models import SQLModel, User
+
+
+
+class DB:
+    def __init__(self):
+        super(DB, self).__init__()
+        
+        self.engine = None
+
+        self.create_engine()
+
+
+    def create_engine(self):
+        db_path     = f"sqlite:///{settings_manager.get_home_config_path()}/database.db"
+        self.engine = create_engine(db_path)
+
+        SQLModel.metadata.create_all(self.engine)
+
+    def _add_entry(self, entry):
+        with Session(self.engine) as session:
+            session.add(entry)
+            session.commit()
+
+
+    def add_user_entry(self, name = None, password = None, email = None):
+        if not name or not password or not email: return
+
+        user = User()
+        user.name     = name
+        user.password = password
+        user.email    = email
+
+        self._add_entry(user)

src/libs/debugging.py

@@ -0,0 +1,52 @@
+# Python imports
+
+# Lib imports
+
+# Application imports
+
+
+
+# Break into a Python console upon SIGUSR1 (Linux) or SIGBREAK (Windows:
+# CTRL+Pause/Break).  To be included in all production code, just in case.
+def debug_signal_handler(signal, frame):
+    del signal
+    del frame
+
+    try:
+        import rpdb2
+        logger.debug("\n\nStarting embedded RPDB2 debugger. Password is 'foobar'\n\n")
+        rpdb2.start_embedded_debugger("foobar", True, True)
+        rpdb2.setbreak(depth=1)
+        return
+    except StandardError:
+        ...
+
+    try:
+        from rfoo.utils import rconsole
+        logger.debug("\n\nStarting embedded rconsole debugger...\n\n")
+        rconsole.spawn_server()
+        return
+    except StandardError as ex:
+        ...
+
+    try:
+        from pudb import set_trace
+        logger.debug("\n\nStarting PuDB debugger...\n\n")
+        set_trace(paused = True)
+        return
+    except StandardError as ex:
+        ...
+
+    try:
+        import pdb
+        logger.debug("\n\nStarting embedded PDB debugger...\n\n")
+        pdb.Pdb(skip=['gi.*']).set_trace()
+        return
+    except StandardError as ex:
+        ...
+
+    try:
+        import code
+        code.interact()
+    except StandardError as ex:
+        logger.debug(f"{ex}, returning to normal program flow...")

src/libs/endpoint_registry.py

@@ -0,0 +1,22 @@
+# Python imports
+
+# Lib imports
+
+# Application imports
+from .singleton import Singleton
+
+
+
+class EndpointRegistry(Singleton):
+    def __init__(self):
+        self._endpoints = {}
+
+    def register(self, rule, **options):
+        def decorator(f):
+            self._endpoints[rule] = f
+            return f
+
+        return decorator
+
+    def get_endpoints(self):
+        return self._endpoints

src/libs/event_system.py

@@ -0,0 +1,73 @@
+# Python imports
+from collections import defaultdict
+
+# Lib imports
+
+# Application imports
+from .singleton import Singleton
+
+
+
+class EventSystem(Singleton):
+    """ Create event system. """
+
+    def __init__(self):
+        self.subscribers = defaultdict(list)
+        self._is_paused  = False
+
+        self._subscribe_to_events()
+
+
+    def _subscribe_to_events(self):
+        self.subscribe("pause_event_processing", self._pause_processing_events)
+        self.subscribe("resume_event_processing", self._resume_processing_events)
+
+    def _pause_processing_events(self):
+        self._is_paused = True
+
+    def _resume_processing_events(self):
+        self._is_paused = False
+
+    def subscribe(self, event_type, fn):
+        self.subscribers[event_type].append(fn)
+
+    def unsubscribe(self, event_type, fn):
+        self.subscribers[event_type].remove(fn)
+
+    def unsubscribe_all(self, event_type):
+        self.subscribers.pop(event_type, None)
+
+    def emit(self, event_type, data = None):
+        if self._is_paused and event_type != "resume_event_processing":
+            return
+
+        if event_type in self.subscribers:
+            for fn in self.subscribers[event_type]:
+                if data:
+                    if hasattr(data, '__iter__') and not type(data) is str:
+                        fn(*data)
+                    else:
+                        fn(data)
+                else:
+                    fn()
+
+    def emit_and_await(self, event_type, data = None):
+        if self._is_paused and event_type != "resume_event_processing":
+            return
+
+        """ NOTE: Should be used when signal has only one listener and vis-a-vis """
+        if event_type in self.subscribers:
+            response = None
+            for fn in self.subscribers[event_type]:
+                if data:
+                    if hasattr(data, '__iter__') and not type(data) is str:
+                        response = fn(*data)
+                    else:
+                        response = fn(data)
+                else:
+                    response = fn()
+
+                if not response in (None, ''):
+                    break
+
+            return response

src/libs/ipc_server.py

@@ -0,0 +1,132 @@
+# Python imports
+import os
+import threading
+import time
+from multiprocessing.connection import Client
+from multiprocessing.connection import Listener
+
+# Lib imports
+
+# Application imports
+from .singleton import Singleton
+
+
+
+class IPCServer(Singleton):
+    """ Create a listener so that other {app_name} instances send requests back to existing instance. """
+    def __init__(self, ipc_address: str = '127.0.0.1', conn_type: str = "socket"):
+        self.is_ipc_alive     = False
+        self._ipc_port        = 4848
+        self._ipc_address     = ipc_address
+        self._conn_type       = conn_type
+        self._ipc_authkey     = b'' + bytes(f'{app_name}-ipc', 'utf-8')
+        self._ipc_timeout     = 15.0
+
+        if conn_type == "socket":
+            self._ipc_address = f'/tmp/{app_name}-ipc.sock'
+        elif conn_type == "full_network":
+            self._ipc_address = '0.0.0.0'
+        elif conn_type == "full_network_unsecured":
+            self._ipc_authkey = None
+            self._ipc_address = '0.0.0.0'
+        elif conn_type == "local_network_unsecured":
+            self._ipc_authkey = None
+
+        self._subscribe_to_events()
+
+    def _subscribe_to_events(self):
+        event_system.subscribe("post_file_to_ipc", self.send_ipc_message)
+
+
+    def create_ipc_listener(self) -> None:
+        if self._conn_type == "socket":
+            if os.path.exists(self._ipc_address) and settings_manager.is_dirty_start():
+                os.unlink(self._ipc_address)
+
+            listener = Listener(address=self._ipc_address, family="AF_UNIX", authkey=self._ipc_authkey)
+        elif "unsecured" not in self._conn_type:
+            listener = Listener((self._ipc_address, self._ipc_port), authkey=self._ipc_authkey)
+        else:
+            listener = Listener((self._ipc_address, self._ipc_port))
+
+
+        self.is_ipc_alive = True
+        self._run_ipc_loop(listener)
+
+    @daemon_threaded
+    def _run_ipc_loop(self, listener) -> None:
+        # NOTE: Not thread safe if using with Gtk. Need to import GLib and use idle_add
+        while True:
+            try:
+                conn       = listener.accept()
+                start_time = time.perf_counter()
+                self._handle_ipc_message(conn, start_time)
+            except Exception as e:
+                logger.debug( repr(e) )
+
+        listener.close()
+
+    def _handle_ipc_message(self, conn, start_time) -> None:
+        while True:
+            msg = conn.recv()
+            logger.debug(msg)
+
+            if "FILE|" in msg:
+                file = msg.split("FILE|")[1].strip()
+                if file:
+                    event_system.emit("handle_file_from_ipc", file)
+
+            if "DIR|" in msg:
+                file = msg.split("DIR|")[1].strip()
+                if file:
+                    event_system.emit("handle_dir_from_ipc", file)
+
+                conn.close()
+                break
+
+
+            if msg in ['close connection', 'close server']:
+                conn.close()
+                break
+
+            # NOTE: Not perfect but insures we don't lock up the connection for too long.
+            end_time = time.perf_counter()
+            if (end_time - start_time) > self._ipc_timeout:
+                conn.close()
+                break
+
+
+    def send_ipc_message(self, message: str = "Empty Data...") -> None:
+        try:
+            if self._conn_type == "socket":
+                conn = Client(address=self._ipc_address, family="AF_UNIX", authkey=self._ipc_authkey)
+            elif "unsecured" not in self._conn_type:
+                conn = Client((self._ipc_address, self._ipc_port), authkey=self._ipc_authkey)
+            else:
+                conn = Client((self._ipc_address, self._ipc_port))
+
+            conn.send(message)
+            conn.close()
+        except ConnectionRefusedError as e:
+            logger.error("Connection refused...")
+        except Exception as e:
+            logger.error( repr(e) )
+
+
+    def send_test_ipc_message(self, message: str = "Empty Data...") -> None:
+        try:
+            if self._conn_type == "socket":
+                conn = Client(address=self._ipc_address, family="AF_UNIX", authkey=self._ipc_authkey)
+            elif "unsecured" not in self._conn_type:
+                conn = Client((self._ipc_address, self._ipc_port), authkey=self._ipc_authkey)
+            else:
+                conn = Client((self._ipc_address, self._ipc_port))
+
+            conn.send(message)
+            conn.close()
+        except ConnectionRefusedError as e:
+            if self._conn_type == "socket":
+                logger.error("IPC Socket no longer valid.... Removing.")
+                os.unlink(self._ipc_address)
+        except Exception as e:
+            logger.error( repr(e) )

src/libs/keybindings.py

@@ -0,0 +1,138 @@
+# Python imports
+import re
+
+# Lib imports
+import gi
+gi.require_version('Gdk', '3.0')
+from gi.repository import Gdk
+
+# Application imports
+from .singleton import Singleton
+
+
+
+def logger(log = ""):
+    print(log)
+
+
+class KeymapError(Exception):
+    """ Custom exception for errors in keybinding configurations """
+
+MODIFIER = re.compile('<([^<]+)>')
+class Keybindings(Singleton):
+    """ Class to handle loading and lookup of Terminator keybindings """
+
+    modifiers = {
+        'ctrl':     Gdk.ModifierType.CONTROL_MASK,
+        'control':  Gdk.ModifierType.CONTROL_MASK,
+        'primary':  Gdk.ModifierType.CONTROL_MASK,
+        'shift':    Gdk.ModifierType.SHIFT_MASK,
+        'alt':      Gdk.ModifierType.MOD1_MASK,
+        'super':    Gdk.ModifierType.SUPER_MASK,
+        'hyper':    Gdk.ModifierType.HYPER_MASK,
+        'mod2':	    Gdk.ModifierType.MOD2_MASK
+    }
+
+    empty   = {}
+    keys    = None
+    _masks  = None
+    _lookup = None
+
+    def __init__(self):
+        self.keymap = Gdk.Keymap.get_default()
+        self.configure({})
+
+    def print_keys(self):
+        print(self.keys)
+
+    def append_bindings(self, combos):
+        """ Accept new binding(s) and reload """
+        for item in combos:
+            method, keys = item.split(":")
+            self.keys[method] = keys
+
+        self.reload()
+
+    def configure(self, bindings):
+        """ Accept new bindings and reconfigure with them """
+        self.keys = bindings
+        self.reload()
+
+    def reload(self):
+        """ Parse bindings and mangle into an appropriate form """
+        self._lookup = {}
+        self._masks  = 0
+
+        for action, bindings in list(self.keys.items()):
+            if isinstance(bindings, list):
+                bindings = (*bindings,)
+            elif not isinstance(bindings, tuple):
+                bindings = (bindings,)
+
+
+            for binding in bindings:
+                if not binding or binding == "None":
+                    continue
+
+                try:
+                    keyval, mask = self._parsebinding(binding)
+                    # Does much the same, but with worse error handling.
+                    # keyval, mask = Gtk.accelerator_parse(binding)
+                except KeymapError as e:
+                  logger(f"Keybinding reload failed to parse binding '{binding}': {e}")
+                else:
+                    if mask & Gdk.ModifierType.SHIFT_MASK:
+                        if keyval == Gdk.KEY_Tab:
+                            keyval = Gdk.KEY_ISO_Left_Tab
+                            mask &= ~Gdk.ModifierType.SHIFT_MASK
+                        else:
+                            keyvals = Gdk.keyval_convert_case(keyval)
+                            if keyvals[0] != keyvals[1]:
+                                keyval = keyvals[1]
+                                mask &= ~Gdk.ModifierType.SHIFT_MASK
+                    else:
+                        keyval = Gdk.keyval_to_lower(keyval)
+
+                    self._lookup.setdefault(mask, {})
+                    self._lookup[mask][keyval] = action
+                    self._masks |= mask
+
+    def _parsebinding(self, binding):
+        """ Parse an individual binding using Gtk's binding function """
+        mask = 0
+        modifiers = re.findall(MODIFIER, binding)
+
+        if modifiers:
+            for modifier in modifiers:
+                mask |= self._lookup_modifier(modifier)
+
+        key = re.sub(MODIFIER, '', binding)
+        if key == '':
+            raise KeymapError('No key found!')
+
+        keyval = Gdk.keyval_from_name(key)
+
+        if keyval == 0:
+            raise KeymapError(f"Key '{key}' is unrecognised...")
+        return (keyval, mask)
+
+    def _lookup_modifier(self, modifier):
+        """ Map modifier names to gtk values """
+        try:
+            return self.modifiers[modifier.lower()]
+        except KeyError:
+            raise KeymapError(f"Unhandled modifier '<{modifier}>'")
+
+    def lookup(self, event):
+        """ Translate a keyboard event into a mapped key """
+        try:
+            _found, keyval, _egp, _lvl, consumed = self.keymap.translate_keyboard_state(
+                                              event.hardware_keycode,
+                                              Gdk.ModifierType(event.get_state() & ~Gdk.ModifierType.LOCK_MASK),
+                                              event.group)
+        except TypeError:
+            logger(f"Keybinding lookup failed to translate keyboard event: {dir(event)}")
+            return None
+
+        mask = (event.get_state() & ~consumed) & self._masks
+        return self._lookup.get(mask, self.empty).get(keyval, None)

src/libs/logger.py

@@ -0,0 +1,61 @@
+# Python imports
+import os
+import logging
+
+# Lib imports
+
+# Application imports
+from .singleton import Singleton
+
+
+
+class Logger(Singleton):
+    """
+        Create a new logging object and return it.
+        :note:
+            NOSET     # Don't know the actual log level of this... (defaulting or literally none?)
+            Log Levels (From least to most)
+                Type      Value
+                CRITICAL   50
+                ERROR      40
+                WARNING    30
+                INFO       20
+                DEBUG      10
+        :param loggerName: Sets the name of the logger object. (Used in log lines)
+        :param createFile: Whether we create a log file or just pump to terminal
+
+        :return: the logging object we created
+    """
+
+    def __init__(self, config_path: str, _ch_log_lvl = logging.CRITICAL,  _fh_log_lvl = logging.INFO):
+        self._CONFIG_PATH = config_path
+        self.global_lvl   = logging.DEBUG  # Keep this at highest so that handlers can filter to their desired levels
+        self.ch_log_lvl   = _ch_log_lvl    # Prety much the only one we ever change
+        self.fh_log_lvl   = _fh_log_lvl
+
+    def get_logger(self, loggerName: str = "NO_LOGGER_NAME_PASSED", createFile: bool = True) -> logging.Logger:
+        log          = logging.getLogger(loggerName)
+        log.setLevel(self.global_lvl)
+
+        # Set our log output styles
+        fFormatter   = logging.Formatter('[%(asctime)s] %(pathname)s:%(lineno)d %(levelname)s - %(message)s', '%m-%d %H:%M:%S')
+        cFormatter   = logging.Formatter('%(pathname)s:%(lineno)d] %(levelname)s - %(message)s')
+
+        ch = logging.StreamHandler()
+        ch.setLevel(level=self.ch_log_lvl)
+        ch.setFormatter(cFormatter)
+        log.addHandler(ch)
+
+        if createFile:
+            folder = self._CONFIG_PATH
+            file   = f"{folder}/application.log"
+
+            if not os.path.exists(folder):
+                os.mkdir(folder)
+
+            fh = logging.FileHandler(file)
+            fh.setLevel(level=self.fh_log_lvl)
+            fh.setFormatter(fFormatter)
+            log.addHandler(fh)
+
+        return log

src/libs/mixins/__init__.py

@@ -0,0 +1,3 @@
+"""
+    Utils/Mixins module
+"""

src/libs/mixins/dnd_mixin.py

@@ -0,0 +1,70 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+gi.require_version('Gdk', '3.0')
+from gi.repository import Gtk
+from gi.repository import Gdk
+from gi.repository import Gio
+
+# Application imports
+
+
+
+class DnDMixin:
+
+    def _setup_dnd(self):
+        flags   = Gtk.DestDefaults.ALL
+
+        PLAIN_TEXT_TARGET_TYPE = 70
+        URI_TARGET_TYPE        = 80
+
+        text_target = Gtk.TargetEntry.new('text/plain', Gtk.TargetFlags(0), PLAIN_TEXT_TARGET_TYPE)
+        uri_target  = Gtk.TargetEntry.new('text/uri-list', Gtk.TargetFlags(0), URI_TARGET_TYPE)
+
+        # targets     = [ text_target, uri_target ]
+        targets     = [ uri_target ]
+
+        action      = Gdk.DragAction.COPY
+
+        self.drag_dest_set_target_list(targets)
+        # self.drag_dest_set(flags, targets, action)
+
+        self._setup_dnd_signals()
+
+    def _setup_dnd_signals(self):
+        self.connect("drag-motion",        self._on_drag_motion)
+        self.connect('drag-drop',          self._on_drag_set)
+        self.connect("drag-data-received", self._on_drag_data_received)
+
+    def _on_drag_motion(self, widget, drag_context, x, y, time):
+        Gdk.drag_status(drag_context, drag_context.get_actions(), time)
+
+        return False
+
+    def _on_drag_set(self, widget, drag_context, data, info, time):
+        self.drag_get_data(drag_context, drag_context.list_targets()[-1], time)
+
+        return False
+
+    def _on_drag_data_received(self, widget, drag_context, x, y, data, info, time):
+        if info == 70: return
+
+        if info == 80:
+            uris   = data.get_uris()
+            files  = []
+
+            if len(uris) == 0:
+                uris = data.get_text().split("\n")
+
+            for uri in uris:
+                gfile = None
+                try:
+                    gfile = Gio.File.new_for_uri(uri)
+                except Exception as e:
+                    gfile = Gio.File.new_for_path(uri)
+
+                files.append(gfile)
+
+            event_system.emit('set_pre_drop_dnd', (files,))

src/libs/models.py

@@ -0,0 +1,15 @@
+# Python imports
+from typing import Optional
+
+# Lib imports
+from sqlmodel import SQLModel, Field
+
+# Application imports
+
+
+
+class User(SQLModel, table = True):
+    id: Optional[int] = Field(default = None, primary_key = True)
+    name: str
+    password: str
+    email: Optional[str] = None

src/libs/settings_manager/__init__.py

@@ -0,0 +1,4 @@
+"""
+    Settings module
+"""
+from .manager import SettingsManager

src/libs/settings_manager/manager.py

@@ -0,0 +1,193 @@
+# Python imports
+import signal
+import io
+import json
+import inspect
+import zipfile
+
+from os import path
+from os import mkdir
+
+# Lib imports
+
+# Application imports
+from ..singleton import Singleton
+from .start_check_mixin import StartCheckMixin
+from .markdown_template_mixin import MarkdownTemplateMixin
+from .options.settings import Settings
+
+
+
+class MissingConfigError(Exception):
+    pass
+
+
+
+class SettingsManager(StartCheckMixin, MarkdownTemplateMixin, Singleton):
+    def __init__(self):
+        self._SCRIPT_PTH        = path.dirname(path.realpath(__file__))
+        self._USER_HOME         = path.expanduser('~')
+        self._HOME_CONFIG_PATH  = f"{self._USER_HOME}/.config/{app_name.lower()}"
+        self._USR_PATH          = f"/usr/share/{app_name.lower()}"
+        self._USR_CONFIG_FILE   = f"{self._USR_PATH}/settings.json"
+
+        self._CONTEXT_PATH      = f"{self._HOME_CONFIG_PATH}/context_path"
+        self._PLUGINS_PATH      = f"{self._HOME_CONFIG_PATH}/plugins"
+        self._DEFAULT_ICONS     = f"{self._HOME_CONFIG_PATH}/icons"
+        self._CONFIG_FILE       = f"{self._HOME_CONFIG_PATH}/settings.json"
+        self._GLADE_FILE        = f"{self._HOME_CONFIG_PATH}/Main_Window.glade"
+        self._CSS_FILE          = f"{self._HOME_CONFIG_PATH}/stylesheet.css"
+        self._KEY_BINDINGS_FILE = f"{self._HOME_CONFIG_PATH}/key-bindings.json"
+        self._PID_FILE          = f"{self._HOME_CONFIG_PATH}/{app_name.lower()}.pid"
+        self._UI_WIDEGTS_PATH   = f"{self._HOME_CONFIG_PATH}/ui_widgets"
+        self._CONTEXT_MENU      = f"{self._HOME_CONFIG_PATH}/contexct_menu.json"
+        self._WINDOW_ICON       = f"{self._DEFAULT_ICONS}/{app_name.lower()}.png"
+
+        # self._USR_CONFIG_FILE   = f"{self._USR_PATH}/settings.json"
+        # self._PLUGINS_PATH      = f"plugins"
+        # self._CONFIG_FILE       = f"settings.json"
+        # self._GLADE_FILE        = f"Main_Window.glade"
+        # self._CSS_FILE          = f"stylesheet.css"
+        # self._KEY_BINDINGS_FILE = f"key-bindings.json"
+        # self._PID_FILE          = f"{app_name.lower()}.pid"
+        # self._WINDOW_ICON       = f"{app_name.lower()}.png"
+        # self._UI_WIDEGTS_PATH   = f"ui_widgets"
+        # self._CONTEXT_MENU      = f"contexct_menu.json"
+        # self._DEFAULT_ICONS     = f"icons"
+
+
+        # with zipfile.ZipFile("files.zip", mode="r", allowZip64=True) as zf:
+        #     with io.TextIOWrapper(zf.open("text1.txt"), encoding="utf-8") as f:
+
+
+        if not path.exists(self._HOME_CONFIG_PATH):
+            mkdir(self._HOME_CONFIG_PATH)
+        if not path.exists(self._PLUGINS_PATH):
+            mkdir(self._PLUGINS_PATH)
+
+        if not path.exists(self._DEFAULT_ICONS):
+            self._DEFAULT_ICONS = f"{self._USR_PATH}/icons"
+            if not path.exists(self._DEFAULT_ICONS):
+                raise MissingConfigError("Unable to find the application icons directory.")
+        if not path.exists(self._GLADE_FILE):
+            self._GLADE_FILE   = f"{self._USR_PATH}/Main_Window.glade"
+            if not path.exists(self._GLADE_FILE):
+                raise MissingConfigError("Unable to find the application Glade file.")
+        if not path.exists(self._KEY_BINDINGS_FILE):
+            self._KEY_BINDINGS_FILE = f"{self._USR_PATH}/key-bindings.json"
+            if not path.exists(self._KEY_BINDINGS_FILE):
+                raise MissingConfigError("Unable to find the application Keybindings file.")
+        if not path.exists(self._CSS_FILE):
+            self._CSS_FILE     = f"{self._USR_PATH}/stylesheet.css"
+            if not path.exists(self._CSS_FILE):
+                raise MissingConfigError("Unable to find the application Stylesheet file.")
+        if not path.exists(self._WINDOW_ICON):
+            self._WINDOW_ICON  = f"{self._USR_PATH}/icons/{app_name.lower()}.png"
+            if not path.exists(self._WINDOW_ICON):
+                raise MissingConfigError("Unable to find the application icon.")
+        if not path.exists(self._UI_WIDEGTS_PATH):
+            self._UI_WIDEGTS_PATH  = f"{self._USR_PATH}/ui_widgets"
+        if not path.exists(self._CONTEXT_MENU):
+            self._CONTEXT_MENU  = f"{self._USR_PATH}/contexct_menu.json"
+
+
+        try:
+            with open(self._KEY_BINDINGS_FILE) as file:
+                bindings = json.load(file)["keybindings"]
+                keybindings.configure(bindings)
+        except Exception as e:
+            print( f"Settings Manager: {self._KEY_BINDINGS_FILE}\n\t\t{repr(e)}" )
+
+        try:
+            with open(self._CONTEXT_MENU) as file:
+                self._context_menu_data = json.load(file)
+        except Exception as e:
+            print( f"Settings Manager: {self._CONTEXT_MENU}\n\t\t{repr(e)}" )
+
+
+        self.settings: Settings = None
+        self._main_window       = None
+        self._builder           = None
+        self.PAINT_BG_COLOR     = (0, 0, 0, 0.0)
+
+        self._trace_debug       = False
+        self._debug             = False
+        self._dirty_start       = False
+
+
+    def register_signals_to_builder(self, classes=None):
+        handlers = {}
+
+        for c in classes:
+            methods = None
+            try:
+                methods = inspect.getmembers(c, predicate=inspect.ismethod)
+                handlers.update(methods)
+            except Exception as e:
+                ...
+
+        self._builder.connect_signals(handlers)
+
+    def set_main_window(self, window): self._main_window  = window
+    def set_builder(self, builder) -> any:  self._builder = builder
+
+
+    def get_monitor_data(self) -> list:
+        screen = self._main_window.get_screen()
+        monitors = []
+        for m in range(screen.get_n_monitors()):
+            monitors.append(screen.get_monitor_geometry(m))
+            print("{}x{}+{}+{}".format(monitor.width, monitor.height, monitor.x, monitor.y))
+
+        return monitors
+
+    def get_main_window(self)        -> any: return self._main_window
+    def get_builder(self)            -> any: return self._builder
+    def get_paint_bg_color(self)     -> any: return self.PAINT_BG_COLOR
+    def get_glade_file(self)         -> str: return self._GLADE_FILE
+    def get_ui_widgets_path(self)    -> str: return self._UI_WIDEGTS_PATH
+    def get_context_menu_data(self)  -> str: return self._context_menu_data
+
+    def get_context_path(self)     -> str:   return self._CONTEXT_PATH
+    def get_plugins_path(self)     -> str:   return self._PLUGINS_PATH
+    def get_icon_theme(self)       -> str:   return self._ICON_THEME
+    def get_css_file(self)         -> str:   return self._CSS_FILE
+    def get_home_config_path(self) -> str:   return self._HOME_CONFIG_PATH
+    def get_window_icon(self)      -> str:   return self._WINDOW_ICON
+    def get_home_path(self)        -> str:   return self._USER_HOME
+
+    def is_trace_debug(self)       -> str:   return self._trace_debug
+    def is_debug(self)             -> str:   return self._debug
+
+    def call_method(self, target_class = None, _method_name = None, data = None):
+        method_name = str(_method_name)
+        method      = getattr(target_class, method_name, lambda data: f"No valid key passed...\nkey={method_name}\nargs={data}")
+        return method(data) if data else method()
+
+    def set_main_window_x(self, x = 0):  self.settings.config.main_window_x  = x
+    def set_main_window_y(self, y = 0):  self.settings.config.main_window_y  = y
+    def set_main_window_width(self, width = 800):   self.settings.config.main_window_width  = width
+    def set_main_window_height(self, height = 600): self.settings.config.main_window_height = height
+    def set_main_window_min_width(self, width = 720):   self.settings.config.main_window_min_width  = width
+    def set_main_window_min_height(self, height = 480): self.settings.config.main_window_min_height = height
+
+    def set_trace_debug(self, trace_debug):
+        self._trace_debug = trace_debug
+
+    def set_debug(self, debug):
+        self._debug = debug
+
+
+    def load_settings(self):
+        if not path.exists(self._CONFIG_FILE):
+            self.settings = Settings()
+            return
+
+        with open(self._CONFIG_FILE) as file:
+            data          = json.load(file)
+            data["load_defaults"] = False
+            self.settings = Settings(**data)
+
+    def save_settings(self):
+        with open(self._CONFIG_FILE, 'w') as outfile:
+            json.dump(self.settings.as_dict(), outfile, separators=(',', ':'), indent=4)

src/libs/settings_manager/markdown_template_mixin.py

@@ -0,0 +1,60 @@
+# Python imports
+
+# Lib imports
+
+# Application imports
+
+
+
+class MarkdownTemplateMixin:
+    def wrap_html_to_body(self, html):
+        return f"""\
+<!DOCTYPE html>
+<html lang="en" dir="ltr">
+<head>
+    <meta charset="utf-8">
+    <title>Markdown View</title>
+    <style media="screen">
+        html, body {{
+            display: block;
+            background-color: #32383e00;
+            color: #ffffff;
+            text-wrap: wrap;
+        }}
+        
+        img {{
+            width: 100%;
+            height: auto;
+        }}
+        
+        code {{
+            border: 1px solid #32383e;
+            background-color: #32383e;
+            padding: 4px;
+        }}
+    </style>
+
+</head>
+<body>
+
+    {html}
+    <span>Button in WebView
+        <button onclick="say_hello()">Button in WebView</button>
+    </span>
+
+
+    <!-- For internal scripts... -->
+    <script src="js/libs/jquery-3.7.1.min.js"></script>
+
+    <!-- For Bootstrap... -->
+    <script src="resources/js/libs/bootstrap5/bootstrap.bundle.min.js"></script>
+
+    <!-- For Application... -->
+    <script src="resources/js/ui-logic.js"></script>
+    <script src="resources/js/post-ajax.js"></script>
+    <script src="resources/js/ajax.js"></script>
+    <script src="resources/js/events.js"></script>
+</body>
+</html>
+
+"""

src/libs/settings_manager/options/__init__.py

@@ -0,0 +1,8 @@
+"""
+    Options module
+"""
+from .settings import Settings
+from .config import Config
+from .filters import Filters
+from .theming import Theming
+from .debugging import Debugging

src/libs/settings_manager/options/config.py

@@ -0,0 +1,39 @@
+# Python imports
+from dataclasses import dataclass, field
+
+# Lib imports
+
+# Application imports
+
+
+@dataclass
+class Config:
+    base_of_home: str                = ""
+    hide_hidden_files: str           = "true"
+    thumbnailer_path: str            = "ffmpegthumbnailer"
+    blender_thumbnailer_path: str    = ""
+    go_past_home: str                = "true"
+    lock_folder: str                 = "false"
+    locked_folders: list               = field(default_factory=lambda: [ "venv", "flasks" ])
+    mplayer_options: str             = "-quiet -really-quiet -xy 1600 -geometry 50%:50%",
+    music_app: str                   = "/opt/deadbeef/bin/deadbeef"
+    media_app: str                   = "mpv"
+    image_app: str                   = "mirage"
+    office_app: str                  = "libreoffice"
+    pdf_app: str                     = "evince"
+    code_app: str                    = "atom"
+    text_app: str                    = "leafpad"
+    file_manager_app: str            = "solarfm"
+    terminal_app: str                = "terminator"
+    remux_folder_max_disk_usage: str = "8589934592"
+    make_transparent: int            = 0
+    main_window_x: int               = 721
+    main_window_y: int               = 465
+    main_window_min_width: int       = 720
+    main_window_min_height: int      = 480
+    main_window_width: int           = 800
+    main_window_height: int          = 600
+    application_dirs: list           = field(default_factory=lambda: [
+        "/usr/share/applications",
+        f"{settings_manager.get_home_path()}/.local/share/applications"
+    ])

src/libs/settings_manager/options/debugging.py

@@ -0,0 +1,12 @@
+# Python imports
+from dataclasses import dataclass
+
+# Lib imports
+
+# Application imports
+
+
+@dataclass
+class Debugging:
+   ch_log_lvl: int = 10
+   fh_log_lvl: int = 20

src/libs/settings_manager/options/filters.py

@@ -0,0 +1,90 @@
+# Python imports
+from dataclasses import dataclass, field
+
+# Lib imports
+
+# Application imports
+
+
+@dataclass
+class Filters:
+    meshs: list = field(default_factory=lambda: [
+        ".blend",
+        ".dae",
+        ".fbx",
+        ".gltf",
+        ".obj",
+        ".stl"
+    ])
+    code: list = field(default_factory=lambda: [
+        ".cpp",
+        ".css",
+        ".c",
+        ".go",
+        ".html",
+        ".htm",
+        ".java",
+        ".js",
+        ".json",
+        ".lua",
+        ".md",
+        ".py",
+        ".rs",
+        ".toml",
+        ".xml",
+        ".pom"
+    ])
+    videos: list = field(default_factory=lambda:[
+        ".mkv",
+        ".mp4",
+        ".webm",
+        ".avi",
+        ".mov",
+        ".m4v",
+        ".mpg",
+        ".mpeg",
+        ".wmv",
+        ".flv"
+    ])
+    office: list = field(default_factory=lambda: [
+        ".doc",
+        ".docx",
+        ".xls",
+        ".xlsx",
+        ".xlt",
+        ".xltx",
+        ".xlm",
+        ".ppt",
+        ".pptx",
+        ".pps",
+        ".ppsx",
+        ".odt",
+        ".rtf"
+    ])
+    images: list = field(default_factory=lambda: [
+        ".png",
+        ".jpg",
+        ".jpeg",
+        ".gif",
+        ".ico",
+        ".tga",
+        ".webp"
+    ])
+    text: list = field(default_factory=lambda: [
+        ".txt",
+        ".text",
+        ".sh",
+        ".cfg",
+        ".conf",
+        ".log"
+    ])
+    music: list = field(default_factory=lambda: [
+        ".psf",
+        ".mp3",
+        ".ogg",
+        ".flac",
+        ".m4a"
+    ])
+    pdf: list = field(default_factory=lambda: [
+        ".pdf"
+    ])

src/libs/settings_manager/options/settings.py

@@ -0,0 +1,31 @@
+# Python imports
+from dataclasses import dataclass, field
+from dataclasses import asdict
+
+# Gtk imports
+
+# Application imports
+from .config import Config
+from .filters import Filters
+from .theming import Theming
+from .debugging import Debugging
+
+
+@dataclass
+class Settings:
+    load_defaults: bool  = True
+    config: Config       = field(default_factory=lambda: Config())
+    filters: Filters     = field(default_factory=lambda: Filters())
+    theming: Theming     = field(default_factory=lambda: Theming())
+    debugging: Debugging = field(default_factory=lambda: Debugging())
+
+    def __post_init__(self):
+        if not self.load_defaults:
+            self.load_defaults = False
+            self.config        = Config(**self.config)
+            self.filters       = Filters(**self.filters)
+            self.theming       = Theming(**self.theming)
+            self.debugging     = Debugging(**self.debugging)
+
+    def as_dict(self):
+        return asdict(self)

src/libs/settings_manager/options/theming.py

@@ -0,0 +1,14 @@
+# Python imports
+from dataclasses import dataclass
+
+# Lib imports
+
+# Application imports
+
+
+@dataclass
+class Theming:
+    transparency: int  = 64
+    success_color: str = "#88cc27"
+    warning_color: str = "#ffa800"
+    error_color: str   = "#ff0000"

src/libs/settings_manager/start_check_mixin.py

@@ -0,0 +1,63 @@
+# Python imports
+import os
+import json
+import inspect
+
+# Lib imports
+
+# Application imports
+
+
+
+
+class StartCheckMixin:
+    def is_dirty_start(self) -> bool:
+        return self._dirty_start
+
+    def clear_pid(self):
+        if not self.is_trace_debug():
+            self._clean_pid()
+
+    def do_dirty_start_check(self):
+        if self.is_trace_debug():
+            pid = os.getpid()
+            self._print_pid(pid)
+            return
+
+        if os.path.exists(self._PID_FILE):
+            with open(self._PID_FILE, "r") as f:
+                pid = f.readline().strip()
+                if pid not in ("", None):
+                    if self.is_pid_alive( int(pid) ):
+                        print("PID file exists and PID is alive... Letting downstream errors (sans debug args) handle app closure propigation.")
+                        return
+
+        self._write_new_pid()
+
+    """ Check For the existence of a unix pid. """
+    def is_pid_alive(self, pid):
+        print(f"PID Found: {pid}")
+
+        try:
+            os.kill(pid, 0)
+        except OSError:
+            print(f"{app_name} PID file exists but PID is irrelevant; starting dirty...")
+            self._dirty_start = True
+            return False
+
+        return True
+
+    def _write_new_pid(self):
+        pid = os.getpid()
+        self._write_pid(pid)
+        self._print_pid(pid)
+
+    def _print_pid(self, pid):
+        print(f"{app_name} PID:  {pid}")
+
+    def _clean_pid(self):
+        os.unlink(self._PID_FILE)
+
+    def _write_pid(self, pid):
+        with open(self._PID_FILE, "w") as _pid:
+            _pid.write(f"{pid}")

src/libs/singleton.py

@@ -0,0 +1,24 @@
+# Python imports
+
+# Lib imports
+
+# Application imports
+
+
+
+class SingletonError(Exception):
+    pass
+
+
+
+class Singleton:
+    ccount = 0
+
+    def __new__(cls, *args, **kwargs):
+        obj        = super(Singleton, cls).__new__(cls)
+        cls.ccount += 1
+
+        if cls.ccount == 2:
+            raise SingletonError(f"Exceeded {cls.__name__} instantiation limit...")
+
+        return obj