initial commit

src/__builtins__.py

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+# Python imports
+import builtins
+import traceback
+import threading
+import sys
+
+# Lib imports
+
+# Application imports
+# from libs.db import DB
+from libs.event_system import EventSystem
+from libs.endpoint_registry import EndpointRegistry
+from libs.keybindings import Keybindings
+from libs.logger import Logger
+from libs.settings.manager import SettingsManager
+
+
+
+# NOTE: Threads WILL NOT die with parent's destruction.
+def threaded_wrapper(fn):
+    def wrapper(*args, **kwargs):
+        thread = threading.Thread(target = fn, args = args, kwargs = kwargs, daemon = False)
+        thread.start()
+        return thread
+    return wrapper
+
+# NOTE: Threads WILL die with parent's destruction.
+def daemon_threaded_wrapper(fn):
+    def wrapper(*args, **kwargs):
+        thread = threading.Thread(target = fn, args = args, kwargs = kwargs, daemon = True)
+        thread.start()
+        return thread
+    return wrapper
+
+def call_chain_wrapper(fn):
+    def wrapper(*args, **kwargs):
+        print()
+        print()
+        for line in traceback.format_stack():
+            print( line.strip() )
+        print()
+        print()
+
+        return fn(*args, **kwargs)
+    return wrapper
+
+
+# NOTE: Just reminding myself we can add to builtins two different ways...
+# __builtins__.update({"event_system": Builtins()})
+builtins.APP_NAME          = "Newton"
+
+builtins.keybindings       = Keybindings()
+builtins.event_system      = EventSystem()
+builtins.endpoint_registry = EndpointRegistry()
+builtins.settings_manager  = SettingsManager()
+# builtins.db                = DB()
+
+settings_manager.load_settings()
+
+builtins.logger            = Logger(
+                                settings_manager.path_manager.get_home_config_path(), \
+                                _ch_log_lvl = settings_manager.settings.debugging.ch_log_lvl, \
+                                _fh_log_lvl = settings_manager.settings.debugging.fh_log_lvl
+                            ).get_logger()
+
+builtins.threaded          = threaded_wrapper
+builtins.daemon_threaded   = daemon_threaded_wrapper
+builtins.call_chain        = call_chain_wrapper
+
+
+
+# def custom_except_hook(exc_type, exc_value, exc_traceback):
+#     if issubclass(exc_type, KeyboardInterrupt):
+#         sys.__excepthook__(exc_type, exc_value, exc_traceback)
+#         return
+
+#     logger.error("Uncaught exception", exc_info = (exc_type, exc_value, exc_traceback))
+
+# sys.excepthook = custom_except_hook

src/__init__.py

@@ -0,0 +1,3 @@
+"""
+    Src Package.
+"""

src/__main__.py

@@ -0,0 +1,58 @@
+#!/usr/bin/python3
+
+# Python imports
+import argparse
+import faulthandler
+import traceback
+from setproctitle import setproctitle
+
+import tracemalloc
+tracemalloc.start()
+
+# Lib imports
+
+# Application imports
+from __builtins__ import *
+from app import Application
+
+
+
+def main():
+    setproctitle(f'{APP_NAME}')
+    settings_manager.set_start_load_time()
+
+    if args.debug == "true":
+        settings_manager.set_debug(True)
+
+    if args.trace_debug == "true":
+        settings_manager.set_trace_debug(True)
+
+    settings_manager.do_dirty_start_check()
+
+    app = Application()
+    app.run()
+
+
+
+if __name__ == "__main__":
+    ''' Set process title, get arguments, and create GTK main thread. '''
+
+    parser = argparse.ArgumentParser()
+    # Add long and short arguments
+    parser.add_argument("--debug", "-d", default = "false", help = "Do extra console messaging.")
+    parser.add_argument("--trace-debug", "-td", default = "false", help = "Disable saves, ignore IPC lock, do extra console messaging.")
+    parser.add_argument("--no-plugins", "-np", default = "false", help = "Do not load plugins.")
+
+    parser.add_argument("--new-tab", "-nt", default = "false", help = "Opens a 'New Tab' if a handler is set for it.")
+    parser.add_argument("--file", "-f", default = "default", help =  "JUST SOME FILE ARG.")
+
+    # Read arguments (If any...)
+    args, unknownargs = parser.parse_known_args()
+    settings_manager.set_starting_args( args, unknownargs )
+
+    try:
+        faulthandler.enable()  # For better debug info
+        main()
+    except Exception as e:
+        traceback.print_exc()
+        quit()

src/app.py

@@ -0,0 +1,72 @@
+# Python imports
+from contextlib import suppress
+import signal
+import os
+
+# Lib imports
+
+# Application imports
+from libs.debugging import debug_signal_handler
+from libs.ipc_server import IPCServer
+from core.window import Window
+
+
+
+class AppLaunchException(Exception):
+    ...
+
+
+
+class Application:
+    """ docstring for Application. """
+
+    def __init__(self):
+        super(Application, self).__init__()
+
+        self.setup_debug_hook()
+
+
+    def run(self):
+        if not settings_manager.is_trace_debug():
+            if not self.load_ipc():
+                return
+
+        win = Window()
+        win.start()
+
+    def load_ipc(self):
+        args, \
+        unknownargs = settings_manager.get_starting_args()
+        ipc_server  = IPCServer()
+
+        self.ipc_realization_check(ipc_server)
+        if ipc_server.is_ipc_alive:
+            return True
+
+        logger.warning(f"{app_name} IPC Server Exists: Have sent path(s) to it and closing...")
+        for arg in unknownargs + [args.new_tab,]:
+            if os.path.isfile(arg):
+                message = f"FILE|{arg}"
+                ipc_server.send_ipc_message(message)
+
+            if os.path.isdir(arg):
+                message = f"DIR|{arg}"
+                ipc_server.send_ipc_message(message)
+
+        return False
+
+    def ipc_realization_check(self, ipc_server):
+        try:
+            ipc_server.create_ipc_listener()
+        except Exception:
+            ipc_server.send_test_ipc_message()
+
+    def setup_debug_hook(self):
+        # Typically: ValueError: signal only works in main thread
+        with suppress(ValueError):
+            # kill -SIGUSR2 <pid> from Linux/Unix or SIGBREAK signal from Windows
+            signal.signal(
+                vars(signal).get("SIGBREAK") or vars(signal).get("SIGUSR2"),
+                debug_signal_handler
+            )
+

src/core/__init__.py

@@ -0,0 +1,3 @@
+"""
+    Core Package
+"""

src/core/builder_wrapper.py

@@ -0,0 +1,33 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+
+# Application imports
+
+
+
+class BuilderWrapper(Gtk.Builder):
+    """docstring for BuilderWrapper."""
+
+    def __init__(self):
+        super(BuilderWrapper, self).__init__()
+
+        self.objects = {}
+
+    def get_object(self, id: str, use_gtk: bool = True) -> any:
+        if not use_gtk:
+            return self.objects[id]
+
+        return super(BuilderWrapper, self).get_object(id)
+
+    def expose_object(self, id: str, object: any, use_gtk: bool = True) -> None:
+        if not use_gtk:
+            self.objects[id] = object
+        else:
+            super(BuilderWrapper, self).expose_object(id, object)
+
+    def dereference_object(self, id: str) -> None:
+        del self.objects[id]

src/core/containers/base_container.py

@@ -0,0 +1,49 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+
+# Application imports
+from .header_container import HeaderContainer
+from .body_container import BodyContainer
+from .footer_container import FooterContainer
+
+
+
+class BaseContainer(Gtk.Box):
+    def __init__(self):
+        super(BaseContainer, self).__init__()
+
+        self._setup_styling()
+        self._setup_signals()
+        self._subscribe_to_events()
+        self._load_widgets()
+
+        self.show()
+
+
+    def _setup_styling(self):
+        self.ctx = self.get_style_context()
+        self.ctx.add_class("base-container")
+
+        self.set_orientation(Gtk.Orientation.VERTICAL)
+
+    def _setup_signals(self):
+        ...
+
+    def _subscribe_to_events(self):
+        event_system.subscribe("update-transparency", self._update_transparency)
+        event_system.subscribe("remove-transparency", self._remove_transparency)
+
+    def _load_widgets(self):
+        self.add( HeaderContainer() )
+        self.add( BodyContainer() )
+        self.add( FooterContainer() )
+
+    def _update_transparency(self):
+        self.ctx.add_class(f"mw_transparency_{settings_manager.settings.theming.transparency}")
+
+    def _remove_transparency(self):
+        self.ctx.remove_class(f"mw_transparency_{settings_manager.settings.theming.transparency}")

src/core/containers/body_container.py

@@ -0,0 +1,42 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+
+# Application imports
+from .left_container import LeftContainer
+from .center_container import CenterContainer
+from .right_container import RightContainer
+
+
+
+class BodyContainer(Gtk.Box):
+    def __init__(self):
+        super(BodyContainer, self).__init__()
+
+        self._setup_styling()
+        self._setup_signals()
+        self._subscribe_to_events()
+        self._load_widgets()
+
+        self.show()
+
+
+    def _setup_styling(self):
+        self.ctx = self.get_style_context()
+        self.ctx.add_class("body-container")
+
+        self.set_orientation(Gtk.Orientation.HORIZONTAL)
+
+    def _setup_signals(self):
+        ...
+
+    def _subscribe_to_events(self):
+        ...
+
+    def _load_widgets(self):
+        self.add( LeftContainer() )
+        self.add( CenterContainer() )
+        self.add( RightContainer() )

src/core/containers/center_container.py

@@ -0,0 +1,48 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+
+# Application imports
+from ..widgets.code.general_info_widget import GeneralInfoWidget
+from .code.code_container import CodeContainer
+from ..widgets.save_file_dialog import SaveFileDialog
+from ..widgets.controls.open_files_button import OpenFilesButton
+
+
+
+class CenterContainer(Gtk.Box):
+    def __init__(self):
+        super(CenterContainer, self).__init__()
+
+        self._setup_styling()
+        self._setup_signals()
+        self._subscribe_to_events()
+        self._load_widgets()
+
+        self.show()
+
+
+    def _setup_styling(self):
+        self.ctx = self.get_style_context()
+        self.ctx.add_class("center-container")
+
+        self.set_orientation(Gtk.Orientation.VERTICAL)
+        self.set_hexpand(True)
+        self.set_vexpand(True)
+
+
+    def _setup_signals(self):
+        ...
+
+    def _subscribe_to_events(self):
+        ...
+
+    def _load_widgets(self):
+        SaveFileDialog()
+        OpenFilesButton()
+
+        self.add( GeneralInfoWidget() )
+        self.add( CodeContainer() )

src/core/containers/code/__init__.py

@@ -0,0 +1,3 @@
+"""
+    Containers Package
+"""

src/core/containers/code/code_container.py

@@ -0,0 +1,38 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+
+# Application imports
+from ...widgets.code.tabs_widget import TabsWidget
+
+from .editors_container import EditorsContainer
+
+
+
+class CodeContainer(Gtk.Box):
+    def __init__(self):
+        super(CodeContainer, self).__init__()
+
+        self._setup_styling()
+        self._setup_signals()
+        self._subscribe_to_events()
+        self._load_widgets()
+
+        self.show_all()
+
+
+    def _setup_styling(self):
+        self.set_orientation(Gtk.Orientation.VERTICAL)
+
+    def _setup_signals(self):
+        ...
+
+    def _subscribe_to_events(self):
+        ...
+
+    def _load_widgets(self):
+        self.add( TabsWidget() )
+        self.add( EditorsContainer() )

src/core/containers/code/editors_container.py

@@ -0,0 +1,38 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+
+# Application imports
+from ...widgets.separator_widget import Separator
+from ...widgets.code.miniview_widget import MiniViewWidget
+from .paned_editors_container import PanedEditorsContainer
+
+
+
+class EditorsContainer(Gtk.Box):
+    def __init__(self):
+        super(EditorsContainer, self).__init__()
+
+        self._setup_styling()
+        self._setup_signals()
+        self._subscribe_to_events()
+        self._load_widgets()
+
+
+    def _setup_styling(self):
+        ...
+
+    def _setup_signals(self):
+        ...
+
+    def _subscribe_to_events(self):
+        ...
+
+    def _load_widgets(self):
+        self.add( Separator("separator_left") )
+        self.add( PanedEditorsContainer() )
+        self.add( Separator("separator_right") )
+        self.add( MiniViewWidget() )

src/core/containers/code/paned_editors_container.py

@@ -0,0 +1,69 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+from gi.repository import GLib
+
+# Application imports
+from ...widgets.code.view import SourceView
+
+
+
+class PanedEditorsContainer(Gtk.Paned):
+    def __init__(self):
+        super(PanedEditorsContainer, self).__init__()
+
+        self._setup_styling()
+        self._setup_signals()
+        self._subscribe_to_events()
+        self._load_widgets()
+
+
+    def _setup_styling(self):
+        self.ctx = self.get_style_context()
+        self.ctx.add_class("paned-editors-container")
+
+        self.set_hexpand(True)
+        self.set_vexpand(True)
+        # self.set_homogeneous(True)
+        self.set_wide_handle(True)
+
+    def _setup_signals(self):
+        self.map_id = self.connect("map", self._init_map)
+
+    def _subscribe_to_events(self):
+        ...
+
+    def _load_widgets(self):
+        scrolled_win1 = Gtk.ScrolledWindow()
+        scrolled_win2 = Gtk.ScrolledWindow()
+        source_view1  = SourceView()
+        source_view2  = SourceView()
+
+        source_view1.sibling_right = source_view2
+        source_view2.sibling_left  = source_view1
+
+        scrolled_win1.add( source_view1 )
+        scrolled_win2.add( source_view2 )
+
+        self.add1(scrolled_win1)
+        self.add2(scrolled_win2)
+
+    def _init_map(self, view):
+        def _first_show_init():
+            self.disconnect(self.map_id)
+            del self.map_id
+
+            self._handle_first_show()
+
+            return False
+
+        GLib.timeout_add(250, _first_show_init)
+
+    def _handle_first_show(self):
+        self.set_position(
+            self.get_allocated_width() / 2
+        )
+

src/core/containers/footer_container.py

@@ -0,0 +1,43 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+
+# Application imports
+from ..widgets.vte_widget import VteWidget
+
+
+
+class FooterContainer(Gtk.Box):
+    def __init__(self):
+        super(FooterContainer, self).__init__()
+
+
+        self._setup_styling()
+        self._setup_signals()
+        self._subscribe_to_events()
+        self._load_widgets()
+
+        self.show()
+
+
+    def _setup_styling(self):
+        self.ctx = self.get_style_context()
+        self.ctx.add_class("footer-container")
+
+        self.set_orientation(Gtk.Orientation.HORIZONTAL)
+        self.set_hexpand(True)
+
+    def _setup_signals(self):
+        ...
+
+    def _subscribe_to_events(self):
+        ...
+
+    def _load_widgets(self):
+        vte_widget = VteWidget()
+
+        vte_widget.hide()
+        self.add( vte_widget )

src/core/containers/header_container.py

@@ -0,0 +1,40 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+
+# Application imports
+from ..widgets.controls.transparency_scale import TransparencyScale
+
+
+
+class HeaderContainer(Gtk.Box):
+    def __init__(self):
+        super(HeaderContainer, self).__init__()
+
+        self._setup_styling()
+        self._setup_signals()
+        self._subscribe_to_events()
+        self._load_widgets()
+
+
+    def _setup_styling(self):
+        self.ctx = self.get_style_context()
+        self.ctx.add_class("header-container")
+
+        self.set_orientation(Gtk.Orientation.VERTICAL)
+        self.set_hexpand(True)
+
+    def _setup_signals(self):
+        ...
+
+    def _subscribe_to_events(self):
+        event_system.subscribe("tggl-top-main-menubar", self.tggl_top_main_menubar)
+
+    def _load_widgets(self):
+        self.add( TransparencyScale() )
+
+    def tggl_top_main_menubar(self):
+        self.hide() if self.is_visible() else self.show_all()

src/core/containers/left_container.py

@@ -0,0 +1,39 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+
+# Application imports
+from ..widgets.code.miniview_widget import MiniViewWidget
+
+
+
+class LeftContainer(Gtk.Box):
+    def __init__(self):
+        super(LeftContainer, self).__init__()
+
+        self._setup_styling()
+        self._setup_signals()
+        self._subscribe_to_events()
+        self._load_widgets()
+
+        self.show()
+
+
+    def _setup_styling(self):
+        self.ctx = self.get_style_context()
+        self.ctx.add_class("left-container")
+
+        self.set_orientation(Gtk.Orientation.VERTICAL)
+        self.set_vexpand(True)
+
+    def _setup_signals(self):
+        ...
+
+    def _subscribe_to_events(self):
+        ...
+
+    def _load_widgets(self):
+        ...

src/core/containers/right_container.py

@@ -0,0 +1,38 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+
+# Application imports
+
+
+
+class RightContainer(Gtk.Box):
+    def __init__(self):
+        super(RightContainer, self).__init__()
+
+        self._setup_styling()
+        self._setup_signals()
+        self._subscribe_to_events()
+        self._load_widgets()
+
+        self.show()
+
+
+    def _setup_styling(self):
+        self.ctx = self.get_style_context()
+        self.ctx.add_class("right-container")
+
+        self.set_orientation(Gtk.Orientation.VERTICAL)
+        self.set_vexpand(True)
+
+    def _setup_signals(self):
+        ...
+
+    def _subscribe_to_events(self):
+        ...
+
+    def _load_widgets(self):
+        ...

src/core/controllers/__init__.py

@@ -0,0 +1,3 @@
+"""
+    Controllers Package
+"""

src/core/controllers/base_controller.py

@@ -0,0 +1,71 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+
+# Application imports
+from libs.mixins.ipc_signals_mixin import IPCSignalsMixin
+from libs.mixins.keyboard_signals_mixin import KeyboardSignalsMixin
+
+from ..containers.base_container import BaseContainer
+
+from .base_controller_data import BaseControllerData
+from .bridge_controller import BridgeController
+
+
+
+class BaseController(IPCSignalsMixin, KeyboardSignalsMixin, BaseControllerData):
+    """ docstring for BaseController. """
+
+    def __init__(self):
+
+        self._setup_controller_data()
+        self._setup_styling()
+        self._setup_signals()
+        self._subscribe_to_events()
+        self._load_controllers()
+        self._load_plugins_and_files()
+
+        logger.info(f"Made it past {self.__class__} loading...")
+        settings_manager.set_end_load_time()
+        settings_manager.log_load_time()
+
+
+    def _setup_styling(self):
+        ...
+
+    def _setup_signals(self):
+        # self.window.connect("focus-out-event", self.unset_keys_and_data)
+        # self.window.connect("key-press-event", self.on_global_key_press_controller)
+        # self.window.connect("key-release-event", self.on_global_key_release_controller)
+        ...
+
+    def _subscribe_to_events(self):
+        event_system.subscribe("shutting-down", lambda: print("Shutting down..."))
+        event_system.subscribe("handle-file-from-ipc", self.handle_file_from_ipc)
+        event_system.subscribe("handle-dir-from-ipc", self.handle_dir_from_ipc)
+        event_system.subscribe("tggl-top-main-menubar", self._tggl_top_main_menubar)
+
+    def _load_controllers(self):
+        BridgeController()
+
+    def _load_plugins_and_files(self):
+        args, unknownargs = settings_manager.get_starting_args()
+
+        if args.no_plugins == "false":
+            self.plugins_controller.pre_launch_plugins()
+            self.plugins_controller.post_launch_plugins()
+
+    def _tggl_top_main_menubar(self):
+        logger.debug("_tggl_top_main_menubar > stub...")
+
+    def _load_glade_file(self):
+        self.builder.add_from_file( settings_manager.path_manager.get_glade_file() )
+        self.builder.expose_object("main_window", self.window)
+
+        settings_manager.set_builder(self.builder)
+        self.base_container = BaseContainer()
+
+        settings_manager.register_signals_to_builder([self, self.base_container])

src/core/controllers/base_controller_data.py

@@ -0,0 +1,107 @@
+# Python imports
+import os
+import subprocess
+from shutil import which
+
+# Lib imports
+
+# Application imports
+from plugins.plugins_controller import PluginsController
+from ..builder_wrapper import BuilderWrapper
+
+
+
+class BaseControllerData:
+    ''' BaseControllerData contains most of the state of the app at ay given time. It also has some support methods. '''
+
+    def _setup_controller_data(self) -> None:
+        self.window             = settings_manager.get_main_window()
+        self.builder            = BuilderWrapper()
+        self.plugins_controller = PluginsController()
+
+        self.base_container     = None
+        self.was_midified_key   = False
+        self.ctrl_down          = False
+        self.shift_down         = False
+        self.alt_down           = False
+
+        self._collect_files_dirs()
+        self._load_glade_file()
+
+
+    def _collect_files_dirs(self):
+        args, \
+        unknownargs = settings_manager.get_starting_args()
+        files       = []
+
+        for arg in unknownargs + [args.new_tab,]:
+            if os.path.isdir( arg.replace("file://", "") ):
+                files.append( f"DIR|{arg.replace('file://', '')}" )
+                continue
+
+            # NOTE: If passing line number with file split against :
+            if os.path.isfile( arg.replace("file://", "").split(":")[0] ):
+                files.append( f"FILE|{arg.replace('file://', '')}" )
+                continue
+
+            logger.info(f"Not a File: {arg}")
+
+        if len(files) == 0: return
+
+        settings_manager.set_is_starting_with_file(True)
+        settings_manager.set_starting_files(files)
+
+    def get_base_container(self):
+        return self.base_container
+
+    def clear_console(self) -> None:
+        ''' Clears the terminal screen. '''
+        os.system('cls' if os.name == 'nt' else 'clear')
+
+    def call_method(self, _method_name: str, data: type) -> type:
+        '''
+        Calls a method from scope of class.
+
+                Parameters:
+                        a (obj): self
+                        b (str): method name to be called
+                        c (*): Data (if any) to be passed to the method.
+                                Note: It must be structured according to the given methods requirements.
+
+                Returns:
+                        Return data is that which the calling method gives.
+        '''
+        method_name = str(_method_name)
+        method      = getattr(self, method_name, lambda data: f"No valid key passed...\nkey={method_name}\nargs={data}")
+        return method(*data) if data else method()
+
+    def has_method(self, obj: type, method: type) -> type:
+        ''' Checks if a given method exists. '''
+        return callable(getattr(obj, method, None))
+
+    def clear_children(self, widget: type) -> None:
+        ''' Clear children of a gtk widget. '''
+        for child in widget.get_children():
+            widget.remove(child)
+
+    def get_clipboard_data(self, encoding = "utf-8") -> str:
+        if not which("xclip"):
+            logger.info('xclip not found...')
+            return
+
+        command = ['xclip','-selection','clipboard']
+        proc    = subprocess.Popen(['xclip','-selection', 'clipboard', '-o'], stdout = subprocess.PIPE)
+        retcode = proc.wait()
+        data    = proc.stdout.read()
+        return data.decode(encoding).strip()
+
+    def set_clipboard_data(self, data: type, encoding = "utf-8") -> None:
+        if not which("xclip"):
+            logger.info('xclip not found...')
+            return
+
+        command = ['xclip','-selection','clipboard']
+        proc = subprocess.Popen(command, stdin = subprocess.PIPE)
+        proc.stdin.write(data.encode(encoding))
+        proc.stdin.close()
+        retcode = proc.wait()

src/core/controllers/bridge_controller.py

@@ -0,0 +1,41 @@
+# Python imports
+import base64
+
+# Lib imports
+
+# Application imports
+
+
+
+class BridgeController:
+    def __init__(self):
+
+        self._setup_signals()
+        self._subscribe_to_events()
+
+
+    def _setup_signals(self):
+        ...
+
+    def _subscribe_to_events(self):
+        event_system.subscribe("handle-bridge-event", self.handle_bridge_event)
+
+
+    def handle_bridge_event(self, event):
+        match event.topic:
+            case "save":
+                event_system.emit(f"handle-file-event-{event.originator}", (event,))
+            case "close":
+                event_system.emit(f"handle-file-event-{event.originator}", (event,))
+            case "load_buffer":
+                event_system.emit(f"handle-file-event-{event.originator}", (event,))
+            case "load_file":
+                event_system.emit(f"handle-file-event-{event.originator}", (event,))
+            case "alert":
+                content = base64.b64decode( event.content.encode() ).decode("utf-8")
+                logger.info(f"\nMessage Topic:  {event.topic}\nMessage Content:  {content}")
+            case "error":
+                content = base64.b64decode( event.content.encode() ).decode("utf-8")
+                logger.info(content)
+            case _:
+                ...

src/core/widgets/__init__.py

@@ -0,0 +1,3 @@
+"""
+    Widgets Package
+"""

src/core/widgets/code/__init__.py

@@ -0,0 +1,3 @@
+"""
+    Code Package
+"""

src/core/widgets/code/command_system.py

@@ -0,0 +1,34 @@
+# Python imports
+
+# Lib imports
+
+# Application imports
+from . import commands
+
+
+
+class CommandSystem:
+    def __init__(self):
+        super(CommandSystem, self).__init__()
+
+        self.data: list = ()
+
+
+    def set_data(self, *args, **kwargs):
+        self.data = (args, kwargs)
+
+    def exec(self, command: str) -> any:
+        if not hasattr(commands, command): return
+        method = getattr(commands, command)
+
+        args, kwargs = self.data
+        if kwargs:
+            return method.execute(*args, kwargs)
+        else:
+            return method.execute(*args)
+
+    def exec_with_args(self, command: str, args: list) -> any:
+        if not hasattr(commands, command): return
+
+        method = getattr(commands, command)
+        return method.execute(*args)

src/core/widgets/code/commands/__init__.py

@@ -0,0 +1,16 @@
+"""
+    Commands Package
+"""
+
+import pkgutil
+import importlib
+
+__all__ = []
+
+for loader, module_name, is_pkg in pkgutil.walk_packages(__path__):
+    module = importlib.import_module(f"{__name__}.{module_name}")
+    globals()[module_name] = module  # Add module to package namespace
+    __all__.append(module_name)
+
+del pkgutil
+del importlib

src/core/widgets/code/commands/buffer_redo.py

@@ -0,0 +1,23 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.debug("Buffer Redo Command")
+
+    buffer       = view.get_buffer()
+    undo_manager = buffer.get_undo_manager()
+
+    if undo_manager.can_redo():
+        buffer.redo()

src/core/widgets/code/commands/buffer_undo.py

@@ -0,0 +1,23 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.debug("Buffer Undo Command")
+
+    buffer       = view.get_buffer()
+    undo_manager = buffer.get_undo_manager()
+
+    if undo_manager.can_undo():
+        buffer.undo()

src/core/widgets/code/commands/close_file.py

@@ -0,0 +1,26 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.debug("Close File Command")
+    buffer = view.get_buffer()
+
+    next_file = view.files_manager.remove_file(buffer)
+    if not next_file:
+        view.command.exec("new_file")
+    else:
+        view.set_buffer(next_file.buffer)
+
+    view.command.exec("update_info_bar")

src/core/widgets/code/commands/cut_to_temp_buffer.py

@@ -0,0 +1,36 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.debug("Cut to Temp Buffer Command")
+
+    view.clear_temp_cut_buffer_delayed()
+
+    buffer     = view.get_buffer()
+    itr        = buffer.get_iter_at_mark( buffer.get_insert() )
+    start_itr  = itr.copy()
+    end_itr    = itr.copy()
+    start_line = itr.get_line() + 1
+    start_char = itr.get_line_offset()
+
+    start_itr.backward_visible_line()
+    start_itr.forward_line()
+    end_itr.forward_line()
+
+    line_str   = buffer.get_slice(start_itr, end_itr, True)
+    view._cut_buffer += f"{line_str}"
+    buffer.delete(start_itr, end_itr)
+
+    view.set_temp_cut_buffer_delayed()

src/core/widgets/code/commands/dnd_load_file_to_buffer.py

@@ -0,0 +1,35 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+from gi.repository import Gio
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View,
+    uri: str
+):
+    logger.debug("DnD Load File To Buffer Command")
+
+    buffer = view.get_buffer()
+    file   = view.files_manager.get_file(buffer)
+
+    if not file.ftype == "buffer":
+        file = view.command.exec("new_file")
+
+    gfile  = Gio.File.new_for_uri(uri)
+    view.command.exec_with_args(
+        "load_file",
+        (view, gfile, file)
+    )
+
+    has_focus = view.command.exec("has_focus")
+    if has_focus:
+        view.command.exec("update_info_bar")

src/core/widgets/code/commands/dnd_load_files.py

@@ -0,0 +1,27 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+from gi.repository import Gio
+
+# Application imports
+from ..source_file import SourceFile
+
+
+
+def execute(
+    view: GtkSource.View,
+    uris: list = []
+):
+    logger.debug("DnD Load Files Command")
+    for uri in uris:
+        try:
+            gfile = Gio.File.new_for_uri(uri)
+        except Exception as e:
+            gfile = Gio.File.new_for_path(uri)
+
+        view.command.exec_with_args("load_file", (view, gfile))

src/core/widgets/code/commands/duplicate_line.py

@@ -0,0 +1,53 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.debug("Duplicate Line Command")
+
+    buffer = view.get_buffer()
+
+    if not buffer.get_has_selection():
+        had_selection = False
+        itr        = buffer.get_iter_at_mark( buffer.get_insert() )
+        start_itr  = itr.copy()
+        end_itr    = itr.copy()
+        start_line = itr.get_line() + 1
+        start_char = itr.get_line_offset()
+    else:
+        had_selection = True
+        start_itr, end_itr = buffer.get_selection_bounds()
+        sline      = start_itr.get_line()
+        eline      = end_itr.get_line()
+        start_line = eline + 1
+        start_char = start_itr.get_line_offset()
+        end_char   = end_itr.get_line_offset()
+        range_line_size  = eline - sline
+
+    start_itr.backward_visible_line()
+    start_itr.forward_line()
+    end_itr.forward_line()
+    end_itr.backward_char()
+
+    line_str = buffer.get_slice(start_itr, end_itr, True)
+    end_itr.forward_char()
+    buffer.insert(end_itr, f"{line_str}\n", -1)
+
+    if not had_selection:
+        new_itr = buffer.get_iter_at_line_offset(start_line, start_char)
+        buffer.place_cursor(new_itr)
+    else:
+        new_itr     = buffer.get_iter_at_line_offset(start_line, start_char)
+        new_end_itr = buffer.get_iter_at_line_offset((start_line + range_line_size), end_char)
+        buffer.select_range(new_itr, new_end_itr)

src/core/widgets/code/commands/focus_left_sibling.py

@@ -0,0 +1,19 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.debug("Focus Left Sibling Command")
+    if not view.sibling_left: return
+    view.sibling_left.grab_focus()

src/core/widgets/code/commands/focus_right_sibling.py

@@ -0,0 +1,19 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.debug("Focus Right Sibling Command")
+    if not view.sibling_right: return
+    view.sibling_right.grab_focus()

src/core/widgets/code/commands/get_current_file.py

@@ -0,0 +1,20 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.debug("Get Current File Command")
+
+    buffer = view.get_buffer()
+    return view.files_manager.get_file(buffer)

src/core/widgets/code/commands/get_filetype.py

@@ -0,0 +1,21 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.debug("Get File Type Command")
+
+    buffer = view.get_buffer()
+    file   = view.files_manager.get_file(buffer)
+    return file.ftype 

src/core/widgets/code/commands/get_text.py

@@ -0,0 +1,21 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.debug("Get Text Command")
+
+    buffer = view.get_buffer()
+    start_itr, end_itr = buffer.get_bounds()
+    return buffer.get_text(start_itr, end_itr, True)

src/core/widgets/code/commands/go_to.py

@@ -0,0 +1,31 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.debug("Go-To Command")
+
+    file    = view.command.exec("get_current_file")
+    gfile   = file.get_location()
+    uri     = gfile.get_uri()
+
+    buffer  = view.get_buffer()
+    iter    = buffer.get_iter_at_mark( buffer.get_insert() )
+    line    = iter.get_line()
+    offset  = iter.get_line_offset()
+
+    event_system.emit(
+        "textDocument/definition",
+        (view, file.ftype, uri, line, offset,)
+    )

src/core/widgets/code/commands/has_focus.py

@@ -0,0 +1,19 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.debug("Has Focus Command")
+    ctx = view.get_parent().get_style_context()
+    return ctx.has_class("source-view-focused")

src/core/widgets/code/commands/line_down.py

@@ -0,0 +1,18 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.debug("Line Up Command")
+    view.emit("move-lines", True)

src/core/widgets/code/commands/line_up.py

@@ -0,0 +1,18 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.debug("Line Up Command")
+    view.emit("move-lines", False)

src/core/widgets/code/commands/load_file.py

@@ -0,0 +1,32 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+from gi.repository import Gio
+
+# Application imports
+from ..source_file import SourceFile
+
+
+
+def execute(
+    view: GtkSource.View,
+    gfile: Gio.File,
+    file: SourceFile = None,
+):
+    logger.debug("Load File Command")
+    if not file:
+        file = view.files_manager.new()
+
+    file.load_path(gfile)
+
+    language   = view.language_manager \
+                       .guess_language(file.fname, None)
+    file.ftype = language
+
+    file.buffer.set_language(language)
+    file.buffer.set_style_scheme(view.syntax_theme)

src/core/widgets/code/commands/load_start_files.py

@@ -0,0 +1,42 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+from gi.repository import Gio
+
+# Application imports
+from ..source_file import SourceFile
+
+
+
+def execute(
+    view: GtkSource.View,
+):
+    logger.debug("Load Start File(s) Command")
+
+    starting_files = settings_manager.get_starting_files()
+
+    if len(starting_files) == 0: return
+
+    file   = starting_files.pop()
+    file   = file.replace("FILE|", "")
+    gfile  = Gio.File.new_for_path(file)
+    buffer = view.get_buffer()
+    file   = view.files_manager.get_file(buffer)
+
+    view.command.exec_with_args(
+        "load_file",
+        (view, gfile, file)
+    )
+
+    if len(starting_files) == 0: return
+
+    for file in starting_files:
+        file  = file.replace("FILE|", "")
+        gfile = Gio.File.new_for_path(file)
+
+        view.command.exec_with_args("load_file", (view, gfile))

src/core/widgets/code/commands/move_to_left_sibling.py

@@ -0,0 +1,32 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.debug("Move To Left Sibling Command")
+    if not view.sibling_left: return
+
+    buffer = view.get_buffer()
+    popped_file, next_file = view.files_manager.swap_file(buffer)
+
+    popped_file.remove_observer(view)
+    popped_file.add_observer(view.sibling_left)
+    view.sibling_left.set_buffer(buffer)
+    view.sibling_left.grab_focus()
+
+    if next_file:
+        next_file.add_observer(view)
+        view.set_buffer(next_file.buffer)
+    else:
+        view.command.exec("new_file")

src/core/widgets/code/commands/move_to_right_sibling.py

@@ -0,0 +1,32 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.debug("Move To Right Sibling Command")
+    if not view.sibling_right: return
+
+    buffer = view.get_buffer()
+    popped_file, next_file = view.files_manager.swap_file(buffer)
+
+    popped_file.remove_observer(view)
+    popped_file.add_observer(view.sibling_right)
+    view.sibling_right.set_buffer(buffer)
+    view.sibling_right.grab_focus()
+
+    if next_file:
+        next_file.add_observer(view)
+        view.set_buffer(next_file.buffer)
+    else:
+        view.command.exec("new_file")

src/core/widgets/code/commands/new_file.py

@@ -0,0 +1,33 @@
+# Python imports
+
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.debug("New File Command")
+    file       = view.files_manager.new()
+    language   = view.language_manager \
+                       .guess_language("file.txt", None)
+
+    file.buffer.set_language(language)
+    file.buffer.set_style_scheme(view.syntax_theme)
+
+    view.set_buffer(file.buffer)
+    file.add_observer(view)
+
+    has_focus = view.command.exec("has_focus")
+    if not has_focus: return file
+
+    view.command.exec("update_info_bar")
+    return file

src/core/widgets/code/commands/open_files.py

@@ -0,0 +1,33 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.debug("Open File(s) Command")
+    gfiles = event_system.emit_and_await("open-files")
+    if not gfiles: return
+
+    size   = len(gfiles)
+    for i, gfile in enumerate(gfiles):
+        file = view.files_manager.new()
+        view.command.exec_with_args("load_file", (view, gfile, file))
+
+        if i == (size - 1):
+            buffer = view.get_buffer()
+            _file  = view.files_manager.get_file(buffer)
+            _file.remove_observer(view)
+
+            view.set_buffer(file.buffer)
+            file.add_observer(view)
+            view.command.exec("update_info_bar")

src/core/widgets/code/commands/paste_temp_buffer.py

@@ -0,0 +1,28 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GLib
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.debug("Paste Temp Buffer Command")
+
+    view.clear_temp_cut_buffer_delayed()
+
+    buffer     = view.get_buffer()
+    itr        = buffer.get_iter_at_mark( buffer.get_insert() )
+    insert_itr = itr.copy()
+
+    buffer.insert(insert_itr, view._cut_buffer, -1)
+
+    view.set_temp_cut_buffer_delayed()

src/core/widgets/code/commands/save_file.py

@@ -0,0 +1,30 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.debug("Save File Command")
+    buffer = view.get_buffer()
+    file   = view.files_manager.get_file(buffer)
+
+    if file.ftype == "buffer":
+        file.save_as()
+        language   = view.language_manager \
+                         .guess_language(file.fname, None)
+        file.ftype = language
+        file.buffer.set_language(language)
+        return
+
+    file.save()
+

src/core/widgets/code/commands/save_file_as.py

@@ -0,0 +1,28 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.info("Save File As Command")
+    buffer = view.get_buffer()
+    file   = view.files_manager.get_file(buffer)
+
+    file.save_as()
+
+    language   = view.language_manager \
+                       .guess_language(file.fname, None)
+    file.ftype = language
+    file.buffer.set_language(language)
+    file.add_observer(view)
+    view.exec_command("update_info_bar")

src/core/widgets/code/commands/set_buffer.py

@@ -0,0 +1,36 @@
+# Python imports
+
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+from ..source_file import SourceFile
+
+
+
+def execute(
+    view: GtkSource.View,
+    file: SourceFile
+):
+    logger.debug("Set Buffer Command")
+
+    buffer = view.get_buffer()
+    _file  = view.files_manager.get_file(buffer)
+    _file.remove_observer(view)
+
+    if not file:
+        view.command.exec("new_file")
+        return
+
+    view.set_buffer(file.buffer)
+    file.add_observer(view)
+
+    has_focus = view.command.exec("has_focus")
+    if has_focus:
+        view.command.exec("update_info_bar")
+

src/core/widgets/code/commands/set_buffer_language.py

@@ -0,0 +1,23 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View,
+    language: str
+):
+    logger.debug("Set Buffer Language Command")
+
+    buffer = editor.get_buffer()
+    buffer.set_language(
+        view.language_manager.get_language(language)
+    )

src/core/widgets/code/commands/set_buffer_style.py

@@ -0,0 +1,23 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View,
+    style: str
+):
+    logger.debug("Set Buffer Style Command")
+
+    buffer = editor.get_buffer()
+    buffer.set_style_scheme(
+        view.style_scheme_manager.get_scheme(style)
+    )

src/core/widgets/code/commands/set_focus_border.py

@@ -0,0 +1,26 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.debug("Set Focus Border Command")
+    ctx = view.get_parent().get_style_context()
+    ctx.add_class("source-view-focused")
+
+    if view.sibling_right:
+        ctx = view.sibling_right.get_parent().get_style_context()
+    elif view.sibling_left:
+        ctx = view.sibling_left.get_parent().get_style_context()
+
+    ctx.remove_class("source-view-focused")

src/core/widgets/code/commands/set_miniview.py

@@ -0,0 +1,27 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+from gi.repository import Gio
+
+# Application imports
+from libs.dto.code_event import CodeEvent
+
+from ..source_file import SourceFile
+
+
+
+def execute(
+    view: GtkSource.View,
+):
+    logger.debug("Set MiniView  Command")
+    event_system.emit("set-mini-view", (view,))
+
+    event       = CodeEvent()
+    event.etype = "focused_view_change"
+    event.view  = view
+    view.notify_observers(event)

src/core/widgets/code/commands/show_completion.py

@@ -0,0 +1,18 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.debug("Show Completion Command")
+    view.completion.request_completion()

src/core/widgets/code/commands/update_info_bar.py

@@ -0,0 +1,33 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+from gi.repository import Gio
+
+# Application imports
+from ..source_file import SourceFile
+
+
+
+def execute(
+    view: GtkSource.View,
+):
+    logger.debug("Update Info Bar Command")
+    buffer = view.get_buffer()
+    file   = view.files_manager.get_file(buffer)
+
+    if not file: return
+
+    iter   = buffer.get_iter_at_mark( buffer.get_insert() )
+    line   = iter.get_line() + 1
+    column = iter.get_line_offset()
+    ftype  = file.ftype.get_id() if hasattr(file.ftype, "get_id") else file.ftype
+
+    event_system.emit(
+        "set-info-labels",
+        (file.fpath, f"{line}:{column}", ftype, file.encoding)
+    )

src/core/widgets/code/commands/zoom_in.py

@@ -0,0 +1,23 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.debug("Zoom In Command")
+
+    ctx = view.get_style_context()
+    if view.zoom_level < 99:
+        ctx.remove_class(f"px{view.zoom_level}")
+        view.zoom_level += 1
+        ctx.add_class(f"px{view.zoom_level}")

src/core/widgets/code/commands/zoom_out.py

@@ -0,0 +1,23 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.debug("Zoom Out Command")
+
+    ctx = view.get_style_context()
+    if view.zoom_level > 1:
+        ctx.remove_class(f"px{view.zoom_level}")
+        view.zoom_level -= 1
+        ctx.add_class(f"px{view.zoom_level}")

src/core/widgets/code/completion_manager.py

@@ -0,0 +1,66 @@
+# Python imports
+
+# Lib imports
+import gi
+from gi.repository import GLib
+
+# Application imports
+from .completion_providers.example_completion_provider import ExampleCompletionProvider
+from .completion_providers.lsp_completion_provider import LSPCompletionProvider
+
+
+
+class CompletionManager():
+    def __init__(self):
+        super(CompletionManager, self).__init__()
+
+        self._lsp_provider = LSPCompletionProvider()
+        self._timeout_id   = None
+
+
+    def set_completer(self, completer):
+        self._completor = completer
+
+    def request_completion(self):
+        if self._timeout_id:
+            GLib.source_remove(self._timeout_id)
+
+        self._timeout_id = GLib.timeout_add(
+            800,
+            self._process_request_completion
+        )
+
+    def _process_request_completion(self):
+        self._start_completion()
+
+        self._timeout_id = None
+        return False
+
+    def _do_completion(self):
+        if self._completor.get_providers():
+            self._mach_completion()
+        else:
+            self._start_completion()
+
+    def _mach_completion(self):
+        """
+            Note: Use IF providers were added to completion...
+        """
+        self._completion.match(
+            self._completion.create_context()
+        )
+
+    def _start_completion(self):
+        """
+            Note: Use IF NO providers have been added to completion...
+        print("here")
+        """
+        self._completor.start(
+            [
+                ExampleCompletionProvider(),
+                self._lsp_provider
+            ],
+            self._completor.create_context()
+        )
+
+                                                                                                                                                  

src/core/widgets/code/completion_providers/__init__.py

@@ -0,0 +1,3 @@
+"""
+    Custom Completion Providers Module
+"""

src/core/widgets/code/completion_providers/example_completion_provider.py

@@ -0,0 +1,84 @@
+# Python imports
+import re
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+gi.require_version('GtkSource', '4')
+
+from gi.repository import Gtk
+from gi.repository import GtkSource
+from gi.repository import GObject
+
+# Application imports
+
+
+
+class ExampleCompletionProvider(GObject.GObject, GtkSource.CompletionProvider):
+    """
+        This is a custom Completion Example Provider.
+        # NOTE: used information from here --> https://warroom.rsmus.com/do-that-auto-complete/
+    """
+    __gtype_name__ = 'ExampleCompletionProvider'
+
+    def __init__(self):
+        GObject.Object.__init__(self)
+
+    def do_get_name(self):
+        """ Returns: a new string containing the name of the provider. """
+        return 'Example Completion Provider'
+
+    def do_match(self, context):
+        """ Get whether the provider match the context of completion detailed in context. """
+        # NOTE: True for debugging but context needs to normally get checked for actual usage needs.
+        # TODO: Fix me
+        return True
+
+    def do_get_priority(self):
+        """ Determin position in result list along other providor results. """
+        return 1
+
+    # def do_get_activation(self):
+    #     """ The context for when a provider will show results """
+    #     return GtkSource.CompletionActivation.NONE
+    #     return GtkSource.CompletionActivation.USER_REQUESTED
+    #     return GtkSource.CompletionActivation.INTERACTIVE
+
+    def do_populate(self, context):
+        """
+            In this instance, it will do 2 things:
+                1) always provide Hello World! (Not ideal but an option so its in the example)
+                2) Utilizes the Gtk.TextIter from the TextBuffer to determine if there is a jinja
+                    example of '{{ custom.' if so it will provide you with the options of foo and bar.
+            If selected it will insert foo }} or bar }}, completing your syntax...
+
+            PLEASE NOTE the GtkTextIter Logic and regex are really rough and should be adjusted and tuned
+        """
+
+        proposals = [
+            GtkSource.CompletionItem(label='Hello World!', text = 'Hello World!', icon = None, info = None) # NOTE: Always proposed...
+        ]
+
+        # Gtk Versions differ on get_iter responses...
+        end_iter = context.get_iter()
+        if not isinstance(end_iter, Gtk.TextIter):
+            _, end_iter = context.get_iter()
+
+        if end_iter:
+            buf = end_iter.get_buffer()
+            mov_iter = end_iter.copy()
+            if mov_iter.backward_search('{{', Gtk.TextSearchFlags.VISIBLE_ONLY):
+                mov_iter, _ = mov_iter.backward_search('{{', Gtk.TextSearchFlags.VISIBLE_ONLY)
+                left_text = buf.get_text(mov_iter, end_iter, True)
+            else:
+                left_text = ''
+
+            if re.match(r'.*\{\{\s*custom\.$', left_text):
+                proposals.append(
+                    GtkSource.CompletionItem(label='foo', text='foo }}')  # optionally proposed based on left search via regex
+                )
+                proposals.append(
+                    GtkSource.CompletionItem(label='bar', text='bar }}')  # optionally proposed based on left search via regex
+                )
+
+        context.add_proposals(self, proposals, True)

src/core/widgets/code/completion_providers/lsp_completion_provider.py

@@ -0,0 +1,137 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+gi.require_version('GtkSource', '4')
+
+from gi.repository import Gtk
+from gi.repository import GtkSource
+from gi.repository import GObject
+
+# Application imports
+
+
+
+class LSPCompletionProvider(GObject.Object, GtkSource.CompletionProvider):
+    """
+        This code is an LSP code completion plugin for Newton.
+        # NOTE: Some code pulled/referenced from here --> https://github.com/isamert/gedi
+    """
+    __gtype_name__ = 'LSPProvider'
+
+    def __init__(self):
+        GObject.Object.__init__(self)
+
+        self._icon_theme = Gtk.IconTheme.get_default()
+
+        self.lsp_data = None
+
+
+    def pre_populate(self, context):
+        ...
+
+    def do_get_name(self):
+        return "LSP Code Completion"
+
+    def get_iter_correctly(self, context):
+        return context.get_iter()[1] if isinstance(context.get_iter(), tuple) else context.get_iter()
+
+    def do_match(self, context):
+        iter = self.get_iter_correctly(context)
+        iter.backward_char()
+
+        buffer = iter.get_buffer()
+        if buffer.get_context_classes_at_iter(iter) != ['no-spell-check']:
+            return False
+
+        ch = iter.get_char()
+        # NOTE: Look to re-add or apply supprting logic to use spaces
+         # As is it slows down the editor in certain contexts...
+        # if not (ch in ('_', '.', ' ') or ch.isalnum()):
+        if not (ch in ('_', '.') or ch.isalnum()):
+            return False
+
+        return True
+
+    def do_get_priority(self):
+        return 5
+
+    def do_populate(self, context, items = []):
+        # self.lsp_data
+        proposals = []
+
+        comp_item = GtkSource.CompletionItem.new()
+        comp_item.set_label("LSP Class")
+        comp_item.set_text("LSP Code")
+        # comp_item.set_icon(self.get_icon_for_type(completion.type))
+        comp_item.set_info("A test LSP completion item...")
+
+        context.add_proposals(self, [comp_item], True)
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+    # def do_populate(self, context, items = []):
+    #     if hasattr(self._source_view, "completion_items"):
+    #         items = self._source_view.completion_items
+
+    #     proposals = []
+    #     for item in items:
+    #         proposals.append( self.create_completion_item(item) )
+
+    #     context.add_proposals(self, proposals, True)
+
+    # def get_icon_for_type(self, _type):
+    #     try:
+    #         return self._theme.load_icon(icon_names[_type.lower()], 16, 0)
+    #     except:
+    #         ...
+
+    #     try:
+    #         return self._theme.load_icon(Gtk.STOCK_ADD, 16, 0)
+    #     except:
+    #         ...
+
+    #     return None
+
+    # def create_completion_item(self, item):
+    #     comp_item = GtkSource.CompletionItem.new()
+    #     keys      = item.keys()
+    #     comp_item.set_label(item["label"])
+
+    #     if "insertText" in keys:
+    #         comp_item.set_text(item["insertText"])
+
+    #     if "additionalTextEdits" in keys:
+    #         comp_item.additionalTextEdits = item["additionalTextEdits"]
+
+    #     return comp_item
+
+
+    # def create_completion_item(self, item):
+    #     comp_item = GtkSource.CompletionItem.new()
+    #     comp_item.set_label(item.label)
+
+    #     if item.textEdit:
+    #         if isinstance(item.textEdit, dict):
+    #             comp_item.set_text(item.textEdit["newText"])
+    #         else:
+    #             comp_item.set_text(item.textEdit)
+    #     else:
+    #         comp_item.set_text(item.insertText)
+
+    #     comp_item.set_icon( self.get_icon_for_type(item.kind) )
+    #     comp_item.set_info(item.documentation)
+
+    #     return comp_item

src/core/widgets/code/completion_providers/python_completion_provider.py

@@ -0,0 +1,107 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+gi.require_version('GtkSource', '4')
+
+from gi.repository import Gtk
+from gi.repository import GtkSource
+from gi.repository import GObject
+
+import jedi
+from jedi.api import Script
+
+# Application imports
+
+
+
+# FIXME: Find real icon names...
+icon_names = {
+    'import':    '',
+    'module':    '',
+    'class':     '',
+    'function':  '',
+    'statement': '',
+    'param':     ''
+}
+
+
+class Jedi:
+    def get_script(file, doc_text):
+        return Script(code = doc_text, path = file)
+
+
+class PythonCompletionProvider(GObject.Object, GtkSource.CompletionProvider):
+    """
+        This code is A python code completion plugin for Newton.
+        # NOTE: Some code pulled/referenced from here --> https://github.com/isamert/gedi
+    """
+    __gtype_name__ = 'PythonProvider'
+
+    def __init__(self, file):
+        GObject.Object.__init__(self)
+        self._theme = Gtk.IconTheme.get_default()
+        self._file  = file
+
+    def do_get_name(self):
+        return "Python Code Completion"
+
+    def get_iter_correctly(self, context):
+        return context.get_iter()[1] if isinstance(context.get_iter(), tuple) else context.get_iter()
+
+    def do_match(self, context):
+        iter = self.get_iter_correctly(context)
+        iter.backward_char()
+
+        buffer = iter.get_buffer()
+        if buffer.get_context_classes_at_iter(iter) != ['no-spell-check']:
+            return False
+
+        ch = iter.get_char()
+        # NOTE: Look to re-add or apply supprting logic to use spaces
+         # As is it slows down the editor in certain contexts...
+        # if not (ch in ('_', '.', ' ') or ch.isalnum()):
+        if not (ch in ('_', '.') or ch.isalnum()):
+            return False
+
+        return True
+
+    def do_get_priority(self):
+        return 1
+
+    def do_get_activation(self):
+        return GtkSource.CompletionActivation.INTERACTIVE
+
+    def do_populate(self, context):
+        # TODO: Maybe convert async?
+        it        = self.get_iter_correctly(context)
+        buffer    = it.get_buffer()
+        proposals = []
+
+        doc_text    = buffer.get_text(buffer.get_start_iter(), buffer.get_end_iter(), False)
+        iter_cursor = buffer.get_iter_at_mark(buffer.get_insert())
+        linenum     = iter_cursor.get_line() + 1
+        charnum     = iter_cursor.get_line_index()
+
+        def create_generator():
+            for completion in Jedi.get_script(self._file, doc_text).complete(line = linenum, column = None, fuzzy = False):
+                comp_item = GtkSource.CompletionItem.new()
+                comp_item.set_label(completion.name)
+                comp_item.set_text(completion.name)
+                comp_item.set_icon(self.get_icon_for_type(completion.type))
+                comp_item.set_info(completion.docstring())
+                yield comp_item
+
+        for item in create_generator():
+            proposals.append(item)
+
+        context.add_proposals(self, proposals, True)
+
+    def get_icon_for_type(self, _type):
+        try:
+            return self._theme.load_icon(icon_names[_type.lower()], 16, 0)
+        except (KeyError, AttributeError, GObject.GError) as e:
+            return self._theme.load_icon(Gtk.STOCK_ADD, 16, 0)
+        except (GObject.GError, AttributeError) as e:
+            return None

src/core/widgets/code/general_info_widget.py

@@ -0,0 +1,103 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+from gi.repository import Pango
+from gi.repository import Gio
+
+# Application imports
+
+
+
+class GeneralInfoWidget(Gtk.Box):
+    """ docstring for StatusInfoWidget. """
+
+    def __init__(self):
+        super(GeneralInfoWidget, self).__init__()
+
+        self._setup_styling()
+        self._setup_signals()
+        self._subscribe_to_events()
+        self._load_widgets()
+
+        self.show_all()
+
+
+    def _setup_styling(self):
+        self.set_margin_start(25)
+        self.set_margin_end(25)
+
+    def _setup_signals(self):
+        ...
+
+    def _subscribe_to_events(self):
+        event_system.subscribe("set-info-labels", self._set_info_labels)
+        event_system.subscribe("set-path-label", self._set_path_label)
+        event_system.subscribe("set-encoding-label", self._set_encoding_label)
+        event_system.subscribe("set-line-char-label", self._set_line_char_label)
+        event_system.subscribe("set-file-type-label", self._set_file_type_label)
+
+
+    def _load_widgets(self):
+        self.path_label      = Gtk.Label(label = "...")
+        self.line_char_label = Gtk.Label(label = "1:0")
+        self.encoding_label  = Gtk.Label(label = "utf-8")
+        self.file_type_label = Gtk.Label(label = "buffer")
+
+        self.add(self.path_label)
+        self.add(self.line_char_label)
+        self.add(self.encoding_label)
+        self.add(self.file_type_label)
+
+        self.path_label.set_hexpand(True)
+        self.path_label.set_ellipsize(Pango.EllipsizeMode.START)
+        self.path_label.set_single_line_mode(True)
+        self.path_label.set_max_width_chars(48)
+
+        self.line_char_label.set_hexpand(True)
+        self.encoding_label.set_hexpand(True)
+        self.file_type_label.set_hexpand(True)
+
+    def _set_info_labels(
+        self,
+        path: Gio.File or str = None,
+        line_char: str = None,
+        file_type: str = None,
+        encoding_type: str = None
+    ):
+        self._set_path_label(path)
+        self._set_line_char_label(line_char)
+        self._set_file_type_label(file_type)
+        self._set_encoding_label(encoding_type)
+
+    def _set_path_label(self, gfile: Gio.File or str = "..."):
+        gfile = "" if not gfile else gfile
+
+        if isinstance(gfile, str):
+            # path = gfile
+            # path = "..." + path[-120: -1] if len(path) >= 123 else path
+            # self.path_label.set_text( path )
+            self.path_label.set_text( gfile )
+            self.path_label.set_tooltip_text( gfile )
+        else:
+            self.path_label.set_text( gfile.get_path() )
+            self.path_label.set_tooltip_text( gfile.get_path() )
+
+    def _set_line_char_label(self, line_char = "1:1"):
+        line_char = "1:1" if not line_char else line_char
+
+        self.line_char_label.set_text(line_char)
+
+    def _set_file_type_label(self, file_type = "buffer"):
+        file_type = "buffer" if not file_type else file_type 
+
+        self.file_type_label.set_text(file_type)
+
+    def _set_encoding_label(self, encoding_type = "utf-8"):
+        encoding_type = "utf-8" if not encoding_type else encoding_type
+
+        self.encoding_label.set_text(encoding_type)
+
+

src/core/widgets/code/key_mapper.py

@@ -0,0 +1,127 @@
+# Python imports
+import copy
+import json
+
+# Lib imports
+import gi
+gi.require_version('Gdk', '3.0')
+from gi.repository import Gdk
+
+# Application imports
+
+
+
+class NoKeyState:
+    held: dict     = {}
+    released: dict = {}
+
+class CtrlKeyState:
+    held: dict     = {}
+    released: dict = {}
+
+class ShiftKeyState:
+    held: dict     = {}
+    released: dict = {}
+
+class AltKeyState:
+    held: dict     = {}
+    released: dict = {}
+
+class CtrlShiftKeyState:
+    held: dict     = {}
+    released: dict = {}
+
+class CtrlAltKeyState:
+    held: dict     = {}
+    released: dict = {}
+
+class AltShiftKeyState:
+    held: dict     = {}
+    released: dict = {}
+
+class CtrlShiftAltKeyState:
+    held: dict     = {}
+    released: dict = {}
+
+
+
+class KeyMapper:
+    def __init__(self):
+        super(KeyMapper, self).__init__()
+
+        self.state   = NoKeyState
+        self._map    = {
+            NoKeyState:                                              NoKeyState(),
+            NoKeyState | CtrlKeyState :                              CtrlKeyState(),
+            NoKeyState | ShiftKeyState:                              ShiftKeyState(),
+            NoKeyState | AltKeyState  :                              AltKeyState(),
+            NoKeyState | CtrlKeyState | ShiftKeyState :              CtrlShiftKeyState(),
+            NoKeyState | CtrlKeyState | AltKeyState   :              CtrlAltKeyState(),
+            NoKeyState | AltKeyState  | ShiftKeyState :              AltShiftKeyState(),
+            NoKeyState | CtrlKeyState | ShiftKeyState | AltKeyState: CtrlShiftAltKeyState(),
+        }
+
+        self.load_map()
+
+
+    def load_map(self):
+        self.states   = copy.deepcopy(self._map)
+        bindings_file = f"{settings_manager.path_manager.get_home_config_path()}/code-key-bindings.json"
+
+        with open(bindings_file, 'r') as f:
+            data = json.load(f)["keybindings"]
+
+            for command in data:
+                press_state = "held" if "held" in data[command] else "released"
+                keyname     = data[command][press_state]
+
+                state       = NoKeyState
+                if "<Control>" in keyname:
+                    state = state | CtrlKeyState
+                if "<Shift>" in keyname:
+                    state = state | ShiftKeyState
+                if "<Alt>" in keyname:
+                    state = state | AltKeyState
+
+                keyname = keyname.replace("<Control>", "") \
+                                 .replace("<Shift>",   "") \
+                                 .replace("<Alt>",     "") \
+                                 .lower()
+
+                getattr(self.states[state], press_state)[keyname] = command
+
+    def re_map(self):
+        self.states = copy.deepcopy(self._map)
+
+    def _key_press_event(self, eve):
+        keyname = Gdk.keyval_name(eve.keyval).lower()
+
+        self._set_key_state(eve)
+        if keyname in self.states[self.state].held:
+            return self.states[self.state].held[keyname]
+
+    def _key_release_event(self, eve):
+        keyname = Gdk.keyval_name(eve.keyval).lower()
+
+        self._set_key_state(eve)
+        if keyname in self.states[self.state].released:
+            return self.states[self.state].released[keyname]
+
+    def _set_key_state(self, eve):
+        modifiers  = Gdk.ModifierType(eve.get_state() & ~Gdk.ModifierType.LOCK_MASK)
+        is_control = True if modifiers & Gdk.ModifierType.CONTROL_MASK else False
+        is_shift   = True if modifiers & Gdk.ModifierType.SHIFT_MASK else False
+
+        try:
+            is_alt = True if modifiers & Gdk.ModifierType.ALT_MASK else False
+        except Exception:
+            is_alt = True if modifiers & Gdk.ModifierType.MOD1_MASK else False
+
+        self.state = NoKeyState
+        if is_control:
+            self.state = self.state | CtrlKeyState
+        if is_shift:
+            self.state = self.state | ShiftKeyState
+        if is_alt:
+            self.state = self.state | AltKeyState
+

src/core/widgets/code/miniview_widget.py

@@ -0,0 +1,38 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('GtkSource', '4')
+from gi.repository.GtkSource import Map
+
+
+# Application imports
+
+
+
+class MiniViewWidget(Map):
+    def __init__(self):
+        super(MiniViewWidget, self).__init__()
+
+        self._setup_styling()
+        self._setup_signals()
+        self._subscribe_to_events()
+        self._load_widgets()
+
+
+    def _setup_styling(self):
+        self.set_hexpand(False)
+        ctx = self.get_style_context()
+        ctx.add_class("mini-view")
+
+    def _setup_signals(self):
+        ...
+
+    def _subscribe_to_events(self):
+        event_system.subscribe(f"set-mini-view", self.set_smini_view)
+
+    def _load_widgets(self):
+        ...
+
+    def set_smini_view(self, source_view):
+        self.set_view(source_view)

src/core/widgets/code/mixins/__init__.py

@@ -0,0 +1,3 @@
+"""
+    Code Mixins Package
+"""

src/core/widgets/code/mixins/source_view_dnd_mixin.py

@@ -0,0 +1,40 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+
+# Application imports
+
+
+
+class SourceViewDnDMixin:
+
+    def _set_up_dnd(self):
+        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 ]
+
+        self.drag_dest_set_target_list(targets)
+
+    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()
+
+            if len(uris) == 0:
+                uris = data.get_text().split("\n")
+
+            self._on_uri_data_received(uris)
+
+    def _on_uri_data_received(self, uris: []):
+            uri = uris.pop(0)
+            self.command.exec_with_args("dnd_load_file_to_buffer", (self, uri))
+
+            if len(uris) == 0: return
+
+            self.command.exec_with_args("dnd_load_files", (self, uris))

src/core/widgets/code/mixins/source_view_events_mixin.py

@@ -0,0 +1,63 @@
+# Python imports
+
+# Lib imports
+
+# Application imports
+from libs.dto.code_event import CodeEvent
+
+
+
+class SourceViewEventsMixin:
+    def _focus_in_event(self, view, eve):
+        self.command.exec("set_miniview")
+        self.command.exec("set_focus_border")
+        self.command.exec("update_info_bar")
+
+    def _move_cursor(self, view, step, count, extend_selection):
+        self.command.exec("update_info_bar")
+
+    def _button_press_event(self, view, eve):
+        self.command.exec("update_info_bar")
+
+    def _button_release_event(self, view, eve):
+        self.command.exec("update_info_bar")
+
+    def _key_press_event(self, view, eve):
+        command = self.key_mapper._key_press_event(eve)
+        if not command: return False
+
+        self.command.exec(command)
+        return True
+
+    def _key_release_event(self, view, eve):
+        command = self.key_mapper._key_release_event(eve)
+        if not command: return False
+
+        self.command.exec(command)
+        return True
+
+    def notification(self, event: CodeEvent):
+        if not hasattr(self, "command"): return
+
+        has_focus = self.command.exec("has_focus")
+        if not has_focus and not event.ignore_focus: return
+
+        match event.etype:
+            case "removed_file":
+                logger.debug("SourceFileManager.remove_file")
+                if not event.file.buffer == self.get_buffer(): return
+                self.command.exec_with_args("set_buffer", (self, event.next_file))
+                return
+            case "changed":
+                logger.debug("SourceFile._changed")
+            case "modified_changed":
+                logger.debug("SourceFile._modified_changed")
+            case "insert_text":
+                logger.debug("SourceFile._insert_text")
+            case "mark_set":
+                # logger.debug("SourceFile._mark_set")
+                ...
+            case _:
+                ...
+
+        self.command.exec("update_info_bar")

src/core/widgets/code/source_buffer.py

@@ -0,0 +1,40 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('GtkSource', '4')
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+class SourceBuffer(GtkSource.Buffer):
+    def __init__(self):
+        super(SourceBuffer, self).__init__()
+
+        self._handler_ids = []
+
+
+    def set_signals(
+        self,
+        _changed,
+        _mark_set,
+        _insert_text,
+        _modified_changed,
+    ):
+
+        self._handler_ids = [
+            self.connect("changed",          _changed),
+            self.connect("mark-set",         _mark_set),
+            self.connect("insert-text",      _insert_text),
+            self.connect("modified-changed", _modified_changed)
+        ]
+
+    def clear_signals(self):
+        for handle_id in self._handler_ids:
+            self.disconnect(handle_id)
+
+    def __del__(self):
+        for handle_id in self._handler_ids:
+            self.disconnect(handle_id)

src/core/widgets/code/source_file.py

@@ -0,0 +1,137 @@
+# Python imports
+import os
+
+# Lib imports
+import gi
+
+gi.require_version('Gtk', '3.0')
+gi.require_version('GtkSource', '4')
+
+from gi.repository import Gtk
+from gi.repository import GtkSource
+from gi.repository import Gio
+
+# Application imports
+from libs.mixins.observable_mixin import ObservableMixin
+from libs.dto.code_event import CodeEvent
+
+from .source_buffer import SourceBuffer
+
+
+
+class SourceFile(GtkSource.File, ObservableMixin):
+    def __init__(self):
+        super(SourceFile, self).__init__()
+
+        self.observers            = []
+
+        self.encoding: str        = "UTF-8"
+        self.fname: str           = "buffer"
+        self.fpath: str           = "buffer"
+        self.ftype: str           = "buffer"
+
+        self.buffer: SourceBuffer = SourceBuffer()
+
+        self._set_signals()
+
+
+    def _set_signals(self):
+        self.buffer.set_signals(
+            self._changed,
+            self._mark_set,
+            self._insert_text,
+            self._modified_changed
+        )
+
+
+    def _insert_text(self, buffer: SourceBuffer, location: Gtk.TextIter,
+        text: str, length: int
+    ):
+        event        = CodeEvent()
+        event.etype  = "insert_text"
+        event.file   = self
+        event.buffer = buffer
+
+        self.notify_observers(event)
+
+    def _changed(self, buffer: SourceBuffer):
+        event        = CodeEvent()
+        event.etype  = "changed"
+        event.file   = self
+        event.buffer = buffer
+
+        self.notify_observers(event)
+
+    def _mark_set(self, buffer: SourceBuffer, location: Gtk.TextIter,
+        mark: Gtk.TextMark
+    ):
+        # event        = CodeEvent()
+        # event.etype  = "mark_set"
+        # event.file   = self
+        # event.buffer = buffer
+
+        # self.notify_observers(event)
+        ...
+
+    def _modified_changed(self, buffer: SourceBuffer):
+        event        = CodeEvent()
+        event.etype  = "modified_changed"
+        event.file   = self
+        event.buffer = buffer
+
+        self.notify_observers(event)
+
+
+    def _write_file(self, gfile: Gio.File):
+        if not gfile: return
+
+        with open(gfile.get_path(), 'w') as f:
+            start_itr, end_itr = self.buffer.get_bounds()
+            text = self.buffer.get_text(start_itr, end_itr, True)
+
+            f.write(text)
+
+        return gfile
+
+
+    def load_path(self, gfile: Gio.File):
+        if not gfile: return
+
+        self.set_path(gfile)
+        data         = gfile.load_bytes()[0].get_data().decode("UTF-8")
+        undo_manager = self.buffer.get_undo_manager()
+
+        undo_manager.begin_not_undoable_action()
+        self.buffer.insert_at_cursor(data)
+        undo_manager.end_not_undoable_action()
+
+    def set_path(self, gfile: Gio.File):
+        if not gfile: return
+        self.set_location(gfile)
+
+        self.fpath = gfile.get_path()
+        self.fname = gfile.get_basename()
+
+        event        = CodeEvent()
+        event.etype  = "set_path"
+        event.file   = self
+
+        self.notify_observers(event)
+
+    def save(self):
+        self._write_file( self.get_location() )
+
+    def save_as(self):
+        file = event_system.emit_and_await("save-file-dialog")
+        if not file: return
+
+        self._write_file(file)
+        self.set_path(file)
+
+        return file
+
+    def close(self):
+        self.observers.clear()
+
+        del self.observers
+        del self.buffer

src/core/widgets/code/source_files_manager.py

@@ -0,0 +1,106 @@
+# Python imports
+
+# Lib imports
+
+# Application imports
+from libs.mixins.observable_mixin import ObservableMixin
+from libs.singleton import Singleton
+from libs.dto.code_event import CodeEvent
+
+from .source_file import SourceFile
+from .source_buffer import SourceBuffer
+
+
+
+class SourceFilesManager(Singleton, list, ObservableMixin):
+    def __init__(self):
+        super(SourceFilesManager, self).__init__()
+
+        self.observers = []
+
+
+    def new(self):
+        file = SourceFile()
+        self.append(file)
+        return file
+
+    def append(self, file: SourceFile):
+        if not file: return
+        super().append(file)
+
+        event       = CodeEvent()
+        event.etype = "appended_file"
+        event.file  = file
+
+        self.notify_observers(event)
+
+    def get_file(self, buffer: SourceBuffer):
+        if not buffer: return
+
+        for file in self:
+            if not buffer == file.buffer: continue
+            return file
+
+    def pop_file(self, buffer: SourceBuffer):
+        if not buffer: return
+
+        for i, file in enumerate(self):
+            if not buffer == file.buffer: continue
+
+            j               = self.next_index(i)
+            next_file       = self[j] if not j == -1 else None
+            popped_file     = self.pop(i)
+            event           = CodeEvent()
+            event.etype     = "popped_file"
+            event.file      = popped_file
+            event.next_file = next_file
+
+            self.notify_observers(event)
+
+            return popped_file, next_file
+
+    def swap_file(self, buffer: SourceBuffer):
+        if not buffer: return
+
+        for i, file in enumerate(self):
+            if not buffer == file.buffer: continue
+
+            j            = self.next_index(i)
+            next_file    = self[j]
+            swapped_file = self[j] if not j == -1 else None
+
+            return swapped_file, next_file
+
+    def remove_file(self, buffer: SourceBuffer):
+        if not buffer: return
+
+        for i, file in enumerate(self):
+            if not buffer == file.buffer: continue
+
+            j                  = self.next_index(i)
+            next_file          = self[j] if not j == -1 else None
+            event              = CodeEvent()
+            event.etype        = "removed_file"
+            event.ignore_focus = True
+            event.file         = file
+            event.next_file    = next_file
+            self.notify_observers(event)
+
+            self.remove(file)
+            file.close()
+
+            return next_file
+
+    def next_index(self, i):
+        size = len(self)
+
+        if (i == 0) & (size >= 2):
+            j = i + 1
+        elif (i == (size - 1)) & (size >= 2):
+            j = i - 1
+        elif (size - 1) == 0:
+            j = -1
+        else:
+            j = i + 1
+
+        return j

src/core/widgets/code/tab_widget.py

@@ -0,0 +1,61 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+
+# Application imports
+
+
+
+class TabWidget(Gtk.Box):
+    def __init__(self):
+        super(TabWidget, self).__init__()
+
+        self.file = None
+
+        self._setup_styling()
+        self._setup_signals()
+        self._subscribe_to_events()
+        self._load_widgets()
+
+        self.show_all()
+
+
+    def _setup_styling(self):
+        ctx = self.get_style_context()
+        ctx.add_class("tab-widget")
+
+    def _setup_signals(self):
+        ...
+
+    def _subscribe_to_events(self):
+        ...
+
+    def _load_widgets(self):
+        self._label_eve_box = Gtk.EventBox()
+        self.label          = Gtk.Label(label = "")
+        self.close_btn      = Gtk.Button(label = "X")
+
+        ctx = self.label.get_style_context()
+        ctx.add_class("tab-label")
+        ctx = self.close_btn.get_style_context()
+        ctx.add_class("tab-close-bttn")
+
+        self.label.set_hexpand(True)
+
+        self._label_eve_box.add(self.label)
+        self.add(self._label_eve_box)
+        self.add(self.close_btn)
+
+    def clear_signals_and_data(self):
+        del self.file
+        self._label_eve_box.disconnect(self._label_eve_box_id)
+        self.close_btn.disconnect(self.close_btn_id)
+
+    def set_select_signal(self, callback):
+        self._label_eve_box_id = self._label_eve_box.connect('button-release-event', callback, self.file)
+
+    def set_close_signal(self, callback):
+        self.close_btn_id = self.close_btn.connect('button-release-event', callback, self.file)

src/core/widgets/code/tabs_widget.py

@@ -0,0 +1,107 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+
+# Application imports
+from libs.dto.code_event import CodeEvent
+
+from .view import SourceView
+from .source_files_manager import SourceFilesManager
+from .source_file import SourceFile
+
+from .tab_widget import TabWidget
+
+
+
+class TabsWidget(Gtk.ScrolledWindow):
+    def __init__(self):
+        super(TabsWidget, self).__init__()
+
+        self.active_view: SourceView = None
+
+        self._setup_styling()
+        self._setup_signals()
+        self._subscribe_to_events()
+        self._load_widgets()
+
+
+    def _setup_styling(self):
+        self.set_overlay_scrolling(False)
+
+    def _setup_signals(self):
+        event_system.subscribe("register-view-to-tabs-widget", self._register_view_to_tabs_widget)
+
+    def _subscribe_to_events(self):
+        self.files_manager: SourceFilesManager = SourceFilesManager()
+        self.files_manager.add_observer(self)
+
+    def _load_widgets(self):
+        self.viewport = Gtk.Viewport()
+        self.tabs     = Gtk.ButtonBox()
+
+        self.tabs.set_layout(Gtk.ButtonBoxStyle.CENTER)
+
+        self.viewport.add(self.tabs)
+        self.add(self.viewport)
+
+    def _register_view_to_tabs_widget(self, view: SourceView):
+        view.add_observer(self)
+        view.set_files_manager(self.files_manager)
+
+    def notification(self, event: CodeEvent):
+        match event.etype:
+            case "focused_view_change":
+                logger.debug("SourceView.focused_view_change")
+                self.active_view = event.view
+            case "appended_file":
+                logger.debug("SourceFilesManager.appended")
+                self.add_tab(event)
+            case "popped_file":
+                logger.debug("SourceFilesManager.pop_file")
+            case "removed_file":
+                logger.debug("SourceFilesManager.remove_file")
+                self.remove_tab(event)
+            case "set_path":
+                logger.debug("SourceFile.set_path")
+                self.update_tab_label(event)
+            case _:
+                ...
+
+    def add_tab(self, event: CodeEvent):
+        tab      = TabWidget()
+        tab.file = event.file
+
+        tab.label.set_label(event.file.fname)
+        event.file.add_observer(self)
+
+        def select_signal(widget, eve, file):
+            self.active_view.command.exec_with_args("set_buffer", (self.active_view, file))
+
+        def close_signal(widget, eve, file):
+            self.files_manager.remove_file(file.buffer)
+
+        tab.set_select_signal(select_signal)
+        tab.set_close_signal(close_signal)
+
+        self.tabs.add(tab)
+
+    def remove_tab(self, event: CodeEvent):
+        for child in self.tabs.get_children():
+            if not child.file == event.file: continue
+
+            child.file.remove_observer(self)
+            self.tabs.remove(child)
+            child.clear_signals_and_data()
+            del child
+
+            return
+    
+    def update_tab_label(self, event: CodeEvent):
+        for tab in self.tabs.get_children():
+            if not tab.file == event.file: continue
+            tab.label.set_label(event.file.fname)
+
+            return

src/core/widgets/code/view.py

@@ -0,0 +1,130 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+gi.require_version('GtkSource', '4')
+
+from gi.repository import Gtk
+from gi.repository import GLib
+from gi.repository import GtkSource
+
+# Application imports
+from libs.mixins.observable_mixin import ObservableMixin
+
+from .mixins.source_view_events_mixin import SourceViewEventsMixin
+from .mixins.source_view_dnd_mixin import SourceViewDnDMixin
+
+from .source_files_manager import SourceFilesManager
+from .completion_manager import CompletionManager
+from .command_system import CommandSystem
+from .key_mapper import KeyMapper
+
+
+
+class SourceView(GtkSource.View, ObservableMixin, SourceViewEventsMixin, SourceViewDnDMixin):
+    def __init__(self):
+        super(SourceView, self).__init__()
+
+        self.observers            = []
+        self._cut_temp_timeout_id = None
+        self._cut_buffer          = ""
+
+        self.sibling_right = None
+        self.sibling_left  = None
+
+        self._setup_styles()
+        self._setup_signals()
+        self._subscribe_to_events()
+        self._load_widgets()
+
+
+    def _setup_styles(self):
+        self.zoom_level = settings_manager.settings.theming.default_zoom
+        ctx             = self.get_style_context()
+
+        ctx.add_class("source-view")
+        ctx.add_class(f"px{self.zoom_level}")
+
+        self.set_vexpand(True)
+        self.set_bottom_margin(800)
+
+        self.set_show_line_marks(True)
+        self.set_show_line_numbers(True)
+        self.set_smart_backspace(True)
+        self.set_indent_on_tab(True)
+        self.set_insert_spaces_instead_of_tabs(True)
+        self.set_auto_indent(True)
+        self.set_monospace(True)
+        self.set_tab_width(4)
+        self.set_show_right_margin(True)
+        self.set_right_margin_position(80)
+        self.set_background_pattern(0) # 0 = None, 1 = Grid
+        self.set_highlight_current_line(True)
+
+    def _setup_signals(self):
+        self.map_id =  self.connect("map", self._init_map)
+
+        self.connect("focus-in-event", self._focus_in_event)
+        self.connect("drag-data-received", self._on_drag_data_received)
+        self.connect("move-cursor", self._move_cursor)
+        self.connect("key-press-event", self._key_press_event)
+        self.connect("key-release-event", self._key_release_event)
+        self.connect("button-press-event", self._button_press_event)
+        self.connect("button-release-event", self._button_release_event)
+
+    def _subscribe_to_events(self):
+        ...
+
+    def _load_widgets(self):
+        self._set_up_dnd()
+        event_system.emit("register-view-to-tabs-widget", (self,))
+
+    def _init_map(self, view):
+        self.disconnect(self.map_id)
+        del self.map_id
+
+        GLib.idle_add(self._init_show)
+
+    def _init_show(self):
+        self.language_manager     = GtkSource.LanguageManager()
+        self.style_scheme_manager = GtkSource.StyleSchemeManager()
+
+        self.key_mapper           = KeyMapper()
+        self.command              = CommandSystem()
+        self.completion           = CompletionManager()
+
+        self.command.set_data(self)
+        self.completion.set_completer( self.get_completion() )
+
+        self.style_scheme_manager.append_search_path(
+            f"{settings_manager.path_manager.get_home_config_path()}/code_styles"
+        )
+        self.syntax_theme = self.style_scheme_manager.get_scheme(
+            f"{settings_manager.settings.theming.syntax_theme}"
+        )
+
+        self.command.exec("new_file")
+
+        if not self.sibling_right: return
+
+        self.grab_focus()
+        self.command.exec("load_start_files")
+
+        return False
+
+    def set_files_manager(self, files_manager: SourceFilesManager):
+        self.files_manager = files_manager
+        self.files_manager.add_observer(self)
+
+    def clear_temp_cut_buffer_delayed(self):
+        if self._cut_temp_timeout_id:
+            GLib.source_remove(self._cut_temp_timeout_id)
+
+    def set_temp_cut_buffer_delayed(self):
+        def clear_temp_buffer():
+            self._cut_buffer          = ""
+            self._cut_temp_timeout_id = None
+            return False
+
+        self._cut_temp_timeout_id = GLib.timeout_add(15000, clear_temp_buffer)

src/core/widgets/controls/__init__.py

@@ -0,0 +1,3 @@
+"""
+    Widgets.Controls Package
+"""

src/core/widgets/controls/open_files_button.py

@@ -0,0 +1,83 @@
+# Python imports
+from contextlib import suppress
+import os
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+from gi.repository import Gio
+
+# Application imports
+
+
+
+class OpenFilesButton(Gtk.Button):
+    """docstring for OpenFilesButton."""
+
+    def __init__(self):
+        super(OpenFilesButton, self).__init__()
+
+        self._setup_styling()
+        self._setup_signals()
+        self._subscribe_to_events()
+        self._load_widgets()
+
+
+    def _setup_styling(self):
+        self.set_label("Open File(s)...")
+        self.set_image( Gtk.Image.new_from_icon_name("gtk-open", 4) )
+        self.set_always_show_image(True)
+        self.set_image_position(1) # Left - 0, Right = 1
+        self.set_hexpand(False)
+
+    def _setup_signals(self):
+        self.connect("button-release-event", self._open_files)
+
+    def _subscribe_to_events(self):
+        event_system.subscribe("open-files", self._open_files)
+
+    def _load_widgets(self):
+        ...
+
+    def _open_files(self, widget = None, eve = None, gfile = None):
+        start_dir = None
+        _gfiles   = []
+
+        if gfile and gfile.query_exists():
+            start_dir = gfile.get_parent()
+
+        chooser = Gtk.FileChooserDialog("Open File(s)...", None,
+                                        Gtk.FileChooserAction.OPEN,
+                                        (
+                                            Gtk.STOCK_CANCEL,
+                                            Gtk.ResponseType.CANCEL,
+                                            Gtk.STOCK_OPEN,
+                                            Gtk.ResponseType.OK
+                                        )
+        )
+
+        chooser.set_select_multiple(True)
+
+        with suppress(Exception):
+            folder = widget.get_current_file().get_parent() if not start_dir else start_dir
+            chooser.set_current_folder( folder.get_path() )
+
+        response = chooser.run()
+        if not response == Gtk.ResponseType.OK:
+            chooser.destroy()
+            return _gfiles
+
+        filenames = chooser.get_filenames()
+        if not filenames:
+            chooser.destroy()
+            return _gfiles
+
+        for file in filenames:
+            path    = file if os.path.isabs(file) else os.path.abspath(file)
+            _gfiles.append( Gio.File.new_for_path(path) )
+
+        chooser.destroy()
+
+        logger.debug(_gfiles)
+        return _gfiles

src/core/widgets/controls/save_as_button.py

@@ -0,0 +1,72 @@
+# Python imports
+import os
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+from gi.repository import Gio
+
+# Application imports
+
+
+
+class SaveAsButton(Gtk.Button):
+    def __init__(self):
+        super(SaveAsButton, self).__init__()
+
+        self._setup_styling()
+        self._setup_signals()
+        self._subscribe_to_events()
+        self._load_widgets()
+
+
+    def _setup_styling(self):
+        self.set_label("Save As")
+        self.set_image( Gtk.Image.new_from_icon_name("gtk-save-as", 4) )
+        self.set_always_show_image(True)
+        self.set_image_position(1) # Left - 0, Right = 1
+        self.set_hexpand(False)
+
+    def _setup_signals(self):
+        self.connect("released", self._save_as)
+
+    def _subscribe_to_events(self):
+        event_system.subscribe("save-as", self._save_as)
+
+    def _load_widgets(self):
+        ...
+
+    def _save_as(self, widget = None, eve = None, gfile = None):
+        start_dir = None
+        _gfile    = None
+
+        chooser = Gtk.FileChooserDialog("Save File As...", None,
+                                        Gtk.FileChooserAction.SAVE,
+                                        (
+                                            Gtk.STOCK_CANCEL,
+                                            Gtk.ResponseType.CANCEL,
+                                            Gtk.STOCK_SAVE_AS,
+                                            Gtk.ResponseType.OK
+                                        )
+        )
+
+        # chooser.set_select_multiple(False)
+
+        response = chooser.run()
+        if not response == Gtk.ResponseType.OK:
+            chooser.destroy()
+            return _gfile
+
+        file = chooser.get_filename()
+        if not file:
+            chooser.destroy()
+            return _gfile
+
+        path   = file if os.path.isabs(file) else os.path.abspath(file)
+        _gfile = Gio.File.new_for_path(path) 
+
+        chooser.destroy()
+
+        logger.debug(f"File To Save As:  {_gfile}")
+        return _gfile

src/core/widgets/controls/transparency_scale.py

@@ -0,0 +1,48 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+
+# Application imports
+
+
+
+class TransparencyScale(Gtk.Scale):
+    def __init__(self):
+        super(TransparencyScale, self).__init__()
+
+
+        self._setup_styling()
+        self._setup_signals()
+        self._subscribe_to_events()
+        self._load_widgets()
+
+        self.show_all()
+
+
+    def _setup_styling(self):
+        self.set_digits(0)
+        self.set_value_pos(Gtk.PositionType.RIGHT)
+        self.add_mark(50.0, Gtk.PositionType.TOP, "50%")
+        self.set_hexpand(True)
+
+    def _setup_signals(self):
+        self.connect("value-changed", self._update_transparency)
+
+    def _subscribe_to_events(self):
+        ...
+
+    def _load_widgets(self):
+        adjust = self.get_adjustment()
+        adjust.set_lower(0)
+        adjust.set_upper(100)
+        adjust.set_value(settings_manager.settings.theming.transparency)
+        adjust.set_step_increment(1.0)
+
+    def _update_transparency(self, range):
+        event_system.emit("remove-transparency")
+        tp = int(range.get_value())
+        settings_manager.settings.theming.transparency = tp
+        event_system.emit("update-transparency")

src/core/widgets/save_file_dialog.py

@@ -0,0 +1,66 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+from gi.repository import Gio
+
+# Application imports
+
+
+
+class SaveFileDialog:
+    """docstring for SaveFileDialog."""
+
+    def __init__(self):
+        super(SaveFileDialog, self).__init__()
+
+        self._setup_styling()
+        self._setup_signals()
+        self._subscribe_to_events()
+        self._load_widgets()
+
+
+    def _setup_styling(self):
+        ...
+
+    def _setup_signals(self):
+        ...
+
+    def _subscribe_to_events(self):
+        event_system.subscribe("save-file-dialog", self.save_file_dialog)
+
+    def _load_widgets(self):
+        self._file_filter_text = Gtk.FileFilter()
+        self._file_filter_text.set_name("Code Files")
+
+        for p in settings_manager.settings.filters.code:
+            self._file_filter_text.add_pattern(p)
+
+        self._file_filter_all = Gtk.FileFilter()
+        self._file_filter_all.set_name("All Files")
+        self._file_filter_all.add_pattern("*.*")
+
+
+    def save_file_dialog(self, current_filename: str = "", current_file: Gio.File = None) -> str:
+        dlg = Gtk.FileChooserDialog(title = "Please choose a file...", parent = None, action = 1)
+
+        dlg.add_buttons("Cancel", Gtk.ResponseType.CANCEL, "Save", Gtk.ResponseType.OK)
+        dlg.set_do_overwrite_confirmation(True)
+        dlg.add_filter(self._file_filter_text)
+        dlg.add_filter(self._file_filter_all)
+
+        if current_filename == "":
+            import os
+            dlg.set_current_name("new.txt")
+            dlg.set_current_folder(os.path.expanduser('~'))
+        else:
+            dlg.set_current_folder(current_file.get_parent().get_uri())
+            dlg.set_current_name(current_filename)
+
+        response = dlg.run()
+        file     = dlg.get_filename() if response == Gtk.ResponseType.OK else ""
+        dlg.destroy()
+
+        return Gio.File.new_for_path(file) if not file == "" else None

src/core/widgets/separator_widget.py

@@ -0,0 +1,37 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+
+# Application imports
+
+
+
+class Separator(Gtk.Separator):
+    def __init__(self, id: str = None, ORIENTATION: int = 0):
+        super(Separator, self).__init__()
+
+        builder = settings_manager.get_builder()
+        if id:
+            builder.expose_object(id, self)
+
+        self.ORIENTATION = ORIENTATION
+        self._setup_styling()
+        self._setup_signals()
+        self._load_widgets()
+
+        self.show()
+
+
+    def _setup_styling(self):
+        # HORIZONTAL = 0, VERTICAL = 1
+        self.set_orientation(self.ORIENTATION)
+
+
+    def _setup_signals(self):
+        ...
+
+    def _load_widgets(self):
+        ...

src/core/widgets/vte_widget.py

@@ -0,0 +1,128 @@
+# Python imports
+import os
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+gi.require_version('Gdk', '3.0')
+gi.require_version('Vte', '2.91')
+from gi.repository import Gtk
+from gi.repository import Gdk
+from gi.repository import GLib
+from gi.repository import Vte
+
+# Application imports
+from libs.dto.event import Event
+
+
+
+class VteWidgetException(Exception):
+    ...
+
+
+
+class VteWidget(Vte.Terminal):
+    """
+        https://stackoverflow.com/questions/60454326/how-to-implement-a-linux-terminal-in-a-pygtk-app-like-vscode-and-pycharm-has
+    """
+
+    def __init__(self):
+        super(VteWidget, self).__init__()
+
+        self.cd_cmd_prefix = ("cd".encode(), "cd ".encode())
+        self.dont_process  = False
+
+        self._setup_styling()
+        self._setup_signals()
+        self._subscribe_to_events()
+        self._load_widgets()
+        self._do_session_spawn()
+
+        self.show()
+
+
+    def _setup_styling(self):
+        ctx = self.get_style_context()
+        ctx.add_class("vte-widget")
+
+        self.set_clear_background(False)
+        self.set_enable_sixel(True)
+        self.set_cursor_shape( Vte.CursorShape.IBEAM )
+
+    def _setup_signals(self):
+        self.connect("commit", self._commit)
+
+    def _subscribe_to_events(self):
+        event_system.subscribe("update_term_path", self.update_term_path)
+
+    def _load_widgets(self):
+        ...
+
+    def _do_session_spawn(self):
+        self.spawn_sync(
+            Vte.PtyFlags.DEFAULT,
+            settings_manager.path_manager.get_home_path(),
+            ["/bin/bash"],
+            [],
+            GLib.SpawnFlags.DEFAULT,
+            None, None,
+        )
+
+        # Note:  '-->:' is used as a delimiter to split on to get command actual.
+        #              !!!  DO NOT REMOVE UNLESS CODE UPDATED ACCORDINGLY  !!!
+        startup_cmds = [
+            "env -i /bin/bash --noprofile --norc\n",
+            "export TERM='xterm-256color'\n",
+            "export LC_ALL=C\n",
+            "export XDG_RUNTIME_DIR='/run/user/1000'\n",
+            "export DISPLAY=:0\n",
+            f"export XAUTHORITY='{settings_manager.path_manager.get_home_path()}/.Xauthority'\n",
+            f"\nexport HOME='{settings_manager.path_manager.get_home_path()}'\n",
+            "export PS1='\\h@\\u \\W -->: '\n",
+            "clear\n"
+        ]
+
+        for i in startup_cmds:
+            self.run_command(i)
+
+    def _commit(self, terminal, text, size):
+        if self.dont_process:
+            self.dont_process = False
+            return
+
+        if not text.encode() == "\r".encode(): return
+
+        text, attributes = self.get_text()
+
+        if not text: return
+
+        lines            = text.strip().splitlines()
+        command_ran      = None
+
+        try:
+            command_ran  = lines[-1].split("-->:")[1].strip()
+        except VteWidgetException as e:
+            logger.debug(e)
+            return
+
+        if not command_ran[0:3].encode() in self.cd_cmd_prefix:
+            return
+
+        target_path = command_ran.split( command_ran[0:3] )[1]
+        if target_path in (".", "./"): return
+
+        if not target_path:
+            target_path = settings_manager.get_home_path()
+
+        event = Event("pty_path_updated", "", target_path)
+        event_system.emit("handle_bridge_event", (event,))
+
+    def update_term_path(self, fpath: str):
+        self.dont_process = True
+
+        cmds = [f"cd '{fpath}'\n", "clear\n"]
+        for cmd in cmds:
+            self.run_command(cmd)
+
+    def run_command(self, cmd: str):
+        self.feed_child_binary(bytes(cmd, 'utf8'))

src/core/widgets/webkit/__init__.py

@@ -0,0 +1,3 @@
+"""
+    WebKit2 UI Package
+"""

src/core/widgets/webkit/webkit_ui.py

@@ -0,0 +1,69 @@
+# Python imports
+import json
+
+# Lib imports
+import gi
+gi.require_version('Gdk', '3.0')
+gi.require_version('WebKit2', '4.0')
+from gi.repository import Gdk
+from gi.repository import WebKit2
+
+# Application imports
+from libs.settings.other.webkit_ui_settings import WebkitUISettings
+from libs.dto.event import Event
+
+
+class WebkitUI(WebKit2.WebView):
+    def __init__(self):
+        super(WebkitUI, self).__init__()
+
+        self._setup_styling()
+        self._subscribe_to_events()
+        self._load_view()
+        self._setup_content_manager()
+
+        self.show_all()
+
+
+    def _setup_styling(self):
+        self.set_vexpand(True)
+        self.set_hexpand(True)
+        self.set_background_color( Gdk.RGBA(0, 0, 0, 0.0) )
+
+    def _subscribe_to_events(self):
+        event_system.subscribe(f"ui-message", self.ui_message)
+
+    def _load_settings(self):
+        self.set_settings( WebkitUISettings() )
+
+    def _load_view(self):
+        path = settings_manager.get_context_path()
+        data = None
+
+        with open(f"{path}/index.html", "r") as f:
+            data = f.read()
+
+        self.load_html(content = data, base_uri = f"file://{path}/")
+
+    def _setup_content_manager(self):
+        content_manager = self.get_user_content_manager()
+        content_manager.connect("script-message-received", self._process_js_message)
+        content_manager.register_script_message_handler("backend")
+
+    def _process_js_message(self, user_content_manager, js_result):
+        js_value = js_result.get_js_value()
+        message  = js_value.to_string()
+
+        try:
+            event = Event( **json.loads(message) )
+            event_system.emit("handle-bridge-event", (event,))
+        except Exception as e:
+            logger.info(e)
+
+    def ui_message(self, message, mtype):
+        command = f"displayMessage('{message}', '{mtype}', '3')"
+        self.run_javascript(command, None, None)
+
+    def run_javascript(self, script, cancellable, callback):
+        logger.debug(script)
+        super().run_javascript(script, cancellable, callback)

src/core/window.py

@@ -0,0 +1,200 @@
+# Python imports
+import signal
+
+# Lib imports
+import gi
+import cairo
+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 GLib
+
+try:
+    from gi.repository import GdkX11
+except ImportError:
+    logger.debug("Could not import X11 gir module...")
+
+# Application imports
+from libs.status_icon import StatusIcon
+from core.controllers.base_controller import BaseController
+
+
+
+class ControllerStartExceptiom(Exception):
+    ...
+
+
+
+class Window(Gtk.ApplicationWindow):
+    """ docstring for Window. """
+
+    def __init__(self):
+        super(Window, self).__init__()
+        settings_manager.set_main_window(self)
+
+        self._status_icon = None
+        self._controller  = None
+
+        self.guake_key    = settings_manager.get_guake_key()
+        self.hidefunc     = None
+
+        self._setup_styling()
+        self._setup_signals()
+        self._subscribe_to_events()
+        self._load_widgets()
+
+        self._set_window_data()
+        self._set_size_constraints()
+        self._setup_window_toggle_event()
+
+        self.show()
+
+
+    def _setup_styling(self):
+        self.set_title(f"{APP_NAME}")
+        self.set_icon_from_file( settings_manager.path_manager.get_window_icon() )
+        self.set_decorated(True)
+        self.set_skip_pager_hint(False)
+        self.set_skip_taskbar_hint(False)
+        self.set_gravity(5)  # 5 = CENTER
+        self.set_position(1) # 1 = CENTER, 4 = CENTER_ALWAYS
+
+        ctx = self.get_style_context()
+        ctx.add_class("main-window")
+        ctx.add_class(f"mw_transparency_{settings_manager.settings.theming.transparency}")
+
+    def _setup_signals(self):
+        self.connect("focus-in-event", self._on_focus_in_event)
+        self.connect("focus-out-event", self._on_focus_out_event)
+
+        self.connect("delete-event", self.stop)
+        GLib.unix_signal_add(GLib.PRIORITY_DEFAULT, signal.SIGINT, self.stop)
+
+    def _subscribe_to_events(self):
+        event_system.subscribe("tear-down", self.stop)
+        event_system.subscribe("load-interactive-debug", self._load_interactive_debug)
+
+    def _load_widgets(self):
+        if settings_manager.is_debug():
+            self.set_interactive_debugging(True)
+
+        self._controller  = BaseController()
+        self._status_icon = StatusIcon()
+        if not self._controller:
+            raise ControllerStartException("BaseController exited and doesn't exist...")
+
+        self.add( self._controller.get_base_container() )
+
+    def _display_manager(self):
+        """ Try to detect which display manager we are running under... """
+
+        import os
+        if os.environ.get('WAYLAND_DISPLAY'):
+            return 'WAYLAND'
+
+        return 'X11'
+
+    def _set_size_constraints(self):
+        _window_x   = settings_manager.settings.config.main_window_x
+        _window_y   = settings_manager.settings.config.main_window_y
+        _min_width  = settings_manager.settings.config.main_window_min_width
+        _min_height = settings_manager.settings.config.main_window_min_height
+        _width      = settings_manager.settings.config.main_window_width
+        _height     = settings_manager.settings.config.main_window_height
+
+        self.move(_window_x, _window_y - 28)
+        self.set_size_request(_min_width, _min_height)
+        self.set_default_size(_width, _height)
+
+    def _set_window_data(self) -> None:
+        screen = self.get_screen()
+        visual = screen.get_rgba_visual()
+
+        if visual and screen.is_composited() and settings_manager.settings.config.make_transparent == 0:
+            self.set_visual(visual)
+            self.set_app_paintable(True)
+            # self.connect("draw", self._area_draw)
+
+        # bind css file
+        cssProvider  = Gtk.CssProvider()
+        styleContext = Gtk.StyleContext()
+        cssProvider.load_from_path( settings_manager.path_manager.get_css_file() )
+        styleContext.add_provider_for_screen(screen, cssProvider, Gtk.STYLE_PROVIDER_PRIORITY_USER)
+
+    def _area_draw(self, widget: Gtk.ApplicationWindow, cr: cairo.Context) -> None:
+        cr.set_source_rgba( *settings_manager.get_paint_bg_color() )
+        cr.set_operator(cairo.OPERATOR_SOURCE)
+        cr.paint()
+        cr.set_operator(cairo.OPERATOR_OVER)
+
+
+    def _on_focus_in_event(self, widget, event):
+        event_system.emit("pause-dnd-signals")
+
+    def _on_focus_out_event(self, widget, event):
+        event_system.emit("listen-dnd-signals")
+
+    def _load_interactive_debug(self):
+        self.set_interactive_debugging(True)
+
+    def _setup_window_toggle_event(self) -> None:
+        hidebound = None
+        if not self.guake_key or not self._display_manager() == 'X11':
+            return
+
+        try:
+            import gi
+            gi.require_version('Keybinder', '3.0')
+            from gi.repository import Keybinder
+
+            Keybinder.init()
+            Keybinder.set_use_cooked_accelerators(False)
+        except (ImportError, ValueError) as e:
+            logger.warning(e)
+            logger.warning('Unable to load Keybinder module. This means the hide_window shortcut will be unavailable')
+
+            return
+
+        # Attempt to grab a global hotkey for hiding the window.
+        # If we fail, we'll never hide the window, iconifying instead.
+        try:
+            hidebound = Keybinder.bind(self.guake_key, self._on_toggle_window, self)
+        except (KeyError, NameError) as e:
+            logger.warning(e)
+
+        if not hidebound:
+            logger.debug('Unable to bind hide_window key, another instance/window has it.')
+            self.hidefunc = self.iconify
+        else:
+            self.hidefunc = self.hide
+
+    def _on_toggle_window(self, data, window):
+        """Handle a request to hide/show the window"""
+        if not window.get_property('visible'):
+            window.show()
+            # Note: Needed to properly grab widget focus when set_skip_taskbar_hint set to True
+            window.present()
+            # NOTE:  Need here to enforce sticky after hide and reshow.
+            window.stick()
+        else:
+            self.hidefunc()
+
+
+    def start(self):
+        Gtk.main()
+
+    def stop(self, widget = None, eve = None):
+        event_system.emit("shutting-down")
+
+        size = self.get_size()
+        pos  = self.get_position()
+
+        settings_manager.set_main_window_width(size.width)
+        settings_manager.set_main_window_height(size.height)
+        settings_manager.set_main_window_x(pos.root_x)
+        settings_manager.set_main_window_y(pos.root_y)
+        settings_manager.save_settings()
+
+        settings_manager.clear_pid()
+        Gtk.main_quit()

src/libs/__init__.py

@@ -0,0 +1,3 @@
+"""
+    Libs Package
+"""

src/libs/db/__init__.py

@@ -0,0 +1,6 @@
+"""
+    DB Package
+"""
+
+from .models import User
+from .db import DB

src/libs/db/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/db/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/debugging.py

@@ -0,0 +1,60 @@
+# 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 Exception:
+        ...
+
+    try:
+        from rfoo.utils import rconsole
+        logger.debug("\n\nStarting embedded rconsole debugger...\n\n")
+        rconsole.spawn_server()
+        return
+    except Exception as ex:
+        ...
+
+    try:
+        from pudb import set_trace
+        logger.debug("\n\nStarting PuDB debugger...\n\n")
+        set_trace(paused = True)
+        return
+    except Exception as ex:
+        ...
+
+    try:
+        import ipdb
+        logger.debug("\n\nStarting IPDB debugger...\n\n")
+        ipdb.set_trace()
+        return
+    except Exception as ex:
+        ...
+
+    try:
+        import pdb
+        logger.debug("\n\nStarting embedded PDB debugger...\n\n")
+        pdb.Pdb(skip=['gi.*']).set_trace()
+        return
+    except Exception as ex:
+        ...
+
+    try:
+        import code
+        code.interact()
+    except Exception as ex:
+        logger.debug(f"{ex}, returning to normal program flow...")

src/libs/dto/__init__.py

@@ -0,0 +1,5 @@
+"""
+    Dasta Class Package
+"""
+
+from .event import Event

src/libs/dto/code_event.py

@@ -0,0 +1,18 @@
+# Python imports
+from dataclasses import dataclass, field
+
+# Lib imports
+
+# Application imports
+from .observable_event import ObservableEvent
+
+
+
+@dataclass
+class CodeEvent(ObservableEvent):
+    etype: str         = ""
+    ignore_focus: bool = False
+    view: any          = None
+    file: any          = None
+    next_file: any     = None
+    buffer: any        = None

src/libs/dto/event.py

@@ -0,0 +1,14 @@
+# Python imports
+from dataclasses import dataclass, field
+
+# Lib imports
+
+# Application imports
+
+
+
+@dataclass
+class Event:
+    topic: str
+    content: str
+    raw_content: str

src/libs/dto/observable_event.py

@@ -0,0 +1,10 @@
+# Python imports
+
+# Lib imports
+
+# Application imports
+
+
+
+class ObservableEvent:
+    ...

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 +1,148 @@
+# Python imports
+import os
+import threading
+import time
+from contextlib import suppress
+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        = 0 # Use 0 to let Listener chose port
+        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 settings_manager.is_dirty_start():
+                with suppress(FileNotFoundError, PermissionError):
+                    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 self.is_ipc_alive:
+            try:
+                conn       = listener.accept()
+                start_time = time.perf_counter()
+                self._handle_ipc_message(conn, start_time)
+            except EOFError as e:
+                logger.debug( repr(e) )
+            except (OSError, ConnectionError, BrokenPipeError) as e:
+                logger.debug( f"IPC connection error: {e}" )
+            except Exception as e:
+                logger.debug( f"Unexpected IPC error: {e}" )
+            finally:
+                conn.close()
+
+        listener.close()
+
+    def _handle_ipc_message(self, conn, start_time) -> None:
+        while self.is_ipc_alive:
+            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)
+
+                conn.close()
+                break
+
+            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', 'Empty Data...']:
+                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 (OSError, ConnectionError, BrokenPipeError) as e:
+            logger.error( f"IPC connection error: {e}" )
+        except Exception as e:
+            logger.error( f"Unexpected IPC error: {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.")
+                with suppress(FileNotFoundError, PermissionError):
+                    os.unlink(self._ipc_address)
+        except (OSError, ConnectionError, BrokenPipeError) as e:
+            logger.error( f"IPC connection error: {e}" )
+        except Exception as e:
+            logger.error( f"Unexpected IPC error: {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